/* roulang page: index */
:root {
    --primary: #16305F;
    --primary-deep: #0F2244;
    --primary-dark: #0B1830;
    --accent: #2BBF8C;
    --accent-hover: #1E9E72;
    --gold: #E8B054;
    --base-bg: #F7FAFC;
    --surface: #FFFFFF;
    --soft-blue: #EDF4FD;
    --ink: #202A3C;
    --ink-soft: #5B6D82;
    --line: #E3EAF2;
    --card-radius: 16px;
    --large-radius: 20px;
    --card-shadow: 0 1px 2px rgba(16,24,40,0.04), 0 4px 16px rgba(16,24,40,0.06);
    --card-hover: 0 8px 28px rgba(16,24,40,0.10);
    --font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", sans-serif;
  }
  * { box-sizing: border-box; margin: 0; padding: 0; }
  html { scroll-behavior: smooth; }
  body {
    font-family: var(--font-family);
    background-color: var(--base-bg);
    color: var(--ink);
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
  }
  img { max-width: 100%; display: block; }
  a { text-decoration: none; color: inherit; transition: color 0.2s ease; }
  button { font-family: inherit; cursor: pointer; }
  :focus-visible { outline: 3px solid rgba(43,191,140,0.25); outline-offset: 2px; }
  .container-main { max-width: 1280px; margin: 0 auto; padding-left: 1.5rem; padding-right: 1.5rem; }
  @media (min-width: 768px) {
    .container-main { padding-left: 2rem; padding-right: 2rem; }
  }
  .section-pad { padding: 80px 0; }
  @media (max-width: 768px) {
    .section-pad { padding: 48px 0; }
  }
  .btn-main {
    display: inline-flex; align-items: center; gap: 8px;
    background: var(--accent); color: #fff; font-weight: 600;
    border-radius: 999px; padding: 14px 28px; font-size: 1rem;
    transition: all 0.25s ease; border: 1px solid transparent; line-height: 1.2;
    box-shadow: 0 2px 8px rgba(43,191,140,0.22);
  }
  .btn-main:hover {
    background: var(--accent-hover); transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(43,191,140,0.30);
  }
  .btn-main:active { transform: scale(0.98); }
  .btn-secondary {
    display: inline-flex; align-items: center; gap: 8px;
    background: #fff; color: var(--primary); font-weight: 600;
    border: 1px solid #d9e2ed; border-radius: 999px; padding: 14px 28px; font-size: 1rem;
    transition: all 0.25s ease; line-height: 1.2;
  }
  .btn-secondary:hover {
    background: var(--soft-blue); border-color: var(--primary); transform: translateY(-2px);
  }
  .btn-secondary:active { transform: scale(0.98); }
  .btn-white {
    display: inline-flex; align-items: center; gap: 8px;
    background: #fff; color: var(--accent-hover); font-weight: 700;
    border-radius: 999px; padding: 12px 26px; font-size: 1rem;
    transition: all 0.25s ease; line-height: 1.2;
  }
  .btn-white:hover { background: #f0fdf7; transform: translateY(-2px); box-shadow: 0 8px 20px rgba(0,0,0,0.08); }
  .btn-white:active { transform: scale(0.98); }
  .icon-badge {
    display: inline-flex; align-items: center; justify-content: center;
    width: 40px; height: 40px; border-radius: 10px; flex-shrink: 0;
  }
  .card-base {
    background: var(--surface); border: 1px solid var(--line);
    border-radius: var(--card-radius); box-shadow: var(--card-shadow);
    transition: box-shadow 0.3s ease, transform 0.3s ease;
  }
  .card-base:hover { box-shadow: var(--card-hover); }
  .eyebrow {
    display: inline-flex; align-items: center; gap: 6px;
    font-size: 0.875rem; font-weight: 600; color: var(--accent-hover);
    letter-spacing: 0.02em;
  }
  .section-title { font-size: clamp(1.625rem, 2.4vw, 2.25rem); font-weight: 800; color: var(--ink); line-height: 1.3; letter-spacing: -0.01em; }
  .section-subtitle { color: var(--ink-soft); font-size: 1.0625rem; line-height: 1.75; margin-top: 10px; }
  .chip {
    display: inline-flex; align-items: center; padding: 4px 12px;
    border-radius: 8px; font-size: 0.8125rem; font-weight: 500;
    background: var(--soft-blue); color: var(--primary);
  }
  .chip-accent { background: rgba(43,191,140,0.12); color: #147456; }
  .chip-gold { background: rgba(232,176,84,0.16); color: #9a6a16; }
  .chip-grey { background: #f0f3f8; color: var(--ink-soft); }
  .stat-number { font-size: clamp(1.75rem, 2.4vw, 2.375rem); font-weight: 800; color: var(--primary); letter-spacing: -0.02em; }
  /* Nav */
  .site-nav { position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,0.96); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); height: 68px; }
  .nav-link { position: relative; font-size: 0.9375rem; font-weight: 500; color: var(--ink-soft); padding: 8px 4px; transition: color 0.2s; }
  .nav-link:hover { color: var(--primary); }
  .nav-link.active { color: var(--primary); font-weight: 700; }
  .nav-link.active::after {
    content: ''; position: absolute; left: 0; right: 0; bottom: -2px;
    height: 3px; border-radius: 2px; background: var(--accent);
  }
  .mobile-drawer {
    position: fixed; top: 0; right: -280px; width: 280px; height: 100%;
    background: #fff; z-index: 200; transition: right 0.3s ease;
    box-shadow: -10px 0 40px rgba(0,0,0,0.08);
  }
  .mobile-drawer.open { right: 0; }
  .drawer-mask {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(11,24,48,0.4); z-index: 199; opacity: 0; visibility: hidden;
    transition: opacity 0.3s ease;
  }
  .drawer-mask.open { opacity: 1; visibility: visible; }
  /* Hero */
  .hero-wrap { background: var(--soft-blue); position: relative; overflow: hidden; }
  .hero-bg-decoration {
    position: absolute; right: -120px; top: -80px; width: 520px; height: 520px;
    border-radius: 50%; background: radial-gradient(circle, rgba(43,191,140,0.10) 0%, rgba(237,244,253,0) 70%);
  }
  .hero-bg-decoration2 {
    position: absolute; left: 8%; bottom: -140px; width: 340px; height: 340px;
    border-radius: 50%; background: radial-gradient(circle, rgba(22,48,95,0.06) 0%, rgba(237,244,253,0) 70%);
  }
  .stat-divider { width: 1px; background: rgba(22,48,95,0.14); }
  .data-strip {
    display: flex; flex-wrap: wrap; align-items: center;
    border: 1px solid var(--line); border-radius: 999px;
    background: #fff; box-shadow: var(--card-shadow);
    padding: 7px 24px; margin-top: 32px;
  }
  .data-strip .data-item { display: flex; flex-direction: column; align-items: center; padding: 8px 22px; }
  .data-strip .stat-label { font-size: 0.8125rem; color: var(--ink-soft); }
  .data-strip .stat-num { font-size: 1.4rem; font-weight: 800; color: var(--primary); line-height: 1.3; }
  /* Table */
  .tier-table-wrap { overflow-x: auto; border-radius: var(--large-radius); border: 1px solid var(--line); box-shadow: var(--card-shadow); background: #fff; }
  .tier-table { width: 100%; border-collapse: collapse; min-width: 860px; }
  .tier-table th, .tier-table td { padding: 20px 20px; text-align: left; font-size: 0.9375rem; }
  .tier-table thead th { background: #fff; border-bottom: 1px solid var(--line); font-weight: 600; color: var(--ink-soft); }
  .tier-table tbody tr { border-bottom: 1px solid #f0f3f8; }
  .tier-table tbody tr:last-child { border-bottom: none; }
  .tier-highlight { background: linear-gradient(135deg, rgba(22,48,95,0.03), rgba(22,48,95,0.02)); border-left: 4px solid var(--primary); position: relative; }
  .tier-avatar { width: 56px; height: 56px; border-radius: 50%; display: flex; align-items: center; justify-content: center; margin-bottom: 8px; font-size: 1.6rem; font-weight: 800; }
  .tier-list { list-style: none; }
  .tier-list li { display: flex; gap: 10px; align-items: flex-start; padding: 4px 0; color: var(--ink-soft); font-size: 0.875rem; }
  .tier-list li svg.done { flex-shrink: 0; }
  .tier-list li.muted{opacity:0.45;}
  /* Timeline / Tier highlight */
  .timeline-item { position: relative; padding-left: 44px; }
  .timeline-item::before {
    content: ''; position: absolute; left: 16px; top: 32px; bottom: -28px;
    width: 2px; background: #d9e5f2; border-radius: 2px;
  }
  .timeline-item:last-child::before { display: none; }
  .timeline-dot {
    position: absolute; left: 4px; top: 8px; width: 28px; height: 28px;
    border-radius: 50%; border: 2px solid var(--accent); background: #fff;
    display: flex; align-items: center; justify-content: center;
  }
  .timeline-dot.gold { border-color: var(--gold); }
  /* Cover overlay */
  .cover-image { position: relative; overflow: hidden; border-radius: var(--card-radius); }
  .cover-image img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
  .cover-image:hover img { transform: scale(1.03); }
  .cover-overlay { position: absolute; inset: 0; background: linear-gradient(200deg, rgba(11,24,48,0.15) 0%, rgba(11,24,48,0.55) 80%); }
  /* CTA band */
  .cta-band {
    background: var(--accent);
    position: relative; overflow: hidden;
  }
  .cta-band::before {
    content: ''; position: absolute; width: 260px; height: 260px; border-radius: 50%;
    background: rgba(255,255,255,0.13); right: -50px; top: -80px;
  }
  .cta-band::after {
    content: ''; position: absolute; width: 160px; height: 160px; border-radius: 50%;
    background: rgba(255,255,255,0.08); left: 10%; bottom: -70px;
  }
  /* Partner strip */
  .partner-logo-item {
    display: flex; align-items: center; justify-content: center;
    height: 64px; padding: 0 28px; border-radius: 12px;
    background: #fff; border: 1px solid var(--line);
    color: #a3b2c6; font-weight: 600; font-size: 0.875rem;
    white-space: nowrap; transition: color 0.2s, border-color 0.2s;
  }
  .partner-logo-item:hover { color: var(--primary); border-color: #c4d4e6; }
  /* FAQ */
  .faq-item { border: 1px solid var(--line); border-radius: 16px; background: #fff; overflow: hidden; transition: border-color 0.2s; }
  .faq-item.active { border-color: #b8cfe4; background: #fcfdff; }
  .faq-question {
    display: flex; align-items: center; justify-content: space-between;
    padding: 16px 24px; font-size: 1.0625rem; font-weight: 600; color: var(--ink);
    background: none; border: none; width: 100%; min-height: 56px; text-align: left;
  }
  .faq-icon { transition: transform 0.3s ease; display: flex; flex-shrink: 0; }
  .faq-item.active .faq-icon { transform: rotate(180deg); }
  .faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.35s ease; }
  .faq-item.active .faq-answer { max-height: 260px; }
  .faq-answer-inner { padding: 0 24px 22px; color: var(--ink-soft); font-size: 0.9375rem; line-height: 1.8; }
  /* Footer */
  .site-footer { background: var(--primary-dark); color: rgba(245,250,255,0.8); }
  .site-footer a { color: rgba(245,250,255,0.7); transition: color 0.2s; }
  .site-footer a:hover { color: #fff; }
  .footer-logo-text { font-size: 1.375rem; font-weight: 800; color: #fff; }
  @media (max-width: 767px) {
    .data-strip { border-radius: 24px; }
    .data-strip .data-item { padding: 10px 14px; }
  }
  @keyframes float-shape {
    0%,100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-14px) rotate(3deg); }
  }
  .float-shape { animation: float-shape 6s ease-in-out infinite; }

