/* roulang page: index */
:root {
    --pine: #1E4D3C;
    --lime: #C6F24E;
    --paper: #F7F5F0;
    --mist: #E4E9E4;
    --ink: #13262F;
    --stone: #6B7A76;
    --radius-card: 16px;
    --radius-pill: 999px;
    --shadow-soft: 0 4px 24px rgba(19, 38, 47, 0.06);
    --bg: #F7F5F0;
  }
  * { box-sizing: border-box; margin: 0; padding: 0; }
  html { scroll-behavior: smooth; }
  body {
    font-family: "Noto Sans SC", system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
    background: var(--bg);
    color: var(--ink);
    line-height: 1.75;
    font-size: 15px;
    -webkit-font-smoothing: antialiased;
  }
  a { color: inherit; text-decoration: none; }
  img { max-width: 100%; display: block; }
  button { font-family: inherit; cursor: pointer; }
  input:focus, button:focus, a:focus { outline: 2px solid var(--lime); outline-offset: 2px; }
  ::selection { background: var(--lime); color: var(--ink); }

  .container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 24px; }

  .dock-nav {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 50;
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: calc(100% - 24px);
    max-width: 1000px;
    height: 60px;
    padding: 0 10px 0 18px;
    background: rgba(247, 245, 240, 0.85);
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
    border: 1px solid var(--mist);
    border-radius: var(--radius-pill);
    box-shadow: 0 2px 12px rgba(19, 38, 47, 0.04);
    transition: box-shadow 0.3s, border-color 0.3s;
  }
  .dock-nav.scrolled {
    border-color: rgba(30, 77, 60, 0.2);
    box-shadow: 0 12px 40px rgba(19, 38, 47, 0.12);
  }
  .dock-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
  }
  .dock-logo .logo-badge {
    width: 36px;
    height: 36px;
    background: var(--pine);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 19px;
    color: var(--lime);
    transition: transform 0.3s;
  }
  .dock-logo:hover .logo-badge { transform: rotate(5deg); }
  .dock-logo .logo-text { font-size: 16px; font-weight: 700; color: var(--ink); letter-spacing: -0.01em; }
  .dock-logo .logo-text span { font-weight: 400; color: var(--stone); margin-left: 2px; }
  .dock-links { display: flex; align-items: center; gap: 6px; }
  .dock-links a {
    font-size: 14px;
    color: var(--ink);
    padding: 7px 16px;
    border-radius: var(--radius-pill);
    transition: color 0.2s, background 0.2s;
    white-space: nowrap;
  }
  .dock-links a:hover { color: var(--pine); background: rgba(228, 233, 228, 0.6); }
  .dock-links a.active { background: var(--pine); color: #fff; }
  .dock-right { display: flex; align-items: center; gap: 8px; }
  .search-btn {
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    border: 1px solid var(--mist);
    background: transparent;
    color: var(--ink);
    transition: background 0.2s, color 0.2s;
  }
  .search-btn:hover { background: var(--mist); }
  .search-box {
    position: absolute;
    right: 76px;
    top: 50%;
    transform: translateY(-50%);
    width: 0;
    opacity: 0;
    overflow: hidden;
    transition: width 0.3s, opacity 0.3s;
  }
  .search-box.open { width: 200px; opacity: 1; }
  .search-box input {
    width: 100%;
    height: 38px;
    border: 1px solid var(--mist);
    border-radius: var(--radius-pill);
    padding: 0 16px;
    font-size: 13px;
    background: #fff;
    color: var(--ink);
  }
  .btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    height: 40px;
    padding: 0 22px;
    background: var(--lime);
    color: var(--ink);
    border-radius: var(--radius-pill);
    font-size: 14px;
    font-weight: 500;
    border: none;
    transition: filter 0.2s, transform 0.2s, box-shadow 0.2s;
  }
  .btn-primary:hover { filter: brightness(1.06); box-shadow: var(--shadow-glow, 0 8px 30px rgba(198, 242, 78, 0.25)); transform: translateY(-2px); }
  .btn-primary:active { transform: scale(0.98); }
  .btn-ghost {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    height: 40px;
    padding: 0 26px;
    background: transparent;
    color: var(--pine);
    border: 1.5px solid var(--pine);
    border-radius: var(--radius-pill);
    font-size: 14px;
    font-weight: 500;
    transition: background 0.2s, color 0.2s, transform 0.2s;
  }
  .btn-ghost:hover { background: var(--pine); color: #fff; transform: translateY(-2px); }
  .btn-ghost:active { transform: scale(0.98); }

  .eyebrow {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.12em;
    color: var(--stone);
    text-transform: uppercase;
  }
  .eyebrow .num { color: var(--pine); font-weight: 700; letter-spacing: 0; }
  .eyebrow .line { width: 40px; height: 1px; background: var(--mist); }

  .card-base {
    background: #fff;
    border: 1px solid var(--mist);
    border-radius: var(--radius-card);
    padding: 28px;
    transition: transform 0.25s cubic-bezier(.4,0,.2,1), box-shadow 0.25s, border-color 0.25s;
  }
  .card-base:hover {
    border-color: var(--pine);
    box-shadow: var(--shadow-soft);
    transform: translateY(-4px);
  }
  .tag-lime {
    display: inline-block;
    background: rgba(198, 242, 78, 0.15);
    color: var(--ink);
    font-size: 12px;
    font-weight: 500;
    border-radius: var(--radius-pill);
    padding: 4px 14px;
    white-space: nowrap;
  }

  .section-padding { padding: 80px 0; }

  .fade-up { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
  .fade-up.visible { opacity: 1; transform: translateY(0); }

  .hero-backdrop {
    position: absolute;
    inset: 0;
    background-image: url('/assets/images/backpic/back-1.png');
    background-size: cover;
    background-position: center;
    opacity: 0.08;
    z-index: 0;
  }

  .stat-number { font-size: 30px; font-weight: 700; color: var(--ink); line-height: 1.2; }

  .carousel-wrap { position: relative; overflow: hidden; }
  .carousel-track { display: flex; transition: transform 0.3s ease; }
  .carousel-slide { min-width: 100%; padding: 0 12px; }
  .screenshot-frame {
    background: #fff;
    border-radius: 16px;
    border: 1px solid rgba(255,255,255,0.12);
    overflow: hidden;
    max-width: 860px;
    margin: 0 auto;
  }
  .screenshot-top { display: flex; gap: 6px; padding: 10px 14px; background: rgba(19,38,47,0.04); }
  .screenshot-top span { width: 10px; height: 10px; border-radius: 50%; background: var(--mist); display: block; }
  .screenshot-frame img { width: 100%; aspect-ratio: 16/9; object-fit: cover; }

  .carousel-dot { width: 8px; height: 8px; border-radius: 50%; background: rgba(255,255,255,0.3); border: none; transition: background 0.3s; }
  .carousel-dot.active { background: var(--lime); }

  .req-table-row {
    display: grid;
    grid-template-columns: 1fr 1.6fr;
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 14px;
  }
  .req-table-row:nth-child(odd) { background: rgba(228, 233, 228, 0.4); }
  .req-table-row .label { color: var(--stone); }
  .req-table-row .value { color: var(--ink); font-weight: 500; }

