/* roulang page: index */
:root{
  --bg-0:#0A0E1A;
  --bg-1:#111729;
  --bg-2:#182034;
  --primary:#2ED3C0;
  --primary-strong:#17B9A8;
  --primary-soft:rgba(46,211,192,.14);
  --accent:#FF5F7E;
  --violet:#7A6BFF;
  --text-1:#EAF0FF;
  --text-2:#A8B4CC;
  --text-3:#6C7893;
  --line:rgba(255,255,255,.12);
  --line-strong:rgba(255,255,255,.22);
  --glass:rgba(255,255,255,.06);
  --r-xs:8px;
  --r-sm:12px;
  --r-md:16px;
  --r-lg:20px;
  --r-xl:24px;
  --r-pill:999px;
  --sh-1:0 8px 24px rgba(0,0,0,.35);
  --sh-2:0 18px 48px rgba(0,0,0,.45);
  --sh-glow:0 0 0 1px rgba(46,211,192,.35), 0 10px 30px rgba(46,211,192,.28);
  --t:200ms cubic-bezier(.4,0,.2,1);
  --gap-section:96px;
  --side-w:248px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-1);
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  background:
    radial-gradient(760px 460px at 78% -6%,rgba(46,211,192,.10),transparent 62%),
    radial-gradient(620px 420px at 6% 18%,rgba(122,107,255,.10),transparent 66%),
    radial-gradient(560px 380px at 52% 108%,rgba(255,95,126,.08),transparent 68%);
  z-index:0;
}
img{max-width:100%;display:block;border-radius:var(--r-md);}
a{color:var(--primary);text-decoration:none;transition:color var(--t),opacity var(--t);}
a:hover{color:var(--primary-strong);}
h1,h2,h3,h4,h5{margin:0;font-weight:700;line-height:1.35;letter-spacing:.005em;}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;list-style:none;}
button,input,textarea,select{font:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px;}
::selection{background:rgba(46,211,192,.28);color:#fff;}

/* ---------- App Shell ---------- */
.app-side{
  position:fixed;
  top:0;left:0;bottom:0;
  width:var(--side-w);
  background:linear-gradient(180deg,var(--bg-1),rgba(10,14,26,.96));
  border-right:1px solid var(--line);
  padding:28px 20px 22px;
  display:flex;
  flex-direction:column;
  gap:26px;
  z-index:1030;
}
.brand{display:flex;align-items:center;gap:12px;}
.brand-mark{
  width:42px;height:42px;flex:0 0 42px;
  border-radius:14px;
  background:linear-gradient(140deg,rgba(46,211,192,.22),rgba(122,107,255,.18));
  border:1px solid rgba(46,211,192,.36);
  display:grid;place-items:center;
  box-shadow:0 6px 18px rgba(46,211,192,.18);
}
.brand-mark svg{width:22px;height:22px;}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-name{font-size:16px;font-weight:800;color:var(--text-1);letter-spacing:.02em;}
.brand-sub{font-size:11px;color:var(--text-3);letter-spacing:.16em;}

.side-nav{display:flex;flex-direction:column;gap:6px;}
.side-nav-label{
  font-size:11px;color:var(--text-3);letter-spacing:.18em;
  padding:0 12px 8px;text-transform:uppercase;
}
.side-link{
  position:relative;
  display:flex;align-items:center;gap:12px;
  padding:11px 12px;
  border-radius:var(--r-sm);
  color:var(--text-2);
  font-size:14.5px;
  transition:background var(--t),color var(--t);
}
.side-link svg{width:18px;height:18px;flex:0 0 18px;color:var(--text-3);transition:color var(--t);}
.side-link:hover{background:rgba(255,255,255,.05);color:var(--text-1);}
.side-link:hover svg{color:var(--primary);}
.side-link.active{
  background:linear-gradient(90deg,rgba(46,211,192,.14),rgba(46,211,192,.02));
  color:var(--text-1);
  font-weight:600;
}
.side-link.active svg{color:var(--primary);}
.side-link.active::before{
  content:"";
  position:absolute;left:-20px;top:50%;transform:translateY(-50%);
  width:3px;height:22px;border-radius:0 3px 3px 0;
  background:var(--primary);
  box-shadow:0 0 12px rgba(46,211,192,.85);
}
.side-foot{margin-top:auto;display:flex;flex-direction:column;gap:12px;}
.side-foot-card{
  border:1px solid var(--line);
  background:var(--glass);
  border-radius:var(--r-md);
  padding:14px 14px 16px;
}
.side-foot-card strong{display:block;font-size:13.5px;color:var(--text-1);margin-bottom:4px;}
.side-foot-card span{font-size:12px;color:var(--text-3);line-height:1.6;display:block;margin-bottom:10px;}
.side-foot-copy{font-size:11.5px;color:var(--text-3);line-height:1.7;}

.app-main{
  position:relative;
  z-index:1;
  margin-left:var(--side-w);
  max-width:1240px;
  padding:0 32px;
}
.container-inner{max-width:1200px;margin:0 auto;}

/* ---------- Buttons ---------- */
.btn-main,.btn-ghost,.btn-quiet{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-pill);
  font-weight:600;font-size:14.5px;
  padding:13px 26px;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform var(--t),box-shadow var(--t),background var(--t),border-color var(--t),color var(--t);
}
.btn-main{
  background:linear-gradient(120deg,var(--primary),var(--primary-strong));
  color:#062420;
  box-shadow:0 8px 22px rgba(46,211,192,.26);
}
.btn-main:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(46,211,192,.4),0 16px 40px rgba(46,211,192,.36);color:#04201d;}
.btn-main:active{transform:translateY(0);}
.btn-ghost{
  background:var(--glass);
  border-color:var(--line-strong);
  color:var(--text-1);
}
.btn-ghost:hover{border-color:var(--primary);background:rgba(46,211,192,.10);color:var(--text-1);}
.btn-quiet{
  background:transparent;border-color:var(--line);color:var(--text-2);
  padding:11px 22px;
}
.btn-quiet:hover{border-color:var(--line-strong);color:var(--text-1);}
.link-more{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--primary);
}
.link-more svg{width:15px;height:15px;transition:transform var(--t);}
.link-more:hover svg{transform:translateX(4px);}

/* ---------- Badges ---------- */
.badge-soft,.badge-glass,.badge-live{
  display:inline-flex;align-items:center;gap:6px;
  border-radius:var(--r-pill);
  font-size:12.5px;font-weight:500;
  padding:5px 12px;
  line-height:1.5;
}
.badge-soft{background:rgba(46,211,192,.12);color:var(--primary);border:1px solid rgba(46,211,192,.24);}
.badge-glass{background:rgba(255,255,255,.08);color:var(--text-2);border:1px solid var(--line);backdrop-filter:blur(10px);}
.badge-live{background:rgba(255,95,126,.14);color:var(--accent);border:1px solid rgba(255,95,126,.3);}

/* ---------- Section base ---------- */
.section{padding:var(--gap-section) 0;}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:20px;
  margin-bottom:36px;
  flex-wrap:wrap;
}
.section-head h2{
  font-size:28px;font-weight:700;
  display:flex;align-items:center;gap:12px;
}
.section-head h2::before{
  content:"";width:4px;height:22px;border-radius:2px;
  background:linear-gradient(180deg,var(--primary),var(--primary-strong));
  box-shadow:0 0 12px rgba(46,211,192,.5);
}
.section-sub{color:var(--text-2);font-size:14.5px;margin-top:6px;max-width:640px;}

/* ---------- Hero ---------- */
.hero{padding:72px 0 8px;}
.hero-grid{
  display:grid;
  grid-template-columns:1fr 384px;
  gap:56px;
  align-items:center;
}
.hero-kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;color:var(--primary);
  background:var(--primary-soft);
  border:1px solid rgba(46,211,192,.24);
  border-radius:var(--r-pill);
  padding:6px 14px;
  margin-bottom:22px;
}
.hero h1{
  font-size:52px;
  font-weight:800;
  line-height:1.16;
  letter-spacing:-.01em;
  margin-bottom:20px;
}
.hero h1 em{
  font-style:normal;
  background:linear-gradient(120deg,var(--primary),#8FE9DE 55%,var(--violet));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{font-size:16.5px;color:var(--text-2);max-width:600px;margin-bottom:12px;}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:28px 0 22px;}
.hero-tags{display:flex;gap:10px;flex-wrap:wrap;}
.hero-figure{position:relative;}
.hero-frame{
  position:relative;
  aspect-ratio:9/16;
  border-radius:var(--r-xl);
  overflow:hidden;
  border:1px solid var(--line-strong);
  background:var(--bg-2);
  box-shadow:var(--sh-2),0 0 0 1px rgba(46,211,192,.14);
}
.hero-frame img{width:100%;height:100%;object-fit:cover;border-radius:0;}
.hero-frame::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,14,26,0) 34%,rgba(10,14,26,.72) 76%,rgba(10,14,26,.96) 100%);
}
.hero-caption{
  position:absolute;left:18px;right:18px;bottom:18px;z-index:2;
  background:rgba(255,255,255,.07);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:12px 14px;
  backdrop-filter:blur(18px) saturate(140%);
}
.hero-caption strong{display:block;font-size:14px;color:var(--text-1);margin-bottom:2px;}
.hero-caption span{font-size:12.5px;color:var(--text-2);}
.hero-stats{
  display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:34px;
  border-top:1px solid var(--line);padding-top:24px;
}
.stat-cell strong{
  display:block;font-size:24px;font-weight:800;color:var(--text-1);
  font-variant-numeric:tabular-nums;letter-spacing:-.01em;
}
.stat-cell strong i{font-style:normal;color:var(--accent);}
.stat-cell span{font-size:12.5px;color:var(--text-3);}

/* ---------- Vertical clip cards ---------- */
.clip-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.v-card{
  position:relative;
  display:block;
  border-radius:18px;
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--bg-2);
  box-shadow:var(--sh-1);
  transition:border-color var(--t),box-shadow var(--t),transform var(--t);
}
.v-card:hover{border-color:var(--line-strong);transform:translateY(-4px);}
.v-media{position:relative;aspect-ratio:9/16;overflow:hidden;}
.v-media img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform 420ms cubic-bezier(.4,0,.2,1);}
.v-card:hover .v-media img{transform:scale(1.04);}
.v-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,14,26,.06) 0%,rgba(10,14,26,.1) 52%,rgba(10,14,26,.86) 100%);
}
.v-badge{position:absolute;top:12px;left:12px;z-index:3;}
.v-time{
  position:absolute;bottom:12px;right:12px;z-index:3;
  background:rgba(8,12,22,.72);
  color:#DCE5F7;
  font-size:11.5px;
  border-radius:var(--r-pill);
  padding:3px 10px;
  font-variant-numeric:tabular-nums;
  border:1px solid rgba(255,255,255,.12);
}
.v-play{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:44px;height:44px;border-radius:50%;
  background:rgba(255,255,255,.12);
  border:1px solid rgba(46,211,192,.55);
  box-shadow:0 0 0 6px rgba(46,211,192,.08),0 8px 24px rgba(0,0,0,.4);
  display:grid;place-items:center;z-index:3;
  transition:transform var(--t),box-shadow var(--t);
}
.v-play svg{width:16px;height:16px;color:var(--primary);margin-left:2px;}
.v-card:hover .v-play{transform:translate(-50%,-50%) scale(1.08);box-shadow:0 0 0 10px rgba(46,211,192,.14),0 10px 28px rgba(46,211,192,.32);}
.v-info{
  position:absolute;left:10px;right:10px;bottom:10px;z-index:2;
  background:rgba(255,255,255,.08);
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  padding:9px 11px;
  backdrop-filter:blur(16px) saturate(140%);
}
.v-info strong{
  display:block;font-size:13.5px;font-weight:600;color:var(--text-1);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}

/* ---------- Numbered list ---------- */
.list-layout{display:grid;grid-template-columns:1fr 340px;gap:32px;align-items:start;}
.num-item{
  display:flex;align-items:center;gap:22px;
  padding:22px 20px;
  border-bottom:1px solid var(--line);
  transition:background var(--t);
  border-radius:var(--r-md);
}
.num-item:first-child{border-top:1px solid var(--line);}
.num-item:hover{background:rgba(255,255,255,.035);}
.num-index{
  font-size:52px;font-weight:800;line-height:1;
  color:transparent;
  -webkit-text-stroke:1.4px rgba(46,211,192,.55);
  font-variant-numeric:tabular-nums;
  flex:0 0 84px;
}
.num-body{flex:1;min-width:0;}
.num-body h3{font-size:17.5px;font-weight:600;margin-bottom:4px;color:var(--text-1);}
.num-body p{font-size:14px;color:var(--text-2);margin:0;}
.num-thumb{width:72px;height:72px;flex:0 0 72px;border-radius:14px;overflow:hidden;border:1px solid var(--line);}
.num-thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;}
.num-arrow{
  width:34px;height:34px;flex:0 0 34px;border-radius:50%;
  border:1px solid var(--line);
  display:grid;place-items:center;
  color:var(--text-3);
  transition:color var(--t),border-color var(--t),transform var(--t);
}
.num-item:hover .num-arrow{color:var(--primary);border-color:rgba(46,211,192,.5);transform:translateX(4px);}
.num-arrow svg{width:14px;height:14px;}
.glass-panel{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:26px 24px;
  backdrop-filter:blur(18px) saturate(140%);
}
.glass-panel h3{font-size:17px;margin-bottom:14px;}
.panel-row{
  display:flex;align-items:center;justify-content:space-between;
  padding:11px 0;border-bottom:1px dashed rgba(255,255,255,.1);
  font-size:14px;color:var(--text-2);
}
.panel-row:last-of-type{border-bottom:none;}
.panel-row b{color:var(--primary);font-variant-numeric:tabular-nums;font-weight:700;}

/* ---------- Reviews ---------- */
.review-wrap{position:relative;}
.review-wrap::before,.review-wrap::after{
  content:"";position:absolute;top:0;bottom:0;width:56px;z-index:3;pointer-events:none;
}
.review-wrap::before{left:0;background:linear-gradient(90deg,var(--bg-0),transparent);}
.review-wrap::after{right:0;background:linear-gradient(270deg,var(--bg-0),transparent);}
.review-track{
  display:flex;gap:18px;overflow-x:auto;padding:6px 4px 18px;
  scroll-snap-type:x mandatory;
  scrollbar-width:thin;
}
.review-track::-webkit-scrollbar{height:6px;}
.review-track::-webkit-scrollbar-thumb{background:rgba(255,255,255,.14);border-radius:99px;}
.review-card{
  flex:0 0 320px;scroll-snap-align:start;
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:20px;
  backdrop-filter:blur(18px) saturate(140%);
  transition:border-color var(--t),transform var(--t);
}
.review-card:hover{border-color:var(--line-strong);transform:translateY(-3px);}
.review-top{display:flex;align-items:center;gap:12px;margin-bottom:12px;}
.avatar{
  width:42px;height:42px;flex:0 0 42px;border-radius:50%;
  display:grid;place-items:center;
  background:linear-gradient(140deg,rgba(46,211,192,.26),rgba(255,95,126,.22));
  border:1px solid rgba(46,211,192,.45);
  font-size:15px;font-weight:700;color:var(--text-1);
}
.review-name{font-size:14.5px;font-weight:600;color:var(--text-1);}
.review-stars{font-size:12.5px;color:var(--accent);letter-spacing:2px;}
.review-card p{font-size:14px;color:var(--text-2);margin:0 0 12px;line-height:1.75;}
.review-src{font-size:12px;color:var(--text-3);}

