/* roulang page: index */
:root {
  --primary: #1a5cff;
  --primary-dark: #0f3fcc;
  --primary-light: #eaf0ff;
  --accent: #ff7a29;
  --accent-dark: #e8620a;
  --bg: #f4f6fb;
  --bg-white: #ffffff;
  --bg-deep: #0d1b2e;
  --text: #1b2b3f;
  --text-muted: #5c6b7a;
  --border: #e2e8f0;
  --radius: 14px;
  --radius-sm: 8px;
  --shadow: 0 10px 30px rgba(13,27,46,.08);
  --shadow-lg: 0 20px 50px rgba(13,27,46,.12);
  --transition: all .25s ease;
  --container: 1200px;
}

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

/* ===== Header / Nav ===== */
.site-header {
  background: #fff;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 12px rgba(13,27,46,.04);
}
.header-top { border-bottom: 1px solid #edf1f5; }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 76px; gap: 24px; }
.logo { display: flex; align-items: center; gap: 10px; }
.logo-main { font-size: 24px; font-weight: 800; color: var(--primary); letter-spacing: .5px; line-height: 1.2; }
.logo-sub { font-size: 12px; color: var(--accent); background: #fff3e8; border: 1px solid #ffd9b8; padding: 2px 8px; border-radius: 20px; font-weight: 600; }
.header-actions { display: flex; align-items: center; gap: 14px; }
.search-box { display: flex; align-items: center; background: var(--bg); border: 1px solid var(--border); border-radius: 40px; padding: 6px 6px 6px 16px; width: 280px; transition: var(--transition); }
.search-box:focus-within { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(26,92,255,.12); }
.search-box input { border: none; background: transparent; font-size: 14px; width: 100%; color: var(--text); }
.search-box button { background: var(--primary); color: #fff; border: none; border-radius: 30px; width: 32px; height: 32px; cursor: pointer; font-size: 14px; }
.header-btn { background: linear-gradient(135deg, var(--primary), #2f6bff); color: #fff; padding: 9px 22px; border-radius: 30px; font-size: 14px; font-weight: 600; box-shadow: 0 6px 18px rgba(26,92,255,.3); }
.header-btn:hover { transform: translateY(-2px); box-shadow: 0 10px 24px rgba(26,92,255,.38); color: #fff; }
.channel-nav { background: #fff; }
.channel-list { display: flex; align-items: center; gap: 4px; height: 48px; overflow-x: auto; scrollbar-width: none; }
.channel-list::-webkit-scrollbar { display: none; }
.channel-link { display: inline-flex; align-items: center; padding: 0 18px; height: 36px; font-size: 15px; font-weight: 500; color: var(--text); border-radius: 8px; transition: var(--transition); white-space: nowrap; }
.channel-link:hover { color: var(--primary); background: var(--primary-light); }
.channel-link.active { color: var(--primary); background: var(--primary-light); font-weight: 700; border-bottom: 2px solid var(--primary); }

/* ===== Hero ===== */
.hero { position: relative; min-height: 560px; display: flex; align-items: center; background: linear-gradient(110deg, #0d1b2e 0%, #10263e 55%, #15304d 100%); overflow: hidden; }
.hero-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: .35; }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(100deg, rgba(13,27,46,.92) 20%, rgba(13,27,46,.5) 60%, rgba(13,27,46,.15)); }
.hero-content { position: relative; z-index: 2; max-width: 640px; padding: 80px 0; }
.hero-title { font-size: 46px; line-height: 1.25; font-weight: 800; color: #fff; margin-bottom: 18px; }
.hero-title span { color: #5b8cff; }
.hero-subtitle { font-size: 18px; color: #c7d2e0; line-height: 1.8; margin-bottom: 28px; }
.hero-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 32px; }
.hero-tag { background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.18); color: #e6edf7; padding: 6px 14px; border-radius: 30px; font-size: 13px; backdrop-filter: blur(4px); }
.hero-buttons { display: flex; gap: 14px; flex-wrap: wrap; }

/* ===== Buttons ===== */
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 12px 26px; border-radius: 34px; font-size: 15px; font-weight: 600; border: none; cursor: pointer; transition: var(--transition); }
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 8px 24px rgba(26,92,255,.3); }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 12px 28px rgba(26,92,255,.4); color: #fff; }
.btn-light { background: #fff; color: var(--primary); box-shadow: 0 8px 24px rgba(0,0,0,.12); }
.btn-light:hover { background: #f0f4ff; transform: translateY(-2px); }
.btn-outline-light { background: transparent; border: 2px solid rgba(255,255,255,.7); color: #fff; }
.btn-outline-light:hover { background: rgba(255,255,255,.14); border-color: #fff; transform: translateY(-2px); color: #fff; }

/* ===== Update Bar ===== */
.update-bar { background: #fff; border-bottom: 1px solid var(--border); }
.update-inner { display: flex; align-items: center; gap: 16px; height: 52px; }
.update-badge { background: #fff3e8; color: var(--accent); font-size: 13px; font-weight: 700; padding: 5px 14px; border-radius: 20px; display: inline-flex; align-items: center; gap: 6px; flex-shrink: 0; }
.update-list { overflow: hidden; white-space: nowrap; text-overflow: ellipsis; font-size: 14px; color: var(--text-muted); }

/* ===== Stats ===== */
.stats-section { background: var(--bg-deep); background-image: url('/assets/images/backpic/back-2.png'); background-size: cover; background-position: center; position: relative; }
.stats-section::before { content: ''; position: absolute; inset: 0; background: rgba(13,27,46,.82); }
.stats-grid { position: relative; z-index: 2; display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; padding: 56px 0; }
.stat-item { text-align: center; color: #fff; padding: 20px; }
.stat-item strong { display: block; font-size: 42px; font-weight: 800; color: #6ea0ff; line-height: 1.2; }
.stat-item span { font-size: 14px; color: #aab8cc; letter-spacing: 1px; }

/* ===== Section ===== */
.section { padding: 84px 0; }
.section-head { text-align: center; max-width: 680px; margin: 0 auto 44px; }
.section-head h2 { font-size: 34px; font-weight: 800; color: var(--text); margin-bottom: 10px; }
.section-head p { font-size: 16px; color: var(--text-muted); }

/* ===== Intro ===== */
.intro-section { background: #fff; }
.intro-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.intro-media { border-radius: 20px; overflow: hidden; box-shadow: var(--shadow-lg); }
.intro-media img { width: 100%; height: 100%; object-fit: cover; }
.intro-content h2 { font-size: 30px; font-weight: 800; margin-bottom: 14px; }
.intro-content p { font-size: 16px; color: var(--text-muted); margin-bottom: 20px; }
.intro-list li { display: flex; gap: 12px; margin-bottom: 12px; font-size: 15px; color: var(--text); }
.intro-list i { color: var(--primary); margin-top: 4px; }

/* ===== Category ===== */
.category-section { background: var(--bg); }
.category-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.category-card { position: relative; display: block; height: 340px; border-radius: 20px; overflow: hidden; box-shadow: var(--shadow); transition: var(--transition); }
.category-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.category-card img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s ease; }
.category-card:hover img { transform: scale(1.05); }
.category-overlay { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(13,27,46,0) 30%, rgba(13,27,46,.85)); padding: 28px; display: flex; flex-direction: column; justify-content: flex-end; align-items: flex-start; }
.category-tag { background: var(--accent); color: #fff; font-size: 13px; font-weight: 700; padding: 4px 12px; border-radius: 30px; margin-bottom: 10px; }
.category-overlay h3 { color: #fff; font-size: 28px; font-weight: 800; margin-bottom: 6px; }
.category-overlay p { color: #dbe4ef; font-size: 14px; margin-bottom: 16px; }

