/* roulang page: index */
:root{
  --bg:#070910;
  --bg-2:#0B1220;
  --bg-3:#0E1526;
  --primary:#1FA8FF;
  --accent:#FF3E7F;
  --mint:#35E0B0;
  --amber:#FFB020;
  --danger:#FF5A5A;
  --text:#E8EEF9;
  --text-2:#9FB0C8;
  --text-3:#6B7C96;
  --glass:rgba(255,255,255,.055);
  --glass-bd:rgba(255,255,255,.10);
  --card-r:20px;
  --nav-r:18px;
  --btn-r:12px;
  --img-r:16px;
  --shadow:0 12px 32px rgba(0,0,0,.35);
  --shadow-h:0 18px 48px rgba(0,0,0,.5);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:110px;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:var(--text-2);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--primary)}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p,figure{margin:0}
h1{font-size:clamp(30px,4.4vw,56px);line-height:1.15;font-weight:700;letter-spacing:-.5px}
h2{font-size:clamp(24px,2.6vw,34px);line-height:1.25;font-weight:700;letter-spacing:-.3px}
h3{font-size:18px;line-height:1.5;font-weight:600;letter-spacing:-.2px}
:focus-visible{outline:2px solid rgba(31,168,255,.6);outline-offset:3px;border-radius:6px}

.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:768px){.wrap{padding:0 32px}}

.sec{padding:56px 0;position:relative}
@media (min-width:768px){.sec{padding:72px 0}}
@media (min-width:1024px){.sec{padding:96px 0}}
.sec--alt{background:var(--bg-2)}
.sec--line{border-top:1px solid rgba(255,255,255,.06)}
.sec-glow::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(600px 320px at 15% 0%,rgba(31,168,255,.08),transparent 70%);
}

.glass{
  background:var(--glass);
  border:1px solid var(--glass-bd);
  border-radius:var(--card-r);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  backdrop-filter:blur(14px) saturate(120%);
  box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.06);
}
@media (max-width:767px){
  .glass{-webkit-backdrop-filter:blur(8px) saturate(120%);backdrop-filter:blur(8px) saturate(120%)}
}

.card{transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease)}
@media (min-width:1024px){
  .card:hover{transform:translateY(-4px);border-color:rgba(31,168,255,.35);box-shadow:var(--shadow-h)}
}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--btn-r);font-weight:600;line-height:1.2;white-space:nowrap;transition:all .22s var(--ease);border:1px solid transparent}
.btn-sm{padding:8px 14px;font-size:14px}
.btn-md{padding:12px 22px;font-size:15px}
.btn-lg{padding:14px 28px;font-size:16px}
.btn-primary{background:var(--primary);color:#04121F;box-shadow:0 8px 28px rgba(31,168,255,.42)}
.btn-primary:hover{background:#3BB6FF;color:#04121F;box-shadow:0 10px 40px rgba(31,168,255,.58)}
.btn-primary:active{transform:translateY(1px)}
.btn-primary:focus-visible{outline:2px solid rgba(31,168,255,.55);outline-offset:3px}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.18);color:var(--text)}
.btn-ghost:hover{border-color:var(--accent);color:var(--text);box-shadow:0 0 22px rgba(255,62,127,.25)}
.btn-ghost:active{transform:translateY(1px)}
.btn-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--text-2);border-bottom:1px solid transparent;padding-bottom:2px;border-radius:0}
.btn-link:hover{color:var(--primary);border-bottom-color:var(--primary)}
.btn[disabled],.btn.is-disabled{opacity:.45;box-shadow:none;cursor:not-allowed}

.badge{display:inline-flex;align-items:center;gap:6px;border-radius:999px;font-size:12px;line-height:1.6;padding:4px 10px;border:1px solid transparent}
.badge-primary{background:rgba(31,168,255,.12);color:var(--primary);border-color:rgba(31,168,255,.25)}
.badge-mint{background:rgba(53,224,176,.12);color:var(--mint);border-color:rgba(53,224,176,.25)}
.badge-amber{background:rgba(255,176,32,.12);color:var(--amber);border-color:rgba(255,176,32,.25)}
.badge-magenta{background:rgba(255,62,127,.12);color:var(--accent);border-color:rgba(255,62,127,.25)}

.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--primary);font-weight:600}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--primary);opacity:.7}

.lead{font-size:16px;line-height:1.9;color:var(--text-2);max-width:68ch}
.muted{color:var(--text-3);font-size:13px}
.num{font-variant-numeric:tabular-nums}

/* ===== Navigation ===== */
.site-header{position:sticky;top:0;z-index:60;padding:16px 0 0;transition:padding .2s var(--ease)}
.nav-shell{max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:768px){.nav-shell{padding:0 32px}}
.nav-bar{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  height:64px;padding:0 18px;border-radius:var(--nav-r);
  background:rgba(11,18,32,.62);
  border:1px solid var(--glass-bd);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  backdrop-filter:blur(14px) saturate(120%);
  box-shadow:0 10px 30px rgba(0,0,0,.28),inset 0 1px 0 rgba(255,255,255,.06);
  transition:background .2s var(--ease),box-shadow .2s var(--ease);
}
.site-header.is-stuck{padding-top:8px}
.site-header.is-stuck .nav-bar{background:rgba(7,9,16,.88);box-shadow:0 14px 38px rgba(0,0,0,.5)}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--text);font-weight:700;font-size:15.5px;white-space:nowrap}
.brand:hover{color:var(--text)}
.brand-mark{
  width:32px;height:32px;border-radius:10px;flex:none;
  background:linear-gradient(135deg,rgba(31,168,255,.9),rgba(255,62,127,.85));
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:0 6px 18px rgba(31,168,255,.35);
}
.brand-mark svg{width:17px;height:17px;stroke:#04121F;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.brand-sub{color:var(--text-3);font-weight:500;font-size:12px;letter-spacing:.02em}
.nav-links{display:flex;align-items:center;gap:2px}
.nav-link{display:inline-flex;align-items:center;gap:7px;padding:9px 13px;border-radius:10px;font-size:14.5px;color:var(--text-2);transition:all .2s var(--ease)}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.05)}
.nav-link .dot{width:5px;height:5px;border-radius:50%;background:transparent;transition:background .2s var(--ease),box-shadow .2s var(--ease)}
.nav-link.is-active{color:var(--text);font-weight:600}
.nav-link.is-active .dot{background:var(--primary);box-shadow:0 0 8px var(--primary)}
.nav-actions{display:flex;align-items:center;gap:10px}
.nav-toggle{display:none;width:44px;height:44px;border-radius:12px;border:1px solid rgba(255,255,255,.14);align-items:center;justify-content:center}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text);border-radius:2px}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
@media (max-width:1023px){
  .nav-links{display:none}
  .nav-toggle{display:inline-flex}
  .nav-actions .btn-primary{display:none}
}
.mobile-drawer{position:fixed;inset:0;z-index:90;display:none;padding:16px;background:rgba(7,9,16,.72);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}
.mobile-drawer.is-open{display:block}
.drawer-panel{background:rgba(11,18,32,.96);border:1px solid var(--glass-bd);border-radius:var(--card-r);padding:18px;box-shadow:0 20px 60px rgba(0,0,0,.6)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.drawer-close{width:44px;height:44px;border-radius:12px;border:1px solid rgba(255,255,255,.14);display:inline-flex;align-items:center;justify-content:center;font-size:18px;color:var(--text-2)}
.drawer-link{display:flex;align-items:center;justify-content:space-between;min-height:44px;padding:10px 12px;border-radius:12px;color:var(--text);font-size:15px;border-bottom:1px solid rgba(255,255,255,.06)}
.drawer-link:last-of-type{border-bottom:0}
.drawer-link.is-active{color:var(--primary)}