  .devices-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
  .device-item {
    border: 1px solid var(--mist);
    border-radius: 14px;
    padding: 22px 20px;
    background: #fff;
    transition: background 0.2s, border-color 0.2s, transform 0.2s;
  }
  .device-item:hover { background: rgba(198, 242, 78, 0.08); border-color: var(--pine); transform: translateY(-2px); }

  .testimonial-card {
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-card);
    padding: 26px;
    transition: border-color 0.25s, transform 0.25s;
  }
  .testimonial-card:hover { border-color: rgba(198, 242, 78, 0.4); transform: translateY(-3px); }

  .news-card {
    display: flex;
    gap: 20px;
    align-items: flex-start;
    background: #fff;
    border: 1px solid var(--mist);
    border-radius: var(--radius-card);
    padding: 18px;
    transition: border-color 0.25s, box-shadow 0.25s, transform 0.25s;
  }
  .news-card:hover { border-color: var(--pine); box-shadow: var(--shadow-soft); transform: translateY(-3px); }
  .news-card:hover .news-thumb img { transform: scale(1.03); }
  .news-thumb { flex-shrink: 0; width: 128px; height: 84px; border-radius: 12px; overflow: hidden; }
  .news-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.25s; }

  .faq-item { background: #fff; border: 1px solid var(--mist); border-radius: 12px; margin-bottom: 12px; overflow: hidden; transition: border-color 0.25s; }
  .faq-item:hover { border-color: var(--pine); }
  .faq-item.open { border-color: var(--pine); }
  .faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 18px 22px;
    background: none;
    border: none;
    text-align: left;
    font-size: 16px;
    font-weight: 600;
    color: var(--ink);
  }
  .faq-icon {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--mist);
    color: var(--ink);
    font-size: 18px;
    font-weight: 400;
    transition: transform 0.3s;
  }
  .faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease;
    padding: 0 22px;
    font-size: 14px;
    color: var(--stone);
    border-top: 0 solid var(--pine);
  }
  .faq-item.open .faq-answer { border-top-width: 1px; padding: 16px 22px; }
  .faq-item.open .faq-icon { transform: rotate(45deg); background: var(--lime); }

  .footer-watermark { position: absolute; top: -70px; left: 20px; font-size: 260px; font-weight: 800; color: var(--lime); opacity: 0.06; pointer-events: none; line-height: 1; }

  .mobile-topbar { display: none; }
  .mobile-dock { display: none; }
  .mobile-drawer { display: none; }

  .lazy-img { background: var(--mist); }

  @media (max-width: 1023px) {
    .dock-nav { max-width: 720px; }
    .dock-links { gap: 2px; }
    .dock-links a { padding: 6px 12px; font-size: 13px; }
    .container { padding: 0 20px; }
  }

  @media (max-width: 767px) {
    .section-padding { padding: 56px 0; }
    .dock-nav { display: none; }
    .mobile-topbar {
      display: flex;
      align-items: center;
      justify-content: space-between;
      position: fixed;
      top: 14px;
      left: 14px;
      right: 14px;
      z-index: 60;
      height: 48px;
      padding: 0 16px;
      background: rgba(247, 245, 240, 0.88);
      -webkit-backdrop-filter: blur(12px);
      backdrop-filter: blur(12px);
      border: 1px solid var(--mist);
      border-radius: 999px;
      box-shadow: 0 2px 12px rgba(19,38,47,0.04);
    }
    .mobile-topbar .mb-logo { display: flex; align-items: center; gap: 8px; }
    .mobile-topbar .mb-logo .logo-badge { width: 28px; height: 28px; background: var(--pine); border-radius: 50%; display: flex; align-items: center; justify-content: center; color: var(--lime); font-weight: 800; font-size: 15px; }
    .mobile-topbar .mb-logo span { font-size: 14px; font-weight: 700; color: var(--ink); }
    .mb-hamburger { width: 32px; height: 32px; border: none; background: none; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px; }
    .mb-hamburger span { width: 16px; height: 2px; background: var(--ink); border-radius: 2px; }

    .mobile-dock {
      display: flex;
      position: fixed;
      bottom: 12px;
      left: 12px;
      right: 12px;
      z-index: 60;
      height: 56px;
      background: rgba(19, 38, 47, 0.92);
      border-radius: 24px;
      padding: 0 16px;
      padding-bottom: env(safe-area-inset-bottom);
      align-items: center;
      justify-content: space-around;
      -webkit-backdrop-filter: blur(12px);
      backdrop-filter: blur(12px);
    }
    .mobile-dock a { display: flex; flex-direction: column; align-items: center; gap: 3px; color: rgba(255,255,255,0.75); font-size: 10px; }
    .mobile-dock a.active { color: var(--lime); }
    .mobile-dock a svg { width: 20px; height: 20px; }
    .mobile-dock .dock-cta {
      position: absolute;
      right: 14px;
      bottom: 16px;
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: var(--lime);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--ink);
      box-shadow: 0 4px 16px rgba(198,242,78,0.3);
    }

    .mobile-drawer {
      position: fixed;
      inset: 0;
      background: var(--pine);
      z-index: 80;
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      gap: 24px;
      opacity: 0;
      pointer-events: none;
      transition: opacity 0.3s;
    }
    .mobile-drawer.open { opacity: 1; pointer-events: auto; }
    .mobile-drawer a { color: #fff; font-size: 22px; font-weight: 600; }
    .mobile-drawer a.active { color: var(--lime); }
    .drawer-close { position: absolute; top: 20px; right: 20px; width: 40px; height: 40px; border-radius: 50%; background: rgba(255,255,255,0.1); border: none; color: #fff; font-size: 20px; }

    .news-card { flex-direction: row; }
    .news-thumb { width: 108px; height: 76px; }

    .hero-title { font-size: 40px !important; line-height: 1.2 !important; }

    .hero-visual { margin-top: 40px; }

    .devices-grid { grid-template-columns: 1fr; }
    .req-table-row { grid-template-columns: 1fr 1.4fr; }

    .container { padding: 0 16px; }
  }

  @media (max-width: 520px) {
    .news-card { flex-direction: column; }
    .news-thumb { width: 100%; height: 140px; }
    .stat-number { font-size: 24px; }
    .screenshot-frame { border-radius: 12px; }
  }

  .hero-grid-pattern {
    position: absolute;
    inset: 0;
    background-image: radial-gradient(circle at 1px 1px, rgba(19, 38, 47, 0.08) 1px, transparent 0);
    background-size: 28px 28px;
    z-index: 0;
  }

/* roulang page: category1 */
:root {
  --pine: #1E4D3C;
  --lime: #C6F24E;
  --paper: #F7F5F0;
  --mist: #E4E9E4;
  --ink: #13262F;
  --stone: #6B7A76;
  --radius: 16px;
  --shadow-sm: 0 1px 3px rgba(19, 38, 47, 0.06);
  --shadow-md: 0 6px 20px rgba(19, 38, 47, 0.08);
  --shadow-lg: 0 16px 40px rgba(19, 38, 47, 0.12);
  --font-sans: "Noto Sans SC", system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input { font-family: inherit; outline: none; }

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

a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 2px;
}

/* ===== 按钮 ===== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--lime);
  color: var(--ink);
  font-weight: 600;
  font-size: 14px;
  height: 44px;
  padding: 0 24px;
  border-radius: 999px;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  white-space: nowrap;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(198, 242, 78, 0.35);
  filter: brightness(1.05);
}
.btn-primary:active { transform: scale(0.98); }