/* roulang page: category1 */
:root {
            --primary: #16305F;
            --primary-pressed: #0F2244;
            --primary-deep: #0B1830;
            --accent: #2BBF8C;
            --accent-hover: #1E9E72;
            --gold: #E8B054;
            --bg: #F7FAFC;
            --card: #FFFFFF;
            --text: #202A3C;
            --text-sub: #5B6D82;
            --border: #E3EAF2;
            --mist: #EDF4FD;
            --radius-card: 16px;
            --radius-lg: 20px;
            --shadow-card: 0 1px 2px rgba(16, 24, 40, 0.04), 0 4px 16px rgba(16, 24, 40, 0.06);
            --shadow-hover: 0 8px 28px rgba(16, 24, 40, 0.10);
            --container-max: 1280px;
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", sans-serif;
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: var(--font-sans);
            background: var(--bg);
            color: var(--text);
            line-height: 1.75;
            -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;
        }

        .container-main {
            width: 100%;
            max-width: var(--container-max);
            margin-inline: auto;
            padding-inline: 24px;
        }

        @media (min-width: 768px) {
            .container-main {
                padding-inline: 32px;
            }
        }

        .section-space {
            padding-top: 80px;
            padding-bottom: 80px;
        }

        @media (max-width: 640px) {
            .section-space {
                padding-top: 48px;
                padding-bottom: 48px;
            }
        }

        .section-eyebrow {
            color: var(--accent);
            font-size: 0.8125rem;
            font-weight: 700;
            letter-spacing: .12em;
            text-transform: uppercase;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .section-eyebrow::before {
            content: "";
            width: 22px;
            height: 2px;
            background: var(--accent);
            border-radius: 999px;
        }

        .section-title {
            font-size: clamp(1.625rem, 2.4vw, 2.25rem);
            font-weight: 800;
            color: var(--primary);
            line-height: 1.25;
            margin: 10px 0 0;
        }

        .section-desc {
            color: var(--text-sub);
            margin-top: 14px;
            max-width: 640px;
            font-size: 1rem;
        }

        /* ---------- Header ---------- */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 60;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
        }

        .logo-wrap {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            font-weight: 800;
            color: var(--primary);
            font-size: 1.2rem;
            letter-spacing: -0.01em;
        }

        .logo-mark {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: var(--primary);
            color: #fff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .logo-mark svg {
            width: 18px;
            height: 18px;
        }

        .nav-link {
            position: relative;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text);
            padding: 8px 2px;
            transition: color .2s ease;
        }

        .nav-link::after {
            content: "";
            position: absolute;
            left: 50%;
            bottom: -2px;
            width: 0;
            height: 2.5px;
            border-radius: 999px;
            background: var(--accent);
            transform: translateX(-50%);
            transition: width .25s ease;
        }

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

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

        .nav-link.active {
            color: var(--primary);
            font-weight: 700;
        }

        .btn-primary,
        .btn-accent {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--accent);
            color: #fff;
            border: none;
            border-radius: 12px;
            padding: 12px 24px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: transform .18s ease, box-shadow .18s ease, background .2s ease;
            white-space: nowrap;
        }

        .btn-primary:hover,
        .btn-accent:hover {
            background: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }

        .btn-primary:active,
        .btn-accent:active {
            transform: scale(0.98);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: #fff;
            color: var(--primary);
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 12px 24px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all .2s ease;
            white-space: nowrap;
        }

        .btn-outline:hover {
            background: var(--mist);
            border-color: rgba(22, 48, 95, .18);
            transform: translateY(-2px);
            box-shadow: var(--shadow-card);
        }

        .btn-outline:active {
            transform: scale(0.98);
        }

        .btn-white {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: #fff;
            color: var(--primary);
            border: 1px solid #fff;
            border-radius: 12px;
            padding: 12px 24px;
            font-weight: 700;
            font-size: 0.95rem;
            transition: transform .18s ease, box-shadow .18s ease, background .2s ease;
            white-space: nowrap;
        }

