/* roulang page: index */
:root{
  --bg:#0d0b12;
  --bg-soft:#141020;
  --surface:#181323;
  --surface-2:#201a2e;
  --surface-3:#2a2239;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --text:#f5f2f8;
  --text-2:#c3bbd2;
  --text-3:#8e86a1;
  --primary:#ff4d79;
  --primary-deep:#d92e5c;
  --accent:#8b5cf6;
  --accent-soft:rgba(139,92,246,.16);
  --gold:#ffb347;
  --radius-s:10px;
  --radius:16px;
  --radius-l:24px;
  --radius-xl:32px;
  --shadow-s:0 4px 14px rgba(0,0,0,.28);
  --shadow:0 16px 40px rgba(0,0,0,.42);
  --shadow-l:0 28px 70px rgba(0,0,0,.55);
  --gap:24px;
  --container:1200px;
  --trans:.28s cubic-bezier(.4,.15,.2,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color var(--trans),background-color var(--trans),border-color var(--trans),opacity var(--trans);}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;border:none;background:none;}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px;}
::selection{background:var(--primary);color:#fff;}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:88px 0;position:relative;}
.section--tight{padding:64px 0;}
.section--soft{background:linear-gradient(180deg,rgba(139,92,246,.05),rgba(255,77,121,.03));}
.sec-head{max-width:760px;margin-bottom:44px;}
.sec-head--center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.16em;font-weight:600;
  color:var(--primary);text-transform:uppercase;
  padding:6px 14px;border-radius:999px;
  background:rgba(255,77,121,.1);
  border:1px solid rgba(255,77,121,.24);
  margin-bottom:18px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--primary);}
.sec-title{font-size:clamp(24px,3vw,36px);line-height:1.32;font-weight:700;letter-spacing:-.01em;}
.sec-desc{margin-top:16px;color:var(--text-2);font-size:16px;line-height:1.85;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  backdrop-filter:blur(18px);
  background:rgba(13,11,18,.82);
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px;}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-mark{
  width:42px;height:42px;border-radius:14px;
  background:linear-gradient(135deg,var(--primary),var(--accent));
  display:grid;place-items:center;
  font-weight:800;font-size:18px;color:#fff;
  box-shadow:0 8px 22px rgba(255,77,121,.32);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{font-size:19px;font-weight:800;letter-spacing:.02em;}
.brand-sub{font-size:11px;color:var(--text-3);letter-spacing:.22em;text-transform:uppercase;}
.nav{display:flex;align-items:center;gap:6px;}
.nav a{
  padding:9px 16px;border-radius:999px;font-size:15px;color:var(--text-2);font-weight:500;
}
.nav a:hover{color:var(--text);background:rgba(255,255,255,.06);}
.nav a.active{color:#fff;background:linear-gradient(135deg,var(--primary),var(--primary-deep));box-shadow:0 8px 20px rgba(255,77,121,.28);}
.nav-actions{display:flex;align-items:center;gap:12px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;border-radius:999px;font-size:15px;font-weight:600;
  border:1px solid transparent;transition:transform var(--trans),box-shadow var(--trans),background var(--trans),border-color var(--trans),color var(--trans);
  white-space:nowrap;
}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;box-shadow:0 12px 28px rgba(255,77,121,.3);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 36px rgba(255,77,121,.42);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:rgba(255,255,255,.05);border-color:var(--line-strong);color:var(--text);}
.btn-ghost:hover{background:rgba(255,255,255,.1);border-color:var(--primary);color:#fff;}
.btn-line{border-color:var(--line-strong);color:var(--text-2);padding:11px 20px;}
.btn-line:hover{color:#fff;border-color:var(--primary);}
.btn-sm{padding:8px 16px;font-size:14px;}
.nav-toggle{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line-strong);background:rgba(255,255,255,.04);align-items:center;justify-content:center;}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text);border-radius:2px;}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  padding:96px 0 78px;
  background-image:linear-gradient(105deg,rgba(13,11,18,.96) 0%,rgba(13,11,18,.86) 42%,rgba(20,16,32,.72) 100%),url("/assets/images/ee9f9858207c2d8d.jpg");
  background-size:cover;background-position:center;
}
.hero::after{
  content:"";position:absolute;inset:auto -10% -60% -10%;height:320px;
  background:radial-gradient(ellipse at center,rgba(255,77,121,.25),transparent 70%);
  pointer-events:none;
}
.hero-inner{position:relative;z-index:2;max-width:840px;}
.hero-badge{
  display:inline-flex;align-items:center;gap:10px;
  padding:7px 16px;border-radius:999px;font-size:13.5px;color:var(--text-2);
  background:rgba(255,255,255,.06);border:1px solid var(--line-strong);
  margin-bottom:22px;
}
.hero-badge b{color:var(--primary);font-weight:700;}
.hero h1{
  font-size:clamp(30px,4.6vw,54px);line-height:1.2;font-weight:800;letter-spacing:-.02em;
  margin-bottom:22px;
}
.hero h1 em{
  font-style:normal;
  background:linear-gradient(120deg,var(--primary),var(--accent));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{font-size:17px;line-height:1.9;color:var(--text-2);max-width:720px;}
.hero-points{display:flex;flex-wrap:wrap;gap:12px;margin:28px 0 34px;}
.point-chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 16px;border-radius:999px;font-size:14px;color:var(--text-2);
  background:rgba(255,255,255,.045);border:1px solid var(--line);
}
.point-chip i{width:6px;height:6px;border-radius:50%;background:var(--accent);display:inline-block;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;}
.hero-search{
  margin-top:40px;display:flex;gap:10px;flex-wrap:wrap;
  padding:14px;border-radius:var(--radius-l);
  background:rgba(24,19,35,.72);border:1px solid var(--line);
  backdrop-filter:blur(10px);max-width:640px;
}
.hero-search input{
  flex:1;min-width:180px;padding:12px 18px;border-radius:999px;
  background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--text);
  outline:none;transition:border-color var(--trans),background var(--trans);
}
.hero-search input::placeholder{color:var(--text-3);}
.hero-search input:focus{border-color:var(--primary);background:rgba(255,255,255,.08);}
.hero-meta{display:flex;gap:36px;flex-wrap:wrap;margin-top:44px;padding-top:32px;border-top:1px solid var(--line);}
.hero-meta div strong{display:block;font-size:26px;font-weight:800;color:#fff;}
.hero-meta div span{font-size:13.5px;color:var(--text-3);}

/* ---------- 数据条 ---------- */
.stats{
  background:linear-gradient(120deg,rgba(139,92,246,.14),rgba(255,77,121,.1));
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  padding:52px 0;
}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.stat-card{
  padding:26px 24px;border-radius:var(--radius);background:rgba(13,11,18,.55);
  border:1px solid var(--line);transition:transform var(--trans),border-color var(--trans);
}
.stat-card:hover{transform:translateY(-4px);border-color:rgba(255,77,121,.4);}
.stat-card b{display:block;font-size:32px;font-weight:800;letter-spacing:-.02em;
  background:linear-gradient(120deg,#fff,var(--primary));-webkit-background-clip:text;background-clip:text;color:transparent;}
.stat-card span{display:block;margin-top:6px;font-size:14px;color:var(--text-2);}
.stat-card small{display:block;margin-top:10px;font-size:12.5px;color:var(--text-3);}

/* ---------- 通用卡片栅格 ---------- */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--gap);}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap);}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap);}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-l);
  padding:30px 26px;transition:transform var(--trans),border-color var(--trans),box-shadow var(--trans),background var(--trans);
  position:relative;overflow:hidden;
}
.card:hover{transform:translateY(-5px);border-color:rgba(255,77,121,.36);box-shadow:var(--shadow);background:var(--surface-2);}
.card-icon{
  width:50px;height:50px;border-radius:15px;display:grid;place-items:center;
  background:var(--accent-soft);color:var(--primary);font-size:20px;font-weight:800;margin-bottom:18px;
}
.card h3{font-size:19px;font-weight:700;margin-bottom:12px;}
.card p{color:var(--text-2);font-size:15px;line-height:1.85;}
.card-list{margin-top:16px;display:flex;flex-direction:column;gap:9px;}
.card-list li{position:relative;padding-left:18px;font-size:14.5px;color:var(--text-2);}
.card-list li::before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;background:var(--primary);opacity:.75;}

/* ---------- 频道矩阵 ---------- */
.channel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.channel-card{
  display:block;border-radius:var(--radius-l);overflow:hidden;position:relative;
  border:1px solid var(--line);background:var(--surface);
  transition:transform var(--trans),border-color var(--trans),box-shadow var(--trans);
}
.channel-card:hover{transform:translateY(-6px);border-color:rgba(255,77,121,.42);box-shadow:var(--shadow-l);}
.channel-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;}
.channel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .6s cubic-bezier(.2,.7,.3,1);}
.channel-card:hover .channel-thumb img{transform:scale(1.07);}
.channel-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(13,11,18,.1),rgba(13,11,18,.88));}
.channel-tag{
  position:absolute;left:16px;top:16px;z-index:2;
  padding:6px 14px;border-radius:999px;font-size:12.5px;font-weight:600;
  background:rgba(255,77,121,.9);color:#fff;letter-spacing:.04em;
}
.channel-body{position:absolute;left:0;right:0;bottom:0;padding:22px;z-index:2;}
.channel-body h3{font-size:20px;font-weight:700;margin-bottom:8px;}
.channel-body p{font-size:14px;color:var(--text-2);line-height:1.7;}
.channel-foot{display:flex;align-items:center;justify-content:space-between;margin-top:16px;font-size:13px;color:var(--text-3);}
.channel-foot span{color:var(--primary);font-weight:600;}

