/* roulang page: index */
:root{
  --ink:#0B0C0F;--panel:#15171C;--panel2:#101217;--line:#2A2D35;
  --text:#F3EFE6;--muted:#A7A39A;--brand:#FF6A3D;--brand-deep:#D94A24;
  --amber:#F5B84B;--signal:#8BE3C4;
  --r:3px;
  --font-cn:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --font-num:"DIN Alternate",Bahnschrift,ui-monospace,"SFMono-Regular",monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;padding-bottom:76px;background:var(--ink);color:var(--text);
  font-family:var(--font-cn);font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4,p,figure{margin:0}
ul,ol{list-style:none;margin:0;padding:0}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button,input,select{font-family:inherit;font-size:inherit}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums}
.wrap{max-width:1280px;margin:0 auto;padding:0 40px}
.eyebrow{font-family:var(--font-num);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--brand);margin-bottom:10px}
.sec-title{font-size:clamp(28px,3.6vw,44px);font-weight:700;line-height:1.15;letter-spacing:-.01em;margin-bottom:30px}
.sec{padding:88px 0;border-top:1px solid var(--line)}
.sec-alt{background:var(--panel2)}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:8px;height:48px;padding:0 22px;border-radius:2px;
  border:1px solid transparent;font-size:15px;font-weight:700;cursor:pointer;transition:background .18s,color .18s,border-color .18s,transform .18s}
.btn-primary{background:var(--brand);color:#0B0C0F;border-color:var(--brand)}
.btn-ghost{background:transparent;color:var(--text);border-color:var(--line)}
.btn:focus-visible{outline:2px solid var(--signal);outline-offset:2px}
.btn:active{transform:translateY(1px)}
.btn .arw{font-family:var(--font-num);transition:transform .18s}
@media (hover:hover){
  .btn-primary:hover{background:#ff8059;transform:translateY(-1px)}
  .btn-ghost:hover{border-color:var(--brand);color:var(--brand)}
  .btn:hover .arw{transform:translateX(3px)}
}

/* header */
.site-header{position:sticky;top:0;z-index:60;background:var(--ink);border-bottom:1px solid var(--line)}
.hdr-top{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px}
.brand{display:flex;align-items:center;gap:12px;font-size:20px;font-weight:700;letter-spacing:-.01em}
.brand-mark{width:36px;height:36px;display:grid;place-items:center;background:var(--brand);color:#0B0C0F;
  border-radius:3px;font-weight:800;font-size:19px;line-height:1}
.brand-live{font-family:var(--font-num);font-size:10px;letter-spacing:.12em;color:var(--brand);
  border:1px solid var(--brand);padding:1px 5px;border-radius:2px;line-height:1.6}
.hdr-actions{display:flex;align-items:center;gap:22px}
.hdr-link{font-size:14px;color:var(--muted);padding-bottom:2px;border-bottom:1px solid transparent;transition:.18s}
@media (hover:hover){.hdr-link:hover{color:var(--brand);border-color:var(--brand)}}
.hdr-top .btn{height:40px;padding:0 16px;font-size:14px}
.hdr-nav{display:flex;gap:8px;overflow-x:auto;padding:8px 0;border-top:1px solid var(--line);scrollbar-width:none}
.hdr-nav::-webkit-scrollbar{display:none}
.chip{flex:0 0 auto;display:inline-flex;align-items:center;height:32px;padding:0 16px;border:1px solid var(--line);
  border-radius:999px;font-size:14px;color:var(--muted);transition:.16s;white-space:nowrap}
@media (hover:hover){.chip:hover{color:var(--text);border-color:var(--muted)}}
.chip.is-active{background:var(--brand);border-color:var(--brand);color:#0B0C0F;font-weight:700}

