/* roulang page: index */
:root {
        --primary: #0B3D2E;
        --primary-hover: #0F4E3B;
        --primary-deep: #0A241B;
        --accent: #C2A26D;
        --bg-warm: #F7F4EE;
        --bg-white: #FFFFFF;
        --ink: #1D2320;
        --ink-soft: #6F736D;
        --line: #E6E1D8;
        --radius-sm: 4px;
        --radius: 12px;
        --radius-lg: 20px;
        --shadow: 0 2px 8px rgba(20, 30, 20, 0.05);
        --shadow-hover: 0 8px 28px rgba(20, 30, 20, 0.10);
        --container: 1280px;
        --font-sans: "Source Han Sans SC", "Noto Sans CJK SC", "PingFang SC", "Microsoft YaHei", sans-serif;
        --font-serif: "Source Han Serif SC", "Noto Serif CJK SC", "SimSun", serif;
    }

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

    html {
        scroll-behavior: smooth;
    }

    body {
        margin: 0;
        font-family: var(--font-sans);
        font-size: 17px;
        line-height: 1.85;
        color: var(--ink);
        background: var(--bg-warm);
        -webkit-font-smoothing: antialiased;
    }

    a {
        color: var(--primary);
        text-decoration: none;
        transition: color 0.25s ease;
    }

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

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

    h1,
    h2,
    h3,
    h4,
    h5,
    h6 {
        font-family: var(--font-serif);
        line-height: 1.3;
        color: var(--ink);
    }

    h1,
    h2,
    h3,
    p,
    ul,
    figure {
        margin-top: 0;
    }

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

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

    .section {
        padding: 96px 0;
    }

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

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

    .section-head .kicker {
        font-size: 14px;
        letter-spacing: 0.2em;
        color: var(--accent);
        margin-bottom: 10px;
        font-weight: 600;
    }

    .section-head h2 {
        font-size: clamp(26px, 3vw, 40px);
        font-weight: 700;
        margin-bottom: 14px;
    }

    .section-head .divider-line {
        width: 36px;
        height: 3px;
        background: var(--accent);
        border-radius: 2px;
        margin-bottom: 20px;
    }

    .section-head p {
        font-size: 16px;
        color: var(--ink-soft);
        max-width: 720px;
    }

    .btn-brand {
        --bs-btn-color: #ffffff;
        --bs-btn-bg: var(--primary);
        --bs-btn-border-color: var(--primary);
        --bs-btn-hover-color: #ffffff;
        --bs-btn-hover-bg: var(--primary-hover);
        --bs-btn-hover-border-color: var(--primary-hover);
        --bs-btn-active-color: #ffffff;
        --bs-btn-active-bg: var(--primary-hover);
        --bs-btn-active-border-color: var(--primary-hover);
        border-radius: 6px;
        padding: 12px 28px;
        font-weight: 600;
        font-size: 16px;
        box-shadow: 0 0 0 transparent;
        transition: all 0.3s ease;
        gap: 8px;
    }

    .btn-brand:hover,
    .btn-brand:focus {
        transform: translateY(-2px);
        box-shadow: var(--shadow-hover);
    }

    .btn-outline-brand {
        --bs-btn-color: var(--primary);
        --bs-btn-border-color: var(--primary);
        --bs-btn-bg: transparent;
        --bs-btn-hover-color: var(--primary);
        --bs-btn-hover-bg: rgba(194, 162, 109, 0.06);
        --bs-btn-hover-border-color: var(--accent);
        border-radius: 6px;
        padding: 12px 28px;
        font-weight: 600;
        font-size: 16px;
        transition: all 0.3s ease;
    }

    .btn-outline-brand:hover,
    .btn-outline-brand:focus {
        transform: translateY(-2px);
        box-shadow: var(--shadow);
        border-color: var(--accent);
        color: var(--primary);
    }

    .section-badge {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        padding: 6px 16px;
        border-radius: 999px;
        background: rgba(194, 162, 109, 0.12);
        color: var(--primary);
        font-size: 14px;
        font-weight: 600;
        letter-spacing: 0.04em;
        border: 1px solid rgba(194, 162, 109, 0.25);
    }

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

    .bg-line {
        background: var(--line);
    }

    /* ========== Header ========== */
    .site-header {
        background: rgba(247, 244, 238, 0.9);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        border-bottom: 1px solid var(--line);
        position: sticky;
        top: 0;
        z-index: 1045;
    }

    .site-header .top-nav {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 24px;
        padding-top: 14px;
        padding-bottom: 14px;
    }

    .brand-logo {
        display: inline-flex;
        align-items: center;
        gap: 12px;
        color: var(--primary);
        line-height: 1.2;
        flex-shrink: 0;
    }

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

    .brand-logo .seal {
        width: 44px;
        height: 44px;
        border-radius: 12px;
        background: var(--primary);
        color: var(--bg-warm);
        display: inline-flex;
        align-items: center;
        justify-content: center;
        font-family: var(--font-serif);
        font-size: 20px;
        font-weight: 700;
        box-shadow: 0 4px 10px rgba(11, 61, 46, 0.2);
    }

    .brand-logo .logo-text {
        display: flex;
        flex-direction: column;
        gap: 2px;
    }

    .brand-logo .logo-text strong {
        font-size: 23px;
        font-weight: 700;
        font-family: var(--font-serif);
        letter-spacing: 0.02em;
    }

    .brand-logo .logo-text small {
        font-size: 11px;
        letter-spacing: 0.24em;
        color: var(--accent);
        font-weight: 500;
    }

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

    .search-toggle {
        width: 40px;
        height: 40px;
        border-radius: 50%;
        border: 1px solid var(--line);
        background: transparent;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        color: var(--primary);
        transition: all .3s ease;
        font-size: 15px;
    }

    .search-toggle:hover {
        background: rgba(11, 61, 46, 0.05);
    }

    .site-header .search-expand {
        position: absolute;
        left: 0;
        right: 0;
        top: 100%;
        background: rgba(247, 244, 238, 0.98);
        padding: 16px 0;
        border-bottom: 1px solid var(--line);
        display: none;
        box-shadow: var(--shadow);
    }

    .site-header .search-expand.show {
        display: block;
    }

    .search-expand form {
        display: flex;
        gap: 10px;
        max-width: 720px;
        margin: 0 auto;
    }

    .search-expand input {
        border-radius: var(--radius);
        border: 1px solid var(--line);
        padding: 12px 18px;
        width: 100%;
        font-size: 16px;
        outline: none;
        background: #fff;
        color: var(--ink);
        transition: border 0.3s ease;
    }

    .search-expand input:focus {
        border-color: var(--accent);
        box-shadow: 0 0 0 3px rgba(194, 162, 109, 0.15);
    }

    .search-expand button {
        border-radius: var(--radius);
        border: none;
        background: var(--primary);
        color: #fff;
        padding: 0 22px;
        font-weight: 600;
    }

    .navbar-second {
        border-top: 1px solid rgba(230, 225, 216, 0.6);
        padding: 0;
    }

    .channel-nav {
        display: flex;
        flex-wrap: nowrap;
        gap: 6px;
        overflow-x: auto;
        white-space: nowrap;
        padding-bottom: 10px;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }

    .channel-nav::-webkit-scrollbar {
        display: none;
    }

    .channel-nav a {
        display: inline-flex;
        align-items: center;
        margin: 0 2px;
        padding: 7px 18px;
        border-radius: 20px;
        font-size: 15px;
        font-weight: 600;
        color: var(--ink-soft);
        border: 1px solid transparent;
        transition: all .25s ease;
        text-decoration: none;
    }

    .channel-nav a:first-child {
        margin-left: 0;
    }

    .channel-nav a i {
        font-size: 13px;
        margin-right: 8px;
        color: var(--accent);
    }

    .channel-nav a:hover {
        background: rgba(11, 61, 46, 0.05);
        color: var(--primary);
        border-color: transparent;
    }

    .channel-nav a.active {
        background: var(--primary);
        color: var(--bg-warm);
        border-color: var(--primary);
    }

    .channel-nav a.active i {
        color: var(--accent);
    }

    /* ========== Mobile Header ========== */
    .mobile-actions {
        display: flex;
        align-items: center;
        gap: 8px;
    }

    .mobile-actions .btn {
        font-size: 13px !important;
        padding: 8px 14px !important;
    }

    @media (min-width: 992px) {
        .mobile-actions .btn-brand {
            display: inline-flex;
        }
    }

    @media (max-width: 575.98px) {
        .brand-logo .seal {
            width: 38px;
            height: 38px;
            font-size: 18px;
            border-radius: 10px;
        }
        .brand-logo .logo-text strong {
            font-size: 19px;
        }
        .brand-logo .logo-text small {
            display: none;
        }
        .site-header .top-nav {
            padding-top: 10px;
            padding-bottom: 10px;
        }
        .header-actions {
            gap: 8px;
        }
        .header-cta {
            display: none;
        }
        .channel-nav a {
            padding: 6px 14px;
            font-size: 14px;
        }
        .channel-nav a i {
            margin-right: 4px;
        }
        .container-xl {
            padding-left: 16px;
            padding-right: 16px;
        }
        .section {
            padding: 64px 0;
        }
    }

    /* ========== Hero ========== */
    .hero {
        background-color: var(--primary-deep);
        background-image: linear-gradient(rgba(10, 36, 27, 0.82), rgba(10, 36, 27, 0.86)), url('/assets/images/backpic/back-1.webp');
        background-size: cover;
        background-position: center center;
        color: var(--bg-warm);
        position: relative;
        overflow: hidden;
    }

    .hero .container-xl {
        padding-top: 80px;
        padding-bottom: 72px;
    }

    .hero-inner {
        display: flex;
        grid-template-columns: 1fr 1fr;
        align-items: center;
        gap: 60px;
    }

    .hero-copy {
        max-width: 640px;
    }

    .hero-eyebrow {
        display: inline-flex;
        align-items: center;
        background: rgba(194, 162, 109, 0.14);
        border-radius: 999px;
        border: 1px solid rgba(194, 162, 109, 0.3);
        padding: 6px 12px;
        font-size: 13px;
        gap: 6px;
        color: #D9C08F;
        letter-spacing: 0.05em;
        margin-bottom: 22px;
    }

    .hero-copy h1 {
        color: #fff;
        font-size: clamp(32px, 5vw, 52px);
        font-weight: 700;
        line-height: 1.18;
        margin-bottom: 20px;
    }

    .hero-copy h1 .spacer-dot {
        color: var(--accent);
    }

    .hero-lead {
        font-size: 18px;
        line-height: 1.9;
        color: rgba(247, 244, 238, 0.86);
        margin-top: 8px;
        margin-bottom: 26px;
        max-width: 580px;
        font-weight: 400;
    }

    .hero-actions {
        display: flex;
        flex-wrap: wrap;
        gap: 14px;
    }

    .hero-actions .btn-brand {
        background: var(--bg-warm);
        color: var(--primary);
        border: none;
    }

    .hero-actions .btn-brand:hover {
        background: #fff;
    }

    .hero-visual {
        position: relative;
        border-radius: 24px;
        overflow: hidden;
        box-shadow: 0 18px 48px rgba(0, 0, 0, 0.25);
        aspect-ratio: 4 / 3;
    }

    .hero-visual img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }

    .hero-visual::after {
        content: "";
        position: absolute;
        inset: 0;
        background: linear-gradient(180deg, transparent 55%, rgba(10, 36, 27, 0.35) 100%);
        pointer-events: none;
    }

    .hero-scroll-line {
        display: flex;
        align-items: center;
        gap: 10px;
        margin-top: 56px;
        color: rgba(194, 162, 109, 0.8);
        font-size: 13px;
    }

    .hero-scroll-line .line-hr {
        background: rgba(194, 162, 109, 0.5);
        height: 1px;
        width: 90px;
        display: block;
    }

    @media (max-width: 992px) {
        .hero-inner {
            grid-template-columns: 1fr;
            gap: 32px;
        }
        .hero .container-xl {
            padding-top: 56px;
            padding-bottom: 56px;
        }
        .hero-visual {
            display: none;
        }
    }

    @media (max-width: 767px) {
        .hero-copy h1 {
            font-size: 30px;
        }
        .hero-lead {
            font-size: 16px;
        }
        .hero-scroll-line {
            display: none;
        }
    }

    /* ========== Feature tri-block ========== */
    .feature-grid {
        display: grid;
        grid-template-columns: repeat(12, 1fr);
        gap: 24px;
    }

    .feature-main {
        grid-column: span 5;
        background: var(--bg-white);
        border-radius: var(--radius-lg);
        box-shadow: var(--shadow);
        overflow: hidden;
        display: flex;
        flex-direction: column;
    }

    .feature-main .feature-img {
        height: 190px;
        width: 100%;
        object-fit: cover;
        display: block;
    }

    .feature-main .feature-content {
        padding: 32px;
        display: flex;
        flex-direction: column;
        flex: 1;
    }

    .feature-index {
        font-family: var(--font-serif);
        font-size: 34px;
        font-weight: 600;
        color: var(--accent);
        line-height: 1;
        margin-bottom: 10px;
    }

    .feature-title {
        font-size: 23px;
        font-weight: 600;
        margin-bottom: 14px;
    }

    .feature-desc {
        font-size: 15px;
        color: var(--ink-soft);
        line-height: 1.85;
        margin-bottom: 18px;
    }

    .feature-main .feature-desc {
        font-size: 16px;
    }

    .feature-side {
        grid-column: span 7;
        display: flex;
        flex-direction: column;
        gap: 24px;
    }

    .feature-side-card {
        background: var(--bg-white);
        border-radius: var(--radius-lg);
        box-shadow: var(--shadow);
        padding: 28px 32px;
        display: flex;
        flex-wrap: wrap;
        align-items: flex-start;
        gap: 18px;
        position: relative;
        transition: box-shadow .3s ease, transform .3s ease;
    }

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

    .side-icon-badge {
        width: 54px;
        height: 54px;
        border-radius: 50%;
        background: rgba(194, 162, 109, 0.12);
        color: var(--primary);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 20px;
        border: 1px solid rgba(194, 162, 109, 0.25);
        flex-shrink: 0;
    }

    .feature-side-card .card-text {
        flex: 1;
        min-width: 220px;
    }

    .feature-side-card h3 {
        font-size: 20px;
        font-weight: 600;
        margin-bottom: 8px;
    }

    .feature-side-card p {
        font-size: 15px;
        color: var(--ink-soft);
        margin: 0;
    }

    @media (max-width: 991px) {
        .feature-grid {
            grid-template-columns: 1fr;
        }
        .feature-main {
            grid-column: span 1;
        }
        .feature-side {
            grid-column: span 1;
        }
        .feature-main .feature-img {
            height: 220px;
        }
    }

    /* ========== Scenario section ========== */
    .scenario-row {
        display: flex;
        flex-direction: row;
        align-items: center;
        gap: 48px;
        margin-bottom: 64px;
    }

    .scenario-row.reverse {
        flex-direction: row-reverse;
    }

    .scenario-media {
        flex: 0 0 53%;
        max-width: 53%;
        border-radius: var(--radius-lg);
        overflow: hidden;
        box-shadow: var(--shadow)
    }

    .scenario-media img {
        width: 100%;
        aspect-ratio: 16/9;
        object-fit: cover;
        transition: transform .5s ease;
    }

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

    .scenario-info {
        flex: 1;
    }

    .scenario-info .step-tag {
        font-size: 13px;
        color: var(--accent);
        letter-spacing: 0.12em;
        font-weight: 600;
        margin-bottom: 12px;
        display: inline-flex;
        align-items: center;
        gap: 8px;
    }

    .scenario-info h3 {
        font-size: 24px;
        font-weight: 600;
        margin-bottom: 14px;
        line-height: 1.4;
    }

    .scenario-info p {
        color: var(--ink-soft);
        margin-bottom: 16px;
        max-width: 100%;
        font-size: 15px;
        line-height: 1.8;
    }

    .process-pill {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background: #fff;
        border: 1px solid var(--line);
        border-radius: 999px;
        padding: 8px 14px;
        font-size: 14px;
        font-weight: 500;
        margin-top: 8px;
        margin-right: 8px;
        color: var(--primary);
        transition: border-color .3s ease;
    }