/* ---------- CTA bar ---------- */
.cta-bar{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  border-radius:var(--r-xl);
  border:1px solid rgba(46,211,192,.32);
  background:linear-gradient(120deg,rgba(46,211,192,.14),rgba(122,107,255,.12) 60%,rgba(255,95,126,.08));
  box-shadow:0 0 0 1px rgba(46,211,192,.12),var(--sh-2);
  padding:30px 34px;
  flex-wrap:wrap;
}
.cta-bar h3{font-size:22px;margin-bottom:6px;}
.cta-bar p{margin:0;font-size:14px;color:var(--text-2);}
.cta-actions{display:flex;align-items:center;gap:18px;flex-wrap:wrap;}

/* ---------- News ---------- */
.filter-row{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:28px;}
.pill-link{
  display:inline-flex;align-items:center;
  padding:7px 16px;border-radius:var(--r-pill);
  font-size:13.5px;color:var(--text-2);
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  transition:all var(--t);
}
.pill-link:hover,.pill-link.is-active{
  color:var(--primary);
  border-color:rgba(46,211,192,.45);
  background:var(--primary-soft);
}
.news-big{
  display:block;
  border-radius:var(--r-lg);
  border:1px solid var(--line);
  background:var(--bg-1);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:border-color var(--t),transform var(--t);
  height:100%;
}
.news-big:hover{border-color:var(--line-strong);transform:translateY(-3px);}
.news-big-media{aspect-ratio:16/10;overflow:hidden;}
.news-big-media img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform 420ms cubic-bezier(.4,0,.2,1);}
.news-big:hover .news-big-media img{transform:scale(1.03);}
.news-big-body{padding:22px 24px 26px;}
.news-big-body h3{font-size:20px;margin:12px 0 10px;color:var(--text-1);transition:color var(--t);}
.news-big:hover .news-big-body h3{color:var(--primary);}
.clamp-2{
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  font-size:14px;color:var(--text-2);
}
.news-meta{display:flex;align-items:center;gap:14px;font-size:12.5px;color:var(--text-3);margin-top:16px;flex-wrap:wrap;}
.news-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--text-3);display:inline-block;}
.mini-list{display:flex;flex-direction:column;gap:16px;height:100%;}
.news-mini{
  display:flex;gap:16px;align-items:stretch;
  border-radius:var(--r-lg);
  border:1px solid var(--line);
  background:var(--bg-1);
  padding:14px;
  transition:border-color var(--t),transform var(--t);
  flex:1;
}
.news-mini:hover{border-color:var(--line-strong);transform:translateY(-2px);}
.news-mini-media{width:112px;flex:0 0 112px;border-radius:14px;overflow:hidden;}
.news-mini-media img{width:100%;height:100%;object-fit:cover;border-radius:0;}
.news-mini-body{flex:1;min-width:0;display:flex;flex-direction:column;justify-content:center;}
.news-mini-body h3{
  font-size:15px;font-weight:600;color:var(--text-1);line-height:1.55;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color var(--t);
}
.news-mini:hover .news-mini-body h3{color:var(--primary);}
.news-mini-body .news-meta{margin-top:8px;font-size:12px;}

/* ---------- Empty state ---------- */
.empty-card{
  display:flex;flex-direction:column;align-items:center;text-align:center;
  gap:14px;
  padding:56px 28px;
  border-radius:var(--r-xl);
  border:1px solid var(--line);
  background:var(--glass);
  backdrop-filter:blur(18px) saturate(140%);
}
.empty-card svg{width:52px;height:52px;color:rgba(46,211,192,.4);}
.empty-card p{font-size:14.5px;color:var(--text-2);margin:0;}

/* ---------- FAQ ---------- */
.faq-col{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  border:1px solid var(--line);
  background:var(--glass);
  border-radius:var(--r-md);
  overflow:hidden;
  backdrop-filter:blur(16px) saturate(140%);
  position:relative;
  transition:border-color var(--t);
}
.faq-item:hover{border-color:var(--line-strong);}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:var(--primary);opacity:0;transition:opacity var(--t);
}
.faq-item.open::before{opacity:1;}
.faq-btn{
  width:100%;text-align:left;background:none;border:0;
  padding:17px 20px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:15px;font-weight:500;color:var(--text-1);
  cursor:pointer;line-height:1.6;
}
.faq-item.open .faq-btn{font-weight:700;}
.faq-icon{
  width:22px;height:22px;flex:0 0 22px;color:var(--text-3);
  transition:transform var(--t),color var(--t);
}
.faq-item.open .faq-icon{transform:rotate(180deg);color:var(--primary);}
.faq-panel{max-height:0;overflow:hidden;transition:max-height 300ms cubic-bezier(.4,0,.2,1);}
.faq-panel p{
  margin:0;padding:0 20px 18px;
  font-size:14px;color:var(--text-2);line-height:1.8;
}

/* ---------- Form ---------- */
.form-card{
  border-radius:var(--r-xl);
  border:1px solid var(--line);
  background:var(--bg-1);
  padding:34px;
  box-shadow:var(--sh-1);
}
.field{margin-bottom:20px;}
.field label{display:block;font-size:13px;color:var(--text-2);margin-bottom:8px;}
.field input,.field textarea{
  width:100%;
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  padding:13px 15px;
  font-size:14.5px;
  color:var(--text-1);
  transition:border-color var(--t),box-shadow var(--t),background var(--t);
}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3);}
.field input:focus,.field textarea:focus{
  outline:none;
  border-color:var(--primary);
  background:rgba(46,211,192,.06);
  box-shadow:0 0 0 3px rgba(46,211,192,.14);
}
.field textarea{min-height:110px;resize:vertical;line-height:1.75;}
.check-row{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--text-2);margin-bottom:22px;}
.check-row input{width:16px;height:16px;margin-top:4px;accent-color:var(--primary);}
.field-error{font-size:13px;color:var(--accent);margin-top:6px;display:none;}

/* ---------- Footer ---------- */
.site-footer{
  border-top:1px solid rgba(46,211,192,.2);
  background:linear-gradient(180deg,rgba(17,23,41,.4),var(--bg-0));
  padding:64px 0 28px;
  margin-top:40px;
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;}
.footer-grid h4{font-size:14px;color:var(--text-1);margin-bottom:16px;letter-spacing:.04em;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:13.5px;color:var(--text-2);}
.footer-links a:hover{color:var(--primary);}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand span{font-size:16px;font-weight:800;color:var(--text-1);}
.footer-desc{font-size:13.5px;color:var(--text-2);line-height:1.8;max-width:320px;}
.footer-bottom{
  margin-top:44px;padding-top:20px;
  border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}

/* ---------- Mobile topbar ---------- */
.mobile-topbar{
  position:fixed;top:0;left:0;right:0;height:56px;
  display:none;align-items:center;justify-content:space-between;
  padding:0 16px;
  background:rgba(10,14,26,.9);
  backdrop-filter:blur(16px) saturate(140%);
  border-bottom:1px solid var(--line);
  z-index:1040;
}
.mobile-topbar .brand-mark{width:34px;height:34px;flex:0 0 34px;border-radius:11px;}
.mobile-topbar .brand-name{font-size:14.5px;}
.burger{
  width:40px;height:40px;border-radius:12px;
  border:1px solid var(--line);
  background:var(--glass);
  display:grid;place-items:center;cursor:pointer;
}
.burger svg{width:18px;height:18px;color:var(--text-1);}
.side-drawer{background:var(--bg-1)!important;border-right:1px solid var(--line)!important;width:82%!important;max-width:320px;}
.side-drawer .offcanvas-body{padding:22px 18px;}
.drawer-tag{
  font-size:11px;color:var(--text-3);letter-spacing:.18em;
  padding:18px 12px 8px;
}

/* ---------- Sticky mobile CTA ---------- */
.mobile-cta{
  display:none;
  position:fixed;left:0;right:0;bottom:0;height:64px;
  align-items:center;justify-content:space-between;gap:14px;
  padding:0 16px calc(0px + env(safe-area-inset-bottom));
  background:rgba(10,14,26,.94);
  border-top:1px solid rgba(46,211,192,.4);
  box-shadow:0 -6px 24px rgba(46,211,192,.16);
  z-index:1035;
  backdrop-filter:blur(16px);
}
.mobile-cta span{font-size:13.5px;color:var(--text-2);}
.mobile-cta .btn-main{padding:10px 20px;font-size:13.5px;}

/* ---------- Responsive ---------- */
@media (max-width:1199.98px){
  :root{--side-w:84px;--gap-section:72px;}
  .app-side{padding:22px 12px;align-items:center;}
  .brand-text,.side-nav-label,.side-foot-card span,.side-foot-copy{display:none;}
  .side-link{justify-content:center;padding:13px 8px;}
  .side-link span{display:none;}
  .side-link.active::before{left:-12px;}
  .side-foot-card{padding:10px;text-align:center;}
  .side-foot-card strong{font-size:12px;}
  .clip-grid{grid-template-columns:repeat(3,1fr);}
  .hero-grid{grid-template-columns:1fr 320px;gap:40px;}
  .hero h1{font-size:44px;}
  .list-layout{grid-template-columns:1fr 300px;gap:24px;}
  .app-main{padding:0 24px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:991.98px){
  :root{--gap-section:56px;}
  .app-side{display:none;}
  .mobile-topbar{display:flex;}
  .app-main{margin-left:0;padding:56px 20px 0;max-width:100%;}
  .hero{padding:44px 0 0;}
  .hero-grid{grid-template-columns:1fr;gap:34px;}
  .hero h1{font-size:36px;}
  .hero-lead{font-size:15.5px;}
  .hero-frame{aspect-ratio:4/5;max-width:420px;margin:0 auto;}
  .hero-stats{grid-template-columns:repeat(3,1fr);gap:10px;}
  .stat-cell strong{font-size:20px;}
  .clip-grid{grid-template-columns:repeat(2,1fr);gap:18px;}
  .list-layout{grid-template-columns:1fr;}
  .num-index{font-size:40px;flex:0 0 56px;}
  .cta-bar{padding:24px;flex-direction:column;align-items:flex-start;}
  .section-head h2{font-size:22px;}
  .mobile-cta{display:flex;}
  .app-main{padding-bottom:76px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
}
@media (max-width:767.98px){
  .app-main{padding-left:16px;padding-right:16px;}
  .hero h1{font-size:32px;}
  .hero-actions{gap:10px;}
  .hero-actions .btn-main,.hero-actions .btn-ghost{width:100%;}
  .clip-grid{
    display:flex;overflow-x:auto;gap:14px;padding-bottom:14px;
    scroll-snap-type:x mandatory;
    margin:0 -16px;padding-left:16px;padding-right:16px;
  }
  .clip-grid .v-card{flex:0 0 78%;scroll-snap-align:start;}
  .news-mini{flex-direction:row;}
  .news-mini-media{width:96px;flex:0 0 96px;}
  .num-item{gap:14px;padding:18px 12px;}
  .num-thumb{width:58px;height:58px;flex:0 0 58px;}
  .num-arrow{display:none;}
  .form-card{padding:22px;}
  .review-card{flex:0 0 280px;}
}
@media (max-width:575.98px){
  .hero h1{font-size:29px;}
  .hero-stats{grid-template-columns:1fr 1fr;row-gap:16px;}
  .cta-bar h3{font-size:19px;}
  .news-big-body{padding:18px;}
  .news-big-body h3{font-size:17.5px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition-duration:.001ms!important;animation-duration:.001ms!important;}
}

/* roulang page: article */
:root{
  --bg-0:#0A0E1A;
  --bg-1:#111729;
  --bg-2:#182034;
  --primary:#2ED3C0;
  --primary-strong:#17B9A8;
  --primary-soft:rgba(46,211,192,.14);
  --accent:#FF5F7E;
  --violet:#7A6BFF;
  --text-1:#EAF0FF;
  --text-2:#A8B4CC;
  --text-3:#6C7893;
  --line:rgba(255,255,255,.10);
  --line-strong:rgba(255,255,255,.22);
  --glass-bg:rgba(255,255,255,.06);
  --glass-line:rgba(255,255,255,.12);
  --r-xs:8px;
  --r-sm:12px;
  --r-md:16px;
  --r-lg:20px;
  --r-xl:24px;
  --r-pill:999px;
  --sh-1:0 8px 24px rgba(0,0,0,.35);
  --sh-2:0 18px 48px rgba(0,0,0,.45);
  --sh-glow:0 0 0 1px rgba(46,211,192,.35),0 10px 30px rgba(46,211,192,.28);
  --dur:.2s;
  --ease:cubic-bezier(.4,0,.2,1);
  --sidebar-w:248px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-1);
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.85;
  font-variant-numeric:tabular-nums;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--primary);text-decoration:none;transition:color var(--dur) var(--ease)}
a:hover{color:var(--primary-strong)}
h1,h2,h3,h4{margin:0;line-height:1.35;font-weight:700;color:var(--text-1)}
p{margin:0 0 1em}
ul,ol{margin:0 0 1em;padding-left:1.2em}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
::selection{background:rgba(46,211,192,.28)}

.container-inner{max-width:1200px;margin:0 auto;padding:0 32px;width:100%}

/* ===== App Shell ===== */
.app-shell{min-height:100vh}
.sidebar{
  position:fixed;top:0;left:0;width:var(--sidebar-w);height:100vh;
  background:var(--bg-1);border-right:1px solid var(--line);
  padding:26px 18px 22px;display:flex;flex-direction:column;gap:26px;
  overflow-y:auto;z-index:40;
}
.brand{display:flex;align-items:center;gap:10px;padding:6px 8px;color:var(--text-1);font-weight:800;font-size:17px;letter-spacing:.02em}
.brand:hover{color:var(--text-1)}
.brand-mark{width:32px;height:32px;flex:0 0 32px;display:grid;place-items:center;border-radius:10px;background:var(--bg-2);border:1px solid var(--line-strong)}
.brand-mark svg{width:20px;height:20px}
.brand-text small{display:block;font-size:11px;font-weight:400;color:var(--text-3);letter-spacing:.08em;line-height:1.4}
.side-nav{display:flex;flex-direction:column;gap:4px}
.side-link{
  position:relative;display:flex;align-items:center;gap:12px;
  padding:11px 12px;border-radius:var(--r-sm);color:var(--text-2);
  font-size:14.5px;font-weight:500;line-height:1.4;
  transition:background var(--dur) var(--ease),color var(--dur) var(--ease);
}
.side-link svg{width:20px;height:20px;flex:0 0 20px;color:var(--text-3);transition:color var(--dur) var(--ease)}
.side-link:hover{background:var(--bg-2);color:var(--text-1)}
.side-link:hover svg{color:var(--primary)}
.side-link.active{color:var(--text-1);background:var(--bg-2)}
.side-link.active svg{color:var(--primary)}
.side-link.active::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:22px;border-radius:3px;background:var(--primary);
  box-shadow:0 0 12px rgba(46,211,192,.75);
}
.sidebar-foot{margin-top:auto;display:flex;flex-direction:column;gap:12px;padding:14px 12px 0;border-top:1px solid var(--line)}
.sidebar-foot .mini-cta{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  padding:10px 14px;border-radius:var(--r-pill);font-size:13.5px;font-weight:600;
  color:#04231F;background:linear-gradient(120deg,var(--primary),var(--primary-strong));
  box-shadow:0 6px 18px rgba(46,211,192,.24);
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.sidebar-foot .mini-cta:hover{transform:translateY(-2px);color:#04231F;box-shadow:0 10px 26px rgba(46,211,192,.34)}
.sidebar-foot .copy{font-size:12px;color:var(--text-3);line-height:1.6}