/* hero */
.hero{position:relative;overflow:hidden;padding:64px 0 88px;
  background:radial-gradient(circle at 82% 12%,rgba(255,106,61,.16),transparent 48%),
             radial-gradient(circle at 12% 88%,rgba(139,227,196,.08),transparent 42%),var(--ink)}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center}
.hero h1{font-size:clamp(42px,6.2vw,78px);font-weight:800;line-height:1.05;letter-spacing:-.02em;margin:14px 0 18px}
.hero h1 em{font-style:normal;color:var(--brand)}
.hero-sub{font-size:18px;font-weight:500;margin-bottom:14px}
.hero-desc{color:var(--muted);font-size:16px;max-width:56ch;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:32px}
.hero-stats{display:flex;border-top:1px solid var(--line);flex-wrap:wrap}
.hero-stats li{flex:1 1 30%;min-width:110px;padding:16px 16px 0 0}
.hero-stats strong{display:block;font-family:var(--font-num);font-size:28px;color:var(--brand);
  line-height:1.2;font-variant-numeric:tabular-nums}
.hero-stats span{font-size:13px;color:var(--muted)}
.hero-media{display:flex;flex-direction:column;gap:16px}
.hm-main{position:relative;margin:0;aspect-ratio:16/9;border:1px solid var(--line);border-radius:var(--r);
  overflow:hidden;background:var(--panel)}
.hm-main img,.hm-thumbs img{width:100%;height:100%;object-fit:cover}
.live-badge{position:absolute;top:12px;left:12px;display:inline-flex;align-items:center;gap:6px;
  background:var(--brand);color:#0B0C0F;font-family:var(--font-num);font-size:12px;font-weight:800;
  padding:4px 9px;border-radius:2px}
.live-badge i{width:6px;height:6px;border-radius:50%;background:#0B0C0F}
.hm-online{position:absolute;top:12px;right:12px;background:rgba(11,12,15,.8);border:1px solid var(--line);
  padding:4px 9px;border-radius:2px;font-size:12px}
.hm-tag{position:absolute;left:12px;bottom:46px;background:rgba(11,12,15,.8);border:1px solid var(--line);
  padding:3px 10px;border-radius:999px;font-size:12px;color:var(--amber)}
.player-bar{position:absolute;left:0;right:0;bottom:0;display:flex;align-items:center;gap:10px;
  padding:10px 12px 8px;background:linear-gradient(transparent,rgba(11,12,15,.94));font-size:11px;color:var(--muted)}
.pb-play{width:0;height:0;border-left:8px solid var(--text);border-top:5px solid transparent;border-bottom:5px solid transparent}
.pb-track{flex:1;height:3px;border-radius:2px;background:rgba(243,239,230,.28);position:relative}
.pb-track i{position:absolute;left:0;top:0;bottom:0;width:44%;background:var(--brand);border-radius:2px}
.hm-thumbs{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.hm-thumbs figure{position:relative;margin:0;aspect-ratio:4/3;border:1px solid var(--line);
  border-radius:var(--r);overflow:hidden;background:var(--panel)}
.hm-thumbs figcaption{position:absolute;left:8px;bottom:8px;font-size:12px;padding:3px 9px;
  border-radius:999px;background:rgba(11,12,15,.82);border:1px solid var(--line)}

/* selling */
.sell-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
.sell-grid li{border-top:1px solid var(--line);padding-top:20px;transition:border-color .2s}
.sell-grid li:nth-child(2){transform:translateY(24px)}
@media (hover:hover){.sell-grid li:hover{border-top-color:var(--brand)}}
.sell-num{display:block;font-family:var(--font-num);font-size:44px;line-height:1;color:var(--brand);
  letter-spacing:-.02em;margin-bottom:12px}
.sell-grid h3{font-size:20px;font-weight:700;margin-bottom:10px;line-height:1.35}
.sell-grid p{color:var(--muted);font-size:15px}

