/* roulang page: index */
:root {
  --primary: #1F5E4E;
  --primary-dark: #143D32;
  --primary-light: #E8F2EE;
  --accent: #C89B3C;
  --accent-dark: #A67F2B;
  --bg: #FAF8F4;
  --text: #232A27;
  --text-secondary: #5A6B66;
  --border: #E4E0D8;
  --positive: #2E7D5E;
  --negative: #B4553D;
  --card-radius: 12px;
  --btn-radius: 8px;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
  --shadow-md: 0 8px 24px rgba(0,0,0,0.10);
  --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --font-serif: Georgia, "Times New Roman", serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-sans); font-size: 16px; line-height: 1.8; color: var(--text); background: var(--bg); -webkit-font-smoothing: antialiased; }
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, select, textarea { font-family: inherit; font-size: 15px; }
:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: 80px 0; }
.section-header { margin-bottom: 48px; }
.section-header h2 { font-size: 30px; font-weight: 700; line-height: 1.3; margin-bottom: 12px; letter-spacing: -0.01em; }
.section-header p { font-size: 15px; color: var(--text-secondary); }

/* 顶部导航 */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,0.96); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  height: 72px; display: flex; align-items: center;
  transition: box-shadow 0.3s;
}
.site-header.scrolled { box-shadow: 0 2px 16px rgba(0,0,0,0.06); }
.site-header .container { display: flex; align-items: center; justify-content: space-between; width: 100%; }
.logo { display: flex; align-items: center; gap: 10px; }
.logo-icon {
  width: 36px; height: 36px; border-radius: 10px; background: var(--primary);
  display: flex; align-items: center; justify-content: center; color: #fff; font-weight: 700; font-size: 18px;
  font-family: var(--font-serif); letter-spacing: 0;
}
.logo-text { font-size: 20px; font-weight: 700; color: var(--primary-dark); letter-spacing: -0.01em; }
.logo-text span { color: var(--accent); }
.desktop-nav { display: flex; align-items: center; gap: 32px; }
.desktop-nav a.nav-link {
  font-size: 15px; font-weight: 500; color: var(--text); padding: 8px 2px; position: relative;
  transition: color 0.2s;
}
.desktop-nav a.nav-link:hover { color: var(--primary); }
.desktop-nav a.nav-link.active { color: var(--primary); }
.desktop-nav a.nav-link.active::after {
  content: ''; position: absolute; bottom: -2px; left: 0; right: 0; height: 2px;
  background: var(--accent); border-radius: 2px;
}
.header-cta {
  background: var(--primary); color: #fff !important; border-radius: var(--btn-radius);
  padding: 10px 20px !important; font-size: 14px !important; font-weight: 600 !important;
  transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
}
.header-cta:hover { background: var(--primary-dark); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(31,94,78,0.25); }
.burger-btn { display: none; width: 40px; height: 40px; border-radius: 8px; position: relative; z-index: 210; }
.burger-btn span {
  display: block; width: 20px; height: 2px; background: var(--text); border-radius: 2px;
  margin: 5px auto; transition: transform 0.3s, opacity 0.3s;
}
.burger-btn.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger-btn.open span:nth-child(2) { opacity: 0; }
.burger-btn.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.mobile-drawer {
  position: fixed; top: 0; right: -100%; width: 280px; height: 100vh; background: #fff; z-index: 205;
  box-shadow: -8px 0 30px rgba(0,0,0,0.08); padding: 100px 32px 40px;
  transition: right 0.3s ease; display: flex; flex-direction: column; gap: 8px;
}
.mobile-drawer.open { right: 0; }
.mobile-drawer a {
  font-size: 16px; font-weight: 500; color: var(--text); padding: 14px 0;
  border-bottom: 1px solid #f0ece4; transition: color 0.2s, padding-left 0.2s;
}
.mobile-drawer a:hover { color: var(--primary); padding-left: 8px; }
.mobile-drawer a.active { color: var(--primary); font-weight: 600; }
.drawer-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.35); z-index: 204; opacity: 0; visibility: hidden; transition: opacity 0.3s; }
.drawer-overlay.show { opacity: 1; visibility: visible; }

/* Hero */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex; align-items: center;
  background: linear-gradient(rgba(0,0,0,0.58), rgba(0,0,0,0.62)), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  color: #fff;
  overflow: hidden;
}
.hero .container { position: relative; z-index: 2; padding-top: 56px; padding-bottom: 56px; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(200,155,60,0.15); border: 1px solid rgba(200,155,60,0.4);
  color: #e8d5a0; font-size: 13px; font-weight: 500;
  padding: 6px 16px; border-radius: 999px; margin-bottom: 24px;
}
.hero h1 {
  font-size: 40px; font-weight: 700; line-height: 1.25; margin-bottom: 16px;
  max-width: 700px; letter-spacing: -0.01em;
}
.hero h1 .highlight { color: var(--accent); position: relative; }
.hero-sub {
  font-size: 17px; line-height: 1.7; color: rgba(255,255,255,0.88); max-width: 560px; margin-bottom: 32px;
}
.hero-actions { display: flex; align-items: center; gap: 24px; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  border-radius: var(--btn-radius); font-weight: 600; font-size: 15px;
  padding: 13px 28px; transition: all 0.25s ease; line-height: 1.4;
}
.btn-primary { background: var(--accent); color: #fff; box-shadow: 0 4px 14px rgba(200,155,60,0.3); }
.btn-primary:hover { background: var(--accent-dark); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(200,155,60,0.35); }
.btn-primary:active { transform: scale(0.98); }
.btn-text {
  display: inline-flex; align-items: center; gap: 6px; color: #fff; font-size: 15px; font-weight: 500;
  padding: 8px 4px; transition: color 0.2s;
}
.btn-text .arrow { transition: transform 0.25s; }
.btn-text:hover .arrow { transform: translateX(4px); }
.btn-text:hover { color: var(--accent); }
.hero-metrics {
  display: flex; gap: 32px; margin-top: 56px; padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,0.14); flex-wrap: wrap;
}
.metric-hero { min-width: 120px; }
.metric-hero .num {
  font-family: var(--font-serif); font-size: 36px; font-weight: 700; line-height: 1.2;
  color: var(--accent); display: block; margin-bottom: 4px;
}
.metric-hero .label { font-size: 13px; color: rgba(255,255,255,0.78); }
.hero-corner {
  position: absolute; width: 72px; height: 72px; border: 1px solid rgba(255,255,255,0.2); right: 32px; bottom: 32px;
}
.hero-corner::after {
  content: ''; position: absolute; width: 56px; height: 56px; border: 1px solid rgba(255,255,255,0.12); right: 8px; bottom: 8px;
}

/* 指标看板 */
.metrics-section { background: #F1EEE8; padding: 64px 0; }
.metrics-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.metric-card {
  background: #F8F6F1; border-radius: var(--card-radius); padding: 28px 24px;
  transition: background 0.25s;
}
.metric-card:hover { background: var(--primary-light); }
.metric-card .num {
  font-family: var(--font-serif); font-size: 48px; font-weight: 700; line-height: 1.1;
  color: var(--primary); display: block; margin-bottom: 8px;
}
.metric-card .num small { font-size: 22px; font-weight: 500; }
.metric-card h3 { font-size: 15px; font-weight: 600; margin-bottom: 4px; }
.metric-card p { font-size: 13px; color: var(--text-secondary); }

/* 服务矩阵 */
.services-section { padding: 80px 0; }
.services-grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 24px; }
.service-card-large {
  grid-column: span 6;
  background: var(--primary-light); border-radius: var(--card-radius);
  display: grid; grid-template-columns: 1fr 1fr; overflow: hidden;
  transition: transform 0.3s, box-shadow 0.3s; border: 1px solid transparent;
}
.service-card-large:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.service-card-large .service-img { position: relative; overflow: hidden; }
.service-card-large .service-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s; }
.service-card-large:hover .service-img img { transform: scale(1.03); }
.service-card-large .service-body { padding: 32px 28px; display: flex; flex-direction: column; justify-content: center; }
.service-card-large .service-icon {
  width: 48px; height: 48px; border-radius: 12px; background: var(--primary); color: #fff;
  display: flex; align-items: center; justify-content: center; margin-bottom: 16px;
  transition: background 0.25s, transform 0.25s;
}
.service-card-large:hover .service-icon { background: var(--primary-dark); transform: scale(1.05); }
.service-card-large h3 { font-size: 19px; font-weight: 600; margin-bottom: 8px; }
.service-card-large p { font-size: 14px; line-height: 1.7; color: var(--text-secondary); margin-bottom: 16px; }
.service-link {
  display: inline-flex; align-items: center; gap: 6px; font-size: 14px; font-weight: 600; color: var(--primary);
  transition: gap 0.2s;
}
.service-link .arrow { transition: transform 0.2s; }
.service-link:hover .arrow { transform: translateX(4px); }
.service-card-small {
  grid-column: span 4; background: #fff; border: 1px solid var(--border); border-radius: var(--card-radius);
  padding: 24px; transition: transform 0.25s, box-shadow 0.25s;
}
.service-card-small:hover { transform: translateY(-4px); box-shadow: var(--shadow-sm); }
.service-card-small .small-icon {
  width: 40px; height: 40px; border-radius: 10px; background: var(--primary-light); color: var(--primary);
  display: flex; align-items: center; justify-content: center; margin-bottom: 12px;
  transition: background 0.25s, color 0.25s;
}
.service-card-small:hover .small-icon { background: var(--primary); color: #fff; }
.service-card-small h3 { font-size: 16px; font-weight: 600; margin-bottom: 6px; }
.service-card-small p { font-size: 13px; color: var(--text-secondary); line-height: 1.6; margin-bottom: 12px; }

/* 结果对比 */
.comparison-section { background: #F1EEE8; padding: 80px 0; }
.comparison-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; position: relative; margin-bottom: 40px; }
.comparison-col { border-radius: var(--card-radius); padding: 32px; }
.comparison-col h3 { font-size: 18px; font-weight: 700; margin-bottom: 20px; display: flex; align-items: center; gap: 8px; }
.comparison-col ul li {
  display: flex; align-items: flex-start; gap: 10px; margin-bottom: 14px;
  font-size: 14px; line-height: 1.6;
}
.comparison-col ul li:last-child { margin-bottom: 0; }
.comparison-col .icon { flex-shrink: 0; margin-top: 3px; display: flex; align-items: center; justify-content: center; width: 20px; height: 20px; border-radius: 50%; }
.comparison-traditional { background: #F5F3EE; color: var(--text-secondary); }
.comparison-traditional h3 { color: var(--text); }
.comparison-traditional .icon { background: rgba(180,85,61,0.12); color: var(--negative); }
.comparison-zoty { background: var(--primary); color: rgba(255,255,255,0.9); }
.comparison-zoty h3 { color: #fff; }
.comparison-zoty .icon { background: rgba(200,155,60,0.2); color: var(--accent); }
.vs-badge {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  width: 52px; height: 52px; border-radius: 50%; background: #fff; color: var(--primary);
  display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 14px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.12); border: 2px solid var(--border);
}
.comparison-conclusion {
  text-align: center; font-size: 16px; color: var(--text); margin-bottom: 32px; max-width: 560px; margin-left: auto; margin-right: auto;
}
.comparison-cta { text-align: center; }

