/* roulang page: index */
:root{
  --brand:#6b3ff2;
  --brand-deep:#4c22c9;
  --brand-soft:#efeaff;
  --accent:#ff4d8d;
  --accent-soft:#ffe9f2;
  --mint:#12c2a0;
  --amber:#ffb020;
  --ink:#14122b;
  --ink-soft:#413d63;
  --muted:#75719a;
  --bg:#f6f5fb;
  --surface:#ffffff;
  --surface-2:#f1effa;
  --line:#e7e3f5;
  --dark:#0f0d22;
  --dark-2:#1b1740;
  --r-sm:12px;
  --r-md:16px;
  --r-lg:24px;
  --r-xl:32px;
  --r-pill:999px;
  --sh-sm:0 2px 10px rgba(20,18,43,.05);
  --sh:0 14px 36px rgba(20,18,43,.09);
  --sh-lg:0 28px 64px rgba(20,18,43,.16);
  --space:clamp(52px,7vw,96px);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:104px}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4,h5,p,ul,ol,figure{margin:0;padding:0}
ul,ol{list-style:none}
a{color:inherit;text-decoration:none;transition:color .22s ease,background-color .22s ease,border-color .22s ease,transform .22s ease,box-shadow .22s ease}
img,svg{max-width:100%;display:block}
button,input{font-family:inherit;font-size:inherit;color:inherit}
button{border:0;background:none;cursor:pointer}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:8px}
::selection{background:var(--brand);color:#fff}

.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}

/* ============ 按钮系统 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 28px;border-radius:var(--r-pill);font-size:15px;font-weight:700;
  border:1px solid transparent;white-space:nowrap;letter-spacing:.2px;
  transition:transform .24s ease,box-shadow .24s ease,background .24s ease,color .24s ease,border-color .24s ease;
}
.btn i{font-size:13px}
.btn-primary{background:linear-gradient(120deg,var(--brand) 0%,var(--accent) 120%);color:#fff;box-shadow:0 12px 28px rgba(107,63,242,.34)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 38px rgba(107,63,242,.42);color:#fff}
.btn-primary:active{transform:translateY(0)}
.btn-outline{background:var(--surface);color:var(--ink);border-color:var(--line);box-shadow:var(--sh-sm)}
.btn-outline:hover{border-color:var(--brand);color:var(--brand-deep);transform:translateY(-2px);box-shadow:var(--sh)}
.btn-light{background:#fff;color:var(--brand-deep);box-shadow:0 14px 32px rgba(10,6,40,.28)}
.btn-light:hover{transform:translateY(-2px);color:var(--brand-deep)}
.btn-ghost-light{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.3)}
.btn-ghost-light:hover{background:rgba(255,255,255,.2);color:#fff}
.btn-sm{padding:10px 20px;font-size:14px}
.btn-lg{padding:16px 34px;font-size:16px}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;padding:12px 0;
  background:rgba(246,245,251,.86);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  transition:box-shadow .28s ease;
}
.nav-card{
  display:flex;align-items:center;gap:16px;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:10px 12px 10px 16px;
  box-shadow:var(--sh-sm);
}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.brand-mark{
  width:42px;height:42px;border-radius:14px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--brand) 0%,var(--accent) 100%);
  color:#fff;display:grid;place-items:center;font-size:19px;font-weight:800;
  box-shadow:0 8px 18px rgba(107,63,242,.32);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-size:19px;font-weight:800;letter-spacing:.2px}
.brand-tag{font-size:10.5px;font-weight:600;letter-spacing:2.2px;color:var(--muted)}
.nav-main{display:flex;align-items:center;gap:4px;margin-left:8px}
.nav-link{
  padding:9px 16px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;color:var(--ink-soft);white-space:nowrap;
}
.nav-link:hover{background:var(--brand-soft);color:var(--brand-deep)}
.nav-link.is-active{background:linear-gradient(120deg,var(--brand),#9a6bff);color:#fff;box-shadow:0 8px 18px rgba(107,63,242,.28)}
.nav-link.is-active:hover{color:#fff}
.nav-search{
  margin-left:auto;display:flex;align-items:center;gap:8px;
  background:var(--surface-2);border:1px solid transparent;border-radius:var(--r-pill);
  padding:9px 16px;min-width:206px;transition:background .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.nav-search:focus-within{background:#fff;border-color:var(--brand);box-shadow:0 0 0 4px rgba(107,63,242,.13)}
.nav-search i{color:var(--muted);font-size:13px}
.nav-search input{border:0;background:none;outline:none;width:100%;font-size:14px}
.nav-search input::placeholder{color:#a9a5c4}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:14px;
  background:var(--surface-2);color:var(--ink);place-items:center;font-size:17px;
  transition:background .24s ease,color .24s ease;
}
.nav-toggle:hover{background:var(--brand-soft);color:var(--brand-deep)}
.nav-toggle.is-active{background:var(--brand);color:#fff}
.mobile-nav{
  display:none;margin-top:10px;padding:14px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh);
}
.mobile-nav.is-open{display:block;animation:dropIn .26s ease}
@keyframes dropIn{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}
.mobile-nav a{display:block;padding:12px 16px;border-radius:14px;font-weight:600;color:var(--ink-soft)}
.mobile-nav a:hover{background:var(--surface-2)}
.mobile-nav a.is-active{background:var(--brand-soft);color:var(--brand-deep)}

/* ============ 首屏 ============ */
.hero{
  position:relative;overflow:hidden;
  background:radial-gradient(130% 115% at 15% -10%,#37217e 0%,#1a1440 44%,#0b0919 100%);
  color:#fff;padding:72px 0 80px;
}
.hero-bg{position:absolute;inset:0;pointer-events:none;overflow:hidden}
.hero-orb{position:absolute;border-radius:50%;filter:blur(84px)}
.hero-orb.o1{width:440px;height:440px;background:rgba(107,63,242,.66);top:-170px;left:-110px}
.hero-orb.o2{width:390px;height:390px;background:rgba(255,77,141,.42);bottom:-190px;right:-100px}
.hero-orb.o3{width:300px;height:300px;background:rgba(18,194,160,.3);top:34%;right:16%}
.hero-lines{
  position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:66px 66px;
  -webkit-mask-image:radial-gradient(72% 72% at 50% 42%,#000 18%,transparent 100%);
  mask-image:radial-gradient(72% 72% at 50% 42%,#000 18%,transparent 100%);
}
.hero-inner{position:relative;z-index:2;max-width:880px;margin:0 auto;text-align:center}
.hero-badge{
  display:inline-flex;align-items:center;gap:9px;padding:7px 17px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);
  font-size:13px;font-weight:600;letter-spacing:.4px;color:#e6e1ff;
}
.hero-badge .dot{width:7px;height:7px;border-radius:50%;background:var(--mint);box-shadow:0 0 0 4px rgba(18,194,160,.22)}
.hero-title{margin-top:24px;font-size:clamp(27px,4.3vw,48px);line-height:1.26;font-weight:800;letter-spacing:-.5px}
.hero-title em{font-style:normal;background:linear-gradient(100deg,#bda6ff,#ff96c0);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{margin-top:18px;font-size:clamp(17px,2vw,21px);font-weight:700;color:#cdc4ff;letter-spacing:.3px}
.hero-lead{margin-top:16px;font-size:15.5px;line-height:1.9;color:rgba(255,255,255,.72);text-align:left}
.hero-actions{margin-top:34px;display:flex;flex-wrap:wrap;gap:14px;justify-content:center;align-items:center}
.play-btn{
  display:inline-flex;align-items:center;gap:12px;color:#fff;font-weight:700;font-size:15px;
  padding:6px 4px 6px 0;border-radius:var(--r-pill);
}
.play-ring{
  position:relative;width:52px;height:52px;border-radius:50%;display:grid;place-items:center;flex:0 0 auto;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.34);
  backdrop-filter:blur(8px);transition:background .26s ease,color .26s ease;
}
.play-ring::after{
  content:"";position:absolute;inset:-6px;border-radius:50%;
  border:1px solid rgba(255,255,255,.2);animation:pulseRing 2.8s infinite ease-out;
}
@keyframes pulseRing{0%{transform:scale(.88);opacity:.9}70%{transform:scale(1.24);opacity:0}100%{opacity:0}}
.play-btn:hover .play-ring{background:#fff;color:var(--brand)}
.hero-stats{margin:46px auto 0;max-width:760px;display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.hero-stat{padding:18px 14px;border-radius:var(--r-md);background:rgba(255,255,255,.065);border:1px solid rgba(255,255,255,.13)}
.hero-stat b{display:block;font-size:24px;font-weight:800;letter-spacing:-.6px;line-height:1.3}
.hero-stat span{font-size:12.5px;color:rgba(255,255,255,.6)}

/* ============ 板块骨架 ============ */
.section{padding:var(--space) 0;position:relative}
.section-tight{padding:clamp(34px,4.4vw,58px) 0}
.section-soft{background:var(--surface)}
.section-dark{background:linear-gradient(160deg,#181334 0%,#0d0a1e 100%);color:#fff}
.section-dark .sec-title{color:#fff}
.section-dark .sec-desc{color:rgba(255,255,255,.66)}
.section-dark .sec-tag{background:rgba(255,255,255,.1);color:#c9bbff}
.sec-head{max-width:740px;margin-bottom:38px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-tag{
  display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:.8px;
  color:var(--brand-deep);background:var(--brand-soft);
  padding:6px 15px;border-radius:var(--r-pill);margin-bottom:16px;
}
.sec-title{font-size:clamp(23px,3.1vw,35px);font-weight:800;line-height:1.32;letter-spacing:-.4px}
.sec-desc{margin-top:14px;font-size:15.5px;color:var(--muted);line-height:1.85}

/* ============ 数据条 & 标签轨 ============ */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:14px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px 20px;box-shadow:var(--sh-sm);
}
.stat-item{text-align:center;position:relative;padding:6px 10px}
.stat-item+.stat-item::before{content:"";position:absolute;left:-7px;top:16%;height:68%;width:1px;background:var(--line)}
.stat-num{display:block;font-size:clamp(21px,2.6vw,30px);font-weight:800;letter-spacing:-.8px;color:var(--brand-deep);line-height:1.25}
.stat-label{display:block;margin-top:5px;font-size:13px;color:var(--muted)}
.ticker{
  margin-top:18px;display:flex;align-items:center;gap:16px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:14px 18px;overflow:hidden;
}
.ticker-label{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:7px;
  font-size:13px;font-weight:800;color:#fff;background:linear-gradient(120deg,var(--brand),var(--accent));
  padding:7px 14px;border-radius:var(--r-pill);
}
.ticker-track{display:flex;gap:10px;overflow-x:auto;scrollbar-width:none;padding:2px 0}
.ticker-track::-webkit-scrollbar{display:none}
.chip{
  flex:0 0 auto;padding:8px 16px;border-radius:var(--r-pill);
  background:var(--surface-2);color:var(--ink-soft);font-size:13.5px;font-weight:600;
  transition:background .22s ease,color .22s ease,transform .22s ease;
}
.chip:hover{background:var(--brand-soft);color:var(--brand-deep);transform:translateY(-2px)}

/* ============ 问题陈述 ============ */
.split{display:grid;grid-template-columns:0.92fr 1.08fr;gap:52px;align-items:start}
.issue-list{display:grid;gap:14px}
.issue-item{
  display:flex;gap:16px;align-items:flex-start;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px 24px;box-shadow:var(--sh-sm);
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.issue-item:hover{transform:translateX(6px);box-shadow:var(--sh);border-color:#d8d0f8}
.issue-num{
  flex:0 0 auto;width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:var(--brand-soft);color:var(--brand-deep);font-weight:800;font-size:15px;
}
.issue-item h3{font-size:16.5px;font-weight:700;margin-bottom:6px}
.issue-item p{font-size:14.5px;color:var(--muted);line-height:1.8}

/* ============ 频道矩阵 ============ */
.channel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.channel-card{
  display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-xl);
  padding:28px 26px 24px;box-shadow:var(--sh-sm);position:relative;overflow:hidden;
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.channel-card::before{
  content:"";position:absolute;inset:0 0 auto 0;height:5px;
  background:linear-gradient(90deg,var(--brand),var(--accent));opacity:0;transition:opacity .28s ease;
}
.channel-card:hover{transform:translateY(-6px);box-shadow:var(--sh-lg);border-color:#d9d1fa}
.channel-card:hover::before{opacity:1}
.channel-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.channel-icon{
  width:52px;height:52px;border-radius:16px;display:grid;place-items:center;
  font-size:20px;color:#fff;background:linear-gradient(135deg,var(--brand),#9a6bff);
  box-shadow:0 10px 22px rgba(107,63,242,.3);
}
.channel-count{font-size:12.5px;font-weight:700;color:var(--brand-deep);background:var(--brand-soft);padding:5px 12px;border-radius:var(--r-pill)}
.channel-card h3{font-size:20px;font-weight:800;margin-bottom:10px;letter-spacing:-.2px}
.channel-card p{font-size:14.5px;color:var(--muted);line-height:1.85;flex:1}
.channel-go{margin-top:20px;display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:700;color:var(--brand-deep)}
.channel-card:hover .channel-go i{transform:translateX(4px)}
.channel-go i{transition:transform .26s ease}

/* ============ 操作演示 ============ */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-bottom:40px}
.step{
  position:relative;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-xl);padding:28px 24px;box-shadow:var(--sh-sm);
}
.step-num{
  display:inline-grid;place-items:center;width:42px;height:42px;border-radius:14px;
  background:linear-gradient(135deg,var(--brand),var(--accent));color:#fff;font-weight:800;font-size:16px;
  margin-bottom:18px;box-shadow:0 10px 22px rgba(107,63,242,.28);
}
.step h3{font-size:17.5px;font-weight:800;margin-bottom:10px}
.step p{font-size:14.5px;color:var(--muted);line-height:1.85}
.mock{
  background:linear-gradient(160deg,#1c1740 0%,#120f2b 100%);
  border-radius:var(--r-xl);padding:24px;color:#fff;box-shadow:var(--sh-lg);
}
.mock-bar{display:flex;align-items:center;gap:8px;margin-bottom:20px}
.mock-bar span{width:10px;height:10px;border-radius:50%;background:rgba(255,255,255,.24)}
.mock-bar .txt{margin-left:10px;font-size:12.5px;color:rgba(255,255,255,.5);letter-spacing:.6px}
.mock-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.mock-card{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);
  border-radius:var(--r-md);padding:14px 13px;transition:background .25s ease,transform .25s ease;
}
.mock-card:hover{background:rgba(255,255,255,.12);transform:translateY(-3px)}
.mock-cover{height:56px;border-radius:10px;background:linear-gradient(120deg,rgba(107,63,242,.85),rgba(255,77,141,.7));margin-bottom:11px}
.mock-card:nth-child(2) .mock-cover{background:linear-gradient(120deg,rgba(18,194,160,.8),rgba(107,63,242,.7))}
.mock-card:nth-child(3) .mock-cover{background:linear-gradient(120deg,rgba(255,176,32,.8),rgba(255,77,141,.7))}
.mock-card:nth-child(4) .mock-cover{background:linear-gradient(120deg,rgba(107,63,242,.7),rgba(18,194,160,.7))}
.mock-card b{display:block;font-size:13px;font-weight:700;line-height:1.5}
.mock-card span{display:block;margin-top:6px;font-size:11.5px;color:rgba(255,255,255,.5)}

