/* roulang page: index */
:root{
  --bg:#070e1b;
  --bg-soft:#0b1526;
  --surface:#101d32;
  --surface-2:#152540;
  --surface-3:#1a2c4a;
  --border:rgba(146,178,216,.14);
  --border-strong:rgba(146,178,216,.32);
  --text:#e8eff9;
  --muted:#93a7c2;
  --muted-dim:#6f83a0;
  --primary:#3d9dff;
  --primary-deep:#1f6fd0;
  --accent:#35d3b6;
  --gold:#f0b544;
  --radius:14px;
  --radius-sm:10px;
  --radius-lg:20px;
  --shadow:0 10px 26px rgba(2,8,20,.45);
  --shadow-lg:0 22px 52px rgba(2,8,20,.6);
  --container:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:15px;
  line-height:1.78;
  color:var(--text);
  background:var(--bg);
  background-image:radial-gradient(1100px 520px at 12% -8%,rgba(61,157,255,.16),transparent 62%),radial-gradient(900px 460px at 96% 4%,rgba(53,211,182,.10),transparent 60%);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p,figure{margin:0}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px}
.container{width:min(100% - 40px,var(--container));margin-inline:auto}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:70;
  background:rgba(7,14,27,.84);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--border);
  transition:box-shadow .25s ease,background .25s ease;
}
.site-header.is-stuck{box-shadow:0 10px 30px rgba(2,8,20,.55);background:rgba(7,14,27,.94)}
.header-inner{display:flex;align-items:center;gap:22px;height:64px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(150deg,var(--primary),#1b62b8 70%);
  color:#fff;box-shadow:0 6px 16px rgba(61,157,255,.35);
}
.brand-text{font-size:16.5px;font-weight:700;letter-spacing:.2px;white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:8px}
.nav-link{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 13px;border-radius:8px;
  font-size:14.5px;font-weight:500;color:var(--muted);
  transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:var(--text);background:rgba(61,157,255,.12)}
.nav-link.is-active{color:#fff;background:rgba(61,157,255,.18)}
.nav-mega{position:relative}
.mega-toggle{display:inline-flex;align-items:center;gap:6px}
.mega-toggle svg{transition:transform .2s ease}
.nav-mega:hover .mega-toggle svg,.nav-mega:focus-within .mega-toggle svg{transform:rotate(180deg)}
.mega-panel{
  position:absolute;top:calc(100% + 12px);right:0;width:620px;
  display:grid;grid-template-columns:1fr 1fr;gap:26px;
  padding:24px;
  background:linear-gradient(180deg,#132banchor,#0e1b2e);
  background:linear-gradient(180deg,#142238,#0d1929);
  border:1px solid var(--border-strong);
  border-radius:var(--radius);
  box-shadow:var(--shadow-lg);
  opacity:0;visibility:hidden;transform:translateY(-8px);
  transition:opacity .2s ease,transform .2s ease,visibility .2s ease;
}
.nav-mega:hover .mega-panel,.nav-mega:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-title{font-size:12px;letter-spacing:.14em;color:var(--muted-dim);font-weight:700;margin-bottom:12px;text-transform:uppercase}
.mega-col a{
  display:block;padding:8px 10px;margin:0 -10px;border-radius:8px;
  font-size:14px;color:var(--muted);line-height:1.6;
  transition:background .2s ease,color .2s ease;
}
.mega-col a:hover{background:rgba(61,157,255,.14);color:#fff}
.header-cta{
  margin-left:auto;display:inline-flex;align-items:center;gap:8px;
  padding:9px 18px;border-radius:9px;font-size:14px;font-weight:600;color:#04101f;
  background:linear-gradient(150deg,#57b2ff,var(--primary));
  box-shadow:0 8px 20px rgba(61,157,255,.3);
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.header-cta:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(61,157,255,.42);filter:brightness(1.06)}
.nav-toggle{
  display:none;margin-left:auto;width:42px;height:42px;border-radius:10px;
  border:1px solid var(--border-strong);align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.nav-toggle span{display:block;width:17px;height:2px;border-radius:2px;background:var(--text);transition:transform .2s ease,opacity .2s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;border-radius:9px;font-size:15px;font-weight:600;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease;
}
.btn-primary{
  color:#04101f;background:linear-gradient(150deg,#58b3ff,var(--primary));
  box-shadow:0 12px 28px rgba(61,157,255,.32);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(61,157,255,.45)}
.btn-ghost{color:var(--text);border:1px solid var(--border-strong);background:rgba(255,255,255,.03)}
.btn-ghost:hover{border-color:rgba(61,157,255,.6);color:#fff;transform:translateY(-2px);background:rgba(61,157,255,.1)}
.btn-sm{padding:9px 18px;font-size:13.5px;border-radius:8px}

/* ---------- hero ---------- */
.hero{
  position:relative;overflow:hidden;
  padding:74px 0 82px;
  border-bottom:1px solid var(--border);
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  opacity:.28;filter:saturate(.85);
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(7,14,27,.96) 0%,rgba(7,14,27,.86) 46%,rgba(7,14,27,.62) 100%);
}
.hero .container{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.12fr) minmax(0,.88fr);gap:52px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  font-size:12.5px;font-weight:600;letter-spacing:.06em;
  color:#a9e6ff;background:rgba(61,157,255,.14);
  border:1px solid rgba(61,157,255,.32);
}
.hero h1{
  margin-top:20px;
  font-size:clamp(28px,3.5vw,42px);
  line-height:1.32;font-weight:800;letter-spacing:-.3px;
}
.hero h1 em{font-style:normal;color:#7cc3ff}
.hero-lead{margin-top:20px;font-size:15.5px;line-height:1.85;color:#b6c6dc;max-width:660px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.tag{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 14px;border-radius:999px;font-size:13px;color:var(--muted);
  background:rgba(255,255,255,.04);border:1px solid var(--border);
}
.tag::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent)}
.hero-demo{
  background:linear-gradient(180deg,rgba(24,40,66,.94),rgba(13,24,41,.96));
  border:1px solid var(--border-strong);
  border-radius:var(--radius-lg);
  padding:26px;
  box-shadow:var(--shadow-lg);
}
.demo-head{display:flex;align-items:center;gap:9px;font-size:13px;color:var(--muted);font-weight:600;letter-spacing:.04em}
.demo-head .dot{width:9px;height:9px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(53,211,182,.16)}
.demo-steps{margin-top:20px;display:grid;gap:14px}
.demo-steps li{display:flex;gap:14px;align-items:flex-start;padding:14px;border-radius:11px;border:1px solid transparent;transition:border-color .2s ease,background .2s ease}
.demo-steps li.is-done{background:rgba(53,211,182,.07);border-color:rgba(53,211,182,.22)}
.demo-steps li.is-active{background:rgba(61,157,255,.1);border-color:rgba(61,157,255,.32)}
.demo-idx{
  flex:0 0 auto;width:26px;height:26px;border-radius:8px;display:grid;place-items:center;
  font-size:13px;font-weight:700;color:var(--muted);background:rgba(255,255,255,.06);border:1px solid var(--border);
}
.is-done .demo-idx{background:rgba(53,211,182,.2);color:#8df0dd;border-color:rgba(53,211,182,.4)}
.is-active .demo-idx{background:rgba(61,157,255,.24);color:#b9ddff;border-color:rgba(61,157,255,.5)}
.demo-steps strong{display:block;font-size:14.5px;font-weight:700}
.demo-steps p{font-size:13px;color:var(--muted);line-height:1.65;margin-top:3px}
.demo-bar{height:7px;border-radius:999px;background:rgba(255,255,255,.08);margin-top:20px;overflow:hidden}
.demo-bar-fill{height:100%;width:66%;border-radius:999px;background:linear-gradient(90deg,var(--primary),var(--accent))}
.demo-note{margin-top:11px;font-size:12.5px;color:var(--muted-dim)}

/* ---------- sections ---------- */
.section{padding:76px 0;position:relative}
.section--alt{background:linear-gradient(180deg,rgba(11,21,38,.9),rgba(7,14,27,.6));border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.section-head{max-width:760px;margin-bottom:38px}
.section-kicker{
  display:inline-flex;align-items:center;gap:9px;
  font-size:12.5px;font-weight:700;letter-spacing:.14em;color:#7cc3ff;text-transform:uppercase;
}
.section-kicker::before{content:"";width:22px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--primary),transparent)}
.section-head h2{
  margin-top:13px;font-size:clamp(21px,2.4vw,29px);line-height:1.4;font-weight:750;letter-spacing:-.2px;
}
.section-head p{margin-top:13px;font-size:15px;color:var(--muted);line-height:1.85}
.section-head.center{margin-inline:auto;text-align:center}

/* ---------- grids & cards ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
.card{
  position:relative;padding:26px;
  background:linear-gradient(180deg,var(--surface),rgba(13,24,41,.92));
  border:1px solid var(--border);border-radius:var(--radius);
  box-shadow:var(--shadow);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(61,157,255,.42)}
.card h3{font-size:17px;font-weight:700;line-height:1.5;margin-top:16px}
.card p{margin-top:10px;font-size:14px;color:var(--muted);line-height:1.8}
.icon-box{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  background:rgba(61,157,255,.12);border:1px solid rgba(61,157,255,.26);color:#8cc7ff;
}
.icon-box.teal{background:rgba(53,211,182,.12);border-color:rgba(53,211,182,.28);color:#7ee6d3}
.icon-box.gold{background:rgba(240,181,68,.12);border-color:rgba(240,181,68,.3);color:#f3c874}
.card-note{
  display:inline-flex;align-items:center;gap:7px;
  margin-top:16px;padding:5px 12px;border-radius:999px;
  font-size:12.5px;color:#a9e6ff;background:rgba(61,157,255,.1);border:1px solid rgba(61,157,255,.24);
}
.card-media{border-radius:var(--radius-sm);overflow:hidden;border:1px solid var(--border);aspect-ratio:16/9;background:var(--surface-2)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.card:hover .card-media img{transform:scale(1.045)}

/* ---------- fit / not-fit ---------- */
.fit-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.fit-card{padding:30px;border-radius:var(--radius);border:1px solid var(--border);box-shadow:var(--shadow)}
.fit-card.yes{background:linear-gradient(180deg,rgba(20,44,52,.9),rgba(12,26,34,.92));border-color:rgba(53,211,182,.22)}
.fit-card.no{background:linear-gradient(180deg,rgba(40,32,26,.9),rgba(24,20,16,.92));border-color:rgba(240,181,68,.22)}
.fit-card h3{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700}
.fit-card .badge{font-size:12px;font-weight:700;padding:3px 10px;border-radius:999px}
.fit-card.yes .badge{color:#8df0dd;background:rgba(53,211,182,.16);border:1px solid rgba(53,211,182,.32)}
.fit-card.no .badge{color:#f3c874;background:rgba(240,181,68,.14);border:1px solid rgba(240,181,68,.3)}
.fit-list{margin-top:18px;display:grid;gap:12px}
.fit-list li{display:flex;gap:11px;font-size:14px;color:var(--muted);line-height:1.75}
.fit-list li::before{
  content:"";flex:0 0 auto;width:7px;height:7px;border-radius:50%;margin-top:9px;
  background:var(--accent);
}
.fit-card.no .fit-list li::before{background:var(--gold)}

/* ---------- match ---------- */
.match-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.match-card{
  padding:24px;border-radius:var(--radius);border:1px solid var(--border);
  background:linear-gradient(180deg,var(--surface-2),rgba(12,22,38,.94));
  box-shadow:var(--shadow);transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.match-card:hover{transform:translateY(-4px);border-color:rgba(61,157,255,.4);box-shadow:var(--shadow-lg)}
.match-card h3{font-size:16.5px;font-weight:700}
.match-card .sub{font-size:12.5px;color:var(--primary);font-weight:600;margin-top:6px;letter-spacing:.04em}
.match-card ul{margin-top:16px;display:grid;gap:9px}
.match-card li{font-size:13.5px;color:var(--muted);line-height:1.7;padding-left:15px;position:relative}
.match-card li::before{content:"";position:absolute;left:0;top:9px;width:5px;height:5px;border-radius:50%;background:rgba(61,157,255,.7)}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;counter-reset:step}
.step{
  position:relative;padding:30px 26px 26px;border-radius:var(--radius);
  background:linear-gradient(180deg,var(--surface),rgba(12,22,38,.92));
  border:1px solid var(--border);box-shadow:var(--shadow);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.step:hover{transform:translateY(-4px);border-color:rgba(61,157,255,.42);box-shadow:var(--shadow-lg)}
.step-num{
  display:inline-grid;place-items:center;width:38px;height:38px;border-radius:11px;
  font-size:15px;font-weight:800;color:#04101f;
  background:linear-gradient(150deg,#7cc3ff,var(--primary));
  box-shadow:0 8px 18px rgba(61,157,255,.3);
}
.step h3{margin-top:16px;font-size:17px;font-weight:700}
.step p{margin-top:9px;font-size:14px;color:var(--muted);line-height:1.8}

