/* roulang page: index */
:root{
  --ink:#14312C;--ink-deep:#0E241F;--dark:#10221F;
  --accent:#C0663C;--gold:#D9B26A;
  --paper:#F6F2EA;--card:#FFFDF9;--sand:#E7E0D4;
  --text:#1F2A28;--muted:#6B7570;--line:#E2DACB;
  --r:4px;--r-sm:3px;
  --shadow:0 1px 2px rgba(20,49,44,.06);
  --shadow-h:0 6px 18px rgba(20,49,44,.12);
  --serif:"Source Han Serif SC","Songti SC","Noto Serif SC",Georgia,serif;
  --sans:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--text);font-family:var(--sans);font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased}
h1,h2,h3{font-family:var(--serif);font-weight:600;letter-spacing:-.5px;line-height:1.25;margin:0}
p{margin:0}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button{font:inherit;cursor:pointer}
.wrap{max-width:1180px;margin:0 auto;padding:0 24px}
.sec{padding-top:96px}
.sec-head{max-width:720px}
.sec-head h2{font-size:30px}
.sec-head p{margin-top:14px;font-size:15px;color:var(--muted);line-height:1.75}

/* header */
.hdr{position:sticky;top:0;z-index:60;background:var(--paper);border-bottom:1px solid transparent;transition:border-color .2s,box-shadow .2s}
.hdr.scrolled{border-bottom-color:var(--line);box-shadow:var(--shadow)}
.hdr-in{height:72px;display:flex;align-items:center;gap:32px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{width:40px;height:40px;background:var(--ink);color:var(--paper);font-family:var(--serif);font-size:15px;letter-spacing:1px;display:grid;place-items:center;border-radius:var(--r-sm)}
.brand-name{font-family:var(--serif);font-size:18px;color:var(--ink);letter-spacing:.5px}
.nav{display:flex;gap:26px}
.nav-a{position:relative;font-size:15px;color:#44504C;padding:6px 0;transition:color .16s}
.nav-a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .18s}
.nav-a:hover{color:var(--ink)}
.nav-a:hover::after,.nav-a.active::after{transform:scaleX(1)}
.hdr-act{margin-left:auto;display:flex;align-items:center;gap:12px}
.icon-btn{width:40px;height:40px;display:grid;place-items:center;border:1px solid var(--line);border-radius:var(--r-sm);background:transparent;color:var(--ink);transition:background .16s}
.icon-btn:hover{background:var(--sand)}
.burger{display:none;width:40px;height:40px;border:1px solid var(--line);border-radius:var(--r-sm);background:transparent;padding:0;flex-direction:column;justify-content:center;align-items:center;gap:4px}
.burger span{display:block;width:16px;height:1.5px;background:var(--ink)}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;height:44px;padding:0 24px;border-radius:var(--r-sm);border:1px solid transparent;font-size:15px;transition:background .16s,border-color .16s,color .16s,transform .16s}
.btn-primary{background:var(--ink);color:var(--paper)}
.btn-primary:hover{background:var(--ink-deep);transform:translateY(-1px)}
.btn-ghost{border-color:var(--ink);color:var(--ink)}
.btn-ghost:hover{background:var(--sand)}
.btn-sm{height:38px;padding:0 18px;font-size:14px}

/* hero */
.hero{padding:56px 0 0}
.hero-in{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}
.eyebrow{display:inline-block;font-size:13px;letter-spacing:1px;color:var(--accent);border-left:2px solid var(--gold);padding-left:10px}
.hero h1{margin-top:18px;font-size:44px;letter-spacing:-.5px}
.hero h1 em{font-style:normal;color:var(--accent)}
.hero-sub{margin-top:14px;font-size:17px;color:#3B4643}
.hero-p{margin-top:16px;font-size:15px;line-height:1.8;color:var(--muted);max-width:560px}
.hero-btns{display:flex;gap:14px;margin-top:28px}
.ba{display:grid;grid-template-columns:1fr 1fr;margin-top:34px;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:var(--card)}
.ba-col{padding:20px 22px}
.ba-col+.ba-col{border-left:1px solid var(--line)}
.ba-before{background:#F1EBE0}
.ba-tag{display:block;font-size:12px;letter-spacing:2px;color:var(--muted);margin-bottom:6px}
.ba-after .ba-tag{color:var(--accent)}
.ba p{font-size:14px;line-height:1.8;color:#4A5450}
.hero-stack{position:relative;height:460px}
.hero-stack figure{position:absolute;margin:0;width:200px;aspect-ratio:2/3;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:var(--sand);box-shadow:0 10px 28px rgba(20,49,44,.14)}
.hero-stack img{width:100%;height:100%;object-fit:cover}
.hero-stack .p2{left:0;top:56px;transform:rotate(-2.4deg);z-index:1}
.hero-stack .p3{left:108px;top:6px;transform:rotate(1.4deg);z-index:2}
.hero-stack .p1{left:216px;top:72px;transform:rotate(3deg);z-index:3}

