/* roulang page: index */
:root {
  --primary: #1D5C4D;
  --primary-dark: #144539;
  --primary-light: #2A7260;
  --accent: #C29B57;
  --accent-light: #D4AF72;
  --dark: #141715;
  --dark-soft: #1E211E;
  --bg: #F7F6F2;
  --bg-alt: #EDEBE5;
  --text: #1E211E;
  --text-secondary: #5E635E;
  --text-muted: #9A9F9A;
  --border: #E2DED6;
  --white: #FFFFFF;
  --radius-card: 6px;
  --radius-img: 4px;
  --radius-btn: 2px;
  --shadow-card: 0 12px 32px rgba(20, 23, 21, 0.08);
  --shadow-hover: 0 18px 48px rgba(20, 23, 21, 0.12);
  --transition-base: 150ms cubic-bezier(0.25, 0.1, 0.25, 1);
  --transition-slow: 400ms cubic-bezier(0.25, 0.1, 0.25, 1);
  --font-serif: 'Noto Serif SC', 'Source Han Serif SC', 'Songti SC', serif;
  --font-sans: 'Noto Sans SC', 'Source Han Sans SC', 'Inter', 'PingFang SC', sans-serif;
  --container: 1280px;
  --spacing-section: 100px;
  --spacing-section-mobile: 48px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color var(--transition-base); }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, textarea { font-family: inherit; font-size: 14px; }
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.section { padding: var(--spacing-section) 0; }
.section-alt { background: var(--bg-alt); }
.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 48px;
  gap: 24px;
}
.section-head h2 {
  font-family: var(--font-serif);
  font-size: 36px;
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: 0.02em;
}
.section-head .section-desc {
  color: var(--text-secondary);
  font-size: 14px;
  max-width: 480px;
  line-height: 1.7;
}
.more-link {
  color: var(--primary);
  font-size: 14px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
  transition: border-color var(--transition-base);
}
.more-link:hover { border-color: var(--primary); }
.more-link i { font-size: 12px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 600;
  border-radius: var(--radius-btn);
  padding: 12px 28px;
  line-height: 1.4;
  transition: background var(--transition-base), color var(--transition-base), transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
  border: 1px solid transparent;
  cursor: pointer;
}
.btn:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
.btn-accent {
  background: var(--accent);
  color: var(--dark);
}
.btn-accent:hover { background: var(--accent-light); transform: translateY(-1px); box-shadow: 0 6px 20px rgba(194, 155, 87, 0.25); }
.btn-primary { background: var(--primary); color: var(--white); }
.btn-primary:hover { background: var(--primary-light); transform: translateY(-1px); box-shadow: 0 6px 20px rgba(29, 92, 77, 0.25); }
.btn-outline {
  border-color: var(--primary);
  color: var(--primary);
}
.btn-outline:hover { background: rgba(29, 92, 77, 0.08); }
.btn-outline-light { border-color: rgba(255, 255, 255, 0.6); color: #fff; }
.btn-outline-light:hover { background: rgba(255, 255, 255, 0.08); border-color: #fff; }
.btn-ghost { color: var(--text-secondary); }
.btn-ghost:hover { color: var(--primary); }
/* ===== Topbar ===== */
.topbar {
  background: var(--dark);
  color: rgba(255, 255, 255, 0.85);
  font-size: 13px;
  height: 40px;
  transition: height 0.2s ease;
}
.topbar.hidden { display: none; }
.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  gap: 16px;
}
.topbar-text {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.topbar-count {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.count-num {
  background: rgba(255, 255, 255, 0.06);
  border-radius: 2px;
  padding: 1px 4px;
  min-width: 24px;
  text-align: center;
  font-weight: 600;
}
.topbar-close {
  color: rgba(255, 255, 255, 0.5);
  font-size: 18px;
  line-height: 1;
  padding: 4px;
  background: none;
  border: none;
  cursor: pointer;
}
.topbar-close:hover { color: #fff; }
/* ===== Navigation ===== */
.main-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(247, 246, 242, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: background 0.3s ease;
}
.main-nav.scrolled { background: rgba(247, 246, 242, 0.98); }
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
  height: 72px;
  gap: 24px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-icon {
  width: 34px;
  height: 34px;
  background: var(--primary);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 16px;
}
.logo-text {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
  letter-spacing: 0.04em;
}
.nav-links { display: flex; gap: 28px; list-style: none; }
.nav-links a {
  font-size: 15px;
  color: var(--text);
  padding: 8px 2px;
  position: relative;
  font-weight: 400;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width 0.2s cubic-bezier(0.25, 0.1, 0.25, 1);
}
.nav-links a:hover::after,
.nav-links a.active::after { width: 100%; }
.nav-links a.active { font-weight: 600; color: var(--primary); }
.nav-actions { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.nav-search {
  position: relative;
  display: flex;
  align-items: center;
}
.nav-search input {
  width: 0;
  border: 1px solid transparent;
  background: transparent;
  padding: 8px 0;
  font-size: 14px;
  border-radius: 2px;
  outline: none;
  transition: width 0.3s ease, border-color var(--transition-base), padding var(--transition-base), background var(--transition-base);
}
.nav-search input:focus {
  width: 180px;
  border-color: var(--border);
  background: var(--white);
  padding: 8px 12px;
}
.nav-search .search-icon {
  position: absolute;
  right: 0;
  color: var(--text-secondary);
  font-size: 14px;
  padding: 8px;
  transition: color var(--transition-base);
}
.nav-search input:focus + .search-icon { color: var(--primary); }
.nav-toggle {
  display: none;
  font-size: 22px;
  color: var(--text);
  padding: 8px;
  background: none;
  border: none;
  cursor: pointer;
}
/* Mobile drawer */
.drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(20, 23, 21, 0.45);
  z-index: 290;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}
.drawer-overlay.open { opacity: 1; pointer-events: auto; }
.mobile-drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: 320px;
  height: 100vh;
  background: var(--bg);
  box-shadow: -8px 0 32px rgba(20, 23, 21, 0.15);
  z-index: 300;
  transform: translateX(105%);
  transition: transform 0.3s cubic-bezier(0.25, 0.1, 0.25, 1);
  padding: 88px 28px 32px;
  overflow-y: auto;
}
.mobile-drawer.open { transform: translateX(0); }
.mobile-drawer ul { list-style: none; }
.mobile-drawer ul li { border-bottom: 1px solid var(--border); }
.mobile-drawer ul li a {
  display: block;
  padding: 16px 4px;
  font-size: 18px;
  font-weight: 500;
  color: var(--text);
}
.mobile-drawer ul li a.active { color: var(--primary); }
.mobile-drawer ul li a:hover { color: var(--primary); padding-left: 8px; }
.drawer-actions { margin-top: 32px; display: flex; flex-direction: column; gap: 12px; }
.drawer-actions .btn { width: 100%; }
/* ===== Hero ===== */
.hero {
  position: relative;
  background: var(--dark);
  color: #fff;
  overflow: hidden;
  padding: 96px 0 80px;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-1.png') center / cover no-repeat;
  opacity: 0.12;
}
.hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 30% 40%, rgba(29, 92, 77, 0.25) 0%, transparent 60%);
}
.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 64px;
  align-items: center;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--accent);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 6px 14px;
  border-radius: 2px;
  margin-bottom: 28px;
}
.hero-badge::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
}
.hero h1 {
  font-family: var(--font-serif);
  font-size: 56px;
  line-height: 1.15;
  font-weight: 600;
  letter-spacing: 0.01em;
}
.hero h1 .highlight { color: var(--accent); }
.hero-sub {
  color: rgba(255, 255, 255, 0.75);
  font-size: 17px;
  line-height: 1.8;
  margin-top: 24px;
  max-width: 520px;
}
.hero-actions { display: flex; gap: 16px; margin-top: 40px; flex-wrap: wrap; }
.hero-stats {
  display: flex;
  gap: 48px;
  margin-top: 64px;
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}
.hero-stats .stat strong {
  font-family: var(--font-serif);
  font-size: 32px;
  font-weight: 600;
  color: #fff;
  display: block;
  line-height: 1.2;
}
.hero-stats .stat span { font-size: 13px; color: rgba(255, 255, 255, 0.55); }
.hero-media { position: relative; }
.hero-media-frame {
  position: relative;
  border-radius: var(--radius-img);
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background: var(--dark-soft);
}
.hero-media-frame img { width: 100%; height: 100%; object-fit: cover; }
.hero-media-frame::after {
  content: '';
  position: absolute;
  inset: 0;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-img);
  pointer-events: none;
}
.hero-media-border {
  position: absolute;
  top: 18px;
  right: -18px;
  width: 100%;
  height: 100%;
  border: 2px solid var(--accent);
  border-radius: var(--radius-img);
  z-index: -1;
  opacity: 0.4;
}
/* ===== Features ===== */
.features {
  padding: var(--spacing-section) 0;
  background: var(--bg);
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
  border-top: 1px solid var(--border);
  padding-top: 48px;
}
.feature-item { padding-right: 24px; }
.feature-num {
  font-family: var(--font-serif);
  font-size: 44px;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  display: block;
  margin-bottom: 16px;
}
.feature-item h3 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--text);
}
.feature-item p { font-size: 14px; color: var(--text-secondary); line-height: 1.75; }
.features-note {
  margin-top: 56px;
  padding: 20px 24px;
  background: var(--bg-alt);
  border-left: 3px solid var(--accent);
  font-size: 14px;
  color: var(--text-secondary);
  border-radius: 0 var(--radius-card) var(--radius-card) 0;
  display: flex;
  align-items: center;
  gap: 16px;
}
.features-note i { color: var(--accent); font-size: 18px; flex-shrink: 0; }
/* ===== Gallery ===== */
.gallery { padding: var(--spacing-section) 0; background: var(--bg-alt); }
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 24px;
}
.gallery-item {
  position: relative;
  border-radius: var(--radius-img);
  overflow: hidden;
  background: var(--dark);
  aspect-ratio: 16 / 10;
  cursor: pointer;
}
.gallery-item.large { grid-column: span 7; }
.gallery-item.small { grid-column: span 5; }
.gallery-item:nth-child(3) { grid-column: span 5; }
.gallery-item:nth-child(4) { grid-column: span 7; }
.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.01);
  transition: transform var(--transition-slow) cubic-bezier(0.25, 0.1, 0.25, 1);
}
.gallery-item:hover img { transform: scale(1.04); }
.gallery-item::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(20, 23, 21, 0.55) 100%);
  pointer-events: none;
}
.gallery-caption {
  position: absolute;
  left: 24px;
  right: 24px;
  bottom: 20px;
  color: #fff;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.gallery-caption span {
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.03em;
}
.gallery-caption .gallery-link {
  font-size: 13px;
  color: var(--accent);
  opacity: 0;
  transform: translateX(-6px);
  transition: opacity var(--transition-base), transform var(--transition-base);
}
.gallery-item:hover .gallery-link { opacity: 1; transform: translateX(0); }
.gallery-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 28px;
  height: 2px;
  background: var(--accent);
  z-index: 2;
}
/* ===== CTA panel ===== */
.cta-section { padding: var(--spacing-section) 0; background: var(--bg); }
.cta-panel {
  background: var(--dark);
  border-radius: 8px;
  padding: 64px 72px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  position: relative;
  overflow: hidden;
}
.cta-panel::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-3.webp') center / cover no-repeat;
  opacity: 0.1;
}
.cta-left, .cta-right { position: relative; z-index: 1; }
.cta-left h2 {
  font-family: var(--font-serif);
  font-size: 36px;
  font-weight: 600;
  color: #fff;
  line-height: 1.3;
  margin-bottom: 16px;
}
.cta-left p { color: rgba(255, 255, 255, 0.7); font-size: 15px; line-height: 1.8; }
.cta-right form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.cta-right form input,
.cta-right form textarea {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 2px;
  color: #fff;
  padding: 14px 16px;
  font-size: 14px;
  outline: none;
  transition: border-color var(--transition-base), background var(--transition-base);
}
.cta-right form input::placeholder,
.cta-right form textarea::placeholder { color: rgba(255, 255, 255, 0.55); }
.cta-right form input:focus,
.cta-right form textarea:focus {
  border-color: var(--accent);
  background: rgba(255, 255, 255, 0.1);
}
.cta-right form textarea { grid-column: 1 / -1; resize: vertical; min-height: 72px; }
.cta-right form .btn { grid-column: 1 / -1; margin-top: 8px; }
.cta-note {
  grid-column: 1 / -1;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.4);
  margin-top: 4px;
  text-align: center;
}
/* ===== News List ===== */
.news-section { padding: var(--spacing-section) 0; background: var(--bg-alt); }
.news-list {
  display: flex;
  flex-direction: column;
}
.news-item {
  display: flex;
  gap: 24px;
  padding: 28px 0;
  border-bottom: 1px solid var(--border);
  align-items: flex-start;
  transition: background var(--transition-base);
}
.news-item:first-child { padding-top: 0; }
.news-thumb {
  flex-shrink: 0;
  width: 160px;
  height: 100px;
  border-radius: var(--radius-img);
  overflow: hidden;
  background: var(--bg);
}
.news-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--transition-slow); }
.news-item:hover .news-thumb img { transform: scale(1.05); }
.news-content { flex: 1; min-width: 0; }
.news-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  color: var(--primary);
  background: rgba(29, 92, 77, 0.08);
  padding: 2px 10px;
  border-radius: 2px;
  margin-bottom: 8px;
  letter-spacing: 0.04em;
}
.news-content h3 { font-size: 18px; font-weight: 600; line-height: 1.5; margin-bottom: 6px; }
.news-content h3 a { color: var(--text); transition: color var(--transition-base); }
.news-content h3 a:hover { color: var(--primary); }
.news-content p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 8px;
}
.news-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 13px;
  color: var(--text-muted);
}
.news-meta a { color: var(--primary); font-weight: 500; }
.news-meta a:hover { text-decoration: underline; }
.empty-state {
  text-align: center;
  padding: 48px 0;
  color: var(--text-muted);
  font-size: 14px;
}
/* ===== FAQ ===== */
.faq { padding: var(--spacing-section) 0; background: var(--bg); }
.faq-list { max-width: 840px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--border); }
.faq-item:first-child { border-top: 1px solid var(--border); }
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 24px 8px;
  cursor: pointer;
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
  background: none;
  border: none;
  text-align: left;
  width: 100%;
  transition: color var(--transition-base);
}
.faq-question:hover { color: var(--primary); }
.faq-icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  color: var(--text-secondary);
  transition: transform 0.2s ease, background var(--transition-base), color var(--transition-base), border-color var(--transition-base);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.25s ease, padding 0.25s ease;
}
.faq-answer-inner {
  padding: 0 8px 24px;
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.8;
}
.faq-item.active .faq-question { color: var(--primary); }
.faq-item.active .faq-icon { transform: rotate(45deg); background: var(--primary); color: #fff; border-color: var(--primary); }
.faq-item.active .faq-answer { max-height: 600px; }
/* ===== Footer ===== */
.site-footer {
  background: var(--dark);
  color: rgba(255, 255, 255, 0.7);
  padding-top: 64px;
}
.footer-top {
  border-top: 2px solid var(--accent);
  padding-bottom: 48px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 1fr 0.8fr;
  gap: 48px;
  max-width: var(--container);
  margin: 0 auto;
  padding: 48px 24px 0;
}
.footer-brand .logo-text { color: #fff; font-size: 20px; }
.footer-brand p { font-size: 14px; line-height: 1.8; margin-top: 12px; color: rgba(255, 255, 255, 0.5); max-width: 300px; }
.footer-col h4 {
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 20px;
  letter-spacing: 0.05em;
}
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { font-size: 14px; color: rgba(255, 255, 255, 0.6); }
.footer-col ul li a:hover { color: var(--accent); }
.footer-contact { list-style: none; }
.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 12px;
  line-height: 1.6;
}
.footer-contact li i { color: var(--accent); margin-top: 3px; width: 14px; text-align: center; }
.footer-qr {
  width: 96px;
  height: 96px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: var(--accent);
  margin-bottom: 8px;
}
.footer-qr-text { font-size: 12px; color: rgba(255, 255, 255, 0.4); }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  text-align: center;
  padding: 20px 24px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
}
.footer-bottom span { color: rgba(255, 255, 255, 0.6); }
/* ===== Reveal animation ===== */
.reveal {
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.4s cubic-bezier(0.25, 0.1, 0.25, 1), transform 0.4s cubic-bezier(0.25, 0.1, 0.25, 1);
}
.reveal.visible { opacity: 1; transform: translateY(0); }
/* ===== Responsive ===== */
@media (max-width: 1200px) {
  .hero h1 { font-size: 48px; }
  .cta-panel { padding: 48px; }
}
@media (max-width: 1024px) {
  .nav-links { display: none; }
  .nav-actions .nav-search { display: none; }
  .nav-toggle { display: block; }
  .hero-grid { grid-template-columns: 1fr; gap: 48px; }
  .hero-media { max-width: 560px; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .cta-panel { grid-template-columns: 1fr; gap: 40px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .section { padding: var(--spacing-section-mobile) 0; }
  .section-head { flex-direction: column; align-items: flex-start; gap: 12px; margin-bottom: 32px; }
  .section-head h2 { font-size: 28px; }
  .hero { padding: 64px 0 48px; }
  .hero h1 { font-size: 34px; }
  .hero-sub { font-size: 15px; }
  .hero-stats { gap: 24px; flex-wrap: wrap; }
  .hero-stats .stat strong { font-size: 26px; }
  .hero-media-border { display: none; }
  .features-grid { grid-template-columns: 1fr; gap: 36px; }
  .feature-item { padding-right: 0; }
  .gallery-item.large,
  .gallery-item.small,
  .gallery-item:nth-child(3),
  .gallery-item:nth-child(4) { grid-column: span 12; }
  .gallery-item { aspect-ratio: 16 / 9; max-height: 260px; }
  .cta-panel { padding: 40px 24px; }
  .cta-right form { grid-template-columns: 1fr; }
  .cta-right form textarea,
  .cta-right form .btn { grid-column: 1; }
  .news-item { flex-direction: column; gap: 16px; }
  .news-thumb { width: 100%; height: 200px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .topbar-count .count-unit { display: none; }
  .topbar-count .count-sep { display: none; }
  .topbar-text { display: none; }
  .topbar-inner { justify-content: flex-end; }
}
@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; }
  .hero { padding: 48px 0 40px; }
  .hero h1 { font-size: 32px; }
  .faq-question { font-size: 17px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; }
}

