/* roulang page: index */
/* ===================== 设计变量 ===================== */
:root{
  --bg-deep:#060912;
  --bg-base:#0A0F1F;
  --surface:rgba(255,255,255,.055);
  --surface-2:rgba(255,255,255,.028);
  --stroke:rgba(140,190,255,.16);
  --stroke-strong:rgba(53,225,242,.5);
  --primary:#35E1F2;
  --primary-deep:#1B9DF0;
  --accent:#FF4D9D;
  --accent-gold:#FFC63D;
  --text:#EAF2FF;
  --text-sub:rgba(234,242,255,.68);
  --text-dim:rgba(234,242,255,.42);
  --r-sm:8px;
  --r-md:14px;
  --r-lg:20px;
  --shadow:0 8px 28px rgba(0,0,0,.45);
  --font:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
  --container:1240px;
}

/* ===================== 基础 reset ===================== */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:96px;}
body{
  margin:0;
  background:var(--bg-deep);
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background-image:
    linear-gradient(rgba(140,190,255,.035) 1px,transparent 1px),
    linear-gradient(90deg,rgba(140,190,255,.035) 1px,transparent 1px);
  background-size:88px 88px;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
p{margin:0 0 1em;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;line-height:1.25;color:var(--text);}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;font-size:inherit;}
input,textarea{font-family:inherit;}
time,.num{font-variant-numeric:tabular-nums;}
::selection{background:rgba(53,225,242,.3);color:#fff;}

/* Foundation 覆盖 */
.grid-x{margin-left:-.9375rem;margin-right:-.9375rem;}
.grid-x > .cell{padding-left:.9375rem;padding-right:.9375rem;}
a:hover,a:focus{color:inherit;}
button:focus,input:focus,textarea:focus,a:focus{outline:none;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}

/* ===================== 通用工具 ===================== */
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
  position:relative;
  z-index:1;
}
.section{padding:96px 0;position:relative;}
.section-alt{background:var(--bg-base);}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:32px;
  flex-wrap:wrap;
}
.section-head h2{font-size:clamp(24px,2.6vw,36px);}
.section-head p{margin:8px 0 0;color:var(--text-sub);font-size:15px;max-width:620px;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  letter-spacing:.06em;
  text-transform:uppercase;
  color:var(--primary);
  background:rgba(53,225,242,.08);
  border:1px solid rgba(53,225,242,.22);
  border-radius:999px;
  padding:5px 14px;
  margin-bottom:20px;
}
.skip-link{
  position:absolute;left:-9999px;top:0;z-index:999;
  background:var(--primary);color:#04121A;padding:10px 18px;border-radius:0 0 var(--r-sm) 0;
}
.skip-link:focus{left:0;}

/* ===================== 按钮 ===================== */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 24px;
  border-radius:999px;
  font-size:16px;
  font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  white-space:nowrap;
  transition:transform 180ms ease-out,box-shadow 180ms ease-out,background 180ms ease-out,border-color 180ms ease-out,color 180ms ease-out;
}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  color:#04121A;
  box-shadow:0 0 0 1px rgba(53,225,242,.5),0 0 24px rgba(53,225,242,.35);
}
.btn-ghost{
  background:transparent;
  border-color:var(--stroke);
  color:var(--primary);
}
.btn-ghost:hover{background:rgba(53,225,242,.06);border-color:var(--stroke-strong);}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.45;box-shadow:none;pointer-events:none;}
.link-more{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:var(--primary);
  font-size:14px;
  font-weight:600;
}
.link-more svg{transition:transform 180ms ease-out;}
@media (hover:hover){
  .btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(53,225,242,.75),0 0 34px rgba(53,225,242,.5);}
  .btn-ghost:hover{transform:translateY(-2px);}
  .btn:active{transform:translateY(1px);}
  .link-more:hover svg{transform:translateX(4px);}
}

/* ===================== 徽章 / 标签 ===================== */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:12px;
  letter-spacing:.04em;
  padding:3px 10px;
  border-radius:999px;
  background:rgba(53,225,242,.12);
  color:var(--primary);
  border:1px solid rgba(53,225,242,.2);
  white-space:nowrap;
}
.badge-accent{background:rgba(255,77,157,.12);color:var(--accent);border-color:rgba(255,77,157,.28);}
.badge-gold{background:rgba(255,198,61,.14);color:var(--accent-gold);border-color:rgba(255,198,61,.3);}
.badge-locked{background:transparent;border:1px dashed rgba(140,190,255,.35);color:var(--text-sub);}
.tag{
  display:inline-flex;
  align-items:center;
  font-size:12px;
  letter-spacing:.06em;
  color:var(--text-sub);
  background:var(--surface-2);
  border:1px solid var(--stroke);
  border-radius:999px;
  padding:4px 12px;
}

/* ===================== 玻璃卡 ===================== */
.glass{
  position:relative;
  background:var(--surface);
  border:1px solid var(--stroke);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
}
.glass::before{
  content:"";
  position:absolute;
  left:16px;right:16px;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.35),transparent);
  border-radius:1px;
}
.glass-hover{transition:transform 180ms ease-out,border-color 180ms ease-out,box-shadow 180ms ease-out;}
@media (hover:hover){
  .glass-hover:hover{transform:translateY(-2px);border-color:var(--stroke-strong);}
}

/* ===================== 顶部导航 ===================== */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:200;
  height:72px;
  display:flex;
  align-items:center;
  background:transparent;
  border-bottom:1px solid rgba(140,190,255,.12);
  transition:height 220ms ease-out,background 220ms ease-out,box-shadow 220ms ease-out,border-color 220ms ease-out;
}
.site-header.is-scrolled{
  height:60px;
  background:rgba(8,12,24,.86);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:0 10px 30px rgba(0,0,0,.5);
  border-bottom-color:rgba(140,190,255,.2);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:24px;
  width:100%;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.brand-mark{
  width:34px;height:34px;
  display:grid;place-items:center;
  border-radius:10px;
  background:linear-gradient(135deg,rgba(53,225,242,.9),rgba(27,157,240,.7));
  box-shadow:0 0 18px rgba(53,225,242,.45);
  clip-path:polygon(0 0,100% 0,100% calc(100% - 8px),calc(100% - 8px) 100%,0 100%);
}
.brand-mark svg{width:20px;height:20px;}
.brand-text{
  font-size:17px;
  font-weight:800;
  letter-spacing:-.01em;
  color:var(--text);
  white-space:nowrap;
}
.main-nav{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:auto;
}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:38px;
  padding:0 14px;
  border-radius:999px;
  font-size:15px;
  color:var(--text-sub);
  transition:color 180ms ease-out,background 180ms ease-out,border-color 180ms ease-out;
  border:1px solid transparent;
  white-space:nowrap;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:2px;height:2px;
  border-radius:2px;
  background:linear-gradient(90deg,var(--primary),var(--primary-deep));
  opacity:0;
  transform:scaleX(.4);
  transition:opacity 180ms ease-out,transform 180ms ease-out;
}
.nav-link:hover{color:var(--text);}
.nav-link:hover::after{opacity:1;transform:scaleX(1);}
.nav-link.is-active{
  color:var(--primary);
  background:rgba(53,225,242,.09);
  border-color:rgba(53,225,242,.45);
}
.nav-link.is-active::after{opacity:0;}
.header-actions{
  display:flex;
  align-items:center;
  gap:12px;
  margin-left:12px;
}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:var(--r-sm);
  border:1px solid var(--stroke);
  background:var(--surface);
  cursor:pointer;
  padding:0;
  place-items:center;
  gap:5px;
  flex-direction:column;
  align-items:center;
  justify-content:center;
}
.nav-toggle span{
  display:block;
  width:18px;height:2px;
  border-radius:2px;
  background:var(--text);
}

/* 移动端抽屉 */
.drawer-mask{
  position:fixed;inset:0;z-index:300;
  background:rgba(4,7,14,.7);
  backdrop-filter:blur(2px);
  opacity:0;visibility:hidden;
  transition:opacity 220ms ease-out,visibility 220ms ease-out;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;
  top:0;right:0;bottom:0;
  z-index:310;
  width:86vw;
  max-width:400px;
  padding:20px;
  background:rgba(10,15,31,.96);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-left:1px solid var(--stroke);
  transform:translateX(100%);
  transition:transform 260ms cubic-bezier(.22,.8,.3,1);
  display:flex;
  flex-direction:column;
  gap:20px;
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding-bottom:16px;
  border-bottom:1px solid var(--stroke);
}
.drawer-close{
  width:44px;height:44px;
  border-radius:var(--r-sm);
  border:1px solid var(--stroke);
  background:var(--surface);
  color:var(--text);
  font-size:22px;
  line-height:1;
  cursor:pointer;
}
.drawer-nav{display:flex;flex-direction:column;gap:4px;}
.drawer-nav a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  min-height:52px;
  font-size:18px;
  color:var(--text-sub);
  padding:0 4px;
  border-bottom:1px solid rgba(140,190,255,.08);
}
.drawer-nav a.is-active{color:var(--primary);}
.drawer-foot{margin-top:auto;padding-top:16px;}

/* ===================== Hero ===================== */
.hero{
  position:relative;
  padding:158px 0 100px;
  background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  overflow:hidden;
}
.hero::before{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,9,18,.88) 0%,rgba(6,9,18,.93) 52%,var(--bg-deep) 100%);
}
.hero-glow{
  position:absolute;
  width:520px;height:520px;
  border-radius:50%;
  filter:blur(420px);
  pointer-events:none;
}
.hero-glow-a{top:-160px;left:-120px;background:rgba(53,225,242,.18);}
.hero-glow-b{bottom:-220px;right:-140px;background:rgba(255,77,157,.15);}
.hero-grid{align-items:center;}
.hero-copy{position:relative;z-index:2;}
.hero-copy h1{
  font-size:clamp(30px,4.4vw,54px);
  line-height:1.15;
  font-weight:800;
  margin-bottom:18px;
}
.hero-sub{
  font-size:17px;
  color:var(--text-sub);
  max-width:520px;
  margin-bottom:28px;
}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:36px;}
.stat-row{display:flex;gap:12px;flex-wrap:wrap;}
.stat-row li{
  display:flex;
  flex-direction:column;
  gap:2px;
  padding:12px 20px;
  border-radius:999px;
  background:var(--surface);
  border:1px solid var(--stroke);
  backdrop-filter:blur(10px);
}
.stat-row strong{
  font-size:22px;
  font-weight:800;
  color:var(--primary);
  font-variant-numeric:tabular-nums;
  line-height:1.2;
}
.stat-row span{font-size:13px;color:var(--text-sub);}
.hero-visual{position:relative;z-index:2;}
.hero-visual img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  border-radius:var(--r-lg);
  border:1px solid var(--stroke);
  box-shadow:var(--shadow);
  clip-path:polygon(0 0,100% 0,100% calc(100% - 18px),calc(100% - 18px) 100%,0 100%);
}
.float-card{
  position:absolute;
  left:24px;
  bottom:-28px;
  width:min(320px,80%);
  padding:18px 20px;
  border-radius:var(--r-md);
  background:rgba(10,15,31,.82);
  border:1px solid var(--stroke);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow);
}
.float-card-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  font-size:13px;
  color:var(--text-sub);
  margin-bottom:10px;
}
.float-card-head strong{color:var(--accent);font-size:14px;}
.progress{
  height:6px;
  border-radius:999px;
  background:rgba(255,255,255,.09);
  overflow:hidden;
  margin-bottom:10px;
}
.progress span{
  display:block;
  height:100%;
  border-radius:999px;
  background:linear-gradient(90deg,var(--primary),var(--accent));
  box-shadow:0 0 12px rgba(53,225,242,.6);
}
.p-72{width:72%;}
.float-card-note{font-size:13px;color:var(--text-sub);margin:0;line-height:1.6;}

/* ===================== 权益对比 ===================== */
.table-wrap{
  padding:8px;
  overflow:hidden;
}
.compare-table{
  width:100%;
  border-collapse:separate;
  border-spacing:0;
  font-size:15px;
}
.compare-table th,
.compare-table td{
  padding:16px 18px;
  text-align:left;
  border-bottom:1px solid rgba(140,190,255,.1);
}
.compare-table thead th{
  position:sticky;
  top:72px;
  z-index:2;
  background:#0C1224;
  font-size:14px;
  font-weight:700;
  color:var(--text-sub);
  letter-spacing:.02em;
  border-bottom:1px solid var(--stroke);
}
.compare-table thead th:first-child{border-radius:var(--r-md) 0 0 0;}
.compare-table thead th:last-child{border-radius:0 var(--r-md) 0 0;}
.compare-table tbody th{
  font-weight:600;
  color:var(--text);
  width:22%;
}
.compare-table tbody tr{transition:background 180ms ease-out;}
.compare-table tbody tr:hover{background:rgba(53,225,242,.045);}
.compare-table tbody tr:last-child th,
.compare-table tbody tr:last-child td{border-bottom:0;}
.col-recommend{
  background:rgba(53,225,242,.06);
  border-left:1px solid rgba(53,225,242,.35);
  border-right:1px solid rgba(53,225,242,.35);
}
th.col-recommend{
  color:var(--primary);
  clip-path:polygon(0 0,100% 0,100% calc(100% - 8px),calc(100% - 8px) 100%,0 100%);
}
td.col-recommend{color:var(--text);}
.cell-yes{display:inline-flex;align-items:center;gap:8px;}
.icon-check{
  width:18px;height:18px;flex-shrink:0;
  border-radius:50%;
  display:grid;place-items:center;
  background:rgba(53,225,242,.16);
  color:var(--primary);
}
.icon-no{
  width:18px;height:18px;flex-shrink:0;
  border-radius:50%;
  display:grid;place-items:center;
  border:1px dashed rgba(140,190,255,.35);
  color:var(--text-dim);
  font-size:12px;
}
.compare-cards{display:none;}

/* ===================== 等级亮点 ===================== */
.tier-track{position:relative;padding-left:36px;}
.tier-track::before{
  content:"";
  position:absolute;
  left:11px;top:8px;bottom:8px;
  width:2px;
  border-radius:2px;
  background:linear-gradient(180deg,var(--primary),var(--accent));
  opacity:.7;
}
.tier-card{
  position:relative;
  padding:24px;
  margin-bottom:22px;
  background:var(--surface);
  border:1px solid var(--stroke);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow);
  transition:transform 180ms ease-out,border-color 180ms ease-out;
}
.tier-card:last-child{margin-bottom:0;}
.tier-card:nth-child(even){margin-left:44px;}
.tier-node{
  position:absolute;
  left:-31px;top:34px;
  width:12px;height:12px;
  border-radius:50%;
  background:var(--bg-deep);
  border:2px solid var(--primary);
  box-shadow:0 0 12px rgba(53,225,242,.7);
}
.tier-card:nth-child(even) .tier-node{border-color:var(--accent);box-shadow:0 0 12px rgba(255,77,157,.7);}
.tier-badge{
  display:inline-block;
  font-size:12px;
  letter-spacing:.06em;
  padding:4px 12px;
  margin-bottom:12px;
  color:#04121A;
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  clip-path:polygon(0 0,100% 0,100% calc(100% - 8px),calc(100% - 8px) 100%,0 100%);
}
.tier-badge.gold{
  background:linear-gradient(135deg,var(--accent-gold),#E9A312);
}
.tier-card h3{font-size:21px;margin-bottom:14px;}
.tier-list{display:flex;flex-direction:column;gap:10px;margin-bottom:16px;}
.tier-list li{display:flex;align-items:flex-start;gap:10px;font-size:15px;color:var(--text-sub);}
.tier-list svg{flex-shrink:0;margin-top:5px;color:var(--primary);}
.tier-state{font-size:13px;color:var(--text-dim);margin:0;}
.tier-state.is-on{color:var(--primary);}
@media (hover:hover){
  .tier-card:hover{transform:translateY(-2px);border-color:var(--stroke-strong);}
}

/* ===================== 专属内容预览 ===================== */
.content-main{
  display:block;
  overflow:hidden;
  height:100%;
}
.content-cover{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
  border-radius:var(--r-lg) var(--r-lg) 0 0;
  background:linear-gradient(135deg,#122036,#2A1240);
}
.content-cover img{width:100%;height:100%;object-fit:cover;transition:transform 320ms ease-out;}
.content-main:hover .content-cover img{transform:scale(1.04);}
.content-body{padding:22px 24px 24px;}
.content-body h3{font-size:22px;margin:12px 0 10px;}
.content-body p{color:var(--text-sub);font-size:15px;margin:0 0 16px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.content-tags{display:flex;gap:8px;flex-wrap:wrap;}
.content-side{display:flex;flex-direction:column;gap:20px;height:100%;}
.content-mini{
  display:flex;
  gap:14px;
  padding:14px;
  align-items:center;
  background:var(--surface);
  border:1px solid var(--stroke);
  border-radius:var(--r-md);
  transition:transform 180ms ease-out,border-color 180ms ease-out;
}
.content-mini .thumb{
  width:92px;
  flex-shrink:0;
  aspect-ratio:16/10;
  border-radius:var(--r-sm);
  overflow:hidden;
  background:linear-gradient(135deg,#141F35,#2A1240);
}
.content-mini .thumb img{width:100%;height:100%;object-fit:cover;}
.content-mini h4{font-size:15px;font-weight:600;margin:6px 0 4px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.content-mini time{font-size:12px;color:var(--text-dim);font-variant-numeric:tabular-nums;}
.is-locked .thumb img,
.is-locked .content-cover img{filter:saturate(.6) brightness(.72);}
.lock-flag{
  position:absolute;
  top:12px;right:12px;
  width:30px;height:30px;
  border-radius:50%;
  display:grid;place-items:center;
  background:rgba(6,9,18,.72);
  border:1px solid var(--stroke);
  color:var(--text-sub);
}
.lock-tip{
  position:absolute;
  left:50%;top:50%;
  transform:translate(-50%,-50%) scale(.96);
  padding:8px 16px;
  border-radius:999px;
  background:rgba(6,9,18,.86);
  border:1px solid var(--stroke-strong);
  color:var(--primary);
  font-size:13px;
  white-space:nowrap;
  opacity:0;
  transition:opacity 180ms ease-out,transform 180ms ease-out;
  pointer-events:none;
}
@media (hover:hover){
  .is-locked:hover .lock-tip{opacity:1;transform:translate(-50%,-50%) scale(1);}
  .content-mini:hover{transform:translateY(-2px);border-color:var(--stroke-strong);}
  .content-main:hover{border-color:var(--stroke-strong);}
}

