/* roulang page: index */
:root{
  --bg-0:#070A12;
  --bg-1:#0C111C;
  --bg-2:#131B2A;
  --primary:#00E6A8;
  --primary-hover:#22F7BB;
  --primary-pressed:#00B888;
  --primary-soft:rgba(0,230,168,.12);
  --primary-line:rgba(0,230,168,.28);
  --accent:#FF5C2B;
  --accent-2:#7C8CFF;
  --ink-1:#F2F5FA;
  --ink-2:#A9B5C9;
  --ink-3:#6C7A91;
  --line:rgba(255,255,255,.08);
  --glass:rgba(255,255,255,.05);
  --glass-line:rgba(255,255,255,.10);
  --r-8:8px;
  --r-14:14px;
  --r-20:20px;
  --r-28:28px;
  --r-pill:999px;
  --shadow-card:0 8px 24px rgba(0,0,0,.35);
  --shadow-cta:0 0 0 1px rgba(0,230,168,.18) inset,0 8px 28px rgba(0,230,168,.18);
  --container:1200px;
  --font-cn:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  --font-num:"DIN Alternate","Barlow",ui-monospace,SFMono-Regular,Menlo,monospace;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--ink-2);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .18s var(--ease);}
button,input,textarea,select{font:inherit;color:inherit;}
button{background:none;border:0;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
p{line-height:1.85;}
h1,h2,h3,h4{color:var(--ink-1);line-height:1.3;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px;}
.mono{font-family:var(--font-num);font-variant-numeric:tabular-nums;letter-spacing:.02em;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:88px 0;position:relative;}
.section--tight{padding:64px 0;}
.section--alt{background:var(--bg-1);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;}
.section-head h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;display:flex;align-items:center;gap:12px;}
.section-head h2::before{
  content:"";width:4px;height:22px;border-radius:2px;background:var(--primary);
  box-shadow:0 0 12px rgba(0,230,168,.6);flex:0 0 auto;
}
.section-sub{font-size:14px;color:var(--ink-3);margin-top:6px;}
.text-link{
  color:var(--primary);font-size:14px;position:relative;white-space:nowrap;
}
.text-link::after{
  content:"";position:absolute;left:0;bottom:-3px;width:0;height:1px;background:var(--primary);
  transition:width .24s var(--ease);
}
.text-link:hover{color:var(--primary-hover);}
.text-link:hover::after{width:100%;}

/* ---------- 公告条 ---------- */
.notice{background:linear-gradient(90deg,rgba(0,230,168,.14),rgba(255,92,43,.10));border-bottom:1px solid var(--line);}
.notice__inner{display:flex;align-items:center;gap:12px;min-height:44px;font-size:13px;color:var(--ink-2);}
.notice__tag{
  font-size:12px;padding:2px 10px;border-radius:var(--r-pill);background:var(--primary-soft);
  color:var(--primary);border:1px solid var(--primary-line);white-space:nowrap;
}
.notice__text{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--ink-2);}
.notice__close{
  width:26px;height:26px;border-radius:50%;display:grid;place-items:center;color:var(--ink-3);
  border:1px solid var(--line);transition:all .2s var(--ease);
}
.notice__close:hover{color:var(--ink-1);border-color:var(--primary-line);}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;background:transparent;border-bottom:1px solid transparent;
  transition:background .28s var(--ease),border-color .28s var(--ease),backdrop-filter .28s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(7,10,18,.78);backdrop-filter:blur(14px);border-bottom-color:var(--line);
}
.header__inner{display:flex;align-items:center;justify-content:space-between;gap:28px;height:74px;}
.logo{display:flex;align-items:center;gap:12px;min-width:0;}
.logo__mark{
  width:40px;height:40px;border-radius:12px;flex:0 0 auto;display:grid;place-items:center;
  background:linear-gradient(140deg,rgba(0,230,168,.28),rgba(0,230,168,.06));
  border:1px solid var(--primary-line);box-shadow:0 0 18px rgba(0,230,168,.18);
}
.logo__mark svg{width:22px;height:22px;}
.logo__text{display:flex;flex-direction:column;line-height:1.25;min-width:0;}
.logo__name{font-size:16px;font-weight:700;color:var(--ink-1);white-space:nowrap;}
.logo__sub{font-size:11.5px;color:var(--ink-3);letter-spacing:.06em;white-space:nowrap;}
.nav{display:flex;align-items:center;gap:30px;}
.nav__link{
  font-size:15px;color:var(--ink-2);padding:8px 2px;position:relative;white-space:nowrap;
}
.nav__link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
  background:var(--primary);transform:scaleX(0);transform-origin:left;transition:transform .24s var(--ease);
}
.nav__link:hover{color:var(--ink-1);}
.nav__link:hover::after{transform:scaleX(1);}
.nav__link.is-active{color:var(--primary);}
.nav__link.is-active::after{transform:scaleX(1);box-shadow:0 0 10px rgba(0,230,168,.7);}
.header__actions{display:flex;align-items:center;gap:14px;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  background:var(--glass);place-items:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink-1);border-radius:2px;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink-1);border-radius:2px;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

.drawer-mask{
  position:fixed;inset:0;background:rgba(4,7,13,.68);backdrop-filter:blur(2px);
  opacity:0;visibility:hidden;transition:opacity .26s var(--ease),visibility .26s;z-index:90;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:min(320px,86vw);z-index:95;
  background:rgba(12,17,28,.94);backdrop-filter:blur(14px);
  border-left:1px solid var(--glass-line);padding:24px 22px;
  transform:translateX(102%);transition:transform .3s var(--ease);
  display:flex;flex-direction:column;gap:10px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px;}
.drawer__title{font-size:13px;color:var(--ink-3);letter-spacing:.1em;}
.drawer__close{width:34px;height:34px;border-radius:10px;border:1px solid var(--line);display:grid;place-items:center;color:var(--ink-2);}
.drawer__link{
  padding:14px 14px;border-radius:var(--r-14);font-size:15px;color:var(--ink-2);
  border:1px solid transparent;transition:all .2s var(--ease);
}
.drawer__link:hover,.drawer__link.is-active{
  color:var(--primary);background:var(--primary-soft);border-color:var(--primary-line);
}
.drawer .btn{margin-top:10px;justify-content:center;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;border-radius:var(--r-pill);
  padding:12px 24px;font-size:15px;font-weight:600;white-space:nowrap;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
}
.btn--primary{
  background:linear-gradient(135deg,var(--primary),#0FD79C);color:#04140F;box-shadow:var(--shadow-cta);
  border:1px solid rgba(255,255,255,.16);
}
.btn--primary:hover{background:var(--primary-hover);transform:translateY(-2px);box-shadow:0 0 0 1px rgba(0,230,168,.28) inset,0 14px 34px rgba(0,230,168,.28);}
.btn--primary:active{transform:translateY(0);background:var(--primary-pressed);box-shadow:0 0 0 1px rgba(0,230,168,.2) inset;}
.btn--glass{
  background:var(--glass);border:1px solid var(--glass-line);color:var(--ink-1);backdrop-filter:blur(10px);
}
.btn--glass:hover{border-color:var(--primary-line);color:var(--ink-1);transform:translateY(-2px);}
.btn--sm{padding:9px 18px;font-size:14px;}
.btn[disabled]{filter:saturate(.4);opacity:.6;pointer-events:none;}

/* ---------- 徽章 / 胶囊 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;font-size:13px;padding:3px 11px;border-radius:var(--r-pill);
  background:var(--primary-soft);color:var(--primary);border:1px solid var(--primary-line);white-space:nowrap;
}
.badge--accent{background:rgba(255,92,43,.14);color:var(--accent);border-color:rgba(255,92,43,.3);}
.badge--muted{background:rgba(255,255,255,.05);color:var(--ink-2);border-color:var(--line);}
.chips{display:flex;flex-wrap:wrap;gap:10px;}
.chip{
  font-size:13px;padding:7px 16px;border-radius:var(--r-pill);border:1px solid var(--line);
  background:var(--glass);color:var(--ink-2);transition:all .2s var(--ease);
}
.chip:hover,.chip.is-active{color:var(--primary);border-color:var(--primary-line);background:var(--primary-soft);}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;padding:64px 0 82px;}
.hero__bg{
  position:absolute;inset:-10% -5% 0;background:url("/assets/images/backpic/back-1.png") center/cover no-repeat;
  filter:blur(30px) saturate(1.05);opacity:.32;transform:scale(1.08);z-index:0;
}
.hero::after{
  content:"";position:absolute;left:50%;top:-220px;width:900px;height:520px;transform:translateX(-50%);
  background:radial-gradient(closest-side,rgba(0,230,168,.22),rgba(0,230,168,0));z-index:0;pointer-events:none;
}
.hero__inner{position:relative;z-index:1;display:grid;grid-template-columns:1.02fr .98fr;gap:52px;align-items:center;}
.hero__eyebrow{
  display:inline-flex;align-items:center;gap:10px;font-size:13px;color:var(--primary);
  background:var(--primary-soft);border:1px solid var(--primary-line);border-radius:var(--r-pill);padding:5px 14px;
}
.hero h1{font-size:clamp(28px,4vw,44px);line-height:1.22;font-weight:700;margin:20px 0 16px;letter-spacing:0;}
.hero h1 em{font-style:normal;color:var(--primary);}
.hero__lead{font-size:16px;color:var(--ink-2);max-width:520px;margin-bottom:28px;}
.hero__cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px;}
.hero__stats{display:flex;flex-wrap:wrap;gap:10px;}
.stat-pill{
  display:flex;flex-direction:column;gap:2px;padding:10px 18px;border-radius:var(--r-14);
  background:var(--glass);border:1px solid var(--glass-line);backdrop-filter:blur(10px);
}
.stat-pill b{font-family:var(--font-num);font-size:19px;color:var(--primary);line-height:1.2;}
.stat-pill span{font-size:12.5px;color:var(--ink-3);}

.reel-cluster{display:grid;grid-template-columns:1.18fr .82fr;gap:16px;align-items:start;}
.reel-col{display:flex;flex-direction:column;gap:16px;}
.reel{
  position:relative;display:block;border-radius:var(--r-28);overflow:hidden;
  border:1px solid var(--line);background:var(--bg-2);box-shadow:var(--shadow-card);
  transition:transform .24s var(--ease),border-color .24s var(--ease);
}
.reel:hover{transform:translateY(-4px);border-color:var(--primary-line);}
.reel__img{width:100%;aspect-ratio:9/16;object-fit:cover;transition:transform .34s var(--ease);}
.reel:hover .reel__img{transform:scale(1.04);}
.reel--tall .reel__img{aspect-ratio:9/16;}
.reel--short .reel__img{aspect-ratio:9/13;}
.reel__shade{
  position:absolute;inset:auto 0 0 0;height:62%;
  background:linear-gradient(180deg,rgba(7,10,18,0),rgba(7,10,18,.92));pointer-events:none;
}
.reel__play{
  position:absolute;left:50%;top:44%;transform:translate(-50%,-50%);
  width:56px;height:56px;border-radius:50%;display:grid;place-items:center;
  background:rgba(255,255,255,.08);backdrop-filter:blur(10px);border:1px solid var(--primary-line);
  box-shadow:0 0 22px rgba(0,230,168,.22);
}
.reel__play svg{width:20px;height:20px;margin-left:3px;}
.reel__tag{position:absolute;left:12px;top:12px;}
.reel__dur{
  position:absolute;right:12px;bottom:12px;font-size:12.5px;padding:2px 9px;border-radius:var(--r-pill);
  background:rgba(255,92,43,.9);color:#fff;font-family:var(--font-num);
}
.reel__body{position:absolute;left:16px;right:16px;bottom:14px;}
.reel__body h3{
  font-size:15.5px;font-weight:600;color:var(--ink-1);line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.reel__meta{margin-top:6px;font-size:12.5px;color:var(--ink-3);display:flex;align-items:center;gap:8px;}

/* ---------- 爆款片段网格 ---------- */
.reel-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.scroll-hint{display:none;}

/* ---------- 编号清单 ---------- */
.rank-list{border-top:1px solid var(--line);}
.rank-row{
  display:grid;grid-template-columns:64px 1fr 96px 32px;align-items:center;gap:20px;
  padding:20px 8px;border-bottom:1px solid var(--line);transition:background .2s var(--ease);
}
.rank-row:hover{background:rgba(255,255,255,.03);}
.rank-row__num{font-family:var(--font-num);font-size:22px;color:var(--primary);opacity:.85;}
.rank-row__title{font-size:17px;color:var(--ink-1);font-weight:600;margin-bottom:4px;}
.rank-row__desc{font-size:14px;color:var(--ink-3);}
.rank-row__thumb{
  width:96px;height:64px;border-radius:var(--r-14);object-fit:cover;border:1px solid var(--line);
}
.rank-row__arrow{color:var(--ink-3);transition:transform .22s var(--ease),color .22s var(--ease);justify-self:end;}
.rank-row:hover .rank-row__arrow{transform:translateX(4px);color:var(--primary);}

