/* roulang page: index */
:root {
  --primary: #16261F;
  --accent: #C98A3D;
  --accent-hover: #dba35a;
  --bg-light: #F4EFE6;
  --dark-deep: #0E1714;
  --clay: #A85A3A;
  --text-dark: #2A2A2A;
  --text-light: #E8DFD0;
  --text-dim: rgba(232,223,208,0.7);
  --border-soft: rgba(255,255,255,0.12);
  --radius: 10px;
  --radius-btn: 6px;
  --shadow-default: 0 4px 20px rgba(0,0,0,0.15);
  --shadow-hover: 0 8px 32px rgba(0,0,0,0.2);
  --space-section: 100px;
  --space-section-md: 64px;
  --space-section-sm: 40px;
  --font-stack: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-stack);
  font-size: 16px;
  line-height: 1.75;
  color: var(--text-dark);
  background: #fff;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--primary); text-decoration: none; transition: color .2s ease, border-color .2s ease; }
a:hover { color: var(--accent); }
ul, ol { list-style: none; }
button, input, select, textarea { font-family: inherit; font-size: inherit; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
h1, h2, h3, h4 { line-height: 1.25; font-weight: 700; }

/* ============ Header / Nav ============ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  background: rgba(22,38,31,0.9);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  transition: box-shadow .3s;
}
.site-header.is-scrolled { box-shadow: 0 4px 24px rgba(0,0,0,0.4); }
.nav-wrap { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.nav-logo { display: flex; align-items: center; gap: 10px; }
.nav-logo i {
  width: 38px; height: 38px; background: var(--accent); color: var(--primary);
  border-radius: 6px; display: flex; align-items: center; justify-content: center; font-size: 18px;
}
.nav-logo span { color: var(--text-light); font-size: 18px; font-weight: 800; letter-spacing: .5px; white-space: nowrap; }
.nav-menu { display: flex; align-items: center; gap: 28px; }
.nav-menu a { color: var(--text-dim); font-size: 15px; font-weight: 500; position: relative; padding-bottom: 6px; }
.nav-menu a:hover { color: var(--accent); }
.nav-menu a.active { color: var(--accent); }
.nav-menu a.active::after { content: ''; position: absolute; left: 0; bottom: 0; width: 100%; height: 2px; background: var(--accent); }
.nav-right { display: flex; align-items: center; gap: 14px; }
.nav-tel { color: var(--text-light); font-size: 14px; font-weight: 600; white-space: nowrap; }
.nav-tel i { color: var(--accent); margin-right: 5px; }
.btn-nav-cta {
  display: inline-flex; align-items: center; gap: 6px; background: var(--accent); color: var(--primary);
  font-weight: 700; font-size: 14px; padding: 8px 20px; border-radius: var(--radius-btn); transition: all .2s;
}
.btn-nav-cta:hover { background: var(--accent-hover); color: var(--primary); transform: translateY(-1px); }
.hamburger { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.hamburger span { display: block; width: 24px; height: 2px; background: var(--text-light); margin-bottom: 6px; transition: all .3s; }
.hamburger span:last-child { margin-bottom: 0; }
.mobile-drawer {
  display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100%;
  background: var(--dark-deep); z-index: 99; padding: 80px 24px 40px; flex-direction: column;
}
.mobile-drawer.open { display: flex; }
.mobile-drawer a { color: var(--text-light); font-size: 20px; line-height: 48px; border-bottom: 1px solid rgba(255,255,255,0.06); }
.mobile-drawer a:hover { color: var(--accent); }
.mobile-drawer .drawer-tel { margin-top: 30px; color: var(--text-dim); font-size: 16px; }

