/* roulang page: index */
:root{
  --c-bg:#f5f8ff;
  --c-surface:#ffffff;
  --c-ink:#0f172a;
  --c-muted:#5b6b8c;
  --c-line:#e4ebf8;
  --c-brand:#2447d8;
  --c-brand-dark:#1d38ae;
  --c-brand-soft:#eef4ff;
  --c-accent:#0ea5e9;
  --c-warm:#f97316;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-pill:999px;
  --sh-1:0 6px 24px -10px rgba(20,40,90,.18);
  --sh-2:0 20px 44px -18px rgba(20,40,90,.34);
  --sp:72px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:"Noto Sans SC",system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease}
ul,ol{margin:0;padding:0;list-style:none}
button,input{font:inherit;color:inherit}
:focus-visible{outline:3px solid rgba(36,71,216,.45);outline-offset:2px;border-radius:6px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .3s ease;
}
.site-header.is-shrunk{box-shadow:0 12px 30px -20px rgba(18,38,90,.55)}
.topbar{max-height:112px;overflow:hidden;transition:max-height .38s ease,opacity .28s ease}
.site-header.is-shrunk .topbar{max-height:0;opacity:0}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:16px 20px}
.brand{display:flex;align-items:center;gap:12px}
.brand-mark{
  width:44px;height:44px;border-radius:14px;flex:0 0 auto;
  background:linear-gradient(135deg,#2447d8,#0ea5e9);
  color:#fff;display:grid;place-items:center;font-weight:900;font-size:15px;
  box-shadow:var(--sh-1);letter-spacing:.5px;
}
.brand-name{font-size:20px;font-weight:900;letter-spacing:.5px;line-height:1.2}
.brand-sub{font-size:12px;color:var(--c-muted);font-weight:500;line-height:1.4}
.search-box{display:flex;align-items:center;gap:8px;background:var(--c-brand-soft);border:1px solid #d9e4ff;border-radius:var(--r-pill);padding:6px 8px 6px 16px;min-width:280px}
.search-box input{border:0;background:transparent;outline:none;flex:1;font-size:14px;color:var(--c-ink)}
.search-box input::placeholder{color:#8d9cbb}
.search-box button{border:0;background:var(--c-brand);color:#fff;border-radius:var(--r-pill);padding:7px 16px;font-size:13px;font-weight:700;cursor:pointer;transition:background .2s ease,transform .2s ease}
.search-box button:hover{background:var(--c-brand-dark);transform:translateY(-1px)}
.mainnav{border-top:1px solid var(--c-line);transition:border-color .3s ease}
.site-header.is-shrunk .mainnav{border-color:transparent}
.mainnav-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:10px 20px}
.brand-compact{display:none;align-items:center;gap:10px}
.brand-compact .brand-mark{width:34px;height:34px;border-radius:11px;font-size:12px}
.brand-compact .brand-name{font-size:16px}
.site-header.is-shrunk .brand-compact{display:flex}
.nav-links{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.nav-links a{
  display:inline-block;padding:8px 16px;border-radius:var(--r-pill);
  font-size:15px;font-weight:500;color:#3c4c6d;
}
.nav-links a:hover{background:var(--c-brand-soft);color:var(--c-brand)}
.nav-links a.is-active{background:var(--c-brand);color:#fff;font-weight:700;box-shadow:0 10px 22px -14px rgba(36,71,216,.9)}
.nav-right{display:flex;align-items:center;gap:12px}
.nav-cta{
  display:inline-block;padding:9px 20px;border-radius:var(--r-pill);
  background:linear-gradient(135deg,#2447d8,#3a63f0);color:#fff;font-size:14px;font-weight:700;
  box-shadow:0 14px 26px -16px rgba(36,71,216,.95);
}
.nav-cta:hover{transform:translateY(-1px);box-shadow:0 18px 30px -16px rgba(36,71,216,1)}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--c-line);
  background:#fff;cursor:pointer;place-items:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:#20305a;border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:#20305a;border-radius:2px}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.mobile-drawer{
  display:none;padding:12px 20px 20px;border-top:1px solid var(--c-line);background:#fff;
}
.mobile-drawer.is-open{display:block}
.mobile-drawer a{display:block;padding:12px 14px;border-radius:12px;font-weight:600;color:#2b3a5c}
.mobile-drawer a:hover{background:var(--c-brand-soft);color:var(--c-brand)}

/* ---------- Generic ---------- */
.section{padding:var(--sp) 0;position:relative}
.section--tight{padding:44px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap}
.section-title{font-size:clamp(22px,2.4vw,30px);font-weight:900;letter-spacing:.3px;margin:0 0 10px}
.section-desc{font-size:15px;color:var(--c-muted);max-width:760px;margin:0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--c-brand);
  background:var(--c-brand-soft);border:1px solid #d9e4ff;border-radius:var(--r-pill);padding:5px 14px;margin-bottom:14px;
}
.card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:26px;box-shadow:var(--sh-1);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#d5e0f7}
.card-title{font-size:17px;font-weight:800;margin:0 0 8px}
.card-text{font-size:14px;color:var(--c-muted);margin:0}
.badge{display:inline-block;font-size:12px;font-weight:700;padding:3px 10px;border-radius:var(--r-pill);background:var(--c-brand-soft);color:var(--c-brand)}
.badge-warm{background:#fff2e6;color:#c2410c}
.badge-green{background:#e8f7ef;color:#15803d}
.badge-cool{background:#e6f6fd;color:#0e7490}
.chip{
  display:inline-block;font-size:13px;padding:6px 14px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--c-line);color:#41527a;font-weight:500;
}
.chip:hover{border-color:#b9cbf5;color:var(--c-brand);background:var(--c-brand-soft)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-pill);font-size:15px;font-weight:700;cursor:pointer;border:1px solid transparent;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;
}
.btn-primary{background:linear-gradient(135deg,#2447d8,#3a63f0);color:#fff;box-shadow:0 18px 32px -18px rgba(36,71,216,.95)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 22px 38px -18px rgba(36,71,216,1)}
.btn-soft{background:#fff;color:var(--c-brand);border-color:#c8d8fb}
.btn-soft:hover{background:var(--c-brand-soft);transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.divider{height:1px;background:var(--c-line);border:0;margin:0}

/* ---------- Hero ---------- */
.hero{
  padding:56px 0 64px;
  background:
    radial-gradient(900px 380px at 8% -10%,#e2ecff 0%,rgba(226,236,255,0) 70%),
    radial-gradient(700px 340px at 96% 0%,#e6f6fd 0%,rgba(230,246,253,0) 72%),
    var(--c-bg);
}
.hero-grid{display:grid;grid-template-columns:1.35fr .95fr;gap:36px;align-items:start}
.live-pill{
  display:inline-flex;align-items:center;gap:10px;font-size:13px;font-weight:700;color:#15803d;
  background:#e8f7ef;border:1px solid #c9ecd8;border-radius:var(--r-pill);padding:6px 16px;margin-bottom:18px;
}
.live-dot{width:8px;height:8px;border-radius:50%;background:#22c55e;box-shadow:0 0 0 4px rgba(34,197,94,.2)}
.hero h1{
  font-size:clamp(28px,3.9vw,46px);line-height:1.25;font-weight:900;letter-spacing:.3px;margin:0 0 14px;
}
.hero-sub{font-size:17px;font-weight:700;color:var(--c-brand);margin:0 0 16px}
.hero-lead{font-size:15.5px;color:#465878;margin:0 0 26px;max-width:660px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:28px}
.hero-stats{display:flex;flex-wrap:wrap;gap:14px}
.hero-stat{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);padding:12px 18px;box-shadow:var(--sh-1);min-width:132px;
}
.hero-stat strong{display:block;font-size:21px;font-weight:900;color:var(--c-brand);line-height:1.2}
.hero-stat span{font-size:12.5px;color:var(--c-muted)}
.hero-side{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--sh-2);
}
.hero-side h2{font-size:16px;font-weight:900;margin:0 0 6px}
.hero-side .hint{font-size:13px;color:var(--c-muted);margin:0 0 16px}
.region-list{display:grid;gap:10px}
.region-item{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:12px 14px;border:1px solid var(--c-line);border-radius:var(--r-md);background:#fbfdff;
}
.region-item:hover{border-color:#b9cbf5;background:var(--c-brand-soft)}
.region-name{font-size:14.5px;font-weight:700}
.region-tag{font-size:12px;color:var(--c-muted)}
.region-heat{font-size:12.5px;font-weight:800;color:var(--c-warm);white-space:nowrap}

/* ---------- Status strip ---------- */
.status-strip{
  background:linear-gradient(120deg,#1d38ae,#2447d8 46%,#0ea5e9);
  color:#fff;border-radius:var(--r-lg);padding:26px 30px;
  display:grid;grid-template-columns:repeat(4,1fr);gap:22px;box-shadow:var(--sh-2);
}
.status-strip .item strong{display:block;font-size:24px;font-weight:900;line-height:1.2}
.status-strip .item span{font-size:13px;opacity:.86}

/* ---------- Channel matrix ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.channel-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);padding:26px;
  box-shadow:var(--sh-1);display:flex;flex-direction:column;gap:12px;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.channel-card:hover{transform:translateY(-5px);box-shadow:var(--sh-2);border-color:#cfdcf8}
.channel-card .idx{font-size:13px;font-weight:900;color:#b7c4e2;letter-spacing:2px}
.channel-card h3{font-size:19px;font-weight:900;margin:0}
.channel-card p{font-size:14px;color:var(--c-muted);margin:0}
.channel-link{font-size:14px;font-weight:800;color:var(--c-brand);margin-top:auto}
.chipwall{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}

/* ---------- Stat cards ---------- */
.stat-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);padding:22px;box-shadow:var(--sh-1)}
.stat-card strong{display:block;font-size:26px;font-weight:900;color:var(--c-brand);line-height:1.2}
.stat-card b{display:block;font-size:15px;font-weight:800;margin:8px 0 6px}
.stat-card p{font-size:13.5px;color:var(--c-muted);margin:0}

