/* roulang page: index */
:root {
  --bg-base: #050A14;
  --bg-elev: #090F1E;
  --ink-strong: #F0F6FF;
  --ink-body: #A6B6D4;
  --ink-mute: #60708F;
  --brand-primary: #2693FF;
  --brand-cyan: #52E1E0;
  --brand-red: #FF5A67;
  --glass-bg: rgba(255,255,255,0.06);
  --glass-border: rgba(255,255,255,0.12);
  --glow-primary: 0 0 30px rgba(38,147,255,0.35);
  --glow-cyan: 0 0 24px rgba(82,225,224,0.3);
  --radius-card: 18px;
  --radius-btn: 10px;
  --radius-pill: 999px;
  --font-system: -apple-system, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
}

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

body {
  background: var(--bg-base);
  color: var(--ink-body);
  font-family: var(--font-system);
  line-height: 1.78;
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--ink-body); text-decoration: none; transition: color .2s ease, border-color .2s ease, background .2s ease, box-shadow .2s ease, transform .2s ease; }
a:hover { color: var(--brand-primary); }
h1, h2, h3, h4, h5, h6 { color: var(--ink-strong); line-height: 1.3; font-weight: 700; }
p { margin: 0 0 16px; }
input, button, select, textarea { font-family: inherit; }
ul, ol { margin: 0 0 16px; padding-left: 20px; }

.section { padding: clamp(60px, 7vw, 96px) 0; position: relative; }
.grid-container { max-width: 1200px; }

/*--------- 按钮 ---------*/
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 44px;
  padding: 0 26px;
  border-radius: var(--radius-btn);
  font-size: 15px;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all .25s ease;
  line-height: 1;
  min-width: 130px;
  text-align: center;
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, #2693FF, #4FC3FF);
  color: #fff;
  box-shadow: var(--glow-primary);
}
.btn-primary:hover {
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 0 36px rgba(38,147,255,0.55);
}
.btn-ghost {
  background: transparent;
  border-color: rgba(255,255,255,0.2);
  color: var(--ink-strong);
}
.btn-ghost:hover {
  border-color: var(--brand-primary);
  background: rgba(38,147,255,0.1);
  color: var(--brand-primary);
}
.btn-sm { height: 38px; padding: 0 18px; font-size: 14px; min-width: auto; }
.btn-lg { height: 52px; padding: 0 34px; font-size: 16px; min-width: 160px; }

/*--------- 导航 ---------*/
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: 64px;
  background: rgba(5,10,20,0.72);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  gap: 24px;
}
.header-left {
  display: flex;
  align-items: center;
  gap: 32px;
  flex: 1;
  min-width: 0;
}
.header-right {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
}
.brand-logo {
  font-size: 22px;
  font-weight: 700;
  color: var(--ink-strong);
  letter-spacing: -0.5px;
  white-space: nowrap;
}
.brand-logo .logo-main { color: var(--brand-primary); }
.main-nav { display: flex; gap: 28px; }
.nav-link {
  font-size: 14px;
  color: var(--ink-body);
  position: relative;
  padding: 6px 0;
  transition: color .2s ease;
}
.nav-link:hover { color: var(--ink-strong); }
.nav-link.active { color: var(--ink-strong); }
.nav-link.active::after {
  content: '';
  position: absolute;
  left: 0; bottom: -2px;
  width: 100%; height: 2px;
  background: var(--brand-primary);
  border-radius: 1px;
}
.header-search {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 999px;
  padding: 0 14px;
  height: 36px;
  transition: border-color .2s ease;
}
.header-search:focus-within { border-color: rgba(38,147,255,0.5); }
.header-search i { color: var(--ink-mute); font-size: 14px; }
.header-search input {
  border: none;
  background: transparent;
  color: var(--ink-strong);
  font-size: 13px;
  width: 120px;
  outline: none;
}
.header-search input::placeholder { color: var(--ink-mute); }
.hamburger {
  display: none;
  width: 40px;
  height: 40px;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 8px;
  background: transparent;
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  transition: border-color .2s ease;
}
.hamburger:hover { border-color: rgba(38,147,255,0.4); }
.hamburger span { width: 18px; height: 2px; background: var(--ink-strong); border-radius: 2px; transition: all .25s 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); }

/* 移动端浮层菜单 */
.mobile-menu {
  display: block;
  position: fixed;
  top: 64px;
  left: 0; right: 0;
  background: rgba(5,10,20,0.96);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  padding: 24px;
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-12px);
  transition: all .25s ease;
}
.mobile-menu.open { opacity: 1; visibility: visible; transform: translateY(0); }
.mobile-menu .mobile-link {
  display: block;
  padding: 12px 0;
  font-size: 16px;
  color: var(--ink-body);
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.mobile-menu .mobile-link:hover { color: var(--ink-strong); }
.mobile-menu .mobile-link.active { color: var(--brand-primary); }
.mobile-menu .btn { margin-top: 20px; width: 100%; }
.mobile-menu .mobile-search { margin-top: 16px; width: 100%; }

/*--------- Hero ---------*/
.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: calc(64px + 40px) 0 60px;
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(ellipse at 15% 50%, rgba(38,147,255,0.22), transparent 60%),
    linear-gradient(180deg, rgba(5,10,20,0.72), rgba(5,10,20,0.96)),
    url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
}
.hero-grid { position: relative; z-index: 2; align-items: center; }
.hero-content { padding-right: 20px; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  border: 1px solid rgba(38,147,255,0.4);
  color: var(--brand-cyan);
  font-size: 13px;
  font-weight: 500;
  padding: 5px 16px;
  border-radius: 999px;
  margin-bottom: 20px;
  background: rgba(38,147,255,0.08);
  letter-spacing: 1px;
}
.hero-title {
  font-size: 44px;
  font-weight: 700;
  color: var(--ink-strong);
  margin: 0 0 16px;
  line-height: 1.3;
  text-shadow: 0 2px 20px rgba(38,147,255,0.2);
}
.hero-title .highlight { color: var(--brand-primary); }
.hero-subtitle {
  font-size: 17px;
  color: var(--ink-body);
  margin: 0 0 32px;
  max-width: 420px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

/* 直播封面卡 */
.live-card {
  border-radius: 20px;
  overflow: hidden;
  position: relative;
  aspect-ratio: 4 / 3;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  box-shadow: 0 8px 24px rgba(0,0,0,0.25), inset 0 1px 0 rgba(255,255,255,0.08);
  max-width: 480px;
  margin-left: auto;
}
.live-card img { width: 100%; height: 100%; object-fit: cover; }
.live-badge {
  position: absolute;
  top: 16px;
  left: 16px;
  background: rgba(255,90,103,0.92);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 999px;
  z-index: 3;
  box-shadow: 0 2px 12px rgba(255,90,103,0.35);
}
.live-card-overlay {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 20px;
  background: linear-gradient(180deg, transparent, rgba(5,10,20,0.9));
  z-index: 2;
}
.live-card-overlay h3 { font-size: 18px; font-weight: 600; margin-bottom: 4px; }
.live-card-overlay p { font-size: 13px; color: var(--ink-body); margin: 0; }

/*--------- 直播预告流 ---------*/
.flow-section { background: var(--bg-base); }
.flow-container { max-width: 860px; margin: 0 auto; }
.flow-item { position: relative; z-index: 2; }
.flow-line {
  width: 2px;
  height: 44px;
  background: linear-gradient(to bottom, rgba(38,147,255,0.15), rgba(38,147,255,0.5), rgba(38,147,255,0.15));
  border-left: 2px dashed rgba(38,147,255,0.25);
  margin: 18px auto;
  position: relative;
}
.flow-line::after {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--brand-primary);
  position: absolute;
  left: -5px;
  top: 50%;
  box-shadow: 0 0 10px rgba(38,147,255,0.6);
}

/* ① 直播封面 */
.flow-cover {
  position: relative;
  height: 260px;
  border-radius: 20px;
  overflow: hidden;
  background-size: cover;
  background-position: center;
  border: 1px solid rgba(255,255,255,0.1);
  display: flex;
  align-items: flex-end;
}
.flow-cover-shade {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(5,10,20,0.25) 0%, rgba(5,10,20,0.55) 50%, rgba(5,10,20,0.94) 100%);
}
.flow-cover-content { position: relative; z-index: 2; padding: 28px; }
.cover-tag {
  display: inline-block;
  background: rgba(38,147,255,0.25);
  color: var(--brand-cyan);
  font-size: 12px;
  font-weight: 600;
  padding: 3px 12px;
  border-radius: 999px;
  margin-bottom: 12px;
  letter-spacing: 1px;
}
.flow-cover-content h3 { font-size: 22px; font-weight: 700; margin-bottom: 8px; }
.cover-meta { display: flex; gap: 24px; font-size: 13px; color: var(--ink-body); flex-wrap: wrap; }
.cover-meta i { margin-right: 5px; color: var(--brand-primary); }

