/* roulang page: index */
:root {
  --primary: #A4E61A;
  --primary-hover: #BEF23D;
  --primary-dim: rgba(164,230,26,0.12);
  --accent: #FF7021;
  --accent-hover: #FF8A45;
  --bg: #0B0F0C;
  --surface: #141A15;
  --surface-2: #1B231D;
  --border: #263026;
  --border-light: #384137;
  --text-main: #F0F6EE;
  --text-secondary: #9CA9A0;
  --text-muted: #6B786F;
  --success: #3DDC84;
  --warning: #FFC53D;
  --error: #FF5D5D;
  --shadow-card: 0 4px 20px rgba(0,0,0,0.35);
  --shadow-hover: 0 8px 32px rgba(0,0,0,0.5);
  --radius: 12px;
  --radius-btn: 8px;
  --radius-input: 10px;
  --transition: 0.25s ease;
}
* , *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC", "HarmonyOS Sans SC", "Source Han Sans SC", "Microsoft YaHei", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text-main);
  font-size: 15px;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--primary); }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, textarea { font-family: inherit; }
ul, ol { list-style: none; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border-light); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ==== 按钮 ==== */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  height: 48px; padding: 0 32px; border-radius: var(--radius-btn);
  font-size: 15px; font-weight: 700; letter-spacing: 0.5px;
  transition: all var(--transition); border: 1px solid transparent;
  line-height: 1;
}
.btn-primary {
  background: var(--accent); color: #0B0F0C;
  box-shadow: 0 0 24px rgba(255,112,33,0.25);
}
.btn-primary:hover { background: var(--accent-hover); transform: translateY(-2px); box-shadow: 0 8px 32px rgba(255,112,33,0.35); color: #0B0F0C; }
.btn-primary:active { transform: translateY(0); }
.btn-ghost {
  background: transparent; border-color: var(--primary); color: var(--primary);
}
.btn-ghost:hover { background: var(--primary-dim); transform: translateY(-2px); color: var(--primary); }
.btn-white {
  background: #fff; color: #0B0F0C; height: 50px; padding: 0 40px; font-size: 16px;
}
.btn-white:hover { background: #0B0F0C; color: var(--accent); }
.btn-outline-white {
  background: transparent; border: 1px solid #fff; color: #fff; height: 50px; padding: 0 32px; font-size: 16px;
}
.btn-outline-white:hover { background: #fff; color: var(--accent); }
.btn-sm { height: 36px; padding: 0 20px; font-size: 13px; border-radius: 6px; }
.btn:disabled { opacity: 0.4; cursor: not-allowed; }
.text-link { color: var(--primary); font-size: 14px; font-weight: 600; display: inline-flex; align-items: center; gap: 4px; transition: gap var(--transition); }
.text-link:hover { gap: 8px; color: var(--primary-hover); }

/* ==== 倒计时条 ==== */
.top-countdown {
  width: 100%;
  background: linear-gradient(90deg, #1A1F17 0%, #171D15 100%);
  border-bottom: 1px solid var(--border);
  padding: 8px 0;
  position: relative;
  z-index: 99;
}
.countdown-inner {
  display: flex; align-items: center; justify-content: center; gap: 24px;
  flex-wrap: wrap;
}
.status-pill {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(255,112,33,0.15); border: 1px solid var(--accent);
  color: var(--accent); border-radius: 999px; padding: 4px 14px;
  font-size: 13px; font-weight: 700;
}
.pulse-dot {
  width: 8px; height: 8px; border-radius: 50%; background: var(--accent);
  animation: pulse 1.6s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.75); }
}
.countdown-timer { display: flex; align-items: center; gap: 8px; }
.countdown-label { font-size: 13px; color: var(--text-secondary); margin-right: 8px; }
.timer-blocks { display: flex; align-items: center; gap: 6px; }
.time-block {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  background: #0F130E; border-radius: 8px; min-width: 48px; height: 44px;
  padding: 4px 8px; border: 1px solid var(--border);
}
.time-num {
  font-size: 20px; font-weight: 800; color: var(--accent);
  font-variant-numeric: tabular-nums; letter-spacing: 2px; line-height: 1.2;
}
.time-unit { font-size: 11px; color: var(--text-muted); line-height: 1; }
.time-sep { font-size: 20px; font-weight: 700; color: var(--accent); }
.countdown-cta { flex-shrink: 0; }

/* ==== 导航 ==== */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}
.nav-first-row {
  display: flex; align-items: center; justify-content: space-between;
  height: 60px; gap: 24px;
}
.logo { flex-shrink: 0; display: inline-flex; flex-direction: column; gap: 3px; }
.logo-name { font-size: 20px; font-weight: 800; letter-spacing: 1px; color: var(--text-main); white-space: nowrap; }
.logo-highlight { color: var(--primary); }
.logo-bar { width: 100%; height: 4px; background: var(--primary); border-radius: 999px; }
.search-box {
  flex: 1; max-width: 520px; display: flex; align-items: center;
  background: var(--surface-2); border-radius: var(--radius-input);
  border: 1px solid var(--border); padding: 0 8px 0 14px;
  transition: border-color var(--transition), box-shadow var(--transition);
  height: 40px;
}
.search-box:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(164,230,26,0.15);
}
.search-box svg { flex-shrink: 0; }
.search-box input {
  flex: 1; background: transparent; border: none; outline: none;
  color: var(--text-main); font-size: 14px; padding: 0 10px;
  min-width: 0;
}
.search-box input::placeholder { color: var(--text-muted); }
.search-btn {
  height: 32px; padding: 0 16px; background: var(--primary); color: #0B0F0C;
  border-radius: 6px; font-size: 13px; font-weight: 700;
  transition: all var(--transition); flex-shrink: 0;
}
.search-btn:hover { background: var(--primary-hover); }
.nav-icons { display: flex; align-items: center; gap: 16px; flex-shrink: 0; }
.nav-icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 36px; height: 36px; border-radius: 8px;
  color: var(--text-secondary); transition: all var(--transition);
}
.nav-icon:hover { color: var(--text-main); background: var(--surface-2); }
.nav-second-row {
  display: flex; align-items: center; justify-content: space-between;
  border-top: 1px solid var(--border); height: 46px;
}
.nav-links { display: flex; gap: 4px; }
.nav-links a {
  position: relative; display: inline-flex; align-items: center;
  padding: 0 16px; height: 46px; font-size: 14px; font-weight: 600;
  color: var(--text-secondary); transition: color var(--transition);
}
.nav-links a:hover { color: var(--text-main); }
.nav-links a.active { color: var(--primary); }
.nav-links a.active::after {
  content: ''; position: absolute; bottom: 0; left: 16px; right: 16px;
  height: 2px; background: var(--primary); border-radius: 2px 2px 0 0;
}
.nav-tags { display: flex; gap: 8px; align-items: center; }
.nav-tag {
  display: inline-flex; align-items: center; padding: 4px 14px;
  border-radius: 999px; font-size: 13px; font-weight: 600;
  background: var(--primary-dim); color: var(--primary);
  transition: all var(--transition);
}
.nav-tag:hover { background: rgba(164,230,26,0.25); color: var(--primary-hover); }
.hamburger { display: none; }
.mobile-menu {
  display: none; position: fixed; top: 0; right: 0; bottom: 0; z-index: 999;
  width: 300px; max-width: 85vw; background: var(--surface);
  border-left: 1px solid var(--border); padding: 24px;
  transform: translateX(100%); transition: transform 0.3s ease;
  overflow-y: auto;
}
.mobile-menu.open { transform: translateX(0); }
.mobile-menu-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 24px; }
.mobile-menu .search-box { max-width: 100%; margin-bottom: 24px; }
.mobile-menu .nav-links { flex-direction: column; gap: 0; }
.mobile-menu .nav-links a { display: block; padding: 14px 0; height: auto; border-bottom: 1px solid var(--border); color: var(--text-secondary); }
.mobile-menu .nav-links a:hover { color: var(--primary); background: transparent; }
.mobile-menu .nav-links a.active::after { display: none; }
.mobile-menu .nav-links a.active { color: var(--primary); }
.mobile-menu .nav-tags { margin-top: 24px; flex-wrap: wrap; }
.menu-overlay {
  display: none; position: fixed; inset: 0; z-index: 998;
  background: rgba(0,0,0,0.6); backdrop-filter: blur(2px);
}
.menu-overlay.show { display: block; }

/* ==== Section Header ==== */
.section-header {
  display: flex; align-items: center; gap: 12px;
  margin-bottom: 32px;
}
.section-header .bar { width: 4px; height: 24px; background: var(--primary); border-radius: 2px; flex-shrink: 0; }
.section-header h2 { font-size: 28px; font-weight: 700; line-height: 1.35; }
.section-header .slogan { font-size: 14px; color: var(--text-muted); margin-top: 4px; letter-spacing: 2px; }
.section-header .more { margin-left: auto; }

/* ==== Hero ==== */
.hero {
  position: relative;
  background-image: linear-gradient(180deg, rgba(16,21,15,0.9) 0%, var(--bg) 100%), url('/assets/images/backpic/back-1.webp');
  background-size: cover; background-position: center;
  padding: clamp(56px, 7vw, 96px) 0 clamp(48px, 5vw, 72px);
}
.hero-content { text-align: center; max-width: 800px; margin: 0 auto 56px; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--primary-dim); color: var(--primary);
  border: 1px solid rgba(164,230,26,0.3);
  border-radius: 999px; padding: 6px 18px; font-size: 13px; font-weight: 700;
  margin-bottom: 20px;
}
.hero-content h1 {
  font-size: clamp(32px, 4.5vw, 40px); font-weight: 800; line-height: 1.3;
  margin-bottom: 20px; letter-spacing: 1px;
}
.hero-content h1 .accent-text { color: var(--primary); }
.hero-content p { font-size: 16px; line-height: 1.8; color: var(--text-secondary); max-width: 640px; margin: 0 auto 32px; }
.hero-actions { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }

