/* roulang page: index */
:root{
  --pink:#F45B8A;--pink-d:#DE3F73;--pink-soft:#FDE7EE;--orange:#FF9F68;
  --mint:#6FD6C2;--yellow:#FFD166;--ink:#2E1F2A;--ink2:#7A6472;
  --bg:#FFF8F3;--line:#F0E2E8;--live:#FF3B5C;
  --sh:0 10px 28px rgba(46,31,42,.06);--sh-h:0 16px 36px rgba(46,31,42,.12);
  --bs-primary:#F45B8A;--bs-primary-rgb:244,91,138;--bs-body-bg:#FFF8F3;
  --bs-body-color:#2E1F2A;--bs-border-radius:1.25rem;--bs-link-color:#C9315F;
  --bs-link-hover-color:#A3244A;
}
*{box-sizing:border-box}
body{margin:0;font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",system-ui,sans-serif;background:var(--bg);color:var(--ink);font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased}
h1,h2,h3{margin:0;letter-spacing:.02em}
a{color:#C9315F;text-decoration:none}
img{display:block;max-width:100%}
ul,ol{margin:0;padding:0}
p{margin:0 0 1em}
@media (min-width:1200px){.container{max-width:1200px}}

/* Header */
.site-header{position:sticky;top:0;z-index:1030;background:rgba(255,248,243,.97);border-bottom:1px solid var(--line);box-shadow:0 2px 14px rgba(46,31,42,.05)}
.hdr{display:flex;align-items:center;gap:16px;height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-weight:800;font-size:18px;letter-spacing:.02em}
.brand-mark{width:40px;height:40px;border-radius:12px;background:linear-gradient(135deg,var(--pink),var(--orange));color:#fff;display:grid;place-items:center;font-size:20px;font-weight:800;box-shadow:0 6px 14px rgba(244,91,138,.35)}
.nav-main{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-main a{padding:8px 13px;border-radius:999px;color:#5A4552;font-size:15px;font-weight:600;transition:background .2s,color .2s}
.nav-main a:hover{background:var(--pink-soft);color:#C9315F}
.nav-main a.active{background:var(--pink);color:#fff}
.nav-burger{width:44px;height:44px;border:1px solid var(--line);border-radius:12px;background:#fff;display:grid;place-content:center;gap:4px;margin-left:auto;cursor:pointer}
.nav-burger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink)}
.offcanvas.offcanvas-end{width:280px;background:var(--bg)}
.offcanvas-header{border-bottom:1px solid var(--line);padding:16px 20px}
.offcanvas-title{font-size:17px;font-weight:800}
.mnav{display:flex;flex-direction:column;gap:4px;margin-bottom:20px}
.mnav a{display:flex;align-items:center;height:48px;padding:0 14px;border-radius:12px;color:#5A4552;font-weight:600;font-size:15px}
.mnav a:hover,.mnav a.active{background:var(--pink-soft);color:#C9315F}
.mcta{width:100%}

/* Buttons */
.btn-brand,.btn-ghost{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 26px;border-radius:999px;font-size:16px;font-weight:700;border:1px solid transparent;cursor:pointer;transition:transform .2s,background .2s,box-shadow .2s,color .2s}
.btn-brand{background:var(--pink);border-color:var(--pink);color:#fff;box-shadow:0 8px 20px rgba(244,91,138,.28)}
.btn-brand:hover{background:var(--pink-d);border-color:var(--pink-d);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(244,91,138,.34)}
.btn-ghost{background:#fff;border-color:rgba(244,91,138,.5);color:var(--ink)}
.btn-ghost:hover{background:#FFF0F5;border-color:var(--pink);color:#C9315F;transform:translateY(-2px);box-shadow:var(--sh)}
.btn-brand:focus-visible,.btn-ghost:focus-visible,.nav-burger:focus-visible{outline:3px solid rgba(244,91,138,.35);outline-offset:2px}
.btn-hdr{height:42px;padding:0 20px;font-size:15px}
.btn-small{height:38px;padding:0 18px;font-size:14px}

/* Sections */
.section{padding:76px 0}
.section-tint{background:#FFFCFA;border-top:1px dashed var(--line);border-bottom:1px dashed var(--line)}
.sec-head{max-width:760px;margin-bottom:34px}
.sec-title{font-size:clamp(1.6rem,2.4vw,2.15rem);font-weight:700;line-height:1.3}
.sec-desc{margin-top:16px;color:var(--ink2);font-size:16px}