    .process-pill i {
        color: var(--accent);
    }

    .process-pill:hover {
        border-color: var(--accent);
    }

    @media (max-width: 991px) {
        .scenario-row,
        .scenario-row.reverse {
            flex-direction: column;
        }
        .scenario-media {
            max-width: 100%;
            flex: 1 1 100%;
        }
        .scenario-row:last-child {
            margin-bottom: 0;
        }
    }

    /* ========== News Section ========== */
    .news-area {
        background: #fff;
    }

    .news-grid {
        display: grid;
        grid-template-columns: repeat(12, 1fr);
        gap: 24px;
    }

    .news-featured {
        grid-column: span 4;
    }

    .news-side-list {
        grid-column: span 8;
    }

    .news-card-large {
        background: #fff;
        border-radius: var(--radius-lg);
        border: 1px solid var(--line);
        box-shadow: var(--shadow);
        overflow: hidden;
        transition: box-shadow .3s, transform .3s;
        height: 100%;
    }

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

    .news-card-large .img-wrap {
        height: 210px;
        overflow: hidden;
    }

    .news-card-large .img-wrap img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform .5s ease;
    }

    .news-card-large:hover .img-wrap img {
        transform: scale(1.03);
    }

    .news-card-large .news-body {
        padding: 24px;
    }

    .news-cat-tag {
        font-size: 12px;
        letter-spacing: 0.06em;
        text-transform: uppercase;
        background: rgba(194, 162, 109, 0.12);
        color: var(--primary);
        padding: 4px 10px;
        border-radius: 999px;
        display: inline-block;
        font-weight: 600;
    }

    .news-title {
        font-size: 19px;
        font-weight: 600;
        margin: 14px 0 8px;
        color: var(--ink);
        line-height: 1.5;
    }

    .news-excerpt {
        font-size: 14px;
        color: var(--ink-soft);
        line-height: 1.8;
        overflow: hidden;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        margin-bottom: 14px;
    }

    .news-meta {
        display: flex;
        align-items: center;
        gap: 14px;
        font-size: 13px;
        color: var(--ink-soft);
        border-top: 1px solid var(--line);
        padding-top: 12px;
    }

    .news-meta .read-link {
        margin-left: auto;
        font-weight: 600;
        color: var(--primary);
        display: inline-flex;
        align-items: center;
        gap: 4px;
        transition: gap .3s ease;
    }

    .news-meta .read-link:hover {
        gap: 8px;
        color: var(--primary-hover);
    }

    .news-list-item {
        background: #fff;
        border: 1px solid var(--line);
        border-radius: var(--radius);
        padding: 18px 22px;
        display: flex;
        align-items: center;
        gap: 18px;
        transition: box-shadow .3s ease, border-color .3s ease;
        margin-bottom: 14px;
    }

    .news-list-item:hover {
        border-color: rgba(194, 162, 109, 0.5);
        box-shadow: var(--shadow);
    }

    .news-list-icon {
        flex: 0 0 34px;
        height: 34px;
        width: 34px;
        border-radius: 50%;
        background: var(--bg-warm);
        display: inline-flex;
        align-items: center;
        justify-content: center;
        color: var(--accent);
        font-size: 14px;
    }

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

    .news-list-title {
        font-size: 16px;
        font-weight: 600;
        margin-bottom: 4px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .news-list-excerpt {
        font-size: 14px;
        color: var(--ink-soft);
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .news-list-date {
        flex-shrink: 0;
        font-size: 13px;
        color: var(--ink-soft);
        background: var(--bg-warm);
        padding: 4px 12px;
        border-radius: 999px;
    }

    .news-list-more {
        text-align: center;
        margin-top: 24px;
    }

    @media (max-width: 991px) {
        .news-grid {
            grid-template-columns: 1fr;
        }
        .news-featured,
        .news-side-list {
            grid-column: 1;
        }
        .news-card-large .img-wrap {
            height: 190px;
        }
    }

    @media (max-width: 575px) {
        .news-list-item {
            flex-wrap: wrap;
        }
        .news-list-content {
            order: 1;
            flex-basis: calc(100% - 50px);
        }
        .news-list-date {
            display: none;
        }
    }

    /* ========== Trust / Snippet ========== */
    .trust-section {
        background: var(--bg-warm);
    }

    .quote-grid {
        display: grid;
        grid-template-columns: repeat(12, 1fr);
        gap: 24px;
    }

    .quote-card {
        grid-column: span 6;
        background: #fff;
        padding: 40px 36px;
        border-radius: 16px;
        border: 1px solid var(--line);
        border-left: 4px solid var(--accent);
        box-shadow: var(--shadow);
        position: relative;
    }

    .quote-card q {
        display: block;
        font-size: 16px;
        line-height: 2;
        color: var(--ink);
        quotes: none;
        font-family: var(--font-serif);
    }

    .quote-card .quote-source {
        margin-top: 18px;
        font-size: 14px;
        color: var(--ink-soft);
    }

    .quote-card .quote-source span {
        background: var(--bg-warm);
        padding: 5px 12px;
        border-radius: 999px;
        font-weight: 600;
        margin-right: 8px;
        color: var(--primary);
    }

    @media (max-width: 991px) {
        .quote-card {
            grid-column: span 12;
        }
    }

    .yearline {
        margin-top: 48px;
        display: flex;
        flex-wrap: wrap;
        gap: 12px;
        justify-content: center;
    }

    .yearline .dot {
        width: 8px;
        height: 8px;
        background: var(--accent);
        border-radius: 50%;
        display: inline-block;
        margin-right: 6px;
        vertical-align: middle;
    }

    .year-item {
        background: #fff;
        border: 1px solid var(--line);
        border-radius: 999px;
        padding: 12px 22px;
        font-size: 14px;
        display: inline-flex;
        align-items: center;
        gap: 8px;
        box-shadow: var(--shadow);
        color: var(--ink);
    }

    .year-item strong {
        font-size: 18px;
        color: var(--primary);
        font-family: var(--font-serif);
    }

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

    .flow-step {
        background: var(--bg-white);
        border-radius: var(--radius-lg);
        border: 1px solid var(--line);
        padding: 30px 24px;
        position: relative;
        transition: box-shadow .3s, transform .3s;
    }

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

    .flow-step::before {
        counter-increment: step;
        content: counter(step, decimal-leading-zero);
        font-family: var(--font-serif);
        font-size: 27px;
        color: var(--accent);
        display: block;
        margin-bottom: 12px;
        font-weight: 600;
    }

    .flow-step h3 {
        font-size: 18px;
        font-weight: 600;
        margin-bottom: 12px;
    }

    .flow-step p {
        font-size: 14px;
        color: var(--ink-soft);
        line-height: 1.85;
        margin: 0;
    }

    @media (max-width: 991px) {
        .flow-steps {
            grid-template-columns: repeat(2, 1fr);
        }
    }

    @media (max-width: 575px) {
        .flow-steps {
            grid-template-columns: 1fr;
        }
    }

    /* ========== CTA area ========== */
    .cta-footer-area {
        background-color: var(--primary);
        background-image: url('/assets/images/backpic/back-2.webp');
        background-size: cover;
        background-position: center center;
        background-blend-mode: overlay;
        color: #fff;
        text-align: center;
        padding: 80px 0;
    }

    .cta-footer-area h2 {
        color: #fff;
        font-size: clamp(26px, 3.4vw, 40px);
        font-weight: 600;
        margin-bottom: 14px;
    }

    .cta-footer-area p {
        max-width: 620px;
        margin: 0 auto 32px;
        color: rgba(255, 255, 255, 0.82);
        font-size: 16px;
        line-height: 1.9;
    }

    .cta-footer-area .btn-brand {
        background: #fff;
        color: var(--primary);
        padding: 12px 36px;
        font-size: 17px;
    }

    .cta-footer-area .btn-brand:hover {
        background: var(--bg-warm);
    }

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

    .custom-accordion .accordion-item {
        border-radius: 12px;
        border: 1px solid var(--line);
        background: #fff;
        margin-bottom: 16px;
        overflow: hidden;
        box-shadow: var(--shadow);
        border-left: 4px solid transparent;
        transition: border-left .3s ease;
    }

    .custom-accordion .accordion-item:has(.accordion-button:not(.collapsed)) {
        border-left: 4px solid var(--primary);
    }

    .custom-accordion .accordion-button {
        background: #fff;
        color: var(--ink);
        font-weight: 600;
        font-size: 16px;
        padding: 20px 24px;
        border: none;
        box-shadow: none;
        gap: 12px;
    }

    .custom-accordion .accordion-button:focus {
        box-shadow: 0 0 0 3px rgba(194, 162, 109, 0.25);
        border-radius: 12px;
    }

    .custom-accordion .accordion-button::after {
        opacity: .5;
    }

    .custom-accordion .accordion-button:not(.collapsed) {
        background: #fff;
        box-shadow: none;
        color: var(--primary);
    }

    .custom-accordion .accordion-button .qa-label {
        background: rgba(11, 61, 46, 0.08);
        color: var(--primary);
        border-radius: 8px;
        padding: 2px 10px;
        font-size: 13px;
        font-weight: 700;
        flex-shrink: 0;
    }

    .custom-accordion .accordion-body {
        padding: 0 24px 20px 64px;
        font-size: 15px;
        color: var(--ink-soft);
        line-height: 1.85;
        background: #fff;
    }

    @media (max-width: 575px) {
        .custom-accordion .accordion-body {
            padding: 0 18px 18px 54px;
        }
    }

    /* ========== Footer ========== */
    .site-footer {
        background: var(--primary-deep);
        color: rgba(247, 244, 238, 0.72);
        padding-top: 72px;
        padding-bottom: 28px;
    }

    .site-footer h4 {
        color: #fff;
        font-size: 17px;
        font-weight: 600;
        margin-bottom: 18px;
    }

    .site-footer .footer-brand {
        color: #fff;
        font-size: 22px;
        font-family: var(--font-serif);
        margin-bottom: 10px;
        display: inline-block;
    }

    .site-footer .footer-note {
        font-size: 14px;
        line-height: 1.9;
    }

    .footer-links {
        list-style-type: none;
        padding: 0 0 0 0;
        margin: 0;
    }

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

    .footer-links a {
        font-size: 14px;
        color: rgba(247, 244, 238, 0.75);
        text-decoration: none;
        transition: all .25s ease;
        display: inline-block;
    }

    .footer-links a:hover {
        color: var(--accent);
        transform: translateX(4px);
    }

    .footer-divider {
        border-top: 1px solid rgba(255, 255, 255, 0.08);
        margin: 48px 0 24px;
    }

    .footer-bottom {
        display: flex;
        justify-content: space-between;
        align-items: center;
        flex-wrap: wrap;
        gap: 12px;
        font-size: 13px;
        color: rgba(247, 244, 238, 0.5);
    }

    .footer-bottom .domain {
        color: rgba(247, 244, 238, 0.8);
    }

    /* ========== Sticky mobile bar ========== */
    .mobile-sticky {
        display: none;
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        z-index: 1060;
        background: rgba(255, 255, 255, 0.88);
        backdrop-filter: blur(16px);
        border-top: 1px solid var(--line);
        min-height: 64px;
        padding: 10px 20px;
        align-items: center;
        justify-content: space-between;
        gap: 12px;
        box-shadow: 0 -4px 20px rgba(20, 30, 20, 0.06);
    }

    .media-mobile-sticky {
        font-size: 14px;
        color: var(--primary);
        font-weight: 500;
        line-height: 1.4;
        flex: 1;
    }

    .media-mobile-sticky i {
        color: var(--accent);
        margin-right: 6px;
    }

    .mobile-sticky .btn {
        border-radius: 6px;
        padding: 8px 14px;
        font-size: 14px;
        font-weight: 600;
    }

    .mobile-sticky .btn-close-sticky {
        background: none;
        border: none;
        color: var(--ink-soft);
        font-size: 18px;
        cursor: pointer;
        padding: 0 4px;
        margin-left: 4px;
    }

    @media (max-width: 767px) {
        .mobile-sticky.show {
            display: flex;
        }
    }

    /* ================================================= */
    /* ===== Reveal animation                         ===== */
    /* ================================================= */
    .reveal {
        opacity: 0;
        transform: translateY(12px);
        transition: opacity .5s ease, transform .5s ease;
    }

    .reveal.visible {
        opacity: 1;
        transform: translateY(0);
    }

    @media (prefers-reduced-motion: reduce) {
        .reveal {
            opacity: 1;
            transform: none;
            transition: none;
        }
        .news-card-large,
        .feature-side-card,
        .flow-step,
        .btn-brand,
        .btn-outline-brand,
        .scenario-media img {
            transition: none !important;
        }
        html {
            scroll-behavior: auto;
        }
    }

    /* ================================================= */
    /* ===== Buttons/link underline effect            ===== */
    /* ================================================= */
    .underline-link {
        position: relative;
        display: inline-block;
        text-decoration: none;
    }

    .underline-link::after {
        content: "";
        position: absolute;
        bottom: -2px;
        left: 0;
        width: 0;
        height: 1px;
        background: var(--accent);
        transition: width .3s ease;
    }

    .underline-link:hover::after {
        width: 100%;
    }

    /* Section spacers for category / article pages prepped */
    .content-card {
        background: #fff;
        border-radius: var(--radius);
        padding: 28px 24px;
        border: 1px solid var(--line);
        box-shadow: var(--shadow);
    }

    .text-line-small {
        font-size: 14px;
        color: var(--ink-soft);
    }

    /* ================================================= */
    /* ===== Bootstrap overrides =====================  */
    /* ================================================= */
    .accordion-button:not(.collapsed)::after {
        filter: none;
    }

    .accordion-button::after {
        background-image: var(--bs-accordion-btn-icon);
    }

    .btn:focus-visible,
    .form-control:focus-visible,
    .form-check-input:focus-visible,
    a:focus-visible {
        outline: 3px solid rgba(194, 162, 109, 0.35);
        outline-offset: 2px;
        box-shadow: none;
    }

    .nav-link:focus-visible,
    .btn:focus-visible {
        box-shadow: none;
    }

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

    .btn-primary {
        --bs-btn-border-radius: 6px;
    }

    .card {
        --bs-card-border-radius: 16px;
        --bs-card-inner-border-radius: 16px;
        border-color: var(--line);
        box-shadow: var(--shadow);
    }

    a img {
        display: block;
    }

    :focus:not(:focus-visible) {
        outline: none;
    }

    .form-control {
        border-radius: 8px;
    }

/* roulang page: category1 */
/* ========== Design Token ========== */
    :root {
        --primary: #0B3D2E;
        --primary-hover: #0F4E3B;
        --primary-deep: #0A241B;
        --accent: #C2A26D;
        --accent-light: #D9C7A6;
        --bg: #F7F4EE;
        --card-bg: #FFFFFF;
        --ink: #1D2320;
        --text-muted: #6F736D;
        --border: #E6E1D8;
        --white-soft: #FFFFFFCC;
        --r-sm: 4px;
        --r-md: 12px;
        --r-lg: 20px;
        --shadow-sm: 0 2px 8px rgba(20, 30, 20, 0.05);
        --shadow-md: 0 8px 28px rgba(20, 30, 20, 0.10);
        --font-sans: "Source Han Sans SC", "Noto Sans CJK SC", "PingFang SC", "Microsoft YaHei", sans-serif;
        --font-serif: "Source Han Serif SC", "Noto Serif CJK SC", "SimSun", serif;
        --spacer-1: 24px;
        --spacer-2: 48px;
        --spacer-3: 96px;
    }

    /* ========== Reset & Base ========== */
    *, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    @media (prefers-reduced-motion: reduce) {
        html { scroll-behavior: auto; }
        *, *::before, *::after {
            animation-duration: 0.01ms !important;
            animation-iteration-count: 1 !important;
            transition-duration: 0.01ms !important;
        }
    }
    body {
        margin: 0;
        font-family: var(--font-sans);
        font-size: 16px;
        line-height: 1.85;
        color: var(--ink);
        background-color: var(--bg);
        -webkit-font-smoothing: antialiased;
    }
    a { color: var(--primary); text-decoration: none; transition: color .2s ease; }
    a:hover { color: var(--primary-hover); }
    img { max-width: 100%; height: auto; }
    ::selection { background: rgba(194, 162, 109, .28); }

