/* roulang page: index */
/* ===== 设计变量 ===== */
:root {
  --brand: #0f2b46;
  --brand-light: #1e4976;
  --brand-dark: #09182b;
  --accent: #f0a500;
  --accent-dark: #c98a00;
  --bg: #f6f9fc;
  --text-main: #1e293b;
  --text-sub: #5b6b7f;
  --text-light: #8fa3b8;
  --border: #e3ebf2;
  --radius: 16px;
  --radius-lg: 20px;
  --shadow: 0 4px 24px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 16px 48px rgba(15, 23, 42, 0.12);
  --shadow-accent: 0 8px 30px rgba(240, 165, 0, 0.3);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== 基础 Reset ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  background-color: var(--bg);
  color: var(--text-main);
  line-height: 1.7;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: var(--transition); }
button { font-family: inherit; cursor: pointer; }
input { font-family: inherit; }
ul, ol { list-style: none; }

/* ===== 容器 ===== */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
@media (max-width: 768px) { .container { padding: 0 16px; } }

/* ===== 区块通用 ===== */
.section { padding: 96px 0; }
.section-alt { background: #fff; }
.section-title-wrap { text-align: center; margin-bottom: 56px; }
.section-tag {
  display: inline-block; padding: 6px 18px; border-radius: 24px;
  background: rgba(240, 165, 0, 0.12); color: var(--accent-dark);
  font-size: 13px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase;
  margin-bottom: 16px;
}
.section-title { font-size: 38px; font-weight: 800; color: var(--brand); line-height: 1.3; }
.section-sub { font-size: 16px; color: var(--text-sub); max-width: 680px; margin: 12px auto 0; }
@media (max-width: 768px) {
  .section { padding: 64px 0; }
  .section-title { font-size: 28px; }
}

/* ===== 按钮 ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 34px; border-radius: 12px; font-weight: 700; font-size: 16px;
  transition: var(--transition); border: 2px solid transparent; white-space: nowrap;
}
.btn-accent {
  background: var(--accent); color: #fff; box-shadow: var(--shadow-accent);
}
.btn-accent:hover {
  background: var(--accent-dark); color: #fff; transform: translateY(-2px);
  box-shadow: 0 12px 36px rgba(240, 165, 0, 0.4);
}
.btn-outline {
  border-color: rgba(255, 255, 255, 0.5); color: #fff;
  background: rgba(255, 255, 255, 0.08); backdrop-filter: blur(8px);
}
.btn-outline:hover { border-color: #fff; background: rgba(255, 255, 255, 0.2); transform: translateY(-2px); }
.btn-brand {
  background: var(--brand); color: #fff;
}
.btn-brand:hover { background: var(--brand-light); transform: translateY(-2px); }
.btn-light { background: #fff; color: var(--brand); box-shadow: var(--shadow); }
.btn-light:hover { box-shadow: var(--shadow-lg); transform: translateY(-2px); }
.btn-sm { padding: 8px 20px; font-size: 14px; border-radius: 10px; }

/* ===== 顶部信息条 ===== */
.topbar {
  background: var(--brand-dark); color: rgba(255, 255, 255, 0.8);
  font-size: 13px; padding: 6px 0; letter-spacing: 0.3px;
}
.topbar .container { display: flex; justify-content: space-between; align-items: center; }
.topbar-left { display: flex; gap: 20px; align-items: center; }
.topbar-left i { color: var(--accent); margin-right: 4px; }
.topbar-right { display: flex; gap: 20px; align-items: center; }
.topbar-right a { color: rgba(255,255,255,0.8); }
.topbar-right a:hover { color: var(--accent); }
@media (max-width: 640px) { .topbar-left span:last-child { display: none; } }

/* ===== 主导航 ===== */
.site-nav {
  background: #fff; box-shadow: 0 2px 12px rgba(0,0,0,0.05);
  position: sticky; top: 0; z-index: 100;
}
.nav-container { display: flex; align-items: center; justify-content: space-between; height: 76px; }
.brand-logo { display: flex; align-items: center; gap: 12px; }
.brand-mark {
  width: 44px; height: 44px; border-radius: 12px;
  background: linear-gradient(135deg, var(--brand) 0%, var(--brand-light) 100%);
  display: flex; align-items: center; justify-content: center; color: var(--accent); font-size: 20px;
  box-shadow: 0 4px 12px rgba(15, 43, 70, 0.25);
}
.brand-text { font-size: 24px; font-weight: 800; color: var(--brand); letter-spacing: 0.5px; }
.brand-text span { color: var(--accent); }
.nav-menu { display: flex; align-items: center; gap: 8px; }
.nav-menu a {
  padding: 10px 20px; border-radius: 10px; font-size: 15px; font-weight: 500; color: var(--text-sub);
}
.nav-menu a:hover { color: var(--brand); background: rgba(15, 43, 70, 0.05); }
.nav-menu a.active { color: var(--brand); font-weight: 700; background: rgba(240, 165, 0, 0.1); }
.nav-cta { display: flex; align-items: center; gap: 12px; }
.nav-toggle {
  display: none; width: 44px; height: 44px; border-radius: 10px; background: transparent;
  border: 1px solid var(--border); color: var(--brand); font-size: 20px;
  align-items: center; justify-content: center;
}
@media (max-width: 992px) {
  .nav-menu { display: none; }
  .nav-toggle { display: flex; }
  .nav-cta .btn-brand { display: none; }
}

/* ===== 移动端菜单 ===== */
.mobile-menu {
  position: fixed; top: 0; right: -320px; width: 300px; height: 100vh; background: #fff;
  z-index: 200; box-shadow: -8px 0 30px rgba(0,0,0,0.1); transition: right 0.4s cubic-bezier(0.4,0,0.2,1);
  padding: 24px; display: flex; flex-direction: column;
}
.mobile-menu.open { right: 0; }
.mobile-menu-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 32px; }
.mobile-menu-close { width: 40px; height: 40px; border-radius: 10px; border: 1px solid var(--border); background: transparent; color: var(--brand); font-size: 18px; }
.mobile-menu a {
  padding: 14px 16px; border-radius: 12px; font-size: 16px; font-weight: 500; color: var(--text-main);
  margin-bottom: 4px;
}
.mobile-menu a:hover { background: rgba(240, 165, 0, 0.08); color: var(--brand); }
.mobile-menu a.active { background: rgba(240, 165, 0, 0.12); color: var(--brand); font-weight: 700; }
.mobile-menu .btn { margin-top: 24px; width: 100%; }
.mobile-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.5); z-index: 199; opacity: 0; visibility: hidden; transition: var(--transition); }
.mobile-overlay.open { opacity: 1; visibility: visible; }

/* ===== Hero ===== */
.hero {
  position: relative; min-height: 640px; display: flex; align-items: center;
  background-image: url('/assets/images/backpic/back-1.png');
  background-size: cover; background-position: center; background-repeat: no-repeat;
  overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(120deg, rgba(9, 24, 43, 0.92) 0%, rgba(15, 43, 70, 0.75) 50%, rgba(15, 43, 70, 0.4) 100%);
}
.hero::after {
  content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 120px;
  background: linear-gradient(to top, var(--bg) 0%, transparent 100%);
}
.hero .container { position: relative; z-index: 2; display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 60px; align-items: center; }
.hero-content .hero-tag {
  display: inline-flex; gap: 8px; align-items: center;
  background: rgba(240, 165, 0, 0.15); border: 1px solid rgba(240, 165, 0, 0.3);
  color: var(--accent); padding: 8px 20px; border-radius: 24px;
  font-size: 14px; font-weight: 600; margin-bottom: 24px;
}
.hero-content h1 { font-size: 52px; font-weight: 800; color: #fff; line-height: 1.2; margin-bottom: 20px; }
.hero-content h1 span { color: var(--accent); }
.hero-content p { font-size: 17px; color: rgba(255, 255, 255, 0.75); line-height: 1.8; margin-bottom: 36px; max-width: 520px; }
.hero-btns { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 32px; margin-top: 48px; }
.hero-stat .num { font-size: 28px; font-weight: 800; color: #fff; }
.hero-stat .label { font-size: 13px; color: rgba(255, 255, 255, 0.6); }

/* Hero 票券卡片 */
.hero-ticket {
  background: rgba(255, 255, 255, 0.08); backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.12); border-radius: 24px;
  box-shadow: var(--shadow-lg); overflow: hidden; max-width: 420px; margin-left: auto;
}
.ticket-head {
  background: rgba(240, 165, 0, 0.9); padding: 18px 28px;
  display: flex; justify-content: space-between; align-items: center;
}
.ticket-head .ticket-title { color: #fff; font-weight: 800; font-size: 18px; }
.ticket-head .ticket-icon { color: #fff; font-size: 22px; opacity: 0.8; }
.ticket-body { padding: 28px; }
.ticket-row {
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px 0; border-bottom: 1px dashed rgba(255, 255, 255, 0.15);
}
.ticket-row:last-child { border-bottom: none; }
.ticket-row .k { color: rgba(255, 255, 255, 0.6); font-size: 14px; }
.ticket-row .v { color: #fff; font-weight: 700; font-size: 14px; }
.ticket-body .btn { width: 100%; margin-top: 20px; }
.ticket-footer {
  background: rgba(255, 255, 255, 0.05); padding: 12px 28px;
  color: rgba(255, 255, 255, 0.5); font-size: 12px; text-align: center;
}
@media (max-width: 992px) {
  .hero { padding: 80px 0; }
  .hero .container { grid-template-columns: 1fr; gap: 40px; }
  .hero-ticket { margin: 0 auto; max-width: 100%; }
}
@media (max-width: 768px) {
  .hero-content h1 { font-size: 34px; }
  .hero-content p { font-size: 15px; }
  .hero-stats { gap: 20px; flex-wrap: wrap; }
}

/* ===== 核心特性 ===== */
.feature-card {
  background: #fff; border-radius: var(--radius-lg); padding: 36px 28px;
  box-shadow: var(--shadow); border: 1px solid var(--border); height: 100%;
  transition: var(--transition); position: relative; overflow: hidden;
}
.feature-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px;
  background: linear-gradient(90deg, var(--accent), var(--brand-light));
  opacity: 0; transition: var(--transition);
}
.feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.feature-card:hover::before { opacity: 1; }
.feature-icon {
  width: 64px; height: 64px; border-radius: 16px;
  background: linear-gradient(135deg, var(--brand) 0%, var(--brand-light) 100%);
  display: flex; align-items: center; justify-content: center;
  color: var(--accent); font-size: 26px; margin-bottom: 24px;
  box-shadow: 0 8px 20px rgba(15, 43, 70, 0.2);
}
.feature-card h3 { font-size: 20px; font-weight: 700; color: var(--brand); margin-bottom: 12px; }
.feature-card p { color: var(--text-sub); font-size: 15px; line-height: 1.7; }

/* ===== 分类卡片 ===== */
.cat-card {
  border-radius: var(--radius-lg); overflow: hidden; background: #fff;
  box-shadow: var(--shadow); border: 1px solid var(--border);
  transition: var(--transition); height: 100%; display: flex; flex-direction: column;
}
.cat-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.cat-card-img { position: relative; height: 220px; overflow: hidden; }
.cat-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
.cat-card:hover .cat-card-img img { transform: scale(1.06); }
.cat-card-img::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(9, 24, 43, 0.6) 0%, transparent 50%);
}
.cat-card-tag {
  position: absolute; bottom: 16px; left: 20px; z-index: 2;
  color: #fff; font-size: 14px; font-weight: 700;
  padding: 5px 14px; border-radius: 20px; background: rgba(240, 165, 0, 0.9);
}
.cat-card-body { padding: 24px; flex: 1; display: flex; flex-direction: column; }
.cat-card-body h3 { font-size: 20px; font-weight: 700; color: var(--brand); margin-bottom: 8px; }
.cat-card-body p { color: var(--text-sub); font-size: 14px; line-height: 1.7; flex: 1; }
.cat-card-link {
  margin-top: 20px; color: var(--accent-dark); font-weight: 600; font-size: 14px;
  display: inline-flex; align-items: center; gap: 6px;
}
.cat-card-link i { transition: transform 0.3s ease; }
.cat-card:hover .cat-card-link i { transform: translateX(4px); }