/* Hero */
.hero{position:relative;overflow:hidden;padding:60px 0 76px;background:linear-gradient(180deg,#FFF8F3 0%,#FFF0F5 100%)}
.hero::before{content:"";position:absolute;inset:0;background:url('/assets/images/3c739a4997ec36b9.jpg') center/cover no-repeat;opacity:.14}
.hero>.container{position:relative}
.hero-kicker{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:5px 14px;font-size:13px;font-weight:700;color:#C9315F;box-shadow:var(--sh)}
.hero h1{font-size:clamp(1.75rem,4.2vw,3.5rem);font-weight:800;line-height:1.15;margin:18px 0 14px}
.hero h1 .hl{color:var(--pink)}
.hero-sub{font-size:17px;font-weight:700;color:#5A4552;margin-bottom:14px}
.hero-lead{font-size:16px;color:var(--ink2);max-width:620px;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:24px}
.hero-facts{list-style:none;display:flex;flex-wrap:wrap;gap:10px 22px;font-size:14px;color:var(--ink2)}
.hero-facts li{display:flex;align-items:center;gap:7px}
.hero-facts li::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--mint)}
.hero-card{background:#fff;border:1px solid var(--line);border-radius:24px;box-shadow:var(--sh-h);padding:14px}
.hero-thumb{position:relative;aspect-ratio:16/10;border-radius:18px;overflow:hidden;background:#FDE7EE}
.hero-thumb img{width:100%;height:100%;object-fit:cover}
.hero-card-foot{padding:14px 4px 4px}
.hero-card-name{font-size:1.125rem;font-weight:700}
.hero-card-title{font-size:15px;color:var(--ink2);margin:6px 0 12px}
.chip-row{display:flex;flex-wrap:wrap;gap:8px}
.chip{font-size:12.5px;font-weight:600;color:#5A4552;background:#FFF3F7;border:1px solid var(--line);border-radius:999px;padding:4px 12px}
.badge-live{position:absolute;top:10px;left:10px;display:inline-flex;align-items:center;gap:5px;background:var(--live);color:#fff;font-size:12px;font-weight:800;letter-spacing:.05em;padding:3px 10px;border-radius:8px}
.badge-live::before{content:"";width:6px;height:6px;border-radius:50%;background:#fff;animation:pulse 1.6s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
.viewers{position:absolute;right:10px;bottom:10px;background:rgba(46,31,42,.74);color:#fff;font-size:12px;font-weight:600;padding:3px 10px;border-radius:8px}
.tag{display:inline-block;font-size:12px;font-weight:700;color:#C9315F;background:var(--pink-soft);border-radius:999px;padding:2px 11px}

/* Pain */
.pain-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:24px 22px;height:100%;box-shadow:var(--sh);transition:transform .2s,box-shadow .2s}
.pain-card:hover{transform:translateY(-4px);box-shadow:var(--sh-h)}
.pain-num{display:inline-grid;place-items:center;width:38px;height:38px;border-radius:12px;background:linear-gradient(135deg,#FFF0F5,#FFE6D9);color:#C9315F;font-weight:800;font-size:15px;margin-bottom:14px}
.pain-card h3{font-size:1.05rem;font-weight:700;margin-bottom:8px}
.pain-card p{font-size:15px;color:var(--ink2);margin:0;line-height:1.8}

/* Solution */
.sol-head{position:sticky;top:96px}
.sol-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:24px 22px;height:100%;box-shadow:var(--sh);transition:transform .2s,box-shadow .2s}
.sol-card:hover{transform:translateY(-4px);box-shadow:var(--sh-h)}
.sol-icon{width:44px;height:44px;border-radius:14px;display:grid;place-items:center;margin-bottom:14px}
.sol-icon.i1{background:#FDE7EE}
.sol-icon.i2{background:#E4F7F2}
.sol-icon.i3{background:#FFF3D6}
.sol-icon::after{content:"";width:16px;height:16px;border-radius:6px;background:var(--pink)}
.sol-icon.i2::after{background:var(--mint);border-radius:50%}
.sol-icon.i3::after{background:var(--orange);border-radius:3px}
.sol-card h3{font-size:1.05rem;font-weight:700;margin-bottom:8px}
.sol-card p{font-size:15px;color:var(--ink2);margin:0;line-height:1.8}

