/* roulang page: index */
:root {
  --primary: #0E7763;
  --primary-dark: #0A5C4C;
  --primary-light: #E8F5F1;
  --accent: #E8651A;
  --accent-dark: #C9530F;
  --bg: #F7F5F2;
  --card: #FFFFFF;
  --dark: #10202E;
  --text: #162029;
  --text2: #3A454E;
  --muted: #6B7580;
  --border: #E5E7EB;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow-md: 0 8px 24px rgba(0,0,0,0.08);
  --shadow-lg: 0 16px 40px rgba(0,0,0,0.1);
  --font-sans: "Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
}
* { 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;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; font-family: inherit; }
input { font-family: inherit; }
.container { max-width: 1280px; margin: 0 auto; padding: 0 1rem; }
@media (min-width: 768px) { .container { padding: 0 1.5rem; } }
@media (min-width: 1024px) { .container { padding: 0 2rem; } }

/* ===== Alert 通告条 ===== */
.alert-bar {
  background: var(--dark);
  color: rgba(255,255,255,0.9);
  font-size: 13px;
  padding: 10px 0;
  position: relative;
}
.alert-bar .container {
  display: flex;
  align-items: center;
  gap: 12px;
  justify-content: center;
}
.alert-bar i {
  color: #FFC94A;
}
.alert-bar .close-alert {
  background: none;
  border: none;
  color: rgba(255,255,255,0.6);
  font-size: 16px;
  line-height: 1;
  padding: 4px;
  transition: color 0.2s;
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
}
.alert-bar .close-alert:hover { color: #fff; }

/* ===== Header 双层导航 ===== */
.site-header {
  background: #fff;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 1px 0 rgba(0,0,0,0.02);
}
.header-top {
  height: 64px;
  display: flex;
  align-items: center;
  gap: 24px;
}
.logo-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-mark {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), #1BA88C);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 18px;
  box-shadow: 0 2px 8px rgba(14,119,99,0.3);
}
.logo-text {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: 0.5px;
  white-space: nowrap;
}
.logo-text span { color: var(--primary); }
.header-search {
  flex: 1;
  max-width: 420px;
  position: relative;
}
.header-search input {
  width: 100%;
  height: 40px;
  border-radius: 20px;
  border: 1px solid transparent;
  background: #F1EFEB;
  padding: 0 44px 0 16px;
  font-size: 14px;
  color: var(--text);
  outline: none;
  transition: border 0.2s, box-shadow 0.2s, background 0.2s;
}
.header-search input:focus {
  background: #fff;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(14,119,99,0.12);
}
.header-search .search-icon {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--muted);
  font-size: 14px;
  pointer-events: none;
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-left: auto;
  flex-shrink: 0;
}
.btn-login {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 40px;
  padding: 0 22px;
  border-radius: 8px;
  background: var(--primary);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  border: none;
  transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
  box-shadow: 0 2px 8px rgba(14,119,99,0.25);
}
.btn-login:hover { background: var(--primary-dark); transform: translateY(-1px); box-shadow: 0 4px 14px rgba(14,119,99,0.3); }
.btn-login:active { transform: scale(0.97); }
.btn-login:focus { outline: 2px solid rgba(14,119,99,0.4); outline-offset: 2px; }
.help-link {
  font-size: 14px;
  color: var(--muted);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 10px;
  border-radius: 8px;
  transition: color 0.2s, background 0.2s;
}
.help-link:hover { color: var(--primary); background: var(--primary-light); }
.menu-btn {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: #fff;
  font-size: 16px;
  color: var(--text);
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
}
.menu-btn:hover { background: #F5F3F0; }
.nav-bottom {
  border-top: 1px solid #F0EEEB;
  background: #FCFBFA;
}
.nav-tabs {
  height: 48px;
  display: flex;
  align-items: center;
  gap: 4px;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.nav-tabs::-webkit-scrollbar { display: none; }
.nav-tab {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 36px;
  padding: 0 16px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text2);
  white-space: nowrap;
  transition: color 0.2s, background 0.2s;
}
.nav-tab i { font-size: 13px; color: var(--muted); transition: color 0.2s; }
.nav-tab:hover { color: var(--primary); background: var(--primary-light); }
.nav-tab:hover i { color: var(--primary); }
.nav-tab.active {
  color: var(--primary);
  background: var(--primary-light);
  font-weight: 600;
}
.nav-tab.active i { color: var(--primary); }

/* ===== Hero 直播预告 ===== */
.hero-section {
  position: relative;
  padding: 56px 0 64px;
  background: var(--bg);
  overflow: hidden;
}
.hero-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center;
  opacity: 0.06;
  pointer-events: none;
}
.hero-section .container { position: relative; }
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(232,101,26,0.1);
  color: var(--accent);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 18px;
}
.hero-tag i { font-size: 12px; }
.hero-title {
  font-size: 38px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--text);
  letter-spacing: 0.5px;
  margin-bottom: 14px;
}
.hero-sub {
  font-size: 16px;
  color: var(--text2);
  line-height: 1.8;
  margin-bottom: 24px;
  max-width: 560px;
}
.hero-cover {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  aspect-ratio: 16/9;
}
.hero-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.hero-cover:hover img { transform: scale(1.03); }
.hero-cover .gradient-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(16,32,46,0.7) 0%, rgba(16,32,46,0.1) 50%, transparent 100%);
  pointer-events: none;
}
.live-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--accent);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.8px;
  padding: 5px 12px;
  border-radius: 999px;
  box-shadow: 0 2px 10px rgba(232,101,26,0.4);
}
.live-badge .dot {
  width: 6px;
  height: 6px;
  background: #fff;
  border-radius: 50%;
  animation: pulse 1.2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}
.hero-cover .cover-footer {
  position: absolute;
  bottom: 16px;
  left: 16px;
  right: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: #fff;
  font-size: 13px;
}
.hero-cover .cover-footer i { margin-right: 4px; }
.countdown-wrap {
  background: var(--dark);
  border-radius: 14px;
  padding: 18px 20px;
  margin-bottom: 22px;
}
.countdown-label {
  color: rgba(255,255,255,0.75);
  font-size: 13px;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.countdown-blocks { display: flex; gap: 10px; }
.countdown-block {
  background: rgba(255,255,255,0.1);
  border-radius: 10px;
  padding: 10px 14px;
  text-align: center;
  min-width: 64px;
  flex: 1;
}
.countdown-num {
  font-family: "DIN Alternate","Roboto",monospace;
  font-size: 28px;
  font-weight: 700;
  color: #fff;
  line-height: 1.2;
  display: block;
}
.countdown-unit {
  font-size: 11px;
  color: rgba(255,255,255,0.6);
  margin-top: 2px;
  display: block;
}
.highlights-list {
  list-style: none;
  margin: 0 0 24px;
  display: grid;
  gap: 10px;
}
.highlights-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: var(--text2);
  line-height: 1.7;
}
.highlights-list .item-icon {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  flex-shrink: 0;
  margin-top: 4px;
}
.hero-btns { display: flex; gap: 12px; flex-wrap: wrap; }
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 44px;
  padding: 0 24px;
  border-radius: 8px;
  background: var(--primary);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  border: none;
  transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
  box-shadow: 0 3px 12px rgba(14,119,99,0.25);
}
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-1px); }
.btn-primary:active { transform: scale(0.98); }
.btn-primary:focus { outline: 2px solid rgba(14,119,99,0.4); outline-offset: 2px; }
.btn-accent {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 44px;
  padding: 0 24px;
  border-radius: 8px;
  background: var(--accent);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  border: none;
  transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
  box-shadow: 0 3px 12px rgba(232,101,26,0.3);
}
.btn-accent:hover { background: var(--accent-dark); transform: translateY(-1px) scale(1.01); }
.btn-accent:active { transform: scale(0.98); }
.btn-accent:focus { outline: 2px solid rgba(232,101,26,0.4); outline-offset: 2px; }
.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 44px;
  padding: 0 24px;
  border-radius: 8px;
  background: transparent;
  color: var(--primary);
  font-size: 14px;
  font-weight: 600;
  border: 1.5px solid var(--primary);
  transition: background 0.2s, transform 0.15s;
}
.btn-outline:hover { background: var(--primary-light); transform: translateY(-1px); }
.btn-outline:active { transform: scale(0.98); }
.btn-outline:focus { outline: 2px solid rgba(14,119,99,0.3); outline-offset: 2px; }
.hero-note {
  margin-top: 16px;
  font-size: 12px;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 6px;
}

/* ===== Section 通用 ===== */
.section-padding { padding: 64px 0; }
@media (min-width: 768px) { .section-padding { padding: 80px 0; } }
.section-head {
  margin-bottom: 40px;
  text-align: center;
}
.section-eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--primary);
  background: var(--primary-light);
  padding: 5px 14px;
  border-radius: 999px;
  margin-bottom: 12px;
}
.section-title {
  font-size: 28px;
  font-weight: 700;
  line-height: 1.35;
  color: var(--text);
  margin-bottom: 10px;
}
.section-desc {
  font-size: 15px;
  color: var(--muted);
  max-width: 640px;
  margin: 0 auto;
  line-height: 1.8;
}

/* ===== 新闻卡片（CMS） ===== */
.news-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  transition: box-shadow 0.25s, transform 0.25s, border-color 0.25s;
  height: 100%;
  display: flex;
  flex-direction: column;
  position: relative;
}
.news-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
  border-color: rgba(14,119,99,0.3);
}
.news-card .card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}
.card-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 600;
  color: var(--primary);
  background: var(--primary-light);
  padding: 4px 12px;
  border-radius: 999px;
}
.card-date {
  font-size: 12px;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 4px;
}
.news-card h3 {
  font-size: 17px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--text);
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-card h3 a { transition: color 0.2s; }
.news-card h3 a:hover { color: var(--primary); }
.news-card p {
  font-size: 14px;
  color: var(--text2);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}
.news-card .read-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 16px;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  transition: gap 0.2s;
}
.news-card .read-more:hover { gap: 10px; }
.empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: 48px 20px;
  background: #faf8f6;
  border: 1px dashed #ddd;
  border-radius: var(--radius);
  color: var(--muted);
  font-size: 15px;
}

