/* roulang page: index */
:root {
            --zd-primary: #9A4A2A;
            --zd-primary-2: #C96F3B;
            --zd-accent: #D9A441;
            --zd-accent-soft: #F2E3C0;
            --zd-bg: #FBF7F0;
            --zd-surface: #FFFDF9;
            --zd-ink: #221914;
            --zd-muted: #6B5A4E;
            --zd-success: #3E7C4F;
            --zd-danger: #B7462F;
            --zd-radius-lg: 20px;
            --zd-radius-md: 12px;
            --zd-radius-pill: 999px;
            --zd-shadow: 0 12px 40px rgba(52, 32, 15, 0.08);
            --zd-shadow-hover: 0 20px 50px rgba(52, 32, 15, 0.14);
            --zd-gradient: linear-gradient(135deg, #9A4A2A 0%, #C96F3B 55%, #D9A441 100%);
            --zd-container: 1200px;
            --zd-space: clamp(64px, 8vw, 96px);
            --zd-font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
        }

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

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color .2s ease;
        }

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

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

        input,
        select,
        textarea {
            font-family: inherit;
            font-size: 15px;
        }

        .container {
            max-width: var(--zd-container);
            margin: 0 auto;
            padding: 0 20px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: var(--zd-radius-md);
            font-size: 15px;
            font-weight: 600;
            line-height: 1.2;
            transition: all .25s ease;
            border: 2px solid transparent;
            text-align: center;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--zd-gradient);
            color: #fff;
            box-shadow: 0 6px 20px rgba(154, 74, 42, 0.25);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(154, 74, 42, 0.35);
        }

        .btn-primary:active {
            transform: scale(0.98);
        }

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

        .btn-outline:hover {
            background: rgba(154, 74, 42, 0.08);
            transform: translateY(-2px);
        }

        .btn-outline:active {
            transform: scale(0.98);
        }

        .btn:focus-visible,
        .nav-link:focus-visible,
        .faq-question:focus-visible {
            outline: 2px solid var(--zd-primary);
            outline-offset: 2px;
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(251, 247, 240, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(154, 74, 42, 0.1);
        }

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

        .brand {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 18px;
            font-weight: 800;
            letter-spacing: 1px;
            color: var(--zd-ink);
        }

        .brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: var(--zd-gradient);
            color: #fff;
            font-size: 16px;
            flex-shrink: 0;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-link {
            padding: 10px 16px;
            border-radius: 8px;
            font-size: 15px;
            font-weight: 600;
            color: var(--zd-muted);
            transition: all .2s ease;
        }

        .nav-link:hover {
            color: var(--zd-primary);
            background: rgba(154, 74, 42, 0.06);
        }

        .nav-link.active {
            color: var(--zd-primary);
            background: rgba(154, 74, 42, 0.1);
        }

        .header-cta {
            padding: 10px 22px;
            font-size: 14px;
        }

        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: 8px;
            transition: background .2s;
        }

        .menu-toggle span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--zd-ink);
            border-radius: 2px;
            transition: transform .3s ease;
        }

        /* Hero */
        .hero {
            position: relative;
            background-image: url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center;
            min-height: 640px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(115deg, rgba(34, 25, 20, 0.88) 30%, rgba(34, 25, 20, 0.55) 65%, rgba(34, 25, 20, 0.2) 100%);
        }

        .hero-content {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
            padding: 80px 20px;
            width: 100%;
            max-width: var(--zd-container);
            margin: 0 auto;
        }

        .hero-text {
            color: #fff;
        }

        .hero-kicker {
            display: inline-block;
            padding: 6px 16px;
            background: rgba(217, 164, 65, 0.2);
            border: 1px solid rgba(217, 164, 65, 0.4);
            border-radius: var(--zd-radius-pill);
            font-size: 13px;
            font-weight: 600;
            color: #F2E3C0;
            letter-spacing: 0.5px;
            margin-bottom: 20px;
        }

        .hero-title {
            font-size: clamp(34px, 5vw, 54px);
            font-weight: 800;
            line-height: 1.15;
            margin-bottom: 20px;
            letter-spacing: 1px;
        }

        .hero-subtitle {
            font-size: 17px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 32px;
            max-width: 460px;
        }

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

        .hero-progress {
            margin-top: 40px;
            display: flex;
            align-items: center;
            gap: 24px;
            background: rgba(255, 255, 255, 0.08);
            border-radius: var(--zd-radius-lg);
            padding: 20px 24px;
            max-width: 440px;
        }