/* ---------- 精选内容 ---------- */
.feature-list{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.feature-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;transition:transform var(--trans),box-shadow var(--trans),border-color var(--trans);
}
.feature-item:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:rgba(139,92,246,.4);}
.feature-item .thumb{aspect-ratio:16/9;overflow:hidden;position:relative;}
.feature-item .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease;}
.feature-item:hover .thumb img{transform:scale(1.06);}
.feature-item .thumb .dur{
  position:absolute;right:12px;bottom:12px;padding:4px 10px;border-radius:8px;
  font-size:12px;background:rgba(13,11,18,.78);color:#fff;border:1px solid var(--line);
}
.feature-text{padding:20px 22px 24px;}
.feature-text h3{font-size:17px;font-weight:700;margin-bottom:10px;line-height:1.5;}
.feature-text p{font-size:14px;color:var(--text-2);line-height:1.8;}
.feature-meta{display:flex;align-items:center;gap:12px;margin-top:16px;font-size:12.5px;color:var(--text-3);}
.badge{
  display:inline-block;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:600;
  background:rgba(139,92,246,.18);color:#c4b1ff;border:1px solid rgba(139,92,246,.3);
}
.badge-hot{background:rgba(255,77,121,.16);color:#ff9eb4;border-color:rgba(255,77,121,.32);}

/* ---------- 图文分栏 ---------- */
.split{display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:center;}
.split.reverse .split-media{order:2;}
.split-media{border-radius:var(--radius-l);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);position:relative;}
.split-media img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.split-body h2{font-size:clamp(24px,2.8vw,34px);line-height:1.35;font-weight:700;margin-bottom:18px;}
.split-body p{color:var(--text-2);font-size:15.6px;line-height:1.95;margin-bottom:16px;}
.tick-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:22px;}
.tick-list li{display:flex;gap:10px;align-items:flex-start;font-size:14.6px;color:var(--text-2);}
.tick-list li i{
  flex:none;width:20px;height:20px;border-radius:50%;margin-top:3px;
  background:linear-gradient(135deg,var(--primary),var(--accent));
  display:grid;place-items:center;font-size:11px;font-style:normal;color:#fff;font-weight:700;
}

/* ---------- 会员权益 ---------- */
.plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch;}
.plan{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-l);
  padding:34px 28px;display:flex;flex-direction:column;
  transition:transform var(--trans),border-color var(--trans),box-shadow var(--trans);
}
.plan:hover{transform:translateY(-6px);box-shadow:var(--shadow);}
.plan.featured{
  border-color:rgba(255,77,121,.5);
  background:linear-gradient(160deg,rgba(255,77,121,.12),rgba(139,92,246,.1)),var(--surface-2);
  box-shadow:0 24px 60px rgba(255,77,121,.18);
}
.plan-tag{
  align-self:flex-start;padding:5px 13px;border-radius:999px;font-size:12.5px;font-weight:600;
  background:rgba(255,255,255,.07);border:1px solid var(--line-strong);color:var(--text-2);margin-bottom:18px;
}
.plan.featured .plan-tag{background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;border-color:transparent;}
.plan h3{font-size:21px;font-weight:700;margin-bottom:10px;}
.plan .price{font-size:34px;font-weight:800;letter-spacing:-.02em;margin:6px 0 4px;}
.plan .price small{font-size:14px;font-weight:500;color:var(--text-3);}
.plan .plan-desc{font-size:14px;color:var(--text-3);margin-bottom:22px;}
.plan ul{display:flex;flex-direction:column;gap:11px;margin-bottom:28px;}
.plan ul li{font-size:14.6px;color:var(--text-2);padding-left:22px;position:relative;}
.plan ul li::before{content:"✓";position:absolute;left:0;top:0;color:var(--primary);font-weight:700;font-size:13px;}
.plan .btn{margin-top:auto;width:100%;}

/* ---------- 评价 ---------- */
.voice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.voice{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 26px;transition:transform var(--trans),border-color var(--trans);
}
.voice:hover{transform:translateY(-4px);border-color:rgba(255,77,121,.34);}
.voice .stars{color:var(--gold);font-size:15px;letter-spacing:2px;margin-bottom:14px;}
.voice p{font-size:15px;color:var(--text-2);line-height:1.9;}
.voice-user{display:flex;align-items:center;gap:12px;margin-top:20px;padding-top:18px;border-top:1px solid var(--line);}
.avatar{
  width:42px;height:42px;border-radius:50%;flex:none;
  display:grid;place-items:center;font-weight:700;color:#fff;font-size:15px;
  background:linear-gradient(135deg,var(--accent),var(--primary));
}
.voice-user b{display:block;font-size:14.5px;font-weight:600;}
.voice-user span{font-size:12.5px;color:var(--text-3);}

/* ---------- 时间线 ---------- */
.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;position:relative;}
.tl-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px;
  transition:transform var(--trans),border-color var(--trans);
}
.tl-item:hover{transform:translateY(-4px);border-color:rgba(139,92,246,.4);}
.tl-time{font-size:13px;font-weight:700;color:var(--primary);letter-spacing:.08em;margin-bottom:12px;}
.tl-item h3{font-size:17px;font-weight:700;margin-bottom:10px;}
.tl-item p{font-size:14px;color:var(--text-2);line-height:1.8;}

/* ---------- 专栏列表 ---------- */
.article-list{display:grid;grid-template-columns:1.2fr 1fr;gap:28px;}
.article-main{
  border-radius:var(--radius-l);overflow:hidden;border:1px solid var(--line);background:var(--surface);
  transition:transform var(--trans),box-shadow var(--trans);
}
.article-main:hover{transform:translateY(-5px);box-shadow:var(--shadow);}
.article-main img{aspect-ratio:16/9;object-fit:cover;width:100%;}
.article-main .body{padding:28px;}
.article-main h3{font-size:22px;font-weight:700;margin:14px 0 12px;line-height:1.45;}
.article-main p{font-size:15px;color:var(--text-2);line-height:1.85;}
.article-side{display:flex;flex-direction:column;gap:16px;}
.article-row{
  display:flex;gap:16px;padding:16px;border-radius:var(--radius);
  background:var(--surface);border:1px solid var(--line);
  transition:transform var(--trans),border-color var(--trans),background var(--trans);
}
.article-row:hover{transform:translateX(4px);border-color:rgba(255,77,121,.35);background:var(--surface-2);}
.article-row img{width:104px;height:78px;border-radius:12px;object-fit:cover;flex:none;}
.article-row h4{font-size:15.5px;font-weight:600;line-height:1.55;margin-bottom:8px;}
.article-row span{font-size:12.5px;color:var(--text-3);}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:900px;margin:0 auto;}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;transition:border-color var(--trans),background var(--trans);
}
.faq-item[open]{border-color:rgba(255,77,121,.4);background:var(--surface-2);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:22px 26px;font-size:16.5px;font-weight:600;
  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:22px;color:var(--primary);font-weight:400;line-height:1;transition:transform var(--trans);
}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-item .faq-body{padding:0 26px 24px;color:var(--text-2);font-size:15px;line-height:1.9;}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius-xl);
  padding:64px 56px;border:1px solid rgba(255,77,121,.28);
  background-image:linear-gradient(110deg,rgba(13,11,18,.94),rgba(24,19,35,.82)),url("/assets/images/1b977ecc307ed0c1.jpg");
  background-size:cover;background-position:center;
  display:grid;grid-template-columns:1.35fr 1fr;gap:40px;align-items:center;
}
.cta-band h2{font-size:clamp(24px,3vw,34px);line-height:1.35;font-weight:800;margin-bottom:16px;}
.cta-band p{color:var(--text-2);font-size:16px;line-height:1.9;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;}

/* ---------- 合规声明 ---------- */
.notice-box{
  border-radius:var(--radius-l);border:1px solid var(--line);
  background:var(--bg-soft);padding:36px 34px;
}
.notice-box h2{font-size:22px;font-weight:700;margin-bottom:18px;}
.notice-box p{color:var(--text-2);font-size:14.8px;line-height:1.95;margin-bottom:12px;}
.notice-box strong{color:var(--primary);font-weight:700;}

