/* roulang page: index */
:root {
  --primary: #0F3D3E;
  --primary-light: #1A5052;
  --accent: #C3932B;
  --accent-dark: #A87E1F;
  --bg: #F6F5F0;
  --card-bg: #FFFFFF;
  --text: #1B1D1C;
  --text-body: #4A4F4D;
  --text-muted: #8A9090;
  --border: #E5E7E4;
  --light-green: #E3ECEC;
  --success: #2E8B57;
  --warning: #D97706;
  --error: #C0392B;
  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 16px;
  --shadow: 0 2px 12px rgba(27,29,28,0.06);
  --shadow-hover: 0 8px 24px rgba(27,29,28,0.10);
  --transition: 0.2s ease;
  --max-width: 1200px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "HarmonyOS Sans SC", "Source Han Sans SC", "Noto Sans CJK SC", "Microsoft YaHei", sans-serif;
  font-size: 16px; line-height: 1.75; color: var(--text-body); background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, textarea { font-family: inherit; }
ul, ol { list-style: none; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 2px; }
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 48px; padding: 0 28px; border-radius: var(--radius-sm);
  font-size: 15px; font-weight: 600; letter-spacing: 0.02em;
  transition: all 0.2s ease; white-space: nowrap;
}
.btn-primary { background: var(--accent); color: #1B1D1C; border: 1px solid transparent; }
.btn-primary:hover { background: var(--accent-dark); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(195,147,43,0.3); }
.btn-primary:active { transform: translateY(0); box-shadow: none; }
.btn-ghost { background: transparent; color: #FFFFFF; border: 1px solid rgba(255,255,255,0.6); }
.btn-ghost:hover { background: rgba(255,255,255,0.1); border-color: #FFFFFF; }
.btn-ghost:active { transform: translateY(0); background: rgba(255,255,255,0.05); }
.btn-lg { height: 54px; padding: 0 36px; font-size: 16px; }
.badge {
  display: inline-block; padding: 2px 12px; border-radius: 999px;
  font-size: 12px; font-weight: 600; color: var(--primary);
  background: var(--light-green); letter-spacing: 0.02em;
}
.section-head { text-align: center; max-width: 640px; margin: 0 auto 56px; }
.section-head h2 { font-size: 32px; font-weight: 700; color: var(--text); line-height: 1.3; letter-spacing: -0.01em; margin-bottom: 12px; }
.section-head p { font-size: 16px; color: var(--text-muted); line-height: 1.6; }
.section-head--row { display: flex; align-items: flex-end; justify-content: space-between; max-width: 100%; margin-bottom: 40px; text-align: left; }
.section-head--row .section-title { margin-bottom: 0; }
.view-all { display: inline-flex; align-items: center; gap: 6px; font-size: 14px; font-weight: 600; color: var(--primary); transition: gap 0.2s ease; }
.view-all:hover { gap: 10px; }
.view-all i { font-size: 13px; }

/* ---------- Header ---------- */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(15,61,62,0.96);
  backdrop-filter: blur(8px);
  transition: box-shadow 0.3s ease, background 0.3s ease;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.site-header.scrolled { box-shadow: 0 4px 20px rgba(0,0,0,0.15); background: rgba(15,61,62,0.98); }
.header-inner { display: flex; flex-direction: column; }
.header-brand-row { display: flex; align-items: center; justify-content: space-between; height: 60px; }
.brand { display: inline-flex; align-items: center; gap: 10px; flex-shrink: 0; }
.brand-icon {
  width: 34px; height: 34px; border-radius: 8px; display: flex; align-items: center; justify-content: center;
  background: var(--accent); color: #1B1D1C; font-size: 16px;
}
.brand-text { font-size: 18px; font-weight: 700; color: #FFFFFF; letter-spacing: 0.01em; }
.header-tools { display: flex; align-items: center; gap: 12px; }
.search-form { position: relative; display: flex; align-items: center; }
.search-form input {
  width: 200px; height: 36px; border: 1px solid rgba(255,255,255,0.2); border-radius: 999px;
  background: rgba(255,255,255,0.08); color: #FFFFFF; font-size: 13px;
  padding: 0 36px 0 14px; transition: border-color 0.2s, background 0.2s;
}
.search-form input::placeholder { color: rgba(255,255,255,0.5); }
.search-form input:focus { outline: none; border-color: var(--accent); background: rgba(255,255,255,0.12); }
.search-form button {
  position: absolute; right: 4px; width: 28px; height: 28px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,0.6); font-size: 13px; transition: color 0.2s;
}
.search-form button:hover { color: var(--accent); }
.nav-toggle { display: none; width: 36px; height: 36px; border-radius: 8px; color: #FFFFFF; font-size: 18px; align-items: center; justify-content: center; }
.nav-toggle:hover { background: rgba(255,255,255,0.1); }
.nav-channels { display: flex; align-items: center; justify-content: space-between; border-top: 1px solid rgba(255,255,255,0.08); min-height: 44px; gap: 16px; }
.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-link {
  display: inline-block; padding: 8px 16px; font-size: 14px; font-weight: 500;
  color: rgba(255,255,255,0.75); border-radius: 6px; transition: color 0.2s, background 0.2s;
  position: relative;
}
.nav-link:hover { color: #FFFFFF; background: rgba(255,255,255,0.06); }
.nav-link.active { color: #FFFFFF; font-weight: 600; }
.nav-link.active::after {
  content: ""; position: absolute; left: 16px; right: 16px; bottom: 2px; height: 2px;
  background: var(--accent); border-radius: 2px;
}
.nav-hotwords { display: flex; align-items: center; gap: 6px; }
.hot-label { font-size: 12px; color: rgba(255,255,255,0.4); }
.hot-tag {
  font-size: 12px; padding: 3px 12px; border-radius: 999px;
  background: rgba(255,255,255,0.08); color: rgba(255,255,255,0.8);
  border: 1px solid rgba(255,255,255,0.1); transition: background 0.2s, color 0.2s;
}
.hot-tag:hover { background: var(--accent); color: #1B1D1C; border-color: var(--accent); }

/* ---------- Hero ---------- */
.hero {
  position: relative; min-height: 75vh; display: flex; flex-direction: column; justify-content: center;
  background: var(--primary);
  background-image: url('/assets/images/backpic/back-1.png');
  background-size: cover; background-position: center;
  padding: 160px 0 0;
}
.hero::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(120deg, rgba(15,61,62,0.95) 0%, rgba(15,61,62,0.82) 60%, rgba(15,61,62,0.65) 100%);
  z-index: 1;
}
.hero::after {
  content: ""; position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 48px 48px;
}
.hero .container { position: relative; z-index: 2; width: 100%; }
.hero-content { max-width: 640px; padding: 60px 0 80px; }
.hero-content h1 {
  font-size: 52px; font-weight: 700; color: #FFFFFF; line-height: 1.2;
  letter-spacing: -0.02em; margin-bottom: 20px;
}
.hero-content h1 .accent-text { color: var(--accent); }
.hero-sub { font-size: 18px; line-height: 1.8; color: rgba(255,255,255,0.85); margin-bottom: 36px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-trustbar {
  position: relative; z-index: 2; border-top: 1px solid rgba(255,255,255,0.1);
  background: rgba(0,0,0,0.18);
}
.trustbar-inner { display: flex; align-items: center; gap: 0; min-height: 68px; }
.trust-item {
  display: flex; align-items: center; gap: 10px; padding: 0 32px;
  font-size: 14px; color: rgba(255,255,255,0.9); font-weight: 500;
  border-right: 1px solid rgba(255,255,255,0.1); flex: 1; justify-content: center;
}
.trust-item:first-child { padding-left: 0; }
.trust-item:last-child { border-right: none; padding-right: 0; }
.trust-item i { color: var(--accent); font-size: 18px; }

/* ---------- Features ---------- */
.features { padding: 96px 0; background: var(--card-bg); }
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.feature-card { border-radius: var(--radius); padding: 32px; border: 1px solid var(--border); background: var(--card-bg); box-shadow: var(--shadow); transition: transform 0.2s ease, box-shadow 0.2s ease; }
.feature-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-hover); }
.feature-card--horizontal { display: flex; gap: 20px; }
.feature-card--horizontal .feature-icon { flex-shrink: 0; width: 48px; height: 48px; border-radius: 12px; background: var(--light-green); display: flex; align-items: center; justify-content: center; color: var(--primary); font-size: 20px; }
.feature-card--horizontal .feature-body { display: flex; flex-direction: column; }
.feature-card--vertical { text-align: center; display: flex; flex-direction: column; align-items: center; padding-top: 36px; border-top: 3px solid var(--accent); }
.feature-card--vertical .feature-icon { width: 56px; height: 56px; border-radius: 50%; background: var(--light-green); display: flex; align-items: center; justify-content: center; color: var(--primary); font-size: 22px; margin-bottom: 16px; transition: color 0.2s, background 0.2s; }
.feature-card--vertical:hover .feature-icon { background: var(--primary); color: var(--accent); }
.feature-card--dark { background: var(--primary); border-color: var(--primary); color: rgba(255,255,255,0.8); }
.feature-card--dark .feature-icon { width: 48px; height: 48px; border-radius: 12px; background: rgba(255,255,255,0.1); color: var(--accent); display: flex; align-items: center; justify-content: center; font-size: 20px; margin-bottom: 20px; }
.feature-card h3 { font-size: 18px; font-weight: 600; color: var(--text); margin-bottom: 8px; }
.feature-card--dark h3 { color: #FFFFFF; }
.feature-card p { font-size: 14px; line-height: 1.7; color: var(--text-muted); margin-bottom: 14px; }
.feature-card--dark p { color: rgba(255,255,255,0.7); }
.feature-link { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; font-weight: 600; color: var(--primary); transition: gap 0.2s ease; }
.feature-link:hover { gap: 10px; }
.feature-card--dark .feature-link { color: var(--accent); }

