/* roulang page: index */
:root {
  --primary: #1F4E47;
  --primary-dark: #142F2B;
  --primary-light: #E8F0ED;
  --accent: #C2A96A;
  --accent-hover: #D4BC82;
  --bg: #F7F4EE;
  --white: #FFFFFF;
  --text: #222624;
  --text-secondary: #5A6460;
  --text-muted: #8B938F;
  --border: #E3E1DA;
  --radius-lg: 16px;
  --radius-md: 8px;
  --radius-pill: 999px;
  --shadow-hover: 0 12px 28px rgba(20, 47, 43, 0.10);
  --font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans SC", "Helvetica Neue", Arial, sans-serif;
  --transition: all 0.3s ease;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-family);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button, input, textarea { font-family: inherit; font-size: inherit; border: none; background: none; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }
.container { max-width: 1240px; margin: 0 auto; padding: 0 24px; }
.section-head { margin-bottom: 48px; }
.section-head.center { text-align: center; }
.section-head .section-kicker {
  display: inline-block;
  font-size: 14px;
  letter-spacing: 0.12em;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 10px;
  text-transform: uppercase;
}
.section-head h2 { font-size: 32px; line-height: 1.4; font-weight: 700; color: var(--text); }
.section-head p { font-size: 17px; color: var(--text-secondary); margin-top: 10px; }
.tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 14px;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  border-radius: var(--radius-pill);
}
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 15px;
  font-weight: 600;
  color: var(--primary);
  transition: var(--transition);
}
.text-link:hover { color: var(--accent); gap: 8px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 48px;
  padding: 0 28px;
  border-radius: var(--radius-md);
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid transparent;
  letter-spacing: 0.02em;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--accent); color: var(--primary-dark); }
.btn-gold { background: var(--accent); color: var(--primary-dark); }
.btn-gold:hover { background: var(--accent-hover); color: var(--primary-dark); box-shadow: 0 4px 14px rgba(0, 0, 0, 0.18); }
.btn-outline-light { background: transparent; border-color: rgba(255, 255, 255, 0.7); color: #fff; }
.btn-outline-light:hover { border-color: var(--accent); color: var(--accent-hover); background: rgba(255, 255, 255, 0.08); }
.btn-outline-dark { background: transparent; border-color: var(--primary-dark); color: var(--primary-dark); }
.btn-outline-dark:hover { background: var(--primary-dark); color: #fff; }
.btn-ghost { background: transparent; border-color: var(--border); color: var(--text-secondary); }
.btn-ghost:hover { border-color: var(--primary); color: var(--primary); }

/* Header */
.site-header { position: sticky; top: 0; z-index: 100; box-shadow: 0 1px 0 rgba(255, 255, 255, 0.06); }
.brand-bar { background: var(--primary-dark); }
.brand-bar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  gap: 24px;
}
.brand-logo { display: flex; align-items: center; gap: 12px; }
.brand-icon { display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.brand-text { color: #fff; font-size: 22px; font-weight: 700; letter-spacing: 0.02em; white-space: nowrap; }
.brand-tools { display: flex; align-items: center; gap: 20px; }
.tool-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 14px;
  transition: var(--transition);
}
.tool-link:hover { color: var(--accent-hover); }
.tool-link svg { width: 18px; height: 18px; stroke: currentColor; stroke-width: 1.8; fill: none; stroke-linecap: round; stroke-linejoin: round; }
.site-date { color: rgba(255, 255, 255, 0.55); font-size: 14px; white-space: nowrap; }
.menu-toggle { display: none; align-items: center; justify-content: center; width: 40px; height: 40px; color: #fff; cursor: pointer; }
.menu-toggle svg { width: 22px; height: 22px; stroke: currentColor; stroke-width: 2; fill: none; stroke-linecap: round; }
.channel-bar { background: var(--bg); border-bottom: 1px solid var(--border); }
.channel-bar-inner { display: flex; align-items: center; gap: 12px; padding-top: 12px; padding-bottom: 12px; overflow-x: auto; }
.channel-link {
  display: inline-flex;
  align-items: center;
  padding: 9px 22px;
  border-radius: var(--radius-pill);
  font-size: 15px;
  font-weight: 600;
  color: var(--text-secondary);
  background: transparent;
  border: 1px solid transparent;
  transition: var(--transition);
  white-space: nowrap;
}
.channel-link:hover { background: rgba(31, 78, 71, 0.08); color: var(--primary); }
.channel-link.active { background: var(--primary); color: #fff; }

/* Hero */
.hero { background: var(--primary-dark); position: relative; overflow: hidden; }
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
  opacity: 0.16;
}
.hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 64px;
  align-items: center;
  padding-top: 96px;
  padding-bottom: 96px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border: 1px solid rgba(194, 169, 106, 0.55);
  color: var(--accent-hover);
  font-size: 14px;
  font-weight: 500;
  border-radius: var(--radius-pill);
  margin-bottom: 24px;
  background: rgba(20, 47, 43, 0.5);
}
.hero h1 { font-size: 44px; line-height: 1.3; font-weight: 700; color: #fff; margin-bottom: 20px; }
.hero-sub { font-size: 18px; line-height: 1.7; color: rgba(255, 255, 255, 0.78); max-width: 480px; }
.hero-actions { display: flex; gap: 16px; margin-top: 36px; flex-wrap: wrap; }
.hero-visual { position: relative; }
.hero-visual::after {
  content: "";
  position: absolute;
  inset: 16px -16px -16px 16px;
  border: 1px solid rgba(194, 169, 106, 0.4);
  border-radius: var(--radius-lg);
  z-index: -1;
}
.hero-visual img {
  width: 100%;
  height: 460px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 20px 48px rgba(0, 0, 0, 0.28);
}
.hero-stats {
  position: relative;
  z-index: 2;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(0, 0, 0, 0.12);
}
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; padding-top: 32px; padding-bottom: 32px; }
.stat { text-align: center; }
.stat strong {
  display: block;
  font-size: 30px;
  font-weight: 700;
  color: #fff;
  line-height: 1.3;
}
.stat span { display: block; font-size: 14px; color: rgba(255, 255, 255, 0.6); margin-top: 4px; }

/* Features */
.features { padding: 100px 0; background: var(--white); }
.features-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border-top: 1px solid var(--border); }
.feature-item { padding: 56px 40px 48px; border-right: 1px solid var(--border); position: relative; transition: var(--transition); }
.feature-item:first-child { padding-left: 0; }
.feature-item:last-child { border-right: none; padding-right: 0; }
.feature-item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 3px;
  background: var(--accent);
  transition: var(--transition);
}
.feature-item:hover::before { width: 100%; }
.feature-num {
  display: block;
  font-size: 48px;
  line-height: 1;
  font-weight: 700;
  color: var(--accent);
  opacity: 0.55;
  margin-bottom: 20px;
  transition: var(--transition);
}
.feature-item:hover .feature-num { opacity: 1; transform: translateX(4px); }
.feature-item h3 { font-size: 20px; font-weight: 600; color: var(--primary); margin-bottom: 12px; }
.feature-item p { font-size: 15px; line-height: 1.8; color: var(--text-secondary); margin-bottom: 20px; }

