/* roulang page: index */
:root{
  --orange:#D97B34;
  --orange-d:#A9531F;
  --hl:#E9A23B;
  --teal:#2FA98C;
  --teal-d:#1F7A66;
  --berry:#C8452F;
  --paper:#FBF3E6;
  --paper2:#F3E4CE;
  --ink:#241A14;
  --ink2:#5A4A3E;
  --r:4px;
  --sh:4px 4px 0 #241A14;
  --sh-sm:2px 2px 0 #241A14;
  --dash:1px dashed rgba(36,26,20,.28);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:88px}
body{margin:0;background:var(--paper);color:var(--ink);font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.9;letter-spacing:.012em}
img{max-width:100%;display:block}
a{color:var(--orange-d);text-decoration:none}
a:hover{text-decoration:underline}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.3}
h1{font-size:clamp(28px,3.2vw,44px);font-weight:800}
h2{font-size:clamp(22px,2.4vw,32px);font-weight:800}
h3{font-size:18px;font-weight:700}
p{margin:0}
:focus-visible{outline:3px dashed var(--teal);outline-offset:3px}
.mono{font-family:"Courier New",Consolas,monospace;letter-spacing:.04em}
.container{max-width:1280px;margin:0 auto;padding:0 32px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 26px;border:2px solid var(--ink);border-radius:var(--r);font-weight:700;font-size:16px;box-shadow:var(--sh);transition:transform .15s ease,box-shadow .15s ease;cursor:pointer}
.btn:hover{text-decoration:none;transform:translate(-2px,-2px);box-shadow:6px 6px 0 var(--ink)}
.btn:active{transform:none;box-shadow:var(--sh-sm)}
.btn-primary{background:var(--orange);color:#fff}
.btn-ghost{background:transparent;color:var(--ink)}

/* header */
.site-header{position:sticky;top:0;z-index:60;background:var(--paper);border-bottom:2px solid var(--ink)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:68px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;color:var(--ink)}
.logo:hover{text-decoration:none}
.logo-mark{width:40px;height:40px;background:var(--orange);border:2px solid var(--ink);box-shadow:var(--sh-sm);display:grid;place-items:center;color:#fff;font-size:20px;border-radius:2px}
.nav ul{display:flex;align-items:center;gap:26px}
.nav a{color:var(--ink);font-weight:600;font-size:15px;padding:6px 0;border-bottom:2px solid transparent}
.nav a:hover{border-bottom-color:var(--orange);text-decoration:none}
.nav a.is-active{border-bottom:3px solid var(--teal)}
.nav-toggle{display:none;width:44px;height:44px;flex-direction:column;justify-content:center;align-items:center;gap:5px;background:var(--paper);border:2px solid var(--ink);border-radius:var(--r);box-shadow:var(--sh-sm);cursor:pointer}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--ink)}

/* hero */
.hero{padding:64px 0 72px;background:var(--paper);border-bottom:2px solid var(--ink)}
.hero-inner{display:grid;grid-template-columns:7fr 5fr;gap:40px;align-items:start}
.hero-tag{display:inline-block;font-size:13px;font-weight:700;padding:4px 12px;border:2px solid var(--ink);border-radius:2px;background:var(--paper2);margin-bottom:18px}
.hero h1{max-width:15em}
.hero h1 em{font-style:normal;color:var(--orange-d);border-bottom:3px solid var(--hl);padding-bottom:2px}
.hero-sub{margin-top:14px;font-size:17px;font-weight:600;color:var(--ink2)}
.hero-desc{margin-top:12px;max-width:38em;color:var(--ink2)}
.hero-actions{display:flex;gap:14px;margin-top:26px;flex-wrap:wrap}
.hero-stack{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.hero-card{position:relative;overflow:hidden;border:2px solid var(--ink);box-shadow:var(--sh);border-radius:var(--r);background:var(--paper2)}
.hero-card img{width:100%;height:100%;object-fit:cover}
.hero-card-main{grid-column:1/-1;aspect-ratio:16/10}
.hero-card-side{aspect-ratio:4/3}
.hero-card-side:nth-child(3){margin-top:16px}
.hero-cap{position:absolute;left:0;right:0;bottom:0;background:rgba(36,26,20,.82);color:var(--paper);font-size:13px;font-weight:600;padding:6px 12px}
.hero-card::after{content:"";position:absolute;inset:0;pointer-events:none;background:repeating-linear-gradient(0deg,rgba(36,26,20,.06) 0 1px,transparent 1px 4px)}