/* 资讯 */
.news-section { padding: 80px 0; }
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.news-card {
  background: #fff; border-radius: var(--card-radius); overflow: hidden;
  border: 1px solid var(--border); transition: transform 0.25s, box-shadow 0.25s;
}
.news-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-sm); }
.news-card-link { display: block; height: 100%; }
.news-card .news-cover { aspect-ratio: 16/9; overflow: hidden; position: relative; }
.news-card .news-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.35s; }
.news-card:hover .news-cover img { transform: scale(1.03); }
.news-tag {
  display: inline-block; background: var(--primary-light); color: var(--primary);
  font-size: 12px; font-weight: 500; padding: 3px 12px; border-radius: 999px; margin-bottom: 10px;
}
.news-card .news-body { padding: 20px 20px 22px; }
.news-card h3 { font-size: 15px; font-weight: 600; line-height: 1.4; margin-bottom: 8px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.news-card p { font-size: 13px; color: var(--text-secondary); line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; margin-bottom: 12px; }
.news-meta { display: flex; align-items: center; justify-content: space-between; }
.news-meta time { font-size: 12px; color: #9AA5A0; }
.news-more { font-size: 13px; color: var(--primary); font-weight: 500; }
.news-empty {
  text-align: center; padding: 60px 24px; background: #fff; border-radius: var(--card-radius);
  border: 1px dashed var(--border);
}
.news-empty svg { width: 48px; height: 48px; color: #C9D1CD; margin-bottom: 12px; }
.news-empty p { color: var(--text-secondary); font-size: 14px; }

/* FAQ */
.faq-section { padding: 80px 0; background: #fff; }
.faq-list { max-width: 840px; margin: 0 auto; }
.faq-item { border-top: 1px solid var(--border); }
.faq-item:last-child { border-bottom: 1px solid var(--border); }
.faq-question {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  font-size: 16px; font-weight: 600; color: var(--text); padding: 20px 4px;
  cursor: pointer; text-align: left; width: 100%; background: none; border: none; transition: color 0.2s;
}
.faq-question:hover { color: var(--primary); }
.faq-item .plus { font-size: 22px; font-weight: 300; color: var(--primary); transition: transform 0.3s; flex-shrink: 0; line-height: 1; }
.faq-item.active .plus { transform: rotate(45deg); }
.faq-answer {
  max-height: 0; overflow: hidden; transition: max-height 0.35s ease, padding 0.3s ease;
  font-size: 14px; line-height: 1.8; color: var(--text-secondary); padding: 0 4px;
}
.faq-item.active .faq-answer { max-height: 300px; padding: 0 4px 20px; }

/* 转化表单 */
.form-section { background: var(--primary-dark); padding: 80px 0; position: relative; }
.form-wrapper {
  display: grid; grid-template-columns: 1fr 1.4fr; gap: 48px; align-items: center;
  background: #fff; border-radius: 16px; overflow: hidden; box-shadow: 0 12px 40px rgba(0,0,0,0.15);
}
.form-intro { padding: 40px 32px; }
.form-intro h2 { font-size: 26px; font-weight: 700; color: var(--primary-dark); margin-bottom: 12px; }
.form-intro p { font-size: 14px; color: var(--text-secondary); margin-bottom: 20px; }
.form-contact-list { list-style: none; }
.form-contact-list li { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; font-size: 14px; color: var(--text); }
.form-contact-list .icon {
  width: 36px; height: 36px; border-radius: 50%; background: var(--primary-light); color: var(--primary);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.form-panel { padding: 40px 32px; background: #faf8f4; }
.form-panel h3 { font-size: 18px; font-weight: 600; margin-bottom: 6px; color: var(--text); }
.form-panel .form-desc { font-size: 13px; color: var(--text-secondary); margin-bottom: 24px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { display: flex; flex-direction: column; }
.form-group.full { grid-column: 1 / -1; }
.form-group label { font-size: 13px; font-weight: 500; color: var(--text); margin-bottom: 6px; }
.form-group input, .form-group select, .form-group textarea {
  height: 44px; border: 1px solid var(--border); border-radius: 8px; padding: 10px 14px;
  background: #fff; color: var(--text); transition: border-color 0.2s, box-shadow 0.2s; width: 100%;
}
.form-group textarea { height: 100px; resize: vertical; line-height: 1.5; }
.form-group input::placeholder, .form-group textarea::placeholder { color: #9AA5A0; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  border-color: var(--primary); outline: none; box-shadow: 0 0 0 3px var(--primary-light);
}
.form-submit {
  grid-column: 1 / -1; display: flex; align-items: center; gap: 16px; margin-top: 8px;
}
.form-submit .btn-submit {
  background: var(--primary); color: #fff; border-radius: var(--btn-radius); font-weight: 600;
  padding: 14px 36px; font-size: 15px; transition: background 0.25s, transform 0.2s;
}
.form-submit .btn-submit:hover { background: var(--primary-dark); transform: translateY(-2px); }
.form-success { font-size: 13px; color: var(--positive); display: none; }

/* 信任条 */
.trust-section { padding: 48px 0; background: var(--bg); border-top: 1px solid var(--border); }
.trust-inner { display: flex; align-items: center; justify-content: center; flex-wrap: wrap; gap: 16px 40px; }
.trust-item { font-size: 13px; color: #98A39E; display: flex; align-items: center; gap: 8px; }
.trust-item .dot { width: 6px; height: 6px; background: var(--accent); border-radius: 50%; display: inline-block; }

/* 页脚 */
.site-footer { background: var(--primary-dark); color: #C8D4CF; padding: 64px 0 24px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1.2fr 1.4fr; gap: 48px; margin-bottom: 40px; }
.footer-brand .logo { margin-bottom: 16px; }
.footer-brand .logo-text { color: #fff; }
.footer-brand p { font-size: 13px; line-height: 1.7; color: #93A49E; }
.footer-col h4 { font-size: 15px; font-weight: 600; color: #fff; margin-bottom: 16px; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { font-size: 14px; color: #C8D4CF; transition: color 0.2s; }
.footer-col ul li a:hover { color: var(--accent); }
.footer-contact li { display: flex; gap: 8px; align-items: flex-start; margin-bottom: 12px; font-size: 14px; line-height: 1.5; }
.footer-contact .icon { color: var(--accent); flex-shrink: 0; }
.footer-subscribe .sub-desc { font-size: 13px; color: #93A49E; margin-bottom: 16px; line-height: 1.6; }
.footer-subscribe form { display: flex; gap: 8px; }
.footer-subscribe input {
  flex: 1; height: 44px; border: 1px solid rgba(255,255,255,0.15); border-radius: 8px;
  background: rgba(255,255,255,0.08); color: #fff; padding: 0 14px; font-size: 14px;
  transition: border-color 0.2s, background 0.2s;
}
.footer-subscribe input::placeholder { color: #8A9B95; }
.footer-subscribe input:focus { border-color: var(--accent); background: rgba(255,255,255,0.12); outline: none; }
.footer-subscribe button {
  background: var(--accent); color: #fff; border-radius: 8px; padding: 0 20px; font-weight: 600;
  font-size: 14px; transition: background 0.2s, transform 0.2s;
}
.footer-subscribe button:hover { background: var(--accent-dark); transform: translateY(-1px); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08); padding-top: 16px;
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 8px;
}
.footer-bottom p { font-size: 12px; color: #7D8E88; }
.footer-bottom .footer-links { display: flex; gap: 16px; }
.footer-bottom .footer-links a { font-size: 12px; color: #7D8E88; transition: color 0.2s; }
.footer-bottom .footer-links a:hover { color: var(--accent); }

/* 移动端底部Tab */
.mobile-tabbar {
  display: none;
  position: fixed; bottom: 0; left: 0; right: 0; height: 64px;
  background: rgba(255,255,255,0.97); border-top: 1px solid var(--border);
  z-index: 300; padding-bottom: env(safe-area-inset-bottom);
  align-items: stretch;
}
.mobile-tabbar .tab-item {
  flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px;
  font-size: 11px; color: var(--text-secondary); transition: color 0.2s;
}
.mobile-tabbar .tab-item svg { width: 22px; height: 22px; stroke: currentColor; fill: none; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.mobile-tabbar .tab-item.active { color: var(--primary); font-weight: 600; }
.mobile-tabbar .tab-item.active svg { fill: var(--accent); stroke: var(--accent); }

/* 响应式 */
@media (max-width: 1023px) {
  .desktop-nav { display: none; }
  .header-cta { display: none; }
  .burger-btn { display: block; }
  .mobile-tabbar { display: flex; }
  main { padding-bottom: 64px; }
  .hero { min-height: 80vh; }
  .hero h1 { font-size: 32px; }
  .metrics-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .services-grid { gap: 16px; }
  .service-card-large { grid-column: span 12; }
  .service-card-small { grid-column: span 4; }
  .comparison-grid { gap: 40px; }
  .vs-badge { display: none; }
  .news-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .form-wrapper { grid-template-columns: 1fr; }
  .form-intro { padding: 32px 28px 0; }
  .form-panel { padding: 28px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 767px) {
  .section { padding: 56px 0; }
  .section-header h2 { font-size: 24px; }
  .container { padding: 0 16px; }
  .hero { min-height: 80vh; }
  .hero h1 { font-size: 28px; }
  .hero-sub { font-size: 15px; }
  .hero-actions { flex-direction: column; align-items: flex-start; gap: 12px; }
  .btn-primary { width: 100%; justify-content: center; }
  .hero-metrics { gap: 24px; margin-top: 32px; }
  .metric-hero { min-width: calc(50% - 12px); }
  .metrics-grid { grid-template-columns: repeat(2, 1fr); }
  .service-card-large { grid-template-columns: 1fr; }
  .service-card-large .service-body { padding: 24px; }
  .service-card-small { grid-column: span 12; }
  .comparison-grid { grid-template-columns: 1fr; gap: 24px; }
  .news-grid { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; gap: 14px; }
  .form-group.full { grid-column: 1; }
  .form-submit { grid-column: 1; flex-direction: column; align-items: stretch; }
  .btn-submit { width: 100%; justify-content: center; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .faq-question { font-size: 15px; }
}