/* ============ Hero Bento ============ */
.hero {
  position: relative;
  background: linear-gradient(135deg, rgba(22,38,31,0.92) 0%, rgba(14,23,20,0.75) 100%), url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
  color: var(--text-light);
  padding: 160px 0 60px;
  overflow: hidden;
}
.hero::after { content: ''; position: absolute; bottom: 0; left: 0; width: 100%; height: 80px; background: linear-gradient(transparent, rgba(14,23,20,0.4)); }
.hero-bento { display: grid; grid-template-columns: 1.6fr 1fr; gap: 24px; position: relative; z-index: 2; }
.hero-main {
  background: rgba(22,38,31,0.55);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius);
  padding: 48px;
  display: flex; flex-direction: column; justify-content: center;
  backdrop-filter: blur(4px);
}
.hero-tag {
  display: inline-flex; align-items: center; gap: 8px; background: rgba(201,138,61,0.15);
  color: var(--accent); font-size: 13px; font-weight: 700; letter-spacing: 1px;
  padding: 4px 14px; border-radius: 20px; margin-bottom: 22px; width: fit-content;
}
.hero-main h1 { font-size: 40px; font-weight: 800; letter-spacing: -0.5px; color: var(--text-light); margin-bottom: 18px; line-height: 1.2; }
.hero-main .lead { font-size: 16px; color: var(--text-dim); max-width: 520px; margin-bottom: 28px; line-height: 1.8; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }
.btn-primary {
  display: inline-flex; align-items: center; gap: 8px; background: var(--accent); color: var(--primary);
  font-weight: 700; font-size: 15px; padding: 14px 32px; border-radius: var(--radius-btn);
  border: none; cursor: pointer; transition: all .2s;
}
.btn-primary:hover { background: var(--accent-hover); color: var(--primary); transform: translateY(-2px); box-shadow: 0 6px 16px rgba(201,138,61,0.35); }
.btn-primary:active { transform: translateY(0); box-shadow: 0 3px 8px rgba(201,138,61,0.2); }
.btn-primary:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.btn-secondary {
  display: inline-flex; align-items: center; gap: 8px; background: transparent; color: var(--accent);
  font-weight: 700; font-size: 15px; padding: 14px 32px; border-radius: var(--radius-btn);
  border: 1px solid var(--accent); cursor: pointer; transition: all .2s;
}
.btn-secondary:hover { background: rgba(201,138,61,0.1); color: var(--accent); }
.btn-secondary:active { transform: translateY(1px); }
.btn-secondary:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.hero-side { display: flex; flex-direction: column; gap: 24px; }
.hero-card {
  background: rgba(22,38,31,0.6);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius);
  padding: 28px;
  backdrop-filter: blur(4px);
  flex: 1;
}
.hero-card h3 { font-size: 14px; color: var(--accent); font-weight: 700; letter-spacing: 1px; text-transform: uppercase; margin-bottom: 14px; }
.hero-card.daily .tea-item { display: flex; justify-content: space-between; padding: 10px 0; border-bottom: 1px solid rgba(255,255,255,0.05); }
.hero-card.daily .tea-item:last-child { border-bottom: none; }
.hero-card.daily .tea-name { color: var(--text-light); font-size: 14px; font-weight: 500; }
.hero-card.daily .tea-price { color: var(--accent); font-size: 14px; font-weight: 700; }
.hero-card.daily .tea-type { display: block; color: var(--text-dim); font-size: 12px; margin-top: 2px; }
.hero-card.hours .time-block { display: flex; align-items: center; gap: 12px; padding: 8px 0; color: var(--text-light); font-size: 14px; }
.hero-card.hours .time-block i { color: var(--accent); width: 16px; text-align: center; }
.hero-card.hours .time-block .dim { color: var(--text-dim); font-size: 12px; }
.hero-strip {
  grid-column: 1 / -1;
  background: rgba(14,23,20,0.6);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius);
  padding: 20px 28px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap;
}
.hero-strip .strip-item { display: flex; align-items: center; gap: 10px; color: var(--text-light); font-size: 14px; }
.hero-strip .strip-item i { color: var(--accent); font-size: 16px; }
.hero-strip .strip-label { color: var(--text-dim); font-size: 12px; margin-right: 4px; }

/* ============ Stats ============ */
.stats {
  background: var(--primary);
  padding: 70px 0;
  position: relative;
  clip-path: polygon(0 4%, 100% 0, 100% 96%, 0 100%);
  margin: 20px 0;
}
.stats-inner { max-width: 1100px; margin: 0 auto; padding: 20px 24px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; }
.stat-item { text-align: center; }
.stat-label { font-size: 12px; color: var(--text-dim); letter-spacing: 2px; text-transform: uppercase; margin-bottom: 10px; }
.stat-num { font-size: 36px; font-weight: 800; color: var(--accent); text-shadow: 0 0 12px rgba(201,138,61,0.3); font-variant-numeric: tabular-nums; }
.stat-unit { font-size: 14px; color: var(--text-dim); margin-left: 2px; }
.stat-line { width: 28px; height: 4px; background: var(--accent); margin: 10px auto 0; border-radius: 2px; }

