/* roulang page: index */
:root {
    --brand: #0066CC;
    --brand-deep: #004C99;
    --brand-deeper: #003366;
    --brand-deepest: #0B1F33;
    --accent: #F97316;
    --accent-deep: #EA580C;
    --bg-main: #F8FAFC;
    --bg-soft: #F1F5F9;
    --bg-card: #FFFFFF;
    --text-main: #1E293B;
    --text-sub: #64748B;
    --text-light: #94A3B8;
    --text-on-dark: #E2E8F0;
    --border-line: #E2E8F0;
    --radius-lg: 16px;
    --radius-md: 12px;
    --shadow-card: 0 1px 3px rgba(15, 23, 42, .06), 0 1px 2px rgba(15, 23, 42, .04);
    --shadow-hover: 0 20px 35px -12px rgba(15, 23, 42, .18), 0 6px 12px rgba(15, 23, 42, .06);
  }
  * { box-sizing: border-box; }
  html { scroll-behavior: smooth; }
  body {
    margin: 0;
    font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
    background: var(--bg-main);
    color: var(--text-main);
    font-size: 16px;
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
  }
  img { max-width: 100%; display: block; }
  a { color: inherit; text-decoration: none; transition: all .2s ease-in-out; }
  button { font-family: inherit; }
  a:focus-visible, button:focus-visible {
    outline: none;
    box-shadow: 0 0 0 4px rgba(249, 115, 22, .35);
    border-radius: 8px;
  }

  .site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(255, 255, 255, .82);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(226, 232, 240, .72);
  }

  .header-inner {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 74px;
    gap: 12px;
  }
  .header-inner .nav-area { width: 38%; }
  .logo-area { flex: 1; display: flex; justify-content: center; }
  .logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    min-height: 44px;
    border-radius: 16px;
    padding: 4px 8px;
  }
  .logo-mark {
    width: 34px;
    height: 34px;
    border-radius: 12px;
    background: linear-gradient(135deg, #0066CC, #00A3D9);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 900;
    font-size: 17px;
    letter-spacing: -1px;
    box-shadow: 0 6px 14px -6px rgba(0, 102, 204, .5);
  }
  .logo-mark::after {
    content: "";
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #F97316;
    border: 2px solid #fff;
    margin-left: -5px;
    margin-top: -10px;
  }
  .logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
  }
  .logo-name {
    font-weight: 800;
    font-size: 19px;
    color: var(--brand-deep);
    letter-spacing: .2px;
  }
  .logo-sub {
    font-size: 11px;
    color: #64748B;
    letter-spacing: 1.2px;
    font-weight: 600;
    margin-top: 3px;
  }
  .nav-menu { display: flex; align-items: center; gap: 6px; }
  .nav-link {
    display: inline-flex;
    align-items: center;
    min-height: 42px;
    padding: 0 12px;
    border-radius: 999px;
    font-weight: 600;
    font-size: 15px;
    color: #334155;
  }
  .nav-link:hover { color: var(--brand); background: #EFF6FF; }
  .nav-link.is-active { color: var(--brand); background: #EFF6FF; }
  .header-cta .btn { padding: 0 20px; font-size: 14px; min-height: 42px; }

  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border-radius: 12px;
    border: 0;
    min-height: 46px;
    padding: 0 24px;
    font-weight: 600;
    cursor: pointer;
    transition: all .2s ease-in-out;
    font-size: 15px;
    white-space: nowrap;
  }
  .btn-main {
    color: #fff;
    background: linear-gradient(135deg, #F97316, #FF6B35);
    box-shadow: 0 8px 20px -8px rgba(249, 115, 22, .65);
  }
  .btn-main:hover {
    background: linear-gradient(135deg, #ff7f25, #ff7640);
    transform: translateY(-2px);
    box-shadow: 0 16px 26px -8px rgba(249, 115, 22, .65);
  }
  .btn-main:active { transform: translateY(0); box-shadow: 0 5px 14px rgba(249, 115, 22, .45); }
  .btn-ghost-white {
    color: #fff;
    background: rgba(255, 255, 255, .06);
    border: 1px solid rgba(255, 255, 255, .45);
  }
  .btn-ghost-white:hover { background: rgba(255, 255, 255, .14); border-color: #fff; transform: translateY(-2px); }
  .btn-sm { min-height: 38px; padding: 0 16px; font-size: 14px; border-radius: 10px; }

  .mobile-menu-toggle { display: none; }

  .mobile-menu {
    display: none;
    position: fixed;
    inset: 76px 12px auto 12px;
    background: #fff;
    border-radius: 20px;
    box-shadow: 0 24px 60px -16px rgba(15, 23, 42, .3);
    border: 1px solid #E2E8F0;
    padding: 20px 16px 24px;
    z-index: 49;
  }
  .mobile-menu.is-open { display: block; }
  .mobile-menu .mobile-menu-list { display: flex; flex-direction: column; gap: 4px; }
  .mobile-menu .nav-link {
    width: 100%;
    justify-content: flex-start;
    border-radius: 12px;
    padding: 12px 14px;
    font-size: 16px;
  }
  .mobile-menu .btn { width: 100%; margin-top: 16px; }

  .hero {
    position: relative;
    min-height: 88vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    color: #fff;
    background: linear-gradient(135deg, #0B1F33 0%, #0E2E4D 45%, #155E9E 100%);
  }
  .hero-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    opacity: .22;
    transform: scale(1.04);
  }
  .hero-frost {
    position: absolute;
    inset: 0;
    background:
      radial-gradient(ellipse at 20% 15%, rgba(120, 190, 255, .18), transparent 46%),
      radial-gradient(ellipse at 86% 78%, rgba(0, 130, 200, .22), transparent 40%),
      linear-gradient(115deg, rgba(11, 31, 51, .85) 0%, rgba(11, 31, 51, .55) 46%, rgba(11, 31, 51, .25) 100%);
  }
  .hero-inner {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1.05fr .95fr;
    align-items: center;
    gap: 48px;
    padding-top: 42px;
    padding-bottom: 52px;
  }
  .hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: rgba(255, 255, 255, .1);
    border: 1px solid rgba(255, 255, 255, .2);
    padding: 8px 16px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 600;
    color: #BFDBFE;
    letter-spacing: 1px;
    backdrop-filter: blur(8px);
  }
  .hero h1 {
    font-size: clamp(38px, 5vw, 58px);
    line-height: 1.2;
    font-weight: 800;
    letter-spacing: .3px;
    margin: 24px 0 20px;
  }
  .hero h1 .brand {
    display: block;
    background: linear-gradient(135deg, #ffffff, #BFDBFE);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
  }
  .hero h1 .breakline { display: block; }
  .hero-sub { color: #BFDBFE; max-width: 560px; font-size: 17px; line-height: 1.85; margin-bottom: 32px; }
  .hero-cta-row { display: flex; flex-wrap: wrap; gap: 14px; }
  .hero-note {
    list-style: none;
    margin: 26px 0 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 18px;
    color: #94A3B8;
    font-size: 14px;
  }
  .hero-note li { display: inline-flex; align-items: center; gap: 8px; }
  .hero-note li::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: #F97316; }

  .hero-panel {
    position: relative;
    background: rgba(15, 42, 68, .62);
    border: 1px solid rgba(255, 255, 255, .18);
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 32px 70px -26px rgba(0, 0, 0, .6);
    backdrop-filter: blur(10px);
  }
  .hero-panel-img { height: 300px; position: relative; }
  .hero-panel-img::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 35%, rgba(11, 31, 51, .92) 100%);
  }
  .hero-panel-content { padding: 22px 26px 26px; }
  .hero-panel-tag {
    display: inline-flex;
    align-items: center;
    background: linear-gradient(135deg, #F97316, #FF6B35);
    color: #fff;
    font-size: 13px;
    font-weight: 700;
    padding: 5px 14px;
    border-radius: 999px;
    letter-spacing: .5px;
  }
  .hero-panel h2 { color: #F8FAFC; font-size: 22px; margin: 14px 0 8px; font-weight: 700; }
  .hero-panel p { color: #94A3B8; font-size: 14px; line-height: 1.8; margin: 0; }
  .hero-scroll {
    position: absolute;
    left: 50%;
    bottom: 14px;
    transform: translateX(-50%);
    z-index: 5;
    color: #E2E8F0;
    font-size: 11px;
    letter-spacing: 2px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    opacity: .7;
  }
  .hero-scroll::after {
    content: "";
    width: 1px;
    height: 34px;
    background: rgba(255, 255, 255, .7);
    animation: pulse 1.6s infinite;
  }
  @keyframes pulse { 0% { opacity: .3; } 50% { opacity: .9; } 100% { opacity: .3; } }

  .stat-section {
    background: #fff;
    border-bottom: 1px solid #E2E8F0;
    margin-top: -1px;
  }
  .stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    padding: 32px 0;
  }
  .stat-card {
    border: 1px solid #EDF2F7;
    border-radius: 16px;
    padding: 24px 18px;
    background: #F8FAFC;
    position: relative;
    overflow: hidden;
    transition: all .25s ease-in-out;
  }
  .stat-card.highlight {
    background: linear-gradient(135deg, #0066CC, #00A3D9);
    border-color: transparent;
    color: #fff;
  }
  .stat-card.highlight .stat-label, .stat-card.highlight .stat-desc { color: #DBEAFE; }
  .stat-card:hover { transform: translateY(-5px); box-shadow: 0 18px 30px -16px rgba(15, 23, 42, .18); }
  .stat-dot {
    content: "";
    position: absolute;
    width: 92px;
    height: 92px;
    border-radius: 50%;
    background: rgba(0, 102, 204, .08);
    top: -34px;
    right: -26px;
  }
  .stat-card.highlight .stat-dot { background: rgba(255, 255, 255, .14); }
  .stat-number {
    display: flex;
    align-items: baseline;
    gap: 2px;
    font-family: "DIN Alternate", "Roboto Condensed", "Segoe UI", sans-serif;
    font-size: 32px;
    font-weight: 800;
    color: #0B1F33;
    line-height: 1;
    margin-bottom: 8px;
    position: relative;
    z-index: 1;
  }
  .stat-card.highlight .stat-number { color: #fff; }
  .stat-number sup { font-size: 18px; font-weight: 800; color: #F97316; }
  .stat-card.highlight .stat-number sup { color: #FFD2A1; }
  .stat-label { font-size: 15px; font-weight: 600; color: #334155; }
  .stat-desc { font-size: 13px; color: #94A3B8; margin-top: 5px; }

  .section-block { padding: 90px 0; }
  .section-block.soft { background: #F8FAFC; }
  .section-block.white { background: #fff; }
  .section-tag {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    color: #0066CC;
    background: #EFF6FF;
    border-radius: 999px;
    padding: 6px 14px;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: .5px;
  }
  .section-tag::before {
    content: "";
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #F97316;
  }
  .section-title { font-size: clamp(28px, 3.2vw, 38px); font-weight: 800; line-height: 1.3; margin: 14px 0 12px; color: #0B1F33; }
  .section-desc { max-width: 720px; font-size: 16px; color: #64748B; line-height: 1.85; margin: 0; }
  .section-head { margin-bottom: 52px; }

  .play-row {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 48px;
    align-items: center;
    margin-bottom: 58px;
  }
  .play-row.reverse .play-img { order: 2; }
  .play-row.reverse .play-copy { order: 1; }
  .play-img {
    position: relative;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 -3px 24px rgba(0, 0, 0, .08);
  }
  .play-img img {
    width: 100%;
    height: 290px;
    object-fit: cover;
    transition: transform .6s ease;
  }
  .play-img:hover img { transform: scale(1.05); }
  .play-badge-num {
    position: absolute;
    top: 18px;
    left: 18px;
    min-width: 52px;
    height: 52px;
    background: rgba(255, 255, 255, .78);
    backdrop-filter: blur(8px);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: "DIN Alternate", "Roboto Condensed", sans-serif;
    font-weight: 800;
    font-size: 22px;
    color: #0066CC;
    box-shadow: 0 10px 24px -12px rgba(15, 23, 42, .35);
  }
  .play-step-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 700;
    color: #0066CC;
    margin-bottom: 10px;
    letter-spacing: .5px;
  }
  .play-step-label::after { content: ""; width: 34px; height: 2px; background: #F97316; border-radius: 4px; }
  .play-title { font-size: 26px; font-weight: 700; line-height: 1.4; margin: 0 0 12px; color: #0B1F33; }
  .play-desc { color: #475569; font-size: 16px; line-height: 1.9; margin: 0 0 18px; }
  .play-tip {
    background: #F1F5F9;
    border-radius: 14px;
    padding: 14px 18px;
    color: #475569;
    font-size: 14px;
    display: flex;
    gap: 10px;
    align-items: flex-start;
    border-left: 4px solid #F97316;
  }
  .play-tip strong { color: #0B1F33; font-weight: 600; }

