/* roulang page: index */
:root{
  --paper:#F7F4EE;
  --card:#FFFFFF;
  --rule:#E3DCCF;
  --ink:#1B1A18;
  --ink-2:#5E5A52;
  --brand:#C4553B;
  --brand-ink:#9E4029;
  --accent:#2E4A4F;
  --radius:6px;
  --shadow-1:0 1px 0 var(--rule);
  --shadow-2:0 6px 18px rgba(27,26,24,.08);
  --maxw:1180px;
  --gap:24px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;}
p{margin:0;}
h1,h2,h3{
  margin:0;
  font-family:"Noto Serif SC","Songti SC","SimSun",serif;
  font-weight:700;
  letter-spacing:.01em;
}
ul,ol{list-style:none;margin:0;padding:0;}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:44px;padding:0 24px;border-radius:4px;
  font-size:15px;font-weight:600;border:1.5px solid transparent;
  transition:background .18s,color .18s,transform .18s,border-color .18s;
  cursor:pointer;
}
.btn-primary{background:var(--brand);color:#fff;}
.btn-primary:hover{background:var(--brand-ink);transform:translateY(-1px);}
.btn-ghost{border-color:rgba(247,244,238,.65);color:#F7F4EE;}
.btn-ghost:hover{background:rgba(247,244,238,.12);}
.btn-line{border-color:var(--ink);color:var(--ink);}
.btn-line:hover{background:rgba(27,26,24,.06);}
.btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}

/* 刊头 */
.masthead{background:var(--paper);border-bottom:1px solid var(--rule);}
.masthead-bar{
  display:flex;justify-content:space-between;align-items:center;
  font-size:11px;letter-spacing:.14em;color:var(--ink-2);
  padding:10px 0;border-bottom:1px solid var(--rule);
}
.masthead-main{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:18px 0;}
.brand{display:flex;align-items:center;gap:10px;min-height:44px;}
.brand-mark{
  width:28px;height:28px;display:grid;place-items:center;
  background:var(--brand);color:#fff;border-radius:3px;
  font-family:"Noto Serif SC",serif;font-size:16px;font-weight:700;
}
.brand-name{font-family:"Noto Serif SC","Songti SC",serif;font-size:28px;font-weight:700;letter-spacing:.02em;}
.channels{display:flex;align-items:center;flex-wrap:wrap;font-size:14px;}
.channels a{
  display:inline-flex;align-items:center;min-height:44px;
  padding:0 14px;color:var(--ink-2);border-left:1px solid var(--rule);
  transition:color .18s;
}
.channels a:first-child{border-left:none;padding-left:0;}
.channels a:hover,.channels a:focus-visible{color:var(--brand);}
.channels a.active{color:var(--ink);font-weight:600;}

/* 首屏 */
.hero{
  position:relative;
  background:#1B1A18 url("/assets/images/66936c4a1107179a.jpg") center/cover no-repeat;
  color:#F7F4EE;
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(100deg,rgba(20,19,18,.92),rgba(20,19,18,.66) 55%,rgba(20,19,18,.22));
}
.hero .container{position:relative;z-index:1;}
.hero-inner{max-width:700px;padding:92px 0 76px;}
.hero-kicker{
  display:inline-block;margin-bottom:20px;padding-bottom:6px;
  font-size:12px;letter-spacing:.16em;color:#E8DCCF;
  border-bottom:1px solid rgba(247,244,238,.42);
}
.hero h1{font-size:46px;line-height:1.3;margin-bottom:18px;}
.hero h1 em{font-style:normal;color:#E9A48E;}
.hero-sub{font-size:17px;color:#EFE7DC;margin-bottom:14px;}
.hero-desc{max-width:560px;font-size:15px;line-height:1.9;color:#D3C9BD;margin-bottom:30px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
.hero-note{
  margin-top:28px;font-family:"Noto Serif SC","Songti SC",serif;
  font-style:italic;font-size:13px;color:#C6BCAF;
}

/* 板块 */
.sec{padding:72px 0;}
.sec + .sec{border-top:1px solid var(--rule);}
.sec-head{
  display:flex;align-items:baseline;justify-content:space-between;
  gap:20px;flex-wrap:wrap;margin-bottom:26px;
}
.sec-title{display:flex;align-items:baseline;gap:12px;font-size:29px;line-height:1.36;}
.sec-title .num{
  font-family:"Noto Sans SC",sans-serif;font-size:14px;font-weight:600;
  letter-spacing:.08em;color:var(--brand);
}
.more{font-size:14px;color:var(--brand);padding-bottom:2px;border-bottom:1px solid transparent;transition:border-color .18s;}
.more:hover,.more:focus-visible{border-bottom-color:var(--brand);}

