/* roulang page: index */
:root {
  --primary: #1b2a5e;
  --primary-deep: #101a3d;
  --primary-light: #2c3f7a;
  --accent: #f5b642;
  --accent-dark: #d99a24;
  --bg: #f4f6fb;
  --bg-alt: #e9edf6;
  --surface: #ffffff;
  --text: #16204a;
  --text-weak: #5d688b;
  --border: #dde3ef;
  --radius: 18px;
  --radius-sm: 12px;
  --shadow: 0 8px 30px rgba(16, 26, 61, 0.08);
  --shadow-lg: 0 16px 46px rgba(16, 26, 61, 0.14);
  --spacer: 96px;
  --font: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}
* { box-sizing: border-box; padding: 0; margin: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; transition: color .2s ease, opacity .2s ease; }
a:focus-visible, button:focus-visible, input:focus-visible {
  outline: 3px solid rgba(245, 182, 66, 0.55);
  outline-offset: 2px;
}
img { max-width: 100%; display: block; }
ul, ol { list-style: none; }
button { font-family: var(--font); cursor: pointer; border: none; background: none; }
input, select, textarea { font-family: var(--font); }

.app-shell {
  display: grid;
  grid-template-columns: 280px 1fr;
  min-height: 100vh;
}

/* ===================== 左侧竖向导航 ===================== */
.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  background: linear-gradient(165deg, var(--primary-deep) 0%, var(--primary) 55%, #233870 100%);
  display: flex;
  flex-direction: column;
  padding: 30px 22px 24px;
  color: #fff;
  z-index: 50;
  overflow-y: auto;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 6px 6px 18px;
  border-bottom: 1px solid rgba(255,255,255,.14);
}
.brand-icon {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--accent), #ffd889);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-deep);
  font-size: 22px;
  flex-shrink: 0;
  box-shadow: 0 6px 18px rgba(245,182,66,.32);
}
.brand-name { font-size: 17px; font-weight: 800; letter-spacing: .5px; line-height: 1.35; }
.brand-sub { font-size: 11px; color: rgba(255,255,255,.62); letter-spacing: 1px; }

.nav-label {
  font-size: 12px;
  letter-spacing: 2px;
  color: rgba(255,255,255,.5);
  margin: 26px 8px 12px;
  text-transform: uppercase;
}
.side-nav a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 13px 14px;
  border-radius: 12px;
  color: rgba(255,255,255,.82);
  font-size: 15px;
  font-weight: 500;
  margin-bottom: 6px;
  transition: background .2s ease, color .2s ease, transform .2s ease;
}
.side-nav a i { width: 20px; text-align: center; font-size: 16px; opacity: .85; }
.side-nav a:hover { background: rgba(255,255,255,.1); color: #fff; transform: translateX(2px); }
.side-nav a.is-active {
  background: linear-gradient(135deg, var(--accent), #ffd079);
  color: var(--primary-deep);
  font-weight: 700;
  box-shadow: 0 8px 22px rgba(245,182,66,.28);
}
.side-nav a.is-active i { opacity: 1; }

.side-card {
  margin-top: auto;
  background: rgba(255,255,255,.09);
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 16px;
  padding: 18px 16px;
  text-align: center;
}
.side-card p { font-size: 13px; color: rgba(255,255,255,.75); line-height: 1.6; margin-bottom: 12px; }
.side-card a.btn { display: inline-block; width: 100%; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .3px;
  background: var(--accent);
  color: var(--primary-deep);
  border: none;
  transition: background .2s ease, transform .2s ease, box-shadow .2s ease;
  box-shadow: 0 8px 24px rgba(245,182,66,.3);
}
.btn:hover { background: #ffcd66; transform: translateY(-2px); box-shadow: 0 12px 30px rgba(245,182,66,.4); color: var(--primary-deep); }
.btn:active { transform: translateY(0); }
.btn-glow { background: linear-gradient(135deg, var(--accent), #ffd889); }
.btn-outline { background: transparent; color: #fff; border: 1.5px solid rgba(255,255,255,.5); box-shadow: none; }
.btn-outline:hover { background: rgba(255,255,255,.1); color: #fff; box-shadow: none; }
.btn-dark { background: var(--primary); color: #fff; box-shadow: 0 8px 24px rgba(27,42,94,.24); }
.btn-dark:hover { background: var(--primary-light); color: #fff; }

/* ===================== 移动端横条 ===================== */
.mobile-header {
  display: none;
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--primary-deep);
  padding: 14px 18px;
  align-items: center;
  justify-content: space-between;
  box-shadow: 0 4px 18px rgba(0,0,0,.2);
}
.mobile-brand { display: flex; align-items: center; gap: 10px; color: #fff; font-weight: 800; font-size: 16px; }
.mobile-brand i { color: var(--accent); font-size: 20px; }
.menu-toggle { color: #fff; font-size: 24px; padding: 6px 8px; }
.mobile-menu {
  display: none;
  position: fixed;
  top: 58px;
  left: 0;
  right: 0;
  background: var(--primary-deep);
  padding: 18px;
  z-index: 99;
  border-top: 1px solid rgba(255,255,255,.12);
  box-shadow: 0 18px 30px rgba(0,0,0,.35);
}
.mobile-menu.open { display: block; }
.mobile-menu a {
  display: block;
  padding: 14px 12px;
  color: rgba(255,255,255,.85);
  font-size: 15px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.mobile-menu a i { margin-right: 10px; width: 20px; }
.mobile-menu a.is-active { color: var(--accent); font-weight: 700; }

/* ===================== 主内容区 ===================== */
.main-content { min-width: 0; }

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 32px;
}
.section { padding: var(--spacer) 0; }
.section-alt { background: var(--bg-alt); }
.section-head { margin-bottom: 42px; max-width: 720px; }
.kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--accent-dark);
  background: rgba(245,182,66,.12);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 14px;
}
.section-head h2 { font-size: clamp(26px, 3.4vw, 38px); font-weight: 800; color: var(--primary-deep); line-height: 1.3; }
.section-head p { color: var(--text-weak); font-size: 16px; margin-top: 12px; }

/* ===================== Hero ===================== */
.hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(160deg, rgba(16,26,61,.92) 0%, rgba(27,42,94,.86) 45%, rgba(35,56,112,.88) 100%), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  color: #fff;
  padding: 88px 0 72px;
}
.hero::after {
  content: "";
  position: absolute;
  top: -120px;
  right: -80px;
  width: 420px;
  height: 420px;
  background: radial-gradient(circle, rgba(245,182,66,.28) 0%, transparent 65%);
  pointer-events: none;
}
.hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 48px; align-items: center; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.2);
  padding: 7px 16px;
  border-radius: 999px;
  margin-bottom: 20px;
  color: #ffd889;
}
.hero-badge i { font-size: 12px; }
.hero h1 { font-size: clamp(32px, 4.6vw, 54px); font-weight: 900; line-height: 1.2; margin-bottom: 18px; }
.hero h1 span { color: var(--accent); }
.hero-desc { font-size: 17px; color: rgba(255,255,255,.82); max-width: 560px; margin-bottom: 30px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 30px; }
.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
  font-size: 14px;
  color: rgba(255,255,255,.7);
}
.hero-meta i { color: var(--accent); margin-right: 6px; }
.hero-visual { position: relative; }
.hero-card {
  background: rgba(255,255,255,.1);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 24px;
  padding: 26px;
  position: relative;
  box-shadow: 0 24px 60px rgba(0,0,0,.22);
}
.hero-card-top { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 20px; }
.hero-card-top { color: #fff; font-weight: 700; }
.hero-count {
  background: rgba(255,255,255,.15);
  border-radius: 12px;
  padding: 14px 18px;
  text-align: center;
}
.hero-count strong { display: block; font-size: 26px; color: var(--accent); }
.hero-count span { font-size: 12px; color: rgba(255,255,255,.72); }
.hero-card-list li { display: flex; align-items: center; gap: 10px; padding: 10px 0; border-bottom: 1px solid rgba(255,255,255,.08); color: rgba(255,255,255,.85); font-size: 14px; }
.hero-card-list li:last-child { border-bottom: none; }
.hero-card-list i { color: var(--accent); }