/* ===== 最新资讯 ===== */
.news-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
.news-featured {
  background: #fff; border-radius: var(--radius-lg); overflow: hidden;
  box-shadow: var(--shadow); border: 1px solid var(--border); display: block;
  transition: var(--transition); min-height: 400px; position: relative;
}
.news-featured:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.news-featured-img { height: 240px; overflow: hidden; position: relative; }
.news-featured-img img { width: 100%; height: 100%; object-fit: cover; }
.news-featured-img::after {
  content: ''; position: absolute; inset: 0; background: linear-gradient(to top, rgba(9,24,43,0.4), transparent);
}
.news-featured-content { padding: 24px 28px 28px; }
.news-featured-content .badge {
  display: inline-block; background: rgba(240,165,0,0.12); color: var(--accent-dark);
  padding: 4px 14px; border-radius: 20px; font-size: 12px; font-weight: 700; margin-bottom: 12px;
}
.news-featured-content h3 { font-size: 22px; font-weight: 700; color: var(--brand); line-height: 1.5; margin-bottom: 10px; }
.news-featured-content p { color: var(--text-sub); font-size: 14px; line-height: 1.7; }
.news-featured-content time {
  display: block; margin-top: 16px; color: var(--text-light); font-size: 13px;
  display: flex; align-items: center; gap: 6px;
}
.news-list { background: #fff; border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--border); box-shadow: var(--shadow); }
.news-item {
  display: flex; align-items: center; gap: 16px; padding: 20px 22px;
  border-bottom: 1px solid var(--border); transition: var(--transition);
}
.news-item:last-child { border-bottom: none; }
.news-item:hover { background: rgba(240, 165, 0, 0.03); padding-left: 28px; }
.news-item time {
  color: var(--text-light); font-size: 13px; white-space: nowrap; flex-shrink: 0;
}
.news-item .news-dot {
  width: 8px; height: 8px; border-radius: 50%; background: var(--accent); flex-shrink: 0;
}
.news-item h4 { font-size: 15px; font-weight: 600; color: var(--text-main); flex: 1; line-height: 1.5; }
.news-item .badge-sm {
  background: rgba(15, 43, 70, 0.06); color: var(--brand); padding: 3px 12px;
  border-radius: 12px; font-size: 12px; flex-shrink: 0;
}
.empty-tip {
  text-align: center; padding: 60px 20px; color: var(--text-light);
  font-size: 15px; background: #fff; border-radius: var(--radius-lg); border: 1px dashed var(--border);
}
@media (max-width: 992px) {
  .news-layout { grid-template-columns: 1fr; }
}

/* ===== 数据统计 ===== */
.stats-section {
  background: linear-gradient(135deg, var(--brand-dark) 0%, var(--brand) 100%);
  position: relative; overflow: hidden;
}
.stats-section::before {
  content: ''; position: absolute; inset: 0;
  background-image: url('/assets/images/backpic/back-2.png');
  background-size: cover; background-position: center; opacity: 0.12;
}
.stats-wrap { position: relative; z-index: 1; display: grid; grid-template-columns: repeat(4, 1fr); gap: 40px; text-align: center; }
.stat-item .num {
  font-size: 48px; font-weight: 800; color: var(--accent); line-height: 1.2;
}
.stat-item .num-comp { font-size: 48px; font-weight: 800; color: var(--accent); line-height: 1.2; }
.stat-item .label { color: rgba(255, 255, 255, 0.7); font-size: 15px; margin-top: 8px; }
@media (max-width: 768px) {
  .stats-wrap { grid-template-columns: repeat(2, 1fr); gap: 32px; }
  .stat-item .num, .stat-item .num-comp { font-size: 36px; }
}

/* ===== 操作流程 ===== */
.steps-wrap { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; position: relative; }
.steps-wrap::before {
  content: ''; position: absolute; top: 44px; left: 10%; right: 10%; height: 2px;
  background: repeating-linear-gradient(90deg, var(--border) 0, var(--border) 8px, transparent 8px, transparent 16px);
}
.step-card { text-align: center; position: relative; z-index: 1; padding: 0 8px; }
.step-num {
  width: 56px; height: 56px; border-radius: 50%; margin: 0 auto 20px;
  background: var(--brand); color: #fff; font-size: 20px; font-weight: 800;
  display: flex; align-items: center; justify-content: center;
  border: 4px solid #fff; box-shadow: 0 0 0 2px var(--brand);
}
.step-card h3 { font-size: 17px; font-weight: 700; color: var(--brand); margin-bottom: 8px; }
.step-card p { font-size: 14px; color: var(--text-sub); line-height: 1.7; }
@media (max-width: 768px) {
  .steps-wrap { grid-template-columns: 1fr 1fr; gap: 24px; }
  .steps-wrap::before { display: none; }
}

/* ===== FAQ ===== */
.faq-wrap { max-width: 800px; margin: 0 auto; }
.faq-item {
  background: #fff; border-radius: var(--radius); border: 1px solid var(--border);
  margin-bottom: 16px; overflow: hidden; transition: var(--transition);
}
.faq-item:hover { box-shadow: var(--shadow); border-color: rgba(240, 165, 0, 0.3); }
.faq-q {
  padding: 20px 24px; font-size: 16px; font-weight: 600; color: var(--brand);
  cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 16px;
}
.faq-q i { color: var(--accent); transition: transform 0.3s ease; flex-shrink: 0; }
.faq-item.active .faq-q i { transform: rotate(180deg); }
.faq-a {
  max-height: 0; overflow: hidden; transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.faq-item.active .faq-a { max-height: 300px; }
.faq-a p { padding: 0 24px 20px; font-size: 15px; color: var(--text-sub); line-height: 1.8; }

/* ===== CTA ===== */
.cta-section {
  position: relative; padding: 96px 0;
  background-image: url('/assets/images/backpic/back-3.png');
  background-size: cover; background-position: center;
}
.cta-section::before { content: ''; position: absolute; inset: 0; background: rgba(9, 24, 43, 0.85); }
.cta-inner { position: relative; z-index: 1; text-align: center; max-width: 680px; margin: 0 auto; }
.cta-inner h2 { font-size: 38px; font-weight: 800; color: #fff; margin-bottom: 16px; }
.cta-inner h2 span { color: var(--accent); }
.cta-inner p { color: rgba(255, 255, 255, 0.7); font-size: 17px; margin-bottom: 36px; }
.cta-btns { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.cta-note { color: rgba(255, 255, 255, 0.4); font-size: 13px; margin-top: 24px; }
@media (max-width: 768px) {
  .cta-section { padding: 64px 0; }
  .cta-inner h2 { font-size: 28px; }
}

/* ===== 页脚 ===== */
.site-footer {
  background: var(--brand-dark); color: rgba(255, 255, 255, 0.6);
  padding: 48px 0 24px; font-size: 14px;
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.footer-brand .brand-text { color: #fff; margin-bottom: 12px; }
.footer-brand p { line-height: 1.8; font-size: 13px; }
.footer-col h4 { color: #fff; font-size: 16px; font-weight: 700; margin-bottom: 16px; }
.footer-col a { display: block; padding: 5px 0; color: rgba(255, 255, 255, 0.5); font-size: 14px; }
.footer-col a:hover { color: var(--accent); }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08); padding-top: 24px;
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px;
}
.footer-bottom .copy { font-size: 13px; }
.footer-bottom a { color: rgba(255, 255, 255, 0.4); margin-left: 8px; }
@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

/* ===== 组件补充 ===== */
.badge-accent {
  display: inline-block; background: rgba(240, 165, 0, 0.12); color: var(--accent-dark);
  padding: 4px 14px; border-radius: 20px; font-size: 12px; font-weight: 700;
}
.text-gradient {
  background: linear-gradient(135deg, #f0a500, #ffd75e);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.card-hover-shadow { transition: var(--transition); }
.card-hover-shadow:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }

/* ===== 焦点可访问性 ===== */
a:focus-visible, button:focus-visible, input:focus-visible {
  outline: 3px solid rgba(240, 165, 0, 0.5); outline-offset: 2px;
}

/* ===== 滚动条美化 ===== */
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: #f1f5f9; }
::-webkit-scrollbar-thumb { background: #94a3b8; border-radius: 5px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-sub); }