/* 痛点 */
.pain-list{display:grid;grid-template-columns:repeat(3,1fr);}
.pain-list li{padding:0 28px;border-left:1px solid var(--rule);}
.pain-list li:first-child{padding-left:0;border-left:none;}
.pain-list li:last-child{padding-right:0;}
.pain-list h3{font-size:19px;margin-bottom:10px;}
.pain-list p{font-size:15px;color:var(--ink-2);line-height:1.8;}

/* 内容线 */
.line-list li{
  display:grid;grid-template-columns:54px 150px 1fr;gap:20px;align-items:baseline;
  padding:22px 0;border-top:1px solid var(--rule);
}
.line-list li:last-child{border-bottom:1px solid var(--rule);}
.line-no{font-family:"Noto Serif SC",serif;font-size:28px;line-height:1;color:var(--brand);}
.line-name{font-family:"Noto Serif SC",serif;font-size:20px;font-weight:700;}
.line-list p{font-size:15px;color:var(--ink-2);}

/* 步骤 */
.steps{position:relative;}
.steps::before{content:"";position:absolute;left:15px;top:10px;bottom:10px;width:1px;background:var(--rule);}
.steps li{position:relative;padding:0 0 32px 52px;}
.steps li:last-child{padding-bottom:0;}
.dot{
  position:absolute;left:0;top:2px;width:31px;height:31px;border-radius:50%;
  display:grid;place-items:center;background:var(--card);border:1px solid var(--rule);
  font-family:"Noto Serif SC",serif;font-size:14px;font-weight:700;color:var(--brand);
}
.steps h3{font-size:19px;margin-bottom:8px;}
.steps p{font-size:15px;color:var(--ink-2);max-width:620px;}

/* 指标 */
.metrics{display:grid;grid-template-columns:repeat(4,1fr);}
.metrics li{padding:0 24px;border-left:1px solid var(--rule);text-align:center;}
.metrics li:first-child{border-left:none;}
.metrics b{
  display:block;font-family:"Noto Serif SC",serif;font-size:38px;line-height:1.2;
  color:var(--brand);font-variant-numeric:tabular-nums;
}
.metrics span{font-size:13px;color:var(--ink-2);}

/* 证言 */
.voices{max-width:720px;margin:0 auto;}
.voices blockquote{margin:0 0 26px;padding-left:20px;border-left:3px solid var(--accent);}
.voices blockquote:last-child{margin-bottom:0;}
.voices p{font-size:16px;line-height:1.9;margin-bottom:10px;}
.voices footer{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--ink-2);}
.ava{
  width:34px;height:34px;border-radius:50%;background:#EADFD1;color:var(--accent);
  display:grid;place-items:center;font-family:"Noto Serif SC",serif;font-size:14px;
}

/* 人群 */
.audience{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;}
.audience li{
  background:var(--card);border:1px solid var(--rule);border-radius:var(--radius);
  padding:20px 22px;transition:border-color .2s,box-shadow .2s;
}
.audience li:hover{border-color:#C9BFB0;box-shadow:var(--shadow-2);}
.audience h3{font-size:17px;margin-bottom:8px;}
.audience p{font-size:14px;color:var(--ink-2);line-height:1.8;}

/* 视频卡 */
.vgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.vcard{
  background:var(--card);border:1px solid var(--rule);border-radius:var(--radius);
  padding:12px;transition:transform .2s,box-shadow .2s,border-color .2s;
}
.vcard:hover{transform:translateY(-2px);border-color:#C9BFB0;box-shadow:var(--shadow-2);}
.vthumb{
  position:relative;overflow:hidden;border-radius:4px;background:#EDE7DC;
  aspect-ratio:16/9;
}
.vthumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s;}
.vcard:hover .vthumb img{transform:scale(1.04);}
.vtime{
  position:absolute;right:8px;bottom:8px;
  background:rgba(20,19,18,.84);color:#fff;font-size:12px;line-height:1.6;
  padding:1px 7px;border-radius:3px;font-variant-numeric:tabular-nums;
}
.vcard h3{font-size:16px;margin:12px 0 4px;}
.vmeta{font-size:13px;color:var(--ink-2);font-variant-numeric:tabular-nums;}