/* ---------- Feed + Rank ---------- */
.feed-wrap{display:grid;grid-template-columns:1.5fr 1fr;gap:26px;align-items:start}
.panel{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);padding:26px;box-shadow:var(--sh-1)}
.panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px}
.panel-head h3{font-size:18px;font-weight:900;margin:0}
.panel-head .more{font-size:13.5px;font-weight:700;color:var(--c-brand)}
.feed-item{display:flex;gap:16px;padding:16px 0;border-bottom:1px dashed var(--c-line)}
.feed-item:last-child{border-bottom:0;padding-bottom:0}
.feed-thumb{
  width:88px;height:64px;flex:0 0 auto;border-radius:var(--r-sm);
  background:linear-gradient(135deg,#dbe6ff,#e6f6fd);display:grid;place-items:center;
  font-size:12px;font-weight:800;color:#4a67b8;
}
.feed-body h4{font-size:15.5px;font-weight:800;margin:0 0 6px}
.feed-body p{font-size:13.5px;color:var(--c-muted);margin:0 0 8px}
.feed-meta{display:flex;flex-wrap:wrap;gap:10px;font-size:12.5px;color:#8393b3}
.rank-item{display:flex;align-items:center;gap:14px;padding:11px 0;border-bottom:1px solid #f0f4fd}
.rank-item:last-child{border-bottom:0}
.rank-no{
  width:26px;height:26px;flex:0 0 auto;border-radius:9px;background:var(--c-brand-soft);color:var(--c-brand);
  display:grid;place-items:center;font-size:13px;font-weight:900;
}
.rank-item:nth-child(1) .rank-no,.rank-item:nth-child(2) .rank-no,.rank-item:nth-child(3) .rank-no{background:#ff6b2c;color:#fff}
.rank-name{font-size:14.5px;font-weight:700;flex:1}
.rank-val{font-size:12.5px;color:var(--c-muted);white-space:nowrap}

/* ---------- Topics ---------- */
.topic-row{display:grid;grid-template-columns:repeat(5,1fr);gap:18px}
.topic-card{
  border-radius:var(--r-lg);padding:22px;min-height:190px;display:flex;flex-direction:column;justify-content:space-between;
  background:linear-gradient(160deg,#ffffff,#eef4ff);border:1px solid var(--c-line);box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease;
}
.topic-card:nth-child(2){background:linear-gradient(160deg,#ffffff,#e6f6fd)}
.topic-card:nth-child(3){background:linear-gradient(160deg,#ffffff,#fff2e6)}
.topic-card:nth-child(5){background:linear-gradient(160deg,#ffffff,#e8f7ef)}
.topic-card:hover{transform:translateY(-6px);box-shadow:var(--sh-2)}
.topic-card h4{font-size:16.5px;font-weight:900;margin:0 0 8px}
.topic-card p{font-size:13.5px;color:var(--c-muted);margin:0}
.topic-card .num{font-size:12.5px;font-weight:800;color:var(--c-brand);margin-top:14px;display:block}

/* ---------- Timeline ---------- */
.timeline{position:relative;padding-left:26px}
.timeline::before{content:"";position:absolute;left:7px;top:6px;bottom:6px;width:2px;background:linear-gradient(180deg,#bdd0ff,#e4ebf8)}
.tl-item{position:relative;padding:0 0 22px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{content:"";position:absolute;left:-26px;top:8px;width:12px;height:12px;border-radius:50%;background:#fff;border:3px solid var(--c-brand)}
.tl-time{font-size:12.5px;font-weight:800;color:var(--c-brand);margin-bottom:2px}
.tl-item h4{font-size:15px;font-weight:800;margin:0 0 4px}
.tl-item p{font-size:13.5px;color:var(--c-muted);margin:0}

/* ---------- Steps ---------- */
.step-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);padding:24px;box-shadow:var(--sh-1);position:relative;overflow:hidden}
.step-card::after{content:"";position:absolute;inset:auto -30px -30px auto;width:110px;height:110px;border-radius:50%;background:var(--c-brand-soft);opacity:.7}
.step-no{font-size:13px;font-weight:900;color:var(--c-brand);letter-spacing:2px;position:relative}
.step-card h4{font-size:17px;font-weight:900;margin:10px 0 8px;position:relative}
.step-card p{font-size:14px;color:var(--c-muted);margin:0;position:relative}

/* ---------- Collection ---------- */
.collection{display:grid;grid-template-columns:.9fr 1.1fr;gap:26px;align-items:stretch}
.collection-cover{
  border-radius:var(--r-lg);padding:28px;color:#fff;
  background:linear-gradient(150deg,#1c3189,#2447d8 55%,#0ea5e9);
  display:flex;flex-direction:column;justify-content:space-between;box-shadow:var(--sh-2);min-height:300px;
}
.collection-cover h3{font-size:22px;font-weight:900;margin:14px 0 10px}
.collection-cover p{font-size:14px;opacity:.9;margin:0}
.collection-cover .meta{font-size:12.5px;opacity:.82;margin-top:18px;display:flex;gap:16px}
.toc{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);padding:24px;box-shadow:var(--sh-1)}
.toc h4{font-size:16px;font-weight:900;margin:0 0 14px}
.toc li{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:11px 0;border-bottom:1px dashed var(--c-line);font-size:14px}
.toc li:last-child{border-bottom:0}
.toc .dur{font-size:12.5px;color:var(--c-muted)}

/* ---------- Reviews ---------- */
.review{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);padding:24px;box-shadow:var(--sh-1)}
.review p{font-size:14.5px;color:#37476a;margin:0 0 16px}
.review-user{display:flex;align-items:center;gap:12px}
.avatar{width:38px;height:38px;border-radius:50%;background:linear-gradient(135deg,#dbe6ff,#bdd0ff);display:grid;place-items:center;font-weight:900;color:#3a55b0;font-size:14px}
.review-user b{font-size:14px;display:block}
.review-user span{font-size:12.5px;color:var(--c-muted)}

/* ---------- Creators ---------- */
.creator-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);padding:22px;box-shadow:var(--sh-1);text-align:left;transition:transform .25s ease,box-shadow .25s ease}
.creator-card:hover{transform:translateY(-5px);box-shadow:var(--sh-2)}
.creator-card h4{font-size:16px;font-weight:900;margin:14px 0 4px}
.creator-card .role{font-size:12.5px;color:var(--c-brand);font-weight:800;margin-bottom:8px}
.creator-card p{font-size:13.5px;color:var(--c-muted);margin:0}

/* ---------- Partners ---------- */
.partner-wall{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.partner{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);padding:18px;text-align:center;
  font-size:14.5px;font-weight:800;color:#41527a;box-shadow:var(--sh-1);
}
.partner:hover{border-color:#b9cbf5;color:var(--c-brand);background:var(--c-brand-soft)}

/* ---------- Subscribe ---------- */
.subscribe{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);padding:34px;
  display:grid;grid-template-columns:1.1fr .9fr;gap:30px;box-shadow:var(--sh-2);align-items:center;
}
.sub-form{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}
.sub-form input{
  flex:1;min-width:220px;border:1px solid var(--c-line);border-radius:var(--r-pill);
  padding:13px 20px;background:#fbfdff;outline:none;
}
.sub-form input:focus{border-color:#93b0fb;background:#fff}
.sub-side{background:var(--c-brand-soft);border:1px solid #d9e4ff;border-radius:var(--r-md);padding:22px}
.sub-side li{font-size:14px;color:#31456f;padding:7px 0 7px 22px;position:relative}
.sub-side li::before{content:"";position:absolute;left:0;top:14px;width:8px;height:8px;border-radius:50%;background:var(--c-brand)}

/* ---------- Promise ---------- */
.promise{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.promise-item{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);padding:20px;box-shadow:var(--sh-1)}
.promise-item b{display:block;font-size:15px;font-weight:800;margin-bottom:6px}
.promise-item p{font-size:13.5px;color:var(--c-muted);margin:0}
.promise-item .dot{width:34px;height:34px;border-radius:11px;background:var(--c-brand-soft);color:var(--c-brand);display:grid;place-items:center;font-weight:900;font-size:15px;margin-bottom:12px}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px}
.faq-item{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);padding:20px 24px;box-shadow:var(--sh-1)}
.faq-item h4{font-size:15.5px;font-weight:800;margin:0 0 8px}
.faq-item p{font-size:14px;color:var(--c-muted);margin:0}

/* ---------- CTA ---------- */
.cta-band{
  background:linear-gradient(140deg,#1a2c6d,#2447d8 60%,#0ea5e9);
  color:#fff;border-radius:var(--r-lg);padding:48px 40px;text-align:center;box-shadow:var(--sh-2);
}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);font-weight:900;margin:0 0 12px}
.cta-band p{font-size:15px;opacity:.9;max-width:680px;margin:0 auto 26px}

/* ---------- Footer ---------- */
.site-footer{background:#0f1a3a;color:#c3cfe8;margin-top:24px}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px;padding:56px 0 36px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.footer-brand .brand-mark{background:linear-gradient(135deg,#3a63f0,#0ea5e9)}
.footer-brand .brand-name{color:#fff}
.footer-desc{font-size:13.5px;color:#93a4c9;max-width:320px;margin:0}
.footer-col h4{color:#fff;font-size:15px;font-weight:800;margin:0 0 14px}
.footer-col li{padding:6px 0}
.footer-col a{font-size:14px;color:#acbcdd}
.footer-col a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:20px 0;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:#8fa0c4}

/* ---------- Responsive ---------- */
@media (max-width:1080px){
  .topic-row{grid-template-columns:repeat(3,1fr)}
  .grid-4,.promise{grid-template-columns:repeat(2,1fr)}
  .partner-wall{grid-template-columns:repeat(3,1fr)}
  .footer-top{grid-template-columns:1.2fr 1fr 1fr;gap:24px}
}
@media (max-width:920px){
  :root{--sp:56px}
  .search-box{display:none}
  .nav-links,.nav-cta{display:none}
  .nav-toggle{display:grid}
  .hero-grid,.feed-wrap,.collection,.subscribe,.grid-2,.grid-3{grid-template-columns:1fr}
  .status-strip{grid-template-columns:repeat(2,1fr)}
  .topic-row{grid-template-columns:repeat(2,1fr)}
  .partner-wall{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:640px){
  .container{padding:0 16px}
  .topbar-inner{padding:12px 16px;gap:12px}
  .brand-mark{width:38px;height:38px;border-radius:12px;font-size:13px}
  .brand-name{font-size:17px}
  .brand-sub{display:none}
  .section{padding:48px 0}
  .hero{padding:36px 0 48px}
  .hero-actions .btn{width:100%}
  .grid-4,.promise,.topic-row,.partner-wall{grid-template-columns:1fr}
  .status-strip{grid-template-columns:1fr;padding:22px;gap:16px}
  .cta-band{padding:34px 22px}
  .subscribe{padding:24px}
  .card{padding:22px}
}
@media (max-width:520px){
  .hero-stat{min-width:100%}
  .feed-thumb{width:70px;height:54px}
}

