/* roulang page: index */
/* ============ 设计变量 ============ */
:root{
  --bg-0:#05070E;
  --bg-1:#0A1120;
  --bg-2:#101A2E;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.14);
  --brand:#2C6BFF;
  --brand-deep:#0E4BD8;
  --accent:#3DE8C8;
  --hot:#FF6A3D;
  --text:#EAF0FA;
  --text-2:#9DAEC6;
  --text-3:#6B7C96;
  --glass:rgba(16,26,46,.55);
  --glass-strong:rgba(10,17,32,.86);
  --radius-lg:18px;
  --radius-md:14px;
  --radius-sm:12px;
  --pill:999px;
  --shadow-lg:0 20px 60px rgba(0,0,0,.45);
  --shadow-sm:0 10px 28px rgba(0,0,0,.32);
  --shadow-btn:0 0 0 1px rgba(61,232,200,.35),0 12px 32px rgba(44,107,255,.35);
  --container:1280px;
  --gutter:32px;
  --section-gap:88px;
  --font-sans:"HarmonyOS Sans SC","PingFang SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}

/* ============ 基础重置 ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg-0);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background-image:
    radial-gradient(900px 520px at -8% -6%, rgba(44,107,255,.18), transparent 70%),
    radial-gradient(760px 520px at 106% 18%, rgba(61,232,200,.13), transparent 70%),
    linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size:auto,auto,4px 4px,4px 4px;
}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease;}
img{display:block;max-width:100%;height:auto;border:0;}
button,input,textarea,select{font:inherit;color:inherit;}
button{cursor:pointer;background:none;border:0;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px;}
::selection{background:rgba(44,107,255,.4);color:#fff;}

/* ============ 容器 ============ */
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 var(--gutter);position:relative;z-index:1;}
main,footer,header{position:relative;z-index:1;}

/* ============ 通用文本 ============ */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.14em;color:var(--accent);
  text-transform:uppercase;font-weight:700;
}
.section{padding:var(--section-gap) 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap;}
.section-head h2{font-size:30px;line-height:1.3;font-weight:800;letter-spacing:-.01em;}
.section-head p{color:var(--text-2);font-size:15px;max-width:620px;margin-top:10px;}
.more-link{color:var(--accent);font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:8px;}
.more-link i{transition:transform .2s ease;}
.more-link:hover i{transform:translateX(4px);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  height:48px;padding:0 26px;border-radius:var(--pill);
  font-size:15px;font-weight:700;letter-spacing:.01em;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,border-color .2s ease,color .2s ease;
  white-space:nowrap;
}
.btn i{font-size:14px;}
.btn-primary{
  background:linear-gradient(135deg,var(--brand) 0%,var(--brand-deep) 45%,var(--accent) 130%);
  color:#04101F;
  box-shadow:var(--shadow-btn);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(61,232,200,.5),0 18px 42px rgba(44,107,255,.5);}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 3px 12px rgba(0,0,0,.35);}
.btn-glass{
  background:rgba(16,26,46,.6);
  border:1px solid var(--line-strong);
  color:var(--text);
  backdrop-filter:blur(14px);
}
.btn-glass:hover{border-color:rgba(61,232,200,.5);color:#fff;transform:translateY(-2px);}
.btn-ghost{
  background:transparent;
  border:1px solid rgba(61,232,200,.45);
  color:var(--accent);
}
.btn-ghost:hover{background:rgba(61,232,200,.1);transform:translateY(-2px);}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}
.btn-block{width:100%;}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;}
.icon-btn{
  width:40px;height:40px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
  background:rgba(16,26,46,.6);border:1px solid var(--line-strong);color:var(--text-2);
  transition:all .2s ease;
}
.icon-btn:hover{color:#fff;border-color:rgba(61,232,200,.55);box-shadow:0 0 18px rgba(61,232,200,.25);}

/* ============ 徽章 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 12px;border-radius:var(--pill);
  font-size:12px;font-weight:600;letter-spacing:.02em;
}
.badge-brand{background:rgba(44,107,255,.16);color:#9FC0FF;border:1px solid rgba(44,107,255,.3);}
.badge-live{background:rgba(255,106,61,.14);color:#FFB199;border:1px solid rgba(255,106,61,.42);}
.badge-live .dot{width:6px;height:6px;border-radius:50%;background:var(--hot);box-shadow:0 0 10px var(--hot);animation:pulse 1.6s infinite;}
.badge-glass{background:rgba(255,255,255,.06);color:var(--text-2);border:1px solid var(--line-strong);}
@keyframes pulse{0%,100%{opacity:1;}50%{opacity:.35;}}

/* ============ 顶部导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  height:72px;
  background:rgba(5,7,14,.35);
  backdrop-filter:blur(20px) saturate(150%);
  border-bottom:1px solid rgba(255,255,255,.10);
  box-shadow:0 10px 40px rgba(0,0,0,.35);
  transition:background-color .3s ease,height .3s ease,box-shadow .3s ease;
}
.site-header.is-scrolled{background:rgba(5,7,14,.92);height:64px;box-shadow:0 16px 44px rgba(0,0,0,.6);}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:100%;}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:19px;letter-spacing:-.01em;color:#fff;}
.logo-mark{
  width:34px;height:34px;border-radius:11px;display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--brand),var(--accent));color:#04101F;font-size:15px;
  box-shadow:0 0 0 1px rgba(61,232,200,.4),0 8px 22px rgba(44,107,255,.45);
}
.logo-text{white-space:nowrap;}
.main-nav{display:flex;align-items:center;gap:6px;}
.nav-link{
  position:relative;padding:10px 14px;border-radius:10px;
  font-size:15px;font-weight:600;color:var(--text-2);
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.05);}
.nav-link.is-active{color:#fff;}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--accent),var(--brand));
  box-shadow:0 0 12px rgba(61,232,200,.7);
}
.header-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{display:none;}

/* ============ Hero ============ */
.hero{
  position:relative;
  min-height:72vh;
  padding:150px 0 96px;
  display:flex;align-items:center;
  overflow:hidden;
  border-bottom:1px solid var(--line);
}
.hero-bg{
  position:absolute;inset:0;
  background-size:cover;background-position:center;
  transform:scale(1.04);
  filter:saturate(115%);
}
.hero-mask{
  position:absolute;inset:0;
  background:
    linear-gradient(90deg,rgba(5,7,14,.95) 0%,rgba(5,7,14,.72) 46%,rgba(5,7,14,.35) 100%),
    linear-gradient(180deg,rgba(5,7,14,.9) 0%,rgba(5,7,14,.25) 42%,rgba(5,7,14,.96) 100%);
}
.hero-inner{max-width:820px;}
.hero h1{
  font-size:52px;line-height:1.16;font-weight:800;letter-spacing:-.02em;margin:22px 0 0;
  text-shadow:0 12px 40px rgba(0,0,0,.6);
}
.hero-sub{margin-top:20px;font-size:17px;color:var(--text-2);max-width:660px;line-height:1.8;}
.hero-cta{display:flex;gap:14px;margin-top:34px;flex-wrap:wrap;}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;
  margin-top:52px;padding-top:26px;border-top:1px solid var(--line-strong);
  max-width:700px;
}
.stat-num{font-size:26px;font-weight:800;font-variant-numeric:tabular-nums;letter-spacing:-.01em;color:#fff;}
.stat-label{font-size:13px;color:var(--text-3);margin-top:2px;}
.scroll-hint{
  position:absolute;right:44px;bottom:36px;width:1px;height:74px;
  background:linear-gradient(180deg,transparent,rgba(61,232,200,.75),transparent);
  animation:slide 2.4s ease-in-out infinite;
}
@keyframes slide{0%,100%{transform:translateY(0);opacity:.5;}50%{transform:translateY(10px);opacity:1;}}

/* ============ 横滑片库 ============ */
.rail-wrap{position:relative;}
.chips{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:24px;}
.chip{
  height:36px;padding:0 18px;border-radius:var(--pill);
  display:inline-flex;align-items:center;font-size:14px;font-weight:600;color:var(--text-2);
  background:rgba(16,26,46,.55);border:1px solid var(--line-strong);
  transition:all .2s ease;
}
.chip:hover{color:#fff;border-color:rgba(61,232,200,.45);}
.chip.is-active{background:rgba(44,107,255,.2);border-color:rgba(61,232,200,.55);color:#fff;box-shadow:0 0 20px rgba(61,232,200,.18);}
.rail-track{
  display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:4px 2px 12px;scrollbar-width:none;-ms-overflow-style:none;
}
.rail-track::-webkit-scrollbar{display:none;}
.rail-card{
  flex:0 0 300px;scroll-snap-align:start;
  border-radius:16px;overflow:hidden;position:relative;
  background:var(--bg-2);border:1px solid var(--line);
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.rail-card:hover{transform:translateY(-4px);border-color:rgba(61,232,200,.55);box-shadow:0 22px 50px rgba(0,0,0,.6);}
.rail-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;}
.rail-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.rail-card:hover .rail-thumb img{transform:scale(1.06);}
.rail-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(5,7,14,.9) 100%);}
.rail-tag{position:absolute;top:12px;left:12px;z-index:2;}
.rail-meta{position:absolute;left:14px;right:14px;bottom:12px;z-index:2;display:flex;justify-content:space-between;align-items:center;font-size:12px;color:var(--text-2);font-variant-numeric:tabular-nums;}
.rail-body{padding:16px 16px 20px;}
.rail-body h3{font-size:17px;font-weight:700;line-height:1.5;}
.rail-body p{font-size:13.5px;color:var(--text-3);margin-top:6px;}
.rail-nav{
  position:absolute;top:58%;transform:translateY(-50%);
  width:44px;height:44px;border-radius:50%;z-index:5;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(10,17,32,.82);border:1px solid var(--line-strong);color:#fff;
  backdrop-filter:blur(10px);transition:all .2s ease;
}
.rail-nav:hover{border-color:rgba(61,232,200,.6);box-shadow:0 0 22px rgba(61,232,200,.3);}
.rail-prev{left:-18px;}
.rail-next{right:-18px;}

/* ============ 热播 Bento ============ */
.bento{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:200px;gap:20px;}
.bento-item{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--line);background:var(--bg-2);
  transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease;
}
.bento-item img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease;}
.bento-item:hover{border-color:rgba(61,232,200,.55);box-shadow:0 24px 56px rgba(0,0,0,.6);}
.bento-item:hover img{transform:scale(1.05);}
.bento-item::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,7,14,.1) 30%,rgba(5,7,14,.94) 100%);}
.bento-copy{position:absolute;left:22px;right:22px;bottom:20px;z-index:2;}
.bento-copy h3{font-size:20px;font-weight:800;line-height:1.4;}
.bento-copy p{font-size:13.5px;color:var(--text-2);margin-top:6px;}
.bento-main{grid-column:span 2;grid-row:span 2;}
.bento-wide{grid-column:span 2;}
.bento-wide .bento-copy h3{font-size:18px;}
.bento-tagline{position:absolute;top:16px;left:16px;z-index:3;}

/* ============ 左右交替片单 ============ */
.split{display:grid;grid-template-columns:300px 1fr;gap:36px;align-items:start;}
.split.reverse{grid-template-columns:1fr 300px;}
.split.reverse .split-aside{order:2;}
.split-aside h3{font-size:24px;font-weight:800;line-height:1.4;}
.split-aside p{font-size:14.5px;color:var(--text-2);margin-top:12px;}
.split-aside .aside-list{margin-top:22px;border-top:1px solid var(--line);}
.aside-list li{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:13px 0;border-bottom:1px solid var(--line);font-size:14.5px;color:var(--text-2);
}
.aside-list li span:last-child{color:var(--text-3);font-size:13px;font-variant-numeric:tabular-nums;}
.grid-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.poster{
  position:relative;border-radius:16px;overflow:hidden;border:1px solid var(--line);
  background:var(--bg-2);transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease;
}
.poster:hover{transform:translateY(-4px);border-color:rgba(61,232,200,.55);box-shadow:0 22px 50px rgba(0,0,0,.6);}
.poster-thumb{position:relative;aspect-ratio:3/4;overflow:hidden;}
.poster.wide .poster-thumb{aspect-ratio:16/9;}
.poster-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .42s ease;}
.poster:hover .poster-thumb img{transform:scale(1.06);}
.poster-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 45%,rgba(5,7,14,.92) 100%);}
.poster-corner{position:absolute;left:12px;bottom:12px;z-index:2;}
.play-dot{
  position:absolute;right:12px;bottom:12px;z-index:2;width:34px;height:34px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;font-size:12px;
  background:rgba(61,232,200,.16);border:1px solid rgba(61,232,200,.5);color:var(--accent);
  opacity:0;transform:translateY(6px);transition:all .25s ease;
}
.poster:hover .play-dot{opacity:1;transform:translateY(0);}
.poster-copy{padding:16px 16px 18px;}
.poster-copy h4{font-size:16px;font-weight:700;line-height:1.5;}
.poster-copy p{font-size:13px;color:var(--text-3);margin-top:6px;font-variant-numeric:tabular-nums;}

/* ============ 分类入口 ============ */
.cat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.cat-card{
  position:relative;padding:26px 22px 24px;border-radius:var(--radius-lg);overflow:hidden;
  background:var(--glass);backdrop-filter:blur(18px) saturate(140%);
  border:1px solid rgba(255,255,255,.10);box-shadow:var(--shadow-lg);
  transition:transform .26s ease,border-color .26s ease;
}
.cat-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.5),transparent);
}
.cat-card:hover{transform:translateY(-4px);border-color:rgba(61,232,200,.5);}
.cat-icon{
  width:44px;height:44px;border-radius:13px;display:inline-flex;align-items:center;justify-content:center;
  background:rgba(44,107,255,.16);border:1px solid rgba(44,107,255,.32);color:#9FC0FF;font-size:17px;
}
.cat-card h3{font-size:19px;font-weight:800;margin-top:18px;}
.cat-card p{font-size:14px;color:var(--text-2);margin-top:10px;min-height:66px;}
.cat-card .more-link{font-size:13.5px;}

