/* roulang page: index */
:root {
        --primary: #0D5C47;
        --primary-deep: #092E25;
        --primary-light: #EAF2ED;
        --accent: #E56A3F;
        --accent-dark: #C94A24;
        --neutral-bg: #F7F9F6;
        --white: #FFFFFF;
        --footer-bg: #0F1D18;
        --text: #1C2924;
        --text-secondary: #4C5F56;
        --text-muted: #7B8B83;
        --border: #DCE5DF;
        --gold: #B68C42;
        --danger: #A6412D;
        --radius: 14px;
        --radius-sm: 8px;
        --radius-full: 999px;
        --shadow-sm: 0 1px 2px rgba(15, 45, 35, 0.05), 0 8px 24px rgba(15, 45, 35, 0.06);
        --shadow-lg: 0 16px 40px rgba(15, 45, 35, 0.12);
        --gap-section: 96px;
        --ease: cubic-bezier(0.22, 1, 0.36, 1);
    }

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

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

    body {
        margin: 0;
        font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans SC", sans-serif;
        background: var(--neutral-bg);
        color: var(--text);
        font-size: 16px;
        line-height: 1.75;
        -webkit-font-smoothing: antialiased;
        text-rendering: optimizeLegibility;
    }
    body.no-scroll { overflow: hidden; }

    img { max-width: 100%; display: block; }
    a { color: inherit; text-decoration: none; transition: color 0.25s ease; }
    ul, ol, p, figure, h1, h2, h3, h4, h5 { margin: 0; }
    button { font-family: inherit; border: 0; cursor: pointer; background: none; }
    input { font-family: inherit; }

    h1, h2, h3 {
        font-weight: 700;
        line-height: 1.28;
        color: var(--text);
    }

    .container {
        max-width: 1280px;
        margin: 0 auto;
        padding: 0 24px;
    }

    .section-pad { padding: 90px 0; }
    .section-pad-sm { padding: 64px 0; }

    .section-head {
        margin-bottom: 48px;
        max-width: 920px;
    }
    .section-head.is-center {
        margin-left: auto;
        margin-right: auto;
        text-align: center;
    }
    .section-eyebrow {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        font-size: 14px;
        font-weight: 600;
        color: var(--primary);
        background: rgba(13, 92, 71, 0.08);
        border-radius: var(--radius-full);
        padding: 6px 16px;
        margin-bottom: 18px;
        letter-spacing: 0.06em;
    }
    .section-eyebrow::before {
        content: "";
        width: 6px;
        height: 6px;
        border-radius: 50%;
        background: var(--accent);
    }
    .section-title {
        font-size: clamp(26px, 3vw, 34px);
        font-weight: 700;
        margin-bottom: 12px;
        letter-spacing: -0.02em;
    }
    .section-desc {
        font-size: 16px;
        color: var(--text-secondary);
        max-width: 760px;
        line-height: 1.8;
    }
    .section-head.is-center .section-desc { margin-left: auto; margin-right: auto; }

    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        height: 46px;
        padding: 0 28px;
        border-radius: var(--radius-full);
        font-size: 15px;
        font-weight: 600;
        line-height: 1;
        transition: all 0.3s var(--ease);
        white-space: nowrap;
    }
    .btn-primary {
        background: var(--accent);
        color: #fff;
        box-shadow: 0 4px 14px rgba(229, 106, 63, 0.22);
    }
    .btn-primary:hover {
        background: var(--accent-dark);
        transform: translateY(-1px);
        color: #fff;
        box-shadow: 0 8px 22px rgba(201, 74, 36, 0.28);
    }
    .btn-outline {
        background: transparent;
        color: var(--text);
        border: 1px solid var(--border);
    }
    .btn-outline:hover {
        border-color: var(--primary);
        color: var(--primary);
        transform: translateY(-1px);
    }
    .btn-white {
        background: #fff;
        color: var(--primary-deep);
    }
    .btn-white:hover { box-shadow: 0 12px 28px rgba(255, 255, 255, 0.2); color: var(--primary); transform: translateY(-1px); }
    .btn-lg { height: 54px; padding: 0 38px; font-size: 16px; }

    .text-link {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        font-weight: 600;
        color: var(--primary);
        border-bottom: 1px solid transparent;
        transition: border-color 0.25s;
    }
    .text-link:hover { border-color: var(--primary); }
    .text-link svg { transition: transform 0.25s ease; }
    .text-link:hover svg { transform: translateX(3px); }

    .tag {
        display: inline-block;
        padding: 4px 12px;
        background: rgba(255, 255, 255, 0.92);
        color: var(--primary);
        border-radius: var(--radius-full);
        font-size: 12px;
        font-weight: 600;
        letter-spacing: 0.04em;
    }
    .tag-light {
        background: var(--primary-light);
        color: var(--primary);
    }
    .tag-accent {
        background: var(--accent);
        color: #fff;
    }

    /* ============ Header / Nav ============ */
    .site-header {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        z-index: 80;
        background: rgba(255, 255, 255, 0.96);
        backdrop-filter: blur(10px);
        border-bottom: 1px solid transparent;
        transition: border-color 0.3s, box-shadow 0.3s, background 0.3s;
    }
    .site-header.is-scrolled {
        border-bottom-color: rgba(220, 229, 223, 0.8);
        box-shadow: var(--shadow-sm);
    }

    .header-inner {
        display: flex;
        align-items: center;
        gap: 16px;
        min-height: 78px;
        position: relative;
    }

    .header-brand {
        flex: 0 0 auto;
        display: flex;
        align-items: center;
        margin-right: 10px;
    }
    .brand-logo {
        width: 42px;
        height: 42px;
        border-radius: 12px;
        background: var(--primary);
        color: #fff;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 22px;
        font-weight: 800;
        margin-right: 10px;
        box-shadow: 0 6px 14px rgba(13, 92, 71, 0.18);
    }
    .brand-text {
        display: flex;
        flex-direction: column;
        line-height: 1.2;
        font-weight: 800;
        font-size: 19px;
        color: var(--primary-deep);
        white-space: nowrap;
    }
    .brand-text small {
        font-size: 11px;
        font-weight: 600;
        color: var(--accent);
        letter-spacing: 0.18em;
    }

    .nav-search {
        flex: 1 1 auto;
        display: flex;
        justify-content: center;
        min-width: 0;
        padding: 0 8px;
    }
    .search-form {
        width: min(560px, 100%);
        height: 46px;
        display: flex;
        align-items: center;
        background: #fff;
        border: 1px solid var(--border);
        border-radius: var(--radius-full);
        padding: 0 6px 0 20px;
        transition: border-color 0.3s, box-shadow 0.3s;
    }
    .search-form:focus-within {
        border-color: var(--primary);
        box-shadow: 0 0 0 4px rgba(13, 92, 71, 0.12);
    }
    .search-form svg {
        color: var(--text-muted);
        flex: 0 0 auto;
    }
    .search-form input {
        border: 0;
        outline: none;
        background: transparent;
        flex: 1 1 auto;
        min-width: 0;
        padding: 0 12px;
        font-size: 14px;
    }
    .search-form input::placeholder { color: #9BA8A2; }
    .search-btn {
        height: 36px;
        padding: 0 20px;
        border-radius: var(--radius-full);
        background: var(--primary);
        color: #fff;
        font-size: 14px;
        font-weight: 600;
        transition: background 0.25s;
    }
    .search-btn:hover { background: var(--primary-deep); }

    .header-nav {
        flex: 0 0 auto;
        display: flex;
        align-items: center;
    }
    .site-nav-list {
        display: flex;
        align-items: center;
        list-style: none;
        margin: 0;
        gap: 2px;
    }
    .site-nav-list a {
        display: inline-flex;
        align-items: center;
        height: 44px;
        padding: 0 16px;
        font-size: 15px;
        font-weight: 500;
        border-radius: var(--radius-full);
        color: var(--text);
        transition: background 0.25s, color 0.25s;
    }
    .site-nav-list a:hover { color: var(--primary); background: rgba(13, 92, 71, 0.07); }
    .site-nav-list a.active { background: var(--primary); color: #fff; font-weight: 600; }

    .nav-cta {
        height: 42px;
        padding: 0 22px;
        border-radius: var(--radius-full);
        background: var(--primary);
        color: #fff;
        display: inline-flex;
        align-items: center;
        font-size: 14px;
        font-weight: 600;
        margin-left: 12px;
        transition: background 0.25s, transform 0.3s;
    }
    .nav-cta:hover { background: var(--primary-deep); color: #fff; transform: translateY(-1px); }

    .header-nav-toggle {
        display: none;
        width: 44px;
        height: 44px;
        border-radius: 10px;
        background: var(--primary-light);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 5px;
        margin-left: 4px;
    }
    .header-nav-toggle span {
        width: 20px;
        height: 2px;
        background: var(--primary);
        border-radius: 99px;
        transition: transform 0.3s, opacity 0.3s;
    }
    .header-nav-toggle.is-active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
    .header-nav-toggle.is-active span:nth-child(2) { opacity: 0; }
    .header-nav-toggle.is-active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

    /* ============ Hero ============ */
    .hero-section {
        position: relative;
        background: var(--neutral-bg);
        padding: 120px 0 90px;
        overflow: hidden;
    }
    .hero-bg {
        position: absolute;
        inset: 0;
        background-image: url('/assets/images/backpic/back-2.png');
        background-size: cover;
        background-position: center;
        opacity: 0.08;
        pointer-events: none;
    }
    .hero-bg::after {
        content: "";
        position: absolute;
        inset: 0;
        background: linear-gradient(90deg, rgba(247, 249, 246, 0.96) 0%, rgba(247, 249, 246, 0.76) 58%, rgba(247, 249, 246, 0.2) 100%);
    }
    .hero-section .container { position: relative; }
    .hero-grid { display: flex; align-items: center; row-gap: 40px; }

    .hero-eyebrow {
        display: inline-flex;
        align-items: center;
        gap: 10px;
        color: var(--text-secondary);
        font-size: 14px;
        font-weight: 600;
        letter-spacing: 0.06em;
        background: #fff;
        border: 1px solid var(--border);
        border-radius: var(--radius-full);
        padding: 8px 18px;
        margin-bottom: 28px;
        box-shadow: var(--shadow-sm);
    }
    .hero-eyebrow::before {
        content: "";
        width: 8px;
        height: 8px;
        border-radius: 50%;
        background: var(--accent);
    }
    .hero-title {
        font-size: clamp(34px, 5.2vw, 66px);
        font-weight: 800;
        letter-spacing: -0.03em;
        line-height: 1.14;
        color: var(--primary-deep);
        margin-bottom: 26px;
    }
    .hero-subtitle {
        font-size: clamp(16px, 1.4vw, 19px);
        line-height: 1.85;
        color: var(--text-secondary);
        max-width: 560px;
        margin-bottom: 34px;
    }
    .hero-actions {
        display: flex;
        flex-wrap: wrap;
        gap: 16px 20px;
        align-items: center;
    }

    .hero-visual {
        position: relative;
    }
    .hero-photo {
        position: relative;
        border-radius: 22px;
        overflow: hidden;
        margin-left: 24px;
        box-shadow: 0 24px 70px rgba(9, 46, 37, 0.2);
    }
    .hero-photo img {
        width: 100%;
        height: 480px;
        object-fit: cover;
        border-radius: 22px;
        transform: scale(1);
        transition: transform 1.2s var(--ease);
    }
    .hero-section:hover .hero-photo img { transform: scale(1.02); }
    .hero-photo::after {
        content: "";
        position: absolute;
        inset: 0;
        background: linear-gradient(0deg, rgba(9, 46, 37, 0.18) 0%, rgba(9, 46, 37, 0) 42%);
        border-radius: 22px;
    }
    .hero-photo-caption {
        position: absolute;
        left: 18px;
        right: 18px;
        bottom: 18px;
        z-index: 2;
        color: #fff;
    }

    /* ============ Stats ============ */
    .stat-strip {
        border-top: 1px solid var(--border);
        border-bottom: 1px solid var(--border);
        background: #fff;
        padding: 52px 0;
    }
    .stat-row { row-gap: 30px; }
    .stat-item { border-left: 1px solid var(--border); padding: 6px 26px; }
    .stat-item:first-child { border-left: 0; }
    .stat-num {
        font-size: 38px;
        font-weight: 800;
        letter-spacing: -0.02em;
        color: var(--primary);
        display: block;
        line-height: 1.1;
    }
    .stat-label {
        color: var(--text-secondary);
        font-size: 14px;
    }

    /* ============ Feature Bento ============ */
    .feature-section { background: #fff; }
    .bento-row { row-gap: 24px; }

    .feature-card {
        height: 100%;
        min-height: 240px;
        border-radius: var(--radius);
        overflow: hidden;
        position: relative;
        display: flex;
        border: 1px solid var(--border);
        transition: box-shadow 0.35s, transform 0.35s;
    }
    .feature-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
    .feature-card.is-media {
        color: #fff;
        border: 0;
        background: var(--primary-light);
        min-height: 360px;
    }
    .feature-card.is-media::before {
        content: "";
        position: absolute;
        inset: 0;
        background: linear-gradient(0deg, rgba(6, 30, 24, 0.82) 0%, rgba(6, 30, 24, 0.08) 68%);
        z-index: 1;
    }
    .media-bg {
        position: absolute;
        inset: 0;
        background-size: cover;
        background-position: center;
        transform: scale(1.01);
        transition: transform 0.8s var(--ease);
    }
    .feature-card:hover .media-bg { transform: scale(1.06); }
    .feature-inner {
        position: relative;
        z-index: 2;
        display: flex;
        flex-direction: column;
        justify-content: flex-end;
        padding: 28px;
        width: 100%;
    }
    .feature-card:not(.is-media) .feature-inner {
        background: var(--primary-light);
        justify-content: flex-start;
    }
    .feature-num {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 38px;
        height: 38px;
        border-radius: 12px;
        background: rgba(13, 92, 71, 0.14);
        color: var(--primary);
        font-size: 14px;
        font-weight: 800;
        margin-bottom: 22px;
    }
    .feature-card.is-media .feature-num {
        background: rgba(255, 255, 255, 0.2);
        color: #fff;
        margin-bottom: 12px;
    }
    .feature-label {
        font-size: 12px;
        font-weight: 700;
        letter-spacing: 0.08em;
        text-transform: uppercase;
        color: var(--text-muted);
        margin-bottom: 8px;
    }
    .feature-card.is-media .feature-label { color: rgba(255, 255, 255, 0.82); }
    .feature-title {
        font-size: 21px;
        font-weight: 700;
        margin-bottom: 10px;
    }
    .feature-text {
        font-size: 15px;
        color: var(--text-secondary);
        max-width: 480px;
        line-height: 1.7;
    }
    .feature-card.is-media .feature-text { color: rgba(255, 255, 255, 0.86); }

