/* roulang page: index */
:root {
  --primary: #0E4F3A;
  --primary-dark: #0A3D2D;
  --accent: #B98A2F;
  --orange: #D9782F;
  --bg: #F7F4EE;
  --bg-green: #EAF1EC;
  --text: #1F2A24;
  --text-soft: #5A6B61;
  --white: #FFFFFF;
  --border: #E6E0D4;
  --radius-lg: 16px;
  --radius-md: 8px;
  --radius-pill: 999px;
  --shadow: 0 1px 3px rgba(15,35,25,.06), 0 8px 24px rgba(15,35,25,.08);
  --shadow-hover: 0 4px 12px rgba(15,35,25,.12), 0 16px 32px rgba(15,35,25,.10);
  --font-stack: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-stack); background: var(--bg); color: var(--text); line-height: 1.7; font-size: 16px; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, summary { font-family: inherit; }
ul, ol { list-style: none; }
.page-wrap { overflow-x: hidden; }
.c-container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: 64px 0; }
.section-white { background: var(--white); }
.section-tint { background: var(--bg-green); }
.section-head { max-width: 720px; margin-bottom: 40px; }
.section-title { font-size: 28px; font-weight: 700; line-height: 1.4; margin-bottom: 10px; color: var(--text); }
.section-desc { color: var(--text-soft); font-size: 15px; line-height: 1.7; }
.section-head .section-title::after { content: ""; display: block; width: 48px; height: 4px; background: var(--accent); border-radius: 4px; margin-top: 14px; }

.site-header { position: sticky; top: 0; z-index: 50; transition: background .35s ease, box-shadow .35s ease, border-color .35s ease; border-bottom: 1px solid transparent; }
.site-header.scrolled { background: rgba(247,244,238,.95); border-bottom: 1px solid var(--border); box-shadow: 0 4px 16px rgba(15,35,25,.05); }
.header-inner { display: flex; align-items: center; gap: 24px; height: 76px; }
.logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.logo-badge { width: 44px; height: 44px; border-radius: 50%; background: var(--primary); color: #fff; display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 24px; position: relative; box-shadow: 0 0 0 3px rgba(185,138,47,.35); }
.logo-badge::after { content: ""; position: absolute; inset: -3px; border-radius: 50%; border: 2px solid var(--accent); opacity: .8; }
.logo-text { font-size: 20px; font-weight: 800; letter-spacing: .5px; color: var(--primary); white-space: nowrap; }
.nav-tabs { display: flex; gap: 8px; overflow-x: auto; scrollbar-width: none; margin: 0 auto; }
.nav-tabs::-webkit-scrollbar { display: none; }
.nav-tab { flex-shrink: 0; padding: 8px 18px; border-radius: 999px; border: 1px solid #D6CBB8; background: transparent; color: var(--primary); font-size: 14px; font-weight: 600; transition: all .2s; white-space: nowrap; }
.nav-tab:hover { border-color: var(--primary); background: rgba(14,79,58,.08); }
.nav-tab.active { background: var(--primary); border-color: var(--primary); color: #fff; }
.header-cta { flex-shrink: 0; }

.btn-primary { display: inline-flex; align-items: center; justify-content: center; gap: 8px; background: var(--primary); color: #fff; padding: 12px 28px; border-radius: 8px; font-size: 15px; font-weight: 600; border: 2px solid transparent; transition: all .2s; cursor: pointer; line-height: 1.4; }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(14,79,58,.2); }
.btn-primary:active { transform: translateY(-1px); }
.btn-primary:focus { outline: none; box-shadow: 0 0 0 4px rgba(185,138,47,.45); }
.btn-outline { display: inline-flex; align-items: center; justify-content: center; gap: 8px; background: transparent; color: var(--primary); padding: 12px 28px; border-radius: 8px; font-size: 15px; font-weight: 600; border: 1.5px solid var(--primary); transition: all .2s; cursor: pointer; }
.btn-outline:hover { background: rgba(14,79,58,.08); transform: translateY(-2px); }
.btn-outline:active { transform: translateY(-1px); }
.btn-outline:focus { outline: none; box-shadow: 0 0 0 4px rgba(185,138,47,.45); }
.btn-white { display: inline-flex; align-items: center; justify-content: center; background: #fff; color: var(--primary); padding: 10px 24px; border-radius: 8px; font-size: 15px; font-weight: 700; transition: all .2s; white-space: nowrap; }
.btn-white:hover { background: var(--bg); transform: translateY(-2px); }
.btn-sm { padding: 8px 20px; font-size: 14px; }

.hero { position: relative; background-image: url('/assets/images/backpic/back-1.png'); background-size: cover; background-position: center; padding: 96px 0 88px; }
.hero::before { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(247,244,238,.96) 0%, rgba(247,244,238,.9) 45%, rgba(247,244,238,.6) 100%); }
.hero-inner { position: relative; z-index: 2; display: grid; grid-template-columns: 1.05fr .95fr; gap: 64px; align-items: center; }
.hero-copy { position: relative; z-index: 3; }
.hero-eyebrow { display: inline-flex; align-items: center; gap: 8px; background: rgba(185,138,47,.14); color: var(--accent); padding: 6px 16px; border-radius: 999px; font-size: 13px; font-weight: 600; margin-bottom: 20px; border: 1px solid rgba(185,138,47,.3); }
.hero-title { font-size: 44px; font-weight: 800; line-height: 1.25; margin-bottom: 18px; color: var(--text); }
.hero-title .brand-name { color: var(--primary); }
.hero-sub { font-size: 17px; color: var(--text-soft); max-width: 540px; line-height: 1.75; margin-bottom: 32px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-visual { position: relative; min-height: 380px; }
.hero-img-main { width: 80%; border-radius: 20px; box-shadow: var(--shadow); object-fit: cover; height: 340px; position: relative; z-index: 2; }
.hero-img-accent { position: absolute; right: 0; top: 40px; width: 55%; border-radius: 18px; border: 6px solid rgba(255,255,255,.8); box-shadow: var(--shadow); object-fit: cover; height: 230px; z-index: 3; }
.hero-badge { position: absolute; left: -12px; bottom: 28px; background: var(--primary); color: #fff; padding: 12px 20px; border-radius: 12px; box-shadow: var(--shadow); z-index: 4; font-size: 14px; font-weight: 600; }
.hero-badge span { display: block; font-size: 22px; font-weight: 800; color: #F5D9A8; line-height: 1.3; }

.trust-bar { background: var(--white); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); padding: 28px 0; }
.trust-list { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.trust-item { display: flex; flex-direction: column; align-items: center; text-align: center; gap: 4px; }
.trust-num { font-size: 34px; font-weight: 800; color: var(--orange); line-height: 1.2; }
.trust-label { font-size: 14px; color: var(--text-soft); }

