/* roulang page: index */
:root{
  --bg-0:#070B18;
  --bg-1:#0B1124;
  --bg-2:#101A33;
  --line:rgba(138,196,255,.16);
  --line-strong:rgba(138,196,255,.34);
  --text-1:#E9F1FB;
  --text-2:#A7B6D1;
  --text-3:#6E7E9C;
  --primary:#2BD9FF;
  --primary-2:#7C6BFF;
  --accent:#FF4D9D;
  --ok:#5BF0C0;
  --glass:rgba(255,255,255,.045);
  --radius-s:10px;
  --radius-m:16px;
  --radius-l:22px;
  --shadow-glow:0 12px 40px -14px rgba(43,217,255,.55);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"HarmonyOS Sans","PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text-1);
  background-color:var(--bg-0);
  background-image:
    radial-gradient(circle at 12% 6%,rgba(43,217,255,.11),transparent 46%),
    radial-gradient(circle at 88% 76%,rgba(124,107,255,.13),transparent 52%),
    radial-gradient(rgba(138,196,255,.055) 1px,transparent 1px);
  background-size:auto,auto,24px 24px;
  background-attachment:fixed;
  overflow-x:hidden;
}
h1,h2,h3,h4{margin:0;line-height:1.3;letter-spacing:-.01em;font-weight:700}
p{margin:0}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
img{max-width:100%;display:block}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,select{font:inherit;color:inherit}
::selection{background:rgba(43,217,255,.28);color:#fff}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:#080D1C}
::-webkit-scrollbar-thumb{background:#1B2A4A;border-radius:8px}
::-webkit-scrollbar-thumb:hover{background:#264169}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
.skip{position:absolute;left:-9999px;top:0;background:var(--bg-2);padding:10px 16px;z-index:999}
.skip:focus{left:12px;top:12px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.num{font-variant-numeric:tabular-nums;font-weight:700}
.mono{font-variant-numeric:tabular-nums}

/* ============ header ============ */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(7,11,24,.72);
  border-bottom:1px solid transparent;
  transition:background .22s ease,border-color .22s ease,box-shadow .22s ease;
  backdrop-filter:blur(12px) saturate(130%);
}
.site-header.is-stuck{
  background:rgba(7,11,24,.9);
  border-bottom:1px solid rgba(43,217,255,.28);
  box-shadow:0 10px 34px -22px rgba(43,217,255,.8);
  backdrop-filter:blur(18px) saturate(150%);
}
.brand-row{display:flex;align-items:center;gap:18px;padding:12px 24px;min-height:62px;transition:min-height .22s ease}
.is-stuck .brand-row{min-height:54px}
.logo{display:flex;align-items:center;gap:11px;flex-shrink:0}
.logo-mark{
  width:38px;height:38px;flex-shrink:0;border-radius:11px;
  background:linear-gradient(140deg,var(--primary),var(--primary-2));
  display:grid;place-items:center;color:#04101d;font-weight:800;font-size:15px;
  clip-path:polygon(0 0,100% 0,100% 72%,72% 100%,0 100%);
  box-shadow:0 8px 22px -12px rgba(43,217,255,.9);
}
.logo-text{display:flex;flex-direction:column;line-height:1.2}
.logo-name{font-size:15.5px;font-weight:800;letter-spacing:-.01em}
.logo-sub{font-size:11px;color:var(--text-3);letter-spacing:.08em}
.search-pill{
  display:flex;align-items:center;gap:8px;flex:1;max-width:400px;
  background:var(--bg-2);border:1px solid var(--line);border-radius:999px;
  padding:0 14px;height:40px;transition:border-color .22s ease,box-shadow .22s ease;
}
.search-pill:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(43,217,255,.14)}
.search-pill svg{flex-shrink:0;color:var(--text-3)}
.search-pill input{flex:1;border:0;background:transparent;outline:none;font-size:13.5px;color:var(--text-1)}
.search-pill input::placeholder{color:var(--text-3)}
.header-tools{display:flex;align-items:center;gap:12px;margin-left:auto}
.hotword{
  font-size:12.5px;color:var(--text-2);border:1px solid var(--line);
  padding:6px 12px;border-radius:999px;transition:.22s ease;white-space:nowrap;
}
.hotword:hover{color:var(--primary);border-color:var(--line-strong);background:rgba(43,217,255,.06)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:12px;font-weight:700;letter-spacing:.01em;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease,color .22s ease;
  cursor:pointer;text-align:center;
}
.btn-primary{
  background:linear-gradient(100deg,var(--primary),var(--primary-2));
  color:#061021;padding:12px 22px;font-size:14.5px;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.4),0 10px 30px -14px rgba(43,217,255,.85);
}
.btn-primary:hover{filter:brightness(1.08);box-shadow:inset 0 1px 0 rgba(255,255,255,.5),0 16px 42px -14px rgba(43,217,255,.95);transform:translateY(-2px)}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 1px 0 rgba(255,255,255,.3),0 6px 18px -12px rgba(43,217,255,.8)}
.btn-ghost{
  background:transparent;border:1px solid var(--line-strong);color:var(--text-1);
  padding:11px 20px;font-size:14.5px;
}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);box-shadow:0 0 0 4px rgba(43,217,255,.09);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{padding:8px 16px;font-size:13px;border-radius:10px}
.burger{display:none;width:40px;height:40px;border:1px solid var(--line);border-radius:11px;place-items:center;color:var(--text-2)}
.burger:hover{border-color:var(--line-strong);color:var(--primary)}
.channel-row{display:flex;align-items:center;gap:20px;padding:0 24px 10px}
.channel-nav{display:flex;align-items:center;gap:4px;flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none}
.channel-nav::-webkit-scrollbar{display:none}
.channel-nav a{
  position:relative;font-size:13.5px;color:var(--text-2);padding:7px 12px;border-radius:9px;
  white-space:nowrap;transition:color .22s ease,background .22s ease;
}
.channel-nav a:hover{color:var(--text-1);background:rgba(255,255,255,.05)}
.channel-nav a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:0;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--primary),var(--primary-2));opacity:0;transition:opacity .22s ease;
}
.channel-nav a.is-active{color:var(--primary)}
.channel-nav a.is-active::after{opacity:1;box-shadow:0 0 12px rgba(43,217,255,.9)}
.trend-strip{display:flex;align-items:center;gap:8px;margin-left:auto;overflow-x:auto;scrollbar-width:none;padding-bottom:2px}
.trend-strip::-webkit-scrollbar{display:none}
.trend-label{font-size:11px;color:var(--text-3);letter-spacing:.1em;white-space:nowrap}
.trend-chip{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;color:var(--text-2);
  border:1px solid var(--line);border-radius:999px;padding:4px 10px;white-space:nowrap;transition:.22s ease;
}
.trend-chip:hover{color:var(--primary);border-color:var(--line-strong);background:rgba(43,217,255,.06)}
.trend-chip b{color:var(--accent);font-size:11px;font-weight:700}

/* drawer */
.drawer-mask{
  position:fixed;inset:0;background:rgba(4,7,16,.7);backdrop-filter:blur(4px);
  opacity:0;pointer-events:none;transition:opacity .26s ease;z-index:200;
}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:84%;max-width:340px;z-index:210;
  background:linear-gradient(180deg,#0A1226,#070B18);
  border-left:1px solid var(--line);
  transform:translateX(102%);transition:transform .3s cubic-bezier(.4,0,.2,1);
  padding:20px;overflow-y:auto;
}
.drawer-open .drawer{transform:translateX(0)}
.drawer-open .drawer-mask{opacity:1;pointer-events:auto}
body.drawer-open{overflow:hidden}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-close{width:36px;height:36px;border:1px solid var(--line);border-radius:10px;display:grid;place-items:center;color:var(--text-2)}
.drawer-close:hover{color:var(--primary);border-color:var(--line-strong)}
.drawer-group-title{font-size:11px;letter-spacing:.14em;color:var(--text-3);margin:18px 0 8px}
.drawer-link{display:block;padding:11px 12px;border-radius:10px;font-size:14px;color:var(--text-2);border:1px solid transparent}
.drawer-link:hover,.drawer-link.is-active{color:var(--primary);background:rgba(43,217,255,.07);border-color:var(--line)}
.drawer-cta{margin-top:18px;display:grid;gap:10px}
.drawer-cta .btn{width:100%}

/* ============ sections ============ */
.section{padding:72px 0;position:relative}
.section.alt{background:linear-gradient(180deg,rgba(11,17,36,.72),rgba(11,17,36,.42));border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:760px;margin-bottom:34px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:11.5px;letter-spacing:.16em;
  color:var(--primary);border:1px solid rgba(43,217,255,.3);border-radius:999px;
  padding:5px 12px;background:rgba(43,217,255,.06);margin-bottom:14px;
}
.section-head h2{font-size:clamp(22px,2.3vw,29px);margin-bottom:12px}
.section-head p{color:var(--text-2);font-size:15px;line-height:1.9}
.glass-card{
  background:linear-gradient(160deg,rgba(43,217,255,.10),rgba(255,255,255,.03) 46%,rgba(255,77,157,.06));
  backdrop-filter:blur(14px) saturate(140%);
  border:1px solid var(--line);border-radius:var(--radius-m);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.glass-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-glow)}
.badge-rarity{
  display:inline-flex;align-items:center;gap:6px;font-size:11.5px;letter-spacing:.06em;
  color:var(--primary);border:1px solid rgba(43,217,255,.35);background:rgba(43,217,255,.08);
  border-radius:999px;padding:3px 10px;white-space:nowrap;
}
.badge-hot{color:var(--accent);border-color:rgba(255,77,157,.42);background:rgba(255,77,157,.09)}
.badge-ok{color:var(--ok);border-color:rgba(91,240,192,.4);background:rgba(91,240,192,.08)}
.tag{font-size:12px;color:var(--text-2);border:1px solid var(--line);border-radius:999px;padding:3px 10px;white-space:nowrap}
.stat-bar{height:7px;border-radius:999px;background:var(--bg-2);overflow:hidden;border:1px solid rgba(138,196,255,.14)}
.stat-bar span{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--primary),var(--primary-2));box-shadow:inset 0 1px 0 rgba(255,255,255,.35)}

/* ============ hero ============ */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.hero-bg{position:absolute;inset:0;z-index:0}
.hero-bg img{width:100%;height:100%;object-fit:cover;opacity:.42;filter:saturate(120%)}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(7,11,24,.55) 0%,rgba(7,11,24,.82) 58%,var(--bg-0) 100%),
    radial-gradient(circle at 22% 26%,rgba(43,217,255,.22),transparent 52%),
    radial-gradient(circle at 82% 12%,rgba(255,77,157,.14),transparent 46%);
}
.hero-inner{position:relative;z-index:1;padding:82px 0 40px;max-width:790px}
.hero h1{font-size:clamp(28px,3.6vw,43px);line-height:1.24;margin:16px 0 18px}
.hero h1 em{
  font-style:normal;
  background:linear-gradient(100deg,var(--primary),var(--primary-2) 62%,var(--accent));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{color:var(--text-2);font-size:16px;line-height:1.95;max-width:700px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.hero-facts{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-fact{
  border:1px solid var(--line);border-radius:12px;padding:11px 16px;background:rgba(255,255,255,.035);
  display:flex;align-items:baseline;gap:9px;
}
.hero-fact strong{font-size:19px;color:var(--primary)}
.hero-fact span{font-size:12.5px;color:var(--text-3)}
.countdown-bar{
  position:relative;z-index:1;margin:0 0 44px;display:flex;flex-wrap:wrap;align-items:center;gap:18px;
  padding:16px 20px;border-radius:var(--radius-m);border:1px solid rgba(43,217,255,.32);
  background:linear-gradient(120deg,rgba(43,217,255,.14),rgba(124,107,255,.10) 60%,rgba(255,77,157,.08));
  backdrop-filter:blur(14px) saturate(140%);
  box-shadow:0 18px 50px -30px rgba(43,217,255,.9);
}
.countdown-copy{display:flex;flex-direction:column;gap:2px}
.countdown-copy b{font-size:14.5px}
.countdown-copy small{font-size:12px;color:var(--text-3)}
.countdown{display:flex;align-items:center;gap:8px;margin-left:auto}
.cd-unit{
  min-width:58px;text-align:center;border-radius:10px;border:1px solid var(--line);
  background:rgba(7,11,24,.6);padding:6px 8px;
}
.cd-unit strong{display:block;font-size:20px;line-height:1.2;color:var(--primary);font-variant-numeric:tabular-nums}
.cd-unit small{font-size:10.5px;color:var(--text-3);letter-spacing:.08em}
.cd-sep{color:var(--text-3);font-weight:700}

/* ============ pain ============ */
.pain-grid{display:grid;grid-template-columns:1fr 1.35fr;gap:44px;align-items:start}
.pain-list{border-top:1px solid var(--line)}
.pain-item{display:grid;grid-template-columns:58px 1fr auto;gap:16px;align-items:center;padding:20px 4px;border-bottom:1px solid var(--line)}
.pain-item .idx{font-size:22px;font-weight:800;color:transparent;-webkit-text-stroke:1px rgba(43,217,255,.55);font-variant-numeric:tabular-nums}
.pain-item h3{font-size:16px;margin-bottom:4px}
.pain-item p{font-size:13.5px;color:var(--text-2)}

/* ============ solution ============ */
.solution-row{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.solution-row+.solution-row{margin-top:56px}
.solution-media{position:relative;border-radius:var(--radius-l);overflow:hidden;border:1px solid var(--line);box-shadow:0 26px 70px -40px rgba(43,217,255,.7)}
.solution-media img{width:100%;aspect-ratio:16/10;object-fit:cover}
.solution-media .corner{
  position:absolute;left:14px;top:14px;font-size:11.5px;letter-spacing:.12em;color:#04101d;
  background:linear-gradient(100deg,var(--primary),var(--primary-2));border-radius:8px;padding:4px 10px;font-weight:800;
}
.solution-row.reverse .solution-media{order:2}
.solution-body h3{font-size:22px;margin-bottom:12px}
.solution-body p{color:var(--text-2);font-size:14.8px}
.point-list{margin-top:16px;display:grid;gap:10px}
.point-list li{display:flex;gap:10px;font-size:14px;color:var(--text-2)}
.point-list li::before{content:"";width:7px;height:7px;border-radius:2px;background:var(--primary);margin-top:9px;flex-shrink:0;box-shadow:0 0 10px rgba(43,217,255,.8)}