    .card-entry-list {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
        margin-top: 18px;
        list-style: none;
        padding: 0;
    }
    .card-entry-list a {
        color: var(--primary);
        background: #fff;
        border: 1px solid var(--border);
        padding: 5px 13px;
        border-radius: var(--radius-full);
        font-size: 13px;
        transition: all 0.25s;
    }
    .card-entry-list a:hover {
        background: var(--primary);
        color: #fff;
        border-color: var(--primary);
    }

    .stack-group > .feature-card { margin-bottom: 24px; }
    .stack-group > .feature-card:last-child { margin-bottom: 0; }
    .stack-slot {
        display: flex;
        align-items: center;
        gap: 18px;
    }
    .stack-slot .icon-badge {
        width: 44px;
        height: 44px;
        flex: 0 0 auto;
        border-radius: 14px;
        background: #fff;
        color: var(--primary);
        display: flex;
        align-items: center;
        justify-content: center;
        box-shadow: var(--shadow-sm);
    }
    .stack-slot h3 { font-size: 18px; margin-bottom: 5px; }
    .stack-slot p { font-size: 14px; color: var(--text-secondary); }

    /* ============ Usage Scenarios ============ */
    .scenario-section { background: var(--neutral-bg); }
    .scenario-row {
        padding: 64px 0;
        border-top: 1px solid var(--border);
    }
    .scenario-row:first-of-type { border-top: 0; }
    .scenario-copy { padding: 0 20px; }
    .scenario-index {
        font-size: 14px;
        color: var(--accent);
        font-weight: 800;
        letter-spacing: 0.08em;
        margin-bottom: 16px;
    }
    .scenario-copy h3 {
        font-size: clamp(24px, 2.4vw, 32px);
        margin-bottom: 18px;
        line-height: 1.35;
    }
    .scenario-copy p {
        color: var(--text-secondary);
        line-height: 1.8;
        margin-bottom: 22px;
        max-width: 560px;
    }
    .scenario-list {
        list-style: none;
        margin: 0 0 28px;
        padding: 0;
        max-width: 560px;
    }
    .scenario-list li {
        border-bottom: 1px solid var(--border);
        padding: 12px 0;
        display: flex;
        align-items: center;
        font-size: 15px;
        color: var(--text);
    }
    .scenario-list li:last-child { border-bottom: 0; }
    .scenario-list svg {
        flex: 0 0 auto;
        margin-right: 12px;
        color: var(--primary);
    }
    .scenario-visual {
        border-radius: 20px;
        overflow: hidden;
        box-shadow: var(--shadow-lg);
        position: relative;
        min-height: 320px;
        background: var(--primary-light);
    }
    .scenario-visual img {
        width: 100%;
        height: 360px;
        object-fit: cover;
        transition: transform 0.8s var(--ease);
    }
    .scenario-row:hover .scenario-visual img { transform: scale(1.03); }

    /* ============ Topic Showcase ============ */
    .topic-section { background: #fff; }
    .topic-grid { row-gap: 24px; }
    .topic-card {
        border-radius: var(--radius);
        overflow: hidden;
        border: 1px solid var(--border);
        background: #fff;
        transition: box-shadow 0.35s, transform 0.35s;
        box-shadow: 0 1px 2px rgba(15, 45, 35, 0.03);
    }
    .topic-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
    .topic-media {
        height: 190px;
        overflow: hidden;
    }
    .topic-media img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.7s var(--ease);
    }
    .topic-card:hover .topic-media img { transform: scale(1.06); }
    .topic-body { padding: 22px 22px 24px; }
    .topic-body h3 { font-size: 19px; margin-bottom: 8px; }
    .topic-body p {
        font-size: 14px;
        color: var(--text-secondary);
        line-height: 1.7;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }
    .topic-meta {
        display: flex;
        align-items: center;
        justify-content: space-between;
        margin-top: 20px;
        font-size: 13px;
        color: var(--text-muted);
    }

    /* ============ Pricing / Service mode ============ */
    .price-section {
        background: var(--primary-light);
    }
    .price-card {
        background: var(--white);
        border: 1px solid var(--border);
        border-radius: 18px;
        padding: 34px;
        position: relative;
        height: 100%;
        display: flex;
        flex-direction: column;
        box-shadow: var(--shadow-sm);
        transition: box-shadow 0.3s, transform 0.3s;
    }
    .price-card:hover {
        box-shadow: var(--shadow-lg);
        transform: translateY(-3px);
    }
    .price-card.is-featured {
        border: 1px solid var(--primary);
        box-shadow: 0 0 0 4px rgba(13, 92, 71, 0.06), var(--shadow-lg);
    }
    .price-flag {
        position: absolute;
        top: -14px;
        right: 28px;
        background: var(--accent);
        color: #fff;
        font-size: 12px;
        font-weight: 600;
        padding: 6px 16px;
        border-radius: var(--radius-full);
    }
    .price-name { font-size: 22px; font-weight: 700; margin-bottom: 10px; }
    .price-desc { color: var(--text-secondary); font-size: 14px; margin-bottom: 24px; }
    .price-amount {
        font-size: 36px;
        font-weight: 800;
        color: var(--primary-deep);
        margin-bottom: 24px;
        display: flex;
        align-items: baseline;
        gap: 6px;
    }
    .price-amount small { font-size: 14px; font-weight: 400; color: var(--text-muted); }
    .price-list {
        list-style: none;
        margin: 0;
        padding: 0;
        border-top: 1px solid var(--border);
    }
    .price-list li {
        display: flex;
        align-items: flex-start;
        padding: 15px 0;
        border-bottom: 1px solid var(--border);
        font-size: 15px;
        color: var(--text);
        gap: 12px;
    }
    .price-list svg {
        color: var(--primary);
        flex: 0 0 auto;
        margin-top: 4px;
    }
    .price-card .btn { margin-top: auto; width: 100%; }
    .price-footnote {
        font-size: 13px;
        color: var(--text-muted);
        margin-top: 22px;
    }

    /* ============ Latest News / CMS list ============ */
    .latest-section { background: var(--neutral-bg); }
    .latest-card {
        background: #fff;
        border-radius: var(--radius);
        border: 1px solid var(--border);
        overflow: hidden;
        height: 100%;
        transition: box-shadow 0.35s, transform 0.35s;
    }
    .latest-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
    .latest-media {
        height: 180px;
        background: linear-gradient(135deg, rgba(13, 92, 71, 0.08), rgba(229, 106, 63, 0.1));
        position: relative;
        overflow: hidden;
    }
    .latest-media img { width: 100%; height: 100%; object-fit: cover; }
    .latest-placeholder {
        position: absolute;
        width: 94px;
        height: 94px;
        left: 50%;
        top: 50%;
        transform: translate(-50%, -50%) rotate(8deg);
        border-radius: 18px;
        background: linear-gradient(135deg, rgba(13, 92, 71, 0.16), rgba(13, 92, 71, 0.04));
        border: 1px solid rgba(13, 92, 71, 0.1);
    }
    .latest-media .tag {
        position: absolute;
        bottom: 12px;
        left: 14px;
        background: rgba(13, 92, 71, 0.88);
        color: #fff;
    }
    .latest-body { padding: 20px 20px 22px; }
    .latest-body h3 {
        font-size: 18px;
        line-height: 1.55;
        margin-bottom: 10px;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }
    .latest-body h3 a { display: inline; }
    .latest-snippet {
        color: var(--text-secondary);
        font-size: 14px;
        line-height: 1.65;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
        margin-bottom: 14px;
    }
    .latest-meta {
        font-size: 13px;
        color: var(--text-muted);
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding-top: 12px;
        border-top: 1px solid var(--border);
    }

    .empty-latest {
        background: #fff;
        border: 1px dashed var(--border);
        border-radius: 18px;
        padding: 70px 24px;
        text-align: center;
        color: var(--text-muted);
    }
    .empty-latest .empty-icon {
        width: 64px;
        height: 64px;
        margin: 0 auto 14px;
        border-radius: 20px;
        background: var(--primary-light);
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--primary);
    }

    /* ============ FAQ ============ */
    .faq-section { background: #fff; }
    .faq-layout { row-gap: 40px; }
    .faq-heading-side {
        padding-right: 30px;
    }
    .faq-items {
        border-top: 1px solid var(--border);
    }
    .faq-item {
        border-bottom: 1px solid var(--border);
    }
    .faq-q {
        width: 100%;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 20px;
        text-align: left;
        padding: 24px 8px;
        font-size: 17px;
        font-weight: 600;
        color: var(--text);
        transition: color 0.25s;
    }
    .faq-q:hover { color: var(--primary); }
    .faq-icon {
        position: relative;
        width: 28px;
        height: 28px;
        flex: 0 0 auto;
        border-radius: 50%;
        background: var(--primary-light);
        transition: background 0.3s, transform 0.3s;
    }
    .faq-icon::before,
    .faq-icon::after {
        content: "";
        position: absolute;
        left: 50%;
        top: 50%;
        width: 12px;
        height: 2px;
        background: var(--primary);
        border-radius: 2px;
        transform: translate(-50%, -50%);
        transition: transform 0.3s;
    }
    .faq-icon::after { transform: translate(-50%, -50%) rotate(90deg); }
    .faq-item.is-open .faq-icon { background: var(--primary); }
    .faq-item.is-open .faq-icon::before { background: #fff; transform: translate(-50%, -50%) rotate(180deg); }
    .faq-item.is-open .faq-icon::after { background: #fff; transform: translate(-50%, -50%) rotate(180deg); }
    .faq-a {
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.4s var(--ease);
    }
    .faq-a-inner {
        padding: 0 36px 26px 8px;
        color: var(--text-secondary);
        line-height: 1.8;
        font-size: 15px;
    }
    .faq-item.is-open .faq-a { max-height: 400px; }

    /* ============ Final CTA ============ */
    .cta-section {
        background: var(--footer-bg);
        color: #fff;
        padding: 76px 0;
        position: relative;
        overflow: hidden;
    }
    .cta-section::before {
        content: "";
        position: absolute;
        right: -120px;
        top: -160px;
        width: 480px;
        height: 480px;
        background: radial-gradient(circle, rgba(229, 106, 63, 0.28), transparent 68%);
        pointer-events: none;
    }
    .cta-inner { text-align: center; position: relative; z-index: 2; }
    .cta-inner h2 {
        color: #fff;
        font-size: clamp(28px, 3.4vw, 40px);
        margin-bottom: 18px;
    }
    .cta-inner p {
        color: rgba(255, 255, 255, 0.72);
        font-size: 16px;
        max-width: 620px;
        margin: 0 auto 34px;
    }
    .cta-actions {
        display: flex;
        justify-content: center;
        flex-wrap: wrap;
        gap: 16px;
    }

    /* ============ Footer ============ */
    .site-footer { background: var(--footer-bg); color: rgba(255, 255, 255, 0.72); }
    .footer-top {
        padding: 70px 0 40px;
        display: grid;
        grid-template-columns: 1.6fr 0.8fr 1fr 1.2fr;
        gap: 44px;
    }
    .footer-brand .brand-logo {
        background: #fff;
        color: var(--primary);
        margin-bottom: 18px;
    }
    .footer-brand-name {
        font-size: 22px;
        font-weight: 800;
        color: #fff;
        margin-bottom: 12px;
    }
    .footer-desc {
        color: rgba(255, 255, 255, 0.58);
        font-size: 14px;
        line-height: 1.85;
        max-width: 420px;
    }
    .footer-column h4 {
        color: #fff;
        font-size: 15px;
        margin-bottom: 18px;
        padding-bottom: 12px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.12);
    }
    .footer-links {
        list-style: none;
        margin: 0;
        padding: 0;
    }
    .footer-links li a {
        color: rgba(255, 255, 255, 0.66);
        line-height: 2.3;
        font-size: 14px;
    }
    .footer-links li a:hover { color: var(--accent); }
    .footer-contact li {
        display: flex;
        gap: 12px;
        align-items: flex-start;
        margin-bottom: 14px;
        font-size: 14px;
        line-height: 1.6;
    }
    .footer-contact svg { flex: 0 0 auto; color: var(--accent); margin-top: 3px; }
    .footer-bottom {
        border-top: 1px solid rgba(255, 255, 255, 0.12);
        padding: 24px 0;
        display: flex;
        justify-content: space-between;
        flex-wrap: wrap;
        gap: 10px 20px;
        color: rgba(255, 255, 255, 0.46);
        font-size: 13px;
    }

    /* ============ Back Top ============ */
    .back-top {
        position: fixed;
        right: 20px;
        bottom: 24px;
        width: 42px;
        height: 42px;
        border-radius: 50%;
        background: var(--primary);
        color: #fff;
        display: flex;
        align-items: center;
        justify-content: center;
        box-shadow: var(--shadow-sm);
        opacity: 0;
        pointer-events: none;
        transform: translateY(12px);
        transition: opacity 0.3s, transform 0.3s, background 0.3s;
        z-index: 30;
    }
    .back-top.is-visible {
        opacity: 1;
        pointer-events: auto;
        transform: translateY(0);
    }
    .back-top:hover {
        background: var(--primary-deep);
        color: #fff;
    }

    .flex-row-reverse { flex-direction: row-reverse; }
    .align-self-center { align-self: center; }

    /* ============ Animations ============ */
    @keyframes riseIn {
        from { opacity: 0; transform: translateY(24px); }
        to { opacity: 1; transform: translateY(0); }
    }
    .hero-copy { animation: riseIn 0.8s var(--ease) both; }
    .hero-visual { animation: riseIn 0.8s 0.15s var(--ease) both; }

    /* ============ Responsive ============ */
    @media (max-width: 1100px) {
        .header-nav a { padding: 0 12px; font-size: 14px; }
        .site-nav-list a { padding: 0 12px; }
        .nav-cta { padding: 0 16px; }
    }

    @media (max-width: 1023px) {
        .section-pad { padding: 70px 0; }
        .hero-section { padding: 140px 0 60px; }
        .header-inner {
            flex-wrap: wrap;
            gap: 10px;
            min-height: 0;
            padding-top: 12px;
            padding-bottom: 12px;
        }
        .header-brand { margin-right: auto; }
        .header-nav-toggle {
            display: inline-flex;
            flex: 0 0 auto;
        }
        .nav-search { order: 3; width: 100%; flex: 0 0 100%; padding: 0; }
        .search-form { width: 100%; }

        .main-nav {
            position: fixed;
            top: 0;
            right: 0;
            bottom: 0;
            z-index: 100;
            width: min(360px, 84vw);
            background: var(--footer-bg);
            padding: 90px 26px 30px;
            transform: translateX(100%);
            transition: transform 0.4s var(--ease);
            box-shadow: -18px 0 40px rgba(15, 29, 24, 0.18);
            overflow-y: auto;
        }
        .main-nav.is-open { transform: translateX(0); }
        .site-nav-list {
            display: flex;
            flex-direction: column;
            gap: 6px;
            margin: 0 0 28px;
        }
        .site-nav-list a {
            width: 100%;
            height: 48px;
            padding: 0 14px;
            color: rgba(255, 255, 255, 0.8);
            border-radius: 10px;
        }
        .site-nav-list a:hover {
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
        }
        .site-nav-list a.active {
            background: var(--primary);
            color: #fff;
        }
        .nav-cta { margin: 0; background: var(--accent); }
        .nav-cta:hover { background: var(--accent-dark); }

