/* roulang page: index */
:root {
            --color-primary: #0E3B2E;
            --color-primary-light: #1C5C47;
            --color-primary-dark: #08241C;
            --color-accent: #C6A15B;
            --color-accent-light: #E0C48C;
            --color-bg: #F8F4EC;
            --color-surface: #FFFFFF;
            --color-text: #1F2A24;
            --color-text-secondary: #5A6B62;
            --color-border: #E7DFCE;
            --color-danger: #6E2B2F;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "Noto Sans SC", "Source Han Sans SC", "Microsoft YaHei", sans-serif;
            background: var(--color-bg);
            color: var(--color-text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

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

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

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

        .container-custom {
            max-width: 1280px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1rem;
            padding-right: 1rem;
        }

        @media (min-width: 768px) {
            .container-custom {
                padding-left: 1.5rem;
                padding-right: 1.5rem;
            }
        }

        @media (min-width: 1024px) {
            .container-custom {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }

        /* ===== Header/Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(248, 244, 236, 0.97);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--color-border);
            transition: box-shadow 0.3s ease;
        }

        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(14, 59, 46, 0.08);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            height: 76px;
            gap: 2rem;
        }

        .nav-group {
            display: flex;
            align-items: center;
            gap: 1.75rem;
        }

        .nav-link {
            font-size: 0.875rem;
            letter-spacing: 0.04em;
            color: var(--color-text);
            padding: 0.5rem 0.25rem;
            position: relative;
            font-weight: 500;
            white-space: nowrap;
        }

        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            background: var(--color-accent);
            transition: width 0.3s ease;
        }

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

        .nav-link:hover::after {
            width: 100%;
        }

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

        .nav-link.active::after {
            width: 100%;
        }

        .logo-wrap {
            text-align: center;
            flex-shrink: 0;
            padding: 0 1rem;
        }

        .logo-text {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-primary);
            font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif;
            letter-spacing: 0.02em;
            line-height: 1.3;
            white-space: nowrap;
        }

        .logo-en {
            display: block;
            font-size: 0.58rem;
            letter-spacing: 0.32em;
            color: var(--color-accent);
            text-transform: uppercase;
            margin-top: 2px;
            font-weight: 500;
        }

        .mobile-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 8px;
            align-items: center;
            justify-content: center;
            color: var(--color-primary);
            background: transparent;
        }

        .mobile-toggle:hover {
            background: rgba(198, 161, 91, 0.1);
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: 76px;
            left: 0;
            right: 0;
            background: var(--color-primary-dark);
            padding: 2rem 1.5rem;
            z-index: 99;
            flex-direction: column;
            gap: 0.5rem;
            border-bottom: 3px solid var(--color-accent);
        }

        .mobile-menu.open {
            display: flex;
        }

        .mobile-menu a {
            color: rgba(248, 244, 236, 0.9);
            font-size: 1.125rem;
            padding: 0.75rem 0.5rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            letter-spacing: 0.05em;
        }

        .mobile-menu a:last-child {
            border-bottom: none;
        }

        .mobile-menu a:hover {
            color: var(--color-accent-light);
            padding-left: 1rem;
        }

        .mobile-menu a.active {
            color: var(--color-accent-light);
        }

        @media (max-width: 1023px) {
            .nav-group {
                display: none;
            }

            .mobile-toggle {
                display: flex;
                position: absolute;
                right: 0;
                top: 50%;
                transform: translateY(-50%);
            }

            .nav-inner {
                justify-content: flex-start;
                height: 68px;
            }

            .logo-wrap {
                margin: 0 auto;
            }

            .mobile-menu {
                top: 68px;
            }
        }

        /* ===== Hero ===== */
        .hero-section {
            position: relative;
            min-height: 92vh;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to bottom, rgba(8, 36, 28, 0.82), rgba(8, 36, 28, 0.62));
        }

        .hero-grid-overlay {
            position: absolute;
            inset: 0;
            background-image: linear-gradient(rgba(198, 161, 91, 0.05) 1px, transparent 1px),
                linear-gradient(90deg, rgba(198, 161, 91, 0.05) 1px, transparent 1px);
            background-size: 60px 60px;
            opacity: 0.6;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 860px;
            padding: 4rem 0;
        }

        .hero-eyebrow {
            display: inline-block;
            font-size: 0.75rem;
            letter-spacing: 0.28em;
            color: var(--color-accent-light);
            text-transform: uppercase;
            margin-bottom: 1.5rem;
            padding: 0.35rem 1rem;
            border: 1px solid rgba(198, 161, 91, 0.4);
            border-radius: 9999px;
            background: rgba(198, 161, 91, 0.08);
        }

        .hero-title {
            font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif;
            font-size: 2.75rem;
            font-weight: 700;
            line-height: 1.25;
            color: #ffffff;
            margin-bottom: 1.5rem;
        }

        .hero-title .highlight {
            color: var(--color-accent);
        }

        .hero-subtitle {
            font-size: 1.125rem;
            color: rgba(255, 255, 255, 0.82);
            line-height: 1.8;
            margin-bottom: 2.5rem;
            max-width: 640px;
        }

        .hero-actions {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 0.875rem 2.25rem;
            background: var(--color-primary);
            color: #f8f4ec;
            border-radius: 9999px;
            font-size: 0.95rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            border: 2px solid var(--color-primary);
            transition: all 0.3s ease;
        }

        .btn-primary:hover {
            background: var(--color-accent);
            border-color: var(--color-accent);
            color: var(--color-primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(198, 161, 91, 0.3);
        }

        .btn-primary:focus {
            outline: none;
            box-shadow: 0 0 0 3px rgba(198, 161, 91, 0.4);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 0.875rem 2.25rem;
            background: transparent;
            color: rgba(255, 255, 255, 0.92);
            border-radius: 9999px;
            font-size: 0.95rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            border: 2px solid var(--color-accent);
            transition: all 0.3s ease;
        }