/* ===================== 分类入口 ===================== */
.entry-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.entry-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  min-height: 220px;
  display: flex;
  align-items: flex-end;
  padding: 26px;
  color: #fff;
  box-shadow: var(--shadow);
  transition: transform .25s ease, box-shadow .25s ease;
  background: var(--primary);
}
.entry-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: .42; transition: transform .5s ease, opacity .3s ease; }
.entry-card:hover img { transform: scale(1.05); opacity: .55; }
.entry-card::after { content: ""; position: absolute; inset: 0; background: linear-gradient(175deg, transparent 30%, rgba(16,26,61,.86) 100%); z-index: 1; }
.entry-inner { position: relative; z-index: 2; }
.entry-inner h3 { font-size: 22px; font-weight: 800; margin-bottom: 6px; }
.entry-inner p { font-size: 14px; color: rgba(255,255,255,.8); margin-bottom: 12px; }
.entry-link { display: inline-flex; align-items: center; gap: 6px; font-size: 14px; font-weight: 700; color: var(--accent); }
.entry-link:hover { color: #ffd889; }

/* ===================== 核心说明 ===================== */
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 26px;
  box-shadow: var(--shadow);
  transition: transform .25s ease, box-shadow .25s ease;
}
.feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.feature-icon {
  width: 54px;
  height: 54px;
  border-radius: 15px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: 18px;
}
.feature-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 10px; }
.feature-card p { font-size: 14px; color: var(--text-weak); }

/* ===================== 最新信息列表 ===================== */
.latest-wrap { display: grid; grid-template-columns: 1.1fr .9fr; gap: 32px; align-items: start; }
.latest-list { background: var(--surface); border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; }
.latest-item {
  display: flex;
  gap: 16px;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
  transition: background .2s ease;
}
.latest-item:last-child { border-bottom: none; }
.latest-item:hover { background: #f8faff; }
.latest-thumb { width: 120px; height: 84px; border-radius: 12px; overflow: hidden; flex-shrink: 0; position: relative; }
.latest-thumb img { width: 100%; height: 100%; object-fit: cover; }
.latest-body { min-width: 0; }
.latest-title { font-size: 15px; font-weight: 700; line-height: 1.5; margin-bottom: 6px; display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden; }
.latest-title a:hover { color: var(--primary-light); }
.latest-excerpt { font-size: 13px; color: var(--text-weak); display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden; margin-bottom: 8px; }
.latest-meta { display: flex; align-items: center; gap: 12px; font-size: 12px; color: var(--text-weak); }
.tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--bg-alt);
  color: var(--primary);
}
.tag-accent { background: rgba(245,182,66,.16); color: var(--accent-dark); }
.empty-tip { padding: 40px; text-align: center; color: var(--text-weak); font-size: 15px; }
.latest-side { display: flex; flex-direction: column; gap: 20px; }
.tip-card { background: linear-gradient(145deg, #1b2a5e, #233870); border-radius: var(--radius); color: #fff; padding: 28px; }
.tip-card h4 { font-size: 19px; margin-bottom: 12px; }
.tip-card li { display: flex; gap: 12px; padding: 8px 0; font-size: 14px; color: rgba(255,255,255,.8); }
.tip-card li i { color: var(--accent); margin-top: 3px; }
.list-card { background: var(--surface); border-radius: var(--radius); box-shadow: var(--shadow); padding: 26px; }
.list-card h4 { font-size: 16px; margin-bottom: 14px; color: var(--primary-deep); }
.list-card li { display: flex; align-items: center; justify-content: space-between; padding: 11px 0; border-bottom: 1px dashed var(--border); font-size: 14px; }
.list-card li:last-child { border-bottom: none; }
.list-card li span { color: var(--text-weak); font-size: 13px; }
.list-card li i { color: var(--accent); margin-right: 8px; }

/* ===================== 数据 / 流程 ===================== */
.stats-band {
  background: linear-gradient(145deg, var(--primary-deep), var(--primary-light) 70%, #2b478f);
  border-radius: 26px;
  padding: 48px 40px;
  color: #fff;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  position: relative;
  overflow: hidden;
}
.stats-band::before { content:""; position: absolute; top:-70px; right:-50px; width:260px; height:260px; border-radius:50%; background: rgba(245,182,66,.14); }
.stat-item { text-align: center; }
.stat-num { font-size: 40px; font-weight: 900; color: var(--accent); line-height: 1.2; }
.stat-item span { font-size: 14px; color: rgba(255,255,255,.72); }
.steps { margin-top: 50px; }
.steps-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; position: relative; }
.step-item { background: var(--surface); border-radius: var(--radius); padding: 24px; text-align: center; box-shadow: var(--shadow); position: relative; }
.step-num {
  width: 42px; height: 42px; margin: 0 auto 14px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), #ffd889);
  color: var(--primary-deep);
  font-weight: 900;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
  box-shadow: 0 8px 18px rgba(245,182,66,.3);
}
.step-item h4 { font-size: 16px; margin-bottom: 6px; }
.step-item p { font-size: 13px; color: var(--text-weak); }

/* ===================== 公告 / 资讯板块 ===================== */
.info-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.info-block { background: var(--surface); border-radius: var(--radius); padding: 28px; box-shadow: var(--shadow); }
.info-block h3 { font-size: 18px; margin-bottom: 16px; display: flex; align-items: center; gap: 8px; color: var(--primary-deep); }
.info-block h3 i { color: var(--accent); }
.info-block li { display: flex; align-items: flex-start; gap: 10px; padding: 10px 0; border-bottom: 1px solid var(--border); font-size: 14px; }
.info-block li:last-child { border-bottom: none; }
.info-block li i { color: var(--accent); margin-top: 5px; font-size: 12px; }
.info-block li a:hover { color: var(--primary); }
.info-block li span { margin-left: auto; color: var(--text-weak); font-size: 12px; white-space: nowrap; padding-left: 10px; }

/* ===================== FAQ ===================== */
.faq-wrap { max-width: 820px; margin: 0 auto; }
.faq-item { background: var(--surface); border-radius: var(--radius-sm); border: 1px solid var(--border); margin-bottom: 14px; overflow: hidden; transition: box-shadow .2s ease; }
.faq-item:hover { box-shadow: var(--shadow); }
.faq-q {
  display: flex; align-items: center; justify-content: space-between; gap: 14px;
  padding: 18px 22px; font-size: 15px; font-weight: 700; cursor: pointer; color: var(--primary-deep);
}
.faq-q i { color: var(--accent); transition: transform .3s ease; }
.faq-item.active .faq-q i { transform: rotate(180deg); }
.faq-a { padding: 0 22px; max-height: 0; overflow: hidden; transition: max-height .35s ease, padding .3s ease; }
.faq-a p { padding-bottom: 20px; font-size: 14px; color: var(--text-weak); }
.faq-item.active .faq-a { max-height: 320px; padding: 0 22px; }

/* ===================== CTA ===================== */
.cta-block {
  position: relative;
  border-radius: 26px;
  overflow: hidden;
  background: linear-gradient(145deg, rgba(16,26,61,.92), rgba(35,56,112,.88)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  padding: 58px 48px;
  color: #fff;
  text-align: center;
}
.cta-block h2 { font-size: clamp(26px, 3.6vw, 40px); font-weight: 900; margin-bottom: 14px; }
.cta-block p { font-size: 16px; color: rgba(255,255,255,.8); max-width: 620px; margin: 0 auto 28px; }
.cta-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.cta-note { margin-top: 20px; font-size: 13px; color: rgba(255,255,255,.55); }

/* ===================== 页脚 ===================== */
.site-footer { background: var(--primary-deep); color: rgba(255,255,255,.68); padding: 56px 0 30px; margin-top: 0; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; padding-bottom: 36px; border-bottom: 1px solid rgba(255,255,255,.1); }
.footer-brand { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; color: #fff; }
.footer-brand i { color: var(--accent); font-size: 22px; }
.footer-brand strong { font-size: 17px; font-weight: 800; }
.footer-col h4 { font-size: 15px; color: #fff; margin-bottom: 16px; font-weight: 700; }
.footer-col li { margin-bottom: 10px; font-size: 14px; }
.footer-col li a:hover { color: var(--accent); }
.footer-col li i { margin-right: 8px; color: var(--accent); }
.footer-bottom { padding-top: 22px; text-align: center; font-size: 13px; color: rgba(255,255,255,.4); }
.footer-bottom a { color: rgba(255,255,255,.5); }
.footer-bottom a:hover { color: var(--accent); }