  .reward-section {
    background: #0B1F33;
    position: relative;
    overflow: hidden;
    color: #E2E8F0;
  }
  .reward-section::before {
    content: "";
    position: absolute;
    top: -160px;
    right: -80px;
    width: 480px;
    height: 480px;
    background: radial-gradient(circle, rgba(0, 102, 204, .3), transparent 65%);
    pointer-events: none;
  }
  .reward-section::after {
    content: "";
    position: absolute;
    left: -120px;
    bottom: -80px;
    width: 360px;
    height: 360px;
    background: radial-gradient(circle, rgba(249, 115, 22, .2), transparent 65%);
    pointer-events: none;
  }
  .reward-section .container { position: relative; z-index: 2; }
  .reward-section .section-title { color: #fff; }
  .reward-section .section-desc { color: #94A3B8; }
  .reward-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
  .reward-main {
    grid-column: span 2;
    background: linear-gradient(135deg, #10314F, #0C263E);
    border: 1px solid rgba(255, 255, 255, .14);
    border-radius: 28px;
    padding: 40px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 286px;
    position: relative;
    overflow: hidden;
  }
  .reward-main::after {
    content: "";
    position: absolute;
    width: 280px;
    height: 280px;
    right: -60px;
    top: -60px;
    border-radius: 40px;
    background: rgba(0, 118, 200, .24);
    transform: rotate(30deg);
  }
  .reward-main-sub {
    background: linear-gradient(135deg, #F97316, #FF6B35);
    color: #fff;
    font-size: 13px;
    font-weight: 700;
    padding: 6px 14px;
    border-radius: 999px;
    width: fit-content;
  }
  .reward-main h3 { font-size: 32px; color: #fff; line-height: 1.3; margin: 18px 0 8px; font-weight: 800; }
  .reward-main p { color: #94A3B8; font-size: 14px; max-width: 400px; }
  .reward-price { font-family: "DIN Alternate", "Roboto Condensed", sans-serif; font-size: 42px; font-weight: 800; color: #fff; margin-top: 22px; }
  .reward-price span { color: #F97316; font-size: 16px; font-weight: 700; margin-left: 4px; }
  .reward-card-list { display: flex; flex-direction: column; gap: 18px; }
  .reward-card {
    background: #fff;
    color: #1E293B;
    border-radius: 20px;
    padding: 22px 24px;
    transition: all .25s ease;
    border: 1px solid #E2E8F0;
  }
  .reward-card:hover { transform: translateY(-4px); box-shadow: 0 22px 30px -22px rgba(255, 255, 255, .3); }
  .reward-card-title { font-size: 17px; font-weight: 700; color: #0B1F33; margin-bottom: 4px; display: flex; align-items: center; gap: 10px; }
  .reward-card-title .mini-icon {
    width: 26px;
    height: 26px;
    background: #EFF6FF;
    color: #0066CC;
    border-radius: 8px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 14px;
  }
  .reward-card p { font-size: 13px; color: #64748B; margin: 6px 0 4px; line-height: 1.75; }
  .reward-more { font-size: 13px; font-weight: 600; color: #0066CC; display: inline-flex; align-items: center; gap: 4px; margin-top: 8px; }

  .news-dynamic { background: #fff; }
  .news-layout { display: grid; grid-template-columns: 1.15fr .85fr; gap: 24px; align-items: stretch; }
  .news-main-card {
    background: #0B1F33;
    border-radius: 28px;
    overflow: hidden;
    color: #E2E8F0;
    display: flex;
    flex-direction: column;
    transition: all .3s ease;
    border: 1px solid #E2E8F0;
  }
  .news-main-card-img { height: 300px; overflow: hidden; position: relative; }
  .news-main-card-img img { width: 100%; height: 100%; object-fit: cover; }
  .news-main-card-img::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent, rgba(11, 31, 51, .94)); }
  .news-main-card-body { padding: 28px 30px 32px; display: flex; flex-direction: column; flex: 1; }
  .new-cat {
    display: inline-block;
    background: rgba(255, 255, 255, .1);
    color: #BFDBFE;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
    padding: 5px 12px;
    width: fit-content;
    margin-bottom: 12px;
  }
  .news-main-card h3 { font-size: 24px; line-height: 1.45; margin: 0 0 12px; }
  .news-main-card h3 a { color: #fff; }
  .news-main-card h3 a:hover { color: #7EB8E5; }
  .news-main-excerpt { font-size: 15px; color: #94A3B8; line-height: 1.8; }
  .news-media { display: flex; align-items: center; gap: 14px; margin-top: auto; padding-top: 24px; font-size: 13px; color: #94A3B8; }
  .news-card-list { display: flex; flex-direction: column; gap: 0; background: #fff; border: 1px solid #E2E8F0; border-radius: 28px; overflow: hidden; }
  .news-mini-item {
    padding: 20px 24px;
    border-bottom: 1px solid #EEF2F6;
    display: flex;
    flex-direction: column;
    gap: 6px;
    transition: background .2s ease;
  }
  .news-mini-item:last-child { border-bottom: 0; }
  .news-mini-item:hover { background: #F8FAFC; }
  .news-mini-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 12px;
    color: #94A3B8;
  }
  .news-mini-meta .cat { color: #0066CC; font-weight: 600; background: #EFF6FF; border-radius: 4px; padding: 2px 8px; font-size: 12px; }
  .news-mini-item h4 { font-size: 16px; font-weight: 600; line-height: 1.5; margin: 4px 0 2px; }
  .news-mini-item h4 a:hover { color: #0066CC; }
  .news-mini-item p { font-size: 13px; color: #64748B; margin: 0; line-height: 1.7; overflow: hidden; text-overflow: ellipsis; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
  .news-more { font-size: 13px; color: #0066CC; font-weight: 600; text-decoration: none; display: inline-flex; align-items: center; gap: 6px; }
  .news-empty {
    grid-column: 1 / -1;
    border: 1px dashed #CBD5E1;
    border-radius: 20px;
    padding: 64px 24px;
    background: #F8FAFC;
    text-align: center;
    color: #64748B;
    font-size: 16px;
  }

  .faq-wrap { max-width: 880px; margin: 0 auto; }
  .faq-item {
    border: 1px solid #E2E8F0;
    border-radius: 18px;
    background: #fff;
    margin-bottom: 12px;
    overflow: hidden;
    transition: border-color .2s ease, box-shadow .2s ease;
  }
  .faq-item:hover { border-color: #C7DBF2; box-shadow: 0 10px 28px -20px rgba(0, 102, 204, .35); }
  .faq-item summary {
    cursor: pointer;
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    padding: 22px 26px;
    font-weight: 600;
    color: #0B1F33;
    font-size: 17px;
  }
  .faq-item summary::-webkit-details-marker { display: none; }
  .faq-item .faq-icon { color: #0066CC; font-size: 20px; line-height: 1; flex-shrink: 0; transition: transform .3s ease; }
  .faq-item[open] .faq-icon { transform: rotate(45deg); }
  .faq-item[open] { box-shadow: 0 20px 34px -30px rgba(0, 102, 204, .4); border-color: #9CC7EF; }
  .faq-answer { padding: 0 26px 22px; color: #64748B; font-size: 15px; line-height: 1.9; }
  .faq-footer { margin-top: 30px; text-align: center; font-size: 15px; color: #64748B; }
  .faq-footer a { color: #0066CC; font-weight: 600; }
  .faq-footer a:hover { text-decoration: underline; }

  .cta-section { background: #F8FAFC; padding: 90px 0; }
  .cta-card {
    background: linear-gradient(135deg, #0B1F33, #123B63);
    border-radius: 32px;
    padding: 64px 52px;
    text-align: center;
    color: #E2E8F0;
    position: relative;
    overflow: hidden;
  }
  .cta-card::before {
    content: "";
    position: absolute;
    width: 320px;
    height: 320px;
    background: radial-gradient(circle, rgba(0, 130, 230, .28), transparent 68%);
    top: -140px;
    left: -80px;
  }
  .cta-card::after {
    content: "";
    position: absolute;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(249, 115, 22, .18), transparent 70%);
    right: 40px;
    bottom: -90px;
  }
  .cta-card .cta-content { position: relative; z-index: 1; max-width: 680px; margin: 0 auto; }
  .cta-title { font-size: clamp(30px, 4vw, 42px); font-weight: 800; color: #fff; line-height: 1.3; margin: 0 0 14px; }
  .cta-desc { color: #94A3B8; font-size: 15px; line-height: 1.9; margin-bottom: 30px; }
  .cta-btn-group { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

  .site-footer { background: #081726; color: #94A3B8; }
  .footer-inner { display: grid; grid-template-columns: 1.3fr .8fr 1fr 1fr; gap: 44px; padding: 64px 0 52px; }
  .footer-brand .logo { padding: 0; margin-bottom: 12px; }
  .footer-brand p { font-size: 14px; line-height: 1.9; max-width: 320px; margin: 10px 0 18px; }
  .footer-title { color: #E2E8F0; font-weight: 600; font-size: 15px; margin-bottom: 18px; }
  .footer-links { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
  .footer-links a { color: #94A3B8; font-size: 14px; }
  .footer-links a:hover { color: #fff; padding-left: 3px; }
  .footer-contact { font-size: 14px; line-height: 2; }
  .footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, .08);
    padding: 20px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    flex-wrap: wrap;
    font-size: 13px;
    color: #64748B;
  }
  .footer-compliance {
    background: rgba(255, 255, 255, .02);
    padding: 12px 0;
    border-top: 1px solid rgba(255, 255, 255, .05);
    color: #64748B;
    font-size: 12px;
    text-align: center;
    letter-spacing: 1px;
  }

  .back-to-top-btn { display: none; }

  @media (max-width: 1023px) {
    .nav-area { display: none !important; }
    .mobile-menu-toggle {
      display: inline-flex;
      width: 42px;
      height: 42px;
      border-radius: 12px;
      border: 1px solid #E2E8F0;
      background: #fff;
      align-items: center;
      justify-content: center;
      color: #1E293B;
      cursor: pointer;
    }
    .logo-area { justify-content: flex-start; margin-left: 12px; flex: 1; }
    .hero-inner { grid-template-columns: 1fr; gap: 24px; }
    .hero { min-height: auto; }
    .hero-panel { max-width: 560px; }
    .play-row, .play-row.reverse { grid-template-columns: 1fr; gap: 22px; }
    .play-img img { height: 220px; }
    .reward-main { grid-column: span 3; }
    .news-layout { grid-template-columns: 1fr; }
    .footer-inner { grid-template-columns: 1fr 1fr; gap: 36px; }
  }
  @media (max-width: 767px) {
    .logo-name { font-size: 17px; }
    .logo-sub { display: none; }
    .stats-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
    .stat-number { font-size: 26px; }
    .section-block { padding: 56px 0; }
    .reward-main { padding: 26px; min-height: auto; }
    .footer-inner { grid-template-columns: 1fr; gap: 28px; }
    .footer-bottom { flex-direction: column; text-align: center; }
    .hero-note { flex-direction: column; }
    .hero-panel-img { height: 200px; }
    .cta-card { padding: 44px 22px; border-radius: 22px; }
    .news-main-card-img { height: 210px; }
    .news-main-card h3 { font-size: 20px; }
  }
  @media (max-width: 520px) {
    .stats-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
    .stat-card { padding: 18px 12px; }
    .stat-label { font-size: 13px; }
    .reward-card-list { gap: 12px; }
    .header-cta .btn { display: none; }
  }