    .container-xl { max-width: 1280px; padding-left: 24px; padding-right: 24px; margin: 0 auto; }
    .container { max-width: 1140px; }
    section { position: relative; }

    /* ========== Buttons ========== */
    .btn {
        border-radius: 6px;
        font-size: 15px;
        font-weight: 500;
        padding: 10px 28px;
        transition: all .25s ease;
    }
    .btn-brand {
        background-color: var(--primary);
        color: #F7F4EE;
        border: 1px solid var(--primary);
    }
    .btn-brand:hover, .btn-brand:active, .btn-brand:focus {
        background: var(--primary-hover);
        color: #FFF;
        border: 1px solid var(--primary-hover);
        transform: translateY(-1px);
        box-shadow: var(--shadow-sm);
    }
    .btn-outline {
        background-color: transparent;
        color: var(--primary);
        border: 1px solid var(--primary);
    }
    .btn-outline:hover, .btn-outline:focus, .btn-outline:active {
        border-color: var(--accent);
        background: rgba(194, 162, 109, .08);
        color: var(--primary);
        transform: translateY(-1px);
    }
    .btn-ghost {
        background: transparent;
        border: none;
        color: var(--primary);
    }
    .btn-ghost:hover { background: rgba(11, 61, 46, .07); }

    /* ========== Header ========== */
    .site-header { position: sticky; top: 0; width: 100%; z-index: 1050; background: rgba(247,244,238,.90); border-bottom: 1px solid rgba(230,225,216,.9); }
    .top-nav { display: flex; align-items: center; justify-content: space-between; padding: 14px 0; }
    .brand-logo { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; }
    .brand-logo .seal {
        width: 44px; height: 44px; border-radius: 8px; background: var(--primary);
        color: var(--accent); font-family: var(--font-serif); font-size: 22px;
        font-weight: 700; display: flex; align-items: center; justify-content: center;
        box-shadow: inset 0 0 0 1px rgba(194,162,109,.55);
        letter-spacing: 1px;
    }
    .brand-logo .logo-text { display: flex; flex-direction: column; line-height: 1.2; }
    .brand-logo .logo-text strong { font-size: 21px; font-weight: 700; color: var(--primary); letter-spacing: 1px; }
    .brand-logo .logo-text small { font-size: 10px; letter-spacing: 2.2px; color: var(--accent); text-transform: uppercase; }
    .header-actions { display: flex; align-items: center; gap: 12px; }
    .search-toggle {
        background: none; border: none; color: var(--primary);
        font-size: 19px; width: 40px; height: 40px; border-radius: 50%;
        display: inline-flex; align-items: center; justify-content: center;
        transition: background .2s ease;
    }
    .search-toggle:hover { background: rgba(11, 61, 46, .07); }
    .header-cta { padding: 8px 22px; font-size: 14px; }
    .navbar-second {
        position: relative; background: rgba(247,244,238,1);
        transition: box-shadow .25s ease;
    }
    .navbar-second.scrolled { box-shadow: 0 6px 18px rgba(20, 30, 20, .08); }
    .channel-nav { display: flex; align-items: center; gap: 4px; overflow-x: auto; padding-bottom: 8px; padding-top: 4px; scrollbar-width: none; }
    .channel-nav::-webkit-scrollbar { display: none; }
    .channel-nav a {
        flex-shrink: 0; padding: 7px 20px; border-radius: 999px;
        font-size: 15px; font-weight: 500; color: var(--ink);
        display: inline-flex; align-items: center; gap: 6px;
        background: transparent; transition: all .25s ease;
    }
    .channel-nav a i { font-size: .95em; color: var(--text-muted); transition: color .2s; }
    .channel-nav a:hover { background: rgba(194, 162, 109, .14); color: var(--primary); }
    .channel-nav a.active { background: var(--primary); color: #F7F4EE; }
    .channel-nav a.active i { color: var(--accent); }

    /* search expand */
    .search-expand { max-height: 0; overflow: hidden; transition: max-height .45s ease, padding .3s ease; background: var(--bg); }
    .search-expand.open { max-height: 100px; }
    .search-expand form { display: flex; align-items: center; gap: 8px; padding: 12px 0; }
    .search-expand input {
        flex: 1; border: 1px solid var(--border); border-radius: 6px;
        padding: 10px 18px; font-size: 15px; background: #fff;
        color: var(--ink);
    }
    .search-expand input:focus { outline: 2px solid var(--accent); border-color: var(--accent); }
    .search-expand button {
        background: var(--primary); border: none; border-radius: 6px;
        color: #F7F4EE; padding: 10px 22px; font-size: 14px;
    }

    /* ========== Hero ========== */
    .page-hero {
        background: linear-gradient(rgba(11, 44, 32, .84), rgba(11, 51, 38, .70)), url('/assets/images/backpic/back-2.webp') center center/cover no-repeat;
        padding: 90px 0 70px;
        color: #F3F0E9;
        border-bottom: 1px solid rgba(194,162,109,.4);
    }
    .page-hero .hero-inner { display: flex; justify-content: space-between; align-items: flex-end; gap: 60px; flex-wrap: wrap; }
    .hero-copy { flex: 0 1 720px; }
    .hero-label {
        display: inline-flex; align-items: center; gap: 8px;
        font-size: 13px; letter-spacing: 3px; text-transform: uppercase;
        color: var(--accent); margin-bottom: 24px; font-weight: 600;
    }
    .hero-label::before { content: ''; width: 34px; height: 1px; background: var(--accent); }
    .page-hero h1 {
        font-family: var(--font-serif);
        font-size: clamp(30px, 4.8vw, 52px);
        color: #FFF;
        line-height: 1.25;
        margin-bottom: 22px;
    }
    .page-hero h1 span { color: var(--accent); }
    .page-hero .lead { font-size: 17px; line-height: 1.9; color: rgba(255,255,255,.78); max-width: 640px; }
    .hero-facts {
        display: flex; gap: 24px; margin-top: 36px; flex-wrap: wrap;
    }
    .hero-facts span { font-size: 14px; color: rgba(255,255,255,.72); display: inline-flex; align-items: center; gap: 6px; }
    .hero-facts i { color: var(--accent); }

    /* ========== Section header ========== */
    .section-header { margin-bottom: 48px; }
    .section-header h2 { font-size: clamp(26px, 3vw, 38px); font-weight: 700; color: var(--primary); margin-bottom: 16px; font-family: var(--font-serif); }
    .section-header .bar { width: 36px; height: 3px; background: var(--accent); margin-bottom: 18px; }
    .section-header p { color: var(--text-muted); max-width: 680px; line-height: 1.9; }

    /* ========== Main Layout C1 ========== */
    .cat-main { padding: 70px 0 100px; }
    .content-grid { display: flex; gap: 48px; flex-wrap: wrap; }
    .primary-col { flex: 1 1 calc(66% - 24px); min-width: 0; }
    .side-col { flex: 0 1 calc(34% - 24px); min-width: 280px; }

    /* lead article card */
    .lead-card {
        background: #FFF; border-radius: 20px; overflow: hidden;
        box-shadow: var(--shadow-sm); border: 1px solid rgba(230,225,216,.5);
        transition: transform .35s ease, box-shadow .35s ease;
        margin-bottom: 32px;
    }
    .lead-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
    .lead-card .card-img { position: relative; overflow: hidden; aspect-ratio: 16/9; }
    .lead-card .card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
    .lead-card:hover .card-img img { transform: scale(1.03); }
    .lead-card .card-img .badge-date {
        position: absolute; left: 18px; bottom: 18px; background: rgba(11, 61, 46, .88);
        color: #FFF; padding: 5px 14px; border-radius: 999px; font-size: 13px;
        backdrop-filter: blur(6px);
    }
    .lead-card .card-body { padding: 30px 32px 26px; }
    .lead-card h3 { font-size: 22px; font-weight: 700; margin-bottom: 12px; line-height: 1.5; }
    .lead-card h3 a { color: var(--ink); text-decoration: none; }
    .lead-card h3 a:hover { color: var(--primary); }
    .item-meta { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 14px; }
    .item-meta .tag {
        display: inline-block; padding: 2px 12px; border-radius: 999px;
        font-size: 12px; color: var(--accent);
        background: rgba(194,162,109,.12); border: 1px solid rgba(194,162,109,.24);
    }
    .item-meta .date { font-size: 13px; color: var(--text-muted); }
    .lead-card .text-muted { font-size: 15px; line-height: 1.85; }

    /* Inline list cards */
    .info-card {
        background: #FFF; border-radius: 14px; border: 1px solid rgba(230,225,216,.5);
        padding: 24px 26px; margin-bottom: 20px; box-shadow: var(--shadow-sm);
        transition: transform .25s ease, box-shadow .25s ease;
    }
    .info-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
    .info-card .h5 { font-size: 17px; font-weight: 600; margin-bottom: 8px; }
    .info-card .h5 a { color: var(--ink); text-decoration: none; }
    .info-card .h5 a:hover { color: var(--primary); }
    .info-card p { font-size: 14.5px; color: var(--text-muted); margin-bottom: 10px; }
    .info-card .meta-mini { display: flex; justify-content: space-between; align-items: center; font-size: 13px; color: var(--text-muted); }
    .info-card .read-link { color: var(--primary); font-size: 13px; }
    .info-card .read-link i { transition: transform .2s; }
    .info-card .read-link:hover i { transform: translateX(4px); }

    /* ===== Sidebar ===== */
    .side-col .stick-wrap { position: sticky; top: 130px; }
    .aside-card {
        background: #FFF; border-radius: 16px; padding: 30px;
        box-shadow: var(--shadow-sm); border: 1px solid rgba(230,225,216,.4);
        margin-bottom: 24px;
    }
    .aside-card h4 { font-size: 18px; margin-bottom: 12px; font-weight: 700; color: var(--primary); }
    .aside-card h4::after { content: ''; display: block; width: 30px; height: 2px; background: var(--accent); margin-top: 8px; }
    .aside-list { list-style: none; margin: 0; padding: 0; }
    .aside-list li { border-bottom: 1px dashed var(--border); padding: 10px 0; }
    .aside-list li:last-child { border-bottom: none; }
    .aside-list a { display: flex; gap: 10px; align-items: flex-start; justify-content: space-between; text-decoration: none; }
    .aside-list .t { color: var(--ink); font-size: 14px; }
    .aside-list .t:hover { color: var(--primary); }
    .aside-list .c { color: var(--accent); font-size: 13px; }

    .quote-card {
        padding: 24px; background: rgba(194,162,109,.09);
        border-left: 4px solid var(--accent); border-radius: 12px;
        margin: 24px 0;
    }
    .quote-card p { font-family: var(--font-serif); font-size: 16.5px; line-height: 2; color: var(--primary-deep); margin: 0; }

    /* ===== Feature chips ===== */
    .chip-row { display: flex; gap: 10px 16px; flex-wrap: wrap; margin: 24px 0; }
    .chip {
        background: #FFF; border: 1px solid var(--border); border-radius: 999px;
        padding: 5px 18px; font-size: 13px; color: var(--primary);
        display: inline-flex; align-items: center; gap: 6px;
    }
    .chip i { color: var(--accent); }

    /* ================= Category c1 => high light section =============== */
    .feature-block { padding: 60px 0 90px; background: #EFEBE2; }
    .feature-inner { display: flex; gap: 50px; align-items: center; flex-wrap: wrap; }
    .feature-img { flex: 1 1 52%; border-radius: 16px; overflow: hidden; box-shadow: var(--shadow-md); }
    .feature-img img { width: 100%; height: 100%; object-fit: cover; display: block; aspect-ratio: 3/2.2; }
    .feature-text { flex: 1 1 38%; }
    .feature-text .step-number { font-family: var(--font-serif); font-size: 30px; color: var(--accent); font-weight: 700; }
    .feature-text h2 { font-size: 30px; font-weight: 700; margin-top: 8px; }
    .feature-text p { margin-top: 18px; line-height: 2; color: var(--text-muted); }

    /* ===== Story timeline ===== */
    .timeline-wrap { position: relative; margin-top: 20px; }
    .timeline-wrap::before {
        content: ''; position: absolute; left: 16px; width: 2px;
        background: linear-gradient(to bottom, var(--accent), rgba(194,162,109,.1));
        top: 0; bottom: 0;
    }
    .t-item { position: relative; padding-left: 50px; padding-bottom: 32px; }
    .t-item .dot {
        position: absolute; left: 8px; top: 8px; width: 18px; height: 18px;
        background: #FFF; border: 4px solid var(--accent); border-radius: 50%;
        box-shadow: 0 0 0 4px rgba(194,162,109,.15);
    }
    .t-item h4 { font-size: 18px; font-weight: 700; color: var(--primary); }
    .t-year { font-size: 13px; color: var(--accent); letter-spacing: 2px; font-weight: 600; margin-bottom: 4px; }

    /* ===== Quote strip ===== */
    .quote-strip { background: var(--primary-deep); color: rgba(255,255,255,.85); padding: 52px 0; }
    .quote-strip blockquote { font-family: var(--font-serif); font-size: 22px; line-height: 1.9; text-align: center; max-width: 840px; margin: 0 auto; position: relative; }
    .quote-strip blockquote .mark { color: var(--accent); font-size: 44px; line-height: 0; }

    /* ===== FAQ ===== */
    .faq-section { padding: 90px 0 90px; background: var(--bg); }
    .accordion-custom .el-card { background: #FFF; border: 1px solid var(--border); border-radius: 12px; margin-bottom: 12px; overflow: hidden; transition: box-shadow .2s; }
    .accordion-custom .el-card:hover { box-shadow: var(--shadow-sm); }
    .accordion-custom details summary { cursor: pointer; list-style: none; padding: 20px 28px; display: flex; justify-content: space-between; gap: 18px; align-items: flex-start; }
    .accordion-custom details summary::-webkit-details-marker { display: none; }
    .accordion-custom details summary .q { font-weight: 600; font-size: 17px; display: flex; align-items: baseline; gap: 6px; }
    .accordion-custom details summary .q::before { content: 'Q'; font-family: var(--font-serif); color: var(--accent); font-weight: 700; font-size: 18px; }
    .accordion-custom details .ans { padding: 0 28px 20px 28px; color: var(--text-muted); border-top: 1px dashed rgba(230,225,216,.8); margin: 0 30px; }
    .accordion-custom details .ans::before { content: 'A'; font-family: var(--font-serif); color: var(--accent); font-weight: 700; margin-right: 8px; font-size: 17px; }
    .accordion-custom details[open] { border-left: 4px solid var(--accent); }

    /* ===== CTA panel ===== */
    .cta-panel { background-color: var(--primary); padding: 68px 0; }
    .cta-panel h2 { color: #FFF; font-family: var(--font-serif); font-size: clamp(26px, 3.4vw, 40px); }
    .cta-panel p { color: rgba(255,255,255,.8); }
    .cta-panel .btn-brand { background: var(--accent); border-color: var(--accent); color: var(--primary-deep); font-weight: 600; }
    .cta-panel .btn-brand:hover { background: var(--accent-light); border-color: var(--accent-light); }

    /* ===== Footer ===== */
    .site-footer { background: var(--primary-deep); color: rgba(255, 255, 255, .78); padding-top: 66px; }
    .site-footer .footer-brand { color: #F7F4EE; font-size: 22px; font-weight: 700; text-decoration: none; font-family: var(--font-serif); }
    .footer-note { font-size: 14px; color: rgba(255,255,255,.62); line-height: 1.9; }
    .site-footer h4 { color: #FFF; font-size: 15px; margin-bottom: 20px; padding-bottom: 8px; border-bottom: 1px solid rgba(194, 162, 109, .3); display: inline-block; }
    .footer-links { list-style: none; padding: 0; margin: 0; }
    .footer-links li { margin-bottom: 10px; }
    .footer-links li a { color: rgba(255,255,255,.68); text-decoration: none; font-size: 14px; transition: color .2s; }
    .footer-links li a:hover { color: var(--accent); padding-left: 4px; }
    .footer-divider { border: none; border-top: 1px solid rgba(255,255,255,.12); margin: 42px 0 0; }
    .footer-bottom { display: flex; justify-content: space-between; align-items: center; padding: 22px 0; font-size: 14px; flex-wrap: wrap; }
    .domain { color: var(--accent); font-size: 13px; letter-spacing: .5px; }
    .text-accent { color: var(--accent); }