        .hero-photo { margin-left: 0; }
        .hero-photo img { height: 340px; }
        .stat-strip { padding: 38px 0; }
        .stat-item { border-left: 0; padding: 10px 0; }

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

        .topic-grid .cell { width: 50%; }
        .latest-grid .cell { width: 50%; }
        .flex-row-reverse {
            background: transparent;
        }
    }

    @media (max-width: 640px) {
        body { font-size: 15px; }
        .container { padding: 0 18px; }
        .section-pad { padding: 54px 0; }
        .section-head { margin-bottom: 28px; }

        .site-header .header-inner { padding-top: 10px; padding-bottom: 10px; }
        .brand-logo { width: 36px; height: 36px; font-size: 18px; border-radius: 10px; }
        .brand-text { font-size: 17px; }
        .brand-text small { font-size: 10px; }

        .hero-section { padding: 132px 0 44px; }
        .hero-title { font-size: 36px; }
        .hero-photo img { height: 240px; }
        .hero-subtitle { font-size: 15px; }
        .hero-actions .btn { width: auto; flex: 1 1 auto; justify-content: center; }

        .stat-num { font-size: 30px; }
        .feature-inner { padding: 20px; }
        .feature-card { min-height: 200px; }
        .feature-card.is-media { min-height: 300px; }
        .stack-slot { align-items: flex-start; }

        .scenario-row { padding: 38px 0; }
        .scenario-visual img { height: 220px; }
        .scenario-copy { padding: 0; }

        .topic-grid .cell { width: 100%; }
        .latest-grid .cell { width: 100%; }

        .price-card { margin-top: 20px; }
        .price-card:first-child { margin-top: 0; }
        .footer-top { grid-template-columns: 1fr; gap: 30px; }
        .footer-bottom { justify-content: center; text-align: center; }
        .section-desc { font-size: 15px; }
        .faq-q { align-items: flex-start; font-size: 16px; }
    }

    @media (max-width: 380px) {
        .brand-text small { letter-spacing: 0.08em; }
        .search-btn { padding: 0 14px; }
        .search-form input { padding: 0 6px 0 0; }
        .btn-lg { padding: 0 22px; }
    }

    @media (prefers-reduced-motion: reduce) {
        *,
        *::before,
        *::after {
            animation-duration: 0.01ms !important;
            animation-iteration-count: 1 !important;
            transition-duration: 0.01ms !important;
        }
        html { scroll-behavior: auto; }
    }

/* roulang page: article */
:root {
  --primary: #0D5C47;
  --primary-deep: #092E25;
  --primary-soft: #EAF2ED;
  --accent: #E56A3F;
  --accent-press: #C94A24;
  --neutral-bg: #F7F9F6;
  --white: #FFFFFF;
  --dark-footer: #0F1D18;
  --text-main: #1C2924;
  --text-sub: #4C5F56;
  --text-light: #7B8B83;
  --border: #DCE5DF;
  --gold: #B68C42;
  --radius-card: 12px;
  --radius-btn: 999px;
  --radius-img: 12px;
  --shadow-sm: 0 1px 2px rgba(15,45,35,0.05), 0 4px 12px rgba(15,45,35,0.05);
  --shadow-md: 0 2px 4px rgba(15,45,35,0.04), 0 10px 30px rgba(15,45,35,0.08);
  --shadow-lg: 0 4px 8px rgba(15,45,35,0.05), 0 20px 50px rgba(15,45,35,0.12);
  --transition: all 0.3s cubic-bezier(0.22, 1, 0.36, 1);
  --font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans SC", -apple-system, sans-serif;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  background: var(--neutral-bg);
  color: var(--text-main);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

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

ul, ol {
  list-style: none;
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  width: 92%;
}

/* ========== 顶部导航 ========== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: var(--transition);
}

.site-header.scrolled {
  border-bottom-color: var(--border);
  box-shadow: 0 1px 10px rgba(15, 45, 35, 0.06);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 16px 0;
  flex-wrap: wrap;
}

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

.brand-logo {
  width: 44px;
  height: 44px;
  background: var(--primary);
  color: #fff;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 1px;
  box-shadow: 0 4px 12px rgba(13, 92, 71, 0.25);
}

.brand-text {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  line-height: 1.2;
}

.brand-text .brand-main {
  font-size: 20px;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: 0.02em;
}

.brand-text small {
  font-size: 11px;
  color: var(--text-light);
  font-weight: 500;
  letter-spacing: 0.12em;
}

.brand-text:hover {
  color: var(--primary);
}

.nav-search {
  flex: 1;
  max-width: 540px;
  margin: 0 auto;
  min-width: 220px;
}

.search-form {
  display: flex;
  align-items: center;
  background: #f5f7f5;
  border: 1px solid var(--border);
  border-radius: var(--radius-btn);
  padding: 4px 4px 4px 18px;
  height: 48px;
  transition: var(--transition);
}

.search-form:focus-within {
  border-color: var(--primary);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(13, 92, 71, 0.1);
}

.search-form svg {
  flex-shrink: 0;
  color: var(--text-light);
}

.search-form input[type="search"] {
  flex: 1;
  border: none;
  background: transparent;
  padding: 8px 12px;
  font-size: 14px;
  color: var(--text-main);
  outline: none;
  font-family: var(--font-family);
  min-width: 0;
}

.search-form input::placeholder {
  color: #9aa8a0;
}

.search-btn {
  background: var(--primary);
  color: #fff;
  border: none;
  height: 38px;
  padding: 0 20px;
  border-radius: var(--radius-btn);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  font-family: var(--font-family);
  transition: var(--transition);
  white-space: nowrap;
}

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

.header-nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  margin-left: auto;
}

.header-nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--text-main);
  border-radius: 4px;
  transition: var(--transition);
}

.main-nav {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 12px;
  border-top: 1px solid rgba(220, 229, 223, 0.5);
}

.site-nav-list {
  display: flex;
  align-items: center;
  gap: 32px;
  flex-wrap: wrap;
}

.site-nav-list li a {
  font-size: 15px;
  color: var(--text-sub);
  font-weight: 500;
  padding: 6px 2px;
  border-bottom: 2px solid transparent;
  transition: var(--transition);
}

.site-nav-list li a:hover,
.site-nav-list li a.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

.nav-cta {
  background: var(--accent);
  color: #fff;
  border-radius: var(--radius-btn);
  padding: 9px 22px;
  font-size: 14px;
  font-weight: 600;
  transition: var(--transition);
  display: inline-block;
}

.nav-cta:hover {
  background: var(--accent-press);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(229, 106, 63, 0.3);
}

/* ========== 面包屑 ========== */
.breadcrumb-wrap {
  background: var(--white);
  border-bottom: 1px solid var(--border);
  padding: 14px 0;
}

.breadcrumb-list {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  color: var(--text-light);
}

.breadcrumb-list a {
  color: var(--text-sub);
}

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

.breadcrumb-list span.sep {
  color: #c0ccc4;
  font-size: 12px;
}

/* ========== 文章页面主体 ========== */
.article-layout {
  background: var(--white);
}

.article-header-section {
  background: var(--white);
  padding: 48px 0 32px;
  border-bottom: 1px solid var(--border);
}

.article-title {
  font-size: clamp(30px, 4.2vw, 42px);
  font-weight: 800;
  color: var(--text-main);
  line-height: 1.3;
  max-width: 860px;
  margin: 0.6em 0 0.4em;
  letter-spacing: -0.01em;
}

.article-category-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--primary-soft);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 6px;
  margin-top: 18px;
}

.article-meta-list {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 18px;
  font-size: 14px;
  color: var(--text-light);
  margin: 0;
  padding: 0;
}

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

.article-meta-list li svg {
  color: var(--primary);
  opacity: 0.7;
}

/* 正文区域 */
.article-main-wrap {
  background: var(--neutral-bg);
  padding: 40px 0;
}

.article-grid {
  display: grid;
  grid-template-columns: 1fr 200px;
  gap: 60px;
}

.article-body-content {
  background: var(--white);
  border-radius: var(--radius-card);
  padding: 56px 56px 64px;
  box-shadow: var(--shadow-sm);
  max-width: 880px;
}

.article-content {
  font-size: 16.5px;
  line-height: 1.9;
  color: #2a3831;
  word-break: break-word;
}

.article-content img {
  border-radius: var(--radius-img);
  margin: 28px auto;
}

.article-content h1,
.article-content h2,
.article-content h3,
.article-content h4 {
  color: var(--text-main);
  font-weight: 700;
  line-height: 1.4;
  margin: 1.8em 0 0.8em;
}

.article-content h1 { font-size: 28px; margin-top: 0.6em; }
.article-content h2 { font-size: 24px; border-left: 4px solid var(--primary); padding-left: 16px; }
.article-content h3 { font-size: 19px; }
.article-content h4 { font-size: 17px; }

.article-content p {
  margin-bottom: 1.8em;
}

.article-content ul,
.article-content ol {
  list-style-position: outside;
  margin: 0 0 1.8em;
  padding-left: 1.5em;
  color: #2a3831;
}

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

.article-content ul li,
.article-content ol li {
  margin-bottom: 0.6em;
  padding-left: 4px;
}

.article-content blockquote {
  border-left: 3px solid var(--primary);
  background: var(--primary-soft);
  padding: 20px 24px;
  margin: 1.8em 0;
  border-radius: 0 var(--radius-card) var(--radius-card) 0;
  color: var(--text-sub);
  font-size: 15.5px;
}

.article-content blockquote p {
  margin-bottom: 0.6em;
}
.article-content blockquote p:last-child {
  margin-bottom: 0;
}

.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.8em 0;
  font-size: 15px;
}

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

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

.article-content td {
  color: var(--text-sub);
}

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

/* 副边栏 */
.article-sidebar {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.sidebar-panel {
  background: #fff;
  border-radius: var(--radius-card);
  padding: 24px;
  box-shadow: var(--shadow-sm);
}

.sidebar-panel h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 8px;
}

.sidebar-panel h3::before {
  content: '';
  width: 3px;
  height: 16px;
  background: var(--primary);
  border-radius: 2px;
}

.sidebar-links li {
  margin-bottom: 2px;
  border-bottom: 1px dashed #edf1ed;
}

.sidebar-links li:last-child {
  border-bottom: none;
}

.sidebar-links a {
  display: block;
  padding: 10px 2px;
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.5;
  transition: var(--transition);
}

.sidebar-links a:hover {
  color: var(--primary);
  padding-left: 8px;
}

/* 标签区 */
.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 32px;
}

.article-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--primary-soft);
  color: var(--primary);
  font-size: 13px;
  font-weight: 500;
  padding: 6px 14px;
  border-radius: 6px;
  line-height: 1.5;
  text-decoration: none;
  transition: var(--transition);
}

.article-tag:hover {
  background: var(--primary);
  color: #fff;
  text-decoration: none;
}

/* ========== 相关推荐 ========== */
.related-section {
  background: var(--neutral-bg);
  padding: 64px 0;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 36px;
}

.related-card {
  background: var(--white);
  border-radius: var(--radius-card);
  overflow: hidden;
  transition: var(--transition);
  border: 1px solid transparent;
  box-shadow: var(--shadow-sm);
  height: 100%;
  display: flex;
  flex-direction: column;
}

.related-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(13, 92, 71, 0.15);
}

.related-card .related-img {
  aspect-ratio: 16 / 10;
  background: var(--primary-soft);
  overflow: hidden;
}

.related-card .related-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}

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

.related-card-body {
  padding: 18px 20px 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.related-card-body h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-main);
  line-height: 1.5;
  margin: 0;
}

.related-card-body h3 a {
  color: var(--text-main);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: var(--transition);
}

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

.related-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  color: var(--text-light);
  margin-top: auto;
}

.related-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  margin-top: 8px;
}

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

/* ========== CTA 区域 ========== */
.article-cta-band {
  background: var(--primary-deep);
  padding: 64px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-band-title {
  color: #fff;
  font-size: 30px;
  font-weight: 700;
  margin-bottom: 16px;
}

.cta-band-desc {
  color: rgba(255, 255, 255, 0.75);
  font-size: 16px;
  max-width: 620px;
  margin: 0 auto 32px;
  line-height: 1.8;
}

.cta-band-btn {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--radius-btn);
  height: 52px;
  padding: 0 36px;
  font-size: 16px;
  font-weight: 600;
  font-family: var(--font-family);
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 4px 20px rgba(229, 106, 63, 0.35);
}

.cta-band-btn:hover {
  background: var(--accent-press);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(229, 106, 63, 0.45);
  color: #fff;
}

.cta-secondary-link {
  color: rgba(255, 255, 255, 0.75);
  font-size: 14px;
  margin-left: 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.3);
  padding-bottom: 2px;
}

.cta-secondary-link:hover {
  color: #fff;
  border-bottom-color: #fff;
}

/* ========== 页脚 ========== */
.site-footer {
  background: var(--dark-footer);
  padding: 72px 0 0;
  color: rgba(255, 255, 255, 0.7);
}

.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
}

.footer-brand .brand-logo {
  width: 46px;
  height: 46px;
}

.footer-brand-name {
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.05em;
}

.footer-desc {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.55);
  max-width: 300px;
  margin-top: 4px;
}

.footer-column h4 {
  font-size: 16px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 22px;
  letter-spacing: 0.08em;
}

.footer-links li {
  margin-bottom: 6px;
}

.footer-links a {
  display: inline-block;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.8;
  transition: var(--transition);
  padding: 4px 0;
}

.footer-links a:hover {
  color: var(--accent);
  text-decoration: none;
  transform: translateX(4px);
}

.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.6;
  padding: 4px 0;
}

.footer-contact svg {
  color: rgba(255, 255, 255, 0.4);
  flex-shrink: 0;
  margin-top: 2px;
}

.footer-bottom {
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.copyright {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.35);
}

/* ========== 返回顶部 ========== */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 42px;
  height: 42px;
  background: var(--primary);
  border: none;
  border-radius: 10px;
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: var(--transition);
  box-shadow: 0 4px 16px rgba(13, 92, 71, 0.3);
}

.back-to-top.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--primary-deep);
  transform: translateY(-2px);
}

/* ========== 响应式 ========== */
@media (min-width: 1025px) {
  .header-inner {
    flex-wrap: nowrap;
  }
  
  .main-nav {
    display: flex !important;
    width: auto;
    border: none;
    padding-top: 0;
    gap: 16px;
    flex-shrink: 0;
  }
  
  .site-nav-list {
    gap: 20px;
  }
  
  .nav-search {
    order: 0;
    margin-left: auto;
    margin-right: auto;
  }
}

@media (max-width: 1024px) {
  .header-inner {
    flex-wrap: wrap;
  }
  
  .nav-search {
    order: 3;
    max-width: 100%;
    flex-basis: 100%;
    margin-top: 4px;
  }
  