/* roulang page: article */
:root {
    --primary: #0066CC;
    --primary-deep: #004C99;
    --primary-sky: #00A3D9;
    --accent: #F97316;
    --accent-deep: #EA580C;
    --orange: #FF6B35;
    --deep: #0B1F33;
    --deep-2: #10233E;
    --bg: #F8FAFC;
    --white: #FFFFFF;
    --ink: #1E293B;
    --slate: #475569;
    --muted: #64748B;
    --line: #E2E8F0;
    --light-line: #F1F5F9;
    --radius-lg: 16px;
    --radius: 12px;
    --radius-sm: 8px;
    --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.04);
    --shadow-md: 0 10px 30px rgba(15, 23, 42, 0.08);
    --shadow-lg: 0 18px 50px rgba(15, 23, 42, 0.10);
    --container: 1280px;
    --font: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
  }

  * {
    box-sizing: border-box;
  }

  html {
    scroll-behavior: smooth;
  }

  body {
    margin: 0;
    background: #FFFFFF;
    font-family: var(--font);
    color: var(--ink);
    line-height: 1.75;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
  }

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

  a {
    color: inherit;
    text-decoration: none;
    transition: color .2s;
  }

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

  .container {
    max-width: var(--container);
    margin: 0 auto;
    padding-left: 1.25rem;
    padding-right: 1.25rem;
  }

  @media (min-width: 640px) {
    .container {
      padding-left: 1.5rem;
      padding-right: 1.5rem;
    }
  }

  @media (min-width: 1280px) {
    .container {
      padding-left: 2rem;
      padding-right: 2rem;
    }
  }

  /* ── Header ─────────────────────────── */
  .site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.84);
    -webkit-backdrop-filter: blur(18px);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid rgba(226, 232, 240, 0.8);
  }

  .header-row {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 76px;
    gap: 0.875rem;
  }

  .header-left,
  .header-right {
    display: flex;
    align-items: center;
    gap: 0.75rem;
  }

  .header-right {
    justify-content: flex-end;
  }

  .nav-menu {
    display: none;
    align-items: center;
    gap: 0.25rem;
  }

  .nav-link {
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 0.875rem;
    border-radius: 9999px;
    font-size: 0.9375rem;
    font-weight: 500;
    color: #334155;
    line-height: 1.4;
    transition: all 0.2s ease-in-out;
    white-space: nowrap;
  }

  .nav-link:hover {
    background: #EEF5FF;
    color: var(--primary);
  }

  .nav-link.is-active {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 4px 14px rgba(0, 102, 204, 0.24);
  }

  .nav-link:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
  }

  .header-divider {
    width: 1px;
    height: 22px;
    background: var(--line);
    margin: 0 0.25rem;
  }

  .btn-header {
    display: none;
    align-items: center;
    justify-content: center;
    min-height: 40px;
    padding: 0.5rem 1.25rem;
    border-radius: var(--radius);
    font-size: 0.9375rem;
    font-weight: 600;
    color: #fff;
    background: linear-gradient(135deg, var(--accent), var(--orange));
    box-shadow: 0 6px 18px rgba(249, 115, 22, 0.26);
    transition: all 0.2s ease-in-out;
    border: 0;
    cursor: pointer;
    white-space: nowrap;
  }

  .btn-header:hover {
    background: linear-gradient(135deg, #FB8A35, #FF7A45);
    box-shadow: 0 10px 24px rgba(249, 115, 22, 0.32);
    transform: translateY(-1px);
  }

  .btn-header:active {
    transform: translateY(0);
    box-shadow: 0 4px 12px rgba(249, 115, 22, 0.24);
  }

  .logo {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    display: inline-flex;
    align-items: center;
    gap: 0.7rem;
    flex-shrink: 0;
    padding: 0.25rem 0.25rem;
    border-radius: var(--radius);
    transition: opacity .2s;
  }

  .logo:hover {
    opacity: 0.92;
  }

  .logo-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border-radius: 13px;
    background: linear-gradient(135deg, var(--primary), var(--primary-sky));
    color: #fff;
    font-size: 1.05rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    box-shadow: 0 6px 16px rgba(0, 102, 204, 0.24);
  }

  .logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.25;
  }

  .logo-name {
    font-size: 1.085rem;
    font-weight: 800;
    color: #0B2A4A;
    letter-spacing: 0.01em;
  }

  .logo-sub {
    font-size: 0.72rem;
    color: var(--muted);
    font-weight: 500;
  }

  .nav-toggle {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    width: 44px;
    height: 44px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #fff;
    cursor: pointer;
    transition: all 0.2s;
  }

  .nav-toggle:hover {
    border-color: #B8CCE4;
    background: #F8FAFC;
  }

  .nav-toggle span {
    display: block;
    width: 18px;
    height: 2px;
    border-radius: 2px;
    background: var(--deep);
    transition: all 0.2s;
  }

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

    .btn-header {
      display: inline-flex;
      margin-left: 0.5rem;
    }

    .nav-toggle {
      display: none;
    }

    .header-row {
      gap: 1rem;
    }
  }

  .mobile-nav {
    display: none;
    position: fixed;
    top: 76px;
    left: 0;
    width: 100%;
    height: calc(100vh - 76px);
    background: #fff;
    z-index: 99;
    padding: 1.5rem;
    overflow-y: auto;
    border-top: 1px solid var(--line);
  }

  .mobile-nav.is-open {
    display: block;
  }

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

  .mobile-nav .mobile-nav-list li + li {
    margin-top: 0.375rem;
  }

  .mobile-nav .mobile-nav-list a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 48px;
    padding: 0.625rem 1rem;
    border-radius: var(--radius);
    font-size: 1rem;
    font-weight: 500;
    color: var(--ink);
    transition: all .2s;
  }

  .mobile-nav .mobile-nav-list a:hover {
    background: #F1F5F9;
    color: var(--primary);
  }

  .mobile-nav .mobile-nav-cta {
    margin-top: 1.25rem;
    display: block;
    text-align: center;
    font-weight: 700;
  }

  .mobile-nav-close {
    display: none;
  }

  /* ── Buttons ─────────────────────── */
  .btn-primary,
  .btn-outline,
  .btn-orange {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 1rem;
    line-height: 1.2;
    min-height: 46px;
    padding: 0.675rem 1.75rem;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.2s ease-in-out;
  }

  .btn-orange {
    color: #fff;
    background: linear-gradient(135deg, var(--accent), var(--orange));
    box-shadow: 0 10px 24px rgba(249, 115, 22, 0.26);
  }

  .btn-orange:hover {
    background: linear-gradient(135deg, #FB8A35, #FF7A45);
    box-shadow: 0 14px 30px rgba(249, 115, 22, 0.32);
    transform: translateY(-2px);
  }

  .btn-orange:active {
    transform: translateY(0);
    box-shadow: 0 4px 12px rgba(249, 115, 22, 0.2);
  }

  .btn-primary {
    color: #fff;
    background: linear-gradient(135deg, var(--primary), var(--primary-sky));
    box-shadow: 0 10px 26px rgba(0, 102, 204, 0.22);
  }

  .btn-primary:hover {
    background: linear-gradient(135deg, #0A76E5, #11B4E8);
    box-shadow: 0 14px 32px rgba(0, 102, 204, 0.28);
    transform: translateY(-2px);
  }

  .btn-outline {
    color: #CBD5E1;
    border-color: rgba(255, 255, 255, 0.35);
    background: transparent;
  }

  .btn-outline:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.7);
  }

  /* ── Breadcrumb ──────────────────── */
  .page-crumb {
    background: #F8FAFC;
    border-bottom: 1px solid #EEF2F7;
  }

  .crumb-list {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.375rem;
    margin: 0;
    padding: 0.9rem 0;
    list-style: none;
    font-size: 0.875rem;
    color: var(--muted);
  }

  .crumb-list li a {
    color: var(--primary);
    transition: color .2s;
  }

  .crumb-list li a:hover {
    color: var(--primary-deep);
  }

  .crumb-list li.current {
    color: #334155;
    font-weight: 500;
    max-width: 280px;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
  }

  .crumb-list li + li::before {
    content: "/";
    margin: 0 0.3rem;
    color: #CBD5E1;
  }

  .crumb-list li:first-child::before {
    display: none;
  }

  /* ── Article Header ───────────────── */
  .article-hero {
    padding: 2.25rem 0 1.5rem;
  }

  .article-hero-inner {
    max-width: 860px;
    margin: 0 auto;
    text-align: center;
  }

  .article-tag-row {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.5rem 1rem;
    margin-bottom: 1rem;
  }

  .category-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.35rem 1rem;
    border-radius: 9999px;
    background: #EAF3FF;
    color: var(--primary);
    font-size: 0.8125rem;
    font-weight: 600;
  }

  .article-meta-item {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    color: var(--muted);
    font-size: 0.85rem;
  }

  .article-title {
    margin: 0 0 0.85rem;
    font-size: clamp(1.75rem, 4vw, 2.75rem);
    font-weight: 800;
    line-height: 1.3;
    letter-spacing: -0.02em;
    color: #0B1F33;
  }

  .article-title-highlight {
    color: var(--primary);
  }

  .article-lead {
    max-width: 760px;
    margin: 0 auto;
    color: var(--slate);
    font-size: 1.0625rem;
    line-height: 1.8;
  }

  .article-lead-strong {
    color: var(--primary);
    font-weight: 600;
  }

  .article-info-bar {
    margin-top: 1.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.5rem 1.25rem;
    color: var(--muted);
    font-size: 0.85rem;
  }

  .article-info-divider {
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: #CBD5E1;
  }

  /* ── Article body ─────────────────── */
  .article-main {
    padding: 1rem 0 3rem;
  }

  .article-shell {
    max-width: 860px;
    margin: 0 auto;
  }

  .article-card {
    background: #FFFFFF;
    border: 1px solid var(--light-line);
    border-radius: 24px;
    padding: 2rem 1.5rem;
    box-shadow: var(--shadow-sm);
  }

  @media (min-width: 640px) {
    .article-card {
      padding: 2.75rem 2.75rem;
    }
  }

  .article-body {
    font-size: 1.0625rem;
    line-height: 1.9;
    color: #2B3A4E;
    word-break: break-word;
  }

  .article-body > *:first-child {
    margin-top: 0;
  }

  .article-body p {
    margin: 0 0 1.5rem;
  }

  .article-body h2 {
    margin: 2.25rem 0 1rem;
    font-size: 1.5rem;
    font-weight: 700;
    line-height: 1.45;
    color: #0B1F33;
    padding-left: 0.875rem;
    border-left: 4px solid var(--primary);
  }

  .article-body h3 {
    margin: 1.75rem 0 0.75rem;
    font-size: 1.25rem;
    font-weight: 700;
    line-height: 1.5;
    color: #122B44;
  }

  .article-body h4 {
    margin: 1.5rem 0 0.625rem;
    font-size: 1.1rem;
    font-weight: 600;
    color: #1E293B;
  }

  .article-body ul,
  .article-body ol {
    margin: 0 0 1.5rem;
    padding-left: 1.5rem;
  }

  .article-body li {
    margin-bottom: 0.65rem;
  }

  .article-body ul li::marker {
    color: var(--primary);
  }

  .article-body a {
    color: var(--primary);
    border-bottom: 1px solid rgba(0, 102, 204, 0.2);
    padding-bottom: 1px;
  }

  .article-body a:hover {
    color: var(--primary-deep);
    border-bottom-color: var(--primary);
  }

  .article-body blockquote {
    margin: 1.75rem 0;
    padding: 1rem 1.5rem;
    border-left: 4px solid var(--primary);
    background: #F8FAFC;
    border-radius: 0 14px 14px 0;
    color: #45566B;
  }

  .article-body blockquote p:last-child {
    margin-bottom: 0;
  }

  .article-body img {
    border-radius: 18px;
    margin: 1.5rem 0;
  }

  .article-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
    font-size: 0.95rem;
    display: block;
    overflow-x: auto;
  }

  .article-body table th,
  .article-body table td {
    border: 1px solid var(--line);
    padding: 0.7rem 1rem;
    text-align: left;
  }