/* ② 倒计时 */
.countdown-wrap {
  display: flex;
  align-items: stretch;
  gap: 20px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 18px;
  padding: 28px;
}
.countdown-label {
  writing-mode: vertical-rl;
  text-orientation: mixed;
  letter-spacing: 6px;
  font-size: 13px;
  color: var(--ink-mute);
  border-left: 1px solid rgba(255,255,255,0.1);
  padding-left: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.countdown-box {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  flex: 1;
}
.countdown-cell {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 12px;
  padding: 14px 0;
  text-align: center;
  transition: border-color .2s ease;
}
.countdown-cell .num {
  display: block;
  font-size: 42px;
  font-weight: 700;
  color: var(--brand-cyan);
  line-height: 1.2;
  font-variant-numeric: tabular-nums;
  text-shadow: var(--glow-cyan);
}
.countdown-cell .unit {
  display: block;
  font-size: 12px;
  color: var(--ink-mute);
  margin-top: 6px;
}

/* ③ 看点列表 */
.points-list { padding: 8px 0; }
.point-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px 0;
  transition: opacity .2s ease;
}
.point-num {
  width: 28px;
  height: 28px;
  border: 1px solid var(--brand-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 600;
  color: var(--brand-primary);
  flex-shrink: 0;
  transition: all .2s ease;
}
.point-item:hover .point-num { background: var(--brand-primary); color: #fff; }
.point-item p { margin: 0; font-size: 14px; color: var(--ink-body); transition: color .2s ease; }
.point-item:hover p { color: var(--ink-strong); }

/* ④ 订阅表单 */
.subscribe-wrap {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 18px;
  padding: 28px;
}
.subscribe-form { display: flex; gap: 12px; max-width: 520px; position: relative; align-items: center; flex-wrap: wrap; }
.subscribe-form input {
  flex: 1;
  min-width: 220px;
  height: 44px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 8px;
  color: var(--ink-strong);
  padding: 0 16px;
  font-size: 14px;
  transition: border-color .2s ease, box-shadow .2s ease;
}
.subscribe-form input:focus {
  outline: none;
  border-color: var(--brand-primary);
  box-shadow: 0 0 12px rgba(38,147,255,0.25);
  background: rgba(38,147,255,0.06);
}
.subscribe-form input::placeholder { color: var(--ink-mute); }
.subscribe-form .btn { flex-shrink: 0; }
.form-tip {
  flex-basis: 100%;
  font-size: 12px;
  color: var(--brand-cyan);
  padding-top: 8px;
}

/* ⑤ 动作入口 */
.flow-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
}
.live-status-dot {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--ink-mute);
  margin-right: 8px;
}
.live-status-dot::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--brand-cyan);
  box-shadow: 0 0 8px rgba(82,225,224,0.6);
  animation: pulse-dot 2s infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}

/*--------- 最新动态 ---------*/
.news-section { background: var(--bg-elev); }
.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 36px;
  flex-wrap: wrap;
  gap: 16px;
}
.section-title {
  display: flex;
  align-items: center;
  gap: 14px;
}
.section-title::before {
  content: '';
  width: 4px;
  height: 26px;
  border-radius: 2px;
  background: var(--brand-primary);
  flex-shrink: 0;
}
.section-title h2 { font-size: 28px; margin: 0; }
.view-all { font-size: 14px; color: var(--brand-primary); }

.news-list { display: flex; flex-direction: column; gap: 16px; }
.news-card {
  display: flex;
  gap: 20px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 16px;
  padding: 20px;
  transition: all .25s ease;
  align-items: center;
}
.news-card:hover {
  transform: translateY(-4px);
  border-color: rgba(38,147,255,0.5);
  background: rgba(255,255,255,0.06);
  box-shadow: 0 10px 28px rgba(0,0,0,0.3), 0 0 20px rgba(38,147,255,0.15);
}
.news-thumb {
  width: 96px;
  height: 72px;
  flex-shrink: 0;
  border-radius: 8px;
  overflow: hidden;
  background: var(--bg-base);
}
.news-thumb img { width: 100%; height: 100%; object-fit: cover; }
.news-info { flex: 1; min-width: 0; }
.news-info h3 {
  font-size: 16px;
  font-weight: 600;
  margin: 0 0 6px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: color .2s ease;
}
.news-card:hover .news-info h3 { color: var(--brand-primary); }
.news-info p {
  font-size: 14px;
  color: var(--ink-mute);
  margin: 0 0 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 12px;
  color: var(--ink-mute);
  flex-wrap: wrap;
}
.news-cat {
  display: inline-block;
  background: rgba(38,147,255,0.15);
  color: var(--brand-primary);
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 500;
}
.news-read { margin-left: auto; color: var(--brand-cyan); font-size: 13px; }

/* 空状态 */
.news-empty {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  padding: 48px 24px;
  text-align: center;
  color: var(--ink-mute);
}
.news-empty i { font-size: 36px; margin-bottom: 12px; color: var(--ink-mute); opacity: .6; }
.news-empty p { margin: 0; }

/*--------- 能力区 ---------*/
.capability-section { background: var(--bg-base); }
.capability-main {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  min-height: 320px;
  height: 100%;
  display: flex;
  align-items: flex-end;
  background: url('/assets/images/backpic/back-2.webp') center / cover no-repeat;
  border: 1px solid rgba(255,255,255,0.08);
}
.capability-main::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(5,10,20,0.2) 0%, rgba(5,10,20,0.92) 100%);
}
.capability-overlay { position: relative; z-index: 2; padding: 28px; }
.capability-overlay h3 { font-size: 20px; margin-bottom: 8px; }
.capability-overlay p { margin: 0 0 8px; color: var(--ink-body); font-size: 14px; line-height: 1.7; }
.capability-side { display: flex; flex-direction: column; gap: 20px; height: 100%; }
.capability-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 16px;
  padding: 24px;
  flex: 1;
  transition: all .25s ease;
}
.capability-card:hover {
  border-color: rgba(38,147,255,0.4);
  box-shadow: 0 8px 24px rgba(0,0,0,0.25);
  transform: translateY(-2px);
  background: rgba(38,147,255,0.05);
}
.capability-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(38,147,255,0.15);
  color: var(--brand-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  margin-bottom: 14px;
}
.capability-card h4 { font-size: 16px; font-weight: 600; margin-bottom: 6px; }
.capability-card p { font-size: 13px; color: var(--ink-mute); margin: 0; }

/*--------- FAQ ---------*/
.faq-section { background: var(--bg-elev); }
.faq-list { max-width: 860px; margin: 0 auto; }
.faq-item {
  background: rgba(255,255,255,0.02);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 12px;
  margin-bottom: 12px;
  overflow: hidden;
  transition: background .2s ease, border-color .2s ease;
}
.faq-item.active {
  background: rgba(255,255,255,0.08);
  border-left: 3px solid var(--brand-primary);
  border-color: rgba(38,147,255,0.4);
}
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 22px;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink-strong);
  cursor: pointer;
  user-select: none;
  transition: color .2s ease;
}
.faq-question:hover { color: var(--brand-primary); }
.faq-icon {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--brand-primary);
  font-size: 20px;
  line-height: 1;
  transition: transform .2s ease;
  flex-shrink: 0;
  font-weight: 400;
}
.faq-item.active .faq-icon { transform: rotate(45deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  padding: 0 22px;
  color: var(--ink-body);
  font-size: 14px;
  line-height: 1.7;
  transition: max-height .3s ease, padding .3s ease;
}
.faq-item.active .faq-answer { max-height: 400px; padding-bottom: 18px; }

/*--------- CTA ---------*/
.cta-section {
  position: relative;
  text-align: center;
  padding: clamp(80px, 10vw, 120px) 0;
  overflow: hidden;
  background: var(--bg-base);
}
.cta-ring {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 520px;
  height: 520px;
  border: 1px solid rgba(38,147,255,0.25);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
  box-shadow: 0 0 80px rgba(38,147,255,0.08);
}
.cta-ring::after {
  content: '';
  position: absolute;
  left: 50%;
  top: 50%;
  width: 340px;
  height: 340px;
  border: 1px solid rgba(38,147,255,0.15);
  border-radius: 50%;
  transform: translate(-50%, -50%);
}
.cta-section h2 { font-size: 28px; margin-bottom: 24px; position: relative; z-index: 2; }
.cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; position: relative; z-index: 2; }

/*--------- 页脚 ---------*/
.site-footer {
  background: var(--bg-elev);
  border-top: 1px solid rgba(255,255,255,0.06);
  padding-top: 56px;
}
.footer-grid { padding-bottom: 36px; }
.footer-brand p { color: var(--ink-mute); font-size: 14px; margin: 12px 0 0; }
.footer-col h4 { font-size: 15px; font-weight: 600; margin-bottom: 14px; }
.footer-col a {
  display: block;
  font-size: 14px;
  color: var(--ink-body);
  padding: 4px 0;
}
.footer-col a:hover { color: var(--brand-primary); }
.footer-col p { font-size: 13px; color: var(--ink-mute); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 18px 0;
}
.footer-bottom p { font-size: 12px; color: var(--ink-mute); margin: 0; text-align: center; }