  .header-nav-toggle {
    display: flex;
  }

  .main-nav {
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    width: 100%;
    background: var(--white);
    border-radius: 12px;
    margin-top: 8px;
    padding: 8px;
    box-shadow: 0 12px 40px rgba(15, 45, 35, 0.12);
  }
  
  .main-nav.open {
    display: block;
  }
  
  .site-nav-list {
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    width: 100%;
  }
  
  .site-nav-list li {
    width: 100%;
  }
  
  .site-nav-list li a {
    display: block;
    padding: 14px 12px;
    font-size: 16px;
    border-bottom: 1px solid #eef3ef;
  }
  
  .site-nav-list li a.active {
    color: var(--primary);
    background: var(--primary-soft);
    border-radius: 8px;
  }
  
  .nav-cta {
    display: block;
    text-align: center;
    margin: 12px;
    padding: 12px 18px;
  }
  
  .article-grid {
    grid-template-columns: 1fr;
  }
  
  .article-sidebar {
    display: none;
  }
  
  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .article-body-content {
    padding: 28px 22px;
  }
  
  .related-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  .footer-top {
    grid-template-columns: 1fr;
    gap: 32px;
    padding-bottom: 36px;
  }
  
  .footer-brand {
    max-width: 100%;
  }
  
  .article-title {
    margin-top: 0.8em;
  }
}

@media (max-width: 640px) {
  .container {
    width: 94%;
  }
  
  .header-inner {
    padding: 12px 0;
  }
  
  .brand-logo {
    width: 36px;
    height: 36px;
    font-size: 16px;
  }
  
  .brand-text .brand-main {
    font-size: 17px;
  }
  
  .brand-text small {
    font-size: 10px;
  }
  
  .search-form input::placeholder {
    font-size: 12px;
  }
  
  .breadcrumb-list {
    font-size: 12px;
  }
  
  .article-title {
    font-size: 24px;
    line-height: 1.4;
  }
  
  .article-content p {
    font-size: 15.5px;
  }
  
  .site-footer {
    padding-top: 48px;
  }
  
  .footer-bottom {
    flex-direction: column;
    text-align: center;
    padding: 20px 0;
  }
  
  .back-to-top {
    bottom: 20px;
    right: 20px;
  }
}

@media (max-width: 480px) {
  .nav-search {
    min-width: 100%;
  }
  
  .search-btn {
    padding: 0 14px;
    font-size: 13px;
  }
}

/* 响应式菜单按钮动画 */
.header-nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translate(0, 7px) rotate(45deg);
}
.header-nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}
.header-nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translate(0, -7px) rotate(-45deg);
}

@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
    animation: none !important;
  }
}

/* roulang page: category1 */
:root {
  --primary: #0D5C47;
  --primary-dark: #092E25;
  --primary-soft: #EAF2ED;
  --accent: #E56A3F;
  --accent-dark: #C94A24;
  --page-bg: #F7F9F6;
  --white: #FFFFFF;
  --deep: #0F1D18;
  --text: #1C2924;
  --text-sub: #4C5F56;
  --text-muted: #7B8B83;
  --divider: #DCE5DF;
  --gold: #B68C42;
  --radius: 12px;
  --radius-lg: 18px;
  --radius-sm: 6px;
  --shadow: 0 1px 2px rgba(15,45,35,.05), 0 8px 24px rgba(15,45,35,.06);
  --shadow-hover: 0 16px 40px rgba(15,45,35,.12);
  --font-stack: "PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  --container-width: 1280px;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-stack);background:var(--page-bg);color:var(--text);line-height:1.75;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
body,button,input,select,textarea{font-family:var(--font-stack)}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{background:none;border:none;cursor:pointer;font:inherit;color:inherit}
input[type="search"]{-webkit-appearance:none;-moz-appearance:none;appearance:none}
ul,ol{list-style:none}
h1,h2,h3,h4,h5{line-height:1.3;font-weight:700}
h1{font-size:44px}
h2{font-size:30px}
h3{font-size:20px;font-weight:600}

.grid-container{max-width:var(--container-width);margin:0 auto;padding:0 24px;width:100%}
.grid-x{display:flex;flex-flow:row wrap;margin-left:-12px;margin-right:-12px}
.cell{width:100%;padding-left:12px;padding-right:12px}
@media screen and (min-width:640px){
  .medium-4{width:33.3333%}
  .medium-5{width:41.6667%}
  .medium-6{width:50%}
  .medium-7{width:58.3333%}
  .medium-8{width:66.6667%}
  .medium-12{width:100%}
}
@media screen and (min-width:1024px){
  .large-3{width:25%}
  .large-4{width:33.3333%}
  .large-5{width:41.6667%}
  .large-6{width:50%}
  .large-7{width:58.3333%}
  .large-8{width:66.6667%}
  .large-12{width:100%}
}

/* Section styles */
.section-block{padding:96px 0}
.section-block.bg-white{background:var(--white)}
.section-block.bg-soft{background:var(--primary-soft)}
.section-block.bg-page{background:var(--page-bg)}

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

.eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:13px;font-weight:600;color:var(--primary);letter-spacing:.04em}
.eyebrow::before{content:"";width:24px;height:2px;background:var(--accent);border-radius:2px}
.section-title{font-size:34px;font-weight:800;color:var(--text);letter-spacing:-.01em}
.section-lead{max-width:720px;font-size:17px;color:var(--text-sub);margin-top:16px;line-height:1.8}
.section-head{margin-bottom:38px}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 28px;border-radius:999px;font-size:15px;font-weight:700;line-height:1;transition:all .3s cubic-bezier(.22,1,.36,1);cursor:pointer;border:0}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 22px rgba(13,92,71,.18)}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-1px);box-shadow:var(--shadow-hover)}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 8px 22px rgba(229,106,63,.2)}
.btn-accent:hover{background:var(--accent-dark);transform:translateY(-1px);box-shadow:0 14px 30px rgba(201,74,36,.22)}
.btn-line{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.45);color:#fff}
.btn-line:hover{background:rgba(255,255,255,.2);border-color:#fff}
.btn-light{background:#fff;color:var(--primary);box-shadow:0 8px 24px rgba(0,0,0,.1)}
.btn-light:hover{background:var(--primary-soft);transform:translateY(-1px)}
.btn-link{display:inline-flex;align-items:center;gap:6px;font-weight:600;color:inherit;border-bottom:1px solid currentColor;padding-bottom:2px;transition:color .3s,border-color .3s}
.btn-link::after{content:"→";transition:transform .3s}
.btn-link:hover::after{transform:translateX(4px)}
.btn-link.white-link{border-color:rgba(255,255,255,.6);color:#fff}
.btn-link.brand-link{color:var(--primary);border-color:var(--primary)}

/* Header */
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.96);border-bottom:1px solid var(--divider);transition:box-shadow .3s ease,background .3s ease}
.site-header.is-scrolled{background:#fff;box-shadow:0 6px 24px rgba(15,29,24,.06)}
.header-inner{display:flex;align-items:center;justify-content:space-between;min-height:78px;gap:16px;flex-wrap:wrap}

.header-brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-logo{width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;background:var(--primary);color:#fff;font-weight:800;font-size:19px;border-radius:13px;letter-spacing:.02em;box-shadow:0 6px 16px rgba(13,92,71,.24)}
.brand-text{display:inline-flex;flex-direction:column;line-height:1.15;color:var(--text);font-size:22px;font-weight:800}
.brand-text small{margin-top:3px;font-size:11px;font-weight:500;letter-spacing:.14em;color:var(--primary)}
.brand-text:hover,.brand-logo:hover{opacity:.92}

.nav-search{flex:1 1 auto;max-width:560px;margin:0 10px}
.search-form{display:flex;align-items:center;height:48px;background:var(--page-bg);border:1px solid var(--divider);border-radius:999px;padding:0 6px 0 16px;transition:border-color .3s,box-shadow .3s,background .3s}
.search-form:focus-within{border-color:var(--primary);background:#fff;box-shadow:0 0 0 3px rgba(13,92,71,.10)}
.search-form svg{flex-shrink:0;color:var(--text-sub);margin-right:8px}
.search-form input{flex:1;min-width:0;background:transparent;border:0;outline:none;font-size:14px;color:var(--text)}
.search-form input::placeholder{color:var(--text-muted)}
.search-btn{flex-shrink:0;height:36px;padding:0 20px;border-radius:999px;background:var(--primary);color:#fff;font-size:13px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;transition:background .3s}
.search-btn:hover{background:var(--primary-dark)}

.header-nav-toggle{display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--divider);align-items:center;justify-content:center;gap:4px;flex-direction:column;background:#fff;transition:border-color .3s}
.header-nav-toggle span{width:18px;height:2px;background:var(--text);border-radius:3px;transition:transform .3s,opacity .3s}
.header-nav-toggle:hover{border-color:var(--primary)}

.main-nav{display:flex;align-items:center;gap:20px}
.site-nav-list{display:flex;align-items:center;gap:6px}
.site-nav-list a{position:relative;display:inline-flex;align-items:center;justify-content:center;height:40px;padding:0 13px;border-radius:999px;font-size:14px;font-weight:600;color:var(--text-sub);transition:background .3s,color .3s}
.site-nav-list a:hover{color:var(--primary);background:var(--primary-soft)}
.site-nav-list a.active{background:var(--primary);color:#fff}
.site-nav-list a.active:hover{background:var(--primary-dark)}
.nav-cta{display:inline-flex;height:40px;padding:0 20px;align-items:center;justify-content:center;border-radius:999px;background:var(--accent);color:#fff;font-size:14px;font-weight:700;transition:background .3s,transform .3s}
.nav-cta:hover{background:var(--accent-dark);transform:translateY(-1px)}

/* Page hero */
.page-hero{position:relative;background:var(--primary-dark);padding:74px 0 72px;overflow:hidden;color:#fff}
.page-hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.16}
.page-hero-bg::after{content:"";position:absolute;inset:0;background:var(--primary-dark)}
.page-hero .container{position:relative;z-index:2}
.page-breadcrumb{display:flex;flex-wrap:wrap;gap:6px;align-items:center;font-size:13px;color:rgba(255,255,255,.65);margin-bottom:22px}
.page-breadcrumb a{color:rgba(255,255,255,.85);transition:color .3s}
.page-breadcrumb a:hover{color:#fff}
.page-breadcrumb .sep{opacity:.5}
.cat-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--accent);text-transform:uppercase}
.cat-eyebrow::before{content:"";width:24px;height:2px;background:var(--accent)}
.page-hero h1{font-size:52px;font-weight:800;margin:14px 0 16px;letter-spacing:-.01em;color:#fff}
.page-hero p.hero-lead{max-width:760px;font-size:18px;line-height:1.85;color:rgba(255,255,255,.78)}
.hero-actions{display:flex;align-items:center;gap:18px;margin-top:32px}
.hero-meta{display:flex;flex-wrap:wrap;gap:18px;margin-top:34px;color:rgba(255,255,255,.62);font-size:13px}
.hero-meta span{display:inline-flex;align-items:center;gap:6px}

/* Intro */
.intro-grid{align-items:center}
.image-shape{border-radius:26px;overflow:hidden;position:relative;box-shadow:var(--shadow-hover);aspect-ratio:16/11;background:var(--primary-soft)}
.image-shape img{width:100%;height:100%;object-fit:cover;transition:transform .6s cubic-bezier(.22,1,.36,1)}
.image-shape:hover img{transform:scale(1.03)}
.image-badge{position:absolute;left:20px;bottom:20px;background:rgba(9,46,37,.92);color:#fff;padding:10px 16px;border-radius:999px;font-size:13px;font-weight:600;backdrop-filter:blur(6px)}
.intro-copy .section-title{font-size:32px;margin-bottom:16px}
.intro-copy p{font-size:16px;line-height:2;color:var(--text-sub);margin-bottom:18px}
.intro-facts{display:flex;flex-wrap:wrap;gap:16px;margin-top:26px}
.fact-item{flex:1 1 120px;background:var(--page-bg);border-radius:16px;border:1px solid var(--divider);padding:18px 20px}
.fact-num{font-size:32px;font-weight:800;color:var(--primary);letter-spacing:-.02em;line-height:1.2}
.fact-num small{font-size:17px;font-weight:700;margin-left:2px}
.fact-label{font-size:13px;color:var(--text-muted);margin-top:6px}

/* Compare */
.compare-block{background:var(--primary-soft)}
.cmp-card{background:#fff;border-radius:var(--radius-lg);padding:34px 30px 32px;border:1px solid var(--divider);box-shadow:var(--shadow);height:100%;display:flex;flex-direction:column;transition:box-shadow .3s ease,transform .3s ease}
.cmp-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-4px)}
.cmp-tag{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--primary);margin-bottom:18px;letter-spacing:.02em}
.cmp-tag::before{content:"";width:26px;height:2px;background:var(--accent);border-radius:2px}
.cmp-card h3{font-size:22px;margin-bottom:10px}
.cmp-card .cmp-desc{color:var(--text-sub);font-size:15px;line-height:1.75;margin-bottom:22px}
.cmp-list{display:grid;grid-template-columns:1fr 1fr;gap:14px 18px}
@media screen and (max-width:640px){.cmp-list{grid-template-columns:1fr}}
.cmp-list li{position:relative;padding-left:24px;font-size:14px;color:var(--text-sub);line-height:1.6}
.cmp-list li::before{content:"";position:absolute;left:0;top:.5em;width:14px;height:7px;border-left:2px solid var(--primary);border-bottom:2px solid var(--primary);transform:rotate(-45deg);transform-origin:center}
.cmp-card:hover h3{color:var(--primary)}

/* Topics */
.topic-list{margin-top:18px}
.topic-row{display:flex;flex-wrap:wrap;align-items:stretch;background:#fff;border:1px solid var(--divider);border-radius:var(--radius-lg);padding:30px 28px;margin-bottom:18px;transition:box-shadow .35s ease,transform .35s ease;position:relative;overflow:hidden}
.topic-row:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px)}
.topic-row .topic-sn{font-size:14px;font-weight:800;color:var(--accent);flex:0 0 56px;font-variant-numeric:tabular-nums}
.topic-row .topic-body{flex:1 1 180px;padding-right:30px}
.topic-tag{display:inline-block;background:var(--primary-soft);color:var(--primary);font-size:12px;font-weight:700;letter-spacing:.02em;padding:3px 12px;border-radius:999px;margin-bottom:12px}
.topic-row h3{font-size:21px;font-weight:700;margin-bottom:10px}
.topic-row p{color:var(--text-sub);font-size:15px;line-height:1.8;max-width:900px}
.topic-go{align-self:center;flex-shrink:0;width:42px;height:42px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;background:var(--page-bg);border:1px solid var(--divider);color:var(--text-sub);transition:all .3s}
.topic-row:hover .topic-go{background:var(--primary);color:#fff;border-color:var(--primary)}

