/* roulang page: index */
:root {
  --bg: #F7F3EC;
  --surface: #FFFFFF;
  --primary: #0E5C4E;
  --primary-dark: #08463C;
  --primary-light: #E3F0EC;
  --accent: #D97744;
  --accent-dark: #C56435;
  --gold: #CFA25C;
  --text: #1F2A26;
  --text-muted: #5F6E68;
  --border: #E7E0D6;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 4px 20px rgba(0,0,0,0.06);
  --shadow-hover: 0 12px 32px rgba(0,0,0,0.10);
  --spacer: 80px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button { cursor: pointer; font-family: inherit; }
input { font-family: inherit; }

.container { max-width: 1200px; margin: 0 auto; padding-left: 24px; padding-right: 24px; }
.section-pad { padding: 80px 0; }
@media (max-width: 768px) {
  .section-pad { padding: 56px 0; }
  .container { padding-left: 16px; padding-right: 16px; }
}

/* 顶部信息条 */
.topbar {
  background: var(--primary-dark);
  color: rgba(255,255,255,0.85);
  font-size: 12px;
  line-height: 1.5;
  height: 36px;
  display: flex;
  align-items: center;
}
.topbar a { color: rgba(255,255,255,0.85); transition: color .2s; }
.topbar a:hover { color: #fff; text-decoration: underline; }

/* 主导航 */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  height: 68px;
  display: flex;
  align-items: center;
}
.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}
.brand-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 700;
  flex-shrink: 0;
}
.brand-name {
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.01em;
  white-space: nowrap;
}
.nav-link {
  position: relative;
  display: inline-block;
  padding: 6px 2px;
  font-size: 15px;
  color: var(--text-muted);
  font-weight: 500;
  transition: color .25s;
}
.nav-link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 3px;
  border-radius: 2px;
  background: var(--primary);
  transition: width .25s ease;
}
.nav-link:hover { color: var(--primary); }
.nav-link:hover::after { width: 100%; }
.nav-link.active { color: var(--primary); }
.nav-link.active::after { width: 100%; }

/* 按钮 */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--accent);
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  padding: 12px 28px;
  border-radius: 999px;
  border: none;
  transition: all .3s ease;
  box-shadow: 0 2px 12px rgba(217,119,68,0.25);
}
.btn-primary:hover {
  background: var(--accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(217,119,68,0.35);
}
.btn-primary:active { transform: translateY(0); }
.btn-primary:focus-visible { outline: 3px solid rgba(217,119,68,0.4); outline-offset: 2px; }
.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  color: var(--primary);
  font-size: 15px;
  font-weight: 600;
  padding: 12px 28px;
  border-radius: 999px;
  border: 1.5px solid var(--primary);
  transition: all .3s ease;
}
.btn-secondary:hover {
  background: var(--primary-light);
  transform: translateY(-2px);
}
.btn-cta-lg {
  padding: 16px 40px;
  font-size: 17px;
}

/* 板块标题 */
.section-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 40px;
}
.section-head .bar {
  width: 4px;
  height: 28px;
  border-radius: 2px;
  background: var(--primary);
  flex-shrink: 0;
}
.section-head .no {
  font-size: 14px;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 1px;
}
.section-head h2 {
  font-size: 36px;
  font-weight: 700;
  color: var(--text);
  line-height: 1.3;
  letter-spacing: -0.01em;
}
@media (max-width: 768px) {
  .section-head h2 { font-size: 26px; }
}

/* Hero 竖屏卡 */
.hero-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 3 / 4;
  max-width: 380px;
  box-shadow: var(--shadow-hover);
}
.hero-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(8,70,60,0.85) 0%, rgba(8,70,60,0.1) 50%, rgba(0,0,0,0.15) 100%);
}
.hero-card .content {
  position: absolute;
  z-index: 2;
  left: 20px;
  right: 20px;
  bottom: 20px;
  color: #fff;
}
.play-btn {
  position: absolute;
  z-index: 2;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
  transition: all .25s ease;
}
.play-btn:hover {
  background: var(--accent);
  transform: translate(-50%, -50%) scale(1.05);
}
.badge-chip {
  position: absolute;
  z-index: 2;
  top: 16px;
  right: 16px;
  background: rgba(0,0,0,0.65);
  color: #fff;
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 999px;
  backdrop-filter: blur(4px);
}