        .btn-white:hover {
            background: #f3fbff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }

        .btn-white:active {
            transform: scale(0.98);
        }

        a:focus-visible,
        button:focus-visible {
            outline: 3px solid rgba(43, 191, 140, 0.25);
            outline-offset: 2px;
        }

        @media (min-width: 1024px) {
            .site-header .nav-cta {
                display: inline-flex;
            }
        }

        .mobile-menu-backdrop {
            transition: opacity .25s ease;
        }

        .mobile-drawer {
            transition: transform .3s ease, opacity .3s ease;
        }

        .mobile-drawer.is-open {
            transform: translateX(0);
            opacity: 1;
            visibility: visible;
        }

        .mobile-drawer {
            transform: translateX(100%);
            opacity: 0;
            visibility: hidden;
        }

        /* ---------- Page hero banner ---------- */
        .page-hero {
            background: linear-gradient(118deg, #eaf2fb 0%, #f4f9fd 58%, #dcecf7 100%);
            border-bottom: 1px solid var(--border);
            position: relative;
            overflow: hidden;
        }

        .page-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            opacity: 0.07;
            pointer-events: none;
        }

        .hero-breadcrumb {
            display: flex;
            align-items: center;
            font-size: .875rem;
            color: var(--text-sub);
            gap: 8px;
        }

        .hero-breadcrumb a {
            color: var(--primary);
            font-weight: 500;
            transition: color .2s;
        }

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

        .hero-tagline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(43, 191, 140, .1);
            color: #187d58;
            font-size: .8rem;
            font-weight: 700;
            padding: 6px 14px;
            border-radius: 999px;
        }

        .hero-stats-item {
            display: flex;
            flex-direction: column;
            gap: 4px;
            padding-right: 24px;
            border-right: 1px solid rgba(22, 48, 95, .12);
        }

        .hero-stats-item:last-child {
            border-right: none;
        }

        .hero-stats-value {
            font-size: 1.75rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -.02em;
        }

        /* ---------- Cards ---------- */
        .news-list-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: 20px;
            box-shadow: var(--shadow-card);
            padding: 18px;
            transition: box-shadow .25s ease, transform .25s ease, border-color .25s ease;
            display: flex;
            flex-direction: column;
        }

        .news-list-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: rgba(43, 191, 140, .35);
            transform: translateY(-3px);
        }

        @media (min-width: 768px) {
            .news-list-card {
                flex-direction: row;
                padding: 22px;
            }
        }

        .news-thumb {
            border-radius: 14px;
            overflow: hidden;
            flex-shrink: 0;
        }

        .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .35s ease;
        }

        .news-list-card:hover .news-thumb img {
            transform: scale(1.04);
        }

        .news-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: .75rem;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 999px;
            letter-spacing: .02em;
        }

        .badge-free {
            background: rgba(43, 191, 140, .1);
            color: #157553;
        }

        .badge-member {
            background: rgba(232, 176, 84, .16);
            color: #9a6a1d;
        }

        .badge-pro {
            background: rgba(22, 48, 95, .08);
            color: var(--primary);
        }

        /* ---------- Tag pills ---------- */
        .tag-pill {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border-radius: 999px;
            padding: 10px 20px;
            background: #fff;
            border: 1px solid var(--border);
            color: var(--text-sub);
            font-weight: 500;
            font-size: .875rem;
            transition: all .2s ease;
            box-shadow: none;
        }

        .tag-pill:hover {
            border-color: var(--accent);
            color: var(--primary);
            background: #f4fffa;
            transform: translateY(-2px);
            box-shadow: var(--shadow-card);
        }

        .tag-pill.active {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
            box-shadow: 0 6px 16px rgba(22, 48, 95, .14);
        }

        /* ---------- Premium feature list ---------- */
        .premium-list-item {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 16px;
            padding: 16px 18px;
            transition: box-shadow .2s ease;
        }

        .premium-list-item:hover {
            box-shadow: var(--shadow-card);
        }

        .premium-icon {
            width: 42px;
            height: 42px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            background: var(--mist);
            color: var(--primary);
        }

        .premium-lock-icon {
            width: 30px;
            height: 30px;
            border-radius: 10px;
            background: rgba(22, 48, 95, .06);
            color: var(--text-sub);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        /* ---------- FAQ ---------- */
        .faq-item {
            border: 1px solid var(--border);
            background: #fff;
            border-radius: 16px;
            padding: 0 22px;
            margin-bottom: 14px;
            transition: border-color .2s ease, background .2s ease, box-shadow .2s ease;
        }

        .faq-item.active {
            border-color: rgba(43, 191, 140, .45);
            background: #fafffd;
            box-shadow: var(--shadow-card);
        }

        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            width: 100%;
            background: transparent;
            border: none;
            text-align: left;
            font-size: 1rem;
            font-weight: 600;
            color: var(--primary);
            padding: 20px 0;
            min-height: 52px;
        }

        .faq-question .faq-text {
            flex: 1;
        }

        .faq-icon {
            width: 26px;
            height: 26px;
            border-radius: 50%;
            background: var(--mist);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            transition: transform .3s ease, background .2s ease;
        }

        .faq-item.active .faq-icon {
            background: var(--accent);
            color: #fff;
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .35s ease;
            color: var(--text-sub);
            font-size: 0.9375rem;
        }

        .faq-answer-inner {
            padding-bottom: 20px;
            line-height: 1.8;
        }

        /* ---------- CTA block ---------- */
        .cta-extra {
            position: relative;
            overflow: hidden;
            background: var(--accent);
            border-radius: 28px;
            padding: 56px 48px;
            color: #fff;
        }

        .cta-extra::after {
            content: "";
            position: absolute;
            width: 280px;
            height: 280px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.09);
            right: -90px;
            top: -90px;
            pointer-events: none;
        }

        .cta-extra::before {
            content: "";
            position: absolute;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.07);
            left: 8%;
            bottom: -130px;
            pointer-events: none;
        }

        @media (max-width: 640px) {
            .cta-extra {
                padding: 40px 24px;
                border-radius: 20px;
            }
        }

        /* ---------- Footer ---------- */
        .site-footer {
            background: var(--primary-deep);
            color: #e9efff;
        }

        .footer-logo-text {
            font-weight: 800;
            font-size: 1.15rem;
            color: #fff;
        }

        .site-footer a {
            transition: color .2s ease, opacity .2s ease;
        }

        .site-footer a:hover {
            color: #fff;
            opacity: .8;
        }

        /* ---------- Responsive tweak ---------- */
        .no-scrollbar::-webkit-scrollbar {
            display: none;
        }

        .no-scrollbar-ie {
            -ms-overflow-style: none;
            scrollbar-width: none;
        }

        @media (max-width: 1023px) {
            .desktop-nav {
                display: none !important;
            }
        }

        @media (max-width: 768px) {
            .page-hero .hero-stats-wrap {
                justify-content: flex-start;
                flex-wrap: wrap;
            }
            .hero-stats-item {
                padding-right: 16px;
                min-width: 80px;
            }
        }

        .hero-card-visual {
            position: relative;
        }

        .hero-card-visual .main-img {
            border-radius: 24px;
            box-shadow: 0 20px 56px rgba(22, 48, 95, 0.14);
        }

        .hero-card-visual .float-badge {
            position: absolute;
            background: #fff;
            border-radius: 16px;
            padding: 12px 18px;
            box-shadow: 0 10px 34px rgba(16, 24, 40, .12);
            border: 1px solid var(--border);
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: .875rem;
            font-weight: 600;
            color: var(--primary);
        }

/* roulang page: article */
:root {
    --bg: #F7FAFC;
    --fg: #202A3C;
    --muted: #5B6D82;
    --border: #E3EAF2;
    --navy: #16305F;
    --navy-deep: #0B1830;
    --navy-press: #0F2244;
    --accent: #2BBF8C;
    --accent-hover: #1E9E72;
    --gold: #E8B054;
    --blue-soft: #EDF4FD;
    --focus-ring: 3px solid rgba(43, 191, 140, 0.25);
    --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", sans-serif;
  }