/* roulang page: category3 */
:root{
 --c-bg:#f5f8ff;
 --c-surface:#ffffff;
 --c-ink:#0f172a;
 --c-muted:#5b6b8c;
 --c-line:#e4ebf8;
 --c-brand:#2447d8;
 --c-brand-dark:#1d38ae;
 --c-brand-soft:#eef4ff;
 --c-accent:#0ea5e9;
 --c-warm:#f97316;
 --r-sm:10px;
 --r-md:16px;
 --r-lg:24px;
 --r-pill:999px;
 --sh-1:0 6px 24px -10px rgba(20,40,90,.18);
 --sh-2:0 20px 44px -18px rgba(20,40,90,.34);
 --sp:72px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
 margin:0;
 background:var(--c-bg);
 color:var(--c-ink);
 font-family:"Noto Sans SC",system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
 line-height:1.75;
 -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease,transform .2s ease}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button,input,select{font:inherit;color:inherit}
:focus-visible{outline:3px solid rgba(36,71,216,.45);outline-offset:2px;border-radius:8px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
/* ---------- Header ---------- */
.site-header{
 position:sticky;top:0;z-index:60;
 background:rgba(255,255,255,.94);
 backdrop-filter:saturate(180%) blur(14px);
 border-bottom:1px solid var(--c-line);
 transition:box-shadow .3s ease;
}
.site-header.is-shrunk{box-shadow:0 12px 30px -20px rgba(18,38,90,.55)}
.topbar{max-height:112px;overflow:hidden;transition:max-height .38s ease,opacity .28s ease}
.site-header.is-shrunk .topbar{max-height:0;opacity:0}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:16px 20px}
.brand{display:flex;align-items:center;gap:12px}
.brand-mark{
 width:44px;height:44px;border-radius:14px;flex:0 0 auto;
 background:linear-gradient(135deg,#2447d8,#0ea5e9);
 color:#fff;display:grid;place-items:center;font-weight:900;font-size:15px;
 box-shadow:var(--sh-1);letter-spacing:.5px;
}
.brand-name{display:block;font-size:20px;font-weight:900;letter-spacing:.5px;line-height:1.2}
.brand-sub{display:block;font-size:12px;color:var(--c-muted);font-weight:500;line-height:1.5}
.search-box{display:flex;align-items:center;gap:8px;background:var(--c-brand-soft);border:1px solid #d9e4ff;border-radius:var(--r-pill);padding:6px 8px 6px 16px;min-width:300px}
.search-box input{border:0;background:transparent;outline:none;flex:1;font-size:14px;color:var(--c-ink);min-width:0}
.search-box input::placeholder{color:#8d9cbb}
.search-box button{border:0;background:var(--c-brand);color:#fff;border-radius:var(--r-pill);padding:7px 16px;font-size:13px;font-weight:700;cursor:pointer;transition:background .2s ease,transform .2s ease}
.search-box button:hover{background:var(--c-brand-dark);transform:translateY(-1px)}
.mainnav{border-top:1px solid var(--c-line);transition:border-color .3s ease}
.site-header.is-shrunk .mainnav{border-color:transparent}
.mainnav-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:10px 20px}
.brand-compact{display:none;align-items:center;gap:10px}
.brand-compact .brand-mark{width:34px;height:34px;border-radius:11px;font-size:12px}
.brand-compact .brand-name{font-size:16px}
.site-header.is-shrunk .brand-compact{display:flex}
.nav-links{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.nav-links a{
 display:inline-block;padding:8px 16px;border-radius:var(--r-pill);
 font-size:15px;font-weight:500;color:#3c4c6d;
}
.nav-links a:hover{background:var(--c-brand-soft);color:var(--c-brand)}
.nav-links a.is-active{background:var(--c-brand);color:#fff;font-weight:700;box-shadow:0 10px 22px -14px rgba(36,71,216,.9)}
.nav-right{display:flex;align-items:center;gap:12px}
.nav-cta{
 display:inline-block;padding:9px 20px;border-radius:var(--r-pill);
 background:linear-gradient(135deg,#2447d8,#3a63f0);color:#fff;font-size:14px;font-weight:700;
 box-shadow:0 14px 26px -16px rgba(36,71,216,.95);
}
.nav-cta:hover{transform:translateY(-1px);box-shadow:0 18px 30px -16px rgba(36,71,216,1)}
.nav-toggle{
 display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--c-line);
 background:#fff;cursor:pointer;place-items:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:#20305a;border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:#20305a;border-radius:2px}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.mobile-drawer{display:none;padding:12px 20px 20px;border-top:1px solid var(--c-line);background:#fff}
.mobile-drawer.is-open{display:block}
.mobile-drawer a{display:block;padding:12px 14px;border-radius:12px;font-weight:600;color:#2b3a5c}
.mobile-drawer a:hover{background:var(--c-brand-soft);color:var(--c-brand)}
.mobile-drawer a.is-active{background:var(--c-brand);color:#fff}
/* ---------- Generic ---------- */
.section{padding:var(--sp) 0;position:relative}
.section--tight{padding:44px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap}
.section-title{font-size:clamp(22px,2.4vw,30px);font-weight:900;letter-spacing:.3px;margin:0 0 10px}
.section-desc{font-size:15px;color:var(--c-muted);max-width:820px;margin:0}
.eyebrow{
 display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--c-brand);
 background:var(--c-brand-soft);border:1px solid #d9e4ff;border-radius:var(--r-pill);padding:5px 14px;margin-bottom:14px;
}
.card{
 background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
 padding:26px;box-shadow:var(--sh-1);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#d5e0f7}
.card-title{font-size:17px;font-weight:800;margin:0 0 8px}
.card-text{font-size:14px;color:var(--c-muted);margin:0}
.badge{display:inline-block;font-size:12px;font-weight:700;padding:3px 10px;border-radius:var(--r-pill);background:var(--c-brand-soft);color:var(--c-brand)}
.badge-warm{background:#fff2e6;color:#c2410c}
.badge-green{background:#e8f7ef;color:#15803d}
.badge-cool{background:#e6f6fd;color:#0e7490}
.chip{
 display:inline-block;font-size:13px;padding:6px 14px;border-radius:var(--r-pill);
 background:#fff;border:1px solid var(--c-line);color:#41527a;font-weight:500;
}
.chip:hover{border-color:#b9cbf5;color:var(--c-brand);background:var(--c-brand-soft)}
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:13px 26px;border-radius:var(--r-pill);font-size:15px;font-weight:700;cursor:pointer;border:1px solid transparent;
 transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{background:linear-gradient(135deg,#2447d8,#3a63f0);color:#fff;box-shadow:0 16px 30px -18px rgba(36,71,216,1)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 22px 38px -18px rgba(36,71,216,1)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:#fff;border-color:#c9d8fb;color:var(--c-brand)}
.btn-ghost:hover{background:var(--c-brand-soft);border-color:var(--c-brand)}
.btn-light{background:#fff;color:var(--c-brand);box-shadow:var(--sh-1)}
.btn-light:hover{transform:translateY(-2px)}
/* ---------- Page hero ---------- */
.page-hero{padding:48px 0 8px}
.hero-panel{
 display:grid;grid-template-columns:1.12fr .88fr;gap:44px;align-items:center;
 background:linear-gradient(135deg,#ffffff 0%,#f0f5ff 62%,#e8f1ff 100%);
 border:1px solid var(--c-line);border-radius:32px;padding:46px;box-shadow:var(--sh-2);
}
.hero-q{font-size:clamp(25px,3.1vw,38px);font-weight:900;line-height:1.36;letter-spacing:.4px;margin:6px 0 16px}
.hero-q em{font-style:normal;color:var(--c-brand)}
.hero-sub{font-size:16px;color:#41527a;max-width:600px;margin-bottom:22px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:24px}
.hero-meta{display:flex;flex-wrap:wrap;gap:28px;border-top:1px dashed #cfdcf8;padding-top:20px}
.hero-meta div strong{display:block;font-size:22px;font-weight:900;color:var(--c-brand)}
.hero-meta div span{font-size:13px;color:var(--c-muted)}
.hero-form{background:#fff;border:1px solid #dae5fa;border-radius:var(--r-lg);padding:28px;box-shadow:var(--sh-2)}
.hero-form-title{font-size:19px;font-weight:900;margin-bottom:8px}
.hero-form-sub{font-size:14px;color:var(--c-muted);margin-bottom:20px}
.field-label{display:block;font-size:13px;font-weight:700;color:#3c4c6d;margin-bottom:6px}
.field{
 width:100%;padding:12px 14px;border-radius:var(--r-sm);border:1px solid var(--c-line);
 background:#f8faff;font-size:14px;outline:none;transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
 margin-bottom:14px;
}
.field:focus{border-color:var(--c-brand);background:#fff;box-shadow:0 0 0 4px rgba(36,71,216,.12)}
.subscribe-form .btn{width:100%}
.form-tip{font-size:12.5px;color:#8695b5;margin-top:12px;line-height:1.7}
/* ---------- Metrics ---------- */
.metrics-strip{
 display:grid;grid-template-columns:repeat(4,1fr);gap:18px;
 background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);padding:26px;box-shadow:var(--sh-1);
}
.metric-num{font-size:26px;font-weight:900;color:var(--c-brand);line-height:1.3}
.metric-label{font-size:13.5px;color:var(--c-muted)}
/* ---------- Rank list ---------- */
.rank-list{display:grid;gap:12px}
.rank-item{
 display:grid;grid-template-columns:56px 1fr auto;align-items:center;gap:18px;
 background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);padding:16px 22px;
 box-shadow:var(--sh-1);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.rank-item:hover{transform:translateX(4px);box-shadow:var(--sh-2);border-color:#cddcfa}
.rank-no{
 width:44px;height:44px;border-radius:14px;display:grid;place-items:center;
 font-weight:900;font-size:16px;color:var(--c-brand);background:var(--c-brand-soft);
}
.rank-item:nth-child(1) .rank-no{background:linear-gradient(135deg,#2447d8,#0ea5e9);color:#fff}
.rank-item:nth-child(2) .rank-no{background:#e6f6fd;color:#0e7490}
.rank-item:nth-child(3) .rank-no{background:#fff2e6;color:#c2410c}
.rank-name{font-size:16.5px;font-weight:800;display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.rank-meta{font-size:13.5px;color:var(--c-muted);margin:2px 0 0}
.rank-score{text-align:right}
.rank-score strong{display:block;font-size:22px;font-weight:900;color:var(--c-brand)}
.rank-score span{font-size:12.5px;color:var(--c-muted)}
/* ---------- Channels ---------- */
.channel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.channel-card{display:block}
.channel-icon{
 width:52px;height:52px;border-radius:16px;display:grid;place-items:center;
 background:var(--c-brand-soft);color:var(--c-brand);font-size:20px;margin-bottom:16px;
 transition:background .25s ease,color .25s ease,transform .25s ease;
}
.channel-card:hover .channel-icon{background:var(--c-brand);color:#fff;transform:translateY(-2px)}
.channel-link{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:700;color:var(--c-brand);margin-top:16px}
.channel-link:hover{gap:12px}
/* ---------- Creators ---------- */
.creator-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.creator-top{display:flex;align-items:center;gap:14px;margin-bottom:14px}
.creator-avatar{
 width:48px;height:48px;border-radius:16px;flex:0 0 auto;display:grid;place-items:center;
 font-weight:900;font-size:16px;color:#fff;background:linear-gradient(135deg,#2447d8,#0ea5e9);
}
.creator-role{font-size:13px;color:var(--c-muted);margin:0}
.creator-facts{margin:16px 0 0;display:grid;gap:8px}
.creator-facts li{font-size:13.5px;color:#41527a;display:flex;align-items:center;gap:9px}
.creator-facts i{color:var(--c-accent);font-size:13px;width:16px;text-align:center}
.card-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;padding-top:16px;border-top:1px dashed var(--c-line)}
/* ---------- Topics ---------- */
.topic-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.topic-item{
 display:flex;gap:16px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);
 padding:20px 22px;box-shadow:var(--sh-1);transition:border-color .22s ease,box-shadow .22s ease,transform .22s ease;
}
.topic-item:hover{border-color:#cddcfa;box-shadow:var(--sh-2);transform:translateY(-3px)}
.topic-dot{
 width:10px;height:10px;border-radius:50%;background:var(--c-accent);margin-top:12px;flex:0 0 auto;
 box-shadow:0 0 0 6px rgba(14,165,233,.13);
}
.topic-name{font-size:16px;font-weight:800;margin-bottom:4px}
.topic-desc{font-size:13.8px;color:var(--c-muted);margin:0}
/* ---------- Steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;position:relative}
.step-item{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);padding:26px;box-shadow:var(--sh-1);transition:transform .25s ease,box-shadow .25s ease}
.step-item:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.step-no{
 display:inline-grid;place-items:center;width:38px;height:38px;border-radius:12px;
 background:linear-gradient(135deg,#2447d8,#3a63f0);color:#fff;font-weight:900;font-size:14px;margin-bottom:14px;
}
.step-title{font-size:16px;font-weight:800;margin-bottom:8px}
.step-text{font-size:13.8px;color:var(--c-muted);margin:0}
/* ---------- FAQ ---------- */
.faq-list{max-width:900px}
.faq-item{
 background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);
 padding:0 24px;box-shadow:var(--sh-1);transition:border-color .22s ease,box-shadow .22s ease;
}
.faq-item + .faq-item{margin-top:14px}
.faq-item[open]{border-color:#c9d8fb;box-shadow:var(--sh-2)}
.faq-q{
 cursor:pointer;list-style:none;font-weight:800;font-size:16px;
 padding:19px 0;display:flex;align-items:center;justify-content:space-between;gap:18px;
}
.faq-q::-webkit-details-marker{display:none}
.faq-q::after{
 content:"+";color:var(--c-brand);font-size:20px;font-weight:700;line-height:1;
 transition:transform .25s ease;
}
.faq-item[open] .faq-q::after{content:"–"}
.faq-a{font-size:14.5px;color:var(--c-muted);padding:16px 0 22px;border-top:1px dashed var(--c-line)}
/* ---------- CTA ---------- */
.cta-band{
 background:linear-gradient(135deg,#152a73 0%,#2447d8 58%,#0ea5e9 140%);
 border-radius:32px;padding:52px;color:#fff;box-shadow:var(--sh-2);
 display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:center;
}
.cta-title{font-size:clamp(22px,2.6vw,30px);font-weight:900;margin-bottom:12px;line-height:1.4}
.cta-text{font-size:15px;color:#d6e2ff;margin-bottom:22px;max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}
.cta-points{display:grid;gap:12px}
.cta-points li{display:flex;align-items:center;gap:10px;font-size:14.5px;color:#e6eeff}
.cta-points i{color:#7fd8ff}
/* ---------- Footer ---------- */
.site-footer{background:#0d1734;color:#b9c6e4;padding:56px 0 26px;margin-top:36px}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:34px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.footer-brand .brand-name{color:#fff;font-size:18px;font-weight:900;line-height:1.2}
.footer-desc{font-size:13.8px;color:#93a3c8;line-height:1.9;margin:0;max-width:380px}
.footer-col h4{color:#fff;font-size:15px;margin:0 0 14px;font-weight:800}
.footer-col li + li{margin-top:10px}
.footer-col a{font-size:14px;color:#a8b7d9}
.footer-col a:hover{color:#fff}
.footer-bottom{
 margin-top:36px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
 display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:13px;color:#8b9cc2;
}
/* ---------- Responsive ---------- */
@media (max-width:1024px){
 :root{--sp:56px}
 .hero-panel{grid-template-columns:1fr;padding:36px;gap:32px}
 .metrics-strip{grid-template-columns:repeat(2,1fr)}
 .channel-grid{grid-template-columns:1fr 1fr}
 .creator-grid{grid-template-columns:repeat(2,1fr)}
 .steps{grid-template-columns:repeat(2,1fr)}
 .cta-band{grid-template-columns:1fr;padding:40px}
 .footer-top{grid-template-columns:1fr 1fr}
 .search-box{min-width:220px}
}
@media (max-width:768px){
 .nav-links{display:none}
 .nav-toggle{display:grid}
 .nav-cta{display:none}
 .topbar-inner{padding:12px 20px}
 .search-box{display:none}
 .page-hero{padding:28px 0 4px}
 .hero-panel{padding:26px;border-radius:24px}
 .hero-meta{gap:20px 28px}
 .topic-grid{grid-template-columns:1fr}
 .rank-item{grid-template-columns:44px 1fr;row-gap:8px;padding:16px 18px}
 .rank-score{grid-column:2;text-align:left;display:flex;align-items:baseline;gap:8px}
 .rank-score strong{font-size:18px}
 .footer-top{grid-template-columns:1fr;gap:26px}
 .cta-band{border-radius:24px;padding:30px}
}
@media (max-width:520px){
 .container{padding:0 16px}
 .brand-name{font-size:17px}
 .brand-sub{display:none}
 .section-title{font-size:21px}
 .channel-grid,.creator-grid,.steps,.metrics-strip{grid-template-columns:1fr}
 .hero-form{padding:22px}
 .btn{width:100%}
 .cta-actions .btn{width:100%}
 .footer-bottom{flex-direction:column;gap:6px}
}