.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: transparent;
  color: var(--pine);
  font-weight: 600;
  font-size: 14px;
  height: 44px;
  padding: 0 24px;
  border-radius: 999px;
  border: 1.5px solid var(--pine);
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  white-space: nowrap;
}
.btn-ghost:hover { background: var(--pine); color: #fff; transform: translateY(-2px); }
.btn-ghost:active { transform: scale(0.98); }

/* ===== Dock 导航 ===== */
.dock-nav {
  position: fixed;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 100;
  width: min(960px, calc(100% - 24px));
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  background: rgba(247, 245, 240, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--mist);
  border-radius: 999px;
  padding: 0 16px 0 12px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.3s, border-color 0.3s;
}
.dock-nav.scrolled {
  box-shadow: var(--shadow-lg);
  border-color: rgba(30, 77, 60, 0.2);
}
.dock-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-badge {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--pine);
  color: var(--lime);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 18px;
  transition: transform 0.3s ease;
}
.dock-logo:hover .logo-badge { transform: rotate(5deg); }
.logo-text { font-size: 16px; font-weight: 700; letter-spacing: -0.01em; }
.logo-text span { font-weight: 400; color: var(--stone); }

.dock-links { display: flex; align-items: center; gap: 24px; flex-shrink: 0; }
.dock-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
  padding: 6px 14px;
  border-radius: 999px;
  transition: color 0.2s, background 0.2s;
}
.dock-links a:hover { color: var(--pine); }
.dock-links a.active { background: var(--pine); color: #fff; }

.dock-right { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.search-box input {
  width: 0;
  opacity: 0;
  transition: width 0.3s, opacity 0.3s;
  border: 1px solid var(--mist);
  border-radius: 999px;
  height: 36px;
  padding: 0;
  font-size: 14px;
  background: #fff;
}
.search-box.open input { width: 200px; opacity: 1; padding: 0 16px; }
.search-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ink);
  transition: background 0.2s, color 0.2s;
}
.search-btn:hover { background: var(--mist); color: var(--pine); }

/* ===== 区块通用 ===== */
.section { padding: 80px 0; }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--stone);
  text-transform: uppercase;
  margin-bottom: 16px;
}
.eyebrow .num {
  color: var(--lime);
  background: var(--pine);
  border-radius: 6px;
  font-size: 12px;
  font-weight: 700;
  padding: 2px 8px;
}
.section-title { font-size: 36px; font-weight: 650; line-height: 1.25; letter-spacing: -0.02em; }
.section-sub { font-size: 15px; color: var(--stone); max-width: 640px; line-height: 1.75; }

/* ===== Hero ===== */
.hero {
  padding: 180px 0 100px;
  position: relative;
  overflow: hidden;
  background: var(--paper);
}
.hero::before {
  content: '';
  position: absolute;
  top: 60px;
  right: -120px;
  width: 480px;
  height: 480px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(30, 77, 60, 0.08) 0%, transparent 65%);
  pointer-events: none;
}
.hero-content {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 64px;
  align-items: center;
}
.hero-title { font-size: 64px; font-weight: 700; line-height: 1.1; letter-spacing: -0.03em; }
.hero-rule { width: 80px; height: 4px; background: var(--lime); border-radius: 2px; margin: 24px 0; }
.hero-sub { font-size: 18px; color: var(--stone); line-height: 1.7; max-width: 540px; margin-bottom: 36px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-meta { font-size: 13px; color: var(--stone); }
.hero-visual { position: relative; }
.hero-visual img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  border-radius: 24px;
  box-shadow: var(--shadow-lg);
}
.hero-badge {
  position: absolute;
  bottom: 20px;
  right: -12px;
  background: var(--lime);
  color: var(--ink);
  font-weight: 700;
  font-size: 13px;
  padding: 8px 16px;
  border-radius: 999px;
  box-shadow: var(--shadow-md);
}

/* 官字印章 */
.seal {
  width: 48px;
  height: 48px;
  border: 2px solid var(--pine);
  color: var(--pine);
  font-size: 22px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  flex-shrink: 0;
}

/* ===== 图文分栏 ===== */
.split-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.split-grid img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
}

/* ===== 要点列表 ===== */
.feature-list { display: flex; flex-direction: column; }
.feature-item {
  display: flex;
  gap: 20px;
  padding: 24px 0;
  border-bottom: 1px solid rgba(228, 233, 228, 0.8);
}
.feature-item:last-child { border-bottom: none; }
.feature-num {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--lime);
  color: var(--ink);
  font-weight: 700;
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.feature-body h3 { font-size: 17px; font-weight: 600; margin-bottom: 4px; }
.feature-body p { font-size: 14px; color: var(--stone); line-height: 1.7; }

/* ===== 卡片 ===== */
.card-base {
  background: #fff;
  border: 1px solid var(--mist);
  border-radius: var(--radius);
  padding: 24px;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}
.card-base:hover {
  border-color: var(--pine);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}
.tag-lime {
  display: inline-flex;
  align-items: center;
  background: rgba(198, 242, 78, 0.15);
  color: var(--ink);
  font-size: 12px;
  font-weight: 500;
  padding: 4px 12px;
  border-radius: 999px;
}

/* ===== FAQ ===== */
.faq-list { display: flex; flex-direction: column; gap: 16px; }
.faq-item {
  background: #fff;
  border: 1px solid var(--mist);
  border-radius: 12px;
  overflow: hidden;
  transition: border-color 0.3s, box-shadow 0.3s;
}
.faq-item:hover { border-color: var(--pine); }
.faq-item.active { border-color: var(--pine); box-shadow: var(--shadow-sm); }
.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 18px 24px;
  font-size: 16px;
  font-weight: 600;
  text-align: left;
  color: var(--ink);
  background: transparent;
}
.faq-icon { flex-shrink: 0; font-size: 22px; font-weight: 400; color: var(--pine); transition: transform 0.3s ease; line-height: 1; }
.faq-item.active .faq-icon { transform: rotate(45deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.35s ease; }
.faq-answer-inner { padding: 0 24px 20px; font-size: 14px; color: var(--stone); line-height: 1.8; }

/* ===== CTA 条 ===== */
.cta-band {
  background: var(--pine);
  border-radius: 24px;
  padding: 64px 48px;
  position: relative;
  overflow: hidden;
  text-align: left;
}
.cta-band::after {
  content: '';
  position: absolute;
  top: -40px;
  right: -40px;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  border: 2px solid rgba(198, 242, 78, 0.3);
  pointer-events: none;
}
.cta-title { font-size: 32px; font-weight: 700; color: #fff; line-height: 1.3; }
.cta-sub { font-size: 15px; color: rgba(255, 255, 255, 0.7); margin-top: 12px; }

/* ===== 面包屑 ===== */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--stone);
  margin-bottom: 24px;
}
.breadcrumb a { transition: color 0.2s; }
.breadcrumb a:hover { color: var(--pine); }
.breadcrumb .sep { color: rgba(107, 122, 118, 0.5); }

/* ===== 页脚 ===== */
.footer-watermark {
  position: absolute;
  top: -20px;
  right: 40px;
  font-size: 160px;
  font-weight: 800;
  color: rgba(198, 242, 78, 0.06);
  line-height: 1;
  pointer-events: none;
  user-select: none;
}
.footer-link {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
  transition: color 0.2s;
}
.footer-link:hover { color: var(--lime); }