/* 爆款卡片 */
.v-card {
  background: var(--surface);
  border-radius: 16px;
  border: 1px solid var(--border);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: all .3s ease;
  display: block;
}
.v-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}
.v-card .thumb {
  position: relative;
  aspect-ratio: 3 / 4;
  overflow: hidden;
}
.v-card .thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
}
.v-card:hover .thumb img { transform: scale(1.03); }
.heat-badge {
  position: absolute;
  left: 12px;
  bottom: 12px;
  background: rgba(217,119,68,0.92);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 999px;
}

/* 种草清单 */
.list-row {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px;
  transition: all .25s ease;
}
.list-row:hover {
  background: var(--primary-light);
  border-color: transparent;
}
.list-row .arrow { transition: transform .25s ease; color: var(--accent); }
.list-row:hover .arrow { transform: translateX(4px); }

/* 口碑卡 */
.review-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px;
  box-shadow: var(--shadow);
  transition: all .3s ease;
}
.review-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}
.avatar-round {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  flex-shrink: 0;
}

/* 口碑横滑 */
.scroll-row {
  display: flex;
  gap: 24px;
  overflow-x: auto;
  padding-bottom: 16px;
  scrollbar-width: thin;
  scrollbar-color: var(--primary-light) transparent;
}
.scroll-row::-webkit-scrollbar { height: 6px; }
.scroll-row::-webkit-scrollbar-track { background: transparent; }
.scroll-row::-webkit-scrollbar-thumb { background: var(--primary-light); border-radius: 6px; }
.scroll-row .scroll-item { min-width: 280px; flex-shrink: 0; }

/* FAQ */
.faq-item { border-bottom: 1px solid var(--border); }
.faq-item:first-child { border-top: 1px solid var(--border); }
.faq-q {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 8px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  background: transparent;
  border: none;
  width: 100%;
  text-align: left;
  transition: color .2s;
}
.faq-q:hover { color: var(--primary); }
.faq-icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  position: relative;
  transition: transform .3s ease;
  color: var(--primary);
}
.faq-icon::before,
.faq-icon::after {
  content: '';
  position: absolute;
  background: currentColor;
  border-radius: 2px;
}
.faq-icon::before {
  width: 14px;
  height: 2px;
  top: 11px;
  left: 5px;
}
.faq-icon::after {
  width: 2px;
  height: 14px;
  top: 5px;
  left: 11px;
}
.faq-item.open .faq-icon { transform: rotate(45deg); }
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.7;
  padding-left: 8px;
  padding-right: 8px;
}
.faq-item.open .faq-a {
  max-height: 300px;
  padding-bottom: 24px;
}

/* CTA 横幅 */
.cta-banner {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  color: #fff;
  text-align: center;
}
.cta-banner .bg-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.cta-banner::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(8,70,60,0.72);
}
.cta-banner .content { position: relative; z-index: 2; }

/* 页脚 */
.site-footer {
  background: var(--primary-dark);
  color: rgba(255,255,255,0.8);
}
.site-footer h4 {
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 16px;
}
.footer-link {
  display: block;
  color: rgba(255,255,255,0.7);
  font-size: 14px;
  padding: 4px 0;
  transition: all .2s;
}
.footer-link:hover {
  color: var(--gold);
  padding-left: 4px;
}
.subscribe-input {
  height: 44px;
  border-radius: 12px;
  border: 1px solid transparent;
  background: #fff;
  padding: 0 16px;
  font-size: 14px;
  width: 100%;
  transition: border-color .2s, box-shadow .2s;
  outline: none;
}
.subscribe-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(14,92,78,0.15);
}
.subscribe-btn {
  height: 44px;
  border-radius: 12px;
  background: var(--accent);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  padding: 0 24px;
  border: none;
  transition: all .3s;
  white-space: nowrap;
}
.subscribe-btn:hover {
  background: var(--accent-dark);
  box-shadow: 0 4px 16px rgba(217,119,68,0.35);
  transform: translateY(-2px);
}

/* 移动端抽屉 */
.mobile-drawer {
  position: fixed;
  top: 0;
  right: -300px;
  width: 280px;
  height: 100vh;
  background: #fff;
  z-index: 60;
  transition: right .3s ease;
  padding: 24px;
  box-shadow: -8px 0 30px rgba(0,0,0,0.1);
}
.mobile-drawer.open { right: 0; }
.mobile-drawer a {
  display: block;
  font-size: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
  color: var(--text);
  font-weight: 500;
}
.mobile-drawer a.active { color: var(--primary); }
.drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.4);
  z-index: 55;
  opacity: 0;
  visibility: hidden;
  transition: opacity .3s ease;
}
.drawer-overlay.open { opacity: 1; visibility: visible; }

