/* roulang page: index */
:root {
            --pa-primary: #1F3B34;
            --pa-primary-dark: #162C26;
            --pa-primary-light: rgba(31, 59, 52, 0.10);
            --pa-accent: #C88242;
            --pa-accent-light: rgba(200, 130, 66, 0.12);
            --pa-bg: #F7F3EC;
            --pa-card-bg: #FFFDF9;
            --pa-text: #2A2A28;
            --pa-text-muted: #6E716E;
            --pa-text-light: #9BA09B;
            --pa-border: #E2DCD2;
            --pa-success: #5F7F5A;
            --pa-success-light: rgba(95, 127, 90, 0.15);
            --pa-radius-sm: 8px;
            --pa-radius-md: 10px;
            --pa-radius-lg: 12px;
            --pa-radius-pill: 30px;
            --pa-shadow-sm: 0 1px 3px rgba(31, 59, 52, 0.06);
            --pa-shadow-md: 0 4px 12px rgba(31, 59, 52, 0.10);
            --pa-shadow-lg: 0 8px 24px rgba(31, 59, 52, 0.12);
            --pa-transition: 220ms ease-out;
            --pa-font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Inter', 'SF Pro Display', system-ui, sans-serif;
            --pa-font-serif: 'Kaiti SC', 'STKaiti', 'Noto Serif SC', serif;
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--pa-font-sans);
            background-color: var(--pa-bg);
            color: var(--pa-text);
            font-size: 16px;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            color: var(--pa-primary);
            text-decoration: none;
            transition: all var(--pa-transition);
        }

        a:hover {
            color: var(--pa-accent);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        a:focus-visible {
            outline: 2px solid rgba(31, 59, 52, 0.35);
            outline-offset: 2px;
        }

        .container {
            max-width: 1140px;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* 导航 */
        .pa-header {
            position: sticky;
            top: 0;
            z-index: 1030;
            background: rgba(247, 243, 236, 0.92);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--pa-border);
            padding: 12px 0;
        }

        .pa-header .navbar {
            padding: 0;
        }

        .pa-nav-logo {
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--pa-primary);
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }

        .pa-nav-logo:hover {
            color: var(--pa-primary-dark);
        }

        .pa-nav-logo .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            background: var(--pa-primary);
            color: var(--pa-bg);
            border-radius: 8px;
            font-size: 0.85rem;
            font-weight: 700;
            letter-spacing: 1px;
        }

        .pa-nav-logo .logo-sub {
            font-size: 0.65rem;
            font-weight: 600;
            color: var(--pa-text-muted);
            letter-spacing: 2px;
            margin-left: 4px;
        }

        .pa-nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
        }

        .pa-nav-links .nav-link {
            color: var(--pa-text);
            font-size: 0.875rem;
            font-weight: 500;
            padding: 8px 14px;
            border-radius: 6px;
            transition: all var(--pa-transition);
            position: relative;
            white-space: nowrap;
        }

        .pa-nav-links .nav-link::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 14px;
            right: 100%;
            height: 2px;
            background: var(--pa-accent);
            border-radius: 2px;
            transition: right var(--pa-transition);
        }

        .pa-nav-links .nav-link:hover::after,
        .pa-nav-links .nav-link.active::after {
            right: 14px;
        }

        .pa-nav-links .nav-link:hover {
            color: var(--pa-primary);
        }

        .pa-nav-links .nav-link.active {
            color: var(--pa-primary);
            font-weight: 600;
        }

        .pa-nav-chips {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .pa-chip {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 5px 14px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            white-space: nowrap;
            transition: all var(--pa-transition);
            border: 1px solid transparent;
        }

        .pa-chip-preheat {
            border-color: var(--pa-accent);
            background: var(--pa-accent-light);
            color: var(--pa-accent);
        }

        .pa-chip-preheat:hover {
            border-color: var(--pa-accent);
            background: rgba(200, 130, 66, 0.22);
        }

        .pa-chip-live {
            border-color: var(--pa-success);
            background: var(--pa-success);
            color: #F7F3EC;
        }

        .pa-chip-live:hover {
            background: #4E6A49;
            color: #F7F3EC;
        }

        .pa-chip-replay {
            border-color: #6E716E;
            background: transparent;
            color: #6E716E;
        }

        .pa-chip-replay:hover {
            background: rgba(110, 113, 110, 0.10);
            border-color: #6E716E;
            color: #6E716E;
        }

        .navbar-toggler {
            border: 1px solid var(--pa-border);
            border-radius: 8px;
            padding: 6px 10px;
            background: var(--pa-card-bg);
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(31, 59, 52, 0.15);
        }

        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%231F3B34' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        /* Hero */
        .pa-hero {
            position: relative;
            min-height: 62vh;
            display: flex;
            align-items: center;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            padding: 72px 0 64px;
            overflow: hidden;
            border-bottom: 1px solid var(--pa-border);
        }

        .pa-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(31, 59, 52, 0.82);
            z-index: 1;
        }

        .pa-hero::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--pa-accent);
            z-index: 2;
        }

        .pa-hero-content {
            position: relative;
            z-index: 3;
            max-width: 860px;
        }

        .pa-hero-label {
            display: inline-block;
            background: var(--pa-accent);
            color: #F7F3EC;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 2px;
            padding: 6px 16px;
            border-radius: 20px;
            margin-bottom: 20px;
        }

        .pa-hero h1 {
            color: #F7F3EC;
            font-size: clamp(2rem, 4.5vw, 3.25rem);
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -0.5px;
            margin-bottom: 20px;
        }

        .pa-hero-sub {
            color: rgba(247, 243, 236, 0.85);
            font-size: 1.125rem;
            line-height: 1.7;
            max-width: 680px;
            margin-bottom: 28px;
        }

        .pa-hero-cta {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 32px;
        }

        .pa-hero-metrics {
            display: flex;
            align-items: center;
            gap: 24px;
            flex-wrap: wrap;
            border-top: 1px solid rgba(247, 243, 236, 0.25);
            padding-top: 24px;
        }

        .pa-hero-metric {
            display: flex;
            align-items: baseline;
            gap: 6px;
        }

        .pa-hero-metric .metric-num {
            font-size: 1.75rem;
            font-weight: 800;
            color: #F7F3EC;
            line-height: 1;
        }

        .pa-hero-metric .metric-unit {
            font-size: 0.9rem;
            color: rgba(247, 243, 236, 0.75);
            font-weight: 500;
        }

        .pa-hero-metric .metric-label {
            font-size: 0.8rem;
            color: rgba(247, 243, 236, 0.65);
            letter-spacing: 1px;
        }

        /* 通用板块 */
        .pa-section {
            padding: 72px 0;
            border-bottom: 1px solid var(--pa-border);
        }

        .pa-section-alt {
            background: rgba(226, 220, 210, 0.28);
        }

        .pa-section-title {
            font-size: clamp(1.5rem, 2.5vw, 2rem);
            font-weight: 800;
            color: var(--pa-primary);
            margin-bottom: 12px;
            letter-spacing: -0.3px;
            line-height: 1.35;
        }

        .pa-section-desc {
            color: var(--pa-text-muted);
            font-size: 0.98rem;
            max-width: 680px;
            margin-bottom: 40px;
            line-height: 1.7;
        }

        .pa-section-header {
            margin-bottom: 40px;
        }

        .pa-section-header .pa-section-label {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 2px;
            color: var(--pa-accent);
            text-transform: uppercase;
            margin-bottom: 8px;
        }

        /* 按钮 */
        .pa-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--pa-radius-pill);
            font-size: 0.95rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            cursor: pointer;
            transition: all var(--pa-transition);
            border: none;
            text-align: center;
            line-height: 1.4;
            text-decoration: none;
        }

        .pa-btn-primary {
            background: var(--pa-primary);
            color: #F7F3EC;
        }

        .pa-btn-primary:hover {
            background: var(--pa-primary-dark);
            color: #F7F3EC;
            box-shadow: var(--pa-shadow-md);
        }

        .pa-btn-primary:active {
            background: var(--pa-primary-dark);
            transform: translateY(1px);
            box-shadow: var(--pa-shadow-sm);
        }

        .pa-btn-outline {
            background: transparent;
            color: var(--pa-primary);
            border: 1px solid var(--pa-primary);
        }

        .pa-btn-outline:hover {
            background: var(--pa-primary-light);
            color: var(--pa-primary-dark);
            border-color: var(--pa-primary);
        }

        .pa-btn-outline-light {
            background: transparent;
            color: #F7F3EC;
            border: 1px solid rgba(247, 243, 236, 0.5);
        }

        .pa-btn-outline-light:hover {
            background: rgba(247, 243, 236, 0.12);
            color: #F7F3EC;
            border-color: rgba(247, 243, 236, 0.8);
        }

        .pa-btn-accent {
            background: var(--pa-accent);
            color: #F7F3EC;
        }

        .pa-btn-accent:hover {
            background: #B57438;
            color: #F7F3EC;
            box-shadow: var(--pa-shadow-md);
        }

        .pa-link-arrow {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--pa-primary);
            transition: all var(--pa-transition);
            text-decoration: none;
        }

        .pa-link-arrow i {
            font-size: 0.75rem;
            transition: transform var(--pa-transition);
        }

        .pa-link-arrow:hover {
            color: var(--pa-accent);
        }

        .pa-link-arrow:hover i {
            transform: translateX(4px);
        }

        /* 关于/KPI */
        .pa-about-wrapper {
            display: grid;
            grid-template-columns: 1.1fr 1fr;
            gap: 48px;
            align-items: start;
        }

        .pa-about-text {
            background: var(--pa-card-bg);
            border: 1px solid var(--pa-border);
            border-left: 3px solid var(--pa-primary);
            border-radius: var(--pa-radius-md);
            padding: 28px 32px;
            box-shadow: var(--pa-shadow-sm);
        }

        .pa-about-text p {
            color: var(--pa-text);
            font-size: 0.95rem;
            line-height: 1.8;
            margin-bottom: 12px;
        }

        .pa-about-text p:last-child {
            margin-bottom: 0;
        }

        .pa-about-text .pa-about-quote {
            font-family: var(--pa-font-serif);
            color: var(--pa-primary);
            font-size: 1.05rem;
            font-style: italic;
            border-left: 2px solid var(--pa-accent);
            padding-left: 16px;
            margin: 16px 0;
        }

        .pa-kpi-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            align-content: start;
        }

        .pa-kpi-card {
            background: var(--pa-card-bg);
            border: 1px solid var(--pa-border);
            border-radius: var(--pa-radius-md);
            padding: 24px 20px;
            text-align: center;
            box-shadow: var(--pa-shadow-sm);
            transition: all var(--pa-transition);
        }

        .pa-kpi-card:hover {
            box-shadow: var(--pa-shadow-md);
            transform: translateY(-3px);
        }

        .pa-kpi-card .kpi-num {
            font-size: 2.25rem;
            font-weight: 800;
            color: var(--pa-primary);
            line-height: 1.1;
            letter-spacing: -0.5px;
        }

        .pa-kpi-card .kpi-unit {
            font-size: 1rem;
            font-weight: 600;
            color: var(--pa-text-muted);
            margin-left: 2px;
        }

        .pa-kpi-card .kpi-label {
            font-size: 0.8rem;
            color: var(--pa-text-muted);
            letter-spacing: 1px;
            margin-top: 8px;
            font-weight: 500;
        }

        /* 资讯板块 */
        .pa-news-wrapper {
            display: grid;
            grid-template-columns: 1.4fr 1fr;
            gap: 32px;
            align-items: start;
        }

        .pa-news-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }

        .pa-news-item {
            padding: 18px 0;
            border-bottom: 1px solid var(--pa-border);
            transition: all var(--pa-transition);
            display: block;
            text-decoration: none;
            color: var(--pa-text);
        }

        .pa-news-item:hover {
            padding-left: 8px;
            background: rgba(31, 59, 52, 0.03);
            color: var(--pa-text);
        }

        .pa-news-item .news-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.78rem;
            color: var(--pa-text-muted);
            margin-bottom: 6px;
        }

        .pa-news-item .news-meta .news-date {
            font-weight: 500;
        }

        .pa-news-item .news-meta .news-tag {
            background: var(--pa-primary-light);
            color: var(--pa-primary);
            padding: 2px 10px;
            border-radius: 12px;
            font-size: 0.72rem;
            font-weight: 600;
        }

        .pa-news-item .news-title {
            font-size: 1rem;
            font-weight: 700;
            color: var(--pa-primary);
            margin-bottom: 8px;
            line-height: 1.45;
            transition: color var(--pa-transition);
        }

        .pa-news-item:hover .news-title {
            color: var(--pa-accent);
        }

        .pa-news-item .news-summary {
            font-size: 0.88rem;
            color: var(--pa-text-muted);
            line-height: 1.7;
            margin-bottom: 0;
        }

        .pa-news-sidebar {
            background: var(--pa-card-bg);
            border: 1px solid var(--pa-border);
            border-radius: var(--pa-radius-md);
            padding: 24px;
            box-shadow: var(--pa-shadow-sm);
            position: sticky;
            top: 80px;
        }

        .pa-news-sidebar h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--pa-primary);
            margin-bottom: 16px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--pa-accent);
            display: inline-block;
        }

        .pa-rank-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px 0;
            border-bottom: 1px solid var(--pa-border);
        }

        .pa-rank-item:last-child {
            border-bottom: none;
        }

        .pa-rank-item .rank-num {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--pa-primary);
            color: #F7F3EC;
            font-size: 0.75rem;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .pa-rank-item .rank-num.hot {
            background: var(--pa-accent);
        }

        .pa-rank-item .rank-info {
            flex: 1;
            min-width: 0;
        }

        .pa-rank-item .rank-info .rank-title {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--pa-text);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .pa-rank-item .rank-info .rank-meta {
            font-size: 0.75rem;
            color: var(--pa-text-muted);
        }

        /* 服务卡片 */
        .pa-service-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .pa-service-card {
            background: var(--pa-card-bg);
            border: 1px solid var(--pa-border);
            border-radius: var(--pa-radius-md);
            overflow: hidden;
            box-shadow: var(--pa-shadow-sm);
            transition: all var(--pa-transition);
        }

        .pa-service-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--pa-shadow-lg);
            border-color: var(--pa-primary);
        }

        .pa-service-card .card-cover {
            height: 170px;
            overflow: hidden;
            position: relative;
        }

        .pa-service-card .card-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 300ms ease-out;
        }

        .pa-service-card:hover .card-cover img {
            transform: scale(1.04);
        }

        .pa-service-card .card-body {
            padding: 20px 22px 22px;
        }

        .pa-service-card .card-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--pa-primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .pa-service-card .card-desc {
            font-size: 0.85rem;
            color: var(--pa-text-muted);
            line-height: 1.65;
            margin-bottom: 0;
        }

        /* 案例卡片 */
        .pa-case-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
        }

        .pa-case-card {
            background: var(--pa-card-bg);
            border: 1px solid var(--pa-border);
            border-radius: var(--pa-radius-md);
            overflow: hidden;
            box-shadow: var(--pa-shadow-sm);
            transition: all var(--pa-transition);
        }

        .pa-case-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--pa-shadow-lg);
        }

        .pa-case-card .case-cover {
            height: 220px;
            overflow: hidden;
        }

        .pa-case-card .case-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 300ms ease-out;
        }

        .pa-case-card:hover .case-cover img {
            transform: scale(1.03);
        }

        .pa-case-card .case-body {
            padding: 24px 24px 20px;
        }

        .pa-case-card .case-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--pa-primary);
            margin-bottom: 8px;
        }

        .pa-case-card .case-desc {
            font-size: 0.88rem;
            color: var(--pa-text-muted);
            line-height: 1.7;
            margin-bottom: 12px;
        }

        .pa-case-card .case-result {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .pa-case-card .case-result .pa-badge {
            background: var(--pa-success-light);
            color: var(--pa-success);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 14px;
        }

        /* 方案流程 */
        .pa-steps {
            display: flex;
            flex-direction: column;
            gap: 0;
            position: relative;
            padding-left: 0;
        }

        .pa-step {
            display: flex;
            gap: 24px;
            position: relative;
            padding-bottom: 32px;
        }

        .pa-step:last-child {
            padding-bottom: 0;
        }

        .pa-step:not(:last-child)::before {
            content: '';
            position: absolute;
            left: 27px;
            top: 56px;
            bottom: 0;
            width: 1px;
            background: var(--pa-border);
        }

        .pa-step-num {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--pa-primary);
            color: #F7F3EC;
            font-size: 1.25rem;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            position: relative;
            z-index: 2;
            letter-spacing: -0.5px;
        }

        .pa-step-content {
            flex: 1;
            padding-top: 4px;
        }

        .pa-step-content .step-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--pa-primary);
            margin-bottom: 6px;
        }

        .pa-step-content .step-desc {
            font-size: 0.9rem;
            color: var(--pa-text-muted);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* FAQ */
        .pa-faq-wrapper {
            display: grid;
            grid-template-columns: 1.5fr 1fr;
            gap: 40px;
            align-items: start;
        }

        .pa-accordion .accordion-item {
            background: transparent;
            border: none;
            border-bottom: 1px solid var(--pa-border);
            border-radius: 0;
        }

        .pa-accordion .accordion-item:first-child {
            border-top: 1px solid var(--pa-border);
        }

        .pa-accordion .accordion-button {
            background: transparent;
            color: var(--pa-text);
            font-size: 0.95rem;
            font-weight: 600;
            padding: 16px 0;
            box-shadow: none;
            border: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            transition: all var(--pa-transition);
        }

        .pa-accordion .accordion-button:not(.collapsed) {
            background: transparent;
            color: var(--pa-primary);
            box-shadow: none;
        }

        .pa-accordion .accordion-button:focus {
            box-shadow: none;
            outline: none;
            border-color: transparent;
        }

        .pa-accordion .accordion-button::after {
            content: '+';
            background-image: none;
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.25rem;
            font-weight: 300;
            color: var(--pa-primary);
            transition: transform var(--pa-transition);
            flex-shrink: 0;
        }

        .pa-accordion .accordion-button:not(.collapsed)::after {
            transform: rotate(45deg);
            background-image: none;
        }

        .pa-accordion .accordion-body {
            padding: 0 0 16px;
            font-size: 0.88rem;
            color: var(--pa-text-muted);
            line-height: 1.75;
        }

        .pa-faq-sidebar {
            background: var(--pa-card-bg);
            border: 1px solid var(--pa-border);
            border-left: 3px solid var(--pa-primary);
            border-radius: var(--pa-radius-md);
            padding: 24px;
            box-shadow: var(--pa-shadow-sm);
            position: sticky;
            top: 80px;
        }

        .pa-faq-sidebar h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--pa-primary);
            margin-bottom: 12px;
        }

        .pa-faq-sidebar p {
            font-size: 0.88rem;
            color: var(--pa-text-muted);
            margin-bottom: 16px;
        }

        /* 用户评价 */
        .pa-review-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .pa-review-card {
            background: var(--pa-card-bg);
            border: 1px solid var(--pa-border);
            border-radius: var(--pa-radius-md);
            padding: 20px;
            box-shadow: var(--pa-shadow-sm);
            transition: all var(--pa-transition);
        }

        .pa-review-card:hover {
            box-shadow: var(--pa-shadow-md);
            transform: translateY(-2px);
        }