/* scenes */
.scene{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;
  padding:32px 0;border-top:1px solid var(--line)}
.scene:first-of-type{border-top:0;padding-top:0}
.scene-media{position:relative;margin:0;aspect-ratio:16/9;border:1px solid var(--line);
  border-radius:var(--r);overflow:hidden;background:var(--panel)}
.scene-media img{width:100%;height:100%;object-fit:cover}
.scene:nth-child(even) .scene-media{order:2}
.play-key{position:absolute;inset:0;pointer-events:none}
.play-key::before{content:"";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:56px;height:56px;border-radius:50%;border:1.5px solid rgba(243,239,230,.85);background:rgba(11,12,15,.42)}
.play-key::after{content:"";position:absolute;left:50%;top:50%;
  transform:translate(calc(-50% + 4px),-50%);width:0;height:0;
  border-left:14px solid var(--text);border-top:9px solid transparent;border-bottom:9px solid transparent}
.q-chip{position:absolute;right:10px;bottom:10px;font-family:var(--font-num);font-size:11px;
  background:rgba(11,12,15,.82);border:1px solid var(--line);padding:2px 8px;border-radius:2px;color:var(--signal)}
.on-chip{position:absolute;left:10px;bottom:10px;font-size:11px;background:rgba(11,12,15,.82);
  border:1px solid var(--line);padding:2px 9px;border-radius:999px;color:var(--text)}
.scene-kicker{font-family:var(--font-num);font-size:12px;letter-spacing:.1em;color:var(--amber);margin-bottom:10px}
.scene-body h3{font-size:24px;font-weight:700;margin-bottom:12px;line-height:1.3}
.scene-body p{color:var(--muted);font-size:15px;max-width:44ch}

/* live cards */
.live-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:18px}
.live-grid li{grid-column:span 3}
.live-grid li:nth-child(1),.live-grid li:nth-child(2),
.live-grid li:nth-child(11),.live-grid li:nth-child(12){grid-column:span 6}
.lc{display:block;height:100%}
.lc-thumb{position:relative;margin:0;aspect-ratio:16/9;border:1px solid var(--line);border-radius:var(--r);
  overflow:hidden;background:var(--panel);transition:border-color .2s}
.lc-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.lc:nth-child(1) .lc-thumb,.lc:nth-child(2) .lc-thumb{aspect-ratio:21/9}
.lc .play-key{opacity:0;transition:opacity .22s}
@media (hover:hover){
  .lc:hover .lc-thumb{border-color:var(--brand)}
  .lc:hover .lc-thumb img{transform:scale(1.04)}
  .lc:hover .play-key{opacity:1}
}
.lc-meta{padding:12px 2px 0}
.lc-meta h3{font-size:16px;font-weight:700;margin:8px 0 4px;line-height:1.4}
.lc-meta p{font-size:13px;color:var(--muted)}
.lc-online{position:absolute;right:8px;bottom:8px;font-family:var(--font-num);font-size:12px;
  background:rgba(11,12,15,.82);border:1px solid var(--line);padding:2px 8px;border-radius:2px}
.lc:nth-child(11),.lc:nth-child(12){display:grid;grid-template-columns:1fr 1fr;gap:16px;align-items:center}
.lc:nth-child(11) .lc-meta,.lc:nth-child(12) .lc-meta{padding-top:0}
.tag{display:inline-flex;align-items:center;height:22px;padding:0 9px;border:1px solid var(--line);
  border-radius:999px;font-size:12px;color:var(--muted);white-space:nowrap}
.live-dot{position:absolute;left:8px;top:8px;display:inline-flex;align-items:center;gap:5px;
  background:var(--brand);color:#0B0C0F;font-family:var(--font-num);font-size:11px;font-weight:800;
  padding:2px 7px;border-radius:2px}
.live-dot i{width:5px;height:5px;border-radius:50%;background:#0B0C0F}

/* upcoming */
.up-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 40px}
.up-item{display:grid;grid-template-columns:76px 100px 1fr auto;gap:16px;align-items:center;
  border-top:1px solid var(--line);padding:16px 0}
.up-time{font-family:var(--font-num);font-size:26px;font-weight:700;line-height:1.1;font-variant-numeric:tabular-nums}
.up-day{display:block;font-size:12px;color:var(--muted);font-weight:400;margin-top:2px}
.up-thumb{margin:0;aspect-ratio:16/9;border:1px solid var(--line);border-radius:2px;overflow:hidden;background:var(--panel)}
.up-thumb img{width:100%;height:100%;object-fit:cover}
.up-body h3{font-size:15px;font-weight:700;line-height:1.4}
.up-body p{font-size:12px;color:var(--muted);margin-top:4px}
.up-link{font-size:14px;color:var(--brand);border-bottom:1px solid var(--brand-deep);padding-bottom:1px;white-space:nowrap}
@media (hover:hover){.up-link:hover{color:var(--amber);border-color:var(--amber)}}