/* pains */
.pains{list-style:none;margin:32px 0 0;padding:0;border-top:1px solid var(--line)}
.pains li{display:grid;grid-template-columns:64px 1fr;gap:24px;padding:22px 0;border-bottom:1px solid var(--line)}
.pains .num{font-family:var(--serif);font-size:22px;color:var(--accent);font-variant-numeric:tabular-nums;line-height:1.4}
.pains h3{font-size:17px;margin-bottom:4px}
.pains p{font-size:14px;color:var(--muted)}

/* solution */
.solution{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;margin-top:32px}
.solution h3{font-size:18px;margin-bottom:12px}
.solution p+p{margin-top:12px}
.solution p{font-size:15px;color:var(--muted);line-height:1.8}
.checks{list-style:none;margin:22px 0 0;padding:0}
.checks li{position:relative;padding-left:26px;font-size:15px;color:#3B4643;margin-bottom:10px}
.checks li::before{content:"";position:absolute;left:0;top:10px;width:12px;height:6px;border-left:2px solid var(--accent);border-bottom:2px solid var(--accent);transform:rotate(-45deg)}
.wall{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.wall figure{margin:0;aspect-ratio:2/3;border:1px solid var(--line);border-radius:var(--r-sm);overflow:hidden;background:var(--sand)}
.wall img{width:100%;height:100%;object-fit:cover}

/* steps */
.steps{display:grid;grid-template-columns:repeat(3,1fr);margin-top:32px;border-top:1px solid var(--line)}
.step{padding:28px 32px 0 0}
.step+.step{border-left:1px solid var(--line);padding-left:32px}
.step .num{font-family:var(--serif);font-size:26px;color:var(--accent);font-variant-numeric:tabular-nums}
.step h3{font-size:17px;margin:8px 0 6px}
.step p{font-size:14px;color:var(--muted)}

/* cards */
.up-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:24px;margin-top:32px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow);overflow:hidden;transition:box-shadow .18s,transform .18s}
.card:hover{box-shadow:var(--shadow-h);transform:translateY(-2px)}
.card:hover .poster img{transform:scale(1.02)}
.card:hover .c-name{color:var(--accent)}
.poster{position:relative;aspect-ratio:2/3;background:var(--sand);overflow:hidden;border-bottom:1px solid var(--line)}
.poster img{width:100%;height:100%;object-fit:cover;transition:transform .18s}
.badge{position:absolute;top:8px;left:8px;font-size:12px;line-height:1;padding:5px 8px;border-radius:2px;letter-spacing:.5px}
.badge-hd{background:var(--ink);color:#FFFDF9}
.badge-bd{background:var(--accent);color:#FFFDF9}
.badge-ep{background:#FFFDF9;color:var(--ink);border:1px solid var(--ink)}
.score{position:absolute;right:8px;bottom:8px;background:rgba(16,34,31,.82);color:#FFFDF9;font-size:12px;padding:4px 8px;border-radius:2px;font-variant-numeric:tabular-nums}
.c-name{margin:10px 12px 0;font-size:15px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;transition:color .16s}
.c-meta{margin:2px 12px 12px;font-size:13px;color:var(--muted)}
.wide{grid-column:1/-1;display:grid;grid-template-columns:180px 1fr}
.wide .poster{aspect-ratio:auto;height:100%;min-height:270px;border-bottom:0;border-right:1px solid var(--line)}
.w-body{padding:26px 28px}
.w-tag{font-size:13px;color:var(--accent);letter-spacing:1px}
.w-name{margin-top:8px;font-size:22px}
.w-desc{margin-top:10px;font-size:15px;color:var(--muted);line-height:1.8;max-width:560px}
.w-link{display:inline-block;margin-top:14px;font-size:14px;color:var(--ink);border-bottom:1px solid var(--gold);padding-bottom:2px}
.w-link:hover{color:var(--accent)}

