/* roulang page: index */
:root {
            --color-primary: #0E3B2E;
            --color-primary-dark: #092A20;
            --color-gold: #C9A96A;
            --color-gold-dark: #A17C4A;
            --color-bg: #F8F7F4;
            --color-bg-alt: #EFEDE8;
            --color-text: #1E1E1E;
            --color-text-sub: #5C5C5C;
            --color-border: #E2DFD8;
            --color-white: #FFFFFF;
            --color-cream: #D8D2C5;
            --radius-card: 16px;
            --radius-btn: 10px;
            --radius-input: 8px;
            --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-card-hover: 0 8px 24px rgba(0, 0, 0, 0.08);
            --shadow-gold: 0 0 20px rgba(201, 169, 106, 0.3);
            --transition: all 0.2s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            font-size: 16px;
            line-height: 1.8;
            color: var(--color-text);
            background-color: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

        a:hover {
            color: var(--color-gold-dark);
        }

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

        ul,
        ol {
            list-style: none;
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            font-size: 16px;
            font-weight: 600;
            line-height: 1.5;
            transition: var(--transition);
            text-align: center;
            white-space: nowrap;
        }

        .btn-gold {
            background-color: var(--color-gold);
            color: #1E1E1E;
            box-shadow: 0 2px 8px rgba(201, 169, 106, 0.3);
        }

        .btn-gold:hover {
            background-color: var(--color-gold-dark);
            color: #FFFFFF;
            box-shadow: var(--shadow-gold);
            transform: scale(1.02);
        }

        .btn-gold:active {
            background-color: #8C6840;
            transform: scale(0.98);
        }

        .btn-primary {
            background-color: var(--color-primary);
            color: var(--color-white);
        }

        .btn-primary:hover {
            background-color: var(--color-primary-dark);
            color: var(--color-white);
            transform: scale(1.02);
        }

        .btn-primary:active {
            background-color: #061F18;
            transform: scale(0.98);
        }

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

        .btn-outline:hover {
            background-color: #F5EFE3;
            border-color: var(--color-gold);
            color: var(--color-primary);
        }

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

        .btn-white-outline:hover {
            background-color: rgba(255, 255, 255, 0.1);
            border-color: var(--color-gold);
            color: var(--color-gold);
        }

        /* Header */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background-color: rgba(14, 59, 46, 0.85);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            transition: var(--transition);
        }

        .site-header.scrolled {
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(12px);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
            border-bottom-color: var(--color-border);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 76px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .logo-mark {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--color-gold), #E8D5A8);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 18px;
            color: var(--color-primary);
        }

        .logo-text {
            font-size: 20px;
            font-weight: 700;
            color: var(--color-white);
            letter-spacing: -0.01em;
            transition: var(--transition);
        }

        .site-header.scrolled .logo-text {
            color: var(--color-primary);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 36px;
        }

        .main-nav a {
            font-size: 15px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.85);
            position: relative;
            padding: 4px 2px;
        }

        .site-header.scrolled .main-nav a {
            color: var(--color-text);
        }

        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--color-gold);
            transition: var(--transition);
        }

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

        .main-nav a:hover,
        .main-nav a.active {
            color: var(--color-gold);
        }

        .site-header.scrolled .main-nav a:hover,
        .site-header.scrolled .main-nav a.active {
            color: var(--color-gold-dark);
        }

        .header-cta .btn {
            padding: 10px 24px;
            font-size: 14px;
        }

        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 6px;
            width: 44px;
            height: 44px;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
            transition: var(--transition);
            z-index: 1002;
        }

        .menu-toggle span {
            width: 24px;
            height: 2px;
            background-color: var(--color-white);
            transition: var(--transition);
        }

        .site-header.scrolled .menu-toggle span {
            background-color: var(--color-primary);
        }

        .menu-toggle.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

        .menu-toggle.active span:nth-child(2) {
            opacity: 0;
        }

        .menu-toggle.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        .mobile-menu {
            position: fixed;
            top: 0;
            right: -100%;
            width: 82%;
            max-width: 380px;
            height: 100vh;
            background-color: var(--color-primary);
            z-index: 1001;
            padding: 100px 36px 40px;
            display: flex;
            flex-direction: column;
            gap: 20px;
            transition: right 0.3s ease;
            box-shadow: -4px 0 30px rgba(0, 0, 0, 0.2);
        }

        .mobile-menu.open {
            right: 0;
        }

        .mobile-menu a {
            color: rgba(255, 255, 255, 0.9);
            font-size: 20px;
            font-weight: 500;
            padding: 10px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: var(--color-gold);
        }

        .mobile-menu .btn {
            margin-top: auto;
        }

        /* Hero */
        .hero {
            position: relative;
            min-height: 88vh;
            display: flex;
            align-items: center;
            background: linear-gradient(180deg, rgba(14, 59, 46, 0.6), rgba(14, 59, 46, 0.88)),
                url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            padding-top: 140px;
            padding-bottom: 80px;
            overflow: hidden;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 720px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background-color: rgba(255, 255, 255, 0.15);
            border: 1px solid rgba(255, 255, 255, 0.25);
            backdrop-filter: blur(8px);
            border-radius: 999px;
            padding: 8px 20px;
            font-size: 13px;
            font-weight: 500;
            color: #E8D5A8;
            margin-bottom: 28px;
            letter-spacing: 0.02em;
        }

        .hero-badge i {
            color: var(--color-gold);
        }

        .hero h1 {
            font-size: 48px;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -0.01em;
            color: #FFFFFF;
            margin-bottom: 22px;
        }

        .hero h1 .highlight {
            color: var(--color-gold);
            position: relative;
        }

        .hero-subtitle {
            font-size: 18px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 38px;
            max-width: 600px;
        }