/* Live cards */
.live-card{background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--sh);overflow:hidden;height:100%;transition:transform .25s,border-color .25s,box-shadow .25s}
.live-card:hover{transform:translateY(-4px);border-color:rgba(244,91,138,.35);box-shadow:var(--sh-h)}
.thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:#FDE7EE}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s}
.live-card:hover .thumb img{transform:scale(1.03)}
.card-body-custom{padding:12px 14px 16px}
.card-body-custom h3{font-size:1.05rem;font-weight:700;margin-bottom:6px}
.live-title{font-size:14px;color:var(--ink2);margin:8px 0 0;line-height:1.6;overflow:hidden;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical}

/* Soon */
.soon-card{background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--sh);overflow:hidden;height:100%;display:flex;flex-direction:column;transition:transform .25s,box-shadow .25s}
.soon-card:hover{transform:translateY(-4px);box-shadow:var(--sh-h)}
.time-badge{position:absolute;top:10px;right:10px;background:rgba(255,255,255,.94);color:#C9315F;font-size:12.5px;font-weight:800;padding:3px 10px;border-radius:8px}
.soon-body{padding:14px 16px 18px;display:flex;flex-direction:column;gap:8px;flex:1}
.soon-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:14px;color:var(--ink2)}
.soon-body .btn-ghost{margin-top:auto;width:100%}

/* Categories */
.cat-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:24px 22px;height:100%;box-shadow:var(--sh);transition:transform .2s,box-shadow .2s,border-color .2s}
.cat-card:hover{transform:translateY(-4px);border-color:rgba(244,91,138,.35);box-shadow:var(--sh-h)}
.cat-card h3{font-size:1.1rem;font-weight:700;margin-bottom:10px;display:flex;align-items:center;gap:9px}
.cat-card h3::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--pink)}
.cat-card p{font-size:15px;color:var(--ink2);line-height:1.8;margin-bottom:14px}

/* Steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.step{position:relative;text-align:center;padding:6px 8px}
.step::after{content:"";position:absolute;top:32px;left:calc(50% + 34px);right:-22px;border-top:2px dashed #F4C3D4}
.step:last-child::after{display:none}
.step-num{width:48px;height:48px;border-radius:50%;background:#fff;border:2px solid var(--pink);color:#C9315F;font-weight:800;font-size:17px;display:grid;place-items:center;margin:0 auto 14px;box-shadow:var(--sh)}
.step h3{font-size:1.02rem;font-weight:700;margin-bottom:6px}
.step p{font-size:14px;color:var(--ink2);margin:0;line-height:1.7}

/* Data band */
.data-band{background:#2E1F2A;color:#FFF8F3;border-radius:28px;padding:42px 34px}
.data-band h2{font-size:clamp(1.5rem,2.2vw,2rem);font-weight:700}
.data-band .lead-note{color:#C9B5BE;font-size:15px;margin:12px 0 0}
.data-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:28px}
.data-item{border-left:2px solid rgba(244,91,138,.55);padding-left:16px}
.data-num{font-size:clamp(1.5rem,2.4vw,2rem);font-weight:800;color:#FFD166;line-height:1.2}
.data-item span{display:block;font-size:14px;color:#C9B5BE;margin-top:6px}
.data-foot{margin-top:24px;font-size:13px;color:#A98E9B}

/* Ranking */
.rank-list{list-style:none;display:grid;gap:12px}
.rank-item{display:flex;align-items:center;gap:12px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:12px 14px;line-height:1.5;transition:transform .2s,box-shadow .2s}
.rank-item:hover{transform:translateY(-2px);box-shadow:var(--sh)}
.rank-no{flex:0 0 auto;width:30px;height:30px;border-radius:10px;display:grid;place-items:center;font-weight:800;font-size:14px;background:var(--pink-soft);color:#C9315F}
.rank-list li:nth-child(1) .rank-no{background:var(--pink);color:#fff}
.rank-list li:nth-child(2) .rank-no{background:var(--mint);color:#fff}
.rank-list li:nth-child(3) .rank-no{background:var(--yellow);color:#8A5A00}
.rank-name{font-weight:700;font-size:15px;min-width:52px}
.rank-cat{font-size:12px;color:var(--ink2)}
.rank-heat{margin-left:auto;display:flex;align-items:center;gap:10px;flex:0 0 auto}
.heat{width:88px;height:6px;border-radius:999px;background:#F6E9EF;overflow:hidden}
.heat i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--pink),var(--orange))}
.view-num{font-size:13px;color:var(--ink2);font-weight:600;width:64px;text-align:right}

