/* roulang page: index */
:root{
  --brand:#5B3DF5;
  --brand-2:#2E8BF0;
  --brand-3:#16C2C7;
  --grad:linear-gradient(135deg,#5B3DF5 0%,#2E8BF0 60%,#16C2C7 100%);
  --grad-soft:linear-gradient(135deg,rgba(91,61,245,.10),rgba(22,194,199,.10));
  --ink:#111528;
  --ink-2:#3C4358;
  --muted:#6B7288;
  --line:#E7EAF4;
  --bg:#F6F7FC;
  --surface:#FFFFFF;
  --dark:#0E1024;
  --r-xs:8px;
  --r-sm:12px;
  --r-md:18px;
  --r-lg:26px;
  --r-xl:34px;
  --sh-1:0 1px 2px rgba(17,21,40,.05),0 2px 8px rgba(17,21,40,.05);
  --sh-2:0 14px 34px rgba(33,37,80,.09);
  --sh-3:0 28px 70px rgba(33,37,80,.16);
  --max:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.72;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
h1,h2,h3,h4,p,ol,ul{margin:0}
ol,ul{padding:0;list-style:none}
::selection{background:rgba(91,61,245,.18)}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:14px;
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 12px 28px rgba(91,61,245,.28)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 38px rgba(91,61,245,.34)}
.btn-primary:active{transform:translateY(0);box-shadow:0 8px 18px rgba(91,61,245,.26)}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line);box-shadow:var(--sh-1)}
.btn-ghost:hover{border-color:rgba(91,61,245,.42);color:var(--brand);transform:translateY(-2px)}
.btn:focus-visible,.nav-link:focus-visible,.cat-card:focus-visible,.nav-cta:focus-visible{
  outline:3px solid rgba(91,61,245,.35);outline-offset:2px;
}
.btn-sm{height:40px;padding:0 18px;border-radius:12px;font-size:14px}

/* ---------- 页头 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.88);
  backdrop-filter:saturate(180%) blur(16px);
  -webkit-backdrop-filter:saturate(180%) blur(16px);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;gap:22px;height:74px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:38px;height:38px;border-radius:13px;background:var(--grad);
  color:#fff;display:grid;place-items:center;font-weight:800;font-size:17px;
  box-shadow:0 8px 20px rgba(91,61,245,.32);
}
.brand-text{font-size:18px;font-weight:800;letter-spacing:.3px;color:var(--ink)}
.nav-links{display:flex;gap:2px;margin-left:8px}
.nav-link{
  padding:9px 15px;border-radius:11px;font-size:14.5px;color:var(--ink-2);
  transition:background .18s,color .18s;
}
.nav-link:hover{background:#F1F2FA;color:var(--ink)}
.nav-link.active{color:var(--brand);background:rgba(91,61,245,.09);font-weight:700}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px}
.cmd-search{
  display:flex;align-items:center;gap:8px;height:42px;padding:0 12px;
  border:1px solid var(--line);border-radius:13px;background:#FAFBFF;
  min-width:252px;transition:border-color .2s,box-shadow .2s,background .2s;
}
.cmd-search:focus-within{border-color:rgba(91,61,245,.5);box-shadow:0 0 0 4px rgba(91,61,245,.12);background:#fff}
.cmd-search svg{flex-shrink:0;stroke:#9AA1B5}
.cmd-search input{border:0;outline:0;background:transparent;font-size:13.8px;width:100%;min-width:0}
.cmd-search input::placeholder{color:#9AA1B5}
.cmd-search kbd{
  font-family:inherit;font-size:11px;color:#9AA1B5;border:1px solid var(--line);
  border-radius:6px;padding:1px 6px;background:#fff;flex-shrink:0;
}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;
  height:42px;padding:0 20px;border-radius:13px;font-size:14.5px;font-weight:700;color:#fff;
  background:var(--grad);box-shadow:0 10px 24px rgba(91,61,245,.26);
  transition:transform .18s,box-shadow .18s;
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 16px 30px rgba(91,61,245,.32)}
.mobile-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  background:#fff;cursor:pointer;padding:0;place-items:center;
}
.mobile-toggle span{display:block;width:17px;height:2px;background:var(--ink);border-radius:2px;margin:3px auto;transition:.2s}
.mobile-drawer{display:none;border-top:1px solid var(--line);background:#fff;padding:10px 24px 20px}
.mobile-drawer a{display:block;padding:12px 4px;font-size:15px;color:var(--ink-2);border-bottom:1px solid #F2F4FA}
.mobile-drawer a:last-child{border-bottom:0}
.mobile-drawer .drawer-cta{
  margin-top:14px;text-align:center;color:#fff;border-radius:13px;background:var(--grad);
  font-weight:700;border-bottom:0;
}

/* ---------- 首屏 ---------- */
.hero{
  position:relative;overflow:hidden;
  background:
    radial-gradient(900px 420px at 88% -6%,rgba(46,139,240,.16),transparent 62%),
    radial-gradient(760px 420px at 6% 4%,rgba(91,61,245,.16),transparent 60%),
    #FFFFFF;
  border-bottom:1px solid var(--line);
}
.hero::after{
  content:"";position:absolute;inset:auto -80px -180px auto;width:420px;height:420px;
  background:radial-gradient(circle,rgba(22,194,199,.16),transparent 68%);
  border-radius:50%;pointer-events:none;
}
.hero-grid{
  display:grid;grid-template-columns:1.07fr .93fr;gap:56px;align-items:center;
  padding:74px 0 72px;position:relative;z-index:2;
}
.hero-badge{
  display:inline-flex;align-items:center;gap:9px;padding:7px 15px;border-radius:100px;
  background:rgba(91,61,245,.09);color:#4B32D8;font-size:13px;font-weight:700;letter-spacing:.4px;
}
.hero-badge i{width:7px;height:7px;border-radius:50%;background:var(--grad);display:block}
.hero-title{
  margin:22px 0 0;font-size:47px;line-height:1.2;letter-spacing:-.6px;font-weight:800;
}
.hero-title em{
  font-style:normal;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{margin-top:18px;font-size:17.5px;color:var(--ink-2);max-width:560px;line-height:1.8}
.hero-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.hero-point{
  display:inline-flex;align-items:center;gap:7px;padding:7px 14px;border-radius:100px;
  background:#fff;border:1px solid var(--line);font-size:13.5px;color:var(--ink-2);box-shadow:var(--sh-1);
}
.hero-point b{color:var(--brand);font-weight:800}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-note{margin-top:16px;font-size:13.5px;color:var(--muted)}

/* 资料卡 */
.paper-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);
  box-shadow:var(--sh-3);padding:20px;position:relative;
}
.paper-cover{
  position:relative;border-radius:var(--r-lg);padding:22px 24px;color:#fff;overflow:hidden;
  background:linear-gradient(135deg,#4B2FE0 0%,#2E8BF0 58%,#16C2C7 100%);
  box-shadow:0 18px 40px rgba(58,58,150,.26);
}
.paper-cover::before{
  content:"";position:absolute;right:-56px;top:-56px;width:190px;height:190px;border-radius:50%;
  background:rgba(255,255,255,.16);
}
.paper-cover::after{
  content:"";position:absolute;right:26px;bottom:-70px;width:150px;height:150px;border-radius:50%;
  background:rgba(255,255,255,.10);
}
.cover-tag{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:1px;
  padding:5px 11px;border-radius:100px;background:rgba(255,255,255,.22);position:relative;z-index:2;
}
.paper-cover strong{
  display:block;margin-top:14px;font-size:25px;line-height:1.32;letter-spacing:.4px;
  position:relative;z-index:2;font-weight:800;
}
.cover-meta{display:block;margin-top:12px;font-size:13px;opacity:.9;position:relative;z-index:2;letter-spacing:.6px}
.paper-toc{margin-top:18px}
.toc-title{font-size:13px;font-weight:800;color:var(--muted);letter-spacing:1.4px}
.paper-toc ol{margin-top:10px;display:grid;gap:2px}
.paper-toc li{
  display:flex;align-items:center;gap:11px;font-size:14.3px;color:var(--ink-2);
  padding:8px 10px;border-radius:11px;transition:background .18s;
}
.paper-toc li:hover{background:#F6F7FD}
.paper-toc li span{
  font-size:12px;font-weight:800;color:var(--brand);background:rgba(91,61,245,.10);
  width:26px;height:26px;border-radius:9px;display:grid;place-items:center;flex-shrink:0;
}
.lead-form{margin-top:18px;border-top:1px dashed var(--line);padding-top:18px}
.lead-row{display:flex;gap:10px}
.lead-row input{
  flex:1;min-width:0;height:48px;border-radius:14px;border:1px solid var(--line);
  padding:0 16px;font-size:14.5px;background:#FAFBFF;outline:0;transition:.2s;
}
.lead-row input::placeholder{color:#9AA1B5}
.lead-row input:focus{border-color:rgba(91,61,245,.5);box-shadow:0 0 0 4px rgba(91,61,245,.12);background:#fff}
.form-note{margin-top:11px;font-size:12.5px;color:var(--muted);line-height:1.6}

/* ---------- 通用板块 ---------- */
.section{padding:76px 0}
.section-tight{padding:52px 0}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:720px;margin-bottom:38px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:800;
  letter-spacing:1.6px;color:var(--brand);text-transform:uppercase;
}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--grad)}
.section-head.center .eyebrow::before{display:none}
.section-title{margin-top:13px;font-size:32px;line-height:1.32;font-weight:800;letter-spacing:-.3px}
.section-desc{margin-top:14px;font-size:15.6px;color:var(--muted);line-height:1.85}

/* ---------- 数据徽章条 ---------- */
.badge-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:16px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px 14px;box-shadow:var(--sh-2);
}
.badge-item{text-align:center;padding:6px 12px;border-right:1px solid var(--line)}
.badge-item:last-child{border-right:0}
.badge-item strong{
  display:block;font-size:31px;font-weight:800;letter-spacing:-.6px;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.badge-item span{display:block;margin-top:5px;font-size:13.5px;color:var(--muted)}

/* ---------- 分类入口 ---------- */
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.cat-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);padding:28px 26px 24px;box-shadow:var(--sh-1);
  transition:transform .22s,box-shadow .22s,border-color .22s;position:relative;overflow:hidden;
}
.cat-card::before{
  content:"";position:absolute;inset:0 0 auto 0;height:4px;background:var(--grad);
  opacity:0;transition:opacity .22s;
}
.cat-card:hover{transform:translateY(-6px);box-shadow:var(--sh-3);border-color:rgba(91,61,245,.28)}
.cat-card:hover::before{opacity:1}
.cat-icon{
  width:46px;height:46px;border-radius:15px;display:grid;place-items:center;
  background:var(--grad-soft);color:var(--brand);font-weight:800;font-size:15px;
  border:1px solid rgba(91,61,245,.14);
}
.cat-card h3{margin-top:18px;font-size:20px;font-weight:800}
.cat-card p{margin-top:10px;font-size:14.6px;color:var(--muted);line-height:1.8;flex:1}
.cat-foot{
  margin-top:20px;padding-top:16px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
  font-size:13.5px;font-weight:700;color:var(--brand);
}
.cat-foot .arrow{transition:transform .22s}
.cat-card:hover .cat-foot .arrow{transform:translateX(5px)}

