/* roulang page: index */
:root {
            --bg-page: #F6F9FD;
            --bg-card: #FFFFFF;
            --primary: #1565C0;
            --primary-hover: #0F4A92;
            --primary-light: #EAF2FB;
            --primary-extra-light: #F3F8FD;
            --heading: #102A43;
            --body-text: #334E68;
            --muted: #627D98;
            --border: #E1EAF3;
            --dark: #0C2D54;
            --dark-text: #A8C7E0;
            --gold: #D9A441;
            --gold-hover: #BB8630;
            --success: #2F8F5B;
            --radius-lg: 16px;
            --radius-md: 10px;
            --radius-sm: 8px;
            --shadow-card: 0 1px 2px rgba(16, 42, 67, 0.04), 0 16px 40px -20px rgba(16, 42, 67, 0.14);
            --shadow-hover: 0 2px 4px rgba(16, 42, 67, 0.06), 0 24px 48px -16px rgba(16, 42, 67, 0.2);
            --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", sans-serif;
        }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; }
        body { font-family: var(--font-sans); background-color: var(--bg-page); color: var(--body-text); font-size: 15px; line-height: 1.8; -webkit-font-smoothing: antialiased; }
        a { text-decoration: none; color: inherit; transition: color 0.2s ease, background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease; }
        img { max-width: 100%; display: block; }
        button { font-family: var(--font-sans); cursor: pointer; }
        .container-custom { max-width: 1440px; margin: 0 auto; width: 100%; }
        .c-primary { color: var(--primary); }
        .bg-primary { background-color: var(--primary); }
        .text-heading { color: var(--heading); }
        .text-muted { color: var(--muted); }
        .bg-page { background-color: var(--bg-page); }

        .sidebar-shell { display: flex; min-height: 100vh; }
        .sidebar {
            width: 256px; background: var(--bg-card); border-right: 1px solid var(--border);
            position: fixed; top: 0; left: 0; height: 100vh; z-index: 60;
            display: flex; flex-direction: column;
        }
        .sidebar-logo { height: 76px; display: flex; align-items: center; gap: 10px; padding: 0 20px; border-bottom: 1px solid var(--border); flex-shrink: 0; }
        .sidebar-logo .logo-box { width: 34px; height: 34px; border-radius: 10px; background: var(--primary-light); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
        .sidebar-logo .logo-title { font-size: 16px; font-weight: 700; color: var(--heading); line-height: 1.3; }
        .sidebar-logo .logo-sub { font-size: 12px; color: var(--muted); line-height: 1.2; }
        .sidebar-nav { flex: 1; padding: 16px 12px; overflow-y: auto; }
        .nav-group-title { font-size: 12px; color: var(--muted); padding: 12px 12px 6px; font-weight: 500; letter-spacing: .04em; }
        .nav-item {
            display: flex; align-items: center; gap: 10px; width: 100%; padding: 0 12px; height: 44px;
            border-radius: var(--radius-md); color: var(--body-text); font-size: 15px; font-weight: 500;
            border: none; background: transparent; text-align: left; transition: background 0.2s, color 0.2s;
            position: relative; margin-bottom: 2px;
        }
        .nav-item i { width: 20px; text-align: center; font-size: 14px; color: var(--muted); transition: color 0.2s; }
        .nav-item:hover { background: var(--primary-extra-light); color: var(--heading); }
        .nav-item:hover i { color: var(--primary); }
        .nav-item.active { background: var(--primary-light); color: var(--primary); font-weight: 600; }
        .nav-item.active i { color: var(--primary); }
        .nav-item.active::before { content: ''; position: absolute; left: 0; top: 12px; bottom: 12px; width: 3px; border-radius: 0 3px 3px 0; background: var(--primary); }
        .nav-item:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
        .sidebar-status { padding: 14px; margin: auto 12px 12px; background: var(--primary-extra-light); border: 1px solid var(--border); border-radius: var(--radius-lg); }
        .sidebar-footer-meta { font-size: 12px; color: var(--muted); padding: 12px 16px 8px; }
        .sidebar-footer-meta a { color: var(--muted); }
        .sidebar-footer-meta a:hover { color: var(--primary); }
        .main-content { flex: 1; margin-left: 256px; min-width: 0; }

        /* mobile top */
        .mobile-topbar { display: none; }
        .app-backdrop { display: none; }

        /* Buttons */
        .btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; border-radius: var(--radius-sm); font-size: 15px; font-weight: 600; padding: 0 20px; height: 44px; border: 1px solid transparent; transition: all 0.2s ease; text-decoration: none !important; white-space: nowrap; }
        .btn:active { transform: translateY(1px); }
        .btn:focus-visible { outline: 2px solid rgba(21, 101, 192, 0.5); outline-offset: 2px; }
        .btn-primary { background: var(--primary); color: #fff !important; box-shadow: 0 2px 6px rgba(21, 101, 192, 0.25); }
        .btn-primary:hover { background: var(--primary-hover); box-shadow: var(--shadow-hover); transform: translateY(-1px); color: #fff !important; }
        .btn-secondary { background: #fff; color: var(--primary) !important; border-color: #B8CFE3; }
        .btn-secondary:hover { border-color: var(--primary); background: var(--primary-extra-light); transform: translateY(-1px); color: var(--primary) !important; }
        .btn-vip { background: var(--gold); color: #fff !important; box-shadow: 0 2px 8px rgba(217, 164, 65, 0.3); }
        .btn-vip:hover { background: var(--gold-hover); color: #fff !important; transform: translateY(-1px); box-shadow: 0 4px 12px rgba(217, 164, 65, 0.35); }
        .btn-light { background: rgba(255, 255, 255, 0.12); color: #fff !important; border: 1px solid rgba(255, 255, 255, 0.3); backdrop-filter: blur(6px); }
        .btn-light:hover { background: rgba(255, 255, 255, 0.2); color: #fff !important; }

        /* Section spacing */
        .section-padding { padding: 80px 0; }
        @media (max-width: 1024px) { .section-padding { padding: 56px 0; } }

        .card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg); box-shadow: var(--shadow-card); transition: box-shadow 0.25s ease, transform 0.25s ease; }
        .card-img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; border-radius: 6px; }
        .data-card { padding: 18px; }

        /* FAQ */
        .faq-item { border: 1px solid var(--border); border-radius: var(--radius-md); background: #fff; transition: box-shadow 0.2s; }
        .faq-q { padding: 18px 18px 10px; font-weight: 600; color: var(--heading); display: flex; justify-content: space-between; align-items: center; cursor: pointer; gap: 12px; border: 0; background: none; width: 100%; text-align: left; font-size: 15px; line-height: 1.5; }
        .faq-q:focus-visible { outline: 2px solid var(--primary); outline-offset: -2px; border-radius: 10px; }
        .faq-q i { transition: transform 0.25s; color: var(--primary); }
        .faq-item.open .faq-q i { transform: rotate(180deg); }
        .faq-a { display: none; padding: 0 18px 16px; color: var(--body-text); font-size: 14px; line-height: 1.7; }
        .faq-item.open .faq-a { display: block; }

        /* Page hero and photos */
        .hero-cover { background-image: url('/assets/images/backpic/back-1.webp'); background-position: center 30%; background-size: cover; background-repeat: no-repeat; }
        .hero-mask { background: rgba(246, 249, 253, 0.72); }

        /* badges & chips */
        .badge-soft-blue { background: var(--primary-light); color: var(--primary); font-size: 13px; font-weight: 500; border-radius: 999px; padding: 3px 10px; }
        .badge-soft-gold { background: #F7EAD1; color: #8A6B21; font-size: 13px; font-weight: 500; border-radius: 999px; padding: 3px 10px; }
        .badge-success { background: #E3F2E9; color: var(--success); font-size: 13px; border-radius: 999px; padding: 3px 10px; font-weight: 500; }
        .tags-pill { display: inline-block; background: #EDF2F7; border-radius: 999px; font-size: 13px; padding: 5px 12px; color: var(--muted); transition: 0.2s; }
        .tags-pill:hover { background: var(--primary-light); color: var(--primary); }

        /* Footer */
        .footer-bg { background: var(--dark); color: var(--dark-text); }
        .footer-link { color: var(--dark-text); transition: color 0.2s; }
        .footer-link:hover { color: #FFFFFF; }
        .footer-heading { font-size: 15px; color: #FFFFFF; font-weight: 600; margin-bottom: 12px; }

        .cta-band {
            background: var(--dark);
        }
        .cta-band-card { border-radius: 24px; background: linear-gradient(105deg, #0d3761 0%, #0C2D54 60%, #164277 100%); padding: 40px 56px; position: relative; overflow: hidden; }
        .backdrop-cta { position: absolute; top: 0; right: 0; bottom: 0; width: 42%; opacity: 0.1; background-image: url('/assets/images/backpic/back-2.webp'); background-size: cover; }
        .scroll-mt { scroll-margin-top: 40px; }

        .clamp-2 { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
        .clamp-3 { display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }

        /* mobile drawer for app shell*/
        @media (max-width: 1023px) {
            .sidebar { transform: translateX(-100%); transition: transform 0.3s ease; width: 280px; box-shadow: 0 12px 48px rgba(16, 42, 67, 0.25); }
            .sidebar.open { transform: translateX(0); }
            .mobile-topbar {
                display: flex; align-items: center; height: 60px; padding: 0 16px; background: #fff;
                border-bottom: 1px solid var(--border); width: 100%; position: sticky; top: 0; z-index: 55;
            }
            .mobile-topbar .top-title { font-weight: 700; color: var(--heading); font-size: 16px; flex: 1; text-align: left; margin-left: 4px; }
            .main-content { margin-left: 0; }
            .app-backdrop.open { position: fixed; inset: 0; background: rgba(16, 42, 67, 0.5); z-index: 58; }
        }

        @media (max-width: 768px) {
            .btn { height: 44px; padding: 0 16px; font-size: 14px; }
            .section-padding { padding: 48px 0; }
            .cta-band-card { padding: 32px 20px; }
        }
        @media (max-width: 520px) {
            .container-custom { padding-left: 4px; padding-right: 4px; }
        }