/* ---------- 页脚 ---------- */
.site-footer{border-top:1px solid var(--line);background:var(--bg-soft);padding:66px 0 30px;margin-top:20px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;}
.footer-brand p{color:var(--text-3);font-size:14.4px;line-height:1.9;margin-top:16px;max-width:340px;}
.footer-col h4{font-size:15px;font-weight:700;margin-bottom:18px;color:#fff;}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a{font-size:14.4px;color:var(--text-3);}
.footer-col a:hover{color:var(--primary);}
.footer-bottom{
  margin-top:48px;padding-top:24px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13.4px;color:var(--text-3);
}
.footer-bottom a:hover{color:var(--primary);}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .stats-grid{grid-template-columns:repeat(2,1fr);}
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .channel-grid{grid-template-columns:repeat(2,1fr);}
  .feature-list{grid-template-columns:repeat(2,1fr);}
  .timeline{grid-template-columns:repeat(2,1fr);}
  .plan-grid{grid-template-columns:1fr;}
  .voice-grid{grid-template-columns:1fr;}
  .split{grid-template-columns:1fr;gap:34px;}
  .split.reverse .split-media{order:0;}
  .article-list{grid-template-columns:1fr;}
  .cta-band{grid-template-columns:1fr;padding:48px 34px;}
  .cta-actions{justify-content:flex-start;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:768px){
  .section{padding:64px 0;}
  .nav{display:none;}
  .nav-toggle{display:flex;}
  .nav-actions .btn-line{display:none;}
  .nav.open{
    display:flex;position:absolute;left:20px;right:20px;top:78px;flex-direction:column;align-items:stretch;
    background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:12px;gap:6px;
    box-shadow:var(--shadow-l);
  }
  .nav.open a{padding:12px 16px;}
  .hero{padding:66px 0 56px;}
  .hero-meta{gap:24px;}
  .grid-2,.grid-3,.grid-4,.channel-grid,.feature-list,.timeline,.tick-list{grid-template-columns:1fr;}
  .stats-grid{grid-template-columns:1fr;}
  .hero-search{flex-direction:column;align-items:stretch;}
  .hero-search .btn{width:100%;}
  .article-row img{width:88px;height:66px;}
  .footer-grid{grid-template-columns:1fr;}
}
@media (max-width:520px){
  .container{padding:0 18px;}
  .brand-sub{display:none;}
  .hero h1{font-size:27px;}
  .sec-title{font-size:23px;}
  .card{padding:24px 20px;}
  .plan{padding:28px 22px;}
  .cta-band{padding:36px 22px;}
  .notice-box{padding:26px 20px;}
  .hero-actions .btn{width:100%;}
  .hero-actions{flex-direction:column;align-items:stretch;}
}

/* roulang page: category2 */
:root{
  --bg:#0d0b12;
  --bg-soft:#141020;
  --surface:#181323;
  --surface-2:#201a2e;
  --surface-3:#2a2239;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --text:#f5f2f8;
  --text-2:#c3bbd2;
  --text-3:#8e86a1;
  --primary:#ff4d79;
  --primary-deep:#d92e5c;
  --accent:#8b5cf6;
  --accent-soft:rgba(139,92,246,.16);
  --gold:#ffb347;
  --radius-s:10px;
  --radius:16px;
  --radius-l:24px;
  --radius-xl:32px;
  --shadow-s:0 4px 14px rgba(0,0,0,.28);
  --shadow:0 16px 40px rgba(0,0,0,.42);
  --shadow-l:0 28px 70px rgba(0,0,0,.55);
  --gap:24px;
  --container:1200px;
  --trans:.28s cubic-bezier(.4,.15,.2,1);
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color var(--trans),background-color var(--trans),border-color var(--trans),opacity var(--trans),transform var(--trans);}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;border:none;background:none;}
h1,h2,h3,h4,h5{margin:0;line-height:1.32;font-weight:700;letter-spacing:-.01em;}
p{margin:0 0 14px;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px;}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:88px 0;position:relative;}
.section--tight{padding:64px 0;}
.section--soft{background:linear-gradient(180deg,rgba(139,92,246,.05),rgba(255,77,121,.03));}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.16em;font-weight:600;
  color:var(--primary);text-transform:uppercase;
  padding:6px 14px;border-radius:999px;
  background:rgba(255,77,121,.1);
  border:1px solid rgba(255,77,121,.24);
  margin-bottom:18px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--primary);}
.sec-title{font-size:clamp(24px,3vw,36px);}
.sec-desc{margin-top:16px;color:var(--text-2);font-size:16.5px;line-height:1.9;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  backdrop-filter:blur(18px);
  background:rgba(13,11,18,.82);
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px;}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-mark{
  width:42px;height:42px;border-radius:14px;
  background:linear-gradient(135deg,var(--primary),var(--accent));
  display:grid;place-items:center;
  font-weight:800;font-size:18px;color:#fff;
  box-shadow:0 8px 22px rgba(255,77,121,.32);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{font-size:19px;font-weight:800;letter-spacing:.02em;}
.brand-sub{font-size:11px;color:var(--text-3);letter-spacing:.22em;text-transform:uppercase;}
.nav{display:flex;align-items:center;gap:6px;}
.nav a{padding:9px 16px;border-radius:999px;font-size:15px;color:var(--text-2);font-weight:500;}
.nav a:hover{color:var(--text);background:rgba(255,255,255,.06);}
.nav a.active{color:#fff;background:linear-gradient(135deg,var(--primary),var(--primary-deep));box-shadow:0 8px 20px rgba(255,77,121,.28);}
.nav-actions{display:flex;align-items:center;gap:12px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;border-radius:999px;font-size:15px;font-weight:600;
  border:1px solid transparent;
  transition:transform var(--trans),box-shadow var(--trans),background var(--trans),border-color var(--trans),color var(--trans);
  white-space:nowrap;
}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;box-shadow:0 12px 28px rgba(255,77,121,.3);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 36px rgba(255,77,121,.42);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:rgba(255,255,255,.05);border-color:var(--line-strong);color:var(--text);}
.btn-ghost:hover{background:rgba(255,255,255,.1);border-color:var(--primary);color:#fff;}
.btn-line{border-color:var(--line-strong);color:var(--text-2);padding:11px 20px;}
.btn-line:hover{color:#fff;border-color:var(--primary);}
.btn-sm{padding:8px 16px;font-size:14px;}
.btn-lg{padding:14px 30px;font-size:16px;}
.nav-toggle{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line-strong);background:rgba(255,255,255,.04);align-items:center;justify-content:center;}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text);border-radius:2px;}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* ---------- 内页横幅 ---------- */
.page-banner{
  position:relative;overflow:hidden;
  padding:76px 0 68px;
  background-image:linear-gradient(102deg,rgba(13,11,18,.96) 0%,rgba(13,11,18,.86) 46%,rgba(20,16,32,.7) 100%),url("/assets/images/9baea89af8460116.jpg");
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
.page-banner::after{
  content:"";position:absolute;left:50%;bottom:-160px;width:760px;height:320px;
  transform:translateX(-50%);
  background:radial-gradient(ellipse at center,rgba(255,77,121,.22),transparent 70%);
  pointer-events:none;
}
.banner-inner{position:relative;z-index:2;max-width:820px;margin:0 auto;text-align:center;}
.crumb{display:flex;align-items:center;justify-content:center;gap:10px;font-size:14px;color:var(--text-3);margin-bottom:20px;}
.crumb a:hover{color:var(--primary);}
.crumb span{color:var(--text-2);}
.page-banner h1{font-size:clamp(28px,4vw,46px);line-height:1.25;font-weight:800;letter-spacing:-.02em;margin-bottom:20px;}
.page-banner h1 em{font-style:normal;background:linear-gradient(120deg,var(--primary),var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent;}
.banner-lead{color:var(--text-2);font-size:17px;line-height:1.9;max-width:700px;margin:0 auto;}
.banner-tags{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-top:28px;}
.pill{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 15px;border-radius:999px;font-size:13.5px;color:var(--text-2);
  background:rgba(255,255,255,.05);border:1px solid var(--line);
}
.pill i{width:6px;height:6px;border-radius:50%;background:var(--accent);display:inline-block;}

/* ---------- 概览数据 ---------- */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap);}
.stat{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-l);
  padding:28px 24px;transition:transform var(--trans),border-color var(--trans),box-shadow var(--trans);
}
.stat:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:var(--shadow);}
.stat-num{font-size:clamp(26px,3vw,38px);font-weight:800;letter-spacing:-.02em;
  background:linear-gradient(120deg,var(--primary),var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent;}
.stat-label{margin-top:6px;font-size:15px;color:var(--text);font-weight:600;}
.stat-note{margin-top:6px;font-size:13.5px;color:var(--text-3);line-height:1.7;}

/* ---------- 圈子卡片 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap);}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-l);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform var(--trans),border-color var(--trans),box-shadow var(--trans);
}
.card:hover{transform:translateY(-6px);border-color:var(--line-strong);box-shadow:var(--shadow);}
.card-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--surface-2);}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .55s cubic-bezier(.4,.15,.2,1);}
.card:hover .card-media img{transform:scale(1.06);}
.card-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(13,11,18,.72));}
.card-badge{
  position:absolute;top:14px;left:14px;z-index:3;
  padding:5px 12px;border-radius:999px;font-size:12.5px;font-weight:600;
  color:#fff;background:rgba(255,77,121,.88);backdrop-filter:blur(6px);
}
.card-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-title{font-size:18px;font-weight:700;}
.card-text{font-size:14.5px;color:var(--text-2);line-height:1.8;}
.card-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  padding-top:14px;border-top:1px solid var(--line);font-size:13px;color:var(--text-3);}

