/* roulang page: index */
:root {
        --primary: #0E3B34;
        --primary-dark: #082B25;
        --accent: #B08D57;
        --accent-soft: rgba(176, 141, 87, 0.12);
        --dark: #1C1A17;
        --cream: #F4F1EB;
        --white: #FFFFFF;
        --success: #2E7D5B;
        --warning: #D97742;
        --text: #1C1A17;
        --text-light: #6B6B66;
        --text-mute: #9A9A94;
        --border: #E5E1D9;
        --radius: 8px;
        --radius-sm: 4px;
        --shadow: 0 2px 8px rgba(14, 59, 52, 0.08);
        --shadow-hover: 0 8px 20px rgba(14, 59, 52, 0.14);
        --font: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
    }
    *,
    *::before,
    *::after {
        box-sizing: border-box;
        margin: 0;
        padding: 0;
    }
    html {
        scroll-behavior: smooth;
    }
    body {
        font-family: var(--font);
        font-size: 16px;
        line-height: 1.75;
        color: var(--text);
        background: var(--cream);
        -webkit-font-smoothing: antialiased;
    }
    img {
        max-width: 100%;
        display: block;
    }
    a {
        color: inherit;
        text-decoration: none;
        transition: color 0.2s ease;
    }
    button {
        font-family: inherit;
        border: none;
        background: none;
        cursor: pointer;
    }
    input,
    textarea {
        font-family: inherit;
    }
    ul {
        list-style: none;
    }
    .container {
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 24px;
    }
    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        font-size: 14px;
        font-weight: 500;
        border-radius: var(--radius-sm);
        padding: 12px 28px;
        transition: background 0.2s, color 0.2s, border-color 0.2s, transform 0.15s;
        line-height: 1.4;
    }
    .btn-primary {
        background: var(--primary);
        color: var(--cream);
        border: 1px solid var(--primary);
    }
    .btn-primary:hover {
        background: var(--primary-dark);
        border-color: var(--primary-dark);
    }
    .btn-primary:active {
        transform: translateY(1px);
    }
    .btn-outline {
        background: transparent;
        color: var(--primary);
        border: 1px solid var(--accent);
    }
    .btn-outline:hover {
        background: var(--accent-soft);
    }
    .btn-outline:active {
        transform: translateY(1px);
    }
    .btn-light {
        background: var(--cream);
        color: var(--primary);
        border: 1px solid var(--cream);
    }
    .btn-light:hover {
        background: var(--white);
    }
    .btn:focus-visible,
    .nav-link:focus-visible,
    a:focus-visible,
    button:focus-visible,
    input:focus-visible,
    textarea:focus-visible,
    .faq-question:focus-visible {
        outline: 2px solid var(--accent);
        outline-offset: 2px;
    }
    .section-padding {
        padding: 64px 0;
    }
    .section-header {
        display: flex;
        align-items: center;
        justify-content: space-between;
        margin-bottom: 36px;
    }
    .section-title {
        font-size: 32px;
        font-weight: 700;
        letter-spacing: 0.02em;
        color: var(--text);
    }
    .section-link {
        font-size: 14px;
        font-weight: 500;
        color: var(--primary);
        display: inline-flex;
        align-items: center;
        gap: 6px;
        transition: color 0.2s;
    }
    .section-link:hover {
        color: var(--accent);
    }
    .section-link:hover .arrow {
        transform: translateX(3px);
    }
    .section-link .arrow {
        transition: transform 0.2s;
    }

    /* ===== Header ===== */
    .site-header {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        z-index: 1000;
        transition: background 0.3s, box-shadow 0.3s;
        background: transparent;
    }
    .site-header.scrolled {
        background: var(--cream);
        box-shadow: 0 1px 0 rgba(14, 59, 52, 0.08);
    }
    .site-header.scrolled .nav-link {
        color: var(--text);
    }
    .site-header.scrolled .logo-text {
        color: var(--primary);
    }
    .header-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: 76px;
    }
    .logo {
        display: flex;
        align-items: center;
        gap: 10px;
    }
    .logo-mark {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 38px;
        height: 38px;
        background: var(--primary);
        color: var(--accent);
        font-size: 16px;
        font-weight: 700;
        border-radius: 4px;
        letter-spacing: 0.5px;
        flex-shrink: 0;
        border: 1px solid rgba(176, 141, 87, 0.4);
    }
    .logo-text {
        font-size: 18px;
        font-weight: 600;
        color: var(--cream);
        letter-spacing: 0.02em;
        white-space: nowrap;
        transition: color 0.3s;
    }
    .nav-list {
        display: flex;
        align-items: center;
        gap: 32px;
    }
    .nav-link {
        font-size: 14px;
        font-weight: 500;
        color: rgba(244, 241, 235, 0.9);
        padding: 8px 0;
        position: relative;
        transition: color 0.2s;
    }
    .site-header.scrolled .nav-link {
        color: var(--text);
    }
    .nav-link:hover {
        color: var(--accent);
    }
    .nav-link.active {
        color: var(--accent);
    }
    .nav-link.active::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 0;
        right: 0;
        height: 2px;
        background: var(--accent);
        border-radius: 2px;
    }
    .header-cta {
        margin-left: 16px;
        padding: 10px 24px;
    }
    .hamburger {
        display: none;
        flex-direction: column;
        gap: 5px;
        width: 44px;
        height: 44px;
        align-items: center;
        justify-content: center;
        border-radius: 4px;
    }
    .hamburger span {
        display: block;
        width: 22px;
        height: 2px;
        background: var(--cream);
        border-radius: 2px;
        transition: background 0.3s, transform 0.3s;
    }
    .site-header.scrolled .hamburger span {
        background: var(--primary);
    }
    .hamburger.open span:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }
    .hamburger.open span:nth-child(2) {
        opacity: 0;
    }
    .hamburger.open span:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }
    .mobile-panel {
        display: none;
        position: fixed;
        top: 76px;
        left: 0;
        right: 0;
        background: var(--cream);
        padding: 24px 24px 40px;
        box-shadow: 0 8px 24px rgba(14, 59, 52, 0.1);
        z-index: 999;
        border-bottom: 1px solid var(--border);
    }
    .mobile-panel.open {
        display: block;
    }
    .mobile-panel .nav-mobile-list li {
        border-bottom: 1px solid var(--border);
    }
    .mobile-panel .nav-mobile-list a {
        display: block;
        font-size: 16px;
        font-weight: 500;
        padding: 14px 4px;
        color: var(--text);
        min-height: 44px;
        display: flex;
        align-items: center;
    }
    .mobile-panel .nav-mobile-list a:hover {
        color: var(--accent);
    }
    .mobile-panel .nav-mobile-list a.active {
        color: var(--accent);
    }
    .mobile-panel .mobile-cta {
        margin-top: 24px;
        width: 100%;
        height: 48px;
    }

    /* ===== Hero ===== */
    .hero {
        background: var(--primary);
        color: var(--cream);
        padding: 140px 0 80px;
        position: relative;
        overflow: hidden;
        background-image: url('/assets/images/backpic/back-1.png');
        background-size: cover;
        background-position: center;
    }
    .hero::before {
        content: '';
        position: absolute;
        inset: 0;
        background: linear-gradient(90deg, rgba(14, 59, 52, 0.96) 0%, rgba(14, 59, 52, 0.88) 45%, rgba(14, 59, 52, 0.6) 100%);
        z-index: 1;
    }
    .hero::after {
        content: '';
        position: absolute;
        right: -100px;
        top: -100px;
        width: 360px;
        height: 360px;
        border: 1px solid rgba(176, 141, 87, 0.3);
        border-radius: 50%;
        z-index: 1;
    }
    .hero-inner {
        position: relative;
        z-index: 2;
        display: flex;
        align-items: center;
        gap: 48px;
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 24px;
    }
    .hero-content {
        flex: 0 0 58.333%;
        max-width: 58.333%;
    }
    .hero-badge {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        font-size: 14px;
        font-weight: 500;
        color: var(--accent);
        border: 1px solid var(--accent);
        border-radius: 20px;
        padding: 5px 16px;
        margin-bottom: 24px;
        letter-spacing: 0.02em;
    }
    .hero h1 {
        font-size: 44px;
        font-weight: 700;
        line-height: 1.25;
        letter-spacing: 0.04em;
        color: var(--cream);
        margin-bottom: 20px;
    }
    .hero-subtitle {
        font-size: 18px;
        line-height: 1.6;
        color: rgba(244, 241, 235, 0.85);
        margin-bottom: 36px;
        letter-spacing: 0.01em;
    }
    .hero-actions {
        display: flex;
        gap: 16px;
        flex-wrap: wrap;
    }
    .hero-data {
        display: flex;
        margin-top: 56px;
        border-top: 1px solid rgba(176, 141, 87, 0.25);
        padding-top: 28px;
        gap: 40px;
    }
    .hero-data-item {
        display: flex;
        flex-direction: column;
        gap: 2px;
    }
    .hero-data-item .data-label {
        font-size: 16px;
        font-weight: 600;
        color: var(--accent);
    }
    .hero-data-item .data-sub {
        font-size: 14px;
        color: rgba(244, 241, 235, 0.7);
    }
    .hero-visual {
        flex: 0 0 41.667%;
        max-width: 41.667%;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    .hero-visual-inner {
        background: rgba(255, 255, 255, 0.06);
        border: 1px solid rgba(176, 141, 87, 0.3);
        border-radius: 12px;
        padding: 24px;
        width: 100%;
        max-width: 400px;
        min-height: 260px;
        display: flex;
        flex-direction: column;
        justify-content: center;
    }
    .hero-visual-item {
        display: flex;
        align-items: center;
        gap: 16px;
        padding: 16px 0;
        border-bottom: 1px solid rgba(176, 141, 87, 0.15);
    }
    .hero-visual-item:last-child {
        border-bottom: none;
    }
    .hero-visual-icon {
        width: 40px;
        height: 40px;
        border-radius: 8px;
        background: var(--accent-soft);
        border: 1px solid rgba(176, 141, 87, 0.3);
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--accent);
        font-size: 18px;
        flex-shrink: 0;
    }
    .hero-visual-item .v-title {
        font-size: 15px;
        font-weight: 600;
        color: var(--cream);
    }
    .hero-visual-item .v-desc {
        font-size: 13px;
        color: rgba(244, 241, 235, 0.7);
        margin-top: 2px;
    }

