/* roulang page: index */
:root {
    --color-primary: #1F4A3A;
    --color-primary-light: #2E5F4B;
    --color-gold: #B4864A;
    --color-gold-light: #C9A569;
    --color-bg: #F7F3EC;
    --color-card: #FFFFFF;
    --color-text: #262624;
    --color-text-muted: #6E6B64;
    --color-cta: #C77C3D;
    --color-cta-hover: #A9632F;
    --color-dark-bg: #1F3D30;
    --radius-lg: 16px;
    --radius-md: 10px;
    --radius-pill: 999px;
    --shadow-card: 0 1px 2px rgba(0,0,0,0.04), 0 4px 16px rgba(0,0,0,0.06);
    --shadow-hover: 0 8px 28px rgba(31,74,58,0.14);
    --space-section: 96px;
    --font-body: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
    --font-heading: "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif;
  }
  * { box-sizing: border-box; margin: 0; padding: 0; }
  html { scroll-behavior: smooth; }
  body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.9;
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
  }
  h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.35;
    letter-spacing: 0.02em;
    color: var(--color-text);
  }
  a { color: inherit; text-decoration: none; transition: color .2s ease; }
  img { max-width: 100%; height: auto; display: block; }
  button { font-family: inherit; cursor: pointer; border: none; background: none; }
  input, select, textarea { font-family: inherit; font-size: inherit; }

  .container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

  /* ===== Header ===== */
  .site-header { background: #fff; box-shadow: 0 1px 0 rgba(0,0,0,0.05); position: sticky; top: 0; z-index: 100; }
  .header-main { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-top: 14px; padding-bottom: 14px; }
  .logo { display: flex; align-items: center; gap: 10px; text-decoration: none; flex-shrink: 0; }
  .logo-mark {
    display: inline-flex; align-items: center; justify-content: center;
    width: 38px; height: 38px; background: var(--color-primary); color: #fff;
    border-radius: 8px; font-family: var(--font-heading); font-size: 20px; font-weight: 900;
  }
  .logo-text { font-family: var(--font-heading); font-size: 20px; font-weight: 700; color: var(--color-text); letter-spacing: .02em; }
  .logo-sub { font-size: 10px; letter-spacing: .04em; color: var(--color-text-muted); display: block; line-height: 1.2; }

  .header-search { flex: 1; max-width: 520px; position: relative; margin: 0 16px; }
  .header-search .search-icon { position: absolute; left: 16px; top: 50%; transform: translateY(-50%); width: 17px; height: 17px; color: var(--color-text-muted); pointer-events: none; }
  .header-search input {
    width: 100%; height: 40px; border-radius: var(--radius-pill); border: 1px solid #E5E0D8;
    background: var(--color-bg); padding: 0 16px 0 44px; font-size: 14px; outline: none; transition: all .25s ease;
  }
  .header-search input::placeholder { color: #A29B8F; }
  .header-search input:focus { border-color: var(--color-gold); box-shadow: 0 0 0 3px rgba(180,134,74,0.18); background: #fff; }

  .header-actions { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
  .header-actions .btn-login { padding: 8px 14px; font-size: 14px; color: var(--color-primary); border-radius: var(--radius-md); background: transparent; transition: background .2s; }
  .header-actions .btn-login:hover { background: rgba(31,74,58,0.06); }
  .btn-primary {
    display: inline-flex; align-items: center; justify-content: center; gap: 6px;
    background: var(--color-cta); color: #fff !important; border-radius: var(--radius-md);
    padding: 10px 22px; font-size: 14px; font-weight: 500; transition: all .25s ease; white-space: nowrap;
  }
  .btn-primary:hover { background: var(--color-cta-hover); transform: translateY(-1px); box-shadow: 0 4px 14px rgba(199,124,61,0.3); }
  .btn-primary:focus-visible { outline: 2px solid var(--color-gold); outline-offset: 2px; }

  .main-nav { border-top: 1px solid #F0EDE7; background: #fff; }
  .nav-inner { display: flex; align-items: center; gap: 32px; overflow-x: auto; }
  .nav-inner a {
    display: inline-flex; align-items: center; padding: 12px 2px 10px; font-size: 15px;
    color: var(--color-text-muted); border-bottom: 2px solid transparent; white-space: nowrap; transition: all .2s;
  }
  .nav-inner a:hover { color: var(--color-primary); }
  .nav-inner a.active { color: var(--color-primary); border-bottom-color: var(--color-gold); font-weight: 500; }

  .mobile-toggle { display: none; width: 40px; height: 40px; border-radius: var(--radius-md); flex-direction: column; align-items: center; justify-content: center; gap: 4px; background: transparent; }
  .mobile-toggle span { display: block; width: 20px; height: 2px; background: var(--color-text); border-radius: 2px; transition: all .25s; }
  .mobile-toggle.active span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
  .mobile-toggle.active span:nth-child(2) { opacity: 0; }
  .mobile-toggle.active span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
  .mobile-search-toggle { display: none; width: 40px; height: 40px; border-radius: var(--radius-md); align-items: center; justify-content: center; background: transparent; }
  .mobile-search-toggle svg { width: 19px; height: 19px; color: var(--color-text); }
  .mobile-search-panel { display: none; padding: 0 16px 14px; }
  .mobile-search-panel.open { display: block; }
  .mobile-search-panel .header-search { max-width: none; margin: 0; }

  @media (max-width: 767px) {
    .header-search.desktop-search { display: none; }
    .mobile-search-toggle { display: flex; }
    .mobile-toggle { display: flex; }
    .header-actions .btn-login { display: none; }
    .header-actions .btn-primary { padding: 8px 16px; font-size: 13px; }
    .nav-inner { flex-wrap: nowrap; padding: 0 16px; }
    .nav-inner a { font-size: 14px; padding-top: 10px; padding-bottom: 8px; }
    .nav-inner::-webkit-scrollbar { display: none; }
  }
  @media (max-width: 480px) {
    .logo-sub { display: none; }
    .logo-text { font-size: 18px; }
    .header-main { gap: 8px; }
  }

  /* ===== Hero ===== */
  .hero {
    position: relative; background-size: cover; background-position: center 30%;
    padding: 88px 0 72px; overflow: hidden;
    background-image: linear-gradient(120deg, rgba(247,243,236,0.96) 0%, rgba(247,243,236,0.86) 55%, rgba(247,243,236,0.5) 100%), url('/assets/images/backpic/back-1.webp');
  }
  .hero::after {
    content: ''; position: absolute; right: -120px; top: -60px; width: 380px; height: 380px; pointer-events: none;
    background: radial-gradient(circle at center, rgba(31,74,58,0.08) 0%, transparent 70%);
    border-radius: 50%;
  }
  .hero-inner { display: flex; align-items: center; gap: 48px; position: relative; z-index: 2; }
  .hero-copy { flex: 1.1; }
  .hero-copy h1 { font-size: 42px; line-height: 1.25; margin-bottom: 18px; }
  .hero-sub { font-size: 18px; color: var(--color-primary-light); margin-bottom: 32px; line-height: 1.6; }
  .hero-searchbox { display: flex; align-items: center; max-width: 560px; background: #fff; border-radius: var(--radius-pill); box-shadow: var(--shadow-card); padding: 6px 6px 6px 20px; height: 54px; border: 1px solid #EDE8E0; transition: all .25s; }
  .hero-searchbox:focus-within { border-color: var(--color-gold); box-shadow: 0 0 0 4px rgba(180,134,74,0.15), var(--shadow-card); }
  .hero-searchbox svg { width: 18px; height: 18px; color: var(--color-text-muted); flex-shrink: 0; margin-right: 10px; }
  .hero-searchbox input { flex: 1; border: none; outline: none; font-size: 15px; background: transparent; min-width: 0; }
  .hero-searchbox input::placeholder { color: #A29B8F; }
  .hero-searchbox button {
    flex-shrink: 0; height: 42px; padding: 0 26px; border-radius: var(--radius-pill); background: var(--color-primary);
    color: #fff; font-size: 14px; font-weight: 500; transition: all .25s;
  }
  .hero-searchbox button:hover { background: var(--color-primary-light); }
  .hero-quick-links { display: flex; gap: 24px; margin-top: 28px; flex-wrap: wrap; }
  .hero-quick-links a { display: inline-flex; align-items: center; gap: 7px; font-size: 14px; color: var(--color-text-muted); transition: color .2s; }
  .hero-quick-links a:hover { color: var(--color-gold); }
  .hero-quick-links a svg { width: 16px; height: 16px; }
  .hero-figure { flex: 0.9; }
  .hero-figure img { border-radius: var(--radius-lg); box-shadow: var(--shadow-card); width: 100%; object-fit: cover; }
  @media (max-width: 991px) { .hero-inner { flex-direction: column; gap: 32px; } .hero-figure { max-width: 560px; margin: 0 auto; } }
  @media (max-width: 767px) {
    .hero { padding: 56px 0 48px; }
    .hero-copy h1 { font-size: 28px; }
    .hero-sub { font-size: 16px; margin-bottom: 22px; }
    .hero-searchbox { height: 50px; padding-left: 14px; }
    .hero-searchbox button { padding: 0 18px; font-size: 13px; height: 38px; }
    .hero-quick-links { gap: 16px; }
  }

  /* ===== Section spacing ===== */
  .section { padding: var(--space-section) 0; }
  .section-sm { padding: 48px 0; }
  .section-head { text-align: center; max-width: 720px; margin: 0 auto 52px; }
  .section-head h2 { font-size: 30px; margin-bottom: 14px; }
  .section-head p { color: var(--color-text-muted); font-size: 16px; line-height: 1.8; }
  .section-head .badge { display: inline-block; background: rgba(180,134,74,0.1); color: var(--color-gold); font-size: 13px; border: 1px solid rgba(180,134,74,0.2); padding: 4px 14px; border-radius: 6px; margin-bottom: 14px; letter-spacing: .04em; }
  @media (max-width: 767px) { .section { padding: 48px 0; } .section-head h2 { font-size: 22px; } }