/* roulang page: category1 */
:root{
  --primary:#1F5E4E;
  --primary-dark:#143D32;
  --primary-light:#E8F2EE;
  --accent:#C89B3C;
  --accent-dark:#A67F2B;
  --bg:#FAF8F4;
  --text:#232A27;
  --secondary:#5A6B66;
  --border:#E4E0D8;
  --positive:#2E7D5E;
  --negative:#B4553D;
  --white:#ffffff;
  --shadow-sm:0 2px 8px rgba(0,0,0,0.06);
  --shadow-lg:0 8px 24px rgba(0,0,0,0.10);
  --radius-lg:12px;
  --radius-md:8px;
  --radius-pill:999px;
  --font-sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-serif:Georgia,"Times New Roman",serif;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-sans);
  background:var(--bg);
  color:var(--text);
  line-height:1.7;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--primary);text-decoration:none;transition:color 0.25s ease}
ul,ol{list-style:none}
button,input,select,textarea{font-family:inherit;font-size:inherit}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}
@media (max-width:768px){.container{padding:0 16px}}
h1,h2,h3,h4{line-height:1.3;color:var(--text)}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
::placeholder{color:#9AA5A0}

/* Header */
.site-header{
  position:sticky;top:0;z-index:100;background:rgba(255,255,255,0.96);
  backdrop-filter:blur(8px);border-bottom:1px solid var(--border);height:72px;
  transition:box-shadow 0.3s ease;
}
.site-header.scrolled{box-shadow:var(--shadow-sm)}
.site-header .container{display:flex;align-items:center;justify-content:space-between;height:72px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-icon{
  display:flex;align-items:center;justify-content:center;width:38px;height:38px;
  background:var(--primary);color:#fff;font-size:20px;font-weight:700;border-radius:10px;
  font-family:var(--font-serif);letter-spacing:0.5px;
}
.logo-text{font-size:20px;font-weight:700;color:var(--text);letter-spacing:0.5px}
.logo-text span{color:var(--accent)}
.desktop-nav{display:flex;align-items:center;gap:6px}
.desktop-nav .nav-link{
  padding:8px 16px;font-size:15px;font-weight:500;color:var(--text);border-radius:6px;
  position:relative;transition:color 0.25s ease;
}
.desktop-nav .nav-link:hover{color:var(--primary)}
.desktop-nav .nav-link.active{color:var(--primary);font-weight:600}
.desktop-nav .nav-link.active::after{
  content:"";display:block;height:2px;border-radius:2px;background:var(--accent);
  width:24px;margin:2px auto 0;
}
.header-cta{
  background:var(--primary);color:#fff !important;padding:10px 22px !important;
  border-radius:var(--radius-md);font-weight:600;margin-left:8px;
  transition:background 0.25s ease,transform 0.2s ease;
}
.header-cta:hover{background:var(--primary-dark);transform:translateY(-2px)}
.burger-btn{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px;border-radius:6px}
.burger-btn span{width:24px;height:2px;background:var(--text);border-radius:2px;transition:all 0.3s ease}
.burger-btn.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger-btn.open span:nth-child(2){opacity:0}
.burger-btn.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-menu{
  display:none;position:fixed;top:72px;left:0;right:0;background:#fff;z-index:99;
  border-bottom:1px solid var(--border);padding:12px 0;box-shadow:var(--shadow-lg);
}
.mobile-menu a{
  display:block;padding:14px 24px;font-size:16px;font-weight:500;color:var(--text);border-radius:8px;
}
.mobile-menu a:hover{background:var(--primary-light);color:var(--primary)}
.mobile-menu a.active{color:var(--primary);font-weight:600;background:var(--primary-light)}
.mobile-menu.open{display:block}

/* Page Banner (Hero inside category page) */
.page-banner{
  position:relative;background-color:var(--primary-dark);color:#fff;
  padding:100px 0 80px;overflow:hidden;
}
.page-banner .bg-layers{position:absolute;inset:0;opacity:0.28;background-size:cover;background-position:center}
.page-banner .container{position:relative;z-index:2}
.breadcrumb{font-size:13px;color:rgba(255,255,255,0.65);margin-bottom:28px;display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.breadcrumb a{color:rgba(255,255,255,0.85)}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb span{color:rgba(255,255,255,0.65)}
.breadcrumb .current{color:var(--accent)}
.page-banner h1{font-size:42px;font-weight:700;color:#fff;line-height:1.2;margin-bottom:18px;max-width:820px}
.page-banner h1 .accent{color:var(--accent)}
.banner-sub{font-size:17px;color:rgba(255,255,255,0.85);max-width:680px;line-height:1.8;margin-bottom:0}
@media (max-width:768px){
  .page-banner{padding:60px 0 48px}
  .page-banner h1{font-size:28px}
  .banner-sub{font-size:15px}
}

/* Section base */
.section{padding:80px 0}
.section-alt{background:var(--white)}
.section-head{max-width:760px;margin-bottom:48px}
.section-head h2{font-size:30px;font-weight:700;margin-bottom:12px;position:relative}
.section-head h2::before{content:"";display:inline-block;width:32px;height:4px;border-radius:2px;background:var(--accent);vertical-align:middle;margin-right:12px}
.section-head .sub-title{font-size:15px;color:var(--secondary);line-height:1.8}
@media (max-width:768px){
  .section{padding:56px 0}
  .section-head{margin-bottom:32px}
  .section-head h2{font-size:22px}
}

/* Overview section */
.overview-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.overview-copy p{font-size:16px;color:var(--secondary);line-height:1.9;margin-bottom:20px}
.overview-copy strong{color:var(--text)}
.overview-points{margin-top:24px}
.overview-points li{
  padding:10px 0;border-bottom:1px solid var(--border);display:flex;align-items:flex-start;gap:10px;
  font-size:15px;color:var(--secondary);line-height:1.7;
}
.overview-points li:last-child{border-bottom:none}
.overview-points .check{color:var(--positive);font-weight:700;flex-shrink:0}
.overview-media{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);min-height:340px;background:var(--primary-light)}
.overview-media img{width:100%;height:100%;object-fit:cover;transition:transform 0.5s ease}
.overview-media:hover img{transform:scale(1.03)}
.overview-badge{
  position:absolute;bottom:20px;left:20px;background:rgba(20,61,50,0.88);color:#fff;
  font-size:14px;font-weight:600;padding:10px 18px;border-radius:var(--radius-pill);
  display:flex;align-items:center;gap:8px;backdrop-filter:blur(4px);
}
.overview-badge::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--accent);display:inline-block}
@media (max-width:768px){
  .overview-grid{grid-template-columns:1fr;gap:32px}
  .overview-media{min-height:240px}
}

/* Service details */
.detail-list{display:flex;flex-direction:column;gap:16px}
.detail-item{
  display:grid;grid-template-columns:72px 1fr;gap:20px;background:var(--bg);
  border-radius:var(--radius-lg);padding:28px;border:1px solid transparent;
  transition:all 0.3s ease;
}
.detail-item:hover{border-color:var(--border);box-shadow:var(--shadow-sm);transform:translateY(-3px)}
.detail-icon{
  width:72px;height:72px;border-radius:12px;background:var(--primary-light);display:flex;align-items:center;justify-content:center;flex-shrink:0;
  transition:background 0.3s ease;
}
.detail-item:hover .detail-icon{background:var(--primary)}
.detail-icon svg{width:32px;height:32px;stroke:var(--primary);transition:stroke 0.3s ease}
.detail-item:hover .detail-icon svg{stroke:#fff}
.detail-body h3{font-size:19px;font-weight:600;margin-bottom:10px;color:var(--text)}
.detail-body p{font-size:15px;color:var(--secondary);line-height:1.8}
.detail-body ul{margin-top:12px;display:flex;flex-wrap:wrap;gap:8px}
.detail-body ul li{
  font-size:13px;background:var(--primary-light);color:var(--primary-dark);
  padding:4px 14px;border-radius:var(--radius-pill);font-weight:500;
}
@media (max-width:768px){
  .detail-item{grid-template-columns:56px 1fr;padding:20px;gap:14px}
  .detail-icon{width:56px;height:56px}
  .detail-icon svg{width:26px;height:26px}
  .detail-body h3{font-size:17px}
}

/* Case section */
.cases-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.case-card{
  background:#fff;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--border);
  transition:all 0.3s ease;
}
.case-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px)}
.case-media{height:220px;overflow:hidden;position:relative}
.case-media img{width:100%;height:100%;object-fit:cover;transition:transform 0.5s ease}
.case-card:hover .case-media img{transform:scale(1.05)}
.case-tag{
  position:absolute;top:14px;left:14px;background:rgba(255,255,255,0.92);color:var(--primary);
  font-size:12px;font-weight:600;padding:4px 12px;border-radius:var(--radius-pill);backdrop-filter:blur(4px);
}
.case-body{padding:24px}
.case-body h3{font-size:18px;font-weight:600;margin-bottom:10px;transition:color 0.3s ease}
.case-card:hover h3{color:var(--primary)}
.case-body p{font-size:14px;color:var(--secondary);line-height:1.75;margin-bottom:16px}
.case-meta{font-size:13px;color:var(--secondary);display:flex;align-items:center;gap:14px}
.case-meta .region{color:var(--accent-dark);font-weight:600}
@media (max-width:768px){
  .cases-grid{grid-template-columns:1fr;gap:16px}
}

/* CTA section */
.cta-section{
  background:var(--primary-dark);color:#fff;padding:72px 0;position:relative;overflow:hidden;
}
.cta-section::before{
  content:"";position:absolute;inset:0;background-image:radial-gradient(circle at 80% 20%,rgba(200,155,60,0.15) 0%,transparent 50%);
}
.cta-inner{position:relative;z-index:2;max-width:680px;margin:0 auto;text-align:center}
.cta-inner h2{color:#fff;font-size:30px;font-weight:700;margin-bottom:16px}
.cta-inner p{color:rgba(255,255,255,0.85);font-size:16px;line-height:1.8;margin-bottom:32px}
.cta-btns{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 28px;border-radius:var(--radius-md);font-weight:600;font-size:15px;
  border:none;cursor:pointer;transition:all 0.25s ease;text-align:center;
}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:var(--shadow-sm);color:#fff}
.btn-primary:active{transform:scale(0.98)}
.btn-accent{background:var(--accent);color:var(--primary-dark)}
.btn-accent:hover{background:var(--accent-dark);color:#fff;transform:translateY(-2px)}
.btn-outline{background:transparent;border:1.5px solid var(--accent);color:var(--accent)}
.btn-outline:hover{background:rgba(200,155,60,0.15);color:var(--accent)}
@media (max-width:768px){
  .cta-section{padding:56px 0}
  .cta-inner h2{font-size:24px}
  .cta-btns{flex-direction:column;width:100%}
  .btn{width:100%;min-height:48px}
}