/* ===== 动画 ===== */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}
.fade-up { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-up.visible { opacity: 1; transform: translateY(0); }

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .hero { padding: 160px 0 80px; }
  .hero-content { grid-template-columns: 1fr; gap: 40px; }
  .hero-title { font-size: 48px; }
  .hero-visual { max-width: 560px; }
  .section { padding: 64px 0; }
  .split-grid { grid-template-columns: 1fr; gap: 40px; }
}

@media (max-width: 900px) {
  .dock-links { gap: 8px; }
  .dock-links a { font-size: 13px; padding: 5px 10px; }
  .logo-text { font-size: 15px; }
}

@media (max-width: 768px) {
  .dock-nav {
    top: auto;
    bottom: 16px;
    left: 12px;
    right: 12px;
    transform: none;
    width: auto;
    height: 56px;
    border-radius: 24px;
    background: rgba(19, 38, 47, 0.92);
    border-color: transparent;
    padding: 0 8px 0 12px;
    box-shadow: var(--shadow-lg);
  }
  .dock-logo { display: none; }
  .dock-links { flex: 1; justify-content: space-around; gap: 0; }
  .dock-links a { color: rgba(255, 255, 255, 0.75); padding: 6px 10px; font-size: 12px; font-weight: 500; }
  .dock-links a:hover { color: #fff; }
  .dock-links a.active { background: var(--lime); color: var(--ink); }
  .dock-right .search-btn { background: rgba(255, 255, 255, 0.12); color: #fff; }
  .dock-right .btn-primary { display: none; }
  .search-box { display: none; }

  .hero-title { font-size: 38px; line-height: 1.15; }
  .hero-sub { font-size: 16px; }
  .section-title { font-size: 28px; }
  .section { padding: 48px 0; }
  .cta-band { padding: 40px 24px; border-radius: 16px; }
  .cta-title { font-size: 24px; }
  .cta-actions { flex-direction: column; }
  .cta-actions .btn-primary { width: 100%; }
  .breadcrumb { font-size: 13px; }
}

@media (max-width: 520px) {
  .hero { padding: 140px 0 60px; }
  .hero-title { font-size: 32px; }
  .hero-actions { flex-direction: column; }
  .btn-primary, .btn-ghost { width: 100%; }
  .hero-badge { right: 8px; }
  .container { padding: 0 16px; }
  .split-grid img { aspect-ratio: 16/10; }
}

/* roulang page: article */
:root {
  --pine: #1E4D3C;
  --lime: #C6F24E;
  --paper: #F7F5F0;
  --mist: #E4E9E4;
  --ink: #13262F;
  --stone: #6B7A76;
  --white: #FFFFFF;
  --radius: 16px;
  --shadow: 0 4px 24px rgba(19,38,47,0.06);
  --font-sans: "Noto Sans SC", system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.7;
  padding-top: 96px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input { font-family: inherit; }
a:focus-visible, button:focus-visible, input:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 2px;
}
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ===== Dock 导航 ===== */
.dock-nav {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 100;
  width: min(960px, calc(100% - 40px));
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px 10px 20px;
  background: rgba(247,245,240,0.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(228,233,228,0.9);
  border-radius: 999px;
  transition: box-shadow 0.3s, border-color 0.3s, background 0.3s;
}
.dock-nav.scrolled {
  border-color: rgba(30,77,60,0.16);
  box-shadow: 0 8px 32px rgba(19,38,47,0.12);
}
.dock-logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.logo-badge {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--pine);
  color: var(--lime);
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 18px;
  transition: transform 0.3s;
}
.dock-logo:hover .logo-badge { transform: rotate(5deg); }
.logo-text { font-size: 16px; font-weight: 700; color: var(--ink); white-space: nowrap; }
.logo-text span { font-weight: 400; color: var(--stone); }

.dock-links { display: flex; gap: 4px; align-items: center; }
.dock-links a {
  font-size: 14px;
  color: var(--ink);
  opacity: 0.72;
  padding: 6px 16px;
  border-radius: 999px;
  transition: all 0.2s;
  white-space: nowrap;
}
.dock-links a:hover { opacity: 1; color: var(--pine); }
.dock-links a.active {
  background: var(--pine);
  color: #fff;
  opacity: 1;
  font-weight: 500;
}

.dock-right { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.btn-primary {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--lime);
  color: var(--ink);
  font-size: 14px;
  font-weight: 600;
  padding: 10px 22px;
  border-radius: 999px;
  border: none;
  transition: all 0.25s cubic-bezier(0.4,0,0.2,1);
  white-space: nowrap;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(198,242,78,0.28);
  filter: brightness(1.05);
}
.btn-primary:active { transform: scale(0.98); }
.btn-ghost {
  display: inline-flex; align-items: center;
  border: 1.5px solid var(--pine);
  color: var(--pine);
  background: transparent;
  border-radius: 999px;
  padding: 10px 26px;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.25s;
}
.btn-ghost:hover { background: var(--pine); color: #fff; }
.search-btn {
  width: 38px; height: 38px;
  border-radius: 50%;
  border: 1px solid var(--mist);
  background: rgba(255,255,255,0.6);
  display: flex; align-items: center; justify-content: center;
  color: var(--ink);
  transition: all 0.2s;
}
.search-btn:hover { border-color: var(--pine); color: var(--pine); background: #fff; }
.search-box {
  width: 0;
  overflow: hidden;
  transition: width 0.3s ease;
}
.search-box.open { width: 200px; }
.search-box input {
  width: 100%; height: 38px;
  padding: 0 16px;
  border-radius: 999px;
  border: 1px solid var(--mist);
  background: #fff;
  font-size: 13px;
  outline: none;
  color: var(--ink);
  transition: border-color 0.2s;
}
.search-box input:focus { border-color: var(--pine); }

/* ===== 移动端顶部条 ===== */
.mobile-topbar {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 101;
  height: 64px;
  padding: 0 20px;
  background: rgba(247,245,240,0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(228,233,228,0.8);
  align-items: center;
  justify-content: space-between;
}
.menu-toggle {
  display: flex; flex-direction: column; gap: 5px;
  padding: 10px;
  border-radius: 12px;
}
.menu-toggle span {
  display: block;
  width: 20px; height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: all 0.3s;
}
.menu-toggle.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.menu-toggle.open span:nth-child(2) { opacity: 0; }
.menu-toggle.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ===== 移动端底部 Dock ===== */
.mobile-dock-links {
  display: none;
  align-items: center;
  justify-content: space-around;
  flex: 1;
}
.mobile-dock-links a {
  display: flex; flex-direction: column;
  align-items: center; gap: 2px;
  color: rgba(255,255,255,0.8);
  font-size: 10px;
  padding: 6px 10px;
  border-radius: 12px;
  transition: color 0.2s, background 0.2s;
}
.mobile-dock-links a.active { color: var(--lime); }
.mobile-dock-links a.active svg { color: var(--lime); }
.mobile-dock-links a svg { width: 20px; height: 20px; }
.mobile-cta {
  display: none;
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--lime);
  color: var(--ink);
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 800;
  flex-shrink: 0;
  box-shadow: 0 4px 16px rgba(198,242,78,0.3);
  transition: transform 0.2s;
}
.mobile-cta:hover { transform: scale(1.05); }