        .btn-secondary:hover {
            background: rgba(198, 161, 91, 0.15);
            color: #ffffff;
            transform: translateY(-2px);
        }

        .btn-secondary:focus {
            outline: none;
            box-shadow: 0 0 0 3px rgba(198, 161, 91, 0.35);
        }

        .hero-scroll {
            position: absolute;
            bottom: 2rem;
            left: 50%;
            transform: translateX(-50%);
            color: rgba(255, 255, 255, 0.4);
            font-size: 1.5rem;
            animation: bounceDown 2s ease infinite;
            z-index: 2;
        }

        @keyframes bounceDown {
            0%,
            100% {
                transform: translate(-50%, 0);
            }
            50% {
                transform: translate(-50%, 10px);
            }
        }

        @media (max-width: 768px) {
            .hero-title {
                font-size: 2rem;
            }
            .hero-subtitle {
                font-size: 1rem;
            }
            .hero-actions {
                flex-direction: column;
                width: 100%;
            }
            .btn-primary,
            .btn-secondary {
                width: 100%;
            }
        }

        /* ===== Section Common ===== */
        .section {
            padding: 4.5rem 0;
        }

        .section-sm {
            padding: 3rem 0;
        }

        .section-header {
            text-align: center;
            margin-bottom: 3.5rem;
        }

        .section-title {
            font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif;
            font-size: 2.25rem;
            font-weight: 600;
            line-height: 1.3;
            color: var(--color-text);
            position: relative;
            display: inline-block;
            padding-bottom: 1rem;
        }

        .section-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 40px;
            height: 2px;
            background: var(--color-accent);
        }

        .section-subtitle {
            font-size: 1rem;
            color: var(--color-text-secondary);
            max-width: 640px;
            margin: 1.25rem auto 0;
            line-height: 1.7;
        }

        @media (max-width: 768px) {
            .section {
                padding: 3rem 0;
            }
            .section-title {
                font-size: 1.75rem;
            }
        }

        /* ===== Service Cards ===== */
        .service-card {
            background: var(--color-surface);
            border-radius: 12px;
            box-shadow: 0 4px 16px rgba(14, 59, 46, 0.08);
            overflow: hidden;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            border: 1px solid transparent;
            border-left: 3px solid var(--color-accent);
            display: flex;
        }

        .service-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 8px 28px rgba(14, 59, 46, 0.14);
        }

        .service-card-media {
            width: 45%;
            min-height: 220px;
            background-size: cover;
            background-position: center;
            flex-shrink: 0;
        }

        .service-card-body {
            padding: 2rem 1.75rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .service-card-num {
            font-family: "Noto Serif SC", serif;
            font-size: 2.75rem;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1;
            margin-bottom: 0.5rem;
            opacity: 0.85;
        }

        .service-card h3 {
            font-family: "Noto Serif SC", serif;
            font-size: 1.25rem;
            font-weight: 600;
            margin-bottom: 0.75rem;
            color: var(--color-text);
        }

        .service-card p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin-bottom: 1.25rem;
            flex: 1;
        }

        .service-card-link {
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--color-primary);
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            transition: color 0.3s ease, gap 0.3s ease;
        }

        .service-card-link:hover {
            color: var(--color-accent);
            gap: 0.65rem;
        }

        .service-card-reverse .service-card-media {
            order: 2;
        }

        .service-card-reverse .service-card-body {
            order: 1;
        }

        @media (max-width: 768px) {
            .service-card {
                flex-direction: column;
            }
            .service-card-media {
                width: 100%;
                min-height: 160px;
            }
            .service-card-reverse .service-card-media {
                order: 1;
            }
            .service-card-reverse .service-card-body {
                order: 2;
            }
        }

        /* ===== Stats ===== */
        .stats-section {
            background: var(--color-primary-dark);
            position: relative;
            border-top: 1px solid rgba(198, 161, 91, 0.4);
            border-bottom: 1px solid rgba(198, 161, 91, 0.4);
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 2rem;
        }

        .stat-item {
            text-align: center;
            padding: 1.5rem 0;
        }

        .stat-number {
            font-family: "Noto Serif SC", serif;
            font-size: 3.25rem;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1.2;
        }

        .stat-number .suffix {
            font-size: 1.5rem;
            margin-left: 2px;
        }

        .stat-label {
            font-size: 0.875rem;
            color: rgba(248, 244, 236, 0.72);
            margin-top: 0.35rem;
        }

        .stat-divider {
            width: 20px;
            height: 2px;
            background: var(--color-accent);
            margin: 0.75rem auto 0;
            opacity: 0.7;
        }

        @media (max-width: 768px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1rem;
            }
            .stat-number {
                font-size: 2.25rem;
            }
        }

        /* ===== Cases ===== */
        .cases-scroll {
            display: flex;
            gap: 1.5rem;
            overflow-x: auto;
            padding-bottom: 1.5rem;
            scroll-snap-type: x mandatory;
            scrollbar-width: thin;
            scrollbar-color: var(--color-accent) transparent;
        }

        .cases-scroll::-webkit-scrollbar {
            height: 4px;
        }

        .cases-scroll::-webkit-scrollbar-track {
            background: transparent;
        }

        .cases-scroll::-webkit-scrollbar-thumb {
            background: var(--color-accent);
            border-radius: 9999px;
        }

        .case-card {
            flex: 0 0 280px;
            scroll-snap-align: start;
            border-radius: 12px;
            overflow: hidden;
            background: var(--color-surface);
            box-shadow: 0 4px 16px rgba(14, 59, 46, 0.08);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

        .case-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 8px 28px rgba(14, 59, 46, 0.16);
        }

        .case-card-media {
            height: 260px;
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .case-card-media::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(8, 36, 28, 0.35), transparent);
        }