/* 滚动小字索引 */
.tag-strip {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 8px 0;
  scrollbar-width: none;
}
.tag-strip::-webkit-scrollbar { display: none; }
.tag-strip .tag {
  flex-shrink: 0;
  background: rgba(14,92,78,0.08);
  color: var(--primary);
  font-size: 13px;
  padding: 6px 14px;
  border-radius: 999px;
  white-space: nowrap;
  transition: all .2s;
}
.tag-strip .tag:hover { background: var(--primary); color: #fff; }

/* 数据统计 */
.stat-num {
  font-size: 32px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.2;
}
@media (max-width: 768px) {
  .stat-num { font-size: 24px; }
}

/* 通用 hover 提升 */
img { user-select: none; }

/* roulang page: category1 */
:root {
      --bg: #F7F3EC;
      --card: #FFFFFF;
      --primary: #0E5C4E;
      --primary-dark: #08463C;
      --primary-light: #E3F0EC;
      --accent: #D97744;
      --accent-dark: #C56435;
      --gold: #CFA25C;
      --ink: #1F2A26;
      --muted: #5F6E68;
      --line: #E7E0D6;
      --danger: #E5484D;
      --radius-lg: 18px;
      --radius-md: 12px;
      --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.06);
      --shadow-hover: 0 12px 32px rgba(0, 0, 0, 0.1);
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
      background: var(--bg);
      color: var(--ink);
      line-height: 1.75;
      font-size: 16px;
      -webkit-font-smoothing: antialiased;
    }

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

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

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

    input {
      font-family: inherit;
    }

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

    /* 顶部信息条 */
    .topbar {
      background: var(--primary-dark);
      color: rgba(255, 255, 255, 0.85);
      font-size: 12px;
      line-height: 1.5;
      padding: 8px 0;
    }

    .topbar a {
      color: rgba(255, 255, 255, 0.85);
      margin-left: 16px;
    }

    .topbar a:hover {
      color: #fff;
      text-decoration: underline;
    }

    /* 主导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      background: var(--bg);
      border-bottom: 1px solid var(--line);
      height: 68px;
      display: flex;
      align-items: center;
    }

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

    .brand-icon {
      width: 40px;
      height: 40px;
      border-radius: 10px;
      background: var(--primary);
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 20px;
      font-weight: 700;
    }

    .brand-text {
      font-size: 20px;
      font-weight: 700;
      letter-spacing: -0.01em;
      color: var(--ink);
      white-space: nowrap;
    }

    .nav-link {
      position: relative;
      font-size: 15px;
      font-weight: 500;
      color: var(--ink);
      padding: 8px 4px;
      transition: color .2s ease;
    }

    .nav-link::after {
      content: '';
      position: absolute;
      left: 0;
      bottom: -2px;
      width: 0;
      height: 3px;
      background: var(--primary);
      border-radius: 3px;
      transition: width .25s ease;
    }

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

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

    .nav-link.active {
      color: var(--primary);
      font-weight: 600;
    }

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

    /* 按钮 */
    .btn-primary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      background: var(--accent);
      color: #fff;
      font-size: 15px;
      font-weight: 600;
      padding: 12px 24px;
      border-radius: 999px;
      border: none;
      transition: all .25s ease;
      box-shadow: 0 4px 14px rgba(217, 119, 68, 0.3);
    }

    .btn-primary:hover {
      background: var(--accent-dark);
      transform: translateY(-2px);
      box-shadow: 0 8px 30px rgba(197, 100, 53, 0.35);
    }

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

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

    .btn-outline {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      background: transparent;
      color: var(--primary);
      font-size: 15px;
      font-weight: 600;
      padding: 12px 24px;
      border-radius: 999px;
      border: 1.5px solid var(--primary);
      transition: all .25s ease;
    }

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

    /* 汉堡菜单 */
    .menu-toggle {
      width: 44px;
      height: 44px;
      display: flex;
      align-items: center;
      justify-content: center;
      background: transparent;
      border: 1px solid var(--line);
      border-radius: 10px;
      color: var(--ink);
    }

    .mobile-menu {
      display: none;
      position: fixed;
      top: 68px;
      left: 0;
      right: 0;
      background: #fff;
      border-bottom: 1px solid var(--line);
      padding: 16px 24px 24px;
      box-shadow: 0 12px 24px rgba(0, 0, 0, 0.08);
      z-index: 49;
    }

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

    .mobile-menu a {
      display: block;
      padding: 14px 0;
      font-size: 16px;
      font-weight: 500;
      color: var(--ink);
      border-bottom: 1px solid var(--line);
    }