/* FAQ */
.faq-wrap{max-width:900px}
.faq-helper{background:var(--primary);color:#fff;border-radius:var(--radius-lg);padding:28px;margin-bottom:30px}
.faq-helper h3{color:#fff;font-size:19px;margin-bottom:10px}
.faq-helper p{color:rgba(255,255,255,.78);font-size:15px}
.faq-helper a{display:inline-flex;margin-top:16px;color:#fff;border-color:rgba(255,255,255,.5)}
.faq-item{background:#fff;border:1px solid var(--divider);border-radius:var(--radius);margin-bottom:14px;overflow:hidden;transition:box-shadow .3s ease,border-color .3s ease}
.faq-item[open]{border-color:var(--primary);box-shadow:var(--shadow)}
.faq-item summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:20px;padding:20px 24px;font-size:16px;font-weight:700;color:var(--text);transition:color .3s}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";flex-shrink:0;width:28px;height:28px;display:inline-flex;align-items:center;justify-content:center;border-radius:50%;background:var(--primary-soft);color:var(--primary);font-size:20px;font-weight:500;transition:transform .3s,background .3s,color .3s}
.faq-item[open] summary::after{transform:rotate(45deg);background:var(--primary);color:#fff}
.faq-item summary:hover{color:var(--primary)}
.faq-item p{padding:0 24px 22px;color:var(--text-sub);font-size:15px;line-height:1.9}
.faq-item[open] summary{padding-bottom:12px}

/* CTA */
.cta-band{background:var(--primary-dark);color:#fff;padding:90px 0;position:relative;overflow:hidden}
.cta-band::before{content:"";position:absolute;width:420px;height:420px;background:radial-gradient(circle,rgba(13,92,71,.6),transparent 70%);top:-160px;right:-80px;opacity:.7}
.cta-band::after{content:"";position:absolute;width:300px;height:300px;background:radial-gradient(circle,rgba(229,106,63,.3),transparent 70%);bottom:-100px;left:8%}
.cta-band .container{position:relative;z-index:2}
.cta-inner{max-width:860px}
.cta-inner .eyebrow{color:var(--accent)}
.cta-inner .eyebrow::before{background:var(--accent)}
.cta-inner h2{font-size:38px;font-weight:800;line-height:1.35;color:#fff;margin-top:10px;margin-bottom:18px}
.cta-inner p{font-size:17px;color:rgba(255,255,255,.72);line-height:1.85}
.cta-actions{display:flex;flex-wrap:wrap;gap:16px;margin-top:34px}

/* Footer */
.site-footer{background:var(--deep);color:rgba(255,255,255,.7)}
.footer-main{padding:72px 0 54px}
.footer-grid{display:flex;flex-wrap:wrap;margin-left:-12px;margin-right:-12px}
.footer-col{width:100%;padding:0 12px;margin-bottom:36px}
.footer-brand-name{font-size:22px;color:#fff;font-weight:800;margin-top:16px}
.footer-brand-name span{color:var(--accent)}
.footer-desc{max-width:380px;font-size:14px;line-height:1.9;color:rgba(255,255,255,.5);margin-top:12px}
.footer-logo{width:48px;height:48px;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;border-radius:14px;font-weight:800;font-size:19px}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:20px;position:relative;padding-bottom:12px}
.footer-col h4::after{content:"";position:absolute;left:0;bottom:0;width:24px;height:2px;background:var(--accent);border-radius:2px}
.footer-links li{margin-bottom:4px}
.footer-links a{display:inline-block;padding:5px 0;font-size:14px;line-height:1.6;color:rgba(255,255,255,.55);transition:color .3s,transform .3s}
.footer-links a:hover{color:var(--accent);transform:translateX(4px)}
.footer-contact li{display:flex;gap:10px;color:rgba(255,255,255,.55);font-size:14px;padding:6px 0;line-height:1.7}
.footer-contact svg{flex-shrink:0;margin-top:5px;color:var(--accent)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:24px 0;text-align:center;color:rgba(255,255,255,.4);font-size:14px}
.footer-bottom a{color:rgba(255,255,255,.55)}
.footer-bottom a:hover{color:#fff}

@media screen and (min-width:640px){
  .footer-col{width:50%;margin-bottom:20px}
}
@media screen and (min-width:1024px){
  .footer-col{width:auto;flex:1}
  .footer-col:first-child{flex:2.2;padding-right:30px}
}

/* Scrolltop */
.to-top{position:fixed;right:22px;bottom:26px;width:42px;height:42px;border-radius:14px;background:var(--primary);color:#fff;display:inline-flex;align-items:center;justify-content:center;box-shadow:var(--shadow-hover);transition:all .3s;z-index:60}
.to-top:hover{background:var(--primary-dark);transform:translateY(-3px)}

/* Responsive */
@media screen and (max-width:1023px){
  .header-inner{padding-top:10px;padding-bottom:10px}
  .main-nav{display:none;width:100%;order:3;flex-direction:column;align-items:stretch;background:#fff;border-radius:16px;border:1px solid var(--divider);box-shadow:var(--shadow-hover);padding:12px;margin-top:6px}
  .header-nav-toggle{display:inline-flex}
  .site-header.nav-open .main-nav{display:flex}
  .site-nav-list{flex-direction:column;align-items:stretch;width:100%;gap:2px}
  .site-nav-list a{justify-content:flex-start;width:100%;height:46px;border-radius:10px;padding-left:16px}
  .main-nav .nav-cta{margin-top:10px;width:100%;height:44px;justify-content:center}
  .nav-search{max-width:none}
  .section-block{padding:68px 0}
  .intro-grid{flex-direction:column-reverse;display:flex}
  .intro-visual{margin-bottom:20px}
}
@media screen and (max-width:639px){
  .header-inner{flex-wrap:wrap;gap:8px}
  .header-brand{gap:8px}
  .header-brand .brand-logo{width:40px;height:40px;font-size:17px}
  .brand-text{font-size:18px}
  .brand-text small{font-size:10px}
  .nav-search{order:2;margin:0;max-width:none}
  .header-nav-toggle{order:3}
  .main-nav{order:4}
  .page-hero{padding:52px 0 54px}
  .page-hero h1{font-size:34px}
  .page-hero p.hero-lead{font-size:16px}
  .page-breadcrumb{font-size:12px;margin-bottom:16px}
  .hero-actions{flex-direction:column;align-items:flex-start;gap:16px}
  .section-title{font-size:28px}
  .section-block{padding:52px 0}
  .topic-row{padding:22px 18px}
  .topic-row .topic-go{display:none}
  .cmp-card{padding:24px 20px}
  .footer-main{padding:52px 0 36px}
  .search-form input{font-size:13px}
  .search-btn{padding:0 14px}
}
@media screen and (max-width:400px){
  .brand-text{font-size:16px}
  .brand-text small{letter-spacing:.05em}
  .header-inner .brand-logo{width:38px;height:38px}
  .page-hero h1{font-size:29px}
  .section-block{padding:44px 0}
  .cta-actions .btn{width:100%}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}
}

/* roulang page: category2 */
:root {
            --primary: #0D5C47;
            --primary-dark: #092E25;
            --primary-light: #EAF2ED;
            --accent: #E56A3F;
            --accent-dark: #C94A24;
            --bg-page: #F7F9F6;
            --white: #FFFFFF;
            --dark-footer: #0F1D18;
            --text-main: #1C2924;
            --text-sub: #4C5F56;
            --text-mute: #7B8B83;
            --border: #DCE5DF;
            --gold: #B68C42;
            --radius-card: 14px;
            --radius-tag: 6px;
            --radius-btn: 999px;
            --shadow-card: 0 1px 2px rgba(15, 45, 35, .05), 0 8px 24px rgba(15, 45, 35, .06);
            --shadow-hover: 0 16px 40px rgba(15, 45, 35, .12);
            --ease: cubic-bezier(.22, 1, .36, 1);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans SC", sans-serif;
            background: var(--bg-page);
            color: var(--text-main);
            font-size: 16px;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color .25s ease;
        }

        button,
        input {
            font: inherit;
            border: none;
            outline: none;
        }

        ul,
        ol {
            list-style: none;
        }

        .grid-container {
            max-width: 1280px;
            padding-left: 24px;
            padding-right: 24px;
            margin: 0 auto;
        }

        .site-main {
            min-height: 60vh;
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: .08em;
            color: var(--primary);
            background: rgba(13, 92, 71, .08);
            padding: 5px 14px;
            border-radius: var(--radius-tag);
            margin-bottom: 16px;
            text-transform: uppercase;
        }

        .section-title {
            font-size: 34px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-main);
            letter-spacing: -0.02em;
            margin: 12px 0 18px;
        }

        .section-desc {
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-sub);
            max-width: 720px;
            margin-bottom: 40px;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--accent);
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            height: 44px;
            padding: 0 28px;
            border-radius: var(--radius-btn);
            transition: all .3s var(--ease);
            box-shadow: 0 2px 8px rgba(229, 106, 63, .18);
            cursor: pointer;
        }

        .btn-primary:hover {
            background: var(--accent-dark);
            transform: translateY(-1px);
            box-shadow: 0 8px 22px rgba(201, 74, 36, .2);
            color: #fff;
        }

        .btn-main-dark {
            background: var(--primary);
            box-shadow: 0 2px 8px rgba(13, 92, 71, .16);
        }

        .btn-main-dark:hover {
            background: var(--primary-dark);
            box-shadow: 0 8px 24px rgba(13, 92, 71, .2);
        }

        .link-arrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-weight: 600;
            color: var(--text-sub);
            transition: all .25s ease;
            border-bottom: 1px solid transparent;
            padding-bottom: 2px;
        }

        .link-arrow:hover {
            color: var(--primary);
            border-bottom-color: var(--primary);
        }

        .link-arrow svg {
            transition: transform .25s ease;
        }

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

        .page-section {
            padding: 92px 0;
            position: relative;
        }

        .page-section.bg-light {
            background: var(--primary-light);
        }

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

        .bg-noise {
            background-repeat: no-repeat;
            background-size: cover;
            background-position: center;
        }

        .eyebrow {
            font-size: 13px;
            font-weight: 600;
            letter-spacing: .14em;
            color: var(--primary);
            text-transform: uppercase;
            display: block;
            margin-bottom: 14px;
        }

        .text-muted-small {
            font-size: 13px;
            color: var(--text-mute);
        }

        .overflow-hidden {
            overflow: hidden;
        }

        .section-head-row {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
            margin-bottom: 34px;
        }

        .section-head-row .section-title {
            margin-bottom: 0;
        }

        .section-head-row p {
            margin-bottom: 0;
        }

        /* ============ header ============ */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, .96);
            border-bottom: 1px solid var(--border);
            transition: box-shadow .35s ease, background .35s ease, backdrop-filter .35s ease;
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
        }

        .site-header.scrolled {
            box-shadow: 0 6px 22px rgba(15, 45, 35, .08);
            background: #fff;
        }

        .header-inner {
            display: flex;
            align-items: center;
            gap: 22px;
            min-height: 74px;
            position: relative;
        }

        .header-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .brand-logo {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            background: var(--primary);
            color: #fff;
            font-weight: 800;
            font-size: 17px;
            border-radius: 12px;
            letter-spacing: .02em;
            box-shadow: 0 4px 12px rgba(13, 92, 71, .16);
            transition: all .3s var(--ease);
        }

        .brand-logo:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
        }

        .header-brand .brand-text {
            display: inline-flex;
            flex-direction: column;
            line-height: 1.3;
            font-weight: 800;
            font-size: 21px;
            color: var(--text-main);
            letter-spacing: .01em;
        }

        .brand-text small {
            font-size: 11px;
            font-weight: 500;
            letter-spacing: .18em;
            color: var(--text-mute);
            margin-top: 1px;
            line-height: 1.2;
        }

        .nav-search {
            flex: 1;
            max-width: 560px;
            margin: 0 10px 0 auto;
            transition: all .3s var(--ease);
        }

        .search-form {
            display: flex;
            align-items: center;
            gap: 10px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 999px;
            padding: 7px 8px 7px 18px;
            box-shadow: 0 1px 2px rgba(15, 45, 35, .04);
            transition: all .3s var(--ease);
        }

        .search-form:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(13, 92, 71, .14), 0 1px 2px rgba(15, 45, 35, .04);
        }

        .search-form svg {
            color: var(--text-mute);
            flex-shrink: 0;
        }

        .search-form input {
            flex: 1;
            min-width: 0;
            background: transparent;
            color: var(--text-main);
            font-size: 15px;
            padding: 6px 0;
        }

        .search-form input::placeholder {
            color: var(--text-mute);
            font-size: 14px;
            letter-spacing: .01em;
        }

        .search-btn {
            background: var(--accent);
            padding: 9px 24px;
            border-radius: 999px;
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            transition: all .3s var(--ease);
            cursor: pointer;
            flex-shrink: 0;
        }

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

        .main-nav {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .site-nav-list {
            display: flex;
            align-items: center;
            gap: 2px;
        }

        .site-nav-list>li>a {
            display: block;
            padding: 10px 14px;
            color: var(--text-sub);
            font-size: 15px;
            font-weight: 500;
            border-radius: 8px;
            transition: all .25s ease;
        }

        .site-nav-list>li>a:hover {
            color: var(--primary);
            background: var(--primary-light);
        }

        .site-nav-list>li>a.active {
            color: var(--primary);
            background: var(--primary-light);
            font-weight: 600;
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 22px;
            border-radius: 999px;
            background: var(--primary);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            transition: all .3s var(--ease);
            white-space: nowrap;
        }

        .nav-cta:hover {
            background: var(--primary-dark);
            transform: translateY(-1px);
            box-shadow: 0 8px 18px rgba(13, 92, 71, .2);
        }

        .header-nav-toggle {
            display: none;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            background: transparent;
            border: 1px solid var(--border);
            border-radius: 10px;
            cursor: pointer;
            gap: 5px;
            transition: border-color .3s ease;
            flex-shrink: 0;
        }

        .header-nav-toggle:hover {
            border-color: var(--primary);
        }

        .header-nav-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--text-main);
            border-radius: 3px;
            transition: all .3s var(--ease);
        }

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

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

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

        @media (max-width:1023.98px) {
            .main-nav {
                display: none;
                order: 4;
                flex-basis: 100%;
                flex-direction: column;
                align-items: stretch;
                gap: 8px;
                padding: 18px 0;
                border-top: 1px solid var(--border);
            }
            .main-nav.is-open {
                display: flex;
            }
            .site-nav-list {
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
                width: 100%;
            }
            .site-nav-list>li>a {
                padding: 13px 16px;
                border-radius: 12px;
                font-size: 16px;
            }
            .nav-cta {
                width: 100%;
                justify-content: center;
                padding: 13px 14px;
                margin-top: 8px;
            }
            .header-nav-toggle {
                display: inline-flex;
            }
            .header-inner {
                min-height: auto;
                padding-top: 14px;
                padding-bottom: 14px;
                flex-wrap: wrap;
                gap: 10px;
            }
            .header-brand {
                margin-right: auto;
            }
            .header-nav-toggle {
                order: 2;
            }
            .nav-search {
                order: 3;
                flex: 1 1 100%;
                max-width: 100%;
                margin: 4px 0 0;
            }
            .main-nav {
                order: 4;
            }
        }

