/* roulang page: index */
:root {
            --primary: #C68A3D;
            --primary-light: #D89F55;
            --primary-dark: #A97330;
            --primary-soft: rgba(198, 138, 61, 0.12);
            --bg: #FAF6F0;
            --dark: #2B2622;
            --teal: #3D7A6F;
            --text: #2B2622;
            --text-secondary: #8A837C;
            --border: #E3DDD4;
            --card-bg: #FFFFFF;
            --card-soft: #F0E9DF;
            --radius-lg: 16px;
            --radius-sm: 8px;
            --shadow: 0 2px 8px rgba(43, 38, 34, 0.06);
            --shadow-hover: 0 12px 24px rgba(43, 38, 34, 0.12);
            --container: 1200px;
            --gap: 20px;
            --section-space: 80px;
            --section-space-mobile: 48px;
            --transition: 0.3s ease;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", sans-serif;
            font-size: 16px;
            line-height: 1.75;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: inherit;
            text-decoration: none;
        }

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

        button,
        input {
            font-family: inherit;
            font-size: inherit;
            border: none;
            background: none;
            outline: none;
        }

        ul,
        li {
            list-style: none;
        }

        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 16px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
            line-height: 1;
        }

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

        .btn-primary:hover {
            background: var(--primary-light);
            box-shadow: 0 8px 20px rgba(198, 138, 61, 0.35);
        }

        .btn-primary:active {
            transform: translateY(1px);
            filter: brightness(0.95);
        }

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

        .btn-secondary:hover {
            background: var(--primary-soft);
        }

        .btn-secondary:active {
            transform: translateY(1px);
        }

        .btn-light {
            background: transparent;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.7);
        }

        .btn-light:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
        }

        .btn-small {
            padding: 8px 18px;
            font-size: 14px;
        }

        .btn:focus-visible,
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 14px;
            background: var(--primary-soft);
            color: var(--primary-dark);
            border-radius: 100px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.5px;
        }

        .section-title {
            font-size: 28px;
            font-weight: 600;
            line-height: 1.3;
            margin-top: 14px;
            color: var(--dark);
        }

        .section-desc {
            max-width: 640px;
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-top: 10px;
        }

        /* ========== Header ========== */
        .site-header {
            background: var(--bg);
            position: sticky;
            top: 0;
            z-index: 100;
            border-bottom: 1px solid var(--border);
        }

        .brand-row {
            height: 56px;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .logo svg {
            width: 32px;
            height: 32px;
            flex-shrink: 0;
        }

        .logo-text {
            font-size: 22px;
            font-weight: 700;
            color: var(--dark);
            letter-spacing: 0.5px;
        }

        .logo-text span.hl {
            color: var(--primary);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 18px;
        }

        .search-toggle {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            color: var(--text-secondary);
            cursor: pointer;
            transition: background var(--transition), color var(--transition);
        }

        .search-toggle:hover {
            background: var(--card-soft);
            color: var(--dark);
        }

        .header-link {
            font-size: 14px;
            color: var(--text-secondary);
            transition: color var(--transition);
        }

        .header-link:hover {
            color: var(--primary);
        }

        .channel-row {
            height: 48px;
            border-top: 1px solid var(--border);
            background: var(--bg);
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

        .channel-row::-webkit-scrollbar {
            display: none;
        }

        .channel-nav {
            display: flex;
            align-items: center;
            gap: 28px;
            height: 100%;
            white-space: nowrap;
        }

        .channel-nav a {
            position: relative;
            font-size: 15px;
            color: var(--text-secondary);
            font-weight: 500;
            padding: 0 2px;
            height: 100%;
            display: flex;
            align-items: center;
            transition: color var(--transition);
        }

        .channel-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 4px;
            border-radius: 4px 4px 0 0;
            background: var(--primary);
            transform: scaleX(0);
            transition: transform var(--transition);
        }

        .channel-nav a:hover {
            color: var(--primary);
        }

        .channel-nav a.active {
            color: var(--dark);
            font-weight: 600;
        }

        .channel-nav a.active::after {
            transform: scaleX(1);
        }

        /* ========== Hero ========== */
        .hero {
            position: relative;
            min-height: 540px;
            display: flex;
            align-items: center;
            background: url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(270deg, rgba(43, 38, 34, 0.35) 0%, rgba(43, 38, 34, 0.72) 100%);
        }

        .hero-inner {
            position: relative;
            z-index: 2;
            width: 100%;
            padding: 80px 0;
            color: #fff;
        }

        .hero-title {
            font-size: 40px;
            font-weight: 700;
            line-height: 1.3;
            max-width: 640px;
            margin-bottom: 18px;
        }

        .hero-title .hl {
            color: var(--primary-light);
        }

        .hero-subtitle {
            font-size: 18px;
            line-height: 1.7;
            max-width: 520px;
            color: rgba(255, 255, 255, 0.92);
            margin-bottom: 32px;
        }

        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .hero-scroll {
            position: absolute;
            bottom: 24px;
            right: 32px;
            z-index: 3;
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.75);
            letter-spacing: 0.5px;
        }

        .hero-scroll svg {
            width: 18px;
            height: 18px;
            animation: scrollDown 1.6s ease infinite;
        }

        @keyframes scrollDown {
            0% { transform: translateY(0); opacity: 0.7; }
            50% { transform: translateY(6px); opacity: 1; }
            100% { transform: translateY(0); opacity: 0.7; }
        }