@media (max-width: 768px) {
  body { padding-top: 64px; }
  .dock-nav {
    top: auto;
    bottom: calc(16px + env(safe-area-inset-bottom));
    left: 12px; right: 12px;
    transform: none;
    width: auto;
    max-width: none;
    height: 58px;
    padding: 8px 12px;
    background: rgba(19,38,47,0.92);
    border-color: transparent;
    border-radius: 24px;
    box-shadow: 0 8px 32px rgba(19,38,47,0.25);
  }
  .dock-nav .dock-logo,
  .dock-nav .dock-links,
  .dock-nav .dock-right { display: none; }
  .mobile-dock-links, .mobile-cta { display: flex; }
  .dock-nav.scrolled { box-shadow: 0 8px 32px rgba(19,38,47,0.3); }
  .mobile-topbar { display: flex; }
}
@media (min-width: 769px) {
  .mobile-dock-links, .mobile-cta { display: none; }
  .mobile-topbar { display: none; }
}

/* ===== 抽屉菜单 ===== */
.mobile-drawer {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: var(--pine);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease;
}
.mobile-drawer.open { opacity: 1; pointer-events: auto; }
.drawer-links { display: flex; flex-direction: column; align-items: center; gap: 6px; }
.drawer-links a {
  color: rgba(255,255,255,0.92);
  font-size: 26px;
  font-weight: 700;
  padding: 14px 10px;
  letter-spacing: 0.02em;
  transition: color 0.2s, transform 0.2s;
}
.drawer-links a:hover { color: var(--lime); transform: translateX(4px); }
.drawer-links .btn-primary { margin-top: 16px; font-size: 18px; padding: 14px 36px; }
.drawer-search {
  width: 80%;
  max-width: 340px;
  margin-top: 24px;
  position: relative;
}
.drawer-search input {
  width: 100%;
  height: 48px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.2);
  background: rgba(255,255,255,0.1);
  color: #fff;
  padding: 0 20px;
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s;
}
.drawer-search input::placeholder { color: rgba(255,255,255,0.5); }
.drawer-search input:focus { border-color: var(--lime); }
.drawer-close {
  position: absolute;
  top: 20px; right: 20px;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  display: flex; align-items: center; justify-content: center;
  color: #fff;
  font-size: 22px;
  transition: background 0.2s, transform 0.2s;
}
.drawer-close:hover { background: rgba(255,255,255,0.2); transform: rotate(90deg); }

/* ===== 文章页面 ===== */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--stone);
  flex-wrap: wrap;
}
.breadcrumb a { transition: color 0.2s; }
.breadcrumb a:hover { color: var(--pine); }
.breadcrumb .sep { color: rgba(107,122,118,0.4); }

.tag-lime {
  display: inline-flex;
  align-items: center;
  background: rgba(198,242,78,0.15);
  color: var(--ink);
  font-size: 12px;
  padding: 4px 14px;
  border-radius: 999px;
  font-weight: 500;
  letter-spacing: 0.02em;
}

/* 正文排版 */
.article-content {
  font-size: 16px;
  line-height: 1.85;
  color: #2A3A35;
}
.article-content h2 {
  font-size: 26px;
  font-weight: 650;
  margin: 48px 0 20px;
  padding-left: 16px;
  border-left: 4px solid var(--lime);
  color: var(--ink);
  line-height: 1.4;
}
.article-content h3 {
  font-size: 20px;
  font-weight: 600;
  margin: 36px 0 16px;
  color: var(--ink);
}
.article-content p {
  margin-bottom: 24px;
  line-height: 1.85;
}
.article-content strong { font-weight: 600; color: var(--ink); }
.article-content a {
  color: var(--pine);
  font-weight: 500;
  border-bottom: 1px solid rgba(30,77,60,0.3);
  transition: border-color 0.2s;
}
.article-content a:hover { border-color: var(--pine); }
.article-content img {
  border-radius: 12px;
  margin: 32px 0;
  box-shadow: var(--shadow);
}
.article-content blockquote {
  border-left: 3px solid var(--lime);
  background: rgba(228,233,228,0.5);
  padding: 16px 22px;
  border-radius: 0 12px 12px 0;
  margin: 32px 0;
  color: var(--stone);
  font-size: 15px;
}
.article-content ul {
  margin: 16px 0 28px;
  list-style: none;
  padding-left: 0;
}
.article-content ul li {
  padding-left: 28px;
  position: relative;
  line-height: 1.75;
  margin-bottom: 10px;
}
.article-content ul li::before {
  content: '';
  position: absolute;
  left: 4px;
  top: 10px;
  width: 8px;
  height: 8px;
  background: var(--lime);
  transform: rotate(45deg);
}
.article-content ol {
  margin: 16px 0 28px;
  padding-left: 22px;
}
.article-content ol li {
  line-height: 1.75;
  margin-bottom: 10px;
  padding-left: 6px;
}
.article-content hr {
  border: none;
  border-top: 1px solid var(--mist);
  margin: 40px 0;
}
.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 32px 0;
  font-size: 14px;
}
.article-content th {
  background: var(--pine);
  color: #fff;
  padding: 12px 16px;
  text-align: left;
  font-weight: 600;
}
.article-content td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--mist);
  color: #2A3A35;
}
.article-content tr:nth-child(odd) td { background: rgba(228,233,228,0.4); }

/* 分享按钮 */
.icon-btn {
  width: 40px; height: 40px;
  border-radius: 12px;
  border: 1px solid var(--mist);
  background: #fff;
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--ink);
  transition: all 0.25s;
}
.icon-btn:hover {
  background: var(--lime);
  border-color: var(--lime);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(198,242,78,0.3);
}
.icon-btn:active { transform: scale(0.95); }

/* 卡片 */
.card-base {
  background: #fff;
  border: 1px solid var(--mist);
  border-radius: var(--radius);
  padding: 24px;
  transition: all 0.25s cubic-bezier(0.4,0,0.2,1);
}
.card-base:hover {
  border-color: rgba(30,77,60,0.35);
  box-shadow: 0 8px 30px rgba(19,38,47,0.08);
  transform: translateY(-4px);
}

/* 页脚 */
.footer-watermark {
  position: absolute;
  right: 40px;
  bottom: 20px;
  font-size: 220px;
  font-weight: 900;
  color: rgba(198,242,78,0.06);
  line-height: 1;
  pointer-events: none;
  user-select: none;
}

/* 动画 */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Toast */
.toast {
  position: fixed;
  bottom: 100px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--ink);
  color: #fff;
  padding: 12px 28px;
  border-radius: 999px;
  font-size: 14px;
  z-index: 9999;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
  box-shadow: 0 8px 30px rgba(19,38,47,0.25);
}
.toast.show { opacity: 1; }

@media (max-width: 768px) {
  .toast { bottom: 90px; }
}

/* 滚动条 */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(30,77,60,0.25); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(30,77,60,0.4); }