/* ============ 结果预览 ============ */
.result-panel{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center}
.metric+.metric{margin-top:26px}
.metric-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:10px}
.metric-head b{font-size:15.5px;font-weight:700;color:#fff}
.metric-head em{font-style:normal;font-size:20px;font-weight:800;color:#b79bff;letter-spacing:-.4px}
.metric-bar{height:8px;border-radius:var(--r-pill);background:rgba(255,255,255,.1);overflow:hidden}
.metric-fill{height:100%;border-radius:var(--r-pill);background:linear-gradient(90deg,var(--brand),var(--accent));animation:growBar 1.4s ease-out both}
@keyframes growBar{from{width:0}}
.metric p{margin-top:9px;font-size:13.5px;color:rgba(255,255,255,.55);line-height:1.75}
.preview-card{
  background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.12);
  border-radius:var(--r-xl);padding:26px;backdrop-filter:blur(6px);
}
.preview-card h3{font-size:16px;font-weight:800;margin-bottom:18px;display:flex;align-items:center;gap:9px}
.preview-card h3 i{color:var(--mint)}
.preview-row{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:13px 0;border-bottom:1px dashed rgba(255,255,255,.12);
}
.preview-row:last-child{border-bottom:0;padding-bottom:0}
.preview-row span{font-size:14px;color:rgba(255,255,255,.76)}
.preview-row b{font-size:14px;font-weight:700;color:#fff}
.badge-soft{display:inline-block;font-size:11.5px;font-weight:700;padding:3px 10px;border-radius:var(--r-pill);background:rgba(18,194,160,.18);color:#6ff0d5}

/* ============ 常见卡住点 ============ */
.stuck-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.stuck-card{
  display:flex;gap:18px;align-items:flex-start;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px;box-shadow:var(--sh-sm);
  transition:transform .26s ease,box-shadow .26s ease;
}
.stuck-card:hover{transform:translateY(-4px);box-shadow:var(--sh)}
.stuck-icon{
  flex:0 0 auto;width:46px;height:46px;border-radius:15px;display:grid;place-items:center;
  font-size:18px;background:var(--accent-soft);color:var(--accent);
}
.stuck-card:nth-child(2) .stuck-icon{background:#e6f9f4;color:var(--mint)}
.stuck-card:nth-child(3) .stuck-icon{background:var(--brand-soft);color:var(--brand-deep)}
.stuck-card:nth-child(4) .stuck-icon{background:#fff5e0;color:#d98a00}
.stuck-card h3{font-size:16.5px;font-weight:700;margin-bottom:8px}
.stuck-card p{font-size:14.5px;color:var(--muted);line-height:1.85}

/* ============ 成功路径 ============ */
.path{display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative}
.path::before{
  content:"";position:absolute;top:26px;left:6%;right:6%;height:2px;
  background:linear-gradient(90deg,rgba(107,63,242,.18),rgba(107,63,242,.55),rgba(255,77,141,.5));
}
.path-item{padding:0 14px;text-align:center;position:relative}
.path-dot{
  width:54px;height:54px;border-radius:50%;margin:0 auto 18px;display:grid;place-items:center;
  background:var(--surface);border:2px solid var(--brand);color:var(--brand-deep);
  font-weight:800;font-size:15px;position:relative;z-index:2;
  box-shadow:0 10px 24px rgba(107,63,242,.18);
}
.path-item h3{font-size:16px;font-weight:800;margin-bottom:8px}
.path-item p{font-size:14px;color:var(--muted);line-height:1.8}
.path-item .path-tag{display:inline-block;margin-bottom:10px;font-size:12px;font-weight:700;color:var(--brand-deep);letter-spacing:.6px}

/* ============ 热门专题 ============ */
.topic-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.topic-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-sm);display:flex;flex-direction:column;
  transition:transform .28s ease,box-shadow .28s ease;
}
.topic-card:hover{transform:translateY(-6px);box-shadow:var(--sh-lg)}
.topic-cover{height:136px;position:relative;background:linear-gradient(135deg,#6b3ff2,#a06bff)}
.topic-card:nth-child(2) .topic-cover{background:linear-gradient(135deg,#12c2a0,#5ad7bd)}
.topic-card:nth-child(3) .topic-cover{background:linear-gradient(135deg,#ff4d8d,#ff9bbd)}
.topic-card:nth-child(4) .topic-cover{background:linear-gradient(135deg,#ffb020,#ffd276)}
.topic-cover::after{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.28) 1.4px,transparent 1.4px);
  background-size:16px 16px;opacity:.55;
}
.topic-cover b{
  position:absolute;left:16px;bottom:14px;color:#fff;font-size:13px;font-weight:700;
  background:rgba(0,0,0,.24);padding:4px 12px;border-radius:var(--r-pill);backdrop-filter:blur(4px);
}
.topic-body{padding:20px 20px 22px;display:flex;flex-direction:column;flex:1}
.topic-body h3{font-size:16.5px;font-weight:800;margin-bottom:9px;line-height:1.45}
.topic-body p{font-size:14px;color:var(--muted);line-height:1.8;flex:1}
.topic-meta{margin-top:16px;display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--muted)}
.topic-meta i{color:var(--brand)}

/* ============ 精选清单 ============ */
.pick-list{display:grid;gap:12px}
.pick-item{
  display:flex;align-items:center;gap:20px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:18px 22px;box-shadow:var(--sh-sm);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.pick-item:hover{transform:translateX(6px);border-color:#d8d0f8;box-shadow:var(--sh)}
.pick-rank{
  flex:0 0 auto;width:34px;height:34px;border-radius:11px;display:grid;place-items:center;
  font-weight:800;font-size:14px;background:var(--surface-2);color:var(--muted);
}
.pick-item:first-child .pick-rank{background:linear-gradient(135deg,var(--brand),var(--accent));color:#fff}
.pick-main{flex:1;min-width:0}
.pick-main h3{font-size:16px;font-weight:700;margin-bottom:5px}
.pick-main p{font-size:13.5px;color:var(--muted);line-height:1.7}
.pick-tags{display:flex;gap:8px;flex:0 0 auto;flex-wrap:wrap;justify-content:flex-end}
.tag{font-size:12px;font-weight:600;padding:5px 12px;border-radius:var(--r-pill);background:var(--surface-2);color:var(--ink-soft)}
.tag-hot{background:var(--accent-soft);color:#d92c6d}
.tag-new{background:#e6f9f4;color:#0a8f78}

/* ============ 资讯 ============ */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.news-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-sm);display:flex;flex-direction:column;
  transition:transform .28s ease,box-shadow .28s ease;
}
.news-card:hover{transform:translateY(-6px);box-shadow:var(--sh-lg)}
.news-cover{height:150px;background:linear-gradient(135deg,#241c52,#6b3ff2);position:relative}
.news-card:nth-child(2) .news-cover{background:linear-gradient(135deg,#0f3d38,#12c2a0)}
.news-card:nth-child(3) .news-cover{background:linear-gradient(135deg,#4a1730,#ff4d8d)}
.news-cover span{
  position:absolute;left:18px;top:16px;font-size:12px;font-weight:700;color:#fff;
  background:rgba(255,255,255,.18);padding:4px 12px;border-radius:var(--r-pill);backdrop-filter:blur(6px);
}
.news-body{padding:22px;display:flex;flex-direction:column;flex:1}
.news-body h3{font-size:16.5px;font-weight:800;line-height:1.5;margin-bottom:10px}
.news-body p{font-size:14px;color:var(--muted);line-height:1.8;flex:1}
.news-meta{margin-top:18px;display:flex;align-items:center;gap:14px;font-size:12.5px;color:var(--muted)}
.news-meta i{color:var(--brand);margin-right:5px}

/* ============ 口碑 ============ */
.voice-wrap{display:grid;grid-template-columns:0.7fr 1.3fr;gap:46px;align-items:center}
.voice-score{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-xl);
  padding:34px 30px;text-align:center;box-shadow:var(--sh);
}
.voice-score b{display:block;font-size:52px;font-weight:800;line-height:1.1;letter-spacing:-2px;background:linear-gradient(120deg,var(--brand),var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent}
.voice-score .stars{margin:12px 0 8px;color:var(--amber);font-size:15px;letter-spacing:3px}
.voice-score p{font-size:13.5px;color:var(--muted);line-height:1.8}
.voice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.voice-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px 22px;box-shadow:var(--sh-sm);display:flex;flex-direction:column;
  transition:transform .26s ease,box-shadow .26s ease;
}
.voice-card:hover{transform:translateY(-4px);box-shadow:var(--sh)}
.voice-card .quote{font-size:14.5px;color:var(--ink-soft);line-height:1.85;flex:1}
.voice-user{margin-top:18px;display:flex;align-items:center;gap:12px}
.avatar{
  width:40px;height:40px;border-radius:13px;display:grid;place-items:center;
  font-weight:800;font-size:15px;color:#fff;background:linear-gradient(135deg,var(--brand),#9a6bff);
}
.voice-card:nth-child(2) .avatar{background:linear-gradient(135deg,#12c2a0,#5ad7bd)}
.voice-card:nth-child(3) .avatar{background:linear-gradient(135deg,#ff4d8d,#ff9bbd)}
.voice-user b{display:block;font-size:14px;font-weight:700}
.voice-user span{font-size:12.5px;color:var(--muted)}

/* ============ 保障条 ============ */
.promise-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-xl);
  padding:30px 26px;box-shadow:var(--sh-sm);
}
.promise-item{display:flex;gap:14px;align-items:flex-start}
.promise-item i{
  flex:0 0 auto;width:40px;height:40px;border-radius:13px;display:grid;place-items:center;
  background:var(--brand-soft);color:var(--brand-deep);font-size:16px;
}
.promise-item h3{font-size:15px;font-weight:700;margin-bottom:6px}
.promise-item p{font-size:13.5px;color:var(--muted);line-height:1.75}

/* ============ 收口行动区 ============ */
.cta-panel{
  position:relative;overflow:hidden;border-radius:var(--r-xl);padding:62px 40px;text-align:center;
  background:radial-gradient(95% 145% at 50% 0%,#7d4dff 0%,#3c1fa3 56%,#231160 100%);
  color:#fff;box-shadow:var(--sh-lg);
}
.cta-panel::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.16) 1.4px,transparent 1.4px);
  background-size:26px 26px;opacity:.5;
}
.cta-inner{position:relative;z-index:2;max-width:700px;margin:0 auto}
.cta-panel h2{font-size:clamp(24px,3.2vw,36px);font-weight:800;line-height:1.32;letter-spacing:-.4px}
.cta-panel p{margin-top:16px;font-size:15.5px;color:rgba(255,255,255,.78);line-height:1.9}
.cta-actions{margin-top:32px;display:flex;flex-wrap:wrap;gap:14px;justify-content:center}
.cta-points{margin-top:28px;display:flex;flex-wrap:wrap;gap:22px;justify-content:center;font-size:13.5px;color:rgba(255,255,255,.72)}
.cta-points span{display:inline-flex;align-items:center;gap:8px}
.cta-points i{color:#7ff0d8}

/* ============ 底部固定转化条 ============ */
.dock-cta{
  position:fixed;left:50%;bottom:18px;transform:translate(-50%,140%);
  z-index:90;display:flex;align-items:center;gap:18px;
  background:rgba(15,13,34,.94);color:#fff;
  border:1px solid rgba(255,255,255,.14);border-radius:var(--r-pill);
  padding:11px 12px 11px 24px;box-shadow:0 20px 46px rgba(10,6,35,.4);
  backdrop-filter:blur(14px);transition:transform .38s cubic-bezier(.22,.68,.32,1),opacity .3s ease;
  max-width:calc(100% - 32px);
}
.dock-cta.is-visible{transform:translate(-50%,0)}
.dock-cta.is-hidden{opacity:0;pointer-events:none;transform:translate(-50%,140%)}
.dock-cta p{font-size:14px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.dock-cta p span{color:#b79bff;font-weight:800}
.dock-close{
  width:34px;height:34px;border-radius:50%;flex:0 0 auto;
  background:rgba(255,255,255,.1);color:rgba(255,255,255,.7);display:grid;place-items:center;font-size:12px;
  transition:background .22s ease,color .22s ease;
}
.dock-close:hover{background:rgba(255,255,255,.2);color:#fff}

/* ============ 页脚 ============ */
.site-footer{background:#0f0d22;color:rgba(255,255,255,.66);padding:66px 0 0;margin-top:0}
.foot-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:40px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.1)}
.foot-brand{display:flex;align-items:center;gap:11px;margin-bottom:18px}
.foot-brand .brand-mark{box-shadow:none}
.foot-brand b{color:#fff;font-size:19px;font-weight:800}
.foot-desc{font-size:14px;line-height:1.9;color:rgba(255,255,255,.55);max-width:340px}
.foot-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:18px}
.foot-links{display:grid;gap:11px}
.foot-links a{font-size:14px;color:rgba(255,255,255,.6);transition:color .22s ease,transform .22s ease;display:inline-block}
.foot-links a:hover{color:#fff;transform:translateX(4px)}
.foot-bottom{display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;padding:22px 0 26px;font-size:13px;color:rgba(255,255,255,.42)}
.foot-bottom .domain{letter-spacing:.4px}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .nav-search{display:none}
  .nav-link{padding:8px 13px;font-size:14px}
  .split{gap:38px}
  .result-panel{gap:38px}
  .voice-wrap{gap:32px}
  .topic-grid{grid-template-columns:repeat(2,1fr)}
  .promise-strip{grid-template-columns:repeat(2,1fr)}
  .mock-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:860px){
  .nav-main{display:none}
  .nav-actions{display:none}
  .nav-toggle{display:grid;margin-left:auto}
  .nav-card{padding:10px 12px}
  .hero{padding:56px 0 64px}
  .hero-lead{text-align:left}
  .hero-stats{grid-template-columns:1fr;gap:12px}
  .stat-strip{grid-template-columns:repeat(2,1fr);gap:22px 14px}
  .stat-item+.stat-item::before{display:none}
  .split{grid-template-columns:1fr}
  .channel-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .result-panel{grid-template-columns:1fr}
  .stuck-grid{grid-template-columns:1fr}
  .path{grid-template-columns:repeat(2,1fr);gap:32px 0}
  .path::before{display:none}
  .voice-wrap{grid-template-columns:1fr}
  .voice-grid{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .pick-item{flex-wrap:wrap;gap:14px}
  .pick-tags{justify-content:flex-start;width:100%}
  .cta-panel{padding:46px 24px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
  .foot-desc{max-width:none}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .brand-name{font-size:17px}
  .brand-tag{letter-spacing:1.6px;font-size:10px}
  .hero-title{font-size:26px}
  .hero-actions .btn{width:100%}
  .play-btn{width:100%;justify-content:center}
  .stat-strip{grid-template-columns:1fr;gap:18px}
  .topic-grid{grid-template-columns:1fr}
  .promise-strip{grid-template-columns:1fr}
  .path{grid-template-columns:1fr;gap:28px}
  .foot-grid{grid-template-columns:1fr}
  .dock-cta{padding:10px 10px 10px 18px;gap:12px}
  .dock-cta p{font-size:13px;white-space:normal;line-height:1.5}
  .dock-cta .btn{padding:10px 16px;font-size:13px}
  .sec-head{margin-bottom:28px}
  .mock-grid{grid-template-columns:1fr}
}