/* section base */
.sec{padding:72px 0}
.sec--alt{background:var(--paper2);border-top:2px solid var(--ink);border-bottom:2px solid var(--ink)}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:34px;padding-bottom:16px;border-bottom:2px dashed rgba(36,26,20,.28)}
.sec-head h2{border-left:8px solid var(--orange);padding-left:14px}
.sec-head .lead{margin-top:10px;max-width:44em;color:var(--ink2);font-size:15px}
.more-link{font-weight:700;white-space:nowrap;font-size:15px}

/* audience rows */
.aud-list li{display:grid;grid-template-columns:64px 200px 1fr;gap:20px;align-items:baseline;padding:18px 16px;border-bottom:2px dashed rgba(36,26,20,.28);transition:box-shadow .15s ease}
.aud-list li:hover{box-shadow:inset 4px 0 0 var(--orange);background:#fff}
.aud-num{font-family:"Courier New",monospace;font-weight:700;color:var(--orange-d)}
.aud-name{font-weight:700;font-size:17px}
.aud-desc{color:var(--ink2);font-size:15px}

/* compare */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.compare-col{border:2px solid var(--ink);border-radius:var(--r);box-shadow:var(--sh);background:#fff;padding:26px 24px}
.compare-col h3{display:flex;align-items:center;gap:10px;padding-bottom:14px;border-bottom:2px solid var(--ink);margin-bottom:16px}
.dot{width:12px;height:12px;border:2px solid var(--ink);display:inline-block}
.dot-yes{background:var(--teal)}
.dot-no{background:var(--berry)}
.compare-col li{padding:9px 0 9px 22px;position:relative;color:var(--ink2);font-size:15px;border-bottom:1px dashed rgba(36,26,20,.2)}
.compare-col li:last-child{border-bottom:0}
.compare-col li::before{content:"";position:absolute;left:2px;top:18px;width:8px;height:8px;background:var(--hl);border:2px solid var(--ink)}

/* steps */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.step{position:relative;padding:26px 22px 24px;border:2px solid var(--ink);border-radius:var(--r);box-shadow:var(--sh);background:#fff}
.step-num{display:inline-grid;place-items:center;width:44px;height:44px;margin-bottom:14px;background:var(--teal);color:#fff;border:2px solid var(--ink);border-radius:2px;font-family:"Courier New",monospace;font-weight:700}
.step h3{margin-bottom:8px}
.step p{color:var(--ink2);font-size:15px}

/* channels */
.grid-channels{display:grid;grid-template-columns:repeat(5,1fr);gap:20px}
.channel{border:2px solid var(--ink);border-radius:var(--r);background:#fff;padding:0 0 20px;box-shadow:var(--sh-sm);overflow:hidden;transition:transform .15s ease,box-shadow .15s ease}
.channel:hover{transform:translate(-2px,-2px);box-shadow:var(--sh)}
.channel-bar{height:4px;background:var(--orange)}
.channel:nth-child(2) .channel-bar{background:var(--teal)}
.channel:nth-child(3) .channel-bar{background:var(--berry)}
.channel:nth-child(4) .channel-bar{background:var(--hl)}
.channel:nth-child(5) .channel-bar{background:var(--teal-d)}
.channel-body{padding:18px 18px 0}
.channel-num{font-family:"Courier New",monospace;font-size:13px;color:var(--ink2)}
.channel h3{margin:4px 0 8px;font-size:17px}
.channel p{font-size:14px;color:var(--ink2);line-height:1.85}
.channel-link{display:inline-block;margin-top:12px;font-weight:700;font-size:14px}