/*--------- 响应式 ---------*/
@media (max-width: 1024px) {
  .main-nav { gap: 20px; }
  .header-search input { width: 90px; }
  .hero-title { font-size: 36px; }
  .countdown-cell .num { font-size: 34px; }
}

@media (max-width: 640px) {
  .main-nav { display: none; }
  .header-search { display: none; }
  .hamburger { display: flex; }
  .header-left { gap: 16px; }

  .hero-section { padding-top: calc(64px + 32px); }
  .hero-title { font-size: 32px; }
  .hero-subtitle { font-size: 15px; }
  .hero-actions .btn { width: calc(50% - 8px); min-width: 0; }
  .hero-actions { gap: 16px; }
  .live-card { margin: 0 auto; max-width: 100%; }

  .countdown-wrap { flex-direction: column; gap: 16px; padding: 20px; }
  .countdown-label {
    writing-mode: horizontal-tb;
    border-left: none;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    padding-left: 0;
    padding-bottom: 8px;
    justify-content: center;
    letter-spacing: 4px;
  }
  .countdown-box { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .countdown-cell .num { font-size: 32px; }

  .flow-cover { height: 200px; }
  .flow-cover-content { padding: 20px; }
  .flow-cover-content h3 { font-size: 18px; }
  .cover-meta { flex-direction: column; gap: 6px; }

  .subscribe-form { flex-direction: column; align-items: stretch; }
  .subscribe-form input { width: 100%; min-width: 0; }
  .subscribe-form .btn { width: 100%; }

  .section-title h2 { font-size: 22px; }
  .news-card { padding: 14px; gap: 14px; }
  .news-thumb { width: 88px; height: 66px; }
  .news-info h3 { font-size: 15px; }
  .news-info p { font-size: 13px; }
  .news-meta { gap: 8px; }
  .news-read { display: none; }

  .capability-main { min-height: 240px; }
  .capability-overlay { padding: 20px; }

  .cta-section h2 { font-size: 22px; }
  .cta-actions .btn { width: calc(50% - 8px); min-width: 0; }

  .footer-grid { gap: 24px; }
  .footer-col h4 { margin-top: 8px; }
}

/* roulang page: category1 */
/* ===== 设计变量 ===== */
    :root {
      --bg-base: #050A14;
      --bg-elev: #090F1E;
      --ink-strong: #F0F6FF;
      --ink-body: #A6B6D4;
      --ink-mute: #60708F;
      --brand-primary: #2693FF;
      --brand-cyan: #52E1E0;
      --brand-red: #FF5A67;
      --glass-bg: rgba(255, 255, 255, 0.06);
      --glass-border: rgba(255, 255, 255, 0.12);
      --glow-primary: 0 0 30px rgba(38, 147, 255, 0.35);
      --glow-cyan: 0 0 24px rgba(82, 225, 224, 0.3);
      --radius-card: 18px;
      --radius-btn: 10px;
      --radius-pill: 999px;
      --transition: all .25s ease;
    }

    /* ===== Reset & Base ===== */
    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; }
    body {
      font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
      background: var(--bg-base);
      color: var(--ink-body);
      line-height: 1.78;
      font-size: 15px;
      -webkit-font-smoothing: antialiased;
    }
    img { max-width: 100%; display: block; }
    a { text-decoration: none; color: inherit; transition: var(--transition); }
    button, input { font-family: inherit; }
    .grid-container { max-width: 1200px; padding-left: 24px; padding-right: 24px; }

    /* ===== 按钮系统 ===== */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 44px;
      padding: 0 24px;
      border-radius: var(--radius-btn);
      font-size: 14px;
      font-weight: 600;
      border: 1px solid transparent;
      cursor: pointer;
      transition: var(--transition);
      white-space: nowrap;
    }
    .btn-primary {
      background: linear-gradient(135deg, #2693FF, #4FC3FF);
      color: #fff;
      box-shadow: var(--glow-primary);
    }
    .btn-primary:hover {
      box-shadow: 0 0 36px rgba(38, 147, 255, 0.55);
      transform: translateY(-2px);
    }
    .btn-primary:active { transform: translateY(0); box-shadow: 0 0 20px rgba(38, 147, 255, 0.35); }
    .btn-secondary {
      background: transparent;
      border: 1px solid rgba(255, 255, 255, 0.2);
      color: var(--ink-strong);
    }
    .btn-secondary:hover {
      border-color: var(--brand-primary);
      background: rgba(38, 147, 255, 0.1);
    }
    .btn-secondary:active { background: rgba(38, 147, 255, 0.2); }
    .btn-sm { min-height: 38px; padding: 0 20px; font-size: 13px; }
    .btn:focus-visible, .nav-link:focus-visible, .faq-question:focus-visible {
      outline: 2px solid var(--brand-primary);
      outline-offset: 2px;
    }

    /* ===== 顶部导航 ===== */
    .site-header {
      position: fixed;
      top: 0; left: 0; right: 0;
      height: 64px;
      background: rgba(5, 10, 20, 0.72);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      z-index: 100;
    }
    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 64px;
    }
    .header-left { display: flex; align-items: center; gap: 36px; }
    .brand-logo {
      display: inline-flex;
      align-items: center;
      font-size: 22px;
      font-weight: 700;
      color: var(--ink-strong);
      letter-spacing: 0.5px;
    }
    .logo-main { color: var(--brand-primary); font-size: 26px; margin-right: 2px; }
    .main-nav { display: flex; gap: 28px; }
    .nav-link {
      font-size: 14px;
      font-weight: 500;
      color: var(--ink-body);
      padding: 20px 0 18px;
      border-bottom: 2px solid transparent;
      transition: var(--transition);
    }
    .nav-link:hover { color: var(--ink-strong); }
    .nav-link.active {
      color: var(--ink-strong);
      border-bottom-color: var(--brand-primary);
    }
    .header-right { display: flex; align-items: center; gap: 14px; }
    .nav-toggle {
      display: none;
      background: none;
      border: 0;
      color: var(--ink-strong);
      font-size: 20px;
      cursor: pointer;
      padding: 8px;
    }

    /* ===== 分屏 Hero（分类页窄版） ===== */
    .page-hero {
      position: relative;
      padding: 140px 0 80px;
      background: url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
    }
    .page-hero::before {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, rgba(5, 10, 20, 0.85) 0%, rgba(5, 10, 20, 0.7) 50%, rgba(5, 10, 20, 0.92) 100%);
    }
    .page-hero::after {
      content: '';
      position: absolute;
      width: 520px;
      height: 520px;
      left: -120px;
      top: 0;
      background: radial-gradient(circle, rgba(38, 147, 255, 0.22), transparent 70%);
      pointer-events: none;
    }
    .page-hero .grid-container { position: relative; z-index: 2; }
    .breadcrumb { font-size: 13px; color: var(--ink-mute); margin-bottom: 24px; display: flex; flex-wrap: wrap; gap: 6px; }
    .breadcrumb a { color: var(--ink-body); }
    .breadcrumb a:hover { color: var(--brand-primary); }
    .breadcrumb span { color: var(--ink-strong); }
    .page-hero h1 {
      font-size: 44px;
      font-weight: 700;
      color: var(--ink-strong);
      line-height: 1.3;
      margin-bottom: 16px;
    }
    .page-hero h1 .accent { color: var(--brand-primary); }
    .page-hero .lead {
      font-size: 16px;
      color: var(--ink-body);
      max-width: 680px;
      line-height: 1.78;
      margin-bottom: 28px;
    }
    .hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

    /* ===== 通用区块 ===== */
    .section { padding: clamp(60px, 7vw, 96px) 0; position: relative; }
    .section-alt { background: var(--bg-elev); }
    .section-head { margin-bottom: 44px; }
    .section-tag {
      display: inline-block;
      font-size: 12px;
      font-weight: 600;
      letter-spacing: 1px;
      text-transform: uppercase;
      color: var(--brand-cyan);
      margin-bottom: 12px;
    }
    .section-head h2 {
      font-size: 28px;
      font-weight: 700;
      color: var(--ink-strong);
      line-height: 1.3;
      position: relative;
      padding-left: 16px;
    }
    .section-head h2::before {
      content: '';
      position: absolute;
      left: 0; top: 6px; bottom: 6px;
      width: 4px;
      border-radius: 2px;
      background: var(--brand-primary);
    }
    .section-head p { margin-top: 12px; color: var(--ink-body); max-width: 680px; }

