/* roulang page: index */
:root{
  --bg-0:#05070D;
  --bg-1:#0A0F1A;
  --bg-2:#121826;
  --brand:#4C6FFF;
  --brand-soft:#8FA4FF;
  --accent:#FF4D8C;
  --accent-soft:#FF85AE;
  --gold:#FFC24B;
  --ok:#35D6A4;
  --warn:#FFB347;
  --err:#FF5A6E;
  --text:#EDF2FF;
  --text-2:#A9B6D3;
  --text-3:#6E7C99;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.18);
  --line-active:rgba(76,111,255,.45);
  --radius-card:18px;
  --radius-hero:22px;
  --glow-brand:0 10px 30px -8px rgba(76,111,255,.85);
  --shadow-card:0 10px 30px rgba(0,0,0,.5), inset 0 1px 0 rgba(255,255,255,.05);
  --shadow-float:0 24px 60px rgba(0,0,0,.65);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.no-scroll{overflow:hidden}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .24s var(--ease)}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:3px solid rgba(255,77,140,.85);outline-offset:2px;border-radius:8px}
.tabular{font-variant-numeric:tabular-nums}
.container{width:100%;max-width:1240px;margin:0 auto;padding-left:20px;padding-right:20px}
@media (min-width:1024px){.container{padding-left:32px;padding-right:32px}}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:999px;
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),background .24s var(--ease),border-color .24s var(--ease),color .24s var(--ease),filter .24s var(--ease);
}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none!important;box-shadow:none!important}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 0 0 1px rgba(76,111,255,.6),var(--glow-brand)}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 0 0 1px rgba(76,111,255,.8),0 14px 40px -8px rgba(76,111,255,.95)}
.btn-primary:active{transform:translateY(0);filter:brightness(.94)}
.btn-ghost{background:transparent;border:1px solid var(--line-strong);color:var(--text)}
.btn-ghost:hover{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.32);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{height:38px;padding:0 18px;font-size:14px}
.btn-text{display:inline-flex;align-items:center;gap:6px;color:var(--brand-soft);font-size:14px;font-weight:600;padding:8px 2px;background:none}
.btn-text i{transition:transform .24s var(--ease)}
.btn-text:hover{color:#fff}
.btn-text:hover i{transform:translateX(4px)}
@media (max-width:639px){
  .hero-cta .btn,.cta-actions .btn{width:100%}
  .hero-cta,.cta-actions{flex-direction:column}
}

/* ---------- 徽章 ---------- */
.badge{display:inline-flex;align-items:center;gap:6px;height:22px;padding:0 9px;border-radius:8px;font-size:12px;font-weight:500;line-height:1;white-space:nowrap}
.badge-brand{background:rgba(76,111,255,.14);color:var(--brand-soft)}
.badge-accent{background:rgba(255,77,140,.16);color:var(--accent-soft)}
.badge-gold{background:rgba(255,194,75,.16);color:var(--gold)}
.badge-mute{background:rgba(255,255,255,.07);color:var(--text-2)}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(5,7,13,.94);
  border-bottom:1px solid var(--line);
  transition:background .3s var(--ease),backdrop-filter .3s var(--ease),box-shadow .3s var(--ease);
}
.site-header.is-stuck{
  background:rgba(5,7,13,.72);
  -webkit-backdrop-filter:blur(18px) saturate(150%);
  backdrop-filter:blur(18px) saturate(150%);
  box-shadow:0 12px 34px rgba(0,0,0,.5);
}
.brand-row{height:68px;transition:height .3s var(--ease)}
.site-header.is-stuck .brand-row{height:60px}
.brand-inner{display:flex;align-items:center;gap:18px;height:100%}
.logo{display:inline-flex;flex-direction:column;justify-content:center;line-height:1.1;flex-shrink:0}
.logo-mark{font-size:20px;font-weight:800;letter-spacing:-.01em;color:#fff}
.logo-sub{font-size:10px;letter-spacing:.18em;color:var(--text-3);margin-top:3px}
@media (min-width:768px){.logo-mark{font-size:22px}.logo-sub{font-size:11px}}
.nav-search{
  display:none;align-items:center;gap:10px;flex:1;max-width:360px;height:40px;
  padding:0 16px;border-radius:999px;background:var(--bg-2);
  border:1px solid var(--line);transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.nav-search i{color:var(--text-3);font-size:14px}
.nav-search input{flex:1;background:transparent;border:0;outline:none;font-size:14px;color:var(--text)}
.nav-search input::placeholder{color:var(--text-3)}
.nav-search:focus-within{border-color:var(--line-active);box-shadow:0 0 0 3px rgba(76,111,255,.22)}
@media (min-width:1024px){.nav-search{display:flex}}
.brand-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.brand-actions .btn{display:none}
@media (min-width:768px){.brand-actions .btn{display:inline-flex}}
.nav-toggle{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  color:var(--text-2);font-size:18px;margin-left:auto;
  transition:background .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease);
}
.nav-toggle:hover{background:rgba(255,255,255,.06);color:#fff;border-color:var(--line-strong)}
@media (min-width:1024px){.nav-toggle{display:none}}
.channel-row{border-top:1px solid rgba(255,255,255,.05);}
.channel-inner{display:flex;align-items:center;height:46px}
.channels{display:flex;align-items:center;gap:4px;overflow-x:auto;scrollbar-width:none;width:100%}
.channels::-webkit-scrollbar{display:none}
.channel{
  position:relative;display:inline-flex;align-items:center;height:34px;padding:0 14px;
  border-radius:8px;font-size:14px;color:var(--text-2);white-space:nowrap;
  transition:background .24s var(--ease),color .24s var(--ease);
}
.channel:hover{background:rgba(255,255,255,.06);color:var(--text)}
.channel.is-active{color:var(--brand-soft);background:rgba(76,111,255,.18)}
.channel.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:-6px;height:2px;border-radius:2px;
  background:var(--brand);box-shadow:0 0 12px rgba(76,111,255,.9);
}

/* ---------- 移动抽屉 ---------- */
.drawer-overlay{
  position:fixed;inset:0;z-index:90;background:rgba(5,7,13,.85);
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
  opacity:0;pointer-events:none;transition:opacity .3s var(--ease);
}
.drawer-overlay.is-open{opacity:1;pointer-events:auto}
.drawer{
  position:fixed;top:0;right:0;bottom:0;z-index:95;width:min(86vw,360px);
  background:var(--bg-1);border-left:1px solid var(--line);
  transform:translateX(102%);transition:transform .32s var(--ease);
  display:flex;flex-direction:column;padding:24px 22px 32px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px}
.drawer-close{width:44px;height:44px;border-radius:12px;border:1px solid var(--line);color:var(--text-2);font-size:18px}
.drawer-close:hover{background:rgba(255,255,255,.06);color:#fff}
.drawer-nav{display:flex;flex-direction:column;gap:6px}
.drawer-link{
  padding:14px 14px;border-radius:12px;font-size:18px;font-weight:600;color:var(--text-2);
  transition:background .2s var(--ease),color .2s var(--ease);
}
.drawer-link:hover{background:rgba(255,255,255,.06);color:#fff}
.drawer-link.is-active{color:var(--brand-soft);background:rgba(76,111,255,.16)}
.drawer-cta{margin-top:auto;padding-top:28px;display:flex;flex-direction:column;gap:12px}

/* ---------- 通用区块 ---------- */
.section{padding:56px 0}
@media (min-width:768px){.section{padding:72px 0}}
@media (min-width:1024px){.section{padding:88px 0}}
.section-alt{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:26px;flex-wrap:wrap}
.section-title{position:relative;font-size:22px;font-weight:700;padding-left:14px}
.section-title::before{
  content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:3px;border-radius:2px;
  background:var(--brand);box-shadow:0 0 12px rgba(76,111,255,.85);
}
@media (min-width:1024px){.section-title{font-size:30px}}
.section-desc{margin-top:10px;padding-left:14px;font-size:14px;color:var(--text-2)}

/* ---------- Hero ---------- */
.hero{
  position:relative;display:flex;align-items:flex-end;overflow:hidden;
  min-height:62vh;
  background-image:url(/assets/images/backpic/back-1.webp);
  background-size:cover;background-position:center;
}
@media (min-width:640px){.hero{min-height:68vh}}
@media (min-width:1024px){.hero{min-height:min(72vh,620px)}}
.hero-dim{
  position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(5,7,13,.96) 0%,rgba(5,7,13,.84) 36%,rgba(5,7,13,.42) 70%,rgba(5,7,13,.68) 100%);
}
.hero-glow{
  position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(620px 420px at 12% 80%,rgba(76,111,255,.20),transparent 70%),
    radial-gradient(520px 360px at 84% 20%,rgba(255,77,140,.14),transparent 70%);
}
.hero-fade{
  position:absolute;left:0;right:0;bottom:0;height:180px;
  background:linear-gradient(180deg,rgba(5,7,13,0),var(--bg-0));
}
.hero-inner{position:relative;z-index:3;width:100%;padding:92px 0 64px}
@media (min-width:1024px){.hero-inner{padding:120px 0 88px}}
.hero-copy{max-width:100%}
@media (min-width:1024px){.hero-copy{width:52%}}
.hero h1{
  font-size:30px;font-weight:800;line-height:1.15;letter-spacing:-.01em;
  text-shadow:0 6px 30px rgba(0,0,0,.55);
}
@media (min-width:640px){.hero h1{font-size:38px}}
@media (min-width:1024px){.hero h1{font-size:clamp(38px,4.6vw,54px)}}
.hero-sub{margin-top:16px;font-size:15px;line-height:1.8;color:var(--text-2);max-width:34em}
@media (min-width:1024px){.hero-sub{font-size:16.5px}}
.hero-cta{margin-top:28px;display:flex;flex-wrap:wrap;gap:12px}
.hero-stats{margin-top:34px;display:flex;flex-wrap:wrap;gap:10px}
.stat-pill{
  display:inline-flex;align-items:center;gap:8px;padding:9px 15px;border-radius:999px;
  border:1px solid rgba(255,255,255,.12);background:rgba(255,255,255,.05);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  font-size:13px;color:var(--text-2);
}
.stat-pill i{color:var(--brand-soft);font-size:14px}
.hero-cover{
  display:none;
}
@media (min-width:1024px){
  .hero-cover{
    display:block;position:absolute;right:32px;bottom:104px;z-index:3;width:212px;
    border-radius:var(--radius-hero);overflow:hidden;border:1px solid var(--line);
    box-shadow:var(--shadow-float);transform:translateY(-10px);
  }
  .hero-cover img{width:100%;aspect-ratio:3/4;object-fit:cover}
}