/* ===================== 最新信息列表 ===================== */
.news-item{
  display:flex;
  gap:18px;
  padding:18px;
  margin-bottom:20px;
  background:var(--surface);
  border:1px solid var(--stroke);
  border-radius:var(--r-lg);
  transition:transform 180ms ease-out,border-color 180ms ease-out;
}
.news-item:last-child{margin-bottom:0;}
.news-thumb{
  width:210px;
  flex-shrink:0;
  aspect-ratio:16/9;
  border-radius:var(--r-md);
  overflow:hidden;
  background:linear-gradient(135deg,#122036,#2A1240);
}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 320ms ease-out;}
.news-body{display:flex;flex-direction:column;gap:8px;min-width:0;}
.news-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
.news-meta time{font-size:13px;color:var(--text-dim);font-variant-numeric:tabular-nums;}
.news-body h3{font-size:18px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-body h3 a{transition:color 180ms ease-out;}
.news-body h3 a:hover{color:var(--primary);}
.news-body p{
  font-size:14px;
  color:var(--text-sub);
  margin:0;
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-side{padding:22px;position:sticky;top:96px;}
.news-side h3{font-size:16px;margin-bottom:16px;display:flex;align-items:center;gap:8px;}
.news-side h3::before{
  content:"";
  width:4px;height:16px;border-radius:2px;
  background:linear-gradient(180deg,var(--primary),var(--accent));
}
.compact-list li{
  padding:12px 0;
  border-bottom:1px dashed rgba(140,190,255,.14);
}
.compact-list li:last-child{border-bottom:0;padding-bottom:0;}
.compact-list a{font-size:14px;color:var(--text-sub);display:block;transition:color 180ms ease-out;}
.compact-list a:hover{color:var(--primary);}
.compact-list span{font-size:12px;color:var(--text-dim);font-variant-numeric:tabular-nums;display:block;margin-top:4px;}
@media (hover:hover){
  .news-item:hover{transform:translateY(-2px);border-color:var(--stroke-strong);}
  .news-item:hover .news-thumb img{transform:scale(1.04);}
}

/* ===================== 空态 ===================== */
.empty-card{
  padding:52px 24px;
  text-align:center;
  background:var(--surface);
  border:1px solid var(--stroke);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow);
}
.empty-card svg{margin:0 auto 16px;color:var(--text-dim);}
.empty-card p{color:var(--text-sub);font-size:15px;margin:0 0 20px;}

/* ===================== FAQ ===================== */
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:var(--surface);
  border:1px solid var(--stroke);
  border-radius:var(--r-md);
  overflow:hidden;
  transition:border-color 180ms ease-out,background 180ms ease-out;
}
.faq-item.is-open{border-color:var(--stroke-strong);background:rgba(53,225,242,.05);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  gap:14px;
  padding:20px 22px;
  background:none;
  border:0;
  color:var(--text);
  font-size:16px;
  font-weight:600;
  text-align:left;
  cursor:pointer;
  min-height:44px;
  transition:color 180ms ease-out;
}
.faq-q::before{
  content:"";
  width:3px;
  align-self:stretch;
  min-height:22px;
  border-radius:3px;
  background:rgba(140,190,255,.3);
  flex-shrink:0;
  transition:background 180ms ease-out,width 180ms ease-out;
}
.faq-item.is-open .faq-q::before{background:var(--primary);width:4px;box-shadow:0 0 10px rgba(53,225,242,.7);}
.faq-q span{flex:1;}
.faq-icon{
  position:relative;
  width:18px;height:18px;
  flex-shrink:0;
  transition:transform 220ms ease-out;
}
.faq-icon::before,.faq-icon::after{
  content:"";
  position:absolute;
  background:var(--text-sub);
  border-radius:2px;
}
.faq-icon::before{left:0;top:8px;width:18px;height:2px;}
.faq-icon::after{left:8px;top:0;width:2px;height:18px;}
.faq-item.is-open .faq-icon{transform:rotate(45deg);}
.faq-item.is-open .faq-icon::before,.faq-item.is-open .faq-icon::after{background:var(--primary);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height 260ms ease-out;
}
.faq-a p{
  margin:0;
  padding:0 22px 22px 39px;
  font-size:15px;
  line-height:1.8;
  color:var(--text-sub);
}

/* ===================== 底部 CTA ===================== */
.cta-band{
  position:relative;
  padding:96px 0;
  background:url('/assets/images/backpic/back-3.png') center/cover no-repeat;
  overflow:hidden;
}
.cta-band::before{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(6,9,18,.94),rgba(6,9,18,.88) 60%,rgba(10,15,31,.92));
}
.cta-inner{
  position:relative;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  padding:40px 44px;
  border-radius:var(--r-lg);
  background:rgba(10,15,31,.55);
  border:1px solid var(--stroke);
  backdrop-filter:blur(12px);
  flex-wrap:wrap;
}
.cta-inner::before,
.cta-inner::after{
  content:"";
  position:absolute;
  width:34px;height:34px;
  border:1px solid rgba(53,225,242,.5);
  pointer-events:none;
}
.cta-inner::before{top:-1px;left:-1px;border-right:0;border-bottom:0;border-radius:var(--r-lg) 0 0 0;}
.cta-inner::after{bottom:-1px;right:-1px;border-left:0;border-top:0;border-radius:0 0 var(--r-lg) 0;}
.cta-text h2{font-size:clamp(22px,2.4vw,32px);margin-bottom:10px;}
.cta-text p{margin:0;color:var(--text-sub);font-size:15px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ===================== 页脚 ===================== */
.site-footer{
  background:var(--bg-base);
  border-top:1px solid rgba(140,190,255,.12);
  padding:72px 0 0;
}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:14px;color:var(--text-sub);margin:0;max-width:320px;}
.footer-col h3{
  font-size:15px;
  margin-bottom:16px;
  color:var(--text);
  letter-spacing:.02em;
}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a{
  font-size:14px;
  color:var(--text-sub);
  display:inline-block;
  position:relative;
  transition:color 180ms ease-out,transform 180ms ease-out;
}
.footer-col a::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-2px;height:1px;
  background:var(--primary);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform 180ms ease-out;
}
.footer-col a:hover{color:var(--primary);}
.footer-col a:hover::after{transform:scaleX(1);}
.contact-list li{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--text-sub);}
.contact-list svg{color:var(--primary);flex-shrink:0;}
.footer-bottom{
  margin-top:56px;
  padding:22px 0;
  border-top:1px solid rgba(140,190,255,.1);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
}
.footer-bottom p{margin:0;font-size:13px;color:var(--text-dim);}

/* ===================== 响应式 ===================== */
@media screen and (max-width:1024px){
  .main-nav{display:none;}
  .nav-toggle{display:flex;}
  .header-inner{gap:12px;}
  .site-header{height:56px;}
  .site-header.is-scrolled{height:56px;}
  .hero{padding:120px 0 80px;}
  .section{padding:72px 0;}
  .compare-table{display:none;}
  .compare-cards{display:grid;grid-template-columns:1fr;gap:16px;}
  .news-side{position:static;margin-top:24px;}
  .tier-card:nth-child(even){margin-left:0;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1;}
}
@media screen and (max-width:640px){
  .container{padding:0 16px;}
  .section{padding:56px 0;}
  .brand-text{font-size:15px;}
  .hero{padding:104px 0 64px;}
  .hero-sub{font-size:16px;}
  .hero-actions .btn{flex:1;}
  .stat-row{gap:8px;}
  .stat-row li{padding:10px 16px;flex:1;}
  .float-card{position:static;width:100%;margin-top:16px;}
  .news-item{flex-direction:column;}
  .news-thumb{width:100%;}
  .content-mini{flex-direction:row;}
  .compare-cards{grid-template-columns:1fr;}
  .cta-inner{padding:28px 22px;}
  .cta-actions{flex-direction:column;}
  .cta-actions .btn{width:100%;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media screen and (max-width:380px){
  .brand-text{font-size:14px;}
  .btn-sm{padding:0 14px;}
}

/* 减少动效偏好 */
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
  .glass-hover:hover,.btn:hover,.news-item:hover,.tier-card:hover{transform:none !important;}
}

/* roulang page: article */
/* ============================================================
   1. 设计变量
   ============================================================ */
:root{
  --bg-deep:#060912;
  --bg-base:#0A0F1F;
  --surface:rgba(255,255,255,.055);
  --surface-strong:rgba(255,255,255,.09);
  --stroke:rgba(140,190,255,.16);
  --stroke-soft:rgba(140,190,255,.10);
  --primary:#35E1F2;
  --primary-deep:#1B9DF0;
  --accent:#FF4D9D;
  --accent-gold:#FFC63D;
  --text:#EAF2FF;
  --text-sub:rgba(234,242,255,.68);
  --text-dim:rgba(234,242,255,.42);
  --r-sm:8px;
  --r-md:14px;
  --r-lg:20px;
  --pill:999px;
  --shadow-glass:0 8px 28px rgba(0,0,0,.45);
  --shadow-float:0 18px 48px rgba(0,0,0,.55);
  --glow-primary:0 0 0 1px rgba(53,225,242,.5), 0 0 24px rgba(53,225,242,.35);
  --container:1240px;
  --header-h:72px;
  --header-h-sm:60px;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
  --font:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}

/* ============================================================
   2. 基础重置
   ============================================================ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-deep);
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  font-weight:400;
  letter-spacing:0;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  background-image:
    linear-gradient(rgba(140,190,255,.035) 1px,transparent 1px),
    linear-gradient(90deg,rgba(140,190,255,.035) 1px,transparent 1px);
  background-size:64px 64px;
  pointer-events:none;
  z-index:0;
}
body::after{
  content:"";
  position:fixed;
  inset:0;
  background:
    radial-gradient(620px 620px at 12% -6%, rgba(53,225,242,.16), transparent 70%),
    radial-gradient(560px 560px at 96% 18%, rgba(255,77,157,.12), transparent 72%);
  pointer-events:none;
  z-index:0;
}
img{max-width:100%;height:auto;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .18s ease-out}
button{font-family:inherit;font-size:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,textarea,select{font-family:inherit;font-size:inherit}
h1,h2,h3,h4,h5,h6{margin:0;font-weight:700;letter-spacing:-.01em;color:var(--text);line-height:1.25}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
table{border-collapse:collapse}
figure{margin:0}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px}
::selection{background:rgba(53,225,242,.28);color:#fff}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

/* ============================================================
   3. 布局容器
   ============================================================ */
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;position:relative;z-index:1}
.section{padding:88px 0}
.section-tight{padding:56px 0}
.section-head{margin-bottom:28px}
.section-head h2{font-size:clamp(24px,2.6vw,36px)}
.section-head p{margin-top:10px;color:var(--text-sub);font-size:15px;max-width:720px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.06em;text-transform:uppercase;
  color:var(--primary);margin-bottom:12px;
}
.eyebrow::before{content:"";width:18px;height:1px;background:var(--primary);opacity:.7}

/* ============================================================
   4. 按钮 / 标签 / 徽章
   ============================================================ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-sm);
  font-size:16px;font-weight:600;line-height:1;white-space:nowrap;
  border:0;cursor:pointer;position:relative;
  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{
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  color:#04121A;font-weight:700;
  box-shadow:var(--glow-primary);
}
.btn-ghost{
  background:transparent;border:1px solid var(--stroke);color:var(--primary);
}
.btn-sm{height:40px;padding:0 16px;font-size:14px}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;box-shadow:none}
@media (hover:hover){
  .btn:hover{transform:translateY(-2px)}
  .btn-primary:hover{box-shadow:0 0 0 1px rgba(53,225,242,.7),0 0 32px rgba(53,225,242,.5)}
  .btn-ghost:hover{background:rgba(53,225,242,.06);border-color:rgba(53,225,242,.45)}
}
.btn:active{transform:translateY(1px)}

.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--primary);font-size:14px;font-weight:600;
}
.link-arrow svg{transition:transform .18s ease-out}
@media (hover:hover){.link-arrow:hover svg{transform:translateX(4px)}}

.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border-radius:var(--pill);font-size:12px;letter-spacing:.06em;
  background:rgba(53,225,242,.12);color:var(--primary);
  border:1px solid rgba(53,225,242,.28);white-space:nowrap;
}
.badge-accent{background:rgba(255,77,157,.14);color:#FF8CC2;border-color:rgba(255,77,157,.34)}
.badge-muted{background:rgba(255,255,255,.05);color:var(--text-sub);border-color:var(--stroke)}
.badge-gold{background:rgba(255,198,61,.14);color:var(--accent-gold);border-color:rgba(255,198,61,.36)}

.tag-list{display:flex;flex-wrap:wrap;gap:10px}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;
  border-radius:var(--pill);font-size:13px;color:var(--text-sub);
  background:var(--surface);border:1px solid var(--stroke);
  transition:color .18s ease-out,border-color .18s ease-out,background .18s ease-out;
}
@media (hover:hover){
  .tag:hover{color:var(--primary);border-color:rgba(53,225,242,.42);background:rgba(53,225,242,.06)}
}

/* ============================================================
   5. 玻璃卡片
   ============================================================ */
.glass{
  position:relative;
  background:var(--surface);
  border:1px solid var(--stroke);
  border-radius:var(--r-lg);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  box-shadow:var(--shadow-glass);
}
.glass::before{
  content:"";position:absolute;left:14px;right:14px;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.28),transparent);
  pointer-events:none;
}
.card{
  position:relative;display:block;overflow:hidden;
  background:var(--surface);border:1px solid var(--stroke);
  border-radius:var(--r-lg);backdrop-filter:blur(12px);
  box-shadow:var(--shadow-glass);
  transition:transform .18s ease-out,border-color .18s ease-out,box-shadow .18s ease-out;
}
.card::before{
  content:"";position:absolute;left:14px;right:14px;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.26),transparent);
  pointer-events:none;z-index:2;
}
@media (hover:hover){
  .card:hover{transform:translateY(-2px);border-color:rgba(53,225,242,.42);box-shadow:var(--shadow-float)}
}
.cover{
  position:relative;width:100%;aspect-ratio:16/9;overflow:hidden;
  background:linear-gradient(135deg,#0E1A32,#20305A);
}
.cover img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out}
@media (hover:hover){.card:hover .cover img{transform:scale(1.04)}}
.cover::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,9,18,0) 40%,rgba(6,9,18,.6) 100%);
  pointer-events:none;
}

/* ============================================================
   6. 站点导航
   ============================================================ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:120;
  height:var(--header-h);
  background:transparent;
  border-bottom:1px solid transparent;
  transition:height .24s ease-out,background .24s ease-out,border-color .24s ease-out,box-shadow .24s ease-out;
}
.site-header.is-scrolled{
  height:var(--header-h-sm);
  background:rgba(6,9,18,.82);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom-color:var(--stroke);
  box-shadow:0 12px 34px rgba(0,0,0,.5);
}
.header-inner{display:flex;align-items:center;gap:20px;height:100%}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:32px;height:32px;border-radius:9px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  box-shadow:0 0 18px rgba(53,225,242,.4);
  transition:transform .18s ease-out;
}
.brand-mark svg{width:18px;height:18px;display:block}
.brand-text{font-size:17px;font-weight:800;letter-spacing:-.01em;white-space:nowrap}
@media (hover:hover){
  .brand:hover .brand-mark{transform:rotate(-6deg) scale(1.04)}
  .brand:hover .brand-text{color:#fff}
}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  position:relative;display:inline-flex;align-items:center;
  height:44px;padding:0 14px;border-radius:var(--pill);
  font-size:15px;color:var(--text-sub);white-space:nowrap;
  transition:color .18s ease-out,background .18s ease-out,box-shadow .18s ease-out;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:6px;height:2px;
  border-radius:2px;background:linear-gradient(90deg,var(--primary),var(--primary-deep));
  transform:scaleX(0);transform-origin:left;
  transition:transform .2s ease-out;box-shadow:0 0 12px rgba(53,225,242,.7);
}
@media (hover:hover){
  .nav-link:not(.is-active):hover{color:var(--text);background:rgba(255,255,255,.05)}
  .nav-link:not(.is-active):hover::after{transform:scaleX(1)}
}
.nav-link.is-active{
  color:var(--primary);background:rgba(53,225,242,.10);
  box-shadow:inset 0 0 0 1px rgba(53,225,242,.42);
}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--stroke);background:var(--surface);
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);transition:transform .2s ease-out,opacity .2s ease-out}