/* ===== 服务亮点 ===== */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(1, 1fr);
  gap: 24px;
}
@media (min-width: 640px) { .feature-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .feature-grid { grid-template-columns: repeat(4, 1fr); } }
.feature-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: box-shadow 0.25s, transform 0.25s, border-color 0.25s;
  text-align: left;
}
.feature-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
  border-color: rgba(14,119,99,0.3);
}
.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  margin-bottom: 18px;
  transition: background 0.25s, transform 0.25s;
}
.feature-card:hover .feature-icon { background: var(--primary); color: #fff; transform: scale(1.05); }
.feature-card h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
}
.feature-card p {
  font-size: 14px;
  color: var(--text2);
  line-height: 1.7;
}

/* ===== 分类入口 ===== */
.category-grid {
  display: grid;
  grid-template-columns: repeat(1, 1fr);
  gap: 28px;
}
@media (min-width: 768px) { .category-grid { grid-template-columns: repeat(3, 1fr); } }
.category-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  transition: box-shadow 0.3s, transform 0.3s;
  display: flex;
  flex-direction: column;
}
.category-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.category-cover {
  height: 180px;
  overflow: hidden;
  position: relative;
}
.category-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.category-card:hover .category-cover img { transform: scale(1.05); }
.category-cover::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(16,32,46,0) 40%, rgba(16,32,46,0.35) 100%);
  pointer-events: none;
}
.category-body { padding: 24px; display: flex; flex-direction: column; flex: 1; }
.category-body h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 10px;
}
.category-body p {
  font-size: 14px;
  color: var(--text2);
  line-height: 1.7;
  flex: 1;
  margin-bottom: 18px;
}
.category-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  transition: gap 0.2s;
}
.category-link:hover { gap: 12px; }

/* ===== FAQ ===== */
.faq-wrap {
  max-width: 800px;
  margin: 0 auto;
}
.faq-item {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 14px;
  overflow: hidden;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.faq-item:hover { border-color: rgba(14,119,99,0.3); }
.faq-item.active { border-color: rgba(14,119,99,0.4); box-shadow: var(--shadow-sm); }
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 22px;
  background: none;
  border: none;
  text-align: left;
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  transition: color 0.2s;
}
.faq-question:hover { color: var(--primary); }
.faq-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  flex-shrink: 0;
  transition: transform 0.3s, background 0.3s, color 0.3s;
}
.faq-item.active .faq-icon {
  transform: rotate(45deg);
  background: var(--primary);
  color: #fff;
}
.faq-answer {
  padding: 0 22px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.3s ease, opacity 0.3s;
  opacity: 0;
}
.faq-item.active .faq-answer {
  padding: 0 22px 20px;
  max-height: 400px;
  opacity: 1;
}
.faq-answer p {
  font-size: 14px;
  line-height: 1.8;
  color: var(--text2);
  border-top: 1px solid #F0EEEB;
  padding-top: 14px;
}

/* ===== CTA ===== */
.cta-section {
  background: var(--dark);
  position: relative;
  padding: 64px 0;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-3.png');
  background-size: cover;
  background-position: center;
  opacity: 0.08;
  pointer-events: none;
}
.cta-section .container { position: relative; text-align: center; }
.cta-title {
  font-size: 30px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
  line-height: 1.4;
}
.cta-sub {
  font-size: 15px;
  color: rgba(255,255,255,0.7);
  max-width: 560px;
  margin: 0 auto 28px;
  line-height: 1.8;
}
.cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  height: 48px;
  padding: 0 36px;
  border-radius: 10px;
  background: var(--accent);
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  border: none;
  transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
  box-shadow: 0 4px 20px rgba(232,101,26,0.35);
}
.cta-btn:hover { background: #F07A30; transform: scale(1.02); }
.cta-btn:active { transform: scale(0.98); }
.cta-btn:focus { outline: 2px solid rgba(232,101,26,0.6); outline-offset: 2px; }

/* ===== Footer ===== */
.site-footer {
  background: #0C1A26;
  color: rgba(255,255,255,0.7);
  padding: 60px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  padding-bottom: 44px;
}
@media (min-width: 768px) { .footer-grid { grid-template-columns: repeat(4, 1fr); } }
.footer-brand .logo-wrap { margin-bottom: 14px; }
.footer-brand .logo-text { color: #fff; font-size: 17px; }
.footer-brand p {
  font-size: 13px;
  line-height: 1.8;
  color: rgba(255,255,255,0.55);
  max-width: 240px;
}
.footer-col h4 {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 16px;
}
.footer-col ul { list-style: none; display: grid; gap: 10px; }
.footer-col ul li a {
  font-size: 13px;
  color: rgba(255,255,255,0.6);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color 0.2s, padding-left 0.2s;
}
.footer-col ul li a:hover { color: #fff; padding-left: 4px; }
.footer-col ul li a i { font-size: 11px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 22px 0;
  font-size: 13px;
  color: rgba(255,255,255,0.4);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.footer-bottom a { color: rgba(255,255,255,0.5); transition: color 0.2s; }
.footer-bottom a:hover { color: #fff; }

/* ===== 响应式 ===== */
@media (max-width: 1023px) {
  .hero-title { font-size: 32px; }
  .hero-section { padding: 44px 0 56px; }
  .hero-cover { margin-bottom: 32px; }
}
@media (max-width: 767px) {
  .header-top { height: 60px; gap: 12px; }
  .header-search { display: none; }
  .menu-btn { display: flex; }
  .help-link { display: none; }
  .hero-title { font-size: 26px; }
  .hero-sub { font-size: 14px; }
  .section-title { font-size: 24px; }
  .countdown-block { padding: 8px 10px; min-width: 52px; }
  .countdown-num { font-size: 22px; }
  .cta-title { font-size: 24px; }
  .footer-grid { gap: 24px; }
}
@media (max-width: 520px) {
  .btn-login span { display: inline; }
  .hero-btns .btn-accent, .hero-btns .btn-outline { width: 100%; justify-content: center; }
  .countdown-block { min-width: 46px; }
  .section-padding { padding: 48px 0; }
}

/* roulang page: article */
:root {
            --primary: #0E7763;
            --primary-hover: #0A5F4F;
            --accent: #E8651A;
            --accent-hover: #CF5310;
            --bg-warm: #F7F5F2;
            --bg-white: #FFFFFF;
            --dark: #10202E;
            --title: #162029;
            --text: #3A454E;
            --text-muted: #6B7580;
            --border: #E5E7EB;
            --success: #2E9E5B;
            --error: #C93A3A;
            --radius: 12px;
            --radius-sm: 8px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
            --font-sans: "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
            --font-num: "DIN Alternate", "Roboto", "Inter", sans-serif;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-sans);
            background: var(--bg-warm);
            color: var(--text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        a {
            text-decoration: none;
            color: inherit;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        ul,
        ol {
            list-style: none;
        }
        button {
            font-family: inherit;
            border: none;
            background: none;
            cursor: pointer;
        }
        input {
            font-family: inherit;
            outline: none;
        }
        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .announce-bar {
            background: var(--dark);
            color: rgba(255, 255, 255, 0.9);
            font-size: 13px;
            padding: 10px 0;
            position: relative;
            z-index: 100;
        }
        .announce-bar .container {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
        }
        .announce-bar i {
            color: var(--accent);
        }
        .announce-close {
            position: absolute;
            right: 16px;
            top: 50%;
            transform: translateY(-50%);
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            transition: color .2s;
        }
        .announce-close:hover {
            color: #fff;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 90;
            background: #fff;
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.04);
        }
        .header-top {
            height: 64px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }
        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-mark {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--primary), #12a689);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            box-shadow: 0 2px 8px rgba(14, 119, 99, 0.3);
        }
        .logo-text {
            font-size: 20px;
            font-weight: 700;
            color: var(--title);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .logo-text span {
            color: var(--primary);
        }
        .header-search {
            flex: 1;
            max-width: 420px;
            position: relative;
        }
        .header-search input {
            width: 100%;
            height: 42px;
            border-radius: 21px;
            border: 1px solid transparent;
            background: #F0F2F4;
            padding: 0 44px 0 18px;
            font-size: 14px;
            color: var(--text);
            transition: all .25s;
        }
        .header-search input:focus {
            background: #fff;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(14, 119, 99, 0.12);
        }
        .header-search .search-icon {
            position: absolute;
            right: 16px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-muted);
            font-size: 15px;
            pointer-events: none;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-shrink: 0;
        }
        .help-link {
            font-size: 14px;
            color: var(--text-muted);
            transition: color .2s;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .help-link:hover {
            color: var(--primary);
        }
        .btn-login {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--primary);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            padding: 9px 20px;
            border-radius: var(--radius-sm);
            transition: all .25s;
            box-shadow: 0 2px 6px rgba(14, 119, 99, 0.25);
        }
        .btn-login:hover {
            background: var(--primary-hover);
            box-shadow: 0 4px 12px rgba(14, 119, 99, 0.3);
            transform: translateY(-1px);
        }
        .menu-btn {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 8px;
            background: #f0f2f4;
            color: var(--title);
            font-size: 16px;
            align-items: center;
            justify-content: center;
        }

        .nav-bottom {
            border-top: 1px solid #f0f0f0;
            background: #fff;
        }
        .nav-tabs {
            display: flex;
            align-items: center;
            gap: 4px;
            height: 50px;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }
        .nav-tabs::-webkit-scrollbar {
            display: none;
        }
        .nav-tab {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 0 18px;
            height: 50px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-muted);
            border-bottom: 2px solid transparent;
            white-space: nowrap;
            transition: all .2s;
        }
        .nav-tab i {
            font-size: 13px;
            opacity: .8;
        }
        .nav-tab:hover {
            color: var(--primary);
            background: rgba(14, 119, 99, 0.04);
        }
        .nav-tab.active {
            color: var(--primary);
            font-weight: 600;
            border-bottom-color: var(--primary);
        }