  * {
    box-sizing: border-box;
  }

  html {
    scroll-behavior: smooth;
  }

  body {
    margin: 0;
    background: var(--bg);
    color: var(--fg);
    font-family: var(--font);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
  }

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

  a {
    color: inherit;
    text-decoration: none;
  }

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

  h1, h2, h3, h4 {
    color: var(--navy);
    line-height: 1.3;
    margin: 0;
  }

  .skip-link {
    position: absolute;
    left: -9999px;
    top: 0;
    background: var(--navy);
    color: #fff;
    padding: 12px 20px;
    z-index: 100;
    border-radius: 0 0 12px 0;
  }

  .skip-link:focus {
    left: 0;
  }

  .site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
  }

  .site-header .header-inner {
    width: 100%;
    max-width: 1280px;
    height: 72px;
    margin-inline: auto;
    padding-inline: 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
  }

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

  .logo-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 12px;
    background: var(--navy);
    color: #fff;
    box-shadow: 0 4px 12px rgba(22, 48, 95, 0.14);
  }

  .logo-text {
    font-size: 1.05rem;
    font-weight: 800;
    color: var(--navy);
    letter-spacing: -0.01em;
    white-space: nowrap;
  }

  .nav-menu {
    display: none;
    align-items: center;
    gap: 28px;
  }

  .nav-link {
    position: relative;
    display: inline-flex;
    align-items: center;
    min-height: 44px;
    font-size: 0.96rem;
    font-weight: 600;
    color: #33475B;
    transition: color 0.2s ease;
    padding: 0 2px;
  }

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

  .nav-link.active {
    color: var(--navy);
    font-weight: 700;
  }

  .nav-link.active::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 8px;
    height: 2px;
    border-radius: 99px;
    background: var(--accent);
  }

  @media (min-width: 1024px) {
    .nav-menu {
      display: flex;
    }
  }

  .header-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    padding: 0 22px;
    border-radius: 999px;
    background: var(--accent);
    color: #ffffff;
    font-size: 0.88rem;
    font-weight: 700;
    transition: background 0.2s ease, transform 0.15s ease, box-shadow 0.2s ease;
    box-shadow: 0 6px 16px rgba(43, 191, 140, 0.22);
  }

  .header-cta:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 22px rgba(30, 158, 114, 0.24);
  }

  .header-cta:active {
    transform: scale(0.98);
  }

  .hamburger {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: #fff;
    color: var(--navy);
    transition: background 0.2s;
  }

  @media (min-width: 1024px) {
    .hamburger {
      display: none;
    }
  }

  .mobile-menu {
    display: none;
    border-top: 1px solid var(--border);
    background: #fff;
    padding: 12px 20px 20px;
  }

  .mobile-menu.open {
    display: block;
  }

  .mobile-menu a {
    display: flex;
    align-items: center;
    min-height: 46px;
    font-weight: 600;
    color: var(--fg);
    border-bottom: 1px solid #F0F4F8;
  }

  .mobile-menu a.active {
    color: var(--navy);
  }

  .mobile-menu .mobile-cta {
    margin-top: 14px;
    display: flex;
  }

  .container-main {
    width: 100%;
    max-width: 1280px;
    margin-inline: auto;
    padding-inline: 20px;
  }

  @media (min-width: 768px) {
    .container-main {
      padding-inline: 32px;
    }
  }

  .doc-masthead {
    position: relative;
    overflow: hidden;
    background-color: var(--blue-soft);
    background-image: linear-gradient(120deg, rgba(255, 255, 255, 0.95), rgba(237, 244, 253, 0.78)), url('/assets/images/backpic/back-3.webp');
    background-size: cover;
    background-position: center;
    border-bottom: 1px solid var(--border);
  }

  .doc-masthead-inner {
    position: relative;
    z-index: 2;
    padding: 56px 20px 48px;
  }

  @media (min-width: 768px) {
    .doc-masthead-inner {
      padding: 84px 32px 72px;
      max-width: 1080px;
    }
  }

  .breadcrumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--muted);
    margin-bottom: 20px;
  }

  .breadcrumb a {
    transition: color 0.2s;
  }

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

  .breadcrumb-sep {
    color: #B7C2D0;
  }

  .masthead-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 16px;
    padding: 6px 13px;
    border-radius: 999px;
    background: rgba(43, 191, 140, 0.12);
    color: #167B5E;
    font-size: 0.82rem;
    font-weight: 700;
  }

  .masthead-title {
    font-size: clamp(2rem, 3.4vw, 3rem);
    font-weight: 800;
    line-height: 1.2;
    color: var(--navy);
    letter-spacing: -0.03em;
    max-width: 940px;
  }

  .masthead-summary {
    margin-top: 18px;
    font-size: 1.05rem;
    line-height: 1.9;
    color: #3D4E62;
    max-width: 820px;
  }

  .post-meta {
    margin-top: 20px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px 20px;
    font-size: 0.9rem;
    color: var(--muted);
  }

  .post-meta-item {
    display: inline-flex;
    align-items: center;
    gap: 7px;
  }

  .post-meta-item svg {
    opacity: 0.6;
  }

  .story-layout {
    padding: 60px 0 44px;
  }

  @media (min-width: 768px) {
    .story-layout {
      padding: 84px 0 60px;
    }
  }

  .read-card {
    background: #ffffff;
    border: 1px solid var(--border);
    border-radius: 20px;
    box-shadow: 0 4px 16px rgba(16, 24, 40, 0.06);
    padding: 24px;
  }

  @media (min-width: 768px) {
    .read-card {
      padding: 40px;
    }
  }

  /* CMS 正文排版 */
  .story-cms {
    font-size: 1.125rem;
    line-height: 1.9;
    color: var(--fg);
    word-break: break-word;
  }

  .story-cms h2 {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--navy);
    margin: 2.2em 0 0.75em;
    padding-bottom: 0.3em;
    border-bottom: 1px solid var(--border);
  }

  .story-cms h3 {
    font-size: 1.32rem;
    font-weight: 700;
    color: var(--navy);
    margin: 2em 0 0.65em;
  }

  .story-cms h4 {
    font-size: 1.12rem;
    font-weight: 700;
    color: var(--navy);
    margin: 1.8em 0 0.5em;
  }

  .story-cms p {
    margin: 0 0 1.6em;
  }

  .story-cms ul,
  .story-cms ol {
    margin: 0 0 1.6em;
    padding-left: 1.4em;
  }

  .story-cms li {
    margin-bottom: 0.5em;
  }

  .story-cms blockquote {
    position: relative;
    margin: 1.6em 0;
    padding: 18px 22px 18px 28px;
    background: var(--blue-soft);
    border-radius: 12px;
    color: #274A73;
    font-style: normal;
  }

  .story-cms blockquote::before {
    content: "";
    position: absolute;
    left: 0;
    top: 14px;
    bottom: 14px;
    width: 4px;
    border-radius: 99px;
    background: var(--accent);
  }

  .story-cms a {
    color: #167B5E;
    text-decoration: underline;
    text-underline-offset: 4px;
  }

  .story-cms img {
    border-radius: 16px;
    margin: 24px 0;
  }

  .story-cms figure {
    margin: 1.8em 0;
  }

  .story-cms figcaption {
    font-size: 0.86rem;
    color: var(--muted);
    text-align: center;
    margin-top: 10px;
  }

  .story-cms table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.8em 0;
    font-size: 0.95rem;
  }

  .story-cms th,
  .story-cms td {
    border: 1px solid var(--border);
    padding: 12px 14px;
    text-align: left;
  }

  .story-cms th {
    background: var(--blue-soft);
    font-weight: 700;
    color: var(--navy);
  }

  .story-cms pre {
    background: var(--navy-deep);
    color: #E6F0FA;
    padding: 20px;
    border-radius: 14px;
    overflow-x: auto;
    font-size: 0.9rem;
    line-height: 1.7;
    margin: 1.8em 0;
  }