/* ===== Info / Post List ===== */
.info-section { background: var(--bg); }
.info-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 28px; }
.panel { background: #fff; border-radius: 20px; border: 1px solid var(--border); box-shadow: var(--shadow); overflow: hidden; }
.panel-head { display: flex; align-items: center; justify-content: space-between; padding: 22px 24px; border-bottom: 1px solid var(--border); }
.panel-head h3 { font-size: 20px; font-weight: 700; }
.more-link { font-size: 14px; color: var(--primary); font-weight: 600; }
.hot-list { padding: 16px 22px 22px; }
.hot-item { display: flex; align-items: center; gap: 14px; padding: 12px 6px; border-bottom: 1px dashed #eef1f5; }
.hot-item:last-child { border-bottom: none; }
.hot-num { width: 28px; height: 28px; border-radius: 8px; background: #eef2f9; color: var(--text-muted); display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 14px; flex-shrink: 0; }
.hot-item:nth-child(1) .hot-num { background: var(--accent); color: #fff; }
.hot-item:nth-child(2) .hot-num { background: #ff9a5a; color: #fff; }
.hot-item:nth-child(3) .hot-num { background: #ffbe8a; color: #fff; }
.hot-item a { flex: 1; font-size: 14px; color: var(--text); font-weight: 500; }
.hot-item a:hover { color: var(--primary); }
.hot-item span { font-size: 12px; color: var(--text-muted); }
.latest-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; padding: 20px; }
.post-card { background: #fff; border-radius: 16px; overflow: hidden; border: 1px solid #edf1f5; transition: var(--transition); }
.post-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.post-thumb { display: block; height: 140px; overflow: hidden; }
.post-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.post-card:hover .post-thumb img { transform: scale(1.06); }
.post-body { padding: 16px 18px 18px; }
.post-cat { display: inline-block; background: var(--primary-light); color: var(--primary); font-size: 12px; font-weight: 700; padding: 3px 10px; border-radius: 20px; margin-bottom: 10px; }
.post-body h3 { font-size: 16px; font-weight: 700; margin-bottom: 8px; line-height: 1.5; }
.post-body h3 a { color: var(--text); display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden; }
.post-body h3 a:hover { color: var(--primary); }
.post-body p { font-size: 13px; color: var(--text-muted); line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; margin-bottom: 10px; }
.post-meta { font-size: 12px; color: var(--text-muted); display: flex; align-items: center; gap: 6px; }
.empty-tip { grid-column: 1 / -1; text-align: center; padding: 60px 20px; color: var(--text-muted); }

/* ===== Scroll Cards ===== */
.scroll-section { background: #fff; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.scroll-track { display: flex; gap: 20px; overflow-x: auto; padding: 10px 4px 24px; scroll-snap-type: x mandatory; scrollbar-width: thin; }
.scroll-card { flex: 0 0 270px; scroll-snap-align: start; background: #fff; border-radius: 18px; border: 1px solid var(--border); overflow: hidden; box-shadow: var(--shadow); transition: var(--transition); }
.scroll-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.scroll-card img { height: 150px; width: 100%; object-fit: cover; }
.scroll-body { padding: 16px 18px; }
.scroll-body .badge { background: var(--accent); color: #fff; font-size: 12px; padding: 3px 10px; border-radius: 20px; font-weight: 600; }
.scroll-body h4 { font-size: 16px; font-weight: 700; margin: 10px 0 6px; }
.scroll-body p { font-size: 13px; color: var(--text-muted); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

/* ===== Process ===== */
.process-section { background: var(--bg); }
.process-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.process-step { background: #fff; border-radius: 18px; padding: 36px 24px; text-align: center; border: 1px solid var(--border); transition: var(--transition); position: relative; }
.process-step:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.step-num { position: absolute; top: 18px; left: 24px; font-size: 40px; font-weight: 800; color: #eef2f7; line-height: 1; }
.step-icon { width: 64px; height: 64px; border-radius: 18px; background: var(--primary-light); color: var(--primary); display: flex; align-items: center; justify-content: center; font-size: 24px; margin: 0 auto 18px; }
.process-step h3 { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.process-step p { font-size: 14px; color: var(--text-muted); }

/* ===== FAQ ===== */
.faq-section { background: #fff; }
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item { background: var(--bg); border-radius: 16px; padding: 22px 24px; margin-bottom: 14px; border-left: 4px solid var(--primary); }
.faq-item h3 { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.faq-item p { font-size: 14px; color: var(--text-muted); }

/* ===== CTA ===== */
.cta-section { background: url('/assets/images/backpic/back-3.png') center/cover; position: relative; padding: 90px 0; text-align: center; }
.cta-section::before { content: ''; position: absolute; inset: 0; background: linear-gradient(120deg, rgba(13,27,46,.92), rgba(26,92,255,.78)); }
.cta-content { position: relative; z-index: 2; max-width: 700px; margin: 0 auto; }
.cta-content h2 { color: #fff; font-size: 36px; font-weight: 800; margin-bottom: 12px; }
.cta-content p { color: #dce6f5; font-size: 16px; margin-bottom: 28px; }
.cta-buttons { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ===== Footer ===== */
.site-footer { background: #0d1b2e; color: #8da0b8; padding: 64px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.4fr .9fr 1fr; gap: 40px; padding-bottom: 48px; border-bottom: 1px solid rgba(255,255,255,.08); }
.footer-logo { font-size: 24px; font-weight: 800; color: #fff; margin-bottom: 12px; }
.footer-brand p { font-size: 14px; line-height: 1.8; max-width: 320px; }
.footer-nav h4, .footer-contact h4 { color: #fff; font-size: 16px; font-weight: 700; margin-bottom: 16px; }
.footer-nav ul li { margin-bottom: 8px; }
.footer-nav a { color: #8da0b8; font-size: 14px; }
.footer-nav a:hover { color: #fff; }
.footer-contact p { font-size: 14px; line-height: 1.8; }
.footer-bottom { padding: 22px 0; text-align: center; font-size: 13px; color: #5d6f82; }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .hero-title { font-size: 38px; }
  .intro-grid { gap: 40px; }
  .info-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .search-box { width: 220px; }
  .channel-link { padding: 0 14px; }
}
@media (max-width: 768px) {
  .header-inner { height: 64px; flex-wrap: wrap; }
  .header-actions { margin-left: auto; }
  .search-box { display: none; }
  .channel-list { height: 44px; }
  .channel-link { padding: 0 12px; font-size: 14px; height: 34px; }
  .hero { min-height: 480px; }
  .hero-title { font-size: 32px; }
  .hero-subtitle { font-size: 16px; }
  .section { padding: 60px 0; }
  .section-head h2 { font-size: 28px; }
  .intro-grid { grid-template-columns: 1fr; }
  .category-grid { grid-template-columns: 1fr; }
  .category-card { height: 280px; }
  .latest-grid { grid-template-columns: 1fr; }
  .process-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
}
@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .logo-main { font-size: 20px; }
  .header-btn { display: none; }
  .hero-title { font-size: 26px; }
  .hero { min-height: 420px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .stat-item strong { font-size: 32px; }
  .cta-content h2 { font-size: 28px; }
  .scroll-card { flex-basis: 230px; }
}

/* roulang page: category1 */
/* ===== 设计变量 ===== */
:root {
  --primary: #0f1e30;
  --primary-md: #162a3e;
  --primary-light: #213b57;
  --accent: #c8a45c;
  --accent-dark: #a5833c;
  --accent-light: #f0e1c4;
  --bg: #f5f7fa;
  --bg-alt: #eaeef3;
  --card: #ffffff;
  --text: #1e2a38;
  --text-muted: #67758a;
  --border: #e2e7ee;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --shadow-xs: 0 2px 6px rgba(15, 23, 42, 0.05);
  --shadow-sm: 0 4px 14px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 12px 30px rgba(15, 23, 42, 0.09);
  --shadow-lg: 0 24px 55px rgba(15, 23, 42, 0.14);
  --transition: 0.3s ease;
  --container: 1240px;
}

/* ===== 基础 Reset ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: -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;
  font-size: 16px;
}
img { max-width: 100%; display: block; border: 0; }
a { color: var(--text); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent-dark); }
button { font-family: inherit; border: 0; background: none; cursor: pointer; }
input { font-family: inherit; outline: none; }
ul, ol { list-style: none; }

/* ===== 容器 ===== */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 28px;
}

/* ===== 头部 ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--primary);
  box-shadow: 0 4px 20px rgba(15, 23, 42, 0.22);
}
.header-top {
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-top: 16px;
  padding-bottom: 16px;
}
.logo {
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex-shrink: 0;
}
.logo-main {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: 0.04em;
  color: #ffffff;
  white-space: nowrap;
}
.logo-sub {
  font-size: 13px;
  color: var(--accent);
  letter-spacing: 0.1em;
  border-left: 2px solid rgba(200, 164, 92, 0.5);
  padding-left: 10px;
  white-space: nowrap;
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}
.search-box {
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 999px;
  padding: 6px 8px 6px 16px;
  transition: background var(--transition), border-color var(--transition);
}
.search-box:focus-within {
  background: rgba(255, 255, 255, 0.16);
  border-color: var(--accent);
}
.search-box input {
  background: transparent;
  border: 0;
  color: #ffffff;
  width: 180px;
  font-size: 14px;
}
.search-box input::placeholder {
  color: rgba(255, 255, 255, 0.55);
}
.search-box button {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  transition: background var(--transition), transform var(--transition);
}
.search-box button:hover {
  background: var(--accent-light);
  transform: scale(1.05);
}
.header-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: var(--primary);
  font-size: 14px;
  font-weight: 700;
  padding: 10px 18px;
  border-radius: 999px;
  white-space: nowrap;
  transition: transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 4px 14px rgba(200, 164, 92, 0.3);
}
.header-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(200, 164, 92, 0.42);
  color: var(--primary);
}
.header-btn:focus-visible {
  outline: 2px solid var(--accent-light);
  outline-offset: 2px;
}