/* Footer */
.site-footer{background:var(--primary-dark);color:#C8D4CF;padding:64px 0 0;border-top:3px solid var(--accent)}
.footer-grid{display:grid;grid-template-columns:1.4fr 0.8fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.footer-brand .logo{margin-bottom:16px}
.footer-brand .logo-text{color:#fff}
.footer-brand .logo-text span{color:var(--accent)}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,0.7);max-width:300px}
.footer-col h4{color:#fff;font-size:16px;font-weight:600;margin-bottom:18px;position:relative;padding-bottom:10px}
.footer-col h4::after{content:"";position:absolute;left:0;bottom:0;width:28px;height:2px;background:var(--accent);border-radius:2px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{color:rgba(255,255,255,0.7);font-size:14px;transition:color 0.25s ease}
.footer-col ul a:hover{color:var(--accent)}
.footer-contact li{font-size:14px;color:rgba(255,255,255,0.75);display:flex;align-items:flex-start;gap:8px;line-height:1.7}
.footer-contact .icon{flex-shrink:0}
.sub-desc{font-size:13px;color:rgba(255,255,255,0.6);margin-bottom:14px}
.footer-subscribe form{display:flex;gap:8px}
.footer-subscribe input{
  flex:1;height:42px;border-radius:var(--radius-md);border:1px solid rgba(255,255,255,0.25);
  background:rgba(255,255,255,0.1);color:#fff;padding:0 14px;font-size:14px;outline:none;
  transition:border-color 0.3s ease;
}
.footer-subscribe input::placeholder{color:rgba(255,255,255,0.45)}
.footer-subscribe input:focus{border-color:var(--accent)}
.footer-subscribe button{
  height:42px;padding:0 20px;background:var(--accent);color:var(--primary-dark);border:none;
  border-radius:var(--radius-md);font-weight:600;font-size:14px;cursor:pointer;transition:background 0.25s ease;
}
.footer-subscribe button:hover{background:var(--accent-dark);color:#fff}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,0.12);padding:22px 0;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;
}
.footer-bottom p{font-size:14px;color:rgba(255,255,255,0.6)}
.footer-links{display:flex;gap:20px}
.footer-links a{font-size:13px;color:rgba(255,255,255,0.55);transition:color 0.25s}
.footer-links a:hover{color:var(--accent)}
@media (max-width:1024px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:768px){
  .site-footer{padding-top:48px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;justify-content:center;text-align:center}
}

/* Mobile bottom tab */
.mobile-tab{display:none;position:fixed;bottom:0;left:0;right:0;height:64px;background:#fff;border-top:1px solid var(--border);z-index:150;padding-bottom:env(safe-area-inset-bottom)}
.mobile-tab ul{display:flex;height:64px}
.mobile-tab li{flex:1;display:flex;align-items:center;justify-content:center}
.mobile-tab a{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;font-size:11px;color:var(--secondary);width:100%;height:64px;transition:color 0.2s ease}
.mobile-tab a svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.mobile-tab a.active{color:var(--primary);font-weight:600}
.mobile-tab a.active svg{fill:var(--accent);stroke:var(--accent)}
@media (max-width:1024px){
  .desktop-nav{display:none}
  .burger-btn{display:flex}
  .mobile-tab{display:block}
  .site-footer{padding-bottom:100px}
  body{padding-bottom:64px}
}
@media (min-width:1025px){
  .mobile-menu{display:none !important}
}

/* Reveal animation */
.reveal{opacity:0;transform:translateY(20px);transition:opacity 0.6s ease,transform 0.6s ease}
.reveal.visible{opacity:1;transform:translateY(0)}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
}

/* roulang page: article */
:root {
  --primary: #1F5E4E;
  --primary-dark: #143D32;
  --primary-light: #E8F2EE;
  --accent: #C89B3C;
  --accent-dark: #A67F2B;
  --bg: #FAF8F4;
  --text: #232A27;
  --text-secondary: #5A6B66;
  --border: #E4E0D8;
  --white: #FFFFFF;
  --green: #2E7D5E;
  --red: #B4553D;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 2px 8px rgba(0, 0, 0, .06);
  --shadow-hover: 0 8px 24px rgba(0, 0, 0, .10);
  --container: 1200px;
  --section-space: 96px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font-family: inherit; font-size: inherit; }
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, .93);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 22px;
  font-weight: 700;
  color: var(--primary-dark);
}
.logo-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--primary);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 22px;
}
.logo-text span { color: var(--accent); }
.desktop-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}
.desktop-nav .nav-link {
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  position: relative;
  padding: 8px 0;
}
.desktop-nav .nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width .25s;
}
.desktop-nav .nav-link:hover::after,
.desktop-nav .nav-link.active::after { width: 100%; }
.desktop-nav .nav-link.active { color: var(--primary); }
.header-cta {
  margin-left: 8px;
  background: var(--primary);
  color: var(--white) !important;
  padding: 10px 22px !important;
  border-radius: var(--radius-sm);
  font-weight: 600;
}
.header-cta:hover { background: var(--primary-dark); }
.burger-btn {
  display: none;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 10px;
}
.burger-btn span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  margin: 5px 0;
  border-radius: 2px;
  transition: opacity .2s;
}
.mobile-nav {
  display: none;
  border-top: 1px solid var(--border);
  background: var(--white);
}
.mobile-nav.open { display: block; }
.mobile-nav a {
  display: block;
  padding: 14px 24px;
  border-bottom: 1px solid #F0ECE4;
  font-weight: 500;
  color: var(--text);
}
.mobile-nav a.active { color: var(--primary); }
body.no-scroll { overflow: hidden; }

/* Mobile bottom tab */
.mobile-tab {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 64px;
  background: var(--white);
  border-top: 1px solid var(--border);
  z-index: 150;
  padding-bottom: env(safe-area-inset-bottom);
}
.mobile-tab a {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  font-size: 11px;
  color: var(--text-secondary);
  transition: color .2s;
}
.mobile-tab a.active {
  color: var(--primary);
  font-weight: 700;
}
.mobile-tab svg {
  width: 22px;
  height: 22px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.mobile-tab a.active svg {
  fill: var(--accent);
  stroke: var(--accent);
}

/* Breadcrumb */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-secondary);
  margin: 30px 0 20px;
}
.breadcrumb a { color: var(--text-secondary); transition: color .2s; }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb .separator { opacity: .6; }
.breadcrumb .current { color: var(--text); font-weight: 500; }

/* Article */
.article-page {
  max-width: 860px;
  margin: 0 auto;
  padding-bottom: 40px;
}
.article-head { margin-bottom: 24px; }
.article-head h1 {
  font-size: 34px;
  line-height: 1.3;
  margin: 14px 0 12px;
  font-weight: 700;
  color: var(--text);
}
.article-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  color: var(--text-secondary);
  flex-wrap: wrap;
}
.badge {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: 999px;
  padding: 5px 14px;
  font-size: 12px;
  font-weight: 600;
}
.article-cover {
  margin: 28px 0 32px;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow);
}
.article-cover img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}
.article-body {
  max-width: 780px;
  font-size: 16px;
  line-height: 2;
  color: var(--text);
}
.article-body h2 {
  font-size: 26px;
  font-weight: 700;
  margin: 40px 0 12px;
  line-height: 1.4;
}
.article-body h3 {
  font-size: 19px;
  font-weight: 600;
  margin: 28px 0 10px;
}
.article-body p { margin: 0 0 22px; }
.article-body blockquote {
  border-left: 4px solid var(--primary);
  background: var(--primary-light);
  padding: 16px 20px;
  border-radius: 0 8px 8px 0;
  margin: 24px 0;
  color: var(--text-secondary);
}
.article-body ul,
.article-body ol {
  padding-left: 24px;
  margin: 0 0 24px;
}
.article-body li { margin-bottom: 8px; }
.article-body a { color: var(--primary); text-decoration: underline; }
.article-tags {
  margin: 36px 0 0;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  display: flex;
  gap: 10px;
  align-items: center;
  font-size: 14px;
  color: var(--text-secondary);
}

/* Empty state */
.empty-state {
  text-align: center;
  padding: 80px 24px;
  border: 1px dashed var(--border);
  border-radius: 16px;
  background: var(--white);
  margin: 40px 0;
}
.empty-state svg {
  width: 52px;
  height: 52px;
  stroke: var(--text-secondary);
  fill: none;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  margin: 0 auto 16px;
}
.empty-state p {
  font-size: 18px;
  color: var(--text-secondary);
  margin: 0 0 24px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 30px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
  transition: all .2s;
  border: 1.5px solid transparent;
}
.btn.primary {
  background: var(--primary);
  color: var(--white);
}
.btn.primary:hover { background: var(--primary-dark); transform: translateY(-2px); }
.btn.primary:active { transform: scale(.98); }
.btn.ghost {
  background: transparent;
  color: var(--primary);
  border-color: var(--primary);
}
.btn.ghost:hover { background: var(--primary-light); }
.btn.ghost:active { transform: scale(.98); }

/* Related section */
.related-section {
  background: var(--bg);
  padding: var(--section-space) 0;
  border-top: 1px solid var(--border);
}
.section-title {
  font-size: 30px;
  font-weight: 700;
  margin: 0;
}
.section-sub {
  font-size: 15px;
  color: var(--text-secondary);
  margin-top: 6px;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 32px;
}
.related-card {
  background: var(--white);
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--border);
  transition: transform .25s, box-shadow .25s;
  display: block;
}
.related-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}
.related-card img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  transition: transform .3s;
}
.related-card:hover img { transform: scale(1.03); }
.related-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.related-body h3 {
  font-size: 17px;
  line-height: 1.5;
  margin: 0;
}
.related-body p {
  font-size: 14px;
  color: var(--text-secondary);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin: 0;
}
.related-body time {
  font-size: 12px;
  color: var(--text-secondary);
}

/* CTA section */
.cta-section {
  background: linear-gradient(rgba(20, 61, 50, .86), rgba(20, 61, 50, .86)), url('/assets/images/backpic/back-2.webp') center / cover;
  padding: 80px 0;
  text-align: center;
  color: var(--white);
}
.cta-inner {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 24px;
}
.cta-inner h2 {
  font-size: 30px;
  margin: 0 0 14px;
  color: var(--white);
}
.cta-inner p {
  color: rgba(255, 255, 255, .9);
  margin: 0 0 30px;
}
.cta-inner .btn { margin: 0 8px; }

/* Footer */
.site-footer {
  background: #143D32;
  color: #C8D4CF;
  padding: 64px 0 28px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
}
.site-footer .logo .logo-icon { background: var(--accent); color: #143D32; }
.site-footer .logo-text { color: var(--white); }
.site-footer .logo-text span { color: var(--accent); }
.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  margin: 16px 0 0;
  color: #9FB3AB;
}
.footer-col h4 {
  color: var(--white);
  font-size: 16px;
  margin: 0 0 16px;
}
.footer-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.footer-col li { margin-bottom: 10px; font-size: 14px; }
.footer-col a { color: #C8D4CF; transition: color .2s; }
.footer-col a:hover { color: var(--accent); }
.footer-contact .icon { margin-right: 6px; }
.footer-subscribe p.sub-desc {
  font-size: 13px;
  color: #9FB3AB;
  margin: 0 0 14px;
}
.footer-subscribe form { display: flex; gap: 8px; }
.footer-subscribe input {
  flex: 1;
  height: 44px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, .2);
  background: rgba(255, 255, 255, .08);
  color: var(--white);
  padding: 0 14px;
  outline: none;
}
.footer-subscribe input:focus { border-color: var(--accent); }
.footer-subscribe button {
  background: var(--accent);
  border: 0;
  border-radius: var(--radius-sm);
  padding: 0 18px;
  color: #143D32;
  font-weight: 600;
  cursor: pointer;
  transition: background .2s;
}
.footer-subscribe button:hover { background: var(--accent-dark); }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .12);
  margin-top: 48px;
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  font-size: 13px;
  flex-wrap: wrap;
}
.footer-links { display: flex; gap: 16px; }
.footer-links a { color: #9FB3AB; transition: color .2s; }
.footer-links a:hover { color: var(--accent); }