/* ---------- Scenario ---------- */
.scenario { padding: 96px 0; background: var(--bg); }
.scenario-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.scenario-media { position: relative; }
.scenario-media img { width: 100%; border-radius: var(--radius-lg); box-shadow: 0 16px 48px rgba(27,29,28,0.12); border: 1px solid var(--border); }
.floating-tag {
  position: absolute; background: #FFFFFF; border-radius: 10px; box-shadow: 0 8px 24px rgba(27,29,28,0.1);
  padding: 8px 14px; font-size: 13px; font-weight: 600; color: var(--text); display: flex; align-items: center; gap: 6px;
}
.floating-tag i { color: var(--success); }
.floating-tag--1 { top: 20px; right: -10px; }
.floating-tag--2 { bottom: 30px; left: -10px; }
.floating-tag--2 i { color: var(--primary); }
.scenario-content { padding-right: 24px; }
.scenario-content h2 { font-size: 32px; font-weight: 700; color: var(--text); line-height: 1.3; margin-bottom: 16px; letter-spacing: -0.01em; }
.scenario-desc { font-size: 16px; color: var(--text-muted); margin-bottom: 36px; }
.scenario-points { display: flex; flex-direction: column; gap: 24px; }
.point-item { display: flex; gap: 20px; align-items: flex-start; }
.point-num { font-size: 20px; font-weight: 700; color: var(--primary); line-height: 1.2; min-width: 32px; }
.point-item h3 { font-size: 16px; font-weight: 600; color: var(--text); margin-bottom: 4px; }
.point-item p { font-size: 14px; color: var(--text-muted); line-height: 1.6; }

/* ---------- Testimonials ---------- */
.testimonials { padding: 96px 0; background: var(--card-bg); }
.testimonial-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.testimonial-card {
  border-radius: var(--radius); padding: 28px; background: var(--card-bg);
  border: 1px solid var(--border); box-shadow: var(--shadow);
  transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
  display: flex; flex-direction: column; gap: 16px;
}
.testimonial-card:hover { border-color: rgba(15,61,62,0.3); transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.testimonial-avatar { display: flex; align-items: center; gap: 12px; }
.avatar-circle { width: 40px; height: 40px; border-radius: 50%; background: var(--light-green); display: flex; align-items: center; justify-content: center; color: var(--primary); font-weight: 700; font-size: 14px; flex-shrink: 0; }
.testimonial-avatar .avatar-name { font-size: 14px; font-weight: 600; color: var(--text); line-height: 1.3; }
.testimonial-avatar .avatar-role { font-size: 12px; color: var(--text-muted); }
.testimonial-card p { font-size: 14px; color: var(--text-body); line-height: 1.7; }
.testimonial-card .stars { color: var(--accent); font-size: 12px; display: flex; gap: 4px; }

/* ---------- News ---------- */
.news { padding: 96px 0; background: var(--bg); }
.news-grid { display: grid; grid-template-columns: 4fr 8fr; gap: 32px; }
.news-feature {
  border-radius: var(--radius); overflow: hidden; background: var(--card-bg);
  border: 1px solid var(--border); box-shadow: var(--shadow); display: flex; flex-direction: column;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}
.news-feature:hover { box-shadow: var(--shadow-hover); transform: translateY(-2px); }
.news-feature__thumb { position: relative; overflow: hidden; aspect-ratio: 16 / 10; background: var(--light-green); }
.news-feature__thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.news-feature:hover .news-feature__thumb img { transform: scale(1.03); }
.news-feature__body { padding: 24px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.news-feature__body h3 { font-size: 20px; font-weight: 600; color: var(--text); line-height: 1.4; transition: color 0.2s; }
.news-feature__body h3:hover { color: var(--primary); }
.news-feature__body p { font-size: 14px; color: var(--text-muted); line-height: 1.7; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-feature__body time { font-size: 12px; color: var(--text-muted); }
.news-list { display: flex; flex-direction: column; gap: 0; }
.news-item {
  display: grid; grid-template-columns: auto 1fr auto; gap: 16px; align-items: center;
  padding: 20px 0; border-bottom: 1px solid var(--border); transition: background 0.2s;
}
.news-item:last-child { border-bottom: none; }
.news-item:hover { background: rgba(227,236,236,0.3); }
.news-item__body h4 { font-size: 16px; font-weight: 600; color: var(--text); line-height: 1.4; margin-bottom: 4px; transition: color 0.2s; }
.news-item__body h4:hover { color: var(--primary); }
.news-item__body p { font-size: 13px; color: var(--text-muted); line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden; }
.news-item time { font-size: 12px; color: var(--text-muted); white-space: nowrap; }
.news-empty { grid-column: 1 / -1; padding: 60px 0; text-align: center; color: var(--text-muted); font-size: 14px; background: var(--card-bg); border-radius: var(--radius); border: 1px dashed var(--border); }

/* ---------- FAQ ---------- */
.faq { padding: 96px 0; background: var(--light-green); }
.faq-list { max-width: 820px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item { background: var(--card-bg); border-radius: var(--radius); border: 1px solid var(--border); overflow: hidden; transition: box-shadow 0.2s ease; }
.faq-item.active { box-shadow: var(--shadow); border-color: rgba(15,61,62,0.2); }
.faq-question {
  width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 20px 24px; font-size: 16px; font-weight: 600; color: var(--text); text-align: left;
  transition: background 0.2s;
}
.faq-question:hover { background: rgba(227,236,236,0.3); }
.faq-question i { font-size: 16px; color: var(--text-muted); transition: transform 0.25s ease, color 0.2s; flex-shrink: 0; }
.faq-item.active .faq-question i { transform: rotate(45deg); color: var(--accent); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.35s ease, padding 0.35s ease; padding: 0 24px; }
.faq-item.active .faq-answer { max-height: 400px; padding: 0 24px 20px; }
.faq-answer p { font-size: 14px; color: var(--text-body); line-height: 1.8; }

/* ---------- CTA ---------- */
.cta { padding: 96px 0; background: var(--primary); position: relative; overflow: hidden; }
.cta::before { content: ""; position: absolute; inset: 0; background-image: url('/assets/images/backpic/back-2.webp'); background-size: cover; background-position: center; opacity: 0.18; }
.cta::after { content: ""; position: absolute; inset: 0; background: radial-gradient(ellipse at 50% 50%, rgba(15,61,62,0.6) 0%, rgba(15,61,62,0.9) 100%); }
.cta .container { position: relative; z-index: 2; }
.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 32px; flex-wrap: wrap; }
.cta-text h2 { font-size: 32px; font-weight: 700; color: #FFFFFF; line-height: 1.3; margin-bottom: 8px; }
.cta-text p { font-size: 16px; color: rgba(255,255,255,0.8); }

/* ---------- Sticky Bar ---------- */
.sticky-bar {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 999;
  background: var(--primary); padding: 10px 0;
  display: flex; align-items: center; justify-content: space-between;
  border-top: 1px solid rgba(255,255,255,0.1);
  box-shadow: 0 -4px 20px rgba(0,0,0,0.1);
}
.sticky-bar .container { display: flex; align-items: center; justify-content: space-between; }
.sticky-bar__text { font-size: 14px; color: rgba(255,255,255,0.85); font-weight: 500; display: flex; align-items: center; gap: 8px; }
.sticky-bar__text i { color: var(--accent); }
.sticky-bar .btn { height: 38px; padding: 0 20px; font-size: 14px; }

/* ---------- Footer ---------- */
.site-footer { background: var(--primary); color: rgba(255,255,255,0.8); padding-top: 72px; padding-bottom: 120px; }
.footer-top { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; padding-bottom: 48px; border-bottom: 1px solid rgba(255,255,255,0.1); }
.footer-brand .brand-text { color: #FFFFFF; font-size: 20px; }
.footer-brand p { font-size: 13px; line-height: 1.8; color: rgba(255,255,255,0.6); margin-top: 16px; max-width: 320px; }
.footer-title { font-size: 14px; font-weight: 600; color: #FFFFFF; margin-bottom: 20px; }
.footer-links { display: flex; flex-direction: column; gap: 8px; }
.footer-links a { font-size: 13px; color: rgba(255,255,255,0.6); transition: color 0.2s; }
.footer-links a:hover { color: var(--accent); }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; padding-top: 24px; font-size: 13px; color: rgba(255,255,255,0.45); }
.footer-bottom a { color: rgba(255,255,255,0.6); }
.footer-bottom a:hover { color: var(--accent); }

/* ---------- Reveal Animations ---------- */
.reveal { opacity: 0; transform: translateY(12px); transition: opacity 0.3s ease-out, transform 0.3s ease-out; }
.reveal.revealed { opacity: 1; transform: translateY(0); }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .hero-content h1 { font-size: 42px; }
  .testimonial-grid { grid-template-columns: repeat(2, 1fr); }
  .news-grid { grid-template-columns: 1fr; }
  .news-feature { flex-direction: row; }
  .news-feature__thumb { width: 40%; aspect-ratio: auto; }
  .features-grid { grid-template-columns: 1fr; }
  .feature-card--horizontal { max-width: 100%; }
  .scenario-grid { grid-template-columns: 1fr; gap: 48px; }
  .scenario-content { padding-right: 0; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 767px) {
  .container { padding: 0 16px; }
  .search-form { display: none; }
  .nav-toggle { display: flex; }
  .nav-channels {
    display: none; flex-direction: column; align-items: stretch;
    padding-bottom: 16px; gap: 8px;
  }
  .nav-channels.open { display: flex; }
  .nav-links { flex-direction: column; gap: 0; }
  .nav-link { padding: 10px 12px; }
  .nav-link.active::after { left: 12px; right: auto; width: 3px; height: calc(100% - 20px); top: 10px; }
  .nav-hotwords { padding: 8px 12px 0; }
  .hero { padding-top: 120px; min-height: 85vh; }
  .hero-content h1 { font-size: 32px; }
  .hero-sub { font-size: 16px; }
  .hero-actions .btn { width: 100%; }
  .trustbar-inner { flex-direction: column; gap: 0; padding: 16px 0; }
  .trust-item { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.08); padding: 12px 0; width: 100%; }
  .trust-item:last-child { border-bottom: none; }
  .features-grid { gap: 16px; }
  .feature-card { padding: 24px; }
  .scenario-grid { gap: 32px; }
  .scenario-content h2 { font-size: 26px; }
  .testimonial-grid { grid-template-columns: 1fr; }
  .news-feature { flex-direction: column; }
  .news-feature__thumb { width: 100%; aspect-ratio: 16 / 10; }
  .news-item { grid-template-columns: 1fr; gap: 4px; padding: 16px 0; }
  .news-item time { font-size: 12px; }
  .section-head { margin-bottom: 32px; }
  .section-head h2 { font-size: 26px; }
  .section-head--row { flex-direction: column; align-items: flex-start; gap: 12px; }
  .faq-question { padding: 16px; font-size: 14px; }
  .faq-answer { padding: 0 16px; }
  .faq-item.active .faq-answer { padding: 0 16px 16px; }
  .cta { padding: 64px 0; }
  .cta-inner { flex-direction: column; text-align: center; }
  .cta-text h2 { font-size: 26px; }
  .sticky-bar__text { display: none; }
  .sticky-bar { justify-content: center; }
  .sticky-bar .btn { width: auto; }
  .footer-top { grid-template-columns: 1fr; gap: 24px; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
  .footer-bottom .footer-beian { order: 2; }
}
@media (max-width: 520px) {
  .hero-content h1 { font-size: 28px; }
  .hero-actions { flex-direction: column; }
  .feature-card--horizontal { flex-direction: column; }
  .feature-card--horizontal .feature-icon { margin-bottom: 8px; }
  .point-item { flex-direction: column; gap: 8px; }
  .point-num { margin-bottom: 4px; }
}