        .progress-ring {
            position: relative;
            width: 88px;
            height: 88px;
            flex-shrink: 0;
        }

        .progress-ring svg {
            width: 100%;
            height: 100%;
            transform: rotate(-90deg);
        }

        .progress-ring circle {
            fill: none;
            stroke-width: 8;
        }

        .progress-ring .bg-circle {
            stroke: rgba(255, 255, 255, 0.15);
        }

        .progress-ring .fg-circle {
            stroke: var(--zd-accent);
            stroke-linecap: round;
            transition: stroke-dashoffset .8s ease;
        }

        .progress-text {
            position: absolute;
            inset: 0;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            color: #fff;
        }

        .progress-text strong {
            font-size: 20px;
            font-weight: 800;
            line-height: 1;
        }

        .progress-text small {
            font-size: 11px;
            opacity: 0.7;
            margin-top: 2px;
        }

        .progress-info h4 {
            font-size: 16px;
            color: #fff;
            margin-bottom: 4px;
        }

        .progress-info p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.5;
        }

        /* Stats Panel */
        .hero-stats {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .stat-card {
            background: var(--zd-surface);
            border-radius: var(--zd-radius-lg);
            padding: 28px 24px;
            position: relative;
            box-shadow: var(--zd-shadow);
            transition: box-shadow .3s ease, transform .3s ease;
            min-height: 180px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .stat-card:hover {
            box-shadow: var(--zd-shadow-hover);
            transform: translateY(-2px);
        }

        .stat-badge {
            position: absolute;
            top: 14px;
            right: 14px;
            background: var(--zd-ink);
            color: var(--zd-accent);
            font-size: 12px;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: var(--zd-radius-pill);
            letter-spacing: 0.5px;
        }

        .stat-number {
            font-size: clamp(40px, 4vw, 56px);
            font-weight: 800;
            line-height: 1;
            font-variant-numeric: tabular-nums;
            background: var(--zd-gradient);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            color: transparent;
            margin-bottom: 8px;
        }

        .stat-name {
            font-size: 14px;
            font-weight: 600;
            color: var(--zd-ink);
            margin-bottom: 2px;
        }

        .stat-desc {
            font-size: 12px;
            color: var(--zd-muted);
            line-height: 1.4;
        }

        /* Section */
        .section {
            padding: var(--zd-space) 0;
        }

        .section-header {
            margin-bottom: 48px;
            max-width: 600px;
        }

        .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            color: var(--zd-primary);
            background: var(--zd-accent-soft);
            padding: 5px 14px;
            border-radius: var(--zd-radius-pill);
            margin-bottom: 14px;
            letter-spacing: 1px;
        }

        .section-title {
            font-size: clamp(24px, 3vw, 34px);
            font-weight: 700;
            line-height: 1.25;
            color: var(--zd-ink);
            margin-bottom: 16px;
        }

        .section-desc {
            font-size: 16px;
            color: var(--zd-muted);
            line-height: 1.7;
        }

        /* Services Grid */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
        }

        .service-card {
            background: var(--zd-surface);
            border-radius: var(--zd-radius-lg);
            overflow: hidden;
            box-shadow: var(--zd-shadow);
            transition: box-shadow .3s ease, transform .3s ease;
            position: relative;
        }

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

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

        .service-card.offset {
            transform: translateY(24px);
        }

        .service-card.offset:hover {
            transform: translateY(20px);
        }

        .service-cover {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16/10;
            border-radius: var(--zd-radius-lg) var(--zd-radius-lg) 0 0;
        }

        .service-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .25s ease;
        }

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

        .service-number {
            position: absolute;
            top: 12px;
            left: 16px;
            font-size: clamp(32px, 4vw, 52px);
            font-weight: 800;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1;
            pointer-events: none;
            text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
        }

        .service-badge {
            position: absolute;
            top: 14px;
            right: 14px;
            background: var(--zd-gradient);
            color: #fff;
            font-size: 12px;
            font-weight: 700;
            padding: 5px 14px;
            border-radius: var(--zd-radius-pill);
            box-shadow: 0 4px 12px rgba(154, 74, 42, 0.3);
        }

        .service-body {
            padding: 20px 24px 24px;
        }

        .service-name {
            font-size: 21px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--zd-ink);
        }

        .service-desc {
            font-size: 14px;
            color: var(--zd-muted);
            line-height: 1.6;
            margin-bottom: 16px;
        }