/* ---------- channels ---------- */
.channel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.channel-card{
  display:flex;flex-direction:column;overflow:hidden;
  border-radius:var(--radius);border:1px solid var(--border);
  background:linear-gradient(180deg,var(--surface),rgba(11,20,35,.94));
  box-shadow:var(--shadow);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.channel-card:hover{transform:translateY(-4px);border-color:rgba(61,157,255,.45);box-shadow:var(--shadow-lg)}
.channel-card .thumb{aspect-ratio:16/9;overflow:hidden;background:var(--surface-2)}
.channel-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.channel-card:hover .thumb img{transform:scale(1.05)}
.channel-body{padding:24px;display:flex;flex-direction:column;flex:1}
.channel-body h3{font-size:17.5px;font-weight:700}
.channel-body p{margin-top:10px;font-size:14px;color:var(--muted);line-height:1.8;flex:1}
.channel-link{
  margin-top:18px;display:inline-flex;align-items:center;gap:8px;
  font-size:13.5px;font-weight:600;color:#7cc3ff;
}
.channel-link svg{transition:transform .2s ease}
.channel-card:hover .channel-link svg{transform:translateX(4px)}

/* ---------- stats ---------- */
.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.stat{
  padding:26px 22px;border-radius:var(--radius);text-align:center;
  background:linear-gradient(180deg,rgba(21,37,64,.9),rgba(11,21,38,.94));
  border:1px solid var(--border);box-shadow:var(--shadow);
}
.stat b{display:block;font-size:30px;font-weight:800;letter-spacing:-.5px;color:#7cc3ff;line-height:1.2}
.stat span{display:block;margin-top:8px;font-size:13.5px;color:var(--muted)}

/* ---------- news ---------- */
.news-layout{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(0,.95fr);gap:26px;align-items:start}
.post-list{display:grid;gap:16px}
.post-item{
  display:grid;grid-template-columns:150px minmax(0,1fr);gap:18px;
  padding:16px;border-radius:var(--radius);
  background:linear-gradient(180deg,var(--surface),rgba(12,22,38,.94));
  border:1px solid var(--border);box-shadow:var(--shadow);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.post-item:hover{transform:translateY(-3px);border-color:rgba(61,157,255,.42);box-shadow:var(--shadow-lg)}
.post-thumb{border-radius:var(--radius-sm);overflow:hidden;aspect-ratio:16/10;background:var(--surface-2)}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.post-item:hover .post-thumb img{transform:scale(1.05)}
.post-meta{display:flex;flex-wrap:wrap;gap:10px;align-items:center;font-size:12.5px;color:var(--muted-dim)}
.post-cat{color:#8df0dd;background:rgba(53,211,182,.12);border:1px solid rgba(53,211,182,.26);padding:2px 10px;border-radius:999px;font-weight:600}
.post-item h3{font-size:16px;font-weight:700;line-height:1.55;margin-top:9px}
.post-item .excerpt{margin-top:8px;font-size:13.5px;color:var(--muted);line-height:1.75}
.empty-note{
  padding:34px;border-radius:var(--radius);text-align:center;
  color:var(--muted);border:1px dashed var(--border-strong);background:rgba(255,255,255,.02);
}
.side-panel{
  padding:26px;border-radius:var(--radius);
  background:linear-gradient(180deg,rgba(21,37,64,.92),rgba(11,21,38,.96));
  border:1px solid var(--border);box-shadow:var(--shadow);
}
.side-panel h3{font-size:16px;font-weight:700;display:flex;align-items:center;gap:9px}
.side-list{margin-top:18px;display:grid;gap:14px}
.side-list li{display:flex;gap:11px;font-size:13.5px;color:var(--muted);line-height:1.7}
.side-list li b{color:#7cc3ff;font-weight:700;flex:0 0 auto}
.side-panel + .side-panel{margin-top:20px}

/* ---------- timeline ---------- */
.timeline{display:grid;gap:0;border-left:2px solid rgba(61,157,255,.28);padding-left:0}
.timeline li{position:relative;padding:0 0 26px 30px}
.timeline li:last-child{padding-bottom:0}
.timeline li::before{
  content:"";position:absolute;left:-7px;top:7px;width:12px;height:12px;border-radius:50%;
  background:var(--bg);border:2px solid var(--primary);box-shadow:0 0 0 4px rgba(61,157,255,.12);
}
.timeline h3{font-size:15.5px;font-weight:700}
.timeline p{margin-top:6px;font-size:13.5px;color:var(--muted);line-height:1.75}

/* ---------- quotes ---------- */
.quote-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.quote{
  padding:26px;border-radius:var(--radius);
  background:linear-gradient(180deg,var(--surface),rgba(12,22,38,.92));
  border:1px solid var(--border);box-shadow:var(--shadow);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.quote:hover{transform:translateY(-4px);border-color:rgba(61,157,255,.4);box-shadow:var(--shadow-lg)}
.quote .mark{font-size:26px;line-height:1;color:rgba(61,157,255,.5);font-weight:800}
.quote p{margin-top:12px;font-size:14px;color:#c3d2e6;line-height:1.85}
.quote footer{margin-top:16px;font-size:12.5px;color:var(--muted-dim);display:flex;align-items:center;gap:8px}
.quote footer::before{content:"";width:16px;height:1px;background:var(--border-strong)}

/* ---------- promise ---------- */
.promise{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  border:1px solid var(--border-strong);padding:40px 34px;
  background:linear-gradient(120deg,rgba(18,34,58,.96),rgba(10,19,33,.96));
  box-shadow:var(--shadow-lg);
}
.promise::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-4.webp');
  background-size:cover;background-position:center;opacity:.16;
}
.promise > *{position:relative;z-index:2}
.promise h2{font-size:clamp(20px,2.2vw,26px);font-weight:750;line-height:1.45}
.promise p{margin-top:12px;font-size:14.5px;color:var(--muted);max-width:700px;line-height:1.85}
.badge-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.pbadge{
  display:inline-flex;align-items:center;gap:9px;
  padding:9px 16px;border-radius:999px;font-size:13.5px;color:#d7e6f8;
  background:rgba(255,255,255,.05);border:1px solid var(--border-strong);
}
.pbadge svg{color:var(--accent)}

/* ---------- faq ---------- */
.faq-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.faq-item{
  padding:24px;border-radius:var(--radius);
  background:linear-gradient(180deg,var(--surface),rgba(12,22,38,.92));
  border:1px solid var(--border);box-shadow:var(--shadow);
  transition:border-color .2s ease,transform .2s ease;
}
.faq-item:hover{border-color:rgba(61,157,255,.38);transform:translateY(-3px)}
.faq-item h3{font-size:15.5px;font-weight:700;line-height:1.6;display:flex;gap:10px}
.faq-item h3::before{
  content:"Q";flex:0 0 auto;width:22px;height:22px;border-radius:7px;display:grid;place-items:center;
  font-size:12px;font-weight:800;color:#04101f;background:linear-gradient(150deg,#7cc3ff,var(--primary));
}
.faq-item p{margin-top:11px;font-size:14px;color:var(--muted);line-height:1.85;padding-left:32px}

/* ---------- cta ---------- */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:var(--radius-lg);padding:56px 40px;text-align:center;
  background:linear-gradient(135deg,rgba(28,68,124,.95),rgba(11,30,54,.96));
  border:1px solid rgba(61,157,255,.32);
  box-shadow:var(--shadow-lg);
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-6.webp');
  background-size:cover;background-position:center;opacity:.14;
}
.cta-band > *{position:relative;z-index:2}
.cta-band h2{font-size:clamp(21px,2.6vw,30px);font-weight:800;letter-spacing:-.2px}
.cta-band p{margin-top:14px;font-size:15px;color:#c0d3e9;max-width:640px;margin-inline:auto;line-height:1.85}
.cta-band .btn{margin-top:26px}

/* ---------- footer ---------- */
.site-footer{border-top:1px solid var(--border);background:rgba(6,12,23,.92);padding:56px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:11px}
.footer-brand .brand-mark{width:32px;height:32px;border-radius:9px}
.footer-brand span{font-size:15.5px;font-weight:700}
.footer-desc{margin-top:15px;font-size:13.5px;color:var(--muted);line-height:1.85;max-width:360px}
.footer-col h3{font-size:13px;font-weight:700;letter-spacing:.12em;color:#8fa6c2;text-transform:uppercase}
.footer-col ul{margin-top:16px;display:grid;gap:11px}
.footer-col a,.footer-col li{font-size:13.5px;color:var(--muted);transition:color .2s ease}
.footer-col a:hover{color:#7cc3ff}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--border);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:12.5px;color:var(--muted-dim);
}

/* ---------- responsive ---------- */
@media (max-width:1080px){
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .grid-4,.match-grid,.stats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .news-layout{grid-template-columns:1fr}
  .mega-panel{width:520px}
}
@media (max-width:960px){
  .main-nav{
    position:absolute;top:64px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:4px;
    padding:14px 20px 20px;
    background:rgba(9,17,31,.985);
    border-bottom:1px solid var(--border-strong);
    box-shadow:var(--shadow-lg);
    display:none;
  }
  .main-nav.open{display:flex}
  .nav-link{padding:12px 14px;font-size:15px;min-height:44px}
  .nav-mega{display:none}
  .header-cta{display:none}
  .nav-toggle{display:flex}
  .grid-3,.channel-grid,.steps,.quote-grid,.faq-grid,.fit-grid,.grid-2{grid-template-columns:1fr}
}
@media (max-width:640px){
  .container{width:min(100% - 28px,var(--container))}
  .hero{padding:52px 0 58px}
  .section{padding:56px 0}
  .hero-lead{font-size:14.5px}
  .grid-4,.match-grid,.stats{grid-template-columns:1fr}
  .post-item{grid-template-columns:1fr}
  .post-thumb{aspect-ratio:16/7}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .promise,.cta-band{padding:34px 22px}
  .card,.step,.quote,.faq-item{padding:22px}
  .btn{width:100%}
  .hero-actions{flex-direction:column;align-items:stretch}
  .stat b{font-size:26px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
  html{scroll-behavior:auto}
}