.drawer-mask{
  position:fixed;inset:0;z-index:125;
  background:rgba(4,7,14,.62);
  -webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);
  opacity:0;pointer-events:none;transition:opacity .24s ease-out;
}
.drawer-mask.is-open{opacity:1;pointer-events:auto}
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;z-index:130;
  width:86vw;max-width:400px;
  padding:22px 20px 28px;
  background:rgba(10,15,31,.96);
  -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  border-left:1px solid var(--stroke);
  display:flex;flex-direction:column;gap:6px;
  transform:translateX(102%);
  transition:transform .28s ease-out;
  overflow-y:auto;
}
.mobile-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.drawer-close{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--stroke);
  background:var(--surface);display:grid;place-items:center;font-size:20px;color:var(--text-sub);
}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  min-height:52px;padding:0 16px;border-radius:var(--r-md);
  font-size:18px;color:var(--text-sub);
  border:1px solid transparent;
  transition:background .18s ease-out,color .18s ease-out,border-color .18s ease-out;
}
.drawer-link.is-active{color:var(--primary);background:rgba(53,225,242,.10);border-color:rgba(53,225,242,.36)}
.drawer-link:hover{background:rgba(255,255,255,.05);color:var(--text)}
.drawer-cta{margin-top:auto;padding-top:20px}

/* 阅读进度条 */
.read-progress{
  position:fixed;left:0;right:0;top:71px;height:2px;z-index:118;
  background:rgba(140,190,255,.10);
  transition:top .24s ease-out;
}
.read-progress span{
  display:block;height:100%;width:0;
  background:linear-gradient(90deg,var(--primary),var(--accent));
  box-shadow:0 0 12px rgba(53,225,242,.6);
}

/* ============================================================
   7. 文章页主体
   ============================================================ */
.article-main{padding-top:128px;padding-bottom:8px;position:relative;z-index:1}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--text-dim);margin-bottom:22px;
}
.breadcrumb a{color:var(--text-sub);text-decoration:underline;text-underline-offset:2px}
@media (hover:hover){.breadcrumb a:hover{color:var(--primary)}}
.breadcrumb .sep{color:rgba(234,242,255,.24)}
.breadcrumb .current{color:var(--text-dim);max-width:46vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

.article-head{padding-bottom:26px;border-bottom:1px solid var(--stroke-soft);margin-bottom:32px}
.article-head h1{
  font-size:clamp(27px,3.4vw,42px);line-height:1.22;font-weight:800;
  letter-spacing:-.01em;max-width:900px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin-top:18px;font-size:13px;color:var(--text-dim);
}
.meta-divider{width:3px;height:3px;border-radius:50%;background:rgba(234,242,255,.3);flex:0 0 auto}
.article-meta .num{color:var(--text-sub)}

.article-layout{align-items:flex-start}
.article-col{padding-bottom:8px}
.article-side{padding-bottom:8px}
.side-inner{position:sticky;top:96px}

/* 正文排版 */
.article-body{
  font-size:17px;line-height:1.85;color:var(--text-sub);
  word-wrap:break-word;overflow-wrap:break-word;
}
.article-body p{margin:0 0 1.2em;color:var(--text-sub)}
.article-body strong,.article-body b{color:var(--text);font-weight:700}
.article-body em{color:var(--primary);font-style:normal}
.article-body a{
  color:var(--primary);text-decoration:underline;text-underline-offset:2px;
  text-decoration-thickness:1px;
}
@media (hover:hover){.article-body a:hover{color:#8CF3FF}}
.article-body h2{
  position:relative;margin:44px 0 18px;padding-left:16px;
  font-size:clamp(21px,2.1vw,27px);font-weight:700;color:var(--text);
  line-height:1.35;scroll-margin-top:96px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:4px;border-radius:2px;
  background:linear-gradient(180deg,var(--primary),var(--accent));
}
.article-body h3{
  position:relative;margin:30px 0 12px;padding-left:16px;
  font-size:20px;font-weight:700;color:var(--text);line-height:1.4;
  scroll-margin-top:96px;
}
.article-body h3::before{
  content:"";position:absolute;left:2px;top:.62em;width:7px;height:7px;border-radius:50%;
  background:var(--primary);box-shadow:0 0 10px rgba(53,225,242,.65);
}
.article-body h4{margin:24px 0 10px;font-size:17px;color:var(--text)}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.35em;line-height:1.9}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin-bottom:.4em}
.article-body ul li::marker{color:var(--primary)}
.article-body ol li::marker{color:var(--primary);font-weight:700}
.article-body blockquote{
  position:relative;margin:24px 0;padding:18px 22px 18px 26px;
  background:var(--surface);border:1px solid var(--stroke);
  border-radius:var(--r-md);color:var(--text);font-size:16px;
}
.article-body blockquote::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:2px;
  background:linear-gradient(180deg,var(--primary),var(--accent));
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:12px;margin:20px auto;box-shadow:var(--shadow-glass)}
.article-body figure{margin:22px 0}
.article-body figcaption{margin-top:8px;text-align:center;font-size:13px;color:var(--text-dim)}
.article-body hr{border:0;height:1px;background:var(--stroke-soft);margin:34px 0}
.article-body pre{
  margin:20px 0;padding:16px 18px;overflow-x:auto;
  background:#050810;border:1px solid var(--stroke);border-radius:var(--r-md);
  font-family:var(--mono);font-size:14px;line-height:1.7;color:#BFE9F5;
}
.article-body code{
  font-family:var(--mono);font-size:.92em;
  background:rgba(53,225,242,.10);color:#8CF3FF;
  padding:2px 6px;border-radius:6px;
}
.article-body pre code{background:none;padding:0;color:inherit}
.article-body .table-scroll{
  margin:22px 0;overflow-x:auto;border:1px solid var(--stroke);
  border-radius:var(--r-md);background:rgba(255,255,255,.03);
  -webkit-overflow-scrolling:touch;
}
.article-body table{width:100%;min-width:520px;border-collapse:collapse;font-size:15px}
.article-body th,.article-body td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--stroke-soft)}
.article-body th{background:rgba(53,225,242,.08);color:var(--text);font-weight:700;white-space:nowrap}
.article-body td{color:var(--text-sub)}
.article-body tr:last-child td{border-bottom:0}

/* 侧栏目录 */
.toc-card{padding:20px 22px}
.toc-title{
  display:flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.06em;color:var(--text-dim);margin-bottom:14px;
}
.toc-title::before{content:"";width:14px;height:1px;background:var(--primary)}
.toc-list{display:flex;flex-direction:column;gap:2px;max-height:56vh;overflow-y:auto}
.toc-link{
  display:block;padding:7px 12px;border-left:2px solid rgba(140,190,255,.14);
  font-size:14px;color:var(--text-sub);line-height:1.5;
  transition:color .18s ease-out,border-color .18s ease-out,background .18s ease-out;
}
@media (hover:hover){.toc-link:hover{color:var(--text);background:rgba(255,255,255,.04)}}
.toc-link.is-current{color:var(--primary);border-left-color:var(--primary);background:rgba(53,225,242,.07)}
.toc-note{
  margin-top:16px;padding-top:16px;border-top:1px solid var(--stroke-soft);
  font-size:13px;color:var(--text-dim);line-height:1.7;
}

/* 文末 */
.article-foot{margin-top:44px;padding-top:26px;border-top:1px solid var(--stroke-soft)}
.foot-block{margin-bottom:30px}
.foot-block h3{font-size:15px;color:var(--text-dim);font-weight:600;letter-spacing:.06em;margin-bottom:14px}

.pn-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.pn-card{
  position:relative;display:block;padding:18px 20px;border-radius:var(--r-md);
  background:var(--surface);border:1px solid var(--stroke);
  transition:transform .18s ease-out,border-color .18s ease-out;
}
@media (hover:hover){.pn-card:hover{transform:translateY(-2px);border-color:rgba(53,225,242,.42)}}
.pn-card .pn-label{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--text-dim);letter-spacing:.06em;margin-bottom:8px}
.pn-card .pn-title{
  font-size:15px;color:var(--text);line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.pn-card.is-disabled{opacity:.45;pointer-events:none;border-style:dashed}
.pn-card.is-next{text-align:right}
.pn-card.is-next .pn-label{justify-content:flex-end}

.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.mini-card .mini-body{padding:16px 18px 18px}
.mini-card .mini-title{
  font-size:16px;color:var(--text);line-height:1.5;margin-top:10px;font-weight:700;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.mini-card .mini-meta{margin-top:12px;font-size:13px;color:var(--text-dim);display:flex;align-items:center;gap:8px}

.back-links{display:flex;flex-wrap:wrap;gap:22px;margin-top:6px}
.back-link{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--primary);
  text-decoration:underline;text-underline-offset:3px;
}
@media (hover:hover){.back-link:hover{color:#8CF3FF}}

/* ============================================================
   8. 空态
   ============================================================ */
.empty-state{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  text-align:center;gap:14px;padding:64px 24px;border-radius:var(--r-lg);
  background:var(--surface);border:1px dashed var(--stroke);
}
.empty-state .empty-icon{
  width:56px;height:56px;border-radius:50%;display:grid;place-items:center;
  background:rgba(53,225,242,.08);border:1px solid rgba(53,225,242,.28);
  color:var(--primary);
}
.empty-state p{font-size:15px;color:var(--text-sub)}
.empty-state .empty-actions{margin-top:6px}

/* ============================================================
   9. 相关分类胶囊
   ============================================================ */
.related-cats{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.cat-pill{
  display:inline-flex;align-items:center;gap:8px;height:44px;padding:0 20px;
  border-radius:var(--pill);background:var(--surface);border:1px solid var(--stroke);
  font-size:15px;color:var(--text-sub);
  transition:transform .18s ease-out,color .18s ease-out,border-color .18s ease-out,background .18s ease-out;
}
@media (hover:hover){
  .cat-pill:hover{transform:translateY(-2px);color:var(--primary);border-color:rgba(53,225,242,.45);background:rgba(53,225,242,.06)}
}

/* ============================================================
   10. CTA 带
   ============================================================ */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  border:1px solid var(--stroke);box-shadow:var(--shadow-float);
  padding:44px 40px;
  background-image:url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(6,9,18,.94) 0%,rgba(6,9,18,.86) 55%,rgba(6,9,18,.72) 100%);
}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap}
.cta-inner h2{font-size:clamp(20px,2.2vw,28px)}
.cta-inner p{margin-top:8px;color:var(--text-sub);font-size:15px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}
.cta-corner{position:absolute;width:26px;height:26px;border:1px solid rgba(53,225,242,.5);z-index:2}
.cta-corner.tl{left:14px;top:14px;border-right:0;border-bottom:0}
.cta-corner.tr{right:14px;top:14px;border-left:0;border-bottom:0}
.cta-corner.bl{left:14px;bottom:14px;border-right:0;border-top:0}
.cta-corner.br{right:14px;bottom:14px;border-left:0;border-top:0}

/* ============================================================
   11. 页脚
   ============================================================ */
.site-footer{
  position:relative;z-index:1;margin-top:80px;
  padding:64px 0 0;background:var(--bg-base);
  border-top:1px solid var(--stroke);
}
.footer-brand p{margin-top:14px;font-size:14px;color:var(--text-sub);line-height:1.8;max-width:320px}
.footer-col h3{font-size:13px;letter-spacing:.06em;color:var(--text-dim);font-weight:600;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{
  position:relative;font-size:14px;color:var(--text-sub);
  display:inline-block;padding-bottom:1px;
}
.footer-col a::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;
  background:var(--primary);transform:scaleX(0);transform-origin:left;
  transition:transform .2s ease-out;
}
@media (hover:hover){
  .footer-col a:hover{color:var(--primary)}
  .footer-col a:hover::after{transform:scaleX(1)}
}
.contact-list li{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--text-sub)}
.contact-list svg{flex:0 0 auto;color:var(--primary)}
.footer-bottom{
  margin-top:52px;padding:22px 0 26px;border-top:1px solid var(--stroke-soft);
  display:flex;flex-wrap:wrap;gap:10px 26px;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--text-dim);
}

/* ============================================================
   12. 响应式
   ============================================================ */
@media (max-width:1024px){
  .main-nav{display:none}
  .nav-toggle{display:inline-flex}
  .header-actions .btn{height:36px;padding:0 14px;font-size:13px}
  .article-main{padding-top:104px}
  .read-progress{top:55px}
  .side-inner{position:static;top:auto}
  .article-side{margin-top:32px}
  .toc-list{max-height:none}
  .section{padding:72px 0}
  .cta-inner{flex-direction:column;align-items:flex-start}
}
@media (max-width:768px){
  .related-grid{grid-template-columns:1fr 1fr}
  .article-head h1{font-size:26px}
}
@media (max-width:640px){
  .container{padding:0 16px}
  .brand-text{font-size:15px}
  .brand-mark{width:28px;height:28px;border-radius:8px}
  .brand-mark svg{width:16px;height:16px}
  .article-main{padding-top:92px}
  .article-body{font-size:16px;line-height:1.8}
  .article-body h2{margin:34px 0 14px;padding-left:14px}
  .article-body h3{padding-left:14px}
  .pn-grid{grid-template-columns:1fr}
  .pn-card.is-next{text-align:left}
  .pn-card.is-next .pn-label{justify-content:flex-start}
  .related-grid{grid-template-columns:1fr}
  .cta-band{padding:32px 22px}
  .cta-actions{width:100%;flex-direction:column}
  .cta-actions .btn{width:100%}
  .breadcrumb .current{max-width:60vw}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .section{padding:56px 0}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important}
  .card:hover,.btn:hover,.cat-pill:hover,.pn-card:hover{transform:none !important}
}

/* roulang page: category1 */
/* ============ 设计变量 ============ */
:root{
  --bg-deep:#060912;
  --bg-base:#0A0F1F;
  --surface:rgba(255,255,255,.055);
  --surface-2:rgba(255,255,255,.09);
  --stroke:rgba(140,190,255,.16);
  --stroke-strong:rgba(53,225,242,.55);
  --primary:#35E1F2;
  --primary-deep:#1B9DF0;
  --accent:#FF4D9D;
  --accent-gold:#FFC63D;
  --text:#EAF2FF;
  --text-sub:rgba(234,242,255,.68);
  --text-dim:rgba(234,242,255,.42);
  --r-sm:8px;
  --r-md:14px;
  --r-lg:20px;
  --r-pill:999px;
  --shadow:0 8px 28px rgba(0,0,0,.45);
  --shadow-glow:0 0 0 1px rgba(53,225,242,.5),0 0 24px rgba(53,225,242,.35);
  --container:1240px;
  --ease:180ms ease-out;
}

/* ============ 基础 reset ============ */
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg-deep);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  letter-spacing:0;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body.no-scroll{overflow:hidden;}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;background:transparent;}
a:hover{color:var(--primary);}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-0.01em;color:var(--text);}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input,textarea{font-family:inherit;}
table{border-collapse:collapse;width:100%;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px;}
.num{font-variant-numeric:tabular-nums;}

/* 网格纹理底 */
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:
    linear-gradient(to right,rgba(255,255,255,.04) 1px,transparent 1px),
    linear-gradient(to bottom,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:48px 48px;
  opacity:.55;
}
.site-header,.site-main,.site-footer{position:relative;z-index:1;}