.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.feature-card { position: relative; background: var(--white); border-radius: var(--radius-lg); box-shadow: var(--shadow); padding: 32px 28px 28px; border-left: 4px solid var(--primary); transition: box-shadow .3s ease; overflow: hidden; }
.feature-card.gold { border-left-color: var(--accent); }
.feature-card.orange { border-left-color: var(--orange); }
.feature-card:hover { box-shadow: var(--shadow-hover); }
.feature-number { font-size: 40px; font-weight: 800; color: rgba(217,120,47,.28); position: absolute; top: 16px; right: 20px; line-height: 1; }
.feature-icon { width: 52px; height: 52px; border-radius: 50%; background: var(--bg-green); display: flex; align-items: center; justify-content: center; margin-bottom: 20px; color: var(--primary); }
.feature-title { font-size: 20px; font-weight: 700; margin-bottom: 10px; color: var(--text); }
.feature-text { font-size: 15px; color: var(--text-soft); line-height: 1.7; }
.feature-line { display: block; width: 44px; height: 3px; background: var(--primary); border-radius: 3px; margin-top: 22px; transition: background .2s; }
.feature-card:hover .feature-line { background: var(--accent); }

.scene-block { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; padding: 56px 0; }
.scene-block.reverse .scene-media { order: 2; }
.scene-media img { border-radius: 16px; box-shadow: var(--shadow); width: 100%; height: 340px; object-fit: cover; }
.scene-eyebrow { color: var(--accent); font-weight: 700; font-size: 13px; letter-spacing: 1px; text-transform: uppercase; margin-bottom: 8px; }
.scene-title { font-size: 26px; font-weight: 700; line-height: 1.4; margin-bottom: 14px; color: var(--text); }
.scene-text { color: var(--text-soft); margin-bottom: 20px; line-height: 1.7; }
.block-list li { padding-left: 24px; position: relative; margin-bottom: 10px; color: var(--text); font-size: 15px; }
.block-list li::before { content: ""; position: absolute; left: 0; top: 8px; width: 10px; height: 10px; background: var(--primary); border-radius: 2px; }

.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.news-card { background: var(--white); border-radius: var(--radius-lg); box-shadow: var(--shadow); padding: 24px; display: flex; flex-direction: column; gap: 12px; transition: box-shadow .3s ease, transform .2s ease; }
.news-card:hover { box-shadow: var(--shadow-hover); }
.news-meta { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.chip { display: inline-flex; align-items: center; background: rgba(185,138,47,.16); color: var(--accent); padding: 4px 14px; border-radius: 999px; font-size: 12px; font-weight: 600; white-space: nowrap; }
.news-time { font-size: 13px; color: var(--text-soft); white-space: nowrap; }
.news-card h3 { font-size: 18px; font-weight: 700; line-height: 1.4; overflow: hidden; text-overflow: ellipsis; display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; min-height: 25px; color: var(--text); }
.news-card p { font-size: 14px; color: var(--text-soft); line-height: 1.65; overflow: hidden; text-overflow: ellipsis; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; min-height: 46px; }
.read-more { font-size: 14px; font-weight: 600; color: var(--primary); margin-top: auto; }
.read-more::after { content: " →"; transition: transform .2s; display: inline-block; }
.news-card:hover .read-more::after { transform: translateX(4px); }
.empty-state { grid-column: 1 / -1; background: var(--white); border-radius: var(--radius-lg); padding: 48px; text-align: center; color: var(--text-soft); box-shadow: var(--shadow); }
.empty-icon { display: block; font-size: 40px; margin-bottom: 8px; color: var(--border); }

.testimonial-block { background: var(--bg-green); border-radius: var(--radius-lg); padding: 48px; text-align: center; }
.testimonial-quote { font-size: 34px; color: var(--accent); font-family: Georgia, serif; line-height: 1; margin-bottom: 8px; }
.testimonial-text { font-size: 20px; font-weight: 600; line-height: 1.6; max-width: 720px; margin: 0 auto 12px; color: var(--text); }
.testimonial-source { font-size: 14px; color: var(--text-soft); }
.partner-row { display: flex; justify-content: center; gap: 24px; flex-wrap: wrap; margin-top: 32px; }
.partner-logo { background: rgba(255,255,255,.65); border: 1px solid var(--border); padding: 8px 18px; border-radius: 8px; color: var(--text-soft); font-size: 13px; font-weight: 600; opacity: .6; }

.faq-list { max-width: 860px; margin: 0 auto; display: flex; flex-direction: column; gap: 14px; }
.faq-item { background: var(--white); border: 1px solid var(--border); border-radius: 12px; overflow: hidden; transition: box-shadow .2s; }
.faq-item[open] { box-shadow: var(--shadow); }
.faq-summary { list-style: none; cursor: pointer; padding: 20px 24px; font-size: 16px; font-weight: 700; display: flex; justify-content: space-between; gap: 16px; align-items: center; color: var(--text); }
.faq-summary::-webkit-details-marker { display: none; }
.faq-summary::after { content: "+"; font-size: 24px; color: var(--accent); line-height: 1; transition: transform .2s; }
.faq-item[open] .faq-summary::after { content: "−"; }
.faq-answer { padding: 0 24px 20px; color: var(--text-soft); font-size: 14px; line-height: 1.7; }

.cta-section { background: rgba(185,138,47,.1); border-radius: var(--radius-lg); padding: 48px; text-align: center; }
.cta-section .cta-title { font-size: 28px; font-weight: 800; margin-bottom: 8px; color: var(--text); }
.cta-section .cta-text { color: var(--text-soft); margin-bottom: 24px; max-width: 560px; margin-left: auto; margin-right: auto; font-size: 15px; }

.site-footer { background: #0A2E22; color: #C9D6CE; position: relative; }
.footer-accent { height: 4px; background: linear-gradient(90deg, var(--accent), #E7C77A, var(--accent)); }
.footer-grid { display: grid; grid-template-columns: 1.2fr 1fr 1fr 1.2fr; gap: 40px; padding: 56px 0 40px; }
.footer-brand .logo-text { color: #fff; }
.footer-title { font-size: 15px; font-weight: 700; color: #fff; margin-bottom: 16px; }
.footer-links li { margin-bottom: 10px; font-size: 14px; line-height: 1.6; }
.footer-links a { color: #C9D6CE; transition: color .2s; }
.footer-links a:hover { color: #D6B36A; }
.footer-desc { color: #A9BDB0; font-size: 14px; margin-top: 14px; line-height: 1.6; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); padding: 20px 0; font-size: 13px; color: #89A295; text-align: center; }

.sticky-cta { position: fixed; bottom: 0; left: 0; right: 0; z-index: 40; background: linear-gradient(120deg, var(--primary), var(--primary-dark)); box-shadow: 0 -4px 20px rgba(15,35,25,.2); }
.sticky-cta-inner { max-width: 1200px; margin: 0 auto; padding: 0 24px; height: 64px; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.sticky-cta-text { color: #fff; font-size: 16px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.reveal { opacity: 0; transform: translateY(20px); transition: opacity .3s ease-out, transform .3s ease-out; }
.reveal.visible { opacity: 1; transform: translateY(0); }