/* 行数截断 */
.line-clamp-2 {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.line-clamp-1 {
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* roulang page: category2 */
:root {
            --pine: #1E4D3C;
            --lime: #C6F24E;
            --paper: #F7F5F0;
            --mist: #E4E9E4;
            --ink: #13262F;
            --slate: #6B7A76;
            --white: #ffffff;
            --radius-lg: 16px;
            --radius-md: 12px;
            --shadow-card: 0 6px 24px rgba(19, 38, 47, 0.05);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "Noto Sans SC", system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
            background: var(--paper);
            color: var(--ink);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }

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

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

        button,
        input {
            font-family: inherit;
            border: none;
            outline: none;
        }

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

        /* ===== Dock 导航 ===== */
        .dock-nav {
            position: fixed;
            top: 16px;
            left: 50%;
            transform: translateX(-50%);
            width: min(960px, calc(100% - 32px));
            height: 60px;
            border-radius: 999px;
            background: rgba(247, 245, 240, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--mist);
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 16px 0 20px;
            z-index: 1000;
            transition: box-shadow 0.3s, border-color 0.3s;
        }

        .dock-nav.scrolled {
            border-color: rgba(30, 77, 60, 0.25);
            box-shadow: 0 12px 40px rgba(19, 38, 47, 0.1);
        }

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

        .logo-badge {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--pine);
            color: var(--lime);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 18px;
            transition: transform 0.3s;
        }

        .dock-logo:hover .logo-badge {
            transform: rotate(5deg);
        }

        .logo-text {
            font-size: 16px;
            font-weight: 700;
            color: var(--ink);
            white-space: nowrap;
        }

        .logo-text span {
            color: var(--slate);
            font-weight: 400;
        }

        .dock-links {
            display: flex;
            align-items: center;
            gap: 24px;
        }

        .dock-links a {
            font-size: 14px;
            color: var(--ink);
            padding: 6px 14px;
            border-radius: 999px;
            transition: background 0.2s, color 0.2s;
        }

        .dock-links a:hover {
            color: var(--pine);
        }

        .dock-links a.active {
            background: var(--pine);
            color: var(--white);
        }

        .dock-right {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .search-box {
            width: 0;
            overflow: hidden;
            transition: width 0.3s;
        }

        .search-box.open {
            width: 200px;
        }

        .search-box input {
            width: 100%;
            height: 36px;
            border-radius: 999px;
            border: 1px solid var(--mist);
            background: var(--white);
            padding: 0 16px;
            font-size: 14px;
            color: var(--ink);
            transition: border-color 0.2s, box-shadow 0.2s;
        }

        .search-box input:focus {
            border-color: var(--pine);
            box-shadow: 0 0 0 3px rgba(198, 242, 78, 0.3);
        }

        .search-btn {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            background: transparent;
            color: var(--ink);
            cursor: pointer;
            transition: background 0.2s, color 0.2s;
        }

        .search-btn:hover {
            background: var(--mist);
            color: var(--pine);
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 40px;
            padding: 0 20px;
            border-radius: 999px;
            background: var(--lime);
            color: var(--ink);
            font-size: 14px;
            font-weight: 500;
            white-space: nowrap;
            transition: transform 0.2s, box-shadow 0.2s, filter 0.2s;
            cursor: pointer;
        }

        .btn-primary:hover {
            filter: brightness(1.05);
            box-shadow: 0 8px 30px rgba(198, 242, 78, 0.25);
            transform: translateY(-2px);
        }

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

        .btn-ghost {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 44px;
            padding: 0 24px;
            border-radius: 999px;
            border: 1.5px solid var(--pine);
            color: var(--pine);
            font-size: 14px;
            font-weight: 500;
            background: transparent;
            transition: background 0.2s, color 0.2s, transform 0.2s;
            cursor: pointer;
        }

        .btn-ghost:hover {
            background: var(--pine);
            color: var(--white);
            transform: translateY(-2px);
        }

        /* ===== Hero ===== */
        .hero-category {
            padding: 160px 0 80px;
            background: var(--paper);
            position: relative;
            overflow: hidden;
        }

        .hero-category::before {
            content: '';
            position: absolute;
            inset: 0;
            background:
                radial-gradient(circle at 85% 15%, rgba(198, 242, 78, 0.12), transparent 40%),
                radial-gradient(circle at 70% 80%, rgba(30, 77, 60, 0.06), transparent 50%);
            pointer-events: none;
        }

        .breadcrumb {
            font-size: 13px;
            color: var(--slate);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .breadcrumb a {
            transition: color 0.2s;
        }

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

        .breadcrumb span {
            color: var(--slate);
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 64px;
            align-items: center;
        }

        .hero-title {
            font-size: 52px;
            font-weight: 700;
            letter-spacing: -0.02em;
            line-height: 1.2;
            color: var(--ink);
            margin-bottom: 16px;
        }

        .hero-divider {
            width: 80px;
            height: 4px;
            background: var(--lime);
            border-radius: 2px;
            margin-bottom: 24px;
        }

        .hero-sub {
            font-size: 18px;
            color: var(--slate);
            line-height: 1.7;
            max-width: 520px;
            margin-bottom: 32px;
        }

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

        .hero-note {
            font-size: 13px;
            color: var(--slate);
            margin-top: 16px;
        }

        .hero-img-wrap {
            position: relative;
        }

        .hero-img-wrap img {
            border-radius: 20px;
            aspect-ratio: 4/3;
            object-fit: cover;
            width: 100%;
            border: 1px solid rgba(30, 77, 60, 0.1);
        }

        .hero-badge {
            position: absolute;
            bottom: 20px;
            left: -16px;
            background: var(--lime);
            color: var(--ink);
            font-size: 14px;
            font-weight: 700;
            padding: 8px 16px;
            border-radius: 12px;
            box-shadow: 0 8px 24px rgba(198, 242, 78, 0.3);
        }

        /* ===== 分类简介 ===== */
        .section-intro {
            padding: 80px 0;
        }

        .eyebrow {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            letter-spacing: 0.12em;
            color: var(--pine);
            font-weight: 600;
            margin-bottom: 16px;
        }

        .eyebrow .num {
            color: var(--lime);
            font-weight: 700;
        }

        .section-title {
            font-size: 36px;
            font-weight: 650;
            letter-spacing: -0.01em;
            line-height: 1.3;
            color: var(--ink);
            margin-bottom: 24px;
        }

        .section-desc {
            font-size: 16px;
            color: var(--slate);
            line-height: 1.8;
            max-width: 640px;
        }

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

        .intro-grid img {
            border-radius: 16px;
            aspect-ratio: 4/3;
            object-fit: cover;
            width: 100%;
        }

        .intro-text p {
            font-size: 16px;
            color: var(--ink);
            line-height: 1.85;
            margin-bottom: 20px;
        }

        .intro-text p strong {
            color: var(--pine);
            font-weight: 600;
        }

        /* ===== 要点列表 ===== */
        .section-points {
            padding: 80px 0;
            background: var(--white);
        }

        .points-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
            margin-top: 40px;
        }

        .point-item {
            display: flex;
            gap: 20px;
            background: var(--paper);
            border: 1px solid var(--mist);
            border-radius: 16px;
            padding: 24px;
            transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
        }

        .point-item:hover {
            border-color: var(--pine);
            box-shadow: var(--shadow-card);
            transform: translateY(-2px);
        }

        .point-num {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--lime);
            color: var(--ink);
            font-size: 13px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .point-content h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--ink);
            margin-bottom: 6px;
        }