    /* ===== 卡片通用 ===== */
    .card {
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: var(--radius-card);
      padding: 28px;
      transition: var(--transition);
      position: relative;
      height: 100%;
    }
    .card:hover {
      transform: translateY(-4px);
      border-color: rgba(38, 147, 255, 0.5);
      box-shadow: 0 10px 28px rgba(0, 0, 0, 0.3), 0 0 20px rgba(38, 147, 255, 0.15);
    }
    .card-icon {
      width: 48px; height: 48px;
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      background: rgba(38, 147, 255, 0.15);
      color: var(--brand-primary);
      font-size: 20px;
      margin-bottom: 18px;
    }
    .card h3 { font-size: 18px; font-weight: 600; color: var(--ink-strong); margin-bottom: 10px; }
    .card p { font-size: 14px; color: var(--ink-body); line-height: 1.7; }
    .card-link {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      margin-top: 16px;
      font-size: 13px;
      font-weight: 500;
      color: var(--brand-cyan);
    }
    .card-link:hover { gap: 10px; color: var(--brand-cyan); }

    /* ===== 直播场次卡片 ===== */
    .live-card {
      border-radius: var(--radius-card);
      overflow: hidden;
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid rgba(255, 255, 255, 0.1);
      transition: var(--transition);
      height: 100%;
    }
    .live-card:hover {
      transform: translateY(-4px);
      box-shadow: 0 10px 28px rgba(0, 0, 0, 0.3), 0 0 20px rgba(38, 147, 255, 0.12);
    }
    .live-card-img { position: relative; height: 190px; overflow: hidden; }
    .live-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
    .live-card:hover .live-card-img img { transform: scale(1.04); }
    .live-status {
      position: absolute;
      top: 14px; left: 14px;
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: rgba(5, 10, 20, 0.72);
      border: 1px solid rgba(255, 255, 255, 0.15);
      color: #fff;
      font-size: 12px;
      padding: 6px 12px;
      border-radius: var(--radius-pill);
      backdrop-filter: blur(10px);
    }
    .live-status .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--brand-cyan); }
    .live-status.live .dot { background: var(--brand-red); animation: pulse 1.5s infinite; }
    @keyframes pulse {
      0%, 100% { box-shadow: 0 0 0 0 rgba(255, 90, 103, 0.6); }
      50% { box-shadow: 0 0 0 6px rgba(255, 90, 103, 0); }
    }
    .live-card-body { padding: 20px 22px 24px; }
    .live-card-body .meta { font-size: 12px; color: var(--ink-mute); margin-bottom: 8px; }
    .live-card-body h3 { font-size: 17px; font-weight: 600; color: var(--ink-strong); margin-bottom: 8px; }
    .live-card-body p { font-size: 13px; color: var(--ink-body); line-height: 1.6; }

    /* ===== 提醒订阅条 ===== */
    .remind-bar {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid rgba(255, 255, 255, 0.08);
      border-radius: 16px;
      padding: 20px 24px;
      margin-top: 40px;
      flex-wrap: wrap;
    }
    .remind-text { font-size: 15px; font-weight: 600; color: var(--ink-strong); }
    .remind-form { display: flex; gap: 10px; flex: 1; max-width: 440px; min-width: 260px; }
    .remind-form input {
      flex: 1;
      min-height: 44px;
      border-radius: 8px;
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid rgba(255, 255, 255, 0.12);
      padding: 0 16px;
      color: var(--ink-strong);
      font-size: 14px;
      transition: var(--transition);
    }
    .remind-form input:focus {
      outline: none;
      border-color: var(--brand-primary);
      box-shadow: 0 0 0 3px rgba(38, 147, 255, 0.2);
    }
    .remind-form input::placeholder { color: var(--ink-mute); }

    /* ===== 入口流程 ===== */
    .steps-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      counter-reset: step;
    }
    .step-item { text-align: center; padding: 0 8px; position: relative; }
    .step-num {
      width: 56px; height: 56px;
      border-radius: 50%;
      border: 2px solid var(--brand-primary);
      color: var(--brand-primary);
      font-size: 20px;
      font-weight: 700;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 16px;
      background: rgba(38, 147, 255, 0.08);
      transition: var(--transition);
    }
    .step-item:hover .step-num {
      background: var(--brand-primary);
      color: #fff;
      box-shadow: 0 0 20px rgba(38, 147, 255, 0.4);
    }
    .step-item h4 { font-size: 16px; font-weight: 600; color: var(--ink-strong); margin-bottom: 8px; }
    .step-item p { font-size: 13px; color: var(--ink-body); line-height: 1.6; }

    /* ===== 数据统计 ===== */
    .stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
    .stat-card {
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid rgba(255, 255, 255, 0.08);
      border-radius: var(--radius-card);
      padding: 32px 24px;
      text-align: center;
      transition: var(--transition);
    }
    .stat-card:hover { border-color: rgba(38, 147, 255, 0.35); }
    .stat-num {
      font-size: 40px;
      font-weight: 700;
      color: var(--brand-cyan);
      font-variant-numeric: tabular-nums;
      text-shadow: var(--glow-cyan);
      line-height: 1.2;
    }
    .stat-label { font-size: 13px; color: var(--ink-mute); margin-top: 10px; }

    /* ===== 适用场景 ===== */
    .scenario-item {
      display: flex;
      gap: 16px;
      padding: 26px;
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid rgba(255, 255, 255, 0.08);
      border-radius: 16px;
      transition: var(--transition);
      height: 100%;
    }
    .scenario-item:hover {
      border-color: rgba(38, 147, 255, 0.4);
      background: rgba(38, 147, 255, 0.06);
    }
    .scenario-icon {
      width: 44px; height: 44px;
      min-width: 44px;
      border-radius: 10px;
      background: rgba(38, 147, 255, 0.12);
      color: var(--brand-primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 18px;
    }
    .scenario-item h4 { font-size: 16px; font-weight: 600; color: var(--ink-strong); margin-bottom: 6px; }
    .scenario-item p { font-size: 14px; color: var(--ink-body); line-height: 1.6; }

    /* ===== FAQ ===== */
    .faq-list { max-width: 840px; margin: 0 auto; }
    .faq-item {
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid rgba(255, 255, 255, 0.08);
      border-radius: 12px;
      margin-bottom: 14px;
      overflow: hidden;
      transition: var(--transition);
    }
    .faq-item.active {
      background: rgba(255, 255, 255, 0.08);
      border-color: rgba(38, 147, 255, 0.4);
      box-shadow: inset 3px 0 0 var(--brand-primary);
    }
    .faq-question {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 18px 22px;
      font-size: 15px;
      font-weight: 600;
      color: var(--ink-strong);
      cursor: pointer;
      user-select: none;
      background: none;
      border: none;
      width: 100%;
      text-align: left;
    }
    .faq-question .icon {
      width: 24px; height: 24px;
      min-width: 24px;
      border-radius: 6px;
      background: rgba(255, 255, 255, 0.08);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 14px;
      color: var(--ink-body);
      transition: transform .2s ease, color .2s ease;
    }
    .faq-item.active .faq-question .icon {
      transform: rotate(45deg);
      color: var(--brand-cyan);
      background: rgba(38, 147, 255, 0.15);
    }
    .faq-answer {
      display: none;
      padding: 0 22px 20px;
      font-size: 14px;
      color: var(--ink-body);
      line-height: 1.78;
    }
    .faq-item.active .faq-answer { display: block; }

    /* ===== CTA ===== */
    .cta-section { position: relative; padding: 80px 0; text-align: center; overflow: hidden; }
    .cta-section::before {
      content: '';
      position: absolute;
      top: 50%; left: 50%;
      width: 420px; height: 420px;
      transform: translate(-50%, -50%);
      border-radius: 50%;
      border: 2px solid rgba(38, 147, 255, 0.2);
      box-shadow: 0 0 80px rgba(38, 147, 255, 0.12), inset 0 0 80px rgba(38, 147, 255, 0.06);
      pointer-events: none;
    }
    .cta-section h2 {
      font-size: 28px;
      font-weight: 700;
      color: var(--ink-strong);
      margin-bottom: 14px;
      position: relative;
      z-index: 1;
    }
    .cta-section > .grid-container { position: relative; z-index: 1; }
    .cta-section p { color: var(--ink-body); margin-bottom: 28px; max-width: 560px; margin-left: auto; margin-right: auto; }
    .cta-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

    /* ===== 页脚 ===== */
    .site-footer {
      background: var(--bg-elev);
      border-top: 1px solid rgba(255, 255, 255, 0.06);
      padding: 64px 0 0;
    }
    .footer-grid { padding-bottom: 40px; }
    .footer-brand .brand-logo { margin-bottom: 14px; }
    .footer-brand p { font-size: 13px; color: var(--ink-mute); max-width: 240px; line-height: 1.7; }
    .footer-col h4 { font-size: 14px; font-weight: 600; color: var(--ink-strong); margin-bottom: 16px; }
    .footer-col a {
      display: block;
      font-size: 13px;
      color: var(--ink-body);
      padding: 6px 0;
      transition: var(--transition);
    }
    .footer-col a:hover { color: var(--brand-primary); padding-left: 4px; }
    .footer-col p { font-size: 13px; color: var(--ink-mute); line-height: 1.7; }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.06);
      padding: 20px 0;
      text-align: center;
    }
    .footer-bottom p { font-size: 12px; color: var(--ink-mute); }