@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero-title { font-size: 34px; }
  .hero-visual { min-height: 320px; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .news-grid { grid-template-columns: repeat(2, 1fr); }
  .scene-block { grid-template-columns: 1fr; gap: 32px; padding: 40px 0; }
  .scene-block.reverse .scene-media { order: 0; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  body { font-size: 15px; }
  .section { padding: 40px 0; }
  .header-inner { height: auto; padding: 12px 0; flex-wrap: wrap; gap: 12px; }
  .nav-tabs { order: 3; width: 100%; margin: 0; }
  .header-cta { margin-left: auto; }
  .logo-text { font-size: 17px; }
  .hero { padding: 64px 0 48px; }
  .hero-title { font-size: 30px; }
  .hero-sub { font-size: 15px; }
  .trust-list { grid-template-columns: repeat(2, 1fr); row-gap: 24px; }
  .feature-grid { grid-template-columns: 1fr; }
  .news-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .sticky-cta-text { font-size: 14px; }
  .testimonial-block { padding: 32px 24px; }
  .testimonial-text { font-size: 17px; }
  .cta-section { padding: 32px 24px; }
}

@media (max-width: 520px) {
  .header-cta { display: none; }
  .hero-actions .btn-primary, .hero-actions .btn-outline { width: 100%; }
  .section-title { font-size: 24px; }
  .scene-title { font-size: 22px; }
  .hero-img-main { height: 260px; }
  .hero-img-accent { height: 180px; top: 30px; }
  .sticky-cta-inner { padding: 0 16px; }
  .sticky-cta .btn-white { padding: 8px 16px; font-size: 14px; }
  .sticky-cta-text { white-space: normal; line-height: 1.3; }
}

/* roulang page: category1 */
:root {
    --brand: #0E4F3A;
    --brand-dark: #0A3D2D;
    --brand-deeper: #0A2E22;
    --gold: #B98A2F;
    --gold-light: #D6B36A;
    --accent: #D9782F;
    --bg: #F7F4EE;
    --text: #1F2A24;
    --text-muted: #5A6B61;
    --card-bg: #FFFFFF;
    --border: #E6E0D4;
    --radius-lg: 16px;
    --radius-md: 12px;
    --radius-sm: 8px;
    --shadow: 0 1px 3px rgba(15,35,25,.06), 0 8px 24px rgba(15,35,25,.08);
    --shadow-hover: 0 4px 12px rgba(15,35,25,.12), 0 16px 32px rgba(15,35,25,.10);
  }

  * { 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;
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.7;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
  }

  img { display: block; max-width: 100%; }
  a { text-decoration: none; color: inherit; transition: color .2s ease; }
  ul { list-style: none; }
  button { font-family: inherit; cursor: pointer; }

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

  /* Header */
  .site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(247,244,238,.95);
    backdrop-filter: blur(6px);
    border-bottom: 1px solid transparent;
    transition: background .3s ease, box-shadow .3s ease, border-color .3s ease;
  }

  .site-header.scrolled {
    background: rgba(247,244,238,.98);
    border-bottom-color: var(--border);
    box-shadow: 0 2px 12px rgba(15,35,25,.05);
  }

  .header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 14px 0;
    min-height: 68px;
    flex-wrap: nowrap;
  }

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

  .logo-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--brand);
    color: #fff;
    font-size: 20px;
    font-weight: 800;
    line-height: 1;
    position: relative;
    box-shadow: inset 0 0 0 3px var(--gold);
  }

  .logo-text {
    font-size: 20px;
    font-weight: 700;
    color: var(--brand);
    letter-spacing: .02em;
  }

  .nav-tabs {
    display: flex;
    align-items: center;
    gap: 8px;
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
    flex-shrink: 1;
  }

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

  .nav-tab {
    display: inline-flex;
    align-items: center;
    white-space: nowrap;
    padding: 8px 18px;
    border-radius: 999px;
    border: 1px solid #D6CBB8;
    background: transparent;
    color: var(--brand);
    font-size: 14px;
    font-weight: 600;
    transition: all .2s ease;
  }

  .nav-tab:hover {
    border-color: var(--brand);
    background: rgba(14,79,58,.06);
  }

  .nav-tab.active {
    background: var(--brand);
    border-color: var(--brand);
    color: #fff;
    box-shadow: 0 2px 8px rgba(14,79,58,.25);
  }

  .header-cta { flex-shrink: 0; }

  /* Buttons */
  .btn-primary,
  .btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: var(--radius-sm);
    font-size: 15px;
    font-weight: 600;
    line-height: 1.2;
    transition: all .2s ease;
    outline: none;
  }

  .btn-primary {
    background: var(--brand);
    color: #fff;
    border: 1.5px solid var(--brand);
    box-shadow: 0 2px 8px rgba(14,79,58,.18);
  }

  .btn-primary:hover {
    background: var(--brand-dark);
    border-color: var(--brand-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(14,79,58,.22);
  }

  .btn-primary:active { transform: translateY(-1px); }

  .btn-primary:focus-visible {
    outline: 2px solid var(--gold);
    outline-offset: 2px;
  }

  .btn-secondary {
    background: transparent;
    color: var(--brand);
    border: 1.5px solid var(--brand);
  }

  .btn-secondary:hover {
    background: rgba(14,79,58,.08);
    border-color: var(--brand-dark);
    color: var(--brand-dark);
    transform: translateY(-2px);
  }

  .btn-secondary:active { transform: translateY(-1px); }

  .btn-secondary:focus-visible {
    outline: 2px solid var(--gold);
    outline-offset: 2px;
  }

  .btn-sm { padding: 9px 18px; font-size: 14px; }

  /* Hero */
  .page-hero {
    position: relative;
    padding: 64px 0 56px;
    background:
      radial-gradient(circle at 85% 20%, rgba(185,138,47,.12) 0, rgba(185,138,47,0) 42%),
      radial-gradient(circle at 10% 80%, rgba(14,79,58,.08) 0, rgba(14,79,58,0) 40%),
      var(--bg);
    overflow: hidden;
  }

  .hero-inner {
    display: grid;
    grid-template-columns: 1.1fr .9fr;
    align-items: center;
    gap: 48px;
  }

  .hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    font-weight: 600;
    color: var(--gold);
    letter-spacing: .08em;
    text-transform: uppercase;
    margin-bottom: 16px;
  }

  .hero-eyebrow::before {
    content: "";
    display: block;
    width: 24px;
    height: 2px;
    background: var(--gold);
  }

  .hero-title {
    font-size: 42px;
    line-height: 1.2;
    font-weight: 800;
    color: var(--text);
    margin-bottom: 16px;
  }

  .hero-subtitle {
    font-size: 16px;
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 28px;
    max-width: 520px;
  }

  .hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    align-items: center;
  }

