/* roulang page: index */
:root{
  --brand-1:#6D3BFF;
  --brand-2:#00D8C0;
  --brand-grad:linear-gradient(135deg,#6D3BFF 0%,#00D8C0 100%);
  --brand-grad-rev:linear-gradient(135deg,#00D8C0 0%,#6D3BFF 100%);
  --brand-1-dark:#5A2BE8;
  --gold:#FFB020;
  --bg:#F6F4FF;
  --card:#FFFFFF;
  --line:#E7E3FA;
  --dark:#120A2A;
  --text:#1B1436;
  --text-2:#5B5478;
  --text-3:#8E88A8;
  --danger:#E5484D;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --r-pill:999px;
  --sh-1:0 8px 24px rgba(18,10,42,.06);
  --sh-2:0 16px 40px rgba(18,10,42,.12);
  --sh-dark:0 12px 32px rgba(0,0,0,.35);
  --maxw:1240px;
  --nav-h:64px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Helvetica,Arial,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
button,input{font-family:inherit;font-size:inherit;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.25;letter-spacing:-.01em;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--gold);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px;}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  background:rgba(18,10,42,.94);
  box-shadow:0 8px 24px rgba(18,10,42,.22);
  backdrop-filter:saturate(140%) blur(10px);
  -webkit-backdrop-filter:saturate(140%) blur(10px);
  transition:background .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{background:rgba(18,10,42,.98);box-shadow:0 10px 30px rgba(0,0,0,.35);}
.nav-inner{
  display:grid;
  grid-template-columns:minmax(0,1.45fr) minmax(0,1fr);
  align-items:center;
  gap:24px;
  height:var(--nav-h);
}
.nav-left{display:flex;align-items:center;gap:32px;min-width:0;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:32px;height:32px;border-radius:11px;
  background:var(--brand-grad);
  display:grid;place-items:center;
  color:#fff;font-size:14px;font-weight:700;
  box-shadow:0 6px 18px rgba(109,59,255,.45);
}
.brand-text{
  color:#fff;font-size:17px;font-weight:700;letter-spacing:.02em;white-space:nowrap;
}
.brand-text em{font-style:normal;color:var(--brand-2);}
.nav-links{display:flex;align-items:center;gap:4px;min-width:0;}
.nav-links a{
  position:relative;
  display:block;
  padding:8px 12px;
  font-size:14px;
  color:rgba(255,255,255,.74);
  border-radius:var(--r-pill);
  white-space:nowrap;
  transition:background .2s ease,color .2s ease;
}
.nav-links a:hover{color:#fff;background:rgba(109,59,255,.28);}
.nav-links a.is-active{color:#fff;}
.nav-links a.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  border-radius:2px;background:var(--brand-grad);
}
.nav-right{display:flex;align-items:center;justify-content:flex-end;gap:12px;}
.nav-search{
  display:flex;align-items:center;gap:8px;
  height:38px;padding:0 14px;
  border:1px solid rgba(255,255,255,.18);
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.06);
  color:rgba(255,255,255,.7);
  cursor:pointer;transition:border-color .2s ease,background .2s ease,color .2s ease;
}
.nav-search:hover{border-color:rgba(0,216,192,.6);color:#fff;background:rgba(255,255,255,.1);}
.nav-search span{font-size:13px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:1px solid transparent;
  border-radius:var(--r-pill);
  padding:0 22px;height:44px;
  font-size:15px;font-weight:600;
  cursor:pointer;white-space:nowrap;
  transition:transform .18s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--brand-grad);color:#fff;box-shadow:0 10px 26px rgba(109,59,255,.35);}
.btn-primary:hover{background:var(--brand-grad-rev);box-shadow:0 14px 32px rgba(109,59,255,.45);color:#fff;}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.45);}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff;color:#fff;}
.btn-soft{background:#fff;color:var(--brand-1);border-color:var(--line);box-shadow:var(--sh-1);}
.btn-soft:hover{color:var(--brand-1-dark);border-color:#cfc6f7;box-shadow:var(--sh-2);}
.btn-sm{height:38px;padding:0 18px;font-size:14px;}
.btn:disabled{opacity:.55;cursor:not-allowed;box-shadow:none;}
.nav-cta{height:38px;padding:0 18px;font-size:14px;}
.nav-toggle{
  display:none;
  width:40px;height:40px;border-radius:12px;
  border:1px solid rgba(255,255,255,.22);
  background:rgba(255,255,255,.06);
  color:#fff;cursor:pointer;
}
.search-layer{
  position:absolute;top:100%;left:0;right:0;
  background:rgba(18,10,42,.98);
  border-top:1px solid rgba(255,255,255,.1);
  padding:16px 0;display:none;
}
.search-layer.is-open{display:block;}
.search-form{display:flex;gap:12px;max-width:720px;margin:0 auto;padding:0 24px;}
.search-form input{
  flex:1;height:48px;border-radius:var(--r-md);
  border:1px solid rgba(255,255,255,.2);
  background:rgba(255,255,255,.08);
  color:#fff;padding:0 16px;font-size:15px;
}
.search-form input::placeholder{color:rgba(255,255,255,.45);}
.search-form input:focus{border-color:var(--gold);outline:none;box-shadow:0 0 0 2px rgba(255,176,32,.35);}

/* 移动端抽屉 */
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);
  background:var(--dark);
  z-index:120;transform:translateX(102%);
  transition:transform .28s ease;
  display:flex;flex-direction:column;padding:20px;
  box-shadow:-16px 0 40px rgba(0,0,0,.4);
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-close{
  width:38px;height:38px;border-radius:12px;border:1px solid rgba(255,255,255,.2);
  background:transparent;color:#fff;cursor:pointer;
}
.drawer-links{display:flex;flex-direction:column;gap:2px;}
.drawer-links a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:52px;padding:0 14px;border-radius:var(--r-sm);
  color:rgba(255,255,255,.82);font-size:15px;
}
.drawer-links a:hover,.drawer-links a.is-active{background:rgba(109,59,255,.28);color:#fff;}
.drawer-links a i{font-size:12px;opacity:.6;}
.drawer-foot{margin-top:auto;padding-top:18px;border-top:1px solid rgba(255,255,255,.12);}
.mask{
  position:fixed;inset:0;background:rgba(10,5,25,.6);
  z-index:110;opacity:0;pointer-events:none;transition:opacity .28s ease;
}
.mask.is-open{opacity:1;pointer-events:auto;}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  background:var(--dark);
  color:#fff;
  padding:calc(var(--nav-h) + 64px) 0 72px;
  overflow:hidden;
}
.hero::before,.hero::after{content:"";position:absolute;border-radius:50%;pointer-events:none;}
.hero::before{
  width:620px;height:620px;top:-240px;left:-180px;
  background:radial-gradient(circle,rgba(109,59,255,.55) 0%,rgba(109,59,255,0) 68%);
}
.hero::after{
  width:560px;height:560px;bottom:-260px;right:-140px;
  background:radial-gradient(circle,rgba(0,216,192,.42) 0%,rgba(0,216,192,0) 68%);
}
.hero-grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:minmax(0,1.02fr) minmax(0,.98fr);
  gap:48px;align-items:center;
}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.08);
  border:1px solid rgba(0,216,192,.4);
  font-size:13px;color:var(--brand-2);letter-spacing:.02em;
  margin-bottom:20px;
}
.hero h1{
  font-size:40px;line-height:1.22;margin-bottom:18px;color:#fff;
}
.hero h1 strong{
  background:var(--brand-grad);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{
  font-size:16px;line-height:1.85;color:rgba(255,255,255,.72);
  max-width:560px;margin-bottom:28px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:32px;}
.badge-row{display:flex;flex-wrap:wrap;gap:12px;}
.badge{
  display:flex;flex-direction:column;gap:2px;
  padding:10px 18px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.05);
  border:1px solid transparent;
  background-image:linear-gradient(rgba(18,10,42,.85),rgba(18,10,42,.85)),var(--brand-grad);
  background-origin:border-box;background-clip:padding-box,border-box;
}
.badge b{font-size:22px;font-weight:700;color:var(--gold);letter-spacing:.02em;line-height:1.2;}
.badge span{font-size:12px;color:rgba(255,255,255,.65);}
.hero-visual{position:relative;}
.hero-visual img{
  width:100%;border-radius:var(--r-lg);
  box-shadow:var(--sh-dark);
  aspect-ratio:4/3;object-fit:cover;
}
.float-card{
  position:absolute;left:-22px;bottom:-28px;
  width:206px;padding:12px;
  background:#fff;border-radius:var(--r-md);
  box-shadow:var(--sh-2);
  display:flex;gap:12px;align-items:center;
}
.float-card img{width:56px;height:56px;border-radius:12px;object-fit:cover;flex:0 0 auto;}
.float-card strong{display:block;font-size:14px;color:var(--text);line-height:1.4;}
.float-card span{font-size:12px;color:var(--text-3);}

/* ---------- 通用板块 ---------- */
.section{padding:64px 0;}
.section-alt{background:#fff;}
.section-dark{background:var(--dark);color:#fff;}
.section-head{max-width:760px;margin-bottom:28px;}
.section-head .kicker{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:.08em;
  color:var(--brand-1);text-transform:uppercase;margin-bottom:10px;
}
.section-dark .section-head .kicker{color:var(--brand-2);}
.section-head h2{font-size:30px;margin-bottom:12px;}
.section-dark .section-head h2{color:#fff;}
.section-head p{color:var(--text-2);font-size:15.5px;}
.section-dark .section-head p{color:rgba(255,255,255,.72);}
.section-head-row{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  max-width:none;margin-bottom:28px;
}
.section-head-row .section-head{margin-bottom:0;}

/* ---------- 目录条 ---------- */
.dir-list{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));
  gap:0 48px;
}
.dir-item{
  display:flex;align-items:center;gap:16px;
  padding:18px 4px;
  border-bottom:1px solid var(--line);
  transition:background .2s ease;
}
.dir-item:hover{background:rgba(109,59,255,.05);}
.dir-num{
  width:36px;height:36px;flex:0 0 auto;border-radius:50%;
  background:var(--brand-grad);color:#fff;
  display:grid;place-items:center;font-size:13px;font-weight:700;
}
.dir-body{flex:1;min-width:0;}
.dir-body strong{display:block;font-size:16px;font-weight:600;color:var(--text);}
.dir-body span{font-size:13px;color:var(--text-3);}
.dir-item i{color:var(--text-3);font-size:13px;transition:transform .22s ease,color .22s ease;}
.dir-item:hover i{transform:translateX(4px);color:var(--brand-1);}

/* ---------- 杂志栅格 ---------- */
.mag-grid{display:grid;grid-template-columns:7fr 5fr;gap:24px;align-items:stretch;}
.mag-side{display:grid;grid-template-rows:1fr 1fr;gap:24px;}
.card{
  position:relative;
  background:var(--card);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:transform .22s ease,box-shadow .22s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.card-media{position:relative;overflow:hidden;}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .22s ease;}
.card:hover .card-media img{transform:scale(1.03);}
.card-tag{
  position:absolute;left:14px;top:14px;
  padding:4px 12px;border-radius:var(--r-pill);
  background:rgba(18,10,42,.72);color:#fff;font-size:12px;
  backdrop-filter:blur(6px);
}
.card-badge{
  position:absolute;right:14px;top:14px;
  padding:4px 12px;border-radius:var(--r-pill);
  background:var(--brand-grad);color:#fff;font-size:12px;font-weight:600;
}
.card-body{padding:22px;}
.card-body h3{font-size:20px;margin-bottom:10px;}
.card-body p{font-size:15px;color:var(--text-2);}
.card-meta{
  display:flex;align-items:center;gap:10px;margin-top:16px;
  font-size:13px;color:var(--text-3);
}
.chip{
  display:inline-flex;align-items:center;
  padding:3px 10px;border-radius:var(--r-pill);
  background:rgba(109,59,255,.1);color:var(--brand-1);
  font-size:12px;font-weight:600;
}
.chip-cyan{background:rgba(0,216,192,.14);color:#059b8b;}
.card-main{display:grid;grid-template-columns:1fr 1fr;}
.card-main .card-media{height:100%;min-height:260px;}
.card-main .card-body{padding:26px;display:flex;flex-direction:column;justify-content:center;}
.card-main .card-body h3{font-size:22px;}
.card-side{display:grid;grid-template-columns:150px 1fr;height:100%;}
.card-side .card-media{height:100%;min-height:148px;}
.card-side .card-body{padding:18px;display:flex;flex-direction:column;justify-content:center;}
.card-side .card-body h3{font-size:17px;margin-bottom:8px;}
.card-side .card-body p{font-size:14px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}

/* ---------- 最新信息 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;}
.news-card{display:flex;flex-direction:column;}
.news-card .card-media{aspect-ratio:16/9;}
.news-card .card-body{padding:18px;display:flex;flex-direction:column;flex:1;}
.news-card .card-body h3{
  font-size:16px;margin-bottom:8px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card .card-body p{
  font-size:14px;color:var(--text-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  margin-bottom:14px;
}
.news-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  gap:8px;font-size:13px;color:var(--text-3);
}
.news-foot i{color:var(--brand-1);transition:transform .2s ease;}
.news-card:hover .news-foot i{transform:translateX(4px);}
.empty-state{
  grid-column:1/-1;
  padding:48px 24px;text-align:center;
  background:#fff;border:1px dashed var(--line);border-radius:var(--r-lg);
  color:var(--text-2);
}
.empty-state i{font-size:28px;color:var(--brand-2);display:block;margin-bottom:12px;}
.empty-state button{margin-top:16px;}

/* ---------- 数据与评价 ---------- */
.stat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;}
.stat-card{
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.12);
  border-radius:var(--r-lg);
  padding:26px 22px;
  box-shadow:var(--sh-dark);
}
.stat-card b{display:block;font-size:30px;color:var(--brand-2);letter-spacing:.02em;line-height:1.2;}
.stat-card strong{display:block;font-size:16px;color:#fff;margin:6px 0 8px;}
.stat-card p{font-size:14px;color:rgba(255,255,255,.68);}
.quote-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.quote-card{
  background:#fff;border-radius:var(--r-lg);padding:24px;
  box-shadow:var(--sh-1);border:1px solid var(--line);
  display:flex;flex-direction:column;gap:14px;
}
.quote-card .stars{color:var(--gold);font-size:13px;letter-spacing:2px;}
.quote-card p{font-size:15px;color:var(--text-2);}
.quote-user{display:flex;align-items:center;gap:10px;margin-top:auto;}
.quote-user .avatar{
  width:36px;height:36px;border-radius:50%;
  background:var(--brand-grad);color:#fff;
  display:grid;place-items:center;font-size:14px;font-weight:700;flex:0 0 auto;
}
.quote-user strong{display:block;font-size:14px;}
.quote-user span{font-size:12px;color:var(--text-3);}