    .mobile-menu a:last-child {
      border-bottom: none;
    }

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

    /* Hero */
    .hero {
      padding: 80px 0 60px;
      position: relative;
      background:
        linear-gradient(120deg, rgba(14, 92, 78, 0.04), rgba(215, 119, 68, 0.04)),
        var(--bg);
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: var(--primary-light);
      color: var(--primary);
      font-size: 13px;
      font-weight: 600;
      padding: 6px 14px;
      border-radius: 999px;
      margin-bottom: 20px;
    }

    .hero h1 {
      font-size: 52px;
      line-height: 1.2;
      font-weight: 700;
      letter-spacing: -0.01em;
      color: var(--ink);
      margin-bottom: 16px;
    }

    .hero-sub {
      font-size: 18px;
      color: var(--muted);
      margin-bottom: 32px;
      max-width: 480px;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      margin-bottom: 32px;
    }

    .hero-scroll {
      font-size: 13px;
      color: var(--muted);
      letter-spacing: 0.02em;
      display: flex;
      gap: 16px;
      flex-wrap: wrap;
    }

    .hero-card {
      position: relative;
      border-radius: 20px;
      aspect-ratio: 3 / 4;
      max-width: 380px;
      margin-left: auto;
      overflow: hidden;
      box-shadow: 0 16px 40px rgba(0, 0, 0, 0.18);
      width: 100%;
    }

    .hero-card-overlay {
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, rgba(8, 70, 60, 0.1) 0%, rgba(8, 70, 60, 0.65) 100%);
    }

    .play-btn {
      position: absolute;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
      width: 56px;
      height: 56px;
      border-radius: 50%;
      background: rgba(14, 92, 78, 0.9);
      border: 2px solid rgba(255, 255, 255, 0.8);
      color: #fff;
      font-size: 20px;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: all .25s ease;
      z-index: 2;
      padding-left: 4px;
    }

    .play-btn:hover {
      background: var(--accent);
      transform: translate(-50%, -50%) scale(1.05);
    }

    .duration-badge {
      position: absolute;
      top: 16px;
      right: 16px;
      background: rgba(0, 0, 0, 0.65);
      color: #fff;
      font-size: 12px;
      padding: 4px 10px;
      border-radius: 999px;
      z-index: 2;
      backdrop-filter: blur(4px);
    }

    .hero-card-content {
      position: absolute;
      left: 20px;
      right: 20px;
      bottom: 20px;
      z-index: 2;
      color: #fff;
    }

    .hero-card-content h3 {
      font-size: 18px;
      font-weight: 600;
      line-height: 1.5;
      margin-bottom: 6px;
    }

    .hero-meta {
      font-size: 13px;
      color: rgba(255, 255, 255, 0.9);
    }

    /* 区块通用 */
    .section {
      padding: 80px 0;
    }

    .section-tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 13px;
      font-weight: 600;
      color: var(--accent);
      background: rgba(217, 119, 68, 0.12);
      padding: 6px 14px;
      border-radius: 999px;
      margin-bottom: 16px;
    }

    .section-head {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      margin-bottom: 40px;
    }

    .section-head h2 {
      font-size: 36px;
      font-weight: 700;
      letter-spacing: -0.01em;
      line-height: 1.3;
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .section-head h2::before {
      content: '';
      width: 4px;
      height: 26px;
      background: var(--primary);
      border-radius: 4px;
      flex-shrink: 0;
    }

    .section-more {
      font-size: 14px;
      color: var(--muted);
      white-space: nowrap;
      transition: color .2s;
    }

    .section-more:hover {
      color: var(--primary);
    }

    /* 内容介绍区 */
    .intro {
      padding: 72px 0 56px;
      text-align: center;
    }

    .intro h2 {
      font-size: 36px;
      font-weight: 700;
      letter-spacing: -0.01em;
      margin-bottom: 16px;
    }

    .intro p {
      font-size: 16px;
      color: var(--muted);
      max-width: 640px;
      margin: 0 auto 12px;
      line-height: 1.8;
    }

    /* 内容卡片（两列错落） */
    .feature-card {
      background: #fff;
      border-radius: var(--radius-lg);
      overflow: hidden;
      border: 1px solid var(--line);
      box-shadow: var(--shadow-card);
      transition: all .3s ease;
      height: 100%;
      display: flex;
      flex-direction: column;
    }