        .point-content p {
            font-size: 14px;
            color: var(--slate);
            line-height: 1.7;
            max-width: 600px;
        }

        /* ===== FAQ ===== */
        .section-faq {
            padding: 80px 0;
            background: var(--paper);
        }

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

        .faq-item {
            background: var(--white);
            border: 1px solid var(--mist);
            border-radius: 12px;
            overflow: hidden;
            transition: border-color 0.2s;
        }

        .faq-item:hover {
            border-color: var(--pine);
        }

        .faq-question {
            width: 100%;
            padding: 20px 24px;
            background: transparent;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            text-align: left;
            font-size: 16px;
            font-weight: 600;
            color: var(--ink);
            transition: color 0.2s;
        }

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

        .faq-icon {
            width: 20px;
            height: 20px;
            border-radius: 50%;
            background: var(--mist);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 300;
            color: var(--ink);
            transition: transform 0.3s, background 0.2s;
            flex-shrink: 0;
            margin-left: 20px;
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: var(--lime);
        }

        .faq-answer {
            max-height: 0;
            padding: 0 24px;
            overflow: hidden;
            font-size: 14px;
            color: var(--slate);
            line-height: 1.7;
            transition: max-height 0.35s ease, padding 0.35s ease;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        .faq-item.open {
            border-color: var(--pine);
            border-bottom: 2px solid var(--pine);
        }

        /* ===== CTA ===== */
        .section-cta {
            background: var(--pine);
            padding: 72px 0;
            position: relative;
            overflow: hidden;
        }

        .section-cta::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -40px;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        .section-cta::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: 20%;
            width: 160px;
            height: 160px;
            border-radius: 50%;
            border: 1px solid rgba(198, 242, 78, 0.15);
        }

        .cta-inner {
            position: relative;
            z-index: 1;
            text-align: center;
        }

        .cta-inner h2 {
            font-size: 34px;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }

        .cta-inner p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 32px;
        }

        .cta-buttons {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .cta-note {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 20px;
        }

        /* ===== 页脚 ===== */
        .footer-watermark {
            position: absolute;
            top: -20px;
            right: 40px;
            font-size: 200px;
            font-weight: 800;
            color: var(--lime);
            opacity: 0.06;
            line-height: 1;
            pointer-events: none;
            cursor: pointer;
            user-select: none;
        }

        footer a {
            transition: color 0.2s;
        }

        footer a:hover {
            color: var(--lime) !important;
        }

        /* ===== 动画 ===== */
        .fade-up {
            opacity: 0;
            transform: translateY(24px);
            animation: fadeUp 0.6s cubic-bezier(.4, 0, .2, 1) forwards;
        }

        .fade-up.delay-1 {
            animation-delay: 0.1s;
        }

        .fade-up.delay-2 {
            animation-delay: 0.2s;
        }

        .fade-up.delay-3 {
            animation-delay: 0.3s;
        }

        @keyframes fadeUp {
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* ===== 焦点可见性 ===== */
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--lime);
            outline-offset: 2px;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1023px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 48px;
            }

            .hero-title {
                font-size: 40px;
            }

            .intro-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .dock-links {
                display: none;
            }

            .dock-nav {
                width: calc(100% - 24px);
                top: 10px;
                height: 56px;
            }

            .dock-right .search-box {
                display: none;
            }

            .dock-logo .logo-text {
                font-size: 14px;
            }

            .section-title {
                font-size: 28px;
            }
        }

        @media (max-width: 767px) {
            .hero-category {
                padding: 120px 0 48px;
            }

            .hero-title {
                font-size: 32px;
            }

            .hero-sub {
                font-size: 16px;
            }

            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }

            .btn-primary,
            .btn-ghost {
                width: 100%;
                justify-content: center;
            }

            .hero-badge {
                left: 8px;
                bottom: 12px;
                font-size: 13px;
                padding: 6px 12px;
            }

            .section-intro,
            .section-points,
            .section-faq {
                padding: 56px 0;
            }

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

            .point-item {
                flex-direction: column;
                gap: 12px;
            }

            .point-num {
                width: 32px;
                height: 32px;
                font-size: 13px;
            }

            .cta-inner h2 {
                font-size: 26px;
            }

            .cta-buttons {
                flex-direction: column;
                align-items: stretch;
            }

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

            .footer-watermark {
                font-size: 120px;
                right: 10px;
            }
        }

        @media (max-width: 520px) {
            .dock-nav .btn-primary {
                display: none;
            }

