/* roulang page: index */
:root{
  --ink-900:#05080F;
  --ink-800:#0A1120;
  --ink-700:#101A2E;
  --brand:#22D3EE;
  --brand-2:#6D5BFF;
  --accent:#4FF0C0;
  --warn:#FFB84D;
  --text-1:#E9F1FF;
  --text-2:#A9B8D0;
  --text-3:#6E7F9B;
  --glass-bg:rgba(255,255,255,.055);
  --glass-brd:rgba(140,190,255,.14);
  --glass-blur:18px;
  --r-s:10px;
  --r-m:16px;
  --r-l:24px;
  --r-pill:999px;
  --sh-card:0 12px 32px rgba(3,8,20,.55), inset 0 1px 0 rgba(255,255,255,.06);
  --sh-glow:0 0 0 1px rgba(79,240,192,.5), 0 8px 28px rgba(79,240,192,.28);
  --bs-primary:#22D3EE;
  --bs-primary-rgb:34,211,238;
  --bs-body-bg:#05080F;
  --bs-body-color:#E9F1FF;
  --bs-border-color:rgba(140,190,255,.14);
  --bs-link-color:#22D3EE;
  --bs-link-hover-color:#4FF0C0;
  --bs-font-sans-serif:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --bs-body-font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--ink-900);
  color:var(--text-1);
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background:
    radial-gradient(760px 380px at 18% -6%, rgba(34,211,238,.08), transparent 62%),
    radial-gradient(620px 320px at 88% 4%, rgba(109,91,255,.08), transparent 66%);
}
body::after{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:
    linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size:64px 64px;
  mask-image:linear-gradient(180deg, rgba(0,0,0,.8), transparent 62%);
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--accent)}
h1,h2,h3,h4{margin:0 0 12px;color:var(--text-1);letter-spacing:0;line-height:1.28}
p{margin:0 0 1em}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
::selection{background:rgba(34,211,238,.28);color:#fff}
:focus-visible{outline:2px solid rgba(34,211,238,.85);outline-offset:3px;border-radius:6px}

.container{position:relative;z-index:1}
.section{padding:96px 0}
.section-sm{padding:64px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.section-head h2{font-size:28px;font-weight:700;margin:0}
.section-head p{color:var(--text-2);font-size:14px;margin:8px 0 0;max-width:640px}
.eyebrow{
  display:inline-block;
  font-size:12px;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--brand);
  background:rgba(34,211,238,.08);
  border:1px solid rgba(34,211,238,.24);
  border-radius:var(--r-pill);
  padding:5px 12px;
  margin-bottom:16px;
}
.text-muted-2{color:var(--text-2)}
.text-dim{color:var(--text-3)}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:rgba(6,10,20,.72);
  border-bottom:1px solid rgba(140,190,255,.10);
  backdrop-filter:blur(var(--glass-blur));
  -webkit-backdrop-filter:blur(var(--glass-blur));
  transition:background .25s ease, box-shadow .25s ease;
}
@supports not ((backdrop-filter:blur(2px)) or (-webkit-backdrop-filter:blur(2px))){
  .site-header{background:rgba(14,22,38,.94)}
}
.site-header.is-scrolled{
  background:rgba(5,8,15,.94);
  box-shadow:0 10px 30px rgba(2,6,16,.6);
}
.nav-wrap{display:flex;align-items:center;gap:20px;height:72px}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-weight:800;
  font-size:17px;
  color:var(--text-1);
  white-space:nowrap;
  flex:0 0 auto;
}
.brand:hover{color:var(--text-1)}
.brand-mark{
  width:34px;height:34px;border-radius:11px;
  background:linear-gradient(135deg,#4FF0C0,#22D3EE 55%,#6D5BFF);
  display:grid;place-items:center;
  color:#04121A;
  font-size:15px;
  font-weight:800;
  box-shadow:0 6px 18px rgba(34,211,238,.35);
}
.nav-search{
  flex:1 1 auto;
  max-width:560px;
  min-width:280px;
  position:relative;
}
.nav-search .search-icon{
  position:absolute;
  left:16px;top:50%;
  transform:translateY(-50%);
  color:var(--text-3);
  pointer-events:none;
  display:flex;
}
.nav-search input{
  width:100%;
  height:44px;
  padding:0 16px 0 44px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.05);
  border:1px solid rgba(140,190,255,.16);
  color:var(--text-1);
  font-size:14px;
  transition:border-color .18s ease, box-shadow .18s ease, background .18s ease;
}
.nav-search input::placeholder{color:var(--text-3)}
.nav-search input:focus{
  outline:none;
  border-color:rgba(34,211,238,.7);
  background:rgba(34,211,238,.06);
  box-shadow:0 0 0 3px rgba(34,211,238,.14);
}
.nav-links{display:flex;align-items:center;gap:4px;flex:0 0 auto}
.nav-link-item{
  font-size:14px;
  color:var(--text-2);
  padding:8px 12px;
  border-radius:var(--r-pill);
  white-space:nowrap;
  transition:color .18s ease, background .18s ease;
}
.nav-link-item:hover{color:var(--text-1);background:rgba(255,255,255,.06)}
.nav-link-item.active{
  color:var(--brand);
  background:rgba(34,211,238,.10);
  box-shadow:inset 0 0 0 1px rgba(34,211,238,.26);
}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.icon-btn{
  width:42px;height:42px;
  display:none;
  place-items:center;
  border-radius:var(--r-s);
  background:rgba(255,255,255,.05);
  border:1px solid rgba(140,190,255,.16);
  color:var(--text-1);
  cursor:pointer;
  transition:border-color .18s ease, background .18s ease;
}
.icon-btn:hover{border-color:rgba(34,211,238,.5);background:rgba(34,211,238,.08)}
.mobile-search{
  display:none;
  padding:0 0 14px;
}
.mobile-search.open{display:block}
.mobile-search input{height:46px}
.nav-drawer{
  display:none;
  padding:16px 0 22px;
  border-top:1px solid rgba(140,190,255,.10);
}
.nav-drawer.open{display:block}
.nav-drawer .drawer-links{display:grid;gap:8px;margin-bottom:16px}
.nav-drawer .drawer-links a{
  display:flex;align-items:center;justify-content:space-between;
  padding:12px 14px;
  border-radius:var(--r-s);
  background:var(--glass-bg);
  border:1px solid var(--glass-brd);
  color:var(--text-1);
  font-size:15px;
}
.nav-drawer .drawer-links a.active{color:var(--brand);border-color:rgba(34,211,238,.36)}
.drawer-panel{
  border-radius:var(--r-m);
  background:var(--glass-bg);
  border:1px solid var(--glass-brd);
  padding:14px;
  backdrop-filter:blur(var(--glass-blur));
}

/* ---------- 按钮 ---------- */
.btn-glow{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border-radius:var(--r-pill);
  border:none;
  background:linear-gradient(135deg,#4FF0C0,#22D3EE);
  color:#05131A;
  font-weight:700;
  font-size:15px;
  cursor:pointer;
  transition:transform .18s ease, box-shadow .25s ease, filter .18s ease;
  box-shadow:0 8px 24px rgba(34,211,238,.24);
}
.btn-glow:hover{transform:translateY(-2px);box-shadow:var(--sh-glow);color:#05131A}
.btn-glow:active{transform:translateY(0)}
.btn-soft{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  border-radius:var(--r-pill);
  background:transparent;
  border:1px solid rgba(140,190,255,.3);
  color:var(--text-1);
  font-weight:600;
  font-size:15px;
  cursor:pointer;
  transition:border-color .18s ease, background .18s ease, transform .18s ease;
}
.btn-soft:hover{border-color:rgba(34,211,238,.7);background:rgba(34,211,238,.08);color:var(--text-1);transform:translateY(-2px)}
.btn-soft:active{transform:translateY(0)}
.btn-sm-pill{
  height:38px;padding:0 18px;font-size:13px;
}
.link-cta{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--brand);font-size:14px;font-weight:600;
}
.link-cta svg{transition:transform .18s ease}
.link-cta:hover svg{transform:translateX(3px)}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  min-height:520px;
  display:flex;
  align-items:center;
  overflow:hidden;
  border-bottom:1px solid rgba(140,190,255,.10);
}
.hero-bg{
  position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-1.webp");
  background-size:cover;
  background-position:center;
  filter:saturate(1.05);
}
.hero-mask{
  position:absolute;inset:0;
  background:linear-gradient(100deg, rgba(4,8,16,.94) 12%, rgba(4,8,16,.78) 52%, rgba(6,12,24,.62) 100%);
}
.hero-grid{
  position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(600px 380px at 30% 40%, rgba(0,0,0,.65), transparent 72%);
}
.hero-glow{
  position:absolute;
  width:560px;height:560px;
  right:-120px;top:-180px;
  border-radius:50%;
  background:radial-gradient(circle, rgba(34,211,238,.24), transparent 62%);
  filter:blur(20px);
  animation:drift 18s ease-in-out infinite alternate;
}
@keyframes drift{
  from{transform:translate3d(0,0,0) scale(1)}
  to{transform:translate3d(-40px,36px,0) scale(1.08)}
}
.hero-inner{position:relative;z-index:2;padding:96px 0;width:100%}
.hero-title{
  font-size:clamp(30px,4.2vw,52px);
  font-weight:800;
  line-height:1.2;
  margin-bottom:18px;
  max-width:820px;
}
.hero-title em{
  font-style:normal;
  background:linear-gradient(120deg,#4FF0C0,#22D3EE 60%,#6D5BFF);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hero-sub{
  font-size:17px;
  color:var(--text-2);
  max-width:620px;
  margin-bottom:32px;
}
.hero-search{
  display:flex;
  gap:10px;
  max-width:660px;
  padding:10px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.06);
  border:1px solid rgba(140,190,255,.18);
  backdrop-filter:blur(var(--glass-blur));
  -webkit-backdrop-filter:blur(var(--glass-blur));
  margin-bottom:26px;
}
.hero-search .field{position:relative;flex:1 1 auto;display:flex;align-items:center}
.hero-search .field svg{position:absolute;left:18px;color:var(--text-3)}
.hero-search input{
  width:100%;
  height:52px;
  padding:0 18px 0 50px;
  border-radius:var(--r-pill);
  background:transparent;
  border:none;
  color:var(--text-1);
  font-size:16px;
}
.hero-search input::placeholder{color:var(--text-3)}
.hero-search input:focus{outline:none}
.hero-search .btn-glow{flex:0 0 auto;height:52px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.hero-glass{
  position:absolute;
  right:24px;bottom:32px;
  z-index:2;
  display:flex;
  gap:0;
  padding:14px 18px;
  border-radius:var(--r-m);
  background:var(--glass-bg);
  border:1px solid var(--glass-brd);
  backdrop-filter:blur(var(--glass-blur));
  -webkit-backdrop-filter:blur(var(--glass-blur));
  box-shadow:var(--sh-card);
}
.hero-glass .cell{padding:0 16px;border-right:1px solid rgba(255,255,255,.08)}
.hero-glass .cell:last-child{border-right:none}
.hero-glass .k{font-size:12px;color:var(--text-3);letter-spacing:.06em}
.hero-glass .v{font-size:14px;color:var(--text-1);font-weight:600}

/* ---------- 快览条 ---------- */
.factbar{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:1px;
  border-radius:var(--r-m);
  overflow:hidden;
  background:rgba(140,190,255,.12);
  border:1px solid rgba(140,190,255,.14);
}
.fact{
  background:var(--ink-800);
  padding:24px 22px;
}
.fact .n{font-size:24px;font-weight:800;color:var(--text-1);line-height:1.2}
.fact .l{font-size:13px;color:var(--text-2);margin-top:6px}