/* ===== Hero Bento ===== */
.hero{position:relative;padding:32px 0 56px;overflow:hidden}
@media (min-width:768px){.hero{padding:40px 0 72px}}
@media (min-width:1024px){.hero{padding:48px 0 96px}}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(720px 400px at 12% -10%,rgba(31,168,255,.14),transparent 68%),
    radial-gradient(560px 340px at 92% 8%,rgba(255,62,127,.09),transparent 70%);
}
.hero-bento{position:relative;display:grid;gap:18px}
@media (min-width:1024px){
  .hero-bento{grid-template-columns:7fr 5fr;grid-template-areas:"main side" "bar bar";gap:20px}
}
.bento-main{grid-area:main;padding:28px}
@media (min-width:768px){.bento-main{padding:38px}}
.bento-main h1{margin:14px 0 16px}
.hero-lead{color:var(--text-2);font-size:15.5px;line-height:1.95;max-width:62ch}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;padding-top:22px;border-top:1px solid rgba(255,255,255,.08)}
.chip{display:inline-flex;align-items:center;gap:7px;font-size:12.5px;color:var(--text-2);background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.09);border-radius:999px;padding:6px 12px}
.chip i{width:6px;height:6px;border-radius:50%;background:var(--mint);display:inline-block}
.bento-side{grid-area:side;display:grid;gap:18px}
@media (min-width:768px) and (max-width:1023px){.bento-side{grid-template-columns:1fr 1fr}}
.bento-card{padding:18px}
.bento-thumb{border-radius:var(--img-r);overflow:hidden;aspect-ratio:16/10;background:var(--bg-3);position:relative}
.bento-thumb img{width:100%;height:100%;object-fit:cover}
.bento-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,9,16,0) 40%,rgba(7,9,16,.55));pointer-events:none}
.bento-mini-title{font-size:13px;color:var(--text-3);margin-top:14px;letter-spacing:.04em}
.bento-mini-value{font-size:20px;font-weight:700;color:var(--text);margin-top:4px}
.bento-list{margin-top:6px;display:grid;gap:10px}
.bento-list li{display:flex;gap:9px;font-size:13.5px;color:var(--text-2);line-height:1.7}
.bento-list li::before{content:"";flex:none;width:6px;height:6px;border-radius:2px;background:var(--primary);margin-top:8px}
.hero-bar{
  grid-area:bar;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  padding:18px 22px;border-radius:var(--card-r);
  background:linear-gradient(90deg,rgba(31,168,255,.12),rgba(255,62,127,.07));
  border:1px solid rgba(31,168,255,.22);
}
.hero-bar p{font-size:14.5px;color:var(--text-2)}
.hero-bar strong{color:var(--text)}

/* ===== Metrics ===== */
.metric-grid{display:grid;gap:16px;grid-template-columns:repeat(2,minmax(0,1fr))}
@media (min-width:1024px){.metric-grid{grid-template-columns:repeat(4,minmax(0,1fr))}}
.metric{padding:22px;position:relative;overflow:hidden}
.metric::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.25;
  background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:22px 22px;
  -webkit-mask-image:radial-gradient(120px 90px at 90% 10%,#000,transparent);
  mask-image:radial-gradient(120px 90px at 90% 10%,#000,transparent);
}
.metric-num{font-size:clamp(26px,3vw,34px);font-weight:700;line-height:1.1;color:var(--primary);transition:color .2s var(--ease);font-variant-numeric:tabular-nums}
.metric.mint .metric-num{color:var(--mint)}
.metric.magenta .metric-num{color:var(--accent)}
.metric:hover .metric-num{filter:brightness(1.18)}
.metric-label{margin-top:8px;font-size:13px;color:var(--text-3)}

/* ===== Section header ===== */
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:36px}
.sec-head p{max-width:60ch;color:var(--text-2);font-size:15px;margin-top:10px}
@media (max-width:767px){.sec-head{margin-bottom:26px}}

/* ===== Cards matrix ===== */
.matrix-grid{display:grid;gap:20px;grid-template-columns:1fr}
@media (min-width:768px){.matrix-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.matrix-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
.matrix-card{padding:24px;display:flex;flex-direction:column}
.matrix-icon{width:44px;height:44px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;background:rgba(31,168,255,.12);border:1px solid rgba(31,168,255,.28);margin-bottom:16px}
.matrix-icon svg{width:20px;height:20px;stroke:var(--primary);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.matrix-card h3{margin-bottom:10px}
.matrix-card p{font-size:14.5px;color:var(--text-2);line-height:1.85}
.matrix-points{margin:16px 0 20px;display:grid;gap:9px}
.matrix-points li{display:flex;gap:9px;font-size:13.5px;color:var(--text-2)}
.matrix-points li::before{content:"";flex:none;width:6px;height:6px;border-radius:2px;background:var(--mint);margin-top:8px}
.matrix-card .btn-link{margin-top:auto}
.matrix-entry{grid-column:1/-1;padding:22px 24px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;background:linear-gradient(90deg,rgba(255,62,127,.10),rgba(31,168,255,.08));border-color:rgba(255,62,127,.22)}
.matrix-entry p{font-size:14px;color:var(--text-2)}

/* ===== Compare ===== */
.compare-grid{display:grid;gap:20px;position:relative}
@media (min-width:900px){.compare-grid{grid-template-columns:1fr 1fr;gap:28px}}
.compare-panel{padding:26px}
.panel-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px}
.row-line{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:11px 0;border-bottom:1px solid rgba(255,255,255,.07);font-size:14px}
.row-line:last-child{border-bottom:0}
.row-line .k{color:var(--text-3);flex:none;min-width:84px}
.row-line .v{color:var(--text);text-align:right;font-variant-numeric:tabular-nums}
.ok{color:var(--mint)}
.warn{color:var(--amber)}

/* ===== Steps ===== */
.steps{display:grid;gap:18px;position:relative}
@media (min-width:1024px){.steps{grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}}
.step{position:relative;padding:22px;border-radius:var(--card-r);background:rgba(255,255,255,.04);border:1px solid var(--glass-bd);transition:border-color .22s var(--ease),transform .22s var(--ease)}
@media (min-width:1024px){.step:hover{transform:translateY(-4px);border-color:rgba(31,168,255,.35)}}
.step-num{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:10px;background:rgba(31,168,255,.14);border:1px solid rgba(31,168,255,.3);color:var(--primary);font-weight:700;font-size:14px;font-variant-numeric:tabular-nums}
.step h3{font-size:16.5px;margin:14px 0 8px}
.step p{font-size:13.8px;color:var(--text-2);line-height:1.8}
.step-line{display:none}
@media (min-width:1024px){
  .step-line{display:block;position:absolute;left:0;right:0;top:-10px;height:1px;background:linear-gradient(90deg,transparent,rgba(31,168,255,.5),transparent)}
}

/* ===== Scene cards ===== */
.scene{position:relative;border-radius:var(--card-r);overflow:hidden;border:1px solid var(--glass-bd);min-height:200px;display:flex;align-items:flex-end;padding:22px;isolation:isolate}
.scene img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2;transition:transform .5s var(--ease)}
.scene::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,rgba(7,9,16,.15) 20%,rgba(7,9,16,.9) 92%)}
@media (min-width:1024px){.scene:hover img{transform:scale(1.05)}}
.scene-body{position:relative;width:100%}
.scene h3{margin-bottom:8px}
.scene p{font-size:13.6px;color:var(--text-2);line-height:1.8;max-width:44ch}
.scene--lg{min-height:340px}
.scene-arrow{position:absolute;right:0;bottom:0;width:34px;height:34px;border-radius:50%;border:1px solid rgba(255,255,255,.2);display:inline-flex;align-items:center;justify-content:center;color:var(--text);font-size:14px;transition:all .22s var(--ease)}
.scene:hover .scene-arrow{border-color:var(--primary);color:var(--primary);box-shadow:0 0 18px rgba(31,168,255,.4)}

/* ===== Verify list ===== */
.verify-list{display:grid;gap:0;border-radius:var(--card-r);overflow:hidden;border:1px solid var(--glass-bd)}
.verify-row{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;padding:18px 22px;background:rgba(255,255,255,.035);border-bottom:1px solid rgba(255,255,255,.07);transition:background .2s var(--ease)}
.verify-row:last-child{border-bottom:0}
.verify-row:hover{background:rgba(255,255,255,.075)}
.verify-row .vt{font-weight:600;font-size:15px}
.verify-row .vd{font-size:13.4px;color:var(--text-3);flex:1 1 240px}

