/* roulang page: index */
:root{
  --peach:#C6335B;
  --peach-dark:#A82849;
  --green:#2B4741;
  --paper:#F7F2E8;
  --card:#FFFDF8;
  --ink:#17120F;
  --muted:#6B615A;
  --line:#DCD2C4;
  --brown:#A8763E;
  --serif:"Noto Serif SC","Songti SC","SimSun",serif;
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --r:3px;
  --shadow:0 1px 2px rgba(23,18,15,.06);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.85}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3{font-family:var(--serif);margin:0;letter-spacing:-.01em;line-height:1.3;font-weight:700}
p{margin:0}
button{font:inherit;cursor:pointer}
section[id]{scroll-margin-top:88px}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 32px}
.mono{font-family:var(--mono)}

/* 头部导航 */
.site-header{position:sticky;top:0;z-index:60;background:rgba(247,242,232,.94);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;height:72px;gap:24px}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.brand-mark{width:40px;height:40px;border-radius:2px;background:var(--peach);color:#FFFDF8;font-family:var(--serif);font-size:20px;display:flex;align-items:center;justify-content:center}
.brand-name{font-family:var(--serif);font-size:20px;font-weight:700;line-height:1.1}
.brand-sub{font-size:13px;color:var(--peach);letter-spacing:.06em;padding-left:12px;border-left:1px solid var(--line);line-height:1.2}
.nav-links{display:flex;align-items:center;gap:24px;margin-left:auto}
.nav-links a{font-size:15px;padding:6px 0;border-bottom:2px solid transparent;transition:border-color .18s,color .18s}
.nav-links a:hover,.nav-links a[aria-current="page"]{border-bottom-color:var(--peach);color:var(--peach)}
.nav-cta{height:40px;padding:0 18px;font-size:14px}
.burger{display:none;width:44px;height:44px;border:1px solid var(--line);background:transparent;border-radius:2px;padding:12px 10px;flex-direction:column;justify-content:space-between}
.burger span{display:block;height:1px;background:var(--ink);width:100%}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;height:46px;padding:0 22px;border-radius:2px;font-size:15px;border:1px solid transparent;transition:background .18s,color .18s,border-color .18s,transform .18s}
.btn-primary{background:var(--peach);color:#FFFDF8}
.btn-primary:hover{background:var(--peach-dark);transform:translateY(-1px)}
.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn-ghost:hover{border-color:var(--peach);color:var(--peach)}
.btn:focus-visible{outline:2px solid var(--peach);outline-offset:2px}

/* 首屏 */
.hero{position:relative;overflow:hidden;background:#140F0D;color:#F7F2E8;padding:64px 0 56px}
.hero-bg{position:absolute;inset:0;background:url('/assets/images/3f39e65b9efeb658.jpg') center/cover no-repeat;opacity:.26}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(20,15,13,.96) 0%,rgba(20,15,13,.78) 52%,rgba(20,15,13,.56) 100%)}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.2fr .8fr;gap:48px;align-items:start}
.eyebrow{display:inline-block;font-size:12px;letter-spacing:.16em;color:var(--peach);border:1px solid rgba(198,51,91,.55);padding:3px 10px;border-radius:2px}
.hero h1{font-size:clamp(30px,4.2vw,54px);line-height:1.16;margin-top:18px;color:#FFFDF8}
.hero h1 em{font-style:normal;color:#F0728F;border-bottom:6px solid var(--peach);padding-bottom:2px}
.hero-sub{margin-top:16px;font-size:17px;color:#EBE1D6;letter-spacing:.02em}
.hero-desc{margin-top:14px;max-width:580px;font-size:15px;line-height:1.95;color:rgba(247,242,232,.76)}
.hero-actions{display:flex;gap:14px;margin-top:28px;flex-wrap:wrap}
.hero .btn-ghost{border-color:rgba(247,242,232,.55);color:#F7F2E8}
.hero .btn-ghost:hover{border-color:var(--peach);color:#FFFDF8}
.hero-rule{width:64px;height:2px;background:#F7F2E8;opacity:.7;margin-top:26px}
.hero-board{background:#1D1714;border:1px solid rgba(220,210,196,.2);border-radius:3px;padding:20px 20px 10px}
.board-head{display:flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.08em;color:#EBE1D6;padding-bottom:12px;border-bottom:1px solid rgba(220,210,196,.2)}
.dot-live{width:7px;height:7px;border-radius:50%;background:var(--peach)}
.board-row{display:flex;align-items:center;gap:10px;padding:12px 0;border-bottom:1px solid rgba(220,210,196,.14);font-size:14px}
.board-row:last-of-type{border-bottom:none}
.board-no{font-family:var(--serif);font-style:italic;font-size:16px;color:var(--peach);width:22px;flex:0 0 22px}
.board-name{color:#F7F2E8}
.board-cat{font-size:11px;letter-spacing:.08em;color:#B9CFC8;border:1px solid rgba(185,207,200,.45);padding:1px 6px;border-radius:2px}
.board-online{margin-left:auto;font-family:var(--mono);font-size:13px;color:#D9CEC2}
.board-note{padding:10px 0 4px;font-size:12px;color:rgba(247,242,232,.5);letter-spacing:.04em}