/* ============ 容器与栅格 ============ */
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}
.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:28px;
}
.section-head h2{font-size:clamp(24px,2.6vw,36px);line-height:1.25;}
.section-head .section-sub{color:var(--text-sub);font-size:15px;margin-top:8px;max-width:720px;}
.section-head .head-link{color:var(--primary);font-size:14px;white-space:nowrap;display:inline-flex;align-items:center;gap:6px;transition:gap var(--ease);}
.section-head .head-link:hover{gap:10px;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 22px;
  border-radius:var(--r-pill);
  font-size:16px;
  font-weight:600;
  line-height:1;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease);
  white-space:nowrap;
}
.btn-primary{
  color:#04121A;
  background:linear-gradient(120deg,var(--primary),var(--primary-deep));
  box-shadow:var(--shadow-glow);
}
.btn-ghost{
  color:var(--primary);
  border:1px solid var(--stroke);
  background:rgba(255,255,255,.02);
}
.btn-sm{height:38px;padding:0 16px;font-size:14px;}
.btn-block{width:100%;}
@media (hover:hover){
  .btn-primary:hover{transform:translateY(-2px);color:#04121A;box-shadow:0 0 0 1px rgba(53,225,242,.7),0 0 30px rgba(53,225,242,.5);}
  .btn-ghost:hover{transform:translateY(-2px);background:rgba(53,225,242,.08);border-color:var(--stroke-strong);color:var(--primary);}
  .btn:active{transform:translateY(1px);}
}
.btn:disabled{opacity:.45;box-shadow:none;cursor:not-allowed;}
.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-size:14px;font-weight:600;transition:gap var(--ease);}
.link-arrow::after{content:"→";transition:transform var(--ease);}
@media (hover:hover){.link-arrow:hover{gap:10px;}}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  height:72px;
  background:rgba(6,9,18,0);
  border-bottom:1px solid rgba(140,190,255,.10);
  transition:height var(--ease),background var(--ease),box-shadow var(--ease),backdrop-filter var(--ease);
}
.site-header.is-scrolled{
  height:60px;
  background:rgba(8,12,25,.78);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:0 10px 30px rgba(0,0,0,.45);
}
.header-inner{
  height:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}
.brand{display:inline-flex;align-items:center;gap:10px;}
.brand-mark{
  width:34px;height:34px;
  border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  box-shadow:0 0 18px rgba(53,225,242,.35);
  flex:none;
}
.brand-mark svg{width:19px;height:19px;}
.brand-text{
  font-size:17px;
  font-weight:800;
  letter-spacing:-0.01em;
  color:var(--text);
  white-space:nowrap;
}
.main-nav{display:flex;align-items:center;gap:6px;}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:38px;
  padding:0 14px;
  border-radius:var(--r-pill);
  font-size:15px;
  color:var(--text-sub);
  transition:color var(--ease),background var(--ease),border-color var(--ease);
  border:1px solid transparent;
}
@media (hover:hover){
  .nav-link:hover{color:var(--text);}
  .nav-link:hover::after{
    content:"";
    position:absolute;
    left:14px;right:14px;bottom:4px;
    height:2px;
    border-radius:2px;
    background:linear-gradient(90deg,var(--primary),transparent);
    box-shadow:0 0 10px rgba(53,225,242,.8);
  }
}
.nav-link.is-active{
  color:var(--text);
  background:rgba(53,225,242,.10);
  border-color:var(--stroke-strong);
}
.nav-link.is-active::after{display:none;}
.header-cta{display:flex;align-items:center;gap:12px;}
.nav-burger{
  display:none;
  width:44px;height:44px;
  border-radius:12px;
  border:1px solid var(--stroke);
  align-items:center;
  justify-content:center;
  flex:none;
}
.nav-burger span{
  display:block;width:18px;height:2px;background:var(--text);border-radius:2px;position:relative;
}
.nav-burger span::before,
.nav-burger span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text);border-radius:2px;
}
.nav-burger span::before{top:-6px;}
.nav-burger span::after{top:6px;}

/* 抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(3,6,14,.7);
  opacity:0;visibility:hidden;transition:opacity var(--ease),visibility var(--ease);
  z-index:70;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.nav-drawer{
  position:fixed;top:0;right:0;bottom:0;
  width:86vw;max-width:380px;
  background:rgba(9,14,28,.94);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-left:1px solid var(--stroke);
  transform:translateX(100%);
  transition:transform 220ms ease-out;
  z-index:80;
  display:flex;flex-direction:column;
  padding:18px 20px 26px;
  overflow-y:auto;
}
.nav-drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-close{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--stroke);
  display:flex;align-items:center;justify-content:center;font-size:20px;color:var(--text-sub);
}
.drawer-nav{display:flex;flex-direction:column;gap:6px;}
.drawer-nav a{
  font-size:18px;padding:13px 14px;border-radius:var(--r-md);
  color:var(--text-sub);border:1px solid transparent;
}
.drawer-nav a.is-active{color:var(--text);background:rgba(53,225,242,.10);border-color:var(--stroke-strong);}
.drawer-foot{margin-top:auto;padding-top:22px;}

/* ============ 分类页 Hero ============ */
.page-hero{
  position:relative;
  min-height:360px;
  display:flex;
  align-items:center;
  padding:64px 0 56px;
  overflow:hidden;
  background:
    linear-gradient(100deg,rgba(6,9,18,.94) 0%,rgba(6,9,18,.68) 55%,rgba(6,9,18,.9) 100%),
    url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  border-bottom:1px solid rgba(140,190,255,.10);
}
.page-hero::before{
  content:"";
  position:absolute;top:-180px;left:-140px;width:620px;height:620px;
  background:radial-gradient(circle,rgba(53,225,242,.18),transparent 68%);
  filter:blur(120px);
  pointer-events:none;
}
.page-hero::after{
  content:"";
  position:absolute;bottom:-240px;right:-120px;width:560px;height:560px;
  background:radial-gradient(circle,rgba(255,77,157,.14),transparent 68%);
  filter:blur(120px);
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:2;}
.breadcrumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:var(--text-sub);margin-bottom:18px;
}
.breadcrumb a{color:var(--text-sub);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb .sep{color:var(--text-dim);}
.breadcrumb .current{color:var(--text-dim);}
.page-hero h1{
  font-size:clamp(30px,4.4vw,54px);
  line-height:1.15;
  max-width:16em;
}
.page-hero .hero-lead{
  margin-top:16px;
  font-size:17px;
  color:var(--text-sub);
  max-width:620px;
}
.hero-glass{
  position:absolute;
  right:0;
  bottom:8px;
  display:flex;
  gap:26px;
  padding:16px 22px;
  border-radius:var(--r-lg);
  background:var(--surface);
  border:1px solid var(--stroke);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  box-shadow:var(--shadow);
}
.hero-glass .stat{display:flex;flex-direction:column;gap:2px;}
.hero-glass .stat strong{font-size:20px;color:var(--primary);font-variant-numeric:tabular-nums;}
.hero-glass .stat span{font-size:12px;color:var(--text-sub);letter-spacing:.06em;}

/* ============ 玻璃卡 ============ */
.glass-card{
  position:relative;
  background:var(--surface);
  border:1px solid var(--stroke);
  border-radius:var(--r-lg);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  box-shadow:var(--shadow);
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
  overflow:hidden;
}
.glass-card::before{
  content:"";
  position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.42),transparent);
  pointer-events:none;
}
@media (hover:hover){
  .glass-card:hover{transform:translateY(-2px);border-color:var(--stroke-strong);box-shadow:0 14px 34px rgba(0,0,0,.5);}
}

/* 重点卡 */
.focus-card{
  display:flex;
  flex-direction:column;
  height:100%;
  padding:22px;
}
.focus-card .tag-row{margin-bottom:14px;}
.focus-card h3{font-size:20px;line-height:1.4;}
.focus-card p{margin-top:10px;color:var(--text-sub);font-size:14px;line-height:1.7;}
.focus-card .focus-meta{
  margin-top:auto;
  padding-top:16px;
  display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--text-dim);
  border-top:1px solid rgba(140,190,255,.10);
}
.focus-card .focus-meta .num{color:var(--primary);font-weight:700;}

/* 标签与徽章 */
.tag{
  display:inline-flex;align-items:center;
  height:24px;padding:0 10px;
  border-radius:var(--r-pill);
  background:rgba(53,225,242,.12);
  color:var(--primary);
  font-size:12px;
  letter-spacing:.06em;
  font-weight:600;
}
.tag--magenta{background:rgba(255,77,157,.14);color:#FF7FB9;}
.tag--gold{background:rgba(255,198,61,.14);color:var(--accent-gold);}
.badge-level{
  display:inline-flex;align-items:center;
  height:26px;padding:0 12px;
  font-size:12px;font-weight:700;letter-spacing:.06em;
  color:#04121A;
  background:linear-gradient(120deg,var(--primary),var(--primary-deep));
  clip-path:polygon(0 0,calc(100% - 8px) 0,100% 100%,0 100%);
}
.badge-level.is-gold{
  background:linear-gradient(120deg,var(--accent-gold),#FF9C3D);
}
.badge-state{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;color:var(--text-sub);
  padding:4px 10px;border-radius:var(--r-pill);
  border:1px dashed rgba(140,190,255,.32);
}
.badge-state.is-on{border-style:solid;border-color:var(--stroke-strong);color:var(--primary);}

/* ============ 列表筛选区 ============ */
.filter-panel{padding:20px;}
.filter-panel h2{font-size:18px;margin-bottom:14px;}
.filter-list{display:flex;flex-direction:column;gap:8px;}
.filter-btn{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;
  gap:10px;
  min-height:44px;
  padding:10px 14px;
  border-radius:var(--r-md);
  border:1px solid var(--stroke);
  background:rgba(255,255,255,.02);
  color:var(--text-sub);
  font-size:14px;
  text-align:left;
  transition:all var(--ease);
}
.filter-btn .count{font-size:12px;color:var(--text-dim);font-variant-numeric:tabular-nums;}
@media (hover:hover){
  .filter-btn:hover{border-color:var(--stroke-strong);color:var(--text);transform:translateY(-2px);}
}
.filter-btn.is-active{
  color:#04121A;
  background:linear-gradient(120deg,var(--primary),var(--primary-deep));
  border-color:transparent;
  font-weight:600;
}
.filter-btn.is-active .count{color:rgba(4,18,26,.7);}
.swipe-hint{display:none;font-size:13px;color:var(--text-dim);margin:10px 0 2px;}

/* 条目标题栏 */
.feed-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:16px;margin-bottom:20px;
}
.feed-head h2{font-size:clamp(22px,2.2vw,30px);}
.feed-head .feed-note{font-size:13px;color:var(--text-dim);}

/* 条目行 */
.feed-item{
  display:block;
  padding:20px 22px;
  margin-bottom:16px;
}
.feed-row{display:flex;gap:22px;align-items:stretch;}
.feed-thumb{
  flex:0 0 232px;
  max-width:232px;
  border-radius:var(--r-md);
  overflow:hidden;
  aspect-ratio:16/9;
  background:linear-gradient(135deg,rgba(53,225,242,.20),rgba(255,77,157,.16));
}
.feed-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 220ms ease-out;}
@media (hover:hover){
  .feed-item:hover .feed-thumb img{transform:scale(1.04);}
}
.feed-body{flex:1 1 auto;min-width:0;display:flex;flex-direction:column;}
.feed-body h3{font-size:19px;line-height:1.4;}
.feed-body p{margin-top:8px;color:var(--text-sub);font-size:14px;line-height:1.72;}
.feed-tags{margin-top:12px;display:flex;gap:8px;flex-wrap:wrap;}
.feed-side{
  flex:0 0 132px;
  display:flex;flex-direction:column;align-items:flex-end;justify-content:space-between;gap:10px;
  border-left:1px solid rgba(140,190,255,.12);
  padding-left:20px;
}
.feed-side .date{font-size:13px;color:var(--text-sub);font-variant-numeric:tabular-nums;}
.feed-side .level-txt{font-size:12px;color:var(--primary);text-align:right;line-height:1.6;}
.feed-side .link-arrow{font-size:13px;}

/* ============ 场景卡 ============ */
.scene-card{padding:24px;height:100%;}
.scene-icon{
  width:44px;height:44px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(53,225,242,.12);
  color:var(--primary);
  margin-bottom:16px;
}
.scene-card h3{font-size:20px;}
.scene-card p{margin-top:10px;color:var(--text-sub);font-size:14px;}
.scene-list{margin-top:16px;display:flex;flex-direction:column;gap:10px;}
.scene-list li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:14px;color:var(--text-sub);
}
.scene-list li::before{
  content:"";flex:none;width:6px;height:6px;margin-top:9px;border-radius:50%;
  background:var(--primary);box-shadow:0 0 8px rgba(53,225,242,.7);
}

/* ============ 流程 ============ */
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.flow-step{position:relative;padding:24px 20px;}
.flow-step .step-num{
  font-size:13px;font-weight:800;letter-spacing:.1em;color:var(--primary);
  font-variant-numeric:tabular-nums;
}
.flow-step h3{font-size:18px;margin-top:10px;}
.flow-step p{margin-top:8px;color:var(--text-sub);font-size:14px;}
.flow-step::after{
  content:"";position:absolute;top:34px;right:-12px;width:24px;height:1px;
  background:linear-gradient(90deg,var(--stroke-strong),transparent);
}
.flow-grid .flow-step:last-child::after{display:none;}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{overflow:hidden;}
.faq-q{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;
  font-size:17px;font-weight:600;color:var(--text);
  text-align:left;
  min-height:44px;
  position:relative;
}
.faq-q::before{
  content:"";position:absolute;left:0;top:18px;bottom:18px;width:3px;border-radius:2px;
  background:rgba(140,190,255,.3);
  transition:background var(--ease),width var(--ease);
}
.faq-item.is-open .faq-q::before{background:var(--primary);width:4px;box-shadow:0 0 12px rgba(53,225,242,.7);}
.faq-q .plus{
  flex:none;width:22px;height:22px;position:relative;transition:transform var(--ease);
}
.faq-q .plus::before,
.faq-q .plus::after{
  content:"";position:absolute;top:50%;left:50%;background:var(--primary);border-radius:2px;
}
.faq-q .plus::before{width:14px;height:2px;transform:translate(-50%,-50%);}
.faq-q .plus::after{width:2px;height:14px;transform:translate(-50%,-50%);}
.faq-item.is-open .plus{transform:rotate(45deg);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height 260ms ease-out;
}
.faq-a-inner{
  padding:0 22px 22px 22px;
  font-size:15px;line-height:1.8;color:var(--text-sub);
}

/* ============ 相关分类 ============ */
.rel-cats{display:flex;flex-wrap:wrap;gap:12px;}
.rel-cat{
  display:inline-flex;align-items:center;gap:10px;
  height:44px;padding:0 20px;
  border-radius:var(--r-pill);
  border:1px solid var(--stroke);
  background:var(--surface);
  font-size:14px;color:var(--text-sub);
  transition:all var(--ease);
}
@media (hover:hover){
  .rel-cat:hover{transform:translateY(-2px);border-color:var(--stroke-strong);color:var(--text);}
}
.rel-cat span.dot{width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 8px rgba(255,77,157,.7);}

/* ============ CTA 带 ============ */
.cta-band{
  position:relative;
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--stroke);
  background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  padding:44px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  box-shadow:var(--shadow);
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(6,9,18,.94),rgba(6,9,18,.86));
}
.cta-band > *{position:relative;z-index:2;}
.cta-band h2{font-size:clamp(22px,2.4vw,32px);line-height:1.3;}
.cta-band p{margin-top:10px;color:var(--text-sub);font-size:15px;max-width:560px;}
.cta-actions{display:flex;gap:14px;flex:none;}
.cta-band::after{
  content:"";position:absolute;right:0;top:0;width:140px;height:140px;
  background:linear-gradient(135deg,transparent 48%,rgba(53,225,242,.28) 49%,transparent 52%);
  pointer-events:none;
}

/* ============ 空态 ============ */
.empty-state{
  display:none;
  text-align:center;
  padding:56px 24px;
}
.empty-state.is-show{display:block;}
.empty-state .empty-icon{
  width:52px;height:52px;margin:0 auto 16px;
  border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  border:1px solid var(--stroke);
  color:var(--primary);
}
.empty-state p{color:var(--text-sub);font-size:15px;margin-bottom:18px;}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:96px;
  background:var(--bg-base);
  border-top:1px solid rgba(140,190,255,.12);
  padding:64px 0 0;
}
.footer-brand p{margin-top:16px;color:var(--text-sub);font-size:14px;max-width:320px;}
.footer-col h3{
  font-size:14px;letter-spacing:.08em;color:var(--text);
  margin-bottom:18px;font-weight:700;
}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col a{
  position:relative;
  font-size:14px;color:var(--text-sub);
  transition:color var(--ease);
}
.footer-col a::after{
  content:"";position:absolute;left:0;bottom:-3px;height:1px;width:0;
  background:var(--primary);transition:width var(--ease);
}
@media (hover:hover){
  .footer-col a:hover{color:var(--primary);}
  .footer-col a:hover::after{width:100%;}
}
.contact-list li{
  display:flex;align-items:flex-start;gap:10px;
  font-size:14px;color:var(--text-sub);
}
.contact-list svg{flex:none;margin-top:4px;color:var(--primary);}
.footer-bottom{
  margin-top:48px;
  padding:22px 0 30px;
  border-top:1px solid rgba(140,190,255,.12);
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--text-dim);
}
.footer-bottom .footer-tech{color:var(--text-dim);}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .main-nav{display:none;}
  .nav-burger{display:flex;}
  .site-header{height:56px;}
  .site-header.is-scrolled{height:56px;}
  .brand-text{font-size:15px;}
  .brand-mark{width:30px;height:30px;border-radius:9px;}
  .section{padding:64px 0;}
  .section--tight{padding:52px 0;}
  .hero-glass{
    position:static;
    margin-top:26px;
    width:100%;
    justify-content:space-between;
    padding:14px 18px;
  }
  .feed-side{
    flex:0 0 108px;
    padding-left:16px;
  }
  .flow-grid{grid-template-columns:repeat(2,1fr);}
  .flow-step::after{display:none;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:34px 26px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 0;}
}

@media (max-width:640px){
  .container{padding:0 16px;}
  .page-hero{min-height:240px;padding:36px 0 40px;}
  .page-hero .hero-lead{font-size:15px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
  .section{padding:56px 0;}
  .header-cta .btn-primary{padding:0 14px;font-size:14px;height:40px;}
  .focus-card{padding:20px;}
  .feed-row{flex-direction:column;gap:16px;}
  .feed-thumb{flex:none;max-width:100%;width:100%;}
  .feed-side{
    flex:none;width:100%;
    flex-direction:row;align-items:center;justify-content:space-between;
    border-left:0;border-top:1px solid rgba(140,190,255,.12);
    padding-left:0;padding-top:12px;
  }
  .feed-side .level-txt{text-align:left;}
  .flow-grid{grid-template-columns:1fr;}
  .rel-cats{flex-direction:column;}
  .rel-cat{width:100%;justify-content:flex-start;}
  .cta-actions{flex-direction:column;}
  .cta-actions .btn{width:100%;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  /* 筛选横滑 */
  .filter-panel{padding:16px;}
  .filter-list{
    flex-direction:row;
    overflow-x:auto;
    gap:10px;
    padding-bottom:6px;
    scrollbar-width:thin;
  }
  .filter-list::-webkit-scrollbar{height:4px;}
  .filter-list::-webkit-scrollbar-thumb{background:rgba(53,225,242,.4);border-radius:4px;}
  .filter-btn{width:auto;white-space:nowrap;flex:none;}
  .filter-btn .count{display:none;}
  .swipe-hint{display:block;}
}