    /* ===== Pain Points ===== */
    .pain-points {
        background: var(--white);
        border-top: 1px solid var(--border);
        border-bottom: 1px solid var(--border);
        padding: 64px 0;
    }
    .pain-question {
        text-align: center;
        font-size: 20px;
        font-weight: 600;
        color: var(--text);
        margin-bottom: 44px;
        line-height: 1.5;
    }
    .pain-cards {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
    }
    .pain-card {
        background: var(--cream);
        border-top: 4px solid var(--accent);
        border-radius: 0 0 var(--radius) var(--radius);
        padding: 28px 24px;
        box-shadow: var(--shadow);
        transition: box-shadow 0.2s, transform 0.2s;
    }
    .pain-card:hover {
        box-shadow: var(--shadow-hover);
        transform: translateY(-2px);
    }
    .pain-card .num {
        font-size: 14px;
        font-weight: 700;
        color: var(--accent);
        margin-bottom: 12px;
        display: block;
    }
    .pain-card h3 {
        font-size: 18px;
        font-weight: 600;
        margin-bottom: 8px;
        color: var(--text);
    }
    .pain-card p {
        font-size: 14px;
        color: var(--text-light);
        line-height: 1.6;
    }

    /* ===== Solutions ===== */
    .solutions {
        padding: 64px 0;
    }
    .solutions-grid {
        display: grid;
        grid-template-columns: 2fr 1fr;
        gap: 24px;
        align-items: stretch;
    }
    .solution-card {
        background: var(--white);
        border-radius: var(--radius);
        overflow: hidden;
        box-shadow: var(--shadow);
        transition: box-shadow 0.2s;
        display: flex;
        flex-direction: column;
    }
    .solution-card:hover {
        box-shadow: var(--shadow-hover);
    }
    .solution-card.large .solution-img-wrap {
        height: 220px;
        overflow: hidden;
    }
    .solution-card .solution-img-wrap {
        overflow: hidden;
        position: relative;
    }
    .solution-card .solution-img-wrap img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.2s;
    }
    .solution-card:hover .solution-img-wrap img {
        transform: scale(1.02);
    }
    .solution-card .solution-body {
        padding: 24px 24px 20px;
        display: flex;
        flex-direction: column;
        flex: 1;
    }
    .solution-card h3 {
        font-size: 20px;
        font-weight: 600;
        color: var(--text);
        margin-bottom: 10px;
    }
    .solution-card p {
        font-size: 14px;
        color: var(--text-light);
        line-height: 1.65;
        margin-bottom: 16px;
    }
    .solution-link {
        margin-top: auto;
        font-size: 14px;
        font-weight: 500;
        color: var(--primary);
        display: inline-flex;
        align-items: center;
        gap: 4px;
        padding: 4px 0;
        transition: color 0.2s;
    }
    .solution-link:hover {
        color: var(--accent);
    }
    .solution-link .arrow {
        transition: transform 0.2s;
    }
    .solution-link:hover .arrow {
        transform: translateX(4px);
    }
    .solution-stack {
        display: flex;
        flex-direction: column;
        gap: 24px;
    }
    .solution-stack .solution-card .solution-img-wrap {
        height: 140px;
    }
    .solution-stack .solution-card .solution-body {
        padding: 18px 20px;
    }
    .solution-stack .solution-card h3 {
        font-size: 17px;
        margin-bottom: 6px;
    }
    .solution-stack .solution-card p {
        margin-bottom: 10px;
        font-size: 13px;
    }

    /* ===== Stats ===== */
    .stats {
        background: var(--primary);
        color: var(--cream);
        padding: 56px 0;
        position: relative;
        overflow: hidden;
    }
    .stats::before {
        content: '';
        position: absolute;
        left: -80px;
        bottom: -80px;
        width: 280px;
        height: 280px;
        border: 1px solid rgba(176, 141, 87, 0.2);
        border-radius: 50%;
    }
    .stats-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 0;
        position: relative;
        z-index: 2;
    }
    .stat-item {
        text-align: center;
        padding: 12px 24px;
        border-right: 1px solid rgba(176, 141, 87, 0.3);
    }
    .stat-item:last-child {
        border-right: none;
    }
    .stat-num {
        font-size: 40px;
        font-weight: 700;
        color: var(--accent);
        line-height: 1.2;
        display: block;
        margin-bottom: 8px;
    }
    .stat-label {
        font-size: 14px;
        color: rgba(244, 241, 235, 0.8);
    }

    /* ===== News ===== */
    .news-section {
        padding: 64px 0;
    }
    .news-list {
        display: flex;
        flex-direction: column;
        gap: 16px;
    }
    .news-card {
        background: var(--white);
        border-radius: var(--radius);
        box-shadow: var(--shadow);
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 20px 24px;
        transition: box-shadow 0.2s, transform 0.2s;
        gap: 20px;
    }
    .news-card:hover {
        box-shadow: var(--shadow-hover);
        transform: translateY(-2px);
    }
    .news-info {
        flex: 1;
        min-width: 0;
    }
    .news-cat {
        display: inline-block;
        font-size: 12px;
        font-weight: 600;
        color: var(--accent);
        background: var(--accent-soft);
        border-radius: 4px;
        padding: 3px 10px;
        margin-bottom: 8px;
        letter-spacing: 0.02em;
    }
    .news-title {
        font-size: 18px;
        font-weight: 600;
        color: var(--text);
        margin-bottom: 6px;
        line-height: 1.4;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    .news-excerpt {
        font-size: 14px;
        color: var(--text-light);
        line-height: 1.6;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
        margin-bottom: 8px;
    }
    .news-meta {
        font-size: 13px;
        color: var(--text-mute);
    }
    .news-thumb {
        width: 100px;
        height: 100px;
        border-radius: 4px;
        overflow: hidden;
        flex-shrink: 0;
    }
    .news-thumb img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }
    .empty-tip {
        text-align: center;
        padding: 48px 20px;
        color: var(--text-light);
        background: var(--white);
        border-radius: var(--radius);
        box-shadow: var(--shadow);
        font-size: 15px;
    }

    /* ===== FAQ ===== */
    .faq-section {
        padding: 64px 0;
        background: var(--white);
        border-top: 1px solid var(--border);
        border-bottom: 1px solid var(--border);
    }
    .faq-list {
        max-width: 760px;
        margin: 0 auto;
    }
    .faq-item {
        border-bottom: 1px solid var(--border);
        padding: 8px 0;
    }
    .faq-item:last-child {
        border-bottom: none;
    }
    .faq-question {
        width: 100%;
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 16px 0;
        font-size: 16px;
        font-weight: 600;
        color: var(--text);
        text-align: left;
        gap: 16px;
    }
    .faq-question:hover {
        color: var(--primary);
    }
    .faq-icon {
        width: 28px;
        height: 28px;
        border-radius: 50%;
        background: var(--accent-soft);
        border: 1px solid var(--accent);
        color: var(--accent);
        font-size: 16px;
        font-weight: 400;
        display: flex;
        align-items: center;
        justify-content: center;
        flex-shrink: 0;
        transition: transform 0.3s, background 0.2s;
    }
    .faq-item.open .faq-icon {
        transform: rotate(45deg);
        background: var(--accent);
        color: var(--cream);
    }
    .faq-answer {
        padding: 0 24px 16px 0;
        font-size: 15px;
        line-height: 1.6;
        color: var(--text-light);
        display: none;
    }
    .faq-item.open .faq-answer {
        display: block;
    }