/* ---------- Bento 能力 ---------- */
.bento{display:grid;grid-template-columns:1.15fr .85fr;gap:20px;}
.bento__main{
  position:relative;border-radius:var(--r-20);overflow:hidden;border:1px solid var(--line);
  min-height:340px;display:flex;align-items:flex-end;box-shadow:var(--shadow-card);
}
.bento__main img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.5;}
.bento__main::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,10,18,.15),rgba(7,10,18,.92));}
.bento__panel{
  position:relative;z-index:1;margin:20px;padding:22px;border-radius:var(--r-14);
  background:var(--glass);backdrop-filter:blur(14px);border:1px solid var(--glass-line);
}
.bento__panel h3{font-size:20px;margin-bottom:10px;}
.bento__panel p{font-size:14.5px;color:var(--ink-2);}
.bento__side{display:grid;grid-template-rows:1fr 1fr;gap:20px;}
.bento-card{
  border-radius:var(--r-20);border:1px solid var(--line);background:var(--bg-2);
  padding:24px;display:flex;gap:16px;align-items:flex-start;
  transition:transform .24s var(--ease),border-color .24s var(--ease);
}
.bento-card:hover{transform:translateY(-4px);border-color:var(--primary-line);}
.icon-box{
  width:44px;height:44px;border-radius:12px;flex:0 0 auto;display:grid;place-items:center;
  background:var(--primary-soft);border:1px solid var(--primary-line);
}
.icon-box svg{width:22px;height:22px;}
.bento-card h3{font-size:17px;margin-bottom:6px;}
.bento-card p{font-size:14px;color:var(--ink-3);}

/* ---------- 资讯列表（CMS） ---------- */
.news-grid{display:grid;grid-template-columns:1.25fr 1fr;gap:24px;}
.news-lead{
  border-radius:var(--r-20);overflow:hidden;border:1px solid var(--line);background:var(--bg-2);
  box-shadow:var(--shadow-card);display:flex;flex-direction:column;
  transition:transform .24s var(--ease),border-color .24s var(--ease);
}
.news-lead:hover{transform:translateY(-4px);border-color:var(--primary-line);}
.news-lead__cover{position:relative;overflow:hidden;}
.news-lead__cover img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .34s var(--ease);}
.news-lead:hover .news-lead__cover img{transform:scale(1.04);}
.news-lead__cover .badge{position:absolute;left:14px;top:14px;}
.news-lead__body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.news-lead__body h3{font-size:20px;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-lead__body p{font-size:14.5px;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.news-side{display:grid;grid-template-rows:repeat(3,1fr);gap:20px;}
.news-card{
  display:grid;grid-template-columns:132px 1fr;gap:16px;border-radius:var(--r-20);
  border:1px solid var(--line);background:var(--bg-2);overflow:hidden;padding:14px;
  transition:transform .24s var(--ease),border-color .24s var(--ease);
}
.news-card:hover{transform:translateY(-4px);border-color:var(--primary-line);}
.news-card__cover{overflow:hidden;border-radius:var(--r-14);}
.news-card__cover img{width:132px;height:96px;object-fit:cover;transition:transform .34s var(--ease);}
.news-card:hover .news-card__cover img{transform:scale(1.04);}
.news-card__body{display:flex;flex-direction:column;gap:8px;min-width:0;}
.news-card__body h3{font-size:15.5px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-card__body p{font-size:13.5px;color:var(--ink-3);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--ink-3);flex-wrap:wrap;}
.news-meta .sep{opacity:.5;}
.news-empty{
  grid-column:1/-1;display:flex;flex-direction:column;align-items:center;gap:14px;
  padding:56px 24px;border:1px dashed var(--line);border-radius:var(--r-20);background:var(--bg-1);
  color:var(--ink-3);text-align:center;
}
.news-empty svg{width:34px;height:34px;color:var(--primary);opacity:.8;}
.pager{display:flex;justify-content:center;gap:8px;margin-top:34px;}
.pager span,.pager a{
  min-width:38px;height:38px;display:grid;place-items:center;border-radius:12px;font-size:14px;
  border:1px solid var(--line);background:var(--glass);color:var(--ink-2);font-family:var(--font-num);
}
.pager .is-current{background:var(--primary-soft);border-color:var(--primary-line);color:var(--primary);}

/* ---------- 口碑横滚 ---------- */
.rail-wrap{position:relative;}
.rail{
  display:flex;gap:18px;overflow-x:auto;padding:6px 4px 18px;scroll-snap-type:x mandatory;
  scrollbar-width:thin;scrollbar-color:rgba(255,255,255,.16) transparent;
}
.rail::-webkit-scrollbar{height:6px;}
.rail::-webkit-scrollbar-thumb{background:rgba(255,255,255,.16);border-radius:6px;}
.rail::-webkit-scrollbar-track{background:transparent;}
.quote-card{
  flex:0 0 320px;scroll-snap-align:start;border-radius:var(--r-20);border:1px solid var(--line);
  background:var(--bg-2);padding:22px;display:flex;flex-direction:column;gap:14px;
  transition:transform .24s var(--ease),border-color .24s var(--ease);
}
.quote-card:hover{transform:translateY(-4px);border-color:var(--primary-line);}
.quote-card__head{display:flex;align-items:center;gap:12px;}
.quote-card__head img{width:44px;height:44px;border-radius:50%;object-fit:cover;border:1px solid var(--glass-line);}
.quote-card__name{font-size:15px;color:var(--ink-1);font-weight:600;}
.quote-card__role{font-size:12.5px;color:var(--ink-3);}
.quote-card p{font-size:14.5px;color:var(--ink-2);}
.stars{display:flex;gap:3px;color:var(--accent);font-size:13px;}

/* ---------- FAQ ---------- */
.faq{max-width:900px;margin:0 auto;display:flex;flex-direction:column;gap:14px;}
.faq-item{
  border-radius:var(--r-14);border:1px solid var(--glass-line);background:var(--glass);
  backdrop-filter:blur(12px);overflow:hidden;transition:border-color .24s var(--ease);
}
.faq-item.is-open{border-color:var(--primary-line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;text-align:left;font-size:16px;color:var(--ink-1);font-weight:600;
  border-left:3px solid transparent;transition:border-color .24s var(--ease);
}
.faq-item.is-open .faq-q{border-left-color:var(--primary);}
.faq-q__icon{
  width:26px;height:26px;flex:0 0 auto;border-radius:50%;display:grid;place-items:center;
  border:1px solid var(--line);color:var(--primary);font-size:17px;line-height:1;
  transition:transform .26s var(--ease);
}
.faq-item.is-open .faq-q__icon{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease);}
.faq-a p{padding:0 22px 20px;font-size:14.5px;color:var(--ink-2);}

/* ---------- 底部 CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.cta-band__bg{
  position:absolute;inset:0;background:url("/assets/images/backpic/back-3.png") center/cover no-repeat;
  filter:brightness(.35) saturate(1.05);z-index:0;
}
.cta-band::after{
  content:"";position:absolute;right:-120px;top:-140px;width:520px;height:520px;z-index:0;
  background:radial-gradient(closest-side,rgba(0,230,168,.28),rgba(0,230,168,0));
}
.cta-band__inner{
  position:relative;z-index:1;display:grid;grid-template-columns:1.3fr .7fr;gap:36px;align-items:center;
  padding:70px 0;
}
.cta-band h2{font-size:clamp(22px,2.8vw,32px);margin-bottom:12px;}
.cta-band p{font-size:15px;color:var(--ink-2);max-width:560px;}
.cta-band__action{display:flex;justify-content:flex-end;gap:14px;flex-wrap:wrap;}

/* ---------- Footer ---------- */
.site-footer{background:var(--bg-1);position:relative;padding:64px 0 26px;}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,var(--primary),rgba(0,230,168,0));
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand__name{font-size:16px;font-weight:700;color:var(--ink-1);}
.footer-brand__sub{font-size:12px;color:var(--ink-3);}
.footer-col h4{font-size:14px;color:var(--ink-1);margin-bottom:16px;letter-spacing:.04em;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:var(--ink-3);}
.footer-col a:hover{color:var(--primary);}
.footer-text{font-size:13.5px;color:var(--ink-3);max-width:320px;}
.qr{
  width:104px;height:104px;border-radius:var(--r-14);background:var(--glass);border:1px solid var(--glass-line);
  display:grid;place-items:center;color:var(--ink-3);font-size:12px;text-align:center;line-height:1.5;
  backdrop-filter:blur(10px);margin-bottom:12px;
}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--ink-3);
}
.footer-bottom a:hover{color:var(--primary);}

/* ---------- 悬浮条 ---------- */
.float-cta{
  position:fixed;right:28px;bottom:28px;z-index:70;display:flex;align-items:center;gap:12px;
  padding:12px 18px;border-radius:var(--r-pill);background:rgba(12,17,28,.86);
  border:1px solid var(--glass-line);backdrop-filter:blur(14px);box-shadow:0 12px 34px rgba(0,0,0,.45);
}
.float-cta span{font-size:13.5px;color:var(--ink-2);}

/* ---------- 入场动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .32s var(--ease),transform .32s var(--ease);}
.reveal.is-in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .hero__inner{gap:40px;}
  .reel-grid{grid-template-columns:repeat(3,1fr);}
}
@media (max-width:1023px){
  .section{padding:64px 0;}
  .nav{display:none;}
  .nav-toggle{display:grid;}
  .header__inner{height:68px;}
  .hero{padding:44px 0 64px;}
  .hero__inner{grid-template-columns:1fr;gap:40px;}
  .bento{grid-template-columns:1fr;}
  .bento__main{min-height:280px;}
  .news-grid{grid-template-columns:1fr;}
  .news-side{grid-template-rows:none;grid-template-columns:1fr 1fr;gap:18px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .cta-band__inner{grid-template-columns:1fr;padding:56px 0;}
  .cta-band__action{justify-content:flex-start;}
}
@media (max-width:767px){
  .container{padding:0 18px;}
  .section{padding:48px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:26px;}
  .notice__inner{font-size:12.5px;}
  .notice__text{white-space:normal;line-height:1.5;}
  .reel-cluster{grid-template-columns:1fr;}
  .reel-col{flex-direction:row;overflow-x:auto;gap:14px;padding-bottom:6px;}
  .reel-col .reel{flex:0 0 62%;}
  .reel-grid{
    display:flex;overflow-x:auto;gap:16px;padding:4px 2px 16px;scroll-snap-type:x mandatory;
  }
  .reel-grid .reel{flex:0 0 68%;scroll-snap-align:start;}
  .scroll-hint{display:flex;align-items:center;gap:6px;font-size:12.5px;color:var(--ink-3);margin-top:4px;}
  .rank-row{grid-template-columns:48px 1fr 24px;gap:14px;padding:16px 4px;}
  .rank-row__thumb{display:none;}
  .news-card{grid-template-columns:1fr;padding:12px;}
  .news-card__cover img{width:100%;height:170px;}
  .news-side{grid-template-columns:1fr;}
  .quote-card{flex:0 0 84%;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .float-cta{
    right:14px;left:14px;justify-content:space-between;
    bottom:calc(14px + env(safe-area-inset-bottom));
  }
  .cta-band__action .btn{width:100%;justify-content:center;}
  .hero__cta .btn{flex:1 1 auto;justify-content:center;}
}
@media (max-width:480px){
  .hero h1{font-size:26px;}
  .stat-pill{flex:1 1 46%;}
  .reel-grid .reel{flex:0 0 82%;}
  .logo__sub{display:none;}
}

/* roulang page: article */
:root{
  --bg-0:#070A12;
  --bg-1:#0C111C;
  --bg-2:#131B2A;
  --primary:#00E6A8;
  --primary-h:#22F7BB;
  --primary-p:#00B888;
  --primary-soft:rgba(0,230,168,.12);
  --accent:#FF5C2B;
  --accent-2:#7C8CFF;
  --ink-1:#F2F5FA;
  --ink-2:#A9B5C9;
  --ink-3:#6C7A91;
  --line:rgba(255,255,255,.08);
  --line-2:rgba(255,255,255,.14);
  --glass:rgba(255,255,255,.05);
  --glass-line:rgba(255,255,255,.10);
  --r-8:8px;
  --r-12:12px;
  --r-14:14px;
  --r-20:20px;
  --r-28:28px;
  --shadow-card:0 8px 24px rgba(0,0,0,.35);
  --shadow-glow:0 8px 28px rgba(0,230,168,.18);
  --ease:cubic-bezier(.22,.61,.36,1);
  --container:1200px;
  --font-cn:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  --font-num:"DIN Alternate","Barlow",ui-monospace,SFMono-Regular,Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--ink-2);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button,input,textarea,select{font-family:inherit;font-size:inherit;color:inherit;}
button{background:none;border:0;cursor:pointer;}
h1,h2,h3,h4{margin:0;color:var(--ink-1);font-weight:700;letter-spacing:0;}
p{margin:0 0 1.2em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;letter-spacing:.02em;}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;font-size:15px;font-weight:600;line-height:1;
  padding:13px 26px;white-space:nowrap;cursor:pointer;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),background .24s var(--ease),border-color .24s var(--ease),color .24s var(--ease);
}
.btn--primary{
  background:linear-gradient(135deg,var(--primary) 0%,#12d3a0 100%);
  color:#04140F;
  box-shadow:inset 0 0 0 1px rgba(0,230,168,.18),var(--shadow-glow);
}
.btn--primary:hover{background:linear-gradient(135deg,var(--primary-h) 0%,#1be8b2 100%);transform:translateY(-2px);box-shadow:inset 0 0 0 1px rgba(0,230,168,.28),0 12px 34px rgba(0,230,168,.28);}
.btn--primary:active{transform:translateY(0);background:linear-gradient(135deg,var(--primary-p) 0%,#0fb98c 100%);}
.btn--ghost{
  background:var(--glass);border:1px solid var(--glass-line);color:var(--ink-1);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
}
.btn--ghost:hover{border-color:rgba(0,230,168,.5);color:var(--ink-1);transform:translateY(-2px);}
.btn--sm{padding:10px 20px;font-size:14px;}
.btn--block{width:100%;}
.btn--disabled,.btn[disabled]{opacity:.6;filter:saturate(40%);cursor:not-allowed;transform:none;}
.link-more{
  display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-size:14px;font-weight:600;
  position:relative;
}
.link-more::after{
  content:"";position:absolute;left:0;bottom:-3px;height:1px;width:0;background:var(--primary);
  transition:width .28s var(--ease);
}
.link-more:hover::after{width:100%;}