/* roulang page: category1 */
:root{
  --primary:#0F3D3E;
  --primary-dark:#0A2F30;
  --primary-light:#145253;
  --accent:#C3932B;
  --accent-hover:#A87D22;
  --bg:#F6F5F0;
  --bg-deep:#EDEDE6;
  --card:#FFFFFF;
  --title:#1B1D1C;
  --body:#4A4F4D;
  --muted:#8A9090;
  --border:#E5E7E4;
  --tint:#E3ECEC;
  --success:#2E8B57;
  --warning:#D97706;
  --danger:#C0392B;
  --white:#FFFFFF;
  --white-soft:#EDEAE2;
  --radius-lg:16px;
  --radius-md:12px;
  --radius-sm:8px;
  --radius-pill:999px;
  --shadow-sm:0 2px 12px rgba(27,29,28,0.06);
  --shadow-md:0 8px 24px rgba(27,29,28,0.10);
  --shadow-lg:0 20px 40px rgba(27,29,28,0.12);
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans CJK SC","Microsoft YaHei",sans-serif;
  --space-xl:96px;
  --space-lg:72px;
  --space-md:56px;
  --space-sm:32px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);font-size:16px;line-height:1.75;color:var(--body);background:var(--bg);-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit;transition:color .2s}
button{font-family:inherit;border:none;background:none;cursor:pointer}
input,textarea{font-family:inherit;font-size:16px}

:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

.container{max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:var(--space-xl) 0}
.section-tight{padding:var(--space-lg) 0}
.sec-head{margin-bottom:48px}
.sec-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--primary);background:var(--tint);padding:6px 16px;border-radius:var(--radius-pill);letter-spacing:.5px;margin-bottom:16px}
.sec-title{font-size:32px;font-weight:700;color:var(--title);line-height:1.3;margin-bottom:12px;letter-spacing:-.5px}
.sec-desc{font-size:16px;color:var(--body);max-width:680px;line-height:1.8}

/* ========== 按钮 ========== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;height:48px;padding:0 32px;border-radius:var(--radius-sm);font-size:15px;font-weight:600;transition:all .2s ease;white-space:nowrap;border:1px solid transparent}
.btn-accent{background:var(--accent);color:var(--white)}
.btn-accent:hover{background:var(--accent-hover);transform:translateY(-1px);box-shadow:0 8px 20px rgba(195,147,43,.25)}
.btn-accent:active{transform:translateY(1px)}
.btn-outline{background:transparent;color:var(--white);border-color:rgba(255,255,255,.65)}
.btn-outline:hover{background:rgba(255,255,255,.10);border-color:var(--white)}
.btn-primary{background:var(--primary);color:var(--white)}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-1px);box-shadow:0 8px 20px rgba(15,61,62,.2)}

/* ========== 顶部导航 ========== */
.site-header{position:sticky;top:0;z-index:1000;background:rgba(246,245,240,.92);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--border);transition:box-shadow .3s}
.site-header.scrolled{box-shadow:0 4px 20px rgba(27,29,28,.06)}
.header-inner{padding:0 24px}
.header-brand-row{display:flex;align-items:center;justify-content:space-between;height:62px;gap:24px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-icon{width:38px;height:38px;background:var(--primary);color:var(--accent);border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:16px}
.brand-text{font-size:19px;font-weight:700;color:var(--title);letter-spacing:.5px}
.header-tools{display:flex;align-items:center;gap:16px}
.search-form{display:flex;align-items:center;background:var(--card);border:1px solid var(--border);border-radius:var(--radius-pill);padding:0 6px 0 16px;height:38px;width:240px;transition:border-color .2s,box-shadow .2s}
.search-form:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(15,61,62,.08)}
.search-form input{border:none;outline:none;background:transparent;flex:1;font-size:14px;color:var(--title)}
.search-form input::placeholder{color:var(--muted)}
.search-form button{width:30px;height:30px;border-radius:50%;background:var(--tint);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:12px;transition:background .2s}
.search-form button:hover{background:var(--primary);color:var(--white)}
.nav-toggle{display:none;width:40px;height:40px;border-radius:8px;background:var(--tint);color:var(--primary);font-size:16px;align-items:center;justify-content:center}
.nav-channels{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-bottom:12px;flex-wrap:wrap}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-link{font-size:14px;font-weight:500;color:var(--body);position:relative;padding:6px 2px;transition:color .2s}
.nav-link::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--accent);transition:width .25s ease}
.nav-link:hover{color:var(--primary)}
.nav-link:hover::after{width:100%}
.nav-link.active{color:var(--primary);font-weight:600}
.nav-link.active::after{width:100%}
.nav-hotwords{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.hot-label{font-size:12px;color:var(--muted)}
.hot-tag{font-size:12px;color:var(--muted);background:var(--bg-deep);padding:3px 12px;border-radius:var(--radius-pill);transition:all .2s}
.hot-tag:hover{color:var(--accent);background:var(--tint)}

/* ========== 分类Hero ========== */
.category-hero{position:relative;background:var(--primary);padding:80px 0 0;overflow:hidden}
.category-hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center;opacity:0.18}
.category-hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(15,61,62,.5) 0%,rgba(15,61,62,.92) 100%)}
.category-hero-content{position:relative;z-index:2;padding:48px 0 72px}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.75);margin-bottom:24px}
.breadcrumb a{color:rgba(255,255,255,.75)}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb .sep{opacity:.5}
.category-hero h1{font-size:48px;font-weight:700;color:var(--white);line-height:1.25;margin-bottom:20px;letter-spacing:-1px}
.category-hero h1 span{color:var(--accent)}
.category-hero-desc{font-size:18px;line-height:1.8;color:rgba(255,255,255,.85);max-width:720px;margin-bottom:36px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}
.hero-trust{position:relative;z-index:2;display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid rgba(255,255,255,.15);margin-top:64px}
.hero-trust-item{padding:24px 20px;display:flex;align-items:center;gap:14px;border-right:1px solid rgba(255,255,255,.12)}
.hero-trust-item:last-child{border-right:none}
.hero-trust-icon{width:38px;height:38px;border-radius:10px;background:rgba(255,255,255,.12);color:var(--accent);display:flex;align-items:center;justify-content:center;font-size:15px;flex-shrink:0}
.hero-trust-text{display:flex;flex-direction:column}
.hero-trust-text strong{font-size:16px;font-weight:600;color:var(--white);line-height:1.4}
.hero-trust-text span{font-size:13px;color:rgba(255,255,255,.65);line-height:1.5}

/* ========== 快速导航信息条 ========== */
.intro-strip{background:var(--card);border-bottom:1px solid var(--border)}
.intro-strip-inner{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;padding:40px 0}
.intro-item{display:flex;gap:18px}
.intro-num{font-size:32px;font-weight:700;color:var(--tint);line-height:1;font-family:Georgia,serif}
.intro-item h3{font-size:17px;font-weight:600;color:var(--title);margin-bottom:8px}
.intro-item p{font-size:14px;line-height:1.75;color:var(--body)}

/* ========== 登录流程 ========== */
.process-section{background:var(--bg)}
.process-grid{display:grid;grid-template-columns:1fr 1.4fr;gap:72px;align-items:start}
.process-visual{position:sticky;top:120px}
.process-visual .visual-card{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-md);border:1px solid var(--border)}
.process-visual img{width:100%;height:260px;object-fit:cover}
.process-visual-caption{padding:20px 24px;background:var(--card)}
.process-visual-caption strong{display:block;font-size:16px;color:var(--title);margin-bottom:4px}
.process-visual-caption span{font-size:13px;color:var(--muted)}
.steps-list{display:flex;flex-direction:column;gap:0}
.step-item{display:flex;gap:24px;padding:24px 0;border-bottom:1px solid var(--border);position:relative}
.step-item:last-child{border-bottom:none}
.step-number{width:44px;height:44px;flex-shrink:0;border-radius:12px;background:var(--primary);color:var(--white);display:flex;align-items:center;justify-content:center;font-size:17px;font-weight:700;position:relative;z-index:2}
.step-item:nth-child(2) .step-number{background:var(--accent);color:var(--white)}
.step-content{padding-top:2px}
.step-content h3{font-size:18px;font-weight:600;color:var(--title);margin-bottom:8px}
.step-content p{font-size:14px;line-height:1.8;color:var(--body)}
.step-content .step-tag{display:inline-block;margin-top:10px;font-size:12px;background:var(--tint);color:var(--primary);padding:4px 14px;border-radius:var(--radius-pill)}