/* About */
.about { padding: 100px 0; background: var(--bg); }
.about-inner { display: grid; grid-template-columns: 0.95fr 1.05fr; gap: 72px; align-items: center; }
.about-visual { position: relative; }
.about-visual img { width: 100%; height: 420px; object-fit: cover; border-radius: var(--radius-lg); box-shadow: var(--shadow-hover); }
.about-deco {
  position: absolute;
  inset: 20px -20px -20px 20px;
  border: 1px solid var(--accent);
  border-radius: var(--radius-lg);
  z-index: -1;
  opacity: 0.6;
}
.about-content .section-kicker { display: inline-block; font-size: 14px; letter-spacing: 0.12em; color: var(--accent); font-weight: 600; margin-bottom: 10px; }
.about-content h2 { font-size: 32px; line-height: 1.4; font-weight: 700; margin-bottom: 20px; }
.about-content p { font-size: 16px; line-height: 1.9; color: var(--text-secondary); margin-bottom: 16px; }
.about-points { display: flex; gap: 56px; margin: 28px 0 32px; }
.about-point strong { display: block; font-size: 34px; font-weight: 700; color: var(--primary); line-height: 1.2; }
.about-point span { font-size: 14px; color: var(--text-muted); }

/* Process */
.process {
  padding: 100px 0;
  position: relative;
  background: var(--primary-dark);
  background-image: url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
}
.process::before { content: ""; position: absolute; inset: 0; background: rgba(20, 47, 43, 0.88); }
.process .container { position: relative; z-index: 2; }
.process .section-head h2 { color: #fff; }
.process .section-head p { color: rgba(255, 255, 255, 0.7); }
.process .section-kicker { color: var(--accent-hover); }
.steps-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; position: relative; }
.steps-row::before {
  content: "";
  position: absolute;
  top: 48px;
  left: 60px;
  right: 60px;
  border-top: 1px dashed rgba(194, 169, 106, 0.5);
  z-index: 0;
}
.step-item { text-align: center; position: relative; z-index: 1; padding: 24px 12px; }
.step-icon {
  width: 96px;
  height: 96px;
  margin: 0 auto 20px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(194, 169, 106, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}
.step-item:hover .step-icon { background: var(--accent); border-color: var(--accent); }
.step-icon svg { width: 38px; height: 38px; stroke: var(--accent-hover); fill: none; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; transition: var(--transition); }
.step-item:hover .step-icon svg { stroke: var(--primary-dark); }
.step-item h3 { font-size: 19px; font-weight: 600; color: #fff; margin-bottom: 10px; }
.step-item p { font-size: 14px; color: rgba(255, 255, 255, 0.66); line-height: 1.7; }

/* News */
.news { padding: 100px 0; background: var(--white); }
.news .section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; }
.news-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
.news-card-lg {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  background: var(--bg);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: var(--transition);
}
.news-card-lg:hover { box-shadow: var(--shadow-hover); transform: translateY(-3px); }
.news-thumb { overflow: hidden; }
.news-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.news-card-lg:hover .news-thumb img { transform: scale(1.03); }
.news-body { padding: 36px 40px; display: flex; flex-direction: column; justify-content: center; }
.news-meta { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; flex-wrap: wrap; }
.news-meta time { font-size: 13px; color: var(--text-muted); }
.news-body h3 { font-size: 24px; line-height: 1.5; font-weight: 700; margin-bottom: 12px; }
.news-body h3 a { color: var(--text); transition: var(--transition); }
.news-body h3 a:hover { color: var(--primary); }
.news-body p { font-size: 15px; line-height: 1.8; color: var(--text-secondary); margin-bottom: 20px; }
.news-card {
  background: var(--bg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.news-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-3px); }
.news-card-thumb { overflow: hidden; }
.news-card-thumb img { width: 100%; height: 180px; object-fit: cover; transition: transform 0.5s ease; }
.news-card:hover .news-card-thumb img { transform: scale(1.03); }
.news-card-body { padding: 24px 24px 28px; display: flex; flex-direction: column; flex: 1; }
.news-card-body h3 { font-size: 18px; line-height: 1.55; font-weight: 600; margin-bottom: 12px; }
.news-card-body h3 a { color: var(--text); transition: var(--transition); }
.news-card-body h3 a:hover { color: var(--primary); }
.news-card-body p { font-size: 14px; line-height: 1.75; color: var(--text-secondary); flex: 1; }
.news-card-body .news-meta { margin-bottom: 12px; margin-top: 4px; }
.empty-state {
  grid-column: 1 / -1;
  border: 1px dashed var(--border);
  border-radius: var(--radius-lg);
  padding: 72px 24px;
  text-align: center;
  background: var(--bg);
  color: var(--text-muted);
  font-size: 16px;
}

/* Social */
.social { padding: 100px 0; background: var(--bg); }
.logo-wall { display: grid; grid-template-columns: repeat(5, 1fr); gap: 24px; margin: 48px 0 56px; }
.logo-item {
  height: 88px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 17px;
  font-weight: 600;
  color: var(--text-muted);
  filter: grayscale(1);
  opacity: 0.75;
  transition: var(--transition);
  padding: 0 16px;
  text-align: center;
}
.logo-item:hover { filter: grayscale(0); opacity: 1; color: var(--primary); border-color: var(--accent); }
.social-quote {
  position: relative;
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
  font-size: 20px;
  line-height: 1.8;
  font-weight: 500;
  color: var(--text);
  padding: 20px 0;
}
.social-quote::before,
.social-quote::after {
  content: "“";
  font-size: 56px;
  color: var(--accent);
  position: absolute;
  font-family: Georgia, serif;
  line-height: 1;
}
.social-quote::before { top: -10px; left: -20px; }
.social-quote::after { content: "”"; bottom: -30px; right: -20px; }

/* FAQ */
.faq { padding: 100px 0; background: var(--white); }
.faq-list { max-width: 860px; margin: 0 auto; }
.faq-item {
  background: var(--bg);
  border-radius: var(--radius-lg);
  margin-bottom: 16px;
  transition: var(--transition);
  overflow: hidden;
}
.faq-item.active { background: var(--white); box-shadow: var(--shadow-hover); }
.faq-item.active::before { content: ""; display: block; height: 3px; background: var(--accent); }
.faq-question {
  width: 100%;
  text-align: left;
  padding: 24px 28px;
  font-size: 17px;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  transition: var(--transition);
}
.faq-question:hover { color: var(--primary); }
.faq-icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  position: relative;
  transition: all 0.35s ease;
}
.faq-icon::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 14px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
}
.faq-icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 2px;
  height: 14px;
  background: var(--primary);
  border-radius: 2px;
  transition: all 0.35s ease;
}
.faq-item.active .faq-icon::after { transform: translate(-50%, -50%) rotate(90deg); opacity: 0; }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.4s ease; }
.faq-answer p { padding: 0 28px 24px; font-size: 15px; line-height: 1.8; color: var(--text-secondary); }