  .article-body table th {
    background: #F8FAFC;
    color: #0B1F33;
    font-weight: 600;
  }

  .article-body hr {
    border: 0;
    border-top: 1px solid var(--line);
    margin: 2.25rem 0;
  }

  .article-source-line {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.75rem 1.25rem;
    background: #F8FAFC;
    border-radius: 14px;
    padding: 0.875rem 1.15rem;
    color: var(--muted);
    font-size: 0.85rem;
    margin: 2rem 0 0;
  }

  .article-source-line strong {
    color: #334155;
    font-weight: 600;
  }

  /* ── Article Missing ─────────────── */
  .article-missing {
    max-width: 720px;
    margin: 0 auto;
    padding: 5rem 1.5rem;
    text-align: center;
  }

  .article-missing h1 {
    color: var(--deep);
    font-size: clamp(1.6rem, 3vw, 2.25rem);
    font-weight: 800;
  }

  .article-missing p {
    color: var(--muted);
    margin: 1rem auto 1.75rem;
    max-width: 480px;
    font-size: 1.05rem;
  }

  /* ── Related Pages ────────────────── */
  .related-section {
    background: #F8FAFC;
    padding: 3rem 0 3.5rem;
    margin-top: 1rem;
  }

  .section-heading {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1.75rem;
  }

  .section-eyebrow {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.875rem;
    border-radius: 9999px;
    background: #EAF3FF;
    color: var(--primary);
    font-size: 0.8125rem;
    font-weight: 700;
  }

  .section-title {
    margin: 0.4rem 0 0;
    font-size: clamp(1.4rem, 2.5vw, 2rem);
    line-height: 1.35;
    font-weight: 800;
    color: var(--deep);
    margin-top: 0.75rem;
  }

  .section-link {
    color: var(--primary);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.9rem;
  }

  .section-link i {
    transition: transform .2s;
  }

  .section-link:hover i {
    transform: translateX(3px);
  }

  .related-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

  @media (min-width: 640px) {
    .related-grid {
      grid-template-columns: repeat(2, 1fr);
    }
  }

  @media (min-width: 1024px) {
    .related-grid {
      grid-template-columns: repeat(3, 1fr);
    }
  }

  .related-card {
    display: flex;
    flex-direction: column;
    background: #fff;
    border: 1px solid var(--light-line);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all 0.25s ease-in-out;
  }

  .related-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
    border-color: #DBE7F3;
  }

  .related-card-img {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16 / 10;
    background: #E2E8F0;
  }

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

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

  .related-card-badge {
    position: absolute;
    top: 0.9rem;
    left: 0.9rem;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(6px);
    color: var(--primary);
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.3rem 0.9rem;
    border-radius: 9999px;
  }

  .related-card-body {
    padding: 1.25rem 1.4rem 1.5rem;
    display: flex;
    flex-direction: column;
    flex: 1;
  }

  .related-card-body h3 {
    font-size: 1.085rem;
    font-weight: 700;
    margin: 0 0 0.7rem;
    color: var(--deep);
    line-height: 1.5;
  }

  .related-card-body p {
    font-size: 0.92rem;
    color: var(--muted);
    line-height: 1.7;
    margin: 0 0 1.2rem;
    flex: 1;
  }

  .related-card-more {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    color: var(--primary);
    font-size: 0.9rem;
    font-weight: 600;
    margin-top: auto;
  }

  .related-card-more i {
    transition: transform .2s;
  }

  .related-card:hover .related-card-more i {
    transform: translateX(4px);
  }

  /* ── CTA Panel ────────────────────── */
  .cta-panel-section {
    padding: 3.5rem 0;
  }

  .cta-panel {
    position: relative;
    border-radius: 26px;
    overflow: hidden;
    background:
      linear-gradient(135deg, rgba(7, 23, 48, 0.93), rgba(0, 92, 168, 0.88)),
      url('/assets/images/backpic/back-2.webp') center/cover no-repeat,
      var(--deep);
    color: #fff;
    text-align: center;
    padding: clamp(2rem, 6vw, 4.5rem) clamp(1.25rem, 5vw, 4rem);
    box-shadow: 0 24px 60px rgba(2, 28, 56, 0.3);
  }

  .cta-panel::after {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background:
      radial-gradient(circle at 85% 20%, rgba(249, 115, 22, 0.28), transparent 28%),
      radial-gradient(circle at 15% 85%, rgba(0, 163, 217, 0.22), transparent 30%);
  }

  .cta-panel-content {
    position: relative;
    z-index: 1;
    max-width: 760px;
    margin: 0 auto;
  }

  .cta-panel h2 {
    font-size: clamp(1.55rem, 3.4vw, 2.5rem);
    margin: 0 0 1rem;
    font-weight: 800;
    line-height: 1.35;
    letter-spacing: -0.02em;
  }

  .cta-panel p {
    color: #CDDBEA;
    font-size: 1.05rem;
    margin: 0 auto 2rem;
    max-width: 620px;
    line-height: 1.8;
  }

  .cta-panel .cta-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.75rem;
  }

  /* ── Footer ───────────────────────── */
  .site-footer {
    background: var(--deep);
    color: #C5D1E0;
    font-size: 0.925rem;
    margin-top: 0;
  }

  .footer-inner {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2.5rem 2rem;
    padding: 3.5rem 0 2.5rem;
  }

  @media (min-width: 640px) {
    .footer-inner {
      grid-template-columns: repeat(2, 1fr);
    }
  }

  @media (min-width: 1024px) {
    .footer-inner {
      grid-template-columns: 1.4fr 1fr 1.1fr 1.2fr;
      padding: 4rem 0 2.75rem;
    }
  }

  .footer-brand .logo {
    position: static;
    transform: none;
    margin-bottom: 1rem;
  }

  .footer-brand .logo-name {
    color: #E8EEF6;
  }

  .footer-brand > p {
    color: #94A3B8;
    line-height: 1.9;
    margin: 1rem 0 0;
    max-width: 330px;
    font-size: 0.9rem;
  }

  .footer-title {
    color: #E8EEF6;
    font-weight: 600;
    margin-bottom: 1rem;
    letter-spacing: 0.02em;
    font-size: 1rem;
  }

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

  .footer-links li {
    margin-bottom: 0.6rem;
  }

  .footer-links a {
    color: #8FA3BB;
    transition: color .2s, padding-left .2s;
    display: inline-block;
    padding: 0.15rem 0;
  }

  .footer-links a:hover {
    color: #FFFFFF;
    padding-left: 0.3rem;
  }

  .footer-contact p {
    color: #8FA3BB;
    margin: 0 0 0.5rem;
    line-height: 1.8;
    font-size: 0.9rem;
  }

  .footer-bottom {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    border-top: 1px solid rgba(226, 232, 240, 0.08);
    padding: 1.35rem 0;
    color: #7C8FA5;
    font-size: 0.875rem;
  }

  .footer-compliance {
    padding: 0.75rem 1rem;
    background: rgba(0, 0, 0, 0.15);
    color: #6B7F96;
    text-align: center;
    font-size: 0.8rem;
    letter-spacing: 0.02em;
    border-top: 1px solid rgba(255, 255, 255, 0.02);
  }

  @media (max-width: 640px) {
    .footer-bottom {
      flex-direction: column;
      align-items: flex-start;
    }
  }

  /* ── utilities / focus ────────────── */
  :focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
  }

  .section-gap {
    padding-top: 2.5rem;
    padding-bottom: 2.5rem;
  }

/* roulang page: category1 */
:root {
      --brand: #0066CC;
      --brand-dark: #004C99;
      --accent: #F97316;
      --accent-soft: #FF6B35;
      --deep: #0B1F33;
      --deep-2: #155E9E;
      --bg: #F8FAFC;
      --card: #FFFFFF;
      --border: #E2E8F0;
      --text: #1E293B;
      --muted: #64748B;
      --radius-lg: 16px;
      --radius-md: 12px;
      --shadow-card: 0 4px 16px rgba(2, 12, 27, 0.06);
      --shadow-hover: 0 18px 36px rgba(2, 12, 27, 0.12);
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      background: var(--bg);
      color: var(--text);
      font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", "Noto Sans SC", sans-serif;
      line-height: 1.75;
      -webkit-font-smoothing: antialiased;
    }

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

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

    h1, h2, h3, h4 {
      margin: 0;
      line-height: 1.3;
      font-weight: 700;
    }

    button {
      font-family: inherit;
    }

    .container-site {
      width: 100%;
      max-width: 1280px;
      margin: 0 auto;
      padding: 0 20px;
    }

    /* ===== header ===== */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 60;
      background: rgba(255, 255, 255, 0.82);
      backdrop-filter: blur(18px);
      -webkit-backdrop-filter: blur(18px);
      border-bottom: 1px solid rgba(226, 232, 240, 0.8);
      transition: box-shadow 0.2s ease;
    }

    .site-header.scrolled {
      box-shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
    }

    .header-inner {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
      align-items: center;
      min-height: 76px;
      gap: 16px;
    }

    .nav-left, .nav-right {
      display: flex;
      align-items: center;
      gap: 28px;
    }

    .nav-right {
      justify-content: flex-end;
    }

    .nav-link {
      position: relative;
      display: inline-flex;
      align-items: center;
      min-height: 44px;
      font-size: 15px;
      font-weight: 500;
      color: #334155;
      transition: color 0.2s ease;
      white-space: nowrap;
    }

    .nav-link:after {
      content: "";
      position: absolute;
      bottom: 8px;
      left: 0;
      width: 0;
      height: 2px;
      border-radius: 2px;
      background: var(--brand);
      transition: width 0.2s ease;
    }

    .nav-link:hover, .nav-link.is-active {
      color: var(--brand);
    }

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

    .logo {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      padding: 6px 0;
    }

    .logo-mark {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 44px;
      height: 44px;
      border-radius: 14px;
      background: linear-gradient(135deg, #0066CC, #00A3D9);
      color: #fff;
      font-size: 16px;
      font-weight: 800;
      letter-spacing: 1px;
      box-shadow: 0 8px 20px rgba(0, 102, 204, 0.24);
    }

    .logo-mark::after {
      content: "";
      width: 6px;
      height: 6px;
      border-radius: 999px;
      background: var(--accent);
      display: inline-block;
      margin: 12px -8px 0 2px;
    }

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

    .logo-name {
      font-size: 18px;
      font-weight: 800;
      color: #0B1F33;
      letter-spacing: 0.4px;
    }

    .logo-sub {
      font-size: 11px;
      letter-spacing: 2.8px;
      color: #64748B;
      margin-top: 2px;
    }

    .btn-header {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 42px;
      padding: 0 20px;
      border-radius: 999px;
      background: linear-gradient(135deg, #F97316, #FF6B35);
      color: #fff;
      font-weight: 600;
      font-size: 14px;
      box-shadow: 0 6px 16px rgba(249, 115, 22, 0.28);
      transition: all 0.2s ease;
    }

    .btn-header:hover {
      transform: translateY(-2px);
      box-shadow: 0 10px 24px rgba(249, 115, 22, 0.34);
    }

    .btn-header:active {
      transform: translateY(0);
    }

    .nav-toggle {
      display: none;
    }

    .mobile-panel {
      display: none;
    }

    @media (max-width: 1023px) {
      .nav-left, .nav-right {
        display: none;
      }

      .header-inner {
        grid-template-columns: 1fr auto 1fr;
      }

      .nav-toggle {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 44px;
        height: 44px;
        border: 1px solid var(--border);
        border-radius: 12px;
        background: #fff;
        cursor: pointer;
        color: #0B1F33;
        transition: border 0.2s ease;
      }

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

      .header-inner > .logo {
        justify-self: center;
      }

      .mobile-panel {
        display: block;
        position: fixed;
        inset: 0;
        z-index: 80;
        pointer-events: none;
        visibility: hidden;
        opacity: 0;
        transition: opacity 0.25s ease;
      }

      .mobile-panel.is-open {
        visibility: visible;
        opacity: 1;
        pointer-events: auto;
      }

      .mobile-panel .panel-bg {
        position: absolute;
        inset: 0;
        background: rgba(11, 31, 51, 0.5);
      }