/* roulang page: article */
:root{
 --bg:#070e1b;
 --bg-soft:#0b1526;
 --surface:#101d32;
 --surface-2:#152540;
 --surface-3:#1a2c4a;
 --border:rgba(146,178,216,.14);
 --border-strong:rgba(146,178,216,.32);
 --text:#e8eff9;
 --muted:#93a7c2;
 --muted-dim:#6f83a0;
 --primary:#3d9dff;
 --primary-deep:#1f6fd0;
 --accent:#35d3b6;
 --gold:#f0b544;
 --radius:14px;
 --radius-sm:10px;
 --radius-lg:20px;
 --shadow:0 10px 26px rgba(2,8,20,.45);
 --shadow-lg:0 22px 52px rgba(2,8,20,.6);
 --container:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
 margin:0;
 font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
 font-size:15px;
 line-height:1.78;
 color:var(--text);
 background:var(--bg);
 background-image:radial-gradient(1100px 520px at 12% -8%,rgba(61,157,255,.16),transparent 62%),radial-gradient(900px 460px at 96% 4%,rgba(53,211,182,.10),transparent 60%);
 background-attachment:fixed;
 -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,figure,blockquote,dl,dd{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px}
.container{width:min(100% - 40px,var(--container));margin-inline:auto}
/* ---------- header ---------- */
.site-header{
 position:sticky;top:0;z-index:70;
 background:rgba(7,14,27,.84);
 backdrop-filter:blur(16px);
 -webkit-backdrop-filter:blur(16px);
 border-bottom:1px solid var(--border);
 transition:box-shadow .25s ease,background .25s ease;
}
.site-header.is-stuck{box-shadow:0 10px 30px rgba(2,8,20,.55);background:rgba(7,14,27,.94)}
.header-inner{display:flex;align-items:center;gap:22px;height:64px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
 width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
 background:linear-gradient(150deg,var(--primary),#1b62b8 70%);
 color:#fff;box-shadow:0 6px 16px rgba(61,157,255,.35);
}
.brand-text{font-size:16.5px;font-weight:700;letter-spacing:.2px;white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:8px}
.nav-link{
 display:inline-flex;align-items:center;gap:6px;
 padding:8px 13px;border-radius:8px;
 font-size:14.5px;font-weight:500;color:var(--muted);
 transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:var(--text);background:rgba(61,157,255,.12)}
.nav-link.is-active{color:#fff;background:rgba(61,157,255,.18)}
.nav-mega{position:relative}
.mega-toggle{display:inline-flex;align-items:center;gap:6px}
.mega-toggle svg{transition:transform .2s ease}
.nav-mega:hover .mega-toggle svg,.nav-mega:focus-within .mega-toggle svg,.nav-mega.is-open .mega-toggle svg{transform:rotate(180deg)}
.mega-panel{
 position:absolute;top:calc(100% + 12px);right:0;width:620px;
 display:grid;grid-template-columns:1fr 1fr;gap:26px;
 padding:24px;
 background:linear-gradient(180deg,#142238,#0d1929);
 border:1px solid var(--border-strong);
 border-radius:var(--radius);
 box-shadow:var(--shadow-lg);
 opacity:0;visibility:hidden;transform:translateY(-8px);
 transition:opacity .2s ease,transform .2s ease,visibility .2s ease;
}
.nav-mega:hover .mega-panel,.nav-mega:focus-within .mega-panel,.nav-mega.is-open .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-title{font-size:12px;letter-spacing:.14em;color:var(--muted-dim);font-weight:700;margin-bottom:12px;text-transform:uppercase}
.mega-col a{
 display:block;padding:8px 10px;margin:0 -10px;border-radius:8px;
 font-size:14px;color:var(--muted);line-height:1.6;
 transition:background .2s ease,color .2s ease;
}
.mega-col a:hover{background:rgba(61,157,255,.14);color:#fff}
.header-cta{
 margin-left:auto;display:inline-flex;align-items:center;gap:8px;
 padding:9px 18px;border-radius:9px;font-size:14px;font-weight:600;color:#04101f;
 background:linear-gradient(150deg,#57b2ff,var(--primary));
 box-shadow:0 8px 20px rgba(61,157,255,.3);
 transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.header-cta:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(61,157,255,.42);filter:brightness(1.06)}
.nav-toggle{
 display:none;margin-left:auto;width:42px;height:42px;border-radius:10px;
 border:1px solid var(--border-strong);align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.nav-toggle span{display:block;width:17px;height:2px;border-radius:2px;background:var(--text);transition:transform .2s ease,opacity .2s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
/* ---------- buttons ---------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:9px;
 padding:13px 26px;border-radius:9px;font-size:15px;font-weight:600;
 transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease;
}
.btn-primary{
 color:#04101f;background:linear-gradient(150deg,#58b3ff,var(--primary));
 box-shadow:0 12px 28px rgba(61,157,255,.32);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(61,157,255,.45)}
.btn-ghost{color:var(--text);border:1px solid var(--border-strong);background:rgba(255,255,255,.03)}
.btn-ghost:hover{border-color:rgba(61,157,255,.6);color:#fff;transform:translateY(-2px);background:rgba(61,157,255,.1)}
.btn-sm{padding:9px 18px;font-size:13.5px;border-radius:8px}
/* ---------- page ---------- */
.page-main{padding:30px 0 76px}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted-dim);margin-bottom:24px}
.breadcrumb a{transition:color .2s ease}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{opacity:.45}
.breadcrumb .current{color:var(--muted);max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
/* ---------- article head ---------- */
.article-hero{
 display:grid;grid-template-columns:minmax(0,1.18fr) minmax(0,.82fr);gap:44px;align-items:center;
 padding:32px 0 44px;border-bottom:1px solid var(--border);margin-bottom:42px;
}
.eyebrow{
 display:inline-flex;align-items:center;gap:8px;
 padding:6px 14px;border-radius:999px;
 font-size:12.5px;font-weight:600;letter-spacing:.06em;
 color:#a9e6ff;background:rgba(61,157,255,.14);
 border:1px solid rgba(61,157,255,.32);
}
.article-title{font-size:36px;line-height:1.34;font-weight:800;letter-spacing:-.2px;margin:18px 0 16px}
.article-lead{font-size:15.5px;line-height:1.85;color:var(--muted);max-width:640px}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;margin-top:22px;font-size:13px;color:var(--muted-dim)}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--muted-dim);display:inline-block}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.tag{
 display:inline-flex;align-items:center;gap:6px;
 padding:5px 12px;border-radius:999px;font-size:12.5px;font-weight:600;
 color:#a9e6ff;background:rgba(61,157,255,.1);border:1px solid rgba(61,157,255,.26);
}
.tag.is-accent{color:#9df0dd;background:rgba(53,211,182,.1);border-color:rgba(53,211,182,.3)}
.tag.is-gold{color:#ffd48a;background:rgba(240,181,68,.1);border-color:rgba(240,181,68,.3)}
.hero-figure{
 position:relative;border-radius:var(--radius-lg);overflow:hidden;
 border:1px solid var(--border-strong);box-shadow:var(--shadow-lg);
}
.hero-figure img{width:100%;aspect-ratio:16/11;object-fit:cover}
.hero-figure::after{
 content:"";position:absolute;inset:0;
 background:linear-gradient(180deg,rgba(7,14,27,0) 42%,rgba(7,14,27,.82) 100%);
}
.hero-figure figcaption{
 position:absolute;left:16px;right:16px;bottom:14px;z-index:2;
 font-size:12.5px;color:#cfe1f6;letter-spacing:.02em;
}
/* ---------- highlight strip ---------- */
.highlight-strip{
 display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;
 margin-bottom:44px;
}
.hl-card{
 display:flex;gap:14px;align-items:flex-start;
 padding:18px 20px;border-radius:var(--radius);
 background:linear-gradient(160deg,rgba(21,37,64,.92),rgba(13,25,41,.92));
 border:1px solid var(--border);box-shadow:var(--shadow);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.hl-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:rgba(61,157,255,.4)}
.hl-icon{
 flex-shrink:0;width:38px;height:38px;border-radius:11px;display:grid;place-items:center;
 color:#a9e6ff;background:rgba(61,157,255,.14);border:1px solid rgba(61,157,255,.28);
}
.hl-card h3{font-size:14.5px;font-weight:700;margin-bottom:4px}
.hl-card p{font-size:13px;line-height:1.7;color:var(--muted-dim)}
/* ---------- article layout ---------- */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:36px;align-items:start}
.article-panel{
 background:linear-gradient(180deg,rgba(18,32,54,.94),rgba(12,23,38,.94));
 border:1px solid var(--border);border-radius:var(--radius-lg);
 box-shadow:var(--shadow);padding:34px 36px;
}
.prose{font-size:15.5px;line-height:1.88;color:#c8d6e8}
.prose > *:first-child{margin-top:0}
.prose h2{
 font-size:23px;line-height:1.42;font-weight:700;color:#f2f7ff;
 margin:36px 0 15px;padding-left:15px;border-left:4px solid var(--primary);
 letter-spacing:-.1px;
}
.prose h3{font-size:18px;font-weight:700;color:#e2edfb;margin:26px 0 10px}
.prose h4{font-size:16px;font-weight:700;color:#dbe9fb;margin:20px 0 8px}
.prose p{margin:0 0 17px}
.prose ul,.prose ol{margin:0 0 18px;padding-left:24px;list-style:disc}
.prose ol{list-style:decimal}
.prose li{margin-bottom:8px}
.prose a{color:#7cc0ff;text-decoration:underline;text-underline-offset:3px}
.prose a:hover{color:#a9e6ff}
.prose strong{color:#fff;font-weight:700}
.prose img{border-radius:var(--radius);margin:22px 0;border:1px solid var(--border)}
.prose blockquote{
 margin:22px 0;padding:15px 20px;
 border-left:3px solid var(--accent);border-radius:0 var(--radius-sm) var(--radius-sm) 0;
 background:rgba(53,211,182,.07);color:#bcdcd6;
}
.prose table{width:100%;border-collapse:collapse;margin:22px 0;font-size:14px}
.prose th,.prose td{border:1px solid var(--border);padding:9px 13px;text-align:left;vertical-align:top}
.prose th{background:rgba(61,157,255,.12);color:#e8eff9;font-weight:700}
.prose hr{border:0;border-top:1px solid var(--border);margin:30px 0}
.prose code{background:rgba(61,157,255,.14);border-radius:6px;padding:2px 6px;font-size:13.5px;color:#a9e6ff}
/* empty state */
.empty-state{text-align:center;padding:56px 20px}
.empty-state h2{font-size:22px;font-weight:700;margin-bottom:12px}
.empty-state p{color:var(--muted);font-size:14.5px;margin-bottom:24px}
/* ---------- side cards ---------- */
.side-card{
 background:linear-gradient(180deg,rgba(21,37,64,.94),rgba(13,25,41,.94));
 border:1px solid var(--border);border-radius:var(--radius);
 padding:22px;box-shadow:var(--shadow);margin-bottom:20px;
 transition:border-color .2s ease,box-shadow .2s ease;
}
.side-card:hover{border-color:var(--border-strong);box-shadow:var(--shadow-lg)}
.side-head{display:flex;align-items:center;gap:9px;margin-bottom:16px}
.side-head h3{font-size:15px;font-weight:700}
.side-head .bar{width:3px;height:15px;border-radius:2px;background:linear-gradient(180deg,var(--primary),var(--accent))}
.meta-rows{display:grid;gap:12px;font-size:13.5px}
.meta-rows .row{display:flex;justify-content:space-between;gap:14px;padding-bottom:11px;border-bottom:1px dashed var(--border)}
.meta-rows .row:last-child{border-bottom:0;padding-bottom:0}
.meta-rows .k{color:var(--muted-dim);flex-shrink:0}
.meta-rows .v{color:#dbe9fb;font-weight:600;text-align:right;word-break:break-word}
.side-list{display:grid;gap:4px}
.side-list a{
 display:block;padding:10px 12px;margin:0 -4px;border-radius:9px;
 font-size:13.5px;line-height:1.65;color:var(--muted);
 transition:background .2s ease,color .2s ease,transform .2s ease;
}
.side-list a:hover{background:rgba(61,157,255,.12);color:#fff;transform:translateX(2px)}
.side-tip{
 font-size:13px;line-height:1.75;color:var(--muted-dim);
 border-left:3px solid var(--gold);padding-left:12px;margin-top:4px;
}
.side-cta{display:flex;flex-direction:column;gap:10px;margin-top:6px}
.side-cta .btn{width:100%}
/* ---------- sections ---------- */
.section{padding:56px 0;border-top:1px solid var(--border)}
.section-soft{background:linear-gradient(180deg,rgba(11,21,38,.75),rgba(7,14,27,0));border-top:1px solid var(--border)}
.section-head{max-width:720px;margin-bottom:30px}
.section-kicker{
 display:inline-flex;align-items:center;gap:8px;
 font-size:12.5px;font-weight:700;letter-spacing:.14em;color:#8fd0ff;text-transform:uppercase;
 margin-bottom:12px;
}
.section-kicker::before{content:"";width:22px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--primary),var(--accent))}
.section-title{font-size:26px;line-height:1.4;font-weight:800;letter-spacing:-.2px}
.section-desc{margin-top:12px;font-size:14.5px;line-height:1.8;color:var(--muted)}
/* scenario cards */
.scene-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.scene-card{
 position:relative;padding:24px 22px;border-radius:var(--radius);
 background:linear-gradient(165deg,rgba(21,37,64,.9),rgba(13,25,41,.95));
 border:1px solid var(--border);box-shadow:var(--shadow);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(61,157,255,.42)}
.scene-card .num{
 font-size:12px;font-weight:800;letter-spacing:.1em;color:var(--primary);margin-bottom:12px;display:block;
}
.scene-card h3{font-size:16px;font-weight:700;margin-bottom:9px}
.scene-card p{font-size:13.5px;line-height:1.75;color:var(--muted)}
.scene-card .tag{margin-top:14px}
/* news list */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.news-card{
 display:flex;flex-direction:column;overflow:hidden;
 border-radius:var(--radius);border:1px solid var(--border);
 background:linear-gradient(180deg,rgba(21,37,64,.9),rgba(13,25,41,.95));
 box-shadow:var(--shadow);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(61,157,255,.42)}
.news-card .thumb{position:relative;overflow:hidden}
.news-card .thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .35s ease}
.news-card:hover .thumb img{transform:scale(1.05)}
.news-card .body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-card h3{font-size:16px;line-height:1.55;font-weight:700}
.news-card p{font-size:13.5px;line-height:1.72;color:var(--muted-dim);flex:1}
.news-card .more{font-size:13px;font-weight:700;color:#7cc0ff;display:inline-flex;align-items:center;gap:6px}
/* faq */
.faq-list{display:grid;gap:12px;max-width:920px}
.faq-item{
 border:1px solid var(--border);border-radius:var(--radius);
 background:linear-gradient(180deg,rgba(21,37,64,.86),rgba(13,25,41,.92));
 transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:rgba(61,157,255,.42);box-shadow:var(--shadow)}
.faq-item summary{
 cursor:pointer;list-style:none;padding:17px 20px;
 font-size:15px;font-weight:600;display:flex;align-items:center;justify-content:space-between;gap:14px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
 content:"+";font-size:19px;font-weight:400;color:var(--primary);line-height:1;transition:transform .2s ease;
}
.faq-item[open] summary::after{content:"−"}
.faq-item .faq-body{padding:0 20px 19px;font-size:14px;line-height:1.82;color:var(--muted)}
/* cta band */
.cta-band{
 position:relative;overflow:hidden;margin-top:8px;
 border-radius:var(--radius-lg);border:1px solid var(--border-strong);
 padding:44px 40px;
 background-image:linear-gradient(110deg,rgba(7,14,27,.95),rgba(16,34,58,.86)),url('/assets/images/backpic/back-5.webp');
 background-size:cover;background-position:center;
 box-shadow:var(--shadow-lg);
 display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-band h2{font-size:25px;font-weight:800;line-height:1.42;letter-spacing:-.2px}
.cta-band p{margin-top:10px;font-size:14.5px;line-height:1.8;color:var(--muted);max-width:620px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}
/* ---------- footer ---------- */
.site-footer{border-top:1px solid var(--border);background:rgba(5,11,21,.72);padding:52px 0 26px;margin-top:20px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:700;margin-bottom:14px}
.footer-desc{font-size:13.5px;line-height:1.85;color:var(--muted-dim);max-width:420px}
.footer-col h3{font-size:14px;font-weight:700;margin-bottom:14px;color:#dbe9fb;letter-spacing:.02em}
.footer-col ul{display:grid;gap:9px}
.footer-col a{font-size:13.5px;color:var(--muted);transition:color .2s ease,transform .2s ease;display:inline-block}
.footer-col a:hover{color:#fff;transform:translateX(2px)}
.footer-bottom{
 margin-top:36px;padding-top:20px;border-top:1px solid var(--border);
 display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
 font-size:12.5px;color:var(--muted-dim);
}
/* ---------- responsive ---------- */
@media (max-width:1024px){
 .article-hero{grid-template-columns:minmax(0,1fr);gap:30px;padding-bottom:36px}
 .hero-figure{order:-1}
 .hero-figure img{aspect-ratio:16/8}
 .article-title{font-size:31px}
 .article-layout{grid-template-columns:minmax(0,1fr)}
 .highlight-strip{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
 .scene-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
 .news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
 .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
 .mega-panel{width:520px;padding:20px;gap:20px}
}
@media (max-width:860px){
 .nav-toggle{display:flex}
 .header-cta{display:none}
 .main-nav{
  position:absolute;left:0;right:0;top:64px;
  flex-direction:column;align-items:stretch;gap:4px;margin:0;padding:14px 20px 20px;
  background:rgba(9,17,31,.98);border-bottom:1px solid var(--border);
  box-shadow:0 18px 34px rgba(2,8,20,.55);
  display:none;
 }
 .main-nav.is-open{display:flex}
 .nav-link{padding:12px 14px;font-size:15px;border-radius:9px;min-height:44px}
 .nav-mega{width:100%}
 .mega-toggle{width:100%;justify-content:space-between}
 .mega-panel{
  position:static;width:100%;opacity:1;visibility:visible;transform:none;
  display:none;box-shadow:none;margin-top:6px;background:rgba(16,29,50,.9);
 }
 .nav-mega.is-open .mega-panel{display:grid;grid-template-columns:1fr;gap:14px}
 .header-inner{position:relative}
}
@media (max-width:768px){
 .container{width:min(100% - 32px,var(--container))}
 .page-main{padding:22px 0 56px}
 .article-title{font-size:27px;line-height:1.4}
 .article-lead{font-size:14.5px}
 .highlight-strip{grid-template-columns:1fr}
 .article-panel{padding:24px 20px}
 .prose h2{font-size:20px}
 .prose{font-size:15px}
 .section{padding:44px 0}
 .section-title{font-size:22px}
 .news-grid{grid-template-columns:1fr}
 .scene-grid{grid-template-columns:1fr}
 .cta-band{padding:30px 22px}
 .cta-band h2{font-size:21px}
 .footer-grid{grid-template-columns:1fr;gap:26px}
 .footer-bottom{justify-content:flex-start}
}
@media (max-width:520px){
 .brand-text{font-size:14.5px;white-space:normal;line-height:1.3;max-width:190px}
 .article-title{font-size:23px}
 .btn{width:100%}
 .cta-actions{width:100%}
 .hl-card{padding:16px}
 .breadcrumb .current{max-width:220px}
}