    /* ===== CTA Band ===== */
    .cta-band {
        padding: 64px 0;
        text-align: center;
    }
    .cta-inner {
        max-width: 720px;
        margin: 0 auto;
    }
    .cta-title {
        font-size: 32px;
        font-weight: 700;
        color: var(--text);
        margin-bottom: 12px;
        letter-spacing: 0.02em;
    }
    .cta-desc {
        font-size: 16px;
        color: var(--text-light);
        margin-bottom: 32px;
    }
    .cta-actions {
        display: flex;
        gap: 16px;
        justify-content: center;
        flex-wrap: wrap;
    }

    /* ===== Footer ===== */
    .site-footer {
        background: var(--dark);
        color: rgba(244, 241, 235, 0.8);
        padding: 56px 0 0;
    }
    .footer-grid {
        display: grid;
        grid-template-columns: 1.5fr 1fr 1.2fr 1fr;
        gap: 40px;
        padding-bottom: 40px;
        border-bottom: 1px solid rgba(244, 241, 235, 0.08);
    }
    .footer-brand .logo-text {
        color: var(--cream);
        font-size: 18px;
        display: block;
        margin-bottom: 12px;
    }
    .footer-brand p {
        font-size: 14px;
        line-height: 1.7;
        color: rgba(244, 241, 235, 0.7);
        max-width: 280px;
    }
    .footer-col h4 {
        font-size: 15px;
        font-weight: 600;
        color: var(--cream);
        margin-bottom: 16px;
    }
    .footer-col ul li {
        margin-bottom: 10px;
    }
    .footer-col ul a {
        font-size: 14px;
        color: rgba(244, 241, 235, 0.7);
        transition: color 0.2s;
    }
    .footer-col ul a:hover {
        color: var(--accent);
    }
    .footer-contact {
        font-size: 14px;
        line-height: 2;
        color: rgba(244, 241, 235, 0.7);
        word-break: break-all;
    }
    .footer-bottom {
        padding: 20px 0;
        text-align: center;
        font-size: 13px;
        color: rgba(244, 241, 235, 0.5);
    }

    /* ===== Modal ===== */
    .modal-overlay {
        position: fixed;
        inset: 0;
        background: rgba(14, 59, 52, 0.6);
        z-index: 2000;
        display: flex;
        align-items: center;
        justify-content: center;
        opacity: 0;
        visibility: hidden;
        transition: opacity 0.3s, visibility 0.3s;
        padding: 24px;
    }
    .modal-overlay.active {
        opacity: 1;
        visibility: visible;
    }
    .modal-dialog {
        background: var(--white);
        width: 100%;
        max-width: 480px;
        border-radius: var(--radius);
        box-shadow: 0 16px 40px rgba(14, 59, 52, 0.2);
        position: relative;
        transform: translateY(20px);
        transition: transform 0.3s;
        max-height: calc(100vh - 40px);
        overflow-y: auto;
    }
    .modal-overlay.active .modal-dialog {
        transform: translateY(0);
    }
    .modal-topline {
        width: 40px;
        height: 4px;
        background: var(--accent);
        border-radius: 2px;
        margin: 0 auto 20px;
    }
    .modal-close {
        position: absolute;
        top: 14px;
        right: 14px;
        width: 36px;
        height: 36px;
        border-radius: 50%;
        font-size: 18px;
        color: var(--text-light);
        display: flex;
        align-items: center;
        justify-content: center;
        transition: background 0.2s;
    }
    .modal-close:hover {
        background: var(--cream);
    }
    .modal-body {
        padding: 24px 32px 32px;
    }
    .modal-body h2 {
        font-size: 22px;
        font-weight: 700;
        color: var(--text);
        margin-bottom: 8px;
    }
    .modal-body .modal-desc {
        font-size: 14px;
        color: var(--text-light);
        margin-bottom: 24px;
    }
    .form-group {
        margin-bottom: 20px;
    }
    .form-group label {
        display: block;
        font-size: 14px;
        font-weight: 500;
        color: var(--text);
        margin-bottom: 8px;
    }
    .form-group label .req {
        color: var(--warning);
    }
    .form-input {
        width: 100%;
        height: 44px;
        border: 1px solid #DDD;
        border-radius: 4px;
        padding: 0 14px;
        font-size: 16px;
        color: var(--text);
        transition: border-color 0.2s, box-shadow 0.2s;
    }
    .form-input:focus {
        border-color: var(--accent);
        box-shadow: 0 0 0 3px rgba(176, 141, 87, 0.2);
        outline: none;
    }
    textarea.form-input {
        height: 100px;
        padding: 12px 14px;
        resize: vertical;
    }
    .form-submit {
        width: 100%;
        height: 48px;
        margin-top: 8px;
    }
    .form-note {
        text-align: center;
        font-size: 13px;
        color: var(--text-mute);
        margin-top: 16px;
    }
    .privacy-bar {
        background: var(--cream);
        text-align: center;
        font-size: 13px;
        color: var(--text-light);
        padding: 12px 16px;
        border-top: 1px solid var(--border);
        line-height: 1.6;
    }

    /* ===== Responsive ===== */
    @media (max-width: 992px) {
        .hero {
            padding: 120px 0 60px;
        }
        .hero-inner {
            flex-direction: column;
            gap: 24px;
        }
        .hero-content {
            flex: 0 0 100%;
            max-width: 100%;
        }
        .hero-visual {
            flex: 0 0 100%;
            max-width: 100%;
            margin-top: 8px;
        }
        .solutions-grid {
            grid-template-columns: 1fr 1fr;
        }
        .solution-card.large {
            grid-column: 1 / -1;
        }
        .solution-stack {
            flex-direction: row;
        }
        .solution-stack .solution-card {
            flex: 1;
        }
        .stats-grid {
            grid-template-columns: repeat(2, 1fr);
            gap: 24px 0;
        }
        .stat-item {
            border: none;
            border-right: 1px solid rgba(176, 141, 87, 0.3);
        }
        .stat-item:nth-child(2) {
            border-right: none;
        }
        .footer-grid {
            grid-template-columns: 1fr 1fr;
        }
    }
    @media (max-width: 768px) {
        .section-padding {
            padding: 40px 0;
        }
        .header-inner {
            height: 64px;
        }
        .nav-list {
            display: none;
        }
        .header-cta {
            display: none;
        }
        .hamburger {
            display: flex;
        }
        .section-title {
            font-size: 26px;
        }
        .hero {
            padding: 100px 0 50px;
        }
        .hero h1 {
            font-size: 28px;
        }
        .hero-subtitle {
            font-size: 16px;
        }
        .hero-data {
            flex-wrap: wrap;
            gap: 16px 32px;
        }
        .pain-cards {
            grid-template-columns: 1fr;
        }
        .solutions-grid {
            grid-template-columns: 1fr;
        }
        .solution-stack {
            flex-direction: column;
        }
        .solution-card.large {
            grid-column: auto;
        }
        .news-card {
            flex-direction: column;
            align-items: flex-start;
            padding: 16px;
        }
        .news-thumb {
            width: 100%;
            height: 160px;
        }
        .news-title {
            white-space: normal;
        }
        .stats-grid {
            grid-template-columns: repeat(2, 1fr);
        }
        .stat-num {
            font-size: 30px;
        }
        .footer-grid {
            grid-template-columns: 1fr;
            gap: 28px;
        }
        .modal-dialog {
            border-radius: 12px 12px 0 0;
            max-height: calc(100vh - 60px);
        }
        .modal-overlay {
            align-items: flex-end;
            padding: 0;
        }
        .modal-body {
            padding: 20px 24px 28px;
        }
        .cta-title {
            font-size: 26px;
        }
        .faq-question {
            font-size: 15px;
        }
        .section-header {
            flex-direction: column;
            align-items: flex-start;
            gap: 12px;
        }
    }
    @media (max-width: 520px) {
        .container {
            padding: 0 16px;
        }
        .hero-actions {
            flex-direction: column;
            width: 100%;
        }
        .hero-actions .btn {
            width: 100%;
        }
        .cta-actions {
            flex-direction: column;
            width: 100%;
        }
        .cta-actions .btn {
            width: 100%;
        }
        .stat-item {
            padding: 8px 12px;
        }
        .stat-num {
            font-size: 26px;
        }
        .stat-label {
            font-size: 13px;
        }
    }

