/* roulang page: index */
:root{
  --brand-1:#5b3df5;
  --brand-2:#8b5cf6;
  --brand-3:#ff4d8d;
  --brand-soft:#efeaff;
  --ink:#141127;
  --ink-2:#3c3663;
  --muted:#6f6a8a;
  --bg:#f6f5fb;
  --surface:#ffffff;
  --surface-2:#f1eefb;
  --border:#e6e2f3;
  --ok:#16b981;
  --r-sm:12px;
  --r:18px;
  --r-lg:26px;
  --sh-sm:0 2px 10px rgba(30,20,80,.06);
  --sh:0 14px 34px rgba(30,20,80,.09);
  --sh-lg:0 26px 64px rgba(30,20,80,.15);
  --grad:linear-gradient(135deg,#5b3df5 0%,#8b5cf6 45%,#ff4d8d 100%);
  --grad-soft:linear-gradient(135deg,#efeaff 0%,#ffe9f3 100%);
  --sidebar-w:272px;
  --ease:cubic-bezier(.4,0,.2,1);
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;scroll-padding-top:90px;}
body{
  margin:0;
  padding-left:var(--sidebar-w);
  padding-bottom:92px;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.78;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .22s var(--ease);}
a:hover{color:var(--brand-1);}
button{font:inherit;cursor:pointer;}
h1,h2,h3,h4{margin:0;line-height:1.32;font-weight:800;letter-spacing:-.01em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
input,select,textarea{font:inherit;color:inherit;}
:focus-visible{outline:3px solid rgba(91,61,245,.45);outline-offset:3px;border-radius:8px;}

.wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 30px;}

/* ---------- 侧边导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;bottom:0;width:var(--sidebar-w);
  display:flex;flex-direction:column;gap:22px;
  padding:26px 20px 24px;
  background:var(--surface);
  border-right:1px solid var(--border);
  z-index:1030;overflow-y:auto;
}
.brand-link{display:flex;align-items:center;gap:12px;}
.brand-mark{
  width:44px;height:44px;flex:0 0 auto;border-radius:15px;
  background:var(--grad);color:#fff;display:grid;place-items:center;
  font-size:20px;font-weight:800;box-shadow:0 10px 24px rgba(91,61,245,.34);
}
.brand-text strong{display:block;font-size:17px;font-weight:800;}
.brand-text em{display:block;font-style:normal;font-size:12px;color:var(--muted);letter-spacing:.04em;}

.site-nav{display:flex;flex-direction:column;gap:6px;}
.nav-label{font-size:11px;font-weight:800;color:#aba5c8;letter-spacing:.2em;padding:2px 14px 8px;}
.nav-item{
  display:flex;align-items:center;gap:10px;
  padding:12px 15px;border-radius:15px;
  font-size:15px;font-weight:600;color:var(--ink-2);
  transition:all .22s var(--ease);
}
.nav-item i{font-size:14px;opacity:.75;}
.nav-item:hover{background:var(--surface-2);color:var(--brand-1);transform:translateX(3px);}
.nav-item.is-active{background:var(--grad);color:#fff;box-shadow:0 12px 26px rgba(91,61,245,.3);}
.nav-item.is-active i{opacity:1;}

.side-foot{margin-top:auto;display:flex;flex-direction:column;gap:12px;}
.side-note{font-size:12px;color:var(--muted);line-height:1.6;}

.nav-toggle{
  display:none;width:44px;height:44px;border-radius:14px;
  border:1px solid var(--border);background:var(--surface-2);
  color:var(--brand-1);font-size:18px;place-items:center;
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:999px;
  font-size:15px;font-weight:700;border:1px solid transparent;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease);
  white-space:nowrap;
}
.btn-grad{background:var(--grad);color:#fff;box-shadow:0 14px 30px rgba(91,61,245,.3);}
.btn-grad:hover{color:#fff;transform:translateY(-2px);box-shadow:0 20px 40px rgba(91,61,245,.4);}
.btn-ghost{background:var(--surface);color:var(--ink);border-color:var(--border);box-shadow:var(--sh-sm);}
.btn-ghost:hover{border-color:var(--brand-1);color:var(--brand-1);transform:translateY(-2px);}
.btn-light{background:#fff;color:var(--brand-1);box-shadow:0 12px 26px rgba(0,0,0,.16);}
.btn-light:hover{color:var(--brand-3);transform:translateY(-2px);}
.btn-sm{padding:10px 20px;font-size:14px;}
.btn-lg{padding:15px 32px;font-size:16px;}
.btn-block{width:100%;}