/* roulang page: category1 */
:root{
 --bg:#070e1b;
 --bg-soft:#0b1526;
 --surface:#101d32;
 --surface-2:#152540;
 --surface-3:#1a2c4a;
 --border:rgba(146,178,216,.14);
 --border-strong:rgba(146,178,216,.32);
 --text:#e8eff9;
 --muted:#93a7c2;
 --muted-dim:#6f83a0;
 --primary:#3d9dff;
 --primary-deep:#1f6fd0;
 --accent:#35d3b6;
 --gold:#f0b544;
 --radius:14px;
 --radius-sm:10px;
 --radius-lg:20px;
 --shadow:0 10px 26px rgba(2,8,20,.45);
 --shadow-lg:0 22px 52px rgba(2,8,20,.6);
 --container:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
 margin:0;
 font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
 font-size:15px;
 line-height:1.78;
 color:var(--text);
 background:var(--bg);
 background-image:radial-gradient(1100px 520px at 12% -8%,rgba(61,157,255,.16),transparent 62%),radial-gradient(900px 460px at 96% 4%,rgba(53,211,182,.10),transparent 60%);
 background-attachment:fixed;
 -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3,h4{margin:0;line-height:1.32;font-weight:700;letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px}
.container{width:min(100% - 40px,var(--container));margin-inline:auto}
/* ---------- header ---------- */
.site-header{
 position:sticky;top:0;z-index:70;
 background:rgba(7,14,27,.84);
 backdrop-filter:blur(16px);
 -webkit-backdrop-filter:blur(16px);
 border-bottom:1px solid var(--border);
 transition:box-shadow .25s ease,background .25s ease;
}
.site-header.is-stuck{box-shadow:0 10px 30px rgba(2,8,20,.55);background:rgba(7,14,27,.94)}
.header-inner{display:flex;align-items:center;gap:22px;height:64px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
 width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
 background:linear-gradient(150deg,var(--primary),#1b62b8 70%);
 color:#fff;box-shadow:0 6px 16px rgba(61,157,255,.35);
}
.brand-text{font-size:16.5px;font-weight:700;letter-spacing:.2px;white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:8px}
.nav-link{
 display:inline-flex;align-items:center;gap:6px;
 padding:8px 13px;border-radius:8px;
 font-size:14.5px;font-weight:500;color:var(--muted);
 transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:var(--text);background:rgba(61,157,255,.12)}
.nav-link.is-active{color:#fff;background:rgba(61,157,255,.18)}
.nav-mega{position:relative}
.mega-toggle{display:inline-flex;align-items:center;gap:6px}
.mega-toggle svg{transition:transform .2s ease}
.nav-mega:hover .mega-toggle svg,.nav-mega:focus-within .mega-toggle svg{transform:rotate(180deg)}
.mega-panel{
 position:absolute;top:calc(100% + 12px);right:0;width:620px;
 display:grid;grid-template-columns:1fr 1fr;gap:26px;
 padding:24px;
 background:linear-gradient(180deg,#142238,#0d1929);
 border:1px solid var(--border-strong);
 border-radius:var(--radius);
 box-shadow:var(--shadow-lg);
 opacity:0;visibility:hidden;transform:translateY(-8px);
 transition:opacity .2s ease,transform .2s ease,visibility .2s ease;
}
.nav-mega:hover .mega-panel,.nav-mega:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-title{font-size:12px;letter-spacing:.14em;color:var(--muted-dim);font-weight:700;margin-bottom:12px;text-transform:uppercase}
.mega-col a{
 display:block;padding:8px 10px;margin:0 -10px;border-radius:8px;
 font-size:14px;color:var(--muted);line-height:1.6;
 transition:background .2s ease,color .2s ease;
}
.mega-col a:hover{background:rgba(61,157,255,.14);color:#fff}
.header-cta{
 margin-left:auto;display:inline-flex;align-items:center;gap:8px;
 padding:9px 18px;border-radius:9px;font-size:14px;font-weight:600;color:#04101f;
 background:linear-gradient(150deg,#57b2ff,var(--primary));
 box-shadow:0 8px 20px rgba(61,157,255,.3);
 transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.header-cta:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(61,157,255,.42);filter:brightness(1.06)}
.nav-toggle{
 display:none;margin-left:auto;width:42px;height:42px;border-radius:10px;
 border:1px solid var(--border-strong);align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.nav-toggle span{display:block;width:17px;height:2px;border-radius:2px;background:var(--text);transition:transform .2s ease,opacity .2s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
/* ---------- buttons ---------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:9px;
 padding:13px 26px;border-radius:9px;font-size:15px;font-weight:600;
 transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease;
}
.btn-primary{
 color:#04101f;background:linear-gradient(150deg,#58b3ff,var(--primary));
 box-shadow:0 12px 28px rgba(61,157,255,.32);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(61,157,255,.45)}
.btn-ghost{color:var(--text);border:1px solid var(--border-strong);background:rgba(255,255,255,.03)}
.btn-ghost:hover{border-color:rgba(61,157,255,.6);color:#fff;transform:translateY(-2px);background:rgba(61,157,255,.1)}
.btn-sm{padding:9px 18px;font-size:13.5px;border-radius:8px}
.tag-row{display:flex;flex-wrap:wrap;gap:9px;margin-top:26px}
.tag{
 display:inline-flex;align-items:center;gap:6px;
 padding:6px 13px;border-radius:999px;font-size:12.5px;font-weight:600;
 color:#a9c8e8;background:rgba(255,255,255,.045);border:1px solid var(--border);
}
/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;padding:66px 0 74px;border-bottom:1px solid var(--border)}
.hero::before{
 content:"";position:absolute;inset:0;
 background-image:url('/assets/images/backpic/back-3.webp');
 background-size:cover;background-position:center;opacity:.26;
}
.hero::after{
 content:"";position:absolute;inset:0;
 background:linear-gradient(100deg,rgba(7,14,27,.97) 0%,rgba(7,14,27,.88) 48%,rgba(7,14,27,.66) 100%);
}
.hero .container{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(0,.92fr);gap:50px;align-items:center}
.eyebrow{
 display:inline-flex;align-items:center;gap:8px;
 padding:6px 14px;border-radius:999px;
 font-size:12.5px;font-weight:600;letter-spacing:.06em;
 color:#a9e6ff;background:rgba(61,157,255,.14);
 border:1px solid rgba(61,157,255,.32);
}
.hero h1{font-size:clamp(27px,3.4vw,41px);line-height:1.24;margin:20px 0 16px}
.hero-sub{color:var(--muted);font-size:15.5px;line-height:1.8;max-width:34em}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.crumbs{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--muted-dim);margin-bottom:16px;flex-wrap:wrap}
.crumbs a:hover{color:var(--primary)}
.crumbs span{opacity:.6}
/* ---------- pick card ---------- */
.pick-card{
 background:linear-gradient(180deg,#132banchor,#0e1b2e);
 background:linear-gradient(180deg,#13243c,#0d1929);
 border:1px solid var(--border-strong);
 border-radius:var(--radius-lg);
 box-shadow:var(--shadow-lg);
 padding:24px;
}
.pick-head h2{font-size:17px;margin-bottom:6px}
.pick-head p{font-size:13px;color:var(--muted-dim)}
.pick-option{
 margin-top:16px;padding:16px 18px;border-radius:var(--radius-sm);
 background:rgba(255,255,255,.035);
 border:1px solid var(--border);
 transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.pick-option:hover{border-color:var(--border-strong);transform:translateY(-2px)}
.pick-option.is-rec{
 background:linear-gradient(160deg,rgba(61,157,255,.16),rgba(53,211,182,.07));
 border-color:rgba(61,157,255,.5);
 box-shadow:0 12px 28px rgba(31,111,208,.24);
}
.pick-option-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:8px}
.pick-option-head strong{font-size:15px}
.badge{
 display:inline-flex;align-items:center;padding:3px 10px;border-radius:999px;
 font-size:11.5px;font-weight:700;letter-spacing:.04em;
}
.badge-rec{color:#04121f;background:linear-gradient(150deg,#57e2c8,#35d3b6)}
.badge-plain{color:var(--muted);background:rgba(255,255,255,.07);border:1px solid var(--border)}
.pick-option p{font-size:13.5px;color:var(--muted);line-height:1.7}
.pick-list{margin-top:10px;display:grid;gap:6px}
.pick-list li{font-size:13px;color:var(--muted);padding-left:16px;position:relative}
.pick-list li::before{
 content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;
 background:var(--accent);opacity:.85;
}
.pick-btn{width:100%;margin-top:18px}
.pick-note{margin-top:10px;font-size:12px;color:var(--muted-dim);text-align:center}
/* ---------- sections ---------- */
.section{padding:70px 0;border-bottom:1px solid var(--border)}
.section--soft{background:var(--bg-soft)}
.section--tight{padding:56px 0}
.section-head{max-width:760px;margin-bottom:34px}
.section-kicker{
 display:inline-flex;align-items:center;gap:8px;
 font-size:12.5px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;
 color:var(--primary);margin-bottom:12px;
}
.section-kicker::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--primary);opacity:.8}
.section-title{font-size:clamp(21px,2.5vw,27px);margin-bottom:12px}
.section-desc{color:var(--muted);font-size:14.5px;line-height:1.82}
/* ---------- cards ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
.card{
 background:linear-gradient(180deg,var(--surface),var(--bg-soft));
 border:1px solid var(--border);
 border-radius:var(--radius);
 padding:24px;
 box-shadow:var(--shadow);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--border-strong)}
.card-icon{
 width:40px;height:40px;border-radius:11px;display:grid;place-items:center;
 background:rgba(61,157,255,.14);color:#7dc0ff;border:1px solid rgba(61,157,255,.24);
 margin-bottom:16px;
}
.card h3{font-size:16.5px;margin-bottom:10px}
.card p{color:var(--muted);font-size:14px;line-height:1.8}
.card-tag{
 display:inline-flex;align-items:center;margin-top:16px;
 padding:4px 11px;border-radius:6px;font-size:11.5px;font-weight:700;
 color:#8fd8ff;background:rgba(61,157,255,.12);border:1px solid rgba(61,157,255,.24);
}
/* ---------- split / figure ---------- */
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:44px;align-items:center}
.figure{
 border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--border-strong);
 box-shadow:var(--shadow-lg);background:var(--surface);
}
.figure img{width:100%;aspect-ratio:16/10;object-fit:cover}
.split-body h2{font-size:clamp(20px,2.4vw,26px);margin-bottom:14px}
.split-body p{color:var(--muted);font-size:14.5px;line-height:1.85;margin-bottom:14px}
.check-list{display:grid;gap:11px;margin-top:6px}
.check-list li{
 display:flex;gap:11px;align-items:flex-start;
 font-size:14px;color:var(--muted);line-height:1.75;
}
.check-list li b{color:var(--text);font-weight:600}
.check-dot{
 flex:0 0 auto;margin-top:6px;width:16px;height:16px;border-radius:50%;
 background:rgba(53,211,182,.16);border:1px solid rgba(53,211,182,.5);
 position:relative;
}
.check-dot::after{
 content:"";position:absolute;left:4.5px;top:2px;width:5px;height:9px;
 border-right:1.8px solid var(--accent);border-bottom:1.8px solid var(--accent);
 transform:rotate(42deg);
}
/* ---------- stats ---------- */
.stats{
 display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-top:34px;
 padding:22px;border-radius:var(--radius);
 background:rgba(255,255,255,.03);border:1px solid var(--border);
}
.stat-num{font-size:22px;font-weight:700;color:#8fd0ff;line-height:1.3}
.stat-label{font-size:12.5px;color:var(--muted-dim);margin-top:4px}
/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;counter-reset:step}
.step{
 position:relative;padding:26px 24px 24px;
 background:linear-gradient(180deg,var(--surface-2),var(--bg-soft));
 border:1px solid var(--border);border-radius:var(--radius);
 transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.step:hover{transform:translateY(-4px);border-color:var(--border-strong);box-shadow:var(--shadow-lg)}
.step::before{
 counter-increment:step;content:"0" counter(step);
 display:block;font-size:26px;font-weight:700;letter-spacing:.02em;
 color:rgba(61,157,255,.55);margin-bottom:12px;
}
.step h3{font-size:16px;margin-bottom:10px}
.step p{color:var(--muted);font-size:14px;line-height:1.8}
/* ---------- timeline ---------- */
.timeline{display:grid;gap:0;border-left:1px solid var(--border-strong);margin-left:8px}
.tl-item{position:relative;padding:0 0 26px 26px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
 content:"";position:absolute;left:-5.5px;top:8px;width:10px;height:10px;border-radius:50%;
 background:var(--primary);box-shadow:0 0 0 4px rgba(61,157,255,.16);
}
.tl-item h3{font-size:15.5px;margin-bottom:6px}
.tl-item p{color:var(--muted);font-size:14px;line-height:1.78}
.tl-time{display:inline-block;font-size:12px;font-weight:700;color:var(--gold);letter-spacing:.05em;margin-bottom:6px}
/* ---------- table ---------- */
.table-wrap{
 border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;
 background:linear-gradient(180deg,var(--surface),var(--bg-soft));box-shadow:var(--shadow);
}
table{width:100%;border-collapse:collapse;font-size:14px}
th,td{text-align:left;padding:14px 18px;border-bottom:1px solid var(--border)}
th{font-size:12.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted-dim);font-weight:700;background:rgba(255,255,255,.03)}
td{color:var(--muted)}
td:first-child{color:var(--text);font-weight:600}
tbody tr:last-child th,tbody tr:last-child td{border-bottom:0}
tbody tr{transition:background .2s ease}
tbody tr:hover{background:rgba(61,157,255,.06)}
/* ---------- testimonials ---------- */
.quote{
 background:linear-gradient(180deg,var(--surface),var(--bg-soft));
 border:1px solid var(--border);border-radius:var(--radius);padding:24px;
 box-shadow:var(--shadow);transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.quote:hover{transform:translateY(-3px);border-color:var(--border-strong);box-shadow:var(--shadow-lg)}
.quote p{color:var(--muted);font-size:14px;line-height:1.82}
.quote-meta{display:flex;align-items:center;gap:12px;margin-top:18px}
.avatar{
 width:36px;height:36px;border-radius:50%;display:grid;place-items:center;
 font-size:13px;font-weight:700;color:#04121f;
 background:linear-gradient(150deg,#8fd0ff,var(--primary));
}
.quote-name{font-size:13.5px;font-weight:600}
.quote-role{font-size:12px;color:var(--muted-dim)}
/* ---------- news ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.news-card{
 display:flex;flex-direction:column;
 background:linear-gradient(180deg,var(--surface),var(--bg-soft));
 border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;
 box-shadow:var(--shadow);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--border-strong)}
.news-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--surface-3)}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.news-card:hover .news-thumb img{transform:scale(1.05)}
.news-body{padding:20px;display:flex;flex-direction:column;gap:9px;flex:1}
.news-tag{
 align-self:flex-start;padding:3px 10px;border-radius:6px;font-size:11.5px;font-weight:700;
 color:#8fd8ff;background:rgba(61,157,255,.12);border:1px solid rgba(61,157,255,.24);
}
.news-body h3{font-size:15.5px;line-height:1.55}
.news-body p{color:var(--muted);font-size:13.5px;line-height:1.72}
.news-date{font-size:12px;color:var(--muted-dim);margin-top:auto;padding-top:6px}
.news-empty{
 padding:40px 24px;text-align:center;color:var(--muted-dim);font-size:14px;
 border:1px dashed var(--border-strong);border-radius:var(--radius);background:rgba(255,255,255,.02);
}
/* ---------- faq ---------- */
.faq{display:grid;gap:14px;max-width:900px}
.faq-item{
 background:linear-gradient(180deg,var(--surface),var(--bg-soft));
 border:1px solid var(--border);border-radius:var(--radius-sm);
 padding:0 22px;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:var(--border-strong);box-shadow:var(--shadow)}
.faq-item summary{
 list-style:none;cursor:pointer;padding:18px 0;
 display:flex;align-items:center;justify-content:space-between;gap:16px;
 font-size:15px;font-weight:600;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
 content:"+";font-size:19px;font-weight:400;color:var(--primary);
 transition:transform .2s ease;
}
.faq-item[open] summary::after{content:"–";transform:rotate(0deg)}
.faq-item p{padding:0 0 20px;color:var(--muted);font-size:14px;line-height:1.85}
/* ---------- cta ---------- */
.cta-band{
 position:relative;overflow:hidden;
 border:1px solid var(--border-strong);border-radius:var(--radius-lg);
 padding:44px;display:flex;align-items:center;justify-content:space-between;gap:32px;
 background:linear-gradient(120deg,rgba(31,111,208,.28),rgba(53,211,182,.12)),var(--surface);
 box-shadow:var(--shadow-lg);
}
.cta-band h2{font-size:clamp(20px,2.4vw,26px);margin-bottom:10px}
.cta-band p{color:var(--muted);font-size:14.5px;max-width:46em}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;flex-shrink:0}
/* ---------- footer ---------- */
.site-footer{
 background:linear-gradient(180deg,var(--bg-soft),#050b14);
 border-top:1px solid var(--border);
 padding:56px 0 26px;
 margin-top:0;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px;padding-bottom:34px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:700;margin-bottom:14px}
.footer-desc{color:var(--muted);font-size:13.5px;line-height:1.85;max-width:34em}
.footer-col h3{font-size:13px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted-dim);margin-bottom:14px}
.footer-col ul{display:grid;gap:9px}
.footer-col a{font-size:13.5px;color:var(--muted);transition:color .2s ease,padding-left .2s ease}
.footer-col a:hover{color:var(--primary);padding-left:4px}
.footer-bottom{
 display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
 padding-top:22px;border-top:1px solid var(--border);
 font-size:12.5px;color:var(--muted-dim);
}
/* ---------- responsive ---------- */
@media (max-width:1024px){
 .header-inner{height:60px}
 .nav-toggle{display:flex}
 .header-cta{display:none}
 .main-nav{
  position:absolute;left:0;right:0;top:60px;margin:0;
  flex-direction:column;align-items:stretch;gap:4px;
  padding:14px 20px 20px;
  background:rgba(9,17,32,.99);
  border-bottom:1px solid var(--border-strong);
  box-shadow:var(--shadow-lg);
  display:none;max-height:calc(100vh - 60px);overflow-y:auto;
 }
 .main-nav.is-open{display:flex}
 .nav-link{width:100%;justify-content:space-between;padding:12px 12px;font-size:15px;min-height:44px}
 .nav-mega{width:100%}
 .mega-panel{
  position:static;width:100%;grid-template-columns:1fr;gap:18px;
  padding:16px;margin-top:6px;
  opacity:1;visibility:visible;transform:none;display:none;box-shadow:none;
  background:rgba(255,255,255,.03);
 }
 .nav-mega.is-open .mega-panel{display:grid}
 .hero{padding:48px 0 56px}
 .hero-grid{grid-template-columns:1fr;gap:34px}
 .hero-sub{max-width:none}
 .split{grid-template-columns:1fr;gap:28px}
 .grid-3,.steps,.news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
 .stats{grid-template-columns:repeat(2,minmax(0,1fr))}
 .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
 .cta-band{flex-direction:column;align-items:flex-start;padding:34px}
}
@media (max-width:768px){
 .section{padding:54px 0}
 .grid-3,.grid-2,.steps,.news-grid{grid-template-columns:1fr}
 .card,.step,.quote{padding:20px}
 .footer-grid{grid-template-columns:1fr}
 .hero h1{margin-top:16px}
 .faq-item{padding:0 18px}
 .faq-item summary{font-size:14.5px}
}
@media (max-width:520px){
 .container{width:calc(100% - 32px)}
 .brand-text{font-size:15px}
 .hero{padding:38px 0 46px}
 .hero-actions .btn{width:100%}
 .stats{grid-template-columns:1fr;padding:18px}
 th,td{padding:12px 13px;font-size:13px}
 .cta-band{padding:26px}
 .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}