        .breadcrumb {
            padding: 16px 0 0;
            font-size: 13px;
            color: var(--text-muted);
        }
        .breadcrumb .container {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            transition: color .2s;
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb i {
            font-size: 10px;
            opacity: .5;
        }
        .breadcrumb .current {
            color: var(--title);
            font-weight: 500;
            max-width: 320px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .article-wrap {
            padding: 40px 0 64px;
        }
        .article-card {
            background: #fff;
            border-radius: 16px;
            border: 1px solid var(--border);
            padding: 48px 56px;
            box-shadow: var(--shadow-sm);
            max-width: 860px;
            margin: 0 auto;
        }
        .article-title {
            font-size: 32px;
            font-weight: 700;
            color: var(--title);
            line-height: 1.35;
            margin-bottom: 20px;
        }
        .article-meta {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 18px;
            padding-bottom: 24px;
            border-bottom: 1px solid #f0f0f0;
            margin-bottom: 32px;
            font-size: 13px;
            color: var(--text-muted);
        }
        .article-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .article-meta i {
            color: var(--primary);
            font-size: 13px;
        }
        .meta-cat {
            background: rgba(14, 119, 99, 0.08);
            color: var(--primary);
            padding: 3px 12px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
        }

        .article-body {
            font-size: 17px;
            line-height: 1.9;
            color: var(--text);
            word-break: break-word;
        }
        .article-body p {
            margin-bottom: 1.5em;
        }
        .article-body h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--title);
            margin: 2em 0 0.8em;
            line-height: 1.4;
            padding-left: 14px;
            border-left: 4px solid var(--primary);
        }
        .article-body h3 {
            font-size: 20px;
            font-weight: 600;
            color: var(--title);
            margin: 1.6em 0 0.6em;
            line-height: 1.4;
        }
        .article-body h4 {
            font-size: 17px;
            font-weight: 600;
            color: var(--title);
            margin: 1.4em 0 0.5em;
        }
        .article-body ul,
        .article-body ol {
            padding-left: 1.2em;
            margin: 1em 0 1.5em;
        }
        .article-body ul li {
            list-style: disc;
            margin-bottom: 0.5em;
            padding-left: 0.2em;
        }
        .article-body ol li {
            list-style: decimal;
            margin-bottom: 0.5em;
            padding-left: 0.2em;
        }
        .article-body blockquote {
            border-left: 4px solid var(--primary);
            background: rgba(14, 119, 99, 0.05);
            padding: 16px 20px;
            margin: 1.5em 0;
            border-radius: 0 10px 10px 0;
            color: var(--title);
            font-size: 15px;
            line-height: 1.8;
        }
        .article-body img {
            border-radius: var(--radius);
            margin: 1.5em 0;
            box-shadow: var(--shadow-sm);
        }
        .article-body a {
            color: var(--primary);
            font-weight: 500;
            border-bottom: 1px solid rgba(14, 119, 99, 0.3);
            transition: border-color .2s;
        }
        .article-body a:hover {
            border-bottom-color: var(--primary);
        }
        .article-body code {
            background: #f5f5f5;
            padding: 2px 8px;
            border-radius: 4px;
            font-size: 14px;
            color: #d35400;
        }
        .article-body pre {
            background: var(--dark);
            color: #e8e8e8;
            padding: 18px 22px;
            border-radius: var(--radius);
            overflow-x: auto;
            margin: 1.5em 0;
            font-size: 14px;
            line-height: 1.6;
        }
        .article-body pre code {
            background: transparent;
            color: inherit;
            padding: 0;
        }
        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5em 0;
            font-size: 15px;
        }
        .article-body table th {
            background: #f8f9fa;
            font-weight: 600;
            color: var(--title);
            text-align: left;
            padding: 12px 14px;
            border: 1px solid #eef0f2;
        }
        .article-body table td {
            padding: 11px 14px;
            border: 1px solid #eef0f2;
        }
        .article-body hr {
            border: none;
            border-top: 1px solid var(--border);
            margin: 2em 0;
        }

        .article-not-found {
            text-align: center;
            padding: 60px 20px;
        }
        .article-not-found i {
            font-size: 42px;
            color: var(--accent);
            margin-bottom: 18px;
        }
        .article-not-found h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--title);
            margin-bottom: 10px;
        }
        .article-not-found p {
            color: var(--text-muted);
            margin-bottom: 24px;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            padding: 11px 28px;
            border-radius: var(--radius-sm);
            transition: all .25s;
            box-shadow: 0 2px 8px rgba(14, 119, 99, 0.25);
        }
        .btn-primary:hover {
            background: var(--primary-hover);
            box-shadow: 0 4px 14px rgba(14, 119, 99, 0.35);
            transform: translateY(-1px);
        }

        .article-footer-tip {
            margin-top: 40px;
            padding: 18px 20px;
            background: #f8faf9;
            border-radius: var(--radius);
            border: 1px solid #eef0f2;
            font-size: 13px;
            color: var(--text-muted);
            display: flex;
            align-items: flex-start;
            gap: 12px;
        }
        .article-footer-tip i {
            color: var(--primary);
            font-size: 16px;
            margin-top: 2px;
        }

        .recommend {
            padding: 56px 0 0;
            max-width: 860px;
            margin: 0 auto;
        }
        .recommend-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 28px;
        }
        .recommend-header h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--title);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .recommend-header h2 i {
            color: var(--primary);
            font-size: 20px;
        }
        .recommend-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .rec-card {
            background: #fff;
            border-radius: var(--radius);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: all .25s;
            box-shadow: var(--shadow-sm);
        }
        .rec-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: rgba(14, 119, 99, 0.3);
        }
        .rec-card .rec-img {
            position: relative;
            aspect-ratio: 16/9;
            overflow: hidden;
        }
        .rec-card .rec-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s;
        }
        .rec-card:hover .rec-img img {
            transform: scale(1.04);
        }
        .rec-card .rec-body {
            padding: 18px 20px 22px;
        }
        .rec-card .rec-body h3 {
            font-size: 16px;
            font-weight: 600;
            color: var(--title);
            line-height: 1.5;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .rec-card .rec-body p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 12px;
        }
        .rec-card .rec-link {
            font-size: 13px;
            color: var(--primary);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap .2s;
        }
        .rec-card .rec-link:hover {
            gap: 8px;
        }

        .back-action {
            text-align: center;
            padding: 40px 0 0;
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #fff;
            color: var(--primary);
            font-size: 15px;
            font-weight: 600;
            padding: 11px 28px;
            border-radius: var(--radius-sm);
            border: 1.5px solid var(--primary);
            transition: all .25s;
        }
        .btn-outline:hover {
            background: rgba(14, 119, 99, 0.06);
            transform: translateY(-1px);
        }

        .site-cta {
            background: var(--dark);
            padding: 64px 0;
            margin-top: 64px;
            position: relative;
            overflow: hidden;
        }
        .site-cta::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: radial-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px);
            background-size: 22px 22px;
        }
        .site-cta .container {
            position: relative;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
        }
        .cta-text h2 {
            font-size: 28px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }
        .cta-text p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 15px;
        }
        .cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent);
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            padding: 13px 32px;
            border-radius: var(--radius-sm);
            box-shadow: 0 4px 14px rgba(232, 101, 26, 0.35);
            transition: all .25s;
        }
        .cta-btn:hover {
            background: var(--accent-hover);
            transform: scale(1.03);
            box-shadow: 0 6px 20px rgba(232, 101, 26, 0.4);
        }

        .site-footer {
            background: #0c1a24;
            padding: 64px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 48px;
        }
        .footer-brand .logo-wrap {
            margin-bottom: 16px;
        }
        .footer-brand p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.55);
            line-height: 1.7;
            max-width: 280px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 20px;
        }
        .footer-col li {
            margin-bottom: 12px;
        }
        .footer-col li a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.55);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all .2s;
        }
        .footer-col li a i {
            font-size: 10px;
            opacity: .4;
        }
        .footer-col li a:hover {
            color: #fff;
            padding-left: 4px;
        }
        .footer-col li {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.55);
            display: flex;
            align-items: flex-start;
            gap: 6px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 20px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }
        .footer-bottom span {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.35);
        }

        @media (max-width: 1024px) {
            .article-card {
                padding: 36px 32px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .header-search {
                max-width: 280px;
            }
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
            .announce-bar .container {
                justify-content: center;
                padding-right: 44px;
            }
            .header-search {
                display: none;
            }
            .help-link {
                display: none;
            }
            .menu-btn {
                display: flex;
            }
            .nav-tabs {
                height: 46px;
            }
            .nav-tab {
                height: 46px;
                padding: 0 14px;
                font-size: 13px;
            }
            .article-card {
                padding: 28px 20px;
                border-radius: 12px;
            }
            .article-title {
                font-size: 24px;
            }
            .article-body {
                font-size: 16px;
                line-height: 1.85;
            }
            .recommend-grid {
                grid-template-columns: 1fr;
            }
            .recommend-header {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .site-cta {
                padding: 48px 0;
            }
            .site-cta .container {
                flex-direction: column;
                text-align: center;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .breadcrumb .current {
                max-width: 160px;
            }
        }
        @media (max-width: 520px) {
            .logo-text {
                font-size: 17px;
            }
            .logo-mark {
                width: 34px;
                height: 34px;
                font-size: 15px;
            }
            .btn-login {
                padding: 8px 14px;
                font-size: 13px;
            }
            .article-title {
                font-size: 21px;
            }
            .article-meta {
                gap: 10px;
                font-size: 12px;
            }
        }

/* roulang page: category1 */
:root {
    --primary: #0E7763;
    --primary-dark: #0A5C4D;
    --accent: #E8651A;
    --bg: #F7F5F2;
    --white: #FFFFFF;
    --dark: #10202E;
    --heading: #162029;
    --body: #3A454E;
    --muted: #6B7580;
    --border: #E5E7EB;
    --success: #2E9E5B;
    --error: #C93A3A;
    --radius: 12px;
    --shadow-sm: 0 2px 6px rgba(16,32,46,.06);
    --shadow-md: 0 10px 30px rgba(16,32,46,.10);
    --transition: .25s ease;
  }

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

  html {
    scroll-behavior: smooth;
  }

  body {
    font-family: "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
    background: var(--bg);
    color: var(--body);
    line-height: 1.75;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
  }

  a {
    color: var(--primary);
    text-decoration: none;
    transition: color var(--transition);
  }

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

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

  ul {
    list-style: none;
  }

  .container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 16px;
  }
  @media (min-width: 768px) {
    .container { padding-left: 24px; padding-right: 24px; }
  }
  @media (min-width: 1024px) {
    .container { padding-left: 32px; padding-right: 32px; }
  }

  /* ===== Header ===== */
  .site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: var(--white);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 1px 4px rgba(16,32,46,.04);
  }