        /* tablet scrollable table compare */
        .compare-scroll-x { overflow-x: auto; scrollbar-width: thin; }
        .table-min { min-width: 240px; }
        @media (max-width: 1024px) {
            .hide-tablet-column { display: none; }
        }

        .side-status-card { display: flex; align-items: center; gap: 10px; padding: 12px; border-radius: 12px; border: 1px dashed var(--border); margin-top: 12px; }
        .pulse-dot { width: 8px; height: 8px; background: var(--success); border-radius: 50%; flex-shrink: 0; }
        .divider { border-top: 1px solid var(--border); margin: 20px 0; }

        .breadcrumb a{color: var(--muted);font-size:13px;}
        .breadcrumb a:hover{color:var(--primary)}
        .card-read-link { transition: all 0.2s;}
        .card-read-link:hover { color: var(--primary); }

        .empty-state { height: 120px; border-radius: 14px; border: 1px dashed #B8CFE3; background: #F9FBFD; }
        
        @media (max-width: 768px) {
            .hero-action-flex { display:flex; flex-direction: column; align-items: stretch; gap:10px; width:100%;}
        }

/* roulang page: category1 */
:root {
        --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", sans-serif;
        --page-bg: #F2EDE3;
        --card-bg: #FFFDF7;
        --card-deep: #FBF6EB;
        --line: #DDD2BE;
        --line-strong: #B7A98C;
        --ink: #233844;
        --body: #52626B;
        --muted: #7B817D;
        --brand: #315E6E;
        --brand-hover: #244A58;
        --brand-soft: #E2EEF0;
        --brand-faint: #F1F7F5;
        --dark-deep: #24343B;
        --dark-text: #A7C0C9;
        --gold: #B8893E;
        --gold-hover: #956823;
        --gold-soft: #F0E3C8;
        --success: #2F8F5B;
        --radius-lg: 16px;
        --radius-md: 10px;
        --radius-sm: 8px;
        --shadow-sm: 3px 3px 0 rgba(35, 56, 68, .07);
        --shadow-md: 4px 5px 0 rgba(35, 56, 68, .1);
        --container-pad: clamp(16px, 4vw, 40px);
    }

    * {
        box-sizing: border-box;
        margin: 0;
        padding: 0;
    }

    html {
        scroll-behavior: smooth;
    }

    body {
        font-family: var(--font-sans);
        background: var(--page-bg);
        color: var(--body);
        line-height: 1.75;
        min-height: 100vh;
        -webkit-font-smoothing: antialiased;
    }

    img {
        display: block;
        max-width: 100%;
    }

    a {
        color: var(--brand);
        text-decoration: none;
        transition: color .2s ease, background .2s ease, border-color .2s ease;
    }

    a:hover {
        color: var(--brand-hover);
    }

    button,
    input {
        font-family: inherit;
    }

    /* App Shell */
    .app-shell {
        display: flex;
        min-height: 100vh;
    }

    .app-sidebar {
        width: 252px;
        flex: 0 0 252px;
        position: fixed;
        top: 0;
        left: 0;
        bottom: 0;
        background: var(--card-bg);
        border-right: 1px solid var(--line);
        display: flex;
        flex-direction: column;
        z-index: 80;
        padding: 0 14px;
    }

    .brand-box {
        height: 84px;
        display: flex;
        align-items: center;
        gap: 12px;
        padding: 0 10px;
        border-bottom: 1px dashed var(--line);
    }

    .brand-mark {
        width: 40px;
        height: 40px;
        background: var(--brand);
        border-radius: 11px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        color: #F7F2E7;
        font-weight: 700;
        font-size: 18px;
        letter-spacing: -.01em;
        box-shadow: 2px 2px 0 rgba(49, 94, 110, .24);
        flex: 0 0 40px;
    }

    .brand-name-main {
        color: var(--ink);
        font-weight: 700;
        font-size: 16px;
        line-height: 1.25;
        letter-spacing: .01em;
    }

    .brand-name-sub {
        color: var(--muted);
        font-size: 12px;
        line-height: 1.35;
    }

    .sidebar-nav {
        padding: 18px 0 12px;
        flex: 1;
        overflow-y: auto;
    }

    .nav-group-title {
        font-size: 12px;
        color: #9B978D;
        letter-spacing: .06em;
        padding: 0 10px;
        margin: 16px 0 6px;
    }

    .nav-group-title:first-child {
        margin-top: 0;
    }

    .nav-item {
        width: 100%;
        min-height: 44px;
        padding: 10px 12px;
        border-radius: 10px;
        font-size: 15px;
        font-weight: 500;
        display: flex;
        align-items: center;
        gap: 12px;
        color: var(--body);
        border: 1px solid transparent;
        position: relative;
        transition: background .18s ease, border-color .18s ease, color .18s ease;
    }

    .nav-item i {
        width: 21px;
        text-align: center;
        color: #6F7E77;
    }

    .nav-item:hover {
        background: var(--brand-faint);
        color: var(--brand);
        border-color: #E0E8E4;
    }

    .nav-item.active {
        background: var(--brand-soft);
        color: var(--brand);
        font-weight: 600;
        border-color: #D0DFE1;
    }

    .nav-item.active i {
        color: var(--brand);
    }

    .nav-item.active::before {
        content: "";
        position: absolute;
        left: -14px;
        top: 10px;
        bottom: 10px;
        width: 4px;
        background: var(--brand);
        border-radius: 0 4px 4px 0;
    }

    .side-user-card {
        margin-top: auto;
        background: var(--brand-faint);
        border: 1px solid #D5E2DE;
        border-radius: 14px;
        padding: 14px;
        margin-bottom: 16px;
    }

    .side-user-card .side-user-name {
        font-weight: 600;
        color: var(--ink);
        font-size: 13px;
    }

    .side-user-card .side-user-desc {
        color: var(--muted);
        font-size: 12px;
        line-height: 1.5;
        margin: 4px 0 9px;
    }

    .side-login-btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 7px;
        background: var(--brand);
        color: #F9FAF8;
        border-radius: 8px;
        height: 36px;
        padding: 0 12px;
        font-size: 13px;
        font-weight: 600;
        border: 1px solid var(--brand);
        transition: background .2s ease, transform .15s ease, box-shadow .2s ease;
        box-shadow: 2px 2px 0 rgba(49, 94, 110, .25);
    }

    .side-login-btn:hover {
        background: var(--brand-hover);
        border-color: var(--brand-hover);
        color: #fff;
        transform: translateY(-1px);
    }

    /* Main */
    .app-main {
        flex: 1;
        margin-left: 252px;
        min-width: 0;
        display: flex;
        flex-direction: column;
    }

    .mobile-header {
        display: none;
        height: 62px;
        background: var(--card-bg);
        border-bottom: 1px solid var(--line);
        padding: 0 16px;
        align-items: center;
        justify-content: space-between;
        position: sticky;
        top: 0;
        z-index: 70;
    }

    .menu-burger {
        width: 42px;
        height: 42px;
        border: 1px solid var(--line);
        border-radius: 9px;
        background: var(--card-bg);
        color: var(--ink);
        display: inline-flex;
        align-items: center;
        justify-content: center;
        font-size: 17px;
        cursor: pointer;
        transition: border-color .2s ease, background .2s ease;
    }

    .menu-burger:hover {
        border-color: var(--brand);
        background: var(--brand-faint);
    }

    .mobile-brand {
        font-weight: 700;
        color: var(--ink);
        font-size: 16px;
    }

    .mobile-login-btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        height: 38px;
        padding: 0 14px;
        background: var(--brand);
        color: #fff;
        border-radius: 8px;
        font-size: 13px;
        font-weight: 600;
        gap: 6px;
        box-shadow: 2px 2px 0 rgba(49, 94, 110, .2);
    }

    .mobile-login-btn:hover {
        background: var(--brand-hover);
        color: #fff;
    }

    .drawer-mask {
        position: fixed;
        inset: 0;
        background: rgba(28, 38, 42, .46);
        z-index: 90;
        opacity: 0;
        visibility: hidden;
        transition: opacity .22s ease, visibility .22s ease;
    }

    .drawer-mask.open {
        opacity: 1;
        visibility: visible;
    }

    .drawer-panel {
        position: fixed;
        top: 0;
        left: -280px;
        bottom: 0;
        width: 280px;
        background: var(--card-bg);
        z-index: 95;
        border-right: 1px solid var(--line);
        padding: 0 14px;
        overflow-y: auto;
        transition: left .26s ease;
    }

    .drawer-panel.open {
        left: 0;
    }

    /* Layout helpers */
    .container-custom {
        width: 100%;
        max-width: 1240px;
        margin: 0 auto;
        padding-left: max(24px, calc((100% - 1180px) / 2 + 32px));
        padding-right: max(24px, calc((100% - 1180px) / 2 + 32px));
    }

    .section-pad {
        padding-top: clamp(56px, 8vw, 84px);
        padding-bottom: clamp(56px, 8vw, 84px);
    }

    .section-pad-sm {
        padding-top: clamp(40px, 5vw, 60px);
        padding-bottom: clamp(40px, 5vw, 60px);
    }

    .eyebrow {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background: var(--gold-soft);
        color: #7B5D1B;
        border: 1px solid #DCC085;
        border-radius: 999px;
        font-size: 13px;
        font-weight: 600;
        padding: 5px 13px;
        letter-spacing: .02em;
    }

    .section-title {
        color: var(--ink);
        font-size: clamp(24px, 2.8vw, 34px);
        line-height: 1.3;
        font-weight: 700;
        letter-spacing: .01em;
    }

    .section-sub {
        color: var(--body);
        font-size: 16px;
        margin-top: 10px;
        max-width: 640px;
    }

    .btn-primary {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 9px;
        background: var(--brand);
        color: #fff;
        font-size: 15px;
        font-weight: 600;
        border: 1px solid var(--brand);
        padding: 0 20px;
        min-height: 46px;
        border-radius: 9px;
        box-shadow: 3px 3px 0 rgba(49, 94, 110, .24);
        transition: background .2s ease, transform .16s ease, box-shadow .2s ease, border-color .2s ease;
        cursor: pointer;
    }