/* CTA */
.cta {
  padding: 88px 0;
  background: linear-gradient(135deg, #E7D6B0 0%, #C2A96A 55%, #D9BE8A 100%);
  position: relative;
  overflow: hidden;
}
.cta::before,
.cta::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  border: 2px solid rgba(20, 47, 43, 0.12);
}
.cta::before { width: 260px; height: 260px; top: -100px; left: -80px; }
.cta::after { width: 200px; height: 200px; bottom: -80px; right: -40px; }
.cta-inner { text-align: center; position: relative; z-index: 2; }
.cta-inner h2 { font-size: 32px; font-weight: 700; color: var(--primary-dark); margin-bottom: 14px; }
.cta-inner p { font-size: 17px; color: rgba(20, 47, 43, 0.78); margin-bottom: 32px; }
.cta-actions { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }

/* Footer */
.site-footer { background: var(--primary-dark); color: rgba(255, 255, 255, 0.75); }
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 0.8fr 1fr;
  gap: 48px;
  padding-top: 72px;
  padding-bottom: 56px;
}
.footer-logo { font-size: 22px; font-weight: 700; color: #fff; display: inline-block; margin-bottom: 16px; }
.footer-brand p { font-size: 15px; line-height: 1.9; color: rgba(255, 255, 255, 0.6); max-width: 320px; }
.footer-col h4 { font-size: 16px; font-weight: 600; color: #fff; margin-bottom: 18px; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul a { font-size: 14px; color: rgba(255, 255, 255, 0.65); transition: var(--transition); }
.footer-col ul a:hover { color: var(--accent-hover); padding-left: 4px; }
.footer-col ul li span { font-size: 14px; color: rgba(255, 255, 255, 0.65); }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 22px 0;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.4);
}
.footer-bottom .container { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }

/* Responsive */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; gap: 40px; padding-top: 64px; padding-bottom: 64px; }
  .hero-visual img { height: 360px; }
  .features-row { grid-template-columns: 1fr; }
  .feature-item, .feature-item:first-child, .feature-item:last-child { padding: 32px 0; border-right: none; border-bottom: 1px solid var(--border); }
  .feature-item:last-child { border-bottom: none; }
  .about-inner { grid-template-columns: 1fr; gap: 48px; }
  .about-visual img { height: 340px; }
  .steps-row { grid-template-columns: repeat(2, 1fr); gap: 32px; }
  .steps-row::before { display: none; }
  .news-grid { grid-template-columns: 1fr; }
  .news-card-lg { grid-template-columns: 1fr; }
  .news-thumb img { height: 240px; }
  .logo-wall { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); gap: 40px; }
}
@media (max-width: 768px) {
  .brand-bar-inner { min-height: 64px; }
  .brand-text { font-size: 18px; }
  .tool-link span, .site-date { display: none; }
  .menu-toggle { display: inline-flex; }
  .channel-bar {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 18px 30px rgba(20, 47, 43, 0.12);
  }
  .channel-bar.open { display: block; }
  .channel-bar-inner { flex-direction: column; align-items: stretch; padding: 16px 24px 24px; gap: 8px; }
  .channel-link { justify-content: center; }
  .hero h1 { font-size: 32px; }
  .hero-sub { font-size: 16px; }
  .hero-visual img { height: 260px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .features, .about, .process, .news, .social, .faq { padding: 64px 0; }
  .section-head h2, .about-content h2, .cta-inner h2 { font-size: 24px; }
  .section-head p { font-size: 15px; }
  .news-body { padding: 24px; }
  .news-body h3 { font-size: 20px; }
  .steps-row { grid-template-columns: 1fr; }
  .step-item { display: flex; align-items: center; text-align: left; gap: 20px; padding: 12px 0; }
  .step-icon { margin: 0; flex-shrink: 0; width: 72px; height: 72px; }
  .step-icon svg { width: 30px; height: 30px; }
  .logo-wall { grid-template-columns: repeat(2, 1fr); }
  .social-quote { font-size: 17px; }
  .faq-question { padding: 20px; font-size: 16px; }
  .faq-answer p { padding: 0 20px 20px; font-size: 14px; }
  .cta-inner h2 { font-size: 24px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; padding-top: 48px; padding-bottom: 32px; }
  .footer-bottom .container { flex-direction: column; align-items: center; text-align: center; }
  .btn { height: 44px; padding: 0 22px; font-size: 15px; }
}
@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .hero-inner { padding-top: 48px; padding-bottom: 48px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { width: 100%; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .stat strong { font-size: 24px; }
  .about-points { gap: 32px; flex-wrap: wrap; }
  .news-meta { gap: 8px; }
  .logo-wall { grid-template-columns: 1fr 1fr; }
  .cta-actions { flex-direction: column; align-items: stretch; }
  .cta-actions .btn { width: 100%; }
}

/* roulang page: category1 */
:root{
  --primary:#1F4E47;
  --primary-dark:#142F2B;
  --primary-light:#E8F0ED;
  --gold:#C2A96A;
  --gold-hover:#D4BC82;
  --bg-paper:#F7F4EE;
  --text-main:#222624;
  --text-sub:#5A6460;
  --text-muted:#8B938F;
  --border:#E3E1DA;
  --radius-lg:16px;
  --radius-md:12px;
  --radius-sm:8px;
  --radius-pill:999px;
  --shadow-hover:0 12px 28px rgba(20,47,43,0.10);
  --shadow-btn:0 4px 14px rgba(0,0,0,0.2);
  --container:1240px;
  --space-section:90px;
  --space-section-mobile:56px;
  --transition:all 0.3s ease;
}

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

html{
  scroll-behavior:smooth;
}

body{
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
  font-size:17px;
  line-height:1.9;
  color:var(--text-main);
  background:var(--bg-paper);
  -webkit-font-smoothing:antialiased;
}

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

a{
  color:inherit;
  text-decoration:none;
  transition:var(--transition);
}

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

ul,ol{
  list-style:none;
}

h1,h2,h3,h4,h5,h6{
  font-weight:700;
  line-height:1.4;
  color:var(--text-main);
}

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

.section{
  padding:var(--space-section) 0;
}

.section-head{
  margin-bottom:48px;
}

.section-head.center{
  text-align:center;
}

.section-head.center p{
  max-width:640px;
  margin:8px auto 0;
}

.section-eyebrow{
  display:inline-block;
  font-size:14px;
  font-weight:600;
  letter-spacing:2px;
  color:var(--gold);
  margin-bottom:10px;
  padding-left:18px;
  position:relative;
}