/* roulang page: category2 */
:root{
 --brand:#6b3ff2;
 --brand-deep:#4c22c9;
 --brand-soft:#efeaff;
 --accent:#ff4d8d;
 --accent-soft:#ffe9f2;
 --mint:#12c2a0;
 --amber:#ffb020;
 --ink:#14122b;
 --ink-soft:#413d63;
 --muted:#75719a;
 --bg:#f6f5fb;
 --surface:#ffffff;
 --surface-2:#f1effa;
 --line:#e7e3f5;
 --dark:#0f0d22;
 --dark-2:#1b1740;
 --r-sm:12px;
 --r-md:16px;
 --r-lg:24px;
 --r-xl:32px;
 --r-pill:999px;
 --sh-sm:0 2px 10px rgba(20,18,43,.05);
 --sh:0 14px 36px rgba(20,18,43,.09);
 --sh-lg:0 28px 64px rgba(20,18,43,.16);
 --space:clamp(52px,7vw,96px);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:120px}
body{
 margin:0;padding-bottom:0;
 background:var(--bg);color:var(--ink);
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
 font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased;overflow-x:hidden;
}
a{color:inherit;text-decoration:none;transition:color .22s ease,background-color .22s ease,border-color .22s ease,transform .22s ease,box-shadow .22s ease}
img,svg{max-width:100%;display:block}
button,input{font-family:inherit;font-size:inherit;color:inherit}
button{border:0;background:none;cursor:pointer}
h1,h2,h3,h4,h5{margin:0;font-weight:800;line-height:1.28;letter-spacing:-.2px;color:var(--ink)}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:3px solid rgba(107,63,242,.5);outline-offset:3px;border-radius:8px}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}
/* ============ 按钮系统 ============ */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:9px;
 padding:14px 28px;border-radius:var(--r-pill);font-size:15px;font-weight:700;
 border:1px solid transparent;white-space:nowrap;letter-spacing:.2px;
 transition:transform .24s ease,box-shadow .24s ease,background .24s ease,color .24s ease,border-color .24s ease;
}
.btn i{font-size:13px}
.btn-primary{background:linear-gradient(120deg,var(--brand) 0%,var(--accent) 120%);color:#fff;box-shadow:0 12px 28px rgba(107,63,242,.34)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 38px rgba(107,63,242,.42);color:#fff}
.btn-primary:active{transform:translateY(0)}
.btn-outline{background:var(--surface);color:var(--ink);border-color:var(--line);box-shadow:var(--sh-sm)}
.btn-outline:hover{border-color:var(--brand);color:var(--brand-deep);transform:translateY(-2px);box-shadow:var(--sh)}
.btn-light{background:#fff;color:var(--brand-deep);box-shadow:0 14px 32px rgba(10,6,40,.28)}
.btn-light:hover{transform:translateY(-2px);color:var(--brand-deep)}
.btn-ghost-light{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.3)}
.btn-ghost-light:hover{background:rgba(255,255,255,.2);color:#fff}
.btn-sm{padding:10px 20px;font-size:14px}
.btn-lg{padding:16px 34px;font-size:16px}
/* ============ 顶部导航 ============ */
.site-header{
 position:sticky;top:0;z-index:80;padding:12px 0;
 background:rgba(246,245,251,.86);
 backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
 transition:box-shadow .28s ease;
}
.nav-card{
 display:flex;align-items:center;gap:16px;
 background:var(--surface);border:1px solid var(--line);
 border-radius:var(--r-lg);padding:10px 12px 10px 16px;
 box-shadow:var(--sh-sm);
}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.brand-mark{
 width:42px;height:42px;border-radius:14px;flex:0 0 auto;
 background:linear-gradient(135deg,var(--brand) 0%,var(--accent) 100%);
 color:#fff;display:grid;place-items:center;font-size:19px;font-weight:800;
 box-shadow:0 8px 18px rgba(107,63,242,.32);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-size:19px;font-weight:800;letter-spacing:.2px}
.brand-tag{font-size:10.5px;font-weight:600;letter-spacing:2.2px;color:var(--muted)}
.nav-main{display:flex;align-items:center;gap:4px;margin-left:8px}
.nav-link{padding:9px 16px;border-radius:var(--r-pill);font-size:15px;font-weight:600;color:var(--ink-soft);white-space:nowrap}
.nav-link:hover{background:var(--brand-soft);color:var(--brand-deep)}
.nav-link.is-active{background:linear-gradient(120deg,var(--brand),#9a6bff);color:#fff;box-shadow:0 8px 18px rgba(107,63,242,.28)}
.nav-link.is-active:hover{color:#fff}
.nav-search{
 margin-left:auto;display:flex;align-items:center;gap:8px;
 background:var(--surface-2);border:1px solid transparent;border-radius:var(--r-pill);
 padding:9px 16px;min-width:206px;transition:background .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.nav-search:focus-within{background:#fff;border-color:var(--brand);box-shadow:0 0 0 4px rgba(107,63,242,.13)}
.nav-search i{color:var(--muted);font-size:13px}
.nav-search input{border:0;background:none;outline:none;width:100%;font-size:14px}
.nav-search input::placeholder{color:#a9a5c4}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav-toggle{
 display:none;width:44px;height:44px;border-radius:14px;
 background:var(--surface-2);color:var(--ink);place-items:center;font-size:17px;
 transition:background .24s ease,color .24s ease;
}
.nav-toggle:hover{background:var(--brand-soft);color:var(--brand-deep)}
.nav-toggle.is-active{background:var(--brand);color:#fff}
.mobile-nav{display:none;margin-top:10px;padding:14px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh)}
.mobile-nav.is-open{display:block;animation:dropIn .26s ease}
.mobile-nav a{display:block;padding:12px 16px;border-radius:14px;font-weight:600;color:var(--ink-soft)}
.mobile-nav a:hover{background:var(--surface-2)}
.mobile-nav a.is-active{background:var(--brand-soft);color:var(--brand-deep)}
.mobile-nav .m-search{display:flex;align-items:center;gap:8px;background:var(--surface-2);border-radius:var(--r-pill);padding:10px 16px;margin-top:10px}
.mobile-nav .m-search input{border:0;background:none;outline:none;width:100%}
@keyframes dropIn{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}
/* ============ 页头 Hero ============ */
.page-hero{
 position:relative;overflow:hidden;color:#fff;
 padding:64px 0 72px;
 background:radial-gradient(120% 130% at 88% -20%,#4a2ba8 0%,#1d1747 46%,#0b0919 100%);
}
.hero-bg{position:absolute;inset:0;pointer-events:none;overflow:hidden}
.hero-orb{position:absolute;border-radius:50%;filter:blur(86px)}
.hero-orb.o1{width:420px;height:420px;background:rgba(107,63,242,.62);top:-180px;left:-120px}
.hero-orb.o2{width:360px;height:360px;background:rgba(255,77,141,.4);bottom:-190px;right:-90px}
.hero-orb.o3{width:280px;height:280px;background:rgba(18,194,160,.28);top:40%;right:22%}
.hero-lines{
 position:absolute;inset:0;
 background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
 background-size:64px 64px;
 -webkit-mask-image:radial-gradient(70% 70% at 50% 40%,#000 10%,transparent 100%);
 mask-image:radial-gradient(70% 70% at 50% 40%,#000 10%,transparent 100%);
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1.08fr) minmax(0,.92fr);gap:44px;align-items:start}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.6);margin-bottom:18px;flex-wrap:wrap}
.crumb a:hover{color:#fff}
.crumb .sep{opacity:.5}
.eyebrow{
 display:inline-flex;align-items:center;gap:8px;
 padding:7px 16px;border-radius:var(--r-pill);
 background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);
 font-size:12.5px;font-weight:700;letter-spacing:1.4px;color:#d9cfff;
}
.page-hero h1{font-size:clamp(30px,4vw,46px);margin:20px 0 18px;color:#fff;letter-spacing:-.6px}
.page-hero h1 em{font-style:normal;background:linear-gradient(100deg,#ff9ec4,#b79bff 70%);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-lead{font-size:16.5px;color:rgba(255,255,255,.78);max-width:620px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-stats{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}
.hero-stat{
 flex:1 1 150px;min-width:140px;
 background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);
 border-radius:var(--r-md);padding:14px 16px;
}
.hero-stat b{display:block;font-size:22px;line-height:1.2;color:#fff}
.hero-stat span{font-size:12.5px;color:rgba(255,255,255,.62)}
/* 快捷入口网格 */
.quick-panel{
 background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
 border-radius:var(--r-xl);padding:22px;backdrop-filter:blur(6px);
}
.quick-panel h2{font-size:15px;color:#fff;letter-spacing:.4px;display:flex;align-items:center;gap:9px}
.quick-panel h2 i{color:#c3b0ff}
.quick-panel p{font-size:13px;color:rgba(255,255,255,.6);margin-top:6px}
.quick-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:18px}
.quick-card{
 display:block;padding:16px 15px;border-radius:var(--r-md);
 background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.1);
 transition:transform .24s ease,background .24s ease,border-color .24s ease;
}
.quick-card:hover{transform:translateY(-3px);background:rgba(255,255,255,.16);border-color:rgba(255,255,255,.28)}
.quick-card .q-ico{
 width:36px;height:36px;border-radius:12px;display:grid;place-items:center;
 background:rgba(255,255,255,.14);color:#fff;font-size:15px;margin-bottom:10px;
}
.quick-card b{display:block;font-size:14.5px;color:#fff}
.quick-card span{font-size:12px;color:rgba(255,255,255,.62)}
/* ============ 通用板块 ============ */
.section{padding:var(--space) 0}
.section.tight{padding-top:calc(var(--space) * .6)}
.section-alt{background:linear-gradient(180deg,#fff 0%,var(--surface-2) 100%)}
.sec-head{max-width:760px;margin-bottom:38px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-kicker{
 display:inline-flex;align-items:center;gap:7px;
 font-size:12.5px;font-weight:800;letter-spacing:1.6px;color:var(--brand-deep);
 background:var(--brand-soft);padding:6px 14px;border-radius:var(--r-pill);
}
.sec-title{font-size:clamp(23px,2.9vw,33px);margin:16px 0 12px}
.sec-desc{color:var(--muted);font-size:15.5px}
.sec-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:38px}
.sec-head-row .sec-head{margin-bottom:0}
/* ============ 卖点三连 ============ */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.feature-card{
 position:relative;overflow:hidden;
 background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
 padding:30px 26px;box-shadow:var(--sh-sm);
 transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.feature-card:hover{transform:translateY(-5px);box-shadow:var(--sh);border-color:#dcd4f7}
.feature-card::after{
 content:"";position:absolute;right:-40px;top:-40px;width:130px;height:130px;border-radius:50%;
 background:linear-gradient(135deg,rgba(107,63,242,.13),rgba(255,77,141,.1));
}
.f-ico{
 width:52px;height:52px;border-radius:18px;display:grid;place-items:center;
 font-size:20px;color:#fff;background:linear-gradient(135deg,var(--brand),#9a6bff);
 box-shadow:0 12px 24px rgba(107,63,242,.28);margin-bottom:18px;position:relative;z-index:1;
}
.feature-card:nth-child(2) .f-ico{background:linear-gradient(135deg,#ff4d8d,#ff8a5c);box-shadow:0 12px 24px rgba(255,77,141,.28)}
.feature-card:nth-child(3) .f-ico{background:linear-gradient(135deg,#12c2a0,#4ad6b8);box-shadow:0 12px 24px rgba(18,194,160,.28)}
.feature-card h3{font-size:19px;margin-bottom:10px;position:relative;z-index:1}
.feature-card p{color:var(--muted);font-size:14.8px;position:relative;z-index:1}
.f-meta{display:flex;gap:8px;flex-wrap:wrap;margin-top:18px;position:relative;z-index:1}
/* ============ 标签 ============ */
.tag{
 display:inline-flex;align-items:center;gap:5px;
 padding:4px 11px;border-radius:var(--r-pill);
 font-size:12px;font-weight:700;background:var(--surface-2);color:var(--ink-soft);
}
.tag-brand{background:var(--brand-soft);color:var(--brand-deep)}
.tag-accent{background:var(--accent-soft);color:#d62a6c}
.tag-mint{background:#e2f8f3;color:#0a8f76}
.tag-amber{background:#fff4e0;color:#b57400}
/* ============ 频道入口 + 专题矩阵 ============ */
.channel-row{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:34px}
.channel-card{
 display:flex;align-items:center;gap:14px;
 background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
 padding:16px 18px;box-shadow:var(--sh-sm);
 transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.channel-card:hover{transform:translateY(-3px);box-shadow:var(--sh);border-color:var(--brand)}
.channel-card .c-ico{
 width:44px;height:44px;border-radius:14px;flex:0 0 auto;display:grid;place-items:center;
 font-size:17px;color:var(--brand-deep);background:var(--brand-soft);
}
.channel-card b{display:block;font-size:15.5px}
.channel-card span{font-size:12.5px;color:var(--muted)}
.channel-card .c-go{margin-left:auto;color:var(--muted);font-size:13px}
.channel-card:hover .c-go{color:var(--brand-deep);transform:translateX(3px)}
.tab-pills{display:flex;flex-wrap:wrap;gap:10px;border:0;margin-bottom:26px;padding:0}
.tab-pills .nav-item{margin:0}
.tab-pill{
 padding:10px 20px;border-radius:var(--r-pill);font-size:14px;font-weight:700;
 background:var(--surface);border:1px solid var(--line);color:var(--ink-soft);
 transition:all .24s ease;
}
.tab-pill:hover{border-color:var(--brand);color:var(--brand-deep)}
.tab-pill.active{background:linear-gradient(120deg,var(--brand),#9a6bff);border-color:transparent;color:#fff;box-shadow:0 10px 22px rgba(107,63,242,.28)}
.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.topic-card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
 overflow:hidden;box-shadow:var(--sh-sm);display:flex;flex-direction:column;
 transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.topic-card:hover{transform:translateY(-5px);box-shadow:var(--sh);border-color:#ded6f9}
.topic-cover{
 position:relative;height:158px;display:grid;place-items:center;color:#fff;font-size:34px;
}
.topic-cover::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(15,13,34,0) 40%,rgba(15,13,34,.45) 100%)}
.cover-a{background:linear-gradient(135deg,#6b3ff2,#a97bff)}
.cover-b{background:linear-gradient(135deg,#ff4d8d,#ff9068)}
.cover-c{background:linear-gradient(135deg,#12c2a0,#4fd7bd)}
.cover-d{background:linear-gradient(135deg,#1b1740,#4c22c9)}
.cover-e{background:linear-gradient(135deg,#ffb020,#ff7a3d)}
.cover-f{background:linear-gradient(135deg,#3d3a8f,#7c6cff)}
.cover-badge{
 position:absolute;left:14px;top:14px;z-index:2;
 padding:4px 12px;border-radius:var(--r-pill);font-size:11.5px;font-weight:700;
 background:rgba(15,13,34,.5);border:1px solid rgba(255,255,255,.3);color:#fff;backdrop-filter:blur(4px);
}
.topic-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1}
.topic-tags{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px}
.topic-body h3{font-size:17.5px;margin-bottom:9px}
.topic-body p{font-size:14.3px;color:var(--muted);flex:1}
.topic-foot{
 display:flex;align-items:center;justify-content:space-between;gap:12px;
 margin-top:16px;padding-top:14px;border-top:1px dashed var(--line);
 font-size:12.8px;color:var(--muted);
}
.topic-foot .tf-link{font-weight:700;color:var(--brand-deep);display:inline-flex;align-items:center;gap:6px}
.topic-card:hover .tf-link i{transform:translateX(3px)}
.tf-link i{transition:transform .24s ease}
.grid-actions{display:flex;justify-content:center;margin-top:34px}
/* ============ 主推专题 大图叙事 ============ */
.spotlight{
 display:grid;grid-template-columns:minmax(0,.92fr) minmax(0,1.08fr);
 gap:0;background:var(--surface);border:1px solid var(--line);
 border-radius:var(--r-xl);overflow:hidden;box-shadow:var(--sh);
}
.spot-visual{
 position:relative;min-height:340px;color:#fff;padding:34px;
 display:flex;flex-direction:column;justify-content:space-between;
 background:radial-gradient(110% 120% at 12% 8%,#5a34d6 0%,#1c1748 55%,#0f0d22 100%);
}
.spot-visual .sv-top{display:flex;gap:10px;flex-wrap:wrap}
.spot-visual .sv-badge{
 padding:5px 13px;border-radius:var(--r-pill);font-size:11.5px;font-weight:700;
 background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.24);
}
.spot-visual .sv-num{font-size:60px;font-weight:800;line-height:1;letter-spacing:-2px}
.spot-visual .sv-num small{font-size:15px;font-weight:700;letter-spacing:0;color:rgba(255,255,255,.7);margin-left:8px}
.spot-visual .sv-note{font-size:13.3px;color:rgba(255,255,255,.72)}
.spot-body{padding:36px 34px}
.spot-body h3{font-size:clamp(20px,2.4vw,26px);margin:14px 0 12px}
.spot-body > p{color:var(--muted);font-size:15px}
.spot-list{margin-top:22px;display:grid;gap:12px}
.spot-item{
 display:flex;gap:14px;align-items:flex-start;
 padding:14px 16px;border-radius:var(--r-md);background:var(--surface-2);
 transition:background .24s ease,transform .24s ease;
}
.spot-item:hover{background:var(--brand-soft);transform:translateX(4px)}
.spot-item .si-idx{
 width:30px;height:30px;flex:0 0 auto;border-radius:10px;display:grid;place-items:center;
 font-size:13px;font-weight:800;background:#fff;color:var(--brand-deep);box-shadow:var(--sh-sm);
}
.spot-item b{display:block;font-size:15px}
.spot-item span{font-size:13px;color:var(--muted)}
/* ============ 横向内容组 ============ */
.rail{
 display:flex;gap:18px;overflow-x:auto;padding:6px 4px 22px;
 scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;
}
.rail::-webkit-scrollbar{height:8px}
.rail::-webkit-scrollbar-track{background:var(--surface-2);border-radius:var(--r-pill)}
.rail::-webkit-scrollbar-thumb{background:#cfc7ee;border-radius:var(--r-pill)}
.rail::-webkit-scrollbar-thumb:hover{background:var(--brand)}
.rail-card{
 flex:0 0 288px;scroll-snap-align:start;
 background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
 padding:22px;box-shadow:var(--sh-sm);
 transition:transform .26s ease,box-shadow .26s ease;
}
.rail-card:hover{transform:translateY(-5px);box-shadow:var(--sh)}
.rail-card .rc-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.rail-card .rc-ico{
 width:42px;height:42px;border-radius:14px;display:grid;place-items:center;
 font-size:16px;background:var(--brand-soft);color:var(--brand-deep);
}
.rail-card h4{font-size:16.5px;margin-bottom:8px}
.rail-card p{font-size:14px;color:var(--muted)}
.rail-card .rc-foot{margin-top:16px;font-size:12.6px;color:var(--muted);display:flex;gap:14px;flex-wrap:wrap}
/* ============ 资料卡 / 编辑推荐 ============ */
.editor-row{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.35fr);gap:24px}
.profile-card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
 padding:26px;box-shadow:var(--sh-sm);
}
.profile-head{display:flex;align-items:center;gap:14px}
.profile-avatar{
 width:58px;height:58px;border-radius:20px;display:grid;place-items:center;
 font-size:22px;font-weight:800;color:#fff;
 background:linear-gradient(135deg,var(--accent),#ff9068);box-shadow:0 12px 24px rgba(255,77,141,.28);
}
.profile-head b{display:block;font-size:17px}
.profile-head span{font-size:13px;color:var(--muted)}
.profile-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:20px}
.profile-stats div{background:var(--surface-2);border-radius:var(--r-sm);padding:12px;text-align:center}
.profile-stats b{display:block;font-size:18px;color:var(--brand-deep)}
.profile-stats span{font-size:11.8px;color:var(--muted)}
.pick-list{display:grid;gap:12px}
.pick-item{
 display:flex;gap:16px;align-items:center;
 background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
 padding:16px 18px;box-shadow:var(--sh-sm);
 transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.pick-item:hover{transform:translateX(5px);border-color:#ded6f9;box-shadow:var(--sh)}
.pick-item .p-mark{
 width:46px;height:46px;flex:0 0 auto;border-radius:15px;display:grid;place-items:center;
 color:#fff;font-size:17px;background:linear-gradient(135deg,var(--brand),#9a6bff);
}
.pick-item:nth-child(2) .p-mark{background:linear-gradient(135deg,#12c2a0,#4fd7bd)}
.pick-item:nth-child(3) .p-mark{background:linear-gradient(135deg,#ffb020,#ff7a3d)}
.pick-item:nth-child(4) .p-mark{background:linear-gradient(135deg,#1b1740,#6b3ff2)}
.pick-item b{display:block;font-size:15.5px}
.pick-item span{font-size:13.2px;color:var(--muted)}
.pick-item .p-time{margin-left:auto;font-size:12.5px;color:var(--muted);white-space:nowrap}
/* ============ 社会认同 ============ */
.dark-block{
 background:radial-gradient(120% 130% at 82% 0%,#33207a 0%,#171233 48%,#0c0a1c 100%);
 color:#fff;border-radius:var(--r-xl);padding:clamp(30px,4.4vw,54px);
 position:relative;overflow:hidden;
}
.dark-block h2{color:#fff;font-size:clamp(22px,2.7vw,30px);margin-bottom:12px}
.dark-block .d-sub{color:rgba(255,255,255,.7);font-size:15px;max-width:640px}
.voice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:32px}
.voice-card{
 background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);
 border-radius:var(--r-lg);padding:24px;
 transition:background .24s ease,transform .24s ease;
}
.voice-card:hover{background:rgba(255,255,255,.13);transform:translateY(-4px)}
.voice-card .v-quote{font-size:15px;color:rgba(255,255,255,.88)}
.voice-card .v-user{display:flex;align-items:center;gap:11px;margin-top:20px}
.voice-card .v-avatar{
 width:38px;height:38px;border-radius:13px;display:grid;place-items:center;
 font-size:14px;font-weight:800;background:rgba(255,255,255,.16);color:#fff;
}
.voice-card .v-user b{display:block;font-size:14px;color:#fff}
.voice-card .v-user span{font-size:12px;color:rgba(255,255,255,.6)}
.data-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:26px}
.data-cell{
 background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);
 border-radius:var(--r-md);padding:18px;
}
.data-cell b{display:block;font-size:26px;line-height:1.15;color:#fff}
.data-cell span{font-size:12.6px;color:rgba(255,255,255,.62)}
/* ============ 对比差异 ============ */
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.compare-col{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
 padding:28px 26px;box-shadow:var(--sh-sm);
}
.compare-col.is-best{border-color:transparent;background:linear-gradient(160deg,#fff 0%,var(--brand-soft) 100%);box-shadow:var(--sh);position:relative}
.compare-col.is-best::before{
 content:"";position:absolute;inset:0;border-radius:var(--r-lg);border:2px solid var(--brand);opacity:.35;pointer-events:none;
}
.compare-col h3{font-size:18.5px;display:flex;align-items:center;gap:10px;margin-bottom:6px}
.compare-col .c-note{font-size:13.4px;color:var(--muted);margin-bottom:18px}
.compare-col ul{display:grid;gap:12px}
.compare-col li{display:flex;gap:11px;align-items:flex-start;font-size:14.6px;color:var(--ink-soft)}
.compare-col li i{margin-top:5px;font-size:14px}
.compare-col li .ok{color:var(--mint)}
.compare-col li .no{color:#c9c4e0}
/* ============ 资讯证据 ============ */
.news-wrap{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,.75fr);gap:24px}
.news-list{display:grid;gap:14px}
.news-item{
 display:grid;grid-template-columns:auto 1fr auto;gap:16px;align-items:center;
 background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
 padding:18px 20px;box-shadow:var(--sh-sm);
 transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.news-item:hover{transform:translateY(-3px);box-shadow:var(--sh);border-color:#ded6f9}
.news-date{
 width:62px;height:62px;border-radius:var(--r-md);flex:0 0 auto;
 background:var(--surface-2);display:grid;place-items:center;text-align:center;line-height:1.1;
}
.news-date b{font-size:19px;color:var(--brand-deep);display:block}
.news-date span{font-size:11px;color:var(--muted)}
.news-item h4{font-size:16px;margin-bottom:5px}
.news-item p{font-size:13.6px;color:var(--muted)}
.news-item .n-go{color:var(--muted);font-size:14px}
.timeline-card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
 padding:26px;box-shadow:var(--sh-sm);
}
.timeline{position:relative;margin-top:18px;padding-left:22px}
.timeline::before{content:"";position:absolute;left:5px;top:6px;bottom:6px;width:2px;background:linear-gradient(180deg,var(--brand),var(--accent))}
.timeline li{position:relative;padding-bottom:20px}
.timeline li:last-child{padding-bottom:0}
.timeline li::before{
 content:"";position:absolute;left:-21px;top:7px;width:12px;height:12px;border-radius:50%;
 background:#fff;border:3px solid var(--brand);
}
.timeline b{display:block;font-size:14.6px}
.timeline span{font-size:13px;color:var(--muted)}
/* ============ FAQ ============ */
.faq-wrap{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:30px;align-items:start}
.faq-list{display:grid;gap:12px}
.faq-item{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
 box-shadow:var(--sh-sm);overflow:hidden;transition:border-color .24s ease,box-shadow .24s ease;
}
.faq-item[open]{border-color:var(--brand);box-shadow:var(--sh)}
.faq-item summary{
 list-style:none;cursor:pointer;padding:18px 22px;font-size:15.6px;font-weight:700;
 display:flex;align-items:center;gap:14px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .fq-ico{
 margin-left:auto;width:28px;height:28px;border-radius:50%;flex:0 0 auto;
 display:grid;place-items:center;background:var(--surface-2);color:var(--brand-deep);font-size:12px;
 transition:transform .26s ease,background .26s ease,color .26s ease;
}
.faq-item[open] summary .fq-ico{transform:rotate(180deg);background:var(--brand);color:#fff}
.faq-body{padding:0 22px 20px;color:var(--muted);font-size:14.6px}
/* ============ 保障条 + 转化区 ============ */
.guard-row{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.guard-item{
 display:flex;gap:13px;align-items:center;
 background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
 padding:18px;box-shadow:var(--sh-sm);
}
.guard-item i{font-size:17px;color:var(--brand)}
.guard-item b{display:block;font-size:14.6px}
.guard-item span{font-size:12.6px;color:var(--muted)}
.cta-band{
 margin-top:34px;
 display:grid;grid-template-columns:minmax(0,1.2fr) auto;gap:26px;align-items:center;
 background:linear-gradient(120deg,var(--brand) 0%,var(--brand-deep) 45%,var(--accent) 130%);
 color:#fff;border-radius:var(--r-xl);padding:clamp(28px,4vw,46px);
 box-shadow:0 26px 60px rgba(76,34,201,.34);
}
.cta-band h2{color:#fff;font-size:clamp(21px,2.6vw,29px);margin-bottom:10px}
.cta-band p{color:rgba(255,255,255,.84);font-size:15px;max-width:580px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}
/* ============ 底部固定转化条 ============ */
.stick-bar{
 position:fixed;left:0;right:0;bottom:0;z-index:70;
 background:rgba(15,13,34,.94);backdrop-filter:blur(14px);
 border-top:1px solid rgba(255,255,255,.12);
 padding:12px 0;
}
.stick-inner{display:flex;align-items:center;gap:18px}
.stick-inner .s-dot{
 width:9px;height:9px;border-radius:50%;background:var(--mint);flex:0 0 auto;
 box-shadow:0 0 0 5px rgba(18,194,160,.2);
}
.stick-inner p{color:rgba(255,255,255,.86);font-size:14.2px}
.stick-inner p b{color:#fff}
.stick-inner .btn{margin-left:auto}
/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:64px 0 26px;margin-top:0}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px}
.foot-brand{display:flex;align-items:center;gap:12px;color:#fff;font-size:18px;font-weight:800}
.foot-brand .brand-mark{box-shadow:0 8px 18px rgba(107,63,242,.4)}
.foot-desc{margin-top:16px;font-size:14.2px;color:rgba(255,255,255,.6);max-width:380px}
.foot-col h4{font-size:14.6px;color:#fff;margin-bottom:16px;letter-spacing:.3px}
.foot-links{display:grid;gap:10px}
.foot-links a{font-size:14px;color:rgba(255,255,255,.62)}
.foot-links a:hover{color:#fff}
.foot-bottom{
 margin-top:44px;padding-top:22px;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:13.2px;color:rgba(255,255,255,.5);
}
.foot-bottom .domain{color:rgba(255,255,255,.42);letter-spacing:.6px}
/* ============ 响应式 ============ */
@media (max-width:1080px){
 .nav-search{display:none}
 .hero-inner{grid-template-columns:1fr;gap:32px}
 .editor-row,.news-wrap,.faq-wrap{grid-template-columns:1fr}
 .data-strip{grid-template-columns:repeat(2,1fr)}
 .guard-row{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:900px){
 .nav-main{display:none}
 .nav-toggle{display:grid}
 .nav-actions .btn{display:none}
 .feature-grid,.topic-grid,.voice-grid,.channel-row{grid-template-columns:1fr 1fr}
 .spotlight{grid-template-columns:1fr}
 .compare-grid{grid-template-columns:1fr}
 .cta-band{grid-template-columns:1fr}
 .foot-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:640px){
 .page-hero{padding:44px 0 54px}
 .quick-grid{grid-template-columns:1fr}
 .feature-grid,.topic-grid,.voice-grid,.channel-row{grid-template-columns:1fr}
 .data-strip,.guard-row{grid-template-columns:1fr}
 .foot-grid{grid-template-columns:1fr}
 .profile-stats{grid-template-columns:1fr 1fr}
 .pick-item{flex-wrap:wrap}
 .pick-item .p-time{margin-left:0;width:100%}
 .stick-inner{flex-wrap:wrap;gap:10px}
 .stick-inner .btn{margin-left:0;width:100%}
 .news-item{grid-template-columns:1fr;gap:12px}
 .news-item .n-go{display:none}
 body{padding-bottom:74px}
}
@media (max-width:520px){
 .brand-tag{display:none}
 .hero-stat{flex:1 1 100%}
 .spot-body{padding:26px 22px}
}