/* ---------- 精选推荐 ---------- */
.pick-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.pick-card{
  display:flex;gap:20px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);padding:26px;box-shadow:var(--sh-1);
  transition:transform .22s,box-shadow .22s;
}
.pick-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.pick-no{
  flex-shrink:0;width:48px;height:48px;border-radius:16px;display:grid;place-items:center;
  font-weight:800;font-size:16px;color:#fff;background:var(--grad);
  box-shadow:0 10px 22px rgba(91,61,245,.24);
}
.pick-body h3{font-size:18.5px;font-weight:800;line-height:1.45}
.pick-body p{margin-top:9px;font-size:14.5px;color:var(--muted);line-height:1.78}
.pick-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.tag{
  font-size:12.5px;padding:4px 11px;border-radius:100px;background:#F3F4FB;
  color:var(--ink-2);font-weight:600;
}
.tag-brand{background:rgba(91,61,245,.10);color:var(--brand)}

/* ---------- 痛点与解决 ---------- */
.pain-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.pain-col{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:28px;box-shadow:var(--sh-1)}
.pain-col h3{font-size:19px;font-weight:800;display:flex;align-items:center;gap:10px}
.dot-mark{width:10px;height:10px;border-radius:50%;background:#C9CDDD;flex-shrink:0}
.dot-mark.ok{background:var(--grad)}
.pain-col ul{margin-top:20px;display:grid;gap:14px}
.pain-col li{display:flex;gap:13px;font-size:14.6px;color:var(--ink-2);line-height:1.75}
.pain-col li b{display:block;color:var(--ink);font-weight:700}
.pain-col li em{font-style:normal;color:var(--muted);font-size:14px}
.pain-col.highlight{background:linear-gradient(160deg,#FFFFFF 0%,#F7F6FF 100%);border-color:rgba(91,61,245,.24)}

/* ---------- 方法步骤 ---------- */
.step-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:step}
.step-card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px 24px;box-shadow:var(--sh-1);overflow:hidden;
  transition:transform .22s,box-shadow .22s;
}
.step-card:hover{transform:translateY(-5px);box-shadow:var(--sh-2)}
.step-card::after{
  content:attr(data-step);position:absolute;right:14px;top:6px;font-size:56px;
  font-weight:800;color:rgba(91,61,245,.07);line-height:1;letter-spacing:-3px;
}
.step-card h3{margin-top:16px;font-size:17.5px;font-weight:800;position:relative;z-index:2}
.step-card p{margin-top:9px;font-size:14.3px;color:var(--muted);line-height:1.78;position:relative;z-index:2}
.step-badge{
  display:inline-block;font-size:12px;font-weight:800;letter-spacing:1px;color:var(--brand);
  background:rgba(91,61,245,.10);padding:5px 11px;border-radius:100px;
}

/* ---------- 资讯 ---------- */
.news-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-1);overflow:hidden}
.news-item{
  display:flex;align-items:center;gap:20px;padding:20px 28px;border-bottom:1px solid #F2F4FA;
  transition:background .18s;
}
.news-item:last-child{border-bottom:0}
.news-item:hover{background:#FAFBFF}
.news-cat{
  flex-shrink:0;font-size:12.5px;font-weight:700;color:var(--brand);
  background:rgba(91,61,245,.10);padding:5px 12px;border-radius:100px;min-width:66px;text-align:center;
}
.news-title{flex:1;font-size:15.6px;font-weight:600;color:var(--ink)}
.news-time{flex-shrink:0;font-size:13px;color:var(--muted)}

/* ---------- 排行榜 ---------- */
.rank-wrap{display:grid;grid-template-columns:1.35fr 1fr;gap:22px}
.rank-list{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:12px 24px 16px;box-shadow:var(--sh-1)}
.rank-item{
  display:flex;align-items:center;gap:18px;padding:17px 6px;border-bottom:1px solid #F2F4FA;
  transition:background .18s,transform .18s;
}
.rank-item:last-child{border-bottom:0}
.rank-item:hover{background:#FAFBFF;transform:translateX(3px)}
.rank-no{
  flex-shrink:0;width:32px;height:32px;border-radius:11px;display:grid;place-items:center;
  font-weight:800;font-size:14px;background:#F3F4FB;color:var(--ink-2);
}
.rank-item:nth-child(1) .rank-no{background:var(--grad);color:#fff}
.rank-item:nth-child(2) .rank-no{background:rgba(91,61,245,.16);color:var(--brand)}
.rank-item:nth-child(3) .rank-no{background:rgba(22,194,199,.16);color:#0E8F93}
.rank-main{flex:1;min-width:0}
.rank-main b{display:block;font-size:15.4px;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rank-main span{font-size:13px;color:var(--muted)}
.rank-heat{flex-shrink:0;font-size:14.5px;font-weight:800;color:var(--brand)}
.rank-side{
  background:linear-gradient(160deg,#171A38 0%,#242A5C 60%,#1B4A80 100%);
  border-radius:var(--r-lg);padding:30px 28px;color:#fff;box-shadow:var(--sh-2);
}
.rank-side h3{font-size:19px;font-weight:800}
.rank-side p{margin-top:12px;font-size:14.4px;line-height:1.85;color:rgba(255,255,255,.76)}
.rank-bars{margin-top:24px;display:grid;gap:15px}
.rank-bar span{display:flex;justify-content:space-between;font-size:13.2px;color:rgba(255,255,255,.82);margin-bottom:7px}
.rank-bar i{display:block;height:7px;border-radius:100px;background:rgba(255,255,255,.16);overflow:hidden}
.rank-bar i b{display:block;height:100%;border-radius:100px;background:linear-gradient(90deg,#6C4CF1,#2E8BF0,#16C2C7)}

/* ---------- 数据指标 ---------- */
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.metric-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:26px 24px;
  box-shadow:var(--sh-1);transition:transform .22s,box-shadow .22s;
}
.metric-card:hover{transform:translateY(-5px);box-shadow:var(--sh-2)}
.metric-card strong{
  display:block;font-size:36px;font-weight:800;letter-spacing:-1px;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.metric-card b{display:block;margin-top:8px;font-size:15.4px;font-weight:700}
.metric-card p{margin-top:8px;font-size:13.8px;color:var(--muted);line-height:1.72}

/* ---------- 案例 ---------- */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.case-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--sh-1);transition:transform .22s,box-shadow .22s;
}
.case-card:hover{transform:translateY(-5px);box-shadow:var(--sh-2)}
.case-top{height:96px;background:var(--grad);position:relative;display:flex;align-items:flex-end;padding:16px 22px}
.case-top::before{
  content:"";position:absolute;right:-30px;top:-50px;width:150px;height:150px;border-radius:50%;
  background:rgba(255,255,255,.16);
}
.case-top b{position:relative;z-index:2;color:#fff;font-size:16px;font-weight:800;letter-spacing:.4px}
.case-body{padding:22px}
.case-body p{font-size:14.4px;color:var(--muted);line-height:1.78}
.case-stats{display:flex;gap:24px;margin-top:18px;padding-top:16px;border-top:1px solid var(--line)}
.case-stats div strong{display:block;font-size:20px;font-weight:800;color:var(--ink)}
.case-stats div span{font-size:12.8px;color:var(--muted)}

/* ---------- 用户评价 ---------- */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.review-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:28px;
  box-shadow:var(--sh-1);display:flex;flex-direction:column;
  transition:transform .22s,box-shadow .22s;
}
.review-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.review-quote{font-size:14.8px;color:var(--ink-2);line-height:1.86;flex:1}
.review-user{display:flex;align-items:center;gap:12px;margin-top:22px;padding-top:18px;border-top:1px solid var(--line)}
.avatar{
  width:42px;height:42px;border-radius:14px;display:grid;place-items:center;
  font-weight:800;font-size:15px;color:#fff;background:var(--grad);flex-shrink:0;
}
.review-user b{display:block;font-size:14.4px;font-weight:700}
.review-user span{font-size:12.8px;color:var(--muted)}
.stars{margin-top:12px;color:#F5A623;font-size:13.5px;letter-spacing:2px}

/* ---------- 适用人群 ---------- */
.aud-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.aud-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:26px 22px;
  box-shadow:var(--sh-1);text-align:left;transition:transform .22s,border-color .22s,box-shadow .22s;
}
.aud-card:hover{transform:translateY(-5px);border-color:rgba(91,61,245,.3);box-shadow:var(--sh-2)}
.aud-card b{display:block;font-size:16.6px;font-weight:800}
.aud-card p{margin-top:10px;font-size:14px;color:var(--muted);line-height:1.76}
.aud-num{
  display:inline-grid;place-items:center;width:34px;height:34px;border-radius:11px;
  background:var(--grad-soft);color:var(--brand);font-weight:800;font-size:13px;
  border:1px solid rgba(91,61,245,.16);margin-bottom:14px;
}

/* ---------- 合作伙伴 ---------- */
.partner-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:16px}
.partner-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  height:82px;display:grid;place-items:center;font-size:14.4px;font-weight:700;color:var(--ink-2);
  transition:transform .22s,box-shadow .22s,color .22s,border-color .22s;text-align:center;padding:0 10px;
}
.partner-item:hover{transform:translateY(-4px);box-shadow:var(--sh-2);color:var(--brand);border-color:rgba(91,61,245,.28)}

/* ---------- 保障条 ---------- */
.shield-row{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.shield-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:24px 22px;
  box-shadow:var(--sh-1);display:flex;gap:15px;transition:transform .22s,box-shadow .22s;
}
.shield-item:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.shield-icon{
  flex-shrink:0;width:42px;height:42px;border-radius:14px;display:grid;place-items:center;
  background:var(--grad-soft);border:1px solid rgba(91,61,245,.16);color:var(--brand);
}
.shield-item b{display:block;font-size:15.4px;font-weight:800}
.shield-item p{margin-top:7px;font-size:13.6px;color:var(--muted);line-height:1.72}

