/* roulang page: index */
:root {
            --pine: #1E4D43;
            --pine-light: #2C6E5F;
            --gold: #B08D57;
            --gold-dark: #8C6D3F;
            --cream: #FAF6F0;
            --ink: #1F2528;
            --muted: #6B7280;
            --card-bg: #FFFFFF;
            --card-border: rgba(176, 141, 87, 0.25);
            --card-border-hover: rgba(176, 141, 87, 0.6);
            --radius: 12px;
            --radius-lg: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.02);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.06), 0 2px 6px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.08), 0 4px 12px rgba(0, 0, 0, 0.04);
            --font-title: "Songti SC", "Noto Serif CJK SC", "Source Han Serif SC", serif;
            --font-body: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-body);
            background-color: var(--cream);
            color: var(--ink);
            line-height: 1.75;
            font-size: 16px;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
        }

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

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

        input,
        textarea {
            font-family: inherit;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        @media (max-width: 768px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        .section-padding {
            padding-top: 80px;
            padding-bottom: 80px;
        }

        @media (max-width: 768px) {
            .section-padding {
                padding-top: 56px;
                padding-bottom: 56px;
            }
        }

        .section-title {
            font-family: var(--font-title);
            font-size: 28px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--ink);
            letter-spacing: 0.01em;
        }

        @media (max-width: 768px) {
            .section-title {
                font-size: 22px;
            }
        }

        .section-subtitle {
            font-size: 15px;
            color: var(--muted);
            line-height: 1.7;
        }

        .text-gradient-gold {
            background: linear-gradient(135deg, #B08D57, #D4AF7A);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background-color: var(--pine);
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            padding: 0 28px;
            height: 44px;
            border-radius: 8px;
            transition: background-color 0.25s ease, transform 0.2s ease, box-shadow 0.25s ease;
            box-shadow: 0 2px 8px rgba(30, 77, 67, 0.18);
        }
        .btn-primary:hover {
            background-color: var(--pine-light);
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(30, 77, 67, 0.22);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: none;
        }
        .btn-primary:focus-visible {
            outline: 2px solid var(--gold);
            outline-offset: 3px;
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: transparent;
            color: var(--gold-dark);
            font-size: 15px;
            font-weight: 600;
            padding: 0 28px;
            height: 44px;
            border-radius: 8px;
            border: 1.5px solid var(--gold);
            transition: background-color 0.25s ease, color 0.2s ease, transform 0.2s ease, box-shadow 0.25s ease;
        }
        .btn-secondary:hover {
            background-color: var(--gold);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 4px 14px rgba(176, 141, 87, 0.25);
        }
        .btn-secondary:active {
            transform: translateY(0);
        }
        .btn-secondary:focus-visible {
            outline: 2px solid var(--gold-dark);
            outline-offset: 3px;
        }

        .btn-ghost {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: transparent;
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            padding: 0 28px;
            height: 44px;
            border-radius: 8px;
            border: 1.5px solid rgba(255, 255, 255, 0.7);
            transition: border-color 0.25s ease, background-color 0.2s ease, transform 0.2s ease;
        }
        .btn-ghost:hover {
            border-color: var(--gold);
            background-color: rgba(176, 141, 87, 0.15);
            transform: translateY(-2px);
        }
        .btn-ghost:focus-visible {
            outline: 2px solid var(--gold);
            outline-offset: 3px;
        }

        .badge-gold {
            display: inline-flex;
            align-items: center;
            background-color: rgba(176, 141, 87, 0.15);
            color: var(--gold-dark);
            font-size: 13px;
            font-weight: 500;
            padding: 3px 10px;
            border-radius: 4px;
            line-height: 1.4;
        }

        .badge-pine {
            display: inline-flex;
            align-items: center;
            background-color: var(--pine);
            color: #fff;
            font-size: 13px;
            font-weight: 500;
            padding: 3px 10px;
            border-radius: 4px;
            line-height: 1.4;
        }

        .card {
            background-color: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            transition: border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
        }
        .card:hover {
            border-color: var(--card-border-hover);
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }

        .card-media {
            position: relative;
            overflow: hidden;
            border-radius: var(--radius) var(--radius) 0 0;
        }
        .card-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .card:hover .card-media img {
            transform: scale(1.045);
        }