/* roulang page: category3 */
:root{
 --brand:#6b3ff2;
 --brand-deep:#4c22c9;
 --brand-soft:#efeaff;
 --accent:#ff4d8d;
 --accent-soft:#ffe9f2;
 --mint:#12c2a0;
 --amber:#ffb020;
 --ink:#14122b;
 --ink-soft:#413d63;
 --muted:#75719a;
 --bg:#f6f5fb;
 --surface:#ffffff;
 --surface-2:#f1effa;
 --line:#e7e3f5;
 --dark:#0f0d22;
 --dark-2:#1b1740;
 --r-sm:12px;
 --r-md:16px;
 --r-lg:24px;
 --r-xl:32px;
 --r-pill:999px;
 --sh-sm:0 2px 10px rgba(20,18,43,.05);
 --sh:0 14px 36px rgba(20,18,43,.09);
 --sh-lg:0 28px 64px rgba(20,18,43,.16);
 --space:clamp(52px,7vw,96px);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:112px}
body{
 margin:0;
 padding-bottom:88px;
 background:var(--bg);
 color:var(--ink);
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
 font-size:16px;
 line-height:1.75;
 -webkit-font-smoothing:antialiased;
 overflow-x:hidden;
}
img,svg{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .22s ease,background-color .22s ease,border-color .22s ease,transform .22s ease,box-shadow .22s ease}
button,input{font-family:inherit;font-size:inherit;color:inherit}
button{border:0;background:none;cursor:pointer}
:focus-visible{outline:3px solid rgba(107,63,242,.45);outline-offset:2px;border-radius:8px}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}
.row{--bs-gutter-x:1.5rem;--bs-gutter-y:1.5rem}

