/* roulang page: index */
:root {
        --primary: #143C36;
        --primary-deep: #0E2D28;
        --primary-soft: #1B5147;
        --accent: #C59A5C;
        --accent-light: #E2C394;
        --bg: #F6F1E7;
        --content-bg: #FFFFFF;
        --surface-muted: #F7F8F7;
        --text: #1B1D1A;
        --text-secondary: #555A50;
        --text-weak: #7A7D72;
        --border: #E4DED1;
        --divider: #EEE8DB;
        --success: #2F7D5B;
        --risk: #B45A3C;
        --shadow-sm: 0 1px 2px rgba(20,60,54,0.04);
        --shadow-card: 0 8px 24px rgba(20,60,54,0.10);
        --focus-ring: 0 0 0 2px rgba(197,154,92,0.45);
        --radius-card: 12px;
        --radius-btn: 10px;
        --radius-input: 8px;
        --radius-badge: 999px;
        --container: 1200px;
        --font-sans: "PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
        --font-mono: "SFMono-Regular","Roboto Mono","Noto Sans Mono",monospace;
    }

    * {
        box-sizing: border-box;
    }

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

    body {
        margin: 0;
        font-family: var(--font-sans);
        font-size: 16px;
        line-height: 1.8;
        color: var(--text);
        background: var(--bg);
        -webkit-font-smoothing: antialiased;
    }

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

    a {
        color: var(--primary);
        text-decoration: none;
        transition: color 150ms ease, opacity 150ms ease, border-color 150ms ease;
    }

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

    a:focus-visible,
    button:focus-visible,
    input:focus-visible,
    select:focus-visible,
    summary:focus-visible {
        outline: none;
        box-shadow: var(--focus-ring);
        border-radius: 4px;
    }

    button,
    input,
    select {
        font-family: inherit;
        font-size: inherit;
    }

    h1, h2, h3, h4 {
        margin-top: 0;
        line-height: 1.35;
        color: var(--primary);
    }

    h1 {
        font-size: clamp(30px, 4.2vw, 44px);
        font-weight: 700;
        letter-spacing: -0.02em;
    }

    h2 {
        font-size: clamp(24px, 3vw, 32px);
        font-weight: 700;
        letter-spacing: -0.01em;
        margin-bottom: 12px;
    }

    h3 {
        font-size: 20px;
        font-weight: 600;
    }

    p {
        margin-top: 0;
        margin-bottom: 1.2em;
    }

    ul, ol {
        padding-left: 1.4rem;
        margin-top: 0;
        margin-bottom: 1.2em;
    }

    .container {
        width: min(100% - 32px, var(--container));
        margin-inline: auto;
    }

    .section {
        padding: 72px 0;
    }

    .section-muted {
        background: var(--content-bg);
        border-top: 1px solid var(--divider);
        border-bottom: 1px solid var(--divider);
    }

    .section-dark {
        background: var(--primary);
        color: #EDF2EE;
    }

    .section-dark h2,
    .section-dark h3 {
        color: #FFFFFF;
    }

    .section-title {
        max-width: 760px;
        margin-bottom: 36px;
    }

    .section-title .eyebrow {
        display: inline-block;
        font-size: 13px;
        font-weight: 600;
        letter-spacing: 0.08em;
        color: var(--accent);
        background: rgba(197,154,92,0.12);
        border: 1px solid rgba(197,154,92,0.28);
        padding: 4px 12px;
        border-radius: var(--radius-badge);
        margin-bottom: 10px;
    }

    .section-title p {
        color: var(--text-secondary);
        max-width: 720px;
        margin-bottom: 0;
    }

    .section-dark .section-title p {
        color: rgba(237,242,238,0.78);
    }

    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        padding: 12px 22px;
        border-radius: var(--radius-btn);
        font-weight: 600;
        font-size: 15px;
        line-height: 1.4;
        border: 1px solid transparent;
        cursor: pointer;
        transition: background-color 150ms ease, color 150ms ease, border-color 150ms ease, transform 150ms ease, box-shadow 150ms ease;
        text-align: center;
    }

    .btn:hover {
        text-decoration: none;
    }

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

    .btn-primary {
        background: var(--primary);
        color: #FFFFFF;
        border-color: var(--primary);
        box-shadow: 0 2px 8px rgba(20,60,54,0.18);
    }

    .btn-primary:hover {
        background: var(--primary-deep);
        border-color: var(--primary-deep);
        color: #FFFFFF;
        box-shadow: 0 6px 16px rgba(20,60,54,0.22);
    }

    .btn-accent {
        background: var(--accent);
        color: #1B1D1A;
        border-color: var(--accent);
    }

    .btn-accent:hover {
        background: #B58A4B;
        color: #FFFFFF;
        border-color: #B58A4B;
    }

    .btn-outline-light {
        background: transparent;
        color: #FFFFFF;
        border-color: rgba(255,255,255,0.55);
    }

    .btn-outline-light:hover {
        background: rgba(255,255,255,0.10);
        border-color: #FFFFFF;
        color: #FFFFFF;
    }

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

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

    .btn-block {
        width: 100%;
    }

    .badge {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 4px 11px;
        border-radius: var(--radius-badge);
        font-size: 12px;
        font-weight: 600;
        line-height: 1.6;
        background: rgba(20,60,54,0.07);
        color: var(--primary);
        border: 1px solid rgba(20,60,54,0.14);
    }

    .badge-accent {
        background: rgba(197,154,92,0.16);
        color: #8A5E2A;
        border-color: rgba(197,154,92,0.32);
    }

    .badge-risk {
        background: rgba(180,90,60,0.10);
        color: var(--risk);
        border-color: rgba(180,90,60,0.25);
    }

    .badge-success {
        background: rgba(47,125,91,0.10);
        color: var(--success);
        border-color: rgba(47,125,91,0.25);
    }

    .header {
        position: sticky;
        top: 0;
        z-index: 100;
        background: rgba(255,255,255,0.96);
        border-bottom: 1px solid var(--divider);
        backdrop-filter: blur(8px);
    }

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

    .logo {
        font-size: 18px;
        font-weight: 700;
        color: var(--primary);
        letter-spacing: -0.01em;
        white-space: nowrap;
        display: inline-flex;
        align-items: center;
        gap: 8px;
    }

    .logo::before {
        content: "";
        width: 26px;
        height: 26px;
        border-radius: 8px;
        background: var(--primary);
        border: 1px solid var(--accent);
        flex-shrink: 0;
        display: inline-block;
    }

    .main-nav {
        display: flex;
        align-items: center;
        gap: 28px;
        flex-wrap: wrap;
    }

    .main-nav a {
        font-size: 15px;
        font-weight: 500;
        color: var(--text-secondary);
        padding: 8px 0;
        border-bottom: 2px solid transparent;
        white-space: nowrap;
    }

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

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

    .header-actions {
        display: flex;
        align-items: center;
        gap: 12px;
    }

    .nav-toggle {
        display: none;
        width: 42px;
        height: 42px;
        background: var(--surface-muted);
        border: 1px solid var(--border);
        border-radius: 8px;
        cursor: pointer;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 5px;
    }

    .nav-toggle span {
        display: block;
        width: 20px;
        height: 2px;
        background: var(--primary);
        border-radius: 2px;
        transition: transform 150ms ease, opacity 150ms ease;
    }

    .hero {
        position: relative;
        background: url('/assets/images/288b8e0121dff5c6.webp') center/cover no-repeat;
        color: #F5F0E8;
        overflow: hidden;
    }

    .hero::before {
        content: "";
        position: absolute;
        inset: 0;
        background: linear-gradient(105deg, rgba(14,45,40,0.94) 30%, rgba(20,60,54,0.82) 70%, rgba(20,60,54,0.55) 100%);
        z-index: 1;
    }

    .hero-inner {
        position: relative;
        z-index: 2;
        display: grid;
        grid-template-columns: 1.05fr 0.95fr;
        gap: 48px;
        align-items: center;
        padding: 88px 0 96px;
    }

    .hero-copy {
        max-width: 680px;
    }

    .hero-copy .hero-badge {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background: rgba(197,154,92,0.16);
        color: #EBCB9F;
        border: 1px solid rgba(197,154,92,0.45);
        padding: 5px 14px;
        border-radius: var(--radius-badge);
        font-size: 13px;
        font-weight: 600;
        letter-spacing: 0.04em;
        margin-bottom: 16px;
    }

    .hero-copy h1 {
        color: #FFFFFF;
        max-width: 660px;
        margin-bottom: 18px;
    }

    .hero-copy .hero-lead {
        font-size: 17px;
        line-height: 1.9;
        color: rgba(245,240,232,0.88);
        margin-bottom: 30px;
        max-width: 640px;
    }

    .hero-actions {
        display: flex;
        flex-wrap: wrap;
        gap: 12px;
    }

    .hero-visual {
        position: relative;
        min-height: 420px;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .hero-visual .visual-card {
        position: relative;
        width: min(100%, 460px);
        background: rgba(255,255,255,0.10);
        border: 1px solid rgba(255,255,255,0.18);
        border-radius: var(--radius-card);
        overflow: hidden;
        box-shadow: 0 20px 40px rgba(0,0,0,0.22);
        backdrop-filter: blur(4px);
    }

    .visual-card img {
        width: 100%;
        aspect-ratio: 4/3;
        object-fit: cover;
    }

    .visual-card .visual-meta {
        padding: 14px 16px;
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
        background: rgba(14,45,40,0.72);
        color: #FFFFFF;
    }

    .visual-meta span {
        font-size: 13px;
        font-weight: 500;
        display: inline-flex;
        align-items: center;
        gap: 6px;
    }

    .visual-meta span::before {
        content: "●";
        color: var(--accent);
        font-size: 9px;
    }

    .trust-strip {
        background: var(--content-bg);
        border-bottom: 1px solid var(--divider);
        padding: 26px 0;
    }

    .trust-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 16px;
        align-items: stretch;
    }

    .trust-item {
        display: flex;
        align-items: center;
        gap: 12px;
        padding: 12px 16px;
        background: var(--surface-muted);
        border: 1px solid var(--border);
        border-radius: 12px;
        transition: border-color 150ms ease, box-shadow 150ms ease;
    }

    .trust-item:hover {
        border-color: var(--accent);
        box-shadow: var(--shadow-sm);
    }

    .trust-icon {
        width: 40px;
        height: 40px;
        border-radius: 50%;
        background: rgba(197,154,92,0.16);
        display: inline-flex;
        align-items: center;
        justify-content: center;
        color: var(--accent);
        font-weight: 700;
        font-size: 16px;
        flex-shrink: 0;
    }

    .trust-item strong {
        display: block;
        font-size: 15px;
        color: var(--primary);
        margin-bottom: 2px;
    }

    .trust-item span {
        display: block;
        font-size: 13px;
        color: var(--text-weak);
        line-height: 1.5;
    }

    .step-grid {
        display: grid;
        grid-template-columns: repeat(5, 1fr);
        gap: 18px;
        counter-reset: step;
    }

    .step-card {
        position: relative;
        background: var(--content-bg);
        border: 1px solid var(--border);
        border-radius: var(--radius-card);
        padding: 24px 18px 20px;
        transition: transform 150ms ease, box-shadow 150ms ease, border-color 150ms ease;
        counter-increment: step;
    }

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

    .step-card::before {
        content: counter(step);
        display: inline-flex;
        width: 36px;
        height: 36px;
        align-items: center;
        justify-content: center;
        background: var(--primary);
        color: #FFFFFF;
        border-radius: 50%;
        font-weight: 700;
        font-size: 16px;
        margin-bottom: 14px;
    }

    .step-card h3 {
        font-size: 18px;
        margin-bottom: 8px;
    }

    .step-card p {
        font-size: 14px;
        color: var(--text-secondary);
        margin-bottom: 0;
    }