  .header-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    height: 64px;
    flex-wrap: wrap;
  }

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

  .logo-mark {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--primary), #12A88E);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 17px;
    box-shadow: 0 4px 10px rgba(14,119,99,.3);
  }

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

  .header-search {
    flex: 0 1 360px;
    position: relative;
    display: flex;
    align-items: center;
  }
  .header-search input {
    width: 100%;
    height: 40px;
    border: 1px solid var(--border);
    border-radius: 20px;
    background: #F1EFEC;
    padding: 0 40px 0 16px;
    font-size: 14px;
    color: var(--heading);
    outline: none;
    transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
  }
  .header-search input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(14,119,99,.12);
    background: #fff;
  }
  .search-icon {
    position: absolute;
    right: 14px;
    color: var(--muted);
    font-size: 14px;
    pointer-events: none;
  }

  .header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-shrink: 0;
  }

  .help-link {
    font-size: 14px;
    color: var(--heading);
    display: flex;
    align-items: center;
    gap: 6px;
    font-weight: 500;
  }
  .help-link:hover {
    color: var(--primary);
  }

  .btn-login {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--primary);
    color: #fff;
    font-size: 14px;
    font-weight: 600;
    height: 40px;
    padding: 0 20px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(14,119,99,.25);
    transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  }
  .btn-login:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(14,119,99,.3);
  }

  .menu-btn {
    display: none;
    width: 40px;
    height: 40px;
    border-radius: 8px;
    background: transparent;
    color: var(--heading);
    font-size: 18px;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border);
    transition: border-color var(--transition), color var(--transition);
  }
  .menu-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
  }

  .nav-bottom {
    background: var(--white);
    border-top: 1px solid #F0EDE9;
  }

  .nav-tabs {
    display: flex;
    gap: 4px;
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
    padding: 8px 0;
    -webkit-overflow-scrolling: touch;
  }
  .nav-tabs::-webkit-scrollbar {
    display: none;
  }

  .nav-tab {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 9px 18px;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 500;
    color: var(--muted);
    white-space: nowrap;
    transition: background var(--transition), color var(--transition);
  }
  .nav-tab:hover {
    color: var(--primary);
    background: rgba(14,119,99,.06);
  }
  .nav-tab.active {
    color: var(--primary);
    background: rgba(14,119,99,.1);
    font-weight: 600;
  }

  @media (max-width: 767px) {
    .header-search {
      display: none;
      order: 3;
      width: 100%;
      flex: 0 0 100%;
      margin-bottom: 10px;
    }
    .header-search.mobile-open {
      display: flex;
    }
    .help-link {
      display: none;
    }
    .menu-btn {
      display: flex;
    }
    .header-actions {
      gap: 10px;
    }
    .btn-login {
      padding: 0 14px;
    }
  }

  /* ===== Hero ===== */
  .page-hero {
    position: relative;
    color: #fff;
    background-size: cover;
    background-position: center;
    padding: 80px 0 64px;
  }
  .page-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, rgba(16,32,46,.94), rgba(16,32,46,.74) 60%, rgba(14,119,99,.55));
  }

  .hero-content {
    position: relative;
    z-index: 1;
    max-width: 760px;
  }

  .hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255,255,255,.14);
    border: 1px solid rgba(255,255,255,.25);
    backdrop-filter: blur(4px);
    padding: 7px 16px;
    border-radius: 999px;
    font-size: 13px;
    letter-spacing: 1px;
    margin-bottom: 18px;
  }
  .hero-badge .dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--accent);
    animation: pulse 2s infinite;
  }
  @keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: .4; }
  }

  .hero-title {
    font-size: 42px;
    line-height: 1.3;
    font-weight: 700;
    color: #fff;
    margin-bottom: 14px;
    letter-spacing: 1px;
  }
  .hero-title span {
    color: #67D5B9;
  }

  .hero-sub {
    font-size: 16px;
    line-height: 1.9;
    color: rgba(255,255,255,.85);
    margin-bottom: 28px;
    max-width: 620px;
  }

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

  .btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--accent);
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    height: 46px;
    padding: 0 28px;
    border-radius: 10px;
    box-shadow: 0 6px 18px rgba(232,101,26,.35);
    transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  }
  .btn-primary:hover {
    background: #D45A12;
    transform: translateY(-2px);
    box-shadow: 0 8px 22px rgba(232,101,26,.4);
  }

  .btn-outline {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: transparent;
    color: #fff;
    font-size: 15px;
    font-weight: 500;
    height: 46px;
    padding: 0 26px;
    border-radius: 10px;
    border: 1px solid rgba(255,255,255,.5);
    transition: background var(--transition), border-color var(--transition);
  }
  .btn-outline:hover {
    background: rgba(255,255,255,.12);
    border-color: #fff;
  }

  .hero-meta {
    margin-top: 24px;
    font-size: 13px;
    color: rgba(255,255,255,.55);
    display: flex;
    align-items: center;
    gap: 8px;
  }

  .hero-stats {
    position: relative;
    z-index: 1;
    display: flex;
    flex-wrap: wrap;
    gap: 28px;
    margin-top: 46px;
    padding-top: 26px;
    border-top: 1px solid rgba(255,255,255,.14);
  }
  .hero-stat .num {
    font-size: 28px;
    font-weight: 700;
    color: #fff;
    line-height: 1.2;
    font-family: "DIN Alternate", "Roboto", "Inter", sans-serif;
  }
  .hero-stat .label {
    font-size: 13px;
    color: rgba(255,255,255,.6);
  }

  @media (max-width: 767px) {
    .page-hero {
      padding: 48px 0 44px;
    }
    .hero-title {
      font-size: 30px;
    }
    .hero-sub {
      font-size: 15px;
    }
    .hero-stats {
      gap: 18px;
      margin-top: 34px;
    }
    .hero-stat .num {
      font-size: 22px;
    }
  }

  /* ===== Section ===== */
  .section {
    padding: 72px 0;
  }
  @media (max-width: 767px) {
    .section {
      padding: 48px 0;
    }
  }

  .section-header {
    max-width: 680px;
    margin: 0 auto 44px;
    text-align: center;
  }
  @media (max-width: 767px) {
    .section-header {
      margin-bottom: 32px;
    }
  }

  .section-tag {
    display: inline-block;
    background: rgba(14,119,99,.08);
    color: var(--primary);
    font-size: 13px;
    font-weight: 600;
    padding: 5px 14px;
    border-radius: 999px;
    margin-bottom: 14px;
  }

  .section-title {
    font-size: 30px;
    font-weight: 700;
    color: var(--heading);
    line-height: 1.3;
    letter-spacing: .5px;
  }
  @media (max-width: 767px) {
    .section-title {
      font-size: 24px;
    }
  }

  .section-sub {
    font-size: 15px;
    color: var(--muted);
    margin-top: 12px;
    line-height: 1.75;
  }

  /* ===== Category Cards ===== */
  .cat-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
  }
  @media (min-width: 640px) {
    .cat-grid {
      grid-template-columns: repeat(2, 1fr);
    }
  }
  @media (min-width: 1024px) {
    .cat-grid {
      grid-template-columns: repeat(3, 1fr);
    }
  }

  .cat-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--transition), transform var(--transition);
    display: flex;
    flex-direction: column;
  }
  .cat-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
  }

  .cat-card-cover {
    position: relative;
    aspect-ratio: 16 / 9;
    overflow: hidden;
  }
  .cat-card-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .4s ease;
  }
  .cat-card:hover .cat-card-cover img {
    transform: scale(1.04);
  }

  .cat-badge {
    position: absolute;
    left: 14px;
    bottom: 12px;
    background: rgba(255,255,255,.94);
    color: var(--primary);
    font-size: 12px;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: 999px;
    box-shadow: 0 2px 8px rgba(16,32,46,.15);
  }

  .cat-card-body {
    padding: 22px;
    flex: 1;
    display: flex;
    flex-direction: column;
  }

  .cat-card-title {
    font-size: 19px;
    font-weight: 700;
    color: var(--heading);
    margin-bottom: 10px;
    line-height: 1.4;
  }
  .cat-card-title a {
    color: inherit;
  }
  .cat-card-title a:hover {
    color: var(--primary);
  }

  .cat-card-desc {
    font-size: 14px;
    color: var(--muted);
    line-height: 1.75;
    margin-bottom: 16px;
    flex: 1;
  }

  .cat-card-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 600;
    color: var(--primary);
  }
  .cat-card-link i {
    transition: transform var(--transition);
  }
  .cat-card-link:hover i {
    transform: translateX(4px);
  }

  /* ===== Timeline ===== */
  .timeline-wrap {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
    padding: 36px 32px;
    max-width: 880px;
    margin: 0 auto;
  }
  @media (max-width: 767px) {
    .timeline-wrap {
      padding: 24px 18px;
    }
  }

  .timeline {
    position: relative;
  }
  .timeline::before {
    content: "";
    position: absolute;
    left: 90px;
    top: 10px;
    bottom: 10px;
    width: 2px;
    background: #E8EAEC;
  }
  @media (max-width: 767px) {
    .timeline::before {
      left: 30px;
    }
  }

  .timeline-item {
    position: relative;
    display: flex;
    gap: 24px;
    padding: 22px 0;
    border-bottom: 1px dashed var(--border);
  }
  .timeline-item:last-child {
    border-bottom: none;
    padding-bottom: 4px;
  }
  @media (max-width: 767px) {
    .timeline-item {
      gap: 14px;
    }
  }

  .timeline-date {
    width: 70px;
    flex-shrink: 0;
    text-align: right;
    font-size: 14px;
    font-weight: 600;
    color: var(--accent);
    line-height: 1.4;
    padding-top: 2px;
  }
  @media (max-width: 767px) {
    .timeline-date {
      width: 42px;
      font-size: 12px;
      text-align: left;
    }
  }

  .timeline-dot {
    position: relative;
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    border-radius: 50%;
    border: 3px solid var(--primary);
    background: #fff;
    margin-top: 4px;
    z-index: 1;
  }

  .timeline-body {
    flex: 1;
  }

  .timeline-tag {
    display: inline-block;
    font-size: 11px;
    font-weight: 600;
    color: var(--primary);
    background: rgba(14,119,99,.08);
    padding: 2px 10px;
    border-radius: 999px;
    margin-bottom: 6px;
  }