        .flame-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background-color: rgba(217, 68, 68, 0.92);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 4px;
            line-height: 1.3;
        }

        .duration-badge {
            position: absolute;
            right: 12px;
            bottom: 12px;
            background-color: rgba(15, 23, 42, 0.62);
            color: #fff;
            font-size: 12px;
            font-weight: 500;
            padding: 3px 8px;
            border-radius: 4px;
            line-height: 1.3;
        }

        .trust-item {
            border-left: 2px solid transparent;
            transition: background-color 0.25s ease, border-color 0.25s ease;
            padding: 14px 16px;
            border-radius: 8px;
        }
        .trust-item:hover {
            background-color: #FFFDF9;
            border-left-color: var(--gold);
        }

        .check-item {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            padding: 14px 16px;
            border-radius: 8px;
            border-left: 3px solid transparent;
            transition: background-color 0.25s ease, border-color 0.25s ease;
        }
        .check-item:hover {
            background-color: #FFFBF2;
            border-left-color: var(--gold);
        }

        .check-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            border: 1.5px solid var(--gold);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-top: 2px;
        }
        .check-icon svg {
            width: 14px;
            height: 14px;
            stroke: var(--gold-dark);
            stroke-width: 2.5;
            fill: none;
            stroke-linecap: round;
            stroke-linejoin: round;
        }

        .review-stars {
            color: #E6B91E;
            letter-spacing: 1px;
            font-size: 14px;
        }

        .horizontal-scroll {
            display: flex;
            gap: 20px;
            overflow-x: auto;
            scroll-snap-type: x mandatory;
            scrollbar-width: none;
            -ms-overflow-style: none;
            padding-bottom: 8px;
        }
        .horizontal-scroll::-webkit-scrollbar {
            display: none;
        }
        .horizontal-scroll > * {
            scroll-snap-align: start;
            flex-shrink: 0;
        }

        .scroll-btn {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background-color: #fff;
            border: 1px solid var(--card-border);
            box-shadow: var(--shadow-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--ink);
            transition: background-color 0.2s, color 0.2s, box-shadow 0.2s;
        }
        .scroll-btn:hover {
            background-color: var(--pine);
            color: #fff;
            box-shadow: var(--shadow-md);
        }
        .scroll-btn:focus-visible {
            outline: 2px solid var(--gold);
            outline-offset: 2px;
        }

        .faq-item {
            border: 1px solid var(--card-border);
            border-radius: var(--radius);
            background-color: #fff;
            margin-bottom: 14px;
            overflow: hidden;
            transition: border-color 0.25s ease, box-shadow 0.25s ease;
        }
        .faq-item.active {
            border-left: 3px solid var(--gold);
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 24px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--ink);
            transition: color 0.2s;
        }
        .faq-question:hover {
            color: var(--pine);
        }
        .faq-toggle {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background-color: rgba(176, 141, 87, 0.13);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--gold-dark);
            transition: background-color 0.2s, color 0.2s, transform 0.2s;
            flex-shrink: 0;
            margin-left: 16px;
        }
        .faq-item.active .faq-toggle {
            background-color: var(--pine);
            color: #fff;
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            opacity: 0;
            transition: max-height 0.35s ease, opacity 0.3s ease, padding 0.3s ease;
            padding: 0 24px;
            color: var(--muted);
            line-height: 1.8;
            font-size: 15px;
        }
        .faq-item.active .faq-answer {
            max-height: 500px;
            opacity: 1;
            padding: 0 24px 20px;
        }

        .section-divider {
            width: 52px;
            height: 3px;
            border-radius: 2px;
            background: linear-gradient(90deg, var(--gold), rgba(176, 141, 87, 0.2));
            margin: 12px 0 28px;
        }

        .cta-card {
            background-color: var(--pine);
            background-image: radial-gradient(circle at 85% 15%, rgba(176, 141, 87, 0.3), transparent 40%),
                radial-gradient(circle at 15% 100%, rgba(44, 110, 95, 0.5), transparent 50%);
            border-radius: var(--radius-lg);
            padding: 48px 56px;
            position: relative;
            overflow: hidden;
        }
        @media (max-width: 768px) {
            .cta-card {
                padding: 32px 24px;
                border-radius: 16px;
            }
        }