/* ---------- 卡片 ---------- */
.card{
  background:var(--bg-1);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);
  transition:transform .24s var(--ease),background .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.card:hover{
  transform:translateY(-4px);background:var(--bg-2);border-color:var(--line-active);
  box-shadow:0 18px 44px rgba(0,0,0,.6);
}

/* ---------- 横滑带 ---------- */
.rail-wrap{position:relative}
.rail{
  display:flex;gap:18px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:6px 2px 20px;scrollbar-width:none;-ms-overflow-style:none;
}
.rail::-webkit-scrollbar{display:none}
.rail-card{flex:0 0 62vw;max-width:280px;scroll-snap-align:start}
@media (min-width:640px){.rail-card{flex:0 0 240px}}
@media (min-width:1280px){.rail-card{flex:0 0 268px}}
.rail-nav{
  display:none;position:absolute;top:38px;width:44px;height:44px;border-radius:50%;
  align-items:center;justify-content:center;font-size:15px;color:var(--text-2);
  background:rgba(18,24,38,.78);border:1px solid var(--line);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  transition:border-color .24s var(--ease),color .24s var(--ease),background .24s var(--ease);
}
.rail-nav:hover{border-color:var(--line-active);color:#fff;background:rgba(18,24,38,.95)}
.rail-nav[data-rail-prev]{left:-22px}
.rail-nav[data-rail-next]{right:-22px}
@media (min-width:1280px){.rail-nav{display:flex}}

/* ---------- 竖版海报卡 ---------- */
.poster{
  display:block;background:var(--bg-1);border:1px solid var(--line);border-radius:18px;
  overflow:hidden;box-shadow:var(--shadow-card);
  transition:transform .26s var(--ease),border-color .26s var(--ease),box-shadow .26s var(--ease);
}
.poster:hover{transform:translateY(-6px);border-color:var(--line-active);box-shadow:0 20px 48px rgba(0,0,0,.62)}
.poster-img{position:relative;aspect-ratio:3/4;overflow:hidden;background:var(--bg-2)}
.poster-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.poster:hover .poster-img img{transform:scale(1.05)}
.poster-img::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:58%;
  background:linear-gradient(180deg,rgba(5,7,13,0),rgba(5,7,13,.88));
}
.poster-cat{position:absolute;top:12px;left:12px;z-index:3}
.poster-tag{position:absolute;top:12px;right:12px;z-index:3}
.poster-body{padding:14px 16px 18px}
.poster-title{
  font-size:16px;font-weight:600;line-height:1.45;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.poster-meta{margin-top:8px;font-size:13px;color:var(--text-3);font-variant-numeric:tabular-nums}

/* ---------- 推荐位 ---------- */
.feat-grid{display:grid;gap:18px;grid-template-columns:1fr}
@media (min-width:640px){.feat-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.feat-grid{grid-template-columns:repeat(4,1fr)}}
.feat-main{grid-column:span 1}
@media (min-width:640px){.feat-main{grid-column:span 2;grid-row:span 2}}
.feat-main-card{position:relative;display:block;height:100%;min-height:260px;border-radius:var(--radius-hero);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-card);transition:transform .26s var(--ease),border-color .26s var(--ease)}
.feat-main-card:hover{transform:translateY(-4px);border-color:var(--line-active)}
.feat-main-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.feat-main-card:hover img{transform:scale(1.04)}
.feat-main-card::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,7,13,.15) 0%,rgba(5,7,13,.55) 52%,rgba(5,7,13,.94) 100%)}
.feat-main-copy{position:absolute;left:0;right:0;bottom:0;z-index:3;padding:24px 24px 26px}
.feat-main-copy h3{font-size:20px;font-weight:700;line-height:1.35}
@media (min-width:1024px){.feat-main-copy h3{font-size:24px}}
.feat-main-copy p{margin-top:10px;font-size:14px;color:var(--text-2);line-height:1.75;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.feat-main-copy .badge{margin-bottom:12px}
.feat-corner{position:absolute;top:16px;right:16px;z-index:3}
.feat-side{
  display:block;background:var(--bg-1);border:1px solid var(--line);border-radius:18px;overflow:hidden;
  box-shadow:var(--shadow-card);transition:transform .24s var(--ease),border-color .24s var(--ease),background .24s var(--ease);
}
.feat-side:hover{transform:translateY(-4px);border-color:var(--line-active);background:var(--bg-2)}
.feat-side .thumb{position:relative;aspect-ratio:3/4;overflow:hidden;background:var(--bg-2)}
.feat-side .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.feat-side:hover .thumb img{transform:scale(1.05)}
.feat-side .thumb::after{content:"";position:absolute;left:0;right:0;bottom:0;height:46%;background:linear-gradient(180deg,rgba(5,7,13,0),rgba(5,7,13,.82))}
.feat-side-body{padding:13px 15px 16px}
.feat-side-body h3{font-size:15px;font-weight:600;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.feat-side-body span{display:block;margin-top:7px;font-size:12px;color:var(--text-3)}

/* ---------- 榜单 ---------- */
.rank-layout{display:grid;gap:28px}
@media (min-width:1024px){.rank-layout{grid-template-columns:260px 1fr;gap:44px}}
.rank-tabs{margin-top:22px;display:flex;flex-direction:row;gap:8px;overflow-x:auto;scrollbar-width:none}
.rank-tabs::-webkit-scrollbar{display:none}
@media (min-width:1024px){.rank-tabs{flex-direction:column;overflow:visible}}
.rank-tab{
  display:inline-flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 14px;border-radius:12px;font-size:14px;color:var(--text-2);white-space:nowrap;
  border:1px solid transparent;transition:background .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease);
}
.rank-tab:hover{background:rgba(255,255,255,.05);color:var(--text)}
.rank-tab.is-active{background:rgba(76,111,255,.16);color:var(--brand-soft);border-color:var(--line-active)}
.rank-tab i{opacity:0;transition:opacity .24s var(--ease)}
.rank-tab.is-active i{opacity:1}
.rank-list{display:flex;flex-direction:column;gap:4px}
.rank-item{
  display:grid;grid-template-columns:34px 1fr;align-items:center;gap:14px;
  padding:14px 16px;border-radius:14px;background:transparent;
  transition:background .24s var(--ease);
}
@media (min-width:768px){.rank-item{grid-template-columns:40px 1fr auto}}
.rank-item:hover{background:rgba(255,255,255,.045)}
.rank-num{font-size:20px;font-weight:800;color:var(--gold);font-variant-numeric:tabular-nums;line-height:1}
@media (min-width:768px){.rank-num{font-size:24px}}
.rank-info a{font-size:15.5px;font-weight:600;line-height:1.5;display:block}
.rank-info a:hover{color:var(--brand-soft)}
.rank-meta{display:block;margin-top:5px;font-size:12.5px;color:var(--text-3)}
.rank-bar{display:none;width:88px;height:6px;border-radius:999px;background:rgba(255,255,255,.08);overflow:hidden}
@media (min-width:768px){.rank-bar{display:block}}
.rank-bar i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--brand),var(--accent))}
.w-92{width:92%}.w-86{width:86%}.w-80{width:80%}.w-74{width:74%}.w-68{width:68%}.w-60{width:60%}

/* ---------- Bent 网格 ---------- */
.bento{display:grid;gap:18px;grid-template-columns:1fr}
@media (min-width:768px){
  .bento{grid-template-columns:repeat(4,1fr)}
  .bento-a{grid-column:span 2;grid-row:span 2}
  .bento-d{grid-column:span 2}
}
.bento-item{
  position:relative;display:flex;flex-direction:column;justify-content:flex-end;
  min-height:180px;padding:22px;border-radius:var(--radius-card);overflow:hidden;
  background:var(--bg-1);border:1px solid var(--line);box-shadow:var(--shadow-card);
  transition:transform .24s var(--ease),border-color .24s var(--ease),background .24s var(--ease);
}
.bento-item:hover{transform:translateY(-4px);border-color:var(--line-active);background:var(--bg-2)}
.bento-a{min-height:340px;justify-content:flex-end}
.bento-a img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.bento-a:hover img{transform:scale(1.04)}
.bento-a::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,7,13,.28),rgba(5,7,13,.92))}
.bento-a-body{position:relative;z-index:3}
.bento-a-body h3{font-size:21px;font-weight:700;line-height:1.35}
.bento-a-body p{margin-top:10px;font-size:14px;color:var(--text-2);line-height:1.75;max-width:32em}
.bento-icon{
  width:40px;height:40px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;
  background:rgba(76,111,255,.16);color:var(--brand-soft);font-size:17px;margin-bottom:14px;
}
.bento-item h3{font-size:17px;font-weight:600;line-height:1.45}
.bento-item p{margin-top:8px;font-size:13.5px;color:var(--text-2);line-height:1.7}
.bento-d-row{display:flex;align-items:center;gap:16px;flex-direction:row;justify-content:flex-start}
.bento-d-row .bento-icon{margin-bottom:0;flex-shrink:0}