    /* ===== 响应式 ===== */
    @media (max-width: 1024px) {
      .page-hero h1 { font-size: 36px; }
      .steps-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
      .stats-grid { grid-template-columns: repeat(2, 1fr); }
      .stat-num { font-size: 32px; }
    }
    @media (max-width: 768px) {
      .main-nav {
        display: none;
        position: fixed;
        top: 64px; left: 0; right: 0;
        background: rgba(5, 10, 20, 0.96);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 24px;
        gap: 8px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
      }
      .main-nav.open { display: flex; }
      .nav-link {
        padding: 14px 0;
        font-size: 16px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.06);
      }
      .nav-link.active { border-bottom-color: var(--brand-primary); }
      .nav-toggle { display: block; }
      .header-right .btn-primary { display: none; }
      .header-left { gap: 20px; }
      .page-hero { padding: 120px 0 60px; }
      .page-hero h1 { font-size: 32px; }
      .section-head h2 { font-size: 24px; }
      .remind-bar { flex-direction: column; align-items: stretch; }
      .remind-form { max-width: none; width: 100%; }
    }
    @media (max-width: 640px) {
      .steps-grid { grid-template-columns: 1fr; }
      .stats-grid { grid-template-columns: 1fr 1fr; }
      .hero-actions { flex-direction: column; align-items: stretch; }
      .hero-actions .btn { width: 100%; }
      .card { padding: 22px; }
      .cta-section h2 { font-size: 24px; }
      .cta-actions .btn { width: 100%; }
      .footer-grid .cell { margin-bottom: 24px; }
      .section-head h2 { font-size: 22px; }
      .page-hero h1 { font-size: 28px; }
    }

/* roulang page: article */
:root {
            --bg-base: #050A14;
            --bg-elev: #090F1E;
            --bg-deep: #030712;
            --ink-strong: #F0F6FF;
            --ink-body: #A6B6D4;
            --ink-mute: #60708F;
            --brand-primary: #2693FF;
            --brand-cyan: #52E1E0;
            --brand-red: #FF5A67;
            --glass-bg: rgba(255, 255, 255, 0.06);
            --glass-bg-soft: rgba(255, 255, 255, 0.04);
            --glass-border: rgba(255, 255, 255, 0.12);
            --glow-primary: 0 0 30px rgba(38, 147, 255, 0.35);
            --glow-cyan: 0 0 24px rgba(82, 225, 224, 0.3);
            --radius-lg: 20px;
            --radius-md: 16px;
            --radius-sm: 10px;
            --radius-pill: 999px;
            --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.25);
            --shadow-hover: 0 10px 28px rgba(0, 0, 0, 0.3), 0 0 20px rgba(38, 147, 255, 0.14);
            --spacing-section: clamp(60px, 7vw, 96px);
            --transition: 250ms ease;
            --font-sans: -apple-system, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            background: var(--bg-base);
            color: var(--ink-body);
            line-height: 1.78;
            -webkit-font-smoothing: antialiased;
            text-rendering: optimizeLegibility;
            overflow-x: hidden;
        }

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

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

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

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

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            min-height: 44px;
            padding: 0 24px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .btn-primary {
            background: linear-gradient(135deg, #2693FF, #4FC3FF);
            color: #fff;
            box-shadow: 0 0 24px rgba(38, 147, 255, 0.4);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 36px rgba(38, 147, 255, 0.55);
        }

        .btn-outline {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: var(--ink-strong);
        }

        .btn-outline:hover {
            border-color: var(--brand-primary);
            background: rgba(38, 147, 255, 0.1);
        }

        .btn-compact {
            min-height: 38px;
            padding: 0 16px;
            font-size: 13px;
        }

        .btn-block {
            width: 100%;
        }

        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: 64px;
            background: rgba(5, 10, 20, 0.72);
            backdrop-filter: blur(16px) saturate(140%);
            -webkit-backdrop-filter: blur(16px) saturate(140%);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            transition: background var(--transition), border-color var(--transition);
        }

        .site-header:hover {
            border-bottom-color: rgba(255, 255, 255, 0.14);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
        }

        .header-group-left {
            display: flex;
            align-items: center;
            gap: 32px;
        }

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

        .brand-logo {
            display: inline-flex;
            align-items: baseline;
            gap: 2px;
            font-size: 22px;
            font-weight: 700;
            color: var(--ink-strong);
            letter-spacing: 0;
            white-space: nowrap;
        }

        .logo-main {
            color: var(--brand-cyan);
            text-shadow: 0 0 18px rgba(82, 225, 224, 0.3);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 28px;
        }

        .nav-link {
            font-size: 14px;
            color: var(--ink-body);
            position: relative;
            padding: 4px 0;
            transition: color var(--transition);
        }

        .nav-link:hover {
            color: var(--ink-strong);
        }

        .nav-link.active {
            color: var(--ink-strong);
        }

        .nav-link.active::after {
            content: '';
            position: absolute;
            left: 0;
            right: 0;
            bottom: -2px;
            height: 2px;
            background: var(--brand-primary);
            border-radius: 2px;
            box-shadow: 0 0 8px rgba(38, 147, 255, 0.6);
        }

        .nav-search {
            position: relative;
            display: flex;
            align-items: center;
        }

        .nav-search input {
            width: 160px;
            height: 36px;
            padding: 0 14px 0 36px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-pill);
            color: var(--ink-strong);
            font-size: 13px;
            transition: all var(--transition);
        }

        .nav-search input::placeholder {
            color: var(--ink-mute);
        }

        .nav-search input:focus {
            border-color: var(--brand-primary);
            width: 180px;
            box-shadow: 0 0 0 3px rgba(38, 147, 255, 0.18);
        }

        .nav-search i {
            position: absolute;
            left: 13px;
            font-size: 14px;
            color: var(--ink-mute);
            pointer-events: none;
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            width: 38px;
            height: 38px;
            align-items: center;
            justify-content: center;
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-sm);
            background: rgba(255, 255, 255, 0.04);
            cursor: pointer;
            transition: all var(--transition);
        }

        .hamburger:hover {
            border-color: var(--brand-primary);
        }

        .hamburger span {
            display: block;
            width: 16px;
            height: 2px;
            background: var(--ink-strong);
            border-radius: 2px;
            transition: all var(--transition);
        }

        .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);
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            background: rgba(5, 10, 20, 0.96);
            backdrop-filter: blur(20px) saturate(140%);
            -webkit-backdrop-filter: blur(20px) saturate(140%);
            flex-direction: column;
            padding: 24px;
            gap: 4px;
            z-index: 999;
            border-bottom: 1px solid var(--glass-border);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
        }

        .mobile-menu.open {
            display: flex;
        }

        .mobile-link {
            display: block;
            padding: 14px 0;
            color: var(--ink-strong);
            font-size: 16px;
            font-weight: 500;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: color var(--transition), padding-left var(--transition);
        }

        .mobile-link:hover {
            color: var(--brand-primary);
            padding-left: 8px;
        }

        .mobile-menu .btn {
            margin-top: 16px;
        }

        .article-page {
            position: relative;
            padding-top: 64px;
            background: var(--bg-base);
        }

        .article-page::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 520px;
            background: url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
            opacity: 0.12;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            pointer-events: none;
        }

        .article-page::after {
            content: '';
            position: absolute;
            top: 40px;
            left: -80px;
            width: 420px;
            height: 420px;
            background: radial-gradient(circle, rgba(38, 147, 255, 0.2), transparent 70%);
            pointer-events: none;
        }

        .article-section {
            position: relative;
            z-index: 1;
            padding: clamp(48px, 6vw, 80px) 0;
        }

        .article-wrap {
            max-width: 768px;
            margin: 0 auto;
        }

        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--ink-mute);
            margin-bottom: 28px;
        }

        .breadcrumb a {
            color: var(--ink-mute);
            transition: color var(--transition);
        }

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

        .breadcrumb-sep {
            opacity: 0.6;
            font-size: 14px;
        }

        .breadcrumb-current {
            color: var(--ink-body);
            max-width: 260px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

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

        .article-title {
            font-size: 32px;
            line-height: 1.3;
            font-weight: 700;
            color: var(--ink-strong);
            margin-bottom: 20px;
            letter-spacing: 0;
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 16px;
            color: var(--ink-mute);
            font-size: 13px;
        }