/* ---------- 首屏 ---------- */
.hero{
  position:relative;overflow:hidden;
  padding:58px 0 66px;
  background:var(--grad-soft);
  border-bottom:1px solid var(--border);
}
.hero::after{
  content:"";position:absolute;width:560px;height:560px;right:-180px;top:-240px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,77,141,.26),transparent 66%);pointer-events:none;
}
.hero::before{
  content:"";position:absolute;width:420px;height:420px;left:-160px;bottom:-240px;border-radius:50%;
  background:radial-gradient(circle,rgba(91,61,245,.18),transparent 68%);pointer-events:none;
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.35fr 1fr;gap:46px;align-items:center;}
.badge-pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:999px;background:#fff;
  border:1px solid var(--border);font-size:13px;font-weight:700;color:var(--brand-1);
  box-shadow:var(--sh-sm);
}
.hero h1{
  font-size:clamp(28px,3.3vw,43px);
  margin:20px 0 16px;letter-spacing:-.02em;
  color:#181233;
}
.hero-lead{font-size:18px;font-weight:700;color:var(--ink-2);margin-bottom:14px;line-height:1.7;}
.hero-text{font-size:15.5px;color:var(--muted);line-height:1.92;max-width:640px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}

.hero-panel{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);
  padding:26px 26px 24px;box-shadow:var(--sh);
}
.panel-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;gap:12px;}
.panel-head h2{font-size:17px;}
.live-dot{display:inline-flex;align-items:center;gap:7px;font-size:12px;font-weight:700;color:var(--ok);}
.live-dot::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 4px rgba(22,185,129,.16);}
.timeline{display:flex;flex-direction:column;}
.timeline li{display:flex;gap:14px;padding:12px 0;border-bottom:1px dashed var(--border);font-size:14px;}
.timeline li:last-child{border-bottom:none;}
.timeline .t{flex:0 0 54px;font-weight:800;color:var(--brand-1);font-variant-numeric:tabular-nums;}
.timeline .d{color:var(--muted);}
.badge-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:18px;}
.mini-badge{background:var(--surface-2);border-radius:var(--r-sm);padding:13px 15px;}
.mini-badge strong{display:block;font-size:20px;font-weight:800;color:var(--brand-1);line-height:1.3;}
.mini-badge span{font-size:12px;color:var(--muted);}

/* ---------- 通用板块 ---------- */
.sec{padding:80px 0;}
.sec-alt{background:var(--surface);}
.sec-head{max-width:740px;margin-bottom:42px;}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.kicker{
  display:inline-block;font-size:12.5px;font-weight:800;letter-spacing:.16em;
  color:var(--brand-1);background:var(--brand-soft);
  padding:6px 15px;border-radius:999px;margin-bottom:16px;
}
.sec-head h2{font-size:clamp(23px,2.5vw,33px);margin-bottom:14px;}
.sec-head p{color:var(--muted);font-size:15.5px;line-height:1.9;}

.grid{display:grid;gap:22px;}
.grid-2{grid-template-columns:repeat(2,1fr);}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}

.card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);
  padding:28px 26px;
  box-shadow:var(--sh-sm);
  transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease);
}
.card:hover{transform:translateY(-5px);box-shadow:var(--sh);border-color:#d8cfff;}
.card h3{font-size:17.5px;margin-bottom:10px;}
.card p{color:var(--muted);font-size:14.5px;line-height:1.85;}
.card-icon{
  width:48px;height:48px;border-radius:16px;display:grid;place-items:center;
  background:var(--brand-soft);color:var(--brand-1);font-size:19px;margin-bottom:16px;
  transition:background .28s var(--ease),color .28s var(--ease);
}
.card:hover .card-icon{background:var(--grad);color:#fff;}

/* ---------- 步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:34px;}
.step{
  position:relative;background:var(--surface);border:1px solid var(--border);
  border-radius:var(--r-lg);padding:40px 26px 28px;box-shadow:var(--sh-sm);
  transition:transform .28s var(--ease),box-shadow .28s var(--ease);
}
.step:hover{transform:translateY(-5px);box-shadow:var(--sh);}
.step-num{
  position:absolute;top:-19px;left:26px;width:48px;height:48px;border-radius:16px;
  background:var(--grad);color:#fff;display:grid;place-items:center;
  font-weight:800;font-size:19px;box-shadow:0 12px 24px rgba(91,61,245,.32);
}
.step h3{font-size:18px;margin-bottom:10px;}
.step p{color:var(--muted);font-size:14.5px;}