/* roulang page: category1 */
:root {
  --primary: #1D5C4D;
  --primary-dark: #17473C;
  --accent: #C29B57;
  --accent-light: #D4AF72;
  --dark: #141715;
  --dark-soft: #1D201D;
  --bg: #F7F6F2;
  --bg-alt: #EDEBE5;
  --text: #1E211E;
  --text-sub: #5E635E;
  --text-weak: #9A9F9A;
  --border: #E2DED6;
  --radius-card: 6px;
  --radius-img: 4px;
  --radius-btn: 2px;
  --radius-panel: 8px;
  --shadow-hover: 0 12px 32px rgba(20, 23, 21, .08);
  --shadow-cta: 0 16px 40px rgba(20, 23, 21, .18);
  --font-serif: 'Noto Serif SC', 'Source Han Serif SC', 'Songti SC', 'SimSun', serif;
  --font-sans: 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --ease: cubic-bezier(0.25, 0.1, 0.25, 1);
  --container: 1280px;
  --gap: 24px;
}
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.8;
  -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;
  outline: none;
}
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gap);
}
::selection {
  background: rgba(194, 155, 87, .25);
  color: var(--text);
}
:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1;
  border-radius: var(--radius-btn);
  cursor: pointer;
  transition: background .15s var(--ease), box-shadow .15s var(--ease), transform .15s var(--ease), border-color .15s var(--ease);
  white-space: nowrap;
}
.btn-accent {
  background: var(--accent);
  color: var(--dark);
}
.btn-accent:hover {
  background: var(--accent-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(194, 155, 87, .3);
}
.btn-outline {
  border: 1px solid var(--primary);
  color: var(--primary);
  background: transparent;
}
.btn-outline:hover {
  background: rgba(29, 92, 77, .08);
  transform: translateY(-2px);
}
.btn-white {
  background: #fff;
  color: var(--dark);
}
.btn-white:hover {
  background: #F0EEE9;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, .15);
}
.btn-ghost {
  color: var(--text-sub);
  background: transparent;
  padding: 8px 14px;
}
.btn-ghost:hover {
  color: var(--primary);
  background: rgba(29, 92, 77, .06);
}

/* ===== Countdown bar ===== */
.countdown-bar {
  background: var(--dark);
  color: rgba(255, 255, 255, .85);
  font-size: 13px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--gap);
  position: relative;
  z-index: 101;
  transition: height .2s var(--ease), opacity .2s var(--ease);
}
.countdown-bar .cd-left {
  display: flex;
  align-items: center;
  gap: 10px;
  overflow: hidden;
  white-space: nowrap;
}
.countdown-bar .cd-left i {
  color: var(--accent);
  font-size: 13px;
}
.countdown-bar .cd-right {
  display: flex;
  align-items: center;
  gap: 14px;
  font-variant-numeric: tabular-nums;
}
.cd-num {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  min-width: 20px;
  justify-content: center;
}
.cd-num span {
  color: var(--accent);
  font-weight: 700;
  font-size: 14px;
}
.cd-label {
  font-size: 12px;
  color: rgba(255, 255, 255, .55);
}
.cd-close {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: rgba(255, 255, 255, .6);
  font-size: 12px;
  transition: background .15s, color .15s;
  flex-shrink: 0;
}
.cd-close:hover {
  background: rgba(255, 255, 255, .15);
  color: #fff;
}
.countdown-bar.hidden {
  height: 0;
  opacity: 0;
  padding: 0;
  overflow: hidden;
  margin-bottom: 0;
}

/* ===== Header nav ===== */
.main-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(247, 246, 242, .92);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(226, 222, 214, .7);
  transition: background .3s var(--ease), box-shadow .3s var(--ease);
}
.main-nav.scrolled {
  background: rgba(247, 246, 242, .98);
  box-shadow: 0 4px 20px rgba(20, 23, 21, .05);
}
.nav-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gap);
  height: 72px;
  display: flex;
  align-items: center;
  gap: 32px;
}
.nav-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-icon {
  width: 36px;
  height: 36px;
  background: var(--dark);
  border-radius: 6px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 16px;
}
.logo-text {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 600;
  color: var(--text);
  letter-spacing: .02em;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: 16px;
}
.nav-links a {
  position: relative;
  font-size: 15px;
  color: var(--text-sub);
  padding: 10px 14px;
  font-weight: 500;
  transition: color .2s var(--ease);
}
.nav-links a::after {
  content: '';
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 4px;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .2s var(--ease);
}
.nav-links a:hover {
  color: var(--text);
}
.nav-links a:hover::after,
.nav-links a.active::after {
  transform: scaleX(1);
}
.nav-links a.active {
  color: var(--text);
  font-weight: 600;
}
.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-left: auto;
}
.nav-search {
  position: relative;
  display: flex;
  align-items: center;
}
.nav-search input {
  width: 180px;
  height: 38px;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: rgba(255, 255, 255, .7);
  padding: 0 16px 0 38px;
  font-size: 13px;
  transition: border-color .2s, width .3s var(--ease), box-shadow .2s;
}
.nav-search input:focus {
  border-color: var(--primary);
  width: 210px;
  box-shadow: 0 0 0 3px rgba(29, 92, 77, .08);
}
.search-icon {
  position: absolute;
  left: 14px;
  font-size: 13px;
  color: var(--text-weak);
  pointer-events: none;
}
.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: 4px;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: var(--text);
  cursor: pointer;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, .5);
  transition: background .15s;
}
.nav-toggle:hover {
  background: var(--bg-alt);
}