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

        /* Data bar */
        .data-bar {
            background-color: var(--color-white);
            border-bottom: 1px solid var(--color-border);
            padding: 36px 0;
            position: relative;
            z-index: 3;
        }

        .data-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
        }

        .data-item {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .data-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background-color: #F5EFE3;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-gold-dark);
            font-size: 20px;
            flex-shrink: 0;
        }

        .data-info .data-label {
            font-size: 13px;
            color: var(--color-text-sub);
            display: block;
            line-height: 1.4;
        }

        .data-info .data-value {
            font-size: 17px;
            font-weight: 600;
            color: var(--color-text);
            line-height: 1.4;
        }

        /* Section */
        .section {
            padding: 88px 0;
        }

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

        .section-head {
            display: flex;
            justify-content: space-between;
            align-items: flex-end;
            margin-bottom: 48px;
            gap: 32px;
            flex-wrap: wrap;
        }

        .section-head .section-title-wrap {
            max-width: 560px;
        }

        .section-kicker {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-gold-dark);
            text-transform: uppercase;
            letter-spacing: 0.08em;
            margin-bottom: 12px;
            display: inline-block;
        }

        .section-title {
            font-size: 34px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--color-text);
            letter-spacing: -0.01em;
            margin-bottom: 14px;
        }

        .section-desc {
            font-size: 16px;
            color: var(--color-text-sub);
            line-height: 1.8;
        }

        .section-link {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding-bottom: 4px;
            border-bottom: 2px solid var(--color-gold);
        }

        .section-link:hover {
            color: var(--color-gold-dark);
        }

        /* Timeline */
        .timeline-layout {
            display: grid;
            grid-template-columns: 320px 1fr;
            gap: 60px;
        }

        .timeline-sticky {
            position: sticky;
            top: 120px;
            align-self: start;
        }

        .timeline-list {
            position: relative;
            padding-left: 36px;
        }

        .timeline-list::before {
            content: '';
            position: absolute;
            left: 12px;
            top: 8px;
            bottom: 8px;
            width: 2px;
            background: linear-gradient(to bottom, var(--color-gold), var(--color-border));
            border-radius: 2px;
        }

        .timeline-item {
            position: relative;
            padding-bottom: 36px;
        }

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

        .timeline-dot {
            position: absolute;
            left: -36px;
            top: 8px;
            width: 26px;
            height: 26px;
            border-radius: 50%;
            background-color: var(--color-white);
            border: 3px solid var(--color-primary);
            z-index: 1;
            transition: var(--transition);
        }

        .timeline-item:hover .timeline-dot {
            border-color: var(--color-gold);
            transform: scale(1.15);
            box-shadow: 0 0 0 4px rgba(201, 169, 106, 0.2);
        }

        .timeline-time {
            font-size: 24px;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.2;
            display: block;
            margin-bottom: 4px;
        }

        .timeline-date {
            font-size: 13px;
            color: var(--color-text-sub);
        }

        .timeline-card {
            background-color: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 24px 28px;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            margin-top: -6px;
        }

        .timeline-card:hover {
            border-color: var(--color-gold);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }

        .timeline-card h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--color-text);
        }

        .timeline-card p {
            font-size: 15px;
            color: var(--color-text-sub);
            margin-bottom: 12px;
        }

        .timeline-tags {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }

        .tag {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 500;
            background-color: #F5EFE3;
            color: var(--color-gold-dark);
            border: 1px solid rgba(201, 169, 106, 0.3);
        }

        .tag-primary {
            background-color: rgba(14, 59, 46, 0.06);
            color: var(--color-primary);
            border-color: rgba(14, 59, 46, 0.15);
        }

        /* Speaker cards */
        .speaker-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
        }

        .speaker-card {
            background-color: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
        }

        .speaker-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: var(--color-gold);
        }

        .speaker-image {
            height: 240px;
            overflow: hidden;
            position: relative;
        }

        .speaker-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .speaker-card:hover .speaker-image img {
            transform: scale(1.03);
        }

        .speaker-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 65%, rgba(0, 0, 0, 0.4));
            opacity: 0;
            transition: var(--transition);
        }

        .speaker-card:hover .speaker-image::after {
            opacity: 1;
        }

        .speaker-info {
            padding: 24px 24px 28px;
        }

        .speaker-info h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 2px;
        }

        .speaker-role {
            font-size: 14px;
            color: var(--color-gold-dark);
            font-weight: 500;
            margin-bottom: 12px;
            display: block;
        }

        .speaker-bio {
            font-size: 14px;
            color: var(--color-text-sub);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        /* Pricing */
        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
            align-items: stretch;
        }

        .pricing-card {
            background-color: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 36px 32px;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            position: relative;
        }

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

        .pricing-card.featured {
            border: 2px solid var(--color-gold);
            box-shadow: 0 4px 30px rgba(201, 169, 106, 0.15);
            background: linear-gradient(180deg, #FFFFFF, #FDFBF7);
        }

        .pricing-badge {
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            background: linear-gradient(135deg, var(--color-gold), #E8D5A8);
            color: var(--color-primary);
            font-size: 13px;
            font-weight: 700;
            padding: 6px 22px;
            border-radius: 999px;
            white-space: nowrap;
            letter-spacing: 0.02em;
        }

        .pricing-name {
            font-size: 18px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 16px;
        }

        .pricing-price {
            font-size: 42px;
            font-weight: 800;
            color: var(--color-primary);
            line-height: 1.2;
            margin-bottom: 4px;
            letter-spacing: -0.02em;
        }

        .pricing-price .unit {
            font-size: 16px;
            font-weight: 500;
            color: var(--color-text-sub);
        }

        .pricing-note {
            font-size: 14px;
            color: var(--color-text-sub);
            margin-bottom: 28px;
        }

        .pricing-features {
            flex: 1;
            margin-bottom: 32px;
        }