/* ============ steps ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative;margin-top:12px}
.steps::before{
  content:"";position:absolute;top:22px;left:6%;right:6%;height:1px;
  background:repeating-linear-gradient(90deg,rgba(43,217,255,.55) 0 8px,transparent 8px 16px);
}
.step{position:relative;padding:0 18px}
.step-dot{
  width:44px;height:44px;border-radius:50%;display:grid;place-items:center;font-weight:800;font-size:14px;
  background:linear-gradient(150deg,#0C1730,#101E3C);border:1px solid rgba(43,217,255,.55);
  color:var(--primary);box-shadow:0 0 0 6px rgba(7,11,24,.9),0 0 22px rgba(43,217,255,.45);position:relative;z-index:1;
}
.step h3{font-size:16px;margin:16px 0 8px}
.step p{font-size:13.5px;color:var(--text-2)}

/* ============ stats strip ============ */
.stats-strip{
  display:grid;grid-template-columns:repeat(4,1fr);align-items:center;
  border-radius:var(--radius-l);border:1px solid var(--line);
  background:linear-gradient(120deg,rgba(43,217,255,.12),rgba(255,255,255,.03) 48%,rgba(124,107,255,.12));
  backdrop-filter:blur(14px) saturate(140%);
  padding:26px 10px;
}
.stats-strip .cell{padding:0 22px;border-left:1px solid var(--line)}
.stats-strip .cell:first-child{border-left:0}
.stats-strip strong{display:block;font-size:clamp(24px,2.6vw,32px);color:var(--primary);font-variant-numeric:tabular-nums;line-height:1.2}
.stats-strip strong span{font-size:14px;color:var(--text-2);margin-left:4px;font-weight:600}
.stats-strip small{display:block;font-size:12.5px;color:var(--text-3);margin-top:6px}

/* ============ scene cards ============ */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.scene-card{overflow:hidden;display:flex;flex-direction:column}
.scene-card .thumb{position:relative;aspect-ratio:16/10;overflow:hidden}
.scene-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.scene-card:hover .thumb img{transform:scale(1.04)}
.scene-card .thumb .num-badge{
  position:absolute;left:12px;top:12px;font-size:11px;font-weight:800;letter-spacing:.08em;
  background:rgba(7,11,24,.72);border:1px solid var(--line-strong);border-radius:8px;padding:3px 8px;color:var(--primary);
}
.scene-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.scene-body h3{font-size:16.5px}
.scene-body p{font-size:13.5px;color:var(--text-2)}
.progress-line{display:grid;gap:6px;margin-top:auto}
.progress-line .pl-top{display:flex;justify-content:space-between;font-size:11.5px;color:var(--text-3)}

/* ============ local ability ============ */
.local-wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:start}
.local-item{display:flex;gap:16px;padding:18px 0;border-bottom:1px dashed var(--line)}
.local-item .k{
  width:40px;height:40px;flex-shrink:0;border-radius:11px;display:grid;place-items:center;
  border:1px solid rgba(43,217,255,.35);background:rgba(43,217,255,.08);color:var(--primary);font-weight:800;font-size:13px;
  clip-path:polygon(0 0,100% 0,100% 72%,72% 100%,0 100%);
}
.local-item h3{font-size:15.5px;margin-bottom:5px}
.local-item p{font-size:13.5px;color:var(--text-2)}
.city-panel{padding:24px}
.city-panel h3{font-size:16px;margin-bottom:6px}
.city-panel>p{font-size:13px;color:var(--text-3);margin-bottom:16px}
.city-tags{display:flex;flex-wrap:wrap;gap:8px}
.city-tags span{font-size:12.5px;color:var(--text-2);border:1px solid var(--line);border-radius:999px;padding:5px 12px;transition:.22s ease}
.city-tags span:hover{color:var(--primary);border-color:var(--line-strong)}
.city-note{margin-top:18px;padding:12px 14px;border-radius:12px;border:1px dashed var(--line);font-size:12.5px;color:var(--text-3)}

/* ============ testimonials ============ */
.voice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:start}
.voice-card{
  padding:22px;
  clip-path:polygon(0 0,100% 0,100% calc(100% - 20px),calc(100% - 20px) 100%,0 100%);
}
.voice-card:nth-child(2){margin-top:26px}
.voice-card:nth-child(3){margin-top:12px}
.voice-head{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.avatar{
  width:42px;height:42px;border-radius:12px;flex-shrink:0;
  background:linear-gradient(140deg,rgba(43,217,255,.4),rgba(124,107,255,.4));
  border:1px solid var(--line-strong);display:grid;place-items:center;font-weight:800;color:#04101d;font-size:14px;
}
.voice-head b{display:block;font-size:14px}
.voice-head small{font-size:11.5px;color:var(--text-3)}
.stars{color:var(--accent);font-size:12px;letter-spacing:2px;margin-bottom:10px}
.voice-card p{font-size:13.8px;color:var(--text-2)}

/* ============ crowd grid ============ */
.crowd-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.crowd-card{
  padding:20px;position:relative;
  clip-path:polygon(0 0,100% 0,100% calc(100% - 14px),calc(100% - 14px) 100%,0 100%);
}
.crowd-card .badge-rarity{margin-bottom:12px}
.crowd-card h3{font-size:16px;margin-bottom:8px}
.crowd-card p{font-size:13.2px;color:var(--text-2);min-height:56px}
.crowd-card .stat-bar{margin-top:12px}
.crowd-card .crowd-foot{display:flex;justify-content:space-between;font-size:11.5px;color:var(--text-3);margin-top:7px}

/* ============ CMS news ============ */
.news-layout{display:grid;grid-template-columns:1.35fr 1fr;gap:24px;align-items:start}
.news-main{display:flex;flex-direction:column;overflow:hidden}
.news-main .thumb{aspect-ratio:16/9;overflow:hidden}
.news-main .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.news-main:hover .thumb img{transform:scale(1.03)}
.news-main .body{padding:20px 22px 24px}
.news-main h3{font-size:20px;margin:10px 0 10px}
.news-main p{font-size:14px;color:var(--text-2)}
.news-meta{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--text-3);margin-top:14px;flex-wrap:wrap}
.news-side{display:flex;flex-direction:column}
.news-item{display:flex;flex-direction:column;gap:6px;padding:15px 18px;border-bottom:1px solid var(--line);transition:background .22s ease}
.news-item:first-child{padding-top:6px}
.news-item:hover{background:rgba(43,217,255,.06)}
.news-item h4{font-size:14.5px;font-weight:600;line-height:1.55;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.news-item .meta{display:flex;align-items:center;gap:8px;font-size:11.5px;color:var(--text-3)}
.more-link{display:inline-flex;align-items:center;gap:6px;font-size:13.5px;color:var(--primary);margin-top:18px;transition:.22s ease}
.more-link:hover{text-decoration:underline;text-underline-offset:4px;gap:10px}
.empty-state{
  border:1px dashed var(--line);border-radius:var(--radius-m);padding:34px 24px;text-align:center;
  background:rgba(255,255,255,.02);color:var(--text-2);
}
.empty-state .ico{
  width:40px;height:40px;margin:0 auto 12px;border-radius:12px;display:grid;place-items:center;
  border:1px solid var(--line);color:var(--primary);background:rgba(43,217,255,.08);font-size:18px;
}
.empty-state p{font-size:13.5px}
.empty-state small{display:block;font-size:12px;color:var(--text-3);margin-top:6px}

/* ============ metrics ============ */
.metrics-wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:34px;align-items:start}
.metric-bars{display:grid;gap:20px}
.metric-bar-top{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:8px;font-size:13.5px}
.metric-bar-top b{color:var(--primary);font-variant-numeric:tabular-nums}
.metric-bar-top small{color:var(--text-3);font-size:12px}
.metric-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.metric-cell{padding:18px;text-align:left}
.metric-cell strong{display:block;font-size:24px;color:var(--text-1);font-variant-numeric:tabular-nums;line-height:1.2}
.metric-cell small{display:block;font-size:12.5px;color:var(--text-3);margin-top:6px}

/* ============ topics ============ */
.topic-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:22px}
.topic-card{overflow:hidden;display:flex;flex-direction:column}
.topic-card.big{grid-row:span 2}
.topic-card .thumb{aspect-ratio:16/9;overflow:hidden}
.topic-card.big .thumb{aspect-ratio:16/10}
.topic-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.topic-card:hover .thumb img{transform:scale(1.04)}
.topic-card .body{padding:16px 18px 20px;display:flex;flex-direction:column;gap:8px;flex:1}
.topic-card h3{font-size:16px}
.topic-card.big h3{font-size:19px}
.topic-card p{font-size:13px;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.topic-card .more{margin-top:auto;font-size:12.5px;color:var(--primary)}

/* ============ channel entries ============ */
.entry-list{display:grid;gap:14px}
.entry-row{
  display:flex;align-items:center;gap:18px;padding:20px 24px;border-radius:var(--radius-m);
  border:1px solid var(--line);background:linear-gradient(100deg,rgba(43,217,255,.09),rgba(255,255,255,.02) 60%,rgba(124,107,255,.09));
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease,background .22s ease;
}
.entry-row:hover{transform:translateX(6px);border-color:var(--line-strong);box-shadow:var(--shadow-glow)}
.entry-row .e-idx{font-size:12px;color:var(--primary);border:1px solid rgba(43,217,255,.4);border-radius:8px;padding:3px 9px;font-weight:800;letter-spacing:.08em}
.entry-row .e-body{flex:1;min-width:0}
.entry-row h3{font-size:16px;margin-bottom:3px}
.entry-row p{font-size:13px;color:var(--text-2)}
.entry-row .arrow{color:var(--primary);font-size:18px;flex-shrink:0}

/* ============ features ============ */
.feature-wrap{display:grid;grid-template-columns:210px 1fr;gap:28px;align-items:start}
.feature-tabs{display:grid;gap:8px;position:sticky;top:120px}
.feature-tab{
  text-align:left;padding:11px 14px;border-radius:11px;font-size:13.5px;color:var(--text-2);
  border:1px solid var(--line);background:rgba(255,255,255,.02);transition:.22s ease;
}
.feature-tab.is-on{color:var(--primary);border-color:rgba(43,217,255,.45);background:rgba(43,217,255,.09);box-shadow:0 0 0 3px rgba(43,217,255,.07)}
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.feature-cell{padding:18px}
.feature-cell .ico{
  width:36px;height:36px;border-radius:10px;display:grid;place-items:center;margin-bottom:12px;
  background:rgba(43,217,255,.1);border:1px solid rgba(43,217,255,.32);color:var(--primary);font-size:15px;font-weight:800;
}
.feature-cell h3{font-size:14.8px;margin-bottom:7px}
.feature-cell p{font-size:12.8px;color:var(--text-2)}

/* ============ safety ============ */
.safety-wrap{max-width:880px;margin:0 auto;display:grid;grid-template-columns:1fr 1.4fr;gap:36px;align-items:start}
.safety-list{display:grid;gap:2px}
.safety-item{display:grid;grid-template-columns:34px 1fr;gap:14px;padding:16px 0;border-bottom:1px solid var(--line)}
.safety-item .n{font-size:12px;color:var(--primary);border:1px solid rgba(43,217,255,.34);border-radius:8px;height:26px;display:grid;place-items:center;font-weight:800;margin-top:2px}
.safety-item h3{font-size:15px;margin-bottom:4px}
.safety-item p{font-size:13px;color:var(--text-2)}
.safety-note{grid-column:1/-1;font-size:12px;color:var(--text-3);border-top:1px solid var(--line);padding-top:16px;margin-top:8px}

/* ============ faq ============ */
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.faq-item{
  border:1px solid var(--line);border-radius:14px;background:rgba(255,255,255,.035);
  overflow:hidden;transition:border-color .22s ease,box-shadow .22s ease;position:relative;
}
.faq-item::before{content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;border-radius:3px;background:linear-gradient(180deg,var(--primary),var(--primary-2));opacity:0;transition:opacity .22s ease;box-shadow:0 0 14px rgba(43,217,255,.9)}
.faq-item.is-open{border-color:rgba(43,217,255,.42);box-shadow:0 14px 40px -28px rgba(43,217,255,.9)}
.faq-item.is-open::before{opacity:1}
.faq-q{display:flex;align-items:center;justify-content:space-between;gap:14px;width:100%;padding:16px 18px;text-align:left;font-size:14.5px;font-weight:600;color:var(--text-1)}
.faq-q:hover{color:var(--primary)}
.faq-ico{
  width:22px;height:22px;flex-shrink:0;border-radius:7px;border:1px solid var(--line-strong);
  display:grid;place-items:center;font-size:13px;color:var(--primary);transition:transform .24s ease,background .22s ease;
}
.faq-item.is-open .faq-ico{transform:rotate(45deg);background:rgba(43,217,255,.14)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease}
.faq-a p{padding:0 18px 16px;font-size:13.4px;color:var(--text-2)}

/* ============ final cta ============ */
.cta-zone{
  position:relative;overflow:hidden;border-radius:var(--radius-l);
  border:1px solid rgba(43,217,255,.3);
  background:linear-gradient(120deg,rgba(43,217,255,.14),rgba(124,107,255,.12) 52%,rgba(255,77,157,.1));
  backdrop-filter:blur(16px) saturate(140%);
  padding:42px;
  display:grid;grid-template-columns:1.15fr .85fr;gap:34px;align-items:center;
  box-shadow:0 30px 80px -50px rgba(43,217,255,.95);
}
.cta-zone::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.09) 1px,transparent 1px);
  background-size:22px 22px;opacity:.5;
}
.cta-zone h2{font-size:clamp(22px,2.4vw,29px);margin-bottom:12px}
.cta-zone p{color:var(--text-2);font-size:14.5px}
.cta-form{position:relative;z-index:1;display:grid;gap:12px}
.field{display:grid;gap:6px}
.field label{font-size:12px;color:var(--text-3)}
.field select,.field input{
  height:44px;border-radius:11px;border:1px solid var(--line);background:var(--bg-2);
  padding:0 14px;font-size:14px;color:var(--text-1);transition:border-color .22s ease,box-shadow .22s ease;
}
.field select:focus,.field input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px rgba(43,217,255,.14)}
.cta-buttons{display:flex;gap:10px;flex-wrap:wrap;margin-top:4px}
.cta-buttons .btn{flex:1;min-width:130px}

/* ============ footer ============ */
.site-footer{border-top:1px solid var(--line);background:linear-gradient(180deg,rgba(11,17,36,.7),rgba(7,11,24,.95));margin-top:72px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr 1.1fr;gap:32px;padding:56px 0 40px}
.footer-brand .logo{margin-bottom:14px}
.footer-brand p{font-size:13px;color:var(--text-2);line-height:1.85}
.footer-col h4{font-size:13px;letter-spacing:.1em;color:var(--text-1);margin-bottom:14px}
.footer-col a,.footer-col span{display:block;font-size:13px;color:var(--text-2);padding:5px 0;transition:color .22s ease,transform .22s ease}
.footer-col a:hover{color:var(--primary);transform:translateX(3px)}
.footer-bottom{border-top:1px solid var(--line);padding:18px 0 26px;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:12px;color:var(--text-3)}
.footer-bottom .links{display:flex;gap:16px;flex-wrap:wrap}
.footer-bottom a:hover{color:var(--primary)}