/* ========== 登录方式 ========== */
.methods-section{background:var(--card)}
.methods-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.method-card{border:1px solid var(--border);border-radius:var(--radius-md);padding:32px 24px;transition:all .25s ease;text-align:center;position:relative;overflow:hidden}
.method-card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--primary);transform:scaleX(0);transform-origin:left;transition:transform .3s ease}
.method-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(15,61,62,.25)}
.method-card:hover::before{transform:scaleX(1)}
.method-icon{width:56px;height:56px;border-radius:16px;background:var(--tint);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:20px;margin:0 auto 18px;transition:all .3s}
.method-card:hover .method-icon{background:var(--primary);color:var(--accent)}
.method-card:nth-child(3) .method-icon{background:rgba(195,147,43,.12);color:var(--accent)}
.method-card:nth-child(4) .method-icon{background:var(--primary);color:var(--white)}
.method-card h3{font-size:16px;font-weight:600;color:var(--title);margin-bottom:10px}
.method-card p{font-size:13px;color:var(--body);line-height:1.7}
.method-badge{position:absolute;top:12px;right:12px;font-size:10px;background:var(--tint);color:var(--primary);padding:3px 10px;border-radius:var(--radius-pill)}
.method-card:nth-child(4) .method-badge{background:rgba(195,147,43,.15);color:var(--accent)}

/* ========== 场景与提示区 ========== */
.tips-section{background:var(--tint)}
.tips-layout{display:grid;grid-template-columns:1fr 1fr;gap:72px;align-items:center}
.tips-image{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg)}
.tips-image img{width:100%;height:360px;object-fit:cover}
.tips-image .float-label{position:absolute;left:20px;bottom:20px;background:rgba(255,255,255,.94);border-radius:12px;padding:12px 18px;box-shadow:var(--shadow-md);display:flex;align-items:center;gap:10px}
.tips-image .float-label i{color:var(--success);font-size:18px}
.tips-image .float-label span{font-size:14px;font-weight:600;color:var(--title)}
.tips-content h2{font-size:28px;font-weight:700;color:var(--title);margin-bottom:20px;line-height:1.3}
.tips-content p{font-size:15px;line-height:1.85;color:var(--body);margin-bottom:16px}
.tips-list{display:flex;flex-direction:column;gap:14px;margin-top:24px}
.tips-list li{display:flex;align-items:flex-start;gap:12px;list-style:none;font-size:14px;line-height:1.7}
.tips-list li i{color:var(--accent);margin-top:4px;font-size:14px}
.tips-list li strong{font-weight:600;color:var(--title)}

/* ========== FAQ ========== */
.faq-section{background:var(--bg)}
.faq-wrap{max-width:860px;margin:0 auto}
.faq-item{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-md);margin-bottom:16px;overflow:hidden;transition:border-color .2s,box-shadow .2s}
.faq-item.open{border-color:rgba(15,61,62,.25);box-shadow:var(--shadow-sm)}
.faq-q{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:22px 28px;cursor:pointer;font-size:16px;font-weight:600;color:var(--title);transition:color .2s}
.faq-q:hover{color:var(--primary)}
.faq-q .faq-icon{width:30px;height:30px;flex-shrink:0;border-radius:50%;background:var(--tint);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:14px;transition:transform .25s ease,background .25s}
.faq-item.open .faq-icon{transform:rotate(45deg);background:var(--primary);color:var(--white)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a-inner{padding:0 28px 22px;font-size:14px;line-height:1.85;color:var(--body)}

/* ========== CTA ========== */
.cta-band{background:var(--primary);position:relative;padding:64px 0;overflow:hidden}
.cta-band::before{content:"";position:absolute;top:-80px;right:-80px;width:280px;height:280px;border-radius:50%;background:rgba(195,147,43,.08)}
.cta-band::after{content:"";position:absolute;bottom:-100px;left:20%;width:200px;height:200px;border-radius:50%;background:rgba(255,255,255,.04)}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap}
.cta-left h2{font-size:30px;font-weight:700;color:var(--white);margin-bottom:12px;line-height:1.3}
.cta-left p{font-size:15px;color:rgba(255,255,255,.8);max-width:500px;line-height:1.8}
.cta-right{display:flex;gap:16px;flex-wrap:wrap}

/* ========== 页脚 ========== */
.site-footer{background:var(--primary);color:rgba(255,255,255,.8);font-size:13px;line-height:1.8;padding:64px 0 24px}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:48px;padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,.12)}
.footer-brand .brand-text{color:var(--white)}
.footer-brand .brand-icon{background:rgba(255,255,255,.12)}
.footer-brand p{margin-top:16px;color:rgba(255,255,255,.65);font-size:13px;line-height:1.8;max-width:320px}
.footer-title{font-size:15px;font-weight:600;color:var(--white);margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:8px}
.footer-links a{color:rgba(255,255,255,.65);font-size:13px;transition:color .2s}
.footer-links a:hover{color:var(--accent)}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;padding-top:24px;color:rgba(255,255,255,.45);font-size:12px;flex-wrap:wrap;gap:8px}
.footer-bottom a{color:rgba(255,255,255,.65)}
.footer-bottom a:hover{color:var(--accent)}

/* ========== 底部固定转化条 ========== */
.bottom-cta{position:fixed;bottom:0;left:0;right:0;z-index:999;background:rgba(15,61,62,.96);backdrop-filter:blur(10px);height:60px;display:flex;align-items:center;justify-content:space-between;padding:0 32px;border-top:1px solid rgba(255,255,255,.1)}
.bottom-cta-left{display:flex;align-items:center;gap:12px;font-size:14px;color:rgba(255,255,255,.85)}
.bottom-cta-left i{color:var(--accent)}
.bottom-cta .btn{height:40px;padding:0 24px;font-size:14px}
body{padding-bottom:60px}

/* ========== 动效 ========== */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .3s ease-out,transform .3s ease-out}
.reveal.visible{opacity:1;transform:translateY(0)}

/* ========== 响应式 ========== */
@media(max-width:1023px){
  .category-hero h1{font-size:38px}
  .category-hero-desc{font-size:16px}
  .process-grid{grid-template-columns:1fr;gap:48px}
  .process-visual{position:static}
  .methods-grid{grid-template-columns:repeat(2,1fr)}
  .tips-layout{grid-template-columns:1fr;gap:40px}
  .tips-image img{height:280px}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px}
  .search-form{width:180px}
  .nav-links{gap:18px}
}
@media(max-width:767px){
  .container{padding:0 16px}
  :root{--space-xl:64px;--space-lg:48px;--space-md:32px}
  .site-header{padding:0}
  .header-brand-row{height:56px}
  .search-form{display:none}
  .nav-toggle{display:flex}
  .nav-channels{display:none;position:absolute;top:100%;left:0;right:0;background:var(--bg);border-bottom:1px solid var(--border);padding:16px 20px 20px;flex-direction:column;align-items:flex-start;gap:16px;box-shadow:var(--shadow-md)}
  .nav-channels.open{display:flex}
  .nav-links{flex-direction:column;align-items:flex-start;width:100%;gap:8px}
  .nav-link{font-size:15px;padding:8px 0;width:100%}
  .nav-link::after{display:none}
  .nav-hotwords{width:100%}
  .category-hero{padding:56px 0 0}
  .category-hero-content{padding:32px 0 48px}
  .category-hero h1{font-size:30px}
  .category-hero-desc{font-size:15px}
  .hero-actions{flex-direction:column;width:100%}
  .hero-actions .btn{width:100%}
  .hero-trust{grid-template-columns:1fr;margin-top:40px}
  .hero-trust-item{border-right:none;border-bottom:1px solid rgba(255,255,255,.1);padding:16px 0}
  .hero-trust-item:last-child{border-bottom:none}
  .intro-strip-inner{grid-template-columns:1fr;gap:24px;padding:32px 0}
  .methods-grid{grid-template-columns:1fr 1fr;gap:16px}
  .method-card{padding:24px 16px}
  .method-icon{width:48px;height:48px;font-size:18px}
  .sec-title{font-size:24px}
  .sec-desc{font-size:15px}
  .faq-q{padding:18px 20px;font-size:15px}
  .faq-a-inner{padding:0 20px 18px}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:20px}
  .cta-right{width:100%}
  .cta-right .btn{flex:1;justify-content:center}
  .footer-top{grid-template-columns:1fr;gap:28px;padding-bottom:32px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .bottom-cta-left span{display:none}
  .bottom-cta{padding:0 16px}
  .bottom-cta .btn{flex:1;display:flex;justify-content:center}
}
@media(max-width:520px){
  .methods-grid{grid-template-columns:1fr}
  .process-visual img{height:200px}
  .tips-image img{height:220px}
}