/* ---------- 分层清单 ---------- */
.list-panel{
  background:#fff;border-radius:var(--r-lg);box-shadow:var(--sh-1);
  padding:10px 24px;border:1px solid var(--line);
}
.list-row{
  display:flex;align-items:flex-start;gap:16px;
  padding:18px 0;border-bottom:1px solid var(--line);
}
.list-row:last-child{border-bottom:none;}
.list-idx{
  width:30px;height:30px;flex:0 0 auto;border-radius:10px;
  background:rgba(109,59,255,.1);color:var(--brand-1);
  display:grid;place-items:center;font-size:13px;font-weight:700;
  margin-top:4px;
}
.list-row h3{font-size:16px;margin-bottom:6px;}
.list-row p{font-size:14.5px;color:var(--text-2);}
.list-row .chip{margin-top:10px;}

/* ---------- 两栏内容 ---------- */
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:48px;align-items:center;}
.split img{border-radius:var(--r-lg);box-shadow:var(--sh-1);aspect-ratio:3/2;object-fit:cover;width:100%;}
.check-list{display:grid;gap:14px;margin-top:20px;}
.check-list li{display:flex;gap:12px;font-size:15px;color:var(--text-2);}
.check-list i{color:var(--brand-2);margin-top:6px;font-size:14px;flex:0 0 auto;}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;max-width:900px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:0 22px;box-shadow:var(--sh-1);
  transition:border-color .2s ease;
}
.faq-item[open]{border-color:#c9bdf8;}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 0;font-size:18px;font-weight:700;color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;
  font-size:13px;color:var(--brand-1);
  transition:transform .24s ease;
}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-body{
  background:rgba(109,59,255,.06);
  border-radius:var(--r-md);
  padding:16px 18px;margin-bottom:18px;
  font-size:15px;color:var(--text-2);
}

/* ---------- 表单 ---------- */
.join-box{
  background:#fff;border-radius:var(--r-lg);box-shadow:var(--sh-1);
  border:1px solid var(--line);padding:32px;
}
.subscribe{display:flex;gap:12px;flex-wrap:wrap;}
.subscribe input{
  flex:1 1 260px;height:48px;border-radius:var(--r-md);
  border:1px solid var(--line);background:#fbfaff;
  padding:0 16px;font-size:15px;color:var(--text);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.subscribe input:focus{
  outline:none;border-color:var(--gold);
  box-shadow:0 0 0 2px rgba(255,176,32,.35);
}
.subscribe input.is-error{border-color:var(--danger);box-shadow:0 0 0 2px rgba(229,72,77,.25);}
.form-hint{font-size:13px;color:var(--text-3);margin-top:12px;}
.form-hint.is-error{color:var(--danger);}
.join-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-top:28px;}
.join-grid div{background:#faf9ff;border-radius:var(--r-md);padding:18px;}
.join-grid strong{display:block;font-size:15px;margin-bottom:6px;}
.join-grid span{font-size:13.5px;color:var(--text-2);}

/* ---------- 收藏分享条 ---------- */
.action-bar{
  margin-top:56px;
  border-radius:var(--r-lg);
  padding:24px 28px;
  background:var(--brand-grad);
  color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  flex-wrap:wrap;
  box-shadow:0 18px 44px rgba(109,59,255,.28);
}
.action-bar strong{font-size:18px;display:block;}
.action-bar span{font-size:14px;color:rgba(255,255,255,.82);}
.action-btns{display:flex;align-items:center;gap:12px;flex-wrap:wrap;}
.btn-fav{background:#fff;color:var(--brand-1);}
.btn-fav:hover{background:#f4f1ff;color:var(--brand-1-dark);}
.icon-btn{
  width:44px;height:44px;border-radius:50%;
  border:1px solid rgba(255,255,255,.5);
  background:rgba(255,255,255,.12);color:#fff;
  display:grid;place-items:center;cursor:pointer;
  transition:background .2s ease,transform .18s ease;
}
.icon-btn:hover{background:rgba(255,255,255,.28);}
.icon-btn:active{transform:translateY(1px);}
.to-top{
  position:fixed;right:24px;bottom:28px;z-index:90;
  width:46px;height:46px;border-radius:50%;
  border:none;background:var(--dark);color:#fff;
  box-shadow:var(--sh-2);cursor:pointer;
  display:grid;place-items:center;
  opacity:0;pointer-events:none;transition:opacity .24s ease,transform .24s ease;
}
.to-top.is-show{opacity:1;pointer-events:auto;}
.to-top:hover{transform:translateY(-3px);}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--dark);color:rgba(255,255,255,.72);
  border-top:3px solid transparent;
  border-image:var(--brand-grad) 1;
  padding:56px 0 0;
  margin-top:0;
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;
  padding-bottom:40px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .brand-text{font-size:16px;}
.footer-col h3{
  font-size:15px;color:#fff;margin-bottom:16px;font-weight:700;
}
.footer-col p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.62);}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.68);}
.footer-col a:hover{color:var(--brand-2);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:18px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom a{color:rgba(255,255,255,.62);}
.footer-bottom a:hover{color:var(--brand-2);}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .nav-links a{padding:8px 9px;font-size:13.5px;}
  .hero h1{font-size:36px;}
}
@media (max-width:1024px){
  :root{--nav-h:60px;}
  .nav-links{display:none;}
  .nav-toggle{display:grid;place-items:center;}
  .nav-inner{grid-template-columns:1fr auto;}
  .hero{padding:calc(var(--nav-h) + 48px) 0 60px;}
  .hero h1{font-size:32px;}
  .hero-grid{gap:36px;}
  .section{padding:56px 0;}
  .section-head h2{font-size:26px;}
  .news-grid{grid-template-columns:repeat(3,minmax(0,1fr));}
  .stat-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .quote-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px;}
}
@media (max-width:900px){
  .hero-grid{grid-template-columns:1fr;}
  .hero-visual{order:2;margin-top:12px;}
  .hero-sub{max-width:100%;}
  .float-card{left:auto;right:14px;bottom:-18px;width:184px;}
  .mag-grid{grid-template-columns:1fr;}
  .mag-side{grid-template-rows:auto auto;}
  .split{grid-template-columns:1fr;gap:28px;}
  .dir-list{grid-template-columns:1fr;gap:0;}
  .section-head-row{flex-direction:column;align-items:flex-start;}
}
@media (max-width:768px){
  .container{padding:0 18px;}
  .hero h1{font-size:28px;}
  .hero-sub{font-size:15px;}
  .badge-row{gap:10px;}
  .badge{padding:8px 14px;}
  .badge b{font-size:19px;}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;}
  .card-main{grid-template-columns:1fr;}
  .card-main .card-media{min-height:200px;}
  .card-side{grid-template-columns:1fr;}
  .card-side .card-media{min-height:160px;}
  .quote-grid{grid-template-columns:1fr;}
  .join-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px;}
  .action-bar{padding:22px;}
  .action-bar strong{font-size:16px;}
  .faq-item summary{font-size:16px;}
}
@media (max-width:520px){
  .hero h1{font-size:24px;}
  .hero-actions .btn{width:100%;}
  .news-grid{grid-template-columns:1fr;}
  .stat-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .subscribe input{flex:1 1 100%;}
  .subscribe .btn{width:100%;}
  .float-card{position:static;width:100%;margin-top:14px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .to-top{right:16px;bottom:18px;}
}

/* roulang page: article */
:root{
  --brand-1:#6D3BFF;
  --brand-2:#00D8C0;
  --brand-grad:linear-gradient(135deg,#6D3BFF 0%,#00D8C0 100%);
  --brand-grad-rev:linear-gradient(180deg,#00D8C0 0%,#6D3BFF 100%);
  --brand-deep:#5A2BE8;
  --gold:#FFB020;
  --bg:#F6F4FF;
  --card:#FFFFFF;
  --line:#E7E3FA;
  --dark:#120A2A;
  --dark-2:#1A0E3D;
  --text:#1B1436;
  --text-2:#5B5478;
  --text-3:#8E88A8;
  --danger:#E5484D;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --sh-1:0 8px 24px rgba(18,10,42,.06);
  --sh-2:0 16px 40px rgba(18,10,42,.12);
  --sh-dark:0 12px 32px rgba(0,0,0,.35);
  --sp:24px;
  --nav-h:64px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;color:var(--text);}
p{margin:0 0 1em;}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand-1);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease;}
a:hover{color:var(--brand-deep);}
button,input{font-family:inherit;font-size:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--gold);outline-offset:2px;border-radius:4px;}
.visually-hidden{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;}
.grid-container{max-width:1240px;padding-left:24px;padding-right:24px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border:0;border-radius:999px;
  font-size:15px;font-weight:600;letter-spacing:.01em;cursor:pointer;
  transition:transform .18s ease,box-shadow .22s ease,background .22s ease,color .22s ease;
  white-space:nowrap;
}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--brand-grad);color:#fff;box-shadow:0 10px 24px rgba(109,59,255,.28);}
.btn-primary:hover{background:var(--brand-grad-rev);color:#fff;box-shadow:0 14px 32px rgba(109,59,255,.34);}
.btn-ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.45);}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.8);}
.btn-outline{background:#fff;color:var(--brand-1);border:1px solid var(--line);border-radius:var(--r-sm);}
.btn-outline:hover{border-color:var(--brand-1);color:var(--brand-deep);background:#F7F5FF;}
.btn-sm{height:38px;padding:0 16px;font-size:14px;}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;box-shadow:none;}

/* ---------- 标签 / 徽章 ---------- */
.tag{
  display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:999px;
  background:#F1EEFF;color:var(--brand-1);font-size:13px;font-weight:600;
}
.badge{
  display:inline-flex;align-items:center;gap:8px;padding:8px 16px;border-radius:999px;
  background:#fff;border:1px solid rgba(255,176,32,.55);box-shadow:var(--sh-1);
}
.badge b{font-size:21px;font-weight:700;color:var(--gold);letter-spacing:.02em;line-height:1;}
.badge span{font-size:12px;color:var(--text-2);line-height:1;}

/* ---------- 顶栏 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(18,10,42,.94);
  box-shadow:inset 0 -1px 0 rgba(255,255,255,.08),0 8px 24px rgba(18,10,42,.22);
  backdrop-filter:saturate(140%) blur(10px);
  transition:background .25s ease;
}
.site-header.is-scrolled{background:rgba(18,10,42,.99);}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:var(--nav-h);}
.nav-left{display:flex;align-items:center;gap:28px;min-width:0;flex:1 1 58%;}
.nav-right{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:18px;letter-spacing:.01em;}
.brand:hover{color:#fff;}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:11px;background:var(--brand-grad);
  color:#fff;font-size:17px;font-weight:700;box-shadow:0 6px 16px rgba(109,59,255,.4);
}
.brand-text em{font-style:normal;background:linear-gradient(135deg,#B79CFF,#5FF2DF);-webkit-background-clip:text;background-clip:text;color:transparent;}
.nav-links{display:flex;align-items:center;gap:2px;}
.nav-links a{
  display:inline-flex;align-items:center;height:38px;padding:0 13px;border-radius:999px;
  color:rgba(255,255,255,.74);font-size:15px;position:relative;
}
.nav-links a:hover{color:#fff;background:rgba(109,59,255,.22);}
.nav-links a.is-active{color:#fff;}
.nav-links a.is-active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:4px;height:2px;border-radius:2px;background:var(--brand-grad);
}
.nav-search{
  display:inline-flex;align-items:center;gap:8px;height:38px;padding:0 15px;
  background:transparent;border:1px solid rgba(255,255,255,.24);border-radius:999px;
  color:rgba(255,255,255,.82);font-size:14px;cursor:pointer;transition:all .2s ease;
}
.nav-search:hover{border-color:rgba(255,255,255,.6);color:#fff;background:rgba(255,255,255,.08);}
.nav-cta{height:40px;padding:0 20px;font-size:14px;}
.nav-toggle{
  display:none;align-items:center;justify-content:center;width:40px;height:40px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.2);border-radius:12px;
  color:#fff;font-size:16px;cursor:pointer;
}
.search-layer{
  max-height:0;overflow:hidden;background:rgba(12,6,30,.98);
  transition:max-height .26s ease;
}
.search-layer.is-open{max-height:150px;}
.search-form{display:flex;gap:12px;padding:16px 0 20px;}
.search-form input{
  flex:1;height:48px;padding:0 18px;border-radius:var(--r-md);
  border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.06);color:#fff;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.search-form input::placeholder{color:rgba(255,255,255,.45);}
.search-form input:focus{outline:none;border-color:var(--gold);box-shadow:0 0 0 3px rgba(255,176,32,.22);}

/* ---------- 面包屑 / 文章头 ---------- */
.article-hero{
  position:relative;overflow:hidden;
  padding:48px 0 96px;color:#fff;
  background:
    linear-gradient(150deg,rgba(18,10,42,.95) 0%,rgba(18,10,42,.86) 60%,rgba(27,17,71,.9) 100%),
    url('/assets/images/backpic/back-2.png') center/cover no-repeat;
}
.article-hero::before,
.article-hero::after{
  content:"";position:absolute;border-radius:50%;pointer-events:none;
}
.article-hero::before{
  width:420px;height:420px;left:-120px;top:-160px;
  background:radial-gradient(circle,rgba(109,59,255,.55),rgba(109,59,255,0) 70%);
}
.article-hero::after{
  width:460px;height:460px;right:-140px;bottom:-220px;
  background:radial-gradient(circle,rgba(0,216,192,.42),rgba(0,216,192,0) 70%);
}
.article-hero .container{position:relative;z-index:2;max-width:900px;}
.breadcrumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.62);margin-bottom:22px;
}
.breadcrumb a{color:rgba(255,255,255,.75);}
.breadcrumb a:hover{color:#fff;}
.breadcrumb .sep{color:rgba(255,255,255,.32);}
.breadcrumb .current{
  max-width:280px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:rgba(255,255,255,.62);
}
.article-hero h1{
  color:#fff;font-size:40px;letter-spacing:.01em;
  text-shadow:0 6px 26px rgba(0,0,0,.35);
}
.post-meta{
  display:flex;align-items:center;gap:12px;flex-wrap:wrap;
  margin-top:20px;font-size:14px;color:rgba(255,255,255,.72);
}
.post-meta .meta-cat{
  display:inline-flex;align-items:center;height:28px;padding:0 13px;border-radius:999px;
  background:var(--brand-grad);color:#fff;font-size:13px;font-weight:600;
}
.post-meta .dot{width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.4);}