/* ---------- 频道卡片 ---------- */
.channel-card{
  position:relative;display:block;overflow:hidden;
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);
  padding:32px 28px 30px;box-shadow:var(--sh-sm);
  transition:transform .28s var(--ease),box-shadow .28s var(--ease);
}
.channel-card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:5px;
  background:var(--grad);opacity:0;transition:opacity .28s var(--ease);
}
.channel-card:hover{transform:translateY(-6px);box-shadow:var(--sh);}
.channel-card:hover::before{opacity:1;}
.channel-tag{
  display:inline-block;font-size:12px;font-weight:800;letter-spacing:.08em;
  color:var(--brand-3);background:#ffe9f1;padding:5px 13px;border-radius:999px;margin-bottom:16px;
}
.channel-card h3{font-size:19px;margin-bottom:10px;}
.channel-card p{color:var(--muted);font-size:14.5px;margin-bottom:18px;}
.channel-more{font-size:14px;font-weight:800;color:var(--brand-1);display:inline-flex;align-items:center;gap:7px;}
.channel-card:hover .channel-more i{transform:translateX(4px);}
.channel-more i{transition:transform .25s var(--ease);}

/* ---------- 数据条 ---------- */
.stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:26px;
  background:linear-gradient(120deg,#2b1c6b 0%,#5b3df5 52%,#ff4d8d 100%);
  border-radius:var(--r-lg);padding:46px 38px;color:#fff;box-shadow:var(--sh-lg);
}
.stat strong{display:block;font-size:36px;font-weight:800;line-height:1.2;letter-spacing:-.02em;}
.stat span{font-size:14px;color:rgba(255,255,255,.8);}

/* ---------- 专题列表 ---------- */
.topic-list{display:flex;flex-direction:column;gap:14px;}
.topic{
  display:flex;align-items:center;gap:20px;
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r);
  padding:20px 24px;box-shadow:var(--sh-sm);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.topic:hover{transform:translateX(5px);box-shadow:var(--sh);border-color:#d8cfff;}
.topic-idx{
  flex:0 0 auto;width:42px;height:42px;border-radius:14px;
  background:var(--surface-2);color:var(--brand-1);
  display:grid;place-items:center;font-weight:800;font-size:15px;
}
.topic-body{flex:1 1 auto;min-width:0;}
.topic-body h3{font-size:16.5px;margin-bottom:4px;}
.topic-body p{font-size:13.5px;color:var(--muted);}
.topic-meta{flex:0 0 auto;font-size:13px;font-weight:700;color:var(--brand-1);white-space:nowrap;}

/* ---------- 口碑 ---------- */
.score-box{
  display:flex;align-items:center;gap:24px;flex-wrap:wrap;
  background:var(--grad-soft);border:1px solid var(--border);
  border-radius:var(--r-lg);padding:28px 32px;margin-bottom:26px;
}
.score-num{font-size:48px;font-weight:800;color:var(--brand-1);line-height:1;}
.score-meta strong{display:block;font-size:15px;margin-bottom:4px;}
.score-meta span{font-size:13.5px;color:var(--muted);display:block;}
.stars{color:#ffb020;font-size:14px;letter-spacing:2px;}
.quote{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);
  padding:26px 26px 24px;box-shadow:var(--sh-sm);
  transition:transform .28s var(--ease),box-shadow .28s var(--ease);
}
.quote:hover{transform:translateY(-4px);box-shadow:var(--sh);}
.quote p{font-size:14.5px;color:var(--ink-2);line-height:1.88;margin-bottom:16px;}
.quote-foot{display:flex;align-items:center;gap:12px;}
.avatar{
  width:40px;height:40px;border-radius:14px;background:var(--grad);color:#fff;
  display:grid;place-items:center;font-weight:800;font-size:15px;flex:0 0 auto;
}
.quote-foot strong{display:block;font-size:14px;}
.quote-foot span{font-size:12.5px;color:var(--muted);}

/* ---------- 资讯 ---------- */
.news-item{
  display:flex;gap:18px;align-items:flex-start;
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r);
  padding:22px 24px;box-shadow:var(--sh-sm);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease);
}
.news-item:hover{transform:translateY(-4px);box-shadow:var(--sh);}
.news-date{
  flex:0 0 auto;text-align:center;background:var(--surface-2);
  border-radius:14px;padding:10px 14px;
}
.news-date strong{display:block;font-size:18px;color:var(--brand-1);line-height:1.2;}
.news-date span{font-size:11.5px;color:var(--muted);}
.news-body h3{font-size:16.5px;margin-bottom:6px;}
.news-body p{font-size:14px;color:var(--muted);}