        /* ========== Compare Table ========== */
        .compare-section {
            padding: var(--section-space) 0;
        }

        .compare-grid {
            margin-top: 40px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 0;
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: var(--card-bg);
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
        }

        .compare-col {
            padding: 28px 32px;
        }

        .compare-col.free-col {
            background: var(--card-bg);
        }

        .compare-col.premium-col {
            border-left: 1px solid var(--border);
            background: linear-gradient(180deg, rgba(198, 138, 61, 0.12), rgba(198, 138, 61, 0.05) 40%);
        }

        .compare-head {
            text-align: center;
            padding-bottom: 20px;
            border-bottom: 1px solid var(--border);
        }

        .compare-head .plan-name {
            font-size: 20px;
            font-weight: 600;
            color: var(--dark);
        }

        .compare-head .plan-price {
            font-size: 14px;
            color: var(--text-secondary);
            margin-top: 6px;
        }

        .premium-col .compare-head .plan-name {
            color: var(--primary-dark);
        }

        .compare-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 13px 0;
            border-bottom: 1px solid #f5f0e9;
            font-size: 15px;
        }

        .compare-row:last-child {
            border-bottom: none;
        }

        .compare-label {
            color: var(--text);
        }

        .compare-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 24px;
            height: 24px;
            flex-shrink: 0;
        }

        .compare-icon svg {
            width: 18px;
            height: 18px;
        }

        .compare-icon.yes svg {
            stroke: var(--primary);
        }

        .compare-icon.no svg {
            stroke: #B9B2A8;
        }

        /* ========== Levels ========== */
        .levels-section {
            padding: var(--section-space) 0;
            background: var(--card-soft);
        }

        .levels-grid {
            margin-top: 40px;
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--gap);
        }

        .level-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: 32px 24px 28px;
            text-align: center;
            box-shadow: var(--shadow);
            border: 1px solid transparent;
            transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
        }

        .level-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }

        .level-card.featured {
            border: 2px solid var(--primary);
            background: linear-gradient(180deg, rgba(198, 138, 61, 0.08), var(--card-bg) 60%);
        }

        .level-icon {
            width: 64px;
            height: 64px;
            margin: 0 auto 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 20px;
            background: var(--card-soft);
        }

        .level-icon svg {
            width: 34px;
            height: 34px;
            stroke: var(--primary);
            fill: none;
            stroke-width: 1.5;
        }

        .level-name {
            font-size: 20px;
            font-weight: 600;
            color: var(--dark);
        }

        .level-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-top: 10px;
        }

        .level-feature {
            display: inline-block;
            margin-top: 14px;
            padding: 4px 12px;
            border-radius: 100px;
            background: var(--primary-soft);
            color: var(--primary-dark);
            font-size: 13px;
            font-weight: 600;
        }

        /* ========== Preview Cards ========== */
        .preview-section {
            padding: var(--section-space) 0;
        }

        .preview-grid {
            margin-top: 40px;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--gap);
        }

        .preview-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
            display: flex;
            flex-direction: column;
            transition: transform var(--transition), box-shadow var(--transition);
        }

        .preview-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }

        .preview-cover {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 9;
            background: var(--card-soft);
        }

        .preview-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .preview-card:hover .preview-cover img {
            transform: scale(1.02);
        }

        .preview-cover .preview-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 4px 12px;
            border-radius: 100px;
            background: rgba(43, 38, 34, 0.75);
            color: #fff;
            font-size: 12px;
            font-weight: 500;
            backdrop-filter: blur(4px);
        }

        .preview-body {
            padding: 16px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            flex: 1;
        }

        .preview-body h3 {
            font-size: 16px;
            font-weight: 600;
            line-height: 1.45;
            color: var(--dark);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .preview-body p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .preview-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-top: auto;
            font-size: 13px;
            color: var(--text-secondary);
        }

        .preview-meta .dot {
            width: 3px;
            height: 3px;
            border-radius: 50%;
            background: var(--border);
        }

        /* ========== News ========== */
        .news-section {
            padding: var(--section-space) 0;
            background: var(--card-soft);
        }

        .news-list {
            margin-top: 36px;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .news-item {
            display: grid;
            grid-template-columns: auto 1fr auto auto;
            grid-template-rows: auto auto;
            grid-template-areas:
                "cat title date arrow"
                "cat summary summary arrow";
            align-items: center;
            gap: 4px 18px;
            background: var(--card-bg);
            border-radius: var(--radius-sm);
            padding: 20px 24px;
            box-shadow: var(--shadow);
            border: 1px solid transparent;
            transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
        }

        .news-item:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
            border-color: rgba(198, 138, 61, 0.3);
        }

        .news-cat {
            grid-area: cat;
            display: inline-flex;
            align-items: center;
            padding: 4px 12px;
            border-radius: 100px;
            background: var(--primary-soft);
            color: var(--primary-dark);
            font-size: 13px;
            font-weight: 600;
            white-space: nowrap;
        }

        .news-title {
            grid-area: title;
            font-size: 17px;
            font-weight: 600;
            color: var(--dark);
            line-height: 1.5;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        .news-summary {
            grid-area: summary;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        .news-date {
            grid-area: date;
            font-size: 13px;
            color: var(--text-secondary);
            white-space: nowrap;
        }