        @media (max-width:639.98px) {
            .header-inner {
                gap: 8px;
            }
            .header-brand .brand-text {
                font-size: 18px;
            }
            .brand-logo {
                width: 38px;
                height: 38px;
                font-size: 15px;
                border-radius: 10px;
            }
            .brand-text small {
                font-size: 10px;
            }
            .search-form {
                padding-left: 14px;
            }
            .search-btn {
                padding: 8px 16px;
                font-size: 13px;
            }
            .search-form svg {
                width: 16px;
                height: 16px;
            }
        }

        /* ============ category hero ============ */
        .category-hero {
            position: relative;
            padding: 92px 0 80px;
            overflow: hidden;
            background: linear-gradient(100deg, rgba(234, 242, 237, .96) 20%, rgba(247, 249, 246, .86) 66%), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
        }

        .category-hero:after {
            content: "";
            position: absolute;
            right: -80px;
            bottom: -180px;
            width: 520px;
            height: 360px;
            background: radial-gradient(circle, rgba(13, 92, 71, .09) 0%, rgba(13, 92, 71, 0) 70%);
            pointer-events: none;
        }

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

        .category-hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: .06em;
            color: var(--primary);
            background: rgba(255, 255, 255, .75);
            border: 1px solid rgba(13, 92, 71, .14);
            padding: 6px 16px;
            border-radius: 999px;
            margin-bottom: 24px;
        }

        .category-hero h1 {
            font-size: 58px;
            line-height: 1.15;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--text-main);
            max-width: 780px;
            margin-bottom: 20px;
        }

        .category-hero h1 .text-em {
            color: var(--primary);
            position: relative;
            white-space: nowrap;
        }

        .category-hero h1 .text-em::after {
            content: "";
            display: block;
            width: 100%;
            height: 6px;
            background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 120 8' preserveAspectRatio='none'%3E%3Cpath d='M2 5c20 2 90 1 116-3' stroke='%23E56A3F' stroke-width='2.4' fill='none' stroke-linecap='round'/%3E%3C/svg%3E") no-repeat center/cover;
            margin-top: -6px;
            opacity: .9;
        }

        .category-hero .hero-desc {
            font-size: 17px;
            line-height: 1.9;
            color: var(--text-sub);
            max-width: 650px;
            margin-bottom: 34px;
        }

        .hero-actions {
            display: flex;
            align-items: center;
            gap: 24px;
            flex-wrap: wrap;
        }

        .category-hero .hero-meta {
            margin-top: 50px;
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
            color: var(--text-mute);
            font-size: 14px;
        }

        .category-hero .hero-meta span {
            display: inline-flex;
            align-items: center;
            gap: 7px;
        }

        .category-hero .hero-meta svg {
            color: var(--primary);
        }

        @media (max-width:1023.98px) {
            .category-hero {
                padding: 70px 0 60px;
            }
            .category-hero h1 {
                font-size: 44px;
            }
        }

        @media (max-width:767.98px) {
            .category-hero h1 {
                font-size: 36px;
            }
            .category-hero .hero-meta {
                margin-top: 28px;
                gap: 14px;
            }
        }

        @media (max-width:479.98px) {
            .category-hero h1 {
                font-size: 32px;
            }
            .category-hero .hero-desc {
                font-size: 16px;
            }
        }

        /* ============ intro strip ============ */
        .intro-strip {
            background: var(--primary-dark);
            padding: 52px 0;
            color: #fff;
        }

        .intro-strip .grid-container {
            display: flex;
            justify-content: center;
        }

        .intro-content {
            display: flex;
            align-items: center;
            gap: 36px;
            flex-wrap: wrap;
            justify-content: space-between;
            width: 100%;
        }

        .intro-content p {
            font-size: 20px;
            line-height: 1.8;
            font-weight: 500;
            max-width: 800px;
        }

        .intro-content .intro-symbol {
            width: 64px;
            height: 64px;
            border: 1px solid rgba(255, 255, 255, .22);
            border-radius: 18px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #F0B08F;
            flex-shrink: 0;
        }

        @media (max-width:767.98px) {
            .intro-strip {
                padding: 34px 0;
            }
            .intro-content p {
                font-size: 16px;
            }
        }

        /* ============ timeline ============ */
        .timeline-section {
            background: var(--white);
        }

        .timeline-grid {
            display: grid;
            grid-template-columns: 1fr 72px 1fr;
            position: relative;
            max-width: 1120px;
            margin: 0 auto;
        }

        .timeline-grid::before {
            content: "";
            position: absolute;
            left: 50%;
            top: 0;
            bottom: 0;
            width: 1px;
            transform: translateX(-50%);
            background: linear-gradient(180deg, transparent 0%, var(--border) 8%, var(--border) 92%, transparent 100%);
        }

        .timeline-item {
            display: contents;
        }

        .timeline-content {
            margin-bottom: 54px;
            padding: 0;
        }

        .timeline-item:nth-child(even) .timeline-card {
            grid-column: 3;
            text-align: left;
            margin-left: auto;
            max-width: 88%;
        }

        .timeline-item:nth-child(odd) .timeline-card {
            grid-column: 1;
            text-align: right;
            margin-right: auto;
            max-width: 88%;
        }

        .timeline-marker {
            grid-column: 2;
            grid-row: auto;
            position: relative;
            text-align: center;
            z-index: 2;
        }

        .timeline-marker .dot {
            width: 15px;
            height: 15px;
            background: var(--primary);
            border: 4px solid #d8ece.5%;
            border: 4px solid #d8ece5;
            border-radius: 50%;
            box-shadow: 0 0 0 6px var(--primary-light);
            margin: 6px auto 0;
        }

        .timeline-marker .step-num {
            display: block;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            letter-spacing: .08em;
            margin-top: 12px;
        }

        .timeline-card {
            background: var(--primary-light);
            border: 1px solid rgba(13, 92, 71, .08);
            border-radius: var(--radius-card);
            padding: 26px 30px;
            transition: all .3s var(--ease);
        }

        .timeline-card:hover {
            background: #fff;
            box-shadow: var(--shadow-card);
            transform: translateY(-2px);
        }

        .timeline-card h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
        }

        .timeline-card p {
            color: var(--text-sub);
            font-size: 15px;
            line-height: 1.8;
            margin-bottom: 0;
        }

        @media (max-width:767.98px) {
            .timeline-grid {
                grid-template-columns: 56px 1fr;
                gap: 0;
                max-width: 100%;
            }
            .timeline-grid::before {
                left: 27px;
                transform: none;
            }
            .timeline-content,
            .timeline-item:nth-child(even) .timeline-card,
            .timeline-item:nth-child(odd) .timeline-card {
                grid-column: 2;
                text-align: left;
                max-width: 100%;
                margin: 0 0 34px 0;
            }
            .timeline-marker {
                grid-column: 1;
                text-align: center;
            }
            .timeline-content .timeline-card {
                padding: 22px;
                margin-bottom: 24px;
            }
        }

        /* ============ brick cards ============ */
        .brick-section {
            background: var(--bg-page);
        }

        .brick-grid {
            display: grid;
            grid-template-columns: repeat(12, 1fr);
            gap: 26px;
            align-items: stretch;
        }

        .brick-card {
            background: #fff;
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s ease;
            border: 1px solid rgba(220, 229, 223, .55);
            display: flex;
            flex-direction: column;
        }

        .brick-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(13, 92, 71, .14);
        }

        .brick-card--lg {
            grid-column: span 7;
        }

        .brick-card--sm {
            grid-column: span 5;
        }

        .brick-media {
            position: relative;
            aspect-ratio: 4 / 3;
            overflow: hidden;
        }

        .brick-card--lg .brick-media {
            aspect-ratio: 16 / 9;
        }

        .brick-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .55s var(--ease);
        }

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

        .brick-media .img-badge {
            position: absolute;
            left: 16px;
            top: 16px;
            background: rgba(13, 92, 71, .86);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: .04em;
            padding: 5px 12px;
            border-radius: 999px;
            backdrop-filter: blur(4px);
            -webkit-backdrop-filter: blur(4px);
        }

        .brick-body {
            padding: 24px 26px 26px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .brick-card .card-kicker {
            font-size: 13px;
            font-weight: 700;
            letter-spacing: .1em;
            color: var(--accent);
            text-transform: uppercase;
            display: block;
            margin-bottom: 10px;
        }

        .brick-card h3 {
            font-size: 21px;
            font-weight: 700;
            line-height: 1.4;
            color: var(--text-main);
            margin-bottom: 10px;
        }

        .brick-card p {
            color: var(--text-sub);
            font-size: 15px;
            line-height: 1.8;
            margin-bottom: 18px;
        }

        .brick-link {
            margin-top: auto;
            display: inline-flex;
            align-items: center;
            gap: 7px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            transition: color .25s ease;
        }

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

        .brick-card--sm .brick-body {
            padding: 20px 22px;
        }

        @media (max-width:1023.98px) {
            .brick-card--lg,
            .brick-card--sm {
                grid-column: span 12;
            }
            .brick-grid {
                gap: 22px;
            }
        }

        @media (max-width:479.98px) {
            .brick-card--lg .brick-media,
            .brick-card .brick-media {
                aspect-ratio: 4 / 3;
            }
        }

        /* ============ access table ============ */
        .access-section {
            background: var(--primary-light);
        }

        .access-table-wrap {
            background: #fff;
            border-radius: 16px;
            box-shadow: var(--shadow-card);
            padding: 10px;
            overflow-x: auto;
        }

        .access-table {
            width: 100%;
            min-width: 660px;
            border-collapse: collapse;
            background: transparent;
            --radius-card: 0;
        }

        .access-table th,
        .access-table td {
            border: none;
            border-bottom: 1px solid var(--border);
            padding: 19px 20px;
            text-align: center;
            color: var(--text-sub);
            font-size: 15px;
            line-height: 1.6;
        }

        .access-table th {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-main);
            background: rgba(234, 242, 237, .36);
            text-align: center;
            letter-spacing: .02em;
        }

        .access-table th.first-col,
        .access-table td.first-col {
            text-align: left;
        }

        .access-table tr:last-child td,
        .access-table tr:last-child th {
            border-bottom: none;
        }

        .access-table .plan-popular td {
            background: rgba(234, 242, 237, .4);
        }

        .access-table .plan-popular {
            position: relative;
            box-shadow: inset 0 0 0 1px rgba(13, 92, 71, .12);
        }

        .access-table .plan-tag {
            display: inline-block;
            font-size: 11px;
            font-weight: 700;
            color: var(--accent-dark);
            background: rgba(229, 106, 63, .12);
            padding: 3px 12px;
            border-radius: 999px;
            margin-left: 6px;
            letter-spacing: .06em;
        }

        .access-table .check {
            color: var(--primary);
            font-weight: 600;
        }

        .access-table .minus {
            color: var(--text-mute);
        }

        .access-note {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
            padding: 22px 6px 30px;
        }

        .access-note p {
            color: var(--text-mute);
            font-size: 14px;
            margin-bottom: 0;
        }

        @media (max-width:639.98px) {
            .access-table th,
            .access-table td {
                padding: 14px 12px;
                font-size: 14px;
            }
            .access-table-wrap {
                padding: 6px;
            }
        }

        /* ============ bottom CTA ============ */
        .cta-band {
            background: var(--dark-footer);
            padding: 72px 0;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .cta-band:before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            opacity: .18;
        }

        .cta-band .grid-container {
            position: relative;
            z-index: 1;
            text-align: center;
        }

        .cta-band h2 {
            font-size: 36px;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 14px;
        }

        .cta-band p {
            font-size: 17px;
            color: rgba(255, 255, 255, .75);
            max-width: 680px;
            margin: 0 auto 32px;
            line-height: 1.9;
        }

        .cta-actions {
            display: flex;
            gap: 18px;
            justify-content: center;
            align-items: center;
            flex-wrap: wrap;
        }

        .cta-band .btn-primary {
            background: var(--accent);
        }

        .cta-band .btn-ghost {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, .4);
            border-radius: 999px;
            padding: 11px 26px;
            font-weight: 500;
            transition: all .3s var(--ease);
        }

        .cta-band .btn-ghost:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, .08);
            transform: translateY(-1px);
        }

        .cta-band .cta-note {
            margin-top: 20px;
            font-size: 13px;
            color: rgba(255, 255, 255, .4);
            margin-bottom: 0;
        }

        @media (max-width:767.98px) {
            .cta-band {
                padding: 52px 0;
            }
            .cta-band h2 {
                font-size: 28px;
            }
        }

        /* ============ footer ============ */
        .site-footer {
            background: var(--dark-footer);
            color: rgba(255, 255, 255, .82);
            padding-top: 56px;
            font-size: 15px;
        }

        .site-footer a {
            color: rgba(255, 255, 255, .72);
            transition: all .25s ease;
        }

        .site-footer a:hover {
            color: #fff;
            text-decoration: underline;
            text-underline-offset: 4px;
        }

        .footer-top {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.3fr;
            gap: 46px;
            padding-bottom: 48px;
        }

        .footer-brand {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .footer-brand .brand-logo {
            background: var(--primary);
            color: #fff;
            width: 46px;
            height: 46px;
            font-size: 18px;
            border-radius: 12px;
            display: inline-flex;
            justify-content: center;
            align-items: center;
            font-weight: 800;
        }

        .footer-brand-name {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
        }

        .footer-desc {
            color: rgba(255, 255, 255, .66);
            line-height: 1.85;
            margin: 0;
            max-width: 300px;
            font-size: 14px;
        }

        .footer-column h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 18px;
            letter-spacing: .04em;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 0;
            padding: 0;
            margin: 0;
            list-style: none;
        }

        .footer-links>li {
            line-height: 2.5;
            font-size: 14px;
        }

        .footer-links.footer-contact>li {
            display: flex;
            align-items: center;
            gap: 8px;
            color: rgba(255, 255, 255, .62);
        }

        .footer-links svg {
            color: var(--accent);
            flex-shrink: 0;
        }

        .footer-bottom-line {
            border-bottom: 1px solid rgba(255, 255, 255, .12);
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
            padding: 22px 0;
            font-size: 13px;
            color: rgba(255, 255, 255, .46);
            border-top: 1px solid rgba(255, 255, 255, .09);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, .6);
        }

        .footer-bottom a:hover {
            color: #fff;
        }

        @media (max-width:1023.98px) {
            .footer-top {
                grid-template-columns: 1fr 1fr;
                gap: 36px;
            }
        }