/* ---------- 主题标签墙 ---------- */
.topic-panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-xl);padding:36px 34px;}
.topic-cloud{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:30px;}
.tag{
  padding:9px 18px;border-radius:999px;font-size:14px;color:var(--text-2);
  background:var(--surface-2);border:1px solid var(--line);
  transition:all var(--trans);
}
.tag:hover{color:#fff;border-color:var(--primary);background:rgba(255,77,121,.14);transform:translateY(-2px);}
.tag--hot{color:#fff;background:linear-gradient(135deg,rgba(255,77,121,.9),rgba(139,92,246,.9));border-color:transparent;}
.topic-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px 32px;}
.topic-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--text-2);line-height:1.8;}
.topic-list b{color:var(--text);font-weight:700;}
.topic-list i{
  flex:none;width:22px;height:22px;border-radius:8px;margin-top:5px;
  display:grid;place-items:center;font-size:12px;font-style:normal;
  background:var(--accent-soft);color:#c9b6ff;
}

/* ---------- 热议列表 ---------- */
.hot-list{display:flex;flex-direction:column;gap:16px;}
.hot-item{
  display:grid;grid-template-columns:132px 1fr auto;gap:20px;align-items:center;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:16px;transition:transform var(--trans),border-color var(--trans),box-shadow var(--trans);
}
.hot-item:hover{transform:translateX(6px);border-color:var(--line-strong);box-shadow:var(--shadow-s);}
.hot-thumb{width:132px;height:88px;border-radius:var(--radius-s);overflow:hidden;background:var(--surface-2);}
.hot-thumb img{width:100%;height:100%;object-fit:cover;}
.hot-title{font-size:17px;font-weight:700;margin-bottom:6px;}
.hot-desc{font-size:14px;color:var(--text-3);line-height:1.75;}
.hot-info{text-align:right;font-size:13px;color:var(--text-3);white-space:nowrap;}
.hot-info strong{display:block;font-size:20px;font-weight:800;color:var(--primary);}

/* ---------- 创作者 ---------- */
.creator-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap);}
.creator{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-l);
  padding:26px;transition:transform var(--trans),border-color var(--trans),box-shadow var(--trans);
}
.creator:hover{transform:translateY(-6px);border-color:var(--line-strong);box-shadow:var(--shadow);}
.creator-top{display:flex;align-items:center;gap:14px;margin-bottom:16px;}
.creator-avatar{width:56px;height:56px;border-radius:18px;overflow:hidden;flex:none;border:1px solid var(--line-strong);}
.creator-avatar img{width:100%;height:100%;object-fit:cover;}
.creator-name{font-size:17px;font-weight:700;}
.creator-role{font-size:13px;color:var(--text-3);}
.creator-text{font-size:14.5px;color:var(--text-2);line-height:1.85;}
.creator-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.creator-tags span{font-size:12.5px;padding:4px 11px;border-radius:999px;background:var(--surface-2);color:var(--text-3);border:1px solid var(--line);}

/* ---------- 守则 / 隐私 ---------- */
.guard-wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;}
.guard-media{border-radius:var(--radius-xl);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-l);position:relative;}
.guard-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;}
.guard-media::after{content:"";position:absolute;inset:0;background:linear-gradient(200deg,rgba(139,92,246,.18),rgba(13,11,18,.5));}
.check-list{display:grid;gap:16px;margin-top:26px;}
.check-list li{display:flex;gap:14px;align-items:flex-start;}
.check-list i{
  flex:none;width:26px;height:26px;border-radius:9px;margin-top:3px;
  display:grid;place-items:center;font-size:13px;font-style:normal;font-weight:700;
  background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;
}
.check-list b{display:block;font-size:16px;color:var(--text);}
.check-list p{font-size:14.5px;color:var(--text-2);line-height:1.8;margin:4px 0 0;}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;max-width:920px;margin:0 auto;}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:0;overflow:hidden;transition:border-color var(--trans),box-shadow var(--trans);
}
.faq-item[open]{border-color:rgba(255,77,121,.4);box-shadow:var(--shadow-s);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 24px;
  font-size:16.5px;font-weight:600;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:none;width:28px;height:28px;border-radius:50%;
  display:grid;place-items:center;font-size:18px;font-weight:400;
  background:var(--surface-2);color:var(--primary);transition:transform var(--trans);
}
.faq-item[open] summary::after{content:"−";transform:rotate(180deg);}
.faq-item summary:hover{color:var(--primary);}
.faq-body{padding:0 24px 22px;color:var(--text-2);font-size:15px;line-height:1.9;}

/* ---------- 时间线 ---------- */
.timeline{position:relative;padding-left:34px;display:grid;gap:26px;}
.timeline::before{content:"";position:absolute;left:9px;top:8px;bottom:8px;width:2px;background:linear-gradient(180deg,var(--primary),var(--accent),transparent);}
.timeline li{position:relative;}
.timeline li::before{
  content:"";position:absolute;left:-33px;top:8px;width:12px;height:12px;border-radius:50%;
  background:var(--bg);border:2px solid var(--primary);box-shadow:0 0 0 4px rgba(255,77,121,.12);
}
.tl-date{font-size:13px;letter-spacing:.08em;color:var(--primary);font-weight:600;}
.tl-title{font-size:17px;font-weight:700;margin:4px 0 6px;}
.tl-text{font-size:14.5px;color:var(--text-2);line-height:1.85;}

/* ---------- 行动区 ---------- */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:var(--radius-xl);
  padding:60px 48px;
  background-image:linear-gradient(110deg,rgba(13,11,18,.94),rgba(13,11,18,.72) 55%,rgba(139,92,246,.42)),url("/assets/images/5a36edc80c1074a0.webp");
  background-size:cover;background-position:center;
  border:1px solid var(--line-strong);
  text-align:center;
}
.cta-band h2{font-size:clamp(24px,3.2vw,36px);margin-bottom:16px;}
.cta-band p{max-width:660px;margin:0 auto 30px;color:var(--text-2);font-size:16.5px;line-height:1.9;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;}
.anchor{display:block;position:relative;top:-84px;visibility:hidden;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg-soft);border-top:1px solid var(--line);padding:64px 0 28px;margin-top:20px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;}
.footer-brand p{margin-top:18px;font-size:14.5px;color:var(--text-3);line-height:1.9;max-width:340px;}
.footer-col h4{font-size:15px;margin-bottom:16px;color:var(--text);}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{font-size:14.5px;color:var(--text-3);}
.footer-col a:hover{color:var(--primary);}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13.5px;color:var(--text-3);
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .nav{
    position:fixed;top:72px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:4px;
    background:rgba(13,11,18,.98);
    border-bottom:1px solid var(--line);
    padding:14px 24px 22px;
    transform:translateY(-14px);opacity:0;pointer-events:none;
    transition:transform var(--trans),opacity var(--trans);
  }
  .nav.open{transform:translateY(0);opacity:1;pointer-events:auto;}
  .nav a{padding:13px 16px;border-radius:12px;}
  .nav-toggle{display:inline-flex;}
  .nav-actions .btn-line{display:none;}
  .card-grid,.creator-grid{grid-template-columns:repeat(2,1fr);}
  .stat-grid{grid-template-columns:repeat(2,1fr);}
  .guard-wrap{grid-template-columns:1fr;gap:30px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .topic-list{grid-template-columns:1fr;}
}
@media (max-width:768px){
  .section{padding:62px 0;}
  .section--tight{padding:48px 0;}
  .container{padding:0 18px;}
  .nav-wrap{height:64px;}
  .nav{top:64px;}
  .page-banner{padding:56px 0 48px;}
  .card-grid,.creator-grid{grid-template-columns:1fr;}
  .hot-item{grid-template-columns:1fr;gap:14px;}
  .hot-thumb{width:100%;height:170px;}
  .hot-info{text-align:left;}
  .hot-info strong{display:inline;font-size:15px;margin-right:6px;}
  .topic-panel{padding:26px 22px;}
  .cta-band{padding:44px 24px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
}
@media (max-width:520px){
  body{font-size:15.5px;}
  .stat-grid{grid-template-columns:1fr;}
  .brand-sub{display:none;}
  .brand-name{font-size:17px;}
  .btn{padding:10px 18px;font-size:14.5px;}
  .btn-lg{padding:12px 22px;font-size:15px;}
  .cta-actions .btn{width:100%;}
  .banner-tags{gap:8px;}
  .pill{font-size:13px;padding:6px 12px;}
  .footer-bottom{flex-direction:column;}
}