/* film cards */
.grid-latest{display:grid;grid-template-columns:repeat(6,1fr);gap:20px}
.film-card{background:#fff;border:2px solid var(--ink);border-radius:var(--r);box-shadow:var(--sh-sm);overflow:hidden;transition:transform .15s ease,box-shadow .15s ease}
.film-card:hover{transform:translate(-2px,-2px);box-shadow:var(--sh)}
.poster{position:relative;aspect-ratio:2/3;overflow:hidden;background:var(--paper2)}
.poster img{width:100%;height:100%;object-fit:cover;transition:transform .2s ease}
.film-card:hover .poster img{transform:scale(1.03)}
.badge{position:absolute;top:8px;left:8px;font-size:11px;font-weight:700;line-height:1;padding:5px 7px;border:2px solid var(--ink);border-radius:2px;background:var(--teal);color:#fff}
.badge.bd{background:var(--orange)}
.badge.be{background:var(--berry)}
.score{position:absolute;right:8px;bottom:8px;font-family:"Courier New",monospace;font-size:12px;font-weight:700;padding:3px 7px;background:rgba(36,26,20,.9);color:var(--hl);border-radius:2px}
.film-body{padding:10px 12px 14px}
.film-body h3{font-size:15px;font-weight:700;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* hot cards */
.grid-hot{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.hot-card{display:grid;grid-template-columns:92px 1fr;gap:16px;padding:16px;background:#fff;border:2px solid var(--ink);border-radius:var(--r);box-shadow:var(--sh-sm);transition:transform .15s ease,box-shadow .15s ease}
.hot-card:hover{transform:translate(-2px,-2px);box-shadow:var(--sh)}
.hot-thumb{aspect-ratio:3/4;overflow:hidden;border:2px solid var(--ink);border-radius:2px;background:var(--paper2)}
.hot-thumb img{width:100%;height:100%;object-fit:cover}
.hot-card h3{font-size:16px;margin-bottom:6px}
.hot-card p{font-size:14px;color:var(--ink2);line-height:1.8}
.hot-meta{display:flex;align-items:center;justify-content:space-between;margin-top:10px;font-size:13px}
.hot-score{font-family:"Courier New",monospace;font-weight:700;color:var(--berry)}

/* top10 */
.top10{display:grid;grid-template-columns:1fr 1fr;gap:0 40px}
.rank-row{display:grid;grid-template-columns:52px 1fr 96px 56px 72px;gap:12px;align-items:center;padding:14px 10px;border-bottom:1px dashed rgba(36,26,20,.28);transition:background .15s ease}
.rank-row:hover{background:#fff}
.rank-num{font-family:"Courier New",monospace;font-size:22px;font-weight:700;color:var(--ink)}
.rank-row:nth-child(-n+2) .rank-num,.rank-row:nth-child(3) .rank-num{color:var(--berry)}
.rank-title{font-weight:700}
.rank-heat{font-family:"Courier New",monospace;font-size:13px;color:var(--ink2);text-align:right}
.rank-score{font-family:"Courier New",monospace;font-weight:700;color:var(--teal-d);text-align:right}
.rank-tag{font-size:12px;text-align:center;border:2px solid var(--ink);border-radius:2px;padding:1px 4px}

/* stats */
.grid-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.stat{padding:8px 24px;border-right:2px solid var(--ink);text-align:center}
.stat:first-child{padding-left:0}
.stat:last-child{border-right:0;padding-right:0}
.stat-num{font-family:"Courier New",monospace;font-size:clamp(30px,3.4vw,44px);font-weight:700;color:var(--orange-d);line-height:1.2}
.stat-label{font-size:14px;color:var(--ink2);margin-top:6px}

/* reviews */
.grid-reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.review{background:#fff;border:2px solid var(--ink);border-radius:var(--r);box-shadow:var(--sh);padding:22px}
.review-head{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.avatar{width:40px;height:40px;background:var(--paper2);border:2px solid var(--ink);border-radius:2px;display:grid;place-items:center;font-family:"Courier New",monospace;font-weight:700;color:var(--orange-d)}
.review-name{font-weight:700;font-size:15px}
.review-tag{font-size:12px;color:var(--ink2);border:2px solid var(--ink);border-radius:2px;padding:0 6px}
.review p{font-size:15px;color:var(--ink2)}
.review-score{margin-top:12px;font-family:"Courier New",monospace;font-weight:700;color:var(--berry);font-size:14px}

/* news */
.grid-news{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.news-item{display:grid;grid-template-columns:150px 1fr;gap:16px;padding:14px;background:#fff;border:2px solid var(--ink);border-radius:var(--r);box-shadow:var(--sh-sm);transition:transform .15s ease,box-shadow .15s ease}
.news-item:hover{transform:translate(-2px,-2px);box-shadow:var(--sh)}
.news-thumb{aspect-ratio:16/9;overflow:hidden;border:2px solid var(--ink);border-radius:2px;background:var(--paper2)}
.news-thumb img{width:100%;height:100%;object-fit:cover}
.news-item h3{font-size:16px;line-height:1.55;margin-bottom:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-item p{font-size:13.5px;color:var(--ink2);line-height:1.75}
.news-date{font-family:"Courier New",monospace;font-size:12px;color:var(--ink2);margin-top:6px;display:block}

