/* roulang page: index */
:root {
  --primary: #0b1e3a;
  --primary-dark: #071528;
  --primary-light: #123a6d;
  --accent: #e8a33d;
  --accent-dark: #c9851d;
  --accent-light: #f5d897;
  --success: #10b981;
  --bg: #f6f8fb;
  --surface: #ffffff;
  --text: #1e293b;
  --text-weak: #64748b;
  --border: #dfe6ee;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 28px;
  --shadow-xs: 0 1px 4px rgba(11, 30, 58, 0.05);
  --shadow-sm: 0 4px 14px rgba(11, 30, 58, 0.07);
  --shadow-md: 0 10px 28px rgba(11, 30, 58, 0.10);
  --shadow-lg: 0 24px 60px rgba(11, 30, 58, 0.16);
  --container-w: 1200px;
  --transition: 0.3s ease;
  --font-main: "PingFang SC", "Microsoft YaHei", "HarmonyOS Sans SC", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { font-family: var(--font-main); background: var(--bg); color: var(--text); line-height: 1.7; font-size: 16px; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color var(--transition), background var(--transition); }
a:hover, a:focus { outline: none; }
button { font-family: inherit; cursor: pointer; }
input, textarea { font-family: inherit; }
.container { width: 100%; max-width: var(--container-w); margin: 0 auto; padding: 0 24px; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 28px; border-radius: 999px; font-weight: 600; font-size: 15px; line-height: 1.4; border: 2px solid transparent; transition: all var(--transition); white-space: nowrap; }
.btn-primary { background: var(--primary); color: #fff; box-shadow: var(--shadow-sm); }
.btn-primary:hover { background: var(--primary-light); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-accent { background: var(--accent); color: #0b1e3a; box-shadow: var(--shadow-sm); }
.btn-accent:hover { background: var(--accent-light); transform: translateY(-2px); box-shadow: var(--shadow-md); color: #0b1e3a; }
.btn-outline { border-color: var(--primary); color: var(--primary); background: transparent; }
.btn-outline:hover { background: var(--primary); color: #fff; transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-ghost { border-color: rgba(255, 255, 255, 0.6); color: #fff; background: transparent; }
.btn-ghost:hover { background: rgba(255, 255, 255, 0.12); border-color: #fff; transform: translateY(-2px); }
.badge { display: inline-flex; align-items: center; gap: 4px; background: var(--accent-light); color: #0b1e3a; font-size: 12px; font-weight: 600; padding: 4px 12px; border-radius: 999px; letter-spacing: 0.02em; }
.badge-dark { background: var(--primary); color: #fff; }
.section-tag { display: inline-block; background: rgba(232, 163, 61, 0.14); color: var(--accent-dark); font-size: 13px; font-weight: 600; padding: 4px 14px; border-radius: 999px; letter-spacing: 0.04em; margin-bottom: 12px; }
.section-title { font-size: 32px; font-weight: 800; color: var(--primary); line-height: 1.3; letter-spacing: -0.02em; }
.section-desc { font-size: 16px; color: var(--text-weak); max-width: 680px; line-height: 1.8; }
.section { padding: 80px 0; }
.section-head { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 16px; margin-bottom: 40px; }

/* Header / Nav */
.site-header { position: sticky; top: 0; z-index: 100; background: rgba(255, 255, 255, 0.92); backdrop-filter: blur(14px); border-bottom: 1px solid rgba(255, 255, 255, 0.2); box-shadow: var(--shadow-xs); }
.header-main { display: flex; align-items: center; justify-content: space-between; height: 72px; gap: 16px; }
.brand { font-size: 22px; font-weight: 800; color: var(--primary); letter-spacing: 0.02em; display: flex; align-items: center; gap: 8px; line-height: 1.2; }
.brand-mark { width: 34px; height: 34px; border-radius: 10px; background: var(--primary); display: inline-flex; align-items: center; justify-content: center; color: var(--accent); font-weight: 900; font-size: 18px; flex-shrink: 0; }
.main-nav { display: flex; gap: 4px; align-items: center; }
.nav-link { padding: 9px 20px; border-radius: 999px; font-size: 15px; font-weight: 500; color: var(--text); transition: all var(--transition); }
.nav-link:hover { background: rgba(11, 30, 58, 0.06); color: var(--primary); }
.nav-link.active { background: var(--primary); color: #fff; box-shadow: var(--shadow-sm); font-weight: 600; }
.nav-cta { padding: 9px 22px; border-radius: 999px; background: var(--accent); color: #0b1e3a; font-weight: 700; font-size: 14px; border: 2px solid transparent; transition: all var(--transition); }
.nav-cta:hover { background: var(--accent-light); transform: translateY(-1px); box-shadow: var(--shadow-sm); }
.nav-toggle { display: none; width: 42px; height: 42px; border-radius: 10px; background: transparent; border: 1px solid var(--border); flex-direction: column; justify-content: center; align-items: center; gap: 5px; }
.nav-toggle span { width: 18px; height: 2px; background: var(--primary); border-radius: 2px; transition: all 0.3s ease; }
.nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Hero */
.hero { position: relative; background-size: cover; background-position: center; padding: 120px 0 100px; color: #fff; overflow: hidden; }
.hero::before { content: ""; position: absolute; inset: 0; background: linear-gradient(100deg, rgba(7, 21, 40, 0.86) 0%, rgba(11, 30, 58, 0.68) 52%, rgba(11, 30, 58, 0.25) 100%); }
.hero .container { position: relative; z-index: 2; }
.hero-badge { display: inline-flex; gap: 6px; background: rgba(255, 255, 255, 0.12); border: 1px solid rgba(255, 255, 255, 0.18); padding: 6px 18px; border-radius: 999px; font-size: 13px; font-weight: 500; letter-spacing: 0.04em; margin-bottom: 20px; backdrop-filter: blur(6px); }
.hero h1 { font-size: 44px; font-weight: 900; line-height: 1.25; letter-spacing: -0.02em; margin-bottom: 18px; max-width: 760px; text-shadow: 0 2px 20px rgba(0,0,0,0.2); }
.hero p { font-size: 17px; line-height: 1.8; max-width: 620px; margin-bottom: 34px; opacity: 0.92; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.hero-stats { display: flex; flex-wrap: wrap; gap: 32px; margin-top: 56px; padding-top: 28px; border-top: 1px solid rgba(255, 255, 255, 0.2); }
.hero-stat strong { font-size: 28px; font-weight: 800; display: block; }
.hero-stat span { font-size: 13px; opacity: 0.78; }

