/* roulang page: index */
/* ========== Design Tokens ========== */
:root {
  --primary: #7C3AED;
  --magenta: #E11D8F;
  --ice: #22D3EE;
  --amber: #F5B94A;
  --bg-base: #0A0E13;
  --bg-secondary: #11161D;
  --bg-card: #171D26;
  --bg-float: rgba(15,20,28,0.72);
  --text-main: #F2F6FA;
  --text-secondary: #9AA8B8;
  --text-disabled: #5C6B7A;
  --border: rgba(255,255,255,0.08);
  --success: #34D399;
  --warning: #FBBF24;
  --error: #F87171;
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --shadow-card: 0 4px 16px rgba(0,0,0,0.35);
  --shadow-hover: 0 12px 32px rgba(124,58,237,0.18);
  --font-main: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
  --font-num: 'Inter', 'DIN Alternate', sans-serif;
  --spacing-section: 88px;
}
/* ========== Reset & Base ========== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-main);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-main);
  background: var(--bg-base);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color .25s ease; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
input, textarea { font-family: inherit; font-size: 14px; }
ul, ol { list-style: none; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; position: relative; z-index: 2; }
.section { padding: var(--spacing-section) 0; position: relative; }
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 2px;
  color: var(--ice);
  text-transform: uppercase;
  margin-bottom: 12px;
}
.section-label::before { content: ''; width: 24px; height: 2px; background: linear-gradient(90deg, var(--primary), var(--magenta)); border-radius: 2px; }
.section-title { font-size: 32px; font-weight: 800; line-height: 1.3; letter-spacing: .5px; margin-bottom: 10px; }
.section-sub { font-size: 15px; color: var(--text-secondary); max-width: 560px; }
/* ========== Buttons ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 48px;
  padding: 0 28px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  transition: all .3s ease;
  outline: none;
  white-space: nowrap;
}
.btn:focus-visible { outline: 2px solid var(--ice); outline-offset: 3px; }
.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--magenta));
  color: #fff;
  box-shadow: 0 4px 20px rgba(124,58,237,.35);
}
.btn-primary:hover {
  filter: brightness(1.08);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(225,29,143,.4);
}
.btn-primary:active { transform: translateY(0); }
.btn-outline {
  background: transparent;
  border: 1.5px solid var(--ice);
  color: var(--ice);
}
.btn-outline:hover {
  background: rgba(34,211,238,.08);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(34,211,238,.15);
}
.btn-ghost { background: transparent; color: var(--text-secondary); height: 40px; padding: 0 16px; font-size: 14px; }
.btn-ghost:hover { color: var(--primary); }
/* ========== Tags & Badges ========== */
.tag {
  display: inline-block;
  padding: 4px 14px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 500;
  background: rgba(124,58,237,.15);
  color: #c4b5fd;
  line-height: 20px;
  letter-spacing: .3px;
}
.badge {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 14px 20px;
  border-radius: var(--radius-md);
  background: rgba(124,58,237,.12);
  border: 1px solid rgba(124,58,237,.25);
  text-align: center;
  min-width: 120px;
}
.badge .badge-num { font-family: var(--font-num); font-size: 26px; font-weight: 800; color: #fff; line-height: 1.2; }
.badge .badge-label { font-size: 12px; color: var(--text-secondary); }
.badge-hot { background: rgba(245,185,74,.1); border-color: rgba(245,185,74,.3); }
.badge-hot .badge-num { color: var(--amber); }
/* ========== Dock Navigation ========== */
.site-dock {
  position: sticky;
  top: 16px;
  z-index: 1000;
  max-width: 1200px;
  margin: 16px auto 0;
  padding: 0 24px;
}
.dock-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  background: var(--bg-float);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 10px 20px;
  box-shadow: 0 4px 24px rgba(0,0,0,.3);
  transition: box-shadow .3s ease, background .3s ease;
}
.site-dock.scrolled .dock-inner {
  background: rgba(15,20,28,.85);
  box-shadow: 0 8px 24px rgba(0,0,0,.5);
}
.dock-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: .5px;
  background: linear-gradient(120deg, #fff, #c4b5fd, #67e8f9);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  white-space: nowrap;
}
.dock-logo i { font-size: 18px; -webkit-text-fill-color: var(--primary); background: none; }
.dock-nav { display: flex; align-items: center; gap: 6px; }
.dock-nav a {
  position: relative;
  padding: 8px 18px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all .25s ease;
}
.dock-nav a:hover { color: var(--text-main); background: rgba(255,255,255,.05); }
.dock-nav a.active {
  color: #fff;
  background: linear-gradient(135deg, rgba(124,58,237,.25), rgba(225,29,143,.18));
}
.dock-nav a.active::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 50%;
  transform: translateX(-50%);
  width: 18px;
  height: 2px;
  background: var(--ice);
  border-radius: 2px;
}
.dock-search {
  display: flex;
  align-items: center;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 12px;
  padding: 0 4px 0 14px;
  height: 40px;
  min-width: 200px;
  transition: border-color .3s ease, box-shadow .3s ease;
}
.dock-search:focus-within {
  border-color: var(--ice);
  box-shadow: 0 0 0 3px rgba(34,211,238,.15);
}
.dock-search input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-main);
  font-size: 13px;
  height: 100%;
}
.dock-search input::placeholder { color: var(--text-disabled); }
.dock-search button {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  background: rgba(124,58,237,.2);
  color: #c4b5fd;
  font-size: 13px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background .2s ease;
}
.dock-search button:hover { background: rgba(124,58,237,.35); color: #fff; }
.dock-cta { height: 40px; padding: 0 22px; font-size: 14px; }
/* Mobile Dock */
.mobile-dock {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1100;
  height: 64px;
  background: rgba(15,20,28,.92);
  backdrop-filter: blur(16px);
  border-top: 1px solid var(--border);
  padding: 0 12px;
  box-shadow: 0 -4px 20px rgba(0,0,0,.4);
}
.mobile-dock-inner {
  display: flex;
  align-items: center;
  justify-content: space-around;
  height: 100%;
  max-width: 520px;
  margin: 0 auto;
}
.mobile-dock a {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  min-width: 56px;
  font-size: 11px;
  color: var(--text-secondary);
  transition: color .2s ease;
  min-height: 48px;
  justify-content: center;
}
.mobile-dock a i { font-size: 18px; }
.mobile-dock a.active { color: var(--ice); }
.mobile-dock a:hover { color: var(--text-main); }
/* ========== Hero ========== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-1.webp');
  background-size: cover;
  background-position: center;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(10,14,19,.95) 0%, rgba(10,14,19,.75) 45%, rgba(10,14,19,.35) 100%),
              linear-gradient(180deg, transparent 0%, rgba(10,14,19,.4) 70%, var(--bg-base) 100%);
}
.hero-content { max-width: 680px; position: relative; z-index: 2; }
.hero-badge-line {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(124,58,237,.15);
  border: 1px solid rgba(124,58,237,.3);
  border-radius: 999px;
  padding: 6px 16px;
  font-size: 13px;
  color: #d8b4fe;
  margin-bottom: 24px;
}
.hero-badge-line i { color: var(--ice); font-size: 12px; }
.hero h1 {
  font-size: 52px;
  font-weight: 900;
  line-height: 1.25;
  letter-spacing: .5px;
  margin-bottom: 20px;
  background: linear-gradient(120deg, #fff 40%, #e9d5ff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-sub {
  font-size: 18px;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 36px;
  max-width: 540px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 48px; }
.hero-badges {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 20px;
}
/* ========== Marquee Cards ========== */
.hscroll-wrap { position: relative; }
.hscroll {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 12px 4px 24px;
  -webkit-overflow-scrolling: touch;
}
.hscroll::-webkit-scrollbar { height: 4px; }
.hscroll::-webkit-scrollbar-track { background: rgba(255,255,255,.04); border-radius: 4px; }
.hscroll::-webkit-scrollbar-thumb { background: linear-gradient(90deg, var(--primary), var(--ice)); border-radius: 4px; }
.hscroll-card {
  flex: 0 0 280px;
  scroll-snap-align: start;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px;
  transition: all .3s ease;
  position: relative;
  overflow: hidden;
}
.hscroll-card:hover {
  transform: translateY(-6px);
  border-color: rgba(124,58,237,.4);
  box-shadow: var(--shadow-hover);
}
.hscroll-card .cover {
  width: 100%;
  height: 140px;
  object-fit: cover;
  border-radius: 12px;
  margin-bottom: 16px;
  transition: transform .4s ease;
}
.hscroll-card:hover .cover { transform: scale(1.03); }
.hscroll-card .card-title { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.hscroll-card .card-desc { font-size: 13px; color: var(--text-secondary); line-height: 1.6; margin-bottom: 14px; }
.hscroll-card .card-meta { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.hscroll-arrow {
  position: absolute;
  top: 42%;
  transform: translateY(-50%);
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(15,20,28,.8);
  border: 1px solid var(--border);
  color: var(--ice);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 5;
  opacity: 0;
  transition: opacity .3s ease, background .2s ease;
}
.hscroll-arrow:hover { background: rgba(124,58,237,.5); color: #fff; }
.hscroll-wrap:hover .hscroll-arrow { opacity: 1; }
.hscroll-prev { left: -16px; }
.hscroll-next { right: -16px; }
/* ========== Featured Grid (Hot) ========== */
.hot-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all .3s ease;
  display: flex;
  flex-direction: column;
  position: relative;
}
.hot-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); border-color: rgba(124,58,237,.35); }
.hot-card.featured { padding: 0; }
.hot-card.featured .cover { width: 100%; height: 320px; object-fit: cover; }
.hot-card.featured .card-body { padding: 28px; }
.hot-card.featured .card-title { font-size: 24px; font-weight: 800; margin-bottom: 12px; }
.hot-card.featured .card-desc { font-size: 14px; color: var(--text-secondary); line-height: 1.7; margin-bottom: 20px; }
.hot-card.mini { flex-direction: row; align-items: center; padding: 16px; gap: 16px; }
.hot-card.mini .cover { width: 96px; height: 96px; border-radius: 12px; object-fit: cover; flex-shrink: 0; }
.hot-card.mini .card-body { flex: 1; padding: 0; }
.hot-card.mini .card-title { font-size: 16px; font-weight: 700; margin-bottom: 6px; }
.hot-card.mini .card-time { font-size: 12px; color: var(--text-disabled); }
.hot-card.mini .badge-score { margin-left: auto; }
.score-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: rgba(245,185,74,.12);
  border: 1px solid rgba(245,185,74,.3);
  color: var(--amber);
  border-radius: 8px;
  padding: 4px 10px;
  font-size: 12px;
  font-weight: 600;
}
/* ========== Content Zone ========== */
.zone-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 32px;
}
.zone-num { font-family: var(--font-num); font-size: 20px; font-weight: 800; color: var(--primary); background: linear-gradient(135deg, var(--primary), var(--magenta)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.zone-all { color: var(--text-secondary); font-size: 14px; display: inline-flex; align-items: center; gap: 6px; transition: gap .3s ease; }
.zone-all:hover { color: var(--ice); gap: 10px; }
/* Zone A - wide/mixed */
.zone-a-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all .3s ease;
  height: 100%;
}
.zone-a-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: rgba(34,211,238,.3); }
.zone-a-card .cover { width: 100%; height: 180px; object-fit: cover; }
.zone-a-card .body { padding: 18px 20px; }
.zone-a-card .body .title { font-size: 17px; font-weight: 700; margin-bottom: 6px; line-height: 1.4; }
.zone-a-card .body .desc { font-size: 13px; color: var(--text-secondary); }
.zone-a-card.wide .cover { height: 260px; }
.zone-a-card.wide .title { font-size: 20px; }
/* Zone B - horizontal row */
.zone-b-row {
  display: flex;
  gap: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px;
  transition: all .3s ease;
  margin-bottom: 16px;
}
.zone-b-row:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: rgba(124,58,237,.3); }
.zone-b-row .cover { width: 180px; height: 120px; border-radius: 12px; object-fit: cover; flex-shrink: 0; }
.zone-b-row .info { flex: 1; display: flex; flex-direction: column; justify-content: center; }
.zone-b-row .info .title { font-size: 17px; font-weight: 700; margin-bottom: 8px; }
.zone-b-row .info .desc { font-size: 13px; color: var(--text-secondary); line-height: 1.6; margin-bottom: 10px; }
/* Zone C - compact queue */
.zone-c-item {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 18px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: all .3s ease;
  margin-bottom: 12px;
}
.zone-c-item:hover { background: rgba(124,58,237,.06); border-color: rgba(124,58,237,.3); transform: translateX(4px); }
.zone-c-item .idx { font-family: var(--font-num); font-size: 20px; font-weight: 800; color: var(--text-disabled); min-width: 36px; }
.zone-c-item .info { flex: 1; }
.zone-c-item .info .title { font-size: 15px; font-weight: 600; margin-bottom: 4px; }
.zone-c-item .info .desc { font-size: 13px; color: var(--text-secondary); }
.zone-c-item .arrow { color: var(--text-disabled); transition: all .3s ease; }
.zone-c-item:hover .arrow { color: var(--ice); transform: translateX(4px); }
/* ========== News / CMS ========== */
.news-grid { display: flex; gap: 24px; }
.news-feature {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: block;
  transition: all .3s ease;
  height: 100%;
}
.news-feature:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); border-color: rgba(124,58,237,.35); }
.news-feature .cover { width: 100%; height: 240px; object-fit: cover; }
.news-feature .body { padding: 24px; }
.news-feature .body .title { font-size: 22px; font-weight: 800; margin: 12px 0 10px; line-height: 1.4; }
.news-feature .body .desc { font-size: 14px; color: var(--text-secondary); line-height: 1.7; margin-bottom: 16px; }
.news-feature .body .meta { display: flex; align-items: center; gap: 12px; font-size: 13px; color: var(--text-disabled); }
.news-list { display: flex; flex-direction: column; gap: 12px; height: 100%; }
.news-item {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  transition: all .3s ease;
  min-height: 88px;
}
.news-item:hover { border-color: rgba(34,211,238,.3); background: var(--bg-secondary); transform: translateX(4px); }
.news-item .thumb { width: 80px; height: 80px; border-radius: 12px; object-fit: cover; flex-shrink: 0; }
.news-item .info { flex: 1; min-width: 0; }
.news-item .info .title { font-size: 15px; font-weight: 600; margin-bottom: 6px; line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-item .info .meta { display: flex; align-items: center; gap: 10px; font-size: 12px; color: var(--text-disabled); }
.news-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--bg-card);
  border: 1px dashed rgba(255,255,255,.12);
  border-radius: var(--radius-md);
  min-height: 240px;
  padding: 40px;
  text-align: center;
}
.news-empty .empty-icon {
  width: 56px; height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(124,58,237,.3), rgba(225,29,143,.2));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: #c4b5fd;
  margin-bottom: 14px;
}
.news-empty p { font-size: 16px; font-weight: 700; margin-bottom: 4px; }
.news-empty span { font-size: 13px; color: var(--text-secondary); }
/* ========== Data Wall ========== */
.data-wall {
  background: linear-gradient(120deg, rgba(124,58,237,.12), rgba(34,211,238,.08));
  border-radius: var(--radius-lg);
  padding: 48px 40px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  border: 1px solid var(--border);
}
.data-wall .stat {
  text-align: center;
  padding: 20px 12px;
  background: rgba(10,14,19,.5);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
}
.data-wall .stat .value { font-family: var(--font-num); font-size: 36px; font-weight: 900; background: linear-gradient(135deg, var(--ice), var(--primary)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; margin-bottom: 6px; }
.data-wall .stat .label { font-size: 13px; color: var(--text-secondary); }
/* ========== CTA ========== */
.cta-box {
  position: relative;
  background: linear-gradient(135deg, var(--primary), var(--magenta));
  border-radius: var(--radius-lg);
  padding: 60px 56px;
  overflow: hidden;
  text-align: center;
}
.cta-box::before {
  content: '';
  position: absolute;
  top: -30%;
  right: -10%;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: rgba(34,211,238,.15);
  filter: blur(80px);
}
.cta-box::after {
  content: '';
  position: absolute;
  bottom: -40%;
  left: -5%;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: rgba(255,255,255,.08);
  filter: blur(60px);
}
.cta-box .cta-content { position: relative; z-index: 2; max-width: 540px; margin: 0 auto; }
.cta-box h2 { font-size: 30px; font-weight: 900; margin-bottom: 12px; letter-spacing: .5px; }
.cta-box p { font-size: 15px; color: rgba(255,255,255,.8); margin-bottom: 32px; line-height: 1.7; }
.cta-box .cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.cta-box .btn-primary { background: #fff; color: var(--primary); box-shadow: 0 4px 20px rgba(0,0,0,.25); }
.cta-box .btn-primary:hover { filter: brightness(.97); }
.cta-box .btn-outline { border-color: rgba(255,255,255,.7); color: #fff; }
.cta-box .btn-outline:hover { background: rgba(255,255,255,.12); }
.cta-contact { margin-top: 24px; font-size: 13px; color: rgba(255,255,255,.6); display: flex; gap: 20px; justify-content: center; flex-wrap: wrap; }
/* ========== FAQ ========== */
.faq-wrap { max-width: 820px; margin: 0 auto; }
.accordion .accordion-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  margin-bottom: 14px;
  overflow: hidden;
  transition: border-color .3s ease;
}
.accordion .accordion-item:hover { border-color: rgba(124,58,237,.3); }
.accordion .accordion-item.is-active { border-color: rgba(124,58,237,.4); }
.accordion .accordion-title {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-main);
  cursor: pointer;
  position: relative;
  min-height: 56px;
}
.accordion .accordion-title::before,
.accordion .accordion-title::after {
  content: '';
  position: absolute;
  right: 24px;
  top: 50%;
  width: 14px;
  height: 2px;
  background: var(--ice);
  border-radius: 2px;
  transition: transform .3s ease;
}
.accordion .accordion-title::after {
  transform: rotate(90deg);
}
.accordion .accordion-item.is-active .accordion-title::after {
  transform: rotate(0deg);
}
.accordion .accordion-content {
  padding: 0 24px 22px;
  border-left: 3px solid var(--primary);
  margin-left: 24px;
  padding-left: 20px;
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.7;
  background: var(--bg-secondary);
  border-radius: 12px;
  margin-right: 24px;
  margin-bottom: 16px;
  padding-top: 6px;
  padding-bottom: 16px;
}
/* ========== Footer ========== */
.site-footer {
  background: #080B10;
  border-top: 2px solid;
  border-image: linear-gradient(90deg, var(--primary), var(--magenta), var(--ice)) 1;
  padding: 64px 0 28px;
  margin-top: 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.footer-brand p { font-size: 14px; color: var(--text-secondary); line-height: 1.7; margin-top: 14px; max-width: 300px; }
.footer-col h4 { font-size: 14px; font-weight: 700; margin-bottom: 18px; color: #fff; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul a { font-size: 14px; color: var(--text-secondary); transition: color .2s ease; display: inline-flex; align-items: center; gap: 6px; }
.footer-col ul a:hover { color: var(--ice); }
.footer-subscribe { display: flex; gap: 10px; margin-top: 14px; }
.footer-subscribe input {
  flex: 1;
  height: 44px;
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius-sm);
  padding: 0 16px;
  color: var(--text-main);
  outline: none;
  transition: border-color .3s ease;
}
.footer-subscribe input:focus { border-color: var(--ice); }
.footer-subscribe button {
  height: 44px;
  padding: 0 18px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--primary), var(--magenta));
  color: #fff;
  font-weight: 600;
  transition: filter .2s ease;
}
.footer-subscribe button:hover { filter: brightness(1.1); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  font-size: 12px;
  color: var(--text-disabled);
  flex-wrap: wrap;
  gap: 12px;
}
.footer-bottom a { color: var(--text-disabled); }
.footer-bottom a:hover { color: var(--ice); }
/* ========== Responsive ========== */
@media (max-width: 1024px) {
  :root { --spacing-section: 64px; }
  .section-title { font-size: 26px; }
  .hero h1 { font-size: 40px; }
  .dock-search { display: none; }
  .data-wall { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .container { padding: 0 16px; }
  .site-dock { top: 0; margin-top: 0; padding: 8px 12px; }
  .dock-inner { padding: 8px 14px; border-radius: 14px; }
  .dock-logo { font-size: 17px; }
  .dock-logo span { display: none; }
  .dock-nav { display: none; }
  .dock-cta { display: none; }
  .mobile-dock { display: block; }
  body { padding-bottom: 64px; }
  .hero { min-height: 80vh; padding: 80px 0 48px; }
  .hero h1 { font-size: 32px; }
  .hero-sub { font-size: 15px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { width: 100%; }
  .hero-badges { flex-wrap: nowrap; overflow-x: auto; gap: 10px; padding-bottom: 10px; }
  .badge { min-width: 96px; padding: 10px 12px; }
  .badge .badge-num { font-size: 20px; }
  .hscroll-card { flex: 0 0 220px; }
  .zone-header { flex-direction: column; align-items: flex-start; gap: 6px; }
  .zone-b-row { flex-direction: column; }
  .zone-b-row .cover { width: 100%; height: 160px; }
  .news-grid { flex-direction: column; }
  .news-item { min-height: 76px; }
  .news-item .thumb { width: 60px; height: 60px; }
  .data-wall { grid-template-columns: 1fr 1fr; padding: 24px 16px; gap: 14px; }
  .cta-box { padding: 40px 24px; }
  .cta-box h2 { font-size: 22px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}
@media (max-width: 520px) {
  .hero h1 { font-size: 28px; }
  .section-title { font-size: 22px; }
  .data-wall .stat .value { font-size: 26px; }
  .footer-subscribe { flex-direction: column; }
}