        .form-input {
            width: 100%;
            height: 44px;
            border: 1px solid rgba(255, 255, 255, 0.35);
            border-radius: 8px;
            padding: 0 16px;
            font-size: 14px;
            background-color: rgba(255, 255, 255, 0.1);
            color: #fff;
            outline: none;
            transition: border-color 0.2s, background-color 0.2s;
        }
        .form-input::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }
        .form-input:focus {
            border-color: var(--gold);
            background-color: rgba(255, 255, 255, 0.15);
        }

        .nav-link {
            position: relative;
            font-size: 15px;
            font-weight: 500;
            color: var(--ink);
            padding: 6px 4px;
            transition: color 0.2s;
        }
        .nav-link::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 0;
            height: 2px;
            border-radius: 1px;
            background-color: var(--pine);
            transition: width 0.25s ease;
        }
        .nav-link:hover {
            color: var(--pine);
        }
        .nav-link:hover::after,
        .nav-link.active::after {
            width: 100%;
        }
        .nav-link.active {
            color: var(--pine);
            font-weight: 600;
        }

        .mobile-nav-link {
            display: block;
            padding: 12px 16px;
            font-size: 15px;
            font-weight: 500;
            color: var(--ink);
            border-bottom: 1px solid rgba(176, 141, 87, 0.12);
            transition: background-color 0.2s, color 0.2s;
        }
        .mobile-nav-link:hover {
            background-color: var(--cream);
            color: var(--pine);
        }

        .footer-title {
            font-family: var(--font-title);
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }
        .footer-link {
            display: block;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            padding: 5px 0;
            transition: color 0.2s, padding-left 0.2s;
        }
        .footer-link:hover {
            color: var(--gold);
            padding-left: 4px;
        }

        .dot-pulse {
            animation: pulse 1.6s ease-in-out infinite;
        }
        @keyframes pulse {
            0% {
                opacity: 1;
            }
            50% {
                opacity: 0.4;
            }
            100% {
                opacity: 1;
            }
        }

        .scroll-down-anim {
            animation: bounceDown 2s ease-in-out infinite;
        }
        @keyframes bounceDown {
            0%, 100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(6px);
            }
        }

        .hero-cover {
            position: relative;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 20px 48px rgba(0, 0, 0, 0.25);
        }

        .play-btn {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background-color: rgba(255, 255, 255, 0.22);
            border: 2px solid rgba(255, 255, 255, 0.8);
            backdrop-filter: blur(4px);
            display: flex;
            align-items: center;
            justify-content: center;
            transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
        }
        .play-btn:hover {
            transform: translate(-50%, -50%) scale(1.07);
            border-color: var(--gold);
            box-shadow: 0 0 0 12px rgba(176, 141, 87, 0.18);
        }
        .play-btn:focus-visible {
            outline: 2px solid var(--gold);
            outline-offset: 4px;
        }
        .play-btn svg {
            width: 22px;
            height: 22px;
            margin-left: 3px;
            color: #fff;
            fill: #fff;
        }

        .mobile-menu-enter {
            animation: fadeSlideDown 0.25s ease forwards;
        }
        @keyframes fadeSlideDown {
            from {
                opacity: 0;
                transform: translateY(-10px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        @media (max-width: 1024px) {
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 640px) {
            .news-grid {
                grid-template-columns: 1fr;
            }
        }

        .empty-state {
            border: 2px dashed rgba(176, 141, 87, 0.4);
            border-radius: var(--radius);
            padding: 56px 24px;
            text-align: center;
            color: var(--muted);
            font-size: 15px;
            background-color: #FFFDF9;
        }

/* roulang page: article */
:root {
            --pine: #1E4D43;
            --pine-dark: #122C25;
            --gold: #B08D57;
            --gold-light: #C9A575;
            --cream: #FAF6F0;
            --font-title: "Songti SC", "Noto Serif CJK SC", "Source Han Serif SC", serif;
            --font-body: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            --text-main: #1F2528;
            --text-sub: #6B7280;
            --border-gold: rgba(176, 141, 87, 0.25);
            --radius-card: 12px;
            --radius-hero: 20px;
            --shadow-card: 0 4px 20px rgba(31, 37, 40, 0.06);
            --shadow-hover: 0 8px 30px rgba(31, 37, 40, 0.1);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-body);
            color: var(--text-main);
            background-color: var(--cream);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }

        .container {
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        .font-title {
            font-family: var(--font-title);
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.2s ease;
        }

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

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

        .nav-link {
            position: relative;
            font-size: 15px;
            font-weight: 500;
            color: #3D4448;
            padding: 6px 2px;
            transition: color 0.25s ease;
            letter-spacing: 0.3px;
        }

        .nav-link::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 100%;
            height: 2px;
            background: var(--gold);
            border-radius: 2px;
            transform: scaleX(0);
            transform-origin: left;
            transition: transform 0.3s ease;
        }

        .nav-link:hover {
            color: var(--pine);
        }

        .nav-link:hover::after {
            transform: scaleX(1);
        }

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

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

        .mobile-nav-link {
            display: block;
            padding: 12px 14px;
            font-size: 15px;
            font-weight: 500;
            color: #3D4448;
            border-radius: 8px;
            transition: background 0.2s ease, color 0.2s ease;
        }

        .mobile-nav-link:hover {
            background: rgba(176, 141, 87, 0.12);
            color: var(--pine);
        }

        .mobile-nav-link.active {
            color: var(--pine);
            font-weight: 600;
            background: rgba(176, 141, 87, 0.08);
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--pine);
            color: #fff;
            border-radius: 8px;
            font-weight: 600;
            height: 44px;
            padding: 0 28px;
            transition: background 0.25s ease, transform 0.2s ease, box-shadow 0.25s ease;
            box-shadow: 0 2px 8px rgba(30, 77, 67, 0.25);
            letter-spacing: 0.5px;
        }

        .btn-primary:hover {
            background: #2A6659;
            transform: translateY(-2px);
            box-shadow: 0 6px 18px rgba(30, 77, 67, 0.3);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(30, 77, 67, 0.2);
        }

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

        .btn-ghost {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border: 1px solid var(--gold);
            color: var(--gold);
            border-radius: 8px;
            font-weight: 600;
            height: 44px;
            padding: 0 28px;
            background: transparent;
            transition: background 0.25s ease, color 0.25s ease, transform 0.2s ease, box-shadow 0.25s ease;
            letter-spacing: 0.5px;
        }

        .btn-ghost:hover {
            background: var(--gold);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 18px rgba(176, 141, 87, 0.3);
        }

        .footer-title {
            font-family: var(--font-title);
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 1px;
        }

        .footer-link {
            display: block;
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            padding: 5px 0;
            transition: color 0.2s ease, padding-left 0.2s ease;
        }

        .footer-link:hover {
            color: var(--gold-light);
            padding-left: 4px;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
            gap: 4px;
        }

        .breadcrumb a {
            color: rgba(255, 255, 255, 0.7);
            transition: color 0.2s ease;
        }

        .breadcrumb a:hover {
            color: var(--gold-light);
        }

        .breadcrumb .current {
            color: rgba(255, 255, 255, 0.9);
            font-weight: 500;
            max-width: 280px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .article-content {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.85;
            color: var(--text-main);
        }

        .article-content p {
            margin-bottom: 1.4em;
        }

        .article-content h2 {
            font-family: var(--font-title);
            font-size: 24px;
            font-weight: 700;
            color: var(--pine);
            margin: 2em 0 0.8em;
            line-height: 1.4;
            padding-bottom: 8px;
            border-bottom: 1px solid rgba(176, 141, 87, 0.2);
        }

        .article-content h3 {
            font-family: var(--font-title);
            font-size: 20px;
            font-weight: 600;
            color: var(--pine);
            margin: 1.8em 0 0.7em;
            line-height: 1.4;
        }

        .article-content h4 {
            font-family: var(--font-title);
            font-size: 17px;
            font-weight: 600;
            color: var(--text-main);
            margin: 1.5em 0 0.6em;
        }

        .article-content blockquote {
            border-left: 3px solid var(--gold);
            background: rgba(176, 141, 87, 0.08);
            padding: 16px 24px;
            margin: 1.6em 0;
            border-radius: 0 8px 8px 0;
            color: #4A5560;
            font-style: normal;
        }

        .article-content blockquote p {
            margin-bottom: 0;
        }

        .article-content ul {
            margin: 1.2em 0;
            padding-left: 0;
            list-style: none;
        }