/* Voices */
.voice-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:22px;height:100%;box-shadow:var(--sh)}
.voice-top{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.avatar{width:54px;height:54px;border-radius:50%;overflow:hidden;flex:0 0 auto;background:#FDE7EE}
.avatar img{width:100%;height:100%;object-fit:cover}
.voice-top strong{display:block;font-size:15px;font-weight:700}
.voice-card p{font-size:15px;color:var(--ink2);line-height:1.8;margin-bottom:14px}

/* Audience */
.scene-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:22px;height:100%;box-shadow:var(--sh);transition:transform .2s,box-shadow .2s}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--sh-h)}
.scene-icon{width:42px;height:42px;border-radius:14px;display:grid;place-items:center;background:#FFF3F7;margin-bottom:14px}
.scene-icon::after{content:"";width:14px;height:14px;border-radius:50%;background:var(--pink)}
.scene-card:nth-child(2) .scene-icon{background:#E4F7F2}
.scene-card:nth-child(2) .scene-icon::after{background:var(--mint)}
.scene-card:nth-child(3) .scene-icon{background:#FFF3D6}
.scene-card:nth-child(3) .scene-icon::after{background:var(--yellow);border-radius:4px}
.scene-card:nth-child(4) .scene-icon{background:#FFEFE4}
.scene-card:nth-child(4) .scene-icon::after{background:var(--orange);border-radius:4px}
.scene-card h3{font-size:1.02rem;font-weight:700;margin-bottom:8px}
.scene-card p{font-size:15px;color:var(--ink2);margin:0;line-height:1.8}

/* News */
.news-card{background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--sh);overflow:hidden;height:100%;transition:transform .2s,box-shadow .2s}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--sh-h)}
.news-thumb{aspect-ratio:16/9;overflow:hidden;background:#FDE7EE}
.news-thumb img{width:100%;height:100%;object-fit:cover}
.news-body{padding:14px 16px 18px}
.news-body h3{font-size:1rem;font-weight:700;line-height:1.55;margin-bottom:10px}
.news-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:13px;color:var(--ink2)}

/* Topics */
.topic-card{position:relative;border-radius:20px;overflow:hidden;height:100%;box-shadow:var(--sh);background:#2E1F2A;transition:transform .25s,box-shadow .25s}
.topic-card:hover{transform:translateY(-4px);box-shadow:var(--sh-h)}
.topic-cover{aspect-ratio:4/3}
.topic-cover img{width:100%;height:100%;object-fit:cover;opacity:.82;transition:transform .35s,opacity .3s}
.topic-card:hover .topic-cover img{transform:scale(1.03);opacity:.92}
.topic-body{position:absolute;left:0;right:0;bottom:0;padding:18px 18px 16px;background:linear-gradient(180deg,rgba(46,31,42,0) 0%,rgba(46,31,42,.86) 62%)}
.topic-body h3{font-size:1.05rem;font-weight:700;color:#FFF8F3}
.topic-body span{font-size:13px;color:#E4C9D3}

/* Metrics */
.metric-list{list-style:none;display:grid;gap:20px}
.metric-list li header{display:flex;justify-content:space-between;gap:12px;font-size:15px;font-weight:600;margin-bottom:8px}
.metric-list li header b{color:#C9315F}
.progress{height:10px;background:#F6E9EF;border-radius:999px;overflow:hidden}
.progress-bar{background:linear-gradient(90deg,var(--pink),var(--mint));border-radius:999px}
.metric-list li:nth-child(2) .progress-bar{background:linear-gradient(90deg,var(--mint),#9FE7D8)}
.metric-list li:nth-child(3) .progress-bar{background:linear-gradient(90deg,var(--orange),var(--yellow))}
.metric-list li:nth-child(4) .progress-bar{background:linear-gradient(90deg,var(--pink),var(--orange))}

/* FAQ */
.accordion-item{border:1px solid var(--line);border-radius:16px;overflow:hidden;background:#fff;margin-bottom:12px;box-shadow:var(--sh)}
.accordion-button{font-size:16px;font-weight:700;color:var(--ink);background:#fff;padding:18px 20px;box-shadow:none}
.accordion-button:not(.collapsed){background:#FFF0F5;color:#C9315F}
.accordion-button:focus{box-shadow:none;outline:3px solid rgba(244,91,138,.28);outline-offset:-3px}
.accordion-button::after{background-image:none;content:"+";font-size:22px;font-weight:700;line-height:1;width:auto;height:auto;transform:none;color:#C9315F}
.accordion-button:not(.collapsed)::after{background-image:none;content:"−";transform:none}
.accordion-body{font-size:15px;line-height:1.8;color:var(--ink2);padding:4px 20px 20px}