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

        .meta-item i {
            font-size: 14px;
            color: var(--ink-mute);
        }

        .meta-chip {
            display: inline-flex;
            align-items: center;
            padding: 3px 14px;
            border-radius: var(--radius-pill);
            background: rgba(38, 147, 255, 0.12);
            border: 1px solid rgba(38, 147, 255, 0.3);
            color: var(--brand-primary);
            font-size: 12px;
            font-weight: 500;
        }

        .article-content {
            background: var(--glass-bg-soft);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            padding: clamp(24px, 4vw, 40px);
            box-shadow: var(--shadow-card), inset 0 1px 0 rgba(255, 255, 255, 0.06);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            font-size: 16px;
            line-height: 1.8;
            color: var(--ink-body);
        }

        .article-content h2 {
            font-size: 24px;
            color: var(--ink-strong);
            line-height: 1.35;
            margin: 40px 0 16px;
            font-weight: 700;
        }

        .article-content h3 {
            font-size: 20px;
            color: var(--ink-strong);
            line-height: 1.4;
            margin: 32px 0 14px;
            font-weight: 600;
        }

        .article-content h4 {
            font-size: 17px;
            color: var(--ink-strong);
            line-height: 1.45;
            margin: 24px 0 12px;
            font-weight: 600;
        }

        .article-content p {
            margin-bottom: 24px;
        }

        .article-content ul,
        .article-content ol {
            margin: 0 0 24px 24px;
            padding: 0;
        }

        .article-content ul li,
        .article-content ol li {
            margin-bottom: 8px;
        }

        .article-content blockquote {
            border-left: 4px solid var(--brand-primary);
            background: rgba(38, 147, 255, 0.06);
            padding: 18px 22px;
            border-radius: 0 12px 12px 0;
            color: var(--ink-strong);
            font-style: normal;
            margin: 28px 0;
        }

        .article-content blockquote p {
            margin-bottom: 8px;
        }

        .article-content blockquote p:last-child {
            margin-bottom: 0;
        }

        .article-content img {
            border-radius: 12px;
            box-shadow: var(--shadow-card);
            margin: 28px auto;
        }

        .article-content figcaption {
            text-align: center;
            font-size: 13px;
            color: var(--ink-mute);
            margin-top: -16px;
            margin-bottom: 24px;
        }

        .article-content a {
            color: var(--brand-primary);
            border-bottom: 1px solid rgba(38, 147, 255, 0.3);
        }

        .article-content a:hover {
            color: var(--brand-cyan);
            border-bottom-color: var(--brand-cyan);
        }

        .article-content hr {
            border: none;
            height: 1px;
            background: var(--glass-border);
            margin: 36px 0;
        }

        .article-content code {
            background: rgba(255, 255, 255, 0.08);
            border-radius: 6px;
            padding: 2px 8px;
            font-size: 14px;
            color: var(--brand-cyan);
        }

        .article-content pre {
            background: var(--bg-deep);
            border: 1px solid var(--glass-border);
            border-radius: 12px;
            padding: 20px;
            overflow-x: auto;
            margin: 28px 0;
        }

        .article-content pre code {
            background: none;
            padding: 0;
            color: var(--ink-body);
        }

        .article-tags {
            margin-top: 32px;
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .tag-chip {
            display: inline-flex;
            align-items: center;
            padding: 6px 14px;
            border-radius: var(--radius-pill);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--glass-border);
            color: var(--ink-body);
            font-size: 13px;
            font-weight: 500;
            transition: all var(--transition);
        }

        .tag-chip:hover {
            border-color: var(--brand-primary);
            color: var(--ink-strong);
            box-shadow: 0 0 14px rgba(38, 147, 255, 0.15);
        }

        .article-prev-next {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
            margin-top: 48px;
        }

        .prev-link,
        .next-link {
            display: flex;
            flex-direction: column;
            gap: 6px;
            background: var(--glass-bg-soft);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md);
            padding: 18px 20px;
            transition: all var(--transition);
        }

        .prev-link {
            align-items: flex-start;
            text-align: left;
        }

        .next-link {
            align-items: flex-end;
            text-align: right;
        }

        .prev-link:hover,
        .next-link:hover {
            border-color: var(--brand-primary);
            box-shadow: 0 0 20px rgba(38, 147, 255, 0.1);
            transform: translateY(-2px);
        }

        .pn-label {
            font-size: 12px;
            color: var(--ink-mute);
        }

        .pn-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--ink-strong);
            line-height: 1.4;
            transition: color var(--transition);
        }

        .prev-link:hover .pn-title,
        .next-link:hover .pn-title {
            color: var(--brand-primary);
        }

        .related-section {
            margin-top: 56px;
        }

        .section-title {
            font-size: 22px;
            color: var(--ink-strong);
            font-weight: 700;
            margin-bottom: 24px;
            padding-left: 14px;
            border-left: 4px solid var(--brand-primary);
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .related-card {
            background: var(--glass-bg-soft);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition);
        }

        .related-card:hover {
            transform: translateY(-4px);
            border-color: rgba(38, 147, 255, 0.5);
            box-shadow: var(--shadow-hover);
        }

        .related-thumb {
            height: 120px;
            overflow: hidden;
        }

        .related-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .related-card:hover .related-thumb img {
            transform: scale(1.06);
        }

        .related-body {
            padding: 16px 18px 18px;
        }

        .related-title {
            font-size: 15px;
            color: var(--ink-strong);
            font-weight: 600;
            line-height: 1.45;
            margin-bottom: 12px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .related-card:hover .related-title {
            color: var(--brand-primary);
        }

        .related-cat {
            display: inline-flex;
            align-items: center;
            padding: 2px 12px;
            border-radius: var(--radius-pill);
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--glass-border);
            color: var(--ink-mute);
            font-size: 12px;
            font-weight: 500;
        }

        .back-home {
            margin-top: 40px;
            text-align: center;
        }

        .back-home-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--ink-body);
            font-size: 14px;
            font-weight: 500;
            padding: 10px 20px;
            border-radius: var(--radius-pill);
            border: 1px solid var(--glass-border);
            transition: all var(--transition);
        }

        .back-home-link:hover {
            color: var(--brand-primary);
            border-color: var(--brand-primary);
            box-shadow: 0 0 16px rgba(38, 147, 255, 0.14);
        }

        .not-found-panel {
            text-align: center;
            padding: 80px 24px;
            background: var(--glass-bg-soft);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card), inset 0 1px 0 rgba(255, 255, 255, 0.06);
        }

        .not-found-icon {
            font-size: 56px;
            color: var(--ink-mute);
            margin-bottom: 20px;
        }

        .not-found-panel h1 {
            color: var(--ink-strong);
            font-size: 24px;
            margin-bottom: 20px;
        }

        .not-found-panel .btn {
            margin-top: 8px;
        }

        .site-footer {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            background: var(--bg-elev);
            padding: clamp(48px, 6vw, 64px) 0 24px;
        }

        .footer-grid {
            row-gap: 32px;
        }

        .footer-brand .brand-logo {
            font-size: 20px;
        }

        .footer-brand p {
            color: var(--ink-mute);
            font-size: 13px;
            margin-top: 12px;
            margin-bottom: 0;
        }

        .footer-col h4 {
            color: var(--ink-strong);
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 16px;
        }

        .footer-col a {
            display: block;
            color: var(--ink-mute);
            font-size: 13px;
            margin-bottom: 10px;
            transition: color var(--transition);
        }

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

        .footer-col p {
            color: var(--ink-mute);
            font-size: 13px;
            margin-bottom: 8px;
        }

        .footer-bottom {
            margin-top: 40px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            text-align: center;
        }

        .footer-bottom p {
            color: var(--ink-mute);
            font-size: 12px;
            margin: 0;
        }

        @media (max-width: 1024px) {
            .main-nav {
                gap: 20px;
            }

            .nav-search {
                display: none;
            }

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

        @media (max-width: 640px) {
            .main-nav {
                display: none;
            }

            .hamburger {
                display: flex;
            }

            .header-group-right .btn-compact {
                display: none;
            }

            .header-group-left {
                gap: 16px;
            }

            .article-title {
                font-size: 24px;
            }

            .article-meta {
                gap: 12px;
                font-size: 12px;
            }

            .article-content {
                padding: 20px;
            }

            .article-prev-next {
                grid-template-columns: 1fr;
            }

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

            .article-wrap {
                padding: 0 16px;
            }

            .grid-container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        @media (max-width: 400px) {
            .brand-logo {
                font-size: 19px;
            }