    .step-card .step-material {
        margin-top: 10px;
        font-size: 13px;
        color: var(--text-weak);
        background: var(--surface-muted);
        padding: 8px 10px;
        border-radius: 8px;
        border-left: 3px solid var(--accent);
    }

    .card-grid-four {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 18px;
    }

    .info-card {
        background: var(--content-bg);
        border: 1px solid var(--border);
        border-radius: var(--radius-card);
        padding: 22px;
        transition: transform 150ms ease, box-shadow 150ms ease, border-color 150ms ease;
    }

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

    .info-card h3 {
        font-size: 18px;
        margin-top: 12px;
        margin-bottom: 8px;
    }

    .info-card p {
        font-size: 14px;
        color: var(--text-secondary);
        margin-bottom: 0;
    }

    .info-card .card-tag {
        font-size: 12px;
        font-weight: 600;
        color: var(--primary);
        background: rgba(20,60,54,0.07);
        border-radius: var(--radius-badge);
        padding: 3px 10px;
        display: inline-block;
    }

    .split-section {
        display: grid;
        grid-template-columns: 0.9fr 1.1fr;
        gap: 40px;
        align-items: center;
    }

    .split-image {
        background: var(--surface-muted);
        border: 1px solid var(--border);
        border-radius: var(--radius-card);
        overflow: hidden;
    }

    .split-image img {
        aspect-ratio: 4/3;
        object-fit: cover;
    }

    .check-list {
        list-style: none;
        padding-left: 0;
        margin: 0;
    }

    .check-list li {
        position: relative;
        padding: 10px 0 10px 34px;
        border-bottom: 1px solid var(--divider);
        font-size: 15px;
        color: var(--text-secondary);
    }

    .check-list li::before {
        content: "✓";
        position: absolute;
        left: 0;
        top: 10px;
        width: 22px;
        height: 22px;
        border-radius: 50%;
        background: rgba(47,125,91,0.12);
        color: var(--success);
        font-weight: 700;
        font-size: 13px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }

    .table-like {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 18px;
    }

    .fee-card {
        background: var(--content-bg);
        border: 1px solid var(--border);
        border-radius: var(--radius-card);
        padding: 22px;
    }

    .fee-card .fee-name {
        font-weight: 700;
        color: var(--primary);
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 17px;
        margin-bottom: 8px;
    }

    .fee-card p {
        font-size: 14px;
        color: var(--text-secondary);
        margin-bottom: 0;
    }

    .calculator-box {
        background: var(--content-bg);
        border: 1px solid var(--border);
        border-radius: var(--radius-card);
        box-shadow: var(--shadow-sm);
        padding: 28px;
    }

    .form-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 18px;
    }

    .form-field {
        display: flex;
        flex-direction: column;
        gap: 8px;
    }

    .form-field label {
        font-size: 14px;
        font-weight: 600;
        color: var(--primary);
    }

    .form-field input,
    .form-field select {
        padding: 12px 14px;
        border: 1px solid var(--border);
        border-radius: var(--radius-input);
        background: #FFFFFF;
        color: var(--text);
        transition: border-color 150ms ease, box-shadow 150ms ease;
    }

    .form-field input:focus,
    .form-field select:focus {
        outline: none;
        border-color: var(--primary);
        box-shadow: 0 0 0 3px rgba(20,60,54,0.08);
    }

    .calc-result {
        margin-top: 20px;
        padding: 16px 18px;
        background: var(--surface-muted);
        border-left: 4px solid var(--accent);
        border-radius: 8px;
        color: var(--text-secondary);
        font-size: 15px;
        min-height: 52px;
    }

    .condition-list {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 18px;
    }

    .condition-item {
        background: var(--content-bg);
        border: 1px solid var(--border);
        border-radius: var(--radius-card);
        padding: 20px 22px;
        display: flex;
        gap: 12px;
        align-items: flex-start;
    }

    .condition-item .cond-no {
        width: 30px;
        height: 30px;
        background: var(--primary);
        color: #FFFFFF;
        border-radius: 50%;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        font-size: 14px;
        font-weight: 700;
        flex-shrink: 0;
    }

    .condition-item h3 {
        font-size: 17px;
        margin-bottom: 4px;
    }

    .condition-item p {
        font-size: 14px;
        color: var(--text-secondary);
        margin-bottom: 0;
    }

    .accordion {
        display: flex;
        flex-direction: column;
        gap: 10px;
    }

    .accordion-item {
        background: var(--content-bg);
        border: 1px solid var(--border);
        border-radius: var(--radius-card);
        overflow: hidden;
        transition: border-color 150ms ease, box-shadow 150ms ease;
    }

    .accordion-item:hover {
        border-color: var(--accent);
        box-shadow: var(--shadow-sm);
    }

    .accordion-item summary {
        list-style: none;
        cursor: pointer;
        padding: 16px 18px;
        font-weight: 600;
        color: var(--primary);
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        position: relative;
        background: var(--content-bg);
    }

    .accordion-item summary::-webkit-details-marker {
        display: none;
    }

    .accordion-item summary::after {
        content: "+";
        font-size: 22px;
        font-weight: 400;
        color: var(--accent);
        transition: transform 150ms ease;
    }

    .accordion-item[open] summary::after {
        content: "−";
        transform: rotate(180deg);
    }

    .accordion-item .accordion-body {
        padding: 0 18px 18px;
        font-size: 15px;
        color: var(--text-secondary);
        line-height: 1.8;
        border-top: 1px solid var(--divider);
        padding-top: 12px;
    }

    .risk-block {
        background: #3F2A21;
        color: #F7EEE6;
        border-radius: var(--radius-card);
        padding: 30px 32px;
        border-left: 6px solid var(--risk);
    }

    .risk-block h2,
    .risk-block h3 {
        color: #FFFFFF;
    }

    .risk-block ul {
        list-style: none;
        padding-left: 0;
        margin-bottom: 0;
    }

    .risk-block li {
        padding: 9px 0 9px 32px;
        position: relative;
        border-bottom: 1px solid rgba(255,255,255,0.10);
        font-size: 15px;
        color: rgba(247,238,230,0.88);
    }

    .risk-block li::before {
        content: "!";
        position: absolute;
        left: 0;
        top: 9px;
        width: 22px;
        height: 22px;
        border-radius: 50%;
        background: rgba(180,90,60,0.28);
        color: #F2B099;
        font-weight: 700;
        font-size: 13px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }

    .service-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 18px;
    }

    .service-card {
        background: var(--content-bg);
        border: 1px solid var(--border);
        border-radius: var(--radius-card);
        padding: 24px;
    }

    .service-card h3 {
        font-size: 18px;
        margin-bottom: 8px;
    }

    .service-card p {
        font-size: 14px;
        color: var(--text-secondary);
        margin-bottom: 0;
    }

    .cta-block {
        background: var(--primary);
        border-radius: var(--radius-card);
        padding: 52px 40px;
        text-align: center;
        color: #FFFFFF;
    }

    .cta-block h2 {
        color: #FFFFFF;
    }

    .cta-block p {
        color: rgba(255,255,255,0.78);
        max-width: 680px;
        margin: 0 auto 26px;
    }

    .cta-actions {
        display: flex;
        justify-content: center;
        flex-wrap: wrap;
        gap: 12px;
    }

    .info-list {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 18px;
    }

    .info-article-card {
        display: flex;
        flex-direction: column;
        background: var(--content-bg);
        border: 1px solid var(--border);
        border-radius: var(--radius-card);
        overflow: hidden;
        transition: transform 150ms ease, box-shadow 150ms ease, border-color 150ms ease;
    }

    .info-article-card:hover {
        transform: translateY(-2px);
        box-shadow: var(--shadow-card);
        border-color: var(--accent);
    }

    .info-article-card .article-thumb {
        aspect-ratio: 16/9;
        background: var(--surface-muted);
    }

    .info-article-card .article-thumb img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }

    .info-article-card .article-body {
        padding: 18px;
        display: flex;
        flex-direction: column;
        gap: 8px;
        flex: 1;
    }

    .info-article-card .article-body h3 {
        font-size: 18px;
        margin-bottom: 4px;
    }

    .info-article-card .article-body p {
        font-size: 14px;
        color: var(--text-secondary);
        margin-bottom: 0;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .info-article-card .article-meta {
        font-size: 13px;
        color: var(--text-weak);
        display: flex;
        justify-content: space-between;
        gap: 10px;
        flex-wrap: wrap;
        margin-top: auto;
    }

    .empty-tip {
        background: var(--surface-muted);
        border: 1px dashed var(--border);
        border-radius: var(--radius-card);
        padding: 24px;
        text-align: center;
        color: var(--text-weak);
    }

    .footer {
        background: var(--primary-deep);
        color: rgba(255,255,255,0.78);
        padding: 56px 0 0;
        margin-top: 0;
    }

    .footer-grid {
        display: grid;
        grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
        gap: 32px;
        padding-bottom: 36px;
        border-bottom: 1px solid rgba(255,255,255,0.10);
    }

    .footer-brand .logo {
        color: #FFFFFF;
        margin-bottom: 12px;
    }

    .footer-brand p {
        font-size: 14px;
        line-height: 1.8;
        color: rgba(255,255,255,0.66);
    }

    .footer h3 {
        color: #FFFFFF;
        font-size: 16px;
        margin-bottom: 14px;
        letter-spacing: 0.02em;
    }

    .footer ul {
        list-style: none;
        padding-left: 0;
        margin-bottom: 0;
    }

    .footer ul li {
        margin-bottom: 8px;
    }

    .footer ul a {
        color: rgba(255,255,255,0.66);
        font-size: 14px;
    }

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

    .footer-contact p {
        font-size: 14px;
        line-height: 1.8;
        color: rgba(255,255,255,0.66);
        margin-bottom: 6px;
    }

    .footer-bottom {
        padding: 18px 0;
        text-align: center;
        font-size: 13px;
        color: rgba(255,255,255,0.55);
    }

    .footer-bottom a {
        color: rgba(255,255,255,0.70);
    }

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

    .back-to-top {
        display: inline-flex;
        margin-top: 12px;
        font-size: 13px;
    }

    @media (max-width: 1024px) {
        .step-grid,
        .card-grid-four {
            grid-template-columns: repeat(3, 1fr);
        }

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

        .hero-inner {
            grid-template-columns: 1fr;
            gap: 32px;
            padding: 56px 0 64px;
        }

        .hero-visual {
            min-height: auto;
        }

        .hero-visual .visual-card {
            width: min(100%, 520px);
        }

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

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

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

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

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

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

        .nav-toggle {
            display: inline-flex;
        }

        .main-nav {
            display: none;
            width: 100%;
            flex-direction: column;
            align-items: flex-start;
            gap: 0;
            padding: 12px 0 18px;
            border-top: 1px solid var(--divider);
        }

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

        .main-nav a {
            width: 100%;
            padding: 10px 0;
            border-bottom: 1px solid var(--divider);
        }

        .main-nav a.active {
            border-bottom-color: var(--divider);
        }

        .header-actions .btn {
            padding: 9px 14px;
            font-size: 14px;
        }

        .section {
            padding: 48px 0;
        }

        .step-grid,
        .card-grid-four,
        .table-like,
        .condition-list,
        .info-list,
        .form-grid,
        .service-grid {
            grid-template-columns: 1fr;
        }

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

        .hero-inner {
            padding: 40px 0 48px;
        }

        .hero-copy .hero-lead {
            font-size: 16px;
        }

        .hero-actions .btn {
            flex: 1 1 auto;
        }

        .footer-grid {
            grid-template-columns: 1fr;
            gap: 24px;
        }

        .cta-block {
            padding: 36px 22px;
        }

        .risk-block {
            padding: 24px 20px;
        }
    }

    @media (max-width: 520px) {
        html {
            font-size: 15px;
        }