/* ---------- 资讯列表 ---------- */
.news-grid{display:grid;gap:18px;grid-template-columns:1fr}
@media (min-width:640px){.news-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.news-grid{grid-template-columns:repeat(3,1fr)}}
.news-card{display:flex;flex-direction:column;gap:12px;padding:22px;min-height:210px}
.news-head{display:flex;align-items:center;justify-content:space-between;gap:10px}
.news-date{font-size:12px;color:var(--text-3);font-variant-numeric:tabular-nums}
.news-title{
  font-size:17px;font-weight:600;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .24s var(--ease);
}
.news-card:hover .news-title{color:var(--brand-soft)}
.news-sum{
  font-size:14px;color:var(--text-2);line-height:1.78;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-more{margin-top:auto;display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;color:var(--brand-soft)}
.news-more i{transition:transform .24s var(--ease)}
.news-card:hover .news-more i{transform:translateX(4px)}
.empty-state{
  border:1px dashed rgba(255,255,255,.18);background:rgba(255,255,255,.03);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border-radius:18px;padding:46px 24px;text-align:center;
  display:flex;flex-direction:column;align-items:center;gap:18px;color:var(--text-2);font-size:15px;
}

/* ---------- 转化带 ---------- */
.cta-band{position:relative;overflow:hidden;background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.cta-glow{
  position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(560px 320px at 18% 22%,rgba(76,111,255,.20),transparent 70%),
    radial-gradient(480px 300px at 82% 78%,rgba(255,77,140,.14),transparent 70%);
}
.cta-inner{position:relative;z-index:2;padding:64px 0}
@media (min-width:1024px){.cta-inner{padding:88px 0}}
.cta-inner h2{font-size:24px;font-weight:700;line-height:1.3}
@media (min-width:1024px){.cta-inner h2{font-size:32px}}
.cta-inner>p{margin-top:14px;font-size:15px;color:var(--text-2);max-width:44em}
.cta-actions{margin-top:28px;display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.cta-assure{margin-top:34px;display:flex;flex-wrap:wrap;gap:12px}
.assure-pill{
  display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border-radius:999px;
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);
  font-size:13px;color:var(--text-2);
}
.assure-pill i{color:var(--ok)}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px}
.faq-item{border:1px solid var(--line);border-radius:16px;background:var(--bg-1);overflow:hidden;transition:border-color .24s var(--ease),background .24s var(--ease)}
.faq-item:hover{border-color:rgba(255,255,255,.16)}
.faq-item.is-open{border-color:var(--line-active);background:var(--bg-2)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;text-align:left;font-size:16px;font-weight:600;color:var(--text);
  transition:color .24s var(--ease);
}
.faq-q:hover{color:var(--brand-soft)}
.faq-icon{
  flex-shrink:0;width:26px;height:26px;border-radius:8px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);color:var(--text-2);font-size:12px;
  transition:transform .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease);
}
.faq-item.is-open .faq-icon{transform:rotate(180deg);color:var(--accent);border-color:rgba(255,77,140,.5)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s var(--ease)}
.faq-a-inner{padding:0 20px 20px;font-size:15px;line-height:1.85;color:var(--text-2)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg-0);border-top:1px solid var(--line);margin-top:0}
.footer-grid{display:grid;gap:36px;grid-template-columns:1fr;padding-top:48px;padding-bottom:36px}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr);padding-top:56px}}
@media (min-width:1024px){.footer-grid{grid-template-columns:2fr 1fr 1fr 1fr;gap:48px;padding-top:64px}}
.footer-note{margin-top:16px;font-size:13.5px;color:var(--text-2);line-height:1.75;max-width:26em}
.footer-contact{margin-top:20px;display:flex;flex-direction:column;gap:10px}
.footer-contact li{display:flex;align-items:center;gap:10px;font-size:13.5px;color:var(--text-2)}
.footer-contact i{color:var(--brand-soft);width:16px;text-align:center}
.footer-col h3{font-size:13px;letter-spacing:.08em;color:var(--text-3);font-weight:600}
.footer-col ul{margin-top:16px;display:flex;flex-direction:column;gap:11px}
.footer-col a{font-size:14px;color:var(--text-2)}
.footer-col a:hover{color:var(--brand-soft)}
.footer-bottom{border-top:1px solid var(--line)}
.footer-bottom-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;padding-top:20px;padding-bottom:24px;font-size:12.5px;color:var(--text-3)}
.footer-bottom-inner a{color:var(--text-2)}
.footer-bottom-inner a:hover{color:var(--brand-soft)}

/* ---------- 渐入 ---------- */
html.js .reveal{opacity:0;transform:translateY(18px);transition:opacity .62s var(--ease),transform .62s var(--ease)}
html.js .reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition:none!important;animation:none!important}
  html.js .reveal{opacity:1;transform:none}
}

/* roulang page: article */
:root{
  --bg-0:#05070D;
  --bg-1:#0A0F1A;
  --bg-2:#121826;
  --brand:#4C6FFF;
  --brand-soft:#8FA4FF;
  --accent:#FF4D8C;
  --gold:#FFC24B;
  --ok:#35D6A4;
  --warn:#FFB347;
  --err:#FF5A6E;
  --t1:#EDF2FF;
  --t2:#A9B6D3;
  --t3:#6E7C99;
  --t4:#4A5670;
  --bd:rgba(255,255,255,.08);
  --bd-hi:rgba(76,111,255,.45);
  --radius-card:18px;
  --radius-lg:22px;
  --radius-btn:12px;
  --radius-pill:999px;
  --shadow-card:0 10px 30px rgba(0,0,0,.5), inset 0 1px 0 rgba(255,255,255,.05);
  --shadow-float:0 24px 60px rgba(0,0,0,.65);
  --glow-brand:0 0 0 1px rgba(76,111,255,.6), 0 10px 30px -8px rgba(76,111,255,.85);
  --ease:240ms cubic-bezier(.2,.7,.3,1);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
html body{
  margin:0;
  padding:0;
  background:var(--bg-0);
  color:var(--t1);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",-apple-system,BlinkMacSystemFont,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,select,textarea{font:inherit}
ul,ol{margin:0;padding:0}
h1,h2,h3,h4,p,figure{margin:0}
::selection{background:rgba(76,111,255,.4);color:#fff}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:6px}

.container{width:100%;max-width:1240px;margin:0 auto;padding-left:20px;padding-right:20px}
@media (min-width:1024px){.container{padding-left:32px;padding-right:32px}}

.skip-link{position:absolute;left:-9999px;top:0;z-index:200;padding:10px 18px;background:var(--brand);color:#fff;border-radius:0 0 12px 0}
.skip-link:focus{left:0}

/* ---------- 头部 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(5,7,13,.74);
  -webkit-backdrop-filter:blur(18px);
  backdrop-filter:blur(18px);
  border-bottom:1px solid transparent;
  transition:background var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.site-header.is-stuck{
  background:rgba(5,7,13,.92);
  border-bottom-color:var(--bd);
  box-shadow:0 12px 34px rgba(0,0,0,.45);
}
.brand-row{display:flex;align-items:center;gap:20px;height:68px;transition:height var(--ease)}
.site-header.is-stuck .brand-row{height:60px}

.logo{display:flex;flex-direction:column;line-height:1;flex-shrink:0}
.logo-mark{font-size:19px;font-weight:800;letter-spacing:-.01em;color:var(--t1)}
.logo-sub{font-size:11px;letter-spacing:.18em;color:var(--t3);margin-top:5px}
.logo:hover .logo-mark{color:var(--brand-soft)}

.search{flex:0 1 320px;margin-left:6px}
.search-field{
  display:flex;align-items:center;gap:10px;
  height:40px;padding:0 14px;
  background:var(--bg-2);
  border:1px solid rgba(255,255,255,.1);
  border-radius:12px;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.search-field i{color:var(--t4);font-size:13px}
.search-field input{
  flex:1;min-width:0;height:100%;
  background:none;border:0;outline:none;
  color:var(--t1);font-size:14px;
}
.search-field input::placeholder{color:var(--t4)}
.search-field:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(76,111,255,.22)}

.brand-actions{margin-left:auto;display:flex;align-items:center;gap:14px}
.help-link{font-size:14px;color:var(--t2);transition:color var(--ease)}
.help-link:hover{color:var(--brand-soft)}

.menu-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:12px;
  border:1px solid var(--bd);color:var(--t1);
  transition:background var(--ease),border-color var(--ease);
}
.menu-toggle:hover{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.2)}

.channel-row{border-top:1px solid var(--bd)}
.site-header.is-stuck .channel-row{border-top-color:transparent}
.channels{
  display:flex;align-items:center;gap:6px;
  height:46px;overflow-x:auto;
  scrollbar-width:none;-ms-overflow-style:none;
}
.channels::-webkit-scrollbar{display:none}
.channel{
  position:relative;display:inline-flex;align-items:center;flex-shrink:0;
  height:32px;padding:0 14px;border-radius:8px;
  font-size:14px;color:var(--t2);
  transition:color var(--ease),background var(--ease);
}
.channel:hover{background:rgba(255,255,255,.06);color:var(--t1)}
.channel.is-active{color:var(--brand-soft);background:rgba(76,111,255,.18)}
.channel.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:-7px;height:2px;
  background:var(--brand);border-radius:2px;box-shadow:0 0 12px rgba(76,111,255,.9);
}