        .case-card-body {
            padding: 1.25rem 1.25rem 1.5rem;
        }

        .case-card-tag {
            font-size: 0.7rem;
            letter-spacing: 0.12em;
            color: var(--color-accent);
            text-transform: uppercase;
            font-weight: 600;
            margin-bottom: 0.5rem;
            padding-bottom: 0.35rem;
            border-bottom: 1px solid var(--color-border);
            display: inline-block;
        }

        .case-card h3 {
            font-family: "Noto Serif SC", serif;
            font-size: 1.15rem;
            font-weight: 600;
            line-height: 1.5;
            color: var(--color-text);
        }

        @media (min-width: 1440px) {
            .case-card {
                flex-basis: 300px;
            }
        }

        /* ===== News Cards ===== */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }

        .news-card {
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: 12px;
            padding: 1.75rem;
            display: flex;
            flex-direction: column;
            transition: all 0.3s ease;
        }

        .news-card:hover {
            border-color: var(--color-accent);
            transform: translateY(-3px);
            box-shadow: 0 8px 24px rgba(14, 59, 46, 0.1);
        }

        .news-category {
            font-size: 0.72rem;
            letter-spacing: 0.1em;
            color: var(--color-accent);
            font-weight: 600;
            margin-bottom: 0.75rem;
            padding-bottom: 0.5rem;
            border-bottom: 1px solid var(--color-border);
            display: inline-block;
            align-self: flex-start;
        }

        .news-card h3 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--color-primary);
            line-height: 1.6;
            margin-bottom: 0.75rem;
            transition: color 0.3s ease;
        }

        .news-card:hover h3 {
            color: #8a6d3b;
        }

        .news-summary {
            font-size: 0.875rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin-bottom: 1.25rem;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
        }

        .news-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.78rem;
            color: var(--color-text-secondary);
            border-top: 1px solid var(--color-border);
            padding-top: 0.85rem;
        }

        .news-meta a {
            color: var(--color-primary);
            font-weight: 500;
            transition: color 0.3s;
        }

        .news-meta a:hover {
            color: var(--color-accent);
        }

        .news-empty {
            background: var(--color-surface);
            border: 1px dashed var(--color-border);
            border-radius: 12px;
            padding: 4rem 2rem;
            text-align: center;
            color: var(--color-text-secondary);
        }

        .news-empty svg {
            margin: 0 auto 1rem;
            width: 48px;
            height: 48px;
            stroke: var(--color-border);
        }

        .news-empty p {
            font-size: 0.95rem;
        }

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

        @media (max-width: 640px) {
            .news-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== FAQ ===== */
        .faq-wrapper {
            max-width: 760px;
            margin: 0 auto;
        }

        .faq-item {
            border-bottom: 1px solid var(--color-border);
            transition: background 0.3s ease;
        }

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

        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1.5rem 0.5rem;
            cursor: pointer;
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-text);
            transition: color 0.3s ease;
            width: 100%;
            text-align: left;
            background: transparent;
        }

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

        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            border: 2px solid var(--color-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: var(--color-accent);
            flex-shrink: 0;
            transition: transform 0.3s ease, background 0.3s ease, color 0.3s ease;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding-left: 0.5rem;
            padding-right: 0.5rem;
            color: var(--color-text-secondary);
            font-size: 0.9rem;
            line-height: 1.75;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding-bottom: 1.5rem;
        }

        .faq-item.open {
            background: rgba(14, 59, 46, 0.04);
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--color-bg);
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
            text-align: center;
        }

        .cta-title {
            font-family: "Noto Serif SC", serif;
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 1rem;
        }

        .cta-desc {
            font-size: 1.05rem;
            color: var(--color-text-secondary);
            max-width: 560px;
            margin: 0 auto 2rem;
            line-height: 1.8;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--color-primary-dark);
            color: rgba(248, 244, 236, 0.7);
            padding: 4rem 0 0;
        }

        .footer-top-line {
            width: 100%;
            height: 2px;
            background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
            margin-bottom: 3rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1.2fr;
            gap: 3rem;
            padding-bottom: 2.5rem;
        }

        .footer-logo {
            font-family: "Noto Serif SC", serif;
            font-size: 1.5rem;
            font-weight: 700;
            color: #f8f4ec;
        }

        .footer-logo-en {
            font-size: 0.6rem;
            letter-spacing: 0.3em;
            color: var(--color-accent);
            text-transform: uppercase;
            margin-top: 4px;
            display: block;
        }

        .footer-desc {
            font-size: 0.875rem;
            line-height: 1.8;
            margin-top: 1rem;
            color: rgba(248, 244, 236, 0.6);
        }

        .footer-title {
            font-size: 0.95rem;
            font-weight: 600;
            color: #f8f4ec;
            margin-bottom: 1.25rem;
            letter-spacing: 0.06em;
        }

        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.6rem;
        }

        .footer-links a {
            font-size: 0.875rem;
            color: rgba(248, 244, 236, 0.6);
            transition: color 0.3s ease, padding-left 0.3s ease;
        }

        .footer-links a:hover {
            color: var(--color-accent-light);
            padding-left: 6px;
        }

        .footer-contact {
            font-size: 0.875rem;
            line-height: 1.9;
            color: rgba(248, 244, 236, 0.6);
        }

        .footer-contact a {
            color: rgba(248, 244, 236, 0.7);
            transition: color 0.3s;
        }

        .footer-contact a:hover {
            color: var(--color-accent-light);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 1.25rem 0;
            text-align: center;
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.38);
        }

        @media (max-width: 900px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
        }

        /* ===== Misc ===== */
        .section-number {
            font-family: "Noto Serif SC", serif;
            font-size: 2.5rem;
            color: rgba(198, 161, 91, 0.6);
            line-height: 1;
            margin-bottom: 0.75rem;
        }

        .badge {
            display: inline-block;
            padding: 0.25rem 0.75rem;
            background: rgba(198, 161, 91, 0.12);
            border: 1px solid rgba(198, 161, 91, 0.35);
            border-radius: 9999px;
            font-size: 0.7rem;
            letter-spacing: 0.08em;
            color: #8a6d3b;
            font-weight: 600;
        }