/* ==== Feature Grid ==== */
.feature-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
}
.feature-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 24px;
  transition: all var(--transition);
}
.feature-card:hover {
  border-color: var(--border-light); box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}
.feature-card .icon-box {
  width: 40px; height: 40px; border-radius: 8px; background: var(--primary-dim);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 16px; transition: background var(--transition);
}
.feature-card .icon-box svg { width: 20px; height: 20px; color: var(--primary); transition: color var(--transition); }
.feature-card:hover .icon-box { background: var(--primary); }
.feature-card:hover .icon-box svg { color: #0B0F0C; }
.feature-card h3 { font-size: 18px; font-weight: 600; margin-bottom: 8px; line-height: 1.4; }
.feature-card p { font-size: 14px; color: var(--text-secondary); line-height: 1.7; }
.feature-card.special { background: linear-gradient(135deg, rgba(164,230,26,0.1) 0%, transparent 60%), var(--surface); }
.feature-card.special .video-cover { position: relative; border-radius: 8px; overflow: hidden; aspect-ratio: 16/9; margin-bottom: 12px; }
.feature-card.special .video-cover img { width: 100%; height: 100%; object-fit: cover; }
.feature-card.special .play-icon {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  background: rgba(0,0,0,0.3); transition: background var(--transition);
}
.feature-card.special .play-icon svg { width: 40px; height: 40px; color: #fff; transition: transform var(--transition); }
.feature-card.special:hover .play-icon { background: rgba(0,0,0,0.45); }
.feature-card.special:hover .play-icon svg { transform: scale(1.1); }

/* ==== Gallery ==== */
.gallery-section { padding: clamp(56px, 7vw, 96px) 0; background: var(--bg); }
.gallery-grid {
  display: grid; grid-template-columns: repeat(6, 1fr); grid-auto-flow: dense; gap: 16px;
}
.gallery-item {
  position: relative; border-radius: 16px; overflow: hidden;
  background: var(--surface-2); border: 1px solid var(--border);
  transition: all var(--transition);
}
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.45s ease; }
.gallery-item:hover { border-color: var(--border-light); box-shadow: var(--shadow-hover); }
.gallery-item:hover img { transform: scale(1.03); }
.gallery-item .gallery-overlay {
  position: absolute; inset: 0; display: flex; align-items: flex-end;
  padding: 16px; background: linear-gradient(transparent, rgba(0,0,0,0.7));
  opacity: 0; transition: opacity var(--transition);
}
.gallery-item:hover .gallery-overlay { opacity: 1; }
.gallery-item .gallery-title { color: #fff; font-size: 14px; font-weight: 600; }
.gallery-item.item-1 { grid-column: span 4; aspect-ratio: 16/7; }
.gallery-item.item-2 { grid-column: span 2; aspect-ratio: 4/3; }
.gallery-item.item-3, .gallery-item.item-4 { grid-column: span 1; aspect-ratio: 1/1; }
.gallery-item.item-5 { grid-column: span 2; aspect-ratio: 4/3; }
.gallery-item.item-6 { grid-column: span 4; aspect-ratio: 16/7; }
.gallery-item.item-1 .gallery-overlay { opacity: 1; }
.gallery-card-cta {
  grid-column: span 2; display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 12px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 16px; padding: 24px; text-align: center;
  transition: all var(--transition);
}
.gallery-card-cta:hover { border-color: var(--primary); background: var(--primary-dim); }
.gallery-card-cta .cta-mark { width: 48px; height: 48px; border-radius: 50%; background: var(--accent); display: flex; align-items: center; justify-content: center; }
.gallery-card-cta .cta-mark svg { width: 24px; height: 24px; color: #0B0F0C; }
.gallery-card-cta h3 { font-size: 16px; font-weight: 700; }
.gallery-card-cta p { font-size: 13px; color: var(--text-secondary); }

/* ==== CTA Section ==== */
.cta-section {
  background: linear-gradient(135deg, #FF7021 0%, #FF8A45 100%);
  padding: clamp(48px, 7vw, 80px) 0;
  position: relative; overflow: hidden;
}
.cta-section::before {
  content: ''; position: absolute; right: -80px; top: -80px;
  width: 300px; height: 300px;
  border: 40px solid rgba(255,255,255,0.08); border-radius: 50%;
}
.cta-section::after {
  content: ''; position: absolute; right: 120px; bottom: -100px;
  width: 200px; height: 200px;
  border: 24px solid rgba(255,255,255,0.05); border-radius: 50%;
}
.cta-content { position: relative; z-index: 1; text-align: center; color: #fff; }
.cta-content h2 { font-size: clamp(32px, 4vw, 40px); font-weight: 800; line-height: 1.3; margin-bottom: 16px; letter-spacing: 1px; }
.cta-content p { font-size: 16px; line-height: 1.6; color: rgba(255,255,255,0.85); max-width: 640px; margin: 0 auto 32px; }
.cta-buttons { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }

/* ==== FAQ ==== */
.faq-section { padding: clamp(56px, 7vw, 96px) 0; background: var(--surface); }
.faq-list { max-width: 760px; margin: 0 auto; display: flex; flex-direction: column; gap: 8px; }
.faq-item {
  background: var(--surface-2); border: 1px solid var(--border);
  border-radius: 10px; overflow: hidden; transition: border-color var(--transition);
}
.faq-item:hover { border-color: var(--border-light); }
.faq-item.open { border-color: var(--primary); }
.faq-q {
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 24px; cursor: pointer; font-size: 16px; font-weight: 600;
  color: var(--text-main); transition: color var(--transition);
}
.faq-q:hover { color: var(--primary); }
.faq-icon {
  width: 24px; height: 24px; flex-shrink: 0; position: relative;
  transition: transform 0.3s ease;
}
.faq-icon::before, .faq-icon::after {
  content: ''; position: absolute; background: var(--primary);
  border-radius: 2px; transition: all 0.3s ease;
}
.faq-icon::before { width: 16px; height: 2px; top: 11px; left: 4px; }
.faq-icon::after { width: 2px; height: 16px; top: 4px; left: 11px; }
.faq-item.open .faq-icon { transform: rotate(45deg); }
.faq-a {
  display: none; padding: 0 24px 20px; font-size: 14px; line-height: 1.8;
  color: var(--text-secondary);
}
.faq-item.open .faq-a { display: block; }

/* ==== Latest News ==== */
.latest-news { padding: clamp(56px, 7vw, 96px) 0; background: var(--bg); }
.news-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.news-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 24px;
  transition: all var(--transition);
  display: flex; flex-direction: column;
}
.news-card:hover {
  border-color: var(--border-light); box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}
.news-thumb { position: relative; border-radius: 8px; overflow: hidden; margin-bottom: 16px; aspect-ratio: 16/9; background: var(--surface-2); }
.news-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.news-card:hover .news-thumb img { transform: scale(1.04); }
.news-thumb .badge {
  position: absolute; top: 10px; left: 10px;
  background: var(--primary-dim); color: var(--primary);
  border-radius: 999px; padding: 4px 12px; font-size: 13px; font-weight: 600;
  backdrop-filter: blur(4px);
}
.news-content { flex: 1; display: flex; flex-direction: column; }
.news-content h3 { font-size: 16px; font-weight: 600; line-height: 1.5; margin-bottom: 8px; }
.news-content h3 a { color: var(--text-main); }
.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: 16px; flex: 1;
}
.news-meta {
  display: flex; align-items: center; justify-content: space-between;
  border-top: 1px solid var(--border); padding-top: 12px;
  margin-top: auto;
}
.news-meta time { font-size: 14px; color: var(--text-muted); font-variant-numeric: tabular-nums; }
.news-link { color: var(--primary); font-size: 14px; font-weight: 600; display: inline-flex; align-items: center; gap: 4px; }
.news-link:hover { color: var(--primary-hover); gap: 8px; }
.news-empty-state {
  grid-column: 1/-1; text-align: center; padding: 48px; border: 2px dashed var(--border);
  border-radius: var(--radius); color: var(--text-muted); font-size: 15px;
}

/* ==== Trust Bar ==== */
.trust-bar { background: var(--surface); border-top: 1px solid var(--border); padding: 40px 0; }
.trust-inner { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; text-align: center; }
.trust-item { padding: 16px; }
.trust-item .num { font-size: 24px; font-weight: 800; color: var(--primary); line-height: 1.3; font-variant-numeric: tabular-nums; }
.trust-item .unit { font-size: 14px; color: var(--text-muted); }
.trust-item .label { font-size: 14px; color: var(--text-secondary); margin-top: 4px; }

/* ==== Footer ==== */
.site-footer { background: var(--surface); border-top: 1px solid var(--border); padding-top: clamp(48px, 6vw, 80px); }
.footer-grid { display: grid; grid-template-columns: 3fr 2fr 2fr 2fr; gap: 40px; margin-bottom: 40px; }
.footer-brand .logo { margin-bottom: 16px; }
.footer-desc { font-size: 13px; color: var(--text-secondary); line-height: 1.7; max-width: 260px; margin-bottom: 16px; }
.footer-social { display: flex; gap: 12px; }
.footer-social a {
  display: inline-flex; align-items: center; justify-content: center;
  width: 36px; height: 36px; border-radius: 8px;
  background: var(--surface-2); border: 1px solid var(--border);
  color: var(--text-secondary); transition: all var(--transition);
}
.footer-social a:hover { background: var(--primary-dim); color: var(--primary); border-color: var(--primary); }
.footer-col h4 { font-size: 15px; font-weight: 700; margin-bottom: 16px; color: var(--text-main); }
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul a { font-size: 13px; color: var(--text-secondary); transition: color var(--transition), padding-left var(--transition); }
.footer-col ul a:hover { color: var(--primary); padding-left: 4px; }
.footer-bottom {
  border-top: 1px solid var(--border); padding: 20px 0;
  text-align: center; font-size: 12px; color: var(--text-muted);
  display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap;
}