/* ---------- 抽屉 ---------- */
.drawer{
  position:fixed;inset:0;z-index:90;
  display:flex;flex-direction:column;
  padding:24px 22px 34px;
  background:rgba(5,7,13,.92);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  opacity:0;pointer-events:none;
  transition:opacity 260ms cubic-bezier(.2,.7,.3,1);
}
.drawer.is-open{opacity:1;pointer-events:auto}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:22px;border-bottom:1px solid var(--bd)}
.drawer-nav{display:flex;flex-direction:column;gap:4px;margin-top:26px}
.drawer-nav a{
  padding:14px 10px;font-size:18px;font-weight:600;color:var(--t2);
  border-radius:12px;transition:background var(--ease),color var(--ease);
}
.drawer-nav a:hover,.drawer-nav a.is-active{background:rgba(76,111,255,.16);color:var(--brand-soft)}
.drawer-foot{margin-top:auto;display:grid;gap:12px;padding-top:24px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:600;white-space:nowrap;
  transition:transform var(--ease),filter var(--ease),box-shadow var(--ease),background var(--ease),border-color var(--ease);
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--glow-brand)}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-2px)}
.btn-primary:active{transform:translateY(0);filter:brightness(.96)}
.btn-ghost{
  background:transparent;border:1px solid rgba(255,255,255,.18);
  color:var(--t1);border-radius:var(--radius-btn);
}
.btn-ghost:hover{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.32)}
.btn-ghost:active{background:rgba(255,255,255,.1)}
.btn-sm{height:38px;padding:0 18px;font-size:14px}

.text-btn{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand-soft);transition:color var(--ease)}
.text-btn i{transition:transform var(--ease)}
.text-btn:hover{color:#fff}
.text-btn:hover i{transform:translateX(4px)}

/* ---------- 文章页首屏 ---------- */
.article-hero{position:relative;overflow:hidden;padding:30px 0 44px}
.article-hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  opacity:.32;
}
.article-hero::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(680px 320px at 12% 8%,rgba(76,111,255,.20),transparent 70%),
    radial-gradient(520px 300px at 88% 20%,rgba(255,77,140,.14),transparent 72%),
    linear-gradient(180deg,rgba(5,7,13,.6) 0%,rgba(5,7,13,.88) 55%,var(--bg-0) 100%);
}
.article-hero-inner{position:relative;z-index:2}
.article-head{max-width:880px;margin-top:22px}

.breadcrumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13px;color:var(--t3);
}
.breadcrumb a{color:var(--t3);transition:color var(--ease)}
.breadcrumb a:hover{color:var(--brand-soft)}
.breadcrumb .sep{color:var(--t4)}
.breadcrumb .crumb-current{color:var(--brand-soft)}

.cat-badge{
  display:inline-flex;align-items:center;height:26px;padding:0 11px;
  border-radius:8px;font-size:12px;font-weight:500;
  color:var(--brand-soft);background:rgba(76,111,255,.12);
  border:1px solid rgba(76,111,255,.25);
}
.article-title{
  font-size:clamp(30px,4.6vw,48px);
  line-height:1.18;font-weight:800;letter-spacing:-.01em;
  color:#fff;margin-top:18px;
  overflow-wrap:break-word;word-break:break-word;
}
.article-meta{
  display:flex;flex-wrap:wrap;gap:8px 22px;margin-top:20px;
  font-size:13px;color:var(--t3);font-variant-numeric:tabular-nums;
}
.article-meta i{color:var(--t4);margin-right:7px;font-size:12.5px}

/* ---------- 正文 ---------- */
.article-main{padding:44px 0 0}
.reader{max-width:780px;margin:0 auto}
.reader-panel{
  background:var(--bg-1);
  border:1px solid var(--bd);
  border-radius:var(--radius-lg);
  padding:28px 22px;
  box-shadow:var(--shadow-card);
}
@media (min-width:768px){.reader-panel{padding:44px 46px}}

.article-cover{
  border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--bd);box-shadow:var(--shadow-card);
  aspect-ratio:16/9;margin-bottom:32px;
}
.article-cover img{width:100%;height:100%;object-fit:cover}

.cms-content{font-size:16.5px;line-height:1.85;color:#D7E0F5;overflow-wrap:break-word}
.cms-content > * + *{margin-top:1.15em}
.cms-content h2{
  position:relative;font-size:24px;line-height:1.42;font-weight:700;color:var(--t1);
  margin:2.1em 0 .75em;padding-left:14px;
}
.cms-content h2::before{
  content:"";position:absolute;left:0;top:.2em;width:3px;height:1.05em;
  background:var(--brand);border-radius:3px;box-shadow:0 0 12px rgba(76,111,255,.8);
}
.cms-content h3{font-size:19px;font-weight:600;color:var(--t1);margin:1.7em 0 .6em;line-height:1.5}
.cms-content h4{font-size:17px;font-weight:600;color:var(--brand-soft);margin:1.4em 0 .5em}
.cms-content p{margin:0}
.cms-content strong{color:#fff;font-weight:600}
.cms-content ul,.cms-content ol{padding-left:0;margin:1em 0}
.cms-content ul li{list-style:none;position:relative;padding-left:18px;margin:.5em 0}
.cms-content ul li::before{
  content:"";position:absolute;left:0;top:.7em;
  width:6px;height:6px;border-radius:2px;background:var(--brand);
}
.cms-content ol{counter-reset:li;padding-left:0}
.cms-content ol li{list-style:none;position:relative;padding-left:26px;margin:.5em 0}
.cms-content ol li::before{
  counter-increment:li;content:counter(li);
  position:absolute;left:0;top:.25em;
  width:18px;height:18px;border-radius:6px;
  display:flex;align-items:center;justify-content:center;
  font-size:11px;font-weight:700;color:var(--brand-soft);
  background:rgba(76,111,255,.16);
}
.cms-content blockquote{
  margin:1.5em 0;padding:16px 20px;
  background:rgba(18,24,38,.72);
  border-left:3px solid var(--brand);
  border-radius:12px;color:var(--t2);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
}
.cms-content blockquote p + p{margin-top:.7em}
.cms-content img{border-radius:14px;margin:1.6em auto;box-shadow:var(--shadow-card)}
.cms-content figcaption{font-size:13px;color:var(--t3);text-align:center;margin-top:.65em}
.cms-content a{color:var(--brand-soft);border-bottom:1px solid rgba(143,164,255,.35);transition:color var(--ease),border-color var(--ease)}
.cms-content a:hover{color:#fff;border-bottom-color:#fff}
.cms-content hr{border:0;height:1px;background:var(--bd);margin:2.2em 0}
.cms-content code{
  padding:2px 7px;border-radius:6px;font-size:14px;
  background:rgba(76,111,255,.14);color:#C7D3FF;
}
.cms-content pre{
  margin:1.5em 0;padding:18px;border-radius:12px;
  background:var(--bg-2);border:1px solid var(--bd);
  overflow-x:auto;font-size:14px;line-height:1.7;
}
.cms-content table{
  width:100%;border-collapse:collapse;margin:1.6em 0;font-size:14.5px;
  display:block;overflow-x:auto;white-space:nowrap;
}
.cms-content th,.cms-content td{border:1px solid var(--bd);padding:10px 14px;text-align:left}
.cms-content th{background:rgba(76,111,255,.12);color:var(--t1);font-weight:600}
.cms-content td{color:var(--t2)}
.cms-content tr:hover td{background:rgba(255,255,255,.035)}

.reader-foot{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  margin-top:34px;padding-top:26px;border-top:1px solid var(--bd);
}

.empty-state{
  display:flex;flex-direction:column;align-items:center;gap:16px;
  padding:56px 24px;text-align:center;
  border:1px dashed rgba(255,255,255,.16);
  border-radius:var(--radius-card);
  background:rgba(18,24,38,.5);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
}
.empty-state p{font-size:15px;color:var(--t2)}
.empty-state .empty-icon{font-size:26px;color:var(--t4)}

/* ---------- 区块 ---------- */
.section{padding:56px 0 0}
@media (min-width:768px){.section{padding:72px 0 0}}
@media (min-width:1024px){.section{padding:96px 0 0}}

.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:16px;margin-bottom:26px;
}
.section-title{
  position:relative;padding-left:14px;
  font-size:22px;font-weight:700;color:var(--t1);line-height:1.4;
}
.section-title::before{
  content:"";position:absolute;left:0;top:.18em;width:3px;height:1.1em;
  background:var(--brand);border-radius:3px;box-shadow:0 0 12px rgba(76,111,255,.8);
}
@media (min-width:1024px){.section-title{font-size:28px}}

.related-grid{display:grid;gap:20px;grid-template-columns:1fr}
@media (min-width:640px){.related-grid{grid-template-columns:1fr 1fr}}
@media (min-width:1024px){.related-grid{grid-template-columns:repeat(3,1fr);gap:24px}}

.rel-card{
  display:flex;flex-direction:column;
  background:var(--bg-1);border:1px solid var(--bd);
  border-radius:var(--radius-card);overflow:hidden;
  transition:transform var(--ease),border-color var(--ease),background var(--ease),box-shadow var(--ease);
}
.rel-card:hover{transform:translateY(-4px);background:var(--bg-2);border-color:var(--bd-hi);box-shadow:var(--shadow-float)}
.rel-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-2)}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 320ms cubic-bezier(.2,.7,.3,1)}
.rel-card:hover .rel-thumb img{transform:scale(1.04)}
.rel-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,7,13,0) 40%,rgba(5,7,13,.75) 100%)}
.rel-tag{
  position:absolute;left:12px;top:12px;z-index:2;
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:8px;font-size:12px;font-weight:500;
  color:#fff;background:rgba(5,7,13,.6);
  border:1px solid rgba(255,255,255,.16);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
}
.rel-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.rel-body h3{font-size:16.5px;font-weight:600;color:var(--t1);line-height:1.5}
.rel-body p{font-size:14px;color:var(--t3);line-height:1.72;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.rel-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--t4);font-variant-numeric:tabular-nums}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:96px;padding-top:64px;
  background:var(--bg-0);border-top:1px solid var(--bd);
}
.footer-grid{display:grid;grid-template-columns:1fr;gap:38px}
@media (min-width:640px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1fr;gap:48px 32px}}
.footer-note{margin-top:16px;font-size:14px;color:var(--t3);line-height:1.75;max-width:300px}
.footer-contact{list-style:none;margin-top:18px;display:grid;gap:10px;font-size:13.5px;color:var(--t3)}
.footer-contact i{color:var(--brand-soft);margin-right:9px;width:14px}
.footer-col h3{
  font-size:13px;font-weight:600;letter-spacing:.08em;
  color:var(--t3);margin-bottom:16px;
}
.footer-col ul{list-style:none;display:grid;gap:12px}
.footer-col a{font-size:14px;color:var(--t2);transition:color var(--ease)}
.footer-col a:hover{color:var(--brand-soft)}
.footer-bottom{margin-top:56px;border-top:1px solid var(--bd);padding:22px 0}
.footer-bottom-inner{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:13px;color:var(--t4);
}
.footer-bottom-inner a{color:var(--t3);transition:color var(--ease)}
.footer-bottom-inner a:hover{color:var(--brand-soft)}