/* ============ 按钮系统 ============ */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:9px;
 padding:14px 28px;border-radius:var(--r-pill);font-size:15px;font-weight:700;
 border:1px solid transparent;white-space:nowrap;letter-spacing:.2px;
 transition:transform .24s ease,box-shadow .24s ease,background .24s ease,color .24s ease,border-color .24s ease;
}
.btn i{font-size:13px}
.btn-primary{background:linear-gradient(120deg,var(--brand) 0%,var(--accent) 120%);color:#fff;box-shadow:0 12px 28px rgba(107,63,242,.34)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 38px rgba(107,63,242,.42);color:#fff}
.btn-primary:active{transform:translateY(0)}
.btn-outline{background:var(--surface);color:var(--ink);border-color:var(--line);box-shadow:var(--sh-sm)}
.btn-outline:hover{border-color:var(--brand);color:var(--brand-deep);transform:translateY(-2px);box-shadow:var(--sh)}
.btn-light{background:#fff;color:var(--brand-deep);box-shadow:0 14px 32px rgba(10,6,40,.28)}
.btn-light:hover{transform:translateY(-2px);color:var(--brand-deep)}
.btn-ghost-light{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.3)}
.btn-ghost-light:hover{background:rgba(255,255,255,.2);color:#fff}
.btn-sm{padding:10px 20px;font-size:14px}
.btn-lg{padding:16px 34px;font-size:16px}

/* ============ 顶部导航 ============ */
.site-header{
 position:sticky;top:0;z-index:80;padding:12px 0;
 background:rgba(246,245,251,.86);
 backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
 transition:box-shadow .28s ease;
}
.nav-card{
 display:flex;align-items:center;gap:16px;
 background:var(--surface);border:1px solid var(--line);
 border-radius:var(--r-lg);padding:10px 12px 10px 16px;
 box-shadow:var(--sh-sm);
}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.brand-mark{
 width:42px;height:42px;border-radius:14px;flex:0 0 auto;
 background:linear-gradient(135deg,var(--brand) 0%,var(--accent) 100%);
 color:#fff;display:grid;place-items:center;font-size:19px;font-weight:800;
 box-shadow:0 8px 18px rgba(107,63,242,.32);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-size:19px;font-weight:800;letter-spacing:.2px}
.brand-tag{font-size:10.5px;font-weight:600;letter-spacing:2.2px;color:var(--muted)}
.nav-main{display:flex;align-items:center;gap:4px;margin-left:8px}
.nav-link{
 padding:9px 16px;border-radius:var(--r-pill);
 font-size:15px;font-weight:600;color:var(--ink-soft);white-space:nowrap;
}
.nav-link:hover{background:var(--brand-soft);color:var(--brand-deep)}
.nav-link.is-active{background:linear-gradient(120deg,var(--brand),#9a6bff);color:#fff;box-shadow:0 8px 18px rgba(107,63,242,.28)}
.nav-link.is-active:hover{color:#fff}
.nav-search{
 margin-left:auto;display:flex;align-items:center;gap:8px;
 background:var(--surface-2);border:1px solid transparent;border-radius:var(--r-pill);
 padding:9px 16px;min-width:206px;transition:background .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.nav-search:focus-within{background:#fff;border-color:var(--brand);box-shadow:0 0 0 4px rgba(107,63,242,.13)}
.nav-search i{color:var(--muted);font-size:13px}
.nav-search input{border:0;background:none;outline:none;width:100%;font-size:14px}
.nav-search input::placeholder{color:#a9a5c4}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav-toggle{
 display:none;width:44px;height:44px;border-radius:14px;
 background:var(--surface-2);color:var(--ink);place-items:center;font-size:17px;
 transition:background .24s ease,color .24s ease;
}
.nav-toggle:hover{background:var(--brand-soft);color:var(--brand-deep)}
.nav-toggle.is-active{background:var(--brand);color:#fff}
.mobile-nav{
 display:none;margin-top:10px;padding:14px;
 background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh);
}
.mobile-nav.is-open{display:block;animation:dropIn .26s ease}
.mobile-nav a{display:block;padding:12px 16px;border-radius:14px;font-weight:600;color:var(--ink-soft)}
.mobile-nav a:hover{background:var(--surface-2)}
.mobile-nav a.is-active{background:var(--brand-soft);color:var(--brand-deep)}
@keyframes dropIn{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:none}}

/* ============ 首屏 ============ */
.hero{
 position:relative;overflow:hidden;
 background:radial-gradient(130% 115% at 15% -12%,#37217e 0%,#1a1440 46%,#0b0919 100%);
 color:#fff;padding:66px 0 128px;
}
.hero-bg{position:absolute;inset:0;pointer-events:none;overflow:hidden}
.hero-orb{position:absolute;border-radius:50%;filter:blur(86px)}
.hero-orb.o1{width:440px;height:440px;background:rgba(107,63,242,.66);top:-170px;left:-110px}
.hero-orb.o2{width:390px;height:390px;background:rgba(255,77,141,.42);bottom:-190px;right:-100px}
.hero-orb.o3{width:320px;height:320px;background:rgba(18,194,160,.3);top:30%;right:14%}
.hero-lines{
 position:absolute;inset:0;
 background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
 background-size:66px 66px;
 -webkit-mask-image:radial-gradient(72% 72% at 50% 40%,#000 18%,transparent 100%);
 mask-image:radial-gradient(72% 72% at 50% 40%,#000 18%,transparent 100%);
}
.hero-inner{position:relative;z-index:2;text-align:center}
.hero-badge{
 display:inline-flex;align-items:center;gap:8px;
 padding:7px 16px;border-radius:var(--r-pill);
 background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);
 font-size:13px;font-weight:600;letter-spacing:.4px;color:#e8e3ff;
}
.hero-badge .pulse{width:7px;height:7px;border-radius:50%;background:var(--mint);box-shadow:0 0 0 4px rgba(18,194,160,.25)}
.hero-title{
 margin:22px auto 0;max-width:900px;
 font-size:clamp(29px,4.6vw,54px);line-height:1.2;font-weight:800;letter-spacing:-.4px;
}
.hero-title em{
 font-style:normal;
 background:linear-gradient(100deg,#c9b6ff 0%,#ff9dc2 100%);
 -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{
 margin:20px auto 0;max-width:720px;color:rgba(233,230,255,.82);
 font-size:clamp(15px,1.4vw,17.5px);
}
.hero-cta{margin-top:30px;display:flex;flex-wrap:wrap;gap:14px;justify-content:center}
.hero-meta{
 margin-top:22px;display:flex;flex-wrap:wrap;gap:10px 26px;justify-content:center;
 font-size:13.5px;color:rgba(222,218,250,.72);
}
.hero-meta span{display:inline-flex;align-items:center;gap:7px}
.hero-meta i{color:var(--mint)}

/* 首屏舞台 */
.hero-stage{
 margin-top:52px;display:grid;grid-template-columns:0.86fr 1.5fr 0.86fr;
 gap:22px;align-items:center;text-align:left;
}
.value-side{display:flex;flex-direction:column;gap:16px}
.value-item{
 display:flex;gap:13px;align-items:flex-start;
 padding:18px;border-radius:var(--r-md);
 background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.13);
 backdrop-filter:blur(8px);
 transition:transform .26s ease,background .26s ease,border-color .26s ease;
}
.value-item:hover{transform:translateY(-4px);background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.26)}
.vi-ico{
 width:38px;height:38px;flex:0 0 auto;border-radius:12px;display:grid;place-items:center;
 background:linear-gradient(135deg,rgba(107,63,242,.95),rgba(255,77,141,.9));
 font-size:15px;color:#fff;
}
.value-item b{display:block;font-size:14.5px;font-weight:700;letter-spacing:.2px}
.value-item p{margin:4px 0 0;font-size:13px;line-height:1.6;color:rgba(226,222,250,.74)}
.stage-panel{
 padding:20px;border-radius:var(--r-xl);
 background:linear-gradient(180deg,rgba(255,255,255,.98),rgba(244,241,255,.96));
 color:var(--ink);box-shadow:0 32px 70px rgba(5,3,26,.5);
 border:1px solid rgba(255,255,255,.6);
}
.stage-head{display:flex;align-items:center;gap:10px;padding-bottom:14px;border-bottom:1px dashed var(--line)}
.dot-row{display:flex;gap:5px}
.dot-row i{width:9px;height:9px;border-radius:50%;background:#dcd7f0}
.dot-row i:first-child{background:var(--accent)}
.dot-row i:nth-child(2){background:var(--amber)}
.dot-row i:nth-child(3){background:var(--mint)}
.stage-title{font-size:15px;font-weight:800}
.stage-live{
 margin-left:auto;font-size:12px;font-weight:700;color:var(--mint);
 background:rgba(18,194,160,.12);padding:3px 10px;border-radius:var(--r-pill);
}
.stage-chiprow{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0 6px}
.stage-chip{
 font-size:12.5px;font-weight:600;color:var(--ink-soft);
 background:var(--surface-2);padding:5px 12px;border-radius:var(--r-pill);
}
.stage-chip.on{background:var(--brand-soft);color:var(--brand-deep)}
.heat-list{display:flex;flex-direction:column;gap:13px;margin-top:14px}
.heat-item{display:grid;grid-template-columns:26px 1fr auto;gap:10px;align-items:center}
.heat-no{
 width:26px;height:26px;border-radius:9px;display:grid;place-items:center;
 font-size:12.5px;font-weight:800;background:var(--surface-2);color:var(--ink-soft);
}
.heat-item:first-child .heat-no{background:linear-gradient(135deg,var(--brand),var(--accent));color:#fff}
.heat-name{font-size:13.5px;font-weight:600;margin-bottom:6px;display:block}
.heat-track{height:7px;border-radius:var(--r-pill);background:var(--surface-2);overflow:hidden}
.heat-track i{display:block;height:100%;border-radius:var(--r-pill);background:linear-gradient(90deg,var(--brand),var(--accent))}
.heat-val{font-size:12.5px;font-weight:700;color:var(--brand-deep)}
.stage-foot{
 margin-top:18px;padding-top:14px;border-top:1px dashed var(--line);
 display:flex;align-items:center;gap:10px;font-size:12.8px;color:var(--muted);
}
.ava-stack{display:flex}
.ava-stack span{
 width:26px;height:26px;border-radius:50%;margin-left:-8px;border:2px solid #fff;
 display:grid;place-items:center;font-size:11px;font-weight:700;color:#fff;
}
.ava-stack span:first-child{margin-left:0}

/* ============ 数据条 ============ */
.stat-strip{
 position:relative;z-index:5;margin-top:-70px;
 background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
 box-shadow:var(--sh);
 display:grid;grid-template-columns:repeat(4,1fr);gap:10px;
 padding:26px 22px;
}
.stat-item{text-align:center;padding:6px 10px;border-right:1px solid var(--line)}
.stat-item:last-child{border-right:0}
.stat-num{
 font-size:clamp(24px,2.6vw,32px);font-weight:800;letter-spacing:-.5px;
 background:linear-gradient(120deg,var(--brand),var(--accent));
 -webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat-label{font-size:13px;color:var(--muted);margin-top:2px}

/* ============ 板块通用 ============ */
.section{padding:var(--space) 0}
.section--soft{background:linear-gradient(180deg,#f1effa 0%,#f6f5fb 100%)}
.section--white{background:var(--surface)}
.section--dark{background:radial-gradient(120% 120% at 82% -10%,#2b1f66 0%,#151136 48%,#0b0919 100%);color:#fff}
.section-head{max-width:720px;margin-bottom:40px}
.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:2px;text-transform:uppercase;
 color:var(--brand-deep);background:var(--brand-soft);
 padding:6px 14px;border-radius:var(--r-pill);
}
.section--dark .eyebrow{background:rgba(255,255,255,.12);color:#d8ccff}
.sec-title{margin:16px 0 0;font-size:clamp(23px,3vw,34px);font-weight:800;line-height:1.28;letter-spacing:-.3px}
.sec-desc{margin:14px 0 0;color:var(--muted);font-size:15.5px}
.section--dark .sec-desc{color:rgba(228,224,250,.76)}