/* 通用板块 */
.sec{padding:64px 0;border-top:1px solid var(--line)}
.sec-alt{background:var(--card)}
.sec-dark{background:#17120F;color:#F7F2E8;border-top:none}
.sec-head{max-width:780px;margin-bottom:34px}
.sec-title{font-size:clamp(23px,2.6vw,32px);line-height:1.35}
.sec-desc{margin-top:12px;font-size:15px;line-height:1.9;color:var(--muted)}
.sec-dark .sec-desc{color:rgba(247,242,232,.72)}
.kicker{font-size:12px;letter-spacing:.16em;color:var(--peach);display:block;margin-bottom:10px}

/* 痛点 */
.pain-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.pain-item{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:22px 20px;box-shadow:var(--shadow)}
.pain-no{font-family:var(--mono);font-size:12px;letter-spacing:.12em;color:var(--brown)}
.pain-title{font-family:var(--serif);font-size:18px;margin-top:10px}
.pain-text{margin-top:6px;font-size:14px;color:var(--muted);line-height:1.75}

/* 解决方案 */
.solution{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.solution-list{margin-top:18px}
.solution-list li{font-size:15px;padding:7px 0;color:var(--ink);border-bottom:1px dashed var(--line)}
.solution-list li:last-child{border-bottom:none}
.shot{border:1px solid var(--line);border-radius:var(--r);overflow:hidden;aspect-ratio:4/3;background:#EDE4D5}
.shot img{width:100%;height:100%;object-fit:cover}

/* 步骤 */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.step{border-top:2px solid var(--ink);padding-top:18px;position:relative}
.step-no{font-family:var(--mono);font-size:13px;color:var(--peach);letter-spacing:.12em}
.step-title{font-family:var(--serif);font-size:19px;margin-top:8px}
.step-text{margin-top:6px;font-size:14px;color:var(--muted);line-height:1.75}

/* 数据条 */
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.metric-num{font-family:var(--serif);font-size:clamp(30px,3.6vw,46px);line-height:1;color:#FFFDF8}
.metric-num i{font-style:normal;font-size:.5em;color:var(--peach);margin-left:2px}
.metric-label{margin-top:10px;font-size:13px;letter-spacing:.06em;color:rgba(247,242,232,.66)}
.metric{border-left:1px solid rgba(220,210,196,.24);padding-left:20px}
.metric:first-child{border-left:none;padding-left:0}

/* 热门直播间 */
.live-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.live-card{border:1px solid var(--line);background:var(--card);border-radius:var(--r);overflow:hidden;transition:border-color .18s,box-shadow .18s}
.live-card:hover{border-color:var(--peach);box-shadow:var(--shadow)}
.live-cover{position:relative;display:block;aspect-ratio:16/9;overflow:hidden;background:#EDE4D5}
.live-cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.live-card:hover .live-cover img{transform:scale(1.03)}
.tag-corner{position:absolute;top:9px;left:9px;background:rgba(20,15,13,.82);color:#F7F2E8;font-size:11px;letter-spacing:.1em;padding:2px 8px;border-radius:2px}
.tag-live{position:absolute;right:9px;bottom:9px;background:var(--peach);color:#FFFDF8;font-family:var(--mono);font-size:10px;letter-spacing:.1em;padding:2px 7px;border-radius:2px}
.live-body{padding:13px 15px 15px}
.live-title{font-family:var(--serif);font-size:17px;line-height:1.4}
.live-card:hover .live-title{text-decoration:underline;text-decoration-color:var(--peach);text-underline-offset:3px}
.live-meta{margin-top:6px;font-size:13px;color:var(--muted)}

/* 即将开播 */
.up-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:0 44px}
.up-item{display:flex;align-items:center;gap:16px;padding:16px 0;border-bottom:1px solid var(--line)}
.up-thumb{flex:0 0 132px;aspect-ratio:3/2;overflow:hidden;border-radius:2px;background:#EDE4D5}
.up-thumb img{width:100%;height:100%;object-fit:cover}
.up-name{font-family:var(--serif);font-size:17px}
.up-cat{margin-top:4px;font-size:12px;letter-spacing:.08em;color:var(--green)}
.up-time{margin-left:auto;font-family:var(--mono);font-size:13px;color:var(--peach);white-space:nowrap}