/* ---------- 响应式头部 ---------- */
@media (max-width:1023px){
  .search{display:none}
}
@media (max-width:900px){
  .menu-toggle{display:inline-flex}
  .help-link{display:none}
}
@media (max-width:520px){
  .brand-actions .btn-primary{display:none}
  .logo-mark{font-size:17px}
  .logo-sub{font-size:10px;letter-spacing:.14em}
  .btn{width:100%}
  .reader-foot .btn{width:100%}
  .article-hero{padding:24px 0 34px}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.001ms !important;animation-duration:.001ms !important}
  html{scroll-behavior:auto}
}

/* roulang page: category2 */
:root{
  --bg-0:#05070D; --bg-1:#0A0F1A; --bg-2:#121826;
  --brand:#4C6FFF; --brand-soft:#8FA4FF; --accent:#FF4D8C; --gold:#FFC24B;
  --ok:#35D6A4; --warn:#FFB347; --err:#FF5A6E;
  --txt:#EDF2FF; --txt-2:#A9B6D3; --txt-3:#6E7C99; --txt-4:#4A5670;
  --line:rgba(255,255,255,.08); --line-active:rgba(76,111,255,.45);
  --radius-card:18px; --radius-lg:22px; --radius-input:12px;
  --glow-brand:0 0 0 1px rgba(76,111,255,.6), 0 10px 30px -8px rgba(76,111,255,.85);
  --shadow-card:0 10px 30px rgba(0,0,0,.5), inset 0 1px 0 rgba(255,255,255,.05);
  --shadow-float:0 24px 60px rgba(0,0,0,.65);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg-0);color:var(--txt);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16.5px;line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:6px}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
@media(min-width:1024px){.container{padding:0 32px}}

/* ---------- 基础件 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 24px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;letter-spacing:.01em;cursor:pointer;
  transition:transform 240ms var(--ease),box-shadow 240ms var(--ease),background 240ms var(--ease),filter 240ms var(--ease);
}
.btn-primary{
  background:var(--brand);color:#fff;
  box-shadow:var(--glow-brand);
}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-2px)}
.btn-primary:active{transform:translateY(0);filter:brightness(.96)}
.btn-soft{
  background:transparent;color:var(--txt);border-color:rgba(255,255,255,.18);
  border-radius:12px;
}
.btn-soft:hover{background:rgba(255,255,255,.06);transform:translateY(-2px)}
.btn-ghost{
  background:rgba(76,111,255,.10);color:var(--brand-soft);border-color:rgba(76,111,255,.35);
}
.btn-ghost:hover{background:rgba(76,111,255,.18);transform:translateY(-2px)}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px}
.text-link{color:var(--brand-soft);font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px;transition:color 200ms var(--ease)}
.text-link i{transition:transform 200ms var(--ease)}
.text-link:hover{color:#fff}
.text-link:hover i{transform:translateX(4px)}

.badge{
  display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 10px;border-radius:8px;
  font-size:12px;font-weight:500;letter-spacing:.02em;
}
.badge-brand{background:rgba(76,111,255,.12);color:var(--brand-soft)}
.badge-gold{background:rgba(255,194,75,.14);color:var(--gold)}
.badge-accent{background:rgba(255,77,140,.14);color:var(--accent)}
.badge-ok{background:rgba(53,214,164,.14);color:var(--ok)}

.section{padding:56px 0}
@media(min-width:768px){.section{padding:72px 0}}
@media(min-width:1024px){.section{padding:96px 0}}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;flex-wrap:wrap}
.section-head h2{font-size:22px;font-weight:700;line-height:1.3;position:relative;padding-left:16px}
.section-head h2::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:3px;border-radius:3px;background:var(--brand)}
@media(min-width:1024px){.section-head h2{font-size:30px}}
.section-sub{color:var(--txt-2);font-size:14.5px;margin-top:10px;max-width:640px}

/* ---------- 头部 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(5,7,13,.72);border-bottom:1px solid transparent;transition:background 240ms var(--ease),border-color 240ms var(--ease),box-shadow 240ms var(--ease)}
.site-header.is-scrolled{background:rgba(5,7,13,.86);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom-color:var(--line);box-shadow:0 12px 34px rgba(0,0,0,.5)}
.brand-row{display:flex;align-items:center;gap:18px;height:68px}
.site-header.is-scrolled .brand-row{height:60px}
.logo{display:flex;flex-direction:column;line-height:1;gap:4px;flex:0 0 auto}
.logo-mark{font-size:19px;font-weight:800;letter-spacing:-.01em;color:#fff}
.logo-sub{font-size:11px;letter-spacing:.18em;color:var(--txt-3)}
.header-search{
  flex:1 1 auto;max-width:340px;display:none;align-items:center;gap:10px;
  background:var(--bg-2);border:1px solid rgba(255,255,255,.1);border-radius:999px;height:42px;padding:0 16px;
  transition:border-color 200ms var(--ease),box-shadow 200ms var(--ease);
}
.header-search:focus-within{border-color:var(--line-active);box-shadow:0 0 0 3px rgba(76,111,255,.18)}
.header-search i{color:var(--txt-3);font-size:14px}
.header-search input{flex:1;background:transparent;border:0;outline:0;font-size:14px;color:var(--txt)}
.header-search input::placeholder{color:var(--txt-4)}
.brand-actions{display:flex;align-items:center;gap:14px;margin-left:auto}
.nav-toggle{
  width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.05);border:1px solid var(--line);border-radius:12px;cursor:pointer;
  transition:background 200ms var(--ease),border-color 200ms var(--ease);
}
.nav-toggle:hover{background:rgba(255,255,255,.1);border-color:var(--line-active)}
@media(min-width:1024px){
  .header-search{display:flex}
  .nav-toggle{display:none}
}

.channel-row{border-top:1px solid var(--line);}
.channels{display:flex;align-items:center;gap:8px;height:46px;overflow-x:auto;scrollbar-width:none}
.channels::-webkit-scrollbar{display:none}
.channel{
  position:relative;flex:0 0 auto;display:inline-flex;align-items:center;height:34px;padding:0 14px;border-radius:8px;
  font-size:14px;font-weight:500;color:var(--txt-2);transition:background 200ms var(--ease),color 200ms var(--ease);
}
.channel:hover{background:rgba(255,255,255,.06);color:var(--txt)}
.channel.is-active{color:var(--brand-soft);background:rgba(76,111,255,.18)}
.channel.is-active::after{content:"";position:absolute;left:12px;right:12px;bottom:-6px;height:2px;border-radius:2px;background:var(--brand);box-shadow:0 0 12px rgba(76,111,255,.9)}

.mobile-drawer{
  position:fixed;inset:0;z-index:80;display:none;
  background:rgba(5,7,13,.85);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
}
.mobile-drawer.is-open{display:block}
.mobile-inner{max-width:420px;margin:0 auto;padding:26px 20px 40px;display:flex;flex-direction:column;gap:22px;min-height:100%}
.mobile-head{display:flex;align-items:center;justify-content:space-between}
.mobile-close{width:44px;height:44px;border-radius:12px;background:rgba(255,255,255,.06);border:1px solid var(--line);display:inline-flex;align-items:center;justify-content:center;cursor:pointer}
.mobile-channels{display:flex;flex-direction:column;gap:6px;margin-top:8px}
.mobile-channels a{font-size:18px;font-weight:600;padding:14px 12px;border-radius:12px;color:var(--txt-2);transition:background 200ms var(--ease),color 200ms var(--ease)}
.mobile-channels a:hover{background:rgba(255,255,255,.06);color:var(--txt)}
.mobile-channels a.is-active{color:var(--brand-soft);background:rgba(76,111,255,.16)}
.mobile-actions{margin-top:auto;display:flex;flex-direction:column;gap:12px}
.mobile-actions .btn{width:100%}

/* ---------- 分类头图条 ---------- */
.zone-hero{
  position:relative;overflow:hidden;border-bottom:1px solid var(--line);
  min-height:320px;display:flex;align-items:flex-end;
  background-image:linear-gradient(90deg,rgba(5,7,13,.94) 0%,rgba(5,7,13,.72) 48%,rgba(5,7,13,.38) 100%),url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
}
.zone-hero::after{content:"";position:absolute;left:0;right:0;bottom:0;height:200px;background:linear-gradient(180deg,rgba(5,7,13,0),var(--bg-0));pointer-events:none}
.zone-hero-inner{position:relative;z-index:2;padding:38px 0 44px;max-width:640px}
@media(min-width:768px){.zone-hero{min-height:360px}.zone-hero-inner{padding:52px 0 56px}}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--txt-3);margin-bottom:18px;flex-wrap:wrap}
.breadcrumb a{transition:color 200ms var(--ease)}
.breadcrumb a:hover{color:var(--brand-soft)}
.breadcrumb .sep{color:var(--txt-4)}
.breadcrumb .current{color:var(--brand-soft)}
.zone-hero h1{font-size:30px;line-height:1.18;font-weight:800;letter-spacing:-.01em;margin-bottom:14px}
@media(min-width:768px){.zone-hero h1{font-size:42px}}
@media(min-width:1280px){.zone-hero h1{font-size:clamp(38px,4.2vw,50px)}}
.zone-hero p.lead{color:var(--txt-2);font-size:15.5px;max-width:520px;margin-bottom:24px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.hero-caps{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}
.caps{
  display:inline-flex;align-items:center;gap:8px;height:38px;padding:0 14px;border-radius:999px;
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);
  font-size:13px;color:var(--txt-2);backdrop-filter:blur(6px);
}
.caps i{color:var(--brand-soft);font-size:13px}