/* ============ 频道 Tabs ============ */
.ch-tabs{
 display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px;
 padding:11px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-sm);
}
.ch-tab{
 padding:10px 20px;border-radius:var(--r-pill);font-size:14.5px;font-weight:700;color:var(--ink-soft);
 background:transparent;transition:all .22s ease;
}
.ch-tab:hover{background:var(--surface-2);color:var(--brand-deep)}
.ch-tab.active{background:linear-gradient(120deg,var(--brand),#9a6bff);color:#fff;box-shadow:0 10px 22px rgba(107,63,242,.3)}
.talk-card{
 height:100%;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
 padding:22px;box-shadow:var(--sh-sm);
 transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.talk-card:hover{transform:translateY(-6px);box-shadow:var(--sh);border-color:#d8cff8}
.talk-top{display:flex;align-items:center;gap:11px;margin-bottom:14px}
.talk-ava{
 width:40px;height:40px;border-radius:13px;display:grid;place-items:center;
 font-size:15px;font-weight:800;color:#fff;flex:0 0 auto;
}
.a1{background:linear-gradient(135deg,#6b3ff2,#a97bff)}
.a2{background:linear-gradient(135deg,#ff4d8d,#ff8fb4)}
.a3{background:linear-gradient(135deg,#12c2a0,#5fe0c6)}
.a4{background:linear-gradient(135deg,#ffb020,#ffd37a)}
.talk-meta{line-height:1.35}
.talk-meta b{display:block;font-size:14.5px;font-weight:700}
.talk-meta span{font-size:12.5px;color:var(--muted)}
.talk-title{margin:0 0 8px;font-size:17px;font-weight:800;line-height:1.45}
.talk-title a:hover{color:var(--brand-deep)}
.talk-text{margin:0;font-size:14px;color:var(--ink-soft);line-height:1.8}
.talk-foot{
 margin-top:16px;padding-top:14px;border-top:1px solid var(--line);
 display:flex;flex-wrap:wrap;align-items:center;gap:8px 16px;
 font-size:12.8px;color:var(--muted);
}
.talk-foot i{color:var(--brand);margin-right:4px}
.tag{
 display:inline-flex;align-items:center;gap:6px;
 font-size:12.5px;font-weight:700;padding:5px 13px;border-radius:var(--r-pill);
 background:var(--brand-soft);color:var(--brand-deep);
}
.tag.mint{background:rgba(18,194,160,.13);color:#0d8f77}
.tag.pink{background:var(--accent-soft);color:#c72b67}
.tag.amber{background:rgba(255,176,32,.16);color:#a86a00}
.tag-row{display:flex;flex-wrap:wrap;gap:9px;margin-top:16px}

/* ============ 创作者 ============ */
.creator-card{
 height:100%;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
 padding:24px;box-shadow:var(--sh-sm);position:relative;overflow:hidden;
 transition:transform .26s ease,box-shadow .26s ease;
}
.creator-card::after{
 content:"";position:absolute;top:-40px;right:-40px;width:120px;height:120px;border-radius:50%;
 background:radial-gradient(circle,rgba(107,63,242,.14),transparent 70%);
}
.creator-card:hover{transform:translateY(-6px);box-shadow:var(--sh)}
.creator-head{display:flex;align-items:center;gap:14px;position:relative;z-index:1}
.creator-ava{
 width:58px;height:58px;border-radius:20px;display:grid;place-items:center;
 font-size:22px;font-weight:800;color:#fff;flex:0 0 auto;
}
.creator-name{font-size:17px;font-weight:800;margin:0}
.creator-field{font-size:13px;color:var(--muted);margin:2px 0 0}
.creator-stats{
 display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:18px 0 0;
 padding:14px;border-radius:var(--r-sm);background:var(--surface-2);text-align:center;
}
.creator-stats b{display:block;font-size:16px;font-weight:800;color:var(--brand-deep)}
.creator-stats span{font-size:12px;color:var(--muted)}
.creator-note{margin:16px 0 0;font-size:14px;color:var(--ink-soft);line-height:1.8}

/* ============ 排行榜 ============ */
.rank-list{display:flex;flex-direction:column;gap:10px}
.rank-row{
 display:grid;grid-template-columns:52px 1fr 150px 92px;gap:14px;align-items:center;
 padding:16px 20px;border-radius:var(--r-md);
 background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);
 transition:background .24s ease,transform .24s ease,border-color .24s ease;
}
.rank-row:hover{background:rgba(255,255,255,.12);transform:translateX(5px);border-color:rgba(255,255,255,.24)}
.rank-no{
 width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
 font-weight:800;font-size:15px;background:rgba(255,255,255,.12);color:#fff;
}
.rank-row:nth-child(1) .rank-no{background:linear-gradient(135deg,#ffb020,#ff7a45)}
.rank-row:nth-child(2) .rank-no{background:linear-gradient(135deg,#a5b4d4,#cfd8ea);color:#1b1740}
.rank-row:nth-child(3) .rank-no{background:linear-gradient(135deg,#e08b52,#f3b98a)}
.rank-name{font-size:15.5px;font-weight:700}
.rank-sub{font-size:12.8px;color:rgba(226,222,250,.66);margin-top:2px}
.rank-bar{height:8px;border-radius:var(--r-pill);background:rgba(255,255,255,.14);overflow:hidden}
.rank-bar i{display:block;height:100%;border-radius:var(--r-pill);background:linear-gradient(90deg,#9a6bff,#ff8fb4)}
.rank-heat{text-align:right;font-size:13.5px;font-weight:800;color:#c9b6ff}

/* ============ 流程 ============ */
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:flow}
.flow-step{
 position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
 padding:26px 22px;box-shadow:var(--sh-sm);height:100%;
 transition:transform .26s ease,box-shadow .26s ease;
}
.flow-step:hover{transform:translateY(-6px);box-shadow:var(--sh)}
.flow-no{
 width:44px;height:44px;border-radius:14px;display:grid;place-items:center;
 font-size:16px;font-weight:800;color:#fff;margin-bottom:16px;
 background:linear-gradient(135deg,var(--brand),var(--accent));
 box-shadow:0 10px 22px rgba(107,63,242,.28);
}
.flow-step h3{margin:0 0 8px;font-size:17px;font-weight:800}
.flow-step p{margin:0;font-size:14px;color:var(--ink-soft);line-height:1.8}
.flow-step::before{
 content:"";position:absolute;top:47px;right:-20px;width:20px;height:2px;
 background:linear-gradient(90deg,var(--brand-soft),transparent);
}
.flow-grid .flow-step:last-child::before{display:none}

/* ============ 保障条 ============ */
.guard-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.guard-card{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
 padding:24px 20px;height:100%;box-shadow:var(--sh-sm);
 transition:border-color .24s ease,transform .24s ease;
}
.guard-card:hover{border-color:#d8cff8;transform:translateY(-4px)}
.guard-ico{
 width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
 font-size:18px;margin-bottom:14px;
}
.guard-ico.g1{background:var(--brand-soft);color:var(--brand-deep)}
.guard-ico.g2{background:rgba(18,194,160,.13);color:#0d8f77}
.guard-ico.g3{background:var(--accent-soft);color:#c72b67}
.guard-ico.g4{background:rgba(255,176,32,.16);color:#a86a00}
.guard-card h3{margin:0 0 8px;font-size:16.5px;font-weight:800}
.guard-card p{margin:0;font-size:14px;color:var(--ink-soft);line-height:1.8}

/* ============ FAQ ============ */
.faq-wrap{max-width:880px;margin:0 auto}
.faq-item{
 background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
 margin-bottom:14px;overflow:hidden;box-shadow:var(--sh-sm);
 transition:border-color .24s ease,box-shadow .24s ease;
}
.faq-item:hover{border-color:#d8cff8}
.faq-item.is-open{box-shadow:var(--sh);border-color:#d8cff8}
.faq-q{
 width:100%;display:flex;align-items:center;gap:14px;text-align:left;
 padding:20px 22px;font-size:16.5px;font-weight:700;color:var(--ink);
}
.faq-q .q-ico{
 width:30px;height:30px;flex:0 0 auto;border-radius:10px;display:grid;place-items:center;
 background:var(--brand-soft);color:var(--brand-deep);font-size:13px;
 transition:transform .26s ease,background .26s ease,color .26s ease;
}
.faq-item.is-open .q-ico{transform:rotate(45deg);background:var(--brand);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .34s ease}
.faq-a p{margin:0;padding:0 22px 22px 66px;font-size:14.5px;color:var(--ink-soft);line-height:1.85}
.faq-item.is-open .faq-a{max-height:320px}

/* ============ 收口 CTA ============ */
.cta-band{
 position:relative;overflow:hidden;
 border-radius:var(--r-xl);padding:clamp(34px,5vw,58px);
 background:radial-gradient(120% 130% at 88% 0%,#3c2585 0%,#1b1444 52%,#100c2b 100%);
 color:#fff;text-align:center;
 box-shadow:var(--sh-lg);
}
.cta-band::after{
 content:"";position:absolute;width:360px;height:360px;border-radius:50%;
 background:rgba(255,77,141,.28);filter:blur(90px);bottom:-190px;left:-90px;
}
.cta-band h2{margin:0;font-size:clamp(23px,3.2vw,36px);font-weight:800;position:relative;z-index:1}
.cta-band p{margin:14px auto 0;max-width:640px;color:rgba(228,224,250,.8);position:relative;z-index:1;font-size:15.5px}
.cta-band .hero-cta{margin-top:28px;position:relative;z-index:1}
.cta-mini{margin-top:18px;font-size:13.2px;color:rgba(222,218,250,.66);position:relative;z-index:1}

/* ============ 底部固定转化条 ============ */
.cta-dock{
 position:fixed;left:0;right:0;bottom:0;z-index:90;
 background:rgba(15,13,34,.94);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
 border-top:1px solid rgba(255,255,255,.12);
 padding:12px 0;color:#fff;
 transition:transform .3s ease;
}
.cta-dock.is-hidden{transform:translateY(110%)}
.cta-dock .container{display:flex;align-items:center;gap:16px}
.dock-text{display:flex;align-items:center;gap:10px;font-size:14.2px;color:rgba(232,228,255,.88);min-width:0}
.dock-text b{color:#fff;white-space:nowrap}
.dock-dot{width:8px;height:8px;border-radius:50%;background:var(--mint);box-shadow:0 0 0 4px rgba(18,194,160,.22);flex:0 0 auto}
.dock-actions{margin-left:auto;display:flex;align-items:center;gap:10px;flex:0 0 auto}
.dock-close{
 width:36px;height:36px;border-radius:12px;display:grid;place-items:center;
 background:rgba(255,255,255,.1);color:#fff;
}
.dock-close:hover{background:rgba(255,255,255,.22)}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:rgba(226,222,250,.72);padding:62px 0 26px;margin-top:0}
.foot-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:36px}
.foot-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px}
.foot-brand .brand-mark{width:40px;height:40px;border-radius:13px;font-size:18px}
.foot-brand b{color:#fff;font-size:18px;font-weight:800}
.foot-desc{margin:0;font-size:14px;line-height:1.85;max-width:380px}
.foot-col h4{margin:0 0 16px;font-size:15px;font-weight:800;color:#fff}
.foot-links{display:flex;flex-direction:column;gap:11px}
.foot-links a{font-size:14px;color:rgba(226,222,250,.72)}
.foot-links a:hover{color:#fff;transform:translateX(3px)}
.foot-bottom{
 margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
 display:flex;flex-wrap:wrap;gap:10px 20px;justify-content:space-between;
 font-size:13px;color:rgba(226,222,250,.6);
}
.foot-bottom .domain{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.4px}

/* ============ 响应式 ============ */
@media (max-width:1100px){
 .nav-search{display:none}
 .hero-stage{grid-template-columns:1fr;gap:18px}
 .value-side{flex-direction:row}
 .value-item{flex:1}
 .flow-grid{grid-template-columns:repeat(2,1fr)}
 .flow-step::before{display:none}
 .guard-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:900px){
 .nav-main{display:none}
 .nav-toggle{display:grid}
 .nav-card{padding:10px}
 .stat-strip{grid-template-columns:repeat(2,1fr);gap:6px;margin-top:-56px}
 .stat-item:nth-child(2){border-right:0}
 .stat-item{padding:10px 6px}
 .foot-grid{grid-template-columns:1fr 1fr;gap:28px}
 .rank-row{grid-template-columns:44px 1fr 84px;gap:12px}
 .rank-bar{display:none}
}
@media (max-width:640px){
 .hero{padding:52px 0 112px}
 .value-side{flex-direction:column}
 .hero-cta .btn{width:100%}
 .stat-strip{grid-template-columns:repeat(2,1fr);padding:18px 12px}
 .creator-stats{grid-template-columns:repeat(3,1fr)}
 .foot-grid{grid-template-columns:1fr}
 .faq-q{font-size:15.5px;padding:17px 18px}
 .faq-a p{padding:0 18px 20px 18px}
 .cta-dock .container{flex-wrap:nowrap;gap:10px}
 .dock-text span.hide-sm{display:none}
 .rank-row{grid-template-columns:40px 1fr;}
 .rank-row .rank-bar,.rank-row .rank-heat{display:none}
 .guard-grid{grid-template-columns:1fr}
 .flow-grid{grid-template-columns:1fr}
 body{padding-bottom:96px}
}