/* ---------- 收口 CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-xl);
  background:linear-gradient(125deg,#3B27C8 0%,#2E8BF0 62%,#16C2C7 100%);
  padding:54px 52px;color:#fff;box-shadow:0 30px 70px rgba(52,46,150,.28);
  display:grid;grid-template-columns:1.4fr .9fr;gap:36px;align-items:center;
}
.cta-band::before{
  content:"";position:absolute;right:-90px;top:-110px;width:340px;height:340px;border-radius:50%;
  background:rgba(255,255,255,.14);
}
.cta-band::after{
  content:"";position:absolute;left:-60px;bottom:-150px;width:260px;height:260px;border-radius:50%;
  background:rgba(255,255,255,.10);
}
.cta-band h2{font-size:31px;font-weight:800;line-height:1.35;position:relative;z-index:2;letter-spacing:-.3px}
.cta-band p{margin-top:14px;font-size:15.4px;color:rgba(255,255,255,.86);line-height:1.85;position:relative;z-index:2;max-width:600px}
.cta-side{position:relative;z-index:2;display:flex;flex-direction:column;gap:14px;align-items:flex-start}
.cta-facts{display:flex;flex-wrap:wrap;gap:10px}
.cta-facts span{
  font-size:13px;padding:6px 13px;border-radius:100px;background:rgba(255,255,255,.2);
  font-weight:600;
}
.cta-band .btn-primary{background:#fff;color:#3B27C8;box-shadow:0 14px 30px rgba(15,18,50,.22)}
.cta-band .btn-primary:hover{box-shadow:0 20px 40px rgba(15,18,50,.28)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);margin-top:0;padding:66px 0 30px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px}
.footer-brand .brand-mark{box-shadow:none}
.footer-brand strong{color:#fff;font-size:18px;font-weight:800}
.footer-desc{margin-top:18px;font-size:14.2px;line-height:1.85;color:rgba(255,255,255,.6);max-width:330px}
.footer-col h4{color:#fff;font-size:15px;font-weight:800;margin-bottom:16px}
.footer-col a{display:block;font-size:14.2px;color:rgba(255,255,255,.62);padding:6px 0;transition:color .18s,transform .18s}
.footer-col a:hover{color:#fff;transform:translateX(4px)}
.footer-bottom{
  margin-top:52px;padding-top:24px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  font-size:13.2px;color:rgba(255,255,255,.5);
}
.footer-bottom a{color:rgba(255,255,255,.62)}
.footer-bottom a:hover{color:#fff}

/* ---------- 响应式 ---------- */
@media (max-width:1080px){
  .nav-links{display:none}
  .cmd-search{min-width:200px}
  .hero-grid{grid-template-columns:1fr;gap:44px;padding:58px 0 62px}
  .hero-title{font-size:40px}
  .hero-sub{max-width:none}
  .badge-strip{grid-template-columns:repeat(2,1fr);gap:8px}
  .badge-item{border-right:0;border-bottom:1px solid var(--line);padding:14px 10px}
  .badge-item:nth-last-child(-n+2){border-bottom:0}
  .cat-grid,.case-grid,.review-grid{grid-template-columns:repeat(2,1fr)}
  .step-grid,.metric-grid,.aud-grid,.shield-row{grid-template-columns:repeat(2,1fr)}
  .partner-grid{grid-template-columns:repeat(3,1fr)}
  .rank-wrap{grid-template-columns:1fr}
  .cta-band{grid-template-columns:1fr;padding:44px 34px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
}
@media (max-width:768px){
  .container{padding:0 18px}
  .site-header .cmd-search{display:none}
  .mobile-toggle{display:grid}
  .nav-cta{display:none}
  .nav-inner{height:66px;gap:12px}
  .mobile-drawer.open{display:block}
  .section{padding:56px 0}
  .section-title{font-size:26px}
  .section-desc{font-size:15px}
  .hero-title{font-size:33px}
  .hero-sub{font-size:16px}
  .hero-actions .btn{flex:1;min-width:150px}
  .pick-grid,.pain-grid{grid-template-columns:1fr}
  .pick-card{padding:22px}
  .cat-grid,.case-grid,.review-grid,.step-grid,.metric-grid,.aud-grid,.shield-row{grid-template-columns:1fr}
  .partner-grid{grid-template-columns:repeat(2,1fr)}
  .paper-card{padding:16px}
  .paper-cover strong{font-size:22px}
  .lead-row{flex-direction:column}
  .lead-row .btn{width:100%}
  .news-item{flex-wrap:wrap;gap:10px;padding:18px 20px}
  .news-title{width:100%;order:3;font-size:15px}
  .news-time{margin-left:auto}
  .rank-list{padding:8px 18px 12px}
  .cta-band{padding:34px 24px;border-radius:var(--r-lg)}
  .cta-band h2{font-size:24px}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .hero-title{font-size:29px;letter-spacing:-.2px}
  .hero-points{gap:8px}
  .hero-point{font-size:12.8px;padding:6px 11px}
  .badge-strip{padding:18px 8px}
  .badge-item strong{font-size:25px}
  .section-title{font-size:23px}
  .metric-card strong{font-size:30px}
  .case-stats{gap:16px}
  .partner-grid{grid-template-columns:1fr}
}