        .header-actions .btn {
            padding: 8px 10px;
            font-size: 13px;
        }

        .logo {
            font-size: 16px;
        }

        .logo::before {
            width: 22px;
            height: 22px;
        }

        .btn {
            padding: 12px 16px;
            font-size: 14px;
            width: 100%;
        }

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

        .form-field input,
        .form-field select {
            padding: 10px 12px;
        }

        .calculator-box {
            padding: 18px;
        }

        .accordion-item summary {
            padding: 14px 12px;
            font-size: 15px;
        }
    }

/* roulang page: category1 */
:root {
            --primary: #143C36;
            --primary-deep: #0E2D28;
            --primary-soft: #1B5147;
            --accent: #C59A5C;
            --accent-light: #E2C394;
            --bg: #F6F1E7;
            --content-bg: #FFFFFF;
            --surface-muted: #F7F8F7;
            --text: #1B1D1A;
            --text-secondary: #555A50;
            --text-weak: #7A7D72;
            --border: #E4DED1;
            --divider: #EEE8DB;
            --success: #2F7D5B;
            --risk: #B45A3C;
            --shadow-sm: 0 1px 2px rgba(20,60,54,0.04);
            --shadow-card: 0 8px 24px rgba(20,60,54,0.10);
            --focus-ring: 0 0 0 2px rgba(197,154,92,0.45);
            --radius-card: 12px;
            --radius-btn: 10px;
            --radius-input: 8px;
            --radius-badge: 999px;
            --container: 1200px;
            --font-sans: "PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
            --font-mono: "SFMono-Regular","Roboto Mono","Noto Sans Mono",monospace;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            margin: 0;
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 150ms ease, opacity 150ms ease, border-color 150ms ease;
        }
        a:hover {
            color: var(--accent);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        summary:focus-visible {
            outline: none;
            box-shadow: var(--focus-ring);
            border-radius: 4px;
        }
        button,
        input,
        select {
            font-family: inherit;
            font-size: inherit;
        }
        .container {
            width: min(100% - 32px, var(--container));
            margin-inline: auto;
        }
        .section {
            padding: 72px 0;
        }
        .section-muted {
            background: var(--content-bg);
            border-top: 1px solid var(--divider);
            border-bottom: 1px solid var(--divider);
        }
        .section-dark {
            background: var(--primary);
            color: #EDF2EE;
        }
        .section-dark h2,
        .section-dark h3 {
            color: #FFFFFF;
        }
        .section-title {
            max-width: 760px;
            margin-bottom: 36px;
        }
        .section-title .eyebrow {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.08em;
            color: var(--accent);
            background: rgba(197,154,92,0.12);
            border: 1px solid rgba(197,154,92,0.28);
            padding: 4px 12px;
            border-radius: var(--radius-badge);
            margin-bottom: 10px;
        }
        .section-title p {
            color: var(--text-secondary);
            max-width: 720px;
            margin-bottom: 0;
        }
        .section-dark .section-title p {
            color: rgba(237,242,238,0.78);
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 22px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 15px;
            line-height: 1.4;
            border: 1px solid transparent;
            cursor: pointer;
            transition: background-color 150ms ease, color 150ms ease, border-color 150ms ease, transform 150ms ease, box-shadow 150ms ease;
            text-align: center;
        }
        .btn:hover {
            text-decoration: none;
        }
        .btn:active {
            transform: translateY(1px);
        }
        .btn-primary {
            background: var(--primary);
            color: #FFFFFF;
            border-color: var(--primary);
            box-shadow: 0 2px 8px rgba(20,60,54,0.18);
        }
        .btn-primary:hover {
            background: var(--primary-deep);
            border-color: var(--primary-deep);
            color: #FFFFFF;
            box-shadow: 0 6px 16px rgba(20,60,54,0.22);
        }
        .btn-accent {
            background: var(--accent);
            color: #1B1D1A;
            border-color: var(--accent);
        }
        .btn-accent:hover {
            background: #B58A4B;
            color: #FFFFFF;
            border-color: #B58A4B;
        }
        .btn-outline-light {
            background: transparent;
            color: #FFFFFF;
            border-color: rgba(255,255,255,0.55);
        }
        .btn-outline-light:hover {
            background: rgba(255,255,255,0.10);
            border-color: #FFFFFF;
            color: #FFFFFF;
        }
        .btn-outline-dark {
            background: transparent;
            color: var(--primary);
            border-color: var(--border);
        }
        .btn-outline-dark:hover {
            background: var(--surface-muted);
            border-color: var(--primary);
            color: var(--primary);
        }
        .btn-block {
            width: 100%;
        }
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 11px;
            border-radius: var(--radius-badge);
            font-size: 12px;
            font-weight: 600;
            line-height: 1.6;
            background: rgba(20,60,54,0.07);
            color: var(--primary);
            border: 1px solid rgba(20,60,54,0.14);
        }
        .badge-accent {
            background: rgba(197,154,92,0.16);
            color: #8A5E2A;
            border-color: rgba(197,154,92,0.32);
        }
        .badge-risk {
            background: rgba(180,90,60,0.10);
            color: var(--risk);
            border-color: rgba(180,90,60,0.25);
        }
        .badge-success {
            background: rgba(47,125,91,0.10);
            color: var(--success);
            border-color: rgba(47,125,91,0.25);
        }
        .header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255,255,255,0.96);
            border-bottom: 1px solid var(--divider);
            backdrop-filter: blur(8px);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            min-height: 72px;
        }
        .logo {
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -0.01em;
            white-space: nowrap;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .logo::before {
            content: "";
            width: 28px;
            height: 28px;
            border-radius: 7px;
            background: var(--primary);
            display: inline-block;
            background-image: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .main-nav a {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            border-radius: 8px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            border: 1px solid transparent;
        }
        .main-nav a:hover {
            color: var(--primary);
            background: var(--surface-muted);
        }
        .main-nav a.active {
            color: #FFFFFF;
            background: var(--primary);
            border-color: var(--primary);
            font-weight: 600;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            width: 42px;
            height: 42px;
            background: transparent;
            border: 1px solid var(--border);
            border-radius: 8px;
            padding: 0 10px;
            cursor: pointer;
        }
        .nav-toggle span {
            display: block;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transition: transform 150ms ease, opacity 150ms ease;
        }
        .nav-toggle[aria-expanded="true"] span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-toggle[aria-expanded="true"] span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle[aria-expanded="true"] span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        .page-hero {
            background: var(--primary);
            color: #EDF2EE;
            padding: 56px 0 64px;
            position: relative;
            overflow: hidden;
        }
        .page-hero::after {
            content: "";
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 80% 20%, rgba(197,154,92,0.18) 0%, transparent 55%);
            pointer-events: none;
        }
        .page-hero .container {
            position: relative;
            z-index: 1;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: rgba(237,242,238,0.7);
            margin-bottom: 16px;
            list-style: none;
            padding: 0;
        }
        .breadcrumb a {
            color: var(--accent-light);
        }
        .breadcrumb a:hover {
            color: #FFFFFF;
        }
        .breadcrumb .separator {
            color: rgba(237,242,238,0.4);
            font-size: 12px;
        }
        .page-hero h1 {
            font-size: 38px;
            font-weight: 700;
            color: #FFFFFF;
            letter-spacing: -0.02em;
            margin: 0 0 14px;
            line-height: 1.3;
        }
        .page-hero .lead {
            font-size: 17px;
            color: rgba(237,242,238,0.82);
            max-width: 680px;
            margin: 0;
            line-height: 1.8;
        }
        .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 22px;
        }
        .hero-meta .badge {
            background: rgba(255,255,255,0.10);
            color: #EDF2EE;
            border-color: rgba(255,255,255,0.25);
        }
        .section-alt {
            background: var(--content-bg);
        }
        .card {
            background: var(--content-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            transition: box-shadow 150ms ease, transform 150ms ease, border-color 150ms ease;
            overflow: hidden;
        }
        .card:hover {
            box-shadow: var(--shadow-card);
            transform: translateY(-2px);
            border-color: rgba(197,154,92,0.4);
        }
        .card-body {
            padding: 24px;
        }
        .card-title {
            font-size: 19px;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 10px;
            line-height: 1.4;
        }
        .card-text {
            font-size: 14px;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.75;
        }
        .card-head {
            padding: 18px 24px;
            border-bottom: 1px solid var(--divider);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
        }
        .card-head .step-num {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: var(--primary);
            color: #FFFFFF;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 15px;
            flex-shrink: 0;
        }
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .timeline {
            position: relative;
            padding-left: 28px;
        }
        .timeline::before {
            content: "";
            position: absolute;
            left: 8px;
            top: 4px;
            bottom: 4px;
            width: 2px;
            background: var(--border);
        }
        .timeline-item {
            position: relative;
            padding-bottom: 28px;
            padding-left: 20px;
        }
        .timeline-item:last-child {
            padding-bottom: 0;
        }
        .timeline-item::before {
            content: "";
            position: absolute;
            left: -28px;
            top: 5px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--accent);
            border: 3px solid var(--bg);
            box-shadow: 0 0 0 2px rgba(197,154,92,0.35);
        }
        .timeline-item h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 6px;
        }
        .timeline-item p {
            font-size: 14px;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.75;
        }
        .timeline-item .materials {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-top: 8px;
        }
        .timeline-item .materials .badge {
            font-size: 11px;
            padding: 3px 9px;
        }
        .condition-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: grid;
            gap: 12px;
        }
        .condition-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 16px 18px;
            background: var(--surface-muted);
            border-radius: 10px;
            border-left: 3px solid var(--accent);
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .condition-list li strong {
            color: var(--text);
            font-weight: 600;
            display: block;
            margin-bottom: 2px;
        }
        .warn-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: grid;
            gap: 10px;
        }
        .warn-list li {
            padding: 14px 16px;
            background: rgba(180,90,60,0.06);
            border-left: 3px solid var(--risk);
            border-radius: 8px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .warn-list li strong {
            color: var(--risk);
            font-weight: 600;
        }
        .table-wrap {
            overflow-x: auto;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            background: var(--content-bg);
        }
        .table {
            width: 100%;
            border-collapse: collapse;
            font-size: 14px;
            min-width: 600px;
        }
        .table th {
            background: var(--primary);
            color: #FFFFFF;
            font-weight: 600;
            padding: 14px 16px;
            text-align: left;
            white-space: nowrap;
        }
        .table td {
            padding: 13px 16px;
            border-bottom: 1px solid var(--divider);
            color: var(--text-secondary);
            vertical-align: top;
        }
        .table tr:last-child td {
            border-bottom: none;
        }
        .table tr:hover td {
            background: var(--surface-muted);
        }
        .cta-panel {
            background: var(--primary);
            border-radius: var(--radius-card);
            padding: 40px;
            color: #EDF2EE;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
        }
        .cta-panel h2 {
            color: #FFFFFF;
            font-size: 24px;
            font-weight: 700;
            margin: 0 0 8px;
        }
        .cta-panel p {
            color: rgba(237,242,238,0.8);
            margin: 0;
            font-size: 14px;
            max-width: 520px;
        }
        .risk-strip {
            background: rgba(180,90,60,0.07);
            border: 1px solid rgba(180,90,60,0.22);
            border-radius: 10px;
            padding: 16px 20px;
            font-size: 14px;
            color: var(--risk);
            line-height: 1.7;
            display: flex;
            align-items: flex-start;
            gap: 10px;
        }
        .risk-strip::before {
            content: "⚠";
            font-size: 18px;
            flex-shrink: 0;
            line-height: 1.4;
        }
        .footer {
            background: var(--primary-deep);
            color: rgba(237,242,238,0.75);
            padding: 56px 0 0;
            border-top: 4px solid var(--accent);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.4fr;
            gap: 32px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(237,242,238,0.12);
        }
        .footer-brand .logo {
            color: #FFFFFF;
            margin-bottom: 14px;
        }
        .footer-brand p {
            font-size: 13px;
            line-height: 1.8;
            margin: 0;
            color: rgba(237,242,238,0.65);
        }
        .footer h3 {
            color: #FFFFFF;
            font-size: 15px;
            font-weight: 700;
            margin: 0 0 14px;
        }
        .footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: grid;
            gap: 8px;
        }
        .footer ul a {
            color: rgba(237,242,238,0.7);
            font-size: 13px;
            transition: color 150ms ease;
        }
        .footer ul a:hover {
            color: var(--accent-light);
        }
        .footer-contact p {
            font-size: 13px;
            margin: 0 0 8px;
            color: rgba(237,242,238,0.65);
            line-height: 1.7;
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 0;
            font-size: 12px;
            color: rgba(237,242,238,0.45);
        }
        .footer-bottom a {
            color: rgba(237,242,238,0.55);
        }
        .footer-bottom a:hover {
            color: var(--accent-light);
        }
        .back-to-top {
            font-size: 12px;
            white-space: nowrap;
        }
        @media (max-width: 1024px) {
            .grid-3,
            .grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .page-hero h1 {
                font-size: 32px;
            }
        }
        @media (max-width: 768px) {
            .section {
                padding: 48px 0;
            }
            .grid-3,
            .grid-4,
            .grid-2 {
                grid-template-columns: 1fr;
            }
            .page-hero {
                padding: 40px 0 48px;
            }
            .page-hero h1 {
                font-size: 26px;
            }
            .page-hero .lead {
                font-size: 15px;
            }
            .main-nav {
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                flex-direction: column;
                align-items: stretch;
                gap: 0;
                background: #FFFFFF;
                border-bottom: 1px solid var(--divider);
                padding: 12px 16px;
                display: none;
                box-shadow: 0 12px 24px rgba(20,60,54,0.08);
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 12px 16px;
                border-radius: 8px;
                width: 100%;
            }
            .nav-toggle {
                display: flex;
            }
            .header-actions .btn-primary {
                padding: 10px 16px;
                font-size: 14px;
            }
            .cta-panel {
                flex-direction: column;
                align-items: flex-start;
                padding: 28px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                text-align: left;
            }
        }
        @media (max-width: 520px) {
            .container {
                width: min(100% - 24px, var(--container));
            }
            .section {
                padding: 40px 0;
            }
            .page-hero h1 {
                font-size: 22px;
            }
            .btn {
                width: 100%;
                justify-content: center;
            }
            .header-inner {
                gap: 12px;
            }
            .header-actions .btn-primary {
                padding: 8px 12px;
                font-size: 13px;
            }
            .logo {
                font-size: 16px;
            }
            .cta-panel {
                padding: 20px;
            }
            .cta-panel h2 {
                font-size: 20px;
            }
        }