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

    .feature-card .thumb {
      aspect-ratio: 16 / 9;
      overflow: hidden;
      position: relative;
      background: var(--primary-light);
    }

    .feature-card .thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform .4s ease;
    }

    .feature-card:hover .thumb img {
      transform: scale(1.03);
    }

    .feature-card .thumb .badge {
      position: absolute;
      top: 14px;
      left: 14px;
      background: rgba(8, 70, 60, 0.85);
      color: #fff;
      font-size: 12px;
      padding: 4px 10px;
      border-radius: 999px;
      backdrop-filter: blur(4px);
    }

    .feature-card-body {
      padding: 24px;
      display: flex;
      flex-direction: column;
      flex: 1;
    }

    .feature-card-body h3 {
      font-size: 22px;
      font-weight: 600;
      line-height: 1.4;
      margin-bottom: 10px;
      color: var(--ink);
    }

    .feature-card-body p {
      font-size: 14px;
      color: var(--muted);
      line-height: 1.7;
      margin-bottom: 16px;
      flex: 1;
    }

    .feature-card-link {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 14px;
      font-weight: 600;
      color: var(--primary);
    }

    .feature-card-link i {
      transition: transform .25s ease;
    }

    .feature-card-link:hover i {
      transform: translateX(4px);
    }

    /* 场景区 4 列竖卡 */
    .scenario-card {
      background: #fff;
      border: 1px solid var(--line);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-card);
      transition: all .25s ease;
      height: 100%;
    }

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

    .scenario-icon {
      width: 48px;
      height: 48px;
      border-radius: 12px;
      background: var(--primary-light);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 20px;
      margin-bottom: 16px;
    }

    .scenario-card h3 {
      font-size: 18px;
      font-weight: 600;
      margin-bottom: 8px;
    }

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

    /* 种草清单 */
    .checklist-item {
      display: flex;
      gap: 16px;
      align-items: center;
      background: #fff;
      border: 1px solid var(--line);
      border-radius: var(--radius-md);
      padding: 16px;
      transition: all .25s ease;
      margin-bottom: 14px;
    }

    .checklist-item:hover {
      background: var(--primary-light);
      border-color: rgba(14, 92, 78, 0.3);
    }

    .checklist-item .thumb {
      width: 96px;
      height: 96px;
      border-radius: 12px;
      overflow: hidden;
      flex-shrink: 0;
    }

    .checklist-item .thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .checklist-item .content {
      flex: 1;
      min-width: 0;
    }

    .checklist-item .content h3 {
      font-size: 16px;
      font-weight: 600;
      margin-bottom: 4px;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .checklist-item .content p {
      font-size: 14px;
      color: var(--muted);
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
      margin-bottom: 8px;
      line-height: 1.5;
    }

    .checklist-tags {
      display: flex;
      gap: 8px;
      align-items: center;
      font-size: 13px;
      color: var(--muted);
    }

    .checklist-tags .tag {
      background: var(--primary-light);
      color: var(--primary);
      padding: 2px 8px;
      border-radius: 999px;
      font-size: 12px;
      font-weight: 500;
    }

    .checklist-item .arrow {
      color: var(--muted);
      font-size: 16px;
      flex-shrink: 0;
      transition: transform .25s ease;
    }

    .checklist-item:hover .arrow {
      transform: translateX(4px);
      color: var(--primary);
    }

    /* 口碑卡 */
    .review-card {
      background: #fff;
      border: 1px solid var(--line);
      border-radius: var(--radius-md);
      padding: 20px;
      box-shadow: var(--shadow-card);
    }

    .review-card .avatar {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: var(--primary);
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 15px;
      font-weight: 600;
      flex-shrink: 0;
    }

    .review-card .stars {
      color: var(--gold);
      font-size: 13px;
      letter-spacing: 2px;
    }

    .review-card .comment {
      font-size: 14px;
      color: var(--ink);
      line-height: 1.6;
      margin-top: 10px;
    }

    .review-card .meta {
      font-size: 12px;
      color: var(--muted);
      margin-top: 10px;
      display: flex;
      align-items: center;
      gap: 6px;
    }

    /* 口碑条 */
    .reviews-scroll {
      display: flex;
      gap: 20px;
      overflow-x: auto;
      padding-bottom: 16px;
      scrollbar-width: thin;
      scrollbar-color: #B9D4CC transparent;
    }

    .reviews-scroll::-webkit-scrollbar {
      height: 6px;
    }

    .reviews-scroll::-webkit-scrollbar-thumb {
      background: #B9D4CC;
      border-radius: 99px;
    }