        .service-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            border-top: 1px solid rgba(154, 74, 42, 0.08);
            padding-top: 14px;
        }

        .service-price {
            font-size: 18px;
            font-weight: 800;
            color: var(--zd-accent);
        }

        .service-price small {
            font-size: 13px;
            font-weight: 400;
            color: var(--zd-muted);
        }

        .service-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--zd-primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap .2s ease;
        }

        .service-link:hover {
            gap: 8px;
            text-decoration: underline;
        }

        /* Compare Section */
        .compare-wrap {
            display: grid;
            grid-template-columns: 55% 45%;
            gap: 32px;
            align-items: start;
        }

        .compare-card {
            background: var(--zd-surface);
            border-radius: var(--zd-radius-lg);
            padding: 40px;
            box-shadow: var(--zd-shadow);
        }

        .compare-card.highlight {
            background: linear-gradient(145deg, #FFFDF9 0%, #F2E3C0 100%);
            border: 1.5px solid var(--zd-accent);
            position: relative;
        }

        .compare-recommend {
            position: absolute;
            top: -14px;
            right: 24px;
            background: var(--zd-gradient);
            color: #fff;
            font-size: 13px;
            font-weight: 700;
            padding: 6px 16px;
            border-radius: var(--zd-radius-pill);
            box-shadow: 0 4px 14px rgba(154, 74, 42, 0.3);
        }

        .compare-title {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 24px;
            color: var(--zd-ink);
        }

        .compare-list {
            list-style: none;
        }

        .compare-list li {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 0;
            border-bottom: 1px solid rgba(154, 74, 42, 0.08);
            font-size: 15px;
            color: var(--zd-ink);
        }

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

        .compare-list .item-name {
            font-weight: 500;
        }

        .compare-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 22px;
            height: 22px;
            border-radius: 50%;
            font-size: 12px;
            flex-shrink: 0;
        }

        .compare-icon.check {
            background: rgba(62, 124, 79, 0.12);
            color: var(--zd-success);
        }

        .compare-icon.cross {
            background: rgba(183, 70, 47, 0.1);
            color: var(--zd-danger);
        }

        .compare-cta {
            margin-top: 28px;
            text-align: center;
        }

        .compare-data-bar {
            display: flex;
            gap: 12px;
            margin-top: 32px;
            flex-wrap: wrap;
        }

        .data-badge {
            background: var(--zd-gradient);
            padding: 16px 24px;
            border-radius: var(--zd-radius-lg);
            text-align: center;
            flex: 1;
            min-width: 130px;
            color: #fff;
            box-shadow: 0 6px 20px rgba(154, 74, 42, 0.2);
        }

        .data-badge strong {
            display: block;
            font-size: 28px;
            font-weight: 800;
            line-height: 1.2;
            color: #fff;
        }

        .data-badge span {
            font-size: 13px;
            opacity: 0.9;
        }

        /* News Section */
        .news-section {
            background: var(--surface-muted, #f5efe6);
        }

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

        .news-item {
            display: flex;
            align-items: center;
            gap: 24px;
            background: var(--zd-surface);
            border-radius: var(--zd-radius-lg);
            padding: 20px 24px;
            box-shadow: var(--zd-shadow);
            transition: all .25s ease;
            border: 1px solid transparent;
            position: relative;
        }

        .news-item:hover {
            background: var(--zd-accent-soft);
            transform: translateX(4px);
            box-shadow: var(--zd-shadow-hover);
            border-color: rgba(217, 164, 65, 0.3);
        }

        .news-item::before {
            content: '';
            position: absolute;
            left: 0;
            top: 20%;
            bottom: 20%;
            width: 4px;
            background: var(--zd-accent);
            border-radius: 0 4px 4px 0;
            opacity: 0;
            transition: opacity .2s ease;
        }

        .news-item:hover::before {
            opacity: 1;
        }

        .news-date {
            width: 72px;
            flex-shrink: 0;
            text-align: center;
            padding: 12px 8px;
            background: var(--zd-bg);
            border-radius: var(--zd-radius-md);
        }

        .news-month {
            display: block;
            font-size: 14px;
            font-weight: 600;
            color: var(--zd-muted);
        }

        .news-day {
            display: block;
            font-size: 28px;
            font-weight: 800;
            line-height: 1.2;
            color: var(--zd-primary);
        }

        .news-week {
            display: block;
            font-size: 12px;
            color: var(--zd-muted);
        }