/* 频道导航 */
.channel-nav {
  background: var(--primary);
}
.channel-list {
  display: flex;
  gap: 6px;
  padding: 8px 0;
  overflow-x: auto;
  scrollbar-width: none;
}
.channel-list::-webkit-scrollbar { display: none; }
.channel-link {
  display: block;
  padding: 8px 20px;
  color: rgba(255, 255, 255, 0.8);
  font-size: 15px;
  font-weight: 600;
  border-radius: 999px;
  white-space: nowrap;
  transition: background var(--transition), color var(--transition);
}
.channel-link:hover {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.08);
}
.channel-link.active {
  background: var(--accent);
  color: var(--primary);
}
.channel-link:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: -2px;
}

/* ===== 页面 Banner ===== */
.page-hero {
  position: relative;
  background-image: url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center;
  padding: 76px 0 68px;
  color: #ffffff;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(15, 30, 48, 0.92), rgba(15, 30, 48, 0.62));
}
.page-hero .container {
  position: relative;
  z-index: 2;
}
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 18px;
}
.breadcrumb a {
  color: rgba(255, 255, 255, 0.7);
}
.breadcrumb a:hover {
  color: var(--accent-light);
}
.breadcrumb i {
  font-size: 12px;
}
.page-hero h1 {
  font-size: 42px;
  font-weight: 800;
  letter-spacing: 0.03em;
  margin-bottom: 14px;
  line-height: 1.2;
}
.page-hero .hero-subtitle {
  font-size: 17px;
  color: rgba(255, 255, 255, 0.85);
  max-width: 560px;
  margin-bottom: 26px;
}
.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.hero-tags span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  padding: 6px 16px;
  font-size: 13px;
  backdrop-filter: blur(6px);
}
.hero-tags i {
  color: var(--accent);
  font-size: 12px;
}

/* ===== 更新条 + 标签 ===== */
.notice-tag-row {
  background: var(--card);
  border-bottom: 1px solid var(--border);
}
.notice-inner {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 16px 0;
  flex-wrap: wrap;
}
.notice-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent-light);
  color: var(--accent-dark);
  font-size: 13px;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: 999px;
  flex-shrink: 0;
}
.notice-text {
  font-size: 14px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}
.notice-text span {
  position: relative;
  display: inline-block;
  padding-right: 18px;
}
.notice-text span + span::before {
  content: '';
  position: absolute;
  left: -9px;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--accent);
}
.tag-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 0;
  overflow-x: auto;
  scrollbar-width: none;
  flex-shrink: 0;
}
.tag-row::-webkit-scrollbar { display: none; }
.tag-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 999px;
  white-space: nowrap;
  transition: all var(--transition);
}
.tag-item:hover {
  background: var(--accent-light);
  border-color: var(--accent);
  color: var(--accent-dark);
}
.tag-item.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #ffffff;
}

/* ===== 分类卡片网格 ===== */
.section-block {
  padding: 64px 0 70px;
}
.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 34px;
}
.section-title {
  font-size: 28px;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--primary);
  position: relative;
  padding-left: 18px;
}
.section-title::before {
  content: '';
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 6px;
  width: 5px;
  border-radius: 4px;
  background: linear-gradient(180deg, var(--accent), var(--accent-dark));
}
.section-desc {
  font-size: 14px;
  color: var(--text-muted);
  text-align: right;
  max-width: 420px;
}
.guide-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.guide-card {
  background: var(--card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-xs);
  transition: transform var(--transition), box-shadow var(--transition);
  display: flex;
  flex-direction: column;
}
.guide-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.guide-card-cover {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
}
.guide-card-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.45s ease;
}
.guide-card:hover .guide-card-cover img {
  transform: scale(1.06);
}
.guide-card-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(15, 30, 48, 0.8);
  color: #ffffff;
  font-size: 12px;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: 999px;
  backdrop-filter: blur(4px);
}
.guide-card-body {
  padding: 22px 22px 20px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.guide-card-title {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 8px;
  line-height: 1.4;
  transition: color var(--transition);
}
.guide-card:hover .guide-card-title {
  color: var(--accent-dark);
}
.guide-card-desc {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 16px;
  flex: 1;
}
.guide-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: var(--text-muted);
  border-top: 1px solid var(--border);
  padding-top: 14px;
}
.guide-card-meta i {
  color: var(--accent);
  margin-right: 4px;
}

/* ===== 最新指南 + 热门榜单 ===== */
.latest-ranking-row {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 32px;
  align-items: start;
}
.panel {
  background: var(--card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  padding: 30px;
}
.panel-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 24px;
}
.panel-title i {
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-light);
  color: var(--accent-dark);
  border-radius: 10px;
  font-size: 16px;
}
.latest-list li {
  border-bottom: 1px solid var(--border);
  padding: 16px 0;
  transition: background var(--transition);
  position: relative;
  padding-left: 6px;
  border-radius: 8px;
}
.latest-list li:first-child {
  padding-top: 0;
}
.latest-list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}
.latest-list li:hover {
  background: var(--bg);
  padding-left: 14px;
}
.latest-item-top {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 6px;
}
.latest-tag {
  font-size: 12px;
  color: var(--accent-dark);
  background: var(--accent-light);
  padding: 2px 10px;
  border-radius: 999px;
}
.latest-item-title {
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
}
.latest-item-bottom {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 6px;
}
.latest-item-bottom i {
  color: var(--accent);
  margin-right: 4px;
}

/* 热门榜单 */
.rank-list {
  counter-reset: rank;
}
.rank-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 13px 0;
  border-bottom: 1px solid var(--border);
  transition: padding-left var(--transition);
}
.rank-item:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}
.rank-item:hover {
  padding-left: 6px;
}
.rank-num {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 800;
  background: var(--bg-alt);
  color: var(--text-muted);
  flex-shrink: 0;
}
.rank-item:nth-child(1) .rank-num {
  background: var(--accent);
  color: var(--primary);
}
.rank-item:nth-child(2) .rank-num {
  background: var(--accent-light);
  color: var(--accent-dark);
}
.rank-item:nth-child(3) .rank-num {
  background: var(--bg-alt);
  color: var(--accent-dark);
  border: 1px solid var(--border);
}
.rank-info {
  flex: 1;
  min-width: 0;
}
.rank-title {
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.rank-views {
  font-size: 13px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 5px;
  margin-top: 4px;
}
.rank-views i {
  color: var(--accent);
  font-size: 12px;
}

/* ===== 图文专题 ===== */
.feature-panel {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--primary);
  color: #ffffff;
  box-shadow: var(--shadow-lg);
}
.feature-inner {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  min-height: 380px;
}
.feature-content {
  padding: 56px 48px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.feature-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--accent);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.06em;
  margin-bottom: 16px;
}
.feature-kicker::before {
  content: '';
  width: 28px;
  height: 2px;
  background: var(--accent);
}
.feature-content h2 {
  font-size: 28px;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 18px;
}
.feature-content p {
  color: rgba(255, 255, 255, 0.82);
  font-size: 15px;
  margin-bottom: 24px;
}
.feature-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.feature-list li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.92);
}
.feature-list i {
  color: var(--accent);
  font-size: 13px;
}
.feature-cover {
  position: relative;
  min-height: 320px;
}
.feature-cover img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.feature-cover::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, var(--primary), transparent 60%);
}

/* ===== 数据块 ===== */
.stats-section {
  background: var(--primary);
  position: relative;
  background-image: url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
  padding: 64px 0;
}
.stats-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(15, 30, 48, 0.88);
}
.stats-section .container {
  position: relative;
  z-index: 2;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}
.stat-item {
  text-align: center;
  padding: 26px 18px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  transition: background var(--transition), transform var(--transition);
}
.stat-item:hover {
  background: rgba(255, 255, 255, 0.12);
  transform: translateY(-4px);
}
.stat-num {
  font-size: 42px;
  font-weight: 800;
  color: var(--accent);
  line-height: 1.1;
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.stat-num i {
  font-size: 26px;
  margin: 0 6px;
  color: var(--accent);
}
.stat-label {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.8);
  letter-spacing: 0.04em;
}

/* ===== FAQ ===== */
.faq-list {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.faq-item {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 8px 24px;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.faq-item[open] {
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
}
.faq-item summary {
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 0;
  font-size: 16px;
  font-weight: 600;
  color: var(--primary);
  list-style: none;
}
.faq-item summary::-webkit-details-marker {
  display: none;
}
.faq-summary-icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  color: var(--text-muted);
  transition: all var(--transition);
  flex-shrink: 0;
}
.faq-item[open] .faq-summary-icon {
  background: var(--accent);
  color: var(--primary);
  transform: rotate(45deg);
}
.faq-answer {
  padding: 0 48px 20px 0;
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.75;
}