    .reviews-scroll .review-card {
      min-width: 300px;
      flex-shrink: 0;
    }

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

    .faq-item {
      border-bottom: 1px solid var(--line);
    }

    .faq-item:first-child {
      border-top: 1px solid var(--line);
    }

    .faq-question {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      width: 100%;
      background: transparent;
      border: none;
      padding: 24px 0;
      font-size: 16px;
      font-weight: 600;
      color: var(--ink);
      text-align: left;
      transition: color .2s;
    }

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

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

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

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height .35s ease, opacity .3s ease;
      opacity: 0;
      font-size: 15px;
      color: var(--muted);
      line-height: 1.8;
    }

    .faq-item.active .faq-answer {
      max-height: 400px;
      opacity: 1;
      padding-bottom: 24px;
    }

    /* CTA */
    .cta-banner {
      position: relative;
      padding: 72px 0;
      background-size: cover;
      background-position: center;
      margin: 80px 0 0;
    }

    .cta-banner::before {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, rgba(8, 70, 60, 0.9), rgba(8, 70, 60, 0.75));
    }

    .cta-banner .container {
      position: relative;
      z-index: 1;
      text-align: center;
      color: #fff;
    }

    .cta-banner h2 {
      font-size: 28px;
      font-weight: 700;
      margin-bottom: 12px;
      letter-spacing: -0.01em;
    }

    .cta-banner p {
      font-size: 16px;
      color: rgba(255, 255, 255, 0.85);
      max-width: 480px;
      margin: 0 auto 28px;
    }

    /* 页脚 */
    .site-footer {
      background: var(--primary-dark);
      color: rgba(255, 255, 255, 0.8);
    }

    .site-footer h4 {
      color: #fff;
      font-size: 16px;
      font-weight: 600;
      margin-bottom: 16px;
    }

    .footer-link {
      display: block;
      font-size: 14px;
      color: rgba(255, 255, 255, 0.7);
      padding: 5px 0;
      transition: color .2s;
    }

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

    .subscribe-input {
      flex: 1;
      height: 44px;
      background: #fff;
      border: 1px solid transparent;
      border-radius: 12px;
      padding: 0 16px;
      font-size: 14px;
      color: var(--ink);
      outline: none;
      transition: all .2s;
    }

    .subscribe-input:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 2px rgba(14, 92, 78, 0.15);
    }

    .subscribe-btn {
      height: 44px;
      background: var(--accent);
      color: #fff;
      border: none;
      border-radius: 12px;
      padding: 0 20px;
      font-size: 14px;
      font-weight: 600;
      transition: all .25s;
    }

    .subscribe-btn:hover {
      background: var(--accent-dark);
    }

    /* 响应式 */
    @media (max-width: 1024px) {
      .nav-menu {
        display: none;
      }

      .menu-toggle {
        display: flex !important;
      }

      .hero h1 {
        font-size: 40px;
      }

      .section {
        padding: 60px 0;
      }

      .hero-card {
        max-width: 340px;
      }
    }

    @media (max-width: 640px) {
      .container {
        padding-left: 16px;
        padding-right: 16px;
      }

      .topbar .topbar-right span,
      .topbar .topbar-site-text {
        display: none;
      }

      .hero {
        padding: 48px 0 40px;
      }

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

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

      .hero-card {
        max-width: 100%;
        margin-top: 32px;
      }

      .section-head {
        margin-bottom: 24px;
      }

      .section-head h2 {
        font-size: 26px;
      }

      .intro h2 {
        font-size: 26px;
      }

      .checklist-item {
        flex-direction: row;
        padding: 14px;
      }

      .checklist-item .thumb {
        width: 80px;
        height: 80px;
      }

      .cta-banner {
        padding: 56px 0;
      }

      .cta-banner h2 {
        font-size: 24px;
      }

      .site-footer .grid {
        gap: 24px;
      }
    }

/* roulang page: article */
:root {
    --paper: #F7F3EC;
    --white: #FFFFFF;
    --brand: #0E5C4E;
    --brand-dark: #08463C;
    --brand-light: #E3F0EC;
    --action: #D97744;
    --action-dark: #C56435;
    --gold: #CFA25C;
    --ink: #1F2A26;
    --muted: #5F6E68;
    --line: #E7E0D6;
    --danger: #E5484D;
    --radius-lg: 20px;
    --radius-md: 12px;
    --radius-full: 999px;
    --shadow-card: 0 4px 20px rgba(0,0,0,0.06);
    --shadow-hover: 0 12px 32px rgba(0,0,0,0.1);
  }