/* channels */
.chip-seg{display:flex;gap:8px;flex-wrap:wrap;padding:6px;border:1px solid var(--line);
  border-radius:999px;margin-bottom:32px;width:max-content;max-width:100%}
.seg-item{display:inline-flex;align-items:center;height:36px;padding:0 18px;border-radius:999px;
  font-size:14px;color:var(--muted);transition:.16s}
@media (hover:hover){.seg-item:hover{color:var(--text);background:var(--panel)}}
.seg-item.is-active{background:var(--brand);color:#0B0C0F;font-weight:700}
.ch-list{display:grid;grid-template-columns:1fr 1fr;gap:0 40px}
.ch-list li{display:grid;grid-template-columns:120px 1fr;gap:16px;align-items:start;
  padding:18px 0;border-top:1px solid var(--line)}
.ch-list h3{font-size:17px;font-weight:700;line-height:1.4}
.ch-list p{font-size:14px;color:var(--muted)}

/* ranking */
.rank-list{border-top:1px solid var(--line)}
.rank-list li{display:grid;grid-template-columns:60px 1fr 130px 110px;align-items:center;gap:16px;
  height:56px;padding:0 10px;border-bottom:1px solid var(--line);transition:background .16s}
@media (hover:hover){.rank-list li:hover{background:var(--panel)}}
.rank-no{font-family:var(--font-num);font-size:20px;color:var(--muted);font-variant-numeric:tabular-nums}
.rank-list li:nth-child(-n+3) .rank-no{font-size:32px;color:var(--brand);font-weight:700}
.rank-name{font-size:16px;font-weight:600}
.rank-on{font-family:var(--font-num);font-size:15px;text-align:right;font-variant-numeric:tabular-nums}
.rank-list .tag{justify-self:start}

/* proof */
.proof-grid{display:grid;grid-template-columns:5fr 7fr;gap:48px}
.proof-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:8px}
.proof-stats li{border:1px solid var(--line);border-radius:var(--r);padding:18px 14px;background:var(--panel2)}
.proof-stats strong{display:block;font-family:var(--font-num);font-size:30px;color:var(--brand);line-height:1.2}
.proof-stats span{font-size:13px;color:var(--muted)}
.quotes{display:grid;grid-template-columns:1fr 1fr;gap:16px;align-content:start}
.quotes li{border:1px solid var(--line);border-radius:var(--r);padding:18px;background:var(--panel);
  font-size:15px;line-height:1.7;transition:border-color .2s}
.quotes li:nth-child(even){transform:translateY(18px)}
@media (hover:hover){.quotes li:hover{border-color:var(--brand)}}
.quotes b{display:block;font-family:var(--font-num);font-size:12px;color:var(--muted);font-weight:400;margin-top:10px}

/* compare */
.cmp{width:100%;border-collapse:collapse}
.cmp th{font-family:var(--font-num);font-size:12px;letter-spacing:.08em;font-weight:400;
  color:var(--muted);text-align:left;padding:0 16px 12px;border-bottom:1px solid var(--line)}
.cmp td{padding:0 16px;height:56px;border-bottom:1px solid var(--line);font-size:15px}
.cmp th:first-child,.cmp td:first-child{width:30%;color:var(--muted)}
.cmp td:nth-child(2){color:var(--brand);font-weight:600}
.yes,.no{display:inline-block;width:13px;height:13px;border-radius:50%;margin-right:8px;vertical-align:-1px}
.yes{background:var(--signal)}
.no{border:1px solid var(--muted);position:relative}
.no::after{content:"";position:absolute;left:50%;top:50%;width:1px;height:9px;background:var(--muted);
  transform:translate(-50%,-50%) rotate(45deg)}

/* news */
.news-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 40px}
.news-item{display:grid;grid-template-columns:132px 1fr;gap:16px;align-items:center;
  padding:18px 0;border-top:1px solid var(--line)}
.news-thumb{margin:0;aspect-ratio:4/3;border:1px solid var(--line);border-radius:2px;overflow:hidden;background:var(--panel)}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s}
@media (hover:hover){.news-item:hover .news-thumb img{transform:scale(1.05)}.news-item:hover h3{color:var(--brand)}}
.news-body h3{font-size:17px;font-weight:700;line-height:1.45;transition:color .18s}
.news-meta{display:flex;align-items:center;gap:12px;margin-top:8px;font-size:12px;color:var(--muted)}
.news-meta time{font-family:var(--font-num);font-variant-numeric:tabular-nums}