/* roulang page: category1 */
:root {
  --primary: #7C3AED;
  --primary-2: #E11D8F;
  --accent: #22D3EE;
  --amber: #F5B94A;
  --bg: #0A0E13;
  --bg-2: #11161D;
  --card: #171D26;
  --text: #F2F6FA;
  --text-2: #9AA8B8;
  --muted: #5C6B7A;
  --border: rgba(255,255,255,0.08);
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --shadow: 0 4px 16px rgba(0,0,0,0.35);
  --shadow-hover: 0 12px 32px rgba(124,58,237,0.18);
  --spacing-lg: 96px;
  --spacing-md: 64px;
  --font: 'PingFang SC','Microsoft YaHei','Noto Sans SC','Inter',-apple-system,BlinkMacSystemFont,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:var(--font);font-size:16px;line-height:1.7;color:var(--text);
  background:var(--bg);-webkit-font-smoothing:antialiased;overflow-x:hidden;
}
a{color:var(--accent);text-decoration:none;transition:color .25s ease}
a:hover{color:var(--accent)}
img{max-width:100%;display:block}
input,button,textarea{font-family:inherit}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:var(--spacing-lg) 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:36px;gap:24px;flex-wrap:wrap}
.section-head h2{font-size:32px;font-weight:800;margin:0;letter-spacing:.5px}
.section-head .section-sub{color:var(--text-2);font-size:14px;margin-top:6px}
.section-link{color:var(--text-2);font-size:14px;display:inline-flex;align-items:center;gap:6px;transition:color .25s ease}
.section-link i{transition:transform .25s ease}
.section-link:hover{color:var(--accent)}
.section-link:hover i{transform:translateX(4px)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;border:none;cursor:pointer;
  border-radius:var(--radius-sm);font-weight:600;line-height:1;transition:all .25s ease;text-decoration:none;
}
.btn:focus-visible{outline:3px solid rgba(34,211,238,.4);outline-offset:2px}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#fff;
  padding:14px 28px;font-size:15px;box-shadow:0 4px 16px rgba(124,58,237,.3);
}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 8px 24px rgba(124,58,237,.4);filter:brightness(1.05)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{
  background:transparent;border:1.5px solid var(--accent);color:var(--accent);
  padding:13px 26px;font-size:15px;
}
.btn-outline:hover{background:rgba(34,211,238,.08);color:var(--accent);transform:translateY(-2px)}
.btn-outline:active{transform:translateY(0)}
.btn-sm{padding:9px 18px;font-size:13px;height:38px}