/* roulang page: category1 */
:root {
  --primary: #0b2545;
  --primary-light: #13315c;
  --accent: #ff6b35;
  --accent-hover: #e85d2a;
  --teal: #0ea5e9;
  --bg: #f6f8fc;
  --bg-alt: #eef2f9;
  --text: #1e293b;
  --text-weak: #64748b;
  --border: #e2e8f0;
  --radius: 18px;
  --radius-lg: 26px;
  --shadow: 0 10px 30px rgba(2, 12, 27, 0.08);
  --shadow-lg: 0 24px 50px rgba(2, 12, 27, 0.12);
  --font-main: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
}
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: var(--font-main);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul, ol { list-style: none; }
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}
/* ========== Header ========== */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.6);
  box-shadow: 0 2px 20px rgba(2, 12, 27, 0.04);
}
.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 16px;
}
.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.brand-mark {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: linear-gradient(135deg, #0b2545, #1e4a7a);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ff6b35;
  font-size: 18px;
  box-shadow: 0 4px 12px rgba(11, 37, 69, 0.25);
}
.brand-text {
  font-size: 22px;
  font-weight: 800;
  color: #0b2545;
  letter-spacing: 1px;
  line-height: 1.2;
}
.brand-text span {
  color: #ff6b35;
}
.nav-menu {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px;
  background: #f1f5f9;
  border-radius: 14px;
}
.nav-menu a {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 9px 18px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
  color: #475569;
  transition: all 0.3s ease;
  white-space: nowrap;
}
.nav-menu a:hover {
  color: #0b2545;
  background: rgba(255, 255, 255, 0.8);
}
.nav-menu a.active {
  background: #0b2545;
  color: #ffffff;
  box-shadow: 0 4px 15px rgba(11, 37, 69, 0.25);
}
.nav-menu a i {
  font-size: 13px;
  opacity: 0.8;
}
.nav-cta {
  display: flex;
  align-items: center;
  gap: 10px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 12px;
  font-size: 14px;
  font-weight: 700;
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
  line-height: 1.4;
}
.btn-sm {
  padding: 9px 18px;
  font-size: 13px;
  border-radius: 10px;
}
.btn-accent {
  background: linear-gradient(135deg, #ff6b35, #ff8a5c);
  color: #fff;
  box-shadow: 0 6px 18px rgba(255, 107, 53, 0.35);
}
.btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(255, 107, 53, 0.45);
}
.btn-accent:active {
  transform: translateY(0);
  box-shadow: 0 4px 10px rgba(255, 107, 53, 0.3);
}
.btn-navy {
  background: #0b2545;
  color: #fff;
  box-shadow: 0 6px 18px rgba(11, 37, 69, 0.2);
}
.btn-navy:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(11, 37, 69, 0.3);
}
.btn-outline {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255, 255, 255, 0.6);
}
.btn-outline:hover {
  border-color: #fff;
  background: rgba(255, 255, 255, 0.1);
}
.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: none;
  background: #f1f5f9;
  border-radius: 10px;
  font-size: 18px;
  color: #0b2545;
  cursor: pointer;
  transition: all 0.3s ease;
}
.nav-toggle:hover {
  background: #e2e8f0;
}
/* ========== Hero ========== */
.page-hero {
  position: relative;
  padding: 90px 0 80px;
  background-size: cover;
  background-position: center;
  color: #fff;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(11, 37, 69, 0.92) 0%, rgba(11, 37, 69, 0.75) 50%, rgba(255, 107, 53, 0.35) 100%);
}
.page-hero .container {
  position: relative;
  z-index: 2;
}
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 20px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 8px 16px;
  border-radius: 30px;
  display: inline-flex;
  backdrop-filter: blur(8px);
}
.breadcrumb a {
  color: rgba(255, 255, 255, 0.8);
  transition: color 0.3s;
}
.breadcrumb a:hover {
  color: #ff8a5c;
}
.breadcrumb i {
  font-size: 10px;
  opacity: 0.6;
}
.page-hero h1 {
  font-size: 42px;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 16px;
  letter-spacing: 1px;
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}
.page-hero h1 span {
  color: #ff6b35;
}
.page-hero .hero-desc {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.85);
  max-width: 640px;
  line-height: 1.8;
  margin-bottom: 30px;
}
.hero-stats {
  display: flex;
  gap: 24px;
  margin-top: 36px;
  flex-wrap: wrap;
}
.hero-stat {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 14px;
  padding: 14px 22px;
  backdrop-filter: blur(10px);
}
.hero-stat .num {
  font-size: 24px;
  font-weight: 800;
  color: #ff8a5c;
  display: block;
}
.hero-stat .label {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7);
}
/* ========== Section common ========== */
.section {
  padding: 80px 0;
}
.section-alt {
  background: #eef2f9;
}
.section-head {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 48px;
}
.section-head .section-tag {
  display: inline-block;
  padding: 6px 16px;
  background: rgba(255, 107, 53, 0.1);
  color: #e85d2a;
  border-radius: 30px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1px;
  margin-bottom: 14px;
}
.section-head h2 {
  font-size: 32px;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.3;
  margin-bottom: 12px;
}
.section-head p {
  color: var(--text-weak);
  font-size: 16px;
  line-height: 1.8;
}
/* ========== Timeline Steps ========== */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
}
.step-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 30px 24px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  position: relative;
  transition: all 0.35s ease;
  text-align: center;
}
.step-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(255, 107, 53, 0.3);
}
.step-num {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: linear-gradient(135deg, #0b2545, #1e4a7a);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 800;
  margin: 0 auto 18px;
  box-shadow: 0 8px 20px rgba(11, 37, 69, 0.25);
  position: relative;
}
.step-card:nth-child(2) .step-num { background: linear-gradient(135deg, #e85d2a, #ff8a5c); box-shadow: 0 8px 20px rgba(255, 107, 53, 0.3); }
.step-card:nth-child(3) .step-num { background: linear-gradient(135deg, #0e7490, #22d3ee); box-shadow: 0 8px 20px rgba(14, 116, 144, 0.25); }
.step-card:nth-child(4) .step-num { background: linear-gradient(135deg, #166534, #22c55e); box-shadow: 0 8px 20px rgba(22, 101, 52, 0.25); }
.step-card h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 8px;
}
.step-card p {
  font-size: 14px;
  color: var(--text-weak);
  line-height: 1.7;
}
.step-card .step-icon {
  position: absolute;
  top: -12px;
  right: -8px;
  background: #fff;
  border-radius: 50%;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--border);
  color: #ff6b35;
  font-size: 13px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.06);
}
/* ========== Login Methods ========== */
.methods-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.method-card {
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  transition: all 0.35s ease;
  display: flex;
  flex-direction: column;
}
.method-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(255, 107, 53, 0.3);
}
.method-card .method-img {
  position: relative;
  height: 180px;
  overflow: hidden;
}
.method-card .method-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.method-card:hover .method-img img {
  transform: scale(1.06);
}
.method-card .method-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(11, 37, 69, 0.3), transparent 60%);
}
.method-body {
  padding: 28px 26px 30px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.method-body .method-badge {
  display: inline-block;
  padding: 5px 14px;
  background: rgba(255, 107, 53, 0.1);
  color: #e85d2a;
  border-radius: 30px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.5px;
  margin-bottom: 12px;
  align-self: flex-start;
}
.method-body h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 10px;
}
.method-body p {
  font-size: 14px;
  color: var(--text-weak);
  line-height: 1.75;
  flex: 1;
}
.method-body .method-meta {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px dashed var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: var(--text-weak);
}
.method-body .method-meta .tag {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 12px;
  padding: 3px 10px;
  background: #f1f5f9;
  border-radius: 20px;
  color: #475569;
}
.method-body .method-meta i {
  color: var(--accent);
}
/* ========== Safety ========== */
.safety-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.safety-item {
  background: #fff;
  border-radius: var(--radius);
  padding: 28px 24px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  text-align: left;
  transition: all 0.35s ease;
  position: relative;
  overflow: hidden;
}
.safety-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(to bottom, #0b2545, #0ea5e9);
  opacity: 0.6;
  transition: opacity 0.3s;
}
.safety-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}
.safety-item:hover::before {
  opacity: 1;
}
.safety-item .safety-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(11, 37, 69, 0.08), rgba(14, 165, 233, 0.08));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: var(--primary);
  margin-bottom: 16px;
}
.safety-item h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 8px;
}
.safety-item p {
  font-size: 13px;
  color: var(--text-weak);
  line-height: 1.7;
}
/* ========== Tutorial Cards ========== */
.tutorial-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.tutorial-card {
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  transition: all 0.35s ease;
  display: flex;
  flex-direction: column;
}
.tutorial-card:hover {
  transform: translateY(-8px) scale(1.01);
  box-shadow: var(--shadow-lg);
}
.tutorial-card .tutorial-img {
  height: 200px;
  overflow: hidden;
  position: relative;
}
.tutorial-card .tutorial-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.tutorial-card:hover .tutorial-img img {
  transform: scale(1.06);
}
.tutorial-card .tutorial-img .tutorial-cat {
  position: absolute;
  top: 14px;
  left: 14px;
  padding: 5px 14px;
  background: rgba(255, 255, 255, 0.92);
  color: #0b2545;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 700;
  backdrop-filter: blur(4px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}
.tutorial-body {
  padding: 24px 26px 26px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.tutorial-body h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.5;
  margin-bottom: 10px;
  transition: color 0.3s;
}
.tutorial-card:hover .tutorial-body h3 {
  color: #e85d2a;
}
.tutorial-body p {
  font-size: 14px;
  color: var(--text-weak);
  line-height: 1.7;
  flex: 1;
  margin-bottom: 16px;
}
.tutorial-body .tutorial-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 12px;
  color: #94a3b8;
  padding-top: 14px;
  border-top: 1px solid #f1f5f9;
}
.tutorial-body .tutorial-meta i {
  margin-right: 4px;
  color: var(--accent);
}
/* ========== FAQ ========== */
.faq-wrap {
  max-width: 820px;
  margin: 0 auto;
}
.faq-item {
  background: #fff;
  border-radius: 16px;
  border: 1px solid var(--border);
  margin-bottom: 14px;
  overflow: hidden;
  transition: all 0.3s ease;
  box-shadow: 0 2px 8px rgba(2, 12, 27, 0.04);
}
.faq-item:hover {
  border-color: rgba(255, 107, 53, 0.25);
}
.faq-item .faq-q {
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  font-weight: 600;
  font-size: 15px;
  color: var(--primary);
  transition: all 0.3s;
}
.faq-item .faq-q:hover {
  color: #e85d2a;
}
.faq-item .faq-q i {
  font-size: 14px;
  color: var(--accent);
  transition: transform 0.3s ease;
  flex-shrink: 0;
  margin-left: 16px;
}
.faq-item.active .faq-q i {
  transform: rotate(180deg);
}
.faq-item .faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}
.faq-item .faq-a-inner {
  padding: 0 24px 20px;
  font-size: 14px;
  color: var(--text-weak);
  line-height: 1.8;
  border-top: 1px dashed #f1f5f9;
  padding-top: 14px;
}
/* ========== CTA ========== */
.cta-section {
  position: relative;
  padding: 80px 0;
  background-size: cover;
  background-position: center;
  color: #fff;
}
.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(11, 37, 69, 0.94), rgba(11, 37, 69, 0.82));
}
.cta-section .container {
  position: relative;
  z-index: 2;
  text-align: center;
}
.cta-section h2 {
  font-size: 34px;
  font-weight: 800;
  margin-bottom: 14px;
}
.cta-section p {
  max-width: 560px;
  margin: 0 auto 30px;
  color: rgba(255, 255, 255, 0.8);
  font-size: 16px;
  line-height: 1.8;
}
.cta-btns {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}
.cta-section .btn-accent {
  background: linear-gradient(135deg, #ff6b35, #ff8a5c);
}
/* ========== Footer ========== */
.site-footer {
  background: #0b1a2e;
  color: rgba(255, 255, 255, 0.6);
  padding: 70px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 50px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.footer-brand .brand-text {
  color: #fff;
  font-size: 24px;
  margin-bottom: 14px;
  display: block;
}
.footer-brand .brand-text span {
  color: #ff6b35;
}
.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.5);
  max-width: 320px;
}
.footer-col h4 {
  font-size: 15px;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 18px;
  position: relative;
  padding-bottom: 10px;
}
.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 28px;
  height: 2px;
  background: #ff6b35;
  border-radius: 2px;
}
.footer-col a {
  display: flex;
  align-items: center;
  gap: 8px;
  color: rgba(255, 255, 255, 0.5);
  font-size: 14px;
  padding: 6px 0;
  transition: all 0.3s;
}
.footer-col a:hover {
  color: #ff8a5c;
  padding-left: 6px;
}
.footer-col a i {
  font-size: 11px;
  color: #ff6b35;
  width: 16px;
  text-align: center;
}
.footer-bottom {
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
}
.copy {
  color: rgba(255, 255, 255, 0.4);
}
.footer-links {
  display: flex;
  gap: 18px;
}
.footer-links a {
  color: rgba(255, 255, 255, 0.4);
  font-size: 13px;
  transition: color 0.3s;
}
.footer-links a:hover {
  color: #ff8a5c;
}
/* ========== Responsive ========== */
@media (max-width: 1024px) {
  .steps-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .safety-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .methods-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .tutorial-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-hero h1 {
    font-size: 34px;
  }
}
@media (max-width: 768px) {
  .nav-menu {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    flex-direction: column;
    background: #fff;
    padding: 16px;
    border-radius: 0 0 20px 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    gap: 8px;
    border-top: 1px solid #f1f5f9;
  }
  .nav-menu.open {
    display: flex;
  }
  .nav-menu a {
    width: 100%;
    padding: 14px 16px;
    border-radius: 12px;
    font-size: 15px;
  }
  .nav-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .nav-cta .btn-sm {
    display: none;
  }
  .page-hero {
    padding: 60px 0;
  }
  .page-hero h1 {
    font-size: 28px;
  }
  .page-hero .hero-desc {
    font-size: 15px;
  }
  .section {
    padding: 60px 0;
  }
  .section-head h2 {
    font-size: 26px;
  }
  .steps-grid {
    grid-template-columns: 1fr;
  }
  .methods-grid {
    grid-template-columns: 1fr;
  }
  .tutorial-grid {
    grid-template-columns: 1fr;
  }
  .safety-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .footer-bottom {
    flex-direction: column-reverse;
    text-align: center;
  }
  .hero-stats {
    gap: 12px;
  }
  .hero-stat {
    padding: 10px 16px;
    flex: 1;
  }
  .cta-section h2 {
    font-size: 26px;
  }
}
@media (max-width: 520px) {
  .container {
    padding: 0 16px;
  }
  .brand-text {
    font-size: 18px;
  }
  .brand-mark {
    width: 34px;
    height: 34px;
    font-size: 15px;
    border-radius: 10px;
  }
  .nav-container {
    height: 62px;
  }
  .page-hero h1 {
    font-size: 24px;
  }
  .page-hero .hero-desc {
    font-size: 14px;
  }
  .hero-stat .num {
    font-size: 18px;
  }
  .hero-stat .label {
    font-size: 11px;
  }
  .section-head h2 {
    font-size: 22px;
  }
  .step-card {
    padding: 24px 18px;
  }
  .method-body {
    padding: 20px 18px;
  }
  .faq-item .faq-q {
    padding: 16px 18px;
    font-size: 14px;
  }
  .faq-item .faq-a-inner {
    padding: 0 18px 16px;
    font-size: 13px;
  }
  .cta-btns .btn {
    width: 100%;
  }
}

/* roulang page: article */
:root{
  --c-primary:#0f766e;
  --c-primary-dark:#115e59;
  --c-accent:#f59e0b;
  --c-accent-dark:#d97706;
  --c-bg:#f8fafc;
  --c-card:#ffffff;
  --c-text:#0f172a;
  --c-text-weak:#64748b;
  --c-border:#e2e8f0;
  --radius-lg:18px;
  --radius-md:12px;
  --radius-sm:8px;
  --shadow-sm:0 1px 3px rgba(0,0,0,0.06),0 1px 2px rgba(0,0,0,0.04);
  --shadow-md:0 6px 20px rgba(0,0,0,0.08);
  --shadow-lg:0 18px 44px rgba(0,0,0,0.13);
  --space-section:96px;
  --transition:all .25s cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-sans,"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif);
  line-height:1.7;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;transition:var(--transition)}
img{max-width:100%;display:block}
button,input,select,textarea{font:inherit;color:inherit;background:none;border:none;outline:none}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.mr-2{margin-right:.45rem}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  font-weight:700;
  border-radius:999px;
  padding:12px 28px;
  font-size:.95rem;
  line-height:1.2;
  cursor:pointer;
  transition:var(--transition);
  border:2px solid transparent;
  white-space:nowrap;
}
.btn-sm{padding:8px 18px;font-size:.85rem}
.btn-accent{
  background:linear-gradient(135deg,#f59e0b,#d97706);
  color:#fff;
  box-shadow:0 4px 16px rgba(245,158,11,.35);
}
.btn-accent:hover{
  transform:translateY(-2px);
  box-shadow:0 8px 24px rgba(245,158,11,.45);
  color:#fff;
}
.btn-accent:active{transform:translateY(0)}
.btn-primary{
  background:linear-gradient(135deg,#0f766e,#115e59);
  color:#fff;
  box-shadow:0 4px 16px rgba(15,118,110,.3);
}
.btn-primary:hover{
  transform:translateY(-2px);
  box-shadow:0 8px 24px rgba(15,118,110,.4);
  color:#fff;
}
.btn-light{
  background:#fff;color:var(--c-primary);
  border-color:rgba(255,255,255,.6);
}
.btn-light:hover{background:#f0fdfa;color:var(--c-primary-dark);transform:translateY(-2px)}
.btn:focus-visible{
  outline:3px solid rgba(15,118,110,.4);
  outline-offset:2px;
}