/* About */
.about-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: 56px; align-items: center; }
.about-media { position: relative; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg); aspect-ratio: 5 / 4; }
.about-media img { width: 100%; height: 100%; object-fit: cover; }
.about-content .section-title { margin-bottom: 16px; }
.about-content p { color: var(--text-weak); margin-bottom: 16px; line-height: 1.8; }
.about-list { list-style: none; margin: 20px 0 28px; padding: 0; }
.about-list li { display: flex; align-items: center; gap: 10px; padding: 8px 0; font-size: 15px; color: var(--text); }
.about-list li::before { content: "✓"; width: 24px; height: 24px; border-radius: 50%; background: var(--accent-light); color: var(--accent-dark); display: inline-flex; align-items: center; justify-content: center; font-weight: 700; font-size: 13px; flex-shrink: 0; }

/* Sports Cards */
.cards-section { background: var(--surface); }
.cards-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.sport-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-md); overflow: hidden; box-shadow: var(--shadow-xs); transition: all var(--transition); display: flex; flex-direction: column; }
.sport-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: rgba(11, 30, 58, 0.12); }
.sport-card .card-img { aspect-ratio: 16 / 10; overflow: hidden; position: relative; }
.sport-card .card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.sport-card:hover .card-img img { transform: scale(1.05); }
.sport-card .card-img::after { content: ""; position: absolute; inset: 0; background: linear-gradient(to top, rgba(7, 21, 40, 0.35), transparent 60%); }
.sport-card .card-body { padding: 22px 20px 24px; display: flex; flex-direction: column; flex: 1; }
.sport-card .card-body .badge { align-self: flex-start; margin-bottom: 10px; }
.sport-card h3 { font-size: 19px; font-weight: 700; color: var(--primary); margin-bottom: 8px; }
.sport-card p { font-size: 14px; color: var(--text-weak); line-height: 1.7; margin-bottom: 16px; flex: 1; }
.sport-card .card-link { font-size: 14px; font-weight: 600; color: var(--primary); display: inline-flex; align-items: center; gap: 4px; }
.sport-card .card-link:hover { color: var(--accent-dark); }

/* Stats */
.stats-section { background: var(--primary); color: #fff; padding: 56px 0; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; text-align: center; }
.stat-item strong { display: block; font-size: 40px; font-weight: 900; color: var(--accent); line-height: 1.2; margin-bottom: 6px; }
.stat-item span { font-size: 14px; opacity: 0.72; letter-spacing: 0.03em; }

/* Latest News */
.latest-section { background: var(--bg); }
.news-list { display: flex; flex-direction: column; gap: 16px; }
.news-item { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-md); padding: 24px 26px; box-shadow: var(--shadow-xs); transition: all var(--transition); display: flex; flex-direction: column; gap: 8px; }
.news-item:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); border-color: rgba(11, 30, 58, 0.1); }
.news-topline { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.news-topline .badge { background: rgba(11, 30, 58, 0.06); color: var(--primary); }
.news-date { font-size: 13px; color: var(--text-weak); }
.news-item h3 { font-size: 18px; font-weight: 700; }
.news-item h3 a { color: var(--primary); }
.news-item h3 a:hover { color: var(--accent-dark); }
.news-item p { font-size: 14px; color: var(--text-weak); line-height: 1.7; }
.news-more { font-size: 14px; font-weight: 600; color: var(--primary); display: inline-block; margin-top: 4px; }
.news-more:hover { color: var(--accent-dark); }
.empty-tip { background: var(--surface); border: 1px dashed var(--border); border-radius: var(--radius-md); padding: 40px; text-align: center; color: var(--text-weak); font-size: 15px; }

/* Category CTA */
.category-showcase { background: var(--surface); }
.category-hero-card { position: relative; border-radius: var(--radius-lg); overflow: hidden; background: var(--primary); box-shadow: var(--shadow-lg); padding: 56px; display: flex; align-items: center; justify-content: space-between; gap: 32px; flex-wrap: wrap; }
.category-hero-card::before { content: ""; position: absolute; right: -40px; top: -60px; width: 260px; height: 260px; border-radius: 50%; background: rgba(232, 163, 61, 0.22); }
.category-hero-card::after { content: ""; position: absolute; right: 100px; bottom: -80px; width: 180px; height: 180px; border-radius: 50%; background: rgba(255, 255, 255, 0.06); }
.category-hero-card .ch-content { position: relative; z-index: 2; max-width: 560px; }
.category-hero-card h2 { font-size: 28px; font-weight: 800; color: #fff; margin-bottom: 10px; }
.category-hero-card p { color: rgba(255, 255, 255, 0.78); font-size: 15px; line-height: 1.8; margin-bottom: 22px; }
.category-hero-card .btn { background: var(--accent); color: #0b1e3a; }
.category-hero-card .btn:hover { background: var(--accent-light); }

/* Steps */
.steps-section { background: var(--bg); }
.steps-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.step-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-md); padding: 28px 24px; box-shadow: var(--shadow-xs); transition: all var(--transition); position: relative; }
.step-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.step-num { font-size: 40px; font-weight: 800; color: rgba(11, 30, 58, 0.08); line-height: 1; margin-bottom: 12px; display: inline-block; }
.step-card h3 { font-size: 17px; font-weight: 700; color: var(--primary); margin-bottom: 6px; }
.step-card p { font-size: 14px; color: var(--text-weak); line-height: 1.7; }