/* topics */
.topic{display:grid;grid-template-columns:72px 1fr 320px;gap:32px;align-items:center;
  padding:32px 0;border-top:1px solid var(--line)}
.topic:first-of-type{border-top:0;padding-top:0}
.topic-no{font-family:var(--font-num);font-size:40px;color:var(--line);line-height:1;font-weight:700}
.topic h3{font-size:24px;font-weight:700;margin-bottom:10px;transition:color .18s;line-height:1.3}
.topic p{font-size:15px;color:var(--muted);max-width:52ch}
.topic-more{display:inline-block;margin-top:14px;font-size:14px;color:var(--brand);
  border-bottom:1px solid var(--brand-deep);padding-bottom:1px}
@media (hover:hover){.topic:hover h3{color:var(--brand)}.topic-more:hover{color:var(--amber);border-color:var(--amber)}}
.topic-media{margin:0;aspect-ratio:3/2;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:var(--panel)}
.topic-media img{width:100%;height:100%;object-fit:cover}

/* calendar */
.cal-days{display:grid;grid-template-columns:repeat(7,1fr);gap:12px;margin-bottom:44px}
.cal-day{border:1px solid var(--line);border-radius:var(--r);padding:14px 12px;background:var(--panel2)}
.cal-day.is-today{border-color:var(--brand);background:rgba(255,106,61,.09)}
.cal-day h3{font-family:var(--font-num);font-size:13px;letter-spacing:.08em;color:var(--muted);
  font-weight:400;margin-bottom:10px}
.cal-day.is-today h3{color:var(--brand);font-weight:700}
.cal-day li{font-family:var(--font-num);font-size:13px;border:1px solid var(--line);border-radius:2px;
  padding:3px 6px;text-align:center;margin-bottom:6px;font-variant-numeric:tabular-nums}
.cal-day li:last-child{margin-bottom:0}
.cal-body{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:start}
.guide-list li{display:grid;grid-template-columns:28px 1fr;gap:12px;padding:14px 0;border-top:1px solid var(--line)}
.guide-list li:first-child{border-top:0;padding-top:0}
.guide-no{font-family:var(--font-num);font-size:14px;color:var(--brand);padding-top:3px}
.guide-list h3{font-size:16px;font-weight:700;margin-bottom:4px}
.guide-list p{font-size:14px;color:var(--muted)}
.remind-form{border:1px solid var(--line);border-radius:var(--r);padding:24px;background:var(--panel)}
.remind-form h3{font-size:18px;font-weight:700;margin-bottom:16px}
.field{margin-bottom:14px}
.field label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px}
.field input,.field select{width:100%;height:48px;border-radius:2px;border:1px solid var(--line);
  background:var(--panel2);color:var(--text);padding:0 14px;font-size:15px;transition:border-color .18s}
.field input:focus,.field select:focus{outline:none;border-color:var(--signal);box-shadow:0 0 0 1px var(--signal)}
.remind-form .btn{width:100%;justify-content:center;margin-top:6px}
.form-note{font-size:12px;color:var(--muted);margin-top:12px;line-height:1.6}

/* faq */
.faq-list{max-width:760px}
.faq-list details{border-bottom:1px solid var(--line)}
.faq-list summary{display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:18px;font-weight:700;padding:20px 0;cursor:pointer;list-style:none;min-height:44px}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary::after{content:"+";font-family:var(--font-num);font-size:22px;color:var(--brand);
  line-height:1;transition:transform .2s}
.faq-list details[open] summary::after{content:"−"}
.faq-list p{font-size:15px;color:var(--muted);padding-bottom:20px;max-width:70ch}