/* roulang page: article */
:root {
        --primary: #143C36;
        --primary-deep: #0E2D28;
        --primary-soft: #1B5147;
        --accent: #C59A5C;
        --accent-light: #E2C394;
        --bg: #F6F1E7;
        --content-bg: #FFFFFF;
        --surface-muted: #F7F8F7;
        --text: #1B1D1A;
        --text-secondary: #555A50;
        --text-weak: #7A7D72;
        --border: #E4DED1;
        --divider: #EEE8DB;
        --success: #2F7D5B;
        --risk: #B45A3C;
        --shadow-sm: 0 1px 2px rgba(20,60,54,0.04);
        --shadow-card: 0 8px 24px rgba(20,60,54,0.10);
        --focus-ring: 0 0 0 2px rgba(197,154,92,0.45);
        --radius-card: 12px;
        --radius-btn: 10px;
        --radius-input: 8px;
        --radius-badge: 999px;
        --container: 1200px;
        --font-sans: "PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
        --font-mono: "SFMono-Regular","Roboto Mono","Noto Sans Mono",monospace;
    }
    html {
        scroll-behavior: smooth;
        -webkit-text-size-adjust: 100%;
    }
    body {
        margin: 0;
        font-family: var(--font-sans);
        font-size: 16px;
        line-height: 1.8;
        color: var(--text);
        background: var(--bg);
        -webkit-font-smoothing: antialiased;
    }
    img {
        max-width: 100%;
        height: auto;
        display: block;
    }
    a {
        color: var(--primary);
        text-decoration: none;
        transition: color 150ms ease, opacity 150ms ease, border-color 150ms ease, background-color 150ms ease, box-shadow 150ms ease;
    }
    a:hover {
        color: var(--accent);
    }
    a:focus-visible,
    button:focus-visible,
    input:focus-visible,
    select:focus-visible,
    summary:focus-visible {
        outline: none;
        box-shadow: var(--focus-ring);
        border-radius: 4px;
    }
    button,
    input,
    select {
        font-family: inherit;
        font-size: inherit;
    }
    ul, ol {
        margin: 0;
        padding: 0;
        list-style: none;
    }
    .container {
        width: min(100% - 32px, var(--container));
        margin-inline: auto;
    }
    .section {
        padding: 64px 0;
    }
    .section-muted {
        background: var(--content-bg);
        border-top: 1px solid var(--divider);
        border-bottom: 1px solid var(--divider);
    }
    .section-dark {
        background: var(--primary);
        color: #EDF2EE;
    }
    .section-dark h2,
    .section-dark h3 {
        color: #FFFFFF;
    }
    .section-title {
        max-width: 760px;
        margin-bottom: 36px;
    }
    .section-title .eyebrow {
        display: inline-block;
        font-size: 13px;
        font-weight: 600;
        letter-spacing: 0.08em;
        color: var(--accent);
        background: rgba(197,154,92,0.12);
        border: 1px solid rgba(197,154,92,0.28);
        padding: 4px 12px;
        border-radius: var(--radius-badge);
        margin-bottom: 10px;
    }
    .section-title p {
        color: var(--text-secondary);
        max-width: 720px;
        margin-bottom: 0;
    }
    .section-dark .section-title p {
        color: rgba(237,242,238,0.78);
    }
    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        padding: 12px 22px;
        border-radius: var(--radius-btn);
        font-weight: 600;
        font-size: 15px;
        line-height: 1.4;
        border: 1px solid transparent;
        cursor: pointer;
        transition: background-color 150ms ease, color 150ms ease, border-color 150ms ease, transform 150ms ease, box-shadow 150ms ease;
        text-align: center;
    }
    .btn:hover {
        text-decoration: none;
    }
    .btn:active {
        transform: translateY(1px);
    }
    .btn-primary {
        background: var(--primary);
        color: #FFFFFF;
        border-color: var(--primary);
        box-shadow: 0 2px 8px rgba(20,60,54,0.18);
    }
    .btn-primary:hover {
        background: var(--primary-deep);
        border-color: var(--primary-deep);
        color: #FFFFFF;
        box-shadow: 0 6px 16px rgba(20,60,54,0.22);
    }
    .btn-accent {
        background: var(--accent);
        color: #1B1D1A;
        border-color: var(--accent);
    }
    .btn-accent:hover {
        background: #B58A4B;
        color: #FFFFFF;
        border-color: #B58A4B;
    }
    .btn-outline-light {
        background: transparent;
        color: #FFFFFF;
        border-color: rgba(255,255,255,0.55);
    }
    .btn-outline-light:hover {
        background: rgba(255,255,255,0.10);
        border-color: #FFFFFF;
        color: #FFFFFF;
    }
    .btn-outline-dark {
        background: transparent;
        color: var(--primary);
        border-color: var(--border);
    }
    .btn-outline-dark:hover {
        background: var(--surface-muted);
        border-color: var(--primary);
        color: var(--primary);
    }
    .btn-block {
        width: 100%;
    }
    .badge {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 4px 11px;
        border-radius: var(--radius-badge);
        font-size: 12px;
        font-weight: 600;
        line-height: 1.6;
        background: rgba(20,60,54,0.07);
        color: var(--primary);
        border: 1px solid rgba(20,60,54,0.14);
    }
    .badge-accent {
        background: rgba(197,154,92,0.16);
        color: #8A5E2A;
        border-color: rgba(197,154,92,0.32);
    }
    .badge-risk {
        background: rgba(180,90,60,0.10);
        color: var(--risk);
        border-color: rgba(180,90,60,0.25);
    }
    .badge-success {
        background: rgba(47,125,91,0.10);
        color: var(--success);
        border-color: rgba(47,125,91,0.25);
    }
    .header {
        position: sticky;
        top: 0;
        z-index: 100;
        background: rgba(255,255,255,0.96);
        border-bottom: 1px solid var(--divider);
        backdrop-filter: blur(8px);
    }
    .header-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 24px;
        min-height: 72px;
    }
    .logo {
        font-size: 18px;
        font-weight: 700;
        color: var(--primary);
        letter-spacing: -0.01em;
        white-space: nowrap;
        display: inline-flex;
        align-items: center;
        gap: 8px;
    }
    .logo::before {
        content: '';
        width: 28px;
        height: 28px;
        border-radius: 6px;
        background: var(--primary);
        display: inline-block;
        flex: 0 0 auto;
        background-image: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    }
    .logo:hover {
        color: var(--primary);
    }
    .main-nav {
        display: flex;
        align-items: center;
        gap: 28px;
    }
    .main-nav a {
        color: var(--text-secondary);
        font-size: 15px;
        font-weight: 500;
        padding: 6px 0;
        border-bottom: 2px solid transparent;
        white-space: nowrap;
        transition: color 150ms ease, border-color 150ms ease;
    }
    .main-nav a:hover {
        color: var(--primary);
    }
    .main-nav a.active {
        color: var(--primary);
        border-bottom-color: var(--accent);
        font-weight: 600;
    }
    .header-actions {
        display: flex;
        align-items: center;
        gap: 12px;
    }
    .nav-toggle {
        display: none;
        flex-direction: column;
        justify-content: center;
        gap: 5px;
        width: 40px;
        height: 40px;
        background: var(--surface-muted);
        border: 1px solid var(--border);
        border-radius: 8px;
        cursor: pointer;
        padding: 8px;
    }
    .nav-toggle span {
        display: block;
        width: 100%;
        height: 2px;
        background: var(--primary);
        border-radius: 2px;
        transition: transform 150ms ease, opacity 150ms ease;
    }
    .nav-toggle[aria-expanded="true"] span:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }
    .nav-toggle[aria-expanded="true"] span:nth-child(2) {
        opacity: 0;
    }
    .nav-toggle[aria-expanded="true"] span:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }
    .breadcrumb {
        padding: 18px 0;
        background: transparent;
        border-bottom: 1px solid var(--divider);
    }
    .breadcrumb-inner {
        display: flex;
        align-items: center;
        flex-wrap: wrap;
        gap: 8px;
        font-size: 14px;
        color: var(--text-weak);
    }
    .breadcrumb-inner a {
        color: var(--text-secondary);
        font-weight: 500;
    }
    .breadcrumb-inner a:hover {
        color: var(--primary);
    }
    .breadcrumb-inner .sep {
        color: var(--text-weak);
        user-select: none;
    }
    .breadcrumb-inner .current {
        color: var(--text);
        font-weight: 600;
        max-width: 380px;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }
    .article-hero {
        padding: 48px 0 40px;
        background: var(--content-bg);
        border-bottom: 1px solid var(--divider);
    }
    .article-hero .container {
        max-width: 860px;
    }
    .article-hero h1 {
        font-size: 38px;
        line-height: 1.35;
        font-weight: 700;
        color: var(--text);
        margin: 0 0 16px;
        letter-spacing: -0.02em;
    }
    .article-meta {
        display: flex;
        align-items: center;
        flex-wrap: wrap;
        gap: 12px;
        margin-bottom: 20px;
        font-size: 14px;
        color: var(--text-weak);
    }
    .article-meta .meta-item {
        display: inline-flex;
        align-items: center;
        gap: 6px;
    }
    .article-meta .meta-dot {
        width: 4px;
        height: 4px;
        border-radius: 50%;
        background: var(--text-weak);
    }
    .article-excerpt {
        font-size: 17px;
        color: var(--text-secondary);
        line-height: 1.8;
        margin: 0 0 24px;
        max-width: 760px;
    }
    .article-cover {
        border-radius: var(--radius-card);
        overflow: hidden;
        border: 1px solid var(--border);
        box-shadow: var(--shadow-sm);
    }
    .article-cover img {
        width: 100%;
        height: auto;
        aspect-ratio: 16/8;
        object-fit: cover;
    }
    .article-content {
        padding: 56px 0;
        background: var(--bg);
    }
    .article-content .container {
        max-width: 820px;
    }
    .article-body {
        background: var(--content-bg);
        border-radius: var(--radius-card);
        padding: 48px 56px;
        border: 1px solid var(--border);
        box-shadow: var(--shadow-sm);
        font-size: 17px;
        line-height: 1.9;
        color: var(--text);
    }
    .article-body h2 {
        font-size: 26px;
        line-height: 1.45;
        font-weight: 700;
        color: var(--text);
        margin: 36px 0 16px;
        padding-bottom: 10px;
        border-bottom: 2px solid var(--divider);
    }
    .article-body h3 {
        font-size: 21px;
        line-height: 1.5;
        font-weight: 600;
        color: var(--text);
        margin: 28px 0 12px;
    }
    .article-body p {
        margin: 0 0 18px;
    }
    .article-body ul,
    .article-body ol {
        margin: 0 0 18px;
        padding-left: 24px;
        list-style: none;
    }
    .article-body ul li {