.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;font-size:13px;font-weight:600;line-height:1.6;
  background:var(--primary-soft);color:var(--primary);
}
.badge--accent{background:rgba(255,92,43,.14);color:var(--accent);}
.badge--muted{background:rgba(255,255,255,.06);color:var(--ink-2);}

/* ---------- header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  background:transparent;border-bottom:1px solid transparent;
  transition:background .3s var(--ease),border-color .3s var(--ease),backdrop-filter .3s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(9,13,22,.82);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
}
.header__inner{display:flex;align-items:center;justify-content:space-between;gap:28px;height:74px;}
.logo{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.logo__mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;flex-shrink:0;
  background:radial-gradient(circle at 30% 20%,rgba(0,230,168,.22),rgba(0,230,168,.04));
  border:1px solid rgba(0,230,168,.28);
}
.logo__mark svg{width:22px;height:22px;}
.logo__text{display:flex;flex-direction:column;line-height:1.25;}
.logo__name{font-size:17px;font-weight:700;color:var(--ink-1);letter-spacing:.01em;}
.logo__sub{font-size:11px;color:var(--ink-3);letter-spacing:.06em;}
.nav{display:flex;align-items:center;gap:30px;}
.nav__link{
  position:relative;font-size:15px;color:var(--ink-2);padding:6px 0;
  transition:color .16s var(--ease);
}
.nav__link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;
  background:var(--primary);transform:scaleX(0);transform-origin:left;transition:transform .24s var(--ease);
}
.nav__link:hover{color:var(--ink-1);}
.nav__link.is-active{color:var(--primary);}
.nav__link.is-active::after{transform:scaleX(1);box-shadow:0 0 10px rgba(0,230,168,.8);}
.header__actions{display:flex;align-items:center;gap:14px;}
.nav-toggle{display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--glass-line);background:var(--glass);position:relative;}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  position:absolute;left:11px;width:20px;height:2px;border-radius:2px;background:var(--ink-1);
  transition:transform .24s var(--ease),opacity .2s var(--ease);
}
.nav-toggle span{top:20px;}
.nav-toggle span::before{content:"";left:0;top:-6px;}
.nav-toggle span::after{content:"";left:0;top:6px;}
body.nav-open .nav-toggle span{transform:rotate(45deg);}
body.nav-open .nav-toggle span::before{transform:rotate(-90deg);top:0;}
body.nav-open .nav-toggle span::after{opacity:0;}

main{padding-top:74px;}

/* ---------- breadcrumb ---------- */
.crumb-bar{padding:22px 0 0;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);}
.crumb a{color:var(--ink-3);transition:color .2s var(--ease);}
.crumb a:hover{color:var(--primary);}
.crumb__sep{color:rgba(255,255,255,.22);}
.crumb__now{color:var(--ink-2);max-width:52ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;display:inline-block;vertical-align:bottom;}

/* ---------- article header ---------- */
.article-head{padding:26px 0 34px;border-bottom:1px solid var(--line);}
.article-head__eyebrow{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:16px;}
.article-head h1{
  font-size:clamp(26px,3.6vw,40px);line-height:1.28;font-weight:700;max-width:22ch;
}
.article-head__lead{margin-top:18px;max-width:760px;color:var(--ink-2);font-size:16px;}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:22px;
  font-size:13px;color:var(--ink-3);
}
.article-meta__dot{width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.2);}
.article-meta .num{color:var(--ink-2);}

/* ---------- layout ---------- */
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:48px;
  padding:44px 0 72px;align-items:start;
}
.article-main{min-width:0;}

/* ---------- article body ---------- */
.article-body{
  max-width:780px;font-size:16.5px;line-height:1.85;color:#C4CEDE;
}
.article-body > *:first-child{margin-top:0;}
.article-body h2{
  position:relative;font-size:clamp(20px,2.3vw,26px);line-height:1.35;margin:2.2em 0 .9em;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:3px;
  background:linear-gradient(180deg,var(--primary),rgba(0,230,168,.15));
  box-shadow:0 0 12px rgba(0,230,168,.45);
}
.article-body h3{font-size:18px;margin:1.8em 0 .7em;color:var(--ink-1);}
.article-body p{margin:0 0 1.2em;}
.article-body a{color:var(--primary);position:relative;}
.article-body a::after{content:"";position:absolute;left:0;bottom:-2px;height:1px;width:0;background:var(--primary);transition:width .26s var(--ease);}
.article-body a:hover::after{width:100%;}
.article-body img{border-radius:var(--r-14);margin:1.4em 0 .6em;}
.article-body figure{margin:1.6em 0;}
.article-body figcaption{font-size:13px;color:var(--ink-3);text-align:center;margin-top:8px;}
.article-body blockquote{
  margin:1.6em 0;padding:20px 22px;border-left:3px solid var(--primary);border-radius:0 var(--r-14) var(--r-14) 0;
  background:var(--glass);border-top:1px solid var(--glass-line);border-right:1px solid var(--glass-line);border-bottom:1px solid var(--glass-line);
  color:var(--ink-2);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body ul,.article-body ol{margin:1.2em 0;padding-left:0;}
.article-body ul li,.article-body ol li{position:relative;padding-left:22px;margin-bottom:.55em;}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.72em;width:7px;height:7px;border-radius:2px;background:var(--primary);box-shadow:0 0 8px rgba(0,230,168,.5);
}
.article-body ol{counter-reset:li;}
.article-body ol li{counter-increment:li;}
.article-body ol li::before{
  content:counter(li,decimal-leading-zero);
  position:absolute;left:0;top:0;font-family:var(--font-num);font-size:13px;color:var(--primary);line-height:1.9;
}
.article-body table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:14.5px;background:var(--glass);border:1px solid var(--glass-line);border-radius:var(--r-14);overflow:hidden;}
.article-body th,.article-body td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--line);}
.article-body th{color:var(--ink-1);background:rgba(255,255,255,.04);font-weight:600;}
.article-body tr:nth-child(even) td{background:rgba(255,255,255,.02);}
.article-body td.num,.article-body th.num{font-family:var(--font-num);}
.article-body code{padding:2px 7px;border-radius:6px;background:rgba(255,255,255,.07);font-family:var(--font-num);font-size:14px;color:var(--primary);}
.article-body pre{
  margin:1.6em 0;padding:18px 20px;border-radius:var(--r-14);background:#080C15;border:1px solid var(--line);
  overflow-x:auto;font-family:var(--font-num);font-size:14px;line-height:1.7;color:#B9C6DA;
}
.article-body pre code{background:none;padding:0;color:inherit;}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2.4em 0;}

/* ---------- empty state ---------- */
.empty-state{
  max-width:780px;padding:48px 28px;border-radius:var(--r-20);border:1px solid var(--line);background:var(--bg-1);
  text-align:center;
}
.empty-state__icon{width:52px;height:52px;margin:0 auto 16px;border-radius:16px;display:grid;place-items:center;background:var(--primary-soft);border:1px solid rgba(0,230,168,.28);color:var(--primary);font-size:22px;}
.empty-state h2{font-size:20px;margin-bottom:10px;}
.empty-state p{color:var(--ink-3);margin-bottom:20px;}

/* ---------- tags & share ---------- */
.article-foot{max-width:780px;margin-top:48px;padding-top:28px;border-top:1px solid var(--line);}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;}
.tag-row__label{font-size:13px;color:var(--ink-3);margin-right:4px;}
.tag{
  padding:6px 14px;border-radius:999px;font-size:13px;color:var(--ink-2);
  background:rgba(255,255,255,.05);border:1px solid var(--line);transition:all .24s var(--ease);
}
.tag:hover{color:var(--primary);border-color:rgba(0,230,168,.45);background:var(--primary-soft);}
.share-row{display:flex;align-items:center;gap:10px;margin-top:22px;}
.share-row__label{font-size:13px;color:var(--ink-3);margin-right:4px;}
.share-btn{
  width:40px;height:40px;border-radius:50%;display:grid;place-items:center;font-size:13px;font-weight:700;
  background:var(--glass);border:1px solid var(--glass-line);color:var(--ink-2);
  transition:all .24s var(--ease);
}
.share-btn:hover{color:var(--primary);border-color:rgba(0,230,168,.5);transform:translateY(-2px);}

/* ---------- prev next ---------- */
.pager{display:grid;grid-template-columns:1fr 1fr;gap:20px;max-width:780px;margin-top:30px;}
.pager__card{
  display:block;padding:22px;border-radius:var(--r-20);border:1px solid var(--line);background:var(--bg-1);
  transition:transform .24s var(--ease),border-color .24s var(--ease),background .24s var(--ease);
}
.pager__card:hover{transform:translateY(-4px);border-color:rgba(0,230,168,.35);background:var(--bg-2);}
.pager__label{font-size:13px;color:var(--ink-3);display:block;margin-bottom:8px;}
.pager__title{font-size:16px;color:var(--ink-1);font-weight:600;line-height:1.55;display:block;}
.pager__time{display:block;margin-top:10px;font-size:12.5px;color:var(--ink-3);}
.pager__card--next{text-align:right;}

/* ---------- section ---------- */
.section{padding:72px 0;}
.section--tight{padding:56px 0;}
.section__head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:34px;}
.section__title{position:relative;padding-left:18px;font-size:clamp(21px,2.4vw,28px);line-height:1.3;}
.section__title::before{
  content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:4px;border-radius:3px;
  background:linear-gradient(180deg,var(--primary),rgba(0,230,168,.15));box-shadow:0 0 12px rgba(0,230,168,.45);
}
.section__desc{margin-top:10px;font-size:14px;color:var(--ink-3);max-width:56ch;}
.section__head--stack{display:block;}

/* ---------- related cards ---------- */
.rel-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;}
.card{
  display:flex;flex-direction:column;border-radius:var(--r-20);overflow:hidden;
  border:1px solid var(--line);background:var(--bg-1);
  transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.card:hover{transform:translateY(-4px);border-color:rgba(0,230,168,.3);box-shadow:var(--shadow-card);}
.card__media{position:relative;overflow:hidden;aspect-ratio:16/10;background:linear-gradient(135deg,rgba(0,230,168,.16),rgba(124,140,255,.14));}
.card__media img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease);}
.card:hover .card__media img{transform:scale(1.04);}
.card__media--tall{aspect-ratio:9/16;}
.card__body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card__title{font-size:16.5px;font-weight:600;color:var(--ink-1);line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card__excerpt{font-size:14px;color:var(--ink-2);line-height:1.75;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.card__foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;}
.card__time{font-size:12.5px;color:var(--ink-3);}
.card__pill{
  position:absolute;left:14px;top:14px;padding:4px 11px;border-radius:999px;font-size:12.5px;font-weight:600;
  background:rgba(7,10,18,.68);border:1px solid var(--glass-line);color:var(--ink-1);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
}
.card__pill--accent{background:rgba(255,92,43,.9);border-color:transparent;color:#211006;}

/* ---------- sidebar ---------- */
.sidebar{display:flex;flex-direction:column;gap:22px;position:sticky;top:96px;}
.panel{
  border-radius:var(--r-20);border:1px solid var(--glass-line);background:var(--glass);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);padding:22px;
}
.panel__title{font-size:15px;color:var(--ink-1);margin-bottom:16px;display:flex;align-items:center;gap:8px;}
.panel__title::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--primary);box-shadow:0 0 10px rgba(0,230,168,.8);}
.panel-list li{border-bottom:1px solid var(--line);}
.panel-list li:last-child{border-bottom:0;}
.panel-list a{
  display:flex;align-items:center;justify-content:space-between;gap:12px;padding:13px 0;font-size:14.5px;color:var(--ink-2);
  transition:color .2s var(--ease),padding .2s var(--ease);
}
.panel-list a:hover{color:var(--primary);padding-left:5px;}
.panel-list .idx{font-family:var(--font-num);font-size:12.5px;color:var(--ink-3);}
.panel-note{font-size:13px;color:var(--ink-3);line-height:1.8;}
.panel-cta{margin-top:6px;}

/* ---------- facts strip ---------- */
.fact-strip{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;max-width:780px;margin:34px 0 0;
}
.fact{
  padding:18px 20px;border-radius:var(--r-14);border:1px solid var(--line);background:var(--bg-1);
}
.fact__num{font-family:var(--font-num);font-size:22px;color:var(--primary);display:block;line-height:1.2;}
.fact__label{font-size:13px;color:var(--ink-3);display:block;margin-top:6px;}

/* ---------- CTA band ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-28);border:1px solid var(--glass-line);
  background-image:linear-gradient(90deg,rgba(7,10,18,.94),rgba(7,10,18,.7)),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  padding:52px 48px;display:grid;grid-template-columns:1.4fr 1fr;gap:32px;align-items:center;
}
.cta-band::after{
  content:"";position:absolute;right:-120px;top:-120px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(0,230,168,.22),transparent 68%);pointer-events:none;
}
.cta-band h2{font-size:clamp(21px,2.6vw,29px);line-height:1.35;}
.cta-band p{margin-top:12px;color:var(--ink-2);max-width:48ch;font-size:14.5px;}
.cta-band__actions{display:flex;flex-wrap:wrap;gap:14px;position:relative;z-index:2;}