/* 最新上传 */
.ngrid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.ngrid .vthumb{aspect-ratio:3/2;}
.nrow{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:10px;}
.nrow h3{font-size:15px;margin:0;}
.ntime{font-size:12px;color:var(--ink-2);font-variant-numeric:tabular-nums;}
.badge{
  display:inline-block;font-size:11px;line-height:1;font-weight:600;
  padding:4px 7px;border:1px solid var(--accent);color:var(--accent);border-radius:3px;
}
.badge-brand{border-color:var(--brand);color:var(--brand);}

/* 分类入口 */
.channels-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;}
.channels-grid li{
  background:var(--card);border:1px solid var(--rule);border-radius:var(--radius);
  transition:transform .2s,box-shadow .2s,border-color .2s;
}
.channels-grid a{
  display:block;padding:22px 18px;min-height:44px;
}
.channels-grid li:hover{transform:translateY(-2px);border-color:#C9BFB0;box-shadow:var(--shadow-2);}
.channels-grid h3{font-size:20px;margin-bottom:8px;}
.channels-grid p{font-size:13px;color:var(--ink-2);line-height:1.75;margin-bottom:12px;}
.channels-grid .arrow{color:var(--brand);font-size:16px;}

/* 排行 */
.rank-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 48px;}
.rank-list li{
  display:grid;grid-template-columns:44px 1fr auto auto;gap:14px;align-items:center;
  padding:13px 10px;border-bottom:1px solid var(--rule);
  transition:background .18s;
}
.rank-list li:hover{background:#FBF8F2;}
.rk{
  font-family:"Noto Serif SC",serif;font-size:20px;color:var(--brand);
  text-align:center;font-variant-numeric:tabular-nums;line-height:1.2;
}
.rk.top{font-size:27px;font-weight:700;}
.rtitle{font-size:15px;font-family:"Noto Serif SC",serif;font-weight:600;}
.rnum{font-size:13px;color:var(--ink-2);font-variant-numeric:tabular-nums;}
.rtag{
  font-size:11px;color:var(--accent);border:1px solid var(--rule);
  border-radius:3px;padding:2px 7px;white-space:nowrap;
}

/* 专题 */
.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.topic-card{
  background:var(--card);border:1px solid var(--rule);border-radius:var(--radius);
  padding:24px 22px;transition:transform .2s,box-shadow .2s,border-color .2s;
}
.topic-card:hover{transform:translateY(-2px);border-color:#C9BFB0;box-shadow:var(--shadow-2);}
.topic-card h3{font-size:18px;margin-bottom:10px;line-height:1.5;}
.topic-card p{font-size:14px;color:var(--ink-2);line-height:1.8;margin-bottom:14px;}
.tags{display:flex;flex-wrap:wrap;gap:8px;}
.tags span{
  font-size:12px;color:var(--ink-2);background:#F2EDE4;
  border-radius:3px;padding:3px 8px;
}

/* 资讯 */
.news-list{max-width:720px;}
.news-list li{
  display:grid;grid-template-columns:120px 1fr;gap:16px;align-items:center;
  padding:16px 0;border-bottom:1px solid var(--rule);
}
.news-list li:first-child{padding-top:0;}
.news-list img{width:120px;height:80px;object-fit:cover;border-radius:4px;background:#EDE7DC;}
.news-list h3{font-size:16px;margin-bottom:4px;line-height:1.6;transition:color .18s;}
.news-list a:hover h3,.news-list a:focus-visible h3{color:var(--brand);}
.ndate{font-size:12px;color:var(--ink-2);font-variant-numeric:tabular-nums;}

/* 节奏 */
.cal{
  display:grid;grid-template-columns:repeat(7,1fr);
  background:var(--card);border:1px solid var(--rule);border-radius:var(--radius);
  overflow:hidden;
}
.cal li{padding:16px 10px;border-left:1px solid var(--rule);text-align:center;}
.cal li:first-child{border-left:none;}
.cal b{display:block;font-family:"Noto Serif SC",serif;font-size:15px;margin-bottom:6px;}
.cal span{font-size:12px;color:var(--ink-2);line-height:1.7;display:block;}
.cadence-note{margin-top:16px;font-size:14px;color:var(--ink-2);max-width:720px;}