  /* ===== Pain points ===== */
  .pain-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
  .pain-card {
    background: #FAF7F1; border: 1px solid rgba(180,134,74,0.1); border-radius: var(--radius-lg);
    padding: 32px 24px; transition: all .25s ease; position: relative;
  }
  .pain-card:hover { border-color: var(--color-gold); transform: translateY(-2px); box-shadow: var(--shadow-hover); }
  .pain-card .pain-icon { width: 42px; height: 42px; border-radius: 10px; background: rgba(31,74,58,0.08); display: flex; align-items: center; justify-content: center; margin-bottom: 18px; }
  .pain-card .pain-icon svg { width: 20px; height: 20px; color: var(--color-primary); }
  .pain-card h3 { font-size: 17px; margin-bottom: 9px; }
  .pain-card p { font-size: 14px; color: var(--color-text-muted); line-height: 1.7; }
  .pain-more { text-align: center; margin-top: 42px; }
  .pain-more a { color: var(--color-primary); font-size: 15px; font-weight: 500; border-bottom: 1px solid var(--color-gold); padding-bottom: 2px; }
  .pain-more a:hover { color: var(--color-gold); }
  @media (max-width: 991px) { .pain-grid { grid-template-columns: repeat(2, 1fr); } }
  @media (max-width: 520px) { .pain-grid { grid-template-columns: 1fr; } }

  /* ===== Solutions ===== */
  .solutions { background: #fff; }
  .sol-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
  .sol-card {
    background: #fff; border: 1px solid #EFEBE4; border-radius: var(--radius-lg); padding: 36px 28px 28px;
    transition: all .3s ease; position: relative; overflow: hidden;
  }
  .sol-card::before { content: ''; position: absolute; left: 0; top: 0; width: 3px; height: 60px; background: var(--color-gold); opacity: 0; transition: opacity .3s; }
  .sol-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: rgba(180,134,74,0.2); }
  .sol-card:hover::before { opacity: 1; }
  .sol-card .sol-icon { width: 48px; height: 48px; border-radius: 12px; background: var(--color-primary); display: flex; align-items: center; justify-content: center; margin-bottom: 22px; }
  .sol-card .sol-icon svg { width: 22px; height: 22px; color: #fff; }
  .sol-card h3 { font-size: 19px; margin-bottom: 12px; }
  .sol-card p { font-size: 14px; color: var(--color-text-muted); line-height: 1.8; margin-bottom: 20px; }
  .sol-card .sol-link { display: flex; justify-content: flex-end; font-size: 14px; color: var(--color-primary); font-weight: 500; }
  .sol-card .sol-link:hover { color: var(--color-gold); }
  .sol-card .sol-img { border-radius: 10px; overflow: hidden; margin-bottom: 20px; }
  .sol-card .sol-img img { width: 100%; height: 140px; object-fit: cover; transition: transform .4s; }
  .sol-card:hover .sol-img img { transform: scale(1.03); }
  @media (max-width: 991px) { .sol-grid { grid-template-columns: repeat(2, 1fr); } }
  @media (max-width: 640px) { .sol-grid { grid-template-columns: 1fr; } }

  /* ===== Stats ===== */
  .stats { background: var(--color-dark-bg); position: relative; overflow: hidden; }
  .stats::before { content: ''; position: absolute; left: -80px; bottom: -120px; width: 320px; height: 320px; background: radial-gradient(circle, rgba(180,134,74,0.08) 0%, transparent 70%); }
  .stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 40px; position: relative; z-index: 2; }
  .stat-item { text-align: center; position: relative; }
  .stat-item:not(:last-child)::after { content: ''; position: absolute; right: -20px; top: 20%; height: 60%; width: 1px; background: rgba(180,134,74,0.25); }
  .stat-num { font-family: var(--font-heading); font-size: 48px; font-weight: 900; color: var(--color-gold); line-height: 1.2; }
  .stat-label { font-size: 14px; color: rgba(255,255,255,0.7); margin-top: 8px; }
  @media (max-width: 767px) {
    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 32px 20px; }
    .stat-item:nth-child(2)::after { display: none; }
    .stat-num { font-size: 34px; }
  }

  /* ===== News / CMS list ===== */
  .news-wrap { display: grid; grid-template-columns: 1fr 300px; gap: 48px; }
  .news-list { display: flex; flex-direction: column; }
  .news-item {
    display: flex; align-items: flex-start; gap: 20px; padding: 24px 16px;
    border-radius: var(--radius-lg); border: 1px solid transparent; transition: all .25s ease;
  }
  .news-item:hover { background: #FAF7F1; border-color: rgba(180,134,74,0.15); }
  .news-item .news-thumb { width: 130px; height: 88px; border-radius: 10px; overflow: hidden; flex-shrink: 0; }
  .news-item .news-thumb img { width: 100%; height: 100%; object-fit: cover; }
  .news-body { flex: 1; min-width: 0; }
  .news-meta { display: flex; align-items: center; gap: 12px; margin-bottom: 6px; flex-wrap: wrap; }
  .news-cat { display: inline-block; background: rgba(31,74,58,0.06); color: var(--color-primary); font-size: 12px; border-radius: 4px; padding: 2px 10px; }
  .news-date { font-size: 13px; color: var(--color-text-muted); }
  .news-body h3 { font-size: 17px; margin-bottom: 6px; }
  .news-body h3 a { transition: color .2s; }
  .news-body h3 a:hover { color: var(--color-gold); }
  .news-body p { font-size: 14px; color: var(--color-text-muted); line-height: 1.7; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
  .news-read { display: inline-block; margin-top: 8px; font-size: 13px; color: var(--color-primary); }
  .news-read:hover { color: var(--color-gold); }
  .news-sidebar { background: #FAF7F1; border-radius: var(--radius-lg); padding: 28px 24px; border: 1px solid rgba(180,134,74,0.12); height: fit-content; position: sticky; top: 120px; }
  .news-sidebar h3 { font-size: 18px; margin-bottom: 20px; position: relative; padding-bottom: 12px; }
  .news-sidebar h3::after { content: ''; position: absolute; left: 0; bottom: 0; width: 36px; height: 2px; background: var(--color-gold); }
  .side-tags { display: flex; flex-wrap: wrap; gap: 8px; }
  .side-tags a { display: inline-block; padding: 5px 12px; border: 1px solid rgba(180,134,74,0.28); border-radius: var(--radius-pill); font-size: 13px; color: var(--color-primary); background: #fff; transition: all .2s; }
  .side-tags a:hover { background: var(--color-gold); border-color: var(--color-gold); color: #fff; }
  .side-links { list-style: none; }
  .side-links li { padding: 9px 0; border-bottom: 1px dashed rgba(31,74,58,0.1); font-size: 14px; }
  .side-links li a { color: var(--color-text-muted); }
  .side-links li a:hover { color: var(--color-gold); }
  .empty-tip { padding: 52px 24px; text-align: center; color: var(--color-text-muted); background: #FAF7F1; border-radius: var(--radius-lg); font-size: 15px; }
  @media (max-width: 991px) { .news-wrap { grid-template-columns: 1fr; } .news-sidebar { position: static; } }
  @media (max-width: 640px) {
    .news-item { flex-direction: column; gap: 12px; }
    .news-item .news-thumb { width: 100%; height: 150px; }
  }

  /* ===== CTA banner ===== */
  .cta-banner {
    background: #fff; border: 1px solid #EFEBE4; border-radius: 20px; overflow: hidden;
    display: flex; align-items: center; justify-content: space-between; gap: 32px;
    padding: 48px 48px; box-shadow: var(--shadow-card); position: relative;
  }
  .cta-banner::before { content: ''; position: absolute; left: 0; top: 0; width: 4px; height: 100%; background: var(--color-gold); }
  .cta-banner h3 { font-size: 24px; margin-bottom: 8px; }
  .cta-banner p { color: var(--color-text-muted); font-size: 15px; }
  @media (max-width: 767px) { .cta-banner { flex-direction: column; text-align: center; padding: 32px 24px; } .cta-banner::before { width: 100%; height: 4px; } }

  /* ===== FAQ ===== */
  .faq-list { max-width: 840px; margin: 0 auto; padding: 20px 0; }
  .faq-item { border-bottom: 1px solid #EFEBE4; }
  .faq-item.open .faq-icon { transform: rotate(45deg); }
  .faq-toggle {
    display: flex; align-items: center; justify-content: space-between; gap: 16px;
    padding: 22px 4px; width: 100%; text-align: left; font-size: 16px; color: var(--color-text); transition: color .2s;
  }
  .faq-toggle:hover { color: var(--color-gold); }
  .faq-toggle:focus-visible { outline: 2px solid var(--color-gold); outline-offset: -2px; border-radius: 4px; }
  .faq-icon {
    width: 28px; height: 28px; border-radius: 50%; background: rgba(31,74,58,0.06);
    display: flex; align-items: center; justify-content: center; font-size: 20px; font-weight: 400;
    color: var(--color-primary); transition: transform .3s ease, background .2s; flex-shrink: 0;
  }
  .faq-content { display: none; padding: 0 4px 22px; color: var(--color-text-muted); font-size: 15px; line-height: 1.9; max-width: 92%; }
  .faq-item.open .faq-content { display: block; }

  /* ===== Final CTA ===== */
  .final-cta { background: var(--color-dark-bg); color: #fff; text-align: center; padding: 80px 0; position: relative; overflow: hidden; }
  .final-cta::before { content: ''; position: absolute; left: 10%; top: 0; width: 1px; height: 100%; background: rgba(180,134,74,0.25); }
  .final-cta h2 { color: #fff; font-size: 32px; margin-bottom: 14px; }
  .final-cta p { color: rgba(255,255,255,0.7); font-size: 16px; margin-bottom: 32px; max-width: 560px; margin-left: auto; margin-right: auto; }
  @media (max-width: 767px) { .final-cta { padding: 56px 0; } .final-cta h2 { font-size: 24px; } }