/* ---------- 正文 ---------- */
.article-main{padding:0 0 8px;}
.article-wrap{max-width:760px;margin:-56px auto 0;position:relative;z-index:3;}
.article-content{
  background:var(--card);border-radius:var(--r-lg);padding:46px 48px 40px;
  box-shadow:var(--sh-2);color:var(--text);font-size:16px;line-height:1.9;
}
.article-content > *:first-child{margin-top:0;}
.article-content p{margin:0 0 1.1em;color:#2B2350;}
.article-content > p:first-of-type{font-size:17px;color:var(--text);}
.article-content h2{
  position:relative;font-size:24px;margin:40px 0 16px;padding-left:18px;
}
.article-content h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:4px;background:var(--brand-grad);
}
.article-content h3{font-size:19px;margin:28px 0 12px;color:var(--text);}
.article-content h4{font-size:17px;margin:22px 0 10px;color:var(--text-2);}
.article-content ul,.article-content ol{margin:0 0 1.2em;padding-left:0;}
.article-content ul li,.article-content ol li{
  position:relative;padding-left:24px;margin-bottom:8px;line-height:1.9;color:#2B2350;
}
.article-content ul li::before{
  content:"";position:absolute;left:4px;top:12px;width:8px;height:8px;border-radius:3px;background:var(--brand-grad);
}
.article-content ol{counter-reset:li;}
.article-content ol li{counter-increment:li;}
.article-content ol li::before{
  content:counter(li);position:absolute;left:0;top:2px;
  width:18px;height:18px;border-radius:6px;background:#F1EEFF;color:var(--brand-1);
  font-size:12px;font-weight:700;line-height:18px;text-align:center;
}
.article-content blockquote{
  margin:24px 0;padding:18px 22px;border-left:4px solid var(--brand-1);
  background:linear-gradient(90deg,#F3EFFF,#FBFAFF);
  border-radius:0 var(--r-sm) var(--r-sm) 0;color:var(--text-2);
}
.article-content blockquote p:last-child{margin-bottom:0;}
.article-content img{border-radius:var(--r-md);margin:22px auto;box-shadow:var(--sh-1);}
.article-content a{color:var(--brand-1);border-bottom:1px solid rgba(109,59,255,.32);}
.article-content a:hover{color:var(--brand-deep);border-bottom-color:var(--brand-deep);}
.article-content table{
  width:100%;display:block;overflow-x:auto;border-collapse:collapse;margin:22px 0;font-size:15px;
}
.article-content th,.article-content td{border:1px solid var(--line);padding:10px 14px;text-align:left;}
.article-content th{background:#F7F5FF;color:var(--text);font-weight:600;white-space:nowrap;}
.article-content code{
  background:#F1EEFF;color:#4A22C9;padding:2px 7px;border-radius:6px;font-size:14px;
}
.article-content pre{
  background:#170E33;color:#E9E5FF;padding:18px;border-radius:var(--r-md);overflow-x:auto;margin:20px 0;
}
.article-content pre code{background:transparent;color:inherit;padding:0;}
.article-content hr{border:0;height:1px;background:var(--line);margin:32px 0;}
.empty-state{
  text-align:center;padding:56px 20px;
}
.empty-state .empty-icon{
  width:64px;height:64px;margin:0 auto 18px;border-radius:20px;background:#F1EEFF;
  display:flex;align-items:center;justify-content:center;color:var(--brand-1);font-size:24px;
}
.empty-state h2{font-size:22px;margin-bottom:10px;padding-left:0;}
.empty-state h2::before{display:none;}
.empty-state p{color:var(--text-2);max-width:420px;margin:0 auto 22px;}

/* ---------- 文章尾部 ---------- */
.post-tail{padding:36px 0 0;}
.post-tail-inner{max-width:760px;margin:0 auto;}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;}
.tag-row .label{font-size:14px;color:var(--text-3);margin-right:4px;}
.share-bar{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:24px;padding:18px 22px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-md);box-shadow:var(--sh-1);
}
.share-bar .share-text{font-size:14px;color:var(--text-2);}
.share-actions{display:flex;align-items:center;gap:10px;}
.icon-btn{
  display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;
  border-radius:50%;border:1px solid var(--line);background:#fff;color:var(--text-2);
  cursor:pointer;transition:all .2s ease;
}
.icon-btn:hover{border-color:var(--brand-1);color:var(--brand-1);background:#F7F5FF;}
.icon-btn.is-on{background:var(--brand-grad);border-color:transparent;color:#fff;}

/* ---------- 通用板块 ---------- */
.section{padding:64px 0;}
.section-head{max-width:720px;margin-bottom:28px;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;height:28px;padding:0 14px;border-radius:999px;
  background:#F1EEFF;color:var(--brand-1);font-size:13px;font-weight:600;margin-bottom:14px;
}
.section-head h2{font-size:30px;margin-bottom:12px;}
.section-head p{color:var(--text-2);margin:0;}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.card{
  background:var(--card);border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--sh-1);border:1px solid rgba(231,227,250,.9);
  transition:transform .22s ease,box-shadow .22s ease;
  display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.card:hover .card-cover img{transform:scale(1.03);}
.card-cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:#EDE9FF;}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .22s ease;}
.card-cover .cover-tag{
  position:absolute;left:12px;top:12px;height:26px;padding:0 11px;border-radius:999px;
  background:rgba(18,10,42,.72);color:#fff;font-size:12px;display:inline-flex;align-items:center;
}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-body h3{font-size:18px;line-height:1.45;}
.card-body h3 a{color:var(--text);}
.card-body h3 a:hover{color:var(--brand-1);}
.card-body p{font-size:14px;color:var(--text-2);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-3);}
.card-foot .cat{color:var(--brand-1);font-weight:600;}

/* ---------- 流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.step{
  background:#fff;border-radius:var(--r-lg);padding:26px 24px;box-shadow:var(--sh-1);
  border:1px solid rgba(231,227,250,.9);
}
.step .num{
  display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:14px;
  background:var(--brand-grad);color:#fff;font-weight:700;font-size:15px;margin-bottom:16px;
}
.step h3{font-size:18px;margin-bottom:8px;}
.step p{font-size:14px;color:var(--text-2);margin:0;}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;max-width:880px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh-1);overflow:hidden;transition:box-shadow .22s ease,border-color .22s ease;
}
.faq-item[open]{border-color:rgba(109,59,255,.35);box-shadow:var(--sh-2);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 24px;font-size:17px;font-weight:700;
  display:flex;align-items:center;justify-content:space-between;gap:16px;color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";font-size:22px;font-weight:400;color:var(--brand-1);line-height:1;transition:transform .22s ease;
}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-body{padding:0 24px 22px;color:var(--text-2);font-size:15px;background:linear-gradient(180deg,#FBFAFF,#fff);}
.faq-body p:last-child{margin-bottom:0;}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:26px;padding:46px 48px;
  background:linear-gradient(135deg,#1A0E3D 0%,#251060 55%,#0E3A46 100%);color:#fff;
  box-shadow:var(--sh-dark);
}
.cta-band::after{
  content:"";position:absolute;width:420px;height:420px;right:-120px;top:-160px;border-radius:50%;
  background:radial-gradient(circle,rgba(0,216,192,.35),rgba(0,216,192,0) 70%);
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:32px;align-items:center;}
.cta-band h2{color:#fff;font-size:28px;margin-bottom:12px;}
.cta-band p{color:rgba(255,255,255,.74);margin:0;font-size:15px;}
.cta-form{display:flex;gap:12px;flex-wrap:wrap;}
.cta-form input{
  flex:1;min-width:200px;height:48px;padding:0 18px;border-radius:var(--r-md);
  border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.08);color:#fff;
}
.cta-form input::placeholder{color:rgba(255,255,255,.5);}
.cta-form input:focus{outline:none;border-color:var(--gold);box-shadow:0 0 0 3px rgba(255,176,32,.22);}
.cta-form input.is-error{border-color:var(--danger);box-shadow:0 0 0 3px rgba(229,72,77,.22);}
.form-hint{width:100%;font-size:13px;color:rgba(255,255,255,.6);}
.form-hint.error{color:#FFB4B6;}

/* ---------- 返回 ---------- */
.back-row{display:flex;gap:14px;flex-wrap:wrap;align-items:center;margin-top:26px;}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;margin-top:72px;padding:56px 0 26px;
  background:var(--dark);color:rgba(255,255,255,.72);
}
.site-footer::before{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--brand-grad);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:17px;margin-bottom:14px;}
.footer-col h3{color:#fff;font-size:16px;margin-bottom:16px;}
.footer-col p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.6);}
.footer-col ul li{margin-bottom:9px;}
.footer-col ul a{color:rgba(255,255,255,.72);font-size:14px;}
.footer-col ul a:hover{color:#fff;}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:rgba(255,255,255,.45);
}
.footer-bottom a{color:rgba(255,255,255,.6);}
.footer-bottom a:hover{color:#fff;}

/* ---------- 顶部返回 ---------- */
.to-top{
  position:fixed;right:22px;bottom:24px;z-index:70;
  width:46px;height:46px;border-radius:50%;border:0;cursor:pointer;
  background:var(--brand-grad);color:#fff;box-shadow:0 12px 28px rgba(109,59,255,.36);
  opacity:0;pointer-events:none;transform:translateY(10px);transition:all .24s ease;
}
.to-top.is-show{opacity:1;pointer-events:auto;transform:none;}
.to-top:hover{background:var(--brand-grad-rev);}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .nav-links{
    position:fixed;left:0;right:0;top:64px;flex-direction:column;align-items:stretch;
    background:#150C33;padding:10px 20px 18px;gap:0;
    box-shadow:0 20px 40px rgba(0,0,0,.4);
    opacity:0;pointer-events:none;transform:translateY(-10px);
    transition:opacity .22s ease,transform .22s ease;
  }
  .nav-links.is-open{opacity:1;pointer-events:auto;transform:none;}
  .nav-links a{height:auto;padding:14px 6px;border-radius:0;border-bottom:1px solid rgba(255,255,255,.08);justify-content:space-between;}
  .nav-links a::after{display:none;}
  .nav-links a.is-active{color:#fff;}
  .nav-toggle{display:inline-flex;}
  .nav-search span{display:none;}
  .nav-search{padding:0 13px;}
  .nav-cta{display:none;}
  .related-grid{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:repeat(2,1fr);}
  .cta-inner{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:768px){
  .container{padding:0 20px;}
  .article-hero{padding:34px 0 80px;}
  .article-hero h1{font-size:28px;}
  .article-content{padding:30px 22px 26px;font-size:15px;}
  .article-content h2{font-size:22px;}
  .article-content h3{font-size:18px;}
  .article-wrap{margin-top:-48px;}
  .section{padding:44px 0;}
  .section-head h2{font-size:22px;}
  .related-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .cta-band{padding:30px 22px;border-radius:20px;}
  .cta-band h2{font-size:22px;}
  .cta-form .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .search-form{flex-direction:column;}
  .search-form .btn{width:100%;}
}
@media (max-width:520px){
  .nav-inner{height:56px;}
  .brand-text{font-size:16px;}
  .nav-links{top:56px;}
  .article-hero h1{font-size:24px;}
  .post-meta{font-size:13px;gap:9px;}
  .breadcrumb .current{max-width:160px;}
  .share-bar{flex-direction:column;align-items:flex-start;}
  .share-actions{width:100%;}
}

/* roulang page: category1 */
/* ============ 设计变量 ============ */
:root{
  --brand-1:#6D3BFF;
  --brand-2:#00D8C0;
  --brand-hover:#5A2BE8;
  --accent:#FFB020;
  --bg:#F6F4FF;
  --card:#FFFFFF;
  --line:#E7E3FA;
  --dark:#120A2A;
  --text:#1B1436;
  --text-2:#5B5478;
  --text-3:#8E88A8;
  --grad:linear-gradient(135deg,#6D3BFF 0%,#00D8C0 100%);
  --grad-rev:linear-gradient(180deg,#00D8C0 0%,#6D3BFF 100%);
  --radius-lg:20px;
  --radius-md:16px;
  --radius-sm:12px;
  --radius-pill:999px;
  --shadow-1:0 8px 24px rgba(18,10,42,.06);
  --shadow-2:0 16px 40px rgba(18,10,42,.12);
  --shadow-dark:0 12px 32px rgba(0,0,0,.35);
  --nav-h:64px;
  --ease:220ms ease-out;
}

/* ============ 基础重置 ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.8;
  font-weight:400;
  letter-spacing:.01em;
}
h1,h2,h3,h4,h5,h6,p,figure,ul,ol,dl,dd{margin:0;padding:0;}
ul,ol{list-style:none;}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand-1);text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--brand-hover);}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;background:none;border:0;padding:0;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
::selection{background:rgba(109,59,255,.18);}

.container{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding:0 24px;
}
.visually-hidden{
  position:absolute!important;width:1px;height:1px;overflow:hidden;
  clip:rect(0 0 0 0);white-space:nowrap;
}
.grid-x.grid-padding-x{margin-left:-12px;margin-right:-12px;}
.grid-padding-x>.cell{padding-left:12px;padding-right:12px;}