/* FAQ */
.faq-section { background: var(--surface); }
.faq-list { max-width: 820px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item { border: 1px solid var(--border); border-radius: var(--radius-sm); overflow: hidden; background: var(--bg); transition: all var(--transition); }
.faq-item:hover { border-color: rgba(11, 30, 58, 0.16); }
.faq-item summary { padding: 18px 22px; font-weight: 600; font-size: 15px; color: var(--primary); cursor: pointer; list-style: none; display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.faq-item summary::after { content: "+"; font-size: 22px; color: var(--accent-dark); font-weight: 400; }
.faq-item[open] summary::after { content: "–"; }
.faq-body { padding: 0 22px 20px; color: var(--text-weak); font-size: 14px; line-height: 1.8; }

/* CTA */
.cta-section { position: relative; background-size: cover; background-position: center; padding: 88px 0; color: #fff; text-align: center; }
.cta-section::before { content: ""; position: absolute; inset: 0; background: rgba(7, 21, 40, 0.82); }
.cta-section .container { position: relative; z-index: 2; }
.cta-section h2 { font-size: 32px; font-weight: 800; margin-bottom: 12px; }
.cta-section p { font-size: 16px; opacity: 0.85; margin-bottom: 30px; max-width: 520px; margin-left: auto; margin-right: auto; }
.cta-section .btn { margin: 0 6px; }

/* Footer */
.site-footer { background: var(--primary-dark); color: rgba(255, 255, 255, 0.72); padding-top: 60px; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr; gap: 48px; padding-bottom: 40px; }
.footer-brand .footer-logo { font-size: 22px; font-weight: 800; color: #fff; margin-bottom: 12px; }
.footer-brand p { font-size: 14px; line-height: 1.8; max-width: 360px; }
.footer-links h4 { font-size: 15px; font-weight: 700; color: #fff; margin-bottom: 16px; }
.footer-links a { display: block; padding: 6px 0; font-size: 14px; color: rgba(255, 255, 255, 0.62); transition: all var(--transition); }
.footer-links a:hover { color: var(--accent); transform: translateX(3px); }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, 0.1); padding: 22px 0; font-size: 13px; color: rgba(255, 255, 255, 0.4); }
.footer-bottom .container { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px; }

/* Misc */
.separator { height: 1px; background: var(--border); border: none; margin: 0; }

/* Responsive */
@media (max-width: 1024px) {
  .cards-grid { grid-template-columns: repeat(2, 1fr); }
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .about-grid { grid-template-columns: 1fr; gap: 32px; }
  .hero { padding: 80px 0; }
  .hero h1 { font-size: 38px; }
  .section { padding: 60px 0; }
}
@media (max-width: 768px) {
  .nav-toggle { display: flex; }
  .main-nav { position: fixed; top: 72px; left: 0; right: 0; background: var(--surface); flex-direction: column; padding: 16px 24px 24px; box-shadow: var(--shadow-lg); gap: 8px; transform: translateY(-12px); opacity: 0; visibility: hidden; transition: all 0.3s ease; border-bottom: 1px solid var(--border); }
  .main-nav.open { transform: translateY(0); opacity: 1; visibility: visible; }
  .nav-link { display: block; padding: 12px 18px; font-size: 16px; border-radius: 10px; }
  .nav-cta { display: none; }
  .hero h1 { font-size: 30px; }
  .hero p { font-size: 15px; }
  .cta-section h2 { font-size: 26px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .category-hero-card { padding: 36px 24px; }
  .section-title { font-size: 26px; }
  .section-head { align-items: flex-start; flex-direction: column; }
}
@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .hero { padding: 64px 0 56px; }
  .hero h1 { font-size: 25px; }
  .hero-actions .btn { width: 100%; }
  .cards-grid { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr; }
  .btn { padding: 11px 20px; font-size: 14px; }
  .news-item { padding: 18px; }
  .category-hero-card { padding: 28px 18px; }
  .hero-stats { gap: 18px; }
  .cta-section .btn { width: 90%; margin-bottom: 8px; }
}

/* roulang page: category1 */
:root {
  --primary: #0e1f3c;
  --primary-light: #1b3a6b;
  --accent: #f59e0b;
  --accent-dark: #d97706;
  --bg: #f6f7fb;
  --bg-white: #ffffff;
  --bg-dark: #0c1626;
  --text: #1a2332;
  --text-light: #5b6b7f;
  --border: #e7ebf2;
  --radius: 18px;
  --radius-sm: 12px;
  --shadow: 0 10px 30px rgba(14, 31, 60, .08);
  --shadow-lg: 0 20px 50px rgba(14, 31, 60, .12);
  --transition: .25s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

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

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

.container {
  width: min(1180px, 92%);
  margin-inline: auto;
}

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, .94);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 2px 12px rgba(14, 31, 60, .04);
}

.header-main {
  display: flex;
  align-items: center;
  gap: 24px;
  height: 72px;
  flex-wrap: wrap;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 1.28rem;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: .2px;
  order: 1;
}

.brand-mark {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  display: grid;
  place-items: center;
  font-weight: 800;
  font-size: 1.2rem;
  box-shadow: 0 6px 16px rgba(14, 31, 60, .24);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: auto;
  order: 4;
}

.nav-link {
  padding: 9px 20px;
  border-radius: 999px;
  font-size: .95rem;
  font-weight: 600;
  color: var(--text);
  transition: var(--transition);
}

.nav-link:hover {
  background: #f0f3f9;
  color: var(--primary);
}

.nav-link.active {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 6px 16px rgba(14, 31, 60, .25);
}