        .news-thumb {
            width: 100px;
            height: 72px;
            border-radius: 8px;
            object-fit: cover;
            flex-shrink: 0;
        }

        .news-info {
            flex: 1;
            min-width: 0;
        }

        .news-info h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 4px;
            color: var(--zd-ink);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .news-info p {
            font-size: 14px;
            color: var(--zd-muted);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 6px;
        }

        .news-category {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            background: var(--zd-accent-soft);
            color: var(--zd-primary);
            padding: 3px 10px;
            border-radius: var(--zd-radius-pill);
        }

        .news-arrow {
            font-size: 22px;
            color: var(--zd-primary);
            flex-shrink: 0;
            transition: transform .2s ease;
        }

        .news-item:hover .news-arrow {
            transform: translateX(4px);
        }

        .news-empty {
            text-align: center;
            padding: 60px 20px;
            background: var(--zd-surface);
            border-radius: var(--zd-radius-lg);
            color: var(--zd-muted);
            font-size: 16px;
        }

        .news-empty .empty-icon {
            font-size: 40px;
            display: block;
            margin-bottom: 16px;
            opacity: 0.4;
        }

        /* FAQ Section */
        .faq-wrap {
            background: var(--zd-surface);
            border-radius: var(--zd-radius-lg);
            box-shadow: var(--zd-shadow);
            overflow: hidden;
            padding: 12px 40px;
        }

        .faq-item {
            border-bottom: 1px solid rgba(154, 74, 42, 0.08);
            transition: background .25s ease;
        }

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

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 8px;
            cursor: pointer;
            border: none;
            background: none;
            width: 100%;
            text-align: left;
            font-size: 16px;
            font-weight: 600;
            color: var(--zd-ink);
            transition: color .2s ease;
        }

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

        .faq-num {
            font-size: 16px;
            font-weight: 800;
            color: var(--zd-accent);
            margin-right: 16px;
            font-variant-numeric: tabular-nums;
        }

        .faq-question-text {
            flex: 1;
        }

        .faq-icon {
            width: 24px;
            height: 24px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 6px;
            background: var(--zd-accent-soft);
            color: var(--zd-primary);
            font-size: 18px;
            font-weight: 700;
            transition: transform .25s ease, background .25s ease;
            flex-shrink: 0;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .25s ease, padding .25s ease;
            padding: 0 8px;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 8px 24px;
        }

        .faq-answer p {
            font-size: 15px;
            line-height: 1.75;
            color: var(--zd-muted);
            padding-left: 36px;
        }

        /* Contact CTA */
        .contact-section {
            position: relative;
            background-image: url('/assets/images/backpic/back-2.jpg');
            background-size: cover;
            background-position: center;
            padding: 80px 0;
            overflow: hidden;
        }

        .contact-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(115deg, rgba(34, 25, 20, 0.92) 20%, rgba(154, 74, 42, 0.8) 60%, rgba(201, 111, 59, 0.7) 100%);
        }

        .contact-container {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            max-width: var(--zd-container);
            margin: 0 auto;
            padding: 0 20px;
            align-items: center;
        }

        .contact-info {
            color: #fff;
        }

        .contact-info h2 {
            font-size: clamp(24px, 3vw, 34px);
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 20px;
        }

        .contact-info p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.7;
            margin-bottom: 24px;
        }

        .contact-detail {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 14px;
            font-size: 15px;
        }

        .contact-detail .icon {
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(255, 255, 255, 0.12);
            border-radius: 10px;
            font-size: 16px;
            color: var(--zd-accent);
        }

        .contact-form {
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-radius: var(--zd-radius-lg);
            padding: 36px;
            border: 1px solid rgba(255, 255, 255, 0.15);
        }

        .form-group {
            margin-bottom: 18px;
        }

        .form-group label {
            display: block;
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 8px;
        }

        .form-group input,
        .form-group select,
        .form-group textarea {
            width: 100%;
            padding: 14px 16px;
            border: none;
            border-radius: var(--zd-radius-md);
            background: #fff;
            font-size: 15px;
            color: var(--zd-ink);
            transition: box-shadow .2s ease, border-color .2s ease;
        }

        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            outline: none;
            box-shadow: 0 0 0 4px rgba(217, 164, 65, 0.18);
            border: none;
        }

        .form-group input::placeholder,
        .form-group textarea::placeholder {
            color: #9C8C7C;
        }

        .form-group textarea {
            min-height: 100px;
            resize: vertical;
        }