            .dock-nav {
                padding: 0 12px;
            }

            .dock-right {
                gap: 4px;
            }

            .logo-text span {
                display: none;
            }

            .hero-title {
                font-size: 28px;
            }

            .breadcrumb {
                font-size: 12px;
            }
        }

/* roulang page: category3 */
:root {
  --pine: #1E4D3C;
  --lime: #C6F24E;
  --paper: #F7F5F0;
  --mist: #E4E9E4;
  --ink: #13262F;
  --stone: #6B7A76;
  --radius: 16px;
  --shadow-sm: 0 2px 8px rgba(19,38,47,0.06);
  --shadow-md: 0 8px 24px rgba(19,38,47,0.08);
  --shadow-lg: 0 16px 40px rgba(19,38,47,0.12);
}
* { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; }
body {
  font-family: "Noto Sans SC", system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--paper);
  color: var(--ink);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
img { max-width:100%; display:block; }
a { color:inherit; text-decoration:none; }
button { font-family:inherit; cursor:pointer; border:none; background:none; }
input, textarea { font-family:inherit; }
.container { max-width:1200px; margin:0 auto; padding:0 24px; }
.dock-nav {
  position: fixed; top:16px; left:50%; transform:translateX(-50%);
  z-index:100; display:flex; align-items:center; justify-content:space-between;
  width:min(960px, calc(100% - 32px)); height:60px; padding:0 20px;
  background:rgba(247,245,240,0.85); backdrop-filter:blur(12px);
  border:1px solid var(--mist); border-radius:999px;
  transition:box-shadow .3s ease, border-color .3s ease;
}
.dock-nav.scrolled { border-color:rgba(30,77,60,0.2); box-shadow:var(--shadow-md); }
.dock-logo { display:flex; align-items:center; gap:10px; flex-shrink:0; }
.logo-badge {
  width:36px; height:36px; border-radius:50%;
  background:var(--pine); color:var(--lime);
  display:flex; align-items:center; justify-content:center;
  font-size:18px; font-weight:800; transition:transform .3s ease;
}
.dock-logo:hover .logo-badge { transform:rotate(5deg); }
.logo-text { font-size:16px; font-weight:700; color:var(--ink); line-height:1.2; }
.logo-text span { font-weight:400; color:var(--stone); font-size:14px; }
.dock-links { display:flex; align-items:center; gap:24px; }
.dock-links a {
  font-size:14px; font-weight:500; color:var(--ink); padding:6px 14px;
  border-radius:999px; transition:all .2s ease;
}
.dock-links a:hover { color:var(--pine); }
.dock-links a.active { background:var(--pine); color:#fff; }
.dock-right { display:flex; align-items:center; gap:12px; }
.search-box { width:0; overflow:hidden; transition:width .3s ease; }
.search-box.open { width:200px; }
.search-box input {
  width:100%; height:38px; padding:0 14px; border:1px solid var(--mist);
  border-radius:999px; font-size:13px; outline:none; background:#fff;
  transition:border-color .2s, box-shadow .2s;
}
.search-box input:focus { border-color:var(--pine); box-shadow:0 0 0 2px rgba(198,242,78,0.3); }
.search-btn {
  width:38px; height:38px; border-radius:50%; display:flex; align-items:center; justify-content:center;
  color:var(--ink); transition:background .2s, color .2s;
}
.search-btn:hover { background:var(--mist); color:var(--pine); }
.btn-primary {
  display:inline-flex; align-items:center; gap:8px; height:40px; padding:0 24px;
  background:var(--lime); color:var(--ink); font-size:14px; font-weight:600;
  border-radius:999px; transition:all .25s cubic-bezier(.4,0,.2,1);
  white-space:nowrap;
}
.btn-primary:hover { filter:brightness(1.05); box-shadow:0 6px 20px rgba(198,242,78,0.3); transform:translateY(-2px); }
.btn-primary:active { transform:scale(0.98); }
.btn-ghost {
  display:inline-flex; align-items:center; gap:8px; height:40px; padding:0 24px;
  font-size:14px; font-weight:500; color:var(--pine);
  border:1.5px solid var(--pine); border-radius:999px;
  transition:all .25s ease; white-space:nowrap;
}
.btn-ghost:hover { background:var(--pine); color:#fff; }
.eyebrow {
  display:flex; align-items:center; gap:10px;
  font-size:13px; letter-spacing:0.12em; color:var(--pine); font-weight:600;
  margin-bottom:16px;
}
.eyebrow::before { content:""; width:24px; height:2px; background:var(--lime); }
.section-space { padding:80px 0; }
@media (max-width:1023px) { .section-space { padding:64px 0; } }
.card-base {
  background:#fff; border:1px solid var(--mist); border-radius:var(--radius); padding:28px;
  transition:all .25s cubic-bezier(.4,0,.2,1);
}
.card-base:hover { border-color:var(--pine); box-shadow:var(--shadow-md); transform:translateY(-4px); }
.tag-lime {
  display:inline-flex; align-items:center; padding:4px 14px;
  background:rgba(198,242,78,0.15); color:var(--ink);
  font-size:12px; font-weight:600; border-radius:999px;
}
.tag-line {
  display:inline-flex; align-items:center; padding:4px 14px;
  background:transparent; color:var(--pine);
  font-size:12px; font-weight:600; border:1px solid rgba(30,77,60,0.3); border-radius:999px;
}
.dock-mobile { display:none; }
@media (max-width:768px) {
  .dock-nav { display:none; }
  .dock-mobile {
    display:flex; position:fixed; top:12px; left:12px; right:12px; z-index:100;
    height:52px; padding:0 16px; align-items:center; justify-content:space-between;
    background:rgba(247,245,240,0.9); backdrop-filter:blur(12px);
    border:1px solid var(--mist); border-radius:16px;
  }
  .dock-mobile .logo-badge { width:30px; height:30px; font-size:15px; }
  .dock-mobile .logo-text { font-size:14px; }
  .dock-mobile .logo-text span { font-size:12px; }
  .dock-mobile .menu-btn {
    width:38px; height:38px; border-radius:12px; display:flex; align-items:center; justify-content:center;
    background:var(--mist); color:var(--ink);
  }
  .dock-mobile .drawer {
    display:flex; flex-direction:column; position:fixed; inset:0; z-index:200;
    background:var(--pine); padding:80px 32px 32px;
    transform:translateY(-100%); transition:transform .4s cubic-bezier(.4,0,.2,1);
    overflow-y:auto;
  }
  .dock-mobile .drawer.open { transform:translateY(0); }
  .dock-mobile .drawer a {
    font-size:28px; font-weight:700; color:rgba(255,255,255,0.9);
    padding:18px 0; border-bottom:1px solid rgba(255,255,255,0.12);
  }
  .dock-mobile .drawer a.active { color:var(--lime); }
  .dock-mobile .drawer .close-btn {
    position:absolute; top:20px; right:20px; width:40px; height:40px;
    border-radius:50%; background:rgba(255,255,255,0.1); color:#fff;
    display:flex; align-items:center; justify-content:center; font-size:20px;
  }
  .dock-mobile .drawer .drawer-cta {
    margin-top:48px; background:var(--lime); color:var(--ink);
    height:50px; border-radius:999px; display:flex; align-items:center; justify-content:center;
    font-size:16px; font-weight:700;
  }
  .mobile-bottom {
    position:fixed; bottom:12px; left:12px; right:12px; z-index:90;
    height:56px; background:rgba(19,38,47,0.92); backdrop-filter:blur(12px);
    border-radius:24px; display:flex; align-items:center; justify-content:space-around;
    padding:0 12px;
  }
  .mobile-bottom a { display:flex; flex-direction:column; align-items:center; gap:2px; color:rgba(255,255,255,0.6); font-size:11px; }
  .mobile-bottom a.active { color:var(--lime); }
  .mobile-bottom a svg { width:20px; height:20px; }
  .mobile-bottom .mobile-cta {
    width:40px; height:40px; border-radius:50%; background:var(--lime);
    display:flex; align-items:center; justify-content:center; color:var(--ink);
  }
  .mobile-bottom .mobile-cta svg { width:18px; height:18px; }
}
@media (min-width:769px) { .mobile-bottom { display:none; } }
.fade-up {
  opacity:0; transform:translateY(24px);
  transition:opacity .6s ease, transform .6s ease;
}
.fade-up.visible { opacity:1; transform:translateY(0); }
a:focus-visible, button:focus-visible {
  outline:2px solid var(--lime); outline-offset:2px; border-radius:4px;
}
.faq-item {
  background:#fff; border:1px solid var(--mist); border-radius:14px;
  overflow:hidden; transition:border-color .25s ease;
}
.faq-item:hover { border-color:var(--pine); }
.faq-item.open { border-color:var(--pine); }
.faq-question {
  width:100%; display:flex; align-items:center; justify-content:space-between;
  padding:20px 24px; font-size:16px; font-weight:600; color:var(--ink);
  text-align:left; transition:color .2s;
}
.faq-question:hover { color:var(--pine); }
.faq-icon {
  width:28px; height:28px; border-radius:50%; background:var(--mist);
  display:flex; align-items:center; justify-content:center; font-size:16px;
  transition:all .3s ease; flex-shrink:0; color:var(--pine);
}
.faq-item.open .faq-icon { background:var(--lime); transform:rotate(45deg); }
.faq-answer {
  max-height:0; overflow:hidden; transition:max-height .35s ease, padding .35s ease;
  padding:0 24px; font-size:14px; color:var(--stone); line-height:1.75;
}
.faq-item.open .faq-answer { max-height:400px; padding:0 24px 20px; }
.footer-watermark {
  position:absolute; top:-40px; left:10px; font-size:220px; font-weight:900;
  color:var(--lime); opacity:0.06; pointer-events:none; line-height:1; user-select:none;
}
.hero-backpic {
  position:absolute; inset:0; background-image:url('/assets/images/backpic/back-3.png');
  background-size:cover; background-position:center; opacity:0.08; pointer-events:none;
}
@media (max-width:768px) {
  .hero-backpic { opacity:0.05; }
  .mobile-bottom { display:flex; }
  body { padding-bottom:76px; }
}