/* roulang page: index */
:root{
  --or:#E8452B;
  --or-d:#B32E1C;
  --gold:#F2A93B;
  --teal:#16A394;
  --ink:#14100E;
  --ink2:#241D19;
  --paper:#FAF5EE;
  --paper2:#F1E8DC;
  --line:#E2D6C6;
  --tx:#1C1917;
  --mu:#6E635A;
  --rb:6px;
  --rc:8px;
  --rl:12px;
  --sh:4px 4px 0 rgba(20,16,14,.88);
  --shd:0 8px 24px rgba(0,0,0,.35);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--tx);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0}
ul,ol{list-style:none}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%;height:auto}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
:focus-visible{outline:3px solid var(--or);outline-offset:2px}
.num{font-family:"Oswald","Noto Sans SC",sans-serif;font-weight:600;font-style:normal;line-height:1}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  height:52px;padding:0 26px;border:2px solid var(--ink);border-radius:var(--rb);
  font-size:16px;font-weight:700;
  transition:transform .18s ease-out,box-shadow .18s ease-out,background-color .18s ease-out,color .18s ease-out;
}
.btn-main{background:var(--or);color:#fff;box-shadow:4px 4px 0 var(--ink2)}
.btn-main:hover{background:var(--or-d);transform:translate(2px,2px);box-shadow:2px 2px 0 var(--ink2)}
.btn-line{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-line:hover{background:var(--ink);color:#fff}
.btn-ghost{background:transparent;color:#fff;border-color:#fff}
.btn-ghost:hover{background:#fff;color:var(--ink)}
.btn-sm{height:44px;padding:0 18px;font-size:15px}
.dark .btn-main{box-shadow:4px 4px 0 rgba(0,0,0,.55)}
.dark .btn-main:hover{box-shadow:2px 2px 0 rgba(0,0,0,.55)}

/* tags */
.tag{display:inline-block;padding:4px 10px;border-radius:4px;font-size:12px;font-weight:700;line-height:1.6}
.tag-gold{background:var(--gold);color:var(--ink)}
.tag-teal{background:var(--teal);color:#fff}
.tag-line{border:1px solid var(--line);color:var(--mu);background:#fff}
.tag-dark{background:var(--ink2);color:var(--gold);border:1px solid rgba(242,169,59,.45)}

/* header */
.topbar{height:36px;background:var(--ink);color:var(--gold);font-size:12px;overflow:hidden}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;height:36px}
.ticker{flex:1;overflow:hidden;white-space:nowrap;mask-image:linear-gradient(90deg,transparent,#000 6%,#000 92%,transparent)}
.ticker span{display:inline-block;animation:marquee 26s linear infinite}
@keyframes marquee{from{transform:translateX(100%)}to{transform:translateX(-100%)}}
.toplinks{flex:0 0 auto}
.toplinks a{margin-left:18px;opacity:.85;transition:opacity .15s}
.toplinks a:hover{opacity:1;text-decoration:underline}
.mainnav{
  position:sticky;top:0;z-index:60;
  background:var(--paper);border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease-out;
}
.mainnav.stuck{box-shadow:0 4px 0 rgba(20,16,14,.08)}
.nav-in{display:flex;align-items:center;height:68px;gap:12px}
.logo{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:900;letter-spacing:-.02em;white-space:nowrap}
.logo-mark{width:24px;height:24px;background:var(--or);border-radius:3px;clip-path:polygon(0 22%,70% 0,100% 78%,26% 100%);flex:0 0 auto}
.nav-links{display:flex;gap:2px;margin-left:28px}
.nav-links a{position:relative;padding:8px 12px;font-size:15px;font-weight:500;transition:color .12s ease-out}
.nav-links a:hover{color:var(--or)}
.nav-links a.active{color:var(--or);font-weight:700}
.nav-links a.active::after{content:"";position:absolute;left:12px;right:12px;bottom:-2px;height:3px;background:var(--or);border-radius:2px}
.nav-act{margin-left:auto;display:flex;align-items:center;gap:10px}
.icon-btn{width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;border-radius:var(--rb);border:1px solid transparent;transition:border-color .18s,background .18s}
.icon-btn:hover{border-color:var(--line);background:var(--paper2)}
.icon-btn svg{width:20px;height:20px;stroke:var(--ink);fill:none;stroke-width:2}
.burger{display:none;width:44px;height:44px;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:var(--rb);font-size:22px;line-height:1}
.burger:hover{background:var(--paper2)}