        .form-submit {
            width: 100%;
            padding: 16px;
            border-radius: var(--zd-radius-md);
            background: var(--zd-gradient);
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            border: none;
            transition: all .25s ease;
            box-shadow: 0 6px 20px rgba(217, 164, 65, 0.3);
            margin-top: 6px;
        }

        .form-submit:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(217, 164, 65, 0.4);
        }

        .form-submit:active {
            transform: scale(0.98);
        }

        .form-status {
            text-align: center;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.8);
            margin-top: 12px;
            min-height: 20px;
        }

        .privacy-note {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
            text-align: center;
            margin-top: 14px;
            line-height: 1.5;
        }

        /* Footer */
        .site-footer {
            background: var(--zd-ink);
            color: rgba(255, 255, 255, 0.8);
            padding: 60px 0 30px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand .brand {
            color: #fff;
            font-size: 20px;
            margin-bottom: 14px;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
            max-width: 300px;
        }

        .footer-title {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 20px;
            letter-spacing: 1px;
        }

        .footer-links {
            list-style: none;
        }

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

        .footer-links a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            transition: color .2s ease;
        }

        .footer-links a:hover {
            color: var(--zd-accent);
            text-decoration: underline;
        }

        .footer-contact {
            list-style: none;
        }

        .footer-contact li {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 10px;
            display: flex;
            align-items: flex-start;
            gap: 8px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 24px;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }

        .footer-bottom span {
            margin: 0 8px;
        }

        /* Responsive */
        @media (max-width: 1023px) {
            .hero-content {
                grid-template-columns: 1fr;
                gap: 40px;
                padding: 60px 20px;
            }

            .hero-text {
                text-align: left;
            }

            .hero-stats {
                grid-template-columns: 1fr 1fr;
            }

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

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

            .service-card.offset {
                transform: none;
            }

            .service-card.offset:hover {
                transform: translateY(-4px);
            }

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

            .compare-card.highlight {
                margin-top: 20px;
            }

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

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

            .footer-brand {
                grid-column: span 2;
            }
        }

        @media (max-width: 767px) {
            .header-inner {
                height: 64px;
            }

            .main-nav {
                display: none;
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                background: var(--zd-bg);
                flex-direction: column;
                padding: 16px 20px;
                border-bottom: 1px solid rgba(154, 74, 42, 0.1);
                box-shadow: 0 12px 30px rgba(52, 32, 15, 0.08);
            }

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

            .nav-link {
                width: 100%;
                text-align: center;
                padding: 12px;
            }

            .header-cta {
                display: none;
            }

            .menu-toggle {
                display: flex;
            }

            .hero {
                min-height: auto;
            }

            .hero-content {
                padding: 40px 20px;
            }

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

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

            .hero-progress {
                flex-direction: column;
                align-items: flex-start;
                padding: 16px;
            }

            .hero-stats {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }

            .stat-card {
                padding: 16px;
                min-height: 150px;
            }

            .stat-number {
                font-size: 32px;
            }

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

            .service-card.featured {
                grid-column: span 1;
            }

            .service-card.offset {
                transform: none;
            }

            .section {
                padding: 48px 0;
            }

            .compare-card {
                padding: 24px;
            }

            .news-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 14px;
                padding: 16px;
            }

            .news-date {
                width: 100%;
                flex-direction: row;
                justify-content: flex-start;
                gap: 8px;
                padding: 8px 12px;
            }

            .news-month,
            .news-day,
            .news-week {
                display: inline-block;
            }

            .news-thumb {
                width: 100%;
                height: 140px;
            }

            .faq-wrap {
                padding: 8px 16px;
            }

            .faq-question-text {
                font-size: 15px;
            }

            .contact-section {
                padding: 50px 0;
            }

            .contact-form {
                padding: 24px 18px;
            }

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

            .footer-brand {
                grid-column: span 1;
            }

            .compare-data-bar {
                flex-direction: column;
            }

            .data-badge {
                min-width: auto;
            }
        }

        @media (max-width: 480px) {
            .hero-stats {
                grid-template-columns: 1fr 1fr;
            }

            .stat-card {
                padding: 14px;
            }

            .stat-badge {
                font-size: 10px;
                padding: 3px 8px;
            }
        }