        .article-content ul li {
            position: relative;
            padding-left: 22px;
            margin-bottom: 10px;
        }

        .article-content ul li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 11px;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--gold);
        }

        .article-content ol {
            margin: 1.2em 0;
            padding-left: 0;
            list-style: none;
            counter-reset: article-list;
        }

        .article-content ol li {
            counter-increment: article-list;
            position: relative;
            padding-left: 30px;
            margin-bottom: 10px;
        }

        .article-content ol li::before {
            content: counter(article-list, decimal-leading-zero);
            position: absolute;
            left: 0;
            top: 0;
            color: var(--gold);
            font-weight: 700;
            font-size: 14px;
            font-family: var(--font-body);
        }

        .article-content img {
            border-radius: 12px;
            margin: 1.6em auto;
            box-shadow: var(--shadow-card);
        }

        .article-content a {
            color: var(--pine);
            font-weight: 500;
            text-decoration: underline;
            text-decoration-color: rgba(176, 141, 87, 0.5);
            text-underline-offset: 3px;
            transition: color 0.2s ease;
        }

        .article-content a:hover {
            color: var(--gold);
        }

        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.6em 0;
            font-size: 15px;
        }

        .article-content th {
            background: var(--cream);
            color: var(--pine);
            font-weight: 600;
            text-align: left;
        }

        .article-content th,
        .article-content td {
            border: 1px solid rgba(176, 141, 87, 0.22);
            padding: 10px 14px;
        }

        .article-content strong {
            color: var(--pine);
        }

        .related-card {
            background: #fff;
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
        }

        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(176, 141, 87, 0.6);
        }

        .related-card-img {
            height: 160px;
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .related-card-img::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 40%, rgba(18, 44, 37, 0.35));
        }

        .no-scrollbar::-webkit-scrollbar {
            display: none;
        }
        .no-scrollbar {
            -ms-overflow-style: none;
            scrollbar-width: none;
        }

        @media (max-width: 767px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .article-content {
                font-size: 15px;
            }

            .article-content h2 {
                font-size: 20px;
            }

            .article-content h3 {
                font-size: 18px;
            }

            .breadcrumb .current {
                max-width: 200px;
            }
        }

/* roulang page: category1 */
:root {
            --pine: #1E4D43;
            --pine-light: #256052;
            --gold: #B08D57;
            --gold-deep: #8a6a3f;
            --bg: #FAF6F0;
            --card: #FFFFFF;
            --text-main: #1F2528;
            --text-muted: #6B7280;
            --border-light: rgba(176, 141, 87, 0.25);
            --border-mid: rgba(176, 141, 87, 0.6);
            --radius: 12px;
            --radius-sm: 8px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 12px 28px rgba(0, 0, 0, 0.08);
            --shadow-hover: 0 18px 36px rgba(0, 0, 0, 0.08);
        }

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

        html {
            scroll-behavior: smooth;
        }

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

        .font-title {
            font-family: "Songti SC", "Noto Serif CJK SC", "Source Han Serif SC", serif;
        }

        .container {
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        @media (max-width: 768px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

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

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

        button,
        input {
            font-family: inherit;
        }

        [id] {
            scroll-margin-top: 88px;
        }

        /* 顶部信息条 */
        .topbar-link {
            color: rgba(255, 255, 255, 0.8);
            font-size: 13px;
            transition: color .2s;
        }
        .topbar-link:hover {
            color: var(--gold);
        }

        /* 导航 */
        .nav-link {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-main);
            padding: 6px 2px;
            position: relative;
            transition: color .2s;
        }
        .nav-link:hover {
            color: var(--pine);
        }
        .nav-link.active {
            color: var(--pine);
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            left: 0;
            right: 0;
            bottom: -2px;
            height: 2px;
            border-radius: 2px;
            background: var(--gold);
        }

        .mobile-nav-link {
            display: block;
            padding: 11px 16px;
            border-radius: 10px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-main);
            transition: background .2s, color .2s;
        }
        .mobile-nav-link:hover {
            background: rgba(176, 141, 87, 0.12);
            color: var(--pine);
        }
        .mobile-nav-link.active {
            color: var(--pine);
            background: rgba(30, 77, 67, 0.08);
        }