    .btn-primary:hover {
        background: var(--brand-hover);
        border-color: var(--brand-hover);
        color: #fff;
        box-shadow: 4px 4px 0 rgba(49, 94, 110, .22);
        transform: translateY(-1px);
    }

    .btn-primary:active {
        transform: translateY(1px);
        box-shadow: 2px 2px 0 rgba(49, 94, 110, .22);
    }

    .btn-outline {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 9px;
        background: transparent;
        color: var(--brand);
        font-size: 15px;
        font-weight: 600;
        border: 1px solid #BDCFD2;
        min-height: 46px;
        padding: 0 20px;
        border-radius: 9px;
        transition: background .2s ease, border-color .2s ease, color .2s ease, transform .16s ease;
    }

    .btn-outline:hover {
        border-color: var(--brand);
        background: var(--brand-faint);
        color: var(--brand-hover);
        transform: translateY(-1px);
    }

    .btn-outline:active {
        transform: translateY(1px);
    }

    .btn-gold {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        background: var(--gold);
        border: 1px solid var(--gold);
        color: #283226;
        font-size: 15px;
        font-weight: 700;
        padding: 0 18px;
        min-height: 44px;
        border-radius: 9px;
        transition: background .2s ease, transform .16s ease, box-shadow .2s ease;
        box-shadow: 2px 2px 0 rgba(184, 137, 62, .25);
    }

    .btn-gold:hover {
        background: var(--gold-hover);
        border-color: var(--gold-hover);
        color: #fff;
        transform: translateY(-1px);
    }

    /* Card */
    .card {
        background: var(--card-bg);
        border: 1px solid var(--line);
        border-radius: var(--radius-lg);
        box-shadow: var(--shadow-sm);
        transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }

    .card-hover:hover {
        transform: translateY(-3px);
        box-shadow: 0 2px 4px rgba(35, 56, 68, .08), 0 18px 30px -14px rgba(35, 56, 68, .18);
        border-color: var(--line-strong);
    }

    /* Inpage hero */
    .inpage-hero {
        position: relative;
        background: var(--card-bg);
        border-bottom: 1px solid var(--line);
        overflow: hidden;
    }

    .inpage-hero::before {
        content: "";
        position: absolute;
        inset: 0;
        background-image: url('/assets/images/backpic/back-1.webp');
        background-position: center 40%;
        background-size: cover;
        background-repeat: no-repeat;
        opacity: .22;
    }

    .inpage-hero::after {
        content: "";
        position: absolute;
        inset: 0;
        background: linear-gradient(90deg, rgba(255, 253, 247, .96) 0%, rgba(255, 253, 247, .83) 48%, rgba(255, 253, 247, .6) 100%);
    }

    .inpage-hero-inner {
        position: relative;
        z-index: 2;
        display: flex;
        align-items: center;
        gap: 24px;
        padding-top: clamp(48px, 7vw, 82px);
        padding-bottom: clamp(48px, 7vw, 82px);
    }

    .hero-h1 {
        color: var(--ink);
        font-size: clamp(30px, 3.6vw, 46px);
        line-height: 1.15;
        font-weight: 700;
        letter-spacing: .01em;
        margin-top: 18px;
        max-width: 12em;
    }

    .hero-h1 span {
        color: var(--brand);
    }

    .hero-desc {
        color: var(--body);
        font-size: 16px;
        max-width: 560px;
        margin: 20px 0 0;
    }

    .hero-actions {
        margin-top: 28px;
        display: flex;
        flex-wrap: wrap;
        gap: 12px;
    }

    .hero-note {
        margin-top: 22px;
        display: flex;
        align-items: center;
        flex-wrap: wrap;
        gap: 16px;
        color: var(--muted);
        font-size: 13px;
    }

    .hero-note i {
        color: var(--success);
    }

    /* stats strip */
    .stat-strip {
        border-top: 1px solid var(--line);
        background: var(--card-deep);
    }

    .stat-strip-inner {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 1px;
        background: var(--line);
    }

    .stat-item {
        background: var(--card-deep);
        padding: 20px;
        display: flex;
        align-items: center;
        gap: 10px;
        font-weight: 500;
        color: var(--ink);
        font-size: 14px;
        min-height: 60px;
    }

    .stat-item i {
        color: var(--brand);
        font-size: 19px;
    }

    /* Steps */
    .steps-wrap {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
    }

    .step-card {
        background: var(--card-bg);
        border: 1px solid var(--line);
        border-radius: 14px;
        padding: 24px;
        position: relative;
        box-shadow: var(--shadow-sm);
    }

    .step-num {
        width: 34px;
        height: 34px;
        background: var(--brand-soft);
        border: 1px solid #CDDEE0;
        border-radius: 8px;
        color: var(--brand);
        font-weight: 700;
        font-size: 15px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }

    .step-card h3 {
        color: var(--ink);
        font-size: 17px;
        margin: 14px 0 8px;
        font-weight: 650;
    }

    .step-card p {
        color: var(--body);
        font-size: 14px;
        line-height: 1.65;
    }

    /* scene split */
    .split-media {
        border: 1px solid var(--line);
        border-radius: var(--radius-lg);
        box-shadow: 5px 5px 0 var(--line);
        background: var(--card-deep);
        overflow: hidden;
    }

    .split-media img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }

    .scene-list {
        display: flex;
        flex-direction: column;
        gap: 16px;
    }

    .scene-item {
        display: flex;
        gap: 12px;
        background: var(--card-bg);
        border: 1px solid var(--line);
        border-radius: 12px;
        padding: 15px 16px;
        align-items: flex-start;
        box-shadow: 2px 2px 0 rgba(35, 56, 68, .05);
    }

    .scene-icon {
        width: 34px;
        height: 34px;
        flex: 0 0 34px;
        border-radius: 8px;
        background: var(--gold-soft);
        color: #7B5D1B;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        font-size: 15px;
        border: 1px solid #E0C890;
    }

    .scene-body {
        min-width: 0;
    }

    .scene-body strong {
        display: block;
        color: var(--ink);
        font-size: 15px;
        font-weight: 600;
    }

    .scene-body span {
        color: var(--muted);
        font-size: 13px;
        line-height: 1.6;
    }

    /* Pricing table */
    .pricing-table-card {
        background: var(--card-bg);
        border: 1px solid var(--line);
        border-radius: var(--radius-lg);
        box-shadow: var(--shadow-md);
        overflow-x: auto;
        padding: 10px 10px 12px;
    }

    .pricing-table {
        width: 100%;
        min-width: 720px;
        border-collapse: collapse;
    }

    .pricing-table th,
    .pricing-table td {
        padding: 16px 20px;
        text-align: left;
        border-bottom: 1px solid #EDE6D8;
        font-size: 14px;
        line-height: 1.6;
    }

    .pricing-table thead th {
        background: var(--brand);
        color: #F2F7F5;
        font-weight: 600;
        font-size: 15px;
        border-bottom: none;
    }

    .pricing-table thead th:first-child {
        border-radius: 12px 0 0 0;
    }

    .pricing-table thead th:last-child {
        border-radius: 0 12px 0 0;
    }

    .pricing-table thead th.premium-top {
        background: var(--gold);
        color: #2F2A1D;
    }

    .pricing-table tbody tr:last-child td {
        border-bottom: none;
    }

    .pricing-table tbody tr:hover td {
        background: #FAF7EE;
    }

    .plan-badge {
        display: inline-flex;
        align-items: center;
        padding: 4px 10px;
        border-radius: 999px;
        font-size: 12px;
        font-weight: 600;
        gap: 5px;
        margin-bottom: 6px;
    }

    .plan-badge-common {
        background: var(--brand-soft);
        color: var(--brand);
        border: 1px solid #C7D8D8;
    }

    .plan-badge-vip {
        background: var(--gold-soft);
        color: #7B5D1B;
        border: 1px solid #DCC085;
    }

    .premium-cta a.btn-gold {
        font-size: 13px;
        min-height: 38px;
        padding: 0 12px;
    }

    /* content preview cards */
    .offer-cards {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
    }

    .offer-card .offer-img {
        aspect-ratio: 16 / 9;
        background: #E6E1D6;
        overflow: hidden;
        border-radius: 12px 12px 0 0;
    }

    .offer-card .offer-img img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }

    .offer-body {
        padding: 18px 18px 20px;
    }

    .offer-body .offer-tag {
        display: inline-flex;
        align-items: center;
        font-size: 12px;
        color: var(--brand);
        background: var(--brand-soft);
        padding: 3px 10px;
        border-radius: 999px;
    }

    .offer-body h3 {
        font-size: 17px;
        color: var(--ink);
        font-weight: 650;
        margin: 10px 0 6px;
        line-height: 1.4;
    }

    .offer-body p {
        color: var(--muted);
        font-size: 13px;
        line-height: 1.6;
    }

    /* FAQ */
    .faq-item {
        background: var(--card-bg);
        border: 1px solid var(--line);
        border-radius: 12px;
        margin-bottom: 12px;
        box-shadow: 2px 2px 0 rgba(35, 56, 68, .04);
    }

    .faq-item details {
        border-radius: 12px;
    }

    .faq-item summary {
        cursor: pointer;
        list-style: none;
        display: flex;
        align-items: flex-start;
        gap: 12px;
        padding: 16px 18px;
        font-weight: 600;
        color: var(--ink);
        font-size: 15px;
        line-height: 1.5;
    }

    .faq-item summary::-webkit-details-marker {
        display: none;
    }

    .faq-item .faq-icon {
        flex: 0 0 26px;
        width: 26px;
        height: 26px;
        border-radius: 7px;
        border: 1px solid var(--line-strong);
        background: #F3EDE0;
        color: var(--muted);
        display: inline-flex;
        align-items: center;
        justify-content: center;
        font-size: 12px;
        transition: transform .2s ease, background .2s ease, color .2s ease;
    }

    .faq-item[open] .faq-icon {
        transform: rotate(45deg);
        background: var(--brand-soft);
        border-color: var(--brand);
        color: var(--brand);
    }

    .faq-answer {
        padding: 0 18px 17px 56px;
        color: var(--body);
        font-size: 14px;
        line-height: 1.7;
    }