  .hero-visual {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-hover);
  }

  .hero-visual img {
    width: 100%;
    height: 340px;
    object-fit: cover;
    object-position: center;
  }

  /* Section */
  .section-block { padding: 64px 0; }
  .section-block.alt { background: #fff; }

  .section-head {
    text-align: center;
    max-width: 680px;
    margin: 0 auto 48px;
  }

  .section-title {
    font-size: 30px;
    font-weight: 800;
    color: var(--text);
    line-height: 1.3;
    margin-bottom: 12px;
  }

  .section-title span { color: var(--brand); }

  .section-desc {
    font-size: 15px;
    color: var(--text-muted);
    line-height: 1.7;
  }

  .section-title-bar {
    width: 48px;
    height: 3px;
    background: var(--brand);
    border-radius: 2px;
    margin: 0 auto 18px;
  }

  .section-title-bar.gold { background: var(--gold); }

  /* Intro */
  .intro-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
  }

  .intro-copy p {
    font-size: 15px;
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 16px;
  }

  .intro-points {
    margin-top: 20px;
    display: grid;
    gap: 14px;
  }

  .intro-point {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    background: var(--card-bg);
    border-radius: var(--radius-md);
    padding: 16px;
    box-shadow: var(--shadow);
  }

  .intro-point i {
    width: 40px;
    height: 40px;
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--brand-light);
    color: var(--brand);
    font-size: 16px;
  }

  .intro-point h3 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 2px;
  }

  .intro-point p {
    font-size: 14px;
    color: var(--text-muted);
    margin: 0;
  }

  .intro-visual {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-hover);
  }

  .intro-visual img {
    width: 100%;
    height: 340px;
    object-fit: cover;
    object-position: center;
  }

  /* Process timeline */
  .steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
  }

  .step-card {
    position: relative;
    background: var(--card-bg);
    border-radius: var(--radius-md);
    padding: 28px 22px;
    box-shadow: var(--shadow);
    border-top: 3px solid var(--brand);
    transition: box-shadow .25s ease, transform .25s ease;
  }

  .step-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-2px);
  }

  .step-number {
    font-size: 40px;
    font-weight: 800;
    color: var(--accent);
    line-height: 1;
    margin-bottom: 14px;
    opacity: .85;
  }

  .step-card h3 {
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text);
  }

  .step-card p {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.65;
  }

  .step-arrow {
    display: none;
  }

  /* Advantages */
  .adv-card {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    padding: 28px 26px;
    box-shadow: var(--shadow);
    position: relative;
    overflow: hidden;
    height: 100%;
    border-left: 4px solid var(--brand);
    transition: box-shadow .25s ease;
  }

  .adv-card:hover { box-shadow: var(--shadow-hover); }

  .adv-card.gold { border-left-color: var(--gold); }
  .adv-card.accent { border-left-color: var(--accent); }

  .adv-index {
    font-size: 36px;
    font-weight: 800;
    color: rgba(217,120,47,.35);
    line-height: 1;
    margin-bottom: 12px;
  }

  .adv-card h3 {
    font-size: 19px;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--text);
  }

  .adv-card p {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.7;
  }

  /* Scenario */
  .scenario-block {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
  }

  .scenario-block.flip .scenario-visual { order: 2; }
  .scenario-block.flip .scenario-copy { order: 1; }

  .scenario-visual {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-hover);
  }

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

  .scenario-copy h3 {
    font-size: 24px;
    font-weight: 800;
    color: var(--text);
    margin-bottom: 12px;
    line-height: 1.4;
  }

  .scenario-copy > p {
    font-size: 15px;
    color: var(--text-muted);
    line-height: 1.75;
    margin-bottom: 18px;
  }

  .scenario-list { display: grid; gap: 12px; }

  .scenario-list li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 15px;
    color: var(--text);
    line-height: 1.65;
  }

  .scenario-list li::before {
    content: "";
    display: block;
    width: 14px;
    height: 14px;
    background: var(--brand);
    margin-top: 6px;
    flex-shrink: 0;
    border-radius: 2px;
  }

  /* Resources */
  .res-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }

  .res-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    background: var(--card-bg);
    border-radius: var(--radius-md);
    padding: 20px 22px;
    box-shadow: var(--shadow);
    transition: box-shadow .25s ease, border-color .25s ease;
    border: 1px solid transparent;
  }

  .res-card:hover {
    box-shadow: var(--shadow-hover);
    border-color: rgba(185,138,47,.4);
  }

  .res-card-icon {
    width: 40px;
    height: 40px;
    flex-shrink: 0;
    border-radius: 50%;
    background: var(--brand-light);
    color: var(--brand);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
  }

  .res-card-text h3 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 2px;
  }

  .res-card-text p {
    font-size: 13px;
    color: var(--text-muted);
    margin: 0;
  }

  .res-card-arrow {
    width: 32px;
    height: 32px;
    flex-shrink: 0;
    border-radius: 50%;
    background: rgba(14,79,58,.06);
    color: var(--brand);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    transition: all .2s ease;
  }

  .res-card:hover .res-card-arrow {
    background: var(--brand);
    color: #fff;
  }

  /* FAQ */
  .faq-wrap {
    max-width: 800px;
    margin: 0 auto;
  }

  .faq-item {
    background: var(--card-bg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow);
    margin-bottom: 14px;
    overflow: hidden;
    border: 1px solid var(--border);
  }

  .faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 18px 22px;
    background: transparent;
    border: none;
    text-align: left;
    font-size: 16px;
    font-weight: 700;
    color: var(--text);
    transition: background .2s ease;
  }

  .faq-question:hover { background: rgba(14,79,58,.04); }

  .faq-question i {
    color: var(--gold);
    font-size: 14px;
    transition: transform .2s ease;
    flex-shrink: 0;
  }

  .faq-item.open .faq-question i { transform: rotate(180deg); }

  .faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height .28s ease;
    background: var(--bg);
  }

  .faq-answer-inner {
    padding: 4px 22px 18px;
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.7;
  }

  .faq-item.open .faq-answer {
    max-height: 320px;
    border-top: 1px solid var(--border);
  }

  /* CTA */
  .cta-box {
    background: linear-gradient(135deg, rgba(185,138,47,.14) 0%, rgba(185,138,47,.05) 60%);
    border: 1px solid rgba(185,138,47,.28);
    border-radius: var(--radius-lg);
    padding: 48px 40px;
    text-align: center;
  }

  .cta-box h2 {
    font-size: 28px;
    font-weight: 800;
    color: var(--text);
    margin-bottom: 10px;
  }

  .cta-box p {
    font-size: 15px;
    color: var(--text-muted);
    max-width: 520px;
    margin: 0 auto 26px;
    line-height: 1.7;
  }

  /* Footer */
  .site-footer {
    background: var(--brand-deeper);
    color: #C9D6CE;
    margin-top: 64px;
  }