/* roulang page: article */
:root {
    --zd-primary: #9A4A2A;
    --zd-primary-2: #C96F3B;
    --zd-accent: #D9A441;
    --zd-accent-soft: #F2E3C0;
    --zd-bg: #FBF7F0;
    --zd-surface: #FFFDF9;
    --zd-ink: #221914;
    --zd-muted: #6B5A4E;
    --zd-success: #3E7C4F;
    --zd-danger: #B7462F;
    --zd-grad: linear-gradient(135deg, #9A4A2A 0%, #C96F3B 55%, #D9A441 100%);
    --zd-grad-gold: linear-gradient(135deg, #D9A441 0%, #C96F3B 100%);
    --zd-radius-lg: 24px;
    --zd-radius-md: 16px;
    --zd-radius-sm: 12px;
    --zd-shadow-card: 0 12px 40px rgba(52, 32, 15, 0.08);
    --zd-shadow-hover: 0 20px 50px rgba(52, 32, 15, 0.14);
    --zd-font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
    --zd-container: 1200px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--zd-font);
    background: var(--zd-bg);
    color: var(--zd-ink);
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

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

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

button, input, select, textarea {
    font-family: inherit;
    font-size: 100%;
    line-height: inherit;
}

.container {
    max-width: var(--zd-container);
    margin: 0 auto;
    padding: 0 20px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: var(--zd-radius-sm);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: all 0.25s ease;
    line-height: 1.4;
    white-space: nowrap;
}

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

.btn:active {
    transform: scale(0.98);
}

.btn-primary {
    background: var(--zd-grad);
    color: #FFFDF9;
    box-shadow: 0 4px 16px rgba(154, 74, 42, 0.28);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(154, 74, 42, 0.35);
}

.btn-outline {
    background: transparent;
    border: 1.5px solid rgba(154, 74, 42, 0.4);
    color: var(--zd-primary);
}

.btn-outline:hover {
    border-color: var(--zd-primary);
    background: rgba(154, 74, 42, 0.06);
    transform: translateY(-2px);
}

.btn-gold {
    background: var(--zd-grad-gold);
    color: #2A1D12;
    box-shadow: 0 4px 16px rgba(217, 164, 65, 0.3);
}

.btn-gold:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(217, 164, 65, 0.4);
}

.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 12px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 600;
}

/* ===== Header ===== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(251, 247, 240, 0.96);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(34, 25, 20, 0.06);
}

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

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
    font-size: 20px;
    letter-spacing: 0.02em;
    color: var(--zd-ink);
    flex-shrink: 0;
}

.brand-icon {
    font-size: 24px;
    line-height: 1;
}

.brand:hover .brand-icon {
    transform: scale(1.08);
}

.brand-icon {
    transition: transform 0.25s ease;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 4px;
}

.nav-link {
    display: inline-flex;
    align-items: center;
    padding: 10px 18px;
    border-radius: 999px;
    font-size: 15px;
    font-weight: 500;
    color: var(--zd-muted);
    transition: all 0.2s ease;
}

.nav-link:hover {
    color: var(--zd-primary);
    background: rgba(154, 74, 42, 0.08);
}

.nav-link.active {
    color: var(--zd-primary);
    background: rgba(154, 74, 42, 0.1);
    font-weight: 600;
}

.header-cta {
    padding: 10px 22px;
    font-size: 14px;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    border-radius: 8px;
}

.nav-toggle span {
    display: block;
    height: 2px;
    border-radius: 2px;
    background: var(--zd-ink);
    transition: all 0.3s ease;
}

.nav-toggle:focus-visible {
    outline: 2px solid var(--zd-primary);
    outline-offset: 2px;
}

.nav-cta-mobile {
    display: none;
    margin-top: 12px;
    width: 100%;
}

/* ===== Breadcrumb ===== */
.breadcrumb-bar {
    background: #F5EDDF;
    border-top: 1px solid rgba(34, 25, 20, 0.05);
}

.breadcrumb-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    min-height: 56px;
    padding-top: 8px;
    padding-bottom: 8px;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 500;
    color: var(--zd-muted);
    white-space: nowrap;
    transition: color 0.2s ease;
}

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

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--zd-muted);
    min-width: 0;
}

.breadcrumb a {
    transition: color 0.2s ease;
    white-space: nowrap;
}

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

.breadcrumb-sep {
    color: rgba(107, 90, 78, 0.5);
    font-size: 13px;
}

.breadcrumb-current {
    color: var(--zd-ink);
    font-weight: 500;
    max-width: 280px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ===== Article Main ===== */
.article-main {
    padding: clamp(48px, 7vw, 80px) 0 40px;
}