/* ============ responsive ============ */
@media (max-width:1279px){
  .container{padding:0 22px}
  .brand-row,.channel-row{padding-left:22px;padding-right:22px}
  .topic-grid{grid-template-columns:1fr 1fr}
  .topic-card.big{grid-row:auto;grid-column:span 2}
  .feature-wrap{grid-template-columns:1fr}
  .feature-tabs{position:static;display:flex;flex-wrap:wrap;gap:8px}
}
@media (max-width:1023px){
  .section{padding:56px 0}
  .pain-grid,.solution-row,.local-wrap,.metrics-wrap,.news-layout,.cta-zone,.safety-wrap{grid-template-columns:1fr;gap:28px}
  .solution-row.reverse .solution-media{order:0}
  .scene-grid,.crowd-grid,.voice-grid,.feature-grid{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr 1fr;gap:26px 0}
  .steps::before{display:none}
  .stats-strip{grid-template-columns:1fr 1fr;gap:18px 0;padding:22px 6px}
  .stats-strip .cell:nth-child(3){border-left:0}
  .footer-grid{grid-template-columns:1fr 1fr 1fr;gap:26px}
  .voice-card:nth-child(2),.voice-card:nth-child(3){margin-top:0}
  .hero-inner{padding:60px 0 30px}
}
@media (max-width:767px){
  body{font-size:15.5px}
  .search-pill{display:none}
  .hotword{display:none}
  .header-tools .btn{display:none}
  .burger{display:grid}
  .channel-row{display:none}
  .hero-inner{padding:48px 0 24px}
  .hero-lead{font-size:14.8px}
  .hero-actions .btn{flex:1;min-width:140px}
  .countdown{margin-left:0;width:100%;justify-content:space-between}
  .cd-unit{flex:1;min-width:0}
  .countdown-bar{padding:14px 16px;gap:12px;margin-bottom:34px}
  .scene-grid,.crowd-grid,.voice-grid,.feature-grid,.metric-grid,.faq-grid,.topic-grid{grid-template-columns:1fr}
  .topic-card.big{grid-column:auto}
  .section{padding:44px 0}
  .footer-grid{grid-template-columns:1fr 1fr;padding:40px 0 30px}
  .pain-item{grid-template-columns:44px 1fr;gap:12px}
  .pain-item .tag{grid-column:2}
  .stats-strip{grid-template-columns:1fr 1fr;padding:18px 4px}
  .stats-strip .cell{padding:0 14px}
  .stats-strip strong{font-size:24px}
  .cta-zone{padding:26px 20px}
  .safety-wrap{gap:20px}
  .drawer{width:88%}
  .crowd-card p{min-height:auto}
}
@media (max-width:519px){
  .container{padding:0 16px}
  .brand-row{padding-left:16px;padding-right:16px}
  .logo-name{font-size:14px}
  .logo-sub{font-size:10px}
  .hero h1{font-size:26px}
  .hero-facts{gap:10px}
  .hero-fact{padding:9px 12px}
  .feature-grid{gap:12px}
  .footer-grid{grid-template-columns:1fr}
  .cta-buttons .btn{flex:1 1 100%}
  .steps{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
}

/* roulang page: article */
:root{
  --bg-0:#070B18;
  --bg-1:#0B1124;
  --bg-2:#101A33;
  --line:rgba(138,196,255,.16);
  --line-strong:rgba(138,196,255,.34);
  --text-1:#E9F1FB;
  --text-2:#A7B6D1;
  --text-3:#6E7E9C;
  --primary:#2BD9FF;
  --primary-2:#7C6BFF;
  --accent:#FF4D9D;
  --ok:#5BF0C0;
  --glass:rgba(255,255,255,.045);
  --radius-s:10px;
  --radius-m:16px;
  --radius-l:22px;
  --shadow-glow:0 12px 40px -14px rgba(43,217,255,.55);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"HarmonyOS Sans","PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text-1);
  background-color:var(--bg-0);
  background-image:
    radial-gradient(circle at 12% 6%,rgba(43,217,255,.11),transparent 46%),
    radial-gradient(circle at 88% 76%,rgba(124,107,255,.13),transparent 52%),
    radial-gradient(rgba(138,196,255,.055) 1px,transparent 1px);
  background-size:auto,auto,24px 24px;
  background-attachment:fixed;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block;height:auto}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,select{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;letter-spacing:-.01em;line-height:1.32}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
::selection{background:rgba(43,217,255,.32);color:#fff}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:#070B18}
::-webkit-scrollbar-thumb{background:rgba(138,196,255,.28);border-radius:8px}
::-webkit-scrollbar-thumb:hover{background:rgba(43,217,255,.5)}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ============ header ============ */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(7,11,24,.72);
  border-bottom:1px solid transparent;
  transition:background .22s ease,border-color .22s ease,box-shadow .22s ease;
  backdrop-filter:blur(12px) saturate(130%);
}
.site-header.is-stuck{
  background:rgba(7,11,24,.9);
  border-bottom:1px solid rgba(43,217,255,.28);
  box-shadow:0 10px 34px -22px rgba(43,217,255,.8);
  backdrop-filter:blur(18px) saturate(150%);
}
.brand-row{display:flex;align-items:center;gap:18px;padding:12px 24px;min-height:62px;transition:min-height .22s ease;max-width:var(--container);margin:0 auto}
.is-stuck .brand-row{min-height:54px}
.logo{display:flex;align-items:center;gap:11px;flex-shrink:0}
.logo-mark{
  width:38px;height:38px;flex-shrink:0;border-radius:11px;
  background:linear-gradient(140deg,var(--primary),var(--primary-2));
  display:grid;place-items:center;color:#04101d;font-weight:800;font-size:15px;
  clip-path:polygon(0 0,100% 0,100% 72%,72% 100%,0 100%);
  box-shadow:0 8px 22px -12px rgba(43,217,255,.9);
}
.logo-text{display:flex;flex-direction:column;line-height:1.2}
.logo-name{font-size:15.5px;font-weight:800;letter-spacing:-.01em}
.logo-sub{font-size:11px;color:var(--text-3);letter-spacing:.08em}
.search-pill{
  display:flex;align-items:center;gap:8px;flex:1;max-width:400px;
  background:var(--bg-2);border:1px solid var(--line);border-radius:999px;
  padding:0 14px;height:40px;transition:border-color .22s ease,box-shadow .22s ease;
}
.search-pill:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(43,217,255,.14)}
.search-pill svg{flex-shrink:0;color:var(--text-3)}
.search-pill input{flex:1;border:0;background:transparent;outline:none;font-size:13.5px;color:var(--text-1);min-width:0}
.search-pill input::placeholder{color:var(--text-3)}
.header-tools{display:flex;align-items:center;gap:12px;margin-left:auto}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:12px;font-weight:700;letter-spacing:.01em;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease,color .22s ease;
  cursor:pointer;text-align:center;
}
.btn-primary{
  background:linear-gradient(100deg,var(--primary),var(--primary-2));
  color:#061021;padding:12px 22px;font-size:14.5px;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.4),0 10px 30px -14px rgba(43,217,255,.85);
}
.btn-primary:hover{filter:brightness(1.08);box-shadow:inset 0 1px 0 rgba(255,255,255,.5),0 16px 42px -14px rgba(43,217,255,.95);transform:translateY(-2px)}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 1px 0 rgba(255,255,255,.3),0 6px 18px -12px rgba(43,217,255,.8)}
.btn-ghost{
  background:transparent;border:1px solid var(--line-strong);color:var(--text-1);
  padding:11px 20px;font-size:14.5px;
}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);box-shadow:0 0 0 4px rgba(43,217,255,.09);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{padding:8px 16px;font-size:13px;border-radius:10px}
.channel-row{display:flex;align-items:center;gap:20px;padding:0 24px 10px;max-width:var(--container);margin:0 auto}
.channel-nav{display:flex;align-items:center;gap:4px;flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none}
.channel-nav::-webkit-scrollbar{display:none}
.channel-nav a{
  position:relative;font-size:13.5px;color:var(--text-2);padding:7px 12px;border-radius:9px;
  white-space:nowrap;transition:color .22s ease,background .22s ease;
}
.channel-nav a:hover{color:var(--text-1);background:rgba(255,255,255,.05)}
.channel-nav a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:0;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--primary),var(--primary-2));opacity:0;transition:opacity .22s ease;
}
.channel-nav a.is-active{color:var(--primary)}
.channel-nav a.is-active::after{opacity:1;box-shadow:0 0 12px rgba(43,217,255,.9)}
.trend-strip{display:flex;align-items:center;gap:8px;margin-left:auto;overflow-x:auto;scrollbar-width:none;padding-bottom:2px}
.trend-strip::-webkit-scrollbar{display:none}
.trend-chip{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;color:var(--text-2);
  border:1px solid var(--line);border-radius:999px;padding:4px 10px;white-space:nowrap;transition:.22s ease;
}
.trend-chip:hover{color:var(--primary);border-color:var(--line-strong);background:rgba(43,217,255,.06)}
.trend-chip b{color:var(--accent);font-size:11px;font-weight:700}
.menu-toggle{display:none;width:40px;height:40px;border:1px solid var(--line);border-radius:11px;place-items:center;color:var(--text-2)}
.menu-toggle:hover{color:var(--primary);border-color:var(--line-strong)}
/* drawer */
.drawer-mask{
  position:fixed;inset:0;background:rgba(4,7,16,.7);backdrop-filter:blur(4px);
  opacity:0;pointer-events:none;transition:opacity .26s ease;z-index:200;
}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:84%;max-width:340px;z-index:210;
  background:linear-gradient(180deg,#0A1226,#070B18);
  border-left:1px solid var(--line);
  transform:translateX(102%);transition:transform .3s cubic-bezier(.4,0,.2,1);
  padding:20px;overflow-y:auto;
}
.drawer-open .drawer{transform:translateX(0)}
.drawer-open .drawer-mask{opacity:1;pointer-events:auto}
body.drawer-open{overflow:hidden}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-close{width:36px;height:36px;border:1px solid var(--line);border-radius:10px;display:grid;place-items:center;color:var(--text-2)}
.drawer-close:hover{color:var(--primary);border-color:var(--line-strong)}
.drawer-group-title{font-size:11px;letter-spacing:.14em;color:var(--text-3);margin:18px 0 10px}
.drawer-link{display:block;padding:11px 12px;border-radius:10px;font-size:14px;color:var(--text-2);border:1px solid transparent}
.drawer-link:hover{background:rgba(43,217,255,.08);color:var(--primary);border-color:var(--line)}

/* ============ layout ============ */
.page-wrap{padding:34px 0 72px}
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:20px}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb span.sep{color:rgba(110,126,156,.6)}
.breadcrumb .current{color:var(--text-2);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:40px;align-items:start}

/* article head */
.article-head{border-bottom:1px solid var(--line);padding-bottom:26px;margin-bottom:30px}
.cat-badges{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:16px}
.badge{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;line-height:1;
  padding:6px 11px;border-radius:999px;border:1px solid var(--line);
  background:rgba(43,217,255,.06);color:var(--text-2);white-space:nowrap;
}
.badge-accent{border-color:rgba(255,77,157,.55);color:#FFB7D6;background:rgba(255,77,157,.1)}
.badge-ok{border-color:rgba(91,240,192,.45);color:var(--ok);background:rgba(91,240,192,.08)}
.article-title{font-size:36px;line-height:1.35;font-weight:800;margin-bottom:18px;word-break:break-word}
.article-meta{display:flex;align-items:center;flex-wrap:wrap;gap:10px 22px;font-size:13px;color:var(--text-3)}
.article-meta .meta-item{display:inline-flex;align-items:center;gap:7px}
.article-meta .dot{width:5px;height:5px;border-radius:50%;background:var(--primary);box-shadow:0 0 8px var(--primary)}
.author-chip{display:inline-flex;align-items:center;gap:9px;color:var(--text-2)}
.author-avatar{
  width:30px;height:30px;border-radius:9px;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--primary),var(--primary-2));color:#061021;
  font-weight:800;font-size:13px;
}

/* article body */
.article-body{
  max-width:760px;
  background:rgba(255,255,255,.016);
  border:1px solid rgba(138,196,255,.1);
  border-radius:var(--radius-l);
  padding:34px 32px;
  font-size:16.5px;
  line-height:1.95;
  color:var(--text-2);
  word-break:break-word;
}
.article-body p{margin:0 0 1.1em}
.article-body h2{
  position:relative;font-size:24px;color:var(--text-1);font-weight:800;
  margin:1.9em 0 .8em;padding-left:16px;line-height:1.4;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:4px;border-radius:4px;
  background:linear-gradient(180deg,var(--primary),var(--primary-2));
  box-shadow:0 0 14px rgba(43,217,255,.85);
}
.article-body h3{font-size:19px;color:var(--text-1);font-weight:700;margin:1.6em 0 .6em}
.article-body h4{font-size:16.5px;color:var(--text-1);font-weight:700;margin:1.4em 0 .5em}
.article-body a{color:var(--primary);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:#7FE9FF}
.article-body strong{color:var(--text-1);font-weight:700}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.35em}
.article-body ul{list-style:none;padding-left:1.2em}
.article-body ul>li{position:relative;margin-bottom:.55em}
.article-body ul>li::before{
  content:"";position:absolute;left:-1.05em;top:.72em;width:6px;height:6px;border-radius:2px;
  background:linear-gradient(140deg,var(--primary),var(--primary-2));
  box-shadow:0 0 8px rgba(43,217,255,.7);
}
.article-body ol{list-style:decimal}
.article-body ol>li{margin-bottom:.55em}
.article-body ol>li::marker{color:var(--primary);font-weight:700}
.article-body blockquote{
  margin:1.4em 0;padding:16px 20px;border-left:3px solid var(--primary);
  background:rgba(43,217,255,.07);border-radius:0 var(--radius-s) var(--radius-s) 0;
  color:var(--text-2);font-style:normal;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--radius-m);border:1px solid var(--line);margin:1.4em 0}
.article-body figure{margin:1.4em 0}
.article-body figcaption{font-size:12.5px;color:var(--text-3);text-align:center;margin-top:.6em}
.article-body table{width:100%;border-collapse:collapse;margin:1.4em 0;font-size:14.5px}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 12px;text-align:left}
.article-body th{background:rgba(43,217,255,.09);color:var(--text-1);font-weight:700}
.article-body tbody tr:nth-child(even){background:rgba(255,255,255,.02)}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2em 0}
.article-body code{background:rgba(43,217,255,.12);padding:2px 6px;border-radius:6px;font-size:.9em;color:#9EEBFF}