/* FAQ */
.faq{max-width:720px;}
.faq details{border-bottom:1px solid var(--rule);padding:16px 0;}
.faq details:first-child{padding-top:0;}
.faq summary{
  position:relative;padding-right:30px;font-size:16px;font-weight:600;
  cursor:pointer;list-style:none;
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::after{
  content:"+";position:absolute;right:0;top:-3px;color:var(--brand);
  font-size:20px;font-weight:400;
}
.faq details[open] summary::after{content:"−";}
.faq p{margin-top:12px;font-size:15px;color:var(--ink-2);line-height:1.8;}

/* 收口 */
.cta{background:var(--accent);color:#EDE9E0;padding:64px 0;}
.cta h2{font-size:30px;color:#FFFFFF;margin-bottom:14px;line-height:1.4;}
.cta p{font-size:15px;color:#CBD6D6;max-width:620px;margin-bottom:28px;}
.cta .btn-ghost{border-color:rgba(247,244,238,.7);color:#F7F4EE;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* 页脚 */
.footer{background:#1B1A18;color:#B7B0A4;padding:56px 0 24px;font-size:14px;}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:36px;}
.footer h3{font-family:"Noto Serif SC",serif;font-size:16px;color:#F3EFE7;margin-bottom:14px;}
.footer-brand{font-family:"Noto Serif SC",serif;font-size:22px;color:#F3EFE7;margin-bottom:12px;}
.footer p{line-height:1.8;font-size:13px;color:#A49D91;}
.footer li{margin-bottom:9px;}
.footer a{transition:color .18s;}
.footer a:hover,.footer a:focus-visible{color:#E9A48E;}
.footer-bottom{
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  margin-top:36px;padding-top:18px;font-size:13px;color:#8C857A;
  border-top:1px solid rgba(255,255,255,.12);
}
@media (max-width:1024px){
  .hero h1{font-size:38px;}
  .hero-inner{padding:76px 0 64px;}
  .sec{padding:60px 0;}
  .vgrid{grid-template-columns:repeat(3,1fr);}
  .channels-grid{grid-template-columns:repeat(3,1fr);}
  .metrics{grid-template-columns:repeat(2,1fr);row-gap:28px;}
  .metrics li:nth-child(3){border-left:none;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .sec-title{font-size:26px;}
}
@media (max-width:768px){
  .masthead-main{flex-direction:column;align-items:flex-start;gap:8px;}
  .channels{width:100%;overflow-x:auto;white-space:nowrap;flex-wrap:nowrap;padding-bottom:2px;}
  .channels a{padding:0 12px;}
  .hero h1{font-size:32px;}
  .hero-inner{padding:64px 0 56px;}
  .hero-sub{font-size:16px;}
  .pain-list{grid-template-columns:1fr;}
  .pain-list li{padding:20px 0 0;border-left:none;border-top:1px solid var(--rule);}
  .pain-list li:first-child{padding-top:0;border-top:none;}
  .line-list li{grid-template-columns:40px 1fr;gap:8px 16px;padding:18px 0;}
  .line-list p{grid-column:1 / -1;padding-left:56px;}
  .vgrid{grid-template-columns:repeat(2,1fr);gap:16px;}
  .ngrid{grid-template-columns:repeat(2,1fr);}
  .audience{grid-template-columns:1fr;}
  .rank-grid{grid-template-columns:1fr;gap:0;}
  .topic-grid{grid-template-columns:1fr;}
  .channels-grid{grid-template-columns:repeat(2,1fr);}
  .cal{grid-template-columns:repeat(4,1fr);}
  .cal li:nth-child(5){border-left:none;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .sec{padding:48px 0;}
  .sec-title{font-size:23px;}
  .cta{padding:52px 0;}
  .cta h2{font-size:24px;}
}
@media (max-width:520px){
  .container{padding:0 20px;}
  .brand-name{font-size:25px;}
  .hero h1{font-size:27px;}
  .hero-desc{font-size:14px;}
  .metrics li{padding:0 10px;}
  .metrics b{font-size:30px;}
  .vgrid{grid-template-columns:1fr;}
  .ngrid{grid-template-columns:1fr;}
  .channels-grid{grid-template-columns:1fr;}
  .cal{grid-template-columns:repeat(2,1fr);}
  .cal li:nth-child(odd){border-left:none;}
  .rank-list li{grid-template-columns:36px 1fr auto;gap:10px;}
  .rtag{display:none;}
  .news-list li{grid-template-columns:96px 1fr;gap:12px;}
  .news-list img{width:96px;height:66px;}
  .footer-grid{grid-template-columns:1fr;}
  .sec-title{font-size:21px;}
  .voices p{font-size:15px;}
}