/* ==== Responsive ==== */
@media (max-width: 1199px) {
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-grid { grid-template-columns: repeat(4, 1fr); }
  .gallery-item.item-1 { grid-column: span 3; }
  .gallery-item.item-2 { grid-column: span 1; }
  .gallery-item.item-3, .gallery-item.item-4 { grid-column: span 2; }
  .gallery-item.item-5 { grid-column: span 2; }
  .gallery-item.item-6 { grid-column: span 4; }
  .gallery-card-cta { grid-column: span 2; }
  .news-grid { grid-template-columns: repeat(2, 1fr); }
  .news-card:last-child { grid-column: span 2; }
  .footer-grid { grid-template-columns: 2fr 2fr 2fr; }
}
@media (max-width: 991px) {
  .nav-first-row { height: 60px; }
  .search-box { max-width: 360px; }
  .nav-second-row { overflow-x: auto; }
  .nav-links { white-space: nowrap; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .news-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 767px) {
  .container { padding: 0 16px; }
  .top-countdown { padding: 6px 0; }
  .countdown-inner { gap: 10px; }
  .status-pill { font-size: 12px; padding: 2px 10px; }
  .countdown-label { display: none; }
  .time-block { min-width: 38px; height: 32px; padding: 2px 4px; }
  .time-num { font-size: 16px; }
  .countdown-cta .btn { height: 32px; padding: 0 14px; font-size: 12px; }
  .nav-first-row { justify-content: space-between; }
  .search-box, .nav-icons, .nav-second-row { display: none; }
  .hamburger { display: inline-flex; }
  .mobile-menu { display: block; }
  .hero { padding: 40px 0 48px; }
  .hero-content h1 { font-size: 26px; }
  .hero-actions .btn { width: 100%; max-width: 280px; }
  .feature-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: 1fr; }
  .gallery-item.item-1 { grid-column: span 1; aspect-ratio: 16/7; }
  .gallery-item.item-2 { grid-column: span 1; aspect-ratio: 4/3; }
  .gallery-item.item-3, .gallery-item.item-4, .gallery-item.item-5 { grid-column: span 1; aspect-ratio: 16/9; }
  .gallery-item.item-6 { grid-column: span 1; aspect-ratio: 16/9; }
  .gallery-card-cta { grid-column: span 1; }
  .cta-content h2 { font-size: 26px; }
  .cta-buttons .btn { width: 100%; max-width: 280px; }
  .news-grid { grid-template-columns: 1fr; }
  .news-card:last-child { grid-column: span 1; }
  .trust-inner { grid-template-columns: 1fr; gap: 16px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .faq-q { padding: 16px 16px; font-size: 15px; }
  .faq-a { padding: 0 16px 16px; }
  .section-header h2 { font-size: 22px; }
}
@media (min-width: 768px) {
  .mobile-menu { display: none !important; }
  .menu-overlay { display: none !important; }
}

/* roulang page: article */
:root {
  --primary: #A4E61A;
  --primary-hover: #BEF23D;
  --primary-dim: rgba(164, 230, 26, 0.12);
  --accent: #FF7021;
  --accent-hover: #FF8A45;
  --bg: #0B0F0C;
  --surface: #141A15;
  --surface-2: #1B231D;
  --border: #263026;
  --border-light: #384137;
  --text-main: #F0F6EE;
  --text-secondary: #9CA9A0;
  --text-muted: #6B786F;
  --success: #3DDC84;
  --warning: #FFC53D;
  --error: #FF5D5D;
  --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.35);
  --shadow-hover: 0 8px 32px rgba(0, 0, 0, 0.5);
  --radius: 12px;
  --radius-btn: 8px;
  --radius-input: 10px;
  --radius-pill: 999px;
  --font-stack: "PingFang SC", "HarmonyOS Sans SC", "Source Han Sans SC", "Microsoft YaHei", system-ui, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-stack);
  background: var(--bg);
  color: var(--text-main);
  font-size: 15px;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  font-variant-numeric: tabular-nums;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease;
}

ul,
ol {
  list-style: none;
}

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

input {
  font-family: inherit;
  border: none;
  outline: none;
  background: none;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

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

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.header-top {
  display: flex;
  align-items: center;
  gap: 24px;
  min-height: 78px;
  position: relative;
}

.logo {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex-shrink: 0;
}

.logo-name {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 0.5px;
  color: var(--text-main);
  white-space: nowrap;
}

.logo-highlight {
  color: var(--primary);
}

.logo-bar {
  display: block;
  width: 100%;
  height: 4px;
  background: var(--primary);
  border-radius: var(--radius-pill);
}

.search-box {
  flex: 1;
  max-width: 480px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-input);
  padding: 0 6px 0 14px;
  height: 44px;
  transition: box-shadow 0.25s ease, border-color 0.25s ease;
}

.search-box:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(164, 230, 26, 0.15), 0 0 24px rgba(164, 230, 26, 0.08);
}

.search-box svg {
  flex-shrink: 0;
  color: var(--text-muted);
}

.search-box input {
  flex: 1;
  padding: 8px 12px;
  color: var(--text-main);
  font-size: 14px;
}

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

.search-box button {
  background: var(--primary);
  color: #0B0F0C;
  font-weight: 700;
  font-size: 14px;
  padding: 8px 18px;
  border-radius: 6px;
  transition: background 0.2s ease;
  white-space: nowrap;
}

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

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.icon-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  color: var(--text-secondary);
  transition: background 0.2s, color 0.2s;
}

.icon-btn:hover {
  color: var(--text-main);
  background: var(--surface-2);
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 10px;
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-main);
  border-radius: 2px;
  transition: all 0.3s ease;
}

.menu-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.site-header nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 10px 0 14px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-links a {
  display: block;
  padding: 8px 14px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: 6px;
  transition: color 0.2s ease, background 0.2s ease;
  position: relative;
}

.nav-links a:hover {
  color: var(--text-main);
  background: var(--surface-2);
}

.nav-links a.active {
  color: var(--text-main);
  font-weight: 600;
}

.nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 14px;
  right: 14px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
}

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

.nav-pills a {
  display: inline-block;
  padding: 6px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  font-size: 13px;
  color: var(--text-secondary);
  transition: all 0.2s ease;
  white-space: nowrap;
}

.nav-pills a:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-dim);
}

/* ===== Breadcrumb ===== */
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  padding: 24px 0 12px;
  font-size: 14px;
  color: var(--text-secondary);
}

.breadcrumb a {
  color: var(--text-secondary);
  transition: color 0.2s ease;
}

.breadcrumb a:hover {
  color: var(--primary);
}

.breadcrumb .sep {
  color: var(--text-muted);
}

.breadcrumb .current {
  color: var(--text-muted);
  max-width: 320px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ===== Article ===== */
.article-page {
  padding-bottom: 24px;
}

.article-card {
  max-width: 720px;
  margin: 0 auto 40px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: clamp(24px, 4vw, 48px);
  box-shadow: var(--shadow-card);
}

.article-header h1 {
  font-size: 32px;
  font-weight: 800;
  line-height: 1.3;
  color: var(--text-main);
  margin-bottom: 16px;
  letter-spacing: 0.5px;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 14px;
  color: var(--text-muted);
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 24px;
}

.meta-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.meta-item::before {
  content: '';
  display: inline-block;
  width: 4px;
  height: 4px;
  background: var(--border-light);
  border-radius: 50%;
}

.meta-item:first-child::before {
  display: none;
}

.article-cover {
  margin-bottom: 28px;
}

.article-cover img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: var(--radius);
}

.article-body {
  font-size: 16px;
  line-height: 1.9;
  color: var(--text-main);
}

.article-body > * + * {
  margin-top: 20px;
}

.article-body p {
  font-size: 16px;
  line-height: 1.9;
  color: var(--text-main);
}

.article-body h2,
.article-body h3,
.article-body h4 {
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.4;
  margin-top: 32px;
  margin-bottom: 12px;
}

.article-body h2 {
  font-size: 22px;
}

.article-body h3 {
  font-size: 20px;
}

.article-body h4 {
  font-size: 18px;
}

.article-body blockquote {
  border-left: 4px solid var(--primary);
  background: var(--surface-2);
  border-radius: 8px;
  padding: 20px;
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin: 24px 0;
}

.article-body ul,
.article-body ol {
  padding-left: 24px;
  line-height: 1.9;
  color: var(--text-main);
}

.article-body ul {
  list-style: disc;
}

.article-body ol {
  list-style: decimal;
}

.article-body li {
  margin-bottom: 8px;
}

.article-body img {
  max-width: 100%;
  border-radius: var(--radius);
  margin: 24px 0;
}

.article-body a {
  color: var(--primary);
  text-decoration: underline;
  text-underline-offset: 4px;
}

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

.article-body table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  margin: 24px 0;
}

.article-body th {
  background: var(--surface-2);
  color: var(--text-main);
  font-weight: 600;
  padding: 12px;
  text-align: left;
  border-bottom: 2px solid var(--border-light);
}

.article-body td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  color: var(--text-secondary);
}

.article-body code {
  background: var(--surface-2);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 14px;
  color: var(--primary);
}

/* ===== Not Found ===== */
.not-found {
  text-align: center;
  padding: 80px 24px;
}

.not-found p {
  font-size: 18px;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--accent);
  color: #0B0F0C;
  font-weight: 700;
  font-size: 15px;
  padding: 14px 32px;
  border-radius: var(--radius-btn);
  transition: background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
  box-shadow: 0 0 24px rgba(255, 112, 33, 0.25);
}

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 4px 28px rgba(255, 112, 33, 0.35);
}

.btn-primary:active {
  transform: translateY(0);
}

/* ===== Related ===== */
.related-section {
  max-width: 1200px;
  margin: 0 auto 40px;
}

.section-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
}

.section-bar {
  width: 4px;
  height: 24px;
  background: var(--primary);
  border-radius: 2px;
  flex-shrink: 0;
}

.section-header h2 {
  font-size: 28px;
  font-weight: 700;
  line-height: 1.35;
  color: var(--text-main);
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.related-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  min-height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 14px;
  transition: border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
}

.related-card.placeholder {
  background: var(--surface-2);
  border-style: dashed;
  border-color: var(--border);
}

.related-card.placeholder:hover {
  border-color: var(--border-light);
  box-shadow: var(--shadow-card);
  transform: translateY(-4px);
}

/* ===== Back Bar ===== */
.back-bar {
  text-align: center;
  padding: 24px 0 56px;
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 32px;
  border: 1px solid var(--primary);
  border-radius: var(--radius-btn);
  color: var(--primary);
  font-size: 15px;
  font-weight: 600;
  background: none;
  transition: background 0.2s ease, transform 0.2s ease;
}

.btn-ghost:hover {
  background: var(--primary-dim);
  transform: translateY(-2px);
}

.btn-ghost:active {
  transform: translateY(0);
}

/* ===== Footer ===== */
.site-footer {
  background: var(--surface);
  border-top: 1px solid var(--border);
  margin-top: clamp(48px, 6vw, 80px);
}

.site-footer .container {
  padding-top: 48px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 3fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
}

.footer-brand .logo {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 16px;
}

.footer-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 20px;
  max-width: 300px;
}

.footer-social {
  display: flex;
  gap: 12px;
}

.footer-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  transition: all 0.2s ease;
}

.footer-social a:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-dim);
}

.footer-col h4 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 16px;
}

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col ul a {
  font-size: 13px;
  color: var(--text-secondary);
  transition: color 0.2s ease;
}

.footer-col ul a:hover {
  color: var(--primary);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding: 20px 0;
  border-top: 1px solid var(--border);
  font-size: 12px;
  color: var(--text-muted);
}