  /* ===== Footer ===== */
  .site-footer { background: var(--color-dark-bg); color: rgba(255,255,255,0.75); padding-top: 64px; }
  .site-footer a { color: rgba(255,255,255,0.7); transition: color .2s; }
  .site-footer a:hover { color: var(--color-gold-light); }
  .footer-top { border-top: 1px solid rgba(180,134,74,0.3); padding-top: 50px; }
  .footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px; }
  .footer-brand .footer-logo { display: flex; align-items: center; gap: 10px; margin-bottom: 18px; }
  .footer-brand .footer-logo .logo-mark { background: var(--color-gold); }
  .footer-brand .footer-logo .logo-text { color: #fff; font-size: 18px; }
  .footer-brand p { font-size: 14px; line-height: 1.8; max-width: 280px; }
  .footer-col h4 { font-size: 16px; color: #fff; margin-bottom: 18px; font-family: var(--font-heading); }
  .footer-col ul { list-style: none; }
  .footer-col ul li { margin-bottom: 10px; font-size: 14px; }
  .footer-col ul li a { color: rgba(255,255,255,0.65); }
  .footer-contact li { display: flex; align-items: center; gap: 8px; margin-bottom: 12px; font-size: 14px; }
  .footer-contact svg { width: 15px; height: 15px; color: var(--color-gold); flex-shrink: 0; }
  .footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding: 22px 0; margin-top: 50px; text-align: center; font-size: 13px; color: rgba(255,255,255,0.45); }
  .footer-bottom .tech-domain { color: rgba(255,255,255,0.35); }
  @media (max-width: 991px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
  @media (max-width: 640px) { .footer-grid { grid-template-columns: 1fr; } }

  /* ===== Modal ===== */
  .modal-overlay {
    position: fixed; inset: 0; background: rgba(0,0,0,0.6); z-index: 200; display: none;
    align-items: center; justify-content: center; padding: 20px; backdrop-filter: blur(2px);
  }
  .modal-overlay.open { display: flex; }
  .modal-box {
    background: #fff; border-radius: var(--radius-lg); max-width: 520px; width: 100%;
    padding: 36px 36px 30px; position: relative; box-shadow: 0 24px 60px rgba(0,0,0,0.18);
    max-height: 90vh; overflow-y: auto; animation: modalIn .3s ease;
  }
  @keyframes modalIn { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
  .modal-close {
    position: absolute; right: 16px; top: 16px; width: 34px; height: 34px; border-radius: 50%;
    background: #F1EEE8; color: var(--color-text); font-size: 20px; display: flex; align-items: center; justify-content: center;
    transition: all .2s; line-height: 1;
  }
  .modal-close:hover { background: #E5E0D8; transform: rotate(90deg); }
  .modal-box h3 { font-size: 22px; margin-bottom: 8px; }
  .modal-box .modal-sub { font-size: 14px; color: var(--color-text-muted); margin-bottom: 24px; }
  .form-group { margin-bottom: 18px; }
  .form-group label { display: block; font-size: 14px; margin-bottom: 6px; color: var(--color-text); }
  .form-group label .req { color: #C0392B; margin-left: 2px; }
  .form-group input, .form-group select, .form-group textarea {
    width: 100%; border: 1px solid #E0DCD4; border-radius: var(--radius-md); padding: 10px 14px;
    font-size: 14px; transition: all .2s; background: #FCFBF9; outline: none;
  }
  .form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    border-color: var(--color-gold); box-shadow: 0 0 0 3px rgba(180,134,74,0.14); background: #fff;
  }
  .form-group textarea { min-height: 76px; resize: vertical; }
  .form-privacy {
    display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--color-text-muted);
    background: #FAF7F1; border-radius: 8px; padding: 10px 14px; margin-top: 6px; border: 1px solid rgba(180,134,74,0.12);
  }
  .form-privacy svg { width: 14px; height: 14px; color: var(--color-gold); flex-shrink: 0; }

  /* misc */
  .section-divider { height: 1px; background: linear-gradient(90deg, transparent, rgba(180,134,74,0.25), transparent); border: none; margin: 0; }
  .btn-outline {
    display: inline-flex; align-items: center; gap: 6px; border: 1px solid rgba(255,255,255,0.5);
    border-radius: var(--radius-md); padding: 10px 22px; font-size: 14px; color: #fff !important;
    transition: all .25s;
  }
  .btn-outline:hover { background: rgba(255,255,255,0.1); border-color: #fff; }
  @media (max-width: 767px) {
    .stat-item:not(:last-child)::after { display: none; }
  }

/* roulang page: article */
:root{
  --primary:#1F4A3A;
  --primary-light:#2E5F4B;
  --primary-deep:#1B3F31;
  --gold:#B4864A;
  --gold-light:#C9A569;
  --bg:#F7F3EC;
  --card-bg:#FFFFFF;
  --text:#262624;
  --text-weak:#6E6B64;
  --cta:#C77C3D;
  --cta-hover:#A9632F;
  --border:#E6DFD3;
  --radius-lg:16px;
  --radius-md:10px;
  --radius-sm:6px;
  --shadow-sm:0 1px 2px rgba(0,0,0,0.04),0 4px 16px rgba(0,0,0,0.06);
  --shadow-hover:0 8px 28px rgba(31,74,58,0.14);
  --transition:all 0.3s cubic-bezier(0.4,0,0.2,1);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;line-height:1.9;color:var(--text);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font-family:inherit;font-size:inherit;outline:none}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.serif{font-family:"Noto Serif SC","Source Han Serif SC","Songti SC",serif}

/* ===== Header ===== */
.site-header{
  background:var(--primary);
  border-bottom:1px solid rgba(255,255,255,0.06);
  position:relative;z-index:100;
}
.header-main{
  display:flex;align-items:center;justify-content:space-between;
  gap:24px;height:84px;
}
.logo{display:flex;align-items:center;gap:12px;flex-shrink:0}
.logo-mark{
  width:42px;height:42px;background:#fff;color:var(--primary);
  border-radius:8px;display:flex;align-items:center;justify-content:center;
  font-family:"Noto Serif SC","Songti SC",serif;font-weight:900;font-size:22px;
  box-shadow:0 2px 8px rgba(0,0,0,0.1);
}
.logo-text{color:#fff;font-family:"Noto Serif SC",serif;font-weight:700;font-size:22px;letter-spacing:0.04em}
.logo-sub{
  display:none;font-size:10px;color:rgba(255,255,255,0.6);
  letter-spacing:0.08em;text-transform:uppercase;
}
.header-search{
  flex:1;max-width:520px;position:relative;
  display:flex;align-items:center;
}
.header-search .search-icon{
  position:absolute;left:16px;width:18px;height:18px;color:var(--gold-light);
}
.header-search input{
  width:100%;height:42px;border-radius:999px;border:1px solid rgba(255,255,255,0.15);
  background:rgba(255,255,255,0.08);color:#fff;padding:0 24px 0 46px;
  font-size:14px;transition:var(--transition);
}
.header-search input::placeholder{color:rgba(255,255,255,0.55)}
.header-search input:focus{
  background:rgba(255,255,255,0.14);border-color:var(--gold-light);
  box-shadow:0 0 0 3px rgba(201,165,105,0.25);outline:none;
}
.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.btn-login{
  color:#fff;font-size:14px;font-weight:500;padding:8px 14px;border-radius:8px;
  transition:var(--transition);
}
.btn-login:hover{color:var(--gold-light);background:rgba(255,255,255,0.08)}
.btn-primary{
  background:var(--cta);color:#fff;padding:10px 22px;border-radius:10px;
  font-size:14px;font-weight:600;transition:var(--transition);border:1px solid transparent;
}
.btn-primary:hover{background:var(--cta-hover);transform:translateY(-1px);box-shadow:0 4px 12px rgba(119,72,31,0.3)}
.btn-primary:focus-visible{outline:2px solid var(--gold-light);outline-offset:2px}
.btn-secondary{
  background:#fff;color:var(--primary);border:1px solid var(--border);
  padding:9px 20px;border-radius:10px;font-size:14px;font-weight:500;
  transition:var(--transition);display:inline-flex;align-items:center;gap:6px;
}
.btn-secondary:hover{background:var(--primary);color:#fff;border-color:var(--primary)}
.mobile-search-toggle,.mobile-toggle{
  display:none;background:none;border:1px solid rgba(255,255,255,0.2);
  width:40px;height:40px;border-radius:8px;color:#fff;cursor:pointer;
  align-items:center;justify-content:center;
}
.mobile-toggle span{display:block;width:18px;height:2px;background:#fff;margin:2px auto;border-radius:2px;transition:var(--transition)}
.main-nav{background:var(--primary-deep);border-top:1px solid rgba(255,255,255,0.05)}
.nav-inner{display:flex;align-items:center;gap:8px;padding:0 24px;height:52px;overflow-x:auto;scrollbar-width:none}
.nav-inner::-webkit-scrollbar{display:none}
.nav-inner a{
  color:rgba(255,255,255,0.75);font-size:14px;font-weight:500;
  padding:8px 16px;border-radius:6px;white-space:nowrap;position:relative;
  transition:var(--transition);
}
.nav-inner a:hover{color:#fff;background:rgba(255,255,255,0.06)}
.nav-inner a.active{color:#fff;font-weight:600;background:rgba(255,255,255,0.08)}
.nav-inner a.active::after{
  content:'';position:absolute;left:16px;right:16px;bottom:-1px;height:3px;
  background:var(--gold);border-radius:3px 3px 0 0;
}
.mobile-search-panel{
  display:none;background:var(--primary);padding:16px 24px;border-top:1px solid rgba(255,255,255,0.06);
}
.mobile-search-panel.open{display:block}
.mobile-search-panel .header-search{max-width:100%}

/* ===== Breadcrumb ===== */
.breadcrumb-wrap{
  background:var(--bg);padding:18px 0 0;border-bottom:1px solid var(--border);
}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-weak);flex-wrap:wrap}
.breadcrumb a{color:var(--text-weak);transition:var(--transition)}
.breadcrumb a:hover{color:var(--gold)}
.breadcrumb .sep{color:#C8C2B6}
.breadcrumb .current{color:var(--text);font-weight:500}