/* ============ 通用排版 ============ */
h1,h2,h3{font-weight:700;line-height:1.25;letter-spacing:.005em;}
h1{font-size:40px;color:var(--text);}
h2{font-size:30px;color:var(--text);}
h3{font-size:20px;color:var(--text);}
.section{padding:64px 0;}
.section--tight{padding:48px 0;}
.section-head{max-width:760px;margin-bottom:28px;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.08em;
  color:var(--brand-1);text-transform:uppercase;margin-bottom:10px;
}
.section-head .eyebrow::before{
  content:"";width:22px;height:3px;border-radius:2px;background:var(--grad);
}
.section-head h2{margin-bottom:12px;}
.section-head p{color:var(--text-2);font-size:16px;}
.text-muted{color:var(--text-2);}
.text-weak{color:var(--text-3);font-size:13px;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:700;line-height:1;white-space:nowrap;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease);
  border:1px solid transparent;
}
.btn:active{transform:translateY(1px);}
.btn-primary{
  background:var(--grad);color:#fff;box-shadow:0 8px 20px rgba(109,59,255,.28);
}
.btn-primary:hover{background:var(--grad-rev);color:#fff;box-shadow:0 12px 26px rgba(109,59,255,.36);}
.btn-ghost{
  background:transparent;color:#fff;border-color:rgba(255,255,255,.5);
}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff;}
.btn-outline{
  background:#fff;color:var(--brand-1);border-color:var(--line);border-radius:var(--radius-sm);
}
.btn-outline:hover{color:var(--brand-hover);border-color:var(--brand-1);box-shadow:var(--shadow-1);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}

/* ============ 标签 / 徽章 ============ */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 12px;border-radius:var(--radius-pill);
  background:rgba(109,59,255,.08);color:var(--brand-1);
  font-size:12px;font-weight:700;letter-spacing:.02em;
}
.tag--line{background:#fff;border:1px solid var(--line);color:var(--text-2);}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:var(--radius-pill);
  background:#fff;border:1px solid rgba(255,176,32,.55);
  font-size:12px;color:var(--text-2);font-weight:700;
}
.badge strong{color:var(--accent);font-size:14px;letter-spacing:.02em;}
.badge--dark{
  background:rgba(255,255,255,.06);
  border-color:rgba(0,216,192,.45);
  color:rgba(255,255,255,.78);
}
.badge--dark strong{color:#00D8C0;}

/* ============ 顶部导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(18,10,42,.72);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  box-shadow:inset 0 -1px 0 rgba(255,255,255,.08),0 8px 24px rgba(18,10,42,.18);
  transition:background var(--ease),box-shadow var(--ease);
}
.site-header.is-scrolled{
  background:rgba(18,10,42,.96);
  box-shadow:inset 0 -1px 0 rgba(255,255,255,.1),0 10px 28px rgba(18,10,42,.35);
}
.nav-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:20px;height:64px;
}
.nav-left{display:flex;align-items:center;gap:28px;min-width:0;}
.brand{display:inline-flex;align-items:center;gap:10px;color:#fff;flex:0 0 auto;}
.brand:hover{color:#fff;}
.brand-mark{
  width:34px;height:34px;border-radius:11px;background:var(--grad);
  display:inline-flex;align-items:center;justify-content:center;
  color:#fff;font-weight:700;font-size:17px;
  box-shadow:0 6px 16px rgba(109,59,255,.4);
}
.brand-text{font-size:18px;font-weight:700;letter-spacing:.02em;white-space:nowrap;}
.brand-text em{font-style:normal;color:#00D8C0;}
.nav-links{display:flex;align-items:center;gap:4px;}
.nav-links a{
  display:inline-flex;align-items:center;height:38px;padding:0 14px;
  border-radius:var(--radius-pill);color:rgba(255,255,255,.76);
  font-size:15px;font-weight:500;transition:background var(--ease),color var(--ease);
}
.nav-links a:hover{background:rgba(109,59,255,.28);color:#fff;}
.nav-links a.is-active{color:#fff;font-weight:700;position:relative;}
.nav-links a.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:3px;
  border-radius:3px;background:var(--grad);
}
.nav-right{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.nav-search{
  display:inline-flex;align-items:center;gap:8px;height:38px;padding:0 16px;
  border-radius:var(--radius-pill);color:rgba(255,255,255,.78);
  border:1px solid rgba(255,255,255,.2);font-size:14px;
  transition:background var(--ease),color var(--ease),border-color var(--ease);
}
.nav-search:hover{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.4);}
.nav-cta{height:40px;padding:0 20px;font-size:14px;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  color:#fff;font-size:18px;border:1px solid rgba(255,255,255,.22);
}
.nav-toggle:hover{background:rgba(255,255,255,.1);}
.search-layer{
  display:none;border-top:1px solid rgba(255,255,255,.1);
  background:rgba(18,10,42,.97);padding:14px 0;
}
.search-layer.is-open{display:block;}
.search-form{
  max-width:1240px;margin:0 auto;padding:0 24px;
  display:flex;gap:12px;align-items:center;
}
.search-form input{
  flex:1;height:48px;border-radius:var(--radius-md);
  border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.06);
  color:#fff;padding:0 16px;font-size:15px;
}
.search-form input::placeholder{color:rgba(255,255,255,.5);}
.search-form input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(255,176,32,.25);}

/* ============ Hero ============ */
.hero{
  position:relative;overflow:hidden;
  background:var(--dark);
  padding:132px 0 72px;
  color:#fff;
}
.hero::before,.hero::after{
  content:"";position:absolute;border-radius:50%;pointer-events:none;
}
.hero::before{
  width:620px;height:620px;left:-180px;top:-220px;
  background:radial-gradient(circle,rgba(109,59,255,.55) 0%,rgba(109,59,255,0) 68%);
}
.hero::after{
  width:560px;height:560px;right:-160px;bottom:-240px;
  background:radial-gradient(circle,rgba(0,216,192,.4) 0%,rgba(0,216,192,0) 68%);
}
.hero .container{position:relative;z-index:2;}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:rgba(255,255,255,.6);margin-bottom:18px;
}
.breadcrumb a{color:rgba(255,255,255,.72);}
.breadcrumb a:hover{color:#00D8C0;}
.breadcrumb span.sep{color:rgba(255,255,255,.32);}
.hero h1{color:#fff;margin-bottom:16px;max-width:14em;}
.hero h1 .hl{
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{
  color:rgba(255,255,255,.76);font-size:17px;line-height:1.8;
  max-width:620px;margin-bottom:28px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:32px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px;}
.hero-visual{position:relative;}
.hero-visual .shot{
  border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--shadow-dark);border:1px solid rgba(255,255,255,.12);
}
.hero-visual .shot img{width:100%;height:340px;object-fit:cover;}
.float-card{
  position:absolute;left:-18px;bottom:-28px;width:230px;
  background:#fff;border-radius:var(--radius-md);padding:12px;
  box-shadow:var(--shadow-2);display:flex;gap:12px;align-items:center;
}
.float-card img{width:56px;height:56px;border-radius:12px;object-fit:cover;flex:0 0 auto;}
.float-card .fc-title{color:var(--text);font-size:14px;font-weight:700;line-height:1.4;}
.float-card .fc-meta{color:var(--text-3);font-size:12px;line-height:1.5;}

/* ============ 时段错位卡片 ============ */
.slot-grid{margin-top:8px;}
.slot-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform var(--ease),box-shadow var(--ease);
  display:flex;flex-direction:column;height:100%;
}
.slot-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.slot-card .cover{position:relative;overflow:hidden;}
.slot-card .cover img{width:100%;height:180px;object-fit:cover;transition:transform var(--ease);}
.slot-card:hover .cover img{transform:scale(1.03);}
.slot-card .cover .chip{
  position:absolute;top:12px;right:12px;
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 12px;border-radius:var(--radius-pill);
  background:rgba(18,10,42,.72);color:#fff;font-size:12px;font-weight:700;
}
.slot-card .cover .chip strong{color:var(--accent);font-size:14px;}
.slot-card .body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1;}
.slot-card h3{font-size:18px;}
.slot-card .time{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:700;color:var(--brand-1);letter-spacing:.02em;
}
.slot-card p{color:var(--text-2);font-size:15px;line-height:1.8;}
.slot-card .foot{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:10px;
}
.slot-card .foot .link{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;
}
.slot-card .foot .link i{transition:transform var(--ease);}
.slot-card .foot .link:hover i{transform:translateX(4px);}
.slot-card.is-shift{margin-top:36px;}
.slot-media{display:flex;flex-direction:column;gap:24px;}

/* ============ 数据块 ============ */
.pulse{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:32px;box-shadow:var(--shadow-1);
}
.stat{
  border-radius:var(--radius-md);
  padding:22px 20px;background:var(--bg);
  border:1px solid var(--line);
  height:100%;
}
.stat .num{
  font-size:30px;font-weight:700;line-height:1.2;letter-spacing:.02em;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat .lab{font-size:15px;font-weight:700;margin-top:6px;}
.stat .desc{font-size:13px;color:var(--text-3);margin-top:6px;line-height:1.7;}

.bar-list{margin-top:26px;border-top:1px solid var(--line);}
.bar-row{
  display:flex;align-items:center;gap:16px;padding:14px 0;
  border-bottom:1px solid var(--line);
}
.bar-row .name{width:110px;font-size:14px;font-weight:700;flex:0 0 auto;}
.bar-track{flex:1;height:8px;border-radius:999px;background:var(--line);overflow:hidden;}
.bar-fill{height:100%;border-radius:999px;background:var(--grad);}
.bar-row .val{width:56px;text-align:right;font-size:13px;color:var(--text-2);font-weight:700;}

/* ============ 步骤 ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.step{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:26px 22px;box-shadow:var(--shadow-1);position:relative;
  transition:transform var(--ease),box-shadow var(--ease);
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.step .idx{
  width:36px;height:36px;border-radius:50%;background:var(--grad);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:700;letter-spacing:.02em;margin-bottom:14px;
}
.step h3{font-size:17px;margin-bottom:8px;}
.step p{font-size:14px;color:var(--text-2);line-height:1.8;}

/* ============ 场景对比卡 ============ */
.scene{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:28px 24px;height:100%;box-shadow:var(--shadow-1);
  transition:border-color var(--ease),transform var(--ease),box-shadow var(--ease);
  display:flex;flex-direction:column;gap:12px;
}
.scene:hover{border-color:rgba(109,59,255,.45);transform:translateY(-4px);box-shadow:var(--shadow-2);}
.scene .icon{
  width:46px;height:46px;border-radius:14px;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(109,59,255,.1);color:var(--brand-1);font-size:19px;
}
.scene h3{font-size:18px;}
.scene p{color:var(--text-2);font-size:15px;}
.scene ul{display:flex;flex-direction:column;gap:8px;margin-top:auto;padding-top:8px;}
.scene ul li{
  font-size:14px;color:var(--text-2);display:flex;gap:8px;align-items:flex-start;line-height:1.7;
}
.scene ul li i{color:var(--brand-2);margin-top:6px;font-size:11px;}

/* ============ FAQ ============ */
.faq-wrap{max-width:860px;margin:0 auto;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);
  padding:0 22px;margin-bottom:14px;box-shadow:var(--shadow-1);
  transition:border-color var(--ease);
}
.faq-item:hover{border-color:rgba(109,59,255,.35);}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 0;font-size:17px;font-weight:700;color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;
  color:var(--brand-1);font-size:14px;flex:0 0 auto;transition:transform var(--ease);
}
.faq-item[open] summary::after{content:"\f068";}
.faq-item[open] summary{color:var(--brand-1);}
.faq-answer{
  background:#F6F4FF;border-radius:var(--radius-md);
  padding:16px 18px;margin:0 0 20px;
}
.faq-answer p{color:var(--text-2);font-size:15px;line-height:1.85;}

/* ============ CTA / 订阅 ============ */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  background:var(--dark);padding:44px;color:#fff;
  box-shadow:var(--shadow-dark);
}
.cta-band::before{
  content:"";position:absolute;width:480px;height:480px;right:-140px;top:-200px;border-radius:50%;
  background:radial-gradient(circle,rgba(0,216,192,.35) 0%,rgba(0,216,192,0) 68%);
}
.cta-band .inner{position:relative;z-index:2;}
.cta-band h2{color:#fff;margin-bottom:12px;}
.cta-band p{color:rgba(255,255,255,.74);font-size:16px;max-width:640px;}
.sub-form{display:flex;gap:12px;margin-top:24px;max-width:560px;}
.sub-form input{
  flex:1;height:48px;border-radius:var(--radius-md);padding:0 16px;
  border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.08);color:#fff;font-size:15px;
}
.sub-form input::placeholder{color:rgba(255,255,255,.5);}
.sub-form input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(255,176,32,.25);}
.form-note{font-size:13px;color:rgba(255,255,255,.55);margin-top:12px;}

/* ============ 推荐入口 ============ */
.rec-track{
  display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:8px;
}
.rec-card{
  display:flex;gap:14px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);
  padding:16px;box-shadow:var(--shadow-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.rec-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(109,59,255,.4);}
.rec-card img{width:64px;height:64px;border-radius:12px;object-fit:cover;flex:0 0 auto;}
.rec-card .rc-title{font-size:16px;font-weight:700;color:var(--text);}
.rec-card .rc-desc{font-size:13px;color:var(--text-3);line-height:1.6;}
.rec-card i.arrow{margin-left:auto;color:var(--brand-1);}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--dark);color:rgba(255,255,255,.72);
  padding:0 0 28px;margin-top:8px;position:relative;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad);
}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;
  padding:56px 0 36px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-col h3{color:#fff;font-size:15px;margin-bottom:16px;font-weight:700;}
.footer-col p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.62);}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col ul a{font-size:14px;line-height:2;color:rgba(255,255,255,.72);}
.footer-col ul a:hover{color:#00D8C0;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding-top:20px;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom a{color:rgba(255,255,255,.62);}
.footer-bottom a:hover{color:#00D8C0;}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .container{padding:0 20px;}
}
@media (max-width:1023px){
  h1{font-size:32px;}
  h2{font-size:26px;}
  .nav-links{
    position:fixed;top:56px;left:0;right:0;z-index:99;
    flex-direction:column;align-items:stretch;gap:0;
    background:rgba(18,10,42,.99);padding:10px 16px 20px;
    border-top:1px solid rgba(255,255,255,.1);
    box-shadow:0 18px 32px rgba(0,0,0,.4);
    transform:translateY(-10px);opacity:0;pointer-events:none;
    transition:opacity var(--ease),transform var(--ease);
    max-height:calc(100vh - 56px);overflow-y:auto;
  }
  .nav-links.is-open{opacity:1;transform:translateY(0);pointer-events:auto;}
  .nav-links a{
    height:52px;border-radius:12px;justify-content:space-between;
    font-size:16px;padding:0 14px;
  }
  .nav-links a::after{display:none!important;}
  .nav-links a.is-active{background:rgba(109,59,255,.28);}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .nav-cta{display:none;}
  .nav-search span{display:none;}
  .nav-search{padding:0 14px;}
  .nav-inner{height:56px;}
  .hero{padding:104px 0 56px;}
  .hero-visual .shot img{height:280px;}
  .float-card{position:static;width:100%;margin-top:18px;}
  .section{padding:52px 0;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .rec-track{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;padding:44px 0 28px;}
  .cta-band{padding:32px;}
  .slot-card.is-shift{margin-top:0;}
}
@media (max-width:767px){
  h1{font-size:28px;}
  h2{font-size:22px;}
  h3{font-size:18px;}
  body{font-size:15px;}
  .section{padding:44px 0;}
  .hero{padding:96px 0 44px;}
  .hero-sub{font-size:16px;}
  .hero-actions .btn{width:100%;}
  .steps{grid-template-columns:1fr;}
  .rec-track{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:24px;}
  .bar-row{flex-wrap:wrap;gap:10px;}
  .bar-row .name{width:auto;}
  .bar-track{width:100%;flex:1 0 100%;}
  .bar-row .val{width:auto;margin-left:auto;}
  .sub-form{flex-direction:column;}
  .sub-form .btn{width:100%;}
  .search-form{flex-direction:column;align-items:stretch;}
  .search-form .btn{width:100%;}
  .footer-bottom{flex-direction:column;gap:8px;}
}