    .faq-help {
        border: 1px dashed var(--line-strong);
        background: var(--card-deep);
        border-radius: 14px;
        padding: 24px;
    }

    .faq-help i {
        color: var(--brand);
    }

    .faq-help .contact-email {
        font-weight: 600;
        color: var(--brand);
    }

    /* CTA band */
    .cta-band {
        background: var(--dark-deep);
        border-radius: 20px;
        color: #F3F7F4;
        overflow: hidden;
        position: relative;
        box-shadow: 7px 7px 0 rgba(35, 56, 68, .12);
        padding: clamp(30px, 5vw, 54px);
    }

    .cta-band::after {
        content: "";
        position: absolute;
        right: -80px;
        top: -50px;
        width: 260px;
        height: 260px;
        background: radial-gradient(circle at left top, rgba(222, 195, 132, .16), transparent 70%);
        pointer-events: none;
    }

    .cta-band .btn-primary {
        box-shadow: 3px 3px 0 rgba(255, 255, 255, .16);
    }

    .cta-band .btn-light-outline {
        display: inline-flex;
        min-height: 46px;
        align-items: center;
        justify-content: center;
        gap: 9px;
        padding: 0 20px;
        border: 1px solid rgba(255, 255, 255, .55);
        border-radius: 9px;
        color: #EAF1EF;
        font-weight: 600;
        font-size: 15px;
        background: transparent;
        transition: background .2s ease, border-color .2s ease, color .2s ease, transform .16s ease;
    }

    .cta-band .btn-light-outline:hover {
        background: rgba(255, 255, 255, .1);
        border-color: #fff;
        color: #fff;
        transform: translateY(-1px);
    }

    /* footer */
    .footer-bg {
        background: var(--dark-deep);
        color: var(--dark-text);
        margin-top: clamp(48px, 7vw, 72px);
    }

    .footer-heading {
        font-size: 14px;
        color: #DDE8E6;
        font-weight: 600;
        margin-bottom: 14px;
        letter-spacing: .03em;
    }

    .footer-link {
        color: var(--dark-text);
        font-size: 14px;
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 3px 0;
        transition: color .2s ease, transform .2s ease;
    }

    .footer-link i {
        font-size: 12px;
        opacity: .7;
    }

    .footer-link:hover {
        color: #F6F8F6;
        transform: translateX(2px);
    }

    .footer-bottom {
        border-top: 1px solid rgba(168, 199, 224, .14);
        padding: 16px 0 24px;
        color: #8DA6AE;
        font-size: 13px;
    }

    /* toast back top? skip */

    .badge-gold {
        background: var(--gold-soft);
        color: #7B5D1B;
        border: 1px solid #E3C78A;
    }

    .icon-bg-blue {
        background: var(--brand-soft);
        color: var(--brand);
    }

/* roulang page: article */
:root{
  --bg:#F6F9FD;
  --card-bg:#FFFFFF;
  --brand:#1565C0;
  --brand-hover:#0F4A92;
  --brand-soft:#EAF2FB;
  --brand-softer:#F3F8FD;
  --title:#102A43;
  --text:#334E68;
  --muted:#627D98;
  --line:#E1EAF3;
  --dark:#0C2D54;
  --dark-text:#A8C7E0;
  --gold:#D9A441;
  --gold-hover:#BB8630;
  --success:#2F8F5B;
  --radius-card:16px;
  --radius-box:10px;
  --radius-btn:8px;
  --shadow-card:0 1px 2px rgba(16,42,67,.04), 0 16px 40px -20px rgba(16,42,67,.14);
  --shadow-hover:0 2px 4px rgba(16,42,67,.06), 0 24px 48px -16px rgba(16,42,67,.22);
  --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);
  background:var(--bg);
  color:var(--text);
  font-size:15px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font-family:inherit;cursor:pointer}
input,textarea{font-family:inherit}
.app-shell{display:flex;min-height:100vh;width:100%}
.app-sidebar{
  position:sticky;top:0;height:100vh;flex:0 0 260px;width:260px;
  background:var(--card-bg);border-right:1px solid var(--line);
  display:flex;flex-direction:column;z-index:60;
}
.brand-logo{
  height:76px;display:flex;align-items:center;gap:10px;padding:14px 22px;
  border-bottom:1px solid var(--line);flex:none;
}
.brand-mark{
  width:40px;height:40px;border-radius:12px;background:var(--brand);
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:17px;letter-spacing:.5px;box-shadow:0 8px 18px -8px rgba(21,101,192,.65);
}
.brand-name{font-size:17px;font-weight:800;color:var(--title);line-height:1.3;white-space:nowrap}
.brand-tag{display:block;font-size:11px;font-weight:400;color:var(--muted);letter-spacing:.4px;margin-top:2px}
.sidebar-scroll{flex:1;overflow-y:auto;padding:16px 14px 24px}
.sidebar-nav{display:flex;flex-direction:column;gap:4px}
.nav-group-title{font-size:12px;color:var(--muted);margin:18px 10px 8px;letter-spacing:.7px;font-weight:600}
.sidebar-nav .nav-item{
  display:flex;align-items:center;gap:12px;height:44px;padding:0 12px;
  border-radius:10px;color:var(--text);font-size:15px;font-weight:500;
  transition:background .2s ease,color .2s ease,transform .15s ease;
}
.sidebar-nav .nav-item i{width:20px;text-align:center;font-size:15px;color:var(--muted)}
.sidebar-nav .nav-item:hover{background:var(--brand-softer);color:var(--brand);transform:translateY(-1px)}
.sidebar-nav .nav-item:hover i{color:var(--brand)}
.sidebar-nav .nav-item.active{
  background:var(--brand-soft);color:var(--brand);font-weight:600;box-shadow:inset 3px 0 0 var(--brand);
}
.sidebar-nav .nav-item.active i{color:var(--brand)}
.sidebar-nav .nav-item:focus-visible,.footer-link:focus-visible,.btn:focus-visible{
  outline:3px solid var(--brand-soft);outline-offset:2px
}
.side-user-card{
  margin:18px 6px 0;background:#F8FBFE;border:1px solid var(--line);
  border-radius:14px;padding:16px;display:flex;flex-direction:column;gap:9px;
}
.side-user-title{display:flex;align-items:center;gap:8px;font-weight:700;color:var(--title);font-size:14px}
.side-user-title i{color:var(--gold);font-size:18px}
.side-user-text{font-size:12px;color:var(--muted);line-height:1.7}
.side-user-link{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;margin-top:4px;
  height:38px;border-radius:8px;background:var(--brand);color:#fff;font-size:13px;font-weight:600;
  transition:background .2s ease,box-shadow .2s ease;
}
.side-user-link:hover{background:var(--brand-hover);box-shadow:0 14px 22px -10px rgba(21,101,192,.45)}
.side-user-link.gold{background:var(--gold);color:#102A43}
.side-user-link.gold:hover{background:var(--gold-hover);color:#fff}

.main-area{flex:1;min-width:0;display:flex;flex-direction:column}
.main-content{flex:1;padding:32px 28px 56px;max-width:1200px;width:100%;margin:0 auto}
.mobile-header{
  display:none;height:60px;background:#fff;border-bottom:1px solid var(--line);
  align-items:center;justify-content:space-between;padding:0 16px;
  position:sticky;top:0;z-index:80;
}
.mobile-brand{display:flex;align-items:center;gap:8px}
.mobile-brand .brand-mark{width:32px;height:32px;font-size:14px;border-radius:9px}
.mobile-brand .brand-name{font-size:16px}
.mobile-login-btn{
  height:38px;padding:0 16px;border-radius:8px;background:var(--brand);color:#fff;
  font-size:13px;font-weight:600;display:inline-flex;align-items:center;gap:5px;
  transition:background .2s ease;
}
.mobile-login-btn:hover{background:var(--brand-hover)}
.menu-btn{
  width:42px;height:42px;border:1px solid var(--line);background:#fff;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;color:var(--title);font-size:18px;
  transition:background .2s ease,border .2s ease;
}
.menu-btn:hover{background:var(--brand-softer)}
.drawer-backdrop{position:fixed;inset:0;background:rgba(16,42,67,.5);z-index:120;opacity:0;visibility:hidden;transition:.25s}
.drawer-backdrop.open{opacity:1;visibility:visible}
.mobile-drawer{
  position:fixed;top:0;left:0;bottom:0;width:300px;max-width:86vw;background:#fff;z-index:130;
  transform:translateX(-105%);transition:transform .28s ease;display:flex;flex-direction:column;
  box-shadow:18px 0 40px -24px rgba(16,42,67,.25);
}
.mobile-drawer.open{transform:translateX(0)}
.drawer-brand{height:72px;display:flex;align-items:center;gap:8px;border-bottom:1px solid var(--line);padding:0 18px}
.drawer-nav{padding:10px 16px 18px;overflow-y:auto}

.container-custom{max-width:1180px;margin:0 auto;padding-left:32px;padding-right:32px}
.breadcrumb{
  font-size:13px;color:var(--muted);
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  margin-bottom:24px;line-height:1.6;
}
.breadcrumb a{color:var(--muted);transition:color .2s ease}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{color:#B8CFE3}
.breadcrumb .current{color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:340px}