  * { box-sizing: border-box; margin: 0; padding: 0; }
  html { scroll-behavior: smooth; }
  body {
    background: var(--paper);
    color: var(--ink);
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
  }
  img { max-width: 100%; display: block; }
  a { text-decoration: none; color: inherit; }
  button { cursor: pointer; border: none; background: none; }
  input { outline: none; }

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

  /* ===== 顶部信息条 ===== */
  .topbar { background: var(--brand-dark); color: rgba(255,255,255,0.75); }
  .topbar-link { color: rgba(255,255,255,0.85); transition: color .2s; font-size: 12px; }
  .topbar-link:hover { color: #fff; text-decoration: underline; text-underline-offset: 4px; }

  /* ===== 主导航 ===== */
  .site-header {
    position: sticky; top: 0; z-index: 50;
    background: var(--paper);
    border-bottom: 1px solid var(--line);
  }
  .brand-icon {
    width: 40px; height: 40px; border-radius: 10px;
    background: var(--brand); color: #fff;
    display: inline-flex; align-items: center; justify-content: center;
    font-size: 20px; font-weight: 700; flex-shrink: 0;
  }
  .nav-link {
    position: relative; font-size: 15px; font-weight: 500;
    color: var(--ink); padding: 8px 2px; transition: color .2s;
  }
  .nav-link::after {
    content: ''; position: absolute; left: 0; bottom: -2px;
    height: 3px; width: 0; background: var(--brand);
    border-radius: 3px; transition: width .25s;
  }
  .nav-link:hover { color: var(--brand); }
  .nav-link:hover::after { width: 100%; }
  .nav-link.active { color: var(--brand); font-weight: 600; }
  .nav-link.active::after { width: 100%; }

  .btn-action {
    display: inline-flex; align-items: center; gap: 8px;
    background: var(--action); color: #fff;
    padding: 10px 24px; border-radius: var(--radius-full);
    font-size: 14px; font-weight: 600;
    transition: all .25s ease;
  }
  .btn-action:hover {
    background: var(--action-dark);
    box-shadow: 0 8px 30px rgba(217,119,68,.35);
    transform: translateY(-2px);
  }
  .btn-action-secondary {
    display: inline-flex; align-items: center; gap: 8px;
    background: transparent; color: var(--brand);
    border: 1.5px solid var(--brand);
    padding: 10px 24px; border-radius: var(--radius-full);
    font-size: 14px; font-weight: 600;
    transition: all .25s ease;
  }
  .btn-action-secondary:hover { background: var(--brand); color: #fff; }
  .btn-action-large {
    display: inline-flex; align-items: center; gap: 10px;
    background: var(--action); color: #fff;
    padding: 16px 40px; font-size: 16px; font-weight: 600;
    border-radius: var(--radius-full);
    transition: all .25s ease;
    box-shadow: 0 4px 16px rgba(217,119,68,.3);
  }
  .btn-action-large:hover {
    background: var(--action-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(217,119,68,.4);
  }

  .hamburger { display: flex; flex-direction: column; gap: 5px; padding: 10px; }
  .hamburger span { width: 22px; height: 2px; background: var(--ink); border-radius: 2px; transition: all .25s; }
  .mobile-menu { display: none; flex-direction: column; background: #fff; border-top: 1px solid var(--line); padding: 8px 24px 16px; }
  .mobile-menu.open { display: flex; }
  .mobile-link {
    padding: 14px 0; font-size: 16px; font-weight: 500;
    color: var(--ink); border-bottom: 1px solid var(--line);
  }
  .mobile-link:hover { color: var(--brand); }
  .mobile-cta {
    margin-top: 14px; background: var(--action); color: #fff;
    text-align: center; padding: 12px; border-radius: var(--radius-full);
    font-weight: 600; transition: background .2s;
  }
  .mobile-cta:hover { background: var(--action-dark); }

  /* ===== 面包屑 ===== */
  .breadcrumb { padding: 20px 0 8px; font-size: 14px; color: var(--muted); }
  .breadcrumb a { color: var(--muted); transition: color .2s; }
  .breadcrumb a:hover { color: var(--brand); }

  /* ===== 文章区 ===== */
  .article-title {
    font-size: 36px; line-height: 1.25; font-weight: 700;
    color: var(--ink); letter-spacing: -0.01em; font-family: inherit;
  }
  .article-meta {
    display: flex; align-items: center; gap: 12px;
    font-size: 14px; color: var(--muted); margin-top: 16px; flex-wrap: wrap;
  }
  .badge-category {
    display: inline-block; background: var(--brand-light);
    color: var(--brand); font-size: 12px; font-weight: 600;
    padding: 6px 14px; border-radius: var(--radius-full);
    margin-bottom: 14px;
  }