/* empty state */
.empty-state{
  border:1px dashed var(--line-strong);border-radius:var(--radius-l);
  padding:56px 24px;text-align:center;background:rgba(255,255,255,.02);
}
.empty-state .empty-icon{
  width:52px;height:52px;margin:0 auto 16px;border-radius:14px;display:grid;place-items:center;
  background:rgba(43,217,255,.1);border:1px solid var(--line);color:var(--primary);
}
.empty-state h2{font-size:20px;color:var(--text-1);margin-bottom:10px}
.empty-state p{font-size:14px;color:var(--text-3);margin-bottom:22px}

/* key points */
.key-box{
  max-width:760px;margin-top:34px;
  background:linear-gradient(160deg,rgba(43,217,255,.1),rgba(255,255,255,.03) 46%,rgba(255,77,157,.06));
  border:1px solid var(--line);border-radius:var(--radius-l);
  padding:26px 28px;backdrop-filter:blur(14px) saturate(140%);
}
.key-box h2{font-size:18px;color:var(--text-1);margin-bottom:16px;display:flex;align-items:center;gap:10px}
.key-box h2 .bar{width:4px;height:16px;border-radius:3px;background:linear-gradient(180deg,var(--primary),var(--primary-2));box-shadow:0 0 12px rgba(43,217,255,.8)}
.key-box ol{counter-reset:k;display:grid;gap:10px}
.key-box ol>li{
  counter-increment:k;position:relative;padding-left:34px;font-size:14.5px;color:var(--text-2);
}
.key-box ol>li::before{
  content:counter(k,decimal-leading-zero);position:absolute;left:0;top:1px;
  font-size:12px;font-weight:800;color:var(--primary);letter-spacing:.04em;
  border:1px solid rgba(43,217,255,.42);border-radius:7px;padding:1px 6px;background:rgba(43,217,255,.08);
}

/* tags */
.tag-block{max-width:760px;margin-top:28px}
.tag-block .tag-title{font-size:13px;color:var(--text-3);letter-spacing:.1em;margin-bottom:12px}
.tag-list{display:flex;flex-wrap:wrap;gap:9px}
.tag-item{
  font-size:12.5px;padding:6px 13px;border-radius:999px;
  border:1px solid var(--line);background:rgba(255,255,255,.03);color:var(--text-2);
  transition:.22s ease;
}
.tag-item:hover{color:var(--primary);border-color:var(--line-strong);background:rgba(43,217,255,.08);transform:translateY(-2px)}

/* related */
.related-block{margin-top:48px;padding-top:36px;border-top:1px solid var(--line)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:22px}
.section-head h2{font-size:22px;color:var(--text-1)}
.section-head .sub{font-size:13px;color:var(--text-3);margin-top:6px}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.rel-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:linear-gradient(160deg,rgba(43,217,255,.08),rgba(255,255,255,.028) 46%,rgba(124,107,255,.06));
  border:1px solid var(--line);border-radius:var(--radius-m);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.rel-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-glow)}
.rel-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--bg-2)}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .22s ease}
.rel-card:hover .rel-thumb img{transform:scale(1.04)}
.rel-body{padding:16px 16px 18px;display:flex;flex-direction:column;gap:10px;flex:1}
.rel-body h3{font-size:14.5px;line-height:1.55;color:var(--text-1);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rel-meta{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--text-3);margin-top:auto}

/* pager */
.pager{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:26px}
.pager a{
  display:block;padding:16px 18px;border-radius:var(--radius-m);
  border:1px solid var(--line);background:rgba(255,255,255,.024);
  transition:.22s ease;
}
.pager a:hover{border-color:var(--primary);background:rgba(43,217,255,.07);transform:translateY(-2px)}
.pager .p-label{font-size:12px;color:var(--text-3);letter-spacing:.1em;margin-bottom:6px}
.pager .p-title{font-size:14px;color:var(--text-1);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.back-row{margin-top:22px}

/* in-article CTA */
.inline-cta{
  margin-top:34px;padding:26px 28px;border-radius:var(--radius-l);
  background:
    radial-gradient(circle at 88% 18%,rgba(124,107,255,.26),transparent 58%),
    linear-gradient(120deg,rgba(43,217,255,.14),rgba(7,11,24,.4));
  border:1px solid var(--line-strong);
  display:flex;align-items:center;justify-content:space-between;gap:22px;flex-wrap:wrap;
}
.inline-cta h3{font-size:19px;color:var(--text-1);margin-bottom:6px}
.inline-cta p{font-size:13.5px;color:var(--text-2)}

/* sidebar */
.sidebar{position:sticky;top:104px;display:grid;gap:18px}
.side-card{
  background:linear-gradient(160deg,rgba(43,217,255,.07),rgba(255,255,255,.025) 50%,rgba(124,107,255,.05));
  border:1px solid var(--line);border-radius:var(--radius-m);padding:20px;
  backdrop-filter:blur(14px) saturate(140%);
}
.side-card h3{font-size:14px;color:var(--text-1);margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-card h3 .bar{width:3px;height:13px;border-radius:2px;background:linear-gradient(180deg,var(--primary),var(--primary-2));box-shadow:0 0 10px rgba(43,217,255,.8)}
.toc{display:grid;gap:2px}
.toc a{
  display:block;font-size:13px;color:var(--text-2);padding:8px 10px;border-radius:8px;
  border-left:2px solid transparent;transition:.2s ease;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.toc a:hover{color:var(--primary);background:rgba(43,217,255,.08);border-left-color:var(--primary)}
.side-list{display:grid;gap:12px}
.side-list a{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--text-2);line-height:1.6;transition:.2s ease}
.side-list a:hover{color:var(--primary)}
.side-list .idx{
  flex-shrink:0;width:20px;height:20px;border-radius:6px;display:grid;place-items:center;
  font-size:11px;font-weight:800;color:var(--primary);background:rgba(43,217,255,.1);
  border:1px solid rgba(43,217,255,.3);margin-top:2px;
}
.side-note{font-size:12.5px;color:var(--text-3);line-height:1.85}
.toc-toggle{display:none}

/* mobile toc */
.mobile-toc{
  display:none;margin-bottom:18px;border:1px solid var(--line);border-radius:var(--radius-m);
  background:rgba(255,255,255,.025);overflow:hidden;
}
.mobile-toc button{
  width:100%;display:flex;align-items:center;justify-content:space-between;
  padding:14px 18px;font-size:14px;color:var(--text-1);font-weight:700;
}
.mobile-toc .arrow{transition:transform .24s ease;color:var(--primary)}
.mobile-toc.open .arrow{transform:rotate(180deg)}
.mobile-toc .toc{max-height:0;overflow:hidden;transition:max-height .28s ease;padding:0 12px}
.mobile-toc.open .toc{max-height:520px;overflow-y:auto;padding:0 12px 12px}

/* ============ footer ============ */
.site-footer{
  margin-top:40px;border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(11,17,36,.65),rgba(7,11,24,.96));
  padding:56px 0 0;
}
.footer-grid{display:grid;grid-template-columns:1.55fr 1fr 1fr 1fr 1fr;gap:32px;padding-bottom:38px}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p{font-size:13px;color:var(--text-3);line-height:1.9;max-width:330px}
.footer-col h4{font-size:13px;color:var(--text-1);margin-bottom:14px;letter-spacing:.06em}
.footer-col a,.footer-col span{display:block;font-size:13px;color:var(--text-3);margin-bottom:10px;transition:.2s ease;line-height:1.7}
.footer-col a:hover{color:var(--primary);transform:translateX(2px)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid var(--line);padding:20px 0 26px;font-size:12.5px;color:var(--text-3);
}
.footer-bottom .links{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.footer-bottom a:hover{color:var(--primary)}

/* ============ responsive ============ */
@media (max-width:1279px){
  .article-layout{grid-template-columns:minmax(0,1fr) 272px;gap:30px}
  .article-title{font-size:32px}
}
@media (max-width:1023px){
  .article-layout{grid-template-columns:minmax(0,1fr)}
  .sidebar{display:none}
  .mobile-toc{display:block}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1.3fr 1fr 1fr;row-gap:28px}
  .search-pill{max-width:260px}
  .trend-strip{display:none}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .brand-row{padding:10px 20px;min-height:58px;gap:10px}
  .search-pill{display:none}
  .header-tools .btn-primary{display:none}
  .menu-toggle{display:grid}
  .logo-name{font-size:14px}
  .logo-sub{display:none}
  .channel-row{padding:0 20px 8px}
  .page-wrap{padding:24px 0 52px}
  .article-title{font-size:27px;line-height:1.38}
  .article-body{padding:24px 20px;font-size:16px;line-height:1.9;border-radius:var(--radius-m)}
  .article-body h2{font-size:20px}
  .article-body h3{font-size:17.5px}
  .key-box{padding:22px 20px}
  .related-grid{grid-template-columns:minmax(0,1fr)}
  .pager{grid-template-columns:minmax(0,1fr)}
  .inline-cta{padding:22px 20px;flex-direction:column;align-items:flex-start}
  .footer-grid{grid-template-columns:1fr 1fr;gap:24px}
  .footer-brand{grid-column:1 / -1}
  .footer-brand p{max-width:100%}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px}
  .section-head{flex-direction:column;align-items:flex-start}
}
@media (max-width:479px){
  .article-title{font-size:24px}
  .article-body{padding:20px 16px;font-size:15.5px}
  .footer-grid{grid-template-columns:1fr}
}