/* Focus */
:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* Responsive */
@media (max-width: 1023px) {
  .desktop-nav { display: none; }
  .burger-btn { display: block; }
  .mobile-tab { display: flex; }
  main { padding-bottom: 80px; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .related-grid { grid-template-columns: 1fr; }
  .article-page { padding-left: 20px; padding-right: 20px; }
}
@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr; }
  .article-head h1 { font-size: 28px; }
  .section-title { font-size: 24px; }
  .cta-inner h2 { font-size: 24px; }
  .cta-inner .btn { margin: 6px 4px; }
  .related-grid { gap: 16px; }
  .footer-bottom { flex-direction: column; }
}
@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .article-head h1 { font-size: 25px; }
  .article-cover { border-radius: 12px; }
  .article-body { font-size: 15px; }
  .cta-section { padding: 56px 0; }
  .site-footer { padding-top: 48px; }
  .footer-subscribe form { flex-direction: column; }
  .footer-subscribe button { height: 44px; }
}

/* roulang page: category2 */
:root{
  --primary:#1F5E4E;
  --primary-dark:#143D32;
  --primary-light:#E8F2EE;
  --accent:#C89B3C;
  --accent-dark:#A67F2B;
  --bg:#FAF8F4;
  --text:#232A27;
  --text-secondary:#5A6B66;
  --border:#E4E0D8;
  --green:#2E7D5E;
  --red:#B4553D;
  --radius:12px;
  --radius-sm:8px;
  --shadow:0 2px 8px rgba(0,0,0,.06);
  --shadow-lg:0 8px 24px rgba(0,0,0,.10);
  --container:1200px;
  --header-h:72px;
  --spacer-desktop:80px;
  --spacer-mobile:56px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;line-height:1.8;color:var(--text);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--primary);text-decoration:none}
a:hover{color:var(--primary-dark)}
button,input,select,textarea{font-family:inherit;font-size:inherit}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}
section{padding:var(--spacer-desktop) 0}
.section-head{margin-bottom:36px}
.section-head .tag{
  display:inline-block;background:var(--primary-light);color:var(--primary);
  font-size:13px;font-weight:600;padding:4px 14px;border-radius:999px;margin-bottom:12px;letter-spacing:.5px;
}
.section-head h2{font-size:30px;font-weight:700;line-height:1.3;margin-bottom:12px}
.section-head p{color:var(--text-secondary);max-width:640px;font-size:15px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 28px;border-radius:var(--radius-sm);font-weight:600;font-size:15px;
  border:1.5px solid transparent;cursor:pointer;transition:all .25s ease;line-height:1.4;white-space:nowrap;
}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-lg)}
.btn-primary:active{transform:scale(.98)}
.btn-outline{background:transparent;color:var(--primary);border-color:var(--primary)}
.btn-outline:hover{background:var(--primary-light)}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:var(--accent-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-lg)}
.btn-full{width:100%}
.text-link{color:var(--primary);font-weight:600;transition:all .25s ease}
.text-link span{display:inline-block;transition:transform .25s ease}
.text-link:hover span{transform:translateX(4px)}
/* Header */
.site-header{
  position:sticky;top:0;z-index:100;background:rgba(250,248,244,.96);
  backdrop-filter:blur(8px);height:var(--header-h);border-bottom:1px solid var(--border);
}
.site-header .container{display:flex;align-items:center;justify-content:space-between;height:100%}
.logo{display:flex;align-items:center;gap:10px;color:var(--text)}
.logo-icon{
  width:38px;height:38px;background:var(--primary);color:#fff;border-radius:10px;
  display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:700;
  font-family:Georgia,"Times New Roman",serif;flex-shrink:0;
}
.logo-text{font-size:20px;font-weight:700;letter-spacing:.5px;color:var(--text)}
.logo-text span{color:var(--primary)}
.logo:hover{color:var(--text)}
.desktop-nav{display:flex;align-items:center;gap:28px}
.desktop-nav .nav-link{
  font-size:15px;font-weight:500;color:var(--text-secondary);position:relative;padding:6px 2px;transition:color .2s;
}
.desktop-nav .nav-link:hover{color:var(--primary)}
.desktop-nav .nav-link.active{color:var(--primary);font-weight:600}
.desktop-nav .nav-link.active::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--primary);border-radius:2px;
}
.header-cta{
  background:var(--primary);color:#fff !important;padding:9px 20px !important;border-radius:8px;font-size:14px !important;
}
.header-cta:hover{background:var(--primary-dark);transform:translateY(-1px)}
.burger-btn{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px}
.burger-btn span{width:24px;height:2px;background:var(--text);border-radius:2px;transition:all .3s}
.burger-btn.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger-btn.open span:nth-child(2){opacity:0}
.burger-btn.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-menu{
  display:none;position:fixed;top:var(--header-h);left:0;right:0;bottom:0;background:#fff;
  z-index:99;padding:24px;flex-direction:column;gap:8px;overflow-y:auto;
}
.mobile-menu.open{display:flex}
.mobile-menu .nav-link{
  display:block;padding:16px 12px;font-size:16px;font-weight:500;color:var(--text);
  border-radius:10px;border-bottom:1px solid #f0ede6;
}
.mobile-menu .nav-link.active{color:var(--primary);background:var(--primary-light)}
/* Bottom Tab */
.bottom-tab{
  display:none;position:fixed;bottom:0;left:0;right:0;height:64px;background:#fff;
  border-top:1px solid var(--border);z-index:999;padding-bottom:env(safe-area-inset-bottom);
}
.bottom-tab .tab-inner{display:flex;height:100%}
.bottom-tab .tab-item{
  flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:3px;color:var(--text-secondary);font-size:11px;transition:color .2s;
}
.bottom-tab .tab-item svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.bottom-tab .tab-item.active{color:var(--primary);font-weight:700}
.bottom-tab .tab-item.active svg{stroke:var(--accent);fill:var(--primary-light)}
/* Hero */
.category-hero{
  background:linear-gradient(rgba(20,61,50,.78),rgba(20,61,50,.65)),url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  color:#fff;padding:100px 0 72px;position:relative;
}
.category-hero .hero-badge{
  display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.2);padding:6px 16px;border-radius:999px;font-size:13px;letter-spacing:.5px;margin-bottom:20px;
}
.category-hero h1{font-size:40px;line-height:1.25;font-weight:700;max-width:680px;margin-bottom:16px}
.category-hero h1 .gold{color:var(--accent)}
.category-hero .hero-sub{font-size:17px;color:rgba(255,255,255,.9);max-width:620px;line-height:1.8;margin-bottom:32px}
.category-hero .hero-actions{display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.category-hero .btn{font-size:16px;padding:14px 32px}
.category-hero .hero-heart{
  display:flex;align-items:center;gap:8px;color:rgba(255,255,255,.85);font-size:14px;
}
.hero-metrics{
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:56px;
  border-top:1px solid rgba(255,255,255,.2);padding-top:32px;max-width:760px;
}
.hero-metrics .metric b{
  font-family:Georgia,"Times New Roman",serif;font-size:32px;color:#fff;display:block;line-height:1.2;
}
.hero-metrics .metric span{font-size:13px;color:rgba(255,255,255,.75)}
/* Metrics Dashboard */
.metrics-dashboard{background:#fff;padding:64px 0}
.metrics-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.metric-card{
  background:#F1EEE8;border-radius:var(--radius);padding:32px 24px;transition:background .3s ease;
}
.metric-card:hover{background:var(--primary-light)}
.metric-card .num{
  font-family:Georgia,"Times New Roman",serif;font-size:44px;font-weight:700;color:var(--primary);line-height:1.1;display:block;
}
.metric-card .label{font-size:15px;font-weight:600;color:var(--text);margin-top:10px;display:block}
.metric-card .desc{font-size:13px;color:var(--text-secondary);margin-top:4px;line-height:1.6}
/* Compare */
.compare-section{background:var(--bg)}
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;position:relative;align-items:stretch}
.compare-card{border-radius:var(--radius);padding:32px 28px}
.compare-card.before{background:#F5F3EE}
.compare-card.after{background:var(--primary);color:#fff}
.compare-card h3{font-size:19px;font-weight:700;margin-bottom:20px;display:flex;align-items:center;gap:10px}
.compare-card ul{list-style:none}
.compare-card li{
  display:flex;align-items:flex-start;gap:10px;padding:10px 0;font-size:15px;line-height:1.6;
  border-bottom:1px solid rgba(0,0,0,.05);
}
.compare-card.after li{border-bottom-color:rgba(255,255,255,.12);color:rgba(255,255,255,.95)}
.compare-card li:last-child{border-bottom:none}
.compare-card .ic-x{color:var(--red);flex-shrink:0;line-height:1.5}
.compare-card .ic-check{color:var(--accent);flex-shrink:0;line-height:1.5}
.vs-badge{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:56px;height:56px;background:#fff;border-radius:50%;box-shadow:var(--shadow-lg);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px;color:var(--primary);
  border:1px solid var(--border);z-index:2;font-family:Georgia,serif;
}
.compare-conclusion{
  text-align:center;margin-top:40px;color:var(--text-secondary);font-size:16px;
}
.compare-conclusion .btn{margin-top:16px}
/* Steps */
.steps-section{background:#fff}
.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:24px;position:relative}
.step-item{
  position:relative;padding:32px 20px 24px;background:var(--bg);border-radius:var(--radius);
  border:1px solid transparent;transition:all .3s;
}
.step-item:hover{border-color:var(--primary);box-shadow:var(--shadow);transform:translateY(-3px)}
.step-num{
  width:40px;height:40px;background:var(--primary);color:#fff;border-radius:10px;
  display:flex;align-items:center;justify-content:center;font-weight:700;font-family:Georgia,serif;font-size:18px;margin-bottom:14px;
}
.step-item h3{font-size:17px;font-weight:600;margin-bottom:8px}
.step-item p{font-size:14px;color:var(--text-secondary);line-height:1.7}
/* Case */
.case-section{background:var(--bg)}
.case-grid{display:grid;grid-template-columns:1fr 1fr;gap:32px}
.case-card{
  background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);
  transition:all .3s ease;display:flex;flex-direction:column;
}
.case-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px)}
.case-card .cover{height:200px;overflow:hidden;position:relative}
.case-card .cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.case-card:hover .cover img{transform:scale(1.04)}
.case-card .body{padding:24px}
.case-card .body h3{font-size:18px;font-weight:600;margin-bottom:10px}
.case-card .body p{font-size:14px;color:var(--text-secondary);line-height:1.7;margin-bottom:14px}
.case-card .case-meta{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--text-secondary)}
.case-card .case-meta .badge{
  background:var(--primary-light);color:var(--primary);padding:3px 10px;border-radius:999px;font-weight:600;
}
/* FAQ */
.faq-section{background:#fff}
.faq-list{max-width:800px}
.faq-item{border-top:1px solid var(--border);padding:0}
.faq-item:last-child{border-bottom:1px solid var(--border)}
.faq-q{
  display:flex;justify-content:space-between;align-items:center;padding:22px 0;cursor:pointer;
  font-size:16px;font-weight:600;color:var(--text);transition:color .2s;user-select:none;
}
.faq-q:hover{color:var(--primary)}
.faq-q .plus{width:28px;height:28px;flex-shrink:0;display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:300;color:var(--primary);transition:transform .3s ease}
.faq-item.open .plus{transform:rotate(45deg)}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .3s ease;
}
.faq-a p{padding:0 0 22px;font-size:14px;line-height:1.8;color:var(--text-secondary)}
.faq-item.open .faq-a{max-height:400px}
/* CTA */
.cta-section{
  background:var(--primary-dark);position:relative;padding:0;
}
.cta-section .container{display:flex;align-items:center;gap:48px;justify-content:space-between;padding-top:48px;padding-bottom:48px}
.cta-left{max-width:520px}
.cta-left h2{color:#fff;font-size:30px;font-weight:700;line-height:1.3;margin-bottom:12px}
.cta-left p{color:rgba(255,255,255,.8);font-size:15px;line-height:1.8}
.cta-right{flex-shrink:0;display:flex;gap:16px}
/* Footer */
.site-footer{background:var(--primary-dark);color:#C8D4CF;padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.4fr;gap:40px;padding-bottom:40px}
.site-footer .logo{color:#fff}
.site-footer .logo-text{color:#fff}
.site-footer .logo-text span{color:var(--accent)}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.65);margin-top:16px;max-width:300px}
.footer-col h4{color:#fff;font-size:16px;font-weight:600;margin-bottom:18px}
.footer-col ul{list-style:none}
.footer-col li{margin-bottom:10px}
.footer-col a{color:#C8D4CF;font-size:14px;transition:color .2s}
.footer-col a:hover{color:var(--accent)}
.footer-contact li{display:flex;align-items:flex-start;gap:8px;font-size:14px;line-height:1.6}
.footer-contact .icon{flex-shrink:0}
.footer-subscribe .sub-desc{font-size:13px;color:rgba(255,255,255,.6);margin-bottom:14px;line-height:1.6}
.footer-subscribe form{display:flex;gap:8px}
.footer-subscribe input{
  flex:1;height:42px;border-radius:8px;border:1px solid rgba(255,255,255,.2);
  background:rgba(255,255,255,.08);color:#fff;padding:0 14px;font-size:14px;outline:none;transition:all .2s;
}
.footer-subscribe input:focus{border-color:var(--accent);background:rgba(255,255,255,.12)}
.footer-subscribe button{
  height:42px;padding:0 18px;background:var(--accent);color:#fff;border:none;border-radius:8px;
  font-size:14px;font-weight:600;cursor:pointer;transition:all .2s;
}
.footer-subscribe button:hover{background:var(--accent-dark)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0;display:flex;align-items:center;
  justify-content:space-between;gap:16px;font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom a{margin-left:16px;color:rgba(255,255,255,.5)}
.footer-bottom a:hover{color:var(--accent)}
/* Focus */
:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
/* Responsive */
@media (max-width:1024px){
  .desktop-nav{display:none}
  .burger-btn{display:flex}
  .category-hero{padding:72px 0 56px}
  .category-hero h1{font-size:32px}
  .compare-grid{gap:20px}
  .steps-grid{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .bottom-tab{display:block}
  body{padding-bottom:64px}
}
@media (max-width:768px){
  section{padding:48px 0}
  .container{padding:0 16px}
  .category-hero h1{font-size:28px}
  .hero-metrics{grid-template-columns:repeat(3,1fr);gap:12px}
  .metrics-grid{grid-template-columns:1fr 1fr}
  .metric-card .num{font-size:36px}
  .compare-grid{grid-template-columns:1fr}
  .vs-badge{display:none}
  .case-grid{grid-template-columns:1fr}
  .steps-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;text-align:center}
  .cta-section .container{flex-direction:column;gap:24px;text-align:center}
  .cta-container{flex-direction:column;align-items:center !important}
  .cta-section h2{font-size:24px}
  .cta-right{flex-direction:column;width:100%;align-items:center}
  .cta-right .btn{width:100%;max-width:280px}
  .site-footer{padding-top:48px}
  .footer-col{margin-bottom:8px}
}
@media (max-width:520px){
  .category-hero .hero-actions{flex-direction:column;align-items:stretch}
  .category-hero .btn{width:100%}
  .category-hero .hero-heart{justify-content:center}
  .metrics-grid{gap:16px}
  .metric-card{padding:24px 18px}
  .metric-card .num{font-size:32px}
  .compare-card{padding:24px 18px}
  .cta-right .btn{max-width:100%}
}