        .news-arrow {
            grid-area: arrow;
            width: 32px;
            height: 32px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            color: var(--primary);
            background: var(--primary-soft);
            font-size: 16px;
            transition: transform var(--transition), background var(--transition);
        }

        .news-item:hover .news-arrow {
            transform: translateX(4px);
            background: var(--primary);
            color: #fff;
        }

        .empty-state {
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 48px 24px;
            background: rgba(255, 255, 255, 0.7);
            border-radius: var(--radius-sm);
            border: 1px dashed var(--border);
            color: var(--text-secondary);
            font-size: 15px;
        }

        /* ========== FAQ ========== */
        .faq-section {
            padding: var(--section-space) 0;
        }

        .faq-list {
            margin-top: 36px;
            max-width: 860px;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .faq-item {
            background: var(--card-bg);
            border-radius: var(--radius-sm);
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: box-shadow var(--transition);
        }

        .faq-item.open {
            box-shadow: var(--shadow-hover);
        }

        .faq-question {
            display: flex;
            align-items: center;
            gap: 14px;
            width: 100%;
            min-height: 52px;
            padding: 14px 20px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--dark);
            text-align: left;
            background: transparent;
            transition: color var(--transition);
        }

        .faq-question:hover {
            color: var(--primary-dark);
        }

        .faq-icon {
            width: 28px;
            height: 28px;
            flex-shrink: 0;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--card-soft);
            color: var(--text-secondary);
            transition: transform 0.3s ease, background 0.3s ease, color 0.3s ease;
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: var(--primary);
            color: #fff;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
        }

        .faq-answer-inner {
            padding: 0 20px 18px 62px;
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.75;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: var(--dark);
            padding: 72px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -60px;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            border: 1px solid rgba(198, 138, 61, 0.25);
        }

        .cta-section::after {
            content: '';
            position: absolute;
            top: 10px;
            right: 20px;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            border: 1px solid rgba(198, 138, 61, 0.15);
        }

        .cta-inner {
            position: relative;
            z-index: 2;
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            gap: 14px;
        }

        .cta-title {
            font-size: 30px;
            font-weight: 600;
            color: #fff;
            line-height: 1.3;
        }

        .cta-title .hl {
            color: var(--primary-light);
        }

        .cta-desc {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.75);
            max-width: 480px;
            line-height: 1.7;
        }

        .cta-actions {
            margin-top: 12px;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--dark);
            color: #fff;
            padding-top: 60px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
        }

        .footer-brand .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
        }

        .footer-brand .footer-logo span.hl {
            color: var(--primary-light);
        }

        .footer-brand p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 14px;
            line-height: 1.7;
            max-width: 280px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 16px;
            color: #fff;
        }

        .footer-col a,
        .footer-col p {
            display: block;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            line-height: 2.1;
            transition: color var(--transition);
        }

        .footer-col a:hover {
            color: var(--primary-light);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 20px 0;
        }

        .footer-bottom-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
        }

        .footer-bottom span {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.45);
        }

        /* ========== Responsive ========== */
        @media (max-width: 1024px) {
            .preview-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .hero-title {
                font-size: 36px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-space: var(--section-space-mobile);
            }

            .hero {
                min-height: 440px;
            }

            .hero-title {
                font-size: 30px;
            }

            .hero-subtitle {
                font-size: 16px;
            }

            .section-title {
                font-size: 24px;
            }

            .compare-grid {
                grid-template-columns: 1fr;
            }

            .compare-col.premium-col {
                border-left: none;
                border-top: 1px solid var(--border);
            }

            .compare-row {
                flex-wrap: wrap;
                gap: 4px;
            }

            .levels-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }

            .level-card {
                padding: 24px 20px;
            }

            .preview-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }

            .news-item {
                grid-template-columns: 1fr auto;
                grid-template-areas:
                    "cat date"
                    "title title"
                    "summary summary";
                gap: 6px 12px;
                padding: 16px;
                align-items: start;
            }

            .news-arrow {
                display: none;
            }

            .news-title {
                font-size: 16px;
                white-space: normal;
                display: -webkit-box;
                -webkit-line-clamp: 2;
                -webkit-box-orient: vertical;
                overflow: hidden;
            }

            .news-summary {
                white-space: normal;
                display: -webkit-box;
                -webkit-line-clamp: 2;
                -webkit-box-orient: vertical;
                overflow: hidden;
            }

            .faq-answer-inner {
                padding-left: 20px;
            }

            .cta-inner {
                align-items: flex-start;
                text-align: left;
            }

            .cta-title {
                font-size: 24px;
            }

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

            .hero-scroll {
                display: none;
            }

            .header-actions .header-link {
                font-size: 13px;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 26px;
            }

            .hero-subtitle {
                font-size: 15px;
            }

            .hero-actions .btn {
                width: 100%;
            }

            .brand-row {
                height: 52px;
            }

            .logo-text {
                font-size: 18px;
            }

            .header-actions {
                gap: 10px;
            }

            .btn-small {
                padding: 7px 14px;
                font-size: 13px;
            }

            .footer-bottom-inner {
                flex-direction: column;
                align-items: flex-start;
            }
        }