/* ============ 最新信息（CMS 区） ============ */
.news-layout{display:grid;grid-template-columns:1fr 300px;gap:28px;align-items:start;}
.news-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
.news-card{
  display:flex;flex-direction:column;gap:14px;height:100%;
  padding:24px;border-radius:var(--radius-lg);
  background:var(--glass);backdrop-filter:blur(18px) saturate(140%);
  border:1px solid rgba(255,255,255,.10);box-shadow:var(--shadow-lg);
  transition:transform .25s ease,border-color .25s ease;
}
.news-card:hover{transform:translateY(-2px);border-color:rgba(61,232,200,.5);}
.news-card h3{
  font-size:17px;font-weight:700;line-height:1.55;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card .excerpt{
  font-size:14px;color:var(--text-2);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:6px;}
.news-time{font-size:12.5px;color:var(--text-3);font-variant-numeric:tabular-nums;}
.side-panel{
  padding:24px;border-radius:var(--radius-lg);
  background:var(--glass);backdrop-filter:blur(18px) saturate(140%);
  border:1px solid rgba(255,255,255,.10);box-shadow:var(--shadow-lg);
}
.side-panel + .side-panel{margin-top:20px;}
.side-panel h3{font-size:16px;font-weight:800;margin-bottom:16px;}
.tag-cloud{display:flex;flex-wrap:wrap;gap:9px;}
.side-rank li{display:flex;gap:12px;padding:12px 0;border-bottom:1px solid var(--line);font-size:14px;color:var(--text-2);}
.side-rank li:last-child{border-bottom:0;padding-bottom:0;}
.rank-no{font-weight:800;font-variant-numeric:tabular-nums;color:var(--accent);min-width:18px;}
.empty-state{
  border:1.5px dashed rgba(255,255,255,.18);border-radius:var(--radius-lg);
  padding:48px 24px;text-align:center;background:rgba(16,26,46,.35);
}
.empty-state i{font-size:26px;color:var(--text-3);}
.empty-state p{color:var(--text-2);font-size:14.5px;margin:14px 0 18px;}
.skeleton-card{height:172px;border-radius:var(--radius-lg);background:var(--bg-2);position:relative;overflow:hidden;}

/* ============ FAQ ============ */
.faq{display:grid;gap:14px;max-width:920px;}
.faq-item{
  border-radius:var(--radius-lg);overflow:hidden;
  background:var(--glass);backdrop-filter:blur(18px) saturate(140%);
  border:1px solid rgba(255,255,255,.10);transition:border-color .25s ease;
}
.faq-item.is-open{border-color:rgba(61,232,200,.45);}
.faq-q{
  width:100%;min-height:56px;padding:18px 24px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:16px;font-weight:600;text-align:left;color:var(--text);
}
.faq-q .faq-plus{
  width:28px;height:28px;flex:0 0 28px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;font-size:12px;
  background:rgba(61,232,200,.12);border:1px solid rgba(61,232,200,.35);color:var(--accent);
  transition:transform .3s ease;
}
.faq-item.is-open .faq-plus{transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;}
.faq-item.is-open .faq-a{max-height:340px;}
.faq-a p{padding:0 24px 22px;font-size:15px;line-height:1.8;color:var(--text-2);border-top:1px solid var(--line);padding-top:16px;}

/* ============ 订阅 CTA ============ */
.cta-panel{
  position:relative;overflow:hidden;
  border-radius:24px;padding:52px;
  background:linear-gradient(120deg,rgba(44,107,255,.22),rgba(5,7,14,.6) 55%,rgba(61,232,200,.16));
  border:1px solid rgba(255,255,255,.12);
  box-shadow:var(--shadow-lg);
  display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;
}
.cta-panel h2{font-size:28px;font-weight:800;line-height:1.35;}
.cta-panel p{font-size:15px;color:var(--text-2);margin-top:12px;max-width:520px;}
.sub-form{display:flex;gap:12px;flex-wrap:wrap;}
.sub-form input{
  flex:1 1 240px;height:48px;padding:0 18px;border-radius:var(--radius-sm);
  background:#0A1120;border:1px solid rgba(255,255,255,.12);color:var(--text);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.sub-form input::placeholder{color:var(--text-3);}
.sub-form input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(61,232,200,.18);}
.form-note{font-size:13px;color:var(--text-3);margin-top:12px;}
.form-note.is-ok{color:var(--accent);}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:40px;
  background:rgba(4,6,12,.92);
  border-top:1px solid var(--line);
  padding:64px 0 0;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:36px;padding-bottom:48px;}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand p{font-size:14px;color:var(--text-2);max-width:320px;line-height:1.8;}
.footer-col h4{font-size:15px;font-weight:800;margin-bottom:16px;}
.footer-col ul li{margin-bottom:11px;}
.footer-col a{font-size:14px;color:var(--text-2);}
.footer-col a:hover{color:var(--accent);}
.footer-col .mini{font-size:13px;color:var(--text-3);margin-bottom:16px;}
.footer-bottom{
  border-top:1px solid var(--line);padding:22px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}
.footer-bottom a{color:var(--text-3);}
.footer-bottom a:hover{color:var(--accent);}

/* ============ 响应式 ============ */
@media (max-width:1280px){
  :root{--gutter:24px;--section-gap:80px;}
  .hero h1{font-size:46px;}
  .cat-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:1024px){
  .hero{min-height:64vh;padding:132px 0 80px;}
  .hero h1{font-size:40px;}
  .grid-cards{grid-template-columns:repeat(2,1fr);}
  .bento{grid-template-columns:repeat(2,1fr);grid-auto-rows:190px;}
  .bento-main{grid-column:span 2;grid-row:span 2;}
  .bento-wide{grid-column:span 2;}
  .cta-panel{grid-template-columns:1fr;gap:28px;padding:42px 34px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .rail-prev{left:-8px;}
  .rail-next{right:-8px;}
}
@media (max-width:900px){
  .nav-toggle{display:inline-flex;}
  .main-nav{
    position:fixed;top:64px;left:0;right:0;bottom:0;
    flex-direction:column;align-items:stretch;gap:0;
    background:rgba(5,7,14,.97);
    backdrop-filter:blur(22px);
    padding:18px 24px 40px;
    transform:translateX(100%);
    transition:transform .3s ease;
    overflow-y:auto;z-index:99;
  }
  body.nav-open .main-nav{transform:translateX(0);}
  .nav-link{padding:0 6px;height:56px;display:flex;align-items:center;font-size:17px;border-bottom:1px solid var(--line);border-radius:0;}
  .nav-link.is-active::after{display:none;}
  .nav-link.is-active{color:var(--accent);}
  .header-actions .btn-primary{display:none;}
  .split,.split.reverse{grid-template-columns:1fr;}
  .split.reverse .split-aside{order:0;}
  .news-layout{grid-template-columns:1fr;}
  .news-list{grid-template-columns:repeat(2,minmax(0,1fr));}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:22px;}
  .scroll-hint{display:none;}
}
@media (max-width:768px){
  :root{--section-gap:64px;--gutter:20px;}
  .hero{padding:118px 0 68px;}
  .hero h1{font-size:34px;}
  .hero-sub{font-size:15.5px;}
  .section-head h2{font-size:25px;}
  .bento{grid-template-columns:1fr;grid-auto-rows:220px;}
  .bento-main,.bento-wide{grid-column:span 1;grid-row:span 1;}
  .cat-grid,.grid-cards,.news-list{grid-template-columns:1fr;}
  .rail-card{flex:0 0 260px;}
  .rail-nav{display:none;}
  .cta-panel{padding:34px 24px;}
  .faq-q{font-size:15px;padding:16px 18px;}
  .faq-a p{padding:14px 18px 20px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
}
@media (max-width:640px){
  .hero h1{font-size:30px;}
  .hero-cta .btn{width:100%;}
  .sub-form input,.sub-form .btn{width:100%;flex:1 1 100%;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:480px){
  :root{--section-gap:48px;--gutter:16px;}
  .logo{font-size:17px;}
  .stat-num{font-size:22px;}
  .poster-thumb{aspect-ratio:3/2;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
}

/* roulang page: article */
:root{
  --bg-0:#05070E;--bg-1:#0A1120;--bg-2:#101A2E;
  --line:rgba(255,255,255,.08);--line-strong:rgba(255,255,255,.16);
  --brand:#2C6BFF;--brand-deep:#0E4BD8;
  --accent:#3DE8C8;--hot:#FF6A3D;
  --text:#EAF0FA;--text-2:#9DAEC6;--text-3:#6B7C96;
  --r-lg:18px;--r-md:16px;--r-sm:12px;--r-pill:999px;
  --shadow-1:0 20px 60px rgba(0,0,0,.45);
  --shadow-2:0 12px 32px rgba(44,107,255,.35);
  --glass:rgba(16,26,46,.55);
  --container:1280px;
  --font:"HarmonyOS Sans SC","PingFang SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;font-family:var(--font);font-size:16px;line-height:1.75;color:var(--text);
  background-color:#05070E;
  background-image:
    radial-gradient(900px 620px at 8% -6%, rgba(44,107,255,.18), transparent 62%),
    radial-gradient(820px 620px at 102% 104%, rgba(61,232,200,.12), transparent 62%),
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size:auto,auto,56px 56px,56px 56px;
  background-repeat:no-repeat,no-repeat,repeat,repeat;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,select{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:0}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em;line-height:1.28}
p{margin:0}
ul,ol{margin:0;padding:0}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}
::selection{background:rgba(61,232,200,.3);color:#fff}
.num{font-family:var(--mono);font-variant-numeric:tabular-nums}

/* ---------- 容器 ---------- */
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}
.section{padding:88px 0}
.section-tight{padding:56px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:34px;flex-wrap:wrap}
.section-head h2{font-size:30px}
.section-head .sub{color:var(--text-2);font-size:15px;margin-top:8px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);font-weight:700}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--accent),transparent)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;white-space:nowrap;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
}
.btn:active{transform:translateY(1px) scale(.99)}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none}
.btn-primary{
  color:#04101F;
  background:linear-gradient(135deg,var(--brand) 0%,var(--accent) 135%);
  box-shadow:0 0 0 1px rgba(61,232,200,.35),var(--shadow-2);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(61,232,200,.6),0 18px 42px rgba(44,107,255,.5)}
.btn-glass{
  color:var(--text);background:var(--glass);border:1px solid var(--line-strong);
  backdrop-filter:blur(16px) saturate(140%);-webkit-backdrop-filter:blur(16px) saturate(140%);
}
.btn-glass:hover{border-color:rgba(61,232,200,.55);color:#fff;transform:translateY(-2px)}
.btn-ghost{color:var(--accent);border:1px solid rgba(61,232,200,.45);background:transparent}
.btn-ghost:hover{background:rgba(61,232,200,.1);transform:translateY(-2px)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.icon-btn{
  width:40px;height:40px;border-radius:50%;display:inline-grid;place-items:center;
  background:var(--glass);border:1px solid var(--line-strong);color:var(--text-2);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  transition:color .2s,border-color .2s,box-shadow .2s,transform .2s;
}
.icon-btn:hover{color:var(--accent);border-color:rgba(61,232,200,.5);box-shadow:0 0 18px rgba(61,232,200,.25);transform:translateY(-1px)}
.icon-btn:active{transform:translateY(0)}

/* ---------- 徽章 / 标签 ---------- */
.badge{display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:var(--r-pill);font-size:12px;font-weight:700;letter-spacing:.02em}
.badge-brand{background:rgba(44,107,255,.18);color:#9EC2FF;border:1px solid rgba(44,107,255,.4)}
.badge-hot{background:rgba(255,106,61,.16);color:#FFB79C;border:1px solid rgba(255,106,61,.45)}
.badge-soft{background:rgba(255,255,255,.06);color:var(--text-2);border:1px solid var(--line)}
.tag{display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:var(--r-pill);font-size:13px;color:var(--text-2);background:rgba(255,255,255,.04);border:1px solid var(--line);transition:.2s}
.tag:hover{color:var(--accent);border-color:rgba(61,232,200,.45);background:rgba(61,232,200,.08)}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;height:72px;display:flex;align-items:center;
  background:rgba(5,7,14,.35);
  backdrop-filter:blur(20px) saturate(140%);-webkit-backdrop-filter:blur(20px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.10);
  box-shadow:0 10px 30px rgba(0,0,0,.25);
  transition:height .3s ease,background .3s ease,box-shadow .3s ease;
}
.site-header.is-scrolled{height:64px;background:rgba(5,7,14,.92);box-shadow:0 16px 44px rgba(0,0,0,.55)}
.header-inner{display:flex;align-items:center;gap:28px;width:100%}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:34px;height:34px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--brand),var(--accent));color:#04101F;font-size:15px;
  box-shadow:0 0 0 1px rgba(61,232,200,.35),0 8px 24px rgba(44,107,255,.4);
}
.logo-text{font-size:19px;font-weight:800;letter-spacing:-.01em}
.main-nav{display:flex;align-items:center;gap:28px}
.nav-link{position:relative;padding:8px 2px;font-size:14.5px;color:var(--text-2);transition:color .2s}
.nav-link:hover{color:var(--text)}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:-2px;width:0;height:2px;border-radius:2px;
  background:var(--accent);transform:translateX(-50%);transition:width .26s ease;
  box-shadow:0 0 12px rgba(61,232,200,.85);
}
.nav-link:hover::after,.nav-link.is-active::after{width:80%}
.nav-link.is-active{color:var(--text);font-weight:700}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.nav-toggle{display:none}

/* ---------- 文章横幅 ---------- */
.article-hero{
  position:relative;padding:158px 0 72px;
  background-image:linear-gradient(180deg,rgba(5,7,14,.62) 0%,rgba(5,7,14,.90) 62%,rgba(5,7,14,1) 100%),url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center 30%;
  border-bottom:1px solid var(--line);
}
.article-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(700px 380px at 12% 20%,rgba(44,107,255,.22),transparent 70%);
}
.article-hero .container{position:relative;z-index:1}
.breadcrumb{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-3);flex-wrap:wrap;margin-bottom:22px}
.breadcrumb a{color:var(--text-2);transition:color .2s}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb .sep{color:var(--text-3)}
.breadcrumb .current{color:var(--text-3);max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.hero-badges{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:18px}
.article-title{font-size:46px;line-height:1.24;max-width:920px;font-weight:800}
.meta-row{display:flex;align-items:center;gap:20px;flex-wrap:wrap;margin-top:26px;font-size:13.5px;color:var(--text-2)}
.meta-item{display:inline-flex;align-items:center;gap:8px}
.meta-item i{color:var(--accent);font-size:13px}