/* Dock 导航 */
.site-dock{
  position:fixed;top:16px;left:50%;transform:translateX(-50%);z-index:1000;
  width:min(1200px,calc(100% - 32px));
  background:rgba(15,20,28,.72);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border:1px solid var(--border);border-radius:20px;padding:12px 20px;
  box-shadow:0 4px 16px rgba(0,0,0,.35);transition:box-shadow .3s ease,background .3s ease;
}
.site-dock.scrolled{box-shadow:0 8px 24px rgba(0,0,0,.5);background:rgba(15,20,28,.85)}
.dock-inner{display:flex;align-items:center;gap:20px}
.dock-logo{display:inline-flex;align-items:center;gap:8px;font-size:18px;font-weight:800;color:var(--text);letter-spacing:.3px;white-space:nowrap}
.dock-logo i{color:var(--accent);font-size:18px}
.dock-logo:hover{color:var(--text)}
.dock-nav{display:flex;align-items:center;gap:4px;flex:1}
.dock-nav a{
  padding:8px 16px;border-radius:10px;color:var(--text-2);font-size:15px;font-weight:500;
  transition:color .25s ease,background .25s ease;position:relative;white-space:nowrap;
}
.dock-nav a:hover{color:var(--text)}
.dock-nav a.active{color:#fff;background:linear-gradient(135deg,rgba(124,58,237,.25),rgba(225,29,143,.2))}
.dock-search{
  display:flex;align-items:center;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);
  border-radius:12px;padding:0 12px;height:40px;width:220px;transition:border-color .25s ease,box-shadow .25s ease;
}
.dock-search:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px rgba(34,211,238,.15)}
.dock-search input{background:transparent;border:none;outline:none;color:var(--text);font-size:14px;width:100%}
.dock-search input::placeholder{color:var(--muted)}
.dock-search button{background:transparent;border:none;color:var(--text-2);cursor:pointer;padding:6px;font-size:14px}
.dock-search button:hover{color:var(--accent)}
.dock-cta{height:40px;padding:0 20px;font-size:14px}