/* hot */
.hot-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:32px}
.hot-card{display:grid;grid-template-columns:92px 1fr;gap:14px;padding:12px;background:var(--card);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow);transition:box-shadow .18s,transform .18s}
.hot-card:hover{box-shadow:var(--shadow-h);transform:translateY(-2px)}
.hot-card .poster{aspect-ratio:2/3;border:1px solid var(--line);border-radius:var(--r-sm)}
.hot-card .poster img{transition:transform .18s}
.hot-card:hover .poster img{transform:scale(1.02)}
.hot-info{display:flex;flex-direction:column;gap:4px;padding:2px 0}
.hot-info h3{font-size:15px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.hot-info .meta{font-size:13px;color:var(--muted)}
.hot-info .tagline{font-size:13px;color:#4A5450;line-height:1.6}
.hot-info .rate{margin-top:auto;font-size:13px;color:var(--accent);font-variant-numeric:tabular-nums}

/* cats */
.cat-cols{display:grid;grid-template-columns:1fr 1fr;gap:0 48px;margin-top:32px}
.cat-col-b{margin-top:26px}
.cat-item{display:grid;grid-template-columns:150px 1fr;gap:20px;padding:22px 0;border-top:1px solid var(--line)}
.cat-item h3{font-size:19px}
.cat-item p{font-size:14px;color:var(--muted);line-height:1.7}
.cat-item .go{display:inline-block;margin-top:8px;font-size:13px;color:var(--accent)}
.cat-item .go:hover{color:var(--ink)}

/* rank */
.rank-wrap{background:var(--sand);border-radius:var(--r);padding:36px 36px 28px;margin-top:32px}
.rank-cols{display:grid;grid-template-columns:1fr 1fr;gap:0 56px}
.rank-row{display:grid;grid-template-columns:38px minmax(0,1fr) 64px 40px 46px;gap:12px;align-items:center;padding:12px 0;border-bottom:1px solid rgba(20,49,44,.14)}
.rank-row:last-child{border-bottom:0}
.rank-no{font-family:var(--serif);font-size:20px;color:var(--accent);font-variant-numeric:tabular-nums}
.rank-name{font-size:15px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.heat{height:3px;background:rgba(20,49,44,.16);border-radius:2px;overflow:hidden}
.heat i{display:block;height:100%;background:var(--ink)}
.rank-score{font-size:14px;text-align:right;font-variant-numeric:tabular-nums;color:var(--ink)}
.rank-tag{font-size:12px;color:var(--muted);text-align:right;border:1px solid rgba(20,49,44,.2);border-radius:2px;padding:2px 0;text-align:center}

/* stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:32px;padding-top:28px;border-top:1px solid var(--line)}
.stat-num{font-family:var(--serif);font-size:40px;color:var(--ink);font-variant-numeric:tabular-nums;line-height:1.1}
.stat-num small{font-family:var(--sans);font-size:14px;color:var(--muted);margin-left:4px}
.stat-label{margin-top:6px;font-size:14px;color:var(--muted)}

/* voices */
.voices{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:32px}
.voice{padding:24px;border:1px solid var(--line);border-radius:var(--r);background:var(--card)}
.voice q{display:block;font-size:15px;line-height:1.85;color:#3B4643;quotes:"\201C" "\201D"}
.voice-foot{display:flex;align-items:center;gap:10px;margin-top:16px}
.avatar{width:34px;height:34px;display:grid;place-items:center;background:var(--sand);color:var(--ink);font-family:var(--serif);font-size:15px;border-radius:var(--r-sm)}
.voice-foot b{font-size:14px;font-weight:600}
.voice-foot span{font-size:12px;color:var(--muted)}

/* crowd */
.crowd{display:flex;gap:16px;margin-top:32px;overflow-x:auto;padding-bottom:10px}
.crowd-card{flex:1 0 240px;min-width:240px;padding:22px;border:1px solid var(--line);border-radius:var(--r);background:var(--card)}
.crowd-card h3{font-size:16px;margin-bottom:6px}
.crowd-card p{font-size:13px;color:var(--muted);line-height:1.7}