/* roulang page: category1 */
:root {
            --color-primary: #0E3B2E;
            --color-primary-light: #1C5C47;
            --color-primary-dark: #08241C;
            --color-accent: #C6A15B;
            --color-accent-light: #E0C48C;
            --color-bg: #F8F4EC;
            --color-surface: #FFFFFF;
            --color-text: #1F2A24;
            --color-text-secondary: #5A6B62;
            --color-border: #E7DFCE;
            --color-danger: #6E2B2F;
            --radius-card: 12px;
            --shadow-card: 0 4px 16px rgba(14, 59, 46, 0.08);
            --transition-base: all 0.3s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "Noto Sans SC", "Source Han Sans SC", "Microsoft YaHei", sans-serif;
            font-size: 16px;
            line-height: 1.8;
            color: var(--color-text);
            background-color: var(--color-bg);
            -webkit-font-smoothing: antialiased;
        }

        h1, h2, h3, h4, h5 {
            font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif;
            font-weight: 600;
            line-height: 1.35;
            color: var(--color-primary);
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition-base);
        }

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

        ul, ol {
            list-style: none;
        }

        .container-custom {
            max-width: 1280px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1rem;
            padding-right: 1rem;
        }

        @media (min-width: 768px) {
            .container-custom {
                padding-left: 1.5rem;
                padding-right: 1.5rem;
            }
        }

        @media (min-width: 1024px) {
            .container-custom {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background-color: var(--color-bg);
            border-bottom: 1px solid var(--color-border);
            backdrop-filter: blur(8px);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 80px;
        }

        .nav-group {
            display: none;
            align-items: center;
            gap: 2rem;
        }

        .nav-link {
            position: relative;
            font-size: 14px;
            font-weight: 500;
            letter-spacing: 0.04em;
            color: var(--color-text);
            padding: 8px 2px;
            transition: color 0.3s ease;
        }

        .nav-link::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 0;
            height: 2px;
            background-color: var(--color-accent);
            transition: width 0.3s ease;
        }

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

        .nav-link:hover::after,
        .nav-link.active::after {
            width: 100%;
        }

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

        .logo-wrap {
            display: flex;
            flex-direction: column;
            align-items: center;
            line-height: 1.1;
            flex-shrink: 0;
        }

        .logo-text {
            font-family: "Noto Serif SC", serif;
            font-size: 22px;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.02em;
        }

        .logo-en {
            font-size: 10px;
            letter-spacing: 0.28em;
            color: var(--color-accent);
            text-transform: uppercase;
            margin-top: 2px;
        }

        .mobile-toggle {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border: 1px solid var(--color-border);
            border-radius: 8px;
            background: var(--color-surface);
            color: var(--color-primary);
            cursor: pointer;
            transition: var(--transition-base);
        }

        .mobile-toggle:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
        }

        .mobile-menu {
            display: none;
            position: absolute;
            top: 80px;
            left: 0;
            right: 0;
            background-color: var(--color-primary-dark);
            padding: 24px;
            flex-direction: column;
            gap: 18px;
            z-index: 49;
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.18);
        }

        .mobile-menu.open {
            display: flex;
        }

        .mobile-menu a {
            color: rgba(248, 244, 236, 0.92);
            font-size: 16px;
            font-weight: 500;
            padding: 10px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            transition: color 0.3s ease;
        }

        .mobile-menu a:hover {
            color: var(--color-accent-light);
        }

        .mobile-menu a.active {
            color: var(--color-accent-light);
        }

        .mobile-menu a.btn-mobile-cta {
            background: var(--color-accent);
            color: var(--color-primary-dark);
            text-align: center;
            border-radius: 999px;
            padding: 12px 20px;
            border: none;
            font-weight: 600;
            margin-top: 8px;
        }

        @media (min-width: 768px) {
            .nav-group {
                display: flex;
            }

            .mobile-toggle {
                display: none;
            }

            .nav-inner {
                gap: 2rem;
            }
        }

        /* ===== Page Hero ===== */
        .page-hero {
            position: relative;
            background-image: linear-gradient(to bottom, rgba(8, 36, 28, 0.82), rgba(8, 36, 28, 0.6)),
            url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            padding: 96px 0 72px;
            text-align: center;
            overflow: hidden;
        }

        .page-hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
        }

        .breadcrumb {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: rgba(248, 244, 236, 0.65);
            margin-bottom: 28px;
            letter-spacing: 0.03em;
        }

        .breadcrumb a {
            color: rgba(248, 244, 236, 0.8);
            transition: color 0.3s ease;
        }

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

        .breadcrumb .sep {
            color: rgba(248, 244, 236, 0.4);
        }

        .breadcrumb .current {
            color: var(--color-accent-light);
        }

        .page-hero h1 {
            font-size: 38px;
            font-weight: 700;
            color: #FFFFFF;
            letter-spacing: 0.04em;
            margin-bottom: 16px;
        }

        .page-hero .hero-sub {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.82);
            max-width: 560px;
            margin: 0 auto 32px;
            line-height: 1.7;
            letter-spacing: 0.02em;
        }

        .hero-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 32px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 600;
            background-color: var(--color-accent);
            color: var(--color-primary-dark);
            border: 1px solid var(--color-accent);
            transition: var(--transition-base);
            cursor: pointer;
        }

        .hero-btn:hover {
            background-color: var(--color-accent-light);
            border-color: var(--color-accent-light);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(198, 161, 91, 0.25);
        }

        .hero-btn:focus-visible {
            outline: none;
            box-shadow: 0 0 0 3px rgba(198, 161, 91, 0.45);
        }

        @media (min-width: 768px) {
            .page-hero {
                padding: 120px 0 88px;
            }

            .page-hero h1 {
                font-size: 48px;
            }

            .page-hero .hero-sub {
                font-size: 19px;
            }
        }

        /* ===== Section Common ===== */
        .section {
            padding: 72px 0;
        }