/* 分类 Hero */
.cat-hero{
  position:relative;min-height:520px;display:flex;align-items:center;margin-top:84px;
  background:linear-gradient(180deg,rgba(10,14,19,.82) 0%,rgba(10,14,19,.72) 50%,var(--bg) 100%),url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  padding:80px 0 72px;overflow:hidden;
}
.cat-hero::after{
  content:'';position:absolute;right:-120px;top:40px;width:360px;height:360px;border-radius:50%;
  background:radial-gradient(circle,rgba(124,58,237,.16),transparent 70%);pointer-events:none;
}
.cat-hero .container{position:relative;z-index:2}
.cat-kicker{
  display:inline-flex;align-items:center;gap:8px;padding:6px 16px;border-radius:999px;
  background:rgba(34,211,238,.1);color:var(--accent);font-size:13px;font-weight:600;letter-spacing:.5px;margin-bottom:20px;
  border:1px solid rgba(34,211,238,.25);
}
.cat-hero h1{
  font-size:52px;font-weight:900;line-height:1.15;margin:0 0 16px;letter-spacing:.5px;
  background:linear-gradient(120deg,#fff 40%,var(--accent) 100%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}
.cat-hero .hero-desc{font-size:18px;color:var(--text-2);max-width:620px;line-height:1.7;margin:0 0 36px}
.hero-stats{display:flex;gap:16px;flex-wrap:wrap}
.stat-badge{
  background:rgba(124,58,237,.12);border:1px solid rgba(124,58,237,.3);border-radius:16px;
  padding:14px 20px;display:flex;flex-direction:column;min-width:120px;position:relative;overflow:hidden;
}
.stat-badge::before{content:'';position:absolute;inset:0;border-radius:16px;padding:1px;background:linear-gradient(135deg,rgba(124,58,237,.5),rgba(225,29,143,.3));-webkit-mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);-webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none}
.stat-label{font-size:12px;color:var(--text-2);margin-bottom:4px}
.stat-num{font-size:24px;font-weight:800;color:var(--text);line-height:1.2}
.stat-badge.hot .stat-num{color:var(--amber)}