/* roulang page: category1 */
:root{
 --brand:#6b3ff2;
 --brand-deep:#4c22c9;
 --brand-soft:#efeaff;
 --accent:#ff4d8d;
 --accent-soft:#ffe9f2;
 --mint:#12c2a0;
 --amber:#ffb020;
 --ink:#14122b;
 --ink-soft:#413d63;
 --muted:#75719a;
 --bg:#f6f5fb;
 --surface:#ffffff;
 --surface-2:#f1effa;
 --line:#e7e3f5;
 --dark:#0f0d22;
 --dark-2:#1b1740;
 --r-sm:12px;
 --r-md:16px;
 --r-lg:24px;
 --r-xl:32px;
 --r-pill:999px;
 --sh-sm:0 2px 10px rgba(20,18,43,.05);
 --sh:0 14px 36px rgba(20,18,43,.09);
 --sh-lg:0 28px 64px rgba(20,18,43,.16);
 --space:clamp(52px,7vw,96px);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:104px}
body{
 margin:0;
 background:var(--bg);
 color:var(--ink);
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
 font-size:16px;
 line-height:1.75;
 -webkit-font-smoothing:antialiased;
 overflow-x:hidden;
}
a{color:inherit;text-decoration:none;transition:color .22s ease,background-color .22s ease,border-color .22s ease,transform .22s ease,box-shadow .22s ease}
img,svg{max-width:100%;display:block}
button,input{font-family:inherit;font-size:inherit;color:inherit}
button{border:0;background:none;cursor:pointer}
h1,h2,h3,h4,p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}
::selection{background:var(--brand);color:#fff}
:focus-visible{outline:3px solid rgba(107,63,242,.45);outline-offset:2px;border-radius:8px}
/* ============ 按钮系统 ============ */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:9px;
 padding:14px 28px;border-radius:var(--r-pill);font-size:15px;font-weight:700;
 border:1px solid transparent;white-space:nowrap;letter-spacing:.2px;
 transition:transform .24s ease,box-shadow .24s ease,background .24s ease,color .24s ease,border-color .24s ease;
}
.btn i{font-size:13px}
.btn-primary{background:linear-gradient(120deg,var(--brand) 0%,var(--accent) 120%);color:#fff;box-shadow:0 12px 28px rgba(107,63,242,.34)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 38px rgba(107,63,242,.42);color:#fff}
.btn-primary:active{transform:translateY(0)}
.btn-outline{background:var(--surface);color:var(--ink);border-color:var(--line);box-shadow:var(--sh-sm)}
.btn-outline:hover{border-color:var(--brand);color:var(--brand-deep);transform:translateY(-2px);box-shadow:var(--sh)}
.btn-light{background:#fff;color:var(--brand-deep);box-shadow:0 14px 32px rgba(10,6,40,.28)}
.btn-light:hover{transform:translateY(-2px);color:var(--brand-deep)}
.btn-ghost-light{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.3)}
.btn-ghost-light:hover{background:rgba(255,255,255,.2);color:#fff}
.btn-sm{padding:10px 20px;font-size:14px}
.btn-lg{padding:16px 34px;font-size:16px}
/* ============ 顶部导航 ============ */
.site-header{
 position:sticky;top:0;z-index:80;padding:12px 0;
 background:rgba(246,245,251,.86);
 backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
 transition:box-shadow .28s ease;
}
.site-header.is-stuck{box-shadow:0 10px 30px rgba(20,18,43,.08)}
.nav-card{
 display:flex;align-items:center;gap:16px;
 background:var(--surface);border:1px solid var(--line);
 border-radius:var(--r-lg);padding:10px 12px 10px 16px;
 box-shadow:var(--sh-sm);
}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.brand-mark{
 width:42px;height:42px;border-radius:14px;flex:0 0 auto;
 background:linear-gradient(135deg,var(--brand) 0%,var(--accent) 100%);
 color:#fff;display:grid;place-items:center;font-size:19px;font-weight:800;
 box-shadow:0 8px 18px rgba(107,63,242,.32);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-size:19px;font-weight:800;letter-spacing:.2px}
.brand-tag{font-size:10.5px;font-weight:600;letter-spacing:2.2px;color:var(--muted)}
.nav-main{display:flex;align-items:center;gap:4px;margin-left:8px}
.nav-link{
 padding:9px 16px;border-radius:var(--r-pill);
 font-size:15px;font-weight:600;color:var(--ink-soft);white-space:nowrap;
}
.nav-link:hover{background:var(--brand-soft);color:var(--brand-deep)}
.nav-link.is-active{background:linear-gradient(120deg,var(--brand),#9a6bff);color:#fff;box-shadow:0 8px 18px rgba(107,63,242,.28)}
.nav-link.is-active:hover{color:#fff}
.nav-search{
 margin-left:auto;display:flex;align-items:center;gap:8px;
 background:var(--surface-2);border:1px solid transparent;border-radius:var(--r-pill);
 padding:9px 16px;min-width:206px;transition:background .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.nav-search:focus-within{background:#fff;border-color:var(--brand);box-shadow:0 0 0 4px rgba(107,63,242,.13)}
.nav-search i{color:var(--muted);font-size:13px}
.nav-search input{border:0;background:none;outline:none;width:100%;font-size:14px}
.nav-search input::placeholder{color:#a9a5c4}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav-toggle{
 display:none;width:44px;height:44px;border-radius:14px;
 background:var(--surface-2);color:var(--ink);place-items:center;font-size:17px;
 transition:background .24s ease,color .24s ease;
}
.nav-toggle:hover{background:var(--brand-soft);color:var(--brand-deep)}
.nav-toggle.is-active{background:var(--brand);color:#fff}
.mobile-nav{
 display:none;margin-top:10px;padding:14px;
 background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh);
}
.mobile-nav.is-open{display:block;animation:dropIn .26s ease}
.mobile-nav a{display:block;padding:12px 16px;border-radius:14px;font-weight:600;color:var(--ink-soft)}
.mobile-nav a:hover{background:var(--surface-2)}
.mobile-nav a.is-active{background:var(--brand-soft);color:var(--brand-deep)}
@keyframes dropIn{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}
/* ============ 首屏（视频遮罩） ============ */
.hero{
 position:relative;overflow:hidden;
 background:radial-gradient(130% 115% at 15% -10%,#37217e 0%,#1a1440 44%,#0b0919 100%);
 color:#fff;padding:64px 0 0;
}
.hero-bg{position:absolute;inset:0;pointer-events:none;overflow:hidden}
.hero-orb{position:absolute;border-radius:50%;filter:blur(84px)}
.hero-orb.o1{width:440px;height:440px;background:rgba(107,63,242,.66);top:-170px;left:-110px}
.hero-orb.o2{width:390px;height:390px;background:rgba(255,77,141,.42);bottom:-190px;right:-100px}
.hero-orb.o3{width:300px;height:300px;background:rgba(18,194,160,.3);top:32%;right:14%}
.hero-lines{
 position:absolute;inset:0;
 background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
 background-size:66px 66px;
 -webkit-mask-image:radial-gradient(72% 72% at 50% 42%,#000 18%,transparent 100%);
 mask-image:radial-gradient(72% 72% at 50% 42%,#000 18%,transparent 100%);
}
.hero-inner{position:relative;z-index:2}
.eyebrow{
 display:inline-flex;align-items:center;gap:8px;
 padding:7px 16px;border-radius:var(--r-pill);
 font-size:12.5px;font-weight:700;letter-spacing:1.4px;
 background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);color:#e4dcff;
}
.eyebrow i{color:var(--amber)}
.hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:48px;align-items:center;margin-top:26px}
.hero h1{
 font-size:clamp(29px,4.3vw,50px);line-height:1.16;font-weight:800;letter-spacing:-.6px;
 margin:0 0 18px;
}
.hero h1 em{
 font-style:normal;
 background:linear-gradient(100deg,#b79bff,#ff8fbb);
 -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{font-size:16.5px;line-height:1.85;color:rgba(255,255,255,.78);max-width:560px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.hero-points span{
 display:inline-flex;align-items:center;gap:7px;
 font-size:13px;font-weight:600;color:rgba(255,255,255,.85);
 background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);
 padding:7px 14px;border-radius:var(--r-pill);
}
.hero-points i{color:var(--mint);font-size:12px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
/* 视频视觉框 */
.video-frame{
 position:relative;border-radius:var(--r-xl);overflow:hidden;
 border:1px solid rgba(255,255,255,.16);
 background:linear-gradient(155deg,#2c1f68 0%,#1a1440 52%,#100c2b 100%);
 aspect-ratio:16/10;
 box-shadow:var(--sh-lg);
}
.video-frame::before{
 content:"";position:absolute;inset:0;
 background-image:radial-gradient(circle at 28% 32%,rgba(255,77,141,.38),transparent 46%),radial-gradient(circle at 76% 68%,rgba(18,194,160,.3),transparent 44%);
}
.video-frame::after{
 content:"";position:absolute;inset:0;
 background:linear-gradient(180deg,rgba(10,7,26,.1) 0%,rgba(10,7,26,.72) 100%);
}
.video-bars{position:absolute;inset:0;display:grid;grid-template-columns:repeat(14,1fr);gap:6px;padding:22px;opacity:.32}
.video-bars span{border-radius:4px;background:linear-gradient(180deg,rgba(255,255,255,.5),rgba(255,255,255,.06))}
.video-bars span:nth-child(3n){height:56%;align-self:center}
.video-bars span:nth-child(4n){height:80%;align-self:flex-end}
.video-bars span:nth-child(5n){height:38%;align-self:center}
.play-btn{
 position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
 width:78px;height:78px;border-radius:50%;z-index:3;
 display:grid;place-items:center;font-size:24px;color:#fff;
 background:linear-gradient(135deg,var(--brand),var(--accent));
 box-shadow:0 18px 40px rgba(107,63,242,.55);
 animation:pulse 2.6s infinite;
 transition:transform .25s ease;
}
.play-btn:hover{transform:translate(-50%,-50%) scale(1.07)}
@keyframes pulse{
 0%{box-shadow:0 0 0 0 rgba(255,77,141,.5)}
 70%{box-shadow:0 0 0 26px rgba(255,77,141,0)}
 100%{box-shadow:0 0 0 0 rgba(255,77,141,0)}
}
.video-pill{
 position:absolute;top:16px;left:16px;z-index:3;
 font-size:12px;font-weight:700;letter-spacing:.6px;
 background:rgba(10,7,26,.6);border:1px solid rgba(255,255,255,.22);
 color:#fff;padding:6px 13px;border-radius:var(--r-pill);
 backdrop-filter:blur(6px);
}
.video-caption{
 position:absolute;left:20px;right:20px;bottom:18px;z-index:3;
 display:flex;align-items:flex-end;justify-content:space-between;gap:14px;flex-wrap:wrap;
}
.video-caption b{display:block;font-size:16px;font-weight:800}
.video-caption span{display:block;font-size:12.5px;color:rgba(255,255,255,.7);margin-top:2px}
.video-live{
 font-size:11.5px;font-weight:700;color:#0b0919;
 background:var(--amber);padding:6px 12px;border-radius:var(--r-pill);
}
/* 首屏统计条 */
.hero-stats{
 position:relative;z-index:2;margin-top:52px;
 display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
 background:rgba(255,255,255,.12);
 border:1px solid rgba(255,255,255,.14);
 border-bottom:0;
 border-radius:var(--r-lg) var(--r-lg) 0 0;
 overflow:hidden;
}
.hero-stat{background:rgba(255,255,255,.05);padding:20px 22px;backdrop-filter:blur(4px)}
.hero-stat b{display:block;font-size:clamp(20px,2.4vw,27px);font-weight:800;letter-spacing:-.4px;color:#fff}
.hero-stat b i{font-size:14px;font-style:normal;color:var(--amber);margin-left:3px}
.hero-stat span{display:block;font-size:12.5px;color:rgba(255,255,255,.6);margin-top:4px}
/* ============ 通用板块 ============ */
.section{padding:var(--space) 0}
.section.is-tint{background:var(--surface-2)}
.section.is-white{background:var(--surface)}
.section-head{max-width:760px;margin-bottom:42px}
.section-head.is-center{margin-left:auto;margin-right:auto;text-align:center}
.section-eyebrow{
 display:inline-flex;align-items:center;gap:8px;
 font-size:12.5px;font-weight:700;letter-spacing:1.6px;
 color:var(--brand-deep);background:var(--brand-soft);
 padding:7px 15px;border-radius:var(--r-pill);margin-bottom:16px;
}
.section-eyebrow.is-accent{color:#c92a67;background:var(--accent-soft)}
.section-eyebrow.is-mint{color:#0a8f77;background:#e2f8f3}
.section-title{font-size:clamp(23px,2.9vw,34px);font-weight:800;line-height:1.3;letter-spacing:-.4px}
.section-title em{font-style:normal;color:var(--brand)}
.section-lead{margin-top:14px;font-size:15.5px;line-height:1.85;color:var(--muted)}
.head-split{display:flex;align-items:flex-end;justify-content:space-between;gap:26px;flex-wrap:wrap;margin-bottom:40px}
.head-split .section-head{margin-bottom:0}
/* ============ 频道矩阵 ============ */
.channel-card{
 height:100%;background:var(--surface);border:1px solid var(--line);
 border-radius:var(--r-lg);padding:26px 24px;
 box-shadow:var(--sh-sm);
 transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
 position:relative;overflow:hidden;
}
.channel-card::after{
 content:"";position:absolute;right:-40px;top:-40px;width:130px;height:130px;border-radius:50%;
 background:var(--brand-soft);opacity:.75;transition:transform .35s ease;
}
.channel-card:hover{transform:translateY(-6px);box-shadow:var(--sh);border-color:#d9d0f8}
.channel-card:hover::after{transform:scale(1.2)}
.channel-top{position:relative;z-index:2;display:flex;align-items:center;gap:13px;margin-bottom:16px}
.channel-icon{
 width:50px;height:50px;border-radius:16px;display:grid;place-items:center;
 font-size:20px;color:#fff;flex:0 0 auto;
 background:linear-gradient(135deg,var(--brand),#9a6bff);
 box-shadow:0 10px 22px rgba(107,63,242,.28);
}
.channel-icon.is-pink{background:linear-gradient(135deg,var(--accent),#ff8db4);box-shadow:0 10px 22px rgba(255,77,141,.3)}
.channel-icon.is-mint{background:linear-gradient(135deg,var(--mint),#59dcc4);box-shadow:0 10px 22px rgba(18,194,160,.28)}
.channel-icon.is-amber{background:linear-gradient(135deg,var(--amber),#ffd271);box-shadow:0 10px 22px rgba(255,176,32,.3);color:#3d2a00}
.channel-name{font-size:18px;font-weight:800;letter-spacing:-.2px}
.channel-cat{font-size:12px;font-weight:600;color:var(--muted);letter-spacing:.4px}
.channel-desc{position:relative;z-index:2;font-size:14.5px;line-height:1.82;color:var(--ink-soft);min-height:78px}
.channel-tags{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:8px;margin:18px 0 0}
.tag{
 display:inline-flex;align-items:center;gap:5px;
 font-size:12px;font-weight:700;padding:5px 11px;border-radius:var(--r-pill);
 background:var(--surface-2);color:var(--ink-soft);
}
.tag.is-brand{background:var(--brand-soft);color:var(--brand-deep)}
.tag.is-accent{background:var(--accent-soft);color:#c92a67}
.tag.is-mint{background:#e2f8f3;color:#0a8f77}
.tag.is-amber{background:#fff4dd;color:#a86a00}
.channel-foot{