/* roulang page: category2 */
:root{
 --bg:#070e1b;
 --bg-soft:#0b1526;
 --surface:#101d32;
 --surface-2:#152540;
 --surface-3:#1a2c4a;
 --border:rgba(146,178,216,.14);
 --border-strong:rgba(146,178,216,.32);
 --text:#e8eff9;
 --muted:#93a7c2;
 --muted-dim:#6f83a0;
 --primary:#3d9dff;
 --primary-deep:#1f6fd0;
 --accent:#35d3b6;
 --gold:#f0b544;
 --radius:14px;
 --radius-sm:10px;
 --radius-lg:20px;
 --shadow:0 10px 26px rgba(2,8,20,.45);
 --shadow-lg:0 22px 52px rgba(2,8,20,.6);
 --container:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
 margin:0;
 font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
 font-size:15px;line-height:1.78;color:var(--text);background:var(--bg);
 background-image:radial-gradient(1100px 520px at 12% -8%,rgba(61,157,255,.16),transparent 62%),radial-gradient(900px 460px at 96% 4%,rgba(53,211,182,.10),transparent 60%);
 background-attachment:fixed;-webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.32;letter-spacing:.2px}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px}
.container{width:min(100% - 40px,var(--container));margin-inline:auto}
::selection{background:rgba(61,157,255,.35);color:#fff}