        .pricing-features li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 8px 0;
            font-size: 15px;
            color: var(--color-text);
        }

        .pricing-features li i {
            color: #2F7D5C;
            margin-top: 4px;
            font-size: 14px;
            flex-shrink: 0;
        }

        /* News list */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .news-card {
            display: flex;
            background-color: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
        }

        .news-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--color-gold);
            transform: translateY(-2px);
        }

        .news-thumb {
            width: 240px;
            flex-shrink: 0;
            overflow: hidden;
            position: relative;
        }

        .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .news-card:hover .news-thumb img {
            transform: scale(1.05);
        }

        .news-content {
            padding: 24px 28px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .news-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 10px;
            flex-wrap: wrap;
        }

        .news-cat {
            display: inline-block;
            padding: 3px 14px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 500;
            background-color: rgba(14, 59, 46, 0.06);
            color: var(--color-primary);
            border: 1px solid rgba(14, 59, 46, 0.15);
        }

        .news-date {
            font-size: 13px;
            color: var(--color-text-sub);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .news-content h3 {
            font-size: 19px;
            font-weight: 600;
            color: var(--color-text);
            line-height: 1.5;
            margin-bottom: 8px;
            transition: var(--transition);
        }

        .news-card:hover .news-content h3 {
            color: var(--color-primary);
        }

        .news-summary {
            font-size: 15px;
            color: var(--color-text-sub);
            line-height: 1.7;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-gold-dark);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-top: auto;
        }

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

        .news-empty {
            border: 2px dashed var(--color-border);
            border-radius: var(--radius-card);
            padding: 60px 30px;
            text-align: center;
            color: var(--color-text-sub);
            font-size: 16px;
            background-color: var(--color-white);
        }

        .news-empty i {
            font-size: 32px;
            color: var(--color-gold);
            display: block;
            margin-bottom: 12px;
        }

        /* FAQ */
        .faq-layout {
            display: grid;
            grid-template-columns: 360px 1fr;
            gap: 60px;
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

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

        .faq-item.active {
            border-color: var(--color-gold);
            box-shadow: var(--shadow-card-hover);
        }

        .faq-question {
            width: 100%;
            min-height: 64px;
            padding: 18px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            font-size: 16px;
            font-weight: 500;
            color: var(--color-text);
            text-align: left;
            transition: var(--transition);
        }

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

        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 8px;
            background-color: #F5EFE3;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-gold-dark);
            font-size: 14px;
            flex-shrink: 0;
            transition: var(--transition);
        }

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

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

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

        .faq-answer-inner {
            padding: 0 24px 22px;
            font-size: 15px;
            color: var(--color-text-sub);
            line-height: 1.8;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
            padding: 96px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -100px;
            right: -100px;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            border: 2px solid rgba(201, 169, 106, 0.15);
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: 10%;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            border: 2px solid rgba(201, 169, 106, 0.1);
        }

        .cta-inner {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 680px;
            margin: 0 auto;
        }

        .cta-inner h2 {
            font-size: 38px;
            font-weight: 800;
            color: #FFFFFF;
            margin-bottom: 16px;
            letter-spacing: -0.01em;
        }

        .cta-inner p {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 36px;
        }

        /* Footer */
        .site-footer {
            background-color: #08251D;
            color: rgba(255, 255, 255, 0.7);
            padding-top: 72px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 48px;
        }

        .footer-brand .logo-text {
            color: #FFFFFF;
            display: block;
            margin-bottom: 16px;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
        }

        .footer-title {
            font-size: 16px;
            font-weight: 600;
            color: #FFFFFF;
            margin-bottom: 20px;
        }

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

        .footer-links a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

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

        .footer-contact li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 14px;
            margin-bottom: 12px;
            color: rgba(255, 255, 255, 0.6);
        }

        .footer-contact i {
            color: var(--color-gold);
            margin-top: 4px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 24px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }

        .footer-bottom p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .data-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }

            .timeline-layout {
                grid-template-columns: 1fr;
                gap: 40px;
            }

            .timeline-sticky {
                position: static;
            }

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

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

            .pricing-card.featured {
                order: -1;
            }

            .faq-layout {
                grid-template-columns: 1fr;
                gap: 40px;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 36px;
            }

            .main-nav {
                gap: 24px;
            }

            .news-card {
                flex-direction: column;
            }

            .news-thumb {
                width: 100%;
                height: 200px;
            }
        }

        @media (max-width: 768px) {
            .main-nav {
                display: none;
            }

            .header-cta .btn {
                display: none;
            }

            .menu-toggle {
                display: flex;
            }

            .section {
                padding: 64px 0;
            }

            .hero {
                min-height: 72vh;
                padding-top: 110px;
            }

            .hero h1 {
                font-size: 34px;
            }

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

            .section-title {
                font-size: 26px;
            }

            .cta-inner h2 {
                font-size: 28px;
            }

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

            .pricing-card.featured {
                order: 0;
            }

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

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

            .data-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }

            .data-item {
                flex-direction: column;
                text-align: center;
                padding: 16px;
                background-color: var(--color-bg);
                border-radius: var(--radius-card);
            }

            .data-icon {
                margin-bottom: 8px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 18px;
                padding-right: 18px;
            }

            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }

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

            .timeline-list {
                padding-left: 30px;
            }

            .timeline-item::before {
                left: 8px;
            }

            .timeline-dot {
                left: -33px;
                width: 22px;
                height: 22px;
            }

            .timeline-card {
                padding: 18px 20px;
            }

            .news-content {
                padding: 20px;
            }

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

            .data-item {
                flex-direction: row;
                text-align: left;
            }