/* chart */
.chart-wrap{display:grid;grid-template-columns:1.4fr 1fr;gap:36px;align-items:center}
.chart-box{background:#fff;border:2px solid var(--ink);border-radius:var(--r);box-shadow:var(--sh);padding:20px}
.chart-days{display:flex;align-items:flex-end;gap:14px;height:240px}
.chart-day{flex:1;display:flex;flex-direction:column;justify-content:flex-end;align-items:center;gap:8px;height:100%}
.chart-bar{width:100%;background:var(--orange);border:2px solid var(--ink);border-radius:2px 2px 0 0;transition:background .15s ease}
.chart-day:nth-child(6) .chart-bar,.chart-day:nth-child(7) .chart-bar{background:var(--teal)}
.chart-day span{font-size:12px;color:var(--ink2);font-family:"Courier New",monospace}
.chart-notes li{position:relative;padding:0 0 18px 22px;border-left:2px dashed rgba(36,26,20,.28);margin-left:6px}
.chart-notes li:last-child{border-left-color:transparent;padding-bottom:0}
.chart-notes li::before{content:"";position:absolute;left:-7px;top:8px;width:10px;height:10px;background:var(--hl);border:2px solid var(--ink)}
.chart-notes strong{display:block;font-size:16px;margin-bottom:2px}
.chart-notes span{color:var(--ink2);font-size:14.5px}

/* topics */
.grid-topics{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.topic{background:#fff;border:2px solid var(--ink);border-radius:var(--r);box-shadow:var(--sh);overflow:hidden;transition:transform .15s ease,box-shadow .15s ease}
.topic:hover{transform:translate(-2px,-2px);box-shadow:6px 6px 0 var(--ink)}
.topic-img{aspect-ratio:16/9;overflow:hidden;border-bottom:2px solid var(--ink);background:var(--paper2)}
.topic-img img{width:100%;height:100%;object-fit:cover}
.topic-body{padding:18px 20px 22px}
.topic-body h3{margin-bottom:8px}
.topic-body p{font-size:14.5px;color:var(--ink2)}
.topic-count{display:inline-block;margin-top:12px;font-family:"Courier New",monospace;font-size:13px;font-weight:700;color:var(--teal-d);border:2px solid var(--ink);border-radius:2px;padding:0 8px}

/* faq */
.faq{max-width:820px;margin:0 auto}
.faq details{border:2px solid var(--ink);border-radius:var(--r);background:#fff;margin-bottom:14px;overflow:hidden}
.faq details[open]{border-color:var(--orange)}
.faq summary{list-style:none;cursor:pointer;padding:16px 52px 16px 20px;font-weight:700;font-size:16.5px;position:relative;min-height:44px;display:flex;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:18px;top:50%;transform:translateY(-50%);width:20px;height:20px;line-height:16px;text-align:center;border:2px solid var(--ink);font-family:"Courier New",monospace;font-size:14px;font-weight:700}
.faq details[open] summary::after{content:"-"}
.faq .ans{padding:0 20px 20px;color:var(--ink2);font-size:15px}

/* guarantee strip */
.guarantee{background:#fff;border:2px solid var(--ink);border-radius:var(--r);box-shadow:var(--sh);display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.gitem{padding:24px 22px;border-right:2px dashed rgba(36,26,20,.28)}
.gitem:last-child{border-right:0}
.gitem h3{font-size:16px;margin-bottom:6px;display:flex;align-items:center;gap:8px}
.gitem h3::before{content:"";width:10px;height:10px;background:var(--teal);border:2px solid var(--ink);display:inline-block}
.gitem p{font-size:14px;color:var(--ink2)}

/* cta */
.cta{background:#241A14;color:#FBF3E6;padding:72px 0;position:relative;overflow:hidden}
.cta::before{content:"";position:absolute;inset:0;background:repeating-linear-gradient(0deg,rgba(251,243,230,.06) 0 1px,transparent 1px 5px);pointer-events:none}
.cta-inner{position:relative;text-align:center;max-width:760px;margin:0 auto}
.cta h2{color:#FBF3E6}
.cta p{color:#E7D8C6;margin-top:14px}
.cta-actions{display:flex;gap:16px;justify-content:center;margin-top:28px;flex-wrap:wrap}
.cta .btn-primary{color:#241A14}
.cta .btn-ghost{color:#FBF3E6;border-color:#FBF3E6;box-shadow:4px 4px 0 #E9A23B}
.cta .btn-ghost:hover{box-shadow:6px 6px 0 #E9A23B}