/* ===== Page Hero ===== */
.page-hero {
  background: linear-gradient(rgba(20, 23, 21, .82), rgba(20, 23, 21, .88)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  color: #fff;
  padding: 92px 0 78px;
  position: relative;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 60px;
  align-items: center;
}
.hero-crumb {
  font-size: 13px;
  color: rgba(255, 255, 255, .55);
  margin-bottom: 18px;
  display: flex;
  gap: 8px;
  align-items: center;
}
.hero-crumb a {
  color: rgba(255, 255, 255, .75);
  transition: color .15s;
}
.hero-crumb a:hover {
  color: var(--accent);
}
.hero-crumb i {
  font-size: 10px;
  color: rgba(255, 255, 255, .4);
}
.page-hero h1 {
  font-family: var(--font-serif);
  font-size: 58px;
  font-weight: 600;
  line-height: 1.15;
  color: #fff;
  letter-spacing: .01em;
}
.page-hero h1 .hl {
  color: var(--accent);
}
.hero-desc {
  margin-top: 20px;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(255, 255, 255, .82);
  max-width: 500px;
}
.hero-actions {
  display: flex;
  gap: 16px;
  margin-top: 32px;
  flex-wrap: wrap;
}
.hero-stats {
  display: flex;
  gap: 40px;
  margin-top: 44px;
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, .12);
}
.hero-stat .num {
  font-family: var(--font-serif);
  font-size: 32px;
  font-weight: 600;
  color: var(--accent);
  line-height: 1.2;
  font-variant-numeric: tabular-nums;
}
.hero-stat .lbl {
  font-size: 13px;
  color: rgba(255, 255, 255, .55);
  margin-top: 4px;
}
.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-visual img {
  width: 100%;
  max-width: 480px;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, .15);
  box-shadow: 0 20px 50px rgba(0, 0, 0, .3);
}
.hero-badge {
  position: absolute;
  top: 18px;
  right: 18px;
  background: var(--accent);
  color: var(--dark);
  font-size: 12px;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: 2px;
  letter-spacing: .04em;
}

/* ===== Section common ===== */
.section {
  padding: 100px 0;
}
.section-alt {
  background: var(--bg-alt);
}
.section-tight {
  padding: 86px 0;
}
.section-head {
  margin-bottom: 48px;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
}
.section-head h2 {
  font-family: var(--font-serif);
  font-size: 38px;
  font-weight: 600;
  line-height: 1.25;
  color: var(--text);
}
.section-head h2 .hl {
  color: var(--primary);
}
.section-head p {
  color: var(--text-sub);
  font-size: 15px;
  max-width: 420px;
  line-height: 1.7;
}

/* ===== Intro two columns ===== */
.intro-grid {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 72px;
  align-items: center;
}
.intro-copy h2 {
  font-family: var(--font-serif);
  font-size: 36px;
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: 20px;
}
.intro-copy h2 .hl {
  color: var(--primary);
}
.intro-copy>p {
  color: var(--text-sub);
  font-size: 15px;
  line-height: 1.85;
  margin-bottom: 16px;
}
.intro-points {
  margin-top: 28px;
  display: grid;
  gap: 16px;
}
.intro-point {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}
.intro-point .ico {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
  border-radius: 4px;
  background: rgba(29, 92, 77, .1);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  margin-top: 2px;
}
.intro-point b {
  font-size: 15px;
  color: var(--text);
  display: block;
}
.intro-point span {
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.65;
}
.intro-image {
  position: relative;
}
.intro-image img {
  width: 100%;
  border-radius: var(--radius-img);
  box-shadow: var(--shadow-hover);
}
.intro-image::before {
  content: '';
  position: absolute;
  top: -16px;
  right: -16px;
  width: 70%;
  height: 70%;
  border: 2px solid var(--accent);
  border-radius: var(--radius-img);
  opacity: .4;
  z-index: -1;
}

/* ===== Capabilities numbered ===== */
.cap-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  background: #fff;
  overflow: hidden;
}
.cap-item {
  padding: 44px 28px 40px;
  position: relative;
  border-right: 1px solid var(--border);
  transition: background .25s var(--ease);
}
.cap-item:last-child {
  border-right: none;
}
.cap-item:hover {
  background: var(--bg);
}
.cap-item .num {
  font-family: var(--font-serif);
  font-size: 44px;
  font-weight: 600;
  color: var(--accent);
  line-height: 1;
  display: block;
  margin-bottom: 28px;
  font-variant-numeric: tabular-nums;
}
.cap-item h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 12px;
}
.cap-item p {
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.7;
}

/* ===== Process timeline ===== */
.process-wrap {
  max-width: 1000px;
  margin: 0 auto;
}
.process-steps {
  display: flex;
  gap: 0;
  position: relative;
}
.process-steps::before {
  content: '';
  position: absolute;
  top: 24px;
  left: 6%;
  right: 6%;
  height: 1px;
  background: var(--border);
}
.process-step {
  flex: 1;
  text-align: center;
  padding: 0 16px;
  position: relative;
  z-index: 1;
}
.p-step-dot {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--accent);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 20px;
  background: #fff;
  transition: background .2s, color .2s, box-shadow .2s;
}
.process-step:hover .p-step-dot {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 6px 18px rgba(29, 92, 77, .2);
}
.process-step h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
}
.process-step p {
  font-size: 13px;
  color: var(--text-sub);
  line-height: 1.6;
}
.proc-note {
  margin-top: 48px;
  text-align: center;
  font-size: 13px;
  color: var(--text-weak);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.proc-note i {
  color: var(--accent);
}

/* ===== Scenarios ===== */
.scenario-grid {
  display: grid;
  grid-template-columns: .9fr .9fr 1.2fr;
  grid-template-rows: 1fr 1fr;
  gap: 24px;
}
.scenario-card {
  border-radius: var(--radius-card);
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--border);
  position: relative;
  transition: box-shadow .25s var(--ease), transform .25s var(--ease);
  min-height: 200px;
}
.scenario-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}
.scenario-card.img-card {
  grid-row: 1 / 3;
}
.scenario-card .sc-img {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
}
.scenario-card .sc-content {
  position: relative;
  z-index: 2;
  padding: 26px 28px;
  background: linear-gradient(180deg, rgba(255,255,255,0) 30%, rgba(255,255,255,.92) 76%);
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}
.scenario-card.solid-card .sc-content {
  background: var(--dark);
  color: #fff;
  justify-content: space-between;
  padding: 28px;
}
.scenario-card.solid-card .sc-content p {
  color: rgba(255, 255, 255, .65);
  font-size: 14px;
  line-height: 1.7;
}
.sc-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  color: var(--primary);
  background: rgba(29, 92, 77, .08);
  padding: 4px 12px;
  border-radius: 2px;
  margin-bottom: 10px;
  align-self: flex-start;
}
.scenario-card.solid-card .sc-tag {
  color: var(--accent);
  background: rgba(194, 155, 87, .14);
}
.sc-content h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
}
.scenario-card.solid-card .sc-content h3 {
  color: #fff;
}
.sc-content p {
  font-size: 13px;
  color: var(--text-sub);
  line-height: 1.7;
}

/* ===== Gallery ===== */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: 260px 260px;
  gap: 20px;
}
.gallery-item {
  border-radius: var(--radius-img);
  overflow: hidden;
  position: relative;
  cursor: pointer;
}
.gallery-item:first-child {
  grid-column: span 2;
  grid-row: span 2;
}
.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.01);
  transition: transform .4s var(--ease);
}
.gallery-item:hover img {
  transform: scale(1.04);
}
.gallery-item .g-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(20,23,21,0) 50%, rgba(20,23,21,.72) 100%);
  display: flex;
  align-items: flex-end;
  padding: 22px;
  transition: background .3s;
}
.gallery-item:hover .g-overlay {
  background: linear-gradient(180deg, rgba(20,23,21,.1) 0%, rgba(20,23,21,.78) 100%);
}
.g-overlay .g-name {
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  font-family: var(--font-serif);
}
.g-overlay .g-link {
  color: var(--accent);
  font-size: 13px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity .3s, transform .3s;
  margin-top: 4px;
}
.gallery-item:hover .g-link {
  opacity: 1;
  transform: translateY(0);
}

/* ===== CTA ===== */
.cta-panel {
  background: var(--dark);
  border-radius: var(--radius-panel);
  padding: 64px 60px;
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 50px;
  align-items: center;
  position: relative;
  overflow: hidden;
  color: #fff;
}
.cta-panel::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), rgba(194,155,87,0));
}
.cta-panel::after {
  content: '';
  position: absolute;
  right: -120px;
  bottom: -120px;
  width: 320px;
  height: 320px;
  border: 1px solid rgba(255,255,255,.06);
  border-radius: 50%;
}
.cta-copy h2 {
  font-family: var(--font-serif);
  font-size: 34px;
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: 14px;
}
.cta-copy h2 .hl {
  color: var(--accent);
}
.cta-copy p {
  color: rgba(255,255,255,.65);
  font-size: 14px;
  line-height: 1.8;
  max-width: 460px;
}
.cta-actions {
  display: flex;
  flex-direction: column;
  gap: 16px;
  position: relative;
  z-index: 2;
}
.cta-row {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}
.cta-note {
  font-size: 13px;
  color: rgba(255,255,255,.4);
  display: flex;
  align-items: center;
  gap: 8px;
}
.cta-note i {
  color: var(--accent);
}
.cta-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 24px;
}
.cta-form input {
  height: 44px;
  border: 1px solid rgba(255,255,255,.18);
  background: rgba(255,255,255,.06);
  border-radius: 2px;
  padding: 0 16px;
  color: #fff;
  font-size: 14px;
  transition: border-color .2s, background .2s;
}
.cta-form input::placeholder {
  color: rgba(255,255,255,.45);
}
.cta-form input:focus {
  border-color: var(--accent);
  background: rgba(255,255,255,.1);
}
.cta-form .btn {
  grid-column: 1 / 3;
}

/* ===== FAQ ===== */
.faq-wrap {
  max-width: 840px;
  margin: 0 auto;
}
.faq-item {
  border-top: 1px solid var(--border);
}
.faq-item:last-child {
  border-bottom: 1px solid var(--border);
}
.faq-q {
  cursor: pointer;
  padding: 22px 4px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
  transition: color .2s;
  user-select: none;
}
.faq-q:hover {
  color: var(--primary);
}
.faq-q .icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1px solid var(--border);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  transition: transform .25s var(--ease), border-color .2s, background .2s, color .2s;
  flex-shrink: 0;
}
.faq-item.open .faq-q .icon {
  transform: rotate(45deg);
  border-color: var(--primary);
  background: var(--primary);
  color: #fff;
}
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height .25s ease, padding .25s ease;
  padding: 0 4px;
  color: var(--text-sub);
  font-size: 15px;
  line-height: 1.8;
}
.faq-item.open .faq-a {
  max-height: 400px;
  padding: 0 4px 22px;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--dark);
  color: rgba(255,255,255,.75);
  margin-top: 0;
}
.footer-top {
  border-top: 3px solid var(--accent);
  padding: 64px 0 48px;
}
.footer-grid {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gap);
  display: grid;
  grid-template-columns: 1.3fr .8fr 1fr .8fr;
  gap: 48px;
}
.footer-brand .nav-logo {
  margin-bottom: 16px;
}
.footer-brand .logo-icon {
  background: rgba(255,255,255,.12);
  color: var(--accent);
}
.footer-brand .logo-text {
  color: #fff;
}
.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255,255,255,.55);
  max-width: 320px;
  margin-top: 6px;
}
.footer-col h4 {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 10px;
}
.footer-col h4::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 24px;
  height: 2px;
  background: var(--accent);
}
.footer-col ul {
  display: grid;
  gap: 10px;
}
.footer-col ul a {
  font-size: 14px;
  color: rgba(255,255,255,.6);
  transition: color .2s;
}
.footer-col ul a:hover {
  color: var(--accent);
}
.footer-contact li {
  font-size: 14px;
  color: rgba(255,255,255,.6);
  display: flex;
  gap: 10px;
  align-items: flex-start;
  line-height: 1.6;
}
.footer-contact i {
  color: var(--accent);
  margin-top: 4px;
  width: 16px;
  text-align: center;
}
.footer-qr {
  width: 96px;
  height: 96px;
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 36px;
  color: rgba(255,255,255,.3);
  background: rgba(255,255,255,.04);
  margin-bottom: 10px;
}
.footer-qr-text {
  font-size: 12px;
  color: rgba(255,255,255,.45);
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 22px 0;
  text-align: center;
  font-size: 13px;
  color: rgba(255,255,255,.4);
}
.footer-bottom a {
  color: rgba(255,255,255,.6);
}
.footer-bottom a:hover {
  color: var(--accent);
}