/* roulang page: category1 */
:root{
 --bg:#0d0b12;
 --bg-soft:#141020;
 --surface:#181323;
 --surface-2:#201a2e;
 --surface-3:#2a2239;
 --line:rgba(255,255,255,.08);
 --line-strong:rgba(255,255,255,.16);
 --text:#f5f2f8;
 --text-2:#c3bbd2;
 --text-3:#8e86a1;
 --primary:#ff4d79;
 --primary-deep:#d92e5c;
 --accent:#8b5cf6;
 --accent-soft:rgba(139,92,246,.16);
 --gold:#ffb347;
 --radius-s:10px;
 --radius:16px;
 --radius-l:24px;
 --radius-xl:32px;
 --shadow-s:0 4px 14px rgba(0,0,0,.28);
 --shadow:0 16px 40px rgba(0,0,0,.42);
 --shadow-l:0 28px 70px rgba(0,0,0,.55);
 --gap:24px;
 --container:1200px;
 --trans:.28s cubic-bezier(.4,.15,.2,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
 margin:0;
 background:var(--bg);
 color:var(--text);
 font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Helvetica Neue",Arial,sans-serif;
 font-size:16px;
 line-height:1.75;
 letter-spacing:.01em;
 -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color var(--trans),background-color var(--trans),border-color var(--trans),opacity var(--trans),transform var(--trans);}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;border:none;background:none;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.34;letter-spacing:-.01em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:8px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:88px 0;position:relative;}
.section--tight{padding:60px 0;}
.section--soft{background:linear-gradient(180deg,rgba(139,92,246,.06),rgba(255,77,121,.03));}
.section--edge{border-top:1px solid var(--line);}
.eyebrow{
 display:inline-flex;align-items:center;gap:8px;
 font-size:13px;letter-spacing:.16em;font-weight:600;
 color:var(--primary);text-transform:uppercase;
 padding:6px 14px;border-radius:999px;
 background:rgba(255,77,121,.1);
 border:1px solid rgba(255,77,121,.24);
 margin-bottom:18px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--primary);}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;margin-bottom:42px;flex-wrap:wrap;}
.sec-title{font-size:clamp(24px,3vw,36px);line-height:1.32;font-weight:700;letter-spacing:-.01em;}
.sec-desc{margin-top:12px;color:var(--text-2);font-size:15.5px;max-width:640px;}
.sec-link{font-size:14.5px;font-weight:600;color:var(--text-2);border-bottom:1px solid var(--line-strong);padding-bottom:4px;white-space:nowrap;}
.sec-link:hover{color:var(--primary);border-color:var(--primary);}
/* ---------- 顶部导航 ---------- */
.site-header{
 position:sticky;top:0;z-index:80;
 backdrop-filter:blur(18px);
 background:rgba(13,11,18,.82);
 border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px;}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-mark{
 width:42px;height:42px;border-radius:14px;
 background:linear-gradient(135deg,var(--primary),var(--accent));
 display:grid;place-items:center;
 font-weight:800;font-size:18px;color:#fff;
 box-shadow:0 8px 22px rgba(255,77,121,.32);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{font-size:19px;font-weight:800;letter-spacing:.02em;}
.brand-sub{font-size:11px;color:var(--text-3);letter-spacing:.22em;text-transform:uppercase;}
.nav{display:flex;align-items:center;gap:6px;}
.nav a{padding:9px 16px;border-radius:999px;font-size:15px;color:var(--text-2);font-weight:500;}
.nav a:hover{color:var(--text);background:rgba(255,255,255,.06);}
.nav a.active{color:#fff;background:linear-gradient(135deg,var(--primary),var(--primary-deep));box-shadow:0 8px 20px rgba(255,77,121,.28);}
.nav-actions{display:flex;align-items:center;gap:12px;}
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:11px 22px;border-radius:999px;font-size:15px;font-weight:600;
 border:1px solid transparent;
 transition:transform var(--trans),box-shadow var(--trans),background var(--trans),border-color var(--trans),color var(--trans);
 white-space:nowrap;
}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;box-shadow:0 12px 28px rgba(255,77,121,.3);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 36px rgba(255,77,121,.42);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:rgba(255,255,255,.05);border-color:var(--line-strong);color:var(--text);}
.btn-ghost:hover{background:rgba(255,255,255,.1);border-color:var(--primary);color:#fff;}
.btn-line{border-color:var(--line-strong);color:var(--text-2);padding:11px 20px;}
.btn-line:hover{color:#fff;border-color:var(--primary);}
.btn-sm{padding:8px 16px;font-size:14px;}
.btn-lg{padding:15px 32px;font-size:16.5px;}
.nav-toggle{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line-strong);background:rgba(255,255,255,.04);align-items:center;justify-content:center;}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text);border-radius:2px;}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
/* ---------- 内页首屏 ---------- */
.page-hero{
 position:relative;overflow:hidden;
 padding:78px 0 72px;
 background-image:linear-gradient(102deg,rgba(13,11,18,.97) 0%,rgba(13,11,18,.88) 46%,rgba(20,16,32,.7) 100%),url("/assets/images/47eda0e79fbb75dc.webp");
 background-size:cover;background-position:center;
 border-bottom:1px solid var(--line);
}
.page-hero::after{
 content:"";position:absolute;left:-10%;right:-10%;bottom:-70%;height:340px;
 background:radial-gradient(ellipse at center,rgba(139,92,246,.28),transparent 70%);
 pointer-events:none;
}
.page-hero .container{position:relative;z-index:2;}
.crumb{display:flex;align-items:center;gap:10px;font-size:13.5px;color:var(--text-3);margin-bottom:20px;flex-wrap:wrap;}
.crumb a:hover{color:var(--primary);}
.crumb span{opacity:.5;}
.page-hero h1{font-size:clamp(28px,4.2vw,48px);line-height:1.22;font-weight:800;max-width:900px;margin-bottom:20px;}
.page-hero h1 em{font-style:normal;background:linear-gradient(120deg,var(--primary),var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent;}
.page-hero .lead{font-size:16.5px;color:var(--text-2);max-width:800px;line-height:1.95;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.tag{
 display:inline-flex;align-items:center;gap:8px;
 padding:7px 15px;border-radius:999px;font-size:13.5px;color:var(--text-2);
 background:rgba(255,255,255,.045);border:1px solid var(--line);
}
.tag i{width:6px;height:6px;border-radius:50%;background:var(--primary);display:inline-block;}
.tag:nth-child(2n) i{background:var(--accent);}
.stat-row{
 display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
 margin-top:46px;border-radius:var(--radius-l);overflow:hidden;
 background:var(--line);border:1px solid var(--line);
}
.stat-cell{background:rgba(24,19,35,.86);padding:24px 26px;}
.stat-cell b{display:block;font-size:clamp(22px,2.6vw,30px);font-weight:800;background:linear-gradient(120deg,#fff,var(--text-2));-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1.2;}
.stat-cell span{display:block;margin-top:6px;font-size:13.5px;color:var(--text-3);}
/* ---------- 网格 ---------- */
.grid{display:grid;gap:var(--gap);}
.grid-2{grid-template-columns:repeat(2,1fr);}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}
/* ---------- 卡片 ---------- */
.card{
 background:var(--surface);
 border:1px solid var(--line);
 border-radius:var(--radius-l);
 overflow:hidden;
 display:flex;flex-direction:column;
 transition:transform var(--trans),border-color var(--trans),box-shadow var(--trans);
}
.card:hover{transform:translateY(-6px);border-color:rgba(255,77,121,.4);box-shadow:var(--shadow);}
.card-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--surface-2);}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .55s cubic-bezier(.4,.15,.2,1);}
.card:hover .card-media img{transform:scale(1.06);}
.card-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(13,11,18,0) 42%,rgba(13,11,18,.78) 100%);}
.card-media .badge{position:absolute;z-index:2;left:14px;top:14px;}
.card-media .media-meta{position:absolute;z-index:2;right:14px;bottom:12px;font-size:12.5px;color:var(--text-2);background:rgba(13,11,18,.6);border:1px solid var(--line);border-radius:999px;padding:3px 11px;backdrop-filter:blur(6px);}
.card-body{padding:22px 24px 26px;display:flex;flex-direction:column;flex:1;}
.card-body h3{font-size:19px;margin-bottom:10px;}
.card-body p{color:var(--text-2);font-size:14.6px;line-height:1.85;}
.card-foot{margin-top:auto;padding-top:18px;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13.5px;color:var(--text-3);}
.badge{
 display:inline-flex;align-items:center;gap:6px;
 padding:5px 12px;border-radius:999px;font-size:12.5px;font-weight:600;
 background:rgba(255,77,121,.16);color:#ffb9cd;border:1px solid rgba(255,77,121,.32);
 backdrop-filter:blur(6px);
}
.badge--accent{background:var(--accent-soft);color:#c9b6ff;border-color:rgba(139,92,246,.34);}
.badge--gold{background:rgba(255,179,71,.14);color:#ffd79a;border-color:rgba(255,179,71,.3);}
.badge--plain{background:rgba(255,255,255,.06);color:var(--text-2);border-color:var(--line-strong);}
/* ---------- 分区矩阵 ---------- */
.chip-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.chip-card{
 position:relative;display:block;border-radius:var(--radius-l);overflow:hidden;
 border:1px solid var(--line);background:var(--surface-2);
 min-height:178px;
 transition:transform var(--trans),border-color var(--trans),box-shadow var(--trans);
}
.chip-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.5;transition:transform .55s,opacity var(--trans);}
.chip-card::after{content:"";position:absolute;inset:0;background:linear-gradient(160deg,rgba(13,11,18,.72),rgba(13,11,18,.92));}
.chip-card .chip-inner{position:relative;z-index:2;padding:22px;height:100%;display:flex;flex-direction:column;justify-content:flex-end;gap:6px;}
.chip-card h3{font-size:17.5px;}
.chip-card p{font-size:13.4px;color:var(--text-2);line-height:1.7;}
.chip-card:hover{transform:translateY(-6px);border-color:rgba(139,92,246,.45);box-shadow:var(--shadow);}
.chip-card:hover img{transform:scale(1.08);opacity:.66;}
/* ---------- 热播榜单 ---------- */
.rank-list{display:flex;flex-direction:column;gap:14px;}
.rank-item{
 display:grid;grid-template-columns:64px 132px 1fr auto;gap:22px;align-items:center;
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:16px 22px 16px 18px;
 transition:transform var(--trans),border-color var(--trans),background var(--trans);
}
.rank-item:hover{transform:translateX(6px);border-color:rgba(255,77,121,.35);background:var(--surface-2);}
.rank-num{
 font-size:24px;font-weight:800;line-height:1;
 background:linear-gradient(140deg,var(--primary),var(--accent));
 -webkit-background-clip:text;background-clip:text;color:transparent;
 font-variant-numeric:tabular-nums;
}
.rank-thumb{border-radius:var(--radius-s);overflow:hidden;aspect-ratio:16/10;background:var(--surface-3);}
.rank-thumb img{width:100%;height:100%;object-fit:cover;}
.rank-info h3{font-size:16.5px;margin-bottom:6px;}
.rank-info p{font-size:13.6px;color:var(--text-3);}
.rank-tags{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end;}
/* ---------- 图文区块 ---------- */
.split{display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:center;}
.split--reverse .split-media{order:2;}
.split-media{position:relative;border-radius:var(--radius-xl);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);}
.split-media img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.split-media::after{content:"";position:absolute;inset:0;background:linear-gradient(200deg,rgba(13,11,18,0) 40%,rgba(13,11,18,.7) 100%);}
.split-media .float-card{
 position:absolute;z-index:2;left:22px;bottom:22px;
 background:rgba(13,11,18,.72);border:1px solid var(--line-strong);
 border-radius:var(--radius);padding:14px 20px;backdrop-filter:blur(10px);
}
.split-media .float-card b{display:block;font-size:20px;font-weight:800;}
.split-media .float-card span{font-size:12.8px;color:var(--text-3);}
.feature-list{display:flex;flex-direction:column;gap:16px;margin-top:26px;}
.feature-item{display:flex;gap:14px;align-items:flex-start;}
.feature-icon{
 flex-shrink:0;width:38px;height:38px;border-radius:12px;
 background:var(--accent-soft);border:1px solid rgba(139,92,246,.32);
 display:grid;place-items:center;font-size:14px;font-weight:800;color:#c9b6ff;
}
.feature-item h4{font-size:16px;margin-bottom:5px;}
.feature-item p{font-size:14.4px;color:var(--text-2);line-height:1.8;}
/* ---------- 时间轴 ---------- */
.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.tl-item{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:24px 22px;position:relative;overflow:hidden;
 transition:border-color var(--trans),transform var(--trans);
}
.tl-item:hover{border-color:rgba(255,179,71,.36);transform:translateY(-4px);}
.tl-item::before{content:"";position:absolute;left:0;top:0;width:100%;height:3px;background:linear-gradient(90deg,var(--primary),var(--accent));opacity:.8;}
.tl-time{font-size:13px;letter-spacing:.1em;color:var(--gold);font-weight:700;margin-bottom:10px;}
.tl-item h3{font-size:16.5px;margin-bottom:8px;}
.tl-item p{font-size:14px;color:var(--text-2);line-height:1.8;}
/* ---------- 口碑 ---------- */
.quote-card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-l);
 padding:28px 26px;display:flex;flex-direction:column;gap:18px;height:100%;
 transition:transform var(--trans),border-color var(--trans);
}
.quote-card:hover{transform:translateY(-5px);border-color:rgba(139,92,246,.4);}
.quote-card .quote-text{font-size:15px;color:var(--text-2);line-height:1.9;}
.quote-user{display:flex;align-items:center;gap:12px;margin-top:auto;}
.quote-avatar{
 width:42px;height:42px;border-radius:50%;flex-shrink:0;
 background:linear-gradient(135deg,var(--accent),var(--primary));
 display:grid;place-items:center;font-weight:800;color:#fff;font-size:16px;
}
.quote-user b{display:block;font-size:14.6px;}
.quote-user span{font-size:12.8px;color:var(--text-3);}
/* ---------- FAQ ---------- */
.faq{display:flex;flex-direction:column;gap:14px;max-width:920px;}
.faq details{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:20px 24px;transition:border-color var(--trans),background var(--trans);
}
.faq details[open]{border-color:rgba(255,77,121,.34);background:var(--surface-2);}
.faq summary{
 list-style:none;cursor:pointer;font-size:16.5px;font-weight:600;
 display:flex;align-items:center;justify-content:space-between;gap:18px;
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::after{
 content:"+";font-size:20px;font-weight:700;color:var(--primary);
 transition:transform var(--trans);line-height:1;
}
.faq details[open] summary::after{transform:rotate(45deg);}
.faq p{margin-top:14px;font-size:14.8px;color:var(--text-2);line-height:1.9;}
/* ---------- 转化区 ---------- */
.cta-band{
 position:relative;overflow:hidden;border-radius:var(--radius-xl);
 border:1px solid var(--line-strong);
 padding:56px 52px;
 background-image:linear-gradient(115deg,rgba(13,11,18,.95),rgba(38,17,42,.88)),url("/assets/images/a645da2ca163571b.jpg");
 background-size:cover;background-position:center;
 box-shadow:var(--shadow-l);
}
.cta-band::after{
 content:"";position:absolute;right:-8%;top:-40%;width:420px;height:420px;border-radius:50%;
 background:radial-gradient(circle,rgba(255,77,121,.3),transparent 68%);
 pointer-events:none;
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center;}
.cta-inner h2{font-size:clamp(23px,2.8vw,32px);margin-bottom:16px;}
.cta-inner p{color:var(--text-2);font-size:15.4px;line-height:1.9;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.benefit-box{
 background:rgba(13,11,18,.62);border:1px solid var(--line-strong);border-radius:var(--radius-l);
 padding:26px 24px;backdrop-filter:blur(8px);
}
.benefit-box h3{font-size:16.5px;margin-bottom:16px;color:#fff;}
.benefit-box ul{display:flex;flex-direction:column;gap:12px;}
.benefit-box li{display:flex;gap:10px;align-items:flex-start;font-size:14.2px;color:var(--text-2);line-height:1.7;}
.benefit-box li::before{content:"✓";color:var(--primary);font-weight:800;flex-shrink:0;}
/* ---------- 页脚 ---------- */
.site-footer{margin-top:20px;border-top:1px solid var(--line);background:var(--bg-soft);padding:64px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;}
.footer-brand p{margin-top:18px;color:var(--text-2);font-size:14.2px;line-height:1.9;max-width:340px;}
.footer-col h4{font-size:15px;margin-bottom:16px;color:#fff;letter-spacing:.04em;}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a{font-size:14.2px;color:var(--text-2);}
.footer-col a:hover{color:var(--primary);}
.footer-bottom{
 margin-top:48px;padding-top:22px;border-top:1px solid var(--line);
 display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
 font-size:13.2px;color:var(--text-3);
}
/* ---------- 响应式 ---------- */
@media (max-width:1024px){
 .grid-4{grid-template-columns:repeat(2,1fr);}
 .chip-grid{grid-template-columns:repeat(3,1fr);}
 .timeline{grid-template-columns:repeat(2,1fr);}
 .split{gap:36px;}
 .cta-inner{grid-template-columns:1fr;}
 .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
 .stat-row{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:860px){
 .nav{display:none;}
 .nav-toggle{display:flex;}
 body.nav-open .nav{
  display:flex;flex-direction:column;align-items:stretch;gap:6px;
  position:absolute;left:0;right:0;top:72px;
  background:rgba(13,11,18,.98);border-bottom:1px solid var(--line);
  padding:16px 24px 22px;backdrop-filter:blur(18px);
 }
 body.nav-open .nav a{padding:12px 16px;border-radius:12px;}
 .nav-actions .btn-line{display:none;}
 .grid-3{grid-template-columns:repeat(2,1fr);}
 .chip-grid{grid-template-columns:repeat(2,1fr);}
 .split{grid-template-columns:1fr;}
 .split--reverse .split-media{order:0;}
 .rank-item{grid-template-columns:44px 104px 1fr;gap:16px;padding:14px 16px;}
 .rank-tags{grid-column:2 / -1;justify-content:flex-start;}
 .cta-band{padding:40px 26px;}
 .section{padding:66px 0;}
 .footer-grid{grid-template-columns:1fr;}
}
@media (max-width:520px){
 .container{padding:0 18px;}
 .grid-2,.grid-3,.grid-4,.chip-grid,.timeline,.stat-row{grid-template-columns:1fr;}
 .page-hero{padding:56px 0 52px;}
 .nav-wrap{height:66px;}
 .brand-mark{width:38px;height:38px;font-size:16px;}
 .brand-name{font-size:17px;}
 .nav-actions .btn-sm{padding:7px 13px;font-size:13px;}
 .sec-head{margin-bottom:30px;}
 .card-body{padding:18px 18px 22px;}
 .rank-item{grid-template-columns:38px 1fr;gap:14px;}
 .rank-thumb{grid-column:2;}
 .rank-info{grid-column:2;}
 .rank-tags{grid-column:2;}
 .cta-band{padding:34px 20px;border-radius:var(--radius-l);}
 .cta-actions .btn{width:100%;}
}