        .pa-review-card .review-stars {
            color: var(--pa-accent);
            font-size: 0.8rem;
            margin-bottom: 8px;
            letter-spacing: 2px;
        }

        .pa-review-card .review-text {
            font-size: 0.85rem;
            color: var(--pa-text);
            line-height: 1.7;
            margin-bottom: 12px;
        }

        .pa-review-card .review-author {
            font-size: 0.78rem;
            color: var(--pa-text-muted);
            font-weight: 600;
        }

        /* 能力标签 */
        .pa-partner-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }

        .pa-partner-item {
            background: var(--pa-card-bg);
            border: 1px solid var(--pa-border);
            border-radius: var(--pa-radius-sm);
            padding: 16px 18px;
            display: flex;
            align-items: flex-start;
            gap: 12px;
            transition: all var(--pa-transition);
            box-shadow: var(--pa-shadow-sm);
        }

        .pa-partner-item:hover {
            border-color: var(--pa-accent);
            box-shadow: var(--pa-shadow-md);
        }

        .pa-partner-item .partner-icon {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: var(--pa-primary-light);
            color: var(--pa-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            flex-shrink: 0;
        }

        .pa-partner-item .partner-info .partner-name {
            font-size: 0.88rem;
            font-weight: 700;
            color: var(--pa-primary);
            margin-bottom: 2px;
        }

        .pa-partner-item .partner-info .partner-desc {
            font-size: 0.78rem;
            color: var(--pa-text-muted);
            line-height: 1.55;
            margin-bottom: 0;
        }

        /* 联系表单 */
        .pa-contact-wrapper {
            display: grid;
            grid-template-columns: 1.3fr 1fr;
            gap: 40px;
            align-items: start;
        }

        .pa-contact-form {
            background: var(--pa-card-bg);
            border: 1px solid var(--pa-border);
            border-radius: var(--pa-radius-md);
            padding: 32px;
            box-shadow: var(--pa-shadow-sm);
        }

        .pa-contact-form .form-label {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--pa-text);
            margin-bottom: 6px;
        }

        .pa-contact-form .form-control {
            background: #fff;
            border: 1px solid var(--pa-border);
            border-radius: 6px;
            padding: 10px 14px;
            font-size: 0.9rem;
            color: var(--pa-text);
            transition: all var(--pa-transition);
        }

        .pa-contact-form .form-control:focus {
            border-color: var(--pa-primary);
            box-shadow: 0 0 0 3px rgba(31, 59, 52, 0.12);
            outline: none;
        }

        .pa-contact-form textarea.form-control {
            min-height: 100px;
            resize: vertical;
        }

        .pa-contact-info {
            background: var(--pa-card-bg);
            border: 1px solid var(--pa-border);
            border-left: 3px solid var(--pa-primary);
            border-radius: var(--pa-radius-md);
            padding: 24px;
            box-shadow: var(--pa-shadow-sm);
        }

        .pa-contact-info h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--pa-primary);
            margin-bottom: 16px;
        }

        .pa-contact-info .info-row {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.88rem;
            color: var(--pa-text);
            margin-bottom: 12px;
        }

        .pa-contact-info .info-row i {
            color: var(--pa-accent);
            width: 18px;
            text-align: center;
            font-size: 0.9rem;
        }

        /* 页脚 */
        .pa-footer {
            background: var(--pa-primary);
            color: #F7F3EC;
            padding: 56px 0 24px;
        }

        .pa-footer a {
            color: rgba(247, 243, 236, 0.75);
            text-decoration: none;
            transition: color var(--pa-transition);
            font-size: 0.88rem;
        }

        .pa-footer a:hover {
            color: #F7F3EC;
        }

        .pa-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .pa-footer .footer-logo {
            font-size: 1.3rem;
            font-weight: 800;
            color: #F7F3EC;
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 12px;
        }

        .pa-footer .footer-logo .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            background: var(--pa-accent);
            color: #F7F3EC;
            border-radius: 8px;
            font-size: 0.85rem;
            font-weight: 700;
        }

        .pa-footer .footer-desc {
            font-size: 0.85rem;
            color: rgba(247, 243, 236, 0.65);
            line-height: 1.7;
            max-width: 300px;
        }

        .pa-footer h5 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #F7F3EC;
            margin-bottom: 16px;
            letter-spacing: 1px;
        }

        .pa-footer .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .pa-footer .footer-subscribe {
            display: flex;
            gap: 8px;
            margin-top: 8px;
        }

        .pa-footer .footer-subscribe input {
            flex: 1;
            background: rgba(247, 243, 236, 0.1);
            border: 1px solid rgba(247, 243, 236, 0.2);
            border-radius: 6px;
            padding: 8px 14px;
            font-size: 0.85rem;
            color: #F7F3EC;
            outline: none;
            transition: border-color var(--pa-transition);
        }

        .pa-footer .footer-subscribe input::placeholder {
            color: rgba(247, 243, 236, 0.5);
        }

        .pa-footer .footer-subscribe input:focus {
            border-color: var(--pa-accent);
        }

        .pa-footer .footer-bottom {
            border-top: 1px solid rgba(247, 243, 236, 0.2);
            padding-top: 16px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-size: 0.8rem;
            color: rgba(247, 243, 236, 0.6);
        }

        .pa-footer .footer-bottom .footer-legal {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
        }

        /* 响应式 */
        @media (max-width: 991.98px) {
            .pa-nav-links {
                gap: 0;
            }
            .pa-nav-links .nav-link {
                padding: 6px 10px;
                font-size: 0.82rem;
            }
            .pa-nav-chips {
                gap: 4px;
            }
            .pa-chip {
                padding: 4px 10px;
                font-size: 0.7rem;
            }
            .pa-service-grid {
                grid-template-columns: 1fr 1fr;
            }
            .pa-review-grid {
                grid-template-columns: 1fr 1fr;
            }
            .pa-partner-grid {
                grid-template-columns: 1fr 1fr;
            }
            .pa-about-wrapper {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .pa-news-wrapper {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .pa-news-sidebar {
                position: static;
            }
            .pa-faq-wrapper {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .pa-faq-sidebar {
                position: static;
            }
            .pa-contact-wrapper {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .pa-case-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .pa-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 767.98px) {
            .pa-hero {
                min-height: auto;
                padding: 48px 0 40px;
            }
            .pa-hero h1 {
                font-size: 1.8rem;
            }
            .pa-hero-sub {
                font-size: 1rem;
            }
            .pa-section {
                padding: 56px 0;
            }
            .pa-service-grid {
                grid-template-columns: 1fr;
            }
            .pa-review-grid {
                grid-template-columns: 1fr;
            }
            .pa-partner-grid {
                grid-template-columns: 1fr;
            }
            .pa-kpi-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .pa-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .pa-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .pa-step {
                gap: 16px;
            }
            .pa-step-num {
                width: 44px;
                height: 44px;
                font-size: 1rem;
            }
            .pa-step:not(:last-child)::before {
                left: 21px;
                top: 46px;
            }
            .pa-hero-metrics {
                gap: 16px;
                flex-wrap: wrap;
            }
            .pa-hero-metric .metric-num {
                font-size: 1.4rem;
            }
        }

        @media (max-width: 575.98px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .pa-hero h1 {
                font-size: 1.6rem;
            }
            .pa-hero-cta {
                flex-direction: column;
                align-items: flex-start;
            }
            .pa-kpi-grid {
                grid-template-columns: 1fr 1fr;
            }
            .pa-kpi-card .kpi-num {
                font-size: 1.8rem;
            }
            .pa-btn {
                padding: 10px 22px;
                font-size: 0.88rem;
            }
            .pa-contact-form {
                padding: 20px;
            }
        }

        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                animation: none !important;
                transition: none !important;
            }
            .pa-service-card:hover,
            .pa-case-card:hover,
            .pa-kpi-card:hover,
            .pa-review-card:hover,
            .pa-partner-item:hover {
                transform: none;
            }
            .pa-service-card:hover .card-cover img,
            .pa-case-card:hover .case-cover img {
                transform: none;
            }
            html {
                scroll-behavior: auto;
            }
        }

/* roulang page: category2 */
:root {
            --pa-primary: #1F3B34;
            --pa-primary-dark: #162C26;
            --pa-primary-light: rgba(31, 59, 52, 0.10);
            --pa-accent: #C88242;
            --pa-accent-light: rgba(200, 130, 66, 0.12);
            --pa-bg: #F7F3EC;
            --pa-card-bg: #FFFDF9;
            --pa-text: #2A2A28;
            --pa-text-muted: #6E716E;
            --pa-text-light: #9BA09B;
            --pa-border: #E2DCD2;
            --pa-success: #5F7F5A;
            --pa-success-light: rgba(95, 127, 90, 0.15);
            --pa-radius-sm: 8px;
            --pa-radius-md: 10px;
            --pa-radius-lg: 12px;
            --pa-radius-pill: 30px;
            --pa-shadow-sm: 0 1px 3px rgba(31, 59, 52, 0.06);
            --pa-shadow-md: 0 4px 12px rgba(31, 59, 52, 0.10);
            --pa-shadow-lg: 0 8px 24px rgba(31, 59, 52, 0.12);
            --pa-transition: 220ms ease-out;
            --pa-font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Inter', 'SF Pro Display', system-ui, sans-serif;
            --pa-font-serif: 'Kaiti SC', 'STKaiti', 'Noto Serif SC', serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--pa-font-sans);
            background-color: var(--pa-bg);
            color: var(--pa-text);
            font-size: 16px;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: var(--pa-primary);
            text-decoration: none;
            transition: all var(--pa-transition);
        }
        a:hover {
            color: var(--pa-accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        a:focus-visible {
            outline: 2px solid rgba(31, 59, 52, 0.35);
            outline-offset: 2px;
        }
        .container {
            max-width: 1140px;
            padding-left: 24px;
            padding-right: 24px;
        }
        /* 导航 */
        .pa-header {
            position: sticky;
            top: 0;
            z-index: 1030;
            background: rgba(247, 243, 236, 0.92);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--pa-border);
            padding: 12px 0;
        }
        .pa-header .navbar {
            padding: 0;
        }
        .pa-nav-logo {
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--pa-primary);
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }
        .pa-nav-logo:hover {
            color: var(--pa-primary-dark);
        }
        .pa-nav-logo .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            background: var(--pa-primary);
            color: var(--pa-bg);
            border-radius: 8px;
            font-size: 0.85rem;
            font-weight: 700;
            letter-spacing: 1px;
        }
        .pa-nav-logo .logo-sub {
            font-size: 0.65rem;
            font-weight: 600;
            color: var(--pa-text-muted);
            letter-spacing: 2px;
            margin-left: 4px;
        }
        .pa-nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
        }
        .pa-nav-links .nav-link {
            color: var(--pa-text);
            font-size: 0.875rem;
            font-weight: 500;
            padding: 8px 14px;
            border-radius: 6px;
            transition: all var(--pa-transition);
            position: relative;
            white-space: nowrap;
        }
        .pa-nav-links .nav-link::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 14px;
            right: 100%;
            height: 2px;
            background: var(--pa-accent);
            border-radius: 2px;
            transition: right var(--pa-transition);
        }
        .pa-nav-links .nav-link:hover::after,
        .pa-nav-links .nav-link.active::after {
            right: 14px;
        }
        .pa-nav-links .nav-link:hover {
            color: var(--pa-primary);
        }
        .pa-nav-links .nav-link.active {
            color: var(--pa-primary);
            font-weight: 600;
        }
        .pa-nav-chips {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .pa-chip {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 5px 14px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            white-space: nowrap;
            transition: all var(--pa-transition);
            border: 1px solid transparent;
        }
        .pa-chip-preheat {
            border-color: var(--pa-accent);
            background: var(--pa-accent-light);
            color: var(--pa-accent);
        }
        .pa-chip-preheat:hover {
            border-color: var(--pa-accent);
            background: rgba(200, 130, 66, 0.22);
        }
        .pa-chip-live {
            border-color: var(--pa-success);
            background: var(--pa-success);
            color: #F7F3EC;
        }
        .pa-chip-live:hover {
            background: #4E6A49;
            color: #F7F3EC;
        }
        .pa-chip-replay {
            border-color: #6E716E;
            background: transparent;
            color: #6E716E;
        }
        .pa-chip-replay:hover {
            background: rgba(110, 113, 110, 0.10);
            border-color: #6E716E;
            color: #6E716E;
        }
        .navbar-toggler {
            border: 1px solid var(--pa-border);
            background: var(--pa-card-bg);
            border-radius: 8px;
            padding: 6px 10px;
        }
        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(31, 59, 52, 0.15);
        }
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%231F3B34' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }
        /* 面包屑 */
        .pa-breadcrumb {
            font-size: 0.85rem;
            color: var(--pa-text-muted);
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            margin-bottom: 12px;
        }
        .pa-breadcrumb a {
            color: var(--pa-text-muted);
            text-decoration: none;
            transition: color var(--pa-transition);
        }
        .pa-breadcrumb a:hover {
            color: var(--pa-primary);
        }
        .pa-breadcrumb .sep {
            color: var(--pa-text-light);
            font-size: 0.7rem;
        }
        .pa-breadcrumb .current {
            color: var(--pa-primary);
            font-weight: 600;
        }
        /* 分类 Hero */
        .pa-category-hero {
            min-height: 38vh;
            display: flex;
            align-items: center;
            position: relative;
            overflow: hidden;
            border-bottom: 1px solid var(--pa-border);
            background: linear-gradient(135deg, rgba(31,59,52,0.04) 0%, rgba(200,130,66,0.07) 100%);
        }
        .pa-category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.12;
            z-index: 0;
        }
        .pa-category-hero .container {
            position: relative;
            z-index: 1;
        }
        .pa-category-hero h1 {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--pa-primary);
            line-height: 1.25;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }
        .pa-category-hero .hero-desc {
            font-size: 1.05rem;
            color: var(--pa-text-muted);
            max-width: 720px;
            line-height: 1.8;
            margin-bottom: 20px;
        }
        .pa-hero-actions {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .pa-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 30px;
            font-size: 0.95rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            border: none;
            cursor: pointer;
            transition: all var(--pa-transition);
            text-decoration: none;
        }
        .pa-btn-primary {
            background: var(--pa-primary);
            color: #F7F3EC;
        }
        .pa-btn-primary:hover {
            background: var(--pa-primary-dark);
            color: #F7F3EC;
            transform: translateY(-1px);
        }
        .pa-btn-accent {
            background: var(--pa-accent);
            color: #F7F3EC;
        }
        .pa-btn-accent:hover {
            background: #B06E32;
            color: #F7F3EC;
            transform: translateY(-1px);
        }
        .pa-btn-outline {
            background: transparent;
            color: var(--pa-primary);
            border: 1px solid var(--pa-primary);
        }
        .pa-btn-outline:hover {
            background: var(--pa-primary-light);
            color: var(--pa-primary);
            border-color: var(--pa-primary);
        }
        .pa-btn-sm {
            padding: 8px 18px;
            font-size: 0.8rem;
        }
        /* 板块通用 */
        .pa-section {
            padding: 72px 0;
        }
        .pa-section-tight {
            padding: 56px 0;
        }
        .pa-section-title {
            font-size: 1.75rem;
            font-weight: 800;
            color: var(--pa-primary);
            margin-bottom: 8px;
            letter-spacing: 0.3px;
        }
        .pa-section-sub {
            font-size: 1rem;
            color: var(--pa-text-muted);
            max-width: 680px;
            margin-bottom: 32px;
            line-height: 1.7;
        }
        .pa-divider {
            width: 60px;
            height: 3px;
            background: var(--pa-accent);
            border-radius: 3px;
            margin: 16px 0 24px;
        }
        /* 卡片网格 */
        .pa-grid-cards {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .pa-card {
            background: var(--pa-card-bg);
            border: 1px solid var(--pa-border);
            border-radius: var(--pa-radius-md);
            overflow: hidden;
            box-shadow: var(--pa-shadow-sm);
            transition: all var(--pa-transition);
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        .pa-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--pa-shadow-lg);
            border-color: rgba(31,59,52,0.18);
        }
        .pa-card-img {
            height: 180px;
            overflow: hidden;
            position: relative;
        }
        .pa-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 220ms ease-out;
        }
        .pa-card:hover .pa-card-img img {
            transform: scale(1.03);
        }
        .pa-card-img .pa-chip-status {
            position: absolute;
            top: 12px;
            left: 12px;
        }
        .pa-card-body {
            padding: 20px 22px 24px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .pa-card-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-bottom: 10px;
        }
        .pa-card-tag {
            display: inline-flex;
            align-items: center;
            padding: 3px 10px;
            border-radius: 20px;
            font-size: 0.7rem;
            font-weight: 600;
            letter-spacing: 0.3px;
            background: var(--pa-primary-light);
            color: var(--pa-primary);
            border: 1px solid rgba(31,59,52,0.1);
        }
        .pa-card-tag.accent {
            background: var(--pa-accent-light);
            color: var(--pa-accent);
            border-color: rgba(200,130,66,0.2);
        }
        .pa-card-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--pa-text);
            line-height: 1.4;
            margin-bottom: 8px;
        }
        .pa-card-desc {
            font-size: 0.9rem;
            color: var(--pa-text-muted);
            line-height: 1.65;
            flex: 1;
        }
        .pa-card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: 16px;
            padding-top: 14px;
            border-top: 1px solid var(--pa-border);
        }
        .pa-card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.78rem;
            color: var(--pa-text-muted);
        }
        .pa-card-meta i {
            margin-right: 4px;
            color: var(--pa-accent);
        }
        .pa-card-link {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--pa-primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .pa-card-link:hover {
            color: var(--pa-accent);
        }
        /* 特色亮点 */
        .pa-feature-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .pa-feature-item {
            background: var(--pa-card-bg);
            border: 1px solid var(--pa-border);
            border-radius: var(--pa-radius-md);
            padding: 24px 20px;
            transition: all var(--pa-transition);
            box-shadow: var(--pa-shadow-sm);
        }
        .pa-feature-item:hover {
            transform: translateY(-3px);
            box-shadow: var(--pa-shadow-md);
        }
        .pa-feature-icon {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--pa-primary-light);
            color: var(--pa-primary);
            font-size: 1.2rem;
            margin-bottom: 12px;
        }
        .pa-feature-item h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--pa-text);
            margin-bottom: 6px;
        }
        .pa-feature-item p {
            font-size: 0.88rem;
            color: var(--pa-text-muted);
            margin: 0;
            line-height: 1.6;
        }
        /* 流程步骤 */
        .pa-process-list {
            list-style: none;
            padding: 0;
            margin: 0;
            position: relative;
        }
        .pa-process-list::before {
            content: '';
            position: absolute;
            left: 22px;
            top: 10px;
            bottom: 10px;
            width: 2px;
            background: var(--pa-border);
        }
        .pa-process-item {
            display: flex;
            gap: 20px;
            margin-bottom: 28px;
            position: relative;
            padding-left: 0;
        }
        .pa-process-num {
            width: 44px;
            height: 44px;
            flex-shrink: 0;
            border-radius: 50%;
            background: var(--pa-primary);
            color: #F7F3EC;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.1rem;
            z-index: 1;
        }
        .pa-process-content h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--pa-text);
            margin-bottom: 6px;
        }
        .pa-process-content p {
            font-size: 0.9rem;
            color: var(--pa-text-muted);
            margin: 0;
            line-height: 1.7;
        }
        /* FAQ */
        .pa-accordion .accordion-item {
            background: transparent;
            border: none;
            border-bottom: 1px solid var(--pa-border);
            border-radius: 0;
            margin-bottom: 0;
        }
        .pa-accordion .accordion-button {
            background: transparent;
            color: var(--pa-text);
            font-weight: 600;
            font-size: 1rem;
            padding: 18px 0;
            box-shadow: none;
            border: none;
            border-radius: 0;
        }
        .pa-accordion .accordion-button::after {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='%231F3B34' stroke-linecap='round' stroke-linejoin='round'%3e%3cpath d='M2 5L8 11L14 5'/%3e%3c/svg%3e");
            transition: transform 220ms ease-out;
        }
        .pa-accordion .accordion-button:not(.collapsed)::after {
            transform: rotate(180deg);
        }
        .pa-accordion .accordion-button:focus {
            outline: none;
            box-shadow: none;
        }
        .pa-accordion .accordion-button:not(.collapsed) {
            background: transparent;
            color: var(--pa-primary);
        }
        .pa-accordion .accordion-body {
            padding: 0 0 18px;
            font-size: 0.92rem;
            color: var(--pa-text-muted);
            line-height: 1.75;
        }
        /* CTA */
        .pa-cta-box {
            background: var(--pa-primary);
            border-radius: var(--pa-radius-lg);
            padding: 48px 40px;
            color: #F7F3EC;
            position: relative;
            overflow: hidden;
        }
        .pa-cta-box::after {
            content: '';
            position: absolute;
            right: -40px;
            top: -40px;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: rgba(200,130,66,0.15);
        }
        .pa-cta-box h2 {
            font-size: 1.75rem;
            font-weight: 800;
            margin-bottom: 8px;
            position: relative;
            z-index: 1;
        }
        .pa-cta-box p {
            font-size: 0.95rem;
            color: rgba(247,243,236,0.75);
            margin-bottom: 20px;
            max-width: 600px;
            position: relative;
            z-index: 1;
        }
        .pa-cta-box .pa-btn {
            position: relative;
            z-index: 1;
        }
        /* 页脚 */
        .pa-footer {
            background: var(--pa-primary);
            color: #F7F3EC;
            padding: 48px 0 24px;
            margin-top: 48px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-logo {
            font-size: 1.3rem;
            font-weight: 800;
            color: #F7F3EC;
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 12px;
        }
        .footer-logo:hover {
            color: #F7F3EC;
            opacity: 0.9;
        }
        .footer-logo .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            background: var(--pa-accent);
            color: #F7F3EC;
            border-radius: 8px;
            font-size: 0.85rem;
            font-weight: 700;
            letter-spacing: 1px;
        }
        .footer-desc {
            font-size: 0.88rem;
            color: rgba(247,243,236,0.65);
            line-height: 1.7;
            max-width: 360px;
        }
        .pa-footer h5 {
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: #F7F3EC;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 8px;
        }
        .footer-links a {
            color: rgba(247,243,236,0.65);
            font-size: 0.85rem;
            text-decoration: none;
            transition: color var(--pa-transition);
        }
        .footer-links a:hover {
            color: var(--pa-accent);
        }
        .footer-subscribe {
            display: flex;
            gap: 8px;
        }
        .footer-subscribe input {
            flex: 1;
            background: rgba(247,243,236,0.08);
            border: 1px solid rgba(247,243,236,0.2);
            border-radius: 30px;
            padding: 8px 16px;
            color: #F7F3EC;
            font-size: 0.85rem;
            outline: none;
            transition: border-color var(--pa-transition);
        }
        .footer-subscribe input::placeholder {
            color: rgba(247,243,236,0.4);
        }
        .footer-subscribe input:focus {
            border-color: var(--pa-accent);
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding-top: 20px;
            border-top: 1px solid rgba(247,243,236,0.15);
            font-size: 0.8rem;
            color: rgba(247,243,236,0.55);
        }
        .footer-legal {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .footer-bottom a {
            color: rgba(247,243,236,0.55);
            text-decoration: none;
            transition: color var(--pa-transition);
        }
        .footer-bottom a:hover {
            color: var(--pa-accent);
        }
        /* 响应式 */
        @media (max-width: 1024px) {
            .pa-grid-cards {
                grid-template-columns: repeat(2, 1fr);
            }
            .pa-feature-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .pa-category-hero h1 {
                font-size: 2rem;
            }
            .pa-section {
                padding: 48px 0;
            }
            .pa-section-tight {
                padding: 40px 0;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .pa-process-item {
                gap: 16px;
            }
            .pa-process-num {
                width: 36px;
                height: 36px;
                font-size: 0.95rem;
            }
        }
        @media (max-width: 520px) {
            .pa-grid-cards {
                grid-template-columns: 1fr;
            }
            .pa-feature-grid {
                grid-template-columns: 1fr;
            }
            .pa-category-hero h1 {
                font-size: 1.6rem;
            }
            .pa-category-hero {
                min-height: 32vh;
            }
            .pa-section-title {
                font-size: 1.4rem;
            }
            .pa-cta-box {
                padding: 32px 24px;
            }
            .pa-cta-box h2 {
                font-size: 1.4rem;
            }
        }
        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                animation-duration: 0.01ms !important;
                animation-iteration-count: 1 !important;
                transition-duration: 0.01ms !important;
                scroll-behavior: auto !important;
            }
            .pa-card:hover {
                transform: none;
            }
            .pa-card:hover .pa-card-img img {
                transform: none;
            }
        }