/* ---------- 正文 ---------- */
.article-shell{padding:72px 0 0}
.article-main{max-width:760px;margin:0 auto}
.article-body{font-size:16.5px;line-height:1.9;color:#DCE5F2}
.article-body>*:first-child{margin-top:0}
.article-body p{margin:0 0 1.4em}
.article-body h2{
  position:relative;font-size:28px;margin:2.2em 0 .8em;padding-left:16px;color:var(--text);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.16em;width:3px;height:1em;border-radius:3px;
  background:linear-gradient(180deg,var(--accent),var(--brand));box-shadow:0 0 14px rgba(61,232,200,.6);
}
.article-body h3{font-size:21px;margin:1.9em 0 .6em;color:var(--text)}
.article-body h4{font-size:17px;margin:1.6em 0 .5em;color:var(--text)}
.article-body a{color:var(--accent);border-bottom:1px solid rgba(61,232,200,.35);transition:.2s}
.article-body a:hover{color:#fff;border-color:#fff}
.article-body strong{color:#fff;font-weight:700}
.article-body ul,.article-body ol{margin:0 0 1.5em;padding:0}
.article-body li{position:relative;padding-left:22px;margin-bottom:.7em;color:#D3DEEE}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.75em;width:6px;height:6px;border-radius:50%;
  background:var(--accent);box-shadow:0 0 10px rgba(61,232,200,.7);
}
.article-body ol{counter-reset:item}
.article-body ol li{counter-increment:item}
.article-body ol li::before{
  content:counter(item);position:absolute;left:0;top:.15em;font-family:var(--mono);font-size:13px;
  color:var(--accent);font-weight:700;
}
.article-body blockquote{
  margin:1.8em 0;padding:20px 24px;border-left:3px solid var(--accent);
  background:rgba(61,232,200,.06);border-radius:0 var(--r-sm) var(--r-sm) 0;color:var(--text-2);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img,.article-body figure img{border-radius:14px;margin:28px auto;width:100%}
.article-body figure{margin:28px 0}
.article-body figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:10px}
.article-body hr{border:0;border-top:1px solid var(--line);margin:44px 0}
.article-body table{width:100%;border-collapse:collapse;margin:28px 0;font-size:15px;background:var(--bg-1);border-radius:var(--r-sm);overflow:hidden;border:1px solid var(--line)}
.article-body th,.article-body td{padding:14px 16px;text-align:left;border-bottom:1px solid var(--line)}
.article-body th{background:rgba(44,107,255,.14);color:var(--text);font-size:13.5px;letter-spacing:.02em}
.article-body tr:last-child td{border-bottom:0}
.article-body code{font-family:var(--mono);font-size:14px;background:rgba(255,255,255,.07);padding:2px 7px;border-radius:6px;color:var(--accent)}

.article-foot{margin-top:52px;padding-top:28px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.tag-row{display:flex;gap:10px;flex-wrap:wrap}
.share-row{display:flex;align-items:center;gap:10px}
.share-label{font-size:13px;color:var(--text-3);margin-right:2px}

.empty-state{
  border:1.5px dashed rgba(255,255,255,.18);border-radius:var(--r-lg);
  padding:64px 28px;text-align:center;background:rgba(16,26,46,.35);
}
.empty-icon{width:60px;height:60px;margin:0 auto 18px;border-radius:50%;display:grid;place-items:center;background:rgba(44,107,255,.16);color:var(--accent);font-size:22px}
.empty-state p{color:var(--text-2);margin-bottom:22px}

/* ---------- 上下篇 ---------- */
.pn-section{padding:64px 0 0}
.pn-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.pn-card{
  display:block;padding:24px;border-radius:var(--r-lg);
  background:var(--glass);border:1px solid var(--line);
  backdrop-filter:blur(18px) saturate(140%);-webkit-backdrop-filter:blur(18px) saturate(140%);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.pn-card:hover{transform:translateY(-3px);border-color:rgba(61,232,200,.45);box-shadow:var(--shadow-1)}
.pn-label{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;color:var(--text-3);letter-spacing:.06em;margin-bottom:12px}
.pn-next{text-align:right}
.pn-next .pn-label{flex-direction:row-reverse}
.pn-title{display:block;font-size:17.5px;font-weight:700;color:var(--text);line-height:1.5}
.pn-card:hover .pn-title{color:var(--accent)}

/* ---------- 相关推荐 ---------- */
.rel-section{padding:72px 0 0}
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{
  display:flex;flex-direction:column;border-radius:var(--r-lg);overflow:hidden;
  background:var(--glass);border:1px solid var(--line);
  backdrop-filter:blur(18px) saturate(140%);-webkit-backdrop-filter:blur(18px) saturate(140%);
  transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease;
}
.card:hover{transform:translateY(-4px);border-color:rgba(61,232,200,.45);box-shadow:var(--shadow-1)}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-2)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.card:hover .card-media img{transform:scale(1.06)}
.card-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(5,7,14,.85) 100%)}
.card-badge{position:absolute;left:14px;top:14px;z-index:2}
.card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-title{font-size:17px;font-weight:700;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-desc{font-size:14px;line-height:1.7;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--text-3);padding-top:6px}

/* ---------- 订阅面板 ---------- */
.cta-panel{padding:88px 0}
.cta-inner{
  display:flex;align-items:center;gap:40px;flex-wrap:wrap;justify-content:space-between;
  padding:44px;border-radius:24px;
  background:linear-gradient(120deg,rgba(44,107,255,.18),rgba(61,232,200,.10) 70%,rgba(16,26,46,.4));
  border:1px solid rgba(255,255,255,.12);
  box-shadow:var(--shadow-1);
  backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
}
.cta-copy{max-width:520px}
.cta-copy h2{font-size:30px;margin-bottom:12px}
.cta-copy p{color:var(--text-2);font-size:15.5px}
.cta-form{display:flex;gap:12px;flex-wrap:wrap}
.field{
  height:48px;min-width:280px;padding:0 18px;border-radius:var(--r-sm);
  background:#0A1120;border:1px solid rgba(255,255,255,.12);color:var(--text);
  transition:border-color .2s,box-shadow .2s;
}
.field::placeholder{color:var(--text-3)}
.field:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(61,232,200,.18)}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:40px;border-top:1px solid var(--line);background:rgba(4,6,12,.9);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px;padding-bottom:48px}
.footer-brand p{color:var(--text-2);font-size:14.5px;margin-top:18px;max-width:340px}
.footer-col h4{font-size:15px;margin-bottom:18px;color:var(--text)}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col a{color:var(--text-2);font-size:14px;transition:color .2s,padding-left .2s}
.footer-col a:hover{color:var(--accent);padding-left:4px}
.footer-col .mini{font-size:13.5px;color:var(--text-3);margin-bottom:14px}
.sub-form{display:flex;gap:10px}
.sub-form input{
  flex:1;height:44px;min-width:0;padding:0 14px;border-radius:var(--r-sm);
  background:#0A1120;border:1px solid rgba(255,255,255,.12);color:var(--text);font-size:14px;
}
.sub-form input::placeholder{color:var(--text-3)}
.sub-form input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(61,232,200,.18)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:22px 0;border-top:1px solid var(--line);font-size:13px;color:var(--text-3);
}
.footer-bottom a{color:var(--text-2)}
.footer-bottom a:hover{color:var(--accent)}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .container{padding:0 24px}
  .section{padding:72px 0}
  .article-title{font-size:38px}
  .rel-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
  .nav-link{font-size:14px}
  .main-nav{gap:22px}
}
@media (max-width:900px){
  .nav-toggle{display:inline-grid}
  .main-nav{
    position:fixed;top:0;left:0;right:0;height:100vh;flex-direction:column;align-items:stretch;gap:0;
    padding:96px 24px 32px;background:rgba(5,7,14,.97);
    backdrop-filter:blur(22px);-webkit-backdrop-filter:blur(22px);
    opacity:0;visibility:hidden;transform:translateY(-14px);transition:opacity .28s ease,transform .28s ease,visibility .28s;
  }
  .main-nav.is-open{opacity:1;visibility:visible;transform:none}
  .nav-link{height:56px;display:flex;align-items:center;font-size:17px;border-bottom:1px solid var(--line)}
  .nav-link::after{display:none}
  .nav-link.is-active{color:var(--accent)}
  .header-actions .btn-sm{display:none}
  .article-hero{padding:130px 0 56px}
  .article-title{font-size:33px}
  .cta-inner{padding:32px}
  .cta-copy h2{font-size:25px}
}
@media (max-width:768px){
  .container{padding:0 20px}
  .section{padding:60px 0}
  .article-shell{padding:52px 0 0}
  .article-body{font-size:16px;line-height:1.85}
  .article-body h2{font-size:24px}
  .article-body h3{font-size:19px}
  .article-title{font-size:30px}
  .rel-grid{grid-template-columns:1fr}
  .pn-grid{grid-template-columns:1fr}
  .pn-next{text-align:left}
  .pn-next .pn-label{flex-direction:row}
  .breadcrumb .current{max-width:100%;white-space:normal}
  .cta-form{width:100%}
  .field{min-width:100%;width:100%}
  .cta-form .btn{width:100%}
}
@media (max-width:640px){
  .section{padding:52px 0}
  .article-title{font-size:27px}
  .meta-row{gap:14px;margin-top:20px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .article-foot{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .section{padding:48px 0}
  .logo-text{font-size:17px}
  .article-title{font-size:25px}
  .article-hero{padding:116px 0 44px}
  .cta-inner{padding:24px;border-radius:20px}
  .icon-btn{width:38px;height:38px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}

/* roulang page: category1 */
:root{
  --bg-0:#05070E;
  --bg-1:#0A1120;
  --bg-2:#101A2E;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.14);
  --brand:#2C6BFF;
  --brand-deep:#0E4BD8;
  --accent:#3DE8C8;
  --hot:#FF6A3D;
  --text:#EAF0FA;
  --text-2:#9DAEC6;
  --text-3:#6B7C96;
  --radius:18px;
  --radius-sm:12px;
  --radius-pill:999px;
  --shadow-card:0 20px 60px rgba(0,0,0,.45);
  --shadow-btn:0 0 0 1px rgba(61,232,200,.35),0 12px 32px rgba(44,107,255,.35);
  --gap:24px;
  --section:88px;
  --font:"HarmonyOS Sans SC","PingFang SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background-color:var(--bg-0);
  background-image:
    radial-gradient(680px 420px at 6% 4%,rgba(44,107,255,.18),transparent 62%),
    radial-gradient(620px 480px at 96% 82%,rgba(61,232,200,.13),transparent 64%);
  background-attachment:fixed;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:64px 64px;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none;transition:color .22s ease,opacity .22s ease}
a:hover{color:var(--accent)}
button,input,textarea,select{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em;line-height:1.25}
p{margin:0}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 32px;position:relative;z-index:1}
.section{padding:var(--section) 0}
.section-tight{padding:56px 0}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

/* ---------- header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:90;
  background:rgba(5,7,14,.35);
  -webkit-backdrop-filter:blur(20px) saturate(150%);
  backdrop-filter:blur(20px) saturate(150%);
  border-bottom:1px solid rgba(255,255,255,.10);
  box-shadow:0 12px 40px rgba(0,0,0,.35);
  transition:background .3s ease,box-shadow .3s ease,height .3s ease;
}
.site-header.is-scrolled{background:rgba(5,7,14,.92);box-shadow:0 18px 50px rgba(0,0,0,.6)}
.header-inner{display:flex;align-items:center;gap:28px;height:72px;transition:height .3s ease}
.site-header.is-scrolled .header-inner{height:64px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:34px;height:34px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--brand),var(--accent));
  color:#04121A;font-size:15px;
  box-shadow:0 8px 22px rgba(44,107,255,.45),inset 0 0 0 1px rgba(255,255,255,.25);
}
.logo-text{font-size:18px;font-weight:800;letter-spacing:-.01em;color:var(--text)}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:12px}
.nav-link{
  position:relative;padding:10px 14px;border-radius:var(--radius-pill);
  font-size:15px;color:var(--text-2);font-weight:500;
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.05)}
.nav-link.is-active{color:var(--text);font-weight:700}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--accent),var(--brand));
  box-shadow:0 0 12px rgba(61,232,200,.7);
}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.icon-btn{
  width:40px;height:40px;border-radius:50%;display:grid;place-items:center;
  background:rgba(16,26,46,.6);border:1px solid var(--line-strong);color:var(--text-2);
  transition:all .22s ease;
}
.icon-btn:hover{color:var(--accent);border-color:rgba(61,232,200,.5);box-shadow:0 0 18px rgba(61,232,200,.28)}
.icon-btn:active{transform:translateY(1px);box-shadow:inset 0 0 12px rgba(0,0,0,.5)}
.nav-toggle{display:none}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:0 24px;height:48px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:700;letter-spacing:.01em;
  transition:transform .2s ease,box-shadow .25s ease,background .25s ease,color .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-primary{
  background:linear-gradient(135deg,var(--brand),var(--accent));
  color:#04121A;box-shadow:var(--shadow-btn);
}
.btn-primary:hover{transform:translateY(-2px);color:#04121A;box-shadow:0 0 0 1px rgba(61,232,200,.55),0 18px 42px rgba(44,107,255,.5)}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 3px 12px rgba(0,0,0,.35)}
.btn-glass{
  background:rgba(16,26,46,.55);border:1px solid var(--line-strong);color:var(--text);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
}
.btn-glass:hover{border-color:rgba(61,232,200,.55);color:var(--text);transform:translateY(-2px);box-shadow:0 14px 32px rgba(0,0,0,.4)}
.btn-glass:active{transform:translateY(0);box-shadow:inset 0 2px 10px rgba(0,0,0,.5)}
.btn-ghost{background:transparent;border:1px solid rgba(61,232,200,.55);color:var(--accent)}
.btn-ghost:hover{background:rgba(61,232,200,.12);box-shadow:0 0 24px rgba(61,232,200,.25);color:var(--accent)}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none!important;box-shadow:none}