/* ===== Article Hero ===== */
.article-hero{
  background:linear-gradient(135deg,rgba(31,74,58,0.94),rgba(37,82,66,0.88)),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  padding:60px 0 56px;margin-top:2px;position:relative;
}
.article-hero::after{
  content:'';position:absolute;left:0;right:0;bottom:0;height:4px;
  background:linear-gradient(90deg,var(--gold) 0%,var(--gold-light) 50%,transparent 100%);
}
.article-hero-inner{max-width:860px}
.article-title{
  color:#fff;font-family:"Noto Serif SC",serif;font-weight:900;
  font-size:34px;line-height:1.45;letter-spacing:0.02em;margin-bottom:20px;
}
.article-meta{display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.meta-item{
  display:inline-flex;align-items:center;gap:6px;color:rgba(255,255,255,0.75);
  font-size:13px;
}
.meta-item svg{width:15px;height:15px;color:var(--gold-light)}
.meta-dot{width:3px;height:3px;border-radius:50%;background:rgba(255,255,255,0.35)}

/* ===== Article Body ===== */
.article-body-wrap{padding:48px 0 16px}
.article-content-card{
  background:var(--card-bg);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-sm);padding:56px;max-width:860px;margin:0 auto;
}
.article-content{max-width:720px;margin:0 auto}
.article-content p{
  font-size:16px;line-height:2.0;margin-bottom:1.5em;color:var(--text);
}
.article-content h2{
  font-family:"Noto Serif SC",serif;font-weight:700;font-size:26px;
  color:var(--primary);margin:48px 0 16px;line-height:1.5;
  padding-bottom:12px;border-bottom:2px solid var(--gold);
}
.article-content h3{
  font-family:"Noto Serif SC",serif;font-weight:700;font-size:20px;
  color:var(--primary);margin:32px 0 12px;line-height:1.5;
}
.article-content a{color:var(--gold);text-decoration:underline;text-underline-offset:3px;transition:var(--transition)}
.article-content a:hover{color:var(--cta)}
.article-content img{
  border-radius:12px;margin:28px auto;box-shadow:var(--shadow-sm);
}
.article-content img + em{
  display:block;text-align:center;font-size:13px;color:var(--text-weak);
  font-style:normal;margin-top:-12px;margin-bottom:28px;
}
.article-content blockquote{
  background:var(--bg);border-left:3px solid var(--gold);
  padding:18px 24px;margin:24px 0;border-radius:0 8px 8px 0;
  color:var(--text-weak);font-style:italic;
}
.article-content ul,.article-content ol{margin:1.2em 0;padding-left:1.6em}
.article-content ul li,.article-content ol li{margin-bottom:8px;line-height:1.9}
.article-content ul li::marker{color:var(--gold)}
.article-content ol li::marker{color:var(--gold);font-weight:600}
.article-content table{
  width:100%;border-collapse:collapse;margin:24px 0;font-size:14px;
}
.article-content table th{
  background:var(--primary);color:#fff;padding:12px 16px;text-align:left;font-weight:600;
}
.article-content table td{
  padding:12px 16px;border-bottom:1px solid var(--border);
}
.article-content table tr:nth-child(even){background:var(--bg)}
.article-content hr{border:none;border-top:1px solid var(--border);margin:40px 0}

/* ===== Tags ===== */
.article-tags{
  max-width:720px;margin:32px auto 0;padding-top:24px;
  border-top:1px solid var(--border);display:flex;flex-wrap:wrap;gap:8px;
}
.article-tag{
  display:inline-block;padding:4px 14px;border:1px solid var(--gold);
  border-radius:999px;font-size:12px;color:var(--gold);
  background:rgba(180,134,74,0.06);transition:var(--transition);cursor:default;
}
.article-tag:hover{background:var(--gold);color:#fff}

/* ===== Empty ===== */
.article-empty{text-align:center;padding:80px 40px}
.article-empty .empty-icon{font-size:48px;margin-bottom:20px;color:var(--gold)}
.article-empty p{font-size:18px;color:var(--text-weak);margin-bottom:24px}

/* ===== Related ===== */
.related-section{padding:56px 0 72px}
.related-header{
  display:flex;align-items:center;justify-content:space-between;margin-bottom:32px;
}
.related-title{
  font-family:"Noto Serif SC",serif;font-weight:700;font-size:24px;color:var(--primary);
  position:relative;padding-left:20px;
}
.related-title::before{
  content:'';position:absolute;left:0;top:6px;bottom:6px;width:4px;
  background:var(--gold);border-radius:4px;
}
.related-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
}
.related-card{
  background:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);
  overflow:hidden;transition:var(--transition);display:flex;flex-direction:column;
}
.related-card:hover{
  box-shadow:var(--shadow-hover);transform:translateY(-4px);
}
.related-card .card-media{overflow:hidden;aspect-ratio:16/9;background:var(--bg)}
.related-card .card-media img{
  width:100%;height:100%;object-fit:cover;transition:transform 0.5s ease;
}
.related-card:hover .card-media img{transform:scale(1.05)}
.related-card .card-body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1}
.related-card .card-cat{
  display:inline-block;font-size:12px;color:var(--gold);
  border:1px solid var(--gold);border-radius:4px;padding:2px 10px;
  align-self:flex-start;margin-bottom:10px;background:rgba(180,134,74,0.05);
}
.related-card h3{
  font-family:"Noto Serif SC",serif;font-weight:700;font-size:16px;line-height:1.6;
  margin-bottom:10px;color:var(--text);
}
.related-card h3 a{transition:var(--transition)}
.related-card h3 a:hover{color:var(--gold)}
.related-card p{
  font-size:13px;line-height:1.7;color:var(--text-weak);
  margin-top:auto;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.back-entry{text-align:center;margin-top:40px}
.back-entry-empty{padding:64px 0;text-align:center}

/* ===== Footer ===== */
.site-footer{background:var(--primary-deep);margin-top:48px;position:relative}
.site-footer::before{content:'';display:block;height:3px;background:linear-gradient(90deg,var(--gold),var(--gold-light),transparent)}
.footer-top{padding:56px 0 40px}
.footer-grid{
  display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:48px;
}
.footer-brand .footer-logo{display:flex;align-items:center;gap:10px;margin-bottom:18px}
.footer-brand .logo-mark{width:38px;height:38px;font-size:19px}
.footer-brand .logo-text{font-size:20px}
.footer-brand p{
  font-size:14px;line-height:1.8;color:rgba(255,255,255,0.65);max-width:320px;
}
.footer-col h4{
  color:#fff;font-size:15px;font-weight:600;margin-bottom:18px;
  position:relative;padding-bottom:10px;
}
.footer-col h4::after{
  content:'';position:absolute;left:0;bottom:0;width:24px;height:2px;background:var(--gold);
}
.footer-col ul{list-style:none}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{
  color:rgba(255,255,255,0.65);font-size:14px;transition:var(--transition);
}
.footer-col ul a:hover{color:var(--gold-light);padding-left:4px}
.footer-contact li{
  color:rgba(255,255,255,0.65);font-size:13px;display:flex;align-items:center;gap:8px;line-height:1.6;
}
.footer-contact li svg{width:15px;height:15px;color:var(--gold);flex-shrink:0}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,0.08);padding:20px 0;
  display:flex;justify-content:space-between;align-items:center;
  font-size:13px;color:rgba(255,255,255,0.4);flex-wrap:wrap;gap:8px;
}
.footer-bottom .tech-domain{color:rgba(255,255,255,0.55);font-family:monospace}

/* ===== Responsive ===== */
@media (max-width:1024px){
  .header-search{max-width:360px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:40px}
  .related-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:768px){
  .header-main{height:72px;gap:12px}
  .logo-text{font-size:18px}
  .logo-sub{display:none}
  .header-search.desktop-search{display:none}
  .mobile-search-toggle{display:flex}
  .mobile-toggle{display:flex}
  .btn-login{display:none}
  .btn-primary{display:none}
  .mobile-search-panel.open{display:block}
  .main-nav{overflow:hidden}
  .nav-inner{display:none;flex-direction:column;height:auto;padding:12px 0}
  .nav-inner.open{display:flex}
  .nav-inner a{width:100%;padding:12px 24px;border-radius:0;border-bottom:1px solid rgba(255,255,255,0.04)}
  .nav-inner a.active::after{display:none}
  .article-hero{padding:44px 0 40px}
  .article-title{font-size:26px;line-height:1.5}
  .article-content-card{padding:32px 24px;border-radius:12px}
  .article-meta{gap:12px}
  .related-grid{grid-template-columns:1fr;gap:16px}
  .breadcrumb-wrap{padding-top:12px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;text-align:center}
  .article-hero-inner .article-title{font-size:24px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .header-main{height:64px}
  .logo-mark{width:36px;height:36px;font-size:18px}
  .logo-text{font-size:17px}
  .article-content-card{padding:24px 16px}
  .article-content p{font-size:15px;line-height:1.9}
  .article-content h2{font-size:22px}
  .article-content h3{font-size:18px}
  .article-content-card{border-radius:8px}
  .related-card .card-body{padding:18px 16px 20px}
}

/* roulang page: category1 */
:root{
    --green-900:#1F4A3A;
    --green-700:#2E5F4B;
    --gold:#B4864A;
    --gold-light:#C9A569;
    --cream:#F7F3EC;
    --white:#FFFFFF;
    --ink:#262624;
    --ink-soft:#6E6B64;
    --cta:#C77C3D;
    --cta-hover:#A9632F;
    --radius-lg:16px;
    --radius-md:10px;
    --radius-sm:6px;
    --shadow-card:0 1px 2px rgba(0,0,0,.04),0 4px 16px rgba(0,0,0,.06);
    --shadow-hover:0 8px 28px rgba(31,74,58,.14);
  }
  *{box-sizing:border-box}
  html,body{margin:0;padding:0}
  body{
    font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
    font-size:16px;line-height:1.9;color:var(--ink);background:var(--cream);
    -webkit-font-smoothing:antialiased;
  }
  h1,h2,h3,h4{
    font-family:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
    font-weight:700;letter-spacing:.02em;line-height:1.4;
  }
  img{max-width:100%;height:auto;display:block}
  a{color:inherit;text-decoration:none}
  button{font-family:inherit;cursor:pointer}
  .container{max-width:1240px;margin:0 auto;padding-left:24px;padding-right:24px}
  .container-lg{max-width:1320px;margin:0 auto;padding-left:24px;padding-right:24px}
  .text-soft{color:var(--ink-soft)}
  .text-gold{color:var(--gold)}
  .bg-cream{background:var(--cream)}