/* ===== Scroll reveal ===== */
.reveal {
  opacity: 0;
  transform: translateY(8px);
  transition: opacity .4s var(--ease), transform .4s var(--ease);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== Mobile drawer ===== */
.mobile-drawer {
  position: fixed;
  top: 0;
  right: -100%;
  width: 300px;
  height: 100vh;
  background: var(--bg);
  z-index: 999;
  transition: right .3s var(--ease);
  box-shadow: -10px 0 30px rgba(20,23,21,.15);
  display: flex;
  flex-direction: column;
  padding: 24px;
}
.mobile-drawer.open {
  right: 0;
}
.drawer-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 30px;
}
.drawer-close {
  width: 36px;
  height: 36px;
  border-radius: 4px;
  border: 1px solid var(--border);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 16px;
  color: var(--text);
}
.drawer-links {
  display: grid;
  gap: 6px;
}
.drawer-links a {
  font-size: 18px;
  font-weight: 500;
  color: var(--text);
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  transition: color .2s;
}
.drawer-links a:hover,
.drawer-links a.active {
  color: var(--primary);
}
.drawer-footer {
  margin-top: auto;
}
.drawer-footer .btn {
  width: 100%;
}
.drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(20,23,21,.45);
  z-index: 998;
  opacity: 0;
  visibility: hidden;
  transition: opacity .3s, visibility .3s;
}
.drawer-overlay.show {
  opacity: 1;
  visibility: visible;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .nav-links {
    display: none;
  }
  .nav-toggle {
    display: inline-flex;
  }
  .nav-search input {
    width: 140px;
  }
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .hero-visual img {
    max-width: 100%;
  }
  .cap-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .cap-item:nth-child(2) {
    border-right: none;
  }
  .cap-item:nth-child(3) {
    border-top: 1px solid var(--border);
  }
  .cap-item:nth-child(4) {
    border-top: 1px solid var(--border);
    border-right: none;
  }
  .scenario-grid {
    grid-template-columns: 1fr 1fr;
  }
  .scenario-card.img-card {
    grid-row: auto;
  }
  .gallery-grid {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 220px 220px 220px;
  }
  .gallery-item:first-child {
    grid-column: span 2;
    grid-row: span 2;
  }
  .cta-panel {
    padding: 48px 36px;
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 767px) {
  .countdown-bar .cd-mobile {
    display: inline;
  }
  .countdown-bar .cd-left-text {
    display: none;
  }
  .countdown-bar .cd-label {
    display: none;
  }
  .countdown-bar .cd-right {
    gap: 6px;
  }
  .countdown-bar .cd-sep {
    display: none;
  }
  .nav-inner {
    height: 62px;
    gap: 12px;
  }
  .logo-text {
    font-size: 17px;
  }
  .nav-search {
    display: none;
  }
  .nav-actions .btn-ghost {
    display: none;
  }
  .section {
    padding: 56px 0;
  }
  .section-tight {
    padding: 48px 0;
  }
  .section-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 32px;
  }
  .section-head h2 {
    font-size: 27px;
  }
  .page-hero {
    padding: 56px 0 48px;
  }
  .page-hero h1 {
    font-size: 33px;
  }
  .hero-actions {
    flex-direction: column;
  }
  .hero-actions .btn {
    width: 100%;
  }
  .hero-stats {
    gap: 24px;
    margin-top: 30px;
    padding-top: 20px;
    flex-wrap: wrap;
  }
  .hero-stat .num {
    font-size: 24px;
  }
  .intro-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .intro-copy h2 {
    font-size: 27px;
  }
  .intro-image::before {
    display: none;
  }
  .cap-grid {
    grid-template-columns: 1fr;
  }
  .cap-item {
    border-right: none;
    border-bottom: 1px solid var(--border);
    padding: 30px 20px;
  }
  .cap-item:nth-child(3) {
    border-top: none;
  }
  .cap-item:nth-child(4) {
    border-bottom: none;
  }
  .process-steps {
    flex-direction: column;
    gap: 0;
  }
  .process-steps::before {
    display: none;
  }
  .process-step {
    display: flex;
    gap: 16px;
    text-align: left;
    padding: 20px 0;
    border-left: 2px solid var(--border);
    padding-left: 24px;
    position: relative;
    margin-left: 24px;
  }
  .p-step-dot {
    width: 40px;
    height: 40px;
    font-size: 16px;
    margin-bottom: 0;
    flex-shrink: 0;
  }
  .process-step h3 {
    margin-bottom: 4px;
  }
  .scenario-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .scenario-card {
    min-height: 180px;
  }
  .gallery-grid {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
    gap: 14px;
  }
  .gallery-item {
    height: 220px;
  }
  .gallery-item:first-child {
    grid-column: span 1;
    grid-row: span 1;
    height: 260px;
  }
  .cta-panel {
    padding: 36px 24px;
    border-radius: 6px;
  }
  .cta-copy h2 {
    font-size: 26px;
  }
  .cta-form {
    grid-template-columns: 1fr;
  }
  .cta-form .btn {
    grid-column: 1;
  }
  .faq-q {
    font-size: 16px;
    padding: 18px 0;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 0 16px;
  }
  .footer-bottom {
    font-size: 12px;
  }
}

@media (max-width: 520px) {
  .nav-inner {
    gap: 8px;
  }
  .nav-actions .btn-accent {
    padding: 9px 14px !important;
    font-size: 13px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    padding: 0 16px;
  }
}