/* ===== Responsive ===== */
@media (max-width: 991px) {
  .header-top {
    gap: 16px;
  }

  .search-box {
    max-width: 340px;
  }

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

@media (max-width: 767px) {
  .container {
    padding: 0 16px;
  }

  .header-top {
    min-height: 64px;
    gap: 12px;
  }

  .logo-name {
    font-size: 18px;
  }

  .search-box {
    display: none;
  }

  .header-actions {
    display: none;
  }

  .menu-toggle {
    display: flex;
    margin-left: auto;
  }

  .site-header nav {
    display: none;
    flex-direction: column;
    padding: 16px 0 20px;
    gap: 12px;
  }

  .site-header nav.nav-open {
    display: flex;
  }

  .nav-links {
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
  }

  .nav-links a {
    padding: 12px 14px;
    border-radius: 8px;
  }

  .nav-links a.active {
    background: var(--surface-2);
  }

  .nav-links a.active::after {
    display: none;
  }

  .nav-pills {
    width: 100%;
    justify-content: center;
  }

  .breadcrumb {
    padding: 16px 0 8px;
    font-size: 13px;
  }

  .breadcrumb .current {
    max-width: 180px;
  }

  .article-card {
    padding: 20px;
    margin-bottom: 32px;
    border-radius: 12px;
  }

  .article-header h1 {
    font-size: 26px;
  }

  .article-meta {
    gap: 10px;
    font-size: 13px;
  }

  .article-body {
    font-size: 15px;
    line-height: 1.85;
  }

  .article-body p {
    font-size: 15px;
  }

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

  .related-card {
    min-height: 80px;
  }

  .section-header h2 {
    font-size: 22px;
  }

  .back-bar {
    padding: 16px 0 40px;
  }

  .btn-ghost {
    width: 100%;
    justify-content: center;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
    padding-bottom: 24px;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 6px;
  }
}

@media (max-width: 520px) {
  .container {
    padding: 0 12px;
  }

  .article-card {
    padding: 16px;
  }

  .article-header h1 {
    font-size: 24px;
  }

  .article-meta {
    flex-direction: column;
    gap: 4px;
  }

  .meta-item::before {
    display: none;
  }

  .breadcrumb {
    gap: 4px;
  }

  .section-header h2 {
    font-size: 20px;
  }
}

/* roulang page: category1 */
:root {
            --primary: #A4E61A;
            --primary-hover: #BEF23D;
            --primary-dim: rgba(164, 230, 26, 0.12);
            --accent: #FF7021;
            --accent-hover: #FF8A45;
            --bg: #0B0F0C;
            --surface: #141A15;
            --surface-2: #1B231D;
            --border: #263026;
            --border-light: #384137;
            --text-main: #F0F6EE;
            --text-secondary: #9CA9A0;
            --text-muted: #6B786F;
            --success: #3DDC84;
            --warning: #FFC53D;
            --error: #FF5D5D;
            --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.35);
            --shadow-hover: 0 8px 32px rgba(0, 0, 0, 0.5);
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-input: 10px;
            --radius-badge: 999px;
            --font-family: "PingFang SC", "HarmonyOS Sans SC", "Source Han Sans SC", "Microsoft YaHei", system-ui, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-family);
            background: var(--bg);
            color: var(--text-main);
            font-size: 15px;
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.2s ease;
        }

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

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

        ul,
        ol {
            list-style: none;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
        }

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

        .header-top {
            border-bottom: 1px solid var(--border);
        }

        .header-top-inner {
            display: flex;
            align-items: center;
            gap: 24px;
            height: 78px;
        }

        .logo {
            display: inline-flex;
            flex-direction: column;
            gap: 6px;
            flex-shrink: 0;
            width: 200px;
        }

        .logo-name {
            font-size: 20px;
            font-weight: 800;
            letter-spacing: 0.5px;
            white-space: nowrap;
            line-height: 1.2;
        }

        .logo-highlight {
            color: var(--primary);
        }

        .logo-bar {
            width: 100%;
            height: 4px;
            background: var(--primary);
            border-radius: 4px;
            opacity: 0.8;
        }

        .header-search {
            flex: 1;
            display: flex;
            align-items: center;
            background: var(--surface-2);
            border-radius: var(--radius-input);
            border: 1px solid var(--border);
            padding: 0 6px 0 16px;
            height: 44px;
            max-width: 520px;
            margin: 0 auto;
            transition: border-color 0.2s ease, box-shadow 0.2s ease;
        }

        .header-search:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(164, 230, 26, 0.15);
        }

        .header-search svg {
            flex-shrink: 0;
            margin-right: 10px;
            color: var(--text-muted);
        }

        .header-search input {
            flex: 1;
            background: transparent;
            border: none;
            color: var(--text-main);
            height: 100%;
            font-size: 14px;
        }

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

        .search-btn {
            background: var(--primary);
            color: #0B0F0C;
            font-weight: 700;
            font-size: 14px;
            border-radius: 6px;
            padding: 8px 20px;
            cursor: pointer;
            transition: background 0.2s ease;
            flex-shrink: 0;
        }

        .search-btn:hover {
            background: var(--primary-hover);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .icon-btn {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--text-secondary);
            border: 1px solid var(--border);
            transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
        }

        .icon-btn:hover {
            color: var(--text-main);
            border-color: var(--border-light);
            background: var(--surface);
        }

        .menu-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 8px;
            align-items: center;
            justify-content: center;
            border: 1px solid var(--border);
            color: var(--text-secondary);
            cursor: pointer;
            background: var(--surface);
            transition: color 0.2s ease, border-color 0.2s ease;
        }

        .menu-toggle:hover {
            color: var(--text-main);
            border-color: var(--border-light);
        }

        .header-bottom {
            background: var(--bg);
        }

        .header-bottom-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 52px;
            gap: 20px;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 32px;
        }

        .nav-links a {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 14px 2px;
            display: inline-block;
            position: relative;
            transition: color 0.2s ease;
        }

        .nav-links a::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 100%;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transform: scaleX(0);
            transform-origin: center;
            transition: transform 0.25s ease;
        }

        .nav-links a:hover {
            color: var(--text-main);
        }

        .nav-links a.active {
            color: var(--text-main);
            font-weight: 600;
        }

        .nav-links a.active::after {
            transform: scaleX(1);
        }

        .nav-tags {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .nav-tag {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 6px 16px;
            border-radius: var(--radius-badge);
            background: var(--primary-dim);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            transition: background 0.2s ease, color 0.2s ease;
        }

        .nav-tag:hover {
            background: var(--primary);
            color: #0B0F0C;
        }

        .mobile-search-wrap {
            display: none;
        }

        /* ===== Category Hero ===== */
        .category-hero {
            position: relative;
            background: linear-gradient(180deg, rgba(11, 15, 12, 0.92) 0%, rgba(11, 15, 12, 0.75) 50%, rgba(11, 15, 12, 0.94) 100%), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            padding: 76px 0 72px;
            border-bottom: 1px solid var(--border);
        }

        .category-hero .container {
            position: relative;
            z-index: 2;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary-dim);
            border: 1px solid rgba(164, 230, 26, 0.3);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: var(--radius-badge);
            margin-bottom: 20px;
        }

        .hero-badge .dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--primary);
            animation: pulse 1.6s infinite ease-in-out;
        }

        @keyframes pulse {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.4;
                transform: scale(0.7);
            }
        }

        .category-hero h1 {
            font-size: 40px;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }

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

        .category-hero .hero-desc {
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-secondary);
            max-width: 720px;
            margin-bottom: 32px;
        }

        .hero-actions {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--accent);
            color: #0B0F0C;
            font-weight: 700;
            font-size: 15px;
            border-radius: var(--radius-btn);
            height: 48px;
            padding: 0 28px;
            cursor: pointer;
            transition: background 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
            box-shadow: 0 0 24px rgba(255, 112, 33, 0.25);
        }

        .btn-primary:hover {
            background: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 28px rgba(255, 112, 33, 0.35);
        }

        .btn-primary:active {
            transform: translateY(0);
        }

        .btn-ghost {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: transparent;
            border: 1px solid var(--primary);
            color: var(--primary);
            font-weight: 600;
            font-size: 15px;
            border-radius: var(--radius-btn);
            height: 48px;
            padding: 0 28px;
            cursor: pointer;
            transition: background 0.25s ease, transform 0.25s ease;
        }

        .btn-ghost:hover {
            background: var(--primary-dim);
            transform: translateY(-2px);
        }

        .btn-ghost:active {
            transform: translateY(0);
        }

        /* ===== Section header ===== */
        .section-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 20px;
            margin-bottom: 36px;
        }

        .section-header-left {
            display: flex;
            align-items: flex-start;
            gap: 12px;
        }

        .section-header-bar {
            width: 4px;
            height: 24px;
            background: var(--primary);
            border-radius: 4px;
            flex-shrink: 0;
            margin-top: 6px;
        }

        .section-header h2 {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.35;
        }

        .section-header .section-sub {
            font-size: 14px;
            color: var(--text-muted);
            margin-top: 6px;
            letter-spacing: 1px;
        }

        .section-more {
            color: var(--primary);
            font-size: 14px;
            font-weight: 500;
            white-space: nowrap;
            transition: padding-right 0.2s ease;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .section-more:hover {
            padding-right: 4px;
        }

        /* ===== Features ===== */
        .section-features {
            padding: clamp(56px, 7vw, 96px) 0;
            background: var(--bg);
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .feature-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 24px;
            transition: border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
        }

        .feature-card:hover {
            border-color: var(--border-light);
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }

        .feature-icon {
            width: 40px;
            height: 40px;
            border-radius: 8px;
            background: var(--primary-dim);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            margin-bottom: 18px;
            transition: background 0.25s ease, color 0.25s ease;
        }

        .feature-card:hover .feature-icon {
            background: var(--primary);
            color: #0B0F0C;
        }

        .feature-card h3 {
            font-size: 18px;
            font-weight: 600;
            line-height: 1.4;
            margin-bottom: 10px;
        }

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

        /* ===== Showcase ===== */
        .section-showcase {
            padding: clamp(56px, 7vw, 96px) 0;
            background: var(--surface);
        }

        .showcase-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .showcase-card {
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
        }

        .showcase-card:hover {
            border-color: var(--border-light);
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }

        .showcase-cover {
            aspect-ratio: 16/9;
            overflow: hidden;
            background: var(--surface-2);
            position: relative;
        }