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

/* roulang page: category2 */
/* ============ 设计变量 ============ */
:root{
  --bg-deep:#060912;
  --bg-base:#0A0F1F;
  --surface:rgba(255,255,255,.055);
  --surface-2:rgba(255,255,255,.03);
  --stroke:rgba(140,190,255,.16);
  --stroke-strong:rgba(53,225,242,.5);
  --primary:#35E1F2;
  --primary-deep:#1B9DF0;
  --accent:#FF4D9D;
  --accent-gold:#FFC63D;
  --text:#EAF2FF;
  --text-sub:rgba(234,242,255,.68);
  --text-dim:rgba(234,242,255,.42);
  --r-sm:8px;
  --r-md:14px;
  --r-lg:20px;
  --pill:999px;
  --shadow-glass:0 8px 28px rgba(0,0,0,.45);
  --shadow-glow:0 0 0 1px rgba(53,225,242,.5),0 0 24px rgba(53,225,242,.35);
  --container:1240px;
  --ease:180ms ease-out;
}

/* ============ 基础 reset ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-deep);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  font-weight:400;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
/* 特征纹理：极淡网格线 */
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:
    linear-gradient(to right, rgba(140,190,255,.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(140,190,255,.04) 1px, transparent 1px);
  background-size:1px 1px, 1px 1px;
  opacity:1;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--primary);}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
h1,h2,h3{font-weight:800;letter-spacing:-.01em;line-height:1.25;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1;}

/* 覆盖 Foundation 默认外观 */
.foundation-less,
body .button,
body button.button{
  background-image:none;
}
a:not(.btn):not(.nav-link):not(.brand):not(.chip):not(.card-link){color:inherit;}
body .grid-container{max-width:var(--container);}

/* ============ 容器与板块 ============ */
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
  position:relative;
  z-index:1;
}
.section{padding:88px 0;position:relative;z-index:1;}
.section--tight{padding:64px 0;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:28px;
  flex-wrap:wrap;
}
.section-head h2{font-size:clamp(24px,2.6vw,36px);}
.section-head .sub{color:var(--text-sub);font-size:14px;margin-top:8px;}
.section-head .text-more{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--primary);font-size:14px;font-weight:600;white-space:nowrap;
}
.section-head .text-more svg{transition:transform var(--ease);}
.section-head .text-more:hover svg{transform:translateX(4px);}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.06em;text-transform:uppercase;
  color:var(--primary);
  background:rgba(53,225,242,.1);
  border:1px solid rgba(53,225,242,.28);
  border-radius:var(--pill);
  padding:5px 12px;
  margin-bottom:16px;
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;
  border-radius:var(--r-sm);
  font-size:16px;font-weight:600;
  transition:transform var(--ease),box-shadow var(--ease),background-color var(--ease),border-color var(--ease),color var(--ease);
  white-space:nowrap;
  clip-path:polygon(0 0,calc(100% - 10px) 0,100% 10px,100% 100%,0 100%);
}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  color:#04121A;
  box-shadow:var(--shadow-glow);
}
.btn-primary:hover{color:#04121A;box-shadow:0 0 0 1px rgba(53,225,242,.7),0 0 34px rgba(53,225,242,.5);transform:translateY(-2px);}
.btn-ghost{
  background:transparent;
  border:1px solid var(--stroke);
  color:var(--primary);
}
.btn-ghost:hover{background:rgba(53,225,242,.06);border-color:var(--stroke-strong);color:var(--primary);transform:translateY(-2px);}
.btn-sm{height:38px;padding:0 16px;font-size:14px;}
.btn:active{transform:translateY(1px);}
.btn[disabled],.btn.is-disabled{opacity:.45;box-shadow:none;pointer-events:none;}

/* ============ 玻璃卡 ============ */
.glass{
  background:var(--surface);
  border:1px solid var(--stroke);
  border-radius:var(--r-lg);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  box-shadow:var(--shadow-glass);
  position:relative;
  overflow:hidden;
}
.glass::before{
  content:"";
  position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,rgba(255,255,255,.28),rgba(255,255,255,.02));
}
.glass-hover{transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);}
.glass-hover:hover{transform:translateY(-2px);border-color:var(--stroke-strong);}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:600;letter-spacing:.03em;
  padding:4px 10px;border-radius:var(--pill);
  background:rgba(53,225,242,.12);
  color:var(--primary);
  border:1px solid rgba(53,225,242,.22);
}
.badge--accent{background:rgba(255,77,157,.12);color:#FF8FC0;border-color:rgba(255,77,157,.3);}
.badge--gold{background:rgba(255,198,61,.14);color:var(--accent-gold);border-color:rgba(255,198,61,.35);}
.badge--dashed{background:transparent;border:1px dashed var(--stroke);color:var(--text-dim);}
.tag{
  display:inline-block;
  font-size:12px;letter-spacing:.06em;
  color:var(--text-sub);
  border:1px solid var(--stroke);
  border-radius:var(--r-sm);
  padding:3px 9px;
}
.chip{
  display:inline-flex;align-items:center;
  min-height:40px;padding:0 16px;
  border-radius:var(--pill);
  border:1px solid var(--stroke);
  background:var(--surface-2);
  color:var(--text-sub);
  font-size:14px;
  transition:all var(--ease);
}
.chip:hover{color:var(--primary);border-color:var(--stroke-strong);background:rgba(53,225,242,.06);}
.chip.is-active{color:var(--primary);border-color:var(--stroke-strong);background:rgba(53,225,242,.1);}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:90;
  background:transparent;
  border-bottom:1px solid var(--stroke);
  transition:background-color .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{
  background:rgba(6,9,18,.82);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:0 14px 34px rgba(0,0,0,.45);
}
.header-inner{
  height:72px;display:flex;align-items:center;justify-content:space-between;gap:20px;
  transition:height .25s ease;
}
.site-header.is-scrolled .header-inner{height:60px;}

.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:34px;height:34px;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  box-shadow:0 0 18px rgba(53,225,242,.4);
  flex:0 0 auto;
}
.brand-mark svg{width:20px;height:20px;}
.brand-text{font-size:17px;font-weight:800;letter-spacing:-.01em;color:var(--text);white-space:nowrap;}

.main-nav{display:flex;align-items:center;gap:4px;}
.nav-link{
  position:relative;
  display:inline-flex;align-items:center;
  height:38px;padding:0 14px;
  border-radius:var(--pill);
  border:1px solid transparent;
  font-size:14px;font-weight:500;
  color:var(--text-sub);
  transition:color var(--ease),background-color var(--ease),border-color var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  border-radius:2px;
  background:linear-gradient(90deg,var(--primary),var(--primary-deep));
  box-shadow:0 0 10px rgba(53,225,242,.7);
  transform:scaleX(0);transform-origin:left center;
  transition:transform var(--ease);
}
.nav-link:hover{color:var(--text);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{
  color:var(--primary);
  background:rgba(53,225,242,.1);
  border-color:var(--stroke-strong);
}
.nav-link.is-active::after{display:none;}

.header-actions{display:flex;align-items:center;gap:12px;}
.burger{
  display:none;
  width:44px;height:44px;border-radius:var(--r-sm);
  border:1px solid var(--stroke);
  align-items:center;justify-content:center;
  background:var(--surface-2);
}
.burger span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;position:relative;}
.burger span::before,.burger span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text);border-radius:2px;
}
.burger span::before{top:-6px;}
.burger span::after{top:6px;}

.drawer-mask{
  position:fixed;inset:0;background:rgba(4,7,14,.7);backdrop-filter:blur(2px);
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;z-index:100;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:86vw;max-width:360px;
  background:rgba(10,15,31,.96);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-left:1px solid var(--stroke);
  transform:translateX(100%);
  transition:transform .3s ease;
  z-index:110;
  display:flex;flex-direction:column;
  padding:20px;
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.drawer-close{
  width:44px;height:44px;border-radius:var(--r-sm);border:1px solid var(--stroke);
  display:flex;align-items:center;justify-content:center;color:var(--text-sub);
}
.drawer-nav{display:flex;flex-direction:column;gap:6px;}
.drawer-nav a{
  display:flex;align-items:center;
  min-height:48px;padding:0 16px;font-size:18px;font-weight:600;
  border-radius:var(--r-md);
  border:1px solid transparent;
  color:var(--text-sub);
}
.drawer-nav a.is-active{color:var(--primary);background:rgba(53,225,242,.1);border-color:var(--stroke-strong);}
.drawer-foot{margin-top:auto;padding-top:24px;}
.drawer-foot .btn{width:100%;}

/* ============ 面包屑 ============ */
.crumb{
  font-size:13px;color:var(--text-dim);
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  margin-bottom:16px;
}
.crumb a{color:var(--text-sub);}
.crumb a:hover{color:var(--primary);text-decoration:underline;text-underline-offset:3px;}
.crumb .sep{color:var(--text-dim);}
.crumb .current{color:var(--text-dim);}

/* ============ 分类 Hero ============ */
.cat-hero{
  position:relative;
  min-height:360px;
  display:flex;align-items:flex-end;
  padding:56px 0 40px;
  background:#0A0F1F url("/assets/images/backpic/back-2.png") center/cover no-repeat;
  overflow:hidden;
  border-bottom:1px solid var(--stroke);
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(6,9,18,.94) 0%,rgba(6,9,18,.78) 45%,rgba(6,9,18,.55) 100%);
}
.cat-hero::after{
  content:"";position:absolute;right:-10%;top:-30%;
  width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(53,225,242,.16),transparent 68%);
  filter:blur(60px);pointer-events:none;
}
.cat-hero .container{width:100%;}
.cat-hero-inner{position:relative;z-index:2;}
.cat-hero h1{font-size:clamp(30px,4vw,48px);margin-bottom:14px;}
.cat-hero .lead{
  max-width:640px;color:var(--text-sub);font-size:16px;line-height:1.75;
}
.cat-hero-foot{
  margin-top:32px;display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;
}
.hero-info{
  display:flex;gap:0;align-items:stretch;
  background:var(--surface);
  border:1px solid var(--stroke);
  border-radius:var(--r-md);
  backdrop-filter:blur(12px);
  overflow:hidden;
}
.hero-info .cell-i{
  padding:12px 20px;
  border-right:1px solid var(--stroke);
  min-width:120px;
}
.hero-info .cell-i:last-child{border-right:0;}
.hero-info .k{font-size:12px;color:var(--text-dim);letter-spacing:.04em;}
.hero-info .v{font-size:18px;font-weight:800;color:var(--primary);}

/* ============ 首推 Mosaic ============ */
.mosaic{display:grid;grid-template-columns:repeat(12,1fr);gap:20px;}
.mosaic .m-main{grid-column:span 6;}
.mosaic .m-side{grid-column:span 6;display:grid;grid-template-rows:1fr 1fr;gap:20px;}

.feature-card{
  position:relative;display:block;overflow:hidden;
  border-radius:var(--r-lg);
  border:1px solid var(--stroke);
  background:var(--bg-base);
  box-shadow:var(--shadow-glass);
  transition:transform var(--ease),border-color var(--ease);
}
.feature-card:hover{transform:translateY(-2px);border-color:var(--stroke-strong);}
.feature-card::after{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,rgba(255,255,255,.26),rgba(255,255,255,.02));
}
.feature-card .fc-media{
  position:relative;width:100%;overflow:hidden;background:linear-gradient(135deg,#12203a,#2a1236);
}
.mosaic .m-main .fc-media{aspect-ratio:16/10;}
.mosaic .m-side .fc-media{aspect-ratio:16/7;}
.feature-card .fc-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.feature-card:hover .fc-media img{transform:scale(1.04);}
.feature-card .fc-shade{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,9,18,.05) 30%,rgba(6,9,18,.86) 100%);
}
.feature-card .fc-body{padding:20px 22px 22px;position:relative;}
.mosaic .m-main .fc-body{margin-top:-70px;position:relative;z-index:2;}
.mosaic .m-side .fc-body{padding:16px 18px 18px;}
.feature-card h3{font-size:20px;margin:10px 0 8px;line-height:1.4;}
.mosaic .m-side .fc-body h3{font-size:17px;margin:6px 0 6px;}
.feature-card p{color:var(--text-sub);font-size:14px;line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.feature-card .fc-meta{
  margin-top:14px;display:flex;align-items:center;gap:12px;
  font-size:13px;color:var(--text-dim);
}
.fc-tags{display:flex;gap:8px;flex-wrap:wrap;}

/* ============ 三列卡片网格 ============ */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.grid-card{
  display:flex;flex-direction:column;
  background:var(--surface);
  border:1px solid var(--stroke);
  border-radius:var(--r-lg);
  overflow:hidden;
  backdrop-filter:blur(12px);
  box-shadow:var(--shadow-glass);
  transition:transform var(--ease),border-color var(--ease);
}
.grid-card:hover{transform:translateY(-2px);border-color:var(--stroke-strong);}
.grid-card .gc-media{
  aspect-ratio:16/9;overflow:hidden;position:relative;
  background:linear-gradient(135deg,#12203a,#2a1236);
}
.grid-card .gc-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.grid-card:hover .gc-media img{transform:scale(1.04);}
.grid-card .gc-body{padding:20px;display:flex;flex-direction:column;flex:1;}
.grid-card h3{font-size:19px;margin:10px 0 8px;line-height:1.45;}
.grid-card p{color:var(--text-sub);font-size:14px;line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.grid-card .gc-foot{
  margin-top:auto;padding-top:16px;
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  border-top:1px solid var(--stroke);margin-top:18px;
  font-size:13px;color:var(--text-dim);
}
.grid-card .gc-foot .stat{color:var(--primary);font-weight:700;}

/* ============ 门槛排行榜表 ============ */
.table-wrap{
  border-radius:var(--r-lg);
  border:1px solid var(--stroke);
  background:var(--surface);
  backdrop-filter:blur(12px);
  box-shadow:var(--shadow-glass);
  overflow:hidden;
}
.table-scroll{overflow-x:auto;}
table.rank{width:100%;border-collapse:collapse;min-width:640px;}
table.rank thead th{
  position:sticky;top:0;
  background:rgba(10,15,31,.96);
  backdrop-filter:blur(10px);
  text-align:left;
  font-size:13px;letter-spacing:.04em;
  color:var(--text-dim);font-weight:600;
  padding:16px 20px;
  border-bottom:1px solid var(--stroke);
  white-space:nowrap;
}
table.rank tbody td{
  padding:16px 20px;
  border-bottom:1px solid rgba(140,190,255,.09);
  font-size:14px;color:var(--text-sub);
  vertical-align:middle;
}
table.rank tbody tr:last-child td{border-bottom:0;}
table.rank tbody tr{transition:background-color var(--ease);}
table.rank tbody tr:hover{background:rgba(53,225,242,.05);}
table.rank .lv{color:var(--text);font-weight:700;font-size:15px;}
table.rank .lv-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:26px;height:26px;margin-right:10px;
  border-radius:var(--r-sm);
  clip-path:polygon(0 0,calc(100% - 8px) 0,100% 8px,100% 100%,0 100%);
  background:rgba(53,225,242,.14);
  color:var(--primary);
  font-size:12px;font-weight:800;
}
table.rank .lv-mark.gold{background:rgba(255,198,61,.16);color:var(--accent-gold);}
table.rank .val{color:var(--primary);font-weight:700;font-variant-numeric:tabular-nums;}

/* 移动端等级卡片组 */
.lv-cards{display:none;gap:14px;}
.lv-card{
  background:var(--surface);
  border:1px solid var(--stroke);
  border-radius:var(--r-md);
  padding:18px;
  backdrop-filter:blur(12px);
}
.lv-card .lv-card-head{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding-bottom:12px;border-bottom:1px solid var(--stroke);margin-bottom:12px;
}
.lv-card .lv-card-head strong{font-size:16px;}
.lv-card dl{margin:0;display:grid;grid-template-columns:auto 1fr;gap:8px 14px;font-size:13px;}
.lv-card dt{color:var(--text-dim);}
.lv-card dd{margin:0;color:var(--text-sub);text-align:right;}