/* ---------- 权益对比表 ---------- */
.cmp-panel{
  border-radius:var(--r-l);
  background:var(--glass-bg);
  border:1px solid var(--glass-brd);
  padding:18px;
  backdrop-filter:blur(var(--glass-blur));
  -webkit-backdrop-filter:blur(var(--glass-blur));
}
@supports not ((backdrop-filter:blur(2px)) or (-webkit-backdrop-filter:blur(2px))){
  .cmp-panel{background:rgba(14,22,38,.92)}
}
.cmp-scroll{
  overflow-x:auto;
  border-radius:var(--r-m);
  background:var(--ink-700);
  position:relative;
  -webkit-overflow-scrolling:touch;
}
.cmp-table{
  width:100%;
  min-width:720px;
  border-collapse:separate;
  border-spacing:0;
  font-size:14px;
}
.cmp-table th,.cmp-table td{
  padding:16px 18px;
  text-align:left;
  border-bottom:1px solid rgba(255,255,255,.06);
  vertical-align:middle;
}
.cmp-table thead th{
  position:sticky;
  top:0;
  z-index:3;
  background:#0C1526;
  font-size:15px;
  font-weight:600;
  color:var(--text-1);
  border-bottom:1px solid rgba(140,190,255,.2);
}
.cmp-table tbody tr:hover td{background:rgba(34,211,238,.06)}
.cmp-table td:first-child,.cmp-table th:first-child{color:var(--text-1);font-weight:600;min-width:180px}
.cmp-table td{color:var(--text-2)}
.cmp-table .col-hi{
  background:rgba(79,240,192,.06);
  border-left:1px solid rgba(79,240,192,.28);
  border-right:1px solid rgba(79,240,192,.28);
}
.cmp-table thead .col-hi{color:#CFFBEC}
.cmp-table tbody tr:last-child td{border-bottom:none}
.rec-badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:11px;
  letter-spacing:.08em;
  padding:3px 10px;
  border-radius:var(--r-pill);
  background:rgba(79,240,192,.14);
  border:1px solid rgba(79,240,192,.4);
  color:var(--accent);
  margin-left:8px;
  vertical-align:middle;
}
.icon-yes,.icon-no{display:inline-flex;align-items:center;gap:8px;font-size:13px}
.icon-yes svg{color:var(--accent)}
.icon-no svg{color:#5A6780}
.icon-no{color:var(--text-3)}
.scroll-hint{display:none;font-size:12px;color:var(--text-3);margin-top:10px}

/* ---------- 等级亮点 ---------- */
.tier-grid{
  display:grid;
  grid-template-columns:1.35fr 1fr;
  grid-template-rows:auto auto;
  gap:24px;
}
.tier-card{
  position:relative;
  border-radius:var(--r-m);
  background:var(--glass-bg);
  border:1px solid var(--glass-brd);
  padding:30px;
  backdrop-filter:blur(var(--glass-blur));
  -webkit-backdrop-filter:blur(var(--glass-blur));
  box-shadow:var(--sh-card);
  transition:transform .18s ease, border-color .18s ease;
  overflow:hidden;
}
.tier-card:hover{transform:translateY(-6px);border-color:rgba(34,211,238,.35)}
.tier-card.main{grid-row:span 2;display:flex;flex-direction:column;justify-content:space-between}
.tier-card.main::before{
  content:"";
  position:absolute;left:0;right:0;top:0;height:2px;
  background:linear-gradient(90deg,transparent,rgba(79,240,192,.9),transparent);
}
.tier-ico{
  width:44px;height:44px;
  border-radius:var(--r-s);
  display:grid;place-items:center;
  background:rgba(34,211,238,.10);
  border:1px solid rgba(34,211,238,.26);
  color:var(--brand);
  margin-bottom:18px;
}
.tier-card h3{font-size:19px;font-weight:600;margin-bottom:10px}
.tier-card p.desc{color:var(--text-2);font-size:14px;margin-bottom:16px}
.tier-list{display:grid;gap:10px;margin-bottom:20px}
.tier-list li{display:flex;gap:10px;font-size:14px;color:var(--text-2);line-height:1.7}
.tier-list li svg{flex:0 0 auto;margin-top:5px;color:var(--accent)}
.tier-card.main .tier-list li{font-size:15px;color:var(--text-1)}
.tier-meta{font-size:13px;color:var(--text-3);margin-bottom:14px}

/* ---------- 专属内容预览 ---------- */
.vault-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
}
.vault-card{
  position:relative;
  border-radius:var(--r-m);
  overflow:hidden;
  background:var(--glass-bg);
  border:1px solid var(--glass-brd);
  box-shadow:var(--sh-card);
  transition:transform .18s ease, border-color .18s ease, box-shadow .18s ease;
  display:block;
}
.vault-card:hover{transform:translateY(-6px);border-color:rgba(34,211,238,.35)}
.vault-thumb{overflow:hidden;aspect-ratio:16/9;background:#0C1526}
.vault-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.vault-card:hover .vault-thumb img{transform:scale(1.03)}
.vault-body{padding:16px 18px 20px}
.vault-body h3{font-size:15px;font-weight:600;margin-bottom:6px;color:var(--text-1);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.vault-body .meta{font-size:13px;color:var(--text-3)}
.lock-badge{
  position:absolute;right:12px;top:12px;
  z-index:2;
  display:inline-flex;align-items:center;gap:5px;
  font-size:11px;
  padding:4px 10px;
  border-radius:var(--r-pill);
  background:rgba(8,14,26,.78);
  border:1px solid rgba(255,184,77,.42);
  color:var(--warn);
  backdrop-filter:blur(8px);
}

/* ---------- 最新信息 ---------- */
.news-layout{
  display:grid;
  grid-template-columns:1.15fr 1fr;
  gap:24px;
}
.news-feature{
  border-radius:var(--r-m);
  background:var(--glass-bg);
  border:1px solid var(--glass-brd);
  overflow:hidden;
  box-shadow:var(--sh-card);
  transition:transform .18s ease, border-color .18s ease;
  display:flex;
  flex-direction:column;
}
.news-feature:hover{transform:translateY(-6px);border-color:rgba(34,211,238,.35)}
.news-feature .thumb{aspect-ratio:16/9;overflow:hidden;background:#0C1526}
.news-feature .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.news-feature:hover .thumb img{transform:scale(1.03)}
.news-feature .body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1}
.news-feature h3{font-size:19px;font-weight:600;line-height:1.42;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-feature .summary{
  color:var(--text-2);font-size:14px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  margin:0;
}
.meta-row{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--text-3);flex-wrap:wrap}
.tag-pill{
  display:inline-flex;align-items:center;
  font-size:12px;
  padding:4px 11px;
  border-radius:var(--r-pill);
  background:rgba(34,211,238,.10);
  border:1px solid rgba(34,211,238,.26);
  color:var(--brand);
  white-space:nowrap;
}
.news-side{display:grid;gap:16px;align-content:start}
.news-item{
  display:flex;
  gap:14px;
  padding:14px;
  border-radius:var(--r-m);
  background:var(--glass-bg);
  border:1px solid var(--glass-brd);
  transition:transform .18s ease, border-color .18s ease;
}
.news-item:hover{transform:translateY(-4px);border-color:rgba(34,211,238,.32)}
.news-item .mini{
  flex:0 0 96px;
  width:96px;height:66px;
  border-radius:var(--r-s);
  overflow:hidden;
  background:#0C1526;
}
.news-item .mini img{width:100%;height:100%;object-fit:cover}
.news-item .txt{flex:1 1 auto;min-width:0}
.news-item h3{
  font-size:15px;font-weight:600;line-height:1.5;margin-bottom:8px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-item h3 a{color:var(--text-1)}
.news-item h3 a:hover{color:var(--brand)}
.empty-state{
  border-radius:var(--r-m);
  background:var(--glass-bg);
  border:1px dashed rgba(140,190,255,.24);
  padding:48px 24px;
  text-align:center;
}
.empty-state svg{color:var(--brand);margin-bottom:14px}
.empty-state p{color:var(--text-2);margin:0 0 18px;font-size:15px}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto}
.accordion-item{
  background:var(--glass-bg);
  border:1px solid var(--glass-brd);
  border-radius:var(--r-m) !important;
  margin-bottom:12px;
  overflow:hidden;
  backdrop-filter:blur(var(--glass-blur));
  -webkit-backdrop-filter:blur(var(--glass-blur));
}
.accordion-button{
  background:transparent;
  color:var(--text-1);
  font-size:16px;
  font-weight:600;
  padding:20px 22px;
  border-radius:0 !important;
  box-shadow:none;
  transition:background .18s ease, box-shadow .2s ease;
}
.accordion-button:not(.collapsed){
  background:rgba(34,211,238,.06);
  color:var(--text-1);
  box-shadow:inset 3px 0 0 0 var(--brand), inset 3px 0 12px -4px rgba(34,211,238,.65);
}
.accordion-button:focus{box-shadow:none;outline:none}
.accordion-button::after{
  width:18px;height:18px;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='%2322D3EE' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M3 6l5 5 5-5'/%3E%3C/svg%3E");
  background-size:18px 18px;
  transition:transform .25s ease;
}
.accordion-button:not(.collapsed)::after{transform:rotate(180deg)}
.accordion-body{
  color:var(--text-2);
  font-size:15px;
  line-height:1.85;
  padding:0 22px 22px;
}

/* ---------- 方案 CTA ---------- */
.plan-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
  align-items:stretch;
}
.plan-card{
  position:relative;
  border-radius:var(--r-m);
  background:var(--glass-bg);
  border:1px solid var(--glass-brd);
  padding:32px 28px;
  display:flex;
  flex-direction:column;
  box-shadow:var(--sh-card);
  transition:transform .18s ease, border-color .18s ease;
}
.plan-card:hover{transform:translateY(-6px);border-color:rgba(34,211,238,.34)}
.plan-card.recommend{
  border-color:rgba(79,240,192,.5);
  box-shadow:var(--sh-glow);
  background:linear-gradient(180deg, rgba(79,240,192,.06), rgba(255,255,255,.04));
}
.plan-card .plan-tag{
  position:absolute;top:-13px;left:28px;
  font-size:11px;letter-spacing:.1em;
  padding:4px 12px;
  border-radius:var(--r-pill);
  background:linear-gradient(135deg,#4FF0C0,#22D3EE);
  color:#05131A;font-weight:700;
}
.plan-card h3{font-size:19px;font-weight:600}
.plan-card .plan-desc{font-size:14px;color:var(--text-2);margin-bottom:20px}
.plan-card ul{display:grid;gap:10px;margin-bottom:26px}
.plan-card ul li{display:flex;gap:10px;font-size:14px;color:var(--text-2)}
.plan-card ul li svg{flex:0 0 auto;margin-top:5px;color:var(--accent)}
.plan-card .plan-foot{margin-top:auto}
.plan-note{
  text-align:center;
  font-size:13px;
  color:var(--text-3);
  margin-top:24px;
}

/* ---------- 页脚 ---------- */
.site-footer{
  border-top:1px solid rgba(255,255,255,.08);
  background:linear-gradient(180deg, rgba(10,17,32,.6), rgba(5,8,15,.95));
  padding:72px 0 28px;
  margin-top:96px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1fr;
  gap:32px;
  margin-bottom:48px;
}
.site-footer h4{font-size:14px;letter-spacing:.06em;color:var(--text-1);margin-bottom:16px}
.site-footer p{font-size:14px;color:var(--text-2);line-height:1.8}
.footer-links{display:grid;gap:10px}
.footer-links a{font-size:14px;color:var(--text-2)}
.footer-links a:hover{color:var(--brand)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);
  padding-top:22px;
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:var(--text-3);
}

@media (max-width:1199.98px){
  .vault-grid{grid-template-columns:repeat(3,1fr)}
  .footer-grid{grid-template-columns:1.2fr 1fr 1fr}
}
@media (max-width:991.98px){
  .section{padding:72px 0}
  .nav-search{display:none}
  .nav-links{display:none}
  .icon-btn{display:grid}
  .hero-glass{position:static;margin-top:28px;display:inline-flex}
  .news-layout{grid-template-columns:1fr}
  .tier-grid{grid-template-columns:1fr;grid-template-rows:auto}
  .tier-card.main{grid-row:auto}
  .plan-grid{grid-template-columns:1fr}
  .factbar{grid-template-columns:repeat(2,1fr)}
  .scroll-hint{display:block}
}
@media (max-width:767.98px){
  .section{padding:56px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:28px}
  .section-head h2{font-size:22px}
  .hero{min-height:380px}
  .hero-inner{padding:64px 0}
  .hero-title{font-size:30px}
  .hero-search{flex-direction:column;border-radius:var(--r-l);padding:12px}
  .hero-search .btn-glow{width:100%}
  .vault-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:24px}
  .cmp-table th,.cmp-table td{padding:14px}
}
@media (max-width:575.98px){
  .brand span.brand-text{font-size:15px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .btn-glow,.btn-soft{width:100%}
  .factbar{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .news-item .mini{flex-basis:80px;width:80px;height:58px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none !important;transition:none !important}
  html{scroll-behavior:auto}
}