    /* ===== Mobile bar ===== */
    .mobile-only-bar { display: none; }

    @media (max-width: 991.98px) {
        .content-grid { flex-direction: column; }
        .primary-col { flex: 1 1 100%; }
        .side-col { flex: 1 1 100%; }
        .feature-inner { flex-direction: column; }
        .feature-text { flex: 1 1 100%; }
        .site-header .header-cta .ms-1 { display: none; }
    }
    @media (max-width: 767.98px) {
        :root { --spacer-3: 56px; }
        .brand-logo .logo-text strong { font-size: 18px; }
        .brand-logo .seal { width: 38px; height: 38px; font-size: 19px; }
        .header-cta { padding: 7px 14px; font-size: 13px; }
        .btn { padding: 8px 18px; font-size: 14px; }
        .page-hero { padding: 50px 0 40px; }
        .page-hero .lead { font-size: 15px; }
        .hero-facts { flex-direction: column; gap: 14px; }
        .cat-main { padding: 40px 0 60px; }
        .card-body { padding: 22px 20px; }
        .primary-col .lead-card h3 { font-size: 18px; }

        .footer-bottom { flex-direction: column; gap: 6px; align-items: flex-start; }
        .footer-bottom .domain { font-size: 13px; }
    }
    @media (max-width: 576px) {
        .container-xl { padding-left: 18px; padding-right: 18px; }
        .channel-nav a { font-size: 14px; }
        .mobile-only-bar {
            display: flex; position: fixed; bottom: 0; left: 0; width: 100%; z-index: 1040;
            height: 62px; background: rgba(255,255,255,.80); backdrop-filter: blur(16px);
            border-top: 1px solid var(--border); align-items: center; justify-content: space-between;
            padding: 0 16px;
        }
        .mobile-only-bar .txt { font-size: 14px; color: var(--primary); font-weight: 600; }
        .mobile-only-bar .btn { padding: 8px 14px; font-size: 13px; }
        body { padding-bottom: 0; }
        .page-hero h1 { font-size: 28px; }
        .quote-strip blockquote { font-size: 17px; }
        .t-item { padding-left: 44px; }
        .t-item h4 { font-size: 16px; }
        .lead-card .card-body { padding: 24px 18px; }
        .lead-card .card-body .text-muted { font-size: 14px; }
        .brand-logo .logo-text small { letter-spacing: 1px; }
    }

/* roulang page: article */
:root{
  --primary:#0B3D2E;
  --primary-dark:#0A241B;
  --primary-deep:#071B14;
  --primary-hover:#0F4E3B;
  --accent:#C2A26D;
  --accent-soft:#E7D9C0;
  --bg:#F7F4EE;
  --paper:#FFFFFF;
  --ink:#1D2320;
  --ink-soft:#6F736D;
  --line:#E6E1D8;
  --line-deep:#DAD3C6;
  --muted:#8A8A85;
  --radius-sm:4px;
  --radius-md:12px;
  --radius-lg:20px;
  --shadow-sm:0 2px 8px rgba(20,30,20,.05);
  --shadow-hover:0 8px 28px rgba(20,30,20,.10);
  --font-serif:"Source Han Serif SC","Noto Serif CJK SC","Songti SC","SimSun",serif;
  --font-sans:"Source Han Sans SC","Noto Sans CJK SC","PingFang SC","Microsoft YaHei",sans-serif;
}
html{
  scroll-behavior:smooth;
}
body{
  font-family:var(--font-sans);
  background-color:var(--bg);
  color:var(--ink);
  line-height:1.85;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
*{box-sizing:border-box;}
a{
  color:inherit;
  text-decoration:none;
}
a:hover{
  color:inherit;
}
img{
  max-width:100%;
  vertical-align:middle;
}
button,
input{
  font-family:inherit;
  outline:none;
}
.container-xl{
  max-width:1320px;
  margin-inline:auto;
  padding-inline:clamp(1rem,3vw,2.5rem);
}
.site-header{
  position:relative;
  z-index:1060;
  background:rgba(247,244,238,.92);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(230,225,216,.9);
}
.search-expand{
  display:none;
  background:#fffdf8;
  border-bottom:1px solid var(--line);
}
.search-expand.open{
  display:block;
  animation:searchDrop .28s ease both;
}
@keyframes searchDrop{
  from{opacity:0; transform:translateY(-8px);}
  to{opacity:1; transform:translateY(0);}
}
.search-expand form{
  display:grid;
  grid-template-columns:1fr auto;
  gap:14px;
  padding:18px 0;
}
.search-expand input[type=search]{
  width:100%;
  height:48px;
  padding:0 18px;
  border:1px solid var(--line-deep);
  border-radius:var(--radius-md);
  background:#fff;
  color:var(--ink);
  font-size:15px;
  transition:border-color .2s, box-shadow .2s;
}
.search-expand input[type=search]:focus{
  border-color:var(--accent);
  box-shadow:0 0 0 3px rgba(194,162,109,.16);
}
.search-expand button{
  height:48px;
  min-width:110px;
  border:0;
  border-radius:var(--radius-md);
  background:var(--primary);
  color:#FBF7EE;
  font-size:15px;
  display:flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:0 20px;
  transition:background .25s, transform .25s;
}
.search-expand button:hover{
  background:var(--primary-hover);
}
.top-nav{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:17px 0;
  gap:24px;
}
.brand-logo{
  display:flex;
  align-items:center;
  gap:14px;
  min-width:0;
}
.brand-logo .seal{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:46px;
  height:46px;
  flex:0 0 auto;
  border-radius:12px;
  background:var(--primary);
  color:var(--accent-soft);
  font-family:var(--font-serif);
  font-size:24px;
  font-weight:700;
  letter-spacing:.06em;
  border:1px solid rgba(194,162,109,.42);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.06);
}
.logo-text{
  display:flex;
  flex-direction:column;
  line-height:1.1;
  min-width:0;
}
.logo-text strong{
  font-size:clamp(19px,2.4vw,25px);
  font-weight:700;
  color:var(--primary-dark);
  letter-spacing:.04em;
  white-space:nowrap;
}
.logo-text small{
  margin-top:4px;
  font-size:10px;
  color:var(--muted);
  letter-spacing:.24em;
  text-transform:uppercase;
  font-weight:400;
}
.header-actions{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.search-toggle{
  width:44px;
  height:44px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:var(--radius-md);
  background:#fff;
  border:1px solid var(--line-deep);
  color:var(--primary);
  font-size:16px;
  transition:all .25s ease;
}
.search-toggle:hover{
  border-color:var(--accent);
  background:var(--accent-soft);
  color:var(--primary);
}
.btn{
  border-radius:6px;
  transition:all .25s ease;
}
.btn:hover{
  transform:translateY(-1px);
}
.btn-brand{
  background:var(--primary);
  border:1px solid var(--primary);
  color:#FBF7EE;
  padding:.72rem 1.2rem;
  font-size:14px;
  font-weight:600;
  box-shadow:0 2px 6px rgba(11,61,46,.14);
}
.btn-brand:hover,
.btn-brand:focus{
  background:var(--primary-hover);
  border-color:var(--primary-hover);
  color:#fff !important;
}
.btn-brand i{
  color:var(--accent-soft);
}
.btn-outline-brand{
  background:transparent;
  border:1px solid var(--primary);
  color:var(--primary);
  padding:.65rem 1.2rem;
  font-size:14px;
  font-weight:600;
}
.btn-outline-brand:hover{
  border-color:var(--accent);
  background:rgba(194,162,109,.08);
  color:var(--primary-dark);
}
.header-cta{
  display:inline-flex;
  align-items:center;
  gap:8px;
  white-space:nowrap;
  min-height:44px;
}
.navbar-second{
  position:sticky;
  top:0;
  z-index:1040;
  background:rgba(247,244,238,.93);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-top:1px solid rgba(230,225,216,.5);
}
.navbar-second.is-stuck{
  box-shadow:0 6px 20px rgba(20,30,20,.08);
}
.channel-nav{
  display:flex;
  align-items:center;
  gap:10px;
  overflow-x:auto;
  padding:12px 0;
  scrollbar-width:none;
  -ms-overflow-style:none;
}
.channel-nav::-webkit-scrollbar{
  display:none;
}
.channel-nav a{
  display:inline-flex;
  align-items:center;
  gap:8px;
  flex:0 0 auto;
  padding:9px 20px;
  border-radius:999px;
  background:transparent;
  border:1px solid transparent;
  color:var(--ink);
  font-size:14px;
  font-weight:500;
  line-height:1;
  transition:all .25s ease;
  position:relative;
}
.channel-nav a i{
  color:var(--accent);
  font-size:14px;
  transition:color .25s;
}
.channel-nav a:hover{
  color:var(--primary);
  background:rgba(11,61,46,.06);
}
.channel-nav a.active{
  background:var(--primary);
  color:#FBF7EE;
  border-color:var(--primary);
  box-shadow:0 4px 10px rgba(11,61,46,.16);
}
.channel-nav a.active i{
  color:var(--accent-soft);
}
.site-main{
  overflow:hidden;
}
.page-section{
  padding:clamp(68px,8vw,104px) 0;
}
.article-hero{
  position:relative;
  background-color:var(--primary-dark);
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center 38%;
  padding:clamp(72px,8vw,116px) 0 96px;
  isolation:isolate;
  color:#FBF7EE;
}
.article-hero::before{
  content:"";
  position:absolute;
  inset:0;
  z-index:-1;
  background:linear-gradient(90deg,rgba(7,27,20,.88) 0%,rgba(10,36,27,.72) 52%,rgba(10,36,27,.48) 100%);
}
.article-hero::after{
  content:"";
  position:absolute;
  inset:0;
  z-index:-1;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:56px 56px;
  pointer-events:none;
}
.article-hero .hero-content{
  max-width:860px;
  margin-inline:auto;
}
.hero-crumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:6px;
  font-size:13px;
  color:rgba(255,255,255,.68);
  margin-bottom:24px;
}
.hero-crumb a{
  color:var(--accent-soft);
  border-bottom:1px solid rgba(194,162,109,.4);
  transition:border-color .2s,color .2s;
  padding-bottom:2px;
}
.hero-crumb a:hover{
  color:#fff;
  border-color:var(--accent);
}
.hero-crumb .crumb-sep{
  color:var(--accent);
  margin-inline:4px;
  font-size:12px;
}
.article-cat{
  display:inline-block;
  padding:7px 16px;
  border-radius:999px;
  background:rgba(194,162,109,.16);
  border:1px solid rgba(194,162,109,.5);
  color:var(--accent-soft);
  font-size:13px;
  font-weight:500;
  letter-spacing:.03em;
  margin-bottom:18px;
}
.article-hero h1{
  font-family:var(--font-serif);
  font-size:clamp(31px,5vw,52px);
  font-weight:700;
  line-height:1.22;
  margin:0 0 22px;
  color:#fff;
  letter-spacing:.02em;
}
.article-lead{
  font-size:clamp(15px,2vw,18px);
  line-height:1.85;
  color:rgba(255,255,255,.86);
  margin-bottom:26px;
  max-width:720px;
}
.article-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px 24px;
  font-size:13px;
  color:rgba(255,255,255,.68);
  padding-top:18px;
  border-top:1px solid rgba(255,255,255,.16);
}
.article-meta span{
  display:inline-flex;
  align-items:center;
  gap:8px;
}
.article-meta i{
  color:var(--accent);
}
.article-wrap{
  max-width:900px;
  margin:-58px auto 0;
  position:relative;
  z-index:5;
  padding-bottom:0;
}
.article-panel{
  background:var(--paper);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-sm);
  padding:clamp(28px,5vw,60px);
}
.article-content{
  max-width:760px;
  margin-inline:auto;
  font-size:17px;
  line-height:1.95;
  color:#2b312d;
}
.article-content > * + *{
  margin-top:26px;
}
.article-content p{
  margin-top:0;
  margin-bottom:0;
}
.article-content h2{
  font-family:var(--font-serif);
  font-size:clamp(23px,3vw,31px);
  color:var(--primary-dark);
  margin-top:44px;
  padding-top:18px;
  border-top:1px solid var(--line);
  line-height:1.4;
}
.article-content h3{
  font-size:clamp(19px,2vw,23px);
  font-weight:600;
  color:var(--primary);
  margin-top:34px;
  line-height:1.45;
}
.article-content img{
  border-radius:var(--radius-md);
  width:100%;
  height:auto;
  box-shadow:var(--shadow-sm);
}
.article-content figure{
  margin:0 0 8px;
}
.article-content figcaption{
  font-size:13px;
  color:var(--ink-soft);
  text-align:center;
  margin-top:12px;
}
.article-content blockquote{
  margin:32px 0;
  padding:20px 26px;
  border-left:4px solid var(--accent);
  background:rgba(247,244,238,.9);
  border-radius:0 10px 10px 0;
  color:var(--ink);
  font-family:var(--font-serif);
  font-size:18px;
  line-height:1.8;
}
.article-content ul,
.article-content ol{
  padding-left:1.5rem;
}
.article-content li{
  margin-bottom:8px;
}
.article-content a{
  color:var(--primary);
  text-decoration:underline;
  text-decoration-color:rgba(11,61,46,.32);
  text-underline-offset:4px;
  transition:text-decoration-color .2s;
}
.article-content a:hover{
  color:var(--primary-hover);
  text-decoration-color:var(--accent);
}
.article-extra{
  margin-top:42px;
  padding-top:26px;
  border-top:1px solid var(--line);
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:20px;
  flex-wrap:wrap;
}
.article-tags{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
}
.tag-chip{
  display:inline-flex;
  align-items:center;
  gap:7px;
  background:rgba(11,61,46,.06);
  border-radius:999px;
  padding:6px 14px;
  color:var(--primary);
  font-size:13px;
  transition:all .25s;
}
.tag-chip i{
  color:var(--accent);
}
.tag-chip:hover{
  background:rgba(11,61,46,.12);
}
.article-bottom-nav{
  display:flex;
  align-items:center;
  gap:12px;
  flex-wrap:wrap;
}
.cms-content-loading{
  padding:12px 0 4px;
}
.related-area{
  padding:clamp(64px,8vw,96px) 0 0;
}
.section-header{
  margin-bottom:40px;
}
.section-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:13px;
  color:var(--accent);
  letter-spacing:.22em;
  text-transform:uppercase;
  font-weight:500;
  margin-bottom:8px;
}
.section-header h2{
  font-family:var(--font-serif);
  font-size:clamp(27px,3.6vw,42px);
  color:var(--ink);
  font-weight:700;
  margin:0 0 12px;
  line-height:1.25;
}
.section-divider{
  width:36px;
  height:3px;
  background:var(--accent);
  border-radius:99px;
  margin-bottom:18px;
}
.section-desc{
  color:var(--ink-soft);
  max-width:660px;
  font-size:15px;
}
.related-card{
  display:block;
  height:100%;
  background:var(--paper);
  border-radius:var(--radius-lg);
  border:1px solid rgba(230,225,216,.8);
  box-shadow:var(--shadow-sm);
  overflow:hidden;
  transition:transform .3s ease, box-shadow .3s ease, border-color .3s;
}
.related-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
  border-color:rgba(194,162,109,.55);
}
.related-card .img-frame{
  overflow:hidden;
  position:relative;
  aspect-ratio:16/10;
}
.related-card .img-frame img{
  width:100%;
  height:100%;
  object-fit:cover;
  transform:scale(1);
  transition:transform .5s ease;
}
.related-card:hover .img-frame img{
  transform:scale(1.035);
}
.related-card .card-body{
  padding:22px 22px 24px;
}
.related-card .card-label{
  display:inline-flex;
  align-items:center;
  font-size:12px;
  color:var(--accent);
  letter-spacing:.08em;
  font-weight:500;
  margin-bottom:8px;
}
.related-card h3{
  font-size:18px;
  line-height:1.5;
  font-weight:700;
  color:var(--ink);
  margin:0 0 8px;
  transition:color .2s;
}
.related-card:hover h3{
  color:var(--primary);
}
.related-card p{
  font-size:14px;
  line-height:1.75;
  color:var(--ink-soft);
  margin:0;
}
.card-more{
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-top:14px;
  font-size:14px;
  color:var(--primary);
  font-weight:600;
  transition:gap .25s;
}
.related-card:hover .card-more{
  gap:12px;
}
.card-more i{
  color:var(--accent);
}
.cta-banner{
  background:var(--primary);
  color:#FBF7EE;
  border-radius:var(--radius-lg);
  padding:clamp(34px,6vw,60px);
  margin-bottom:0;
  position:relative;
  overflow:hidden;
}
.cta-banner::after{
  content:"";
  position:absolute;
  right:-40px;
  top:-60px;
  width:240px;
  height:240px;
  border:1px solid rgba(255,255,255,.08);
  border-radius:50%;
  pointer-events:none;
}
.cta-banner h2{
  font-family:var(--font-serif);
  font-size:clamp(25px,3.4vw,38px);
  font-weight:700;
  margin:0 0 16px;
  color:#fff;
}
.cta-banner p{
  color:rgba(255,255,255,.78);
  font-size:15px;
  max-width:560px;
  margin:0 0 28px;
}
.btn-gold{
  background:var(--accent);
  border:1px solid var(--accent);
  color:#16211c;
  font-weight:700;
  padding:.8rem 1.6rem;
}
.btn-gold:hover{
  background:#d0b684;
  border-color:#d0b684;
  color:#0a1c15;
}
.btn-light-outline{
  background:transparent;
  border:1px solid rgba(255,255,255,.55);
  color:#fff;
  padding:.72rem 1.3rem;
}
.btn-light-outline:hover{
  background:rgba(255,255,255,.1);
  color:#fff;
  border-color:#fff;
}
.missing-panel{
  background:#fff;
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-sm);
  padding:clamp(32px,6vw,68px);
  max-width:760px;
  margin:54px auto;
  text-align:center;
}
.missing-panel i{
  display:inline-block;
  width:74px;
  height:74px;
  border-radius:50%;
  background:rgba(11,61,46,.06);
  color:var(--primary);
  font-size:30px;
  line-height:74px;
  margin-bottom:12px;
}
.missing-panel h2{
  font-family:var(--font-serif);
  font-size:clamp(24px,3vw,34px);
  color:var(--ink);
  margin-bottom:12px;
}
.missing-panel p{
  color:var(--ink-soft);
  margin-bottom:24px;
  font-size:15px;
}
.missing-article-hero .hero-content{
  text-align:center;
  max-width:700px;
}
.missing-article-hero .missing-mark{
  font-size:56px;
  line-height:1;
  color:var(--accent-soft);
  margin-bottom:12px;
}
.site-footer{
  background:var(--primary-dark);
  color:rgba(255,255,255,.72);
  padding:80px 0 0;
  margin-top:clamp(64px,10vw,110px);
  font-size:14px;
}
.site-footer .footer-brand{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:#fff;
  font-size:22px;
  font-weight:700;
  letter-spacing:.04em;
  font-family:var(--font-serif);
}
.site-footer .footer-brand::before{
  content:"尊";
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:34px;
  height:34px;
  border-radius:9px;
  background:var(--accent);
  color:var(--primary-dark);
  font-weight:700;
  font-size:18px;
}
.footer-note{
  color:rgba(255,255,255,.6);
  font-size:14px;
  line-height:1.8;
  margin-top:14px;
  margin-bottom:0;
}
.footer-note i{
  color:var(--accent);
}
.site-footer h4{
  color:#fff;
  font-size:15px;
  font-weight:600;
  letter-spacing:.05em;
  margin-bottom:18px;
  position:relative;
  padding-bottom:10px;
}
.site-footer h4::after{
  content:"";
  position:absolute;
  left:0;
  bottom:0;
  width:24px;
  height:2px;
  background:var(--accent);
}
.footer-links{
  list-style:none;
  padding:0;
  margin:0;
}
.footer-links li{
  margin-bottom:10px;
}
.footer-links a{
  color:rgba(255,255,255,.65);
  display:inline-flex;
  align-items:center;
  gap:4px;
  font-size:14px;
  transition:all .25s ease;
  background-image:linear-gradient(currentColor,currentColor);
  background-size:0% 1px;
  background-repeat:no-repeat;
  background-position:0 100%;
}
.footer-links a:hover{
  color:#fff;
  background-size:100% 1px;
}
.footer-links a i{
  color:var(--accent);
  font-size:12px;
}
.footer-divider{
  margin:44px 0 0;
  border:0;
  border-top:1px solid rgba(255,255,255,.1);
}
.footer-bottom{
  padding:20px 0 22px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:14px;
  flex-wrap:wrap;
  color:rgba(255,255,255,.42);
  font-size:13px;
}
.footer-bottom .domain{
  letter-spacing:.06em;
  color:rgba(255,255,255,.35);
}
::selection{
  background:rgba(194,162,109,.32);
}
.reveal{
  opacity:0;
  transform:translateY(12px);
  transition:opacity .5s ease,transform .5s ease;
}
.reveal.in-view{
  opacity:1;
  transform:translateY(0);
}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  .reveal{
    opacity:1;
    transform:none;
    transition:none;
  }
  .related-card,
  .btn,
  .article-content a,
  .footer-links a{
    transition:none;
  }
  .search-expand.open{
    animation:none;
  }
}
@media (max-width: 991.98px){
  .site-header .brand-logo strong{
    white-space:normal;
  }
  .header-cta{
    padding:.7rem .9rem;
  }
  .header-cta i{
    font-size:14px;
  }
}
@media (max-width: 767.98px){
  .top-nav{
    padding:14px 0;
    gap:12px;
  }
  .brand-logo .seal{
    width:40px;
    height:40px;
    font-size:20px;
    border-radius:10px;
  }
  .logo-text small{
    display:none;
  }
  .logo-text strong{
    font-size:18px;
  }
  .header-cta{
    min-height:40px;
    padding:.6rem .8rem;
    font-size:13px;
    width:40px;
    justify-content:center;
    padding:0;
  }
  .header-cta i{
    margin:0;
  }
  .channel-nav{
    gap:8px;
    margin-inline:-1rem;
    padding-inline:1rem;
  }
  .channel-nav a{
    padding:9px 16px;
    font-size:13.5px;
  }
  .article-wrap{
    margin-top:-24px;
    padding-inline:0;
  }
  .article-panel{
    padding:24px 18px;
    border-radius:16px;
  }
  .article-content{
    font-size:16px;
  }
  .article-extra{
    flex-direction:column;
    align-items:flex-start;
  }
  .search-expand form{
    grid-template-columns:1fr;
  }
  .search-expand button{
    width:100%;
  }
  .footer-bottom{
    justify-content:center;
  }
  .cta-banner{
    text-align:center;
  }
  .cta-banner p{
    margin-inline:auto;
  }
}
@media (max-width: 575.98px){
  .article-hero{
    padding:56px 0 76px;
  }
  .article-hero h1{
    font-size:30px;
  }
  .article-meta{
    gap:6px 16px;
    font-size:12px;
  }
  .hero-crumb{
    font-size:12px;
  }
  .related-card .card-body{
    padding:18px;
  }
}