      .mobile-panel .panel-main {
        position: absolute;
        top: 0;
        right: 0;
        width: min(86%, 360px);
        height: 100%;
        background: #fff;
        box-shadow: -20px 0 60px rgba(0, 0, 0, 0.18);
        display: flex;
        flex-direction: column;
        padding: 24px;
      }

      .mobile-panel .panel-top {
        display: flex;
        justify-content: space-between;
        align-items: center;
        margin-bottom: 28px;
      }

      .mobile-panel .close-panel {
        width: 44px;
        height: 44px;
        border: 1px solid var(--border);
        border-radius: 12px;
        background: #fff;
        font-size: 20px;
        color: #475569;
        cursor: pointer;
      }

      .mobile-panel .panel-link {
        display: flex;
        align-items: center;
        padding: 14px 12px;
        border-radius: 12px;
        color: #1E293B;
        font-size: 16px;
        font-weight: 500;
      }

      .mobile-panel .panel-link:hover,
      .mobile-panel .panel-link.is-active {
        background: #F0F7FF;
        color: var(--brand);
      }

      .mobile-panel .btn-header {
        margin-top: 20px;
      }
    }

    @media (max-width: 639px) {
      .header-inner {
        min-height: 66px;
        gap: 8px;
      }

      .logo-mark {
        width: 40px;
        height: 40px;
        border-radius: 12px;
        font-size: 14px;
      }

      .logo-name {
        font-size: 16px;
      }

      .logo-sub {
        letter-spacing: 1.4px;
        font-size: 10px;
      }
    }

    /* ===== buttons ===== */
    .btn-primary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      min-height: 48px;
      padding: 0 28px;
      border-radius: 14px;
      background: linear-gradient(135deg, #F97316, #FF6B35);
      color: #fff;
      font-weight: 600;
      font-size: 16px;
      transition: all 0.2s ease;
      box-shadow: 0 8px 20px rgba(249, 115, 22, 0.28);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 14px 30px rgba(249, 115, 22, 0.34);
    }

    .btn-primary:focus-visible,
    .btn-secondary:focus-visible,
    .btn-header:focus-visible,
    .nav-toggle:focus-visible,
    .close-panel:focus-visible {
      outline: none;
      box-shadow: 0 0 0 4px rgba(249, 115, 22, 0.28);
    }

    .btn-secondary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 48px;
      padding: 0 28px;
      border-radius: 14px;
      border: 1px solid rgba(255, 255, 255, 0.6);
      color: #fff;
      font-weight: 600;
      font-size: 16px;
      background: transparent;
      transition: all 0.2s ease;
    }

    .btn-secondary:hover {
      background: rgba(255, 255, 255, 0.12);
      border-color: #ffffff;
    }

    .section-title {
      position: relative;
      margin-bottom: 36px;
    }

    .section-title .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 14px;
      background: rgba(0, 102, 204, 0.08);
      color: var(--brand);
      font-size: 13px;
      font-weight: 700;
      border-radius: 999px;
      letter-spacing: 1px;
    }

    .section-title h2 {
      margin-top: 14px;
      font-size: 32px;
      font-weight: 800;
      color: var(--text);
    }

    .section-title p {
      max-width: 680px;
      margin-top: 8px;
      color: var(--muted);
      font-size: 15px;
    }

    @media (max-width: 767px) {
      .section-title h2 {
        font-size: 26px;
      }
    }

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

    /* ===== category hero ===== */
    .category-hero {
      position: relative;
      min-height: 420px;
      display: flex;
      align-items: center;
      padding: 76px 0 88px;
      color: #fff;
      background: linear-gradient(115deg, #0B1F33 0%, #155E9E 100%);
      overflow: hidden;
    }

    .category-hero::after {
      content: "";
      position: absolute;
      top: 0;
      right: 0;
      width: 62%;
      height: 100%;
      background-image: radial-gradient(circle at 75% 30%, rgba(255, 255, 255, 0.16) 0, transparent 40%),
        radial-gradient(circle at 55% 85%, rgba(0, 163, 217, 0.25) 0, transparent 34%);
      clip-path: polygon(100% 0%, 100% 100%, 34% 100%, 0% 0%);
    }

    .category-hero .hero-bg-img {
      position: absolute;
      inset: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      opacity: 0.48;
    }

    .category-hero .hero-inner {
      position: relative;
      z-index: 3;
      display: grid;
      grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
      align-items: center;
      gap: 48px;
    }

    .category-hero .crumb {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 8px;
      margin-bottom: 18px;
      font-size: 13px;
      color: rgba(226, 232, 240, 0.8);
    }

    .category-hero .crumb a {
      transition: color 0.2s ease;
    }

    .category-hero .crumb a:hover {
      color: #fff;
    }

    .category-hero h1 {
      font-size: 46px;
      line-height: 1.2;
      font-weight: 800;
      color: #fff;
      margin-bottom: 18px;
      letter-spacing: 1px;
    }

    .category-hero h1 span {
      color: #F97316;
      position: relative;
    }

    .category-hero p {
      font-size: 16px;
      max-width: 560px;
      color: rgba(226, 232, 240, 0.9);
    }

    .category-hero .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      margin-top: 30px;
    }

    .category-hero .hero-visual {
      position: relative;
      z-index: 2;
      border-radius: 24px;
      overflow: hidden;
      box-shadow: 0 30px 70px rgba(0, 0, 0, 0.32);
      transform: rotate(1deg);
    }

    .category-hero .hero-visual img {
      width: 100%;
      height: 300px;
      object-fit: cover;
    }

    .category-hero .visual-figure {
      position: absolute;
      left: 16px;
      bottom: 16px;
      background: rgba(11, 31, 51, 0.72);
      backdrop-filter: blur(10px);
      border-radius: 14px;
      padding: 12px 18px;
      color: #fff;
      font-size: 13px;
      border: 1px solid rgba(255, 255, 255, 0.18);
    }

    @media (max-width: 1023px) {
      .category-hero .hero-inner {
        grid-template-columns: 1fr;
      }

      .category-hero {
        min-height: 0;
      }

      .category-hero .hero-visual {
        display: none;
      }
    }

    @media (max-width: 639px) {
      .category-hero {
        padding: 60px 0 60px;
      }

      .category-hero h1 {
        font-size: 34px;
      }

      .category-hero .hero-actions .btn-primary,
      .category-hero .hero-actions .btn-secondary {
        width: 100%;
      }
    }

    /* ===== metrics band ===== */
    .metric-band {
      margin-top: -46px;
      padding: 0 20px;
      position: relative;
      z-index: 6;
    }

    .metric-band-inner {
      max-width: 1120px;
      margin: 0 auto;
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      border-radius: 22px;
      background: #FFFFFF;
      box-shadow: 0 18px 44px rgba(15, 23, 42, 0.10);
      border: 1px solid rgba(226, 232, 240, 0.9);
      overflow: hidden;
    }

    .metric-item {
      padding: 24px 18px;
      text-align: center;
      border-right: 1px solid #E6EDF5;
      transition: background 0.2s ease;
    }

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

    .metric-item .metric-icon {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 44px;
      height: 44px;
      border-radius: 14px;
      background: rgba(0, 102, 204, 0.08);
      color: var(--brand);
      font-weight: 800;
      font-size: 20px;
    }

    .metric-item.is-highlight {
      background: linear-gradient(135deg, #F97316, #FF6B35);
      color: #fff;
    }

    .metric-item.is-highlight .metric-icon {
      background: rgba(255, 255, 255, 0.18);
      color: #fff;
    }

    .metric-item.is-highlight .metric-label {
      color: rgba(255, 255, 255, 0.9);
    }

    .metric-item .metric-num {
      display: block;
      font-size: 30px;
      font-weight: 800;
      margin-top: 10px;
      font-family: "DIN Alternate", "Roboto Condensed", "Arial Narrow", sans-serif;
      line-height: 1.2;
    }

    .metric-item .metric-label {
      display: block;
      margin-top: 4px;
      color: #64748B;
      font-size: 13px;
    }

    @media (max-width: 899px) {
      .metric-band-inner {
        grid-template-columns: repeat(2, 1fr);
      }

      .metric-item {
        border-right: none;
        border-bottom: 1px solid #E6EDF5;
      }

      .metric-item:nth-child(2n) {
        border-left: 0;
      }
    }

    @media (max-width: 639px) {
      .metric-band {
        padding: 0 12px;
        margin-top: -32px;
      }

      .metric-item {
        padding: 16px 10px;
      }

      .metric-item .metric-num {
        font-size: 24px;
      }
    }

    /* ===== card blocks ===== */
    .section-spacing {
      padding: 80px 0;
    }

    .section-spacing-sm {
      padding: 56px 0;
    }

    .bg-soft {
      background: #F1F5F9;
    }

    .content-card {
      background: #fff;
      border: 1px solid var(--border);
      border-radius: 18px;
      transition: transform 0.2s ease, box-shadow 0.2s ease;
      overflow: hidden;
    }

    .content-card:hover {
      transform: translateY(-4px);
      box-shadow: 0 18px 42px rgba(15, 23, 42, 0.10);
    }

    .content-card .card-img {
      width: 100%;
      height: 180px;
      overflow: hidden;
      background: #E8EEF6;
    }

    .content-card .card-img img {
      width: 100%;
      height: 100%;
      transition: transform 0.35s ease;
    }

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

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

    .content-card .card-tag {
      display: inline-block;
      padding: 4px 10px;
      margin-bottom: 10px;
      border-radius: 999px;
      background: rgba(0, 102, 204, 0.06);
      color: var(--brand);
      font-size: 12px;
      font-weight: 700;
      letter-spacing: 0.4px;
    }

    .content-card h3 {
      font-size: 20px;
      color: #0F172A;
      margin-bottom: 8px;
      line-height: 1.4;
    }

    .content-card p {
      color: #64748B;
      font-size: 14px;
      margin: 0;
      line-height: 1.7;
    }

    .card-link {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      margin-top: 16px;
      color: var(--brand);
      font-size: 14px;
      font-weight: 600;
      transition: gap 0.2s ease;
    }

    .card-link:hover {
      gap: 10px;
    }

    .block-feature {
      grid-gap: 28px;
    }

    .feature-main {
      display: grid;
      grid-template-columns: 1.4fr 1fr;
      border-radius: 22px;
      overflow: hidden;
      background: #0B1F33;
      min-height: 360px;
    }

    .feature-main .feature-text {
      display: flex;
      flex-direction: column;
      justify-content: center;
      padding: 48px;
      color: #fff;
    }

    .feature-main .feature-text .small-title {
      color: #F97316;
      font-weight: 700;
      font-size: 13px;
      letter-spacing: 2px;
    }

    .feature-main .feature-text h3 {
      font-size: 28px;
      font-weight: 800;
      margin: 16px 0 12px;
      line-height: 1.35;
    }

    .feature-main .feature-text p {
      color: rgba(226, 232, 240, 0.85);
      font-size: 14px;
      margin: 0 0 20px;
    }

    .feature-main .feature-img {
      min-height: 320px;
    }

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

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

    .extra-card {
      background: #fff;
      border: 1px solid var(--border);
      border-radius: 18px;
      padding: 22px;
    }

    .extra-card .extra-icon {
      width: 40px;
      height: 40px;
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      background: linear-gradient(135deg, rgba(0, 102, 204, 0.10), rgba(0, 163, 217, 0.10));
      color: var(--brand);
      font-weight: 700;
      font-size: 16px;
      margin-bottom: 12px;
    }

    .extra-card h4 {
      font-size: 16px;
      margin-bottom: 4px;
    }

    .extra-card p {
      font-size: 13px;
      color: var(--muted);
      line-height: 1.7;
    }

    @media (max-width: 1023px) {
      .feature-main {
        grid-template-columns: 1fr;
      }

      .feature-main .feature-text {
        padding: 36px 28px;
      }

      .feature-main .feature-img {
        min-height: 240px;
      }
    }

    @media (max-width: 767px) {
      .feature-extra {
        grid-template-columns: 1fr;
      }
    }