/* roulang page: category1 */
:root{
  --bg-0:#070B18;
  --bg-1:#0B1124;
  --bg-2:#101A33;
  --line:rgba(138,196,255,.16);
  --line-strong:rgba(138,196,255,.34);
  --text-1:#E9F1FB;
  --text-2:#A7B6D1;
  --text-3:#6E7E9C;
  --primary:#2BD9FF;
  --primary-2:#7C6BFF;
  --accent:#FF4D9D;
  --ok:#5BF0C0;
  --glass:rgba(255,255,255,.045);
  --radius-s:10px;
  --radius-m:16px;
  --radius-l:22px;
  --shadow-glow:0 12px 40px -14px rgba(43,217,255,.55);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"HarmonyOS Sans","PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text-1);
  background-color:var(--bg-0);
  background-image:
    radial-gradient(circle at 12% 6%,rgba(43,217,255,.11),transparent 46%),
    radial-gradient(circle at 88% 76%,rgba(124,107,255,.13),transparent 52%),
    radial-gradient(rgba(138,196,255,.055) 1px,transparent 1px);
  background-size:auto,auto,24px 24px;
  background-attachment:fixed;
  overflow-x:hidden;
}
h1,h2,h3,h4,p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,select{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
::selection{background:rgba(43,217,255,.3);color:#fff}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.anchor-dot{display:block;height:0;overflow:hidden}
.section{padding:72px 0;border-top:1px solid var(--line);scroll-margin-top:120px}
.section--alt{background:var(--bg-1)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px}
.section-head h2{font-size:27px;line-height:1.3;letter-spacing:-.01em;font-weight:800}
.section-head p{font-size:14px;color:var(--text-2);margin-top:8px;max-width:640px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.12em;
  color:var(--primary);border:1px solid var(--line-strong);border-radius:999px;
  padding:5px 14px;background:rgba(43,217,255,.07);
}
.eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--primary);box-shadow:0 0 10px var(--primary)}
.pill{
  display:inline-flex;align-items:center;gap:6px;font-size:12.5px;color:var(--text-2);
  border:1px solid var(--line);border-radius:999px;padding:5px 13px;background:rgba(255,255,255,.03);
  transition:color .22s ease,border-color .22s ease,background .22s ease;
}
.pill:hover{color:var(--primary);border-color:var(--line-strong);background:rgba(43,217,255,.07)}
.badge-num{
  display:inline-flex;align-items:center;justify-content:center;min-width:34px;height:24px;
  padding:0 9px;border-radius:999px;font-size:11.5px;font-weight:700;letter-spacing:.04em;
  color:var(--primary);border:1px solid rgba(43,217,255,.42);background:rgba(43,217,255,.1);
  font-variant-numeric:tabular-nums;
}
.badge-hot{
  color:var(--accent);border-color:rgba(255,77,157,.42);background:rgba(255,77,157,.1);
}
.badge-tag{
  display:inline-flex;align-items:center;font-size:11.5px;color:var(--text-2);
  border:1px solid var(--line);border-radius:8px;padding:2px 8px;background:rgba(255,255,255,.03);
}
/* ================= header ================= */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(7,11,24,.74);
  border-bottom:1px solid transparent;
  transition:background .22s ease,border-color .22s ease,box-shadow .22s ease;
  backdrop-filter:blur(12px) saturate(130%);
}
.site-header.is-stuck{
  background:rgba(7,11,24,.92);
  border-bottom:1px solid rgba(43,217,255,.28);
  box-shadow:0 10px 34px -22px rgba(43,217,255,.8);
  backdrop-filter:blur(18px) saturate(150%);
}
.brand-row{display:flex;align-items:center;gap:18px;padding:12px 24px;min-height:62px;transition:min-height .22s ease}
.is-stuck .brand-row{min-height:54px}
.logo{display:flex;align-items:center;gap:11px;flex-shrink:0}
.logo-mark{
  width:38px;height:38px;flex-shrink:0;border-radius:11px;
  background:linear-gradient(140deg,var(--primary),var(--primary-2));
  display:grid;place-items:center;color:#04101d;font-weight:800;font-size:15px;
  clip-path:polygon(0 0,100% 0,100% 72%,72% 100%,0 100%);
  box-shadow:0 8px 22px -12px rgba(43,217,255,.9);
}
.logo-text{display:flex;flex-direction:column;line-height:1.2}
.logo-name{font-size:15.5px;font-weight:800;letter-spacing:-.01em}
.logo-sub{font-size:11px;color:var(--text-3);letter-spacing:.08em}
.search-pill{
  display:flex;align-items:center;gap:8px;flex:1;max-width:400px;
  background:var(--bg-2);border:1px solid var(--line);border-radius:999px;
  padding:0 14px;height:40px;transition:border-color .22s ease,box-shadow .22s ease;
}
.search-pill:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(43,217,255,.14)}
.search-pill svg{flex-shrink:0;color:var(--text-3)}
.search-pill input{flex:1;border:0;background:transparent;outline:none;font-size:13.5px;color:var(--text-1);min-width:0}
.search-pill input::placeholder{color:var(--text-3)}
.header-tools{display:flex;align-items:center;gap:12px;margin-left:auto}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:12px;font-weight:700;letter-spacing:.01em;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease,color .22s ease;
  cursor:pointer;text-align:center;
}
.btn-primary{
  background:linear-gradient(100deg,var(--primary),var(--primary-2));
  color:#061021;padding:12px 22px;font-size:14.5px;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.4),0 10px 30px -14px rgba(43,217,255,.85);
}
.btn-primary:hover{filter:brightness(1.08);box-shadow:inset 0 1px 0 rgba(255,255,255,.5),0 16px 42px -14px rgba(43,217,255,.95);transform:translateY(-2px)}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 1px 0 rgba(255,255,255,.3),0 6px 18px -12px rgba(43,217,255,.8)}
.btn-ghost{
  background:transparent;border:1px solid var(--line-strong);color:var(--text-1);
  padding:11px 20px;font-size:14.5px;
}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);box-shadow:0 0 0 4px rgba(43,217,255,.09);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{padding:8px 16px;font-size:13px;border-radius:10px}
.trend-chip{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;color:var(--text-2);
  border:1px solid var(--line);border-radius:999px;padding:5px 11px;white-space:nowrap;transition:.22s ease;
}
.trend-chip:hover{color:var(--primary);border-color:var(--line-strong);background:rgba(43,217,255,.06)}
.trend-chip b{color:var(--accent);font-size:11px;font-weight:700}
.channel-row{display:flex;align-items:center;gap:20px;padding:0 24px 10px}
.channel-nav{display:flex;align-items:center;gap:4px;flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none}
.channel-nav::-webkit-scrollbar{display:none}
.channel-nav a{
  position:relative;font-size:13.5px;color:var(--text-2);padding:7px 12px;border-radius:9px;
  white-space:nowrap;transition:color .22s ease,background .22s ease;
}
.channel-nav a:hover{color:var(--text-1);background:rgba(255,255,255,.05)}
.channel-nav a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:0;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--primary),var(--primary-2));opacity:0;transition:opacity .22s ease;
}
.channel-nav a.is-active{color:var(--primary)}
.channel-nav a.is-active::after{opacity:1;box-shadow:0 0 12px rgba(43,217,255,.9)}
.trend-bar{display:flex;align-items:center;gap:8px;margin-left:auto;overflow-x:auto;scrollbar-width:none;padding:2px 0}
.trend-bar::-webkit-scrollbar{display:none}
.nav-toggle{
  display:none;width:38px;height:38px;border:1px solid var(--line);border-radius:10px;
  align-items:center;justify-content:center;color:var(--text-2);
}
.nav-toggle:hover{color:var(--primary);border-color:var(--line-strong)}
/* drawer */
.drawer-mask{
  position:fixed;inset:0;background:rgba(4,7,16,.72);backdrop-filter:blur(4px);
  opacity:0;pointer-events:none;transition:opacity .26s ease;z-index:200;
}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:84%;max-width:340px;z-index:210;
  background:linear-gradient(180deg,#0A1226,#070B18);
  border-left:1px solid var(--line);
  transform:translateX(102%);transition:transform .3s cubic-bezier(.4,0,.2,1);
  padding:20px;overflow-y:auto;
}
.drawer-open .drawer{transform:translateX(0)}
.drawer-open .drawer-mask{opacity:1;pointer-events:auto}
body.drawer-open{overflow:hidden}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-close{width:36px;height:36px;border:1px solid var(--line);border-radius:10px;display:grid;place-items:center;color:var(--text-2)}
.drawer-close:hover{color:var(--primary);border-color:var(--line-strong)}
.drawer-group-title{font-size:11px;letter-spacing:.16em;color:var(--text-3);margin:18px 0 8px}
.drawer-link{display:block;padding:11px 12px;border-radius:10px;font-size:14px;color:var(--text-2);border:1px solid transparent;transition:.22s ease}
.drawer-link:hover{color:var(--primary);background:rgba(43,217,255,.07);border-color:var(--line)}
.drawer-link.is-active{color:var(--primary);background:rgba(43,217,255,.09);border-color:var(--line-strong)}
.drawer .btn{width:100%;margin-top:20px}
/* ================= hero ================= */
.cat-hero{
  position:relative;padding:48px 0 44px;overflow:hidden;
  border-bottom:1px solid var(--line);
}
.cat-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(circle at 18% 10%,rgba(43,217,255,.16),transparent 48%),
    radial-gradient(circle at 84% 88%,rgba(124,107,255,.16),transparent 52%);
}
.cat-hero-grid{position:relative;display:grid;grid-template-columns:1.4fr .88fr;gap:36px;align-items:center}
.cat-hero h1{font-size:34px;line-height:1.32;letter-spacing:-.01em;font-weight:800;margin:16px 0 14px}
.cat-hero .lead{font-size:15px;color:var(--text-2);line-height:1.85;max-width:640px}
.hero-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.stat-stack{display:flex;flex-direction:column;gap:12px;scroll-margin-top:120px}
.stat-block{
  background:linear-gradient(160deg,rgba(43,217,255,.11),rgba(255,255,255,.03) 46%,rgba(255,77,157,.06));
  border:1px solid var(--line);border-radius:var(--radius-m);
  padding:14px 18px;backdrop-filter:blur(14px) saturate(140%);
  display:grid;grid-template-columns:auto 1fr;gap:4px 14px;align-items:center;
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.stat-block:hover{transform:translateY(-3px);border-color:var(--line-strong);box-shadow:var(--shadow-glow)}
.stat-num{font-size:26px;font-weight:800;color:var(--primary);font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.stat-label{font-size:13.5px;color:var(--text-1);font-weight:700}
.stat-block p{grid-column:1 / -1;font-size:12.5px;color:var(--text-3);line-height:1.65;margin-top:2px}
/* ================= filter ================= */
.filter-bar{border-bottom:1px solid var(--line);background:rgba(11,17,36,.6);backdrop-filter:blur(10px)}
.filter-inner{display:flex;align-items:center;gap:8px;padding:12px 24px;overflow-x:auto;scrollbar-width:none}
.filter-inner::-webkit-scrollbar{display:none}
.filter-item{
  position:relative;font-size:13px;color:var(--text-2);padding:7px 14px;border-radius:999px;
  border:1px solid var(--line);white-space:nowrap;transition:.22s ease;
}
.filter-item:hover{color:var(--text-1);border-color:var(--line-strong);background:rgba(255,255,255,.05)}
.filter-item.is-active{
  color:var(--primary);border-color:rgba(43,217,255,.5);background:rgba(43,217,255,.1);
  box-shadow:0 6px 18px -12px rgba(43,217,255,.9);
}
.filter-note{margin-left:auto;font-size:12px;color:var(--text-3);white-space:nowrap}
/* ================= card grid ================= */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.scene-card{
  display:flex;flex-direction:column;overflow:hidden;
  border:1px solid var(--line);border-radius:var(--radius-m);
  background:linear-gradient(160deg,rgba(43,217,255,.1),rgba(255,255,255,.03) 46%,rgba(255,77,157,.06));
  backdrop-filter:blur(14px) saturate(140%);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
  scroll-margin-top:120px;
}
.scene-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-glow)}
.scene-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:rgba(255,255,255,.03)}
.scene-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.scene-card:hover .scene-thumb img{transform:scale(1.04)}
.scene-thumb::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,11,24,.05),rgba(7,11,24,.62));
}
.thumb-num{position:absolute;top:10px;right:10px;z-index:2}
.scene-body{display:flex;flex-direction:column;gap:8px;padding:18px 20px 20px;flex:1}
.scene-title{
  font-size:16.5px;font-weight:700;line-height:1.45;letter-spacing:-.01em;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.scene-desc{
  font-size:13.5px;color:var(--text-2);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-meta{display:flex;align-items:center;gap:8px;margin-top:auto;padding-top:12px;font-size:12px;color:var(--text-3)}
.card-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--text-3)}
.empty-state{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;
  padding:44px 24px;border:1px dashed var(--line-strong);border-radius:var(--radius-m);
  background:rgba(255,255,255,.025);text-align:center;
}
.empty-state svg{color:var(--text-3)}
.empty-state strong{font-size:15px;color:var(--text-1)}
.empty-state span{font-size:13px;color:var(--text-3)}
.more-wrap{display:flex;justify-content:center;margin-top:32px}
/* ================= featured ================= */
.wide-list{display:flex;flex-direction:column;gap:20px}
.wide-card{
  display:grid;grid-template-columns:300px 1fr;gap:0;overflow:hidden;
  border:1px solid var(--line);border-radius:var(--radius-l);
  background:linear-gradient(160deg,rgba(43,217,255,.09),rgba(255,255,255,.03) 50%,rgba(124,107,255,.08));
  backdrop-filter:blur(14px) saturate(140%);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.wide-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-glow)}
.wide-thumb{position:relative;overflow:hidden;min-height:200px;background:rgba(255,255,255,.03)}
.wide-thumb img{width:100%;height:100%;object-fit:cover}
.wide-thumb .badge-num{position:absolute;top:12px;left:12px}
.wide-body{padding:24px 26px;display:flex;flex-direction:column;gap:10px}
.wide-body h3{font-size:19px;line-height:1.45;font-weight:800;letter-spacing:-.01em}
.wide-body p{font-size:13.8px;color:var(--text-2);line-height:1.85}
.wide-points{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:10px}
/* ================= rank ================= */
.rank-list{
  border:1px solid var(--line);border-radius:var(--radius-l);overflow:hidden;
  background:rgba(255,255,255,.025);backdrop-filter:blur(12px);
}
.rank-item{
  display:grid;grid-template-columns:52px 1fr auto;gap:16px;align-items:center;
  padding:16px 22px;border-bottom:1px solid var(--line);transition:background .22s ease;
}
.rank-item:last-child{border-bottom:0}
.rank-item:hover{background:rgba(43,217,255,.06)}
.rank-num{
  font-size:20px;font-weight:800;color:var(--text-3);font-variant-numeric:tabular-nums;letter-spacing:-.02em;
}
.rank-item:nth-child(-n+3) .rank-num{color:var(--primary)}
.rank-name{font-size:15px;font-weight:700}
.rank-desc{font-size:12.8px;color:var(--text-3);line-height:1.7;margin-top:2px}
/* ================= faq ================= */
.faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.faq-item{
  border:1px solid var(--line);border-radius:14px;overflow:hidden;
  background:rgba(255,255,255,.035);backdrop-filter:blur(10px);
  transition:border-color .22s ease,background .22s ease;
}
.faq-item:hover{border-color:var(--line-strong)}
.faq-item.is-open{border-color:rgba(43,217,255,.45);background:rgba(43,217,255,.07)}
.faq-q{
  display:flex;align-items:center;gap:12px;width:100%;text-align:left;
  padding:16px 18px;font-size:14.5px;font-weight:700;color:var(--text-1);line-height:1.55;
}
.faq-q::before{
  content:"";width:3px;height:18px;border-radius:2px;flex-shrink:0;
  background:linear-gradient(180deg,var(--primary),var(--primary-2));opacity:.35;
  transition:opacity .22s ease,box-shadow .22s ease;
}
.faq-item.is-open .faq-q::before{opacity:1;box-shadow:0 0 12px rgba(43,217,255,.9)}
.faq-icon{
  margin-left:auto;flex-shrink:0;width:20px;height:20px;display:grid;place-items:center;
  color:var(--text-3);transition:transform .24s ease,color .24s ease;
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);color:var(--primary)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease}
.faq-a p{padding:0 18px 16px 33px;font-size:13.5px;color:var(--text-2);line-height:1.85}
/* ================= channel entry ================= */
.channel-list{display:flex;flex-direction:column;gap:14px}
.channel-bar{
  display:grid;grid-template-columns:auto 1fr auto;gap:18px;align-items:center;
  padding:20px 24px;border:1px solid var(--line);border-radius:var(--radius-m);
  background:linear-gradient(100deg,rgba(43,217,255,.08),rgba(255,255,255,.025) 55%,rgba(124,107,255,.09));
  backdrop-filter:blur(12px);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease,background .22s ease;
}
.channel-bar:hover{transform:translateX(6px);border-color:var(--line-strong);box-shadow:var(--shadow-glow)}
.channel-name{font-size:16px;font-weight:800;letter-spacing:-.01em}
.channel-desc{font-size:13.2px;color:var(--text-2);line-height:1.75}
.channel-arrow{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  border:1px solid var(--line-strong);color:var(--primary);transition:.22s ease;
}
.channel-bar:hover .channel-arrow{background:rgba(43,217,255,.15);box-shadow:0 0 18px -6px rgba(43,217,255,.9)}
/* ================= footer ================= */
.site-footer{background:var(--bg-1);border-top:1px solid var(--line);padding-top:56px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr 1.2fr;gap:32px;padding-bottom:36px}
.footer-brand p{font-size:13.2px;color:var(--text-2);line-height:1.85;margin-top:14px;max-width:340px}
.footer-col h4{font-size:12.5px;letter-spacing:.1em;color:var(--text-1);margin:0 0 14px;font-weight:700}
.footer-col a,.footer-col span{display:block;font-size:13px;color:var(--text-2);padding:5px 0;transition:color .22s ease}
.footer-col a:hover{color:var(--primary)}
.footer-bottom{
  border-top:1px solid var(--line);padding:18px 0 22px;display:flex;justify-content:space-between;
  align-items:center;gap:14px;flex-wrap:wrap;font-size:12.5px;color:var(--text-3);
}
.footer-bottom .links{display:flex;gap:18px;flex-wrap:wrap;align-items:center}
.footer-bottom a{transition:color .22s ease}
.footer-bottom a:hover{color:var(--primary)}
/* ================= responsive ================= */
@media (max-width:1180px){
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1.6fr 1fr 1fr 1.2fr}
}
@media (max-width:1024px){
  .search-pill{max-width:260px}
  .trend-bar{display:none}
  .cat-hero-grid{grid-template-columns:1fr;gap:26px}
  .stat-stack{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
  .stat-block{grid-template-columns:1fr;align-items:flex-start}
  .wide-card{grid-template-columns:240px 1fr}
  .footer-grid{grid-template-columns:1fr 1fr 1fr}
}
@media (max-width:820px){
  .search-pill{display:none}
  .nav-toggle{display:inline-flex}
  .channel-row{papdding-bottom:8px}
  .section{padding:56px 0}
  .cat-hero{padding:38px 0 34px}
  .cat-hero h1{font-size:28px}
  .stat-stack{grid-template-columns:1fr}
  .faq-grid{grid-template-columns:1fr}
  .wide-card{grid-template-columns:1fr}
  .wide-thumb{min-height:180px;aspect-ratio:16/9}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:640px){
  .container{padding:0 20px}
  .brand-row{padding:10px 20px;gap:12px}
  .channel-row{padding:0 20px 8px}
  .logo-name{font-size:13.5px}
  .logo-sub{display:none}
  .logo-mark{width:34px;height:34px;font-size:13px}
  .header-tools .trend-chip{display:none}
  .card-grid{grid-template-columns:1fr}
  .section{padding:44px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:24px}
  .section-head h2{font-size:22px}
  .cat-hero h1{font-size:25px}
  .cat-hero .lead{font-size:14px}
  .wide-body{padding:20px}
  .rank-item{grid-template-columns:38px 1fr;padding:14px 16px}
  .rank-item .badge-tag{display:none}
  .channel-bar{grid-template-columns:1fr auto;gap:10px;padding:16px 18px}
  .channel-desc{grid-column:1 / -1;font-size:12.8px}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .filter-note{display:none}
  .faq-q{font-size:13.8px;padding:14px 16px}
  .faq-a p{padding:0 16px 14px 31px}
}