        .showcase-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .showcase-card:hover .showcase-cover img {
            transform: scale(1.04);
        }

        .showcase-body {
            padding: 20px;
        }

        .showcase-tag {
            display: inline-block;
            background: var(--primary-dim);
            color: var(--primary);
            font-size: 12px;
            font-weight: 600;
            padding: 3px 12px;
            border-radius: var(--radius-badge);
            margin-bottom: 12px;
        }

        .showcase-body h3 {
            font-size: 17px;
            font-weight: 600;
            line-height: 1.5;
            margin-bottom: 8px;
        }

        .showcase-body p {
            font-size: 14px;
            line-height: 1.7;
            color: var(--text-secondary);
        }

        /* ===== Scenarios ===== */
        .section-scenarios {
            padding: clamp(56px, 7vw, 96px) 0;
            background: var(--bg);
        }

        .scenarios-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .scenario-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 24px;
            position: relative;
            transition: border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
        }

        .scenario-card:hover {
            border-color: var(--border-light);
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }

        .scenario-num {
            position: absolute;
            top: 20px;
            right: 24px;
            font-size: 32px;
            font-weight: 800;
            color: rgba(164, 230, 26, 0.15);
            line-height: 1;
            font-variant-numeric: tabular-nums;
        }

        .scenario-card h3 {
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 10px;
            padding-right: 28px;
        }

        .scenario-card p {
            font-size: 14px;
            line-height: 1.7;
            color: var(--text-secondary);
        }

        /* ===== Process ===== */
        .section-process {
            padding: clamp(56px, 7vw, 96px) 0;
            background: var(--surface);
        }

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

        .process-step {
            text-align: center;
            padding: 0 12px;
            position: relative;
        }

        .process-step::after {
            content: "";
            position: absolute;
            top: 28px;
            left: calc(50% + 36px);
            width: calc(100% - 72px);
            height: 1px;
            background: var(--border);
            border-top: 1px dashed var(--border-light);
        }

        .process-step:last-child::after {
            display: none;
        }

        .step-circle {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--primary-dim);
            border: 1px solid rgba(164, 230, 26, 0.3);
            color: var(--primary);
            font-size: 20px;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
            font-variant-numeric: tabular-nums;
            position: relative;
            z-index: 1;
            background-color: var(--surface);
            transition: background 0.25s ease, color 0.25s ease;
        }

        .process-step:hover .step-circle {
            background: var(--primary);
            color: #0B0F0C;
        }

        .process-step h3 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 8px;
        }

        .process-step p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ===== Stats ===== */
        .section-stats {
            padding: 48px 0;
            background: var(--bg);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .stat-item {
            text-align: center;
            padding: 24px 12px;
        }

        .stat-icon {
            width: 36px;
            height: 36px;
            margin: 0 auto 12px;
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .stat-value {
            font-size: 24px;
            font-weight: 800;
            color: var(--text-main);
            line-height: 1.3;
            font-variant-numeric: tabular-nums;
            margin-bottom: 6px;
        }

        .stat-label {
            font-size: 14px;
            color: var(--text-muted);
        }

        /* ===== FAQ ===== */
        .section-faq {
            padding: clamp(56px, 7vw, 96px) 0;
            background: var(--bg);
        }

        .faq-wrap {
            max-width: 760px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .faq-item {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: 10px;
            overflow: hidden;
            transition: border-color 0.25s ease;
        }

        .faq-item:hover {
            border-color: var(--border-light);
        }

        .faq-item.active {
            border-color: var(--primary);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 24px;
            cursor: pointer;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
            transition: color 0.2s ease;
        }

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

        .faq-icon {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: var(--primary-dim);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            flex-shrink: 0;
            transition: transform 0.3s ease, background 0.3s ease, color 0.3s ease;
        }

        .faq-item.active .faq-icon {
            transform: rotate(45deg);
            background: var(--primary);
            color: #0B0F0C;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
        }

        .faq-item.active .faq-answer {
            max-height: 320px;
        }

        .faq-answer-inner {
            padding: 0 24px 20px;
            font-size: 14px;
            line-height: 1.8;
            color: var(--text-secondary);
        }

        /* ===== CTA ===== */
        .section-cta {
            position: relative;
            background: linear-gradient(135deg, #FF7021 0%, #FF8A45 100%);
            padding: clamp(48px, 7vw, 80px) 0;
            overflow: hidden;
        }

        .section-cta::before {
            content: "";
            position: absolute;
            right: -60px;
            top: -60px;
            width: 240px;
            height: 240px;
            border: 2px solid rgba(255, 255, 255, 0.08);
            border-radius: 24px;
            transform: rotate(45deg);
            pointer-events: none;
        }

        .section-cta::after {
            content: "";
            position: absolute;
            right: 20px;
            bottom: -100px;
            width: 200px;
            height: 200px;
            border: 2px solid rgba(255, 255, 255, 0.06);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-inner {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 720px;
            margin: 0 auto;
        }

        .cta-inner h2 {
            font-size: 36px;
            font-weight: 800;
            color: #fff;
            line-height: 1.3;
            margin-bottom: 12px;
        }

        .cta-inner p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.6;
            margin-bottom: 32px;
        }

        .cta-actions {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .btn-white {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: #fff;
            color: #0B0F0C;
            font-weight: 700;
            font-size: 16px;
            border-radius: var(--radius-btn);
            height: 50px;
            padding: 0 32px;
            cursor: pointer;
            transition: background 0.25s ease, color 0.25s ease, transform 0.25s ease;
        }

        .btn-white:hover {
            background: #0B0F0C;
            color: var(--accent);
            transform: translateY(-2px);
        }

        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: transparent;
            border: 1px solid #fff;
            color: #fff;
            font-weight: 600;
            font-size: 16px;
            border-radius: var(--radius-btn);
            height: 50px;
            padding: 0 32px;
            cursor: pointer;
            transition: background 0.25s ease, color 0.25s ease, transform 0.25s ease;
        }

        .btn-outline-light:hover {
            background: #fff;
            color: var(--accent);
            transform: translateY(-2px);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--surface);
            padding-top: clamp(48px, 6vw, 80px);
            border-top: 1px solid var(--border);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 3fr 3fr 3fr 3fr;
            gap: 40px;
            padding-bottom: 48px;
        }

        .footer-brand .logo {
            width: auto;
            margin-bottom: 16px;
        }

        .footer-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 20px;
            max-width: 300px;
        }

        .footer-social {
            display: flex;
            gap: 12px;
        }

        .footer-social a {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            border: 1px solid var(--border);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-secondary);
            transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
        }

        .footer-social a:hover {
            color: var(--primary);
            border-color: var(--primary);
            background: var(--primary-dim);
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 16px;
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-col a {
            font-size: 13px;
            color: var(--text-secondary);
            transition: color 0.2s ease;
        }

        .footer-col a:hover {
            color: var(--primary);
        }

        .footer-bottom {
            border-top: 1px solid var(--border);
            padding: 20px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 12px;
            color: var(--text-muted);
        }

        .footer-bottom a {
            color: var(--text-muted);
        }

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

        /* ===== Responsive ===== */
        @media (max-width: 1199px) {
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .showcase-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .scenarios-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .process-steps {
                grid-template-columns: repeat(2, 1fr);
                gap: 32px;
            }

            .process-step::after {
                display: none;
            }

            .stats-grid {
                grid-template-columns: repeat(4, 1fr);
            }
        }

        @media (max-width: 991px) {
            .header-search {
                max-width: 300px;
            }

            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 32px;
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
        }

        @media (max-width: 767px) {
            .container {
                padding: 0 16px;
            }

            .header-top-inner {
                height: 64px;
                gap: 12px;
            }

            .logo {
                width: auto;
            }

            .logo-name {
                font-size: 18px;
            }

            .header-search {
                display: none;
            }

            .header-actions .icon-btn {
                display: none;
            }

            .menu-toggle {
                display: flex;
            }

            .header-bottom {
                display: none;
                border-top: 1px solid var(--border);
                background: var(--bg);
            }

            .header-bottom.open {
                display: block;
                position: fixed;
                top: 64px;
                left: 0;
                right: 0;
                z-index: 99;
                max-height: calc(100vh - 64px);
                overflow-y: auto;
                box-shadow: var(--shadow-hover);
            }

            .header-bottom-inner {
                flex-direction: column;
                align-items: stretch;
                height: auto;
                padding: 20px 16px;
                gap: 16px;
            }

            .mobile-search-wrap {
                display: block;
            }

            .mobile-search-wrap .header-search {
                display: flex;
                max-width: 100%;
            }

            .nav-links {
                flex-direction: column;
                align-items: stretch;
                gap: 0;
            }

            .nav-links a {
                display: block;
                padding: 14px 0;
                border-bottom: 1px solid var(--border);
                font-size: 16px;
            }

            .nav-links a::after {
                display: none;
            }

            .nav-tags {
                padding-top: 12px;
            }

            .category-hero {
                padding: 48px 0 40px;
            }

            .category-hero h1 {
                font-size: 28px;
            }

            .category-hero .hero-desc {
                font-size: 15px;
            }

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

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

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

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

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

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

            .cta-inner h2 {
                font-size: 28px;
            }

            .cta-actions .btn-white,
            .cta-actions .btn-outline-light {
                width: calc(50% - 8px);
                padding: 0 16px;
                font-size: 15px;
            }

            .section-header {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }

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

            .faq-question {
                padding: 16px 18px;
                font-size: 14px;
            }

            .faq-answer-inner {
                padding: 0 18px 16px;
                font-size: 14px;
            }
        }

        @media (max-width: 420px) {
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }

            .hero-actions .btn-primary,
            .hero-actions .btn-ghost {
                width: 100%;
            }

            .cta-actions {
                flex-direction: column;
            }

            .cta-actions .btn-white,
            .cta-actions .btn-outline-light {
                width: 100%;
            }
        }

/* roulang page: category2 */
:root {
  --primary: #A4E61A;
  --primary-hover: #BEF23D;
  --primary-dim: rgba(164,230,26,0.12);
  --accent: #FF7021;
  --accent-hover: #FF8A45;
  --bg: #0B0F0C;
  --surface: #141A15;
  --surface-2: #1B231D;
  --border: #263026;
  --border-light: #384137;
  --text-main: #F0F6EE;
  --text-secondary: #9CA9A0;
  --text-muted: #6B786F;
  --success: #3DDC84;
  --warning: #FFC53D;
  --error: #FF5D5D;
  --shadow-card: 0 4px 20px rgba(0,0,0,0.35);
  --shadow-hover: 0 8px 32px rgba(0,0,0,0.5);
}