.section-eyebrow::before{
  content:"";
  position:absolute;
  left:0;
  top:50%;
  transform:translateY(-50%);
  width:10px;
  height:2px;
  background:var(--gold);
}

.section-head h2{
  font-size:32px;
  line-height:1.4;
  margin-bottom:12px;
}

.section-head p{
  font-size:18px;
  line-height:1.7;
  color:var(--text-sub);
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height:48px;
  padding:0 28px;
  border-radius:var(--radius-sm);
  font-size:16px;
  font-weight:600;
  letter-spacing:0.5px;
  transition:var(--transition);
  white-space:nowrap;
}

.btn:focus-visible{
  outline:3px solid rgba(194,169,106,0.5);
  outline-offset:2px;
}

.btn-primary{
  background:var(--primary);
  color:#fff;
}

.btn-primary:hover{
  background:var(--gold-hover);
  color:var(--primary-dark);
  box-shadow:var(--shadow-btn);
}

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

.btn-outline:hover{
  background:rgba(31,78,71,0.1);
}

.btn-gold{
  background:var(--gold);
  color:var(--primary-dark);
}

.btn-gold:hover{
  background:var(--gold-hover);
  transform:translateY(-2px);
  box-shadow:0 4px 14px rgba(194,169,106,0.3);
}

.btn-outline-light{
  background:transparent;
  border:1px solid rgba(255,255,255,0.5);
  color:#fff;
}

.btn-outline-light:hover{
  background:rgba(255,255,255,0.12);
}

.btn-dark{
  background:var(--primary-dark);
  color:#fff;
}

.btn-dark:hover{
  background:var(--primary);
  transform:translateY(-2px);
  box-shadow:var(--shadow-btn);
}

/* ===== Header ===== */
.site-header{
  position:relative;
  z-index:100;
}

.header-top{
  background:var(--primary-dark);
}

.header-top-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  min-height:70px;
}

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

.logo-icon{
  width:40px;
  height:40px;
  background:var(--gold);
  border-radius:10px;
  display:flex;
  align-items:center;
  justify-content:center;
  color:var(--primary-dark);
  font-weight:800;
  font-size:20px;
  letter-spacing:-1px;
  flex-shrink:0;
}

.logo-text{
  font-size:22px;
  font-weight:700;
  color:#fff;
  letter-spacing:1px;
  line-height:1.2;
}

.header-tools{
  display:flex;
  align-items:center;
  gap:20px;
}

.tool-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  color:rgba(255,255,255,0.75);
}

.tool-link:hover{
  color:var(--gold-hover);
}

.tool-link svg{
  width:16px;
  height:16px;
}

.service-status{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:13px;
  color:rgba(255,255,255,0.7);
  background:rgba(255,255,255,0.08);
  padding:5px 14px;
  border-radius:var(--radius-pill);
}

.status-dot{
  width:8px;
  height:8px;
  border-radius:50%;
  background:#3DBE8A;
  box-shadow:0 0 0 3px rgba(61,190,138,0.2);
}

.menu-toggle{
  display:none;
  flex-direction:column;
  justify-content:center;
  gap:5px;
  width:40px;
  height:40px;
  border-radius:8px;
  background:rgba(255,255,255,0.08);
  align-items:center;
}

.menu-toggle span{
  display:block;
  width:20px;
  height:2px;
  background:#fff;
  border-radius:2px;
}

.menu-toggle:hover{
  background:rgba(255,255,255,0.16);
}

.channel-bar{
  background:var(--bg-paper);
  border-bottom:1px solid var(--border);
  position:sticky;
  top:0;
  z-index:99;
  box-shadow:0 2px 8px rgba(0,0,0,0.04);
}

.channel-bar-inner{
  display:flex;
  gap:12px;
  padding-top:14px;
  padding-bottom:14px;
  overflow-x:auto;
  scrollbar-width:none;
}

.channel-bar-inner::-webkit-scrollbar{
  display:none;
}

.channel-link{
  display:inline-flex;
  align-items:center;
  padding:8px 22px;
  border-radius:var(--radius-pill);
  font-size:15px;
  font-weight:500;
  color:var(--text-sub);
  background:transparent;
  white-space:nowrap;
  transition:var(--transition);
}

.channel-link:hover{
  color:var(--primary);
  background:rgba(31,78,71,0.08);
}

.channel-link.active{
  background:var(--primary);
  color:#fff;
  font-weight:600;
  box-shadow:0 4px 12px rgba(31,78,71,0.2);
}

/* Drawer */
.mobile-drawer{
  position:fixed;
  top:0;
  right:-320px;
  width:300px;
  height:100%;
  background:#fff;
  z-index:300;
  box-shadow:-10px 0 30px rgba(0,0,0,0.15);
  transition:right 0.35s ease;
  padding:24px;
}

.mobile-drawer.open{
  right:0;
}

.drawer-logo{
  font-size:20px;
  font-weight:700;
  color:var(--primary);
  margin-bottom:32px;
  padding-bottom:16px;
  border-bottom:1px solid var(--border);
}

.drawer-nav{
  display:flex;
  flex-direction:column;
  gap:8px;
}

.drawer-nav a{
  padding:12px 16px;
  border-radius:var(--radius-sm);
  font-size:16px;
  color:var(--text-main);
  background:var(--bg-paper);
}

.drawer-nav a:hover,
.drawer-nav a.active{
  background:var(--primary);
  color:#fff;
}

.drawer-contact{
  margin-top:32px;
  padding-top:20px;
  border-top:1px solid var(--border);
  font-size:14px;
  color:var(--text-sub);
}

.drawer-overlay{
  position:fixed;
  inset:0;
  background:rgba(20,47,43,0.5);
  z-index:290;
  opacity:0;
  visibility:hidden;
  transition:var(--transition);
}

.drawer-overlay.open{
  opacity:1;
  visibility:visible;
}

/* ===== Category Banner ===== */
.category-banner{
  position:relative;
  background:var(--primary-dark) center/cover no-repeat;
  min-height:560px;
  display:flex;
  align-items:center;
  overflow:hidden;
}

.category-banner::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(90deg,rgba(20,47,43,0.92) 0%,rgba(20,47,43,0.78) 60%,rgba(20,47,43,0.55) 100%);
  z-index:1;
}

.category-banner::after{
  content:"";
  position:absolute;
  top:-80px;
  right:-80px;
  width:360px;
  height:360px;
  background:radial-gradient(circle,rgba(194,169,106,0.18) 0%,transparent 70%);
  z-index:1;
  pointer-events:none;
}

.banner-content{
  position:relative;
  z-index:2;
  padding-top:90px;
  padding-bottom:90px;
  max-width:840px;
}