/* drawer */
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:84vw;max-width:360px;z-index:120;
  background:var(--paper);padding:24px;display:flex;flex-direction:column;
  transform:translateX(100%);transition:transform .22s ease-out;overflow-y:auto;
}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.drawer-head strong{font-size:18px;font-weight:900}
.drawer-close{width:40px;height:40px;font-size:24px;line-height:1;border-radius:var(--rb);border:1px solid var(--line)}
.drawer nav a{display:block;padding:16px 4px;font-size:18px;font-weight:500;border-bottom:1px solid var(--line)}
.drawer nav a.active{color:var(--or);font-weight:700}
.drawer-foot{margin-top:auto;padding-top:24px}
.drawer-foot .btn{width:100%}
.drawer-foot p{margin-top:12px;font-size:12px;color:var(--mu)}
.mask{position:fixed;inset:0;background:rgba(20,16,14,.55);z-index:110;opacity:0;visibility:hidden;transition:opacity .22s}
.mask.open{opacity:1;visibility:visible}
body.lock{overflow:hidden}

/* hero */
.hero{position:relative;background:var(--ink);color:#fff;overflow:hidden}
.hero-bg{
  position:absolute;inset:0;
  background:url('/assets/images/227ccfcc1410170c.jpg') center/cover no-repeat;
  opacity:.16;
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:repeating-linear-gradient(115deg,rgba(242,169,59,.06) 0 1px,transparent 1px 46px);
}
.hero-in{position:relative;z-index:2;display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;min-height:620px;padding-top:72px;padding-bottom:72px}
.hero h1{font-size:clamp(30px,4.4vw,56px);font-weight:900;letter-spacing:-.02em;line-height:1.2;margin-top:20px}
.hero h1 em{font-style:normal;color:var(--gold)}
.hero-sub{margin-top:20px;font-size:16px;line-height:1.75;color:#D9CFC2;max-width:34em}
.hero-btns{display:flex;flex-wrap:wrap;gap:16px;margin-top:32px}
.hero-note{margin-top:14px;font-size:12px;color:rgba(255,255,255,.7)}
.hero-stats{display:flex;gap:28px;margin-top:40px;flex-wrap:wrap}
.hero-stats li{padding-right:28px;border-right:1px solid rgba(255,255,255,.18)}
.hero-stats li:last-child{border-right:0;padding-right:0}
.hero-stats b{display:block;font-size:32px;color:var(--gold)}
.hero-stats span{font-size:12px;color:rgba(255,255,255,.7)}
.player{position:relative;aspect-ratio:16/9;border:2px solid rgba(255,255,255,.5);border-radius:var(--rl);overflow:hidden;box-shadow:var(--shd);background:var(--ink2)}
.player img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.player-no{position:absolute;left:14px;bottom:14px;background:var(--gold);color:var(--ink);font-size:14px;padding:3px 10px;border-radius:4px;z-index:2}
.player-status{
  position:absolute;right:14px;bottom:14px;z-index:2;
  display:flex;align-items:center;gap:8px;
  background:rgba(20,16,14,.78);border:1px solid rgba(255,255,255,.18);
  padding:6px 12px;border-radius:6px;font-size:12px;
}
.player-status i{width:8px;height:8px;border-radius:50%;background:var(--teal);box-shadow:0 0 0 3px rgba(22,163,148,.22)}
.player-status .bar{width:64px;height:4px;border-radius:2px;background:rgba(255,255,255,.24);overflow:hidden}
.player-status .bar b{display:block;width:62%;height:100%;background:var(--or)}