        .section-alt {
            background-color: var(--color-surface);
        }

        .section-head {
            text-align: center;
            margin-bottom: 52px;
        }

        .section-title {
            font-size: 32px;
            font-weight: 600;
            color: var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            margin-bottom: 12px;
        }

        .section-title::before,
        .section-title::after {
            content: '';
            width: 40px;
            height: 2px;
            background-color: var(--color-accent);
            border-radius: 2px;
        }

        .section-subtitle {
            font-size: 15px;
            color: var(--color-text-secondary);
            max-width: 520px;
            margin: 0 auto;
            line-height: 1.7;
        }

        @media (min-width: 768px) {
            .section {
                padding: 96px 0;
            }

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

        /* ===== Category Intro ===== */
        .category-intro {
            background-color: var(--color-bg);
        }

        .intro-inner {
            max-width: 840px;
            margin: 0 auto;
            text-align: center;
        }

        .intro-text {
            font-size: 16px;
            line-height: 1.9;
            color: var(--color-text);
            text-align: left;
        }

        .intro-text p {
            margin-bottom: 20px;
        }

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

        .intro-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(198, 161, 91, 0.12);
            border: 1px solid rgba(198, 161, 91, 0.3);
            color: var(--color-accent);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 18px;
            border-radius: 999px;
            margin-bottom: 24px;
            letter-spacing: 0.06em;
        }

        .intro-badge svg {
            width: 14px;
            height: 14px;
        }

        /* ===== Service Cards ===== */
        .service-cards {
            background-color: var(--color-surface);
        }

        .cards-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 28px;
            max-width: 1100px;
            margin: 0 auto;
        }

        .service-card {
            background-color: var(--color-bg);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
            position: relative;
            box-shadow: 0 2px 10px rgba(14, 59, 46, 0.04);
        }

        .service-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card);
            border-left: 3px solid var(--color-accent);
        }

        .service-card-image {
            height: 200px;
            overflow: hidden;
            border-radius: 0;
        }

        .service-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.65s ease;
        }

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

        .service-card-body {
            padding: 28px 24px 24px;
        }

        .card-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.08em;
            color: var(--color-accent);
            margin-bottom: 12px;
            position: relative;
            padding-bottom: 4px;
        }

        .card-tag::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 24px;
            height: 1px;
            background-color: var(--color-accent);
        }

        .service-card h3 {
            font-size: 22px;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 12px;
        }

        .service-card p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.75;
            margin-bottom: 20px;
        }

        .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--color-primary-light);
            transition: color 0.3s ease;
        }

        .card-link svg {
            width: 16px;
            height: 16px;
            transition: transform 0.3s ease;
        }

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

        .card-link:hover svg {
            transform: translateX(4px);
        }

        @media (min-width: 768px) {
            .cards-grid {
                grid-template-columns: 1fr 1fr;
            }

            .service-card:last-child {
                grid-column: span 2;
            }

            .service-card:last-child .service-card-image {
                height: 220px;
            }

            .service-card:nth-child(2) .service-card-image {
                order: 2;
            }
        }

        /* ===== Process ===== */
        .process-section {
            background-color: var(--color-bg);
            position: relative;
        }

        .process-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 70%;
            max-width: 720px;
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
        }

        .process-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 36px;
            max-width: 1000px;
            margin: 0 auto;
        }

        .process-step {
            position: relative;
            padding: 32px 28px;
            background-color: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            transition: box-shadow 0.3s ease, transform 0.3s ease;
        }

        .process-step:hover {
            box-shadow: var(--shadow-card);
            transform: translateY(-3px);
        }

        .step-number {
            font-family: "Noto Serif SC", serif;
            font-size: 36px;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1;
            margin-bottom: 16px;
            display: block;
        }

        .process-step h3 {
            font-size: 19px;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 10px;
        }

        .process-step p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.75;
            margin: 0;
        }

        @media (min-width: 768px) {
            .process-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }

        /* ===== FAQ ===== */
        .faq-section {
            background-color: var(--color-surface);
        }

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

        .faq-item {
            background-color: var(--color-bg);
            border: 1px solid var(--color-border);
            border-radius: 12px;
            margin-bottom: 14px;
            overflow: hidden;
            transition: border-color 0.3s ease;
        }

        .faq-item:hover {
            border-color: var(--color-accent);
        }

        .faq-item.active {
            border-color: var(--color-accent);
            box-shadow: 0 4px 16px rgba(14, 59, 46, 0.06);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 22px 24px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--color-primary);
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            font-family: "Noto Sans SC", sans-serif;
            transition: color 0.3s ease;
        }

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

        .faq-question:focus-visible {
            outline: none;
            box-shadow: 0 0 0 3px rgba(198, 161, 91, 0.3);
            border-radius: 12px;
        }

        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border: 1px solid var(--color-border);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 400;
            color: var(--color-accent);
            transition: transform 0.35s ease, background-color 0.3s ease;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 24px;
        }

        .faq-answer p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.8;
            padding-bottom: 22px;
            border-top: 1px solid rgba(231, 223, 206, 0.6);
            padding-top: 18px;
        }

        /* ===== CTA ===== */
        .cta-section {
            background-color: var(--color-bg);
            position: relative;
        }

        .cta-section::before,
        .cta-section::after {
            content: '';
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
            width: 60%;
            max-width: 640px;
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
        }

        .cta-section::before {
            top: 0;
        }

        .cta-section::after {
            bottom: 0;
        }

        .cta-inner {
            max-width: 720px;
            margin: 0 auto;
            text-align: center;
            padding: 16px 0;
        }

        .cta-inner h2 {
            font-size: 30px;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 16px;
        }

        .cta-inner p {
            font-size: 16px;
            color: var(--color-text-secondary);
            margin-bottom: 32px;
            line-height: 1.8;
        }