/* roulang page: article */
:root{
  --ink-900:#05080F;
  --ink-800:#0A1120;
  --ink-700:#101A2E;
  --brand:#22D3EE;
  --brand-2:#6D5BFF;
  --accent:#4FF0C0;
  --warn:#FFB84D;
  --text-1:#E9F1FF;
  --text-2:#A9B8D0;
  --text-3:#6E7F9B;
  --glass-bg:rgba(255,255,255,.055);
  --glass-brd:rgba(140,190,255,.14);
  --glass-blur:18px;
  --r-s:10px;
  --r-m:16px;
  --r-l:24px;
  --r-pill:999px;
  --sh-card:0 12px 32px rgba(3,8,20,.55), inset 0 1px 0 rgba(255,255,255,.06);
  --sh-glow:0 0 0 1px rgba(79,240,192,.5), 0 8px 28px rgba(79,240,192,.28);
  --bs-primary:#22D3EE;
  --bs-body-bg:#05080F;
  --bs-body-color:#E9F1FF;
  --bs-border-color:rgba(140,190,255,.14);
  --bs-font-sans-serif:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --bs-link-color:#22D3EE;
  --bs-link-hover-color:#4FF0C0;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--ink-900);
  color:var(--text-1);
  font-family:var(--bs-font-sans-serif);
  font-size:16px;
  line-height:1.75;
  letter-spacing:0;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background:
    radial-gradient(760px 420px at 12% -6%, rgba(34,211,238,.10), transparent 62%),
    radial-gradient(680px 380px at 88% 4%, rgba(109,91,255,.10), transparent 60%),
    linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px) 0 0 / 100% 64px,
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px) 0 0 / 64px 100%;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .18s ease-out;}
a:hover{color:var(--accent);}
h1,h2,h3,h4,h5{line-height:1.28;letter-spacing:0;margin:0;color:var(--text-1);font-weight:700;}
p{margin:0 0 1em;}
ul,ol{margin:0;padding-left:1.2em;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.container{width:100%;max-width:1320px;margin:0 auto;padding:0 16px;position:relative;z-index:1;}
@media (max-width:1399.98px){.container{max-width:1140px;}}
@media (max-width:1199.98px){.container{max-width:960px;}}
@media (max-width:991.98px){.container{max-width:720px;}}
@media (max-width:767.98px){.container{max-width:100%;padding:0 16px;}}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1000;
  background:rgba(8,13,26,.72);
  border-bottom:1px solid rgba(255,255,255,.06);
  backdrop-filter:blur(var(--glass-blur));
  -webkit-backdrop-filter:blur(var(--glass-blur));
  transition:background .25s ease-out, box-shadow .25s ease-out;
}
.site-header.is-scrolled{
  background:rgba(5,8,15,.94);
  box-shadow:0 10px 30px rgba(0,0,0,.5);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:20px;
  min-height:72px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--text-1);
  font-weight:800;
  font-size:17px;
  white-space:nowrap;
}
.brand:hover{color:var(--text-1);}
.brand-mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:34px;
  height:34px;
  border-radius:12px;
  background:linear-gradient(135deg,#4FF0C0,#22D3EE);
  color:#05131A;
  font-weight:900;
  font-size:17px;
  box-shadow:0 6px 18px rgba(34,211,238,.32);
}
.brand-text{letter-spacing:.01em;}
.nav-search{
  position:relative;
  flex:1 1 auto;
  max-width:560px;
  min-width:360px;
  display:flex;
  align-items:center;
}
.nav-search svg{
  position:absolute;
  left:16px;
  width:18px;
  height:18px;
  stroke:var(--text-3);
  fill:none;
  pointer-events:none;
}
.nav-search input{
  width:100%;
  height:44px;
  padding:0 18px 0 44px;
  border-radius:var(--r-pill);
  border:1px solid var(--glass-brd);
  background:rgba(255,255,255,.05);
  color:var(--text-1);
  font-size:14px;
  transition:border-color .2s ease-out, box-shadow .2s ease-out, background .2s ease-out;
}
.nav-search input::placeholder{color:var(--text-3);}
.nav-search input:focus{
  outline:none;
  border-color:var(--brand);
  background:rgba(34,211,238,.07);
  box-shadow:0 0 0 3px rgba(34,211,238,.14);
}
.nav-links{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:auto;
}
.nav-link-item{
  display:inline-block;
  padding:8px 12px;
  border-radius:var(--r-pill);
  color:var(--text-2);
  font-size:14px;
  white-space:nowrap;
  transition:color .18s ease-out, background .18s ease-out;
}
.nav-link-item:hover{color:var(--text-1);background:rgba(34,211,238,.09);}
.nav-link-item.active{
  color:#05131A;
  background:linear-gradient(135deg,#4FF0C0,#22D3EE);
  font-weight:700;
}
.header-cta{
  height:40px;
  padding:0 20px;
  font-size:14px;
  white-space:nowrap;
}
.nav-toggle{
  display:none;
  width:42px;
  height:42px;
  border-radius:12px;
  border:1px solid var(--glass-brd);
  background:rgba(255,255,255,.05);
  color:var(--text-1);
  align-items:center;
  justify-content:center;
}
@media (max-width:991.98px){
  .header-inner{min-height:64px;gap:12px;}
  .nav-search{display:none;}
  .nav-links{display:none;}
  .header-cta{display:none;}
  .nav-toggle{display:inline-flex;margin-left:auto;}
}
.mobile-drawer{
  display:none;
  border-top:1px solid rgba(255,255,255,.07);
  background:rgba(10,17,32,.96);
  backdrop-filter:blur(var(--glass-blur));
  padding:16px 0 22px;
}
.mobile-drawer.is-open{display:block;}
.mobile-drawer .drawer-search{position:relative;display:flex;align-items:center;margin-bottom:14px;}
.mobile-drawer .drawer-search svg{position:absolute;left:14px;width:18px;height:18px;stroke:var(--text-3);fill:none;}
.mobile-drawer .drawer-search input{
  width:100%;height:46px;padding:0 16px 0 42px;border-radius:var(--r-pill);
  border:1px solid var(--glass-brd);background:rgba(255,255,255,.05);color:var(--text-1);font-size:14px;
}
.mobile-drawer .drawer-search input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(34,211,238,.14);}
.drawer-links{display:flex;flex-direction:column;gap:4px;margin-bottom:16px;}
.drawer-links a{
  padding:11px 14px;border-radius:var(--r-s);color:var(--text-2);font-size:15px;
  border:1px solid transparent;
}
.drawer-links a:hover{background:rgba(34,211,238,.08);color:var(--text-1);}
.drawer-links a.active{color:#05131A;background:linear-gradient(135deg,#4FF0C0,#22D3EE);font-weight:700;}

/* ---------- 按钮 ---------- */
.btn{
  --bs-btn-focus-box-shadow:none;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:700;
  border:1px solid transparent;
  transition:transform .18s ease-out, box-shadow .18s ease-out, background .18s ease-out, border-color .18s ease-out, color .18s ease-out;
}
.btn-primary,
.btn-accent{
  background:linear-gradient(135deg,#4FF0C0,#22D3EE);
  color:#05131A;
  border:none;
  --bs-btn-bg:transparent;
  --bs-btn-hover-bg:transparent;
  --bs-btn-active-bg:transparent;
  --bs-btn-border-color:transparent;
}
.btn-primary:hover,.btn-accent:hover{
  color:#05131A;
  transform:translateY(-2px);
  box-shadow:var(--sh-glow);
}
.btn-primary:active,.btn-accent:active{transform:translateY(0);color:#05131A;}
.btn-outline{
  background:transparent;
  border:1px solid rgba(140,190,255,.3);
  color:var(--text-1);
}
.btn-outline:hover{
  color:var(--text-1);
  border-color:var(--brand);
  background:rgba(34,211,238,.08);
  transform:translateY(-2px);
}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-ghost{
  background:transparent;border:1px solid transparent;color:var(--brand);
  height:auto;padding:0;font-weight:600;
}
.btn-ghost:hover{color:var(--accent);transform:none;box-shadow:none;}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand);}
.link-arrow svg{width:16px;height:16px;stroke:currentColor;fill:none;transition:transform .18s ease-out;}
.link-arrow:hover svg{transform:translateX(3px);}

/* ---------- 胶囊 / 徽章 ---------- */
.pill{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 12px;
  border-radius:var(--r-pill);
  font-size:12.5px;
  line-height:1.6;
  border:1px solid rgba(140,190,255,.2);
  background:rgba(255,255,255,.05);
  color:var(--text-2);
}
.pill-brand{color:#05131A;background:linear-gradient(135deg,#4FF0C0,#22D3EE);border-color:transparent;font-weight:700;}
.pill-violet{border-color:rgba(109,91,255,.4);color:#C3BBFF;background:rgba(109,91,255,.12);}
.badge-rec{
  display:inline-flex;align-items:center;gap:5px;
  padding:3px 10px;border-radius:var(--r-pill);
  font-size:12px;font-weight:700;color:#3A2400;
  background:linear-gradient(135deg,#FFD98A,#FFB84D);
}

/* ---------- 文章头部横幅 ---------- */
.page-band{
  position:relative;
  overflow:hidden;
  border-bottom:1px solid rgba(255,255,255,.06);
  padding:36px 0 46px;
}
.page-band::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:linear-gradient(rgba(4,7,14,.9),rgba(5,8,15,.96)),url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  z-index:0;
}
.page-band > .container{position:relative;z-index:1;}
.crumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--text-3);
  margin-bottom:18px;
}
.crumb a{color:var(--text-2);}
.crumb a:hover{color:var(--brand);}
.crumb svg{width:13px;height:13px;stroke:var(--text-3);fill:none;flex:none;}
.crumb .current{color:var(--text-2);max-width:60ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.article-title{
  font-size:clamp(30px,4.2vw,46px);
  font-weight:800;
  margin:14px 0 16px;
  min-height:calc(1.28em * 2);
  max-width:22ch;
}
.meta-row{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  font-size:13.5px;
  color:var(--text-3);
}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:var(--text-3);opacity:.7;}
.meta-row strong{color:var(--text-2);font-weight:600;}

/* ---------- 正文双栏 ---------- */
.article-wrap{padding:56px 0 72px;}
@media (min-width:992px){.article-wrap{padding:72px 0 96px;}}
.article-card{
  background:rgba(10,17,32,.92);
  border:1px solid rgba(255,255,255,.07);
  border-radius:var(--r-l);
  box-shadow:var(--sh-card);
  padding:28px 24px;
}
@media (min-width:768px){.article-card{padding:40px 44px;}}
.article-body{
  font-size:17.5px;
  line-height:1.85;
  color:#DCE6F7;
  max-width:820px;
}
.article-body p{margin:0 0 1.1em;}
.article-body h2{
  position:relative;
  font-size:26px;
  font-weight:700;
  color:var(--text-1);
  margin:40px 0 16px;
  padding-left:14px;
}
.article-body h2::before{
  content:"";
  position:absolute;
  left:0;top:.22em;
  width:3px;height:1em;
  border-radius:2px;
  background:linear-gradient(180deg,#4FF0C0,#22D3EE);
  box-shadow:0 0 12px rgba(79,240,192,.7);
}
.article-body h3{font-size:19px;font-weight:600;margin:28px 0 12px;color:var(--text-1);}
.article-body ul,.article-body ol{margin:0 0 1.1em;padding-left:1.35em;}
.article-body li{margin-bottom:.45em;}
.article-body blockquote{
  margin:22px 0;
  padding:16px 20px;
  border-left:3px solid var(--brand);
  border-radius:0 var(--r-m) var(--r-m) 0;
  background:var(--glass-bg);
  backdrop-filter:blur(var(--glass-blur));
  color:var(--text-2);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{
  border-radius:16px;
  margin:22px auto;
  border:1px solid rgba(255,255,255,.07);
}
.article-body figure{margin:22px 0;}
.article-body figcaption{
  text-align:center;
  font-size:13.5px;
  color:var(--text-3);
  margin-top:10px;
}
.article-body table{
  width:100%;
  margin:22px 0;
  border-collapse:separate;
  border-spacing:0;
  border:1px solid rgba(140,190,255,.18);
  border-radius:var(--r-m);
  overflow:hidden;
  font-size:15px;
  background:rgba(8,14,26,.9);
}
.article-body th,.article-body td{
  padding:12px 16px;
  border-bottom:1px solid rgba(255,255,255,.06);
  text-align:left;
  color:var(--text-2);
}
.article-body th{background:rgba(34,211,238,.08);color:var(--text-1);font-weight:600;}
.article-body tr:last-child td{border-bottom:none;}
.article-body tr:hover td{background:rgba(34,211,238,.06);}
.article-body a{color:var(--brand);border-bottom:1px solid rgba(34,211,238,.35);}
.article-body a:hover{color:var(--accent);border-bottom-color:rgba(79,240,192,.5);}
.article-body code{
  background:rgba(255,255,255,.07);
  border-radius:6px;
  padding:2px 6px;
  font-size:.92em;
  color:#A9F3E4;
}
.article-body hr{border:none;border-top:1px solid rgba(255,255,255,.08);margin:32px 0;}