        position: relative;
        padding-left: 18px;
        margin-bottom: 8px;
    }
    .article-body ul li::before {
        content: '';
        position: absolute;
        left: 0;
        top: 0.75em;
        width: 7px;
        height: 7px;
        border-radius: 50%;
        background: var(--accent);
    }
    .article-body ol {
        counter-reset: article-list;
    }
    .article-body ol li {
        position: relative;
        padding-left: 30px;
        margin-bottom: 8px;
        counter-increment: article-list;
    }
    .article-body ol li::before {
        content: counter(article-list);
        position: absolute;
        left: 0;
        top: 2px;
        width: 22px;
        height: 22px;
        border-radius: 6px;
        background: var(--primary);
        color: #FFFFFF;
        font-size: 12px;
        font-weight: 600;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    .article-body blockquote {
        margin: 24px 0;
        padding: 16px 20px;
        background: var(--surface-muted);
        border-left: 4px solid var(--accent);
        border-radius: 0 var(--radius-card) var(--radius-card) 0;
        color: var(--text-secondary);
        font-size: 16px;
    }
    .article-body blockquote p {
        margin: 0;
    }
    .article-body table {
        width: 100%;
        border-collapse: collapse;
        margin: 24px 0;
        font-size: 15px;
    }
    .article-body table th,
    .article-body table td {
        padding: 12px 14px;
        border: 1px solid var(--border);
        text-align: left;
        vertical-align: top;
    }
    .article-body table th {
        background: var(--surface-muted);
        font-weight: 600;
        color: var(--text);
    }
    .article-body img {
        border-radius: var(--radius-card);
        margin: 24px 0;
        border: 1px solid var(--border);
    }
    .article-body a {
        color: var(--primary);
        font-weight: 500;
        text-decoration: underline;
        text-underline-offset: 4px;
    }
    .article-body a:hover {
        color: var(--accent);
    }
    .article-empty {
        text-align: center;
        padding: 60px 20px;
    }
    .article-empty h2 {
        font-size: 24px;
        color: var(--text);
        margin-bottom: 12px;
    }
    .article-empty p {
        color: var(--text-secondary);
        margin-bottom: 20px;
    }
    .risk-note {
        margin-top: 28px;
        padding: 16px 20px;
        background: var(--surface-muted);
        border-radius: var(--radius-card);
        border-left: 3px solid var(--risk);
        font-size: 14px;
        color: var(--text-secondary);
        line-height: 1.7;
    }
    .risk-note strong {
        color: var(--risk);
        font-weight: 600;
    }
    .related-section {
        padding: 56px 0;
        background: var(--content-bg);
        border-top: 1px solid var(--divider);
        border-bottom: 1px solid var(--divider);
    }
    .related-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
    }
    .related-card {
        background: var(--content-bg);
        border: 1px solid var(--border);
        border-radius: var(--radius-card);
        overflow: hidden;
        box-shadow: var(--shadow-sm);
        transition: transform 150ms ease, box-shadow 150ms ease;
        display: flex;
        flex-direction: column;
    }
    .related-card:hover {
        transform: translateY(-2px);
        box-shadow: var(--shadow-card);
    }
    .related-card .card-img {
        aspect-ratio: 16/9;
        overflow: hidden;
        background: var(--surface-muted);
    }
    .related-card .card-img img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }
    .related-card .card-body {
        padding: 20px;
        display: flex;
        flex-direction: column;
        gap: 10px;
        flex: 1;
    }
    .related-card .card-title {
        font-size: 18px;
        font-weight: 600;
        color: var(--text);
        line-height: 1.5;
        margin: 0;
    }
    .related-card .card-title a {
        color: var(--text);
    }
    .related-card .card-title a:hover {
        color: var(--primary);
    }
    .related-card .card-summary {
        font-size: 14px;
        color: var(--text-secondary);
        line-height: 1.7;
        margin: 0;
        flex: 1;
    }
    .related-card .card-meta {
        display: flex;
        align-items: center;
        justify-content: space-between;
        font-size: 13px;
        color: var(--text-weak);
        padding-top: 8px;
        border-top: 1px solid var(--divider);
    }
    .return-nav {
        padding: 40px 0;
        background: var(--bg);
    }
    .return-nav-inner {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 16px;
        flex-wrap: wrap;
    }
    .cta-panel {
        padding: 64px 0;
        background: var(--primary);
        color: #EDF2EE;
    }
    .cta-panel-inner {
        text-align: center;
        max-width: 720px;
        margin: 0 auto;
    }
    .cta-panel h2 {
        font-size: 32px;
        font-weight: 700;
        color: #FFFFFF;
        margin: 0 0 12px;
        letter-spacing: -0.02em;
    }
    .cta-panel p {
        font-size: 16px;
        color: rgba(237,242,238,0.8);
        margin: 0 0 28px;
        line-height: 1.7;
    }
    .cta-panel .btn-group {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 14px;
        flex-wrap: wrap;
    }
    .latest-section {
        padding: 56px 0;
        background: var(--content-bg);
        border-top: 1px solid var(--divider);
    }
    .latest-list {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 20px;
    }
    .latest-item {
        display: flex;
        flex-direction: column;
        gap: 8px;
        padding: 16px;
        background: var(--surface-muted);
        border-radius: var(--radius-card);
        border: 1px solid var(--border);
    }
    .latest-item .latest-title {
        font-size: 15px;
        font-weight: 600;
        color: var(--text);
        line-height: 1.5;
    }
    .latest-item .latest-title a {
        color: var(--text);
    }
    .latest-item .latest-title a:hover {
        color: var(--primary);
    }
    .latest-item .latest-time {
        font-size: 13px;
        color: var(--text-weak);
    }
    .footer {
        background: var(--primary-deep);
        color: rgba(237,242,238,0.78);
        padding: 56px 0 0;
    }
    .footer-grid {
        display: grid;
        grid-template-columns: 2fr 1fr 1fr 1.2fr;
        gap: 40px;
        padding-bottom: 40px;
        border-bottom: 1px solid rgba(255,255,255,0.08);
    }
    .footer-brand .logo {
        color: #FFFFFF;
        font-size: 20px;
        margin-bottom: 14px;
    }
    .footer-brand .logo::before {
        background-image: linear-gradient(135deg, var(--accent) 0%, #FFFFFF 100%);
    }
    .footer-brand p {
        font-size: 14px;
        line-height: 1.8;
        margin: 0;
        color: rgba(237,242,238,0.62);
        max-width: 320px;
    }
    .footer h3 {
        font-size: 15px;
        font-weight: 600;
        color: #FFFFFF;
        margin: 0 0 16px;
    }
    .footer ul li {
        margin-bottom: 10px;
    }
    .footer ul li a {
        color: rgba(237,242,238,0.65);
        font-size: 14px;
        transition: color 150ms ease;
    }
    .footer ul li a:hover {
        color: var(--accent-light);
    }
    .footer-contact p {
        font-size: 14px;
        margin: 0 0 8px;
        color: rgba(237,242,238,0.65);
        line-height: 1.7;
    }
    .footer-bottom {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 18px 0;
        font-size: 13px;
        color: rgba(237,242,238,0.5);
        flex-wrap: wrap;
        gap: 12px;
    }
    .footer-bottom a {
        color: rgba(237,242,238,0.65);
    }
    .footer-bottom a:hover {
        color: var(--accent-light);
    }
    .back-to-top {
        font-size: 13px;
        font-weight: 500;
    }
    .section-heading {
        font-size: 28px;
        font-weight: 700;
        color: var(--text);
        margin: 0 0 8px;
        letter-spacing: -0.02em;
        line-height: 1.4;
    }
    .section-sub {
        font-size: 15px;
        color: var(--text-secondary);
        margin: 0 0 32px;
        max-width: 680px;
    }
    @media (max-width: 1024px) {
        .related-grid {
            grid-template-columns: repeat(2, 1fr);
        }
        .latest-list {
            grid-template-columns: repeat(2, 1fr);
        }
        .footer-grid {
            grid-template-columns: 1fr 1fr;
            gap: 28px;
        }
        .article-body {
            padding: 36px 28px;
        }
    }
    @media (max-width: 768px) {
        .main-nav {
            position: fixed;
            top: 72px;
            left: 0;
            right: 0;
            background: #FFFFFF;
            flex-direction: column;
            align-items: stretch;
            gap: 0;
            padding: 16px 0;
            border-bottom: 1px solid var(--divider);
            box-shadow: 0 8px 24px rgba(20,60,54,0.10);
            display: none;
            z-index: 99;
        }
        .main-nav.open {
            display: flex;
        }
        .main-nav a {
            padding: 12px 24px;
            border-bottom: 1px solid var(--divider);
            font-size: 16px;
        }
        .main-nav a:last-child {
            border-bottom: none;
        }
        .nav-toggle {
            display: flex;
        }
        .header-actions .btn {
            display: none;
        }
        .article-hero h1 {
            font-size: 28px;
        }
        .article-body {
            padding: 28px 20px;
            font-size: 16px;
        }
        .article-body h2 {
            font-size: 22px;
        }
        .article-body h3 {
            font-size: 19px;
        }
        .related-grid {
            grid-template-columns: 1fr;
        }
        .latest-list {
            grid-template-columns: 1fr;
        }
        .section {
            padding: 48px 0;
        }
        .cta-panel h2 {
            font-size: 25px;
        }
        .section-heading {
            font-size: 24px;
        }
        .breadcrumb-inner .current {
            max-width: 200px;
        }
    }
    @media (max-width: 520px) {
        .article-hero h1 {
            font-size: 24px;
        }
        .article-meta {
            gap: 8px;
            font-size: 13px;
        }
        .article-body {
            padding: 20px 16px;
            font-size: 15px;
        }
        .btn {
            width: 100%;
            justify-content: center;
        }
        .btn-group .btn {
            width: auto;
        }
        .cta-panel .btn-group {
            flex-direction: column;
        }
        .cta-panel .btn-group .btn {
            width: 100%;
        }
        .footer-grid {
            grid-template-columns: 1fr;
            gap: 24px;
        }
        .footer-bottom {
            flex-direction: column;
            text-align: center;
        }
        .return-nav-inner {
            flex-direction: column;
            gap: 10px;
        }
        .return-nav-inner .btn {
            width: 100%;
        }
    }