/* ===== CTA ===== */
.cta-section {
  padding: 72px 0;
  background: var(--card);
  border-top: 1px solid var(--border);
}
.cta-wrapper {
  text-align: center;
  max-width: 680px;
  margin: 0 auto;
}
.cta-icon {
  width: 64px;
  height: 64px;
  border-radius: 20px;
  background: var(--accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: var(--accent-dark);
  margin: 0 auto 20px;
}
.cta-wrapper h2 {
  font-size: 30px;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 12px;
}
.cta-wrapper p {
  font-size: 15px;
  color: var(--text-muted);
  margin-bottom: 28px;
}
.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: var(--primary);
  font-size: 15px;
  font-weight: 700;
  padding: 14px 30px;
  border-radius: 999px;
  transition: transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 8px 22px rgba(200, 164, 92, 0.35);
}
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 30px rgba(200, 164, 92, 0.45);
  color: var(--primary);
}
.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 2px solid var(--border);
  color: var(--text);
  font-size: 15px;
  font-weight: 600;
  padding: 13px 28px;
  border-radius: 999px;
  transition: all var(--transition);
}
.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--bg);
}

/* ===== 页脚 ===== */
.site-footer {
  background: var(--primary);
  color: rgba(255, 255, 255, 0.75);
  padding: 56px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1.2fr;
  gap: 36px;
  padding-bottom: 36px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.footer-logo {
  font-size: 22px;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 10px;
}
.footer-brand p {
  font-size: 14px;
  line-height: 1.7;
  max-width: 320px;
}
.footer-nav h4,
.footer-contact h4 {
  color: #ffffff;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 14px;
}
.footer-nav ul {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.footer-nav a {
  color: rgba(255, 255, 255, 0.72);
  font-size: 14px;
  transition: color var(--transition), padding-left var(--transition);
}
.footer-nav a:hover {
  color: var(--accent);
  padding-left: 4px;
}
.footer-contact p {
  font-size: 14px;
  line-height: 1.7;
}
.footer-bottom {
  padding: 20px 0;
  text-align: center;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
}

/* ===== 焦点可访问性 ===== */
a:focus-visible,
summary:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .guide-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .feature-content {
    padding: 44px 32px;
  }
  .feature-content h2 {
    font-size: 24px;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 20px;
  }
  .header-inner {
    flex-wrap: wrap;
  }
  .header-actions {
    width: 100%;
    justify-content: flex-end;
  }
  .search-box input {
    width: 130px;
  }
  .header-btn span {
    display: none;
  }
  .page-hero {
    padding: 52px 0 48px;
  }
  .page-hero h1 {
    font-size: 32px;
  }
  .section-block {
    padding: 46px 0 50px;
  }
  .section-header {
    flex-direction: column;
    align-items: flex-start;
    margin-bottom: 24px;
  }
  .section-desc {
    text-align: left;
  }
  .latest-ranking-row {
    grid-template-columns: 1fr;
  }
  .feature-inner {
    grid-template-columns: 1fr;
  }
  .feature-cover {
    min-height: 220px;
  }
  .feature-cover img {
    position: relative;
    width: 100%;
    height: 220px;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
  }
  .stat-num {
    font-size: 32px;
  }
  .cta-wrapper h2 {
    font-size: 24px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
}

@media (max-width: 520px) {
  .container {
    padding: 0 16px;
  }
  .logo-main {
    font-size: 18px;
  }
  .logo-sub {
    font-size: 12px;
    padding-left: 6px;
  }
  .search-box {
    flex: 1;
  }
  .search-box input {
    width: 100%;
    min-width: 80px;
  }
  .channel-link {
    padding: 7px 14px;
    font-size: 14px;
  }
  .page-hero h1 {
    font-size: 26px;
  }
  .hero-subtitle {
    font-size: 15px !important;
  }
  .hero-tags span {
    padding: 4px 12px;
    font-size: 12px;
  }
  .guide-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }
  .panel {
    padding: 22px 18px;
  }
  .feature-content {
    padding: 32px 24px;
  }
  .feature-content h2 {
    font-size: 21px;
  }
  .feature-list {
    grid-template-columns: 1fr;
  }
  .stats-section {
    padding: 40px 0;
  }
  .btn-primary,
  .btn-outline {
    width: 100%;
    justify-content: center;
  }
  .faq-item summary {
    font-size: 15px;
  }
  .faq-answer {
    padding-right: 0;
  }
}

/* roulang page: article */
:root {
  --primary: #1a2a3a;
  --primary-light: #2a3f55;
  --accent: #c9a96a;
  --accent-hover: #b89456;
  --bg: #f7f5f2;
  --bg-alt: #ffffff;
  --text: #1e293b;
  --text-light: #64748b;
  --border: #e6e0d8;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 6px 28px rgba(26, 42, 58, 0.07);
  --shadow-hover: 0 14px 40px rgba(26, 42, 58, 0.12);
  --transition: all 0.3s ease;
  --container: 1200px;
}

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

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

/* ===== Buttons ===== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: #1a2a3a;
  font-weight: 600;
  font-size: 16px;
  padding: 14px 32px;
  border-radius: 50px;
  transition: var(--transition);
  box-shadow: 0 4px 16px rgba(201, 169, 106, 0.35);
}
.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(201, 169, 106, 0.45);
}
.btn-primary:focus-visible {
  outline: 3px solid #c9a96a;
  outline-offset: 2px;
}
.btn-primary i {
  font-size: 18px;
}

.btn-outline-light {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.08);
  color: #ffffff;
  font-weight: 500;
  font-size: 15px;
  padding: 13px 30px;
  border-radius: 50px;
  border: 1px solid rgba(255, 255, 255, 0.35);
  transition: var(--transition);
}
.btn-outline-light:hover {
  background: rgba(255, 255, 255, 0.18);
  border-color: #ffffff;
  transform: translateY(-2px);
}

/* ===== Tags ===== */
.tag {
  display: inline-block;
  background: #f0ece6;
  color: #5b6d7c;
  font-size: 13px;
  padding: 6px 16px;
  border-radius: 30px;
  font-weight: 500;
  transition: var(--transition);
}
.tag:hover {
  background: var(--accent);
  color: #1a2a3a;
}

/* ===== Section Heading ===== */
.section-heading {
  font-size: 30px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 12px;
  letter-spacing: -0.02em;
  position: relative;
  padding-bottom: 16px;
}
.section-heading::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 48px;
  height: 3px;
  background: var(--accent);
  border-radius: 3px;
}
.section-heading.center {
  text-align: center;
}
.section-heading.center::after {
  left: 50%;
  transform: translateX(-50%);
}

/* ===== Header ===== */
.site-header {
  background: var(--bg-alt);
  box-shadow: 0 2px 20px rgba(26, 42, 58, 0.06);
  position: sticky;
  top: 0;
  z-index: 1000;
}
.header-top {
  background: var(--bg-alt);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 74px;
  gap: 24px;
}
.logo {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
  flex-shrink: 0;
}
.logo-main {
  font-size: 24px;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: 0.01em;
}
.logo-sub {
  font-size: 12px;
  color: var(--accent);
  font-weight: 600;
  letter-spacing: 0.35em;
  text-transform: uppercase;
  margin-top: 2px;
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}
.search-box {
  display: flex;
  align-items: center;
  background: #f5f2ee;
  border: 1px solid transparent;
  border-radius: 50px;
  padding: 4px 6px 4px 18px;
  width: 280px;
  transition: var(--transition);
}
.search-box:focus-within {
  border-color: var(--accent);
  background: #ffffff;
  box-shadow: 0 0 0 4px rgba(201, 169, 106, 0.15);
}
.search-box input {
  border: none;
  background: transparent;
  font-size: 14px;
  color: var(--text);
  width: 100%;
  outline: none;
  padding: 8px 0;
}
.search-box input::placeholder {
  color: #9aa7b1;
}
.search-box button {
  background: var(--primary);
  color: #ffffff;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  flex-shrink: 0;
}
.search-box button:hover {
  background: var(--accent);
  color: #1a2a3a;
}
.header-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--primary);
  color: #ffffff;
  font-size: 14px;
  font-weight: 500;
  padding: 10px 22px;
  border-radius: 50px;
  transition: var(--transition);
}
.header-btn:hover {
  background: var(--accent);
  color: #1a2a3a;
  transform: translateY(-1px);
}
.channel-nav {
  border-top: 1px solid #f0ece6;
  background: #fafaf9;
}
.channel-list {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 50px;
  overflow-x: auto;
  scrollbar-width: none;
}
.channel-list::-webkit-scrollbar { display: none; }
.channel-link {
  display: inline-flex;
  align-items: center;
  padding: 10px 22px;
  font-size: 15px;
  font-weight: 500;
  color: #5b6d7c;
  border-radius: 30px;
  transition: var(--transition);
  white-space: nowrap;
}
.channel-link:hover {
  color: var(--primary);
  background: #f0ece6;
}
.channel-link.active {
  background: var(--primary);
  color: #ffffff;
  font-weight: 600;
  box-shadow: 0 4px 12px rgba(26, 42, 58, 0.2);
}
.channel-link:focus-visible {
  outline: 3px solid rgba(201, 169, 106, 0.5);
  outline-offset: 2px;
}