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

html {
  scroll-behavior: smooth;
}

::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: var(--bg);
}

::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 6px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--border-light);
}

body {
  font-family: "PingFang SC", "HarmonyOS Sans SC", "Source Han Sans SC", "Microsoft YaHei", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text-main);
  font-size: 15px;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease, padding 0.2s ease, background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

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

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

button {
  cursor: pointer;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
  width: 100%;
}

.section {
  padding: clamp(56px, 7vw, 96px) 0;
}

/* 区块标题 */
.section-header {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 12px;
  margin-bottom: 40px;
  position: relative;
}

.section-bar {
  width: 4px;
  height: 24px;
  background: var(--primary);
  border-radius: 2px;
  flex-shrink: 0;
}

.section-header h2 {
  font-size: 28px;
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: 0.5px;
}

.section-note {
  width: 100%;
  font-size: 13px;
  color: var(--text-muted);
  letter-spacing: 2px;
  margin-left: 16px;
  margin-top: -6px;
  text-transform: uppercase;
}

.section-more {
  margin-left: auto;
  font-size: 14px;
  color: var(--primary);
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.section-more:hover {
  padding-right: 4px;
  color: var(--primary-hover);
}

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 48px;
  padding: 0 32px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 700;
  transition: all 0.25s ease;
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent);
  color: #0B0F0C;
  box-shadow: 0 0 24px rgba(255,112,33,0.25);
}

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(255,112,33,0.35);
}

.btn-primary:active {
  transform: translateY(0);
}

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

.btn-ghost:hover {
  background: var(--primary-dim);
}

.btn-white {
  background: #fff;
  color: #0B0F0C;
  height: 50px;
  padding: 0 40px;
  font-weight: 700;
}

.btn-white:hover {
  background: #0B0F0C;
  color: #FF7021;
  transform: translateY(-2px);
}

.btn-outline-white {
  background: transparent;
  border: 1px solid #fff;
  color: #fff;
  height: 50px;
  padding: 0 40px;
  font-weight: 700;
}

.btn-outline-white:hover {
  background: #fff;
  color: var(--accent);
  transform: translateY(-2px);
}

/* 倒计时条 */
.countdown-bar {
  background: #13180F;
  border-bottom: 1px solid var(--border);
  position: relative;
  z-index: 101;
  width: 100%;
}

.countdown-bar .container {
  display: flex;
  align-items: center;
  gap: 16px;
  min-height: 64px;
  padding-top: 8px;
  padding-bottom: 8px;
  flex-wrap: wrap;
}

.countdown-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--primary-dim);
  border-radius: 999px;
  padding: 6px 16px;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  white-space: nowrap;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 1.6s infinite;
}

@keyframes pulse {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(255,112,33,0.6);
  }
  50% {
    box-shadow: 0 0 0 6px rgba(255,112,33,0);
  }
}

.countdown-timer {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: auto;
}

.timer-block {
  background: #0F130E;
  border-radius: 8px;
  min-width: 56px;
  padding: 6px 8px;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.timer-num {
  font-size: 20px;
  font-weight: 800;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
  letter-spacing: 2px;
  line-height: 1.2;
}

.timer-label {
  font-size: 11px;
  color: var(--text-muted);
  line-height: 1.2;
}

.timer-colon {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-muted);
}

.countdown-cta {
  background: var(--accent);
  color: #0B0F0C;
  font-size: 14px;
  font-weight: 700;
  border-radius: 6px;
  padding: 10px 20px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.25s ease;
  white-space: nowrap;
}

.countdown-cta:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(255,112,33,0.3);
}

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

.header-main {
  display: flex;
  align-items: center;
  gap: 24px;
  height: 78px;
}

.logo {
  flex-shrink: 0;
  width: 200px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.logo-name {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 1px;
  color: var(--text-main);
  white-space: nowrap;
}

.logo-highlight {
  color: var(--primary);
}

.logo-bar {
  width: 100%;
  height: 4px;
  background: var(--primary);
  border-radius: 2px;
}

.search-box {
  flex: 1;
  max-width: 50%;
  margin: 0 auto;
  display: flex;
  align-items: center;
  background: var(--surface-2);
  border-radius: 10px;
  padding: 0 4px 0 16px;
  height: 46px;
  border: 2px solid transparent;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.search-box:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(164,230,26,0.15);
}

.search-box svg {
  color: var(--text-muted);
  flex-shrink: 0;
  margin-right: 10px;
}

.search-box input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-main);
  font-size: 14px;
  height: 100%;
}

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

.search-box button {
  background: var(--primary);
  color: #0B0F0C;
  font-weight: 700;
  font-size: 14px;
  border-radius: 8px;
  height: 38px;
  padding: 0 22px;
  margin: 3px;
  transition: background 0.2s ease;
}

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

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.icon-btn {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: background 0.2s ease, color 0.2s ease;
}

.icon-btn:hover {
  background: var(--surface-2);
  color: var(--text-main);
}

.menu-toggle {
  display: none;
}

.header-nav {
  background: var(--bg);
  border-top: 1px solid var(--border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 52px;
}

.nav-links {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 4px;
  margin: 0;
  padding: 0;
}

.nav-links li a {
  display: inline-flex;
  align-items: center;
  height: 52px;
  padding: 0 18px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  transition: color 0.2s ease;
}

.nav-links li a:hover {
  color: var(--text-main);
}

.nav-links li a.active {
  color: var(--text-main);
  font-weight: 600;
}

.nav-links li a.active::after {
  content: "";
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 0;
  height: 2px;
  background: var(--primary);
  border-radius: 1px;
}

.nav-extra {
  display: flex;
  align-items: center;
  gap: 10px;
}

.pill-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 7px 16px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all 0.2s ease;
}

.pill-link:hover {
  background: var(--primary-dim);
  border-color: var(--primary);
  color: var(--primary);
}

/* Hero */
.page-hero {
  background: linear-gradient(180deg, rgba(16, 21, 15, 0.88) 0%, rgba(11, 15, 12, 0.96) 100%), url('/assets/images/backpic/back-1.webp') center / cover no-repeat;
  padding: clamp(64px, 9vw, 110px) 0;
  border-bottom: 1px solid var(--border);
  position: relative;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--primary-dim);
  border: 1px solid rgba(164,230,26,0.35);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  border-radius: 999px;
  padding: 6px 18px;
  margin-bottom: 24px;
}

.hero-badge::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--primary);
}

.page-hero h1 {
  font-size: clamp(32px, 4.5vw, 40px);
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 16px;
  max-width: 700px;
}

.page-hero h1 span {
  color: var(--primary);
}

.hero-sub {
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-secondary);
  max-width: 620px;
  margin-bottom: 32px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* 事件卡片区 */
.event-section {
  background: var(--bg);
}

.event-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.event-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  transition: border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
}

.event-card:hover {
  border-color: var(--border-light);
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}

.event-thumb {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--surface-2);
}

.event-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.event-card:hover .event-thumb img {
  transform: scale(1.03);
}

.event-thumb .badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--primary-dim);
  border: 1px solid rgba(164,230,26,0.4);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  border-radius: 999px;
  padding: 3px 12px;
  backdrop-filter: blur(4px);
}

.event-body {
  padding: 20px 24px 24px;
}

.event-body h3 {
  font-size: 18px;
  font-weight: 600;
  line-height: 1.5;
  margin-bottom: 10px;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.event-body p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 16px;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.event-body .meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border-top: 1px solid var(--border);
  padding-top: 14px;
  font-size: 14px;
}

.event-body .meta time {
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
}

.news-link {
  color: var(--primary);
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.news-link:hover {
  color: var(--primary-hover);
  padding-right: 4px;
}

/* 流程步骤 */
.steps-section {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.step-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px 24px;
  position: relative;
  transition: border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
}

.step-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-card);
  transform: translateY(-4px);
}

.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: var(--primary-dim);
  color: var(--primary);
  font-size: 16px;
  font-weight: 800;
  margin-bottom: 18px;
  font-variant-numeric: tabular-nums;
}

.step-card h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 10px;
}

.step-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* 卖点统计 */
.stats-section {
  background: var(--bg);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px 24px;
  text-align: center;
  transition: border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
}

.stat-card:hover {
  border-color: var(--border-light);
  box-shadow: var(--shadow-card);
  transform: translateY(-4px);
}

.stat-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 16px;
  border-radius: 10px;
  background: var(--primary-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
}

.stat-card h3 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 8px;
}

.stat-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* FAQ */
.faq-section {
  background: var(--surface);
  border-top: 1px solid var(--border);
}

.faq-container {
  max-width: 760px;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.faq-item {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  transition: border-color 0.2s ease;
}

.faq-item.active {
  border-color: var(--border-light);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  text-align: left;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-main);
  background: transparent;
  transition: color 0.2s ease;
}

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

.faq-icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: var(--surface-2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 400;
  color: var(--text-muted);
  transition: transform 0.3s ease, background 0.3s ease, color 0.3s ease;
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
  background: var(--primary-dim);
  color: var(--primary);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}

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

.faq-answer p {
  padding: 0 24px 20px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-secondary);
}

/* CTA */
.cta-section {
  background: linear-gradient(135deg, #FF7021 0%, #FF8A45 100%);
  padding: clamp(56px, 7vw, 80px) 0;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: "";
  position: absolute;
  right: -60px;
  top: -60px;
  width: 240px;
  height: 240px;
  border: 4px solid rgba(255,255,255,0.1);
  border-radius: 30px;
  transform: rotate(45deg);
  opacity: 0.5;
}

.cta-section::after {
  content: "";
  position: absolute;
  left: -40px;
  bottom: -40px;
  width: 180px;
  height: 180px;
  border: 4px solid rgba(255,255,255,0.08);
  border-radius: 30px;
  transform: rotate(30deg);
}

.cta-inner {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 760px;
}

.cta-inner h2 {
  font-size: clamp(28px, 4vw, 36px);
  font-weight: 800;
  color: #fff;
  line-height: 1.4;
  margin-bottom: 14px;
}

.cta-inner p {
  font-size: 16px;
  color: rgba(255,255,255,0.9);
  line-height: 1.6;
  margin-bottom: 32px;
}

.cta-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

/* Footer */
.site-footer {
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding-top: clamp(48px, 6vw, 80px);
}

.footer-grid {
  display: grid;
  grid-template-columns: 3fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
}