/* ---------- 筛选 ---------- */
.filter-bar{display:flex;align-items:center;gap:10px;overflow-x:auto;padding:6px 0 10px;scrollbar-width:none}
.filter-bar::-webkit-scrollbar{display:none}
.chip{
  flex:0 0 auto;height:36px;padding:0 16px;border-radius:999px;cursor:pointer;
  background:var(--bg-2);border:1px solid var(--line);color:var(--txt-2);
  font-size:13.5px;font-weight:500;
  transition:background 200ms var(--ease),color 200ms var(--ease),border-color 200ms var(--ease),transform 200ms var(--ease);
}
.chip:hover{color:var(--txt);border-color:var(--line-active);transform:translateY(-2px)}
.chip.is-active{background:var(--brand);border-color:var(--brand);color:#fff;box-shadow:0 8px 22px -8px rgba(76,111,255,.9)}

/* ---------- Bento 网格 ---------- */
.bento{display:grid;grid-template-columns:1fr;gap:18px;margin-top:22px}
@media(min-width:768px){.bento{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}}
@media(min-width:1024px){.bento{grid-template-columns:repeat(4,minmax(0,1fr));gap:22px}}
.b-card{
  display:flex;flex-direction:column;background:var(--bg-1);border:1px solid var(--line);
  border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-card);
  transition:transform 240ms var(--ease),border-color 240ms var(--ease),background 240ms var(--ease),box-shadow 240ms var(--ease);
}
.b-card:hover{transform:translateY(-4px);border-color:rgba(76,111,255,.4);background:var(--bg-2);box-shadow:0 20px 46px rgba(0,0,0,.6)}
.b-media{position:relative;overflow:hidden;background:#0d1320}
.b-media img{width:100%;height:100%;object-fit:cover;transition:transform 420ms var(--ease)}
.b-card:hover .b-media img{transform:scale(1.05)}
.b-media .b-tag{position:absolute;left:14px;top:14px}
.b-media .b-state{position:absolute;right:14px;top:14px}
.b-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.b-body h3{font-size:17px;font-weight:600;line-height:1.4}
.b-body p{font-size:14px;line-height:1.75;color:var(--txt-2)}
.b-meta{font-size:13px;color:var(--txt-3);font-variant-numeric:tabular-nums;margin-top:auto;display:flex;align-items:center;gap:8px}
.b-meta i{color:var(--brand-soft);font-size:12px}
.b-card .b-sm{padding:16px 18px 20px}
.b-card .b-sm h3{font-size:16px}
@media(min-width:1024px){
  .b-large{grid-column:span 2;grid-row:span 2}
  .b-wide{grid-column:span 2}
  .b-large .b-media{flex:1;min-height:220px;aspect-ratio:auto}
  .b-large .b-media img{position:absolute;inset:0}
  .b-large .b-body{padding:22px 24px 24px}
  .b-large .b-body h3{font-size:22px}
  .b-large .b-body p{font-size:14.5px}
}
@media(max-width:1023px){
  .b-large .b-media,.b-wide .b-media{aspect-ratio:16/9}
}

/* ---------- 横滑带 ---------- */
.rail-wrap{position:relative}
.rail{display:flex;gap:18px;overflow-x:auto;scroll-snap-type:x mandatory;padding:4px 2px 16px;scrollbar-width:none}
.rail::-webkit-scrollbar{display:none}
.rail-card{
  flex:0 0 82vw;scroll-snap-align:start;background:var(--bg-1);border:1px solid var(--line);
  border-radius:var(--radius-card);overflow:hidden;transition:transform 240ms var(--ease),border-color 240ms var(--ease),background 240ms var(--ease);
}
.rail-card:hover{transform:translateY(-6px);border-color:rgba(76,111,255,.4);background:var(--bg-2)}
@media(min-width:640px){.rail-card{flex:0 0 320px}}
@media(min-width:1024px){.rail-card{flex:0 0 360px}}
.rail-card .r-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:#0d1320}
.rail-card .r-media img{width:100%;height:100%;object-fit:cover;transition:transform 420ms var(--ease)}
.rail-card:hover .r-media img{transform:scale(1.05)}
.rail-card .r-body{padding:16px 18px 18px}
.rail-card h3{font-size:16px;font-weight:600;line-height:1.45;margin-bottom:8px}
.rail-card .r-meta{font-size:13px;color:var(--txt-3)}
.rail-arrow{
  display:none;position:absolute;top:50%;transform:translateY(-50%);width:44px;height:44px;border-radius:999px;
  background:rgba(10,15,26,.7);border:1px solid var(--line);backdrop-filter:blur(8px);
  align-items:center;justify-content:center;cursor:pointer;z-index:3;color:var(--txt-2);
  transition:color 200ms var(--ease),border-color 200ms var(--ease),background 200ms var(--ease);
}
.rail-arrow:hover{color:#fff;border-color:var(--line-active);background:rgba(18,24,38,.9)}
.rail-arrow.prev{left:-22px}
.rail-arrow.next{right:-22px}
@media(min-width:1280px){.rail-arrow{display:flex}}

/* ---------- 文字提示区 ---------- */
.note-panel{
  background:var(--bg-1);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:30px 24px;box-shadow:var(--shadow-card);
}
@media(min-width:1024px){.note-panel{padding:44px 46px;display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:center}}
.note-panel h2{font-size:22px;font-weight:700;margin-bottom:16px;line-height:1.35}
@media(min-width:1024px){.note-panel h2{font-size:28px}}
.note-panel p{color:var(--txt-2);font-size:15px;margin-bottom:14px}
.note-points{display:flex;flex-direction:column;gap:14px;margin-top:6px}
.note-points li{display:flex;gap:14px;align-items:flex-start;background:var(--bg-2);border:1px solid var(--line);border-radius:14px;padding:16px 18px}
.note-points i{color:var(--brand-soft);margin-top:6px;font-size:14px}
.note-points strong{display:block;font-size:15px;font-weight:600;margin-bottom:4px}
.note-points span{font-size:13.5px;color:var(--txt-2);line-height:1.7}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:860px}
.faq-item{background:var(--bg-1);border:1px solid var(--line);border-radius:16px;overflow:hidden;transition:border-color 220ms var(--ease),background 220ms var(--ease)}
.faq-item.is-open{border-color:rgba(76,111,255,.4);background:var(--bg-2)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;background:transparent;border:0;cursor:pointer;text-align:left;
  font-size:16px;font-weight:600;color:var(--txt);
}
.faq-q .faq-icon{flex:0 0 auto;width:26px;height:26px;border-radius:8px;display:inline-flex;align-items:center;justify-content:center;background:rgba(255,255,255,.06);color:var(--txt-2);font-size:12px;transition:transform 220ms var(--ease),color 220ms var(--ease),background 220ms var(--ease)}
.faq-item.is-open .faq-icon{transform:rotate(180deg);color:var(--brand-soft);background:rgba(76,111,255,.16)}
.faq-a{max-height:0;overflow:hidden;transition:max-height 260ms var(--ease)}
.faq-a-inner{padding:0 20px 20px;font-size:15px;color:var(--txt-2);line-height:1.8;border-top:1px solid transparent}
.faq-item.is-open .faq-a-inner{border-top-color:var(--line);padding-top:14px}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:26px;border:1px solid var(--line);
  background:
    radial-gradient(600px 260px at 12% 20%,rgba(76,111,255,.18),transparent 70%),
    radial-gradient(520px 240px at 88% 82%,rgba(255,77,140,.14),transparent 70%),
    var(--bg-1);
  padding:42px 24px;text-align:center;
}
@media(min-width:1024px){.cta-band{padding:64px 56px}}
.cta-band h2{font-size:24px;font-weight:800;line-height:1.3;margin-bottom:14px}
@media(min-width:1024px){.cta-band h2{font-size:34px}}
.cta-band .cta-sub{color:var(--txt-2);font-size:15.5px;max-width:620px;margin:0 auto 26px}
.cta-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;align-items:center}
.cta-assure{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:28px}
.cta-assure span{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--txt-2);background:rgba(255,255,255,.05);border:1px solid var(--line);border-radius:999px;height:34px;padding:0 14px}
.cta-assure i{color:var(--ok);font-size:12px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg-0);border-top:1px solid var(--line);margin-top:40px}
.footer-grid{display:grid;grid-template-columns:1fr;gap:34px;padding-top:48px;padding-bottom:40px}
@media(min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;padding-top:64px}}
.footer-brand .logo{margin-bottom:14px}
.footer-note{font-size:14px;color:var(--txt-2);max-width:280px;margin-bottom:18px}
.footer-contact{display:flex;flex-direction:column;gap:10px}
.footer-contact li{display:flex;align-items:center;gap:10px;font-size:13.5px;color:var(--txt-3)}
.footer-contact i{color:var(--brand-soft);font-size:13px;width:16px}
.footer-col h3{font-size:13px;letter-spacing:.08em;color:var(--txt-3);font-weight:600;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{font-size:14px;color:var(--txt-2);transition:color 200ms var(--ease)}
.footer-col a:hover{color:var(--brand-soft)}
.footer-bottom{border-top:1px solid var(--line);padding:18px 0}
.footer-bottom-inner{display:flex;flex-direction:column;gap:8px;font-size:13px;color:var(--txt-3)}
@media(min-width:768px){.footer-bottom-inner{flex-direction:row;justify-content:space-between;align-items:center}}
.footer-bottom a{color:var(--txt-2);transition:color 200ms var(--ease)}
.footer-bottom a:hover{color:var(--brand-soft)}