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

/* roulang page: article */
:root {
  --primary: #1D5C4D;
  --primary-dark: #16483C;
  --accent: #C29B57;
  --accent-light: #D0AE74;
  --dark: #141715;
  --dark-soft: #1C201D;
  --bg: #F7F6F2;
  --bg-alt: #EDEBE5;
  --text: #1E211E;
  --text-secondary: #5E635E;
  --text-muted: #9A9F9A;
  --border: #E2DED6;
  --radius-card: 6px;
  --radius-img: 4px;
  --radius-btn: 2px;
  --shadow-hover: 0 12px 32px rgba(20,23,21,.08);
  --transition: cubic-bezier(.25,.1,.25,1);
  --font-head: 'Noto Serif SC','Source Han Serif SC',serif;
  --font-body: 'Noto Sans SC','Source Han Sans SC','Inter',sans-serif;
  --container: 1280px;
}
*,*::before,*::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-body); background: var(--bg); color: var(--text); line-height: 1.8; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
input { font-family: inherit; }
ul { list-style: none; }
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.btn { display: inline-flex; align-items: center; justify-content: center; border-radius: var(--radius-btn); font-weight: 500; transition: all .15s ease; border: 1px solid transparent; }
.btn-accent { background: var(--accent); color: var(--dark); padding: 12px 28px; }
.btn-accent:hover { background: var(--accent-light); }
.btn-ghost { background: none; border: none; color: var(--text-secondary); padding: 8px 12px; }
.btn-ghost:hover { color: var(--primary); }
:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
@media (prefers-reduced-motion: reduce) {
  *,*::before,*::after { animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
}
/* 倒计时条 */
.countdown-bar { background: var(--dark); color: #fff; height: 40px; display: flex; align-items: center; font-size: 13px; position: relative; z-index: 1001; }
.countdown-inner { max-width: var(--container); margin: 0 auto; padding: 0 24px; display: flex; justify-content: space-between; align-items: center; width: 100%; }
.countdown-text { color: rgba(255,255,255,.72); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.countdown-text strong { color: #fff; font-weight: 500; }
.countdown-timer { display: flex; gap: 6px; align-items: center; font-family: 'Inter',sans-serif; font-variant-numeric: tabular-nums; }
.timer-unit { background: rgba(255,255,255,.08); border-radius: 3px; padding: 2px 6px; color: var(--accent); font-weight: 600; transition: opacity .15s ease; }
.timer-label { color: rgba(255,255,255,.55); margin-right: 2px; }
.countdown-close { background: none; border: none; color: rgba(255,255,255,.55); font-size: 14px; padding: 4px 10px; margin-left: 8px; transition: color .15s; }
.countdown-close:hover { color: #fff; }
/* 导航 */
.main-nav { position: sticky; top: 0; background: rgba(247,246,242,.9); -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px); border-bottom: 1px solid var(--border); z-index: 1000; }
.nav-inner { max-width: var(--container); margin: 0 auto; padding: 0 24px; display: flex; align-items: center; gap: 32px; height: 76px; }
.nav-logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.logo-icon { width: 36px; height: 36px; background: var(--primary); color: var(--accent); display: flex; align-items: center; justify-content: center; border-radius: 6px; font-size: 16px; }
.logo-text { font-family: var(--font-head); font-size: 18px; font-weight: 600; color: var(--text); }
.nav-links { display: flex; gap: 28px; }
.nav-links a { font-size: 15px; color: var(--text-secondary); position: relative; padding: 8px 0; transition: color .15s ease; white-space: nowrap; }
.nav-links a::after { content: ""; position: absolute; left: 0; bottom: -2px; width: 0; height: 2px; background: var(--accent); transition: width .2s var(--transition); }
.nav-links a:hover::after,.nav-links a.active::after { width: 100%; }
.nav-links a.active { color: var(--text); font-weight: 600; }
.nav-actions { margin-left: auto; display: flex; align-items: center; gap: 16px; }
.nav-search { position: relative; display: flex; align-items: center; }
.nav-search input { width: 180px; height: 38px; border: 1px solid var(--border); background: #fff; border-radius: var(--radius-btn); padding: 0 36px 0 12px; font-size: 13px; color: var(--text); transition: border-color .15s,width .2s; }
.nav-search input:focus { outline: none; border-color: var(--primary); width: 220px; }
.nav-search input::placeholder { color: var(--text-muted); }
.search-icon { position: absolute; right: 12px; top: 50%; transform: translateY(-50%); color: var(--text-muted); font-size: 13px; pointer-events: none; }
.nav-toggle { display: none; background: none; border: none; font-size: 20px; color: var(--text); padding: 6px; }
/* 文章头部 */
.article-hero { background: var(--dark); padding: 76px 0 64px; color: #fff; position: relative; overflow: hidden; }
.article-hero::before { content: ""; position: absolute; inset: 0; background: url('/assets/images/backpic/back-1.png') center/cover no-repeat; opacity: .08; }
.article-hero .container { max-width: 920px; position: relative; z-index: 1; }
.article-meta-top { display: flex; flex-wrap: wrap; gap: 14px 20px; align-items: center; margin-bottom: 20px; font-size: 13px; color: rgba(255,255,255,.68); animation: fadeUp .4s var(--transition) .08s both; }
.article-category { background: var(--primary); color: #fff; padding: 4px 12px; border-radius: 2px; font-size: 12px; font-weight: 500; letter-spacing: .02em; }
.article-date,.article-views { display: inline-flex; align-items: center; gap: 6px; }
.article-hero h1 { font-family: var(--font-head); font-size: 44px; line-height: 1.25; margin-bottom: 16px; color: #fff; font-weight: 600; animation: fadeUp .4s var(--transition) .14s both; }
.article-summary { color: rgba(255,255,255,.76); font-size: 15px; max-width: 720px; margin-bottom: 36px; line-height: 1.8; animation: fadeUp .4s var(--transition) .2s both; }
.article-cover { border-radius: 8px; overflow: hidden; border: 1px solid rgba(255,255,255,.12); background: var(--dark-soft); animation: fadeUp .4s var(--transition) .26s both; }
.article-cover img { width: 100%; height: 420px; object-fit: cover; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
/* 面包屑 */
.breadcrumb { background: var(--bg-alt); border-bottom: 1px solid var(--border); padding: 14px 0; font-size: 13px; color: var(--text-secondary); }
.breadcrumb .container { display: flex; align-items: center; gap: 8px; overflow: hidden; white-space: nowrap; }
.breadcrumb a { transition: color .15s; }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb .sep { color: var(--text-muted); }
.breadcrumb .current { color: var(--text-muted); overflow: hidden; text-overflow: ellipsis; }
/* 正文区 */
.article-content-section { padding: 68px 0 48px; }
.article-body { max-width: 720px; margin: 0 auto; }
.article-body h2 { font-family: var(--font-head); font-size: 26px; margin: 48px 0 20px; line-height: 1.4; color: var(--text); font-weight: 600; }
.article-body h3 { font-size: 20px; margin: 32px 0 16px; color: var(--text); font-weight: 600; }
.article-body p { margin-bottom: 24px; line-height: 1.9; color: var(--text-secondary); }
.article-body a { color: var(--primary); border-bottom: 1px solid rgba(29,92,77,.3); transition: color .15s,border-color .15s; }
.article-body a:hover { color: var(--accent); border-bottom-color: var(--accent); }
.article-body blockquote { border-left: 3px solid var(--accent); background: var(--bg-alt); padding: 16px 24px; margin: 32px 0; border-radius: 0 var(--radius-img) var(--radius-img) 0; color: var(--text-secondary); font-size: 15px; }
.article-body img { border-radius: var(--radius-img); margin: 24px 0; }
.article-body ul { margin: 0 0 24px 20px; list-style: disc; }
.article-body ol { margin: 0 0 24px 20px; list-style: decimal; }
.article-body li { margin-bottom: 8px; line-height: 1.8; color: var(--text-secondary); }
.article-body table { width: 100%; border-collapse: collapse; margin: 24px 0; font-size: 14px; }
.article-body th,.article-body td { border: 1px solid var(--border); padding: 8px 12px; text-align: left; }
.article-body th { background: var(--bg-alt); font-weight: 600; }
/* 标签 */
.article-tags { max-width: 720px; margin: 44px auto 0; padding-top: 24px; border-top: 1px solid var(--border); display: flex; gap: 8px; flex-wrap: wrap; }
.tag { display: inline-block; padding: 5px 14px; background: var(--bg-alt); border-radius: 2px; font-size: 13px; color: var(--text-secondary); transition: all .15s ease; }
.tag:hover { background: var(--primary); color: #fff; }
/* 上一篇下一篇 */
.article-pagination { max-width: 720px; margin: 24px auto 0; display: flex; justify-content: space-between; gap: 24px; font-size: 14px; }
.pag-prev,.pag-next { background: var(--bg); padding: 18px 22px; border-radius: var(--radius-card); flex: 1; transition: box-shadow .2s var(--transition),border-color .2s; border: 1px solid var(--border); display: block; }
.pag-prev:hover,.pag-next:hover { box-shadow: var(--shadow-hover); border-color: var(--primary); }
.pag-prev span,.pag-next span { display: block; font-size: 12px; color: var(--text-muted); margin-bottom: 6px; }
.pag-prev em,.pag-next em { font-style: normal; color: var(--text); font-weight: 500; line-height: 1.5; }
.pag-next { text-align: right; }
/* 相关推荐 */
.related-section { padding: 72px 0; background: var(--bg-alt); }
.related-section .container { max-width: 960px; }
.section-head { display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: 36px; }
.section-head h2 { font-family: var(--font-head); font-size: 28px; font-weight: 600; color: var(--text); }
.section-head a { font-size: 14px; color: var(--primary); display: inline-flex; align-items: center; gap: 6px; transition: gap .2s; }
.section-head a:hover { gap: 10px; }
.related-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.related-card { background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius-card); overflow: hidden; transition: transform .2s var(--transition),box-shadow .2s var(--transition); display: flex; flex-direction: column; }
.related-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.related-card .thumb { width: 100%; height: 140px; overflow: hidden; background: var(--bg-alt); position: relative; }
.related-card .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s var(--transition); }
.related-card:hover .thumb img { transform: scale(1.04); }
.related-info { padding: 18px 20px 20px; flex: 1; display: flex; flex-direction: column; }
.related-tag { font-size: 12px; color: var(--accent); font-weight: 500; margin-bottom: 8px; letter-spacing: .03em; }
.related-info h4 { font-size: 16px; font-weight: 600; color: var(--text); line-height: 1.45; margin-bottom: 10px; transition: color .15s; }
.related-card:hover .related-info h4 { color: var(--primary); }
.related-date { font-size: 12px; color: var(--text-muted); margin-top: auto; }
.related-more { text-align: center; margin-top: 40px; }
/* 内容未找到 */
.not-found-section { padding: 120px 24px; text-align: center; }
.not-found-box h1 { font-family: var(--font-head); font-size: 36px; font-weight: 600; margin-bottom: 16px; }
.not-found-box p { color: var(--text-secondary); margin-bottom: 36px; }
/* 页脚 */
.site-footer { background: var(--dark); color: rgba(255,255,255,.7); }
.footer-top::before { content: ""; display: block; height: 2px; background: var(--accent); }
.footer-grid { max-width: var(--container); margin: 0 auto; padding: 56px 24px 40px; display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; }
.footer-brand .logo-text { color: #fff; }
.footer-brand p { font-size: 14px; margin-top: 14px; color: rgba(255,255,255,.55); max-width: 280px; line-height: 1.8; }
.footer-col h4 { color: #fff; font-size: 15px; margin-bottom: 16px; font-weight: 600; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col a { font-size: 14px; color: rgba(255,255,255,.6); transition: color .15s; }
.footer-col a:hover { color: var(--accent); }
.footer-contact li { font-size: 14px; color: rgba(255,255,255,.6); display: flex; gap: 10px; align-items: flex-start; }
.footer-contact i { color: var(--accent); margin-top: 4px; }
.footer-qr { width: 88px; height: 88px; background: rgba(255,255,255,.1); border-radius: 6px; display: flex; align-items: center; justify-content: center; font-size: 32px; color: var(--accent); margin-bottom: 10px; }
.footer-qr-text { font-size: 12px; color: rgba(255,255,255,.45); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.06); padding: 16px 0; text-align: center; font-size: 13px; color: rgba(255,255,255,.4); }
/* 响应式 */
@media (max-width: 1024px) {
  .nav-inner { gap: 24px; }
  .nav-links { gap: 20px; }
  .nav-search input { width: 140px; }
  .nav-search input:focus { width: 170px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .related-grid { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 768px) {
  .nav-inner { height: 64px; gap: 16px; }
  .nav-links { display: none; position: fixed; top: 0; right: -100%; width: 78%; height: 100vh; background: var(--bg); flex-direction: column; padding: 88px 36px 40px; gap: 28px; box-shadow: -24px 0 48px rgba(20,23,21,.12); transition: right .3s var(--transition); z-index: 1000; overflow-y: auto; }
  .nav-links.open { right: 0; display: flex; }
  .nav-links a { font-size: 18px; padding: 6px 0; display: block; }
  .nav-links a::after { display: none; }
  .nav-search { display: none; }
  .nav-toggle { display: block; }
  .nav-actions .btn-ghost { display: none; }
  .nav-actions .btn-accent { padding: 8px 14px; font-size: 13px; }
  .countdown-inner { padding: 0 16px; }
  .countdown-text { max-width: 50%; }
  .countdown-timer .timer-label { display: none; }
  .countdown-close { display: none; }
  .article-hero { padding: 48px 0 40px; }
  .article-hero h1 { font-size: 32px; }
  .article-cover img { height: 220px; }
  .article-content-section { padding: 44px 0 36px; }
  .article-body h2 { font-size: 22px; }
  .article-tags { max-width: 100%; }
  .article-pagination { flex-direction: column; gap: 14px; max-width: 100%; }
  .pag-next { text-align: left; }
  .related-grid { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; }
  .related-section .container { padding: 0 16px; }
  .footer-grid { grid-template-columns: 1fr; padding: 40px 16px 28px; }
  .footer-brand p { max-width: 100%; }
  .not-found-section { padding: 72px 16px; }
  .not-found-box h1 { font-size: 28px; }
}
@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .countdown-text { font-size: 12px; }
  .section-head { flex-direction: column; align-items: flex-start; gap: 8px; }
  .nav-actions .btn-accent { display: none; }
}

/* roulang page: category2 */
:root {
  --primary: #1D5C4D;
  --primary-dark: #174A3E;
  --primary-light: #2A7564;
  --accent: #C29B57;
  --accent-light: #D4AF6E;
  --dark-bg: #141715;
  --dark-bg-2: #1C201C;
  --bg-cream: #F7F6F2;
  --bg-alt: #EDEBE5;
  --text-main: #1E211E;
  --text-sub: #5E635E;
  --text-weak: #9A9F9A;
  --border: #E2DED6;
  --radius-card: 6px;
  --radius-img: 4px;
  --radius-btn: 2px;
  --shadow-card: 0 12px 32px rgba(20,23,21,.08);
  --transition: cubic-bezier(0.25, 0.1, 0.25, 1);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif; background: var(--bg-cream); color: var(--text-main); font-size: 16px; line-height: 1.8; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; border: none; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font-family: inherit; border: none; background: none; cursor: pointer; }
input { font-family: inherit; font-size: 15px; }
.container { max-width: 1280px; margin: 0 auto; padding: 0 24px; }
.serif { font-family: 'Noto Serif SC', 'Source Han Serif SC', serif; }
strong { font-weight: 600; }

/* ===== Top Countdown Bar ===== */
.topbar { background: var(--dark-bg); color: #F7F6F2; font-size: 13px; height: 40px; display: flex; align-items: center; overflow: hidden; }
.topbar-inner { max-width: 1280px; margin: 0 auto; padding: 0 24px; width: 100%; display: flex; align-items: center; justify-content: space-between; }
.topbar-left { display: flex; align-items: center; gap: 8px; white-space: nowrap; overflow: hidden; }
.topbar-left i { color: var(--accent); font-size: 12px; }
.topbar-left .topbar-title { font-weight: 500; }
.topbar-left .topbar-desc { color: rgba(255,255,255,.65); margin-left: 8px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.topbar-right { display: flex; align-items: center; gap: 10px; }
.countdown-wrap { display: flex; align-items: center; gap: 4px; font-variant-numeric: tabular-nums; font-size: 13px; }
.cd-label { color: rgba(255,255,255,.6); margin-right: 4px; }
.cd-num { color: var(--accent); font-weight: 600; min-width: 22px; text-align: center; }
.cd-sep { color: rgba(255,255,255,.3); }
.topbar-close { color: rgba(255,255,255,.4); font-size: 16px; padding: 2px 6px; transition: color .2s; cursor: pointer; }
.topbar-close:hover { color: #fff; }

/* ===== Nav ===== */
.main-nav { position: sticky; top: 0; z-index: 1000; background: rgba(247,246,242,.9); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border-bottom: 1px solid var(--border); transition: background .3s ease, box-shadow .3s ease; }
.main-nav.scrolled { background: rgba(247,246,242,.98); box-shadow: 0 2px 20px rgba(20,23,21,.04); }
.nav-inner { max-width: 1280px; margin: 0 auto; height: 72px; padding: 0 24px; display: flex; align-items: center; justify-content: space-between; }
.nav-logo { display: flex; align-items: center; gap: 10px; }
.logo-icon { width: 36px; height: 36px; background: var(--primary); border-radius: 2px; display: flex; align-items: center; justify-content: center; color: var(--accent); font-size: 15px; flex-shrink: 0; }
.logo-text { font-family: 'Noto Serif SC', serif; font-size: 20px; font-weight: 600; color: var(--text-main); letter-spacing: 1px; }
.nav-links { display: flex; align-items: center; gap: 36px; }
.nav-links a { font-size: 15px; color: var(--text-sub); font-weight: 400; padding: 6px 0; position: relative; transition: color .2s ease; }
.nav-links a::after { content: ''; position: absolute; bottom: 0; left: 0; width: 0; height: 2px; background: var(--accent); transition: width .2s var(--transition); }
.nav-links a:hover { color: var(--primary); }
.nav-links a:hover::after { width: 100%; }
.nav-links a.active { color: var(--primary); font-weight: 600; }
.nav-links a.active::after { width: 100%; }
.nav-actions { display: flex; align-items: center; gap: 16px; }
.nav-search { position: relative; display: flex; align-items: center; }
.nav-search input { width: 160px; height: 36px; border: 1px solid var(--border); border-radius: 2px; background: #fff; padding: 0 36px 0 14px; font-size: 13px; color: var(--text-main); outline: none; transition: border-color .2s, width .3s ease; }
.nav-search input:focus { border-color: var(--primary); width: 200px; }
.search-icon { position: absolute; right: 12px; color: var(--text-weak); font-size: 14px; pointer-events: none; }
.btn { display: inline-flex; align-items: center; justify-content: center; font-weight: 500; border-radius: var(--radius-btn); transition: all .15s ease; font-size: 15px; line-height: 1; cursor: pointer; }
.btn-ghost { color: var(--primary); background: transparent; border: 1px solid var(--primary); padding: 10px 18px; }
.btn-ghost:hover { background: rgba(29,92,77,.08); }
.btn-accent { background: var(--accent); color: var(--dark-bg); padding: 12px 26px; font-weight: 600; border: 1px solid transparent; }
.btn-accent:hover { background: var(--accent-light); transform: translateY(-1px); box-shadow: 0 4px 12px rgba(194,155,87,.25); }
.btn-dark { background: var(--dark-bg); color: #fff; padding: 14px 32px; border: 1px solid var(--dark-bg); }
.btn-dark:hover { background: var(--dark-bg-2); transform: translateY(-1px); box-shadow: 0 4px 16px rgba(20,23,21,.2); }
.btn-outline-dark { background: transparent; color: var(--dark-bg); border: 1px solid var(--dark-bg); padding: 14px 32px; }
.btn-outline-dark:hover { background: rgba(20,23,21,.06); }
.btn:focus-visible, a:focus-visible, button:focus-visible, input:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
.nav-toggle { display: none; font-size: 20px; color: var(--text-main); padding: 6px; }