            .data-icon {
                margin-bottom: 0;
            }

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

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

/* roulang page: category1 */
:root {
            --color-primary: #0E3B2E;
            --color-primary-dark: #092A20;
            --color-gold: #C9A96A;
            --color-gold-dark: #A17C4A;
            --color-bg: #F8F7F4;
            --color-surface: #EFEDE8;
            --color-text: #1E1E1E;
            --color-muted: #5C5C5C;
            --color-border: #E2DFD8;
            --color-success: #2F7D5C;
            --radius-card: 14px;
            --radius-btn: 10px;
            --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.08);
            --font-body: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
            --font-en: "Inter", "Helvetica Neue", Arial, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-body);
            background: var(--color-bg);
            color: var(--color-text);
            line-height: 1.8;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }

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

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

        ul,
        ol {
            list-style: none;
        }

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

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

        /* ===== Header / Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--color-border);
            transition: box-shadow 0.3s ease;
        }

        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 24px;
        }

        .logo-text {
            font-size: 22px;
            font-weight: 800;
            letter-spacing: -0.01em;
            color: var(--color-primary);
            white-space: nowrap;
        }

        .logo-text:hover {
            color: var(--color-gold-dark);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 32px;
        }

        .main-nav a {
            font-size: 15px;
            font-weight: 500;
            color: #333;
            padding: 8px 2px;
            position: relative;
            white-space: nowrap;
        }

        .main-nav a::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 0;
            height: 2px;
            background: var(--color-primary);
            transition: width 0.25s ease;
        }

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

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

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

        .btn-nav-cta {
            background: var(--color-gold);
            color: var(--color-primary-dark);
            font-weight: 700;
            font-size: 15px;
            padding: 10px 24px;
            border-radius: var(--radius-btn);
            border: 1px solid transparent;
            transition: all 0.2s ease;
            white-space: nowrap;
        }

        .btn-nav-cta:hover {
            background: var(--color-gold-dark);
            color: #fff;
            transform: scale(1.02);
            box-shadow: 0 0 20px rgba(201, 169, 106, 0.3);
        }

        .btn-nav-cta:active {
            transform: scale(0.98);
            background: #8a693b;
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
        }

        .nav-toggle span {
            width: 24px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
            transition: all 0.3s ease;
        }

        .nav-toggle.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .nav-toggle.open span:nth-child(2) {
            opacity: 0;
        }

        .nav-toggle.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* ===== Hero / Banner ===== */
        .page-banner {
            position: relative;
            background: linear-gradient(180deg, rgba(14, 59, 46, 0.65), rgba(14, 59, 46, 0.88)), url("/assets/images/backpic/back-1.png") center/cover no-repeat;
            padding: 100px 0;
            color: #fff;
        }

        .banner-breadcrumb {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: rgba(255, 255, 255, 0.14);
            border: 1px solid rgba(255, 255, 255, 0.2);
            backdrop-filter: blur(6px);
            padding: 6px 16px;
            border-radius: 100px;
            font-size: 13px;
            margin-bottom: 24px;
            color: rgba(255, 255, 255, 0.9);
        }

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

        .banner-breadcrumb .sep {
            opacity: 0.6;
        }

        .page-banner h1 {
            font-size: 48px;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -0.01em;
            margin-bottom: 18px;
            max-width: 780px;
        }

        .page-banner h1 .gold {
            color: var(--color-gold);
        }

        .banner-sub {
            font-size: 17px;
            line-height: 1.8;
            max-width: 640px;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 32px;
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-weight: 600;
            font-size: 15px;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            transition: all 0.2s ease;
            border: 1px solid transparent;
        }

        .btn-gold {
            background: var(--color-gold);
            color: var(--color-primary-dark);
            font-weight: 700;
        }

        .btn-gold:hover {
            background: var(--color-gold-dark);
            color: #fff;
            box-shadow: 0 0 20px rgba(201, 169, 106, 0.3);
            transform: scale(1.02);
        }

        .btn-outline-light {
            border-color: rgba(255, 255, 255, 0.6);
            color: #fff;
            background: transparent;
        }

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

        /* ===== Section general ===== */
        .section {
            padding: 88px 0;
        }

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

        .section-head {
            max-width: 720px;
            margin-bottom: 48px;
        }

        .section-head.center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }

        .eyebrow {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--color-gold-dark);
            background: rgba(201, 169, 106, 0.12);
            padding: 4px 14px;
            border-radius: 100px;
            margin-bottom: 14px;
        }

        .section-head h2 {
            font-size: 34px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--color-primary);
        }

        .section-head p {
            color: var(--color-muted);
            margin-top: 12px;
            font-size: 16px;
        }

        /* ===== Split feature ===== */
        .split-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 64px;
            align-items: center;
        }

        .split-media {
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }

        .split-media img {
            width: 100%;
            height: 380px;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .split-media:hover img {
            transform: scale(1.03);
        }

        .split-content h3 {
            font-size: 24px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 16px;
            line-height: 1.35;
        }

        .split-content p {
            color: #444;
            margin-bottom: 16px;
        }

        .check-list li {
            display: flex;
            gap: 10px;
            align-items: flex-start;
            margin-bottom: 12px;
            color: #333;
            font-size: 15px;
        }

        .check-list li i {
            color: var(--color-success);
            margin-top: 6px;
            font-size: 13px;
        }

        /* ===== Feature cards ===== */
        .grid-cards {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .feature-card {
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 32px 26px;
            box-shadow: var(--shadow-card);
            transition: all 0.25s ease;
        }

        .feature-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: var(--color-gold);
        }

        .feature-icon {
            width: 52px;
            height: 52px;
            border-radius: 12px;
            background: rgba(14, 59, 46, 0.08);
            color: var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 18px;
        }

        .feature-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 10px;
        }

        .feature-card p {
            font-size: 14px;
            color: var(--color-muted);
            line-height: 1.7;
        }