/* ============ Section common ============ */
.section { padding: var(--space-section) 0; }
.section-header { max-width: 640px; margin-bottom: 48px; }
.section-header .section-kicker { font-size: 12px; font-weight: 700; letter-spacing: 2px; color: var(--clay); text-transform: uppercase; }
.section-header h2 { font-size: 28px; font-weight: 700; color: var(--primary); margin: 8px 0 12px; position: relative; padding-left: 18px; }
.section-header h2::before { content: ''; position: absolute; left: 0; top: 4px; width: 4px; height: 28px; background: var(--accent); border-radius: 2px; }
.section-header .section-desc { color: #6b6b6b; font-size: 15px; line-height: 1.7; }

/* ============ Services Cards ============ */
.services { background: var(--bg-light); }
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.service-card {
  background: #fff; border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow-default); transition: all .25s ease; position: relative;
}
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); border: 1px solid var(--accent); }
.service-card .cover { position: relative; height: 180px; overflow: hidden; background: var(--primary); }
.service-card .cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .3s ease; }
.service-card:hover .cover img { transform: scale(1.03); }
.service-card .cover::after { content: ''; position: absolute; bottom: 0; left: 0; width: 100%; height: 40px; background: linear-gradient(transparent, rgba(22,38,31,0.5)); }
.service-card .num {
  position: absolute; top: 16px; left: 16px; font-size: 40px; font-weight: 800;
  color: rgba(255,255,255,0.3); z-index: 2; line-height: 1; font-variant-numeric: tabular-nums;
}
.service-card .body { padding: 24px; }
.service-card .body h3 { font-size: 19px; font-weight: 700; color: var(--primary); margin-bottom: 8px; }
.service-card .body .desc { font-size: 14px; color: #6b6b6b; margin-bottom: 14px; line-height: 1.6; }
.service-meta { display: flex; flex-wrap: wrap; gap: 8px; }
.service-meta .tag {
  font-size: 12px; color: var(--primary); background: var(--bg-light); padding: 4px 10px;
  border-radius: 20px; font-weight: 600;
}
.service-meta .tag.hot { background: rgba(168,90,58,0.12); color: var(--clay); }

/* ============ How To Steps ============ */
.howto { background: #fff; }
.steps-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.step-item { text-align: center; padding: 32px 20px; border-radius: var(--radius); background: var(--bg-light); transition: all .2s; }
.step-item:hover { background: #ece5d9; transform: translateY(-3px); }
.step-icon { width: 56px; height: 56px; background: var(--primary); color: var(--accent); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 20px; margin: 0 auto 16px; }
.step-item h3 { font-size: 16px; font-weight: 700; color: var(--primary); margin-bottom: 8px; }
.step-item p { font-size: 13px; color: #6b6b6b; line-height: 1.6; }
.step-arrow { display: flex; align-items: center; justify-content: center; color: var(--accent); font-size: 20px; }

/* ============ News / CMS ============ */
.news { background: var(--bg-light); }
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.news-card {
  background: #fff; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-default);
  transition: all .25s ease; display: flex; flex-direction: column;
}
.news-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.news-card:hover .news-title { color: var(--accent); }
.news-card .news-cover { height: 140px; overflow: hidden; background: var(--primary); }
.news-card .news-cover img { width: 100%; height: 100%; object-fit: cover; }
.news-card .news-body { padding: 20px; flex: 1; display: flex; flex-direction: column; }
.news-card .news-tag { align-self: flex-start; font-size: 11px; font-weight: 700; color: var(--clay); background: rgba(168,90,58,0.1); padding: 3px 10px; border-radius: 20px; margin-bottom: 10px; }
.news-card .news-title { font-size: 16px; font-weight: 700; color: var(--primary); margin-bottom: 8px; transition: color .2s; }
.news-card .news-excerpt { font-size: 13px; color: #777; line-height: 1.6; flex: 1; }
.news-card .news-meta { display: flex; justify-content: space-between; align-items: center; margin-top: 14px; font-size: 12px; color: #999; }
.news-empty {
  grid-column: 1 / -1; text-align: center; padding: 40px 20px;
  color: #999; background: #fff; border-radius: var(--radius); border: 1px dashed #ddd;
}
.news-empty i { font-size: 32px; margin-bottom: 10px; display: block; color: #bbb; }