/* 精选内容区 */
.featured-section{background:var(--bg);padding:var(--spacing-lg) 0 var(--spacing-md)}
.featured-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.num-card{
  background:var(--card);border:1px solid rgba(255,255,255,.06);border-radius:var(--radius-md);
  overflow:hidden;position:relative;transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
  display:flex;flex-direction:column;
}
.num-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);border-color:rgba(124,58,237,.35)}
.num-card .num-pic{position:relative;height:180px;overflow:hidden}
.num-card .num-pic img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.num-card:hover .num-pic img{transform:scale(1.03)}
.num-card .num-overlay{position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(10,14,19,.6))}
.num-index{
  position:absolute;top:14px;left:14px;width:44px;height:44px;border-radius:12px;
  background:rgba(10,14,19,.6);backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;
  font-size:18px;font-weight:800;color:var(--accent);border:1px solid rgba(34,211,238,.3);
}
.num-tag{
  position:absolute;bottom:14px;left:14px;padding:4px 12px;border-radius:999px;
  background:rgba(124,58,237,.85);color:#fff;font-size:12px;font-weight:600;
}
.num-body{padding:20px;display:flex;flex-direction:column;flex:1}
.num-meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted);margin-bottom:10px}
.num-body h3{font-size:19px;font-weight:700;margin:0 0 10px;line-height:1.4;color:var(--text)}
.num-body p{font-size:14px;color:var(--text-2);line-height:1.6;margin:0 0 16px;flex:1}
.num-foot{display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--border);padding-top:14px}
.num-foot a{font-size:14px;color:var(--accent);display:inline-flex;align-items:center;gap:6px}
.num-foot a i{transition:transform .25s ease}
.num-foot a:hover i{transform:translateX(4px)}
.note-bar{
  display:inline-flex;align-items:center;gap:8px;background:rgba(245,185,74,.08);
  border:1px solid rgba(245,185,74,.2);border-radius:10px;padding:8px 16px;
  font-size:12px;color:var(--amber);margin-top:28px;
}

/* 分类介绍区 */
.intro-section{background:var(--bg-2);padding:var(--spacing-lg) 0;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.intro-grid{display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center}
.intro-copy h2{font-size:32px;font-weight:800;margin:0 0 16px}
.intro-copy .lead{font-size:16px;color:var(--text-2);line-height:1.75;margin-bottom:24px}
.point-list{list-style:none;padding:0;margin:0 0 32px}
.point-list li{display:flex;align-items:flex-start;gap:12px;padding:12px 0;border-bottom:1px solid var(--border)}
.point-list li:last-child{border-bottom:none}
.point-list i{color:var(--accent);font-size:16px;margin-top:5px;flex-shrink:0}
.point-list strong{display:block;font-size:15px;color:var(--text);margin-bottom:2px}
.point-list span{font-size:13px;color:var(--text-2);line-height:1.5}
.intro-stats{display:flex;flex-direction:column;gap:20px}
.intro-media{
  border-radius:var(--radius-lg);overflow:hidden;position:relative;box-shadow:var(--shadow);
}
.intro-media img{width:100%;height:100%;object-fit:cover}
.intro-media::after{content:'';position:absolute;inset:0;border-radius:var(--radius-lg);box-shadow:inset 0 0 0 1px rgba(255,255,255,.06)}
.intro-media figcaption{
  position:absolute;bottom:0;left:0;right:0;padding:40px 24px 16px;font-size:13px;color:rgba(245,246,250,.85);
  background:linear-gradient(transparent,rgba(10,14,19,.85));z-index:2;
}
.intro-badges{display:flex;gap:16px;flex-wrap:wrap}

/* CTA */
.cat-cta{position:relative;padding:80px 0}
.cta-card{
  border-radius:var(--radius-lg);padding:64px 56px;background:linear-gradient(135deg,#171D26 0%,#1a1426 45%,#1d1030 100%);
  overflow:hidden;position:relative;border:1px solid rgba(124,58,237,.25);text-align:center;
}
.cta-card::before{content:'';position:absolute;top:-80px;right:-80px;width:300px;height:300px;border-radius:50%;background:radial-gradient(circle,rgba(124,58,237,.25),transparent 65%);pointer-events:none}
.cta-card::after{content:'';position:absolute;bottom:-100px;left:20%;width:260px;height:260px;border-radius:50%;background:radial-gradient(circle,rgba(34,211,238,.12),transparent 65%);pointer-events:none}
.cta-card .cta-inner{position:relative;z-index:2;max-width:680px;margin:0 auto;display:flex;flex-direction:column;align-items:center}
.cta-card h2{font-size:34px;font-weight:800;margin:0 0 14px}
.cta-card p{color:var(--text-2);font-size:16px;line-height:1.7;margin:0 0 28px}
.cta-actions{display:flex;gap:16px;flex-wrap:wrap;justify-content:center;margin-bottom:20px}
.cta-contact{font-size:13px;color:var(--muted)}
.cta-contact a{color:var(--text-2);margin:0 8px}
.cta-contact a:hover{color:var(--accent)}

/* FAQ */
.faq-section{background:var(--bg-2);padding:var(--spacing-lg) 0;border-top:1px solid var(--border)}
.faq-wrap{max-width:820px;margin:0 auto}
.accordion{list-style:none;margin:0;padding:0;background:transparent;border:none}
.accordion-item{
  background:var(--card);border:1px solid rgba(255,255,255,.06);border-radius:var(--radius-md);
  margin-bottom:16px;overflow:hidden;transition:border-color .3s ease;
}
.accordion-item .accordion-title{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:22px 24px;font-size:16px;font-weight:700;color:var(--text);
  background:transparent;border:none;cursor:pointer;line-height:1.4;
}
.accordion-item .accordion-title:hover{background:rgba(124,58,237,.06)}
.accordion-item .accordion-title i{
  font-size:14px;color:var(--accent);transition:transform .3s ease;flex-shrink:0;
}
.accordion-item.is-active>.accordion-title i{transform:rotate(45deg)}
.accordion-item.is-active{border-color:rgba(124,58,237,.35)}
.accordion-content{
  background:var(--bg-2)!important;border-left:3px solid var(--primary);border-top-left-radius:0;border-top-right-radius:0;
  padding:0 24px 22px!important;color:var(--text-2)!important;font-size:14px;line-height:1.7;
  border-bottom-left-radius:var(--radius-md);border-bottom-right-radius:var(--radius-md);
}

/* 页脚 */
.site-footer{background:#080B10;padding:72px 0 0;border-top:2px solid transparent;background-image:linear-gradient(#080B10,#080B10),linear-gradient(90deg,var(--primary),var(--primary-2),var(--accent));background-origin:border-box;background-clip:content-box,border-box}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:48px;padding-bottom:48px}
.footer-brand p{font-size:13px;color:var(--text-2);line-height:1.6;margin-top:14px;max-width:320px}
.footer-col h4{font-size:14px;font-weight:700;color:var(--text);margin:0 0 16px}
.footer-col ul{list-style:none;padding:0;margin:0}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{color:var(--text-2);font-size:14px;transition:color .25s ease}
.footer-col ul a:hover{color:var(--accent)}
.footer-col ul i{font-size:11px;margin-right:6px;color:var(--muted)}
.footer-subscribe{display:flex;gap:8px;margin-top:16px}
.footer-subscribe input{
  flex:1;min-width:0;height:40px;border-radius:10px;background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.1);padding:0 14px;color:var(--text);font-size:13px;
}
.footer-subscribe input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(34,211,238,.12)}
.footer-subscribe button{
  height:40px;padding:0 18px;border-radius:10px;background:linear-gradient(135deg,var(--primary),var(--primary-2));
  color:#fff;border:none;font-size:13px;font-weight:600;cursor:pointer;transition:filter .25s ease,transform .25s ease;
}
.footer-subscribe button:hover{filter:brightness(1.08);transform:translateY(-1px)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.06);padding:20px 0;display:flex;align-items:center;justify-content:space-between;
  font-size:12px;color:var(--muted);flex-wrap:wrap;gap:8px;
}
.footer-bottom a{color:var(--muted)}
.footer-bottom a:hover{color:var(--accent)}