/* roulang page: category1 */
:root {
            --primary: #0E3B34;
            --primary-dark: #082B25;
            --accent: #B08D57;
            --accent-light: rgba(176, 141, 87, 0.1);
            --black: #1C1A17;
            --cream: #F4F1EB;
            --white: #FFFFFF;
            --success: #2E7D5B;
            --warning: #D97742;
            --text: #1C1A17;
            --text-light: #5A6B66;
            --text-lighter: #8A9792;
            --border: #E5E0D8;
            --radius: 8px;
            --radius-sm: 4px;
            --shadow: 0 2px 8px rgba(14, 59, 52, 0.08);
            --shadow-hover: 0 8px 20px rgba(14, 59, 52, 0.14);
            --spacing: 64px;
            --spacing-mobile: 40px;
            --container: 1200px;
            --font: 'PingFang SC', 'Microsoft YaHei', sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text);
            background: var(--cream);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            text-decoration: none;
            color: var(--primary);
            transition: color 0.2s ease;
        }

        img {
            max-width: 100%;
            display: block;
            border-radius: var(--radius-sm);
        }

        button {
            font-family: var(--font);
            cursor: pointer;
            border: none;
            background: none;
        }

        input, textarea {
            font-family: var(--font);
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 500;
            line-height: 1.4;
            transition: all 0.2s ease;
            border: 1px solid transparent;
        }

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

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

        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-1px);
        }

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

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

        .btn-outline:hover {
            background: var(--accent-light);
            border-color: var(--accent);
        }

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

        .btn-text {
            padding: 0;
            color: var(--primary);
            font-size: 14px;
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .btn-text:hover {
            color: var(--accent);
        }

        .btn-text .arrow {
            transition: transform 0.2s ease;
        }

        .btn-text:hover .arrow {
            transform: translateX(4px);
        }

        /* Header */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: var(--white);
            border-bottom: 0.5px solid rgba(0, 0, 0, 0.1);
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.02);
            padding: 14px 0;
            transition: all 0.3s ease;
        }

        .site-header.scrolled {
            background: var(--white);
            box-shadow: var(--shadow);
        }

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

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

        .logo-mark {
            background: var(--primary);
            color: var(--accent);
            font-size: 16px;
            font-weight: 700;
            padding: 5px 10px;
            border-radius: 4px;
            letter-spacing: 0.02em;
            line-height: 1.2;
        }

        .logo-text {
            font-size: 18px;
            font-weight: 600;
            color: var(--text);
            letter-spacing: 0.01em;
            white-space: nowrap;
        }

        .nav-list {
            display: flex;
            list-style: none;
            gap: 36px;
            margin: 0;
            padding: 0;
        }

        .nav-link {
            font-size: 14px;
            font-weight: 500;
            color: var(--text);
            padding: 6px 0;
            position: relative;
        }

        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent);
            transition: width 0.25s ease;
        }

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

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

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

        .header-cta {
            flex-shrink: 0;
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            width: 44px;
            height: 44px;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            background: var(--white);
            z-index: 1001;
        }

        .hamburger span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--text);
            transition: all 0.3s ease;
        }

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

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

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

        /* Mobile nav */
        .mobile-nav {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--cream);
            z-index: 999;
            padding: 100px 24px 40px;
            flex-direction: column;
            overflow-y: auto;
        }

        .mobile-nav.active {
            display: flex;
        }

        .mobile-nav .m-nav-list {
            list-style: none;
            margin-bottom: 32px;
        }

        .mobile-nav .m-nav-link {
            display: block;
            font-size: 18px;
            font-weight: 500;
            color: var(--text);
            padding: 16px 0;
            border-bottom: 1px solid var(--border);
        }

        .mobile-nav .m-nav-link.active {
            color: var(--accent);
        }

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

        /* Page hero (category page) */
        .page-hero {
            background: var(--cream);
            padding: 120px 0 80px;
            position: relative;
            overflow: hidden;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            top: -100px;
            right: -100px;
            width: 300px;
            height: 300px;
            border: 2px solid rgba(176, 141, 87, 0.2);
            border-radius: 50%;
        }

        .page-hero::after {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 180px;
            height: 180px;
            border: 1px solid rgba(176, 141, 87, 0.15);
            border-radius: 50%;
        }

        .page-hero-inner {
            position: relative;
            z-index: 1;
            max-width: 800px;
        }

        .page-hero .tag {
            display: inline-block;
            font-size: 14px;
            font-weight: 500;
            color: var(--primary);
            background: var(--accent-light);
            border: 1px solid var(--accent);
            padding: 6px 14px;
            border-radius: 20px;
            margin-bottom: 20px;
            letter-spacing: 0.02em;
        }

        .page-hero h1 {
            font-size: 32px;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 16px;
            color: var(--text);
        }

        .page-hero .page-subtitle {
            font-size: 16px;
            color: var(--text-plight);
            max-width: 640px;
        }

        /* Section styles */
        .section {
            padding: var(--spacing) 0;
        }

        .section-cream {
            background: var(--cream);
        }

        .section-white {
            background: var(--white);
        }

        .section-dark {
            background: var(--primary);
            color: var(--cream);
        }

        .section-header {
            margin-bottom: 40px;
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
        }

        .section-header h2 {
            font-size: 32px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text);
            letter-spacing: 0.02em;
            margin-bottom: 0;
        }

        .section-header .desc {
            font-size: 14px;
            color: var(--text-lighter);
            max-width: 320px;
            line-height: 1.6;
        }

        .section-title-centered {
            text-align: center;
            margin-bottom: 40px;
        }

        .section-title-centered h2 {
            font-size: 32px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 12px;
        }

        .section-title-centered p {
            font-size: 14px;
            color: var(--text-lighter);
            max-width: 480px;
            margin: 0 auto;
        }

        /* Category intro cards */
        .cat-intro-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-bottom: 40px;
        }

        .cat-intro-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 32px 24px;
            transition: box-shadow 0.2s ease;
        }

        .cat-intro-card:hover {
            box-shadow: var(--shadow-hover);
        }

        .cat-intro-card .icon-circle {
            width: 48px;
            height: 48px;
            background: var(--accent-light);
            border: 1px solid var(--accent);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: 20px;
            color: var(--primary);
        }

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

        .cat-intro-card p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.65;
            margin: 0;
        }

        /* Feature highlight band */
        .highlight-band {
            background: var(--primary);
            border-radius: var(--radius);
            padding: 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
            color: var(--cream);
            position: relative;
            overflow: hidden;
        }

        .highlight-band::after {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 160px;
            height: 160px;
            border: 1px solid rgba(176, 141, 87, 0.3);
            border-radius: 50%;
        }

        .highlight-band .highlight-content {
            flex: 1;
            min-width: 280px;
        }

        .highlight-band .highlight-content h3 {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .highlight-band .highlight-content p {
            font-size: 14px;
            color: rgba(244, 241, 235, 0.8);
        }

        .highlight-band .btn-outline {
            color: var(--cream);
            border-color: var(--accent);
            white-space: nowrap;
        }

        .highlight-band .btn-outline:hover {
            background: rgba(176, 141, 87, 0.2);
        }

        /* Steps / flow */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            counter-reset: step;
        }

        .step-item {
            position: relative;
            padding-top: 56px;
            text-align: center;
        }

        .step-item::before {
            counter-increment: step;
            content: counter(step, decimal-leading-zero);
            font-size: 48px;
            font-weight: 700;
            color: rgba(176, 141, 87, 0.15);
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            line-height: 1;
        }

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

        .step-item p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.6;
        }

        .step-item .step-line {
            position: absolute;
            top: 32px;
            right: -12px;
            width: 24px;
            height: 1px;
            background: var(--accent);
            opacity: 0.4;
        }

        .step-item:last-child .step-line {
            display: none;
        }

        /* FAQ */
        .faq-wrap {
            max-width: 820px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            margin-bottom: 12px;
            overflow: hidden;
        }

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

        .faq-q {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 24px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            transition: color 0.2s;
        }

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

        .faq-icon {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: var(--accent-light);
            border: 1px solid var(--accent);
            color: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            flex-shrink: 0;
            transition: transform 0.3s ease;
        }

        .faq-item.active .faq-icon {
            transform: rotate(45deg);
        }

        .faq-a {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
            padding: 0 24px;
            font-size: 15px;
            color: #666;
            line-height: 1.6;
        }

        .faq-item.active .faq-a {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        /* CTA band */
        .cta-section {
            background: var(--primary);
            color: var(--cream);
            padding: 80px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -80px;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            border: 1px solid rgba(176, 141, 87, 0.25);
        }

        .cta-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        .cta-inner h2 {
            font-size: 32px;
            font-weight: 700;
            color: var(--cream);
            margin-bottom: 8px;
        }

        .cta-inner p {
            font-size: 15px;
            color: rgba(244, 241, 235, 0.75);
        }

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

        /* Modal */
        .modal-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(14, 59, 52, 0.6);
            z-index: 2000;
            align-items: center;
            justify-content: center;
            padding: 16px;
        }

        .modal-overlay.active {
            display: flex;
        }

        .modal-box {
            background: var(--white);
            border-radius: var(--radius);
            width: 480px;
            max-width: 100%;
            position: relative;
            box-shadow: 0 16px 40px rgba(0, 0, 0, 0.2);
        }

        .modal-top {
            height: 4px;
            background: var(--accent);
            border-radius: var(--radius) var(--radius) 0 0;
        }

        .modal-body {
            padding: 32px;
        }

        .modal-body h2 {
            font-size: 22px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
        }

