/* roulang page: index */
:root{
  --bg-0:#060A16;--bg-1:#0A1024;
  --surface:rgba(255,255,255,.045);--surface-2:rgba(255,255,255,.075);
  --line:rgba(255,255,255,.10);
  --text:#EAF2FF;--text-2:#9FB0CC;--text-3:#6B7C99;
  --brand:#35E6A6;--brand-2:#19C6FF;--live:#FF4D6D;--score:#FFB020;
  --r:18px;--r-lg:22px;--shadow:0 18px 40px rgba(2,8,24,.45);
  --max:1240px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg-0);color:var(--text);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:15.5px;line-height:1.75;
}
body::before{
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:64px 64px;opacity:.45;
}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,p{margin:0}
button,input{font:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px}

/* header */
.site-header{position:sticky;top:0;z-index:60;background:rgba(6,10,22,.72);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}
.nav-toggle{display:none}
.header-inner{display:flex;align-items:center;gap:20px;height:68px}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:16px;white-space:nowrap}
.logo-mark{width:36px;height:36px;border-radius:10px;background:linear-gradient(135deg,var(--brand),var(--brand-2));display:grid;place-items:center;flex:0 0 auto}
.logo-badge{font-size:10px;line-height:1;padding:4px 6px;border:1px solid rgba(53,230,166,.55);border-radius:999px;color:var(--brand);letter-spacing:.06em}
.main-nav{display:none;margin-left:auto;gap:24px}
.main-nav a{font-size:14px;color:var(--text-2);position:relative;padding:8px 0;transition:color .2s}
.main-nav a:hover,.main-nav a[aria-current]{color:var(--text)}
.main-nav a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .2s;box-shadow:0 0 12px rgba(53,230,166,.55)}
.main-nav a:hover::after,.main-nav a[aria-current]::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.nav-burger{display:flex;flex-direction:column;justify-content:center;align-items:center;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;cursor:pointer}
.nav-burger span{display:block;width:18px;height:2px;background:var(--text);margin:2px 0;border-radius:2px}
.nav-drawer{display:none;flex-direction:column;padding:8px 24px 24px;border-bottom:1px solid var(--line);background:rgba(6,10,22,.97)}
.nav-drawer a{display:flex;align-items:center;min-height:44px;font-size:15px;color:var(--text-2);border-bottom:1px solid var(--line)}
.nav-drawer a:hover{color:var(--brand)}
.nav-drawer .btn{margin-top:18px;width:100%}
.nav-toggle:checked ~ .nav-drawer{display:flex}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;height:48px;padding:0 22px;border-radius:12px;font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:transform .2s,box-shadow .2s,background .2s,border-color .2s,filter .2s}
.btn-primary{background:linear-gradient(120deg,#2FE6A4,#12C8E8);color:#06121A;box-shadow:0 10px 28px rgba(47,230,164,.28),inset 0 1px 0 rgba(255,255,255,.45)}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 12px 40px rgba(47,230,164,.4)}
.btn-primary:active{transform:none;box-shadow:none}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.18);color:var(--text)}
.btn-ghost:hover{border-color:var(--brand);background:rgba(53,230,166,.08)}
.btn-sm{height:40px;min-height:40px;font-size:14px;padding:0 16px}