/* ===== Stuck cards ===== */
.stuck-card{position:relative;padding:22px 22px 22px 26px;border-radius:var(--card-r);background:rgba(255,255,255,.04);border:1px solid var(--glass-bd);overflow:hidden}
.stuck-card::before{content:"";position:absolute;left:0;top:16px;bottom:16px;width:3px;border-radius:3px;background:linear-gradient(180deg,var(--primary),rgba(31,168,255,.15))}
.stuck-card h3{font-size:16px;margin-bottom:8px}
.stuck-card p{font-size:13.8px;color:var(--text-2);line-height:1.85}

/* ===== Timeline ===== */
.timeline{position:relative;display:grid;gap:22px;padding-left:26px}
.timeline::before{content:"";position:absolute;left:7px;top:6px;bottom:6px;width:1px;background:linear-gradient(180deg,rgba(31,168,255,.7),rgba(31,168,255,0))}
.tl-item{position:relative}
.tl-item::before{content:"";position:absolute;left:-24px;top:8px;width:9px;height:9px;border-radius:50%;background:var(--primary);box-shadow:0 0 12px rgba(31,168,255,.8)}
.tl-item h3{font-size:16px;margin-bottom:6px}
.tl-item p{font-size:13.8px;color:var(--text-2);line-height:1.85}
.tl-tag{font-size:12px;color:var(--primary);letter-spacing:.08em}

/* ===== Guarantee ===== */
.guard-grid{display:grid;gap:18px;grid-template-columns:1fr}
@media (min-width:640px){.guard-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.guard-grid{grid-template-columns:repeat(4,minmax(0,1fr))}}
.guard-card{padding:22px;border-radius:var(--card-r);background:rgba(255,255,255,.04);border:1px solid var(--glass-bd);height:100%;transition:border-color .22s var(--ease),transform .22s var(--ease)}
@media (min-width:1024px){.guard-card:hover{transform:translateY(-4px);border-color:rgba(31,168,255,.35)}}
.guard-icon{width:38px;height:38px;border-radius:11px;display:inline-flex;align-items:center;justify-content:center;border:1px solid rgba(255,255,255,.16);margin-bottom:14px}
.guard-icon svg{width:18px;height:18px;stroke:var(--mint);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.guard-card h3{font-size:15.5px;margin-bottom:8px}
.guard-card p{font-size:13.5px;color:var(--text-2);line-height:1.8}

/* ===== Tags ===== */
.tag-cloud{display:flex;flex-wrap:wrap;gap:12px}
.tag{display:inline-flex;align-items:center;padding:9px 16px;border-radius:999px;border:1px solid rgba(31,168,255,.28);color:var(--text-2);font-size:13.5px;background:rgba(31,168,255,.05);transition:all .22s var(--ease)}
.tag:hover{color:#fff;border-color:rgba(255,62,127,.6);background:rgba(255,62,127,.14);box-shadow:0 0 20px rgba(255,62,127,.25)}

/* ===== News ===== */
.news-card{padding:0;overflow:hidden;display:flex}
.news-link{display:flex;flex-direction:column;width:100%;height:100%;color:inherit}
.news-link:hover{color:inherit}
.news-thumb{aspect-ratio:16/9;background:var(--bg-3);overflow:hidden;position:relative}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s var(--ease)}
.news-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 55%,rgba(7,9,16,.45))}
.news-card:hover .news-thumb img{transform:scale(1.05)}
.news-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1}
.news-title{font-size:16.5px;line-height:1.6;margin:10px 0 8px;color:var(--text);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-desc{font-size:13.6px;color:var(--text-2);line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:14px}
.news-meta{display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--text-3);margin-top:auto;padding-top:12px;border-top:1px solid rgba(255,255,255,.07)}
.news-arrow{transition:transform .22s var(--ease),color .22s var(--ease);color:var(--primary)}
.news-card:hover .news-arrow{transform:translateX(4px)}
.empty-state{padding:48px 24px;text-align:center;border-radius:var(--card-r);min-height:180px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px}
.empty-icon{width:46px;height:46px;border-radius:14px;border:1px solid rgba(255,255,255,.16);display:inline-flex;align-items:center;justify-content:center}
.empty-icon svg{width:20px;height:20px;stroke:var(--text-3);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}

/* ===== FAQ ===== */
.faq{border-radius:var(--card-r);overflow:hidden;border:1px solid var(--glass-bd);background:rgba(255,255,255,.035)}
.faq-item{border-bottom:1px solid rgba(255,255,255,.07)}
.faq-item:last-child{border-bottom:0}
.faq-q{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;min-height:56px;padding:16px 22px;text-align:left;font-size:15.5px;font-weight:600;color:var(--text);transition:background .2s var(--ease)}
.faq-q:hover{background:rgba(255,255,255,.045)}
.faq-sign{flex:none;width:26px;height:26px;border-radius:50%;border:1px solid rgba(255,255,255,.2);display:inline-flex;align-items:center;justify-content:center;font-size:15px;color:var(--text-2);transition:all .22s var(--ease)}
.faq-item.is-open .faq-sign{border-color:var(--primary);color:var(--primary);box-shadow:0 0 14px rgba(31,168,255,.35)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s var(--ease)}
.faq-item.is-open .faq-a{max-height:340px}
.faq-a p{padding:0 22px 20px;font-size:14.2px;color:var(--text-2);line-height:1.9;max-width:72ch}

/* ===== Form ===== */
.form-card{padding:26px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;color:var(--text-2);margin-bottom:7px}
.field input,.field select,.field textarea{
  width:100%;height:48px;padding:0 14px;border-radius:12px;
  background:var(--bg-2);border:1px solid rgba(255,255,255,.12);
  color:var(--text);font-size:14.5px;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.field textarea{height:auto;min-height:104px;padding:12px 14px;resize:vertical;line-height:1.7}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3)}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(31,168,255,.16);
}
.field select{appearance:none;-webkit-appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--text-3) 50%),linear-gradient(135deg,var(--text-3) 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 14px) 21px;background-size:6px 6px,6px 6px;background-repeat:no-repeat}
.check{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--text-2);line-height:1.7;margin:4px 0 18px}
.check input{width:16px;height:16px;margin-top:4px;accent-color:var(--primary);flex:none}
.form-note{font-size:12.5px;color:var(--text-3);margin-top:12px;line-height:1.7}
.form-msg{display:none;margin-top:14px;padding:12px 14px;border-radius:12px;font-size:13.5px;background:rgba(53,224,176,.1);border:1px solid rgba(53,224,176,.3);color:var(--mint)}
.form-msg.is-show{display:block}
.check-list{display:grid;gap:12px;margin-top:22px}
.check-list li{display:flex;gap:10px;font-size:14.2px;color:var(--text-2);line-height:1.8}
.check-list li::before{content:"";flex:none;width:8px;height:8px;border-radius:3px;background:var(--mint);margin-top:9px;box-shadow:0 0 10px rgba(53,224,176,.5)}

/* ===== Notice bar ===== */
.notice-bar{display:flex;flex-wrap:wrap;gap:14px;align-items:flex-start;padding:18px 22px;border-radius:var(--card-r);background:rgba(255,176,32,.07);border:1px solid rgba(255,176,32,.28)}
.notice-bar svg{width:20px;height:20px;flex:none;stroke:var(--amber);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;margin-top:3px}
.notice-bar p{font-size:13px;color:var(--text-2);line-height:1.8}
.notice-bar strong{color:var(--amber);font-weight:600}

/* ===== Final CTA ===== */
.final-cta{padding:32px;border-radius:var(--card-r);background:linear-gradient(100deg,rgba(31,168,255,.14),rgba(255,62,127,.08));border:1px solid rgba(31,168,255,.24);display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px}
.final-cta h2{font-size:clamp(20px,2.4vw,28px)}
.final-cta p{font-size:14px;color:var(--text-2);margin-top:8px;max-width:56ch}