  /* Header */
  .site-header{position:sticky;top:0;z-index:100;background:var(--white);border-bottom:1px solid rgba(0,0,0,.06);box-shadow:0 1px 0 rgba(0,0,0,.03)}
  .header-main{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-top:14px;padding-bottom:14px}
  .logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
  .logo-mark{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;background:var(--green-900);color:#fff;font-size:20px;font-weight:700;border-radius:8px;font-family:"Noto Serif SC",serif}
  .logo-text{font-size:20px;font-weight:700;color:var(--green-900);letter-spacing:.03em;font-family:"Noto Serif SC",serif}
  .logo-sub{font-size:9px;color:var(--ink-soft);letter-spacing:.12em;text-transform:uppercase;border-left:1px solid #ddd;padding-left:8px;line-height:1.2}
  .header-search{display:flex;align-items:center;gap:8px;flex:1;max-width:540px;height:40px;background:var(--cream);border:1px solid #e2ddd4;border-radius:999px;padding:0 16px;transition:border-color .2s,box-shadow .2s}
  .header-search:focus-within{border-color:var(--gold);box-shadow:0 0 0 3px rgba(180,134,74,.15);background:#fff}
  .header-search svg{width:18px;height:18px;color:var(--ink-soft);flex-shrink:0}
  .header-search input{border:none;outline:none;background:transparent;flex:1;font-size:14px;color:var(--ink)}
  .header-search input::placeholder{color:#9b958b}
  .desktop-search{display:flex}
  .header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
  .btn-login{display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--green-900);font-weight:500;padding:8px 12px;border-radius:8px;transition:color .2s}
  .btn-login:hover{color:var(--gold)}
  .btn-primary{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--cta);color:#fff;font-size:14px;font-weight:600;padding:9px 20px;border-radius:10px;border:none;transition:background .2s,transform .2s,box-shadow .2s}
  .btn-primary:hover{background:var(--cta-hover);transform:translateY(-1px);box-shadow:0 6px 16px rgba(199,124,61,.3)}
  .btn-primary:focus-visible,.btn-secondary:focus-visible,.btn-login:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
  .mobile-search-toggle{display:none;background:none;border:none;color:var(--green-900);padding:6px}
  .mobile-search-toggle svg{width:22px;height:22px}
  .mobile-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;padding:8px}
  .mobile-toggle span{display:block;width:22px;height:2px;background:var(--green-900);border-radius:2px;transition:all .3s}
  .main-nav{background:var(--green-900);position:relative}
  .nav-inner{display:flex;align-items:center;gap:4px;padding-top:0;padding-bottom:0;overflow-x:auto}
  .nav-inner a{display:block;color:rgba(255,255,255,.82);font-size:15px;font-weight:500;padding:12px 18px;border-bottom:2px solid transparent;transition:color .2s,border-color .2s;white-space:nowrap}
  .nav-inner a:hover{color:#fff}
  .nav-inner a.active{color:#fff;border-bottom-color:var(--gold)}
  .mobile-search-panel{display:none;background:var(--white);border-bottom:1px solid #eee;padding:12px 16px}
  .mobile-search-panel .header-search{max-width:100%}

  /* Buttons */
  .btn-secondary{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:#fff;color:var(--green-900);font-size:15px;font-weight:600;padding:10px 24px;border-radius:10px;border:1px solid var(--green-900);transition:background .2s,color .2s,transform .2s}
  .btn-secondary:hover{background:var(--green-900);color:#fff;transform:translateY(-1px)}
  .btn-white{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:#fff;color:var(--green-900);font-size:15px;font-weight:600;padding:11px 28px;border-radius:10px;border:none;transition:transform .2s,box-shadow .2s}
  .btn-white:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(0,0,0,.18)}
  .link-gold{display:inline-flex;align-items:center;gap:6px;color:var(--green-900);font-size:15px;font-weight:500;border-bottom:1px solid var(--gold);padding-bottom:2px;transition:color .2s,border-color .2s}
  .link-gold:hover{color:var(--gold);border-color:var(--gold)}

  /* Hero */
  .hero{position:relative;background:var(--cream);overflow:hidden;padding:88px 0 72px}
  .hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.webp');background-size:cover;background-position:center;opacity:.16;z-index:0}
  .hero-inner{position:relative;z-index:1;max-width:860px;margin:0 auto;text-align:center}
  .hero-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--green-900);background:#fff;border:1px solid rgba(180,134,74,.35);border-radius:999px;padding:6px 16px;margin-bottom:20px;letter-spacing:.04em}
  .hero h1{font-size:42px;font-weight:900;color:var(--green-900);line-height:1.3;margin:0 0 12px}
  .hero-sub{font-size:18px;font-weight:500;color:var(--green-700);margin:0 0 12px}
  .hero-desc{font-size:15px;color:var(--ink-soft);max-width:640px;margin:0 auto 28px;line-height:1.9}
  .hero-search{display:flex;align-items:center;gap:10px;max-width:560px;margin:0 auto 20px;background:#fff;border:1px solid #e2ddd4;border-radius:999px;padding:0 18px;height:52px;box-shadow:var(--shadow-card);transition:box-shadow .2s,border-color .2s}
  .hero-search:focus-within{border-color:var(--gold);box-shadow:0 0 0 4px rgba(180,134,74,.12),var(--shadow-card)}
  .hero-search svg{width:20px;height:20px;color:var(--ink-soft);flex-shrink:0}
  .hero-search input{border:none;outline:none;flex:1;font-size:15px;background:transparent}
  .hero-search input::placeholder{color:#9b958b}
  .hero-shortcuts{display:flex;justify-content:center;gap:22px;margin-top:24px;flex-wrap:wrap}
  .hero-shortcuts a{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--ink-soft);transition:color .2s}
  .hero-shortcuts a i{color:var(--gold);font-size:15px}
  .hero-shortcuts a:hover{color:var(--green-900)}

  /* Stats band */
  .stats-band{background:var(--green-900);padding:44px 0}
  .stats-grid{display:grid;grid-template-columns:repeat(4,1fr)}
  .stat-item{text-align:center;padding:16px 12px;border-left:1px solid rgba(255,255,255,.1)}
  .stat-item:first-child{border-left:none}
  .stat-num{font-family:"Noto Serif SC",serif;font-size:42px;font-weight:900;color:var(--gold-light);line-height:1.2}
  .stat-label{font-size:13px;color:rgba(255,255,255,.7);margin-top:4px}

  /* Section general */
  .section{padding:88px 0}
  .section-head{text-align:center;max-width:760px;margin:0 auto 48px}
  .section-head h2{font-size:30px;color:var(--green-900);margin:0 0 12px;font-weight:700}
  .section-head p{font-size:15px;color:var(--ink-soft);margin:0}
  .section-head .divider{width:42px;height:3px;background:var(--gold);border-radius:2px;margin:14px auto 0}

  /* Cards */
  .grid-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
  .feature-card{background:#fff;border-radius:16px;padding:32px 28px;box-shadow:var(--shadow-card);border-top:3px solid var(--gold);transition:transform .25s,box-shadow .25s}
  .feature-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
  .feature-icon{display:inline-flex;align-items:center;justify-content:center;width:52px;height:52px;border-radius:12px;background:rgba(180,134,74,.12);color:var(--gold);font-size:22px;margin-bottom:18px}
  .feature-card h3{font-size:20px;color:var(--green-900);margin:0 0 8px}
  .feature-card p{font-size:14px;color:var(--ink-soft);line-height:1.8;margin:0}
  .card-tag{display:inline-block;font-size:12px;color:var(--gold);border:1px solid rgba(180,134,74,.4);border-radius:6px;padding:2px 10px;margin-bottom:12px;letter-spacing:.05em}

  /* Scenario */
  .scenario-section{background:#fff}
  .scenario-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
  .scenario-card{border:1px solid #ece8e0;border-radius:16px;padding:30px 26px;transition:border-color .2s,box-shadow .2s;background:#fff}
  .scenario-card:hover{border-color:rgba(180,134,74,.5);box-shadow:var(--shadow-hover)}
  .scenario-icon{display:inline-flex;align-items:center;justify-content:center;width:48px;height:48px;border-radius:50%;background:var(--green-900);color:var(--gold-light);font-size:19px;margin-bottom:16px}
  .scenario-card h3{font-size:18px;color:var(--green-900);margin:0 0 8px}
  .scenario-card p{font-size:14px;color:var(--ink-soft);line-height:1.8;margin:0}
  .scenario-link{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--gold);margin-top:14px;font-weight:500;transition:color .2s}
  .scenario-link:hover{color:var(--green-900)}

  /* Process */
  .process-section{background:var(--cream)}
  .process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
  .step-card{position:relative;background:#fff;border-radius:16px;padding:30px 22px;box-shadow:var(--shadow-card);text-align:left}
  .step-num{font-family:"Noto Serif SC",serif;font-size:38px;font-weight:900;color:rgba(180,134,74,.28);line-height:1}
  .step-card h3{font-size:17px;color:var(--green-900);margin:14px 0 8px}
  .step-card p{font-size:13px;color:var(--ink-soft);line-height:1.8;margin:0}
  .step-arrow{position:absolute;right:-18px;top:34px;color:var(--gold);font-size:18px;z-index:2}
  .step-card:last-child .step-arrow{display:none}

  /* Guide blocks */
  .guide-block{display:flex;align-items:center;gap:48px;margin-bottom:56px}
  .guide-block.reverse{flex-direction:row-reverse}
  .guide-media{flex:1;border-radius:16px;overflow:hidden;box-shadow:var(--shadow-card)}
  .guide-media img{width:100%;height:300px;object-fit:cover;transition:transform .4s}
  .guide-media:hover img{transform:scale(1.03)}
  .guide-content{flex:1}
  .guide-content .eyebrow{font-size:13px;color:var(--gold);font-weight:600;letter-spacing:.08em;margin-bottom:8px}
  .guide-content h3{font-size:24px;color:var(--green-900);margin:0 0 14px}
  .guide-content p{font-size:14px;color:var(--ink-soft);line-height:1.9;margin:0 0 16px}
  .guide-list{list-style:none;padding:0;margin:0 0 20px}
  .guide-list li{font-size:14px;color:var(--ink-soft);padding:7px 0 7px 28px;position:relative;border-bottom:1px dashed #eee}
  .guide-list li:last-child{border-bottom:none}
  .guide-list li::before{content:"\f00c";font-family:"Font Awesome 6 Free";font-weight:900;position:absolute;left:0;top:7px;color:var(--gold);font-size:13px}