  .footer-accent {
    height: 4px;
    background: linear-gradient(90deg, var(--gold), var(--gold-light), var(--gold));
  }

  .footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
    gap: 40px;
    padding: 48px 0 32px;
  }

  .footer-brand .logo-text { color: #fff; }

  .footer-desc {
    font-size: 14px;
    color: #C9D6CE;
    line-height: 1.7;
    margin-top: 14px;
    max-width: 260px;
  }

  .footer-title {
    font-size: 15px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 16px;
    letter-spacing: .02em;
  }

  .footer-links li {
    margin-bottom: 10px;
    font-size: 14px;
    line-height: 1.6;
  }

  .footer-links a { color: #C9D6CE; transition: color .2s ease; }

  .footer-links a:hover { color: var(--gold-light); }

  .footer-bottom {
    border-top: 1px solid rgba(201,214,206,.12);
    padding: 18px 0 24px;
    font-size: 13px;
    color: #8FA89B;
    text-align: center;
  }

  /* Responsive */
  @media (max-width: 1024px) {
    .hero-title { font-size: 34px; }
    .steps-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .intro-grid,
    .scenario-block { grid-template-columns: 1fr; gap: 32px; }
    .scenario-block.flip .scenario-visual { order: 1; }
    .scenario-block.flip .scenario-copy { order: 2; }
  }

  @media (max-width: 768px) {
    .c-container { padding-left: 16px; padding-right: 16px; }
    .header-inner { flex-wrap: wrap; gap: 12px; }
    .nav-tabs { order: 3; width: 100%; justify-content: flex-start; }
    .header-cta { margin-left: auto; }
    .page-hero { padding: 40px 0; }
    .hero-title { font-size: 28px; }
    .hero-inner { grid-template-columns: 1fr; gap: 32px; }
    .hero-visual img { height: 240px; }
    .section-block { padding: 40px 0; }
    .section-title { font-size: 24px; }
    .steps-grid { grid-template-columns: 1fr; }
    .res-grid { grid-template-columns: 1fr; }
    .cta-box { padding: 32px 20px; }
    .cta-box h2 { font-size: 22px; }
    .footer-grid { grid-template-columns: 1fr; gap: 28px; padding: 36px 0 24px; }
    .intro-visual img,
    .scenario-visual img { height: 240px; }
  }

  @media (max-width: 520px) {
    .logo-text { font-size: 17px; }
    .nav-tab { padding: 7px 14px; font-size: 13px; }
    .hero-actions .btn-primary,
    .hero-actions .btn-secondary { width: 100%; }
    .step-card { padding: 20px 16px; }
    .adv-card { padding: 20px 16px; }
    .faq-question { font-size: 15px; padding: 15px 16px; }
    .faq-answer-inner { padding: 4px 16px 14px; }
  }

/* roulang page: category2 */
:root {
            --primary: #0E4F3A;
            --primary-dark: #0A3D2D;
            --accent: #B98A2F;
            --accent-light: #F5EDDA;
            --orange: #D9782F;
            --bg: #F7F4EE;
            --card-bg: #FFFFFF;
            --text: #1F2A24;
            --text-secondary: #5A6B61;
            --border: #E6E0D4;
            --radius-lg: 16px;
            --radius-md: 8px;
            --shadow: 0 1px 3px rgba(15, 35, 25, .06), 0 8px 24px rgba(15, 35, 25, .08);
            --shadow-hover: 0 4px 12px rgba(15, 35, 25, .12), 0 16px 32px rgba(15, 35, 25, .10);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.7;
            margin: 0;
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color .2s ease;
        }

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

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

        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(247, 244, 238, .95);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            transition: background .3s ease, box-shadow .3s ease;
        }

        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(15, 35, 25, .06);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            padding: 14px 0;
            flex-wrap: nowrap;
        }

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

        .logo-badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-size: 22px;
            font-weight: 800;
            line-height: 1;
            position: relative;
            box-shadow: 0 0 0 2px #fff, 0 0 0 4px var(--accent);
        }

        .logo-text {
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            letter-spacing: .02em;
            white-space: nowrap;
        }

        .nav-tabs {
            display: flex;
            align-items: center;
            gap: 8px;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            flex: 1;
            justify-content: center;
            padding: 4px 0;
        }

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

        .nav-tab {
            display: inline-flex;
            align-items: center;
            padding: 8px 22px;
            border-radius: 999px;
            border: 1px solid #D6CBB8;
            background: transparent;
            color: var(--primary);
            font-size: 14px;
            font-weight: 600;
            white-space: nowrap;
            transition: all .2s ease;
            flex-shrink: 0;
        }

        .nav-tab:hover {
            border-color: var(--primary);
            background: rgba(14, 79, 58, .06);
            color: var(--primary-dark);
        }

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

        .nav-tab.active {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
        }

        .header-cta {
            flex-shrink: 0;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            border: 1.5px solid var(--primary);
            border-radius: var(--radius-md);
            padding: 12px 28px;
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: all .2s ease;
            line-height: 1.4;
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 18px rgba(14, 79, 58, .22);
        }

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

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

        .btn-sm {
            padding: 8px 20px;
            font-size: 14px;
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: transparent;
            color: var(--primary);
            border: 1.5px solid var(--primary);
            border-radius: var(--radius-md);
            padding: 12px 28px;
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: all .2s ease;
            line-height: 1.4;
        }

        .btn-outline:hover {
            background: rgba(14, 79, 58, .08);
            color: var(--primary-dark);
            transform: translateY(-2px);
        }

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

        .chip {
            display: inline-flex;
            align-items: center;
            padding: 4px 14px;
            border-radius: 999px;
            background: var(--accent-light);
            color: #7A5A1A;
            font-size: 13px;
            font-weight: 600;
            border: 1px solid rgba(185, 138, 47, .25);
        }

        .card-hover {
            transition: box-shadow .3s ease, transform .3s ease;
        }

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

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

        .section-title {
            font-size: 32px;
            font-weight: 800;
            color: var(--text);
            line-height: 1.3;
            letter-spacing: -0.01em;
            margin-bottom: 12px;
        }

        .section-sub {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 640px;
            line-height: 1.7;
        }

        .title-bar {
            width: 48px;
            height: 3px;
            background: var(--primary);
            border-radius: 2px;
            margin: 16px 0 20px;
        }

        .icon-badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(14, 79, 58, .08);
            color: var(--primary);
            font-size: 18px;
            flex-shrink: 0;
        }

        .hero-section {
            position: relative;
            padding: 80px 0 72px;
            overflow: hidden;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center 30%;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(90deg, rgba(247, 244, 238, .96) 0%, rgba(247, 244, 238, .88) 45%, rgba(247, 244, 238, .55) 100%);
        }

        .hero-inner {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1.05fr .95fr;
            gap: 48px;
            align-items: center;
        }

        .hero-copy {
            max-width: 620px;
        }

        .hero-kicker {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            color: var(--accent);
            letter-spacing: .06em;
            margin-bottom: 20px;
        }