.app-main{margin-left:var(--sidebar-w);padding:34px 32px 0;min-height:100vh}

/* ===== Mobile topbar ===== */
.topbar{
  display:none;position:fixed;top:0;left:0;right:0;height:56px;z-index:50;
  align-items:center;justify-content:space-between;padding:0 16px;
  background:rgba(17,23,41,.92);border-bottom:1px solid var(--line);
  backdrop-filter:blur(14px) saturate(140%);
}
.topbar .brand{font-size:15.5px;padding:0}
.topbar-btn{
  width:40px;height:40px;display:grid;place-items:center;border-radius:var(--r-sm);
  background:var(--bg-2);border:1px solid var(--line);color:var(--text-1);cursor:pointer;
  transition:border-color var(--dur) var(--ease)
}
.topbar-btn:hover{border-color:var(--line-strong)}
.offcanvas.offcanvas-start{width:82%;max-width:320px;background:var(--bg-1);border-right:1px solid var(--line)}
.offcanvas-header{border-bottom:1px solid var(--line);padding:16px 18px}
.offcanvas-body{padding:16px 14px 24px}

/* ===== Buttons ===== */
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border:0;border-radius:var(--r-pill);cursor:pointer;
  font-size:15px;font-weight:600;color:#04231F;
  background:linear-gradient(120deg,var(--primary),var(--primary-strong));
  box-shadow:0 10px 26px rgba(46,211,192,.26);
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.btn-main:hover{transform:translateY(-2px);color:#04231F;box-shadow:0 16px 38px rgba(46,211,192,.42)}
.btn-main:active{transform:translateY(0)}
.btn-glass{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 24px;border-radius:var(--r-pill);cursor:pointer;font-size:14.5px;font-weight:600;
  color:var(--text-1);background:var(--glass-bg);border:1px solid var(--glass-line);
  backdrop-filter:blur(18px) saturate(140%);
  transition:border-color var(--dur) var(--ease),background var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.btn-glass:hover{border-color:var(--primary);background:rgba(46,211,192,.12);color:var(--text-1);transform:translateY(-2px)}
.btn-text{display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:var(--primary)}
.btn-text svg{width:16px;height:16px;transition:transform var(--dur) var(--ease)}
.btn-text:hover svg{transform:translateX(4px)}

/* ===== Badges / chips ===== */
.chip{
  display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:var(--r-pill);
  font-size:13px;font-weight:500;color:var(--text-2);background:var(--glass-bg);
  border:1px solid var(--glass-line);backdrop-filter:blur(12px);
}
.chip-cat{color:var(--primary);background:rgba(46,211,192,.12);border-color:rgba(46,211,192,.28)}
.tag-pill{
  display:inline-flex;align-items:center;padding:6px 14px;border-radius:var(--r-pill);
  font-size:13px;color:var(--text-2);background:var(--bg-2);border:1px solid var(--line);
  transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease)
}
.tag-pill:hover{color:var(--primary);border-color:rgba(46,211,192,.45)}

/* ===== Breadcrumb ===== */
.crumb{margin-bottom:18px}
.crumb-list{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;list-style:none;
  margin:0;padding:0;font-size:13px;color:var(--text-3);
}
.crumb-list a{color:var(--text-2)}
.crumb-list a:hover{color:var(--primary)}
.crumb-sep{color:var(--text-3);opacity:.7}
.crumb-current{
  color:var(--text-3);max-width:46ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}

/* ===== Article head ===== */
.article-head{padding-bottom:22px;border-bottom:1px solid var(--line);margin-bottom:34px}
.article-head h1{
  font-size:clamp(26px,3.4vw,40px);font-weight:800;line-height:1.35;letter-spacing:.01em;
  margin-bottom:18px;
}
.head-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 16px;font-size:13px;color:var(--text-3)}
.head-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--text-3);opacity:.6}

/* ===== Reading layout ===== */
.reading-wrap{display:grid;grid-template-columns:minmax(0,8fr) minmax(0,4fr);gap:32px;align-items:start}
.article-panel{
  background:var(--bg-1);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:36px 36px 30px;box-shadow:var(--sh-1);
}
.article-content{max-width:760px}
.article-content > *:last-child{margin-bottom:0}
.article-content h2{
  position:relative;font-size:clamp(20px,2.4vw,28px);font-weight:700;
  margin:44px 0 18px;padding-left:16px;
}
.article-content h2::before{
  content:"";position:absolute;left:0;top:.28em;width:4px;height:20px;border-radius:2px;
  background:var(--primary);box-shadow:0 0 10px rgba(46,211,192,.55);
}
.article-content h3{
  position:relative;font-size:clamp(17px,2vw,20px);font-weight:600;margin:32px 0 14px;padding-left:16px;
}
.article-content h3::before{
  content:"";position:absolute;left:0;top:.62em;width:7px;height:7px;border-radius:50%;background:var(--primary);
}
.article-content h4{font-size:17px;font-weight:600;margin:26px 0 12px;color:var(--text-1)}
.article-content p{margin:0 0 1.15em;color:var(--text-2);line-height:1.85}
.article-content strong{color:var(--text-1);font-weight:600}
.article-content ul,.article-content ol{color:var(--text-2);margin:0 0 1.2em;padding-left:1.1em}
.article-content ul{list-style:none;padding-left:0}
.article-content ul li{position:relative;padding-left:20px;margin-bottom:.55em}
.article-content ul li::before{
  content:"";position:absolute;left:0;top:.72em;width:7px;height:7px;border-radius:2px;
  background:var(--primary);opacity:.85;
}
.article-content ol{padding-left:1.4em}
.article-content ol li{margin-bottom:.55em}
.article-content ol li::marker{color:var(--primary);font-weight:600}
.article-content blockquote{
  margin:22px 0;padding:18px 22px;border-left:3px solid var(--primary);
  background:var(--bg-0);border-radius:0 var(--r-sm) var(--r-sm) 0;color:var(--text-2);
}
.article-content blockquote p:last-child{margin-bottom:0}
.article-content table{
  width:100%;border-collapse:collapse;margin:24px 0;font-size:14.5px;
  border:1px solid rgba(255,255,255,.08);border-radius:var(--r-sm);overflow:hidden;
}
.article-content th,.article-content td{
  padding:12px 14px;border:1px solid rgba(255,255,255,.08);text-align:left;color:var(--text-2);
}
.article-content th{background:var(--bg-2);color:var(--text-1);font-weight:600}
.article-content tbody tr:hover{background:rgba(46,211,192,.06)}
.article-content img{border-radius:var(--r-md);margin:22px 0 8px;width:100%;height:auto}
.article-content figcaption{font-size:13px;color:var(--text-3);margin-bottom:22px;text-align:center}
.article-content hr{border:0;border-top:1px solid var(--line);margin:34px 0}
.article-content a{color:var(--primary);text-decoration:underline;text-decoration-color:rgba(46,211,192,.4);text-underline-offset:3px}
.article-content a:hover{text-decoration-color:var(--primary)}
.article-content pre{
  background:var(--bg-0);border:1px solid var(--line);border-radius:var(--r-sm);
  padding:16px 18px;overflow-x:auto;font-size:13.5px;color:var(--text-2);
}

/* ===== Post interaction ===== */
.post-tags{display:flex;flex-wrap:wrap;gap:10px;margin:36px 0 0;padding-top:24px;border-top:1px solid var(--line)}
.pager{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:26px}
.pager-card{
  display:flex;flex-direction:column;gap:8px;padding:18px 20px;border-radius:var(--r-md);
  background:var(--bg-2);border:1px solid var(--line);transition:border-color var(--dur) var(--ease),transform var(--dur) var(--ease)
}
.pager-card:hover{border-color:var(--line-strong);transform:translateY(-3px)}
.pager-card .dir{font-size:12.5px;color:var(--text-3);letter-spacing:.06em}
.pager-card .ttl{
  font-size:15px;color:var(--text-1);font-weight:600;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.pager-card:hover .ttl{color:var(--primary)}
.pager-card.next{text-align:right}
.back-row{margin-top:22px}

/* ===== Sidebar widgets ===== */
.side-col{display:flex;flex-direction:column;gap:20px;position:sticky;top:34px}
.widget{
  background:var(--bg-1);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px;box-shadow:var(--sh-1);
}
.widget h3{font-size:15px;font-weight:700;margin-bottom:14px;letter-spacing:.02em;color:var(--text-1)}
.toc-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px}
.toc-list li a{
  display:block;padding:8px 10px;border-radius:var(--r-xs);font-size:14px;color:var(--text-2);
  border-left:2px solid transparent;transition:all var(--dur) var(--ease)
}
.toc-list li a:hover{color:var(--text-1);background:var(--bg-2);border-left-color:var(--primary)}
.hot-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px}
.hot-list li{display:flex;gap:10px;align-items:flex-start;font-size:14px;line-height:1.6}
.hot-list li span.num{
  font-size:13px;font-weight:800;color:var(--accent);min-width:18px;
}
.hot-list li a{color:var(--text-2)}
.hot-list li a:hover{color:var(--primary)}
.widget-cta{
  background:var(--glass-bg);border:1px solid var(--glass-line);border-radius:var(--r-lg);
  padding:22px;backdrop-filter:blur(18px) saturate(140%);
}
.widget-cta p{font-size:13.5px;color:var(--text-2);margin:8px 0 16px;line-height:1.75}
.widget-cta .btn-main,.widget-cta .btn-glass{width:100%;padding:12px 18px;font-size:14px}

/* ===== Related ===== */
.section{margin-top:64px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:22px}
.section-head h2{font-size:clamp(20px,2.4vw,28px);font-weight:700}
.related-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.news-card{
  display:grid;grid-template-columns:132px 1fr;gap:16px;padding:14px;
  background:var(--bg-1);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);transition:border-color var(--dur) var(--ease)
}
.news-card:hover{border-color:var(--line-strong)}
.news-card:hover .news-ttl{color:var(--primary)}
.news-thumb{width:132px;height:92px;border-radius:var(--r-sm);overflow:hidden;background:var(--bg-2)}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease)}
.news-card:hover .news-thumb img{transform:scale(1.04)}
.news-body{display:flex;flex-direction:column;gap:8px;min-width:0}
.news-ttl{
  font-size:15.5px;font-weight:600;color:var(--text-1);line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color var(--dur) var(--ease)
}
.news-meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--text-3);margin-top:auto}
.news-meta .chip{padding:3px 10px;font-size:12px}
.read-arrow{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--primary);font-weight:600}
.read-arrow svg{width:14px;height:14px;transition:transform var(--dur) var(--ease)}
.news-card:hover .read-arrow svg{transform:translateX(4px)}

/* ===== CTA bar ===== */
.cta-wrap{margin-top:72px}
.cta-bar{
  display:flex;align-items:center;justify-content:space-between;gap:22px;flex-wrap:wrap;
  padding:24px 28px;border-radius:var(--r-lg);
  background:var(--glass-bg);border:1px solid var(--glass-line);
  backdrop-filter:blur(18px) saturate(140%);
  box-shadow:0 0 0 1px rgba(46,211,192,.16),0 18px 48px rgba(0,0,0,.45);
}
.cta-bar h3{font-size:18px;font-weight:700;margin-bottom:6px}
.cta-bar p{margin:0;font-size:14px;color:var(--text-2)}
.cta-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap}

/* ===== Empty state ===== */
.empty-state{
  display:flex;flex-direction:column;align-items:center;text-align:center;gap:14px;
  padding:52px 28px;border-radius:var(--r-lg);
  background:var(--glass-bg);border:1px solid var(--glass-line);
  backdrop-filter:blur(18px) saturate(140%);
}
.empty-state svg{width:46px;height:46px;color:rgba(46,211,192,.4)}
.empty-state h3{font-size:19px}
.empty-state p{color:var(--text-2);font-size:14.5px;margin:0}

/* ===== Footer ===== */
.site-footer{
  margin-top:84px;padding:56px 0 26px;background:var(--bg-1);
  border-top:1px solid rgba(46,211,192,.2);
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:16px;margin-bottom:14px}
.footer-brand .brand-mark{width:30px;height:30px}
.footer-desc{font-size:13.5px;color:var(--text-3);line-height:1.85;max-width:34ch}
.site-footer h4{font-size:14px;font-weight:700;margin-bottom:14px;color:var(--text-1)}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:13.5px;color:var(--text-2)}
.footer-links a:hover{color:var(--primary)}
.footer-bottom{
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  margin-top:40px;padding-top:18px;border-top:1px solid var(--line);
  font-size:13px;color:var(--text-3);
}

/* ===== Responsive ===== */
@media (max-width:1199.98px){
  .sidebar{width:84px;padding:22px 12px;align-items:center}
  .sidebar .brand span.brand-text,.sidebar .side-link span,.sidebar-foot .copy{display:none}
  .sidebar .side-link{justify-content:center;padding:12px 0;width:100%}
  .sidebar .brand{justify-content:center;padding:0}
  .sidebar-foot{align-items:center;width:100%;padding-left:0;padding-right:0}
  .sidebar-foot .mini-cta{padding:10px;font-size:0;gap:0}
  .sidebar-foot .mini-cta svg{width:18px;height:18px}
  :root{--sidebar-w:84px}
  .reading-wrap{grid-template-columns:minmax(0,8fr) minmax(0,4fr);gap:24px}
  .container-inner{padding:0 24px}
  .app-main{padding:30px 24px 0}
}
@media (max-width:991.98px){
  .sidebar{display:none}
  .topbar{display:flex}
  .app-main{margin-left:0;padding:80px 16px 0}
  .container-inner{padding:0 16px}
  .reading-wrap{grid-template-columns:1fr;gap:26px}
  .side-col{position:static;order:2}
  .article-panel{padding:24px 18px}
  .related-grid{grid-template-columns:1fr}
  .section{margin-top:56px}
  .site-footer{margin-top:64px;padding-top:44px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
  .pager{grid-template-columns:1fr}
  .pager-card.next{text-align:left}
  body{padding-bottom:76px}
  .cta-wrap{margin-top:56px}
  .cta-bar{
    position:fixed;left:0;right:0;bottom:0;z-index:60;border-radius:0;
    padding:12px 16px;border-left:0;border-right:0;border-bottom:0;
    box-shadow:0 -1px 0 rgba(46,211,192,.55),0 -12px 32px rgba(0,0,0,.5);
    justify-content:space-between;flex-wrap:nowrap;gap:12px;
  }
  .cta-bar h3{font-size:14.5px;margin-bottom:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .cta-bar p{display:none}
  .cta-bar .btn-glass{display:none}
  .cta-actions .btn-main{padding:11px 20px;font-size:14px}
}
@media (max-width:575.98px){
  body{font-size:15px;line-height:1.75}
  .app-main{padding:76px 14px 0}
  .container-inner{padding:0 14px}
  .article-panel{padding:20px 15px;border-radius:var(--r-md)}
  .widget{padding:18px}
  .news-card{grid-template-columns:104px 1fr;gap:12px;padding:12px}
  .news-thumb{width:104px;height:78px}
  .footer-grid{grid-template-columns:1fr}
  .head-meta{font-size:12.5px}
  .crumb-current{max-width:26ch}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
}