/* ---------- header ---------- */
.site-header{
 position:sticky;top:0;z-index:70;background:rgba(7,14,27,.84);
 backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
 border-bottom:1px solid var(--border);transition:box-shadow .25s ease,background .25s ease;
}
.site-header.is-stuck{box-shadow:0 10px 30px rgba(2,8,20,.55);background:rgba(7,14,27,.94)}
.header-inner{display:flex;align-items:center;gap:22px;height:64px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
 width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
 background:linear-gradient(150deg,var(--primary),#1b62b8 70%);color:#fff;
 box-shadow:0 6px 16px rgba(61,157,255,.35);
}
.brand-text{font-size:16.5px;font-weight:700;letter-spacing:.2px;white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:8px}
.nav-link{
 display:inline-flex;align-items:center;gap:6px;padding:8px 13px;border-radius:8px;
 font-size:14.5px;font-weight:500;color:var(--muted);
 transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:var(--text);background:rgba(61,157,255,.12)}
.nav-link.is-active{color:#fff;background:rgba(61,157,255,.18)}
.nav-mega{position:relative}
.mega-toggle{display:inline-flex;align-items:center;gap:6px}
.mega-toggle svg{transition:transform .2s ease}
.nav-mega:hover .mega-toggle svg,.nav-mega:focus-within .mega-toggle svg,.nav-mega.is-open .mega-toggle svg{transform:rotate(180deg)}
.mega-panel{
 position:absolute;top:calc(100% + 12px);right:0;width:620px;
 display:grid;grid-template-columns:1fr 1fr;gap:26px;padding:24px;
 background:linear-gradient(180deg,#142238,#0d1929);
 border:1px solid var(--border-strong);border-radius:var(--radius);
 box-shadow:var(--shadow-lg);opacity:0;visibility:hidden;transform:translateY(-8px);
 transition:opacity .2s ease,transform .2s ease,visibility .2s ease;
}
.nav-mega:hover .mega-panel,.nav-mega:focus-within .mega-panel,.nav-mega.is-open .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-title{font-size:12px;letter-spacing:.14em;color:var(--muted-dim);font-weight:700;margin-bottom:12px;text-transform:uppercase}
.mega-col a{
 display:block;padding:8px 10px;margin:0 -10px;border-radius:8px;
 font-size:14px;color:var(--muted);line-height:1.6;transition:background .2s ease,color .2s ease;
}
.mega-col a:hover{background:rgba(61,157,255,.14);color:#fff}
.header-cta{
 margin-left:auto;display:inline-flex;align-items:center;gap:8px;
 padding:9px 18px;border-radius:9px;font-size:14px;font-weight:600;color:#04101f;
 background:linear-gradient(150deg,#57b2ff,var(--primary));box-shadow:0 8px 20px rgba(61,157,255,.3);
 transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.header-cta:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(61,157,255,.42);filter:brightness(1.06)}
.nav-toggle{
 display:none;margin-left:auto;width:42px;height:42px;border-radius:10px;
 border:1px solid var(--border-strong);align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.nav-toggle span{display:block;width:17px;height:2px;border-radius:2px;background:var(--text);transition:transform .2s ease,opacity .2s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ---------- buttons ---------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:9px;
 padding:13px 26px;border-radius:9px;font-size:15px;font-weight:600;
 transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease;
}
.btn-primary{color:#04101f;background:linear-gradient(150deg,#58b3ff,var(--primary));box-shadow:0 12px 28px rgba(61,157,255,.32)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(61,157,255,.45)}
.btn-ghost{color:var(--text);border:1px solid var(--border-strong);background:rgba(255,255,255,.03)}
.btn-ghost:hover{border-color:rgba(61,157,255,.6);color:#fff;transform:translateY(-2px);background:rgba(61,157,255,.1)}
.btn-sm{padding:9px 18px;font-size:13.5px;border-radius:8px}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;padding:66px 0 74px;border-bottom:1px solid var(--border)}
.hero::before{
 content:"";position:absolute;inset:0;background-image:url('/assets/images/backpic/back-3.webp');
 background-size:cover;background-position:center;opacity:.3;filter:saturate(.85);
}
.hero::after{
 content:"";position:absolute;inset:0;
 background:linear-gradient(100deg,rgba(7,14,27,.97) 0%,rgba(7,14,27,.88) 48%,rgba(7,14,27,.66) 100%);
}
.hero .container{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:52px;align-items:center}
.eyebrow{
 display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
 font-size:12.5px;font-weight:600;letter-spacing:.06em;color:#a9e6ff;
 background:rgba(61,157,255,.14);border:1px solid rgba(61,157,255,.32);
}
.hero h1{font-size:clamp(26px,3.5vw,40px);font-weight:800;margin:18px 0 14px;letter-spacing:.4px}
.hero-sub{font-size:15.5px;color:var(--muted);max-width:60ch;line-height:1.85}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.tag{
 display:inline-flex;align-items:center;padding:5px 13px;border-radius:999px;
 font-size:12.5px;color:var(--muted);background:rgba(255,255,255,.04);
 border:1px solid var(--border);
}
.tag strong{color:var(--accent);font-weight:700;margin-right:4px}
.hero-panel{
 background:linear-gradient(180deg,var(--surface-2),var(--surface));
 border:1px solid var(--border-strong);border-radius:var(--radius-lg);
 box-shadow:var(--shadow-lg);padding:16px;
}
.hero-panel img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--radius)}
.hero-panel .panel-title{font-size:14px;font-weight:700;margin:14px 4px 10px;color:#dbe8f8}
.panel-list{display:grid;gap:8px}
.panel-list li{
 display:flex;justify-content:space-between;gap:14px;align-items:baseline;
 padding:9px 12px;border-radius:var(--radius-sm);
 background:rgba(61,157,255,.07);border:1px solid var(--border);
 font-size:13px;color:var(--muted);
}
.panel-list li span:last-child{color:var(--text);font-weight:700;font-size:13.5px}

/* ---------- section base ---------- */
.section{padding:66px 0;border-bottom:1px solid var(--border)}
.section--soft{background:linear-gradient(180deg,rgba(16,29,50,.55),rgba(11,21,38,.2))}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:30px;margin-bottom:34px;flex-wrap:wrap}
.section-head .lead{max-width:62ch}
.kicker{
 display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;
 letter-spacing:.12em;color:var(--accent);text-transform:uppercase;margin-bottom:10px;
}
.kicker::before{content:"";width:22px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--accent),transparent)}
.section-head h2{font-size:clamp(21px,2.4vw,28px);font-weight:800}
.section-head p{color:var(--muted);font-size:14.5px;margin-top:10px}
.section-note{font-size:13px;color:var(--muted-dim)}

/* ---------- cards ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.card{
 background:linear-gradient(180deg,var(--surface),var(--bg-soft));
 border:1px solid var(--border);border-radius:var(--radius);
 box-shadow:var(--shadow);padding:22px;
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(61,157,255,.42)}
.card-ico{
 width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
 background:rgba(61,157,255,.14);color:var(--primary);margin-bottom:14px;
 border:1px solid rgba(61,157,255,.26);
}
.card h3{font-size:16.5px;font-weight:700;margin-bottom:9px}
.card p{font-size:14px;color:var(--muted);line-height:1.8}
.card .meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:15px}
.chip{
 font-size:12px;padding:3px 10px;border-radius:6px;color:#a9e6ff;
 background:rgba(61,157,255,.12);border:1px solid rgba(61,157,255,.24);
}
.chip-warn{color:#ffd693;background:rgba(240,181,68,.12);border-color:rgba(240,181,68,.3)}

/* ---------- split feature ---------- */
.split{display:grid;grid-template-columns:minmax(0,1.02fr) minmax(0,.98fr);gap:44px;align-items:center}
.split-media{position:relative;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--border-strong);box-shadow:var(--shadow-lg)}
.split-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.split-media figcaption{
 position:absolute;left:14px;right:14px;bottom:14px;padding:10px 14px;border-radius:var(--radius-sm);
 font-size:12.5px;color:#dce8f8;background:rgba(7,14,27,.78);
 border:1px solid var(--border);backdrop-filter:blur(6px);
}
.split-copy h2{font-size:clamp(21px,2.4vw,27px);font-weight:800;margin-bottom:14px}
.split-copy p{color:var(--muted);font-size:14.5px;margin-bottom:14px}
.check-list{display:grid;gap:12px;margin-top:20px}
.check-list li{
 display:flex;gap:12px;align-items:flex-start;font-size:14px;color:var(--muted);
 padding:12px 14px;border-radius:var(--radius-sm);background:rgba(255,255,255,.025);
 border:1px solid var(--border);
}
.check-list li b{color:var(--text);font-weight:700}
.dot{width:8px;height:8px;border-radius:50%;background:var(--accent);margin-top:9px;flex-shrink:0;box-shadow:0 0 0 4px rgba(53,211,182,.14)}

/* ---------- pain cards ---------- */
.pain-card{border-left:3px solid rgba(240,181,68,.55)}
.pain-card .pain-label{font-size:12px;font-weight:700;letter-spacing:.1em;color:var(--gold);margin-bottom:8px}

/* ---------- steps ---------- */
.steps{display:grid;gap:14px;counter-reset:step}
.step{
 display:grid;grid-template-columns:56px minmax(0,1fr);gap:18px;align-items:start;
 padding:20px 22px;border-radius:var(--radius);
 background:linear-gradient(120deg,var(--surface),rgba(11,21,38,.6));
 border:1px solid var(--border);transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.step:hover{border-color:rgba(61,157,255,.42);transform:translateX(3px);box-shadow:var(--shadow)}
.step-num{
 width:46px;height:46px;border-radius:12px;display:grid;place-items:center;
 font-size:17px;font-weight:800;color:#04101f;
 background:linear-gradient(150deg,#58b3ff,var(--primary));box-shadow:0 8px 18px rgba(61,157,255,.3);
}
.step h3{font-size:16px;font-weight:700;margin-bottom:6px}
.step p{font-size:14px;color:var(--muted)}

/* ---------- stats ---------- */
.stats{
 display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;
 background:var(--border);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;
}
.stat{background:linear-gradient(180deg,var(--surface-2),var(--surface));padding:26px 22px;text-align:left}
.stat b{display:block;font-size:clamp(22px,2.6vw,30px);font-weight:800;color:#fff;letter-spacing:.5px}
.stat b em{font-style:normal;font-size:14px;color:var(--accent);margin-left:3px;font-weight:700}
.stat span{display:block;font-size:13px;color:var(--muted);margin-top:6px}

/* ---------- quotes ---------- */
.quote{
 background:linear-gradient(180deg,var(--surface),var(--bg-soft));
 border:1px solid var(--border);border-radius:var(--radius);padding:24px;
 transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.quote:hover{transform:translateY(-3px);border-color:rgba(53,211,182,.4);box-shadow:var(--shadow)}
.quote p{font-size:14.5px;color:#cddcee;line-height:1.85}
.quote-foot{display:flex;align-items:center;gap:12px;margin-top:18px;padding-top:16px;border-top:1px solid var(--border)}
.avatar{
 width:36px;height:36px;border-radius:50%;display:grid;place-items:center;
 font-size:13px;font-weight:700;color:#04101f;background:linear-gradient(150deg,#6fe0c8,var(--accent));
}
.quote-foot strong{display:block;font-size:13.5px;color:var(--text)}
.quote-foot small{color:var(--muted-dim);font-size:12px}

/* ---------- scene ---------- */
.scene{
 display:flex;flex-direction:column;gap:12px;padding:22px;border-radius:var(--radius);
 background:rgba(255,255,255,.025);border:1px solid var(--border);
 transition:background .2s ease,border-color .2s ease,transform .2s ease;
}
.scene:hover{background:rgba(61,157,255,.08);border-color:rgba(61,157,255,.4);transform:translateY(-3px)}
.scene h3{font-size:16px}
.scene p{font-size:14px;color:var(--muted)}
.scene .scene-tag{font-size:12px;color:var(--accent);font-weight:700;letter-spacing:.08em}