/* ---------- badges / chips ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--radius-pill);
  font-size:12px;font-weight:600;line-height:1.6;
}
.badge-cat{background:rgba(44,107,255,.16);color:#9FC0FF;border:1px solid rgba(44,107,255,.35)}
.badge-live{background:rgba(255,106,61,.14);color:#FFB79C;border:1px solid rgba(255,106,61,.45)}
.badge-live .dot{width:6px;height:6px;border-radius:50%;background:var(--hot);box-shadow:0 0 10px var(--hot);animation:pulse 1.8s infinite}
.badge-soft{background:rgba(255,255,255,.06);color:var(--text-2);border:1px solid var(--line)}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}

.chips{display:flex;flex-wrap:wrap;gap:10px}
.chip{
  padding:8px 18px;border-radius:var(--radius-pill);
  background:rgba(16,26,46,.6);border:1px solid var(--line-strong);
  font-size:13.5px;color:var(--text-2);transition:all .22s ease;
}
.chip:hover{color:var(--text);border-color:rgba(61,232,200,.45)}
.chip.is-on{background:linear-gradient(135deg,rgba(44,107,255,.3),rgba(61,232,200,.22));color:var(--text);border-color:rgba(61,232,200,.55);box-shadow:0 0 20px rgba(61,232,200,.18)}

/* ---------- hero banner ---------- */
.hero-banner{
  position:relative;margin-top:72px;min-height:416px;
  display:flex;align-items:flex-end;
  background-image:url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;
  overflow:hidden;
}
.hero-banner::after{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(90deg,rgba(5,7,14,.95) 0%,rgba(5,7,14,.72) 46%,rgba(5,7,14,.42) 100%),
    linear-gradient(180deg,rgba(5,7,14,.9) 0%,rgba(5,7,14,.25) 40%,rgba(5,7,14,.95) 100%);
}
.hero-banner .container{position:relative;z-index:2;padding-top:110px;padding-bottom:48px}
.hero-banner h1{font-size:48px;max-width:820px;margin:18px 0 14px}
.hero-banner h1 em{font-style:normal;background:linear-gradient(120deg,var(--accent),#8FB8FF);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{max-width:660px;color:var(--text-2);font-size:16px}
.hero-banner .chips{margin-top:26px}
.hero-meta{display:flex;flex-wrap:wrap;gap:26px;margin-top:26px}
.hero-meta .stat strong{display:block;font-size:22px;font-weight:800;color:var(--text)}
.hero-meta .stat span{font-size:12.5px;color:var(--text-3)}

/* ---------- breadcrumb ---------- */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);padding-top:22px}
.crumb a{color:var(--text-2)}
.crumb .sep{opacity:.55}
.crumb .now{color:var(--text-3)}

/* ---------- layout with sticky toc ---------- */
.layout{display:grid;grid-template-columns:236px 1fr;gap:32px;align-items:start}
.toc{
  position:sticky;top:100px;
  background:rgba(16,26,46,.55);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  backdrop-filter:blur(18px) saturate(140%);
  border:1px solid rgba(255,255,255,.10);
  border-radius:var(--radius);
  box-shadow:var(--shadow-card);
  padding:22px 20px;
  position:relative;
}
.toc::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.5),transparent);
}
.toc h3{font-size:14px;color:var(--text-3);font-weight:700;letter-spacing:.08em;margin-bottom:14px}
.toc ul li+li{margin-top:4px}
.toc a{
  display:flex;align-items:center;gap:10px;
  padding:9px 12px;border-radius:10px;font-size:14px;color:var(--text-2);
}
.toc a::before{content:"";width:4px;height:4px;border-radius:50%;background:var(--text-3);transition:all .2s ease}
.toc a:hover{background:rgba(255,255,255,.05);color:var(--text)}
.toc a:hover::before{background:var(--accent);box-shadow:0 0 10px var(--accent)}
.toc a.is-on{background:linear-gradient(90deg,rgba(44,107,255,.22),rgba(61,232,200,.10));color:var(--text);font-weight:700}
.toc a.is-on::before{background:var(--accent);box-shadow:0 0 10px var(--accent)}

/* ---------- section heads ---------- */
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:28px}
.sec-head h2{font-size:30px}
.sec-head p{color:var(--text-2);font-size:14.5px;margin-top:8px;max-width:620px}
.link-more{font-size:14px;color:var(--accent);display:inline-flex;align-items:center;gap:6px;font-weight:600}
.link-more:hover{gap:10px}

/* ---------- match cards grid ---------- */
.match-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--gap)}
.match-card{
  position:relative;display:flex;flex-direction:column;overflow:hidden;
  background:rgba(16,26,46,.55);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  backdrop-filter:blur(18px) saturate(140%);
  border:1px solid rgba(255,255,255,.10);
  border-radius:var(--radius);
  box-shadow:var(--shadow-card);
  transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease;
}
.match-card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;z-index:3;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.55),transparent);
}
.match-card:hover{transform:translateY(-4px);border-color:rgba(61,232,200,.45);box-shadow:0 26px 70px rgba(0,0,0,.55),0 0 0 1px rgba(61,232,200,.18)}
.match-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-2)}
.match-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.match-card:hover .match-media img{transform:scale(1.06)}
.match-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,7,14,.15) 0%,rgba(5,7,14,.05) 45%,rgba(10,17,32,.92) 100%);
}
.match-tags{position:absolute;top:14px;left:14px;display:flex;gap:8px;z-index:2}
.match-play{
  position:absolute;right:14px;bottom:14px;z-index:2;
  width:44px;height:44px;border-radius:50%;display:grid;place-items:center;
  background:rgba(5,7,14,.6);border:1px solid rgba(61,232,200,.45);color:var(--accent);
  opacity:0;transform:translateY(8px);transition:all .28s ease;
}
.match-card:hover .match-play{opacity:1;transform:translateY(0);box-shadow:0 0 22px rgba(61,232,200,.35)}
.match-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:12px;flex:1}
.match-body h3{font-size:19px;line-height:1.4}
.match-body .desc{font-size:14px;color:var(--text-2);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.match-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:14px;border-top:1px solid var(--line)}
.match-foot .time{font-size:13px;color:var(--text-3)}

/* ---------- flow ---------- */
.flow{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:var(--gap)}
.flow-item{
  position:relative;padding:26px 22px;border-radius:var(--radius);
  background:rgba(16,26,46,.5);border:1px solid var(--line);
  transition:border-color .25s ease,transform .25s ease;
}
.flow-item:hover{border-color:rgba(61,232,200,.4);transform:translateY(-3px)}
.flow-item .idx{
  font-size:13px;font-weight:800;color:var(--accent);letter-spacing:.14em;
  font-variant-numeric:tabular-nums;
}
.flow-item h3{font-size:17px;margin:12px 0 8px}
.flow-item p{font-size:14px;color:var(--text-2);line-height:1.75}

/* ---------- data strip ---------- */
.data-strip{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;
  background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
}
.data-cell{background:rgba(10,17,32,.85);padding:28px 24px;transition:background .25s ease}
.data-cell:hover{background:rgba(16,26,46,.95)}
.data-cell strong{display:block;font-size:32px;font-weight:800;letter-spacing:-.02em;background:linear-gradient(120deg,#EAF0FA,#9FC0FF 60%,var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent}
.data-cell span{display:block;font-size:13px;color:var(--text-3);margin-top:6px}

/* ---------- faq ---------- */
.faq{border:1px solid rgba(255,255,255,.10);border-radius:var(--radius);overflow:hidden;background:rgba(16,26,46,.5);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}
.faq-item+.faq-item{border-top:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:56px;padding:16px 24px;text-align:left;font-size:16px;font-weight:600;color:var(--text);
  transition:background .22s ease,color .22s ease;
}
.faq-q:hover{background:rgba(255,255,255,.04);color:var(--accent)}
.faq-q i{color:var(--text-3);transition:transform .3s ease,color .3s ease;flex:0 0 auto}
.faq-item.is-open .faq-q i{transform:rotate(180deg);color:var(--accent)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-a p{padding:0 24px 22px;font-size:15px;line-height:1.8;color:var(--text-2)}

/* ---------- cta ---------- */
.cta-panel{
  display:grid;grid-template-columns:1.1fr .9fr;gap:32px;align-items:center;
  padding:40px 44px;border-radius:var(--radius);
  background:linear-gradient(135deg,rgba(44,107,255,.18),rgba(61,232,200,.10)),rgba(16,26,46,.72);
  -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
  border:1px solid rgba(61,232,200,.28);
  box-shadow:var(--shadow-card);
}
.cta-panel h2{font-size:28px;margin-bottom:10px}
.cta-panel p{color:var(--text-2);font-size:15px}
.cta-form{display:flex;gap:12px;flex-wrap:wrap}
.field{flex:1 1 240px;min-width:0}
.field input{
  width:100%;height:48px;padding:0 16px;border-radius:var(--radius-sm);
  background:var(--bg-1);border:1px solid rgba(255,255,255,.12);color:var(--text);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field input::placeholder{color:var(--text-3)}
.field input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(61,232,200,.18)}
.field.has-error input{border-color:var(--hot)}
.field .err{display:none;font-size:12.5px;color:#FFB79C;margin-top:6px}
.field.has-error .err{display:block}
.form-note{font-size:12.5px;color:var(--text-3);margin-top:12px}

/* ---------- cross recommend ---------- */
.rec-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:var(--gap)}
.rec-card{
  display:flex;flex-direction:column;overflow:hidden;border-radius:var(--radius);
  background:rgba(16,26,46,.55);border:1px solid var(--line);
  transition:transform .26s ease,border-color .26s ease,box-shadow .26s ease;
}
.rec-card:hover{transform:translateY(-4px);border-color:rgba(61,232,200,.4);box-shadow:0 22px 55px rgba(0,0,0,.5)}
.rec-card img{width:100%;aspect-ratio:16/9;object-fit:cover}
.rec-body{padding:18px 20px 20px}
.rec-body h3{font-size:16.5px;margin-bottom:8px}
.rec-body p{font-size:13.5px;color:var(--text-2);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* ---------- footer ---------- */
.site-footer{
  margin-top:var(--section);border-top:1px solid var(--line);
  background:linear-gradient(180deg,#04060C,#05070E);
  padding:64px 0 28px;
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px}
.footer-brand p{color:var(--text-2);font-size:14px;margin-top:16px;max-width:340px}
.footer-col h4{font-size:15px;margin-bottom:16px;color:var(--text)}
.footer-col ul li+li{margin-top:10px}
.footer-col a{font-size:14px;color:var(--text-2)}
.footer-col a:hover{color:var(--accent)}
.footer-col .mini{font-size:13.5px;color:var(--text-2);margin-bottom:14px}
.sub-form{display:flex;gap:10px}
.sub-form input{
  flex:1;min-width:0;height:40px;padding:0 14px;border-radius:var(--radius-sm);
  background:var(--bg-1);border:1px solid rgba(255,255,255,.12);color:var(--text);font-size:14px;
}
.sub-form input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(61,232,200,.18)}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:48px;padding-top:22px;border-top:1px solid var(--line);
  font-size:13px;color:var(--text-3);
}
.footer-bottom a{color:var(--text-2)}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .7s ease,transform .7s ease}
.reveal.is-in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (max-width:1180px){
  .main-nav{margin-left:0}
  .nav-link{padding:10px 10px;font-size:14.5px}
}
@media (max-width:1024px){
  .container{padding:0 24px}
  .layout{grid-template-columns:1fr}
  .toc{position:static;top:auto}
  .hero-banner h1{font-size:40px}
  .flow{grid-template-columns:repeat(2,minmax(0,1fr))}
  .data-strip{grid-template-columns:repeat(2,minmax(0,1fr))}
  .rec-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-panel{grid-template-columns:1fr;padding:34px 30px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:900px){
  .main-nav{
    position:fixed;inset:60px 0 0;z-index:89;
    flex-direction:column;align-items:stretch;gap:0;
    padding:16px 20px 96px;
    background:rgba(5,7,14,.94);
    -webkit-backdrop-filter:blur(22px);backdrop-filter:blur(22px);
    border-top:1px solid var(--line);
    transform:translateX(-100%);opacity:0;pointer-events:none;
    transition:transform .32s ease,opacity .28s ease;
    overflow-y:auto;
  }
  .main-nav.is-open{transform:translateX(0);opacity:1;pointer-events:auto}
  .nav-link{min-height:56px;display:flex;align-items:center;border-radius:var(--radius-sm);font-size:16px;padding:0 14px}
  .nav-link.is-active{background:rgba(44,107,255,.16)}
  .nav-link.is-active::after{display:none}
  .nav-toggle{display:grid}
  .header-inner{height:60px;gap:14px}
  .site-header.is-scrolled .header-inner{height:56px}
  .hero-banner{margin-top:60px;min-height:380px}
  .hero-banner .container{padding-top:96px}
  .hero-banner h1{font-size:34px}
  .match-grid{grid-template-columns:1fr}
}
@media (max-width:640px){
  :root{--section:56px;--gap:16px}
  .container{padding:0 16px}
  .hero-banner h1{font-size:30px}
  .hero-banner .chips{margin-top:20px}
  .hero-meta{gap:18px}
  .sec-head h2{font-size:24px}
  .btn{width:100%;height:48px}
  .btn.btn-sm{width:auto;height:40px}
  .header-actions .btn-primary{display:none}
  .data-strip{grid-template-columns:1fr}
  .flow{grid-template-columns:1fr}
  .rec-grid{grid-template-columns:1fr}
  .match-media{aspect-ratio:3/2}
  .footer-grid{grid-template-columns:1fr}
  .footer-col{border-top:1px solid var(--line);padding-top:20px}
  .footer-brand{border-top:0;padding-top:0}
  .sub-form{flex-direction:column}
  .sub-form .btn{width:100%}
  .cta-panel{padding:26px 20px}
  .footer-bottom{flex-direction:column}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category3 */
:root{
  --bg-0:#05070E;
  --bg-1:#0A1120;
  --bg-2:#101A2E;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.14);
  --brand:#2C6BFF;
  --brand-deep:#0E4BD8;
  --accent:#3DE8C8;
  --hot:#FF6A3D;
  --text:#EAF0FA;
  --text-2:#9DAEC6;
  --text-3:#6B7C96;
  --glass:rgba(16,26,46,.55);
  --radius-lg:18px;
  --radius-md:14px;
  --radius-sm:12px;
  --shadow-card:0 20px 60px rgba(0,0,0,.45);
  --shadow-soft:0 12px 32px rgba(0,0,0,.35);
  --font-cn:"HarmonyOS Sans SC","PingFang SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --space-section:88px;
  --container:1280px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background:
    radial-gradient(680px 420px at 8% -6%,rgba(44,107,255,.17),transparent 62%),
    radial-gradient(620px 420px at 100% 108%,rgba(61,232,200,.14),transparent 60%);
}
body::after{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:4px 4px;
  opacity:.35;
  mix-blend-mode:soft-light;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .2s ease}
button{font:inherit;color:inherit;cursor:pointer}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;line-height:1.28}
p{margin:0}
::selection{background:rgba(61,232,200,.28);color:#fff}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 32px;
  position:relative;
  z-index:1;
}
.section{padding:var(--space-section) 0;position:relative;z-index:1}
.section-tight{padding:56px 0}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:36px;
  flex-wrap:wrap;
}
.section-head h2{font-size:30px}
.section-head .lead{color:var(--text-2);font-size:15px;margin-top:10px;max-width:640px}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--accent);
  font-weight:600;
  margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--accent);border-radius:2px}
.text-link{color:var(--accent);font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px}
.text-link:hover{color:#7ff4dd}