/* ===================== 响应式 ===================== */
@media screen and (max-width: 1024px) {
  :root { --spacer: 72px; }
  .app-shell { grid-template-columns: 1fr; }
  .sidebar { display: none; }
  .mobile-header { display: flex; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { max-width: 520px; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .latest-wrap { grid-template-columns: 1fr; }
  .stats-band { grid-template-columns: repeat(2, 1fr); }
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
  .entry-grid { grid-template-columns: 1fr; }
  .info-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media screen and (max-width: 768px) {
  .container { padding: 0 20px; }
  .hero { padding: 56px 0 50px; }
  .feature-grid { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: 1fr 1fr; }
  .stats-band { padding: 36px 24px; grid-template-columns: 1fr 1fr; }
  .cta-block { padding: 44px 24px; }
  .footer-grid { grid-template-columns: 1fr; }
}
@media screen and (max-width: 520px) {
  :root { --spacer: 56px; }
  .hero h1 { font-size: 30px; }
  .hero-actions .btn { width: 100%; }
  .section-head h2 { font-size: 24px; }
  .steps-grid { grid-template-columns: 1fr; }
  .stats-band { grid-template-columns: 1fr; }
  .latest-item { flex-direction: column; }
  .latest-thumb { width: 100%; height: 150px; }
  .latest-meta { flex-wrap: wrap; gap: 8px; }
  .entry-card { min-height: 190px; }
  .cta-actions .btn { width: 100%; }
  .footer-bottom { text-align: center; }
}