/* 响应式 */
@media (max-width:1024px){
  .featured-grid{grid-template-columns:repeat(2,1fr)}
  .intro-grid{grid-template-columns:1fr;gap:36px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .dock-search{width:180px}
  .dock-nav a{padding:8px 12px}
}
@media (max-width:768px){
  .section{padding:60px 0}
  .cat-hero{min-height:auto;padding:60px 0;margin-top:76px}
  .cat-hero h1{font-size:32px}
  .cat-hero .hero-desc{font-size:15px}
  .site-dock{top:auto;bottom:12px;left:50%;transform:translateX(-50%);width:calc(100% - 24px);padding:8px 12px;border-radius:18px}
  .dock-inner{gap:8px}
  .dock-logo{font-size:15px}
  .dock-logo i{font-size:15px}
  .dock-search{display:none}
  .dock-nav{flex:1;overflow-x:auto;scrollbar-width:none;display:flex;gap:2px;margin-left:4px}
  .dock-nav::-webkit-scrollbar{display:none}
  .dock-nav a{padding:6px 10px;font-size:13px}
  .dock-cta{width:38px;height:38px;padding:0;font-size:14px}
  .dock-cta span{display:none}
  .featured-grid{grid-template-columns:1fr}
  .num-card .num-pic{height:200px}
  .hero-stats{flex-direction:column;width:100%}
  .stat-badge{min-width:100%}
  .section-head h2{font-size:24px}
  .cta-card{padding:44px 24px}
  .cta-card h2{font-size:26px}
  .cta-actions{flex-direction:column;width:100%}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .footer-bottom{flex-direction:column;text-align:center}
  .intro-badges .stat-badge{min-width:140px}
  .container{padding:0 20px}
}
@media (max-width:520px){
  .featured-grid{grid-template-columns:1fr}
  .dock-cta{display:none}
  .dock-nav{justify-content:flex-end}
  .section-head{flex-direction:column;align-items:flex-start}
  .num-index{width:38px;height:38px;font-size:15px}
  .intro-media{min-height:220px}
  .intro-media img{height:100%}
}

/* roulang page: article */
:root {
  --brand-purple: #7C3AED;
  --brand-pink: #E11D8F;
  --brand-gradient: linear-gradient(135deg, #7C3AED 0%, #E11D8F 100%);
  --accent-cyan: #22D3EE;
  --bg-base: #0A0E13;
  --bg-section: #11161D;
  --bg-card: #171D26;
  --bg-dock: rgba(15,20,28,0.72);
  --text-primary: #F2F6FA;
  --text-secondary: #9AA8B8;
  --text-muted: #5C6B7A;
  --border-light: rgba(255,255,255,0.08);
  --border-hover: rgba(124,58,237,0.35);
  --amber: #F5B94A;
  --success: #34D399;
  --warning: #FBBF24;
  --error: #F87171;
  --radius-large: 24px;
  --radius-medium: 16px;
  --radius-small: 12px;
  --shadow-card: 0 4px 16px rgba(0,0,0,0.35);
  --shadow-hover: 0 12px 32px rgba(124,58,237,0.18);
  --font-main: 'PingFang SC','Microsoft YaHei','Noto Sans SC',sans-serif;
  --font-number: 'Inter','DIN Alternate',sans-serif;
  --section-space: 90px;
  --section-space-mobile: 56px;
}
*, *::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(--text-primary);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}
a {
  color: inherit;
  text-decoration: none;
  transition: color 0.3s ease;
}
button, input, textarea {
  font-family: inherit;
  border: none;
  outline: none;
  background: none;
  color: inherit;
}
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
.text-center {
  text-align: center;
}
:focus-visible {
  outline: 2px solid var(--accent-cyan);
  outline-offset: 2px;
}
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: var(--bg-base);
}
::-webkit-scrollbar-thumb {
  background: var(--brand-purple);
  border-radius: 3px;
}

/* ========== 按钮 ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 600;
  height: 46px;
  padding: 0 26px;
  border-radius: var(--radius-small);
  cursor: pointer;
  transition: all 0.3s ease;
  white-space: nowrap;
  border: 1.5px solid transparent;
}
.btn-primary {
  background: var(--brand-gradient);
  color: #fff;
  box-shadow: 0 4px 14px rgba(124,58,237,0.25);
}
.btn-primary:hover {
  filter: brightness(1.08);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(124,58,237,0.35);
}
.btn-primary:active {
  transform: translateY(1px);
}
.btn-outline {
  background: transparent;
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
}
.btn-outline:hover {
  background: rgba(34,211,238,0.08);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(34,211,238,0.12);
}
.btn-outline:active {
  transform: translateY(1px);
}

/* ========== 导航 Dock ========== */
.site-dock {
  position: fixed;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  width: min(1200px, calc(100% - 32px));
  z-index: 1000;
  background: var(--bg-dock);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-light);
  border-radius: 20px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.35);
  transition: background 0.3s, box-shadow 0.3s;
}
.site-dock.scrolled {
  background: rgba(15,20,28,0.85);
  box-shadow: 0 8px 24px rgba(0,0,0,0.5);
}
.dock-inner {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 12px 20px;
}
.dock-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: 0.3px;
  flex-shrink: 0;
}
.dock-logo i {
  color: var(--accent-cyan);
  font-size: 20px;
}
.dock-logo:hover {
  color: var(--accent-cyan);
}
.dock-nav {
  display: flex;
  align-items: center;
  gap: 6px;
  flex: 1;
  margin-left: 12px;
}
.dock-nav a {
  position: relative;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 8px 14px;
  border-radius: 10px;
  transition: all 0.3s ease;
}
.dock-nav a:hover {
  color: var(--text-primary);
  background: rgba(255,255,255,0.04);
}
.dock-nav a.active {
  color: var(--text-primary);
  background: rgba(124,58,237,0.15);
}
.dock-nav a.active::after {
  content: '';
  position: absolute;
  bottom: 3px;
  left: 50%;
  transform: translateX(-50%);
  width: 18px;
  height: 3px;
  border-radius: 3px;
  background: var(--brand-gradient);
}
.dock-search {
  display: flex;
  align-items: center;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-small);
  padding: 0 6px 0 14px;
  height: 40px;
  width: 220px;
  transition: border-color 0.3s;
}
.dock-search:focus-within {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 3px rgba(34,211,238,0.15);
}
.dock-search input {
  flex: 1;
  font-size: 13px;
  color: var(--text-primary);
  background: transparent;
  height: 100%;
}
.dock-search input::placeholder {
  color: var(--text-muted);
}
.dock-search button {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: color 0.3s;
}
.dock-search button:hover {
  color: var(--accent-cyan);
}
.dock-cta {
  flex-shrink: 0;
  height: 40px;
  padding: 0 20px;
  font-size: 14px;
}

/* ========== 面包屑 ========== */
.breadcrumb-wrap {
  padding: 100px 0 0;
  background: linear-gradient(180deg, rgba(17,22,29,0.85) 0%, var(--bg-base) 100%);
}
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--text-secondary);
  padding: 20px 24px;
}
.breadcrumb a {
  color: var(--text-secondary);
  transition: color 0.3s;
}
.breadcrumb a:hover {
  color: var(--accent-cyan);
}
.breadcrumb i {
  font-size: 12px;
  color: var(--text-muted);
}
.breadcrumb .current {
  color: var(--text-primary);
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 400px;
}