.banner-tag{
  display:inline-block;
  padding:6px 18px;
  background:rgba(194,169,106,0.18);
  border:1px solid rgba(194,169,106,0.4);
  color:var(--gold-hover);
  font-size:14px;
  font-weight:600;
  border-radius:var(--radius-pill);
  margin-bottom:22px;
  letter-spacing:1px;
}

.category-banner h1{
  font-size:44px;
  line-height:1.3;
  color:#fff;
  margin-bottom:20px;
  letter-spacing:1px;
}

.category-banner .banner-desc{
  font-size:18px;
  line-height:1.8;
  color:rgba(255,255,255,0.85);
  margin-bottom:36px;
  max-width:680px;
}

.banner-actions{
  display:flex;
  flex-wrap:wrap;
  gap:16px;
  margin-bottom:56px;
}

.trust-metrics{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
  border-top:1px solid rgba(255,255,255,0.14);
  padding-top:32px;
}

.metric-item strong{
  display:block;
  font-size:22px;
  font-weight:700;
  color:#fff;
  margin-bottom:4px;
}

.metric-item span{
  font-size:14px;
  color:rgba(255,255,255,0.62);
}

/* ===== Features ===== */
.features-section{
  padding:var(--space-section) 0;
  background:#fff;
}

.features-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:0;
}

.feature-item{
  padding:32px 40px;
  position:relative;
}

.feature-item + .feature-item{
  border-left:1px solid var(--border);
}

.feature-num{
  display:block;
  font-size:52px;
  font-weight:800;
  color:var(--gold);
  opacity:0.35;
  line-height:1;
  margin-bottom:24px;
  position:relative;
  transition:var(--transition);
}

.feature-item:hover .feature-num{
  opacity:1;
}

.feature-item:hover .feature-num::before{
  width:40px;
}

.feature-num::before{
  content:"";
  position:absolute;
  left:0;
  bottom:-8px;
  width:0;
  height:3px;
  background:var(--gold);
  transition:var(--transition);
}

.feature-item h3{
  font-size:20px;
  font-weight:600;
  margin-bottom:12px;
  color:var(--primary);
}

.feature-item p{
  font-size:15px;
  line-height:1.8;
  color:var(--text-sub);
  margin-bottom:16px;
}

.feature-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--primary);
}

.feature-link::after{
  content:"→";
  transition:var(--transition);
}

.feature-link:hover{
  color:var(--gold);
}

.feature-link:hover::after{
  transform:translateX(4px);
}

/* ===== Intro Section ===== */
.intro-section{
  padding:var(--space-section) 0;
  background:var(--bg-paper);
}

.intro-grid{
  display:grid;
  grid-template-columns:1.05fr 0.95fr;
  gap:72px;
  align-items:center;
}

.intro-text h2{
  font-size:32px;
  margin-bottom:20px;
  line-height:1.4;
}

.intro-text > p{
  color:var(--text-sub);
  margin-bottom:20px;
  font-size:16px;
  line-height:1.9;
}

.intro-metrics{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:20px;
  margin:32px 0 36px;
}

.metric-box{
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  padding:20px 24px;
  transition:var(--transition);
}

.metric-box:hover{
  box-shadow:var(--shadow-hover);
  transform:translateY(-3px);
}

.metric-box strong{
  display:block;
  font-size:18px;
  font-weight:700;
  color:var(--primary);
  margin-bottom:4px;
}

.metric-box span{
  font-size:14px;
  color:var(--text-muted);
}

.intro-visual{
  position:relative;
}

.intro-visual img{
  width:100%;
  border-radius:var(--radius-lg);
  box-shadow:0 20px 50px rgba(20,47,43,0.15);
}

.intro-visual::after{
  content:"";
  position:absolute;
  bottom:-16px;
  left:-16px;
  right:24px;
  height:60px;
  background:linear-gradient(to right,var(--gold),transparent);
  border-radius:0 0 var(--radius-lg) var(--radius-lg);
  opacity:0.18;
  z-index:-1;
}

/* ===== Steps Section ===== */
.steps-section{
  padding:var(--space-section) 0;
  background:var(--primary-dark);
  position:relative;
  overflow:hidden;
}

.steps-section::before{
  content:"";
  position:absolute;
  top:-120px;
  right:-60px;
  width:400px;
  height:400px;
  background:radial-gradient(circle,rgba(194,169,106,0.12),transparent 68%);
  pointer-events:none;
}

.steps-section .section-head h2{
  color:#fff;
}

.steps-section .section-head p{
  color:rgba(255,255,255,0.72);
}

.steps-section .section-eyebrow{
  color:var(--gold);
}

.steps-section .section-eyebrow::before{
  background:var(--gold);
}

.steps-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:32px;
  position:relative;
}

.steps-grid::before{
  content:"";
  position:absolute;
  top:44px;
  left:60px;
  right:60px;
  border-top:2px dashed rgba(194,169,106,0.35);
}

.step-item{
  position:relative;
  text-align:center;
  padding:0 12px;
  z-index:1;
}

.step-icon{
  width:88px;
  height:88px;
  margin:0 auto 24px;
  background:rgba(194,169,106,0.12);
  border:2px solid rgba(194,169,106,0.4);
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  color:var(--gold-hover);
  transition:var(--transition);
}

.step-item:hover .step-icon{
  background:var(--gold);
  color:var(--primary-dark);
  transform:translateY(-4px);
}

.step-icon svg{
  width:34px;
  height:34px;
  stroke-width:1.8;
  fill:none;
  stroke:currentColor;
  stroke-linecap:round;
  stroke-linejoin:round;
}

.step-item h3{
  font-size:19px;
  color:#fff;
  margin-bottom:10px;
}

.step-item p{
  font-size:14px;
  line-height:1.8;
  color:rgba(255,255,255,0.68);
}

/* ===== Content Section ===== */
.content-section{
  padding:var(--space-section) 0;
  background:#fff;
}

.content-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:32px;
}

.content-card{
  display:flex;
  background:var(--bg-paper);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  overflow:hidden;
  transition:var(--transition);
}

.content-card:hover{
  box-shadow:var(--shadow-hover);
  transform:translateY(-4px);
  border-color:rgba(31,78,71,0.2);
}

.content-card .card-media{
  flex:0 0 220px;
  overflow:hidden;
  position:relative;
}

.content-card .card-media img{
  width:100%;
  height:100%;
  transition:transform 0.5s ease;
}

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

.content-card .card-body{
  padding:24px 24px 20px;
  display:flex;
  flex-direction:column;
  flex:1;
}

.card-meta{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:12px;
  font-size:13px;
  color:var(--text-muted);
  margin-bottom:12px;
}

.card-tag{
  display:inline-block;
  padding:3px 12px;
  background:rgba(194,169,106,0.15);
  color:#8A7134;
  border-radius:var(--radius-pill);
  font-weight:600;
  font-size:12px;
}