/* roulang page: category1 */
/* ========== 设计变量 ========== */
:root{
  --primary:#6d5cff;
  --primary-dark:#5241e0;
  --primary-soft:rgba(109,92,255,.12);
  --accent:#f5a623;
  --accent-soft:rgba(245,166,35,.14);
  --bg:#0b1020;
  --bg-deep:#070b17;
  --card:#141b2e;
  --card-hover:#1a233a;
  --border:rgba(255,255,255,.08);
  --border-strong:rgba(255,255,255,.14);
  --text:#f1f5f9;
  --text-weak:#94a3b8;
  --white:#ffffff;
  --radius:16px;
  --radius-lg:24px;
  --radius-sm:10px;
  --shadow:0 20px 45px rgba(0,0,0,.35);
  --shadow-sm:0 6px 18px rgba(0,0,0,.25);
  --transition:.3s ease;
  --font:'PingFang SC','Microsoft YaHei','Helvetica Neue',Arial,sans-serif;
}
/* ========== 基础 Reset ========== */
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);
  background:var(--bg);
  color:var(--text);
  line-height:1.7;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
ul,ol{list-style:none}
button,input,textarea{font-family:inherit;font-size:inherit}
::selection{background:var(--primary);color:#fff}
img::selection{background:transparent}
/* ========== 通用容器 ========== */
.container{max-width:1200px;margin:0 auto;padding:0 32px}
/* ========== 按钮 ========== */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:13px 26px;border-radius:50px;font-weight:600;
  font-size:15px;line-height:1;border:1px solid transparent;
  cursor:pointer;transition:var(--transition);
}
.btn i{font-size:14px}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),var(--primary-dark));
  color:#fff;box-shadow:0 10px 28px rgba(109,92,255,.35);
}
.btn-primary:hover{
  transform:translateY(-2px);box-shadow:0 16px 34px rgba(109,92,255,.45);
}
.btn-outline{
  border-color:var(--border-strong);color:var(--text);background:rgba(255,255,255,.04);
}
.btn-outline:hover{
  border-color:var(--primary);background:var(--primary-soft);color:#fff;transform:translateY(-2px);
}
.btn-accent{
  background:linear-gradient(135deg,var(--accent),#e8890c);color:#0b1020;
  box-shadow:0 10px 28px rgba(245,166,35,.3);
}
.btn-accent:hover{transform:translateY(-2px);box-shadow:0 16px 36px rgba(245,166,35,.4)}
.btn-lg{padding:16px 34px;font-size:16px}
/* ========== 标签 / 徽章 ========== */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:7px 16px;border-radius:30px;font-size:13px;font-weight:500;
  background:var(--primary-soft);color:#b6aaff;border:1px solid rgba(109,92,255,.25);
}
.tag-accent{
  background:var(--accent-soft);color:#ffc86b;border-color:rgba(245,166,35,.3);
}
.badge{
  display:inline-flex;align-items:center;gap:5px;
  padding:4px 12px;border-radius:20px;font-size:12px;font-weight:600;
  background:var(--accent);color:#0b1020;
}
/* ========== 移动端顶部导航 ========== */
.mobile-header{
  display:none;
  position:fixed;top:0;left:0;right:0;z-index:200;
  height:60px;background:rgba(11,16,32,.96);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border);
  align-items:center;justify-content:space-between;
  padding:0 18px;
}
.mobile-brand{
  display:flex;align-items:center;gap:9px;font-weight:700;font-size:16px;color:#fff;
}
.mobile-brand i{color:var(--accent)}
.mobile-toggle{
  width:40px;height:40px;border-radius:10px;border:1px solid var(--border);
  background:rgba(255,255,255,.04);color:#fff;font-size:17px;
  display:inline-flex;align-items:center;justify-content:center;cursor:pointer;
}
.mobile-nav{
  display:none;
  position:fixed;top:60px;left:0;right:0;z-index:199;
  background:var(--bg-deep);border-bottom:1px solid var(--border);
  padding:10px 18px 16px;
}
.mobile-nav a{
  display:flex;align-items:center;gap:12px;
  padding:13px 16px;border-radius:12px;color:var(--text-weak);
  font-size:15px;font-weight:500;transition:var(--transition);
  border:1px solid transparent;
}
.mobile-nav a i{width:20px;text-align:center;color:var(--text-weak)}
.mobile-nav a.is-active{
  background:var(--primary-soft);color:#b6aaff;border-color:rgba(109,92,255,.2);
}
.mobile-nav a:hover{color:#fff;background:rgba(255,255,255,.05)}
.mobile-nav.show{display:block}
/* ========== 应用外壳 ========== */
.app-shell{display:flex;min-height:100vh}
/* ========== 左侧导航 ========== */
.side-nav{
  width:260px;flex-shrink:0;
  position:fixed;left:0;top:0;bottom:0;z-index:100;
  background:linear-gradient(180deg,#0e1426 0%,var(--bg-deep) 100%);
  border-right:1px solid var(--border);
  display:flex;flex-direction:column;
  padding:30px 20px;
}
.side-nav-brand{
  display:flex;align-items:center;gap:12px;
  padding:6px 8px 24px;margin-bottom:18px;
  border-bottom:1px solid var(--border);
}
.side-nav-brand i{
  font-size:24px;color:var(--accent);
  background:var(--accent-soft);width:46px;height:46px;
  border-radius:14px;display:flex;align-items:center;justify-content:center;
}
.side-nav-brand strong{
  font-size:16px;font-weight:700;color:#fff;line-height:1.35;
}
.side-nav nav{
  display:flex;flex-direction:column;gap:6px;flex:1;
}
.side-nav nav a{
  display:flex;align-items:center;gap:14px;
  padding:14px 16px;border-radius:12px;
  color:var(--text-weak);font-size:15px;font-weight:500;
  transition:var(--transition);position:relative;
  border:1px solid transparent;
}
.side-nav nav a i{width:20px;text-align:center;font-size:15px}
.side-nav nav a:hover{
  color:#fff;background:rgba(255,255,255,.05);
}
.side-nav nav a.is-active{
  color:#fff;background:var(--primary-soft);
  border-color:rgba(109,92,255,.22);
}
.side-nav nav a.is-active::before{
  content:'';position:absolute;left:-1px;top:50%;
  transform:translateY(-50%);
  width:3px;height:24px;border-radius:3px;
  background:var(--primary);
}
.side-nav nav a.is-active i{color:var(--primary)}
.side-nav-foot{
  margin-top:30px;padding:18px 12px 6px;
  border-top:1px solid var(--border);
}
.side-nav-foot p{
  font-size:12px;color:var(--text-weak);line-height:1.6;
}
.side-nav-foot a{color:#8b7bff;font-weight:500}
/* ========== 主内容区 ========== */
.main-area{
  flex:1;margin-left:260px;
  min-width:0;display:flex;flex-direction:column;
}
/* ========== 页面 Banner ========== */
.page-hero{
  position:relative;
  background:linear-gradient(135deg,rgba(11,16,32,.88) 0%,rgba(30,27,75,.72) 60%,rgba(11,16,32,.82) 100%),
    url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  padding:110px 40px 100px;
  border-bottom:1px solid var(--border);
}
.page-hero .container{max-width:1200px}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--accent-soft);color:#ffc86b;
  border:1px solid rgba(245,166,35,.28);
  padding:8px 18px;border-radius:30px;
  font-size:14px;font-weight:600;
  margin-bottom:22px;
}
.hero-title{
  font-size:46px;font-weight:800;color:#fff;
  line-height:1.2;letter-spacing:-1px;
  max-width:680px;margin-bottom:18px;
}
.hero-title span{color:var(--accent)}
.hero-subtitle{
  font-size:17px;color:var(--text-weak);line-height:1.8;
  max-width:620px;margin-bottom:32px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
/* ========== 板块通用 ========== */
.section{padding:76px 0}
.section-head{margin-bottom:48px;max-width:720px}
.section-tag{margin-bottom:14px}
.section-title{
  font-size:34px;font-weight:800;color:#fff;line-height:1.25;
  margin-bottom:14px;letter-spacing:-.5px;
}
.section-title span{color:var(--accent)}
.section-subtitle{
  font-size:16px;color:var(--text-weak);line-height:1.8;
}
.section-center{text-align:center;margin-left:auto;margin-right:auto}
/* ========== 分类概览 ========== */
.intro-section{background:var(--bg)}
.intro-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
}
.intro-card{
  background:var(--card);border:1px solid var(--border);
  border-radius:var(--radius-lg);padding:32px 28px;
  transition:var(--transition);
}
.intro-card:hover{
  background:var(--card-hover);transform:translateY(-6px);
  border-color:rgba(109,92,255,.35);box-shadow:var(--shadow);
}
.intro-icon{
  width:54px;height:54px;border-radius:16px;
  display:flex;align-items:center;justify-content:center;
  font-size:22px;margin-bottom:20px;
}
.intro-icon.purple{background:var(--primary-soft);color:#b6aaff}
.intro-icon.gold{background:var(--accent-soft);color:#ffc86b}
.intro-icon.blue{background:rgba(56,189,248,.12);color:#38bdf8}
.intro-card h3{font-size:19px;font-weight:700;color:#fff;margin-bottom:10px}
.intro-card p{font-size:14px;color:var(--text-weak);line-height:1.75}
/* ========== 流程步骤 ========== */
.steps-section{
  background:var(--bg-deep);
  position:relative;
  background-image:radial-gradient(circle at 20% 20%,rgba(109,92,255,.12),transparent 50%);
}
.steps-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:22px;
}
.step-item{
  background:var(--card);border-radius:var(--radius-lg);
  padding:34px 26px 30px;border:1px solid var(--border);
  position:relative;transition:var(--transition);
}
.step-item:hover{
  transform:translateY(-5px);border-color:var(--border-strong);
  box-shadow:var(--shadow-sm);
}
.step-num{
  width:44px;height:44px;border-radius:12px;
  background:linear-gradient(135deg,var(--primary),var(--primary-dark));
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:18px;font-weight:800;margin-bottom:18px;
}
.step-item:nth-child(2) .step-num{background:linear-gradient(135deg,var(--accent),#e8890c);color:#0b1020}
.step-item:nth-child(3) .step-num{background:linear-gradient(135deg,#38bdf8,#0284c7)}
.step-item:nth-child(4) .step-num{background:linear-gradient(135deg,#34d399,#059669)}
.step-item h3{font-size:17px;font-weight:700;color:#fff;margin-bottom:8px}
.step-item p{font-size:14px;color:var(--text-weak);line-height:1.7}
/* ========== 内容卡片 ========== */
.content-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:26px;
}
.content-card{
  background:var(--card);border-radius:var(--radius-lg);
  overflow:hidden;border:1px solid var(--border);
  transition:var(--transition);display:flex;flex-direction:column;
}
.content-card:hover{
  transform:translateY(-8px);box-shadow:var(--shadow);
  border-color:rgba(109,92,255,.3);
}
.card-cover{position:relative;overflow:hidden;aspect-ratio:16/9}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.content-card:hover .card-cover img{transform:scale(1.08)}
.card-cover::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 45%,rgba(7,11,23,.5));
}
.card-body{padding:26px 26px 28px;display:flex;flex-direction:column;flex:1}
.card-body .tag{align-self:flex-start;margin-bottom:14px}
.card-body h3{font-size:19px;font-weight:700;color:#fff;margin-bottom:10px;line-height:1.4}
.card-body p{font-size:14px;color:var(--text-weak);line-height:1.75;margin-bottom:18px;flex:1}
.card-meta{
  display:flex;align-items:center;justify-content:space-between;
  padding-top:16px;border-top:1px solid var(--border);
  font-size:13px;color:var(--text-weak);
}
.card-link{color:var(--primary);font-weight:600;font-size:14px;transition:var(--transition)}
.card-link:hover{color:#8b7bff}
/* ========== 数据统计 ========== */
.stats-section{
  background:linear-gradient(135deg,rgba(11,16,32,.9),rgba(30,27,75,.75)),
    url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  border-top:1px solid var(--border);
  border-bottom:1px solid var(--border);
}
.stats-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:26px;
}
.stat-item{
  background:rgba(255,255,255,.05);border:1px solid var(--border);
  border-radius:var(--radius-lg);padding:32px 20px;text-align:center;
  backdrop-filter:blur(8px);transition:var(--transition);
}
.stat-item:hover{
  background:rgba(255,255,255,.08);transform:translateY(-4px);
  border-color:var(--border-strong);
}
.stat-num{
  font-size:42px;font-weight:800;color:var(--accent);
  line-height:1.1;margin-bottom:8px;
}
.stat-item:last-child .stat-num{color:#38bdf8}
.stat-label{font-size:14px;color:var(--text-weak);font-weight:500}
/* ========== FAQ ========== */
.faq-section{background:var(--bg)}
.accordion{
  max-width:880px;margin:0 auto;
}
.accordion-item{
  background:var(--card);border:1px solid var(--border);
  border-radius:var(--radius);margin-bottom:16px;overflow:hidden;
  transition:var(--transition);
}
.accordion-item:hover{border-color:var(--border-strong)}
.accordion-title{
  display:flex;align-items:center;justify-content:space-between;
  padding:22px 26px;cursor:pointer;font-weight:600;color:#fff;
  font-size:16px;transition:var(--transition);
}
.accordion-title:hover{color:var(--accent)}
.accordion-title i{
  font-size:15px;color:var(--text-weak);transition:transform .3s;
}
.accordion-item.is-active .accordion-title i{
  transform:rotate(180deg);color:var(--accent);
}
.accordion-content{
  max-height:0;overflow:hidden;
  transition:max-height .35s ease;
}
.accordion-content-inner{
  padding:0 26px 24px;color:var(--text-weak);
  font-size:15px;line-height:1.8;
}
/* ========== CTA ========== */
.cta-section{
  padding:90px 0;
  background:linear-gradient(135deg,rgba(109,92,255,.16),rgba(245,166,35,.08)),
    url('/assets/images/backpic/back-3.png') center/cover no-repeat;
  border-top:1px solid var(--border);
}
.cta-box{
  background:rgba(11,16,32,.82);backdrop-filter:blur(12px);
  border:1px solid var(--border-strong);border-radius:28px;
  padding:56px 48px;text-align:center;position:relative;
  overflow:hidden;
}
.cta-box::before{
  content:'';position:absolute;top:-80px;right:-80px;width:200px;height:200px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(109,92,255,.25),transparent 70%);
}
.cta-box h2{
  font-size:32px;font-weight:800;color:#fff;margin-bottom:16px;
  position:relative;
}
.cta-box p{
  font-size:16px;color:var(--text-weak);max-width:560px;margin:0 auto 32px;
  position:relative;line-height:1.8;
}
.cta-box .btn{position:relative}
.cta-actions{
  display:flex;flex-wrap:wrap;gap:14px;justify-content:center;
  position:relative;
}
/* ========== 页脚 ========== */
.site-footer{
  background:var(--bg-deep);
  border-top:1px solid var(--border);
  padding:60px 0 24px;
}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;
  padding-bottom:36px;border-bottom:1px solid var(--border);
  margin-bottom:24px;
}
.footer-brand{
  display:flex;align-items:center;gap:10px;
  font-size:17px;font-weight:700;color:#fff;margin-bottom:14px;
}
.footer-brand i{color:var(--accent);font-size:20px}
.footer-col h4{
  font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;
}
.footer-col ul li{
  font-size:14px;color:var(--text-weak);
  padding:6px 0;display:flex;align-items:center;gap:8px;
}
.footer-col ul li a{
  display:flex;align-items:center;gap:6px;
  transition:var(--transition);color:var(--text-weak);
}
.footer-col ul li a:hover{color:var(--primary)}
.footer-col ul li i{color:var(--primary);font-size:12px}
.footer-col ul li .fa-newspaper,.footer-col ul li .fa-book,.footer-col ul li .fa-headset{
  color:var(--accent);font-size:14px;
}
.footer-bottom{
  display:flex;justify-content:space-between;align-items:center;
  flex-wrap:wrap;gap:10px;
  font-size:13px;color:var(--text-weak);
}
.footer-bottom a{color:var(--text-weak);transition:var(--transition)}
.footer-bottom a:hover{color:var(--accent)}
/* ========== 响应式 ========== */
@media(max-width:1024px){
  .container{padding:0 24px}
  .page-hero{padding:100px 28px 80px}
  .hero-title{font-size:38px}
  .steps-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
  /* 移动端顶部导航 */
  .mobile-header{display:flex}
  .side-nav{display:none}
  .main-area{margin-left:0}
  /* 修复移动端主内容顶部间距 */
  .page-hero{padding-top:100px}
  .container{padding:0 20px}
  .section{padding:56px 0}
  .section-title{font-size:28px}
  .hero-title{font-size:32px}
  .intro-grid,.content-grid{grid-template-columns:1fr 1fr;gap:18px}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .cta-box{padding:40px 24px}
  .cta-box h2{font-size:26px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;text-align:center}
}
@media(max-width:520px){
  .container{padding:0 16px}
  .page-hero{padding:92px 16px 60px}
  .hero-title{font-size:26px}
  .hero-subtitle{font-size:14px}
  .hero-actions .btn{width:100%;justify-content:center}
  .intro-grid,.content-grid,.steps-grid,.stats-grid{grid-template-columns:1fr}
  .section-title{font-size:24px}
  .section-subtitle{font-size:14px}
  .cta-box{padding:34px 18px;border-radius:20px}
  .cta-box h2{font-size:22px}
  .cta-actions .btn{width:100%;justify-content:center}
  .accordion-title{padding:18px 16px;font-size:14px}
  .accordion-content-inner{padding:0 16px 18px;font-size:14px}
  .footer-bottom{font-size:12px}
  .footer-col ul li{font-size:13px}
}
/* ========== 可访问性 ========== */
a:focus-visible,button:focus-visible,.accordion-title:focus-visible{
  outline:2px solid var(--accent);outline-offset:3px;
}