/* ===== Page Hero (Category H1) ===== */
.page-hero { background: var(--dark-bg); color: #F7F6F2; padding: 90px 0 76px; position: relative; overflow: hidden; }
.page-hero-bg { position: absolute; top: 0; left: 0; width: 100%; height: 100%; z-index: 0; opacity: .08; background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat; }
.page-hero-overlay { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: linear-gradient(120deg, rgba(20,23,21,.94) 0%, rgba(20,23,21,.82) 55%, rgba(20,23,21,.6) 100%); z-index: 1; }
.page-hero-content { position: relative; z-index: 2; max-width: 1280px; margin: 0 auto; padding: 0 24px; }
.page-hero .breadcrumb { font-size: 13px; color: rgba(255,255,255,.6); margin-bottom: 28px; letter-spacing: .02em; }
.page-hero .breadcrumb a { color: rgba(255,255,255,.75); transition: color .2s; }
.page-hero .breadcrumb a:hover { color: var(--accent); }
.page-hero .breadcrumb span.sep { margin: 0 8px; color: rgba(255,255,255,.35); }
.page-hero .breadcrumb span.current { color: var(--accent); }
.page-hero h1 { font-family: 'Noto Serif SC', serif; font-size: 56px; font-weight: 600; line-height: 1.2; color: #fff; letter-spacing: .01em; max-width: 760px; animation: heroFadeIn .4s both; }
.page-hero h1 .accent-word { color: var(--accent); }
.page-hero .hero-desc { font-size: 16px; color: rgba(255,255,255,.75); margin-top: 24px; max-width: 640px; line-height: 1.85; animation: heroFadeIn .4s .15s both; }
.page-hero .hero-meta { display: flex; gap: 36px; margin-top: 48px; animation: heroFadeIn .4s .3s both; }
.hero-meta-item { display: flex; flex-direction: column; gap: 6px; }
.hero-meta-item .num { font-family: 'Noto Serif SC', serif; font-size: 32px; font-weight: 600; color: var(--accent); }
.hero-meta-item .lbl { font-size: 13px; color: rgba(255,255,255,.55); }
@keyframes heroFadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }

/* ===== Section common ===== */
.section { padding: 96px 0; }
.section-alt { background: var(--bg-alt); }
.section-head { max-width: 780px; margin-bottom: 56px; }
.section-tag { font-size: 14px; color: var(--primary); font-weight: 600; letter-spacing: .18em; margin-bottom: 14px; display: flex; align-items: center; gap: 8px; }
.section-tag::before { content: ''; width: 24px; height: 2px; background: var(--accent); display: block; }
.section-head h2 { font-family: 'Noto Serif SC', serif; font-size: 38px; font-weight: 600; color: var(--text-main); line-height: 1.3; letter-spacing: .01em; }
.section-head .head-desc { font-size: 16px; color: var(--text-sub); margin-top: 16px; line-height: 1.8; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head.center .section-tag { justify-content: center; }

/* ===== Process / Timeline ===== */
.process-grid { display: flex; flex-direction: column; gap: 0; max-width: 1080px; margin: 0 auto; }
.process-item { display: flex; gap: 48px; padding: 40px 0; border-bottom: 1px solid var(--border); transition: background .2s; border-radius: 4px; }
.process-item:first-child { border-top: 1px solid var(--border); }
.process-item:hover { background: rgba(29,92,77,.02); }
.process-num { font-family: 'Noto Serif SC', serif; font-size: 40px; font-weight: 600; color: var(--accent); min-width: 90px; line-height: 1.1; }
.process-content { flex: 1; }
.process-content h3 { font-size: 20px; font-weight: 600; color: var(--text-main); margin-bottom: 8px; font-family: 'Noto Sans SC', sans-serif; }
.process-content p { font-size: 14px; color: var(--text-sub); line-height: 1.8; max-width: 720px; }
.process-content .tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.chip { display: inline-flex; align-items: center; font-size: 12px; color: var(--primary); background: rgba(29,92,77,.08); border-radius: 2px; padding: 3px 10px; font-weight: 500; letter-spacing: .02em; }

/* ===== Capability / Feature ===== */
.capability-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.capability-image { position: relative; border-radius: var(--radius-img); overflow: hidden; background: var(--bg-alt); min-height: 360px; display: flex; align-items: center; justify-content: center; }
.capability-image img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.capability-image:hover img { transform: scale(1.03); }
.capability-list { display: flex; flex-direction: column; gap: 0; }
.capability-item { display: flex; align-items: flex-start; gap: 16px; padding: 22px 0; border-bottom: 1px solid var(--border); }
.capability-item:first-child { border-top: 1px solid var(--border); }
.capability-item .cap-icon { width: 40px; height: 40px; background: var(--primary); border-radius: 2px; display: flex; align-items: center; justify-content: center; color: var(--accent); font-size: 15px; flex-shrink: 0; }
.capability-item h4 { font-size: 17px; font-weight: 600; color: var(--text-main); margin-bottom: 4px; }
.capability-item p { font-size: 14px; color: var(--text-sub); line-height: 1.75; }

/* ===== Scenarios grid ===== */
.scenario-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.scenario-card { background: var(--bg-cream); border: 1px solid var(--border); border-radius: var(--radius-card); padding: 36px 28px 28px; transition: box-shadow .25s var(--transition), transform .25s var(--transition); position: relative; }
.scenario-card:hover { box-shadow: var(--shadow-card); transform: translateY(-4px); }
.scenario-card .sc-no { font-family: 'Noto Serif SC', serif; font-size: 20px; color: var(--accent); font-weight: 600; margin-bottom: 10px; display: block; }
.scenario-card h3 { font-size: 18px; font-weight: 600; color: var(--text-main); margin-bottom: 10px; }
.scenario-card p { font-size: 14px; color: var(--text-sub); line-height: 1.75; }

/* ===== Two column features ===== */
.duo-block { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.duo-block.reverse { direction: rtl; }
.duo-block.reverse > * { direction: ltr; }
.duo-content h3 { font-family: 'Noto Serif SC', serif; font-size: 28px; font-weight: 600; color: var(--text-main); margin-bottom: 20px; line-height: 1.4; }
.duo-content p { font-size: 15px; color: var(--text-sub); line-height: 1.85; margin-bottom: 14px; }
.duo-content ul { margin-top: 12px; }
.duo-content li { padding: 8px 0; display: flex; align-items: flex-start; gap: 10px; font-size: 14px; color: var(--text-main); }
.duo-content li i { color: var(--accent); font-size: 13px; margin-top: 7px; flex-shrink: 0; }
.duo-image { border-radius: var(--radius-img); overflow: hidden; background: var(--bg-alt); min-height: 320px; }
.duo-image img { width: 100%; height: 100%; object-fit: cover; transition: transform .45s ease; }
.duo-image:hover img { transform: scale(1.04); }
.image-frame { border: 1px solid var(--border); border-radius: var(--radius-card); padding: 8px; background: #fff; }
.image-frame img { border-radius: var(--radius-img); }

/* ===== CTA Banner ===== */
.cta-banner { background: var(--dark-bg); border-radius: 8px; padding: 64px 72px; display: flex; align-items: center; justify-content: space-between; gap: 40px; position: relative; overflow: hidden; }
.cta-banner::before { content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: url('/assets/images/backpic/back-3.webp') center/cover no-repeat; opacity: .06; }
.cta-banner > * { position: relative; z-index: 1; }
.cta-text h2 { font-family: 'Noto Serif SC', serif; font-size: 30px; color: #fff; font-weight: 600; margin-bottom: 10px; }
.cta-text h2 .accent-word { color: var(--accent); }
.cta-text p { color: rgba(255,255,255,.7); font-size: 15px; }
.cta-actions { display: flex; align-items: center; gap: 16px; flex-shrink: 0; }
.cta-actions .btn-dark { background: var(--accent); color: var(--dark-bg); border-color: var(--accent); }
.cta-actions .btn-dark:hover { background: var(--accent-light); }
.cta-actions .btn-outline-dark { border-color: rgba(255,255,255,.6); color: #fff; }
.cta-actions .btn-outline-dark:hover { background: rgba(255,255,255,.08); }

/* ===== FAQ ===== */
.faq-wrap { max-width: 840px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--border); }
.faq-item:first-child { border-top: 1px solid var(--border); }
.faq-q { padding: 26px 16px; display: flex; align-items: center; justify-content: space-between; cursor: pointer; gap: 16px; font-size: 19px; font-weight: 600; color: var(--text-main); transition: color .2s ease; }
.faq-q:hover { color: var(--primary); }
.faq-q .faq-icon { font-size: 18px; color: var(--accent); transition: transform .25s ease; flex-shrink: 0; font-weight: 300; }
.faq-item.open .faq-q { color: var(--primary); }
.faq-item.open .faq-icon { transform: rotate(45deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .25s var(--transition); }
.faq-a-inner { padding: 0 16px 24px; font-size: 15px; color: var(--text-sub); line-height: 1.85; }

/* ===== Footer ===== */
.site-footer { background: var(--dark-bg); color: rgba(255,255,255,.85); padding-top: 72px; position: relative; }
.site-footer::before { content: ''; display: block; width: 60px; height: 2px; background: var(--accent); margin: 0 auto 72px; position: absolute; top: 0; left: 50%; transform: translateX(-50%); }
.footer-top { max-width: 1280px; margin: 0 auto; padding: 0 24px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1.4fr 1fr; gap: 48px; }
.footer-brand .nav-logo { margin-bottom: 18px; }
.footer-brand .logo-icon { background: var(--accent); color: var(--dark-bg); }
.footer-brand .logo-text { color: #fff; }
.footer-brand > p { font-size: 14px; line-height: 1.8; color: rgba(255,255,255,.6); max-width: 320px; }
.footer-col h4 { font-size: 15px; font-weight: 600; color: #fff; margin-bottom: 18px; letter-spacing: .04em; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col a { font-size: 14px; color: rgba(255,255,255,.6); transition: color .2s ease, padding-left .2s ease; }
.footer-col a:hover { color: var(--accent); padding-left: 4px; }
.footer-contact li { display: flex; align-items: flex-start; gap: 8px; font-size: 14px; color: rgba(255,255,255,.6); margin-bottom: 10px; line-height: 1.7; }
.footer-contact i { color: var(--accent); margin-top: 7px; flex-shrink: 0; }
.footer-qr { width: 90px; height: 90px; border: 1px solid rgba(255,255,255,.18); border-radius: 4px; display: flex; align-items: center; justify-content: center; font-size: 36px; color: rgba(255,255,255,.4); margin-bottom: 10px; }
.footer-qr-text { font-size: 13px; color: rgba(255,255,255,.5); }
.footer-bottom { max-width: 1280px; margin: 56px auto 0; padding: 24px; border-top: 1px solid rgba(255,255,255,.08); text-align: center; font-size: 13px; color: rgba(255,255,255,.45); }
.footer-bottom p { display: inline; line-height: 1.6; }

/* ===== Reveal animation ===== */
.reveal { opacity: 0; transform: translateY(8px); transition: opacity .5s ease, transform .5s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: .01ms !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
  .hero-title-anim, .hero-desc-anim, .hero-meta-anim { animation: none !important; }
}

/* ===== Responsive ===== */
@media (max-width: 1023px) {
  .section { padding: 72px 0; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
  .capability-layout { gap: 40px; }
  .scenario-grid { grid-template-columns: 1fr 1fr; }
  .duo-block { gap: 40px; }
  .cta-banner { padding: 48px 40px; flex-direction: column; align-items: flex-start; }
  .cta-actions { width: 100%; }
  .nav-links { gap: 20px; }
  .nav-search input { width: 130px; }
  .nav-search input:focus { width: 150px; }
}