/* hero */
.hero{position:relative;overflow:hidden;padding:clamp(36px,5vw,64px) 0 clamp(48px,6vw,88px)}
.hero::before{content:"";position:absolute;inset:-25% -12% auto -12%;height:680px;pointer-events:none;background:radial-gradient(circle at 28% 22%,rgba(53,230,166,.18),transparent 58%),radial-gradient(circle at 78% 4%,rgba(25,198,255,.16),transparent 60%)}
.hero-inner{position:relative;display:grid;grid-template-columns:1fr;gap:32px}
.hero-cover{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:14px;box-shadow:var(--shadow);backdrop-filter:blur(14px) saturate(120%)}
.hero-cover img{width:100%;aspect-ratio:4/5;object-fit:cover;border-radius:14px}
.toc{margin-top:14px;display:grid;gap:8px}
.toc li{display:flex;gap:10px;align-items:baseline;font-size:13px;color:var(--text-2)}
.toc span{color:var(--brand);font-weight:700;font-variant-numeric:tabular-nums}
.eyebrow{display:inline-block;font-size:12px;letter-spacing:.1em;color:var(--brand);border:1px solid rgba(53,230,166,.4);border-radius:999px;padding:5px 12px;margin-bottom:18px;background:rgba(53,230,166,.07)}
h1{font-size:clamp(32px,4.6vw,56px);line-height:1.15;font-weight:800;letter-spacing:-.02em}
.lead{margin-top:18px;color:var(--text-2);font-size:15.5px;max-width:36em}
.lead-form{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.lead-form input{flex:1 1 220px;min-width:0;height:48px;padding:0 16px;border-radius:12px;background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--text)}
.lead-form input::placeholder{color:var(--text-3)}
.lead-form input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(53,230,166,.25)}
.form-note{margin-top:10px;font-size:12.5px;color:var(--text-3)}
.trust{display:flex;flex-wrap:wrap;gap:8px 18px;margin-top:22px;font-size:13px;color:var(--text-2)}
.trust li{position:relative;padding-left:14px}
.trust li::before{content:"";position:absolute;left:0;top:.6em;width:6px;height:6px;border-radius:50%;background:var(--brand)}

/* section base */
.section{padding:clamp(56px,7vw,104px) 0}
.section-alt{background:var(--bg-1)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:32px}
.section-head h2{font-size:clamp(24px,2.6vw,34px);font-weight:700;line-height:1.3}
.section-head p{margin-top:10px;color:var(--text-2);font-size:14.5px;max-width:56em}
.section-link{display:inline-flex;align-items:center;gap:6px;min-height:44px;font-size:13.5px;color:var(--brand);white-space:nowrap}
.section-link:hover{text-decoration:underline}

/* grids */
.grid{display:grid;gap:20px}
.grid-4,.grid-3,.grid-2{grid-template-columns:1fr}

/* cards */
.card{position:relative;display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow);backdrop-filter:blur(14px) saturate(120%);transition:transform .25s,border-color .25s,box-shadow .25s}
.card::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(255,255,255,.42),transparent);z-index:2}
.card:hover{transform:translateY(-4px);border-color:rgba(53,230,166,.35);box-shadow:0 22px 48px rgba(2,8,24,.55)}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-1)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.card:hover .card-media img{transform:scale(1.04)}
.card-body{padding:16px;display:flex;flex-direction:column;gap:8px;flex:1}
.card-title{font-size:15.5px;font-weight:600;line-height:1.45}
.card-meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-2);font-variant-numeric:tabular-nums;margin-top:auto}
.badge-live{position:absolute;top:10px;left:10px;z-index:2;display:inline-flex;align-items:center;gap:5px;font-size:11px;font-weight:700;letter-spacing:.05em;padding:4px 8px;border-radius:999px;background:rgba(255,77,109,.16);border:1px solid rgba(255,77,109,.5);color:#FF8CA1;animation:pulse 2.4s ease-in-out infinite}
.badge-live::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--live)}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.55}}
.tag{font-size:12px;padding:3px 9px;border-radius:999px;background:rgba(25,198,255,.12);border:1px solid rgba(25,198,255,.28);color:#9EE6FF;white-space:nowrap}

/* kpi */
.kpi-band{padding:clamp(36px,4vw,56px) 0;background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.kpi-band h2{font-size:clamp(20px,2.2vw,26px);font-weight:700}
.kpi-band .section-head p{max-width:64em}
.kpi{display:grid;grid-template-columns:repeat(2,1fr);gap:24px 20px;margin-top:8px}
.kpi strong{display:block;font-size:clamp(28px,3.4vw,42px);font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums;letter-spacing:-.02em;line-height:1.2}
.kpi em{font-size:14px;font-style:normal;margin-left:4px;color:var(--text-2)}
.kpi span{font-size:13.5px;color:var(--text-2)}