/* ---------- faq ---------- */
.faq{max-width:860px;}
.faq__item{
  border-radius:var(--r-14);border:1px solid var(--glass-line);background:var(--glass);margin-bottom:12px;overflow:hidden;
  transition:border-color .24s var(--ease),background .24s var(--ease);
}
.faq__item.is-open{border-color:rgba(0,230,168,.35);background:rgba(0,230,168,.05);}
.faq__q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;text-align:left;
  padding:18px 20px;color:var(--ink-1);font-size:15.5px;font-weight:600;line-height:1.6;
}
.faq__icon{
  width:26px;height:26px;flex-shrink:0;border-radius:50%;display:grid;place-items:center;
  border:1px solid var(--glass-line);color:var(--primary);font-size:15px;transition:transform .28s var(--ease);
}
.faq__item.is-open .faq__icon{transform:rotate(45deg);}
.faq__a{padding:0 20px 20px;font-size:14.5px;color:var(--ink-2);display:none;border-left:3px solid transparent;}
.faq__item.is-open .faq__a{display:block;border-left-color:var(--primary);margin-left:0;padding-left:20px;}

/* ---------- footer ---------- */
.site-footer{
  margin-top:40px;padding-top:64px;background:var(--bg-1);position:relative;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(0,230,168,.5),transparent);
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px;}
.footer-brand{display:flex;align-items:flex-start;gap:12px;margin-bottom:16px;}
.footer-brand__name{display:block;font-size:16px;font-weight:700;color:var(--ink-1);}
.footer-brand__sub{display:block;font-size:12px;color:var(--ink-3);letter-spacing:.05em;margin-top:3px;}
.footer-text{font-size:13.5px;color:var(--ink-3);line-height:1.9;}
.footer-col h4{font-size:14px;color:var(--ink-1);margin-bottom:16px;}
.footer-col ul li{margin-bottom:11px;}
.footer-col ul a{font-size:14px;color:var(--ink-3);transition:color .2s var(--ease);}
.footer-col ul a:hover{color:var(--primary);}
.qr{
  width:120px;height:120px;border-radius:var(--r-14);border:1px solid var(--glass-line);background:var(--glass);
  display:grid;place-items:center;text-align:center;font-size:12px;color:var(--ink-3);line-height:1.7;margin-bottom:16px;
  padding:10px;
}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  padding:22px 0 30px;border-top:1px solid var(--line);font-size:13px;color:var(--ink-3);
}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(12px);}
.reveal.is-in{opacity:1;transform:none;transition:opacity .32s var(--ease),transform .32s var(--ease);}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .article-layout{grid-template-columns:minmax(0,1fr);gap:0;}
  .sidebar{position:static;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));}
  .rel-grid{grid-template-columns:repeat(3,minmax(0,1fr));}
}
@media (max-width:1023px){
  .header__inner{height:68px;}
  main{padding-top:68px;}
  .nav{display:none;}
  .nav-toggle{display:block;}
  body.nav-open .nav{
    display:flex;flex-direction:column;align-items:stretch;gap:6px;
    position:fixed;top:0;right:0;bottom:0;width:min(320px,84vw);z-index:70;
    background:rgba(11,16,26,.96);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
    border-left:1px solid var(--glass-line);padding:92px 24px 32px;
  }
  body.nav-open .nav__link{padding:14px 6px;font-size:16px;border-bottom:1px solid var(--line);}
  body.nav-open::after{
    content:"";position:fixed;inset:0;background:rgba(3,5,10,.6);z-index:65;
  }
  .section{padding:60px 0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-band{grid-template-columns:1fr;padding:40px 32px;}
}
@media (max-width:767px){
  .container{padding:0 18px;}
  .logo__sub{display:none;}
  .article-head h1{font-size:26px;max-width:none;}
  .article-body{font-size:16px;}
  .article-layout{padding:32px 0 56px;}
  .sidebar{grid-template-columns:1fr;}
  .pager{grid-template-columns:1fr;}
  .pager__card--next{text-align:left;}
  .rel-grid{grid-template-columns:1fr;}
  .fact-strip{grid-template-columns:1fr;gap:12px;}
  .section{padding:48px 0;}
  .section__head{display:block;}
  .section__head .link-more{margin-top:12px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .cta-band{padding:34px 22px;border-radius:var(--r-20);}
}
@media (max-width:480px){
  .article-body h2{font-size:19px;}
  .btn{padding:12px 20px;font-size:14px;}
  .article-head__eyebrow{gap:8px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms!important;transition-duration:.001ms!important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* roulang page: category1 */
:root{
  --bg-0:#070A12;
  --bg-1:#0C111C;
  --bg-2:#131B2A;
  --primary:#00E6A8;
  --primary-hover:#22F7BB;
  --primary-pressed:#00B888;
  --primary-soft:rgba(0,230,168,.12);
  --accent:#FF5C2B;
  --accent-2:#7C8CFF;
  --ink-1:#F2F5FA;
  --ink-2:#A9B5C9;
  --ink-3:#6C7A91;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --glass:rgba(255,255,255,.05);
  --r-sm:8px;
  --r-md:14px;
  --r-lg:20px;
  --r-xl:28px;
  --r-pill:999px;
  --shadow-card:0 8px 24px rgba(0,0,0,.35);
  --shadow-glow:0 0 0 1px rgba(0,230,168,.18) inset,0 8px 28px rgba(0,230,168,.18);
  --ease:cubic-bezier(.22,.61,.36,1);
  --mono:"DIN Alternate","Barlow",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--ink-2);
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;color:var(--ink-1);line-height:1.3;font-weight:700}
p{margin:0 0 1.2em}
p:last-child{margin-bottom:0}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px}
.container{width:min(1200px,100% - 40px);margin-inline:auto}
.num{font-family:var(--mono);font-variant-numeric:tabular-nums;letter-spacing:.02em}

/* ============ 公告条 ============ */
.notice{
  background:linear-gradient(90deg,rgba(0,230,168,.16),rgba(255,92,43,.12));
  border-bottom:1px solid var(--line);
  font-size:13px;
}
.notice__inner{display:flex;align-items:center;gap:12px;min-height:38px;padding:6px 0}
.notice__dot{width:8px;height:8px;border-radius:50%;background:var(--primary);box-shadow:0 0 10px var(--primary);flex:none}
.notice__text{color:var(--ink-2);flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.notice__text b{color:var(--ink-1);font-weight:600}
.notice__close{
  flex:none;width:24px;height:24px;border-radius:50%;border:1px solid var(--line);
  color:var(--ink-3);display:inline-flex;align-items:center;justify-content:center;font-size:14px;line-height:1;
  transition:border-color .2s var(--ease),color .2s var(--ease);
}
.notice__close:hover{border-color:var(--primary);color:var(--primary)}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:70;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background .3s var(--ease),border-color .3s var(--ease),backdrop-filter .3s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(7,10,18,.82);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom-color:var(--line);
}
.header__inner{display:flex;align-items:center;gap:32px;min-height:72px}
.logo{display:inline-flex;align-items:center;gap:12px;flex:none}
.logo__mark{
  width:38px;height:38px;flex:none;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,rgba(0,230,168,.18),rgba(255,92,43,.12));
  border:1px solid rgba(0,230,168,.32);
  box-shadow:0 0 18px rgba(0,230,168,.16);
}
.logo__mark svg{width:20px;height:20px}
.logo__text{display:flex;flex-direction:column;line-height:1.25}
.logo__name{color:var(--ink-1);font-weight:700;font-size:17px;letter-spacing:.4px}
.logo__sub{color:var(--ink-3);font-size:11px;letter-spacing:.6px}
.nav{display:flex;align-items:center;gap:30px;margin-left:auto}
.nav__link{
  position:relative;color:var(--ink-2);font-size:15px;padding:6px 0;
  transition:color .16s var(--ease);
}
.nav__link::after{
  content:"";position:absolute;left:0;right:100%;bottom:-2px;height:2px;border-radius:2px;
  background:var(--primary);transition:right .24s var(--ease);
}
.nav__link:hover{color:var(--ink-1)}
.nav__link.is-active{color:var(--primary)}
.nav__link.is-active::after{right:0}
.nav__link.is-active::before{
  content:"";position:absolute;left:-10px;top:50%;transform:translateY(-50%);
  width:6px;height:6px;border-radius:50%;background:var(--primary);box-shadow:0 0 8px var(--primary);
}
.header__actions{display:flex;align-items:center;gap:14px;flex:none}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  background:var(--glass);align-items:center;justify-content:center;
  transition:border-color .2s var(--ease);
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  display:block;width:16px;height:2px;border-radius:2px;background:var(--ink-1);
  transition:transform .24s var(--ease);
}
.nav-toggle span{position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0}
.nav-toggle span::before{top:-5px}
.nav-toggle span::after{top:5px}
.nav-toggle:hover{border-color:var(--primary)}
.nav-backdrop{
  display:none;position:fixed;inset:0;background:rgba(4,6,11,.68);z-index:55;
  -webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);
}
.nav-backdrop.is-open{display:block}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-pill);font-size:15px;font-weight:600;line-height:1;
  padding:13px 26px;border:1px solid transparent;white-space:nowrap;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),border-color .22s var(--ease),color .22s var(--ease);
}
.btn--sm{padding:10px 18px;font-size:14px}
.btn--primary{
  color:#04140F;
  background:linear-gradient(135deg,var(--primary-hover),var(--primary) 55%,var(--primary-pressed));
  box-shadow:var(--shadow-glow);
}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(0,230,168,.28) inset,0 12px 34px rgba(0,230,168,.3)}
.btn--primary:active{transform:translateY(0);background:var(--primary-pressed)}
.btn--ghost{
  color:var(--ink-1);
  background:var(--glass);
  border-color:var(--line-strong);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
}
.btn--ghost:hover{border-color:var(--primary);color:var(--primary-hover);transform:translateY(-2px)}
.btn--text{
  padding:0;border-radius:0;color:var(--primary);font-size:14px;
  position:relative;background:none;box-shadow:none;
}
.btn--text::after{
  content:"";position:absolute;left:0;bottom:-3px;height:1px;width:0;background:var(--primary);
  transition:width .26s var(--ease);
}
.btn--text:hover::after{width:100%}
.btn--icon{
  width:40px;height:40px;padding:0;border-radius:50%;
  border:1px solid var(--line-strong);background:var(--glass);color:var(--ink-2);
}
.btn--icon:hover{border-color:var(--primary);color:var(--primary)}

/* ============ 通用板块 ============ */
.section{padding:88px 0}
.section--tight{padding:64px 0}
.section__head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px}
.section__title{display:flex;align-items:center;gap:12px;font-size:clamp(22px,2.6vw,30px)}
.section__title::before{
  content:"";width:4px;height:26px;border-radius:3px;flex:none;
  background:linear-gradient(180deg,var(--primary),var(--primary-pressed));
  box-shadow:0 0 12px rgba(0,230,168,.5);
}
.section__desc{margin-top:10px;color:var(--ink-3);font-size:14px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--primary);
  background:var(--primary-soft);border:1px solid rgba(0,230,168,.24);
  border-radius:var(--r-pill);padding:5px 14px;
}
.badge{
  display:inline-flex;align-items:center;gap:6px;font-size:13px;line-height:1;padding:6px 12px;
  border-radius:var(--r-pill);background:var(--primary-soft);color:var(--primary);
  border:1px solid rgba(0,230,168,.2);
}
.badge--accent{background:rgba(255,92,43,.14);color:#FF8B63;border-color:rgba(255,92,43,.28)}
.badge--mute{background:var(--glass);color:var(--ink-2);border-color:var(--line)}

/* ============ 面包屑 ============ */
.crumb{padding:26px 0 0;font-size:13px;color:var(--ink-3)}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.crumb li{display:inline-flex;align-items:center;gap:8px}
.crumb li+li::before{content:"›";color:var(--ink-3)}
.crumb a{color:var(--ink-3);transition:color .2s var(--ease)}
.crumb a:hover{color:var(--primary)}
.crumb [aria-current]{color:var(--ink-2)}

/* ============ 分类首屏 ============ */
.cat-hero{
  position:relative;margin-top:20px;padding:64px 0 72px;
  border-radius:var(--r-xl);overflow:hidden;
  background-image:linear-gradient(140deg,rgba(7,10,18,.94),rgba(7,10,18,.72)),url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;
  border:1px solid var(--line);
}
.cat-hero::before{
  content:"";position:absolute;inset:-40% 40% 40% -20%;
  background:radial-gradient(circle,rgba(0,230,168,.22),transparent 62%);
  pointer-events:none;
}
.cat-hero__inner{position:relative;display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:48px;align-items:center}
.cat-hero h1{font-size:clamp(28px,4vw,44px);line-height:1.22;letter-spacing:0;margin:18px 0 16px}
.cat-hero h1 em{font-style:normal;color:var(--primary)}
.cat-hero__lead{font-size:17px;color:var(--ink-2);max-width:38ch;margin-bottom:28px}
.cat-hero__cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px}
.stats{display:flex;flex-wrap:wrap;gap:12px}
.stat{
  display:flex;flex-direction:column;gap:2px;padding:12px 18px;border-radius:var(--r-md);
  background:var(--glass);border:1px solid var(--line);min-width:118px;
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
}
.stat__num{font-family:var(--mono);font-size:22px;color:var(--ink-1);line-height:1.2}
.stat__num small{font-size:12px;color:var(--ink-3);margin-left:2px}
.stat__label{font-size:12px;color:var(--ink-3)}
.hero-visual{
  position:relative;border-radius:var(--r-xl);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow-card);
  aspect-ratio:16/11;
}
.hero-visual img{width:100%;height:100%;object-fit:cover;opacity:.92}
.hero-visual__glass{
  position:absolute;left:16px;right:16px;bottom:16px;
  padding:16px 18px;border-radius:var(--r-lg);
  background:rgba(12,17,28,.62);border:1px solid var(--line-strong);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
}
.hero-visual__glass h3{font-size:16px;margin-bottom:6px}
.hero-visual__glass p{font-size:13px;color:var(--ink-2);margin:0}
.hero-visual__time{font-family:var(--mono);color:var(--primary);font-size:13px}