/* ===== Breadcrumb ===== */
.breadcrumb {
  background: #fafaf9;
  border-bottom: 1px solid #f0ece6;
  padding: 12px 0;
}
.breadcrumb .container {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 14px;
  color: var(--text-light);
}
.breadcrumb a {
  color: var(--text-light);
  transition: var(--transition);
}
.breadcrumb a:hover {
  color: var(--accent);
}
.breadcrumb .sep {
  color: #c4cdd3;
}
.breadcrumb .current {
  color: var(--text);
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 300px;
}

/* ===== Article Hero ===== */
.article-hero {
  background-image: linear-gradient(135deg, rgba(26, 42, 58, 0.92) 0%, rgba(26, 42, 58, 0.75) 60%, rgba(201, 169, 106, 0.35) 100%), url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center;
  color: #ffffff;
  padding: 70px 0 80px;
  position: relative;
}
.article-hero-inner {
  max-width: 880px;
}
.article-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}
.article-cat {
  background: var(--accent);
  color: #1a2a3a;
  font-size: 13px;
  font-weight: 700;
  padding: 5px 18px;
  border-radius: 30px;
  letter-spacing: 0.04em;
}
.article-hero time {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.75);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.article-hero time i {
  font-size: 13px;
}
.article-hero h1 {
  font-size: 40px;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}
.article-desc {
  font-size: 17px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.85);
  max-width: 720px;
}

/* ===== Article Layout ===== */
.article-main-section {
  padding: 48px 0 64px;
}
.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 40px;
  align-items: start;
}
.article-body {
  background: var(--bg-alt);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 44px 48px;
}
.article-content {
  font-size: 17px;
  line-height: 1.85;
  color: #334155;
}
.article-content p {
  margin-bottom: 1.4em;
}
.article-content h2 {
  font-size: 26px;
  font-weight: 700;
  color: var(--text);
  margin: 1.8em 0 0.8em;
  padding-left: 16px;
  border-left: 4px solid var(--accent);
  letter-spacing: -0.01em;
}
.article-content h3 {
  font-size: 21px;
  font-weight: 700;
  color: var(--text);
  margin: 1.6em 0 0.7em;
}
.article-content h4 {
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
  margin: 1.4em 0 0.6em;
}
.article-content ul,
.article-content ol {
  margin: 0 0 1.4em 1.4em;
  padding-left: 0.8em;
}
.article-content ul li {
  list-style: disc;
  margin-bottom: 0.5em;
  padding-left: 0.3em;
}
.article-content ol li {
  list-style: decimal;
  margin-bottom: 0.5em;
  padding-left: 0.3em;
}
.article-content li::marker {
  color: var(--accent);
  font-weight: 700;
}
.article-content img {
  max-width: 100%;
  border-radius: var(--radius);
  margin: 1.8em 0;
  box-shadow: var(--shadow);
}
.article-content a {
  color: var(--primary);
  text-decoration: underline;
  text-decoration-color: var(--accent);
  text-underline-offset: 3px;
  text-decoration-thickness: 2px;
  transition: var(--transition);
}
.article-content a:hover {
  color: var(--accent-hover);
}
.article-content blockquote {
  border-left: 4px solid var(--accent);
  background: #faf7f2;
  padding: 20px 24px;
  margin: 1.8em 0;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: #5b6d7c;
  font-style: italic;
}
.article-content blockquote p:last-child {
  margin-bottom: 0;
}
.article-content code {
  background: #f0ece6;
  padding: 2px 8px;
  border-radius: 5px;
  font-size: 0.9em;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}
.article-content pre {
  background: #1e293b;
  color: #e2e8f0;
  padding: 24px;
  border-radius: var(--radius-sm);
  overflow-x: auto;
  margin: 1.6em 0;
  font-size: 14px;
  line-height: 1.6;
}
.article-content pre code {
  background: none;
  padding: 0;
  color: inherit;
  font-size: 14px;
}

.article-tags {
  margin-top: 36px;
  padding-top: 28px;
  border-top: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.article-tags .tag {
  background: #f0ece6;
}

/* ===== Sidebar ===== */
.article-side {
  display: flex;
  flex-direction: column;
  gap: 24px;
  position: sticky;
  top: 130px;
}
.side-card {
  background: var(--bg-alt);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  padding: 28px;
  transition: var(--transition);
}
.side-card:hover {
  box-shadow: var(--shadow);
}
.side-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--border);
  position: relative;
}
.side-card h3::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 40px;
  height: 2px;
  background: var(--accent);
}
.side-card ul li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  font-size: 15px;
  color: #5b6d7c;
}
.side-card ul li i {
  color: var(--accent);
  width: 18px;
  text-align: center;
  font-size: 14px;
}
.side-card ul li a {
  color: var(--primary);
  font-weight: 500;
  transition: var(--transition);
}
.side-card ul li a:hover {
  color: var(--accent);
}
.side-card .info-value {
  color: var(--text);
  font-weight: 500;
}

.nav-card ul li a {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  width: 100%;
}
.nav-card ul li a:hover {
  background: #f0ece6;
  padding-left: 18px;
  color: var(--accent-hover);
}
.nav-card ul li i {
  font-size: 14px;
}

.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.tag-cloud a {
  display: inline-block;
  background: #f0ece6;
  color: #5b6d7c;
  font-size: 13px;
  padding: 6px 16px;
  border-radius: 30px;
  transition: var(--transition);
}
.tag-cloud a:hover {
  background: var(--primary);
  color: #ffffff;
  transform: translateY(-2px);
}

/* ===== Related ===== */
.related-section {
  padding: 64px 0;
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
}
.related-section .section-heading {
  margin-bottom: 32px;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}
.related-card {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}
.related-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
  border-color: transparent;
}
.related-thumb {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: #f0ece6;
}
.related-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.related-card:hover .related-thumb img {
  transform: scale(1.06);
}
.related-info {
  padding: 22px;
  display: flex;
  flex-direction: column;
  flex: 1;
  gap: 8px;
}
.related-cat {
  font-size: 12px;
  font-weight: 700;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  background: rgba(201, 169, 106, 0.12);
  display: inline-block;
  padding: 4px 12px;
  border-radius: 20px;
  align-self: flex-start;
}
.related-info h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--text);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.related-info p {
  font-size: 13px;
  color: var(--text-light);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}
.related-info time {
  font-size: 12px;
  color: #9aa7b1;
}

/* ===== Not Found ===== */
.article-not-found {
  padding: 80px 0 64px;
}
.not-found-box {
  max-width: 520px;
  margin: 0 auto;
  background: var(--bg-alt);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 60px 48px;
  text-align: center;
}
.not-found-box i {
  font-size: 56px;
  color: var(--accent);
  margin-bottom: 20px;
}
.not-found-box h2 {
  font-size: 28px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 12px;
}
.not-found-box p {
  color: var(--text-light);
  font-size: 15px;
  margin-bottom: 28px;
  line-height: 1.7;
}

/* ===== FAQ ===== */
.faq-section {
  padding: 72px 0;
}
.faq-section .container {
  max-width: 920px;
}
.faq-section .section-heading {
  margin-bottom: 36px;
}
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.faq-item {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
}
.faq-item:hover {
  border-color: rgba(201, 169, 106, 0.5);
  box-shadow: var(--shadow);
}
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 28px;
  font-size: 17px;
  font-weight: 600;
  color: var(--text);
  text-align: left;
  transition: var(--transition);
}
.faq-question:hover {
  color: var(--primary);
}
.faq-question i {
  color: var(--accent);
  font-size: 15px;
  transition: transform 0.35s ease;
  flex-shrink: 0;
  background: rgba(201, 169, 106, 0.15);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.faq-item.open .faq-question i {
  transform: rotate(180deg);
  background: var(--accent);
  color: #1a2a3a;
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.45s ease;
}
.faq-item.open .faq-answer {
  max-height: 600px;
}
.faq-answer p {
  padding: 0 28px 24px 28px;
  color: var(--text-light);
  font-size: 15px;
  line-height: 1.8;
  border-top: 1px dashed var(--border);
  padding-top: 18px;
  margin-top: 2px;
}