        .modal-body .modal-desc {
            font-size: 14px;
            color: var(--text-light);
            margin-bottom: 24px;
            line-height: 1.6;
        }

        .modal-close {
            position: absolute;
            top: 16px;
            right: 16px;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--cream);
            border: 1px solid var(--border);
            font-size: 18px;
            color: var(--text-light);
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.2s;
        }

        .modal-close:hover {
            color: var(--warning);
            border-color: var(--warning);
        }

        .form-group {
            margin-bottom: 20px;
        }

        .form-group label {
            display: block;
            font-size: 14px;
            font-weight: 500;
            color: var(--text);
            margin-bottom: 6px;
        }

        .form-group input,
        .form-group textarea {
            width: 100%;
            padding: 12px 14px;
            border: 1px solid #DDD;
            border-radius: var(--radius-sm);
            font-size: 16px;
            transition: border-color 0.2s, box-shadow 0.2s;
            background: var(--white);
        }

        .form-group input:focus,
        .form-group textarea:focus {
            outline: none;
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(176, 141, 87, 0.2);
        }

        .form-group input.error,
        .form-group textarea.error {
            border-color: var(--warning);
        }

        .form-err {
            color: var(--warning);
            font-size: 13px;
            margin-top: 4px;
            display: none;
        }

        .form-group.has-error .form-err {
            display: block;
        }

        .modal-submit {
            width: 100%;
            margin-top: 8px;
        }

        .modal-privacy {
            font-size: 14px;
            color: var(--text-lighter);
            text-align: center;
            margin-top: 16px;
            line-height: 1.6;
        }

        /* Footer */
        .site-footer {
            background: var(--black);
            color: rgba(244, 241, 235, 0.7);
            padding: 64px 0 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 0.8fr 0.9fr 0.9fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(244, 241, 235, 0.6);
            margin-bottom: 16px;
        }

        .footer-col h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--cream);
            margin-bottom: 16px;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
        }

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

        .footer-col ul li a {
            color: rgba(244, 241, 235, 0.65);
            font-size: 14px;
            transition: color 0.2s;
        }

        .footer-col ul li a:hover {
            color: var(--accent);
        }

        .footer-contact {
            font-size: 14px;
            color: rgba(244, 241, 235, 0.6);
            line-height: 1.9;
        }

        .footer-contact a {
            color: rgba(244, 241, 235, 0.7);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(244, 241, 235, 0.1);
            padding-top: 24px;
            font-size: 14px;
            color: rgba(244, 241, 235, 0.45);
            text-align: center;
        }

        /* Back to home */
        .back-home {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            margin-top: 24px;
            font-size: 14px;
            color: var(--primary);
            font-weight: 500;
        }

        .back-home:hover {
            color: var(--accent);
        }

        .back-home .arrow {
            transition: transform 0.2s;
        }

        .back-home:hover .arrow {
            transform: translateX(-4px);
        }

        /* Responsive */
        @media (max-width: 992px) {
            .section {
                padding: var(--spacing-mobile) 0;
            }

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

            .cat-intro-grid {
                grid-template-columns: 1fr;
            }

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

            .step-line {
                display: none;
            }

            .nav-list {
                display: none;
            }

            .hamburger {
                display: flex;
            }

            .header-cta {
                display: none;
            }
        }

        @media (max-width: 640px) {
            .container {
                padding: 0 16px;
            }

            .section-header h2,
            .section-title-centered h2 {
                font-size: 24px;
            }

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

            .highlight-band {
                padding: 24px;
            }

            .modal-body {
                padding: 24px;
            }

            .step-item {
                padding-top: 48px;
            }

            .page-hero h1 {
                font-size: 26px;
            }

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

/* roulang page: article */
:root {
            --primary: #0E3B34;
            --primary-dark: #082B25;
            --accent: #B08D57;
            --accent-light: rgba(176, 141, 87, 0.12);
            --dark: #1C1A17;
            --cream: #F4F1EB;
            --white: #FFFFFF;
            --success: #2E7D5B;
            --warning: #D97742;
            --text: #2A2A28;
            --text-light: #6B6B67;
            --border: #E4E0D8;
            --shadow-sm: 0 2px 8px rgba(14, 59, 52, 0.08);
            --shadow-lg: 0 8px 20px rgba(14, 59, 52, 0.14);
            --radius-lg: 8px;
            --radius-sm: 4px;
            --container: 1200px;
            --space: 64px;
            --font: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
        }

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

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

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

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

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.2s ease, background-color 0.2s ease, opacity 0.2s ease;
        }

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

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        ul,
        ol {
            list-style: none;
        }

        button {
            font-family: var(--font);
            border: none;
            background: none;
            cursor: pointer;
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 500;
            line-height: 1;
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, transform 0.15s ease;
            border: 1px solid transparent;
        }

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

        .btn-primary:hover {
            background: var(--primary-dark);
            color: var(--cream);
            border-color: var(--primary-dark);
            box-shadow: 0 4px 14px rgba(14, 59, 52, 0.2);
        }

        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: none;
        }

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

        .btn-outline:hover {
            background: var(--accent-light);
            color: var(--primary-dark);
            border-color: var(--accent);
        }

        .btn-block {
            width: 100%;
        }

        .btn-lg {
            padding: 14px 32px;
            font-size: 15px;
        }

        .section {
            padding: var(--space) 0;
        }

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

        .section-heading {
            font-size: 32px;
            font-weight: 700;
            letter-spacing: 0.02em;
            margin-bottom: 16px;
            color: var(--primary);
        }

        .section-desc {
            font-size: 16px;
            color: var(--text-light);
            max-width: 720px;
            line-height: 1.75;
            margin-bottom: 32px;
        }

        /* ===== Header ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.96);
            border-bottom: 1px solid rgba(14, 59, 52, 0.08);
            backdrop-filter: blur(8px);
        }

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

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

        .logo-mark {
            width: 38px;
            height: 38px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--primary);
            color: var(--accent);
            font-size: 14px;
            font-weight: 700;
            border-radius: 4px;
            letter-spacing: 0.06em;
        }

        .logo-text {
            font-size: 18px;
            font-weight: 600;
            color: var(--primary);
            white-space: nowrap;
        }

        .nav-list {
            display: flex;
            align-items: center;
            gap: 32px;
            margin-left: auto;
        }

        .nav-link {
            font-size: 14px;
            font-weight: 500;
            color: var(--text);
            padding: 8px 2px;
            position: relative;
            line-height: 1.4;
        }

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

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

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

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

        .header-cta {
            flex-shrink: 0;
        }

        .nav-cta-item {
            display: none;
        }

        .hamburger {
            display: none;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            width: 44px;
            height: 44px;
            border-radius: 4px;
            flex-shrink: 0;
            transition: background-color 0.2s ease;
        }

        .hamburger:hover {
            background: var(--accent-light);
        }

        .hamburger span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transition: transform 0.25s ease, opacity 0.25s ease;
            margin: 0 auto;
        }

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

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

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

        /* ===== Breadcrumb ===== */
        .breadcrumb-bar {
            background: var(--white);
            border-bottom: 1px solid var(--border);
            padding: 16px 0;
            font-size: 14px;
            color: var(--text-light);
        }

        .breadcrumb-bar .container {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
        }

        .breadcrumb-bar a {
            color: var(--text-light);
        }

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

        .breadcrumb-sep {
            color: var(--border);
        }

        .breadcrumb-current {
            color: var(--text);
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
            max-width: 400px;
        }

        /* ===== Article page ===== */
        .article-page {
            padding: 56px 0 var(--space);
        }

        .article-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            padding: 48px;
            max-width: 960px;
            margin: 0 auto;
            border-top: 4px solid var(--accent);
        }

        .article-cover {
            border-radius: var(--radius-sm);
            overflow: hidden;
            margin-bottom: 32px;
        }

        .article-cover img {
            width: 100%;
            height: auto;
            object-fit: cover;
            border-radius: var(--radius-sm);
        }

        .article-category {
            display: inline-block;
            font-size: 14px;
            font-weight: 500;
            color: var(--accent);
            background: var(--accent-light);
            padding: 4px 12px;
            border-radius: 999px;
            margin-bottom: 16px;
        }

        .article-card h1 {
            font-size: 36px;
            font-weight: 700;
            line-height: 1.35;
            color: var(--primary);
            margin-bottom: 16px;
            letter-spacing: 0.01em;
        }

        .article-meta {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
            padding-bottom: 24px;
            margin-bottom: 32px;
            border-bottom: 1px solid var(--border);
            font-size: 14px;
            color: var(--text-light);
        }

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

        .meta-item svg {
            width: 15px;
            height: 15px;
            fill: none;
            stroke: var(--accent);
            stroke-width: 2;
            stroke-linecap: round;
            stroke-linejoin: round;
        }

        .article-body {
            max-width: 720px;
        }

        .article-empty {
            text-align: center;
            padding: 80px 24px;
        }