/* ============ Reviews ============ */
.reviews { background: var(--primary); position: relative; }
.reviews::before { content: ''; position: absolute; left: 0; top: 0; width: 1px; height: 100%; background: rgba(255,255,255,0.08); }
.reviews::after { content: ''; position: absolute; right: 0; top: 0; width: 1px; height: 100%; background: rgba(255,255,255,0.08); }
.reviews .section-header h2 { color: var(--text-light); }
.reviews .section-header .section-desc { color: var(--text-dim); }
.review-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 24px; }
.review-card {
  background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius); padding: 28px; position: relative; transition: all .2s;
}
.review-card:hover { background: rgba(255,255,255,0.08); transform: translateY(-3px); }
.review-badge {
  position: absolute; top: 16px; left: 16px; background: var(--accent); color: var(--primary);
  font-size: 10px; font-weight: 700; padding: 2px 10px; border-radius: 20px;
}
.review-card .stars { color: var(--accent); font-size: 14px; margin: 8px 0 14px; }
.review-card p { font-size: 14px; color: var(--text-light); line-height: 1.7; }
.review-card .who { margin-top: 16px; font-size: 12px; color: var(--text-dim); }
.review-card.featured { grid-row: span 1; }

/* ============ FAQ ============ */
.faq { background: #fff; }
.faq-wrap { max-width: 860px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid #eee; padding: 20px 0; }
.faq-item details { cursor: pointer; }
.faq-item summary { display: flex; align-items: center; gap: 14px; cursor: pointer; font-size: 16px; font-weight: 600; color: var(--primary); list-style: none; transition: color .2s; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:hover { color: var(--accent); }
.faq-item .q-badge {
  width: 28px; height: 28px; border-radius: 50%; background: var(--bg-light); color: var(--primary);
  display: flex; align-items: center; justify-content: center; font-size: 12px; font-weight: 700; flex-shrink: 0;
  transition: all .2s;
}
.faq-item details[open] .q-badge { background: var(--accent); color: var(--primary); }
.faq-answer {
  padding-left: 42px; margin-top: 12px; border-left: 3px solid var(--accent); padding-left: 32px;
  color: #6b6b6b; font-size: 14px; line-height: 1.8;
}
.faq-answer p { margin-bottom: 8px; }
.faq-answer p:last-child { margin-bottom: 0; }
.faq-item .fa-chevron-down { margin-left: auto; color: var(--accent); font-size: 12px; }
.faq-item details[open] .fa-chevron-down { transform: rotate(180deg); }

/* ============ Contact / CTA ============ */
.contact { background: var(--primary); position: relative; overflow: hidden; }
.contact::before { content: ''; position: absolute; inset: 0; background: url('/assets/images/backpic/back-3.jpg') center/cover no-repeat; opacity: 0.2; }
.contact-inner { position: relative; z-index: 2; display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }
.contact-info h2 { color: var(--text-light); font-size: 28px; margin-bottom: 12px; }
.contact-info p { color: var(--text-dim); font-size: 15px; margin-bottom: 28px; }
.contact-info .info-list li { display: flex; align-items: flex-start; gap: 14px; padding: 12px 0; color: var(--text-light); font-size: 15px; border-bottom: 1px solid rgba(255,255,255,0.06); }
.contact-info .info-list i { color: var(--accent); margin-top: 4px; width: 18px; text-align: center; }
.contact-info .info-list .dim { color: var(--text-dim); font-size: 13px; display: block; }
.contact-form { background: rgba(255,255,255,0.04); border: 1px solid var(--border-soft); border-radius: var(--radius); padding: 36px; }
.contact-form h3 { color: var(--text-light); font-size: 20px; margin-bottom: 24px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 12px; font-weight: 600; color: var(--text-dim); margin-bottom: 6px; }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%; height: 44px; background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--radius-btn); padding: 0 14px; color: var(--text-light); font-size: 14px; transition: all .2s;
}
.form-group textarea { height: 100px; padding: 12px 14px; resize: vertical; }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(201,138,61,0.2);
}
.form-group select { appearance: none; -webkit-appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23C98A3D' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; }
.form-group select option { background: var(--dark-deep); color: var(--text-light); }
.form-submit { margin-top: 24px; }
.form-submit .btn-primary { width: 100%; justify-content: center; }