/* ===== CTA ===== */
.cta-section {
  padding: 80px 0;
  background-image: linear-gradient(rgba(26, 42, 58, 0.92), rgba(26, 42, 58, 0.85)), url('/assets/images/backpic/back-3.png');
  background-size: cover;
  background-position: center;
  position: relative;
}
.cta-box {
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}
.cta-box h2 {
  font-size: 32px;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}
.cta-box p {
  font-size: 17px;
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.7;
  margin-bottom: 32px;
}
.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--primary);
  color: rgba(255, 255, 255, 0.7);
  padding: 64px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1.5fr;
  gap: 48px;
  padding-bottom: 48px;
}
.footer-brand .footer-logo {
  font-size: 24px;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 14px;
  letter-spacing: 0.01em;
}
.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.6);
  max-width: 320px;
}
.footer-nav h4,
.footer-contact h4 {
  font-size: 16px;
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 18px;
  padding-bottom: 10px;
  position: relative;
}
.footer-nav h4::after,
.footer-contact h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 28px;
  height: 2px;
  background: var(--accent);
}
.footer-nav ul li {
  margin-bottom: 10px;
}
.footer-nav ul li a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.footer-nav ul li a:hover {
  color: var(--accent);
  padding-left: 8px;
}
.footer-contact p {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.6);
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 22px 0;
  text-align: center;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .related-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .article-layout {
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: 30px;
  }
  .article-body {
    padding: 32px;
  }
  .article-hero h1 {
    font-size: 34px;
  }
}

@media (max-width: 768px) {
  .header-inner {
    min-height: 64px;
    flex-wrap: wrap;
    gap: 10px;
    padding-top: 10px;
    padding-bottom: 10px;
  }
  .logo-main {
    font-size: 20px;
  }
  .search-box {
    width: 100%;
    order: 3;
  }
  .header-btn {
    padding: 9px 16px;
    font-size: 13px;
  }
  .channel-list {
    min-height: 46px;
  }
  .channel-link {
    padding: 8px 16px;
    font-size: 14px;
  }
  .article-layout {
    grid-template-columns: 1fr;
  }
  .article-side {
    position: static;
    flex-direction: row;
    flex-wrap: wrap;
  }
  .side-card {
    flex: 1 1 calc(50% - 12px);
    min-width: 200px;
  }
  .article-hero {
    padding: 48px 0 56px;
  }
  .article-hero h1 {
    font-size: 28px;
  }
  .article-desc {
    font-size: 15px;
  }
  .article-body {
    padding: 26px 22px;
  }
  .article-content {
    font-size: 16px;
  }
  .article-content h2 {
    font-size: 22px;
  }
  .related-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
  .related-info {
    padding: 16px;
  }
  .related-info h3 {
    font-size: 15px;
  }
  .cta-box h2 {
    font-size: 26px;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
  .footer-brand {
    grid-column: 1 / -1;
  }
  .faq-question {
    font-size: 15px;
    padding: 18px 20px;
  }
  .faq-answer p {
    padding-left: 20px;
    padding-right: 20px;
  }
}

@media (max-width: 520px) {
  .container {
    padding: 0 16px;
  }
  .header-btn {
    font-size: 0;
    padding: 9px 12px;
  }
  .header-btn i {
    font-size: 16px;
    margin: 0;
  }
  .logo-main {
    font-size: 18px;
  }
  .logo-sub {
    font-size: 10px;
    letter-spacing: 0.2em;
  }
  .article-hero h1 {
    font-size: 24px;
  }
  .article-hero {
    padding: 36px 0 44px;
  }
  .article-cat {
    font-size: 12px;
    padding: 4px 14px;
  }
  .related-grid {
    grid-template-columns: 1fr;
  }
  .section-heading {
    font-size: 24px;
  }
  .cta-box h2 {
    font-size: 22px;
  }
  .cta-buttons .btn-primary,
  .cta-buttons .btn-outline-light {
    padding: 12px 24px;
    font-size: 14px;
  }
  .side-card {
    flex: 1 1 100%;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .footer-brand {
    grid-column: auto;
  }
  .related-info p {
    display: none;
  }
}

/* roulang page: category2 */
:root{
  --primary:#0f766e;
  --primary-dark:#0b5d57;
  --primary-light:#14b8a6;
  --accent:#f59e0b;
  --accent-light:#fbbf24;
  --bg:#f8fafc;
  --bg-soft:#f1f5f9;
  --white:#ffffff;
  --text:#0f172a;
  --text-body:#334155;
  --text-muted:#64748b;
  --border:#e2e8f0;
  --border-light:#f1f5f9;
  --radius-sm:8px;
  --radius-md:14px;
  --radius-lg:22px;
  --radius-xl:30px;
  --shadow-sm:0 2px 8px rgba(15,23,42,.06);
  --shadow-md:0 8px 30px rgba(15,23,42,.08);
  --shadow-lg:0 20px 50px rgba(15,23,42,.12);
  --transition:all .25s ease;
  --spacing-section:90px;
  --container:1240px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;line-height:1.7;color:var(--text-body);background:var(--bg);-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{text-decoration:none;color:inherit;transition:var(--transition)}
ul,ol{list-style:none}
button,input,textarea{font-family:inherit;font-size:inherit;outline:none;border:none}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:var(--spacing-section) 0}
.section-head{margin-bottom:48px}
.section-kicker{display:inline-flex;align-items:center;gap:8px;background:rgba(20,184,166,.1);color:var(--primary);font-size:13px;font-weight:700;letter-spacing:2px;padding:6px 18px;border-radius:100px;text-transform:uppercase;margin-bottom:14px}
.section-title{font-size:2.2rem;font-weight:800;color:var(--text);line-height:1.3;letter-spacing:-1px}
.section-desc{font-size:1.05rem;color:var(--text-muted);margin-top:12px;max-width:680px;line-height:1.8}
.section-title em{font-style:normal;background:linear-gradient(120deg,var(--primary-light),var(--primary));-webkit-background-clip:text;-webkit-text-fill-color:transparent}

/* ====== Header ====== */
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.96);backdrop-filter:blur(12px);border-bottom:1px solid var(--border-light);box-shadow:0 2px 20px rgba(15,23,42,.04)}
.header-top{background:linear-gradient(135deg,var(--primary-dark),var(--primary));color:#fff}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:14px 24px;max-width:var(--container);margin:0 auto}
.logo{display:flex;align-items:baseline;gap:12px;color:#fff;text-decoration:none}
.logo-main{font-size:1.4rem;font-weight:800;letter-spacing:.5px}
.logo-sub{font-size:.85rem;opacity:.75;letter-spacing:3px;font-weight:300}
.header-actions{display:flex;align-items:center;gap:16px}
.search-box{display:flex;align-items:center;background:rgba(255,255,255,.18);border-radius:100px;padding:6px 6px 6px 18px;gap:8px;border:1px solid rgba(255,255,255,.12)}
.search-box input{background:transparent;border:none;color:#fff;width:220px;font-size:.85rem;outline:none}
.search-box input::placeholder{color:rgba(255,255,255,.6)}
.search-box button{background:rgba(255,255,255,.25);color:#fff;width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:var(--transition)}
.search-box button:hover{background:rgba(255,255,255,.4)}
.header-btn{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.2);color:#fff;padding:8px 18px;border-radius:100px;font-size:.85rem;font-weight:600;transition:var(--transition)}
.header-btn:hover{background:rgba(255,255,255,.28);transform:translateY(-1px)}
.channel-nav{background:#fff;border-bottom:1px solid var(--border-light)}
.channel-list{display:flex;align-items:center;gap:4px;padding:8px 24px;max-width:var(--container);margin:0 auto;overflow-x:auto;scrollbar-width:none}
.channel-list::-webkit-scrollbar{display:none}
.channel-link{display:flex;align-items:center;gap:6px;padding:9px 20px;color:var(--text-muted);font-weight:600;font-size:.9rem;border-radius:100px;transition:var(--transition);white-space:nowrap;border:1px solid transparent}
.channel-link:hover{color:var(--primary);background:rgba(20,184,166,.08)}
.channel-link.active{background:var(--primary);color:#fff;box-shadow:0 4px 16px rgba(15,118,110,.25)}
.channel-link i{font-size:.8rem}