/* roulang page: article */
:root {
  --primary: #1e3a5f;
  --primary-dark: #0f1b2d;
  --accent: #f0b90b;
  --accent-dark: #d4a107;
  --bg: #f5f7fb;
  --card-bg: #ffffff;
  --text: #16213a;
  --text-muted: #6b7b8d;
  --border: #e6eaf0;
  --radius-lg: 18px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --shadow-sm: 0 2px 10px rgba(22, 33, 58, 0.06);
  --shadow-md: 0 10px 30px rgba(22, 33, 58, 0.1);
  --shadow-lg: 0 18px 50px rgba(22, 33, 58, 0.16);
  --sidebar-w: 264px;
  --space-section: 90px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "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 { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
h1, h2, h3, h4, h5, h6 { font-family: inherit; color: inherit; line-height: 1.3; margin: 0 0 0.35em; }
p { margin: 0 0 1em; }
button, input, select, textarea { font-family: inherit; }
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 30px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1;
  border: 2px solid transparent;
  cursor: pointer;
  transition: all 0.3s ease;
  text-align: center;
}
.btn:focus-visible, a:focus-visible, button:focus-visible, summary:focus-visible {
  outline: 3px solid rgba(240, 185, 11, 0.5);
  outline-offset: 3px;
}
.btn-gold {
  background: var(--accent);
  color: var(--primary-dark);
  border-color: var(--accent);
}
.btn-gold:hover {
  background: var(--accent-dark);
  border-color: var(--accent-dark);
  color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(240, 185, 11, 0.32);
}
.btn-gold:active {
  transform: translateY(0);
  box-shadow: none;
}
.btn-outline {
  background: transparent;
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.4);
}
.btn-outline:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: #ffffff;
  transform: translateY(-2px);
}
.btn-outline:active {
  transform: translateY(0);
}

.app-shell { display: flex; min-height: 100vh; }
.side-nav-wrap {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: var(--sidebar-w);
  z-index: 200;
  background: linear-gradient(180deg, #0a1524 0%, #162b44 100%);
  box-shadow: 2px 0 20px rgba(0, 0, 0, 0.16);
  transition: transform 0.3s ease;
}
.side-nav-inner {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 26px 18px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  color: #ffffff;
  font-weight: 800;
  font-size: 17px;
  letter-spacing: 0.4px;
  padding: 10px 10px 24px;
  margin-bottom: 22px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  transition: opacity 0.25s ease;
}
.nav-logo:hover { opacity: 0.88; }
.nav-logo i {
  font-size: 22px;
  color: var(--accent);
  flex-shrink: 0;
}
.side-nav { display: flex; flex-direction: column; gap: 6px; }
.side-nav a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-radius: 12px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 15px;
  font-weight: 500;
  transition: all 0.22s ease;
}
.side-nav a i {
  width: 22px;
  text-align: center;
  font-size: 15px;
  color: rgba(255, 255, 255, 0.6);
  transition: color 0.22s ease;
}
.side-nav a:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #ffffff;
  transform: translateX(4px);
}
.side-nav a.is-active {
  background: rgba(240, 185, 11, 0.15);
  color: var(--accent);
  font-weight: 700;
}
.side-nav a.is-active i { color: var(--accent); }
.content-wrap { margin-left: var(--sidebar-w); flex: 1; min-width: 0; }

.mobile-topbar {
  display: none;
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  height: 64px;
  align-items: center;
  justify-content: space-between;
  background: var(--primary-dark);
  padding: 0 20px;
  z-index: 300;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}
.mobile-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #ffffff;
  font-weight: 700;
  font-size: 16px;
}
.mobile-logo i { color: var(--accent); font-size: 18px; }
.menu-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.12);
  border: none;
  border-radius: 10px;
  color: #ffffff;
  font-size: 16px;
  cursor: pointer;
  transition: background 0.2s ease;
}
.menu-toggle:hover { background: rgba(255, 255, 255, 0.22); }
.nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(10, 21, 36, 0.45);
  z-index: 90;
  backdrop-filter: blur(2px);
}

.article-page { padding-top: 44px; }
.article-hero {
  position: relative;
  color: #ffffff;
  padding: 100px 0 118px;
  background-color: var(--primary-dark);
  background-image: linear-gradient(112deg, rgba(10, 21, 36, 0.96) 0%, rgba(30, 58, 95, 0.82) 58%, rgba(41, 77, 118, 0.62) 100%), url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center;
}
.article-hero .grid-container { position: relative; z-index: 2; }
.breadcrumb {
  display: flex;
  align-items: center;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.72);
  margin-bottom: 18px;
  letter-spacing: 0.4px;
}
.breadcrumb a { color: rgba(255, 255, 255, 0.72); transition: color 0.2s; }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb .sep { margin: 0 9px; opacity: 0.45; }
.article-badge {
  display: inline-block;
  background: rgba(240, 185, 11, 0.16);
  border: 1px solid rgba(240, 185, 11, 0.42);
  color: var(--accent);
  padding: 5px 16px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.4px;
  margin-bottom: 20px;
}
.article-hero h1 {
  font-size: clamp(28px, 4vw, 46px);
  line-height: 1.22;
  font-weight: 800;
  max-width: 860px;
  margin-bottom: 22px;
  letter-spacing: 0.2px;
}
.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.78);
}
.article-meta span { display: inline-flex; align-items: center; gap: 8px; }
.article-meta i { color: var(--accent); font-size: 13px; }