/* roulang page: category2 */
:root{
  --brand:#6D3BFF;
  --brand-dark:#5A2BE8;
  --brand-2:#00D8C0;
  --amber:#FFB020;
  --bg:#F6F4FF;
  --card:#FFFFFF;
  --line:#E7E3FA;
  --dark:#120A2A;
  --text:#1B1436;
  --text-2:#5B5478;
  --text-3:#8E88A8;
  --grad:linear-gradient(135deg,#6D3BFF 0%,#00D8C0 100%);
  --grad-rev:linear-gradient(180deg,#6D3BFF 0%,#00D8C0 100%);
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --sh-1:0 8px 24px rgba(18,10,42,.06);
  --sh-2:0 16px 40px rgba(18,10,42,.12);
  --sh-dark:0 12px 32px rgba(0,0,0,.35);
  --container:1240px;
  --nav-h:64px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.8;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,opacity .2s ease;}
a:hover{color:var(--brand);}
p{margin:0 0 1em;color:var(--text-2);}
p:last-child{margin-bottom:0;}
h1,h2,h3,h4{margin:0 0 .6em;color:var(--text);font-weight:700;line-height:1.25;letter-spacing:.01em;}
h1{font-size:40px;}
h2{font-size:30px;}
h3{font-size:20px;}
h4{font-size:18px;}
ul,ol{margin:0 0 1em;padding-left:1.25em;color:var(--text-2);}
li{margin-bottom:.5em;}
button{font-family:inherit;}
input,textarea,select{font-family:inherit;font-size:16px;}
:focus-visible{outline:2px solid var(--amber);outline-offset:2px;}
.visually-hidden{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border-radius:999px;
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .22s ease,color .22s ease,border-color .22s ease;
  white-space:nowrap;
}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 26px rgba(109,59,255,.28);}
.btn-primary:hover{background:linear-gradient(180deg,#6D3BFF 0%,#00D8C0 100%);color:#fff;box-shadow:0 14px 32px rgba(109,59,255,.36);}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.55);border-radius:var(--r-sm);}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff;}
.btn-outline{background:#fff;color:var(--brand);border-color:var(--line);border-radius:var(--r-sm);box-shadow:var(--sh-1);}
.btn-outline:hover{color:var(--brand-dark);border-color:#CFC6F7;box-shadow:var(--sh-2);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed;box-shadow:none;}

/* ============ 标签 / 徽章 ============ */
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 12px;
  border-radius:999px;
  font-size:13px;
  line-height:1.4;
  background:#F1EDFF;
  color:var(--brand);
  border:1px solid #E4DCFF;
}
.tag-amber{background:#FFF6E5;color:#B37200;border-color:#FFE7BC;}
.tag-dark{background:rgba(255,255,255,.1);color:rgba(255,255,255,.85);border-color:rgba(255,255,255,.22);}

.kicker{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  letter-spacing:.06em;
  color:var(--brand);
  text-transform:uppercase;
}
.kicker::before{
  content:"";
  width:22px;height:2px;border-radius:2px;background:var(--grad);
}

/* ============ 头部导航 ============ */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:90;
  background:rgba(18,10,42,.86);
  backdrop-filter:blur(10px);
  box-shadow:0 8px 24px rgba(18,10,42,.28);
  transition:background .25s ease;
}
.site-header.is-scrolled{background:rgba(18,10,42,.96);}
.site-header .container{padding:0 24px;}
.nav-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:22px;
  height:var(--nav-h);
  max-width:var(--container);
  margin:0 auto;
}
.nav-left{display:flex;align-items:center;gap:30px;min-width:0;flex:0 1 auto;}
.nav-right{display:flex;align-items:center;gap:12px;flex:0 0 auto;}

.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:36px;height:36px;
  border-radius:12px;
  background:var(--grad);
  color:#fff;
  font-weight:700;
  font-size:18px;
  display:grid;place-items:center;
  box-shadow:0 8px 20px rgba(109,59,255,.4);
}
.brand-text{
  font-size:19px;
  font-weight:700;
  color:#fff;
  letter-spacing:.02em;
  white-space:nowrap;
}
.brand-text em{font-style:normal;color:var(--brand-2);}
.brand:hover .brand-text{color:#fff;}

.nav-links{display:flex;align-items:center;gap:6px;}
.nav-links a{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:38px;
  padding:0 14px;
  border-radius:999px;
  font-size:15px;
  color:rgba(255,255,255,.78);
}
.nav-links a:hover{background:rgba(109,59,255,.22);color:#fff;}
.nav-links a.is-active{color:#fff;font-weight:600;}
.nav-links a.is-active::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:2px;
  height:2px;
  border-radius:2px;
  background:var(--grad);
}

.nav-search{
  display:inline-flex;align-items:center;gap:8px;
  height:40px;padding:0 16px;
  border-radius:999px;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.18);
  color:rgba(255,255,255,.85);
  font-size:14px;
  cursor:pointer;
  transition:background .2s ease,border-color .2s ease,color .2s ease;
}
.nav-search:hover{background:rgba(255,255,255,.16);color:#fff;border-color:rgba(255,255,255,.34);}
.nav-cta{height:40px;padding:0 20px;font-size:14px;}

.nav-toggle{
  display:none;
  width:42px;height:42px;
  border-radius:12px;
  border:1px solid rgba(255,255,255,.22);
  background:rgba(255,255,255,.08);
  color:#fff;
  font-size:17px;
  cursor:pointer;
}
.nav-toggle:hover{background:rgba(255,255,255,.18);}

.search-layer{
  display:none;
  position:absolute;
  top:100%;left:0;right:0;
  background:rgba(18,10,42,.97);
  border-top:1px solid rgba(255,255,255,.1);
  padding:16px 0;
}
.search-layer.is-open{display:block;}
.search-form{
  max-width:520px;
  margin-left:auto;
  margin-right:auto;
  display:flex;
  gap:10px;
}
.search-form input{
  flex:1 1 auto;
  height:48px;
  padding:0 18px;
  border-radius:var(--r-md);
  border:1px solid rgba(255,255,255,.2);
  background:rgba(255,255,255,.08);
  color:#fff;
}
.search-form input::placeholder{color:rgba(255,255,255,.5);}
.search-form input:focus{outline:2px solid var(--amber);outline-offset:2px;border-color:transparent;}

/* ============ Hero ============ */
.hero{
  position:relative;
  background:var(--dark);
  color:#fff;
  padding:calc(var(--nav-h) + 60px) 0 72px;
  overflow:hidden;
}
.hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:url(/assets/images/backpic/back-2.png);
  background-size:cover;
  background-position:center right;
  opacity:.26;
}
.hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:
    radial-gradient(520px 340px at 8% 0%,rgba(109,59,255,.55),transparent 70%),
    radial-gradient(560px 380px at 96% 100%,rgba(0,216,192,.35),transparent 72%),
    linear-gradient(180deg,rgba(18,10,42,.82) 0%,rgba(18,10,42,.94) 100%);
}
.hero .container{position:relative;z-index:2;}
.hero-grid{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:52px;
  align-items:center;
}
.hero h1{color:#fff;font-size:40px;margin-bottom:18px;}
.hero h1 .hl{
  background:var(--grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hero-sub{
  color:rgba(255,255,255,.76);
  font-size:17px;
  line-height:1.9;
  max-width:600px;
  margin-bottom:26px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px;}
.badge-row{display:flex;flex-wrap:wrap;gap:14px;}
.stat-badge{
  display:inline-flex;
  align-items:baseline;
  gap:8px;
  padding:10px 20px;
  border-radius:999px;
  border:1px solid rgba(255,176,32,.45);
  background:linear-gradient(135deg,rgba(109,59,255,.28),rgba(0,216,192,.18));
  color:rgba(255,255,255,.8);
  font-size:12px;
  flex-wrap:nowrap;
}
.stat-badge b{
  font-size:22px;
  font-weight:700;
  color:var(--amber);
  letter-spacing:.02em;
}
.hero-visual{position:relative;}
.hero-visual .main-shot{
  width:100%;
  border-radius:var(--r-lg);
  box-shadow:var(--sh-dark);
  aspect-ratio:16/11;
  object-fit:cover;
}
.float-card{
  position:absolute;
  left:-16px;
  bottom:-26px;
  width:186px;
  background:#fff;
  border-radius:var(--r-md);
  padding:10px;
  box-shadow:var(--sh-dark);
}
.float-card img{border-radius:12px;width:100%;aspect-ratio:3/2;object-fit:cover;}
.float-card span{
  display:block;
  margin-top:8px;
  font-size:13px;
  font-weight:600;
  color:var(--text);
  line-height:1.5;
}
.float-card em{
  display:block;
  font-style:normal;
  font-size:12px;
  color:var(--text-3);
}

/* ============ 通用板块 ============ */
.section{padding:64px 0;}
.section-alt{background:#fff;}
.section-head{max-width:760px;margin-bottom:28px;}
.section-head h2{margin-bottom:12px;}
.section-head p{font-size:16px;}
.crumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--text-3);
  margin-bottom:14px;
}
.crumb a{color:var(--text-2);}
.crumb a:hover{color:var(--brand);}
.crumb span.sep{color:#C9C3DE;}

/* ============ 两栏：目录 + 内容 ============ */
.split{
  display:grid;
  grid-template-columns:3fr 9fr;
  gap:36px;
  align-items:start;
}
.toc{
  position:sticky;
  top:calc(var(--nav-h) + 24px);
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:16px;
  box-shadow:var(--sh-1);
}
.toc h2{
  font-size:15px;
  letter-spacing:.08em;
  color:var(--text-3);
  text-transform:uppercase;
  margin:6px 10px 12px;
}
.toc a{
  display:flex;
  align-items:center;
  gap:12px;
  padding:11px 10px;
  border-radius:var(--r-sm);
  font-size:15px;
  color:var(--text-2);
  border-bottom:1px solid var(--line);
}
.toc a:last-child{border-bottom:0;}
.toc a:hover{background:#F7F5FF;color:var(--brand);}
.toc .num{
  flex:0 0 34px;
  width:34px;height:34px;
  border-radius:50%;
  background:var(--grad);
  color:#fff;
  font-size:13px;
  font-weight:700;
  display:grid;place-items:center;
}
.toc a .arrow{margin-left:auto;color:#C4BCE0;transition:transform .22s ease;}
.toc a:hover .arrow{transform:translateX(4px);color:var(--brand);}

.panel{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:30px;
  box-shadow:var(--sh-1);
  margin-bottom:24px;
  scroll-margin-top:calc(var(--nav-h) + 24px);
}
.panel h3{font-size:22px;margin-bottom:14px;}
.panel h3 .idx{
  display:inline-block;
  margin-right:10px;
  font-size:13px;
  color:var(--brand);
  vertical-align:middle;
  letter-spacing:.08em;
}
.plain-list{list-style:none;padding:0;margin:0;}
.plain-list li{
  position:relative;
  padding-left:24px;
  color:var(--text-2);
  margin-bottom:12px;
}
.plain-list li::before{
  content:"";
  position:absolute;
  left:2px;top:11px;
  width:9px;height:9px;
  border-radius:3px;
  background:var(--grad);
}

/* 评分条 */
.meter{margin-bottom:20px;}
.meter:last-child{margin-bottom:0;}
.meter-head{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  font-size:14px;
  margin-bottom:8px;
  color:var(--text-2);
}
.meter-head b{font-size:20px;color:var(--amber);letter-spacing:.02em;}
.bar{height:10px;border-radius:999px;background:#EFECFB;overflow:hidden;}
.bar span{display:block;height:100%;border-radius:999px;background:var(--grad);}

/* 分层卡 */
.tier-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:20px;
}
.tier-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease;
}
.tier-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.tier-card .thumb{position:relative;overflow:hidden;}
.tier-card .thumb img{
  width:100%;
  aspect-ratio:3/2;
  object-fit:cover;
  transition:transform .22s ease-out;
}
.tier-card:hover .thumb img{transform:scale(1.03);}
.tier-card .badge{
  position:absolute;
  top:12px;right:12px;
  padding:4px 12px;
  border-radius:999px;
  background:rgba(18,10,42,.72);
  color:#fff;
  font-size:12px;
}
.tier-card .body{padding:20px;}
.tier-card h4{margin-bottom:8px;font-size:18px;}
.tier-card p{font-size:14px;margin-bottom:12px;}

/* 时间轴 */
.timeline{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:22px;
  position:relative;
}
.tl-item{
  position:relative;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:26px 22px;
  box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease;
}
.tl-item:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.tl-item .step{
  width:38px;height:38px;
  border-radius:50%;
  background:var(--grad);
  color:#fff;
  font-size:14px;
  font-weight:700;
  display:grid;place-items:center;
  margin-bottom:14px;
}
.tl-item h4{font-size:17px;margin-bottom:8px;}
.tl-item p{font-size:14px;margin:0;}