  /* FAQ */
  .faq-section{background:#fff}
  .faq-wrap{max-width:820px;margin:0 auto}
  .faq-item{border:1px solid #ece8e0;border-radius:14px;margin-bottom:14px;overflow:hidden;transition:border-color .2s}
  .faq-item.open{border-color:rgba(180,134,74,.45);box-shadow:var(--shadow-card)}
  .faq-question{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 24px;cursor:pointer;background:transparent;border:none;text-align:left;width:100%;font-size:16px;font-weight:600;color:var(--green-900);transition:background .2s}
  .faq-question:hover{background:rgba(247,243,236,.5)}
  .faq-question:focus-visible{outline:2px solid var(--gold);outline-offset:-2px}
  .faq-icon{flex-shrink:0;width:28px;height:28px;border-radius:50%;background:var(--cream);display:inline-flex;align-items:center;justify-content:center;font-size:14px;color:var(--gold);transition:transform .3s,background .3s}
  .faq-item.open .faq-icon{transform:rotate(45deg);background:var(--gold);color:#fff}
  .faq-answer{display:none;padding:0 24px 22px;font-size:14px;color:var(--ink-soft);line-height:1.9;border-top:1px solid #f0ece4;padding-top:14px}

  /* CTA */
  .cta-section{position:relative;background:var(--green-900);padding:82px 0;overflow:hidden}
  .cta-section::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--gold)}
  .cta-inner{max-width:720px;margin:0 auto;text-align:center;position:relative;z-index:1}
  .cta-inner h2{font-size:32px;color:#fff;margin:0 0 10px}
  .cta-inner p{font-size:16px;color:rgba(255,255,255,.75);margin:0 0 28px}
  .cta-actions{display:flex;justify-content:center;gap:16px;flex-wrap:wrap}
  .privacy-note{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.6);background:rgba(255,255,255,.06);border-radius:999px;padding:8px 18px;margin-top:26px}
  .privacy-note i{font-size:14px;color:var(--gold-light)}

  /* Footer */
  .site-footer{background:var(--green-900);color:rgba(255,255,255,.75);position:relative}
  .site-footer::before{content:"";display:block;height:1px;background:var(--gold)}
  .site-footer .container{padding-top:60px;padding-bottom:0}
  .footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:48px;padding-bottom:44px}
  .footer-logo{display:flex;align-items:center;gap:10px;margin-bottom:16px}
  .footer-logo .logo-mark{width:36px;height:36px;font-size:18px}
  .footer-logo .logo-text{font-size:20px;color:#fff;font-weight:700;font-family:"Noto Serif SC",serif}
  .footer-brand p{font-size:13px;line-height:1.9;margin:0;color:rgba(255,255,255,.65);max-width:340px}
  .footer-col h4{font-size:15px;color:#fff;margin:0 0 16px;font-weight:600}
  .footer-col ul{list-style:none;margin:0;padding:0}
  .footer-col ul li{margin-bottom:10px}
  .footer-col ul a{font-size:13px;color:rgba(255,255,255,.7);transition:color .2s}
  .footer-col ul a:hover{color:var(--gold-light)}
  .footer-contact li{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:rgba(255,255,255,.7);line-height:1.6}
  .footer-contact svg{width:16px;height:16px;flex-shrink:0;margin-top:3px;color:var(--gold)}
  .footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:20px 0;font-size:13px;color:rgba(255,255,255,.5);display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px}
  .tech-domain{color:rgba(255,255,255,.4)}

  /* Modal */
  .modal-overlay{position:fixed;inset:0;z-index:200;background:rgba(0,0,0,.6);display:none;align-items:center;justify-content:center;padding:24px}
  .modal-overlay.show{display:flex}
  .modal-box{background:#fff;border-radius:16px;max-width:520px;width:100%;padding:36px;position:relative;box-shadow:0 20px 50px rgba(0,0,0,.3)}
  .modal-close{position:absolute;top:16px;right:16px;width:32px;height:32px;border-radius:50%;background:#f3f0ea;border:none;color:var(--ink-soft);font-size:16px;display:flex;align-items:center;justify-content:center;transition:background .2s}
  .modal-close:hover{background:#e5e0d6}
  .modal-box h3{font-size:22px;color:var(--green-900);margin:0 0 6px}
  .modal-box .modal-sub{font-size:13px;color:var(--ink-soft);margin:0 0 24px}
  .form-group{margin-bottom:18px}
  .form-group label{display:block;font-size:13px;font-weight:600;color:var(--ink);margin-bottom:6px}
  .form-group label .req{color:#d9534f}
  .form-group input,.form-group select,.form-group textarea{width:100%;border:1px solid #ddd;border-radius:10px;padding:10px 14px;font-size:14px;color:var(--ink);background:#fff;transition:border-color .2s,box-shadow .2s}
  .form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:var(--gold);box-shadow:0 0 0 3px rgba(180,134,74,.12)}
  .form-group textarea{min-height:88px;resize:vertical}
  .modal-privacy{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--ink-soft);background:var(--cream);border-radius:8px;padding:10px 14px;margin-top:12px}

  /* Responsive */
  @media (max-width:1024px){
    .desktop-search{display:none}
    .mobile-search-toggle{display:inline-flex}
    .mobile-toggle{display:flex}
    .header-actions .btn-login{display:none}
    .main-nav{display:none}
    .main-nav.open{display:block}
    .nav-inner{flex-direction:column;align-items:stretch;padding:8px 0}
    .nav-inner a{padding:14px 20px;border-bottom:none;border-left:3px solid transparent}
    .nav-inner a.active{border-left-color:var(--gold);background:rgba(255,255,255,.06)}
    .grid-cards,.scenario-grid{grid-template-columns:repeat(2,1fr)}
    .process-grid{grid-template-columns:repeat(2,1fr);gap:20px}
    .step-arrow{display:none}
    .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
    .hero h1{font-size:34px}
    .stats-grid{grid-template-columns:repeat(2,1fr);gap:20px 0}
    .stat-item{border-left:none}
  }
  @media (max-width:768px){
    .section{padding:60px 0}
    .guide-block,.guide-block.reverse{flex-direction:column;gap:24px;margin-bottom:44px}
    .guide-media img{height:220px}
    .hero{padding:60px 0 52px}
    .hero h1{font-size:28px}
    .hero-sub{font-size:16px}
    .hero-desc{font-size:14px}
    .grid-cards,.scenario-grid{grid-template-columns:1fr}
    .process-grid{grid-template-columns:1fr}
    .cta-inner h2{font-size:26px}
    .footer-grid{grid-template-columns:1fr;gap:30px}
    .section-head h2{font-size:24px}
    .stat-num{font-size:32px}
    .stats-band{padding:30px 0}
    .cta-section{padding:60px 0}
  }
  @media (max-width:520px){
    .hero-shortcuts{gap:12px;flex-direction:column;align-items:center}
    .hero-search input{font-size:14px}
    .header-main{padding-top:10px;padding-bottom:10px}
    .logo-text{font-size:17px}
    .logo-sub{display:none}
    .btn-primary{padding:8px 16px;font-size:13px}
  }

/* roulang page: category2 */
:root {
    --primary: #1F4A3A;
    --primary-light: #2E5F4B;
    --primary-dark: #17382C;
    --gold: #B4864A;
    --gold-light: #C9A569;
    --bg: #F7F3EC;
    --card: #FFFFFF;
    --text: #262624;
    --text-light: #6E6B64;
    --border: #E5DED2;
    --cta: #C77C3D;
    --cta-hover: #A9632F;
    --radius-lg: 16px;
    --radius-sm: 10px;
    --shadow: 0 1px 2px rgba(0,0,0,0.04), 0 4px 16px rgba(0,0,0,0.06);
    --shadow-hover: 0 8px 28px rgba(31,74,58,0.14);
  }

  * { box-sizing: border-box; margin: 0; padding: 0; }
  html { scroll-behavior: smooth; }
  body {
    font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
    font-size: 16px;
    line-height: 1.9;
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
  }
  img { max-width: 100%; display: block; }
  a { color: inherit; text-decoration: none; }
  button { font-family: inherit; cursor: pointer; }
  input, select, textarea { font-family: inherit; font-size: 15px; }
  h1, h2, h3, h4 {
    font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif;
    font-weight: 700;
    letter-spacing: 0.02em;
    line-height: 1.4;
  }

  .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
  }

  .btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: var(--cta);
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    padding: 10px 24px;
    border-radius: 10px;
    border: 1px solid transparent;
    transition: background .2s, transform .2s, box-shadow .2s, outline .2s;
  }
  .btn-primary:hover { background: var(--cta-hover); transform: translateY(-1px); box-shadow: 0 6px 18px rgba(199,124,61,0.25); }
  .btn-primary:focus-visible { outline: 2px solid var(--gold-light); outline-offset: 3px; }

  .btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: #fff;
    color: var(--primary);
    font-size: 15px;
    font-weight: 600;
    padding: 10px 24px;
    border-radius: 10px;
    border: 1px solid var(--border);
    transition: background .2s, color .2s, border-color .2s, transform .2s;
  }
  .btn-secondary:hover { background: var(--primary); color: #fff; border-color: var(--primary); transform: translateY(-1px); }
  .btn-secondary:focus-visible { outline: 2px solid var(--gold-light); outline-offset: 3px; }