/* roulang page: category2 */
/* ================= 设计系统 ================= */
:root{
--c-bg:#f5f8ff;
--c-surface:#ffffff;
--c-ink:#0f172a;
--c-muted:#5b6b8c;
--c-line:#e4ebf8;
--c-brand:#2447d8;
--c-brand-dark:#1d38ae;
--c-brand-soft:#eef4ff;
--c-accent:#0ea5e9;
--c-warm:#f97316;
--r-sm:10px;
--r-md:16px;
--r-lg:24px;
--r-pill:999px;
--sh-1:0 6px 24px -10px rgba(20,40,90,.18);
--sh-2:0 20px 44px -18px rgba(20,40,90,.34);
--sp:72px;
}
@media (max-width:1024px){:root{--sp:60px}}
@media (max-width:768px){:root{--sp:48px}}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
margin:0;background:var(--c-bg);color:var(--c-ink);
font-family:"Noto Sans SC",system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
line-height:1.75;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease}
button,input{font:inherit;color:inherit}
:focus-visible{outline:3px solid rgba(36,71,216,.35);outline-offset:2px;border-radius:8px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.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}

/* ================= 页头导航 ================= */
.site-header{
position:sticky;top:0;z-index:60;background:rgba(255,255,255,.94);
backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid var(--c-line);
transition:box-shadow .3s ease;
}
.site-header.is-shrunk{box-shadow:0 12px 30px -20px rgba(18,38,90,.55)}
.topbar{max-height:116px;overflow:hidden;transition:max-height .38s ease,opacity .28s ease}
.site-header.is-shrunk .topbar{max-height:0;opacity:0}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:16px 20px}
.brand{display:flex;align-items:center;gap:12px}
.brand-mark{
width:44px;height:44px;border-radius:14px;flex:0 0 auto;
background:linear-gradient(135deg,#2447d8,#0ea5e9);color:#fff;display:grid;place-items:center;
font-weight:900;font-size:15px;box-shadow:var(--sh-1);letter-spacing:.5px;
}
.brand-name{font-size:20px;font-weight:900;letter-spacing:.5px;line-height:1.2;display:block}
.brand-sub{font-size:12px;color:var(--c-muted);font-weight:500;line-height:1.5;display:block}
.search-box{
display:flex;align-items:center;gap:8px;background:var(--c-brand-soft);border:1px solid #d9e4ff;
border-radius:var(--r-pill);padding:6px 8px 6px 16px;min-width:280px;
}
.search-box input{border:0;background:transparent;outline:none;flex:1;font-size:14px;color:var(--c-ink);min-width:0}
.search-box input::placeholder{color:#8d9cbb}
.search-box button{
border:0;background:var(--c-brand);color:#fff;border-radius:var(--r-pill);
padding:7px 16px;font-size:13px;font-weight:700;cursor:pointer;white-space:nowrap;
transition:background .2s ease,transform .2s ease;
}
.search-box button:hover{background:var(--c-brand-dark);transform:translateY(-1px)}
.mainnav{border-top:1px solid var(--c-line);transition:border-color .3s ease}
.site-header.is-shrunk .mainnav{border-color:transparent}
.mainnav-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:10px 20px}
.brand-compact{display:none;align-items:center;gap:10px}
.brand-compact .brand-mark{width:34px;height:34px;border-radius:11px;font-size:12px}
.brand-compact .brand-name{font-size:16px}
.site-header.is-shrunk .brand-compact{display:flex}
.nav-links{display:flex;align-items:center;gap:6px;flex-wrap:wrap;list-style:none;margin:0;padding:0}
.nav-links a{display:inline-block;padding:8px 16px;border-radius:var(--r-pill);font-size:15px;font-weight:500;color:#3c4c6d}
.nav-links a:hover{background:var(--c-brand-soft);color:var(--c-brand)}
.nav-links a.is-active{background:var(--c-brand);color:#fff;font-weight:700;box-shadow:0 10px 22px -14px rgba(36,71,216,.9)}
.nav-right{display:flex;align-items:center;gap:12px}
.nav-cta{
display:inline-block;padding:9px 20px;border-radius:var(--r-pill);
background:linear-gradient(135deg,#2447d8,#3a63f0);color:#fff;font-size:14px;font-weight:700;
box-shadow:0 14px 26px -16px rgba(36,71,216,.95);white-space:nowrap;
}
.nav-cta:hover{transform:translateY(-1px);box-shadow:0 18px 30px -16px rgba(36,71,216,1)}
.nav-toggle{
display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--c-line);
background:#fff;cursor:pointer;place-items:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:#20305a;border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:#20305a;border-radius:2px}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.mobile-drawer{display:none;padding:12px 20px 20px;border-top:1px solid var(--c-line);background:#fff}
.mobile-drawer.is-open{display:block}
.mobile-drawer a{display:block;padding:12px 14px;border-radius:12px;font-weight:600;color:#2b3a5c}
.mobile-drawer a:hover{background:var(--c-brand-soft);color:var(--c-brand)}
.mobile-drawer a.is-active{background:var(--c-brand);color:#fff}