        @media (max-width:639.98px) {
            .site-footer {
                padding-top: 40px;
            }
            .footer-top {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ============ responsive responsive ============ */
        @media (max-width:767.98px) {
            body {
                font-size: 15px;
            }
            .page-section {
                padding: 56px 0;
            }
            .section-title {
                font-size: 28px;
                line-height: 1.35;
            }
            .section-desc {
                font-size: 15px;
                line-height: 1.8;
                margin-bottom: 30px;
            }
            .section-head-row {
                flex-direction: column;
                align-items: flex-start;
            }
            .grid-container {
                padding-left: 18px;
                padding-right: 18px;
            }
        }

        @media (max-width:479.98px) {
            .grid-container {
                padding-left: 14px;
                padding-right: 14px;
            }
            .section-title {
                font-size: 26px;
            }
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .hero-actions .btn-primary {
                text-align: center;
            }
            .hero-actions .link-arrow {
                justify-content: center;
            }
            .section-desc {
                font-size: 15px;
            }
        }

        @media (prefers-reduced-motion: reduce) {
            *,
            *:before,
            *:after {
                animation-duration: .01ms !important;
                transition-duration: .01ms !important;
            }
            html {
                scroll-behavior: auto;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #0D5C47;
            --primary-deep: #092E25;
            --primary-light: #EAF2ED;
            --accent: #E56A3F;
            --accent-dark: #C94A24;
            --bg: #F7F9F6;
            --white: #FFFFFF;
            --letter-ink: #1C2924;
            --soft-ink: #4C5F56;
            --muted: #7B8B83;
            --line: #DCE5DF;
            --gold: #B68C42;
            --brick: #A6412D;
            --dark-wrap: #0F1D18;
            --radius-sm: 6px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --shadow: 0 8px 24px rgba(15, 45, 35, 0.06);
            --shadow-hover: 0 18px 40px rgba(15, 45, 35, 0.12);
            --ease: cubic-bezier(0.22, 1, 0.36, 1);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans SC", sans-serif;
            background: var(--bg);
            color: var(--letter-ink);
            line-height: 1.75;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.25s ease;
        }

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

        ul,
        ol {
            padding: 0;
            margin: 0;
            list-style: none;
        }

        h1,
        h2,
        h3,
        h4,
        p,
        figure {
            margin: 0;
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 44px;
            padding: 0 26px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 700;
            border: 1px solid transparent;
            cursor: pointer;
            transition: all 0.3s var(--ease);
            line-height: 1;
            white-space: nowrap;
            outline: none;
        }

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

        .btn-primary:hover,
        .btn-primary:focus-visible {
            background: var(--accent-dark);
            transform: translateY(-1px);
            box-shadow: 0 12px 24px rgba(229, 106, 63, 0.25);
        }

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

        .btn-deep:hover,
        .btn-deep:focus-visible {
            background: var(--primary-deep);
            transform: translateY(-1px);
            box-shadow: 0 12px 24px rgba(13, 92, 71, 0.25);
        }

        .btn-ghost {
            background: transparent;
            border-color: rgba(255, 255, 255, 0.65);
            color: #fff;
        }

        .btn-ghost:hover,
        .btn-ghost:focus-visible {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.12);
        }

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

        .btn-light:hover,
        .btn-light:focus-visible {
            background: var(--primary-light);
            transform: translateY(-1px);
            box-shadow: 0 12px 24px rgba(15, 45, 35, 0.18);
        }

        .text-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            color: var(--primary);
            border-bottom: 1px solid transparent;
            transition: border-color 0.25s ease;
        }

        .text-link svg {
            transition: transform 0.3s var(--ease);
        }

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

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

        .section {
            padding: 100px 0;
        }

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

        .section-kicker {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 0.12em;
            color: var(--primary);
            background: var(--primary-light);
            padding: 6px 14px;
            border-radius: 999px;
            margin-bottom: 18px;
        }

        .section-title {
            font-size: 30px;
            line-height: 1.3;
            font-weight: 800;
            color: var(--letter-ink);
            letter-spacing: 0.01em;
        }

        .section-desc {
            max-width: 720px;
            font-size: 16px;
            color: var(--soft-ink);
            margin-top: 12px;
        }

        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 200;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(220, 229, 223, 0.7);
            transition: background 0.3s ease, box-shadow 0.3s ease;
        }

        .site-header.is-scrolled {
            background: rgba(255, 255, 255, 0.98);
            box-shadow: 0 8px 30px rgba(15, 45, 35, 0.08);
        }

        .header-inner {
            display: flex;
            align-items: center;
            min-height: 76px;
            gap: 22px;
            flex-wrap: wrap;
            padding-top: 6px;
            padding-bottom: 6px;
        }

        .header-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-right: 4px;
        }

        .brand-logo {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: 14px;
            background: var(--primary);
            color: #fff;
            font-weight: 800;
            font-size: 14px;
            letter-spacing: 0.05em;
            box-shadow: 0 8px 18px rgba(13, 92, 71, 0.18);
            flex: 0 0 auto;
        }

        .brand-text {
            display: flex;
            flex-direction: column;
            line-height: 1.1;
            font-size: 20px;
            font-weight: 800;
            color: var(--letter-ink);
        }

        .brand-text small {
            font-size: 11px;
            letter-spacing: 0.24em;
            color: var(--accent);
            font-weight: 700;
            margin-top: 4px;
            text-transform: uppercase;
        }

        .nav-search {
            flex: 1 1 380px;
            max-width: 600px;
            margin: 0 auto;
        }

        .search-form {
            display: flex;
            align-items: center;
            background: #fff;
            border: 1px solid var(--line);
            border-radius: 999px;
            height: 46px;
            padding: 0 6px 0 18px;
            transition: border 0.25s ease, box-shadow 0.25s ease;
        }

        .search-form:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(13, 92, 71, 0.12);
        }

        .search-form svg {
            color: var(--muted);
            flex: 0 0 auto;
        }

        .search-form input {
            flex: 1;
            border: 0;
            background: transparent;
            margin: 0;
            height: 40px;
            padding: 0 12px;
            font-size: 14px;
            color: var(--letter-ink);
            box-shadow: none;
        }

        .search-form input:focus {
            border: 0;
            background: transparent;
            box-shadow: none;
        }

        .search-form input::placeholder {
            color: var(--muted);
        }

        .search-btn {
            height: 36px;
            background: var(--primary);
            border: 0;
            border-radius: 999px;
            padding: 0 20px;
            color: #fff;
            font-size: 14px;
            font-weight: 700;
            cursor: pointer;
            transition: background 0.25s ease;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 22px;
            margin-left: auto;
        }

        .site-nav-list {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .site-nav-list a {
            display: inline-flex;
            align-items: center;
            padding: 10px 16px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 700;
            color: var(--soft-ink);
            transition: all 0.25s ease;
        }

        .site-nav-list a:hover {
            color: var(--primary);
            background: var(--primary-light);
        }

        .site-nav-list a.active {
            background: var(--primary);
            color: #fff;
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 40px;
            padding: 0 20px;
            border-radius: 999px;
            background: #fff;
            border: 1px solid var(--primary);
            color: var(--primary);
            font-weight: 700;
            font-size: 14px;
            transition: all 0.25s ease;
        }

        .nav-cta:hover {
            background: var(--primary);
            color: #fff;
        }

        .header-nav-toggle {
            width: 44px;
            height: 44px;
            background: transparent;
            border: 1px solid var(--line);
            border-radius: 12px;
            display: none;
            align-items: center;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            cursor: pointer;
        }

        .header-nav-toggle span {
            width: 20px;
            height: 2px;
            background: var(--letter-ink);
            border-radius: 2px;
            transition: all 0.3s var(--ease);
        }

        .cat-hero {
            position: relative;
            padding: 160px 0 100px;
            color: #fff;
            overflow: hidden;
        }

        .cat-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(100deg, rgba(9, 46, 37, 0.96) 0%, rgba(9, 46, 37, 0.88) 38%, rgba(9, 46, 37, 0.55) 100%);
            z-index: 1;
        }

        .cat-hero::after {
            content: "";
            position: absolute;
            right: -120px;
            top: -80px;
            width: 480px;
            height: 480px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(229, 106, 63, 0.22), transparent 68%);
            z-index: 1;
            pointer-events: none;
        }

        .cat-hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-3.webp');
            background-position: center;
            background-size: cover;
            z-index: 0;
        }

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

        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.72);
            margin-bottom: 30px;
        }

        .breadcrumb a {
            color: rgba(255, 255, 255, 0.82);
        }

        .breadcrumb a:hover {
            color: #fff;
        }

        .breadcrumb i {
            font-style: normal;
            color: rgba(255, 255, 255, 0.38);
        }

        .cat-hero h1 {
            font-size: 48px;
            line-height: 1.2;
            font-weight: 800;
            color: #fff;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 4px 18px;
            max-width: 780px;
            letter-spacing: 0.01em;
        }

        .cat-hero h1 em {
            font-style: normal;
            color: var(--accent);
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(229, 106, 63, 0.7);
            border-radius: 999px;
            padding: 0 24px;
            height: 60px;
            line-height: 60px;
            font-weight: 800;
            font-size: 44px;
        }

        .cat-hero-lead {
            max-width: 650px;
            margin-top: 26px;
            font-size: 18px;
            line-height: 1.85;
            color: rgba(255, 255, 255, 0.88);
        }

        .cat-hero-actions {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-top: 36px;
            flex-wrap: wrap;
        }

        .hero-meta-mark {
            display: inline-flex;
            align-items: center;
            gap: 14px;
            margin-top: 44px;
            border-top: 1px solid rgba(255, 255, 255, 0.2);
            padding-top: 24px;
            color: rgba(255, 255, 255, 0.8);
            font-size: 13px;
            flex-wrap: wrap;
        }

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

        .hero-meta-mark b {
            color: #fff;
        }

        .stats-strip {
            border-bottom: 1px solid var(--line);
            background: #fff;
            padding: 44px 0;
            position: relative;
            z-index: 3;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
        }

        .stat-item {
            display: flex;
            flex-direction: column;
            gap: 6px;
            padding-left: 22px;
            border-left: 1px solid var(--line);
        }

        .stat-item strong {
            font-size: 32px;
            line-height: 1.2;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.02em;
        }

        .stat-item small {
            font-size: 14px;
            color: var(--muted);
            letter-spacing: 0.02em;
        }

        .category-intro {
            background:
                radial-gradient(ellipse at 80% 12%, rgba(229, 106, 63, 0.05), transparent 38%),
                var(--bg);
            padding: 110px 0 96px;
        }

        .intro-wrap {
            display: grid;
            grid-template-columns: 0.93fr 1.07fr;
            gap: 70px;
            align-items: center;
        }

        .intro-figure {
            position: relative;
            border-radius: 18px;
            overflow: hidden;
            box-shadow: var(--shadow);
        }

        .intro-figure:before {
            content: "";
            display: block;
            padding-top: 78%;
        }

        .intro-figure img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .intro-figure .tag-float {
            position: absolute;
            left: 20px;
            bottom: 20px;
            background: #fff;
            border-radius: 12px;
            padding: 14px 18px;
            box-shadow: var(--shadow);
        }

        .tag-float span {
            font-size: 12px;
            color: var(--muted);
        }

        .tag-float strong {
            display: block;
            font-size: 16px;
            color: var(--primary);
            font-weight: 800;
            line-height: 1.3;
            margin-top: 4px;
        }

        .intro-content .section-kicker {
            background: transparent;
            padding-left: 0;
        }

        .intro-content .section-title {
            font-size: 34px;
        }

        .section-desc + .check-list {
            margin-top: 26px;
        }

        .check-list li {
            display: flex;
            gap: 10px;
            padding: 6px 0;
            color: var(--soft-ink);
            font-size: 15px;
        }

        .check-list li svg {
            flex: 0 0 auto;
            color: var(--accent);
            margin-top: 5px;
        }

        .story-band {
            position: relative;
            padding: 110px 0 100px;
            color: #fff;
            background-color: var(--primary-deep);
            overflow: hidden;
        }

        .story-band-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center 60%;
            opacity: 0.26;
        }

        .story-band::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(9, 46, 37, 0.98), rgba(9, 46, 37, 0.66) 70%, rgba(9, 46, 37, 0.8));
        }

        .story-band .container {
            position: relative;
            z-index: 2;
        }

        .band-label {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            color: rgba(255, 255, 255, 0.72);
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 0.14em;
            margin-bottom: 16px;
        }

        .band-label i {
            width: 34px;
            height: 1px;
            background: var(--accent);
        }

        .band-title {
            max-width: 850px;
            font-size: 38px;
            line-height: 1.35;
            font-weight: 800;
            letter-spacing: 0.01em;
        }

        .band-lead {
            max-width: 720px;
            font-size: 16px;
            color: rgba(255, 255, 255, 0.82);
            margin-top: 20px;
            line-height: 1.85;
        }

        .band-process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
            margin-top: 48px;
        }

        .process-pill {
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.16);
            border-radius: var(--radius-md);
            padding: 24px;
            backdrop-filter: none;
            transition: background 0.3s ease, transform 0.3s var(--ease);
        }

        .process-pill:hover {
            background: rgba(255, 255, 255, 0.18);
            transform: translateY(-4px);
        }

        .process-pill .step-arr {
            font-size: 12px;
            font-weight: 800;
            letter-spacing: 0.16em;
            color: var(--accent);
            display: block;
            margin-bottom: 10px;
        }

        .process-pill h3 {
            font-size: 19px;
            line-height: 1.5;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }

        .process-pill p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.78);
            line-height: 1.7;
        }

        .split-block {
            background: #fff;
            padding: 96px 0;
            border-bottom: 1px solid var(--line);
        }

        .split-inner {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 72px;
            align-items: center;
        }

        .split-block.reverse .split-inner {
            direction: rtl;
        }

        .split-block.reverse .split-media,
        .split-block.reverse .split-text {
            direction: ltr;
        }

        .split-media {
            border-radius: 18px;
            overflow: hidden;
            box-shadow: var(--shadow);
            background: var(--primary-light);
            transform: rotate(-0.6deg);
        }

        .split-media img {
            width: 100%;
            aspect-ratio: 4 / 3;
            object-fit: cover;
            transition: transform 0.5s var(--ease);
        }

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

        .kicker-caps {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            font-weight: 800;
            letter-spacing: 0.14em;
            color: var(--accent);
            text-transform: uppercase;
        }

        .split-text h2 {
            font-size: 31px;
            font-weight: 800;
            line-height: 1.35;
            color: var(--letter-ink);
            margin: 14px 0 16px;
        }

        .split-text .desc {
            color: var(--soft-ink);
            font-size: 16px;
            line-height: 1.8;
        }

        .split-list {
            margin: 22px 0 28px;
            display: grid;
            gap: 8px;
        }

        .split-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            color: var(--soft-ink);
            font-size: 15px;
            padding: 8px 0;
            border-bottom: 1px dashed var(--line);
        }

        .split-list li:last-child {
            border-bottom: 0;
        }

        .split-list li svg {
            flex: 0 0 auto;
            margin-top: 5px;
            color: var(--primary);
        }