/* 品类标签 */
.cat-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:12px;
}
.cat-chip{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  padding:14px 16px;
  border-radius:var(--r-md);
  border:1px solid var(--line);
  background:#FCFBFF;
  font-size:15px;
  color:var(--text);
  transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.cat-chip:hover{border-color:#CFC6F7;transform:translateY(-3px);box-shadow:var(--sh-1);color:var(--brand);}
.cat-chip span{font-size:12px;color:var(--text-3);}

/* ============ FAQ ============ */
.faq-list{max-width:920px;}
.faq-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  margin-bottom:12px;
  overflow:hidden;
  transition:box-shadow .22s ease,border-color .22s ease;
}
.faq-item:hover{box-shadow:var(--sh-1);}
.faq-item.is-open{border-color:#D8CFFA;box-shadow:var(--sh-1);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:18px 22px;
  background:none;
  border:0;
  text-align:left;
  font-size:18px;
  font-weight:700;
  color:var(--text);
  cursor:pointer;
}
.faq-icon{position:relative;flex:0 0 20px;width:20px;height:20px;}
.faq-icon::before,.faq-icon::after{
  content:"";
  position:absolute;
  background:var(--brand);
  border-radius:2px;
  transition:transform .25s ease,opacity .25s ease;
}
.faq-icon::before{left:2px;right:2px;top:9px;height:2px;}
.faq-icon::after{top:2px;bottom:2px;left:9px;width:2px;}
.faq-item.is-open .faq-icon::after{transform:scaleY(0);opacity:0;}
.faq-a{
  display:none;
  margin:0 12px 12px;
  padding:16px 18px;
  border-radius:var(--r-sm);
  background:#F6F4FF;
  color:var(--text-2);
  font-size:15px;
}
.faq-item.is-open .faq-a{display:block;}

/* ============ CTA ============ */
.cta-band{
  position:relative;
  border-radius:24px;
  overflow:hidden;
  background:var(--dark);
  padding:48px;
  color:#fff;
}
.cta-band::before{
  content:"";
  position:absolute;inset:0;
  background:
    radial-gradient(420px 300px at 6% 0%,rgba(109,59,255,.6),transparent 70%),
    radial-gradient(460px 320px at 98% 100%,rgba(0,216,192,.4),transparent 72%);
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:36px;align-items:center;}
.cta-band h2{color:#fff;font-size:28px;margin-bottom:12px;}
.cta-band p{color:rgba(255,255,255,.76);margin:0;}
.sub-form{display:flex;gap:10px;flex-wrap:wrap;}
.sub-form input{
  flex:1 1 220px;
  height:48px;
  padding:0 18px;
  border-radius:var(--r-md);
  border:1px solid rgba(255,255,255,.24);
  background:rgba(255,255,255,.1);
  color:#fff;
}
.sub-form input::placeholder{color:rgba(255,255,255,.55);}
.sub-form input:focus{outline:2px solid var(--amber);outline-offset:2px;border-color:transparent;}
.form-note{font-size:13px;color:rgba(255,255,255,.6);margin-top:12px;}
.form-error{display:none;font-size:13px;color:#FF8A8F;margin-top:10px;}
.form-error.is-show{display:block;}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;
  background:var(--dark);
  color:rgba(255,255,255,.72);
  margin-top:72px;
  padding:56px 0 26px;
}
.site-footer::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:3px;
  background:var(--grad);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:32px;
  padding-bottom:32px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-col h3{color:#fff;font-size:16px;margin-bottom:16px;}
.footer-col p{color:rgba(255,255,255,.68);font-size:14px;}
.footer-col ul{list-style:none;padding:0;margin:0;}
.footer-col li{margin-bottom:8px;}
.footer-col ul a{font-size:14px;color:rgba(255,255,255,.72);line-height:2;}
.footer-col ul a:hover{color:var(--brand-2);}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding-top:22px;
  font-size:13px;
  color:rgba(255,255,255,.55);
}
.footer-bottom a{color:rgba(255,255,255,.7);}
.footer-bottom a:hover{color:var(--brand-2);}

/* ============ 返回顶部 ============ */
.to-top{
  position:fixed;
  right:22px;bottom:26px;
  width:46px;height:46px;
  border-radius:50%;
  border:0;
  background:var(--grad);
  color:#fff;
  font-size:16px;
  display:grid;place-items:center;
  cursor:pointer;
  box-shadow:0 12px 28px rgba(109,59,255,.35);
  opacity:0;
  visibility:hidden;
  transform:translateY(10px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s;
  z-index:80;
}
.to-top.is-show{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{background:linear-gradient(180deg,#6D3BFF 0%,#00D8C0 100%);}

/* ============ 响应式 ============ */
@media screen and (max-width:1280px){
  .nav-links a{padding:0 11px;font-size:14px;}
  .nav-left{gap:20px;}
}
@media screen and (max-width:1100px){
  .nav-search span{display:none;}
  .nav-search{padding:0 14px;}
  .footer-grid{grid-template-columns:1.3fr 1fr 1fr; }
}
@media screen and (max-width:1024px){
  :root{--nav-h:56px;}
  h1{font-size:32px;}
  h2{font-size:26px;}
  .hero h1{font-size:32px;}
  .hero{padding:calc(var(--nav-h) + 44px) 0 60px;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero-visual{order:2;}
  .float-card{left:12px;bottom:-22px;width:160px;}
  .split{grid-template-columns:1fr;gap:24px;}
  .toc{position:static;}
  .tier-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .timeline{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cat-grid{grid-template-columns:repeat(3,minmax(0,1fr));}
  .cta-inner{grid-template-columns:1fr;gap:24px;}

  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .nav-links{
    position:fixed;
    top:var(--nav-h);
    left:0;right:0;bottom:0;
    display:flex;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    padding:14px 18px 30px;
    background:rgba(18,10,42,.98);
    overflow-y:auto;
    opacity:0;
    visibility:hidden;
    transform:translateY(-10px);
    transition:opacity .24s ease,transform .24s ease,visibility .24s;
  }
  .nav-links.is-open{opacity:1;visibility:visible;transform:translateY(0);}
  .nav-links a{
    height:52px;
    border-radius:var(--r-sm);
    padding:0 16px;
    font-size:16px;
    color:rgba(255,255,255,.86);
    border-bottom:1px solid rgba(255,255,255,.08);
  }
  .nav-links a::after{display:none;}
  .nav-links a.is-active{background:rgba(109,59,255,.26);color:#fff;}
  .nav-cta{display:none;}
}
@media screen and (max-width:768px){
  .container{padding:0 20px;}
  .section{padding:48px 0;}
  .hero-sub{font-size:16px;}
  .panel{padding:22px;}
  .panel h3{font-size:19px;}
  .tier-grid{grid-template-columns:1fr;}
  .timeline{grid-template-columns:1fr;}
  .cat-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-band{padding:32px 24px;}
  .cta-band h2{font-size:23px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
}
@media screen and (max-width:520px){
  h1{font-size:27px;}
  h2{font-size:22px;}
  .hero h1{font-size:27px;}
  .hero-actions .btn{width:100%;}
  .stat-badge{padding:8px 14px;}
  .stat-badge b{font-size:19px;}
  .float-card{display:none;}
  .cat-grid{grid-template-columns:1fr;}
  .faq-q{font-size:16px;padding:16px 18px;}
  .to-top{right:14px;bottom:16px;}
}

/* roulang page: category4 */
:root{
  --brand-a:#6D3BFF;
  --brand-b:#00D8C0;
  --brand-hover:#5A2BE8;
  --amber:#FFB020;
  --bg:#F6F4FF;
  --card:#FFFFFF;
  --line:#E7E3FA;
  --dark:#120A2A;
  --t1:#1B1436;
  --t2:#5B5478;
  --t3:#8E88A8;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --pill:999px;
  --sh1:0 8px 24px rgba(18,10,42,.06);
  --sh2:0 16px 40px rgba(18,10,42,.12);
  --grad:linear-gradient(135deg,#6D3BFF 0%,#00D8C0 100%);
  --grad-rev:linear-gradient(180deg,#00D8C0 0%,#6D3BFF 100%);
  --container:1240px;
  --header-h:64px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--t1);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand-a);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-hover);}
button,input{font-family:inherit;font-size:inherit;}
button{cursor:pointer;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.28;letter-spacing:.01em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--amber);outline-offset:2px;border-radius:6px;}
.visually-hidden{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}

/* ============ 导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  background:rgba(18,10,42,.76);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  box-shadow:0 8px 24px rgba(18,10,42,.28);
  transition:background .25s ease;
}
.site-header.is-scrolled{background:rgba(18,10,42,.95);}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:var(--header-h);}
.nav-left{display:flex;align-items:center;gap:26px;min-width:0;}
.brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:18px;letter-spacing:.02em;white-space:nowrap;}
.brand:hover{color:#fff;}
.brand-mark{
  width:34px;height:34px;border-radius:12px;background:var(--grad);
  display:grid;place-items:center;color:#fff;font-size:16px;font-weight:700;
  box-shadow:0 6px 18px rgba(109,59,255,.45);flex:0 0 auto;
}
.brand-text em{font-style:normal;color:#00D8C0;}
.nav-links{display:flex;align-items:center;gap:4px;}
.nav-links a{
  position:relative;color:rgba(255,255,255,.76);font-size:15px;
  padding:8px 13px;border-radius:var(--pill);white-space:nowrap;
  transition:background .2s ease,color .2s ease;
}
.nav-links a:hover{background:rgba(255,255,255,.1);color:#fff;}
.nav-links a.is-active{color:#fff;background:rgba(255,255,255,.08);}
.nav-links a.is-active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:2px;height:2px;
  border-radius:2px;background:var(--grad);
}
.nav-right{display:flex;align-items:center;gap:12px;}
.nav-search{
  display:inline-flex;align-items:center;gap:8px;height:38px;padding:0 16px;
  border-radius:var(--pill);border:1px solid rgba(255,255,255,.22);
  background:transparent;color:rgba(255,255,255,.85);font-size:14px;
  transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.nav-search:hover{border-color:var(--brand-b);color:#fff;background:rgba(255,255,255,.06);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:0;font-weight:600;font-size:15px;line-height:1;
  padding:0 22px;height:42px;border-radius:var(--pill);
  transition:transform .18s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(109,59,255,.28);}
.btn-primary:hover{background:var(--grad-rev);color:#fff;transform:translateY(-1px);box-shadow:0 14px 30px rgba(109,59,255,.34);}
.btn-ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.42);}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;transform:translateY(-1px);}
.btn-light{background:#fff;color:var(--brand-a);box-shadow:var(--sh1);}
.btn-light:hover{color:var(--brand-hover);transform:translateY(-1px);box-shadow:var(--sh2);}
.nav-cta{height:38px;font-size:14px;padding:0 18px;}
.nav-toggle{
  display:none;width:40px;height:38px;border-radius:12px;
  border:1px solid rgba(255,255,255,.22);background:transparent;color:#fff;font-size:16px;
}
.search-layer{display:none;}
.search-layer.is-open{
  display:block;position:absolute;left:0;right:0;top:var(--header-h);
  background:rgba(18,10,42,.97);border-top:1px solid rgba(255,255,255,.08);
  padding:18px 0;box-shadow:0 16px 40px rgba(0,0,0,.35);
}
.search-form{display:flex;gap:12px;max-width:760px;margin:0 auto;padding:0 24px;}
.search-form input{
  flex:1;min-width:0;height:48px;border-radius:var(--r-md);padding:0 16px;
  border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);color:#fff;
}
.search-form input::placeholder{color:rgba(255,255,255,.5);}
.search-form input:focus{outline:none;border-color:var(--amber);box-shadow:0 0 0 3px rgba(255,176,32,.22);}

/* ============ Hero ============ */
.hero{
  position:relative;overflow:hidden;color:#fff;
  background:var(--dark) url("/assets/images/backpic/back-2.png") center/cover no-repeat;
  padding:calc(var(--header-h) + 68px) 0 72px;
}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(680px 420px at 12% 8%,rgba(109,59,255,.55),transparent 68%),
    radial-gradient(620px 400px at 88% 92%,rgba(0,216,192,.32),transparent 70%);
}
.hero .container{position:relative;z-index:2;}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
  padding:6px 14px;border-radius:var(--pill);letter-spacing:.04em;
  color:#D9FFFF;background:rgba(0,216,192,.14);border:1px solid rgba(0,216,192,.35);
}
.hero h1{font-size:40px;margin-top:18px;color:#fff;}
.hero-sub{margin-top:16px;max-width:600px;font-size:16px;line-height:1.85;color:rgba(255,255,255,.74);}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px;}
.badge{
  display:inline-flex;align-items:baseline;gap:8px;padding:9px 16px;border-radius:var(--pill);
  border:1px solid rgba(255,176,32,.6);background:rgba(255,255,255,.05);
}
.badge b{font-size:22px;font-weight:700;color:var(--amber);letter-spacing:.02em;line-height:1;}
.badge span{font-size:12px;color:rgba(255,255,255,.72);}
.hero-visual{position:relative;padding-bottom:26px;}
.hero-visual .main-img{width:100%;border-radius:var(--r-lg);box-shadow:0 12px 32px rgba(0,0,0,.35);}
.float-card{
  position:absolute;left:-16px;bottom:0;display:flex;gap:12px;align-items:center;
  background:#fff;color:var(--t1);border-radius:var(--r-md);padding:12px 14px;
  box-shadow:0 16px 40px rgba(0,0,0,.32);max-width:300px;
}
.float-card img{width:54px;height:54px;border-radius:12px;object-fit:cover;flex:0 0 auto;}
.float-card strong{display:block;font-size:14px;}
.float-card i{font-style:normal;font-size:12px;color:var(--t3);}

/* ============ 通用板块 ============ */
.section{padding:64px 0;}
.section-alt{background:#fff;}
.section-head{max-width:780px;margin-bottom:28px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
  color:var(--brand-a);background:rgba(109,59,255,.09);
  padding:6px 14px;border-radius:var(--pill);letter-spacing:.03em;
}
.section-head h2{font-size:30px;margin-top:14px;}
.section-head p{margin-top:12px;color:var(--t2);font-size:16px;line-height:1.85;}