/* ================= 通用板块 ================= */
.section{padding:var(--sp) 0;position:relative}
.section--tight{padding:48px 0}
.section--ink{background:#0f1c3f;color:#dfe8ff}
.section--ink .section-title{color:#fff}
.section--ink .section-desc{color:#9db0dd}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap}
.section-title{font-size:clamp(22px,2.4vw,30px);font-weight:900;letter-spacing:.3px;margin:0 0 10px;color:var(--c-ink)}
.section-desc{font-size:15px;color:var(--c-muted);max-width:780px;margin:0}
.eyebrow{
display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--c-brand);
background:var(--c-brand-soft);border:1px solid #d9e4ff;border-radius:var(--r-pill);padding:5px 14px;margin-bottom:14px;
}
.eyebrow--light{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.22);color:#bcd0ff}
.divider{height:1px;background:var(--c-line);border:0;margin:0}

/* 卡片 */
.card{
background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
padding:26px;box-shadow:var(--sh-1);
transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#d5e0f7}
.card-title{font-size:17px;font-weight:800;margin:0 0 8px;color:var(--c-ink)}
.card-text{font-size:14px;color:var(--c-muted);margin:0}

/* 徽章 / 标签 */
.badge{display:inline-block;font-size:12px;font-weight:700;padding:3px 10px;border-radius:var(--r-pill);background:var(--c-brand-soft);color:var(--c-brand)}
.badge-warm{background:#fff2e6;color:#c2410c}
.badge-green{background:#e8f7ef;color:#15803d}
.badge-cool{background:#e6f6fd;color:#0e7490}
.badge-violet{background:#f2ecff;color:#6d28d9}
.chip{
display:inline-block;font-size:13px;padding:6px 14px;border-radius:var(--r-pill);
background:#fff;border:1px solid var(--c-line);color:#41527a;font-weight:500;
}
.chip:hover{border-color:#b9cbf5;color:var(--c-brand);background:var(--c-brand-soft)}

/* 按钮 */
.btn{
display:inline-flex;align-items:center;justify-content:center;gap:8px;
padding:13px 26px;border-radius:var(--r-pill);font-size:15px;font-weight:700;cursor:pointer;border:1px solid transparent;
transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{background:linear-gradient(135deg,#2447d8,#3a63f0);color:#fff;box-shadow:0 16px 30px -18px rgba(36,71,216,1)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 22px 36px -18px rgba(36,71,216,1)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:#fff;color:var(--c-brand);border-color:#c9d8fb}
.btn-ghost:hover{background:var(--c-brand-soft);border-color:#a9c0f7}
.btn-sm{padding:9px 18px;font-size:13px}

/* ================= 本页：频道首屏 ================= */
.page-hero{
position:relative;overflow:hidden;padding:40px 0 var(--sp);
background:linear-gradient(160deg,#eaf1ff 0%,#f6faff 58%,#ffffff 100%);
border-bottom:1px solid var(--c-line);
}
.page-hero::before{
content:"";position:absolute;inset:0;pointer-events:none;
background-image:linear-gradient(rgba(36,71,216,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(36,71,216,.055) 1px,transparent 1px);
background-size:40px 40px;
-webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.6),transparent 76%);
mask-image:linear-gradient(180deg,rgba(0,0,0,.6),transparent 76%);
}
.breadcrumb{position:relative;display:flex;align-items:center;gap:8px;font-size:13px;color:var(--c-muted);margin-bottom:22px;flex-wrap:wrap}
.breadcrumb a:hover{color:var(--c-brand)}
.breadcrumb span.sep{color:#b6c4e2}
.hero-grid{position:relative;display:grid;grid-template-columns:1.5fr .9fr;gap:48px;align-items:center}
.page-title{font-size:clamp(28px,4vw,44px);font-weight:900;line-height:1.25;letter-spacing:-.4px;margin:0 0 18px;color:var(--c-ink)}
.page-title em{font-style:normal;color:var(--c-brand)}
.page-lead{font-size:16px;color:#41527a;max-width:660px;margin:0 0 26px}
.sell-list{list-style:none;margin:0 0 28px;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:12px 20px;max-width:700px}
.sell-list li{position:relative;padding-left:28px;font-size:14.5px;color:#2e3d61;font-weight:500}
.sell-list li::before{
content:"";position:absolute;left:0;top:8px;width:16px;height:16px;border-radius:50%;
background:linear-gradient(135deg,#2447d8,#0ea5e9);
box-shadow:0 4px 10px -4px rgba(36,71,216,.9);
}
.sell-list li::after{content:"";position:absolute;left:5px;top:12px;width:6px;height:3px;border-left:2px solid #fff;border-bottom:2px solid #fff;transform:rotate(-45deg)}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:22px}
.trust-strip{display:flex;gap:22px;flex-wrap:wrap;font-size:13px;color:#5b6b8c}
.trust-strip b{color:var(--c-ink);font-weight:800;font-size:15px;margin-right:4px}
.hero-panel{
background:rgba(255,255,255,.92);border:1px solid #dbe6ff;border-radius:var(--r-lg);
padding:24px;box-shadow:var(--sh-2);backdrop-filter:blur(6px);
}
.hero-panel h3{margin:0 0 4px;font-size:16px;font-weight:900;color:var(--c-ink)}
.hero-panel .panel-sub{margin:0 0 18px;font-size:13px;color:var(--c-muted)}
.panel-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:11px 0;border-top:1px dashed #e2eafc;font-size:14px}
.panel-row:first-of-type{border-top:0}
.panel-row span{color:#4a5b80}
.panel-row b{font-weight:800;color:var(--c-ink)}
.live-dot{display:inline-flex;align-items:center;gap:7px;font-size:12px;font-weight:700;color:#15803d;background:#e8f7ef;border-radius:var(--r-pill);padding:4px 12px}
.live-dot i{width:7px;height:7px;border-radius:50%;background:#16a34a;display:block;animation:pulse 1.6s infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.35;transform:scale(.75)}}

/* ================= 更新节奏 ================= */
.rush-bar{
display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
background:linear-gradient(120deg,#1d38ae,#2447d8 62%,#0ea5e9);
color:#fff;border-radius:var(--r-lg);padding:22px 28px;box-shadow:var(--sh-2);
}
.rush-bar h2{margin:0;font-size:19px;font-weight:900}
.rush-bar p{margin:4px 0 0;font-size:13.5px;color:#c9d8ff}
.rush-meta{display:flex;gap:26px;flex-wrap:wrap}
.rush-meta div{font-size:12.5px;color:#c9d8ff}
.rush-meta b{display:block;font-size:22px;font-weight:900;color:#fff;line-height:1.3}
.timeline{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:34px}
.tl-item{position:relative;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);padding:20px 22px;box-shadow:var(--sh-1)}
.tl-item::before{content:"";position:absolute;left:0;top:20px;bottom:20px;width:4px;border-radius:0 4px 4px 0;background:linear-gradient(180deg,#2447d8,#0ea5e9)}
.tl-time{font-size:13px;font-weight:800;color:var(--c-brand);letter-spacing:.5px}
.tl-item h3{margin:6px 0 6px;font-size:16px;font-weight:800}
.tl-item p{margin:0;font-size:13.5px;color:var(--c-muted)}

/* ================= 专题矩阵 ================= */
.matrix-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.matrix-card{
background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);padding:20px;
box-shadow:var(--sh-1);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.matrix-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#cddcfb}
.matrix-card h3{margin:0 0 8px;font-size:16px;font-weight:800}
.matrix-card p{margin:0 0 14px;font-size:13px;color:var(--c-muted)}
.matrix-foot{display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:#7a8aab;border-top:1px dashed #e6edfb;padding-top:12px}
.matrix-foot b{color:var(--c-brand);font-weight:800}

/* ================= 主打专题 ================= */
.feature-wrap{
display:grid;grid-template-columns:1.15fr .85fr;gap:32px;align-items:stretch;
background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);padding:32px;box-shadow:var(--sh-1);
}
.feature-visual{
border-radius:var(--r-md);min-height:260px;padding:26px;color:#fff;position:relative;overflow:hidden;
background:linear-gradient(140deg,#16276b,#2447d8 55%,#0ea5e9);
display:flex;flex-direction:column;justify-content:space-between;
}
.feature-visual::after{
content:"";position:absolute;right:-60px;bottom:-60px;width:220px;height:220px;border-radius:50%;
background:radial-gradient(circle,rgba(255,255,255,.28),transparent 68%);
}
.feature-visual h3{margin:0;font-size:22px;font-weight:900;line-height:1.35}
.feature-visual p{margin:10px 0 0;font-size:13.5px;color:#c8d8ff;max-width:420px}
.feature-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:18px;position:relative;z-index:1}
.feature-tags span{font-size:12px;font-weight:700;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.28);border-radius:var(--r-pill);padding:4px 12px}
.feature-list{list-style:none;margin:0;padding:0}
.feature-list li{display:flex;gap:14px;align-items:flex-start;padding:14px 0;border-bottom:1px dashed #e6edfb}
.feature-list li:last-child{border-bottom:0;padding-bottom:0}
.feature-list .num{
width:30px;height:30px;flex:0 0 auto;border-radius:10px;display:grid;place-items:center;
background:var(--c-brand-soft);color:var(--c-brand);font-weight:900;font-size:13px;
}
.feature-list h4{margin:0 0 4px;font-size:14.5px;font-weight:800}
.feature-list p{margin:0;font-size:13px;color:var(--c-muted)}

/* ================= 内容列表 ================= */
.feed-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.feed-card{
background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);overflow:hidden;
box-shadow:var(--sh-1);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
display:flex;flex-direction:column;
}
.feed-card:hover{transform:translateY(-5px);box-shadow:var(--sh-2);border-color:#cfddfa}
.thumb{position:relative;height:152px;display:flex;align-items:flex-end;padding:14px;color:#fff}
.thumb-a{background:linear-gradient(135deg,#2447d8,#0ea5e9)}
.thumb-b{background:linear-gradient(135deg,#1d38ae,#6d8cf7)}
.thumb-c{background:linear-gradient(135deg,#0ea5e9,#38bdf8)}
.thumb-d{background:linear-gradient(135deg,#f97316,#fbbf24)}
.thumb-e{background:linear-gradient(135deg,#334155,#64748b)}
.thumb-f{background:linear-gradient(135deg,#6d28d9,#a78bfa)}
.thumb-mark{position:absolute;right:16px;top:12px;font-size:34px;font-weight:900;opacity:.28;letter-spacing:-2px}
.thumb-tag{font-size:11.5px;font-weight:700;background:rgba(255,255,255,.22);border:1px solid rgba(255,255,255,.35);border-radius:var(--r-pill);padding:3px 10px}
.thumb-dur{position:absolute;right:14px;bottom:14px;font-size:12px;font-weight:700;background:rgba(10,16,38,.55);border-radius:8px;padding:2px 8px}
.feed-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.feed-title{margin:0;font-size:15.5px;font-weight:800;line-height:1.55;color:var(--c-ink)}
.feed-desc{margin:0;font-size:13.5px;color:var(--c-muted);flex:1}
.feed-meta{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:12.5px;color:#7a8aab}