.article-container {
  position: relative;
  z-index: 5;
  margin-top: -46px;
}
.article-content {
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border);
  padding: 44px 48px 48px;
  max-width: 900px;
  margin: 0 auto;
}
.article-body {
  font-size: 16px;
  line-height: 1.85;
  color: #334155;
}
.article-body h2 {
  font-size: 24px;
  font-weight: 800;
  color: var(--text);
  margin: 32px 0 14px;
}
.article-body h3 {
  font-size: 19px;
  font-weight: 700;
  color: var(--text);
  margin: 26px 0 12px;
}
.article-body p { margin-bottom: 18px; }
.article-body a { color: var(--accent-dark); text-decoration: underline; text-underline-offset: 3px; }
.article-body ul, .article-body ol { margin: 0 0 22px 22px; padding-left: 8px; }
.article-body ul li { position: relative; padding-left: 22px; margin-bottom: 8px; }
.article-body ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
}
.article-body ol li { padding-left: 6px; margin-bottom: 8px; }
.article-body blockquote {
  border-left: 4px solid var(--accent);
  background: var(--bg);
  padding: 16px 22px;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  color: var(--text-muted);
  font-style: italic;
  margin: 24px 0;
}
.article-body img {
  border-radius: var(--radius-md);
  margin: 20px 0;
  height: auto;
}
.article-footer-note {
  margin-top: 42px;
  padding: 16px 20px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
}
.article-footer-note p { margin: 0; font-size: 14px; color: var(--text-muted); }

.empty-article {
  text-align: center;
  padding: 46px 24px 30px;
}
.empty-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--bg);
  font-size: 26px;
  color: var(--accent-dark);
  border: 1px solid var(--border);
}
.empty-article h3 { font-size: 22px; font-weight: 800; margin-bottom: 10px; }
.empty-article p { color: var(--text-muted); font-size: 15px; margin-bottom: 24px; }

.related-section { padding: var(--space-section) 0 30px; }
.section-head { text-align: center; margin-bottom: 44px; }
.section-head h2 { font-size: 32px; font-weight: 800; letter-spacing: 0.2px; }
.section-head p { color: var(--text-muted); font-size: 15px; margin-top: 10px; }
.related-section .cell { margin-bottom: 28px; }
.related-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
}
.related-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(240, 185, 11, 0.5);
}
.related-card-img {
  height: 190px;
  overflow: hidden;
  background: var(--primary-dark);
}
.related-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.related-card:hover .related-card-img img { transform: scale(1.04); }
.related-card-body {
  flex: 1;
  padding: 20px 22px 24px;
  display: flex;
  flex-direction: column;
}
.related-card-body .badge {
  display: inline-block;
  align-self: flex-start;
  font-size: 12px;
  font-weight: 600;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 3px 12px;
  border-radius: 999px;
  margin-bottom: 12px;
}
.related-card-body h3 { font-size: 18px; font-weight: 700; margin-bottom: 8px; color: var(--text); }
.related-card-body p { font-size: 14px; line-height: 1.7; color: var(--text-muted); margin-bottom: 0; }

.faq-section {
  background: var(--card-bg);
  padding: var(--space-section) 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.faq-grid {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.faq-item {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: border-color 0.3s ease;
  overflow: hidden;
}
.faq-item[open] {
  border-color: rgba(240, 185, 11, 0.35);
  box-shadow: var(--shadow-sm);
}
.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 18px 22px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  list-style: none;
  color: var(--text);
  transition: color 0.2s;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  content: "\f078";
  font-size: 12px;
  color: var(--accent-dark);
  transition: transform 0.3s ease;
  flex-shrink: 0;
}
.faq-item[open] summary::after { transform: rotate(180deg); }
.faq-item p {
  padding: 4px 22px 20px;
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.75;
}

.cta-section { padding: var(--space-section) 0 70px; }
.cta-card {
  position: relative;
  overflow: hidden;
  background: linear-gradient(120deg, #0f1b2d 0%, #1e3a5f 100%);
  border-radius: 24px;
  padding: 62px 40px;
  text-align: center;
  color: #ffffff;
  box-shadow: var(--shadow-lg);
}
.cta-card::before {
  content: "";
  position: absolute;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: rgba(240, 185, 11, 0.14);
  top: -120px;
  right: 8%;
}
.cta-card::after {
  content: "";
  position: absolute;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  bottom: -90px;
  left: 6%;
}
.cta-card h2 { font-size: 30px; font-weight: 800; margin-bottom: 12px; position: relative; z-index: 2; }
.cta-card p { color: rgba(255, 255, 255, 0.82); margin-bottom: 30px; position: relative; z-index: 2; }
.cta-actions {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  position: relative;
  z-index: 2;
}

.site-footer { background: var(--primary-dark); color: #dce4ee; padding: 64px 0 0; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 44px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  margin-bottom: 26px;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 12px;
}
.footer-brand i { color: var(--accent); font-size: 22px; }
.footer-col h4 {
  color: var(--accent);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 1px;
  margin-bottom: 16px;
}
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 10px; font-size: 14px; display: flex; align-items: center; gap: 8px; }
.footer-col a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #dce4ee;
  transition: all 0.25s ease;
}
.footer-col a:hover { color: var(--accent); padding-left: 6px; }
.footer-col i { font-size: 12px; opacity: 0.8; }
.footer-bottom {
  text-align: center;
  padding-bottom: 26px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.55);
}
.footer-bottom a { color: rgba(255, 255, 255, 0.55); transition: color 0.25s ease; }
.footer-bottom a:hover { color: var(--accent); }

@media (max-width: 1024px) {
  :root { --sidebar-w: 0px; }
  .mobile-topbar { display: flex; }
  .side-nav-wrap {
    top: 64px;
    bottom: 0;
    height: auto;
    width: 264px;
    transform: translateX(-105%);
  }
  .content-wrap { margin-left: 0; }
  body.nav-open { overflow: hidden; }
  body.nav-open .side-nav-wrap { transform: translateX(0); }
  body.nav-open .nav-overlay { display: block; }
  .article-page { padding-top: 0; }
}
@media (max-width: 768px) {
  :root { --space-section: 60px; }
  .article-hero { padding: 70px 0 90px; }
  .article-hero h1 { font-size: 27px; }
  .article-container { margin-top: -34px; }
  .article-content { padding: 28px 20px 32px; border-radius: var(--radius-md); }
  .article-body { font-size: 15px; }
  .article-body h2 { font-size: 21px; }
  .related-card-img { height: 160px; }
  .section-head h2 { font-size: 26px; }
  .cta-card { padding: 46px 24px; }
  .cta-card h2 { font-size: 24px; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .footer-grid > div:first-child { max-width: 100%; }
}
@media (max-width: 520px) {
  .mobile-topbar { height: 58px; }
  .article-meta { gap: 14px; font-size: 13px; }
  .article-badge { font-size: 12px; }
  .cta-actions { flex-direction: column; align-items: stretch; }
  .cta-actions .btn { justify-content: center; }
  .cta-section { padding: 56px 0 50px; }
  .related-section { padding: 60px 0 20px; }
  .faq-item summary { padding: 16px 18px; font-size: 14px; }
  .faq-item p { padding: 4px 18px 18px; font-size: 13px; }
}

/* roulang page: category2 */
/* ========== 设计变量 ========== */
:root {
  --primary: #0b1a33;
  --primary-light: #10233f;
  --secondary: #e89b2d;
  --accent: #f5b84f;
  --bg: #f5f7fb;
  --card-bg: #ffffff;
  --text: #1e293b;
  --text-soft: #64748b;
  --muted: #94a3b8;
  --border: #e8ecf3;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 22px;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 12px 28px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 18px 40px rgba(0, 0, 0, 0.12);
  --transition: all 0.3s ease;
  --sidebar-w: 264px;
  --section-pad: 72px 0;
}