.reveal{opacity:0;transform:translateY(16px);transition:opacity 520ms var(--ease),transform 520ms var(--ease)}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category1 */
:root{
  --bg-0:#05070D;
  --bg-1:#0A0F1A;
  --bg-2:#121826;
  --brand:#4C6FFF;
  --brand-soft:#8FA4FF;
  --accent:#FF4D8C;
  --gold:#FFC24B;
  --ok:#35D6A4;
  --warn:#FFB347;
  --err:#FF5A6E;
  --text:#EDF2FF;
  --text-2:#A9B6D3;
  --text-3:#6E7C99;
  --line:rgba(255,255,255,.08);
  --line-2:rgba(255,255,255,.18);
  --line-active:rgba(76,111,255,.45);
  --r-card:18px;
  --r-hero:22px;
  --r-btn:12px;
  --shadow-card:0 10px 30px rgba(0,0,0,.5), inset 0 1px 0 rgba(255,255,255,.05);
  --shadow-float:0 24px 60px rgba(0,0,0,.65);
  --glow-brand:0 0 0 1px rgba(76,111,255,.6), 0 10px 30px -8px rgba(76,111,255,.85);
  --ease:cubic-bezier(.2,.7,.3,1);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  font-size:16.5px;
  line-height:1.85;
  font-variant-numeric:tabular-nums;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .24s var(--ease), border-color .24s var(--ease), background-color .24s var(--ease)}
button{font:inherit;color:inherit;cursor:pointer}
input,textarea,select{font:inherit}
::selection{background:rgba(76,111,255,.35);color:#fff}
a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(255,77,140,.85);outline-offset:2px;border-radius:8px}

.container{width:100%;max-width:1240px;margin:0 auto;padding-left:20px;padding-right:20px}
@media (min-width:1024px){.container{padding-left:32px;padding-right:32px}}

/* ================= 顶部导航 ================= */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(5,7,13,.82);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
  transition:background-color .28s var(--ease), box-shadow .28s var(--ease);
}
.site-header.is-scrolled{background:rgba(5,7,13,.94);box-shadow:0 12px 34px rgba(0,0,0,.55)}
.brand-row{display:flex;align-items:center;gap:18px;height:68px;transition:height .28s var(--ease)}
.site-header.is-scrolled .brand-row{height:60px}

.logo{display:flex;flex-direction:column;line-height:1.06;flex-shrink:0}
.logo-mark{font-size:19px;font-weight:800;letter-spacing:-.01em;color:var(--text)}
.logo-sub{font-size:11px;letter-spacing:.18em;color:var(--text-3);margin-top:3px}
.logo:hover .logo-mark{color:var(--brand-soft)}

.site-search{
  position:relative;flex:1;max-width:380px;display:none;
  align-items:center;background:var(--bg-2);
  border:1px solid var(--line);border-radius:12px;height:42px;
}
.site-search i{position:absolute;left:14px;font-size:14px;color:var(--text-3)}
.site-search input{
  width:100%;height:100%;background:transparent;border:0;outline:none;
  padding:0 14px 0 38px;color:var(--text);font-size:14.5px;
}
.site-search input::placeholder{color:var(--text-3)}
.site-search:focus-within{border-color:var(--line-active);box-shadow:0 0 0 3px rgba(76,111,255,.18)}
@media (min-width:1024px){.site-search{display:flex}}

.brand-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.link-quiet{font-size:14px;color:var(--text-2);padding:8px 6px;display:none}
.link-quiet:hover{color:var(--brand-soft)}
@media (min-width:768px){.link-quiet{display:inline-block}}

.menu-toggle{
  width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.04);border:1px solid var(--line);border-radius:12px;
  color:var(--text-2);font-size:17px;transition:all .24s var(--ease);
}
.menu-toggle:hover{color:var(--text);border-color:var(--line-2)}
@media (min-width:1024px){.menu-toggle{display:none}}

.channels-row{border-top:1px solid var(--line)}
.channels{display:flex;align-items:center;gap:6px;height:46px;overflow-x:auto;scrollbar-width:none}
.channels::-webkit-scrollbar{display:none}
.channel{
  position:relative;flex-shrink:0;padding:8px 14px;border-radius:8px;
  font-size:14.5px;color:var(--text-2);white-space:nowrap;
  transition:all .24s var(--ease);
}
.channel:hover{background:rgba(255,255,255,.06);color:var(--text)}
.channel.is-active{color:var(--brand-soft);background:rgba(76,111,255,.18)}
.channel.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:-1px;height:2px;
  background:var(--brand);border-radius:2px;box-shadow:0 0 12px rgba(76,111,255,.9);
}

/* 移动抽屉 */
.drawer{
  position:fixed;inset:0;z-index:90;background:rgba(5,7,13,.9);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  padding:24px 20px 32px;display:flex;flex-direction:column;gap:6px;
  opacity:0;visibility:hidden;transform:translateY(-12px);
  transition:opacity .26s var(--ease), transform .26s var(--ease), visibility .26s;
}
.drawer.is-open{opacity:1;visibility:visible;transform:translateY(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-close{width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;background:rgba(255,255,255,.05);border:1px solid var(--line);border-radius:12px;color:var(--text-2)}
.drawer-link{font-size:18px;font-weight:600;padding:14px 12px;border-radius:12px;color:var(--text-2);border:1px solid transparent}
.drawer-link:hover,.drawer-link.is-active{background:rgba(76,111,255,.14);border-color:var(--line-active);color:var(--brand-soft)}
.drawer-actions{margin-top:auto;display:grid;gap:12px}

/* ================= 按钮 ================= */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:999px;font-size:15px;font-weight:600;
  border:1px solid transparent;transition:all .24s var(--ease);white-space:nowrap;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--glow-brand)}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 0 0 1px rgba(76,111,255,.7),0 16px 40px -10px rgba(76,111,255,.95)}
.btn-primary:active{transform:translateY(0);filter:brightness(.96)}
.btn-ghost{background:transparent;border-color:var(--line-2);color:var(--text)}
.btn-ghost:hover{background:rgba(255,255,255,.06);border-color:var(--line-active);transform:translateY(-2px)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-block{width:100%}
.btn-text{
  display:inline-flex;align-items:center;gap:8px;color:var(--brand-soft);
  font-size:14.5px;font-weight:600;padding:6px 2px;
}
.btn-text i{transition:transform .24s var(--ease)}
.btn-text:hover i{transform:translateX(4px)}

/* ================= 面包屑 ================= */
.crumb-bar{padding:16px 0 4px;border-bottom:1px solid transparent}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);flex-wrap:wrap}
.crumb a:hover{color:var(--brand-soft)}
.crumb-sep{color:rgba(110,124,153,.6)}
.crumb-now{color:var(--brand-soft)}

/* ================= 分类头图 ================= */
.cat-hero{position:relative;overflow:hidden;isolation:isolate}
.cat-hero-bg{position:absolute;inset:0;z-index:-1;background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat}
.cat-hero-bg::after{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(5,7,13,.78) 0%,rgba(5,7,13,.6) 42%,rgba(5,7,13,.94) 86%,var(--bg-0) 100%),
    radial-gradient(58% 58% at 16% 28%,rgba(76,111,255,.26),transparent 72%),
    radial-gradient(46% 46% at 86% 12%,rgba(255,77,140,.16),transparent 72%);
}
.cat-hero-inner{
  position:relative;
  min-height:300px;
  padding-top:44px;padding-bottom:52px;
  display:flex;align-items:flex-end;gap:36px;
}
@media (min-width:1024px){.cat-hero-inner{min-height:400px;padding-top:64px;padding-bottom:72px}}
.cat-hero-copy{width:100%}
@media (min-width:1024px){.cat-hero-copy{width:56%}}

.chip{
  display:inline-flex;align-items:center;gap:8px;padding:5px 12px;border-radius:8px;
  font-size:12px;font-weight:500;letter-spacing:.02em;
}
.chip-brand{background:rgba(76,111,255,.14);color:var(--brand-soft);border:1px solid rgba(76,111,255,.28)}
.chip-live{background:rgba(255,77,140,.14);color:#FF9BBE;border:1px solid rgba(255,77,140,.3)}
.chip-gold{background:rgba(255,194,75,.14);color:var(--gold);border:1px solid rgba(255,194,75,.3)}

.hero-title{
  margin:18px 0 14px;font-weight:800;letter-spacing:-.01em;line-height:1.15;
  font-size:clamp(30px,4.6vw,52px);
}
.hero-sub{margin:0 0 26px;font-size:16px;color:var(--text-2);max-width:560px;line-height:1.75}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
@media (max-width:519px){.hero-actions .btn{width:100%}}

.capsules{display:flex;flex-wrap:wrap;gap:10px;margin:26px 0 0;padding:0;list-style:none}
.capsules li{
  display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border-radius:999px;
  font-size:13px;color:var(--text-2);
  background:rgba(255,255,255,.05);border:1px solid var(--line);
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
}
.capsules i{color:var(--brand-soft);font-size:13px}

.cat-hero-card{display:none}
@media (min-width:1024px){
  .cat-hero-card{
    display:block;width:230px;flex-shrink:0;border-radius:var(--r-hero);overflow:hidden;
    border:1px solid var(--line);box-shadow:var(--shadow-float);transform:translateY(-8px);
  }
  .cat-hero-card img{width:100%;aspect-ratio:3/4;object-fit:cover}
}

/* ================= 板块 ================= */
.section{padding:56px 0}
@media (min-width:768px){.section{padding:72px 0}}
@media (min-width:1024px){.section{padding:96px 0}}
.section-alt{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}