/* footer */
.site-footer{background:var(--paper2);border-top:2px solid var(--ink);padding:56px 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;padding-bottom:40px}
.footer-brand .logo{margin-bottom:14px}
.footer-brand p{font-size:14.5px;color:var(--ink2);max-width:32em}
.footer-contact{margin-top:14px;display:flex;gap:10px;flex-wrap:wrap}
.footer-contact a{font-size:13px;border:2px solid var(--ink);border-radius:2px;padding:2px 10px;color:var(--ink)}
.footer-contact a:hover{background:#fff;text-decoration:none}
.footer-col h4{font-size:15px;margin-bottom:12px;padding-bottom:8px;border-bottom:2px solid var(--ink)}
.footer-col li{margin-bottom:8px}
.footer-col a{font-size:14.5px;color:var(--ink2)}
.footer-col a:hover{color:var(--orange-d)}
.footer-bottom{border-top:2px solid var(--ink);padding:16px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13.5px;color:var(--ink2)}

@media (max-width:1024px){
  .container{padding:0 24px}
  .nav{position:absolute;top:68px;left:0;right:0;background:var(--paper);border-bottom:2px solid var(--ink);box-shadow:var(--sh);display:none;padding:8px 24px 20px}
  .nav.open{display:block}
  .nav ul{flex-direction:column;align-items:stretch;gap:0}
  .nav a{display:flex;align-items:center;height:48px;border-bottom:1px dashed rgba(36,26,20,.28)}
  .nav-toggle{display:flex}
  .hero-inner{grid-template-columns:1fr;gap:28px}
  .grid-latest{grid-template-columns:repeat(3,1fr)}
  .grid-hot{grid-template-columns:repeat(2,1fr)}
  .grid-channels{grid-template-columns:repeat(3,1fr)}
  .chart-wrap{grid-template-columns:1fr;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .guarantee{grid-template-columns:1fr 1fr}
  .gitem:nth-child(2){border-right:0}
  .gitem:nth-child(1),.gitem:nth-child(2){border-bottom:2px dashed rgba(36,26,20,.28)}
  .top10{grid-template-columns:1fr}
  .grid-reviews{grid-template-columns:1fr}
  .grid-topics{grid-template-columns:1fr}
  .stats-wrap .grid-stats{grid-template-columns:1fr 1fr;gap:24px 0}
  .stat:nth-child(2){border-right:0}
  .stat:nth-child(3){padding-left:0}
}
@media (max-width:768px){
  .sec{padding:46px 0}
  .hero{padding:40px 0 48px}
  .sec-head{flex-direction:column;align-items:flex-start;gap:8px;margin-bottom:24px}
  .aud-list li{grid-template-columns:48px 1fr;gap:10px 14px}
  .aud-desc{grid-column:1/-1}
  .compare{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .grid-latest{grid-template-columns:repeat(3,1fr)}
  .grid-hot{grid-template-columns:1fr}
  .grid-news{grid-template-columns:1fr}
  .grid-channels{grid-template-columns:1fr 1fr}
  .grid-stats{grid-template-columns:1fr 1fr;gap:28px 0}
  .stat{border-right:0}
  .rank-row{grid-template-columns:40px 1fr 56px;gap:10px}
  .rank-heat,.rank-tag{display:none}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .news-item{grid-template-columns:120px 1fr}
  .guarantee{grid-template-columns:1fr}
  .gitem{border-right:0;border-bottom:2px dashed rgba(36,26,20,.28)}
  .gitem:last-child{border-bottom:0}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .grid-latest{grid-template-columns:repeat(2,1fr);gap:14px}
  .grid-channels{grid-template-columns:1fr}
  .grid-stats{grid-template-columns:1fr 1fr}
  .stat{padding:0}
  .stat-num{font-size:28px}
  .news-item{grid-template-columns:1fr}
  .news-thumb{aspect-ratio:16/9}
  .cta-actions{flex-direction:column;align-items:stretch}
  .cta-actions .btn{width:100%}
  .chart-days{height:190px;gap:8px}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}