/* roulang page: category1 */
:root {
  --primary: #C68A3D;
  --primary-dark: #A9712A;
  --primary-light: rgba(198, 138, 61, 0.12);
  --bg: #FAF6F0;
  --ink: #2B2622;
  --muted: #8A837C;
  --border: #E3DDD4;
  --soft-bg: #F0E9DF;
  --white: #FFFFFF;
  --teal: #3D7A6F;
  --teal-bg: rgba(61, 122, 111, 0.1);
  --radius: 16px;
  --radius-sm: 8px;
  --shadow: 0 2px 8px rgba(43, 38, 34, 0.06);
  --shadow-lg: 0 12px 24px rgba(43, 38, 34, 0.12);
  --container: 1200px;
  --gap: 20px;
  --transition: 0.3s ease;
  --font: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--ink);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font-family: inherit; font-size: inherit; color: inherit; border: none; background: none; outline: none; }
ul, ol { list-style: none; }
.container { max-width: var(--container); margin: 0 auto; padding: 0 16px; }
.section { padding: 80px 0; }
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--primary);
  background: var(--primary-light);
  padding: 6px 14px;
  border-radius: 999px;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.section-title { font-size: 28px; font-weight: 600; line-height: 1.3; margin-bottom: 12px; color: var(--ink); letter-spacing: 0.01em; }
.section-subtitle { font-size: 15px; color: var(--muted); max-width: 720px; line-height: 1.75; }
/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 600;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
  line-height: 1.2;
}
.btn-primary { background: var(--primary); color: var(--ink); border: 1px solid var(--primary); }
.btn-primary:hover { background: #D99A4B; border-color: #D99A4B; box-shadow: 0 8px 20px rgba(198, 138, 61, 0.35); transform: translateY(-1px); }
.btn-primary:active { transform: translateY(1px); background: var(--primary-dark); box-shadow: none; }
.btn-outline { background: transparent; color: var(--primary); border: 1px solid var(--primary); }
.btn-outline:hover { background: var(--primary-light); border-color: var(--primary); }
.btn-outline:active { background: rgba(198, 138, 61, 0.2); }
.btn-white { background: var(--white); color: var(--ink); border: 1px solid var(--white); }
.btn-white:hover { background: #F5F0E8; box-shadow: 0 8px 20px rgba(43, 38, 34, 0.15); }
.btn-small { padding: 9px 20px; font-size: 14px; }
/* Header */
.site-header { background: var(--bg); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 100; }
.brand-row { display: flex; align-items: center; justify-content: space-between; height: 56px; }
.logo { display: inline-flex; align-items: center; gap: 10px; }
.logo svg { width: 32px; height: 32px; flex-shrink: 0; }
.logo-text { font-size: 22px; font-weight: 700; color: var(--ink); letter-spacing: -0.01em; }
.logo-text .hl { color: var(--primary); }
.header-actions { display: flex; align-items: center; gap: 14px; }
.search-toggle { width: 36px; height: 36px; display: inline-flex; align-items: center; justify-content: center; border-radius: var(--radius-sm); color: var(--muted); transition: all var(--transition); cursor: pointer; }
.search-toggle:hover { background: var(--soft-bg); color: var(--ink); }
.header-link { font-size: 14px; color: var(--muted); font-weight: 500; transition: color var(--transition); }
.header-link:hover { color: var(--primary); }
.channel-row { border-top: 1px solid rgba(227, 221, 212, 0.6); }
.channel-nav { display: flex; align-items: center; gap: 28px; height: 48px; overflow-x: auto; scrollbar-width: none; -webkit-overflow-scrolling: touch; }
.channel-nav::-webkit-scrollbar { display: none; }
.channel-nav a { font-size: 15px; font-weight: 500; color: var(--muted); white-space: nowrap; position: relative; padding: 12px 0 10px; transition: color var(--transition); }
.channel-nav a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: 0; height: 4px; border-radius: 4px 4px 0 0; background: var(--primary); transition: right var(--transition); }
.channel-nav a:hover { color: var(--primary); }
.channel-nav a:hover::after { right: 0; }
.channel-nav a.active { color: var(--ink); font-weight: 600; }
.channel-nav a.active::after { right: 0; }
.channel-nav a:focus-visible { outline: 2px solid rgba(198, 138, 61, 0.5); outline-offset: 2px; border-radius: 4px; }
/* Hero */
.hero-category { position: relative; padding: 100px 0 90px; background: url('/assets/images/backpic/back-1.webp') center center / cover no-repeat; }
.hero-category::before { content: ""; position: absolute; inset: 0; background: linear-gradient(100deg, rgba(43, 38, 34, 0.88) 0%, rgba(43, 38, 34, 0.65) 45%, rgba(43, 38, 34, 0.35) 100%); }
.hero-category .container { position: relative; z-index: 2; }
.hero-category .hero-label { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; font-weight: 600; letter-spacing: 0.14em; color: #E8C89A; background: rgba(255, 255, 255, 0.12); border: 1px solid rgba(232, 200, 154, 0.3); padding: 6px 14px; border-radius: 999px; margin-bottom: 18px; }
.hero-category h1 { font-size: 40px; font-weight: 700; line-height: 1.25; color: var(--white); margin-bottom: 16px; max-width: 700px; }
.hero-category h1 .hl { color: #E8C89A; }
.hero-category .hero-desc { font-size: 16px; color: rgba(255, 255, 255, 0.85); max-width: 600px; line-height: 1.8; margin-bottom: 28px; }
.hero-category .hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-scroll { position: absolute; bottom: 20px; left: 50%; transform: translateX(-50%); color: rgba(255, 255, 255, 0.6); font-size: 12px; letter-spacing: 0.08em; display: flex; flex-direction: column; align-items: center; gap: 6px; z-index: 2; }
.hero-scroll span { display: block; width: 1px; height: 32px; background: linear-gradient(to bottom, rgba(255,255,255,0.6), transparent); }
/* Feature Card */
.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--gap); }
.feature-card { background: var(--white); border-radius: var(--radius); padding: 28px 24px; box-shadow: var(--shadow); border: 1px solid rgba(227, 221, 212, 0.6); transition: transform var(--transition), box-shadow var(--transition); position: relative; overflow: hidden; }
.feature-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.feature-card .icon { width: 48px; height: 48px; border-radius: 12px; background: var(--primary-light); display: flex; align-items: center; justify-content: center; margin-bottom: 16px; color: var(--primary); }
.feature-card .icon svg { width: 24px; height: 24px; }
.feature-card h3 { font-size: 18px; font-weight: 600; margin-bottom: 8px; }
.feature-card p { font-size: 14px; color: var(--muted); line-height: 1.7; }
/* Tier Section */
.tier-section { background: var(--white); }
.tier-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 36px; }
.tier-card { background: var(--bg); border-radius: var(--radius); padding: 32px 28px; border: 1px solid var(--border); text-align: center; position: relative; transition: transform var(--transition), box-shadow var(--transition); }
.tier-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.tier-card.highlight { border: 2px solid var(--primary); background: linear-gradient(180deg, rgba(198, 138, 61, 0.08) 0%, var(--bg) 60%); }