/* ============ 九宫格数据矩阵 ============ */
.matrix{
  display:grid;grid-template-columns:repeat(3,1fr);gap:1px;
  background:var(--line);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh1);
}
.matrix-cell{background:var(--card);padding:28px 24px;transition:background .22s ease;}
.matrix-cell:hover{background:#F9F7FF;}
.matrix-num{
  font-size:32px;font-weight:700;letter-spacing:.02em;line-height:1.1;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.matrix-label{margin-top:10px;font-size:16px;font-weight:700;}
.matrix-desc{margin-top:6px;font-size:13px;line-height:1.7;color:var(--t3);}
.matrix-note{margin-top:20px;font-size:13px;color:var(--t3);}

/* ============ 类目卡片 ============ */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.card{
  display:flex;flex-direction:column;overflow:hidden;background:var(--card);
  border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh1);
  transition:transform .22s ease,box-shadow .22s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh2);}
.card-media{overflow:hidden;}
.card-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .22s ease-out;}
.card:hover .card-media img{transform:scale(1.03);}
.card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-body h3{font-size:18px;}
.card-body p{font-size:15px;line-height:1.75;color:var(--t2);}
.tag{
  display:inline-flex;align-items:center;font-size:12px;font-weight:600;
  padding:4px 12px;border-radius:var(--pill);color:var(--brand-a);background:rgba(109,59,255,.09);
}
.tag-amber{color:#9A6200;background:rgba(255,176,32,.18);}
.card-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--t3);}

/* ============ 流程 ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.step{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:24px 22px;box-shadow:var(--sh1);transition:box-shadow .22s ease,transform .22s ease;
}
.step:hover{transform:translateY(-3px);box-shadow:var(--sh2);}
.step-num{
  width:36px;height:36px;border-radius:var(--pill);background:var(--grad);color:#fff;
  display:grid;place-items:center;font-weight:700;font-size:15px;
}
.step h3{font-size:17px;margin-top:14px;}
.step p{margin-top:8px;font-size:14px;line-height:1.7;color:var(--t2);}

/* ============ 适用场景 ============ */
.scene-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.scene-item{
  display:flex;gap:16px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-md);padding:20px;box-shadow:var(--sh1);
  transition:transform .22s ease,box-shadow .22s ease;
}
.scene-item:hover{transform:translateY(-3px);box-shadow:var(--sh2);}
.scene-item img{width:92px;height:92px;border-radius:14px;object-fit:cover;flex:0 0 auto;}
.scene-item h3{font-size:17px;}
.scene-item p{margin-top:8px;font-size:14px;color:var(--t2);line-height:1.75;}

/* ============ 反馈 ============ */
.quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.quote{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--sh1);display:flex;flex-direction:column;gap:14px;
}
.stars{color:var(--amber);font-size:13px;letter-spacing:2px;}
.quote p{font-size:15px;line-height:1.85;color:var(--t1);}
.quote-by{margin-top:auto;font-size:13px;color:var(--t3);}

/* ============ FAQ ============ */
.faq{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:6px 26px;box-shadow:var(--sh1);}
.faq details{border-bottom:1px solid var(--line);}
.faq details:last-child{border-bottom:0;}
.faq summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;
  gap:16px;padding:20px 0;font-size:17px;font-weight:700;color:var(--t1);
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::after{
  content:"+";font-size:24px;line-height:1;color:var(--brand-a);
  transition:transform .22s ease;flex:0 0 auto;
}
.faq details[open] summary::after{transform:rotate(45deg);}
.faq summary:hover{color:var(--brand-hover);}
.faq-body{
  font-size:15px;line-height:1.85;color:var(--t2);
  background:#F9F7FF;border-radius:var(--r-md);padding:16px 18px;margin:0 0 18px;
}

/* ============ CTA ============ */
.cta-band{
  position:relative;overflow:hidden;border-radius:24px;color:#fff;
  background:var(--dark) url("/assets/images/backpic/back-3.png") center/cover no-repeat;
  padding:48px;display:grid;grid-template-columns:1.1fr .9fr;gap:36px;align-items:center;
  box-shadow:0 20px 48px rgba(18,10,42,.24);
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(520px 320px at 88% 12%,rgba(0,216,192,.34),transparent 70%);
  pointer-events:none;
}
.cta-band > *{position:relative;z-index:2;}
.cta-band h2{font-size:28px;color:#fff;}
.cta-band p{margin-top:14px;color:rgba(255,255,255,.76);font-size:15px;line-height:1.85;}
.subscribe{display:flex;flex-wrap:wrap;gap:12px;}
.subscribe input{
  flex:1;min-width:220px;height:48px;border-radius:var(--r-md);padding:0 16px;
  border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.08);color:#fff;
}
.subscribe input::placeholder{color:rgba(255,255,255,.55);}
.subscribe input:focus{outline:none;border-color:var(--amber);box-shadow:0 0 0 3px rgba(255,176,32,.22);}
.subscribe input.is-error{border-color:#E5484D;box-shadow:0 0 0 3px rgba(229,72,77,.2);}
.form-msg{margin-top:10px;min-height:20px;font-size:13px;color:rgba(255,255,255,.7);}
.form-msg.is-error{color:#FF8A8E;}
.form-msg.is-ok{color:#00E3C8;}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;margin-top:64px;background:var(--dark);color:rgba(255,255,255,.72);
  padding:56px 0 26px;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;}
.footer-col h3{font-size:15px;color:#fff;margin-bottom:16px;}
.footer-col p{font-size:14px;line-height:1.9;margin-top:16px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul a{font-size:14px;color:rgba(255,255,255,.72);}
.footer-col ul a:hover{color:#00D8C0;}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom a{color:rgba(255,255,255,.7);}
.footer-bottom a:hover{color:#00D8C0;}

/* ============ 响应式 ============ */
@media screen and (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero{padding-top:calc(var(--header-h) + 48px);}
  .hero h1{font-size:32px;}
  .hero-visual{order:2;padding-bottom:20px;}
  .float-card{position:static;margin-top:16px;max-width:none;}
  .cards,.quotes{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:repeat(2,1fr);}
  .matrix{grid-template-columns:repeat(2,1fr);}
  .cta-band{grid-template-columns:1fr;padding:36px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .nav-links{
    position:absolute;top:var(--header-h);left:0;right:0;display:none;
    flex-direction:column;align-items:stretch;gap:0;
    background:rgba(18,10,42,.98);padding:8px 20px 18px;
    box-shadow:0 16px 40px rgba(0,0,0,.4);
  }
  .nav-links.is-open{display:flex;}
  .nav-links a{padding:14px 6px;border-radius:0;border-bottom:1px solid rgba(255,255,255,.08);font-size:15px;}
  .nav-links a.is-active::after{left:6px;right:auto;width:36px;}
  .nav-toggle{display:inline-flex;}
  .nav-cta{display:none;}
  .nav-search span{display:none;}
  .nav-search{width:38px;padding:0;justify-content:center;}
}
@media screen and (max-width:768px){
  .container{padding:0 18px;}
  .section{padding:46px 0;}
  .hero{padding-top:calc(var(--header-h) + 36px);padding-bottom:52px;}
  .hero h1{font-size:28px;}
  .hero-sub{font-size:15px;}
  .section-head h2,.cta-band h2{font-size:22px;}
  .cards,.quotes,.scene-grid,.steps{grid-template-columns:1fr;}
  .matrix-cell{padding:22px 18px;}
  .matrix-num{font-size:26px;}
  .faq{padding:4px 18px;}
  .faq summary{font-size:16px;padding:16px 0;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
  .float-card img{width:46px;height:46px;}
  .scene-item{flex-direction:column;}
  .scene-item img{width:100%;height:160px;}
}
@media screen and (max-width:520px){
  .matrix{grid-template-columns:1fr;}
  .hero-actions .btn{width:100%;}
  .badge{flex:1 1 100%;justify-content:flex-start;}
  .brand-text{font-size:16px;}
}

/* roulang page: category3 */
:root{
  --brand-1:#6D3BFF;
  --brand-2:#00D8C0;
  --brand-grad:linear-gradient(135deg,#6D3BFF 0%,#00D8C0 100%);
  --brand-grad-rev:linear-gradient(180deg,#5A2BE8 0%,#00C4AF 100%);
  --amber:#FFB020;
  --bg:#F6F4FF;
  --card:#FFFFFF;
  --line:#E7E3FA;
  --dark:#120A2A;
  --dark-2:#1A1136;
  --text:#1B1436;
  --text-2:#5B5478;
  --text-3:#8E88A8;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --r-pill:999px;
  --sh-1:0 8px 24px rgba(18,10,42,.06);
  --sh-2:0 16px 40px rgba(18,10,42,.12);
  --sh-dark:0 12px 32px rgba(0,0,0,.35);
  --nav-h:64px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:88px;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{line-height:1.25;font-weight:700;margin:0;color:var(--text);}
p{margin:0;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
ul,ol{margin:0;padding:0;list-style:none;}
img{max-width:100%;display:block;}
button,input{font:inherit;}
button{cursor:pointer;}
::selection{background:rgba(109,59,255,.18);}
.visually-hidden{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--amber);outline-offset:2px;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:transform .18s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--brand-grad);color:#fff;box-shadow:0 10px 24px rgba(109,59,255,.28);}
.btn-primary:hover{background:var(--brand-grad-rev);transform:translateY(-2px);box-shadow:0 16px 32px rgba(109,59,255,.34);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.34);}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.62);}
.btn-ghost:active{transform:translateY(1px);}
.btn-outline{background:#fff;color:var(--brand-1);border-color:var(--line);}
.btn-outline:hover{border-color:var(--brand-1);color:#5A2BE8;transform:translateY(-2px);box-shadow:var(--sh-1);}
.btn-dark{background:var(--dark);color:#fff;}
.btn-dark:hover{background:#241650;transform:translateY(-2px);box-shadow:0 14px 28px rgba(0,0,0,.28);}

/* ============ 顶部导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  background:rgba(18,10,42,.86);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  box-shadow:0 8px 24px rgba(18,10,42,.28);
  transition:background .25s ease;
}
.site-header.is-scrolled{background:rgba(18,10,42,.96);}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:var(--nav-h);}
.nav-left{display:flex;align-items:center;gap:30px;flex:1 1 auto;min-width:0;}
.brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:18px;letter-spacing:.02em;}
.brand-mark{
  width:34px;height:34px;border-radius:11px;background:var(--brand-grad);
  display:grid;place-items:center;color:#fff;font-size:17px;font-weight:700;flex:0 0 auto;
}
.brand-text em{font-style:normal;color:var(--brand-2);}
.nav-links{display:flex;align-items:center;gap:2px;}
.nav-links a{
  position:relative;display:inline-flex;align-items:center;height:38px;padding:0 14px;
  border-radius:var(--r-pill);color:rgba(255,255,255,.74);font-size:15px;
  transition:color .2s ease,background .2s ease;
}
.nav-links a:hover{color:#fff;background:rgba(109,59,255,.3);}
.nav-links a.is-active{color:#fff;font-weight:600;}
.nav-links a.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  border-radius:2px;background:var(--brand-grad);
}
.nav-right{display:flex;align-items:center;gap:12px;}
.nav-search{
  display:inline-flex;align-items:center;gap:8px;height:38px;padding:0 16px;
  border-radius:var(--r-pill);border:1px solid rgba(255,255,255,.2);
  background:rgba(255,255,255,.06);color:rgba(255,255,255,.82);font-size:14px;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.nav-search:hover{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.4);}
.nav-cta{height:40px;padding:0 20px;font-size:14px;}
.nav-cta:hover{transform:translateY(-1px);}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:12px;
  border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.06);color:#fff;
  transition:background .2s ease;
}
.nav-toggle:hover{background:rgba(255,255,255,.16);}
.search-layer{
  position:absolute;left:0;right:0;top:100%;
  background:var(--dark-2);border-top:1px solid rgba(255,255,255,.08);
  max-height:0;overflow:hidden;padding:0 24px;
  transition:max-height .3s ease,padding .3s ease;
}
.search-layer.is-open{max-height:170px;padding:18px 24px 22px;}
.search-form{max-width:1240px;margin:0 auto;display:flex;gap:12px;align-items:center;}
.search-form input{
  flex:1 1 auto;min-width:0;height:48px;border-radius:var(--r-md);
  border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.08);
  color:#fff;padding:0 16px;
}
.search-form input::placeholder{color:rgba(255,255,255,.45);}
.search-form input:focus{border-color:var(--brand-2);background:rgba(255,255,255,.12);}

/* ============ Hero ============ */
.hero{
  position:relative;overflow:hidden;background:var(--dark);color:#fff;
  padding:calc(var(--nav-h) + 66px) 0 76px;
}
.hero::before{
  content:"";position:absolute;width:640px;height:640px;left:-200px;top:-240px;border-radius:50%;
  background:radial-gradient(circle,rgba(109,59,255,.55),transparent 68%);pointer-events:none;
}
.hero::after{
  content:"";position:absolute;width:580px;height:580px;right:-180px;bottom:-280px;border-radius:50%;
  background:radial-gradient(circle,rgba(0,216,192,.36),transparent 68%);pointer-events:none;
}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:var(--r-pill);
  font-size:13px;font-weight:600;letter-spacing:.06em;color:#DCD4FF;
  border:1px solid rgba(109,59,255,.6);background:rgba(109,59,255,.18);
}
.hero-eyebrow i{color:var(--brand-2);}
.hero h1{color:#fff;font-size:40px;margin-top:20px;max-width:15em;}
.hero-sub{margin-top:18px;color:rgba(255,255,255,.72);font-size:17px;line-height:1.9;max-width:34em;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.badge-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px;}
.stat-badge{
  display:inline-flex;align-items:baseline;gap:8px;padding:10px 18px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.06);border:1px solid rgba(0,216,192,.42);
}
.stat-badge strong{font-size:22px;font-weight:700;color:var(--amber);letter-spacing:.02em;font-variant-numeric:tabular-nums;}
.stat-badge span{font-size:12px;color:rgba(255,255,255,.72);}
.hero-visual{position:relative;}
.hero-visual > img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-lg);
  box-shadow:var(--sh-dark);border:1px solid rgba(255,255,255,.12);
}
.float-card{
  position:absolute;left:-18px;bottom:-20px;display:flex;align-items:center;gap:12px;
  background:#fff;border-radius:var(--r-md);padding:12px 16px;box-shadow:var(--sh-2);max-width:280px;
}
.float-card img{width:56px;height:56px;border-radius:12px;object-fit:cover;flex:0 0 auto;}
.float-card strong{display:block;font-size:14px;color:var(--text);}
.float-card span{display:block;font-size:12px;color:var(--text-3);line-height:1.6;}