/* roulang page: category2 */
:root {
        --primary: #143C36;
        --primary-deep: #0E2D28;
        --primary-soft: #1B5147;
        --accent: #C59A5C;
        --accent-light: #E2C394;
        --bg: #F6F1E7;
        --content-bg: #FFFFFF;
        --surface-muted: #F7F8F7;
        --text: #1B1D1A;
        --text-secondary: #555A50;
        --text-weak: #7A7D72;
        --border: #E4DED1;
        --divider: #EEE8DB;
        --success: #2F7D5B;
        --risk: #B45A3C;
        --shadow-sm: 0 1px 2px rgba(20,60,54,0.04);
        --shadow-card: 0 8px 24px rgba(20,60,54,0.10);
        --focus-ring: 0 0 0 2px rgba(197,154,92,0.45);
        --radius-card: 12px;
        --radius-btn: 10px;
        --radius-input: 8px;
        --radius-badge: 999px;
        --container: 1200px;
        --font-sans: "PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
        --font-mono: "SFMono-Regular","Roboto Mono","Noto Sans Mono",monospace;
    }
    html {
        scroll-behavior: smooth;
        -webkit-text-size-adjust: 100%;
    }
    body {
        margin: 0;
        font-family: var(--font-sans);
        font-size: 16px;
        line-height: 1.8;
        color: var(--text);
        background: var(--bg);
        -webkit-font-smoothing: antialiased;
    }
    img {
        max-width: 100%;
        height: auto;
        display: block;
    }
    a {
        color: var(--primary);
        text-decoration: none;
        transition: color 150ms ease, opacity 150ms ease, border-color 150ms ease;
    }
    a:hover {
        color: var(--accent);
    }
    a:focus-visible,
    button:focus-visible,
    input:focus-visible,
    select:focus-visible,
    summary:focus-visible {
        outline: none;
        box-shadow: var(--focus-ring);
        border-radius: 4px;
    }
    button,
    input,
    select {
        font-family: inherit;
        font-size: inherit;
    }
    .container {
        width: min(100% - 32px, var(--container));
        margin-inline: auto;
    }
    .section {
        padding: 72px 0;
    }
    .section-muted {
        background: var(--content-bg);
        border-top: 1px solid var(--divider);
        border-bottom: 1px solid var(--divider);
    }
    .section-dark {
        background: var(--primary);
        color: #EDF2EE;
    }
    .section-dark h2,
    .section-dark h3 {
        color: #FFFFFF;
    }
    .section-dark p {
        color: rgba(237,242,238,0.82);
    }
    .section-title {
        max-width: 760px;
        margin-bottom: 36px;
    }
    .section-title .eyebrow {
        display: inline-block;
        font-size: 13px;
        font-weight: 600;
        letter-spacing: 0.08em;
        color: var(--accent);
        background: rgba(197,154,92,0.12);
        border: 1px solid rgba(197,154,92,0.28);
        padding: 4px 12px;
        border-radius: var(--radius-badge);
        margin-bottom: 10px;
    }
    .section-title p {
        color: var(--text-secondary);
        max-width: 720px;
        margin-bottom: 0;
    }
    .section-dark .section-title p {
        color: rgba(237,242,238,0.78);
    }
    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        padding: 12px 22px;
        border-radius: var(--radius-btn);
        font-weight: 600;
        font-size: 15px;
        line-height: 1.4;
        border: 1px solid transparent;
        cursor: pointer;
        transition: background-color 150ms ease, color 150ms ease, border-color 150ms ease, transform 150ms ease, box-shadow 150ms ease;
        text-align: center;
    }
    .btn:hover {
        text-decoration: none;
    }
    .btn:active {
        transform: translateY(1px);
    }
    .btn-primary {
        background: var(--primary);
        color: #FFFFFF;
        border-color: var(--primary);
        box-shadow: 0 2px 8px rgba(20,60,54,0.18);
    }
    .btn-primary:hover {
        background: var(--primary-deep);
        border-color: var(--primary-deep);
        color: #FFFFFF;
        box-shadow: 0 6px 16px rgba(20,60,54,0.22);
    }
    .btn-accent {
        background: var(--accent);
        color: #1B1D1A;
        border-color: var(--accent);
    }
    .btn-accent:hover {
        background: #B58A4B;
        color: #FFFFFF;
        border-color: #B58A4B;
    }
    .btn-outline-light {
        background: transparent;
        color: #FFFFFF;
        border-color: rgba(255,255,255,0.55);
    }
    .btn-outline-light:hover {
        background: rgba(255,255,255,0.10);
        border-color: #FFFFFF;
        color: #FFFFFF;
    }
    .btn-outline-dark {
        background: transparent;
        color: var(--primary);
        border-color: var(--border);
    }
    .btn-outline-dark:hover {
        background: var(--surface-muted);
        border-color: var(--primary);
        color: var(--primary);
    }
    .btn-block {
        width: 100%;
    }
    .badge {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 4px 11px;
        border-radius: var(--radius-badge);
        font-size: 12px;
        font-weight: 600;
        line-height: 1.6;
        background: rgba(20,60,54,0.07);
        color: var(--primary);
        border: 1px solid rgba(20,60,54,0.14);
    }
    .badge-accent {
        background: rgba(197,154,92,0.16);
        color: #8A5E2A;
        border-color: rgba(197,154,92,0.32);
    }
    .badge-risk {
        background: rgba(180,90,60,0.10);
        color: var(--risk);
        border-color: rgba(180,90,60,0.25);
    }
    .badge-success {
        background: rgba(47,125,91,0.10);
        color: var(--success);
        border-color: rgba(47,125,91,0.25);
    }
    .header {
        position: sticky;
        top: 0;
        z-index: 100;
        background: rgba(255,255,255,0.96);
        border-bottom: 1px solid var(--divider);
        backdrop-filter: blur(8px);
    }
    .header-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 24px;
        min-height: 72px;
    }
    .logo {
        font-size: 18px;
        font-weight: 700;
        color: var(--primary);
        letter-spacing: -0.01em;
        white-space: nowrap;
        display: inline-flex;
        align-items: center;
        gap: 8px;
    }
    .logo:hover {
        color: var(--primary);
    }
    .main-nav {
        display: flex;
        align-items: center;
        gap: 26px;
        flex-wrap: wrap;
    }
    .main-nav a {
        color: var(--text-secondary);
        font-size: 15px;
        font-weight: 500;
        position: relative;
        padding: 6px 2px;
        white-space: nowrap;
    }
    .main-nav a:hover {
        color: var(--primary);
    }
    .main-nav a.active {
        color: var(--primary);
        font-weight: 700;
    }
    .main-nav a.active::after {
        content: '';
        position: absolute;
        left: 0;
        right: 0;
        bottom: -2px;
        height: 2px;
        background: var(--accent);
        border-radius: 2px;
    }
    .header-actions {
        display: flex;
        align-items: center;
        gap: 12px;
    }
    .nav-toggle {
        display: none;
        flex-direction: column;
        gap: 5px;
        background: transparent;
        border: none;
        cursor: pointer;
        padding: 8px;
    }
    .nav-toggle span {
        display: block;
        width: 22px;
        height: 2px;
        background: var(--primary);
        border-radius: 2px;
        transition: transform 150ms ease, opacity 150ms ease;
    }
    .nav-toggle[aria-expanded="true"] span:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }
    .nav-toggle[aria-expanded="true"] span:nth-child(2) {
        opacity: 0;
    }
    .nav-toggle[aria-expanded="true"] span:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }
    .breadcrumb-wrap {
        background: var(--surface-muted);
        border-bottom: 1px solid var(--divider);
        padding: 12px 0;
    }
    .breadcrumb {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 14px;
        color: var(--text-weak);
        list-style: none;
        margin: 0;
        padding: 0;
        flex-wrap: wrap;
    }
    .breadcrumb li {
        display: inline-flex;
        align-items: center;
        gap: 8px;
    }
    .breadcrumb li:not(:last-child)::after {
        content: '/';
        color: var(--text-weak);
        margin-left: 4px;
    }
    .breadcrumb a {
        color: var(--text-secondary);
    }
    .breadcrumb a:hover {
        color: var(--primary);
    }
    .breadcrumb .current {
        color: var(--primary);
        font-weight: 600;
    }
    .page-hero {
        background: var(--primary);
        color: #EDF2EE;
        padding: 60px 0 56px;
    }
    .page-hero h1 {
        color: #FFFFFF;
        font-size: 36px;
        font-weight: 700;
        line-height: 1.35;
        margin-bottom: 14px;
    }
    .page-hero .lead {
        color: rgba(237,242,238,0.82);
        font-size: 17px;
        max-width: 760px;
        margin-bottom: 0;
    }
    .page-hero .badge {
        margin-bottom: 16px;
    }
    .split-layout {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 36px;
        align-items: center;
    }
    .split-layout.reverse {
        direction: rtl;
    }
    .split-layout.reverse > * {
        direction: ltr;
    }
    .media-frame {
        border-radius: var(--radius-card);
        overflow: hidden;
        box-shadow: var(--shadow-card);
        position: relative;
    }
    .media-frame img {
        width: 100%;
        height: auto;
        object-fit: cover;
    }
    .list-check {
        list-style: none;
        padding: 0;
        margin: 0;
        display: flex;
        flex-direction: column;
        gap: 12px;
    }
    .list-check li {
        position: relative;
        padding-left: 28px;
        color: var(--text-secondary);
        line-height: 1.7;
    }
    .list-check li::before {
        content: '';
        position: absolute;
        left: 0;
        top: 8px;
        width: 16px;
        height: 16px;
        border-radius: 50%;
        background: rgba(47,125,91,0.12);
        border: 2px solid var(--success);
    }
    .list-check li::after {
        content: '';
        position: absolute;
        left: 5px;
        top: 12px;
        width: 6px;
        height: 3px;
        border-left: 2px solid var(--success);
        border-bottom: 2px solid var(--success);
        transform: rotate(-45deg);
    }
    .card-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 24px;
    }
    .card-grid.two-col {
        grid-template-columns: repeat(2, 1fr);
    }
    .card-grid.three-col {
        grid-template-columns: repeat(3, 1fr);
    }
    .info-card {