/* bento */
.bento{display:grid;grid-template-columns:1fr;gap:20px}
.bento-main{display:grid;grid-template-columns:1fr;gap:20px}
.feat{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:18px;backdrop-filter:blur(14px);transition:border-color .25s,transform .25s}
.feat:hover{border-color:rgba(53,230,166,.35);transform:translateY(-3px)}
.feat h3{font-size:16px;margin-bottom:6px}
.feat p{font-size:13.5px;color:var(--text-2)}
.feat-lg{grid-column:1/-1;background:linear-gradient(150deg,rgba(53,230,166,.12),rgba(25,198,255,.06));border-color:rgba(53,230,166,.3)}
.feat-lg img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:12px;margin-top:14px}
.bento-list{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:22px;backdrop-filter:blur(14px) saturate(120%)}
.bento-list h3{font-size:16px;margin-bottom:14px}
.bento-list ul{display:grid;gap:14px}
.bento-list li{display:flex;gap:12px;align-items:flex-start}
.bento-list strong{display:block;font-size:14px;font-weight:600}
.bento-list p{font-size:13px;color:var(--text-2)}
.ico{width:30px;height:30px;flex:0 0 auto;border-radius:9px;display:grid;place-items:center;background:rgba(53,230,166,.12);border:1px solid rgba(53,230,166,.3);color:var(--brand);font-size:13px;font-weight:700}

/* channels */
.channels{display:grid;grid-template-columns:1fr;gap:16px}
.channel{display:flex;flex-direction:column;gap:8px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:20px;transition:border-color .25s,transform .25s}
.channel:hover{border-color:rgba(53,230,166,.35);transform:translateY(-3px)}
.channel-no{font-size:12px;color:var(--brand);letter-spacing:.1em;font-variant-numeric:tabular-nums}
.channel h3{font-size:18px;font-weight:600}
.channel p{font-size:13.5px;color:var(--text-2)}
.count{margin-top:auto;font-size:12.5px;color:var(--text-3);font-variant-numeric:tabular-nums}

/* upcoming */
.upcoming{display:grid;grid-template-columns:1fr;gap:16px}
.up-card{display:flex;gap:14px;align-items:center;padding:12px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);transition:border-color .25s}
.up-card:hover{border-color:rgba(53,230,166,.35)}
.up-card img{width:96px;height:64px;object-fit:cover;border-radius:10px;flex:0 0 auto}
.up-card time{display:block;font-size:12.5px;color:var(--brand);font-weight:700;font-variant-numeric:tabular-nums}
.up-card h3{font-size:14.5px;font-weight:600;margin-top:2px}
.up-card .up-meta{font-size:12.5px;color:var(--text-3)}
.remind{margin-top:6px;display:inline-flex;align-items:center;min-height:44px;font-size:13px;color:var(--brand)}
.remind:hover{text-decoration:underline}

/* rank */
.rank{display:grid;grid-template-columns:1fr;gap:0}
.rank-row{display:grid;grid-template-columns:28px 1fr auto;gap:12px;align-items:center;padding:14px 0;border-bottom:1px solid var(--line);transition:background .2s}
.rank-row:hover{background:rgba(255,255,255,.03)}
.rank-no{font-size:16px;font-weight:800;color:var(--text-3);font-variant-numeric:tabular-nums}
.rank-row.top .rank-no{color:var(--brand)}
.rank-name{font-size:14.5px;font-weight:600;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.rank-num{font-size:14px;font-weight:700;color:var(--text-2);font-variant-numeric:tabular-nums}
.bar{height:6px;border-radius:999px;background:rgba(255,255,255,.08);overflow:hidden;margin-top:7px}
.bar span{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--brand),var(--brand-2))}