  .timeline-title {
    font-size: 17px;
    font-weight: 600;
    color: var(--heading);
    margin-bottom: 6px;
    line-height: 1.4;
  }

  .timeline-desc {
    font-size: 14px;
    color: var(--muted);
    line-height: 1.7;
  }

  .notice-bar {
    max-width: 880px;
    margin: 24px auto 0;
    background: #FDF6EE;
    border: 1px solid #F3D9C0;
    border-radius: 12px;
    padding: 16px 20px;
    font-size: 14px;
    color: #8A4B1F;
    display: flex;
    gap: 10px;
    align-items: flex-start;
    line-height: 1.7;
  }
  .notice-bar i {
    margin-top: 3px;
    color: var(--accent);
    font-size: 15px;
  }

  /* ===== Media Block ===== */
  .media-block {
    display: grid;
    grid-template-columns: 1fr;
    gap: 36px;
    align-items: center;
  }
  @media (min-width: 992px) {
    .media-block {
      grid-template-columns: 1fr 1fr;
    }
  }

  .media-image {
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    position: relative;
  }
  .media-image img {
    width: 100%;
    height: auto;
    object-fit: cover;
  }

  .check-list {
    margin-top: 18px;
  }
  .check-list li {
    display: flex;
    gap: 12px;
    padding: 10px 0;
    font-size: 15px;
    color: var(--body);
    line-height: 1.75;
  }
  .check-list .check-icon {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
    border-radius: 50%;
    background: rgba(14,119,99,.1);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    margin-top: 3px;
  }

  /* ===== Steps ===== */
  .steps-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
  }
  @media (min-width: 640px) {
    .steps-grid {
      grid-template-columns: repeat(2, 1fr);
    }
  }
  @media (min-width: 1024px) {
    .steps-grid {
      grid-template-columns: repeat(4, 1fr);
    }
  }

  .step-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 26px 22px;
    position: relative;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition), box-shadow var(--transition);
  }
  .step-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
  }

  .step-num {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: var(--primary);
    color: #fff;
    font-size: 18px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 18px;
    box-shadow: 0 6px 14px rgba(14,119,99,.25);
  }

  .step-title {
    font-size: 17px;
    font-weight: 600;
    color: var(--heading);
    margin-bottom: 8px;
    line-height: 1.4;
  }

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

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

  .faq-item {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 14px;
    margin-bottom: 14px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--transition), border-color var(--transition);
  }
  .faq-item.open {
    box-shadow: var(--shadow-md);
    border-color: rgba(14,119,99,.35);
  }

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

  .faq-icon {
    width: 26px;
    height: 26px;
    flex-shrink: 0;
    border-radius: 50%;
    background: rgba(14,119,99,.08);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    transition: transform .3s ease, background .3s ease, color .3s ease;
  }
  .faq-item.open .faq-icon {
    background: var(--primary);
    color: #fff;
    transform: rotate(45deg);
  }

  .faq-answer {
    max-height: 0;
    overflow: hidden;
    padding: 0 24px;
    font-size: 15px;
    color: var(--body);
    line-height: 1.85;
    transition: max-height .35s ease, padding .35s ease;
  }
  .faq-item.open .faq-answer {
    max-height: 600px;
    padding-bottom: 22px;
  }

  /* ===== CTA ===== */
  .cta-section {
    background: linear-gradient(120deg, #10202E, #0E3B33);
    padding: 64px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
  }
  .cta-section::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: radial-gradient(rgba(255,255,255,.06) 1px, transparent 1px);
    background-size: 22px 22px;
  }

  .cta-inner {
    position: relative;
    max-width: 680px;
    margin: 0 auto;
  }

  .cta-title {
    font-size: 30px;
    font-weight: 700;
    color: #fff;
    line-height: 1.35;
    margin-bottom: 12px;
  }
  @media (max-width: 767px) {
    .cta-title {
      font-size: 24px;
    }
  }

  .cta-sub {
    font-size: 15px;
    color: rgba(255,255,255,.7);
    margin-bottom: 26px;
    line-height: 1.7;
  }

  .btn-accent {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--accent);
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    height: 48px;
    padding: 0 32px;
    border-radius: 10px;
    box-shadow: 0 8px 24px rgba(232,101,26,.35);
    transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  }
  .btn-accent:hover {
    background: #D45A12;
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 10px 28px rgba(232,101,26,.4);
  }

  /* ===== Footer ===== */
  .site-footer {
    background: var(--dark);
    color: rgba(255,255,255,.6);
    padding: 60px 0 0;
    font-size: 14px;
    line-height: 1.8;
  }

  .footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 36px;
    padding-bottom: 44px;
  }
  @media (min-width: 640px) {
    .footer-grid {
      grid-template-columns: 1fr 1fr;
    }
  }
  @media (min-width: 1024px) {
    .footer-grid {
      grid-template-columns: 1.4fr 1fr 1fr 1.1fr;
    }
  }

  .footer-brand .logo-text {
    color: #fff;
  }
  .footer-brand p {
    margin-top: 16px;
    color: rgba(255,255,255,.55);
    max-width: 320px;
    line-height: 1.8;
  }

  .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 {
    color: rgba(255,255,255,.55);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: color var(--transition);
  }
  .footer-col ul li a:hover {
    color: #fff;
  }
  .footer-col ul li i.fa-chevron-right {
    font-size: 10px;
    color: rgba(255,255,255,.4);
  }

  .footer-bottom {
    border-top: 1px solid rgba(255,255,255,.1);
    padding: 20px 0;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 8px;
    font-size: 13px;
    color: rgba(255,255,255,.4);
  }

/* roulang page: category2 */
:root {
            --primary: #0E7763;
            --primary-dark: #0A5F4F;
            --primary-light: rgba(14, 119, 99, .08);
            --accent: #E8651A;
            --accent-dark: #C95113;
            --bg: #F7F5F2;
            --dark: #10202E;
            --dark-2: #162938;
            --heading: #162029;
            --text: #3A454E;
            --muted: #6B7580;
            --border: #E5E7EB;
            --white: #FFFFFF;
            --success: #2E9E5B;
            --error: #C93A3A;
            --info: #2D6FB2;
            --radius: 12px;
            --radius-sm: 8px;
            --shadow-sm: 0 1px 3px rgba(16, 32, 46, .06);
            --shadow-md: 0 8px 24px rgba(16, 32, 46, .1);
            --font-cn: "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
            --font-num: "DIN Alternate", "Roboto", "Inter", sans-serif;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-cn);
            background: var(--bg);
            color: var(--text);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
        }
        button {
            font-family: inherit;
            border: none;
            background: none;
            cursor: pointer;
        }
        input {
            font-family: inherit;
        }
        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ===== Header ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: var(--white);
            box-shadow: 0 1px 0 var(--border);
        }
        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 16px;
        }
        .logo-wrap {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-mark {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--primary), #0A8A72);
            color: #fff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            box-shadow: 0 4px 12px rgba(14, 119, 99, .28);
        }
        .logo-text {
            font-size: 20px;
            font-weight: 700;
            color: var(--heading);
            letter-spacing: .5px;
            white-space: nowrap;
        }
        .logo-text span {
            color: var(--primary);
        }
        .header-search {
            flex: 1;
            max-width: 420px;
            position: relative;
            margin: 0 12px;
        }
        .header-search input {
            width: 100%;
            height: 40px;
            border-radius: 999px;
            border: 1px solid var(--border);
            background: #F5F4F1;
            padding: 0 42px 0 18px;
            font-size: 14px;
            color: var(--heading);
            transition: all .25s;
            outline: none;
        }
        .header-search input:focus {
            border-color: var(--primary);
            background: #fff;
            box-shadow: 0 0 0 3px rgba(14, 119, 99, .12);
        }
        .header-search .search-icon {
            position: absolute;
            right: 16px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--muted);
            font-size: 14px;
            pointer-events: none;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-shrink: 0;
        }
        .help-link {
            font-size: 14px;
            color: var(--muted);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: color .2s;
        }
        .help-link:hover {
            color: var(--primary);
        }
        .btn-login {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            height: 38px;
            padding: 0 18px;
            border-radius: 8px;
            background: var(--primary);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            transition: all .25s;
        }
        .btn-login:hover {
            background: var(--primary-dark);
            box-shadow: 0 4px 14px rgba(14, 119, 99, .3);
            transform: translateY(-1px);
        }
        .menu-btn {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 8px;
            border: 1px solid var(--border);
            color: var(--heading);
            font-size: 17px;
            align-items: center;
            justify-content: center;
        }
        .nav-bottom {
            background: #FCFBF9;
            border-top: 1px solid var(--border);
        }
        .nav-tabs {
            display: flex;
            align-items: center;
            gap: 4px;
            overflow-x: auto;
            scrollbar-width: none;
            height: 48px;
        }
        .nav-tabs::-webkit-scrollbar {
            display: none;
        }
        .nav-tab {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            height: 48px;
            padding: 0 14px;
            font-size: 14px;
            font-weight: 500;
            color: var(--muted);
            border-bottom: 2px solid transparent;
            white-space: nowrap;
            transition: all .22s;
        }
        .nav-tab i {
            font-size: 13px;
            opacity: .8;
        }
        .nav-tab:hover {
            color: var(--primary);
        }
        .nav-tab.active {
            color: var(--primary);
            font-weight: 600;
            border-bottom-color: var(--primary);
        }
        @media (max-width: 768px) {
            .header-search {
                display: none;
            }
            .help-link {
                display: none;
            }
            .menu-btn {
                display: inline-flex;
            }
            .btn-login span {
                display: none;
            }
            .btn-login {
                width: 40px;
                padding: 0;
                justify-content: center;
            }
        }