/* roulang page: category3 */
:root {
      --primary: #1F5E4E;
      --primary-dark: #143D32;
      --primary-light: #E8F2EE;
      --accent: #C89B3C;
      --accent-dark: #A67F2B;
      --bg: #FAF8F4;
      --text: #232A27;
      --secondary: #5A6B66;
      --border: #E4E0D8;
      --green: #2E7D5E;
      --red: #B4553D;
      --white: #FFFFFF;
      --card-radius: 12px;
      --btn-radius: 8px;
      --shadow-default: 0 2px 8px rgba(0,0,0,0.06);
      --shadow-hover: 0 8px 24px rgba(0,0,0,0.10);
      --font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
      --font-num: Georgia, "Times New Roman", serif;
      --container: 1200px;
      --spacing-section: 88px;
      --spacing-mobile: 56px;
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: var(--font-family);
      background: var(--bg);
      color: var(--text);
      line-height: 1.7;
      font-size: 15px;
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
    }

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

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

    ul, ol {
      list-style: none;
    }

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

    .container {
      max-width: var(--container);
      margin: 0 auto;
      padding: 0 24px;
    }

    /* ========== 顶部导航 ========== */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(255,255,255,0.96);
      backdrop-filter: blur(8px);
      border-bottom: 1px solid var(--border);
      height: 72px;
      transition: box-shadow .3s ease;
    }

    .site-header.scrolled {
      box-shadow: 0 4px 20px rgba(0,0,0,0.06);
    }

    .site-header .container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 100%;
    }

    .logo {
      display: flex;
      align-items: center;
      gap: 8px;
      flex-shrink: 0;
    }

    .logo-icon {
      width: 36px;
      height: 36px;
      background: var(--primary);
      color: #fff;
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 20px;
      font-weight: 800;
    }

    .logo-text {
      font-size: 20px;
      font-weight: 700;
      color: var(--primary-dark);
      letter-spacing: -0.3px;
    }

    .logo-text span {
      color: var(--accent);
    }

    .desktop-nav {
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .desktop-nav .nav-link {
      padding: 8px 16px;
      font-size: 15px;
      font-weight: 500;
      color: var(--text);
      border-radius: 6px;
      position: relative;
      transition: color .2s, background .2s;
    }

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

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

    .desktop-nav .nav-link.active::after {
      content: '';
      position: absolute;
      left: 16px;
      right: 16px;
      bottom: 0;
      height: 2px;
      background: var(--primary);
      border-radius: 2px;
    }

    .desktop-nav .header-cta {
      background: var(--primary);
      color: #fff;
      padding: 8px 20px;
      border-radius: var(--btn-radius);
      font-weight: 600;
      margin-left: 8px;
      transition: background .2s, transform .2s;
    }

    .desktop-nav .header-cta:hover {
      background: var(--primary-dark);
      transform: translateY(-1px);
      color: #fff;
    }

    .burger-btn {
      display: none;
      width: 40px;
      height: 40px;
      border: 1px solid var(--border);
      background: #fff;
      border-radius: 8px;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      gap: 5px;
      cursor: pointer;
    }

    .burger-btn span {
      display: block;
      width: 18px;
      height: 2px;
      background: var(--text);
      border-radius: 2px;
      transition: transform .3s, opacity .3s;
    }

    .burger-btn.active span:nth-child(1) {
      transform: translateY(7px) rotate(45deg);
    }

    .burger-btn.active span:nth-child(2) {
      opacity: 0;
    }

    .burger-btn.active span:nth-child(3) {
      transform: translateY(-7px) rotate(-45deg);
    }

    /* 移动端菜单 */
    .mobile-menu {
      display: none;
      position: fixed;
      top: 0;
      right: 0;
      bottom: 0;
      width: 86%;
      max-width: 360px;
      background: #fff;
      z-index: 99;
      box-shadow: -8px 0 30px rgba(0,0,0,0.12);
      flex-direction: column;
      padding: 88px 28px 32px;
      transform: translateX(100%);
      transition: transform .35s cubic-bezier(.4,0,.2,1);
      overflow-y: auto;
    }

    .mobile-menu.open {
      transform: translateX(0);
    }

    .mobile-menu .nav-link {
      display: block;
      padding: 14px 0;
      font-size: 17px;
      font-weight: 500;
      color: var(--text);
      border-bottom: 1px solid var(--border);
    }

    .mobile-menu .nav-link.active {
      color: var(--primary);
      font-weight: 700;
    }

    .mobile-menu .nav-link.header-cta {
      margin-top: 16px;
      text-align: center;
      background: var(--primary);
      color: #fff;
      border-radius: var(--btn-radius);
      border-bottom: none;
      padding: 12px 20px;
    }

    .menu-overlay {
      display: none;
      position: fixed;
      inset: 0;
      background: rgba(20, 30, 27, 0.5);
      z-index: 98;
      opacity: 0;
      transition: opacity .3s;
    }

    .menu-overlay.show {
      opacity: 1;
    }

    /* ========== Hero ========== */
    .hero {
      position: relative;
      background: linear-gradient(rgba(20, 45, 40, 0.58), rgba(15, 35, 31, 0.72)), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
      color: #fff;
      display: flex;
      align-items: center;
      min-height: 70vh;
      padding: 72px 0 64px;
      overflow: hidden;
    }

    .hero::before,
    .hero::after {
      content: '';
      position: absolute;
      width: 200px;
      height: 120px;
      border: 1px solid rgba(255,255,255,0.18);
      pointer-events: none;
    }

    .hero::before {
      top: 24px;
      left: 24px;
      border-right: none;
      border-bottom: none;
    }

    .hero::after {
      bottom: 24px;
      right: 24px;
      border-left: none;
      border-top: none;
    }

    .hero .container {
      display: grid;
      grid-template-columns: 1.2fr 1fr;
      gap: 48px;
      align-items: center;
    }