            .article-title {
                font-size: 21px;
            }

            .meta-item {
                gap: 4px;
            }
        }

/* roulang page: category2 */
:root {
            --bg-base: #050A14;
            --bg-elev: #090F1E;
            --ink-strong: #F0F6FF;
            --ink-body: #A6B6D4;
            --ink-mute: #60708F;
            --brand-primary: #2693FF;
            --brand-cyan: #52E1E0;
            --brand-red: #FF5A67;
            --glass-bg: rgba(255, 255, 255, 0.06);
            --glass-border: rgba(255, 255, 255, 0.12);
            --glow-primary: 0 0 30px rgba(38, 147, 255, 0.35);
            --glow-cyan: 0 0 24px rgba(82, 225, 224, 0.3);
            --radius-card: 16px;
            --radius-btn: 10px;
            --radius-full: 999px;
            --font-main: -apple-system, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
            --transition: all 0.25s ease;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-main);
            background: var(--bg-base);
            color: var(--ink-body);
            line-height: 1.78;
            font-size: 15px;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        a {
            color: var(--brand-primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--brand-cyan);
        }
        img {
            max-width: 100%;
            display: block;
        }
        button,
        input {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
            color: inherit;
        }
        .grid-container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            min-height: 44px;
            padding: 0 24px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 14px;
            line-height: 1;
            cursor: pointer;
            transition: var(--transition);
            border: 1px solid transparent;
            white-space: nowrap;
        }
        .btn-primary {
            background: linear-gradient(135deg, #2693FF, #4FC3FF);
            color: #fff;
            box-shadow: 0 0 24px rgba(38, 147, 255, 0.4);
        }
        .btn-primary:hover {
            box-shadow: 0 0 36px rgba(38, 147, 255, 0.55);
            transform: translateY(-2px);
            color: #fff;
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 0 18px rgba(38, 147, 255, 0.3);
        }
        .btn-outline {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: var(--ink-strong);
        }
        .btn-outline:hover {
            border-color: var(--brand-primary);
            background: rgba(38, 147, 255, 0.1);
            color: var(--brand-primary);
        }
        .btn-outline:active {
            background: rgba(38, 147, 255, 0.18);
        }
        .btn-sm {
            min-height: 38px;
            padding: 0 20px;
            font-size: 13px;
        }
        .bg-elev {
            background: var(--bg-elev);
        }

        /* ===== Header ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: 64px;
            background: rgba(5, 10, 20, 0.72);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            box-shadow: 0 1px 0 rgba(255, 255, 255, 0.03);
        }
        .header-inner {
            height: 64px;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .header-left {
            display: flex;
            align-items: center;
            gap: 40px;
        }
        .brand-logo {
            font-size: 20px;
            font-weight: 700;
            color: var(--ink-strong);
            letter-spacing: 0;
            display: inline-flex;
            align-items: center;
            gap: 0;
            line-height: 1.2;
        }
        .brand-logo .logo-main {
            color: var(--brand-primary);
            text-shadow: 0 0 16px rgba(38, 147, 255, 0.5);
        }
        .brand-logo:hover {
            color: var(--ink-strong);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 32px;
            margin: 0;
        }
        .nav-link {
            font-size: 14px;
            font-weight: 500;
            color: var(--ink-body);
            padding: 6px 2px;
            position: relative;
            transition: var(--transition);
        }
        .nav-link::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 100%;
            height: 2px;
            background: var(--brand-primary);
            border-radius: 2px;
            transform: scaleX(0);
            transition: transform 0.25s ease;
            box-shadow: 0 0 12px rgba(38, 147, 255, 0.5);
        }
        .nav-link:hover {
            color: var(--ink-strong);
        }
        .nav-link:hover::after {
            transform: scaleX(0.6);
        }
        .nav-link.active {
            color: var(--ink-strong);
        }
        .nav-link.active::after {
            transform: scaleX(1);
        }
        .header-right {
            display: flex;
            align-items: center;
            gap: 20px;
        }
        .search-box {
            position: relative;
            display: flex;
            align-items: center;
        }
        .search-box input {
            width: 180px;
            height: 38px;
            border-radius: var(--radius-full);
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            padding: 0 14px 0 36px;
            font-size: 13px;
            color: var(--ink-strong);
            transition: var(--transition);
        }
        .search-box input::placeholder {
            color: var(--ink-mute);
        }
        .search-box input:focus {
            border-color: var(--brand-primary);
            box-shadow: 0 0 0 3px rgba(38, 147, 255, 0.15);
            background: rgba(255, 255, 255, 0.08);
            width: 220px;
        }
        .search-box i {
            position: absolute;
            left: 12px;
            font-size: 13px;
            color: var(--ink-mute);
            pointer-events: none;
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 8px;
        }
        .nav-toggle span {
            width: 22px;
            height: 2px;
            background: var(--ink-strong);
            border-radius: 2px;
            transition: var(--transition);
        }

        /* ===== Mobile Menu ===== */
        .mobile-menu {
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            background: rgba(5, 10, 20, 0.95);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            padding: 24px;
            display: none;
            flex-direction: column;
            gap: 16px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            z-index: 999;
        }
        .mobile-menu.open {
            display: flex;
        }
        .mobile-menu .nav-link {
            font-size: 16px;
            padding: 10px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }
        .mobile-menu .btn {
            margin-top: 12px;
            width: 100%;
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb-wrap {
            padding-top: 92px;
            padding-bottom: 0;
        }
        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--ink-mute);
        }
        .breadcrumb-nav a {
            color: var(--ink-mute);
        }
        .breadcrumb-nav a:hover {
            color: var(--brand-primary);
        }
        .breadcrumb-sep {
            color: var(--ink-mute);
            opacity: 0.5;
        }
        .breadcrumb-current {
            color: var(--ink-body);
            font-weight: 500;
        }

        /* ===== Category Hero ===== */
        .category-hero {
            position: relative;
            padding: 60px 0 72px;
            overflow: hidden;
            background:
                radial-gradient(ellipse at 15% 50%, rgba(38, 147, 255, 0.16), transparent 60%),
                radial-gradient(ellipse at 85% 30%, rgba(82, 225, 224, 0.08), transparent 50%),
                linear-gradient(180deg, var(--bg-elev) 0%, var(--bg-base) 100%);
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }
        .category-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            opacity: 0.08;
            pointer-events: none;
        }
        .category-hero .grid-container {
            position: relative;
            z-index: 1;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 16px;
            border-radius: var(--radius-full);
            border: 1px solid rgba(38, 147, 255, 0.4);
            background: rgba(38, 147, 255, 0.08);
            color: var(--brand-cyan);
            font-size: 13px;
            font-weight: 500;
            margin-bottom: 20px;
        }
        .dot-pulse {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--brand-cyan);
            box-shadow: 0 0 0 0 rgba(82, 225, 224, 0.5);
            animation: pulse 2s infinite;
        }
        @keyframes pulse {
            0% {
                box-shadow: 0 0 0 0 rgba(82, 225, 224, 0.5);
            }
            70% {
                box-shadow: 0 0 0 12px rgba(82, 225, 224, 0);
            }
            100% {
                box-shadow: 0 0 0 0 rgba(82, 225, 224, 0);
            }
        }
        .category-hero h1 {
            font-size: 44px;
            font-weight: 700;
            color: var(--ink-strong);
            line-height: 1.25;
            margin-bottom: 16px;
            letter-spacing: 0;
        }
        .category-hero h1 .brand-primary {
            color: var(--brand-primary);
            text-shadow: 0 0 20px rgba(38, 147, 255, 0.4);
        }
        .hero-desc {
            font-size: 16px;
            color: var(--ink-body);
            max-width: 520px;
            margin-bottom: 28px;
            line-height: 1.6;
        }
        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .hero-card {
            border-radius: 20px;
            overflow: hidden;
            position: relative;
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
        }
        .hero-card-img {
            width: 100%;
            height: 320px;
            object-fit: cover;
        }
        .hero-card-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 30%, rgba(5, 10, 20, 0.88) 95%);
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            padding: 24px;
        }
        .tag-red {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 12px;
            border-radius: var(--radius-full);
            background: rgba(255, 90, 103, 0.15);
            border: 1px solid rgba(255, 90, 103, 0.4);
            color: var(--brand-red);
            font-size: 12px;
            font-weight: 600;
            width: fit-content;
            margin-bottom: 12px;
        }
        .tag-red::before {
            content: "";
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--brand-red);
            box-shadow: 0 0 8px rgba(255, 90, 103, 0.6);
        }
        .hero-card-overlay h3 {
            font-size: 20px;
            color: var(--ink-strong);
            font-weight: 600;
            margin-bottom: 4px;
        }
        .hero-card-overlay p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
        }

        /* ===== Section ===== */
        .section {
            padding: clamp(60px, 7vw, 96px) 0;
        }
        .section-head {
            margin-bottom: 40px;
        }
        .section-line {
            display: block;
            width: 4px;
            height: 28px;
            background: var(--brand-primary);
            border-radius: 4px;
            box-shadow: 0 0 16px rgba(38, 147, 255, 0.4);
            margin-bottom: 14px;
        }
        .section-head h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--ink-strong);
            line-height: 1.3;
            margin-bottom: 8px;
        }
        .section-head p {
            font-size: 15px;
            color: var(--ink-mute);
        }