.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;flex-wrap:wrap}
.sec-title{
  position:relative;margin:0;font-size:22px;font-weight:700;line-height:1.35;letter-spacing:-.01em;
  padding-left:14px;
}
.sec-title::before{
  content:"";position:absolute;left:0;top:.28em;bottom:.28em;width:3px;border-radius:3px;
  background:var(--brand);box-shadow:0 0 12px rgba(76,111,255,.8);
}
@media (min-width:1024px){.sec-title{font-size:30px}}
.sec-lead{margin:10px 0 0;color:var(--text-2);font-size:15px;max-width:720px}
.body-text{margin:0 0 1.15em;font-size:15px;line-height:1.85;color:var(--text-2)}
@media (min-width:1024px){.body-text{font-size:16.5px}}

/* ================= 登录指引导航 + 内容 ================= */
.guide-grid{display:grid;gap:32px}
@media (min-width:1024px){.guide-grid{grid-template-columns:220px minmax(0,1fr);gap:48px}}

.anchor-nav{display:none}
@media (min-width:1024px){
  .anchor-nav{display:block;position:sticky;top:120px;align-self:start}
}
.anchor-title{font-size:12px;letter-spacing:.14em;color:var(--text-3);margin:0 0 14px}
.anchor-list{list-style:none;margin:0;padding:0;display:grid;gap:2px}
.anchor-link{
  display:block;padding:9px 12px;font-size:14.5px;color:var(--text-2);
  border-left:2px solid transparent;border-radius:0 8px 8px 0;transition:all .24s var(--ease);
}
.anchor-link:hover{color:var(--text);background:rgba(255,255,255,.04)}
.anchor-link.is-active{color:var(--brand-soft);border-left-color:var(--brand);background:rgba(76,111,255,.1)}
.anchor-foot{
  margin-top:22px;padding:16px;border-radius:14px;background:var(--bg-2);
  border:1px solid var(--line);font-size:13px;color:var(--text-3);line-height:1.7;
}

.step-list{list-style:none;margin:0;padding:0;display:grid;gap:16px}
.step-card{
  position:relative;background:var(--bg-1);border:1px solid var(--line);
  border-radius:var(--r-card);padding:24px 24px 24px 76px;
  box-shadow:var(--shadow-card);transition:all .24s var(--ease);
}
.step-card:hover{transform:translateY(-4px);border-color:var(--line-active);background:var(--bg-2)}
.step-dot{
  position:absolute;left:24px;top:24px;width:34px;height:34px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;color:#fff;
  background:rgba(76,111,255,.18);border:1px solid var(--line-active);
  box-shadow:0 0 0 4px rgba(76,111,255,.08),0 0 18px rgba(76,111,255,.5);
}
.step-title{margin:0 0 8px;font-size:17px;font-weight:600;color:var(--text)}
.step-text{margin:0;font-size:15px;line-height:1.8;color:var(--text-2)}
@media (max-width:519px){.step-card{padding:20px 18px 20px 18px}.step-dot{position:static;margin-bottom:12px}}

.tip-bar{
  margin:22px 0;padding:16px 20px;border-radius:0 14px 14px 0;
  border-left:3px solid var(--brand);
  background:linear-gradient(90deg,rgba(76,111,255,.14),rgba(76,111,255,0));
  font-size:14.5px;color:var(--text);line-height:1.8;
}
.tip-bar i{color:var(--brand-soft);margin-right:8px}

.check-list{list-style:none;margin:0;padding:0;display:grid;gap:12px}
.check-list li{
  position:relative;padding:14px 18px 14px 44px;border-radius:14px;
  background:var(--bg-1);border:1px solid var(--line);font-size:15px;color:var(--text-2);
  transition:all .24s var(--ease);
}
.check-list li::before{
  content:"";position:absolute;left:18px;top:22px;width:9px;height:9px;border-radius:3px;
  background:var(--brand);box-shadow:0 0 10px rgba(76,111,255,.85);
}
.check-list li:hover{border-color:var(--line-active);background:var(--bg-2);color:var(--text)}
.check-list strong{color:var(--text);font-weight:600}

/* 环境表 */
.table-scroll{overflow-x:auto;border-radius:16px;border:1px solid var(--line);background:var(--bg-1)}
.env-table{width:100%;border-collapse:collapse;min-width:560px}
.env-table th{
  text-align:left;font-size:13px;font-weight:500;letter-spacing:.06em;color:var(--text-3);
  padding:14px 20px;background:rgba(255,255,255,.03);border-bottom:1px solid var(--line);white-space:nowrap;
}
.env-table td{
  padding:16px 20px;font-size:14.5px;color:var(--text-2);
  border-bottom:1px solid rgba(255,255,255,.05);
}
.env-table tbody tr:last-child td{border-bottom:0}
.env-table tbody tr{transition:background-color .2s var(--ease)}
.env-table tbody tr:hover{background:rgba(76,111,255,.07)}
.env-table td:first-child{color:var(--text);font-weight:500;white-space:nowrap}

/* ================= FAQ ================= */
.faq-list{display:grid;gap:14px}
.faq-item{
  background:var(--bg-1);border:1px solid var(--line);border-radius:16px;overflow:hidden;
  transition:border-color .24s var(--ease), background-color .24s var(--ease);
}
.faq-item:hover{border-color:var(--line-2)}
.faq-item.is-open{border-color:var(--line-active);background:var(--bg-2)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;background:transparent;border:0;text-align:left;
  font-size:16px;font-weight:600;color:var(--text);line-height:1.6;
}
.faq-icon{
  flex-shrink:0;width:26px;height:26px;display:inline-flex;align-items:center;justify-content:center;
  color:var(--text-3);font-size:14px;transition:transform .22s var(--ease), color .22s var(--ease);
}
.faq-item.is-open .faq-icon{transform:rotate(180deg);color:var(--brand-soft)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s var(--ease)}
.faq-a-inner{padding:0 22px 20px;font-size:15px;line-height:1.85;color:var(--text-2)}
.faq-a-inner p{margin:0 0 10px}
.faq-a-inner p:last-child{margin-bottom:0}

/* ================= 分流横卡 ================= */
.dispatch-list{display:grid;gap:18px}
.dispatch-card{
  display:grid;grid-template-columns:1fr;gap:0;overflow:hidden;
  background:var(--bg-1);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-card);transition:all .24s var(--ease);
}
.dispatch-card:hover{transform:translateY(-4px);border-color:var(--line-active);background:var(--bg-2)}
@media (min-width:768px){.dispatch-card{grid-template-columns:240px minmax(0,1fr)}}
.dispatch-thumb{position:relative;overflow:hidden}
.dispatch-thumb img{width:100%;height:100%;min-height:170px;object-fit:cover;transition:transform .4s var(--ease)}
.dispatch-card:hover .dispatch-thumb img{transform:scale(1.04)}
.dispatch-thumb .chip{position:absolute;left:14px;top:14px}
.dispatch-body{padding:22px 24px;display:flex;flex-direction:column;gap:8px}
.dispatch-title{margin:0;font-size:18px;font-weight:600;color:var(--text)}
.dispatch-text{margin:0;font-size:14.5px;line-height:1.8;color:var(--text-2)}
.dispatch-meta{font-size:13px;color:var(--text-3);margin-top:auto;padding-top:10px}

/* ================= CTA ================= */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(40% 60% at 12% 20%,rgba(76,111,255,.22),transparent 70%),
    radial-gradient(36% 56% at 88% 80%,rgba(255,77,140,.14),transparent 70%);
}
.cta-inner{position:relative;padding:64px 0;display:grid;gap:26px;justify-items:start}
@media (min-width:1024px){.cta-inner{padding:88px 0;max-width:760px}}
.cta-title{margin:0;font-size:24px;font-weight:700;line-height:1.35;letter-spacing:-.01em}
@media (min-width:1024px){.cta-title{font-size:32px}}
.cta-text{margin:0;color:var(--text-2);font-size:15.5px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.assure-list{display:flex;flex-wrap:wrap;gap:10px;list-style:none;margin:8px 0 0;padding:0}
.assure-list li{
  font-size:13px;color:var(--text-2);padding:8px 14px;border-radius:999px;
  background:rgba(255,255,255,.05);border:1px solid var(--line);
}
.assure-list i{color:var(--ok);margin-right:8px}

/* ================= 页脚 ================= */
.site-footer{background:var(--bg-0);border-top:1px solid var(--line);padding-top:48px}
@media (min-width:768px){.site-footer{padding-top:64px}}
.footer-grid{display:grid;gap:36px;grid-template-columns:1fr;padding-bottom:44px}
@media (min-width:640px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:44px}}
.footer-note{margin:16px 0 18px;font-size:14px;color:var(--text-3);line-height:1.8;max-width:320px}
.footer-contact{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.footer-contact li{font-size:13.5px;color:var(--text-2);display:flex;align-items:center;gap:10px}
.footer-contact i{color:var(--brand-soft);width:16px;text-align:center}
.footer-col h3{margin:0 0 16px;font-size:13px;letter-spacing:.08em;color:var(--text-3);font-weight:500}
.footer-col ul{list-style:none;margin:0;padding:0;display:grid;gap:11px}
.footer-col a{font-size:14px;color:var(--text-2)}
.footer-col a:hover{color:var(--brand-soft)}
.footer-bottom{border-top:1px solid var(--line)}
.footer-bottom-inner{
  display:flex;flex-wrap:wrap;gap:8px 20px;align-items:center;justify-content:space-between;
  padding-top:22px;padding-bottom:22px;font-size:13px;color:var(--text-3);
}
.footer-bottom-inner p{margin:0}
.footer-bottom-inner a{color:var(--text-2)}
.footer-bottom-inner a:hover{color:var(--brand-soft)}

/* ================= 渐入 ================= */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .6s var(--ease), transform .6s var(--ease)}
.reveal.in-view{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
  *{animation:none !important;transition-duration:.01ms !important}
}