.tier-card.highlight::before { content: "推荐"; position: absolute; top: 16px; right: 16px; font-size: 12px; font-weight: 600; color: var(--primary); background: var(--primary-light); padding: 4px 10px; border-radius: 999px; }
.tier-icon { width: 56px; height: 56px; margin: 0 auto 16px; color: var(--primary); }
.tier-icon svg { width: 56px; height: 56px; }
.tier-card h3 { font-size: 20px; font-weight: 600; margin-bottom: 6px; }
.tier-level { font-size: 13px; color: var(--muted); margin-bottom: 18px; display: block; }
.tier-card ul { text-align: left; margin-top: 18px; padding-top: 18px; border-top: 1px dashed var(--border); }
.tier-card ul li { font-size: 14px; color: var(--ink); padding: 7px 0; display: flex; align-items: flex-start; gap: 8px; line-height: 1.6; }
.tier-card ul li::before { content: "✓"; color: var(--primary); font-weight: 700; flex-shrink: 0; }
.tier-card .btn { margin-top: 22px; }
/* Scene Cards */
.scene-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--gap); }
.scene-card { background: var(--white); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); border: 1px solid rgba(227, 221, 212, 0.5); transition: transform var(--transition), box-shadow var(--transition); }
.scene-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.scene-card .cover { overflow: hidden; aspect-ratio: 16 / 9; }
.scene-card .cover img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.scene-card:hover .cover img { transform: scale(1.03); }
.scene-card .body { padding: 20px 20px 24px; }
.scene-card .body h3 { font-size: 18px; font-weight: 600; margin-bottom: 8px; }
.scene-card .body p { font-size: 14px; color: var(--muted); line-height: 1.7; }
.scene-tag { display: inline-block; font-size: 12px; font-weight: 600; color: var(--teal); background: var(--teal-bg); padding: 3px 10px; border-radius: 999px; margin-bottom: 10px; }
/* Process */
.process-section { background: var(--soft-bg); }
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; margin-top: 40px; counter-reset: step; }
.process-step { position: relative; background: var(--white); border-radius: var(--radius); padding: 28px 24px; box-shadow: var(--shadow); border: 1px solid rgba(227, 221, 212, 0.5); }
.process-step::before { counter-increment: step; content: counter(step, decimal-leading-zero); font-size: 32px; font-weight: 700; color: var(--primary); opacity: 0.25; position: absolute; top: 16px; right: 20px; line-height: 1; }
.process-step .icon { width: 40px; height: 40px; border-radius: 10px; background: var(--primary-light); color: var(--primary); display: flex; align-items: center; justify-content: center; margin-bottom: 14px; }
.process-step .icon svg { width: 20px; height: 20px; }
.process-step h3 { font-size: 16px; font-weight: 600; margin-bottom: 6px; }
.process-step p { font-size: 14px; color: var(--muted); line-height: 1.65; }
/* FAQ */
.faq-list { max-width: 820px; margin: 36px auto 0; }
.faq-item { background: var(--white); border-radius: 12px; border: 1px solid var(--border); margin-bottom: 12px; overflow: hidden; transition: border-color var(--transition); }
.faq-item.active { border-color: rgba(198, 138, 61, 0.4); box-shadow: 0 4px 16px rgba(43, 38, 34, 0.06); }
.faq-question { width: 100%; display: flex; align-items: center; gap: 14px; padding: 16px 20px; cursor: pointer; text-align: left; font-size: 15px; font-weight: 600; line-height: 1.5; color: var(--ink); transition: background var(--transition); }
.faq-question:hover { background: rgba(240, 233, 223, 0.4); }
.faq-icon { flex-shrink: 0; width: 28px; height: 28px; border-radius: 50%; background: var(--primary-light); color: var(--primary); display: inline-flex; align-items: center; justify-content: center; font-size: 18px; font-weight: 400; transition: transform 0.3s ease, background 0.3s ease; position: relative; }
.faq-icon::before { content: "+"; position: absolute; transition: opacity 0.2s ease; }
.faq-icon::after { content: "×"; position: absolute; opacity: 0; transition: opacity 0.2s ease; font-size: 16px; }
.faq-item.active .faq-icon { background: var(--primary); color: var(--white); }
.faq-item.active .faq-icon::before { opacity: 0; }
.faq-item.active .faq-icon::after { opacity: 1; }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.35s ease; }
.faq-answer-inner { padding: 0 20px 18px 62px; font-size: 14px; color: var(--muted); line-height: 1.8; }
.faq-item.active .faq-answer { max-height: 300px; }
/* CTA */
.cta-section { background: var(--ink); padding: 72px 0; }
.cta-inner { text-align: center; }
.cta-inner .section-label { background: rgba(198, 138, 61, 0.18); color: #E8C89A; }
.cta-inner h2 { font-size: 28px; font-weight: 600; color: var(--white); margin-bottom: 10px; }
.cta-inner p { color: rgba(255, 255, 255, 0.65); font-size: 15px; margin-bottom: 28px; }
/* Footer */
.site-footer { background: var(--ink); color: #D8D2CA; padding-top: 60px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: 40px; padding-bottom: 40px; }
.footer-brand .footer-logo { display: inline-flex; align-items: center; gap: 10px; font-size: 20px; font-weight: 700; color: var(--white); }
.footer-logo svg { width: 30px; height: 30px; }
.footer-logo .hl { color: var(--primary); }
.footer-brand p { font-size: 14px; color: rgba(255, 255, 255, 0.6); margin-top: 14px; line-height: 1.8; max-width: 320px; }
.footer-col h4 { font-size: 15px; font-weight: 600; color: var(--white); margin-bottom: 16px; }
.footer-col a { display: block; font-size: 14px; color: #D8D2CA; padding: 6px 0; transition: color var(--transition); }
.footer-col a:hover { color: var(--primary); }
.footer-col p { font-size: 14px; color: rgba(255, 255, 255, 0.55); padding: 6px 0; line-height: 1.7; }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, 0.1); padding: 18px 0; }
.footer-bottom-inner { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 8px; }
.footer-bottom span { font-size: 12px; color: rgba(255, 255, 255, 0.5); }
/* Responsive */
@media (max-width: 1023px) {
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .scene-grid { grid-template-columns: repeat(2, 1fr); }
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .tier-grid { grid-template-columns: 1fr; max-width: 520px; margin-left: auto; margin-right: auto; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 767px) {
  .section { padding: 48px 0; }
  .hero-category { padding: 72px 0 64px; }
  .hero-category h1 { font-size: 30px; }
  .hero-category .hero-desc { font-size: 15px; }
  .hero-scroll { display: none; }
  .feature-grid { grid-template-columns: 1fr; }
  .scene-grid { grid-template-columns: 1fr; }
  .process-grid { grid-template-columns: 1fr; }
  .section-title { font-size: 24px; }
  .brand-row { height: 56px; }
  .header-actions .header-link { display: none; }
  .channel-nav { gap: 20px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom-inner { flex-direction: column; text-align: center; }
  .cta-section { padding: 56px 0; }
  .cta-inner h2 { font-size: 24px; }
}
@media (max-width: 520px) {
  .channel-nav a { font-size: 14px; }
  .hero-category .hero-actions .btn { width: 100%; }
  .footer-grid { gap: 24px; }
}