/* ================= 排行榜 ================= */
.rank-list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:14px}
.rank-item{
display:flex;align-items:center;gap:16px;background:#fff;border:1px solid var(--c-line);
border-radius:var(--r-md);padding:16px 20px;box-shadow:var(--sh-1);
transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.rank-item:hover{transform:translateX(4px);box-shadow:var(--sh-2);border-color:#cddcfb}
.rank-no{
width:38px;height:38px;flex:0 0 auto;border-radius:12px;display:grid;place-items:center;
font-weight:900;font-size:15px;background:var(--c-brand-soft);color:var(--c-brand);
}
.rank-item:nth-child(1) .rank-no{background:linear-gradient(135deg,#f97316,#fb923c);color:#fff}
.rank-item:nth-child(2) .rank-no{background:linear-gradient(135deg,#2447d8,#4f7cf7);color:#fff}
.rank-item:nth-child(3) .rank-no{background:linear-gradient(135deg,#0ea5e9,#67e8f9);color:#fff}
.rank-info{flex:1;min-width:0}
.rank-info h3{margin:0 0 3px;font-size:14.5px;font-weight:800;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rank-info p{margin:0;font-size:12.5px;color:var(--c-muted)}
.rank-score{font-size:18px;font-weight:900;color:var(--c-brand);flex:0 0 auto}

/* ================= 数据分布 ================= */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:34px}
.stat-box{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);padding:20px 22px;box-shadow:var(--sh-1)}
.stat-box b{display:block;font-size:28px;font-weight:900;color:var(--c-brand);line-height:1.2;letter-spacing:-.5px}
.stat-box span{font-size:13px;color:var(--c-muted)}
.bar-list{display:grid;gap:16px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);padding:28px;box-shadow:var(--sh-1)}
.bar-row{display:grid;grid-template-columns:120px 1fr 66px;align-items:center;gap:16px;font-size:13.5px}
.bar-row span:first-child{color:#33456b;font-weight:600}
.bar-track{height:10px;border-radius:var(--r-pill);background:#eef3fd;overflow:hidden}
.bar-fill{height:100%;border-radius:var(--r-pill);background:linear-gradient(90deg,#2447d8,#48b8f5);width:0;transition:width .8s ease}
.bar-val{text-align:right;font-weight:800;color:var(--c-ink)}
.tag-cloud{display:flex;gap:10px;flex-wrap:wrap;margin-top:26px}

/* ================= 创作者 ================= */
.creator-list{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.creator-row{
display:flex;align-items:center;gap:16px;background:#fff;border:1px solid var(--c-line);
border-radius:var(--r-md);padding:18px 20px;box-shadow:var(--sh-1);transition:border-color .2s ease,box-shadow .2s ease;
}
.creator-row:hover{border-color:#cddcfb;box-shadow:var(--sh-2)}
.avatar{
width:46px;height:46px;flex:0 0 auto;border-radius:14px;display:grid;place-items:center;
font-weight:900;color:#fff;font-size:15px;background:linear-gradient(135deg,#2447d8,#0ea5e9);
}
.avatar.g2{background:linear-gradient(135deg,#0ea5e9,#67e8f9)}
.avatar.g3{background:linear-gradient(135deg,#f97316,#fbbf24)}
.avatar.g4{background:linear-gradient(135deg,#6d28d9,#a78bfa)}
.creator-info{flex:1;min-width:0}
.creator-info h3{margin:0 0 3px;font-size:15px;font-weight:800}
.creator-info p{margin:0;font-size:12.5px;color:var(--c-muted)}
.creator-score{font-size:13px;font-weight:800;color:var(--c-brand);white-space:nowrap}

/* ================= FAQ ================= */
.faq-list{display:grid;gap:14px}
.faq-item{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);padding:22px 24px;box-shadow:var(--sh-1)}
.faq-item h3{margin:0 0 8px;font-size:15.5px;font-weight:800;color:var(--c-ink);display:flex;gap:10px;align-items:flex-start}
.faq-item h3::before{
content:"问";flex:0 0 auto;width:24px;height:24px;border-radius:8px;display:grid;place-items:center;
background:var(--c-brand-soft);color:var(--c-brand);font-size:12px;font-weight:900;
}
.faq-item p{margin:0;font-size:14px;color:var(--c-muted);padding-left:34px}

/* ================= 订阅 CTA ================= */
.subscribe-panel{
background:linear-gradient(135deg,#16276b,#2447d8 58%,#0ea5e9);
border-radius:var(--r-lg);padding:44px;color:#fff;box-shadow:var(--sh-2);
display:grid;grid-template-columns:1.2fr .8fr;gap:34px;align-items:center;
}
.subscribe-panel h2{margin:0 0 12px;font-size:clamp(22px,2.6vw,30px);font-weight:900;color:#fff}
.subscribe-panel p{margin:0;font-size:14.5px;color:#cfdcff;max-width:520px}
.sub-form{display:flex;gap:10px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.3);border-radius:var(--r-pill);padding:6px;flex-wrap:wrap}
.sub-form input{
flex:1;min-width:150px;border:0;background:transparent;outline:none;padding:10px 16px;color:#fff;font-size:14px;
}
.sub-form input::placeholder{color:#c6d6ff}
.sub-form button{
border:0;border-radius:var(--r-pill);padding:11px 24px;font-size:14px;font-weight:800;cursor:pointer;
background:#fff;color:#1d38ae;transition:transform .2s ease,box-shadow .2s ease;
}
.sub-form button:hover{transform:translateY(-1px);box-shadow:0 12px 24px -12px rgba(0,0,0,.5)}
.sub-note{font-size:12.5px;color:#b9caff;margin-top:12px}

/* ================= 页脚 ================= */
.site-footer{background:#0b1734;color:#93a5cd;padding:56px 0 26px;margin-top:0}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:34px;padding-bottom:32px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.footer-brand .brand-mark{width:40px;height:40px;border-radius:13px}
.footer-brand .brand-name{color:#fff;font-size:18px}
.footer-desc{font-size:13.5px;color:#8296c0;margin:0;max-width:420px}
.footer-col h4{margin:0 0 16px;font-size:14px;font-weight:800;color:#fff;letter-spacing:.5px}
.footer-col ul{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.footer-col a{font-size:13.5px;color:#93a5cd}
.footer-col a:hover{color:#fff}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-top:22px;font-size:13px;color:#7186b0;flex-wrap:wrap}

/* ================= 响应式 ================= */
@media (max-width:1080px){
.hero-grid{grid-template-columns:1fr;gap:34px}
.matrix-grid{grid-template-columns:repeat(2,1fr)}
.feed-grid{grid-template-columns:repeat(2,1fr)}
.feature-wrap{grid-template-columns:1fr;padding:26px}
.stat-grid{grid-template-columns:repeat(2,1fr)}
.footer-top{grid-template-columns:1fr 1fr;gap:28px}
.subscribe-panel{grid-template-columns:1fr;padding:34px}
}
@media (max-width:820px){
.nav-links,.nav-right .nav-cta{display:none}
.nav-toggle{display:grid}
.topbar-inner{flex-wrap:wrap}
.search-box{min-width:0;width:100%}
.timeline{grid-template-columns:1fr}
.rank-list{grid-template-columns:1fr}
.creator-list{grid-template-columns:1fr}
}
@media (max-width:620px){
:root{--sp:44px}
.sell-list{grid-template-columns:1fr}
.matrix-grid{grid-template-columns:1fr}
.feed-grid{grid-template-columns:1fr}
.stat-grid{grid-template-columns:1fr 1fr}
.footer-top{grid-template-columns:1fr}
.bar-row{grid-template-columns:1fr;gap:6px}
.bar-val{text-align:left}
.rush-bar{padding:20px}
.subscribe-panel{padding:24px}
.faq-item p{padding-left:0;margin-top:6px}
.page-hero{padding-top:28px}
}

/* roulang page: category1 */
:root{
  --c-bg:#f5f8ff;
  --c-surface:#ffffff;
  --c-ink:#0f172a;
  --c-muted:#5b6b8c;
  --c-line:#e4ebf8;
  --c-brand:#2447d8;
  --c-brand-dark:#1d38ae;
  --c-brand-soft:#eef4ff;
  --c-accent:#0ea5e9;
  --c-warm:#f97316;
  --r-sm:10px;
  --r-md:16px;
  --r-lg:24px;
  --r-pill:999px;
  --sh-1:0 6px 24px -10px rgba(20,40,90,.18);
  --sh-2:0 20px 44px -18px rgba(20,40,90,.34);
  --sp:72px;
}
@media (max-width:768px){:root{--sp:46px}}