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

        .article-body p {
            font-size: 17px;
            line-height: 1.9;
            color: #333;
            margin-bottom: 24px;
        }

        .article-body h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--primary);
            margin: 36px 0 16px;
            line-height: 1.4;
        }

        .article-body h3 {
            font-size: 20px;
            font-weight: 600;
            color: var(--primary);
            margin: 28px 0 12px;
            line-height: 1.4;
        }

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

        .article-body ul {
            margin: 0 0 24px 20px;
            list-style: disc;
        }

        .article-body ol {
            margin: 0 0 24px 20px;
            list-style: decimal;
        }

        .article-body li {
            font-size: 17px;
            line-height: 1.9;
            color: #333;
            margin-bottom: 8px;
        }

        .article-body img {
            width: 100%;
            border-radius: var(--radius-lg);
            margin: 24px 0;
        }

        .article-body blockquote {
            border-left: 4px solid var(--accent);
            background: var(--cream);
            padding: 18px 22px;
            margin: 24px 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-light);
            font-size: 16px;
            line-height: 1.8;
        }

        .article-body blockquote p {
            margin-bottom: 0;
            color: var(--text-light);
            font-size: 16px;
        }

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

        .article-body table th,
        .article-body table td {
            border: 1px solid var(--border);
            padding: 10px 14px;
            text-align: left;
        }

        .article-body table th {
            background: var(--primary);
            color: var(--cream);
            font-weight: 500;
        }

        .article-body tr:nth-child(even) td {
            background: rgba(244, 241, 235, 0.5);
        }

        .article-body a {
            color: var(--accent);
            text-decoration: underline;
            text-underline-offset: 2px;
        }

        .article-body a:hover {
            color: var(--primary);
        }

        .article-actions {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            margin-top: 40px;
            padding-top: 24px;
            border-top: 1px solid var(--border);
        }

        .back-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 500;
            color: var(--primary);
        }

        .back-link svg {
            width: 15px;
            height: 15px;
            stroke: currentColor;
            stroke-width: 2;
            fill: none;
            stroke-linecap: round;
            stroke-linejoin: round;
        }

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

        .share-actions {
            display: flex;
            align-items: center;
            gap: 20px;
        }

        .share-actions a {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-light);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: color 0.2s ease;
        }

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

        /* ===== Related ===== */
        .related-section {
            background: var(--white);
            padding: var(--space) 0;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .related-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 32px;
        }

        .related-header h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--primary);
        }

        .related-more {
            font-size: 14px;
            font-weight: 500;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .related-more:after {
            content: "→";
            transition: transform 0.2s ease;
        }

        .related-more:hover:after {
            transform: translateX(4px);
        }

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

        .related-card {
            display: flex;
            align-items: center;
            gap: 16px;
            background: var(--cream);
            border-radius: var(--radius-lg);
            padding: 16px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: box-shadow 0.25s ease, transform 0.25s ease, border-color 0.25s ease;
        }

        .related-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--accent);
        }

        .related-thumb {
            width: 100px;
            height: 100px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            flex-shrink: 0;
        }

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

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

        .related-info h3 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            line-height: 1.5;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .related-card:hover .related-info h3 {
            color: var(--accent);
        }

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

        /* ===== CTA band ===== */
        .cta-band {
            background: var(--primary);
            padding: 48px 0;
        }

        .cta-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
        }

        .cta-inner p {
            font-size: 20px;
            font-weight: 600;
            color: var(--cream);
            line-height: 1.5;
        }

        .cta-inner .btn-outline {
            border-color: var(--accent);
            color: var(--cream);
            background: transparent;
        }

        .cta-inner .btn-outline:hover {
            background: rgba(176, 141, 87, 0.15);
            color: var(--cream);
        }

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

        .faq-container {
            max-width: 860px;
            margin: 0 auto;
        }

        .faq-heading {
            text-align: center;
            margin-bottom: 40px;
        }

        .faq-heading h2 {
            font-size: 32px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 12px;
        }

        .faq-heading p {
            font-size: 16px;
            color: var(--text-light);
        }

        .faq-list {
            border-top: 1px solid var(--border);
        }

        .faq-item {
            border-bottom: 1px solid var(--border);
            background: var(--white);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 24px;
            text-align: left;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            background: transparent;
            transition: color 0.2s ease, background-color 0.2s ease;
        }

        .faq-question:hover {
            color: var(--accent);
            background: rgba(244, 241, 235, 0.5);
        }

        .faq-icon {
            position: relative;
            width: 22px;
            height: 22px;
            border-radius: 50%;
            background: var(--accent-light);
            flex-shrink: 0;
            transition: background-color 0.2s ease, transform 0.25s ease;
        }

        .faq-icon:before,
        .faq-icon:after {
            content: "";
            position: absolute;
            top: 50%;
            left: 50%;
            width: 10px;
            height: 2px;
            background: var(--accent);
            transform: translate(-50%, -50%);
            border-radius: 1px;
        }

        .faq-icon:after {
            transform: translate(-50%, -50%) rotate(90deg);
            transition: transform 0.25s ease;
        }

        .faq-item.open .faq-icon {
            background: var(--accent);
        }

        .faq-item.open .faq-icon:before,
        .faq-item.open .faq-icon:after {
            background: var(--white);
        }

        .faq-item.open .faq-icon:after {
            transform: translate(-50%, -50%) rotate(0deg);
        }

        .faq-answer {
            display: none;
            padding: 0 24px 20px;
            font-size: 15px;
            line-height: 1.7;
            color: var(--text-light);
        }

        .faq-answer p {
            margin-bottom: 12px;
        }

        .faq-answer p:last-child {
            margin-bottom: 0;
        }

        .faq-item.open .faq-answer {
            display: block;
        }

        /* ===== Modal ===== */
        .modal-overlay {
            position: fixed;
            inset: 0;
            z-index: 1000;
            background: rgba(14, 59, 52, 0.6);
            display: none;
            align-items: center;
            justify-content: center;
            padding: 24px;
        }

        .modal-overlay.active {
            display: flex;
        }

        .modal-box {
            position: relative;
            background: var(--white);
            border-radius: var(--radius-lg);
            max-width: 480px;
            width: 100%;
            padding: 36px;
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.2);
            border-top: 4px solid var(--accent);
        }

        .modal-close {
            position: absolute;
            top: 16px;
            right: 16px;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--text-light);
            background: var(--cream);
            transition: background-color 0.2s ease, color 0.2s ease, transform 0.15s ease;
            line-height: 1;
        }

        .modal-close:hover {
            background: var(--accent-light);
            color: var(--primary-dark);
        }

        .modal-close:active {
            transform: scale(0.95);
        }

        .modal-title {
            font-size: 24px;
            font-weight: 700;
            color: var(--primary);
            margin: 12px 0 8px;
        }

        .modal-desc {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
            margin-bottom: 24px;
        }

        .modal-form {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .form-group {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .form-group label {
            font-size: 14px;
            font-weight: 500;
            color: var(--text);
        }

        .form-group input,
        .form-group textarea {
            width: 100%;
            font-size: 15px;
            font-family: var(--font);
            padding: 12px 14px;
            border: 1px solid #DDDDDD;
            border-radius: var(--radius-sm);
            background: var(--white);
            color: var(--text);
            transition: border-color 0.2s ease, box-shadow 0.2s ease;
            resize: vertical;
        }

        .form-group input:focus,
        .form-group textarea:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(176, 141, 87, 0.15);
            outline: none;
        }

        .form-group input::placeholder,
        .form-group textarea::placeholder {
            color: #9A9A94;
        }

        .form-error {
            font-size: 13px;
            color: var(--warning);
            display: none;
        }

        .form-group.has-error input,
        .form-group.has-error textarea {
            border-color: var(--warning);
        }

        .form-group.has-error .form-error {
            display: block;
        }

        .privacy-note {
            font-size: 13px;
            color: #999;
            line-height: 1.6;
            text-align: center;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--dark);
            color: rgba(244, 241, 235, 0.8);
            padding: 56px 0 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1.2fr 1.2fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(244, 241, 235, 0.1);
        }

        .footer-brand .logo-text {
            font-size: 18px;
            font-weight: 600;
            color: #F4F1EB;
            margin-bottom: 12px;
            display: block;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(244, 241, 235, 0.65);
            max-width: 260px;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 600;
            color: #F4F1EB;
            margin-bottom: 16px;
            letter-spacing: 0.03em;
        }

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

        .footer-col ul li a {
            font-size: 14px;
            color: rgba(244, 241, 235, 0.65);
            transition: color 0.2s ease;
        }

        .footer-col ul li a:hover {
            color: var(--accent);
        }

        .footer-contact {
            font-size: 14px;
            color: rgba(244, 241, 235, 0.65);
            line-height: 1.8;
        }

        .footer-contact a {
            color: rgba(244, 241, 235, 0.65);
        }

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

        .footer-bottom {
            text-align: center;
            padding-top: 24px;
            font-size: 13px;
            color: rgba(244, 241, 235, 0.5);
        }