/* ---------- 空态 ---------- */
.empty-state{
  text-align:center;
  padding:52px 20px;
  border:1px dashed rgba(140,190,255,.24);
  border-radius:var(--r-m);
  background:rgba(255,255,255,.03);
}
.empty-state svg{width:44px;height:44px;stroke:var(--brand);fill:none;margin:0 auto 16px;}
.empty-state h3{font-size:19px;margin-bottom:8px;}
.empty-state p{color:var(--text-2);font-size:15px;margin-bottom:20px;}

/* ---------- 侧栏 ---------- */
.side-sticky{position:sticky;top:96px;}
.side-card{
  background:var(--glass-bg);
  border:1px solid var(--glass-brd);
  border-radius:var(--r-m);
  box-shadow:var(--sh-card);
  backdrop-filter:blur(var(--glass-blur));
  -webkit-backdrop-filter:blur(var(--glass-blur));
  padding:22px;
  margin-bottom:24px;
}
.side-card h3{
  font-size:16px;
  font-weight:700;
  display:flex;
  align-items:center;
  gap:8px;
  margin-bottom:14px;
}
.side-card h3::before{
  content:"";
  width:3px;height:15px;border-radius:2px;
  background:linear-gradient(180deg,#4FF0C0,#22D3EE);
  box-shadow:0 0 10px rgba(79,240,192,.7);
}
.hot-list{list-style:none;padding:0;margin:0;}
.hot-list li{border-bottom:1px solid rgba(255,255,255,.06);}
.hot-list li:last-child{border-bottom:none;}
.hot-list a{
  display:flex;
  gap:12px;
  align-items:baseline;
  padding:11px 0;
  color:var(--text-2);
  font-size:14.5px;
  line-height:1.6;
}
.hot-list a:hover{color:var(--brand);}
.hot-list .idx{
  flex:none;
  width:22px;height:22px;
  border-radius:7px;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:700;
  color:var(--brand);
  background:rgba(34,211,238,.12);
  border:1px solid rgba(34,211,238,.28);
}
.hot-list a:hover .idx{color:#05131A;background:linear-gradient(135deg,#4FF0C0,#22D3EE);border-color:transparent;}
.side-cta{background:linear-gradient(160deg,rgba(109,91,255,.18),rgba(34,211,238,.10));}
.side-cta p{font-size:14px;color:var(--text-2);margin-bottom:16px;}
.side-cta .btn{width:100%;height:44px;font-size:14px;}

/* ---------- 标签 / 前后篇 / 相关 ---------- */
.block-gap{margin-top:36px;}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;padding-top:26px;border-top:1px solid rgba(255,255,255,.08);}
.prevnext{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
@media (max-width:767.98px){.prevnext{grid-template-columns:1fr;}}
.pn-card{
  display:block;
  padding:18px 20px;
  border-radius:var(--r-m);
  border:1px solid var(--glass-brd);
  background:var(--glass-bg);
  transition:transform .18s ease-out, border-color .18s ease-out, box-shadow .18s ease-out;
}
.pn-card:hover{transform:translateY(-4px);border-color:rgba(34,211,238,.35);box-shadow:var(--sh-card);}
.pn-card .pn-label{display:block;font-size:12.5px;color:var(--text-3);margin-bottom:6px;}
.pn-card .pn-title{display:block;font-size:15.5px;font-weight:600;color:var(--text-1);line-height:1.55;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.pn-card.next{text-align:right;}
.sec-title{font-size:22px;font-weight:700;margin-bottom:22px;}
.reco-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
@media (max-width:991.98px){.reco-grid{grid-template-columns:repeat(2,1fr);}}
@media (max-width:575.98px){.reco-grid{grid-template-columns:1fr;gap:16px;}}
.card-item{
  display:block;
  border-radius:var(--r-m);
  border:1px solid var(--glass-brd);
  background:var(--glass-bg);
  overflow:hidden;
  box-shadow:var(--sh-card);
  transition:transform .18s ease-out, border-color .18s ease-out;
  height:100%;
}
.card-item:hover{transform:translateY(-6px);border-color:rgba(34,211,238,.35);}
.card-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--ink-700);}
.card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out;}
.card-item:hover .card-thumb img{transform:scale(1.03);}
.card-body-c{position:relative;padding:18px;}
.card-body-c h4{
  font-size:16px;font-weight:600;line-height:1.5;margin-bottom:8px;color:var(--text-1);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-body-c p{font-size:14px;color:var(--text-2);margin-bottom:14px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:13px;color:var(--text-3);}

/* ---------- 底部转化条 ---------- */
.strip-cta{
  border:1px solid var(--glass-brd);
  border-radius:var(--r-m);
  background:linear-gradient(120deg,rgba(34,211,238,.08),rgba(109,91,255,.10));
  padding:20px 24px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  margin-top:36px;
}
.strip-cta .txt{font-size:15px;color:var(--text-2);max-width:64ch;}
.strip-cta .txt strong{color:var(--text-1);}
.strip-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{
  border-top:1px solid rgba(255,255,255,.08);
  background:rgba(6,10,19,.92);
  padding:60px 0 26px;
  margin-top:40px;
  position:relative;
  z-index:1;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:36px;
}
@media (max-width:991.98px){.footer-grid{grid-template-columns:1fr 1fr;gap:28px;}}
@media (max-width:575.98px){.footer-grid{grid-template-columns:1fr;}}
.site-footer h4{font-size:15px;font-weight:700;margin-bottom:16px;color:var(--text-1);}
.site-footer p{font-size:14px;color:var(--text-2);line-height:1.8;max-width:40ch;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:14px;color:var(--text-2);}
.footer-links a:hover{color:var(--brand);}
.text-dim{font-size:13.5px;color:var(--text-3);}
.footer-bottom{
  margin-top:44px;
  padding-top:20px;
  border-top:1px solid rgba(255,255,255,.08);
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  justify-content:space-between;
  font-size:13px;
  color:var(--text-3);
}
.mb-3{margin-bottom:16px;}

@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
}

/* roulang page: category1 */
:root{
  --ink-900:#05080F;
  --ink-800:#0A1120;
  --ink-700:#101A2E;
  --brand:#22D3EE;
  --brand-2:#6D5BFF;
  --accent:#4FF0C0;
  --warn:#FFB84D;
  --text-1:#E9F1FF;
  --text-2:#A9B8D0;
  --text-3:#6E7F9B;
  --glass-bg:rgba(255,255,255,.055);
  --glass-brd:rgba(140,190,255,.14);
  --glass-blur:18px;
  --r-s:10px;
  --r-m:16px;
  --r-l:24px;
  --r-pill:999px;
  --sh-card:0 12px 32px rgba(3,8,20,.55), inset 0 1px 0 rgba(255,255,255,.06);
  --sh-glow:0 0 0 1px rgba(79,240,192,.5), 0 8px 28px rgba(79,240,192,.28);
  --bs-body-bg:#05080F;
  --bs-body-color:#E9F1FF;
  --bs-border-color:rgba(140,190,255,.14);
  --bs-primary:#22D3EE;
  --bs-primary-rgb:34,211,238;
  --bs-link-color:#22D3EE;
  --bs-link-hover-color:#4FF0C0;
  --bs-font-sans-serif:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:96px}
body{
  margin:0;
  background:var(--ink-900);
  color:var(--text-1);
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background-image:
    radial-gradient(900px 480px at 50% -160px, rgba(34,211,238,.09), transparent 70%),
    radial-gradient(720px 420px at 92% 6%, rgba(109,91,255,.07), transparent 70%),
    linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size:auto,auto,48px 48px,48px 48px;
}
a{color:var(--brand);text-decoration:none}
a:hover{color:var(--accent)}
img{max-width:100%;display:block}
h1,h2,h3,h4{letter-spacing:0;line-height:1.25;margin:0}
p{margin:0}
button{font-family:inherit}
svg{flex:0 0 auto}
.container{width:100%;margin-inline:auto;padding-inline:16px;max-width:100%}
@media (min-width:768px){.container{max-width:720px}}
@media (min-width:992px){.container{max-width:960px}}
@media (min-width:1200px){.container{max-width:1140px}}
@media (min-width:1400px){.container{max-width:1320px}}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;line-height:1;border:1px solid transparent;
  text-decoration:none;cursor:pointer;white-space:nowrap;
  transition:transform .18s ease-out,box-shadow .25s ease-out,background .2s ease,border-color .2s ease,color .2s ease;
}
.btn-primary{
  background:linear-gradient(135deg,#4FF0C0,#22D3EE);
  color:#05131A;
  box-shadow:0 6px 22px rgba(34,211,238,.22);
}
.btn-primary:hover{color:#05131A;transform:translateY(-2px);box-shadow:var(--sh-glow)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{
  background:transparent;
  border-color:rgba(140,190,255,.3);
  color:var(--text-1);
}
.btn-ghost:hover{border-color:var(--brand);background:rgba(34,211,238,.08);color:var(--text-1);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{height:38px;padding:0 18px;font-size:13.5px}
.btn-lg{height:52px;padding:0 30px;font-size:16px}
.btn:focus-visible{outline:2px solid var(--brand);outline-offset:2px}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(10,17,32,.72);
  -webkit-backdrop-filter:blur(var(--glass-blur));
  backdrop-filter:blur(var(--glass-blur));
  border-bottom:1px solid var(--glass-brd);
  transition:background .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{background:rgba(5,8,15,.95);box-shadow:0 10px 30px rgba(3,8,20,.6)}
.header-inner{display:flex;align-items:center;gap:18px;min-height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--text-1);font-weight:700;flex:0 0 auto}
.brand:hover{color:var(--text-1)}
.brand-mark{
  width:34px;height:34px;border-radius:var(--r-s);display:grid;place-items:center;
  background:linear-gradient(135deg,var(--accent),var(--brand));
  color:#05131A;font-weight:800;font-size:18px;
  box-shadow:0 4px 16px rgba(34,211,238,.35);
}
.brand-text{font-size:17px;white-space:nowrap}
.nav-search{position:relative;display:flex;align-items:center;flex:1 1 auto;min-width:360px;max-width:560px}
.nav-search .s-icon{position:absolute;left:16px;width:18px;height:18px;color:var(--text-3);pointer-events:none}
.nav-search input{
  width:100%;height:44px;border-radius:var(--r-pill);
  background:var(--glass-bg);border:1px solid var(--glass-brd);
  color:var(--text-1);font-size:14px;padding:0 18px 0 44px;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.nav-search input::placeholder{color:var(--text-3)}
.nav-search input:focus{outline:none;border-color:var(--brand);background:rgba(34,211,238,.07);box-shadow:0 0 0 4px rgba(34,211,238,.13)}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link-item{
  display:inline-block;padding:8px 12px;border-radius:var(--r-s);
  color:var(--text-2);font-size:14px;white-space:nowrap;
  transition:color .18s ease,background .18s ease;
}
.nav-link-item:hover{color:var(--text-1);background:rgba(34,211,238,.08)}
.nav-link-item.active{color:var(--brand);background:rgba(34,211,238,.1)}
.header-cta{flex:0 0 auto}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:var(--r-s);
  background:var(--glass-bg);border:1px solid var(--glass-brd);color:var(--text-1);
  cursor:pointer;transition:border-color .18s ease,background .18s ease;
}
.nav-toggle svg{width:20px;height:20px}
.nav-toggle:hover{border-color:var(--brand);background:rgba(34,211,238,.1)}
.nav-toggle:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.mobile-drawer{display:none;border-top:1px solid var(--glass-brd);background:rgba(10,17,32,.97);padding:18px 16px 24px}
.mobile-drawer.open{display:block}
.mobile-drawer .nav-search{display:flex;min-width:0;max-width:100%;margin-bottom:16px}
.mobile-links{display:flex;flex-direction:column;gap:6px;margin-bottom:18px}
.mobile-links .nav-link-item{padding:12px 14px;border-radius:var(--r-s);font-size:15px}
.mobile-drawer .btn{width:100%}