        /* ===== Schedule Cards ===== */
        .schedule-section {
            background: var(--bg-base);
        }
        .schedule-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .schedule-card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: var(--transition);
            position: relative;
        }
        .schedule-card:hover {
            transform: translateY(-6px);
            border-color: rgba(38, 147, 255, 0.4);
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3), 0 0 24px rgba(38, 147, 255, 0.12);
        }
        .schedule-card-img-wrap {
            position: relative;
            height: 180px;
            overflow: hidden;
        }
        .schedule-card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .schedule-card:hover .schedule-card-img-wrap img {
            transform: scale(1.04);
        }
        .schedule-card-img-wrap::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 45%, rgba(5, 10, 20, 0.75) 100%);
        }
        .schedule-time-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            z-index: 2;
            padding: 4px 12px;
            border-radius: var(--radius-full);
            background: rgba(5, 10, 20, 0.7);
            border: 1px solid rgba(255, 255, 255, 0.15);
            color: var(--brand-cyan);
            font-size: 12px;
            font-weight: 600;
            backdrop-filter: blur(8px);
        }
        .schedule-card-body {
            padding: 22px 24px 24px;
        }
        .schedule-card-body h3 {
            font-size: 18px;
            color: var(--ink-strong);
            font-weight: 600;
            margin-bottom: 10px;
            line-height: 1.4;
        }
        .schedule-card-body p {
            font-size: 14px;
            color: var(--ink-body);
            line-height: 1.6;
            margin-bottom: 18px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .schedule-card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .schedule-tag {
            font-size: 12px;
            color: var(--ink-mute);
            background: rgba(255, 255, 255, 0.05);
            padding: 4px 10px;
            border-radius: var(--radius-full);
            border: 1px solid rgba(255, 255, 255, 0.06);
        }
        .schedule-remind {
            font-size: 13px;
            color: var(--brand-primary);
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            cursor: pointer;
            background: none;
            border: none;
            padding: 6px 10px;
            border-radius: 8px;
            transition: var(--transition);
        }
        .schedule-remind:hover {
            background: rgba(38, 147, 255, 0.1);
            color: var(--brand-cyan);
        }

        /* ===== Remind Section ===== */
        .remind-section {
            background: var(--bg-elev);
            position: relative;
            overflow: hidden;
        }
        .remind-section::before {
            content: "";
            position: absolute;
            top: 50%;
            left: 50%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(38, 147, 255, 0.1), transparent 65%);
            transform: translate(-50%, -50%);
            pointer-events: none;
        }
        .remind-section .grid-container {
            position: relative;
            z-index: 1;
        }
        .remind-steps {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
            counter-reset: step;
        }
        .step-item {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-card);
            padding: 32px 28px;
            text-align: center;
            position: relative;
            transition: var(--transition);
            backdrop-filter: blur(12px);
        }
        .step-item:hover {
            border-color: rgba(38, 147, 255, 0.3);
            transform: translateY(-4px);
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.25);
        }
        .step-icon {
            width: 64px;
            height: 64px;
            border-radius: 18px;
            background: rgba(38, 147, 255, 0.12);
            border: 1px solid rgba(38, 147, 255, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            font-size: 24px;
            color: var(--brand-cyan);
            box-shadow: 0 0 20px rgba(38, 147, 255, 0.1);
        }
        .step-item h3 {
            font-size: 17px;
            color: var(--ink-strong);
            font-weight: 600;
            margin-bottom: 10px;
        }
        .step-item p {
            font-size: 14px;
            color: var(--ink-body);
            line-height: 1.6;
        }
        .step-num {
            position: absolute;
            top: 16px;
            right: 20px;
            font-size: 32px;
            font-weight: 700;
            color: rgba(255, 255, 255, 0.06);
            line-height: 1;
        }

        /* ===== Features ===== */
        .features-section {
            background: var(--bg-base);
        }
        .features-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .feature-card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        .feature-card::after {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: linear-gradient(90deg, transparent, var(--brand-primary), transparent);
            opacity: 0;
            transition: opacity 0.3s ease;
        }
        .feature-card:hover {
            border-color: rgba(38, 147, 255, 0.25);
            transform: translateY(-4px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
        }
        .feature-card:hover::after {
            opacity: 1;
        }
        .feature-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: rgba(38, 147, 255, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--brand-primary);
            margin-bottom: 18px;
        }
        .feature-card h3 {
            font-size: 16px;
            color: var(--ink-strong);
            font-weight: 600;
            margin-bottom: 8px;
        }
        .feature-card p {
            font-size: 13px;
            color: var(--ink-mute);
            line-height: 1.6;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--bg-elev);
        }
        .faq-list {
            max-width: 860px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .faq-item {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: 12px;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item.open {
            background: rgba(255, 255, 255, 0.08);
            border-left: 3px solid var(--brand-primary);
            border-color: rgba(38, 147, 255, 0.25);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 24px;
            cursor: pointer;
            font-size: 15px;
            font-weight: 600;
            color: var(--ink-strong);
            user-select: none;
        }
        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--brand-cyan);
            transition: transform 0.2s ease;
            flex-shrink: 0;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: rgba(38, 147, 255, 0.15);
            color: var(--brand-primary);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.25s ease;
            padding: 0 24px;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }
        .faq-answer p {
            font-size: 14px;
            color: var(--ink-body);
            line-height: 1.7;
            padding-top: 4px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 80px 0;
            position: relative;
            overflow: hidden;
            background: var(--bg-base);
        }
        .cta-section::before {
            content: "";
            position: absolute;
            top: 50%;
            left: 50%;
            width: 420px;
            height: 420px;
            border: 1px solid rgba(38, 147, 255, 0.2);
            border-radius: 50%;
            transform: translate(-50%, -50%);
            box-shadow: 0 0 80px rgba(38, 147, 255, 0.08);
            pointer-events: none;
        }
        .cta-content {
            text-align: center;
            position: relative;
            z-index: 1;
        }
        .cta-content h2 {
            font-size: 32px;
            color: var(--ink-strong);
            font-weight: 700;
            margin-bottom: 16px;
            line-height: 1.35;
        }
        .cta-content h2 .brand-primary {
            color: var(--brand-primary);
        }
        .cta-content p {
            font-size: 15px;
            color: var(--ink-mute);
            margin-bottom: 32px;
            max-width: 520px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-actions {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-elev);
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            padding-top: 60px;
            padding-bottom: 24px;
        }
        .footer-grid {
            margin-bottom: 40px;
        }
        .footer-brand .brand-logo {
            font-size: 22px;
            margin-bottom: 10px;
            display: inline-block;
        }
        .footer-brand p {
            font-size: 13px;
            color: var(--ink-mute);
            line-height: 1.6;
        }
        .footer-col h4 {
            font-size: 14px;
            color: var(--ink-strong);
            font-weight: 600;
            margin-bottom: 16px;
        }
        .footer-col a {
            display: block;
            font-size: 13px;
            color: var(--ink-body);
            margin-bottom: 10px;
            transition: var(--transition);
        }
        .footer-col a:hover {
            color: var(--brand-primary);
            transform: translateX(4px);
        }
        .footer-col p {
            font-size: 13px;
            color: var(--ink-mute);
            line-height: 1.6;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding-top: 20px;
            text-align: center;
        }
        .footer-bottom p {
            font-size: 12px;
            color: var(--ink-mute);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .main-nav {
                gap: 24px;
            }
            .search-box input {
                width: 150px;
            }
            .search-box input:focus {
                width: 180px;
            }
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .schedule-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .category-hero h1 {
                font-size: 36px;
            }
        }
        @media (max-width: 768px) {
            .main-nav {
                display: none;
            }
            .search-box {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .header-right .btn {
                display: none;
            }
            .category-hero {
                padding: 40px 0 48px;
            }
            .category-hero h1 {
                font-size: 32px;
            }
            .hero-card-img {
                height: 240px;
            }
            .hero-card-overlay {
                padding: 18px;
            }
            .remind-steps {
                grid-template-columns: 1fr;
            }
            .schedule-grid {
                grid-template-columns: 1fr;
            }
            .features-grid {
                grid-template-columns: 1fr;
            }
            .cta-content h2 {
                font-size: 26px;
            }
            .footer-grid .cell {
                margin-bottom: 32px;
            }
        }
        @media (max-width: 520px) {
            .breadcrumb-wrap {
                padding-top: 84px;
            }
            .category-hero h1 {
                font-size: 28px;
                line-height: 1.3;
            }
            .hero-actions .btn {
                width: 100%;
            }
            .schedule-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .section {
                padding: 48px 0;
            }
            .section-head h2 {
                font-size: 22px;
            }
            .cta-actions {
                flex-direction: column;
            }
            .cta-actions .btn {
                width: 100%;
            }
        }