/* plans */
.seg{display:inline-flex;padding:4px;border:1px solid var(--line);border-radius:12px;background:rgba(255,255,255,.04);font-size:13px;margin-bottom:28px}
.seg span{padding:7px 16px;border-radius:9px;color:var(--text-2)}
.seg .on{background:rgba(53,230,166,.16);color:var(--brand);font-weight:600}
.plans{display:grid;grid-template-columns:1fr;gap:20px}
.plan{position:relative;display:flex;flex-direction:column;gap:14px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:24px;backdrop-filter:blur(14px)}
.plan h3{font-size:17px;font-weight:600}
.plan-hot{border-color:rgba(53,230,166,.55);background:linear-gradient(180deg,rgba(53,230,166,.10),rgba(255,255,255,.045));box-shadow:0 0 0 1px rgba(53,230,166,.18),0 22px 48px rgba(2,8,24,.55)}
.plan-flag{position:absolute;top:-12px;left:24px;font-size:12px;font-weight:700;padding:4px 10px;border-radius:999px;background:linear-gradient(120deg,#2FE6A4,#12C8E8);color:#06121A}
.price{font-size:38px;font-weight:800;line-height:1.1;font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.price small{font-size:14px;font-weight:500;color:var(--text-2);margin-left:2px}
.plan ul{display:grid;gap:10px}
.plan li{font-size:13.5px;color:var(--text-2);padding-left:22px;position:relative}
.plan li::before{content:"✓";position:absolute;left:0;color:var(--brand);font-weight:700}
.plan .btn{margin-top:auto;width:100%}

/* compare */
.cmp-wrap{overflow-x:auto;background:var(--surface);border:1px solid var(--line);border-radius:var(--r)}
.cmp{width:100%;border-collapse:collapse;font-size:14px;min-width:560px}
.cmp th,.cmp td{padding:14px 16px;border-bottom:1px solid var(--line);text-align:left}
.cmp thead th{font-size:13px;color:var(--text-2);font-weight:600}
.cmp tbody tr:last-child th,.cmp tbody tr:last-child td{border-bottom:none}
.cmp tbody th{font-weight:500;color:var(--text-2)}
.cmp .ok{color:var(--brand);font-weight:600}
.cmp .no{color:var(--text-3)}

/* timeline */
.timeline{display:grid;gap:20px;border-left:1px solid var(--line);padding-left:22px}
.timeline li{position:relative}
.timeline li::before{content:"";position:absolute;left:-27px;top:9px;width:9px;height:9px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 3px rgba(53,230,166,.16)}
.timeline time{font-size:12.5px;color:var(--brand);font-variant-numeric:tabular-nums;letter-spacing:.04em}
.timeline h3{font-size:15.5px;font-weight:600;margin-top:2px}
.timeline p{font-size:13.5px;color:var(--text-2);margin-top:4px}

/* reviews */
.reviews{columns:1;column-gap:18px}
.review{break-inside:avoid;margin:0 0 18px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:18px}
.review-head{display:flex;align-items:center;gap:10px;margin-bottom:10px}
.avatar{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;font-weight:700;color:#06121A;background:linear-gradient(135deg,var(--brand),var(--brand-2))}
.review-head b{font-size:14px;font-weight:600}
.review p{font-size:14px;color:var(--text-2)}
.review-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:12px;font-size:12px;color:var(--text-3)}
.stars{color:var(--score);letter-spacing:2px}

/* news */
.news{display:grid;grid-template-columns:1fr;gap:14px}
.news-item{display:flex;gap:14px;padding:12px;background:var(--surface);border:1px solid var(--line);border-radius:14px;transition:border-color .25s}
.news-item:hover{border-color:rgba(53,230,166,.35)}
.news-item img{width:96px;height:64px;object-fit:cover;border-radius:10px;flex:0 0 auto;transition:filter .25s}
.news-item:hover img{filter:brightness(1.12)}
.news-item h3{font-size:14.5px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-item time{display:block;font-size:12px;color:var(--text-3);margin-top:4px;font-variant-numeric:tabular-nums}