/* ===== Footer ===== */
.site-footer{border-top:1px solid rgba(255,255,255,.08);background:var(--bg-2);padding:56px 0 0;margin-top:0}
.foot-grid{display:grid;gap:32px;grid-template-columns:1fr}
@media (min-width:768px){.foot-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:28px}}
.foot-title{font-size:13px;letter-spacing:.1em;text-transform:uppercase;color:var(--text-3);margin-bottom:14px}
.foot-links{display:grid;gap:10px}
.foot-links a,.foot-links span{font-size:13.5px;color:var(--text-3);line-height:1.7}
.foot-links a:hover{color:var(--primary)}
.foot-brand p{font-size:13.5px;color:var(--text-3);line-height:1.85;margin-top:12px;max-width:36ch}
.foot-bottom{margin-top:40px;padding:20px 0 26px;border-top:1px solid rgba(255,255,255,.07);display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px}
.foot-bottom p{font-size:12.5px;color:var(--text-3)}
.foot-bottom .age{display:inline-flex;align-items:center;gap:6px;font-size:12px;color:var(--amber);border:1px solid rgba(255,176,32,.3);border-radius:999px;padding:3px 10px;background:rgba(255,176,32,.08)}

/* ===== Reveal animation ===== */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
  .card:hover,.guard-card:hover,.step:hover{transform:none}
}
@media (max-width:767px){
  .card:hover,.guard-card:hover{transform:none}
}

/* roulang page: category1 */
:root{
  --bg:#070910;
  --bg-2:#0B1220;
  --bg-3:#0E1526;
  --primary:#1FA8FF;
  --accent:#FF3E7F;
  --mint:#35E0B0;
  --amber:#FFB020;
  --danger:#FF5A5A;
  --text:#E8EEF9;
  --text-2:#9FB0C8;
  --text-3:#6B7C96;
  --glass:rgba(255,255,255,.055);
  --glass-bd:rgba(255,255,255,.10);
  --card-r:20px;
  --nav-r:18px;
  --btn-r:12px;
  --img-r:16px;
  --shadow:0 12px 32px rgba(0,0,0,.35);
  --shadow-h:0 18px 48px rgba(0,0,0,.5);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:110px;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:var(--text-2);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--primary)}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding-left:1.1em}
.num{font-variant-numeric:tabular-nums}
.wrap{max-width:1200px;margin:0 auto;padding:0 20px}
@media(min-width:1024px){.wrap{padding:0 32px}}

/* ===== Buttons ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--btn-r);font-weight:600;line-height:1.2;white-space:nowrap;transition:all .22s var(--ease);border:1px solid transparent}
.btn-sm{padding:8px 14px;font-size:14px}
.btn-md{padding:12px 22px;font-size:15px}
.btn-lg{padding:14px 28px;font-size:16px}
.btn-primary{background:var(--primary);color:#04121F;box-shadow:0 8px 28px rgba(31,168,255,.42)}
.btn-primary:hover{background:#3BB6FF;color:#04121F;box-shadow:0 10px 40px rgba(31,168,255,.58)}
.btn-primary:active{transform:translateY(1px)}
.btn-primary:focus-visible{outline:2px solid rgba(31,168,255,.55);outline-offset:3px}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.18);color:var(--text)}
.btn-ghost:hover{border-color:var(--accent);color:var(--text);box-shadow:0 0 22px rgba(255,62,127,.25)}
.btn-ghost:active{transform:translateY(1px)}
.btn-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--text-2);border-bottom:1px solid transparent;padding-bottom:2px;border-radius:0}
.btn-link:hover{color:var(--primary);border-bottom-color:var(--primary)}

/* ===== Badges ===== */
.badge{display:inline-flex;align-items:center;gap:6px;border-radius:999px;font-size:12px;line-height:1.6;padding:4px 10px;border:1px solid transparent}
.badge-primary{background:rgba(31,168,255,.12);color:var(--primary);border-color:rgba(31,168,255,.25)}
.badge-mint{background:rgba(53,224,176,.12);color:var(--mint);border-color:rgba(53,224,176,.25)}
.badge-amber{background:rgba(255,176,32,.12);color:var(--amber);border-color:rgba(255,176,32,.25)}
.badge-magenta{background:rgba(255,62,127,.12);color:var(--accent);border-color:rgba(255,62,127,.25)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:.14em;color:var(--primary);font-weight:600}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--primary);opacity:.7}
.lead{font-size:16px;line-height:1.9;color:var(--text-2);max-width:68ch}
.muted{color:var(--text-3);font-size:13px}

/* ===== Card base ===== */
.card{transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease)}
.card:hover{transform:translateY(-4px);border-color:rgba(31,168,255,.35);box-shadow:var(--shadow-h)}
.glass{background:var(--glass);border:1px solid var(--glass-bd);border-radius:var(--card-r);box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.06);-webkit-backdrop-filter:blur(14px) saturate(120%);backdrop-filter:blur(14px) saturate(120%)}

/* ===== Sections ===== */
.sec{padding:56px 0;border-top:1px solid rgba(255,255,255,.06);position:relative}
.sec--alt{background:var(--bg-2)}
.sec-head{display:flex;flex-direction:column;gap:10px;margin-bottom:32px;max-width:760px}
.sec-head h2{font-size:clamp(22px,2.6vw,30px);line-height:1.3;font-weight:700;letter-spacing:-.2px}
.sec-head p{color:var(--text-2);font-size:15px;max-width:66ch}
@media(min-width:768px){.sec{padding:72px 0}}
@media(min-width:1024px){.sec{padding:88px 0}}

/* ===== Header / Nav ===== */
.site-header{position:sticky;top:0;z-index:60;padding:16px 0 0;transition:padding .2s var(--ease)}
.nav-shell{max-width:1200px;margin:0 auto;padding:0 20px}
.nav-bar{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  height:64px;padding:0 16px;border-radius:var(--nav-r);
  background:rgba(11,18,32,.62);
  border:1px solid var(--glass-bd);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  backdrop-filter:blur(14px) saturate(120%);
  box-shadow:0 10px 30px rgba(0,0,0,.28),inset 0 1px 0 rgba(255,255,255,.06);
  transition:background .2s var(--ease),box-shadow .2s var(--ease);
}
.site-header.is-stuck{padding-top:8px}
.site-header.is-stuck .nav-bar{background:rgba(7,9,16,.9);box-shadow:0 14px 38px rgba(0,0,0,.5)}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--text);font-weight:700;font-size:15px;white-space:nowrap}
.brand:hover{color:var(--text)}
.brand-mark{
  width:32px;height:32px;border-radius:10px;flex:none;
  background:linear-gradient(135deg,rgba(31,168,255,.9),rgba(255,62,127,.85));
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:0 6px 18px rgba(31,168,255,.35);
}
.brand-mark svg{width:17px;height:17px;stroke:#04121F;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.brand-sub{color:var(--text-3);font-weight:500;font-size:12px;letter-spacing:.02em}
.nav-links{display:none;align-items:center;gap:2px}
.nav-link{display:inline-flex;align-items:center;gap:7px;padding:9px 12px;border-radius:10px;font-size:14px;color:var(--text-2);transition:all .2s var(--ease)}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.05)}
.nav-link .dot{width:5px;height:5px;border-radius:50%;background:transparent;transition:background .2s var(--ease),box-shadow .2s var(--ease)}
.nav-link.is-active{color:var(--text);font-weight:600}
.nav-link.is-active .dot{background:var(--primary);box-shadow:0 0 8px var(--primary)}
.nav-actions{display:flex;align-items:center;gap:10px}
.nav-actions .nav-cta{display:none}
.nav-toggle{display:inline-flex;width:44px;height:44px;border-radius:12px;border:1px solid rgba(255,255,255,.14);align-items:center;justify-content:center}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text);border-radius:2px}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
@media(min-width:1024px){
  .nav-shell{padding:0 32px}
  .nav-links{display:flex}
  .nav-toggle{display:none}
  .nav-actions .nav-cta{display:inline-flex}
  .nav-bar{padding:0 18px}
  .brand{font-size:15.5px}
}
/* Mobile drawer */
.mobile-drawer{position:fixed;inset:0;z-index:90;display:none;padding:16px;background:rgba(7,9,16,.72);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}
.mobile-drawer.is-open{display:block}
.drawer-panel{background:rgba(11,18,32,.97);border:1px solid var(--glass-bd);border-radius:var(--card-r);padding:18px;box-shadow:0 20px 60px rgba(0,0,0,.6)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.drawer-close{width:44px;height:44px;border-radius:12px;border:1px solid rgba(255,255,255,.14);display:inline-flex;align-items:center;justify-content:center;font-size:20px;color:var(--text-2)}
.drawer-close:hover{color:var(--text);border-color:var(--primary)}
.drawer-links{display:flex;flex-direction:column;gap:4px}
.drawer-links a{display:flex;align-items:center;min-height:44px;padding:0 12px;border-radius:12px;font-size:15px;color:var(--text-2)}
.drawer-links a:hover{background:rgba(255,255,255,.06);color:var(--text)}
.drawer-links a.is-active{color:var(--primary);background:rgba(31,168,255,.1)}
.drawer-cta{margin-top:14px;display:flex}