/* ============ 成长节奏时间线 ============ */
.steps{position:relative;padding-left:36px;}
.steps::before{
  content:"";position:absolute;left:11px;top:6px;bottom:6px;width:2px;
  background:linear-gradient(180deg,var(--primary),var(--accent));
  opacity:.7;border-radius:2px;
}
.step{
  position:relative;margin-bottom:18px;
  background:var(--surface);border:1px solid var(--stroke);
  border-radius:var(--r-md);padding:18px 20px;
  backdrop-filter:blur(12px);
  transition:transform var(--ease),border-color var(--ease);
}
.step:hover{transform:translateY(-2px);border-color:var(--stroke-strong);}
.step:last-child{margin-bottom:0;}
.step::before{
  content:"";position:absolute;left:-31px;top:26px;
  width:12px;height:12px;border-radius:50%;
  background:var(--bg-deep);border:2px solid var(--primary);
  box-shadow:0 0 12px rgba(53,225,242,.6);
}
.step h3{font-size:17px;margin-bottom:6px;display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
.step p{color:var(--text-sub);font-size:14px;line-height:1.7;}
.step .step-meta{margin-top:10px;font-size:13px;color:var(--text-dim);display:flex;gap:14px;flex-wrap:wrap;}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:12px;}
.faq-item{
  background:var(--surface);
  border:1px solid var(--stroke);
  border-radius:var(--r-md);
  backdrop-filter:blur(12px);
  overflow:hidden;
  transition:border-color var(--ease);
}
.faq-item.is-open{border-color:var(--stroke-strong);}
.faq-q{
  width:100%;min-height:60px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:16px 20px;text-align:left;
  font-size:16px;font-weight:600;color:var(--text);
}
.faq-q .bar{
  width:3px;height:20px;border-radius:2px;background:var(--stroke);
  flex:0 0 auto;transition:all var(--ease);
}
.faq-item.is-open .faq-q .bar{width:4px;background:var(--primary);box-shadow:0 0 10px rgba(53,225,242,.6);}
.faq-q .qt{flex:1;display:flex;align-items:center;gap:12px;}
.faq-q .plus{
  width:22px;height:22px;flex:0 0 auto;position:relative;
  transition:transform .25s ease;
}
.faq-q .plus::before,.faq-q .plus::after{
  content:"";position:absolute;background:var(--primary);border-radius:2px;
}
.faq-q .plus::before{left:0;top:10px;width:22px;height:2px;}
.faq-q .plus::after{left:10px;top:0;width:2px;height:22px;}
.faq-item.is-open .faq-q .plus{transform:rotate(45deg);}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .3s ease;
}
.faq-item.is-open .faq-a{max-height:420px;}
.faq-a p{
  padding:0 20px 20px 35px;
  font-size:15px;line-height:1.8;color:var(--text-sub);
}

/* ============ CTA 带 ============ */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:var(--r-lg);
  border:1px solid var(--stroke);
  padding:36px 32px;
  background:#0A0F1F url("/assets/images/backpic/back-3.png") center/cover no-repeat;
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
  box-shadow:var(--shadow-glass);
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(6,9,18,.92),rgba(6,9,18,.86));
}
.cta-band > *{position:relative;z-index:2;}
.cta-band .cta-title{font-size:clamp(20px,2vw,26px);font-weight:800;}
.cta-band .cta-sub{color:var(--text-sub);font-size:14px;margin-top:8px;max-width:560px;}
.cta-band .corner{
  position:absolute;width:18px;height:18px;border:1px solid rgba(53,225,242,.5);z-index:2;
}
.cta-band .corner.tl{top:12px;left:12px;border-right:0;border-bottom:0;}
.cta-band .corner.tr{top:12px;right:12px;border-left:0;border-bottom:0;}
.cta-band .corner.bl{bottom:12px;left:12px;border-right:0;border-top:0;}
.cta-band .corner.br{bottom:12px;right:12px;border-left:0;border-top:0;}

/* ============ 相关分类 ============ */
.related-cats{
  border-top:1px solid var(--stroke);
  padding:32px 0 40px;
  position:relative;z-index:1;
}
.related-cats .rt{font-size:13px;color:var(--text-dim);letter-spacing:.06em;margin-bottom:14px;}

/* ============ 空态 ============ */
.empty{
  text-align:center;
  padding:56px 24px;
  background:var(--surface);
  border:1px solid var(--stroke);
  border-radius:var(--r-lg);
  backdrop-filter:blur(12px);
}
.empty svg{color:var(--text-dim);margin-bottom:14px;}
.empty p{color:var(--text-sub);font-size:15px;margin-bottom:18px;}

/* ============ 页脚 ============ */
.site-footer{
  background:linear-gradient(180deg,rgba(10,15,31,.6),rgba(6,9,18,1));
  border-top:1px solid var(--stroke);
  padding:64px 0 0;
  position:relative;z-index:1;
}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{color:var(--text-sub);font-size:14px;max-width:320px;line-height:1.8;}
.footer-col h3{
  font-size:14px;font-weight:700;letter-spacing:.04em;
  color:var(--text);margin-bottom:16px;
}
.footer-col ul{display:grid;gap:10px;}
.footer-col ul a{
  position:relative;display:inline-block;
  font-size:14px;color:var(--text-sub);
  padding-bottom:2px;
}
.footer-col ul a::after{
  content:"";position:absolute;left:0;bottom:0;height:1px;width:100%;
  background:var(--primary);transform:scaleX(0);transform-origin:left center;
  transition:transform var(--ease);
}
.footer-col ul a:hover{color:var(--primary);}
.footer-col ul a:hover::after{transform:scaleX(1);}
.contact-list li{
  display:flex;align-items:flex-start;gap:10px;
  font-size:14px;color:var(--text-sub);line-height:1.6;
}
.contact-list svg{flex:0 0 auto;margin-top:4px;color:var(--primary);}
.footer-bottom{
  margin-top:48px;
  border-top:1px solid var(--stroke);
  padding:22px 0;
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:var(--text-dim);
}
.footer-bottom .legal{color:var(--text-dim);}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .main-nav{display:none;}
  .burger{display:flex;}
  .section{padding:64px 0;}
  .container{padding:0 20px;}
  .mosaic .m-main,.mosaic .m-side{grid-column:span 12;}
  .mosaic .m-side{grid-template-rows:auto;gap:20px;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .cat-hero{min-height:300px;padding:48px 0 32px;}
}
@media (max-width:640px){
  .container{padding:0 16px;}
  .section{padding:56px 0;}
  .section-head{margin-bottom:22px;}
  body{font-size:15px;}
  .header-inner{height:56px;}
  .brand-mark{width:30px;height:30px;}
  .brand-text{font-size:15px;}
  .cat-hero{min-height:250px;padding:36px 0 28px;}
  .cat-hero .lead{font-size:15px;
    display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
  .hero-info{width:100%;}
  .hero-info .cell-i{flex:1;min-width:0;padding:10px 12px;}
  .card-grid{grid-template-columns:1fr;}
  .mosaic .m-side{grid-template-rows:auto;}
  .table-wrap{display:none;}
  .lv-cards{display:grid;}
  .cta-band{padding:26px 20px;}
  .cta-band .btn{width:100%;}
  .steps{padding-left:28px;}
  .steps::before{left:7px;}
  .step::before{left:-27px;}
  .faq-a p{padding-left:20px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

@media (hover:hover){
  .grid-card:hover .gc-foot .stat{color:var(--accent);}
}

@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
  .feature-card:hover,.grid-card:hover,.glass-hover:hover,.step:hover,.btn:hover{transform:none;}
  .feature-card:hover .fc-media img,.grid-card:hover .gc-media img{transform:none;}
}

/* roulang page: category3 */
/* ============ 设计变量 ============ */
:root{
  --bg-deep:#060912;
  --bg-base:#0A0F1F;
  --surface:rgba(255,255,255,.055);
  --surface-strong:rgba(255,255,255,.085);
  --stroke:rgba(140,190,255,.16);
  --stroke-strong:rgba(140,190,255,.3);
  --primary:#35E1F2;
  --primary-deep:#1B9DF0;
  --accent:#FF4D9D;
  --accent-gold:#FFC63D;
  --text:#EAF2FF;
  --text-sub:rgba(234,242,255,.68);
  --text-dim:rgba(234,242,255,.42);
  --r-sm:8px;
  --r-md:14px;
  --r-lg:20px;
  --shadow-glass:0 8px 28px rgba(0,0,0,.45);
  --shadow-glow:0 0 0 1px rgba(53,225,242,.5),0 0 24px rgba(53,225,242,.35);
  --container:1240px;
  --ease:180ms ease-out;
}

/* ============ 基础 reset ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-deep);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  font-weight:400;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background-image:
    linear-gradient(rgba(140,190,255,.04) 1px,transparent 1px),
    linear-gradient(90deg,rgba(140,190,255,.04) 1px,transparent 1px);
  background-size:64px 64px;
}
body::after{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background:
    radial-gradient(620px 620px at 10% 6%,rgba(53,225,242,.16),transparent 70%),
    radial-gradient(560px 560px at 92% 34%,rgba(255,77,157,.12),transparent 70%);
  filter:blur(20px);
}
body.is-locked{overflow:hidden;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;line-height:1.25;color:var(--text);}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
img{max-width:100%;display:block;}
a{color:var(--primary);text-decoration:none;transition:color var(--ease),border-color var(--ease),background-color var(--ease);}
a:hover{color:var(--primary);}
button{font-family:inherit;cursor:pointer;}
strong,em{font-style:normal;}
table{border-collapse:collapse;width:100%;}

/* Foundation 默认外观覆盖 */
a:focus{outline:none;}
.button,a.button{background:none;border:none;padding:0;margin:0;color:inherit;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
  position:relative;
  z-index:2;
}

/* ============ 通用组件：按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 24px;
  border-radius:999px;
  font-size:16px;
  font-weight:600;
  letter-spacing:.01em;
  border:1px solid transparent;
  transition:transform var(--ease),box-shadow var(--ease),background-color var(--ease),border-color var(--ease),color var(--ease);
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  color:#04121A;
  box-shadow:var(--shadow-glow);
}
.btn-ghost{
  background:transparent;
  border-color:var(--stroke);
  color:var(--primary);
}
.btn-sm{height:38px;padding:0 18px;font-size:14px;}
.btn[disabled],.btn.is-disabled{opacity:.45;box-shadow:none;pointer-events:none;}
@media (hover:hover){
  .btn:hover{transform:translateY(-2px);}
  .btn:active{transform:translateY(1px);}
  .btn-primary:hover{box-shadow:0 0 0 1px rgba(53,225,242,.6),0 0 32px rgba(53,225,242,.5);}
  .btn-ghost:hover{background:rgba(53,225,242,.06);border-color:rgba(53,225,242,.45);}
}

.text-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--primary);
}
.text-link .arrow{transition:transform var(--ease);}
@media (hover:hover){.text-link:hover .arrow{transform:translateX(4px);}}

/* 玻璃卡 */
.glass{
  background:var(--surface);
  border:1px solid var(--stroke);
  border-radius:var(--r-lg);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  box-shadow:var(--shadow-glass),inset 0 1px 0 rgba(255,255,255,.08);
}
@media (hover:hover){
  .glass.is-hoverable:hover{border-color:rgba(53,225,242,.45);transform:translateY(-2px);}
  .glass.is-hoverable{transition:transform var(--ease),border-color var(--ease);}
}

/* 徽章 / 标签 */
.tag{
  display:inline-flex;
  align-items:center;
  height:24px;
  padding:0 10px;
  border-radius:999px;
  font-size:12px;
  letter-spacing:.06em;
  text-transform:uppercase;
  background:rgba(53,225,242,.12);
  color:var(--primary);
  border:1px solid rgba(53,225,242,.22);
  line-height:1;
}
.tag-pink{background:rgba(255,77,157,.12);color:var(--accent);border-color:rgba(255,77,157,.24);}
.tag-mute{background:rgba(255,255,255,.05);color:var(--text-sub);border-color:var(--stroke);}

/* ============ 导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  height:72px;
  display:flex;
  align-items:center;
  background:rgba(6,9,18,.42);
  border-bottom:1px solid var(--stroke);
  transition:height var(--ease),background-color var(--ease),box-shadow var(--ease);
}
.site-header.is-scrolled{
  height:60px;
  background:rgba(8,12,24,.86);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:0 12px 32px rgba(0,0,0,.5);
}
.header-inner{display:flex;align-items:center;gap:18px;width:100%;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:34px;height:34px;border-radius:10px;
  background:linear-gradient(135deg,var(--primary),var(--primary-deep) 55%,var(--accent));
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 0 18px rgba(53,225,242,.35);
  flex:0 0 auto;
}
.brand-mark svg{width:19px;height:19px;}
.brand-text{font-size:17px;font-weight:800;letter-spacing:-.01em;color:var(--text);white-space:nowrap;}
.main-nav{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:auto;
  margin-right:auto;
  padding:4px;
  border-radius:999px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--stroke);
}
.nav-link{
  display:inline-flex;
  align-items:center;
  height:38px;
  padding:0 16px;
  border-radius:999px;
  font-size:15px;
  font-weight:500;
  color:var(--text-sub);
  transition:color var(--ease),background-color var(--ease),box-shadow var(--ease);
  white-space:nowrap;
}
.nav-link.is-active{
  color:var(--primary);
  background:rgba(53,225,242,.12);
  box-shadow:inset 0 0 0 1px rgba(53,225,242,.42);
  font-weight:600;
}
@media (hover:hover){
  .nav-link:hover{color:var(--text);background:rgba(53,225,242,.07);}
  .nav-link.is-active:hover{color:var(--primary);}
}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:12px;
  border:1px solid var(--stroke);
  background:rgba(255,255,255,.04);
  padding:0;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
}
.nav-toggle span{display:block;width:18px;height:1.5px;background:var(--text);border-radius:2px;transition:transform var(--ease),opacity var(--ease);}

/* 移动抽屉 */
.drawer-mask{
  position:fixed;inset:0;z-index:70;
  background:rgba(3,6,14,.62);
  opacity:0;
  transition:opacity 220ms ease-out;
}
.drawer-mask.is-show{opacity:1;}
.mobile-drawer{
  position:fixed;
  top:0;right:0;
  z-index:80;
  width:86vw;
  max-width:380px;
  height:100vh;
  padding:22px 20px 28px;
  background:rgba(9,13,26,.97);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-left:1px solid var(--stroke);
  transform:translateX(100%);
  transition:transform 240ms ease-out;
  display:flex;
  flex-direction:column;
  gap:16px;
  overflow-y:auto;
}
.mobile-drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;}
.drawer-close{
  width:44px;height:44px;
  border-radius:12px;
  border:1px solid var(--stroke);
  background:transparent;
  color:var(--text-sub);
  font-size:20px;
  line-height:1;
}
.drawer-nav{display:flex;flex-direction:column;gap:6px;margin-top:8px;}
.drawer-nav a{
  display:flex;
  align-items:center;
  min-height:52px;
  padding:0 16px;
  border-radius:var(--r-md);
  font-size:18px;
  font-weight:600;
  color:var(--text-sub);
  border:1px solid transparent;
}
.drawer-nav a.is-active{
  color:var(--primary);
  background:rgba(53,225,242,.1);
  border-color:rgba(53,225,242,.4);
}
.drawer-foot{margin-top:auto;}

/* ============ Hero ============ */
.hero{
  position:relative;
  padding:78px 0 68px;
  min-height:344px;
  background-image:url("/assets/images/backpic/back-1.webp");
  background-size:cover;
  background-position:center 30%;
  background-color:var(--bg-base);
  overflow:hidden;
}
.hero::before{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(105deg,rgba(6,9,18,.95) 0%,rgba(6,9,18,.86) 48%,rgba(6,9,18,.7) 100%);
}
.hero-inner{position:relative;z-index:2;}
.breadcrumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--text-dim);
  margin-bottom:20px;
  flex-wrap:wrap;
}
.breadcrumb a{color:var(--text-sub);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb .current{color:var(--text-sub);}
.hero h1{
  font-size:clamp(30px,4.4vw,54px);
  font-weight:800;
  margin-bottom:16px;
}
.hero-lead{
  max-width:640px;
  font-size:17px;
  line-height:1.75;
  color:var(--text-sub);
}
.hero-meta{
  display:flex;
  align-items:center;
  gap:22px;
  width:fit-content;
  max-width:100%;
  margin:30px 0 0 auto;
  padding:16px 24px;
  border-radius:var(--r-lg);
  flex-wrap:wrap;
}
.hero-meta .meta-cell{display:flex;flex-direction:column;gap:2px;}
.hero-meta strong{
  font-size:20px;
  font-weight:800;
  color:var(--primary);
  font-variant-numeric:tabular-nums;
  letter-spacing:-.01em;
}
.hero-meta span{font-size:13px;color:var(--text-sub);}
.hero-meta .meta-div{width:1px;height:28px;background:var(--stroke);}

/* ============ 板块通用 ============ */
.section{padding:88px 0;position:relative;z-index:1;}
.section-alt{background:var(--bg-base);border-top:1px solid rgba(140,190,255,.08);border-bottom:1px solid rgba(140,190,255,.08);}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:30px;
  flex-wrap:wrap;
}
.section-head h2{
  font-size:clamp(24px,2.6vw,36px);
  font-weight:800;
}
.section-head .section-sub{
  margin-top:10px;
  font-size:15px;
  color:var(--text-sub);
  max-width:640px;
}
.section-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  letter-spacing:.06em;
  text-transform:uppercase;
  color:var(--primary);
  margin-bottom:12px;
}
.section-eyebrow::before{
  content:"";
  width:22px;height:1px;
  background:linear-gradient(90deg,var(--primary),transparent);
}