/* roulang page: category3 */
:root{
 --bg:#0d0b12;
 --bg-soft:#141020;
 --surface:#181323;
 --surface-2:#201a2e;
 --surface-3:#2a2239;
 --line:rgba(255,255,255,.08);
 --line-strong:rgba(255,255,255,.16);
 --text:#f5f2f8;
 --text-2:#c3bbd2;
 --text-3:#8e86a1;
 --primary:#ff4d79;
 --primary-deep:#d92e5c;
 --accent:#8b5cf6;
 --accent-soft:rgba(139,92,246,.16);
 --gold:#ffb347;
 --radius-s:10px;
 --radius:16px;
 --radius-l:24px;
 --radius-xl:32px;
 --shadow-s:0 4px 14px rgba(0,0,0,.28);
 --shadow:0 16px 40px rgba(0,0,0,.42);
 --shadow-l:0 28px 70px rgba(0,0,0,.55);
 --gap:24px;
 --container:1200px;
 --trans:.28s cubic-bezier(.4,.15,.2,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
 margin:0;
 background:var(--bg);
 color:var(--text);
 font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Helvetica Neue",Arial,sans-serif;
 font-size:16px;
 line-height:1.75;
 letter-spacing:.01em;
 -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color var(--trans),background-color var(--trans),border-color var(--trans),opacity var(--trans),transform var(--trans);}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;border:none;background:none;}
h1,h2,h3,h4,p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:88px 0;position:relative;}
.section--tight{padding:64px 0;}
.section--soft{background:linear-gradient(180deg,rgba(139,92,246,.05),rgba(255,77,121,.03));}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;flex-wrap:wrap;margin-bottom:42px;}
.section-head .sec-title{max-width:720px;}
.eyebrow{
 display:inline-flex;align-items:center;gap:8px;
 font-size:13px;letter-spacing:.16em;font-weight:600;
 color:var(--primary);text-transform:uppercase;
 padding:6px 14px;border-radius:999px;
 background:rgba(255,77,121,.1);
 border:1px solid rgba(255,77,121,.24);
 margin-bottom:18px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--primary);}
.sec-title{font-size:clamp(24px,3vw,36px);line-height:1.32;font-weight:700;letter-spacing:-.01em;}
.sec-sub{color:var(--text-2);font-size:15.5px;max-width:680px;margin-top:14px;}
.muted{color:var(--text-3);}