/* ============ 左图右文两栏 ============ */
.split{display:grid;grid-template-columns:400px minmax(0,1fr);gap:44px;align-items:start}
.visual-card{
  position:sticky;top:100px;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line);background:var(--bg-1);box-shadow:var(--shadow-card);
}
.visual-card__media{position:relative;aspect-ratio:4/5;overflow:hidden}
.visual-card__media img{width:100%;height:100%;object-fit:cover}
.visual-card__media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 35%,rgba(7,10,18,.88));
}
.visual-card__tag{position:absolute;top:16px;left:16px;z-index:2}
.visual-card__body{position:absolute;left:0;right:0;bottom:0;z-index:2;padding:20px}
.visual-card__body h3{font-size:19px;margin-bottom:8px}
.visual-card__body p{font-size:13px;color:var(--ink-2);margin:0 0 12px}
.visual-card__meta{
  display:flex;align-items:center;gap:10px;font-size:12px;color:var(--ink-3);
  padding-top:12px;border-top:1px solid var(--line);
}
.visual-card__foot{padding:18px 20px 22px;border-top:1px solid var(--line)}
.visual-card__foot .btn{width:100%}

.prose-block{margin-bottom:28px}
.prose-block h3{font-size:19px;margin-bottom:10px;display:flex;align-items:center;gap:10px}
.prose-block h3::before{
  content:"";width:8px;height:8px;border-radius:50%;background:var(--primary);
  box-shadow:0 0 10px var(--primary);flex:none;
}
.prose-block p{color:var(--ink-2);margin:0}
.checklist{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 22px;margin-top:16px}
.checklist li{position:relative;padding-left:22px;font-size:14px;color:var(--ink-2)}
.checklist li::before{
  content:"";position:absolute;left:0;top:12px;width:10px;height:2px;border-radius:2px;background:var(--primary);
}

/* ============ 行列表 ============ */
.rowlist{margin-top:12px;border-top:1px solid var(--line)}
.rowlist__item{
  display:grid;grid-template-columns:76px minmax(0,1fr) 88px 20px;gap:18px;align-items:center;
  padding:16px 12px;border-bottom:1px solid var(--line);
  transition:background .22s var(--ease);
}
.rowlist__item:hover{background:rgba(255,255,255,.03)}
.rowlist__time{font-family:var(--mono);font-size:13px;color:var(--primary);text-align:left}
.rowlist__time span{display:block;color:var(--ink-3);font-size:11px;font-family:inherit}
.rowlist__main h4{font-size:16px;font-weight:600;margin-bottom:4px}
.rowlist__main p{font-size:13px;color:var(--ink-3);margin:0}
.rowlist__thumb{
  width:88px;height:56px;border-radius:var(--r-sm);overflow:hidden;border:1px solid var(--line);
}
.rowlist__thumb img{width:100%;height:100%;object-fit:cover}
.rowlist__arrow{color:var(--ink-3);transition:transform .22s var(--ease),color .22s var(--ease)}
.rowlist__item:hover .rowlist__arrow{transform:translateX(4px);color:var(--primary)}

/* ============ 观看流程 ============ */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;position:relative}
.steps::before{
  content:"";position:absolute;top:22px;left:6%;right:6%;height:1px;
  background:linear-gradient(90deg,transparent,var(--line-strong) 12%,var(--line-strong) 88%,transparent);
}
.step{position:relative;padding-top:56px}
.step__num{
  position:absolute;top:0;left:0;width:44px;height:44px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  font-family:var(--mono);font-size:14px;color:var(--primary);
  background:var(--bg-2);border:1px solid rgba(0,230,168,.34);
  box-shadow:0 0 18px rgba(0,230,168,.16);
}
.step h3{font-size:17px;margin-bottom:8px}
.step p{font-size:13px;color:var(--ink-3);margin:0}

/* ============ 卡片网格（看点） ============ */
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card{
  border-radius:var(--r-lg);overflow:hidden;background:var(--bg-1);
  border:1px solid var(--line);box-shadow:var(--shadow-card);
  transition:transform .24s var(--ease),border-color .24s var(--ease);
}
.card:hover{transform:translateY(-4px);border-color:rgba(0,230,168,.3)}
.card__media{position:relative;aspect-ratio:16/10;overflow:hidden}
.card__media img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.card:hover .card__media img{transform:scale(1.04)}
.card__body{padding:20px}
.card__body h3{font-size:17px;margin-bottom:10px}
.card__body p{font-size:14px;color:var(--ink-2);margin:0}

/* ============ FAQ ============ */
.faq{max-width:880px;margin-inline:auto;display:grid;gap:12px}
.faq__item{
  border-radius:var(--r-md);border:1px solid var(--line);
  background:var(--glass);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  overflow:hidden;transition:border-color .24s var(--ease);
}
.faq__item.is-open{border-color:rgba(0,230,168,.34)}
.faq__q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;text-align:left;font-size:16px;font-weight:600;color:var(--ink-1);
}
.faq__item.is-open .faq__q{box-shadow:inset 3px 0 0 var(--primary)}
.faq__icon{
  flex:none;width:24px;height:24px;border-radius:50%;border:1px solid var(--line-strong);
  display:inline-flex;align-items:center;justify-content:center;color:var(--ink-2);
  transition:transform .28s var(--ease),border-color .24s var(--ease),color .24s var(--ease);
}
.faq__item.is-open .faq__icon{transform:rotate(45deg);border-color:var(--primary);color:var(--primary)}
.faq__a{max-height:0;overflow:hidden;transition:max-height .32s var(--ease)}
.faq__a p{padding:0 20px 20px;font-size:14px;color:var(--ink-2);margin:0}

/* ============ CTA ============ */
.cta{
  position:relative;border-radius:var(--r-xl);overflow:hidden;
  padding:56px 48px;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:32px;align-items:center;
  border:1px solid var(--line);
  background-image:linear-gradient(120deg,rgba(7,10,18,.92),rgba(7,10,18,.6)),url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
}
.cta::after{
  content:"";position:absolute;right:-10%;top:-60%;width:460px;height:460px;
  background:radial-gradient(circle,rgba(0,230,168,.2),transparent 65%);pointer-events:none;
}
.cta__content{position:relative}
.cta h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:12px}
.cta p{color:var(--ink-2);margin:0;font-size:15px}
.cta__actions{position:relative;display:flex;gap:14px;flex-wrap:wrap}

/* ============ 相关分类跳转 ============ */
.related{display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between}
.related__pills{display:flex;flex-wrap:wrap;gap:12px}
.pill-link{
  display:inline-flex;align-items:center;gap:10px;padding:12px 20px;border-radius:var(--r-pill);
  background:var(--glass);border:1px solid var(--line-strong);font-size:14px;color:var(--ink-1);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  transition:border-color .22s var(--ease),transform .22s var(--ease),color .22s var(--ease);
}
.pill-link:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px)}
.pill-link span{font-family:var(--mono);color:var(--ink-3);font-size:12px}
.related__btns{display:flex;gap:12px}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:40px;padding-top:64px;
  background:linear-gradient(180deg,rgba(19,27,42,.5),var(--bg-0));
  position:relative;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(0,230,168,.6),transparent);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px;padding-bottom:44px}
.footer-col h4{font-size:15px;margin-bottom:16px;color:var(--ink-1)}
.footer-col ul{display:grid;gap:10px}
.footer-col ul a{font-size:14px;color:var(--ink-2);transition:color .2s var(--ease)}
.footer-col ul a:hover{color:var(--primary)}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-brand__name{display:block;color:var(--ink-1);font-weight:700;font-size:16px}
.footer-brand__sub{display:block;color:var(--ink-3);font-size:11px;letter-spacing:.5px}
.footer-text{font-size:13px;color:var(--ink-3);line-height:1.8}
.qr{
  width:112px;height:112px;border-radius:var(--r-md);border:1px dashed var(--line-strong);
  background:var(--glass);display:flex;align-items:center;justify-content:center;text-align:center;
  font-size:12px;color:var(--ink-3);margin-bottom:14px;padding:8px;
}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  padding:20px 0 32px;border-top:1px solid var(--line);font-size:13px;color:var(--ink-3);
}

/* ============ 滚动入场 ============ */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .34s var(--ease),transform .34s var(--ease)}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .split{grid-template-columns:340px minmax(0,1fr);gap:32px}
}
@media (max-width:1023px){
  .cat-hero__inner{grid-template-columns:1fr;gap:32px}
  .cat-hero{padding:48px 0 56px}
  .split{grid-template-columns:1fr}
  .visual-card{position:static}
  .visual-card__media{aspect-ratio:16/9}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px 20px}
  .steps::before{display:none}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}
  .cta{grid-template-columns:1fr;padding:44px 32px}
}
@media (max-width:900px){
  .nav{
    position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);z-index:60;
    display:flex;flex-direction:column;align-items:flex-start;gap:0;
    margin:0;padding:88px 24px 32px;overflow-y:auto;
    background:rgba(12,17,28,.94);border-left:1px solid var(--line);
    -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
    transform:translateX(100%);transition:transform .32s var(--ease);
  }
  .nav.is-open{transform:translateX(0)}
  .nav__link{width:100%;padding:15px 4px;font-size:16px;border-bottom:1px solid var(--line)}
  .nav__link::after,.nav__link.is-active::before{display:none}
  .nav-toggle{display:inline-flex}
  .header__actions .btn--primary{display:none}
  .header__inner{gap:16px;min-height:64px}
}
@media (max-width:767px){
  .container{width:min(1200px,100% - 32px)}
  .section{padding:52px 0}
  .section--tight{padding:44px 0}
  .section__head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:26px}
  .cat-hero{margin-top:14px;border-radius:var(--r-lg)}
  .cat-hero h1{font-size:clamp(26px,7vw,32px)}
  .cat-hero__lead{font-size:15px;max-width:none}
  .stats{gap:10px}
  .stat{flex:1 1 42%;min-width:0;padding:10px 14px}
  .stat__num{font-size:19px}
  .rowlist__item{grid-template-columns:62px minmax(0,1fr) 60px;gap:12px;padding:14px 6px}
  .rowlist__thumb{width:60px;height:44px}
  .rowlist__arrow{display:none}
  .grid-3{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .checklist{grid-template-columns:1fr}
  .faq__q{font-size:15px;padding:16px 16px}
  .faq__a p{padding:0 16px 18px}
  .cta{padding:34px 22px;border-radius:var(--r-lg)}
  .cta__actions .btn{flex:1 1 100%}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px}
  .related{align-items:flex-start}
  .related__pills{width:100%}
  .pill-link{flex:1 1 100%;justify-content:space-between}
  .related__btns{width:100%}
  .related__btns .btn{flex:1}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}
@media (max-width:480px){
  body{font-size:15px}
  .logo__sub{display:none}
  .hero-visual{aspect-ratio:4/3}
  .hero-visual__glass{left:12px;right:12px;bottom:12px;padding:12px 14px}
  .visual-card__media{aspect-ratio:4/3}
  .visual-card__body{padding:16px}
}