/* ====== Page Hero / Banner ====== */
.page-hero{position:relative;background:linear-gradient(135deg,#0f172a 0%,#0b5d57 55%,#0f766e 100%);padding:80px 0 100px;overflow:hidden;color:#fff}
.page-hero::before{content:"";position:absolute;top:-60px;right:-40px;width:380px;height:380px;border-radius:50%;background:rgba(20,184,166,.14);filter:blur(40px)}
.page-hero::after{content:"";position:absolute;bottom:-80px;left:30%;width:320px;height:320px;border-radius:50%;background:rgba(245,158,11,.1);filter:blur(60px)}
.hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.png');background-size:cover;background-position:center;opacity:.09}
.hero-content{position:relative;z-index:2;display:flex;gap:50px;align-items:center;justify-content:space-between;flex-wrap:wrap}
.hero-title{font-size:2.8rem;font-weight:800;line-height:1.25;letter-spacing:-1.5px;margin-bottom:16px}
.hero-title span{color:var(--accent-light);position:relative}
.hero-text{font-size:1.08rem;color:rgba(255,255,255,.82);max-width:560px;margin-bottom:28px;line-height:1.9}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 30px;border-radius:100px;font-weight:700;font-size:.92rem;cursor:pointer;transition:var(--transition);border:none}
.btn-primary{background:var(--accent);color:#0f172a;box-shadow:0 8px 25px rgba(245,158,11,.3)}
.btn-primary:hover{background:var(--accent-light);transform:translateY(-2px);box-shadow:0 12px 30px rgba(245,158,11,.4)}
.btn-outline{background:transparent;border:1px solid rgba(255,255,255,.35);color:#fff}
.btn-outline:hover{background:rgba(255,255,255,.12);border-color:#fff;transform:translateY(-2px)}
.hero-stats{display:flex;gap:40px;margin-top:22px;flex-wrap:wrap}
.hero-stat .num{font-size:1.7rem;font-weight:800;color:var(--accent-light)}
.hero-stat .label{font-size:.82rem;color:rgba(255,255,255,.6);margin-top:2px}
.hero-card{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);border-radius:var(--radius-lg);padding:32px;backdrop-filter:blur(12px);max-width:380px;flex:1;min-width:260px}
.hero-card h3{font-size:1.1rem;margin-bottom:14px;font-weight:700;color:#fff;display:flex;align-items:center;gap:8px}
.hero-card h3 i{color:var(--accent-light)}
.hero-card ul li{display:flex;align-items:flex-start;gap:10px;color:rgba(255,255,255,.82);font-size:.9rem;margin-bottom:12px;line-height:1.6}
.hero-card ul li i{color:var(--accent-light);font-size:.85rem;margin-top:5px}

/* ====== Breadcrumbs ====== */
.breadcrumb-wrap{background:var(--white);border-bottom:1px solid var(--border-light);padding:14px 0}
.breadcrumb{font-size:.82rem;color:var(--text-muted);display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.breadcrumb a{color:var(--primary)}
.breadcrumb a:hover{color:var(--primary-dark)}
.breadcrumb .sep{color:#cbd5e1}

/* ====== Trust Features ====== */
.trust-features{background:var(--white)}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.trust-item{background:var(--bg-soft);border-radius:var(--radius-md);padding:32px 26px;border:1px solid var(--border-light);transition:var(--transition);position:relative;overflow:hidden}
.trust-item::after{content:"";position:absolute;width:100%;height:3px;bottom:0;left:0;background:linear-gradient(90deg,var(--primary-light),var(--primary));transform:scaleX(0);transform-origin:left;transition:transform .35s ease}
.trust-item:hover::after{transform:scaleX(1)}
.trust-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.trust-icon{display:flex;align-items:center;justify-content:center;width:54px;height:54px;border-radius:14px;font-size:1.35rem;color:#fff;margin-bottom:18px}
.ti-1{background:linear-gradient(135deg,#0ea5e9,#0284c7)}
.ti-2{background:linear-gradient(135deg,#f59e0b,#d97706)}
.ti-3{background:linear-gradient(135deg,#10b981,#059669)}
.ti-4{background:linear-gradient(135deg,#8b5cf6,#7c3aed)}
.trust-item h3{font-size:1.05rem;font-weight:700;color:var(--text);margin-bottom:10px}
.trust-item p{font-size:.88rem;color:var(--text-muted);line-height:1.7}

/* ====== Content Cards ====== */
.content-section{background:var(--bg)}
.content-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.content-card{background:var(--white);border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--border-light);box-shadow:var(--shadow-sm);transition:var(--transition);display:flex;flex-direction:column}
.content-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md)}
.card-pic{position:relative;overflow:hidden;aspect-ratio:16/10}
.card-pic img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.content-card:hover .card-pic img{transform:scale(1.05)}
.card-pic .tag{position:absolute;top:14px;left:14px;background:rgba(255,255,255,.92);color:var(--primary);font-size:.75rem;font-weight:700;padding:5px 14px;border-radius:100px;backdrop-filter:blur(6px)}
.card-body{padding:24px 24px 26px;display:flex;flex-direction:column;flex:1}
.card-meta{display:flex;align-items:center;gap:14px;font-size:.78rem;color:var(--text-muted);margin-bottom:12px}
.card-meta span{display:flex;align-items:center;gap:5px}
.card-meta i{color:var(--primary-light)}
.card-body h3{font-size:1.08rem;font-weight:700;color:var(--text);line-height:1.55;margin-bottom:10px;-webkit-line-clamp:2;display:-webkit-box;-webkit-box-orient:vertical;overflow:hidden}
.card-body h3:hover{color:var(--primary)}
.card-body p{font-size:.87rem;color:var(--text-muted);line-height:1.7;margin-bottom:18px;-webkit-line-clamp:3;display:-webkit-box;-webkit-box-orient:vertical;overflow:hidden}
.card-link{margin-top:auto;display:inline-flex;align-items:center;gap:6px;font-size:.85rem;font-weight:700;color:var(--primary)}
.card-link:hover{gap:10px;color:var(--primary-dark)}

/* ====== Service Process ====== */
.process-section{background:var(--white)}
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;position:relative}
.process-grid::before{content:"";position:absolute;top:40px;left:12%;right:12%;height:2px;background:linear-gradient(90deg,rgba(20,184,166,.1),rgba(20,184,166,.4),rgba(245,158,11,.3));z-index:1}
.process-item{text-align:center;position:relative;z-index:2;padding:0 10px}
.process-num{display:flex;align-items:center;justify-content:center;width:80px;height:80px;margin:0 auto 20px;border-radius:50%;font-size:1.5rem;font-weight:800;color:#fff;background:linear-gradient(135deg,var(--primary),var(--primary-dark));box-shadow:0 10px 30px rgba(15,118,110,.3);border:4px solid #fff}
.process-item:nth-child(2) .process-num{background:linear-gradient(135deg,#0ea5e9,#0284c7);box-shadow:0 10px 30px rgba(14,165,233,.3)}
.process-item:nth-child(3) .process-num{background:linear-gradient(135deg,#f59e0b,#d97706);box-shadow:0 10px 30px rgba(245,158,11,.3)}
.process-item:nth-child(4) .process-num{background:linear-gradient(135deg,#8b5cf6,#7c3aed);box-shadow:0 10px 30px rgba(139,92,246,.3)}
.process-item h3{font-size:1rem;font-weight:700;color:var(--text);margin-bottom:8px}
.process-item p{font-size:.85rem;color:var(--text-muted);line-height:1.7}

/* ====== Service Promise ====== */
.promise-section{position:relative;background:#0f172a;color:#fff;overflow:hidden}
.promise-section::before{content:"";position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center;opacity:.1}
.promise-wrap{position:relative;z-index:2}
.promise-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.promise-item{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius-md);padding:30px;transition:var(--transition)}
.promise-item:hover{background:rgba(255,255,255,.1);transform:translateY(-4px)}
.promise-icon{width:46px;height:46px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:1.1rem;color:var(--accent-light);background:rgba(245,158,11,.12);margin-bottom:16px}
.promise-item h3{font-size:1rem;font-weight:700;margin-bottom:8px;color:#fff}
.promise-item p{font-size:.85rem;color:rgba(255,255,255,.72);line-height:1.7}