/* topbar */
.topbar{
  background:#0b3b36;
  color:rgba(255,255,255,.85);
  font-size:.82rem;
  padding:6px 0;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.topbar-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.topbar-text{
  display:flex;
  align-items:center;
  gap:7px;
  font-weight:500;
}
.topbar-text i{color:var(--c-accent)}
.topbar-links{
  display:flex;
  gap:20px;
}
.topbar-links a{
  display:inline-flex;
  align-items:center;
  gap:6px;
  transition:color .2s;
}
.topbar-links a:hover{color:#fff}

/* header */
.site-nav{
  background:rgba(255,255,255,.95);
  backdrop-filter:blur(12px);
  position:sticky;
  top:0;
  z-index:60;
  border-bottom:1px solid var(--c-border);
  box-shadow:var(--shadow-sm);
}
.nav-container{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:72px;
  gap:18px;
}
.brand-logo{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.brand-mark{
  width:42px;height:42px;
  border-radius:12px;
  background:linear-gradient(135deg,#0f766e,#14b8a6);
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:18px;
  box-shadow:0 4px 12px rgba(15,118,110,.3);
}
.brand-text{
  font-size:1.4rem;
  font-weight:800;
  letter-spacing:-0.02em;
  color:var(--c-text);
  line-height:1.2;
}
.brand-text span{color:var(--c-primary)}

.nav-menu{
  display:flex;
  gap:8px;
  align-items:center;
}
.nav-menu a{
  font-size:.94rem;
  font-weight:600;
  color:var(--c-text-weak);
  padding:8px 16px;
  border-radius:999px;
  position:relative;
  transition:var(--transition);
}
.nav-menu a:hover{
  color:var(--c-primary);
  background:rgba(15,118,110,.06);
}
.nav-menu a.active{
  color:var(--c-primary);
  background:rgba(15,118,110,.1);
  font-weight:700;
}
.nav-cta{
  display:flex;
  align-items:center;
  gap:12px;
  flex-shrink:0;
}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  border-radius:10px;
  background:var(--c-bg);
  color:var(--c-text);
  font-size:1.1rem;
  align-items:center;
  justify-content:center;
  cursor:pointer;
  transition:var(--transition);
}
.nav-toggle:hover{background:#e2e8f0}

/* article hero */
.article-hero{
  position:relative;
  padding:78px 0 68px;
  background:linear-gradient(135deg,#0b3b36 0%,#0f766e 55%,#115e59 100%);
  color:#fff;
  overflow:hidden;
}
.article-hero::before{
  content:'';
  position:absolute;
  inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center 30%;
  opacity:.18;
}
.article-hero::after{
  content:'';
  position:absolute;
  bottom:-60px;right:-60px;
  width:300px;height:300px;
  border-radius:50%;
  background:rgba(245,158,11,.12);
  filter:blur(70px);
}
.article-hero .container{
  position:relative;
  z-index:2;
}
.hero-breadcrumb{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:.85rem;
  color:rgba(255,255,255,.7);
  margin-bottom:24px;
  flex-wrap:wrap;
}
.hero-breadcrumb a{color:rgba(255,255,255,.7)}
.hero-breadcrumb a:hover{color:#fff}
.hero-breadcrumb .sep{opacity:.5}
.hero-breadcrumb .current{color:#fff;font-weight:600}
.article-hero h1{
  font-size:clamp(1.6rem,3vw,2.5rem);
  font-weight:800;
  line-height:1.35;
  max-width:860px;
  margin-bottom:20px;
  text-shadow:0 2px 14px rgba(0,0,0,.15);
}
.hero-meta{
  display:flex;
  align-items:center;
  gap:20px;
  flex-wrap:wrap;
  font-size:.88rem;
  color:rgba(255,255,255,.8);
}
.hero-meta .meta-item{
  display:inline-flex;
  align-items:center;
  gap:7px;
}
.hero-meta .badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  background:rgba(255,255,255,.16);
  backdrop-filter:blur(6px);
  border:1px solid rgba(255,255,255,.2);
  padding:5px 14px;
  border-radius:999px;
  font-size:.8rem;
  font-weight:600;
  color:#fff;
}

/* breadcrumb section under hero */
.bcrumb-wrap{
  background:#fff;
  border-bottom:1px solid var(--c-border);
  padding:14px 0;
  font-size:.85rem;
}
.bcrumb-inner{
  display:flex;
  align-items:center;
  gap:8px;
  flex-wrap:wrap;
  color:var(--c-text-weak);
}
.bcrumb-inner a{color:var(--c-text-weak)}
.bcrumb-inner a:hover{color:var(--c-primary)}
.bcrumb-inner .sep{opacity:.5}
.bcrumb-inner .current{color:var(--c-text);font-weight:600}

/* main layout */
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 340px;
  gap:44px;
  padding:60px 0;
  align-items:start;
}
.article-main{
  min-width:0;
}
.article-card{
  background:#fff;
  border-radius:var(--radius-lg);
  border:1px solid var(--c-border);
  box-shadow:var(--shadow-sm);
  padding:44px;
}
.article-body{
  font-size:1.03rem;
  line-height:1.9;
  color:#334155;
  overflow-wrap:break-word;
}
.article-body > * + *{margin-top:1.25em}
.article-body h2{
  font-size:1.5rem;
  font-weight:800;
  color:var(--c-text);
  margin:1.6em 0 .7em;
  padding-left:16px;
  border-left:4px solid var(--c-primary);
  line-height:1.4;
}
.article-body h3{
  font-size:1.2rem;
  font-weight:700;
  color:var(--c-text);
  margin:1.4em 0 .6em;
}
.article-body p{
  margin-bottom:1em;
}
.article-body a{
  color:var(--c-primary);
  font-weight:600;
  border-bottom:1px solid transparent;
}
.article-body a:hover{border-bottom-color:var(--c-primary)}
.article-body ul,.article-body ol{
  padding-left:1.6em;
  margin:1em 0;
}
.article-body li{
  margin:.5em 0;
}
.article-body ul li::marker{color:var(--c-primary)}
.article-body ol li::marker{color:var(--c-primary);font-weight:700}
.article-body blockquote{
  background:#f0fdfa;
  border-left:4px solid var(--c-primary);
  padding:18px 24px;
  border-radius:0 var(--radius-md) var(--radius-md) 0;
  color:var(--c-text);
  font-style:normal;
  margin:1.4em 0;
}
.article-body img{
  border-radius:var(--radius-md);
  box-shadow:var(--shadow-md);
  margin:1.5em auto;
}
.article-body code{
  background:#f1f5f9;
  padding:2px 8px;
  border-radius:6px;
  font-size:.9em;
  font-family:ui-monospace,monospace;
  color:var(--c-primary-dark);
}
.article-body table{
  width:100%;
  border-collapse:collapse;
  margin:1.5em 0;
  font-size:.92rem;
}
.article-body th,.article-body td{
  border:1px solid var(--c-border);
  padding:10px 14px;
  text-align:left;
}
.article-body th{
  background:#f8fafc;
  font-weight:700;
  color:var(--c-text);
}
.article-body hr{
  border:none;
  border-top:1px solid var(--c-border);
  margin:2em 0;
}

/* article tags & footer */
.article-tags{
  display:flex;
  align-items:center;
  gap:10px;
  flex-wrap:wrap;
  margin-top:38px;
  padding-top:26px;
  border-top:1px solid var(--c-border);
}
.tag-label{
  font-size:.82rem;
  font-weight:700;
  color:var(--c-text-weak);
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.tag-item{
  display:inline-flex;
  align-items:center;
  gap:5px;
  background:var(--c-bg);
  border:1px solid var(--c-border);
  border-radius:999px;
  padding:4px 14px;
  font-size:.8rem;
  font-weight:600;
  color:var(--c-text-weak);
  transition:var(--transition);
}
.tag-item:hover{
  background:rgba(15,118,110,.08);
  border-color:var(--c-primary);
  color:var(--c-primary);
}

/* not found */
.not-found-card{
  text-align:center;
  padding:80px 30px;
  background:#fff;
  border-radius:var(--radius-lg);
  border:1px solid var(--c-border);
  box-shadow:var(--shadow-sm);
}
.not-found-icon{
  width:88px;height:88px;
  margin:0 auto 24px;
  border-radius:50%;
  background:#fef2f2;
  color:#ef4444;
  font-size:2rem;
  display:flex;align-items:center;justify-content:center;
}
.not-found-card h2{
  font-size:1.6rem;
  font-weight:800;
  margin-bottom:12px;
}
.not-found-card p{
  color:var(--c-text-weak);
  max-width:420px;
  margin:0 auto 28px;
}

/* sidebar */
.sidebar-sticky{
  position:sticky;
  top:100px;
  display:flex;
  flex-direction:column;
  gap:24px;
}
.side-card{
  background:#fff;
  border-radius:var(--radius-lg);
  border:1px solid var(--c-border);
  box-shadow:var(--shadow-sm);
  padding:26px;
}
.side-card-title{
  font-size:1.05rem;
  font-weight:800;
  color:var(--c-text);
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:20px;
}
.side-card-title .icon-wrap{
  width:34px;height:34px;
  border-radius:10px;
  background:rgba(15,118,110,.1);
  color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;
  font-size:.9rem;
}
.side-nav-list{
  display:flex;
  flex-direction:column;
  gap:8px;
}
.side-nav-list a{
  display:flex;
  align-items:center;
  gap:10px;
  padding:12px 16px;
  border-radius:var(--radius-md);
  font-size:.9rem;
  font-weight:600;
  color:var(--c-text-weak);
  background:var(--c-bg);
  border:1px solid transparent;
  transition:var(--transition);
}
.side-nav-list a:hover{
  color:var(--c-primary);
  background:rgba(15,118,110,.06);
  border-color:rgba(15,118,110,.15);
  transform:translateX(4px);
}
.side-nav-list a i{
  width:20px;
  text-align:center;
  color:var(--c-primary);
}
.side-contact{
  background:linear-gradient(135deg,#0f766e,#115e59);
  color:#fff;
  border-radius:var(--radius-lg);
  border:none;
  position:relative;
  overflow:hidden;
}
.side-contact::before{
  content:'';
  position:absolute;
  top:-40px;right:-40px;
  width:120px;height:120px;
  border-radius:50%;
  background:rgba(255,255,255,.08);
}
.side-contact h3{
  font-size:1.1rem;
  font-weight:800;
  margin-bottom:8px;
}
.side-contact p{
  font-size:.85rem;
  color:rgba(255,255,255,.8);
  margin-bottom:18px;
  line-height:1.6;
}
.side-contact .btn{
  width:100%;
}
.side-img{
  border-radius:var(--radius-md);
  overflow:hidden;
  margin-bottom:14px;
  position:relative;
}
.side-img img{
  width:100%;
  height:130px;
  object-fit:cover;
}
.side-img .overlay{
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,transparent 40%,rgba(11,59,54,.85));
  display:flex;
  align-items:flex-end;
  padding:12px 14px;
  color:#fff;
  font-size:.82rem;
  font-weight:700;
}