/* ========== 文章头部 ========== */
.article-head {
  padding: 40px 0 20px;
}
.article-head-inner {
  max-width: 860px;
  margin: 0 auto;
  text-align: center;
}
.article-cat-badge {
  display: inline-block;
  background: rgba(124,58,237,0.15);
  color: #C4B5FD;
  font-size: 13px;
  font-weight: 600;
  padding: 5px 14px;
  border-radius: 999px;
  margin-bottom: 18px;
  border: 1px solid rgba(124,58,237,0.25);
}
.article-title {
  font-size: 42px;
  font-weight: 900;
  line-height: 1.3;
  letter-spacing: 0.5px;
  color: var(--text-primary);
  margin-bottom: 18px;
}
.article-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  flex-wrap: wrap;
  font-size: 14px;
  color: var(--text-secondary);
}
.article-meta span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.article-meta i {
  color: var(--text-muted);
  font-size: 15px;
}

/* ========== 封面图 ========== */
.article-cover {
  max-width: 960px;
  margin: 0 auto;
  padding: 20px 24px 0;
}
.article-cover img {
  width: 100%;
  height: 460px;
  object-fit: cover;
  border-radius: var(--radius-large);
  box-shadow: 0 16px 40px rgba(0,0,0,0.4);
}

/* ========== 正文阅读区 ========== */
.article-body {
  max-width: 780px;
  margin: 0 auto;
  padding: 40px 24px 50px;
}
.article-body p {
  font-size: 16px;
  line-height: 1.8;
  color: #D6E0E8;
  margin-bottom: 1.1em;
}
.article-body h2 {
  font-size: 26px;
  font-weight: 800;
  margin: 1.6em 0 0.5em;
  padding-left: 14px;
  border-left: 4px solid var(--brand-purple);
  color: var(--text-primary);
  line-height: 1.4;
}
.article-body h3 {
  font-size: 20px;
  font-weight: 700;
  margin: 1.3em 0 0.5em;
  color: var(--text-primary);
  line-height: 1.5;
}
.article-body h4 {
  font-size: 17px;
  font-weight: 700;
  margin: 1.2em 0 0.4em;
  color: var(--text-primary);
}
.article-body blockquote {
  border-left: 4px solid var(--brand-purple);
  background: var(--bg-section);
  padding: 18px 22px;
  border-radius: 12px;
  margin: 1.6em 0;
  color: var(--text-secondary);
  font-style: italic;
  font-size: 15px;
  line-height: 1.7;
}
.article-body blockquote p {
  margin-bottom: 0.5em;
  color: inherit;
  font-size: inherit;
}
.article-body img {
  border-radius: 12px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
  margin: 24px auto;
}
.article-body ul,
.article-body ol {
  margin: 1em 0;
  padding-left: 1.5em;
  color: var(--text-secondary);
  font-size: 16px;
  line-height: 1.8;
}
.article-body li {
  margin-bottom: 0.5em;
}
.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.8em 0;
  background: var(--bg-section);
  border-radius: 12px;
  overflow: hidden;
  font-size: 15px;
}
.article-body table th {
  background: #1E2530;
  color: var(--text-primary);
  padding: 12px 16px;
  font-weight: 600;
  text-align: left;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.article-body table td {
  padding: 10px 16px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  color: var(--text-secondary);
}
.article-body table tr:last-child td {
  border-bottom: none;
}
.article-body pre {
  background: var(--bg-section);
  border: 1px solid var(--border-light);
  border-radius: 12px;
  padding: 18px 22px;
  overflow-x: auto;
  font-family: 'SFMono-Regular', Consolas, monospace;
  font-size: 14px;
  line-height: 1.6;
  color: #D6E0E8;
  margin: 1.5em 0;
}
.article-body code {
  font-family: 'SFMono-Regular', Consolas, monospace;
  font-size: 14px;
  background: rgba(255,255,255,0.08);
  padding: 2px 6px;
  border-radius: 4px;
  color: var(--accent-cyan);
}
.article-body pre code {
  background: transparent;
  padding: 0;
  color: inherit;
}
.article-body a {
  color: var(--accent-cyan);
  border-bottom: 1px dashed rgba(34,211,238,0.4);
  transition: border-color 0.3s;
}
.article-body a:hover {
  border-bottom-color: var(--accent-cyan);
}

/* ========== 空态 ========== */
.article-empty {
  text-align: center;
  padding: 70px 24px;
  background: var(--bg-section);
  border-radius: var(--radius-large);
  border: 1px solid var(--border-light);
}
.article-empty i {
  font-size: 48px;
  color: var(--brand-purple);
  margin-bottom: 20px;
  display: block;
}
.article-empty h2 {
  font-size: 24px;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 10px;
}
.article-empty p {
  color: var(--text-secondary);
  font-size: 15px;
  margin-bottom: 24px;
}

/* ========== 文章底部（标签/分享） ========== */
.article-footer-bar {
  max-width: 780px;
  margin: 0 auto;
  padding: 30px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  border-top: 1px solid var(--border-light);
}
.article-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.tag {
  display: inline-block;
  background: rgba(124,58,237,0.12);
  color: #C4B5FD;
  font-size: 13px;
  font-weight: 500;
  padding: 5px 14px;
  border-radius: 999px;
  border: 1px solid rgba(124,58,237,0.18);
  transition: all 0.3s ease;
}
.tag:hover {
  background: rgba(124,58,237,0.22);
  color: #fff;
  border-color: rgba(124,58,237,0.4);
}
.article-share {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--text-secondary);
}
.article-share a {
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(255,255,255,0.05);
  color: var(--text-secondary);
  border: 1px solid var(--border-light);
  transition: all 0.3s ease;
  font-size: 15px;
}
.article-share a:hover {
  color: var(--accent-cyan);
  border-color: var(--accent-cyan);
  background: rgba(34,211,238,0.1);
  transform: translateY(-2px);
}

/* ========== 上下篇导航 ========== */
.article-pagination {
  max-width: 780px;
  margin: 0 auto;
  padding: 0 24px 40px;
  gap: 16px;
}
.page-link {
  display: flex;
  flex-direction: column;
  gap: 6px;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-medium);
  padding: 18px 22px;
  height: 100%;
  transition: all 0.3s ease;
}
.page-link:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px);
}
.page-link .dir {
  font-size: 12px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.page-link .txt {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.page-link.next {
  text-align: right;
}

/* ========== 相关推荐 ========== */
.related-section {
  padding: 60px 0 20px;
  background: linear-gradient(180deg, transparent 0%, rgba(17,22,29,0.4) 100%);
}
.section-head {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 32px;
}
.section-num {
  font-family: var(--font-number);
  font-size: 15px;
  font-weight: 800;
  color: var(--brand-purple);
  background: rgba(124,58,237,0.12);
  padding: 3px 10px;
  border-radius: 8px;
}
.section-head h2 {
  font-size: 28px;
  font-weight: 800;
  color: var(--text-primary);
  margin: 0;
}
.view-all {
  margin-left: auto;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap 0.3s, color 0.3s;
}
.view-all:hover {
  color: var(--accent-cyan);
  gap: 10px;
}
.rel-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-medium);
  overflow: hidden;
  transition: all 0.3s ease;
  height: 100%;
  display: flex;
  flex-direction: column;
}
.rel-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: var(--border-hover);
}
.rel-cover {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
}
.rel-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.rel-card:hover .rel-cover img {
  transform: scale(1.03);
}
.rel-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  background: rgba(0,0,0,0.65);
  backdrop-filter: blur(8px);
  color: var(--amber);
  font-family: var(--font-number);
  font-size: 13px;
  font-weight: 800;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(245,185,74,0.4);
}
.rel-info {
  padding: 20px 22px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.rel-info .tag {
  align-self: flex-start;
  font-size: 12px;
  padding: 3px 10px;
}
.rel-info h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.45;
}
.rel-info p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0;
}