        background: var(--content-bg);
        border: 1px solid var(--border);
        border-radius: var(--radius-card);
        padding: 24px 22px;
        box-shadow: var(--shadow-sm);
        transition: box-shadow 150ms ease, transform 150ms ease, border-color 150ms ease;
    }
    .info-card:hover {
        box-shadow: var(--shadow-card);
        transform: translateY(-2px);
        border-color: rgba(197,154,92,0.4);
    }
    .info-card h3 {
        font-size: 18px;
        font-weight: 700;
        color: var(--primary);
        margin-bottom: 10px;
        line-height: 1.5;
    }
    .info-card p {
        color: var(--text-secondary);
        font-size: 14px;
        margin-bottom: 0;
        line-height: 1.7;
    }
    .info-card .mono {
        font-family: var(--font-mono);
        font-variant-numeric: tabular-nums;
        font-size: 24px;
        font-weight: 700;
        color: var(--accent);
        display: block;
        margin-bottom: 6px;
    }
    .steps-horizontal {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 20px;
        counter-reset: step;
    }
    .step-item {
        position: relative;
        background: var(--content-bg);
        border: 1px solid var(--border);
        border-radius: var(--radius-card);
        padding: 24px 20px;
        counter-increment: step;
        transition: box-shadow 150ms ease, transform 150ms ease;
    }
    .step-item:hover {
        box-shadow: var(--shadow-card);
        transform: translateY(-2px);
    }
    .step-item::before {
        content: counter(step);
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 32px;
        height: 32px;
        border-radius: 50%;
        background: var(--accent);
        color: #1B1D1A;
        font-weight: 700;
        font-size: 15px;
        margin-bottom: 12px;
        font-family: var(--font-mono);
    }
    .step-item h4 {
        font-size: 16px;
        font-weight: 700;
        color: var(--primary);
        margin-bottom: 6px;
    }
    .step-item p {
        font-size: 14px;
        color: var(--text-secondary);
        margin-bottom: 0;
    }
    .risk-strip {
        background: #FDF3EE;
        border-left: 4px solid var(--risk);
        border-radius: 8px;
        padding: 18px 20px;
    }
    .risk-strip p {
        color: var(--risk);
        margin-bottom: 0;
        font-size: 14px;
        line-height: 1.7;
    }
    .faq-list {
        display: flex;
        flex-direction: column;
        gap: 12px;
    }
    .faq-item {
        background: var(--content-bg);
        border: 1px solid var(--border);
        border-radius: var(--radius-card);
        overflow: hidden;
        transition: border-color 150ms ease, box-shadow 150ms ease;
    }
    .faq-item:hover {
        border-color: rgba(197,154,92,0.4);
        box-shadow: var(--shadow-sm);
    }
    .faq-item summary {
        cursor: pointer;
        padding: 16px 20px;
        font-weight: 600;
        color: var(--primary);
        list-style: none;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        font-size: 15px;
        line-height: 1.6;
        transition: background-color 150ms ease;
    }
    .faq-item summary::-webkit-details-marker {
        display: none;
    }
    .faq-item summary::after {
        content: '+';
        font-size: 20px;
        font-weight: 500;
        color: var(--accent);
        transition: transform 150ms ease;
        flex-shrink: 0;
    }
    .faq-item[open] summary::after {
        transform: rotate(45deg);
    }
    .faq-item summary:hover {
        background: var(--surface-muted);
    }
    .faq-item .faq-body {
        padding: 0 20px 18px;
        color: var(--text-secondary);
        font-size: 14px;
        line-height: 1.7;
        border-top: 1px solid var(--divider);
        padding-top: 14px;
    }
    .news-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 20px;
    }
    .news-card {
        background: var(--content-bg);
        border: 1px solid var(--border);
        border-radius: var(--radius-card);
        overflow: hidden;
        box-shadow: var(--shadow-sm);
        transition: box-shadow 150ms ease, transform 150ms ease, border-color 150ms ease;
        display: flex;
        flex-direction: column;
    }
    .news-card:hover {
        box-shadow: var(--shadow-card);
        transform: translateY(-2px);
        border-color: rgba(197,154,92,0.4);
    }
    .news-card .news-body {
        padding: 18px 18px 16px;
        flex: 1;
        display: flex;
        flex-direction: column;
    }
    .news-card h4 {
        font-size: 16px;
        font-weight: 700;
        color: var(--primary);
        line-height: 1.5;
        margin-bottom: 8px;
    }
    .news-card h4 a {
        color: var(--primary);
    }
    .news-card h4 a:hover {
        color: var(--accent);
    }
    .news-card p {
        font-size: 13px;
        color: var(--text-secondary);
        line-height: 1.6;
        margin-bottom: 10px;
        flex: 1;
    }
    .news-card .news-meta {
        display: flex;
        align-items: center;
        gap: 10px;
        font-size: 12px;
        color: var(--text-weak);
    }
    .cta-block {
        background: var(--primary);
        border-radius: var(--radius-card);
        padding: 40px 36px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 24px;
        flex-wrap: wrap;
    }
    .cta-block h2 {
        color: #FFFFFF;
        font-size: 26px;
        font-weight: 700;
        margin-bottom: 6px;
    }
    .cta-block p {
        color: rgba(237,242,238,0.8);
        margin-bottom: 0;
        font-size: 15px;
    }
    .cta-block .btn {
        flex-shrink: 0;
    }
    .footer {
        background: var(--primary-deep);
        color: rgba(237,242,238,0.78);
        padding: 56px 0 24px;
        font-size: 14px;
    }
    .footer-grid {
        display: grid;
        grid-template-columns: 2fr 1fr 1fr 1.2fr;
        gap: 32px;
        margin-bottom: 36px;
    }
    .footer-brand .logo {
        color: #FFFFFF;
        margin-bottom: 10px;
        font-size: 16px;
    }
    .footer-brand p {
        font-size: 13px;
        line-height: 1.7;
        margin-bottom: 0;
    }
    .footer h3 {
        color: #FFFFFF;
        font-size: 15px;
        font-weight: 700;
        margin-bottom: 12px;
    }
    .footer ul {
        list-style: none;
        padding: 0;
        margin: 0;
        display: flex;
        flex-direction: column;
        gap: 6px;
    }
    .footer ul a {
        color: rgba(237,242,238,0.72);
        font-size: 14px;
    }
    .footer ul a:hover {
        color: var(--accent-light);
    }
    .footer-contact p {
        font-size: 13px;
        margin-bottom: 6px;
        line-height: 1.6;
    }
    .footer-bottom {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        flex-wrap: wrap;
        border-top: 1px solid rgba(255,255,255,0.12);
        padding-top: 20px;
        font-size: 13px;
    }
    .footer-bottom a {
        color: rgba(237,242,238,0.72);
    }
    .footer-bottom a:hover {
        color: var(--accent-light);
    }
    .empty-state {
        text-align: center;
        padding: 40px 20px;
        background: var(--surface-muted);
        border-radius: var(--radius-card);
        color: var(--text-weak);
        font-size: 15px;
    }
    @media (max-width: 1024px) {
        .card-grid {
            grid-template-columns: repeat(2, 1fr);
        }
        .card-grid.two-col {
            grid-template-columns: 1fr;
        }
        .card-grid.three-col {
            grid-template-columns: repeat(2, 1fr);
        }
        .steps-horizontal {
            grid-template-columns: repeat(2, 1fr);
        }
        .news-grid {
            grid-template-columns: repeat(2, 1fr);
        }
        .footer-grid {
            grid-template-columns: 1fr 1fr;
        }
        .split-layout {
            grid-template-columns: 1fr;
            gap: 24px;
        }
        .split-layout.reverse {
            direction: ltr;
        }
        .page-hero h1 {
            font-size: 30px;
        }
    }
    @media (max-width: 768px) {
        .section {
            padding: 48px 0;
        }
        .page-hero {
            padding: 40px 0 36px;
        }
        .page-hero h1 {
            font-size: 26px;
        }
        .main-nav {
            display: none;
            position: absolute;
            top: 72px;
            left: 0;
            right: 0;
            background: var(--content-bg);
            flex-direction: column;
            gap: 0;
            padding: 8px 16px 16px;
            border-bottom: 1px solid var(--divider);
            box-shadow: var(--shadow-card);
        }
        .main-nav.open {
            display: flex;
        }
        .main-nav a {
            padding: 12px 4px;
            border-bottom: 1px solid var(--divider);
            width: 100%;
        }
        .main-nav a.active::after {
            display: none;
        }
        .nav-toggle {
            display: flex;
        }
        .header-actions .btn {
            padding: 10px 16px;
            font-size: 14px;
        }
        .card-grid {
            grid-template-columns: 1fr;
        }
        .card-grid.two-col {
            grid-template-columns: 1fr;
        }
        .card-grid.three-col {
            grid-template-columns: 1fr;
        }
        .steps-horizontal {
            grid-template-columns: 1fr;
        }
        .news-grid {
            grid-template-columns: 1fr;
        }
        .footer-grid {
            grid-template-columns: 1fr;
            gap: 24px;
        }
        .cta-block {
            flex-direction: column;
            align-items: flex-start;
            padding: 28px 22px;
        }
        .cta-block .btn {
            width: 100%;
        }
    }
    @media (max-width: 520px) {
        .container {
            width: min(100% - 24px, var(--container));
        }
        .section {
            padding: 36px 0;
        }
        .page-hero h1 {
            font-size: 22px;
        }
        .page-hero .lead {
            font-size: 15px;
        }
        .header-inner {
            gap: 12px;
            min-height: 60px;
        }
        .logo {
            font-size: 15px;
        }
        .header-actions .btn {
            padding: 8px 12px;
            font-size: 13px;
            white-space: nowrap;
        }
        .nav-toggle {
            padding: 6px;
        }
        .btn {
            padding: 10px 16px;
            font-size: 14px;
        }
        .cta-block h2 {
            font-size: 20px;
        }
    }