  .story-cms code {
    background: #EEF3F8;
    border-radius: 6px;
    padding: 2px 8px;
    font-size: 0.92em;
  }

  .story-cms pre code {
    background: transparent;
    padding: 0;
    color: inherit;
  }

  .story-cms hr {
    border: 0;
    border-top: 1px solid var(--border);
    margin: 2.4em 0;
  }

  .not-found {
    text-align: center;
    padding: 70px 24px;
  }

  .not-found-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 84px;
    height: 84px;
    border-radius: 28px;
    background: var(--blue-soft);
    color: var(--navy);
    margin-bottom: 20px;
  }

  .not-found h2 {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--navy);
    margin-bottom: 10px;
  }

  .not-found p {
    color: var(--muted);
    margin: 0 auto 24px;
    max-width: 420px;
  }

  .btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 46px;
    padding: 0 24px;
    border-radius: 999px;
    background: var(--accent);
    color: #ffffff;
    font-weight: 700;
    border: none;
    font-size: 0.92rem;
    transition: background 0.2s, box-shadow 0.2s, transform 0.15s;
    box-shadow: 0 8px 22px rgba(43, 191, 140, 0.22);
  }

  .btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
  }

  .btn-primary:active {
    transform: scale(0.98);
  }

  .btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 46px;
    padding: 0 22px;
    border-radius: 999px;
    background: #ffffff;
    color: var(--navy);
    font-weight: 700;
    border: 1px solid #CFDCEA;
    font-size: 0.92rem;
    transition: border 0.2s, background 0.2s, transform 0.15s;
  }

  .btn-secondary:hover {
    border-color: var(--navy);
    background: var(--blue-soft);
  }

  .btn-secondary:active {
    transform: scale(0.98);
  }

  .aside-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 20px;
    box-shadow: 0 4px 16px rgba(16, 24, 40, 0.04);
    overflow: hidden;
  }

  .aside-media {
    position: relative;
    aspect-ratio: 16 / 9;
    background: var(--blue-soft);
  }

  .aside-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }

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

  .aside-title {
    font-size: 1.2rem;
    font-weight: 800;
    margin-bottom: 14px;
  }

  .mini-nav-list {
    list-style: none;
    margin: 0;
    padding: 0;
  }

  .mini-nav-list li + li {
    border-top: 1px solid #F1F5F9;
  }

  .mini-nav-list a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding: 12px 4px;
    font-weight: 600;
    color: #33475B;
    font-size: 0.93rem;
    transition: color 0.2s;
  }

  .mini-nav-list a:hover {
    color: var(--navy);
  }

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

  .aside-list li + li {
    border-top: 1px solid #F1F5F9;
  }

  .aside-list a {
    display: flex;
    gap: 14px;
    padding: 14px 4px;
    transition: background 0.2s;
    border-radius: 8px;
  }

  .aside-list a:hover {
    background: #F8FBFE;
  }

  .aside-thumb {
    width: 76px;
    height: 64px;
    border-radius: 10px;
    object-fit: cover;
    flex-shrink: 0;
  }

  .aside-list-text {
    min-width: 0;
  }

  .aside-list-title {
    font-weight: 700;
    font-size: 0.9rem;
    line-height: 1.55;
    color: var(--fg);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  .aside-list-meta {
    color: var(--muted);
    font-size: 0.78rem;
    margin-top: 6px;
  }

  .article-nav-bottom {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
  }

  .featured-section {
    padding: 54px 0 28px;
  }

  @media (min-width: 768px) {
    .featured-section {
      padding: 70px 0 40px;
    }
  }

  .featured-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 4px 16px rgba(16, 24, 40, 0.04);
    transition: box-shadow 0.2s, transform 0.2s;
  }

  .featured-card:hover {
    box-shadow: 0 12px 30px rgba(16, 24, 40, 0.08);
    transform: translateY(-3px);
  }

  .featured-card-media {
    aspect-ratio: 16 / 10;
    overflow: hidden;
  }

  .featured-card-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
  }

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

  .featured-card-body {
    padding: 22px 22px 24px;
  }

  .featured-tag {
    display: inline-flex;
    align-items: center;
    font-size: 0.78rem;
    font-weight: 700;
    color: #167B5E;
    background: rgba(43, 191, 140, 0.1);
    padding: 3px 10px;
    border-radius: 999px;
    margin-bottom: 10px;
  }

  .featured-card h3 {
    font-size: 1.08rem;
    line-height: 1.45;
    font-weight: 800;
    margin-bottom: 8px;
  }

  .featured-card p {
    color: var(--muted);
    font-size: 0.9rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin: 0 0 16px;
  }

  .featured-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    font-size: 0.82rem;
    color: var(--muted);
  }

  .cta-banner {
    position: relative;
    overflow: hidden;
    background: var(--accent);
    border-radius: 28px;
    color: #ffffff;
    padding: 50px 28px;
    box-shadow: 0 18px 44px rgba(43, 191, 140, 0.26);
  }

  @media (min-width: 768px) {
    .cta-banner {
      padding: 68px 72px;
    }
  }

  .cta-banner::after {
    content: "";
    position: absolute;
    right: -80px;
    top: -120px;
    width: 320px;
    height: 320px;
    background: rgba(255, 255, 255, 0.12);
    border-radius: 50%;
  }

  .cta-banner h2 {
    color: #ffffff;
    font-size: clamp(1.6rem, 3vw, 2.4rem);
    font-weight: 800;
    line-height: 1.25;
    margin-bottom: 12px;
  }

  .cta-banner p {
    color: rgba(255, 255, 255, 0.92);
    max-width: 620px;
    font-size: 1rem;
    margin-bottom: 28px;
  }

  .btn-white {
    position: relative;
    z-index: 2;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 0 30px;
    border-radius: 999px;
    background: #fff;
    color: var(--accent-hover);
    font-weight: 800;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
    transition: transform 0.15s, box-shadow 0.2s;
  }

  .btn-white:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.1);
  }

  .btn-white:active {
    transform: scale(0.98);
  }

  .site-footer {
    background: var(--navy-deep);
    color: rgba(255, 255, 255, 0.82);
    font-size: 0.95rem;
  }

  .footer-logo-text {
    font-size: 1.2rem;
    font-weight: 800;
    color: #ffffff;
  }

  .site-footer h3 {
    color: #ffffff;
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 16px;
  }

  .site-footer a {
    transition: opacity 0.2s, color 0.2s;
    color: rgba(255, 255, 255, 0.72);
  }

  .site-footer a:hover {
    color: #ffffff;
    opacity: 1;
  }

  .focus-visible-outline:focus-visible,
  a:focus-visible,
  button:focus-visible {
    outline: var(--focus-ring);
    outline-offset: 2px;
    border-radius: 8px;
  }

/* roulang page: category2 */
:root {
      --color-primary: #16305F;
      --color-primary-dark: #0F2244;
      --color-deep: #0B1830;
      --color-accent: #2BBF8C;
      --color-accent-hover: #1E9E72;
      --color-gold: #E8B054;
      --color-base: #F7FAFC;
      --color-soft: #EDF4FD;
      --color-surface: #FFFFFF;
      --color-ink: #202A3C;
      --color-muted: #5B6D82;
      --color-line: #E3EAF2;
      --radius-card: 20px;
      --radius-panel: 16px;
      --shadow-card: 0 1px 2px rgba(16,24,40,.04), 0 4px 16px rgba(16,24,40,.06);
      --shadow-hover: 0 8px 28px rgba(16,24,40,.10);
      --font-main: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", sans-serif;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: var(--font-main);
      background: var(--color-base);
      color: var(--color-ink);
      line-height: 1.75;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }

    a {
      color: inherit;
      text-decoration: none;
    }

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

    button {
      font: inherit;
      cursor: pointer;
      background: none;
      border: none;
    }

    a,
    button {
      -webkit-tap-highlight-color: transparent;
    }

    a:focus-visible,
    button:focus-visible {
      outline: 3px solid rgba(43,191,140,.28);
      outline-offset: 2px;
      border-radius: 8px;
    }