/* roulang page: category2 */
:root{
  --primary:#0B3D2E;
  --primary-dark:#082B21;
  --primary-soft:#0F4E3B;
  --primary-deeper:#0A241B;
  --accent:#C2A26D;
  --accent-soft:#D6BE92;
  --bone:#F7F4EE;
  --white:#FFFFFF;
  --ink:#1D2320;
  --muted:#6F736D;
  --line:#E6E1D8;
  --radius-sm:4px;
  --radius-md:12px;
  --radius-lg:20px;
  --shadow-sm:0 2px 8px rgba(20,30,20,.05);
  --shadow-md:0 8px 28px rgba(20,30,20,.1);
  --space-section:96px;
  --font-sans:"Source Han Sans SC","Noto Sans CJK SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-serif:"Source Han Serif SC","Noto Serif CJK SC","SimSun",serif;
}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  background:var(--bone);
  color:var(--ink);
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
body *{box-sizing:border-box;}
h1,h2,h3,h4,h5,h6{font-weight:600;line-height:1.3;letter-spacing:.02em;}
a{color:var(--primary);text-decoration:none;transition:color .25s ease,background .25s ease,border-color .25s ease;}
a:hover{color:var(--accent);}
img{max-width:100%;height:auto;display:block;}
button:focus,a:focus,input:focus{outline:2px solid rgba(194,162,109,.8);outline-offset:2px;}
::selection{background:rgba(194,162,109,.28);color:var(--primary-deeper);}
.container-xl{max-width:1280px;width:100%;padding-left:24px;padding-right:24px;margin-left:auto;margin-right:auto;}
.btn{
  border-radius:6px;
  font-weight:500;
  padding:.75rem 1.4rem;
  font-size:1rem;
  border:1px solid transparent;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:.5rem;
  line-height:1.4;
  transition:all .25s ease;
  letter-spacing:.02em;
}
.btn i{font-size:.95em;}
.btn-brand{
  background:var(--primary);
  color:#FBF9F4;
  border-color:var(--primary);
}
.btn-brand:hover{
  background:var(--primary-soft);
  border-color:var(--primary-soft);
  color:#FBF9F4;
  transform:translateY(-2px);
  box-shadow:0 8px 22px rgba(11,61,46,.16);
}
.btn-outline{
  background:transparent;
  color:var(--primary);
  border-color:var(--primary);
}
.btn-outline:hover{
  border-color:var(--accent);
  color:var(--primary-dark);
  transform:translateY(-2px);
  box-shadow:0 6px 16px rgba(10,36,27,.08);
}
.btn-light-outline{
  border-color:rgba(247,244,238,.68);
  color:#F7F4EE;
  background:transparent;
}
.btn-light-outline:hover{
  border-color:var(--accent-soft);
  color:#FFFFFF;
  background:rgba(255,255,255,.06);
}
.border-accent{border-color:var(--accent)!important;}
.text-accent{color:var(--accent)!important;}
.text-accent-soft{color:var(--accent-soft);}
.section-block{padding:var(--space-section) 0;}
.section-head{max-width:820px;margin:0 auto 52px;text-align:center;}
.section-head h2{font-family:var(--font-serif);font-size:clamp(26px,3vw,40px);margin:0 0 14px;}
.section-head .accent-line{width:36px;height:2px;background:var(--accent);margin:0 auto 18px;}
.section-head p{color:var(--muted);font-size:16px;margin:0;line-height:1.9;}

/* 双层导航 */
.site-header{position:relative;z-index:1050;background:rgba(247,244,238,.94);box-shadow:0 1px 0 rgba(230,225,216,.9);}
.top-nav{display:flex;align-items:center;justify-content:space-between;padding:14px 0;gap:16px;}
.brand-logo{display:flex;align-items:center;gap:12px;min-width:0;}
.brand-logo .seal{
  width:48px;height:48px;border-radius:10px;
  background:var(--primary);color:#F7F4EE;
  font-family:var(--font-serif);font-size:25px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:inset 0 0 0 1px rgba(198,174,124,.65);
  flex-shrink:0;
}
.brand-logo .logo-text{display:flex;flex-direction:column;line-height:1.2;min-width:0;}
.brand-logo .logo-text strong{font-family:var(--font-serif);font-size:clamp(17px,2vw,24px);color:var(--primary-deeper);white-space:nowrap;}
.brand-logo .logo-text small{font-size:11px;letter-spacing:.22em;color:var(--accent);text-transform:uppercase;font-weight:500;margin-top:2px;}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.search-toggle{
  width:42px;height:42px;border-radius:50%;
  border:1px solid var(--line);background:var(--white);
  color:var(--primary);display:inline-flex;align-items:center;justify-content:center;
  transition:all .25s ease;
}
.search-toggle:hover{border-color:var(--accent);color:var(--accent);}
.header-cta{font-size:.94rem;padding:.6rem 1.05rem;}
.navbar-second{
  position:sticky;
  top:0;
  z-index:1040;
  background:rgba(247,244,238,.96);
  border-top:1px solid var(--line);
  backdrop-filter:blur(14px);
  transition:box-shadow .3s ease;
}
.navbar-second.is-shadow{box-shadow:0 6px 20px rgba(20,30,20,.08);}
.channel-nav{
  display:flex;
  align-items:center;
  gap:6px;
  padding:8px 0;
  overflow-x:auto;
  scrollbar-width:none;
  -ms-overflow-style:none;
  white-space:nowrap;
}
.channel-nav::-webkit-scrollbar{display:none;}
.channel-nav a{
  display:inline-flex;
  align-items:center;
  gap:.5rem;
  padding:.52rem 1.05rem;
  border-radius:999px;
  color:var(--ink);
  font-size:.95rem;
  font-weight:500;
  background:transparent;
  border:1px solid transparent;
  transition:background .25s ease,color .25s ease,border-color .25s ease;
}
.channel-nav a i{font-size:.9rem;color:var(--accent);}
.channel-nav a:hover{color:var(--primary);border-color:rgba(194,162,109,.4);}
.channel-nav a.active{
  background:var(--primary);
  color:var(--bone);
  box-shadow:0 4px 14px rgba(11,61,46,.16);
}
.channel-nav a.active i{color:var(--accent-soft);}
.search-expand{
  display:grid;
  grid-template-rows:0fr;
  transition:grid-template-rows .3s ease;
  background:var(--white);
  border-bottom:1px solid var(--line);
}
.search-expand.open{grid-template-rows:1fr;}
.search-expand .container-xl{overflow:hidden;}
.search-expand form{
  padding:0 0 16px;
  display:flex;
  gap:10px;
}
.search-expand input{
  flex:1;
  border:1px solid var(--line);
  background:var(--bone);
  border-radius:6px;
  padding:.7rem 1rem;
  color:var(--ink);
}
.search-expand input:focus{border-color:var(--accent);background:var(--white);}
.search-expand button{
  background:var(--primary);
  color:var(--bone);
  border:0;
  padding:.7rem 1.2rem;
  border-radius:6px;
  display:inline-flex;
  align-items:center;
  gap:.5rem;
  transition:background .25s ease;
}
.search-expand button:hover{background:var(--primary-soft);}

/* 分类页 Hero */
.category-hero{
  background:linear-gradient(112deg,var(--primary-deeper) 0,var(--primary) 68%,rgba(194,162,109,.22) 100%);
  color:var(--bone);
  position:relative;
  overflow:hidden;
}
.category-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:url("/assets/images/backpic/back-1.webp");
  background-size:cover;
  background-position:center 30%;
  opacity:.14;
  pointer-events:none;
}
.category-hero::after{
  content:"";
  position:absolute;
  width:420px;height:420px;
  border:1px solid rgba(214,190,146,.16);
  border-radius:50%;
  top:-160px;right:-120px;
  pointer-events:none;
}
.hero-crumb{
  display:flex;align-items:center;gap:.6rem;
  font-size:13px;margin-bottom:26px;
  flex-wrap:wrap;color:rgba(247,244,238,.72);
}
.hero-crumb a{color:rgba(247,244,238,.72);letter-spacing:.04em;}
.hero-crumb a:hover{color:var(--accent-soft);}
.hero-crumb span:last-child{color:var(--accent-soft);}
.category-hero h1{
  font-family:var(--font-serif);
  font-size:clamp(32px,5vw,54px);
  line-height:1.2;
  color:#FFFFFF;
  margin:0 0 18px;
  letter-spacing:.02em;
}
.hero-lead{
  font-size:1.05rem;
  line-height:1.95;
  color:rgba(247,244,238,.9);
  max-width:560px;
  margin:0 0 32px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;}
.hero-tags span{
  display:inline-flex;align-items:center;gap:.45rem;
  border:1px solid rgba(247,244,238,.28);
  color:rgba(247,244,238,.9);
  background:rgba(255,255,255,.04);
  border-radius:999px;
  padding:.3rem .8rem;
  font-size:.86rem;
}
.hero-visual{position:relative;z-index:1;}
.hero-visual-panel{
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:0 22px 45px rgba(0,0,0,.25);
  border:1px solid rgba(214,190,146,.22);
  background:var(--primary-dark);
}
.hero-visual-panel img{aspect-ratio:4/3;object-fit:cover;width:100%;}
.hero-visual-caption{
  position:absolute;
  left:20px;bottom:20px;right:20px;
  background:rgba(10,36,27,.82);
  backdrop-filter:blur(8px);
  border:1px solid rgba(214,190,146,.3);
  border-radius:12px;
  padding:16px 18px;
  color:var(--bone);
  display:flex;
  align-items:center;
  gap:14px;
}
.hero-visual-caption i{color:var(--accent-soft);font-size:22px;}
.hero-visual-caption strong{display:block;font-weight:600;color:#FFF;}
.hero-visual-caption small{color:rgba(247,244,238,.7);font-size:13px;}