/* roulang page: category3 */
:root {
            --primary: #143C36;
            --primary-deep: #0E2D28;
            --primary-soft: #1B5147;
            --accent: #C59A5C;
            --accent-light: #E2C394;
            --bg: #F6F1E7;
            --content-bg: #FFFFFF;
            --surface-muted: #F7F8F7;
            --text: #1B1D1A;
            --text-secondary: #555A50;
            --text-weak: #7A7D72;
            --border: #E4DED1;
            --divider: #EEE8DB;
            --success: #2F7D5B;
            --risk: #B45A3C;
            --shadow-sm: 0 1px 2px rgba(20,60,54,0.04);
            --shadow-card: 0 8px 24px rgba(20,60,54,0.10);
            --focus-ring: 0 0 0 2px rgba(197,154,92,0.45);
            --radius-card: 12px;
            --radius-btn: 10px;
            --radius-input: 8px;
            --radius-badge: 999px;
            --container: 1200px;
            --font-sans: "PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
            --font-mono: "SFMono-Regular","Roboto Mono","Noto Sans Mono",monospace;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            margin: 0;
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 150ms ease, opacity 150ms ease, border-color 150ms ease;
        }
        a:hover {
            color: var(--accent);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        summary:focus-visible {
            outline: none;
            box-shadow: var(--focus-ring);
            border-radius: 4px;
        }
        button,
        input,
        select {
            font-family: inherit;
            font-size: inherit;
        }
        .container {
            width: min(100% - 32px, var(--container));
            margin-inline: auto;
        }
        .section {
            padding: 72px 0;
        }
        .section-muted {
            background: var(--content-bg);
            border-top: 1px solid var(--divider);
            border-bottom: 1px solid var(--divider);
        }
        .section-dark {
            background: var(--primary);
            color: #EDF2EE;
        }
        .section-dark h2,
        .section-dark h3 {
            color: #FFFFFF;
        }
        .section-title {
            max-width: 760px;
            margin-bottom: 36px;
        }
        .section-title .eyebrow {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.08em;
            color: var(--accent);
            background: rgba(197,154,92,0.12);
            border: 1px solid rgba(197,154,92,0.28);
            padding: 4px 12px;
            border-radius: var(--radius-badge);
            margin-bottom: 10px;
        }
        .section-title p {
            color: var(--text-secondary);
            max-width: 720px;
            margin-bottom: 0;
        }
        .section-dark .section-title p {
            color: rgba(237,242,238,0.78);
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 22px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 15px;
            line-height: 1.4;
            border: 1px solid transparent;
            cursor: pointer;
            transition: background-color 150ms ease, color 150ms ease, border-color 150ms ease, transform 150ms ease, box-shadow 150ms ease;
            text-align: center;
        }
        .btn:hover {
            text-decoration: none;
        }
        .btn:active {
            transform: translateY(1px);
        }
        .btn-primary {
            background: var(--primary);
            color: #FFFFFF;
            border-color: var(--primary);
            box-shadow: 0 2px 8px rgba(20,60,54,0.18);
        }
        .btn-primary:hover {
            background: var(--primary-deep);
            border-color: var(--primary-deep);
            color: #FFFFFF;
            box-shadow: 0 6px 16px rgba(20,60,54,0.22);
        }
        .btn-accent {
            background: var(--accent);
            color: #1B1D1A;
            border-color: var(--accent);
        }
        .btn-accent:hover {
            background: #B58A4B;
            color: #FFFFFF;
            border-color: #B58A4B;
        }
        .btn-outline-light {
            background: transparent;
            color: #FFFFFF;
            border-color: rgba(255,255,255,0.55);
        }
        .btn-outline-light:hover {
            background: rgba(255,255,255,0.10);
            border-color: #FFFFFF;
            color: #FFFFFF;
        }
        .btn-outline-dark {
            background: transparent;
            color: var(--primary);
            border-color: var(--border);
        }
        .btn-outline-dark:hover {
            background: var(--surface-muted);
            border-color: var(--primary);
            color: var(--primary);
        }
        .btn-block {
            width: 100%;
        }
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 11px;
            border-radius: var(--radius-badge);
            font-size: 12px;
            font-weight: 600;
            line-height: 1.6;
            background: rgba(20,60,54,0.07);
            color: var(--primary);
            border: 1px solid rgba(20,60,54,0.14);
        }
        .badge-accent {
            background: rgba(197,154,92,0.16);
            color: #8A5E2A;
            border-color: rgba(197,154,92,0.32);
        }
        .badge-risk {
            background: rgba(180,90,60,0.10);
            color: var(--risk);
            border-color: rgba(180,90,60,0.25);
        }
        .badge-success {
            background: rgba(47,125,91,0.10);
            color: var(--success);
            border-color: rgba(47,125,91,0.25);
        }
        .header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255,255,255,0.96);
            border-bottom: 1px solid var(--divider);
            backdrop-filter: blur(8px);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            min-height: 72px;
        }
        .logo {
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -0.01em;
            white-space: nowrap;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .logo:hover {
            color: var(--primary);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .main-nav a {
            padding: 8px 14px;
            border-radius: 8px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
        }
        .main-nav a:hover {
            color: var(--primary);
            background: var(--surface-muted);
        }
        .main-nav a.active {
            color: var(--primary);
            background: rgba(20,60,54,0.07);
            font-weight: 600;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: 0;
            padding: 8px;
            cursor: pointer;
        }
        .nav-toggle span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transition: transform 150ms ease, opacity 150ms ease;
        }
        .nav-toggle[aria-expanded="true"] span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-toggle[aria-expanded="true"] span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle[aria-expanded="true"] span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            font-size: 14px;
            color: var(--text-weak);
            margin-bottom: 16px;
        }
        .breadcrumb a {
            color: var(--text-weak);
        }
        .breadcrumb a:hover {
            color: var(--accent);
        }
        .breadcrumb .sep {
            color: var(--border);
        }
        .hero-page {
            background: var(--primary);
            color: #EDF2EE;
            padding: 56px 0 64px;
        }
        .hero-page h1 {
            color: #FFFFFF;
            font-size: 36px;
            font-weight: 700;
            line-height: 1.3;
            margin: 0 0 16px;
            letter-spacing: -0.01em;
        }
        .hero-page .lead {
            font-size: 17px;
            color: rgba(237,242,238,0.82);
            max-width: 720px;
            margin: 0;
        }
        .hero-page .breadcrumb a {
            color: rgba(237,242,238,0.6);
        }
        .hero-page .breadcrumb a:hover {
            color: var(--accent-light);
        }
        .hero-page .breadcrumb {
            color: rgba(237,242,238,0.65);
        }
        .card {
            background: var(--content-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            transition: transform 150ms ease, box-shadow 150ms ease;
        }
        .card:hover {
            box-shadow: var(--shadow-card);
            transform: translateY(-2px);
        }
        .card-body {
            padding: 24px;
        }
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .fee-panel {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: start;
        }
        .fee-panel img {
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
        }
        .fee-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .fee-list li {
            display: flex;
            gap: 14px;
            align-items: flex-start;
            padding: 16px;
            background: var(--surface-muted);
            border-radius: 10px;
            border-left: 3px solid var(--primary);
        }
        .fee-list .icon {
            flex-shrink: 0;
            width: 32px;
            height: 32px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--primary);
            color: #FFFFFF;
            font-size: 14px;
            font-weight: 700;
            border-radius: 8px;
        }
        .fee-list h3 {
            font-size: 17px;
            font-weight: 600;
            margin: 0 0 4px;
            color: var(--text);
        }
        .fee-list p {
            margin: 0;
            font-size: 14px;
            color: var(--text-secondary);
        }
        .table-wrap {
            overflow-x: auto;
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
            background: var(--content-bg);
        }
        table.cost-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 640px;
        }
        table.cost-table th,
        table.cost-table td {
            padding: 14px 18px;
            text-align: left;
            border-bottom: 1px solid var(--divider);
            font-size: 14px;
        }
        table.cost-table th {
            background: var(--surface-muted);
            font-weight: 600;
            color: var(--primary);
            white-space: nowrap;
        }
        table.cost-table td {
            color: var(--text-secondary);
        }
        table.cost-table .num {
            font-family: var(--font-mono);
            font-weight: 600;
            color: var(--text);
        }
        .note-line {
            font-size: 13px;
            color: var(--text-weak);
            margin-top: 10px;
            text-align: right;
        }
        .hidden-fee-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .hidden-fee-list .item {
            display: flex;
            gap: 14px;
            align-items: flex-start;
            padding: 18px 20px;
            background: var(--content-bg);
            border-radius: 10px;
            border: 1px solid var(--border);
            border-left: 4px solid var(--accent);
        }
        .hidden-fee-list .item h3 {
            font-size: 16px;
            font-weight: 600;
            margin: 0 0 4px;
            color: var(--text);
        }
        .hidden-fee-list .item p {
            margin: 0;
            font-size: 14px;
            color: var(--text-secondary);
        }
        .settle-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .settle-card {
            background: var(--content-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 22px;
            text-align: center;
        }
        .settle-card .num {
            font-family: var(--font-mono);
            font-size: 24px;
            font-weight: 700;
            color: var(--accent);
            display: block;
            margin-bottom: 8px;
        }
        .settle-card h3 {
            font-size: 16px;
            font-weight: 600;
            margin: 0 0 6px;
        }
        .settle-card p {
            font-size: 13px;
            color: var(--text-secondary);
            margin: 0;
        }
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-list details {
            background: var(--content-bg);
            border: 1px solid var(--border);
            border-radius: 10px;
            overflow: hidden;
            transition: border-color 150ms ease;
        }
        .faq-list details[open] {
            border-color: var(--primary);
        }
        .faq-list summary {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 16px 20px;
            cursor: pointer;
            font-weight: 600;
            font-size: 15px;
            color: var(--text);
            list-style: none;
        }
        .faq-list summary::-webkit-details-marker {
            display: none;
        }
        .faq-list summary .icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(20,60,54,0.07);
            border-radius: 50%;
            color: var(--primary);
            font-size: 16px;
            transition: transform 150ms ease;
        }
        .faq-list details[open] summary .icon {
            transform: rotate(45deg);
            background: var(--primary);
            color: #FFFFFF;
        }
        .faq-list .answer {
            padding: 0 20px 20px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .risk-banner {
            background: rgba(180,90,60,0.07);
            border: 1px solid rgba(180,90,60,0.22);
            border-radius: var(--radius-card);
            padding: 24px 28px;
        }
        .risk-banner h2 {
            color: var(--risk);
            font-size: 20px;
            font-weight: 700;
            margin: 0 0 12px;
        }
        .risk-banner ul {
            padding-left: 20px;
            margin: 0;
            color: var(--text-secondary);
            font-size: 14px;
        }
        .risk-banner li {
            margin-bottom: 8px;
        }
        .cta-section {
            background: var(--primary);
            color: #EDF2EE;
            padding: 64px 0;
        }
        .cta-section h2 {
            color: #FFFFFF;
            font-size: 28px;
            font-weight: 700;
            margin: 0 0 12px;
        }
        .cta-section p {
            color: rgba(237,242,238,0.8);
            max-width: 640px;
            margin: 0 0 24px;
        }
        .apply-form {
            background: var(--content-bg);
            padding: 28px;
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
            max-width: 560px;
            width: 100%;
        }
        .apply-form h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 16px;
        }
        .form-group {
            margin-bottom: 14px;
        }
        .form-group label {
            display: block;
            font-size: 14px;
            font-weight: 500;
            color: var(--text);
            margin-bottom: 6px;
        }
        .form-group input,
        .form-group select {
            width: 100%;
            padding: 10px 14px;
            border: 1px solid var(--border);
            border-radius: var(--radius-input);
            background: var(--bg);
            font-size: 14px;
            color: var(--text);
            transition: border-color 150ms ease, box-shadow 150ms ease;
        }
        .form-group input:focus,
        .form-group select:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: var(--focus-ring);
        }
        .news-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .news-card {
            background: var(--content-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: transform 150ms ease, box-shadow 150ms ease;
        }
        .news-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-card);
        }
        .news-card .thumb {
            aspect-ratio: 16/9;
            overflow: hidden;
            background: var(--surface-muted);
        }
        .news-card .thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .news-card .body {
            padding: 18px 20px;
        }
        .news-card .body h3 {
            font-size: 17px;
            font-weight: 600;
            margin: 0 0 8px;
            line-height: 1.5;
        }
        .news-card .body h3 a {
            color: var(--text);
        }
        .news-card .body h3 a:hover {
            color: var(--accent);
        }
        .news-card .body p {
            font-size: 13px;
            color: var(--text-secondary);
            margin: 0 0 10px;
            line-height: 1.6;
        }
        .news-card .meta {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 12px;
            color: var(--text-weak);
        }
        .footer {
            background: var(--primary-deep);
            color: rgba(237,242,238,0.8);
            padding: 56px 0 20px;
        }
        .footer a {
            color: rgba(237,242,238,0.8);
            font-size: 14px;
        }
        .footer a:hover {
            color: var(--accent-light);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand .logo {
            color: #FFFFFF;
            font-size: 20px;
            margin-bottom: 12px;
        }
        .footer-brand p {
            font-size: 13px;
            line-height: 1.7;
            color: rgba(237,242,238,0.65);
            margin: 0;
        }
        .footer h3 {
            font-size: 15px;
            font-weight: 600;
            color: #FFFFFF;
            margin: 0 0 14px;
        }
        .footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-contact p {
            font-size: 13px;
            margin: 0 0 8px;
            color: rgba(237,242,238,0.65);
        }
        .footer-bottom {
            border-top: 1px solid rgba(237,242,238,0.15);
            padding-top: 16px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 13px;
            color: rgba(237,242,238,0.55);
        }
        .footer-bottom a {
            font-size: 13px;
            color: rgba(237,242,238,0.55);
        }
        .back-to-top {
            white-space: nowrap;
        }
        @media (max-width: 1024px) {
            .grid-3,
            .settle-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .news-list {
                grid-template-columns: repeat(2, 1fr);
            }
            .fee-panel {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .section {
                padding: 48px 0;
            }
            .hero-page {
                padding: 40px 0 48px;
            }
            .hero-page h1 {
                font-size: 28px;
            }
            .grid-3,
            .settle-grid,
            .grid-2,
            .news-list {
                grid-template-columns: 1fr;
            }
            .header-actions .btn {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .main-nav {
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                background: #FFFFFF;
                flex-direction: column;
                align-items: stretch;
                padding: 12px 16px 20px;
                gap: 4px;
                border-bottom: 1px solid var(--divider);
                display: none;
                box-shadow: 0 12px 24px rgba(20,60,54,0.08);
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                padding: 12px 14px;
                font-size: 15px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .cta-section h2 {
                font-size: 24px;
            }
        }
        @media (max-width: 520px) {
            .hero-page h1 {
                font-size: 24px;
            }
            .hero-page .lead {
                font-size: 15px;
            }
            .btn {
                padding: 10px 16px;
                font-size: 14px;
            }
            .apply-form {
                padding: 20px;
            }
            .risk-banner {
                padding: 18px;
            }
            .settle-card {
                padding: 16px;
            }
        }