/* ============ 面包屑 ============ */
.breadcrumb-bar{background:#fff;border-bottom:1px solid var(--line);}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:14px 0;font-size:13px;color:var(--text-3);}
.breadcrumb a{color:var(--text-2);}
.breadcrumb a:hover{color:var(--brand-1);}
.breadcrumb .sep{color:#C9C4E4;}
.breadcrumb .current{color:var(--text);max-width:280px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ============ 板块通用 ============ */
.section{padding:64px 0;}
.section-alt{background:#fff;}
.section-head{max-width:780px;margin-bottom:28px;}
.section-kicker{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;font-weight:600;letter-spacing:.12em;color:var(--brand-1);
}
.section-kicker::before{content:"";width:26px;height:2px;border-radius:2px;background:var(--brand-grad);}
.section-head h2{font-size:30px;margin-top:12px;}
.section-head p{margin-top:14px;color:var(--text-2);font-size:16px;line-height:1.9;}

/* ============ 阶段横向时间轴带 ============ */
.stage-strip{
  display:flex;gap:16px;overflow-x:auto;padding:6px 2px 20px;
  scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;
}
.stage-strip::-webkit-scrollbar{height:6px;}
.stage-strip::-webkit-scrollbar-thumb{background:#D8D2F5;border-radius:999px;}
.stage-chip{
  flex:0 0 208px;scroll-snap-align:start;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-md);padding:18px;box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.stage-chip:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#CFC6F7;}
.stage-chip .chip-num{
  display:inline-grid;place-items:center;width:36px;height:36px;border-radius:50%;
  background:var(--brand-grad);color:#fff;font-size:13px;font-weight:700;letter-spacing:.02em;
}
.stage-chip h3{font-size:16px;margin-top:14px;}
.stage-chip p{font-size:13px;color:var(--text-2);margin-top:8px;line-height:1.75;}
.stage-chip .chip-go{
  display:inline-flex;align-items:center;gap:6px;margin-top:12px;font-size:13px;
  color:var(--brand-1);font-weight:600;transition:transform .2s ease;
}
.stage-chip:hover .chip-go{transform:translateX(4px);}

/* ============ 纵向交替时间轴 ============ */
.route-timeline{position:relative;padding:8px 0 0;}
.route-timeline::before{
  content:"";position:absolute;left:50%;top:0;bottom:0;width:2px;transform:translateX(-50%);
  background:linear-gradient(180deg,rgba(109,59,255,.15),var(--brand-1),var(--brand-2),rgba(0,216,192,.15));
}
.tl-item{position:relative;width:50%;padding-right:58px;margin-bottom:32px;}
.tl-item:nth-child(even){margin-left:50%;padding-right:0;padding-left:58px;}
.tl-node{
  position:absolute;top:26px;right:-20px;width:40px;height:40px;border-radius:50%;
  display:grid;place-items:center;font-size:13px;font-weight:700;color:#fff;
  background:var(--brand-grad);border:3px solid var(--bg);box-shadow:0 0 0 4px rgba(109,59,255,.1);
  z-index:3;
}
.tl-item:nth-child(even) .tl-node{right:auto;left:-20px;}
.tl-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px 26px;box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease;
}
.tl-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.tl-tag{
  display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;color:var(--brand-1);background:#F1EDFF;border:1px solid #E2DAFF;
}
.tl-card h3{font-size:20px;margin-top:14px;}
.tl-card > p{margin-top:10px;color:var(--text-2);font-size:15px;line-height:1.9;}
.tl-list{margin-top:16px;display:grid;gap:10px;}
.tl-list li{position:relative;padding-left:22px;font-size:14.5px;color:var(--text-2);line-height:1.8;}
.tl-list li::before{
  content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:50%;
  background:var(--brand-grad);
}
.tl-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.tl-meta span{
  font-size:12px;color:var(--text-3);padding:3px 10px;border-radius:var(--r-pill);
  background:#F8F6FF;border:1px solid var(--line);
}

/* ============ 误区对照 ============ */
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.compare-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:26px;box-shadow:var(--sh-1);}
.compare-card h3{font-size:20px;display:flex;align-items:center;gap:10px;}
.compare-bad h3 i{color:#E5484D;}
.compare-good h3 i{color:var(--brand-2);}
.compare-list{margin-top:18px;display:grid;gap:14px;}
.compare-list li{display:flex;gap:12px;align-items:flex-start;padding-bottom:14px;border-bottom:1px dashed var(--line);}
.compare-list li:last-child{border-bottom:none;padding-bottom:0;}
.compare-list p{font-size:14.5px;color:var(--text-2);line-height:1.85;}
.mark{
  flex:0 0 auto;width:22px;height:22px;border-radius:50%;display:grid;place-items:center;
  font-size:13px;font-weight:700;margin-top:5px;
}
.mark-bad{background:rgba(229,72,77,.12);color:#E5484D;}
.mark-good{background:rgba(0,216,192,.16);color:#00A38F;}

/* ============ 适用场景卡 ============ */
.scene-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.scene-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--sh-1);transition:transform .22s ease,box-shadow .22s ease;
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.scene-media{overflow:hidden;}
.scene-media img{width:100%;aspect-ratio:3/2;object-fit:cover;transition:transform .22s ease;}
.scene-card:hover .scene-media img{transform:scale(1.03);}
.scene-body{padding:18px 20px 22px;}
.scene-body span{
  display:inline-block;font-size:12px;font-weight:600;color:var(--brand-1);
  background:#F1EDFF;border:1px solid #E2DAFF;border-radius:var(--r-pill);padding:3px 10px;
}
.scene-body h3{font-size:17px;margin-top:12px;}
.scene-body p{font-size:14px;color:var(--text-2);margin-top:8px;line-height:1.85;}

/* ============ 进度参考条 ============ */
.progress-panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:30px;box-shadow:var(--sh-1);
}
.progress-row{display:grid;grid-template-columns:180px 1fr 64px;gap:18px;align-items:center;padding:16px 0;border-bottom:1px dashed var(--line);}
.progress-row:last-child{border-bottom:none;}
.progress-row .p-label{font-size:15px;font-weight:600;}
.progress-track{height:10px;border-radius:999px;background:#EFEBFF;overflow:hidden;}
.progress-fill{height:100%;border-radius:999px;background:var(--brand-grad);}
.progress-row .p-val{font-size:15px;font-weight:700;color:var(--brand-1);text-align:right;font-variant-numeric:tabular-nums;}
.progress-note{margin-top:18px;font-size:13px;color:var(--text-3);}

/* ============ FAQ ============ */
.faq-accordion{border:none;background:transparent;margin:0;}
.faq-accordion .accordion-item{
  border:1px solid var(--line);border-radius:var(--r-md);background:#fff;
  margin-bottom:12px;overflow:hidden;box-shadow:var(--sh-1);transition:border-color .2s ease;
}
.faq-accordion .accordion-item:hover{border-color:#D4CBF7;}
.faq-accordion .accordion-title{
  position:relative;display:block;padding:20px 60px 20px 22px;border:none;
  font-size:18px;font-weight:700;color:var(--text);background:transparent;
}
.faq-accordion .accordion-title::after{
  content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);
  font-size:22px;font-weight:600;color:var(--brand-1);line-height:1;transition:color .2s ease;
}
.faq-accordion .accordion-item.is-active .accordion-title::after{content:"–";color:var(--brand-2);}
.faq-accordion .accordion-content{padding:0 22px 22px;border:none;background:transparent;}
.faq-accordion .accordion-content p{
  background:#F4F1FF;border-radius:var(--r-md);padding:16px 18px;
  color:var(--text-2);font-size:15px;line-height:1.9;
}

/* ============ CTA 区 ============ */
.cta-section{background:var(--dark);color:#fff;position:relative;overflow:hidden;padding:64px 0;}
.cta-section::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--brand-grad);
}
.cta-section::after{
  content:"";position:absolute;width:520px;height:520px;right:-160px;top:-220px;border-radius:50%;
  background:radial-gradient(circle,rgba(109,59,255,.4),transparent 68%);pointer-events:none;
}
.cta-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;}
.cta-grid h2{color:#fff;font-size:30px;}
.cta-grid > div > p{margin-top:14px;color:rgba(255,255,255,.72);font-size:16px;line-height:1.9;}
.join-form{margin-top:0;display:flex;flex-wrap:wrap;gap:12px;}
.join-form input{
  flex:1 1 220px;min-width:0;height:48px;border-radius:var(--r-md);
  border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.08);
  color:#fff;padding:0 16px;transition:border-color .2s ease,box-shadow .2s ease;
}
.join-form input::placeholder{color:rgba(255,255,255,.45);}
.join-form input:focus{border-color:var(--brand-2);background:rgba(255,255,255,.12);}
.join-form input.is-error{border-color:#FF7A7F;box-shadow:0 0 0 3px rgba(255,122,127,.18);}
.form-msg{width:100%;font-size:13px;margin-top:2px;color:rgba(255,255,255,.6);}
.form-msg.is-error{color:#FFB4B7;}
.form-msg.is-ok{color:var(--brand-2);}
.share-row{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
  margin-top:44px;padding-top:26px;border-top:1px solid rgba(255,255,255,.12);
  position:relative;z-index:2;
}
.share-row .share-copy{font-size:14px;color:rgba(255,255,255,.66);}
.share-btns{display:flex;align-items:center;gap:12px;}
.btn-fav{background:var(--brand-grad);color:#fff;height:44px;padding:0 22px;font-size:14px;}
.btn-fav:hover{background:var(--brand-grad-rev);transform:translateY(-2px);}
.btn-fav.is-faved{background:#fff;color:var(--brand-1);}
.share-btn{
  width:44px;height:44px;border-radius:50%;border:1px solid rgba(255,255,255,.24);
  background:rgba(255,255,255,.06);color:#fff;display:grid;place-items:center;
  transition:background .2s ease,transform .2s ease,border-color .2s ease;
}
.share-btn:hover{background:rgba(255,255,255,.18);transform:translateY(-2px);border-color:rgba(255,255,255,.5);}
.reco-row{position:relative;z-index:2;display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:28px;}
.reco-item{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:16px 20px;border-radius:var(--r-md);
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
  transition:background .2s ease,transform .2s ease,border-color .2s ease;
}
.reco-item:hover{background:rgba(109,59,255,.28);transform:translateY(-3px);border-color:rgba(109,59,255,.6);}
.reco-item span{font-size:15px;font-weight:600;color:#fff;}
.reco-item i{color:var(--brand-2);transition:transform .2s ease;}
.reco-item:hover i{transform:translateX(4px);}

/* ============ 页脚 ============ */
.site-footer{position:relative;background:var(--dark);color:rgba(255,255,255,.72);padding:56px 0 24px;}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--brand-grad);}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;font-size:18px;font-weight:700;}
.footer-col h3{color:#fff;font-size:16px;margin-bottom:14px;}
.footer-col p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.66);}
.footer-col ul li a{display:inline-block;font-size:14px;line-height:2;color:rgba(255,255,255,.72);}
.footer-col ul li a:hover{color:var(--brand-2);}
.footer-bottom{
  margin-top:36px;padding-top:18px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:13px;color:rgba(255,255,255,.55);
}
.footer-bottom a{color:var(--brand-2);}
.footer-bottom a:hover{text-decoration:underline;}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .hero h1{font-size:36px;}
}
@media (max-width:1023px){
  .nav-links{
    position:fixed;top:var(--nav-h);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:0;
    background:var(--dark-2);padding:8px 20px 22px;
    border-top:1px solid rgba(255,255,255,.08);
    box-shadow:0 24px 40px rgba(0,0,0,.4);
    transform:translateY(-12px);opacity:0;pointer-events:none;
    transition:transform .24s ease,opacity .24s ease;
    max-height:calc(100vh - var(--nav-h));overflow-y:auto;
  }
  .site-header.menu-open .nav-links{transform:translateY(0);opacity:1;pointer-events:auto;}
  .nav-links a{
    height:52px;border-radius:0;padding:0 4px;justify-content:space-between;
    border-bottom:1px solid rgba(255,255,255,.07);font-size:15.5px;
  }
  .nav-links a:hover{background:transparent;color:var(--brand-2);}
  .nav-links a.is-active::after{display:none;}
  .nav-links a.is-active{color:var(--brand-2);}
  .nav-toggle{display:grid;place-items:center;}
  .nav-cta{display:none;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero h1{font-size:32px;max-width:none;}
  .hero-visual{order:2;}
  .float-card{position:static;margin-top:16px;max-width:none;}
  .scene-grid{grid-template-columns:repeat(2,1fr);}
  .cta-grid{grid-template-columns:1fr;gap:28px;}
  .reco-row{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .section{padding:44px 0;}
  .hero{padding:calc(var(--nav-h) + 40px) 0 52px;}
  .hero h1{font-size:27px;}
  .hero-sub{font-size:15.5px;}
  .section-head h2{font-size:22px;}
  .cta-grid h2{font-size:22px;}
  .nav-search span{display:none;}
  .nav-search{padding:0 12px;}
  .route-timeline::before{left:19px;transform:none;}
  .tl-item,.tl-item:nth-child(even){width:100%;margin-left:0;padding:0 0 0 58px;margin-bottom:22px;}
  .tl-node,.tl-item:nth-child(even) .tl-node{left:-1px;right:auto;top:22px;width:40px;height:40px;}
  .tl-card{padding:20px;}
  .compare-grid{grid-template-columns:1fr;}
  .scene-grid{grid-template-columns:1fr;}
  .progress-row{grid-template-columns:1fr;gap:8px;}
  .progress-row .p-val{text-align:left;}
  .faq-accordion .accordion-title{font-size:16px;padding:16px 50px 16px 16px;}
  .faq-accordion .accordion-content{padding:0 16px 16px;}
  .share-row{flex-direction:column;align-items:stretch;}
  .share-btns{justify-content:space-between;}
  .btn-fav{flex:1 1 auto;}
  .join-form{flex-direction:column;}
  .join-form .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .badge-row .stat-badge{flex:1 1 auto;justify-content:center;}
}
@media (max-width:520px){
  .hero h1{font-size:24px;}
  .stage-chip{flex:0 0 176px;}
  .section{padding:38px 0;}
  .compare-card,.progress-panel{padding:20px;}
  .breadcrumb{font-size:12px;}
  .breadcrumb .current{max-width:180px;}
}