 position:relative;z-index:2;margin-top:20px;padding-top:16px;border-top:1px dashed var(--line);
 display:flex;align-items:center;justify-content:space-between;gap:10px;
 font-size:13px;color:var(--muted);font-weight:600;
}
.channel-foot b{color:var(--ink);font-size:15px}
/* ============ 内容形态 ============ */
.format-card{
 height:100%;display:flex;gap:18px;align-items:flex-start;
 background:var(--surface);border:1px solid var(--line);
 border-radius:var(--r-lg);padding:26px 24px;box-shadow:var(--sh-sm);
 transition:transform .28s ease,box-shadow .28s ease;
}
.format-card:hover{transform:translateY(-5px);box-shadow:var(--sh)}
.format-num{
 flex:0 0 auto;width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
 font-size:16px;font-weight:800;color:var(--brand-deep);background:var(--brand-soft);
}
.format-card h3{font-size:17px;font-weight:800;margin-bottom:8px}
.format-card p{font-size:14.5px;line-height:1.8;color:var(--ink-soft)}
.format-meta{margin-top:14px;display:flex;align-items:baseline;gap:8px}
.format-meta b{font-size:22px;font-weight:800;color:var(--brand-deep);letter-spacing:-.5px}
.format-meta span{font-size:12.5px;color:var(--muted);font-weight:600}
/* ============ 时间轴 ============ */
.timeline{position:relative;padding-left:34px}
.timeline::before{
 content:"";position:absolute;left:8px;top:8px;bottom:8px;width:2px;
 background:linear-gradient(180deg,var(--brand),rgba(107,63,242,.06));
}
.tl-item{position:relative;padding-bottom:26px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
 content:"";position:absolute;left:-33px;top:8px;width:16px;height:16px;border-radius:50%;
 background:#fff;border:3px solid var(--brand);box-shadow:0 0 0 4px rgba(107,63,242,.12);
}
.tl-item.is-mint::before{border-color:var(--mint);box-shadow:0 0 0 4px rgba(18,194,160,.14)}
.tl-item.is-accent::before{border-color:var(--accent);box-shadow:0 0 0 4px rgba(255,77,141,.14)}
.tl-time{font-size:13px;font-weight:800;letter-spacing:1.2px;color:var(--brand-deep)}
.tl-body{
 margin-top:10px;background:var(--surface);border:1px solid var(--line);
 border-radius:var(--r-md);padding:18px 20px;box-shadow:var(--sh-sm);
 transition:transform .25s ease,box-shadow .25s ease;
}
.tl-body:hover{transform:translateX(5px);box-shadow:var(--sh)}
.tl-body h3{font-size:16px;font-weight:800;margin-bottom:6px}
.tl-body p{font-size:14.5px;color:var(--ink-soft);line-height:1.8}
.timeline-aside{
 background:linear-gradient(160deg,var(--dark-2),var(--dark));
 border-radius:var(--r-xl);padding:32px 30px;color:#fff;box-shadow:var(--sh);
}
.timeline-aside h3{font-size:19px;font-weight:800;margin-bottom:14px}
.timeline-aside p{font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.72)}
.aside-list{margin-top:22px;display:flex;flex-direction:column;gap:14px}
.aside-list li{display:flex;gap:12px;align-items:flex-start;font-size:14.5px;color:rgba(255,255,255,.88)}
.aside-list i{color:var(--mint);margin-top:5px;font-size:13px}
/* ============ 推荐榜 ============ */
.rank-wrap{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-xl);overflow:hidden;box-shadow:var(--sh-sm)}
.rank-item{
 display:flex;align-items:center;gap:20px;padding:20px 26px;
 border-bottom:1px solid var(--line);transition:background .24s ease,padding-left .24s ease;
}
.rank-item:last-child{border-bottom:0}
.rank-item:hover{background:var(--brand-soft);padding-left:32px}
.rank-no{
 flex:0 0 auto;font-size:20px;font-weight:800;font-style:italic;
 color:#c9c3e6;letter-spacing:-.5px;width:38px;
}
.rank-item:nth-child(1) .rank-no{color:var(--accent)}
.rank-item:nth-child(2) .rank-no{color:var(--brand)}
.rank-item:nth-child(3) .rank-no{color:var(--amber)}
.rank-main{flex:1 1 auto;min-width:0}
.rank-main h3{font-size:15.5px;font-weight:700;line-height:1.5}
.rank-main p{font-size:13px;color:var(--muted);margin-top:4px}
.rank-right{flex:0 0 auto;display:flex;align-items:center;gap:14px}
.rank-score{
 font-size:13px;font-weight:800;color:var(--brand-deep);
 background:var(--brand-soft);padding:5px 12px;border-radius:var(--r-pill);
}
/* ============ 评价 ============ */
.quote-card{
 height:100%;background:var(--surface);border:1px solid var(--line);
 border-radius:var(--r-lg);padding:28px 26px;box-shadow:var(--sh-sm);
 display:flex;flex-direction:column;gap:18px;
 transition:transform .28s ease,box-shadow .28s ease;
}
.quote-card:hover{transform:translateY(-5px);box-shadow:var(--sh)}
.quote-card.is-brand{background:linear-gradient(160deg,#f7f3ff,#fff);border-color:#e2d8ff}
.quote-card.is-accent{background:linear-gradient(160deg,#fff3f8,#fff);border-color:#ffd9e8}
.quote-card.is-mint{background:linear-gradient(160deg,#eefaf7,#fff);border-color:#cdf0e8}
.quote-mark{font-size:26px;color:var(--brand);opacity:.45}
.quote-card p{font-size:15px;line-height:1.85;color:var(--ink-soft);flex:1 1 auto}
.quote-who{display:flex;align-items:center;gap:12px;padding-top:16px;border-top:1px solid var(--line)}
.quote-avatar{
 width:42px;height:42px;border-radius:14px;display:grid;place-items:center;
 font-size:15px;font-weight:800;color:#fff;background:linear-gradient(135deg,var(--brand),#9a6bff);
}
.quote-card.is-accent .quote-avatar{background:linear-gradient(135deg,var(--accent),#ff8db4)}
.quote-card.is-mint .quote-avatar{background:linear-gradient(135deg,var(--mint),#59dcc4)}
.quote-who b{display:block;font-size:14.5px;font-weight:700}
.quote-who span{font-size:12.5px;color:var(--muted)}
/* ============ 对比区 ============ */
.compare-grid{display:grid;grid-template-columns:1fr auto 1fr;gap:24px;align-items:stretch}
.compare-col{
 background:var(--surface);border:1px solid var(--line);
 border-radius:var(--r-lg);padding:30px 28px;box-shadow:var(--sh-sm);
}
.compare-col.is-brand{border-color:#dbd0ff;background:linear-gradient(170deg,#f8f5ff,#fff);box-shadow:0 18px 40px rgba(107,63,242,.12)}
.compare-col h3{font-size:18px;font-weight:800;display:flex;align-items:center;gap:10px;margin-bottom:20px}
.compare-col h3 i{font-size:15px}
.compare-col.is-muted h3{color:var(--muted)}
.compare-col.is-brand h3{color:var(--brand-deep)}
.compare-list{display:flex;flex-direction:column;gap:15px}
.compare-list li{display:flex;gap:11px;font-size:14.5px;line-height:1.7;color:var(--ink-soft)}
.compare-list li i{margin-top:6px;font-size:12.5px;flex:0 0 auto}
.compare-col.is-muted .compare-list li i{color:#bdb8d6}
.compare-col.is-brand .compare-list li i{color:var(--mint)}
.compare-vs{
 align-self:center;width:60px;height:60px;border-radius:50%;
 display:grid;place-items:center;font-size:12.5px;font-weight:800;letter-spacing:1px;
 color:#fff;background:linear-gradient(135deg,var(--brand),var(--accent));
 box-shadow:0 14px 30px rgba(107,63,242,.34);
}
/* ============ 资讯列表 ============ */
.news-list{display:flex;flex-direction:column;gap:14px}
.news-item{
 display:flex;gap:20px;align-items:flex-start;
 background:var(--surface);border:1px solid var(--line);
 border-radius:var(--r-lg);padding:22px 24px;box-shadow:var(--sh-sm);
 transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.news-item:hover{transform:translateX(6px);box-shadow:var(--sh);border-color:#d9d0f8}
.news-date{
 flex:0 0 auto;width:74px;text-align:center;border-radius:var(--r-sm);
 background:var(--surface-2);padding:10px 6px;
}
.news-date b{display:block;font-size:18px;font-weight:800;color:var(--brand-deep);line-height:1.2}
.news-date span{font-size:11.5px;color:var(--muted);font-weight:600}
.news-body h3{font-size:16px;font-weight:700;margin-bottom:6px}
.news-body p{font-size:14px;color:var(--ink-soft);line-height:1.8}
.news-body .tag{margin-top:11px}
/* ============ 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(--r-md);
 box-shadow:var(--sh-sm);overflow:hidden;transition:box-shadow .26s ease,border-color .26s ease;
}
.faq-item[open]{border-color:#dbd0ff;box-shadow:var(--sh)}
.faq-item summary{
 list-style:none;cursor:pointer;padding:20px 24px;
 display:flex;align-items:center;justify-content:space-between;gap:16px;
 font-size:16px;font-weight:700;color:var(--ink);
 transition:background .24s ease,color .24s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{background:var(--brand-soft);color:var(--brand-deep)}
.faq-item summary i{font-size:13px;color:var(--brand);transition:transform .28s ease}
.faq-item[open] summary i{transform:rotate(180deg)}
.faq-item p{padding:0 24px 22px;font-size:14.8px;line-height:1.85;color:var(--ink-soft)}
/* ============ 保障条 ============ */
.band{
 position:relative;overflow:hidden;
 background:radial-gradient(120% 130% at 12% 0%,#33206f 0%,#171235 48%,#0c0a1c 100%);
 border-radius:var(--r-xl);padding:clamp(34px,4.6vw,54px) clamp(26px,4vw,48px);
 color:#fff;box-shadow:var(--sh-lg);
}
.band::after{
 content:"";position:absolute;right:-90px;bottom:-110px;width:320px;height:320px;border-radius:50%;
 background:rgba(255,77,141,.28);filter:blur(70px);
}
.band-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:36px;align-items:center}
.band h2{font-size:clamp(22px,2.7vw,32px);font-weight:800;line-height:1.3;letter-spacing:-.4px}
.band p{margin-top:14px;font-size:15px;line-height:1.85;color:rgba(255,255,255,.74);max-width:520px}
.band-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.band-points{display:flex;flex-direction:column;gap:12px}
.band-point{
 display:flex;gap:12px;align-items:flex-start;
 background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);
 border-radius:var(--r-md);padding:15px 18px;
}
.band-point i{color:var(--mint);margin-top:4px;font-size:14px}
.band-point b{display:block;font-size:14.5px;font-weight:700}
.band-point span{display:block;font-size:13px;color:rgba(255,255,255,.66);margin-top:3px;line-height:1.7}
/* ============ 底部固定转化条 ============ */
.sticky-cta{
 position:fixed;left:0;right:0;bottom:0;z-index:90;
 padding:12px 0;
 background:rgba(15,13,34,.92);
 backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
 border-top:1px solid rgba(255,255,255,.12);
 transform:translateY(110%);transition:transform .32s ease;
}
.sticky-cta.is-show{transform:translateY(0)}
.sticky-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}
.sticky-text{display:flex;align-items:center;gap:14px;min-width:0}
.sticky-dot{
 width:10px;height:10px;border-radius:50%;background:var(--mint);flex:0 0 auto;
 box-shadow:0 0 0 5px rgba(18,194,160,.2);animation:blink 1.8s infinite;
}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.35}}
.sticky-text b{font-size:15px;font-weight:700;color:#fff}
.sticky-text span{font-size:13px;color:rgba(255,255,255,.6)}
.sticky-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:66px 0 96px;margin-top:0}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px}
.foot-brand{display:flex;align-items:center;gap:11px;color:#fff;font-size:19px;font-weight:800}
.foot-brand .brand-mark{width:40px;height:40px;border-radius:13px;font-size:18px}
.foot-desc{font-size:14px;line-height:1.85;margin-top:16px;color:rgba(255,255,255,.62);max-width:340px}
.foot-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px}
.foot-links{display:flex;flex-direction:column;gap:11px}
.foot-links a{font-size:14px;color:rgba(255,255,255,.64)}
.foot-links a:hover{color:#fff;transform:translateX(3px)}
.foot-bottom{
 display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
 border-top:1px solid rgba(255,255,255,.12);margin-top:46px;padding-top:22px;
 font-size:13px;color:rgba(255,255,255,.5);
}
.foot-bottom .domain{color:rgba(255,255,255,.42);letter-spacing:.4px}
/* ============ 响应式 ============ */
@media (max-width:1024px){
 .nav-search{display:none}
 .nav-main{display:none}
 .nav-toggle{display:grid}
 .nav-actions{margin-left:auto}
 .hero-grid{grid-template-columns:1fr;gap:38px}
 .hero-lead{max-width:none}
 .hero-stats{grid-template-columns:repeat(2,1fr)}
 .band-inner{grid-template-columns:1fr;gap:28px}
 .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
 .compare-grid{grid-template-columns:1fr;gap:18px}
 .compare-vs{width:auto;height:auto;border-radius:var(--r-pill);padding:8px 20px;justify-self:center}
}
@media (max-width:768px){
 .site-header{padding:10px 0}
 .nav-card{padding:9px 10px;gap:10px;border-radius:var(--r-md)}
 .brand-mark{width:38px;height:38px;border-radius:12px;font-size:17px}
 .brand-name{font-size:17px}
 .brand-tag{font-size:9.5px;letter-spacing:1.6px}
 .hero{padding-top:48px}
 .hero-stats{margin-top:40px;border-radius:var(--r-md) var(--r-md) 0 0}
 .hero-stat{padding:16px 18px}
 .section{padding:56px 0}
 .section-head{margin-bottom:30px}
 .head-split{margin-bottom:30px}
 .rank-item{padding:16px 18px;gap:14px}
 .rank-item:hover{padding-left:20px}
 .rank-right{flex-direction:column;align-items:flex-end;gap:8px}
 .news-item{gap:14px;padding:18px}
 .news-date{width:64px}
 .compare-col{padding:24px 22px}
 .band{border-radius:var(--r-lg)}
 .sticky-cta{padding:10px 0}
 .sticky-inner{gap:12px}
 .sticky-text span{display:none}
}
@media (max-width:520px){
 .container{padding:0 16px}
 .hero h1{font-size:26px;letter-spacing:-.3px}
 .hero-lead{font-size:15px}
 .hero-cta .btn{width:100%}
 .hero-stats{grid-template-columns:1fr 1fr}
 .hero-stat b{font-size:19px}
 .video-frame{aspect-ratio:4/3}
 .play-btn{width:64px;height:64px;font-size:20px}
 .channel-card,.format-card,.quote-card{padding:22px 20px}
 .format-card{flex-direction:column;gap:14px}
 .format-card h3{font-size:16px}
 .timeline{padding-left:26px}
 .tl-item::before{left:-29px;width:14px;height:14px}
 .news-item{flex-direction:column;gap:12px}
 .news-date{width:auto;display:inline-flex;gap:8px;align-items:baseline;padding:7px 13px}
 .faq-item summary{padding:17px 18px;font-size:15px}
 .faq-item p{padding:0 18px 18px}
 .foot-grid{grid-template-columns:1fr;gap:26px}
 .foot-bottom{flex-direction:column;align-items:flex-start}
 .sticky-actions .btn{padding:11px 20px;font-size:14px}
}

/* 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}