@media (max-width: 767px) {
  .section { padding: 48px 0; }
  .container { padding: 0 16px; }
  .topbar-inner { padding: 0 16px; }
  .topbar-left .topbar-desc { display: none; }
  .countdown-wrap .cd-label { display: none; }
  .cd-sep { margin: 0; }
  .topbar-right { gap: 4px; }
  .topbar-close { padding: 2px 4px; }
  .nav-inner { height: 64px; padding: 0 16px; }
  .nav-links { position: fixed; top: 0; right: -280px; width: 280px; height: 100vh; background: var(--bg-cream); flex-direction: column; align-items: flex-start; padding: 100px 32px 40px; gap: 28px; z-index: 1100; transition: right .3s var(--transition); box-shadow: -8px 0 32px rgba(0,0,0,.1); margin: 0; }
  .nav-links.open { right: 0; }
  .nav-links a { font-size: 18px; }
  .nav-links a::after { display: none; }
  .nav-links a.active { color: var(--primary); border-left: 3px solid var(--accent); padding-left: 12px; }
  .nav-toggle { display: block; }
  .nav-search { display: none; }
  .btn-ghost { display: none; }
  .page-hero { padding: 56px 0 48px; }
  .page-hero h1 { font-size: 32px; }
  .page-hero .hero-desc { font-size: 15px; margin-top: 16px; }
  .page-hero .hero-meta { flex-direction: column; gap: 16px; margin-top: 32px; }
  .page-hero .breadcrumb { margin-bottom: 20px; font-size: 12px; }
  .section-head { margin-bottom: 36px; }
  .section-head h2 { font-size: 26px; }
  .section-tag { font-size: 12px; }
  .process-item { flex-direction: column; gap: 16px; padding: 28px 0; }
  .process-num { font-size: 32px; min-width: auto; }
  .process-content h3 { font-size: 18px; }
  .process-content p { font-size: 14px; }
  .capability-layout { grid-template-columns: 1fr; gap: 32px; }
  .capability-image { min-height: 220px; }
  .capability-item { padding: 16px 0; }
  .scenario-grid { grid-template-columns: 1fr; gap: 16px; }
  .scenario-card { padding: 24px 20px 20px; }
  .duo-block { grid-template-columns: 1fr; gap: 32px; }
  .duo-block.reverse { direction: ltr; }
  .duo-content h3 { font-size: 22px; }
  .duo-content p { font-size: 14px; }
  .cta-banner { padding: 40px 24px; border-radius: 6px; }
  .cta-text h2 { font-size: 24px; }
  .cta-actions { flex-direction: column; gap: 12px; }
  .cta-actions .btn { width: 100%; }
  .faq-q { font-size: 16px; padding: 20px 12px; }
  .faq-a-inner { font-size: 14px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-top { padding: 0 16px; }
  .footer-bottom { padding: 20px 16px; margin-top: 32px; font-size: 12px; }
  .footer-bottom p { display: block; }
}

@media (max-width: 520px) {
  .btn-accent { padding: 10px 18px; font-size: 14px; }
  .hero-meta-item .num { font-size: 26px; }
  .scenario-card p { font-size: 13px; }
}