/* ===== Category hero ===== */
.cat-hero{
  position:relative;overflow:hidden;
  padding:28px 0 44px;
  border-top:0;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(115deg,rgba(7,9,16,.94) 0%,rgba(7,9,16,.82) 46%,rgba(7,9,16,.96) 100%),
    url("/assets/images/41a28647d74bd9ea.webp") center/cover no-repeat;
  opacity:.9;z-index:0;
}
.cat-hero::after{
  content:"";position:absolute;left:-10%;top:-40%;width:70%;height:180%;
  background:linear-gradient(120deg,rgba(31,168,255,.16),rgba(31,168,255,0) 62%);
  transform:rotate(-8deg);filter:blur(6px);z-index:0;pointer-events:none;
}
.cat-hero .wrap{position:relative;z-index:1}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);flex-wrap:wrap}
.crumb a{color:var(--text-3)}
.crumb a:hover{color:var(--primary)}
.crumb span[aria-current]{color:var(--text-2)}
.cat-hero-grid{display:grid;gap:28px;align-items:start;margin-top:22px;grid-template-columns:1fr}
.cat-hero h1{font-size:clamp(26px,3.6vw,40px);line-height:1.25;font-weight:700;letter-spacing:-.4px;margin:14px 0 14px}
.cat-hero .lead{font-size:15.5px}
.cat-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.stat-panel{display:grid;gap:14px;padding:20px;border-radius:var(--card-r)}
.stat-row{display:flex;align-items:baseline;justify-content:space-between;gap:12px;padding-bottom:12px;border-bottom:1px solid rgba(255,255,255,.07)}
.stat-row:last-child{border-bottom:0;padding-bottom:0}
.stat-row .k{font-size:13px;color:var(--text-3)}
.stat-row .v{font-size:20px;font-weight:700;color:var(--primary);font-variant-numeric:tabular-nums}
.stat-row .v.mint{color:var(--mint)}
@media(min-width:900px){
  .cat-hero-grid{grid-template-columns:1.55fr .85fr;gap:40px}
  .cat-hero{padding:34px 0 56px}
}

/* ===== Filter bar ===== */
.filter-shell{position:sticky;top:84px;z-index:40;padding-top:6px}
.filter-bar{
  display:flex;align-items:center;gap:8px;overflow-x:auto;scrollbar-width:none;
  padding:8px;border-radius:999px;
  background:rgba(11,18,32,.86);
  border:1px solid var(--glass-bd);
  box-shadow:0 12px 34px rgba(0,0,0,.4);
  -webkit-backdrop-filter:blur(14px) saturate(120%);backdrop-filter:blur(14px) saturate(120%);
}
.filter-bar::-webkit-scrollbar{display:none}
.filter-btn{display:inline-flex;align-items:center;gap:8px;padding:9px 16px;border-radius:999px;font-size:14px;color:var(--text-2);border:1px solid rgba(255,255,255,.12);white-space:nowrap;transition:all .2s var(--ease)}
.filter-btn:hover{color:var(--text);border-color:rgba(31,168,255,.4)}
.filter-btn.is-active{background:var(--primary);color:#04121F;border-color:var(--primary);box-shadow:0 8px 24px rgba(31,168,255,.35);font-weight:600}
.filter-btn .cnt{font-size:12px;opacity:.8;font-variant-numeric:tabular-nums}
.filter-btn:focus-visible{outline:2px solid rgba(31,168,255,.6);outline-offset:2px}

/* ===== Post grid ===== */
.post-grid{display:grid;gap:22px;grid-template-columns:1fr;margin-top:26px}
.post-card{display:flex;flex-direction:column;overflow:hidden;background:var(--glass);border:1px solid var(--glass-bd);border-radius:var(--card-r);box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.06);-webkit-backdrop-filter:blur(14px) saturate(120%);backdrop-filter:blur(14px) saturate(120%)}
.post-card .thumb{position:relative;aspect-ratio:16/9;background:var(--bg-3);overflow:hidden}
.post-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease)}
.post-card:hover .thumb img{transform:scale(1.04)}
.post-card .thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,9,16,0) 45%,rgba(7,9,16,.72) 100%)}
.post-card .body{display:flex;flex-direction:column;gap:10px;padding:18px 20px 20px}
.post-card h3{font-size:17px;line-height:1.5;font-weight:600;color:var(--text)}
.post-card p{font-size:14px;line-height:1.75;color:var(--text-2)}
.post-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:auto;padding-top:12px;border-top:1px solid rgba(255,255,255,.07);font-size:12.5px;color:var(--text-3)}
.post-meta .num{color:var(--text-2)}
.list-foot{display:flex;justify-content:center;margin-top:30px}
@media(min-width:768px){.post-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.post-grid{grid-template-columns:repeat(3,1fr);gap:24px}}

/* ===== Two column note ===== */
.split{display:grid;gap:28px;grid-template-columns:1fr;align-items:center}
.split-media{border-radius:var(--img-r);overflow:hidden;border:1px solid var(--glass-bd);background:var(--bg-3);box-shadow:var(--shadow)}
.split-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/11}
.point-list{list-style:none;padding:0;display:grid;gap:14px;margin-top:22px}
.point-list li{display:grid;grid-template-columns:14px 1fr;gap:12px;font-size:15px;color:var(--text-2);line-height:1.8}
.point-list li::before{content:"";width:10px;height:10px;margin-top:9px;border-radius:3px;background:var(--primary);box-shadow:0 0 12px rgba(31,168,255,.5)}
.point-list strong{color:var(--text);font-weight:600}
@media(min-width:900px){.split{grid-template-columns:1.15fr .85fr;gap:44px}}

/* ===== Compare rows ===== */
.cmp-wrap{border-radius:var(--card-r);overflow:hidden;border:1px solid var(--glass-bd);background:var(--glass);box-shadow:var(--shadow)}
.cmp-row{display:grid;grid-template-columns:1fr;gap:6px;padding:18px 20px;border-top:1px solid rgba(255,255,255,.07)}
.cmp-row:first-child{border-top:0}
.cmp-row .c1{font-weight:600;font-size:15px;color:var(--text)}
.cmp-row .c2{font-size:14px;color:var(--text-2);font-variant-numeric:tabular-nums}
.cmp-row .c3{font-size:13px;color:var(--text-3)}
.cmp-label{font-size:12px;color:var(--text-3);letter-spacing:.08em}
@media(min-width:768px){
  .cmp-row{grid-template-columns:1.05fr 1.35fr 1.6fr;gap:18px;align-items:center}
  .cmp-row .c1{font-size:15.5px}
  .cmp-label{display:none}
}