.article-shell{max-width:920px;margin:0 auto}
.article-card{
  background:var(--card-bg);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);overflow:hidden;padding:clamp(24px,5vw,56px);
}
.article-category{
  display:inline-flex;align-items:center;gap:6px;margin-bottom:18px;
  padding:6px 14px;border-radius:999px;background:var(--brand-soft);color:var(--brand);
  font-size:13px;font-weight:600;
}
.article-h1{
  color:var(--title);font-size:clamp(26px,3vw,38px);line-height:1.32;font-weight:800;
  margin-bottom:20px;letter-spacing:-.2px;
}
.article-meta{
  display:flex;align-items:center;gap:18px;flex-wrap:wrap;padding-bottom:22px;
  border-bottom:1px solid var(--line);margin-bottom:30px;font-size:13px;color:var(--muted);
}
.article-meta span{display:inline-flex;align-items:center;gap:6px}
.article-meta i{color:var(--brand)}
.article-thumb{border-radius:14px;overflow:hidden;margin-bottom:28px;background:var(--brand-softer)}
.cms-content{max-width:740px;margin:0 auto;font-size:16px;line-height:1.9;color:#2c3a4c}
.cms-content>p{margin:1.25em 0}
.cms-content h2{font-size:23px;line-height:1.4;color:var(--title);margin:1.8em 0 .6em;font-weight:800}
.cms-content h3{font-size:19px;line-height:1.4;color:var(--title);margin:1.6em 0 .55em;font-weight:700}
.cms-content h4{font-size:16px;color:var(--title);margin:1.4em 0 .4em;font-weight:700}
.cms-content ul,.cms-content ol{margin:1.2em 0;padding-left:1.5em}
.cms-content li{margin:.45em 0}
.cms-content ul li::marker{color:var(--brand)}
.cms-content blockquote{
  margin:1.8em 0;padding:16px 22px;border-left:4px solid var(--brand);
  background:var(--brand-softer);border-radius:0 12px 12px 0;color:var(--title);
  font-size:15px;
}
.cms-content .wp-block-quote p{margin:0}
.cms-content table{width:100%;border-collapse:separate;border-spacing:0;margin:1.8em 0;font-size:14px}
.cms-content th{background:var(--brand-soft);color:var(--title);font-weight:700;padding:12px;border:1px solid var(--line)}
.cms-content td{padding:12px;border:1px solid var(--line);background:#fff}
.cms-content img{border-radius:12px;margin:1.5em 0}
.cms-content a{color:var(--brand);border-bottom:1px solid rgba(21,101,192,.3);transition:border .2s}
.cms-content a:hover{border-bottom-color:var(--brand)}
.cms-content code{background:var(--brand-softer);padding:.15em .5em;border-radius:6px;font-size:.92em}
.article-bottom-tags{
  display:flex;flex-wrap:wrap;gap:8px;padding-top:28px;margin-top:34px;
  border-top:1px solid var(--line);
}
.tag-pill{
  display:inline-flex;align-items:center;gap:6px;height:32px;padding:0 14px;
  border-radius:999px;background:var(--brand-softer);border:1px solid var(--line);
  font-size:13px;color:var(--muted);transition:.2s;
}
.tag-pill:hover{background:var(--brand-soft);color:var(--brand);border-color:transparent}

.empty-article{
  text-align:center;padding:64px 24px 72px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-card);box-shadow:var(--shadow-card);
}
.empty-article i{font-size:34px;color:#B8CFE3;margin-bottom:16px}
.empty-article .empty-title{font-size:22px;font-weight:800;color:var(--title);margin-bottom:10px}
.empty-article p{color:var(--muted);margin-bottom:22px}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:7px;
  height:44px;padding:0 24px;border-radius:var(--radius-btn);font-size:15px;font-weight:600;
  border:1px solid transparent;text-align:center;min-width:44px;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-hover);box-shadow:0 12px 24px -10px rgba(21,101,192,.5);transform:translateY(-1px)}
.btn-primary:active,.btn-secondary:active,.btn-gold:active{transform:translateY(1px)}
.btn-secondary{background:#fff;border-color:#C2D9EC;color:var(--brand)}
.btn-secondary:hover{border-color:var(--brand);background:var(--brand-softer);box-shadow:0 12px 22px -14px rgba(21,101,192,.32)}
.btn-gold{background:var(--gold);border-color:var(--gold);color:#102A43}
.btn-gold:hover{background:var(--gold-hover);border-color:var(--gold-hover);color:#fff;box-shadow:0 12px 24px -10px rgba(217,164,65,.55)}
.text-btn{height:40px;padding:0 12px;background:transparent;border:0;color:var(--brand);font-weight:600}
.text-btn:hover{text-decoration:underline}

.article-category-nav{max-width:920px;margin:60px auto 0}
.related-card{
  display:flex;flex-direction:column;justify-content:flex-start;gap:10px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px;box-shadow:var(--shadow-card);transition:.25s;height:100%;
}
.related-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#BFD6EC}
.related-card h3{font-size:17px;color:var(--title);font-weight:700;display:flex;align-items:center;gap:8px}
.related-card h3 i{color:var(--brand)}
.related-card p{font-size:14px;color:var(--muted);margin:0}
.related-card .related-link{
  margin-top:auto;color:var(--brand);font-size:14px;font-weight:600;
  display:inline-flex;align-items:center;gap:6px;
}
.related-card .related-link i{transition:transform .2s}
.related-card:hover .related-link i{transform:translateX(4px)}
.related-arrow{color:var(--brand)}

.cta-vip-section{
  margin:64px 0 28px;position:relative;overflow:hidden;
  background:linear-gradient(120deg,rgba(12,45,84,.97),rgba(20,65,112,.93)),url('/assets/images/backpic/back-1.webp') center/cover;
  border-radius:22px;padding:clamp(38px,6vw,64px) clamp(24px,5vw,56px);color:#fff;
  display:flex;align-items:center;gap:40px;flex-wrap:wrap;
}
.cta-vip-section .cta-content{flex:2 1 340px}
.cta-kicker{display:inline-flex;color:var(--gold);font-size:13px;font-weight:700;letter-spacing:.3px;margin-bottom:12px}
.cta-vip-section h2{color:#fff;font-size:clamp(24px,3vw,36px);font-weight:800;line-height:1.34;margin-bottom:14px}
.cta-vip-section p{color:var(--dark-text);font-size:15px;max-width:620px;margin-bottom:24px}
.cta-btns{display:flex;gap:12px;flex-wrap:wrap}

.section-faq{
  max-width:920px;margin:56px auto 0;
}
.faq-header{display:flex;flex-direction:column;padding-bottom:22px;gap:10px}
.faq-header .eyebrow{color:var(--brand);font-weight:700;font-size:13px;letter-spacing:.4px}
.faq-header h2{color:var(--title);font-size:clamp(23px,2.6vw,30px);font-weight:800}
.faq-wrap{display:grid;grid-template-columns:1fr 1.8fr;gap:28px;align-items:start}
.faq-aside{background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px}
.faq-aside h3{font-size:17px;color:var(--title);font-weight:700;margin-bottom:12px;display:flex;align-items:center;gap:7px}
.faq-aside p{color:var(--muted);font-size:14px;margin-bottom:18px}
.faq-list{display:flex;flex-direction:column;gap:8px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;transition:border-color .2s,box-shadow .2s}
.faq-item.open{border-color:#BFD6EC;box-shadow:0 14px 30px -18px rgba(16,42,67,.15)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:15px 18px;background:transparent;border:0;color:var(--title);
  font-size:15px;font-weight:600;text-align:left;
}
.faq-q i{color:var(--brand);transition:transform .22s ease;font-size:13px}
.faq-item.open .faq-q i{transform:rotate(180deg)}
.faq-a{display:none;padding:0 18px 16px;color:var(--muted);font-size:14px;line-height:1.75;border-top:1px solid var(--bg)}
.faq-item.open .faq-a{display:block}

.footer-bg{background:var(--dark);color:var(--dark-text);padding-top:48px;margin-top:12px}
.footer-link{color:var(--dark-text);transition:color .2s ease}
.footer-link:hover{color:#fff}
.footer-heading{font-size:14px;color:#D9E9FA;font-weight:700;margin-bottom:12px;letter-spacing:.3px}
.footer-bottom{
  border-top:1px solid rgba(168,199,224,.18);padding:20px 32px;
  display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;
  font-size:13px;color:#90B4D4;max-width:1180px;margin:0 auto;
}
.page-footer-grid{max-width:1180px;margin:0 auto;padding-left:32px;padding-right:32px;display:grid;grid-template-columns:repeat(4,1fr);gap:32px;padding-bottom:32px}
.goto-vip{
  margin-bottom:40px;display:flex;justify-content:center;
}
.goto-vip a{
  display:inline-flex;height:46px;padding:0 22px;align-items:center;gap:8px;
  background:var(--brand);color:#fff;border-radius:10px;font-weight:600;font-size:15px;
  box-shadow:0 14px 30px -12px rgba(21,101,192,.45);transition:.2s;
}
.goto-vip a:hover{background:var(--brand-hover);transform:translateY(-2px)}

@media (max-width:1180px){
  .main-content{padding-left:24px;padding-right:24px}
  .page-footer-grid{grid-template-columns:1fr 1fr;padding-left:24px;padding-right:24px}
}
@media (max-width:1023px){
  .app-sidebar{display:none}
  .mobile-header{display:flex}
  .main-content{padding:24px 18px 56px}
  .faq-wrap{grid-template-columns:1fr}
}
@media (max-width:768px){
  .container-custom{padding-left:18px;padding-right:18px}
  .article-card{padding:24px 20px}
  .article-meta{gap:12px}
  .cta-vip-section{flex-direction:column;gap:18px;border-radius:18px}
  .cta-btns{width:100%}
  .cta-btns .btn{flex:1}
  .page-footer-grid{grid-template-columns:1fr}
  .faq-header .faq-aside{width:100%}
  .breadcrumb .current{max-width:200px}
  .related-card{padding:20px}
}
@media (max-width:520px){
  .mobile-header{padding:0 12px}
  .article-h1{font-size:23px;line-height:1.4}
  .article-meta span{font-size:12px}
  .main-content{padding:18px 14px 48px}
  .cta-vip-section{background-size:cover;padding:30px 20px}
}