/* roulang page: category2 */
:root{
  --bg-0:#070B18;
  --bg-1:#0B1124;
  --bg-2:#101A33;
  --line:rgba(138,196,255,.16);
  --line-strong:rgba(138,196,255,.34);
  --text-1:#E9F1FB;
  --text-2:#A7B6D1;
  --text-3:#6E7E9C;
  --primary:#2BD9FF;
  --primary-2:#7C6BFF;
  --accent:#FF4D9D;
  --ok:#5BF0C0;
  --glass:rgba(255,255,255,.045);
  --radius-s:10px;
  --radius-m:16px;
  --radius-l:22px;
  --shadow-glow:0 12px 40px -14px rgba(43,217,255,.55);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"HarmonyOS Sans","PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text-1);
  background-color:var(--bg-0);
  background-image:
    radial-gradient(circle at 10% 4%,rgba(43,217,255,.11),transparent 46%),
    radial-gradient(circle at 90% 72%,rgba(124,107,255,.13),transparent 52%),
    radial-gradient(rgba(138,196,255,.055) 1px,transparent 1px);
  background-size:auto,auto,24px 24px;
  background-attachment:fixed;
  overflow-x:hidden;
}
h1,h2,h3,h4{margin:0;line-height:1.3;letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,select{font:inherit;color:inherit}
::selection{background:rgba(43,217,255,.3);color:#fff}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:#070B18}
::-webkit-scrollbar-thumb{background:rgba(138,196,255,.22);border-radius:99px}
::-webkit-scrollbar-thumb:hover{background:rgba(43,217,255,.42)}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.num{font-variant-numeric:tabular-nums;font-weight:700}
/* ================= header ================= */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(7,11,24,.74);
  border-bottom:1px solid transparent;
  backdrop-filter:blur(12px) saturate(130%);
  transition:background .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.site-header.is-stuck{
  background:rgba(7,11,24,.92);
  border-bottom:1px solid rgba(43,217,255,.28);
  box-shadow:0 10px 34px -22px rgba(43,217,255,.8);
}
.brand-row{display:flex;align-items:center;gap:18px;padding:12px 24px;min-height:62px;transition:min-height .22s ease}
.is-stuck .brand-row{min-height:54px}
.logo{display:flex;align-items:center;gap:11px;flex-shrink:0}
.logo-mark{
  width:38px;height:38px;flex-shrink:0;border-radius:11px;
  background:linear-gradient(140deg,var(--primary),var(--primary-2));
  display:grid;place-items:center;color:#04101d;font-weight:800;font-size:15px;
  clip-path:polygon(0 0,100% 0,100% 72%,72% 100%,0 100%);
  box-shadow:0 8px 22px -12px rgba(43,217,255,.9);
}
.logo-text{display:flex;flex-direction:column;line-height:1.2}
.logo-name{font-size:15.5px;font-weight:800;letter-spacing:-.01em}
.logo-sub{font-size:11px;color:var(--text-3);letter-spacing:.08em}
.search-pill{
  display:flex;align-items:center;gap:8px;flex:1;max-width:400px;
  background:var(--bg-2);border:1px solid var(--line);border-radius:999px;
  padding:0 14px;height:40px;transition:border-color .22s ease,box-shadow .22s ease;
}
.search-pill:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(43,217,255,.14)}
.search-pill svg{flex-shrink:0;color:var(--text-3)}
.search-pill input{flex:1;border:0;background:transparent;outline:none;font-size:13.5px;color:var(--text-1);min-width:0}
.search-pill input::placeholder{color:var(--text-3)}
.header-tools{display:flex;align-items:center;gap:12px;margin-left:auto}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:12px;font-weight:700;letter-spacing:.01em;cursor:pointer;text-align:center;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease,color .22s ease,filter .22s ease;
}
.btn-primary{
  background:linear-gradient(100deg,var(--primary),var(--primary-2));
  color:#061021;padding:12px 22px;font-size:14.5px;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.4),0 10px 30px -14px rgba(43,217,255,.85);
}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-2px);box-shadow:inset 0 1px 0 rgba(255,255,255,.5),0 16px 42px -14px rgba(43,217,255,.95)}
.btn-primary:active{transform:translateY(0);filter:brightness(.98)}
.btn-ghost{background:transparent;border:1px solid var(--line-strong);color:var(--text-1);padding:11px 20px;font-size:14.5px}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);box-shadow:0 0 0 4px rgba(43,217,255,.09);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{padding:8px 16px;font-size:13px;border-radius:10px}
.nav-toggle{display:none;width:38px;height:38px;border:1px solid var(--line);border-radius:10px;color:var(--text-2);place-items:center}
.nav-toggle:hover{color:var(--primary);border-color:var(--line-strong)}
.channel-row{display:flex;align-items:center;gap:20px;padding:0 24px 10px}
.channel-nav{display:flex;align-items:center;gap:4px;flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none}
.channel-nav::-webkit-scrollbar{display:none}
.channel-nav a{
  position:relative;font-size:13.5px;color:var(--text-2);padding:7px 12px;border-radius:9px;
  white-space:nowrap;transition:color .22s ease,background .22s ease;
}
.channel-nav a:hover{color:var(--text-1);background:rgba(255,255,255,.05)}
.channel-nav a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:0;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--primary),var(--primary-2));opacity:0;transition:opacity .22s ease;
}
.channel-nav a.is-active{color:var(--primary)}
.channel-nav a.is-active::after{opacity:1;box-shadow:0 0 12px rgba(43,217,255,.9)}
.trend-strip{display:flex;align-items:center;gap:8px;margin-left:auto;overflow-x:auto;scrollbar-width:none}
.trend-strip::-webkit-scrollbar{display:none}
.trend-chip{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;color:var(--text-2);
  border:1px solid var(--line);border-radius:999px;padding:4px 10px;white-space:nowrap;transition:.22s ease;
}
.trend-chip:hover{color:var(--primary);border-color:var(--line-strong);background:rgba(43,217,255,.06)}
.trend-chip b{color:var(--accent);font-size:11px;font-weight:700}
/* drawer */
.drawer-mask{position:fixed;inset:0;background:rgba(4,7,16,.7);backdrop-filter:blur(4px);opacity:0;pointer-events:none;transition:opacity .26s ease;z-index:200}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:84%;max-width:340px;z-index:210;
  background:linear-gradient(180deg,#0A1226,#070B18);border-left:1px solid var(--line);
  transform:translateX(102%);transition:transform .3s cubic-bezier(.4,0,.2,1);
  padding:20px;overflow-y:auto;
}
.drawer-open .drawer{transform:translateX(0)}
.drawer-open .drawer-mask{opacity:1;pointer-events:auto}
body.drawer-open{overflow:hidden}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-close{width:36px;height:36px;border:1px solid var(--line);border-radius:10px;display:grid;place-items:center;color:var(--text-2)}
.drawer-close:hover{color:var(--primary);border-color:var(--line-strong)}
.drawer-group-title{font-size:11px;letter-spacing:.14em;color:var(--text-3);margin:18px 0 10px}
.drawer-nav{display:flex;flex-direction:column;gap:6px}
.drawer-nav a{padding:11px 12px;border-radius:10px;border:1px solid transparent;font-size:14px;color:var(--text-2)}
.drawer-nav a:hover,.drawer-nav a.is-active{color:var(--primary);background:rgba(43,217,255,.08);border-color:rgba(43,217,255,.28)}
.drawer-chips{display:flex;flex-wrap:wrap;gap:8px}
.drawer .btn{width:100%;margin-top:18px}
/* ================= section base ================= */
.section{padding:72px 0;position:relative}
.section--alt{background:linear-gradient(180deg,rgba(11,17,36,.9),rgba(7,11,24,.45));border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:34px}
.section-head h2{font-size:28px}
.section-head p{color:var(--text-2);font-size:14.5px;margin-top:8px;max-width:640px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.16em;color:var(--text-3);text-transform:uppercase;margin-bottom:12px}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--primary),var(--primary-2))}
.glass-card{
  background:linear-gradient(160deg,rgba(43,217,255,.10),rgba(255,255,255,.03) 46%,rgba(255,77,157,.06));
  backdrop-filter:blur(14px) saturate(140%);
  border:1px solid var(--line);border-radius:var(--radius-m);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;line-height:1;padding:6px 10px;border-radius:999px;
  border:1px solid var(--line);background:rgba(255,255,255,.04);color:var(--text-2);
}
.badge--rareness{border-color:rgba(255,77,157,.5);color:var(--primary);background:rgba(255,77,157,.08)}
.badge--ok{border-color:rgba(91,240,192,.45);color:var(--ok);background:rgba(91,240,192,.08)}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:13.5px;color:var(--primary);font-weight:700;transition:gap .22s ease,color .22s ease}
.link-more:hover{gap:10px;color:#7DEBFF;text-decoration:underline;text-underline-offset:4px}
/* ================= cat head ================= */
.cat-head{padding:44px 0 40px;position:relative;overflow:hidden}
.cat-head::after{
  content:"";position:absolute;right:-8%;top:-40%;width:520px;height:520px;pointer-events:none;
  background:radial-gradient(circle,rgba(43,217,255,.16),transparent 66%);
}
.cat-head-inner{display:grid;grid-template-columns:1.35fr .85fr;gap:40px;align-items:center;position:relative;z-index:1}
.crumb{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--text-3);margin-bottom:16px;flex-wrap:wrap}
.crumb a:hover{color:var(--primary)}
.cat-head h1{font-size:38px;line-height:1.28;letter-spacing:-.02em}
.cat-head h1 em{font-style:normal;background:linear-gradient(100deg,var(--primary),var(--primary-2));-webkit-background-clip:text;background-clip:text;color:transparent}
.cat-head .lead{margin-top:14px;color:var(--text-2);font-size:15.5px;max-width:640px}
.cat-meta-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.attr-panel{padding:22px;border-radius:var(--radius-l)}
.attr-panel h2{font-size:13px;letter-spacing:.12em;color:var(--text-3);font-weight:700;margin-bottom:16px}
.stat-bar{margin-bottom:14px}
.stat-bar:last-child{margin-bottom:0}
.stat-bar .stat-top{display:flex;justify-content:space-between;font-size:12.5px;color:var(--text-2);margin-bottom:7px}
.stat-bar .stat-top b{color:var(--text-1);font-variant-numeric:tabular-nums}
.stat-track{height:8px;border-radius:999px;background:var(--bg-2);border:1px solid var(--line);overflow:hidden}
.stat-fill{height:100%;border-radius:999px;background:linear-gradient(90deg,var(--primary),var(--primary-2));box-shadow:inset 0 1px 0 rgba(255,255,255,.4)}
/* ================= timeline ================= */
.timeline{position:relative;display:flex;flex-direction:column;gap:16px}
.timeline::before{
  content:"";position:absolute;left:127px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,rgba(43,217,255,.7),rgba(124,107,255,.4),rgba(43,217,255,.12));
  border-radius:2px;
}
.tl-item{display:grid;grid-template-columns:110px 18px 1fr;gap:0 18px;align-items:flex-start}
.tl-time{padding-top:18px;text-align:right}
.tl-day{display:block;font-size:12px;color:var(--text-3);letter-spacing:.08em}
.tl-clock{display:block;font-size:13.5px;color:var(--primary);font-weight:700;font-variant-numeric:tabular-nums;word-break:break-all}
.tl-node{position:relative;display:flex;justify-content:center;padding-top:24px}
.tl-node span{width:11px;height:11px;border-radius:50%;background:var(--bg-0);border:2px solid var(--primary);box-shadow:0 0 14px rgba(43,217,255,.85)}
.tl-card{padding:20px 22px;border-radius:var(--radius-m);border:1px solid var(--line);background:linear-gradient(160deg,rgba(43,217,255,.08),rgba(255,255,255,.025) 55%,rgba(124,107,255,.07));transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease}
.tl-card:hover{transform:translateY(-3px);border-color:var(--line-strong);box-shadow:var(--shadow-glow)}
.tl-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:10px}
.tl-place{font-size:12.5px;color:var(--text-3)}
.tl-card h3{font-size:19px;margin-bottom:8px}
.tl-card h3 a:hover{color:var(--primary)}
.tl-card p{font-size:14px;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.tl-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:14px;flex-wrap:wrap}
.tl-cap{font-size:12.5px;color:var(--text-3)}
/* ================= hscroll team ================= */
.hscroll{display:flex;gap:18px;overflow-x:auto;padding:6px 2px 18px;scroll-snap-type:x mandatory;scrollbar-width:thin}
.team-card{
  position:relative;flex:0 0 300px;scroll-snap-align:start;display:flex;flex-direction:column;overflow:hidden;
  border-radius:var(--radius-m);border:1px solid var(--line);
  background:linear-gradient(160deg,rgba(43,217,255,.09),rgba(255,255,255,.03) 50%,rgba(255,77,157,.06));
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.team-card:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:var(--shadow-glow)}
.team-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--bg-2)}
.team-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;opacity:.92}
.team-card:hover .team-thumb img{transform:scale(1.05)}
.team-thumb .fig-no{
  position:absolute;top:10px;left:10px;font-size:11px;letter-spacing:.1em;font-weight:700;
  padding:5px 9px;border-radius:8px;color:#04101d;
  background:linear-gradient(100deg,var(--primary),var(--primary-2));
}
.team-body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:10px;flex:1}
.team-body h3{font-size:16.5px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.team-body h3 a:hover{color:var(--primary)}
.team-body p{font-size:13px;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.team-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:auto;font-size:12.5px;color:var(--text-3)}
/* ================= media list ================= */
.media-list{display:grid;grid-template-columns:1fr 1fr;gap:0 40px}
.media-item{display:grid;grid-template-columns:132px 1fr;gap:16px;padding:18px 0;border-bottom:1px solid var(--line);align-items:start}
.media-thumb{border-radius:12px;overflow:hidden;aspect-ratio:16/10;background:var(--bg-2);border:1px solid var(--line)}
.media-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.media-item:hover .media-thumb img{transform:scale(1.04)}
.media-item h3{font-size:16px;margin-bottom:6px}
.media-item h3 a:hover{color:var(--primary)}
.media-item p{font-size:13px;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.media-meta{display:flex;align-items:center;gap:10px;margin-top:8px;font-size:12px;color:var(--text-3);flex-wrap:wrap}
/* ================= metrics ================= */
.metric-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.metric-card{padding:26px 22px;border-radius:var(--radius-m);position:relative;overflow:hidden}
.metric-card::after{content:"";position:absolute;right:-30px;bottom:-40px;width:130px;height:130px;background:radial-gradient(circle,rgba(43,217,255,.18),transparent 70%)}
.metric-card .m-label{font-size:12px;letter-spacing:.12em;color:var(--text-3)}
.metric-card .m-value{font-size:34px;font-weight:800;font-variant-numeric:tabular-nums;line-height:1.2;margin:8px 0 6px;background:linear-gradient(100deg,var(--primary),var(--primary-2));-webkit-background-clip:text;background-clip:text;color:transparent}
.metric-card .m-text{font-size:13.5px;color:var(--text-2);position:relative;z-index:1}
/* ================= faq ================= */
.faq-wrap{display:grid;grid-template-columns:1fr 1fr;gap:12px 20px}
.acc-item{border:1px solid var(--line);border-radius:14px;background:rgba(255,255,255,.035);overflow:hidden;transition:border-color .22s ease,background .22s ease}
.acc-item.is-open{border-color:rgba(43,217,255,.42);background:rgba(43,217,255,.06)}
.acc-head{display:flex;align-items:center;gap:12px;width:100%;padding:16px 18px;text-align:left;font-size:15px;font-weight:700;color:var(--text-1)}
.acc-head .mark{
  width:20px;height:20px;flex-shrink:0;border-radius:6px;display:grid;place-items:center;
  border:1px solid var(--line-strong);color:var(--primary);font-size:12px;line-height:1;transition:transform .24s ease
}
.acc-item.is-open .acc-head .mark{transform:rotate(45deg);border-color:var(--primary);box-shadow:0 0 10px rgba(43,217,255,.6)}
.acc-body{max-height:0;overflow:hidden;transition:max-height .26s ease}
.acc-body p{padding:0 18px 16px 50px;font-size:14px;color:var(--text-2)}
/* ================= channel entries + cta ================= */
.channel-list{display:flex;flex-direction:column;gap:14px}
.channel-item{
  display:flex;align-items:center;gap:18px;padding:20px 22px;border-radius:var(--radius-m);
  border:1px solid var(--line);background:rgba(255,255,255,.035);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease,background .22s ease;
}
.channel-item:hover{transform:translateX(6px);border-color:var(--line-strong);box-shadow:var(--shadow-glow);background:rgba(43,217,255,.07)}
.channel-item .ch-no{font-size:12px;font-weight:800;color:var(--accent);letter-spacing:.1em;flex-shrink:0}
.channel-item .ch-main{flex:1;min-width:0}
.channel-item h3{font-size:17px}
.channel-item p{font-size:13.5px;color:var(--text-2);margin-top:4px}
.channel-item .ch-arrow{color:var(--primary);font-size:20px;flex-shrink:0}
.channel-item.is-current{border-color:rgba(43,217,255,.45);background:rgba(43,217,255,.08)}
.more-row{display:flex;justify-content:center;margin-top:26px}
.cta-strip{
  margin-top:34px;padding:34px 32px;border-radius:var(--radius-l);position:relative;overflow:hidden;
  border:1px solid var(--line-strong);
  background:linear-gradient(120deg,rgba(43,217,255,.14),rgba(255,255,255,.03) 48%,rgba(124,107,255,.16));
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
}
.cta-strip::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.35;
  background-image:linear-gradient(rgba(138,196,255,.10) 1px,transparent 1px),linear-gradient(90deg,rgba(138,196,255,.10) 1px,transparent 1px);
  background-size:34px 34px;
}
.cta-strip h2{font-size:24px;position:relative;z-index:1}
.cta-strip p{color:var(--text-2);font-size:14px;margin-top:8px;position:relative;z-index:1}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:1}
/* ================= empty state ================= */
.empty-state{padding:36px 24px;text-align:center;border:1px dashed var(--line-strong);border-radius:var(--radius-m);background:rgba(255,255,255,.025)}
.empty-state .ico{width:40px;height:40px;margin:0 auto 12px;border-radius:12px;display:grid;place-items:center;color:var(--primary);border:1px solid var(--line-strong);background:rgba(43,217,255,.08)}
.empty-state strong{display:block;font-size:15px;margin-bottom:6px}
.empty-state span{font-size:13px;color:var(--text-3)}
/* ================= footer ================= */
.site-footer{border-top:1px solid var(--line);background:linear-gradient(180deg,rgba(11,17,36,.6),rgba(7,11,24,.95));padding:56px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr 1.1fr;gap:34px}
.footer-brand .logo{margin-bottom:14px}
.footer-brand p{font-size:13.5px;color:var(--text-2);max-width:330px}
.footer-col h4{font-size:13px;letter-spacing:.1em;color:var(--text-1);margin-bottom:14px}
.footer-col a,.footer-col span{display:block;font-size:13.5px;color:var(--text-2);padding:5px 0;transition:color .22s ease}
.footer-col a:hover{color:var(--primary)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:34px;padding-top:18px;border-top:1px solid var(--line);font-size:12.5px;color:var(--text-3);
}
.footer-bottom .links{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.footer-bottom .links a:hover{color:var(--primary)}
/* ================= responsive ================= */
@media (max-width:1024px){
  .section{padding:56px 0}
  .cat-head-inner{grid-template-columns:1fr;gap:26px}
  .cat-head h1{font-size:32px}
  .timeline::before{left:105px}
  .tl-item{grid-template-columns:90px 16px 1fr;gap:0 14px}
  .media-list{grid-template-columns:1fr;gap:0}
  .metric-grid{grid-template-columns:repeat(3,1fr);gap:14px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:26px}
  .faq-wrap{grid-template-columns:1fr}
  .search-pill{max-width:260px}
}
@media (max-width:768px){
  .container{padding:0 20px}
  .brand-row{padding:10px 20px;gap:12px}
  .channel-row{padding:0 20px 10px;gap:12px}
  .channel-nav a{font-size:13px;padding:7px 10px}
  .trend-strip{display:none}
  .search-pill{display:none}
  .nav-toggle{display:grid}
  .header-tools .trend-chip{display:none}
  .section{padding:44px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:24px}
  .section-head h2{font-size:22px}
  .cat-head{padding:30px 0 32px}
  .cat-head h1{font-size:26px}
  .cat-head .lead{font-size:14.5px}
  .timeline::before{left:7px}
  .tl-item{grid-template-columns:1fr;gap:10px;padding-left:26px;position:relative}
  .tl-node{position:absolute;left:0;top:6px;padding-top:0;width:16px}
  .tl-time{text-align:left;padding-top:0;display:flex;align-items:center;gap:8px}
  .tl-day,.tl-clock{display:inline;font-size:12.5px}
  .media-item{grid-template-columns:104px 1fr;gap:12px}
  .metric-grid{grid-template-columns:1fr;gap:12px}
  .metric-card .m-value{font-size:28px}
  .team-card{flex:0 0 78%}
  .cta-strip{padding:26px 22px;flex-direction:column;align-items:flex-start}
  .footer-grid{grid-template-columns:1fr 1fr;gap:22px}
  .footer-brand{grid-column:1/-1}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .logo-name{font-size:13.5px}
  .logo-sub{font-size:10px}
  .cat-head h1{font-size:23px}
  .media-item{grid-template-columns:1fr;gap:10px}
  .media-thumb{aspect-ratio:16/9}
  .team-card{flex:0 0 88%}
  .channel-item{padding:16px;gap:12px}
  .acc-head{font-size:14px;padding:14px}
  .acc-body p{padding:0 14px 14px 40px;font-size:13.5px}
}