/* ============ Footer ============ */
.site-footer { background: var(--dark-deep); color: var(--text-dim); padding: 60px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 48px; padding-bottom: 40px; }
.footer-brand .footer-logo { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.footer-brand .footer-logo i { width: 32px; height: 32px; background: var(--accent); color: var(--primary); border-radius: 6px; display: flex; align-items: center; justify-content: center; font-size: 14px; }
.footer-brand .footer-logo span { color: var(--text-light); font-size: 16px; font-weight: 700; }
.footer-brand p { font-size: 13px; line-height: 1.7; }
.footer-col h4 { color: var(--text-light); font-size: 15px; font-weight: 700; margin-bottom: 16px; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { color: var(--text-dim); font-size: 14px; transition: color .2s; }
.footer-col ul li a:hover { color: var(--accent); }
.footer-col ul li .dim { display: block; color: var(--text-dim); font-size: 13px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); padding: 20px 0; text-align: center; font-size: 13px; color: rgba(232,223,208,0.5); }

/* ============ Responsive ============ */
@media (max-width: 1024px) {
  .hero-bento { grid-template-columns: 1fr; }
  .hero-main { padding: 36px; }
  .stats-inner { grid-template-columns: repeat(4, 1fr); }
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .news-grid { grid-template-columns: repeat(2, 1fr); }
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
  .review-grid { grid-template-columns: 1fr 1fr; }
  .contact-inner { grid-template-columns: 1fr; gap: 32px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .nav-menu, .nav-tel { display: none; }
  .hamburger { display: block; }
  .nav-right { gap: 8px; }
  .btn-nav-cta { padding: 6px 14px; font-size: 13px; }
  .hero-main h1 { font-size: 28px; }
  .hero-strip { flex-direction: column; align-items: flex-start; }
  .stats { clip-path: none; margin: 0; }
  .stats-inner { grid-template-columns: 1fr 1fr; gap: 24px; }
  .section { padding: var(--space-section-sm) 0; }
  .section-header h2 { font-size: 24px; }
  .services-grid { grid-template-columns: 1fr; }
  .news-grid { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: 1fr; }
  .review-grid { grid-template-columns: 1fr; }
  .contact-form { padding: 24px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
}
@media (max-width: 520px) {
  .hero-main { padding: 24px; }
  .hero-main h1 { font-size: 24px; }
  .hero-main .lead { font-size: 14px; }
  .btn-primary, .btn-secondary { width: 100%; justify-content: center; }
  .nav-logo span { font-size: 14px; }
  .section-header .section-desc { font-size: 14px; }
}