/* roulang page: category2 */
:root{
  --bg:#F6F9FD;
  --card:#FFFFFF;
  --brand:#1565C0;
  --brand-hover:#0F4A92;
  --brand-soft:#EAF2FB;
  --brand-pale:#F3F8FD;
  --heading:#102A43;
  --text:#334E68;
  --muted:#627D98;
  --border:#E1EAF3;
  --dark:#0C2D54;
  --dark-text:#A8C7E0;
  --gold:#D9A441;
  --gold-hover:#BB8630;
  --success:#2F8F5B;
  --radius-lg:16px;
  --radius-md:10px;
  --radius-sm:8px;
  --shadow-card:0 1px 2px rgba(16,42,67,.04),0 16px 40px -20px rgba(16,42,67,.14);
  --shadow-hover:0 2px 4px rgba(16,42,67,.06),0 24px 48px -16px rgba(16,42,67,.2);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Segoe UI",sans-serif;background:var(--bg);color:var(--text);font-size:15px;line-height:1.8;-webkit-font-smoothing:antialiased}
a{color:var(--brand);text-decoration:none}
a,button,summary{-webkit-tap-highlight-color:rgba(21,101,192,.12)}
a:hover{color:var(--brand-hover)}
img{max-width:100%;display:block}
button,input{font-family:inherit}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:8px}
.container-custom{width:100%;max-width:1180px;margin:0 auto;padding-left:24px;padding-right:24px}
.main-wrap{margin-left:0;padding-top:62px;min-height:100vh}
.mobile-topbar{position:fixed;top:0;left:0;right:0;height:60px;background:#fff;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 14px;z-index:55}
.topbar-logo{display:flex;align-items:center;gap:9px;font-weight:700;font-size:15px;color:var(--heading)}
.topbar-logo .topbar-mark{width:12px;height:12px;border-radius:3px;background:var(--brand)}
.topbar-mobile-action{border:1px solid var(--border);background:var(--brand-pale);color:var(--brand);padding:6px 12px;border-radius:8px;font-size:12px;font-weight:600}
.topbar-mobile-action:hover{background:var(--brand-soft)}
.sidebar{position:fixed;top:0;left:0;bottom:0;width:258px;background:#fff;border-right:1px solid var(--border);transform:translateX(-102%);transition:transform .25s ease;z-index:90;overflow-y:auto;padding:18px 14px 20px}
body.menu-open .sidebar{transform:translateX(0);box-shadow:18px 0 44px rgba(16,42,67,.14)}
.menu-backdrop{position:fixed;inset:0;background:rgba(16,42,67,.5);z-index:89;display:none;opacity:0;transition:opacity .25s}
body.menu-open .menu-backdrop{display:block;opacity:1}
.brand-row{display:flex;align-items:center;gap:11px;padding:11px 10px 18px;border-bottom:1px solid var(--border)}
.brand-mark{width:38px;height:38px;border-radius:10px;background:var(--brand);color:#fff;display:flex;align-items:center;justify-content:center;font-size:18px;box-shadow:0 6px 12px rgba(21,101,192,.18)}
.brand-text{font-size:15px;font-weight:800;color:var(--heading);line-height:1.3;display:block}
.brand-sub{font-size:11px;color:var(--muted);display:block;letter-spacing:.4px;margin-top:3px}
.sidebar-inner-panel{display:flex;flex-direction:column;gap:4px}
.sidebar-nav{margin-top:12px;display:flex;flex-direction:column;gap:5px}
.nav-group-title{font-size:11px;color:var(--muted);font-weight:600;padding:14px 10px 4px;letter-spacing:.6px}
.nav-item{display:flex;align-items:center;gap:11px;height:44px;padding:0 13px;border-radius:10px;color:var(--text);font-size:15px;font-weight:500;transition:all .18s ease}
.nav-item i{width:18px;text-align:center;color:var(--muted);font-size:14px;transition:color .18s}
.nav-item:hover{background:var(--brand-pale);color:var(--brand-hover)}
.nav-item:hover i{color:var(--brand)}
.nav-item.active{background:var(--brand-soft);color:var(--brand);font-weight:700;border-left:3px solid var(--brand)}
.nav-item.active i{color:var(--brand)}
.sidebar-user-card{margin-top:24px;background:var(--brand-pale);border:1px solid var(--border);border-radius:14px;padding:15px}
.sidebar-user-card p{display:flex;align-items:center;gap:8px;font-size:13px}
.section-block{padding:72px 0}
.section-soft{background:var(--brand-pale);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.eyebrow{display:inline-flex;align-items:center;gap:7px;background:var(--brand-soft);border:1px solid rgba(21,101,192,.14);color:var(--brand);font-size:13px;font-weight:700;padding:5px 13px;border-radius:999px}
.helmet-title{color:var(--heading);font-weight:800;font-size:clamp(26px,3vw,38px);line-height:1.25}
.section-title{color:var(--heading);font-weight:800;font-size:24px;line-height:1.35}
.section-lead{font-size:15px;line-height:1.8;color:var(--muted)}
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-card)}
.card-padding{padding:26px}
.card-hover{transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.card-hover:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#CDDFF0}
.section-anchor{scroll-margin-top:90px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 20px;border-radius:8px;font-size:15px;font-weight:700;border:1px solid transparent;cursor:pointer;transition:all .18s ease;white-space:nowrap}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 6px 14px rgba(21,101,192,.18)}
.btn-primary:hover{background:var(--brand-hover);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(15,74,146,.22)}
.btn-primary:active{transform:translateY(1px)}
.btn-outline{background:#fff;border-color:#C9D9E8;color:var(--brand)}
.btn-outline:hover{border-color:var(--brand);background:var(--brand-pale);color:var(--brand-hover)}
.btn-outline:active{transform:translateY(1px)}
.btn-gold{background:var(--gold);border-color:var(--gold);color:#fff}
.btn-gold:hover{background:var(--gold-hover);border-color:var(--gold-hover);color:#fff;transform:translateY(-1px)}
.btn-gold:active{transform:translateY(1px)}
.btn-sm{padding:0 12px;min-height:36px;font-size:13px}
.breadcrumb{font-size:13px;color:var(--muted);display:flex;flex-wrap:wrap;gap:8px}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--brand)}
.hero-guide{position:relative;background:linear-gradient(125deg,rgba(255,255,255,.94) 0%,rgba(243,248,253,.84) 44%,rgba(253,254,255,.82) 100%),url('/assets/images/backpic/back-1.webp') center right / cover no-repeat;border-bottom:1px solid var(--border)}
.hero-guide-inner{padding:54px 0 62px}
.quick-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:0;background:#fff;border:1px solid var(--border);border-radius:14px;box-shadow:var(--shadow-card);margin-top:36px;overflow:hidden}
.quick-item{padding:18px 20px;display:flex;gap:10px;align-items:center;color:var(--heading);font-size:13px;font-weight:600}
.quick-item+.quick-item{border-left:1px solid var(--border)}
.quick-item i{color:var(--brand);font-size:17px;width:23px;text-align:center}
.step-grid{display:grid;grid-template-columns:1fr;gap:18px}
.step-card{position:relative;background:#fff;border:1px solid var(--border);border-radius:14px;padding:28px 24px 24px;box-shadow:var(--shadow-card);transition:all .2s ease}
.step-card:hover{border-color:#C6DCF3;box-shadow:var(--shadow-hover);transform:translateY(-2px)}
.step-num{display:flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:12px;background:var(--brand-soft);color:var(--brand);font-weight:800;font-size:17px;margin-bottom:17px}
.step-title{font-size:17px;font-weight:700;color:var(--heading);line-height:1.4;margin-bottom:8px}
.step-card p{font-size:13px;color:var(--muted);line-height:1.7}
.badge-gold{display:inline-flex;align-items:center;gap:6px;background:rgba(217,164,65,.12);color:#9F6F20;font-size:12px;font-weight:700;padding:3px 10px;border-radius:999px;border:1px solid rgba(217,164,65,.25)}
.fa-stack-wrap{color:var(--brand)}
.pill-badge{display:inline-block;background:var(--brand-soft);color:var(--brand);font-size:12px;font-weight:700;padding:3px 11px;border-radius:999px;margin-bottom:13px}
.check-card li{list-style:none;display:flex;align-items:flex-start;gap:11px;padding:13px 0;border-bottom:1px solid #EEF4FA}
.check-card ul{display:flex;flex-direction:column}
.check-card li:last-child{border-bottom:0}
.check-card i{color:var(--success);margin-top:4px;flex-shrink:0}
.accordion-block{display:flex;flex-direction:column;gap:11px}
.accordion-block details{background:var(--card);border:1px solid var(--border);border-radius:14px;transition:box-shadow .2s,border-color .2s}
.accordion-block details[open]{border-color:rgba(21,101,192,.3);box-shadow:var(--shadow-card)}
.accordion-block summary{cursor:pointer;list-style:none;display:flex;align-items:center;justify-content:space-between;gap:14px;min-height:66px;padding:10px 18px;font-weight:600;color:var(--heading);font-size:15px}
.accordion-block summary::-webkit-details-marker{display:none}
.accordion-block .chevron{color:var(--brand);transition:transform .22s ease;flex-shrink:0}
.accordion-block details[open] .chevron{transform:rotate(180deg)}
.qa-answer{padding:0 19px 20px;font-size:14px;color:var(--text);line-height:1.8;max-width:760px}
.qa-answer a{font-weight:600}
.cta-band{background:var(--dark);border-radius:22px;padding:44px 34px;color:#fff;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px}
.cta-band p{color:var(--dark-text);font-size:14px;max-width:610px}
.cta-title{color:#fff;font-size:23px;font-weight:800;line-height:1.4;position:relative;padding-left:17px}
.cta-title:before{content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;border-radius:4px;background:var(--gold)}
.scene-card{display:grid;grid-template-columns:1fr;background:var(--card);border:1px solid var(--border);border-radius:18px;overflow:hidden;box-shadow:var(--shadow-card)}
.scene-card-content{padding:23px 26px}
.scene-title{font-weight:800;color:var(--heading);font-size:18px;line-height:1.4;margin-bottom:10px}
.scene-img-wrap{min-height:230px;background:var(--brand-soft)}
.scene-img-wrap img{width:100%;height:100%;object-fit:cover;min-height:230px}
.footer-bg{background:var(--dark)}
.footer-heading{font-size:13px;color:#fff;font-weight:700;margin-bottom:13px}
.footer-link{color:var(--dark-text)}
.footer-link:hover{color:#fff}
.mobile-nav-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}
.scene-list-item{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:18px;display:flex;gap:12px;transition:all .2s ease}
.scene-list-item:hover{border-color:#C3DAEF;box-shadow:var(--shadow-card)}
.scene-list-icon{width:42px;height:42px;border-radius:12px;background:var(--brand-pale);color:var(--brand);display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:17px}
@media (min-width:640px){
  .step-grid{grid-template-columns:repeat(2,1fr)}
  .scene-card{grid-template-columns:1fr 1.1fr}
  .scene-img-wrap{order:2}
}
@media (min-width:1024px){
  .sidebar{transform:none;z-index:35;box-shadow:none}
  .menu-backdrop{display:none!important}
  .mobile-topbar{display:none}
  .main-wrap{margin-left:258px;padding-top:0}
  .step-grid{grid-template-columns:repeat(4,1fr)}
  .section-block{padding:80px 0}
  .container-custom{padding-left:32px;padding-right:32px}
  .hero-guide-inner{padding:64px 0 76px}
}
@media (max-width:520px){
  .quick-strip{grid-template-columns:1fr}
  .quick-item+.quick-item{border-top:1px solid var(--border);border-left:0}
  .cta-band{padding:32px 22px}
  .hero-guide-inner{padding:44px 0 50px}
}
@keyframes fadeUp{from{opacity:0;transform:translateY(7px)}to{opacity:1;transform:translateY(0)}}
.hero-guide .eyebrow{animation:fadeUp .35s ease}
.hero-guide h1,.hero-guide p,.hero-guide .hero-actions{animation:fadeUp .35s ease both}
.hero-guide h1{animation-delay:.05s}
.hero-guide p{animation-delay:.1s}
.hero-guide .hero-actions{animation-delay:.16s}