.card-body h3{
  font-size:20px;
  line-height:1.5;
  margin-bottom:10px;
}

.card-body h3 a{
  color:var(--text-main);
}

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

.card-body p{
  font-size:14px;
  line-height:1.8;
  color:var(--text-sub);
  flex:1;
  margin-bottom:16px;
}

.card-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--primary);
}

.card-link::after{
  content:"→";
  transition:var(--transition);
}

.card-link:hover{
  color:var(--gold);
}

.card-link:hover::after{
  transform:translateX(4px);
}

/* ===== Related Tags ===== */
.related-tags-section{
  padding:64px 0;
  background:var(--bg-paper);
}

.related-tags-section h2{
  font-size:24px;
  margin-bottom:20px;
}

.tag-cloud{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
}

.tag-pill{
  display:inline-block;
  padding:8px 24px;
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--radius-pill);
  font-size:15px;
  color:var(--text-sub);
  transition:var(--transition);
}

.tag-pill:hover{
  border-color:var(--primary);
  color:var(--primary);
  box-shadow:0 4px 12px rgba(31,78,71,0.08);
}

.tag-pill.active{
  background:var(--primary);
  border-color:var(--primary);
  color:#fff;
}

/* ===== FAQ ===== */
.faq-section{
  padding:var(--space-section) 0;
  background:#fff;
}

.faq-container{
  max-width:860px;
}

.faq-list{
  display:flex;
  flex-direction:column;
  gap:14px;
}

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

.faq-item.active{
  background:#fff;
  border-color:var(--border);
  box-shadow:var(--shadow-hover);
  border-left:4px solid var(--gold);
}

.faq-question{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:20px 28px;
  font-size:17px;
  font-weight:600;
  color:var(--text-main);
  text-align:left;
  background:transparent;
  transition:var(--transition);
}

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

.faq-icon{
  position:relative;
  width:20px;
  height:20px;
  flex-shrink:0;
  margin-left:20px;
}

.faq-icon::before,
.faq-icon::after{
  content:"";
  position:absolute;
  top:50%;
  left:50%;
  transform:translate(-50%,-50%);
  background:var(--text-sub);
  transition:var(--transition);
}

.faq-icon::before{
  width:14px;
  height:2px;
}

.faq-icon::after{
  width:2px;
  height:14px;
}

.faq-item.active .faq-icon::after{
  transform:translate(-50%,-50%) rotate(90deg);
  opacity:0;
}

.faq-item.active .faq-icon::before{
  background:var(--gold);
}

.faq-answer{
  max-height:0;
  overflow:hidden;
  transition:max-height 0.4s ease;
}

.faq-item.active .faq-answer{
  max-height:300px;
}

.faq-answer p{
  padding:0 28px 22px;
  font-size:15px;
  line-height:1.8;
  color:var(--text-sub);
}

/* ===== CTA ===== */
.cta-section{
  padding:0;
  background:var(--bg-paper);
}

.cta-inner{
  background:linear-gradient(120deg,#DFC895,#C2A96A 55%,#D4BC82);
  border-radius:var(--radius-lg);
  padding:64px 48px;
  text-align:center;
  position:relative;
  overflow:hidden;
}

.cta-inner::before,
.cta-inner::after{
  content:"";
  position:absolute;
  border-radius:50%;
  background:rgba(255,255,255,0.18);
}

.cta-inner::before{
  width:200px;
  height:200px;
  top:-80px;
  left:-40px;
}

.cta-inner::after{
  width:140px;
  height:140px;
  bottom:-60px;
  right:-30px;
}

.cta-inner h2{
  font-size:28px;
  color:var(--primary-dark);
  margin-bottom:12px;
  position:relative;
  z-index:1;
}

.cta-inner p{
  color:rgba(20,47,43,0.78);
  font-size:16px;
  margin-bottom:28px;
  position:relative;
  z-index:1;
}

.cta-inner .btn{
  position:relative;
  z-index:1;
}

/* ===== Footer ===== */
.site-footer{
  background:var(--primary-dark);
  color:rgba(255,255,255,0.75);
  padding-top:70px;
  margin-top:90px;
}

.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:48px;
  padding-bottom:50px;
}

.footer-logo{
  display:inline-block;
  font-size:22px;
  font-weight:700;
  color:#fff;
  margin-bottom:16px;
  letter-spacing:1px;
}

.footer-brand p{
  font-size:15px;
  line-height:1.9;
  color:rgba(255,255,255,0.6);
  max-width:360px;
}

.footer-col h4{
  font-size:16px;
  font-weight:600;
  color:#fff;
  margin-bottom:20px;
  letter-spacing:1px;
}

.footer-col ul li{
  margin-bottom:12px;
}

.footer-col ul a,
.footer-col ul span{
  font-size:15px;
  color:rgba(255,255,255,0.65);
  transition:var(--transition);
}

.footer-col ul a:hover{
  color:var(--gold-hover);
  padding-left:6px;
}

.footer-bottom{
  border-top:1px solid rgba(255,255,255,0.1);
  padding:22px 0;
  display:flex;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:10px;
  font-size:13px;
  color:rgba(255,255,255,0.45);
}

/* ===== Responsive ===== */
@media(max-width:1024px){
  .intro-grid{
    grid-template-columns:1fr;
    gap:48px;
  }

  .intro-visual{
    max-width:680px;
  }

  .steps-grid{
    gap:20px;
  }

  .step-icon{
    width:72px;
    height:72px;
  }

  .step-icon svg{
    width:28px;
    height:28px;
  }

  .content-card{
    flex-direction:column;
  }

  .content-card .card-media{
    flex:0 0 200px;
  }

  .quote-wrapper blockquote{
    font-size:18px;
  }
}

@media(max-width:768px){
  :root{
    --space-section:56px;
  }

  .header-tools .tool-link,
  .header-tools .service-status{
    display:none;
  }

  .menu-toggle{
    display:flex;
  }

  .category-banner{
    min-height:480px;
  }

  .category-banner h1{
    font-size:32px;
  }

  .category-banner .banner-desc{
    font-size:16px;
  }

  .trust-metrics{
    grid-template-columns:1fr 1fr;
    gap:16px;
  }

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

  .feature-item + .feature-item{
    border-left:none;
    border-top:1px solid var(--border);
  }

  .intro-metrics{
    grid-template-columns:1fr 1fr;
  }

  .steps-grid{
    grid-template-columns:1fr;
    gap:28px;
  }

  .steps-grid::before{
    display:none;
  }

  .step-item{
    display:flex;
    align-items:center;
    text-align:left;
    gap:24px;
    padding:0;
  }

  .step-icon{
    margin:0;
    flex-shrink:0;
    width:64px;
    height:64px;
  }