/* ===== Steps ===== */
.steps{display:grid;gap:18px;grid-template-columns:1fr;counter-reset:st}
.step{position:relative;padding:20px;border-radius:var(--card-r);background:var(--glass);border:1px solid var(--glass-bd);box-shadow:var(--shadow)}
.step .no{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border-radius:10px;font-size:13px;font-weight:700;color:#04121F;background:var(--primary);box-shadow:0 6px 18px rgba(31,168,255,.35);font-variant-numeric:tabular-nums}
.step h3{font-size:16px;font-weight:600;margin:12px 0 6px}
.step p{font-size:14px;color:var(--text-2);line-height:1.75}
.step-note{margin-top:16px;font-size:13px;color:var(--text-3)}
@media(min-width:768px){.steps{grid-template-columns:repeat(3,1fr);gap:20px}}

/* ===== Safety ===== */
.safe-grid{display:grid;gap:18px;grid-template-columns:1fr}
.safe-item{display:grid;grid-template-columns:38px 1fr;gap:14px;padding:20px;border-radius:var(--card-r);background:rgba(255,255,255,.04);border:1px solid var(--glass-bd)}
.safe-item .ico{width:38px;height:38px;border-radius:11px;display:flex;align-items:center;justify-content:center;background:rgba(255,176,32,.12);border:1px solid rgba(255,176,32,.28);color:var(--amber)}
.safe-item .ico svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.safe-item h3{font-size:15.5px;font-weight:600;margin-bottom:4px}
.safe-item p{font-size:14px;color:var(--text-2);line-height:1.75}
@media(min-width:768px){.safe-grid{grid-template-columns:repeat(2,1fr)}}

/* ===== Read list ===== */
.read-list{display:grid;gap:16px;grid-template-columns:1fr}
.read-card{display:grid;grid-template-columns:104px 1fr;gap:14px;padding:12px;border-radius:var(--img-r);background:var(--glass);border:1px solid var(--glass-bd);transition:all .22s var(--ease)}
.read-card:hover{transform:translateY(-3px);border-color:rgba(31,168,255,.35);box-shadow:var(--shadow-h)}
.read-card .pic{position:relative;border-radius:12px;overflow:hidden;background:var(--bg-3);min-height:78px}
.read-card .pic img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
.read-card h3{font-size:15px;font-weight:600;color:var(--text);line-height:1.55}
.read-card .rm{display:flex;gap:10px;flex-wrap:wrap;margin-top:8px;font-size:12.5px;color:var(--text-3)}
@media(min-width:900px){.read-list{grid-template-columns:repeat(3,1fr)}}

/* ===== FAQ ===== */
.faq{border-radius:var(--card-r);overflow:hidden;border:1px solid var(--glass-bd);background:rgba(255,255,255,.04)}
.faq-item{border-top:1px solid rgba(255,255,255,.07)}
.faq-item:first-child{border-top:0}
.faq-q{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;min-height:56px;padding:14px 20px;text-align:left;font-size:15.5px;font-weight:600;color:var(--text)}
.faq-q:hover{color:var(--primary)}
.faq-q .mark{flex:none;width:24px;height:24px;border-radius:50%;border:1px solid rgba(255,255,255,.2);display:inline-flex;align-items:center;justify-content:center;font-size:14px;color:var(--text-2);transition:all .2s var(--ease)}
.faq-item.is-open .faq-q{color:var(--primary)}
.faq-item.is-open .faq-q .mark{border-color:var(--primary);color:var(--primary);transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s var(--ease)}
.faq-a .inner{padding:0 20px 18px;font-size:14.5px;line-height:1.8;color:var(--text-2);max-width:70ch}
.faq-q:focus-visible{outline:2px solid rgba(31,168,255,.55);outline-offset:-3px}

/* ===== CTA band ===== */
.cta-band{display:flex;flex-direction:column;gap:20px;padding:28px;border-radius:var(--card-r);background:linear-gradient(120deg,rgba(31,168,255,.12),rgba(255,62,127,.08));border:1px solid rgba(31,168,255,.24);box-shadow:0 18px 48px rgba(0,0,0,.42)}
.cta-band h2{font-size:clamp(20px,2.4vw,26px);line-height:1.35;font-weight:700}
.cta-band p{font-size:14.5px;color:var(--text-2);margin-top:8px;max-width:62ch}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
@media(min-width:900px){.cta-band{flex-direction:row;align-items:center;justify-content:space-between;padding:36px 40px}}

/* ===== Compliance strip ===== */
.notice{display:flex;gap:12px;align-items:flex-start;padding:14px 16px;border-radius:12px;background:rgba(255,176,32,.08);border:1px solid rgba(255,176,32,.22);font-size:12.8px;line-height:1.7;color:var(--text-3)}
.notice svg{width:18px;height:18px;flex:none;margin-top:2px;stroke:var(--amber);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}

/* ===== Footer ===== */
.site-footer{border-top:1px solid rgba(255,255,255,.08);background:rgba(11,18,32,.55);padding:52px 0 26px;margin-top:0}
.foot-grid{display:grid;gap:30px;grid-template-columns:1fr}
.foot-brand p{font-size:13.5px;line-height:1.8;color:var(--text-3);margin-top:14px;max-width:34ch}
.foot-title{font-size:12.5px;font-weight:600;letter-spacing:.1em;color:var(--text);margin-bottom:12px}
.foot-links{display:flex;flex-direction:column;gap:10px;font-size:13.5px;color:var(--text-3)}
.foot-links a{color:var(--text-3)}
.foot-links a:hover{color:var(--primary)}
.foot-links span{color:var(--text-3);line-height:1.7}
.foot-bottom{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;margin-top:34px;padding-top:20px;border-top:1px solid rgba(255,255,255,.07);font-size:13px;color:var(--text-3)}
.age{display:inline-flex;align-items:center;padding:3px 10px;border-radius:999px;border:1px solid rgba(255,176,32,.3);color:var(--amber);background:rgba(255,176,32,.1);font-size:12px}
@media(min-width:768px){.foot-grid{grid-template-columns:1fr 1fr;gap:34px}}
@media(min-width:1024px){.foot-grid{grid-template-columns:1.5fr 1fr 1fr 1.25fr}}

/* ===== Motion ===== */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.reveal.is-in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  .card:hover,.post-card:hover,.read-card:hover{transform:none}
  .post-card:hover .thumb img{transform:none}
}
@media(max-width:767px){
  .card:hover,.post-card:hover,.read-card:hover{transform:none}
  .glass,.post-card,.filter-bar{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}
  .filter-shell{top:76px}
}

/* roulang page: article */
:root{
  --bg:#070910;
  --bg-2:#0B1220;
  --bg-3:#0E1526;
  --primary:#1FA8FF;
  --accent:#FF3E7F;
  --mint:#35E0B0;
  --amber:#FFB020;
  --danger:#FF5A5A;
  --text:#E8EEF9;
  --text-2:#9FB0C8;
  --text-3:#6B7C96;
  --glass:rgba(255,255,255,.055);
  --glass-bd:rgba(255,255,255,.10);
  --card-r:20px;
  --nav-r:18px;
  --btn-r:12px;
  --img-r:16px;
  --shadow:0 12px 32px rgba(0,0,0,.35);
  --shadow-h:0 18px 48px rgba(0,0,0,.5);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:110px;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  position:relative;
}
body::before{
  content:"";position:fixed;top:-220px;left:-160px;width:620px;height:620px;border-radius:50%;
  background:radial-gradient(circle,rgba(31,168,255,.13),transparent 68%);
  pointer-events:none;z-index:0;
}
body::after{
  content:"";position:fixed;bottom:-260px;right:-200px;width:640px;height:640px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,62,127,.075),transparent 70%);
  pointer-events:none;z-index:0;
}
img{max-width:100%;display:block;border:0}
a{color:var(--text-2);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--primary)}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,select,textarea{font:inherit;color:inherit}
::selection{background:rgba(31,168,255,.3);color:#fff}
.wrap{max-width:1200px;margin:0 auto;padding:0 20px;position:relative;z-index:1}
@media(min-width:768px){.wrap{padding:0 32px}}
.card{transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease)}
.card:hover{transform:translateY(-4px);border-color:rgba(31,168,255,.35);box-shadow:var(--shadow-h)}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--btn-r);font-weight:600;line-height:1.2;white-space:nowrap;transition:all .22s var(--ease);border:1px solid transparent}
.btn-sm{padding:8px 14px;font-size:14px}
.btn-md{padding:12px 22px;font-size:15px}
.btn-lg{padding:14px 28px;font-size:16px}
.btn-primary{background:var(--primary);color:#04121F;box-shadow:0 8px 28px rgba(31,168,255,.42)}
.btn-primary:hover{background:#3BB6FF;color:#04121F;box-shadow:0 10px 40px rgba(31,168,255,.58)}
.btn-primary:active{transform:translateY(1px)}
.btn-primary:focus-visible{outline:2px solid rgba(31,168,255,.55);outline-offset:3px}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.18);color:var(--text)}
.btn-ghost:hover{border-color:var(--accent);color:var(--text);box-shadow:0 0 22px rgba(255,62,127,.25)}
.btn-ghost:active{transform:translateY(1px)}
.btn-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--text-2);border-bottom:1px solid transparent;padding-bottom:2px;border-radius:0}
.btn-link:hover{color:var(--primary);border-bottom-color:var(--primary)}