        .hero-kicker span {
            display: inline-block;
            width: 24px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }

        .hero-title {
            font-size: 42px;
            font-weight: 800;
            line-height: 1.25;
            color: var(--text);
            margin-bottom: 16px;
            letter-spacing: -0.01em;
        }

        .hero-sub {
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-secondary);
            margin-bottom: 32px;
            max-width: 540px;
        }

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

        .hero-visual {
            position: relative;
        }

        .hero-visual-img {
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-hover);
            object-fit: cover;
            width: 100%;
            height: 380px;
        }

        .hero-float-card {
            position: absolute;
            bottom: 24px;
            left: -24px;
            background: #fff;
            border-radius: 12px;
            padding: 16px 20px;
            box-shadow: var(--shadow-hover);
            display: flex;
            align-items: center;
            gap: 12px;
            border-left: 3px solid var(--accent);
        }

        .hero-float-card .number {
            font-size: 26px;
            font-weight: 800;
            color: var(--orange);
            line-height: 1;
        }

        .hero-float-card .label {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.3;
        }

        .intro-section {
            background: var(--bg);
        }

        .intro-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 56px;
            align-items: center;
        }

        .intro-copy .lead {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 16px;
        }

        .intro-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            margin-top: 24px;
        }

        .intro-list li {
            list-style: none;
            display: flex;
            align-items: flex-start;
            gap: 12px;
            font-size: 15px;
            color: var(--text);
        }

        .intro-list .check-mark {
            width: 20px;
            height: 20px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 11px;
            flex-shrink: 0;
            margin-top: 3px;
        }

        .intro-img {
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            object-fit: cover;
            width: 100%;
            height: 380px;
        }

        .feature-cards {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 40px;
        }

        .feature-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: box-shadow .3s ease, transform .3s ease;
            border-left: 3px solid var(--primary);
        }

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

        .feature-card:nth-child(2) {
            border-left-color: var(--accent);
        }

        .feature-card:nth-child(3) {
            border-left-color: var(--orange);
        }

        .feature-card .num {
            position: absolute;
            top: 18px;
            right: 24px;
            font-size: 38px;
            font-weight: 800;
            color: rgba(217, 120, 47, .14);
            line-height: 1;
        }

        .feature-card .icon-badge {
            margin-bottom: 16px;
        }

        .feature-card h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
        }

        .feature-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
        }

        .process-section {
            background: linear-gradient(180deg, var(--bg) 0%, #EDE8DC 100%);
        }

        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 48px;
            position: relative;
        }

        .process-steps::before {
            content: '';
            position: absolute;
            top: 24px;
            left: 8%;
            right: 8%;
            height: 2px;
            background: linear-gradient(90deg, var(--primary) 0%, var(--accent) 100%);
            opacity: .35;
            border-radius: 2px;
        }

        .process-step {
            position: relative;
            text-align: center;
            padding: 0 8px;
        }

        .process-step .step-circle {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-weight: 700;
            font-size: 18px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
            position: relative;
            z-index: 2;
            box-shadow: 0 0 0 4px var(--bg), 0 4px 12px rgba(14, 79, 58, .3);
        }

        .process-step:nth-child(2) .step-circle {
            background: var(--accent);
        }

        .process-step:nth-child(3) .step-circle {
            background: var(--orange);
        }

        .process-step:nth-child(4) .step-circle {
            background: var(--primary-dark);
        }

        .process-step h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 6px;
        }

        .process-step p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
            margin: 0;
        }

        .resource-section {
            background: var(--bg);
        }

        .resource-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
            margin-top: 40px;
        }

        .resource-item {
            background: var(--card-bg);
            border-radius: 12px;
            padding: 20px 24px;
            display: flex;
            align-items: center;
            gap: 16px;
            box-shadow: var(--shadow);
            transition: all .25s ease;
            border: 1px solid transparent;
        }

        .resource-item:hover {
            box-shadow: var(--shadow-hover);
            border-color: rgba(185, 138, 47, .4);
            transform: translateX(4px);
        }

        .resource-item .resource-icon {
            width: 42px;
            height: 42px;
            border-radius: 10px;
            background: rgba(14, 79, 58, .08);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 18px;
            flex-shrink: 0;
        }

        .resource-item .resource-text {
            flex: 1;
        }

        .resource-item .resource-text h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 2px;
        }

        .resource-item .resource-text p {
            font-size: 13px;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.5;
        }

        .resource-item .arrow {
            color: var(--accent);
            font-size: 14px;
            flex-shrink: 0;
        }

        .faq-section {
            background: var(--bg);
        }

        .faq-list {
            max-width: 860px;
            margin: 40px auto 0;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--card-bg);
            border-radius: 12px;
            box-shadow: var(--shadow);
            overflow: hidden;
            transition: box-shadow .25s ease;
            border: 1px solid var(--border);
        }

        .faq-item:hover {
            box-shadow: var(--shadow-hover);
        }

        .faq-item.active {
            box-shadow: var(--shadow-hover);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 24px;
            background: transparent;
            border: none;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            cursor: pointer;
            text-align: left;
            font-family: inherit;
            transition: background .2s ease;
        }

        .faq-question:hover {
            background: rgba(14, 79, 58, .03);
        }

        .faq-question:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: -2px;
            border-radius: 12px;
        }

        .faq-icon {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: rgba(14, 79, 58, .08);
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            flex-shrink: 0;
            transition: transform .3s ease, background .3s ease;
        }

        .faq-item.active .faq-icon {
            transform: rotate(45deg);
            background: var(--primary);
            color: #fff;
        }

        .faq-answer {
            padding: 0 24px;
            max-height: 0;
            overflow: hidden;
            transition: max-height .3s ease, padding .3s ease;
        }

        .faq-item.active .faq-answer {
            padding: 0 24px 18px;
            max-height: 500px;
        }

        .faq-answer p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            background: #F7F4EE;
            border-radius: 8px;
            padding: 14px 16px;
            margin: 0;
        }

        .cta-section {
            background: linear-gradient(135deg, rgba(185, 138, 47, .10) 0%, rgba(185, 138, 47, .06) 100%);
            border-top: 1px solid rgba(185, 138, 47, .15);
        }

        .cta-box {
            text-align: center;
            max-width: 680px;
            margin: 0 auto;
        }

        .cta-box h2 {
            font-size: 28px;
            font-weight: 800;
            color: var(--text);
            margin-bottom: 12px;
        }

        .cta-box p {
            font-size: 16px;
            color: var(--text-secondary);
            margin-bottom: 28px;
        }

        .site-footer {
            background: #0A2E22;
            color: #C9D6CE;
            position: relative;
        }

        .footer-accent {
            height: 4px;
            background: linear-gradient(90deg, var(--accent), #E8C784, var(--accent));
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding: 56px 0 40px;
        }