/* roulang page: article */
:root {
            --primary: #0F3D3E;
            --primary-dark: #0A2E2F;
            --accent: #C3932B;
            --accent-hover: #D4A43C;
            --bg: #F6F5F0;
            --card: #FFFFFF;
            --title: #1B1D1C;
            --text: #4A4F4D;
            --muted: #8A9090;
            --border: #E5E7E4;
            --light-green: #E3ECEC;
            --white: #FFFFFF;
            --success: #2E8B57;
            --warning: #D97706;
            --error: #C0392B;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-pill: 999px;
            --radius-img: 16px;
            --shadow-card: 0 2px 12px rgba(27, 29, 28, 0.06);
            --shadow-hover: 0 8px 24px rgba(27, 29, 28, 0.10);
            --container: 1200px;
            --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "HarmonyOS Sans SC", "Source Han Sans SC", "Noto Sans CJK SC", "Microsoft YaHei", sans-serif;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font);
            background: var(--bg);
            color: var(--text);
            font-size: 16px;
            line-height: 1.75;
            padding-bottom: 64px;
        }
        img {
            max-width: 100%;
            display: block;
            border-radius: var(--radius-img);
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color .2s ease, border-color .2s ease, background .2s ease;
        }
        a:hover {
            color: var(--accent);
        }
        button,
        input,
        select,
        textarea {
            font: inherit;
            border: none;
            outline: none;
        }
        ul,
        ol {
            list-style-position: inside;
        }
        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
        }
        h1,
        h2,
        h3,
        h4 {
            color: var(--title);
            font-weight: 700;
            line-height: 1.3;
        }
        .section {
            padding: 64px 0;
        }
        .section-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 24px;
            margin-bottom: 36px;
        }
        .section-title {
            font-size: 28px;
            position: relative;
            padding-bottom: 12px;
        }
        .section-title::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 44px;
            height: 3px;
            background: var(--accent);
            border-radius: 2px;
        }
        .more-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--muted);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: color .2s, gap .2s;
            white-space: nowrap;
        }
        .more-link:hover {
            color: var(--primary);
            gap: 10px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 48px;
            padding: 0 26px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: all .2s ease;
            border: 1px solid transparent;
            min-width: 120px;
            text-align: center;
        }
        .btn:active {
            transform: translateY(1px);
        }
        .btn-primary {
            background: var(--accent);
            color: var(--white);
            border-color: var(--accent);
        }
        .btn-primary:hover {
            background: var(--accent-hover);
            color: var(--white);
            border-color: var(--accent-hover);
        }
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border-color: var(--primary);
        }
        .btn-outline:hover {
            background: var(--primary);
            color: var(--white);
        }
        .btn-outline-light {
            background: transparent;
            color: var(--white);
            border-color: rgba(255, 255, 255, 0.6);
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            color: var(--white);
            border-color: var(--white);
        }
        .btn-light {
            background: var(--white);
            color: var(--primary);
            border-color: var(--white);
        }
        .btn-light:hover {
            background: var(--light-green);
            color: var(--primary);
            border-color: var(--light-green);
        }
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 14px;
            background: var(--light-green);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            border-radius: var(--radius-pill);
        }
        :focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
            border-radius: 4px;
        }
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(246, 245, 240, 0.92);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border);
            transition: box-shadow .3s ease;
        }
        .site-header.scrolled {
            box-shadow: 0 6px 20px rgba(27, 29, 28, 0.06);
        }
        .header-inner {
            padding-top: 0;
            padding-bottom: 0;
        }
        .header-brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 60px;
            gap: 20px;
        }
        .brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 19px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .brand:hover {
            color: var(--primary);
        }
        .brand-icon {
            width: 34px;
            height: 34px;
            background: var(--primary);
            color: var(--white);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 9px;
            font-size: 15px;
            flex-shrink: 0;
        }
        .brand-text {
            color: var(--primary);
        }
        .header-tools {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .search-form {
            display: flex;
            align-items: center;
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-pill);
            height: 36px;
            padding: 0 4px 0 14px;
            width: 240px;
            transition: border-color .2s, box-shadow .2s;
        }
        .search-form:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(15, 61, 62, 0.1);
        }
        .search-form input {
            flex: 1;
            border: none;
            background: transparent;
            font-size: 13px;
            color: var(--title);
            min-width: 0;
        }
        .search-form input::placeholder {
            color: var(--muted);
        }
        .search-form button {
            width: 30px;
            height: 30px;
            background: var(--light-green);
            color: var(--primary);
            border-radius: var(--radius-pill);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            transition: background .2s, color .2s;
            flex-shrink: 0;
        }
        .search-form button:hover {
            background: var(--primary);
            color: var(--white);
        }
        .nav-toggle {
            display: none;
            width: 38px;
            height: 38px;
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: 8px;
            cursor: pointer;
            color: var(--primary);
            font-size: 17px;
            align-items: center;
            justify-content: center;
            transition: background .2s, color .2s;
        }
        .nav-toggle:hover {
            background: var(--primary);
            color: var(--white);
        }
        .nav-channels {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            min-height: 44px;
            border-top: 1px solid rgba(229, 231, 228, 0.7);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .nav-link {
            position: relative;
            padding: 6px 16px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text);
            border-radius: 6px;
            transition: color .2s, background .2s;
        }
        .nav-link:hover {
            color: var(--primary);
            background: rgba(15, 61, 62, 0.05);
        }
        .nav-link.active {
            color: var(--primary);
            font-weight: 600;
        }
        .nav-link.active::after {
            content: "";
            position: absolute;
            left: 16px;
            right: 16px;
            bottom: 0;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }
        .nav-hotwords {
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }
        .hot-label {
            font-size: 12px;
            color: var(--muted);
            padding: 2px 8px;
            background: rgba(138, 144, 144, 0.1);
            border-radius: var(--radius-pill);
        }
        .hot-tag {
            font-size: 12px;
            color: var(--muted);
            padding: 3px 10px;
            border: 1px solid var(--border);
            border-radius: var(--radius-pill);
            transition: all .2s;
            background: var(--white);
        }
        .hot-tag:hover {
            color: var(--primary);
            border-color: var(--primary);
            background: var(--light-green);
        }

        @media (max-width: 991px) {
            .search-form {
                width: 180px;
            }
        }
        @media (max-width: 767px) {
            .header-brand-row {
                height: 56px;
            }
            .search-form {
                width: 44px;
                height: 36px;
                padding: 0;
                border-radius: var(--radius-pill);
                justify-content: center;
                background: var(--white);
            }
            .search-form input {
                display: none;
            }
            .search-form button {
                width: 100%;
                height: 100%;
                background: transparent;
                color: var(--primary);
                font-size: 15px;
            }
            .nav-toggle {
                display: inline-flex;
            }
            .nav-channels {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: var(--white);
                border-top: none;
                border-bottom: 1px solid var(--border);
                box-shadow: 0 12px 30px rgba(27, 29, 28, 0.12);
                padding: 12px 16px;
                flex-direction: column;
                align-items: stretch;
                gap: 0;
            }
            .nav-channels.open {
                display: block;
            }
            .nav-links {
                flex-direction: column;
                align-items: stretch;
                gap: 2px;
            }
            .nav-link {
                padding: 12px 16px;
                border-radius: 8px;
                font-size: 15px;
            }
            .nav-link.active::after {
                left: 16px;
                right: auto;
                width: 28px;
                bottom: 6px;
            }
            .nav-hotwords {
                padding: 12px 16px 6px;
                border-top: 1px solid var(--border);
                margin-top: 8px;
                flex-wrap: wrap;
            }
        }

        .page-crumb {
            background: var(--white);
            border-bottom: 1px solid var(--border);
            padding: 14px 0;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--muted);
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--muted);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: color .2s;
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .crumb-sep {
            font-size: 12px;
            color: var(--border);
        }
        .crumb-current {
            color: var(--primary);
            font-weight: 600;
        }

        .article-hero {
            background: var(--bg);
            padding: 48px 0 32px;
        }
        .article-head {
            max-width: 860px;
            margin: 0 auto;
            text-align: center;
        }
        .article-tag {
            display: inline-block;
            margin-bottom: 18px;
            padding: 5px 18px;
            background: var(--light-green);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            border-radius: var(--radius-pill);
        }
        .article-title {
            font-size: 40px;
            font-weight: 700;
            line-height: 1.28;
            color: var(--title);
            margin-bottom: 18px;
            letter-spacing: 0.01em;
        }
        .article-meta {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 18px;
            flex-wrap: wrap;
            margin-bottom: 26px;
            color: var(--muted);
            font-size: 14px;
        }
        .meta-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .meta-item i {
            color: var(--accent);
            font-size: 14px;
        }
        .article-summary {
            background: var(--white);
            border-left: 4px solid var(--accent);
            border-radius: 0 10px 10px 0;
            padding: 18px 22px;
            font-size: 15px;
            line-height: 1.8;
            color: var(--text);
            text-align: left;
            box-shadow: var(--shadow-card);
            font-weight: 400;
        }

        .article-main {
            padding-top: 40px;
        }
        .article-content {
            max-width: 820px;
            margin: 0 auto;
        }
        .article-body {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 44px 48px;
            box-shadow: var(--shadow-card);
        }
        .article-body h2 {
            font-size: 26px;
            margin: 36px 0 16px;
            padding-bottom: 10px;
            border-bottom: 1px solid var(--border);
        }
        .article-body h3 {
            font-size: 20px;
            margin: 28px 0 12px;
            color: var(--primary);
        }
        .article-body p {
            margin-bottom: 18px;
            line-height: 1.8;
            color: var(--text);
        }
        .article-body ul,
        .article-body ol {
            margin: 16px 0 20px;
            padding-left: 8px;
        }
        .article-body li {
            margin-bottom: 8px;
            line-height: 1.75;
        }
        .article-body blockquote {
            background: var(--light-green);
            border-left: 4px solid var(--accent);
            border-radius: 0 8px 8px 0;
            padding: 16px 20px;
            margin: 22px 0;
            color: var(--primary);
            font-weight: 500;
        }
        .article-body blockquote p:last-child {
            margin-bottom: 0;
        }
        .article-body img {
            border-radius: var(--radius-img);
            margin: 24px 0;
            box-shadow: var(--shadow-card);
        }
        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
            font-size: 14px;
        }
        .article-body table th {
            background: var(--primary);
            color: var(--white);
            font-weight: 600;
            padding: 12px 16px;
            text-align: left;
        }
        .article-body table td {
            padding: 12px 16px;
            border-bottom: 1px solid var(--border);
            background: var(--white);
        }
        .article-body table tr:nth-child(even) td {
            background: #F8FAF9;
        }
        .article-body pre {
            background: var(--primary-dark);
            color: #E8EDEA;
            border-radius: 10px;
            padding: 20px 24px;
            overflow-x: auto;
            margin: 22px 0;
            font-size: 14px;
            line-height: 1.7;
            font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
        }
        .article-body code {
            background: var(--light-green);
            color: var(--primary);
            padding: 2px 6px;
            border-radius: 4px;
            font-size: 14px;
            font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
        }
        .article-body pre code {
            background: transparent;
            color: inherit;
            padding: 0;
            border-radius: 0;
        }
        .article-body hr {
            border: none;
            border-top: 1px solid var(--border);
            margin: 32px 0;
        }
        .article-body a {
            color: var(--primary);
            border-bottom: 1px solid rgba(15, 61, 62, 0.3);
            font-weight: 500;
        }
        .article-body a:hover {
            border-bottom-color: var(--accent);
            color: var(--accent);
        }

        .article-footer-nav {
            display: flex;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            margin-top: 36px;
        }
        .article-footer-nav .btn {
            min-width: 0;
            flex: 1;
        }

        .article-empty {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 72px 40px;
            text-align: center;
            box-shadow: var(--shadow-card);
        }
        .empty-icon {
            width: 72px;
            height: 72px;
            border-radius: 50%;
            background: var(--light-green);
            color: var(--primary);
            font-size: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 22px;
        }
        .article-empty h2 {
            font-size: 22px;
            margin-bottom: 10px;
            color: var(--title);
        }
        .article-empty p {
            color: var(--muted);
            font-size: 15px;
            margin-bottom: 26px;
        }