.nav-cta {
  padding: 10px 20px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), #fbbf24);
  color: #1a2332;
  font-weight: 700;
  font-size: .92rem;
  box-shadow: 0 6px 18px rgba(245, 158, 11, .36);
  transition: var(--transition);
  order: 2;
  margin-left: 0;
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(245, 158, 11, .45);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  background: #f0f3f9;
  border-radius: 10px;
  align-items: center;
  order: 3;
}

.nav-toggle span {
  width: 18px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
}

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

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

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

/* ===== Hero ===== */
.page-hero {
  position: relative;
  background: linear-gradient(rgba(12, 22, 38, .82), rgba(14, 31, 60, .9)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  padding: 92px 0 86px;
  color: #fff;
  overflow: hidden;
}

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

.breadcrumb {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: .88rem;
  color: rgba(255, 255, 255, .7);
  background: rgba(255, 255, 255, .1);
  backdrop-filter: blur(4px);
  border-radius: 999px;
  padding: 6px 16px;
  margin-bottom: 22px;
}

.breadcrumb a {
  color: rgba(255, 255, 255, .7);
  transition: var(--transition);
}

.breadcrumb a:hover {
  color: #fff;
}

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

.page-hero h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: .5px;
  max-width: 720px;
  margin-bottom: 18px;
}

.page-hero p {
  font-size: clamp(.98rem, 1.6vw, 1.12rem);
  color: rgba(255, 255, 255, .85);
  max-width: 640px;
  margin-bottom: 32px;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 999px;
  font-weight: 700;
  font-size: .96rem;
  transition: var(--transition);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), #fbbf24);
  color: #1a2332;
  box-shadow: 0 10px 24px rgba(245, 158, 11, .35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 34px rgba(245, 158, 11, .45);
}

.btn-outline {
  border: 1.5px solid rgba(255, 255, 255, .5);
  color: #fff;
  background: transparent;
}

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

/* ===== Section common ===== */
.section {
  padding: 84px 0;
}

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

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

.section-head .title {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800;
  color: var(--primary);
  line-height: 1.3;
  margin-bottom: 6px;
}

.section-head .subtitle {
  color: var(--text-light);
  font-size: .98rem;
  max-width: 560px;
}

.section-head .more-link {
  font-weight: 600;
  color: var(--accent-dark);
  border-bottom: 2px solid transparent;
  transition: var(--transition);
  white-space: nowrap;
}

.section-head .more-link:hover {
  border-color: var(--accent);
}

/* ===== Filter Tabs ===== */
.news-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 36px;
}

.filter-tab {
  padding: 9px 22px;
  border-radius: 999px;
  background: #eef1f7;
  color: var(--text);
  font-size: .92rem;
  font-weight: 600;
  transition: var(--transition);
  border: 1px solid transparent;
}

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

.filter-tab.active {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 8px 20px rgba(14, 31, 60, .22);
}

/* ===== News Grid ===== */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}

.news-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.news-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.news-card-media {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
}

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

.news-card:hover .news-card-media img {
  transform: scale(1.05);
}

.news-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(14, 31, 60, .85);
  backdrop-filter: blur(6px);
  color: #fff;
  font-size: .8rem;
  font-weight: 600;
  padding: 5px 14px;
  border-radius: 999px;
}

.news-card-body {
  padding: 22px 22px 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.news-card-body h3 {
  font-size: 1.08rem;
  font-weight: 700;
  line-height: 1.5;
  margin-bottom: 10px;
  color: var(--text);
  transition: var(--transition);
}

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

.news-card-body p {
  font-size: .92rem;
  color: var(--text-light);
  line-height: 1.7;
  flex: 1;
  margin-bottom: 16px;
}

.card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: .82rem;
  color: var(--text-light);
}

.card-meta .card-link {
  font-weight: 600;
  color: var(--accent-dark);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: var(--transition);
}

.card-meta .card-link:hover {
  gap: 8px;
  color: var(--accent);
}

/* ===== Stats ===== */
.stats-section {
  background: linear-gradient(135deg, var(--bg-dark), #172f52);
  position: relative;
  overflow: hidden;
}

.stats-section::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 340px;
  height: 340px;
  background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  opacity: .18;
  pointer-events: none;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  position: relative;
  z-index: 2;
}

.stat-item {
  text-align: center;
  background: rgba(255, 255, 255, .06);
  border: 1px solid rgba(255, 255, 255, .1);
  border-radius: var(--radius);
  padding: 34px 20px;
  backdrop-filter: blur(6px);
  transition: var(--transition);
}

.stat-item:hover {
  background: rgba(255, 255, 255, .1);
  transform: translateY(-4px);
}

.stat-num {
  font-size: 2.6rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1.2;
  margin-bottom: 6px;
}

.stat-label {
  color: rgba(255, 255, 255, .75);
  font-size: .94rem;
  font-weight: 500;
}

/* ===== Guide ===== */
.guide-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.guide-step {
  position: relative;
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 34px 24px 26px;
  transition: var(--transition);
}

.guide-step:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow);
  transform: translateY(-4px);
}

.step-num {
  display: inline-grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--accent), #fbbf24);
  color: #1a2332;
  font-weight: 800;
  font-size: 1.2rem;
  margin-bottom: 18px;
  box-shadow: 0 8px 20px rgba(245, 158, 11, .3);
}

.step-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 8px;
}

.step-desc {
  font-size: .92rem;
  color: var(--text-light);
  line-height: 1.7;
}

/* ===== FAQ ===== */
.faq-list {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-item {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: var(--transition);
}

.faq-item:hover {
  border-color: #cfd8e6;
}

.faq-item summary {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: var(--transition);
}

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

.faq-item summary::after {
  content: "+";
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--accent-dark);
  transition: var(--transition);
  line-height: 1;
}

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

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

.faq-answer {
  padding: 16px 24px 22px;
  color: var(--text-light);
  font-size: .95rem;
  line-height: 1.75;
  background: #fafbfd;
}