/* roulang page: category1 */
:root {
            --pa-primary: #1F3B34;
            --pa-primary-dark: #162C26;
            --pa-primary-light: rgba(31, 59, 52, 0.10);
            --pa-accent: #C88242;
            --pa-accent-light: rgba(200, 130, 66, 0.12);
            --pa-bg: #F7F3EC;
            --pa-card-bg: #FFFDF9;
            --pa-text: #2A2A28;
            --pa-text-muted: #6E716E;
            --pa-text-light: #9BA09B;
            --pa-border: #E2DCD2;
            --pa-success: #5F7F5A;
            --pa-success-light: rgba(95, 127, 90, 0.15);
            --pa-radius-sm: 8px;
            --pa-radius-md: 10px;
            --pa-radius-lg: 12px;
            --pa-radius-pill: 30px;
            --pa-shadow-sm: 0 1px 3px rgba(31, 59, 52, 0.06);
            --pa-shadow-md: 0 4px 12px rgba(31, 59, 52, 0.10);
            --pa-shadow-lg: 0 8px 24px rgba(31, 59, 52, 0.12);
            --pa-transition: 220ms ease-out;
            --pa-font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Inter', 'SF Pro Display', system-ui, sans-serif;
            --pa-font-serif: 'Kaiti SC', 'STKaiti', 'Noto Serif SC', serif;
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--pa-font-sans);
            background-color: var(--pa-bg);
            color: var(--pa-text);
            font-size: 16px;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
            padding: 0;
        }

        a {
            color: var(--pa-primary);
            text-decoration: none;
            transition: all var(--pa-transition);
        }

        a:hover {
            color: var(--pa-accent);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        a:focus-visible {
            outline: 2px solid rgba(31, 59, 52, 0.35);
            outline-offset: 2px;
        }

        .container {
            max-width: 1140px;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* 导航 */
        .pa-header {
            position: sticky;
            top: 0;
            z-index: 1030;
            background: rgba(247, 243, 236, 0.92);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--pa-border);
            padding: 12px 0;
        }

        .pa-header .navbar {
            padding: 0;
        }

        .pa-nav-logo {
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--pa-primary);
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }

        .pa-nav-logo:hover {
            color: var(--pa-primary-dark);
        }

        .pa-nav-logo .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            background: var(--pa-primary);
            color: var(--pa-bg);
            border-radius: 8px;
            font-size: 0.85rem;
            font-weight: 700;
            letter-spacing: 1px;
        }

        .pa-nav-logo .logo-sub {
            font-size: 0.65rem;
            font-weight: 600;
            color: var(--pa-text-muted);
            letter-spacing: 2px;
            margin-left: 4px;
        }

        .pa-nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
        }

        .pa-nav-links .nav-link {
            color: var(--pa-text);
            font-size: 0.875rem;
            font-weight: 500;
            padding: 8px 14px;
            border-radius: 6px;
            transition: all var(--pa-transition);
            position: relative;
            white-space: nowrap;
            border: none;
            background: transparent;
        }

        .pa-nav-links .nav-link::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 14px;
            right: 100%;
            height: 2px;
            background: var(--pa-accent);
            border-radius: 2px;
            transition: right var(--pa-transition);
        }

        .pa-nav-links .nav-link:hover::after,
        .pa-nav-links .nav-link.active::after {
            right: 14px;
        }

        .pa-nav-links .nav-link:hover {
            color: var(--pa-primary);
        }

        .pa-nav-links .nav-link.active {
            color: var(--pa-primary);
            font-weight: 600;
        }

        .pa-nav-chips {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .pa-chip {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 5px 14px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            white-space: nowrap;
            transition: all var(--pa-transition);
            border: 1px solid transparent;
        }

        .pa-chip-preheat {
            border-color: var(--pa-accent);
            background: var(--pa-accent-light);
            color: var(--pa-accent);
        }

        .pa-chip-preheat:hover {
            border-color: var(--pa-accent);
            background: rgba(200, 130, 66, 0.22);
        }

        .pa-chip-live {
            border-color: var(--pa-success);
            background: var(--pa-success);
            color: #F7F3EC;
        }

        .pa-chip-live:hover {
            background: #4E6A49;
            color: #F7F3EC;
        }

        .pa-chip-replay {
            border-color: #6E716E;
            background: transparent;
            color: #6E716E;
        }

        .pa-chip-replay:hover {
            background: rgba(110, 113, 110, 0.10);
            border-color: #6E716E;
            color: #6E716E;
        }

        .navbar-toggler {
            border: 1px solid var(--pa-border);
            border-radius: 8px;
            padding: 6px 10px;
            background: transparent;
            color: var(--pa-primary);
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(31, 59, 52, 0.15);
            border-color: var(--pa-primary);
        }

        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(31, 59, 52, 0.85)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        /* 按钮 */
        .pa-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--pa-radius-pill);
            font-weight: 600;
            font-size: 0.9rem;
            letter-spacing: 0.5px;
            transition: all var(--pa-transition);
            border: 1px solid transparent;
            cursor: pointer;
            text-align: center;
            line-height: 1.5;
        }

        .pa-btn-primary {
            background: var(--pa-primary);
            color: #F7F3EC;
        }

        .pa-btn-primary:hover {
            background: var(--pa-primary-dark);
            color: #F7F3EC;
            transform: translateY(-1px);
        }

        .pa-btn-accent {
            background: var(--pa-accent);
            color: #F7F3EC;
        }

        .pa-btn-accent:hover {
            background: #B06E31;
            color: #F7F3EC;
            transform: translateY(-1px);
        }

        .pa-btn-outline {
            background: transparent;
            border-color: var(--pa-primary);
            color: var(--pa-primary);
        }

        .pa-btn-outline:hover {
            background: var(--pa-primary-light);
            border-color: var(--pa-primary);
            color: var(--pa-primary);
        }

        .pa-btn-sm {
            padding: 8px 18px;
            font-size: 0.8rem;
        }

        /* 分类页 Hero */
        .pa-category-hero {
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            min-height: 36vh;
            display: flex;
            align-items: center;
            position: relative;
            padding: 60px 0 48px;
        }

        .pa-category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(31, 59, 52, 0.85) 0%, rgba(31, 59, 52, 0.55) 100%);
        }

        .pa-category-hero .container {
            position: relative;
            z-index: 2;
        }

        .pa-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: rgba(247, 243, 236, 0.7);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }

        .pa-breadcrumb a {
            color: rgba(247, 243, 236, 0.7);
        }

        .pa-breadcrumb a:hover {
            color: #F7F3EC;
        }

        .pa-breadcrumb .sep {
            color: rgba(247, 243, 236, 0.4);
        }

        .pa-breadcrumb .current {
            color: #F7F3EC;
            font-weight: 600;
        }

        .pa-category-hero h1 {
            color: #F7F3EC;
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 12px;
            letter-spacing: -0.5px;
        }

        .pa-category-hero .hero-desc {
            color: rgba(247, 243, 236, 0.85);
            font-size: 1.05rem;
            max-width: 640px;
            line-height: 1.7;
        }

        /* 长文列表区 */
        .pa-list-section {
            padding: 72px 0;
        }

        .pa-sidebar {
            position: sticky;
            top: 96px;
        }

        .pa-sidebar-card {
            background: var(--pa-card-bg);
            border: 1px solid var(--pa-border);
            border-radius: var(--pa-radius-md);
            padding: 24px;
            box-shadow: var(--pa-shadow-sm);
            margin-bottom: 20px;
        }

        .pa-sidebar-card h3 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--pa-primary);
            margin-bottom: 16px;
            padding-bottom: 10px;
            border-bottom: 1px solid var(--pa-border);
            letter-spacing: 0.5px;
        }

        .pa-filter-group {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .pa-filter-item {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 8px 12px;
            border-radius: 6px;
            cursor: pointer;
            transition: all var(--pa-transition);
            font-size: 0.85rem;
            color: var(--pa-text-muted);
            border: 1px solid transparent;
            background: transparent;
            text-align: left;
            width: 100%;
        }

        .pa-filter-item:hover {
            background: var(--pa-primary-light);
            color: var(--pa-primary);
        }

        .pa-filter-item.active {
            background: var(--pa-primary-light);
            color: var(--pa-primary);
            font-weight: 600;
            border-color: var(--pa-primary);
        }

        .pa-filter-count {
            margin-left: auto;
            font-size: 0.75rem;
            color: var(--pa-text-light);
            background: var(--pa-bg);
            padding: 2px 8px;
            border-radius: 10px;
        }

        .pa-article-list {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .pa-article-item {
            display: flex;
            gap: 20px;
            background: var(--pa-card-bg);
            border: 1px solid var(--pa-border);
            border-radius: var(--pa-radius-md);
            padding: 20px;
            box-shadow: var(--pa-shadow-sm);
            transition: all var(--pa-transition);
        }

        .pa-article-item:hover {
            box-shadow: var(--pa-shadow-lg);
            transform: translateY(-3px);
            border-color: rgba(31, 59, 52, 0.25);
        }

        .pa-article-thumb {
            flex-shrink: 0;
            width: 200px;
            height: 140px;
            border-radius: var(--pa-radius-sm);
            overflow: hidden;
        }

        .pa-article-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--pa-transition);
        }

        .pa-article-item:hover .pa-article-thumb img {
            transform: scale(1.04);
        }

        .pa-article-body {
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .pa-article-tag {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.72rem;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 12px;
            letter-spacing: 0.3px;
            margin-bottom: 8px;
            align-self: flex-start;
        }

        .pa-tag-guide {
            background: var(--pa-success-light);
            color: var(--pa-success);
        }

        .pa-tag-booking {
            background: var(--pa-accent-light);
            color: var(--pa-accent);
        }

        .pa-tag-scene {
            background: var(--pa-primary-light);
            color: var(--pa-primary);
        }

        .pa-tag-team {
            background: rgba(200, 130, 66, 0.08);
            color: #8B5A2B;
        }

        .pa-article-item h3 {
            font-size: 1.08rem;
            font-weight: 700;
            color: var(--pa-primary);
            margin-bottom: 8px;
            line-height: 1.45;
        }

        .pa-article-item h3 a {
            color: var(--pa-primary);
        }

        .pa-article-item h3 a:hover {
            color: var(--pa-accent);
        }

        .pa-article-excerpt {
            font-size: 0.88rem;
            color: var(--pa-text-muted);
            line-height: 1.7;
            flex: 1;
        }

        .pa-article-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 0.78rem;
            color: var(--pa-text-light);
            margin-top: 10px;
            flex-wrap: wrap;
        }

        .pa-article-meta span {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        /* 数据横条 */
        .pa-stats-strip {
            background: var(--pa-primary);
            padding: 36px 0;
            border-radius: var(--pa-radius-md);
            margin-top: 48px;
        }

        .pa-stats-strip .stat-item {
            text-align: center;
            padding: 12px 8px;
        }

        .pa-stats-strip .stat-num {
            font-size: 2.2rem;
            font-weight: 800;
            color: #F7F3EC;
            line-height: 1.2;
            letter-spacing: -0.5px;
        }

        .pa-stats-strip .stat-label {
            font-size: 0.82rem;
            color: rgba(247, 243, 236, 0.65);
            margin-top: 4px;
            letter-spacing: 0.5px;
        }

        /* FAQ */
        .pa-faq-section {
            padding: 72px 0 48px;
        }

        .pa-faq-section .section-label {
            font-size: 0.78rem;
            font-weight: 700;
            letter-spacing: 3px;
            color: var(--pa-accent);
            text-transform: uppercase;
            margin-bottom: 8px;
        }

        .pa-faq-section h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--pa-primary);
            margin-bottom: 32px;
            letter-spacing: -0.3px;
        }

        .pa-accordion .accordion-item {
            background: transparent;
            border: none;
            border-bottom: 1px solid var(--pa-border);
            border-radius: 0;
        }

        .pa-accordion .accordion-button {
            background: transparent;
            color: var(--pa-text);
            font-weight: 600;
            font-size: 0.95rem;
            padding: 18px 0;
            border: none;
            box-shadow: none;
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .pa-accordion .accordion-button:not(.collapsed) {
            color: var(--pa-primary);
            background: transparent;
        }

        .pa-accordion .accordion-button::after {
            content: '\f067';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            background-image: none;
            width: auto;
            height: auto;
            font-size: 0.8rem;
            color: var(--pa-primary);
            transition: transform var(--pa-transition);
            flex-shrink: 0;
        }

        .pa-accordion .accordion-button:not(.collapsed)::after {
            transform: rotate(45deg);
            color: var(--pa-accent);
        }

        .pa-accordion .accordion-body {
            padding: 0 0 18px;
            color: var(--pa-text-muted);
            font-size: 0.9rem;
            line-height: 1.8;
        }

        /* CTA 区 */
        .pa-cta-section {
            padding: 56px 0 72px;
        }

        .pa-cta-box {
            background: var(--pa-primary);
            border-radius: var(--pa-radius-lg);
            padding: 48px 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
            box-shadow: var(--pa-shadow-lg);
        }

        .pa-cta-box h2 {
            color: #F7F3EC;
            font-size: 1.6rem;
            font-weight: 800;
            margin-bottom: 8px;
            letter-spacing: -0.3px;
        }

        .pa-cta-box p {
            color: rgba(247, 243, 236, 0.7);
            margin: 0;
            font-size: 0.95rem;
        }

        /* 页脚 */
        .pa-footer {
            background: var(--pa-primary);
            color: #F7F3EC;
            padding: 56px 0 24px;
        }

        .pa-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .pa-footer .footer-logo {
            font-size: 1.3rem;
            font-weight: 800;
            color: #F7F3EC;
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 16px;
        }

        .pa-footer .footer-logo:hover {
            color: rgba(247, 243, 236, 0.85);
        }