/* ---------- header ---------- */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:80;
  height:72px;
  display:flex;
  align-items:center;
  background:rgba(5,7,14,.35);
  -webkit-backdrop-filter:blur(20px) saturate(140%);
  backdrop-filter:blur(20px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.10);
  box-shadow:0 16px 40px rgba(0,0,0,.32);
  transition:height .28s ease,background .28s ease,box-shadow .28s ease;
}
.site-header.is-scrolled{
  height:64px;
  background:rgba(5,7,14,.92);
  box-shadow:0 22px 52px rgba(0,0,0,.55);
}
.header-inner{display:flex;align-items:center;gap:26px;width:100%}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:34px;height:34px;
  display:grid;place-items:center;
  border-radius:11px;
  background:linear-gradient(135deg,var(--brand),var(--brand-deep));
  box-shadow:0 0 0 1px rgba(61,232,200,.35),0 10px 26px rgba(44,107,255,.35);
  color:#EAF6FF;
  font-size:15px;
}
.logo-text{font-weight:800;font-size:18px;letter-spacing:-.01em}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:8px}
.nav-link{
  position:relative;
  padding:10px 14px;
  font-size:15px;
  font-weight:500;
  color:var(--text-2);
  border-radius:10px;
  transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.05)}
.nav-link.is-active{color:var(--text);font-weight:700}
.nav-link.is-active::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:2px;
  height:2px;
  border-radius:2px;
  background:linear-gradient(90deg,var(--accent),var(--brand));
  box-shadow:0 0 12px rgba(61,232,200,.7);
}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.icon-btn{
  width:40px;height:40px;
  display:grid;place-items:center;
  border-radius:50%;
  border:1px solid var(--line-strong);
  background:rgba(16,26,46,.55);
  color:var(--text-2);
  transition:color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.icon-btn:hover{color:var(--accent);border-color:rgba(61,232,200,.5);transform:translateY(-1px);box-shadow:0 0 20px rgba(61,232,200,.22)}
.icon-btn:active{transform:translateY(0)}
.nav-toggle{display:none}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  border:0;
  border-radius:999px;
  font-size:15px;
  font-weight:700;
  letter-spacing:.01em;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-primary{
  background:linear-gradient(135deg,var(--brand),var(--accent));
  color:#04121C;
  box-shadow:0 0 0 1px rgba(61,232,200,.35),0 12px 32px rgba(44,107,255,.35);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(61,232,200,.6),0 18px 42px rgba(44,107,255,.5)}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 3px 12px rgba(0,0,0,.35)}
.btn-glass{
  background:var(--glass);
  border:1px solid var(--line-strong);
  color:var(--text);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  backdrop-filter:blur(18px) saturate(140%);
}
.btn-glass:hover{border-color:rgba(61,232,200,.55);color:var(--accent);transform:translateY(-2px);box-shadow:0 14px 34px rgba(0,0,0,.4)}
.btn-glass:active{transform:translateY(0)}
.btn-ghost{background:transparent;border:1px solid rgba(61,232,200,.45);color:var(--accent)}
.btn-ghost:hover{background:rgba(61,232,200,.12);transform:translateY(-2px)}
.btn:disabled,.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}

/* ---------- badges & chips ---------- */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:26px;
  padding:0 12px;
  border-radius:999px;
  font-size:12px;
  font-weight:600;
  letter-spacing:.02em;
}
.badge-brand{background:rgba(44,107,255,.18);color:#9DBBFF;border:1px solid rgba(44,107,255,.32)}
.badge-accent{background:rgba(61,232,200,.14);color:var(--accent);border:1px solid rgba(61,232,200,.32)}
.badge-hot{background:rgba(255,106,61,.16);color:#FF9E7E;border:1px solid rgba(255,106,61,.38)}
.badge-neutral{background:rgba(255,255,255,.06);color:var(--text-2);border:1px solid var(--line-strong)}
.chips{display:flex;flex-wrap:wrap;gap:10px}
.chip{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:38px;
  padding:0 18px;
  border-radius:999px;
  border:1px solid var(--line-strong);
  background:rgba(16,26,46,.5);
  color:var(--text-2);
  font-size:14px;
  font-weight:500;
  transition:color .2s ease,border-color .2s ease,background .2s ease,transform .2s ease;
}
.chip:hover{color:var(--text);border-color:rgba(61,232,200,.5);transform:translateY(-2px)}
.chip.is-active{background:linear-gradient(135deg,rgba(44,107,255,.32),rgba(61,232,200,.22));color:#fff;border-color:rgba(61,232,200,.55)}

/* ---------- page hero ---------- */
.page-hero{
  position:relative;
  margin-top:72px;
  min-height:420px;
  display:flex;
  align-items:flex-end;
  padding:120px 0 56px;
  background-image:linear-gradient(90deg,rgba(5,7,14,.95) 0%,rgba(5,7,14,.72) 46%,rgba(5,7,14,.42) 100%),linear-gradient(180deg,rgba(5,7,14,.5),rgba(5,7,14,.96)),url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.page-hero::after{
  content:"";
  position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:4px 4px;
  opacity:.5;
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:2}
.page-hero h1{font-size:48px;max-width:880px;margin:16px 0 16px}
.page-hero .hero-sub{color:var(--text-2);font-size:17px;max-width:640px;margin-bottom:26px}
.page-hero .chips{margin-top:4px}
.crumbs{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--text-3);
  margin-bottom:6px;
}
.crumbs a{color:var(--text-2)}
.crumbs a:hover{color:var(--accent)}
.crumbs .sep{opacity:.6}
.crumbs .cur{color:var(--text-3)}

/* ---------- cards ---------- */
.glass{
  background:var(--glass);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  backdrop-filter:blur(18px) saturate(140%);
  border:1px solid rgba(255,255,255,.10);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-card);
  position:relative;
}
.glass::before{
  content:"";
  position:absolute;
  left:14px;right:14px;top:0;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.45),transparent);
  pointer-events:none;
}
.card{
  border-radius:var(--radius-lg);
  background:linear-gradient(180deg,rgba(16,26,46,.72),rgba(10,17,32,.86));
  border:1px solid var(--line);
  padding:26px;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.card:hover{transform:translateY(-4px);border-color:rgba(61,232,200,.35);box-shadow:0 26px 60px rgba(0,0,0,.5)}
.card h3{font-size:20px;margin-bottom:12px}
.card p{color:var(--text-2);font-size:15px}
.card-icon{
  width:46px;height:46px;
  border-radius:14px;
  display:grid;place-items:center;
  margin-bottom:18px;
  background:rgba(44,107,255,.16);
  border:1px solid rgba(44,107,255,.32);
  color:var(--accent);
  font-size:18px;
}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}

/* ---------- metric strip ---------- */
.metric-strip{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
  padding:28px 30px;
  border-radius:var(--radius-lg);
  background:rgba(10,17,32,.72);
  border:1px solid var(--line);
}
.metric .num{
  font-size:30px;
  font-weight:800;
  font-variant-numeric:tabular-nums;
  letter-spacing:-.02em;
  background:linear-gradient(120deg,#EAF0FA,#9DBBFF 55%,var(--accent));
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
  line-height:1.2;
}
.metric .lbl{font-size:13px;color:var(--text-3);margin-top:6px}

/* ---------- insight rows ---------- */
.insight-list{display:flex;flex-direction:column;gap:20px}
.insight-row{
  display:grid;
  grid-template-columns:280px 1fr;
  gap:26px;
  align-items:center;
  padding:20px;
  border-radius:var(--radius-lg);
  background:linear-gradient(180deg,rgba(16,26,46,.72),rgba(10,17,32,.88));
  border:1px solid var(--line);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.insight-row:hover{transform:translateY(-3px);border-color:rgba(61,232,200,.35);box-shadow:0 26px 56px rgba(0,0,0,.48)}
.insight-thumb{
  position:relative;
  aspect-ratio:16/9;
  border-radius:var(--radius-md);
  overflow:hidden;
  background:var(--bg-2);
}
.insight-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.insight-row:hover .insight-thumb img{transform:scale(1.06)}
.insight-thumb .tagbox{position:absolute;left:12px;top:12px}
.insight-body h3{font-size:21px;margin:12px 0 10px}
.insight-body p{color:var(--text-2);font-size:15px;margin-bottom:16px}
.insight-meta{display:flex;align-items:center;gap:14px;flex-wrap:wrap;font-size:13px;color:var(--text-3);font-variant-numeric:tabular-nums}
.insight-actions{display:flex;align-items:center;gap:14px;margin-top:18px;flex-wrap:wrap}

/* ---------- tag cloud ---------- */
.tag-cloud{display:flex;flex-wrap:wrap;gap:12px}
.tag-pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:10px 18px;
  border-radius:999px;
  border:1px dashed rgba(255,255,255,.16);
  background:rgba(16,26,46,.45);
  color:var(--text-2);
  font-size:14px;
  transition:color .2s ease,border-color .2s ease,background .2s ease;
}
.tag-pill:hover{color:var(--accent);border-color:rgba(61,232,200,.5);border-style:solid;background:rgba(61,232,200,.08)}

/* ---------- faq ---------- */
.faq-wrap{display:grid;grid-template-columns:1fr 340px;gap:32px;align-items:start}
.faq-list{border-radius:var(--radius-lg);overflow:hidden;background:var(--glass);border:1px solid rgba(255,255,255,.10);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}
.faq-item + .faq-item{border-top:1px solid var(--line)}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  min-height:60px;
  padding:10px 24px;
  background:none;
  border:0;
  text-align:left;
  font-size:16px;
  font-weight:600;
  color:var(--text);
  transition:background .2s ease,color .2s ease;
}
.faq-q:hover{background:rgba(255,255,255,.04);color:var(--accent)}
.faq-icon{
  flex:0 0 auto;
  width:28px;height:28px;
  display:grid;place-items:center;
  border-radius:50%;
  border:1px solid var(--line-strong);
  color:var(--accent);
  font-size:12px;
  transition:transform .3s ease,background .2s ease;
}
.faq-item.is-open .faq-icon{transform:rotate(180deg);background:rgba(61,232,200,.14)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .34s ease}
.faq-item.is-open .faq-a{max-height:360px}
.faq-a-inner{padding:0 24px 22px;color:var(--text-2);font-size:15px;line-height:1.85}
.faq-side{padding:26px;border-radius:var(--radius-lg);background:rgba(16,26,46,.55);border:1px solid rgba(255,255,255,.10);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);box-shadow:var(--shadow-soft)}
.faq-side h3{font-size:19px;margin-bottom:12px}
.faq-side p{color:var(--text-2);font-size:14px;margin-bottom:18px}
.side-list{display:flex;flex-direction:column;gap:12px}
.side-list a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:14px 16px;
  border-radius:var(--radius-sm);
  background:rgba(10,17,32,.7);
  border:1px solid var(--line);
  font-size:14px;
  color:var(--text-2);
  transition:color .2s ease,border-color .2s ease,transform .2s ease;
}
.side-list a:hover{color:var(--accent);border-color:rgba(61,232,200,.45);transform:translateX(3px)}

/* ---------- CTA ---------- */
.cta-panel{
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:36px;
  align-items:center;
  padding:44px;
  border-radius:22px;
  background:linear-gradient(135deg,rgba(44,107,255,.22),rgba(16,26,46,.72) 46%,rgba(61,232,200,.16));
  border:1px solid rgba(255,255,255,.12);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  backdrop-filter:blur(18px) saturate(140%);
  box-shadow:var(--shadow-card);
  position:relative;
  overflow:hidden;
}
.cta-panel h2{font-size:30px;margin-bottom:12px}
.cta-panel p{color:var(--text-2);font-size:15px}
.sub-form{display:flex;gap:12px;flex-wrap:wrap}
.sub-form input{
  flex:1 1 220px;
  height:48px;
  padding:0 16px;
  border-radius:var(--radius-sm);
  background:#0A1120;
  border:1px solid rgba(255,255,255,.12);
  color:var(--text);
  font-size:15px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.sub-form input::placeholder{color:var(--text-3)}
.sub-form input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(61,232,200,.18)}
.form-hint{font-size:13px;color:var(--text-3);margin-top:12px}
.form-hint.is-error{color:var(--hot)}

/* ---------- recommend band ---------- */
.rec-card{
  display:flex;
  flex-direction:column;
  border-radius:var(--radius-lg);
  overflow:hidden;
  background:rgba(16,26,46,.6);
  border:1px solid var(--line);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.rec-card:hover{transform:translateY(-4px);border-color:rgba(61,232,200,.4);box-shadow:0 26px 56px rgba(0,0,0,.5)}
.rec-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-2)}
.rec-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.rec-card:hover .rec-thumb img{transform:scale(1.06)}
.rec-body{padding:18px 20px 22px}
.rec-body h3{font-size:17px;margin-bottom:8px}
.rec-body p{font-size:14px;color:var(--text-2);line-height:1.7}