        /* ===== Responsive ===== */
        @media (max-width: 992px) {
            .hero h1 {
                font-size: 34px;
            }

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

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

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

        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }

            .section {
                padding: 40px 0;
            }

            .header-cta {
                display: none;
            }

            .nav-cta-item {
                display: block;
                padding-top: 16px;
                margin-top: 12px;
                border-top: 1px solid var(--border);
            }

            .nav-cta-item .btn {
                width: 100%;
            }

            .hamburger {
                display: flex;
            }

            .nav-list {
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: var(--white);
                flex-direction: column;
                align-items: stretch;
                gap: 0;
                padding: 16px;
                margin-left: 0;
                box-shadow: 0 16px 30px rgba(14, 59, 52, 0.12);
                border-bottom: 1px solid var(--border);
                opacity: 0;
                visibility: hidden;
                transform: translateY(-8px);
                transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s;
            }

            .nav-list.open {
                opacity: 1;
                visibility: visible;
                transform: translateY(0);
            }

            .nav-list li + li {
                border-top: 1px solid var(--border);
            }

            .nav-list .nav-link {
                display: block;
                padding: 14px 12px;
                font-size: 16px;
            }

            .nav-list .nav-link:after {
                display: none;
            }

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

            .article-page {
                padding: 32px 0 40px;
            }

            .article-card {
                padding: 24px;
            }

            .article-card h1 {
                font-size: 26px;
            }

            .article-meta {
                gap: 12px;
                font-size: 13px;
            }

            .article-body p,
            .article-body li {
                font-size: 16px;
            }

            .article-actions {
                flex-direction: column;
                align-items: flex-start;
            }

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

            .related-card {
                padding: 14px;
            }

            .related-thumb {
                width: 84px;
                height: 84px;
            }

            .cta-band {
                padding: 32px 0;
            }

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

            .faq-answer {
                padding: 0 18px 16px;
            }

            .modal-box {
                border-radius: 12px 12px 0 0;
                max-width: 100%;
                max-height: 88vh;
                overflow-y: auto;
                padding: 28px 20px 24px;
            }

            .modal-overlay {
                align-items: flex-end;
                padding: 0;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
        }

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

            .article-card {
                padding: 18px;
            }

            .article-card h1 {
                font-size: 22px;
            }

            .related-card {
                flex-direction: row;
            }

            .related-thumb {
                width: 72px;
                height: 72px;
            }

            .faq-heading h2 {
                font-size: 26px;
            }

            .cta-inner p {
                font-size: 17px;
            }
        }

/* roulang page: category2 */
:root {
  --primary: #0E3B34;
  --primary-dark: #082B25;
  --accent: #B08D57;
  --accent-deep: #8F7246;
  --accent-light: rgba(176,141,87,0.12);
  --dark: #1C1A17;
  --cream: #F4F1EB;
  --white: #FFFFFF;
  --success: #2E7D5B;
  --warning: #D97742;
  --body: #33302B;
  --muted: #6B665E;
  --border: #E4DED3;
  --radius: 8px;
  --radius-sm: 4px;
  --shadow: 0 2px 8px rgba(14,59,52,0.08);
  --shadow-lg: 0 8px 20px rgba(14,59,52,0.14);
  --font: "PingFang SC", "Microsoft YaHei", sans-serif;
}

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

html { scroll-behavior: smooth; }

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

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

a {
  color: var(--primary);
  text-decoration: none;
  transition: color .2s ease;
}

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

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

input, textarea { font-family: inherit; font-size: 16px; }

ul { list-style: none; }

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

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

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 11px 26px;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  line-height: 1.4;
  text-align: center;
  transition: all .2s ease;
}

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

.btn-primary:hover {
  background: var(--primary-dark);
  color: var(--cream);
}

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

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

.btn-outline:hover {
  background: var(--accent-light);
  color: var(--primary);
}

.btn-outline-light {
  background: transparent;
  border: 1px solid rgba(244,241,235,0.6);
  color: var(--cream);
}

.btn-outline-light:hover {
  background: rgba(244,241,235,0.1);
  color: var(--cream);
  border-color: var(--cream);
}

.btn-block { width: 100%; }

/* ===== 导航 ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: transparent;
  transition: background .3s ease, border-color .3s ease, box-shadow .3s ease;
  border-bottom: 1px solid transparent;
}

.site-header.header-solid,
.site-header.scrolled {
  background: var(--cream);
  border-bottom-color: rgba(28,26,23,0.08);
  box-shadow: 0 2px 12px rgba(14,59,52,0.04);
}

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

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

.logo-mark {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  background: var(--primary);
  color: var(--accent);
  font-weight: 700;
  font-size: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  letter-spacing: 0.02em;
}

.logo-text {
  font-size: 18px;
  font-weight: 600;
  color: var(--primary);
  letter-spacing: 0.02em;
}

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

.nav-link {
  display: block;
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 500;
  color: var(--body);
  position: relative;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transform: translateX(-50%);
  transition: width .25s ease;
}

.nav-link:hover::after,
.nav-link.active::after { width: 24px; }

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

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

.header-cta { margin-left: 12px; }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 10px;
}

.hamburger span {
  width: 24px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
  transition: all .3s ease;
}

.nav-cta-mobile { display: none; }

body.menu-open { overflow: hidden; }

body.menu-open .hamburger span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
body.menu-open .hamburger span:nth-child(2) { opacity: 0; }
body.menu-open .hamburger span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== 页头横幅 ===== */
.page-hero {
  position: relative;
  background-size: cover;
  background-position: center;
  padding: 150px 0 72px;
  overflow: hidden;
}

.page-hero::before,
.page-hero::after {
  content: "";
  position: absolute;
  border: 1px solid rgba(176,141,87,0.2);
  border-radius: 50%;
  pointer-events: none;
}

.page-hero::before {
  right: 40px;
  top: 50%;
  width: 120px;
  height: 120px;
  transform: translateY(-50%);
}

.page-hero::after {
  right: -60px;
  top: 50%;
  width: 240px;
  height: 240px;
  transform: translateY(-50%);
  border-color: rgba(176,141,87,0.12);
}

.page-hero .container { position: relative; z-index: 2; }

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  margin-bottom: 22px;
  color: rgba(244,241,235,0.75);
}

.breadcrumb a { color: rgba(244,241,235,0.75); }

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

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

.hero-badge {
  display: inline-block;
  font-size: 13px;
  font-weight: 500;
  color: var(--accent);
  border: 1px solid rgba(176,141,87,0.6);
  border-radius: 999px;
  padding: 4px 14px;
  margin-bottom: 18px;
}

.page-hero h1 {
  font-size: 32px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--cream);
  margin-bottom: 16px;
}

.page-hero-sub {
  font-size: 18px;
  color: rgba(244,241,235,0.85);
  max-width: 640px;
  line-height: 1.7;
}

/* ===== 通用板块 ===== */
.section { padding: 64px 0; }

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

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 40px;
}

.section-tag {
  display: inline-block;
  font-size: 14px;
  font-weight: 500;
  color: var(--accent-deep);
  border: 1px solid rgba(176,141,87,0.5);
  border-radius: 999px;
  padding: 4px 14px;
  margin-bottom: 16px;
}

.section-head h2 {
  font-size: 32px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--primary);
  line-height: 1.3;
}

.sec-desc {
  font-size: 16px;
  color: var(--muted);
  max-width: 520px;
  line-height: 1.7;
}

.text-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  white-space: nowrap;
}

.text-link .arr { transition: transform .2s ease; }

.text-link:hover .arr { transform: translateX(4px); }

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

/* ===== 分类简介 ===== */
.intro-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 48px;
  align-items: center;
}

.intro-text p {
  margin-bottom: 16px;
  color: var(--muted);
  font-size: 16px;
}

.intro-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-top: 28px;
}

.intro-stat {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 14px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: box-shadow .2s ease, transform .2s ease;
}

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

.intro-stat strong {
  display: block;
  font-size: 24px;
  font-weight: 700;
  color: var(--accent-deep);
  margin-bottom: 2px;
}

.intro-stat span {
  font-size: 13px;
  color: var(--muted);
}

.intro-img {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.intro-img img {
  width: 100%;
  height: 320px;
  object-fit: cover;
}

/* ===== 信息类型卡片 ===== */
.type-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.type-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: box-shadow .25s ease, transform .25s ease;
}

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

.card-img {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
}

.card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .3s ease;
}

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

.card-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--primary);
  color: var(--cream);
  font-size: 12px;
  font-weight: 500;
  padding: 4px 12px;
  border-radius: 999px;
  z-index: 2;
}

.type-card-body {
  padding: 24px;
}

.type-card-body h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 10px;
}

.type-card-body p {
  font-size: 15px;
  color: var(--muted);
  line-height: 1.7;
}

/* ===== 重点推荐横条 ===== */
.highlight-band {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  align-items: center;
  gap: 36px;
  border-radius: var(--radius);
  padding: 48px 48px;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}