/* roulang page: category3 */
:root {
    --brand: #1565C0;
    --brand-deep: #0F4A92;
    --brand-soft: #EAF2FB;
    --brand-extra: #F3F8FD;
    --gold: #D9A441;
    --gold-deep: #BB8630;
    --dark-nav: #0C2D54;
    --dark-text: #A8C7E0;
    --ink: #102A43;
    --body: #334E68;
    --subtle: #627D98;
    --border: #E1EAF3;
    --page-bg: #F6F9FD;
    --card-bg: #FFFFFF;
    --shadow: 0 1px 2px rgba(16,42,67,0.04), 0 16px 40px -20px rgba(16,42,67,0.14);
    --shadow-hover: 0 2px 4px rgba(16,42,67,0.06), 0 24px 48px -16px rgba(16,42,67,0.2);
    --radius-lg: 16px;
    --radius: 10px;
    --radius-sm: 8px;
    --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", sans-serif;
  }
  * {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
  }
  html {
    scroll-behavior: smooth;
  }
  body {
    font-family: var(--font-sans);
    background-color: var(--page-bg);
    color: var(--body);
    font-size: 15px;
    line-height: 1.8;
    background-image: radial-gradient(rgba(226,234,243,0.7) 1px, transparent 1px);
    background-size: 26px 26px;
  }
  a {
    text-decoration: none;
    color: inherit;
  }
  img {
    max-width: 100%;
    display: block;
  }
  ul,
  ol {
    list-style: none;
  }
  button,
  input,
  textarea {
    font-family: inherit;
    font-size: inherit;
  }
  button {
    cursor: pointer;
  }
  .skip-link {
    position: absolute;
    left: -9999px;
    top: 8px;
    z-index: 1000;
    background: var(--ink);
    color: #fff;
    padding: 10px 16px;
    border-radius: 8px;
  }
  .skip-link:focus {
    left: 8px;
  }
  .app-shell {
    min-height: 100vh;
  }
  .side-shell {
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    width: 256px;
    background: #fff;
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    z-index: 80;
    padding: 0 18px 20px;
    transition: transform .25s ease;
  }
  .brand-block {
    height: 72px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid #edf3f8;
    flex: 0 0 auto;
  }
  .brand-mark {
    width: 34px;
    height: 34px;
    border-radius: 9px;
    background: var(--brand-extra);
    border: 1px solid #d9e5f2;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 17px;
    color: var(--brand);
  }
  .brand-name {
    display: flex;
    flex-direction: column;
    line-height: 1.3;
  }
  .brand-name b {
    font-size: 17px;
    font-weight: 800;
    color: var(--ink);
    letter-spacing: .2px;
    white-space: nowrap;
  }
  .brand-name span {
    font-size: 12px;
    color: var(--subtle);
    font-weight: 400;
    margin-top: 2px;
  }
  .sidebar-nav {
    flex: 1;
    overflow-y: auto;
    padding: 22px 0 18px;
  }
  .nav-group-title {
    font-size: 12px;
    color: #8fa7bf;
    letter-spacing: 1px;
    font-weight: 600;
    padding: 14px 10px 8px;
  }
  .nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    height: 44px;
    padding: 0 12px;
    border-radius: 10px;
    color: #334E68;
    font-size: 15px;
    font-weight: 500;
    margin-bottom: 4px;
    transition: background .2s, color .2s, box-shadow .2s;
  }
  .nav-item i {
    width: 22px;
    text-align: center;
    font-size: 14px;
    color: #7C96B2;
  }
  .nav-item:hover {
    background: #f4f9ff;
    color: var(--brand);
  }
  .nav-item:hover i {
    color: var(--brand);
  }
  .nav-item:focus-visible,
  .btn:focus-visible,
  .side-user-action:focus-visible {
    outline: 3px solid rgba(21,101,192,0.28);
    outline-offset: 1px;
  }
  .nav-item.active {
    background: var(--brand-soft);
    color: var(--brand);
    font-weight: 600;
    box-shadow: inset 3px 0 0 var(--brand);
  }
  .nav-item.active i {
    color: var(--brand);
  }
  .side-user-card {
    border: 1px solid #e7edf4;
    background: #fbfdff;
    border-radius: 14px;
    padding: 14px;
    margin-top: 10px;
  }
  .side-user-line {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--ink);
    font-weight: 600;
    font-size: 14px;
  }
  .side-user-line i {
    color: var(--brand);
  }
  .side-user-card p {
    font-size: 12px;
    color: var(--subtle);
    line-height: 1.5;
    margin: 6px 0 10px;
  }
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 15px;
    line-height: 1;
    padding: 0 18px;
    min-height: 44px;
    border: 1px solid transparent;
    transition: all .2s;
  }
  .btn-primary {
    background: var(--brand);
    color: #fff;
    box-shadow: 0 2px 6px rgba(21,101,192,0.16);
  }
  .btn-primary:hover {
    background: var(--brand-deep);
    box-shadow: 0 5px 12px rgba(21,101,192,0.24);
    transform: translateY(-1px);
  }
  .btn-primary:active {
    transform: translateY(0);
  }
  .btn-ghost {
    background: #fff;
    color: var(--brand);
    border-color: #c5d7e8;
  }
  .btn-ghost:hover {
    border-color: var(--brand);
    background: #f7faff;
    color: var(--brand-deep);
  }
  .btn-gold {
    background: var(--gold);
    color: #2f2a1f;
    width: 100%;
    box-shadow: 0 2px 6px rgba(217,164,65,0.2);
  }
  .btn-gold:hover {
    background: var(--gold-deep);
    color: #fff;
  }
  .side-user-action {
    display: flex;
    width: 100%;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: #fff8ec;
    border: 1px solid #ecdfc2;
    color: #8a6120;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 600;
    min-height: 38px;
    transition: .2s;
  }
  .side-user-action:hover {
    background: var(--gold);
    color: #fff;
  }
  .side-user-action i {
    font-size: 12px;
  }
  .main-right {
    width: 100%;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
  }
  .mobile-topbar {
    display: none;
    position: sticky;
    top: 0;
    width: 100%;
    height: 60px;
    background: rgba(255,255,255,0.96);
    backdrop-filter: blur(6px);
    border-bottom: 1px solid var(--border);
    align-items: center;
    padding: 0 14px;
    gap: 10px;
    z-index: 50;
  }
  .mobile-menu-btn {
    width: 40px;
    height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid #dae5ef;
    border-radius: 10px;
    color: var(--ink);
    font-size: 17px;
  }
  .mobile-brand {
    flex: 1;
    font-weight: 800;
    color: var(--ink);
    font-size: 16px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  .mobile-top-login {
    height: 38px;
    flex: 0 0 auto;
    padding: 0 14px;
    border-radius: 8px;
    font-size: 14px;
  }
  .nav-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(16,42,67,0.5);
    opacity: 0;
    visibility: hidden;
    transition: .25s ease;
    z-index: 70;
  }
  .nav-backdrop.show {
    opacity: 1;
    visibility: visible;
  }
  main {
    width: 100%;
    max-width: 1180px;
    margin: 0 auto;
    padding: 28px 28px 48px;
  }
  .container-custom {
    max-width: 1180px;
    margin: 0 auto;
  }
  .category-hero {
    position: relative;
    overflow: hidden;
    min-height: 300px;
    border-radius: 20px;
    border: 1px solid rgba(255,255,255,0.4);
    display: flex;
    align-items: center;
    padding: 46px 40px;
    background: #f4f8fd;
    box-shadow: var(--shadow);
    margin-bottom: 22px;
  }
  .category-hero-bg {
    position: absolute;
    inset: 0;
    background-image: url('/assets/images/backpic/back-1.webp');
    background-size: cover;
    background-position: center 30%;
    opacity: .35;
  }
  .category-hero-inner {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 760px;
  }
  .cat-badge {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    background: rgba(255,255,255,0.85);
    border: 1px dashed #a3bad0;
    border-radius: 999px;
    color: var(--brand-deep);
    font-size: 13px;
    font-weight: 600;
    padding: 6px 13px;
    margin-bottom: 18px;
  }
  .category-hero h1 {
    font-size: clamp(27px, 3.2vw, 40px);
    line-height: 1.25;
    color: var(--ink);
    font-weight: 800;
    letter-spacing: .2px;
    margin-bottom: 14px;
  }
  .category-hero-desc {
    color: var(--body);
    font-size: 16px;
    line-height: 1.85;
    max-width: 680px;
  }
  .category-hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 24px;
  }
  .breadcrumb-row {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--subtle);
    padding: 4px 2px 18px;
    flex-wrap: wrap;
  }
  .breadcrumb-row a {
    color: var(--subtle);
  }
  .breadcrumb-row a:hover {
    color: var(--brand);
  }
  .breadcrumb-row span {
    color: #a9bccd;
  }
  .section-block {
    margin-top: 34px;
  }
  .section-heading {
    margin-bottom: 22px;
  }
  .section-heading h2 {
    font-size: 24px;
    font-weight: 800;
    color: var(--ink);
    line-height: 1.35;
  }
  .section-heading .eyebrow {
    display: flex;
    align-items: center;
    gap: 7px;
    color: var(--brand);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: .8px;
    margin-bottom: 6px;
    text-transform: uppercase;
  }
  .section-heading p {
    font-size: 14px;
    color: var(--subtle);
    max-width: 760px;
    line-height: 1.75;
  }
  .featured-row {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 20px;
  }
  .featured-lead {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 18px;
    overflow: hidden;
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
  }
  .featured-lead .lead-media {
    min-height: 200px;
    overflow: hidden;