/* ---------- footer ---------- */
.site-footer{
  margin-top:20px;
  padding:64px 0 28px;
  background:#03060C;
  border-top:1px solid var(--line);
  position:relative;
  z-index:1;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:36px;
  padding-bottom:38px;
}
.footer-brand p{color:var(--text-2);font-size:14px;margin-top:16px;max-width:320px}
.footer-col h4{font-size:15px;margin-bottom:18px;color:var(--text)}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col a{color:var(--text-2);font-size:14px}
.footer-col a:hover{color:var(--accent)}
.footer-col .mini{color:var(--text-2);font-size:14px;margin-bottom:14px}
.sub-form.compact{flex-direction:column}
.sub-form.compact input{flex:none;width:100%}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  flex-wrap:wrap;
  padding-top:24px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--text-3);
}
.footer-bottom a{color:var(--text-2)}
.footer-bottom a:hover{color:var(--accent)}

/* ---------- responsive ---------- */
@media (max-width:1280px){
  .page-hero h1{font-size:42px}
}
@media (max-width:1024px){
  :root{--space-section:72px}
  .page-hero{min-height:380px;padding:104px 0 48px}
  .page-hero h1{font-size:36px}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .faq-wrap{grid-template-columns:1fr}
  .cta-panel{grid-template-columns:1fr;padding:34px}
  .insight-row{grid-template-columns:220px 1fr}
}
@media (max-width:900px){
  .main-nav{
    position:fixed;
    top:60px;left:0;right:0;bottom:0;
    margin:0;
    flex-direction:column;
    align-items:stretch;
    gap:4px;
    padding:22px 20px 100px;
    background:rgba(5,7,14,.96);
    -webkit-backdrop-filter:blur(22px);
    backdrop-filter:blur(22px);
    border-top:1px solid var(--line);
    transform:translateY(-10px);
    opacity:0;
    pointer-events:none;
    transition:opacity .25s ease,transform .25s ease;
    overflow-y:auto;
  }
  .main-nav.is-open{opacity:1;transform:none;pointer-events:auto}
  .nav-link{height:56px;display:flex;align-items:center;padding:0 16px;border-radius:12px;font-size:16px}
  .nav-link.is-active{background:rgba(61,232,200,.1)}
  .nav-link.is-active::after{left:16px;right:auto;width:24px;bottom:12px}
  .nav-toggle{display:grid}
  .site-header{height:60px}
  .site-header.is-scrolled{height:60px}
  .page-hero{margin-top:60px}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .metric-strip{grid-template-columns:repeat(2,1fr);gap:24px}
}
@media (max-width:768px){
  .container{padding:0 24px}
  :root{--space-section:64px}
  .page-hero{padding:92px 0 40px;min-height:340px}
  .page-hero h1{font-size:31px}
  .page-hero .hero-sub{font-size:15px}
  .section-head h2{font-size:25px}
  .grid-3{grid-template-columns:1fr}
  .insight-row{grid-template-columns:1fr;gap:18px}
  .insight-body h3{font-size:19px}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:28px}
  .btn{width:100%}
  .header-actions .btn-sm{display:none}
}
@media (max-width:640px){
  .container{padding:0 16px}
  :root{--space-section:52px}
  .page-hero h1{font-size:28px}
  .metric-strip{grid-template-columns:1fr 1fr;padding:22px}
  .metric .num{font-size:24px}
  .grid-4{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .cta-panel{padding:26px 20px}
  .faq-q{font-size:15px;padding:10px 18px}
  .faq-a-inner{padding:0 18px 18px}
  .insight-thumb{aspect-ratio:3/2}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}

/* roulang page: category2 */
:root{
  --bg-0:#05070E;
  --bg-1:#0A1120;
  --bg-2:#101A2E;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.14);
  --brand:#2C6BFF;
  --brand-deep:#0E4BD8;
  --accent:#3DE8C8;
  --hot:#FF6A3D;
  --text:#EAF0FA;
  --text-2:#9DAEC6;
  --text-3:#6B7C96;
  --radius:18px;
  --radius-sm:12px;
  --radius-pill:999px;
  --shadow-lg:0 24px 70px rgba(0,0,0,.5);
  --shadow-md:0 16px 44px rgba(0,0,0,.42);
  --space-section:88px;
  --font-cn:"HarmonyOS Sans SC","PingFang SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg-0);
  letter-spacing:0;
  overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background:
    radial-gradient(620px 420px at 8% -4%, rgba(44,107,255,.17), transparent 68%),
    radial-gradient(720px 520px at 96% 104%, rgba(61,232,200,.13), transparent 70%);
}
body::after{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;opacity:.045;
  background-image:
    linear-gradient(rgba(255,255,255,.6) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.6) 1px, transparent 1px);
  background-size:72px 72px;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .25s ease,opacity .25s ease;}
button,input{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;background:none;border:0;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em;line-height:1.25;}
p{margin:0;}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 32px;position:relative;z-index:1;}
.mono{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

/* ---------- header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  height:72px;
  background:rgba(5,7,14,.35);
  -webkit-backdrop-filter:blur(20px) saturate(150%);
  backdrop-filter:blur(20px) saturate(150%);
  border-bottom:1px solid var(--line);
  box-shadow:0 12px 40px rgba(0,0,0,.30);
  transition:background .3s ease,box-shadow .3s ease,height .3s ease;
}
.site-header.is-scrolled{
  background:rgba(5,7,14,.92);
  box-shadow:0 16px 48px rgba(0,0,0,.55);
  height:66px;
}
.header-inner{display:flex;align-items:center;gap:28px;height:100%;}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:34px;height:34px;display:grid;place-items:center;border-radius:11px;
  background:linear-gradient(135deg,var(--brand),var(--brand-deep));
  color:#fff;font-size:15px;
  box-shadow:0 0 0 1px rgba(61,232,200,.35),0 8px 22px rgba(44,107,255,.4);
}
.logo-text{font-size:19px;font-weight:800;letter-spacing:-.01em;}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:8px;}
.nav-link{
  position:relative;padding:9px 14px;border-radius:var(--radius-pill);
  font-size:15px;color:var(--text-2);font-weight:500;
  transition:color .25s ease,background .25s ease;
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.06);}
.nav-link.is-active{color:var(--text);font-weight:700;}
.nav-link.is-active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:20px;height:2px;border-radius:2px;background:var(--accent);
  box-shadow:0 0 10px rgba(61,232,200,.9);
}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px;}
.icon-btn{
  width:40px;height:40px;display:grid;place-items:center;border-radius:50%;
  background:rgba(255,255,255,.06);border:1px solid var(--line);
  color:var(--text-2);font-size:15px;
  transition:color .25s ease,border-color .25s ease,background .25s ease,transform .25s ease;
}
.icon-btn:hover{color:var(--accent);border-color:rgba(61,232,200,.5);background:rgba(61,232,200,.10);transform:translateY(-1px);}
.icon-btn:active{transform:translateY(0);}
.nav-toggle{display:none;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--radius-pill);
  font-weight:700;font-size:15px;
  padding:0 24px;height:48px;
  border:1px solid transparent;
  transition:transform .25s ease,box-shadow .25s ease,background .25s ease,border-color .25s ease,color .25s ease;
  white-space:nowrap;
}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-primary{
  background:linear-gradient(135deg,var(--brand),var(--accent) 130%);
  color:#04121C;
  box-shadow:0 0 0 1px rgba(61,232,200,.35),0 12px 32px rgba(44,107,255,.35);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(61,232,200,.6),0 18px 42px rgba(44,107,255,.5);}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 3px 10px rgba(0,0,0,.35);}
.btn-glass{
  background:rgba(16,26,46,.6);
  border-color:var(--line-strong);
  color:var(--text);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
}
.btn-glass:hover{background:rgba(16,26,46,.9);border-color:rgba(61,232,200,.45);transform:translateY(-2px);}
.btn-ghost{
  background:transparent;color:var(--accent);border-color:rgba(61,232,200,.55);
}
.btn-ghost:hover{background:rgba(61,232,200,.10);transform:translateY(-2px);}
.btn:disabled,.btn[disabled]{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;}

/* ---------- badges & chips ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--radius-pill);
  font-size:12px;font-weight:600;line-height:1.6;letter-spacing:.01em;
}
.badge-brand{background:rgba(44,107,255,.16);color:#9CC0FF;border:1px solid rgba(44,107,255,.35);}
.badge-hot{background:rgba(255,106,61,.14);color:#FFB199;border:1px solid rgba(255,106,61,.42);}
.badge-muted{background:rgba(255,255,255,.06);color:var(--text-2);border:1px solid var(--line);}
.badge-accent{background:rgba(61,232,200,.12);color:var(--accent);border:1px solid rgba(61,232,200,.4);}

.chip-row{display:flex;flex-wrap:wrap;gap:10px;}
.chip{
  padding:8px 16px;border-radius:var(--radius-pill);
  font-size:14px;color:var(--text-2);
  background:rgba(16,26,46,.6);border:1px solid var(--line);
  transition:all .25s ease;
}
.chip:hover{color:var(--text);border-color:var(--line-strong);}
.chip.is-active{
  color:#04121C;font-weight:700;
  background:linear-gradient(135deg,var(--brand),var(--accent) 140%);
  border-color:transparent;
  box-shadow:0 8px 26px rgba(44,107,255,.35);
}

/* ---------- breadcrumb ---------- */
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:18px;flex-wrap:wrap;}
.breadcrumb a{color:var(--text-2);}
.breadcrumb a:hover{color:var(--accent);}
.breadcrumb span.sep{color:var(--text-3);}

/* ---------- category banner ---------- */
.category-banner{
  position:relative;
  padding:146px 0 52px;
  min-height:420px;
  display:flex;align-items:flex-end;
  background-image:
    linear-gradient(180deg,rgba(5,7,14,.94) 0%,rgba(5,7,14,.58) 40%,rgba(5,7,14,.97) 100%),
    url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
.banner-inner{max-width:820px;}
.banner-title{font-size:clamp(30px,4.4vw,52px);line-height:1.16;font-weight:800;}
.banner-title em{font-style:normal;color:var(--accent);}
.banner-sub{margin-top:16px;font-size:16px;color:var(--text-2);max-width:660px;}
.banner-stats{display:flex;flex-wrap:wrap;gap:32px;margin-top:28px;}
.banner-stat strong{display:block;font-size:24px;font-weight:800;color:var(--text);}
.banner-stat span{font-size:13px;color:var(--text-3);}
.banner-chips{margin-top:30px;}

/* ---------- section ---------- */
.section{padding:var(--space-section) 0;position:relative;}
.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,32px);}
.section-head p{color:var(--text-2);font-size:15px;margin-top:8px;max-width:640px;}
.section-link{color:var(--accent);font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px;}
.section-link:hover{opacity:.8;}

/* ---------- filter bar ---------- */
.filter-bar{
  display:flex;align-items:center;gap:16px;flex-wrap:wrap;
  padding:16px 20px;border-radius:var(--radius);
  background:rgba(16,26,46,.55);
  border:1px solid var(--line);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  backdrop-filter:blur(18px) saturate(140%);
  margin-bottom:32px;
}
.filter-bar .chip-row{flex:1;min-width:220px;}
.sort-row{display:flex;gap:8px;align-items:center;color:var(--text-3);font-size:13px;}

/* ---------- poster masonry ---------- */
.masonry{columns:3;column-gap:24px;}
.poster-card{
  position:relative;display:block;overflow:hidden;
  border-radius:16px;
  border:1px solid rgba(255,255,255,.10);
  background:var(--bg-2);
  box-shadow:var(--shadow-md);
  break-inside:avoid;
  margin-bottom:24px;
  transition:transform .35s ease,border-color .35s ease,box-shadow .35s ease;
}
.poster-card:hover{transform:translateY(-4px);border-color:rgba(61,232,200,.55);box-shadow:0 22px 60px rgba(0,0,0,.55),0 0 0 1px rgba(61,232,200,.25);}
.poster-media{position:relative;overflow:hidden;}
.poster-card.is-portrait .poster-media{aspect-ratio:3/4;}
.poster-card.is-wide .poster-media{aspect-ratio:16/9;}
.poster-media img{width:100%;height:100%;object-fit:cover;transition:transform .55s ease;}
.poster-card:hover .poster-media img{transform:scale(1.06);}
.poster-tags{position:absolute;top:14px;left:14px;display:flex;gap:8px;z-index:2;}
.poster-body{
  position:absolute;left:0;right:0;bottom:0;z-index:2;
  padding:22px 18px 18px;
  background:linear-gradient(180deg,transparent 0%,rgba(5,7,14,.72) 42%,rgba(5,7,14,.94) 100%);
}
.poster-body h3{font-size:17px;font-weight:700;line-height:1.45;}
.poster-meta{display:flex;align-items:center;gap:14px;margin-top:10px;font-size:13px;color:var(--text-3);}
.poster-play{
  position:absolute;right:16px;bottom:18px;z-index:3;
  width:42px;height:42px;border-radius:50%;display:grid;place-items:center;
  background:rgba(16,26,46,.72);border:1px solid rgba(61,232,200,.45);
  color:var(--accent);font-size:14px;
  opacity:0;transform:translateY(6px);
  transition:opacity .3s ease,transform .3s ease,background .3s ease;
}
.poster-card:hover .poster-play{opacity:1;transform:translateY(0);}
.poster-card:hover .poster-play{background:rgba(61,232,200,.16);}
.load-more-wrap{display:flex;justify-content:center;margin-top:20px;columns:1;}
.load-more{min-width:220px;}