    .hero-content {
      position: relative;
      z-index: 2;
    }

    .hero-badge {
      display: inline-block;
      background: rgba(200, 155, 60, 0.2);
      border: 1px solid rgba(200, 155, 60, 0.5);
      color: #F0C96A;
      font-size: 13px;
      font-weight: 600;
      padding: 5px 14px;
      border-radius: 999px;
      margin-bottom: 20px;
      letter-spacing: 0.5px;
    }

    .hero h1 {
      font-size: 42px;
      font-weight: 700;
      line-height: 1.2;
      margin-bottom: 16px;
      letter-spacing: -0.5px;
    }

    .hero h1 .highlight {
      color: var(--accent);
    }

    .hero-sub {
      font-size: 17px;
      line-height: 1.7;
      color: rgba(255,255,255,0.88);
      margin-bottom: 28px;
      max-width: 520px;
    }

    .hero-actions {
      display: flex;
      align-items: center;
      gap: 24px;
      flex-wrap: wrap;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 12px 28px;
      border-radius: var(--btn-radius);
      font-weight: 600;
      font-size: 15px;
      border: none;
      cursor: pointer;
      transition: all .25s ease;
      text-decoration: none;
    }

    .btn-primary {
      background: var(--primary);
      color: #fff;
    }

    .btn-primary:hover {
      background: var(--primary-dark);
      transform: translateY(-2px);
      color: #fff;
    }

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

    .btn-outline-light {
      background: transparent;
      color: #fff;
      border: 1.5px solid rgba(255,255,255,0.7);
    }

    .btn-outline-light:hover {
      background: rgba(255,255,255,0.12);
      color: #fff;
      border-color: #fff;
    }

    .text-link {
      display: inline-flex;
      align-items: center;
      gap: 4px;
      color: var(--accent);
      font-weight: 600;
      font-size: 15px;
      background: none;
      border: none;
      cursor: pointer;
      transition: gap .25s;
    }

    .text-link:hover {
      color: var(--accent-dark);
      gap: 10px;
    }

    .hero-metrics {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px;
      position: relative;
      z-index: 2;
    }

    .metric-card {
      background: rgba(255,255,255,0.08);
      border: 1px solid rgba(255,255,255,0.14);
      border-radius: var(--card-radius);
      padding: 24px 20px;
      backdrop-filter: blur(6px);
      transition: background .3s, transform .3s;
    }

    .metric-card:hover {
      background: rgba(255,255,255,0.16);
      transform: translateY(-3px);
    }

    .metric-number {
      font-family: var(--font-num);
      font-size: 38px;
      font-weight: 700;
      color: #fff;
      line-height: 1;
      margin-bottom: 8px;
    }

    .metric-number .unit {
      font-size: 20px;
      color: var(--accent);
      margin-left: 2px;
    }

    .metric-label {
      font-size: 13px;
      color: rgba(255,255,255,0.7);
      line-height: 1.5;
    }

    /* ========== 指标看板 ========== */
    .section {
      padding: var(--spacing-section) 0;
    }

    .section-alt {
      background: #F5F2EC;
    }

    .dashboard {
      background: #F5F2EC;
      padding: 64px 0;
      margin-top: -2px;
    }

    .dashboard-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .dashboard-card {
      background: #EDE9E1;
      border-radius: var(--card-radius);
      padding: 28px 24px;
      transition: background .3s;
    }

    .dashboard-card:hover {
      background: var(--primary-light);
    }

    .dashboard-number {
      font-family: var(--font-num);
      font-size: 48px;
      font-weight: 700;
      color: var(--primary);
      line-height: 1.1;
      margin-bottom: 6px;
    }

    .dashboard-label {
      font-size: 14px;
      font-weight: 600;
      color: var(--text);
      margin-bottom: 4px;
    }

    .dashboard-desc {
      font-size: 13px;
      color: var(--secondary);
      line-height: 1.5;
    }

    /* ========== 服务矩阵 ========== */
    .section-header {
      text-align: center;
      max-width: 680px;
      margin: 0 auto 48px;
    }

    .section-kicker {
      display: inline-block;
      font-size: 13px;
      font-weight: 600;
      color: var(--accent);
      letter-spacing: 1.5px;
      text-transform: uppercase;
      margin-bottom: 12px;
    }

    .section-header h2 {
      font-size: 30px;
      font-weight: 700;
      color: var(--primary-dark);
      line-height: 1.3;
      margin-bottom: 12px;
    }

    .section-header p {
      font-size: 15px;
      color: var(--secondary);
      line-height: 1.7;
    }

    .service-grid-top {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 24px;
      margin-bottom: 24px;
    }

    .service-card-large {
      background: var(--primary-light);
      border-radius: var(--card-radius);
      padding: 28px;
      display: flex;
      gap: 20px;
      align-items: flex-start;
      transition: transform .3s, box-shadow .3s;
      border: 1px solid transparent;
    }

    .service-card-large:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
      background: #DCEBE4;
    }

    .service-icon {
      width: 52px;
      height: 52px;
      background: var(--primary);
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      flex-shrink: 0;
      transition: background .3s;
    }

    .service-icon svg {
      width: 26px;
      height: 26px;
      stroke: currentColor;
      stroke-width: 1.5;
      fill: none;
      stroke-linecap: round;
      stroke-linejoin: round;
    }

    .service-card-large .service-body {
      flex: 1;
    }

    .service-card-large h3 {
      font-size: 19px;
      font-weight: 600;
      margin-bottom: 8px;
      color: var(--primary-dark);
    }

    .service-card-large p {
      font-size: 14px;
      line-height: 1.7;
      color: var(--secondary);
      margin-bottom: 12px;
    }

    .service-link {
      display: inline-flex;
      align-items: center;
      gap: 4px;
      font-size: 14px;
      font-weight: 600;
      color: var(--primary);
      transition: gap .25s;
    }

    .service-link:hover {
      gap: 10px;
      color: var(--accent-dark);
    }

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

    .service-card-small {
      background: #fff;
      border: 1px solid var(--border);
      border-radius: var(--card-radius);
      padding: 24px;
      transition: transform .3s, box-shadow .3s;
    }

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

    .service-card-small .service-icon {
      width: 42px;
      height: 42px;
      background: var(--primary-light);
      color: var(--primary);
      border-radius: 10px;
      margin-bottom: 16px;
    }

    .service-card-small .service-icon svg {
      width: 22px;
      height: 22px;
    }

    .service-card-small h3 {
      font-size: 17px;
      font-weight: 600;
      margin-bottom: 8px;
      color: var(--text);
    }

    .service-card-small p {
      font-size: 13px;
      color: var(--secondary);
      line-height: 1.6;
      margin-bottom: 12px;
    }

    /* ========== 结果对比 ========== */
    .comparison {
      background: var(--primary-dark);
      padding: var(--spacing-section) 0;
      position: relative;
      overflow: hidden;
    }

    .comparison::before {
      content: '';
      position: absolute;
      top: -60px;
      right: -60px;
      width: 300px;
      height: 300px;
      background: radial-gradient(circle, rgba(200,155,60,0.08) 0%, transparent 70%);
    }

    .comparison .section-header h2 {
      color: #fff;
    }

    .comparison .section-header p {
      color: rgba(255,255,255,0.7);
    }

    .comparison-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 32px;
      position: relative;
      align-items: stretch;
    }

    .comparison-column {
      border-radius: var(--card-radius);
      padding: 32px 30px;
      position: relative;
    }

    .comparison-column h3 {
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 20px;
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .comparison-old {
      background: rgba(255,255,255,0.06);
      border: 1px solid rgba(255,255,255,0.1);
    }

    .comparison-old h3 {
      color: #F8D5C8;
    }

    .comparison-new {
      background: var(--primary);
      box-shadow: 0 12px 40px rgba(0,0,0,0.25);
    }

    .comparison-new h3 {
      color: #fff;
    }

    .cmp-list li {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      padding: 10px 0;
      font-size: 14px;
      line-height: 1.6;
      border-bottom: 1px solid rgba(255,255,255,0.1);
    }

    .cmp-list li:last-child {
      border-bottom: none;
    }

    .cmp-list .icon-x {
      color: #F19A7B;
      flex-shrink: 0;
      margin-top: 3px;
    }

    .cmp-list .icon-check {
      color: var(--accent);
      flex-shrink: 0;
      margin-top: 3px;
    }

    .cmp-list .text-old {
      color: rgba(255,255,255,0.7);
    }

    .cmp-list .text-new {
      color: rgba(255,255,255,0.92);
    }

    .vs-badge {
      position: absolute;
      left: 50%;
      top: 50%;
      transform: translate(-50%, -50%);
      width: 48px;
      height: 48px;
      background: var(--accent);
      color: #fff;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 14px;
      box-shadow: 0 4px 14px rgba(0,0,0,0.3);
      z-index: 3;
      border: 3px solid var(--primary-dark);
    }

    .comparison-conclusion {
      text-align: center;
      margin-top: 36px;
      color: rgba(255,255,255,0.8);
      font-size: 15px;
      line-height: 1.6;
    }

    .comparison-conclusion .btn {
      margin-top: 20px;
    }

    /* ========== 资讯 ========== */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .news-card {
      background: #fff;
      border: 1px solid var(--border);
      border-radius: var(--card-radius);
      overflow: hidden;
      transition: transform .3s, box-shadow .3s;
    }

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

    .news-card .card-image {
      width: 100%;
      height: 190px;
      overflow: hidden;
    }

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

    .news-card:hover .card-image img {
      transform: scale(1.04);
    }

    .news-card-body {
      padding: 20px;
    }

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

    .card-meta .tag {
      display: inline-block;
      padding: 2px 10px;
      background: var(--primary-light);
      color: var(--primary);
      border-radius: 999px;
      font-weight: 600;
      font-size: 12px;
    }

    .news-card h3 {
      font-size: 16px;
      font-weight: 600;
      margin-bottom: 8px;
      line-height: 1.4;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
      color: var(--text);
      transition: color .2s;
    }

    .news-card:hover h3 {
      color: var(--primary);
    }

    .news-card .excerpt {
      font-size: 14px;
      color: var(--secondary);
      line-height: 1.6;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
      margin-bottom: 14px;
    }

    .card-link {
      font-size: 13px;
      font-weight: 600;
      color: var(--primary);
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

    .card-link:hover {
      gap: 8px;
    }

    .news-empty {
      grid-column: 1 / -1;
      text-align: center;
      padding: 60px 20px;
      color: var(--secondary);
      font-size: 14px;
      background: #fff;
      border-radius: var(--card-radius);
      border: 1px dashed var(--border);
    }

    .news-empty svg {
      margin: 0 auto 16px;
      color: var(--border);
    }

    /* ========== FAQ ========== */
    .faq-list {
      max-width: 820px;
      margin: 0 auto;
    }

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

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

    .faq-question {
      width: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 20px 0;
      border: none;
      background: transparent;
      font-size: 16px;
      font-weight: 600;
      color: var(--text);
      cursor: pointer;
      text-align: left;
      transition: color .2s;
    }