/* roulang page: category2 */
:root{
  --bg-0:#070A12;
  --bg-1:#0C111C;
  --bg-2:#131B2A;
  --primary:#00E6A8;
  --primary-hover:#22F7BB;
  --primary-press:#00B888;
  --primary-soft:rgba(0,230,168,.12);
  --primary-line:rgba(0,230,168,.30);
  --accent:#FF5C2B;
  --accent-2:#7C8CFF;
  --ink-1:#F2F5FA;
  --ink-2:#A9B5C9;
  --ink-3:#6C7A91;
  --line:rgba(255,255,255,.08);
  --glass:rgba(255,255,255,.05);
  --glass-line:rgba(255,255,255,.10);
  --radius-s:8px;
  --radius-m:14px;
  --radius-l:20px;
  --radius-xl:28px;
  --shadow-card:0 8px 24px rgba(0,0,0,.35);
  --shadow-primary:0 0 0 1px rgba(0,230,168,.18),0 8px 28px rgba(0,230,168,.18);
  --ease:cubic-bezier(.22,.61,.36,1);
  --font-sans:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --font-num:"DIN Alternate","Barlow",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --container:1200px;
  --pad-section:88px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--ink-2);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0;color:var(--ink-1);line-height:1.35;font-weight:700}
p{margin:0}
ul,ol{margin:0;padding:0}
button{font-family:inherit;border:0;background:none;color:inherit;cursor:pointer}
input{font-family:inherit}
::selection{background:rgba(0,230,168,.28);color:#fff}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--primary);color:#04120D;padding:10px 16px;z-index:200;border-radius:0 0 8px 0;font-weight:700}
.skip-link:focus{left:0}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ---------- header ---------- */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:80;
  background:transparent;
  transition:background .3s var(--ease),border-color .3s var(--ease),backdrop-filter .3s var(--ease);
  border-bottom:1px solid transparent;
}
.site-header.is-scrolled{
  background:rgba(9,13,22,.78);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom-color:var(--line);
}
.header__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:76px;
}
.logo{display:flex;align-items:center;gap:12px;flex-shrink:0}
.logo__mark{
  width:38px;height:38px;
  display:flex;align-items:center;justify-content:center;
  border-radius:12px;
  background:linear-gradient(150deg,rgba(0,230,168,.22),rgba(0,230,168,.05));
  border:1px solid rgba(0,230,168,.28);
  box-shadow:0 0 20px rgba(0,230,168,.14);
}
.logo__mark svg{width:22px;height:22px}
.logo__text{display:flex;flex-direction:column;line-height:1.25}
.logo__name{color:var(--ink-1);font-size:17px;font-weight:700;letter-spacing:.4px}
.logo__sub{color:var(--ink-3);font-size:11.5px;letter-spacing:.6px}
.nav{display:flex;align-items:center;gap:32px}
.nav__link{
  position:relative;
  color:var(--ink-2);
  font-size:15px;
  padding:6px 0;
  transition:color .16s linear;
}
.nav__link::after{
  content:"";
  position:absolute;
  left:0;bottom:-2px;
  width:0;height:2px;
  background:var(--primary);
  border-radius:2px;
  transition:width .26s var(--ease);
}
.nav__link:hover{color:var(--ink-1)}
.nav__link.is-active{color:var(--primary)}
.nav__link.is-active::after{width:100%}
.nav__link.is-active::before{
  content:"";
  position:absolute;
  left:50%;bottom:-8px;
  width:6px;height:6px;
  margin-left:-3px;
  border-radius:50%;
  background:var(--primary);
  box-shadow:0 0 10px rgba(0,230,168,.9);
}
.header__actions{display:flex;align-items:center;gap:14px}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  border-radius:12px;
  border:1px solid var(--line);
  background:var(--glass);
  align-items:center;justify-content:center;
  flex-direction:column;
  gap:5px;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after{
  display:block;
  width:18px;height:2px;
  background:var(--ink-1);
  border-radius:2px;
  transition:transform .28s var(--ease),opacity .2s linear;
}
.nav-toggle span{position:relative}
.nav-toggle span::before{content:"";position:absolute;top:-6px;left:0}
.nav-toggle span::after{content:"";position:absolute;top:6px;left:0}
.nav-toggle.is-open span{background:transparent}
.nav-toggle.is-open span::before{transform:translateY(6px) rotate(45deg)}
.nav-toggle.is-open span::after{transform:translateY(-6px) rotate(-45deg)}
.nav-mask{
  position:fixed;inset:0;
  background:rgba(4,7,13,.66);
  backdrop-filter:blur(3px);
  opacity:0;visibility:hidden;
  transition:opacity .28s var(--ease),visibility .28s var(--ease);
  z-index:70;
}
.nav-mask.is-open{opacity:1;visibility:visible}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 24px;
  border-radius:999px;
  font-size:15px;
  font-weight:600;
  white-space:nowrap;
  transition:transform .24s var(--ease),background .24s var(--ease),box-shadow .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease);
}
.btn--sm{height:38px;padding:0 18px;font-size:14px}
.btn--primary{
  color:#04140E;
  background:linear-gradient(140deg,var(--primary-hover),var(--primary) 55%,#00CF97);
  box-shadow:var(--shadow-primary);
}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(0,230,168,.28),0 12px 34px rgba(0,230,168,.30)}
.btn--primary:active{transform:none;background:var(--primary-press);box-shadow:0 0 0 1px rgba(0,230,168,.2)}
.btn--ghost{
  color:var(--ink-1);
  background:var(--glass);
  border:1px solid var(--glass-line);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
}
.btn--ghost:hover{border-color:var(--primary-line);color:var(--ink-1);transform:translateY(-2px)}
.btn:disabled,.btn[disabled]{opacity:.45;filter:saturate(.4);pointer-events:none}
.text-link{
  color:var(--primary);
  font-size:14px;
  font-weight:600;
  position:relative;
  padding-bottom:2px;
}
.text-link::after{
  content:"";
  position:absolute;left:0;bottom:0;
  width:0;height:1px;background:currentColor;
  transition:width .26s var(--ease);
}
.text-link:hover::after{width:100%}

/* ---------- badges ---------- */
.badge{
  display:inline-flex;align-items:center;
  height:24px;padding:0 10px;
  border-radius:999px;
  font-size:12.5px;
  font-weight:600;
  color:var(--primary);
  background:var(--primary-soft);
  border:1px solid rgba(0,230,168,.22);
  letter-spacing:.4px;
}
.badge--accent{
  color:#FFD8C8;
  background:rgba(255,92,43,.14);
  border-color:rgba(255,92,43,.34);
}
.badge--muted{
  color:var(--ink-2);
  background:rgba(255,255,255,.05);
  border-color:var(--line);
}

/* ---------- page hero ---------- */
.page-hero{
  position:relative;
  padding:150px 0 76px;
  overflow:hidden;
  border-bottom:1px solid var(--line);
}
.page-hero__bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  filter:saturate(.7) brightness(.42);
  transform:scale(1.04);
}
.page-hero::after{
  content:"";
  position:absolute;inset:0;
  background:
    radial-gradient(900px 420px at 18% 0%,rgba(0,230,168,.20),transparent 62%),
    linear-gradient(180deg,rgba(7,10,18,.72),rgba(7,10,18,.96) 72%,var(--bg-0));
}
.page-hero__inner{position:relative;z-index:2;max-width:860px}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);margin-bottom:22px;flex-wrap:wrap}
.breadcrumb a{color:var(--ink-3);transition:color .2s var(--ease)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb span{color:rgba(108,122,145,.6)}
.breadcrumb em{font-style:normal;color:var(--ink-2)}
.page-hero h1{
  font-size:clamp(28px,4vw,44px);
  line-height:1.22;
  letter-spacing:0;
  margin:18px 0 16px;
}
.page-hero__lead{font-size:17px;color:var(--ink-2);max-width:640px}
.hero-metrics{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.metric{
  display:inline-flex;align-items:center;gap:8px;
  height:40px;padding:0 16px;
  border-radius:999px;
  background:var(--glass);
  border:1px solid var(--glass-line);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  font-size:13.5px;
  color:var(--ink-2);
}
.metric b{font-family:var(--font-num);font-size:17px;color:var(--primary);font-weight:700;letter-spacing:.5px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}

/* ---------- section ---------- */
.section{padding:var(--pad-section) 0;position:relative}
.section--tight{padding-top:56px}
.section--alt{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:44px;
}
.section-head h2{
  font-size:clamp(22px,2.6vw,30px);
  display:flex;align-items:center;gap:12px;
}
.section-head h2::before{
  content:"";
  width:4px;height:24px;
  border-radius:2px;
  background:var(--primary);
  box-shadow:0 0 12px rgba(0,230,168,.6);
  flex-shrink:0;
}
.section-sub{margin-top:10px;font-size:14.5px;color:var(--ink-3);max-width:660px}

/* ---------- timeline ---------- */
.timeline{list-style:none;position:relative;max-width:1040px}
.timeline__item{
  display:grid;
  grid-template-columns:92px 28px 1fr;
  gap:0 20px;
  align-items:start;
}
.timeline__time{
  font-family:var(--font-num);
  font-size:17px;
  color:var(--primary);
  text-align:right;
  padding-top:24px;
  letter-spacing:1px;
}
.timeline__node{position:relative;align-self:stretch;min-height:100%}
.timeline__node::before{
  content:"";
  position:absolute;
  left:50%;top:30px;bottom:-30px;
  width:2px;margin-left:-1px;
  background:linear-gradient(180deg,rgba(0,230,168,.55),rgba(0,230,168,.06));
}
.timeline__node::after{
  content:"";
  position:absolute;
  left:50%;top:26px;
  width:12px;height:12px;
  margin-left:-6px;
  border-radius:50%;
  background:var(--primary);
  box-shadow:0 0 0 5px rgba(0,230,168,.12),0 0 16px rgba(0,230,168,.7);
}
.timeline__item:last-child .timeline__node::before{background:linear-gradient(180deg,rgba(0,230,168,.5),rgba(0,230,168,0));bottom:60%}
.timeline__card{
  display:flex;
  gap:20px;
  align-items:center;
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:var(--radius-l);
  padding:22px 24px;
  margin-bottom:30px;
  box-shadow:var(--shadow-card);
  transition:transform .28s var(--ease),border-color .28s var(--ease),box-shadow .28s var(--ease);
}
.timeline__card:hover{
  transform:translateY(-4px);
  border-color:var(--primary-line);
  box-shadow:0 14px 36px rgba(0,0,0,.45);
}
.timeline__body{flex:1;min-width:0}
.timeline__body h3{font-size:19px;margin:12px 0 8px;line-height:1.5}
.timeline__body p{font-size:14.5px;color:var(--ink-2);line-height:1.8}
.timeline__thumb{
  flex-shrink:0;
  width:104px;height:104px;
  border-radius:var(--radius-m);
  overflow:hidden;
  border:1px solid var(--line);
  position:relative;
  background:linear-gradient(150deg,rgba(0,230,168,.14),rgba(19,27,42,.9));
}
.timeline__thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.timeline__card:hover .timeline__thumb img{transform:scale(1.08)}

/* ---------- channel list ---------- */
.channel-list{list-style:none;display:flex;flex-direction:column;gap:14px}
.channel-row{
  display:flex;
  align-items:center;
  gap:22px;
  padding:24px 26px;
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:var(--radius-l);
  box-shadow:var(--shadow-card);
  transition:transform .28s var(--ease),border-color .28s var(--ease),background .28s var(--ease);
}
.channel-row:hover{
  transform:translateY(-4px);
  border-color:var(--primary-line);
  background:#151E2F;
}
.channel-row__idx{
  font-family:var(--font-num);
  font-size:26px;
  font-weight:700;
  color:var(--primary);
  letter-spacing:1px;
  min-width:52px;
}
.channel-row__ico{
  width:52px;height:52px;
  border-radius:var(--radius-m);
  flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  background:var(--primary-soft);
  border:1px solid rgba(0,230,168,.22);
}
.channel-row__ico svg{width:24px;height:24px;stroke:var(--primary);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.channel-row__main{flex:1;min-width:0}
.channel-row__main h3{font-size:18px;margin-bottom:6px}
.channel-row__main p{font-size:14.5px;color:var(--ink-3);line-height:1.75}
.channel-row__arrow{
  flex-shrink:0;
  color:var(--ink-3);
  font-size:20px;
  transition:transform .28s var(--ease),color .28s var(--ease);
}
.channel-row:hover .channel-row__arrow{transform:translateX(4px);color:var(--primary)}

/* ---------- metrics panel ---------- */
.metrics-panel{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:20px;
  margin-bottom:34px;
}
.metric-card{
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:var(--radius-l);
  padding:26px 24px;
  box-shadow:var(--shadow-card);
}
.metric-card__num{
  font-family:var(--font-num);
  font-size:34px;
  font-weight:700;
  color:var(--ink-1);
  letter-spacing:1px;
  line-height:1.1;
}
.metric-card__num span{font-size:17px;color:var(--primary);margin-left:4px}
.metric-card__label{margin-top:8px;font-size:14px;color:var(--ink-2)}
.metric-card__bar{
  margin-top:16px;
  height:6px;
  border-radius:999px;
  background:rgba(255,255,255,.07);
  overflow:hidden;
}
.metric-card__bar i{
  display:block;height:100%;
  border-radius:999px;
  background:linear-gradient(90deg,var(--primary),var(--primary-hover));
  box-shadow:0 0 14px rgba(0,230,168,.5);
}
.metric-card--accent .metric-card__bar i{background:linear-gradient(90deg,#FF5C2B,#FF9166);box-shadow:0 0 14px rgba(255,92,43,.45)}

/* ---------- FAQ ---------- */
.faq{max-width:900px}
.faq__item{
  border:1px solid var(--line);
  background:var(--glass);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-radius:var(--radius-m);
  margin-bottom:14px;
  overflow:hidden;
  transition:border-color .28s var(--ease),background .28s var(--ease);
}
.faq__item.is-open{border-color:var(--primary-line);background:rgba(255,255,255,.06)}
.faq__q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:20px 22px;
  text-align:left;
  font-size:16.5px;
  font-weight:600;
  color:var(--ink-1);
  border-left:3px solid transparent;
  transition:border-color .28s var(--ease),color .2s var(--ease);
}
.faq__item.is-open .faq__q{border-left-color:var(--primary)}
.faq__q:hover{color:var(--primary-hover)}
.faq__ico{
  position:relative;
  width:22px;height:22px;
  flex-shrink:0;
  transition:transform .3s var(--ease);
}
.faq__ico::before,.faq__ico::after{
  content:"";
  position:absolute;
  background:var(--primary);
  border-radius:2px;
}
.faq__ico::before{left:0;top:10px;width:22px;height:2px}
.faq__ico::after{left:10px;top:0;width:2px;height:22px}
.faq__item.is-open .faq__ico{transform:rotate(45deg)}
.faq__a{
  max-height:0;
  overflow:hidden;
  transition:max-height .36s var(--ease);
}
.faq__a p{padding:0 22px 22px;font-size:15px;color:var(--ink-2);line-height:1.85}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;
  overflow:hidden;
  border-radius:var(--radius-xl);
  border:1px solid var(--line);
  padding:56px 48px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:36px;
  background:var(--bg-1);
}
.cta-band__bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-3.png');
  background-size:cover;
  background-position:center;
  filter:brightness(.34) saturate(.7);
  transform:scale(1.05);
}
.cta-band::after{
  content:"";
  position:absolute;inset:0;
  background:radial-gradient(600px 260px at 12% 50%,rgba(0,230,168,.22),transparent 65%),linear-gradient(90deg,rgba(12,17,28,.94),rgba(12,17,28,.72));
}
.cta-band__txt{position:relative;z-index:2;max-width:640px}
.cta-band__txt h2{font-size:clamp(21px,2.4vw,28px);margin-bottom:12px}
.cta-band__txt p{font-size:15px;color:var(--ink-2)}
.cta-band__act{position:relative;z-index:2;display:flex;gap:14px;flex-wrap:wrap}