/* roulang page: article */
:root {
  --primary: #16261F;
  --accent: #C98A3D;
  --accent-hover: #dba35a;
  --bg-light: #F4EFE6;
  --dark-deep: #0E1714;
  --clay: #A85A3A;
  --text-dark: #2A2A2A;
  --text-light: #E8DFD0;
  --text-dim: rgba(232,223,208,0.7);
  --border-soft: rgba(255,255,255,0.12);
  --radius: 10px;
  --radius-btn: 6px;
  --shadow-default: 0 4px 20px rgba(0,0,0,0.15);
  --shadow-hover: 0 8px 32px rgba(0,0,0,0.2);
  --space-section: 100px;
  --space-section-md: 64px;
  --space-section-sm: 40px;
  --font-stack: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
}
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-stack);
  font-size: 16px;
  line-height: 1.75;
  color: var(--text-dark);
  background: #fff;
  -webkit-font-smoothing: antialiased;
  margin: 0;
  padding: 0;
}
*, *::before, *::after { box-sizing: border-box; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--primary); text-decoration: none; transition: color .2s ease, border-color .2s ease; }
a:hover { color: var(--accent); }
button, input, select, textarea { font-family: inherit; font-size: inherit; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ============ Header / Nav ============ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  background: rgba(22,38,31,0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  transition: box-shadow .3s;
}
.site-header.is-scrolled { box-shadow: 0 4px 24px rgba(0,0,0,0.4); }
.nav-wrap { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.nav-logo { display: flex; align-items: center; gap: 10px; }
.nav-logo i {
  width: 38px; height: 38px; background: var(--accent); color: var(--primary);
  border-radius: 6px; display: flex; align-items: center; justify-content: center; font-size: 18px;
}
.nav-logo span { color: var(--text-light); font-size: 18px; font-weight: 800; letter-spacing: .5px; white-space: nowrap; }
.nav-menu { display: flex; align-items: center; gap: 28px; }
.nav-menu a { color: var(--text-dim); font-size: 15px; font-weight: 500; position: relative; padding-bottom: 6px; }
.nav-menu a:hover { color: var(--accent); }
.nav-menu a.active { color: var(--accent); }
.nav-menu a.active::after { content: ''; position: absolute; left: 0; bottom: 0; width: 100%; height: 2px; background: var(--accent); }
.nav-right { display: flex; align-items: center; gap: 14px; }
.nav-tel { color: var(--text-light); font-size: 14px; font-weight: 600; white-space: nowrap; }
.nav-tel i { color: var(--accent); margin-right: 5px; }
.btn-nav-cta {
  display: inline-flex; align-items: center; gap: 6px; background: var(--accent); color: var(--primary);
  font-weight: 700; font-size: 14px; padding: 8px 20px; border-radius: var(--radius-btn); transition: all .2s;
}
.btn-nav-cta:hover { background: var(--accent-hover); color: var(--primary); transform: translateY(-1px); }
.hamburger { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.hamburger span { display: block; width: 24px; height: 2px; background: var(--text-light); margin-bottom: 6px; transition: all .3s; }
.hamburger span:last-child { margin-bottom: 0; }
.mobile-drawer {
  display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100%;
  background: var(--dark-deep); z-index: 99; padding: 80px 24px 40px; flex-direction: column;
  overflow-y: auto;
}
.mobile-drawer.open { display: flex; animation: drawerFade .3s ease; }
@keyframes drawerFade { from { opacity: 0; } to { opacity: 1; } }
.mobile-drawer a { color: var(--text-light); font-size: 20px; line-height: 48px; border-bottom: 1px solid rgba(255,255,255,0.06); }
.mobile-drawer a:hover { color: var(--accent); }
.mobile-drawer a.active { color: var(--accent); }
.mobile-drawer .drawer-tel { margin-top: 30px; color: var(--text-dim); font-size: 16px; }
.mobile-drawer .drawer-close {
  position: absolute; top: 20px; right: 24px; background: none; border: none; color: var(--text-dim);
  font-size: 22px; cursor: pointer; padding: 8px;
}
.mobile-drawer .drawer-close:hover { color: var(--accent); }

/* ============ Buttons ============ */
.btn-primary {
  display: inline-flex; align-items: center; gap: 8px; background: var(--accent); color: var(--primary);
  font-weight: 700; font-size: 15px; padding: 14px 32px; border-radius: var(--radius-btn);
  border: none; cursor: pointer; transition: all .2s;
}
.btn-primary:hover { background: var(--accent-hover); color: var(--primary); transform: translateY(-2px); box-shadow: 0 6px 16px rgba(201,138,61,0.35); }
.btn-primary:active { transform: translateY(0); box-shadow: 0 3px 8px rgba(201,138,61,0.2); }
.btn-primary:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.btn-secondary {
  display: inline-flex; align-items: center; gap: 8px; background: transparent; color: var(--accent);
  font-weight: 700; font-size: 15px; padding: 14px 32px; border-radius: var(--radius-btn);
  border: 1px solid var(--accent); cursor: pointer; transition: all .2s;
}
.btn-secondary:hover { background: rgba(201,138,61,0.1); color: var(--accent); }
.btn-secondary:active { transform: translateY(1px); }
.btn-secondary:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* ============ Article Hero ============ */
.article-hero {
  background: linear-gradient(135deg, rgba(22,38,31,0.94) 0%, rgba(14,23,20,0.78) 100%), url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  color: var(--text-light);
  padding: 148px 0 52px;
  position: relative;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.article-hero::after { content: ''; position: absolute; bottom: 0; left: 0; width: 100%; height: 40px; background: linear-gradient(transparent, rgba(14,23,20,0.35)); }
.breadcrumb { display: flex; align-items: center; gap: 8px; font-size: 14px; color: var(--text-dim); margin-bottom: 22px; position: relative; z-index: 2; flex-wrap: wrap; }
.breadcrumb i { font-size: 11px; color: var(--text-dim); }
.breadcrumb a { color: var(--accent); }
.breadcrumb a:hover { color: var(--accent-hover); }
.breadcrumb span { color: var(--text-dim); }
.article-hero h1 { font-size: 34px; font-weight: 800; line-height: 1.3; letter-spacing: -0.5px; color: var(--text-light); margin: 0 0 18px; max-width: 860px; position: relative; z-index: 2; }
.article-meta { display: flex; flex-wrap: wrap; gap: 18px; position: relative; z-index: 2; }
.meta-item { display: inline-flex; align-items: center; gap: 6px; font-size: 14px; color: var(--text-dim); }
.meta-item i { color: var(--accent); font-size: 13px; }