        .cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 40px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 600;
            background-color: var(--color-primary);
            color: #F8F4EC;
            border: 1px solid var(--color-primary);
            transition: var(--transition-base);
            cursor: pointer;
        }

        .cta-btn:hover {
            background-color: var(--color-accent);
            border-color: var(--color-accent);
            color: var(--color-primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(198, 161, 91, 0.25);
        }

        .cta-btn:focus-visible {
            outline: none;
            box-shadow: 0 0 0 3px rgba(198, 161, 91, 0.45);
        }

        /* ===== Footer ===== */
        .site-footer {
            background-color: var(--color-primary-dark);
            color: rgba(248, 244, 236, 0.7);
            padding: 64px 0 32px;
        }

        .footer-top-line {
            height: 2px;
            width: 80px;
            background: linear-gradient(90deg, var(--color-accent), var(--color-accent-light));
            border-radius: 2px;
            margin-bottom: 44px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 40px;
            margin-bottom: 44px;
        }

        .footer-logo {
            font-family: "Noto Serif SC", serif;
            font-size: 20px;
            font-weight: 700;
            color: #F8F4EC;
            letter-spacing: 0.02em;
            display: block;
        }

        .footer-logo-en {
            font-size: 10px;
            letter-spacing: 0.28em;
            color: var(--color-accent);
            text-transform: uppercase;
            display: block;
            margin-top: 4px;
        }

        .footer-desc {
            font-size: 13px;
            line-height: 1.8;
            color: rgba(248, 244, 236, 0.55);
            margin-top: 16px;
            max-width: 280px;
        }

        .footer-title {
            font-size: 15px;
            font-weight: 600;
            color: #F8F4EC;
            margin-bottom: 18px;
            letter-spacing: 0.06em;
        }

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

        .footer-links a {
            font-size: 14px;
            color: rgba(248, 244, 236, 0.65);
            transition: color 0.3s ease, padding-left 0.3s ease;
        }

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

        .footer-contact p {
            font-size: 14px;
            color: rgba(248, 244, 236, 0.65);
            margin-bottom: 12px;
            line-height: 1.7;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 24px;
            text-align: center;
        }

        .footer-bottom p {
            font-size: 12px;
            color: rgba(248, 244, 236, 0.4);
            letter-spacing: 0.02em;
        }

        @media (min-width: 768px) {
            .footer-grid {
                grid-template-columns: 2fr 1fr 1.5fr;
                gap: 60px;
            }
        }

        /* ===== Responsive ===== */
        @media (max-width: 520px) {
            .section-title {
                font-size: 26px;
                flex-wrap: wrap;
            }

            .section-title::before,
            .section-title::after {
                width: 24px;
            }

            .page-hero h1 {
                font-size: 30px;
            }

            .faq-question {
                font-size: 15px;
                padding: 18px 16px;
            }

            .faq-answer p {
                padding: 14px 16px 18px;
            }

            .service-card-body {
                padding: 22px 18px 20px;
            }

            .process-step {
                padding: 26px 20px;
            }

            .cta-inner h2 {
                font-size: 24px;
            }
        }

/* roulang page: article */
:root {
            --color-primary: #0E3B2E;
            --color-primary-light: #1C5C47;
            --color-primary-dark: #08241C;
            --color-accent: #C6A15B;
            --color-accent-light: #E0C48C;
            --color-bg: #F8F4EC;
            --color-surface: #FFFFFF;
            --color-text: #1F2A24;
            --color-text-secondary: #5A6B62;
            --color-border: #E7DFCE;
            --color-danger: #6E2B2F;
            --shadow-card: 0 4px 16px rgba(14,59,46,0.08);
            --shadow-card-hover: 0 8px 24px rgba(14,59,46,0.12);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "Noto Sans SC", "Source Han Sans SC", "Microsoft YaHei", sans-serif;
            background: var(--color-bg);
            color: var(--color-text);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }

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

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

        button {
            cursor: pointer;
            font-family: inherit;
        }

        .container-custom {
            max-width: 1280px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1rem;
            padding-right: 1rem;
        }

        @media (min-width: 768px) {
            .container-custom {
                padding-left: 1.5rem;
                padding-right: 1.5rem;
            }
        }

        @media (min-width: 1024px) {
            .container-custom {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }

        /* ========== 导航 ========== */
        .site-header {
            background: var(--color-bg);
            border-bottom: 1px solid var(--color-border);
            padding: 0.85rem 0;
            position: relative;
            z-index: 50;
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            flex-wrap: wrap;
            position: relative;
        }

        .nav-group {
            display: flex;
            align-items: center;
            gap: 1.75rem;
            flex: 1;
            min-width: 0;
        }

        .nav-group:last-of-type {
            justify-content: flex-end;
        }

        .nav-link {
            font-size: 0.875rem;
            font-weight: 500;
            color: var(--color-text);
            letter-spacing: 0.02em;
            padding: 0.4rem 0;
            position: relative;
            white-space: nowrap;
            transition: color 0.3s ease;
        }

        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--color-accent);
            border-radius: 2px;
            transition: width 0.35s ease;
        }

        .nav-link:hover::after,
        .nav-link.active::after {
            width: 100%;
        }

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

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

        .logo-wrap {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-decoration: none;
            line-height: 1.2;
            padding: 0 0.75rem;
            flex-shrink: 0;
        }

        .logo-text {
            font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif;
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.03em;
        }

        .logo-en {
            font-size: 0.6rem;
            letter-spacing: 0.35em;
            color: var(--color-accent);
            font-family: "Noto Serif SC", serif;
            margin-top: 2px;
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            color: var(--color-primary);
            padding: 0.5rem;
            border-radius: 8px;
            transition: background 0.3s ease, color 0.3s ease;
            flex-shrink: 0;
        }

        .mobile-toggle:hover {
            background: rgba(14, 59, 46, 0.08);
        }

        .mobile-toggle:focus {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

        @media (max-width: 768px) {
            .nav-inner {
                flex-wrap: wrap;
                gap: 0.5rem;
            }