/* ---------- cross nav ---------- */
.cross-nav{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:14px;
  padding:28px 30px;
  border-radius:var(--radius-l);
  border:1px solid var(--line);
  background:var(--bg-2);
  box-shadow:var(--shadow-card);
}
.cross-nav__title{font-size:14px;color:var(--ink-3);margin-right:6px}
.pill-link{
  display:inline-flex;align-items:center;gap:8px;
  height:42px;padding:0 20px;
  border-radius:999px;
  border:1px solid var(--glass-line);
  background:var(--glass);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  font-size:14.5px;
  color:var(--ink-1);
  transition:transform .24s var(--ease),border-color .24s var(--ease),color .24s var(--ease);
}
.pill-link:hover{transform:translateY(-2px);border-color:var(--primary-line);color:var(--primary)}
.pill-link.is-current{border-color:var(--primary-line);color:var(--primary);background:var(--primary-soft)}

/* ---------- footer ---------- */
.site-footer{
  background:var(--bg-1);
  border-top:1px solid transparent;
  position:relative;
  padding:64px 0 28px;
  margin-top:20px;
}
.site-footer::before{
  content:"";
  position:absolute;top:-1px;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(0,230,168,.65),transparent);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:40px;
  border-bottom:1px solid var(--line);
}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-brand__name{display:block;color:var(--ink-1);font-size:16px;font-weight:700}
.footer-brand__sub{display:block;color:var(--ink-3);font-size:11.5px;letter-spacing:.6px}
.footer-text{font-size:13.5px;color:var(--ink-3);line-height:1.85}
.footer-col h4{font-size:15px;margin-bottom:18px;color:var(--ink-1)}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:11px}
.footer-col ul a{font-size:14px;color:var(--ink-2);transition:color .2s var(--ease)}
.footer-col ul a:hover{color:var(--primary)}
.qr{
  width:112px;height:112px;
  border-radius:var(--radius-m);
  border:1px solid var(--glass-line);
  background:var(--glass);
  display:flex;align-items:center;justify-content:center;
  text-align:center;
  font-size:12.5px;
  color:var(--ink-3);
  line-height:1.7;
  margin-bottom:14px;
}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding-top:22px;
  font-size:13px;
  color:var(--ink-3);
  flex-wrap:wrap;
}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .34s var(--ease),transform .34s var(--ease)}
.reveal.is-visible{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  :root{--pad-section:76px}
}
@media (max-width:1023px){
  :root{--pad-section:64px}
  .nav{gap:22px}
  .nav__link{font-size:14.5px}
  .metrics-panel{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:900px){
  .nav-toggle{display:flex}
  .nav{
    position:fixed;
    top:0;right:0;
    height:100vh;
    width:min(330px,86vw);
    flex-direction:column;
    align-items:flex-start;
    justify-content:flex-start;
    gap:6px;
    padding:96px 26px 40px;
    background:rgba(12,17,28,.94);
    backdrop-filter:blur(18px);
    -webkit-backdrop-filter:blur(18px);
    border-left:1px solid var(--line);
    transform:translateX(102%);
    transition:transform .34s var(--ease);
    z-index:75;
    overflow-y:auto;
  }
  .nav.is-open{transform:none}
  .nav__link{
    width:100%;
    padding:14px 0;
    font-size:16px;
    border-bottom:1px solid var(--line);
  }
  .nav__link::after{display:none}
  .nav__link.is-active::before{display:none}
  .nav__link.is-active{padding-left:14px;border-left:3px solid var(--primary);border-bottom-color:var(--primary-line)}
  .header__actions .btn--sm{display:none}
  .page-hero{padding:126px 0 62px}
  .timeline__item{grid-template-columns:76px 24px 1fr;gap:0 14px}
  .timeline__time{font-size:15.5px;padding-top:22px}
  .timeline__card{padding:20px;gap:16px}
  .timeline__thumb{width:88px;height:88px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:40px 30px}
}
@media (max-width:767px){
  :root{--pad-section:52px}
  .container{padding:0 18px}
  body{font-size:15.5px}
  .header__inner{height:68px}
  .logo__sub{display:none}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:30px}
  .page-hero{padding:112px 0 52px}
  .page-hero__lead{font-size:15.5px}
  .hero-metrics{gap:10px}
  .metric{height:36px;padding:0 13px;font-size:12.5px}
  .metric b{font-size:15px}
  .hero-actions .btn{width:100%}
  .timeline__item{grid-template-columns:1fr;gap:8px}
  .timeline__node{display:none}
  .timeline__time{text-align:left;padding-top:0;font-size:14px}
  .timeline__time::before{content:"● ";color:var(--primary);font-size:11px;vertical-align:2px}
  .timeline__card{flex-direction:column;align-items:flex-start;margin-bottom:16px}
  .timeline__thumb{width:100%;height:150px}
  .timeline__body h3{font-size:17px}
  .channel-row{flex-wrap:wrap;gap:16px;padding:20px}
  .channel-row__idx{font-size:20px;min-width:34px}
  .channel-row__ico{width:44px;height:44px}
  .channel-row__main{flex-basis:100%;order:3}
  .channel-row__arrow{order:2;margin-left:auto}
  .metrics-panel{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .cross-nav{padding:22px}
  .cta-band{padding:32px 22px;border-radius:var(--radius-l)}
  .cta-band__act{width:100%}
  .cta-band__act .btn{width:100%}
}
@media (max-width:480px){
  .page-hero h1{font-size:25px}
  .section-head h2{font-size:21px}
  .metric-card__num{font-size:28px}
  .faq__q{font-size:15px;padding:17px 18px}
  .faq__a p{padding:0 18px 18px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition-duration:.01ms !important;scroll-behavior:auto !important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category3 */
:root{
  --bg-0:#070A12;
  --bg-1:#0C111C;
  --bg-2:#131B2A;
  --primary:#00E6A8;
  --primary-hover:#22F7BB;
  --primary-pressed:#00B888;
  --primary-soft:rgba(0,230,168,.12);
  --accent:#FF5C2B;
  --accent-2:#7C8CFF;
  --ink-1:#F2F5FA;
  --ink-2:#A9B5C9;
  --ink-3:#6C7A91;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.14);
  --glass:rgba(255,255,255,.05);
  --r-8:8px;
  --r-14:14px;
  --r-20:20px;
  --r-28:28px;
  --shadow-card:0 8px 24px rgba(0,0,0,.35);
  --shadow-primary:inset 0 0 0 1px rgba(0,230,168,.18),0 8px 28px rgba(0,230,168,.18);
  --ease:cubic-bezier(.22,.61,.36,1);
  --mono:"DIN Alternate","Barlow",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --font-cn:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--ink-2);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font-family:inherit;font-size:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
::selection{background:rgba(0,230,168,.28);color:#fff}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.num{font-family:var(--mono);font-variant-numeric:tabular-nums;letter-spacing:.02em}

/* ---------- 顶部公告条 ---------- */
.topbar{
  background:linear-gradient(90deg,rgba(0,230,168,.14),rgba(255,92,43,.10) 60%,rgba(0,230,168,.06));
  border-bottom:1px solid var(--line);
  font-size:13px;
  color:var(--ink-2);
}
.topbar__inner{display:flex;align-items:center;justify-content:center;gap:10px;min-height:40px;padding:6px 24px;text-align:center}
.topbar__dot{width:6px;height:6px;border-radius:50%;background:var(--primary);box-shadow:0 0 10px rgba(0,230,168,.8);flex:none}
.topbar strong{color:var(--ink-1);font-weight:600}
.topbar__close{
  position:absolute;right:20px;top:50%;transform:translateY(-50%);
  width:26px;height:26px;border-radius:50%;display:grid;place-items:center;
  color:var(--ink-3);background:var(--glass);border:1px solid var(--line);
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.topbar__close:hover{color:var(--ink-1);border-color:rgba(0,230,168,.4)}
.topbar{position:relative}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:90;
  background:rgba(7,10,18,.72);
  border-bottom:1px solid transparent;
  transition:background .3s var(--ease),border-color .3s var(--ease),backdrop-filter .3s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(9,13,22,.82);
  border-bottom-color:var(--line);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.header__inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:74px}
.logo{display:flex;align-items:center;gap:12px;flex:none}
.logo__mark{
  width:40px;height:40px;border-radius:12px;flex:none;
  display:grid;place-items:center;
  background:var(--primary-soft);
  border:1px solid rgba(0,230,168,.28);
  box-shadow:0 0 22px rgba(0,230,168,.16);
}
.logo__mark svg{width:22px;height:22px}
.logo__text{display:flex;flex-direction:column;line-height:1.25}
.logo__name{color:var(--ink-1);font-size:17px;font-weight:700;letter-spacing:.2px}
.logo__sub{color:var(--ink-3);font-size:11.5px;letter-spacing:.4px}

.nav{display:flex;align-items:center;gap:30px}
.nav__link{
  position:relative;
  color:var(--ink-2);font-size:15px;padding:8px 0;
  transition:color .16s var(--ease);
}
.nav__link::after{
  content:"";position:absolute;left:0;bottom:2px;height:2px;width:0;
  background:var(--primary);border-radius:2px;
  transition:width .22s var(--ease);
}
.nav__link:hover{color:var(--ink-1)}
.nav__link.is-active{color:var(--primary)}
.nav__link.is-active::after{width:22px;box-shadow:0 0 10px rgba(0,230,168,.9)}
.header__actions{display:flex;align-items:center;gap:14px;flex:none}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;
  padding:12px 24px;
  font-size:15px;font-weight:600;
  white-space:nowrap;
  transition:transform .2s var(--ease),box-shadow .24s var(--ease),background .24s var(--ease),border-color .24s var(--ease),color .24s var(--ease),opacity .2s var(--ease);
}
.btn--primary{
  color:#04140F;
  background:linear-gradient(135deg,var(--primary-hover),var(--primary) 55%,#00c794);
  box-shadow:var(--shadow-primary);
}
.btn--primary:hover{transform:translateY(-2px);box-shadow:inset 0 0 0 1px rgba(0,230,168,.3),0 12px 34px rgba(0,230,168,.3)}
.btn--primary:active{transform:translateY(0);background:var(--primary-pressed);box-shadow:inset 0 0 0 1px rgba(0,230,168,.25),0 6px 16px rgba(0,230,168,.18)}
.btn--ghost{
  color:var(--ink-1);
  background:var(--glass);
  border:1px solid var(--line-strong);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
}
.btn--ghost:hover{border-color:rgba(0,230,168,.55);color:#fff;transform:translateY(-2px)}
.btn--ghost:active{transform:translateY(0)}
.btn--sm{padding:9px 18px;font-size:14px}
.btn--text{
  padding:0;border-radius:0;color:var(--primary);font-weight:600;
  display:inline-flex;align-items:center;gap:6px;
}
.btn--text .arrow{transition:transform .22s var(--ease)}
.btn--text:hover .arrow{transform:translateX(4px)}
.btn[disabled]{opacity:.42;cursor:not-allowed;transform:none;box-shadow:none}

.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  border:1px solid var(--line-strong);background:var(--glass);
  position:relative;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after{
  position:absolute;left:50%;width:18px;height:2px;background:var(--ink-1);border-radius:2px;
  transform:translateX(-50%);
  transition:transform .24s var(--ease),opacity .2s var(--ease);
}
.nav-toggle span{top:20px}
.nav-toggle span::before{content:"";left:0;top:-6px;transform:none}
.nav-toggle span::after{content:"";left:0;top:6px;transform:none}
.nav-toggle.is-open span{transform:translateX(-50%) rotate(45deg)}
.nav-toggle.is-open span::before{transform:rotate(-90deg);top:0}
.nav-toggle.is-open span::after{opacity:0}

/* ---------- 抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(4,7,13,.62);z-index:95;
  opacity:0;visibility:hidden;transition:opacity .28s var(--ease),visibility .28s var(--ease);
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:min(320px,84vw);z-index:96;
  background:rgba(12,17,28,.94);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-left:1px solid var(--line);
  transform:translateX(102%);
  transition:transform .32s var(--ease);
  padding:26px 22px calc(26px + env(safe-area-inset-bottom));
  display:flex;flex-direction:column;gap:8px;
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer__title{color:var(--ink-3);font-size:12px;letter-spacing:.14em;margin-bottom:6px}
.drawer__link{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 12px;border-radius:var(--r-14);
  color:var(--ink-2);border:1px solid transparent;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.drawer__link:hover,.drawer__link.is-active{
  background:var(--primary-soft);color:var(--ink-1);border-color:rgba(0,230,168,.28);
}
.drawer__link.is-active::after{content:"";width:6px;height:6px;border-radius:50%;background:var(--primary);box-shadow:0 0 10px rgba(0,230,168,.9)}
.drawer__cta{margin-top:14px;width:100%}

/* ---------- 面包屑 ---------- */
.crumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--ink-3);padding:26px 0 0}
.crumb a{transition:color .2s var(--ease)}
.crumb a:hover{color:var(--primary)}
.crumb__sep{color:rgba(255,255,255,.22)}
.crumb__now{color:var(--ink-2)}