        /* 按钮 */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background-color: var(--pine);
            color: #fff;
            border-radius: 8px;
            font-weight: 500;
            border: none;
            cursor: pointer;
            transition: all .2s ease;
            white-space: nowrap;
        }
        .btn-primary:hover {
            background-color: var(--pine-light);
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(30, 77, 67, 0.18);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: none;
        }
        .btn-primary:focus-visible {
            outline: 2px solid var(--gold);
            outline-offset: 2px;
        }

        .btn-ghost {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border: 1px solid rgba(255, 255, 255, 0.65);
            color: #fff;
            border-radius: 8px;
            font-weight: 500;
            background: transparent;
            cursor: pointer;
            transition: all .2s ease;
            white-space: nowrap;
        }
        .btn-ghost:hover {
            border-color: var(--gold);
            color: var(--gold);
            transform: translateY(-2px);
        }
        .btn-ghost:focus-visible {
            outline: 2px solid var(--gold);
            outline-offset: 2px;
        }

        /* 标签黑帮 */
        .badge {
            display: inline-block;
            border-radius: 4px;
            font-size: 12px;
            padding: 3px 10px;
            font-weight: 500;
            line-height: 1.4;
        }
        .badge-gold {
            background: rgba(176, 141, 87, 0.15);
            color: var(--gold-deep);
        }
        .badge-pine {
            background: rgba(30, 77, 67, 0.1);
            color: var(--pine);
        }

        /* 板块标题 */
        .section-header {
            position: relative;
            padding-left: 18px;
        }
        .section-header::before {
            content: '';
            position: absolute;
            left: 0;
            top: 6px;
            bottom: 6px;
            width: 4px;
            border-radius: 4px;
            background: var(--gold);
        }

        /* 子分类锚点导航 */
        .sub-nav-link {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 36px;
            padding: 0 20px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-muted);
            border: 1px solid var(--border-light);
            background: transparent;
            transition: all .2s ease;
            white-space: nowrap;
        }
        .sub-nav-link:hover {
            color: var(--pine);
            border-color: var(--gold);
        }
        .sub-nav-link.active {
            background: var(--pine);
            color: #fff;
            border-color: var(--pine);
            box-shadow: 0 4px 12px rgba(30, 77, 67, 0.2);
        }

        /* 列表项 */
        .info-list-item {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: 12px;
            padding: 20px 24px;
            display: flex;
            align-items: center;
            gap: 20px;
            transition: all .25s ease;
        }
        .info-list-item:hover {
            background: var(--bg);
            border-color: var(--border-mid);
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .info-list-item:hover .info-list-title {
            color: var(--pine);
        }
        .info-list-title {
            font-family: "Songti SC", "Noto Serif CJK SC", "Source Han Serif SC", serif;
            font-weight: 700;
            font-size: 17px;
            line-height: 1.5;
            color: var(--text-main);
            transition: color .2s;
        }

        /* clamp 文本 */
        .clamp-2 {
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        /* 益处项 */
        .benefit-item {
            display: flex;
            gap: 18px;
            align-items: flex-start;
            padding: 18px 20px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 12px;
            transition: background .2s, border-color .2s, transform .2s;
        }
        .benefit-item:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: var(--gold);
            transform: translateY(-2px);
        }

        /* FAQ */
        .faq-item {
            background: var(--card);
            border: 1px solid var(--border-light);
            border-radius: 12px;
            overflow: hidden;
            transition: border-color .3s, box-shadow .3s;
        }
        .faq-item.open {
            border-color: var(--border-mid);
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            padding: 20px 24px;
            font-weight: 600;
            font-size: 15px;
            line-height: 1.5;
            cursor: pointer;
            transition: color .2s;
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
        }
        .faq-question:hover {
            color: var(--pine);
        }
        .faq-icon {
            position: relative;
            width: 20px;
            height: 20px;
            flex-shrink: 0;
        }
        .faq-icon::before,
        .faq-icon::after {
            content: '';
            position: absolute;
            background: var(--gold);
            border-radius: 1px;
        }
        .faq-icon::before {
            width: 14px;
            height: 2px;
            top: 9px;
            left: 3px;
        }
        .faq-icon::after {
            width: 2px;
            height: 14px;
            top: 3px;
            left: 9px;
            transition: transform .25s ease;
        }
        .faq-item.open .faq-icon::after {
            transform: scaleY(0);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .3s ease, padding .3s ease;
            padding: 0 24px;
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.8;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding-bottom: 22px;
        }