/* section base */
.sec{padding:88px 0}
.sec-alt{background:var(--paper2)}
.sec-dark{background:var(--ink);color:#fff}
.sec-dark .sec-sub{color:#D9CFC2}
.sec-head{margin-bottom:40px;max-width:760px}
.sec-head h2{font-size:clamp(22px,2.4vw,34px);font-weight:900;letter-spacing:-.02em;line-height:1.2}
.sec-sub{margin-top:12px;font-size:15px;line-height:1.75;color:var(--mu)}
.sec-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap}
.tlink{font-size:14px;font-weight:700;color:var(--or);border-bottom:2px solid transparent;transition:border-color .15s}
.tlink:hover{border-color:var(--or)}
.sec-dark .tlink{color:var(--gold)}
.sec-dark .tlink:hover{border-color:var(--gold)}

/* features */
.feat-grid{display:grid;grid-template-columns:7fr 5fr;gap:24px;align-items:stretch}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--rc);transition:transform .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out}
.card:hover{transform:translateY(-4px);border-color:var(--or);box-shadow:var(--sh)}
.feat-main{position:relative;padding:24px}
.feat-main h3{font-size:19px;font-weight:900;margin-top:20px}
.feat-main p{margin-top:10px;font-size:15px;color:var(--mu)}
.deco{position:absolute;top:16px;left:20px;font-size:30px;color:var(--gold);opacity:.35;z-index:2}
.ph{background:var(--paper2);overflow:hidden;border-radius:6px}
.ph img{width:100%;height:100%;object-fit:cover;transition:transform .2s ease-out}
.card:hover .ph img{transform:scale(1.03)}
.feat-img{aspect-ratio:4/3}
.feat-side{display:flex;flex-direction:column;gap:24px}
.feat-row{position:relative;display:grid;grid-template-columns:104px 1fr;gap:16px;padding:16px;align-items:center}
.feat-row .ph{aspect-ratio:1/1}
.feat-row h3{font-size:17px;font-weight:900;margin-top:6px}
.feat-row p{margin-top:6px;font-size:14px;color:var(--mu)}
.feat-row .deco{position:static;display:block;font-size:24px;opacity:.3}
.feat-main .tlink{display:inline-block;margin-top:16px}

/* steps + tabs */
.demo-grid{display:grid;grid-template-columns:4fr 8fr;gap:48px;align-items:start}
.steps li{position:relative;padding:0 0 28px 20px;border-left:1px solid var(--line)}
.steps li:last-child{padding-bottom:0;border-left-color:transparent}
.steps li .num{display:block;font-size:26px;color:var(--gold);margin-bottom:6px}
.steps li h3{font-size:17px;font-weight:900}
.steps li p{margin-top:6px;font-size:14px;color:var(--mu)}
.steps li.on::before{content:"";position:absolute;left:-2px;top:0;bottom:34px;width:4px;background:var(--or);border-radius:2px}
.steps li.on .num{color:var(--or)}
.tabs{display:flex;gap:8px;border-bottom:1px solid var(--line);margin-bottom:24px}
.tab-btn{padding:12px 4px;margin-right:20px;font-size:15px;font-weight:700;color:var(--mu);border-bottom:2px solid transparent;transition:color .18s,border-color .18s}
.tab-btn:hover{color:var(--or)}
.tab-btn.on{color:var(--or);border-bottom-color:var(--or)}
.pane{display:none;justify-content:center}
.pane.on{display:flex}
.device{border:2px solid var(--ink2);border-radius:var(--rl);overflow:hidden;background:var(--ink2);box-shadow:var(--sh);width:100%}
.device img{width:100%;height:100%;object-fit:cover}
.dev-phone{max-width:300px;aspect-ratio:9/16}
.dev-pad{max-width:520px;aspect-ratio:4/3}
.dev-tv{max-width:100%;aspect-ratio:16/9}