            .nav-group {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: center;
                gap: 1rem;
                padding: 1rem 0;
                order: 5;
                flex: 0 0 100%;
            }

            .nav-group.open {
                display: flex;
            }

            .nav-group:first-of-type {
                border-top: 1px solid rgba(255, 255, 255, 0.08);
            }

            .nav-link {
                color: var(--color-primary);
                font-size: 0.95rem;
                padding: 0.5rem 0;
            }

            .nav-link::after {
                background: var(--color-accent);
            }

            .logo-wrap {
                order: 1;
                padding: 0;
            }

            .mobile-toggle {
                order: 2;
                display: block;
            }
        }

        /* ========== 面包屑 ========== */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.8rem;
            color: var(--color-text-secondary);
            padding: 1.25rem 0;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--color-text-secondary);
            transition: color 0.3s ease;
        }

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

        .breadcrumb .sep {
            color: var(--color-border);
            font-size: 1rem;
        }

        .breadcrumb .current {
            color: var(--color-text);
            font-weight: 500;
            max-width: 260px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        /* ========== 文章标题区 ========== */
        .article-header {
            text-align: center;
            padding: 1.5rem 0 2.5rem;
            max-width: 900px;
            margin: 0 auto;
        }

        .article-header h1 {
            font-family: "Noto Serif SC", "Source Han Serif SC", serif;
            font-size: clamp(1.75rem, 4vw, 2.6rem);
            font-weight: 700;
            line-height: 1.3;
            color: var(--color-primary);
            margin-bottom: 1.5rem;
            letter-spacing: 0.02em;
        }

        .article-meta {
            display: flex;
            align-items: center;
            justify-content: center;
            flex-wrap: wrap;
            gap: 0.75rem 1.5rem;
            color: var(--color-text-secondary);
            font-size: 0.85rem;
        }

        .meta-item {
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }

        .meta-item svg {
            width: 16px;
            height: 16px;
            color: var(--color-accent);
            stroke-width: 2;
        }

        .meta-divider {
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background: var(--color-accent);
            display: inline-block;
        }

        /* ========== 正文区 ========== */
        .article-layout {
            max-width: 860px;
            margin: 0 auto;
            padding: 0 1rem;
        }

        .article-content {
            font-size: 1rem;
            line-height: 1.8;
            color: var(--color-text);
            background: var(--color-surface);
            padding: 2.5rem 2rem;
            border-radius: 16px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border);
        }

        .article-content p {
            margin-bottom: 1.5rem;
        }

        .article-content h2 {
            font-family: "Noto Serif SC", serif;
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-primary);
            margin: 2.5rem 0 1rem;
            padding-left: 0.85rem;
            border-left: 3px solid var(--color-accent);
            line-height: 1.4;
        }

        .article-content h3 {
            font-family: "Noto Serif SC", serif;
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--color-primary);
            margin: 2rem 0 0.75rem;
            line-height: 1.4;
        }

        .article-content ul {
            list-style: disc;
            padding-left: 1.5rem;
            margin-bottom: 1.5rem;
            color: var(--color-text-secondary);
        }

        .article-content ol {
            list-style: decimal;
            padding-left: 1.5rem;
            margin-bottom: 1.5rem;
            color: var(--color-text-secondary);
        }

        .article-content li {
            margin-bottom: 0.4rem;
        }

        .article-content blockquote {
            border-left: 4px solid var(--color-accent);
            background: rgba(14, 59, 46, 0.05);
            padding: 1.25rem 1.5rem;
            margin: 2rem 0;
            border-radius: 0 12px 12px 0;
            color: var(--color-text-secondary);
            font-style: italic;
        }

        .article-content img {
            border-radius: 12px;
            box-shadow: var(--shadow-card);
            margin: 1.5rem auto;
            display: block;
        }

        .article-content figcaption {
            font-size: 0.8rem;
            text-align: center;
            color: var(--color-text-secondary);
            margin-top: -1rem;
            margin-bottom: 1.5rem;
        }

        .article-content a {
            color: var(--color-primary-light);
            text-decoration: underline;
            text-underline-offset: 3px;
            transition: color 0.3s ease;
        }

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

        .article-content hr {
            border: none;
            border-top: 1px solid var(--color-border);
            margin: 2.5rem 0;
        }

        @media (max-width: 768px) {
            .article-content {
                padding: 1.75rem 1.25rem;
                border-radius: 12px;
            }
        }

        /* ========== 标签与分享 ========== */
        .article-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 1.25rem;
            padding: 1.75rem 0 0;
        }

        .article-tags {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            flex-wrap: wrap;
        }

        .tag {
            display: inline-block;
            font-size: 0.75rem;
            color: var(--color-primary);
            background: rgba(198, 161, 91, 0.15);
            border: 1px solid rgba(198, 161, 91, 0.3);
            border-radius: 999px;
            padding: 0.3rem 0.9rem;
            font-weight: 500;
            letter-spacing: 0.02em;
            transition: background 0.3s ease, color 0.3s ease;
        }

        .tag:hover {
            background: var(--color-accent);
            color: #fff;
        }

        .article-share {
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }

        .share-label {
            font-size: 0.8rem;
            color: var(--color-text-secondary);
            margin-right: 0.25rem;
        }

        .share-btn {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            border: 1px solid var(--color-border);
            background: var(--color-bg);
            color: var(--color-text-secondary);
            transition: all 0.3s ease;
        }

        .share-btn:hover {
            background: var(--color-primary);
            color: var(--color-accent-light);
            border-color: var(--color-primary);
            transform: translateY(-2px);
            box-shadow: var(--shadow-card);
        }

        .share-btn:focus {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

        .share-btn svg {
            width: 16px;
            height: 16px;
        }

        @media (max-width: 576px) {
            .article-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        /* ========== 相关推荐 ========== */
        .related-section {
            padding: 3rem 0 1.5rem;
        }