    /* ===== process ===== */
    .process-grid {
      display: grid;
      grid-template-columns: 1.25fr 0.75fr;
      gap: 48px;
      align-items: center;
    }

    .process-list {
      display: grid;
      gap: 12px;
      counter-reset: process;
    }

    .process-step {
      display: grid;
      grid-template-columns: 54px 1fr;
      gap: 16px;
      padding: 20px 20px 20px 16px;
      background: #fff;
      border: 1px solid var(--border);
      border-radius: 18px;
      transition: transform 0.2s ease, box-shadow 0.2s ease;
    }

    .process-step:hover {
      transform: translateX(6px);
      box-shadow: 0 14px 36px rgba(15, 23, 42, 0.08);
    }

    .process-step .step-num {
      width: 54px;
      height: 54px;
      border-radius: 16px;
      display: flex;
      align-items: center;
      justify-content: center;
      background: linear-gradient(135deg, #0066CC, #00A3D9);
      color: #fff;
      font-size: 20px;
      font-weight: 800;
      font-family: "DIN Alternate", sans-serif;
    }

    .process-step h3 {
      font-size: 18px;
      margin-bottom: 4px;
    }

    .process-step p {
      color: var(--muted);
      font-size: 14px;
      margin: 0;
      line-height: 1.7;
    }

    .process-visual {
      border-radius: 22px;
      overflow: hidden;
      box-shadow: 0 20px 40px rgba(15, 23, 42, 0.12);
    }

    .process-visual img {
      width: 100%;
      height: 380px;
      object-fit: cover;
    }

    @media (max-width: 1023px) {
      .process-grid {
        grid-template-columns: 1fr;
      }

      .process-visual img {
        height: 260px;
      }
    }

    /* ===== index split ===== */
    .guide-split {
      display: grid;
      grid-template-columns: 0.8fr 1.6fr;
      gap: 36px;
    }

    .guide-aside {
      position: sticky;
      top: 110px;
      align-self: start;
      background: #fff;
      border: 1px solid var(--border);
      border-radius: 20px;
      padding: 24px;
    }

    .guide-aside .aside-title {
      font-size: 16px;
      font-weight: 800;
      margin-bottom: 16px;
      color: #0B1F33;
      padding-bottom: 12px;
      border-bottom: 1px solid #E6EDF5;
    }

    .guide-anchors {
      display: flex;
      flex-direction: column;
    }

    .guide-anchors a {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 6px;
      padding: 10px 8px;
      border-radius: 10px;
      color: #475569;
      font-size: 14px;
      transition: all 0.15s ease;
      border-left: 3px solid transparent;
    }

    .guide-anchors a:hover {
      background: #F8FAFC;
      color: var(--brand);
      border-left-color: var(--brand);
    }

    .guide-content-cards {
      display: grid;
      gap: 22px;
    }

    .guide-doc-card {
      background: #fff;
      border: 1px solid var(--border);
      border-radius: 18px;
      padding: 26px;
      display: grid;
      grid-template-columns: 86px 1fr;
      gap: 20px;
      transition: box-shadow 0.2s ease, transform 0.2s ease;
    }

    .guide-doc-card:hover {
      transform: translateY(-3px);
      box-shadow: 0 16px 36px rgba(15, 23, 42, 0.08);
    }

    .guide-doc-card .doc-icon {
      width: 86px;
      height: 86px;
      border-radius: 18px;
      overflow: hidden;
    }

    .guide-doc-card .doc-icon img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .guide-doc-card .doc-body {
      min-width: 0;
    }

    .guide-doc-card .doc-tag {
      display: inline-block;
      background: rgba(249, 115, 22, 0.08);
      color: #EA580C;
      font-size: 12px;
      padding: 2px 10px;
      border-radius: 999px;
      font-weight: 700;
    }

    .guide-doc-card h3 {
      font-size: 18px;
      margin: 8px 0 6px;
    }

    .guide-doc-card p {
      color: var(--muted);
      font-size: 14px;
      margin: 0 0 8px;
      line-height: 1.7;
    }

    .guide-doc-card .doc-meta {
      font-size: 12px;
      color: #94A3B8;
      display: flex;
      gap: 8px;
      align-items: center;
    }

    @media (max-width: 1023px) {
      .guide-split {
        grid-template-columns: 1fr;
      }

      .guide-aside {
        position: static;
      }

      .guide-anchors {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 6px;
      }

      .guide-anchors a {
        border-left: none;
        background: #F8FAFC;
      }

      .guide-anchors a:hover {
        border-left: none;
      }
    }

    @media (max-width: 639px) {
      .guide-doc-card {
        grid-template-columns: 1fr;
      }

      .guide-doc-card .doc-icon {
        width: 100%;
        height: 150px;
      }
    }

    /* ===== table ===== */
    .data-table-wrap {
      background: #fff;
      border: 1px solid var(--border);
      border-radius: 22px;
      overflow: hidden;
      box-shadow: 0 8px 24px rgba(15, 23, 42, 0.05);
    }

    .data-table-icon {
      position: relative;
      overflow: hidden;
      height: 150px;
    }

    .data-table-icon img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .data-table-icon .data-tag {
      position: absolute;
      top: 12px;
      left: 12px;
      background: rgba(11, 31, 51, 0.76);
      color: #fff;
      border-radius: 999px;
      font-size: 12px;
      padding: 4px 12px;
      backdrop-filter: blur(8px);
    }

    .table-scroll {
      width: 100%;
      overflow-x: auto;
    }

    .rule-table {
      width: 100%;
      border-collapse: collapse;
      min-width: 640px;
    }

    .rule-table th {
      text-align: left;
      background: #F8FAFC;
      color: #0B1F33;
      font-size: 13px;
      font-weight: 700;
      padding: 14px 18px;
      border-bottom: 1px solid var(--border);
    }

    .rule-table td {
      padding: 16px 18px;
      color: #334155;
      font-size: 14px;
      border-bottom: 1px solid #EEF2F7;
      vertical-align: top;
    }

    .rule-table tr:last-child td {
      border-bottom: 0;
    }

    .rule-table td .mode-badge {
      display: inline-block;
      padding: 4px 10px;
      border-radius: 999px;
      background: rgba(0, 102, 204, 0.08);
      color: var(--brand);
      font-size: 12px;
      font-weight: 600;
    }

    .rule-table tbody tr:hover {
      background: #F8FBFF;
    }

    /* ===== FAQ ===== */
    .faq-wrap {
      display: grid;
      gap: 12px;
      max-width: 860px;
      margin: 0 auto;
    }

    .faq-item {
      background: #fff;
      border: 1px solid var(--border);
      border-radius: 16px;
      transition: box-shadow 0.2s ease;
    }

    .faq-item.is-open {
      box-shadow: 0 12px 32px rgba(15, 23, 42, 0.08);
      border-color: rgba(0, 102, 204, 0.32);
    }

    .faq-question {
      display: flex;
      align-items: center;
      justify-content: space-between;
      width: 100%;
      background: transparent;
      border: 0;
      cursor: pointer;
      text-align: left;
      padding: 20px 22px;
      font-size: 16px;
      font-weight: 600;
      color: #1E293B;
      transition: color 0.2s ease;
    }

    .faq-item.is-open .faq-question {
      color: var(--brand);
    }

    .faq-question .fas-icon {
      transition: transform 0.3s ease;
      color: #94A3B8;
      font-size: 18px;
      flex-shrink: 0;
      margin-left: 16px;
    }

    .faq-item.is-open .fas-icon {
      transform: rotate(45deg);
      color: var(--brand);
    }

    .faq-answer {
      display: none;
      padding: 0 22px 22px;
      color: #64748B;
      font-size: 14px;
      line-height: 1.8;
    }

    .faq-item.is-open .faq-answer {
      display: block;
    }

    .faq-answer a {
      color: var(--brand);
      font-weight: 500;
    }

    /* ===== CTA ===== */
    .cta-dark {
      background: linear-gradient(135deg, #0B1F33, #155E9E);
      border-radius: 28px;
      padding: 64px 40px;
      position: relative;
      overflow: hidden;
      text-align: center;
      color: #fff;
    }

    .cta-dark::after {
      content: "";
      position: absolute;
      width: 460px;
      height: 460px;
      background: radial-gradient(circle, rgba(249, 115, 22, 0.22) 0%, transparent 68%);
      right: -90px;
      top: -120px;
      pointer-events: none;
    }

    .cta-dark .cta-title {
      font-size: 34px;
      font-weight: 800;
      margin-bottom: 10px;
    }

    .cta-dark .cta-desc {
      color: rgba(226, 232, 240, 0.86);
      max-width: 600px;
      margin: 0 auto 26px;
      font-size: 14px;
    }

    .cta-dark .cta-buttons {
      display: flex;
      gap: 14px;
      justify-content: center;
      flex-wrap: wrap;
      position: relative;
      z-index: 4;
    }

    .cta-note {
      margin-top: 18px;
      color: #94A3B8;
      font-size: 12px;
      position: relative;
      z-index: 4;
    }

    @media (max-width: 639px) {
      .cta-dark {
        padding: 44px 18px;
        border-radius: 22px;
      }

      .cta-dark .cta-title {
        font-size: 26px;
      }

      .cta-dark .cta-buttons .btn-primary,
      .cta-dark .cta-buttons .btn-secondary {
        width: 100%;
      }
    }

    /* ===== footer ===== */
    .site-footer {
      background: #0B1F33;
      color: #E2E8F0;
      padding-top: 70px;
    }

    .footer-inner {
      display: grid;
      grid-template-columns: 1.7fr 1fr 1fr 1fr;
      gap: 48px;
      padding-bottom: 44px;
    }

    .footer-brand .footer-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 16px;
      color: #fff;
    }

    .footer-brand p {
      font-size: 14px;
      line-height: 1.8;
      color: #94A3B8;
      margin: 0 0 8px;
      max-width: 340px;
    }

    .footer-title {
      color: #fff;
      font-weight: 700;
      margin-bottom: 16px;
      padding-bottom: 10px;
      position: relative;
    }

    .footer-title::after {
      content: "";
      position: absolute;
      left: 0;
      bottom: 0;
      width: 26px;
      height: 2px;
      background: var(--accent);
      border-radius: 2px;
    }

    .footer-links {
      list-style: none;
      padding: 0;
      margin: 0;
      display: grid;
      gap: 10px;
    }

    .footer-links a {
      color: #94A3B8;
      font-size: 14px;
      transition: color 0.2s ease;
    }

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

    .footer-contact p {
      margin: 0 0 8px;
      color: #94A3B8;
      font-size: 14px;
    }

    .footer-bottom {
      border-top: 1px solid rgba(148, 163, 184, 0.18);
      padding: 20px 0;
      display: flex;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 8px;
      font-size: 13px;
      color: #94A3B8;
    }

    .footer-compliance {
      background: rgba(255, 255, 255, 0.03);
      border-top: 1px solid rgba(148, 163, 184, 0.12);
      padding: 14px 20px;
      text-align: center;
      font-size: 12px;
      color: #64748B;
      letter-spacing: 0.4px;
    }

    @media (max-width: 1023px) {
      .footer-inner {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
      }
    }

    @media (max-width: 639px) {
      .footer-inner {
        grid-template-columns: 1fr;
      }
    }

/* roulang page: category2 */
:root {
            --ice-950: #0b1f33;
            --ice-900: #10233e;
            --ice-800: #063e70;
            --ice-blue: #0066cc;
            --ice-cyan: #00a3d9;
            --ice-bg: #f8fafc;
            --ice-card: #ffffff;
            --ember: #f97316;
            --ember-deep: #ea580c;
            --text-main: #1e293b;
            --text-sub: #64748b;
            --text-soft: #94a3b8;
            --line: #e2e8f0;
            --line-light: #f1f5f9;
            --radius-lg: 1rem;
            --radius-md: 0.75rem;
            --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.04);
            --shadow-hover: 0 18px 40px -18px rgba(15, 23, 42, 0.28);
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            background: var(--ice-bg);
            color: var(--text-main);
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
            line-height: 1.75;
            text-rendering: optimizeLegibility;
        }