        .related-section {
            background: var(--white);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .related-card {
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
            display: block;
            color: var(--text);
        }
        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(15, 61, 62, 0.3);
            color: var(--text);
        }
        .related-cover {
            height: 180px;
            overflow: hidden;
            position: relative;
        }
        .related-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
            transition: transform .3s ease;
        }
        .related-card:hover .related-cover img {
            transform: scale(1.04);
        }
        .related-info {
            padding: 20px 22px 18px;
        }
        .related-info h3 {
            font-size: 16px;
            font-weight: 600;
            line-height: 1.5;
            color: var(--title);
            margin-bottom: 12px;
            transition: color .2s;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card:hover .related-info h3 {
            color: var(--primary);
        }
        .related-date {
            font-size: 13px;
            color: var(--muted);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .cta-banner {
            background: var(--primary);
            position: relative;
            overflow: hidden;
        }
        .cta-banner::before {
            content: "";
            position: absolute;
            top: -60%;
            right: -10%;
            width: 420px;
            height: 420px;
            background: radial-gradient(circle, rgba(195, 147, 43, 0.18) 0%, transparent 65%);
            border-radius: 50%;
        }
        .cta-box {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 40px;
            padding: 56px 0;
            position: relative;
            z-index: 1;
            flex-wrap: wrap;
        }
        .cta-text h2 {
            color: var(--white);
            font-size: 28px;
            margin-bottom: 8px;
        }
        .cta-text p {
            color: rgba(237, 234, 226, 0.85);
            font-size: 15px;
            max-width: 560px;
        }
        .cta-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .bottom-bar {
            position: fixed;
            left: 0;
            right: 0;
            bottom: 0;
            z-index: 999;
            background: var(--primary-dark);
            box-shadow: 0 -4px 16px rgba(27, 29, 28, 0.18);
        }
        .bottom-bar-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            height: 64px;
        }
        .bottom-bar-text {
            color: rgba(255, 255, 255, 0.8);
            font-size: 14px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .bottom-bar-text i {
            color: var(--accent);
        }
        .bottom-bar .btn {
            height: 40px;
            padding: 0 26px;
            font-size: 14px;
            min-width: 108px;
        }

        .site-footer {
            background: var(--primary-dark);
            color: rgba(237, 234, 226, 0.8);
            margin-top: 0;
        }
        .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 44px;
            padding: 56px 0 44px;
        }
        .footer-brand .brand {
            font-size: 20px;
            color: var(--white);
            margin-bottom: 16px;
        }
        .footer-brand .brand-icon {
            background: var(--accent);
            color: var(--primary-dark);
        }
        .footer-brand .brand-text {
            color: var(--white);
        }
        .footer-brand p {
            font-size: 13px;
            line-height: 1.8;
            color: rgba(237, 234, 226, 0.65);
            max-width: 340px;
        }
        .footer-title {
            font-size: 15px;
            color: var(--white);
            font-weight: 600;
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 8px;
        }
        .footer-title::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 22px;
            height: 2px;
            background: var(--accent);
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links a {
            color: rgba(237, 234, 226, 0.7);
            font-size: 13px;
            transition: color .2s, padding-left .2s;
        }
        .footer-links a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 20px 0 28px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            font-size: 13px;
            color: rgba(237, 234, 226, 0.5);
            flex-wrap: wrap;
        }
        .footer-bottom a {
            color: rgba(237, 234, 226, 0.7);
            border-bottom: 1px solid transparent;
        }
        .footer-bottom a:hover {
            color: var(--accent);
            border-bottom-color: var(--accent);
        }

        @media (max-width: 991px) {
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .article-title {
                font-size: 34px;
            }
            .article-body {
                padding: 36px 32px;
            }
            .footer-top {
                grid-template-columns: 1fr 1fr;
            }
            .cta-box {
                flex-direction: column;
                align-items: flex-start;
                padding: 44px 0;
            }
        }
        @media (max-width: 767px) {
            .section {
                padding: 44px 0;
            }
            .container {
                padding: 0 16px;
            }
            .section-title {
                font-size: 24px;
            }
            .article-hero {
                padding: 32px 0 24px;
            }
            .article-title {
                font-size: 28px;
            }
            .article-meta {
                gap: 10px;
                font-size: 13px;
                flex-direction: column;
            }
            .article-summary {
                padding: 14px 16px;
                font-size: 14px;
            }
            .article-body {
                padding: 24px 20px;
                border-radius: 10px;
            }
            .article-body h2 {
                font-size: 22px;
            }
            .article-body h3 {
                font-size: 18px;
            }
            .article-footer-nav {
                flex-direction: column;
            }
            .article-footer-nav .btn {
                width: 100%;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .cta-box {
                padding: 36px 0;
                gap: 24px;
            }
            .cta-text h2 {
                font-size: 24px;
            }
            .cta-actions {
                width: 100%;
                flex-direction: column;
            }
            .cta-actions .btn {
                width: 100%;
            }
            .footer-top {
                grid-template-columns: 1fr;
                gap: 32px;
                padding: 40px 0 32px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                padding-top: 16px;
            }
            .bottom-bar-text {
                display: none;
            }
            .bottom-bar-inner {
                justify-content: center;
                height: 56px;
            }
            body {
                padding-bottom: 56px;
            }
        }

/* roulang page: category2 */
:root {
      --primary: #0F3D3E;
      --primary-light: #1B5B5C;
      --accent: #C3932B;
      --accent-hover: #A87E1F;
      --bg-warm: #F6F5F0;
      --bg-white: #FFFFFF;
      --bg-mist: #E3ECEC;
      --title-color: #1B1D1C;
      --text-color: #4A4F4D;
      --muted-color: #8A9090;
      --border-color: #E5E7E4;
      --white: #FFFFFF;
      --creamy: #EDEAE2;
      --success: #2E8B57;
      --warning: #D97706;
      --error: #C0392B;
      --radius-sm: 8px;
      --radius-md: 12px;
      --radius-lg: 16px;
      --shadow-sm: 0 2px 12px rgba(27, 29, 28, 0.06);
      --shadow-md: 0 8px 24px rgba(27, 29, 28, 0.10);
      --font-stack: -apple-system, BlinkMacSystemFont, "PingFang SC", "HarmonyOS Sans SC", "Source Han Sans SC", "Noto Sans CJK SC", "Microsoft YaHei", sans-serif;
      --container-mw: 1200px;
      --space-xl: 100px;
      --space-lg: 72px;
      --space-md: 48px;
      --space-sm: 28px;
      --transition-fast: 0.2s ease;
      --transition-smooth: 0.3s ease;
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: var(--font-stack);
      font-size: 16px;
      line-height: 1.75;
      color: var(--text-color);
      background-color: var(--bg-warm);
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }

    ::selection {
      background: rgba(195, 147, 43, 0.25);
      color: var(--title-color);
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast), opacity var(--transition-fast);
    }

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

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

    button {
      cursor: pointer;
    }

    ul, ol {
      list-style: none;
    }

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

    @media (max-width: 768px) {
      .container {
        padding: 0 16px;
      }
      :root {
        --space-xl: 56px;
        --space-lg: 40px;
        --space-md: 32px;
        --space-sm: 20px;
      }
    }

    :focus-visible {
      outline: 2px solid var(--accent);
      outline-offset: 2px;
      border-radius: 4px;
    }

    /* ===== Header / Navigation ===== */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: var(--bg-warm);
      border-bottom: 1px solid var(--border-color);
      transition: all var(--transition-smooth);
    }

    .site-header.scrolled {
      background: rgba(246, 245, 240, 0.92);
      backdrop-filter: blur(10px);
      -webkit-backdrop-filter: blur(10px);
      box-shadow: 0 2px 16px rgba(27, 29, 28, 0.06);
      border-bottom-color: transparent;
    }

    .header-inner {
      display: flex;
      flex-direction: column;
      gap: 0;
    }

    .header-brand-row {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 16px 0;
      gap: 16px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-weight: 700;
      font-size: 20px;
      color: var(--title-color);
      white-space: nowrap;
    }

    .brand-icon {
      width: 38px;
      height: 38px;
      background: var(--primary);
      border-radius: 10px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      color: var(--white);
      font-size: 18px;
      flex-shrink: 0;
    }

    .brand-text {
      letter-spacing: -0.01em;
      font-size: 19px;
    }

    .header-tools {
      display: flex;
      align-items: center;
      gap: 14px;
    }

    .search-form {
      display: flex;
      align-items: center;
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: 999px;
      height: 40px;
      padding: 0 6px 0 16px;
      width: 240px;
      transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    }

    .search-form:focus-within {
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(15, 61, 62, 0.12);
    }

    .search-form input {
      flex: 1;
      border: none;
      outline: none;
      background: transparent;
      font-size: 14px;
      color: var(--title-color);
      min-width: 0;
    }

    .search-form input::placeholder {
      color: var(--muted-color);
    }

    .search-form button {
      width: 30px;
      height: 30px;
      border-radius: 50%;
      background: var(--primary);
      color: var(--white);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 13px;
      transition: background var(--transition-fast);
      flex-shrink: 0;
    }

    .search-form button:hover {
      background: var(--primary-light);
    }

    .nav-toggle {
      width: 40px;
      height: 40px;
      border-radius: 10px;
      border: 1px solid var(--border-color);
      background: var(--bg-white);
      color: var(--title-color);
      font-size: 18px;
      display: none;
      align-items: center;
      justify-content: center;
      transition: all var(--transition-fast);
    }

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

    .nav-channels {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
      padding: 0 0 14px;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 4px;
    }

    .nav-link {
      display: inline-block;
      padding: 8px 16px;
      font-size: 15px;
      font-weight: 500;
      color: var(--text-color);
      border-radius: 999px;
      transition: all var(--transition-fast);
      position: relative;
    }

    .nav-link:hover {
      color: var(--primary);
      background: rgba(15, 61, 62, 0.06);
    }

    .nav-link.active {
      color: var(--primary);
      font-weight: 600;
      background: rgba(15, 61, 62, 0.08);
    }

    .nav-hotwords {
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .hot-label {
      font-size: 12px;
      color: var(--muted-color);
      margin-right: 4px;
      font-weight: 500;
    }