/* ---------- base ---------- */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
html body{
  margin:0;background:var(--c-bg);color:var(--c-ink);
  font-family:"Noto Sans SC",system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease,box-shadow .2s ease,transform .2s ease}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.32}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
:focus-visible{outline:3px solid rgba(36,71,216,.45);outline-offset:2px;border-radius:8px}
::selection{background:rgba(36,71,216,.16)}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .3s ease;
}
.site-header.is-shrunk{box-shadow:0 12px 30px -20px rgba(18,38,90,.55)}
.topbar{max-height:112px;overflow:hidden;transition:max-height .38s ease,opacity .28s ease}
.site-header.is-shrunk .topbar{max-height:0;opacity:0}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:16px 20px}
.brand{display:flex;align-items:center;gap:12px}
.brand-mark{
  width:44px;height:44px;border-radius:14px;flex:0 0 auto;
  background:linear-gradient(135deg,#2447d8,#0ea5e9);
  color:#fff;display:grid;place-items:center;font-weight:900;font-size:15px;
  box-shadow:var(--sh-1);letter-spacing:.5px;
}
.brand-name{display:block;font-size:20px;font-weight:900;letter-spacing:.5px;line-height:1.2}
.brand-sub{display:block;font-size:12px;color:var(--c-muted);font-weight:500;line-height:1.4}
.search-box{display:flex;align-items:center;gap:8px;background:var(--c-brand-soft);border:1px solid #d9e4ff;border-radius:var(--r-pill);padding:6px 8px 6px 16px;min-width:320px}
.search-box input{border:0;background:transparent;outline:none;flex:1;font-size:14px;color:var(--c-ink)}
.search-box input::placeholder{color:#8d9cbb}
.search-box button{border:0;background:var(--c-brand);color:#fff;border-radius:var(--r-pill);padding:7px 16px;font-size:13px;font-weight:700;transition:background .2s ease,transform .2s ease}
.search-box button:hover{background:var(--c-brand-dark);transform:translateY(-1px)}
.mainnav{border-top:1px solid var(--c-line);transition:border-color .3s ease}
.site-header.is-shrunk .mainnav{border-color:transparent}
.mainnav-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:10px 20px}
.brand-compact{display:none;align-items:center;gap:10px}
.brand-compact .brand-mark{width:34px;height:34px;border-radius:11px;font-size:12px}
.brand-compact .brand-name{font-size:16px}
.site-header.is-shrunk .brand-compact{display:flex}
.nav-links{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.nav-links a{display:inline-block;padding:8px 16px;border-radius:var(--r-pill);font-size:15px;font-weight:500;color:#3c4c6d}
.nav-links a:hover{background:var(--c-brand-soft);color:var(--c-brand)}
.nav-links a.is-active{background:var(--c-brand);color:#fff;font-weight:700;box-shadow:0 10px 22px -14px rgba(36,71,216,.9)}
.nav-right{display:flex;align-items:center;gap:12px}
.nav-cta{
  display:inline-block;padding:9px 20px;border-radius:var(--r-pill);
  background:linear-gradient(135deg,#2447d8,#3a63f0);color:#fff;font-size:14px;font-weight:700;
  box-shadow:0 14px 26px -16px rgba(36,71,216,.95);
}
.nav-cta:hover{transform:translateY(-1px);box-shadow:0 18px 30px -16px rgba(36,71,216,1)}
.nav-toggle{display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--c-line);background:#fff;cursor:pointer;place-items:center}
.nav-toggle span{display:block;width:18px;height:2px;background:#20305a;border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:#20305a;border-radius:2px}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.mobile-drawer{display:none;padding:12px 20px 20px;border-top:1px solid var(--c-line);background:#fff}
.mobile-drawer.is-open{display:block}
.mobile-drawer a{display:block;padding:12px 14px;border-radius:12px;font-weight:600;color:#2b3a5c}
.mobile-drawer a:hover{background:var(--c-brand-soft);color:var(--c-brand)}
.mobile-drawer .drawer-cta{margin-top:8px;background:var(--c-brand);color:#fff;text-align:center}

/* ---------- generic ---------- */
.section{padding:var(--sp) 0;position:relative}
.section--tight{padding:46px 0}
.section--alt{background:linear-gradient(180deg,#ffffff 0%,#f7faff 100%)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap}
.section-title{font-size:clamp(22px,2.4vw,30px);font-weight:900;letter-spacing:.3px;margin:0 0 10px}
.section-desc{font-size:15px;color:var(--c-muted);max-width:780px;margin:0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--c-brand);
  background:var(--c-brand-soft);border:1px solid #d9e4ff;border-radius:var(--r-pill);padding:5px 14px;margin-bottom:14px;
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-pill);font-size:15px;font-weight:700;cursor:pointer;border:1px solid transparent;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{background:linear-gradient(135deg,#2447d8,#3a63f0);color:#fff;box-shadow:0 16px 28px -16px rgba(36,71,216,.95)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 22px 34px -16px rgba(36,71,216,1)}
.btn-primary:active{transform:translateY(0);box-shadow:0 10px 20px -14px rgba(36,71,216,.9)}
.btn-ghost{background:#fff;border-color:#cfdcf7;color:#27365a;box-shadow:var(--sh-1)}
.btn-ghost:hover{border-color:var(--c-brand);color:var(--c-brand);background:var(--c-brand-soft);transform:translateY(-2px)}
.btn-block{width:100%}
.btn-note{font-size:12.5px;color:#7a8aab}
.chip{display:inline-block;font-size:13px;padding:6px 14px;border-radius:var(--r-pill);background:#fff;border:1px solid var(--c-line);color:#41527a;font-weight:500}
.chip:hover{border-color:#b9cbf5;color:var(--c-brand);background:var(--c-brand-soft)}
.badge{display:inline-block;font-size:12px;font-weight:700;padding:3px 10px;border-radius:var(--r-pill);background:var(--c-brand-soft);color:var(--c-brand)}

/* ---------- hero ---------- */
.hero-apply{
  position:relative;overflow:hidden;padding:62px 0 52px;
  background:
    radial-gradient(900px 420px at 6% -20%,#e5eeff 0%,rgba(245,248,255,0) 62%),
    radial-gradient(720px 380px at 94% -6%,#e6f6ff 0%,rgba(245,248,255,0) 58%);
}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.12fr) minmax(0,.88fr);gap:40px;align-items:start}
.hero-title{font-size:clamp(26px,3.4vw,42px);font-weight:900;letter-spacing:.4px;margin:0 0 16px}
.hero-sub{font-size:16px;color:var(--c-muted);max-width:620px;margin-bottom:22px}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:24px}
.badge-pill{
  display:inline-flex;align-items:center;gap:7px;background:#fff;border:1px solid var(--c-line);
  border-radius:var(--r-pill);padding:7px 15px;font-size:13px;font-weight:700;color:#2f3f66;box-shadow:var(--sh-1);
}
.badge-pill i{color:var(--c-brand)}
.qual-box{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);padding:22px 24px;box-shadow:var(--sh-1);margin-bottom:26px}
.qual-box h3{font-size:15px;margin-bottom:12px;color:#22314f;display:flex;align-items:center;gap:8px}
.qual-box h3 i{color:var(--c-brand)}
.qual-list{display:grid;gap:10px}
.qual-list li{position:relative;padding-left:26px;font-size:14px;color:#3f4f72}
.qual-list li::before{content:"\2713";position:absolute;left:0;top:-1px;color:var(--c-brand);font-weight:900}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center}

.panel-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);box-shadow:var(--sh-2);overflow:hidden}
.panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:15px 22px;background:linear-gradient(135deg,#2447d8,#3a63f0);color:#fff;flex-wrap:wrap}
.live{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700}
.live-dot{width:9px;height:9px;border-radius:50%;background:#7ef0b0;box-shadow:0 0 0 0 rgba(126,240,176,.75);animation:pulse 1.9s infinite}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(126,240,176,.7)}
  70%{box-shadow:0 0 0 10px rgba(126,240,176,0)}
  100%{box-shadow:0 0 0 0 rgba(126,240,176,0)}
}
.panel-head-time{font-size:12.5px;background:rgba(255,255,255,.2);border:1px solid rgba(255,255,255,.32);border-radius:var(--r-pill);padding:3px 12px}
.panel-body{padding:22px}
.countdown{display:flex;align-items:baseline;gap:8px;font-size:14px;color:var(--c-muted);margin-bottom:6px;flex-wrap:wrap}
.countdown strong{font-size:26px;font-weight:900;color:var(--c-ink);letter-spacing:1px;font-variant-numeric:tabular-nums}
.panel-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:18px 0;padding:16px 0;border-top:1px dashed var(--c-line);border-bottom:1px dashed var(--c-line)}
.panel-stats b{display:block;font-size:19px;font-weight:900;color:var(--c-ink)}
.panel-stats span{font-size:12px;color:var(--c-muted)}
.apply-form{display:grid;gap:12px}
.field{display:grid;gap:6px}
.field label{font-size:13px;font-weight:700;color:#33456b}
.field input,.field select{
  width:100%;padding:12px 14px;border-radius:var(--r-sm);border:1px solid #d8e2f5;background:#fbfdff;
  font-size:14px;outline:none;transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field input:focus,.field select:focus{border-color:var(--c-brand);box-shadow:0 0 0 4px rgba(36,71,216,.12);background:#fff}
.form-note{font-size:12.5px;color:#7a8aab}

/* ---------- stats & rhythm ---------- */
.stats-band{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);box-shadow:var(--sh-1);
  padding:26px;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;
}
.stat b{display:block;font-size:clamp(22px,2.6vw,30px);font-weight:900;color:var(--c-brand);line-height:1.25}
.stat span{font-size:13px;color:var(--c-muted)}
.rhythm-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-top:26px}
.rhythm-item{position:relative;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);padding:24px 22px 20px;box-shadow:var(--sh-1);transition:transform .25s ease,box-shadow .25s ease}
.rhythm-item:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.rhythm-item::before{content:"";position:absolute;left:22px;top:0;width:36px;height:4px;border-radius:0 0 6px 6px;background:linear-gradient(90deg,#2447d8,#0ea5e9)}
.rhythm-time{font-size:13px;font-weight:800;color:var(--c-brand);letter-spacing:.5px}
.rhythm-item h4{font-size:16px;margin:8px 0 6px}
.rhythm-item p{font-size:13.5px;color:var(--c-muted)}

/* ---------- topics ---------- */
.topic-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.topic-card{
  display:flex;flex-direction:column;gap:10px;background:#fff;border:1px solid var(--c-line);
  border-radius:var(--r-lg);padding:24px;box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.topic-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#d5e0f7}
.topic-icon{width:44px;height:44px;border-radius:14px;display:grid;place-items:center;background:var(--c-brand-soft);color:var(--c-brand);font-size:18px}
.topic-card:nth-child(2n) .topic-icon{background:#e8f7ef;color:#15803d}
.topic-card:nth-child(3n) .topic-icon{background:#e6f6fd;color:#0e7490}
.topic-card:nth-child(5n) .topic-icon{background:#fff2e6;color:#c2410c}
.topic-card h3{font-size:16.5px}
.topic-card p{font-size:13.5px;color:var(--c-muted);flex:1}
.topic-meta{font-size:12.5px;color:#7a8aab;border-top:1px dashed var(--c-line);padding-top:12px}