/* roulang page: category1 */
:root{
  --bg-0:#0A0E1A;--bg-1:#111729;--bg-2:#182034;
  --primary:#2ED3C0;--primary-strong:#17B9A8;--primary-soft:rgba(46,211,192,.14);
  --accent:#FF5F7E;--violet:#7A6BFF;
  --text-1:#EAF0FF;--text-2:#A8B4CC;--text-3:#6C7893;
  --glass-bg:rgba(255,255,255,.06);--glass-bd:rgba(255,255,255,.12);
  --line:rgba(255,255,255,.08);--line-strong:rgba(255,255,255,.22);
  --r-xs:8px;--r-sm:12px;--r-md:16px;--r-lg:20px;--r-xl:24px;--r-pill:999px;
  --sh-1:0 8px 24px rgba(0,0,0,.35);--sh-2:0 18px 48px rgba(0,0,0,.45);
  --sh-glow:0 0 0 1px rgba(46,211,192,.35),0 10px 30px rgba(46,211,192,.28);
  --dur:.2s;--ease:cubic-bezier(.4,0,.2,1);
  --rail:248px;--topbar:56px;
  --fs-h1:40px;--fs-h2:28px;--fs-h3:20px;--fs-body:16px;--fs-aux:14px;--fs-meta:13px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg-0);color:var(--text-1);
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:var(--fs-body);line-height:1.85;font-weight:400;
  padding-left:var(--rail);padding-bottom:0;
  background-image:radial-gradient(1200px 600px at 80% -10%,rgba(46,211,192,.10),transparent 60%),radial-gradient(900px 500px at 10% 10%,rgba(122,107,255,.10),transparent 65%);
  background-attachment:fixed;
}
img{max-width:100%;display:block;border-radius:var(--r-md)}
a{color:var(--primary);text-decoration:none;transition:color var(--dur) var(--ease),opacity var(--dur) var(--ease)}
a:hover{color:var(--primary-strong)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.35;color:var(--text-1)}
p{margin:0 0 1em}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:4px}
.container-inner{max-width:1200px;margin:0 auto;padding:0 32px}

/* ============ 侧边导航 ============ */
.side-rail{
  position:fixed;top:0;left:0;bottom:0;width:var(--rail);z-index:1040;
  background:linear-gradient(180deg,#0D1424 0%,#0A0E1A 100%);
  border-right:1px solid var(--line);
  display:flex;flex-direction:column;gap:8px;padding:26px 18px 20px;
  overflow-y:auto;
}
.brand{display:flex;align-items:center;gap:10px;color:var(--text-1);font-weight:800;font-size:16px;letter-spacing:.02em;padding:0 6px 20px;text-decoration:none}
.brand:hover{color:var(--text-1)}
.brand-mark{width:34px;height:34px;flex:none;display:grid;place-items:center;border-radius:var(--r-sm);background:var(--primary-soft);border:1px solid rgba(46,211,192,.35)}
.brand-mark svg{width:20px;height:20px}
.brand-text{line-height:1.25}
.side-nav{display:flex;flex-direction:column;gap:6px;flex:1 1 auto}
.side-link{
  position:relative;display:flex;align-items:center;gap:12px;
  padding:11px 14px;border-radius:var(--r-sm);color:var(--text-2);font-size:15px;
  transition:background var(--dur) var(--ease),color var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.side-link svg{width:20px;height:20px;flex:none;color:var(--text-3);transition:color var(--dur) var(--ease)}
.side-link span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.side-link:hover{background:rgba(255,255,255,.05);color:var(--text-1)}
.side-link:hover svg{color:var(--primary)}
.side-link.active{background:var(--primary-soft);color:var(--text-1);font-weight:600}
.side-link.active svg{color:var(--primary)}
.side-link.active::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:3px;height:20px;border-radius:2px;background:var(--primary);box-shadow:0 0 12px rgba(46,211,192,.85)}
.rail-foot{margin-top:18px;display:flex;flex-direction:column;gap:10px;border-top:1px solid var(--line);padding-top:16px}
.rail-note{font-size:12px;color:var(--text-3);line-height:1.7}
.rail-cta{justify-content:center;font-size:14px;padding:10px 16px}

/* ============ 移动端顶栏 / 抽屉 ============ */
.mobile-bar{
  display:none;position:fixed;top:0;left:0;right:0;height:var(--topbar);z-index:1050;
  align-items:center;gap:12px;padding:0 16px;
  background:rgba(10,14,26,.92);backdrop-filter:blur(18px) saturate(140%);
  border-bottom:1px solid var(--line);
}
.mobile-bar .brand{padding:0;font-size:15px}
.mobile-bar .brand-mark{width:30px;height:30px}
.nav-toggle{
  width:40px;height:40px;display:grid;place-items:center;border-radius:var(--r-sm);
  background:var(--glass-bg);border:1px solid var(--glass-bd);color:var(--text-1);cursor:pointer;
  transition:border-color var(--dur) var(--ease),background var(--dur) var(--ease);
}
.nav-toggle:hover{border-color:rgba(46,211,192,.5)}
.nav-toggle svg{width:20px;height:20px}
.offcanvas.drawer{background:var(--bg-1);color:var(--text-1);width:82%;max-width:320px;border-right:1px solid var(--line)}
.drawer-inner{padding:22px 18px;display:flex;flex-direction:column;gap:8px;height:100%}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:18px}
.drawer-close{background:none;border:1px solid var(--glass-bd);color:var(--text-2);width:34px;height:34px;border-radius:var(--r-sm);cursor:pointer}
.drawer-close:hover{color:var(--text-1);border-color:var(--primary)}
.offcanvas-backdrop.show{opacity:.6;background:#05080F}

/* ============ 主区域 ============ */
.app-main{margin-left:0;min-height:100vh}
.section{padding-block:96px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:44px;flex-wrap:wrap}
.section-title{font-size:var(--fs-h2);font-weight:700}
.section-title-sm{font-size:var(--fs-h3);font-weight:600}
.section-desc{color:var(--text-2);font-size:var(--fs-aux);max-width:720px;margin-top:10px}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:var(--fs-aux);color:var(--primary);white-space:nowrap}
.link-more svg{width:16px;height:16px;transition:transform var(--dur) var(--ease)}
.link-more:hover svg{transform:translateX(4px)}

/* ============ 面包屑 ============ */
.crumb{padding-top:32px}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3)}
.crumb li{display:flex;align-items:center;gap:8px}
.crumb li+li::before{content:"";width:6px;height:6px;border-right:1px solid var(--text-3);border-top:1px solid var(--text-3);transform:rotate(45deg);display:inline-block}
.crumb a{color:var(--text-2)}
.crumb a:hover{color:var(--primary)}
.crumb .current{color:var(--text-3);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:280px}

/* ============ 窄幅横幅 ============ */
.page-hero{
  position:relative;overflow:hidden;border-radius:var(--r-xl);
  border:1px solid var(--glass-bd);box-shadow:var(--sh-2);
  min-height:360px;display:flex;align-items:flex-end;
  background-color:var(--bg-1);
  background-image:linear-gradient(100deg,rgba(10,14,26,.94) 12%,rgba(10,14,26,.62) 52%,rgba(10,14,26,.36) 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center right;
}
.page-hero::after{content:"";position:absolute;inset:auto 0 0 0;height:52%;background:linear-gradient(180deg,transparent,rgba(10,14,26,.92))}
.page-hero-inner{position:relative;z-index:2;padding:48px 44px 44px;max-width:760px}
.page-kicker{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--primary);letter-spacing:.14em;margin-bottom:14px}
.page-kicker::before{content:"";width:22px;height:1px;background:var(--primary);opacity:.7}
.page-hero h1{font-size:var(--fs-h1);font-weight:800;line-height:1.28}
.hero-sub{margin:16px 0 0;font-size:var(--fs-body);color:var(--text-2);max-width:640px}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.badge-pill{
  display:inline-flex;align-items:center;gap:8px;padding:7px 14px;border-radius:var(--r-pill);
  background:var(--glass-bg);border:1px solid var(--glass-bd);color:var(--text-2);
  font-size:13px;backdrop-filter:blur(18px) saturate(140%);
}
.badge-pill b{color:var(--primary);font-weight:700;font-variant-numeric:tabular-nums}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}

/* ============ 按钮 ============ */
.btn-lang{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--r-pill);font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;text-decoration:none;
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),background var(--dur) var(--ease),border-color var(--dur) var(--ease),color var(--dur) var(--ease);
}
.btn-primary-lang{background:linear-gradient(120deg,var(--primary),var(--primary-strong));color:#04201D;box-shadow:var(--sh-glow)}
.btn-primary-lang:hover{color:#04201D;transform:translateY(-2px);box-shadow:0 0 0 1px rgba(46,211,192,.5),0 16px 40px rgba(46,211,192,.42)}
.btn-primary-lang:active{transform:translateY(0)}
.btn-ghost-lang{background:var(--glass-bg);border-color:var(--glass-bd);color:var(--text-1);backdrop-filter:blur(18px) saturate(140%)}
.btn-ghost-lang:hover{border-color:var(--primary);background:rgba(46,211,192,.10);color:var(--text-1)}
.btn-sm-lang{padding:10px 18px;font-size:14px}

/* ============ 交错图文 ============ */
.zig-list{display:flex;flex-direction:column;gap:34px}
.zig-row{
  display:grid;grid-template-columns:1.05fr 1fr;gap:40px;align-items:center;
  background:var(--bg-1);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px;box-shadow:var(--sh-1);
  transition:border-color var(--dur) var(--ease)
}
.zig-row:hover{border-color:var(--line-strong)}
.zig-row.reverse .zig-media{order:2}
.zig-media{position:relative;border-radius:var(--r-md);overflow:hidden;border:1px solid var(--line)}
.zig-media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:0;transition:transform .35s var(--ease)}
.zig-row:hover .zig-media img{transform:scale(1.04)}
.zig-media::after{content:"";position:absolute;inset:0;background:linear-gradient(200deg,rgba(46,211,192,.10),transparent 55%)}
.zig-index{font-size:13px;font-weight:700;letter-spacing:.16em;color:var(--accent);font-variant-numeric:tabular-nums}
.zig-title{font-size:var(--fs-h3);font-weight:600;margin:10px 0 12px}
.zig-text{color:var(--text-2);font-size:var(--fs-aux)}
.zig-points{margin-top:18px;display:flex;flex-direction:column;gap:10px}
.zig-points li{position:relative;padding-left:18px;color:var(--text-2);font-size:var(--fs-aux)}
.zig-points li::before{content:"";position:absolute;left:0;top:11px;width:7px;height:7px;border-radius:2px;background:var(--primary);opacity:.85}

/* ============ 编号步骤 ============ */
.step-panel{background:var(--bg-1);border:1px solid var(--line);border-radius:var(--r-lg);padding:36px 32px;box-shadow:var(--sh-1)}
.step-list{display:flex;flex-direction:column;gap:0}
.step-item{display:grid;grid-template-columns:56px 1fr;gap:20px;padding:22px 0;border-bottom:1px solid var(--line)}
.step-item:last-child{border-bottom:0;padding-bottom:0}
.step-item:first-child{padding-top:0}
.step-num{
  font-size:26px;font-weight:800;color:transparent;-webkit-text-stroke:1px rgba(46,211,192,.65);
  font-variant-numeric:tabular-nums;line-height:1.2;
}
.step-body h3{font-size:17px;font-weight:600;margin-bottom:6px}
.step-body p{color:var(--text-2);font-size:var(--fs-aux);margin:0}

/* ============ 要点卡 ============ */
.fact-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
.fact-card{
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-lg);padding:26px;
  box-shadow:var(--sh-1);transition:transform var(--dur) var(--ease),border-color var(--dur) var(--ease)
}
.fact-card:hover{transform:translateY(-4px);border-color:var(--line-strong)}
.fact-tag{display:inline-block;font-size:12px;padding:4px 10px;border-radius:var(--r-pill);background:var(--primary-soft);color:var(--primary);margin-bottom:14px}
.fact-card h3{font-size:18px;font-weight:600;margin-bottom:10px}
.fact-card p{color:var(--text-2);font-size:var(--fs-aux);margin:0}
.fact-meta{margin-top:16px;font-size:12px;color:var(--text-3);display:flex;gap:14px;flex-wrap:wrap}

/* ============ 相关内容横条卡 ============ */
.rel-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.rel-card{
  display:flex;gap:16px;align-items:center;padding:18px;
  background:var(--bg-1);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);color:var(--text-1);
  transition:border-color var(--dur) var(--ease),transform var(--dur) var(--ease)
}
.rel-card:hover{border-color:var(--line-strong);transform:translateY(-3px);color:var(--text-1)}
.rel-thumb{width:84px;height:84px;flex:none;border-radius:var(--r-sm);overflow:hidden;border:1px solid var(--line)}
.rel-thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .35s var(--ease)}
.rel-card:hover .rel-thumb img{transform:scale(1.06)}
.rel-body{min-width:0}
.rel-cat{font-size:12px;color:var(--primary);background:var(--primary-soft);display:inline-block;padding:3px 9px;border-radius:var(--r-pill);margin-bottom:8px}
.rel-title{font-size:15px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color var(--dur) var(--ease)}
.rel-card:hover .rel-title{color:var(--primary)}
.rel-meta{margin-top:8px;font-size:12px;color:var(--text-3)}