  .section { padding: 96px 0; }
  .section-head { max-width: 720px; margin: 0 auto 56px; text-align: center; }
  .section-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--gold);
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin-bottom: 12px;
  }
  .section-eyebrow::before {
    content: "";
    width: 24px; height: 1px;
    background: var(--gold);
    display: inline-block;
  }
  .section-eyebrow::after {
    content: "";
    width: 24px; height: 1px;
    background: var(--gold);
    display: inline-block;
  }
  .section-title { font-size: 30px; color: var(--text); }
  .section-sub { font-size: 16px; color: var(--text-light); margin-top: 14px; }

  .badge-tag {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 6px;
    font-size: 13px;
    color: var(--gold);
    border: 1px solid rgba(180,134,74,.45);
    background: rgba(180,134,74,.06);
    white-space: nowrap;
  }

  /* ========= Header ========= */
  .site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--primary);
    box-shadow: 0 4px 20px rgba(23,56,44,.18);
  }
  .header-main {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    height: 76px;
  }
  .logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
  .logo-mark {
    width: 40px; height: 40px;
    background: #fff;
    color: var(--primary);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: "Noto Serif SC", serif;
    font-size: 22px;
    font-weight: 900;
  }
  .logo-text { color: #fff; font-size: 20px; font-weight: 700; letter-spacing: .06em; font-family: "Noto Serif SC", serif; }
  .logo-sub { color: rgba(255,255,255,.55); font-size: 10px; letter-spacing: .18em; text-transform: uppercase; display: block; margin-top: 2px; }
  .header-search {
    flex: 1;
    max-width: 520px;
    height: 42px;
    display: flex;
    align-items: center;
    background: rgba(255,255,255,.12);
    border: 1px solid rgba(255,255,255,.18);
    border-radius: 999px;
    padding: 0 18px;
    transition: background .2s, border-color .2s, box-shadow .2s;
  }
  .header-search:focus-within {
    background: #fff;
    border-color: var(--gold-light);
    box-shadow: 0 0 0 4px rgba(180,134,74,.22);
  }
  .header-search .search-icon { width: 18px; height: 18px; color: rgba(255,255,255,.6); flex-shrink: 0; transition: color .2s; }
  .header-search:focus-within .search-icon { color: var(--gold); }
  .header-search input {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    color: #fff;
    margin-left: 10px;
    font-size: 14px;
  }
  .header-search:focus-within input { color: var(--text); }
  .header-search input::placeholder { color: rgba(255,255,255,.45); }
  .header-search:focus-within input::placeholder { color: #bbb; }
  .header-search input::-webkit-search-cancel-button { display: none; }

  .header-actions { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
  .btn-login { color: rgba(255,255,255,.85); font-size: 14px; font-weight: 500; padding: 8px 12px; border-radius: 8px; transition: color .2s, background .2s; }
  .btn-login:hover { color: #fff; background: rgba(255,255,255,.1); }
  .btn-login:focus-visible { outline: 2px solid var(--gold-light); outline-offset: 2px; color: #fff; }
  .site-header .btn-primary { padding: 9px 20px; font-size: 14px; }

  .mobile-search-toggle, .mobile-toggle {
    display: none;
    width: 40px; height: 40px;
    background: rgba(255,255,255,.1);
    border: 1px solid rgba(255,255,255,.15);
    border-radius: 10px;
    color: #fff;
    align-items: center;
    justify-content: center;
    transition: background .2s;
  }
  .mobile-search-toggle:hover, .mobile-toggle:hover { background: rgba(255,255,255,.18); }
  .mobile-search-toggle svg { width: 19px; height: 19px; }
  .mobile-toggle { flex-direction: column; gap: 4px; }
  .mobile-toggle span { display: block; width: 18px; height: 2px; background: #fff; border-radius: 2px; }
  .mobile-toggle.open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
  .mobile-toggle.open span:nth-child(2) { opacity: 0; }
  .mobile-toggle.open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

  .main-nav { border-top: 1px solid rgba(255,255,255,.08); }
  .nav-inner { display: flex; align-items: center; gap: 36px; height: 50px; }
  .nav-inner a {
    color: rgba(255,255,255,.75);
    font-size: 14px;
    font-weight: 500;
    padding: 6px 2px;
    position: relative;
    transition: color .2s;
  }
  .nav-inner a:hover { color: #fff; }
  .nav-inner a.active { color: #fff; }
  .nav-inner a.active::after {
    content: "";
    position: absolute;
    left: 0; bottom: -2px;
    width: 100%; height: 2px;
    background: var(--gold-light);
    border-radius: 2px;
  }
  .nav-inner a:focus-visible { outline: 2px solid var(--gold-light); outline-offset: 4px; }

  .mobile-search-panel { display: none; padding: 0 24px 16px; }
  .mobile-search-panel.open { display: block; }
  .mobile-search-panel .header-search { max-width: 100%; }

  /* ========= Hero ========= */
  .hero {
    position: relative;
    padding: 96px 0 96px;
    background-image: linear-gradient(rgba(247,243,236,.92), rgba(247,243,236,.92)), url('/assets/images/backpic/back-2.webp');
    background-size: cover;
    background-position: center;
    overflow: hidden;
  }
  .hero::after {
    content: "";
    position: absolute;
    right: -80px; bottom: -80px;
    width: 380px; height: 380px;
    border: 2px solid rgba(31,74,58,.07);
    border-radius: 50%;
    pointer-events: none;
  }
  .hero-inner {
    display: grid;
    grid-template-columns: 1.05fr .95fr;
    gap: 64px;
    align-items: center;
  }
  .hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary);
    font-size: 14px;
    font-weight: 600;
    letter-spacing: .08em;
    background: rgba(31,74,58,.06);
    border: 1px solid rgba(31,74,58,.12);
    padding: 6px 14px;
    border-radius: 999px;
  }
  .hero-title {
    font-size: 42px;
    font-weight: 900;
    color: var(--primary);
    margin-top: 22px;
    line-height: 1.35;
  }
  .hero-title em { font-style: normal; color: var(--gold); }
  .hero-sub {
    font-size: 17px;
    color: var(--text-light);
    margin-top: 18px;
    max-width: 34ch;
    line-height: 1.9;
  }
  .hero-search {
    margin-top: 32px;
    display: flex;
    align-items: center;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 999px;
    height: 52px;
    max-width: 560px;
    padding: 0 18px;
    box-shadow: var(--shadow);
    transition: border-color .2s, box-shadow .2s;
  }
  .hero-search:focus-within { border-color: var(--gold); box-shadow: 0 0 0 4px rgba(180,134,74,.18); }
  .hero-search svg { width: 19px; height: 19px; color: var(--gold); flex-shrink: 0; }
  .hero-search input {
    flex: 1;
    border: none;
    outline: none;
    background: transparent;
    font-size: 15px;
    color: var(--text);
    margin-left: 12px;
  }
  .hero-search input::placeholder { color: #aaa; }
  .quick-links {
    margin-top: 22px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
  }
  .quick-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 999px;
    font-size: 14px;
    color: var(--primary);
    font-weight: 500;
    transition: border-color .2s, box-shadow .2s, transform .2s;
  }
  .quick-link:hover { border-color: var(--gold); box-shadow: var(--shadow); transform: translateY(-2px); }
  .quick-link i { color: var(--gold); font-size: 13px; }
  .quick-link:focus-visible { outline: 2px solid var(--gold-light); outline-offset: 3px; }

  .hero-visual {
    position: relative;
    border-radius: 16px;
    box-shadow: var(--shadow);
    overflow: hidden;
    background: #fff;
  }
  .hero-visual img { width: 100%; height: 400px; object-fit: cover; }
  .hero-visual-caption {
    position: absolute;
    left: 16px; bottom: 16px;
    right: 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(31,74,58,.85);
    backdrop-filter: blur(6px);
    color: #fff;
    padding: 12px 16px;
    border-radius: 12px;
    font-size: 13px;
  }
  .hero-visual-caption span:first-child { font-weight: 600; }
  .hero-visual-caption span:last-child { color: var(--gold-light); }

  /* ========= Stats ========= */
  .stats-section { background: var(--primary); padding: 64px 0; }
  .stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
  .stat-item { text-align: center; padding: 16px 24px; position: relative; }
  .stat-item:not(:first-child)::before {
    content: "";
    position: absolute;
    left: 0; top: 50%;
    transform: translateY(-50%);
    width: 1px; height: 48px;
    background: rgba(180,134,74,.28);
  }
  .stat-num { font-size: 46px; font-weight: 900; color: var(--gold-light); font-family: "Noto Serif SC", serif; line-height: 1.2; }
  .stat-label { font-size: 14px; color: rgba(255,255,255,.75); margin-top: 8px; }

  /* ========= Capability ========= */
  .cap-wrap {
    display: grid;
    grid-template-columns: .9fr 1.1fr;
    gap: 64px;
    align-items: center;
  }
  .cap-visual { border-radius: 16px; overflow: hidden; box-shadow: var(--shadow); }
  .cap-visual img { width: 100%; height: 420px; object-fit: cover; }
  .cap-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
  .cap-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 28px 24px;
    box-shadow: var(--shadow);
    transition: transform .25s, box-shadow .25s, border-color .25s;
    position: relative;
  }
  .cap-card::before {
    content: "";
    position: absolute;
    left: 0; top: 18px; bottom: 18px;
    width: 3px;
    background: var(--gold);
    border-radius: 0 3px 3px 0;
    opacity: 0;
    transition: opacity .25s;
  }
  .cap-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-hover); border-color: rgba(180,134,74,.35); }
  .cap-card:hover::before { opacity: 1; }
  .cap-icon {
    width: 46px; height: 46px;
    border-radius: 12px;
    background: rgba(31,74,58,.08);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 19px;
    margin-bottom: 16px;
  }
  .cap-title { font-size: 19px; color: var(--text); margin-bottom: 8px; }
  .cap-desc { font-size: 14px; color: var(--text-light); line-height: 1.8; }