/* steps timeline */
.steps-section{
  padding:var(--space-section) 0;
  background:#fff;
  border-top:1px solid var(--c-border);
  border-bottom:1px solid var(--c-border);
}
.section-head{
  text-align:center;
  max-width:620px;
  margin:0 auto 56px;
}
.section-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:.82rem;
  font-weight:700;
  color:var(--c-primary);
  background:rgba(15,118,110,.08);
  padding:6px 18px;
  border-radius:999px;
  margin-bottom:16px;
  letter-spacing:.05em;
}
.section-title{
  font-size:clamp(1.6rem,2.6vw,2.2rem);
  font-weight:800;
  line-height:1.3;
  color:var(--c-text);
  margin-bottom:14px;
}
.section-sub{
  font-size:1rem;
  color:var(--c-text-weak);
  line-height:1.7;
}
.steps-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:28px;
}
.step-card{
  position:relative;
  background:var(--c-bg);
  border:1px solid var(--c-border);
  border-radius:var(--radius-lg);
  padding:32px 24px;
  transition:var(--transition);
  overflow:hidden;
}
.step-card:hover{
  transform:translateY(-6px);
  box-shadow:var(--shadow-md);
  border-color:rgba(15,118,110,.25);
}
.step-num{
  font-size:2.6rem;
  font-weight:900;
  color:rgba(15,118,110,.12);
  line-height:1;
  margin-bottom:16px;
  font-family:ui-monospace,monospace;
}
.step-card .step-icon{
  width:50px;height:50px;
  border-radius:14px;
  background:linear-gradient(135deg,#0f766e,#14b8a6);
  color:#fff;
  font-size:1.15rem;
  display:flex;align-items:center;justify-content:center;
  margin-bottom:18px;
  box-shadow:0 6px 18px rgba(15,118,110,.28);
}
.step-card h3{
  font-size:1.05rem;
  font-weight:800;
  margin-bottom:8px;
}
.step-card p{
  font-size:.88rem;
  color:var(--c-text-weak);
  line-height:1.6;
}
.step-arrow{
  position:absolute;
  right:-16px;
  top:50%;
  transform:translateY(-50%);
  width:30px;height:30px;
  background:#fff;
  border:1px solid var(--c-border);
  border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  color:var(--c-primary);
  font-size:.75rem;
  z-index:2;
  box-shadow:var(--shadow-sm);
}

/* services / trust */
.services-section{
  padding:var(--space-section) 0;
  background:var(--c-bg);
}
.services-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.service-card{
  background:#fff;
  border-radius:var(--radius-lg);
  border:1px solid var(--c-border);
  box-shadow:var(--shadow-sm);
  padding:32px 28px;
  transition:var(--transition);
  position:relative;
  overflow:hidden;
}
.service-card::before{
  content:'';
  position:absolute;
  top:0;left:0;right:0;
  height:3px;
  background:linear-gradient(90deg,#0f766e,#14b8a6);
  opacity:0;
  transition:opacity .3s;
}
.service-card:hover{
  transform:translateY(-5px);
  box-shadow:var(--shadow-md);
}
.service-card:hover::before{opacity:1}
.service-icon{
  width:52px;height:52px;
  border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  font-size:1.2rem;
  margin-bottom:20px;
  background:rgba(15,118,110,.1);
  color:var(--c-primary);
}
.service-card h3{
  font-size:1.08rem;
  font-weight:800;
  margin-bottom:10px;
}
.service-card p{
  font-size:.88rem;
  color:var(--c-text-weak);
  line-height:1.65;
}
.service-tag{
  display:inline-flex;
  align-items:center;
  gap:5px;
  background:rgba(245,158,11,.1);
  color:#b45309;
  font-size:.75rem;
  font-weight:700;
  padding:3px 12px;
  border-radius:999px;
  margin-top:14px;
}

/* faq */
.faq-section{
  padding:var(--space-section) 0;
  background:#fff;
}
.faq-grid{
  max-width:820px;
  margin:0 auto;
  display:flex;
  flex-direction:column;
  gap:16px;
}
.faq-item{
  background:var(--c-bg);
  border:1px solid var(--c-border);
  border-radius:var(--radius-lg);
  overflow:hidden;
  transition:var(--transition);
}
.faq-item:hover{
  border-color:rgba(15,118,110,.25);
  box-shadow:var(--shadow-sm);
}
.faq-q{
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:22px 28px;
  cursor:pointer;
  font-weight:700;
  font-size:1rem;
  gap:16px;
  position:relative;
}
.faq-q .q-icon{
  width:28px;height:28px;
  border-radius:50%;
  background:rgba(15,118,110,.1);
  color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;
  flex-shrink:0;
  font-size:.8rem;
}
.faq-q .chevron{
  color:var(--c-text-weak);
  transition:transform .3s;
  font-size:.9rem;
}
.faq-item.open .faq-q .chevron{
  transform:rotate(180deg);
}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .4s ease;
}
.faq-a-inner{
  padding:0 28px 24px;
  color:var(--c-text-weak);
  font-size:.93rem;
  line-height:1.8;
  padding-left:56px;
}
.faq-item.open .faq-a{
  max-height:300px;
}

/* cta */
.cta-section{
  padding:var(--space-section) 0;
  background:var(--c-bg);
}
.cta-card{
  position:relative;
  border-radius:24px;
  overflow:hidden;
  background:linear-gradient(120deg,#0b3b36,#0f766e 60%,#14b8a6);
  color:#fff;
  padding:72px 64px;
  text-align:center;
  box-shadow:var(--shadow-lg);
}
.cta-card::before{
  content:'';
  position:absolute;
  inset:0;
  background-image:url('/assets/images/backpic/back-3.png');
  background-size:cover;
  background-position:center;
  opacity:.15;
  mix-blend-mode:overlay;
}
.cta-card::after{
  content:'';
  position:absolute;
  top:-80px;left:50%;
  transform:translateX(-50%);
  width:400px;height:200px;
  border-radius:50%;
  background:rgba(255,255,255,.08);
  filter:blur(60px);
}
.cta-card > *{
  position:relative;
  z-index:2;
}
.cta-card h2{
  font-size:clamp(1.6rem,3vw,2.4rem);
  font-weight:800;
  margin-bottom:16px;
  text-shadow:0 2px 10px rgba(0,0,0,.2);
}
.cta-card p{
  font-size:1rem;
  color:rgba(255,255,255,.85);
  max-width:560px;
  margin:0 auto 32px;
  line-height:1.7;
}
.cta-btns{
  display:flex;
  justify-content:center;
  gap:16px;
  flex-wrap:wrap;
}
.cta-note{
  margin-top:20px;
  font-size:.8rem;
  color:rgba(255,255,255,.7);
  display:flex;
  align-items:center;
  justify-content:center;
  gap:8px;
}

/* footer */
.site-footer{
  background:#0b3b36;
  color:rgba(255,255,255,.82);
  padding:70px 0 0;
  position:relative;
}
.site-footer::before{
  content:'';
  position:absolute;
  top:0;left:0;right:0;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.15),transparent);
}
.footer-grid{
  display:grid;
  grid-template-columns:2fr 1fr 1fr 1.2fr;
  gap:44px;
  padding-bottom:50px;
}
.footer-brand .brand-text{
  color:#fff;
  font-size:1.5rem;
  margin-bottom:16px;
}
.footer-brand .brand-text span{color:#5eead4}
.footer-brand p{
  font-size:.9rem;
  line-height:1.7;
  color:rgba(255,255,255,.65);
  max-width:280px;
}
.footer-col h4{
  font-size:.95rem;
  font-weight:800;
  color:#fff;
  margin-bottom:20px;
  letter-spacing:.03em;
  position:relative;
  padding-bottom:10px;
}
.footer-col h4::after{
  content:'';
  position:absolute;
  bottom:0;left:0;
  width:26px;height:2px;
  background:#5eead4;
  border-radius:2px;
}
.footer-col a{
  display:block;
  padding:5px 0;
  font-size:.88rem;
  color:rgba(255,255,255,.65);
  transition:var(--transition);
}
.footer-col a:hover{
  color:#fff;
  padding-left:6px;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:22px 0;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:.82rem;
  color:rgba(255,255,255,.5);
  flex-wrap:wrap;
}
.footer-links{
  display:flex;
  gap:20px;
}
.footer-links a{
  color:rgba(255,255,255,.5);
  transition:color .2s;
}
.footer-links a:hover{color:#fff}

/* responsive */
@media (max-width:1024px){
  .steps-grid{grid-template-columns:repeat(2,1fr);gap:20px}
  .step-arrow{display:none}
  .article-layout{grid-template-columns:1fr 300px;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-card{padding:56px 36px}
}
@media (max-width:768px){
  :root{--space-section:72px}
  .nav-menu{
    position:fixed;
    top:110px;
    left:0;right:0;
    background:#fff;
    flex-direction:column;
    padding:20px 24px;
    gap:12px;
    border-bottom:1px solid var(--c-border);
    box-shadow:var(--shadow-md);
    transform:translateY(-130%);
    transition:transform .35s ease;
    z-index:59;
    align-items:stretch;
  }
  .nav-menu.open{
    transform:translateY(0);
  }
  .nav-menu a{
    display:block;
    padding:12px 16px;
    text-align:left;
    border-radius:var(--radius-md);
    font-size:1rem;
  }
  .nav-toggle{
    display:flex;
  }
  .article-layout{
    grid-template-columns:1fr;
  }
  .sidebar-sticky{
    position:static;
    margin-top:0;
  }
  .steps-grid{grid-template-columns:1fr;max-width:420px;margin:0 auto}
  .services-grid{grid-template-columns:1fr;max-width:440px;margin:0 auto}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column;text-align:center}
  .article-card{padding:28px 20px}
  .cta-card{padding:48px 24px}
  .topbar-links{display:none}
  .nav-container{height:64px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .article-hero{padding:52px 0 46px}
  .hero-meta{gap:12px}
  .btn{padding:10px 20px}
  .cta-btns .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .article-card{padding:22px 16px}
  .article-body{font-size:.97rem}
  .faq-q{padding:18px 18px}
  .faq-a-inner{padding-left:18px}
  .service-card{padding:26px 20px}
}

/* roulang page: category2 */
:root {
    --primary: #0d9488;
    --primary-dark: #0f766e;
    --primary-light: #ccfbf1;
    --accent: #f59e0b;
    --accent-dark: #d97706;
    --ink: #0f172a;
    --soft: #475569;
    --mist: #f0fdfa;
    --line: #e2e8f0;
    --radius: 16px;
    --radius-sm: 10px;
    --shadow-card: 0 4px 20px rgba(13, 148, 136, 0.08);
    --shadow-hover: 0 12px 32px rgba(13, 148, 136, 0.16);
  }
  * { box-sizing: border-box; margin: 0; padding: 0; }
  html { scroll-behavior: smooth; }
  body {
    font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, sans-serif;
    background: #ffffff;
    color: var(--ink);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
  }
  .container { max-width: 1200px; margin: 0 auto; padding-left: 1.25rem; padding-right: 1.25rem; }
  a { text-decoration: none; color: inherit; transition: color 0.25s ease; }
  a:hover { color: var(--primary); }
  img { display: block; max-width: 100%; }
  button { font-family: inherit; cursor: pointer; }
  input, textarea, select { font-family: inherit; }

  /* ===== Top Bar ===== */
  .top-bar {
    background: #0b1220;
    color: #cbd5e1;
    font-size: 0.85rem;
    padding: 8px 0;
    border-bottom: 1px solid rgba(255,255,255,0.06);
  }
  .top-bar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
  }
  .top-bar-info { display: flex; align-items: center; gap: 20px; }
  .top-bar-info i { color: var(--accent); margin-right: 6px; }
  .top-bar-links { display: flex; align-items: center; gap: 16px; }
  .top-bar-links a { color: #cbd5e1; font-size: 0.82rem; display: inline-flex; align-items: center; gap: 5px; }
  .top-bar-links a:hover { color: #fff; }

  /* ===== Header / Nav ===== */
  .site-nav {
    background: white;
    box-shadow: 0 2px 12px rgba(2, 44, 34, 0.06);
    padding: 0;
    position: sticky;
    top: 0;
    z-index: 100;
  }
  .nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
    gap: 16px;
  }
  .brand-logo {
    display: flex;
    align-items: center;
    gap: 10px;
  }
  .brand-mark {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: linear-gradient(135deg, #0d9488 0%, #0f766e 60%, #115e59 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.1rem;
    box-shadow: 0 6px 16px rgba(13, 148, 136, 0.35);
    flex-shrink: 0;
  }
  .brand-text {
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--ink);
    letter-spacing: 0.05em;
    line-height: 1.2;
    white-space: nowrap;
  }
  .brand-text span {
    color: var(--primary);
    font-weight: 800;
  }
  .nav-menu {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 0;
    list-style: none;
  }
  .nav-menu a {
    color: var(--soft);
    font-size: 0.95rem;
    font-weight: 500;
    padding: 10px 16px;
    border-radius: 999px;
    white-space: nowrap;
    transition: all 0.25s ease;
    position: relative;
  }
  .nav-menu a:hover {
    color: var(--primary);
    background: var(--mist);
  }
  .nav-menu a.active {
    color: #fff;
    background: var(--primary);
    font-weight: 600;
    box-shadow: 0 6px 16px rgba(13, 148, 136, 0.30);
  }
  .nav-cta {
    display: flex;
    align-items: center;
    gap: 10px;
  }
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: 999px;
    font-size: 0.92rem;
    font-weight: 600;
    border: none;
    transition: all 0.25s ease;
    white-space: nowrap;
  }
  .btn-accent {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    color: #fff;
    box-shadow: 0 8px 20px rgba(245, 158, 11, 0.30);
  }
  .btn-accent:hover {
    box-shadow: 0 12px 28px rgba(245, 158, 11, 0.40);
    transform: translateY(-2px);
  }
  .btn-sm { padding: 8px 16px; font-size: 0.85rem; }
  .btn-outline {
    background: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
  }
  .btn-outline:hover { background: var(--primary); color: #fff; }
  .nav-toggle {
    display: none;
    background: transparent;
    border: none;
    color: var(--ink);
    font-size: 1.4rem;
  }
  .nav-toggle:focus { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 8px; }