/* ============ 分组卡片墙 ============ */
.group-block{margin-bottom:56px;}
.group-block:last-child{margin-bottom:0;}
.group-head{
  display:flex;
  align-items:center;
  gap:14px;
  margin-bottom:20px;
  flex-wrap:wrap;
}
.group-num{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:42px;height:30px;
  font-size:14px;
  font-weight:800;
  color:#04121A;
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  clip-path:polygon(8px 0,100% 0,100% 100%,0 100%,0 8px);
  font-variant-numeric:tabular-nums;
  flex:0 0 auto;
}
.group-head h3{font-size:22px;font-weight:700;}
.group-head .group-note{font-size:13px;color:var(--text-dim);}
.group-head .group-more{margin-left:auto;}

.card-wall-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:18px;
}
.hot-card{
  position:relative;
  padding:18px 18px 16px;
  border-radius:var(--r-md);
  background:var(--surface);
  border:1px solid var(--stroke);
  box-shadow:var(--shadow-glass),inset 0 1px 0 rgba(255,255,255,.08);
  transition:transform var(--ease),border-color var(--ease),background-color var(--ease);
  min-height:132px;
  display:flex;
  flex-direction:column;
  justify-content:space-between;
  gap:14px;
}
.hot-card-top{display:flex;align-items:center;justify-content:space-between;gap:8px;}
.hot-title{
  font-size:18px;
  font-weight:700;
  line-height:1.4;
}
.hot-foot{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  font-size:13px;
  color:var(--text-dim);
}
.hot-date{font-variant-numeric:tabular-nums;letter-spacing:.02em;}
.hot-arrow{color:var(--primary);font-size:15px;transition:transform var(--ease);}
@media (hover:hover){
  .hot-card:hover{transform:translateY(-2px);border-color:rgba(53,225,242,.45);background:var(--surface-strong);}
  .hot-card:hover .hot-arrow{transform:translateX(4px);}
}
.track-dots{display:none;gap:6px;justify-content:center;margin-top:14px;}
.track-dots span{width:6px;height:6px;border-radius:50%;background:rgba(234,242,255,.22);transition:background-color var(--ease),width var(--ease);}
.track-dots span.is-active{width:18px;border-radius:999px;background:var(--primary);}

/* ============ 本周主推 ============ */
.promo-card{
  overflow:hidden;
  border-radius:var(--r-lg);
}
.promo-media{
  position:relative;
  aspect-ratio:16/10;
  background:linear-gradient(135deg,rgba(53,225,242,.18),rgba(255,77,157,.16));
  overflow:hidden;
}
.promo-media img{width:100%;height:100%;object-fit:cover;transition:transform var(--ease);}
@media (hover:hover){.promo-card:hover .promo-media img{transform:scale(1.04);}}
.promo-body{padding:28px 30px;display:flex;flex-direction:column;gap:14px;}
.promo-body h3{font-size:24px;font-weight:800;line-height:1.35;}
.promo-body p{font-size:15px;color:var(--text-sub);}
.promo-tags{display:flex;flex-wrap:wrap;gap:8px;}
.promo-points{display:flex;flex-direction:column;gap:10px;margin-top:4px;}
.promo-points li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--text-sub);}
.promo-points svg{flex:0 0 auto;margin-top:5px;color:var(--primary);}

/* ============ 热度排行 ============ */
.rank-wrap{
  border-radius:var(--r-lg);
  overflow-x:auto;
  overflow-y:hidden;
  -webkit-overflow-scrolling:touch;
}
.rank-table{min-width:640px;font-size:15px;}
.rank-table thead th{
  text-align:left;
  padding:16px 20px;
  font-size:12px;
  letter-spacing:.06em;
  text-transform:uppercase;
  color:var(--text-dim);
  font-weight:600;
  border-bottom:1px solid var(--stroke);
  background:rgba(255,255,255,.03);
  white-space:nowrap;
}
.rank-table tbody td{
  padding:16px 20px;
  border-bottom:1px solid rgba(140,190,255,.08);
  color:var(--text-sub);
  vertical-align:middle;
  white-space:nowrap;
}
.rank-table tbody tr:last-child td{border-bottom:none;}
.rank-table tbody tr{transition:background-color var(--ease);}
@media (hover:hover){.rank-table tbody tr:hover{background:rgba(53,225,242,.06);}}
.rank-no{
  display:inline-flex;align-items:center;justify-content:center;
  width:28px;height:28px;
  border-radius:8px;
  font-size:13px;font-weight:800;
  background:rgba(255,255,255,.06);
  color:var(--text-sub);
  font-variant-numeric:tabular-nums;
}
.rank-no.is-top{
  background:linear-gradient(135deg,var(--accent-gold),#ffa733);
  color:#241703;
  clip-path:polygon(6px 0,100% 0,100% 100%,0 100%,0 6px);
  border-radius:0;
}
.rank-no.is-second{background:rgba(53,225,242,.16);color:var(--primary);}
.rank-name{color:var(--text);font-weight:600;}
.heat-cell{display:flex;align-items:center;gap:12px;}
.heat-bar{
  width:96px;height:6px;border-radius:999px;
  background:rgba(255,255,255,.08);
  overflow:hidden;
}
.heat-bar i{
  display:block;height:100%;border-radius:999px;
  background:linear-gradient(90deg,var(--primary-deep),var(--primary));
}
.heat-cell em{font-variant-numeric:tabular-nums;color:var(--text);font-weight:600;font-size:14px;}
.trend-up{color:var(--primary);font-weight:600;}
.trend-down{color:var(--accent);font-weight:600;}
.trend-flat{color:var(--text-dim);}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:var(--surface);
  border:1px solid var(--stroke);
  border-radius:var(--r-md);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
  overflow:hidden;
  transition:border-color var(--ease);
}
.faq-item.is-open{border-color:rgba(53,225,242,.4);}
.faq-q{
  width:100%;
  min-height:56px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:16px 20px 16px 22px;
  background:transparent;
  border:none;
  border-left:3px solid rgba(140,190,255,.24);
  color:var(--text);
  font-size:16px;
  font-weight:600;
  text-align:left;
  transition:border-color var(--ease),color var(--ease);
}
.faq-item.is-open .faq-q{border-left-width:4px;border-left-color:var(--primary);}
.faq-icon{
  position:relative;
  flex:0 0 auto;
  width:18px;height:18px;
  transition:transform var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";
  position:absolute;
  background:var(--primary);
  border-radius:2px;
}
.faq-icon::before{left:0;top:8px;width:18px;height:2px;}
.faq-icon::after{left:8px;top:0;width:2px;height:18px;}
.faq-item.is-open .faq-icon{transform:rotate(45deg);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height 260ms ease-out;
}
.faq-item.is-open .faq-a{max-height:340px;}
.faq-a p{
  padding:2px 22px 20px 22px;
  font-size:15px;
  line-height:1.8;
  color:var(--text-sub);
}

/* ============ CTA 带 ============ */
.cta-band{
  position:relative;
  padding:56px 0;
  background-image:url("/assets/images/backpic/back-2.png");
  background-size:cover;
  background-position:center;
  border-top:1px solid var(--stroke);
  border-bottom:1px solid var(--stroke);
  overflow:hidden;
}
.cta-band::before{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(6,9,18,.92),rgba(6,9,18,.84));
}
.cta-inner{
  position:relative;
  z-index:2;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  padding:32px 34px;
  border-radius:var(--r-lg);
  background:var(--surface);
  border:1px solid var(--stroke);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  box-shadow:var(--shadow-glass),inset 0 1px 0 rgba(255,255,255,.08);
  flex-wrap:wrap;
}
.cta-inner::before,.cta-inner::after{
  content:"";
  position:absolute;
  width:26px;height:26px;
  border:1px solid rgba(53,225,242,.5);
  pointer-events:none;
}
.cta-inner::before{left:12px;top:12px;border-right:none;border-bottom:none;border-top-left-radius:12px;}
.cta-inner::after{right:12px;bottom:12px;border-left:none;border-top:none;border-bottom-right-radius:12px;}
.cta-text{max-width:640px;}
.cta-text h2{font-size:clamp(20px,2.2vw,28px);font-weight:800;margin-bottom:8px;}
.cta-text p{font-size:15px;color:var(--text-sub);}
.cta-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap;}

/* ============ 相关分类 ============ */
.related-cats{padding:44px 0 8px;position:relative;z-index:1;}
.related-cats-inner{
  display:flex;
  align-items:center;
  gap:14px;
  flex-wrap:wrap;
  padding-top:26px;
  border-top:1px solid rgba(140,190,255,.1);
}
.related-cats .rel-label{font-size:13px;color:var(--text-dim);letter-spacing:.04em;}
.cat-pill{
  display:inline-flex;
  align-items:center;
  height:38px;
  padding:0 18px;
  border-radius:999px;
  border:1px solid var(--stroke);
  background:rgba(255,255,255,.04);
  color:var(--text-sub);
  font-size:14px;
  font-weight:600;
  transition:color var(--ease),border-color var(--ease),background-color var(--ease),transform var(--ease);
}
@media (hover:hover){
  .cat-pill:hover{color:var(--primary);border-color:rgba(53,225,242,.45);background:rgba(53,225,242,.07);transform:translateY(-2px);}
}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;
  z-index:1;
  margin-top:56px;
  padding:64px 0 0;
  background:var(--bg-base);
  border-top:1px solid var(--stroke);
}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:14px;color:var(--text-sub);max-width:320px;}
.footer-col h3{
  font-size:13px;
  font-weight:700;
  letter-spacing:.06em;
  text-transform:uppercase;
  color:var(--text-dim);
  margin-bottom:18px;
}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col ul li a{
  position:relative;
  display:inline-block;
  font-size:14px;
  color:var(--text-sub);
  padding-bottom:2px;
}
.footer-col ul li a::after{
  content:"";
  position:absolute;
  left:0;bottom:0;
  width:0;height:1px;
  background:var(--primary);
  transition:width var(--ease);
}
@media (hover:hover){
  .footer-col ul li a:hover{color:var(--primary);}
  .footer-col ul li a:hover::after{width:100%;}
}
.contact-list li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:14px;
  color:var(--text-sub);
  line-height:1.6;
}
.contact-list svg{flex:0 0 auto;margin-top:4px;color:var(--primary);}
.footer-bottom{
  margin-top:52px;
  padding:22px 0;
  border-top:1px solid rgba(140,190,255,.1);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:var(--text-dim);
}
.footer-bottom .footer-links{display:flex;gap:18px;flex-wrap:wrap;}
.footer-bottom a{color:var(--text-dim);}
.footer-bottom a:hover{color:var(--primary);}

/* ============ 空态 ============ */
.empty-state{
  padding:56px 28px;
  text-align:center;
  border-radius:var(--r-lg);
  background:var(--surface);
  border:1px dashed var(--stroke);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:14px;
}
.empty-state svg{color:var(--text-dim);}
.empty-state p{font-size:14px;color:var(--text-sub);}

/* ============ 工具类 ============ */
.tnum{font-variant-numeric:tabular-nums;}
.mt-0{margin-top:0;}
.sr-only{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;
}

/* ============ 响应式 ============ */
@media screen and (max-width:1024px){
  .main-nav{display:none;}
  .nav-toggle{display:flex;}
  .site-header{height:60px;}
  .site-header.is-scrolled{height:56px;}
  .section{padding:68px 0;}
  .hero{padding:60px 0 56px;min-height:300px;}
  .hero-meta{margin-left:0;width:100%;justify-content:flex-start;}
  .cta-inner{padding:28px 24px;}
  .card-wall-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media screen and (max-width:640px){
  .container{padding-left:16px;padding-right:16px;}
  .brand-text{font-size:15px;}
  .brand-mark{width:30px;height:30px;}
  .header-actions .btn-primary{display:none;}
  .section{padding:56px 0;}
  .section-head{margin-bottom:22px;}
  .hero{padding:44px 0 46px;min-height:240px;background-position:center 20%;}
  .hero-lead{font-size:15px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
  .hero-meta{padding:14px 16px;gap:14px;border-radius:var(--r-md);}
  .hero-meta strong{font-size:17px;}
  .hero-meta .meta-div{height:22px;}
  .promo-body{padding:20px 18px;}
  .promo-body h3{font-size:20px;}
  .group-block{margin-bottom:40px;}
  .group-head h3{font-size:19px;}
  .group-head .group-more{margin-left:0;}

  /* 移动端横向滑动卡片墙 */
  .card-wall-grid{
    display:flex;
    flex-wrap:nowrap;
    gap:14px;
    overflow-x:auto;
    scroll-snap-type:x mandatory;
    padding-bottom:6px;
    scrollbar-width:none;
    -webkit-overflow-scrolling:touch;
  }
  .card-wall-grid::-webkit-scrollbar{display:none;}
  .card-wall-grid > .hot-card{
    flex:0 0 76%;
    max-width:76%;
    scroll-snap-align:start;
  }
  .track-dots{display:flex;}
  .cta-inner{flex-direction:column;align-items:stretch;}
  .cta-actions{width:100%;flex-direction:column;}
  .cta-actions .btn{width:100%;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .related-cats-inner{gap:10px;}
}

@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  html{scroll-behavior:auto;}
  .hot-card:hover,.btn:hover,.cat-pill:hover{transform:none !important;}
}

/* roulang page: category4 */
/* ============ 设计变量 ============ */
:root{
  --bg-deep:#060912;
  --bg-base:#0A0F1F;
  --surface:rgba(255,255,255,.055);
  --surface-2:rgba(255,255,255,.09);
  --stroke:rgba(140,190,255,.16);
  --stroke-strong:rgba(140,190,255,.34);
  --primary:#35E1F2;
  --primary-deep:#1B9DF0;
  --accent:#FF4D9D;
  --accent-gold:#FFC63D;
  --text:#EAF2FF;
  --text-sub:rgba(234,242,255,.68);
  --text-dim:rgba(234,242,255,.42);
  --r-sm:8px;
  --r-md:14px;
  --r-lg:20px;
  --shadow-glass:0 8px 28px rgba(0,0,0,.45);
  --glow:0 0 0 1px rgba(53,225,242,.5), 0 0 24px rgba(53,225,242,.35);
  --container:1240px;
  --pad-pc:24px;
  --pad-mob:16px;
}

/* ============ 基础 reset ============ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:
    radial-gradient(900px 560px at 10% -10%, rgba(53,225,242,.13), transparent 62%),
    radial-gradient(780px 520px at 94% 4%, rgba(255,77,157,.10), transparent 64%),
    var(--bg-deep);
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:
    linear-gradient(rgba(140,190,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(140,190,255,.035) 1px, transparent 1px);
  background-size:52px 52px;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0}
ul,ol{list-style:none}
a{color:var(--primary);text-decoration:none}
img{max-width:100%;display:block}
button{font-family:inherit;font-size:inherit;border:0;background:none;color:inherit;cursor:pointer}
input,textarea,select{font-family:inherit}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,textarea:focus-visible{
  outline:2px solid var(--primary);
  outline-offset:2px;
  border-radius:var(--r-sm);
}
.num{font-variant-numeric:tabular-nums}

/* ============ 容器与工具类 ============ */
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding-left:var(--pad-pc);
  padding-right:var(--pad-pc);
  position:relative;
  z-index:1;
}
.glass{
  background:var(--surface);
  border:1px solid var(--stroke);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow-glass);
  position:relative;
  overflow:hidden;
}
.glass::before{
  content:"";
  position:absolute;
  inset:0 0 auto 0;
  height:1px;
  background:linear-gradient(90deg, transparent, rgba(255,255,255,.42), transparent);
  pointer-events:none;
}
.tag-label{
  display:inline-block;
  font-size:12px;
  letter-spacing:.06em;
  text-transform:uppercase;
  color:var(--primary);
  background:rgba(53,225,242,.12);
  border:1px solid rgba(53,225,242,.28);
  border-radius:999px;
  padding:4px 12px;
  line-height:1.6;
}
.section{padding:88px 0;position:relative}
.section-head{max-width:820px;margin-bottom:32px}
.section-head h2{
  font-size:clamp(24px,2.6vw,36px);
  line-height:1.25;
  font-weight:800;
  letter-spacing:-.01em;
  margin-top:14px;
}
.section-sub{color:var(--text-sub);font-size:15px;margin-top:12px;max-width:660px}
.divider-line{height:1px;background:linear-gradient(90deg, rgba(53,225,242,.5), rgba(255,77,157,.25), transparent);border:0;margin:0}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 22px;
  border-radius:999px;
  font-size:16px;
  font-weight:600;
  line-height:1;
  border:1px solid transparent;
  cursor:pointer;
  white-space:nowrap;
  transition:transform .18s ease-out, box-shadow .18s ease-out, background-color .18s ease-out, color .18s ease-out, border-color .18s ease-out;
}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn-block{width:100%}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  color:#04121A;
  box-shadow:var(--glow);
}
.btn-ghost{
  border-color:var(--stroke);
  color:var(--primary);
  background:transparent;
}
.btn-ghost:hover{background:rgba(53,225,242,.06)}
.btn-text{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--primary);
  font-weight:600;
  font-size:15px;
  min-height:44px;
}
.btn-text svg{transition:transform .18s ease-out}
.btn-text:hover svg{transform:translateX(4px)}
.btn.is-disabled{opacity:.45;box-shadow:none;pointer-events:none}
@media (hover:hover){
  .btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(53,225,242,.62), 0 0 30px rgba(53,225,242,.45)}
  .btn-ghost:hover{transform:translateY(-2px);border-color:rgba(53,225,242,.55)}
  .btn:active{transform:translateY(1px)}
}