.footer-brand .logo {
  width: auto;
  margin-bottom: 16px;
}

.footer-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 20px;
  max-width: 320px;
}

.footer-social {
  display: flex;
  gap: 10px;
}

.footer-social a {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: all 0.2s ease;
}

.footer-social a:hover {
  background: var(--primary-dim);
  border-color: var(--primary);
  color: var(--primary);
}

.footer-col h4 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 18px;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col ul li a {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.footer-col ul li a:hover {
  color: var(--primary);
}

.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--text-muted);
}

/* 响应式 */
@media (max-width: 1199px) {
  .container {
    max-width: 960px;
  }

  .event-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .event-card:last-child:nth-child(odd) {
    grid-column: span 2;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .steps-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .search-box {
    max-width: 42%;
  }
}

@media (max-width: 991px) {
  .container {
    max-width: 720px;
  }

  .header-main {
    height: 70px;
  }

  .search-box {
    max-width: 35%;
  }

  .search-box input {
    min-width: 0;
  }

  .search-box button {
    padding: 0 14px;
  }

  .nav-inner {
    flex-direction: column;
    align-items: flex-start;
    padding: 12px 0;
    gap: 12px;
  }

  .nav-links {
    width: 100%;
    overflow-x: auto;
  }

  .nav-links li a {
    height: 44px;
  }

  .nav-extra {
    width: 100%;
  }

  .event-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .event-card:last-child:nth-child(odd) {
    grid-column: span 2;
  }

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

@media (max-width: 767px) {
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }

  .header-main {
    gap: 12px;
  }

  .logo {
    width: auto;
    flex: 1;
  }

  .logo-name {
    font-size: 18px;
  }

  .search-box {
    display: none;
  }

  .header-actions .icon-btn:first-child,
  .header-actions .icon-btn:nth-child(2) {
    display: none;
  }

  .menu-toggle {
    display: inline-flex;
    width: 42px;
    height: 42px;
    border-radius: 10px;
    background: var(--surface-2);
    align-items: center;
    justify-content: center;
    color: var(--text-main);
  }

  .header-nav {
    display: none;
  }

  .header-nav.menu-open {
    display: block;
    border-top: 1px solid var(--border);
  }

  .nav-inner {
    padding: 16px 0;
  }

  .nav-links {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .nav-links li a {
    height: 46px;
    justify-content: flex-start;
    border-bottom: 1px solid var(--border);
  }

  .nav-links li a.active::after {
    display: none;
  }

  .nav-links li a.active {
    color: var(--primary);
  }

  .countdown-bar .container {
    gap: 10px;
  }

  .countdown-badge {
    font-size: 12px;
    padding: 4px 12px;
  }

  .countdown-timer {
    gap: 4px;
  }

  .timer-block {
    min-width: 44px;
    padding: 4px 6px;
  }

  .timer-num {
    font-size: 16px;
  }

  .timer-label {
    font-size: 10px;
  }

  .timer-colon {
    font-size: 16px;
  }

  .countdown-cta {
    padding: 8px 14px;
    font-size: 13px;
  }

  .page-hero {
    padding: 48px 0;
  }

  .page-hero h1 {
    font-size: 28px;
  }

  .hero-sub {
    font-size: 15px;
  }

  .hero-actions {
    flex-direction: column;
  }

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

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

  .event-card:last-child:nth-child(odd) {
    grid-column: span 1;
  }

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

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

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

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }

  .cta-actions {
    flex-direction: column;
  }

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

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

  .faq-question {
    padding: 16px 18px;
    font-size: 14px;
  }

  .faq-answer p {
    padding: 0 18px 16px;
  }
}

@media (max-width: 480px) {
  .countdown-bar .container {
    justify-content: space-between;
  }

  .countdown-cta {
    width: 100%;
    justify-content: center;
  }

  .countdown-timer {
    margin-left: 0;
  }
}

/* roulang page: category3 */
:root {
  --primary: #A4E61A;
  --primary-hover: #BEF23D;
  --primary-dim: rgba(164, 230, 26, 0.12);
  --accent: #FF7021;
  --accent-hover: #FF8A45;
  --bg: #0B0F0C;
  --surface: #141A15;
  --surface-2: #1B231D;
  --border: #263026;
  --border-light: #384137;
  --text-main: #F0F6EE;
  --text-secondary: #9CA9A0;
  --text-muted: #6B786F;
  --success: #3DDC84;
  --warning: #FFC53D;
  --error: #FF5D5D;
  --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.35);
  --shadow-hover: 0 8px 32px rgba(0, 0, 0, 0.5);
  --radius-card: 12px;
  --radius-btn: 8px;
  --radius-input: 10px;
  --radius-badge: 999px;
  --container: 1200px;
  --section-gap: clamp(56px, 7vw, 96px);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "PingFang SC", "HarmonyOS Sans SC", "Source Han Sans SC", "Microsoft YaHei", system-ui, sans-serif;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-main);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
}

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

ul,
ol {
  list-style: none;
}

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

/* ---------- 倒计时条 ---------- */
.countdown-bar {
  background: #13180F;
  border-bottom: 1px solid var(--border);
  padding: 10px 0;
  position: relative;
  z-index: 102;
}

.countdown-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

.countdown-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-main);
}

.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 1.6s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.75); }
}

.countdown-timer {
  display: flex;
  align-items: center;
  gap: 6px;
}

.time-box {
  width: 42px;
  height: 34px;
  background: #0F130E;
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.time-num {
  font-size: 18px;
  font-weight: 700;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
  letter-spacing: 2px;
  line-height: 1;
}

.time-label {
  font-size: 10px;
  color: var(--text-muted);
  line-height: 1;
  margin-top: 2px;
}

.time-sep {
  color: var(--text-muted);
  font-size: 18px;
  font-weight: 700;
}

.countdown-cta {
  background: var(--accent);
  color: #0B0F0C;
  font-size: 13px;
  font-weight: 700;
  padding: 6px 16px;
  border-radius: var(--radius-btn);
  transition: background 0.25s ease, transform 0.25s ease;
}

.countdown-cta:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
}

/* ---------- 顶部导航 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}

.header-main {
  padding: 12px 0;
}

.header-row {
  display: flex;
  align-items: center;
  gap: 24px;
}

.logo {
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  width: 200px;
}

.logo-name {
  font-size: 20px;
  font-weight: 800;
  line-height: 1.3;
  color: var(--text-main);
  white-space: nowrap;
}

.logo-highlight {
  color: var(--primary);
}

.logo-bar {
  width: 100%;
  height: 4px;
  background: var(--primary);
  border-radius: var(--radius-badge);
  margin-top: 2px;
}

.search-box {
  flex: 1;
  display: flex;
  align-items: center;
  background: var(--surface-2);
  border-radius: 10px;
  border: 1px solid var(--border);
  padding: 0 8px 0 14px;
  height: 44px;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
  max-width: 520px;
  margin: 0 auto;
}

.search-box:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(164, 230, 26, 0.15);
}

.search-icon {
  color: var(--text-muted);
  flex-shrink: 0;
}

.search-box input {
  flex: 1;
  height: 100%;
  padding: 0 12px;
  font-size: 14px;
  color: var(--text-main);
  background: transparent;
}

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

.search-btn {
  background: var(--primary);
  color: #0B0F0C;
  font-size: 14px;
  font-weight: 700;
  padding: 8px 20px;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.25s ease, transform 0.2s ease;
}

.search-btn:hover {
  background: var(--primary-hover);
  transform: translateY(-1px);
}

.header-icons {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.icon-link {
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  transition: color 0.25s ease, border-color 0.25s ease, background 0.25s ease;
}

.icon-link:hover {
  color: var(--text-main);
  border-color: var(--border-light);
  background: var(--surface-2);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  border: 1px solid var(--border);
  cursor: pointer;
}

.hamburger span {
  width: 18px;
  height: 2px;
  background: var(--text-main);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.hamburger.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* 第二行导航 */
.nav-row {
  border-top: 1px solid var(--border);
}

.nav-row .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 52px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-links a {
  display: block;
  padding: 10px 18px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: 6px;
  transition: color 0.25s ease, background 0.25s ease;
  position: relative;
}

.nav-links a:hover {
  color: var(--text-main);
  background: var(--surface-2);
}

.nav-links a.active {
  color: var(--text-main);
  font-weight: 600;
}

.nav-links a.active::after {
  content: '';
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 0;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
}

.nav-tags {
  display: flex;
  align-items: center;
  gap: 10px;
}

.tag-link {
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  background: var(--primary-dim);
  padding: 6px 16px;
  border-radius: 999px;
  transition: background 0.25s ease, color 0.25s ease, transform 0.2s ease;
}

.tag-link:hover {
  background: var(--primary);
  color: #0B0F0C;
  transform: translateY(-1px);
}

/* ---------- 页面 Hero ---------- */
.page-hero {
  background: linear-gradient(180deg, #10150F 0%, var(--bg) 100%);
  position: relative;
  overflow: hidden;
  padding: clamp(48px, 7vw, 88px) 0;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  opacity: 0.15;
  z-index: 0;
}

.page-hero .container {
  position: relative;
  z-index: 1;
}

.hero-content {
  max-width: 720px;
}

.hero-content h1 {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: 1px;
}

.hero-content p {
  margin-top: 18px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-secondary);
}

.hero-actions {
  margin-top: 32px;
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  font-weight: 700;
  height: 48px;
  padding: 0 32px;
  border-radius: var(--radius-btn);
  cursor: pointer;
  transition: background 0.25s ease, color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.btn-primary {
  background: var(--accent);
  color: #0B0F0C;
  box-shadow: 0 0 24px rgba(255, 112, 33, 0.25);
}

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 28px rgba(255, 112, 33, 0.35);
}

.btn-primary:active {
  transform: translateY(0);
}

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

.btn-ghost:hover {
  background: var(--primary-dim);
  transform: translateY(-2px);
}

.btn-white {
  background: #fff;
  color: #0B0F0C;
}

.btn-white:hover {
  background: #0B0F0C;
  color: var(--accent);
}

.btn-outline-light {
  border: 1px solid rgba(255, 255, 255, 0.7);
  color: #fff;
  background: transparent;
}

.btn-outline-light:hover {
  background: #fff;
  color: var(--accent);
}

/* ---------- 通用区块 ---------- */
.section {
  padding: var(--section-gap) 0;
}

.section.surface {
  background: var(--surface);
}

.section.dark {
  background: var(--bg);
}

.section-header {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 40px;
}

.section-bar {
  width: 4px;
  height: 24px;
  background: var(--primary);
  border-radius: 2px;
  flex-shrink: 0;
  margin-top: 4px;
}