/* badges */
.badge{display:inline-flex;align-items:center;gap:6px;border-radius:999px;font-size:12px;line-height:1.6;padding:4px 10px;border:1px solid transparent}
.badge-primary{background:rgba(31,168,255,.12);color:var(--primary);border-color:rgba(31,168,255,.25)}
.badge-mint{background:rgba(53,224,176,.12);color:var(--mint);border-color:rgba(53,224,176,.25)}
.badge-amber{background:rgba(255,176,32,.12);color:var(--amber);border-color:rgba(255,176,32,.25)}
.badge-magenta{background:rgba(255,62,127,.12);color:var(--accent);border-color:rgba(255,62,127,.25)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--primary);font-weight:600}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--primary);opacity:.7}
.muted{color:var(--text-3);font-size:13px}

/* header / nav */
.site-header{position:sticky;top:0;z-index:60;padding:16px 0 0;transition:padding .2s var(--ease)}
.nav-shell{max-width:1200px;margin:0 auto;padding:0 20px}
@media(min-width:768px){.nav-shell{padding:0 32px}}
.nav-bar{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  height:64px;padding:0 18px;border-radius:var(--nav-r);
  background:rgba(11,18,32,.62);
  border:1px solid var(--glass-bd);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  backdrop-filter:blur(14px) saturate(120%);
  box-shadow:0 10px 30px rgba(0,0,0,.28),inset 0 1px 0 rgba(255,255,255,.06);
  transition:background .2s var(--ease),box-shadow .2s var(--ease);
}
.site-header.is-stuck{padding-top:8px}
.site-header.is-stuck .nav-bar{background:rgba(7,9,16,.88);box-shadow:0 14px 38px rgba(0,0,0,.5)}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--text);font-weight:700;font-size:15.5px;white-space:nowrap}
.brand:hover{color:var(--text)}
.brand-mark{
  width:32px;height:32px;border-radius:10px;flex:none;
  background:linear-gradient(135deg,rgba(31,168,255,.9),rgba(255,62,127,.85));
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:0 6px 18px rgba(31,168,255,.35);
}
.brand-mark svg{width:17px;height:17px;stroke:#04121F;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.brand-sub{color:var(--text-3);font-weight:500;font-size:12px;letter-spacing:.02em}
.nav-links{display:none}
.nav-link{display:inline-flex;align-items:center;gap:7px;padding:9px 13px;border-radius:10px;font-size:14.5px;color:var(--text-2);transition:all .2s var(--ease)}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.05)}
.nav-link .dot{width:5px;height:5px;border-radius:50%;background:transparent;transition:background .2s var(--ease),box-shadow .2s var(--ease)}
.nav-link.is-active{color:var(--text);font-weight:600}
.nav-link.is-active .dot{background:var(--primary);box-shadow:0 0 8px var(--primary)}
.nav-actions{display:flex;align-items:center;gap:10px}
.nav-actions .btn-primary{display:none}
.nav-toggle{display:inline-flex;width:44px;height:44px;border-radius:12px;border:1px solid rgba(255,255,255,.14);align-items:center;justify-content:center}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text);border-radius:2px}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.mobile-drawer{position:fixed;inset:0;z-index:90;display:none;padding:16px;background:rgba(7,9,16,.72);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}
.mobile-drawer.is-open{display:block}
.drawer-panel{background:rgba(11,18,32,.96);border:1px solid var(--glass-bd);border-radius:var(--card-r);padding:18px;box-shadow:0 20px 60px rgba(0,0,0,.6)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.drawer-close{width:44px;height:44px;border-radius:12px;border:1px solid rgba(255,255,255,.14);display:inline-flex;align-items:center;justify-content:center;font-size:16px;color:var(--text)}
.drawer-links{display:flex;flex-direction:column;gap:4px;margin:8px 0 16px}
.drawer-links a{min-height:44px;display:flex;align-items:center;padding:0 12px;border-radius:12px;font-size:15px;color:var(--text-2)}
.drawer-links a:hover{background:rgba(255,255,255,.06);color:var(--text)}
.drawer-cta{width:100%}
@media(min-width:1024px){
  .nav-links{display:flex;align-items:center;gap:2px}
  .nav-toggle{display:none}
  .nav-actions .btn-primary{display:inline-flex}
  .mobile-drawer{display:none!important}
}

/* section rhythm */
.sec{padding:56px 0}
@media(min-width:768px){.sec{padding:72px 0}}
@media(min-width:1024px){.sec{padding:88px 0}}
.sec-tight{padding:30px 0}
@media(min-width:768px){.sec-tight{padding:36px 0}}
.sec-alt{background:var(--bg-2);border-top:1px solid rgba(255,255,255,.06);border-bottom:1px solid rgba(255,255,255,.06)}
.sec-title{font-size:clamp(20px,2.2vw,26px);line-height:1.35;font-weight:700;color:var(--text);margin:0 0 8px;letter-spacing:-.3px}
.sec-sub{font-size:14px;color:var(--text-3);margin:0 0 28px;max-width:64ch}

/* breadcrumb */
.crumb-bar{padding:22px 0 0}
.crumb-bar .wrap{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);flex-wrap:wrap;min-width:0}
.breadcrumb a{color:var(--text-3)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{color:rgba(255,255,255,.22)}
.crumb-current{color:var(--text-2);max-width:44ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* article head */
.article-head{padding:26px 0 0;position:relative;z-index:1}
.article-title{font-size:clamp(26px,3.4vw,42px);line-height:1.3;font-weight:700;letter-spacing:-.5px;margin:14px 0 18px;max-width:24em;word-break:break-word;overflow-wrap:anywhere}
.article-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:13px;color:var(--text-3)}
.article-meta .dot-sep{width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.22)}
.rule{height:1px;border:0;background:rgba(255,255,255,.08);margin:26px 0 0}

/* article layout */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:0;padding-top:34px}
.article-body{min-width:0;max-width:760px}
.article-aside{display:none}
@media(min-width:1024px){
  .article-layout{grid-template-columns:minmax(0,760px) 240px;gap:48px;justify-content:space-between;align-items:start}
  .article-aside{display:block}
}
.toc-card{
  position:sticky;top:100px;
  background:var(--glass);border:1px solid var(--glass-bd);border-radius:16px;
  padding:16px 14px 14px;
  -webkit-backdrop-filter:blur(14px) saturate(120%);backdrop-filter:blur(14px) saturate(120%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
}
.toc-title{font-size:12.5px;letter-spacing:.1em;color:var(--text-3);margin:0 0 10px;text-transform:uppercase;font-weight:600}
.toc-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px;max-height:60vh;overflow:auto}
.toc-list a{display:block;font-size:13px;line-height:1.6;padding:6px 8px;border-radius:8px;color:var(--text-2);border-left:2px solid transparent;transition:all .2s var(--ease)}
.toc-list a:hover{color:var(--primary);background:rgba(31,168,255,.08);border-left-color:var(--primary)}