/* ========== 返回入口 ========== */
.back-entry {
  padding: 40px 24px 70px;
}
.back-entry .btn {
  min-width: 160px;
}

/* ========== 页脚 ========== */
.site-footer {
  background: #080B10;
  border-top: 2px solid transparent;
  border-image: linear-gradient(90deg, var(--brand-purple), var(--brand-pink), var(--accent-cyan)) 1;
  padding: 70px 0 30px;
  position: relative;
  z-index: 10;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.3fr;
  gap: 40px;
  margin-bottom: 50px;
}
.footer-brand .dock-logo {
  font-size: 20px;
  margin-bottom: 16px;
}
.footer-brand p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 320px;
}
.footer-col h4 {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 18px;
  letter-spacing: 0.3px;
}
.footer-col ul {
  list-style: none;
  padding: 0;
}
.footer-col ul li {
  margin-bottom: 10px;
}
.footer-col ul a {
  font-size: 14px;
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: color 0.3s, transform 0.3s;
}
.footer-col ul a:hover {
  color: var(--accent-cyan);
  transform: translateX(4px);
}
.footer-col ul a i {
  font-size: 12px;
  color: var(--text-muted);
}
.footer-subscribe {
  display: flex;
  gap: 8px;
  margin-top: 14px;
}
.footer-subscribe input {
  flex: 1;
  height: 40px;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border-light);
  border-radius: 10px;
  padding: 0 14px;
  font-size: 13px;
  color: var(--text-primary);
  transition: border-color 0.3s;
}
.footer-subscribe input:focus {
  border-color: var(--accent-cyan);
}
.footer-subscribe input::placeholder {
  color: var(--text-muted);
}
.footer-subscribe button {
  height: 40px;
  padding: 0 16px;
  background: var(--brand-gradient);
  color: #fff;
  border-radius: 10px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: filter 0.3s, transform 0.2s;
}
.footer-subscribe button:hover {
  filter: brightness(1.1);
  transform: translateY(-1px);
}
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 24px;
  border-top: 1px solid var(--border-light);
  font-size: 12px;
  color: var(--text-muted);
}
.footer-bottom a {
  color: var(--text-muted);
  transition: color 0.3s;
}
.footer-bottom a:hover {
  color: var(--accent-cyan);
}

/* ========== 响应式 ========== */
@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
  .dock-search {
    width: 180px;
  }
  .article-title {
    font-size: 36px;
  }
  .article-cover img {
    height: 380px;
  }
}
@media (max-width: 768px) {
  .dock-nav {
    gap: 2px;
    margin-left: 6px;
  }
  .dock-nav a {
    font-size: 13px;
    padding: 6px 10px;
  }
  .dock-search {
    width: 150px;
  }
  .dock-search input {
    font-size: 12px;
  }
  .dock-cta {
    padding: 0 14px;
    font-size: 13px;
  }
  .dock-logo span {
    font-size: 16px;
  }
  .article-title {
    font-size: 30px;
  }
  .article-cover img {
    height: 320px;
  }
  .breadcrumb-wrap {
    padding-top: 90px;
  }
  .related-section {
    padding: 40px 0 10px;
  }
  .section-head {
    margin-bottom: 24px;
  }
  .section-head h2 {
    font-size: 24px;
  }
}
@media (max-width: 640px) {
  .site-dock {
    top: auto;
    bottom: 0;
    left: 0;
    right: 0;
    transform: none;
    width: 100%;
    border-radius: 16px 16px 0 0;
    border-left: none;
    border-right: none;
    border-bottom: none;
    background: rgba(15,20,28,0.88);
  }
  .dock-inner {
    justify-content: space-around;
    padding: 8px 12px;
    gap: 8px;
  }
  .dock-logo i {
    font-size: 20px;
  }
  .dock-logo span {
    font-size: 14px;
  }
  .dock-nav {
    gap: 4px;
    margin: 0;
    justify-content: center;
  }
  .dock-nav a {
    display: flex;
    flex-direction: column;
    align-items: center;
    font-size: 11px;
    padding: 4px 8px;
    gap: 2px;
  }
  .dock-nav a::before {
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    font-size: 14px;
  }
  .dock-nav a:first-child::before {
    content: '\f015';
  }
  .dock-nav a:last-child::before {
    content: '\f091';
  }
  .dock-nav a.active::after {
    width: 14px;
    height: 2px;
    bottom: 0;
  }
  .dock-search {
    display: none;
  }
  .dock-cta {
    width: 44px;
    height: 44px;
    padding: 0;
    border-radius: 50%;
    font-size: 0;
  }
  .dock-cta::before {
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    content: '\f04b';
    font-size: 16px;
  }
  body {
    padding-bottom: 80px;
  }
  .breadcrumb-wrap {
    padding-top: 60px;
  }
  .breadcrumb {
    font-size: 13px;
    padding: 16px 16px;
    overflow-x: auto;
    white-space: nowrap;
  }
  .breadcrumb .current {
    max-width: 180px;
  }
  .article-head {
    padding: 30px 0 10px;
  }
  .article-title {
    font-size: 26px;
  }
  .article-meta {
    gap: 12px;
    font-size: 13px;
  }
  .article-cover {
    padding: 14px 16px 0;
  }
  .article-cover img {
    height: 220px;
    border-radius: 16px;
  }
  .article-body {
    padding: 28px 16px 36px;
  }
  .article-body p {
    font-size: 15px;
  }
  .article-body h2 {
    font-size: 22px;
  }
  .article-body h3 {
    font-size: 18px;
  }
  .article-body table {
    font-size: 13px;
    display: block;
    overflow-x: auto;
  }
  .article-footer-bar {
    padding: 22px 16px;
    flex-direction: column;
    align-items: flex-start;
  }
  .article-pagination {
    padding: 0 16px 30px;
    gap: 12px;
  }
  .page-link .txt {
    font-size: 14px;
  }
  .related-section {
    padding: 32px 0 10px;
  }
  .section-head {
    margin-bottom: 18px;
    gap: 10px;
  }
  .section-num {
    font-size: 13px;
    padding: 2px 8px;
  }
  .section-head h2 {
    font-size: 22px;
  }
  .rel-card .rel-info {
    padding: 16px;
  }
  .back-entry {
    padding: 30px 16px 50px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .site-footer {
    padding: 50px 0 90px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  .footer-subscribe {
    flex-direction: column;
  }
  .footer-subscribe button {
    width: 100%;
  }
}
@media (max-width: 480px) {
  .dock-logo span {
    display: none;
  }
  .dock-logo i {
    font-size: 24px;
  }
  .dock-inner {
    padding: 8px 16px;
  }
  .article-title {
    font-size: 22px;
  }
  .article-cover img {
    height: 180px;
  }
}