/* ============ 表单 ============ */
.form-panel{
  background:var(--bg-1);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:38px 34px;box-shadow:var(--sh-1);
  display:grid;grid-template-columns:0.9fr 1.1fr;gap:40px;align-items:start
}
.form-intro h2{font-size:var(--fs-h2);margin-bottom:14px}
.form-intro p{color:var(--text-2);font-size:var(--fs-aux)}
.form-points{margin-top:20px;display:flex;flex-direction:column;gap:10px}
.form-points li{position:relative;padding-left:18px;font-size:var(--fs-aux);color:var(--text-2)}
.form-points li::before{content:"";position:absolute;left:0;top:11px;width:7px;height:7px;border-radius:2px;background:var(--accent)}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:1/-1}
.field label{font-size:13px;color:var(--text-2)}
.field input,.field textarea{
  width:100%;background:rgba(255,255,255,.05);border:1px solid var(--glass-bd);border-radius:var(--r-sm);
  color:var(--text-1);font-size:15px;padding:12px 14px;line-height:1.6;
  transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.field textarea{min-height:110px;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3)}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(46,211,192,.14)}
.check-row{grid-column:1/-1;display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--text-2)}
.check-row input{width:16px;height:16px;margin-top:4px;accent-color:var(--primary)}
.form-actions{grid-column:1/-1;display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.form-note{font-size:12px;color:var(--text-3)}

/* ============ CTA 条 ============ */
.cta-bar{
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  padding:34px 36px;border-radius:var(--r-lg);
  background:var(--glass-bg);border:1px solid var(--glass-bd);
  backdrop-filter:blur(18px) saturate(140%);box-shadow:var(--sh-2);
}
.cta-copy h2{font-size:22px;font-weight:700;margin-bottom:8px}
.cta-copy p{margin:0;color:var(--text-2);font-size:var(--fs-aux)}
.cta-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap}

/* ============ 移动端底部操作条 ============ */
.mobile-cta-bar{
  display:none;position:fixed;left:0;right:0;bottom:0;height:64px;z-index:1055;
  align-items:center;justify-content:space-between;gap:12px;padding:0 16px;
  padding-bottom:env(safe-area-inset-bottom);
  background:rgba(17,23,41,.96);backdrop-filter:blur(18px);
  border-top:1px solid rgba(46,211,192,.45);box-shadow:0 -8px 24px rgba(0,0,0,.5);
}
.mobile-cta-bar span{font-size:13px;color:var(--text-2)}

/* ============ 页脚 ============ */
.site-footer{margin-top:96px;border-top:1px solid rgba(46,211,192,.2);background:var(--bg-1);padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:16px;color:var(--text-1)}
.footer-brand .brand-mark{width:32px;height:32px}
.footer-desc{color:var(--text-3);font-size:13px;margin-top:14px;max-width:300px}
.site-footer h4{font-size:14px;font-weight:600;color:var(--text-1);margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{color:var(--text-2);font-size:13.5px}
.footer-links a:hover{color:var(--primary)}
.footer-bottom{
  margin-top:48px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3)
}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  :root{--rail:84px;--fs-h1:34px;--fs-h2:24px}
  .side-rail{padding:22px 12px;align-items:center}
  .brand{padding:0 0 18px;justify-content:center}
  .brand-text{display:none}
  .side-link{justify-content:center;padding:12px 0}
  .side-link span{display:none}
  .rail-foot{align-items:center;width:100%}
  .rail-note{display:none}
  .rail-cta{font-size:0;padding:12px;width:44px;height:44px}
  .rail-cta::after{content:"";width:18px;height:18px;border-radius:4px;background:var(--primary)}
  .container-inner{padding:0 24px}
  .zig-row{gap:28px;padding:22px}
  .rel-list{grid-template-columns:repeat(2,minmax(0,1fr))}
  .form-panel{grid-template-columns:1fr;gap:28px}
}
@media (max-width:991.98px){
  :root{--fs-h1:28px;--fs-h2:22px;--fs-h3:18px;--fs-body:15px}
  body{padding-left:0;padding-top:var(--topbar);padding-bottom:72px}
  .side-rail{display:none}
  .mobile-bar{display:flex}
  .section{padding-block:72px}
  .page-hero{border-radius:var(--r-lg);min-height:320px}
  .page-hero-inner{padding:34px 24px 30px}
  .zig-row,.zig-row.reverse{grid-template-columns:1fr;gap:20px}
  .zig-row.reverse .zig-media{order:0}
  .fact-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .mobile-cta-bar{display:flex}
  .crumb .current{max-width:180px}
}
@media (max-width:767.98px){
  .section{padding-block:56px}
  .container-inner{padding:0 16px}
  .rel-list{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .cta-bar{padding:26px 22px}
  .form-panel{padding:26px 20px}
  .step-panel{padding:26px 20px}
  .step-item{grid-template-columns:44px 1fr;gap:14px}
  .footer-grid{grid-template-columns:1fr}
  .crumb{padding-top:22px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
}

/* roulang page: category2 */
:root{
  --bg-0:#0A0E1A;
  --bg-1:#111729;
  --bg-2:#182034;
  --primary:#2ED3C0;
  --primary-strong:#17B9A8;
  --primary-soft:rgba(46,211,192,.14);
  --accent:#FF5F7E;
  --violet:#7A6BFF;
  --text-1:#EAF0FF;
  --text-2:#A8B4CC;
  --text-3:#6C7893;
  --line:rgba(255,255,255,.10);
  --line-2:rgba(255,255,255,.22);
  --glass-bg:rgba(255,255,255,.06);
  --glass-line:rgba(255,255,255,.12);
  --r-xs:8px;
  --r-sm:12px;
  --r-md:16px;
  --r-lg:20px;
  --r-xl:24px;
  --r-pill:999px;
  --sh-1:0 8px 24px rgba(0,0,0,.35);
  --sh-2:0 18px 48px rgba(0,0,0,.45);
  --sh-glow:0 0 0 1px rgba(46,211,192,.35),0 10px 30px rgba(46,211,192,.28);
  --sp-1:8px;
  --sp-2:16px;
  --sp-3:24px;
  --sp-4:32px;
  --sp-5:48px;
  --sp-6:64px;
  --t-fast:170ms cubic-bezier(.4,0,.2,1);
  --t-base:200ms cubic-bezier(.4,0,.2,1);
  --side-w:248px;
  --side-w-sm:84px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-2);
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  font-weight:400;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  background:
    radial-gradient(680px 420px at 78% -6%,rgba(46,211,192,.10),transparent 68%),
    radial-gradient(520px 360px at 6% 12%,rgba(122,107,255,.10),transparent 70%),
    radial-gradient(600px 400px at 40% 108%,rgba(255,95,126,.06),transparent 72%);
  z-index:0;
}
body,html{scroll-behavior:smooth}
img{max-width:100%;display:block}
a{color:var(--primary);text-decoration:none;transition:color var(--t-fast),opacity var(--t-fast)}
a:hover{color:var(--primary-strong)}
h1,h2,h3,h4{color:var(--text-1);margin:0;font-weight:700;line-height:1.35;letter-spacing:.01em}
p{margin:0 0 1em}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px}
.skip-link{
  position:absolute;left:-999px;top:0;background:var(--bg-2);color:var(--text-1);
  padding:10px 18px;border-radius:var(--r-sm);z-index:2000;
}
.skip-link:focus{left:16px;top:12px}
.container-inner{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;position:relative;z-index:1}

/* ---------- App Shell ---------- */
.side-shell{
  position:fixed;
  left:0;top:0;bottom:0;
  width:var(--side-w);
  background:linear-gradient(180deg,rgba(17,23,41,.96),rgba(10,14,26,.98));
  border-right:1px solid var(--line);
  padding:26px 18px 20px;
  display:flex;
  flex-direction:column;
  gap:22px;
  z-index:1030;
  overflow-y:auto;
}
.brand{display:flex;align-items:center;gap:10px;padding:0 8px}
.brand-mark{
  width:36px;height:36px;flex:0 0 36px;border-radius:12px;
  background:var(--primary-soft);
  border:1px solid rgba(46,211,192,.35);
  display:grid;place-items:center;
}
.brand-mark svg{width:22px;height:22px}
.brand-text{font-size:16px;font-weight:800;color:var(--text-1);letter-spacing:.02em;white-space:nowrap}
.side-nav{display:flex;flex-direction:column;gap:4px}
.side-link{
  position:relative;
  display:flex;align-items:center;gap:12px;
  padding:11px 12px;
  border-radius:var(--r-sm);
  color:var(--text-2);
  font-size:14px;
  line-height:1.4;
  border:1px solid transparent;
  transition:background var(--t-fast),color var(--t-fast),border-color var(--t-fast);
}
.side-link svg{width:20px;height:20px;flex:0 0 20px;color:var(--text-3);transition:color var(--t-fast)}
.side-link:hover{background:rgba(255,255,255,.05);color:var(--text-1)}
.side-link:hover svg{color:var(--primary)}
.side-link.active{
  background:var(--primary-soft);
  border-color:rgba(46,211,192,.28);
  color:var(--text-1);
  font-weight:600;
}
.side-link.active svg{color:var(--primary)}
.side-link.active::before{
  content:"";position:absolute;left:-18px;top:8px;bottom:8px;width:3px;
  border-radius:0 3px 3px 0;
  background:var(--primary);
  box-shadow:0 0 12px rgba(46,211,192,.7);
}
.side-note{
  border:1px solid var(--glass-line);
  background:var(--glass-bg);
  border-radius:var(--r-md);
  padding:14px 14px;
  font-size:13px;
  line-height:1.7;
  color:var(--text-3);
  backdrop-filter:blur(18px) saturate(140%);
}
.side-note strong{display:block;color:var(--text-1);font-size:13px;font-weight:600;margin-bottom:4px}
.side-bottom{margin-top:auto;display:flex;flex-direction:column;gap:12px}
.btn-primary-glow{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:linear-gradient(120deg,var(--primary),var(--primary-strong));
  color:#04211E;font-weight:600;font-size:14px;
  padding:12px 22px;border-radius:var(--r-pill);border:0;
  box-shadow:0 8px 24px rgba(46,211,192,.25);
  transition:transform var(--t-base),box-shadow var(--t-base),filter var(--t-base);
  cursor:pointer;
}
.btn-primary-glow:hover{transform:translateY(-2px);color:#04211E;box-shadow:0 12px 34px rgba(46,211,192,.4)}
.btn-primary-glow:active{transform:translateY(0)}
.side-cta{width:100%}
.side-foot{font-size:12px;line-height:1.7;color:var(--text-3);padding:0 8px;border-top:1px solid var(--line);padding-top:12px}

.topbar{display:none}
.mobile-drawer{background:linear-gradient(180deg,#111729,#0A0E1A);border-right:1px solid var(--line)!important;color:var(--text-2)}
.mobile-drawer .offcanvas-body{padding:22px 18px;display:flex;flex-direction:column;gap:22px}
.offcanvas-backdrop.show{opacity:.62;background:#05070d}

.app-main{margin-left:var(--side-w);position:relative;z-index:1}

/* ---------- Hero ---------- */
.page-hero{padding:64px 0 8px}
.crumb{font-size:13px;color:var(--text-3);margin-bottom:22px}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:0;padding:0;list-style:none}
.crumb li{display:flex;align-items:center;gap:8px}
.crumb li+li::before{content:"";width:5px;height:5px;border-right:1px solid var(--text-3);border-top:1px solid var(--text-3);transform:rotate(45deg);display:inline-block;opacity:.7}
.crumb a{color:var(--text-3)}
.crumb a:hover{color:var(--primary)}
.crumb .current{color:var(--text-2)}
.hero-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:48px;align-items:center}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:var(--primary);
  background:var(--primary-soft);border:1px solid rgba(46,211,192,.28);
  border-radius:var(--r-pill);padding:5px 14px;margin-bottom:18px;
}
.page-hero h1{font-size:40px;font-weight:800;line-height:1.28;margin-bottom:16px;letter-spacing:.01em}
.page-hero h1 em{font-style:normal;color:var(--primary)}
.hero-sub{font-size:16px;line-height:1.85;color:var(--text-2);max-width:640px;margin-bottom:22px}
.badge-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;color:var(--text-2);
  background:var(--glass-bg);border:1px solid var(--glass-line);
  border-radius:var(--r-pill);padding:6px 14px;
  backdrop-filter:blur(18px) saturate(140%);
}
.chip i{width:6px;height:6px;border-radius:50%;background:var(--primary);display:inline-block}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--glass-bg);border:1px solid var(--glass-line);
  color:var(--text-1);font-weight:600;font-size:14px;
  padding:12px 24px;border-radius:var(--r-pill);
  transition:border-color var(--t-base),background var(--t-base),transform var(--t-base);
  backdrop-filter:blur(18px) saturate(140%);
}
.btn-ghost:hover{border-color:var(--primary);background:rgba(46,211,192,.10);color:var(--text-1);transform:translateY(-2px)}
.hero-visual{
  border-radius:var(--r-xl);
  border:1px solid var(--glass-line);
  overflow:hidden;
  position:relative;
  box-shadow:var(--sh-2);
  aspect-ratio:4/3;
}
.hero-visual img{width:100%;height:100%;object-fit:cover}
.hero-visual::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,14,26,0) 40%,rgba(10,14,26,.85));
}
.hero-visual .visual-tag{
  position:absolute;left:16px;bottom:14px;z-index:2;
  font-size:13px;color:var(--text-1);
  background:rgba(10,14,26,.55);border:1px solid var(--glass-line);
  border-radius:var(--r-pill);padding:5px 14px;backdrop-filter:blur(12px);
}

/* ---------- sections ---------- */
.section{padding:48px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px}
.section-head h2{font-size:28px;font-weight:700}
.section-head p{margin:8px 0 0;font-size:14px;color:var(--text-3);max-width:640px}
.link-more{font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px;white-space:nowrap}
.link-more svg{width:16px;height:16px;transition:transform var(--t-fast)}
.link-more:hover svg{transform:translateX(4px)}

/* ---------- timeline ---------- */
.tl-wrap{position:relative;padding-left:6px}
.tl-list{position:relative}
.tl-list::before{
  content:"";position:absolute;left:19px;top:16px;bottom:16px;width:2px;border-radius:2px;
  background:linear-gradient(180deg,rgba(46,211,192,.75),rgba(122,107,255,.35),rgba(255,95,126,.35));
}
.tl-item{position:relative;padding-left:68px;margin-bottom:24px}
.tl-item:last-child{margin-bottom:0}
.tl-node{
  position:absolute;left:0;top:14px;
  width:40px;height:40px;border-radius:50%;
  background:var(--bg-1);
  border:1px solid rgba(46,211,192,.45);
  box-shadow:0 0 0 5px rgba(46,211,192,.07);
  display:grid;place-items:center;
  color:var(--primary);font-size:14px;font-weight:800;
  font-variant-numeric:tabular-nums;
  z-index:2;
}
.tl-card{
  background:var(--bg-1);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:22px 24px;
  display:grid;grid-template-columns:1fr 96px;gap:24px;align-items:center;
  box-shadow:var(--sh-1);
  transition:border-color var(--t-base),background var(--t-base),transform var(--t-base);
}
.tl-card:hover{border-color:var(--line-2);background:var(--bg-2);transform:translateY(-2px)}
.tl-card h3{font-size:20px;font-weight:700;margin-bottom:8px}
.tl-card .tl-stage{
  display:inline-block;font-size:12px;color:var(--accent);
  border:1px solid rgba(255,95,126,.32);background:rgba(255,95,126,.10);
  border-radius:var(--r-pill);padding:2px 10px;margin-bottom:10px;
  font-variant-numeric:tabular-nums;letter-spacing:.02em;
}
.tl-card p{font-size:15px;line-height:1.8;color:var(--text-2);margin:0 0 14px}
.tl-points{display:flex;flex-wrap:wrap;gap:8px}
.tl-points li{
  font-size:13px;color:var(--text-2);
  background:rgba(255,255,255,.05);border:1px solid var(--line);
  border-radius:var(--r-pill);padding:4px 12px;
}
.tl-points li::before{content:"·";color:var(--primary);font-weight:700;margin-right:6px}
.tl-thumb{
  width:96px;height:96px;border-radius:var(--r-md);overflow:hidden;
  border:1px solid var(--line);
}
.tl-thumb img{width:100%;height:100%;object-fit:cover}