        .pa-footer .footer-logo .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            background: rgba(247, 243, 236, 0.15);
            color: #F7F3EC;
            border-radius: 8px;
            font-size: 0.85rem;
            font-weight: 700;
        }

        .pa-footer .footer-desc {
            font-size: 0.85rem;
            color: rgba(247, 243, 236, 0.6);
            line-height: 1.7;
            max-width: 380px;
        }

        .pa-footer h5 {
            font-size: 0.9rem;
            font-weight: 700;
            color: #F7F3EC;
            margin-bottom: 16px;
            letter-spacing: 1px;
        }

        .pa-footer .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .pa-footer .footer-links li {
            margin-bottom: 8px;
        }

        .pa-footer .footer-links a {
            color: rgba(247, 243, 236, 0.65);
            font-size: 0.85rem;
            transition: all var(--pa-transition);
        }

        .pa-footer .footer-links a:hover {
            color: #F7F3EC;
            padding-left: 4px;
        }

        .pa-footer .footer-subscribe {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }

        .pa-footer .footer-subscribe input {
            flex: 1;
            min-width: 160px;
            background: rgba(247, 243, 236, 0.08);
            border: 1px solid rgba(247, 243, 236, 0.2);
            border-radius: 6px;
            padding: 8px 14px;
            color: #F7F3EC;
            font-size: 0.85rem;
            transition: all var(--pa-transition);
        }

        .pa-footer .footer-subscribe input::placeholder {
            color: rgba(247, 243, 236, 0.4);
        }

        .pa-footer .footer-subscribe input:focus {
            outline: none;
            border-color: var(--pa-accent);
            background: rgba(247, 243, 236, 0.12);
        }

        .pa-footer .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding-top: 20px;
            border-top: 1px solid rgba(247, 243, 236, 0.12);
            font-size: 0.78rem;
            color: rgba(247, 243, 236, 0.45);
        }

        .pa-footer .footer-bottom a {
            color: rgba(247, 243, 236, 0.45);
        }

        .pa-footer .footer-bottom a:hover {
            color: #F7F3EC;
        }

        .pa-footer .footer-legal {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* 响应式 */
        @media (max-width: 991.98px) {
            .pa-nav-logo .logo-sub {
                display: none !important;
            }

            .pa-nav-chips {
                margin-top: 12px;
                padding-top: 12px;
                border-top: 1px solid var(--pa-border);
                width: 100%;
            }

            .pa-nav-links {
                margin-top: 12px;
                padding-top: 8px;
            }

            .pa-category-hero h1 {
                font-size: 2rem;
            }

            .pa-article-item {
                flex-direction: column;
            }

            .pa-article-thumb {
                width: 100%;
                height: 180px;
            }

            .pa-sidebar {
                position: static;
                margin-bottom: 32px;
            }

            .pa-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .pa-cta-box {
                flex-direction: column;
                text-align: center;
                padding: 32px 24px;
            }

            .pa-stats-strip .stat-num {
                font-size: 1.6rem;
            }
        }

        @media (max-width: 575.98px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .pa-category-hero {
                min-height: auto;
                padding: 40px 0 36px;
            }

            .pa-category-hero h1 {
                font-size: 1.6rem;
            }

            .pa-category-hero .hero-desc {
                font-size: 0.9rem;
            }

            .pa-list-section {
                padding: 48px 0;
            }

            .pa-article-item {
                padding: 16px;
            }

            .pa-article-item h3 {
                font-size: 0.98rem;
            }

            .pa-article-excerpt {
                font-size: 0.82rem;
            }

            .pa-stats-strip {
                padding: 24px 0;
                margin-top: 32px;
            }

            .pa-stats-strip .stat-num {
                font-size: 1.4rem;
            }

            .pa-stats-strip .stat-label {
                font-size: 0.72rem;
            }

            .pa-faq-section h2 {
                font-size: 1.5rem;
            }

            .pa-cta-box h2 {
                font-size: 1.3rem;
            }

            .pa-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }

            .pa-footer .footer-legal {
                justify-content: center;
            }

            .pa-btn {
                padding: 10px 20px;
                font-size: 0.82rem;
            }
        }

        @media (prefers-reduced-motion: reduce) {
            html {
                scroll-behavior: auto;
            }

            .pa-article-item,
            .pa-article-thumb img,
            .pa-btn,
            .pa-filter-item,
            .pa-nav-links .nav-link::after,
            .pa-footer .footer-links a,
            .pa-accordion .accordion-button::after {
                transition: none !important;
            }

            .pa-article-item:hover {
                transform: none !important;
            }

            .pa-article-item:hover .pa-article-thumb img {
                transform: none !important;
            }
        }

/* roulang page: category4 */
:root {
            --pa-primary: #1F3B34;
            --pa-primary-dark: #162C26;
            --pa-primary-light: rgba(31, 59, 52, 0.10);
            --pa-accent: #C88242;
            --pa-accent-light: rgba(200, 130, 66, 0.12);
            --pa-bg: #F7F3EC;
            --pa-card-bg: #FFFDF9;
            --pa-text: #2A2A28;
            --pa-text-muted: #6E716E;
            --pa-text-light: #9BA09B;
            --pa-border: #E2DCD2;
            --pa-success: #5F7F5A;
            --pa-success-light: rgba(95, 127, 90, 0.15);
            --pa-radius-sm: 8px;
            --pa-radius-md: 10px;
            --pa-radius-lg: 12px;
            --pa-radius-pill: 30px;
            --pa-shadow-sm: 0 1px 3px rgba(31, 59, 52, 0.06);
            --pa-shadow-md: 0 4px 12px rgba(31, 59, 52, 0.10);
            --pa-shadow-lg: 0 8px 24px rgba(31, 59, 52, 0.12);
            --pa-transition: 220ms ease-out;
            --pa-font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Inter', 'SF Pro Display', system-ui, sans-serif;
            --pa-font-serif: 'Kaiti SC', 'STKaiti', 'Noto Serif SC', serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--pa-font-sans);
            background-color: var(--pa-bg);
            color: var(--pa-text);
            font-size: 16px;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: var(--pa-primary);
            text-decoration: none;
            transition: all var(--pa-transition);
        }
        a:hover {
            color: var(--pa-accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        a:focus-visible {
            outline: 2px solid rgba(31, 59, 52, 0.35);
            outline-offset: 2px;
        }
        .container {
            max-width: 1140px;
            padding-left: 24px;
            padding-right: 24px;
        }
        .pa-header {
            position: sticky;
            top: 0;
            z-index: 1030;
            background: rgba(247, 243, 236, 0.92);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--pa-border);
            padding: 12px 0;
        }
        .pa-header .navbar {
            padding: 0;
        }
        .pa-nav-logo {
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--pa-primary);
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }
        .pa-nav-logo:hover {
            color: var(--pa-primary-dark);
        }
        .pa-nav-logo .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            background: var(--pa-primary);
            color: var(--pa-bg);
            border-radius: 8px;
            font-size: 0.85rem;
            font-weight: 700;
            letter-spacing: 1px;
        }
        .pa-nav-logo .logo-sub {
            font-size: 0.65rem;
            font-weight: 600;
            color: var(--pa-text-muted);
            letter-spacing: 2px;
            margin-left: 4px;
        }
        .pa-nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
        }
        .pa-nav-links .nav-link {
            color: var(--pa-text);
            font-size: 0.875rem;
            font-weight: 500;
            padding: 8px 14px;
            border-radius: 6px;
            transition: all var(--pa-transition);
            position: relative;
            white-space: nowrap;
        }
        .pa-nav-links .nav-link::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 14px;
            right: 100%;
            height: 2px;
            background: var(--pa-accent);
            border-radius: 2px;
            transition: right var(--pa-transition);
        }
        .pa-nav-links .nav-link:hover::after,
        .pa-nav-links .nav-link.active::after {
            right: 14px;
        }
        .pa-nav-links .nav-link:hover {
            color: var(--pa-primary);
        }
        .pa-nav-links .nav-link.active {
            color: var(--pa-primary);
            font-weight: 600;
        }
        .pa-nav-chips {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .pa-chip {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 5px 14px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            white-space: nowrap;
            transition: all var(--pa-transition);
            border: 1px solid transparent;
        }
        .pa-chip-preheat {
            border-color: var(--pa-accent);
            background: var(--pa-accent-light);
            color: var(--pa-accent);
        }
        .pa-chip-preheat:hover {
            border-color: var(--pa-accent);
            background: rgba(200, 130, 66, 0.22);
        }
        .pa-chip-live {
            border-color: var(--pa-success);
            background: var(--pa-success);
            color: #F7F3EC;
        }
        .pa-chip-live:hover {
            background: #4E6A49;
            color: #F7F3EC;
        }
        .pa-chip-replay {
            border-color: #6E716E;
            background: transparent;
            color: #6E716E;
        }
        .pa-chip-replay:hover {
            background: rgba(110, 113, 110, 0.10);
            border-color: #6E716E;
            color: #6E716E;
        }
        .navbar-toggler {
            border: 1px solid var(--pa-border);
            border-radius: 6px;
            padding: 3px 8px;
            background: transparent;
        }
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%231F3B34' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }
        .pa-breadcrumb {
            font-size: 0.75rem;
            color: var(--pa-text-muted);
            letter-spacing: 0.3px;
            margin-bottom: 8px;
        }
        .pa-breadcrumb a {
            color: var(--pa-text-muted);
        }
        .pa-breadcrumb a:hover {
            color: var(--pa-accent);
        }
        .pa-page-hero {
            padding: 24px 0 36px;
            background: var(--pa-bg);
        }
        .pa-page-hero-inner {
            padding: 28px 32px;
            background: var(--pa-card-bg);
            border: 1px solid var(--pa-border);
            border-radius: var(--pa-radius-lg);
            box-shadow: var(--pa-shadow-sm);
            position: relative;
            overflow: hidden;
        }
        .pa-page-hero-inner::before {
            content: '';
            position: absolute;
            right: -40px;
            top: -40px;
            width: 180px;
            height: 180px;
            background: radial-gradient(circle, rgba(200,130,66,0.10), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .pa-page-hero h1 {
            font-size: clamp(1.9rem, 4vw, 2.8rem);
            font-weight: 800;
            line-height: 1.2;
            color: var(--pa-primary);
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }
        .pa-page-hero .lead {
            font-size: 1rem;
            color: var(--pa-text-muted);
            max-width: 720px;
            margin-bottom: 0;
        }
        .pa-section {
            padding: 56px 0;
        }
        .pa-section-title {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--pa-primary);
            letter-spacing: -0.02em;
            margin-bottom: 12px;
        }
        .pa-section-sub {
            font-size: 1rem;
            color: var(--pa-text-muted);
            max-width: 680px;
            line-height: 1.7;
        }
        .pa-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--pa-radius-pill);
            font-weight: 600;
            font-size: 0.9rem;
            letter-spacing: 0.5px;
            transition: all var(--pa-transition);
            cursor: pointer;
            border: 1px solid transparent;
        }
        .pa-btn-primary {
            background: var(--pa-primary);
            color: #F7F3EC;
        }
        .pa-btn-primary:hover {
            background: var(--pa-primary-dark);
            color: #F7F3EC;
            transform: translateY(-1px);
        }
        .pa-btn-outline {
            border-color: var(--pa-primary);
            color: var(--pa-primary);
            background: transparent;
        }
        .pa-btn-outline:hover {
            background: var(--pa-primary-light);
            color: var(--pa-primary);
        }
        .pa-btn-accent {
            background: var(--pa-accent);
            color: #F7F3EC;
        }
        .pa-btn-accent:hover {
            background: #b8743a;
            color: #F7F3EC;
        }
        .pa-card {
            background: var(--pa-card-bg);
            border: 1px solid var(--pa-border);
            border-radius: var(--pa-radius-md);
            box-shadow: var(--pa-shadow-sm);
            transition: all var(--pa-transition);
            overflow: hidden;
        }
        .pa-card:hover {
            box-shadow: var(--pa-shadow-lg);
            transform: translateY(-3px);
        }
        .pa-cover-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            border-radius: var(--pa-radius-sm) var(--pa-radius-sm) 0 0;
            transition: transform var(--pa-transition);
        }
        .pa-card:hover .pa-cover-img {
            transform: scale(1.03);
        }
        .pa-cover-caption {
            padding: 16px 20px;
        }
        .pa-cover-caption h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--pa-primary);
            margin-bottom: 6px;
        }
        .pa-cover-caption p {
            font-size: 0.85rem;
            color: var(--pa-text-muted);
            line-height: 1.5;
            margin-bottom: 0;
        }
        .pa-tag-chip {
            display: inline-block;
            padding: 2px 12px;
            border-radius: 20px;
            font-size: 0.7rem;
            font-weight: 600;
            letter-spacing: 0.4px;
            background: var(--pa-accent-light);
            color: var(--pa-accent);
            border: 1px solid rgba(200,130,66,0.25);
            margin-right: 6px;
        }
        .pa-tag-chip.green {
            background: var(--pa-success-light);
            color: var(--pa-success);
            border-color: rgba(95,127,90,0.3);
        }
        .pa-tag-chip.gray {
            background: rgba(110,113,110,0.12);
            color: #6E716E;
            border-color: rgba(110,113,110,0.2);
        }
        .pa-interleave-item {
            display: flex;
            align-items: center;
            gap: 32px;
            margin-bottom: 42px;
            background: var(--pa-card-bg);
            border: 1px solid var(--pa-border);
            border-radius: var(--pa-radius-lg);
            padding: 24px;
            transition: box-shadow var(--pa-transition);
        }
        .pa-interleave-item:hover {
            box-shadow: var(--pa-shadow-md);
        }
        .pa-interleave-img {
            flex: 0 0 42%;
            max-width: 42%;
            border-radius: var(--pa-radius-sm);
            overflow: hidden;
        }
        .pa-interleave-img img {
            width: 100%;
            height: 260px;
            object-fit: cover;
        }
        .pa-interleave-content {
            flex: 1;
        }
        .pa-interleave-content h3 {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--pa-primary);
            margin-bottom: 10px;
        }
        .pa-interleave-content p {
            font-size: 0.95rem;
            color: var(--pa-text-muted);
            line-height: 1.7;
            margin-bottom: 12px;
        }
        .pa-note-line {
            border-left: 3px solid var(--pa-accent);
            background: rgba(200,130,66,0.06);
            padding: 12px 18px;
            border-radius: 0 var(--pa-radius-sm) var(--pa-radius-sm) 0;
            font-size: 0.85rem;
            color: var(--pa-text-muted);
            font-family: var(--pa-font-serif);
        }
        .pa-step-list {
            list-style: none;
            padding: 0;
            counter-reset: step-counter;
        }
        .pa-step-list li {
            counter-increment: step-counter;
            display: flex;
            gap: 16px;
            margin-bottom: 20px;
            padding: 16px 20px;
            background: var(--pa-card-bg);
            border: 1px solid var(--pa-border);
            border-radius: var(--pa-radius-md);
            transition: all var(--pa-transition);
        }
        .pa-step-list li:hover {
            border-color: var(--pa-accent);
            box-shadow: var(--pa-shadow-sm);
        }
        .pa-step-list li::before {
            content: counter(step-counter, decimal-leading-zero);
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--pa-accent);
            letter-spacing: -1px;
            line-height: 1;
            min-width: 56px;
        }
        .pa-step-list li h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--pa-primary);
            margin-bottom: 4px;
        }
        .pa-step-list li p {
            font-size: 0.9rem;
            color: var(--pa-text-muted);
            margin-bottom: 0;
        }
        .pa-faq-item {
            border-bottom: 1px solid var(--pa-border);
            background: transparent;
        }
        .pa-faq-item .accordion-button {
            background: transparent;
            color: var(--pa-text);
            font-weight: 700;
            font-size: 1rem;
            padding: 18px 0;
            box-shadow: none;
            border: none;
        }
        .pa-faq-item .accordion-button:not(.collapsed) {
            background: transparent;
            color: var(--pa-primary);
        }
        .pa-faq-item .accordion-button::after {
            content: '+';
            font-weight: 400;
            font-size: 1.6rem;
            background: none;
            color: var(--pa-primary);
            line-height: 1;
            width: auto;
            height: auto;
            transform: rotate(0deg);
            transition: transform var(--pa-transition);
            margin-left: auto;
        }
        .pa-faq-item .accordion-button:not(.collapsed)::after {
            transform: rotate(45deg);
        }
        .pa-faq-item .accordion-body {
            font-size: 0.9rem;
            color: var(--pa-text-muted);
            padding: 0 0 18px 0;
            line-height: 1.7;
        }
        .pa-footer {
            background: var(--pa-primary);
            color: #F7F3EC;
            padding: 56px 0 28px;
            margin-top: 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-logo {
            font-size: 1.25rem;
            font-weight: 800;
            color: #F7F3EC;
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 16px;
        }
        .footer-logo .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            background: var(--pa-accent);
            color: #F7F3EC;
            border-radius: 8px;
            font-weight: 700;
        }
        .footer-desc {
            font-size: 0.85rem;
            color: rgba(247, 243, 236, 0.7);
            max-width: 320px;
            line-height: 1.7;
        }
        .footer-grid h5 {
            font-size: 1rem;
            font-weight: 600;
            color: #F7F3EC;
            margin-bottom: 18px;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: rgba(247, 243, 236, 0.7);
            font-size: 0.85rem;
            transition: color var(--pa-transition);
        }
        .footer-links a:hover {
            color: var(--pa-accent);
        }
        .footer-subscribe {
            display: flex;
            gap: 8px;
            max-width: 300px;
        }
        .footer-subscribe input {
            flex: 1;
            padding: 8px 16px;
            border-radius: 30px;
            border: 1px solid rgba(247,243,236,0.3);
            background: rgba(247,243,236,0.08);
            color: #F7F3EC;
            font-size: 0.8rem;
        }
        .footer-subscribe input::placeholder {
            color: rgba(247, 243, 236, 0.5);
        }
        .footer-bottom {
            border-top: 1px solid rgba(247,243,236,0.15);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            font-size: 0.75rem;
            color: rgba(247, 243, 236, 0.55);
            gap: 10px;
        }
        .footer-bottom a {
            color: rgba(247, 243, 236, 0.55);
        }
        .footer-bottom a:hover {
            color: var(--pa-accent);
        }
        @media (max-width: 991.98px) {
            .pa-nav-links,
            .pa-nav-chips {
                width: 100%;
                justify-content: flex-start;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .pa-interleave-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 20px;
            }
            .pa-interleave-img {
                flex: 0 0 100%;
                max-width: 100%;
            }
            .pa-interleave-img img {
                height: 220px;
            }
        }
        @media (max-width: 575.98px) {
            .pa-nav-links .nav-link {
                padding: 6px 10px;
                font-size: 0.8rem;
            }
            .pa-nav-chips {
                gap: 4px;
            }
            .pa-chip {
                padding: 3px 8px;
                font-size: 0.65rem;
            }
            .pa-section {
                padding: 36px 0;
            }
            .pa-section-title {
                font-size: 1.4rem;
            }
            .pa-page-hero {
                padding: 16px 0;
            }
            .pa-page-hero-inner {
                padding: 20px 16px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }
        @media (prefers-reduced-motion: reduce) {
            * {
                animation-duration: 0.01ms !important;
                transition-duration: 0.01ms !important;
            }
        }