/* ========== Reset / Base ========== */
*,
*::before,
*::after {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a {
  color: inherit;
  text-decoration: none;
}
img {
  max-width: 100%;
  display: block;
}
button,
input {
  font-family: inherit;
  border: none;
  outline: none;
}
ul,
ol {
  margin: 0;
  padding: 0;
}
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ========== 侧边导航 ========== */
.site-layout {
  display: flex;
  min-height: 100vh;
}
.side-nav {
  position: fixed;
  left: 0;
  top: 0;
  bottom: 0;
  width: var(--sidebar-w);
  background: linear-gradient(180deg, #081226 0%, var(--primary) 70%, var(--primary-light) 100%);
  z-index: 1000;
  display: flex;
  flex-direction: column;
  padding: 30px 20px 22px;
  box-shadow: 2px 0 24px rgba(0, 0, 0, 0.08);
}
.side-brand {
  margin-bottom: 38px;
  padding: 0 6px;
}
.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.35;
}
.brand-logo i {
  font-size: 22px;
  color: var(--accent);
  background: rgba(255, 255, 255, 0.1);
  width: 46px;
  height: 46px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.side-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}
.side-links a {
  display: flex;
  align-items: center;
  gap: 12px;
  color: rgba(255, 255, 255, 0.68);
  font-size: 15px;
  font-weight: 500;
  padding: 13px 16px;
  border-radius: 14px;
  transition: var(--transition);
  white-space: nowrap;
}
.side-links a i {
  width: 20px;
  text-align: center;
  font-size: 15px;
  flex-shrink: 0;
}
.side-links a:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  transform: translateX(4px);
}
.side-links a.is-active {
  background: linear-gradient(135deg, var(--accent) 0%, var(--secondary) 100%);
  color: var(--primary);
  font-weight: 700;
  box-shadow: 0 8px 22px rgba(245, 184, 79, 0.28);
}
.side-foot {
  margin-top: 20px;
  padding: 16px;
  background: rgba(255, 255, 255, 0.07);
  border-radius: 16px;
  text-align: center;
  border: 1px solid rgba(255, 255, 255, 0.06);
}
.side-foot a {
  color: var(--accent);
  font-size: 14px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition);
}
.side-foot a:hover {
  gap: 12px;
}

/* ========== 主内容区 ========== */
.main-area {
  flex: 1;
  margin-left: var(--sidebar-w);
  min-width: 0;
  display: flex;
  flex-direction: column;
}
.main-area main {
  flex: 1;
}

/* ========== Hero / Banner ========== */
.category-hero {
  position: relative;
  color: #fff;
  padding: 88px 0 76px;
  background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
}
.category-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, rgba(8, 18, 36, 0.94) 0%, rgba(11, 26, 51, 0.82) 45%, rgba(16, 35, 65, 0.52) 100%);
}
.category-hero .container {
  position: relative;
  z-index: 2;
}
.breadcrumb {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 0;
  margin: 0 0 32px;
  font-size: 13px;
}
.breadcrumb li {
  display: flex;
  align-items: center;
  gap: 8px;
  color: rgba(255, 255, 255, 0.6);
}
.breadcrumb li a {
  color: rgba(255, 255, 255, 0.7);
  transition: color 0.3s;
}
.breadcrumb li a:hover {
  color: #fff;
}
.breadcrumb li + li::before {
  content: '\f105';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  color: rgba(255, 255, 255, 0.35);
}
.breadcrumb li span {
  color: var(--accent);
  font-weight: 600;
}
.category-hero h1 {
  font-size: 42px;
  font-weight: 800;
  margin: 0 0 16px;
  letter-spacing: -1px;
  line-height: 1.22;
  max-width: 720px;
}
.category-hero .hero-desc {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.84);
  max-width: 680px;
  line-height: 1.8;
  margin: 0 0 28px;
}
.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 32px;
}
.hero-tags span {
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  padding: 6px 16px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.92);
  display: inline-flex;
  align-items: center;
  gap: 7px;
  backdrop-filter: blur(4px);
}
.hero-tags span i {
  color: var(--accent);
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

/* ========== 按钮 ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
}
.btn:focus-visible {
  outline: 3px solid rgba(245, 184, 79, 0.5);
  outline-offset: 2px;
}
.btn-gold-primary {
  background: linear-gradient(135deg, var(--accent) 0%, var(--secondary) 100%);
  color: var(--primary);
  box-shadow: 0 8px 24px rgba(245, 184, 79, 0.3);
}
.btn-gold-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 32px rgba(245, 184, 79, 0.4);
}
.btn-ghost {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.4);
  backdrop-filter: blur(4px);
}
.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.22);
  border-color: #fff;
}
.btn-dark-solid {
  background: var(--primary);
  color: #fff;
}
.btn-dark-solid:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 24px rgba(11, 26, 51, 0.22);
}
.btn-transparent-dark {
  background: transparent;
  border: 2px solid var(--primary);
  color: var(--primary);
}
.btn-transparent-dark:hover {
  background: rgba(11, 26, 51, 0.08);
}

/* ========== 通用板块 ========== */
.section-block {
  padding: var(--section-pad);
}
.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 48px;
}
.section-head h2 {
  font-size: 30px;
  font-weight: 800;
  color: var(--primary);
  margin: 0 0 8px;
  letter-spacing: -0.5px;
  line-height: 1.3;
}
.section-head p {
  font-size: 15px;
  color: var(--text-soft);
  margin: 0;
  line-height: 1.7;
}
.section-head .head-line {
  width: 56px;
  height: 4px;
  background: linear-gradient(90deg, var(--accent), var(--secondary));
  border-radius: 999px;
  margin: 14px auto 0;
}

/* ========== 数据统计 ========== */
.stats-section {
  padding: 60px 0;
  background: #fff;
  border-bottom: 1px solid var(--border);
}
.stat-item {
  background: #f8fafc;
  border-radius: 20px;
  padding: 30px 20px;
  text-align: center;
  border: 1px solid var(--border);
  transition: var(--transition);
  height: 100%;
}
.stat-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--accent);
}
.stat-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 14px;
  background: linear-gradient(135deg, var(--accent), var(--secondary));
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: var(--primary);
}
.stat-num {
  font-size: 34px;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.2;
  margin-bottom: 4px;
  letter-spacing: -1px;
}
.stat-label {
  font-size: 14px;
  color: var(--text-soft);
  font-weight: 500;
}

/* ========== 玩法分类标签 ========== */
.tag-section {
  background: var(--bg);
}
.category-tag-card {
  background: #fff;
  border-radius: 20px;
  padding: 30px 26px;
  border: 1px solid var(--border);
  height: 100%;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.category-tag-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--accent), var(--secondary));
  opacity: 0;
  transition: opacity 0.3s;
}
.category-tag-card:hover::before {
  opacity: 1;
}
.category-tag-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: rgba(232, 155, 45, 0.4);
}
.tag-icon {
  width: 52px;
  height: 52px;
  background: #fff7eb;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: var(--secondary);
  margin-bottom: 18px;
}
.category-tag-card h3 {
  font-size: 17px;
  font-weight: 700;
  margin: 0 0 8px;
  color: var(--text);
}
.category-tag-card p {
  font-size: 13px;
  color: var(--text-soft);
  margin: 0;
  line-height: 1.7;
}
.tag-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 16px;
  color: var(--secondary);
  font-size: 13px;
  font-weight: 600;
  transition: gap 0.3s;
}
.tag-link:hover {
  gap: 10px;
}

/* ========== 攻略卡片 ========== */
.strategy-section {
  background: #fff;
}
.strategy-card {
  background: #fff;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  height: 100%;
  display: flex;
  flex-direction: column;
}
.strategy-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(232, 155, 45, 0.35);
}
.card-cover {
  position: relative;
  height: 185px;
  overflow: hidden;
  background: #f1f5f9;
}
.card-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.strategy-card:hover .card-cover img {
  transform: scale(1.05);
}
.cover-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(255, 255, 255, 0.94);
  color: var(--primary);
  font-size: 12px;
  font-weight: 700;
  padding: 5px 12px;
  border-radius: 999px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
  backdrop-filter: blur(4px);
}
.card-body {
  padding: 22px 22px 18px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.card-body h3 {
  font-size: 17px;
  font-weight: 700;
  margin: 0 0 8px;
  color: var(--text);
  line-height: 1.5;
}
.card-body p {
  font-size: 13px;
  color: var(--text-soft);
  margin: 0 0 16px;
  flex: 1;
  line-height: 1.7;
}
.card-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: var(--muted);
  border-top: 1px solid #f1f5f9;
  padding-top: 12px;
}
.card-meta span {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}
.card-meta i {
  color: var(--secondary);
  font-size: 12px;
}