/* ---------- scroller cards ---------- */
.scroller{
  display:grid;grid-auto-flow:column;grid-auto-columns:minmax(272px,1fr);
  gap:20px;overflow-x:auto;padding:4px 4px 18px;
  scroll-snap-type:x mandatory;
  scrollbar-width:thin;
}
.scroller::-webkit-scrollbar{height:6px}
.scroller::-webkit-scrollbar-thumb{background:rgba(255,255,255,.14);border-radius:99px}
.glance-card{
  scroll-snap-align:start;
  background:var(--bg-1);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:border-color var(--t-base),transform var(--t-base);
}
.glance-card:hover{border-color:var(--line-2);transform:translateY(-4px)}
.glance-cover{aspect-ratio:16/9;overflow:hidden}
.glance-cover img{width:100%;height:100%;object-fit:cover;transition:transform var(--t-base)}
.glance-card:hover .glance-cover img{transform:scale(1.04)}
.glance-body{padding:18px 20px 20px}
.glance-body h3{font-size:17px;font-weight:600;margin-bottom:8px;line-height:1.5}
.glance-body p{font-size:14px;color:var(--text-3);margin:0;line-height:1.75}
.meta-line{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--text-3);margin-top:12px}
.dot{width:4px;height:4px;border-radius:50%;background:var(--text-3);display:inline-block}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:920px}
.faq-acc .accordion-item{
  background:var(--glass-bg);
  border:1px solid var(--glass-line);
  border-radius:var(--r-md)!important;
  margin-bottom:12px;
  overflow:hidden;
  backdrop-filter:blur(18px) saturate(140%);
}
.faq-acc .accordion-header{margin:0}
.faq-acc .accordion-button{
  background:transparent;
  color:var(--text-1);
  font-size:16px;font-weight:600;
  padding:18px 22px;
  border:0;border-radius:var(--r-md)!important;
  box-shadow:none;
  transition:background var(--t-fast),color var(--t-fast);
}
.faq-acc .accordion-button:not(.collapsed){
  background:rgba(46,211,192,.10);
  color:var(--primary);
  font-weight:700;
  box-shadow:inset 3px 0 0 var(--primary);
}
.faq-acc .accordion-button:focus{box-shadow:none;outline:none}
.faq-acc .accordion-button:focus-visible{outline:2px solid var(--primary);outline-offset:-2px}
.faq-acc .accordion-button::after{
  content:"";width:9px;height:9px;margin-left:auto;flex:0 0 auto;
  border-right:2px solid var(--text-2);border-bottom:2px solid var(--text-2);
  transform:rotate(45deg);background-image:none;
  transition:transform var(--t-fast),border-color var(--t-fast);
}
.faq-acc .accordion-button:not(.collapsed)::after{
  transform:rotate(-135deg);border-color:var(--primary);
}
.faq-acc .accordion-body{
  padding:4px 22px 20px;
  font-size:15px;line-height:1.85;color:var(--text-2);
}

/* ---------- related cards ---------- */
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.rel-card{
  display:grid;grid-template-columns:96px 1fr;gap:16px;align-items:center;
  background:var(--bg-1);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:14px;box-shadow:var(--sh-1);
  color:var(--text-2);
  transition:border-color var(--t-base),background var(--t-base);
}
.rel-card:hover{border-color:var(--line-2);background:var(--bg-2);color:var(--text-2)}
.rel-thumb{width:96px;height:96px;border-radius:var(--r-md);overflow:hidden}
.rel-thumb img{width:100%;height:100%;object-fit:cover}
.rel-card h3{font-size:15px;font-weight:600;color:var(--text-1);margin-bottom:6px;line-height:1.5}
.rel-card:hover h3{color:var(--primary)}
.rel-card p{font-size:13px;color:var(--text-3);margin:0;line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* ---------- CTA ---------- */
.cta-bar{
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  background:var(--glass-bg);
  border:1px solid var(--glass-line);
  border-radius:var(--r-xl);
  padding:28px 32px;
  backdrop-filter:blur(18px) saturate(140%);
  box-shadow:var(--sh-1);
  position:relative;overflow:hidden;
}
.cta-bar::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:linear-gradient(180deg,var(--primary),var(--accent));
}
.cta-bar h2{font-size:22px;margin-bottom:6px}
.cta-bar p{margin:0;font-size:14px;color:var(--text-3)}
.cta-actions{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600}
.link-arrow svg{width:16px;height:16px;transition:transform var(--t-fast)}
.link-arrow:hover svg{transform:translateX(4px)}

/* ---------- footer ---------- */
.site-footer{
  margin-top:64px;
  background:linear-gradient(180deg,rgba(17,23,41,.6),rgba(10,14,26,.95));
  border-top:1px solid rgba(46,211,192,.2);
  padding:56px 0 28px;
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;color:var(--text-1);font-weight:800;font-size:16px;margin-bottom:14px}
.footer-brand .brand-mark{width:32px;height:32px;flex:0 0 32px}
.footer-desc{font-size:14px;color:var(--text-3);line-height:1.8;max-width:340px}
.site-footer h4{font-size:14px;color:var(--text-1);margin-bottom:14px;font-weight:600}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:var(--text-3)}
.footer-links a:hover{color:var(--primary)}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:13px;color:var(--text-3);
}

/* ---------- mobile bottom bar ---------- */
.mobile-cta{display:none}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  :root{--side-w:var(--side-w-sm)}
  .side-shell{padding:22px 12px;align-items:center}
  .brand{justify-content:center;padding:0}
  .brand-text{display:none}
  .side-link{justify-content:center;padding:12px 8px}
  .side-link span{display:none}
  .side-link.active::before{left:-12px}
  .side-note{display:none}
  .side-cta{padding:12px 10px;font-size:0;gap:0}
  .side-cta::after{
    content:"";width:18px;height:18px;
    background:currentColor;color:#04211E;
    -webkit-mask:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path d='M4 12h15M13 6l6 6-6 6' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/></svg>") center/contain no-repeat;
    mask:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path d='M4 12h15M13 6l6 6-6 6' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/></svg>") center/contain no-repeat;
  }
  .side-foot{text-align:center;font-size:11px;padding:12px 0 0}
  .hero-grid{gap:32px}
  .page-hero h1{font-size:34px}
  .rel-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:991px){
  .side-shell{display:none}
  .app-main{margin-left:0;padding-top:56px}
  .topbar{
    display:flex;align-items:center;justify-content:space-between;gap:12px;
    position:fixed;left:0;right:0;top:0;height:56px;padding:0 16px;
    background:rgba(10,14,26,.92);
    border-bottom:1px solid var(--line);
    backdrop-filter:blur(18px) saturate(140%);
    z-index:1040;
  }
  .topbar-toggle{
    width:38px;height:38px;border-radius:var(--r-sm);
    background:var(--glass-bg);border:1px solid var(--glass-line);
    display:grid;place-items:center;color:var(--text-1);cursor:pointer;
  }
  .topbar-toggle svg{width:20px;height:20px}
  .topbar-brand{font-size:15px;font-weight:800;color:var(--text-1)}
  .topbar-cta{
    font-size:13px;font-weight:600;color:#04211E;
    background:linear-gradient(120deg,var(--primary),var(--primary-strong));
    border-radius:var(--r-pill);padding:7px 14px;
  }
  .topbar-cta:hover{color:#04211E}
  .section{padding:36px 0}
  .page-hero{padding:36px 0 0}
  .hero-grid{grid-template-columns:1fr;gap:28px}
  .hero-visual{aspect-ratio:16/9}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px}
  .cta-bar{flex-direction:column;align-items:flex-start;padding:24px 22px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
  .mobile-cta{
    display:flex;align-items:center;justify-content:space-between;gap:12px;
    position:fixed;left:0;right:0;bottom:0;height:64px;
    padding:0 16px calc(0px + env(safe-area-inset-bottom,0px));
    background:rgba(17,23,41,.95);
    border-top:1px solid rgba(46,211,192,.45);
    box-shadow:0 -6px 22px rgba(46,211,192,.16);
    backdrop-filter:blur(18px) saturate(140%);
    z-index:1040;
    font-size:13px;
    height:calc(64px + env(safe-area-inset-bottom,0px));
  }
  .mobile-cta span{color:var(--text-2);font-size:13px}
  body{padding-bottom:76px}
}
@media (max-width:767px){
  .container-inner{padding:0 16px}
  .page-hero h1{font-size:28px}
  .section-head h2{font-size:22px}
  .section{padding:28px 0}
  .tl-item{padding-left:56px}
  .tl-list::before{left:15px}
  .tl-node{width:32px;height:32px;font-size:12px;top:16px}
  .tl-card{grid-template-columns:1fr;gap:16px;padding:20px 18px}
  .tl-thumb{width:100%;height:150px}
  .rel-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .scroller{grid-auto-columns:minmax(248px,82%)}
}
@media (max-width:575px){
  .page-hero h1{font-size:26px}
  .hero-sub{font-size:15px}
  .badge-row{gap:8px}
  .chip{font-size:12px;padding:5px 12px}
  .btn-primary-glow,.btn-ghost{width:100%;justify-content:center}
  .hero-actions{gap:10px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
}

/* roulang page: category3 */
:root{
  --bg-0:#0A0E1A;
  --bg-1:#111729;
  --bg-2:#182034;
  --primary:#2ED3C0;
  --primary-strong:#17B9A8;
  --primary-soft:rgba(46,211,192,.14);
  --accent:#FF5F7E;
  --violet:#7A6BFF;
  --text-1:#EAF0FF;
  --text-2:#A8B4CC;
  --text-3:#6C7893;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.2);
  --glass-bg:rgba(255,255,255,.06);
  --glass-line:rgba(255,255,255,.12);
  --r-xs:8px;
  --r-sm:12px;
  --r-md:16px;
  --r-lg:20px;
  --r-xl:24px;
  --r-pill:999px;
  --sh-1:0 8px 24px rgba(0,0,0,.35);
  --sh-2:0 18px 48px rgba(0,0,0,.45);
  --sh-glow:0 0 0 1px rgba(46,211,192,.35),0 10px 30px rgba(46,211,192,.28);
  --dur:.2s;
  --ease:cubic-bezier(.4,0,.2,1);
  --nav-w:248px;
  --nav-w-sm:84px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-1);
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-md);}
a{color:var(--primary);text-decoration:none;transition:color var(--dur) var(--ease);}
a:hover{color:#63e8d8;}
h1,h2,h3,h4{margin:0;line-height:1.4;color:var(--text-1);}
h1{font-weight:800;font-size:40px;letter-spacing:.01em;}
h2{font-weight:700;font-size:28px;}
h3{font-weight:600;font-size:20px;}
h4{font-weight:600;font-size:16px;}
p{margin:0 0 1em;}
ul,ol{margin:0 0 1em;padding-left:1.3em;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}
::selection{background:rgba(46,211,192,.28);color:#fff;}

/* ---------- App Shell ---------- */
.app-shell{padding-left:var(--nav-w);min-height:100vh;}
.container-inner{max-width:1200px;margin:0 auto;padding:0 32px;}

.side-shell{
  position:fixed;
  top:0;left:0;bottom:0;
  width:var(--nav-w);
  background:linear-gradient(180deg,#0d1322 0%,#0A0E1A 100%);
  border-right:1px solid var(--line);
  display:flex;
  flex-direction:column;
  padding:26px 18px 22px;
  z-index:1040;
}
.side-brand{display:flex;align-items:center;gap:10px;padding:0 8px 24px;}
.brand-mark{
  width:34px;height:34px;flex:0 0 34px;border-radius:11px;
  background:radial-gradient(circle at 30% 25%,rgba(46,211,192,.35),rgba(122,107,255,.18));
  border:1px solid rgba(46,211,192,.35);
  display:flex;align-items:center;justify-content:center;
}
.brand-mark svg{width:20px;height:20px;}
.brand-text{font-weight:700;font-size:16px;color:var(--text-1);letter-spacing:.02em;}

.side-nav{display:flex;flex-direction:column;gap:4px;flex:1 1 auto;}
.side-link{
  position:relative;
  display:flex;align-items:center;gap:11px;
  padding:11px 12px;
  border-radius:var(--r-sm);
  color:var(--text-2);
  font-size:15px;
  line-height:1.4;
  transition:background var(--dur) var(--ease),color var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.side-link svg{width:19px;height:19px;flex:0 0 19px;color:var(--text-3);transition:color var(--dur) var(--ease);}
.side-link:hover{background:rgba(255,255,255,.045);color:var(--text-1);}
.side-link:hover svg{color:var(--primary);}
.side-link.active{
  background:rgba(46,211,192,.09);
  color:var(--text-1);
  font-weight:600;
}
.side-link.active::before{
  content:"";
  position:absolute;left:-18px;top:9px;bottom:9px;width:3px;
  border-radius:0 3px 3px 0;
  background:var(--primary);
  box-shadow:0 0 12px rgba(46,211,192,.75);
}
.side-link.active svg{color:var(--primary);}
.side-foot{padding-top:18px;border-top:1px solid var(--line);}
.side-foot p{margin:10px 0 0;font-size:12px;color:var(--text-3);line-height:1.6;}