.section-title {
  font-size: clamp(26px, 3vw, 32px);
  font-weight: 700;
  line-height: 1.35;
}

.section-sub {
  display: block;
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 8px;
  letter-spacing: 2px;
  text-transform: uppercase;
}

.section-more {
  margin-left: auto;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: gap 0.25s ease;
}

.section-more:hover {
  gap: 8px;
}

/* ---------- 会员权益卖点 ---------- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 24px;
  transition: border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
}

.feature-card:hover {
  border-color: var(--border-light);
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}

.feature-icon {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: var(--primary-dim);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  transition: background 0.25s ease, color 0.25s ease;
}

.feature-card:hover .feature-icon {
  background: var(--primary);
  color: #0B0F0C;
}

.feature-title {
  font-size: 18px;
  font-weight: 600;
  line-height: 1.5;
  margin-top: 18px;
}

.feature-desc {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-top: 8px;
}

/* ---------- 适用场景 ---------- */
.scenario-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.scenario-image {
  border-radius: 16px;
  overflow: hidden;
}

.scenario-image img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
}

.scenario-list {
  display: grid;
  gap: 24px;
}

.scenario-item {
  display: flex;
  gap: 16px;
  border-left: 2px solid var(--border);
  padding-left: 20px;
  transition: border-color 0.25s ease;
}

.scenario-item:hover {
  border-color: var(--primary);
}

.scenario-num {
  font-size: 13px;
  font-weight: 800;
  color: var(--primary);
  font-variant-numeric: tabular-nums;
  flex-shrink: 0;
}

.scenario-item h3 {
  font-size: 18px;
  font-weight: 600;
  line-height: 1.5;
}

.scenario-item p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-top: 4px;
}

/* ---------- 会员方案 ---------- */
.plans-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.plan-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 32px 28px;
  transition: border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
  display: flex;
  flex-direction: column;
}

.plan-card:hover {
  border-color: var(--border-light);
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}

.plan-card.recommended {
  border-color: var(--primary);
  box-shadow: 0 0 0 1px var(--primary), var(--shadow-card);
}

.plan-name {
  font-size: 18px;
  font-weight: 700;
}

.plan-tag {
  font-size: 12px;
  font-weight: 600;
  color: var(--primary);
  background: var(--primary-dim);
  border-radius: 999px;
  padding: 4px 12px;
  display: inline-block;
  align-self: flex-start;
  margin-top: 8px;
}

.plan-price {
  font-size: 32px;
  font-weight: 800;
  line-height: 1.2;
  margin-top: 20px;
  font-variant-numeric: tabular-nums;
}

.plan-price span {
  font-size: 14px;
  font-weight: 400;
  color: var(--text-muted);
  margin-left: 4px;
}

.plan-features {
  margin-top: 24px;
  display: grid;
  gap: 10px;
  flex: 1;
}

.plan-features li {
  font-size: 14px;
  color: var(--text-secondary);
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.plan-features li::before {
  content: '✓';
  color: var(--primary);
  font-weight: 700;
  flex-shrink: 0;
}

.plan-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 44px;
  border-radius: var(--radius-btn);
  font-size: 14px;
  font-weight: 700;
  margin-top: 28px;
  transition: background 0.25s ease, color 0.25s ease, border-color 0.25s ease, transform 0.2s ease;
}

.plan-card:not(.recommended) .plan-btn {
  border: 1px solid var(--primary);
  color: var(--primary);
}

.plan-card:not(.recommended) .plan-btn:hover {
  background: var(--primary-dim);
  transform: translateY(-2px);
}

.plan-card.recommended .plan-btn {
  background: var(--accent);
  color: #0B0F0C;
  box-shadow: 0 0 20px rgba(255, 112, 33, 0.25);
}

.plan-card.recommended .plan-btn:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
}

/* ---------- 开通流程 ---------- */
.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  counter-reset: step;
}

.step {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 28px 24px;
  text-align: center;
  transition: border-color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
}

.step:hover {
  border-color: var(--border-light);
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.step-num {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--primary-dim);
  color: var(--primary);
  font-size: 16px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
}

.step h3 {
  font-size: 16px;
  font-weight: 600;
}

.step p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-top: 6px;
}

/* ---------- 平台保障 ---------- */
.trust-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.trust-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 24px;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  transition: border-color 0.25s ease, transform 0.25s ease;
}

.trust-item:hover {
  border-color: var(--border-light);
  transform: translateY(-4px);
}

.trust-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: var(--primary-dim);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.trust-item h3 {
  font-size: 16px;
  font-weight: 600;
}

.trust-item p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-top: 4px;
}

/* ---------- FAQ ---------- */
.faq-list {
  max-width: 760px;
  margin: 0 auto;
  display: grid;
  gap: 10px;
}

.faq-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  transition: border-color 0.25s ease;
}

.faq-item.active {
  border-color: var(--border-light);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 22px;
  cursor: pointer;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
}

.faq-question .faq-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  position: relative;
  transition: transform 0.3s ease;
}

.faq-question .faq-icon::before,
.faq-question .faq-icon::after {
  content: '';
  position: absolute;
  background: var(--text-secondary);
  border-radius: 2px;
  transition: background 0.3s ease;
}

.faq-question .faq-icon::before {
  width: 14px;
  height: 2px;
  top: 9px;
  left: 3px;
}

.faq-question .faq-icon::after {
  width: 2px;
  height: 14px;
  top: 3px;
  left: 9px;
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

.faq-item.active .faq-icon::before,
.faq-item.active .faq-icon::after {
  background: var(--primary);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}

.faq-answer-inner {
  padding: 0 22px 18px;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.8;
}

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

/* ---------- CTA ---------- */
.cta-section {
  background: linear-gradient(135deg, #FF7021 0%, #FF8A45 100%);
  padding: clamp(48px, 7vw, 80px) 0;
  position: relative;
  overflow: hidden;
}

.cta-section::after {
  content: '';
  position: absolute;
  right: -60px;
  top: 50%;
  width: 240px;
  height: 240px;
  border: 2px solid rgba(255, 255, 255, 0.08);
  border-radius: 60px;
  transform: translateY(-50%) rotate(22deg);
  pointer-events: none;
}

.cta-content {
  position: relative;
  z-index: 1;
  max-width: 720px;
}

.cta-title {
  font-size: clamp(28px, 4vw, 38px);
  font-weight: 800;
  line-height: 1.3;
  color: #fff;
}

.cta-desc {
  margin-top: 12px;
  font-size: 16px;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.85);
}

.cta-actions {
  margin-top: 28px;
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

/* ---------- 页脚 ---------- */
.site-footer {
  background: var(--surface);
  padding-top: clamp(48px, 6vw, 80px);
}

.footer-grid {
  display: grid;
  grid-template-columns: 3fr 1fr 1fr 1fr;
  gap: 40px;
}

.footer-brand .logo {
  width: auto;
}

.footer-desc {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-top: 14px;
  max-width: 300px;
}

.footer-social {
  display: flex;
  gap: 10px;
  margin-top: 20px;
}

.footer-social a {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: color 0.25s ease, border-color 0.25s ease, background 0.25s ease;
}

.footer-social a:hover {
  color: var(--primary);
  border-color: var(--primary);
  background: var(--primary-dim);
}

.footer-col h4 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 14px;
}

.footer-col ul {
  display: grid;
  gap: 8px;
}

.footer-col a {
  font-size: 13px;
  color: var(--text-secondary);
  transition: color 0.25s ease;
}

.footer-col a:hover {
  color: var(--primary);
}

.footer-bottom {
  margin-top: 48px;
  border-top: 1px solid var(--border);
  padding: 18px 0;
  text-align: center;
  font-size: 12px;
  color: var(--text-muted);
}

/* ---------- 响应式 ---------- */
@media (max-width: 1199px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .process-steps {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 991px) {
  .header-row {
    gap: 14px;
  }

  .logo {
    width: auto;
  }

  .search-box {
    flex: 1;
    min-width: 0;
  }

  .plans-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin: 0 auto;
  }

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

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

@media (max-width: 767px) {
  .container {
    padding: 0 16px;
  }

  /* 倒计时 */
  .countdown-inner {
    gap: 10px;
    justify-content: space-between;
  }

  .countdown-label {
    font-size: 12px;
  }

  .time-box {
    width: 32px;
    height: 28px;
  }

  .time-num {
    font-size: 14px;
  }

  .countdown-cta {
    font-size: 12px;
    padding: 5px 12px;
  }

  /* 导航 */
  .header-main {
    padding: 10px 0;
  }

  .header-row {
    gap: 12px;
  }

  .logo-name {
    font-size: 17px;
  }

  .search-box {
    display: none;
  }

  .header-icons {
    display: none;
  }

  .hamburger {
    display: flex;
    margin-left: auto;
  }

  .nav-row {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg);
    z-index: 99;
    padding: 80px 24px 24px;
    flex-direction: column;
    overflow-y: auto;
  }

  .nav-row.open {
    display: block;
  }

  .nav-row .container {
    flex-direction: column;
    align-items: stretch;
    gap: 24px;
    min-height: auto;
  }

  .nav-links {
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
  }

  .nav-links a {
    padding: 14px 16px;
    font-size: 16px;
    text-align: center;
  }

  .nav-links a.active::after {
    display: none;
  }

  .nav-tags {
    justify-content: center;
  }

  /* Hero */
  .hero-actions .btn {
    width: 100%;
  }

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

  /* 场景 */
  .scenario-image img {
    aspect-ratio: 16/9;
  }

  /* 流程 */
  .process-steps {
    grid-template-columns: 1fr;
  }

  /* 保障 */
  .trust-item {
    padding: 18px;
  }

  /* FAQ */
  .faq-question {
    padding: 16px;
    font-size: 14px;
  }

  .faq-answer-inner {
    padding: 0 16px 16px;
    font-size: 14px;
  }

  /* CTA */
  .cta-actions .btn {
    width: 100%;
  }

  .cta-actions .btn-outline-light {
    width: calc(50% - 7px);
  }

  /* 页脚 */
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

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

@media (max-width: 520px) {
  .hero-content h1 {
    font-size: 26px;
  }

  .hero-actions .btn {
    padding: 0 20px;
  }

  .section-header {
    margin-bottom: 28px;
  }

  .cta-actions {
    gap: 10px;
  }

  .cta-actions .btn-outline-light {
    width: calc(50% - 5px);
  }
}