/* ---------- 页面头 ---------- */
.page-hero{position:relative;padding:34px 0 56px;overflow:hidden}
.page-hero__bg{
  position:absolute;inset:0;
  background-image:linear-gradient(180deg,rgba(7,10,18,.62),rgba(7,10,18,.94) 62%,var(--bg-0)),url("/assets/images/backpic/back-3.png");
  background-size:cover;background-position:center 30%;
  opacity:.9;pointer-events:none;
}
.page-hero__glow{
  position:absolute;top:-160px;left:50%;transform:translateX(-50%);
  width:min(900px,120vw);height:420px;pointer-events:none;
  background:radial-gradient(closest-side,rgba(0,230,168,.20),rgba(0,230,168,0) 72%);
}
.page-hero__inner{position:relative;z-index:2}
.page-hero__tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:var(--primary-soft);border:1px solid rgba(0,230,168,.3);
  color:var(--primary);font-size:13px;font-weight:600;
}
.page-hero h1{
  margin:18px 0 14px;
  color:var(--ink-1);
  font-size:clamp(28px,4vw,44px);
  line-height:1.22;font-weight:700;letter-spacing:0;
  max-width:20em;
}
.page-hero h1 em{font-style:normal;color:var(--primary)}
.page-hero__lead{max-width:44em;color:var(--ink-2);font-size:16px}
.page-hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}

.stat-pills{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.stat-pill{
  display:flex;align-items:baseline;gap:8px;
  padding:12px 18px;border-radius:var(--r-14);
  background:var(--glass);border:1px solid var(--line);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
}
.stat-pill b{font-size:20px;color:var(--primary);font-family:var(--mono);font-variant-numeric:tabular-nums}
.stat-pill span{font-size:13px;color:var(--ink-3)}

/* ---------- 通用板块 ---------- */
.section{padding:76px 0}
.section--tight{padding:56px 0}
.section--alt{background:var(--bg-1)}
.section__head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:34px}
.section__title{display:flex;align-items:center;gap:12px}
.section__title::before{
  content:"";width:4px;height:24px;border-radius:3px;
  background:linear-gradient(180deg,var(--primary-hover),var(--primary-pressed));
  box-shadow:0 0 14px rgba(0,230,168,.7);
}
.section__title h2{color:var(--ink-1);font-size:clamp(22px,2.6vw,30px);line-height:1.3;font-weight:700}
.section__sub{color:var(--ink-3);font-size:14px;margin-top:10px}
.section__desc{color:var(--ink-2);font-size:15px;max-width:52em;margin-top:10px}

/* ---------- 双列错位卡 ---------- */
.offset-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}
.offset-col{display:flex;flex-direction:column;gap:28px}
.offset-col--b{margin-top:40px}

.data-card{
  display:flex;flex-direction:column;
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:var(--r-20);
  overflow:hidden;
  box-shadow:var(--shadow-card);
  transition:transform .26s var(--ease),border-color .26s var(--ease),box-shadow .26s var(--ease);
}
.data-card:hover{transform:translateY(-4px);border-color:rgba(0,230,168,.32);box-shadow:0 14px 34px rgba(0,0,0,.45)}
.data-card__media{position:relative;aspect-ratio:16/9;overflow:hidden;background:linear-gradient(135deg,rgba(0,230,168,.14),rgba(124,140,255,.12))}
.data-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .34s var(--ease)}
.data-card:hover .data-card__media img{transform:scale(1.04)}
.data-card__media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,10,18,.05) 40%,rgba(7,10,18,.78));
}
.data-card__badge{
  position:absolute;top:14px;left:14px;z-index:2;
  padding:5px 12px;border-radius:999px;
  background:rgba(7,10,18,.66);border:1px solid rgba(0,230,168,.35);
  color:var(--primary);font-size:12.5px;font-weight:600;
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
}
.data-card__metric{
  position:absolute;right:14px;bottom:14px;z-index:2;
  display:flex;align-items:baseline;gap:6px;
  padding:5px 12px;border-radius:999px;
  background:rgba(255,92,43,.16);border:1px solid rgba(255,92,43,.42);
  color:#FFB79B;font-size:12.5px;font-weight:600;
}
.data-card__body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.data-card__body h3{color:var(--ink-1);font-size:18px;line-height:1.5;font-weight:600}
.data-card__body p{font-size:14.5px;color:var(--ink-2);line-height:1.8}
.data-card__foot{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
}
.data-card__tags{display:flex;flex-wrap:wrap;gap:8px}
.tag{
  display:inline-flex;align-items:center;
  padding:4px 11px;border-radius:999px;
  background:var(--primary-soft);color:var(--primary);
  font-size:12.5px;line-height:1.6;
}
.tag--muted{background:rgba(255,255,255,.05);color:var(--ink-3)}
.data-card__link{color:var(--primary);font-size:13.5px;font-weight:600;display:inline-flex;align-items:center;gap:6px;white-space:nowrap}
.data-card__link .arrow{transition:transform .22s var(--ease)}
.data-card:hover .data-card__link .arrow{transform:translateX(4px)}

/* ---------- 指标条 ---------- */
.metric-board{
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-20);
  padding:28px 26px;box-shadow:var(--shadow-card);
}
.metric-board__head{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:22px}
.metric-board__head h3{color:var(--ink-1);font-size:19px;font-weight:600}
.metric-board__head .num{color:var(--ink-3);font-size:13px}
.metric-row{padding:14px 0;border-top:1px solid var(--line)}
.metric-row:first-of-type{border-top:0;padding-top:0}
.metric-row__top{display:flex;align-items:baseline;justify-content:space-between;gap:14px;margin-bottom:8px}
.metric-row__name{color:var(--ink-1);font-size:15px;font-weight:600}
.metric-row__val{font-family:var(--mono);font-variant-numeric:tabular-nums;color:var(--primary);font-size:15px;font-weight:700}
.bar{height:8px;border-radius:999px;background:rgba(255,255,255,.06);overflow:hidden}
.bar > i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,rgba(0,230,168,.55),var(--primary));box-shadow:0 0 14px rgba(0,230,168,.4)}
.metric-row__note{color:var(--ink-3);font-size:13px;margin-top:8px}

/* ---------- 适用场景 列表 ---------- */
.scene-list{border:1px solid var(--line);border-radius:var(--r-20);overflow:hidden;background:var(--bg-2)}
.scene-item{
  display:grid;grid-template-columns:56px 1fr auto;align-items:center;gap:18px;
  padding:20px 22px;border-top:1px solid var(--line);
  transition:background .22s var(--ease);
}
.scene-item:first-child{border-top:0}
.scene-item:hover{background:rgba(255,255,255,.03)}
.scene-item__idx{font-family:var(--mono);font-size:15px;color:var(--primary);font-weight:700}
.scene-item__title{color:var(--ink-1);font-size:16px;font-weight:600}
.scene-item__desc{color:var(--ink-3);font-size:13.5px;margin-top:4px}
.scene-item__arrow{color:var(--ink-3);transition:transform .22s var(--ease),color .22s var(--ease)}
.scene-item:hover .scene-item__arrow{transform:translateX(4px);color:var(--primary)}

/* ---------- 流程 ---------- */
.flow{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.flow__step{
  position:relative;
  padding:24px 20px;
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-20);
  transition:transform .26s var(--ease),border-color .26s var(--ease);
}
.flow__step:hover{transform:translateY(-4px);border-color:rgba(0,230,168,.3)}
.flow__num{font-family:var(--mono);font-size:13px;color:var(--accent);font-weight:700;letter-spacing:.08em}
.flow__step h3{color:var(--ink-1);font-size:17px;font-weight:600;margin:10px 0 8px}
.flow__step p{font-size:14px;color:var(--ink-2);line-height:1.8}

/* ---------- FAQ ---------- */
.faq{display:flex;flex-direction:column;gap:14px;max-width:920px}
.faq__item{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-14);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  overflow:hidden;
  transition:border-color .24s var(--ease),background .24s var(--ease);
}
.faq__item.is-open{border-color:rgba(0,230,168,.36);background:rgba(0,230,168,.05)}
.faq__q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 22px;text-align:left;
  color:var(--ink-1);font-size:16px;font-weight:600;
}
.faq__item.is-open .faq__q{box-shadow:inset 3px 0 0 0 var(--primary)}
.faq__icon{
  position:relative;width:24px;height:24px;flex:none;border-radius:50%;
  border:1px solid rgba(0,230,168,.4);background:var(--primary-soft);
  transition:transform .28s var(--ease);
}
.faq__icon::before,.faq__icon::after{
  content:"";position:absolute;top:50%;left:50%;background:var(--primary);border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq__icon::before{width:11px;height:2px}
.faq__icon::after{width:2px;height:11px}
.faq__item.is-open .faq__icon{transform:rotate(45deg)}
.faq__a{max-height:0;overflow:hidden;transition:max-height .34s var(--ease)}
.faq__a p{padding:0 22px 22px;color:var(--ink-2);font-size:15px}

/* ---------- 相关分类 ---------- */
.cross{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.pill-link{
  display:inline-flex;align-items:center;gap:10px;
  padding:14px 22px;border-radius:999px;
  background:var(--glass);border:1px solid var(--line-strong);
  color:var(--ink-1);font-size:15px;font-weight:600;
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  transition:border-color .24s var(--ease),transform .24s var(--ease),color .24s var(--ease);
}
.pill-link:hover{border-color:rgba(0,230,168,.5);transform:translateY(-3px);color:#fff}
.pill-link .dot{width:6px;height:6px;border-radius:50%;background:var(--primary);box-shadow:0 0 10px rgba(0,230,168,.9)}
.pill-link--now{border-color:rgba(0,230,168,.42);background:var(--primary-soft);color:var(--primary)}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:var(--r-28);
  border:1px solid var(--line);
  padding:48px 46px;
  background-image:linear-gradient(100deg,rgba(7,10,18,.94) 12%,rgba(7,10,18,.72) 62%,rgba(7,10,18,.45)),url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;
}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-90px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(closest-side,rgba(0,230,168,.28),rgba(0,230,168,0) 72%);
  pointer-events:none;
}
.cta-band__txt{position:relative;z-index:2;max-width:36em}
.cta-band h2{color:var(--ink-1);font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.32}
.cta-band p{color:var(--ink-2);font-size:15px;margin-top:12px}
.cta-band__actions{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:14px}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:24px;
  background:var(--bg-1);
  border-top:1px solid var(--line);
  position:relative;
  padding:64px 0 26px;
}
.site-footer::before{
  content:"";position:absolute;top:-1px;left:0;right:0;height:1px;
  background:linear-gradient(90deg,rgba(0,230,168,0),rgba(0,230,168,.75),rgba(0,230,168,0));
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:34px}
.footer-brand{display:flex;align-items:flex-start;gap:12px;margin-bottom:14px}
.footer-brand__name{display:block;color:var(--ink-1);font-size:16px;font-weight:700}
.footer-brand__sub{display:block;color:var(--ink-3);font-size:11.5px;margin-top:2px}
.footer-col h4{color:var(--ink-1);font-size:15px;font-weight:600;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col ul a{color:var(--ink-2);font-size:14px;transition:color .2s var(--ease)}
.footer-col ul a:hover{color:var(--primary)}
.footer-text{color:var(--ink-3);font-size:13.5px;line-height:1.9}
.footer-text a{color:var(--ink-2)}
.footer-text a:hover{color:var(--primary)}
.qr{
  width:118px;height:118px;border-radius:var(--r-14);
  background:var(--glass);border:1px solid var(--line-strong);
  display:grid;place-items:center;text-align:center;
  color:var(--ink-3);font-size:12.5px;line-height:1.7;padding:10px;margin-bottom:14px;
}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  color:var(--ink-3);font-size:13px;
}

/* ---------- 入场动效 ---------- */
.reveal{opacity:0;transform:translateY(12px)}
.reveal.is-in{opacity:1;transform:none;transition:opacity .34s var(--ease),transform .34s var(--ease)}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:30px}
  .footer-grid .footer-col:last-child{grid-column:1 / -1;display:flex;gap:26px;align-items:flex-start}
  .footer-grid .footer-col:last-child .qr{margin-bottom:0}
}
@media (max-width:1023px){
  .nav{display:none}
  .nav-toggle{display:block}
  .header__actions .btn{display:none}
  .section{padding:64px 0}
  .section--tight{padding:48px 0}
  .flow{grid-template-columns:repeat(2,minmax(0,1fr))}
  .offset-col--b{margin-top:0}
}
@media (max-width:900px){
  .offset-grid{grid-template-columns:minmax(0,1fr)}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .section{padding:52px 0}
  .section--tight{padding:44px 0}
  .page-hero{padding:22px 0 40px}
  .section__head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:26px}
  .cta-band{padding:34px 24px;border-radius:var(--r-20)}
  .scene-item{grid-template-columns:38px 1fr;gap:14px;padding:16px 18px}
  .scene-item__arrow{display:none}
  .flow{grid-template-columns:minmax(0,1fr)}
  .stat-pill{padding:10px 14px}
  .stat-pill b{font-size:18px}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:26px}
  .footer-grid .footer-col:last-child{flex-direction:column}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .topbar__inner{font-size:12.5px;padding:8px 46px 8px 18px}
}
@media (max-width:480px){
  .logo__sub{display:none}
  .logo__name{font-size:15.5px}
  .btn{padding:11px 20px;font-size:14.5px}
  .data-card__body{padding:18px}
}