  /* ===== Page Hero / Banner ===== */
  .page-hero {
    background: linear-gradient(135deg, #0b1220 0%, #0f2c28 40%, #0d9488 100%);
    position: relative;
    overflow: hidden;
    padding: 90px 0 70px;
    color: white;
  }
  .page-hero::before {
    content: '';
    position: absolute;
    right: -80px;
    top: -120px;
    width: 360px;
    height: 360px;
    border-radius: 50%;
    background: rgba(13, 148, 136, 0.25);
    filter: blur(20px);
  }
  .page-hero::after {
    content: '';
    position: absolute;
    left: -60px;
    bottom: -140px;
    width: 320px;
    height: 320px;
    border-radius: 50%;
    background: rgba(245, 158, 11, 0.12);
    filter: blur(20px);
  }
  .page-hero .container {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    gap: 50px;
  }
  .page-hero-content { max-width: 620px; }
  .page-hero .tag-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255,255,255,0.12);
    backdrop-filter: blur(10px);
    padding: 6px 16px;
    border-radius: 999px;
    font-size: 0.82rem;
    color: #ccfbf1;
    border: 1px solid rgba(255,255,255,0.14);
    margin-bottom: 20px;
  }
  .page-hero h1 {
    font-size: 2.6rem;
    font-weight: 800;
    line-height: 1.25;
    letter-spacing: 0.02em;
    margin-bottom: 18px;
  }
  .page-hero h1 span { color: #fbbf24; }
  .page-hero p {
    font-size: 1.05rem;
    color: rgba(255,255,255,0.8);
    margin-bottom: 30px;
    line-height: 1.75;
  }
  .hero-stats {
    display: flex;
    gap: 36px;
    margin-top: 20px;
  }
  .hero-stats-item { text-align: left; }
  .hero-stats-item strong {
    display: block;
    font-size: 1.8rem;
    color: #fbbf24;
    font-weight: 800;
  }
  .hero-stats-item span {
    color: rgba(255,255,255,0.7);
    font-size: 0.85rem;
  }
  .page-hero-bg {
    position: absolute;
    inset: 0;
    background-image: url('/assets/images/backpic/back-2.png');
    background-size: cover;
    background-position: center;
    opacity: 0.18;
    z-index: 1;
  }

  /* ===== Section ===== */
  .section { padding: 80px 0; }
  .section-header {
    margin-bottom: 50px;
    max-width: 680px;
  }
  .section-header.text-center { margin-left: auto; margin-right: auto; text-align: center; }
  .section-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary);
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-bottom: 12px;
  }
  .section-header h2 {
    font-size: 2rem;
    font-weight: 800;
    line-height: 1.3;
    color: var(--ink);
    margin-bottom: 12px;
  }
  .section-header p {
    color: var(--soft);
    font-size: 1rem;
    line-height: 1.7;
  }

  /* ===== Cards Grid ===== */
  .grid-card { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
  .grid-card-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
  .card-news {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-card);
    display: flex;
    flex-direction: column;
  }
  .card-news:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(13, 148, 136, 0.35);
  }
  .card-news-media {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16 / 9;
    background: var(--mist);
  }
  .card-news-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
  }
  .card-news:hover .card-news-media img { transform: scale(1.04); }
  .card-news-media .badge-date {
    position: absolute;
    left: 14px;
    bottom: 14px;
    background: rgba(11, 18, 32, 0.75);
    backdrop-filter: blur(8px);
    color: #fff;
    font-size: 0.78rem;
    padding: 5px 12px;
    border-radius: 999px;
    display: flex;
    align-items: center;
    gap: 6px;
  }
  .card-news-body { padding: 24px; display: flex; flex-direction: column; flex: 1; }
  .card-news-body .card-tag {
    display: inline-block;
    background: var(--primary-light);
    color: var(--primary-dark);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 5px 14px;
    border-radius: 999px;
    margin-bottom: 14px;
    align-self: flex-start;
  }
  .card-news-body h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 12px;
    line-height: 1.5;
  }
  .card-news-body h3 a:hover { color: var(--primary); }
  .card-news-body p {
    color: var(--soft);
    font-size: 0.92rem;
    line-height: 1.7;
    flex: 1;
    margin-bottom: 16px;
  }
  .card-news-meta {
    display: flex;
    align-items: center;
    gap: 14px;
    font-size: 0.82rem;
    color: #94a3b8;
    border-top: 1px solid #f1f5f9;
    padding-top: 16px;
  }
  .card-news-meta span { display: inline-flex; align-items: center; gap: 6px; }
  .read-more {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--primary);
    font-weight: 600;
    font-size: 0.88rem;
    margin-left: auto;
  }
  .read-more i { transition: transform 0.25s ease; }
  .read-more:hover i { transform: translateX(4px); }

  /* ===== Featured / Highlight ===== */
  .feature-block {
    background: var(--mist);
    border-radius: 24px;
    overflow: hidden;
    display: grid;
    grid-template-columns: 1fr 1fr;
    border: 1px solid rgba(13, 148, 136, 0.10);
  }
  .feature-block-media { position: relative; min-height: 320px; }
  .feature-block-media img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  .feature-block-media::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to right, transparent 30%, rgba(240, 253, 250, 0.9) 100%);
  }
  .feature-block-body { padding: 48px; display: flex; flex-direction: column; justify-content: center; }
  .feature-block-body .sub-label {
    color: var(--accent);
    font-weight: 700;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    margin-bottom: 12px;
  }
  .feature-block-body h2 {
    font-size: 1.9rem;
    font-weight: 800;
    margin-bottom: 16px;
    line-height: 1.4;
  }
  .feature-block-body p {
    color: var(--soft);
    font-size: 1rem;
    line-height: 1.8;
    margin-bottom: 24px;
  }
  .feature-points {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px 20px;
    margin-bottom: 28px;
  }
  .feature-points li {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--soft);
    font-size: 0.92rem;
    list-style: none;
  }
  .feature-points li i { color: var(--primary); font-size: 0.9rem; }

  /* ===== News List (horizontal rows) ===== */
  .news-list-row {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 20px 24px;
    display: flex;
    align-items: center;
    gap: 24px;
    transition: all 0.3s ease;
  }
  .news-list-row:hover {
    box-shadow: var(--shadow-hover);
    border-color: rgba(13, 148, 136, 0.4);
    transform: translateX(6px);
  }
  .news-list-thumb {
    width: 160px;
    height: 96px;
    object-fit: cover;
    border-radius: 12px;
    flex-shrink: 0;
  }
  .news-list-content { flex: 1; }
  .news-list-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.8rem;
    color: #94a3b8;
    margin-bottom: 8px;
  }
  .news-list-meta .pill {
    background: var(--primary-light);
    color: var(--primary-dark);
    padding: 3px 10px;
    border-radius: 999px;
    font-weight: 600;
  }
  .news-list-content h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 6px;
  }
  .news-list-content p {
    color: var(--soft);
    font-size: 0.88rem;
    line-height: 1.6;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
  }

  /* ===== Tabs ===== */
  .tabs {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 36px;
  }
  .tab-btn {
    padding: 10px 22px;
    border-radius: 999px;
    background: #f8fafc;
    border: 1px solid var(--line);
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--soft);
    transition: all 0.25s ease;
  }
  .tab-btn:hover { border-color: var(--primary); color: var(--primary); background: var(--mist); }
  .tab-btn.active {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
    box-shadow: 0 6px 16px rgba(13, 148, 136, 0.25);
  }

  /* ===== Pagination ===== */
  .pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin-top: 50px;
  }
  .page-link {
    min-width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    background: #f8fafc;
    border: 1px solid var(--line);
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.2s ease;
    padding: 0 16px;
  }
  .page-link:hover { border-color: var(--primary); color: var(--primary); }
  .page-link.active {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
    box-shadow: 0 6px 16px rgba(13, 148, 136, 0.3);
  }

  /* ===== Timeline / Update Log ===== */
  .timeline {
    position: relative;
    padding-left: 32px;
  }
  .timeline::before {
    content: '';
    position: absolute;
    left: 8px;
    top: 8px;
    bottom: 8px;
    width: 2px;
    background: linear-gradient(to bottom, var(--primary), var(--accent));
    border-radius: 2px;
    opacity: 0.3;
  }
  .timeline-item {
    position: relative;
    margin-bottom: 28px;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 24px;
    transition: all 0.3s ease;
  }
  .timeline-item::before {
    content: '';
    position: absolute;
    left: -26px;
    top: 30px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--primary);
    box-shadow: 0 0 0 4px rgba(13,148,136,0.15);
  }
  .timeline-item:hover {
    box-shadow: var(--shadow-hover);
    border-color: rgba(13,148,136,0.35);
  }
  .timeline-date {
    font-size: 0.8rem;
    color: #94a3b8;
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
  }
  .timeline-date .badge-new {
    background: var(--accent);
    color: #fff;
    font-size: 0.7rem;
    padding: 3px 8px;
    border-radius: 999px;
    font-weight: 700;
  }
  .timeline-item h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 6px; }
  .timeline-item p { color: var(--soft); font-size: 0.9rem; }

  /* ===== CTA ===== */
  .cta-section {
    background: linear-gradient(135deg, #0f172a 0%, #0f2c28 55%, #115e59 100%);
    border-radius: 28px;
    padding: 62px 56px;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
  }
  .cta-section::before {
    content: '';
    position: absolute;
    right: -100px;
    top: -100px;
    width: 260px;
    height: 260px;
    border-radius: 50%;
    background: rgba(245, 158, 11, 0.15);
    filter: blur(30px);
  }
  .cta-section::after {
    content: '';
    position: absolute;
    left: 20%;
    bottom: -130px;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: rgba(13, 148, 136, 0.28);
    filter: blur(30px);
  }
  .cta-section .cta-content { position: relative; z-index: 2; }
  .cta-section h2 {
    color: #fff;
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 10px;
    letter-spacing: 0.03em;
  }
  .cta-section p {
    color: rgba(255,255,255,0.75);
    font-size: 1rem;
  }
  .cta-section .btn {
    position: relative;
    z-index: 2;
    flex-shrink: 0;
  }
  .btn-white {
    background: #fff;
    color: var(--primary-dark);
  }
  .btn-white:hover {
    background: var(--primary-light);
    transform: translateY(-3px);
    box-shadow: 0 14px 30px rgba(255,255,255,0.20);
  }

  /* ===== Footer ===== */
  .site-footer {
    background: #0b1220;
    color: #8b99b2;
    padding-top: 70px;
  }
  .site-footer .container { padding-bottom: 30px; }
  .footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.2fr;
    gap: 44px;
    padding-bottom: 50px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
  }
  .footer-brand .brand-text {
    color: #fff;
    font-size: 1.5rem;
    margin-bottom: 18px;
    display: inline-block;
  }
  .footer-brand .brand-text span { color: #fbbf24; }
  .footer-brand p {
    font-size: 0.88rem;
    line-height: 1.8;
    color: #8b99b2;
  }
  .footer-col h4 {
    color: #fff;
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 20px;
    letter-spacing: 0.08em;
  }
  .footer-col a {
    display: block;
    color: #8b99b2;
    font-size: 0.88rem;
    margin-bottom: 12px;
    transition: color 0.2s ease;
  }
  .footer-col a:hover { color: #fbbf24; }
  .footer-col a i { margin-right: 8px; width: 16px; text-align: center; }
  .footer-bottom {
    padding-top: 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    flex-wrap: wrap;
    font-size: 0.82rem;
    color: #64748b;
  }
  .footer-links { display: flex; gap: 20px; }
  .footer-links a { color: #64748b; font-size: 0.82rem; }
  .footer-links a:hover { color: #fbbf24; }