/* roulang page: category2 */
/* ============ 设计系统：变量 ============ */
:root{
 --brand:#5B3DF5;
 --brand-2:#2E8BF0;
 --brand-3:#16C2C7;
 --grad:linear-gradient(135deg,#5B3DF5 0%,#2E8BF0 60%,#16C2C7 100%);
 --grad-soft:linear-gradient(135deg,rgba(91,61,245,.10),rgba(22,194,199,.10));
 --ink:#111528;
 --ink-2:#3C4358;
 --muted:#6B7288;
 --line:#E7EAF4;
 --bg:#F6F7FC;
 --surface:#FFFFFF;
 --dark:#0E1024;
 --r-xs:8px;
 --r-sm:12px;
 --r-md:18px;
 --r-lg:26px;
 --r-xl:34px;
 --sh-1:0 1px 2px rgba(17,21,40,.05),0 2px 8px rgba(17,21,40,.05);
 --sh-2:0 14px 34px rgba(33,37,80,.09);
 --sh-3:0 28px 70px rgba(33,37,80,.16);
 --max:1200px;
}
/* ============ 基础 reset ============ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
 font-size:16px;line-height:1.72;color:var(--ink);background:var(--bg);
 -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,figure{margin:0}
ul{margin:0;padding:0;list-style:none}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px}
::selection{background:rgba(91,61,245,.16)}
/* ============ 按钮 ============ */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 height:48px;padding:0 24px;border-radius:14px;
 font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
 transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
 white-space:nowrap;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 12px 28px rgba(91,61,245,.28)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 38px rgba(91,61,245,.34)}
.btn-primary:active{transform:translateY(0);box-shadow:0 8px 18px rgba(91,61,245,.26)}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line);box-shadow:var(--sh-1)}
.btn-ghost:hover{border-color:rgba(91,61,245,.42);color:var(--brand);transform:translateY(-2px)}
.btn:focus-visible,.nav-link:focus-visible,.nav-cta:focus-visible,.mobile-toggle:focus-visible,.room-row:focus-visible{
 outline:3px solid rgba(91,61,245,.35);outline-offset:2px;
}
.btn-sm{height:40px;padding:0 18px;border-radius:12px;font-size:14px}
/* ============ 页头 ============ */
.site-header{
 position:sticky;top:0;z-index:80;
 background:rgba(255,255,255,.88);
 backdrop-filter:saturate(180%) blur(16px);
 -webkit-backdrop-filter:saturate(180%) blur(16px);
 border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;gap:22px;height:74px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
 width:38px;height:38px;border-radius:13px;background:var(--grad);
 color:#fff;display:grid;place-items:center;font-weight:800;font-size:17px;
 box-shadow:0 8px 20px rgba(91,61,245,.32);
}
.brand-text{font-size:18px;font-weight:800;letter-spacing:.3px;color:var(--ink)}
.nav-links{display:flex;gap:2px;margin-left:8px}
.nav-link{padding:9px 15px;border-radius:11px;font-size:14.5px;color:var(--ink-2);transition:background .18s,color .18s}
.nav-link:hover{background:#F1F2FA;color:var(--ink)}
.nav-link.active{color:var(--brand);background:rgba(91,61,245,.09);font-weight:700}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px}
.cmd-search{
 display:flex;align-items:center;gap:8px;height:42px;padding:0 12px;
 border:1px solid var(--line);border-radius:13px;background:#FAFBFF;
 min-width:252px;transition:border-color .2s,box-shadow .2s,background .2s;
}
.cmd-search:focus-within{border-color:rgba(91,61,245,.5);box-shadow:0 0 0 4px rgba(91,61,245,.12);background:#fff}
.cmd-search svg{flex-shrink:0;stroke:#9AA1B5}
.cmd-search input{border:0;outline:0;background:transparent;font-size:13.8px;width:100%;min-width:0}
.cmd-search input::placeholder{color:#9AA1B5}
.cmd-search kbd{
 font-family:inherit;font-size:11px;color:#9AA1B5;border:1px solid var(--line);
 border-radius:6px;padding:1px 6px;background:#fff;flex-shrink:0;
}
.nav-cta{
 display:inline-flex;align-items:center;justify-content:center;
 height:42px;padding:0 20px;border-radius:13px;font-size:14.5px;font-weight:700;color:#fff;
 background:var(--grad);box-shadow:0 10px 24px rgba(91,61,245,.26);
 transition:transform .18s,box-shadow .18s;
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 16px 30px rgba(91,61,245,.32)}
.mobile-toggle{
 display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
 background:#fff;cursor:pointer;padding:0;place-items:center;
}
.mobile-toggle span{display:block;width:17px;height:2px;background:var(--ink);border-radius:2px;margin:3px auto;transition:.2s}
.mobile-drawer{display:none;border-top:1px solid var(--line);background:#fff;padding:10px 24px 20px}
.mobile-drawer.open{display:block}
.mobile-drawer a{display:block;padding:12px 4px;font-size:15px;color:var(--ink-2);border-bottom:1px solid #F2F4FA}
.mobile-drawer a:last-child{border-bottom:0}
.mobile-drawer .drawer-cta{
 margin-top:14px;text-align:center;color:#fff;border-radius:13px;background:var(--grad);
 font-weight:700;border-bottom:0;
}
/* ============ 内页首屏 ============ */
.cat-hero{
 position:relative;overflow:hidden;
 background:
 radial-gradient(880px 400px at 91% -10%,rgba(46,139,240,.17),transparent 62%),
 radial-gradient(720px 400px at 4% 6%,rgba(91,61,245,.17),transparent 60%),
 #FFFFFF;
 border-bottom:1px solid var(--line);
}
.cat-hero::after{
 content:"";position:absolute;right:-120px;bottom:-190px;width:420px;height:420px;
 background:radial-gradient(circle,rgba(22,194,199,.18),transparent 68%);
 border-radius:50%;pointer-events:none;
}
.crumb{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--muted);padding:26px 0 0}
.crumb a:hover{color:var(--brand)}
.crumb i{font-style:normal;opacity:.6}
.cat-hero-grid{
 position:relative;z-index:2;
 display:grid;grid-template-columns:1.05fr .95fr;gap:54px;align-items:center;
 padding:34px 0 66px;
}
.hero-badge{
 display:inline-flex;align-items:center;gap:9px;padding:7px 15px;border-radius:100px;
 background:rgba(91,61,245,.09);color:#4B32D8;font-size:13px;font-weight:700;letter-spacing:.4px;
}
.hero-badge i{width:7px;height:7px;border-radius:50%;background:var(--grad);display:block}
.cat-hero h1{
 margin:20px 0 0;font-size:44px;line-height:1.2;letter-spacing:-.6px;font-weight:800;
}
.cat-hero h1 em{
 font-style:normal;background:var(--grad);
 -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{margin-top:16px;font-size:17px;color:var(--ink-2);max-width:560px;line-height:1.82}
.hero-pain{
 margin-top:20px;padding:14px 18px;border-radius:var(--r-md);
 background:var(--grad-soft);border:1px solid rgba(91,61,245,.16);
 font-size:14.6px;color:#3A3663;max-width:560px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:24px}
.tag{
 display:inline-flex;align-items:center;gap:6px;padding:6px 13px;border-radius:100px;
 background:#fff;border:1px solid var(--line);font-size:13px;color:var(--ink-2);box-shadow:var(--sh-1);
}
.tag b{color:var(--brand);font-weight:700}
/* 首屏右侧：频道实时面板 */
.panel{
 position:relative;border-radius:var(--r-xl);padding:22px;
 background:linear-gradient(160deg,rgba(91,61,245,.10),rgba(22,194,199,.10));
 border:1px solid rgba(91,61,245,.16);
 box-shadow:var(--sh-2);
}
.panel-card{
 background:#fff;border-radius:var(--r-lg);padding:22px;box-shadow:var(--sh-2);
}
.panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.panel-head strong{font-size:15.5px;font-weight:800}
.live-dot{
 display:inline-flex;align-items:center;gap:7px;font-size:12.5px;font-weight:700;color:#0F9E86;
 background:rgba(22,194,199,.12);padding:5px 11px;border-radius:100px;
}
.live-dot i{width:7px;height:7px;border-radius:50%;background:#14BFA0;display:block;animation:pulse 1.7s infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.45;transform:scale(1.25)}}
.panel-rows{margin-top:16px;display:grid;gap:11px}
.panel-row{
 display:flex;align-items:center;justify-content:space-between;gap:12px;
 padding:12px 14px;border-radius:var(--r-sm);background:#FAFBFF;border:1px solid #EFF1FA;
 font-size:14px;color:var(--ink-2);transition:border-color .2s,background .2s;
}
.panel-row:hover{border-color:rgba(91,61,245,.34);background:#fff}
.panel-row b{font-size:15px;color:var(--ink);font-weight:800}
.panel-bar{margin-top:16px}
.panel-bar .bar-label{display:flex;justify-content:space-between;font-size:12.5px;color:var(--muted);margin-bottom:7px}
.bar{height:8px;border-radius:100px;background:#EDEFF8;overflow:hidden}
.bar i{display:block;height:100%;border-radius:100px;background:var(--grad)}
.panel-foot{
 margin-top:18px;display:flex;align-items:center;gap:10px;flex-wrap:wrap;
 font-size:12.8px;color:var(--muted);
}
.panel-foot .dot{width:4px;height:4px;border-radius:50%;background:#C8CDDE;display:block}
/* ============ 数据条 ============ */
.stat-strip{padding:0 0 6px;margin-top:-34px;position:relative;z-index:5}
.stat-grid{
 display:grid;grid-template-columns:repeat(4,1fr);gap:0;
 background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
 box-shadow:var(--sh-2);overflow:hidden;
}
.stat-item{padding:24px 22px;border-right:1px solid #F0F2FA}
.stat-item:last-child{border-right:0}
.stat-item strong{
 display:block;font-size:27px;font-weight:800;letter-spacing:-.4px;
 background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat-item span{display:block;margin-top:4px;font-size:13.4px;color:var(--muted)}
/* ============ 板块骨架 ============ */
.section{padding:74px 0}
.section.tight{padding:56px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;flex-wrap:wrap;margin-bottom:34px}
.eyebrow{
 display:inline-flex;align-items:center;gap:8px;font-size:12.6px;font-weight:800;
 letter-spacing:1.4px;color:var(--brand);text-transform:uppercase;
}
.eyebrow::before{content:"";width:20px;height:2px;border-radius:2px;background:var(--grad)}
.section-title{margin-top:12px;font-size:31px;line-height:1.32;letter-spacing:-.4px;font-weight:800}
.section-desc{margin-top:12px;font-size:15.6px;color:var(--muted);max-width:660px;line-height:1.8}
.section-aside{
 font-size:13.6px;color:var(--ink-2);background:#fff;border:1px solid var(--line);
 border-radius:100px;padding:9px 18px;box-shadow:var(--sh-1);white-space:nowrap;
}
/* ============ 玩法卡片 ============ */
.play-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.play-card{
 position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
 padding:26px 24px 24px;box-shadow:var(--sh-1);
 transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
 overflow:hidden;
}
.play-card::before{
 content:"";position:absolute;inset:0 0 auto;height:3px;background:var(--grad);
 opacity:0;transition:opacity .22s ease;
}
.play-card:hover{transform:translateY(-5px);box-shadow:var(--sh-2);border-color:rgba(91,61,245,.28)}
.play-card:hover::before{opacity:1}
.num-badge{
 display:inline-grid;place-items:center;width:42px;height:42px;border-radius:14px;
 background:var(--grad-soft);color:var(--brand);font-weight:800;font-size:14px;letter-spacing:.5px;
 border:1px solid rgba(91,61,245,.18);
}
.play-card h3{margin-top:16px;font-size:18.5px;font-weight:800;letter-spacing:-.2px}
.play-card p{margin-top:10px;font-size:14.6px;color:var(--muted);line-height:1.8}
.play-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;padding-top:16px;border-top:1px dashed #E9ECF7}
.chip{
 font-size:12.4px;color:var(--ink-2);background:#F5F6FD;border:1px solid #EDEFF9;
 border-radius:100px;padding:4px 11px;
}
/* ============ 房间列表 ============ */
.room-wrap{
 background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
 box-shadow:var(--sh-1);overflow:hidden;
}
.room-list li+li{border-top:1px solid #F2F4FA}
.room-row{
 display:grid;grid-template-columns:56px 1.5fr 1fr 120px 96px;
 align-items:center;gap:16px;padding:18px 24px;
 transition:background .2s ease,padding-left .2s ease;
}
.room-row:hover{background:#FAFBFF;padding-left:28px}
.room-rank{
 width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
 font-weight:800;font-size:14px;color:var(--brand);background:var(--grad-soft);
 border:1px solid rgba(91,61,245,.16);
}
.room-name{font-size:15.6px;font-weight:700}
.room-name small{display:block;margin-top:3px;font-size:12.8px;color:var(--muted);font-weight:400}
.room-topic{font-size:13.6px;color:var(--ink-2)}
.room-people{font-size:13.6px;color:var(--muted)}
.room-people b{color:var(--ink);font-size:14.6px}
.heat{display:flex;align-items:center;gap:8px}
.heat .bar{width:60px}
.heat span{font-size:12.8px;color:var(--muted)}
/* ============ 步骤 ============ */
.step-section{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.step-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:6px}
.step-card{
 position:relative;padding:24px 20px;border-radius:var(--r-md);
 background:#FAFBFF;border:1px solid #EEF0FA;
 transition:background .2s,border-color .2s,transform .2s;
}
.step-card:hover{background:#fff;border-color:rgba(91,61,245,.3);transform:translateY(-4px);box-shadow:var(--sh-2)}
.step-no{
 width:32px;height:32px;border-radius:10px;display:grid;place-items:center;
 background:var(--grad);color:#fff;font-weight:800;font-size:13.5px;
 box-shadow:0 8px 18px rgba(91,61,245,.24);
}
.step-card h3{margin-top:14px;font-size:16.6px;font-weight:800}
.step-card p{margin-top:8px;font-size:14px;color:var(--muted);line-height:1.78}
/* ============ 主持阵容 ============ */
.host-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.host-card{
 background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
 padding:22px;text-align:left;box-shadow:var(--sh-1);
 transition:transform .2s,box-shadow .2s,border-color .2s;
}
.host-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(91,61,245,.26)}
.host-avatar{
 width:54px;height:54px;border-radius:18px;display:grid;place-items:center;
 color:#fff;font-weight:800;font-size:18px;background:var(--grad);
 box-shadow:0 10px 22px rgba(91,61,245,.24);
}
.host-card h3{margin-top:14px;font-size:16.6px;font-weight:800}
.host-role{margin-top:4px;font-size:13px;color:var(--brand);font-weight:700}
.host-card p{margin-top:10px;font-size:13.8px;color:var(--muted);line-height:1.76}
.host-tags{display:flex;flex-wrap:wrap;gap:7px;margin-top:14px}
/* ============ 评价 ============ */
.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.quote-card{
 background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
 padding:24px;box-shadow:var(--sh-1);display:flex;flex-direction:column;gap:14px;
 transition:box-shadow .2s,transform .2s;
}
.quote-card:hover{box-shadow:var(--sh-2);transform:translateY(-4px)}
.quote-card .mark{font-size:34px;line-height:1;color:rgba(91,61,245,.24);font-weight:800}
.quote-card p{font-size:14.8px;color:var(--ink-2);line-height:1.8}
.quote-user{display:flex;align-items:center;gap:10px;margin-top:auto;padding-top:16px;border-top:1px dashed #E9ECF7}
.quote-user .ava{
 width:34px;height:34px;border-radius:11px;display:grid;place-items:center;
 font-size:13px;font-weight:800;color:var(--brand);background:var(--grad-soft);
 border:1px solid rgba(91,61,245,.16);
}
.quote-user b{font-size:14px;display:block}
.quote-user small{font-size:12.4px;color:var(--muted)}
/* ============ 深色数据区 ============ */
.dark-band{
 background:
 radial-gradient(700px 340px at 88% 0%,rgba(46,139,240,.28),transparent 62%),
 radial-gradient(620px 320px at 4% 100%,rgba(22,194,199,.22),transparent 60%),
 var(--dark);
 color:#fff;padding:70px 0;
}
.dark-band .eyebrow{color:#A9B6FF}
.dark-band .section-title{color:#fff}
.dark-band .section-desc{color:rgba(255,255,255,.68)}
.dark-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:34px}
.dark-card{
 border-radius:var(--r-lg);padding:24px;
 background:rgba(255,255,255,.06);
 border:1px solid rgba(255,255,255,.12);
 transition:background .2s,border-color .2s,transform .2s;
}
.dark-card:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.24);transform:translateY(-4px)}
.dark-card strong{display:block;font-size:30px;font-weight:800;letter-spacing:-.5px;
 background:linear-gradient(135deg,#8FA8FF,#5BE3E0);-webkit-background-clip:text;background-clip:text;color:transparent}
.dark-card span{display:block;margin-top:6px;font-size:13.6px;color:rgba(255,255,255,.66)}
/* ============ FAQ ============ */
.faq-list{display:grid;gap:12px;max-width:900px}
.faq-item{
 background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
 padding:4px 22px;box-shadow:var(--sh-1);transition:border-color .2s,box-shadow .2s;
}
.faq-item[open]{border-color:rgba(91,61,245,.3);box-shadow:var(--sh-2)}
.faq-item summary{
 list-style:none;cursor:pointer;padding:18px 0;font-size:16px;font-weight:700;
 display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
 content:"+";font-size:20px;font-weight:700;color:var(--brand);flex-shrink:0;
 width:26px;height:26px;border-radius:9px;display:grid;place-items:center;
 background:var(--grad-soft);transition:transform .2s;
}
.faq-item[open] summary::after{content:"–"}
.faq-item p{padding:0 0 20px;font-size:14.8px;color:var(--muted);line-height:1.82;max-width:760px}
/* ============ 收口 CTA ============ */
.cta-wrap{padding:10px 0 84px}
.cta-band{
 position:relative;overflow:hidden;border-radius:var(--r-xl);
 padding:52px 48px;color:#fff;
 background:
 radial-gradient(620px 300px at 92% 10%,rgba(22,194,199,.42),transparent 60%),
 var(--grad);
 box-shadow:var(--sh-3);
 display:grid;grid-template-columns:1.35fr .65fr;gap:36px;align-items:center;
}
.cta-band h2{font-size:30px;line-height:1.32;font-weight:800;letter-spacing:-.4px}
.cta-band p{margin-top:14px;font-size:15.4px;color:rgba(255,255,255,.86);max-width:620px;line-height:1.82}
.cta-actions{display:flex;flex-direction:column;gap:12px}
.cta-band .btn-ghost{background:rgba(255,255,255,.94);border-color:transparent;color:#3A2EC4;font-weight:700}
.cta-band .btn-ghost:hover{background:#fff;color:var(--brand);transform:translateY(-2px)}
.cta-note{font-size:12.8px;color:rgba(255,255,255,.78);text-align:center}
/* ============ 页脚 ============ */
.site-footer{background:#0B0D1C;color:rgba(255,255,255,.72);padding:58px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-mark{width:34px;height:34px;border-radius:11px;font-size:15px}
.footer-brand strong{color:#fff;font-size:17px;letter-spacing:.3px}
.footer-desc{font-size:13.8px;line-height:1.82;max-width:340px}
.footer-col h4{color:#fff;font-size:14.6px;font-weight:700;margin-bottom:14px}
.footer-col a{display:block;font-size:13.6px;padding:5px 0;color:rgba(255,255,255,.66);transition:color .18s,transform .18s}
.footer-col a:hover{color:#fff;transform:translateX(3px)}
.footer-bottom{
 margin-top:38px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
 display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
 font-size:12.8px;color:rgba(255,255,255,.5);
}
/* ============ 响应式 ============ */
@media (max-width:1080px){
 .nav-links{display:none}
 .cmd-search{min-width:200px}
 .cat-hero-grid{grid-template-columns:1fr;gap:38px;padding-bottom:56px}
 .play-grid,.host-grid,.dark-grid{grid-template-columns:repeat(2,1fr)}
 .quote-grid{grid-template-columns:repeat(2,1fr)}
 .stat-grid{grid-template-columns:repeat(2,1fr)}
 .stat-item:nth-child(2){border-right:0}
 .stat-item:nth-child(1),.stat-item:nth-child(2){border-bottom:1px solid #F0F2FA}
 .step-grid{grid-template-columns:repeat(2,1fr)}
 .room-row{grid-template-columns:48px 1.4fr 1fr 108px}
 .room-row .heat{display:none}
 .cta-band{grid-template-columns:1fr;padding:42px 34px}
 .cta-actions{flex-direction:row;flex-wrap:wrap}
 .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px}
}
@media (max-width:900px){
 .cmd-search{display:none}
 .mobile-toggle{display:grid}
 .nav-right{gap:10px}
}
@media (max-width:768px){
 .container{padding:0 18px}
 .nav-inner{height:66px;gap:14px}
 .brand-text{font-size:16.5px}
 .nav-cta{display:none}
 .cat-hero h1{font-size:34px}
 .hero-lead{font-size:16px}
 .section{padding:56px 0}
 .section-title{font-size:25px}
 .play-grid,.host-grid,.dark-grid,.quote-grid,.step-grid{grid-template-columns:1fr}
 .stat-grid{grid-template-columns:1fr 1fr}
 .room-row{grid-template-columns:44px 1fr;gap:12px;padding:16px 18px}
 .room-row .room-topic,.room-row .room-people{display:none}
 .dark-card strong{font-size:26px}
 .cta-band{padding:34px 24px;border-radius:var(--r-lg)}
 .cta-band h2{font-size:24px}
 .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:520px){
 .cat-hero h1{font-size:29px;letter-spacing:-.2px}
 .stat-grid{grid-template-columns:1fr}
 .stat-item{border-right:0;border-bottom:1px solid #F0F2FA}
 .stat-item:last-child{border-bottom:0}
 .section-aside{white-space:normal}
 .footer-grid{grid-template-columns:1fr}
 .footer-bottom{flex-direction:column;align-items:flex-start;gap:6px}
 .btn{width:100%}
 .hero-actions .btn{width:auto}
}