/* 卖点三连异形 */
.showcase-section{background:var(--bone);position:relative;}
.feature-grid{display:grid;grid-template-columns:1.23fr .9fr;gap:26px;align-items:stretch;}
.cell-feature-main{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow-sm);
  display:flex;
  flex-direction:column;
  transition:box-shadow .3s ease,transform .3s ease;
}
.cell-feature-main:hover{box-shadow:var(--shadow-md);transform:translateY(-3px);}
.feature-main-img{position:relative;aspect-ratio:21/10;overflow:hidden;}
.feature-main-img img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease;}
.cell-feature-main:hover .feature-main-img img{transform:scale(1.03);}
.feature-main-img::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(10,36,27,.2),transparent 48%);}
.feature-num{
  font-family:var(--font-serif);
  color:var(--accent);
  font-size:13px;
  letter-spacing:.24em;
  text-transform:uppercase;
}
.feature-content{padding:28px;}
.feature-content h3{font-family:var(--font-serif);font-size:clamp(22px,2vw,28px);margin:10px 0 12px;}
.feature-content p{color:var(--muted);margin:0 0 20px;font-size:16px;}
.feature-pill{
  background:var(--bone);
  border:1px solid var(--line);
  color:var(--primary);
  border-radius:999px;
  display:inline-block;
  padding:.28rem .82rem;
  font-size:.84rem;
  margin-right:.45rem;
  margin-bottom:.6rem;
}
.cell-feature-subs{display:grid;gap:20px;}
.feature-sub-card{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:14px;
  box-shadow:var(--shadow-sm);
  padding:26px 26px 22px;
  position:relative;
  transition:all .3s ease;
  border-top:2px solid var(--accent);
}
.feature-sub-card:hover{box-shadow:var(--shadow-md);transform:translateY(-4px);}
.feature-sub-card h3{font-family:var(--font-serif);font-size:20px;margin:12px 0 8px;}
.feature-sub-card p{color:var(--muted);margin:0;font-size:15px;line-height:1.85;}
.mini-icon{
  width:44px;height:44px;
  background:var(--primary);
  color:var(--accent-soft);
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius:12px;
  font-size:18px;
  box-shadow:0 6px 16px rgba(11,61,46,.14);
}

/* 内容矩阵 错落 */
.matrix-section{background:var(--white);}
.matrix-card{
  height:100%;
  border-radius:var(--radius-lg);
  border:1px solid var(--line);
  overflow:hidden;
  background:var(--bone);
  box-shadow:var(--shadow-sm);
  transition:box-shadow .3s ease,transform .3s ease;
}
.matrix-card:hover{box-shadow:var(--shadow-md);transform:translateY(-3px);}
.matrix-media img{aspect-ratio:16/9;width:100%;object-fit:cover;transition:transform .6s ease;}
.matrix-card:hover .matrix-media img{transform:scale(1.03);}
.matrix-body{padding:24px;}
.matrix-tag{
  color:var(--accent);
  font-size:13px;
  display:inline-block;
  margin-bottom:8px;
  letter-spacing:.08em;
}
.matrix-card h3{font-family:var(--font-serif);font-size:22px;margin-bottom:10px;}
.matrix-card p{color:var(--muted);font-size:15px;line-height:1.85;margin-bottom:18px;}
.matrix-link{
  color:var(--primary);
  font-weight:600;
  display:inline-flex;
  align-items:center;
  gap:.45rem;
  border-bottom:1px solid rgba(11,61,46,.3);
  padding-bottom:3px;
}
.matrix-link:hover{color:var(--accent);border-color:var(--accent);}
.guide-list-card{
  padding:12px;
}
.guide-list-item{
  display:flex;
  gap:14px;
  padding:15px 10px;
  border-radius:10px;
  transition:background .2s ease;
}
.guide-list-item:hover{background:rgba(194,162,109,.08);}
.guide-list-item i{margin-top:4px;}
.guide-list-item strong{display:block;font-weight:600;}
.guide-list-item p{font-size:14px;color:var(--muted);margin:2px 0 0;}
.index-list .list-num{
  font-family:var(--font-serif);
  color:var(--accent);
  font-weight:700;
}
.index-list li{
  display:flex;
  gap:14px;
  padding:14px 0;
  border-bottom:1px solid var(--line);
  align-items:flex-start;
}
.index-list li:last-child{border-bottom:0;}
.index-list strong{display:block;font-weight:600;}
.index-list span{font-size:14px;color:var(--muted);}

/* 适用场景 */
.scene-section{background:var(--bone);}
.scene-row{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:60px;
  align-items:center;
  margin-bottom:50px;
}
.scene-row.reverse .scene-media{order:2;}
.scene-row:last-child{margin-bottom:0;}
.scene-media{
  position:relative;
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow-md);
}
.scene-media img{width:100%;aspect-ratio:16/11;object-fit:cover;}
.scene-media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(0deg,rgba(10,36,27,.14),transparent 45%);
  pointer-events:none;
}
.scene-badge{
  position:absolute;
  z-index:2;
  left:20px;top:20px;
  background:rgba(10,36,27,.82);
  color:var(--accent-soft);
  border-radius:999px;
  padding:.35rem .95rem;
  font-size:.88rem;
  border:1px solid rgba(214,190,146,.35);
  backdrop-filter:blur(6px);
}
.scene-text h3{font-family:var(--font-serif);font-size:clamp(22px,2.2vw,30px);margin-bottom:12px;}
.scene-quote{
  border-left:4px solid var(--accent);
  background:var(--white);
  border-radius:8px;
  padding:18px 22px;
  color:var(--muted);
  margin:0 0 18px;
  font-family:var(--font-serif);
  font-size:16px;
}
.scene-check{list-style:none;padding:0;margin:0;}
.scene-check li{
  display:flex;
  gap:10px;
  margin-bottom:8px;
  color:var(--ink);
  font-size:15px;
}
.scene-check i{color:var(--accent);}

/* 流程 */
.process-section{background:var(--bone);}
.process-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:16px;
  margin-top:16px;
}
.process-step{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:14px;
  padding:26px 22px;
  position:relative;
  transition:all .3s ease;
}
.process-step:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.process-step .p-step{
  font-family:var(--font-serif);
  color:var(--accent);
  font-size:13px;
  letter-spacing:.2em;
}
.process-step h3{font-family:var(--font-serif);font-size:19px;margin:10px 0 8px;}
.process-step p{font-size:14px;color:var(--muted);margin:0;}

/* FAQ */
.faq-section{background:var(--white);}
.faq-area{max-width:880px;margin:0 auto;}
.accordion-item{
  background:var(--bone);
  border:1px solid var(--line);
  border-radius:12px!important;
  margin-bottom:14px;
  overflow:hidden;
  transition:border-color .25s ease,box-shadow .25s ease;
}
.accordion-item:has([aria-expanded="true"]){border-left:4px solid var(--primary);box-shadow:var(--shadow-sm);}
.accordion-button{
  background:transparent;
  font-weight:600;
  color:var(--ink);
  font-size:16px;
  padding:18px 22px;
  box-shadow:none!important;
  border-radius:0!important;
  gap:14px;
}
.accordion-button:not(.collapsed){background:transparent;color:var(--primary);}
.accordion-button::after{filter:invert(24%) sepia(31%) saturate(1540%) hue-rotate(110deg) brightness(92%) contrast(92%);}
.accordion-button .fa-circle-question{color:var(--accent);margin-top:2px;}
.accordion-body{padding:0 22px 22px;color:var(--muted);}
.accordion-body p{margin:0;}

/* 末端 CTA */
.cta-block{
  background:var(--primary-deeper);
  color:var(--bone);
  padding:88px 24px;
  position:relative;
  overflow:hidden;
}
.cta-block::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center 70%;
  opacity:.11;
  pointer-events:none;
}
.cta-card{
  max-width:760px;
  margin:0 auto;
  text-align:center;
  position:relative;
  z-index:1;
}
.cta-card h2{font-family:var(--font-serif);font-size:clamp(26px,3vw,40px);margin:0 0 16px;color:#fff;}
.cta-card p{color:rgba(247,244,238,.78);margin:0 auto 28px;max-width:560px;}
.cta-card .btn-brand{
  background:var(--accent);
  border-color:var(--accent);
  color:var(--primary-deeper);
}
.cta-card .btn-brand:hover{background:var(--accent-soft);border-color:var(--accent-soft);}

/* 页脚 */
.site-footer{
  background:var(--primary-deeper);
  color:rgba(247,244,238,.82);
  padding:78px 0 30px;
  font-size:15px;
}
.footer-brand{
  color:#FFFFFF;
  font-family:var(--font-serif);
  font-size:22px;
  letter-spacing:.03em;
  font-weight:600;
}
.footer-brand:hover{color:var(--accent);}
.footer-note{line-height:1.9;color:rgba(247,244,238,.68);font-size:14px;max-width:420px;}
.site-footer h4{
  color:#FFFFFF;
  font-size:15px;
  letter-spacing:.08em;
  font-weight:600;
  margin:10px 0 16px;
}
.footer-links{list-style:none;padding:0;margin:0;}
.footer-links li{margin-bottom:11px;}
.footer-links a{
  color:rgba(247,244,238,.76);
  display:inline-flex;
  align-items:center;
  gap:.3rem;
  position:relative;
  font-size:14px;
}
.footer-links a::after{
  content:"";
  position:absolute;
  left:0;bottom:-3px;
  width:0;height:1px;
  background:var(--accent);
  transition:width .3s ease;
}
.footer-links a:hover{color:var(--accent-soft);}
.footer-links a:hover::after{width:100%;}
.footer-divider{
  border:0;
  border-top:1px solid rgba(247,244,238,.16);
  margin:44px 0 22px;
  opacity:1;
}
.footer-bottom{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:18px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(247,244,238,.55);
}
.footer-bottom .domain{color:var(--accent);letter-spacing:.08em;}

/* 入场动效 */
.js .reveal{opacity:0;transform:translateY(16px);}
.js .reveal.in-view{opacity:1;transform:none;transition:opacity .5s ease,transform .5s ease;}
.navbar-second.is-shadow{transition:box-shadow .3s ease;}

/* 响应式 */
@media (max-width:991.98px){
  :root{--space-section:72px;}
  .hero-visual{margin-top:16px;}
  .feature-grid{grid-template-columns:1fr;}
  .cell-feature-subs{grid-template-columns:1fr 1fr;}
  .scene-row{grid-template-columns:1fr;gap:40px;}
  .scene-row.reverse .scene-media{order:0;}
  .process-grid{grid-template-columns:repeat(2,1fr);gap:16px;}
  .top-nav{padding:12px 0;}
}
@media (max-width:767.98px){
  .category-hero h1{font-size:32px;}
  .hero-actions .btn{width:100%;}
  .cell-feature-subs{grid-template-columns:1fr;}
  .channel-nav a{padding:.5rem .8rem;font-size:.9rem;}
  .matrix-card{margin-bottom:22px;}
  .matrix-card:last-child{margin-bottom:0;}
  .process-grid{grid-template-columns:1fr;}
  .site-footer{padding:64px 0 30px;}
  .cta-block{padding:66px 20px;}
  .section-block{padding:64px 0;}
  .section-head{margin-bottom:36px;}
}
@media (max-width:575.98px){
  .container-xl{padding-left:16px;padding-right:16px;}
  .brand-logo .logo-text strong{font-size:17px;}
  .brand-logo .logo-text small{font-size:10px;}
  .brand-logo .seal{width:44px;height:44px;font-size:22px;}
  .header-cta{padding:.55rem .85rem;font-size:.89rem;}
  .channel-nav a{font-size:.84rem;}
  .category-hero h1{font-size:28px;}
  .hero-lead{font-size:.98rem;}
  .scene-check li{font-size:14px;}
  .footer-bottom{justify-content:center;text-align:center;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms!important;
    transition-duration:.001ms!important;
    scroll-behavior:auto!important;
  }
}

/* roulang page: category3 */
:root {
            --brand: #0B3D2E;
            --brand-hover: #0F4E3B;
            --ink: #1D2320;
            --muted: #6F736D;
            --paper: #F7F4EE;
            --paper-deep: #EFEAE0;
            --card: #FFFFFF;
            --accent: #C2A26D;
            --border: #E6E1D8;
            --footer: #0A241B;
            --radius-sm: 4px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --shadow-sm: 0 2px 8px rgba(20,30,20,.05);
            --shadow-hover: 0 8px 28px rgba(20,30,20,.10);
            --section-gap: 96px;
        }
        html { scroll-behavior: smooth; }
        body {
            margin: 0;
            font-family: "Source Han Sans SC","Noto Sans CJK SC","PingFang SC","Microsoft YaHei",sans-serif;
            background-color: var(--paper);
            color: var(--ink);
            line-height: 1.85;
            -webkit-font-smoothing: antialiased;
            text-rendering: optimizeLegibility;
        }
        h1,h2,h3,h4,h5 {
            font-family: "Source Han Serif SC","Noto Serif CJK SC","SimSun",serif;
            color: var(--ink);
        }
        a { color: var(--brand); text-decoration: none; }
        a:hover { color: var(--brand-hover); }
        img { max-width: 100%; height: auto; }
        .container-xl { max-width: 1280px; }
        .section-space { padding: var(--section-gap) 0; }
        .btn { border-radius: 6px; padding: 12px 26px; font-size: 16px; transition: all .28s ease; }
        .btn-brand {
            background-color: var(--brand);
            color: #FFF9EE;
            border: 1px solid var(--brand);
            box-shadow: none;
        }
        .btn-brand:hover, .btn-brand:focus {
            background-color: var(--brand-hover);
            border-color: var(--brand-hover);
            color: #FFFDF8;
            transform: translateY(-2px);
        }
        .btn-outline-brand {
            background: transparent;
            border: 1px solid rgba(247,244,238,.85);
            color: #FFF9EE;
        }
        .btn-outline-brand:hover {
            border-color: var(--accent);
            background: rgba(194,162,109,.12);
            color: #FFF9EE;
        }
        .btn-line {
            background: transparent;
            border: 1px solid var(--brand);
            color: var(--brand);
        }
        .btn-line:hover { border-color: var(--accent); background: rgba(194,162,109,.08); color: var(--brand); }
        .text-accent { color: var(--accent); }
        .text-muted { color: var(--muted); }