/* specials */
.special-item{display:grid;grid-template-columns:240px 1fr 240px;gap:32px;align-items:center;padding:26px 0;border-top:1px solid var(--line)}
.special-item:last-child{border-bottom:1px solid var(--line)}
.special-item h3{font-size:19px}
.special-item p{font-size:14px;color:var(--muted);line-height:1.7;margin-top:6px}
.strip{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
.strip .mini{aspect-ratio:2/3;border:1px solid var(--line);border-radius:2px;overflow:hidden;background:var(--sand)}
.strip img{width:100%;height:100%;object-fit:cover}

/* news */
.news-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 48px;margin-top:32px}
.news-item{display:grid;grid-template-columns:140px 1fr;gap:16px;padding:18px 0;border-bottom:1px solid var(--line);align-items:center}
.news-item:hover .news-t{color:var(--accent)}
.news-item .pic{aspect-ratio:16/9;border:1px solid var(--line);border-radius:var(--r-sm);overflow:hidden;background:var(--sand)}
.news-item .pic img{width:100%;height:100%;object-fit:cover}
.news-t{font-size:15px;font-weight:600;line-height:1.6;transition:color .16s}
.news-d{margin-top:4px;font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums}

/* faq */
.faq{margin-top:32px;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{width:100%;display:flex;justify-content:space-between;align-items:center;gap:16px;padding:20px 0;background:none;border:0;text-align:left;font-family:var(--serif);font-size:17px;color:var(--text)}
.faq-q i{font-style:normal;font-size:20px;color:var(--accent);line-height:1}
.faq-a{max-height:0;overflow:hidden;transition:max-height .2s ease}
.faq-a p{padding:0 0 20px;font-size:15px;line-height:1.8;color:var(--muted);max-width:820px}
.faq-item.open .faq-a{max-height:240px}

/* band */
.band{margin-top:96px;padding:52px 0;color:var(--paper);background:linear-gradient(rgba(16,34,31,.9),rgba(16,34,31,.95)),url(/assets/images/a6adc2c611710dab.jpg) center/cover no-repeat}
.band-in{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;text-align:center}
.band-item+.band-item{border-left:1px solid rgba(246,242,234,.22)}
.band-num{font-family:var(--serif);font-size:34px;font-variant-numeric:tabular-nums}
.band-num small{font-family:var(--sans);font-size:13px;margin-left:4px;opacity:.75}
.band-label{font-size:13px;opacity:.72;margin-top:4px}

/* cta */
.cta{padding:96px 0;text-align:center}
.cta h2{font-size:32px}
.cta p{margin-top:12px;font-size:15px;color:var(--muted)}
.cta-form{display:flex;gap:12px;max-width:560px;margin:28px auto 0}
.cta-form input{flex:1;height:44px;padding:0 16px;border:1px solid var(--line);border-radius:var(--r-sm);background:var(--card);font-size:15px;color:var(--text);font-family:inherit}
.cta-form input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(192,102,60,.18)}
.cta-note{margin-top:18px;font-size:12px;color:var(--muted)}

/* footer */
.ftr{background:var(--dark);color:rgba(246,242,234,.7);padding:64px 0 0;font-size:14px}
.ftr-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.ftr h3{color:var(--paper);font-size:15px;letter-spacing:1px;margin-bottom:14px}
.ftr-links{display:flex;flex-direction:column;gap:10px}
.ftr a{transition:color .16s}
.ftr a:hover{color:var(--gold)}
.ftr-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.ftr-brand .brand-mark{background:var(--paper);color:var(--ink)}
.ftr-brand span{font-family:var(--serif);font-size:18px;color:var(--paper)}
.ftr-intro{line-height:1.8;max-width:320px}
.ftr-bot{margin-top:48px;border-top:1px solid rgba(246,242,234,.14);padding:20px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(246,242,234,.55)}
.ftr .focusable:focus-visible,.btn:focus-visible,.icon-btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

@media (max-width:1024px){
  .wrap{padding:0 20px}
  .hero-in{gap:36px}
  .hero-h1,.hero h1{font-size:38px}
  .hero-stack{height:400px}
  .hero-stack figure{width:170px}
  .hero-stack .p2{top:48px}
  .hero-stack .p3{left:92px}
  .hero-stack .p1{left:184px;top:62px}
  .up-grid{grid-template-columns:repeat(4,1fr)}
  .hot-grid{grid-template-columns:repeat(2,1fr)}
  .solution{gap:36px}
  .special-item{grid-template-columns:200px 1fr 200px;gap:24px}
  .news-grid{gap:0 32px}
}