/* ---------- 顶部导航 ---------- */
.site-header{
 position:sticky;top:0;z-index:80;
 backdrop-filter:blur(18px);
 background:rgba(13,11,18,.82);
 border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px;position:relative;}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-mark{
 width:42px;height:42px;border-radius:14px;
 background:linear-gradient(135deg,var(--primary),var(--accent));
 display:grid;place-items:center;
 font-weight:800;font-size:18px;color:#fff;
 box-shadow:0 8px 22px rgba(255,77,121,.32);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{font-size:19px;font-weight:800;letter-spacing:.02em;}
.brand-sub{font-size:11px;color:var(--text-3);letter-spacing:.22em;text-transform:uppercase;}
.nav{display:flex;align-items:center;gap:6px;}
.nav a{padding:9px 16px;border-radius:999px;font-size:15px;color:var(--text-2);font-weight:500;}
.nav a:hover{color:var(--text);background:rgba(255,255,255,.06);}
.nav a.active{color:#fff;background:linear-gradient(135deg,var(--primary),var(--primary-deep));box-shadow:0 8px 20px rgba(255,77,121,.28);}
.nav-actions{display:flex;align-items:center;gap:12px;}
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:11px 22px;border-radius:999px;font-size:15px;font-weight:600;
 border:1px solid transparent;
 transition:transform var(--trans),box-shadow var(--trans),background var(--trans),border-color var(--trans),color var(--trans);
 white-space:nowrap;
}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;box-shadow:0 12px 28px rgba(255,77,121,.3);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 36px rgba(255,77,121,.42);color:#fff;}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:rgba(255,255,255,.05);border-color:var(--line-strong);color:var(--text);}
.btn-ghost:hover{background:rgba(255,255,255,.1);border-color:var(--primary);color:#fff;}
.btn-line{border-color:var(--line-strong);color:var(--text-2);padding:11px 20px;}
.btn-line:hover{color:#fff;border-color:var(--primary);}
.btn-sm{padding:8px 16px;font-size:14px;}
.nav-toggle{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line-strong);background:rgba(255,255,255,.04);align-items:center;justify-content:center;}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text);border-radius:2px;}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* ---------- 内页首屏 ---------- */
.page-hero{
 position:relative;overflow:hidden;
 padding:78px 0 66px;
 background-image:linear-gradient(100deg,rgba(13,11,18,.96) 0%,rgba(13,11,18,.86) 44%,rgba(20,16,32,.7) 100%),url("/assets/images/47eda0e79fbb75dc.webp");
 background-size:cover;background-position:center;
 border-bottom:1px solid var(--line);
}
.page-hero::after{
 content:"";position:absolute;inset:auto -10% -58% -10%;height:320px;
 background:radial-gradient(ellipse at center,rgba(139,92,246,.26),transparent 70%);
 pointer-events:none;
}
.page-hero .container{position:relative;z-index:2;}
.crumb{display:flex;align-items:center;gap:10px;font-size:13.5px;color:var(--text-3);margin-bottom:22px;}
.crumb a:hover{color:var(--primary);}
.crumb span{opacity:.5;}
.hero-title{font-size:clamp(28px,4.2vw,48px);line-height:1.24;font-weight:800;letter-spacing:-.02em;max-width:880px;}
.hero-title em{
 font-style:normal;
 background:linear-gradient(120deg,var(--primary),var(--accent));
 -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{font-size:17px;line-height:1.92;color:var(--text-2);max-width:780px;margin-top:22px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:12px;margin:28px 0 34px;}
.tag-chip{
 display:inline-flex;align-items:center;gap:8px;
 padding:8px 16px;border-radius:999px;font-size:14px;color:var(--text-2);
 background:rgba(255,255,255,.045);border:1px solid var(--line);
}
.tag-chip i{width:6px;height:6px;border-radius:50%;background:var(--accent);display:inline-block;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ---------- 数据条 ---------- */
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap);}
.stat-card{
 background:var(--surface);
 border:1px solid var(--line);
 border-radius:var(--radius-l);
 padding:28px 26px;
 transition:transform var(--trans),border-color var(--trans),box-shadow var(--trans);
}
.stat-card:hover{transform:translateY(-4px);border-color:rgba(255,77,121,.4);box-shadow:var(--shadow);}
.stat-num{
 font-size:34px;font-weight:800;letter-spacing:-.02em;
 background:linear-gradient(120deg,var(--primary),var(--accent));
 -webkit-background-clip:text;background-clip:text;color:transparent;
 line-height:1.2;
}
.stat-label{font-size:15px;font-weight:600;margin-top:10px;}
.stat-desc{font-size:13.8px;color:var(--text-3);margin-top:8px;line-height:1.7;}

/* ---------- 频道矩阵 ---------- */
.channel-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap);}
.channel-card{
 display:block;background:var(--surface);border:1px solid var(--line);
 border-radius:var(--radius-l);overflow:hidden;
 transition:transform var(--trans),box-shadow var(--trans),border-color var(--trans);
}
.channel-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:rgba(255,77,121,.45);}
.channel-media{aspect-ratio:16/10;overflow:hidden;}
.channel-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.channel-card:hover .channel-media img{transform:scale(1.06);}
.channel-body{padding:22px 22px 26px;}
.channel-body h3{font-size:18px;font-weight:700;}
.channel-body p{font-size:14.2px;color:var(--text-3);margin-top:10px;line-height:1.72;}
.channel-more{display:inline-flex;align-items:center;gap:6px;font-size:13.5px;color:var(--primary);margin-top:16px;font-weight:600;}

/* ---------- 话题卡片 ---------- */
.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap);}
.topic-card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-l);
 overflow:hidden;display:flex;flex-direction:column;
 transition:transform var(--trans),box-shadow var(--trans),border-color var(--trans);
}
.topic-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:rgba(139,92,246,.45);}
.topic-media{aspect-ratio:16/9;overflow:hidden;position:relative;}
.topic-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.topic-card:hover .topic-media img{transform:scale(1.06);}
.topic-badge{
 position:absolute;left:14px;top:14px;
 padding:5px 12px;border-radius:999px;font-size:12.5px;font-weight:600;color:#fff;
 background:rgba(13,11,18,.7);border:1px solid var(--line-strong);backdrop-filter:blur(8px);
}
.topic-body{padding:22px;display:flex;flex-direction:column;flex:1;}
.topic-body h3{font-size:17.5px;font-weight:700;line-height:1.5;}
.topic-body p{font-size:14.2px;color:var(--text-3);margin-top:10px;line-height:1.75;flex:1;}
.topic-meta{display:flex;align-items:center;gap:14px;font-size:13px;color:var(--text-3);margin-top:18px;padding-top:16px;border-top:1px solid var(--line);}
.topic-meta b{color:var(--text-2);font-weight:600;}