/* ============ Article Cover ============ */
.article-cover { padding: 40px 0 0; }
.article-cover img { width: 100%; aspect-ratio: 16/7; object-fit: cover; border-radius: var(--radius); box-shadow: var(--shadow-default); }

/* ============ Article Body ============ */
.article-main { padding: 48px 0 20px; }
.article-main-inner { max-width: 720px; margin: 0 auto; padding: 0 20px; }
.article-not-found { text-align: center; padding: 60px 20px 80px; }
.article-not-found i { font-size: 48px; color: var(--accent); margin-bottom: 20px; }
.article-not-found h2 { font-size: 24px; font-weight: 700; color: var(--primary); margin-bottom: 12px; }
.article-not-found p { color: #777; margin-bottom: 24px; }
.article-content { font-size: 17px; line-height: 2.0; color: var(--text-dark); }
.article-content > p { margin-bottom: 28px; }
.article-content h2 { font-size: 24px; color: var(--primary); font-weight: 700; margin: 36px 0 16px; line-height: 1.4; }
.article-content h3 { font-size: 20px; color: var(--primary); font-weight: 700; margin: 32px 0 14px; line-height: 1.4; }
.article-content h4 { font-size: 18px; color: var(--primary); font-weight: 700; margin: 28px 0 12px; }
.article-content blockquote {
  border-left: 4px solid var(--accent);
  background: var(--bg-light);
  padding: 16px 24px;
  margin: 28px 0;
  border-radius: 0 var(--radius) var(--radius) 0;
  color: #564b3f;
  font-size: 16px;
  line-height: 1.9;
}
.article-content ul, .article-content ol { margin: 20px 0; padding: 0; list-style: none; }
.article-content ul li, .article-content ol li { padding-left: 24px; position: relative; margin-bottom: 8px; }
.article-content ul li::before, .article-content ol li::before { content: '▸'; color: var(--accent); position: absolute; left: 0; font-weight: 700; }
.article-content ol { counter-reset: article-ol; }
.article-content ol li { counter-increment: article-ol; }
.article-content ol li::before { content: counter(article-ol) '.'; color: var(--accent); font-weight: 700; }
.article-content img { border-radius: var(--radius); margin: 28px auto; }
.article-content a { color: var(--clay); text-decoration: underline; text-underline-offset: 3px; }
.article-content a:hover { color: var(--accent); }
.article-content table { width: 100%; border-collapse: collapse; margin: 24px 0; }
.article-content table th, .article-content table td { border: 1px solid #e5e0d6; padding: 10px 14px; text-align: left; }
.article-content table th { background: var(--bg-light); font-weight: 700; }

/* ============ Article Tags ============ */
.article-tags { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin: 40px 0 0; padding-top: 24px; border-top: 1px solid #eee; }
.tag {
  display: inline-flex; align-items: center; gap: 6px;
  background: rgba(201,138,61,0.14); color: var(--primary);
  font-size: 13px; font-weight: 600;
  padding: 6px 18px; border-radius: 20px;
}