/* ========== 排行区 ========== */
.rank-section {
  background: var(--bg);
}
.rank-card {
  display: flex;
  align-items: center;
  gap: 22px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 22px 26px;
  margin-bottom: 14px;
  transition: var(--transition);
}
.rank-card:hover {
  background: #fffdf8;
  border-color: var(--accent);
  box-shadow: 0 12px 28px rgba(245, 184, 79, 0.12);
  transform: translateX(4px);
}
.rank-index {
  font-size: 30px;
  font-weight: 800;
  color: #cbd5e1;
  min-width: 52px;
  text-align: center;
  font-style: italic;
}
.rank-card:nth-child(1) .rank-index {
  color: var(--secondary);
}
.rank-card:nth-child(2) .rank-index {
  color: #64748b;
}
.rank-card:nth-child(3) .rank-index {
  color: #b08d57;
}
.rank-info {
  flex: 1;
}
.rank-info h3 {
  font-size: 16px;
  font-weight: 700;
  margin: 0 0 4px;
  color: var(--text);
}
.rank-info p {
  font-size: 13px;
  color: var(--text-soft);
  margin: 0;
}
.rank-badge {
  font-size: 12px;
  font-weight: 600;
  background: #fff7eb;
  color: var(--secondary);
  padding: 5px 14px;
  border-radius: 999px;
  white-space: nowrap;
  border: 1px solid rgba(232, 155, 45, 0.15);
}

/* ========== 流程区 ========== */
.steps-section {
  background: linear-gradient(160deg, #081226 0%, var(--primary) 55%, #0f2847 100%);
  color: #fff;
  padding: 84px 0;
}
.steps-section .section-head h2 {
  color: #fff;
}
.steps-section .section-head p {
  color: rgba(255, 255, 255, 0.66);
}
.steps-section .head-line {
  background: linear-gradient(90deg, var(--accent), var(--secondary));
}
.step-item {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 22px;
  padding: 34px 24px;
  text-align: center;
  height: 100%;
  transition: var(--transition);
  position: relative;
}
.step-item:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-4px);
  border-color: rgba(245, 184, 79, 0.3);
}
.step-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 16px;
  background: linear-gradient(135deg, var(--accent), var(--secondary));
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: var(--primary);
}
.step-tag {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--accent);
  background: rgba(255, 255, 255, 0.08);
  padding: 4px 14px;
  border-radius: 999px;
  margin-bottom: 12px;
}
.step-item h3 {
  font-size: 17px;
  font-weight: 700;
  margin: 0 0 8px;
}
.step-item p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
  margin: 0;
  line-height: 1.7;
}

/* ========== FAQ ========== */
.faq-section {
  background: #fff;
}
.faq-item {
  background: #f8fafc;
  border-radius: 18px;
  border: 1px solid var(--border);
  margin-bottom: 12px;
  overflow: hidden;
  transition: var(--transition);
}
.faq-item:hover {
  border-color: rgba(232, 155, 45, 0.3);
}
.faq-item summary {
  cursor: pointer;
  padding: 20px 24px;
  font-weight: 600;
  font-size: 15px;
  color: var(--text);
  position: relative;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 12px;
  transition: background 0.3s;
}
.faq-item summary::-webkit-details-marker {
  display: none;
}
.faq-item summary i {
  color: var(--secondary);
  font-size: 14px;
  width: 22px;
  text-align: center;
  flex-shrink: 0;
}
.faq-item summary::after {
  content: '\f107';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  margin-left: auto;
  color: var(--secondary);
  transition: transform 0.3s;
}
.faq-item[open] summary::after {
  transform: rotate(180deg);
}
.faq-item[open] summary {
  background: linear-gradient(90deg, #fff7eb, #fffdf8);
}
.faq-answer {
  padding: 0 24px 20px 58px;
  font-size: 14px;
  color: var(--text-soft);
  line-height: 1.8;
}

/* ========== CTA ========== */
.cta-section {
  background: linear-gradient(120deg, var(--accent), var(--secondary));
  padding: 64px 0;
}
.cta-box {
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
}
.cta-box h2 {
  color: var(--primary);
  font-size: 30px;
  font-weight: 800;
  margin: 0 0 10px;
  letter-spacing: -0.5px;
}
.cta-box p {
  color: rgba(11, 26, 51, 0.8);
  font-size: 16px;
  margin: 0 0 28px;
}
.cta-btn-group {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ========== 页脚 ========== */
.site-footer {
  background: #081226;
  color: rgba(255, 255, 255, 0.68);
  padding: 56px 0 24px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr;
  gap: 44px;
  margin-bottom: 36px;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 12px;
}
.footer-brand i {
  color: var(--accent);
  font-size: 22px;
}
.footer-col h4 {
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  margin: 0 0 14px;
}
.footer-col ul {
  list-style: none;
}
.footer-col ul li {
  margin-bottom: 10px;
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
  color: rgba(255, 255, 255, 0.68);
}
.footer-col ul a {
  color: rgba(255, 255, 255, 0.68);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color 0.3s;
}
.footer-col ul a:hover {
  color: var(--accent);
}
.footer-col ul a i {
  color: rgba(245, 184, 79, 0.7);
  font-size: 12px;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 22px;
  text-align: center;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.45);
}
.footer-bottom a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.3s;
}
.footer-bottom a:hover {
  color: #fff;
}

/* ========== 响应式 ========== */
@media (max-width: 1024px) {
  :root {
    --sidebar-w: 224px;
  }
  .category-hero {
    padding: 70px 0 60px;
  }
  .category-hero h1 {
    font-size: 36px;
  }
  .section-block {
    padding: 60px 0;
  }
  .footer-grid {
    gap: 28px;
  }
}

@media (max-width: 900px) {
  .site-layout {
    flex-direction: column;
  }
  .side-nav {
    position: sticky;
    top: 0;
    width: 100%;
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    gap: 8px 16px;
    box-shadow: 0 4px 18px rgba(0, 0, 0, 0.12);
  }
  .side-brand {
    margin-bottom: 0;
    padding: 0;
  }
  .brand-logo {
    font-size: 14px;
  }
  .brand-logo i {
    width: 38px;
    height: 38px;
    font-size: 18px;
  }
  .side-links {
    flex-direction: row;
    flex-wrap: nowrap;
    overflow-x: auto;
    width: 100%;
    gap: 4px;
    order: 3;
    padding-bottom: 2px;
    scrollbar-width: thin;
    scrollbar-color: rgba(255, 255, 255, 0.2) transparent;
  }
  .side-links a {
    white-space: nowrap;
    padding: 9px 14px;
    font-size: 13px;
    flex-shrink: 0;
  }
  .side-links a:hover {
    transform: none;
  }
  .side-foot {
    display: none;
  }
  .main-area {
    margin-left: 0;
  }
}

@media (max-width: 640px) {
  .container {
    padding: 0 18px;
  }
  .category-hero {
    padding: 48px 0 44px;
  }
  .category-hero h1 {
    font-size: 28px;
  }
  .category-hero .hero-desc {
    font-size: 14px;
  }
  .hero-tags {
    gap: 6px;
  }
  .hero-tags span {
    padding: 5px 12px;
    font-size: 12px;
  }
  .hero-actions {
    flex-direction: column;
    width: 100%;
  }
  .hero-actions .btn {
    justify-content: center;
    width: 100%;
  }
  .section-block {
    padding: 48px 0;
  }
  .section-head {
    margin-bottom: 34px;
  }
  .section-head h2 {
    font-size: 24px;
  }
  .stat-num {
    font-size: 27px;
  }
  .rank-card {
    flex-wrap: wrap;
    gap: 12px;
    padding: 18px 18px;
  }
  .rank-badge {
    margin-left: auto;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .cta-box h2 {
    font-size: 24px;
  }
  .cta-btn-group {
    flex-direction: column;
    width: 100%;
  }
  .cta-btn-group .btn {
    width: 100%;
  }
  .faq-answer {
    padding-left: 24px;
  }
  .card-cover {
    height: 170px;
  }
}