/* roulang page: category3 */
:root {
            --pa-primary: #1F3B34;
            --pa-primary-dark: #162C26;
            --pa-primary-light: rgba(31, 59, 52, 0.10);
            --pa-accent: #C88242;
            --pa-accent-light: rgba(200, 130, 66, 0.12);
            --pa-bg: #F7F3EC;
            --pa-card-bg: #FFFDF9;
            --pa-text: #2A2A28;
            --pa-text-muted: #6E716E;
            --pa-text-light: #9BA09B;
            --pa-border: #E2DCD2;
            --pa-success: #5F7F5A;
            --pa-success-light: rgba(95, 127, 90, 0.15);
            --pa-radius-sm: 8px;
            --pa-radius-md: 10px;
            --pa-radius-lg: 12px;
            --pa-radius-pill: 30px;
            --pa-shadow-sm: 0 1px 3px rgba(31, 59, 52, 0.06);
            --pa-shadow-md: 0 4px 12px rgba(31, 59, 52, 0.10);
            --pa-shadow-lg: 0 8px 24px rgba(31, 59, 52, 0.12);
            --pa-transition: 220ms ease-out;
            --pa-font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Inter', 'SF Pro Display', system-ui, sans-serif;
            --pa-font-serif: 'Kaiti SC', 'STKaiti', 'Noto Serif SC', serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--pa-font-sans);
            background-color: var(--pa-bg);
            color: var(--pa-text);
            font-size: 16px;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: var(--pa-primary);
            text-decoration: none;
            transition: all var(--pa-transition);
        }
        a:hover {
            color: var(--pa-accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        a:focus-visible {
            outline: 2px solid rgba(31, 59, 52, 0.35);
            outline-offset: 2px;
        }
        .container {
            max-width: 1140px;
            padding-left: 24px;
            padding-right: 24px;
        }
        /* 导航 */
        .pa-header {
            position: sticky;
            top: 0;
            z-index: 1030;
            background: rgba(247, 243, 236, 0.92);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--pa-border);
            padding: 12px 0;
        }
        .pa-header .navbar {
            padding: 0;
        }
        .pa-nav-logo {
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--pa-primary);
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }
        .pa-nav-logo:hover {
            color: var(--pa-primary-dark);
        }
        .pa-nav-logo .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            background: var(--pa-primary);
            color: var(--pa-bg);
            border-radius: 8px;
            font-size: 0.85rem;
            font-weight: 700;
            letter-spacing: 1px;
        }
        .pa-nav-logo .logo-sub {
            font-size: 0.65rem;
            font-weight: 600;
            color: var(--pa-text-muted);
            letter-spacing: 2px;
            margin-left: 4px;
        }
        .pa-nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
        }
        .pa-nav-links .nav-link {
            color: var(--pa-text);
            font-size: 0.875rem;
            font-weight: 500;
            padding: 8px 14px;
            border-radius: 6px;
            transition: all var(--pa-transition);
            position: relative;
            white-space: nowrap;
        }
        .pa-nav-links .nav-link::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 14px;
            right: 100%;
            height: 2px;
            background: var(--pa-accent);
            border-radius: 2px;
            transition: right var(--pa-transition);
        }
        .pa-nav-links .nav-link:hover::after,
        .pa-nav-links .nav-link.active::after {
            right: 14px;
        }
        .pa-nav-links .nav-link:hover {
            color: var(--pa-primary);
        }
        .pa-nav-links .nav-link.active {
            color: var(--pa-primary);
            font-weight: 600;
        }
        .pa-nav-chips {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .pa-chip {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 5px 14px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            white-space: nowrap;
            transition: all var(--pa-transition);
            border: 1px solid transparent;
        }
        .pa-chip-preheat {
            border-color: var(--pa-accent);
            background: var(--pa-accent-light);
            color: var(--pa-accent);
        }
        .pa-chip-preheat:hover {
            border-color: var(--pa-accent);
            background: rgba(200, 130, 66, 0.22);
        }
        .pa-chip-live {
            border-color: var(--pa-success);
            background: var(--pa-success);
            color: #F7F3EC;
        }
        .pa-chip-live:hover {
            background: #4E6A49;
            color: #F7F3EC;
        }
        .pa-chip-replay {
            border-color: #6E716E;
            background: transparent;
            color: #6E716E;
        }
        .pa-chip-replay:hover {
            background: rgba(110, 113, 110, 0.10);
            border-color: #6E716E;
            color: #6E716E;
        }
        .navbar-toggler {
            border: 1px solid var(--pa-border);
            padding: 4px 8px;
            font-size: 0.9rem;
        }
        .navbar-toggler:focus {
            box-shadow: none;
            outline: 2px solid rgba(31, 59, 52, 0.35);
            outline-offset: 2px;
        }
        /* 按钮 */
        .pa-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--pa-radius-pill);
            font-weight: 600;
            font-size: 0.9rem;
            letter-spacing: 0.5px;
            border: none;
            cursor: pointer;
            transition: all var(--pa-transition);
            text-decoration: none;
        }
        .pa-btn-primary {
            background: var(--pa-primary);
            color: #F7F3EC;
        }
        .pa-btn-primary:hover {
            background: var(--pa-primary-dark);
            color: #F7F3EC;
            box-shadow: var(--pa-shadow-md);
            transform: translateY(-2px);
        }
        .pa-btn-accent {
            background: var(--pa-accent);
            color: #F7F3EC;
        }
        .pa-btn-accent:hover {
            background: #B2713A;
            color: #F7F3EC;
            box-shadow: var(--pa-shadow-md);
            transform: translateY(-2px);
        }
        .pa-btn-outline {
            background: transparent;
            color: var(--pa-primary);
            border: 1px solid var(--pa-primary);
        }
        .pa-btn-outline:hover {
            background: var(--pa-primary-light);
            color: var(--pa-primary-dark);
            border-color: var(--pa-primary);
        }
        .pa-btn-sm {
            padding: 8px 18px;
            font-size: 0.8rem;
        }
        /* Hero */
        .pa-page-hero {
            position: relative;
            min-height: 36vh;
            display: flex;
            align-items: center;
            padding: 48px 0 40px;
            background: var(--pa-primary);
            overflow: hidden;
            border-bottom: 4px solid var(--pa-accent);
        }
        .pa-page-hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.14;
            z-index: 0;
        }
        .pa-page-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(31, 59, 52, 0.85) 0%, rgba(22, 44, 38, 0.65) 100%);
            z-index: 0;
        }
        .pa-page-hero .container {
            position: relative;
            z-index: 1;
        }
        .pa-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.78rem;
            color: rgba(247, 243, 236, 0.6);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }
        .pa-breadcrumb a {
            color: rgba(247, 243, 236, 0.6);
        }
        .pa-breadcrumb a:hover {
            color: var(--pa-accent);
        }
        .pa-breadcrumb .separator {
            color: rgba(247, 243, 236, 0.35);
            font-size: 0.65rem;
        }
        .pa-page-hero h1 {
            font-size: clamp(1.75rem, 3.5vw, 2.75rem);
            font-weight: 800;
            color: #F7F3EC;
            line-height: 1.25;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }
        .pa-page-hero .hero-desc {
            font-size: 1rem;
            color: rgba(247, 243, 236, 0.75);
            max-width: 720px;
            line-height: 1.7;
        }
        /* 时间线 */
        .pa-timeline-section {
            padding: 72px 0;
        }
        .pa-section-title {
            font-size: clamp(1.5rem, 2.8vw, 2rem);
            font-weight: 800;
            color: var(--pa-primary);
            margin-bottom: 8px;
            letter-spacing: 0.5px;
            line-height: 1.3;
        }
        .pa-section-sub {
            font-size: 0.95rem;
            color: var(--pa-text-muted);
            margin-bottom: 40px;
            max-width: 640px;
        }
        .pa-timeline {
            position: relative;
            padding-left: 34px;
        }
        .pa-timeline::before {
            content: '';
            position: absolute;
            top: 8px;
            bottom: 8px;
            left: 12px;
            width: 2px;
            background: var(--pa-border);
            border-radius: 2px;
        }
        .pa-timeline-item {
            position: relative;
            margin-bottom: 32px;
        }
        .pa-timeline-item:last-child {
            margin-bottom: 0;
        }
        .pa-timeline-dot {
            position: absolute;
            left: -34px;
            top: 22px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            border: 3px solid var(--pa-bg);
            z-index: 1;
        }
        .pa-timeline-dot.dot-preheat {
            background: var(--pa-accent);
        }
        .pa-timeline-dot.dot-live {
            background: var(--pa-success);
        }
        .pa-timeline-dot.dot-replay {
            background: #6E716E;
        }
        .pa-timeline-card {
            background: var(--pa-card-bg);
            border: 1px solid var(--pa-border);
            border-radius: var(--pa-radius-lg);
            padding: 24px 28px;
            box-shadow: var(--pa-shadow-sm);
            transition: all var(--pa-transition);
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
        }
        .pa-timeline-card:hover {
            box-shadow: var(--pa-shadow-lg);
            transform: translateY(-3px);
            border-color: rgba(31, 59, 52, 0.25);
        }
        .pa-timeline-thumb {
            flex: 0 0 180px;
            height: 120px;
            border-radius: var(--pa-radius-sm);
            overflow: hidden;
        }
        .pa-timeline-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--pa-transition);
        }
        .pa-timeline-card:hover .pa-timeline-thumb img {
            transform: scale(1.04);
        }
        .pa-timeline-body {
            flex: 1;
            min-width: 220px;
        }
        .pa-timeline-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
            margin-bottom: 10px;
        }
        .pa-timeline-date {
            font-size: 0.78rem;
            color: var(--pa-text-muted);
            letter-spacing: 0.5px;
        }
        .pa-timeline-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--pa-primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .pa-timeline-excerpt {
            font-size: 0.88rem;
            color: var(--pa-text-muted);
            line-height: 1.7;
            margin-bottom: 12px;
        }
        .pa-timeline-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .pa-tag {
            display: inline-flex;
            align-items: center;
            padding: 3px 12px;
            border-radius: 12px;
            font-size: 0.72rem;
            font-weight: 500;
            letter-spacing: 0.3px;
            background: var(--pa-primary-light);
            color: var(--pa-primary);
            border: 1px solid rgba(31, 59, 52, 0.15);
        }
        /* 数据条 */
        .pa-stats-bar {
            padding: 48px 0;
            background: var(--pa-card-bg);
            border-top: 1px solid var(--pa-border);
            border-bottom: 1px solid var(--pa-border);
        }
        .pa-stat-item {
            text-align: center;
            padding: 12px 16px;
            position: relative;
        }
        .pa-stat-item + .pa-stat-item::before {
            content: '';
            position: absolute;
            left: 0;
            top: 25%;
            height: 50%;
            width: 1px;
            background: var(--pa-border);
        }
        .pa-stat-num {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--pa-primary);
            line-height: 1.2;
            letter-spacing: 1px;
        }
        .pa-stat-num .unit {
            font-size: 1rem;
            font-weight: 600;
            color: var(--pa-text-muted);
            margin-left: 2px;
        }
        .pa-stat-label {
            font-size: 0.82rem;
            color: var(--pa-text-muted);
            letter-spacing: 1px;
            margin-top: 4px;
        }
        /* 场景卡片 */
        .pa-scene-section {
            padding: 72px 0;
        }
        .pa-scene-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 24px;
        }
        .pa-scene-card {
            background: var(--pa-card-bg);
            border: 1px solid var(--pa-border);
            border-radius: var(--pa-radius-lg);
            overflow: hidden;
            box-shadow: var(--pa-shadow-sm);
            transition: all var(--pa-transition);
        }
        .pa-scene-card:hover {
            box-shadow: var(--pa-shadow-lg);
            transform: translateY(-3px);
        }
        .pa-scene-img {
            height: 160px;
            overflow: hidden;
        }
        .pa-scene-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--pa-transition);
        }
        .pa-scene-card:hover .pa-scene-img img {
            transform: scale(1.04);
        }
        .pa-scene-body {
            padding: 20px 22px;
        }
        .pa-scene-title {
            font-size: 1rem;
            font-weight: 700;
            color: var(--pa-primary);
            margin-bottom: 8px;
        }
        .pa-scene-desc {
            font-size: 0.85rem;
            color: var(--pa-text-muted);
            line-height: 1.65;
        }
        /* 流程 */
        .pa-process-section {
            padding: 72px 0;
            background: var(--pa-card-bg);
            border-top: 1px solid var(--pa-border);
            border-bottom: 1px solid var(--pa-border);
        }
        .pa-process-steps {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 28px;
            counter-reset: step;
        }
        .pa-process-step {
            position: relative;
            padding: 20px 22px;
            background: var(--pa-bg);
            border-radius: var(--pa-radius-md);
            border: 1px solid var(--pa-border);
            transition: all var(--pa-transition);
        }
        .pa-process-step:hover {
            border-color: rgba(31, 59, 52, 0.3);
            box-shadow: var(--pa-shadow-md);
        }
        .pa-process-step .step-num {
            font-size: 2.4rem;
            font-weight: 800;
            color: rgba(31, 59, 52, 0.12);
            line-height: 1;
            margin-bottom: 10px;
            font-family: var(--pa-font-serif);
        }
        .pa-process-step h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--pa-primary);
            margin-bottom: 6px;
        }
        .pa-process-step p {
            font-size: 0.85rem;
            color: var(--pa-text-muted);
            margin-bottom: 0;
            line-height: 1.65;
        }
        /* FAQ */
        .pa-faq-section {
            padding: 72px 0;
        }
        .pa-accordion .accordion-item {
            background: transparent;
            border: none;
            border-bottom: 1px solid var(--pa-border);
            border-radius: 0;
        }
        .pa-accordion .accordion-button {
            background: transparent;
            color: var(--pa-primary);
            font-weight: 600;
            font-size: 0.95rem;
            padding: 18px 0;
            border: none;
            box-shadow: none;
            gap: 12px;
        }
        .pa-accordion .accordion-button:focus {
            box-shadow: none;
            outline: none;
        }
        .pa-accordion .accordion-button::after {
            flex-shrink: 0;
            width: 18px;
            height: 18px;
            background-image: none;
            content: '\f067';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            color: var(--pa-accent);
            transition: transform var(--pa-transition);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.7rem;
        }
        .pa-accordion .accordion-button:not(.collapsed)::after {
            transform: rotate(45deg);
        }
        .pa-accordion .accordion-body {
            padding: 0 0 18px 0;
            font-size: 0.88rem;
            color: var(--pa-text-muted);
            line-height: 1.75;
        }
        /* CTA */
        .pa-cta-section {
            padding: 72px 0;
            background: var(--pa-primary);
            position: relative;
            overflow: hidden;
        }
        .pa-cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(200, 130, 66, 0.2), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .pa-cta-section .container {
            position: relative;
            z-index: 1;
        }
        .pa-cta-card {
            background: var(--pa-card-bg);
            border-radius: var(--pa-radius-lg);
            padding: 40px 44px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 24px;
            justify-content: space-between;
            box-shadow: var(--pa-shadow-lg);
            border: 1px solid rgba(247, 243, 236, 0.2);
        }
        .pa-cta-card h2 {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--pa-primary);
            margin-bottom: 8px;
            line-height: 1.3;
        }
        .pa-cta-card p {
            font-size: 0.92rem;
            color: var(--pa-text-muted);
            margin-bottom: 0;
            max-width: 480px;
        }
        .pa-cta-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        /* 页脚 */
        .pa-footer {
            background: var(--pa-primary-dark);
            color: #F7F3EC;
            padding: 56px 0 24px;
        }
        .pa-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 36px;
        }
        .pa-footer .footer-logo {
            font-size: 1.3rem;
            font-weight: 800;
            color: #F7F3EC;
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 14px;
        }
        .pa-footer .footer-logo:hover {
            color: var(--pa-accent);
        }
        .pa-footer .footer-logo .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            background: var(--pa-accent);
            color: var(--pa-primary-dark);
            border-radius: 8px;
            font-size: 0.85rem;
            font-weight: 700;
        }
        .pa-footer .footer-desc {
            font-size: 0.85rem;
            color: rgba(247, 243, 236, 0.65);
            line-height: 1.7;
            max-width: 360px;
        }
        .pa-footer h5 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #F7F3EC;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .pa-footer .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .pa-footer .footer-links a {
            color: rgba(247, 243, 236, 0.7);
            font-size: 0.85rem;
            transition: all var(--pa-transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .pa-footer .footer-links a:hover {
            color: var(--pa-accent);
            padding-left: 4px;
        }
        .pa-footer .footer-subscribe {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }
        .pa-footer .footer-subscribe input {
            flex: 1;
            min-width: 180px;
            padding: 10px 16px;
            border-radius: var(--pa-radius-sm);
            border: 1px solid rgba(247, 243, 236, 0.25);
            background: rgba(247, 243, 236, 0.08);
            color: #F7F3EC;
            font-size: 0.85rem;
            outline: none;
            transition: all var(--pa-transition);
        }
        .pa-footer .footer-subscribe input::placeholder {
            color: rgba(247, 243, 236, 0.45);
        }
        .pa-footer .footer-subscribe input:focus {
            border-color: var(--pa-accent);
            background: rgba(247, 243, 236, 0.12);
        }
        .pa-footer .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding-top: 20px;
            border-top: 1px solid rgba(247, 243, 236, 0.12);
            font-size: 0.75rem;
            color: rgba(247, 243, 236, 0.5);
        }
        .pa-footer .footer-legal {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .pa-footer .footer-bottom a {
            color: rgba(247, 243, 236, 0.5);
        }
        .pa-footer .footer-bottom a:hover {
            color: var(--pa-accent);
        }
        /* 响应式 */
        @media (max-width: 991.98px) {
            .pa-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .pa-footer .footer-grid > div:first-child {
                grid-column: span 2;
            }
            .pa-timeline-card {
                flex-direction: column;
            }
            .pa-timeline-thumb {
                flex: 0 0 auto;
                width: 100%;
                height: 160px;
            }
            .pa-cta-card {
                flex-direction: column;
                text-align: left;
                align-items: flex-start;
            }
        }
        @media (max-width: 767.98px) {
            .pa-page-hero {
                min-height: 30vh;
                padding: 36px 0 28px;
            }
            .pa-timeline-section,
            .pa-scene-section,
            .pa-process-section,
            .pa-faq-section,
            .pa-cta-section {
                padding: 48px 0;
            }
            .pa-stat-item {
                padding: 8px;
            }
            .pa-stat-num {
                font-size: 1.6rem;
            }
            .pa-stat-item + .pa-stat-item::before {
                display: none;
            }
            .pa-timeline {
                padding-left: 26px;
            }
            .pa-timeline::before {
                left: 8px;
            }
            .pa-timeline-dot {
                left: -26px;
                top: 18px;
                width: 12px;
                height: 12px;
                border-width: 2px;
            }
            .pa-timeline-card {
                padding: 18px 20px;
            }
            .pa-cta-card {
                padding: 28px 24px;
            }
        }
        @media (max-width: 575.98px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .pa-nav-logo {
                font-size: 1.05rem;
            }
            .pa-nav-logo .logo-sub {
                display: none;
            }
            .pa-page-hero h1 {
                font-size: 1.5rem;
            }
            .pa-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .pa-footer .footer-grid > div:first-child {
                grid-column: span 1;
            }
            .pa-footer .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .pa-scene-grid {
                grid-template-columns: 1fr;
            }
            .pa-process-steps {
                grid-template-columns: 1fr;
            }
            .pa-timeline-thumb {
                height: 130px;
            }
        }
        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                animation-duration: 0.01ms !important;
                animation-iteration-count: 1 !important;
                transition-duration: 0.01ms !important;
                scroll-behavior: auto !important;
            }
            .pa-timeline-card:hover,
            .pa-scene-card:hover,
            .pa-btn-primary:hover,
            .pa-btn-accent:hover {
                transform: none;
            }
        }