/* roulang page: category3 */
:root{
  --primary:#1D5C4D;
  --primary-dark:#17493D;
  --primary-light:rgba(29,92,77,.08);
  --dark:#141715;
  --dark-soft:#1C201D;
  --accent:#C29B57;
  --accent-hover:#D2A969;
  --bg:#F7F6F2;
  --bg-alt:#EDEBE5;
  --text:#1E211E;
  --text-secondary:#5E635E;
  --text-weak:#9A9F9A;
  --border:#E2DED6;
  --radius-card:6px;
  --radius-img:4px;
  --radius-btn:2px;
  --shadow-card:0 12px 32px rgba(20,23,21,.08);
  --shadow-btn:0 8px 24px rgba(194,155,87,.25);
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",Georgia,serif;
  --font-sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-num:"Inter",system-ui,sans-serif;
  --max-width:1280px;
  --gutter:24px;
  --ease:cubic-bezier(.25,.1,.25,1);
  --transition:all .25s cubic-bezier(.25,.1,.25,1);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:var(--transition)}
ul,ol{list-style:none}
button{font-family:var(--font-sans);cursor:pointer;border:none;background:none}
input{font-family:var(--font-sans)}
.container{max-width:var(--max-width);margin:0 auto;padding:0 var(--gutter)}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  font-family:var(--font-sans);
  font-size:15px;
  font-weight:600;
  padding:14px 30px;
  border-radius:var(--radius-btn);
  border:1px solid transparent;
  cursor:pointer;
  text-decoration:none;
  line-height:1;
  transition:var(--transition);
  white-space:nowrap;
}
.btn-accent{background:var(--accent);color:var(--dark);border-color:var(--accent)}
.btn-accent:hover{background:var(--accent-hover);transform:translateY(-1px);box-shadow:var(--shadow-btn)}
.btn-outline{border-color:var(--primary);color:var(--primary);background:transparent}
.btn-outline:hover{background:var(--primary-light);transform:translateY(-1px)}
.btn-ghost{color:var(--text-secondary);background:transparent;border-color:transparent}
.btn-ghost:hover{color:var(--primary);background:var(--primary-light)}
.btn-light-outline{border-color:rgba(255,255,255,.4);color:#fff;background:transparent}
.btn-light-outline:hover{border-color:#fff;background:rgba(255,255,255,.08)}
.btn-text-light{color:#fff;background:transparent;border-color:transparent}
.btn-text-light:hover{color:var(--accent);gap:12px}
.btn-text-light i{transition:transform .2s var(--ease)}
.btn-text-light:hover i{transform:translateX(4px)}
.btn-block{width:100%}
.section-tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:13px;
  font-weight:600;
  color:var(--primary);
  letter-spacing:.08em;
  text-transform:uppercase;
}
.section-tag::before{content:"";width:18px;height:2px;background:var(--accent);display:inline-block}
.section-head{margin-bottom:48px}
.section-head h2{
  font-family:var(--font-serif);
  font-size:36px;
  font-weight:600;
  line-height:1.2;
  color:var(--text);
  margin-top:12px;
  letter-spacing:.01em;
}
.section-head h2 em{font-style:normal;color:var(--accent)}
.section-head p{color:var(--text-secondary);font-size:15px;max-width:640px;margin-top:14px}
/* 倒计时条 */
.countdown-bar{
  background:var(--dark);
  color:rgba(255,255,255,.9);
  height:44px;
  display:flex;
  align-items:center;
  position:relative;
  z-index:1001;
  font-size:13px;
}
.countdown-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  width:100%;
  max-width:var(--max-width);
  margin:0 auto;
  padding:0 var(--gutter);
  gap:16px;
}
.cd-text{
  display:flex;
  align-items:center;
  gap:8px;
  font-weight:500;
  flex-shrink:0;
}
.cd-text i{color:var(--accent)}
.cd-timer{
  display:flex;
  align-items:center;
  gap:8px;
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  color:var(--accent);
  font-weight:600;
}
.cd-full{display:flex;align-items:center;gap:4px}
.cd-num{min-width:22px;text-align:center;font-size:14px}
.cd-label{font-size:12px;color:rgba(255,255,255,.55);margin-right:4px}
.cd-short{display:none;font-size:13px}
.cd-close{
  width:26px;height:26px;
  display:flex;align-items:center;justify-content:center;
  color:rgba(255,255,255,.5);
  border-radius:50%;
  transition:var(--transition);
  flex-shrink:0;
}
.cd-close:hover{color:#fff;background:rgba(255,255,255,.12)}
/* 导航 */
.main-nav{
  position:sticky;
  top:0;
  z-index:1000;
  background:rgba(247,246,242,.9);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(226,222,214,.7);
  transition:var(--transition);
}
.main-nav.scrolled{
  background:rgba(247,246,242,.98);
  box-shadow:0 8px 30px rgba(20,23,21,.05);
}
.nav-inner{
  max-width:var(--max-width);
  margin:0 auto;
  padding:0 var(--gutter);
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:68px;
  gap:24px;
}
.nav-logo{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
  font-size:18px;
  font-weight:600;
  font-family:var(--font-serif);
  color:var(--text);
}
.logo-icon{
  width:32px;height:32px;
  display:flex;align-items:center;justify-content:center;
  background:var(--primary);
  color:var(--accent);
  border-radius:var(--radius-img);
  font-size:14px;
}
.logo-text{letter-spacing:.02em}
.nav-links{
  display:flex;
  align-items:center;
  gap:6px;
  flex:1;
  justify-content:center;
}
.nav-links a{
  position:relative;
  font-size:15px;
  color:var(--text-secondary);
  padding:10px 14px;
  font-weight:500;
  white-space:nowrap;
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:4px;
  height:2px;
  background:var(--accent);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .2s var(--ease);
}
.nav-links a:hover{color:var(--text)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.active{color:var(--primary);font-weight:600}
.nav-links a.active::after{transform:scaleX(1)}
.nav-actions{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.nav-search{
  position:relative;
  width:180px;
}
.nav-search input{
  width:100%;
  height:36px;
  padding:0 34px 0 12px;
  border:1px solid var(--border);
  border-radius:var(--radius-btn);
  background:#fff;
  font-size:13px;
  color:var(--text);
  transition:var(--transition);
}
.nav-search input:focus{
  outline:none;
  border-color:var(--primary);
  box-shadow:0 0 0 2px var(--primary-light);
}
.nav-search .search-icon{
  position:absolute;
  right:12px;top:50%;
  transform:translateY(-50%);
  font-size:13px;
  color:var(--text-weak);
  pointer-events:none;
}
.nav-toggle{
  display:none;
  width:40px;height:40px;
  border-radius:var(--radius-btn);
  color:var(--text);
  font-size:18px;
  transition:var(--transition);
}
.nav-toggle:hover{background:var(--border);color:var(--primary)}
/* Page Hero */
.page-hero{
  background:
    linear-gradient(rgba(20,23,21,.88),rgba(20,23,21,.91)),
    url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  color:#fff;
  padding:96px 0 88px;
  border-bottom:3px solid var(--accent);
}
.hero-inner{
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:64px;
  align-items:center;
}
.hero-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:500;
  color:var(--accent);
  background:rgba(194,155,87,.12);
  border:1px solid rgba(194,155,87,.28);
  padding:6px 14px;
  border-radius:30px;
  letter-spacing:.04em;
  margin-bottom:24px;
}
.hero-badge i{font-size:12px}
.hero-content h1{
  font-family:var(--font-serif);
  font-size:56px;
  font-weight:700;
  line-height:1.15;
  margin-bottom:20px;
  letter-spacing:.01em;
}
.hero-content h1 .highlight{color:var(--accent)}
.hero-sub{
  font-size:16px;
  line-height:1.9;
  color:rgba(255,255,255,.72);
  max-width:520px;
  margin-bottom:32px;
}
.hero-actions{
  display:flex;
  align-items:center;
  gap:18px;
  margin-bottom:40px;
  flex-wrap:wrap;
}
.hero-meta{
  display:flex;
  gap:0;
  border-top:1px solid rgba(255,255,255,.14);
  padding-top:28px;
}
.hero-stat{
  flex:1;
  position:relative;
  padding:0 24px;
  text-align:left;
}
.hero-stat:first-child{padding-left:0}
.hero-stat:not(:last-child)::after{
  content:"";
  position:absolute;
  right:0;top:8px;bottom:8px;
  width:1px;
  background:rgba(255,255,255,.14);
}
.hero-stat strong{
  display:block;
  font-family:var(--font-serif);
  font-size:32px;
  font-weight:700;
  color:var(--accent);
  line-height:1.2;
}
.hero-stat span{
  font-family:var(--font-sans);
  font-size:13px;
  color:rgba(255,255,255,.55);
  margin-top:4px;
  display:block;
}
.hero-media{
  position:relative;
}
.hero-media::before{
  content:"";
  position:absolute;
  inset:0;
  border:1px solid rgba(194,155,87,.4);
  border-radius:var(--radius-img);
  transform:translate(12px,12px);
  z-index:0;
  pointer-events:none;
}
.hero-media img{
  position:relative;
  z-index:1;
  width:100%;
  height:360px;
  object-fit:cover;
  border-radius:var(--radius-img);
  background:var(--dark-soft);
}
.hero-media .img-badge{
  position:absolute;
  z-index:2;
  bottom:18px;left:18px;
  background:rgba(20,23,21,.78);
  backdrop-filter:blur(8px);
  color:#fff;
  font-size:12px;
  font-weight:500;
  padding:6px 14px;
  border-radius:30px;
  border:1px solid rgba(255,255,255,.16);
  display:flex;
  align-items:center;
  gap:6px;
}
.hero-media .img-badge i{color:var(--accent)}
/* 图文混排 */
.split-section{padding:96px 0}
.split-section.alt{background:var(--bg-alt)}
.split-inner{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:72px;
  align-items:center;
}
.split-section.reverse .split-inner{
  grid-template-columns:.95fr 1.05fr;
}
.split-section.reverse .split-media{order:2}
.split-section.reverse .split-content{order:1}
.split-content h2{
  font-family:var(--font-serif);
  font-size:38px;
  font-weight:600;
  line-height:1.25;
  margin:12px 0 20px;
  color:var(--text);
}
.split-content h2 em{font-style:normal;color:var(--primary)}
.split-content p{
  font-size:15px;
  line-height:1.95;
  color:var(--text-secondary);
  margin-bottom:16px;
}
.split-content p strong{color:var(--text);font-weight:600}
.split-list{margin-top:24px}
.split-list li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:14px;
  color:var(--text-secondary);
  padding:7px 0;
}
.split-list li i{
  color:var(--accent);
  font-size:14px;
  margin-top:6px;
  flex-shrink:0;
}
.split-media{
  position:relative;
}
.split-media img{
  width:100%;
  height:380px;
  object-fit:cover;
  border-radius:var(--radius-img);
  box-shadow:0 20px 60px rgba(20,23,21,.1);
  background:var(--bg-alt);
}
.split-media .media-caption{
  font-size:13px;
  color:var(--text-weak);
  text-align:center;
  margin-top:12px;
}
/* 资讯方向 */
.directions-section{padding:96px 0}
.directions-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:0;
  border-top:1px solid var(--border);
}
.direction-item{
  padding:40px 32px 32px 0;
  border-bottom:1px solid var(--border);
  position:relative;
  transition:var(--transition);
}
.direction-item:not(:last-child){border-right:1px solid var(--border);padding-right:32px}
.direction-num{
  font-family:var(--font-serif);
  font-size:42px;
  font-weight:700;
  color:transparent;
  -webkit-text-stroke:1px var(--accent);
  line-height:1;
  display:block;
  margin-bottom:20px;
}
.direction-item h3{
  font-size:19px;
  font-weight:600;
  color:var(--text);
  margin-bottom:10px;
  font-family:var(--font-sans);
}
.direction-item p{
  font-size:14px;
  line-height:1.85;
  color:var(--text-secondary);
}
.direction-item::before{
  content:"";
  position:absolute;
  top:0;
  left:0;
  width:0;
  height:2px;
  background:var(--accent);
  transition:width .3s var(--ease);
}
.direction-item:hover::before{width:100%}
.direction-item:hover h3{color:var(--primary)}
/* 步骤 */
.steps-section{padding:96px 0;background:var(--bg-alt)}
.steps-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.step-item{
  background:var(--bg);
  border:1px solid var(--border);
  border-radius:var(--radius-card);
  padding:40px 32px;
  transition:var(--transition);
  position:relative;
}
.step-item:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-card);
  border-color:rgba(29,92,77,.25);
}
.step-num{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:44px;height:44px;
  background:var(--primary);
  color:var(--accent);
  font-family:var(--font-num);
  font-size:16px;
  font-weight:600;
  border-radius:50%;
  margin-bottom:20px;
}
.step-item h3{
  font-size:19px;
  font-weight:600;
  margin-bottom:10px;
  color:var(--text);
}
.step-item p{
  font-size:14px;
  color:var(--text-secondary);
  line-height:1.85;
}
.step-item .step-icon{
  position:absolute;
  right:24px;top:32px;
  font-size:22px;
  color:var(--border);
  transition:var(--transition);
}
.step-item:hover .step-icon{color:var(--accent);transform:scale(1.1)}
/* CTA 区 */
.cta-section{padding:96px 0}
.cta-bar{
  background:var(--dark);
  border-radius:var(--radius-card);
  padding:56px 64px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:48px;
  position:relative;
  overflow:hidden;
}
.cta-bar::before{
  content:"";
  position:absolute;
  top:0;left:0;
  width:100%;height:3px;
  background:linear-gradient(90deg,var(--accent),transparent);
}
.cta-bar::after{
  content:"";
  position:absolute;
  right:-60px;bottom:-60px;
  width:240px;height:240px;
  background:radial-gradient(circle,rgba(194,155,87,.1),transparent 70%);
  pointer-events:none;
}
.cta-text h2{
  font-family:var(--font-serif);
  font-size:30px;
  font-weight:600;
  color:#fff;
  margin-bottom:12px;
  line-height:1.3;
}
.cta-text p{
  font-size:14px;
  color:rgba(255,255,255,.65);
  max-width:520px;
  line-height:1.8;
}
.cta-actions{
  display:flex;
  gap:14px;
  flex-shrink:0;
  position:relative;
  z-index:2;
}
/* FAQ */
.faq-section{padding:96px 0;background:var(--bg-alt)}
.faq-list{
  max-width:840px;
  margin:0 auto;
}
.faq-item{
  border-bottom:1px solid var(--border);
  transition:var(--transition);
}
.faq-item:first-child{border-top:1px solid var(--border)}
.faq-question{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  width:100%;
  text-align:left;
  padding:24px 4px;
  font-family:var(--font-sans);
  font-size:18px;
  font-weight:600;
  color:var(--text);
  transition:var(--transition);
  background:transparent;
}
.faq-question:hover{color:var(--primary)}
.faq-icon{
  width:32px;height:32px;
  display:flex;align-items:center;justify-content:center;
  border:1px solid var(--border);
  border-radius:50%;
  color:var(--text-secondary);
  font-size:14px;
  transition:var(--transition);
  flex-shrink:0;
}
.faq-item.active .faq-icon{
  background:var(--primary);
  border-color:var(--primary);
  color:var(--accent);
  transform:rotate(45deg);
}
.faq-answer{
  max-height:0;
  overflow:hidden;
  transition:max-height .25s var(--ease);
}
.faq-answer p{
  padding:0 48px 24px 4px;
  font-size:15px;
  line-height:1.9;
  color:var(--text-secondary);
}
.faq-answer p strong{color:var(--text)}
/* 页脚 */
.site-footer{
  background:var(--dark);
  color:rgba(255,255,255,.7);
  padding-top:64px;
}
.footer-top{
  border-top:2px solid var(--accent);
}
.footer-grid{
  max-width:var(--max-width);
  margin:0 auto;
  padding:0 var(--gutter);
  display:grid;
  grid-template-columns:1.4fr 1fr 1.2fr 1fr;
  gap:48px;
  padding-bottom:56px;
}
.footer-brand .nav-logo{color:#fff;margin-bottom:16px}
.footer-brand .logo-icon{background:rgba(255,255,255,.1);color:var(--accent)}
.footer-brand p{
  font-size:14px;
  line-height:1.9;
  color:rgba(255,255,255,.55);
  max-width:280px;
}
.footer-col h4{
  font-size:15px;
  font-weight:600;
  color:#fff;
  margin-bottom:18px;
  font-family:var(--font-sans);
  letter-spacing:.03em;
}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{
  font-size:14px;
  color:rgba(255,255,255,.55);
  transition:var(--transition);
}
.footer-col ul a:hover{color:var(--accent);padding-left:4px}
.footer-contact li{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:14px;
  color:rgba(255,255,255,.55);
  line-height:1.7;
  margin-bottom:12px;
}
.footer-contact i{color:var(--accent);font-size:13px;margin-top:2px}
.footer-qr{
  width:108px;height:108px;
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--radius-img);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:40px;
  color:rgba(255,255,255,.35);
  margin-bottom:12px;
}
.footer-qr-text{
  font-size:13px;
  color:rgba(255,255,255,.45);
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);
  padding:20px 0;
  text-align:center;
}
.footer-bottom p{
  font-size:13px;
  color:rgba(255,255,255,.4);
  font-family:var(--font-sans);
}
.footer-bottom span{color:rgba(255,255,255,.6);font-weight:500}
/* 动效 */
.reveal{
  opacity:0;
  transform:translateY(8px);
  transition:opacity .4s var(--ease),transform .4s var(--ease);
}
.reveal.visible{
  opacity:1;
  transform:translateY(0);
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;transition-duration:.01ms !important}
}
/* 响应式 */
@media (max-width:1024px){
  :root{--gutter:20px}
  .hero-content h1{font-size:44px}
  .hero-inner{gap:40px}
  .split-inner{gap:48px}
  .split-content h2{font-size:32px}
  .directions-grid{grid-template-columns:repeat(2,1fr)}
  .direction-item:nth-child(2){border-right:none}
  .direction-item{padding:32px 24px 32px 0}
  .direction-item:nth-child(even){padding-right:0;border-right:none}
  .direction-item:nth-child(3){border-right:1px solid var(--border)}
  .cta-bar{flex-direction:column;align-items:flex-start;padding:48px 40px;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:40px}
  .nav-links{position:fixed;top:0;right:-340px;width:320px;height:100vh;background:var(--bg);flex-direction:column;align-items:flex-start;justify-content:flex-start;padding:80px 40px 40px;gap:8px;transition:right .3s var(--ease);box-shadow:-20px 0 50px rgba(20,23,21,.12);z-index:1000}
  .nav-links.open{right:0}
  .nav-links a{width:100%;padding:14px 0;font-size:17px;border-bottom:1px solid var(--border);border-radius:0}
  .nav-links a::after{display:none}
  .nav-toggle{display:flex;align-items:center;justify-content:center}
  .nav-actions .btn-ghost{display:none}
  .nav-search{width:120px}
}
@media (max-width:768px){
  :root{--gutter:16px}
  .countdown-bar{height:40px}
  .cd-full{display:none}
  .cd-short{display:inline-block}
  .cd-text{font-size:12px;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;max-width:55%}
  .page-hero{padding:56px 0 48px}
  .hero-inner{grid-template-columns:1fr;gap:40px}
  .hero-content h1{font-size:36px}
  .hero-sub{font-size:15px}
  .hero-media{max-width:520px}
  .hero-media img{height:280px}
  .split-section{padding:64px 0}
  .split-inner,.split-section.reverse .split-inner{grid-template-columns:1fr;gap:32px}
  .split-section.reverse .split-media{order:0}
  .split-section.reverse .split-content{order:0}
  .split-media img{height:260px}
  .split-content h2{font-size:30px}
  .directions-section{padding:64px 0}
  .directions-grid{grid-template-columns:1fr}
  .direction-item,.direction-item:nth-child(2),.direction-item:nth-child(even),.direction-item:nth-child(3){
    border-right:none;padding:28px 0;border-bottom:1px solid var(--border)}
  .steps-section{padding:64px 0}
  .steps-grid{grid-template-columns:1fr}
  .faq-section{padding:64px 0}
  .faq-question{font-size:17px;padding:20px 0}
  .faq-answer p{padding:0 4px 20px 0;font-size:14px}
  .cta-section{padding:64px 0}
  .cta-bar{padding:40px 24px;flex-direction:column;align-items:flex-start}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1;justify-content:center}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{justify-content:center}
  .hero-meta{flex-direction:column;gap:16px}
  .hero-stat{padding:0}
  .hero-stat::after{display:none}
  .section-head h2{font-size:28px}
  .section-head p{font-size:14px}
  .btn{padding:14px 24px;font-size:14px}
}
@media (max-width:520px){
  .main-nav .nav-actions .btn-accent{width:40px;height:40px;padding:0;font-size:0;justify-content:center}
  .main-nav .nav-actions .btn-accent::before{content:"\f15c";font-family:"Font Awesome 6 Free";font-weight:900;font-size:16px}
  .nav-search{width:40px}
  .nav-search input{opacity:0;pointer-events:none}
  .search-icon{display:none}
  .hero-content h1{font-size:32px}
  .hero-badge{font-size:12px}
  .hero-stat strong{font-size:26px}
  .cta-bar h2{font-size:22px}
  .footer-bottom{padding:16px 0}
}