.highlight-band::after {
  content: "";
  position: absolute;
  right: -70px;
  bottom: -70px;
  width: 200px;
  height: 200px;
  border: 1px solid rgba(176,141,87,0.25);
  border-radius: 50%;
  pointer-events: none;
}

.highlight-content { position: relative; z-index: 2; }

.highlight-tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 500;
  color: var(--accent);
  border: 1px solid rgba(176,141,87,0.6);
  border-radius: 999px;
  padding: 3px 12px;
  margin-bottom: 16px;
}

.highlight-content h3 {
  font-size: 26px;
  font-weight: 700;
  color: var(--cream);
  margin-bottom: 12px;
  letter-spacing: 0.02em;
}

.highlight-content p {
  color: rgba(244,241,235,0.8);
  font-size: 16px;
  line-height: 1.7;
}

.highlight-actions {
  display: flex;
  gap: 14px;
  margin-top: 24px;
  flex-wrap: wrap;
}

.highlight-note {
  position: relative;
  z-index: 2;
  text-align: center;
  border-left: 1px solid rgba(244,241,235,0.15);
  padding-left: 36px;
}

.highlight-note strong {
  display: block;
  font-size: 32px;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 4px;
}

.highlight-note span {
  font-size: 14px;
  color: rgba(244,241,235,0.7);
}

/* ===== 资讯时间线 ===== */
.timeline {
  position: relative;
  padding-left: 28px;
  max-width: 880px;
  margin: 0 auto;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 6px;
  bottom: 6px;
  width: 2px;
  background: var(--border);
}

.timeline-item {
  position: relative;
  padding: 0 0 36px 28px;
}

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

.timeline-item::before {
  content: "";
  position: absolute;
  left: -25px;
  top: 8px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent);
  border: 3px solid var(--cream);
  box-shadow: 0 0 0 2px rgba(176,141,87,0.3);
}

.timeline-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
  flex-wrap: wrap;
}

.timeline-date {
  display: inline-block;
  font-size: 13px;
  font-weight: 500;
  color: var(--accent-deep);
  background: var(--accent-light);
  border-radius: 999px;
  padding: 2px 12px;
}

.timeline-tag {
  font-size: 13px;
  color: var(--muted);
}

.timeline-item h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 6px;
}

.timeline-item p {
  font-size: 15px;
  color: var(--muted);
  line-height: 1.7;
}

/* ===== FAQ ===== */
.faq-list {
  max-width: 880px;
  margin: 0 auto;
}

.faq-item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 14px;
  overflow: hidden;
  transition: box-shadow .2s ease;
}

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

.faq-q {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  width: 100%;
  padding: 20px 24px;
  font-size: 16px;
  font-weight: 600;
  color: var(--primary);
  background: none;
  border: none;
  text-align: left;
}

.faq-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1px solid var(--accent);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
  transition: transform .3s ease, background .3s ease, color .3s ease;
}

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

.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height .3s ease;
}

.faq-a-inner {
  padding: 0 24px 20px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--muted);
}

/* ===== CTA ===== */
.cta-band {
  background: var(--dark);
  padding: 72px 0;
  text-align: center;
}

.cta-band h2 {
  font-size: 28px;
  font-weight: 700;
  color: var(--cream);
  margin-bottom: 12px;
  letter-spacing: 0.02em;
}

.cta-band p {
  color: rgba(244,241,235,0.75);
  max-width: 560px;
  margin: 0 auto 28px;
  font-size: 16px;
  line-height: 1.7;
}

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

.back-home {
  margin-top: 32px;
  font-size: 14px;
}

.back-home a {
  color: rgba(244,241,235,0.6);
  transition: color .2s ease;
}

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

/* ===== 页脚 ===== */
.site-footer {
  background: var(--dark);
  color: rgba(244,241,235,0.8);
  padding: 56px 0 0;
}

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

.footer-brand p {
  font-size: 14px;
  color: rgba(244,241,235,0.65);
  line-height: 1.8;
  margin-top: 8px;
}

.footer-col h4 {
  font-size: 15px;
  font-weight: 600;
  color: var(--cream);
  margin-bottom: 16px;
}

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

.footer-col ul a {
  font-size: 14px;
  color: rgba(244,241,235,0.65);
}

.footer-col ul a:hover { color: var(--accent); }

.footer-contact {
  font-size: 14px;
  color: rgba(244,241,235,0.65);
  line-height: 1.9;
  word-break: break-all;
}

.footer-bottom {
  border-top: 1px solid rgba(244,241,235,0.12);
  padding: 20px 0;
  font-size: 13px;
  color: rgba(244,241,235,0.5);
  text-align: center;
}

/* ===== 表单弹层 ===== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(14,59,52,0.6);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-overlay.open { display: flex; }

.modal-box {
  background: var(--white);
  width: 100%;
  max-width: 480px;
  border-radius: var(--radius);
  padding: 36px 36px 28px;
  position: relative;
  box-shadow: 0 20px 50px rgba(0,0,0,0.25);
  max-height: 90vh;
  overflow-y: auto;
}

.modal-topline {
  display: block;
  width: 40px;
  height: 4px;
  background: var(--accent);
  border-radius: 2px;
  margin-bottom: 18px;
}

.modal-box h3 {
  font-size: 22px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 8px;
}

.modal-desc {
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 24px;
  line-height: 1.6;
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 36px;
  height: 36px;
  border: none;
  background: var(--cream);
  border-radius: 50%;
  font-size: 18px;
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background .2s ease;
}

.modal-close:hover { background: #E4DED3; }

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

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: var(--primary);
  margin-bottom: 6px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  border: 1px solid #DDD;
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  font-size: 16px;
  color: var(--body);
  background: var(--white);
  transition: border-color .2s ease, box-shadow .2s ease;
  resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(176,141,87,0.25);
}

.form-group .error-msg {
  color: var(--warning);
  font-size: 13px;
  margin-top: 4px;
  display: none;
}

.privacy-note {
  font-size: 12px;
  color: var(--muted);
  text-align: center;
  margin-top: 16px;
  line-height: 1.6;
}

/* ===== 响应式 ===== */
@media (max-width: 992px) {
  .intro-grid { grid-template-columns: 1fr; }
  .type-cards { grid-template-columns: repeat(2, 1fr); }
  .highlight-band { grid-template-columns: 1fr; }
  .highlight-note {
    border-left: none;
    border-top: 1px solid rgba(244,241,235,0.15);
    padding-left: 0;
    padding-top: 24px;
    text-align: left;
  }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 768px) {
  .header-inner { height: 64px; }

  .nav-list {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--cream);
    flex-direction: column;
    align-items: stretch;
    padding: 16px 16px 24px;
    gap: 0;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
    transform: translateY(-120%);
    transition: transform .3s ease;
    visibility: hidden;
    z-index: 999;
  }

  .nav-list.open {
    transform: translateY(0);
    visibility: visible;
  }

  .nav-list li { border-bottom: 1px solid rgba(28,26,23,0.06); }
  .nav-list li:last-child { border-bottom: none; }

  .nav-link {
    padding: 14px 8px;
    font-size: 16px;
    display: block;
  }

  .nav-link::after { display: none; }

  .header-cta { display: none; }
  .hamburger { display: flex; }
  .nav-cta-mobile { display: block; padding: 16px 0 4px; }

  .page-hero { padding: 120px 0 48px; }
  .page-hero h1 { font-size: 28px; }
  .page-hero-sub { font-size: 16px; }

  .section { padding: 40px 0; }

  .section-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 28px;
  }

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

  .type-cards { grid-template-columns: 1fr; }

  .intro-stats { gap: 12px; }
  .intro-stat { padding: 14px 8px; }
  .intro-stat strong { font-size: 20px; }

  .highlight-band { padding: 32px 24px; }
  .highlight-content h3 { font-size: 22px; }

  .footer-grid { grid-template-columns: 1fr; gap: 28px; padding-bottom: 28px; }

  .modal-overlay {
    align-items: flex-end;
    padding: 0;
  }

  .modal-box {
    max-width: 100%;
    border-radius: 12px 12px 0 0;
    max-height: 88vh;
    padding: 28px 24px 24px;
  }
}

@media (max-width: 520px) {
  .container { padding-left: 16px; padding-right: 16px; }

  .intro-stats { gap: 8px; }
  .intro-stat strong { font-size: 18px; }
  .intro-stat span { font-size: 12px; }

  .cta-actions {
    flex-direction: column;
    align-items: stretch;
    max-width: 320px;
    margin: 0 auto;
  }

  .highlight-actions { flex-direction: column; }
  .highlight-actions .btn { width: 100%; }

  .timeline { padding-left: 22px; }
  .timeline-item { padding-left: 20px; }
  .timeline-item::before { left: -21px; width: 12px; height: 12px; }

  .cta-band { padding: 48px 0; }
  .cta-band h2 { font-size: 24px; }
}