/* ---------- 内页横幅 ---------- */
.page-hero{
  position:relative;overflow:hidden;
  min-height:270px;display:flex;align-items:center;
  background-size:cover;background-position:center;
  border-bottom:1px solid rgba(140,190,255,.1);
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(5,8,15,.88),rgba(5,8,15,.76)),
    radial-gradient(640px 320px at 72% 0%, rgba(34,211,238,.16), transparent 72%);
}
.hero-inner{position:relative;z-index:2;text-align:center;padding-block:58px}
.breadcrumbs{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:16px}
.breadcrumbs a{color:var(--text-2)}
.breadcrumbs a:hover{color:var(--brand)}
.breadcrumbs svg{width:12px;height:12px;color:var(--text-3)}
.breadcrumbs .current{color:var(--text-3)}
.page-hero h1{
  font-size:clamp(28px,3.8vw,44px);font-weight:800;line-height:1.22;
  max-width:900px;margin:0 auto 14px;
}
.hero-lead{max-width:760px;margin:0 auto;color:var(--text-2);font-size:16px;line-height:1.75}
.hero-chips{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-top:22px}
.chip{
  display:inline-flex;align-items:center;gap:6px;height:30px;padding:0 14px;
  border-radius:var(--r-pill);font-size:13px;color:var(--text-2);
  background:var(--glass-bg);border:1px solid var(--glass-brd);
}
.chip .dot{width:6px;height:6px;border-radius:50%;background:var(--brand);box-shadow:0 0 8px rgba(34,211,238,.8)}

/* ---------- 页面主体 ---------- */
.page-body{position:relative;z-index:1;padding-top:72px;padding-bottom:96px}
.section + .section{margin-top:64px}
.section-head{margin-bottom:26px}
.section-head h2{font-size:26px;font-weight:700;line-height:1.3}
.section-head .sub{margin-top:8px;color:var(--text-2);font-size:14.5px;max-width:720px}

/* ---------- 左侧目录 ---------- */
.toc-panel{
  position:sticky;top:96px;
  background:var(--glass-bg);
  border:1px solid var(--glass-brd);
  border-radius:var(--r-l);
  padding:22px 20px;
  -webkit-backdrop-filter:blur(var(--glass-blur));
  backdrop-filter:blur(var(--glass-blur));
  box-shadow:var(--sh-card);
}
.toc-title{font-size:13px;font-weight:700;color:var(--text-3);margin-bottom:14px;letter-spacing:.06em}
.toc-nav{display:flex;flex-direction:column;gap:4px}
.toc-link{
  display:block;padding:10px 14px;border-radius:var(--r-s);
  font-size:14px;color:var(--text-2);
  border-left:2px solid transparent;
  transition:color .18s ease,background .18s ease,border-color .18s ease;
}
.toc-link:hover{color:var(--text-1);background:rgba(34,211,238,.07)}
.toc-link.active{color:var(--brand);background:rgba(34,211,238,.1);border-left-color:var(--brand)}
.toc-note{
  margin-top:20px;padding:16px;border-radius:var(--r-m);
  background:rgba(16,26,46,.85);border:1px solid rgba(140,190,255,.12);
}
.toc-note strong{display:block;font-size:14px;font-weight:600;margin-bottom:6px}
.toc-note p{font-size:13.5px;color:var(--text-2);line-height:1.7}
.toc-note .btn{margin-top:14px;width:100%}

/* ---------- 卡片 ---------- */
.card-glass{
  position:relative;display:flex;flex-direction:column;height:100%;
  background:var(--glass-bg);
  border:1px solid var(--glass-brd);
  border-radius:var(--r-m);
  box-shadow:var(--sh-card);
  overflow:hidden;
  -webkit-backdrop-filter:blur(var(--glass-blur));
  backdrop-filter:blur(var(--glass-blur));
  transition:transform .18s ease-out,border-color .18s ease-out,box-shadow .18s ease-out;
}
.card-glass:hover{transform:translateY(-6px);border-color:rgba(34,211,238,.35);box-shadow:0 18px 40px rgba(3,8,20,.6), inset 0 1px 0 rgba(255,255,255,.08)}
.card-cover{position:relative;aspect-ratio:3/2;overflow:hidden;background:var(--ink-700)}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .34s ease-out}
.card-glass:hover .card-cover img{transform:scale(1.03)}
.card-cover::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,8,15,0),rgba(5,8,15,.5))}
.card-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:17px;font-weight:600;line-height:1.45}
.card-body p{color:var(--text-2);font-size:14px;line-height:1.72}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:6px}
.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:var(--r-pill);font-size:12px;color:var(--brand);
  background:rgba(34,211,238,.1);border:1px solid rgba(34,211,238,.22);white-space:nowrap;
}
.card-link{position:absolute;inset:0;z-index:3;border-radius:var(--r-m)}
.card-link:focus-visible{outline:2px solid var(--brand);outline-offset:-2px}

/* ---------- 概览列表 ---------- */
.overview-list{display:grid;gap:12px}
.overview-item{
  display:flex;gap:16px;align-items:flex-start;
  padding:18px 20px;border-radius:var(--r-m);
  background:rgba(16,26,46,.78);
  border:1px solid rgba(140,190,255,.12);
  transition:border-color .18s ease,background .18s ease;
}
.overview-item:hover{border-color:rgba(34,211,238,.32);background:rgba(16,26,46,.95)}
.oi-icon{
  width:40px;height:40px;flex:0 0 40px;border-radius:12px;
  display:grid;place-items:center;color:var(--brand);
  background:rgba(34,211,238,.1);border:1px solid rgba(34,211,238,.2);
}
.oi-icon svg{width:20px;height:20px}
.overview-item h3{font-size:16px;font-weight:600;margin-bottom:4px}
.overview-item p{font-size:14px;color:var(--text-2);line-height:1.72}
.lead-text{color:var(--text-2);font-size:15.5px;line-height:1.8;margin-bottom:22px;max-width:820px}

/* ---------- 访问顺序 ---------- */
.step-flow{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.step-card{
  padding:24px 22px;border-radius:var(--r-m);
  background:linear-gradient(180deg,rgba(16,26,46,.9),rgba(10,17,32,.9));
  border:1px solid rgba(140,190,255,.12);
  transition:transform .18s ease-out,border-color .18s ease-out;
}
.step-card:hover{transform:translateY(-4px);border-color:rgba(34,211,238,.32)}
.step-num{font-size:13px;font-weight:700;color:var(--accent);letter-spacing:.08em;margin-bottom:10px}
.step-card h3{font-size:17px;font-weight:600;margin-bottom:8px}
.step-card p{font-size:14px;color:var(--text-2);line-height:1.72}

/* ---------- 状态与更新 ---------- */
.status-list{display:grid;gap:10px}
.status-row{
  display:flex;align-items:flex-start;gap:14px;
  padding:16px 18px;border-radius:var(--r-s);
  background:rgba(10,17,32,.78);
  border:1px solid rgba(140,190,255,.1);
}
.status-dot{width:8px;height:8px;margin-top:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 10px rgba(79,240,192,.8);flex:0 0 auto}
.status-row p{font-size:14px;color:var(--text-2);line-height:1.72}
.status-row strong{color:var(--text-1);font-weight:600}

/* ---------- 内链区 ---------- */
.cross-links{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.cross-card{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:20px 22px;border-radius:var(--r-m);
  background:rgba(16,26,46,.8);
  border:1px solid rgba(140,190,255,.12);
  color:var(--text-1);font-size:15px;font-weight:600;
  transition:transform .18s ease-out,border-color .18s ease-out,background .18s ease;
}
.cross-card:hover{transform:translateY(-4px);border-color:rgba(34,211,238,.4);background:rgba(34,211,238,.08);color:var(--text-1)}
.cross-card svg{width:18px;height:18px;color:var(--brand);transition:transform .18s ease-out}
.cross-card:hover svg{transform:translateX(4px)}

/* ---------- 转化提示条 ---------- */
.convert-bar{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;
  padding:26px 28px;border-radius:var(--r-l);
  background:linear-gradient(135deg,rgba(79,240,192,.07),rgba(34,211,238,.04));
  border:1px solid rgba(79,240,192,.28);
}
.convert-bar .cb-text{max-width:640px}
.convert-bar h3{font-size:18px;font-weight:600;margin-bottom:6px}
.convert-bar p{font-size:14px;color:var(--text-2);line-height:1.72}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;z-index:1;
  border-top:1px solid rgba(255,255,255,.08);
  background:rgba(6,10,20,.92);
  padding:64px 0 26px;
  margin-top:96px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px}
.site-footer h4{font-size:15px;font-weight:600;margin-bottom:16px;color:var(--text-1)}
.site-footer p{color:var(--text-3);font-size:14px;line-height:1.75;max-width:360px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{color:var(--text-2);font-size:14px;transition:color .18s ease}
.footer-links a:hover{color:var(--brand)}
.footer-links .text-dim{color:var(--text-3);font-size:13.5px;line-height:1.7}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  margin-top:44px;padding-top:22px;
  border-top:1px solid rgba(255,255,255,.08);
  color:var(--text-3);font-size:13px;
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px}
}
@media (max-width:991.98px){
  .header-inner{min-height:64px;gap:12px}
  .nav-search{display:none}
  .nav-links{display:none}
  .header-cta{display:none}
  .nav-toggle{display:inline-flex;margin-left:auto}
  .brand-text{font-size:16px}
  .page-body{padding-top:56px;padding-bottom:72px}
  .section + .section{margin-top:56px}
  .toc-panel{position:static;margin-bottom:24px}
  .toc-nav{flex-direction:row;flex-wrap:wrap;gap:8px}
  .toc-link{border-left:0;border:1px solid var(--glass-brd);padding:8px 14px;font-size:13.5px}
  .toc-link.active{border-color:var(--brand)}
  .step-flow{grid-template-columns:1fr}
  .cross-links{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
}
@media (max-width:767.98px){
  .page-hero{min-height:240px}
  .hero-inner{padding-block:44px}
  .hero-lead{font-size:15px}
  .section-head h2{font-size:22px}
  .site-footer{margin-top:72px;padding-top:48px}
}
@media (max-width:575.98px){
  .page-body{padding-top:48px;padding-bottom:56px}
  .section + .section{margin-top:56px}
  .btn{width:100%}
  .btn-sm{width:auto}
  .toc-note .btn{width:100%}
  .convert-bar{padding:22px 18px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{transition:none !important;animation:none !important}
}

/* roulang page: category2 */
:root{
  --ink-900:#05080F;
  --ink-800:#0A1120;
  --ink-700:#101A2E;
  --brand:#22D3EE;
  --brand-2:#6D5BFF;
  --accent:#4FF0C0;
  --warn:#FFB84D;
  --text-1:#E9F1FF;
  --text-2:#A9B8D0;
  --text-3:#6E7F9B;
  --glass-bg:rgba(255,255,255,.055);
  --glass-brd:rgba(140,190,255,.14);
  --glass-blur:18px;
  --r-s:10px;
  --r-m:16px;
  --r-l:24px;
  --r-pill:999px;
  --sh-card:0 12px 32px rgba(3,8,20,.55), inset 0 1px 0 rgba(255,255,255,.06);
  --sh-glow:0 0 0 1px rgba(79,240,192,.5), 0 8px 28px rgba(79,240,192,.28);
  --font:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --bs-primary:#22D3EE;
  --bs-body-bg:#05080F;
  --bs-border-color:rgba(140,190,255,.14);
  --bs-body-font-family:var(--font);
  --bs-font-sans-serif:var(--font);
  --bs-body-color:#E9F1FF;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--text-1);
  background-color:var(--ink-900);
  background-image:radial-gradient(1000px 460px at 50% -12%, rgba(34,211,238,.09), transparent 68%);
  background-repeat:no-repeat;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:
    linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:linear-gradient(180deg, rgba(0,0,0,.85), rgba(0,0,0,.15) 55%, transparent 85%);
  mask-image:linear-gradient(180deg, rgba(0,0,0,.85), rgba(0,0,0,.15) 55%, transparent 85%);
}
img{max-width:100%;display:block;border:0}
a{color:var(--brand);text-decoration:none;transition:color .18s ease,border-color .18s ease,background-color .18s ease}
a:hover{color:#7ee9ff}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;line-height:1.3;letter-spacing:0;color:var(--text-1)}
h1{font-weight:800}
h2{font-size:28px;font-weight:700}
h3{font-size:19px;font-weight:600}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}