  .step-item h3{
    margin-bottom:4px;
  }

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

  .content-card .card-media{
    flex:0 0 180px;
  }

  .footer-grid{
    grid-template-columns:1fr 1fr;
    gap:36px;
  }

  .footer-bottom{
    justify-content:center;
    text-align:center;
  }

  .cta-inner{
    padding:48px 28px;
  }

  .cta-inner h2{
    font-size:22px;
  }
}

@media(max-width:520px){
  .logo-text{
    font-size:18px;
  }

  .logo-icon{
    width:36px;
    height:36px;
    font-size:18px;
  }

  .category-banner h1{
    font-size:26px;
  }

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

  .banner-actions .btn{
    width:100%;
  }

  .trust-metrics{
    grid-template-columns:1fr;
  }

  .section-head h2{
    font-size:24px;
  }

  .section-head p{
    font-size:16px;
  }

  .intro-metrics{
    grid-template-columns:1fr;
  }

  .step-item{
    flex-direction:column;
    text-align:center;
    gap:12px;
  }

  .step-icon{
    margin:0 auto;
  }

  .content-card .card-media{
    flex:0 0 160px;
  }

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

  .faq-question{
    padding:18px 18px;
    font-size:15px;
  }

  .faq-answer p{
    padding:0 18px 18px;
    font-size:14px;
  }
}

/* roulang page: article */
:root {
  --primary: #1F4E47;
  --primary-dark: #142F2B;
  --primary-light: #E8F0ED;
  --gold: #C2A96A;
  --gold-hover: #D4BC82;
  --bg: #F7F4EE;
  --white: #fff;
  --text: #222624;
  --text-secondary: #5A6460;
  --text-muted: #8B938F;
  --border: #E3E1DA;
  --error: #B5473C;
  --success: #2E7D5B;
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --radius-pill: 999px;
  --shadow-hover: 0 12px 28px rgba(20,47,43,.10);
  --shadow-btn: 0 4px 14px rgba(0,0,0,.2);
  --transition: .25s ease;
  --container: 1240px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; object-fit: cover; }
button, input, textarea { font: inherit; border: none; background: none; }
ul, ol { list-style: none; }
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--primary-dark);
  box-shadow: 0 2px 16px rgba(0,0,0,.12);
}
.header-top { background: var(--primary-dark); padding: 14px 0; }
.header-top-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  letter-spacing: .5px;
}
.brand-logo .logo-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--gold), var(--gold-hover));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-dark);
  font-weight: 800;
  font-size: 18px;
}
.header-tools {
  display: flex;
  align-items: center;
  gap: 18px;
  color: rgba(255,255,255,.82);
  font-size: 14px;
}
.header-tools a { color: rgba(255,255,255,.85); }
.header-tools a:hover { color: var(--gold-hover); }
.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: rgba(255,255,255,.12);
  align-items: center;
  justify-content: center;
  color: #fff;
  cursor: pointer;
  transition: var(--transition);
}
.nav-toggle:hover { background: rgba(255,255,255,.2); }
.channel-bar { background: var(--bg); border-bottom: 1px solid var(--border); }
.channel-bar-inner {
  display: flex;
  align-items: center;
  gap: 8px;
  overflow-x: auto;
  padding: 10px 24px;
  min-height: 56px;
  scrollbar-width: none;
}
.channel-bar-inner::-webkit-scrollbar { display: none; }
.channel-link {
  flex: 0 0 auto;
  padding: 8px 20px;
  border-radius: var(--radius-pill);
  font-size: 15px;
  font-weight: 500;
  color: var(--text-secondary);
  border: 1px solid transparent;
  transition: var(--transition);
}
.channel-link:hover { color: var(--primary); background: rgba(31,78,71,.06); }
.channel-link.active { background: var(--primary); color: #fff; box-shadow: var(--shadow-btn); }
.nav-overlay { display: none; }

/* Page banner */
.page-banner {
  position: relative;
  background-image: url('/assets/images/backpic/back-1.webp');
  background-size: cover;
  background-position: center;
  padding: 92px 0 82px;
  color: #fff;
}
.page-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(20,47,43,.66), rgba(20,47,43,.86));
}
.page-banner .container { position: relative; z-index: 2; }
.breadcrumb { font-size: 14px; color: rgba(255,255,255,.72); margin-bottom: 18px; }
.breadcrumb a { color: rgba(255,255,255,.72); transition: var(--transition); }
.breadcrumb a:hover { color: var(--gold-hover); }
.breadcrumb .sep { margin: 0 8px; color: rgba(255,255,255,.4); }
.cate-tag {
  display: inline-block;
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  background: var(--gold);
  color: var(--primary-dark);
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 16px;
  letter-spacing: .3px;
}
.banner-title {
  font-size: 42px;
  line-height: 1.3;
  font-weight: 700;
  max-width: 780px;
  margin-bottom: 18px;
  color: #fff;
}
.banner-meta {
  display: flex;
  gap: 24px;
  font-size: 14px;
  color: rgba(255,255,255,.75);
}

/* Article layout */
.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 48px;
  padding: 60px 24px 90px;
}
.article-main { min-width: 0; }
.article-content {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 48px;
  border: 1px solid var(--border);
}
.article-content p {
  font-size: 17px;
  line-height: 1.95;
  color: var(--text);
  margin-bottom: 28px;
}
.article-content h2 {
  font-size: 26px;
  margin: 40px 0 18px;
  color: var(--primary);
  font-weight: 700;
}
.article-content h3 {
  font-size: 20px;
  margin: 32px 0 14px;
  color: var(--text);
  font-weight: 600;
}
.article-content img { border-radius: 12px; margin: 24px 0; }
.article-content blockquote {
  border-left: 4px solid var(--gold);
  background: var(--primary-light);
  padding: 18px 22px;
  border-radius: 0 10px 10px 0;
  color: var(--text-secondary);
  margin-bottom: 28px;
}
.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 28px;
}
.article-content th, .article-content td {
  border: 1px solid var(--border);
  padding: 12px 14px;
  font-size: 15px;
  text-align: left;
}
.article-content th { background: var(--primary-light); color: var(--primary); font-weight: 600; }

/* Empty state */
.empty-state {
  background: #fff;
  border: 1.5px dashed var(--border);
  border-radius: var(--radius-lg);
  padding: 64px 40px;
  text-align: center;
}
.empty-icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}
.empty-msg {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 48px;
  padding: 0 28px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}
.btn-primary { background: var(--primary); color: #fff; box-shadow: var(--shadow-btn); }
.btn-primary:hover { background: var(--gold); color: var(--primary-dark); }
.btn-ghost {
  border: 1px solid var(--border);
  color: var(--primary);
  background: transparent;
}
.btn-ghost:hover { background: rgba(31,78,71,.05); border-color: var(--primary); transform: translateY(-2px); }