        /* header */
        .site-header {
            position: relative;
            z-index: 100;
            background: var(--paper);
        }
        .search-expand {
            display: none;
            background: #FFFFFF;
            border-bottom: 1px solid var(--border);
        }
        .site-header.search-open .search-expand { display: block; }
        .search-expand form {
            display: flex;
            background: #FFFFFF;
            border-radius: var(--radius-md);
            padding: 12px 0;
        }
        .search-expand input {
            flex: 1;
            border: 1px solid var(--border);
            border-right-width: 0;
            border-radius: 6px 0 0 6px;
            padding: 12px 16px;
            font-size: 15px;
            background: var(--paper);
            color: var(--ink);
            outline: none;
        }
        .search-expand input:focus { border-color: var(--accent); }
        .search-expand button {
            border: 1px solid var(--brand);
            background: var(--brand);
            color: #FFF9EE;
            padding: 0 24px;
            border-radius: 0 6px 6px 0;
            font-size: 15px;
        }
        .top-nav {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 0 12px;
            gap: 24px;
        }
        .brand-logo { display: inline-flex; align-items: center; gap: 12px; }
        .brand-logo .seal {
            width: 48px;
            height: 48px;
            display: grid;
            place-items: center;
            background: var(--brand);
            color: #FFF9EE;
            font-size: 25px;
            border-radius: 8px;
            border: 1px solid rgba(194,162,109,.5);
            font-family: "Source Han Serif SC","Noto Serif CJK SC",serif;
        }
        .logo-text { line-height: 1.2; }
        .logo-text strong {
            display: block;
            font-size: 21px;
            letter-spacing: .04em;
            font-weight: 700;
            color: var(--ink);
        }
        .logo-text small { display: block; font-size: 10px; color: var(--muted); letter-spacing: .28em; }
        .header-actions { display: flex; align-items: center; gap: 14px; }
        .search-toggle {
            background: transparent;
            border: 0;
            color: var(--brand);
            font-size: 18px;
            padding: 8px 4px;
            border-radius: 6px;
        }
        .search-toggle:focus { box-shadow: 0 0 0 3px rgba(11,61,46,.18); outline: none; }
        .header-cta { font-size: 15px; padding: 10px 20px; }
        .navbar-second {
            position: sticky;
            top: 0;
            z-index: 99;
            background: rgba(247,244,238,.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-top: 1px solid rgba(230,225,216,.75);
            box-shadow: none;
        }
        .channel-nav {
            display: flex;
            overflow-x: auto;
            gap: 6px;
            padding: 8px 0 10px;
            scrollbar-width: none;
        }
        .channel-nav::-webkit-scrollbar { display: none; }
        .channel-nav a {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 8px 18px;
            color: var(--ink);
            background: transparent;
            border: 1px solid transparent;
            font-size: 14px;
            white-space: nowrap;
            border-radius: 999px;
            transition: background .25s ease,color .25s ease,border-color .25s ease;
            position: relative;
        }
        .channel-nav a::after {
            content: "";
            position: absolute;
            left: 18px;
            right: 18px;
            bottom: 3px;
            height: 1px;
            background: transparent;
            transition: background .25s ease;
        }
        .channel-nav a:hover { color: var(--brand); border-color: rgba(11,61,46,.2); background: rgba(255,255,255,.7); }
        .channel-nav a.active,
        .channel-nav a[aria-current="true"] {
            color: #FFF9EE;
            background: var(--brand);
            border-color: var(--brand);
        }
        .channel-nav a.active::after,
        .channel-nav a[aria-current="true"]::after { background: transparent; }

        /* hero */
        .faq-hero {
            background:
                linear-gradient(100deg, rgba(10,36,27,.93) 0%, rgba(11,61,46,.86) 42%, rgba(11,61,46,.55) 100%),
                url("/assets/images/backpic/back-1.webp") center / cover no-repeat;
            color: #F7F4EE;
            padding: 96px 0 88px;
        }
        .faq-hero .section-kicker {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            letter-spacing: .18em;
            font-size: 13px;
            color: #F0DCC0;
            background: rgba(194,162,109,.14);
            border: 1px solid rgba(194,162,109,.35);
            padding: 6px 14px 6px 16px;
            border-radius: 999px;
            margin-bottom: 20px;
        }
        .faq-hero h1 {
            font-size: clamp(32px, 5vw, 54px);
            line-height: 1.18;
            color: #FFF9EE;
            max-width: 780px;
            margin-bottom: 18px;
        }
        .faq-hero .hero-lead {
            max-width: 720px;
            font-size: 17px;
            line-height: 1.85;
            color: rgba(247,244,238,.88);
            margin-bottom: 28px;
        }
        .hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 42px; }
        .hero-metrics {
            display: grid;
            grid-template-columns: repeat(3, minmax(0,1fr));
            max-width: 560px;
            border-top: 1px solid rgba(247,244,238,.25);
            padding-top: 24px;
            gap: 24px;
        }
        .hero-metrics .metric { line-height: 1.3; }
        .hero-metrics strong { font-size: 25px; color: #F0DCC0; display: block; font-weight: 600; }
        .hero-metrics span { font-size: 13px; color: rgba(247,244,238,.70); }
        .hero-figure {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: 0 20px 45px rgba(0,0,0,.2);
            border: 1px solid rgba(247,244,238,.15);
        }
        .hero-figure img { width: 100%; height: 340px; object-fit: cover; display: block; }

        /* feature cards */
        .feature-section { padding: 88px 0 92px; }
        .module-head { margin-bottom: 46px; }
        .module-head .section-kicker {
            display: inline-block;
            color: var(--accent);
            letter-spacing: .2em;
            font-size: 13px;
            margin-bottom: 12px;
        }
        .module-head h2 {
            font-size: clamp(26px, 3vw, 40px);
            margin-bottom: 12px;
            letter-spacing: .01em;
        }
        .module-head p {
            color: var(--muted);
            max-width: 700px;
            font-size: 16px;
            margin-bottom: 0;
        }
        .title-line {
            width: 36px;
            height: 2px;
            background: var(--accent);
            display: inline-block;
            margin: 8px 0 18px;
        }
        .feature-card {
            background: var(--card);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            border-radius: var(--radius-md);
            padding: 30px 28px;
            height: 100%;
            position: relative;
            overflow: hidden;
            transition: box-shadow .3s ease, transform .3s ease;
        }
        .feature-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); }
        .feature-card .card-num {
            font-size: 40px;
            font-weight: 700;
            line-height: 1;
            color: rgba(194,162,109,.45);
            display: block;
            margin-bottom: 14px;
            font-family: "Source Han Serif SC","Noto Serif CJK SC",serif;
        }
        .feature-card h3 { font-size: 21px; margin-bottom: 10px; }
        .feature-card p { color: var(--muted); margin: 0; font-size: 15px; }
        .feature-card i { color: var(--accent); margin-right: 6px; }

        /* timeline */
        .timeline-section {
            background: #FFFFFF;
            padding: 96px 0;
        }
        .timeline-wrap {
            max-width: 960px;
            margin: 0 auto;
            position: relative;
        }
        .timeline-wrap::before {
            content: "";
            position: absolute;
            left: 60px;
            top: 10px;
            bottom: 10px;
            width: 1px;
            background: linear-gradient(180deg, rgba(194,162,109,.5), rgba(194,162,109,.12));
        }
        .timeline-item {
            display: grid;
            grid-template-columns: 120px minmax(0,1fr);
            gap: 30px;
            margin-bottom: 34px;
            position: relative;
        }
        .timeline-meta { text-align: center; }
        .timeline-meta .tl-flag {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            background: var(--brand);
            color: #FFF9EE;
            font-size: 14px;
            border-radius: 50%;
            box-shadow: 0 0 0 8px #EFEAE0;
            margin-top: 10px;
            font-weight: 600;
            border: 1px solid rgba(194,162,109,.5);
        }
        .timeline-meta .tl-date {
            display: block;
            margin-top: 8px;
            color: var(--accent);
            font-size: 12px;
            letter-spacing: .08em;
        }
        .timeline-card {
            background: var(--paper);
            border: 1px solid var(--border);
            border-left: 4px solid var(--accent);
            border-radius: var(--radius-md);
            padding: 28px 32px;
            transition: box-shadow .3s ease, transform .3s ease;
        }
        .timeline-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-2px); }
        .timeline-card .tag-line {
            display: inline-flex;
            gap: 4px;
            margin-bottom: 8px;
            font-size: 12px;
            color: var(--accent);
            letter-spacing: .1em;
        }
        .timeline-card h3 { font-size: 22px; margin-bottom: 12px; }
        .timeline-card p { color: var(--muted); font-size: 16px; margin-bottom: 8px; }
        .timeline-card .more-anchor { color: var(--brand); font-size: 14px; display: inline-flex; align-items: center; gap: 4px; }
        .timeline-card .more-anchor:hover { color: var(--accent); }

        /* FAQ */
        .faq-section { background: var(--paper-deep); padding: 96px 0; }
        .faq-panel { max-width: 880px; margin: 0 auto; }
        .faq-item {
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            margin-bottom: 14px;
            overflow: hidden;
            transition: box-shadow .3s ease;
        }
        .faq-item.show { box-shadow: var(--shadow-sm); border-left: 4px solid var(--brand); }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: transparent;
            border: 0;
            padding: 20px 26px;
            text-align: left;
            color: var(--ink);
            font-size: 16px;
            line-height: 1.5;
            font-weight: 600;
            gap: 16px;
            cursor: pointer;
        }
        .faq-question:hover { color: var(--brand); }
        .faq-question:focus { outline: none; box-shadow: 0 0 0 3px rgba(11,61,46,.14); }
        .faq-q-label {
            display: inline-block;
            background: rgba(11,61,46,.08);
            color: var(--brand);
            font-size: 12px;
            border-radius: 4px;
            margin-right: 13px;
            padding: 2px 9px;
            vertical-align: 2px;
        }
        .faq-question .faq-arrow { transition: transform .3s ease; color: var(--accent); }
        .faq-item.show .faq-arrow { transform: rotate(180deg); }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .5s ease;
            border-top: 0 solid transparent;
        }
        .faq-answer-inner {
            padding: 0 28px 24px;
            color: var(--muted);
            line-height: 1.85;
            font-size: 15px;
        }
        .faq-answer-inner p { margin-bottom: 0; }
        .faq-item.show .faq-answer { border-top-color: var(--border); }
        .faq-item.show .faq-answer-inner { color: #454A45; }

        /* CTA */
        .cta-box { background-color: var(--brand); padding: 80px 0; }
        .cta-inner {
            background:
                radial-gradient(circle at 90% 20%, rgba(194,162,109,.18), transparent 28%),
                linear-gradient(115deg, rgba(0,0,0,.08), transparent 50%);
            border: 1px solid rgba(194,162,109,.28);
            border-radius: var(--radius-lg);
            padding: 64px 24px;
            text-align: center;
            color: #F7F4EE;
            position: relative;
        }
        .cta-inner h2 { color: #FFF9EE; font-size: clamp(26px,3vw,38px); margin-bottom: 12px; }
        .cta-inner p { max-width: 660px; margin: 0 auto 28px; color: rgba(247,244,238,.82); }
        .cta-inner .btn { border-radius: 6px; }

        /* footer */
        .site-footer {
            background: var(--footer);
            padding: 72px 0 28px;
            color: rgba(247,244,238,.72);
        }
        .site-footer h4 {
            color: #FFF9EE;
            font-size: 16px;
            letter-spacing: .06em;
            margin: 8px 0 16px;
        }
        .footer-brand {
            font-family: "Source Han Serif SC","Noto Serif CJK SC",serif;
            color: #FFF9EE;
            font-size: 20px;
            font-weight: 700;
            letter-spacing: .03em;
        }
        .footer-brand:hover { color: var(--accent); }
        .footer-note {
            font-size: 14px;
            color: rgba(247,244,238,.62);
            line-height: 1.9;
            max-width: 360px;
        }
        .footer-links { list-style: none; margin: 0; padding: 0; }
        .footer-links li { margin-bottom: 8px; }
        .footer-links a { color: rgba(247,244,238,.68); font-size: 14px; transition: all .25s ease; position: relative; }
        .footer-links a:hover { color: #F0DCC0; padding-left: 4px; }
        .footer-divider { border-top: 1px solid rgba(247,244,238,.12); margin: 44px 0 20px; }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 12px;
            align-items: center;
            font-size: 13px;
            color: rgba(247,244,238,.46);
        }
        .footer-bottom .domain { letter-spacing: .06em; color: rgba(194,162,109,.55); }

        @media (max-width: 992px) {
            :root { --section-gap: 72px; }
            .faq-hero { padding: 76px 0 72px; }
            .hero-metrics { max-width: 100%; }
        }
        @media (max-width: 768px) {
            :root { --section-gap: 64px; }
            .header-cta span { display: none; }
            .header-cta { padding: 9px 12px; }
            .header-cta i { margin: 0; }
            .top-nav { padding: 12px 0; }
            .channel-nav a { padding: 7px 14px; font-size: 13px; }
            .faq-hero { padding: 62px 0 56px; }
            .hero-lead { font-size: 16px; }
            .feature-section, .timeline-section, .faq-section, .site-footer { padding-top: 64px; padding-bottom: 64px; }
            .cta-box { padding: 60px 0; }
            .timeline-item { grid-template-columns: 1fr; gap: 6px; }
            .timeline-wrap::before { left: 21px; }
            .timeline-meta { text-align: left; display: flex; align-items: center; gap: 14px; padding-left: 0; }
            .timeline-meta .tl-flag { margin-top: 0; box-shadow: none; }
            .timeline-meta .tl-date { margin-top: 0; }
        }
        @media (max-width: 576px) {
            .brand-logo strong { font-size: 18px; }
            .btn { padding: 10px 16px; font-size: 15px; }
            .hero-metrics { gap: 10px; }
            .hero-metrics strong { font-size: 21px; }
            .hero-metrics span { font-size: 12px; }
            .timeline-card { padding: 22px 20px; }
            .timeline-card h3 { font-size: 20px; }
            .faq-question { padding: 17px 18px; font-size: 15px; }
            .faq-answer-inner { padding: 0 18px 20px; }
            .footer-bottom { flex-direction: column; align-items: flex-start; }
        }
        @media (prefers-reduced-motion: reduce) {
            * { transition: none !important; scroll-behavior: auto !important; }
        }
        ::selection { background: rgba(194,162,109,.25); }

/* roulang page: category4 */
:root {
    --brand-green: #0B3D2E;
    --brand-green-hover: #0F4E3B;
    --brand-green-deep: #0A241B;
    --champagne: #C2A26D;
    --bone: #F7F4EE;
    --white: #FFFFFF;
    --ink: #1D2320;
    --muted: #6F736D;
    --line: #E6E1D8;
    --soft-dark: rgba(10, 36, 27, 0.06);
    --radius-sm: 4px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --shadow-sm: 0 2px 8px rgba(20, 30, 20, 0.05);
    --shadow-hover: 0 8px 28px rgba(20, 30, 20, 0.10);
    --font-sans: "Source Han Sans SC", "Noto Sans CJK SC", "PingFang SC", "Microsoft YaHei", sans-serif;
    --font-serif: "Source Han Serif SC", "Noto Serif CJK SC", "SimSun", serif;
}

html {
    box-sizing: border-box;
    scroll-behavior: smooth;
}

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

body {
    margin: 0;
    background: var(--bone);
    color: var(--ink);
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.85;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
    vertical-align: middle;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color 0.25s ease, background-color 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease, transform 0.2s ease;
}

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

button,
input {
    font: inherit;
}

a,
button,
input,
.accordion-button {
    outline: none;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
.accordion-button:focus-visible {
    outline: 3px solid rgba(194, 162, 109, 0.65);
    outline-offset: 3px;
    border-radius: var(--radius-sm);
}

.container-xl {
    max-width: 1280px;
    padding-left: 24px;
    padding-right: 24px;
}

.section-space {
    padding: 96px 0;
}

.section-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--brand-green);
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.14em;
}

.section-eyebrow::before {
    content: "";
    width: 18px;
    height: 1px;
    background: var(--champagne);
}

.section-title {
    font-family: var(--font-serif);
    color: var(--ink);
    font-size: clamp(26px, 3vw, 40px);
    font-weight: 700;
    line-height: 1.3;
    margin: 0.5rem 0 0.6rem;
}

.section-rule {
    width: 36px;
    height: 3px;
    border: 0;
    background: var(--champagne);
    margin: 0 0 18px;
}

.section-lead {
    color: var(--muted);
    font-size: 17px;
    line-height: 1.85;
    max-width: 760px;
    margin: 0;
}

/* ========== Header ========== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1080;
    background: rgba(247, 244, 238, 0.94);
    border-bottom: 1px solid rgba(194, 162, 109, 0.28);
    transition: box-shadow 0.3s ease;
}

.site-header.is-scrolled {
    box-shadow: 0 6px 24px rgba(20, 30, 20, 0.06);
}

.search-expand {
    max-height: 0;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.97);
    border-bottom: 0 solid transparent;
    transition: max-height 0.35s ease, border-color 0.35s ease;
}

body.search-open .search-expand {
    max-height: 96px;
    border-bottom: 1px solid var(--line);
}

.search-expand form {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 20px;
}

.search-expand input {
    flex: 1;
    max-width: 520px;
    min-width: 0;
    border: 1px solid var(--line);
    background: var(--bone);
    color: var(--ink);
    border-radius: 999px;
    padding: 0.6rem 1.25rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.search-expand input:focus {
    border-color: var(--champagne);
    box-shadow: 0 0 0 4px rgba(194, 162, 109, 0.14);
}

.search-expand button {
    border: 0;
    background: var(--brand-green);
    color: #fff;
    border-radius: 999px;
    padding: 0.62rem 1.3rem;
    transition: background-color 0.2s ease, transform 0.2s ease;
}