    ::selection {
      background: rgba(43,191,140,.18);
      color: var(--color-ink);
    }

    .container-main {
      width: calc(100% - 2rem);
      max-width: 1280px;
      margin-inline: auto;
    }

    .container-narrow {
      width: calc(100% - 2rem);
      max-width: 880px;
      margin-inline: auto;
    }

    /* ===== Header / Nav ===== */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 80;
      background: rgba(255,255,255,.96);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--color-line);
    }

    .header-inner {
      height: 72px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 1rem;
    }

    .brand-link {
      display: inline-flex;
      align-items: center;
      gap: .6rem;
      font-weight: 800;
      font-size: 1.125rem;
      letter-spacing: .01em;
      color: var(--color-primary);
      white-space: nowrap;
    }

    .brand-mark {
      width: 38px;
      height: 38px;
      border-radius: 12px;
      background: var(--color-primary);
      color: #fff;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      flex: 0 0 38px;
    }

    .nav-link {
      position: relative;
      display: inline-flex;
      align-items: center;
      font-weight: 600;
      font-size: .9375rem;
      color: var(--color-muted);
      padding: 8px 2px;
      transition: color .2s;
    }

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

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

    .nav-link.active::after {
      content: "";
      position: absolute;
      left: 0;
      right: 0;
      bottom: -8px;
      height: 3px;
      border-radius: 4px 4px 0 0;
      background: var(--color-accent);
    }

    .mobile-menu-trigger {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 44px;
      height: 44px;
      border-radius: 12px;
      color: var(--color-primary);
      border: 1px solid var(--color-line);
      background: #fff;
    }

    .mobile-nav {
      background: #fff;
      border-top: 1px solid var(--color-line);
      padding: 8px 0 20px;
    }

    .mobile-nav-link {
      display: block;
      padding: 13px 16px;
      border-radius: 12px;
      font-weight: 600;
      color: var(--color-ink);
      font-size: 1rem;
    }

    .mobile-nav-link:hover,
    .mobile-nav-link.active {
      background: var(--color-soft);
      color: var(--color-primary);
    }

    /* ===== Buttons ===== */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: .5rem;
      border-radius: 999px;
      font-weight: 700;
      font-size: .9375rem;
      line-height: 1.2;
      padding: .85rem 1.6rem;
      transition: transform .2s ease, background .2s ease, color .2s ease, border-color .2s ease, box-shadow .2s ease;
      min-height: 44px;
      border: 1px solid transparent;
    }

    .btn-sm {
      min-height: 40px;
      padding: .5rem 1.15rem;
      font-size: .875rem;
    }

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

    .btn-primary:hover {
      background: var(--color-accent-hover);
      border-color: var(--color-accent-hover);
      transform: translateY(-2px);
      box-shadow: 0 10px 22px rgba(43,191,140,.22);
    }

    .btn-primary:active {
      transform: scale(.98);
    }

    .btn-secondary {
      background: #fff;
      border-color: var(--color-line);
      color: var(--color-primary);
    }

    .btn-secondary:hover {
      background: var(--color-soft);
      border-color: var(--color-primary);
      transform: translateY(-2px);
    }

    .btn-secondary:active {
      transform: scale(.98);
    }

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

    .btn-white:hover {
      background: rgba(255,255,255,.9);
      transform: translateY(-2px);
      box-shadow: 0 10px 24px rgba(0,0,0,.08);
    }

    .btn-white:active {
      transform: scale(.98);
    }

    /* ===== Page Hero ===== */
    .page-hero {
      position: relative;
      padding: 76px 0 88px;
      background:
        radial-gradient(circle at 84% 18%, rgba(232,176,84,.18), transparent 26%),
        radial-gradient(circle at 8% 92%, rgba(43,191,140,.12), transparent 28%),
        linear-gradient(120deg, #EDF4FD 0%, #F5FAFF 50%, #FFFFFF 100%);
      border-bottom: 1px solid var(--color-line);
      overflow: hidden;
    }

    .page-hero::before {
      content: "";
      position: absolute;
      inset: 0;
      background-image:
        linear-gradient(rgba(22,48,95,.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(22,48,95,.05) 1px, transparent 1px);
      background-size: 52px 52px;
      pointer-events: none;
      mask-image: linear-gradient(to right, transparent, black 20%, black 85%, transparent);
      -webkit-mask-image: linear-gradient(to right, transparent, black 20%, black 85%, transparent);
    }

    .hero-grid {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
      align-items: center;
      gap: 3.5rem;
    }

    .breadcrumb {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: .6rem;
      font-size: .875rem;
      color: var(--color-muted);
      list-style: none;
      padding: 0;
      margin: 0 0 1.25rem;
    }

    .breadcrumb a {
      color: var(--color-muted);
      transition: color .2s;
    }

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

    .breadcrumb li:last-child {
      color: var(--color-primary);
      font-weight: 600;
    }

    .eyebrow-chip {
      display: inline-flex;
      align-items: center;
      gap: .5rem;
      font-size: .875rem;
      font-weight: 700;
      color: var(--color-accent-hover);
      background: rgba(43,191,140,.1);
      border: 1px solid rgba(43,191,140,.18);
      padding: .3rem .8rem;
      border-radius: 999px;
    }

    .hero-title {
      font-size: clamp(2rem, 3vw + .4rem, 2.625rem);
      line-height: 1.22;
      font-weight: 800;
      color: var(--color-primary);
      letter-spacing: -.01em;
      margin: 1.25rem 0 1.25rem;
    }

    .hero-lead {
      font-size: 1.0625rem;
      line-height: 1.9;
      color: var(--color-muted);
      max-width: 560px;
      margin: 0 0 2rem;
    }

    .hero-meta-row {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 1.4rem;
      margin-top: 1.5rem;
      padding-top: 1.25rem;
      border-top: 1px solid rgba(22,48,95,.1);
    }

    .hero-meta-item {
      display: inline-flex;
      align-items: center;
      gap: .45rem;
      font-size: .875rem;
      font-weight: 600;
      color: var(--color-primary);
    }

    .hero-meta-item svg {
      color: var(--color-accent);
    }

    .hero-media {
      position: relative;
    }

    .hero-main-image {
      position: relative;
      border-radius: 26px;
      border: 1px solid var(--color-line);
      box-shadow: var(--shadow-card);
      overflow: hidden;
      aspect-ratio: 4 / 3;
      background: var(--color-soft);
    }

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

    .hero-main-image::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, rgba(11,24,48,0) 45%, rgba(11,24,48,.3) 100%);
    }

    .hero-float-card {
      position: absolute;
      right: -18px;
      bottom: 38px;
      background: #fff;
      border: 1px solid var(--color-line);
      border-radius: 18px;
      padding: 16px 20px;
      box-shadow: var(--shadow-hover);
      z-index: 2;
      min-width: 168px;
    }

    .hero-float-card strong {
      display: block;
      color: var(--color-primary);
      font-size: 1.125rem;
      line-height: 1.4;
    }

    .hero-float-card span {
      font-size: .8125rem;
      color: var(--color-muted);
    }

    /* ===== Quick stats ===== */
    .quick-stats {
      padding: 52px 0 40px;
    }

    .stat-panel {
      background: #fff;
      border: 1px solid var(--color-line);
      border-radius: var(--radius-panel);
      box-shadow: var(--shadow-card);
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      overflow: hidden;
    }

    .stat-cell {
      padding: 26px 28px;
      border-left: 1px solid var(--color-line);
    }

    .stat-cell:first-child {
      border-left: 0;
    }

    .stat-number {
      display: flex;
      align-items: baseline;
      gap: .25rem;
      font-size: 1.9rem;
      font-weight: 800;
      color: var(--color-primary);
      line-height: 1.2;
    }