/* roulang page: category1 */
/* ============ 设计变量（与首页保持一致） ============ */
:root{
  --brand:#5B3DF5;
  --brand-2:#2E8BF0;
  --brand-3:#16C2C7;
  --grad:linear-gradient(135deg,#5B3DF5 0%,#2E8BF0 60%,#16C2C7 100%);
  --grad-soft:linear-gradient(135deg,rgba(91,61,245,.10),rgba(22,194,199,.10));
  --ink:#111528;
  --ink-2:#3C4358;
  --muted:#6B7288;
  --line:#E7EAF4;
  --bg:#F6F7FC;
  --surface:#FFFFFF;
  --dark:#0E1024;
  --r-xs:8px;
  --r-sm:12px;
  --r-md:18px;
  --r-lg:26px;
  --r-xl:34px;
  --sh-1:0 1px 2px rgba(17,21,40,.05),0 2px 8px rgba(17,21,40,.05);
  --sh-2:0 14px 34px rgba(33,37,80,.09);
  --sh-3:0 28px 70px rgba(33,37,80,.16);
  --max:1200px;
}

/* ============ 基础 reset ============ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16px;line-height:1.72;color:var(--ink);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p{margin:0}
ul{margin:0;padding:0;list-style:none}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
input[type="search"]::-webkit-search-cancel-button{display:none}
::selection{background:rgba(91,61,245,.18)}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:14px;cursor:pointer;
  font-size:15px;font-weight:600;border:1px solid transparent;white-space:nowrap;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 12px 28px rgba(91,61,245,.28)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 38px rgba(91,61,245,.34)}
.btn-primary:active{transform:translateY(0);box-shadow:0 8px 18px rgba(91,61,245,.26)}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line);box-shadow:var(--sh-1)}
.btn-ghost:hover{border-color:rgba(91,61,245,.42);color:var(--brand);transform:translateY(-2px)}
.btn-light{background:rgba(255,255,255,.16);color:#fff;border-color:rgba(255,255,255,.34)}
.btn-light:hover{background:rgba(255,255,255,.26);transform:translateY(-2px)}
.btn-sm{height:40px;padding:0 18px;border-radius:12px;font-size:14px}
.btn:focus-visible,.nav-link:focus-visible,.nav-cta:focus-visible,.chip:focus-visible,
.mobile-toggle:focus-visible,.more-link:focus-visible,.footer-col a:focus-visible,a.footer-brand:focus-visible{
  outline:3px solid rgba(91,61,245,.35);outline-offset:2px;
}

/* ============ 页头 / 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;background:rgba(255,255,255,.88);
  backdrop-filter:saturate(180%) blur(16px);-webkit-backdrop-filter:saturate(180%) blur(16px);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;gap:22px;height:74px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:38px;height:38px;border-radius:13px;background:var(--grad);color:#fff;
  display:grid;place-items:center;font-weight:800;font-size:17px;
  box-shadow:0 8px 20px rgba(91,61,245,.32);
}
.brand-text{font-size:18px;font-weight:800;letter-spacing:.3px;color:var(--ink)}
.nav-links{display:flex;gap:2px;margin-left:8px}
.nav-link{padding:9px 15px;border-radius:11px;font-size:14.5px;color:var(--ink-2);transition:background .18s,color .18s}
.nav-link:hover{background:#F1F2FA;color:var(--ink)}
.nav-link.active{color:var(--brand);background:rgba(91,61,245,.09);font-weight:700}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px}
.cmd-search{
  display:flex;align-items:center;gap:8px;height:42px;padding:0 12px;
  border:1px solid var(--line);border-radius:13px;background:#FAFBFF;min-width:252px;
  transition:border-color .2s,box-shadow .2s,background .2s;
}
.cmd-search:focus-within{border-color:rgba(91,61,245,.5);box-shadow:0 0 0 4px rgba(91,61,245,.12);background:#fff}
.cmd-search svg{flex-shrink:0}
.cmd-search input{border:0;outline:0;background:transparent;font-size:13.8px;width:100%;min-width:0}
.cmd-search input::placeholder{color:#9AA1B5}
.cmd-search kbd{
  font-family:inherit;font-size:11px;color:#9AA1B5;border:1px solid var(--line);
  border-radius:6px;padding:1px 6px;background:#fff;flex-shrink:0;
}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;height:42px;padding:0 20px;
  border-radius:13px;font-size:14.5px;font-weight:700;color:#fff;background:var(--grad);
  box-shadow:0 10px 24px rgba(91,61,245,.26);transition:transform .18s,box-shadow .18s;
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 16px 30px rgba(91,61,245,.32)}
.mobile-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  background:#fff;cursor:pointer;padding:0;place-items:center;
}
.mobile-toggle span{display:block;width:17px;height:2px;background:var(--ink);border-radius:2px;margin:3px auto;transition:.2s}
.mobile-drawer{display:none;border-top:1px solid var(--line);background:#fff;padding:10px 24px 20px}
.mobile-drawer.open{display:block}
.mobile-drawer a{display:block;padding:12px 4px;font-size:15px;color:var(--ink-2);border-bottom:1px solid #F2F4FA}
.mobile-drawer a:last-child{border-bottom:0}
.mobile-drawer .drawer-current{color:var(--brand);font-weight:700}
.mobile-drawer .drawer-cta{
  margin-top:14px;text-align:center;color:#fff;border-radius:13px;background:var(--grad);
  font-weight:700;border-bottom:0;
}