.article-container {
    max-width: 760px;
    margin: 0 auto;
    padding: 0 20px;
}

.article-detail {
    background: var(--zd-surface);
    border-radius: var(--zd-radius-lg);
    box-shadow: var(--zd-shadow-card);
    overflow: hidden;
}

.article-header {
    padding: clamp(28px, 5vw, 48px) clamp(24px, 5vw, 52px) 32px;
    border-bottom: 1px solid rgba(34, 25, 20, 0.05);
}

.article-badge {
    display: inline-block;
    padding: 5px 14px;
    background: var(--zd-accent-soft);
    color: var(--zd-primary);
    border-radius: 999px;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.article-header h1 {
    font-size: clamp(28px, 4vw, 42px);
    font-weight: 800;
    line-height: 1.2;
    margin: 18px 0 14px;
    color: var(--zd-ink);
    letter-spacing: 0.01em;
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 16px 28px;
    font-size: 14px;
    color: var(--zd-muted);
}

.article-meta span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.article-content {
    padding: clamp(28px, 5vw, 52px);
    font-size: 17px;
    line-height: 1.8;
    color: var(--zd-ink);
}

.article-content h2 {
    font-size: clamp(22px, 3vw, 28px);
    font-weight: 700;
    line-height: 1.3;
    margin: 42px 0 18px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--zd-accent-soft);
    color: var(--zd-ink);
}

.article-content h2:first-child {
    margin-top: 0;
}

.article-content h3 {
    font-size: 20px;
    font-weight: 600;
    line-height: 1.4;
    margin: 32px 0 14px;
    color: var(--zd-ink);
}

.article-content h4 {
    font-size: 17px;
    font-weight: 600;
    margin: 24px 0 10px;
    color: var(--zd-ink);
}

.article-content p {
    margin: 0 0 24px;
}

.article-content a {
    color: var(--zd-primary);
    text-decoration: underline;
    text-underline-offset: 3px;
    text-decoration-color: rgba(154, 74, 42, 0.3);
    transition: text-decoration-color 0.2s ease;
}

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

.article-content strong {
    font-weight: 700;
}

.article-content em {
    font-style: italic;
}

.article-content blockquote {
    border-left: 4px solid var(--zd-accent);
    background: var(--zd-accent-soft);
    padding: 18px 24px;
    margin: 28px 0;
    border-radius: 0 14px 14px 0;
    color: var(--zd-muted);
    font-size: 16px;
    line-height: 1.75;
}

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

.article-content img {
    max-width: 100%;
    height: auto;
    border-radius: 16px;
    margin: 28px 0;
    box-shadow: var(--zd-shadow-card);
}

.article-content ul,
.article-content ol {
    margin: 0 0 24px 0;
    padding-left: 24px;
}

.article-content li {
    margin-bottom: 8px;
    line-height: 1.7;
}

.article-content li::marker {
    color: var(--zd-primary);
}

.article-content ul li::marker {
    color: var(--zd-accent);
    font-size: 14px;
}

.article-content pre {
    background: #2A2320;
    color: #EDE3D8;
    padding: 20px 24px;
    border-radius: 14px;
    overflow-x: auto;
    font-size: 14px;
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
    margin: 28px 0;
    line-height: 1.7;
}

.article-content code {
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
    font-size: 0.9em;
    background: rgba(154, 74, 42, 0.08);
    padding: 3px 6px;
    border-radius: 6px;
    color: var(--zd-primary);
}

.article-content pre code {
    background: transparent;
    padding: 0;
    color: inherit;
    font-size: 14px;
}

.article-content hr {
    border: none;
    border-top: 1px solid rgba(34, 25, 20, 0.08);
    margin: 40px 0;
}

.article-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 28px 0;
    font-size: 15px;
}

.article-content th,
.article-content td {
    border: 1px solid rgba(34, 25, 20, 0.08);
    padding: 12px 16px;
    text-align: left;
}

.article-content th {
    background: var(--zd-accent-soft);
    font-weight: 600;
    color: var(--zd-ink);
}

/* ===== Empty State ===== */
.article-empty {
    background: var(--zd-surface);
    border-radius: var(--zd-radius-lg);
    box-shadow: var(--zd-shadow-card);
    padding: clamp(60px, 10vw, 100px) 30px;
    text-align: center;
}

.article-empty-icon {
    font-size: 48px;
    margin-bottom: 20px;
    display: inline-block;
}