/* ===== CTA ===== */
.cta-section {
  position: relative;
  background: linear-gradient(rgba(14, 31, 60, .88), rgba(14, 31, 60, .88)), url('/assets/images/backpic/back-3.png') center/cover no-repeat;
  padding: 70px 0;
  text-align: center;
  color: #fff;
}

.cta-section h2 {
  font-size: clamp(1.7rem, 3.6vw, 2.4rem);
  font-weight: 800;
  margin-bottom: 12px;
}

.cta-section p {
  color: rgba(255, 255, 255, .8);
  max-width: 560px;
  margin: 0 auto 30px;
}

.cta-form {
  display: flex;
  gap: 10px;
  max-width: 460px;
  margin: 0 auto;
  padding: 6px;
  background: rgba(255, 255, 255, .14);
  border-radius: 999px;
  backdrop-filter: blur(6px);
}

.cta-form input {
  flex: 1;
  border: none;
  background: transparent;
  padding: 10px 20px;
  font-size: .95rem;
  color: #fff;
  outline: none;
  border-radius: 999px;
}

.cta-form input::placeholder {
  color: rgba(255, 255, 255, .6);
}

.cta-form .btn {
  padding: 10px 24px;
  white-space: nowrap;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--bg-dark);
  color: rgba(255, 255, 255, .72);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 40px;
  padding: 56px 0 32px;
}

.footer-logo {
  font-size: 1.25rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 12px;
}

.footer-brand p {
  font-size: .92rem;
  line-height: 1.75;
  color: rgba(255, 255, 255, .65);
  max-width: 320px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links h4 {
  color: #fff;
  font-size: 1rem;
  margin-bottom: 4px;
}

.footer-links a {
  color: rgba(255, 255, 255, .72);
  font-size: .92rem;
  transition: var(--transition);
  width: fit-content;
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .12);
  padding: 20px 0;
}

.footer-bottom .container {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: space-between;
  font-size: .85rem;
  color: rgba(255, 255, 255, .5);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .news-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .guide-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
  }

  .stats-grid {
    gap: 20px;
  }
}

@media (max-width: 768px) {
  .header-main {
    height: auto;
    padding: 12px 0;
    gap: 12px;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-cta {
    order: 3;
    margin-left: auto;
  }

  .main-nav {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
    order: 5;
    padding: 10px 0 6px;
    margin-left: 0;
  }

  .main-nav.open {
    display: flex;
  }

  .nav-link {
    padding: 12px 18px;
    border-radius: var(--radius-sm);
  }

  .page-hero {
    padding: 60px 0;
  }

  .news-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }

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

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .section {
    padding: 56px 0;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
    padding: 40px 0 24px;
  }

  .cta-form {
    flex-direction: column;
    border-radius: 24px;
    padding: 10px;
    gap: 8px;
  }

  .cta-form input {
    text-align: center;
  }
}

@media (max-width: 520px) {
  .header-main {
    gap: 8px;
  }

  .nav-cta {
    display: none;
  }

  .nav-toggle {
    margin-left: auto;
  }

  .brand {
    font-size: 1.1rem;
  }

  .brand-mark {
    width: 36px;
    height: 36px;
    font-size: 1rem;
    border-radius: 10px;
  }

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

  .section-head {
    flex-direction: column;
    align-items: flex-start;
    margin-bottom: 28px;
  }

  .news-filters {
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-bottom: 10px;
    -webkit-overflow-scrolling: touch;
  }

  .filter-tab {
    white-space: nowrap;
    flex-shrink: 0;
  }

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

  .stat-item {
    padding: 22px 12px;
  }

  .stat-num {
    font-size: 1.9rem;
  }

  .faq-item summary {
    padding: 16px 18px;
    font-size: .95rem;
  }

  .faq-answer {
    padding: 14px 18px 18px;
  }

  .cta-section {
    padding: 54px 0;
  }

  .footer-bottom .container {
    flex-direction: column;
    text-align: center;
  }
}

/* roulang page: article */
/* ============ 设计变量 ============ */
:root {
  --primary: #0e7490;
  --primary-dark: #155e75;
  --primary-deep: #134e5e;
  --primary-light: #e0f2fe;
  --accent: #f59e0b;
  --accent-dark: #d97706;
  --bg: #f4f8fa;
  --surface: #ffffff;
  --text: #0f172a;
  --text-soft: #475569;
  --text-muted: #64748b;
  --border: #e2e8f0;
  --radius: 14px;
  --radius-lg: 22px;
  --radius-sm: 10px;
  --shadow-sm: 0 2px 8px rgba(15, 23, 42, .06);
  --shadow: 0 10px 30px rgba(15, 23, 42, .08);
  --shadow-lg: 0 24px 50px rgba(15, 23, 42, .14);
  --transition: .25s ease;
  --container: 1200px;
}

/* ============ Reset / Base ============ */
*, *::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", "Noto Sans SC", -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 16px; line-height: 1.75; color: var(--text); background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; border: 0; }
a { color: inherit; text-decoration: none; transition: color var(--transition), background var(--transition), border-color var(--transition), box-shadow var(--transition), transform var(--transition); }
button { font-family: inherit; cursor: pointer; background: none; border: none; }
ul, ol { list-style: none; }
h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.3; }
a:focus-visible, button:focus-visible { outline: 3px solid rgba(14, 116, 144, .4); outline-offset: 2px; }

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

/* ============ Header ============ */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255, 255, 255, .92);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.header-main { display: flex; align-items: center; justify-content: space-between; gap: 24px; height: 76px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-size: 1.18rem; font-weight: 800; color: var(--primary-dark); letter-spacing: .02em; white-space: nowrap; }
.brand-mark {
  display: grid; place-items: center; width: 42px; height: 42px; border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff; font-weight: 800; font-size: 1.05rem;
  box-shadow: 0 6px 16px rgba(14, 116, 144, .28); transition: transform .3s ease;
}
.brand:hover .brand-mark { transform: rotate(-4deg) scale(1.04); }