/* roulang page: article */
:root {
    --primary: #C68A3D;
    --primary-hover: #D89A4F;
    --primary-active: #AD752F;
    --primary-soft: rgba(198, 138, 61, 0.1);
    --primary-glow: rgba(198, 138, 61, 0.14);
    --bg: #FAF6F0;
    --dark: #2B2622;
    --dark-soft: #3A342E;
    --teal: #3D7A6F;
    --teal-soft: rgba(61, 122, 111, 0.1);
    --muted: #8A837C;
    --border: #E3DDD4;
    --card-bg: #F0E9DF;
    --white: #FFFFFF;
    --radius-lg: 16px;
    --radius-md: 8px;
    --shadow-sm: 0 2px 8px rgba(43, 38, 34, 0.06);
    --shadow-lg: 0 12px 24px rgba(43, 38, 34, 0.12);
    --container-w: 1200px;
    --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
    --transition: all 0.3s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

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

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

a { text-decoration: none; color: inherit; transition: color 0.3s ease; }

button { font-family: inherit; border: none; background: none; cursor: pointer; }

ul, ol { padding-left: 20px; }

.container {
    max-width: var(--container-w);
    margin: 0 auto;
    padding: 0 16px;
}

/* ========== Buttons ========== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border-radius: var(--radius-md);
    font-size: 15px;
    font-weight: 600;
    padding: 12px 28px;
    transition: var(--transition);
    line-height: 1.5;
    border: 1px solid transparent;
    text-align: center;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(1px); }

.btn-primary {
    background: var(--primary);
    color: var(--dark);
}
.btn-primary:hover {
    background: var(--primary-hover);
    box-shadow: 0 8px 20px rgba(198, 138, 61, 0.35);
}
.btn-primary:active {
    background: var(--primary-active);
    box-shadow: none;
}

.btn-secondary {
    background: transparent;
    border-color: var(--primary);
    color: var(--primary);
}
.btn-secondary:hover {
    background: var(--primary-soft);
}
.btn-secondary:active {
    background: var(--primary-glow);
}