/* ---------- news list ---------- */
.post-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.post-card{
 display:flex;flex-direction:column;overflow:hidden;border-radius:var(--radius);
 background:linear-gradient(180deg,var(--surface),var(--bg-soft));
 border:1px solid var(--border);box-shadow:var(--shadow);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(61,157,255,.45)}
.post-body{padding:18px 20px 20px}
.post-card h3{font-size:15.5px;font-weight:700;line-height:1.55;margin-bottom:8px}
.post-card:hover h3{color:#a9e6ff}
.post-card p{font-size:13.5px;color:var(--muted);line-height:1.75}
.post-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px;font-size:12px;color:var(--muted-dim)}
.post-meta span{padding:2px 9px;border-radius:6px;background:rgba(255,255,255,.045);border:1px solid var(--border)}
.empty-note{
 padding:34px;border-radius:var(--radius);border:1px dashed var(--border-strong);
 color:var(--muted);font-size:14px;text-align:center;background:rgba(255,255,255,.02);
}
.list-more{display:flex;justify-content:center;margin-top:32px}

/* ---------- faq ---------- */
.faq{display:grid;gap:12px}
.faq details{
 background:linear-gradient(180deg,var(--surface),rgba(11,21,38,.6));
 border:1px solid var(--border);border-radius:var(--radius);padding:18px 22px;
 transition:border-color .2s ease,background .2s ease;
}
.faq details[open]{border-color:rgba(61,157,255,.45);background:linear-gradient(180deg,var(--surface-2),var(--surface))}
.faq summary{
 cursor:pointer;font-size:15.5px;font-weight:700;color:var(--text);
 display:flex;align-items:center;justify-content:space-between;gap:16px;list-style:none;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
 content:"+";font-size:19px;color:var(--primary);font-weight:600;line-height:1;
 transition:transform .2s ease;
}
.faq details[open] summary::after{content:"–";transform:rotate(180deg)}
.faq p{font-size:14px;color:var(--muted);margin-top:12px;line-height:1.85}

/* ---------- cta ---------- */
.cta-band{
 position:relative;overflow:hidden;border-radius:var(--radius-lg);
 border:1px solid var(--border-strong);box-shadow:var(--shadow-lg);
 padding:46px 42px;display:grid;grid-template-columns:minmax(0,1fr) auto;
 gap:30px;align-items:center;
 background-image:url('/assets/images/backpic/back-6.webp');
 background-size:cover;background-position:center;
}
.cta-band::before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(7,14,27,.95),rgba(16,29,50,.82))}
.cta-band > *{position:relative;z-index:2}
.cta-band h2{font-size:clamp(20px,2.4vw,26px);font-weight:800;margin-bottom:10px}
.cta-band p{color:var(--muted);font-size:14.5px;max-width:62ch}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- footer ---------- */
.site-footer{border-top:1px solid var(--border);background:linear-gradient(180deg,rgba(11,21,38,.75),rgba(7,14,27,.98));padding:54px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,.8fr) minmax(0,.8fr);gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:700;margin-bottom:14px}
.footer-desc{font-size:13.5px;color:var(--muted);line-height:1.85;max-width:46ch}
.footer-col h3{font-size:13px;letter-spacing:.14em;color:var(--muted-dim);text-transform:uppercase;margin-bottom:14px;font-weight:700}
.footer-col ul{display:grid;gap:9px}
.footer-col a{font-size:14px;color:var(--muted);transition:color .2s ease,padding-left .2s ease}
.footer-col a:hover{color:#fff;padding-left:4px}
.footer-bottom{
 display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
 margin-top:38px;padding-top:20px;border-top:1px solid var(--border);
 font-size:12.5px;color:var(--muted-dim);
}

/* ---------- responsive ---------- */
@media (max-width:1024px){
 .hero-grid{grid-template-columns:1fr;gap:36px}
 .split{grid-template-columns:1fr;gap:30px}
 .grid-3,.post-list{grid-template-columns:repeat(2,minmax(0,1fr))}
 .stats{grid-template-columns:repeat(2,minmax(0,1fr))}
 .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
 .cta-band{grid-template-columns:1fr;padding:38px 30px}
 .mega-panel{width:520px}
}
@media (max-width:860px){
 .main-nav{
  position:absolute;top:64px;left:0;right:0;
  display:none;flex-direction:column;align-items:stretch;gap:4px;
  padding:16px 20px 22px;background:rgba(9,17,31,.98);
  border-bottom:1px solid var(--border-strong);box-shadow:var(--shadow-lg);
  max-height:calc(100vh - 64px);overflow-y:auto;
 }
 .main-nav.is-open{display:flex}
 .nav-link{width:100%;padding:12px 12px;font-size:15px;justify-content:space-between}
 .nav-mega{width:100%}
 .nav-mega .mega-panel{
  position:static;width:100%;display:none;grid-template-columns:1fr;gap:18px;
  margin-top:8px;padding:16px;transform:none;opacity:1;visibility:visible;box-shadow:none;
 }
 .nav-mega.is-open .mega-panel{display:grid}
 .nav-toggle{display:flex}
 .header-cta{display:none}
 .header-inner{gap:14px}
 .brand-text{font-size:15px}
}
@media (max-width:768px){
 .section{padding:52px 0}
 .hero{padding:48px 0 56px}
 .grid-2,.grid-3,.post-list{grid-template-columns:1fr}
 .stats{grid-template-columns:1fr 1fr}
 .step{grid-template-columns:44px minmax(0,1fr);padding:18px}
 .step-num{width:38px;height:38px;border-radius:10px;font-size:15px}
 .footer-grid{grid-template-columns:1fr;gap:28px}
 .section-head{margin-bottom:26px}
 .cta-band{padding:32px 22px}
 .btn{width:100%}
 .hero-actions .btn,.cta-actions .btn{width:100%}
 .cta-actions{width:100%}
}
@media (max-width:520px){
 .container{width:min(100% - 28px,var(--container))}
 .brand-text{font-size:14px;white-space:normal;line-height:1.3}
 .hero h1{font-size:24px}
 .stats{grid-template-columns:1fr}
 .step{grid-template-columns:1fr;gap:12px}
 .card,.quote,.scene{padding:18px}
 .footer-bottom{flex-direction:column;gap:8px}
}
@media (prefers-reduced-motion:reduce){
 *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}

/* roulang page: category3 */
:root{
 --bg:#070e1b;
 --bg-soft:#0b1526;
 --surface:#101d32;
 --surface-2:#152540;
 --surface-3:#1a2c4a;
 --border:rgba(146,178,216,.14);
 --border-strong:rgba(146,178,216,.32);
 --text:#e8eff9;
 --muted:#93a7c2;
 --muted-dim:#6f83a0;
 --primary:#3d9dff;
 --primary-deep:#1f6fd0;
 --accent:#35d3b6;
 --gold:#f0b544;
 --radius:14px;
 --radius-sm:10px;
 --radius-lg:20px;
 --shadow:0 10px 26px rgba(2,8,20,.45);
 --shadow-lg:0 22px 52px rgba(2,8,20,.6);
 --container:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
 margin:0;
 font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
 font-size:15px;
 line-height:1.78;
 color:var(--text);
 background:var(--bg);
 background-image:radial-gradient(1100px 520px at 12% -8%,rgba(61,157,255,.16),transparent 62%),radial-gradient(900px 460px at 96% 4%,rgba(53,211,182,.10),transparent 60%);
 background-attachment:fixed;
 -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3,h4{margin:0;line-height:1.32;font-weight:700}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px}
.container{width:min(100% - 40px,var(--container));margin-inline:auto}

/* ---------- header ---------- */
.site-header{
 position:sticky;top:0;z-index:70;
 background:rgba(7,14,27,.84);
 backdrop-filter:blur(16px);
 -webkit-backdrop-filter:blur(16px);
 border-bottom:1px solid var(--border);
 transition:box-shadow .25s ease,background .25s ease;
}
.site-header.is-stuck{box-shadow:0 10px 30px rgba(2,8,20,.55);background:rgba(7,14,27,.94)}
.header-inner{display:flex;align-items:center;gap:22px;height:64px;position:relative}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
 width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
 background:linear-gradient(150deg,var(--primary),#1b62b8 70%);
 color:#fff;box-shadow:0 6px 16px rgba(61,157,255,.35);
}
.brand-text{font-size:16.5px;font-weight:700;letter-spacing:.2px;white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:8px}
.nav-link{
 display:inline-flex;align-items:center;gap:6px;
 padding:8px 13px;border-radius:8px;
 font-size:14.5px;font-weight:500;color:var(--muted);
 transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:var(--text);background:rgba(61,157,255,.12)}
.nav-link.is-active{color:#fff;background:rgba(61,157,255,.18)}
.nav-mega{position:relative}
.mega-toggle{display:inline-flex;align-items:center;gap:6px}
.mega-toggle svg{transition:transform .2s ease}
.nav-mega:hover .mega-toggle svg,.nav-mega:focus-within .mega-toggle svg{transform:rotate(180deg)}
.mega-panel{
 position:absolute;top:calc(100% + 12px);right:0;width:620px;
 display:grid;grid-template-columns:1fr 1fr;gap:26px;
 padding:24px;
 background:linear-gradient(180deg,#142238,#0d1929);
 border:1px solid var(--border-strong);
 border-radius:var(--radius);
 box-shadow:var(--shadow-lg);
 opacity:0;visibility:hidden;transform:translateY(-8px);
 transition:opacity .2s ease,transform .2s ease,visibility .2s ease;
}
.nav-mega:hover .mega-panel,.nav-mega:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-title{font-size:12px;letter-spacing:.14em;color:var(--muted-dim);font-weight:700;margin-bottom:12px;text-transform:uppercase}
.mega-col a{
 display:block;padding:8px 10px;margin:0 -10px;border-radius:8px;
 font-size:14px;color:var(--muted);line-height:1.6;
 transition:background .2s ease,color .2s ease;
}
.mega-col a:hover{background:rgba(61,157,255,.14);color:#fff}
.header-cta{
 margin-left:auto;display:inline-flex;align-items:center;gap:8px;
 padding:9px 18px;border-radius:9px;font-size:14px;font-weight:600;color:#04101f;
 background:linear-gradient(150deg,#57b2ff,var(--primary));
 box-shadow:0 8px 20px rgba(61,157,255,.3);
 transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.header-cta:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(61,157,255,.42);filter:brightness(1.06)}
.nav-toggle{
 display:none;margin-left:auto;width:42px;height:42px;border-radius:10px;
 border:1px solid var(--border-strong);align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.nav-toggle span{display:block;width:17px;height:2px;border-radius:2px;background:var(--text);transition:transform .2s ease,opacity .2s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ---------- buttons ---------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:9px;
 padding:13px 26px;border-radius:9px;font-size:15px;font-weight:600;
 transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease;
}
.btn-primary{
 color:#04101f;background:linear-gradient(150deg,#58b3ff,var(--primary));
 box-shadow:0 12px 28px rgba(61,157,255,.32);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(61,157,255,.45)}
.btn-ghost{color:var(--text);border:1px solid var(--border-strong);background:rgba(255,255,255,.03)}
.btn-ghost:hover{border-color:rgba(61,157,255,.6);color:#fff;transform:translateY(-2px);background:rgba(61,157,255,.1)}
.btn-sm{padding:9px 18px;font-size:13.5px;border-radius:8px}