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

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color .2s ease, background-color .2s ease, border-color .2s ease;
        }

        a:focus-visible,
        button:focus-visible {
            outline: 2px solid var(--ice-blue);
            outline-offset: 3px;
            border-radius: 6px;
        }

        .container-x {
            width: min(100% - 2rem, 80rem);
            margin-inline: auto;
        }

        @media (min-width: 640px) {
            .container-x {
                width: min(100% - 3rem, 80rem);
            }
        }

        @media (min-width: 1024px) {
            .container-x {
                width: min(100% - 4rem, 80rem);
            }
        }

        /* ---------- Header ---------- */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 80;
            background: rgba(255, 255, 255, 0.86);
            backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(226, 232, 240, 0.9);
        }

        .header-inner {
            height: 72px;
            display: grid;
            grid-template-columns: auto 1fr auto;
            align-items: center;
            gap: 1rem;
        }

        .header-left,
        .header-right {
            display: flex;
            align-items: center;
        }

        .header-right {
            justify-content: flex-end;
        }

        .header-left>.main-nav {
            display: none;
        }

        .header-right>.main-nav {
            display: none;
        }

        .menu-toggle {
            width: 42px;
            height: 42px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            border: 1px solid var(--line);
            border-radius: 12px;
            background: #fff;
            color: var(--ice-900);
            cursor: pointer;
            transition: border-color .2s, background-color .2s;
        }

        .menu-toggle:hover {
            border-color: var(--ice-blue);
        }

        .menu-toggle span {
            width: 18px;
            height: 2px;
            display: block;
            background: currentColor;
            border-radius: 4px;
        }

        .site-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            justify-self: start;
        }

        .logo-mark {
            width: 42px;
            height: 42px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 14px;
            background: linear-gradient(135deg, var(--ice-blue), var(--ice-cyan));
            color: #fff;
            font-weight: 800;
            letter-spacing: -0.04em;
            font-size: 0.95rem;
            box-shadow: 0 6px 16px -8px rgba(0, 102, 204, 0.7);
            flex: 0 0 auto;
        }

        .logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.15;
        }

        .logo-name {
            font-weight: 800;
            font-size: 1.06rem;
            color: var(--ice-900);
            letter-spacing: -0.01em;
        }

        .logo-sub {
            font-size: 0.74rem;
            color: var(--text-soft);
            margin-top: 2px;
        }

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

        .nav-link {
            font-size: 0.95rem;
            font-weight: 500;
            color: #334155;
            padding: 8px 12px;
            border-radius: 999px;
            transition: background .2s, color .2s;
        }

        .nav-link:hover {
            color: var(--ice-blue);
            background: rgba(0, 102, 204, 0.06);
        }

        .nav-link.is-active {
            color: var(--ice-blue);
            background: rgba(0, 102, 204, 0.09);
            font-weight: 700;
        }

        .header-cta {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 40px;
            padding: 0 18px;
            margin-left: 8px;
            border-radius: 999px;
            background: linear-gradient(135deg, var(--ember), #ff6b35);
            color: #fff;
            font-size: 0.92rem;
            font-weight: 600;
            box-shadow: 0 6px 18px -10px rgba(249, 115, 22, 0.9);
            transition: transform .2s, box-shadow .2s;
        }

        .header-cta:hover {
            transform: translateY(-1px);
            box-shadow: 0 10px 20px -10px rgba(249, 115, 22, 0.95);
            color: #fff;
        }

        /* Mobile menu panel */
        .mobile-panel {
            background: #fff;
            border-bottom: 1px solid var(--line);
            padding: 14px 16px 20px;
            box-shadow: 0 24px 32px -30px rgba(2, 6, 23, 0.24);
        }

        .mobile-panel .mobile-nav-links {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .mobile-panel .nav-link {
            display: flex;
            align-items: center;
            min-height: 46px;
            border-radius: 12px;
            padding-left: 14px;
            color: var(--text-main);
        }

        .mobile-panel .nav-link.is-active {
            background: rgba(0, 102, 204, .09);
            color: var(--ice-blue);
        }

        .mobile-panel .mobile-cta {
            margin-top: 14px;
            width: 100%;
            justify-content: center;
        }

        @media (min-width: 1024px) {
            .header-inner {
                height: 80px;
                grid-template-columns: 1fr auto 1fr;
                gap: 24px;
            }

            .menu-toggle {
                display: none;
            }

            .header-left>.main-nav,
            .header-right>.main-nav {
                display: flex;
            }

            .site-logo {
                justify-self: center;
            }

            .user-info-lg {
                display: block;
            }
        }

        /* ---------- Hero ---------- */
        .ice-hero {
            position: relative;
            overflow: hidden;
            min-height: clamp(600px, 86vh, 820px);
            display: flex;
            align-items: center;
            padding: 72px 0 84px;
            background: var(--ice-950);
            color: #fff;
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: .5;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background:
                radial-gradient(circle at 18% 12%, rgba(0, 163, 217, .36), transparent 32%),
                radial-gradient(circle at 80% 78%, rgba(249, 115, 22, .16), transparent 32%),
                linear-gradient(120deg, rgba(11, 31, 51, .94) 0%, rgba(11, 31, 51, .82) 44%, rgba(11, 31, 51, .55) 100%);
        }

        .hero-content {
            position: relative;
            z-index: 2;
            display: grid;
            gap: 42px;
            align-items: center;
        }

        .hero-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border: 1px solid rgba(255, 255, 255, .16);
            border-radius: 999px;
            padding: 6px 14px;
            font-size: .78rem;
            letter-spacing: .14em;
            background: rgba(255, 255, 255, .04);
            color: #bae0fd;
            text-transform: uppercase;
        }

        .hero-eyebrow .eyebrow-dot {
            width: 6px;
            height: 6px;
            background: var(--ember);
            border-radius: 999px;
            box-shadow: 0 0 0 0 rgba(249, 115, 22, .4);
        }

        .hero-title {
            margin: 22px 0 18px;
            font-size: clamp(2.2rem, 4vw, 3.6rem);
            line-height: 1.2;
            font-weight: 800;
            letter-spacing: -0.03em;
            color: #fff;
        }

        .hero-title .accent {
            color: #7cc9fb;
        }

        .hero-lead {
            font-size: clamp(1.16rem, 1.6vw, 1.4rem);
            line-height: 1.65;
            font-weight: 500;
            color: #e2e8f0;
            max-width: 560px;
        }

        .hero-desc {
            color: #94a3b8;
            margin-top: 16px;
            max-width: 530px;
            font-size: .98rem;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-top: 30px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 46px;
            border-radius: 14px;
            padding: 0 22px;
            font-weight: 600;
            font-size: .97rem;
            transition: all .2s;
            border: 1px solid transparent;
            cursor: pointer;
            user-select: none;
        }

        .btn-primary {
            background: linear-gradient(135deg, #f97316, #ff6b35);
            color: #fff;
            box-shadow: 0 12px 24px -14px rgba(249, 115, 22, .9);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 16px 28px -14px rgba(249, 115, 22, 1);
            color: #fff;
        }

        .btn-primary:active {
            transform: translateY(0);
        }

        .btn-ghost {
            border-color: rgba(255, 255, 255, .4);
            color: #e2e8f0;
            background: transparent;
        }

        .btn-ghost:hover {
            background: rgba(255, 255, 255, .08);
            color: #fff;
            border-color: #fff;
        }

        .hero-board {
            max-width: 380px;
            margin-left: auto;
            width: 100%;
        }

        .next-card {
            background: rgba(255, 255, 255, .08);
            border: 1px solid rgba(255, 255, 255, .16);
            border-radius: 24px;
            padding: 26px;
            backdrop-filter: blur(8px);
            box-shadow: 0 22px 48px -28px rgba(0, 0, 0, .6);
        }

        .next-card .card-kicker {
            font-size: .78rem;
            letter-spacing: .1em;
            color: #93c5fd;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .next-card .card-kicker i {
            color: var(--ember);
        }

        .next-card .card-title {
            color: #fff;
            font-size: 1.55rem;
            line-height: 1.3;
            font-weight: 700;
            margin: 12px 0 8px;
        }

        .next-card .card-description {
            color: #cbd5e1;
            font-size: .92rem;
            margin-bottom: 18px;
        }

        .next-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 16px;
        }

        .next-meta span {
            background: rgba(255, 255, 255, .08);
            border-radius: 999px;
            font-size: .82rem;
            color: #e2e8f0;
            padding: 6px 12px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .next-progress {
            margin-top: 10px;
        }

        .next-progress-head {
            display: flex;
            justify-content: space-between;
            font-size: .8rem;
            color: #94a3b8;
            margin-bottom: 6px;
        }

        .progress-bar {
            height: 6px;
            background: rgba(255, 255, 255, .12);
            border-radius: 999px;
            overflow: hidden;
        }

        .progress-bar i {
            display: block;
            height: 100%;
            width: 66%;
            background: linear-gradient(90deg, var(--ember), #ffb67a);
            border-radius: inherit;
        }

        @media (min-width: 768px) {
            .hero-content {
                grid-template-columns: 1.1fr .9fr;
            }
        }

        /* ---------- Stat ribbon ---------- */
        .stat-ribbon {
            background: #fff;
            border-bottom: 1px solid var(--line);
        }

        .stat-grid {
            display: grid;
            grid-template-columns: repeat(2, minmax(0, 1fr));
            gap: 1px;
            background: var(--line);
            border-left: 1px solid var(--line);
        }

        .stat-card {
            background: #fff;
            padding: 24px 20px;
            text-align: center;
            transition: background .2s;
        }

        .stat-card:hover {
            background: #f8fafc;
        }

        .stat-num {
            font-family: "DIN Alternate", "Roboto Condensed", sans-serif;
            font-size: clamp(1.8rem, 2.4vw, 2.6rem);
            font-weight: 800;
            color: var(--ice-900);
            line-height: 1.2;
        }

        .stat-num em {
            color: var(--ember);
            font-style: normal;
        }

        .stat-label {
            margin-top: 6px;
            color: var(--text-sub);
            font-size: .95rem;
        }

        @media (min-width: 1024px) {
            .stat-card {
                padding: 32px 20px;
            }

            .stat-grid {
                grid-template-columns: repeat(4, minmax(0, 1fr));
            }
        }

        /* ---------- Section utilities ---------- */
        .ice-section {
            padding: clamp(64px, 7vw, 104px) 0;
        }

        .section-head {
            max-width: 700px;
            margin-bottom: 40px;
        }

        .section-head.center {
            margin-inline: auto;
            text-align: center;
        }

        .eyebrow {
            font-size: .78rem;
            letter-spacing: .16em;
            color: var(--ice-blue);
            text-transform: uppercase;
            font-weight: 700;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .section-head.center .eyebrow {
            justify-content: center;
        }

        .eyebrow::before {
            content: "";
            width: 18px;
            height: 2px;
            background: var(--ember);
            border-radius: 2px;
        }

        .section-title {
            font-size: clamp(1.7rem, 3vw, 2.5rem);
            line-height: 1.25;
            font-weight: 800;
            color: var(--ice-950);
            margin: 10px 0 12px;
            letter-spacing: -0.02em;
        }

        .section-description {
            color: var(--text-sub);
            font-size: 1rem;
            max-width: 680px;
        }

        .section-card {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--line);
            box-shadow: var(--shadow-sm);
        }

        .section-card .section-title {
            font-size: clamp(1.35rem, 2vw, 1.8rem);
        }

        /* ---------- Mosaic info cards ---------- */
        .mosaic-grid {
            display: grid;
            gap: 20px;
        }

        .feature-info {
            min-height: 340px;
            background: #fff;
            border-radius: 20px;
            border: 1px solid var(--line);
            overflow: hidden;
            transition: transform .24s ease, box-shadow .24s ease;
            display: flex;
            flex-direction: column;
        }

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

        .feature-image {
            height: 200px;
            overflow: hidden;
            position: relative;
            background: #d9e4f0;
        }

        .feature-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .6s ease;
        }

        .feature-info:hover .feature-image img {
            transform: scale(1.04);
        }