/* guards */
.guards{display:grid;grid-template-columns:1fr;gap:16px}
.guard{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:18px}
.guard h3{font-size:15.5px;font-weight:600;margin-bottom:6px}
.guard p{font-size:13.5px;color:var(--text-2)}

/* faq */
.faq{max-width:860px;display:grid;gap:12px}
.faq details{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:0 18px}
.faq details[open]{border-color:rgba(53,230,166,.35)}
.faq summary{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:44px;padding:16px 0;cursor:pointer;list-style:none;font-size:15.5px;font-weight:600}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--brand);font-size:20px;font-weight:400;line-height:1}
.faq details[open] summary::after{content:"−"}
.faq p{padding-bottom:16px;font-size:14px;color:var(--text-2)}

/* cta */
.cta-band{position:relative;overflow:hidden;display:grid;grid-template-columns:1fr;gap:24px;padding:clamp(28px,4vw,48px);border:1px solid rgba(53,230,166,.28);border-radius:var(--r-lg);background:linear-gradient(120deg,rgba(53,230,166,.14),rgba(25,198,255,.10));backdrop-filter:blur(14px)}
.cta-band::before{content:"";position:absolute;inset:auto -10% -60% 40%;height:340px;pointer-events:none;background:radial-gradient(circle,rgba(53,230,166,.28),transparent 62%)}
.cta-band h2{font-size:clamp(24px,2.8vw,32px);font-weight:700;position:relative}
.cta-band p{position:relative;margin-top:10px;font-size:14.5px;color:var(--text-2);max-width:44em}
.cta-actions{position:relative;display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.cta-note{position:relative;margin-top:16px;font-size:12.5px;color:var(--text-3)}

/* footer */
.site-footer{background:var(--bg-1);border-top:1px solid var(--line);padding:clamp(40px,5vw,64px) 0 24px}
.footer-grid{display:grid;grid-template-columns:1fr;gap:28px}
.footer-brand p{margin-top:12px;font-size:13.5px;color:var(--text-2);max-width:34em}
.footer-col h3{font-size:14px;font-weight:600;margin-bottom:12px}
.footer-col ul{display:grid;gap:8px}
.footer-col a{font-size:13.5px;color:var(--text-2)}
.footer-col a:hover{color:var(--brand)}
.copyright{margin-top:32px;padding-top:18px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;font-size:12.5px;color:var(--text-3)}

@media (min-width:520px){
  .grid-4,.grid-3,.grid-2{grid-template-columns:repeat(2,1fr)}
  .channels{grid-template-columns:repeat(2,1fr)}
  .upcoming{grid-template-columns:repeat(2,1fr)}
  .reviews{columns:2}
  .news{grid-template-columns:repeat(2,1fr)}
  .guards{grid-template-columns:repeat(2,1fr)}
  .bento-main{grid-template-columns:repeat(2,1fr)}
}
@media (min-width:768px){
  .grid-4,.grid-3,.grid-2{grid-template-columns:repeat(3,1fr)}
  .channels{grid-template-columns:repeat(3,1fr)}
  .upcoming{grid-template-columns:repeat(3,1fr)}
  .plans{grid-template-columns:repeat(3,1fr)}
  .kpi{grid-template-columns:repeat(4,1fr)}
  .bento{grid-template-columns:1.7fr 1fr}
  .hero-inner{grid-template-columns:.85fr 1.15fr;gap:52px;align-items:center}
  .hero-cover{order:-1}
  .footer-grid{grid-template-columns:1.6fr 1fr 1fr 1fr}
  .cta-band{grid-template-columns:1.4fr .8fr;align-items:center}
}
@media (min-width:1024px){
  .grid-4{grid-template-columns:repeat(4,1fr)}
  .main-nav{display:flex}
  .nav-burger{display:none}
  .nav-drawer{display:none}
  .rank{grid-template-columns:repeat(2,1fr);column-gap:40px}
  .reviews{columns:3}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  .card:hover,.card:hover .card-media img,.feat:hover,.channel:hover{transform:none}
}