/* assurance */
.assure-bar{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);
  border-bottom:1px solid var(--line)}
.assure-bar li{padding:24px 20px;border-left:1px solid var(--line)}
.assure-bar li:first-child{border-left:0;padding-left:0}
.assure-ico{width:24px;height:24px;margin-bottom:12px;border:1.5px solid var(--signal);border-radius:50%;position:relative}
.assure-bar li:nth-child(2) .assure-ico{border-color:var(--amber);border-radius:2px}
.assure-bar li:nth-child(3) .assure-ico{border-color:var(--brand);border-radius:2px;transform:rotate(45deg)}
.assure-bar li:nth-child(4) .assure-ico{border-color:var(--text)}
.assure-ico::after{content:"";position:absolute;left:50%;top:50%;width:6px;height:6px;border-radius:50%;
  background:currentColor;transform:translate(-50%,-50%);color:var(--signal)}
.assure-bar li:nth-child(2) .assure-ico::after{background:var(--amber);border-radius:1px}
.assure-bar li:nth-child(3) .assure-ico::after{background:var(--brand);border-radius:1px}
.assure-bar li:nth-child(4) .assure-ico::after{background:var(--text)}
.assure-bar h3{font-size:16px;font-weight:700;margin-bottom:4px}
.assure-bar p{font-size:13px;color:var(--muted)}

/* final cta */
.final-cta{background:var(--brand);color:#0B0C0F;padding:72px 0}
.final-cta h2{font-size:clamp(28px,4vw,48px);font-weight:800;line-height:1.15;letter-spacing:-.02em;margin-bottom:16px}
.final-cta p{font-size:18px;max-width:56ch;margin-bottom:28px}
.final-actions{display:flex;flex-wrap:wrap;gap:12px}
.final-cta .btn-primary{background:#0B0C0F;color:var(--text);border-color:#0B0C0F}
.final-cta .btn-ghost{background:transparent;color:#0B0C0F;border-color:rgba(11,12,15,.55)}
@media (hover:hover){
  .final-cta .btn-primary:hover{background:#1b1d23}
  .final-cta .btn-ghost:hover{border-color:#0B0C0F;color:#0B0C0F;background:rgba(11,12,15,.08)}
}

/* footer */
.site-footer{border-top:1px solid var(--line);background:var(--panel2);padding:56px 0 0}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.foot-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;margin-bottom:14px}
.foot-desc{font-size:14px;color:var(--muted);max-width:34ch}
.foot-col h3{font-family:var(--font-num);font-size:12px;letter-spacing:.12em;color:var(--muted);
  font-weight:400;margin-bottom:14px;text-transform:uppercase}
.foot-col li{margin-bottom:10px}
.foot-col a{font-size:14px;color:var(--text);transition:color .18s}
@media (hover:hover){.foot-col a:hover{color:var(--brand)}}
.foot-bottom{border-top:1px solid var(--line);margin-top:48px;padding:18px 0;font-size:12px;color:var(--muted)}

/* sticky cta */
.sticky-cta{position:fixed;left:0;right:0;bottom:0;z-index:80;height:60px;background:var(--ink);
  border-top:1px solid var(--brand)}
.sticky-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:60px}
.sticky-text{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--text);
  overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
.sig-dot{width:8px;height:8px;border-radius:50%;background:var(--brand);flex:0 0 auto;
  box-shadow:0 0 0 3px rgba(255,106,61,.18)}
.sticky-short{display:none}
.sticky-cta .btn{height:40px;padding:0 18px;font-size:14px;flex:0 0 auto}

@media (max-width:1024px){
  .wrap{padding:0 32px}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero{padding:48px 0 64px}
  .sell-grid{gap:24px}
  .live-grid li{grid-column:span 6}
  .live-grid li:nth-child(1),.live-grid li:nth-child(2),
  .live-grid li:nth-child(11),.live-grid li:nth-child(12){grid-column:span 12}
  .proof-grid,.cal-body{grid-template-columns:1fr;gap:36px}
  .quotes li:nth-child(even){transform:none}
  .topic{grid-template-columns:56px 1fr 260px;gap:24px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cal-days{grid-template-columns:repeat(7,132px);overflow-x:auto;padding-bottom:8px}
  .sec{padding:72px 0}
}