  /* ========= Process ========= */
  .process-section { background: #fff; }
  .process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
  .process-step {
    background: var(--bg);
    border-radius: 16px;
    padding: 32px 24px;
    position: relative;
    border: 1px solid var(--border);
    transition: transform .25s, box-shadow .25s, border-color .25s;
  }
  .process-step:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: rgba(180,134,74,.35); }
  .step-num {
    font-family: "Noto Serif SC", serif;
    font-size: 42px;
    font-weight: 900;
    color: var(--gold);
    opacity: .25;
    line-height: 1;
    margin-bottom: 18px;
  }
  .step-title { font-size: 18px; color: var(--text); font-weight: 700; margin-bottom: 10px; }
  .step-desc { font-size: 14px; color: var(--text-light); line-height: 1.8; }

  /* ========= Scenario ========= */
  .scenario-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
  .scenario-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform .25s, box-shadow .25s, border-color .25s;
  }
  .scenario-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: rgba(180,134,74,.3); }
  .scenario-img { width: 100%; height: 160px; object-fit: cover; }
  .scenario-body { padding: 22px 18px 20px; }
  .scenario-tag { font-size: 12px; color: var(--gold); font-weight: 600; letter-spacing: .05em; }
  .scenario-title { font-size: 17px; margin: 8px 0 6px; color: var(--text); font-weight: 700; }
  .scenario-desc { font-size: 14px; color: var(--text-light); line-height: 1.8; }

  /* ========= FAQ ========= */
  .faq-list { max-width: 820px; margin: 0 auto; }
  .faq-item {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 14px;
    margin-bottom: 14px;
    overflow: hidden;
    transition: border-color .2s, box-shadow .2s;
  }
  .faq-item.open { border-color: rgba(180,134,74,.4); box-shadow: var(--shadow); }
  .faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    background: transparent;
    border: none;
    padding: 22px 24px;
    font-size: 16px;
    font-weight: 600;
    color: var(--text);
    text-align: left;
    transition: color .2s;
  }
  .faq-question:hover { color: var(--primary); }
  .faq-question:focus-visible { outline: 2px solid var(--gold-light); outline-offset: -2px; border-radius: 14px; }
  .faq-icon {
    width: 30px; height: 30px;
    border-radius: 50%;
    background: rgba(31,74,58,.06);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 400;
    transition: transform .3s, background .3s, color .3s;
    flex-shrink: 0;
  }
  .faq-item.open .faq-icon { transform: rotate(45deg); background: var(--primary); color: #fff; }
  .faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height .35s ease, padding .35s ease;
    color: var(--text-light);
    font-size: 15px;
    line-height: 1.9;
  }
  .faq-item.open .faq-answer { max-height: 300px; padding: 0 24px 24px; }

  /* ========= CTA ========= */
  .cta-section { background: var(--primary); position: relative; overflow: hidden; }
  .cta-section::before {
    content: "";
    position: absolute;
    left: 40px; top: 0; bottom: 0;
    width: 4px;
    background: var(--gold);
    opacity: .5;
  }
  .cta-section::after {
    content: "";
    position: absolute;
    right: -60px; top: -60px;
    width: 300px; height: 300px;
    border: 40px solid rgba(255,255,255,.03);
    border-radius: 50%;
  }
  .cta-inner {
    position: relative;
    z-index: 1;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 40px;
  }
  .cta-title { color: #fff; font-size: 30px; font-weight: 700; }
  .cta-sub { color: rgba(255,255,255,.75); font-size: 15px; margin-top: 10px; max-width: 44ch; }
  .cta-actions { display: flex; align-items: center; gap: 14px; flex-shrink: 0; flex-wrap: wrap; }
  .cta-actions .btn-secondary { background: transparent; border-color: rgba(255,255,255,.35); color: #fff; }
  .cta-actions .btn-secondary:hover { background: #fff; color: var(--primary); border-color: #fff; }
  .privacy-note {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: rgba(255,255,255,.5);
    margin-top: 14px;
  }
  .cta-left .privacy-note i { color: var(--gold-light); }

  /* ========= Footer ========= */
  .site-footer { background: var(--primary-dark); color: rgba(255,255,255,.75); }
  .footer-top { border-top: 1px solid rgba(180,134,74,.4); padding: 64px 0 40px; }
  .footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 48px; }
  .footer-logo { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
  .footer-logo .logo-mark { background: var(--gold); color: #fff; }
  .footer-logo .logo-text { font-size: 20px; color: #fff; }
  .footer-brand p { font-size: 14px; line-height: 1.9; color: rgba(255,255,255,.6); max-width: 34ch; }
  .footer-col h4 { color: #fff; font-size: 16px; font-weight: 600; margin-bottom: 18px; }
  .footer-col ul { list-style: none; }
  .footer-col ul li { margin-bottom: 10px; }
  .footer-col ul li a { font-size: 14px; color: rgba(255,255,255,.6); transition: color .2s, padding-left .2s; }
  .footer-col ul li a:hover { color: var(--gold-light); padding-left: 4px; }
  .footer-contact li { display: flex; align-items: flex-start; gap: 8px; font-size: 14px; color: rgba(255,255,255,.6); }
  .footer-contact svg { width: 16px; height: 16px; margin-top: 5px; flex-shrink: 0; color: var(--gold); }
  .footer-bottom {
    border-top: 1px solid rgba(255,255,255,.08);
    padding: 20px 0 24px;
    font-size: 13px;
    color: rgba(255,255,255,.4);
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 8px;
  }
  .tech-domain { letter-spacing: .05em; }

  /* ========= Modal ========= */
  .modal {
    position: fixed;
    inset: 0;
    z-index: 999;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 24px;
  }
  .modal.open { display: flex; }
  .modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(23,56,44,.6);
    backdrop-filter: blur(3px);
    animation: fadeIn .25s ease;
  }
  .modal-dialog {
    position: relative;
    width: 100%;
    max-width: 460px;
    background: #fff;
    border-radius: 16px;
    padding: 36px;
    box-shadow: 0 24px 60px rgba(0,0,0,.25);
    animation: slideUp .3s ease;
    max-height: 92vh;
    overflow-y: auto;
  }
  @keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
  @keyframes slideUp { from { transform: translateY(24px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }
  .modal-close {
    position: absolute;
    top: 16px; right: 16px;
    width: 34px; height: 34px;
    border-radius: 50%;
    background: rgba(31,74,58,.08);
    border: none;
    color: var(--text);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    transition: background .2s, color .2s, transform .2s;
  }
  .modal-close:hover { background: rgba(31,74,58,.15); color: var(--primary); transform: rotate(90deg); }
  .modal-title { font-size: 24px; color: var(--text); margin-bottom: 8px; }
  .modal-sub { font-size: 14px; color: var(--text-light); margin-bottom: 24px; }
  .form-field { margin-bottom: 18px; }
  .form-field label { display: block; font-size: 14px; font-weight: 600; color: var(--text); margin-bottom: 8px; }
  .form-field label .req { color: #c0392b; margin-left: 2px; }
  .form-field input, .form-field select, .form-field textarea {
    width: 100%;
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 10px 14px;
    font-size: 15px;
    background: #fff;
    color: var(--text);
    transition: border-color .2s, box-shadow .2s;
    appearance: none;
  }
  .form-field input:focus, .form-field select:focus, .form-field textarea:focus {
    outline: none;
    border-color: var(--gold);
    box-shadow: 0 0 0 3px rgba(180,134,74,.15);
  }
  .form-field textarea { resize: vertical; min-height: 80px; }
  .modal-dialog .btn-primary { width: 100%; padding: 12px; margin-top: 4px; }
  .modal-privacy { text-align: center; margin-top: 14px; }

  /* ========= Responsive ========= */
  @media (max-width: 1023px) {
    .hero { padding: 72px 0; }
    .hero-inner { grid-template-columns: 1fr; gap: 48px; }
    .hero-visual { max-width: 560px; }
    .section { padding: 72px 0; }
    .cap-wrap { grid-template-columns: 1fr; gap: 40px; }
    .cap-visual { max-width: 560px; }
    .process-grid { grid-template-columns: 1fr 1fr; gap: 18px; }
    .scenario-grid { grid-template-columns: 1fr 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
    .stats-grid { grid-template-columns: 1fr 1fr; row-gap: 32px; }
    .stat-item:nth-child(3)::before { display: none; }
  }

  @media (max-width: 767px) {
    .site-header { position: relative; }
    .desktop-search { display: none; }
    .mobile-search-toggle, .mobile-toggle { display: flex; }
    .main-nav { position: absolute; top: 100%; left: 0; right: 0; background: var(--primary); border-top: 1px solid rgba(255,255,255,.08); box-shadow: 0 12px 24px rgba(0,0,0,.2); }
    .nav-inner { display: none; flex-direction: column; align-items: flex-start; gap: 0; padding: 8px 24px 16px; height: auto; }
    .nav-inner.open { display: flex; }
    .nav-inner a { width: 100%; padding: 12px 0; border-bottom: 1px solid rgba(255,255,255,.08); }
    .nav-inner a.active::after { display: none; }
    .nav-inner a.active { color: var(--gold-light); }
    .hero { padding: 48px 0; }
    .hero-title { font-size: 28px; }
    .hero-sub { font-size: 16px; }
    .hero-visual img { height: 280px; }
    .section { padding: 48px 0; }
    .section-title { font-size: 22px; }
    .cap-grid { grid-template-columns: 1fr; }
    .process-grid { grid-template-columns: 1fr; }
    .scenario-grid { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: 1fr 1fr; }
    .stat-num { font-size: 34px; }
    .cta-inner { flex-direction: column; align-items: flex-start; text-align: left; gap: 24px; }
    .footer-grid { grid-template-columns: 1fr; gap: 28px; }
    .footer-bottom { flex-direction: column; }
    .modal-dialog { padding: 28px 20px; }
  }

  @media (max-width: 520px) {
    .logo-sub { display: none; }
    .logo-text { font-size: 17px; }
    .header-main { height: 64px; gap: 8px; }
    .site-header .btn-primary { padding: 8px 14px; font-size: 13px; }
    .btn-login { padding: 6px 8px; font-size: 13px; }
    .stats-grid { grid-template-columns: 1fr; }
    .stat-item::before { display: none !important; }
    .hero-search { height: 48px; }
    .quick-links { gap: 8px; }
    .quick-link { padding: 6px 12px; font-size: 13px; }
    .scenario-grid { grid-template-columns: 1fr; }
  }