    .stat-number small {
      font-size: .875rem;
      color: var(--color-muted);
      font-weight: 600;
    }

    .stat-label {
      color: var(--color-muted);
      font-size: .875rem;
      margin-top: .15rem;
    }

    /* ===== Section headline ===== */
    .section-space {
      padding: 86px 0;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: .5rem;
      font-size: .8125rem;
      font-weight: 700;
      letter-spacing: .08em;
      color: var(--color-accent-hover);
      text-transform: uppercase;
    }

    .section-title {
      font-size: clamp(1.625rem, 2.4vw, 2.25rem);
      line-height: 1.32;
      color: var(--color-primary);
      font-weight: 800;
      margin: .6rem 0 .8rem;
    }

    .section-desc {
      font-size: 1rem;
      line-height: 1.9;
      color: var(--color-muted);
      max-width: 620px;
    }

    .section-head {
      display: grid;
      grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
      align-items: end;
      gap: 1.75rem;
    }

    .section-head-right {
      justify-self: end;
    }

    /* ===== Benefit list ===== */
    .benefit-list {
      display: flex;
      flex-direction: column;
      gap: 1.25rem;
      margin-top: 2.5rem;
    }

    .benefit-row {
      display: grid;
      grid-template-columns: 64px minmax(0, 1fr) auto;
      align-items: center;
      gap: 1.75rem;
      background: var(--color-surface);
      border: 1px solid var(--color-line);
      border-radius: var(--radius-card);
      padding: 1.75rem 2rem;
      transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
    }

    .benefit-row:hover {
      transform: translateY(-2px);
      box-shadow: var(--shadow-hover);
      border-color: rgba(43,191,140,.35);
    }

    .benefit-icon {
      width: 64px;
      height: 64px;
      border-radius: 18px;
      background: var(--color-soft);
      color: var(--color-primary);
      display: flex;
      align-items: center;
      justify-content: center;
      flex: 0 0 64px;
    }

    .benefit-main h3 {
      font-size: 1.125rem;
      font-weight: 700;
      color: var(--color-ink);
      margin: 0 0 .3rem;
    }

    .benefit-main p {
      margin: 0;
      color: var(--color-muted);
      font-size: .9375rem;
      line-height: 1.8;
      max-width: 680px;
    }

    .benefit-tags {
      display: flex;
      flex-direction: column;
      align-items: flex-end;
      gap: .3rem;
    }

    .tag-access {
      display: inline-flex;
      align-items: center;
      gap: .35rem;
      font-size: .75rem;
      font-weight: 600;
      border-radius: 999px;
      padding: .25rem .7rem;
      border: 1px solid var(--color-line);
      color: var(--color-muted);
      background: #fff;
      white-space: nowrap;
    }

    .tag-access.tag-starter {
      color: var(--color-muted);
    }

    .tag-access.tag-growth {
      color: var(--color-accent-hover);
      background: rgba(43,191,140,.08);
      border-color: rgba(43,191,140,.2);
    }

    .tag-access.tag-premium {
      color: #A87413;
      background: rgba(232,176,84,.12);
      border-color: rgba(232,176,84,.32);
    }

    /* ===== Level guide ===== */
    .level-guide {
      background: var(--color-primary);
      padding: 80px 0 84px;
      color: #fff;
      position: relative;
      overflow: hidden;
    }

    .level-guide::before {
      content: "";
      position: absolute;
      width: 360px;
      height: 360px;
      border-radius: 50%;
      background: rgba(232,176,84,.08);
      top: -120px;
      right: -80px;
    }

    .level-guide .eyebrow {
      color: var(--color-gold);
    }

    .level-guide .section-title {
      color: #fff;
    }

    .level-guide .section-desc {
      color: rgba(255,255,255,.7);
    }

    .level-grid {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      border-radius: 24px;
      overflow: hidden;
      margin-top: 2.5rem;
      border: 1px solid rgba(255,255,255,.12);
    }

    .level-cell {
      padding: 2rem 2rem 2.2rem;
      background: rgba(255,255,255,.05);
      border-left: 1px solid rgba(255,255,255,.1);
      transition: background .25s ease;
    }

    .level-cell:first-child {
      border-left: 0;
    }

    .level-cell.highlight {
      background: rgba(232,176,84,.1);
      box-shadow: inset 0 0 0 1px rgba(232,176,84,.45);
    }

    .level-name {
      font-size: 1.125rem;
      font-weight: 800;
      color: #fff;
      display: flex;
      align-items: center;
      gap: .5rem;
    }

    .level-cell.highlight .level-name {
      color: var(--color-gold);
    }

    .level-cell p {
      font-size: .9375rem;
      color: rgba(255,255,255,.7);
      line-height: 1.85;
      margin: .6rem 0 .9rem;
    }

    .level-purpose {
      display: inline-flex;
      font-size: .75rem;
      font-weight: 700;
      border-radius: 999px;
      padding: .25rem .7rem;
      background: rgba(255,255,255,.12);
      color: #fff;
    }

    .level-cell.highlight .level-purpose {
      background: rgba(232,176,84,.16);
      color: var(--color-gold);
    }

    /* ===== Step process ===== */
    .process-section {
      background: #fff;
      border-top: 1px solid var(--color-line);
      border-bottom: 1px solid var(--color-line);
    }

    .steps-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 1.25rem;
      margin-top: 2.5rem;
    }

    .step-card {
      position: relative;
      background: var(--color-base);
      border: 1px solid var(--color-line);
      border-radius: var(--radius-panel);
      padding: 1.75rem 1.5rem;
      min-height: 218px;
      transition: transform .25s ease, box-shadow .25s ease;
    }

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

    .step-num {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 42px;
      height: 42px;
      border-radius: 14px;
      background: var(--color-accent);
      color: #fff;
      font-weight: 800;
      font-size: 1rem;
      margin-bottom: 1rem;
    }

    .step-card h3 {
      font-size: 1.1rem;
      color: var(--color-primary);
      margin: 0 0 .4rem;
    }

    .step-card p {
      font-size: .875rem;
      color: var(--color-muted);
      line-height: 1.8;
      margin: 0;
    }

    .step-card:not(:last-child)::after {
      content: "";
      position: absolute;
      right: -17px;
      top: 36px;
      width: 22px;
      height: 2px;
      background: repeating-linear-gradient(90deg, var(--color-accent) 0 4px, transparent 4px 8px);
    }

    .process-note {
      display: flex;
      align-items: center;
      gap: .5rem;
      margin-top: 1.5rem;
      font-size: .875rem;
      color: var(--color-muted);
      background: var(--color-soft);
      border-radius: 14px;
      padding: .85rem 1.25rem;
    }

    .process-note svg {
      color: var(--color-accent-hover);
      flex: 0 0 18px;
    }

    /* ===== Scenarios ===== */
    .scenario-section {
      background: var(--color-base);
    }

    .scenario-grid-main {
      display: grid;
      grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
      gap: 1.5rem;
      margin-top: 2rem;
    }

    .scenario-card-large {
      background: #fff;
      border: 1px solid var(--color-line);
      border-radius: var(--radius-card);
      overflow: hidden;
      transition: transform .25s ease, box-shadow .25s ease;
    }

    .scenario-card-large:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-hover);
    }

    .scenario-card-img {
      aspect-ratio: 16 / 9;
      background: var(--color-soft);
      overflow: hidden;
    }

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

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

    .scenario-card-body {
      padding: 1.75rem 2rem 2.2rem;
    }

    .scenario-card-body h3 {
      font-size: 1.2rem;
      font-weight: 700;
      color: var(--color-ink);
      margin: 0 0 .4rem;
    }

    .scenario-card-body p {
      color: var(--color-muted);
      font-size: .9375rem;
      line-height: 1.8;
      margin: 0 0 1rem;
    }

    .scenario-points {
      list-style: none;
      padding: 0;
      margin: 0;
      display: flex;
      flex-direction: column;
      gap: .45rem;
    }