@media (max-width:768px){
  .sec{padding-top:56px}
  .nav{position:fixed;left:0;right:0;top:72px;flex-direction:column;gap:0;background:var(--card);border-bottom:1px solid var(--line);box-shadow:var(--shadow-h);padding:6px 24px 18px;transform:translateY(-115%);transition:transform .24s ease;z-index:55}
  .nav.open{transform:translateY(0)}
  .nav-a{padding:14px 0;border-bottom:1px solid var(--line)}
  .nav-a::after{display:none}
  .nav-a.active{color:var(--accent)}
  .burger{display:flex}
  .hdr-act .btn{display:none}
  .hero{padding-top:36px}
  .hero-in{grid-template-columns:1fr}
  .hero h1{font-size:30px}
  .hero-stack{height:340px;order:2}
  .hero-stack figure{width:150px}
  .hero-stack .p2{left:0;top:36px}
  .hero-stack .p3{left:80px;top:0}
  .hero-stack .p1{left:160px;top:48px}
  .pains li{grid-template-columns:48px 1fr;gap:16px}
  .solution{grid-template-columns:1fr}
  .wall{order:2}
  .steps{grid-template-columns:1fr}
  .step{padding:20px 0;border-bottom:1px solid var(--line)}
  .step+.step{border-left:0;padding-left:0}
  .up-grid{grid-template-columns:repeat(3,1fr);gap:16px}
  .wide{grid-template-columns:140px 1fr}
  .wide .poster{min-height:210px}
  .w-body{padding:18px 20px}
  .w-desc{font-size:14px}
  .hot-grid{grid-template-columns:1fr}
  .cat-cols{grid-template-columns:1fr}
  .cat-col-b{margin-top:0}
  .cat-item{grid-template-columns:120px 1fr;gap:16px}
  .rank-wrap{padding:24px 20px}
  .rank-cols{grid-template-columns:1fr;gap:0}
  .rank-row{grid-template-columns:34px minmax(0,1fr) 56px 40px 46px;gap:10px}
  .stats{grid-template-columns:repeat(2,1fr);gap:20px}
  .stat-num{font-size:32px}
  .voices{grid-template-columns:1fr}
  .special-item{grid-template-columns:1fr;gap:14px;padding:22px 0}
  .news-grid{grid-template-columns:1fr}
  .band{margin-top:56px}
  .band-in{grid-template-columns:1fr;gap:20px;text-align:left}
  .band-item+.band-item{border-left:0;border-top:1px solid rgba(246,242,234,.18);padding-top:16px}
  .cta{padding:56px 0}
  .cta h2{font-size:24px}
  .ftr-grid{grid-template-columns:1fr 1fr;gap:32px}
  .ftr-intro{max-width:none}
}

@media (max-width:520px){
  .wrap{padding:0 16px}
  .hero h1{font-size:28px}
  .hero-sub{font-size:15px}
  .hero-btns{flex-direction:column;gap:10px}
  .btn{width:100%}
  .hero-stack{height:290px}
  .hero-stack figure{width:126px}
  .hero-stack .p2{left:0;top:24px}
  .hero-stack .p3{left:64px;top:0}
  .hero-stack .p1{left:128px;top:34px}
  .ba{grid-template-columns:1fr}
  .ba-col+.ba-col{border-left:0;border-top:1px solid var(--line)}
  .sec-head h2{font-size:22px}
  .up-grid{grid-template-columns:repeat(2,1fr);gap:14px}
  .wide{grid-template-columns:1fr}
  .wide .poster{aspect-ratio:2/3;min-height:0;border-right:0;border-bottom:1px solid var(--line)}
  .up-grid .c-name{font-size:14px;margin:8px 10px 0}
  .up-grid .c-meta{margin:2px 10px 10px}
  .stats{grid-template-columns:1fr 1fr;gap:16px}
  .stat-num{font-size:28px}
  .rank-row{grid-template-columns:30px minmax(0,1fr) 48px 38px;gap:8px}
  .rank-tag{display:none}
  .cta-form{flex-direction:column}
  .cta-form .btn{width:100%}
  .faq-q{font-size:15px}
  .ftr-grid{grid-template-columns:1fr}
  .news-item{grid-template-columns:110px 1fr}
  .cat-item{grid-template-columns:1fr;gap:8px}
}