    .hot-tag {
      display: inline-block;
      padding: 4px 12px;
      font-size: 12px;
      color: var(--text-color);
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: 999px;
      transition: all var(--transition-fast);
    }

    .hot-tag:hover {
      color: var(--accent);
      border-color: rgba(195, 147, 43, 0.4);
    }

    @media (max-width: 900px) {
      .search-form {
        width: 180px;
      }
      .nav-hotwords {
        display: none;
      }
    }

    @media (max-width: 768px) {
      .header-brand-row {
        padding: 12px 0;
      }
      .nav-toggle {
        display: inline-flex;
      }
      .search-form {
        width: 44px;
        border-radius: 12px;
        padding: 0;
        justify-content: center;
        border-color: transparent;
        background: transparent;
      }
      .search-form input {
        display: none;
      }
      .search-form button {
        width: 40px;
        height: 40px;
        background: var(--bg-white);
        border: 1px solid var(--border-color);
        color: var(--title-color);
      }
      .nav-channels {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--bg-warm);
        border-bottom: 1px solid var(--border-color);
        padding: 16px;
        flex-direction: column;
        align-items: flex-start;
        box-shadow: 0 12px 24px rgba(27, 29, 28, 0.08);
      }
      .nav-channels.open {
        display: flex;
      }
      .nav-links {
        flex-direction: column;
        width: 100%;
        gap: 6px;
      }
      .nav-link {
        width: 100%;
        border-radius: 8px;
        padding: 12px 14px;
      }
      .nav-hotwords {
        display: flex;
        flex-wrap: wrap;
        margin-top: 12px;
        padding-top: 12px;
        border-top: 1px solid var(--border-color);
      }
      .hot-label {
        width: 100%;
        margin-bottom: 4px;
      }
    }

    /* ===== Category Hero ===== */
    .category-hero {
      position: relative;
      background: linear-gradient(135deg, #0C3031 0%, #0F3D3E 55%, #135253 100%);
      color: var(--white);
      overflow: hidden;
      padding: 88px 0 72px;
    }

    .category-hero::before {
      content: "";
      position: absolute;
      inset: 0;
      background-image: radial-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px);
      background-size: 24px 24px;
      pointer-events: none;
    }

    .category-hero::after {
      content: "";
      position: absolute;
      top: -80px;
      right: -60px;
      width: 340px;
      height: 340px;
      border-radius: 50%;
      background: rgba(195, 147, 43, 0.08);
      filter: blur(80px);
      pointer-events: none;
    }

    .category-hero .container {
      position: relative;
      z-index: 2;
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 48px;
      align-items: center;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 16px;
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.1);
      border: 1px solid rgba(255, 255, 255, 0.15);
      font-size: 13px;
      margin-bottom: 20px;
      color: var(--creamy);
      letter-spacing: 0.02em;
    }

    .hero-badge i {
      color: var(--accent);
      font-size: 14px;
    }

    .category-hero h1 {
      font-size: 46px;
      line-height: 1.2;
      font-weight: 700;
      color: var(--white);
      margin-bottom: 20px;
      letter-spacing: -0.02em;
    }

    .category-hero h1 span {
      color: var(--accent);
    }

    .hero-desc {
      font-size: 17px;
      line-height: 1.8;
      color: rgba(237, 234, 226, 0.85);
      margin-bottom: 32px;
      max-width: 540px;
    }

    .hero-actions {
      display: flex;
      gap: 14px;
      flex-wrap: wrap;
      margin-bottom: 40px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-weight: 600;
      font-size: 15px;
      height: 48px;
      padding: 0 28px;
      border-radius: var(--radius-sm);
      transition: all var(--transition-fast);
      white-space: nowrap;
    }

    .btn-primary {
      background: var(--accent);
      color: var(--title-color);
      border: 1px solid var(--accent);
    }

    .btn-primary:hover {
      background: var(--accent-hover);
      border-color: var(--accent-hover);
      transform: translateY(-1px);
      box-shadow: 0 6px 20px rgba(195, 147, 43, 0.35);
    }

    .btn-outline-light {
      background: transparent;
      color: var(--white);
      border: 1px solid rgba(255, 255, 255, 0.35);
    }

    .btn-outline-light:hover {
      background: rgba(255, 255, 255, 0.1);
      border-color: rgba(255, 255, 255, 0.6);
      transform: translateY(-1px);
    }

    .btn:active {
      transform: translateY(1px);
    }

    .hero-stats {
      display: flex;
      gap: 0;
      border-top: 1px solid rgba(255, 255, 255, 0.12);
      padding-top: 28px;
    }

    .hero-stat {
      flex: 1;
      padding: 0 24px;
      border-left: 1px solid rgba(255, 255, 255, 0.12);
    }

    .hero-stat:first-child {
      padding-left: 0;
      border-left: none;
    }

    .stat-number {
      font-size: 26px;
      font-weight: 700;
      color: var(--white);
      line-height: 1.2;
      margin-bottom: 4px;
    }

    .stat-label {
      font-size: 13px;
      color: rgba(237, 234, 226, 0.6);
    }

    .hero-visual {
      position: relative;
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: 0 24px 48px rgba(0, 0, 0, 0.25);
      border: 1px solid rgba(255, 255, 255, 0.1);
    }

    .hero-visual img {
      width: 100%;
      height: 320px;
      object-fit: cover;
      display: block;
    }

    .hero-visual-tag {
      position: absolute;
      background: rgba(255, 255, 255, 0.92);
      backdrop-filter: blur(8px);
      border-radius: 10px;
      box-shadow: 0 8px 16px rgba(0, 0, 0, 0.12);
      font-size: 13px;
      color: var(--title-color);
      padding: 10px 14px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .hero-visual-tag i {
      color: var(--accent);
      font-size: 15px;
    }

    .visual-tag-1 {
      top: 20px;
      left: 20px;
    }

    .visual-tag-2 {
      bottom: 20px;
      right: 20px;
    }

    @media (max-width: 1024px) {
      .category-hero {
        padding: 64px 0 56px;
      }
      .category-hero .container {
        grid-template-columns: 1fr;
        gap: 36px;
      }
      .hero-visual img {
        height: 240px;
      }
      .category-hero h1 {
        font-size: 38px;
      }
    }

    @media (max-width: 640px) {
      .category-hero {
        padding: 48px 0 40px;
      }
      .category-hero h1 {
        font-size: 30px;
      }
      .hero-desc {
        font-size: 15px;
      }
      .hero-stats {
        flex-wrap: wrap;
        gap: 16px 0;
      }
      .hero-stat {
        padding: 0 12px;
      }
      .hero-stat:first-child {
        padding-left: 0;
      }
      .stat-number {
        font-size: 22px;
      }
      .hero-actions {
        flex-direction: column;
      }
      .btn {
        width: 100%;
        justify-content: center;
      }
    }

    /* ===== Section Common ===== */
    .section {
      padding: var(--space-xl) 0;
    }

    .section-header {
      display: flex;
      align-items: flex-end;
      justify-content: space-between;
      gap: 24px;
      margin-bottom: 48px;
    }

    .section-eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 13px;
      font-weight: 600;
      color: var(--accent);
      text-transform: uppercase;
      letter-spacing: 0.08em;
      margin-bottom: 10px;
    }

    .section-title {
      font-size: 32px;
      font-weight: 700;
      color: var(--title-color);
      line-height: 1.25;
      letter-spacing: -0.01em;
      margin-bottom: 8px;
    }

    .section-subtitle {
      font-size: 15px;
      color: var(--muted-color);
      max-width: 640px;
    }

    @media (max-width: 768px) {
      .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
        margin-bottom: 32px;
      }
      .section-title {
        font-size: 26px;
      }
    }

    /* ===== Security Features ===== */
    .features-section {
      background: var(--bg-white);
    }

    .features-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
    }

    .feature-card {
      position: relative;
      background: var(--bg-warm);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 32px;
      transition: all var(--transition-smooth);
      overflow: hidden;
    }

    .feature-card:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-md);
      border-color: rgba(15, 61, 62, 0.3);
    }

    .feature-card::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      width: 4px;
      height: 100%;
      background: var(--primary);
      border-radius: 0 4px 4px 0;
      opacity: 0.3;
      transition: opacity var(--transition-fast);
    }

    .feature-card:hover::before {
      opacity: 1;
    }

    .feature-icon {
      width: 48px;
      height: 48px;
      border-radius: 12px;
      background: var(--primary);
      color: var(--white);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 20px;
      margin-bottom: 20px;
      transition: all var(--transition-fast);
    }

    .feature-card:hover .feature-icon {
      background: var(--accent);
    }

    .feature-card h3 {
      font-size: 20px;
      font-weight: 700;
      color: var(--title-color);
      margin-bottom: 10px;
      line-height: 1.3;
    }

    .feature-card p {
      font-size: 14px;
      color: var(--text-color);
      line-height: 1.7;
      margin-bottom: 0;
    }

    @media (max-width: 900px) {
      .features-grid {
        grid-template-columns: 1fr;
      }
    }

    /* ===== Content + Sidebar Layout ===== */
    .content-sidebar-section {
      background: var(--bg-warm);
    }

    .content-sidebar-layout {
      display: grid;
      grid-template-columns: 1fr 320px;
      gap: 40px;
    }

    .static-content-list {
      display: flex;
      flex-direction: column;
      gap: 1px;
      background: var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid var(--border-color);
    }

    .content-list-item {
      display: flex;
      align-items: center;
      gap: 20px;
      background: var(--bg-white);
      padding: 24px 28px;
      transition: all var(--transition-fast);
    }

    .content-list-item:hover {
      background: #FCFBF7;
      box-shadow: inset 3px 0 0 var(--accent);
    }

    .content-list-index {
      font-size: 22px;
      font-weight: 700;
      color: var(--primary);
      opacity: 0.3;
      font-variant-numeric: tabular-nums;
      min-width: 36px;
    }

    .content-list-body {
      flex: 1;
      min-width: 0;
    }

    .content-list-body h3 {
      font-size: 17px;
      font-weight: 600;
      color: var(--title-color);
      margin-bottom: 4px;
      line-height: 1.4;
      transition: color var(--transition-fast);
    }