/* roulang page: category3 */
:root{
  --bg-0:#070B18;
  --bg-1:#0B1124;
  --bg-2:#101A33;
  --line:rgba(138,196,255,.16);
  --line-strong:rgba(138,196,255,.34);
  --text-1:#E9F1FB;
  --text-2:#A7B6D1;
  --text-3:#6E7E9C;
  --primary:#2BD9FF;
  --primary-2:#7C6BFF;
  --accent:#FF4D9D;
  --ok:#5BF0C0;
  --glass:rgba(255,255,255,.045);
  --radius-s:10px;
  --radius-m:16px;
  --radius-l:22px;
  --shadow-glow:0 12px 40px -14px rgba(43,217,255,.55);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"HarmonyOS Sans","PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text-1);
  background-color:var(--bg-0);
  background-image:
    radial-gradient(circle at 12% 6%,rgba(43,217,255,.11),transparent 46%),
    radial-gradient(circle at 88% 76%,rgba(124,107,255,.13),transparent 52%),
    radial-gradient(rgba(138,196,255,.055) 1px,transparent 1px);
  background-size:auto,auto,24px 24px;
  background-attachment:fixed;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
h1,h2,h3,h4{margin:0;line-height:1.3;letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,select{font:inherit;color:inherit}
::selection{background:rgba(43,217,255,.28);color:#fff}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:var(--bg-0)}
::-webkit-scrollbar-thumb{background:#1B2A4C;border-radius:8px;border:2px solid var(--bg-0)}
::-webkit-scrollbar-thumb:hover{background:#2A3F6E}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ============ header ============ */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(7,11,24,.72);
  border-bottom:1px solid transparent;
  transition:background .22s ease,border-color .22s ease,box-shadow .22s ease;
  backdrop-filter:blur(12px) saturate(130%);
}
.site-header.is-stuck{
  background:rgba(7,11,24,.9);
  border-bottom:1px solid rgba(43,217,255,.28);
  box-shadow:0 10px 34px -22px rgba(43,217,255,.8);
  backdrop-filter:blur(18px) saturate(150%);
}
.brand-row{display:flex;align-items:center;gap:18px;padding:12px 24px;min-height:62px;transition:min-height .22s ease}
.is-stuck .brand-row{min-height:54px}
.logo{display:flex;align-items:center;gap:11px;flex-shrink:0}
.logo-mark{
  width:38px;height:38px;flex-shrink:0;border-radius:11px;
  background:linear-gradient(140deg,var(--primary),var(--primary-2));
  display:grid;place-items:center;color:#04101d;font-weight:800;font-size:15px;
  clip-path:polygon(0 0,100% 0,100% 72%,72% 100%,0 100%);
  box-shadow:0 8px 22px -12px rgba(43,217,255,.9);
}
.logo-text{display:flex;flex-direction:column;line-height:1.2}
.logo-name{font-size:15.5px;font-weight:800;letter-spacing:-.01em}
.logo-sub{font-size:11px;color:var(--text-3);letter-spacing:.08em}
.search-pill{
  display:flex;align-items:center;gap:8px;flex:1;max-width:400px;
  background:var(--bg-2);border:1px solid var(--line);border-radius:999px;
  padding:0 14px;height:40px;transition:border-color .22s ease,box-shadow .22s ease;
}
.search-pill:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(43,217,255,.14)}
.search-pill svg{flex-shrink:0;color:var(--text-3)}
.search-pill input{flex:1;min-width:0;border:0;background:transparent;outline:none;font-size:13.5px;color:var(--text-1)}
.search-pill input::placeholder{color:var(--text-3)}
.header-tools{display:flex;align-items:center;gap:12px;margin-left:auto}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:12px;font-weight:700;letter-spacing:.01em;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease,color .22s ease;
  cursor:pointer;text-align:center;
}
.btn-primary{
  background:linear-gradient(100deg,var(--primary),var(--primary-2));
  color:#061021;padding:12px 22px;font-size:14.5px;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.4),0 10px 30px -14px rgba(43,217,255,.85);
}
.btn-primary:hover{filter:brightness(1.08);box-shadow:inset 0 1px 0 rgba(255,255,255,.5),0 16px 42px -14px rgba(43,217,255,.95);transform:translateY(-2px)}
.btn-primary:active{transform:translateY(0);box-shadow:inset 0 1px 0 rgba(255,255,255,.3),0 6px 18px -12px rgba(43,217,255,.8)}
.btn-ghost{
  background:transparent;border:1px solid var(--line-strong);color:var(--text-1);
  padding:11px 20px;font-size:14.5px;
}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);box-shadow:0 0 0 4px rgba(43,217,255,.09);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{padding:8px 16px;font-size:13px;border-radius:10px}
.channel-row{display:flex;align-items:center;gap:20px;padding:0 24px 10px}
.channel-nav{display:flex;align-items:center;gap:4px;flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none}
.channel-nav::-webkit-scrollbar{display:none}
.channel-nav a{
  position:relative;font-size:13.5px;color:var(--text-2);padding:7px 12px;border-radius:9px;
  white-space:nowrap;transition:color .22s ease,background .22s ease;
}
.channel-nav a:hover{color:var(--text-1);background:rgba(255,255,255,.05)}
.channel-nav a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:0;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--primary),var(--primary-2));opacity:0;transition:opacity .22s ease;
}
.channel-nav a.is-active{color:var(--primary)}
.channel-nav a.is-active::after{opacity:1;box-shadow:0 0 12px rgba(43,217,255,.9)}
.trend-chip{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;color:var(--text-2);
  border:1px solid var(--line);border-radius:999px;padding:4px 10px;white-space:nowrap;transition:.22s ease;
}
.trend-chip:hover{color:var(--primary);border-color:var(--line-strong);background:rgba(43,217,255,.06)}
.trend-chip b{color:var(--accent);font-size:11px;font-weight:700}
.nav-toggle{display:none;width:38px;height:38px;border:1px solid var(--line);border-radius:10px;place-items:center;color:var(--text-2)}
.nav-toggle:hover{color:var(--primary);border-color:var(--line-strong)}
/* drawer */
.drawer-mask{
  position:fixed;inset:0;background:rgba(4,7,16,.7);backdrop-filter:blur(4px);
  opacity:0;pointer-events:none;transition:opacity .26s ease;z-index:200;
}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:84%;max-width:340px;z-index:210;
  background:linear-gradient(180deg,#0A1226,#070B18);
  border-left:1px solid var(--line);
  transform:translateX(102%);transition:transform .3s cubic-bezier(.4,0,.2,1);
  padding:20px;overflow-y:auto;
}
body.drawer-open .drawer{transform:translateX(0)}
body.drawer-open .drawer-mask{opacity:1;pointer-events:auto}
body.drawer-open{overflow:hidden}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-close{width:36px;height:36px;border:1px solid var(--line);border-radius:10px;display:grid;place-items:center;color:var(--text-2)}
.drawer-close:hover{color:var(--primary);border-color:var(--line-strong)}
.drawer-group-title{font-size:11px;letter-spacing:.14em;color:var(--text-3);margin:18px 0 8px;text-transform:uppercase}
.drawer-nav a{display:block;padding:11px 12px;border-radius:10px;font-size:14px;color:var(--text-2);border:1px solid transparent;transition:.22s ease}
.drawer-nav a:hover,.drawer-nav a.is-active{color:var(--primary);background:rgba(43,217,255,.07);border-color:var(--line)}
.drawer .btn-primary{width:100%;margin-top:18px}