/* CTA */
.cta-band{position:relative;overflow:hidden;border-radius:28px;padding:48px 38px;background:linear-gradient(135deg,#FFF8F3 0%,#FFE3ED 100%)}
.cta-band::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(244,91,138,.20) 1.5px,transparent 1.5px);background-size:16px 16px;opacity:.65}
.cta-inner{position:relative;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px}
.cta-inner h2{font-size:clamp(1.5rem,2.4vw,2.1rem);font-weight:800;max-width:520px}
.cta-inner p{font-size:15px;color:#7A6472;margin:10px 0 0;max-width:520px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* Footer */
.site-footer{background:#2E1F2A;color:#EADDE3;padding:56px 0 0;margin-top:76px}
.site-footer a{color:#D9C6CE;transition:color .2s}
.site-footer a:hover{color:#FFD166}
.foot-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:32px;padding-bottom:38px}
.foot-brand .brand{color:#FFF8F3;margin-bottom:14px}
.foot-brand p{font-size:14px;color:#B79EA9;line-height:1.8;max-width:300px;margin:0}
.foot-col h3{font-size:14px;font-weight:700;letter-spacing:.06em;color:#FFF8F3;margin-bottom:14px}
.foot-col a,.foot-col p{display:block;font-size:14px;color:#B79EA9;margin:0 0 10px;line-height:1.7}
.foot-col a:hover{color:#FFD166}
.foot-bottom{border-top:1px solid rgba(255,255,255,.10);padding:18px 0 24px;font-size:13px;color:#9C8590;text-align:center}

/* Responsive */
@media (max-width:1023px){
  .hero{padding:44px 0 60px}
  .section{padding:60px 0}
  .sol-head{position:static;margin-bottom:24px}
  .data-grid{grid-template-columns:repeat(2,1fr);gap:18px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:26px}
}
@media (max-width:768px){
  .hdr{height:64px}
  .brand{font-size:17px}
  .brand-mark{width:36px;height:36px;font-size:18px;border-radius:11px}
  .section{padding:48px 0}
  .hero h1{font-size:1.8rem}
  .hero-sub{font-size:16px}
  .hero-actions .btn-brand,.hero-actions .btn-ghost{width:100%}
  .steps{grid-template-columns:1fr;gap:8px}
  .step{display:flex;align-items:flex-start;gap:14px;text-align:left;padding:10px 4px}
  .step::after{display:none}
  .step-num{margin:0;flex:0 0 auto;width:42px;height:42px;font-size:15px}
  .rank-item{flex-wrap:wrap;gap:8px 12px}
  .rank-heat{margin-left:auto}
  .data-band{padding:30px 22px;border-radius:22px}
  .cta-band{padding:34px 22px;border-radius:22px}
  .cta-actions{width:100%}
  .cta-actions a{flex:1 1 100%;width:100%}
  .site-footer{margin-top:48px;padding-top:40px}
  .foot-grid{grid-template-columns:1fr 1fr}
  .hero-card{padding:12px}
  .card-body-custom{padding:10px 12px 14px}
  .card-body-custom h3{font-size:1rem}
  .live-title{font-size:13px}
  .news-body h3{font-size:.98rem}
}
@media (max-width:520px){
  body{font-size:15px}
  .section{padding:44px 0}
  .hero{padding:34px 0 48px}
  .hero h1{font-size:1.75rem}
  .hero-lead{font-size:15px}
  .hero-facts{font-size:13px;gap:8px 16px}
  .sec-desc{font-size:15px}
  .data-grid{grid-template-columns:1fr 1fr;gap:16px}
  .data-num{font-size:1.4rem}
  .foot-grid{grid-template-columns:1fr;gap:24px}
  .foot-brand p{max-width:none}
  .pain-card,.sol-card,.cat-card,.scene-card,.voice-card{padding:20px 18px}
  .rank-name{font-size:14px}
  .heat{width:64px}
  .view-num{width:56px;font-size:12px}
  .cta-inner h2{font-size:1.5rem}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none !important;transition:none !important}
}