.search-expand button:hover {
    background: var(--brand-green-hover);
    transform: translateY(-1px);
}

.top-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    padding: 0.9rem 0;
    background: transparent;
    transition: padding 0.25s ease, box-shadow 0.25s ease;
}

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

.seal {
    width: 44px;
    height: 44px;
    background: var(--brand-green);
    border: 1px solid rgba(194, 162, 109, 0.55);
    border-radius: 9px 9px 9px 3px;
    color: var(--bone);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-serif);
    font-size: 26px;
    font-weight: 700;
    line-height: 1;
    box-shadow: 0 0 0 3px rgba(194, 162, 109, 0.12);
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
    gap: 2px;
}

.logo-text strong {
    font-size: 21px;
    font-weight: 700;
    color: var(--brand-green);
    letter-spacing: 0.02em;
}

.logo-text small {
    font-size: 10px;
    letter-spacing: 0.28em;
    color: #90958D;
    text-transform: uppercase;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.search-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: 1px solid transparent;
    background: transparent;
    color: var(--brand-green);
    border-radius: 999px;
    transition: background-color 0.2s ease, border-color 0.2s ease;
}

.search-toggle:hover {
    background: rgba(11, 61, 46, 0.07);
    border-color: rgba(11, 61, 46, 0.15);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.55rem;
    border-radius: 8px;
    font-weight: 600;
    text-align: center;
    white-space: nowrap;
    border: 1px solid transparent;
    padding: 0.72rem 1.45rem;
    transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.btn-lg {
    padding: 0.9rem 1.75rem;
    font-size: 1.02rem;
}

.btn-brand {
    background: var(--brand-green);
    color: var(--bone);
    border-color: var(--brand-green);
}

.btn-brand:hover,
.btn-brand:focus {
    background: var(--brand-green-hover);
    border-color: var(--brand-green-hover);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(11, 61, 46, 0.16);
}

.btn-outline-brand {
    background: transparent;
    color: var(--brand-green);
    border-color: var(--brand-green);
}

.btn-outline-brand:hover,
.btn-outline-brand:focus {
    border-color: var(--champagne);
    color: var(--brand-green);
    background: rgba(11, 61, 46, 0.05);
    transform: translateY(-1px);
}

.btn-outline-light {
    background: transparent;
    color: #fff;
    border-color: rgba(255, 255, 255, 0.72);
}

.btn-outline-light:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: #fff;
    color: #fff;
    transform: translateY(-1px);
}

.header-cta {
    padding: 0.55rem 1.15rem;
    font-size: 0.95rem;
}

/* ========== 频道导航 ========== */
.navbar-second {
    background: rgba(247, 244, 238, 0.9);
    border-top: 1px solid rgba(194, 162, 109, 0.16);
    overflow: hidden;
}

.channel-nav {
    display: flex;
    align-items: center;
    gap: 4px;
    overflow-x: auto;
    padding: 6px 0;
    scrollbar-width: none;
}

.channel-nav::-webkit-scrollbar {
    display: none;
}

.channel-nav a {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 0.45rem 1rem;
    border-radius: 999px;
    font-size: 15px;
    font-weight: 500;
    color: #26302B;
    background: transparent;
    border: 1px solid transparent;
    white-space: nowrap;
    transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.channel-nav a i {
    font-size: 14px;
    opacity: 0.9;
}

.channel-nav a:hover {
    background: rgba(11, 61, 46, 0.07);
    color: var(--brand-green);
    border-color: rgba(11, 61, 46, 0.08);
}

.channel-nav a.active {
    background: var(--brand-green);
    border-color: var(--brand-green);
    color: var(--bone);
    box-shadow: 0 4px 14px rgba(11, 61, 46, 0.16);
}

/* ========== 页面大横幅 ========== */
.page-hero {
    position: relative;
    isolation: isolate;
    padding: 88px 0 74px;
    background: linear-gradient(100deg, rgba(10, 36, 27, 0.97) 0%, rgba(10, 36, 27, 0.88) 52%, rgba(10, 36, 27, 0.78) 100%), url('/assets/images/backpic/back-2.webp') center center / cover no-repeat;
    color: #fff;
}

.page-hero-hero-grid {
    position: absolute;
    inset: 0;
    z-index: -1;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
    background-size: 72px 72px;
    opacity: 0.55;
    pointer-events: none;
}

.page-hero-crumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.74);
}

.page-hero-crumb a {
    color: rgba(255, 255, 255, 0.92);
    border-bottom: 1px solid rgba(255, 255, 255, 0.45);
}

.page-hero-crumb a:hover {
    color: #fff;
    border-bottom-color: var(--champagne);
}

.crumb-line {
    color: var(--champagne);
}

.page-hero-kicker {
    margin-top: 28px;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--champagne);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.35em;
    text-transform: uppercase;
}

.page-hero-kicker::before {
    content: "";
    width: 22px;
    height: 2px;
    background: var(--champagne);
}

.page-hero h1 {
    font-family: var(--font-serif);
    font-size: clamp(34px, 5vw, 58px);
    font-weight: 700;
    line-height: 1.18;
    max-width: 940px;
    margin: 14px 0 18px;
    color: #FDFCF7;
    letter-spacing: 0.01em;
}

.page-hero .hero-lead {
    max-width: 760px;
    font-size: 17px;
    line-height: 1.9;
    color: rgba(255, 255, 255, 0.86);
}

.page-hero-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 28px;
}

.hero-meta-chip {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 999px;
    padding: 6px 14px;
    color: rgba(255, 255, 255, 0.9);
    font-size: 14px;
}

.hero-meta-chip i {
    color: var(--champagne);
}

/* ========== 通用介绍区 ========== */
.manual-intro {
    background: #FFFFFF;
    border-bottom: 1px solid var(--line);
}

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

.manual-overview-card {
    background: var(--bone);
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    padding: 24px;
    min-height: 180px;
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.manual-overview-card:hover {
    transform: translateY(-4px);
    border-color: rgba(194, 162, 109, 0.55);
    box-shadow: var(--shadow-hover);
}

.manual-overview-card .ov-number {
    font-family: var(--font-serif);
    font-size: 34px;
    color: var(--champagne);
    line-height: 1;
    display: block;
    margin-bottom: 16px;
}

.manual-overview-card h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--ink);
}

.manual-overview-card p {
    font-size: 15px;
    color: var(--muted);
    line-height: 1.8;
    margin: 0;
}

/* ========== 两种阅读维度大区块 ========== */
.dimension-section {
    background: var(--bone);
}

.dimension-grid {
    margin-top: 8px;
}

.manual-media-card {
    display: flex;
    flex-direction: column;
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: 18px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.manual-media-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(194, 162, 109, 0.42);
}

.media-cover {
    position: relative;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: var(--brand-green-deep);
}

.media-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.55s ease;
}

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

.media-tag {
    position: absolute;
    left: 16px;
    bottom: 14px;
    z-index: 2;
    color: #fff;
    background: rgba(10, 36, 27, 0.86);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 999px;
    padding: 5px 13px;
    font-size: 13px;
    letter-spacing: 0.04em;
}

.media-body {
    padding: 30px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.media-body h3 {
    font-family: var(--font-serif);
    font-size: clamp(20px, 2vw, 25px);
    font-weight: 700;
    margin-bottom: 10px;
}

.media-body>p {
    color: var(--muted);
    font-size: 16px;
    line-height: 1.85;
    margin-bottom: 20px;
}

.dimension-points {
    display: grid;
    gap: 14px;
    margin-bottom: 24px;
}

.dimension-points li {
    display: flex;
    gap: 12px;
    background: var(--bone);
    border-radius: var(--radius-md);
    padding: 14px 16px;
    font-size: 15px;
    color: var(--ink);
    line-height: 1.7;
}

.dimension-points li i {
    color: var(--champagne);
    font-size: 17px;
    margin-top: 4px;
    flex-shrink: 0;
}

.dimension-points li strong {
    display: block;
    font-weight: 700;
}

.text-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--brand-green);
    font-weight: 600;
    margin-top: auto;
}

.text-link i {
    transition: transform 0.25s ease;
}

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

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

/* ========== 手册浏览路径 ========== */
.path-section {
    background: #FFFFFF;
}

.path-grid {
    margin-top: 26px;
}

.step-card {
    background: var(--bone);
    border: 1px solid var(--line);
    border-radius: 16px;
    padding: 28px 24px;
    height: 100%;
    position: relative;
    transition: background-color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
}

.step-card:hover {
    background: #fff;
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}

.step-num {
    font-family: var(--font-serif);
    font-size: 42px;
    line-height: 1;
    color: var(--champagne);
    display: block;
    margin-bottom: 16px;
}

.step-card h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 10px;
}

.step-card p {
    color: var(--muted);
    font-size: 15px;
    line-height: 1.8;
    margin: 0;
}

/* ========== 阅读约定区 ========== */
.note-section {
    background: var(--bone);
}

.note-panel {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 18px;
    padding: 40px;
    box-shadow: var(--shadow-sm);
}

.note-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-top: 26px;
}

.note-item {
    display: flex;
    gap: 16px;
    padding: 18px 0;
    border-bottom: 1px solid var(--line);
}

.note-item:last-child {
    border-bottom: 0;
}

.note-item i {
    width: 38px;
    height: 38px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(11, 61, 46, 0.08);
    color: var(--brand-green);
    border-radius: 50%;
    font-size: 16px;
}

.note-item h3 {
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 4px;
}

.note-item p {
    color: var(--muted);
    font-size: 15px;
    line-height: 1.78;
    margin: 0;
}

/* ========== FAQ ========== */
.faq-section {
    background: #FFFFFF;
}

.faq-container {
    max-width: 920px;
    margin: 0 auto;
}

.accordion {
    margin-top: 30px;
}

.accordion-item {
    background: #fff;
    border: 1px solid var(--line) !important;
    border-radius: 14px !important;
    margin-bottom: 14px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: box-shadow 0.25s ease, border-color 0.25s ease;
}

.accordion-item:has(.accordion-button:not(.collapsed)) {
    border-color: rgba(11, 61, 46, 0.4) !important;
    box-shadow: 0 6px 24px rgba(11, 61, 46, 0.06);
}

.accordion-button {
    background: #fff;
    color: var(--ink);
    border-radius: 14px !important;
    padding: 1rem 1.25rem;
    font-size: 1rem;
    font-weight: 600;
    line-height: 1.6;
    box-shadow: none;
}

.accordion-button:not(.collapsed) {
    background: #fff;
    color: var(--brand-green);
    box-shadow: none;
    border-left: 4px solid var(--brand-green);
    border-radius: 14px 14px 0 0 !important;
}

.accordion-button:not(.collapsed)::after {
    box-shadow: none;
    filter: none;
}

.accordion-button::after {
    background-image: none;
    content: "\f078";
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    width: 20px;
    height: 20px;
    color: var(--champagne);
    font-size: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.25s ease;
}

.accordion-button:not(.collapsed)::after {
    transform: rotate(180deg);
}

.accordion-button:focus {
    box-shadow: none;
}

.faq-label {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    background: var(--brand-green);
    color: #fff;
    font-family: var(--font-serif);
    font-size: 13px;
    font-weight: 700;
    border-radius: 6px;
    line-height: 1;
    margin-right: 8px;
    flex-shrink: 0;
}

.accordion-body {
    background: #fff;
    border-left: 4px solid var(--brand-green);
    border-radius: 0 0 14px 14px;
    padding: 0 1.35rem 1.2rem 1.35rem;
    color: var(--muted);
    font-size: 15px;
    line-height: 1.9;
}

.answer-label {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    background: var(--champagne);
    color: #fff;
    font-family: var(--font-serif);
    font-size: 13px;
    font-weight: 700;
    border-radius: 6px;
    margin-right: 8px;
}

/* ========== CTA区 ========== */
.final-cta {
    background: var(--brand-green);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
}

.final-cta .container-xl {
    padding: 84px 24px;
}

.cta-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 36px;
    max-width: 1180px;
    margin: 0 auto;
}

.cta-inner h2 {
    font-family: var(--font-serif);
    font-size: clamp(26px, 3vw, 38px);
    font-weight: 700;
    margin: 12px 0 10px;
    line-height: 1.3;
}

.cta-eyebrow {
    color: var(--champagne);
    letter-spacing: 0.2em;
    font-size: 13px;
    font-weight: 600;
}

.cta-copy {
    color: rgba(255, 255, 255, 0.82);
    max-width: 620px;
    line-height: 1.85;
    font-size: 16px;
    margin: 0;
}

.cta-actions {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
    flex-shrink: 0;
}

/* ========== Footer ========== */
.site-footer {
    background: var(--brand-green-deep);
    color: rgba(255, 255, 255, 0.76);
    font-size: 15px;
    line-height: 1.8;
    padding-top: 64px;
    padding-bottom: 26px;
}

.site-footer a {
    color: rgba(255, 255, 255, 0.8);
}

.site-footer a:hover {
    color: var(--champagne);
}

.footer-brand {
    font-family: var(--font-serif);
    font-size: 28px;
    font-weight: 700;
    color: #fff;
    letter-spacing: 0.03em;
}

.footer-brand i {
    font-style: normal;
    color: var(--champagne);
}

.footer-note {
    color: rgba(255, 255, 255, 0.62);
    font-size: 14px;
    line-height: 1.8;
}

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

.site-footer h4 {
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 16px;
    letter-spacing: 0.04em;
    margin-top: 10px;
}

.footer-links {
    display: grid;
    gap: 10px;
}

.footer-links li a {
    display: inline-flex;
    align-items: center;
    transition: color 0.2s ease, padding-left 0.2s ease;
}

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

.footer-links li a i {
    color: var(--champagne);
    font-size: 13px;
    width: 20px;
}

.footer-divider {
    border: 0;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    margin: 34px 0 20px;
    opacity: 1;
}

.footer-bottom {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.5);
}

.footer-bottom .domain {
    color: var(--champagne);
    letter-spacing: 0.04em;
}

/* ========== 响应式 ========== */
@media (max-width: 1199px) {
    .section-space {
        padding: 84px 0;
    }

    .page-hero {
        padding: 70px 0 64px;
    }

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

    .cta-actions {
        flex-wrap: wrap;
    }
}

@media (max-width: 991px) {
    .section-space {
        padding: 72px 0;
    }

    .manual-overview-grid {
        grid-template-columns: 1fr 1fr;
    }

    .media-body {
        padding: 24px;
    }

    .note-panel {
        padding: 26px;
    }
}

@media (max-width: 767px) {
    .site-header {
        position: sticky;
        top: 0;
    }

    .container-xl {
        padding-left: 18px;
        padding-right: 18px;
    }

    .section-space {
        padding: 62px 0;
    }

    .top-nav {
        padding: 0.75rem 0;
    }

    .seal {
        width: 38px;
        height: 38px;
        font-size: 22px;
    }

    .logo-text strong {
        font-size: 18px;
    }

    .logo-text small {
        font-size: 9px;
        letter-spacing: 0.16em;
    }

    .header-cta span {
        display: none;
    }

    .header-cta {
        padding: 0.58rem 0.85rem;
        font-size: 0.9rem;
    }

    .page-hero {
        padding: 54px 0 48px;
    }

    .page-hero h1 {
        font-size: clamp(30px, 9vw, 44px);
    }

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

    .manual-overview-grid {
        grid-template-columns: 1fr;
    }

    .manual-overview-card {
        min-height: auto;
    }

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

    .dimension-points li {
        padding: 13px;
    }

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

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

    .cta-inner {
        padding: 32px 0 28px;
    }

    .final-cta .container-xl {
        padding: 60px 18px;
    }
}

@media (max-width: 575px) {
    .search-expand form {
        flex-direction: column;
        padding: 12px 16px;
    }

    body.search-open .search-expand {
        max-height: 168px;
    }

    .search-expand input {
        width: 100%;
    }

    .search-expand button {
        width: 100%;
    }

    .header-actions .btn-header-label {
        display: none;
    }

    .channel-nav a {
        padding: 0.44rem 0.85rem;
        font-size: 14px;
    }

    .channel-nav a i {
        font-size: 13px;
    }

    .manual-media-card .media-body h3 {
        font-size: 20px;
    }

    .step-grid .col-6 {
        flex: 0 0 100%;
        max-width: 100%;
    }

    .note-panel {
        padding: 22px 18px;
    }

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

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