/* ============ 通用板块 ============ */
main{display:block}
.section{padding:72px 0;position:relative}
.section--alt{background:linear-gradient(180deg,rgba(11,17,36,.72),rgba(7,11,24,.28));border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{margin-bottom:32px;max-width:760px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.14em;
  color:var(--primary);border:1px solid var(--line-strong);border-radius:999px;
  padding:5px 12px;background:rgba(43,217,255,.07);margin-bottom:14px;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 10px var(--accent)}
h2.sec-title{font-size:28px;margin-bottom:12px}
.sec-sub{color:var(--text-2);font-size:15px}
.tag{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;color:var(--text-2);
  border:1px solid var(--line);border-radius:999px;padding:4px 10px;background:rgba(255,255,255,.03);
}
.tag--accent{color:var(--primary);border-color:rgba(255,77,157,.45);background:rgba(255,77,157,.08)}
.tag--ok{color:var(--ok);border-color:rgba(91,240,192,.35);background:rgba(91,240,192,.07)}

/* ============ 分类页头 ============ */
.page-head{
  padding:48px 0 40px;
  border-bottom:1px solid var(--line);
  background:
    radial-gradient(circle at 18% 12%,rgba(43,217,255,.13),transparent 52%),
    radial-gradient(circle at 82% 88%,rgba(255,77,157,.08),transparent 55%);
}
.crumb{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--text-3);margin-bottom:18px;flex-wrap:wrap}
.crumb a:hover{color:var(--primary)}
.crumb span.sep{opacity:.5}
.page-head-grid{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:32px;align-items:end}
.page-head h1{font-size:34px;margin-bottom:14px}
.page-head h1 em{font-style:normal;color:var(--primary)}
.page-lead{color:var(--text-2);font-size:15.5px;max-width:640px}
.page-lead + .page-lead{margin-top:8px}
.head-badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.head-panel{
  background:linear-gradient(160deg,rgba(43,217,255,.10),rgba(255,255,255,.03) 46%,rgba(255,77,157,.06));
  border:1px solid var(--line);border-radius:var(--radius-m);
  padding:18px 20px;backdrop-filter:blur(14px) saturate(140%);
}
.head-panel h3{font-size:13px;color:var(--text-3);letter-spacing:.1em;font-weight:600;margin-bottom:14px}
.mini-stat{display:flex;align-items:baseline;justify-content:space-between;gap:10px;padding:9px 0;border-bottom:1px dashed rgba(138,196,255,.14)}
.mini-stat:last-child{border-bottom:0}
.mini-stat .k{font-size:13px;color:var(--text-2)}
.mini-stat .v{font-size:20px;font-weight:700;font-variant-numeric:tabular-nums;color:var(--primary)}

/* ============ 目录 + 长列表 ============ */
.doc-layout{display:grid;grid-template-columns:246px minmax(0,1fr);gap:36px;align-items:start}
.toc{
  position:sticky;top:104px;
  background:linear-gradient(160deg,rgba(43,217,255,.09),rgba(255,255,255,.028) 52%,rgba(124,107,255,.07));
  border:1px solid var(--line);border-radius:var(--radius-m);
  padding:18px 16px;backdrop-filter:blur(14px) saturate(140%);
}
.toc-title{font-size:12px;letter-spacing:.14em;color:var(--text-3);margin-bottom:12px}
.toc ol{display:flex;flex-direction:column;gap:2px;counter-reset:toc}
.toc ol li a{
  display:flex;gap:10px;align-items:flex-start;padding:8px 10px;border-radius:9px;
  font-size:13.5px;color:var(--text-2);border-left:2px solid transparent;transition:.22s ease;
}
.toc ol li a:hover{color:var(--text-1);background:rgba(255,255,255,.05)}
.toc ol li a.is-current{color:var(--primary);border-left-color:var(--primary);background:rgba(43,217,255,.08)}
.toc ol li a .n{font-size:11px;font-variant-numeric:tabular-nums;color:var(--accent);font-weight:700;padding-top:2px}
.toc-note{margin-top:14px;padding-top:14px;border-top:1px dashed rgba(138,196,255,.14);font-size:12px;color:var(--text-3);line-height:1.7}

.doc-list{display:flex;flex-direction:column;gap:18px}
.doc-item{
  display:grid;grid-template-columns:200px minmax(0,1fr);gap:22px;
  background:linear-gradient(160deg,rgba(43,217,255,.08),rgba(255,255,255,.028) 48%,rgba(255,77,157,.05));
  border:1px solid var(--line);border-radius:var(--radius-m);
  padding:18px;backdrop-filter:blur(14px) saturate(140%);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
  scroll-margin-top:110px;
}
.doc-item:hover{transform:translateY(-3px);border-color:var(--line-strong);box-shadow:var(--shadow-glow)}
.doc-thumb{position:relative;border-radius:12px;overflow:hidden;border:1px solid var(--line);background:var(--bg-2)}
.doc-thumb img{width:100%;height:100%;min-height:132px;object-fit:cover;transition:transform .3s ease}
.doc-item:hover .doc-thumb img{transform:scale(1.04)}
.doc-thumb .cap{
  position:absolute;left:0;right:0;bottom:0;padding:6px 9px;font-size:11px;color:#DCE9FA;
  background:linear-gradient(180deg,transparent,rgba(4,8,18,.86));
}
.doc-body h3{font-size:18.5px;margin-bottom:8px;display:flex;align-items:center;gap:9px;flex-wrap:wrap}
.doc-body h3 .idx{
  font-size:11px;font-weight:700;color:var(--primary);border:1px solid rgba(255,77,157,.45);
  background:rgba(255,77,157,.1);border-radius:999px;padding:2px 8px;letter-spacing:.04em;
}
.doc-body p{color:var(--text-2);font-size:14.5px}
.doc-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-top:12px}
.doc-meta .time{font-size:12px;color:var(--text-3);font-variant-numeric:tabular-nums}

/* ============ 合规提示条 ============ */
.notice-bar{
  margin:0 auto;max-width:1000px;
  display:flex;gap:16px;align-items:flex-start;
  background:linear-gradient(100deg,rgba(43,217,255,.1),rgba(124,107,255,.08) 60%,rgba(255,77,157,.07));
  border:1px solid var(--line-strong);border-radius:var(--radius-m);
  padding:18px 22px;backdrop-filter:blur(14px) saturate(140%);
}
.notice-icon{
  width:40px;height:40px;flex-shrink:0;border-radius:12px;display:grid;place-items:center;
  background:rgba(43,217,255,.14);border:1px solid var(--line-strong);color:var(--primary);
}
.notice-bar h3{font-size:15.5px;margin-bottom:6px}
.notice-bar p{font-size:13.5px;color:var(--text-2)}

/* ============ FAQ ============ */
.faq-wrap{display:grid;grid-template-columns:minmax(0,320px) minmax(0,1fr);gap:32px;align-items:start}
.faq-list{display:flex;flex-direction:column;gap:10px}
.faq-item{
  background:rgba(255,255,255,.04);border:1px solid var(--line);border-radius:14px;
  overflow:hidden;transition:border-color .22s ease,background .22s ease;
}
.faq-item.is-open{border-color:var(--line-strong);background:rgba(43,217,255,.06)}
.faq-q{
  width:100%;display:flex;align-items:center;gap:12px;justify-content:space-between;
  padding:15px 18px;text-align:left;font-size:14.8px;font-weight:600;color:var(--text-1);
}
.faq-q:hover{color:var(--primary)}
.faq-item.is-open .faq-q{color:var(--primary)}
.faq-q .ico{
  width:22px;height:22px;flex-shrink:0;border-radius:50%;border:1px solid var(--line-strong);
  display:grid;place-items:center;font-size:13px;color:var(--text-2);transition:transform .24s ease,color .24s ease;
}
.faq-item.is-open .faq-q .ico{transform:rotate(45deg);color:var(--primary);border-color:var(--primary)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease}
.faq-a-inner{padding:0 18px 16px;font-size:14px;color:var(--text-2);border-left:2px solid transparent;margin-left:18px;padding-left:14px}
.faq-item.is-open .faq-a-inner{border-left-color:rgba(43,217,255,.7)}

/* ============ 相关文章 ============ */
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.post-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:linear-gradient(160deg,rgba(43,217,255,.08),rgba(255,255,255,.028) 48%,rgba(124,107,255,.06));
  border:1px solid var(--line);border-radius:var(--radius-m);
  backdrop-filter:blur(14px) saturate(140%);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.post-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-glow)}
.post-thumb{aspect-ratio:16/10;overflow:hidden;background:var(--bg-2);border-bottom:1px solid var(--line)}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.post-card:hover .post-thumb img{transform:scale(1.03)}
.post-body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:9px;flex:1}
.post-body h3{font-size:16px;line-height:1.5}
.post-body p{font-size:13.5px;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:auto;padding-top:8px}
.post-foot .time{font-size:12px;color:var(--text-3);font-variant-numeric:tabular-nums}
.empty-state{
  text-align:center;padding:44px 20px;border:1px dashed var(--line-strong);border-radius:var(--radius-m);
  background:rgba(255,255,255,.025);color:var(--text-2);
}
.empty-state .ico{width:40px;height:40px;margin:0 auto 12px;border-radius:12px;display:grid;place-items:center;background:rgba(43,217,255,.1);border:1px solid var(--line);color:var(--primary)}
.empty-state p{font-size:13.5px;color:var(--text-3);margin-top:6px}
.list-more{display:flex;justify-content:center;margin-top:28px}

/* ============ 分类入口 ============ */
.channel-lines{display:flex;flex-direction:column;gap:14px;margin-top:8px}
.channel-line{
  display:flex;align-items:center;gap:18px;
  padding:18px 22px;border:1px solid var(--line);border-radius:var(--radius-m);
  background:linear-gradient(100deg,rgba(43,217,255,.07),rgba(255,255,255,.025) 55%,rgba(255,77,157,.05));
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease,background .22s ease;
}
.channel-line:hover{transform:translateX(6px);border-color:var(--line-strong);box-shadow:var(--shadow-glow)}
.channel-line .num{
  font-size:12px;font-weight:700;color:var(--accent);border:1px solid rgba(255,77,157,.4);
  border-radius:999px;padding:3px 9px;flex-shrink:0;letter-spacing:.06em;
}
.channel-line .txt{min-width:0}
.channel-line h3{font-size:16.5px;margin-bottom:3px}
.channel-line p{font-size:13.5px;color:var(--text-2)}
.channel-line .arrow{margin-left:auto;color:var(--primary);flex-shrink:0;transition:transform .22s ease}
.channel-line:hover .arrow{transform:translateX(4px)}

/* ============ CTA ============ */
.cta-wrap{
  margin:0 auto;max-width:1100px;
  border:1px solid var(--line-strong);border-radius:var(--radius-l);
  background:
    radial-gradient(circle at 12% 20%,rgba(43,217,255,.18),transparent 55%),
    radial-gradient(circle at 88% 80%,rgba(124,107,255,.18),transparent 58%),
    linear-gradient(160deg,rgba(255,255,255,.05),rgba(255,255,255,.015));
  padding:40px;display:flex;align-items:center;gap:32px;justify-content:space-between;flex-wrap:wrap;
  backdrop-filter:blur(16px) saturate(140%);
}
.cta-wrap h2{font-size:26px;margin-bottom:8px}
.cta-wrap p{color:var(--text-2);font-size:14.5px;max-width:520px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ============ footer ============ */
.site-footer{border-top:1px solid var(--line);background:linear-gradient(180deg,rgba(11,17,36,.9),rgba(7,11,24,1));padding:56px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr repeat(4,1fr);gap:32px;padding-bottom:36px}
.footer-brand p{color:var(--text-3);font-size:13.5px;margin-top:14px;max-width:340px;line-height:1.8}
.footer-col h4{font-size:13.5px;color:var(--text-1);margin-bottom:14px;letter-spacing:.02em}
.footer-col a,.footer-col span{display:block;font-size:13.5px;color:var(--text-3);margin-bottom:10px;transition:color .22s ease}
.footer-col a:hover{color:var(--primary)}
.footer-bottom{border-top:1px solid var(--line);padding:18px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12.5px;color:var(--text-3)}
.footer-bottom .links{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.footer-bottom a:hover{color:var(--primary)}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .page-head h1{font-size:31px}
  .doc-layout{grid-template-columns:216px minmax(0,1fr);gap:26px}
  .doc-item{grid-template-columns:172px minmax(0,1fr);gap:18px}
}
@media (max-width:1023px){
  .section{padding:56px 0}
  .page-head-grid{grid-template-columns:minmax(0,1fr);gap:22px}
  .doc-layout{grid-template-columns:minmax(0,1fr);gap:22px}
  .toc{position:relative;top:0}
  .toc ol{flex-direction:row;flex-wrap:wrap;gap:6px}
  .toc ol li a{border-left:0;border:1px solid var(--line);border-radius:999px;padding:6px 12px;font-size:12.5px}
  .toc ol li a .n{display:none}
  .toc ol li a.is-current{border-color:var(--primary);background:rgba(43,217,255,.1)}
  .toc-note{display:none}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .faq-wrap{grid-template-columns:minmax(0,1fr);gap:20px}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:26px}
  .footer-brand{grid-column:1 / -1}
  .search-pill{max-width:280px}
  .trend-chip{display:none}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .section{padding:44px 0}
  h2.sec-title{font-size:22px}
  .page-head{padding:36px 0 30px}
  .page-head h1{font-size:26px}
  .brand-row{padding:10px 20px;gap:10px;min-height:58px}
  .search-pill{display:none}
  .header-tools .btn-primary{display:none}
  .nav-toggle{display:grid}
  .channel-row{padding:0 20px 8px;gap:10px}
  .channel-nav a{font-size:13px;padding:6px 10px}
  .doc-item{grid-template-columns:minmax(0,1fr);gap:14px;padding:16px}
  .doc-thumb img{min-height:150px}
  .card-grid{grid-template-columns:minmax(0,1fr)}
  .notice-bar{flex-direction:column;gap:10px;padding:16px 18px}
  .cta-wrap{padding:26px 20px;border-radius:var(--radius-m)}
  .cta-wrap h2{font-size:21px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1}
  .footer-grid{grid-template-columns:1fr;gap:22px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px}
  .channel-line{padding:14px 16px;gap:12px}
  .channel-line p{font-size:13px}
}
@media (max-width:480px){
  .page-head h1{font-size:23px}
  .doc-body h3{font-size:16.5px}
  .faq-q{font-size:14px;padding:13px 14px}
  .faq-a-inner{margin-left:14px;padding-left:12px}
}