        /* ===== Page Hero ===== */
        .page-hero {
            position: relative;
            padding: 88px 0 76px;
            background-size: cover;
            background-position: center;
            color: #fff;
        }
        .page-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(105deg, rgba(16, 32, 46, .88) 0%, rgba(16, 32, 46, .68) 55%, rgba(14, 119, 99, .38) 100%);
        }
        .page-hero .container {
            position: relative;
            z-index: 2;
        }
        .breadcrumb {
            font-size: 13px;
            color: rgba(255, 255, 255, .7);
            margin-bottom: 30px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .breadcrumb a {
            color: rgba(255, 255, 255, .9);
            transition: color .2s;
        }
        .breadcrumb a:hover {
            color: #fff;
        }
        .hero-icon {
            display: inline-flex;
            width: 58px;
            height: 58px;
            border-radius: 16px;
            background: var(--accent);
            align-items: center;
            justify-content: center;
            font-size: 24px;
            margin-bottom: 20px;
            box-shadow: 0 10px 28px rgba(232, 101, 26, .35);
        }
        .page-hero h1 {
            font-size: 44px;
            font-weight: 700;
            line-height: 1.28;
            margin-bottom: 16px;
            color: #fff;
            letter-spacing: .5px;
        }
        .page-hero .lead {
            font-size: 17px;
            line-height: 1.85;
            color: rgba(255, 255, 255, .88);
            max-width: 660px;
            margin-bottom: 30px;
        }
        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        @media (max-width: 768px) {
            .page-hero {
                padding: 56px 0 48px;
            }
            .page-hero h1 {
                font-size: 32px;
            }
            .hero-icon {
                width: 50px;
                height: 50px;
                font-size: 20px;
            }
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            height: 44px;
            padding: 0 22px;
            border-radius: 8px;
            font-size: 15px;
            font-weight: 600;
            transition: all .25s;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(14, 119, 99, .25);
        }
        .btn-outline {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, .75);
            color: #fff;
        }
        .btn-outline:hover {
            background: rgba(255, 255, 255, .15);
            border-color: #fff;
        }
        .btn-accent {
            background: var(--accent);
            color: #fff;
        }
        .btn-accent:hover {
            background: var(--accent-dark);
            transform: scale(1.02);
            box-shadow: 0 8px 20px rgba(232, 101, 26, .3);
        }
        .btn-ghost {
            background: transparent;
            border: 1px solid var(--primary);
            color: var(--primary);
        }
        .btn-ghost:hover {
            background: var(--primary-light);
        }

        /* ===== Section ===== */
        .section {
            padding: 80px 0;
        }
        .section-dark {
            background: var(--dark);
            color: #fff;
        }
        .section-head {
            text-align: center;
            max-width: 660px;
            margin: 0 auto 52px;
        }
        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: 999px;
            margin-bottom: 14px;
            letter-spacing: .3px;
        }
        .section-dark .section-tag {
            background: rgba(255, 255, 255, .1);
            color: #fff;
        }
        .section-head h2 {
            font-size: 32px;
            font-weight: 700;
            color: var(--heading);
            line-height: 1.3;
            margin-bottom: 14px;
        }
        .section-dark .section-head h2 {
            color: #fff;
        }
        .section-head p {
            font-size: 15px;
            color: var(--muted);
            line-height: 1.8;
        }
        .section-dark .section-head p {
            color: rgba(255, 255, 255, .65);
        }
        @media (max-width: 768px) {
            .section {
                padding: 56px 0;
            }
            .section-head h2 {
                font-size: 26px;
            }
        }

        /* ===== Quick Stats ===== */
        .quick-stats {
            margin-top: -40px;
            position: relative;
            z-index: 5;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .stat-card {
            background: var(--white);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            padding: 26px 24px;
            display: flex;
            align-items: center;
            gap: 16px;
            box-shadow: var(--shadow-sm);
            transition: all .25s;
        }
        .stat-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: rgba(14, 119, 99, .3);
        }
        .stat-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            background: var(--primary-light);
            color: var(--primary);
            flex-shrink: 0;
        }
        .stat-num {
            font-family: var(--font-num);
            font-size: 20px;
            font-weight: 700;
            color: var(--heading);
            line-height: 1.2;
        }
        .stat-label {
            font-size: 13px;
            color: var(--muted);
            margin-top: 3px;
        }
        @media (max-width: 768px) {
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .quick-stats {
                margin-top: -24px;
            }
        }

        /* ===== Timeline ===== */
        .timeline-wrap {
            position: relative;
            max-width: 780px;
            margin: 0 auto;
        }
        .timeline-wrap::before {
            content: '';
            position: absolute;
            left: 50%;
            top: 0;
            bottom: 0;
            width: 2px;
            background: linear-gradient(180deg, var(--accent), rgba(255, 255, 255, .16));
            transform: translateX(-50%);
        }
        .timeline-item {
            position: relative;
            width: 50%;
            padding: 0 40px 44px 0;
            text-align: right;
        }
        .timeline-item:nth-child(even) {
            margin-left: 50%;
            padding: 0 0 44px 40px;
            text-align: left;
        }
        .timeline-dot {
            position: absolute;
            top: 6px;
            right: -7px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--accent);
            border: 3px solid var(--dark);
            box-shadow: 0 0 0 3px rgba(232, 101, 26, .25);
            z-index: 2;
        }
        .timeline-item:nth-child(even) .timeline-dot {
            left: -7px;
            right: auto;
        }
        .timeline-card {
            background: #fff;
            border-radius: var(--radius);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            text-align: left;
            border: 1px solid var(--border);
            transition: all .25s;
            display: inline-block;
            max-width: 100%;
        }
        .timeline-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: rgba(14, 119, 99, .3);
        }
        .version-badge {
            display: inline-flex;
            align-items: center;
            background: var(--primary);
            color: #fff;
            font-size: 13px;
            font-weight: 700;
            font-family: var(--font-num);
            padding: 4px 12px;
            border-radius: 999px;
            margin-bottom: 10px;
        }
        .timeline-date {
            display: block;
            font-size: 13px;
            color: var(--muted);
            margin-bottom: 6px;
            font-family: var(--font-num);
        }
        .timeline-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--heading);
            margin-bottom: 8px;
        }
        .timeline-card p {
            font-size: 14px;
            color: var(--text);
            line-height: 1.7;
        }
        @media (max-width: 768px) {
            .timeline-wrap::before {
                left: 10px;
                transform: none;
            }
            .timeline-item,
            .timeline-item:nth-child(even) {
                width: 100%;
                margin-left: 0;
                padding: 0 0 32px 36px;
                text-align: left;
            }
            .timeline-dot,
            .timeline-item:nth-child(even) .timeline-dot {
                left: 3px;
                right: auto;
            }
        }

        /* ===== Feature Rows ===== */
        .feature-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
            margin-bottom: 88px;
        }
        .feature-row:last-child {
            margin-bottom: 0;
        }
        .feature-media {
            border-radius: 16px;
            overflow: hidden;
            box-shadow: var(--shadow-md);
            position: relative;
            aspect-ratio: 16 / 10;
        }
        .feature-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }
        .feature-media:hover img {
            transform: scale(1.04);
        }
        .feature-media::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 60%, rgba(16, 32, 46, .35));
            pointer-events: none;
        }
        .feature-badge {
            position: absolute;
            left: 18px;
            bottom: 16px;
            z-index: 2;
            background: var(--accent);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 999px;
            letter-spacing: .3px;
        }
        .feature-row.reverse .feature-media {
            order: 2;
        }
        .feature-text .feature-label {
            font-size: 13px;
            font-weight: 600;
            color: var(--accent);
            letter-spacing: .5px;
            margin-bottom: 10px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .feature-text h3 {
            font-size: 26px;
            font-weight: 700;
            color: var(--heading);
            line-height: 1.35;
            margin-bottom: 14px;
        }
        .feature-text p {
            font-size: 15px;
            line-height: 1.85;
            color: var(--text);
            margin-bottom: 18px;
        }
        .feature-tags {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }
        .feature-tags span {
            font-size: 13px;
            font-weight: 500;
            background: var(--primary-light);
            color: var(--primary);
            padding: 4px 14px;
            border-radius: 999px;
        }
        @media (max-width: 900px) {
            .feature-row {
                grid-template-columns: 1fr;
                gap: 32px;
                margin-bottom: 56px;
            }
            .feature-row.reverse .feature-media {
                order: 0;
            }
            .feature-text h3 {
                font-size: 22px;
            }
        }

        /* ===== Steps ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .step-card {
            background: var(--white);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            padding: 32px 26px;
            text-align: center;
            position: relative;
            transition: all .25s;
            overflow: hidden;
        }
        .step-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: rgba(14, 119, 99, .3);
        }
        .step-num {
            display: inline-flex;
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: linear-gradient(135deg, var(--primary), #139A82);
            color: #fff;
            font-size: 22px;
            font-weight: 700;
            font-family: var(--font-num);
            align-items: center;
            justify-content: center;
            margin-bottom: 18px;
            box-shadow: 0 8px 20px rgba(14, 119, 99, .28);
        }
        .step-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--heading);
            margin-bottom: 10px;
        }
        .step-card p {
            font-size: 14px;
            line-height: 1.75;
            color: var(--muted);
        }
        @media (max-width: 768px) {
            .steps-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== Notice ===== */
        .notice-box {
            background: var(--white);
            border-radius: 16px;
            border: 1px solid var(--border);
            padding: 44px;
            display: grid;
            grid-template-columns: 80px 1fr;
            gap: 28px;
            box-shadow: var(--shadow-sm);
        }
        .notice-icon {
            width: 72px;
            height: 72px;
            border-radius: 18px;
            background: linear-gradient(135deg, #FDEAE0, #FAD4BC);
            color: var(--accent);
            font-size: 30px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }
        .notice-box h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--heading);
            margin-bottom: 12px;
        }
        .notice-box p {
            font-size: 15px;
            color: var(--text);
            line-height: 1.8;
            margin-bottom: 14px;
        }
        .notice-list {
            list-style: none;
            margin-top: 10px;
        }
        .notice-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 14px;
            line-height: 1.7;
            color: var(--text);
            margin-bottom: 8px;
        }
        .notice-list li i {
            color: var(--accent);
            font-size: 13px;
            margin-top: 4px;
            flex-shrink: 0;
        }
        @media (max-width: 768px) {
            .notice-box {
                grid-template-columns: 1fr;
                padding: 28px;
            }
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
        }
        .faq-item {
            border-bottom: 1px solid var(--border);
            background: var(--white);
            border-radius: 0;
            transition: background .2s;
        }
        .faq-item:first-child {
            border-top: 1px solid var(--border);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 22px 8px;
            font-size: 16px;
            font-weight: 600;
            color: var(--heading);
            text-align: left;
            transition: color .2s;
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            transition: all .3s;
        }
        .faq-item.active .faq-icon {
            background: var(--primary);
            color: #fff;
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .35s ease;
            font-size: 15px;
            line-height: 1.85;
            color: var(--text);
        }
        .faq-item.active .faq-answer {
            max-height: 500px;
            padding: 0 8px 24px;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--dark);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -80px;
            width: 320px;
            height: 320px;
            border-radius: 50%;
            background: rgba(14, 119, 99, .25);
            filter: blur(60px);
        }
        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -100px;
            left: 20%;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            background: rgba(232, 101, 26, .18);
            filter: blur(70px);
        }
        .cta-box {
            position: relative;
            z-index: 2;
            text-align: center;
            padding: 80px 0;
        }
        .cta-box h2 {
            font-size: 34px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            line-height: 1.3;
        }
        .cta-box p {
            font-size: 16px;
            color: rgba(255, 255, 255, .7);
            margin-bottom: 30px;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-box .btn {
            height: 48px;
            padding: 0 30px;
            font-size: 16px;
        }
        @media (max-width: 768px) {
            .cta-box {
                padding: 56px 0;
            }
            .cta-box h2 {
                font-size: 26px;
            }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--dark);
            color: rgba(255, 255, 255, .72);
            padding-top: 60px;
            font-size: 14px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 44px;
        }
        .footer-brand .logo-wrap {
            margin-bottom: 16px;
        }
        .footer-brand .logo-text {
            color: #fff;
            font-size: 20px;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.85;
            color: rgba(255, 255, 255, .6);
            max-width: 300px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-col ul {
            list-style: none;
        }
        .footer-col li {
            margin-bottom: 10px;
        }
        .footer-col a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: rgba(255, 255, 255, .6);
            font-size: 14px;
            transition: color .2s;
        }
        .footer-col a:hover {
            color: #fff;
        }
        .footer-col a i {
            font-size: 11px;
            color: rgba(255, 255, 255, .4);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .1);
            padding: 18px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, .45);
        }
        @media (max-width: 900px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 560px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                justify-content: center;
            }
        }