/* roulang page: category5 */
:root {
            --pa-primary: #1F3B34;
            --pa-primary-dark: #162C26;
            --pa-primary-light: rgba(31, 59, 52, 0.10);
            --pa-accent: #C88242;
            --pa-accent-light: rgba(200, 130, 66, 0.12);
            --pa-bg: #F7F3EC;
            --pa-card-bg: #FFFDF9;
            --pa-text: #2A2A28;
            --pa-text-muted: #6E716E;
            --pa-text-light: #9BA09B;
            --pa-border: #E2DCD2;
            --pa-success: #5F7F5A;
            --pa-success-light: rgba(95, 127, 90, 0.15);
            --pa-radius-sm: 8px;
            --pa-radius-md: 10px;
            --pa-radius-lg: 12px;
            --pa-radius-pill: 30px;
            --pa-shadow-sm: 0 1px 3px rgba(31, 59, 52, 0.06);
            --pa-shadow-md: 0 4px 12px rgba(31, 59, 52, 0.10);
            --pa-shadow-lg: 0 8px 24px rgba(31, 59, 52, 0.12);
            --pa-transition: 220ms ease-out;
            --pa-font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Inter', 'SF Pro Display', system-ui, sans-serif;
            --pa-font-serif: 'Kaiti SC', 'STKaiti', 'Noto Serif SC', serif;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--pa-font-sans);
            background-color: var(--pa-bg);
            color: var(--pa-text);
            font-size: 16px;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            color: var(--pa-primary);
            text-decoration: none;
            transition: all var(--pa-transition);
        }

        a:hover {
            color: var(--pa-accent);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        a:focus-visible {
            outline: 2px solid rgba(31, 59, 52, 0.35);
            outline-offset: 2px;
        }

        .container {
            max-width: 1140px;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* 导航 */
        .pa-header {
            position: sticky;
            top: 0;
            z-index: 1030;
            background: rgba(247, 243, 236, 0.92);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--pa-border);
            padding: 12px 0;
        }

        .pa-header .navbar {
            padding: 0;
        }

        .pa-nav-logo {
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--pa-primary);
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }

        .pa-nav-logo:hover {
            color: var(--pa-primary-dark);
        }

        .pa-nav-logo .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            background: var(--pa-primary);
            color: var(--pa-bg);
            border-radius: 8px;
            font-size: 0.85rem;
            font-weight: 700;
            letter-spacing: 1px;
        }

        .pa-nav-logo .logo-sub {
            font-size: 0.65rem;
            font-weight: 600;
            color: var(--pa-text-muted);
            letter-spacing: 2px;
            margin-left: 4px;
        }

        .pa-nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
        }

        .pa-nav-links .nav-link {
            color: var(--pa-text);
            font-size: 0.875rem;
            font-weight: 500;
            padding: 8px 14px;
            border-radius: 6px;
            transition: all var(--pa-transition);
            position: relative;
            white-space: nowrap;
        }

        .pa-nav-links .nav-link::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 14px;
            right: 100%;
            height: 2px;
            background: var(--pa-accent);
            border-radius: 2px;
            transition: right var(--pa-transition);
        }

        .pa-nav-links .nav-link:hover::after,
        .pa-nav-links .nav-link.active::after {
            right: 14px;
        }

        .pa-nav-links .nav-link:hover {
            color: var(--pa-primary);
        }

        .pa-nav-links .nav-link.active {
            color: var(--pa-primary);
            font-weight: 600;
        }

        .pa-nav-chips {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .pa-chip {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 5px 14px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            white-space: nowrap;
            transition: all var(--pa-transition);
            border: 1px solid transparent;
        }

        .pa-chip-preheat {
            border-color: var(--pa-accent);
            background: var(--pa-accent-light);
            color: var(--pa-accent);
        }

        .pa-chip-preheat:hover {
            border-color: var(--pa-accent);
            background: rgba(200, 130, 66, 0.22);
        }

        .pa-chip-live {
            border-color: var(--pa-success);
            background: var(--pa-success);
            color: #F7F3EC;
        }

        .pa-chip-live:hover {
            background: #4E6A49;
            color: #F7F3EC;
        }

        .pa-chip-replay {
            border-color: #6E716E;
            background: transparent;
            color: #6E716E;
        }

        .pa-chip-replay:hover {
            background: rgba(110, 113, 110, 0.10);
            border-color: #6E716E;
            color: #6E716E;
        }

        .navbar-toggler {
            border: 1px solid var(--pa-border);
            border-radius: 6px;
            padding: 6px 10px;
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 2px rgba(31, 59, 52, 0.2);
            border-color: var(--pa-primary);
        }

        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%231F3B34' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        /* 面包屑 */
        .pa-breadcrumb {
            font-size: 0.8rem;
            color: var(--pa-text-muted);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }

        .pa-breadcrumb a {
            color: var(--pa-text-muted);
            transition: color var(--pa-transition);
        }

        .pa-breadcrumb a:hover {
            color: var(--pa-accent);
        }

        .pa-breadcrumb .separator {
            color: var(--pa-text-light);
            font-size: 0.7rem;
        }

        .pa-breadcrumb .current {
            color: var(--pa-primary);
            font-weight: 600;
        }

        /* 分类页Hero */
        .pa-page-hero {
            position: relative;
            min-height: 36vh;
            display: flex;
            align-items: flex-end;
            padding: 48px 0 56px;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            overflow: hidden;
        }

        .pa-page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(31, 59, 52, 0.82) 0%, rgba(31, 59, 52, 0.55) 50%, rgba(200, 130, 66, 0.35) 100%);
            z-index: 1;
        }

        .pa-page-hero .container {
            position: relative;
            z-index: 2;
        }

        .pa-page-hero .pa-breadcrumb {
            color: rgba(247, 243, 236, 0.7);
        }

        .pa-page-hero .pa-breadcrumb a {
            color: rgba(247, 243, 236, 0.7);
        }

        .pa-page-hero .pa-breadcrumb a:hover {
            color: var(--pa-accent);
        }

        .pa-page-hero .pa-breadcrumb .current {
            color: #F7F3EC;
        }

        .pa-page-hero .pa-breadcrumb .separator {
            color: rgba(247, 243, 236, 0.4);
        }

        .pa-page-hero h1 {
            font-size: clamp(2rem, 4vw, 2.8rem);
            font-weight: 800;
            color: #F7F3EC;
            line-height: 1.25;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }

        .pa-page-hero .hero-desc {
            font-size: 1.05rem;
            color: rgba(247, 243, 236, 0.85);
            max-width: 640px;
            line-height: 1.7;
            margin-bottom: 0;
        }

        .pa-page-hero .hero-meta {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
            margin-top: 20px;
        }

        .pa-page-hero .hero-meta-item {
            display: flex;
            align-items: center;
            gap: 8px;
            color: rgba(247, 243, 236, 0.75);
            font-size: 0.85rem;
            font-weight: 500;
        }

        .pa-page-hero .hero-meta-item i {
            color: var(--pa-accent);
            font-size: 0.9rem;
        }

        /* 板块通用 */
        .pa-section {
            padding: 72px 0;
        }

        .pa-section-alt {
            background: rgba(31, 59, 52, 0.03);
        }

        .pa-section-title {
            font-size: clamp(1.5rem, 3vw, 2rem);
            font-weight: 800;
            color: var(--pa-primary);
            margin-bottom: 8px;
            letter-spacing: 0.3px;
        }

        .pa-section-subtitle {
            font-size: 0.95rem;
            color: var(--pa-text-muted);
            margin-bottom: 40px;
            max-width: 600px;
            line-height: 1.7;
        }

        .pa-section-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 40px;
        }

        .pa-section-head .left {
            flex: 1;
            min-width: 280px;
        }

        .pa-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 2px;
            text-transform: uppercase;
            color: var(--pa-accent);
            margin-bottom: 10px;
        }

        .pa-eyebrow::before {
            content: '';
            width: 20px;
            height: 2px;
            background: var(--pa-accent);
            border-radius: 1px;
        }

        /* 按钮 */
        .pa-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--pa-radius-pill);
            font-size: 0.9rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            transition: all var(--pa-transition);
            border: none;
            cursor: pointer;
            white-space: nowrap;
        }

        .pa-btn-primary {
            background: var(--pa-primary);
            color: #F7F3EC;
        }

        .pa-btn-primary:hover {
            background: var(--pa-primary-dark);
            color: #F7F3EC;
            transform: translateY(-1px);
            box-shadow: var(--pa-shadow-md);
        }

        .pa-btn-outline {
            background: transparent;
            color: var(--pa-primary);
            border: 1px solid var(--pa-primary);
        }

        .pa-btn-outline:hover {
            background: var(--pa-primary-light);
            color: var(--pa-primary);
            transform: translateY(-1px);
        }

        .pa-btn-accent {
            background: var(--pa-accent);
            color: #FFFDF9;
        }

        .pa-btn-accent:hover {
            background: #B87338;
            color: #FFFDF9;
            transform: translateY(-1px);
            box-shadow: var(--pa-shadow-md);
        }

        /* 快速概览 */
        .pa-overview-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .pa-overview-item {
            background: var(--pa-card-bg);
            border: 1px solid var(--pa-border);
            border-radius: var(--pa-radius-md);
            padding: 24px 20px;
            text-align: center;
            transition: all var(--pa-transition);
            box-shadow: var(--pa-shadow-sm);
        }

        .pa-overview-item:hover {
            transform: translateY(-3px);
            box-shadow: var(--pa-shadow-md);
            border-color: rgba(31, 59, 52, 0.2);
        }

        .pa-overview-item .number {
            font-size: 2rem;
            font-weight: 800;
            color: var(--pa-primary);
            line-height: 1.2;
            letter-spacing: -0.5px;
        }

        .pa-overview-item .number span {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--pa-text-muted);
            letter-spacing: 0;
        }

        .pa-overview-item .label {
            font-size: 0.8rem;
            color: var(--pa-text-muted);
            margin-top: 6px;
            letter-spacing: 0.5px;
        }

        /* FAQ手风琴 */
        .pa-faq-wrap {
            max-width: 800px;
            margin: 0 auto;
        }

        .pa-accordion .accordion-item {
            background: transparent;
            border: none;
            border-bottom: 1px solid var(--pa-border);
            border-radius: 0;
        }

        .pa-accordion .accordion-item:first-child {
            border-top: 1px solid var(--pa-border);
        }

        .pa-accordion .accordion-header {
            margin: 0;
        }

        .pa-accordion .accordion-button {
            background: transparent;
            color: var(--pa-text);
            font-size: 1rem;
            font-weight: 600;
            padding: 20px 0;
            box-shadow: none;
            border: none;
            display: flex;
            align-items: center;
            gap: 12px;
            transition: all var(--pa-transition);
        }

        .pa-accordion .accordion-button::after {
            content: '\2b';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            background-image: none;
            width: 20px;
            height: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.85rem;
            color: var(--pa-primary);
            transition: transform var(--pa-transition);
            flex-shrink: 0;
            margin-left: auto;
        }

        .pa-accordion .accordion-button:not(.collapsed)::after {
            transform: rotate(45deg);
            color: var(--pa-accent);
        }

        .pa-accordion .accordion-button:focus {
            box-shadow: none;
            outline: none;
        }

        .pa-accordion .accordion-button:not(.collapsed) {
            color: var(--pa-primary);
            background: transparent;
            box-shadow: none;
        }

        .pa-accordion .accordion-button .faq-index {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--pa-primary-light);
            color: var(--pa-primary);
            font-size: 0.75rem;
            font-weight: 700;
            flex-shrink: 0;
        }

        .pa-accordion .accordion-button:not(.collapsed) .faq-index {
            background: var(--pa-accent-light);
            color: var(--pa-accent);
        }

        .pa-accordion .accordion-body {
            padding: 4px 0 20px 40px;
            font-size: 0.9rem;
            color: var(--pa-text-muted);
            line-height: 1.8;
        }

        /* 步骤指南 */
        .pa-steps {
            position: relative;
            max-width: 720px;
            margin: 0 auto;
            padding-left: 0;
        }

        .pa-step-item {
            position: relative;
            display: flex;
            gap: 24px;
            padding-bottom: 40px;
        }

        .pa-step-item:last-child {
            padding-bottom: 0;
        }

        .pa-step-item::before {
            content: '';
            position: absolute;
            left: 28px;
            top: 56px;
            bottom: 0;
            width: 1px;
            background: var(--pa-border);
        }

        .pa-step-item:last-child::before {
            display: none;
        }

        .pa-step-number {
            flex-shrink: 0;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--pa-card-bg);
            border: 2px solid var(--pa-primary);
            color: var(--pa-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.25rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            position: relative;
            z-index: 1;
            box-shadow: 0 0 0 6px var(--pa-bg);
        }

        .pa-step-item.completed .pa-step-number {
            background: var(--pa-primary);
            color: #F7F3EC;
            border-color: var(--pa-primary);
        }

        .pa-step-content {
            flex: 1;
            padding-top: 8px;
        }

        .pa-step-content .step-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--pa-primary);
            margin-bottom: 6px;
        }

        .pa-step-content .step-desc {
            font-size: 0.9rem;
            color: var(--pa-text-muted);
            line-height: 1.75;
            margin-bottom: 0;
        }

        .pa-step-content .step-tag {
            display: inline-block;
            padding: 3px 10px;
            border-radius: 12px;
            font-size: 0.7rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 8px;
        }

        .pa-step-content .step-tag.tag-prep {
            background: var(--pa-accent-light);
            color: var(--pa-accent);
        }

        .pa-step-content .step-tag.tag-action {
            background: var(--pa-success-light);
            color: var(--pa-success);
        }

        /* 场景说明卡片 */
        .pa-scenario-card {
            background: var(--pa-card-bg);
            border: 1px solid var(--pa-border);
            border-radius: var(--pa-radius-lg);
            overflow: hidden;
            box-shadow: var(--pa-shadow-sm);
            transition: all var(--pa-transition);
            height: 100%;
        }

        .pa-scenario-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--pa-shadow-lg);
            border-color: rgba(31, 59, 52, 0.2);
        }

        .pa-scenario-card .card-img-wrap {
            height: 200px;
            overflow: hidden;
            position: relative;
        }

        .pa-scenario-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--pa-transition);
        }

        .pa-scenario-card:hover .card-img-wrap img {
            transform: scale(1.04);
        }

        .pa-scenario-card .card-body {
            padding: 24px;
        }

        .pa-scenario-card .card-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--pa-primary);
            margin-bottom: 8px;
        }

        .pa-scenario-card .card-text {
            font-size: 0.875rem;
            color: var(--pa-text-muted);
            line-height: 1.7;
            margin-bottom: 12px;
        }

        .pa-scenario-card .card-meta {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            font-size: 0.75rem;
            color: var(--pa-text-light);
        }

        .pa-scenario-card .card-meta span {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        /* CTA区块 */
        .pa-cta-section {
            background: var(--pa-primary);
            border-radius: var(--pa-radius-lg);
            padding: 56px 48px;
            position: relative;
            overflow: hidden;
        }

        .pa-cta-section::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(200, 130, 66, 0.15);
        }

        .pa-cta-section::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: -30px;
            width: 160px;
            height: 160px;
            border-radius: 50%;
            background: rgba(247, 243, 236, 0.06);
        }

        .pa-cta-section .cta-content {
            position: relative;
            z-index: 1;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 24px;
        }

        .pa-cta-section .cta-text h2 {
            font-size: 1.6rem;
            font-weight: 800;
            color: #F7F3EC;
            margin-bottom: 8px;
            letter-spacing: 0.3px;
        }

        .pa-cta-section .cta-text p {
            color: rgba(247, 243, 236, 0.75);
            font-size: 0.95rem;
            margin-bottom: 0;
            max-width: 480px;
        }

        .pa-cta-section .cta-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        /* 页脚 */
        .pa-footer {
            background: var(--pa-primary);
            color: rgba(247, 243, 236, 0.7);
            padding: 56px 0 24px;
            margin-top: 72px;
        }

        .pa-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.3fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .pa-footer .footer-logo {
            font-size: 1.15rem;
            font-weight: 800;
            color: #F7F3EC;
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 16px;
        }

        .pa-footer .footer-logo:hover {
            color: var(--pa-accent);
        }

        .pa-footer .footer-logo .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            background: var(--pa-accent);
            color: #F7F3EC;
            border-radius: 6px;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 1px;
        }

        .pa-footer .footer-desc {
            font-size: 0.85rem;
            line-height: 1.7;
            color: rgba(247, 243, 236, 0.6);
            margin-bottom: 0;
        }

        .pa-footer h5 {
            font-size: 0.9rem;
            font-weight: 700;
            color: #F7F3EC;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }

        .pa-footer .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .pa-footer .footer-links li {
            margin-bottom: 10px;
        }

        .pa-footer .footer-links a {
            color: rgba(247, 243, 236, 0.7);
            font-size: 0.85rem;
            transition: all var(--pa-transition);
        }

        .pa-footer .footer-links a:hover {
            color: var(--pa-accent);
            padding-left: 4px;
        }

        .pa-footer .footer-subscribe {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }

        .pa-footer .footer-subscribe input {
            flex: 1;
            min-width: 160px;
            padding: 8px 16px;
            border-radius: var(--pa-radius-pill);
            border: 1px solid rgba(247, 243, 236, 0.25);
            background: rgba(247, 243, 236, 0.08);
            color: #F7F3EC;
            font-size: 0.85rem;
            transition: all var(--pa-transition);
        }

        .pa-footer .footer-subscribe input::placeholder {
            color: rgba(247, 243, 236, 0.4);
        }

        .pa-footer .footer-subscribe input:focus {
            outline: none;
            border-color: var(--pa-accent);
            background: rgba(247, 243, 236, 0.12);
            box-shadow: 0 0 0 3px rgba(200, 130, 66, 0.2);
        }

        .pa-footer .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding-top: 24px;
            border-top: 1px solid rgba(247, 243, 236, 0.12);
            font-size: 0.75rem;
            color: rgba(247, 243, 236, 0.5);
        }

        .pa-footer .footer-legal {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .pa-footer .footer-bottom a {
            color: rgba(247, 243, 236, 0.5);
        }

        .pa-footer .footer-bottom a:hover {
            color: var(--pa-accent);
        }

        /* 响应式 */
        @media (max-width: 991.98px) {
            .pa-nav-chips {
                margin-top: 12px;
                padding-top: 12px;
                border-top: 1px solid var(--pa-border);
                width: 100%;
            }

            .pa-nav-links {
                width: 100%;
                flex-direction: column;
                align-items: flex-start;
                gap: 0;
            }