/* ============ 页面矮横幅 ============ */
.page-hero{
  position:relative;overflow:hidden;background:
    radial-gradient(760px 320px at 92% -20%,rgba(46,139,240,.15),transparent 64%),
    radial-gradient(620px 300px at 4% 0%,rgba(91,61,245,.14),transparent 62%),
    #FFFFFF;
  border-bottom:1px solid var(--line);
}
.page-hero::after{
  content:"";position:absolute;right:-90px;bottom:-190px;width:400px;height:400px;border-radius:50%;
  background:radial-gradient(circle,rgba(22,194,199,.16),transparent 68%);pointer-events:none;
}
.crumb{display:flex;align-items:center;gap:8px;padding:20px 0 0;font-size:13.5px;color:var(--muted)}
.crumb a{color:var(--muted);transition:color .18s}
.crumb a:hover{color:var(--brand)}
.crumb span.sep{color:#C4C9DA}
.banner-grid{
  display:grid;grid-template-columns:1.28fr .72fr;gap:42px;align-items:center;
  padding:22px 0 46px;position:relative;z-index:2;
}
.banner-title{margin-top:14px;font-size:38px;line-height:1.26;letter-spacing:-.5px;font-weight:800}
.banner-title em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.banner-sub{margin-top:16px;font-size:16.5px;color:var(--ink-2);max-width:640px}
.tag-row{display:flex;flex-wrap:wrap;gap:9px;margin-top:20px}
.tag{
  display:inline-flex;align-items:center;gap:6px;padding:6px 13px;border-radius:100px;
  background:#fff;border:1px solid var(--line);font-size:13px;color:var(--ink-2);box-shadow:var(--sh-1);
}
.tag i{width:6px;height:6px;border-radius:50%;background:var(--grad);display:block}
.banner-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.badge-panel{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:8px 22px;box-shadow:var(--sh-2);
}
.badge-panel .panel-title{
  display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--muted);padding:16px 0 6px;border-bottom:1px dashed var(--line);
}
.badge-panel .panel-title b{color:var(--ink);font-size:14px;font-weight:700}
.badge-row{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:14px 0;border-bottom:1px solid #F2F4FA}
.badge-row:last-child{border-bottom:0}
.badge-row .label{font-size:14px;color:var(--ink-2)}
.badge-row .value{font-size:22px;font-weight:800;letter-spacing:-.3px;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.badge-row .value small{font-size:12.5px;font-weight:600;color:var(--muted);-webkit-text-fill-color:var(--muted);margin-left:3px}

/* ============ 通用板块 ============ */
main{display:block}
.section{padding:72px 0}
.section.tight{padding:52px 0}
.section.dark{background:var(--dark);color:#fff}
.section.dark .sec-sub{color:#A7ADCC}
.section.alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{max-width:740px}
.sec-head.between{max-width:none;display:flex;align-items:flex-end;justify-content:space-between;gap:26px;flex-wrap:wrap}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:100px;
  background:rgba(91,61,245,.09);color:#4B32D8;font-size:12.5px;font-weight:700;letter-spacing:.5px;
}
.section.dark .eyebrow{background:rgba(255,255,255,.12);color:#CFE2FF}
.sec-title{margin-top:14px;font-size:29px;line-height:1.3;font-weight:800;letter-spacing:-.3px}
.sec-sub{margin-top:12px;color:var(--muted);font-size:15.5px}

/* ============ 网格与卡片 ============ */
.grid{display:grid;gap:22px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:24px;box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(91,61,245,.28)}
.card h3{font-size:17px;font-weight:800;margin-bottom:9px}
.card p{color:var(--ink-2);font-size:14.5px}
.card-icon{
  width:44px;height:44px;border-radius:14px;background:var(--grad-soft);color:var(--brand);
  display:grid;place-items:center;font-weight:800;font-size:15px;margin-bottom:16px;
}
.card-num{
  display:inline-flex;align-items:center;justify-content:center;height:24px;min-width:24px;
  padding:0 8px;border-radius:8px;background:rgba(91,61,245,.1);color:#4B32D8;
  font-size:12.5px;font-weight:800;
}

/* ============ 痛点 → 破局 ============ */
.pain-wrap{display:grid;grid-template-columns:1fr 1fr;gap:22px;align-items:start}
.pain-col{display:grid;gap:14px}
.col-head{display:flex;align-items:center;gap:10px;font-size:15px;font-weight:800}
.col-head .dot{width:10px;height:10px;border-radius:3px;background:#D6DAEA}
.col-head .dot.on{background:var(--grad)}
.pain-item{
  display:flex;gap:14px;padding:20px;border-radius:var(--r-md);background:#fff;border:1px solid var(--line);
  box-shadow:var(--sh-1);transition:transform .2s,box-shadow .2s,border-color .2s;
}
.pain-item:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(91,61,245,.26)}
.pain-item .idx{
  flex:0 0 34px;height:34px;border-radius:11px;display:grid;place-items:center;
  background:#F2F3FA;color:var(--muted);font-weight:800;font-size:13.5px;
}
.pain-item .idx.on{background:var(--grad);color:#fff;box-shadow:0 8px 18px rgba(91,61,245,.26)}
.pain-item h3{font-size:15.5px;font-weight:800;margin-bottom:5px}
.pain-item p{font-size:14px;color:var(--ink-2)}
.solve-col .pain-item{background:linear-gradient(160deg,#fff,rgba(91,61,245,.05));border-color:rgba(91,61,245,.2)}

/* ============ 方法步骤 ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.step{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:28px 22px 24px;box-shadow:var(--sh-1);
  transition:transform .2s,box-shadow .2s,border-color .2s;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(91,61,245,.3)}
.step .step-num{
  position:absolute;top:-14px;left:22px;height:28px;padding:0 12px;border-radius:9px;
  background:var(--grad);color:#fff;font-size:12.5px;font-weight:800;letter-spacing:.6px;
  display:inline-flex;align-items:center;box-shadow:0 8px 18px rgba(91,61,245,.28);
}
.step h3{margin-top:8px;font-size:16.5px;font-weight:800}
.step p{margin-top:8px;font-size:14.2px;color:var(--ink-2)}

/* ============ 数据指标 ============ */
.metrics{
  display:grid;grid-template-columns:repeat(4,1fr);gap:8px;
  background:linear-gradient(135deg,#151833,#0E1024 55%,#152042);
  border-radius:var(--r-xl);padding:38px 30px;border:1px solid rgba(255,255,255,.08);
  box-shadow:var(--sh-3);
}
.metric{padding:6px 18px;border-right:1px solid rgba(255,255,255,.1)}
.metric:last-child{border-right:0}
.metric b{
  display:block;font-size:34px;font-weight:800;letter-spacing:-.6px;
  background:linear-gradient(120deg,#FFFFFF,#BFD7FF 60%,#9CE7E9);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.metric span{display:block;margin-top:6px;font-size:13.6px;color:#A7ADCC}

/* ============ 频道矩阵 ============ */
.chip-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.chip{
  display:flex;flex-direction:column;gap:6px;padding:20px;border-radius:var(--r-md);
  background:#fff;border:1px solid var(--line);box-shadow:var(--sh-1);
  transition:transform .2s,box-shadow .2s,border-color .2s,background .2s;
}
.chip:hover{transform:translateY(-4px);border-color:rgba(91,61,245,.34);box-shadow:var(--sh-2);background:#FDFDFF}
.chip strong{font-size:15.5px;font-weight:800}
.chip small{font-size:13.2px;color:var(--muted);line-height:1.6}
.chip .chip-tag{
  align-self:flex-start;margin-top:6px;padding:3px 10px;border-radius:100px;
  background:var(--grad-soft);color:#4B32D8;font-size:11.8px;font-weight:700;
}

/* ============ 精选专题列表 ============ */
.post-list{display:grid;gap:14px}
.post-item{
  display:grid;grid-template-columns:88px 1fr auto;gap:20px;align-items:center;
  padding:18px;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh-1);transition:transform .2s,box-shadow .2s,border-color .2s;
}
.post-item:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(91,61,245,.28)}
.post-thumb{
  width:88px;height:66px;border-radius:14px;background:var(--grad);color:#fff;
  display:grid;place-items:center;font-weight:800;font-size:19px;letter-spacing:1px;
  box-shadow:0 10px 22px rgba(91,61,245,.24);
}
.post-thumb.alt{background:linear-gradient(135deg,#2E8BF0,#16C2C7)}
.post-thumb.alt2{background:linear-gradient(135deg,#7A5BFF,#2E8BF0)}
.post-body h3{font-size:16.5px;font-weight:800;margin-bottom:6px}
.post-body p{font-size:14.2px;color:var(--ink-2)}
.post-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:10px;font-size:12.8px;color:var(--muted)}
.post-meta em{font-style:normal;padding:2px 10px;border-radius:100px;background:#F4F5FB;color:var(--ink-2)}
.post-meta em.hot{background:rgba(91,61,245,.1);color:#4B32D8;font-weight:700}
.post-stat{text-align:right;font-size:13px;color:var(--muted);white-space:nowrap}
.post-stat b{display:block;font-size:19px;font-weight:800;color:var(--ink);letter-spacing:-.3px}
.more-row{display:flex;justify-content:center;margin-top:26px}
.more-link{
  display:inline-flex;align-items:center;gap:8px;height:44px;padding:0 22px;border-radius:13px;
  background:#fff;border:1px solid var(--line);color:var(--brand);font-weight:700;font-size:14.5px;
  box-shadow:var(--sh-1);transition:transform .2s,box-shadow .2s,border-color .2s;
}
.more-link:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(91,61,245,.42)}

/* ============ 用户反馈 ============ */
.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.quote{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:24px;
  box-shadow:var(--sh-1);display:flex;flex-direction:column;gap:16px;
  transition:transform .2s,box-shadow .2s,border-color .2s;
}
.quote:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(91,61,245,.26)}
.quote .stars{color:#F5A524;font-size:14px;letter-spacing:2px}
.quote p{font-size:14.6px;color:var(--ink-2)}
.quote-who{display:flex;align-items:center;gap:12px;border-top:1px solid #F2F4FA;padding-top:16px}
.avatar{
  width:40px;height:40px;border-radius:13px;background:var(--grad-soft);color:#4B32D8;
  display:grid;place-items:center;font-weight:800;font-size:14.5px;
}
.quote-who strong{display:block;font-size:14.4px}
.quote-who small{color:var(--muted);font-size:12.6px}

/* ============ 适用人群 ============ */
.persona-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.persona{
  padding:22px;border-radius:var(--r-md);background:#fff;border:1px solid var(--line);
  box-shadow:var(--sh-1);transition:transform .2s,box-shadow .2s,border-color .2s;
}
.persona:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(91,61,245,.28)}
.persona .persona-tag{
  display:inline-flex;align-items:center;height:26px;padding:0 11px;border-radius:9px;
  background:var(--grad);color:#fff;font-size:12px;font-weight:800;letter-spacing:.4px;
}
.persona h3{margin-top:14px;font-size:16.5px;font-weight:800}
.persona p{margin-top:9px;font-size:14.2px;color:var(--ink-2)}
.persona ul{margin-top:14px;display:grid;gap:8px}
.persona li{position:relative;padding-left:16px;font-size:13.6px;color:var(--muted)}
.persona li::before{
  content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:2px;background:var(--grad);
}