/* ---------- rank ---------- */
.rank-list{display:grid;gap:12px;}
.rank-item{
  display:grid;grid-template-columns:44px 108px 1fr auto;align-items:center;gap:18px;
  padding:14px 18px;border-radius:14px;
  background:rgba(16,26,46,.5);border:1px solid var(--line);
  transition:transform .3s ease,border-color .3s ease,background .3s ease;
}
.rank-item:hover{transform:translateY(-2px);border-color:var(--line-strong);background:rgba(16,26,46,.78);}
.rank-no{font-size:22px;font-weight:800;color:var(--accent);font-variant-numeric:tabular-nums;}
.rank-thumb{border-radius:10px;overflow:hidden;aspect-ratio:16/9;background:var(--bg-2);}
.rank-thumb img{width:100%;height:100%;object-fit:cover;}
.rank-main h3{font-size:16px;font-weight:700;}
.rank-main p{font-size:13px;color:var(--text-3);margin-top:4px;}
.rank-tag{font-size:13px;color:var(--text-2);white-space:nowrap;}

/* ---------- feature split ---------- */
.split{display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:center;}
.split-media{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-lg);aspect-ratio:16/10;background:var(--bg-2);}
.split-media img{width:100%;height:100%;object-fit:cover;}
.feature-list{display:grid;gap:18px;margin-top:26px;}
.feature-item{display:flex;gap:16px;padding:18px 20px;border-radius:14px;background:rgba(16,26,46,.5);border:1px solid var(--line);transition:border-color .3s ease,transform .3s ease;}
.feature-item:hover{border-color:rgba(61,232,200,.35);transform:translateY(-2px);}
.feature-icon{
  width:40px;height:40px;flex:0 0 40px;border-radius:12px;display:grid;place-items:center;
  background:rgba(44,107,255,.16);border:1px solid rgba(44,107,255,.35);color:var(--accent);font-size:15px;
}
.feature-item h3{font-size:17px;}
.feature-item p{font-size:14px;color:var(--text-2);margin-top:6px;}

/* ---------- faq ---------- */
.faq-list{border-radius:var(--radius);border:1px solid var(--line);background:rgba(16,26,46,.45);overflow:hidden;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);}
.faq-item+.faq-item{border-top:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  min-height:56px;padding:16px 24px;text-align:left;
  font-size:16px;font-weight:600;color:var(--text);
  transition:color .25s ease,background .25s ease;
}
.faq-q:hover{color:var(--accent);background:rgba(255,255,255,.03);}
.faq-icon{
  width:26px;height:26px;flex:0 0 26px;border-radius:50%;display:grid;place-items:center;
  border:1px solid var(--line-strong);color:var(--text-2);font-size:12px;
  transition:transform .3s ease,border-color .3s ease,color .3s ease;
}
.faq-item.is-open .faq-icon{transform:rotate(180deg);border-color:rgba(61,232,200,.6);color:var(--accent);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;}
.faq-a p{padding:0 24px 22px;font-size:15px;line-height:1.8;color:var(--text-2);max-width:900px;}

/* ---------- cross recommend ---------- */
.cross-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.cross-card{
  display:block;border-radius:16px;overflow:hidden;
  border:1px solid var(--line);background:var(--bg-2);
  transition:transform .35s ease,border-color .35s ease,box-shadow .35s ease;
}
.cross-card:hover{transform:translateY(-4px);border-color:rgba(61,232,200,.45);box-shadow:var(--shadow-md);}
.cross-media{aspect-ratio:16/10;overflow:hidden;}
.cross-media img{width:100%;height:100%;object-fit:cover;transition:transform .55s ease;}
.cross-card:hover .cross-media img{transform:scale(1.05);}
.cross-body{padding:18px 18px 20px;}
.cross-body h3{font-size:16px;line-height:1.5;}
.cross-body p{font-size:13px;color:var(--text-3);margin-top:8px;}

/* ---------- cta ---------- */
.cta-panel{
  display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;
  padding:44px;
  border-radius:22px;
  background:rgba(16,26,46,.6);
  border:1px solid rgba(255,255,255,.10);
  border-top-color:rgba(255,255,255,.18);
  box-shadow:var(--shadow-lg);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  backdrop-filter:blur(18px) saturate(140%);
  position:relative;overflow:hidden;
}
.cta-panel::after{
  content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(61,232,200,.18),transparent 68%);
}
.cta-panel h2{font-size:clamp(22px,2.4vw,30px);}
.cta-panel p{color:var(--text-2);font-size:15px;margin-top:12px;}
.cta-form{display:flex;gap:12px;flex-wrap:wrap;}
.cta-form input{
  flex:1;min-width:200px;height:48px;padding:0 18px;
  border-radius:var(--radius-sm);
  background:var(--bg-1);
  border:1px solid rgba(255,255,255,.12);
  color:var(--text);font-size:15px;
  transition:border-color .25s ease,box-shadow .25s ease;
}
.cta-form input::placeholder{color:var(--text-3);}
.cta-form input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(61,232,200,.18);}
.form-hint{font-size:13px;color:var(--text-3);margin-top:12px;}

/* ---------- footer ---------- */
.site-footer{
  border-top:1px solid var(--line);
  background:#03050A;
  padding:64px 0 28px;
  position:relative;z-index:1;
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand p{font-size:14px;color:var(--text-2);margin-top:16px;max-width:320px;line-height:1.75;}
.footer-col h4{font-size:15px;font-weight:700;margin-bottom:16px;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{font-size:14px;color:var(--text-2);}
.footer-col a:hover{color:var(--accent);}
.footer-col .mini{font-size:13px;color:var(--text-3);margin-bottom:14px;}
.sub-form{display:flex;gap:10px;flex-wrap:wrap;}
.sub-form input{
  flex:1;min-width:140px;height:40px;padding:0 14px;border-radius:var(--radius-sm);
  background:var(--bg-1);border:1px solid rgba(255,255,255,.12);color:var(--text);font-size:14px;
}
.sub-form input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(61,232,200,.18);}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:48px;padding-top:22px;border-top:1px solid var(--line);
  font-size:13px;color:var(--text-3);
}
.footer-bottom a{color:var(--text-2);}
.footer-bottom a:hover{color:var(--accent);}

/* ---------- responsive ---------- */
@media (max-width:1280px){
  .container{padding:0 24px;}
  .rank-item{grid-template-columns:40px 96px 1fr auto;}
}
@media (max-width:1199px){
  .masonry{columns:2;}
}
@media (max-width:1024px){
  .cross-grid{grid-template-columns:repeat(2,1fr);}
  .split{gap:36px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:900px){
  :root{--space-section:72px;}
  .main-nav{
    position:fixed;inset:0;z-index:90;
    flex-direction:column;align-items:stretch;gap:0;
    margin:0;padding:96px 24px 32px;
    background:rgba(5,7,14,.94);
    -webkit-backdrop-filter:blur(22px);backdrop-filter:blur(22px);
    transform:translateX(100%);
    transition:transform .35s ease;
    overflow-y:auto;
  }
  body.nav-open .main-nav{transform:translateX(0);}
  .nav-link{padding:0;height:56px;display:flex;align-items:center;font-size:17px;border-bottom:1px solid var(--line);border-radius:0;}
  .nav-link.is-active::after{left:0;transform:none;bottom:auto;width:3px;height:22px;top:17px;box-shadow:none;}
  .nav-link.is-active{padding-left:14px;}
  .nav-toggle{display:grid;}
  .split{grid-template-columns:1fr;}
  .category-banner{padding-top:120px;min-height:360px;}
  .cta-panel{grid-template-columns:1fr;padding:32px;}
}
@media (max-width:768px){
  :root{--space-section:56px;}
  .masonry{columns:1;}
  .cross-grid{grid-template-columns:1fr;}
  .rank-item{grid-template-columns:36px 76px 1fr;row-gap:8px;}
  .rank-tag{grid-column:2 / -1;color:var(--text-3);}
  .header-actions .btn-primary{display:none;}
  .banner-stats{gap:22px;}
  .filter-bar{padding:14px 16px;}
}
@media (max-width:640px){
  .container{padding:0 16px;}
  .banner-title{font-size:30px;}
  .section-head h2{font-size:24px;}
  .btn{width:100%;height:48px;}
  .btn-sm{width:auto;}
  .icon-btn{width:38px;height:38px;}
  .load-more{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .cta-form input{min-width:100%;}
  .poster-card.is-portrait .poster-media{aspect-ratio:4/5;}
}
@media (max-width:480px){
  :root{--space-section:48px;}
  .banner-title{font-size:28px;}
  .poster-body h3{font-size:16px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category4 */
:root{
  --bg-0:#05070E;
  --bg-1:#0A1120;
  --bg-2:#101A2E;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.14);
  --brand:#2C6BFF;
  --brand-deep:#0E4BD8;
  --accent:#3DE8C8;
  --hot:#FF6A3D;
  --text:#EAF0FA;
  --text-2:#9DAEC6;
  --text-3:#6B7C96;
  --glass:rgba(16,26,46,.55);
  --glass-2:rgba(10,17,32,.72);
  --radius:18px;
  --radius-sm:12px;
  --radius-pill:999px;
  --shadow:0 20px 60px rgba(0,0,0,.45);
  --shadow-soft:0 12px 32px rgba(0,0,0,.32);
  --glow-accent:0 0 0 1px rgba(61,232,200,.35),0 12px 32px rgba(44,107,255,.35);
  --font:"HarmonyOS Sans SC","PingFang SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background-color:var(--bg-0);
  background-image:
    radial-gradient(900px 620px at 10% -8%,rgba(44,107,255,.18),transparent 60%),
    radial-gradient(820px 600px at 102% 18%,rgba(61,232,200,.13),transparent 62%);
  background-attachment:fixed;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:
    linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:44px 44px;
  opacity:.6;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease,opacity .2s ease;}
button,input,select,textarea{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em;line-height:1.25;}
p{margin:0;}
table{border-collapse:collapse;}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 32px;position:relative;z-index:1;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--radius-pill);
  border:1px solid transparent;cursor:pointer;font-size:15px;font-weight:700;
  letter-spacing:.01em;white-space:nowrap;
  transition:transform .2s ease,box-shadow .25s ease,background-color .2s ease,border-color .2s ease,color .2s ease;
}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}
.btn-primary{
  color:#fff;
  background-image:
    linear-gradient(135deg,rgba(5,12,30,.86),rgba(5,12,30,.30)),
    linear-gradient(135deg,#2C6BFF 0%,#1E9BC9 58%,#3DE8C8 100%);
  box-shadow:var(--glow-accent);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(61,232,200,.5),0 18px 42px rgba(44,107,255,.5);}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 3px 10px rgba(0,0,0,.45);}
.btn-glass{
  color:var(--text);background:rgba(16,26,46,.6);border-color:var(--line-strong);
  backdrop-filter:blur(14px) saturate(140%);
}
.btn-glass:hover{border-color:rgba(61,232,200,.45);background:rgba(20,34,58,.75);transform:translateY(-2px);}
.btn-ghost{color:var(--accent);background:transparent;border-color:rgba(61,232,200,.5);}
.btn-ghost:hover{background:rgba(61,232,200,.10);transform:translateY(-2px);}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;}
.icon-btn{
  width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:50%;border:1px solid var(--line-strong);background:rgba(16,26,46,.55);
  color:var(--text-2);cursor:pointer;backdrop-filter:blur(14px);
  transition:color .2s,border-color .2s,background-color .2s,transform .2s;
}
.icon-btn:hover{color:var(--accent);border-color:rgba(61,232,200,.5);transform:translateY(-2px);}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  background:rgba(5,7,14,.35);
  backdrop-filter:blur(20px) saturate(150%);
  -webkit-backdrop-filter:blur(20px) saturate(150%);
  border-bottom:1px solid rgba(255,255,255,.10);
  box-shadow:0 10px 40px rgba(0,0,0,.35);
  transition:background-color .3s ease,box-shadow .3s ease;
}
.site-header.is-scrolled{background:rgba(5,7,14,.92);box-shadow:0 16px 48px rgba(0,0,0,.6);}
.header-inner{display:flex;align-items:center;gap:28px;height:72px;}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:800;letter-spacing:-.01em;}
.logo-mark{
  width:34px;height:34px;border-radius:11px;display:inline-flex;align-items:center;justify-content:center;
  background-image:linear-gradient(135deg,#2C6BFF,#3DE8C8);color:#04121E;font-size:15px;
  box-shadow:0 0 0 1px rgba(61,232,200,.35),0 8px 22px rgba(44,107,255,.4);
}
.logo-text{font-size:18px;color:var(--text);}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-link{
  position:relative;padding:8px 14px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:600;color:var(--text-2);
  transition:color .2s ease,background-color .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:2px;width:0;height:2px;border-radius:2px;
  background:var(--accent);transform:translateX(-50%);transition:width .25s ease;
  box-shadow:0 0 10px rgba(61,232,200,.8);
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.05);}
.nav-link:hover::after{width:18px;}
.nav-link.is-active{color:var(--text);background:rgba(44,107,255,.14);}
.nav-link.is-active::after{width:22px;}
.header-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{display:none;}

/* ---------- 面包屑 ---------- */
.crumb-bar{padding:104px 0 0;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);}
.breadcrumb a{color:var(--text-2);}
.breadcrumb a:hover{color:var(--accent);}
.breadcrumb .sep{color:var(--text-3);opacity:.7;}
.breadcrumb .current{color:var(--text-3);}