        .matrix-area {
            background: var(--bg);
            padding: 110px 0;
        }

        .matrix-grid {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 24px;
        }

        .matrix-card {
            background: #fff;
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: box-shadow 0.3s ease, transform 0.3s var(--ease);
            position: relative;
        }

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

        .matrix-card:nth-child(1) {
            grid-column: span 3;
        }

        .matrix-card:nth-child(2) {
            grid-column: span 3;
        }

        .matrix-card:nth-child(3) {
            grid-column: span 2;
        }

        .matrix-card:nth-child(4) {
            grid-column: span 2;
        }

        .matrix-card:nth-child(5) {
            grid-column: span 2;
        }

        .matrix-pic {
            background: var(--primary-light);
            aspect-ratio: 4 / 3;
            overflow: hidden;
        }

        .matrix-card:nth-child(1) .matrix-pic {
            aspect-ratio: 3 / 2;
        }

        .matrix-pic img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s var(--ease);
        }

        .matrix-card:hover .matrix-pic img {
            transform: scale(1.05);
        }

        .matrix-body {
            padding: 24px;
        }

        .matrix-body .card-label {
            display: inline-block;
            font-size: 12px;
            font-weight: 800;
            letter-spacing: 0.08em;
            color: var(--primary);
            background: var(--primary-light);
            padding: 4px 10px;
            border-radius: 999px;
            margin-bottom: 12px;
        }

        .matrix-body h3 {
            font-size: 20px;
            line-height: 1.5;
            font-weight: 700;
            color: var(--letter-ink);
            margin-bottom: 8px;
        }

        .matrix-body p {
            font-size: 14px;
            line-height: 1.75;
            color: var(--soft-ink);
        }

        .matrix-body .matrix-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            margin-top: 14px;
            font-size: 14px;
            font-weight: 700;
            color: var(--accent);
        }

        .matrix-link svg {
            transition: transform 0.25s ease;
        }

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

        .flow-step {
            background: #fff;
            padding: 100px 0;
            border-top: 1px solid var(--line);
        }

        .flow-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 52px;
            counter-reset: stepCounter;
        }

        .flow-item {
            position: relative;
            border: 1px solid var(--line);
            border-radius: var(--radius-md);
            padding: 32px 26px;
            background: #fff;
            transition: all 0.3s var(--ease);
        }

        .flow-item:hover {
            border-color: rgba(13, 92, 71, 0.4);
            box-shadow: var(--shadow);
            transform: translateY(-3px);
        }

        .flow-item .num-chip {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            font-size: 17px;
            font-weight: 800;
            background: var(--primary-light);
            color: var(--primary);
            border-radius: 50%;
            margin-bottom: 18px;
            font-family: Inter, Bahnschrift, Arial, sans-serif;
        }

        .flow-item h3 {
            font-size: 20px;
            color: var(--letter-ink);
            font-weight: 700;
            margin-bottom: 8px;
        }

        .flow-item p {
            font-size: 14px;
            color: var(--soft-ink);
        }

        .contact-area {
            position: relative;
            background: var(--primary-deep);
            color: #fff;
            padding: 110px 0;
            overflow: hidden;
        }

        .contact-area::after {
            content: "";
            position: absolute;
            right: 0;
            bottom: 0;
            width: 50%;
            height: 70%;
            background-image: url('/assets/images/coverpic/cover-10.png');
            background-size: cover;
            background-position: left top;
            opacity: 0.18;
            transform: translate(8%, 4%);
            border-radius: 999px 0 0 0;
            pointer-events: none;
        }

        .contact-area .container {
            position: relative;
            z-index: 3;
        }

        .contact-grid {
            display: grid;
            grid-template-columns: 0.9fr 1.1fr;
            gap: 80px;
            align-items: start;
        }

        .contact-info h2 {
            font-size: 34px;
            line-height: 1.3;
            font-weight: 800;
            margin: 12px 0 16px;
        }

        .contact-info > p {
            max-width: 430px;
            color: rgba(255, 255, 255, 0.78);
            font-size: 16px;
            line-height: 1.8;
        }

        .contact-way-list {
            display: grid;
            gap: 12px;
            margin-top: 32px;
        }

        .contact-way {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            max-width: 420px;
            background: rgba(255, 255, 255, 0.08);
            border-radius: 12px;
            padding: 14px 16px;
            color: rgba(255, 255, 255, 0.88);
            font-size: 14px;
        }

        .contact-way svg {
            flex: 0 0 auto;
            margin-top: 4px;
            color: var(--accent);
        }

        .contact-form-card {
            background: #fff;
            color: var(--letter-ink);
            border-radius: var(--radius-lg);
            padding: 36px;
            box-shadow: 0 22px 70px rgba(0, 0, 0, 0.26);
        }

        .form-title {
            font-size: 24px;
            font-weight: 800;
            color: var(--letter-ink);
            margin-bottom: 4px;
        }

        .form-sub {
            font-size: 14px;
            color: var(--muted);
            margin-bottom: 26px;
        }

        .form-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 18px;
        }

        .form-item label {
            display: block;
            font-size: 14px;
            font-weight: 600;
            color: var(--letter-ink);
            margin-bottom: 6px;
        }

        .form-item input,
        .form-item select,
        .form-item textarea {
            width: 100%;
            height: 46px;
            border: 1px solid var(--line);
            border-radius: 10px;
            background: var(--bg);
            padding: 0 14px;
            font-size: 15px;
            color: var(--letter-ink);
            box-shadow: none;
            transition: border 0.25s ease, box-shadow 0.25s ease;
        }

        .form-item textarea {
            height: 112px;
            padding: 14px;
            resize: vertical;
        }

        .form-item input:focus,
        .form-item select:focus,
        .form-item textarea:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(13, 92, 71, 0.1);
            background: #fff;
            outline: none;
        }

        .form-item.full {
            grid-column: 1 / -1;
        }

        .form-status {
            display: none;
            margin-top: 18px;
            border-radius: 10px;
            padding: 12px 16px;
            font-size: 14px;
            line-height: 1.6;
        }

        .form-status.is-show {
            display: block;
        }

        .form-status.success {
            background: var(--primary-light);
            color: var(--primary);
        }

        .form-status.error {
            background: rgba(166, 65, 45, 0.09);
            color: var(--brick);
        }

        .faq-section {
            background: var(--bg);
            padding: 110px 0;
        }

        .faq-layout {
            display: grid;
            grid-template-columns: 0.85fr 1.15fr;
            gap: 70px;
            align-items: start;
        }

        .faq-intro {
            position: sticky;
            top: 120px;
        }

        .faq-intro .faq-help-block {
            background: var(--primary-light);
            padding: 28px;
            border-radius: var(--radius-md);
            margin-top: 28px;
        }

        .faq-help-block strong {
            display: block;
            font-size: 18px;
            font-weight: 700;
            color: var(--letter-ink);
            margin-bottom: 6px;
        }

        .faq-help-block p {
            font-size: 14px;
            line-height: 1.75;
            color: var(--soft-ink);
        }

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

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

        .faq-q {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 18px;
            padding: 24px 6px;
            text-align: left;
            background: transparent;
            border: 0;
            cursor: pointer;
            width: 100%;
            font-size: 17px;
            font-weight: 700;
            color: var(--letter-ink);
            transition: color 0.2s ease;
        }

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

        .faq-icon {
            position: relative;
            flex: 0 0 auto;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: var(--primary-light);
        }

        .faq-icon::before,
        .faq-icon::after {
            content: "";
            position: absolute;
            left: 50%;
            top: 50%;
            width: 10px;
            height: 1.6px;
            background: var(--primary);
            transform: translate(-50%, -50%);
            transition: transform 0.3s var(--ease);
        }

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

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

        .faq-a {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s var(--ease);
        }

        .faq-a-inner {
            padding: 0 28px 24px 6px;
            color: var(--soft-ink);
            font-size: 15px;
            line-height: 1.8;
        }

        .cta-band {
            background: var(--primary);
            padding: 84px 0;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .cta-band:after {
            content: "";
            position: absolute;
            top: 0;
            left: 38%;
            width: 1px;
            height: 100%;
            background: rgba(255, 255, 255, 0.14);
        }

        .cta-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 48px;
        }

        .cta-inner h2 {
            font-size: 34px;
            line-height: 1.4;
            font-weight: 800;
            margin-bottom: 10px;
        }

        .cta-inner p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 16px;
        }

        .cta-btn-group {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            justify-content: flex-end;
        }

        .back-top {
            position: fixed;
            right: 24px;
            bottom: 24px;
            width: 42px;
            height: 42px;
            border: 0;
            border-radius: 50%;
            background: var(--primary-deep);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            box-shadow: 0 12px 26px rgba(0, 0, 0, 0.18);
            opacity: 0;
            pointer-events: none;
            transform: translateY(8px);
            transition: all 0.3s var(--ease);
            z-index: 80;
        }

        .back-top.is-show {
            opacity: 1;
            pointer-events: auto;
            transform: translateY(0);
        }

        .back-top:hover {
            background: var(--primary);
        }

        footer.site-footer {
            background: var(--dark-wrap);
            color: rgba(255, 255, 255, 0.76);
            padding-top: 82px;
        }

        .footer-top {
            display: grid;
            grid-template-columns: 1.5fr 0.9fr 0.9fr 1.1fr;
            gap: 64px;
            padding-bottom: 64px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer-brand-name {
            font-size: 22px;
            font-weight: 800;
            color: #fff;
        }

        .footer-desc {
            font-size: 14px;
            line-height: 1.85;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 18px;
            max-width: 340px;
        }

        .footer-column h4 {
            font-size: 16px;
            color: #fff;
            margin-bottom: 18px;
            font-weight: 700;
        }

        .footer-links li {
            padding: 3px 0;
        }

        .footer-links a {
            display: inline-block;
            font-size: 14px;
            line-height: 32px;
            color: rgba(255, 255, 255, 0.66);
            transition: all 0.2s ease;
        }

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

        .footer-contact li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 14px;
            line-height: 24px;
            padding: 6px 0;
            color: rgba(255, 255, 255, 0.68);
        }

        .footer-contact svg {
            flex: 0 0 auto;
            margin-top: 4px;
            color: var(--accent);
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
            padding: 26px 0 34px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.44);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.56);
        }

        .footer-bottom a:hover {
            color: #fff;
        }

        @media (max-width: 1023.98px) {
            .section {
                padding: 76px 0;
            }

            .nav-search {
                order: 3;
                flex-basis: 100%;
                max-width: none;
                margin: 6px 0 0;
            }

            .header-inner {
                flex-wrap: wrap;
                gap: 12px;
            }

            .header-brand {
                margin-right: auto;
            }

            .header-nav-toggle {
                display: inline-flex;
                order: 2;
            }

            .main-nav {
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                align-items: stretch;
                margin-left: 0;
                padding: 0 24px;
                max-height: 0;
                overflow: hidden;
                opacity: 0;
                pointer-events: none;
                box-shadow: 0 16px 34px rgba(15, 45, 35, 0.08);
                transition: max-height 0.3s ease, opacity 0.2s ease;
            }

            .main-nav.is-open {
                max-height: 540px;
                opacity: 1;
                pointer-events: auto;
                padding-top: 16px;
                padding-bottom: 22px;
            }

            .site-nav-list {
                flex-direction: column;
                align-items: stretch;
                gap: 2px;
            }

            .site-nav-list a {
                justify-content: space-between;
                border-radius: 10px;
            }

            .nav-cta {
                margin-top: 10px;
            }

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

            .intro-figure {
                max-width: 640px;
            }

            .story-band {
                padding: 86px 0;
            }

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

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

            .split-block {
                padding: 72px 0;
            }

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

            .matrix-grid {
                gap: 18px;
            }

            .matrix-card:nth-child(1),
            .matrix-card:nth-child(2) {
                grid-column: span 3;
            }

            .matrix-card:nth-child(3),
            .matrix-card:nth-child(4),
            .matrix-card:nth-child(5) {
                grid-column: span 2;
            }

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

            .contact-grid {
                grid-template-columns: 1fr;
                gap: 48px;
            }

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

            .faq-intro {
                position: static;
            }

            .cta-inner {
                flex-direction: column;
                align-items: flex-start;
                gap: 20px;
            }

            .footer-top {
                grid-template-columns: 1fr 1fr;
                gap: 48px;
            }
        }

        @media (max-width: 767.98px) {
            .cat-hero {
                padding: 128px 0 72px;
            }

            .cat-hero h1 {
                font-size: 37px;
            }

            .cat-hero h1 em {
                font-size: 36px;
                height: 50px;
                line-height: 50px;
            }

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

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 28px 18px;
            }

            .stats-strip {
                padding: 20px 0;
            }

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

            .split-text h2,
            .band-title,
            .contact-info h2,
            .cta-inner h2 {
                font-size: 28px;
            }

            .band-process-grid {
                grid-template-columns: 1fr;
            }

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

            .matrix-card,
            .matrix-card:nth-child(1),
            .matrix-card:nth-child(2),
            .matrix-card:nth-child(3),
            .matrix-card:nth-child(4),
            .matrix-card:nth-child(5) {
                grid-column: span 1;
            }

            .matrix-card .matrix-pic,
            .matrix-card:nth-child(1) .matrix-pic {
                aspect-ratio: 16 / 10;
            }

            .flow-steps {
                grid-template-columns: 1fr;
                gap: 14px;
            }

            .contact-form-card {
                padding: 24px 20px;
            }

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

            .form-item.full {
                grid-column: auto;
            }

            .footer-top {
                grid-template-columns: 1fr;
                gap: 34px;
            }

            .footer-bottom {
                align-items: flex-start;
            }
        }

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

            .header-inner {
                gap: 8px;
            }

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

            .brand-text small {
                font-size: 10px;
                letter-spacing: 0.1em;
            }

            .cat-hero h1 {
                font-size: 32px;
                display: block;
            }

            .cat-hero h1 em {
                display: inline-block;
                margin-top: 14px;
                font-size: 31px;
                height: auto;
                padding: 4px 16px;
                line-height: 44px;
            }

            .cat-hero-actions {
                gap: 12px;
            }

            .cat-hero-actions .btn {
                width: calc(50% - 6px);
                padding: 0 12px;
                font-size: 14px;
            }

            .stats-grid {
                gap: 22px 14px;
            }

            .stat-item {
                padding-left: 16px;
            }

            .stat-item strong {
                font-size: 27px;
            }

            .intro-content .section-title {
                font-size: 29px;
            }

            .section-desc {
                font-size: 15px;
            }

            .cta-inner h2 {
                font-size: 27px;
            }

            .faq-q {
                font-size: 15px;
                line-height: 1.6;
                align-items: flex-start;
            }

            .faq-icon {
                margin-top: 2px;
            }
        }

        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                animation-duration: 0.01ms !important;
                transition-duration: 0.01ms !important;
            }

            html {
                scroll-behavior: auto;
            }
        }