/* collections rail */
.rail{display:flex;gap:24px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:8px;scrollbar-width:none;-ms-overflow-style:none;-webkit-overflow-scrolling:touch}
.rail::-webkit-scrollbar{display:none}
.rail>*{flex:0 0 calc((100% - 72px)/3.5);scroll-snap-align:start}
.rail-controls{display:flex;gap:8px}
.rail-btn{width:40px;height:40px;border:1px solid var(--line);border-radius:var(--rb);background:#fff;font-size:16px;transition:background .18s,border-color .18s}
.rail-btn:hover{background:var(--paper2);border-color:var(--or)}
.tcard{position:relative;border:1px solid var(--line);border-radius:var(--rc);overflow:hidden;background:var(--paper2);transition:transform .2s ease-out,border-color .2s}
.tcard:hover{transform:translateY(-4px);border-color:var(--or)}
.tcard .ph{aspect-ratio:3/4;border-radius:0}
.tcard .tag{position:absolute;top:12px;right:12px;z-index:3}
.tcard-info{position:absolute;left:0;right:0;bottom:0;padding:40px 16px 16px;background:linear-gradient(transparent,rgba(20,16,14,.92));color:#fff;transition:transform .2s ease-out}
.tcard:hover .tcard-info{transform:translateY(-4px)}
.tcard-info h3{font-size:17px;font-weight:900;line-height:1.4}
.tcard-info span{font-size:12px;color:var(--gold)}

/* creators */
.creators{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.ccard{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--rc);overflow:hidden;padding-bottom:20px;transition:transform .2s ease-out,box-shadow .2s ease-out}
.ccard::before{content:"";display:block;height:6px;background:var(--or);transition:background .2s}
.ccard:hover{transform:translateY(-4px);box-shadow:var(--sh)}
.ccard:hover::before{background:var(--or-d)}
.ccard-no{position:absolute;top:16px;right:16px;font-size:40px;color:transparent;-webkit-text-stroke:1px var(--line);z-index:2}
.ccard .ph{width:calc(100% - 40px);margin:20px 20px 0;aspect-ratio:1/1;border-radius:var(--rc)}
.ccard-body{padding:16px 20px 0}
.ccard-body h3{font-size:17px;font-weight:900}
.ccard-body .tag{margin-top:8px}
.ccard-body p{margin-top:8px;font-size:13px;color:var(--mu)}

/* rank */
.rank-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:start}
.rank-list li{display:grid;grid-template-columns:56px 1fr auto;gap:16px;align-items:center;padding:16px 12px;border-bottom:1px solid rgba(255,255,255,.12);transition:background .2s}
.rank-list li:first-child{border-top:1px solid rgba(255,255,255,.12)}
.rank-list li:hover{background:rgba(255,255,255,.06)}
.rank-no{font-size:32px;color:rgba(255,255,255,.3)}
.rank-list li:nth-child(-n+3) .rank-no{color:var(--gold)}
.rank-name{font-size:16px;font-weight:700}
.rank-val{font-size:12px;color:rgba(255,255,255,.6)}
.rank-side{background:var(--ink2);border:1px solid rgba(255,255,255,.12);border-radius:var(--rc);padding:28px}
.rank-side h3{font-size:19px;font-weight:900}
.rank-side p{margin-top:12px;font-size:15px;color:#D9CFC2}
.rank-metrics{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:24px}
.rank-metrics div{background:rgba(255,255,255,.05);border-radius:6px;padding:14px}
.rank-metrics b{display:block;font-size:28px;color:var(--gold)}
.rank-metrics span{font-size:12px;color:rgba(255,255,255,.65)}
.rank-side .tlink{display:inline-block;margin-top:24px}

/* social proof */
.barrage{background:var(--ink);color:#fff;border-radius:var(--rc);overflow:hidden;padding:12px 0;margin-bottom:40px}
.barrage-track{display:flex;gap:40px;white-space:nowrap;animation:slide 30s linear infinite}
.barrage:hover .barrage-track{animation-play-state:paused}
@keyframes slide{from{transform:translateX(0)}to{transform:translateX(-50%)}}
.barrage-track span{font-size:12px;color:rgba(255,255,255,.82)}
.barrage-track span::before{content:"▍";color:var(--or);margin-right:6px}
.quotes{display:grid;grid-template-columns:1.35fr 1fr 1fr;gap:24px;align-items:start}
.qcard{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--rc);padding:28px;transition:transform .2s ease-out,border-color .2s}
.qcard:nth-child(2){margin-top:24px}
.qcard:nth-child(3){margin-top:48px}
.qcard:hover{transform:translateY(-4px);border-color:var(--or)}
.qcard::before{content:"“";position:absolute;top:8px;left:20px;font-size:48px;line-height:1;color:var(--gold);opacity:.5}
.qcard p{position:relative;font-size:15px;color:var(--tx);margin-top:16px}
.qfoot{display:flex;align-items:center;justify-content:space-between;margin-top:20px;padding-top:16px;border-top:1px solid var(--line)}
.qfoot strong{font-size:14px}
.qscore{display:flex;align-items:center;gap:8px}
.qscore i{width:12px;height:12px;background:var(--gold);border-radius:2px}
.qscore span{font-size:16px;color:var(--ink)}