        /* 页脚 */
        .footer-title {
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 12px;
            color: rgba(255, 255, 255, 0.9);
        }
        .footer-link {
            display: block;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
            margin-bottom: 9px;
            transition: color .2s, padding-left .2s;
        }
        .footer-link:hover {
            color: var(--gold);
            padding-left: 3px;
        }

        /* 滚动条隐藏 */
        .no-scrollbar::-webkit-scrollbar {
            display: none;
        }
        .no-scrollbar {
            -ms-overflow-style: none;
            scrollbar-width: none;
        }

        /* 移动端菜单动画 */
        #mobileMenu {
            transition: opacity .2s ease;
        }
        #mobileMenu.hidden {
            display: none;
        }

/* roulang page: category2 */
:root {
            --pine: #1E4D43;
            --pine-light: #26695C;
            --pine-dark: #122C25;
            --gold: #B08D57;
            --gold-deep: #8A6A3A;
            --gold-light: rgba(176, 141, 87, 0.15);
            --cream: #FAF6F0;
            --card: #FFFFFF;
            --text: #1F2528;
            --muted: #6B7280;
            --border: rgba(176, 141, 87, 0.25);
            --radius: 12px;
            --radius-lg: 20px;
            --shadow-sm: 0 2px 10px rgba(30, 77, 67, 0.06);
            --shadow: 0 8px 30px rgba(30, 77, 67, 0.08);
            --shadow-hover: 0 15px 40px rgba(176, 141, 87, 0.18);
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            background: var(--cream);
            color: var(--text);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
        }
        button {
            font-family: inherit;
        }
        .font-title {
            font-family: "Songti SC", "Noto Serif CJK SC", "Source Han Serif SC", serif;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }
        @media (max-width: 640px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }
        .nav-link {
            position: relative;
            font-size: 15px;
            color: var(--text);
            font-weight: 500;
            padding: 10px 2px;
            transition: color 0.25s;
        }
        .nav-link:hover {
            color: var(--pine);
        }
        .nav-link.active {
            color: var(--pine);
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            left: 0;
            right: 0;
            bottom: -2px;
            height: 2px;
            border-radius: 2px;
            background: var(--gold);
        }
        .mobile-nav-link {
            display: block;
            padding: 12px 16px;
            font-size: 15px;
            color: var(--text);
            border-radius: 8px;
            transition: all 0.2s;
        }
        .mobile-nav-link:hover {
            background: var(--gold-light);
            color: var(--pine);
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--pine);
            color: #fff;
            border-radius: 8px;
            font-weight: 600;
            height: 44px;
            padding: 0 24px;
            font-size: 15px;
            transition: all 0.25s;
            border: none;
            cursor: pointer;
        }
        .btn-primary:hover {
            background: var(--pine-light);
            transform: translateY(-2px);
            box-shadow: 0 10px 20px rgba(30, 77, 67, 0.2);
        }
        .btn-primary:active {
            transform: translateY(0);
        }
        .btn-primary:focus-visible,
        .btn-secondary:focus-visible,
        .btn-ghost:focus-visible {
            outline: 2px solid var(--gold);
            outline-offset: 2px;
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: transparent;
            color: var(--gold-deep);
            border: 1px solid var(--gold);
            border-radius: 8px;
            font-weight: 600;
            height: 44px;
            padding: 0 24px;
            font-size: 15px;
            transition: all 0.25s;
            cursor: pointer;
        }
        .btn-secondary:hover {
            background: var(--gold);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(176, 141, 87, 0.25);
        }
        .btn-ghost {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: transparent;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.6);
            border-radius: 8px;
            font-weight: 600;
            height: 44px;
            padding: 0 24px;
            font-size: 15px;
            transition: all 0.25s;
            cursor: pointer;
        }
        .btn-ghost:hover {
            border-color: var(--gold);
            color: var(--gold);
            transform: translateY(-2px);
        }
        .card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 24px;
            transition: all 0.3s;
        }
        .card:hover {
            border-color: rgba(176, 141, 87, 0.6);
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .tag {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 4px 12px;
            border-radius: 4px;
            font-size: 12px;
            font-weight: 500;
            background: var(--gold-light);
            color: var(--gold-deep);
        }
        .badge-dark {