/* ---------- feed ---------- */
.filter-bar{
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);padding:12px 14px;box-shadow:var(--sh-1);margin-bottom:26px;
}
.filter-form{display:flex;align-items:center;gap:8px;flex:1;min-width:250px}
.filter-form i{color:#8d9cbb;padding-left:8px}
.filter-form input{flex:1;min-width:0;border:0;outline:none;background:transparent;padding:10px 6px;font-size:14px}
.filter-btn{border:0;border-radius:var(--r-pill);background:var(--c-brand);color:#fff;padding:9px 20px;font-size:14px;font-weight:700;transition:background .2s ease,transform .2s ease}
.filter-btn:hover{background:var(--c-brand-dark);transform:translateY(-1px)}
.chip-row{display:flex;gap:8px;flex-wrap:wrap;padding:2px 4px}
.feed-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.feed-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);transition:transform .25s ease,box-shadow .25s ease;
}
.feed-card:hover{transform:translateY(-5px);box-shadow:var(--sh-2)}
.feed-thumb{
  position:relative;aspect-ratio:16/9;display:flex;align-items:flex-end;justify-content:space-between;gap:10px;
  padding:12px 14px;color:#fff;background:linear-gradient(135deg,#1f3fa8,#0ea5e9);
}
.feed-card:nth-child(2) .feed-thumb{background:linear-gradient(135deg,#0e7490,#22d3ee)}
.feed-card:nth-child(3) .feed-thumb{background:linear-gradient(135deg,#7c3aed,#2447d8)}
.feed-card:nth-child(4) .feed-thumb{background:linear-gradient(135deg,#c2410c,#f97316)}
.feed-card:nth-child(5) .feed-thumb{background:linear-gradient(135deg,#15803d,#4ade80)}
.feed-card:nth-child(6) .feed-thumb{background:linear-gradient(135deg,#1e293b,#3a63f0)}
.feed-thumb::after{content:"";position:absolute;inset:0;background:radial-gradient(400px 160px at 82% 8%,rgba(255,255,255,.3),transparent 62%)}
.thumb-tag{position:relative;z-index:1;font-size:12px;font-weight:700;background:rgba(255,255,255,.22);border:1px solid rgba(255,255,255,.36);border-radius:var(--r-pill);padding:3px 10px}
.thumb-time{position:relative;z-index:1;font-size:12px;font-weight:700;background:rgba(9,17,45,.55);border-radius:6px;padding:3px 8px;font-variant-numeric:tabular-nums}
.feed-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.feed-title{font-size:16px;font-weight:800}
.feed-desc{font-size:13.5px;color:var(--c-muted);flex:1}
.feed-meta{display:flex;flex-wrap:wrap;gap:12px;font-size:12.5px;color:#7a8aab;border-top:1px dashed var(--c-line);padding-top:12px}
.feed-meta b{color:#33456b;font-weight:700}
.list-more{display:flex;justify-content:center;margin-top:32px}

/* ---------- rank ---------- */
.rank-list{display:grid;gap:12px}
.rank-item{
  display:flex;align-items:center;gap:18px;background:#fff;border:1px solid var(--c-line);
  border-radius:var(--r-md);padding:16px 20px;box-shadow:var(--sh-1);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.rank-item:hover{transform:translateX(5px);border-color:#cfdcf7;box-shadow:var(--sh-2)}
.rank-no{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;font-weight:900;color:#fff;
  background:linear-gradient(135deg,#2447d8,#3a63f0);flex:0 0 auto;font-variant-numeric:tabular-nums;
}
.rank-item:nth-child(1) .rank-no{background:linear-gradient(135deg,#f97316,#fbbf24)}
.rank-item:nth-child(2) .rank-no{background:linear-gradient(135deg,#0ea5e9,#38bdf8)}
.rank-item:nth-child(3) .rank-no{background:linear-gradient(135deg,#15803d,#4ade80)}
.rank-info{flex:1;min-width:0}
.rank-info h4{font-size:15.5px;margin-bottom:4px}
.rank-info p{font-size:13px;color:var(--c-muted)}
.rank-score{text-align:right;flex:0 0 auto}
.rank-score b{display:block;font-size:16px;font-weight:900;color:var(--c-brand)}
.rank-score span{font-size:12px;color:var(--c-muted)}

/* ---------- creators ---------- */
.creator-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.creator-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);padding:22px;box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease;
}
.creator-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.avatar{width:52px;height:52px;border-radius:16px;display:grid;place-items:center;font-weight:900;color:#fff;background:linear-gradient(135deg,#2447d8,#0ea5e9);margin-bottom:14px;font-size:18px}
.creator-card:nth-child(2) .avatar{background:linear-gradient(135deg,#0e7490,#22d3ee)}
.creator-card:nth-child(3) .avatar{background:linear-gradient(135deg,#c2410c,#f97316)}
.creator-card:nth-child(4) .avatar{background:linear-gradient(135deg,#1e293b,#3a63f0)}
.creator-card h4{font-size:16px}
.creator-role{font-size:13px;color:var(--c-muted);margin:4px 0 12px}
.tag-row{display:flex;flex-wrap:wrap;gap:8px}
.mini-tag{font-size:12px;padding:3px 10px;border-radius:var(--r-pill);background:var(--c-brand-soft);color:var(--c-brand);font-weight:600}
.creator-stats{display:flex;gap:18px;margin-top:16px;padding-top:14px;border-top:1px dashed var(--c-line);font-size:12.5px;color:var(--c-muted)}
.creator-stats b{color:var(--c-ink);font-size:14px}

/* ---------- channels ---------- */
.channel-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.channel-card{
  display:flex;flex-direction:column;gap:10px;background:#fff;border:1px solid var(--c-line);
  border-radius:var(--r-lg);padding:24px;box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.channel-card:hover{transform:translateY(-5px);box-shadow:var(--sh-2);border-color:#cfdcf7}
.channel-icon{width:44px;height:44px;border-radius:14px;display:grid;place-items:center;background:var(--c-brand-soft);color:var(--c-brand);font-size:17px}
.channel-card h3{font-size:16.5px}
.channel-card p{font-size:13.5px;color:var(--c-muted);flex:1}
.channel-card .more{font-size:13px;font-weight:700;color:var(--c-brand);margin-top:auto}
.channel-card .more i{transition:transform .2s ease;margin-left:4px}
.channel-card:hover .more i{transform:translateX(3px)}

/* ---------- reviews ---------- */
.review-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.review-card{display:flex;flex-direction:column;gap:14px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);padding:24px;box-shadow:var(--sh-1)}
.review-stars{color:#f59e0b;font-size:13px;letter-spacing:3px}
.review-text{font-size:14px;color:#3f4f72;flex:1}
.review-user{display:flex;align-items:center;gap:10px;border-top:1px dashed var(--c-line);padding-top:14px;font-size:13px;color:var(--c-muted)}
.review-user b{color:var(--c-ink);font-size:14px}
.review-avatar{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;background:var(--c-brand-soft);color:var(--c-brand);font-weight:800;font-size:13px;flex:0 0 auto}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:12px;max-width:940px}
.faq-item{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);box-shadow:var(--sh-1);overflow:hidden;transition:border-color .2s ease}
.faq-item:hover{border-color:#cfdcf7}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;text-align:left;padding:18px 22px;background:none;border:0;font-size:15.5px;font-weight:700;color:#1e2c4a}
.faq-q i{color:var(--c-brand);transition:transform .25s ease;flex:0 0 auto}
.faq-item.is-open .faq-q i{transform:rotate(180deg)}
.faq-a{display:none;padding:0 22px 20px;font-size:14px;color:var(--c-muted)}
.faq-item.is-open .faq-a{display:block}

/* ---------- cta ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-lg);padding:40px;color:#fff;
  background:linear-gradient(135deg,#1f3fbf 0%,#2447d8 52%,#0ea5e9 100%);box-shadow:var(--sh-2);
}
.cta-band::after{content:"";position:absolute;right:-70px;top:-70px;width:260px;height:260px;border-radius:50%;background:rgba(255,255,255,.12)}
.cta-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.1fr .9fr;gap:32px;align-items:center}
.cta-title{font-size:clamp(22px,2.6vw,30px);font-weight:900;margin-bottom:12px}
.cta-text{font-size:14.5px;color:rgba(255,255,255,.88);margin-bottom:18px}
.cta-points{display:grid;gap:8px;font-size:14px}
.cta-points li{position:relative;padding-left:24px;color:rgba(255,255,255,.94)}
.cta-points li::before{content:"\2713";position:absolute;left:0;font-weight:900;color:#a7f3d0}
.subscribe-form{display:grid;gap:12px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.32);border-radius:var(--r-lg);padding:22px}
.subscribe-form input{border:0;border-radius:var(--r-pill);padding:13px 18px;font-size:14px;outline:none;background:#fff;color:var(--c-ink);width:100%}
.subscribe-form input:focus{box-shadow:0 0 0 4px rgba(255,255,255,.4)}
.btn-light{background:#fff;color:var(--c-brand);border:0;border-radius:var(--r-pill);padding:13px 20px;font-weight:800;font-size:15px;transition:background .2s ease,transform .2s ease}
.btn-light:hover{background:#eef4ff;transform:translateY(-2px)}
.subscribe-note{font-size:12.5px;color:rgba(255,255,255,.82)}
.partner-strip{position:relative;z-index:1;margin-top:28px;display:flex;flex-wrap:wrap;gap:12px;align-items:center;font-size:13px;color:rgba(255,255,255,.84)}
.partner-strip .partner{padding:6px 14px;border-radius:var(--r-pill);border:1px solid rgba(255,255,255,.32);background:rgba(255,255,255,.1)}
.partner-strip a{text-decoration:underline;text-underline-offset:3px}
.partner-strip a:hover{color:#fff}

/* ---------- footer ---------- */
.site-footer{background:#0d1730;color:#c3cee6;padding:56px 0 26px;margin-top:var(--sp)}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;padding-bottom:32px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.footer-brand .brand-name{color:#fff;font-size:18px;font-weight:900}
.footer-desc{font-size:13.5px;color:#94a3c4;max-width:420px}
.footer-col h4{font-size:14px;color:#fff;margin-bottom:14px;font-weight:800}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:13.5px;color:#a9b6d4}
.footer-col a:hover{color:#fff}
.footer-bottom{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;padding-top:20px;font-size:12.5px;color:#8394b8}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:30px}
  .stats-band{grid-template-columns:repeat(2,minmax(0,1fr))}
  .topic-grid,.creator-grid,.channel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .feed-grid,.review-grid,.rhythm-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-grid{grid-template-columns:1fr;gap:24px}
  .footer-top{grid-template-columns:1fr 1fr;gap:26px}
  .nav-links a{padding:8px 12px;font-size:14px}
  .search-box{min-width:240px}
}
@media (max-width:768px){
  .topbar{display:none}
  .brand-compact{display:flex}
  .nav-links{display:none}
  .nav-toggle{display:grid}
  .nav-cta{display:none}
  .mainnav-inner{padding:12px 20px}
  .hero-apply{padding:40px 0 36px}
  .cta-band{padding:28px 22px}
  .rank-item{gap:12px;padding:14px 16px}
  .rank-score{display:none}
}
@media (max-width:520px){
  html body{font-size:15px}
  .container{padding:0 16px}
  .stats-band{grid-template-columns:1fr;gap:16px;padding:20px}
  .topic-grid,.creator-grid,.channel-grid,.feed-grid,.review-grid,.rhythm-grid{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr}
  .badge-pill{font-size:12px;padding:6px 12px}
  .hero-actions .btn{width:100%}
  .hero-actions{gap:10px}
  .panel-head{padding:14px 16px}
  .panel-body{padding:18px}
  .panel-stats{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}
  .panel-stats b{font-size:16px}
  .filter-bar{border-radius:var(--r-md);padding:12px}
  .filter-form{min-width:0}
}