/* ---------- 分类横幅 ---------- */
.page-banner{
  position:relative;margin-top:20px;border-radius:24px;overflow:hidden;
  min-height:400px;display:flex;align-items:flex-end;
  padding:56px;
  background-image:
    linear-gradient(180deg,rgba(5,7,14,.30) 0%,rgba(5,7,14,.72) 55%,rgba(5,7,14,.94) 100%),
    linear-gradient(100deg,rgba(44,107,255,.28),rgba(5,7,14,.1) 60%),
    url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;
  border:1px solid var(--line);
  box-shadow:var(--shadow);
}
.page-banner::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:40px 40px;opacity:.35;mix-blend-mode:overlay;
}
.banner-inner{position:relative;z-index:2;max-width:760px;}
.live-badge{
  display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 14px;
  border-radius:var(--radius-pill);font-size:12px;font-weight:700;letter-spacing:.06em;
  color:var(--hot);border:1px solid rgba(255,106,61,.5);background:rgba(255,106,61,.10);
  box-shadow:0 0 18px rgba(255,106,61,.25);text-transform:uppercase;
}
.live-badge .dot{width:6px;height:6px;border-radius:50%;background:var(--hot);box-shadow:0 0 8px var(--hot);}
.banner-inner h1{margin-top:18px;font-size:46px;line-height:1.18;}
.banner-inner h1 .hl{
  background-image:linear-gradient(100deg,#3DE8C8,#2C6BFF);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.banner-sub{margin-top:16px;font-size:16px;color:var(--text-2);max-width:640px;}
.banner-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.chip{
  display:inline-flex;align-items:center;gap:8px;height:36px;padding:0 16px;
  border-radius:var(--radius-pill);font-size:13px;font-weight:600;color:var(--text-2);
  background:rgba(16,26,46,.6);border:1px solid var(--line);backdrop-filter:blur(12px);
  transition:color .2s,border-color .2s,background-color .2s,transform .2s;
}
.chip:hover{color:var(--accent);border-color:rgba(61,232,200,.45);transform:translateY(-2px);}
.chip i{color:var(--accent);font-size:12px;}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:36px;}
.section-title{font-size:30px;}
.section-title .bar{
  display:inline-block;width:12px;height:12px;border-radius:4px;margin-right:12px;
  background-image:linear-gradient(135deg,#2C6BFF,#3DE8C8);vertical-align:middle;
}
.section-desc{margin-top:12px;color:var(--text-2);font-size:15px;max-width:720px;}
.link-more{font-size:14px;font-weight:700;color:var(--accent);display:inline-flex;align-items:center;gap:6px;}
.link-more:hover{gap:10px;}

/* ---------- 两栏说明区 ---------- */
.split{display:grid;grid-template-columns:1.55fr 1fr;gap:28px;align-items:start;}
.panel{
  background:var(--glass);border:1px solid rgba(255,255,255,.10);
  border-radius:var(--radius);padding:28px;
  backdrop-filter:blur(18px) saturate(140%);
  box-shadow:var(--shadow-soft);
  position:relative;overflow:hidden;
}
.panel::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.35),transparent);
}
.rule-block + .rule-block{margin-top:30px;padding-top:28px;border-top:1px solid var(--line);}
.rule-block h3{font-size:20px;display:flex;align-items:center;gap:12px;}
.rule-block h3 .idx{
  width:30px;height:30px;flex:none;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:800;color:var(--accent);
  background:rgba(61,232,200,.10);border:1px solid rgba(61,232,200,.28);
}
.rule-block p{margin-top:12px;color:var(--text-2);font-size:15px;}
.rule-block .tips{margin-top:14px;display:grid;gap:10px;}
.rule-block .tips li{
  position:relative;padding-left:22px;font-size:14px;color:var(--text-2);
}
.rule-block .tips li::before{
  content:"";position:absolute;left:4px;top:10px;width:6px;height:6px;border-radius:50%;
  background:var(--accent);box-shadow:0 0 8px rgba(61,232,200,.7);
}

.info-card{position:sticky;top:100px;}
.info-card .card-cover{
  border-radius:14px;overflow:hidden;aspect-ratio:16/9;margin-bottom:20px;
  border:1px solid var(--line);
}
.info-card .card-cover img{width:100%;height:100%;object-fit:cover;}
.info-card h3{font-size:19px;}
.info-card .sub{margin-top:8px;font-size:14px;color:var(--text-2);}
.stat-row{margin-top:20px;display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.stat{
  background:rgba(10,17,32,.75);border:1px solid var(--line);border-radius:14px;
  padding:14px 16px;
}
.stat .v{font-size:22px;font-weight:800;color:var(--accent);}
.stat .k{margin-top:4px;font-size:12px;color:var(--text-3);}
.info-card .btn{margin-top:22px;}
.info-card .note{margin-top:14px;font-size:12px;color:var(--text-3);}

/* ---------- 服务条目卡 ---------- */
.rule-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.rule-card{
  background:var(--glass);border:1px solid rgba(255,255,255,.10);border-radius:var(--radius);
  padding:24px;backdrop-filter:blur(18px) saturate(140%);
  box-shadow:var(--shadow-soft);transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
  position:relative;overflow:hidden;
}
.rule-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.3),transparent);
}
.rule-card:hover{transform:translateY(-2px);border-color:rgba(61,232,200,.35);box-shadow:0 24px 60px rgba(0,0,0,.5);}
.rule-card .ic{
  width:44px;height:44px;border-radius:14px;display:inline-flex;align-items:center;justify-content:center;
  background:rgba(44,107,255,.14);border:1px solid rgba(44,107,255,.32);color:var(--accent);font-size:16px;
}
.rule-card h3{margin-top:18px;font-size:18px;}
.rule-card p{margin-top:10px;font-size:14px;color:var(--text-2);}
.rule-card .meta{
  margin-top:18px;padding-top:16px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
}
.badge{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:var(--radius-pill);
  font-size:12px;font-weight:700;
}
.badge-brand{color:#BCD2FF;background:rgba(44,107,255,.16);border:1px solid rgba(44,107,255,.3);}
.badge-hot{color:var(--hot);background:rgba(255,106,61,.12);border:1px solid rgba(255,106,61,.32);}
.badge-neutral{color:var(--text-2);background:rgba(255,255,255,.05);border:1px solid var(--line);}
.meta-time{font-size:13px;color:var(--text-3);}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:1fr 1.6fr;gap:28px;align-items:start;}
.faq{border:1px solid rgba(255,255,255,.10);border-radius:var(--radius);overflow:hidden;background:var(--glass);backdrop-filter:blur(18px) saturate(140%);box-shadow:var(--shadow-soft);}
.faq-item + .faq-item{border-top:1px solid var(--line);}
.faq-q{
  width:100%;height:56px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:0 22px;background:transparent;border:0;cursor:pointer;text-align:left;
  font-size:16px;font-weight:600;color:var(--text);transition:color .2s,background-color .2s;
}
.faq-q:hover{color:var(--accent);background:rgba(255,255,255,.03);}
.faq-q .ic{font-size:14px;color:var(--accent);transition:transform .3s ease;flex:none;}
.faq-item.is-open .faq-q{color:var(--accent);}
.faq-item.is-open .faq-q .ic{transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;}
.faq-a p{padding:0 22px 22px;font-size:15px;line-height:1.8;color:var(--text-2);}
.faq-item.is-open .faq-a{max-height:320px;}
.faq-side .panel{padding:24px;}
.faq-side h3{font-size:18px;}
.faq-side p{margin-top:10px;font-size:14px;color:var(--text-2);}
.faq-side ul{margin-top:18px;display:grid;gap:12px;}
.faq-side li a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:12px 16px;border-radius:12px;border:1px solid var(--line);background:rgba(10,17,32,.6);
  font-size:14px;color:var(--text-2);transition:border-color .2s,color .2s,transform .2s;
}
.faq-side li a:hover{border-color:rgba(61,232,200,.4);color:var(--text);transform:translateX(4px);}
.faq-side li a i{color:var(--accent);font-size:12px;}

/* ---------- 联系表单 ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1.25fr;gap:28px;align-items:start;}
.contact-grid h2{font-size:30px;}
.contact-grid .lead{margin-top:14px;font-size:15px;color:var(--text-2);}
.contact-points{margin-top:24px;display:grid;gap:14px;}
.contact-points li{display:flex;gap:12px;font-size:14px;color:var(--text-2);}
.contact-points i{color:var(--accent);margin-top:4px;font-size:13px;}
.contact-form{padding:28px;border-radius:var(--radius);background:var(--glass);border:1px solid rgba(255,255,255,.10);backdrop-filter:blur(18px) saturate(140%);box-shadow:var(--shadow-soft);}
.field + .field{margin-top:18px;}
.field label{display:block;font-size:13px;font-weight:700;color:var(--text-2);margin-bottom:8px;}
.field input,.field select,.field textarea{
  width:100%;min-height:48px;padding:12px 14px;border-radius:var(--radius-sm);
  background:#0A1120;border:1px solid rgba(255,255,255,.12);color:var(--text);
  transition:border-color .2s,box-shadow .2s;
}
.field textarea{resize:vertical;line-height:1.7;}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3);}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(61,232,200,.18);
}
.field.has-error input,.field.has-error textarea{border-color:var(--hot);box-shadow:0 0 0 3px rgba(255,106,61,.14);}
.field-err{display:none;margin-top:8px;font-size:12px;color:var(--hot);}
.field.has-error .field-err{display:block;}
.contact-form .btn{margin-top:24px;}
.form-note{margin-top:14px;font-size:13px;color:var(--accent);}
.form-note[hidden]{display:none;}

/* ---------- 推荐带 ---------- */
.rec-rail{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.rec-card{
  position:relative;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);
  background:var(--bg-1);box-shadow:var(--shadow-soft);display:block;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.rec-card:hover{transform:translateY(-4px);border-color:rgba(61,232,200,.4);box-shadow:0 26px 60px rgba(0,0,0,.55);}
.rec-card .thumb{aspect-ratio:3/4;overflow:hidden;}
.rec-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.rec-card:hover .thumb img{transform:scale(1.06);}
.rec-card .shade{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,7,14,0) 35%,rgba(5,7,14,.88) 100%);
}
.rec-card .body{position:absolute;left:0;right:0;bottom:0;padding:20px;}
.rec-card .body h3{font-size:17px;font-weight:700;}
.rec-card .body p{margin-top:8px;font-size:13px;color:var(--text-2);}
.rec-card .tag{
  position:absolute;top:14px;left:14px;height:26px;padding:0 12px;border-radius:var(--radius-pill);
  display:inline-flex;align-items:center;font-size:12px;font-weight:700;
  background:rgba(5,7,14,.7);border:1px solid rgba(255,255,255,.16);color:var(--text);backdrop-filter:blur(8px);
}
.rec-card .go{
  position:absolute;right:14px;bottom:14px;width:36px;height:36px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(61,232,200,.14);border:1px solid rgba(61,232,200,.45);color:var(--accent);font-size:13px;
  opacity:0;transform:translateY(6px);transition:opacity .25s,transform .25s;
}
.rec-card:hover .go{opacity:1;transform:translateY(0);}

/* ---------- CTA 条 ---------- */
.cta-band{
  margin-top:88px;border-radius:24px;padding:44px;
  background:linear-gradient(120deg,rgba(44,107,255,.22),rgba(61,232,200,.10)),rgba(10,17,32,.8);
  border:1px solid rgba(255,255,255,.12);backdrop-filter:blur(18px);
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  box-shadow:var(--shadow);
}
.cta-band h2{font-size:26px;}
.cta-band p{margin-top:10px;font-size:15px;color:var(--text-2);max-width:620px;}
.cta-band .actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:96px;border-top:1px solid var(--line);background:rgba(4,6,12,.9);padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;padding-bottom:48px;}
.footer-brand p{margin-top:16px;font-size:14px;color:var(--text-2);max-width:340px;}
.footer-col h4{font-size:15px;font-weight:700;color:var(--text);margin-bottom:16px;}
.footer-col ul{display:grid;gap:11px;}
.footer-col a{font-size:14px;color:var(--text-2);}
.footer-col a:hover{color:var(--accent);}
.footer-col .mini{font-size:13px;color:var(--text-3);margin-bottom:14px;}
.sub-form{display:flex;gap:10px;flex-wrap:wrap;}
.sub-form input{
  flex:1 1 150px;min-height:40px;padding:10px 14px;border-radius:var(--radius-sm);
  background:#0A1120;border:1px solid rgba(255,255,255,.12);color:var(--text);font-size:14px;
}
.sub-form input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(61,232,200,.18);}
.footer-bottom{
  border-top:1px solid var(--line);padding:20px 0;display:flex;justify-content:space-between;
  gap:14px;flex-wrap:wrap;font-size:13px;color:var(--text-3);
}
.footer-bottom a{color:var(--text-2);}
.footer-bottom a:hover{color:var(--accent);}

/* ---------- 响应式 ---------- */
@media (max-width:1180px){
  .rule-grid{grid-template-columns:repeat(2,1fr);}
  .rec-rail{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:1024px){
  .container{padding:0 24px;}
  .split,.faq-wrap,.contact-grid{grid-template-columns:1fr;}
  .info-card{position:static;}
  .banner-inner h1{font-size:38px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:900px){
  .header-inner{height:60px;}
  .main-nav{
    position:fixed;top:60px;left:0;right:0;bottom:0;margin:0;
    flex-direction:column;align-items:stretch;gap:0;padding:18px 24px 32px;
    background:rgba(5,7,14,.96);backdrop-filter:blur(24px);
    transform:translateY(-10px);opacity:0;visibility:hidden;
    transition:opacity .25s ease,transform .25s ease,visibility .25s;
    overflow-y:auto;
  }
  .site-header.nav-open .main-nav{opacity:1;visibility:visible;transform:translateY(0);}
  .nav-link{width:100%;padding:18px 4px;font-size:16px;border-bottom:1px solid var(--line);border-radius:0;}
  .nav-link::after{left:4px;transform:none;bottom:12px;}
  .nav-link:hover::after,.nav-link.is-active::after{width:22px;}
  .nav-toggle{display:inline-flex;}
  .header-actions .btn-primary{display:none;}
  .page-banner{padding:36px 26px;min-height:0;}
  .banner-inner h1{font-size:32px;}
  .section-title{font-size:26px;}
}
@media (max-width:768px){
  .crumb-bar{padding-top:88px;}
  .section{padding-top:56px;}
  .page-banner{border-radius:18px;}
  .banner-sub{font-size:15px;}
  .rule-grid{grid-template-columns:1fr;}
  .rec-rail{grid-template-columns:1fr 1fr;gap:16px;}
  .cta-band{margin-top:56px;padding:28px;border-radius:18px;}
  .site-footer{margin-top:64px;padding-top:48px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px;}
  .footer-bottom{flex-direction:column;}
  .stat-row{grid-template-columns:1fr 1fr;}
}
@media (max-width:560px){
  .container{padding:0 16px;}
  .banner-inner h1{font-size:28px;}
  .section-title{font-size:23px;}
  .cta-band h2{font-size:22px;}
  .btn{width:100%;}
  .banner-actions .btn{width:100%;}
  .header-actions .btn{width:auto;}
  .rec-rail{grid-template-columns:1fr;}
  .rec-card .thumb{aspect-ratio:3/2;}
  .cta-band .actions{width:100%;}
  .stat-row{grid-template-columns:1fr;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
}