    .content-list-item:hover .content-list-body h3 {
      color: var(--primary);
    }

    .content-list-body p {
      font-size: 14px;
      color: var(--muted-color);
      line-height: 1.6;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
      margin: 0;
    }

    .sidebar-stack {
      display: flex;
      flex-direction: column;
      gap: 24px;
    }

    .sidebar-banner {
      background: var(--primary);
      color: var(--white);
      border-radius: var(--radius-md);
      padding: 28px;
      position: relative;
      overflow: hidden;
    }

    .sidebar-banner::after {
      content: "";
      position: absolute;
      bottom: -40px;
      right: -40px;
      width: 120px;
      height: 120px;
      background: rgba(195, 147, 43, 0.2);
      border-radius: 50%;
    }

    .sidebar-banner.banner-accent {
      background: linear-gradient(135deg, var(--accent) 0%, #A87E1F 100%);
      color: var(--title-color);
    }

    .sidebar-banner h4 {
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 8px;
      line-height: 1.3;
      position: relative;
      z-index: 1;
    }

    .sidebar-banner p {
      font-size: 13px;
      opacity: 0.75;
      line-height: 1.6;
      margin-bottom: 16px;
      position: relative;
      z-index: 1;
    }

    .sidebar-banner.banner-accent p {
      opacity: 0.85;
    }

    .sidebar-link {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 14px;
      font-weight: 600;
      background: var(--white);
      padding: 8px 16px;
      border-radius: 999px;
      transition: all var(--transition-fast);
      position: relative;
      z-index: 1;
    }

    .sidebar-banner.banner-accent .sidebar-link {
      background: var(--primary);
      color: var(--white);
    }

    .sidebar-link:hover {
      gap: 10px;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
    }

    @media (max-width: 1024px) {
      .content-sidebar-layout {
        grid-template-columns: 1fr;
      }
      .sidebar-stack {
        flex-direction: row;
      }
      .sidebar-banner {
        flex: 1;
      }
    }

    @media (max-width: 640px) {
      .content-list-item {
        padding: 18px;
      }
      .content-list-index {
        font-size: 18px;
        min-width: 28px;
      }
      .content-list-body h3 {
        font-size: 16px;
      }
      .content-list-body p {
        font-size: 13px;
      }
      .sidebar-stack {
        flex-direction: column;
      }
    }

    /* ===== Security Process ===== */
    .process-section {
      background: var(--primary);
      color: var(--white);
      position: relative;
      overflow: hidden;
    }

    .process-section::before {
      content: "";
      position: absolute;
      inset: 0;
      background-image: radial-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px);
      background-size: 28px 28px;
      pointer-events: none;
    }

    .process-section .section-title {
      color: var(--white);
    }

    .process-section .section-subtitle {
      color: rgba(237, 234, 226, 0.7);
    }

    .process-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      position: relative;
      z-index: 1;
    }

    .process-step {
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: var(--radius-md);
      padding: 32px 24px;
      position: relative;
      transition: all var(--transition-smooth);
    }

    .process-step:hover {
      background: rgba(255, 255, 255, 0.08);
      border-color: rgba(195, 147, 43, 0.4);
      transform: translateY(-4px);
    }

    .step-number {
      font-size: 40px;
      font-weight: 700;
      color: rgba(195, 147, 43, 0.35);
      line-height: 1;
      margin-bottom: 18px;
      font-variant-numeric: tabular-nums;
    }

    .process-step h3 {
      font-size: 18px;
      font-weight: 700;
      color: var(--white);
      margin-bottom: 10px;
    }

    .process-step p {
      font-size: 13px;
      line-height: 1.7;
      color: rgba(237, 234, 226, 0.7);
      margin: 0;
    }

    @media (max-width: 1024px) {
      .process-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 640px) {
      .process-grid {
        grid-template-columns: 1fr;
      }
    }

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

    .faq-panel {
      max-width: 760px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .faq-item {
      background: var(--bg-warm);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      transition: all var(--transition-fast);
    }

    .faq-item:hover {
      border-color: rgba(15, 61, 62, 0.2);
    }

    .faq-item.open {
      border-color: rgba(15, 61, 62, 0.25);
      box-shadow: var(--shadow-sm);
    }

    .faq-question {
      width: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      padding: 20px 24px;
      font-size: 16px;
      font-weight: 600;
      color: var(--title-color);
      text-align: left;
      transition: all var(--transition-fast);
    }

    .faq-question:hover {
      color: var(--primary);
    }

    .faq-icon {
      width: 28px;
      height: 28px;
      border-radius: 50%;
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 14px;
      flex-shrink: 0;
      transition: all var(--transition-smooth);
      color: var(--primary);
    }

    .faq-item.open .faq-icon {
      transform: rotate(45deg);
      background: var(--primary);
      color: var(--white);
      border-color: var(--primary);
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.25s ease;
    }

    .faq-item.open .faq-answer {
      max-height: 500px;
    }

    .faq-answer-inner {
      padding: 0 24px 20px;
      font-size: 14px;
      line-height: 1.75;
      color: var(--text-color);
      border-top: 1px solid rgba(0, 0, 0, 0.04);
      margin: 0 24px 0;
      padding-left: 0;
      padding-right: 0;
      padding-bottom: 0;
      margin-bottom: 20px;
    }

    @media (max-width: 768px) {
      .faq-question {
        font-size: 14px;
        padding: 18px;
      }
    }

    /* ===== CTA Section ===== */
    .cta-section {
      background: linear-gradient(135deg, #B88622 0%, var(--accent) 50%, #D4A43C 100%);
      padding: 64px 0;
      position: relative;
      overflow: hidden;
    }

    .cta-section::before {
      content: "";
      position: absolute;
      inset: 0;
      background-image: radial-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px);
      background-size: 20px 20px;
    }

    .cta-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 32px;
      position: relative;
      z-index: 1;
      flex-wrap: wrap;
    }

    .cta-copy h2 {
      font-size: 30px;
      font-weight: 700;
      color: var(--title-color);
      margin-bottom: 8px;
      line-height: 1.3;
    }

    .cta-copy p {
      font-size: 15px;
      color: rgba(27, 29, 28, 0.75);
      max-width: 520px;
    }

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

    .btn-dark {
      background: var(--primary);
      color: var(--white);
      border: 1px solid var(--primary);
    }

    .btn-dark:hover {
      background: #0B2D2E;
      transform: translateY(-1px);
      box-shadow: 0 6px 20px rgba(15, 61, 62, 0.35);
    }

    .btn-transparent {
      background: transparent;
      color: var(--title-color);
      border: 1px solid rgba(27, 29, 28, 0.3);
    }

    .btn-transparent:hover {
      background: rgba(255, 255, 255, 0.35);
      border-color: rgba(27, 29, 28, 0.5);
    }

    @media (max-width: 768px) {
      .cta-inner {
        flex-direction: column;
        align-items: flex-start;
      }
      .cta-copy h2 {
        font-size: 24px;
      }
      .cta-actions {
        width: 100%;
      }
      .cta-actions .btn {
        flex: 1;
        justify-content: center;
      }
    }

    /* ===== Footer ===== */
    .site-footer {
      background: var(--primary);
      color: rgba(237, 234, 226, 0.75);
      font-size: 13px;
      line-height: 1.8;
      padding-top: 64px;
    }

    .footer-top {
      display: grid;
      grid-template-columns: 1.6fr 1fr 1fr 1fr;
      gap: 40px;
      padding-bottom: 48px;
    }

    .footer-brand .brand {
      color: var(--white);
      margin-bottom: 16px;
    }

    .footer-brand p {
      font-size: 13px;
      line-height: 1.8;
      color: rgba(237, 234, 226, 0.6);
      max-width: 340px;
    }

    .footer-title {
      font-size: 15px;
      font-weight: 700;
      color: var(--white);
      margin-bottom: 16px;
    }

    .footer-links {
      display: flex;
      flex-direction: column;
      gap: 8px;
    }

    .footer-links a {
      color: rgba(237, 234, 226, 0.6);
      font-size: 13px;
      transition: color var(--transition-fast);
    }

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

    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      padding: 24px 0;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      flex-wrap: wrap;
      font-size: 13px;
      color: rgba(237, 234, 226, 0.45);
    }

    .footer-bottom a {
      color: rgba(237, 234, 226, 0.6);
    }

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

    @media (max-width: 1024px) {
      .footer-top {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 640px) {
      .site-footer {
        padding-top: 48px;
      }
      .footer-top {
        grid-template-columns: 1fr;
        gap: 32px;
        padding-bottom: 32px;
      }
      .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
        padding: 20px 0;
      }
    }

    /* ===== Bottom Fixed Bar ===== */
    .bottom-bar {
      position: fixed;
      bottom: 0;
      left: 0;
      right: 0;
      z-index: 99;
      background: var(--primary);
      box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.15);
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 0 24px;
      height: 60px;
      color: var(--white);
      transform: translateY(100%);
      transition: transform var(--transition-smooth);
    }

    .bottom-bar.visible {
      transform: translateY(0);
    }

    .bottom-bar-text {
      font-size: 14px;
      color: rgba(237, 234, 226, 0.8);
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .bottom-bar-text i {
      color: var(--accent);
    }

    .bottom-bar-action {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: var(--accent);
      color: var(--title-color);
      font-size: 14px;
      font-weight: 600;
      height: 40px;
      padding: 0 24px;
      border-radius: 8px;
      transition: all var(--transition-fast);
    }

    .bottom-bar-action:hover {
      background: var(--accent-hover);
    }

    @media (max-width: 768px) {
      .bottom-bar-text {
        display: none;
      }
      .bottom-bar {
        justify-content: flex-end;
        padding: 0 16px;
      }
    }

    body {
      padding-bottom: 60px;
    }

    /* ===== Scroll Reveal ===== */
    .reveal {
      opacity: 0;
      transform: translateY(12px);
      transition: opacity 0.4s ease-out, transform 0.4s ease-out;
    }

    .reveal.visible {
      opacity: 1;
      transform: translateY(0);
    }

    @media (prefers-reduced-motion: reduce) {
      .reveal {
        opacity: 1;
        transform: none;
        transition: none;
      }
      * {
        animation: none !important;
        transition: none !important;
      }
    }