    position: relative;
  }
  .featured-lead .lead-media img {
    width: 100%;
    height: 190px;
    object-fit: cover;
    transition: transform .3s ease;
  }
  .featured-lead:hover .lead-media img {
    transform: scale(1.02);
  }
  .featured-lead-body {
    padding: 22px 22px 20px;
  }
  .featured-lead-body .lead-label {
    display: inline-flex;
    gap: 6px;
    align-items: center;
    border-radius: 999px;
    background: var(--brand-extra);
    color: var(--brand-deep);
    border: 1px solid #dcebf8;
    font-size: 12px;
    font-weight: 600;
    padding: 4px 10px;
    margin-bottom: 12px;
  }
  .featured-lead-body h3 {
    font-size: 18px;
    font-weight: 700;
    line-height: 1.55;
    color: var(--ink);
    margin-bottom: 8px;
  }
  .featured-lead-body p {
    color: var(--body);
    line-height: 1.75;
    font-size: 14px;
    font-weight: 400;
  }
  .meta-line {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    font-size: 13px;
    color: var(--subtle);
    margin-top: 14px;
  }
  .right-card-grid {
    display: grid;
    gap: 20px;
  }
  .right-info-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 20px;
    box-shadow: var(--shadow);
    transition: transform .22s, box-shadow .22s;
  }
  .right-info-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
  }
  .right-info-card .card-pic {
    height: 110px;
    overflow: hidden;
    border-radius: 12px;
    margin-bottom: 14px;
  }
  .right-info-card .card-pic img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .right-info-card h3 {
    font-size: 16px;
    font-weight: 700;
    color: var(--ink);
    line-height: 1.5;
  }
  .right-info-card p {
    font-size: 14px;
    color: var(--body);
    margin-top: 8px;
    line-height: 1.7;
  }
  .read-more {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 14px;
    color: var(--brand);
    font-weight: 600;
    margin-top: 12px;
  }
  .read-more:hover {
    color: var(--brand-deep);
  }
  .log-section {
    background: #FFFFFF;
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 26px;
    box-shadow: var(--shadow);
    margin-top: 10px;
  }
  .log-intro {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 8px;
  }
  .log-item {
    border-left: 1px dashed #bed2e6;
    padding-left: 20px;
    padding-bottom: 20px;
    margin-left: 6px;
    position: relative;
  }
  .log-item::before {
    content: "";
    position: absolute;
    left: -7px;
    top: 6px;
    width: 13px;
    height: 13px;
    border-radius: 50%;
    background: #fff;
    border: 3px solid var(--brand);
    box-shadow: 0 0 0 4px var(--brand-extra);
  }
  .log-topline {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 5px;
  }
  .log-date {
    font-size: 13px;
    color: var(--subtle);
    font-weight: 500;
    background: var(--brand-extra);
    padding: 3px 9px;
    border-radius: 999px;
  }
  .log-tag {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: #f6f8fb;
    border: 1px solid #e1eaf3;
    border-radius: 999px;
    color: var(--body);
    font-size: 12px;
    padding: 2px 10px;
  }
  .log-item h3 {
    font-size: 17px;
    font-weight: 700;
    color: var(--ink);
    line-height: 1.5;
    margin: 3px 0 5px;
  }
  .log-item h3 a:hover {
    color: var(--brand);
  }
  .log-item p {
    color: var(--body);
    font-size: 14px;
    line-height: 1.75;
    max-width: 820px;
  }
  .view-all-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--brand);
    font-weight: 600;
    font-size: 14px;
  }
  .view-all-link:hover {
    color: var(--brand-deep);
  }
  .two-column-zone {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 22px;
    margin-top: 36px;
    align-items: stretch;
  }
  .zone-image {
    position: relative;
    overflow: hidden;
    background: var(--dark-nav);
    border-radius: 20px;
    min-height: 260px;
    box-shadow: var(--shadow);
  }
  .zone-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: .78;
    min-height: 260px;
  }
  .zone-image::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, rgba(12,45,84,0.3), rgba(12,45,84,0.08));
  }
  .zone-image-content {
    position: absolute;
    left: 24px;
    right: 24px;
    bottom: 22px;
    z-index: 2;
    color: #fff;
  }
  .zone-image-content h3 {
    font-size: 20px;
    font-weight: 800;
    line-height: 1.45;
  }
  .zone-image-content p {
    color: #D9E9FA;
    font-size: 13px;
    margin-top: 6px;
  }
  .zone-tip {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 28px 28px 22px;
    box-shadow: var(--shadow);
  }
  .zone-tip h2 {
    font-size: 22px;
    line-height: 1.35;
    color: var(--ink);
    font-weight: 800;
  }
  .zone-tip p {
    margin-top: 8px;
    color: var(--body);
    font-size: 14px;
    line-height: 1.8;
  }
  .tip-list {
    margin-top: 18px;
  }
  .tip-list li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 8px 0;
    font-size: 14px;
    line-height: 1.6;
    border-bottom: 1px dashed #edf1f5;
    color: #334E68;
  }
  .tip-list li:last-child {
    border-bottom: 0;
  }
  .tip-list i {
    color: var(--brand);
    margin-top: 2px;
    font-size: 15px;
  }
  .faq-block {
    margin-top: 36px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 20px;
    box-shadow: var(--shadow);
    padding: 28px;
  }
  .faq-block-title {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 6px;
  }
  .faq-block-title .faq-icon {
    width: 44px;
    height: 44px;
    border-radius: 13px;
    background: var(--brand-extra);
    border: 1px solid #d8e6f3;
    color: var(--brand);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 21px;
  }
  .faq-block h2 {
    font-size: 23px;
    color: var(--ink);
    font-weight: 800;
  }
  .faq-intro {
    color: var(--subtle);
    font-size: 14px;
    margin-bottom: 22px;
  }
  .faq-item {
    border-bottom: 1px solid #edf2f6;
  }
  .faq-item:last-child {
    border-bottom: none;
  }
  .faq-q {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 14px;
    background: transparent;
    border: 0;
    padding: 17px 2px;
    text-align: left;
    color: var(--ink);
    font-size: 16px;
    font-weight: 600;
    min-height: 54px;
    line-height: 1.5;
    transition: color .2s;
  }
  .faq-q:hover {
    color: var(--brand);
  }
  .faq-q .fa-solid {
    color: #8FA3B8;
    transition: transform .25s ease, color .2s;
  }
  .faq-item[aria-expanded="true"] .faq-q .fa-solid {
    transform: rotate(180deg);
    color: var(--brand);
  }
  .faq-a {
    max-height: 0;
    overflow: hidden;
    transition: max-height .28s ease;
  }
  .faq-a-inner {
    padding: 0 24px 20px 2px;
    color: var(--body);
    line-height: 1.85;
    font-size: 14px;
  }
  .cta-strip {
    margin-top: 36px;
    background: linear-gradient(115deg, #0D3159, #123F68);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 32px 30px;
    color: #fff;
    box-shadow: 0 18px 44px -18px rgba(12,45,84,0.55);
  }
  .cta-strip h2 {
    font-size: 22px;
    font-weight: 800;
    line-height: 1.5;
    color: #fff;
  }
  .cta-strip p {
    color: #C8DBEF;
    font-size: 14px;
    margin-top: 4px;
  }
  .footer-bg {
    background: var(--dark-nav);
  }
  .footer-heading {
    font-size: 15px;
    color: #FFFFFF;
    font-weight: 600;
    margin-bottom: 10px;
  }
  .footer-link {
    color: #A8C7E0;
    transition: color .2s;
  }
  .footer-link:hover {
    color: #FFFFFF;
  }
  .footer-copyright {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    flex-wrap: wrap;
    padding: 17px 32px;
    font-size: 13px;
    color: #A8C7E0;
  }
  .footer-copyright a {
    color: #D9E9FA;
  }
  @media (min-width: 1024px) {
    .side-shell {
      transform: none;
    }
    .app-shell {
      padding-left: 256px;
    }
    .mobile-topbar {
      display: none !important;
    }
    .nav-backdrop {
      display: none;
    }
  }
  @media (max-width: 1023.98px) {
    .side-shell {
      transform: translateX(-110%);
    }
    .side-shell.open {
      transform: translateX(0);
      box-shadow: 20px 0 60px rgba(16,42,67,0.15);
    }
    .mobile-topbar {
      display: flex;
    }
    .mobile-menu-btn:focus-visible {
      outline: 3px solid rgba(21,101,192,0.28);
    }
    main {
      max-width: 100%;
      padding-left: 18px;
      padding-right: 18px;
      padding-top: 18px;
    }
    .category-hero {
      padding: 32px 24px;
      min-height: auto;
    }
    .featured-row,
    .two-column-zone {
      grid-template-columns: 1fr;
    }
    .category-hero h1 {
      font-size: 28px;
    }
    .footer-copyright {
      justify-content: center;
    }
  }
  @media (max-width: 600px) {
    .category-hero {
      padding: 26px 18px;
    }
    .category-hero h1 {
      font-size: 24px;
      line-height: 1.35;
    }
    .category-hero-desc {
      font-size: 14px;
    }
    .section-heading h2 {
      font-size: 20px;
    }
    .faq-block,
    .log-section {
      padding: 20px 17px;
    }
    .cta-strip {
      flex-direction: column;
      align-items: flex-start;
      padding: 24px 20px;
    }
    .log-item {
      padding-left: 16px;
    }
    .category-hero-actions .btn {
      width: 100%;
    }
    .zone-image img,
    .zone-image {
      min-height: 220px;
    }
  }