.article-empty p {
    font-size: 18px;
    color: var(--zd-muted);
    margin-bottom: 24px;
}

/* ===== Related Section ===== */
.related-section {
    max-width: 960px;
    margin: 64px auto 0;
    padding: 0 20px;
}

.related-title {
    font-size: clamp(24px, 3vw, 30px);
    font-weight: 700;
    letter-spacing: 0.02em;
    margin-bottom: 8px;
}

.related-subtitle {
    font-size: 14px;
    color: var(--zd-muted);
    margin-bottom: 28px;
}

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

.related-card {
    display: block;
    background: var(--zd-surface);
    border-radius: var(--zd-radius-md);
    overflow: hidden;
    box-shadow: var(--zd-shadow-card);
    transition: all 0.25s ease;
    border: 1px solid rgba(34, 25, 20, 0.04);
}

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

.related-card img {
    width: 100%;
    height: 150px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

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

.related-card h3 {
    font-size: 16px;
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: 10px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: color 0.2s ease;
}

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

.related-date {
    font-size: 13px;
    color: var(--zd-muted);
}

.related-footer {
    text-align: center;
    margin-top: 36px;
}

/* ===== Footer ===== */
.site-footer {
    background: var(--zd-ink);
    color: #E8DDD2;
    padding: 64px 0 36px;
    margin-top: 80px;
}

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

.footer-brand .brand {
    color: #FFFDF9;
    margin-bottom: 14px;
    font-size: 20px;
}

.footer-brand .brand-icon {
    font-size: 24px;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
    line-height: 1.7;
    max-width: 320px;
}

.footer-title {
    color: #FFFDF9;
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 16px;
    letter-spacing: 0.02em;
}

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

.footer-links li,
.footer-contact li {
    margin-bottom: 10px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
}

.footer-links a {
    transition: all 0.2s ease;
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: 24px;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.45);
    text-align: center;
    letter-spacing: 0.03em;
}

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

@media (max-width: 768px) {
    .site-header {
        background: rgba(251, 247, 240, 0.98);
    }

    .header-inner {
        height: 64px;
    }

    .nav-toggle {
        display: flex;
    }

    .header-cta {
        display: none;
    }

    .brand {
        font-size: 18px;
    }

    .brand-icon {
        font-size: 20px;
    }

    .main-nav {
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: var(--zd-bg);
        flex-direction: column;
        align-items: stretch;
        padding: 16px 20px 24px;
        gap: 4px;
        border-bottom: 1px solid rgba(34, 25, 20, 0.08);
        display: none;
        box-shadow: 0 20px 40px rgba(52, 32, 15, 0.1);
    }

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

    .nav-link {
        padding: 12px 16px;
        border-radius: 12px;
    }

    .nav-cta-mobile {
        display: inline-flex;
        margin-top: 12px;
    }

    .breadcrumb-inner {
        flex-direction: column;
        align-items: flex-start;
        gap: 6px;
        padding-top: 14px;
        padding-bottom: 14px;
    }

    .breadcrumb {
        font-size: 13px;
        flex-wrap: wrap;
    }

    .breadcrumb-current {
        max-width: 220px;
    }

    .article-container {
        padding: 0 16px;
    }

    .article-content {
        padding: 24px 20px;
        font-size: 16px;
    }

    .article-content blockquote {
        padding: 14px 18px;
        font-size: 15px;
    }

    .article-header {
        padding: 24px 20px 24px;
    }

    .article-header h1 {
        font-size: 26px;
        line-height: 1.25;
    }

    .article-meta {
        flex-direction: column;
        gap: 6px;
    }

    .related-section {
        margin-top: 48px;
        padding: 0 16px;
    }

    .related-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .related-card img {
        height: 180px;
    }

    .related-card h3 {
        font-size: 17px;
    }

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

    .site-footer {
        padding: 48px 0 28px;
        margin-top: 56px;
    }
}

@media (max-width: 520px) {
    .brand {
        font-size: 16px;
    }

    .brand-icon {
        font-size: 18px;
    }

    .article-content {
        font-size: 15.5px;
        line-height: 1.75;
        padding: 20px 16px;
    }

    .article-content h2 {
        font-size: 21px;
        margin-top: 32px;
    }

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

    .article-content pre {
        font-size: 13px;
        padding: 16px 18px;
    }

    .related-card img {
        height: 160px;
    }

    .btn {
        padding: 11px 20px;
        font-size: 14px;
    }
}