/* 分类频道 */
.channels{display:grid;grid-template-columns:repeat(5,1fr);gap:24px}
.channel{border-top:3px solid var(--peach);padding-top:16px}
.channel-name{font-family:var(--serif);font-size:18px}
.channel-text{margin-top:8px;font-size:14px;line-height:1.8;color:var(--muted)}

/* 人气榜 */
.rank-list{display:grid;grid-template-columns:repeat(2,1fr);gap:0 48px}
.rank-row{display:flex;align-items:center;gap:12px;padding:13px 8px;border-bottom:1px solid var(--line);transition:background .18s}
.rank-row:hover{background:var(--card)}
.rank-no{flex:0 0 44px;width:44px;text-align:right;font-family:var(--serif);font-style:italic;font-size:21px;color:var(--peach);line-height:1}
.rank-name{font-size:15px}
.rank-online{margin-left:auto;font-family:var(--mono);font-size:13px;color:var(--muted)}
.rank-cat{font-size:11px;letter-spacing:.08em;color:var(--green);border:1px solid var(--green);padding:1px 7px;border-radius:2px}

/* 证言 */
.voices{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.voice{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:24px}
.voice-quote{font-family:var(--serif);font-size:40px;line-height:.6;color:var(--peach);display:block;height:24px}
.voice-text{margin-top:10px;font-size:15px;line-height:1.85}
.voice-by{margin-top:16px;font-size:13px;color:var(--muted);display:flex;align-items:center;gap:8px}
.voice-avatar{width:32px;height:32px;border-radius:50%;background:var(--line);flex:0 0 32px}

/* 适用人群 */
.aud{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.aud-item{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:20px;transition:border-color .18s}
.aud-item:hover{border-color:var(--peach)}
.aud-title{font-family:var(--serif);font-size:17px}
.aud-text{margin-top:6px;font-size:13px;color:var(--muted);line-height:1.75}

/* 资讯 */
.news{display:grid;grid-template-columns:repeat(2,1fr);gap:0 44px}
.news-item{display:flex;gap:16px;padding:16px 0;border-bottom:1px solid var(--line)}
.news-thumb{flex:0 0 104px;aspect-ratio:4/3;overflow:hidden;border-radius:2px;background:#EDE4D5}
.news-thumb img{width:100%;height:100%;object-fit:cover}
.news-title{font-family:var(--serif);font-size:16px;line-height:1.55}
.news-item:hover .news-title{text-decoration:underline;text-decoration-color:var(--peach);text-underline-offset:3px}
.news-date{margin-top:6px;font-family:var(--mono);font-size:12px;color:var(--muted);letter-spacing:.06em}

/* 专题条 */
.topic-band{background:var(--green);color:#F4EFE4;border-radius:var(--r);padding:34px 36px;display:flex;align-items:center;gap:32px;flex-wrap:wrap}
.topic-band h2{font-size:clamp(20px,2.4vw,26px);color:#FFFDF8}
.topic-band p{margin-top:8px;font-size:14px;color:rgba(244,239,228,.8);max-width:640px;line-height:1.85}
.topic-link{margin-left:auto;border:1px solid rgba(244,239,228,.6);color:#FFFDF8;padding:11px 20px;border-radius:2px;font-size:14px;transition:background .18s,color .18s}
.topic-link:hover{background:#FFFDF8;color:var(--green)}

/* 节目单 */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r);background:var(--card)}
table{width:100%;border-collapse:collapse;font-size:15px;min-width:620px}
th{background:#F0E9DC;color:var(--green);font-size:13px;letter-spacing:.08em;text-align:left;padding:14px 18px;font-weight:600}
td{padding:14px 18px;border-top:1px solid var(--line);vertical-align:middle}
td.time{font-family:var(--mono);font-size:13px;color:var(--muted);white-space:nowrap}
.state{display:inline-block;font-size:12px;letter-spacing:.06em;padding:2px 9px;border-radius:2px}
.state-on{color:#FFFDF8;background:var(--green)}
.state-book{color:var(--peach);border:1px solid var(--peach)}

/* 多端同步 */
.sync{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.sync-item{border:1px solid var(--line);border-radius:var(--r);background:var(--card);padding:22px}
.sync-item h3{font-size:18px}
.sync-item p{margin-top:8px;font-size:14px;color:var(--muted);line-height:1.8}

/* FAQ */
.faq-list{border-top:1px solid var(--line);max-width:900px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:flex-start;gap:16px;padding:20px 0;font-family:var(--serif);font-size:17px;line-height:1.6}
.faq-item summary::-webkit-details-marker{display:none}
.faq-mark{margin-left:auto;font-family:var(--mono);color:var(--peach);font-size:18px;line-height:1.2}
.faq-a{padding:0 0 22px;font-size:15px;line-height:1.9;color:var(--muted);max-width:820px}