.main-nav { display: flex; align-items: center; gap: 30px; }
.nav-link { position: relative; padding: 10px 2px; font-weight: 500; font-size: .98rem; color: var(--text-muted); letter-spacing: .01em; }
.nav-link::after { content: ""; position: absolute; left: 0; bottom: 4px; width: 0; height: 2px; border-radius: 99px; background: var(--primary); transition: width .3s ease; }
.nav-link:hover { color: var(--primary-dark); }
.nav-link:hover::after, .nav-link.active::after { width: 100%; }
.nav-link.active { color: var(--primary-dark); font-weight: 700; }

.nav-cta {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 10px 22px; border-radius: 999px; background: var(--primary); color: #fff;
  font-size: .92rem; font-weight: 600; box-shadow: 0 6px 18px rgba(14, 116, 144, .22); white-space: nowrap;
}
.nav-cta:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 10px 24px rgba(14, 116, 144, .32); }

.nav-toggle {
  display: none; flex-direction: column; justify-content: center; gap: 5px;
  width: 42px; height: 42px; border-radius: 10px; border: 1px solid var(--border);
  background: #fff; padding: 0 10px;
}
.nav-toggle span { display: block; width: 20px; height: 2px; background: var(--text); border-radius: 2px; transition: transform .3s, opacity .3s; }
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============ Article Hero ============ */
.article-hero { position: relative; padding: 110px 0 100px; background: #0b323d center/cover no-repeat; }
.article-hero::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(2, 32, 42, .94) 8%, rgba(10, 72, 88, .82) 50%, rgba(14, 116, 144, .55) 100%);
}
.article-hero .container { position: relative; z-index: 1; max-width: 960px; }

.breadcrumb { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; font-size: .88rem; color: rgba(255, 255, 255, .78); margin-bottom: 26px; }
.breadcrumb a { color: rgba(255, 255, 255, .85); transition: color .2s; }
.breadcrumb a:hover { color: #fff; }
.breadcrumb .sep { opacity: .45; }

.hero-badge {
  display: inline-block; padding: 6px 16px; border-radius: 999px;
  background: rgba(255, 255, 255, .15); border: 1px solid rgba(255, 255, 255, .25);
  font-size: .82rem; font-weight: 600; letter-spacing: .04em; color: #fff; margin-bottom: 18px;
  -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px);
}
.article-hero h1 { font-size: clamp(1.9rem, 4.2vw, 2.8rem); line-height: 1.28; font-weight: 800; color: #fff; margin-bottom: 18px; text-shadow: 0 2px 20px rgba(0, 0, 0, .15); }
.hero-desc { max-width: 680px; font-size: 1.12rem; line-height: 1.85; color: rgba(255, 255, 255, .86); margin-bottom: 28px; }
.article-meta { display: flex; flex-wrap: wrap; gap: 14px; }
.meta-item {
  display: inline-flex; align-items: center; gap: 7px; padding: 6px 15px; border-radius: 999px;
  background: rgba(255, 255, 255, .12); border: 1px solid rgba(255, 255, 255, .16);
  color: rgba(255, 255, 255, .9); font-size: .87rem;
  -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px);
}
.meta-icon { width: 14px; height: 14px; flex: none; opacity: .8; }

/* ============ Article Main ============ */
.article-main { padding: 64px 0 80px; }
.article-grid { display: grid; grid-template-columns: minmax(0, 1fr) 330px; gap: 40px; align-items: start; }
.article-body-wrap {
  background: var(--surface); border-radius: var(--radius-lg); box-shadow: var(--shadow);
  padding: 50px 52px; border: 1px solid rgba(255, 255, 255, .6);
}

.article-content { font-size: 1.05rem; line-height: 1.95; color: var(--text-soft); }
.article-content h2 { font-size: 1.55rem; margin: 2.2rem 0 1.1rem; color: var(--text); padding-left: 16px; border-left: 4px solid var(--primary); line-height: 1.4; }
.article-content h3 { font-size: 1.28rem; margin: 1.9rem 0 .9rem; color: var(--text); }
.article-content p { margin-bottom: 1.5rem; }
.article-content ul, .article-content ol { margin-bottom: 1.5rem; padding-left: 1.5rem; }
.article-content ul { list-style: disc; }
.article-content ol { list-style: decimal; }
.article-content li { margin-bottom: .55rem; }
.article-content blockquote { margin: 2rem 0; padding: 20px 24px; border-radius: var(--radius); background: var(--primary-light); border-left: 4px solid var(--primary); color: var(--text-soft); }
.article-content img { border-radius: var(--radius); margin: 1.8rem 0; box-shadow: var(--shadow); width: 100%; }
.article-content a { color: var(--primary); font-weight: 500; border-bottom: 1px solid rgba(14, 116, 144, .3); }
.article-content a:hover { color: var(--primary-dark); border-color: currentColor; }
.article-content table { width: 100%; border-collapse: collapse; margin: 1.5rem 0; font-size: .92rem; }
.article-content th, .article-content td { border: 1px solid var(--border); padding: 10px 14px; text-align: left; }
.article-content th { background: var(--primary-light); color: var(--text); }

.content-empty { padding: 60px 20px; text-align: center; color: var(--text-muted); font-size: 1rem; }
.article-footer-note {
  margin-top: 38px; padding: 16px 20px; border-radius: var(--radius-sm);
  background: var(--bg); color: var(--text-muted); font-size: .88rem; border: 1px dashed var(--border);
}