            .pa-nav-links .nav-link {
                width: 100%;
                padding: 10px 12px;
            }

            .pa-overview-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }

            .pa-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }

            .pa-cta-section {
                padding: 40px 32px;
            }
        }

        @media (max-width: 767.98px) {
            .pa-section {
                padding: 48px 0;
            }

            .pa-page-hero {
                min-height: 32vh;
                padding: 36px 0 40px;
            }

            .pa-page-hero .hero-meta {
                gap: 12px;
            }

            .pa-overview-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }

            .pa-overview-item {
                padding: 18px 14px;
            }

            .pa-overview-item .number {
                font-size: 1.5rem;
            }

            .pa-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .pa-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
            }

            .pa-footer .footer-legal {
                justify-content: center;
            }

            .pa-cta-section .cta-content {
                flex-direction: column;
                text-align: center;
            }

            .pa-cta-section .cta-actions {
                justify-content: center;
            }

            .pa-step-item {
                gap: 16px;
                padding-bottom: 32px;
            }

            .pa-step-item::before {
                left: 22px;
                top: 48px;
            }

            .pa-step-number {
                width: 44px;
                height: 44px;
                font-size: 1rem;
            }

            .pa-accordion .accordion-body {
                padding-left: 32px;
                font-size: 0.85rem;
            }

            .pa-accordion .accordion-button {
                font-size: 0.9rem;
                padding: 16px 0;
            }
        }

        @media (max-width: 519.98px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .pa-page-hero h1 {
                font-size: 1.6rem;
            }

            .pa-page-hero .hero-desc {
                font-size: 0.9rem;
                line-height: 1.6;
            }

            .pa-overview-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }

            .pa-overview-item {
                padding: 14px 10px;
            }

            .pa-overview-item .number {
                font-size: 1.25rem;
            }

            .pa-overview-item .label {
                font-size: 0.7rem;
            }

            .pa-cta-section {
                padding: 32px 20px;
                border-radius: var(--pa-radius-md);
            }

            .pa-cta-section .cta-text h2 {
                font-size: 1.3rem;
            }

            .pa-btn {
                padding: 10px 22px;
                font-size: 0.85rem;
            }
        }

        @media (prefers-reduced-motion: reduce) {
            html {
                scroll-behavior: auto;
            }

            *,
            *::before,
            *::after {
                animation-duration: 0.01ms !important;
                animation-iteration-count: 1 !important;
                transition-duration: 0.01ms !important;
            }
        }

/* roulang page: category6 */
:root {
            --pa-primary: #1F3B34;
            --pa-primary-dark: #162C26;
            --pa-primary-light: rgba(31, 59, 52, 0.10);
            --pa-accent: #C88242;
            --pa-accent-light: rgba(200, 130, 66, 0.12);
            --pa-bg: #F7F3EC;
            --pa-card-bg: #FFFDF9;
            --pa-text: #2A2A28;
            --pa-text-muted: #6E716E;
            --pa-text-light: #9BA09B;
            --pa-border: #E2DCD2;
            --pa-success: #5F7F5A;
            --pa-success-light: rgba(95, 127, 90, 0.15);
            --pa-radius-sm: 8px;
            --pa-radius-md: 10px;
            --pa-radius-lg: 12px;
            --pa-radius-pill: 30px;
            --pa-shadow-sm: 0 1px 3px rgba(31, 59, 52, 0.06);
            --pa-shadow-md: 0 4px 12px rgba(31, 59, 52, 0.10);
            --pa-shadow-lg: 0 8px 24px rgba(31, 59, 52, 0.12);
            --pa-transition: 220ms ease-out;
            --pa-font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Inter', 'SF Pro Display', system-ui, sans-serif;
            --pa-font-serif: 'Kaiti SC', 'STKaiti', 'Noto Serif SC', serif;
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--pa-font-sans);
            background-color: var(--pa-bg);
            color: var(--pa-text);
            font-size: 16px;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
            padding: 0;
        }

        a {
            color: var(--pa-primary);
            text-decoration: none;
            transition: all var(--pa-transition);
        }

        a:hover {
            color: var(--pa-accent);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        a:focus-visible {
            outline: 2px solid rgba(31, 59, 52, 0.35);
            outline-offset: 2px;
        }

        .container {
            max-width: 1140px;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* 导航 */
        .pa-header {
            position: sticky;
            top: 0;
            z-index: 1030;
            background: rgba(247, 243, 236, 0.92);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--pa-border);
            padding: 12px 0;
        }

        .pa-header .navbar {
            padding: 0;
        }

        .pa-nav-logo {
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--pa-primary);
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }

        .pa-nav-logo:hover {
            color: var(--pa-primary-dark);
        }

        .pa-nav-logo .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            background: var(--pa-primary);
            color: var(--pa-bg);
            border-radius: 8px;
            font-size: 0.85rem;
            font-weight: 700;
            letter-spacing: 1px;
        }

        .pa-nav-logo .logo-sub {
            font-size: 0.65rem;
            font-weight: 600;
            color: var(--pa-text-muted);
            letter-spacing: 2px;
            margin-left: 4px;
        }

        .pa-nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
        }

        .pa-nav-links .nav-link {
            color: var(--pa-text);
            font-size: 0.875rem;
            font-weight: 500;
            padding: 8px 14px;
            border-radius: 6px;
            transition: all var(--pa-transition);
            position: relative;
            white-space: nowrap;
        }

        .pa-nav-links .nav-link::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 14px;
            right: 100%;
            height: 2px;
            background: var(--pa-accent);
            border-radius: 2px;
            transition: right var(--pa-transition);
        }

        .pa-nav-links .nav-link:hover::after,
        .pa-nav-links .nav-link.active::after {
            right: 14px;
        }

        .pa-nav-links .nav-link:hover {
            color: var(--pa-primary);
        }

        .pa-nav-links .nav-link.active {
            color: var(--pa-primary);
            font-weight: 600;
        }

        .pa-nav-chips {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .pa-chip {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 5px 14px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            white-space: nowrap;
            transition: all var(--pa-transition);
            border: 1px solid transparent;
        }

        .pa-chip-preheat {
            border-color: var(--pa-accent);
            background: var(--pa-accent-light);
            color: var(--pa-accent);
        }

        .pa-chip-preheat:hover {
            border-color: var(--pa-accent);
            background: rgba(200, 130, 66, 0.22);
        }

        .pa-chip-live {
            border-color: var(--pa-success);
            background: var(--pa-success);
            color: #F7F3EC;
        }

        .pa-chip-live:hover {
            background: #4E6A49;
            color: #F7F3EC;
        }

        .pa-chip-replay {
            border-color: #6E716E;
            background: transparent;
            color: #6E716E;
        }

        .pa-chip-replay:hover {
            background: rgba(110, 113, 110, 0.10);
            border-color: #6E716E;
            color: #6E716E;
        }

        .navbar-toggler {
            border: 1px solid var(--pa-border);
            background: var(--pa-card-bg);
            border-radius: 6px;
            padding: 6px 10px;
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(31, 59, 52, 0.15);
            border-color: var(--pa-primary);
        }

        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%231F3B34' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
            width: 1.25em;
            height: 1.25em;
        }

        /* 面包屑 */
        .pa-breadcrumb-wrap {
            padding: 20px 0 0;
        }

        .pa-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.82rem;
            color: var(--pa-text-muted);
            flex-wrap: wrap;
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .pa-breadcrumb li {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .pa-breadcrumb li:not(:last-child)::after {
            content: '/';
            color: var(--pa-text-light);
            margin-left: 4px;
        }

        .pa-breadcrumb a {
            color: var(--pa-text-muted);
            transition: color var(--pa-transition);
        }

        .pa-breadcrumb a:hover {
            color: var(--pa-accent);
        }

        .pa-breadcrumb .current {
            color: var(--pa-primary);
            font-weight: 600;
        }

        /* Hero */
        .pa-hero-inner {
            padding: 32px 0 40px;
            background: linear-gradient(180deg, rgba(31,59,52,0.04) 0%, rgba(247,243,236,0) 100%);
        }

        .pa-hero-inner h1 {
            font-size: clamp(1.8rem, 4vw, 2.6rem);
            font-weight: 800;
            line-height: 1.3;
            color: var(--pa-primary);
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }

        .pa-hero-inner .pa-hero-desc {
            font-size: 1.05rem;
            color: var(--pa-text-muted);
            max-width: 720px;
            line-height: 1.8;
            margin-bottom: 0;
        }

        /* 图册画廊 */
        .pa-gallery-section {
            padding: 56px 0 72px;
        }

        .pa-section-title {
            font-size: clamp(1.4rem, 3vw, 1.8rem);
            font-weight: 800;
            color: var(--pa-primary);
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }

        .pa-section-intro {
            font-size: 0.95rem;
            color: var(--pa-text-muted);
            max-width: 700px;
            line-height: 1.8;
            margin-bottom: 32px;
        }

        .pa-gallery-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }

        .pa-gallery-item {
            background: var(--pa-card-bg);
            border: 1px solid var(--pa-border);
            border-radius: var(--pa-radius-md);
            overflow: hidden;
            box-shadow: var(--pa-shadow-sm);
            transition: all var(--pa-transition);
            cursor: pointer;
        }

        .pa-gallery-item:hover {
            box-shadow: var(--pa-shadow-lg);
            transform: translateY(-3px);
            border-color: rgba(31, 59, 52, 0.25);
        }

        .pa-gallery-item .pa-gallery-img {
            width: 100%;
            height: 220px;
            object-fit: cover;
            background: var(--pa-border);
        }

        .pa-gallery-item .pa-gallery-body {
            padding: 16px 18px 18px;
        }

        .pa-gallery-item .pa-gallery-tag {
            display: inline-block;
            font-size: 0.7rem;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 20px;
            background: var(--pa-primary-light);
            color: var(--pa-primary);
            margin-bottom: 8px;
            letter-spacing: 0.5px;
        }

        .pa-gallery-item .pa-gallery-name {
            font-size: 1rem;
            font-weight: 700;
            color: var(--pa-text);
            margin-bottom: 6px;
            line-height: 1.4;
        }

        .pa-gallery-item .pa-gallery-desc {
            font-size: 0.82rem;
            color: var(--pa-text-muted);
            line-height: 1.65;
            margin-bottom: 0;
        }

        /* 特色卡片 */
        .pa-features-section {
            padding: 56px 0 72px;
            background: rgba(31, 59, 52, 0.03);
            border-top: 1px solid var(--pa-border);
            border-bottom: 1px solid var(--pa-border);
        }

        .pa-feature-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .pa-feature-card {
            background: var(--pa-card-bg);
            border: 1px solid var(--pa-border);
            border-radius: var(--pa-radius-md);
            padding: 24px 20px;
            text-align: center;
            box-shadow: var(--pa-shadow-sm);
            transition: all var(--pa-transition);
        }

        .pa-feature-card:hover {
            box-shadow: var(--pa-shadow-md);
            transform: translateY(-2px);
            border-color: rgba(31, 59, 52, 0.2);
        }

        .pa-feature-icon {
            width: 44px;
            height: 44px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--pa-primary-light);
            color: var(--pa-primary);
            border-radius: 50%;
            margin: 0 auto 12px;
            font-size: 1.1rem;
        }

        .pa-feature-card h3 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--pa-text);
            margin-bottom: 8px;
        }

        .pa-feature-card p {
            font-size: 0.82rem;
            color: var(--pa-text-muted);
            line-height: 1.6;
            margin-bottom: 0;
        }

        /* 流程 */
        .pa-process-section {
            padding: 56px 0 72px;
        }

        .pa-process-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }

        .pa-process-item {
            display: flex;
            gap: 20px;
            position: relative;
            padding-bottom: 32px;
        }

        .pa-process-item:not(:last-child)::before {
            content: '';
            position: absolute;
            left: 23px;
            top: 48px;
            bottom: 0;
            width: 2px;
            background: var(--pa-border);
        }

        .pa-process-num {
            width: 48px;
            height: 48px;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--pa-primary);
            color: var(--pa-bg);
            border-radius: 50%;
            font-size: 1.15rem;
            font-weight: 800;
            z-index: 1;
        }

        .pa-process-content h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--pa-text);
            margin-bottom: 6px;
        }

        .pa-process-content p {
            font-size: 0.88rem;
            color: var(--pa-text-muted);
            margin-bottom: 0;
            max-width: 600px;
            line-height: 1.7;
        }

        /* 场景标签云 */
        .pa-scene-section {
            padding: 56px 0 72px;
            background: rgba(31, 59, 52, 0.03);
            border-top: 1px solid var(--pa-border);
            border-bottom: 1px solid var(--pa-border);
        }

        .pa-scene-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .pa-scene-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            border-radius: var(--pa-radius-pill);
            background: var(--pa-card-bg);
            border: 1px solid var(--pa-border);
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--pa-text);
            transition: all var(--pa-transition);
        }

        .pa-scene-tag:hover {
            border-color: var(--pa-accent);
            color: var(--pa-accent);
            background: var(--pa-accent-light);
        }

        /* FAQ */
        .pa-faq-section {
            padding: 56px 0 72px;
        }

        .pa-faq-wrap {
            max-width: 800px;
            margin: 0 auto;
        }

        .pa-accordion .accordion-item {
            background: transparent;
            border: none;
            border-bottom: 1px solid var(--pa-border);
            border-radius: 0 !important;
        }

        .pa-accordion .accordion-button {
            background: transparent;
            border: none;
            box-shadow: none !important;
            font-size: 1rem;
            font-weight: 700;
            color: var(--pa-text);
            padding: 18px 0;
            text-align: left;
            width: 100%;
            cursor: pointer;
            transition: all var(--pa-transition);
            position: relative;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
        }

        .pa-accordion .accordion-button::after {
            content: '+';
            font-size: 1.4rem;
            font-weight: 400;
            color: var(--pa-primary);
            transition: transform var(--pa-transition);
            position: static;
            transform: rotate(0deg);
            background: none;
            width: auto;
            height: auto;
            flex-shrink: 0;
        }

        .pa-accordion .accordion-button:not(.collapsed)::after {
            content: '+';
            transform: rotate(45deg);
        }

        .pa-accordion .accordion-button:hover {
            color: var(--pa-accent);
        }

        .pa-accordion .accordion-body {
            padding: 0 0 18px;
            font-size: 0.88rem;
            color: var(--pa-text-muted);
            line-height: 1.75;
        }

        /* CTA */
        .pa-cta-section {
            padding: 64px 0 72px;
            background: var(--pa-primary);
            border-radius: 0;
        }

        .pa-cta-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
        }

        .pa-cta-text h2 {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--pa-bg);
            margin-bottom: 10px;
            letter-spacing: -0.3px;
        }

        .pa-cta-text p {
            color: rgba(247, 243, 236, 0.75);
            margin-bottom: 0;
            max-width: 500px;
            font-size: 0.92rem;
            line-height: 1.7;
        }

        .pa-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--pa-radius-pill);
            font-size: 0.9rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            transition: all var(--pa-transition);
            border: 1px solid transparent;
            cursor: pointer;
            white-space: nowrap;
        }

        .pa-btn-accent {
            background: var(--pa-accent);
            color: #F7F3EC;
            border-color: var(--pa-accent);
        }

        .pa-btn-accent:hover {
            background: #B87537;
            border-color: #B87537;
            color: #F7F3EC;
            transform: translateY(-2px);
        }

        .pa-btn-outline-light {
            background: transparent;
            color: var(--pa-bg);
            border-color: rgba(247, 243, 236, 0.5);
        }

        .pa-btn-outline-light:hover {
            background: rgba(247, 243, 236, 0.15);
            border-color: var(--pa-bg);
            color: var(--pa-bg);
        }

        /* 页脚 */
        .pa-footer {
            background: var(--pa-primary);
            color: var(--pa-bg);
            padding: 56px 0 28px;
        }

        .pa-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 36px;
        }

        .pa-footer .footer-logo {
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--pa-bg);
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 14px;
        }

        .pa-footer .footer-logo .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 30px;
            height: 30px;
            background: var(--pa-bg);
            color: var(--pa-primary);
            border-radius: 7px;
            font-size: 0.8rem;
            font-weight: 700;
        }

        .pa-footer .footer-desc {
            font-size: 0.82rem;
            color: rgba(247, 243, 236, 0.65);
            line-height: 1.7;
            margin-bottom: 0;
        }

        .pa-footer h5 {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--pa-bg);
            margin-bottom: 12px;
        }

        .pa-footer .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .pa-footer .footer-links li {
            margin-bottom: 8px;
        }

        .pa-footer .footer-links a {
            color: rgba(247, 243, 236, 0.7);
            font-size: 0.85rem;
            transition: all var(--pa-transition);
        }

        .pa-footer .footer-links a:hover {
            color: var(--pa-accent);
        }

        .pa-footer .footer-subscribe {
            display: flex;
            gap: 8px;
        }

        .pa-footer .footer-subscribe input {
            flex: 1;
            min-width: 140px;
            padding: 8px 14px;
            border-radius: 6px;
            border: 1px solid rgba(247, 243, 236, 0.3);
            background: rgba(247, 243, 236, 0.1);
            color: var(--pa-bg);
            font-size: 0.85rem;
        }

        .pa-footer .footer-subscribe input::placeholder {
            color: rgba(247, 243, 236, 0.5);
        }

        .pa-footer .footer-subscribe input:focus {
            outline: 2px solid rgba(200, 130, 66, 0.6);
            border-color: var(--pa-accent);
        }

        .pa-footer .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            padding-top: 20px;
            border-top: 1px solid rgba(247, 243, 236, 0.15);
            font-size: 0.78rem;
            color: rgba(247, 243, 236, 0.55);
        }

        .pa-footer .footer-legal {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .pa-footer .footer-bottom a {
            color: rgba(247, 243, 236, 0.65);
            transition: color var(--pa-transition);
        }

        .pa-footer .footer-bottom a:hover {
            color: var(--pa-accent);
        }

        /* 响应式 */
        @media (max-width: 992px) {
            .pa-gallery-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .pa-feature-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .pa-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .pa-hero-inner {
                padding: 24px 0 32px;
            }

            .pa-hero-inner h1 {
                font-size: 1.5rem;
            }

            .pa-gallery-section,
            .pa-features-section,
            .pa-process-section,
            .pa-scene-section,
            .pa-faq-section {
                padding: 40px 0 48px;
            }

            .pa-cta-section {
                padding: 48px 0 56px;
            }

            .pa-gallery-grid {
                grid-template-columns: 1fr;
            }

            .pa-feature-grid {
                grid-template-columns: 1fr 1fr;
            }

            .pa-cta-inner {
                flex-direction: column;
                text-align: center;
            }

            .pa-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .pa-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }

            .pa-footer .footer-legal {
                flex-direction: column;
                gap: 4px;
            }
        }

        @media (max-width: 520px) {
            .pa-feature-grid {
                grid-template-columns: 1fr;
            }

            .pa-gallery-item .pa-gallery-img {
                height: 180px;
            }

            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .pa-nav-links .nav-link {
                font-size: 0.82rem;
                padding: 6px 10px;
            }
        }

        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                animation-duration: 0.01ms !important;
                animation-iteration-count: 1 !important;
                transition-duration: 0.01ms !important;
                scroll-behavior: auto !important;
            }