/* ============ FAQ ============ */
.faq{display:grid;gap:12px;max-width:900px}
.faq details{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-sm);
  padding:0 22px;box-shadow:var(--sh-1);transition:border-color .2s,box-shadow .2s;
}
.faq details[open]{border-color:rgba(91,61,245,.36);box-shadow:var(--sh-2)}
.faq summary{
  list-style:none;cursor:pointer;padding:18px 0;font-size:15.8px;font-weight:700;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"+";flex:0 0 26px;height:26px;border-radius:9px;background:#F2F3FA;color:var(--brand);
  display:grid;place-items:center;font-size:17px;font-weight:700;transition:.2s;
}
.faq details[open] summary::after{content:"−";background:var(--grad);color:#fff}
.faq .faq-body{padding:0 0 20px;color:var(--ink-2);font-size:14.6px;border-top:1px solid #F2F4FA;padding-top:16px}

/* ============ 收口行动区 ============ */
.cta-band{
  background:var(--grad);border-radius:var(--r-xl);padding:46px 44px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap;
  box-shadow:var(--sh-3);position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-70px;top:-90px;width:280px;height:280px;border-radius:50%;
  background:rgba(255,255,255,.16);pointer-events:none;
}
.cta-band h2{font-size:28px;font-weight:800;letter-spacing:-.3px;line-height:1.32}
.cta-band p{margin-top:12px;font-size:15px;color:rgba(255,255,255,.9);max-width:620px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:2}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:#C9CDE4;padding:62px 0 26px;margin-top:26px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-mark{width:34px;height:34px;border-radius:12px;font-size:15px}
.footer-brand strong{color:#fff;font-size:16.5px;font-weight:800}
.footer-desc{font-size:14px;color:#9AA0C0;max-width:340px}
.footer-col h4{margin:0 0 14px;font-size:14.6px;color:#fff;font-weight:800}
.footer-col a{display:block;padding:5px 0;font-size:14px;color:#A7ADCC;transition:color .18s,transform .18s}
.footer-col a:hover{color:#fff;transform:translateX(3px)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);margin-top:44px;padding-top:20px;
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13.4px;color:#8E95B5;
}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .banner-grid{grid-template-columns:1fr;gap:28px;padding-bottom:40px}
  .banner-title{font-size:33px}
  .grid-4,.persona-grid,.chip-grid{grid-template-columns:repeat(2,1fr)}
  .grid-3,.quote-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .metrics{grid-template-columns:repeat(2,1fr);gap:22px}
  .metric{border-right:0;padding:6px 10px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .cmd-search{min-width:190px}
  .section{padding:58px 0}
}
@media (max-width:900px){
  .nav-links{display:none}
  .mobile-toggle{display:grid}
  .nav-inner{gap:14px}
}
@media (max-width:768px){
  .cmd-search{display:none}
  .container{padding:0 18px}
  .banner-title{font-size:28px}
  .banner-sub{font-size:15.4px}
  .sec-title{font-size:24px}
  .grid-2,.grid-3,.grid-4,.quote-grid,.persona-grid,.chip-grid,.steps,.pain-wrap{grid-template-columns:1fr}
  .post-item{grid-template-columns:1fr;gap:14px}
  .post-thumb{width:100%;height:58px}
  .post-stat{text-align:left}
  .cta-band{padding:32px 26px}
  .cta-band h2{font-size:23px}
  .metrics{padding:28px 22px}
  .metric b{font-size:28px}
  .section{padding:48px 0}
  .badge-panel{padding:6px 18px}
}
@media (max-width:520px){
  .banner-title{font-size:24.5px}
  .brand-text{font-size:16.5px}
  .nav-cta{padding:0 15px;font-size:14px}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .btn{width:100%}
  .banner-actions .btn,.cta-actions .btn{width:100%}
  .quote{padding:20px}
  .card{padding:20px}
}