/* ====== Hot Topics / List ====== */
.topics-section{background:var(--bg)}
.topic-wrap{display:grid;grid-template-columns:1.4fr 1fr;gap:36px}
.topic-main{background:var(--white);border-radius:var(--radius-lg);padding:34px;border:1px solid var(--border-light);box-shadow:var(--shadow-sm)}
.topic-main h3{font-size:1.2rem;font-weight:800;color:var(--text);margin-bottom:4px}
.topic-sec{display:flex;justify-content:space-between;align-items:center;margin-bottom:22px;padding-bottom:16px;border-bottom:1px solid var(--border-light)}
.topic-list li{display:flex;align-items:center;gap:16px;padding:16px 0;border-bottom:1px solid var(--border-light);transition:var(--transition)}
.topic-list li:last-child{border-bottom:none}
.topic-list li:hover{background:var(--bg-soft);padding-left:10px;border-radius:8px}
.topic-list .rank{font-size:1rem;font-weight:800;color:var(--primary);width:28px;text-align:center}
.topic-list .rank.r1{color:#f59e0b}
.topic-list .rank.r2{color:#0ea5e9}
.topic-list .rank.r3{color:#10b981}
.topic-list .t-info{flex:1}
.topic-list .t-info h4{font-size:.95rem;font-weight:600;color:var(--text);margin-bottom:2px;line-height:1.5}
.topic-list .t-info span{font-size:.8rem;color:var(--text-muted)}
.topic-list .badge{font-size:.72rem;padding:4px 12px;border-radius:100px;font-weight:600;background:rgba(20,184,166,.1);color:var(--primary)}
.topic-side{display:flex;flex-direction:column;gap:24px}
.side-card{background:var(--white);border-radius:var(--radius-md);padding:28px;border:1px solid var(--border-light);box-shadow:var(--shadow-sm)}
.side-card h4{font-size:.95rem;font-weight:800;color:var(--text);margin-bottom:16px;padding-bottom:12px;border-bottom:2px solid var(--primary);display:inline-block}
.side-tags{display:flex;flex-wrap:wrap;gap:8px}
.side-tags .tag{font-size:.8rem;padding:6px 14px;border-radius:100px;background:var(--bg-soft);color:var(--text-body);cursor:pointer;transition:var(--transition);border:1px solid var(--border-light)}
.side-tags .tag:hover{background:var(--primary);color:#fff;border-color:var(--primary)}
.side-service li{display:flex;align-items:flex-start;gap:10px;padding:10px 0;border-bottom:1px dashed var(--border);font-size:.88rem;color:var(--text-body)}
.side-service li:last-child{border-bottom:none}
.side-service i{color:var(--primary-light);font-size:.8rem;margin-top:5px}
.side-service b{color:var(--primary)}

/* ====== User Feedback ====== */
.feedback-section{background:var(--white)}
.feedback-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.feedback-card{background:var(--bg-soft);border-radius:var(--radius-md);padding:28px;border:1px solid var(--border-light);transition:var(--transition)}
.feedback-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.feedback-stars{color:var(--accent);font-size:.85rem;margin-bottom:12px;letter-spacing:2px}
.feedback-card p{font-size:.88rem;color:var(--text-body);line-height:1.8;font-style:italic;margin-bottom:16px}
.feedback-user{display:flex;align-items:center;gap:12px}
.fb-avatar{width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:.85rem}
.fb-1{background:linear-gradient(135deg,#0ea5e9,#0284c7)}
.fb-2{background:linear-gradient(135deg,#f59e0b,#d97706)}
.fb-3{background:linear-gradient(135deg,#8b5cf6,#7c3aed)}
.feedback-user strong{display:block;font-size:.85rem;color:var(--text)}
.feedback-user span{font-size:.76rem;color:var(--text-muted)}

/* ====== FAQ ====== */
.faq-section{background:var(--bg)}
.faq-list{max-width:860px;margin:0 auto}
.faq-item{background:var(--white);border-radius:var(--radius-md);margin-bottom:14px;border:1px solid var(--border-light);overflow:hidden;transition:var(--transition)}
.faq-item:hover{border-color:rgba(20,184,166,.3)}
.faq-question{display:flex;align-items:center;justify-content:space-between;padding:24px 30px;cursor:pointer;font-weight:700;font-size:1rem;color:var(--text);transition:var(--transition)}
.faq-question i{color:var(--primary);transition:transform .3s ease;font-size:.95rem}
.faq-item.active .faq-question i{transform:rotate(180deg)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .4s ease;padding:0 30px}
.faq-item.active .faq-answer{max-height:240px;padding-bottom:22px}
.faq-answer p{font-size:.9rem;color:var(--text-muted);line-height:1.8}

/* ====== CTA ====== */
.cta-section{position:relative;background:linear-gradient(135deg,var(--primary-dark),var(--primary));padding:70px 0;overflow:hidden}
.cta-section::before{content:"";position:absolute;inset:0;background-image:url('/assets/images/backpic/back-3.png');background-size:cover;background-position:center;opacity:.1}
.cta-wrap{text-align:center;position:relative;z-index:2}
.cta-wrap h2{font-size:2.1rem;font-weight:800;color:#fff;margin-bottom:12px;letter-spacing:-1px}
.cta-wrap p{color:rgba(255,255,255,.82);max-width:620px;margin:0 auto 30px;font-size:1rem;line-height:1.8}
.cta-btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.btn-white{background:#fff;color:var(--primary);box-shadow:0 8px 25px rgba(0,0,0,.15)}
.btn-white:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(0,0,0,.2);background:var(--accent-light)}
.btn-ghost{background:transparent;border:1px solid rgba(255,255,255,.4);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.1);transform:translateY(-2px)}

/* ====== Contact / Form ====== */
.contact-section{background:var(--bg)}
.contact-wrap{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:start}
.contact-info h3{font-size:1.1rem;font-weight:800;color:var(--text);margin-bottom:18px}
.contact-info p{font-size:.88rem;color:var(--text-muted);line-height:1.8;margin-bottom:24px}
.contact-methods{display:flex;flex-direction:column;gap:14px}
.method-item{display:flex;align-items:center;gap:14px;background:var(--white);padding:16px 20px;border-radius:var(--radius-sm);border:1px solid var(--border-light)}
.method-icon{width:42px;height:42px;border-radius:10px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:1rem;background:var(--primary);flex-shrink:0}
.method-item h4{font-size:.9rem;font-weight:700;color:var(--text)}
.method-item p{font-size:.8rem;color:var(--text-muted);margin:0}
.contact-form{background:var(--white);border-radius:var(--radius-lg);padding:38px;border:1px solid var(--border-light);box-shadow:var(--shadow-md)}
.form-group{margin-bottom:20px}
.form-group label{display:block;font-size:.85rem;font-weight:700;color:var(--text);margin-bottom:8px}
.form-group input,.form-group textarea{width:100%;padding:13px 18px;border-radius:10px;background:var(--bg-soft);border:1px solid var(--border);font-size:.9rem;transition:var(--transition);color:var(--text)}
.form-group input:focus,.form-group textarea:focus{background:var(--white);border-color:var(--primary-light);box-shadow:0 0 0 3px rgba(20,184,166,.12)}
.form-group textarea{resize:vertical;min-height:110px}
.form-submit{width:100%;justify-content:center;background:var(--primary);color:#fff;box-shadow:0 8px 20px rgba(15,118,110,.25)}
.form-submit:hover{background:var(--primary-dark);transform:translateY(-2px)}

/* ====== Footer ====== */
.site-footer{background:#0f172a;color:#94a3b8;padding:60px 0 0;font-size:.88rem}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1.5fr;gap:50px;padding-bottom:45px}
.footer-logo{font-size:1.3rem;font-weight:800;color:#fff;margin-bottom:12px}
.footer-brand p{line-height:1.8;max-width:340px}
.footer-nav h4,.footer-contact h4{color:#fff;font-size:.95rem;font-weight:700;margin-bottom:16px}
.footer-nav ul li{margin-bottom:10px}
.footer-nav ul li a{color:#94a3b8;display:inline-flex;align-items:center;gap:5px}
.footer-nav ul li a:hover{color:var(--accent-light)}
.footer-nav ul li a i{font-size:.7rem}
.footer-contact p{line-height:1.8}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:20px 0;text-align:center;font-size:.8rem;color:#64748b}

/* ====== Responsive ====== */
@media(max-width:1024px){
  :root{--spacing-section:60px}
  .trust-grid{grid-template-columns:repeat(2,1fr)}
  .content-grid{grid-template-columns:repeat(2,1fr)}
  .process-grid{grid-template-columns:repeat(2,1fr);gap:40px}
  .process-grid::before{display:none}
  .promise-grid{grid-template-columns:repeat(2,1fr)}
  .topic-wrap{grid-template-columns:1fr}
}
@media(max-width:768px){
  .section-title{font-size:1.7rem}
  .hero-title{font-size:2rem}
  .header-inner{flex-direction:column;gap:12px}
  .search-box input{width:160px}
  .hero-content{gap:30px}
  .hero-card{max-width:100%}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .contact-wrap{grid-template-columns:1fr}
  .feedback-grid{grid-template-columns:1fr}
  .content-grid{grid-template-columns:1fr}
  .header-actions{width:100%;justify-content:space-between}
}
@media(max-width:520px){
  :root{--spacing-section:48px}
  .container{padding:0 16px}
  .trust-grid{grid-template-columns:1fr}
  .promise-grid{grid-template-columns:1fr}
  .process-grid{grid-template-columns:1fr}
  .channel-link{padding:8px 14px;font-size:.82rem}
  .header-btn span{display:none}
  .hero-actions .btn{width:100%;justify-content:center}
}