/* compare */
.cmp-wrap{overflow-x:auto;border-radius:var(--rc);border:1px solid var(--line);background:#fff}
table.cmp{width:100%;border-collapse:collapse;min-width:620px}
table.cmp th,table.cmp td{padding:0 20px;height:56px;text-align:left;font-size:15px;border-bottom:1px solid var(--line)}
table.cmp thead th{font-size:14px;font-weight:700;background:var(--paper2);color:var(--tx)}
table.cmp td:first-child{width:30%;font-weight:700}
table.cmp td:nth-child(2){width:35%;color:var(--mu)}
table.cmp td.col-hl{width:35%;color:var(--or);font-weight:700;background:#FFF7F2;border-left:2px solid var(--or)}
table.cmp tr:last-child td{border-bottom:0}
.mk-x{color:#A79C90;margin-right:6px}
.mk-y{color:var(--teal);margin-right:6px;font-weight:700}

/* stats + chart */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat{background:var(--ink2);border:1px solid rgba(255,255,255,.1);border-radius:var(--rc);padding:24px}
.stat b{display:block;font-size:clamp(32px,4vw,48px);color:var(--gold);line-height:1.1}
.stat span{display:block;margin-top:8px;font-size:12px;color:rgba(255,255,255,.65)}
.stat p{margin-top:10px;font-size:13px;color:#D9CFC2}
.chart{margin-top:48px;background:var(--ink2);border:1px solid rgba(255,255,255,.1);border-radius:var(--rc);padding:28px}
.bars{display:flex;align-items:flex-end;gap:16px;height:200px;border-bottom:1px solid rgba(255,255,255,.2)}
.barwrap{flex:1;display:flex;flex-direction:column;justify-content:flex-end;align-items:center;gap:6px;height:100%}
.barwrap b{font-size:12px;color:var(--gold)}
.bar{width:100%;max-width:56px;min-width:18px;border-radius:3px 3px 0 0;background:linear-gradient(to top,var(--or),var(--gold))}
.axis{display:flex;gap:16px;margin-top:10px}
.axis span{flex:1;text-align:center;font-size:12px;color:rgba(255,255,255,.6)}
.legend{margin-top:14px;font-size:12px;color:rgba(255,255,255,.6)}

/* update list */
.upd-grid{display:grid;grid-template-columns:8fr 4fr;gap:48px;align-items:start}
.upd-list li{display:grid;grid-template-columns:96px 1fr auto;gap:16px;align-items:center;height:64px;border-bottom:1px solid var(--line)}
.upd-list li:first-child{border-top:1px solid var(--line)}
.upd-list time{font-size:13px;color:var(--mu)}
.upd-list a{font-size:16px;transition:color .15s}
.upd-list a:hover{color:var(--or);text-decoration:underline}
.filter-card{background:#fff;border:1px solid var(--line);border-radius:var(--rc);padding:24px;box-shadow:var(--sh)}
.filter-card h3{font-size:17px;font-weight:900}
.filter-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.filter-tags .tag{cursor:pointer;transition:background .18s,color .18s,border-color .18s}
.filter-tags .tag:hover{border-color:var(--or);color:var(--or)}
.filter-tags .on{background:var(--or);color:#fff;border-color:var(--or)}
.filter-card p{margin-top:16px;font-size:13px;color:var(--mu)}
.filter-card .btn{width:100%;margin-top:20px}

/* faq */
.faq-grid{display:grid;grid-template-columns:4fr 8fr;gap:48px;align-items:start}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:first-child{border-top:1px solid var(--line)}
.faq-q{display:flex;width:100%;align-items:center;justify-content:space-between;gap:16px;padding:20px 16px;text-align:left;font-size:17px;font-weight:700;transition:background .18s,color .18s}
.faq-q:hover{color:var(--or)}
.faq-ic{font-size:20px;color:var(--or);flex:0 0 auto;transition:transform .18s ease-out}
.faq-item.open .faq-ic{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .18s ease-out}
.faq-a p{padding:0 16px 20px;font-size:15px;line-height:1.75;color:var(--mu)}
.faq-item.open{background:var(--paper);box-shadow:inset 3px 0 0 var(--or)}