/* article content typography */
.article-content{font-size:16px;line-height:1.9;color:var(--text-2)}
.article-content>*:first-child{margin-top:0}
.article-content h2{font-size:clamp(19px,2vw,23px);line-height:1.45;font-weight:700;color:var(--text);margin:36px 0 16px;padding-left:12px;border-left:3px solid var(--primary);letter-spacing:-.2px}
.article-content h3{font-size:17.5px;line-height:1.5;font-weight:600;color:var(--text);margin:26px 0 12px}
.article-content h4{font-size:16px;line-height:1.6;font-weight:600;color:var(--text);margin:20px 0 10px}
.article-content p{margin:0 0 20px;max-width:70ch}
.article-content strong{color:var(--text);font-weight:600}
.article-content ul,.article-content ol{margin:0 0 20px;padding-left:22px}
.article-content li{margin:8px 0;line-height:1.85}
.article-content li::marker{color:var(--primary)}
.article-content blockquote{margin:24px 0;padding:14px 20px;border-left:3px solid var(--accent);border-radius:0 12px 12px 0;background:var(--glass);color:var(--text-2)}
.article-content blockquote p:last-child{margin-bottom:0}
.article-content img{border-radius:var(--img-r);margin:22px 0;border:1px solid var(--glass-bd)}
.article-content figure{margin:22px 0}
.article-content figcaption{font-size:13px;color:var(--text-3);margin-top:8px;text-align:center}
.article-content a{color:var(--primary);border-bottom:1px solid rgba(31,168,255,.35)}
.article-content a:hover{color:#5CC2FF}
.article-content table{width:100%;border-collapse:collapse;margin:20px 0;font-size:14px}
.article-content th,.article-content td{padding:10px 12px;border-bottom:1px solid rgba(255,255,255,.08);text-align:left}
.article-content th{color:var(--text);background:rgba(255,255,255,.04);font-weight:600}
.article-content code{background:rgba(255,255,255,.07);padding:2px 6px;border-radius:6px;font-size:14px;color:var(--mint)}
.article-content hr{border:0;height:1px;background:rgba(255,255,255,.08);margin:28px 0}

/* empty state */
.empty-state{
  display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;
  gap:10px;min-height:260px;padding:44px 24px;
  background:var(--glass);border:1px solid var(--glass-bd);border-radius:var(--card-r);
}
.empty-state svg{width:44px;height:44px;stroke:var(--text-3);fill:none;stroke-width:1.4;stroke-linecap:round;stroke-linejoin:round}
.empty-title{margin:6px 0 0;font-size:17px;color:var(--text);font-weight:600}
.empty-sub{margin:0;font-size:13.5px;color:var(--text-3);max-width:40ch;line-height:1.8}

/* key points */
.keypoints{
  background:linear-gradient(180deg,rgba(31,168,255,.09),rgba(255,255,255,.028));
  border:1px solid rgba(31,168,255,.22);
  border-radius:var(--card-r);padding:26px 24px;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
}
.keypoints h2{font-size:20px;line-height:1.4;margin:0 0 6px;color:var(--text);font-weight:700}
.keypoints .kp-desc{font-size:13.5px;color:var(--text-3);margin:0}
.kp-list{list-style:none;margin:18px 0 0;padding:0;display:grid;gap:12px}
.kp-list li{display:flex;gap:12px;font-size:14.5px;color:var(--text-2);line-height:1.8}
.kp-list .mark{flex:none;width:18px;height:18px;border-radius:6px;margin-top:4px;background:rgba(53,224,176,.16);border:1px solid rgba(53,224,176,.4);display:flex;align-items:center;justify-content:center}
.kp-list .mark svg{width:10px;height:10px;stroke:var(--mint);stroke-width:3;fill:none;stroke-linecap:round;stroke-linejoin:round}

/* meta strip */
.meta-strip{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:rgba(255,255,255,.07);border:1px solid var(--glass-bd);border-radius:var(--card-r);overflow:hidden}
@media(min-width:768px){.meta-strip{grid-template-columns:repeat(4,1fr)}}
.meta-item{background:var(--bg-2);padding:18px 20px}
.meta-item .k{font-size:12.5px;color:var(--text-3);margin:0 0 6px}
.meta-item .v{font-size:15px;color:var(--text);font-weight:600;margin:0;font-variant-numeric:tabular-nums}

/* related cards */
.rel-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media(min-width:768px){.rel-grid{grid-template-columns:repeat(3,1fr)}}
.rel-card{
  display:flex;flex-direction:column;gap:10px;
  background:var(--glass);border:1px solid var(--glass-bd);border-radius:var(--card-r);
  padding:20px 20px 18px;transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
}
.rel-card:hover{transform:translateY(-4px);border-color:rgba(31,168,255,.35);box-shadow:var(--shadow-h)}
.rel-card .rel-title{font-size:16px;line-height:1.55;color:var(--text);font-weight:600;margin:0}
.rel-card .rel-desc{font-size:13.5px;line-height:1.8;color:var(--text-3);margin:0}
.rel-card .rel-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:auto;padding-top:10px;border-top:1px solid rgba(255,255,255,.07);font-size:12.5px;color:var(--text-3)}
.rel-card .rel-foot svg{width:15px;height:15px;stroke:var(--primary);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}

/* prev / next */
.pn-grid{display:grid;grid-template-columns:1fr;gap:18px}
@media(min-width:768px){.pn-grid{grid-template-columns:1fr 1fr}}
.pn-card{
  display:flex;flex-direction:column;gap:8px;
  background:var(--glass);border:1px solid var(--glass-bd);border-radius:var(--card-r);
  padding:20px 22px;transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.pn-card:hover{transform:translateY(-3px);border-color:rgba(255,62,127,.35);box-shadow:var(--shadow-h)}
.pn-card .pn-label{font-size:12.5px;color:var(--text-3);letter-spacing:.08em}
.pn-card .pn-title{font-size:15.5px;color:var(--text);font-weight:600;line-height:1.6;margin:0}

/* end cta */
.end-cta{
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
  background:linear-gradient(120deg,rgba(31,168,255,.14),rgba(255,62,127,.09));
  border:1px solid rgba(31,168,255,.26);border-radius:var(--card-r);
  padding:26px 28px;
}
.end-cta h2{font-size:clamp(18px,2vw,22px);line-height:1.45;margin:0 0 6px;color:var(--text);font-weight:700}
.end-cta p{font-size:13.5px;color:var(--text-3);margin:0}
.notice{margin:16px 0 0;font-size:12.5px;line-height:1.9;color:var(--text-3)}
.notice .amber{color:var(--amber)}

/* footer */
.site-footer{
  position:relative;margin-top:0;
  border-top:1px solid rgba(255,255,255,.08);
  background:linear-gradient(180deg,rgba(11,18,32,.92),rgba(7,9,16,.99));
  padding:56px 0 26px;
}
.foot-grid{display:grid;grid-template-columns:1fr;gap:30px}
@media(min-width:640px){.foot-grid{grid-template-columns:1fr 1fr}}
@media(min-width:960px){.foot-grid{grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px}}
.foot-brand .brand{font-size:15px;margin-bottom:12px}
.foot-brand p{color:var(--text-3);font-size:13.5px;line-height:1.9;margin:0;max-width:36ch}
.foot-title{font-size:13px;color:var(--text);font-weight:600;letter-spacing:.06em;margin:0 0 14px}
.foot-links{display:flex;flex-direction:column;gap:9px}
.foot-links a,.foot-links span{font-size:13.5px;color:var(--text-3);line-height:1.7}
.foot-links a:hover{color:var(--primary)}
.foot-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.06)}
.foot-bottom p{margin:0;font-size:13px;color:var(--text-3)}
.age{font-size:12px;color:var(--amber);border:1px solid rgba(255,176,32,.3);background:rgba(255,176,32,.1);border-radius:999px;padding:4px 12px;white-space:nowrap}

@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}
@media(max-width:767px){
  .article-title{font-size:clamp(24px,6vw,30px)}
  .end-cta{padding:22px 20px}
  body::before,body::after{display:none}
  .nav-bar{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}
}