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

    .faq-icon {
      width: 24px;
      height: 24px;
      border-radius: 50%;
      border: 1.5px solid var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary);
      font-size: 18px;
      flex-shrink: 0;
      transition: transform .35s ease, background .3s, color .3s;
    }

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

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height .4s ease, padding .3s ease;
    }

    .faq-answer p {
      font-size: 14px;
      line-height: 1.8;
      color: var(--secondary);
      padding-bottom: 20px;
      padding-right: 24px;
    }

    .faq-item.open .faq-answer {
      max-height: 400px;
    }

    /* ========== 转化表单 ========== */
    .conversion {
      background: var(--primary-dark);
      padding: var(--spacing-section) 0;
      position: relative;
    }

    .conversion::before {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      right: 0;
      height: 1px;
      background: linear-gradient(90deg, transparent, var(--accent), transparent);
    }

    .conversion-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 48px;
      align-items: center;
    }

    .conversion-info h2 {
      color: #fff;
      font-size: 30px;
      font-weight: 700;
      margin-bottom: 14px;
      line-height: 1.3;
    }

    .conversion-info h2 span {
      color: var(--accent);
    }

    .conversion-info p {
      color: rgba(255,255,255,0.75);
      font-size: 15px;
      line-height: 1.8;
      margin-bottom: 24px;
    }

    .conversion-info ul li {
      display: flex;
      align-items: center;
      gap: 10px;
      color: rgba(255,255,255,0.85);
      padding: 8px 0;
      font-size: 14px;
    }

    .conversion-info ul li svg {
      color: var(--accent);
      flex-shrink: 0;
    }

    .conversion-card {
      background: #fff;
      border-radius: 16px;
      padding: 36px 32px;
      box-shadow: 0 16px 48px rgba(0,0,0,0.25);
    }

    .conversion-card h3 {
      font-size: 21px;
      font-weight: 700;
      color: var(--primary-dark);
      margin-bottom: 6px;
    }

    .conversion-card .copy {
      font-size: 14px;
      color: var(--secondary);
      margin-bottom: 24px;
    }

    .form-group {
      margin-bottom: 18px;
    }

    .form-group label {
      display: block;
      font-size: 13px;
      font-weight: 600;
      color: var(--text);
      margin-bottom: 6px;
    }

    .form-group input,
    .form-group select,
    .form-group textarea {
      width: 100%;
      height: 44px;
      border: 1px solid var(--border);
      border-radius: 8px;
      background: #fff;
      padding: 0 14px;
      font-size: 14px;
      color: var(--text);
      transition: border-color .2s, box-shadow .2s;
      outline: none;
    }

    .form-group textarea {
      height: 90px;
      padding: 12px 14px;
      resize: vertical;
      line-height: 1.6;
    }

    .form-group input:focus,
    .form-group select:focus,
    .form-group textarea:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 3px var(--primary-light);
    }

    .form-group input::placeholder,
    .form-group textarea::placeholder {
      color: #9AA5A0;
    }

    .form-row {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
    }

    .submit-btn {
      width: 100%;
      height: 46px;
      background: var(--primary);
      color: #fff;
      border: none;
      border-radius: 8px;
      font-size: 15px;
      font-weight: 600;
      cursor: pointer;
      transition: background .3s, transform .2s, box-shadow .3s;
      margin-top: 8px;
    }

    .submit-btn:hover {
      background: var(--accent);
      transform: translateY(-2px);
      box-shadow: 0 8px 20px rgba(200,155,60,0.3);
    }

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

    .form-success {
      display: none;
      align-items: center;
      gap: 8px;
      color: var(--green);
      font-size: 14px;
      font-weight: 500;
      margin-top: 12px;
    }

    .form-success.show {
      display: flex;
    }

    /* ========== 信任条 ========== */
    .trust-bar {
      background: #F5F2EC;
      border-bottom: 1px solid var(--border);
      padding: 28px 0;
    }

    .trust-list {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 48px;
      flex-wrap: wrap;
      color: #9AA5A0;
      font-size: 14px;
      font-weight: 500;
      letter-spacing: 0.5px;
    }

    .trust-list span {
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .trust-list svg {
      width: 18px;
      height: 18px;
      fill: none;
      stroke: currentColor;
      stroke-width: 2;
    }

    /* ========== 页脚 ========== */
    .site-footer {
      background: var(--primary-dark);
      color: rgba(255,255,255,0.75);
      padding: 72px 0 28px;
      position: relative;
    }

    .site-footer::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 2px;
      background: linear-gradient(90deg, transparent 0%, var(--accent) 20%, var(--accent) 80%, transparent 100%);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr 0.8fr 1fr 1.2fr;
      gap: 40px;
      margin-bottom: 48px;
    }

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

    .footer-brand .logo-text span {
      color: var(--accent);
    }

    .footer-brand p {
      margin-top: 16px;
      font-size: 14px;
      line-height: 1.8;
      color: rgba(255,255,255,0.6);
      max-width: 300px;
    }

    .footer-col h4 {
      font-size: 16px;
      font-weight: 600;
      color: #fff;
      margin-bottom: 18px;
    }

    .footer-col ul li {
      padding: 5px 0;
    }

    .footer-col ul li a {
      color: rgba(255,255,255,0.6);
      font-size: 14px;
      transition: color .2s;
    }

    .footer-col ul li a:hover {
      color: var(--accent);
    }

    .footer-contact li {
      display: flex;
      align-items: flex-start;
      gap: 8px;
      font-size: 14px;
      color: rgba(255,255,255,0.6);
      line-height: 1.6;
    }

    .footer-contact li .icon {
      flex-shrink: 0;
    }

    .footer-subscribe .sub-desc {
      font-size: 13px;
      color: rgba(255,255,255,0.5);
      margin-bottom: 16px;
      line-height: 1.6;
    }

    .footer-subscribe form {
      display: flex;
      gap: 8px;
    }

    .footer-subscribe input {
      flex: 1;
      height: 42px;
      border: 1px solid rgba(255,255,255,0.25);
      border-radius: 8px;
      background: rgba(255,255,255,0.06);
      padding: 0 14px;
      color: #fff;
      font-size: 13px;
      outline: none;
      transition: border-color .3s;
    }

    .footer-subscribe input:focus {
      border-color: var(--accent);
    }

    .footer-subscribe input::placeholder {
      color: rgba(255,255,255,0.4);
    }

    .footer-subscribe button {
      padding: 0 20px;
      background: var(--accent);
      color: #fff;
      border: none;
      border-radius: 8px;
      font-size: 14px;
      font-weight: 600;
      cursor: pointer;
      transition: background .3s;
      height: 42px;
    }

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

    .footer-bottom {
      border-top: 1px solid rgba(255,255,255,0.1);
      padding-top: 24px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 16px;
      font-size: 13px;
      color: rgba(255,255,255,0.4);
    }

    .footer-links {
      display: flex;
      gap: 24px;
    }

    .footer-links a {
      color: rgba(255,255,255,0.4);
      font-size: 13px;
    }

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

    /* ========== 移动端Tab ========== */
    .mobile-tabbar {
      display: none;
      position: fixed;
      bottom: 0;
      left: 0;
      right: 0;
      height: calc(64px + env(safe-area-inset-bottom));
      height: calc(64px + constant(safe-area-inset-bottom));
      background: #fff;
      border-top: 1px solid var(--border);
      z-index: 90;
      padding-bottom: env(safe-area-inset-bottom);
    }

    .mobile-tabbar ul {
      display: flex;
      height: 100%;
    }

    .mobile-tabbar li {
      flex: 1;
      height: 100%;
    }

    .mobile-tabbar a {
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      gap: 3px;
      color: var(--secondary);
      font-size: 11px;
      font-weight: 500;
      transition: color .2s;
      height: 100%;
    }

    .mobile-tabbar a svg {
      width: 22px;
      height: 22px;
      stroke-width: 2;
      fill: none;
      stroke: currentColor;
      stroke-linecap: round;
      stroke-linejoin: round;
    }

    .mobile-tabbar a.active {
      color: var(--primary);
      font-weight: 600;
    }

    .mobile-tabbar a.active svg {
      fill: var(--accent);
      stroke: var(--accent);
    }

    /* ========== 焦点可见性 ========== */
    :focus-visible {
      outline: 2px solid var(--primary);
      outline-offset: 2px;
    }

    /* ========== 面包屑 ========== */
    .breadcrumb {
      padding: 24px 0;
      font-size: 12px;
      color: var(--secondary);
    }

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

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

    .breadcrumb .sep {
      margin: 0 8px;
      color: #C0C7C3;
    }

    .breadcrumb .current {
      color: var(--secondary);
      font-weight: 500;
    }

    /* ========== 响应式 ========== */
    @media (max-width: 1023px) {
      .desktop-nav {
        display: none;
      }

      .burger-btn {
        display: flex;
      }

      .mobile-menu.open,
      .menu-overlay.show {
        display: block;
      }

      .mobile-tabbar {
        display: block;
      }

      body {
        padding-bottom: 64px;
      }

      .hero {
        padding: 56px 0 72px;
      }

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

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

      .hero-metrics {
        grid-template-columns: 1fr 1fr;
      }

      .margin-bottom-none {
        margin-bottom: 0;
      }
    }

    @media (max-width: 820px) {
      .dashboard-grid {
        grid-template-columns: 1fr 1fr;
      }

      .service-grid-top {
        grid-template-columns: 1fr;
        margin-bottom: 24px;
      }

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

      .service-card-large {
        flex-direction: column;
        gap: 14px;
      }

      .comparison-grid {
        grid-template-columns: 1fr;
        gap: 20px;
      }

      .vs-badge {
        left: 50%;
        top: auto;
        bottom: -24px;
        transform: translateX(-50%);
      }

      .news-grid {
        grid-template-columns: 1fr;
      }

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

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

    @media (max-width: 520px) {
      .container {
        padding: 0 16px;
      }

      .section {
        padding: var(--spacing-mobile) 0;
      }

      .dashboard {
        padding: 48px 0;
      }

      .hero {
        min-height: 80vh;
        padding: 48px 0 80px;
      }

      .hero h1 {
        font-size: 28px;
      }

      .hero-sub {
        font-size: 15px;
      }

      .dashboard-grid {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
      }

      .dashboard-number {
        font-size: 40px;
      }

      .dashboard-card {
        padding: 20px 16px;
      }

      .section-header h2 {
        font-size: 22px;
      }

      .service-card-large,
      .service-card-small {
        padding: 20px;
      }

      .comparison-column {
        padding: 24px 20px;
      }

      .form-row {
        grid-template-columns: 1fr;
      }

      .conversion-card {
        padding: 24px 20px;
      }

      .footer-grid {
        grid-template-columns: 1fr;
        gap: 28px;
      }

      .footer-bottom {
        flex-direction: column;
        text-align: center;
        gap: 8px;
      }

      .trust-list {
        gap: 20px;
      }

      .btn {
        width: 100%;
      }

      .text-link {
        justify-content: flex-start;
        width: auto;
      }

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