        /* ===== Stats band ===== */
        .stats-band {
            background: var(--color-primary);
            color: #fff;
            padding: 64px 0;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            text-align: center;
        }

        .stat-num {
            font-family: var(--font-en);
            font-size: 46px;
            font-weight: 800;
            color: var(--color-gold);
            line-height: 1.2;
        }

        .stat-label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.75);
            margin-top: 6px;
            letter-spacing: 0.02em;
        }

        /* ===== Page cards ===== */
        .grid-page-cards {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .page-card {
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all 0.25s ease;
            display: flex;
            flex-direction: column;
        }

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

        .page-card-img {
            height: 190px;
            overflow: hidden;
        }

        .page-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

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

        .page-card-body {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .page-card-body h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 8px;
            transition: color 0.2s;
        }

        .page-card:hover .page-card-body h3 {
            color: var(--color-gold-dark);
        }

        .page-card-body p {
            font-size: 14px;
            color: var(--color-muted);
            flex: 1;
        }

        .page-card-link {
            margin-top: 16px;
            font-size: 14px;
            font-weight: 600;
            color: var(--color-primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .page-card-link i {
            font-size: 12px;
            transition: transform 0.2s;
        }

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

        /* ===== FAQ ===== */
        .faq-wrap {
            max-width: 860px;
            margin: 0 auto;
        }

        .faq-item {
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            margin-bottom: 14px;
            overflow: hidden;
            transition: border-color 0.2s;
        }

        .faq-item.open {
            border-color: var(--color-gold);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            text-align: left;
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--color-primary);
            gap: 16px;
            min-height: 56px;
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 26px;
            height: 26px;
            border-radius: 50%;
            border: 1px solid var(--color-border);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            color: var(--color-gold-dark);
            transition: all 0.3s ease;
        }

        .faq-item.open .faq-icon {
            transform: rotate(135deg);
            background: var(--color-gold);
            color: #fff;
            border-color: var(--color-gold);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 24px;
            color: var(--color-muted);
            font-size: 15px;
            line-height: 1.8;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 24px 22px;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
            color: #fff;
            text-align: center;
            padding: 88px 24px;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: "";
            position: absolute;
            width: 420px;
            height: 420px;
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 50%;
            top: -140px;
            right: -80px;
        }

        .cta-section::after {
            content: "";
            position: absolute;
            width: 260px;
            height: 260px;
            border: 1px solid rgba(255, 255, 255, 0.05);
            border-radius: 50%;
            bottom: -60px;
            left: 60px;
        }

        .cta-section h2 {
            font-size: 36px;
            font-weight: 700;
            margin-bottom: 14px;
            position: relative;
        }

        .cta-section p {
            color: rgba(255, 255, 255, 0.78);
            max-width: 520px;
            margin: 0 auto 32px;
            position: relative;
        }

        .cta-section .btn-wrap {
            position: relative;
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--color-primary-dark);
            color: rgba(255, 255, 255, 0.8);
            padding: 64px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
            gap: 48px;
            padding-bottom: 48px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-brand .logo-text {
            color: #fff;
            font-size: 20px;
            display: block;
            margin-bottom: 16px;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
        }

        .footer-title {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 18px;
        }

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

        .footer-links a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            transition: color 0.2s;
        }

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

        .footer-contact li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 14px;
            margin-bottom: 12px;
            color: rgba(255, 255, 255, 0.6);
        }

        .footer-contact li i {
            color: var(--color-gold);
            margin-top: 5px;
            font-size: 13px;
            width: 16px;
            text-align: center;
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 24px 0;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
            flex-wrap: wrap;
            gap: 8px;
        }

        /* ===== Mobile menu ===== */
        .mobile-overlay {
            display: none;
        }

        @media (max-width: 1024px) {
            .grid-cards {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .grid-page-cards {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .main-nav {
                gap: 20px;
            }
        }

        @media (max-width: 768px) {
            .main-nav {
                position: fixed;
                top: 0;
                right: -100%;
                width: 80%;
                max-width: 340px;
                height: 100vh;
                background: #fff;
                flex-direction: column;
                align-items: flex-start;
                justify-content: center;
                padding: 60px 40px;
                gap: 0;
                box-shadow: -10px 0 40px rgba(0, 0, 0, 0.1);
                transition: right 0.35s ease;
                z-index: 99;
            }
            .main-nav.open {
                right: 0;
            }
            .main-nav a {
                font-size: 20px;
                font-weight: 600;
                padding: 16px 0;
                width: 100%;
                border-bottom: 1px solid #f0ede6;
            }
            .main-nav a::after {
                display: none;
            }
            .nav-toggle {
                display: flex;
                position: relative;
                z-index: 101;
            }
            .btn-nav-cta {
                display: none;
            }
            .mobile-overlay {
                display: block;
                position: fixed;
                inset: 0;
                background: rgba(0, 0, 0, 0.4);
                opacity: 0;
                visibility: hidden;
                transition: all 0.3s;
                z-index: 98;
            }
            .mobile-overlay.show {
                opacity: 1;
                visibility: visible;
            }
            .page-banner {
                padding: 72px 0;
            }
            .page-banner h1 {
                font-size: 34px;
            }
            .banner-sub {
                font-size: 15px;
            }
            .section {
                padding: 56px 0;
            }
            .section-head h2 {
                font-size: 26px;
            }
            .split-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .split-media img {
                height: 240px;
            }
            .container {
                padding-left: 20px;
                padding-right: 20px;
            }
        }

        @media (max-width: 520px) {
            .grid-cards,
            .grid-page-cards {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .stat-num {
                font-size: 34px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .cta-section h2 {
                font-size: 28px;
            }
            .banner-actions .btn {
                width: 100%;
            }
        }