        .related-header {
            display: flex;
            align-items: center;
            gap: 1rem;
            margin-bottom: 2rem;
        }

        .related-header h2 {
            font-family: "Noto Serif SC", serif;
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--color-primary);
            position: relative;
            padding-left: 1rem;
        }

        .related-header h2::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 3px;
            height: 22px;
            background: var(--color-accent);
            border-radius: 3px;
        }

        .related-header h2::after {
            content: '';
            flex: 0 0 60px;
            height: 1px;
            background: var(--color-accent);
            margin-left: 0;
        }

        .related-header:after {
            content: '';
            flex: 1;
            height: 1px;
            background: var(--color-border);
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }

        .related-card {
            display: block;
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: 14px;
            padding: 1.75rem 1.5rem;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .related-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 3px;
            height: 0;
            background: var(--color-accent);
            transition: height 0.4s ease;
        }

        .related-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: rgba(198, 161, 91, 0.4);
        }

        .related-card:hover::before {
            height: 100%;
        }

        .related-card:focus {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

        .related-title {
            display: block;
            font-family: "Noto Serif SC", serif;
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--color-primary);
            line-height: 1.5;
            margin-bottom: 0.75rem;
        }

        .related-card:hover .related-title {
            color: var(--color-accent);
        }

        .related-date {
            display: block;
            font-size: 0.8rem;
            color: var(--color-text-secondary);
        }

        @media (max-width: 768px) {
            .related-grid {
                grid-template-columns: 1fr;
                gap: 1rem;
            }
        }

        /* ========== 返回入口 ========== */
        .back-entry {
            text-align: center;
            padding: 2rem 0 3rem;
        }

        .back-btn {
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-primary);
            background: transparent;
            border: 1px solid var(--color-border);
            border-radius: 999px;
            padding: 0.7rem 1.8rem;
            transition: all 0.3s ease;
        }

        .back-btn:hover {
            background: var(--color-primary);
            color: #fff;
            border-color: var(--color-primary);
            transform: translateY(-2px);
            box-shadow: var(--shadow-card);
        }

        .back-btn:focus {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

        .back-btn svg {
            width: 16px;
            height: 16px;
            transition: transform 0.3s ease;
        }

        .back-btn:hover svg {
            transform: translateX(-4px);
        }

        /* ========== 无文章状态 ========== */
        .not-found {
            text-align: center;
            padding: 5rem 2rem;
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: 16px;
            max-width: 600px;
            margin: 0 auto;
        }

        .not-found-icon {
            width: 72px;
            height: 72px;
            margin: 0 auto 1.5rem;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: rgba(14, 59, 46, 0.06);
            color: var(--color-accent);
        }

        .not-found-icon svg {
            width: 36px;
            height: 36px;
        }

        .not-found p {
            font-family: "Noto Serif SC", serif;
            font-size: 1.3rem;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 1.5rem;
        }

        .not-found a {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: var(--color-primary);
            color: #fff;
            border-radius: 999px;
            padding: 0.8rem 2rem;
            font-size: 0.95rem;
            font-weight: 500;
            transition: all 0.3s ease;
        }

        .not-found a:hover {
            background: var(--color-accent);
            color: var(--color-primary);
            transform: translateY(-2px);
            box-shadow: var(--shadow-card-hover);
        }

        .not-found a:focus {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--color-primary-dark);
            color: rgba(248, 244, 236, 0.7);
            padding: 3.5rem 0 2rem;
            margin-top: 4rem;
        }

        .footer-top-line {
            width: 100%;
            height: 2px;
            background: linear-gradient(90deg, var(--color-accent), rgba(198, 161, 91, 0.2));
            margin-bottom: 3rem;
            border-radius: 2px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.3fr 0.9fr 1fr;
            gap: 3rem;
            margin-bottom: 3rem;
        }

        .footer-logo {
            display: block;
            font-family: "Noto Serif SC", serif;
            font-size: 1.4rem;
            font-weight: 700;
            color: #ffffff;
            letter-spacing: 0.03em;
        }

        .footer-logo-en {
            display: block;
            font-size: 0.65rem;
            letter-spacing: 0.3em;
            color: var(--color-accent);
            margin-top: 0.25rem;
            font-family: "Noto Serif SC", serif;
        }

        .footer-desc {
            font-size: 0.85rem;
            line-height: 1.8;
            margin-top: 1rem;
            color: rgba(248, 244, 236, 0.55);
            max-width: 30rem;
        }

        .footer-title {
            font-family: "Noto Serif SC", serif;
            font-size: 1rem;
            font-weight: 600;
            color: #ffffff;
            margin-bottom: 1.25rem;
            position: relative;
            padding-bottom: 0.5rem;
        }

        .footer-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 28px;
            height: 2px;
            background: var(--color-accent);
            border-radius: 2px;
        }

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

        .footer-links li {
            margin-bottom: 0.55rem;
        }

        .footer-links a {
            color: rgba(248, 244, 236, 0.65);
            font-size: 0.85rem;
            transition: color 0.3s ease, padding-left 0.3s ease;
            display: inline-block;
        }

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

        .footer-contact p {
            font-size: 0.85rem;
            margin-bottom: 0.6rem;
            color: rgba(248, 244, 236, 0.65);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .footer-contact svg {
            width: 14px;
            height: 14px;
            color: var(--color-accent);
            flex-shrink: 0;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 1.5rem;
            text-align: center;
        }

        .footer-bottom p {
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.35);
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 2rem;
            }

            .site-footer {
                padding: 2.5rem 0 1.5rem;
            }
        }

        /* ========== 断点细化 ========== */
        @media (max-width: 480px) {
            .breadcrumb {
                font-size: 0.75rem;
                gap: 0.4rem;
            }

            .article-header h1 {
                font-size: 1.5rem;
            }

            .article-meta {
                font-size: 0.78rem;
                gap: 0.5rem 1rem;
            }

            .related-header h2 {
                font-size: 1.3rem;
            }
        }