/* ---------- 内容形态 ---------- */
.feature-split{display:grid;grid-template-columns:1.05fr 1fr;gap:52px;align-items:center;}
.feature-visual{position:relative;border-radius:var(--radius-xl);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);}
.feature-visual img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.feature-visual::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 45%,rgba(13,11,18,.72));}
.feature-caption{
 position:absolute;left:24px;right:24px;bottom:22px;z-index:2;
 font-size:14.5px;color:var(--text-2);
}
.format-list{margin-top:30px;}
.format-item{
 display:flex;gap:18px;padding:20px 22px;border-radius:var(--radius);
 background:var(--surface);border:1px solid var(--line);
 transition:transform var(--trans),border-color var(--trans),background var(--trans);
}
.format-item+.format-item{margin-top:14px;}
.format-item:hover{transform:translateX(6px);border-color:rgba(255,77,121,.42);background:var(--surface-2);}
.format-idx{
 flex-shrink:0;width:40px;height:40px;border-radius:12px;
 display:grid;place-items:center;font-weight:700;font-size:15px;
 background:var(--accent-soft);color:var(--accent);border:1px solid rgba(139,92,246,.3);
}
.format-item h4{font-size:16.5px;font-weight:700;}
.format-item p{font-size:14.2px;color:var(--text-3);margin-top:6px;line-height:1.72;}

/* ---------- 主持与创作者 ---------- */
.host-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap);}
.host-card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-l);
 padding:26px 24px;text-align:center;
 transition:transform var(--trans),border-color var(--trans),box-shadow var(--trans);
}
.host-card:hover{transform:translateY(-6px);border-color:rgba(139,92,246,.45);box-shadow:var(--shadow);}
.host-avatar{
 width:76px;height:76px;margin:0 auto 18px;border-radius:24px;overflow:hidden;
 border:1px solid var(--line-strong);
}
.host-avatar img{width:100%;height:100%;object-fit:cover;}
.host-card h3{font-size:17px;font-weight:700;}
.host-role{font-size:13px;color:var(--primary);margin-top:6px;font-weight:600;letter-spacing:.04em;}
.host-card p{font-size:14px;color:var(--text-3);margin-top:12px;line-height:1.72;}

/* ---------- 隐私与安全 ---------- */
.privacy-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--gap);}
.privacy-card{
 display:flex;gap:18px;
 padding:28px;border-radius:var(--radius-l);
 background:linear-gradient(160deg,var(--surface-2),var(--surface));
 border:1px solid var(--line);
 transition:transform var(--trans),border-color var(--trans),box-shadow var(--trans);
}
.privacy-card:hover{transform:translateY(-4px);border-color:rgba(255,77,121,.42);box-shadow:var(--shadow);}
.privacy-ico{
 flex-shrink:0;width:48px;height:48px;border-radius:16px;
 display:grid;place-items:center;font-size:20px;font-weight:700;color:#fff;
 background:linear-gradient(135deg,var(--primary),var(--accent));
 box-shadow:0 10px 24px rgba(255,77,121,.28);
}
.privacy-card h3{font-size:17px;font-weight:700;}
.privacy-card p{font-size:14.2px;color:var(--text-3);margin-top:8px;line-height:1.75;}

/* ---------- 会员方案 ---------- */
.plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap);align-items:stretch;}
.plan-card{
 position:relative;display:flex;flex-direction:column;
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-xl);
 padding:34px 30px;
 transition:transform var(--trans),border-color var(--trans),box-shadow var(--trans);
}
.plan-card:hover{transform:translateY(-6px);border-color:rgba(139,92,246,.45);box-shadow:var(--shadow);}
.plan-card--featured{
 background:linear-gradient(165deg,rgba(255,77,121,.14),rgba(139,92,246,.12)),var(--surface-2);
 border-color:rgba(255,77,121,.5);
 box-shadow:var(--shadow-l);
}
.plan-flag{
 position:absolute;right:26px;top:-13px;
 padding:5px 14px;border-radius:999px;font-size:12.5px;font-weight:700;color:#fff;
 background:linear-gradient(135deg,var(--primary),var(--accent));
 box-shadow:0 8px 20px rgba(255,77,121,.36);
}
.plan-name{font-size:19px;font-weight:700;}
.plan-price{font-size:32px;font-weight:800;margin-top:14px;letter-spacing:-.02em;}
.plan-price small{font-size:14px;font-weight:500;color:var(--text-3);margin-left:6px;}
.plan-desc{font-size:14px;color:var(--text-3);margin-top:12px;line-height:1.75;}
.plan-list{margin:24px 0 28px;flex:1;}
.plan-list li{position:relative;padding-left:24px;font-size:14.4px;color:var(--text-2);line-height:1.8;}
.plan-list li+li{margin-top:10px;}
.plan-list li::before{
 content:"";position:absolute;left:0;top:10px;width:8px;height:8px;border-radius:50%;
 background:var(--primary);box-shadow:0 0 0 4px rgba(255,77,121,.14);
}
.plan-card .btn{width:100%;}
.join-bar{
 margin-top:48px;padding:42px 46px;border-radius:var(--radius-xl);
 background:linear-gradient(120deg,rgba(255,77,121,.18),rgba(139,92,246,.18)),var(--surface-2);
 border:1px solid rgba(255,77,121,.35);
 display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap;
}
.join-bar h3{font-size:clamp(20px,2.4vw,26px);font-weight:700;line-height:1.4;}
.join-bar p{font-size:14.6px;color:var(--text-2);margin-top:10px;max-width:620px;}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;max-width:920px;}
.faq-item{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
 padding:22px 26px;transition:border-color var(--trans),background var(--trans);
}
.faq-item[open]{border-color:rgba(255,77,121,.42);background:var(--surface-2);}
.faq-item:hover{border-color:var(--line-strong);}
.faq-item summary{
 font-size:16.5px;font-weight:600;cursor:pointer;list-style:none;
 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:22px;font-weight:400;color:var(--primary);line-height:1;flex-shrink:0;
 transition:transform var(--trans);
}
.faq-item[open] summary::after{content:"−";transform:rotate(180deg);}
.faq-item p{font-size:14.6px;color:var(--text-2);margin-top:14px;line-height:1.85;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg-soft);border-top:1px solid var(--line);padding:66px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;}
.footer-brand p{color:var(--text-3);font-size:14.4px;margin-top:16px;max-width:340px;line-height:1.8;}
.footer-col h4{font-size:15px;font-weight:700;margin-bottom:18px;}
.footer-col li+li{margin-top:10px;}
.footer-col a{color:var(--text-3);font-size:14.4px;}
.footer-col a:hover{color:var(--primary);}
.footer-bottom{
 display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
 border-top:1px solid var(--line);margin-top:46px;padding-top:22px;
 color:var(--text-3);font-size:13.4px;
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
 .section{padding:72px 0;}
 .channel-grid{grid-template-columns:repeat(2,1fr);}
 .topic-grid{grid-template-columns:repeat(2,1fr);}
 .host-grid{grid-template-columns:repeat(2,1fr);}
 .stats-grid{grid-template-columns:repeat(2,1fr);}
 .plan-grid{grid-template-columns:1fr;max-width:560px;margin:0 auto;}
 .feature-split{grid-template-columns:1fr;gap:36px;}
 .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:900px){
 .nav{
  position:absolute;top:72px;left:0;right:0;
  flex-direction:column;align-items:stretch;gap:4px;
  padding:14px 20px 20px;
  background:rgba(13,11,18,.98);
  border-bottom:1px solid var(--line);
  display:none;
 }
 .nav.open{display:flex;}
 .nav a{padding:12px 14px;border-radius:12px;}
 .nav-toggle{display:flex;}
 .nav-actions .btn-line{display:none;}
}
@media (max-width:768px){
 .container{padding:0 18px;}
 .section{padding:60px 0;}
 .section-head{margin-bottom:30px;}
 .stats-grid,.privacy-grid{grid-template-columns:1fr;}
 .page-hero{padding:56px 0 48px;}
 .hero-lead{font-size:15.8px;}
 .join-bar{padding:30px 24px;}
 .footer-grid{grid-template-columns:1fr;gap:30px;}
}
@media (max-width:520px){
 .channel-grid,.topic-grid,.host-grid{grid-template-columns:1fr;}
 .hero-title{font-size:27px;}
 .stat-num{font-size:28px;}
 .plan-card{padding:28px 22px;}
 .btn{padding:10px 18px;font-size:14.4px;}
 .brand-name{font-size:17px;}
 .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* 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}