.container,.container-fluid{
  width:100%;
  padding-left:16px;
  padding-right:16px;
  margin-left:auto;
  margin-right:auto;
  max-width:1320px;
}
@media (min-width:1400px){.container{max-width:1320px}}
@media (min-width:1200px) and (max-width:1399.98px){.container{max-width:1140px}}
@media (min-width:992px) and (max-width:1199.98px){.container{max-width:960px}}
@media (min-width:768px) and (max-width:991.98px){.container{max-width:720px}}

/* ============ 按钮 ============ */
.btn{
  --bs-btn-focus-box-shadow:none;
  border-radius:var(--r-pill);
  font-weight:600;
  font-size:15px;
  line-height:1.2;
  padding:0 22px;
  height:48px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  box-shadow:none;
  border:1px solid transparent;
  transition:transform .18s ease-out, box-shadow .18s ease-out, background-color .18s ease-out, border-color .18s ease-out, color .18s ease-out;
  white-space:nowrap;
}
.btn:active{transform:translateY(0)}
.btn-primary{
  background:linear-gradient(135deg,#4FF0C0,#22D3EE);
  color:#05131A;
  font-weight:700;
  border-color:transparent;
}
.btn-primary:hover,.btn-primary:focus{
  background:linear-gradient(135deg,#63f8cd,#39ddf5);
  color:#05131A;
  transform:translateY(-2px);
  box-shadow:var(--sh-glow);
}
.btn-ghost{
  background:transparent;
  color:var(--text-1);
  border:1px solid rgba(140,190,255,.3);
}
.btn-ghost:hover{
  color:var(--text-1);
  border-color:rgba(34,211,238,.65);
  background:rgba(34,211,238,.08);
  transform:translateY(-2px);
}
.btn-nav{height:40px;padding:0 18px;font-size:14px}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--brand);
}
.text-link svg{width:15px;height:15px;transition:transform .18s ease-out}
.text-link:hover svg{transform:translateX(3px)}
.text-dim{color:var(--text-3);font-size:13px}

/* ============ 导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:rgba(8,13,24,.72);
  -webkit-backdrop-filter:blur(var(--glass-blur));
  backdrop-filter:blur(var(--glass-blur));
  border-bottom:1px solid rgba(140,190,255,.12);
  transition:background-color .25s ease, box-shadow .25s ease;
}
.site-header.scrolled{
  background:rgba(5,8,15,.94);
  box-shadow:0 14px 36px rgba(2,6,16,.6);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:18px;
  height:72px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--text-1);
  font-weight:700;
  font-size:16px;
  flex:0 0 auto;
}
.brand:hover{color:var(--text-1)}
.brand-mark{
  width:34px;height:34px;
  border-radius:11px;
  background:linear-gradient(135deg,#4FF0C0,#22D3EE);
  color:#05131A;
  display:grid;
  place-items:center;
  font-weight:800;
  font-size:17px;
  box-shadow:0 6px 18px rgba(34,211,238,.28);
}
.brand-text{white-space:nowrap}
.nav-search{
  position:relative;
  flex:1 1 auto;
  max-width:560px;
  min-width:300px;
}
.search-icon{
  position:absolute;
  left:16px;
  top:50%;
  transform:translateY(-50%);
  width:18px;height:18px;
  stroke:var(--text-3);
  fill:none;
  stroke-width:1.8;
  stroke-linecap:round;
  pointer-events:none;
}
.search-input{
  width:100%;
  height:44px;
  padding:0 18px 0 44px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.05);
  border:1px solid var(--glass-brd);
  color:var(--text-1);
  font-size:14px;
  transition:border-color .18s ease, box-shadow .18s ease, background-color .18s ease;
}
.search-input::placeholder{color:var(--text-3)}
.search-input:focus{
  outline:none;
  border-color:rgba(34,211,238,.7);
  background:rgba(34,211,238,.06);
  box-shadow:0 0 0 4px rgba(34,211,238,.12);
}
.nav-links{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:auto;
}
.nav-link-item{
  padding:8px 12px;
  border-radius:var(--r-pill);
  font-size:14px;
  color:var(--text-2);
  white-space:nowrap;
  transition:color .18s ease, background-color .18s ease, box-shadow .18s ease;
}
.nav-link-item:hover{color:var(--text-1);background:rgba(255,255,255,.06)}
.nav-link-item.active{
  color:#9defff;
  background:rgba(34,211,238,.12);
  box-shadow:inset 0 0 0 1px rgba(34,211,238,.35);
}
.header-actions{
  display:flex;
  align-items:center;
  gap:12px;
  flex:0 0 auto;
}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  border-radius:var(--r-s);
  background:var(--glass-bg);
  border:1px solid var(--glass-brd);
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:4px;
  cursor:pointer;
}
.nav-toggle span{
  display:block;
  width:18px;height:2px;
  background:var(--text-1);
  border-radius:2px;
  transition:transform .2s ease, opacity .2s ease;
}
.nav-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.mobile-panel{
  display:none;
  padding:16px;
  border-top:1px solid rgba(140,190,255,.12);
  background:rgba(10,17,32,.96);
  -webkit-backdrop-filter:blur(var(--glass-blur));
  backdrop-filter:blur(var(--glass-blur));
}
.mobile-panel.open{display:block}
.mobile-search{margin-bottom:14px;min-width:0;max-width:none}
.mobile-links{display:flex;flex-direction:column;gap:6px;margin-bottom:14px}
.mobile-links a{
  padding:12px 14px;
  border-radius:var(--r-s);
  color:var(--text-2);
  font-size:15px;
  background:rgba(255,255,255,.03);
  border:1px solid rgba(140,190,255,.1);
}
.mobile-links a.active{
  color:#9defff;
  background:rgba(34,211,238,.12);
  border-color:rgba(34,211,238,.35);
}

@media (max-width:991.98px){
  .header-inner{height:64px;gap:12px}
  .nav-search,.nav-links,.btn-nav{display:none}
  .nav-toggle{display:flex}
  .header-actions{margin-left:auto}
}
@media (max-width:575.98px){
  .brand-text{font-size:15px}
}

/* ============ 通用板块 ============ */
.section{
  position:relative;
  z-index:1;
  padding:96px 0;
}
.section-tight{padding:72px 0}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:34px;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  letter-spacing:.14em;
  color:var(--brand);
  text-transform:uppercase;
  margin-bottom:10px;
}
.section-sub{
  color:var(--text-2);
  font-size:15px;
  margin-top:10px;
  max-width:640px;
}
@media (max-width:991.98px){
  .section{padding:72px 0}
  .section-tight{padding:56px 0}
  h2{font-size:22px}
}
@media (max-width:575.98px){
  .section{padding:56px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px}
}

/* ============ 面包屑 ============ */
.breadcrumb-trail{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:13px;
  color:var(--text-3);
  margin-bottom:18px;
}
.breadcrumb-trail a{color:var(--text-2)}
.breadcrumb-trail a:hover{color:var(--brand)}
.breadcrumb-trail .sep{width:13px;height:13px;stroke:var(--text-3);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.breadcrumb-trail .current{color:var(--text-1)}

/* ============ 内页横幅 ============ */
.page-hero{
  position:relative;
  z-index:1;
  display:flex;
  align-items:center;
  min-height:270px;
  padding:44px 0;
  overflow:hidden;
  border-bottom:1px solid rgba(255,255,255,.07);
}
.page-hero .hero-bg{
  position:absolute;
  inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  transform:scale(1.04);
}
.page-hero .hero-mask{
  position:absolute;
  inset:0;
  background:
    radial-gradient(760px 320px at 16% 0%, rgba(34,211,238,.22), transparent 72%),
    linear-gradient(180deg, rgba(5,8,15,.72), rgba(5,8,15,.92));
}
.page-hero .hero-inner{
  position:relative;
  z-index:2;
  max-width:820px;
}
.page-hero h1{
  font-size:clamp(30px,4.2vw,48px);
  line-height:1.24;
  margin-bottom:14px;
}
.page-hero h1 .hl{
  background:linear-gradient(120deg,#4FF0C0,#22D3EE 60%,#6D5BFF);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hero-lead{
  color:var(--text-2);
  font-size:16px;
  max-width:680px;
  margin:0;
}
@media (max-width:767.98px){
  .page-hero{min-height:230px;padding:32px 0}
}

/* ============ 筛选条 ============ */
.filter-bar{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  padding:10px;
  margin-bottom:32px;
  border-radius:var(--r-pill);
  background:var(--glass-bg);
  border:1px solid var(--glass-brd);
  -webkit-backdrop-filter:blur(var(--glass-blur));
  backdrop-filter:blur(var(--glass-blur));
  box-shadow:var(--sh-card);
}
.filter-pill{
  border:1px solid transparent;
  background:rgba(255,255,255,.04);
  color:var(--text-2);
  font-size:14px;
  font-weight:600;
  height:38px;
  padding:0 18px;
  border-radius:var(--r-pill);
  cursor:pointer;
  transition:color .18s ease, background-color .18s ease, border-color .18s ease, box-shadow .18s ease;
}
.filter-pill:hover{color:var(--text-1);background:rgba(34,211,238,.1)}
.filter-pill.active{
  color:#05131A;
  background:linear-gradient(135deg,#4FF0C0,#22D3EE);
  box-shadow:0 6px 20px rgba(34,211,238,.28);
}
.gallery-count{
  font-size:13px;
  color:var(--text-3);
  white-space:nowrap;
}
.gallery-count strong{color:var(--brand);font-weight:700}

/* ============ 图集卡片 ============ */
.gallery-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:24px;
}
.gallery-item.is-hidden{display:none}
.g-card{
  position:relative;
  display:flex;
  flex-direction:column;
  height:100%;
  border-radius:var(--r-m);
  background:var(--glass-bg);
  border:1px solid var(--glass-brd);
  overflow:hidden;
  box-shadow:var(--sh-card);
  transition:transform .18s ease-out, border-color .18s ease-out, box-shadow .18s ease-out;
}
.g-card:hover{
  transform:translateY(-6px);
  border-color:rgba(34,211,238,.35);
  box-shadow:0 16px 40px rgba(3,8,20,.6), inset 0 1px 0 rgba(255,255,255,.08);
}
.g-cover{
  position:relative;
  aspect-ratio:3/2;
  overflow:hidden;
  background:var(--ink-700);
}
.g-cover img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .45s ease;
}
.g-card:hover .g-cover img{transform:scale(1.03)}
.g-badge{
  position:absolute;
  top:10px;
  left:10px;
  display:inline-flex;
  align-items:center;
  gap:5px;
  padding:5px 11px;
  font-size:12px;
  font-weight:600;
  border-radius:var(--r-pill);
  background:rgba(5,8,15,.72);
  border:1px solid rgba(34,211,238,.4);
  color:#9defff;
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
}
.g-badge.hot{
  border-color:rgba(255,184,77,.45);
  color:var(--warn);
}
.g-badge svg{width:12px;height:12px;stroke:currentColor;fill:none;stroke-width:1.8}
.g-body{
  display:flex;
  flex-direction:column;
  gap:8px;
  padding:16px 16px 18px;
  flex:1 1 auto;
}
.g-title{
  font-size:17px;
  font-weight:600;
  line-height:1.4;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.g-desc{
  font-size:13px;
  line-height:1.7;
  color:var(--text-2);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  margin:0;
}
.g-meta{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  margin-top:auto;
  padding-top:6px;
  font-size:12px;
  color:var(--text-3);
}
.tag{
  display:inline-flex;
  align-items:center;
  padding:3px 10px;
  border-radius:var(--r-pill);
  font-size:12px;
  color:var(--text-2);
  background:rgba(255,255,255,.05);
  border:1px solid rgba(140,190,255,.16);
}
.tag-brand{
  color:#9defff;
  background:rgba(34,211,238,.1);
  border-color:rgba(34,211,238,.3);
}
@media (max-width:1199.98px){
  .gallery-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
}
@media (max-width:991.98px){
  .gallery-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
}
@media (max-width:575.98px){
  .gallery-grid{grid-template-columns:1fr;gap:16px}
  .filter-pill{font-size:13px;padding:0 14px}
}