/* Article bottom */
.article-bottom { margin-top: 32px; }
.article-nav {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
}
.article-nav a {
  flex: 1;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 18px 22px;
  font-size: 15px;
  color: var(--text-secondary);
  transition: var(--transition);
}
.article-nav a:hover {
  color: var(--primary);
  border-color: var(--primary);
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}
.article-nav .nav-label {
  display: block;
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 6px;
}
.article-footer-tools {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.btn-return { padding: 0 22px; height: 44px; }
.share-links { display: flex; align-items: center; gap: 10px; }
.share-links span { font-size: 14px; color: var(--text-muted); }
.share-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}
.share-btn:hover { background: var(--primary); color: #fff; border-color: var(--primary); transform: translateY(-2px); }

/* Sidebar */
.article-sidebar { display: flex; flex-direction: column; gap: 28px; }
.sidebar-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 26px;
  transition: var(--transition);
}
.sidebar-card:hover { box-shadow: var(--shadow-hover); }
.sidebar-card .card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}
.sidebar-card h3 { font-size: 18px; color: var(--text); font-weight: 700; }
.sidebar-cover { border-radius: 12px; overflow: hidden; margin-bottom: 16px; }
.sidebar-cover img { width: 100%; height: 180px; object-fit: cover; transition: transform .4s; }
.sidebar-card:hover .sidebar-cover img { transform: scale(1.04); }
.sidebar-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.75;
  margin-bottom: 18px;
}
.btn-block { width: 100%; }
.tag-list { display: flex; flex-wrap: wrap; gap: 10px; }
.tag-list a {
  display: inline-block;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  background: var(--primary-light);
  color: var(--primary);
  font-size: 13px;
  transition: var(--transition);
}
.tag-list a:hover { background: var(--primary); color: #fff; }
.sidebar-contact li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: var(--text-secondary);
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
}
.sidebar-contact li:last-child { border-bottom: none; }
.sidebar-contact .label { color: var(--text-muted); flex: 0 0 72px; }

/* Sections */
.section { background: #fff; padding: 84px 0; }
.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 40px;
}
.section-head h2 { font-size: 32px; font-weight: 700; color: var(--text); line-height: 1.4; }
.section-head .sub { color: var(--text-muted); font-size: 15px; margin-top: 8px; }
.more-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
  transition: var(--transition);
}
.more-link:hover { color: var(--gold); gap: 10px; }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.related-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  padding: 24px;
  transition: var(--transition);
  display: block;
}
.related-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.related-thumb { border-radius: 12px; overflow: hidden; margin-bottom: 16px; }
.related-thumb img { width: 100%; height: 170px; object-fit: cover; transition: transform .4s; }
.related-card:hover .related-thumb img { transform: scale(1.04); }
.related-card h3 {
  font-size: 18px;
  font-weight: 600;
  line-height: 1.5;
  margin-bottom: 10px;
  color: var(--text);
  transition: var(--transition);
}
.related-card:hover h3 { color: var(--primary); }
.related-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 14px;
}
.related-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: var(--text-muted);
}
.related-meta .card-tag { color: var(--gold); font-weight: 600; }

/* FAQ */
.faq-section { background: var(--bg); padding: 84px 0; }
.faq-list { max-width: 860px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
}
.faq-item:hover { box-shadow: var(--shadow-hover); }
.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 22px 28px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  flex: 0 0 24px;
  transition: var(--transition);
}
.faq-item[open] .faq-icon { background: var(--primary); color: #fff; transform: rotate(45deg); }
.faq-answer { padding: 0 28px 24px; color: var(--text-secondary); font-size: 15px; line-height: 1.85; }
.faq-answer p:last-child { margin-bottom: 0; }

/* CTA */
.cta-band {
  background: linear-gradient(120deg, var(--gold), #d9c49a 55%, var(--gold-hover));
  padding: 72px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-band::before,
.cta-band::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  background: rgba(255,255,255,.22);
}
.cta-band::before { width: 260px; height: 260px; left: -80px; top: -120px; }
.cta-band::after { width: 180px; height: 180px; right: -30px; bottom: -80px; }
.cta-band .container { position: relative; z-index: 2; }
.cta-band h2 { font-size: 28px; color: var(--primary-dark); margin-bottom: 14px; }
.cta-band p { color: rgba(20,47,43,.72); font-size: 16px; margin-bottom: 28px; }

/* Footer */
.site-footer { background: var(--primary-dark); color: rgba(255,255,255,.75); padding: 64px 0 0; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 48px;
  padding-bottom: 48px;
}
.footer-logo {
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
}
.footer-brand p { font-size: 14px; line-height: 1.8; color: rgba(255,255,255,.6); max-width: 320px; }
.footer-col h4 { color: #fff; font-size: 16px; font-weight: 600; margin-bottom: 16px; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul a,
.footer-col ul span { font-size: 14px; color: rgba(255,255,255,.6); transition: var(--transition); }
.footer-col ul a:hover { color: var(--gold-hover); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.12); padding: 20px 0; }
.footer-bottom .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: rgba(255,255,255,.5);
}

/* Responsive */
@media (max-width: 1024px) {
  .article-layout { grid-template-columns: 1fr; gap: 40px; }
  .related-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 768px) {
  .nav-toggle { display: flex; }
  .header-tools .tool-date { display: none; }
  .brand-logo { font-size: 17px; }
  .brand-logo .logo-icon { width: 36px; height: 36px; font-size: 15px; }
  .channel-bar {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 280px;
    max-width: 80vw;
    background: var(--bg);
    transform: translateX(100%);
    transition: transform .3s ease;
    z-index: 300;
    box-shadow: -8px 0 24px rgba(0,0,0,.15);
    padding-top: 20px;
    border-left: 1px solid var(--border);
    border-bottom: none;
  }
  .channel-bar.open { transform: translateX(0); }
  .channel-bar-inner { flex-direction: column; align-items: stretch; overflow: visible; padding: 16px 20px; }
  .channel-link { width: 100%; font-size: 16px; }
  .nav-overlay {
    display: block;
    position: fixed;
    inset: 0;
    background: rgba(20,47,43,.52);
    opacity: 0;
    visibility: hidden;
    transition: opacity .3s, visibility .3s;
    z-index: 299;
  }
  .nav-overlay.show { opacity: 1; visibility: visible; }
  .banner-title { font-size: 30px; }
  .article-content { padding: 28px 20px; }
  .article-nav { flex-direction: column; }
  .related-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .section { padding: 56px 0; }
  .faq-section { padding: 56px 0; }
  .section-head { flex-direction: column; align-items: flex-start; }
  .section-head h2 { font-size: 26px; }
  .cta-band h2 { font-size: 24px; }
}
@media (max-width: 480px) {
  .page-banner { padding: 56px 0; }
  .banner-title { font-size: 26px; }
  .article-layout { padding: 32px 16px 64px; }
  .cta-band { padding: 52px 0; }
  .footer-bottom .container { flex-direction: column; gap: 6px; text-align: center; }
}