/* ============ Article Pager ============ */
.article-pager { margin: 44px 0 0; }
.pager-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.pager-card {
  background: var(--bg-light);
  border: 1px solid rgba(0,0,0,0.05);
  border-radius: var(--radius);
  padding: 20px 24px;
  transition: background .25s, transform .25s, box-shadow .25s;
}
.pager-card:hover { background: #fff; box-shadow: var(--shadow-default); transform: translateX(4px); }
.pager-card.right { text-align: right; }
.pager-card.right:hover { transform: translateX(-4px); }
.pager-label { display: block; font-size: 13px; color: var(--clay); margin-bottom: 6px; }
.pager-card h3 { font-size: 16px; font-weight: 600; margin: 0; line-height: 1.5; }
.pager-card h3 a { color: var(--primary); }
.pager-card h3 a:hover { color: var(--accent); }

/* ============ Related Section ============ */
.related-section { padding: 70px 0 40px; background: #F7F4EE; margin-top: 56px; }
.section-head { display: flex; align-items: center; gap: 14px; margin-bottom: 36px; }
.section-head h2 { font-size: 26px; font-weight: 700; color: var(--primary); margin: 0; }
.section-head .bar { width: 28px; height: 4px; background: var(--accent); border-radius: 2px; }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.related-card {
  background: #fff;
  border: 1px solid rgba(0,0,0,0.05);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-default);
  transition: transform .25s, box-shadow .25s, border-color .25s;
  display: flex; flex-direction: column;
}
.related-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); border-color: var(--accent); }
.related-card img { width: 100%; height: 170px; object-fit: cover; }
.related-body { padding: 20px 24px 24px; flex: 1; display: flex; flex-direction: column; }
.related-tag {
  align-self: flex-start; font-size: 12px; font-weight: 700;
  background: rgba(201,138,61,0.14); color: var(--clay);
  padding: 3px 12px; border-radius: 20px; margin-bottom: 12px;
}
.related-body h3 { font-size: 17px; font-weight: 700; margin: 0 0 8px; line-height: 1.5; }
.related-body h3 a { color: var(--primary); }
.related-body h3 a:hover { color: var(--accent); }
.related-body p { font-size: 14px; color: #8b8984; margin: 0; line-height: 1.7; }

/* ============ Article Back ============ */
.article-back { text-align: center; padding: 56px 24px 20px; }

/* ============ Footer ============ */
.site-footer { background: var(--dark-deep); color: var(--text-dim); padding: 60px 0 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1.2fr; gap: 40px; padding-bottom: 40px; }
.footer-brand .footer-logo { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.footer-brand .footer-logo i { width: 38px; height: 38px; background: var(--accent); color: var(--primary); border-radius: 6px; display: flex; align-items: center; justify-content: center; font-size: 18px; }
.footer-brand .footer-logo span { color: var(--text-light); font-size: 18px; font-weight: 800; }
.footer-brand p { font-size: 14px; color: var(--text-dim); line-height: 1.8; margin: 0; max-width: 320px; }
.footer-col h4 { color: var(--text-light); font-size: 16px; font-weight: 700; margin: 0 0 18px; }
.footer-col ul { list-style: none; margin: 0; padding: 0; }
.footer-col ul li { margin-bottom: 12px; font-size: 14px; color: var(--text-dim); }
.footer-col ul li i { color: var(--accent); margin-right: 8px; width: 16px; text-align: center; }
.footer-col ul li a { color: var(--text-dim); }
.footer-col ul li a:hover { color: var(--accent); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); text-align: center; padding: 22px 0; font-size: 14px; color: var(--text-dim); }

/* ============ Focus / Accessibility ============ */
a:focus-visible, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* ============ Responsive ============ */
@media (max-width: 1023.98px) {
  .nav-menu { display: none; }
  .nav-tel { display: none; }
  .hamburger { display: block; }
  .mobile-drawer { display: none; }
  .mobile-drawer.open { display: flex; }
  .related-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 639.98px) {
  .article-hero { padding: 120px 0 36px; }
  .article-hero h1 { font-size: 26px; }
  .breadcrumb { font-size: 13px; }
  .meta-item { font-size: 13px; }
  .related-grid { grid-template-columns: 1fr; }
  .pager-grid { grid-template-columns: 1fr; }
  .article-tags { justify-content: flex-start; }
  .article-tags { justify-content: center; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .container { padding: 0 20px; }
}
@media (max-width: 520px) {
  .article-content { font-size: 16px; }
  .article-content > p { margin-bottom: 24px; }
  .article-main { padding: 32px 0 16px; }
  .related-section { padding: 48px 0 24px; }
  .btn-primary, .btn-secondary { width: 100%; justify-content: center; }
}