  .article-body {
    font-family: "Songti SC", "STSong", SimSun, serif;
    font-size: 17px; line-height: 1.9; color: var(--ink);
    word-break: break-word;
  }
  .article-body p { margin: 1.5em 0; }
  .article-body h2 {
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
    font-size: 23px; font-weight: 700; margin: 2em 0 .8em; color: var(--ink);
  }
  .article-body h3 {
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
    font-size: 19px; font-weight: 700; margin: 1.8em 0 .6em; color: var(--ink);
  }
  .article-body blockquote {
    border-left: 4px solid var(--brand); background: var(--brand-light);
    padding: 18px 22px; border-radius: 0 var(--radius-md) var(--radius-md) 0;
    margin: 1.6em 0; color: var(--muted); font-size: 16px;
  }
  .article-body blockquote p { margin: .4em 0; }
  .article-body img { border-radius: var(--radius-lg); margin: 1.6em 0; box-shadow: var(--shadow-card); }
  .article-body ul, .article-body ol { margin: 1.6em 0; padding-left: 1.4em; }
  .article-body li { margin: .4em 0; }
  .article-body a { color: var(--brand); text-decoration: underline; text-underline-offset: 4px; transition: color .2s; }
  .article-body a:hover { color: var(--action); }

  /* ===== 标签 ===== */
  .tag-chip {
    display: inline-block; font-size: 13px; font-weight: 500;
    color: var(--brand); background: var(--brand-light);
    padding: 6px 14px; border-radius: var(--radius-full);
    transition: all .2s;
  }
  .tag-chip:hover { background: var(--brand); color: #fff; }

  /* ===== 相关卡片 ===== */
  .rel-card {
    display: block; background: #fff; border: 1px solid var(--line);
    border-radius: var(--radius-lg); overflow: hidden;
    box-shadow: var(--shadow-card); transition: all .3s ease;
  }
  .rel-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-2px); }
  .rel-cover { aspect-ratio: 16/9; overflow: hidden; background: var(--brand-light); }
  .rel-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
  .rel-card:hover .rel-cover img { transform: scale(1.03); }

  .section-bar { width: 4px; height: 24px; background: var(--brand); border-radius: 4px; display: inline-block; }

  /* ===== CTA 横幅 ===== */
  .cta-banner { position: relative; background-size: cover; background-position: center; }
  .cta-mask { position: absolute; inset: 0; background: rgba(8,70,60,.82); }
  .cta-banner h2 { font-size: 30px; }
  @media (max-width: 768px) { .cta-banner h2 { font-size: 22px; } }

  /* ===== 页脚 ===== */
  .site-footer { background: var(--brand-dark); color: rgba(255,255,255,.8); }
  .site-footer h4 { font-size: 16px; font-weight: 600; color: #fff; margin-bottom: 16px; }
  .footer-link {
    display: block; font-size: 14px; color: rgba(255,255,255,.65);
    padding: 4px 0; transition: all .2s;
  }
  .footer-link:hover { color: var(--gold); padding-left: 4px; }
  .subscribe-input {
    flex: 1; height: 44px; background: #fff;
    border: 1px solid transparent; border-radius: var(--radius-md);
    padding: 0 16px; font-size: 14px; color: var(--ink);
    min-width: 0;
  }
  .subscribe-input:focus { border-color: var(--brand); box-shadow: 0 0 0 2px rgba(14,92,78,.15); }
  .subscribe-btn {
    height: 44px; padding: 0 22px; background: var(--action);
    color: #fff; border-radius: var(--radius-md);
    font-size: 14px; font-weight: 600; transition: all .2s;
    white-space: nowrap;
  }
  .subscribe-btn:hover { background: var(--action-dark); }

  .back-link {
    display: inline-flex; align-items: center; gap: 6px;
    color: var(--brand); font-size: 15px; font-weight: 600;
    transition: color .2s;
  }
  .back-link:hover { color: var(--action); }

  /* ===== 响应式 ===== */
  @media (max-width: 768px) {
    .article-title { font-size: 28px; }
    .article-body { font-size: 16px; line-height: 1.85; }
    .container { padding: 0 16px; }
  }
  @media (max-width: 640px) {
    .article-title { font-size: 26px; }
    .article-body { font-size: 15.5px; line-height: 1.8; }
  }