/* roulang page: article */
/* ========== 设计变量 ========== */
        :root {
            --color-primary: #0E3B2E;
            --color-primary-dark: #092A20;
            --color-primary-deeper: #08251D;
            --color-gold: #C9A96A;
            --color-gold-dark: #A17C4A;
            --color-gold-soft: #F5EFE3;
            --color-bg: #F8F7F4;
            --color-surface: #FFFFFF;
            --color-section-alt: #EFEDE8;
            --color-text: #1E1E1E;
            --color-text-secondary: #5C5C5C;
            --color-border: #E2DFD8;
            --color-border-light: #E8E4DC;
            --color-muted: #D8D2C5;
            --radius-card: 14px;
            --radius-btn: 10px;
            --radius-img: 12px;
            --radius-badge: 999px;
            --shadow-card: 0 1px 3px rgba(0,0,0,0.06);
            --shadow-card-hover: 0 8px 24px rgba(0,0,0,0.08);
            --shadow-cta: 0 0 20px rgba(201,169,106,0.3);
            --transition-base: all 0.2s ease;
            --font-body: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", sans-serif;
            --container-width: 1200px;
        }

        /* ========== Reset / Base ========== */
        *, *::before, *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.8;
            color: var(--color-text);
            background-color: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            text-rendering: optimizeLegibility;
        }

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

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

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

        input, select, textarea {
            font-family: inherit;
        }

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

        a:focus-visible,
        button:focus-visible {
            outline: 3px solid rgba(201,169,106,0.45);
            outline-offset: 2px;
            border-radius: 4px;
        }

        /* ========== 按钮 ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-weight: 600;
            border-radius: var(--radius-btn);
            padding: 12px 28px;
            font-size: 15px;
            line-height: 1.4;
            transition: var(--transition-base);
            border: 1px solid transparent;
            cursor: pointer;
            white-space: nowrap;
        }

        .btn-gold {
            background: var(--color-gold);
            color: var(--color-primary-deeper);
            font-weight: 700;
        }

        .btn-gold:hover {
            background: var(--color-gold-dark);
            color: #fff;
            transform: scale(1.02);
            box-shadow: var(--shadow-cta);
        }

        .btn-gold:active {
            transform: scale(0.98);
            background: #8D6A3E;
        }

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

        .btn-primary:hover {
            background: var(--color-primary-dark);
            transform: scale(1.02);
        }

        .btn-primary:active {
            transform: scale(0.98);
            background: #061F18;
        }

        .btn-outline {
            background: #fff;
            border-color: var(--color-border);
            color: var(--color-primary);
        }

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

        .btn-outline-light {
            background: transparent;
            border-color: rgba(255,255,255,0.5);
            color: #fff;
        }

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

        .btn-lg {
            padding: 16px 40px;
            font-size: 16px;
            border-radius: 12px;
        }

        .btn-back {
            padding: 10px 22px;
            font-size: 14px;
        }

        .header-cta {
            padding: 10px 24px;
            font-size: 14px;
        }

        /* ========== Header / Nav ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(255,255,255,0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid transparent;
            transition: box-shadow 0.25s ease, background 0.25s ease;
        }

        .site-header.scrolled {
            background: rgba(255,255,255,0.98);
            border-bottom-color: var(--color-border);
            box-shadow: 0 4px 20px rgba(0,0,0,0.06);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 76px;
            gap: 24px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--color-primary);
            color: #fff;
            font-weight: 800;
            font-size: 13px;
            padding: 6px 11px;
            border-radius: 8px;
            letter-spacing: 0.03em;
            line-height: 1;
        }

        .logo-text {
            font-size: 20px;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.01em;
            line-height: 1.2;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            margin-left: auto;
        }

        .main-nav a {
            position: relative;
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text);
            padding: 8px 12px;
            border-radius: 6px;
            transition: color 0.2s ease, background 0.2s ease;
        }

        .main-nav a::after {
            content: "";
            position: absolute;
            left: 12px;
            right: 12px;
            bottom: 2px;
            height: 2px;
            background: var(--color-gold);
            border-radius: 2px;
            transform: scaleX(0);
            transform-origin: left;
            transition: transform 0.22s ease;
        }

        .main-nav a:hover {
            color: var(--color-primary);
            background: rgba(14,59,46,0.04);
        }

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

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

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

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            width: 42px;
            height: 42px;
            align-items: center;
            justify-content: center;
            border-radius: 10px;
            background: var(--color-bg);
            border: 1px solid var(--color-border);
            transition: background 0.2s ease;
        }

        .nav-toggle:hover {
            background: var(--color-gold-soft);
        }

        .nav-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
            transition: transform 0.25s ease, opacity 0.2s ease;
        }

        .nav-toggle.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .nav-toggle.active span:nth-child(2) {
            opacity: 0;
        }

        .nav-toggle.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* ========== 面包屑 ========== */
        .breadcrumb-bar {
            position: relative;
            background: var(--color-section-alt);
            border-bottom: 1px solid var(--color-border-light);
            padding: 22px 0;
            margin-top: 76px;
            overflow: hidden;
        }

        .breadcrumb-bar::before {
            content: "";
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center / cover no-repeat;
            opacity: 0.06;
            pointer-events: none;
        }

        .breadcrumb-inner {
            position: relative;
            z-index: 1;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: var(--color-text-secondary);
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--color-primary);
            font-weight: 500;
            transition: color 0.2s ease;
        }

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

        .breadcrumb-sep {
            color: var(--color-gold);
            font-size: 12px;
            line-height: 1;
        }

        .breadcrumb-current {
            color: var(--color-text-secondary);
            max-width: 420px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        /* ========== 文章主体 ========== */
        .article-page {
            padding-bottom: 40px;
        }

        .article-container {
            max-width: 880px;
        }

        .article-header {
            padding: 52px 0 36px;
            text-align: center;
        }