/* ============ 数据条 ============ */
.stat-row{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:24px;
}
.stat-card{
  padding:24px;
  border-radius:var(--r-m);
  background:var(--ink-700);
  border:1px solid rgba(140,190,255,.14);
  box-shadow:var(--sh-card);
  transition:border-color .18s ease-out, transform .18s ease-out;
}
.stat-card:hover{transform:translateY(-4px);border-color:rgba(34,211,238,.32)}
.stat-num{
  display:block;
  font-size:34px;
  font-weight:800;
  line-height:1.1;
  background:linear-gradient(135deg,#4FF0C0,#22D3EE);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.stat-num small{font-size:14px;font-weight:600;margin-left:2px}
.stat-label{
  display:block;
  margin-top:10px;
  font-size:15px;
  font-weight:600;
  color:var(--text-1);
}
.stat-card p{
  margin:8px 0 0;
  font-size:13px;
  color:var(--text-2);
  line-height:1.7;
}
@media (max-width:991.98px){
  .stat-row{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
}
@media (max-width:575.98px){
  .stat-row{grid-template-columns:1fr}
}

/* ============ 维度说明 ============ */
.dim-panel{
  padding:34px 34px 24px;
  border-radius:var(--r-l);
  background:var(--glass-bg);
  border:1px solid var(--glass-brd);
  -webkit-backdrop-filter:blur(var(--glass-blur));
  backdrop-filter:blur(var(--glass-blur));
  box-shadow:var(--sh-card);
}
.dim-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:0 44px;
}
.dim-item{
  padding:20px 0;
  border-bottom:1px dashed rgba(140,190,255,.16);
}
.dim-item h3{
  font-size:18px;
  margin-bottom:8px;
  display:flex;
  align-items:center;
  gap:9px;
}
.dim-item h3::before{
  content:"";
  width:8px;height:8px;
  border-radius:50%;
  background:linear-gradient(135deg,#4FF0C0,#22D3EE);
  box-shadow:0 0 10px rgba(34,211,238,.6);
  flex:0 0 auto;
}
.dim-item p{
  margin:0;
  font-size:14px;
  color:var(--text-2);
  line-height:1.8;
}
@media (max-width:991.98px){
  .dim-grid{grid-template-columns:1fr;gap:0}
  .dim-panel{padding:26px 22px 18px}
}

/* ============ 流程 ============ */
.flow-row{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.flow-item{
  position:relative;
  padding:26px 24px;
  border-radius:var(--r-m);
  background:linear-gradient(160deg, rgba(34,211,238,.07), rgba(109,91,255,.05));
  border:1px solid var(--glass-brd);
  box-shadow:var(--sh-card);
}
.flow-step{
  display:inline-block;
  font-size:12px;
  letter-spacing:.16em;
  color:var(--brand);
  margin-bottom:10px;
}
.flow-item h3{font-size:18px;margin-bottom:8px}
.flow-item p{margin:0;font-size:14px;color:var(--text-2)}
@media (max-width:991.98px){
  .flow-row{grid-template-columns:1fr;gap:16px}
}

/* ============ 转化提示条 ============ */
.cta-strip{padding:0 0 96px;position:relative;z-index:1}
.strip-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:26px;
  padding:28px 32px;
  border-radius:var(--r-l);
  border:1px solid rgba(79,240,192,.32);
  background:linear-gradient(120deg, rgba(34,211,238,.08), rgba(109,91,255,.06));
  box-shadow:0 0 0 1px rgba(79,240,192,.06), 0 16px 40px rgba(3,8,20,.5);
}
.strip-inner h2{font-size:20px;margin-bottom:6px}
.strip-inner p{margin:0;font-size:14px;color:var(--text-2)}
@media (max-width:767.98px){
  .cta-strip{padding:0 0 56px}
  .strip-inner{flex-direction:column;align-items:flex-start;padding:22px}
  .strip-inner .btn{width:100%}
}

/* ============ 内链区 ============ */
.inner-link-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.inner-link-card{
  display:flex;
  flex-direction:column;
  gap:10px;
  padding:26px 24px;
  border-radius:var(--r-m);
  background:var(--glass-bg);
  border:1px solid var(--glass-brd);
  box-shadow:var(--sh-card);
  color:var(--text-1);
  transition:transform .18s ease-out, border-color .18s ease-out;
}
.inner-link-card:hover{
  transform:translateY(-6px);
  border-color:rgba(34,211,238,.35);
  color:var(--text-1);
}
.inner-link-card h3{font-size:18px}
.inner-link-card p{margin:0;font-size:14px;color:var(--text-2);line-height:1.8}
.inner-link-card .text-link{margin-top:auto}
@media (max-width:991.98px){
  .inner-link-grid{grid-template-columns:1fr;gap:16px}
}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;
  z-index:1;
  border-top:1px solid rgba(255,255,255,.08);
  background:rgba(5,8,15,.9);
  padding:64px 0 26px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:36px;
}
.site-footer h4{
  font-size:15px;
  font-weight:600;
  margin-bottom:16px;
  color:var(--text-1);
}
.site-footer p{
  font-size:14px;
  color:var(--text-2);
  line-height:1.85;
  max-width:340px;
}
.site-footer .brand{margin-bottom:14px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{
  font-size:14px;
  color:var(--text-2);
}
.footer-links a:hover{color:var(--brand)}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  margin-top:44px;
  padding-top:20px;
  border-top:1px solid rgba(255,255,255,.08);
  font-size:13px;
  color:var(--text-3);
}
@media (max-width:991.98px){
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}
}
@media (max-width:575.98px){
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .site-footer{padding:48px 0 22px}
}

@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  html{scroll-behavior:auto}
}

/* roulang page: category3 */
:root{
  --bs-primary:#22D3EE;
  --bs-body-bg:#05080F;
  --bs-body-color:#E9F1FF;
  --bs-border-color:rgba(140,190,255,.14);
  --bs-font-sans-serif:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --bs-link-color:#22D3EE;
  --bs-link-hover-color:#4FF0C0;

  --ink-900:#05080F;
  --ink-800:#0A1120;
  --ink-700:#101A2E;
  --brand:#22D3EE;
  --brand-2:#6D5BFF;
  --accent:#4FF0C0;
  --warn:#FFB84D;
  --text-1:#E9F1FF;
  --text-2:#A9B8D0;
  --text-3:#6E7F9B;
  --glass-bg:rgba(255,255,255,.055);
  --glass-brd:rgba(140,190,255,.14);
  --r-s:10px;
  --r-m:16px;
  --r-l:24px;
  --r-pill:999px;
  --sh-card:0 12px 32px rgba(3,8,20,.55),inset 0 1px 0 rgba(255,255,255,.06);
  --sh-glow:0 0 0 1px rgba(79,240,192,.5),0 8px 28px rgba(79,240,192,.28);
  --sec-gap:96px;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--ink-900);
  color:var(--text-1);
  font-family:var(--bs-font-sans-serif);
  font-size:16px;
  line-height:1.75;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background:
    radial-gradient(900px 420px at 50% -12%,rgba(34,211,238,.10),transparent 70%),
    radial-gradient(700px 380px at 92% 8%,rgba(109,91,255,.09),transparent 72%),
    linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px) 0 0/100% 48px,
    linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px) 0 0/48px 100%;
}
header,main,footer{position:relative;z-index:1;}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--accent);}
h1,h2,h3,h4{line-height:1.28;margin:0 0 12px;font-weight:700;letter-spacing:0;}
h1{font-size:clamp(30px,4.2vw,52px);font-weight:800;line-height:1.2;}
h2{font-size:28px;font-weight:700;}
h3{font-size:19px;font-weight:600;}
p{margin:0 0 16px;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}

.container{width:100%;padding-inline:16px;margin-inline:auto;}
@media (min-width:768px){.container{max-width:720px;}}
@media (min-width:992px){.container{max-width:960px;}}
@media (min-width:1200px){.container{max-width:1140px;}}
@media (min-width:1400px){.container{max-width:1320px;}}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:rgba(10,17,32,.74);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--glass-brd);
  transition:background .25s ease,box-shadow .25s ease;
}
.site-header.scrolled{
  background:rgba(5,8,15,.95);
  box-shadow:0 12px 34px rgba(0,0,0,.5);
}
.header-inner{display:flex;align-items:center;gap:18px;height:72px;}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--text-1);flex:0 0 auto;}
.brand:hover{color:var(--text-1);}
.brand-mark{
  width:34px;height:34px;border-radius:10px;
  display:grid;place-items:center;
  font-weight:800;font-size:16px;
  background:linear-gradient(135deg,#4FF0C0,#22D3EE);
  color:#05131A;
}
.brand-text{font-weight:700;font-size:17px;white-space:nowrap;}
@media (max-width:1199.98px){.brand-text{font-size:16px;}}

.nav-search{
  position:relative;
  display:flex;
  align-items:center;
  gap:8px;
  flex:1 1 auto;
  min-width:300px;
  max-width:520px;
  height:44px;
  padding:0 6px 0 40px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.05);
  border:1px solid var(--glass-brd);
  transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.nav-search:focus-within{
  border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(34,211,238,.16);
  background:rgba(34,211,238,.06);
}
.nav-search .s-icon{
  position:absolute;left:14px;top:50%;transform:translateY(-50%);
  width:17px;height:17px;stroke:var(--text-3);fill:none;stroke-width:2;
}
.nav-search input{
  flex:1 1 auto;
  min-width:0;
  height:100%;
  background:transparent;
  border:0;
  outline:none;
  color:var(--text-1);
  font-size:14.5px;
  font-family:inherit;
}
.nav-search input::placeholder{color:var(--text-3);}
.search-btn{
  flex:0 0 auto;
  height:32px;
  padding:0 16px;
  border-radius:var(--r-pill);
  border:1px solid rgba(79,240,192,.35);
  background:rgba(79,240,192,.12);
  color:var(--accent);
  font-size:13.5px;
  font-weight:600;
  font-family:inherit;
  cursor:pointer;
  transition:background .18s ease,color .18s ease;
}
.search-btn:hover{background:rgba(79,240,192,.22);color:#05131A;}

.nav-links{display:flex;align-items:center;gap:2px;margin-left:auto;}
.nav-link-item{
  padding:8px 12px;
  border-radius:var(--r-pill);
  color:var(--text-2);
  font-size:14.5px;
  white-space:nowrap;
  border:1px solid transparent;
  transition:color .18s ease,background .18s ease,border-color .18s ease;
}
.nav-link-item:hover{color:var(--text-1);background:rgba(34,211,238,.08);}
.nav-link-item.active{
  color:var(--brand);
  background:rgba(34,211,238,.12);
  border-color:rgba(34,211,238,.36);
  font-weight:600;
}
.nav-cta{
  flex:0 0 auto;
  height:40px;
  padding:0 20px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:var(--r-pill);
  background:linear-gradient(135deg,#4FF0C0,#22D3EE);
  color:#05131A;
  font-weight:700;
  font-size:14.5px;
  border:0;
  transition:transform .18s ease,box-shadow .18s ease;
}
.nav-cta:hover{color:#05131A;transform:translateY(-2px);box-shadow:var(--sh-glow);}

.nav-toggle{
  display:none;
  width:42px;height:42px;
  border-radius:12px;
  border:1px solid var(--glass-brd);
  background:var(--glass-bg);
  cursor:pointer;
  padding:0;
  place-items:center;
}
.nav-toggle span{
  display:block;width:18px;height:2px;border-radius:2px;background:var(--text-1);
  box-shadow:0 6px 0 var(--text-1),0 -6px 0 var(--text-1);
}

.mobile-drawer{
  display:none;
  position:fixed;
  top:64px;left:0;right:0;bottom:0;
  z-index:1020;
  padding:20px 16px 60px;
  overflow-y:auto;
  background:rgba(10,17,32,.96);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-top:1px solid var(--glass-brd);
}
.mobile-drawer.open{display:block;}
.mobile-drawer .nav-search{max-width:none;min-width:0;width:100%;margin-bottom:20px;}
.drawer-links{display:flex;flex-direction:column;gap:8px;margin-bottom:22px;}
.drawer-links a{
  padding:13px 16px;
  border-radius:var(--r-s);
  background:var(--glass-bg);
  border:1px solid var(--glass-brd);
  color:var(--text-2);
  font-size:15px;
}
.drawer-links a.active{color:var(--brand);border-color:rgba(34,211,238,.4);background:rgba(34,211,238,.1);}
.drawer-cta{
  display:block;text-align:center;
  height:48px;line-height:48px;
  border-radius:var(--r-pill);
  background:linear-gradient(135deg,#4FF0C0,#22D3EE);
  color:#05131A;font-weight:700;
}

@media (max-width:991.98px){
  .header-inner{height:64px;gap:12px;}
  .nav-search{display:none;}
  .nav-links{display:none;}
  .nav-cta{display:none;}
  .nav-toggle{display:grid;margin-left:auto;}
  .brand-text{font-size:15.5px;}
  .brand-mark{width:30px;height:30px;border-radius:9px;font-size:15px;}
}