        /* ===== Scroll Top ===== */
        .back-top {
            position: fixed;
            right: 24px;
            bottom: 24px;
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            box-shadow: var(--shadow-md);
            opacity: 0;
            visibility: hidden;
            transition: all .3s;
            z-index: 60;
        }
        .back-top.show {
            opacity: 1;
            visibility: visible;
        }
        .back-top:hover {
            background: var(--primary-dark);
            transform: translateY(-3px);
        }

/* roulang page: category3 */
:root {
            --primary: #0E7763;
            --primary-dark: #0a5f4f;
            --primary-light: rgba(14, 119, 99, .10);
            --primary-glow: rgba(14, 119, 99, .28);
            --accent: #E8651A;
            --accent-dark: #c9520f;
            --accent-light: rgba(232, 101, 26, .12);
            --surface: #F7F5F2;
            --card: #FFFFFF;
            --ink: #162029;
            --body: #3A454E;
            --muted: #6B7580;
            --line: #E5E7EB;
            --deep: #10202E;
            --deep-soft: #1B2C3A;
            --radius: 14px;
            --radius-sm: 8px;
            --shadow-sm: 0 1px 3px rgba(16, 32, 46, .06);
            --shadow-md: 0 10px 28px rgba(16, 32, 46, .10);
            --font-sans: "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
            --font-num: "DIN Alternate", "Roboto", "Inter", sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            background: var(--surface);
            color: var(--body);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            text-rendering: optimizeLegibility;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color .25s ease, background .25s ease, border-color .25s ease, box-shadow .25s ease, transform .25s ease;
        }

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

        ul,
        ol {
            list-style: none;
        }

        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

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

        /* ========== Header ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 60;
            background: rgba(255, 255, 255, .96);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--line);
            box-shadow: 0 2px 10px rgba(16, 32, 46, .04);
        }

        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 64px;
            gap: 20px;
        }

        .logo-wrap {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .logo-mark {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--primary) 0%, #0a5f4f 100%);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            box-shadow: 0 6px 14px rgba(14, 119, 99, .30);
        }

        .logo-text {
            font-size: 20px;
            font-weight: 800;
            color: var(--ink);
            letter-spacing: .5px;
            line-height: 1.2;
            white-space: nowrap;
        }

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

        .header-search {
            position: relative;
            flex: 1;
            max-width: 420px;
            margin-left: 20px;
        }

        .header-search input {
            width: 100%;
            height: 42px;
            border-radius: 999px;
            background: #F0F1F3;
            border: 1px solid transparent;
            padding: 0 44px 0 20px;
            font-size: 14px;
            color: var(--ink);
            transition: border-color .25s, box-shadow .25s, background .25s;
        }

        .header-search input::placeholder {
            color: #A0A8B0;
        }

        .header-search input:focus {
            border-color: var(--primary);
            background: #fff;
            box-shadow: 0 0 0 3px var(--primary-glow);
        }

        .search-icon {
            position: absolute;
            right: 16px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--muted);
            font-size: 14px;
            pointer-events: none;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-shrink: 0;
        }

        .help-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 500;
            color: var(--muted);
            padding: 8px 12px;
            border-radius: 999px;
            transition: background .25s, color .25s;
        }

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

        .btn-login {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            height: 38px;
            padding: 0 18px;
            border-radius: 999px;
            background: var(--primary);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            box-shadow: 0 4px 12px rgba(14, 119, 99, .24);
            transition: background .25s, box-shadow .25s, transform .25s;
        }

        .btn-login:hover {
            background: var(--primary-dark);
            box-shadow: 0 6px 16px rgba(14, 119, 99, .32);
            transform: translateY(-1px);
        }

        .menu-btn {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: #F0F1F3;
            color: var(--ink);
            font-size: 16px;
            align-items: center;
            justify-content: center;
            cursor: pointer;
        }

        .nav-bottom {
            background: #fff;
            border-top: 1px solid #F0F1F3;
        }

        .nav-tabs {
            display: flex;
            align-items: center;
            gap: 4px;
            overflow-x: auto;
            min-height: 48px;
            scrollbar-width: none;
        }

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

        .nav-tab {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 10px 16px;
            font-size: 14px;
            font-weight: 500;
            color: var(--muted);
            white-space: nowrap;
            border-bottom: 2px solid transparent;
            transition: color .25s, border-color .25s, background .25s;
        }

        .nav-tab i {
            font-size: 13px;
            color: #B0B8C0;
            transition: color .25s;
        }

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

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

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

        .nav-tab.active i {
            color: var(--primary);
        }

        /* ========== Buttons ========== */
        .btn-primary,
        .btn-ghost-light,
        .btn-accent,
        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 46px;
            padding: 0 26px;
            border-radius: 12px;
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: all .25s ease;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 6px 18px rgba(14, 119, 99, .28);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            box-shadow: 0 8px 22px rgba(14, 119, 99, .36);
            transform: translateY(-2px);
        }

        .btn-ghost-light {
            background: transparent;
            border: 1.5px solid rgba(255, 255, 255, .65);
            color: #fff;
            backdrop-filter: blur(4px);
        }

        .btn-ghost-light:hover {
            background: rgba(255, 255, 255, .15);
            border-color: #fff;
            transform: translateY(-2px);
        }

        .btn-accent {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 6px 18px rgba(232, 101, 26, .30);
        }

        .btn-accent:hover {
            background: var(--accent-dark);
            transform: scale(1.02) translateY(-1px);
            box-shadow: 0 8px 24px rgba(232, 101, 26, .38);
        }

        .btn-outline-light {
            background: transparent;
            border: 1.5px solid rgba(255, 255, 255, .6);
            color: #fff;
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, .12);
            border-color: #fff;
            transform: translateY(-2px);
        }

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

        /* ========== Hero ========== */
        .page-hero {
            position: relative;
            background-size: cover;
            background-position: center;
            padding: 84px 0 90px;
            color: #fff;
            overflow: hidden;
            border-bottom: 4px solid var(--accent);
        }

        .page-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(100deg, rgba(16, 32, 46, .94) 0%, rgba(16, 32, 46, .78) 45%, rgba(14, 119, 99, .55) 100%);
            z-index: 1;
        }

        .page-hero::after {
            content: "";
            position: absolute;
            inset: 0;
            background-image: radial-gradient(rgba(255, 255, 255, .14) 1px, transparent 1px);
            background-size: 26px 26px;
            opacity: .4;
            z-index: 1;
        }

        .hero-inner {
            position: relative;
            z-index: 2;
            max-width: 860px;
        }

        .hero-kicker {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, .12);
            border: 1px solid rgba(255, 255, 255, .25);
            color: #fff;
            font-size: 13px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 999px;
            margin-bottom: 24px;
            letter-spacing: .5px;
        }

        .hero-kicker i {
            color: #FFB88A;
        }

        .page-hero h1 {
            font-size: clamp(30px, 4vw, 46px);
            font-weight: 800;
            line-height: 1.25;
            color: #fff;
            letter-spacing: 1px;
            margin-bottom: 18px;
        }

        .hero-sub {
            font-size: 17px;
            line-height: 1.85;
            color: rgba(255, 255, 255, .88);
            margin-bottom: 26px;
            max-width: 640px;
        }

        .hero-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 30px;
        }

        .tag-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, .10);
            border: 1px solid rgba(255, 255, 255, .22);
            color: rgba(255, 255, 255, .9);
            font-size: 13px;
            padding: 5px 14px;
            border-radius: 999px;
            font-weight: 500;
        }

        .tag-item i {
            color: #7ED8B0;
            font-size: 11px;
        }

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

        /* ========== Section ========== */
        .section {
            padding: 76px 0;
        }

        .section-head {
            max-width: 680px;
            margin-bottom: 48px;
        }

        .section-head.center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }

        .section-eye {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 2px;
            text-transform: uppercase;
            color: var(--primary);
            background: var(--primary-light);
            padding: 5px 14px;
            border-radius: 999px;
            margin-bottom: 16px;
        }

        .section-head h2 {
            font-size: clamp(24px, 2.6vw, 32px);
            font-weight: 700;
            color: var(--ink);
            line-height: 1.3;
            margin-bottom: 12px;
            letter-spacing: .5px;
        }

        .section-head p {
            font-size: 15px;
            color: var(--muted);
            line-height: 1.8;
        }