        .footer-brand .logo-text {
            color: #fff;
        }

        .footer-desc {
            font-size: 14px;
            color: #C9D6CE;
            line-height: 1.7;
            margin-top: 16px;
            max-width: 320px;
        }

        .footer-title {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            position: relative;
            padding-bottom: 8px;
        }

        .footer-title::after {
            content: '';
            display: block;
            width: 24px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
            margin-top: 6px;
        }

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

        .footer-links a,
        .footer-links li {
            color: #C9D6CE;
            font-size: 14px;
            transition: color .2s ease;
        }

        .footer-links a:hover {
            color: #D6B36A;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .08);
            padding: 18px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(201, 214, 206, .7);
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 24px;
            flex-wrap: wrap;
        }

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

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

        .breadcrumb .sep {
            color: #B8B0A0;
            font-size: 12px;
        }

        @media (max-width: 1023px) {
            .hero-title {
                font-size: 36px;
            }
            .hero-inner {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-visual-img {
                height: 320px;
            }
            .feature-cards {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-steps {
                grid-template-columns: repeat(2, 1fr);
                gap: 32px;
            }
            .process-steps::before {
                display: none;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .intro-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 767px) {
            .section-padding {
                padding: 48px 0;
            }
            .section-title {
                font-size: 26px;
            }
            .header-inner {
                flex-wrap: wrap;
                gap: 12px;
            }
            .nav-tabs {
                order: 3;
                width: 100%;
                justify-content: flex-start;
                padding: 4px 0 0;
            }
            .header-cta {
                margin-left: auto;
            }
            .hero-section {
                padding: 48px 0;
            }
            .hero-title {
                font-size: 30px;
            }
            .hero-sub {
                font-size: 15px;
            }
            .hero-visual-img {
                height: 240px;
            }
            .hero-float-card {
                left: 8px;
                bottom: 12px;
                padding: 12px 16px;
            }
            .feature-cards {
                grid-template-columns: 1fr;
            }
            .process-steps {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .resource-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
                padding: 40px 0 32px;
            }
            .c-container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .hero-btns .btn-primary,
            .hero-btns .btn-outline {
                width: 100%;
            }
        }

        @media (min-width: 520px) and (max-width: 767px) {
            .logo-text {
                font-size: 16px;
            }
            .nav-tab {
                padding: 7px 16px;
                font-size: 13px;
            }
        }

/* roulang page: article */
:root {
  --primary: #0E4F3A;
  --primary-dark: #0A3D2D;
  --primary-soft: rgba(14, 79, 58, .08);
  --gold: #B98A2F;
  --gold-dark: #A57A28;
  --gold-soft: rgba(185, 138, 47, .10);
  --amber: #D9782F;
  --cream: #F7F4EE;
  --ink: #1F2A24;
  --muted: #5A6B61;
  --card: #FFFFFF;
  --border: #E6E0D4;
  --footer-bg: #0A2E22;
  --footer-text: #C9D6CE;
  --footer-link: #D6B36A;
  --radius-lg: 16px;
  --radius-md: 8px;
  --radius-full: 999px;
  --shadow-sm: 0 1px 3px rgba(15, 35, 25, .06), 0 8px 24px rgba(15, 35, 25, .08);
  --shadow-hover: 0 4px 12px rgba(15, 35, 25, .12), 0 16px 32px rgba(15, 35, 25, .10);
  --font-sans: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background: var(--cream);
  color: var(--ink);
  line-height: 1.7;
  font-size: 15px;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

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

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

ul, ol {
  list-style: none;
}

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

/* ======== 容器 ======== */
.c-container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ======== 导航 ======== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(247, 244, 238, .96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s, box-shadow .3s;
}

.site-header.scrolled {
  border-bottom-color: var(--border);
  box-shadow: 0 2px 16px rgba(15, 35, 25, .06);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 72px;
  padding: 12px 0;
}

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

.logo-badge {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 800;
  position: relative;
}

.logo-badge::after {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  border: 2px solid var(--gold);
}

.logo-text {
  font-size: 20px;
  font-weight: 700;
  color: var(--primary);
  white-space: nowrap;
  letter-spacing: .5px;
}

.nav-tabs {
  display: flex;
  align-items: center;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
  padding: 2px;
}

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

.nav-tab {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 20px;
  border-radius: 999px;
  background: transparent;
  color: var(--primary);
  border: 1px solid #D6CBB8;
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
  flex-shrink: 0;
  transition: background .2s, color .2s, border-color .2s, box-shadow .2s;
  cursor: pointer;
}

.nav-tab:hover {
  background: var(--primary-soft);
  border-color: var(--primary);
}

.nav-tab.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  box-shadow: 0 2px 10px rgba(14, 79, 58, .18);
}

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

.header-cta {
  flex-shrink: 0;
}

.header-cta .btn-primary {
  padding: 9px 22px;
  font-size: 14px;
}

/* ======== 按钮 ======== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--primary);
  color: #fff !important;
  border: none;
  padding: 12px 28px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: background .2s, transform .2s, box-shadow .2s, opacity .2s;
  box-shadow: 0 1px 3px rgba(15, 35, 25, .08);
  line-height: 1.4;
}

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

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

.btn-primary:focus {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

.btn-sm {
  padding: 8px 18px;
  font-size: 13px;
}

.btn-lg {
  padding: 14px 36px;
  font-size: 16px;
}

/* ======== 文章页面 ======== */
.article-page {
  padding-bottom: 32px;
}

.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  color: var(--muted);
  padding: 24px 0 12px;
}

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

.breadcrumb a:hover {
  color: var(--gold-dark);
  text-decoration: underline;
}

.breadcrumb .sep {
  color: #C0B7A8;
}

.breadcrumb .current {
  color: var(--muted);
  max-width: 320px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.article-wrapper {
  max-width: 800px;
  margin: 0 auto;
}

.article-head {
  padding: 16px 0 24px;
}

.article-title {
  font-size: 32px;
  font-weight: 800;
  line-height: 1.35;
  color: var(--ink);
  margin-bottom: 20px;
  letter-spacing: .3px;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 20px;
  font-size: 13px;
  color: var(--muted);
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}

.meta-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.meta-item::before {
  content: '';
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--gold);
  opacity: .7;
}

.meta-item:first-child::before {
  display: none;
}

.article-cover {
  margin: 24px 0 8px;
}

.article-cover img {
  width: 100%;
  height: auto;
  border-radius: 16px;
  object-fit: cover;
  box-shadow: var(--shadow-sm);
}

.article-body {
  padding: 24px 0 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink);
}

.article-body p {
  margin-bottom: 16px;
}

.article-body h3 {
  font-size: 22px;
  font-weight: 700;
  margin: 28px 0 14px;
  color: var(--primary);
  line-height: 1.4;
}

.article-body h4 {
  font-size: 18px;
  font-weight: 700;
  margin: 24px 0 12px;
  color: var(--ink);
  line-height: 1.4;
}