  /* ===== Scrollbar ===== */
  ::-webkit-scrollbar { width: 10px; }
  ::-webkit-scrollbar-track { background: #f1f5f9; }
  ::-webkit-scrollbar-thumb { background: #94a3b8; border-radius: 8px; }
  ::-webkit-scrollbar-thumb:hover { background: var(--primary); }

  /* ===== Responsive ===== */
  @media (max-width: 1024px) {
    .grid-card { grid-template-columns: repeat(2, 1fr); }
    .feature-block { grid-template-columns: 1fr; }
    .feature-block-media { min-height: 260px; }
    .feature-block-media::after { background: linear-gradient(to top, rgba(240,253,250,0.95) 0%, transparent 50%); }
    .page-hero .container { flex-direction: column; text-align: center; }
    .page-hero-content { text-align: center; }
    .hero-stats { justify-content: center; flex-wrap: wrap; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .cta-section { flex-direction: column; text-align: center; padding: 48px 36px; }
  }
  @media (max-width: 768px) {
    .top-bar-links { display: none; }
    .top-bar-info { flex-wrap: wrap; justify-content: center; text-align: center; }
    .nav-menu {
      position: fixed;
      top: 72px;
      left: 0;
      right: 0;
      background: #fff;
      flex-direction: column;
      align-items: stretch;
      padding: 20px;
      box-shadow: 0 20px 40px rgba(2,44,34,0.12);
      border-top: 1px solid var(--line);
      display: none;
      border-radius: 0 0 20px 20px;
    }
    .nav-menu.open { display: flex; }
    .nav-menu a { padding: 14px 20px; border-radius: 12px; }
    .nav-toggle { display: block; }
    .nav-cta .btn { display: none; }
    .page-hero { padding: 56px 0 50px; }
    .page-hero h1 { font-size: 2rem; }
    .section { padding: 56px 0; }
    .section-header h2 { font-size: 1.6rem; }
    .grid-card { grid-template-columns: 1fr; }
    .grid-card-2 { grid-template-columns: 1fr; }
    .feature-block-body { padding: 32px 24px; }
    .news-list-row { flex-direction: column; align-items: flex-start; gap: 14px; }
    .news-list-thumb { width: 100%; height: 180px; }
    .footer-grid { grid-template-columns: 1fr; gap: 32px; padding-bottom: 36px; }
    .cta-section { padding: 40px 24px; }
    .cta-section h2 { font-size: 1.5rem; }
    .timeline { padding-left: 22px; }
    .timeline-item::before { left: -18px; }
    .hero-stats { gap: 24px; }
  }
  @media (max-width: 520px) {
    .top-bar { font-size: 0.75rem; }
    .nav-container { height: 64px; }
    .nav-menu { top: 64px; }
    .brand-text { font-size: 1.15rem; }
    .brand-mark { width: 38px; height: 38px; font-size: 0.95rem; }
    .page-hero h1 { font-size: 1.7rem; }
    .hero-stats-item strong { font-size: 1.4rem; }
    .section { padding: 48px 0; }
    .section-header { margin-bottom: 32px; }
    .grid-card, .grid-card-2 { gap: 20px; }
    .tabs { gap: 8px; }
    .tab-btn { padding: 8px 14px; font-size: 0.82rem; }
    .pagination { flex-wrap: wrap; }
    .footer-bottom { flex-direction: column; text-align: center; }
    .footer-links { gap: 14px; }
    .news-list-meta { flex-wrap: wrap; }
    .feature-points { grid-template-columns: 1fr; }
  }

/* roulang page: category3 */
:root {
      --primary: #0f6b57;
      --primary-dark: #074536;
      --primary-light: #17a880;
      --accent: #f0a93b;
      --accent-dark: #d6912a;
      --bg: #f6f8f7;
      --bg-alt: #eef3f0;
      --bg-dark: #0e2a23;
      --text: #1d2b26;
      --text-body: #4a5d55;
      --text-light: #8aa097;
      --border: #dce7e2;
      --radius: 16px;
      --radius-sm: 10px;
      --shadow: 0 8px 30px rgba(14, 42, 35, 0.08);
      --shadow-hover: 0 12px 40px rgba(14, 42, 35, 0.15);
      --container: 1200px;
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
      background: var(--bg);
      color: var(--text);
      line-height: 1.65;
      font-size: 16px;
      -webkit-font-smoothing: antialiased;
    }

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

    a {
      color: inherit;
      text-decoration: none;
      transition: all 0.3s ease;
    }

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

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

    /* ===== 顶部导航 ===== */
    .site-nav {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(255, 255, 255, 0.92);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border);
      box-shadow: 0 4px 20px rgba(14, 42, 35, 0.04);
    }

    .nav-container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
      gap: 24px;
    }

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

    .brand-mark {
      width: 44px;
      height: 44px;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: 12px;
      background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
      color: #fff;
      font-size: 20px;
      box-shadow: 0 6px 16px rgba(15, 107, 87, 0.28);
    }

    .brand-text {
      font-size: 22px;
      font-weight: 800;
      color: var(--text);
      letter-spacing: 1px;
      line-height: 1.2;
    }

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

    .nav-menu {
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .nav-menu a {
      padding: 8px 18px;
      border-radius: 999px;
      font-size: 15px;
      font-weight: 500;
      color: var(--text-body);
      transition: all 0.3s ease;
    }

    .nav-menu a:hover {
      color: var(--primary);
      background: rgba(15, 107, 87, 0.08);
    }

    .nav-menu a.active {
      color: #fff;
      background: var(--primary);
      box-shadow: 0 4px 14px rgba(15, 107, 87, 0.25);
    }

    .nav-cta {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .nav-toggle {
      display: none;
      width: 42px;
      height: 42px;
      border: 1px solid var(--border);
      border-radius: 10px;
      background: #fff;
      color: var(--text);
      font-size: 18px;
      cursor: pointer;
      align-items: center;
      justify-content: center;
      transition: all 0.3s ease;
    }

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

    /* ===== 按钮系统 ===== */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 12px 28px;
      border-radius: 999px;
      font-size: 15px;
      font-weight: 600;
      border: 2px solid transparent;
      cursor: pointer;
      transition: all 0.35s ease;
      line-height: 1.4;
      white-space: nowrap;
    }

    .btn:focus-visible,
    a:focus-visible,
    button:focus-visible {
      outline: 3px solid rgba(15, 107, 87, 0.35);
      outline-offset: 2px;
    }

    .btn-sm {
      padding: 7px 18px;
      font-size: 13px;
      border-width: 1.5px;
    }

    .btn-lg {
      padding: 16px 40px;
      font-size: 16px;
    }

    .btn-primary {
      background: var(--primary);
      color: #fff;
      box-shadow: 0 6px 20px rgba(15, 107, 87, 0.25);
    }

    .btn-primary:hover {
      background: var(--primary-dark);
      transform: translateY(-2px);
      box-shadow: 0 10px 30px rgba(15, 107, 87, 0.35);
      color: #fff;
    }

    .btn-accent {
      background: linear-gradient(135deg, var(--accent) 0%, #f7c260 100%);
      color: #3c2a00;
      box-shadow: 0 6px 20px rgba(240, 169, 59, 0.3);
    }

    .btn-accent:hover {
      transform: translateY(-2px);
      box-shadow: 0 10px 28px rgba(240, 169, 59, 0.45);
      color: #3c2a00;
    }

    .btn-outline {
      background: #fff;
      border-color: var(--border);
      color: var(--text-body);
    }

    .btn-outline:hover {
      border-color: var(--primary);
      color: var(--primary);
      background: rgba(15, 107, 87, 0.03);
      transform: translateY(-2px);
    }

    /* ===== Hero区 ===== */
    .hero-banner {
      position: relative;
      background: linear-gradient(120deg, rgba(7, 69, 54, 0.95) 0%, rgba(15, 107, 87, 0.78) 60%, rgba(13, 87, 72, 0.6) 100%),
        url('/assets/images/backpic/back-3.png') center/cover no-repeat;
      padding: 90px 0 110px;
      color: #fff;
      overflow: hidden;
    }

    .hero-banner::before {
      content: '';
      position: absolute;
      top: -30%;
      right: -10%;
      width: 500px;
      height: 500px;
      background: radial-gradient(circle, rgba(240, 169, 59, 0.25) 0%, transparent 70%);
      border-radius: 50%;
      pointer-events: none;
    }

    .hero-content {
      position: relative;
      z-index: 2;
      max-width: 700px;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(255, 255, 255, 0.12);
      border: 1px solid rgba(255, 255, 255, 0.25);
      backdrop-filter: blur(6px);
      padding: 6px 18px;
      border-radius: 999px;
      font-size: 13px;
      font-weight: 500;
      color: rgba(255, 255, 255, 0.95);
      margin-bottom: 24px;
    }

    .hero-title {
      font-size: 44px;
      font-weight: 800;
      line-height: 1.25;
      margin-bottom: 18px;
    }

    .hero-title em {
      font-style: normal;
      color: var(--accent);
    }

    .hero-desc {
      font-size: 17px;
      color: rgba(255, 255, 255, 0.9);
      line-height: 1.7;
      margin-bottom: 30px;
    }

    .hero-search {
      display: flex;
      align-items: center;
      gap: 12px;
      background: rgba(255, 255, 255, 0.1);
      backdrop-filter: blur(8px);
      border: 1px solid rgba(255, 255, 255, 0.2);
      border-radius: 999px;
      padding: 6px 6px 6px 22px;
      max-width: 560px;
    }

    .hero-search input {
      flex: 1;
      background: transparent;
      border: none;
      outline: none;
      color: #fff;
      font-size: 15px;
      min-width: 0;
    }

    .hero-search input::placeholder {
      color: rgba(255, 255, 255, 0.55);
    }

    .hero-search .btn {
      flex-shrink: 0;
    }

    .hero-stats {
      display: flex;
      gap: 36px;
      margin-top: 40px;
      flex-wrap: wrap;
    }

    .hero-stat {
      display: flex;
      flex-direction: column;
      gap: 2px;
    }

    .hero-stat .num {
      font-size: 28px;
      font-weight: 800;
      color: #fff;
    }

    .hero-stat .label {
      font-size: 13px;
      color: rgba(255, 255, 255, 0.65);
    }

    .hero-aside {
      position: absolute;
      right: 40px;
      top: 50%;
      transform: translateY(-50%);
      z-index: 2;
      width: 320px;
      background: rgba(255, 255, 255, 0.12);
      backdrop-filter: blur(12px);
      border: 1px solid rgba(255, 255, 255, 0.2);
      border-radius: 20px;
      padding: 24px;
      color: #fff;
      box-shadow: 0 20px 50px rgba(7, 69, 54, 0.3);
    }

    .ticket-card {
      border: 2px dashed rgba(255, 255, 255, 0.45);
      border-radius: 14px;
      padding: 16px;
      text-align: center;
      margin-bottom: 16px;
    }

    .ticket-card .t-status {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 13px;
      background: rgba(240, 169, 59, 0.2);
      border: 1px solid rgba(240, 169, 59, 0.4);
      padding: 4px 12px;
      border-radius: 999px;
      margin-bottom: 8px;
    }

    .ticket-card .t-num {
      font-size: 32px;
      font-weight: 800;
      color: #fff;
    }

    .ticket-meta {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 10px;
      margin-top: 12px;
    }

    .ticket-meta div {
      background: rgba(255, 255, 255, 0.1);
      border-radius: 10px;
      padding: 10px 8px;
      text-align: center;
      font-size: 12px;
      color: rgba(255, 255, 255, 0.75);
    }

    .ticket-meta strong {
      display: block;
      font-size: 15px;
      color: #fff;
      margin-top: 2px;
    }

    /* ===== 通用板块 ===== */
    .section {
      padding: 80px 0;
    }

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

    .section-head {
      text-align: center;
      max-width: 640px;
      margin: 0 auto 50px;
    }

    .section-tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 13px;
      font-weight: 600;
      color: var(--primary);
      background: rgba(15, 107, 87, 0.08);
      padding: 6px 18px;
      border-radius: 999px;
      margin-bottom: 16px;
    }

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

    .section-desc {
      font-size: 16px;
      color: var(--text-body);
      line-height: 1.7;
    }

    /* ===== 问题分类卡片 ===== */
    .cat-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }

    .cat-card {
      background: #fff;
      border-radius: var(--radius);
      border: 1px solid var(--border);
      padding: 28px 24px;
      display: flex;
      flex-direction: column;
      gap: 12px;
      transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
      position: relative;
      overflow: hidden;
    }

    .cat-card::after {
      content: '';
      position: absolute;
      top: 0;
      right: 0;
      width: 80px;
      height: 80px;
      background: radial-gradient(circle, rgba(15, 107, 87, 0.06) 0%, transparent 70%);
      border-radius: 50%;
      transition: all 0.4s ease;
    }

    .cat-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-hover);
      border-color: rgba(15, 107, 87, 0.2);
    }

    .cat-card:hover::after {
      transform: scale(2.5);
    }

    .cat-icon {
      width: 50px;
      height: 50px;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: 14px;
      background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
      color: #fff;
      font-size: 20px;
      box-shadow: 0 6px 16px rgba(15, 107, 87, 0.25);
    }

    .cat-card h3 {
      font-size: 18px;
      font-weight: 700;
      color: var(--text);
    }

    .cat-card p {
      font-size: 14px;
      color: var(--text-body);
      line-height: 1.6;
    }

    .cat-card .cat-link {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 13px;
      font-weight: 600;
      color: var(--primary);
      margin-top: auto;
      padding-top: 10px;
      border-top: 1px solid var(--border);
    }

    /* ===== 时间线 ===== */
    .timeline-wrap {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 48px;
      align-items: start;
    }

    .timeline {
      position: relative;
      padding-left: 32px;
    }

    .timeline::before {
      content: '';
      position: absolute;
      left: 10px;
      top: 4px;
      bottom: 4px;
      width: 2px;
      background: linear-gradient(to bottom, var(--primary-light), var(--border));
    }

    .timeline-item {
      position: relative;
      padding-bottom: 32px;
    }

    .timeline-dot {
      position: absolute;
      left: -26px;
      top: 4px;
      width: 18px;
      height: 18px;
      border-radius: 50%;
      background: #fff;
      border: 3px solid var(--primary);
      box-shadow: 0 0 0 4px rgba(15, 107, 87, 0.1);
    }

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

    .timeline-date {
      display: inline-block;
      font-size: 12px;
      font-weight: 600;
      color: var(--accent-dark);
      background: rgba(240, 169, 59, 0.1);
      padding: 3px 12px;
      border-radius: 999px;
      margin-bottom: 6px;
    }

    .timeline-content {
      background: #fff;
      border: 1px solid var(--border);
      border-radius: var(--radius-sm);
      padding: 16px 18px;
      transition: all 0.3s ease;
    }

    .timeline-content:hover {
      box-shadow: var(--shadow);
      border-color: rgba(15, 107, 87, 0.2);
    }

    .timeline-content h4 {
      font-size: 15px;
      font-weight: 600;
      margin-bottom: 4px;
    }

    .timeline-content p {
      font-size: 13px;
      color: var(--text-body);
    }

    /* ===== FAQ票券卡片 ===== */
    .faq-list {
      display: flex;
      flex-direction: column;
      gap: 20px;
      max-width: 880px;
      margin: 0 auto;
    }

    .faq-ticket {
      background: #fff;
      border-radius: var(--radius);
      border: 1px solid var(--border);
      padding: 28px 30px;
      display: flex;
      gap: 20px;
      transition: all 0.35s ease;
      position: relative;
      overflow: hidden;
    }

    .faq-ticket::before {
      content: '';
      position: absolute;
      left: 0;
      top: 0;
      bottom: 0;
      width: 4px;
      background: linear-gradient(to bottom, var(--primary), var(--primary-light));
      opacity: 0;
      transition: opacity 0.3s ease;
    }

    .faq-ticket:hover {
      box-shadow: var(--shadow-hover);
      border-color: rgba(15, 107, 87, 0.2);
      transform: translateX(4px);
    }

    .faq-ticket:hover::before {
      opacity: 1;
    }

    .faq-no {
      flex-shrink: 0;
      width: 48px;
      height: 48px;
      display: flex;
      align-items: center;
      justify-content: center;
      background: linear-gradient(135deg, var(--accent) 0%, #f7c260 100%);
      color: #3c2a00;
      font-size: 16px;
      font-weight: 800;
      border-radius: 12px;
      box-shadow: 0 4px 12px rgba(240, 169, 59, 0.3);
    }

    .faq-ticket h3 {
      font-size: 17px;
      font-weight: 700;
      color: var(--text);
      margin-bottom: 6px;
    }

    .faq-ticket p {
      font-size: 14px;
      color: var(--text-body);
      line-height: 1.7;
    }

    .faq-ticket .faq-tags {
      display: flex;
      gap: 8px;
      margin-top: 12px;
      flex-wrap: wrap;
    }

    .tag {
      display: inline-flex;
      align-items: center;
      gap: 4px;
      font-size: 12px;
      font-weight: 500;
      padding: 3px 12px;
      border-radius: 999px;
      background: var(--bg-alt);
      color: var(--text-body);
      border: 1px solid var(--border);
    }

    .tag-success {
      background: rgba(15, 107, 87, 0.08);
      color: var(--primary);
      border-color: rgba(15, 107, 87, 0.15);
    }

    /* ===== 流程步骤 ===== */
    .steps-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      counter-reset: step;
    }

    .step-item {
      background: #fff;
      border-radius: var(--radius);
      border: 1px solid var(--border);
      padding: 28px 24px;
      text-align: center;
      position: relative;
      transition: all 0.35s ease;
    }

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

    .step-num {
      width: 44px;
      height: 44px;
      margin: 0 auto 16px;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: 50%;
      background: var(--primary);
      color: #fff;
      font-weight: 800;
      font-size: 18px;
      box-shadow: 0 6px 16px rgba(15, 107, 87, 0.25);
    }

    .step-item h3 {
      font-size: 16px;
      font-weight: 700;
      margin-bottom: 8px;
    }

    .step-item p {
      font-size: 13px;
      color: var(--text-body);
      line-height: 1.6;
    }

    /* ===== 文章卡片 ===== */
    .article-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .article-card {
      background: #fff;
      border-radius: var(--radius);
      border: 1px solid var(--border);
      overflow: hidden;
      transition: all 0.4s ease;
      display: flex;
      flex-direction: column;
    }

    .article-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-hover);
      border-color: rgba(15, 107, 87, 0.2);
    }

    .article-cover {
      position: relative;
      height: 180px;
      overflow: hidden;
    }

    .article-cover img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
    }

    .article-card:hover .article-cover img {
      transform: scale(1.06);
    }

    .article-cover .badge {
      position: absolute;
      top: 14px;
      left: 14px;
      background: rgba(255, 255, 255, 0.92);
      backdrop-filter: blur(4px);
      font-size: 12px;
      font-weight: 600;
      color: var(--primary);
      padding: 4px 14px;
      border-radius: 999px;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    }

    .article-body {
      padding: 20px;
      display: flex;
      flex-direction: column;
      flex: 1;
    }

    .article-body h3 {
      font-size: 16px;
      font-weight: 700;
      line-height: 1.4;
      margin-bottom: 8px;
    }

    .article-body p {
      font-size: 13px;
      color: var(--text-body);
      line-height: 1.6;
      flex: 1;
    }

    .article-meta {
      display: flex;
      align-items: center;
      gap: 16px;
      font-size: 12px;
      color: var(--text-light);
      padding-top: 14px;
      margin-top: 14px;
      border-top: 1px solid var(--border);
    }

    /* ===== CTA区 ===== */
    .cta-section {
      position: relative;
      background: linear-gradient(120deg, var(--bg-dark) 0%, #123f35 100%);
      color: #fff;
      padding: 80px 0;
      text-align: center;
      overflow: hidden;
    }

    .cta-section::before {
      content: '';
      position: absolute;
      top: 50%;
      left: 50%;
      width: 600px;
      height: 600px;
      transform: translate(-50%, -50%);
      background: radial-gradient(circle, rgba(240, 169, 59, 0.15) 0%, transparent 70%);
      pointer-events: none;
    }

    .cta-section h2 {
      font-size: 32px;
      font-weight: 800;
      margin-bottom: 16px;
      position: relative;
    }

    .cta-section p {
      font-size: 16px;
      color: rgba(255, 255, 255, 0.8);
      max-width: 520px;
      margin: 0 auto 32px;
      position: relative;
    }

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

    /* ===== 页脚 ===== */
    .site-footer {
      background: #0d1f1a;
      color: rgba(255, 255, 255, 0.7);
      padding: 60px 0 24px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1fr;
      gap: 40px;
      padding-bottom: 40px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }

    .footer-brand .brand-text {
      color: #fff;
      font-size: 24px;
      margin-bottom: 12px;
      display: block;
    }

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

    .footer-brand p {
      font-size: 14px;
      line-height: 1.7;
      color: rgba(255, 255, 255, 0.55);
      margin-top: 10px;
    }

    .footer-col h4 {
      color: #fff;
      font-size: 15px;
      font-weight: 600;
      margin-bottom: 16px;
    }

    .footer-col a {
      display: block;
      font-size: 14px;
      color: rgba(255, 255, 255, 0.6);
      padding: 5px 0;
      transition: all 0.3s ease;
    }

    .footer-col a:hover {
      color: var(--accent);
      padding-left: 5px;
    }

    .footer-bottom {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding-top: 24px;
      flex-wrap: wrap;
      gap: 12px;
    }

    .footer-bottom .copy {
      font-size: 13px;
      color: rgba(255, 255, 255, 0.45);
    }

    .footer-links {
      display: flex;
      gap: 20px;
    }

    .footer-links a {
      font-size: 13px;
      color: rgba(255, 255, 255, 0.45);
    }

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

    /* ===== 响应式 ===== */
    @media (max-width: 1024px) {
      .hero-aside {
        display: none;
      }
      .hero-content {
        margin: 0 auto;
        text-align: center;
        max-width: 640px;
      }
      .hero-search {
        margin: 0 auto;
      }
      .hero-stats {
        justify-content: center;
      }
      .cat-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .steps-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
      .timeline-wrap {
        grid-template-columns: 1fr;
      }
      .article-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 768px) {
      .site-nav {
        padding: 0 0;
      }
      .nav-menu {
        display: none;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: #fff;
        flex-direction: column;
        align-items: stretch;
        padding: 16px 24px 24px;
        gap: 6px;
        border-bottom: 1px solid var(--border);
        box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
      }
      .nav-menu.open {
        display: flex;
      }
      .nav-menu a {
        padding: 12px 16px;
        border-radius: 10px;
      }
      .nav-menu a.active {
        background: var(--primary);
      }
      .nav-toggle {
        display: flex;
      }
      .nav-cta .btn-sm {
        display: none;
      }
      .hero-title {
        font-size: 30px;
      }
      .hero-desc {
        font-size: 15px;
      }
      .hero-search {
        flex-direction: column;
        align-items: stretch;
        background: transparent;
        border: none;
        gap: 10px;
        padding: 0;
      }
      .hero-search input {
        background: rgba(255, 255, 255, 0.12);
        border: 1px solid rgba(255, 255, 255, 0.2);
        border-radius: 999px;
        padding: 12px 22px;
      }
      .hero-search .btn {
        justify-content: center;
      }
      .section {
        padding: 60px 0;
      }
      .section-title {
        font-size: 26px;
      }
      .cat-grid {
        grid-template-columns: 1fr;
      }
      .steps-grid {
        grid-template-columns: 1fr;
      }
      .article-grid {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr;
        gap: 28px;
      }
      .footer-bottom {
        flex-direction: column;
        text-align: center;
      }
      .faq-ticket {
        flex-direction: column;
        gap: 12px;
      }
    }

    @media (max-width: 520px) {
      .container {
        padding: 0 16px;
      }
      .nav-container {
        height: 64px;
      }
      .brand-text {
        font-size: 19px;
      }
      .brand-mark {
        width: 38px;
        height: 38px;
        font-size: 17px;
        border-radius: 10px;
      }
      .hero-banner {
        padding: 60px 0 70px;
      }
      .hero-title {
        font-size: 24px;
      }
      .hero-desc {
        font-size: 14px;
      }
      .hero-stats {
        gap: 20px;
      }
      .hero-stat .num {
        font-size: 22px;
      }
      .hero-stat .label {
        font-size: 12px;
      }
      .timeline-wrap {
        gap: 30px;
      }
      .timeline {
        padding-left: 26px;
      }
      .faq-ticket {
        padding: 20px;
      }
      .faq-no {
        width: 40px;
        height: 40px;
        font-size: 14px;
      }
      .cta-btns .btn {
        width: 100%;
      }
    }