/* ============ 徽章 ============ */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:12px;
  letter-spacing:.04em;
  border-radius:999px;
  padding:4px 11px;
  line-height:1.6;
  white-space:nowrap;
}
.badge-cyan{background:rgba(53,225,242,.12);color:var(--primary);border:1px solid rgba(53,225,242,.26)}
.badge-pink{background:rgba(255,77,157,.12);color:var(--accent);border:1px solid rgba(255,77,157,.3)}
.badge-lock{
  background:transparent;
  color:var(--text-sub);
  border:1px dashed var(--stroke-strong);
}
.badge-cut{
  clip-path:polygon(0 0,100% 0,100% calc(100% - 8px),calc(100% - 8px) 100%,0 100%);
  border-radius:0;
  background:rgba(255,198,61,.14);
  border:1px solid rgba(255,198,61,.42);
  color:var(--accent-gold);
  font-weight:700;
}

/* ============ 导航 ============ */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:120;
  height:72px;
  border-bottom:1px solid var(--stroke);
  background:rgba(6,9,18,.35);
  transition:height .22s ease-out, background-color .22s ease-out, box-shadow .22s ease-out;
}
.site-header.is-scrolled{
  height:60px;
  background:rgba(6,9,18,.86);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  box-shadow:0 10px 30px rgba(0,0,0,.5);
}
.header-inner{
  height:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--text);
  font-weight:800;
  font-size:17px;
  letter-spacing:-.01em;
  flex-shrink:0;
}
.brand-mark{
  width:34px;height:34px;
  display:grid;place-items:center;
  border-radius:10px;
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  box-shadow:0 0 18px rgba(53,225,242,.4);
  flex-shrink:0;
}
.brand-mark svg{width:20px;height:20px}
.brand-text{white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:6px}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:38px;
  padding:0 14px;
  border-radius:999px;
  font-size:15px;
  color:var(--text-sub);
  border:1px solid transparent;
  transition:color .18s ease-out, background-color .18s ease-out, border-color .18s ease-out;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:4px;
  height:2px;
  border-radius:2px;
  background:var(--primary);
  box-shadow:0 0 10px rgba(53,225,242,.8);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .2s ease-out;
}
.nav-link.is-active{
  color:#fff;
  background:rgba(53,225,242,.1);
  border-color:rgba(53,225,242,.45);
}
.nav-link.is-active::after{display:none}
@media (hover:hover){
  .nav-link:hover{color:#fff}
  .nav-link:not(.is-active):hover::after{transform:scaleX(1)}
}
.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:12px;
  border:1px solid var(--stroke);
  background:var(--surface);
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);transition:transform .2s ease-out,opacity .2s ease-out}

/* ============ 移动抽屉 ============ */
.drawer-mask{
  position:fixed;inset:0;
  background:rgba(3,6,14,.72);
  -webkit-backdrop-filter:blur(2px);
  backdrop-filter:blur(2px);
  z-index:140;
  opacity:0;
  transition:opacity .22s ease-out;
}
.drawer-mask.is-open{opacity:1}
.mobile-drawer{
  position:fixed;
  top:0;right:0;bottom:0;
  width:86vw;
  max-width:420px;
  z-index:150;
  background:rgba(10,15,31,.96);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  border-left:1px solid var(--stroke);
  padding:20px;
  display:flex;
  flex-direction:column;
  gap:18px;
  transform:translateX(102%);
  transition:transform .26s ease-out;
  overflow-y:auto;
}
.mobile-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.drawer-head .brand-text{font-size:17px;font-weight:800}
.drawer-close{
  width:44px;height:44px;
  border-radius:12px;
  border:1px solid var(--stroke);
  background:var(--surface);
  font-size:22px;
  line-height:1;
  color:var(--text);
}
.drawer-nav{display:flex;flex-direction:column;gap:8px}
.drawer-nav .nav-link{
  height:52px;
  font-size:18px;
  border-radius:var(--r-md);
  padding:0 18px;
  justify-content:flex-start;
}
.drawer-nav .nav-link::after{display:none}
.drawer-nav .nav-link.is-active{background:rgba(53,225,242,.12);border-color:rgba(53,225,242,.45);color:#fff}
.drawer-foot{margin-top:auto;padding-top:12px}

/* ============ Hero ============ */
main{padding-top:72px}
.cat-hero{
  position:relative;
  min-height:360px;
  display:flex;
  align-items:center;
  padding:56px 0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center 30%;
  overflow:hidden;
  border-bottom:1px solid var(--stroke);
}
.cat-hero::before{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(100deg, rgba(6,9,18,.95) 0%, rgba(6,9,18,.86) 48%, rgba(6,9,18,.66) 100%);
}
.cat-hero::after{
  content:"";
  position:absolute;
  width:620px;height:620px;
  right:-160px;top:-260px;
  border-radius:50%;
  background:radial-gradient(circle, rgba(53,225,242,.16), transparent 68%);
  filter:blur(420px);
  pointer-events:none;
}
.hero-inner{width:100%}
.breadcrumb{
  display:flex;align-items:center;gap:8px;
  font-size:13px;
  color:var(--text-sub);
  margin-bottom:20px;
}
.breadcrumb a{color:var(--text-sub)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .current{color:var(--text-dim)}
.hero-row{align-items:flex-end}
.hero-copy{padding-bottom:6px}
.hero-copy h1{
  font-size:clamp(30px,4.4vw,54px);
  line-height:1.15;
  font-weight:800;
  letter-spacing:-.01em;
  margin:16px 0 14px;
}
.hero-lead{
  font-size:17px;
  color:var(--text-sub);
  max-width:620px;
  line-height:1.8;
}
.hero-side{margin-top:26px}
.info-bar{padding:18px 20px}
.info-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:9px 0;
  font-size:14px;
  color:var(--text-sub);
  border-bottom:1px dashed rgba(140,190,255,.16);
}
.info-row:last-child{border-bottom:0;padding-bottom:0}
.info-row:first-child{padding-top:0}
.info-row strong{color:var(--text);font-size:15px;font-variant-numeric:tabular-nums}

/* ============ 时间轴 ============ */
.timeline{position:relative;padding-left:6px}
.timeline::before{
  content:"";
  position:absolute;
  left:21px;top:14px;bottom:26px;
  width:2px;
  border-radius:2px;
  background:linear-gradient(180deg, var(--primary), var(--primary-deep) 48%, var(--accent));
  opacity:.75;
}
.tl-item{
  position:relative;
  padding-left:68px;
  margin-bottom:22px;
}
.tl-item:last-child{margin-bottom:0}
.tl-node{
  position:absolute;
  left:0;top:18px;
  width:44px;height:44px;
  display:grid;place-items:center;
  border-radius:14px;
  background:rgba(10,15,31,.9);
  border:1px solid rgba(53,225,242,.5);
  color:var(--primary);
  font-weight:800;
  font-size:15px;
  font-variant-numeric:tabular-nums;
  box-shadow:0 0 18px rgba(53,225,242,.22);
  z-index:1;
}
.tl-card{
  background:var(--surface);
  border:1px solid var(--stroke);
  border-radius:var(--r-lg);
  padding:22px 24px;
  box-shadow:var(--shadow-glass);
  position:relative;
  transition:transform .18s ease-out, border-color .18s ease-out, box-shadow .18s ease-out;
}
.tl-card::before{
  content:"";
  position:absolute;
  inset:0 0 auto 0;
  height:1px;
  background:linear-gradient(90deg, rgba(53,225,242,.5), rgba(255,255,255,.1), transparent);
}
.tl-head{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;margin-bottom:12px}
.tl-head h3{font-size:20px;font-weight:700;letter-spacing:-.01em}
.tl-card p{color:var(--text-sub);font-size:15px;margin-bottom:6px}
.tl-card p:last-of-type{margin-bottom:0}
.tl-meta{
  display:flex;flex-wrap:wrap;gap:8px 20px;
  margin-top:16px;padding-top:14px;
  border-top:1px dashed rgba(140,190,255,.16);
  font-size:13px;color:var(--text-dim);
  font-variant-numeric:tabular-nums;
}
@media (hover:hover){
  .tl-card:hover{transform:translateY(-2px);border-color:rgba(53,225,242,.42)}
}

/* ============ 资格与材料 ============ */
.qual-card{padding:26px;height:100%}
.qual-card h3{font-size:20px;font-weight:700;margin-bottom:6px}
.qual-card .qual-note{font-size:14px;color:var(--text-sub);margin-bottom:18px}
.check-list li{
  display:flex;
  gap:12px;
  padding:12px 0;
  border-bottom:1px dashed rgba(140,190,255,.14);
  font-size:15px;
  color:var(--text-sub);
}
.check-list li:last-child{border-bottom:0;padding-bottom:0}
.check-list li:first-child{padding-top:0}
.check-list .ic{
  flex:0 0 24px;
  width:24px;height:24px;
  border-radius:8px;
  display:grid;place-items:center;
  background:rgba(53,225,242,.12);
  color:var(--primary);
  margin-top:3px;
}
.check-list .ic.pink{background:rgba(255,77,157,.12);color:var(--accent)}
.check-list strong{color:var(--text);font-weight:600}

/* ============ 奖励与结算 ============ */
.reward-figure{
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--stroke);
  background:linear-gradient(135deg, rgba(53,225,242,.22), rgba(255,77,157,.18));
}
.reward-figure img{width:100%;aspect-ratio:16/10;object-fit:cover}
.reward-figure figcaption{
  font-size:13px;
  color:var(--text-dim);
  padding:12px 16px;
  border-top:1px solid var(--stroke);
  background:rgba(10,15,31,.6);
}
.reward-copy h2{font-size:clamp(24px,2.6vw,36px);line-height:1.25;font-weight:800;letter-spacing:-.01em;margin:14px 0 16px}
.reward-copy p{color:var(--text-sub);font-size:15px;margin-bottom:14px}
.settle-list{margin-top:8px}
.settle-item{
  display:flex;
  gap:16px;
  padding:16px 0;
  border-top:1px solid rgba(140,190,255,.14);
}
.settle-item:first-child{border-top:0;padding-top:0}
.settle-item .k{
  flex:0 0 96px;
  font-size:13px;
  color:var(--primary);
  letter-spacing:.04em;
  padding-top:3px;
}
.settle-item .v{font-size:15px;color:var(--text-sub)}
.settle-item .v b{color:var(--text);font-variant-numeric:tabular-nums}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px}
.faq-item{
  background:var(--surface);
  border:1px solid var(--stroke);
  border-radius:var(--r-md);
  overflow:hidden;
  transition:border-color .18s ease-out;
}
.faq-item summary{
  position:relative;
  list-style:none;
  cursor:pointer;
  padding:18px 56px 18px 24px;
  font-size:16px;
  font-weight:600;
  color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{
  content:"";
  position:absolute;
  left:0;top:14px;bottom:14px;
  width:3px;
  border-radius:0 3px 3px 0;
  background:rgba(140,190,255,.3);
  transition:width .18s ease-out, background-color .18s ease-out, box-shadow .18s ease-out;
}
.faq-item summary::after{
  content:"+";
  position:absolute;
  right:22px;top:50%;
  transform:translateY(-50%);
  font-size:22px;
  line-height:1;
  color:var(--text-sub);
  transition:transform .2s ease-out, color .2s ease-out;
}
.faq-item[open]{border-color:rgba(53,225,242,.42)}
.faq-item[open] summary::before{
  width:4px;
  background:var(--primary);
  box-shadow:0 0 14px rgba(53,225,242,.7);
}
.faq-item[open] summary::after{transform:translateY(-50%) rotate(45deg);color:var(--primary)}
.faq-answer{
  padding:0 24px 20px 24px;
  font-size:15px;
  line-height:1.8;
  color:var(--text-sub);
}

/* ============ CTA 带 ============ */
.cta-wrap{padding:20px 0 88px}
.cta-inner{
  position:relative;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:22px;
  padding:30px 34px;
  border:1px solid var(--stroke);
  background-image:linear-gradient(rgba(6,9,18,.88), rgba(6,9,18,.9)), url('/assets/images/backpic/back-3.png');
  background-size:cover;
  background-position:center;
  box-shadow:var(--shadow-glass);
  clip-path:polygon(0 0,100% 0,100% calc(100% - 18px),calc(100% - 18px) 100%,0 100%);
}
.cta-inner::before,
.cta-inner::after{
  content:"";
  position:absolute;
  width:52px;height:1px;
  background:linear-gradient(90deg, var(--primary), transparent);
}
.cta-inner::before{top:14px;left:16px}
.cta-inner::after{bottom:14px;right:16px;transform:rotate(180deg)}
.cta-text h2{font-size:clamp(20px,2.2vw,28px);font-weight:800;letter-spacing:-.01em;line-height:1.35}
.cta-text p{color:var(--text-sub);font-size:14px;margin-top:8px}

/* ============ 相关分类 ============ */
.related-cats{padding:0 0 72px}
.related-title{font-size:14px;color:var(--text-dim);letter-spacing:.06em;text-transform:uppercase;margin-bottom:16px}
.pill-row{display:flex;flex-wrap:wrap;gap:12px}
.pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:44px;
  padding:0 20px;
  border-radius:999px;
  border:1px solid var(--stroke);
  background:var(--surface);
  color:var(--text-sub);
  font-size:15px;
  transition:transform .18s ease-out, border-color .18s ease-out, color .18s ease-out;
}
.pill svg{transition:transform .18s ease-out}
@media (hover:hover){
  .pill:hover{transform:translateY(-2px);border-color:rgba(53,225,242,.5);color:#fff}
  .pill:hover svg{transform:translateX(3px)}
}
.swipe-hint{display:none;font-size:12px;color:var(--text-dim);margin-top:10px;letter-spacing:.04em}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;
  z-index:1;
  border-top:1px solid var(--stroke);
  background:linear-gradient(180deg, rgba(10,15,31,.7), rgba(6,9,18,.96));
  padding:64px 0 28px;
}
.footer-brand p{color:var(--text-sub);font-size:14px;margin-top:14px;max-width:320px}
.footer-col h3{
  font-size:14px;
  font-weight:700;
  color:var(--text);
  letter-spacing:.04em;
  margin-bottom:16px;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{
  color:var(--text-sub);
  font-size:14px;
  position:relative;
  display:inline-block;
  min-height:24px;
  line-height:24px;
}
.footer-col a::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:2px;
  height:1px;
  background:var(--primary);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .2s ease-out;
}
@media (hover:hover){
  .footer-col a:hover{color:var(--primary)}
  .footer-col a:hover::after{transform:scaleX(1)}
}
.contact-list li{
  display:flex;align-items:flex-start;gap:10px;
  color:var(--text-sub);font-size:14px;line-height:1.7;
}
.contact-list svg{flex:0 0 16px;margin-top:4px;color:var(--primary)}
.footer-bottom{
  margin-top:44px;
  padding-top:22px;
  border-top:1px solid rgba(140,190,255,.12);
  display:flex;
  flex-wrap:wrap;
  gap:10px 24px;
  justify-content:space-between;
  font-size:13px;
  color:var(--text-dim);
}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .main-nav{display:none}
  .nav-toggle{display:flex}
  .site-header{height:56px}
  .site-header.is-scrolled{height:56px}
  main{padding-top:56px}
  .brand-mark{width:30px;height:30px}
  .brand-text{font-size:15px}
  .header-actions .btn-sm{height:34px;padding:0 13px;font-size:13px}
  .cat-hero{min-height:280px;padding:40px 0}
  .section{padding:68px 0}
  .cta-wrap{padding:12px 0 68px}
  .related-cats{padding-bottom:56px}
  .tl-item{padding-left:56px}
  .timeline::before{left:18px}
  .tl-node{width:38px;height:38px;font-size:14px;border-radius:12px}
}
@media (max-width:640px){
  .container{padding-left:var(--pad-mob);padding-right:var(--pad-mob)}
  .brand-text{font-size:14px;letter-spacing:0}
  .header-actions .btn-sm{padding:0 11px;font-size:12.5px}
  .cat-hero{min-height:250px}
  .hero-copy h1{margin-top:14px}
  .hero-lead{font-size:15px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
  .section{padding:56px 0}
  .section-head{margin-bottom:24px}
  .tl-item{padding-left:0;margin-bottom:18px}
  .timeline{padding-left:0}
  .timeline::before{left:14px;top:10px;bottom:20px}
  .tl-node{position:relative;top:0;left:0;margin-bottom:10px;width:34px;height:34px;font-size:13px;border-radius:10px}
  .tl-card{padding:18px}
  .tl-head h3{font-size:18px}
  .qual-card{padding:20px}
  .settle-item{flex-direction:column;gap:6px}
  .settle-item .k{flex:none}
  .cta-inner{padding:24px 20px;flex-direction:column;align-items:stretch}
  .cta-inner .btn{width:100%}
  .pill-row{
    flex-wrap:nowrap;
    overflow-x:auto;
    padding-bottom:6px;
    -webkit-overflow-scrolling:touch;
    scrollbar-width:none;
  }
  .pill-row::-webkit-scrollbar{display:none}
  .pill{flex:0 0 auto}
  .swipe-hint{display:block}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (max-width:380px){
  .brand-text{font-size:13px}
  .brand-mark{width:28px;height:28px}
  .header-actions .btn-sm{padding:0 9px;font-size:12px}
}

/* ============ 动效降级 ============ */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    transition-duration:.001ms !important;
  }
  .tl-card:hover,.pill:hover,.btn:hover{transform:none}
}