        .article-header .badge {
            margin-bottom: 8px;
        }

        .article-title {
            font-size: 42px;
            font-weight: 800;
            line-height: 1.25;
            color: var(--color-primary);
            letter-spacing: -0.01em;
            margin: 22px 0 18px;
        }

        .article-meta {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 26px;
            flex-wrap: wrap;
            margin-bottom: 28px;
        }

        .meta-item {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.4;
        }

        .meta-item i {
            color: var(--color-gold);
            font-size: 13px;
        }

        .article-summary {
            background: linear-gradient(135deg, #F5EFE3 0%, #FDFAF4 100%);
            border-left: 4px solid var(--color-gold);
            border-radius: 0 var(--radius-card) var(--radius-card) 0;
            padding: 22px 26px;
            text-align: left;
            margin-top: 12px;
            position: relative;
        }

        .article-summary p {
            font-size: 15px;
            line-height: 1.85;
            color: var(--color-text-secondary);
        }

        .article-content-wrapper {
            background: var(--color-surface);
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-card);
            padding: 52px 56px 44px;
            margin-bottom: 48px;
        }

        .article-content {
            font-size: 17px;
            line-height: 1.9;
            color: var(--color-text);
        }

        .article-content h2 {
            font-size: 26px;
            font-weight: 700;
            line-height: 1.35;
            color: var(--color-primary);
            margin: 44px 0 18px;
            padding-left: 16px;
            border-left: 4px solid var(--color-gold);
        }

        .article-content h3 {
            font-size: 21px;
            font-weight: 600;
            line-height: 1.4;
            color: var(--color-text);
            margin: 34px 0 14px;
        }

        .article-content h4 {
            font-size: 17px;
            font-weight: 600;
            margin: 26px 0 10px;
            color: var(--color-text);
        }

        .article-content p {
            margin-bottom: 21px;
            line-height: 1.9;
        }

        .article-content strong {
            color: var(--color-primary);
            font-weight: 600;
        }

        .article-content img {
            border-radius: var(--radius-img);
            margin: 28px 0;
            box-shadow: var(--shadow-card);
        }

        .article-content blockquote {
            border-left: 4px solid var(--color-gold);
            background: var(--color-gold-soft);
            padding: 22px 26px;
            margin: 28px 0;
            border-radius: 0 var(--radius-card) var(--radius-card) 0;
            color: var(--color-text-secondary);
            font-style: italic;
            position: relative;
        }

        .article-content blockquote::before {
            content: "\201C";
            position: absolute;
            top: 2px;
            left: 10px;
            font-size: 64px;
            font-family: Georgia, serif;
            color: var(--color-gold);
            opacity: 0.28;
            pointer-events: none;
            line-height: 1;
        }

        .article-content blockquote p {
            margin-bottom: 0;
            position: relative;
            z-index: 1;
        }

        .article-content ul,
        .article-content ol {
            margin: 16px 0 26px;
            padding-left: 30px;
        }

        .article-content li {
            margin-bottom: 10px;
            padding-left: 4px;
            line-height: 1.8;
        }

        .article-content ul li {
            list-style: none;
            position: relative;
        }

        .article-content ul li::before {
            content: "";
            position: absolute;
            left: -20px;
            top: 12px;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--color-gold);
        }

        .article-content ol li {
            list-style: decimal;
        }

        .article-content a {
            color: var(--color-primary);
            text-decoration: underline;
            text-underline-offset: 4px;
            text-decoration-color: rgba(201,169,106,0.7);
            text-decoration-thickness: 1px;
        }

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

        .article-content hr {
            border: none;
            border-top: 1px solid var(--color-border);
            margin: 36px 0;
        }

        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
            font-size: 15px;
        }

        .article-content table th,
        .article-content table td {
            border: 1px solid var(--color-border);
            padding: 12px 16px;
            text-align: left;
        }

        .article-content table th {
            background: var(--color-gold-soft);
            font-weight: 600;
            color: var(--color-primary);
        }

        /* 未找到 */
        .not-found {
            text-align: center;
            padding: 80px 24px;
        }

        .not-found i {
            font-size: 48px;
            color: var(--color-border);
            margin-bottom: 20px;
        }

        .not-found p {
            font-size: 18px;
            color: var(--color-text-secondary);
            margin-bottom: 28px;
        }

        /* ========== 徽章 ========== */
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--color-primary);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.04em;
            padding: 6px 16px;
            border-radius: var(--radius-badge);
            line-height: 1.4;
        }

        .badge-gold {
            background: var(--color-gold);
            color: var(--color-primary-deeper);
        }

        .badge-line {
            background: transparent;
            border: 1px solid var(--color-gold);
            color: var(--color-gold-dark);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: var(--radius-badge);
            letter-spacing: 0.03em;
        }

        /* ========== 文末信息条 ========== */
        .article-footer-bar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            padding-top: 30px;
            margin-top: 36px;
            border-top: 1px solid var(--color-border-light);
        }

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

        .article-tag {
            display: inline-block;
            background: var(--color-bg);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-badge);
            padding: 5px 15px;
            font-size: 13px;
            font-weight: 500;
            color: var(--color-text-secondary);
            transition: var(--transition-base);
            line-height: 1.5;
        }

        .article-tag:hover {
            background: var(--color-gold-soft);
            border-color: var(--color-gold);
            color: var(--color-primary);
        }

        /* ========== 上一篇 / 下一篇 ========== */
        .post-nav {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin-top: 36px;
        }

        .post-nav-card {
            display: flex;
            flex-direction: column;
            background: var(--color-bg);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 20px 24px;
            transition: var(--transition-base);
            min-height: 88px;
        }

        .post-nav-card:hover {
            background: #fff;
            border-color: var(--color-gold);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }

        .post-nav-next {
            text-align: right;
            align-items: flex-end;
        }

        .post-nav-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            color: var(--color-gold-dark);
            margin-bottom: 6px;
            line-height: 1.4;
        }

        .post-nav-title {
            display: block;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text);
            line-height: 1.5;
        }

        /* ========== 相关推荐 ========== */
        .related-section {
            padding: 88px 0 16px;
            background: var(--color-bg);
        }

        .section-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 20px;
            margin-bottom: 36px;
            flex-wrap: wrap;
        }

        .section-head h2 {
            font-size: 32px;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.3;
            letter-spacing: -0.01em;
        }

        .section-head-text {
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.6;
            max-width: 480px;
        }

        .section-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--color-primary);
            padding: 8px 0;
        }

        .section-link:hover {
            color: var(--color-gold-dark);
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .related-card {
            background: #fff;
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: var(--transition-base);
            box-shadow: var(--shadow-card);
            display: flex;
            flex-direction: column;
        }

        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--color-gold);
        }

        .related-thumb {
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: var(--color-section-alt);
        }

        .related-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.45s ease;
        }

        .related-card:hover .related-thumb img {
            transform: scale(1.045);
        }

        .related-body {
            padding: 20px 22px 24px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .related-body h3 {
            font-size: 17px;
            font-weight: 600;
            line-height: 1.5;
            color: var(--color-text);
            margin: 12px 0 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color 0.2s ease;
        }

        .related-card:hover .related-body h3 {
            color: var(--color-primary);
        }

        .related-body p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin-bottom: 14px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .related-date {
            font-size: 13px;
            color: var(--color-text-secondary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-top: auto;
            line-height: 1.4;
        }

        .related-date i {
            color: var(--color-gold);
            font-size: 12px;
        }

        /* ========== CTA 区块 ========== */
        .cta-section {
            background: var(--color-primary);
            padding: 96px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(201,169,106,0.18) 0%, rgba(14,59,46,0) 55%);
            pointer-events: none;
        }

        .cta-section::after {
            content: "";
            position: absolute;
            right: -120px;
            top: -120px;
            width: 320px;
            height: 320px;
            border-radius: 50%;
            border: 1px solid rgba(201,169,106,0.25);
            pointer-events: none;
        }

        .cta-inner {
            text-align: center;
            position: relative;
            z-index: 1;
        }

        .cta-inner h2 {
            font-size: 36px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            line-height: 1.3;
            letter-spacing: -0.01em;
        }

        .cta-inner p {
            font-size: 17px;
            color: var(--color-muted);
            margin-bottom: 38px;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-actions {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--color-primary-deeper);
            padding-top: 72px;
            color: var(--color-muted);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 48px;
            padding-bottom: 56px;
            border-bottom: 1px solid rgba(255,255,255,0.08);
        }

        .footer-brand .logo-text {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            display: block;
            margin-bottom: 16px;
            letter-spacing: 0.01em;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            max-width: 340px;
        }

        .footer-title {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 20px;
            letter-spacing: 0.04em;
        }

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

        .footer-links li {
            margin-bottom: 12px;
        }

        .footer-links a {
            font-size: 14px;
            color: var(--color-muted);
            transition: var(--transition-base);
            line-height: 1.5;
        }

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

        .footer-contact li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 14px;
            margin-bottom: 16px;
            line-height: 1.6;
        }

        .footer-contact i {
            color: var(--color-gold);
            margin-top: 4px;
            font-size: 14px;
            width: 18px;
            text-align: center;
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 24px 0;
            font-size: 13px;
            color: rgba(216,210,197,0.55);
            flex-wrap: wrap;
            gap: 8px;
        }

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

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 40px;
            }

            .main-nav {
                gap: 4px;
            }

            .main-nav a {
                padding: 8px 10px;
                font-size: 14px;
            }
        }

        @media (max-width: 768px) {
            .main-nav {
                display: none;
                position: fixed;
                top: 76px;
                left: 0;
                right: 0;
                background: #fff;
                padding: 24px 24px 32px;
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
                box-shadow: 0 16px 40px rgba(0,0,0,0.12);
                z-index: 999;
                margin: 0;
                border-bottom: 1px solid var(--color-border);
            }

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

            .main-nav a {
                display: block;
                width: 100%;
                padding: 14px 8px;
                font-size: 17px;
                border-bottom: 1px solid var(--color-border-light);
                border-radius: 0;
            }

            .main-nav a:last-child {
                border-bottom: none;
            }

            .main-nav a::after {
                display: none;
            }

            .nav-toggle {
                display: flex;
            }

            .header-cta {
                display: none;
            }

            .breadcrumb-bar {
                margin-top: 68px;
            }

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

            .article-content-wrapper {
                padding: 34px 20px 30px;
            }

            .article-title {
                font-size: 32px;
            }

            .article-meta {
                gap: 12px 16px;
            }

            .post-nav {
                grid-template-columns: 1fr;
            }

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

            .cta-section {
                padding: 68px 0;
            }

            .cta-inner h2 {
                font-size: 28px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 36px;
            }

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

            .header-inner {
                height: 68px;
            }
        }

        @media (max-width: 640px) {
            .logo-text {
                font-size: 18px;
            }

            .logo-mark {
                font-size: 12px;
                padding: 5px 9px;
            }

            .article-title {
                font-size: 27px;
            }

            .article-summary {
                padding: 16px 18px;
            }

            .article-content {
                font-size: 16px;
            }

            .article-content h2 {
                font-size: 22px;
            }

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

            .breadcrumb-current {
                max-width: 180px;
            }

            .section-head h2 {
                font-size: 26px;
            }

            .cta-actions {
                flex-direction: column;
                align-items: center;
            }

            .cta-actions .btn {
                width: 100%;
                max-width: 320px;
            }
        }