/* ---------- 顶部移动栏 ---------- */
.topbar{display:none;}
.drawer{display:none;}

/* ---------- 按钮 ---------- */
.btn-x{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;color:#04211e;
  background:linear-gradient(120deg,var(--primary) 0%,var(--primary-strong) 100%);
  border:0;cursor:pointer;
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),filter var(--dur) var(--ease);
}
.btn-x:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(46,211,192,.4),0 15px 45px rgba(46,211,192,.42);color:#04211e;}
.btn-x:active{transform:translateY(0);}
.btn-x.sm{padding:10px 20px;font-size:14px;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;color:var(--text-1);
  background:var(--glass-bg);
  border:1px solid var(--glass-line);
  backdrop-filter:blur(18px) saturate(140%);
  transition:border-color var(--dur) var(--ease),background var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.btn-ghost:hover{border-color:var(--primary);background:rgba(46,211,192,.12);color:var(--text-1);transform:translateY(-2px);}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--primary);}
.link-more svg{width:15px;height:15px;transition:transform var(--dur) var(--ease);}
.link-more:hover svg{transform:translateX(4px);}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0;}
.section.tight{padding:72px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;}
.section-head p{margin:8px 0 0;color:var(--text-2);font-size:15px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:var(--primary);letter-spacing:.06em;
  margin-bottom:14px;
}
.eyebrow::before{content:"";width:18px;height:1px;background:var(--primary);}
.tag{
  display:inline-flex;align-items:center;
  padding:5px 12px;border-radius:var(--r-pill);
  font-size:13px;color:var(--text-2);
  background:var(--glass-bg);border:1px solid var(--glass-line);
}
.tag.primary{color:var(--primary);background:var(--primary-soft);border-color:rgba(46,211,192,.3);}
.card-surface{
  background:var(--bg-1);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
}

/* ---------- 面包屑 ---------- */
.crumb{font-size:13px;color:var(--text-3);}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;list-style:none;margin:0;padding:0;}
.crumb li{display:flex;align-items:center;gap:8px;}
.crumb li::after{content:"";width:5px;height:5px;border-top:1px solid var(--text-3);border-right:1px solid var(--text-3);transform:rotate(45deg);opacity:.7;}
.crumb li:last-child::after{display:none;}
.crumb a{color:var(--text-2);}
.crumb a:hover{color:var(--primary);}
.crumb .current{color:var(--text-3);}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;
  padding:56px 0 8px;
  background:
    radial-gradient(900px 420px at 82% -10%,rgba(46,211,192,.14),transparent 62%),
    radial-gradient(700px 380px at 4% 6%,rgba(122,107,255,.12),transparent 60%);
  overflow:hidden;
}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.028) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.028) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.75),transparent 82%);
}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;padding:28px 0 40px;}
.hero-copy h1{margin-bottom:16px;}
.hero-copy .sub{color:var(--text-2);font-size:17px;max-width:560px;margin-bottom:24px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;}
.hero-visual{
  position:relative;
  border-radius:var(--r-xl);
  border:1px solid var(--glass-line);
  background:var(--glass-bg);
  backdrop-filter:blur(18px) saturate(140%);
  padding:16px;
  box-shadow:var(--sh-2);
}
.hero-visual img{border-radius:var(--r-md);aspect-ratio:4/3;object-fit:cover;width:100%;}
.hero-visual .veil{
  position:absolute;left:16px;right:16px;bottom:16px;height:42%;
  border-radius:0 0 var(--r-md) var(--r-md);
  background:linear-gradient(180deg,transparent,var(--bg-0) 88%);
  pointer-events:none;
}
.hero-visual .vs-list{position:absolute;left:32px;right:32px;bottom:32px;z-index:3;display:flex;flex-direction:column;gap:8px;}
.vs-item{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--text-2);background:rgba(10,14,26,.6);border:1px solid var(--glass-line);border-radius:var(--r-pill);padding:6px 14px;backdrop-filter:blur(10px);}
.vs-item b{color:var(--primary);font-weight:600;font-variant-numeric:tabular-nums;}

/* ---------- 数据卡 ---------- */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.stat-card{
  background:var(--bg-1);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px 24px;box-shadow:var(--sh-1);
  transition:transform var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.stat-card:hover{transform:translateY(-4px);border-color:var(--line-strong);}
.stat-num{font-size:38px;font-weight:800;line-height:1.1;color:var(--text-1);font-variant-numeric:tabular-nums;letter-spacing:.01em;}
.stat-num em{font-style:normal;color:var(--accent);}
.stat-label{margin-top:10px;font-size:15px;font-weight:600;color:var(--text-1);}
.stat-note{margin-top:6px;font-size:13px;color:var(--text-3);line-height:1.7;}

/* ---------- 表格 ---------- */
.table-scroll{overflow-x:auto;border-radius:var(--r-lg);}
.spec-table{width:100%;min-width:720px;border-collapse:separate;border-spacing:0;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;font-size:15px;}
.spec-table caption{caption-side:top;text-align:left;font-size:13px;color:var(--text-3);padding:0 0 12px;}
.spec-table thead th{
  background:var(--bg-2);color:var(--text-1);
  font-weight:600;font-size:14px;text-align:left;
  padding:15px 18px;border-bottom:1px solid var(--line);
  white-space:nowrap;
}
.spec-table tbody td{padding:15px 18px;color:var(--text-2);border-bottom:1px solid var(--line);vertical-align:top;line-height:1.75;}
.spec-table tbody tr:nth-child(even){background:rgba(255,255,255,.022);}
.spec-table tbody tr:hover{background:rgba(46,211,192,.06);}
.spec-table tbody tr:last-child td{border-bottom:0;}
.spec-table .cell-key{color:var(--text-1);font-weight:600;white-space:nowrap;}
.spec-table .cell-mark{color:var(--primary);font-weight:600;}
.table-note{margin-top:14px;font-size:13px;color:var(--text-3);}

/* ---------- 折叠式分组说明 ---------- */
.acc-wrap{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:start;}
.faq-acc .accordion-item{
  background:var(--glass-bg);
  border:1px solid var(--glass-line);
  border-radius:var(--r-md);
  margin-bottom:12px;
  overflow:hidden;
  backdrop-filter:blur(18px) saturate(140%);
}
.faq-acc .accordion-item:last-child{margin-bottom:0;}
.faq-acc .accordion-button{
  background:transparent;
  color:var(--text-1);
  font-size:16px;
  font-weight:600;
  padding:18px 52px 18px 20px;
  border:0;
  box-shadow:none;
  line-height:1.6;
  transition:color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.faq-acc .accordion-button:not(.collapsed){
  color:var(--primary);
  font-weight:700;
  box-shadow:inset 3px 0 0 var(--primary);
  background:rgba(46,211,192,.07);
}
.faq-acc .accordion-button:focus{box-shadow:inset 3px 0 0 var(--primary);}
.faq-acc .accordion-button::after{
  width:10px;height:10px;margin-right:6px;
  background-image:none;
  border-right:2px solid currentColor;
  border-bottom:2px solid currentColor;
  transform:rotate(45deg);
  transition:transform var(--dur) var(--ease);
}
.faq-acc .accordion-button:not(.collapsed)::after{transform:rotate(-135deg);background-image:none;}
.faq-acc .accordion-body{
  padding:4px 20px 22px;
  color:var(--text-2);
  font-size:15px;
  line-height:1.85;
  border-top:1px solid var(--line);
  margin-top:2px;
}
.faq-acc .accordion-body p:last-child{margin-bottom:0;}
.faq-acc .accordion-body strong{color:var(--text-1);font-weight:600;}

/* ---------- 编号清单 ---------- */
.step-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:14px;}
.step-item{
  display:grid;grid-template-columns:64px 1fr auto;gap:20px;align-items:center;
  background:var(--bg-1);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:20px 24px;
  transition:transform var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.step-item:hover{transform:translateY(-3px);border-color:var(--line-strong);}
.step-index{
  font-size:34px;font-weight:800;line-height:1;
  color:transparent;-webkit-text-stroke:1px rgba(46,211,192,.75);
  font-variant-numeric:tabular-nums;
}
.step-title{font-size:17px;font-weight:600;color:var(--text-1);margin-bottom:6px;}
.step-text{font-size:14px;color:var(--text-2);line-height:1.75;margin:0;}
.step-chip{
  font-size:13px;color:var(--accent);
  background:rgba(255,95,126,.12);
  border:1px solid rgba(255,95,126,.28);
  border-radius:var(--r-pill);
  padding:4px 12px;white-space:nowrap;
}

/* ---------- 横条卡 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-row{
  display:grid;grid-template-columns:112px 1fr;gap:18px;
  background:var(--bg-1);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:16px;box-shadow:var(--sh-1);
  transition:border-color var(--dur) var(--ease),background var(--dur) var(--ease);
}
.news-row:hover{border-color:var(--line-strong);}
.news-row img{width:112px;height:96px;object-fit:cover;border-radius:var(--r-sm);}
.news-meta{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--text-3);margin-bottom:8px;}
.badge-cat{
  font-size:12px;color:var(--primary);
  background:rgba(46,211,192,.12);
  border-radius:var(--r-xs);
  padding:3px 9px;
}
.news-title{font-size:15px;font-weight:600;color:var(--text-1);line-height:1.6;margin:0 0 6px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-row:hover .news-title{color:var(--primary);}
.news-desc{font-size:13px;color:var(--text-2);margin:0;line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}

/* ---------- 引用提示条 ---------- */
.quote-bar{
  border-left:3px solid var(--primary);
  background:var(--bg-1);
  border-radius:0 var(--r-md) var(--r-md) 0;
  padding:22px 26px;
  color:var(--text-2);
  font-size:15px;
  line-height:1.85;
}
.quote-bar strong{color:var(--text-1);}

/* ---------- CTA ---------- */
.cta-bar{
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  background:var(--glass-bg);
  border:1px solid var(--glass-line);
  border-radius:var(--r-xl);
  padding:32px 36px;
  backdrop-filter:blur(18px) saturate(140%);
  box-shadow:var(--sh-2);
}
.cta-bar h3{margin-bottom:8px;}
.cta-bar p{margin:0;color:var(--text-2);font-size:15px;}
.cta-actions{display:flex;align-items:center;gap:18px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:#080C16;
  border-top:1px solid rgba(46,211,192,.2);
  padding:64px 0 28px;
  margin-top:24px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:16px;color:var(--text-1);margin-bottom:14px;}
.footer-desc{color:var(--text-3);font-size:14px;line-height:1.8;margin:0;max-width:320px;}
.site-footer h4{font-size:14px;color:var(--text-2);margin-bottom:16px;letter-spacing:.04em;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{color:var(--text-3);font-size:14px;}
.footer-links a:hover{color:var(--primary);}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:48px;padding-top:22px;
  border-top:1px solid var(--line);
  color:var(--text-3);font-size:13px;
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .app-shell{padding-left:var(--nav-w-sm);}
  .side-shell{width:var(--nav-w-sm);padding:22px 12px 18px;align-items:center;}
  .side-brand{padding:0 0 20px;}
  .brand-text{display:none;}
  .side-link{flex-direction:column;gap:6px;padding:12px 6px;font-size:11px;text-align:center;width:100%;}
  .side-link span{font-size:11px;line-height:1.35;}
  .side-link.active::before{left:-12px;}
  .side-foot p{display:none;}
  .side-foot .btn-x{width:100%;padding:10px 0;font-size:12px;}
  .hero-grid{gap:36px;}
}
@media (max-width:991.98px){
  .app-shell{padding-left:0;padding-top:56px;}
  .side-shell{display:none;}
  .topbar{
    display:flex;align-items:center;justify-content:space-between;gap:12px;
    position:fixed;top:0;left:0;right:0;height:56px;
    padding:0 16px;
    background:rgba(10,14,26,.92);
    border-bottom:1px solid var(--line);
    backdrop-filter:blur(14px);
    z-index:1050;
  }
  .topbar-toggle{
    width:38px;height:38px;border-radius:var(--r-sm);
    background:var(--glass-bg);border:1px solid var(--glass-line);
    display:flex;align-items:center;justify-content:center;color:var(--text-1);
  }
  .topbar-toggle svg{width:18px;height:18px;}
  .topbar-brand{display:flex;align-items:center;gap:8px;color:var(--text-1);font-weight:700;font-size:15px;}
  .topbar-brand .brand-mark{width:28px;height:28px;flex:0 0 28px;border-radius:9px;}
  .topbar-brand .brand-mark svg{width:16px;height:16px;}
  .topbar-cta{
    font-size:13px;font-weight:600;color:var(--primary);
    border:1px solid rgba(46,211,192,.35);border-radius:var(--r-pill);
    padding:6px 14px;
  }
  .drawer{display:block;background:var(--bg-1);width:82%;max-width:320px;border-right:1px solid var(--line);}
  .drawer .offcanvas-header{border-bottom:1px solid var(--line);padding:18px 18px;}
  .drawer-title{font-size:16px;font-weight:700;}
  .drawer-close{
    width:34px;height:34px;border-radius:var(--r-sm);
    background:transparent;border:1px solid var(--glass-line);
    color:var(--text-2);font-size:20px;line-height:1;
  }
  .drawer .offcanvas-body{padding:14px 12px;}
  .drawer .side-link{flex-direction:row;font-size:15px;padding:12px;}
  .drawer .side-link span{font-size:15px;}
  .drawer .side-link.active::before{left:-12px;}
  .drawer .side-foot{display:block;padding:16px 12px 0;}
  .drawer .side-foot p{font-size:12px;}

  .container-inner{padding:0 24px;}
  .section{padding:72px 0;}
  .section.tight{padding:56px 0;}
  h1{font-size:30px;}
  h2{font-size:23px;}
  .hero-grid{grid-template-columns:1fr;gap:32px;padding:20px 0 28px;}
  .hero-copy .sub{font-size:16px;}
  .stat-grid{grid-template-columns:repeat(2,1fr);}
  .acc-wrap{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:1fr;}
  .cta-bar{flex-direction:column;align-items:flex-start;padding:26px 24px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:575.98px){
  body{font-size:15px;line-height:1.75;}
  .container-inner{padding:0 16px;}
  .section{padding:56px 0;}
  h1{font-size:26px;}
  h2{font-size:21px;}
  h3{font-size:18px;}
  .hero-tags{gap:8px;}
  .stat-grid{grid-template-columns:1fr;gap:16px;}
  .stat-num{font-size:30px;}
  .step-item{grid-template-columns:40px 1fr;gap:14px;padding:16px;}
  .step-index{font-size:24px;}
  .step-chip{grid-column:2;justify-self:start;margin-top:8px;}
  .news-row{grid-template-columns:88px 1fr;gap:14px;}
  .news-row img{width:88px;height:78px;}
  .hero-visual .vs-list{left:20px;right:20px;bottom:20px;}
  .footer-grid{grid-template-columns:1fr;gap:24px;}
  .cta-actions{width:100%;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category4 */
:root{
  --bg-0:#0A0E1A;
  --bg-1:#111729;
  --bg-2:#182034;
  --primary:#2ED3C0;
  --primary-strong:#17B9A8;
  --primary-soft:rgba(46,211,192,.14);
  --accent:#FF5F7E;
  --violet:#7A6BFF;
  --text-1:#EAF0FF;
  --text-2:#A8B4CC;
  --text-3:#6C7893;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.18);
  --glass-bg:rgba(255,255,255,.06);
  --glass-bd:rgba(255,255,255,.12);
  --r-xs:8px;
  --r-sm:12px;
  --r-md:16px;
  --r-lg:20px;
  --r-xl:24px;
  --r-pill:999px;
  --sh-1:0 8px 24px rgba(0,0,0,.35);
  --sh-2:0 18px 48px rgba(0,0,0,.45);
  --sh-glow:0 0 0 1px rgba(46,211,192,.35), 0 10px 30px rgba(46,211,192,.28);
  --ease:cubic-bezier(.4,0,.2,1);
  --dur:200ms;
  --rail-w:248px;
  --sect:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-1);
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.nav-open{overflow:hidden}
img{max-width:100%;display:block;border-radius:var(--r-md)}
a{color:var(--primary);text-decoration:none;transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease)}
a:hover{color:var(--primary-strong)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
h1,h2,h3,h4{font-weight:700;line-height:1.35;color:var(--text-1)}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:var(--r-xs)}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--bg-2);color:var(--text-1);padding:10px 16px;border-radius:0 0 var(--r-sm) 0;z-index:200}
.skip-link:focus{left:0}