/* promise bar */
.promise{background:var(--ink);color:#fff;padding:32px 0}
.promise ul{display:grid;grid-template-columns:repeat(4,1fr)}
.promise li{display:flex;align-items:center;gap:12px;padding:0 24px;border-right:1px solid rgba(255,255,255,.16);font-size:14px}
.promise li:last-child{border-right:0}
.promise svg{width:20px;height:20px;stroke:var(--gold);fill:none;stroke-width:1.8;flex:0 0 auto}

/* subscribe */
.subscribe{max-width:720px;margin:0 auto;text-align:center}
.subscribe h2{font-size:clamp(22px,2.4vw,34px);font-weight:900;letter-spacing:-.02em;line-height:1.2}
.subscribe p{margin-top:12px;font-size:15px;color:var(--mu)}
.sub-form{display:flex;gap:12px;margin-top:28px}
.sub-form input{flex:1;height:52px;padding:0 16px;border:1px solid var(--line);border-radius:var(--rb);background:#fff;font-size:15px;transition:border-color .18s,box-shadow .18s}
.sub-form input:focus{outline:none;border-color:var(--or);box-shadow:0 0 0 2px rgba(232,69,43,.18)}
.sub-note{margin-top:14px;font-size:12px;color:var(--mu)}
.sub-ok{margin-top:10px;font-size:13px;color:var(--teal)}

/* final cta */
.final{position:relative;background:var(--ink);color:#fff;padding:88px 0;overflow:hidden}
.final-shape{
  position:absolute;right:-80px;top:-40px;width:420px;height:420px;
  background:linear-gradient(135deg,var(--or),var(--or-d));
  clip-path:polygon(38% 0,100% 0,100% 62%,62% 100%,0 100%,0 38%);
  opacity:.5;
}
.final-in{position:relative;z-index:2;max-width:760px}
.final h2{font-size:clamp(26px,3.6vw,44px);font-weight:900;letter-spacing:-.02em;line-height:1.2}
.final p{margin-top:16px;font-size:15px;color:#D9CFC2;max-width:34em}
.final .btn-row{display:flex;flex-wrap:wrap;gap:16px;margin-top:32px}

/* footer */
.site-foot{background:var(--ink);color:#fff;padding:64px 0 0}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.foot-brand .logo{color:#fff}
.foot-brand p{margin-top:16px;font-size:13px;color:rgba(255,255,255,.62);max-width:26em}
.socials{display:flex;gap:10px;margin-top:20px}
.socials a{width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;border:1px solid rgba(255,255,255,.2);border-radius:var(--rb);transition:border-color .18s,background .18s}
.socials a:hover{border-color:var(--gold);background:rgba(242,169,59,.12)}
.socials svg{width:18px;height:18px;stroke:var(--gold);fill:none;stroke-width:1.8}
.foot-col h4{font-size:14px;font-weight:700;margin-bottom:16px;color:var(--gold)}
.foot-col a{display:block;font-size:14px;line-height:32px;color:rgba(255,255,255,.72);transition:color .15s}
.foot-col a:hover{color:var(--gold)}
.foot-keys{display:flex;flex-wrap:wrap;gap:8px;margin-top:48px;padding-top:28px;border-top:1px solid rgba(255,255,255,.12)}
.foot-keys a{font-size:12px;padding:5px 10px;border-radius:4px;border:1px solid rgba(255,255,255,.18);color:rgba(255,255,255,.72);transition:color .15s,border-color .15s}
.foot-keys a:hover{color:var(--gold);border-color:var(--gold)}
.foot-bottom{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;margin-top:28px;padding:20px 0;border-top:1px solid rgba(255,255,255,.12);font-size:12px;color:rgba(255,255,255,.6)}
.foot-bottom a{margin-left:18px;transition:color .15s}
.foot-bottom a:hover{color:var(--gold)}