.btn-small {
    padding: 8px 18px;
    font-size: 14px;
}

.btn-large {
    padding: 14px 36px;
    font-size: 16px;
}

.btn:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 3px;
}

/* ========== Header ========== */
.site-header {
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.brand-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 56px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}
.logo svg {
    width: 30px;
    height: 30px;
}
.logo-text {
    font-size: 20px;
    font-weight: 700;
    color: var(--dark);
    letter-spacing: 0.02em;
    line-height: 1.2;
}
.logo .hl {
    color: var(--primary);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 14px;
}

.search-toggle {
    color: var(--dark);
    display: flex;
    align-items: center;
    padding: 6px;
    border-radius: 6px;
    transition: var(--transition);
}
.search-toggle:hover {
    color: var(--primary);
    background: var(--primary-soft);
}
.search-toggle:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

.header-link {
    font-size: 14px;
    color: var(--muted);
    font-weight: 500;
}
.header-link:hover {
    color: var(--primary);
}

.channel-row {
    border-top: 1px solid var(--border);
    height: 48px;
}

.channel-nav {
    display: flex;
    align-items: stretch;
    gap: 28px;
    height: 48px;
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
}
.channel-nav::-webkit-scrollbar { display: none; }

.channel-nav a {
    position: relative;
    display: flex;
    align-items: center;
    white-space: nowrap;
    font-size: 15px;
    color: var(--muted);
    font-weight: 500;
}
.channel-nav a::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: -1px;
    height: 4px;
    border-radius: 4px 4px 0 0;
    background: var(--primary);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}
.channel-nav a:hover { color: var(--primary); }
.channel-nav a.active {
    color: var(--dark);
    font-weight: 600;
}
.channel-nav a.active::after { transform: scaleX(1); }
.channel-nav a:focus-visible {
    outline: 2px solid rgba(198, 138, 61, 0.5);
    outline-offset: -2px;
    border-radius: 4px;
}

/* ========== Article Main ========== */
.article-column {
    max-width: 720px;
    margin: 0 auto;
}

.breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px;
    padding: 28px 0 8px;
    font-size: 13px;
    color: var(--muted);
}
.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb .sep { color: var(--border); margin: 0 2px; }
.breadcrumb .current {
    color: var(--dark);
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 360px;
}

.article-heading {
    padding: 32px 0 28px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 8px;
}

.article-category {
    display: inline-block;
    font-size: 13px;
    font-weight: 600;
    color: var(--primary);
    background: var(--primary-soft);
    border-radius: 20px;
    padding: 4px 14px;
    margin-bottom: 16px;
}

.article-heading h1 {
    font-size: 36px;
    font-weight: 700;
    line-height: 1.3;
    color: var(--dark);
    letter-spacing: 0.01em;
    margin-bottom: 16px;
}

.article-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    color: var(--muted);
}
.meta-divider {
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--border);
}
.meta-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

/* ========== Article Content ========== */
.article-content {
    padding: 12px 0 8px;
    font-size: 16px;
    line-height: 1.85;
    color: var(--dark);
}
.article-content p {
    margin: 14px 0;
    word-break: break-word;
}
.article-content h2 {
    font-size: 25px;
    font-weight: 600;
    line-height: 1.4;
    margin: 36px 0 14px;
    padding-left: 14px;
    border-left: 4px solid var(--primary);
    border-radius: 0 2px 2px 0;
    color: var(--dark);
}
.article-content h3 {
    font-size: 20px;
    font-weight: 600;
    line-height: 1.5;
    margin: 28px 0 10px;
    color: var(--dark);
}
.article-content h4 {
    font-size: 17px;
    font-weight: 600;
    margin: 20px 0 8px;
    color: var(--dark);
}
.article-content ul,
.article-content ol {
    margin: 14px 0;
    padding-left: 22px;
}
.article-content li {
    margin-bottom: 6px;
}
.article-content blockquote {
    border-left: 4px solid var(--primary);
    background: var(--card-bg);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    padding: 18px 22px;
    margin: 20px 0;
    color: var(--dark-soft);
    font-size: 15px;
    line-height: 1.8;
}
.article-content img {
    border-radius: var(--radius-md);
    margin: 20px 0;
    box-shadow: var(--shadow-sm);
}
.article-content a {
    color: var(--primary);
    font-weight: 500;
    border-bottom: 1px solid transparent;
}
.article-content a:hover {
    border-bottom-color: var(--primary);
}
.article-content pre {
    background: var(--card-bg);
    border-radius: var(--radius-md);
    padding: 18px 20px;
    overflow-x: auto;
    font-size: 14px;
    line-height: 1.7;
    margin: 20px 0;
    border: 1px solid var(--border);
}
.article-content code {
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
    background: var(--card-bg);
    border-radius: 4px;
    padding: 2px 6px;
    font-size: 0.9em;
}
.article-content pre code {
    background: none;
    padding: 0;
}
.article-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
    font-size: 14px;
}
.article-content th {
    background: var(--card-bg);
    font-weight: 600;
    text-align: left;
    padding: 10px 14px;
    border: 1px solid var(--border);
}
.article-content td {
    padding: 10px 14px;
    border: 1px solid var(--border);
    vertical-align: top;
}