/* ---------- category hero ---------- */
.cat-hero{
 position:relative;overflow:hidden;
 padding:70px 0 76px;
 border-bottom:1px solid var(--border);
}
.cat-hero::before{
 content:"";position:absolute;inset:0;
 background-image:url('/assets/images/backpic/back-4.webp');
 background-size:cover;background-position:center;
 opacity:.26;filter:saturate(.85);
}
.cat-hero::after{
 content:"";position:absolute;inset:0;
 background:linear-gradient(100deg,rgba(7,14,27,.97) 0%,rgba(7,14,27,.88) 48%,rgba(7,14,27,.66) 100%);
}
.cat-hero .container{position:relative;z-index:2}
.cat-hero-grid{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:52px;align-items:center}
.cat-flag{
 display:inline-flex;align-items:center;gap:8px;
 padding:7px 15px;border-radius:999px;
 font-size:12.5px;font-weight:700;letter-spacing:.05em;
 color:#ffe6b0;background:rgba(240,181,68,.14);
 border:1px solid rgba(240,181,68,.42);
}
.cat-flag i{width:7px;height:7px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 4px rgba(240,181,68,.18);display:inline-block}
.cat-hero h1{font-size:clamp(28px,3.5vw,42px);margin:20px 0 16px;letter-spacing:-.4px}
.cat-hero h1 em{font-style:normal;color:var(--primary)}
.cat-hero-sub{font-size:16px;color:var(--muted);max-width:560px}
.cat-deadline{
 display:inline-flex;align-items:center;gap:9px;
 margin-top:18px;padding:10px 16px;border-radius:10px;
 font-size:13.5px;font-weight:600;color:#bfe7ff;
 background:rgba(61,157,255,.12);
 border:1px dashed rgba(61,157,255,.45);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.tag{
 display:inline-flex;align-items:center;gap:6px;
 padding:6px 14px;border-radius:999px;
 font-size:12.5px;font-weight:600;color:var(--muted);
 background:rgba(255,255,255,.04);border:1px solid var(--border);
 transition:color .2s ease,border-color .2s ease,background .2s ease;
}
.tag:hover{color:#fff;border-color:rgba(61,157,255,.55);background:rgba(61,157,255,.12)}
.cat-hero-media{position:relative}
.cat-hero-media img{
 width:100%;aspect-ratio:4/3;object-fit:cover;
 border-radius:var(--radius-lg);
 border:1px solid var(--border-strong);
 box-shadow:var(--shadow-lg);
}
.cat-hero-media figcaption{
 position:absolute;left:16px;right:16px;bottom:16px;
 padding:10px 14px;border-radius:10px;
 font-size:12.5px;color:#dbe8fa;
 background:rgba(7,14,27,.72);
 border:1px solid var(--border);
 backdrop-filter:blur(6px);
}

/* ---------- generic section ---------- */
.section{padding:76px 0}
.section--soft{background:var(--bg-soft);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.section--deep{background:linear-gradient(180deg,rgba(16,29,50,.9),rgba(11,21,38,.9))}
.sec-head{max-width:720px;margin-bottom:40px}
.sec-eyebrow{
 display:inline-flex;align-items:center;gap:9px;
 font-size:12.5px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
 color:var(--accent);margin-bottom:14px;
}
.sec-eyebrow::before{content:"";width:26px;height:2px;border-radius:2px;background:var(--accent);display:inline-block}
.sec-head h2{font-size:clamp(22px,2.4vw,30px);letter-spacing:-.3px}
.sec-head p{margin-top:12px;color:var(--muted);font-size:15px;max-width:640px}

/* ---------- stats ---------- */
.stat-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.stat-item{
 padding:24px 22px;border-radius:var(--radius);
 background:var(--surface);border:1px solid var(--border);
 box-shadow:var(--shadow);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.stat-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:var(--border-strong)}
.stat-num{font-size:26px;font-weight:800;letter-spacing:-.5px;color:#fff}
.stat-num span{font-size:14px;font-weight:600;color:var(--primary);margin-left:3px}
.stat-label{margin-top:8px;font-size:13.5px;color:var(--muted)}

/* ---------- cards ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.info-card{
 position:relative;display:flex;flex-direction:column;gap:12px;
 padding:26px 24px;border-radius:var(--radius);
 background:var(--surface);border:1px solid var(--border);
 box-shadow:var(--shadow);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.info-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(61,157,255,.45)}
.card-icon{
 width:40px;height:40px;border-radius:11px;display:grid;place-items:center;
 color:var(--primary);background:rgba(61,157,255,.13);border:1px solid rgba(61,157,255,.28);
}
.info-card h3{font-size:17.5px}
.info-card p{font-size:14px;color:var(--muted)}
.card-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:6px}
.card-tags span{
 font-size:12px;font-weight:600;color:var(--muted-dim);
 padding:4px 10px;border-radius:999px;
 background:rgba(255,255,255,.04);border:1px solid var(--border);
}

/* ---------- gift list ---------- */
.gift-wrap{display:grid;grid-template-columns:minmax(0,.86fr) minmax(0,1.14fr);gap:46px;align-items:start}
.gift-media img{
 width:100%;aspect-ratio:3/4;object-fit:cover;
 border-radius:var(--radius-lg);border:1px solid var(--border-strong);box-shadow:var(--shadow-lg);
}
.gift-media p{margin-top:14px;font-size:13px;color:var(--muted-dim)}
.gift-list{display:grid;gap:14px}
.gift-item{
 display:grid;grid-template-columns:44px minmax(0,1fr);gap:16px;
 padding:20px 22px;border-radius:var(--radius-sm);
 background:var(--surface-2);border:1px solid var(--border);
 transition:transform .2s ease,border-color .2s ease,background .2s ease;
}
.gift-item:hover{transform:translateX(4px);border-color:rgba(53,211,182,.45);background:var(--surface-3)}
.gift-idx{
 width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
 font-size:14px;font-weight:800;color:#052a24;
 background:linear-gradient(150deg,#6cf0d6,var(--accent));
}
.gift-item h3{font-size:16px;margin-bottom:6px}
.gift-item p{font-size:13.5px;color:var(--muted)}
.gift-item .gift-note{display:inline-block;margin-top:8px;font-size:12px;font-weight:600;color:var(--gold)}

/* ---------- steps ---------- */
.step-flow{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;counter-reset:step}
.step-card{
 position:relative;padding:28px 24px 24px;
 border-radius:var(--radius);
 background:var(--surface);border:1px solid var(--border);
 box-shadow:var(--shadow);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(61,157,255,.4)}
.step-card::before{
 counter-increment:step;content:"0" counter(step);
 position:absolute;top:-14px;left:24px;
 padding:3px 12px;border-radius:999px;
 font-size:12.5px;font-weight:800;letter-spacing:.06em;color:#04101f;
 background:linear-gradient(150deg,#58b3ff,var(--primary));
 box-shadow:0 8px 18px rgba(61,157,255,.35);
}
.step-card h3{margin:10px 0 10px;font-size:17px}
.step-card p{font-size:14px;color:var(--muted)}

/* ---------- scenes ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.scene-card{
 padding:24px 22px;border-radius:var(--radius);
 background:linear-gradient(180deg,var(--surface-2),var(--surface));
 border:1px solid var(--border);
 transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.scene-card:hover{transform:translateY(-4px);border-color:rgba(61,157,255,.42);box-shadow:var(--shadow)}
.scene-card h3{font-size:16px;margin-bottom:10px;color:#fff}
.scene-card p{font-size:13.5px;color:var(--muted)}

/* ---------- timeline ---------- */
.timeline{position:relative;padding-left:26px;display:grid;gap:26px}
.timeline::before{
 content:"";position:absolute;left:7px;top:6px;bottom:6px;width:2px;
 background:linear-gradient(180deg,rgba(61,157,255,.7),rgba(53,211,182,.15));
}
.timeline-item{position:relative}
.timeline-item::before{
 content:"";position:absolute;left:-26px;top:7px;
 width:16px;height:16px;border-radius:50%;
 background:var(--bg);border:2px solid var(--primary);
 box-shadow:0 0 0 4px rgba(61,157,255,.12);
}
.timeline-tag{font-size:12px;font-weight:700;letter-spacing:.1em;color:var(--accent);text-transform:uppercase}
.timeline-item h3{font-size:16.5px;margin:6px 0 8px}
.timeline-item p{font-size:14px;color:var(--muted);max-width:760px}

/* ---------- news ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.news-card{
 display:flex;flex-direction:column;gap:12px;
 padding:18px;border-radius:var(--radius);
 background:var(--surface);border:1px solid var(--border);
 box-shadow:var(--shadow);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(61,157,255,.45)}
.news-card img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:10px}
.news-card h3{font-size:15.5px}
.news-card h3 a{transition:color .2s ease}
.news-card h3 a:hover{color:var(--primary)}
.news-card p{font-size:13.5px;color:var(--muted)}
.news-meta{display:flex;justify-content:space-between;gap:10px;margin-top:auto;padding-top:6px;font-size:12px;color:var(--muted-dim);border-top:1px solid var(--border)}
.news-empty{
 padding:34px;border-radius:var(--radius);text-align:center;
 color:var(--muted);background:var(--surface);border:1px dashed var(--border-strong);
}
.more-link{display:inline-flex;align-items:center;gap:7px;margin-top:26px;font-size:14px;font-weight:600;color:var(--primary)}
.more-link:hover{color:#8fcaff}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:14px;max-width:900px}
.faq-item{
 border-radius:var(--radius-sm);
 background:var(--surface);border:1px solid var(--border);
 overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:var(--border-strong)}
.faq-item[open]{border-color:rgba(61,157,255,.45);box-shadow:var(--shadow)}
.faq-item summary{
 display:flex;align-items:center;justify-content:space-between;gap:16px;
 padding:18px 22px;font-size:15.5px;font-weight:600;cursor:pointer;list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
 content:"";width:9px;height:9px;flex-shrink:0;
 border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);
 transform:rotate(45deg);transition:transform .2s ease,border-color .2s ease;
}
.faq-item[open] summary::after{transform:rotate(-135deg);border-color:var(--primary)}
.faq-item p{padding:0 22px 20px;font-size:14px;color:var(--muted)}

/* ---------- cta band ---------- */
.cta-band{
 position:relative;overflow:hidden;
 padding:52px 0;
 border-top:1px solid var(--border);border-bottom:1px solid var(--border);
 background:linear-gradient(120deg,rgba(61,157,255,.16),rgba(53,211,182,.08));
}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-inner h2{font-size:clamp(20px,2.3vw,27px)}
.cta-inner p{margin-top:10px;color:var(--muted);font-size:14.5px;max-width:620px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- footer ---------- */
.site-footer{padding:64px 0 28px;background:#050b15;border-top:1px solid var(--border)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:44px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:16.5px;font-weight:700;margin-bottom:16px}
.footer-desc{font-size:13.5px;color:var(--muted);max-width:420px}
.footer-col h3{font-size:14px;letter-spacing:.04em;margin-bottom:16px;color:#fff}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:13.5px;color:var(--muted);transition:color .2s ease,transform .2s ease}
.footer-col a:hover{color:var(--primary)}
.footer-bottom{
 display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
 margin-top:44px;padding-top:22px;border-top:1px solid var(--border);
 font-size:12.5px;color:var(--muted-dim);
}

/* ---------- responsive ---------- */
@media (max-width:1024px){
 .header-inner{gap:10px}
 .main-nav{
  position:absolute;top:64px;left:0;right:0;
  display:none;flex-direction:column;align-items:stretch;gap:2px;
  margin-left:0;padding:14px 20px 20px;
  background:#0b1526;border-bottom:1px solid var(--border);
  box-shadow:var(--shadow-lg);
 }
 .main-nav.is-open{display:flex}
 .nav-link{padding:12px 10px;font-size:15px}
 .nav-mega{position:static}
 .mega-toggle{width:100%;justify-content:space-between}
 .mega-panel{
  position:static;width:100%;grid-template-columns:1fr;gap:18px;
  padding:16px;margin-top:8px;
  opacity:1;visibility:visible;transform:none;display:none;box-shadow:none;
 }
 .nav-mega.is-open .mega-panel{display:grid}
 .nav-toggle{display:flex}
 .header-cta{display:none}
 .cat-hero{padding:48px 0 56px}
 .cat-hero-grid{grid-template-columns:1fr;gap:34px}
 .cat-hero-media{order:-1}
 .cat-hero-media img{aspect-ratio:16/10}
 .stat-row{grid-template-columns:repeat(2,minmax(0,1fr))}
 .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
 .gift-wrap{grid-template-columns:1fr;gap:30px}
 .gift-media{display:none}
 .step-flow{grid-template-columns:1fr;gap:26px}
 .scene-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
 .news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
 .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:768px){
 .section{padding:54px 0}
 .cat-hero h1{margin:14px 0 12px}
 .hero-actions .btn{flex:1 1 auto}
 .stat-row{grid-template-columns:1fr 1fr;gap:14px}
 .card-grid{grid-template-columns:1fr}
 .news-grid{grid-template-columns:1fr}
 .faq-item summary{padding:16px 18px;font-size:14.5px}
 .faq-item p{padding:0 18px 18px}
 .cta-inner{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
 .container{width:min(100% - 28px,var(--container))}
 .brand-text{font-size:15px}
 .stat-row{grid-template-columns:1fr}
 .scene-grid{grid-template-columns:1fr}
 .footer-grid{grid-template-columns:1fr;gap:28px}
 .gift-item{grid-template-columns:36px minmax(0,1fr);gap:12px;padding:18px}
 .gift-idx{width:36px;height:36px;border-radius:10px;font-size:13px}
 .cat-hero-media figcaption{font-size:12px;left:12px;right:12px;bottom:12px}
 .hero-actions{flex-direction:column;align-items:stretch}
 .hero-actions .btn{width:100%}
}