            display: inline-flex;
            align-items: center;
            padding: 4px 10px;
            border-radius: 4px;
            font-size: 12px;
            font-weight: 500;
            background: var(--pine);
            color: #fff;
        }
        .section-title {
            font-family: "Songti SC", "Noto Serif CJK SC", "Source Han Serif SC", serif;
            font-size: 30px;
            font-weight: 800;
            color: var(--text);
            line-height: 1.3;
        }
        @media (max-width: 768px) {
            .section-title {
                font-size: 24px;
            }
        }
        .section-subtitle {
            font-size: 15px;
            color: var(--muted);
            margin-top: 8px;
            line-height: 1.7;
        }
        .gold-divider {
            width: 48px;
            height: 3px;
            border-radius: 4px;
            background: var(--gold);
            margin-top: 16px;
        }
        .faq-item {
            border: 1px solid var(--border);
            border-radius: 12px;
            background: #fff;
            transition: all 0.3s;
            overflow: hidden;
        }
        .faq-item.open {
            border-color: rgba(176, 141, 87, 0.5);
            box-shadow: var(--shadow);
        }
        .faq-item.open {
            border-left: 3px solid var(--gold);
        }
        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 24px;
            cursor: pointer;
            font-weight: 600;
            font-size: 16px;
            transition: color 0.2s;
        }
        .faq-question:hover {
            color: var(--pine);
        }
        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--gold-light);
            color: var(--gold-deep);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 700;
            flex-shrink: 0;
            transition: all 0.3s;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
            padding: 0 24px;
            font-size: 14px;
            color: var(--muted);
            line-height: 1.8;
        }
        .faq-answer-inner {
            padding-bottom: 20px;
        }
        .footer-title {
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 14px;
            color: #fff;
        }
        .footer-link {
            display: block;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
            padding: 5px 0;
            transition: color 0.2s;
        }
        .footer-link:hover {
            color: var(--gold);
        }
        .list-check {
            display: flex;
            gap: 12px;
            align-items: flex-start;
            padding: 18px 16px;
            border-radius: 12px;
            transition: all 0.25s;
            border-left: 3px solid transparent;
        }
        .list-check:hover {
            background: #fff;
            border-left-color: var(--gold);
        }
        .list-check-icon {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            border: 2px solid var(--gold);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            color: var(--gold-deep);
            font-size: 12px;
            font-weight: 700;
            margin-top: 2px;
        }
        .process-step {
            text-align: center;
            position: relative;
        }
        .process-num {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: var(--pine);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 19px;
            margin: 0 auto 16px;
            box-shadow: inset 0 -2px 0 rgba(0, 0, 0, 0.12), 0 8px 20px rgba(30, 77, 67, 0.18);
        }
        .process-line {
            position: absolute;
            top: 26px;
            left: 60%;
            right: -40%;
            height: 2px;
            background: rgba(176, 141, 87, 0.3);
        }
        @media (max-width: 768px) {
            .process-line {
                display: none;
            }
        }
        .service-row {
            display: grid;
            grid-template-columns: 1fr auto;
            gap: 24px;
            align-items: center;
            padding: 20px 8px;
            border-bottom: 1px solid rgba(176, 141, 87, 0.15);
            transition: all 0.25s;
        }
        .service-row:hover {
            background: var(--cream);
            padding-left: 20px;
            padding-right: 20px;
            border-radius: 10px;
        }
        .service-row:last-child {
            border-bottom: none;
        }
        .form-input {
            width: 100%;
            height: 44px;
            border: 1px solid rgba(255, 255, 255, 0.25);
            background: rgba(255, 255, 255, 0.1);
            border-radius: 8px;
            color: #fff;
            padding: 0 14px;
            font-size: 14px;
            outline: none;
            transition: all 0.25s;
        }
        .form-input::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }
        .form-input:focus {
            border-color: var(--gold);
            background: rgba(255, 255, 255, 0.15);
        }
        .hide-scrollbar::-webkit-scrollbar {
            display: none;
        }
        .hide-scrollbar {
            -ms-overflow-style: none;
            scrollbar-width: none;
        }