            .pa-gallery-item:hover,
            .pa-feature-card:hover {
                transform: none;
            }
        }

/* roulang page: category7 */
:root {
            --pa-primary: #1F3B34;
            --pa-primary-dark: #162C26;
            --pa-primary-light: rgba(31, 59, 52, 0.10);
            --pa-accent: #C88242;
            --pa-accent-light: rgba(200, 130, 66, 0.12);
            --pa-bg: #F7F3EC;
            --pa-card-bg: #FFFDF9;
            --pa-text: #2A2A28;
            --pa-text-muted: #6E716E;
            --pa-text-light: #9BA09B;
            --pa-border: #E2DCD2;
            --pa-success: #5F7F5A;
            --pa-success-light: rgba(95, 127, 90, 0.15);
            --pa-radius-sm: 8px;
            --pa-radius-md: 10px;
            --pa-radius-lg: 12px;
            --pa-radius-pill: 30px;
            --pa-shadow-sm: 0 1px 3px rgba(31, 59, 52, 0.06);
            --pa-shadow-md: 0 4px 12px rgba(31, 59, 52, 0.10);
            --pa-shadow-lg: 0 8px 24px rgba(31, 59, 52, 0.12);
            --pa-transition: 220ms ease-out;
            --pa-font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Inter', 'SF Pro Display', system-ui, sans-serif;
            --pa-font-serif: 'Kaiti SC', 'STKaiti', 'Noto Serif SC', serif;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--pa-font-sans);
            background-color: var(--pa-bg);
            color: var(--pa-text);
            font-size: 16px;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            color: var(--pa-primary);
            text-decoration: none;
            transition: all var(--pa-transition);
        }

        a:hover {
            color: var(--pa-accent);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        a:focus-visible {
            outline: 2px solid rgba(31, 59, 52, 0.35);
            outline-offset: 2px;
        }

        .container {
            max-width: 1140px;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* 导航 */
        .pa-header {
            position: sticky;
            top: 0;
            z-index: 1030;
            background: rgba(247, 243, 236, 0.92);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--pa-border);
            padding: 12px 0;
        }

        .pa-header .navbar {
            padding: 0;
        }

        .pa-nav-logo {
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--pa-primary);
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }

        .pa-nav-logo:hover {
            color: var(--pa-primary-dark);
        }

        .pa-nav-logo .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            background: var(--pa-primary);
            color: var(--pa-bg);
            border-radius: 8px;
            font-size: 0.85rem;
            font-weight: 700;
            letter-spacing: 1px;
        }

        .pa-nav-logo .logo-sub {
            font-size: 0.65rem;
            font-weight: 600;
            color: var(--pa-text-muted);
            letter-spacing: 2px;
            margin-left: 4px;
        }

        .pa-nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
        }

        .pa-nav-links .nav-link {
            color: var(--pa-text);
            font-size: 0.875rem;
            font-weight: 500;
            padding: 8px 14px;
            border-radius: 6px;
            transition: all var(--pa-transition);
            position: relative;
            white-space: nowrap;
        }

        .pa-nav-links .nav-link::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 14px;
            right: 100%;
            height: 2px;
            background: var(--pa-accent);
            border-radius: 2px;
            transition: right var(--pa-transition);
        }

        .pa-nav-links .nav-link:hover::after,
        .pa-nav-links .nav-link.active::after {
            right: 14px;
        }

        .pa-nav-links .nav-link:hover {
            color: var(--pa-primary);
        }

        .pa-nav-links .nav-link.active {
            color: var(--pa-primary);
            font-weight: 600;
        }

        .pa-nav-chips {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .pa-chip {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 5px 14px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            white-space: nowrap;
            transition: all var(--pa-transition);
            border: 1px solid transparent;
        }

        .pa-chip-preheat {
            border-color: var(--pa-accent);
            background: var(--pa-accent-light);
            color: var(--pa-accent);
        }

        .pa-chip-preheat:hover {
            border-color: var(--pa-accent);
            background: rgba(200, 130, 66, 0.22);
        }

        .pa-chip-live {
            border-color: var(--pa-success);
            background: var(--pa-success);
            color: #F7F3EC;
        }

        .pa-chip-live:hover {
            background: #4E6A49;
            color: #F7F3EC;
        }

        .pa-chip-replay {
            border-color: #6E716E;
            background: transparent;
            color: #6E716E;
        }

        .pa-chip-replay:hover {
            background: rgba(110, 113, 110, 0.10);
            border-color: #6E716E;
            color: #6E716E;
        }

        .navbar-toggler {
            border: 1px solid var(--pa-border);
            background: var(--pa-card-bg);
            border-radius: 8px;
            padding: 6px 10px;
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(31, 59, 52, 0.15);
            outline: none;
        }

        .navbar-toggler-icon {
            background-image: none;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--pa-primary);
            font-size: 1.2rem;
            line-height: 1;
        }

        .navbar-toggler-icon::before {
            content: '\f0c9';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
        }

        /* 面包屑 */
        .pa-breadcrumb {
            font-size: 0.85rem;
            color: var(--pa-text-muted);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }

        .pa-breadcrumb a {
            color: var(--pa-text-muted);
        }

        .pa-breadcrumb a:hover {
            color: var(--pa-accent);
        }

        .pa-breadcrumb .separator {
            color: var(--pa-text-light);
        }

        .pa-breadcrumb .current {
            color: var(--pa-primary);
            font-weight: 600;
        }

        /* 内页 Hero */
        .pa-page-hero {
            position: relative;
            padding: 56px 0 48px;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            min-height: 34vh;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .pa-page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(247, 243, 236, 0.88);
            z-index: 1;
        }

        .pa-page-hero .container {
            position: relative;
            z-index: 2;
        }

        .pa-page-hero h1 {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--pa-primary);
            line-height: 1.25;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }

        .pa-page-hero .hero-desc {
            font-size: 1.05rem;
            color: var(--pa-text-muted);
            max-width: 720px;
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* 数据指标条 */
        .pa-metrics-bar {
            padding: 32px 0;
            background: var(--pa-card-bg);
            border-bottom: 1px solid var(--pa-border);
            border-top: 1px solid var(--pa-border);
        }

        .pa-metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .pa-metric-item {
            text-align: center;
            padding: 8px 12px;
            position: relative;
        }

        .pa-metric-item:not(:last-child)::after {
            content: '';
            position: absolute;
            right: -12px;
            top: 50%;
            transform: translateY(-50%);
            width: 1px;
            height: 48px;
            background: var(--pa-border);
        }

        .pa-metric-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--pa-primary);
            line-height: 1.2;
            letter-spacing: -0.5px;
        }

        .pa-metric-unit {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--pa-text-muted);
            margin-left: 2px;
        }

        .pa-metric-label {
            font-size: 0.82rem;
            color: var(--pa-text-muted);
            letter-spacing: 1px;
            margin-top: 4px;
        }

        /* 分层列表 */
        .pa-tier-section {
            padding: 64px 0;
        }

        .pa-section-heading {
            margin-bottom: 40px;
        }

        .pa-section-heading h2 {
            font-size: 1.75rem;
            font-weight: 800;
            color: var(--pa-primary);
            margin-bottom: 8px;
        }

        .pa-section-heading p {
            color: var(--pa-text-muted);
            font-size: 1rem;
            margin-bottom: 0;
        }

        .pa-tier-card {
            background: var(--pa-card-bg);
            border: 1px solid var(--pa-border);
            border-radius: var(--pa-radius-lg);
            padding: 28px 24px;
            margin-bottom: 20px;
            box-shadow: var(--pa-shadow-sm);
            transition: all var(--pa-transition);
            position: relative;
            overflow: hidden;
        }

        .pa-tier-card:hover {
            box-shadow: var(--pa-shadow-lg);
            transform: translateY(-3px);
            border-color: rgba(31, 59, 52, 0.25);
        }

        .pa-tier-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background: var(--pa-primary);
            border-radius: 4px 0 0 4px;
        }

        .pa-tier-card.tier-2::before {
            background: var(--pa-accent);
        }

        .pa-tier-card.tier-3::before {
            background: var(--pa-success);
        }

        .pa-tier-header {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
            margin-bottom: 20px;
        }

        .pa-tier-name {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--pa-primary);
            margin-right: 4px;
        }

        .pa-tier-tag {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 4px 14px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            border: 1px solid var(--pa-border);
            background: var(--pa-bg);
            color: var(--pa-text-muted);
        }

        .pa-tier-tag.hot {
            border-color: var(--pa-accent);
            background: var(--pa-accent-light);
            color: var(--pa-accent);
        }

        .pa-tier-tag.limited {
            border-color: var(--pa-success);
            background: var(--pa-success-light);
            color: var(--pa-success);
        }

        .pa-tier-benefits {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }

        .pa-benefit-item {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 12px 14px;
            background: var(--pa-bg);
            border-radius: var(--pa-radius-sm);
            border: 1px solid var(--pa-border);
            transition: all var(--pa-transition);
        }

        .pa-benefit-item:hover {
            border-color: rgba(31, 59, 52, 0.3);
            background: var(--pa-card-bg);
        }

        .pa-benefit-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 6px;
            background: var(--pa-primary-light);
            color: var(--pa-primary);
            font-size: 0.9rem;
        }

        .pa-benefit-text h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--pa-text);
            margin-bottom: 4px;
        }

        .pa-benefit-text p {
            font-size: 0.85rem;
            color: var(--pa-text-muted);
            margin-bottom: 0;
            line-height: 1.6;
        }

        /* 权益亮点 */
        .pa-highlight-section {
            padding: 64px 0;
        }

        .pa-highlight-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .pa-highlight-image {
            border-radius: var(--pa-radius-lg);
            overflow: hidden;
            box-shadow: var(--pa-shadow-md);
            position: relative;
        }

        .pa-highlight-image img {
            width: 100%;
            height: 320px;
            object-fit: cover;
            transition: transform 260ms ease-out;
        }

        .pa-highlight-image:hover img {
            transform: scale(1.03);
        }

        .pa-highlight-image::after {
            content: 'PA真人 · 会员专属';
            position: absolute;
            bottom: 16px;
            left: 16px;
            background: rgba(31, 59, 52, 0.85);
            color: #F7F3EC;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 20px;
            letter-spacing: 1px;
        }

        .pa-highlight-text h2 {
            font-size: 1.65rem;
            font-weight: 800;
            color: var(--pa-primary);
            margin-bottom: 16px;
        }

        .pa-highlight-text p {
            color: var(--pa-text-muted);
            font-size: 0.95rem;
            line-height: 1.8;
            margin-bottom: 16px;
        }

        .pa-highlight-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .pa-highlight-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 8px 0;
            font-size: 0.9rem;
            color: var(--pa-text);
        }

        .pa-highlight-list li i {
            color: var(--pa-success);
            margin-top: 4px;
            flex-shrink: 0;
        }

        /* FAQ */
        .pa-faq-section {
            padding: 64px 0;
            background: var(--pa-card-bg);
            border-top: 1px solid var(--pa-border);
            border-bottom: 1px solid var(--pa-border);
        }

        .pa-faq-accordion .accordion-item {
            background: transparent;
            border: none;
            border-bottom: 1px solid var(--pa-border);
            border-radius: 0;
        }

        .pa-faq-accordion .accordion-item:first-child {
            border-top: 1px solid var(--pa-border);
        }

        .pa-faq-accordion .accordion-button {
            background: transparent;
            color: var(--pa-text);
            font-weight: 700;
            font-size: 1rem;
            padding: 18px 0;
            box-shadow: none;
            border: none;
        }

        .pa-faq-accordion .accordion-button:not(.collapsed) {
            background: transparent;
            color: var(--pa-primary);
            box-shadow: none;
        }

        .pa-faq-accordion .accordion-button:focus {
            outline: none;
            box-shadow: none;
        }

        .pa-faq-accordion .accordion-button::after {
            content: '\f067';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            background-image: none;
            width: auto;
            height: auto;
            font-size: 0.85rem;
            color: var(--pa-primary);
            transition: transform var(--pa-transition);
        }

        .pa-faq-accordion .accordion-button:not(.collapsed)::after {
            content: '\f00d';
            background-image: none;
            transform: rotate(45deg);
            color: var(--pa-accent);
        }

        .pa-faq-accordion .accordion-body {
            padding: 0 0 20px 0;
            color: var(--pa-text-muted);
            font-size: 0.9rem;
            line-height: 1.75;
        }

        /* CTA */
        .pa-cta-section {
            padding: 64px 0;
        }

        .pa-cta-box {
            background: var(--pa-primary);
            border-radius: var(--pa-radius-lg);
            padding: 48px 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
            position: relative;
            overflow: hidden;
        }

        .pa-cta-box::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -40px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(200, 130, 66, 0.15);
            pointer-events: none;
        }

        .pa-cta-box::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: 20%;
            width: 120px;
            height: 120px;
            border-radius: 50%;
            background: rgba(95, 127, 90, 0.2);
            pointer-events: none;
        }

        .pa-cta-box h2 {
            color: #F7F3EC;
            font-size: 1.6rem;
            font-weight: 800;
            margin-bottom: 8px;
            position: relative;
            z-index: 1;
        }

        .pa-cta-box p {
            color: rgba(247, 243, 236, 0.75);
            font-size: 0.95rem;
            margin-bottom: 0;
            position: relative;
            z-index: 1;
        }

        .pa-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--pa-radius-pill);
            font-weight: 600;
            font-size: 0.9rem;
            letter-spacing: 0.5px;
            transition: all var(--pa-transition);
            border: none;
            cursor: pointer;
            position: relative;
            z-index: 1;
            white-space: nowrap;
        }

        .pa-btn-primary {
            background: var(--pa-accent);
            color: #F7F3EC;
        }

        .pa-btn-primary:hover {
            background: #B8743A;
            color: #F7F3EC;
            transform: translateY(-1px);
        }

        .pa-btn-primary:active {
            transform: translateY(0);
        }

        .pa-btn-outline {
            background: transparent;
            color: var(--pa-primary);
            border: 1px solid var(--pa-primary);
        }

        .pa-btn-outline:hover {
            background: var(--pa-primary-light);
            color: var(--pa-primary-dark);
        }

        /* 页脚 */
        .pa-footer {
            background: var(--pa-primary);
            color: #F7F3EC;
            padding: 56px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(247, 243, 236, 0.15);
        }

        .footer-logo {
            font-size: 1.2rem;
            font-weight: 800;
            color: #F7F3EC;
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 16px;
        }

        .footer-logo:hover {
            color: #F7F3EC;
            opacity: 0.85;
        }

        .footer-logo .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            background: #F7F3EC;
            color: var(--pa-primary);
            border-radius: 8px;
            font-size: 0.85rem;
            font-weight: 700;
            letter-spacing: 1px;
        }

        .footer-desc {
            font-size: 0.85rem;
            color: rgba(247, 243, 236, 0.65);
            line-height: 1.7;
            margin-bottom: 0;
        }

        .pa-footer h5 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #F7F3EC;
            margin-bottom: 16px;
            letter-spacing: 1px;
        }

        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-links li {
            margin-bottom: 8px;
        }

        .footer-links a {
            color: rgba(247, 243, 236, 0.65);
            font-size: 0.85rem;
            transition: all var(--pa-transition);
        }

        .footer-links a:hover {
            color: var(--pa-accent);
            padding-left: 4px;
        }

        .footer-subscribe {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }

        .footer-subscribe input {
            flex: 1;
            min-width: 160px;
            background: rgba(247, 243, 236, 0.1);
            border: 1px solid rgba(247, 243, 236, 0.25);
            border-radius: 6px;
            padding: 8px 14px;
            color: #F7F3EC;
            font-size: 0.85rem;
            transition: all var(--pa-transition);
        }

        .footer-subscribe input:focus {
            outline: none;
            border-color: var(--pa-accent);
            background: rgba(247, 243, 236, 0.15);
        }

        .footer-subscribe input::placeholder {
            color: rgba(247, 243, 236, 0.45);
        }

        .pa-btn-accent {
            background: var(--pa-accent);
            color: #F7F3EC;
            border: none;
            border-radius: 6px;
            padding: 8px 18px;
            font-size: 0.8rem;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--pa-transition);
        }

        .pa-btn-accent:hover {
            background: #B8743A;
            color: #F7F3EC;
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 0;
            flex-wrap: wrap;
            font-size: 0.78rem;
            color: rgba(247, 243, 236, 0.5);
        }

        .footer-legal {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .footer-bottom a {
            color: rgba(247, 243, 236, 0.5);
            font-size: 0.78rem;
        }

        .footer-bottom a:hover {
            color: var(--pa-accent);
        }

        /* 响应式 */
        @media (max-width: 991.98px) {
            .pa-nav-links {
                flex-direction: column;
                align-items: flex-start;
                gap: 2px;
                padding: 12px 0;
            }

            .pa-nav-links .nav-link {
                width: 100%;
                padding: 10px 14px;
            }

            .pa-nav-chips {
                padding: 12px 0;
            }

            .pa-page-hero {
                min-height: 30vh;
                padding: 40px 0 36px;
            }

            .pa-page-hero h1 {
                font-size: 2rem;
            }

            .pa-tier-benefits {
                grid-template-columns: 1fr;
            }

            .pa-highlight-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .pa-highlight-image img {
                height: 240px;
            }
        }

        @media (max-width: 767.98px) {
            .pa-metrics-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }

            .pa-metric-item:nth-child(2)::after {
                display: none;
            }

            .pa-metric-item:not(:last-child)::after {
                right: -10px;
                height: 36px;
            }

            .pa-metric-number {
                font-size: 2rem;
            }

            .pa-section-heading h2 {
                font-size: 1.4rem;
            }

            .pa-page-hero h1 {
                font-size: 1.5rem;
            }

            .pa-page-hero .hero-desc {
                font-size: 0.9rem;
            }

            .pa-tier-card {
                padding: 20px 16px;
            }

            .pa-tier-name {
                font-size: 1rem;
            }

            .pa-cta-box {
                padding: 32px 24px;
                flex-direction: column;
                text-align: center;
            }

            .pa-cta-box h2 {
                font-size: 1.3rem;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }

            .footer-legal {
                justify-content: center;
            }
        }

        @media (max-width: 519.98px) {
            .pa-metrics-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }

            .pa-metric-item::after {
                display: none !important;
            }

            .pa-metric-number {
                font-size: 1.7rem;
            }

            .pa-metric-label {
                font-size: 0.75rem;
            }

            .pa-tier-benefits {
                grid-template-columns: 1fr;
            }

            .pa-benefit-item {
                flex-direction: row;
                padding: 10px 12px;
            }

            .pa-page-hero {
                min-height: 28vh;
                padding: 28px 0 24px;
            }

            .pa-section-heading {
                margin-bottom: 24px;
            }

            .pa-highlight-image img {
                height: 200px;
            }
        }

        @media (prefers-reduced-motion: reduce) {
            html {
                scroll-behavior: auto;
            }

            *,
            *::before,
            *::after {
                animation-duration: 0.01ms !important;
                transition-duration: 0.01ms !important;
                transition-delay: 0ms !important;
            }

            .pa-tier-card:hover {
                transform: none;
            }

            .pa-highlight-image:hover img {
                transform: none;
            }

            .pa-btn-primary:hover {
                transform: none;
            }
        }