/* fixed bar */
.fixbar{
  position:fixed;left:0;right:0;bottom:0;z-index:80;
  height:60px;background:var(--ink);border-top:1px solid var(--gold);
  display:flex;align-items:center;
  transform:translateY(110%);transition:transform .22s ease-out;
}
.fixbar.show{transform:translateY(0)}
.fixbar.dismissed{display:none}
.fixbar .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px}
.fixbar p{font-size:14px;color:#D9CFC2}
.fixbar .acts{display:flex;align-items:center;gap:12px}
.fix-close{width:24px;height:24px;display:inline-flex;align-items:center;justify-content:center;color:rgba(255,255,255,.6);font-size:18px;line-height:1}
.fix-close:hover{color:#fff}

/* responsive */
@media (max-width:1024px){
  .nav-links{margin-left:16px}
  .nav-links a{padding:8px 8px;font-size:14px}
  .hero-in{grid-template-columns:1fr;gap:40px;min-height:0;padding-top:56px;padding-bottom:56px}
  .feat-grid{grid-template-columns:1fr;gap:24px}
  .demo-grid{grid-template-columns:1fr;gap:32px}
  .rank-grid{grid-template-columns:1fr;gap:32px}
  .upd-grid{grid-template-columns:1fr;gap:32px}
  .faq-grid{grid-template-columns:1fr;gap:24px}
  .creators{grid-template-columns:repeat(2,1fr)}
  .quotes{grid-template-columns:1fr 1fr}
  .qcard:nth-child(3){margin-top:0}
  .rail>*{flex:0 0 calc((100% - 48px)/2.5)}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr}
  .sec{padding:64px 0}
}
@media (max-width:768px){
  .toplinks{display:none}
  .nav-links{display:none}
  .burger{display:inline-flex}
  .nav-in{height:64px}
  .hero-stats{gap:20px}
  .hero-stats li{padding-right:20px}
  .hero-stats b{font-size:26px}
  .rail>*{flex:0 0 76%}
  .rail-controls{display:none}
  .quotes{grid-template-columns:1fr}
  .qcard:nth-child(2){margin-top:0}
  .promise ul{grid-template-columns:1fr 1fr;gap:16px 0}
  .promise li{border-right:0;border-bottom:1px solid rgba(255,255,255,.16);padding:12px 16px}
  .promise li:nth-child(2n){border-right:0}
  .promise li:nth-last-child(-n+2){border-bottom:0}
  .sec-head-row{margin-bottom:28px}
  .final-shape{width:280px;height:280px;right:-100px;opacity:.35}
  .sub-form{flex-direction:column}
  .sub-form .btn{width:100%}
  body{padding-bottom:58px}
  .fixbar{height:58px;transform:translateY(0)}
  .fixbar p{display:none}
  .fixbar .wrap{justify-content:flex-end}
  .fixbar .acts{width:100%}
  .fixbar .btn{flex:1}
}
@media (max-width:520px){
  .wrap{padding:0 16px}
  body{font-size:15px}
  .sec{padding:48px 0}
  .creators{grid-template-columns:1fr}
  .hero-btns .btn{width:100%}
  .hero-stats{flex-direction:column;gap:14px}
  .hero-stats li{border-right:0;padding-right:0;border-bottom:1px solid rgba(255,255,255,.14);padding-bottom:12px}
  .hero-stats li:last-child{border-bottom:0;padding-bottom:0}
  .feat-row{grid-template-columns:80px 1fr}
  .rank-list li{grid-template-columns:44px 1fr;row-gap:4px}
  .rank-val{grid-column:2}
  .rank-no{font-size:26px}
  .upd-list li{grid-template-columns:1fr auto;height:auto;padding:14px 0}
  .upd-list time{grid-column:1/-1}
  .foot-grid{grid-template-columns:1fr}
  .foot-bottom{flex-direction:column;align-items:flex-start}
  .foot-bottom a{margin:0 16px 0 0}
  .bars{gap:8px}
  .axis{gap:8px}
  .bar{min-width:12px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .card:hover,.tcard:hover,.ccard:hover,.qcard:hover{transform:none}
  .tcard:hover img,.card:hover .ph img{transform:none}
}

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}