/* roulang page: category3 */
:root{
 --brand:#5B3DF5;
 --brand-2:#2E8BF0;
 --brand-3:#16C2C7;
 --grad:linear-gradient(135deg,#5B3DF5 0%,#2E8BF0 60%,#16C2C7 100%);
 --grad-soft:linear-gradient(135deg,rgba(91,61,245,.10),rgba(22,194,199,.10));
 --ink:#111528;
 --ink-2:#3C4358;
 --muted:#6B7288;
 --line:#E7EAF4;
 --bg:#F6F7FC;
 --surface:#FFFFFF;
 --dark:#0E1024;
 --r-xs:8px;
 --r-sm:12px;
 --r-md:18px;
 --r-lg:26px;
 --r-xl:34px;
 --sh-1:0 1px 2px rgba(17,21,40,.05),0 2px 8px rgba(17,21,40,.05);
 --sh-2:0 14px 34px rgba(33,37,80,.09);
 --sh-3:0 28px 70px rgba(33,37,80,.16);
 --max:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
 font-size:16px;line-height:1.72;color:var(--ink);background:var(--bg);
 -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;line-height:1.26;letter-spacing:-.2px;font-weight:800}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px}
:focus-visible{outline:3px solid rgba(91,61,245,.35);outline-offset:2px}
/* ---------- 按钮 ---------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 height:48px;padding:0 24px;border-radius:14px;line-height:1;
 font-size:15px;font-weight:600;text-align:center;border:1px solid transparent;cursor:pointer;
 transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
 white-space:nowrap;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 12px 28px rgba(91,61,245,.28)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 38px rgba(91,61,245,.34);color:#fff}
.btn-primary:active{transform:translateY(0);box-shadow:0 8px 18px rgba(91,61,245,.26)}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line);box-shadow:var(--sh-1)}
.btn-ghost:hover{border-color:rgba(91,61,245,.42);color:var(--brand);transform:translateY(-2px)}
.btn-light{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.26)}
.btn-light:hover{background:rgba(255,255,255,.22);color:#fff;transform:translateY(-2px)}
.btn-sm{height:40px;padding:0 18px;border-radius:12px;font-size:14px}
.btn:focus-visible,.nav-link:focus-visible,.nav-cta:focus-visible,.tile:focus-visible{outline:3px solid rgba(91,61,245,.35);outline-offset:2px}
/* ---------- 页头 ---------- */
.site-header{
 position:sticky;top:0;z-index:80;
 background:rgba(255,255,255,.88);
 backdrop-filter:saturate(180%) blur(16px);
 -webkit-backdrop-filter:saturate(180%) blur(16px);
 border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;gap:22px;height:74px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
 width:38px;height:38px;border-radius:13px;background:var(--grad);
 color:#fff;display:grid;place-items:center;font-weight:800;font-size:17px;
 box-shadow:0 8px 20px rgba(91,61,245,.32);
}
.brand-text{font-size:18px;font-weight:800;letter-spacing:.3px;color:var(--ink)}
.nav-links{display:flex;gap:2px;margin-left:8px}
.nav-link{
 padding:9px 15px;border-radius:11px;font-size:14.5px;color:var(--ink-2);
 transition:background .18s,color .18s;
}
.nav-link:hover{background:#F1F2FA;color:var(--ink)}
.nav-link.active{color:var(--brand);background:rgba(91,61,245,.09);font-weight:700}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px}
.cmd-search{
 display:flex;align-items:center;gap:8px;height:42px;padding:0 12px;
 border:1px solid var(--line);border-radius:13px;background:#FAFBFF;
 min-width:252px;transition:border-color .2s,box-shadow .2s,background .2s;
}
.cmd-search:focus-within{border-color:rgba(91,61,245,.5);box-shadow:0 0 0 4px rgba(91,61,245,.12);background:#fff}
.cmd-search svg{flex-shrink:0;stroke:#9AA1B5}
.cmd-search input{border:0;outline:0;background:transparent;font-size:13.8px;width:100%;min-width:0}
.cmd-search input::placeholder{color:#9AA1B5}
.cmd-search kbd{
 font-family:inherit;font-size:11px;color:#9AA1B5;border:1px solid var(--line);
 border-radius:6px;padding:1px 6px;background:#fff;flex-shrink:0;
}
.nav-cta{
 display:inline-flex;align-items:center;justify-content:center;
 height:42px;padding:0 20px;border-radius:13px;font-size:14.5px;font-weight:700;color:#fff;
 background:var(--grad);box-shadow:0 10px 24px rgba(91,61,245,.26);
 transition:transform .18s,box-shadow .18s;
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 16px 30px rgba(91,61,245,.32);color:#fff}
.mobile-toggle{
 display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
 background:#fff;cursor:pointer;padding:0;place-items:center;
}
.mobile-toggle span{display:block;width:17px;height:2px;background:var(--ink);border-radius:2px;margin:3px auto;transition:.2s}
.mobile-drawer{display:none;border-top:1px solid var(--line);background:#fff;padding:10px 24px 20px}
.mobile-drawer a{display:block;padding:12px 4px;font-size:15px;color:var(--ink-2);border-bottom:1px solid #F2F4FA}
.mobile-drawer a:last-child{border-bottom:0}
.mobile-drawer a.active{color:var(--brand);font-weight:700}
.mobile-drawer .drawer-cta{
 margin-top:14px;text-align:center;color:#fff;border-radius:13px;background:var(--grad);
 font-weight:700;border-bottom:0;
}
/* ---------- 首屏：杂志分栏 ---------- */
.mag{
 position:relative;overflow:hidden;
 background:
  radial-gradient(880px 400px at 90% -10%,rgba(46,139,240,.16),transparent 62%),
  radial-gradient(760px 420px at 4% 6%,rgba(91,61,245,.16),transparent 60%),
  #FFFFFF;
 border-bottom:1px solid var(--line);
}
.mag::after{
 content:"";position:absolute;right:-90px;bottom:-190px;width:430px;height:430px;border-radius:50%;
 background:radial-gradient(circle,rgba(22,194,199,.18),transparent 68%);pointer-events:none;
}
.mag-grid{
 display:grid;grid-template-columns:1.08fr .92fr;gap:54px;align-items:center;
 padding:70px 0 66px;position:relative;z-index:2;
}
.eyebrow{
 display:inline-flex;align-items:center;gap:9px;padding:7px 15px;border-radius:100px;
 background:rgba(91,61,245,.09);color:#4B32D8;font-size:13px;font-weight:700;letter-spacing:.4px;
}
.eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--grad);display:block}
.mag h1{margin-top:20px;font-size:44px;line-height:1.2;letter-spacing:-.6px}
.mag h1 em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.mag-sub{margin-top:18px;font-size:17px;color:var(--ink-2);max-width:560px;line-height:1.82}
.hero-facts{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.fact{
 display:inline-flex;align-items:center;gap:8px;padding:8px 15px;border-radius:100px;
 background:#fff;border:1px solid var(--line);font-size:13.6px;color:var(--ink-2);box-shadow:var(--sh-1);
}
.fact b{color:var(--brand);font-weight:800}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.pick-card{
 background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-3);overflow:hidden;
}
.pick-head{background:var(--grad);color:#fff;padding:22px 26px}
.pick-head span{font-size:12.6px;letter-spacing:.8px;opacity:.9}
.pick-head strong{display:block;font-size:19px;margin-top:6px;font-weight:800}
.pick-body{padding:22px 26px 26px}
.pick-big{display:flex;align-items:baseline;gap:10px;padding-bottom:16px;border-bottom:1px dashed var(--line)}
.pick-big b{font-size:38px;line-height:1;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.pick-big em{font-style:normal;font-size:13.4px;color:var(--muted)}
.pick-list li{display:flex;align-items:center;gap:12px;padding:13px 0;border-bottom:1px solid #F2F4FA;font-size:14.4px}
.pick-list li:last-child{border-bottom:0;padding-bottom:0}
.pick-rank{
 width:26px;height:26px;flex-shrink:0;border-radius:9px;background:var(--grad-soft);color:#4B32D8;
 display:grid;place-items:center;font-size:12.4px;font-weight:800;
}
.pick-list .pick-name{flex:1;min-width:0;color:var(--ink-2);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.pick-list .pick-val{font-weight:800;color:var(--ink);font-size:13.8px}
.pick-note{margin-top:16px;font-size:12.6px;color:var(--muted)}
/* ---------- 板块 ---------- */
.sec{padding:70px 0}
.sec-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{max-width:700px;margin-bottom:34px}
.sec-title{font-size:30px;margin-top:14px}
.sec-sub{margin-top:12px;color:var(--muted);font-size:15.6px}
.sec-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:34px;flex-wrap:wrap}
/* ---------- 数据徽章条 ---------- */
.stat-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.stat{
 background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:24px 22px;
 box-shadow:var(--sh-1);transition:transform .2s,box-shadow .2s,border-color .2s;
}
.stat:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(91,61,245,.26)}
.stat b{display:block;font-size:29px;line-height:1.1;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat span{display:block;margin-top:10px;font-size:14px;color:var(--muted)}
/* ---------- 卡片 ---------- */
.tile{
 background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:24px;height:100%;
 box-shadow:var(--sh-1);transition:transform .2s,box-shadow .2s,border-color .2s;
}
.tile:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(91,61,245,.28)}
.tile h3{font-size:17px;margin-top:16px}
.tile p{margin-top:10px;font-size:14.6px;color:var(--muted);line-height:1.75}
.num-tag{
 display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:11px;
 background:var(--grad);color:#fff;font-size:13.5px;font-weight:800;
 box-shadow:0 8px 18px rgba(91,61,245,.24);
}
.tag{
 display:inline-block;font-size:12px;padding:3px 11px;border-radius:100px;
 background:#F1F2FA;color:#5A6180;margin:14px 6px 0 0;
}
.tag-soft{background:rgba(22,194,199,.12);color:#0E8B90}
/* ---------- 排行列表 ---------- */
.board{
 background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-2);
 padding:10px 26px 18px;
}
.board-head{
 display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
 padding:18px 0 14px;border-bottom:1px solid var(--line);
}
.board-head strong{font-size:16.5px}
.board-head span{font-size:13px;color:var(--muted)}
.row-item{
 display:grid;grid-template-columns:42px 1fr 200px 78px;gap:16px;align-items:center;
 padding:16px 0;border-bottom:1px solid #F2F4FA;
}
.row-item:last-child{border-bottom:0}
.row-num{font-size:14px;font-weight:800;color:#B4BAD0}
.row-main{min-width:0}
.row-main strong{display:block;font-size:15.4px;font-weight:700;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.row-main span{display:block;font-size:12.8px;color:var(--muted);margin-top:3px}
.meter{display:block;height:8px;border-radius:100px;background:#EEF0F9;overflow:hidden}
.meter i{display:block;height:100%;border-radius:100px;background:var(--grad)}
.row-val{font-size:15px;font-weight:800;text-align:right;color:var(--ink)}
/* ---------- 指标解读 ---------- */
.metric-item{
 display:flex;gap:18px;padding:20px 0;border-bottom:1px solid var(--line);
}
.metric-item:last-child{border-bottom:0;padding-bottom:0}
.metric-item h3{font-size:17px}
.metric-item p{margin-top:8px;font-size:14.8px;color:var(--muted);line-height:1.78}
.metric-side{
 background:var(--dark);color:#E7E9F6;border-radius:var(--r-lg);padding:30px 28px;height:100%;
 position:relative;overflow:hidden;
}
.metric-side::after{
 content:"";position:absolute;right:-70px;top:-70px;width:220px;height:220px;border-radius:50%;
 background:radial-gradient(circle,rgba(91,61,245,.55),transparent 68%);
}
.metric-side h3{font-size:18px;color:#fff;position:relative;z-index:2}
.metric-side p{margin-top:12px;font-size:14.4px;color:#A9B0CC;line-height:1.8;position:relative;z-index:2}
.metric-side ul{margin-top:18px;position:relative;z-index:2}
.metric-side li{
 display:flex;align-items:center;justify-content:space-between;gap:12px;
 padding:11px 0;border-top:1px solid rgba(255,255,255,.09);font-size:14px;color:#C9CEE4;
}
.metric-side li b{color:#fff;font-weight:800}
/* ---------- 频道矩阵 ---------- */
.cat-card{
 display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:26px;height:100%;
 box-shadow:var(--sh-1);transition:transform .2s,box-shadow .2s,border-color .2s;
}
.cat-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(91,61,245,.34)}
.cat-card h3{font-size:18px}
.cat-card p{margin-top:10px;font-size:14.6px;color:var(--muted);line-height:1.76}
.cat-more{display:inline-flex;align-items:center;gap:6px;margin-top:16px;font-size:14px;font-weight:700;color:var(--brand)}
.cat-card:hover .cat-more{gap:10px}
/* ---------- 精选解读 ---------- */
.digest{border-left:3px solid transparent;border-image:var(--grad) 1;padding-left:20px}
.digest h3{font-size:17.5px}
.digest p{margin-top:10px;font-size:14.8px;color:var(--muted);line-height:1.8}
.digest-meta{margin-top:12px;font-size:12.8px;color:#9AA1B5}
/* ---------- 适用场景 ---------- */
.role-item{
 display:flex;gap:16px;padding:20px 22px;background:#fff;border:1px solid var(--line);
 border-radius:var(--r-md);box-shadow:var(--sh-1);height:100%;
 transition:transform .2s,box-shadow .2s,border-color .2s;
}
.role-item:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(91,61,245,.28)}
.role-item h3{font-size:16.5px}
.role-item p{margin-top:8px;font-size:14.4px;color:var(--muted);line-height:1.75}
/* ---------- FAQ ---------- */
.faq-item{
 background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
 box-shadow:var(--sh-1);margin-bottom:14px;overflow:hidden;transition:border-color .2s,box-shadow .2s;
}
.faq-item[open]{border-color:rgba(91,61,245,.3);box-shadow:var(--sh-2)}
.faq-item summary{
 list-style:none;cursor:pointer;padding:19px 24px;font-size:16px;font-weight:700;
 display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
 content:"+";flex-shrink:0;width:28px;height:28px;border-radius:9px;display:grid;place-items:center;
 background:rgba(91,61,245,.09);color:var(--brand);font-size:17px;font-weight:800;
}
.faq-item[open] summary::after{content:"–"}
.faq-body{padding:0 24px 22px;font-size:14.8px;color:var(--ink-2);line-height:1.82}
/* ---------- 收口行动区 ---------- */
.cta-band{
 position:relative;overflow:hidden;border-radius:var(--r-xl);padding:52px 54px;color:#fff;
 background:linear-gradient(135deg,#0E1024 0%,#2A2166 52%,#0E1024 100%);
 box-shadow:var(--sh-3);
}
.cta-band::after{
 content:"";position:absolute;right:-80px;bottom:-140px;width:360px;height:360px;border-radius:50%;
 background:radial-gradient(circle,rgba(46,139,240,.5),transparent 68%);pointer-events:none;
}
.cta-band h2{font-size:29px;color:#fff;position:relative;z-index:2;max-width:640px}
.cta-band p{margin-top:14px;font-size:15.4px;color:#B4BAD6;max-width:620px;position:relative;z-index:2}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;position:relative;z-index:2}
/* ---------- 页脚 ---------- */
.site-footer{background:#0B0D1E;color:#B9BFD6;margin-top:70px;padding:56px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:800;margin-bottom:14px}
.footer-brand .brand-mark{width:34px;height:34px;border-radius:11px;font-size:15px}
.footer-desc{font-size:14px;line-height:1.78;color:#8F97B4;max-width:340px}
.footer-col h4{font-size:14px;color:#fff;margin-bottom:14px;letter-spacing:.5px}
.footer-col a{display:block;font-size:14px;color:#949CBB;padding:5px 0;transition:color .2s,transform .2s}
.footer-col a:hover{color:#fff;transform:translateX(2px)}
.footer-bottom{
 margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.08);
 display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:13px;color:#7E86A6;
}
#live,#metrics,#channels{scroll-margin-top:96px}
/* ---------- 响应式 ---------- */
@media (max-width:1080px){
 .nav-links{display:none}
 .mobile-toggle{display:grid}
 .mag-grid{grid-template-columns:1fr;gap:40px;padding:56px 0 52px}
 .mag h1{font-size:38px}
 .stat-strip{grid-template-columns:repeat(2,1fr)}
 .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
 .row-item{grid-template-columns:38px 1fr 150px 70px}
}
@media (max-width:820px){
 .cmd-search{display:none}
 .sec{padding:56px 0}
 .sec-title{font-size:26px}
 .board{padding:8px 18px 14px}
 .row-item{grid-template-columns:34px 1fr 68px;gap:12px}
 .row-meter{display:none}
 .cta-band{padding:38px 28px;border-radius:var(--r-lg)}
 .cta-band h2{font-size:24px}
}
@media (max-width:560px){
 .container{padding:0 18px}
 .nav-inner{height:66px;gap:12px}
 .brand-text{font-size:16.5px}
 .nav-cta{display:none}
 .mag h1{font-size:30px}
 .mag-sub{font-size:15.6px}
 .sec-title{font-size:23px}
 .stat-strip{grid-template-columns:1fr}
 .footer-grid{grid-template-columns:1fr}
 .footer-bottom{flex-direction:column;gap:6px}
 .tile,.role-item{padding:20px}
 .board-head{gap:8px}
 .row-main strong{font-size:14.6px}
}

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}