        .section-head.light h2 {
            color: #fff;
        }

        .section-head.light p {
            color: rgba(255, 255, 255, .72);
        }

        .section-head.light .section-eye {
            background: rgba(255, 255, 255, .12);
            color: #fff;
        }

        /* ========== Cards Grid ========== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .topic-card {
            background: var(--card);
            border: 1px solid var(--line);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
            display: flex;
            flex-direction: column;
        }

        .topic-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: rgba(14, 119, 99, .35);
        }

        .topic-card-media {
            position: relative;
            aspect-ratio: 16 / 8;
            overflow: hidden;
            background: #E8EAEC;
        }

        .topic-card-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }

        .topic-card:hover .topic-card-media img {
            transform: scale(1.04);
        }

        .topic-card-media::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 55%, rgba(16, 32, 46, .55));
        }

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

        .badge {
            display: inline-flex;
            align-items: center;
            align-self: flex-start;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 12px;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 999px;
            margin-bottom: 12px;
            letter-spacing: .3px;
        }

        .topic-card-body h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--ink);
            line-height: 1.4;
            margin-bottom: 10px;
        }

        .topic-card-body p {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.7;
            margin-bottom: 18px;
            flex: 1;
        }

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

        .card-link i {
            font-size: 12px;
            transition: transform .3s;
        }

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

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

        /* ========== Timeline ========== */
        .section-timeline {
            position: relative;
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
            color: #fff;
            overflow: hidden;
        }

        .section-timeline::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(160deg, rgba(16, 32, 46, .97) 0%, rgba(16, 32, 46, .90) 60%, rgba(14, 119, 99, .55) 100%);
            z-index: 1;
        }

        .section-timeline::after {
            content: "";
            position: absolute;
            inset: 0;
            background-image: linear-gradient(rgba(255, 255, 255, .05) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, .05) 1px, transparent 1px);
            background-size: 60px 60px;
            z-index: 1;
        }

        .section-timeline .container {
            position: relative;
            z-index: 2;
        }

        .timeline {
            position: relative;
            max-width: 860px;
            margin: 0 auto;
        }

        .timeline::before {
            content: "";
            position: absolute;
            left: 28px;
            top: 10px;
            bottom: 10px;
            width: 2px;
            background: linear-gradient(180deg, var(--accent), rgba(255, 255, 255, .25));
            border-radius: 2px;
        }

        .timeline-item {
            position: relative;
            padding-left: 76px;
            padding-bottom: 36px;
        }

        .timeline-item:last-child {
            padding-bottom: 0;
        }

        .timeline-num {
            position: absolute;
            left: 0;
            top: 0;
            width: 56px;
            height: 56px;
            border-radius: 16px;
            background: linear-gradient(135deg, var(--accent) 0%, #c9520f 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: var(--font-num);
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            box-shadow: 0 8px 20px rgba(232, 101, 26, .35);
            z-index: 2;
        }

        .timeline-content {
            background: rgba(255, 255, 255, .08);
            border: 1px solid rgba(255, 255, 255, .18);
            backdrop-filter: blur(6px);
            border-radius: var(--radius);
            padding: 22px 26px;
            transition: background .3s, border-color .3s, transform .3s;
        }

        .timeline-content:hover {
            background: rgba(255, 255, 255, .14);
            border-color: rgba(255, 255, 255, .35);
            transform: translateX(4px);
        }

        .timeline-content h3 {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }

        .timeline-content p {
            font-size: 14px;
            line-height: 1.75;
            color: rgba(255, 255, 255, .78);
        }

        /* ========== Notice ========== */
        .section-notice {
            background: #fff;
            border-top: 1px solid var(--line);
            border-bottom: 1px solid var(--line);
        }

        .notice-panel {
            max-width: 960px;
            margin: 0 auto;
            border-radius: 18px;
            border: 1px solid #F0DFC8;
            background: linear-gradient(135deg, #FFF9F0 0%, #FFFFFF 55%);
            padding: 44px 48px;
            box-shadow: 0 12px 30px rgba(232, 101, 26, .08);
            position: relative;
            overflow: hidden;
        }

        .notice-panel::before {
            content: "\f071";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            position: absolute;
            right: -10px;
            bottom: -24px;
            font-size: 120px;
            color: rgba(232, 101, 26, .08);
            transform: rotate(-14deg);
        }

        .notice-panel h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--ink);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .notice-panel h2 i {
            color: var(--accent);
        }

        .notice-panel>.notice-desc {
            font-size: 14px;
            color: var(--muted);
            margin-bottom: 24px;
        }

        .notice-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 14px 28px;
        }

        .notice-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            font-size: 14px;
            color: var(--body);
            line-height: 1.7;
            padding: 10px 14px;
            background: rgba(255, 255, 255, .8);
            border: 1px solid rgba(232, 101, 26, .14);
            border-radius: 10px;
        }

        .notice-item i {
            color: var(--accent);
            font-size: 15px;
            margin-top: 3px;
            flex-shrink: 0;
        }

        /* ========== FAQ ========== */
        .section-faq {
            background: var(--surface);
        }

        .faq-list {
            max-width: 900px;
            margin: 0 auto;
            border-top: 1px solid var(--line);
        }

        .faq-item {
            border-bottom: 1px solid var(--line);
            background: #fff;
            border-radius: 0;
            transition: background .3s;
        }

        .faq-item:first-child {
            border-top-left-radius: 14px;
            border-top-right-radius: 14px;
            overflow: hidden;
        }

        .faq-item:last-child {
            border-bottom-left-radius: 14px;
            border-bottom-right-radius: 14px;
            overflow: hidden;
        }

        .faq-item summary {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 24px;
            font-size: 15px;
            font-weight: 600;
            color: var(--ink);
            cursor: pointer;
            list-style: none;
            transition: color .25s, background .25s;
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary:hover {
            color: var(--primary);
            background: #FAFBFC;
        }

        .faq-item summary i {
            font-size: 14px;
            color: var(--primary);
            flex-shrink: 0;
            transition: transform .3s;
        }

        .faq-item[open] summary {
            color: var(--primary);
            border-bottom: 1px solid var(--line);
        }

        .faq-item[open] summary i {
            transform: rotate(45deg);
        }

        .faq-item p {
            padding: 18px 24px 22px;
            font-size: 15px;
            line-height: 1.85;
            color: var(--body);
            background: #FAFBFC;
        }

        /* ========== CTA ========== */
        .section-cta {
            padding: 0;
        }

        .cta-band {
            position: relative;
            background: var(--deep);
            border-radius: 22px;
            overflow: hidden;
            padding: 56px 48px;
            text-align: center;
            color: #fff;
            box-shadow: 0 20px 60px rgba(16, 32, 46, .30);
            background-image: url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
        }

        .cta-band::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(14, 119, 99, .72) 0%, rgba(16, 32, 46, .94) 100%);
        }

        .cta-band>* {
            position: relative;
            z-index: 2;
        }

        .cta-band h2 {
            font-size: clamp(24px, 3vw, 32px);
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: .5px;
        }

        .cta-band p {
            font-size: 15px;
            color: rgba(255, 255, 255, .75);
            margin-bottom: 28px;
            max-width: 520px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-actions {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 14px;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--deep);
            color: #B7C0C8;
            padding: 64px 0 0;
            margin-top: 76px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 44px;
            padding-bottom: 44px;
            border-bottom: 1px solid rgba(255, 255, 255, .08);
        }

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

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

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, .65);
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: .5px;
        }

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

        .footer-col ul a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            color: rgba(255, 255, 255, .65);
            transition: color .25s, transform .25s;
        }

        .footer-col ul a i {
            font-size: 10px;
            color: rgba(255, 255, 255, .30);
            transition: color .25s, transform .25s;
        }

        .footer-col ul a:hover {
            color: #fff;
        }

        .footer-col ul a:hover i {
            color: var(--primary);
            transform: translateX(3px);
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
            padding: 20px 0 24px;
            font-size: 13px;
            color: rgba(255, 255, 255, .4);
        }

        /* ========== Responsive ========== */
        @media (max-width: 1024px) {
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 36px;
            }
            .header-search {
                max-width: 300px;
            }
            .section-timeline {
                background-attachment: scroll;
            }
        }

        @media (max-width: 768px) {
            .section {
                padding: 56px 0;
            }
            .header-top {
                min-height: 60px;
            }
            .header-search {
                display: none;
                position: absolute;
                top: 60px;
                left: 0;
                right: 0;
                max-width: none;
                padding: 10px 16px;
                background: #fff;
                border-bottom: 1px solid var(--line);
                z-index: 50;
            }
            .header-search.open {
                display: block;
            }
            .help-link {
                display: none;
            }
            .menu-btn {
                display: inline-flex;
            }
            .btn-login {
                height: 36px;
                padding: 0 14px;
                font-size: 13px;
            }
            .page-hero {
                padding: 60px 0 66px;
            }
            .hero-actions {
                flex-direction: column;
                align-items: flex-start;
            }
            .hero-actions .btn-primary,
            .hero-actions .btn-ghost-light {
                width: 100%;
            }
            .notice-list {
                grid-template-columns: 1fr;
            }
            .timeline::before {
                left: 22px;
            }
            .timeline-item {
                padding-left: 60px;
            }
            .timeline-num {
                width: 46px;
                height: 46px;
                font-size: 17px;
                border-radius: 12px;
            }
            .cta-band {
                padding: 44px 24px;
                border-radius: 16px;
            }
            .notice-panel {
                padding: 32px 24px;
            }
        }

        @media (max-width: 520px) {
            .card-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 4px;
            }
            .logo-text {
                font-size: 17px;
            }
            .logo-mark {
                width: 34px;
                height: 34px;
                font-size: 15px;
            }
            .btn-login span {
                display: none;
            }
            .btn-login {
                width: 38px;
                padding: 0;
                justify-content: center;
            }
            .hero-sub {
                font-size: 15px;
            }
            .timeline-content {
                padding: 18px;
            }
            .timeline-item {
                padding-bottom: 26px;
            }
            .section-head {
                margin-bottom: 36px;
            }
            .faq-item summary {
                padding: 16px 18px;
                font-size: 14px;
            }
            .faq-item p {
                padding: 14px 18px 18px;
                font-size: 14px;
            }
            .cta-actions {
                flex-direction: column;
            }
            .cta-actions .btn-accent,
            .cta-actions .btn-outline-light {
                width: 100%;
            }
        }