        .feature-badge {
            position: absolute;
            left: 14px;
            top: 14px;
            background: rgba(11, 31, 51, .72);
            backdrop-filter: blur(6px);
            color: #fff;
            border-radius: 999px;
            padding: 5px 12px;
            font-size: .78rem;
            border: 1px solid rgba(255, 255, 255, .16);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .feature-badge.hot {
            background: linear-gradient(135deg, var(--ember), #ff8a50);
            border: none;
        }

        .feature-content {
            flex: 1;
            display: flex;
            flex-direction: column;
            padding: 20px;
        }

        .feature-title {
            font-size: 1.22rem;
            line-height: 1.35;
            font-weight: 700;
            color: var(--ice-950);
        }

        .feature-excerpt {
            color: var(--text-sub);
            font-size: .9rem;
            margin-top: 8px;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .feature-meta {
            margin-top: 14px;
            font-size: .8rem;
            color: var(--text-soft);
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .tag-chip {
            display: inline-flex;
            align-items: center;
            border-radius: 999px;
            background: rgba(0, 102, 204, .1);
            color: var(--ice-blue);
            font-size: .76rem;
            padding: 4px 10px;
        }

        .split-card {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: 18px;
            padding: 20px;
            display: flex;
            gap: 16px;
            transition: transform .22s, box-shadow .22s;
        }

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

        .split-card-thumb {
            flex: 0 0 92px;
            width: 92px;
            height: 92px;
            border-radius: 14px;
            object-fit: cover;
            background: #dbe7f2;
        }

        .split-card-title {
            font-size: 1rem;
            font-weight: 700;
            line-height: 1.4;
            color: var(--ice-950);
            margin-bottom: 6px;
        }

        .split-card-excerpt {
            color: var(--text-sub);
            font-size: .86rem;
            overflow: hidden;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
        }

        @media (min-width: 768px) {
            .mosaic-grid {
                grid-template-columns: repeat(2, minmax(0, 1fr));
            }

            .feature-info.is-main {
                grid-column: span 2;
            }
        }

        @media (min-width: 1024px) {
            .mosaic-grid {
                grid-template-columns: repeat(3, minmax(0, 1fr));
            }

            .feature-info.is-main {
                grid-column: span 1;
            }
        }

        /* news list */
        .notice-row {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            padding: 18px 0;
            border-bottom: 1px solid var(--line);
            transition: background .2s;
        }

        .notice-row:last-of-type {
            border-bottom: none;
        }

        .notice-row:hover .notice-title {
            color: var(--ice-blue);
        }

        .notice-dot {
            width: 8px;
            height: 8px;
            border-radius: 999px;
            background: var(--ember);
            margin-top: 10px;
            flex: 0 0 auto;
            box-shadow: 0 0 0 5px rgba(249, 115, 22, .12);
        }

        .notice-meta {
            display: flex;
            gap: 10px;
            align-items: center;
            font-size: .76rem;
            color: var(--text-soft);
            margin-bottom: 4px;
            font-weight: 500;
        }

        .notice-meta span.type {
            color: var(--ice-blue);
        }

        .notice-title {
            font-size: 1rem;
            line-height: 1.45;
            font-weight: 600;
            color: #0f172a;
            transition: color .2s;
        }

        .notice-excerpt {
            font-size: .87rem;
            color: var(--text-sub);
            margin-top: 4px;
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .notice-link {
            margin-left: auto;
            color: var(--text-soft);
        }

        .notice-link i {
            margin-left: 2px;
            transition: transform .2s;
        }

        .notice-row:hover .notice-link {
            color: var(--ice-blue);
        }

        .notice-row:hover .notice-link i {
            transform: translateX(3px);
        }

        /* ---------- Steps/participation flow ---------- */
        .flow-wrap {
            background: #0b1f33;
            color: #e5edf6;
            border-radius: 28px;
            overflow: hidden;
            padding: clamp(28px, 5vw, 52px);
            position: relative;
        }

        .flow-wrap::before {
            content: "";
            position: absolute;
            right: -60px;
            top: -60px;
            width: 240px;
            height: 240px;
            background: radial-gradient(circle, rgba(0, 163, 217, .18), transparent 70%);
        }

        .flow-grid {
            display: grid;
            gap: 22px;
            margin-top: 28px;
            position: relative;
        }

        .flow-step {
            background: rgba(255, 255, 255, .06);
            border: 1px solid rgba(255, 255, 255, .1);
            border-radius: 18px;
            padding: 20px;
            display: flex;
            gap: 18px;
            transition: background .2s, border-color .2s;
        }

        .flow-step:hover {
            border-color: rgba(255, 255, 255, .3);
            background: rgba(255, 255, 255, .09);
        }

        .flow-num {
            width: 44px;
            height: 44px;
            border-radius: 14px;
            background: linear-gradient(145deg, #ffffff, #dbe4f0);
            color: var(--ice-950);
            font-weight: 800;
            font-family: "Roboto Condensed", "DIN Alternate", sans-serif;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            justify-content: center;
            flex: 0 0 auto;
            box-shadow: 0 6px 18px -10px rgba(255, 255, 255, .7);
        }

        .flow-title {
            font-size: 1.04rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 4px;
        }

        .flow-text {
            color: #a3b6c8;
            font-size: .88rem;
        }

        .flow-tip {
            margin-top: 8px;
            font-size: .78rem;
            display: flex;
            align-items: center;
            gap: 6px;
            color: #7cc9fb;
        }

        .flow-tip i {
            color: var(--ember);
        }

        @media (min-width: 1024px) {
            .flow-grid {
                grid-template-columns: repeat(2, minmax(0, 1fr));
            }
        }

        /* ---------- Reward section ---------- */
        .reward-panel {
            border-radius: 24px;
            background: #fff;
            border: 1px solid var(--line);
            overflow: hidden;
        }

        .reward-main {
            position: relative;
            color: #fff;
            background: linear-gradient(135deg, #0b1f33 0%, #155e9e 100%);
            padding: clamp(24px, 4vw, 42px);
        }

        .reward-main::after {
            content: "";
            position: absolute;
            right: 20px;
            bottom: 20px;
            width: 120px;
            height: 120px;
            background: radial-gradient(circle, rgba(255, 164, 72, .4), transparent 70%);
            pointer-events: none;
        }

        .reward-kicker {
            font-size: .78rem;
            letter-spacing: .1em;
            color: #93c5fd;
            font-weight: 700;
            display: flex;
            gap: 8px;
            align-items: center;
        }

        .reward-kicker i {
            color: var(--ember);
        }

        .reward-main-title {
            font-size: clamp(1.5rem, 2.6vw, 2.4rem);
            line-height: 1.3;
            font-weight: 800;
            color: #fff;
            max-width: 420px;
            margin-top: 14px;
        }

        .reward-main-desc {
            color: #cbd5e1;
            font-size: .95rem;
            max-width: 480px;
            margin-top: 8px;
        }

        .reward-big-num {
            font-size: clamp(2rem, 4vw, 3rem);
            color: #ffb67a;
            font-weight: 800;
            font-family: "DIN Alternate", "Roboto Condensed", sans-serif;
            line-height: 1.1;
            margin-top: 22px;
        }

        .reward-big-label {
            font-size: .86rem;
            color: #bae0fd;
        }

        .reward-item {
            display: flex;
            gap: 14px;
            align-items: flex-start;
            padding: 22px 20px;
            border-bottom: 1px solid var(--line);
        }

        .reward-item:last-child {
            border-bottom: none;
        }

        .reward-icon {
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: rgba(0, 102, 204, .08);
            color: var(--ice-blue);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
        }

        .reward-item-title {
            font-weight: 700;
            color: var(--ice-950);
            font-size: 1rem;
        }

        .reward-item-text {
            font-size: .85rem;
            color: var(--text-sub);
            margin-top: 4px;
        }

        .reward-caution {
            background: #fff8f3;
            border: 1px solid #fed7aa;
            color: #9a3412;
            border-radius: 14px;
            padding: 14px 18px;
            font-size: .88rem;
            display: flex;
            gap: 10px;
            margin-top: 20px;
        }

        /* ---------- FAQ ---------- */
        .faq-section {
            background: #f8fafc;
        }

        .faq-list {
            max-width: 900px;
            margin-inline: auto;
            display: grid;
            gap: 14px;
        }

        .faq-item {
            background: #fff;
            border-radius: 16px;
            border: 1px solid var(--line);
            overflow: hidden;
            transition: box-shadow .2s;
        }

        .faq-item.is-open {
            box-shadow: 0 12px 24px -20px rgba(15, 23, 42, .25);
            border-color: #cbd5e1;
        }

        .faq-question {
            width: 100%;
            min-height: 56px;
            background: none;
            border: 0;
            cursor: pointer;
            padding: 14px 18px;
            display: flex;
            align-items: center;
            gap: 12px;
            justify-content: space-between;
            text-align: left;
            font-size: .98rem;
            font-weight: 600;
            color: var(--ice-950);
            transition: color .2s;
        }

        .faq-question:hover {
            color: var(--ice-blue);
        }

        .faq-question .q-icon {
            flex: 0 0 auto;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(0, 102, 204, .08);
            color: var(--ice-blue);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            transition: all .2s;
        }

        .faq-item.is-open .q-icon {
            background: var(--ice-blue);
            color: #fff;
        }

        .faq-answer {
            padding: 0 18px;
            max-height: 0;
            overflow: hidden;
            transition: max-height .28s ease;
        }

        .faq-answer p {
            padding: 0 0 18px 40px;
            color: var(--text-sub);
            font-size: .93rem;
        }

        .faq-support {
            text-align: center;
            margin-top: 24px;
            font-size: .9rem;
            color: var(--text-sub);
        }

        .faq-support a {
            color: var(--ice-blue);
            font-weight: 600;
        }

        .faq-support a:hover {
            text-decoration: underline;
        }

        /* CTA */
        .cta-zone {
            padding: clamp(60px, 8vw, 110px) 0;
        }

        .cta-card {
            border-radius: 28px;
            background:
                radial-gradient(circle at 80% 30%, rgba(249, 115, 22, .28), transparent 36%),
                radial-gradient(circle at 12% 100%, rgba(0, 163, 217, .18), transparent 34%),
                linear-gradient(135deg, #0b1f33 0%, #155e9e 100%);
            color: #fff;
            padding: clamp(28px, 5vw, 70px);
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-card .cta-title {
            font-size: clamp(1.7rem, 3vw, 2.5rem);
            font-weight: 800;
            line-height: 1.3;
        }

        .cta-card .cta-desc {
            color: #cbd5e1;
            margin: 12px auto 0;
            max-width: 560px;
        }

        .cta-actions {
            margin-top: 26px;
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .cta-note {
            margin-top: 20px;
            font-size: .78rem;
            color: #94a3b8;
        }

        /* ---------- Footer ---------- */
        .site-footer {
            background: #0b1f33;
            color: #cbd5e1;
            font-size: .9rem;
        }

        .footer-inner {
            display: grid;
            gap: 32px;
            padding: 52px 0 36px;
        }

        .footer-brand .logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .footer-brand p {
            margin-top: 14px;
            color: #94a3b8;
            font-size: .88rem;
            max-width: 300px;
        }

        .footer-title {
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            font-size: 1rem;
        }

        .footer-links {
            display: grid;
            gap: 10px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .footer-links li {}

        .footer-links a {
            color: #94a3b8;
            font-size: .88rem;
            transition: color .2s, padding-left .2s;
        }

        .footer-links a:hover {
            color: #fff;
            padding-left: 4px;
        }

        .footer-contact {
            display: grid;
            gap: 8px;
            color: #94a3b8;
            font-size: .86rem;
            margin: 0;
        }

        .footer-contact p {
            margin: 0;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .08);
            padding: 20px 0 10px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 6px;
            font-size: .82rem;
            color: #7f93a6;
        }

        .footer-compliance {
            padding: 14px 0 20px;
            text-align: center;
            color: #63768a;
            font-size: .78rem;
            border-top: 1px solid rgba(255, 255, 255, .05);
            margin-top: 6px;
        }

        @media (min-width: 768px) {
            .footer-inner {
                grid-template-columns: 2fr 1fr 1fr 1fr;
                gap: 18px;
            }
        }

        @media (min-width: 1024px) {
            .footer-inner {
                gap: 32px;
            }
        }