/* ---------- 通用板块 ---------- */
.section{padding-block:var(--sec-gap);}
.section-tight{padding-block:calc(var(--sec-gap) * .62);}
.section-head{max-width:760px;margin-bottom:42px;}
.section-head.center{margin-inline:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.06em;
  color:var(--brand);
  padding:6px 14px;
  border-radius:var(--r-pill);
  background:rgba(34,211,238,.09);
  border:1px solid rgba(34,211,238,.26);
  margin-bottom:16px;
}
.sec-title{font-size:28px;margin-bottom:12px;}
.sec-sub{color:var(--text-2);font-size:15.5px;margin:0;}
.lead{color:var(--text-2);font-size:16.5px;}
.text-dim{color:var(--text-3);font-size:13.5px;}

/* ---------- 内页横幅 ---------- */
.page-hero{
  position:relative;
  min-height:260px;
  display:flex;
  align-items:center;
  justify-content:center;
  text-align:center;
  overflow:hidden;
  border-bottom:1px solid var(--glass-brd);
}
.page-hero .hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  opacity:.6;
}
.page-hero .hero-veil{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,8,15,.88),rgba(5,8,15,.7) 55%,rgba(5,8,15,.95));
}
.page-hero .hero-inner{position:relative;z-index:2;padding:56px 0;max-width:860px;}
.page-hero h1{margin-bottom:14px;}
.page-hero .hero-lead{
  color:var(--text-2);
  font-size:16px;
  margin:0 auto;
  max-width:680px;
}
.crumbs{
  display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:8px;
  font-size:13px;color:var(--text-3);margin-bottom:20px;
}
.crumbs a{color:var(--text-3);}
.crumbs a:hover{color:var(--brand);}
.crumbs svg{width:12px;height:12px;stroke:var(--text-3);fill:none;stroke-width:2;}
.crumbs .now{color:var(--text-2);}

/* ---------- 概览数据条 ---------- */
.stat-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
}
.stat-card{
  padding:24px 22px;
  border-radius:var(--r-m);
  background:var(--glass-bg);
  border:1px solid var(--glass-brd);
  box-shadow:var(--sh-card);
  backdrop-filter:blur(var(--glass-blur));
  -webkit-backdrop-filter:blur(var(--glass-blur));
}
.stat-card .num{
  font-size:30px;font-weight:800;line-height:1.15;
  background:linear-gradient(135deg,#4FF0C0,#22D3EE);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  margin-bottom:6px;
}
.stat-card .lab{font-size:14px;color:var(--text-2);}

/* ---------- 编号时间轴 ---------- */
.timeline{position:relative;padding-left:4px;}
.timeline::before{
  content:"";
  position:absolute;left:23px;top:14px;bottom:14px;width:2px;
  background:linear-gradient(180deg,rgba(34,211,238,.55),rgba(109,91,255,.35),rgba(34,211,238,0));
}
.tl-item{position:relative;padding-left:76px;margin-bottom:18px;}
.tl-item:last-child{margin-bottom:0;}
.tl-node{
  position:absolute;left:0;top:16px;
  width:48px;height:48px;border-radius:50%;
  display:grid;place-items:center;
  font-weight:800;font-size:15px;
  color:var(--brand);
  background:rgba(10,17,32,.95);
  border:1px solid rgba(34,211,238,.4);
  box-shadow:0 0 0 5px rgba(5,8,15,.9);
}
.tl-item.hi .tl-node{
  color:#05131A;
  background:linear-gradient(135deg,#4FF0C0,#22D3EE);
  border-color:transparent;
}
.tl-row{
  display:flex;align-items:center;gap:22px;
  padding:22px 26px;
  border-radius:var(--r-m);
  background:rgba(16,26,46,.72);
  border:1px solid var(--glass-brd);
  box-shadow:var(--sh-card);
  transition:transform .18s ease-out,border-color .18s ease-out,background .18s ease-out;
}
.tl-row:hover{
  transform:translateX(6px);
  border-color:rgba(34,211,238,.35);
  background:rgba(19,32,56,.85);
}
.tl-body{flex:1 1 auto;min-width:0;}
.tl-body h3{margin-bottom:6px;}
.tl-body p{margin:0;color:var(--text-2);font-size:14.5px;}
.tl-arrow{
  flex:0 0 auto;width:34px;height:34px;border-radius:50%;
  display:grid;place-items:center;
  border:1px solid var(--glass-brd);
  background:rgba(255,255,255,.04);
  transition:transform .18s ease,border-color .18s ease,background .18s ease;
}
.tl-arrow svg{width:15px;height:15px;stroke:var(--text-2);fill:none;stroke-width:2;}
.tl-row:hover .tl-arrow{
  transform:translateX(4px);
  border-color:rgba(79,240,192,.5);
  background:rgba(79,240,192,.12);
}
.tl-row:hover .tl-arrow svg{stroke:var(--accent);}
.tl-tag{
  display:inline-block;
  font-size:12.5px;
  padding:3px 11px;
  border-radius:var(--r-pill);
  background:rgba(109,91,255,.14);
  border:1px solid rgba(109,91,255,.34);
  color:#BEB4FF;
  margin-bottom:10px;
}

/* ---------- 紧凑编号清单 ---------- */
.check-list{display:grid;gap:14px;}
.check-row{
  display:flex;align-items:flex-start;gap:18px;
  padding:20px 22px;
  border-radius:var(--r-m);
  background:var(--glass-bg);
  border:1px solid var(--glass-brd);
  transition:border-color .18s ease,background .18s ease,transform .18s ease;
}
.check-row:hover{
  border-color:rgba(34,211,238,.32);
  background:rgba(34,211,238,.055);
  transform:translateY(-3px);
}
.check-no{
  flex:0 0 auto;
  width:36px;height:36px;border-radius:12px;
  display:grid;place-items:center;
  font-weight:800;font-size:14px;
  color:var(--brand);
  background:rgba(34,211,238,.1);
  border:1px solid rgba(34,211,238,.3);
}
.check-body{min-width:0;}
.check-body h3{font-size:17px;margin-bottom:6px;}
.check-body p{margin:0;color:var(--text-2);font-size:14.5px;}
.check-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px;}
.pill{
  font-size:12.5px;
  padding:4px 12px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.05);
  border:1px solid var(--glass-brd);
  color:var(--text-2);
}
.pill.ok{color:var(--accent);border-color:rgba(79,240,192,.36);background:rgba(79,240,192,.09);}
.pill.warn{color:var(--warn);border-color:rgba(255,184,77,.34);background:rgba(255,184,77,.09);}

/* ---------- 图文区块 ---------- */
.split{
  display:grid;
  grid-template-columns:1.05fr 1fr;
  gap:48px;
  align-items:center;
}
.split-media{
  position:relative;
  border-radius:var(--r-l);
  overflow:hidden;
  border:1px solid var(--glass-brd);
  box-shadow:var(--sh-card);
}
.split-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/11;}
.split-media::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,8,15,.12),rgba(5,8,15,.55));
  pointer-events:none;
}
.feature-list{display:grid;gap:16px;margin-top:24px;}
.feature-item{display:flex;gap:14px;align-items:flex-start;}
.feature-ico{
  flex:0 0 auto;width:40px;height:40px;border-radius:12px;
  display:grid;place-items:center;
  background:var(--glass-bg);
  border:1px solid var(--glass-brd);
}
.feature-ico svg{width:20px;height:20px;stroke:var(--brand);fill:none;stroke-width:1.8;}
.feature-item h3{font-size:16.5px;margin-bottom:4px;}
.feature-item p{margin:0;color:var(--text-2);font-size:14.5px;}

/* ---------- 转化提示条 ---------- */
.notice-bar{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  padding:24px 28px;
  border-radius:var(--r-m);
  border:1px solid rgba(79,240,192,.36);
  background:linear-gradient(135deg,rgba(79,240,192,.07),rgba(34,211,238,.04));
}
.notice-bar h3{font-size:18px;margin-bottom:6px;}
.notice-bar p{margin:0;color:var(--text-2);font-size:14.5px;}

/* ---------- 内链区 ---------- */
.link-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.link-card{
  display:block;
  padding:26px 24px;
  border-radius:var(--r-m);
  background:var(--glass-bg);
  border:1px solid var(--glass-brd);
  box-shadow:var(--sh-card);
  color:var(--text-1);
  transition:transform .18s ease-out,border-color .18s ease-out;
}
.link-card:hover{transform:translateY(-6px);border-color:rgba(34,211,238,.35);color:var(--text-1);}
.link-card h3{font-size:17px;margin-bottom:8px;}
.link-card p{margin:0 0 14px;color:var(--text-2);font-size:14.5px;}
.link-card .go{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--brand);font-size:14px;font-weight:600;
}
.link-card .go svg{width:14px;height:14px;stroke:currentColor;fill:none;stroke-width:2;transition:transform .18s ease;}
.link-card:hover .go svg{transform:translateX(3px);}

/* ---------- 按钮 ---------- */
.btn-primary{
  --bs-btn-bg:transparent;
  --bs-btn-border-color:transparent;
  --bs-btn-hover-bg:transparent;
  --bs-btn-hover-border-color:transparent;
  --bs-btn-active-bg:transparent;
  --bs-btn-active-border-color:transparent;
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;
  border:0;border-radius:var(--r-pill);
  background:linear-gradient(135deg,#4FF0C0,#22D3EE) !important;
  color:#05131A !important;
  font-weight:700;font-size:15.5px;
  box-shadow:0 8px 22px rgba(34,211,238,.22);
  transition:transform .18s ease,box-shadow .18s ease;
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--sh-glow);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;
  border-radius:var(--r-pill);
  background:transparent;
  border:1px solid rgba(140,190,255,.3);
  color:var(--text-1);
  font-weight:600;font-size:15.5px;
  transition:border-color .18s ease,background .18s ease,transform .18s ease;
}
.btn-ghost:hover{border-color:var(--brand);background:rgba(34,211,238,.08);color:var(--text-1);transform:translateY(-2px);}
.btn-row{display:flex;flex-wrap:wrap;gap:14px;}

/* ---------- 页脚 ---------- */
.site-footer{
  border-top:1px solid rgba(255,255,255,.08);
  padding-top:64px;
  margin-top:24px;
  background:linear-gradient(180deg,rgba(10,17,32,.6),rgba(5,8,15,.95));
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:44px;
}
.site-footer h4{font-size:15.5px;font-weight:700;margin-bottom:16px;color:var(--text-1);}
.site-footer p{color:var(--text-2);font-size:14.5px;margin:0;max-width:340px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{color:var(--text-2);font-size:14.5px;}
.footer-links a:hover{color:var(--brand);}
.footer-links .text-dim{font-size:13.5px;line-height:1.6;}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;
  align-items:center;justify-content:space-between;
  padding:22px 0 34px;
  border-top:1px solid rgba(255,255,255,.08);
  color:var(--text-3);font-size:13.5px;
}

@media (max-width:1199.98px){
  .stat-grid{grid-template-columns:repeat(2,1fr);}
  .split{gap:32px;}
}
@media (max-width:1024px){
  :root{--sec-gap:72px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .link-cards{grid-template-columns:1fr 1fr;}
}
@media (max-width:991.98px){
  h2,.sec-title{font-size:22px;}
  h3{font-size:17px;}
  .split{grid-template-columns:1fr;}
  .split-media{order:-1;}
}
@media (max-width:767.98px){
  :root{--sec-gap:56px;}
  .page-hero{min-height:220px;}
  .page-hero .hero-inner{padding:44px 0;}
  .page-hero .hero-lead{font-size:15px;}
  .tl-item{padding-left:58px;}
  .tl-node{width:40px;height:40px;font-size:13.5px;top:14px;}
  .timeline::before{left:19px;}
  .tl-row{padding:18px 18px;gap:14px;}
  .tl-arrow{display:none;}
  .notice-bar{flex-direction:column;align-items:flex-start;}
  .link-cards{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
}
@media (max-width:575.98px){
  body{font-size:15.5px;}
  .stat-grid{grid-template-columns:1fr;}
  .btn-primary,.btn-ghost,.btn-row .btn-primary,.btn-row .btn-ghost{width:100%;height:46px;}
  .btn-row{gap:12px;}
  .section{padding-block:var(--sec-gap);}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none !important;transition:none !important;}
  html{scroll-behavior:auto;}
}