/* ============ Aside ============ */
.article-aside { display: flex; flex-direction: column; gap: 22px; position: sticky; top: 104px; }
.aside-card { background: var(--surface); border-radius: var(--radius); border: 1px solid var(--border); box-shadow: var(--shadow-sm); padding: 26px; }
.aside-card h3 { font-size: 1.02rem; font-weight: 700; margin-bottom: 18px; padding-bottom: 12px; border-bottom: 1px solid var(--border); position: relative; color: var(--text); }
.aside-card h3::after { content: ""; position: absolute; left: 0; bottom: -1px; width: 44px; height: 2px; border-radius: 2px; background: var(--primary); }

.info-list { display: flex; flex-direction: column; }
.info-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 9px 0; border-bottom: 1px dashed var(--border); font-size: .92rem; color: var(--text-muted); }
.info-row:last-child { border-bottom: 0; }
.info-row strong { color: var(--text); font-weight: 600; text-align: right; }

.tag-cloud { display: flex; flex-wrap: wrap; gap: 10px; }
.cloud-tag { display: inline-block; padding: 6px 14px; border-radius: 999px; background: var(--bg); color: var(--text-soft); font-size: .84rem; border: 1px solid var(--border); transition: all .25s; }
.cloud-tag:hover { background: var(--primary-light); color: var(--primary-dark); border-color: rgba(14, 116, 144, .35); }

.aside-service { text-align: center; background: linear-gradient(145deg, var(--primary-light), #f0f9ff); border-color: rgba(14, 116, 144, .18); }
.service-icon {
  display: inline-flex; align-items: center; justify-content: center; width: 54px; height: 54px;
  border-radius: 16px; background: var(--primary); color: #fff; font-weight: 800; font-size: .95rem;
  letter-spacing: .02em; box-shadow: 0 8px 20px rgba(14, 116, 144, .28); margin-bottom: 14px;
}
.aside-service h3 { border-bottom: 0; padding-bottom: 0; margin-bottom: 10px; }
.aside-service h3::after { display: none; }
.aside-service p { font-size: .9rem; color: var(--text-muted); margin-bottom: 20px; line-height: 1.7; }

/* ============ Buttons ============ */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 28px; border-radius: 999px; font-weight: 600; font-size: .94rem; line-height: 1.2; border: 2px solid transparent; transition: all .3s ease; }
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 6px 18px rgba(14, 116, 144, .22); }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 12px 28px rgba(14, 116, 144, .32); }
.btn-outline-dark { border-color: var(--primary); color: var(--primary); background: transparent; }
.btn-outline-dark:hover { background: var(--primary); color: #fff; transform: translateY(-2px); box-shadow: 0 10px 24px rgba(14, 116, 144, .22); }
.btn-light { background: #fff; color: var(--primary-dark); box-shadow: 0 8px 24px rgba(0, 0, 0, .15); }
.btn-light:hover { background: var(--primary-light); transform: translateY(-2px); box-shadow: 0 14px 32px rgba(0, 0, 0, .2); }
.btn-block { width: 100%; }

/* ============ Not Found ============ */
.not-found { max-width: 680px; margin: 30px auto; padding: 56px 40px; text-align: center; background: var(--surface); border-radius: var(--radius-lg); border: 1px solid var(--border); box-shadow: var(--shadow); }
.not-found-code { display: block; font-size: 4.2rem; font-weight: 900; line-height: 1; color: var(--primary); opacity: .25; margin-bottom: 10px; }
.not-found h2 { font-size: 1.7rem; margin-bottom: 12px; }
.not-found p { color: var(--text-muted); margin-bottom: 28px; }
.not-found .btn { margin: 0 6px 6px; }

/* ============ Recommend Section ============ */
.recommend-section { position: relative; padding: 80px 0; background: url('/assets/images/backpic/back-3.png') center/cover no-repeat; }
.recommend-section::before { content: ""; position: absolute; inset: 0; background: rgba(8, 38, 48, .93); }
.recommend-section .container { position: relative; z-index: 1; }

.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; margin-bottom: 38px; flex-wrap: wrap; }
.section-head h2 { font-size: clamp(1.55rem, 3vw, 2.15rem); font-weight: 800; color: var(--text); }
.recommend-section .section-head h2 { color: #fff; }
.section-head p { color: var(--text-muted); margin-top: 8px; font-size: .98rem; }
.recommend-section .section-head p { color: rgba(255, 255, 255, .7); }

.section-more { display: inline-flex; align-items: center; gap: 6px; font-weight: 600; font-size: .92rem; color: var(--primary); background: #fff; padding: 9px 20px; border-radius: 999px; box-shadow: var(--shadow-sm); transition: all .25s; }
.section-more:hover { transform: translateX(4px); background: var(--primary-light); }

.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.news-card { display: flex; flex-direction: column; background: var(--surface); border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--border); box-shadow: var(--shadow-sm); transition: transform .35s ease, box-shadow .35s ease, border-color .35s; }
.news-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); border-color: rgba(14, 116, 144, .35); }

.news-img-wrap { position: relative; overflow: hidden; }
.news-img-wrap img { width: 100%; height: 200px; object-fit: cover; transition: transform .5s ease; }
.news-card:hover .news-img-wrap img { transform: scale(1.06); }

.img-tag { position: absolute; left: 16px; top: 16px; padding: 4px 12px; border-radius: 999px; background: rgba(14, 116, 144, .88); color: #fff; font-size: .78rem; font-weight: 600; -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px); }

.news-card-body { display: flex; flex-direction: column; flex: 1; padding: 22px 22px 20px; }
.news-card-body h3 { font-size: 1.04rem; font-weight: 700; line-height: 1.5; margin-bottom: 8px; color: var(--text); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; min-height: 3em; transition: color .25s; }
.news-card:hover .news-card-body h3 { color: var(--primary); }
.news-card-body p { font-size: .9rem; color: var(--text-muted); line-height: 1.7; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; margin-bottom: 14px; flex: 1; }
.news-date { font-size: .8rem; color: #94a3b8; display: inline-flex; align-items: center; gap: 6px; }