/* ---------- 容器 ---------- */
.container-inner{max-width:1280px;margin:0 auto;padding:0 32px}
.main-area{position:relative;margin-left:var(--rail-w);min-height:100vh}
.content-max{max-width:1200px}

/* ---------- 侧栏 ---------- */
.side-rail{
  position:fixed;top:0;left:0;bottom:0;width:var(--rail-w);
  display:flex;flex-direction:column;
  padding:26px 18px 22px;
  background:linear-gradient(180deg,var(--bg-1),var(--bg-0));
  border-right:1px solid var(--line);
  z-index:60;
  overflow-y:auto;
}
.brand{display:flex;align-items:center;gap:11px;color:var(--text-1);font-weight:800;font-size:16.5px;letter-spacing:.01em}
.brand:hover{color:var(--text-1)}
.brand-mark{width:36px;height:36px;flex:0 0 36px;display:grid;place-items:center;border-radius:var(--r-sm);background:var(--primary-soft);border:1px solid rgba(46,211,192,.32)}
.brand-mark svg{width:20px;height:20px}
.brand-text{white-space:nowrap}
.side-nav{display:flex;flex-direction:column;gap:4px;margin-top:30px}
.side-link{
  position:relative;display:flex;align-items:center;gap:12px;
  padding:11px 14px;border-radius:var(--r-sm);
  color:var(--text-2);font-size:14.5px;line-height:1.4;
  transition:background var(--dur) var(--ease),color var(--dur) var(--ease);
}
.side-link svg{width:19px;height:19px;flex:0 0 19px;color:var(--text-3);transition:color var(--dur) var(--ease)}
.side-link span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.side-link::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:0;border-radius:0 3px 3px 0;background:var(--primary);
  box-shadow:0 0 12px rgba(46,211,192,.85);transition:height var(--dur) var(--ease);
}
.side-link:hover{background:rgba(255,255,255,.05);color:var(--text-1)}
.side-link:hover svg{color:var(--text-2)}
.side-link.active{background:var(--primary-soft);color:var(--text-1)}
.side-link.active svg{color:var(--primary)}
.side-link.active::before{height:22px}
.rail-foot{margin-top:auto;padding-top:22px;border-top:1px solid var(--line)}
.rail-copy{margin-top:14px;font-size:12.5px;color:var(--text-3);line-height:1.7}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;cursor:pointer;font-weight:600;font-size:15px;line-height:1;border-radius:var(--r-pill);padding:14px 28px;transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),background var(--dur) var(--ease),border-color var(--dur) var(--ease),color var(--dur) var(--ease)}
.btn-primary{background:linear-gradient(120deg,var(--primary),var(--primary-strong));color:#04201E;box-shadow:0 8px 22px rgba(46,211,192,.26)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 34px rgba(46,211,192,.42);color:#04201E}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:var(--glass-bg);border-color:var(--glass-bd);color:var(--text-1);backdrop-filter:blur(18px) saturate(140%)}
.btn-ghost:hover{border-color:var(--primary);background:rgba(255,255,255,.1);color:var(--text-1)}
.btn-sm{padding:11px 20px;font-size:13.5px;width:100%}
.btn-text{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-weight:600;font-size:14.5px;background:none;border:0;padding:0;cursor:pointer}
.btn-text svg{width:16px;height:16px;transition:transform var(--dur) var(--ease)}
.btn-text:hover svg{transform:translateX(4px)}

/* ---------- 顶部栏（移动端） ---------- */
.topbar{
  display:none;position:fixed;top:0;left:0;right:0;height:56px;z-index:70;
  align-items:center;gap:12px;padding:0 16px;
  background:rgba(10,14,26,.92);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-toggle{width:40px;height:40px;display:grid;place-items:center;border-radius:var(--r-sm);background:rgba(255,255,255,.05);border:1px solid var(--glass-bd);color:var(--text-1);cursor:pointer;transition:border-color var(--dur) var(--ease)}
.nav-toggle:hover{border-color:var(--primary)}
.nav-toggle svg{width:20px;height:20px}
.topbar .brand{font-size:15px}
.topbar .brand-mark{width:30px;height:30px;flex:0 0 30px}
.nav-scrim{position:fixed;inset:0;background:rgba(4,7,14,.66);opacity:0;visibility:hidden;transition:opacity var(--dur) var(--ease),visibility var(--dur) var(--ease);z-index:55}
body.nav-open .nav-scrim{opacity:1;visibility:visible}

/* ---------- 页头 ---------- */
.page-head{position:relative;padding:56px 0 44px;overflow:hidden}
.page-head::before{
  content:"";position:absolute;inset:0;z-index:0;
  background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  opacity:.2;
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.9),rgba(0,0,0,0));
  mask-image:linear-gradient(180deg,rgba(0,0,0,.9),rgba(0,0,0,0));
}
.page-head>.container-inner{position:relative;z-index:1}
.breadcrumb-nav ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:20px}
.breadcrumb-nav li{display:flex;align-items:center;gap:8px}
.breadcrumb-nav li+li::before{content:"\203A";color:var(--text-3);opacity:.7}
.breadcrumb-nav a{color:var(--text-3)}
.breadcrumb-nav a:hover{color:var(--primary)}
.breadcrumb-nav .current{color:var(--text-2)}
.page-head h1{font-size:40px;font-weight:800;letter-spacing:-.012em;line-height:1.28;max-width:900px}
.page-sub{margin-top:16px;max-width:760px;font-size:16px;line-height:1.85;color:var(--text-2)}
.stat-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.stat-chip{display:flex;flex-direction:column;gap:2px;padding:12px 20px;border-radius:var(--r-md);background:rgba(255,255,255,.04);border:1px solid var(--line)}
.stat-chip b{font-size:20px;font-weight:800;color:var(--primary);font-variant-numeric:tabular-nums;line-height:1.3}
.stat-chip span{font-size:12.5px;color:var(--text-3)}

/* ---------- 板块 ---------- */
.section{padding:var(--sect) 0}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:36px}
.section-head h2{font-size:28px;font-weight:700;letter-spacing:-.008em}
.section-head p{margin-top:10px;font-size:15px;color:var(--text-2);max-width:640px;line-height:1.8}

/* ---------- 图文瀑布 ---------- */
.waterfall{column-count:2;column-gap:24px}
.wf-card{
  break-inside:avoid;display:inline-block;width:100%;margin:0 0 24px;
  background:var(--bg-1);border:1px solid var(--line);border-radius:18px;
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform var(--dur) var(--ease),border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.wf-card:hover{transform:translateY(-4px);border-color:rgba(255,255,255,.22);box-shadow:var(--sh-2)}
.wf-media{overflow:hidden}
.wf-media img{width:100%;height:auto;border-radius:0;transition:transform 260ms var(--ease)}
.wf-card:hover .wf-media img{transform:scale(1.04)}
.wf-card.is-tall .wf-media img{aspect-ratio:4/5;object-fit:cover}
.wf-card.is-wide .wf-media img{aspect-ratio:16/10;object-fit:cover}
.wf-body{padding:20px 20px 24px}
.wf-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--text-3)}
.tag{display:inline-block;font-size:12.5px;line-height:1;padding:4px 11px;border-radius:var(--r-pill);background:var(--primary-soft);color:var(--primary);border:1px solid rgba(46,211,192,.22)}
.tag-accent{background:rgba(255,95,126,.14);color:var(--accent);border-color:rgba(255,95,126,.26)}
.wf-body h3{margin:13px 0 10px;font-size:19px;font-weight:600;line-height:1.45;transition:color var(--dur) var(--ease)}
.wf-card:hover .wf-body h3{color:var(--primary)}
.wf-body p{font-size:14.5px;line-height:1.85;color:var(--text-2)}
.wf-list{margin-top:12px;display:flex;flex-direction:column;gap:8px}
.wf-list li{position:relative;padding-left:16px;font-size:14px;color:var(--text-2);line-height:1.75}
.wf-list li::before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:2px;background:var(--primary);opacity:.85}

/* ---------- 引用提示条 ---------- */
.quote-band{
  margin:var(--sect) 0;
  padding:28px 32px;
  border-radius:var(--r-lg);
  background:var(--glass-bg);
  border:1px solid var(--glass-bd);
  border-left:3px solid var(--primary);
  backdrop-filter:blur(18px) saturate(140%);
}
.quote-band p{font-size:17px;line-height:1.85;color:var(--text-1);max-width:920px}
.quote-band span{display:block;margin-top:10px;font-size:13.5px;color:var(--text-3)}

/* ---------- 查阅说明 ---------- */
.notes-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.note-item{padding:26px 24px;border-radius:18px;background:var(--bg-1);border:1px solid var(--line);transition:border-color var(--dur) var(--ease),transform var(--dur) var(--ease)}
.note-item:hover{border-color:rgba(255,255,255,.2);transform:translateY(-3px)}
.note-num{font-size:26px;font-weight:800;color:transparent;-webkit-text-stroke:1px rgba(46,211,192,.6);line-height:1;font-variant-numeric:tabular-nums}
.note-item h3{margin-top:14px;font-size:17px;font-weight:600}
.note-item p{margin-top:10px;font-size:14px;line-height:1.8;color:var(--text-2)}

/* ---------- 问答 ---------- */
.qa-list{display:flex;flex-direction:column;gap:12px;max-width:900px}
.qa-item{
  background:rgba(255,255,255,.045);
  border:1px solid var(--glass-bd);
  border-radius:var(--r-md);
  overflow:hidden;
  transition:border-color var(--dur) var(--ease),background var(--dur) var(--ease);
}
.qa-item[open]{border-color:rgba(46,211,192,.36);background:rgba(255,255,255,.07);box-shadow:inset 3px 0 0 var(--primary)}
.qa-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;font-size:16px;font-weight:600;color:var(--text-1);
  transition:font-weight var(--dur) var(--ease),color var(--dur) var(--ease);
}
.qa-item summary::-webkit-details-marker{display:none}
.qa-item[open] summary{font-weight:700}
.qa-item summary:hover{color:var(--primary)}
.qa-icon{width:22px;height:22px;flex:0 0 22px;color:var(--text-3);transition:transform var(--dur) var(--ease),color var(--dur) var(--ease)}
.qa-item[open] .qa-icon{transform:rotate(180deg);color:var(--primary)}
.qa-body{padding:0 22px 20px;font-size:15px;line-height:1.85;color:var(--text-2)}

/* ---------- 相关内容 ---------- */
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.rel-card{
  display:flex;gap:16px;align-items:center;padding:16px;
  background:var(--bg-1);border:1px solid var(--line);border-radius:18px;
  transition:border-color var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.rel-card:hover{border-color:rgba(255,255,255,.22);transform:translateY(-3px)}
.rel-card:hover .rel-title{color:var(--primary)}
.rel-thumb{width:96px;height:76px;flex:0 0 96px;border-radius:var(--r-sm);overflow:hidden}
.rel-thumb img{width:100%;height:100%;object-fit:cover}
.rel-body{min-width:0}
.rel-meta{font-size:12.5px;color:var(--text-3);display:flex;gap:8px;align-items:center}
.rel-title{margin-top:6px;font-size:15px;font-weight:600;line-height:1.5;color:var(--text-1);transition:color var(--dur) var(--ease);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* ---------- CTA ---------- */
.cta-band{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:22px;
  padding:28px 32px;border-radius:var(--r-lg);
  background:var(--glass-bg);border:1px solid var(--glass-bd);
  backdrop-filter:blur(18px) saturate(140%);
  box-shadow:0 0 0 1px rgba(46,211,192,.12);
}
.cta-band h2{font-size:21px;font-weight:700}
.cta-band p{margin-top:8px;font-size:14.5px;color:var(--text-2);max-width:640px}
.cta-actions{display:flex;flex-wrap:wrap;align-items:center;gap:14px}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:var(--sect);
  padding:64px 0 28px;
  background:var(--bg-1);
  border-top:1px solid rgba(46,211,192,.2);
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:16px;color:var(--text-1)}
.footer-desc{margin-top:14px;font-size:14px;line-height:1.85;color:var(--text-2);max-width:340px}
.site-footer h4{font-size:14px;font-weight:700;color:var(--text-1);margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:var(--text-2)}
.footer-links a:hover{color:var(--primary)}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:var(--text-3);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  :root{--rail-w:84px}
  .side-rail{padding:22px 12px 18px;align-items:center}
  .brand-text,.rail-copy,.side-link span{display:none}
  .brand{justify-content:center}
  .side-nav{width:100%;align-items:center}
  .side-link{justify-content:center;padding:12px 0;width:100%}
  .rail-foot{width:100%;text-align:center}
  .btn-sm{padding:10px 0;font-size:0}
  .btn-sm::after{content:"条目";font-size:12.5px}
  .section{--sect:72px}
  .quote-band{margin:72px 0}
  .notes-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px}
}
@media (max-width:991px){
  .section{--sect:72px}
  .topbar{display:flex}
  .main-area{margin-left:0;padding-top:56px}
  .side-rail{
    width:82%;max-width:320px;transform:translateX(-100%);
    transition:transform 240ms var(--ease);align-items:flex-start;padding:24px 20px;
  }
  body.nav-open .side-rail{transform:translateX(0);box-shadow:var(--sh-2)}
  .brand-text,.side-link span,.rail-copy{display:block}
  .brand{justify-content:flex-start}
  .side-nav{width:100%;align-items:stretch}
  .side-link{justify-content:flex-start;padding:12px 14px;width:100%}
  .btn-sm{width:100%;font-size:13.5px;padding:11px 18px}
  .btn-sm::after{content:""}
  .page-head{padding:36px 0 32px}
  .page-head h1{font-size:28px}
  .page-sub{font-size:15px}
  .section-head h2{font-size:22px}
  .notes-grid{grid-template-columns:1fr;gap:16px}
  .waterfall{column-count:2}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .site-footer{padding:48px 0 24px}
}
@media (max-width:767px){
  :root{--sect:56px}
  .container-inner{padding:0 16px}
  .waterfall{column-count:1}
  .rel-grid{grid-template-columns:1fr}
  .quote-band{padding:22px 20px;margin:56px 0}
  .quote-band p{font-size:15.5px}
  .cta-band{padding:24px 20px;flex-direction:column;align-items:flex-start}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
  .stat-row{gap:10px}
  .stat-chip{padding:10px 16px}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .footer-bottom{flex-direction:column;gap:8px}
  .wf-body h3{font-size:17px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}