/* ========== Not Found ========== */
.not-found {
    text-align: center;
    padding: 60px 24px;
    background: var(--white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
}
.not-found-icon {
    display: flex;
    justify-content: center;
    margin-bottom: 16px;
}
.not-found h2 {
    font-size: 24px;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 8px;
}
.not-found p {
    color: var(--muted);
    font-size: 15px;
    max-width: 400px;
    margin: 0 auto 24px;
}

/* ========== Article Back ========== */
.article-back {
    padding: 12px 0 8px;
    border-top: 1px solid var(--border);
    margin-top: 24px;
}
.back-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    color: var(--muted);
    font-weight: 500;
    padding: 6px 0;
}
.back-link:hover {
    color: var(--primary);
}
.back-link svg {
    transition: transform 0.25s ease;
}
.back-link:hover svg {
    transform: translateX(-3px);
}

/* ========== Related Section ========== */
.related-section {
    padding: 64px 0 8px;
}
.section-label {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.14em;
    color: var(--primary);
    background: var(--primary-soft);
    padding: 5px 14px;
    border-radius: 20px;
    margin-bottom: 12px;
    text-transform: uppercase;
}
.section-header h2 {
    font-size: 28px;
    font-weight: 600;
    line-height: 1.4;
    color: var(--dark);
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 28px;
}

.card {
    display: block;
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid rgba(227, 221, 212, 0.6);
}
.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}
.card:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

.card-cover-wrap {
    overflow: hidden;
}
.card-cover {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    transition: transform 0.4s ease;
}
.card:hover .card-cover {
    transform: scale(1.02);
}

.card-content {
    padding: 18px 18px 20px;
}
.card-content h3 {
    font-size: 17px;
    font-weight: 600;
    line-height: 1.5;
    color: var(--dark);
    margin-bottom: 6px;
    transition: color 0.3s ease;
}
.card:hover .card-content h3 {
    color: var(--primary);
}
.card-content p {
    font-size: 14px;
    color: var(--muted);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 14px;
    font-size: 12px;
    color: var(--muted);
}
.card-tag {
    font-size: 12px;
    color: var(--teal);
    background: var(--teal-soft);
    border-radius: 12px;
    padding: 2px 10px;
    font-weight: 500;
}
.card-read {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

/* ========== CTA Band ========== */
.cta-band-wrap {
    padding: 56px 0 72px;
}
.cta-band {
    position: relative;
    overflow: hidden;
    background: var(--dark);
    border-radius: 20px;
    padding: 48px 40px;
    text-align: center;
}
.cta-decor {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 110px;
    pointer-events: none;
}
.cta-band > *:not(.cta-decor) {
    position: relative;
    z-index: 1;
}
.cta-band h2 {
    color: var(--white);
    font-size: 27px;
    font-weight: 600;
    margin-bottom: 8px;
}
.cta-band p {
    color: rgba(227, 221, 212, 0.8);
    font-size: 14px;
    margin-bottom: 26px;
}

/* ========== Footer ========== */
.site-footer {
    background: var(--dark);
    color: var(--border);
    padding-top: 60px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 44px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 16px;
}
.footer-logo svg {
    width: 30px;
    height: 30px;
}
.footer-logo span {
    font-size: 20px;
    font-weight: 700;
    color: var(--white);
    letter-spacing: 0.02em;
}
.footer-logo .hl {
    color: var(--primary);
}

.footer-brand p {
    font-size: 14px;
    color: rgba(227, 221, 212, 0.65);
    max-width: 340px;
    line-height: 1.8;
}

.footer-col h4 {
    font-size: 15px;
    color: var(--white);
    font-weight: 600;
    margin-bottom: 18px;
}

.footer-col a {
    display: block;
    font-size: 14px;
    color: rgba(227, 221, 212, 0.75);
    margin-bottom: 12px;
}
.footer-col a:hover {
    color: var(--primary);
}

.footer-col p {
    font-size: 14px;
    color: rgba(227, 221, 212, 0.75);
    margin-bottom: 8px;
    word-break: break-all;
}

.footer-bottom {
    border-top: 1px solid rgba(227, 221, 212, 0.14);
    padding: 16px 0;
}
.footer-bottom-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 12px;
    color: rgba(227, 221, 212, 0.5);
}

/* ========== Responsive ========== */
@media (max-width: 1024px) {
    .related-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }
}

@media (max-width: 768px) {
    .article-heading h1 {
        font-size: 30px;
    }
    .breadcrumb .current {
        max-width: 220px;
    }
    .cta-band {
        padding: 40px 24px;
    }
    .cta-band h2 {
        font-size: 23px;
    }
    .header-link {
        display: none;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
}

@media (max-width: 520px) {
    .article-heading h1 {
        font-size: 25px;
    }
    .article-meta {
        flex-wrap: wrap;
        gap: 8px;
    }
    .meta-divider {
        display: none;
    }
    .related-grid {
        grid-template-columns: 1fr;
    }
    .related-section {
        padding-top: 48px;
    }
    .cta-band-wrap {
        padding: 40px 0 56px;
    }
    .cta-band {
        padding: 36px 20px;
    }
    .btn-large {
        width: 100%;
    }
    .footer-bottom-inner {
        flex-direction: column;
        text-align: center;
    }
    .search-toggle {
        display: none;
    }
}

@media (max-width: 380px) {
    .brand-row {
        gap: 8px;
    }
    .channel-nav {
        gap: 20px;
    }
}