.empty-state { grid-column: 1 / -1; padding: 60px 20px; text-align: center; background: rgba(255, 255, 255, .08); border: 1px dashed rgba(255, 255, 255, .25); border-radius: var(--radius-lg); color: rgba(255, 255, 255, .8); font-size: 1rem; }

/* ============ FAQ ============ */
.faq-section { padding: 70px 0; background: var(--surface); border-top: 1px solid var(--border); }
.faq-section .container { max-width: 920px; }
.faq-section .section-head { justify-content: center; text-align: center; }
.faq-list { display: flex; flex-direction: column; gap: 16px; }
.faq-item { background: var(--surface); border: 1px solid var(--border); border-radius: 16px; padding: 22px 26px; transition: border-color .25s, box-shadow .25s; }
.faq-item:hover { border-color: rgba(14, 116, 144, .35); box-shadow: var(--shadow-sm); }
.faq-item summary { list-style: none; cursor: pointer; display: flex; align-items: center; justify-content: space-between; gap: 18px; font-weight: 600; font-size: 1rem; color: var(--text); }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { flex: none; content: "\002B"; display: grid; place-items: center; width: 28px; height: 28px; border-radius: 50%; background: var(--primary-light); color: var(--primary); font-size: 1.25rem; font-weight: 600; transition: transform .3s, background .3s; }
.faq-item[open] summary::after { content: "\00D7"; transform: rotate(90deg); }
.faq-answer { padding: 14px 0 0; color: var(--text-muted); font-size: .95rem; line-height: 1.85; }

/* ============ CTA ============ */
.cta-wrap { padding: 0 0 80px; }
.cta-card {
  position: relative; overflow: hidden; padding: 60px 40px; text-align: center; color: #fff;
  background: linear-gradient(135deg, var(--primary-dark), var(--primary-deep) 55%, #0b7285);
  border-radius: var(--radius-lg); box-shadow: 0 24px 60px rgba(10, 60, 72, .35);
}
.cta-card::before { content: ""; position: absolute; width: 260px; height: 260px; border-radius: 50%; background: rgba(255, 255, 255, .08); top: -90px; right: -70px; }
.cta-card::after { content: ""; position: absolute; width: 180px; height: 180px; border-radius: 50%; background: rgba(245, 158, 11, .14); bottom: -80px; left: -40px; }
.cta-card h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); margin-bottom: 14px; position: relative; z-index: 1; }
.cta-card p { max-width: 560px; margin: 0 auto 28px; color: rgba(255, 255, 255, .82); font-size: 1.02rem; position: relative; z-index: 1; }
.cta-card .btn { position: relative; z-index: 1; }

/* ============ Footer ============ */
.site-footer { background: #0c2a35; color: #9dbdcd; padding-top: 60px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr; gap: 48px; padding-bottom: 40px; border-bottom: 1px solid rgba(255, 255, 255, .08); }
.footer-logo { font-size: 1.22rem; font-weight: 800; color: #fff; margin-bottom: 14px; }
.footer-brand p { font-size: .92rem; line-height: 1.85; max-width: 360px; color: #9dbdcd; }
.footer-links h4 { font-size: .98rem; color: #fff; margin-bottom: 16px; }
.footer-links a { display: block; padding: 5px 0; font-size: .9rem; color: #9dbdcd; }
.footer-links a:hover { color: #fff; padding-left: 4px; }
.footer-bottom { padding: 18px 0; font-size: .84rem; color: rgba(255, 255, 255, .55); }
.footer-bottom .container { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 10px; }

/* ============ Responsive ============ */
@media (max-width: 1024px) {
  .article-grid { grid-template-columns: 1fr; }
  .article-aside { position: static; display: grid; grid-template-columns: 1fr 1fr; }
  .aside-service { grid-column: 1 / -1; }
  .news-grid { grid-template-columns: repeat(2, 1fr); }
  .article-body-wrap { padding: 40px; }
}

@media (max-width: 768px) {
  .header-main { height: 66px; }
  .main-nav {
    position: fixed; top: 66px; left: 0; right: 0; z-index: 99;
    flex-direction: column; align-items: stretch; gap: 4px;
    background: #fff; padding: 16px 24px 22px;
    border-bottom: 1px solid var(--border); box-shadow: 0 24px 40px rgba(15, 23, 42, .12);
    transform: translateY(-110%); transition: transform .35s ease;
  }
  .main-nav.open { transform: translateY(0); }
  .main-nav .nav-link { display: block; padding: 13px 4px; font-size: 1.02rem; border-bottom: 1px solid #f1f5f9; }
  .main-nav .nav-link::after { display: none; }
  .nav-cta { display: none; }
  .nav-toggle { display: inline-flex; }

  .article-hero { padding: 75px 0 65px; }
  .article-hero h1 { font-size: 1.75rem; }
  .hero-desc { font-size: 1rem; }
  .article-main { padding: 46px 0 60px; }
  .article-body-wrap { padding: 28px 22px; }
  .article-content { font-size: 1rem; }
  .news-grid { grid-template-columns: 1fr; }
  .recommend-section { padding: 56px 0; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom .container { flex-direction: column; text-align: center; }
  .cta-card { padding: 44px 24px; }
}

@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .article-hero { padding: 58px 0 50px; }
  .article-hero h1 { font-size: 1.5rem; }
  .article-meta { gap: 10px; }
  .meta-item { font-size: .8rem; padding: 5px 11px; }
  .section-head { flex-direction: column; align-items: flex-start; gap: 8px; margin-bottom: 26px; }
  .article-aside { grid-template-columns: 1fr; }
  .article-grid { gap: 28px; }
  .article-body-wrap { padding: 22px 16px; }
  .article-content h2 { font-size: 1.3rem; }
  .faq-item { padding: 18px 18px; }
  .faq-item summary { font-size: .94rem; }
  .cta-card { padding: 36px 18px; }
}