/* 收口 CTA */
.cta-band{background:var(--peach);color:#FFFDF8;padding:56px 0}
.cta-inner{display:flex;align-items:center;gap:32px;flex-wrap:wrap}
.cta-inner h2{font-size:clamp(22px,3vw,34px);color:#FFFDF8;line-height:1.35}
.cta-inner p{margin-top:10px;font-size:15px;color:rgba(255,253,248,.86);max-width:560px}
.cta-inner .btn{background:#FFFDF8;color:var(--peach);margin-left:auto}
.cta-inner .btn:hover{background:#17120F;color:#FFFDF8;transform:translateY(-1px)}

/* 页脚 */
.site-footer{background:#17120F;color:rgba(247,242,232,.78);padding:56px 0 28px;border-top:none}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.footer-brand .brand-mark{background:var(--peach)}
.footer-brand .brand-name{color:#FFFDF8;font-size:19px}
.footer-text{font-size:14px;line-height:1.9;color:rgba(247,242,232,.62);max-width:360px}
.footer-title{font-size:13px;letter-spacing:.14em;color:#FFFDF8;margin-bottom:14px}
.footer-list li{margin-bottom:9px}
.footer-list a{font-size:14px;color:rgba(247,242,232,.66);transition:color .18s}
.footer-list a:hover{color:var(--peach)}
.footer-copy{margin-top:40px;padding-top:20px;border-top:1px solid rgba(220,210,196,.16);font-size:13px;color:rgba(247,242,232,.48);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}

/* 移动抽屉 */
.drawer{position:fixed;top:0;right:0;width:86vw;max-width:360px;height:100%;background:var(--paper);border-left:1px solid var(--line);transform:translateX(102%);transition:transform .25s ease;z-index:80;padding:20px;display:flex;flex-direction:column}
.drawer.open{transform:translateX(0)}
.drawer-top{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:18px;border-bottom:1px solid var(--line)}
.drawer-close{width:44px;height:44px;border:1px solid var(--line);background:transparent;border-radius:2px;font-size:20px;line-height:1;color:var(--ink)}
.drawer-nav{margin-top:8px}
.drawer-nav a{display:flex;align-items:center;height:56px;border-bottom:1px solid var(--line);font-size:16px}
.drawer-cta{margin-top:auto;width:100%}
.scrim{position:fixed;inset:0;background:rgba(23,18,15,.45);opacity:0;pointer-events:none;transition:opacity .25s;z-index:70}
.scrim.open{opacity:1;pointer-events:auto}

/* 响应式：1024 */
@media (max-width:1024px){
  .container{padding:0 24px}
  .hero-inner{grid-template-columns:1fr;gap:36px}
  .hero-desc{max-width:none}
  .live-grid{grid-template-columns:repeat(3,1fr);gap:16px}
  .channels{grid-template-columns:repeat(3,1fr);gap:20px}
  .aud{grid-template-columns:repeat(2,1fr)}
  .solution{gap:32px}
  .rank-list{gap:0 32px}
  .up-grid,.news{gap:0 28px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px}
  .nav-links{gap:18px}
}

/* 响应式：768 */
@media (max-width:768px){
  .container{padding:0 20px}
  .sec{padding:48px 0}
  .nav{height:64px;gap:12px}
  .brand-sub{display:none}
  .nav-links,.nav-cta{display:none}
  .burger{display:flex;margin-left:auto}
  .hero{padding:44px 0 40px}
  .hero-sub{font-size:16px}
  .pain-grid{grid-template-columns:1fr;gap:16px}
  .solution{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr;gap:18px}
  .metrics{grid-template-columns:repeat(2,1fr);gap:24px}
  .metric:nth-child(3){border-left:none;padding-left:0}
  .live-grid{grid-template-columns:repeat(2,1fr)}
  .up-grid,.news{grid-template-columns:1fr}
  .channels{grid-template-columns:repeat(2,1fr)}
  .rank-list{grid-template-columns:1fr}
  .voices{grid-template-columns:1fr}
  .aud{grid-template-columns:1fr}
  .sync{grid-template-columns:1fr}
  .topic-band{padding:26px 22px}
  .topic-link{margin-left:0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .cta-inner .btn{margin-left:0;width:100%}
}

/* 响应式：520 */
@media (max-width:520px){
  body{font-size:15px}
  .hero h1{font-size:28px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .live-grid{grid-template-columns:1fr}
  .metrics{grid-template-columns:1fr;gap:20px}
  .metric{border-left:none;padding-left:0;border-top:1px solid rgba(220,210,196,.2);padding-top:16px}
  .metric:first-child{border-top:none;padding-top:0}
  .channels{grid-template-columns:1fr}
  .up-thumb{flex:0 0 96px}
  .up-name{font-size:16px}
  .news-thumb{flex:0 0 88px}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .sec-title{font-size:22px}
}