    .scenario-points li {
      display: flex;
      gap: .5rem;
      font-size: .875rem;
      color: var(--color-ink);
    }

    .scenario-points svg {
      color: var(--color-accent-hover);
      width: 18px;
      height: 18px;
      flex: 0 0 18px;
      margin-top: 4px;
    }

    .scenario-col {
      display: flex;
      flex-direction: column;
      gap: 1.5rem;
    }

    .scenario-small-card {
      display: flex;
      flex-direction: column;
      background: #fff;
      border: 1px solid var(--color-line);
      border-radius: var(--radius-card);
      padding: 1.5rem 1.75rem;
      transition: transform .25s ease, box-shadow .25s ease;
      flex: 1;
    }

    .scenario-small-card:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-hover);
    }

    .scenario-icon {
      width: 46px;
      height: 46px;
      border-radius: 14px;
      background: var(--color-soft);
      color: var(--color-primary);
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 1rem;
    }

    .scenario-small-card h3 {
      font-size: 1rem;
      font-weight: 700;
      color: var(--color-ink);
      margin: 0 0 .35rem;
    }

    .scenario-small-card p {
      font-size: .875rem;
      color: var(--color-muted);
      line-height: 1.8;
      margin: 0;
    }

    .scenario-small-tag {
      display: inline-flex;
      align-items: center;
      align-self: flex-start;
      margin-top: 1rem;
      font-size: .75rem;
      font-weight: 600;
      color: var(--color-accent-hover);
      background: rgba(43,191,140,.1);
      border-radius: 999px;
      padding: .2rem .7rem;
    }

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

    .faq-panel {
      max-width: 880px;
      margin: 2.5rem auto 0;
    }

    .faq-item {
      background: #fff;
      border: 1px solid var(--color-line);
      border-radius: var(--radius-panel);
      padding: 0;
      margin-bottom: .9rem;
      overflow: hidden;
      transition: border-color .25s, box-shadow .25s, background .25s;
    }

    .faq-item.open {
      border-color: rgba(43,191,140,.4);
      background: #FBFEFF;
      box-shadow: var(--shadow-card);
    }

    .faq-question-btn {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 1rem;
      width: 100%;
      padding: 1.1rem 1.4rem;
      text-align: left;
      min-height: 56px;
      font-weight: 700;
      font-size: 1rem;
      color: var(--color-ink);
      background: transparent;
      cursor: pointer;
    }

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

    .faq-arrow {
      display: inline-flex;
      flex: 0 0 30px;
      width: 30px;
      height: 30px;
      align-items: center;
      justify-content: center;
      border-radius: 10px;
      background: var(--color-soft);
      color: var(--color-primary);
      transition: transform .3s ease, background .3s ease;
    }

    .faq-item.open .faq-arrow {
      transform: rotate(180deg);
      background: rgba(43,191,140,.14);
      color: var(--color-accent-hover);
    }

    .faq-answer {
      display: none;
      padding: 0 1.5rem 1.5rem;
      font-size: .9375rem;
      line-height: 1.9;
      color: var(--color-muted);
      border-top: 1px dashed var(--color-line);
      margin-top: .2rem;
    }

    .faq-item.open .faq-answer {
      display: block;
      padding-top: 1.1rem;
    }

    /* ===== CTA Banner ===== */
    .cta-section {
      padding: 72px 0 0;
    }

    .cta-banner {
      position: relative;
      border-radius: 26px;
      color: #fff;
      overflow: hidden;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 2rem;
      padding: 3rem 3.25rem;
      background:
        linear-gradient(115deg, rgba(22,48,95,.12), rgba(11,24,48,.08)),
        linear-gradient(125deg, #1EA97C, #0F8F68 72%, #0B7960),
        url("/assets/images/backpic/back-1.webp") center / cover;
      border: 1px solid rgba(43,191,140,.5);
      box-shadow: var(--shadow-hover);
    }

    .cta-banner::before {
      content: "";
      position: absolute;
      right: -70px;
      top: -70px;
      width: 230px;
      height: 230px;
      border-radius: 50%;
      background: rgba(255,255,255,.1);
    }

    .cta-banner h2 {
      font-size: clamp(1.5rem, 2.3vw, 2.125rem);
      line-height: 1.3;
      font-weight: 800;
      margin: 0 0 .4rem;
      position: relative;
      z-index: 2;
    }

    .cta-banner p {
      font-size: 1rem;
      color: rgba(255,255,255,.85);
      margin: 0;
      position: relative;
      z-index: 2;
      max-width: 590px;
    }

    .cta-banner .btn-white {
      position: relative;
      z-index: 2;
      flex: 0 0 auto;
    }

    /* ===== Footer ===== */
    .site-footer {
      margin-top: 76px;
      background: var(--color-deep);
      color: rgba(255,255,255,.92);
    }

    .footer-logo-text {
      font-weight: 800;
      font-size: 1.15rem;
      color: #fff;
    }

    .site-footer h3 {
      letter-spacing: .04em;
    }

    .site-footer a {
      transition: color .2s;
    }

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

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

    /* ===== Mobile/tablet responsive ===== */
    @media (max-width: 1024px) {
      .hero-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
      }

      .page-hero {
        padding-top: 56px;
      }

      .hero-media {
        max-width: 600px;
        width: 100%;
      }

      .section-head {
        grid-template-columns: 1fr;
        align-items: start;
      }

      .section-head-right {
        justify-self: start;
      }

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

      .step-card:not(:last-child)::after {
        display: none;
      }

      .scenario-grid-main {
        grid-template-columns: 1fr;
      }

      .level-grid {
        grid-template-columns: 1fr;
        border-radius: 18px;
      }

      .level-cell {
        border-left: 0;
        border-top: 1px solid rgba(255,255,255,.1);
      }

      .level-cell:first-child {
        border-top: 0;
      }
    }

    @media (max-width: 768px) {
      .section-space {
        padding: 58px 0;
      }

      .header-inner {
        height: 64px;
      }

      .brand-link {
        font-size: 1rem;
      }

      .brand-mark {
        width: 34px;
        height: 34px;
        flex-basis: 34px;
        border-radius: 10px;
      }

      .benefit-row {
        grid-template-columns: 1fr;
        gap: 1rem;
        padding: 1.4rem 1.4rem;
      }

      .benefit-tags {
        flex-direction: row;
        flex-wrap: wrap;
        align-items: center;
      }

      .stat-panel {
        grid-template-columns: 1fr 1fr;
      }

      .level-guide {
        padding: 58px 0;
      }

      .process-section {
        padding: 58px 0;
      }

      .faq-section {
        padding: 58px 0;
      }

      .cta-section {
        padding-top: 46px;
      }

      .cta-banner {
        flex-direction: column;
        align-items: flex-start;
        padding: 2rem 1.75rem;
        border-radius: 20px;
      }

      .site-footer {
        margin-top: 56px;
      }
    }

    @media (max-width: 640px) {
      .container-main {
        width: calc(100% - 1.25rem);
      }

      .container-narrow {
        width: calc(100% - 1.25rem);
      }

      .hero-grid {
        gap: 1.75rem;
      }

      .hero-meta-row {
        gap: .9rem 1rem;
      }

      .hero-float-card {
        right: 10px;
        bottom: -14px;
        left: 10px;
        min-width: 0;
      }

      .stat-panel {
        grid-template-columns: 1fr;
      }

      .stat-cell {
        border-left: 0;
        border-top: 1px solid var(--color-line);
      }

      .stat-cell:first-child {
        border-top: 0;
      }

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

      .step-card {
        min-height: 0;
      }

      .scenario-small-card {
        padding: 1.4rem 1.5rem;
      }

      .faq-question-btn {
        padding: 1rem 1.1rem;
        font-size: .9375rem;
      }

      .faq-answer {
        padding: 0 1.1rem 1.2rem;
      }

      .faq-item.open .faq-answer {
        padding-top: .9rem;
      }
    }