.article-body img {
  width: 100%;
  height: auto;
  border-radius: 12px;
  margin: 20px 0;
  box-shadow: var(--shadow-sm);
}

.article-body blockquote {
  border-left: 4px solid var(--primary);
  background: #F0F4EF;
  padding: 16px 20px;
  border-radius: 0 8px 8px 0;
  margin: 20px 0;
  color: var(--muted);
  font-size: 15px;
}

.article-body ul, .article-body ol {
  margin: 12px 0 16px 22px;
}

.article-body ul {
  list-style: square;
}

.article-body ol {
  list-style: decimal;
}

.article-body li {
  margin-bottom: 8px;
}

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

.article-body code {
  background: #F0F4EF;
  border-radius: 6px;
  padding: 2px 6px;
  font-size: 14px;
  color: var(--primary);
}

.article-body pre {
  background: #F0F4EF;
  border-radius: 12px;
  padding: 16px 20px;
  overflow-x: auto;
  font-size: 13px;
  line-height: 1.7;
  margin: 20px 0;
  border: 1px solid var(--border);
}

.article-body a {
  color: var(--primary);
  font-weight: 600;
  border-bottom: 1px solid rgba(14, 79, 58, .3);
  transition: border-color .2s, color .2s;
}

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

/* 标签 */
.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 24px 0 32px;
  border-top: 1px solid var(--border);
  margin-top: 16px;
}

.tag-chip {
  padding: 6px 14px;
  border-radius: 999px;
  background: var(--gold-soft);
  border: 1px solid var(--border);
  color: var(--primary);
  font-size: 13px;
  font-weight: 500;
  transition: border-color .2s, background .2s;
  cursor: default;
}

.tag-chip:hover {
  border-color: var(--gold);
}

/* 相关推荐 */
.related-section {
  padding: 40px 0 8px;
}

.section-title {
  font-size: 26px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 28px;
  position: relative;
  padding-left: 16px;
  line-height: 1.4;
}

.section-title::before {
  content: '';
  position: absolute;
  left: 0;
  top: 6px;
  width: 4px;
  height: 22px;
  border-radius: 4px;
  background: var(--gold);
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.rel-card {
  background: var(--card);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: box-shadow .3s ease;
  cursor: pointer;
  display: block;
}

.rel-card:hover {
  box-shadow: var(--shadow-hover);
}

.rel-cover {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--cream);
}

.rel-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .3s ease;
}

.rel-card:hover .rel-cover img {
  transform: scale(1.03);
}

.rel-body {
  padding: 18px 20px 20px;
}

.rel-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.5;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 48px;
}

.rel-date {
  font-size: 13px;
  color: var(--muted);
}

/* 返回入口 */
.back-area {
  padding: 32px 0 8px;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  transition: gap .2s, color .2s;
}

.back-link:hover {
  gap: 12px;
  color: var(--gold-dark);
}

.back-link::before {
  content: '←';
  font-size: 18px;
  line-height: 1;
}

/* CTA 区块 */
.cta-section {
  background: var(--gold-soft);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 48px 40px;
  text-align: center;
  margin: 40px 0 56px;
}

.cta-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 12px;
}

.cta-desc {
  font-size: 15px;
  color: var(--muted);
  max-width: 560px;
  margin: 0 auto 24px;
  line-height: 1.7;
}

/* 内容未找到 */
.notfound-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 80px 24px;
}

.notfound-box {
  background: var(--card);
  border-radius: 16px;
  box-shadow: var(--shadow-sm);
  padding: 56px 48px;
  text-align: center;
  max-width: 480px;
  width: 100%;
}

.notfound-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 24px;
  border-radius: 50%;
  background: var(--primary-soft);
  color: var(--primary);
  font-size: 32px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
}

.notfound-box h1 {
  font-size: 28px;
  font-weight: 800;
  color: var(--ink);
  margin-bottom: 16px;
}

.notfound-box p {
  font-size: 15px;
  color: var(--muted);
  margin-bottom: 28px;
}

/* ======== 页脚 ======== */
.site-footer {
  background: var(--footer-bg);
  color: var(--footer-text);
  margin-top: 40px;
}

.footer-accent {
  height: 4px;
  background: linear-gradient(90deg, var(--gold) 0%, #D6B36A 100%);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding: 48px 0 32px;
}

.footer-brand .logo {
  margin-bottom: 16px;
}

.footer-brand .logo-badge {
  width: 36px;
  height: 36px;
  font-size: 20px;
}

.footer-brand .logo-badge::after {
  inset: -2px;
  border-width: 1.5px;
}

.footer-brand .logo-text {
  color: #fff;
  font-size: 18px;
}

.footer-desc {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(201, 214, 206, .8);
  max-width: 280px;
}

.footer-title {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 16px;
  letter-spacing: .5px;
}

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

.footer-links a {
  font-size: 14px;
  color: var(--footer-text);
  transition: color .2s;
}

.footer-links a:hover {
  color: var(--footer-link);
}

.footer-bottom {
  border-top: 1px solid rgba(201, 214, 206, .12);
  padding: 20px 0;
  font-size: 13px;
  color: rgba(201, 214, 206, .7);
  text-align: center;
  letter-spacing: .3px;
}

/* ======== 动效 ======== */
[data-animate] {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity .3s ease-out, transform .3s ease-out;
}

[data-animate].in-view {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  [data-animate] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ======== 响应式 ======== */
@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}

@media (max-width: 768px) {
  .c-container {
    padding: 0 16px;
  }

  .header-inner {
    flex-wrap: wrap;
    min-height: 0;
    gap: 12px;
    padding: 12px 0;
  }

  .logo {
    order: 1;
  }

  .header-cta {
    order: 2;
  }

  .nav-tabs {
    order: 3;
    width: 100%;
    padding-bottom: 2px;
    gap: 6px;
  }

  .nav-tab {
    padding: 7px 16px;
    font-size: 13px;
  }

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

  .related-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .rel-title {
    min-height: 0;
  }

  .article-meta {
    gap: 8px 14px;
  }

  .section-title {
    font-size: 22px;
  }

  .cta-section {
    padding: 32px 24px;
  }

  .cta-title {
    font-size: 20px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
    padding: 36px 0 24px;
  }

  .footer-brand .footer-desc {
    max-width: 100%;
  }
}

@media (max-width: 520px) {
  .article-title {
    font-size: 22px;
  }

  .article-meta {
    font-size: 12px;
  }

  .meta-item::before {
    display: none;
  }

  .breadcrumb {
    font-size: 12px;
  }

  .breadcrumb .current {
    max-width: 180px;
  }

  .cta-title {
    font-size: 18px;
  }

  .cta-desc {
    font-size: 14px;
  }

  .notfound-box {
    padding: 40px 24px;
  }

  .notfound-box h1 {
    font-size: 24px;
  }

  .footer-grid {
    gap: 24px;
  }

  .logo-text {
    font-size: 17px;
  }
}