@media (max-width:768px){
  .wrap{padding:0 20px}
  body{padding-bottom:84px}
  .hdr-top{height:64px;gap:12px}
  .hdr-actions .hdr-link{display:none}
  .hdr-top .btn{height:38px;padding:0 14px;font-size:13px}
  .brand{font-size:18px}
  .hero h1{font-size:clamp(36px,9vw,46px)}
  .hero-sub{font-size:16px}
  .hero-stats strong{font-size:24px}
  .sell-grid{grid-template-columns:1fr}
  .sell-grid li:nth-child(2){transform:none}
  .scene{grid-template-columns:1fr;gap:20px}
  .scene:nth-child(even) .scene-media{order:0}
  .live-grid li,.live-grid li:nth-child(1),.live-grid li:nth-child(2),
  .live-grid li:nth-child(11),.live-grid li:nth-child(12){grid-column:span 6}
  .lc:nth-child(1) .lc-thumb,.lc:nth-child(2) .lc-thumb{aspect-ratio:16/9}
  .lc:nth-child(11),.lc:nth-child(12){grid-template-columns:1fr}
  .up-grid,.news-grid,.ch-list{grid-template-columns:1fr;gap:0}
  .up-item{grid-template-columns:64px 88px 1fr;grid-template-areas:"t i b" "t i l";row-gap:4px}
  .up-time{grid-area:t}
  .up-thumb{grid-area:i}
  .up-body{grid-area:b}
  .up-link{grid-area:l;justify-self:start}
  .rank-list li{grid-template-columns:44px 1fr 96px;height:auto;padding:12px 8px;
    grid-template-areas:"n m o" "n g g"}
  .rank-no{grid-area:n}
  .rank-name{grid-area:m}
  .rank-on{grid-area:o}
  .rank-list .tag{grid-area:g;margin-top:6px}
  .rank-list li:nth-child(-n+3) .rank-no{font-size:26px}
  .topic{grid-template-columns:1fr;gap:16px}
  .topic-no{font-size:28px}
  .topic-media{order:-1}
  .cmp thead{display:none}
  .cmp,.cmp tbody,.cmp tr,.cmp td{display:block;width:100%}
  .cmp tr{border:1px solid var(--line);border-radius:var(--r);padding:14px;margin-bottom:12px}
  .cmp td{height:auto;padding:5px 0;border:0;font-size:14px}
  .cmp td::before{content:attr(data-l);display:block;font-family:var(--font-num);
    font-size:11px;letter-spacing:.08em;color:var(--muted);margin-bottom:2px}
  .assure-bar{grid-template-columns:1fr 1fr}
  .assure-bar li{padding:20px 16px;border-left:0;border-top:1px solid var(--line)}
  .assure-bar li:nth-child(1),.assure-bar li:nth-child(2){border-top:0}
  .assure-bar li:nth-child(odd){padding-left:0}
  .assure-bar li:nth-child(even){padding-left:16px;border-left:1px solid var(--line)}
  .final-cta{padding:56px 0}
  .final-cta p{font-size:16px}
  .sec{padding:56px 0}
  .sec-title{margin-bottom:22px}
  .sticky-short{display:inline}
  .sticky-full{display:none}
}

@media (max-width:520px){
  .live-grid li,.live-grid li:nth-child(1),.live-grid li:nth-child(2),
  .live-grid li:nth-child(11),.live-grid li:nth-child(12){grid-column:span 12}
  .up-item{grid-template-columns:56px 1fr;grid-template-areas:"t b" "t l" "i i"}
  .up-thumb{margin-top:8px}
  .news-item{grid-template-columns:104px 1fr;gap:12px}
  .news-body h3{font-size:15px}
  .quotes{grid-template-columns:1fr}
  .proof-stats{grid-template-columns:1fr;gap:10px}
  .foot-grid{grid-template-columns:1fr}
  .hero-actions .btn{flex:1 1 100%;justify-content:center}
  .chip-seg{width:100%;justify-content:flex-start;overflow-x:auto;flex-wrap:nowrap;border-radius:999px}
  .assure-bar{grid-template-columns:1fr}
  .assure-bar li,.assure-bar li:nth-child(even){padding-left:0;border-left:0;border-top:1px solid var(--line)}
  .assure-bar li:first-child{border-top:0}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none!important;animation:none!important;scroll-behavior:auto!important}
  .btn:hover,.lc:hover .lc-thumb img,.news-item:hover .news-thumb img{transform:none!important}
}
@media print{
  .sticky-cta,.site-header{display:none}
  body{padding-bottom:0}
}