/* ---------- 版本对比 ---------- */
.plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start;}
.plan{
  position:relative;background:var(--surface);border:1px solid var(--border);
  border-radius:var(--r-lg);padding:34px 28px 30px;box-shadow:var(--sh-sm);
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.plan:hover{transform:translateY(-5px);box-shadow:var(--sh);}
.plan.is-feature{border:2px solid var(--brand-1);box-shadow:var(--sh-lg);transform:translateY(-8px);}
.plan.is-feature:hover{transform:translateY(-12px);}
.plan-tag{
  position:absolute;top:-14px;left:28px;background:var(--grad);color:#fff;
  font-size:12px;font-weight:800;padding:6px 15px;border-radius:999px;
  box-shadow:0 10px 22px rgba(91,61,245,.32);
}
.plan h3{font-size:19px;margin-bottom:8px;}
.plan-price{font-size:15px;color:var(--muted);margin-bottom:20px;}
.plan-price b{font-size:30px;color:var(--ink);font-weight:800;}
.plan ul{display:flex;flex-direction:column;gap:11px;margin-bottom:26px;}
.plan li{display:flex;gap:10px;font-size:14.5px;color:var(--ink-2);line-height:1.7;}
.plan li i{color:var(--ok);margin-top:6px;flex:0 0 auto;font-size:12px;}
.plan li.is-off{color:#a9a3c4;}
.plan li.is-off i{color:#c8c2dd;}

/* ---------- 保障条 ---------- */
.guard{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--r-lg);padding:34px 30px;box-shadow:var(--sh-sm);
}
.guard-item{display:flex;gap:14px;align-items:flex-start;}
.guard-item i{font-size:20px;color:var(--brand-1);margin-top:4px;}
.guard-item strong{display:block;font-size:15px;margin-bottom:4px;}
.guard-item span{font-size:13.5px;color:var(--muted);}

/* ---------- FAQ ---------- */
.accordion-item{
  border:1px solid var(--border);border-radius:var(--r) !important;
  margin-bottom:12px;overflow:hidden;background:var(--surface);
  box-shadow:var(--sh-sm);
}
.accordion-button{
  font-weight:700;font-size:16px;color:var(--ink);
  background:var(--surface);padding:20px 24px;
  border-radius:var(--r) !important;
}
.accordion-button:not(.collapsed){background:var(--brand-soft);color:var(--brand-1);box-shadow:none;}
.accordion-button:focus{box-shadow:none;border-color:transparent;}
.accordion-button::after{
  background-image:none;content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;
  font-size:13px;width:auto;height:auto;transition:transform .25s var(--ease);
}
.accordion-button:not(.collapsed)::after{transform:rotate(180deg);}
.accordion-body{color:var(--muted);font-size:14.5px;line-height:1.9;padding:4px 24px 24px;}

/* ---------- 订阅 ---------- */
.subscribe{
  display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;
  background:var(--grad);border-radius:var(--r-lg);padding:52px 44px;color:#fff;
  box-shadow:var(--sh-lg);position:relative;overflow:hidden;
}
.subscribe::after{
  content:"";position:absolute;width:420px;height:420px;right:-160px;bottom:-220px;
  border-radius:50%;background:rgba(255,255,255,.12);pointer-events:none;
}
.sub-copy{position:relative;z-index:2;}
.sub-copy h2{font-size:clamp(22px,2.3vw,30px);margin-bottom:14px;}
.sub-copy p{font-size:15px;color:rgba(255,255,255,.86);line-height:1.9;}
.sub-form{
  position:relative;z-index:2;
  display:flex;gap:10px;background:rgba(255,255,255,.16);
  border:1px solid rgba(255,255,255,.3);border-radius:999px;padding:8px;
}
.sub-form input{
  flex:1 1 auto;min-width:0;border:none;background:transparent;color:#fff;
  padding:12px 20px;font-size:15px;outline:none;
}
.sub-form input::placeholder{color:rgba(255,255,255,.72);}
.sub-hint{position:relative;z-index:2;font-size:13px;color:rgba(255,255,255,.78);margin-top:16px;}

/* ---------- 底部固定条 ---------- */
.sticky-bar{
  position:fixed;left:var(--sidebar-w);right:0;bottom:0;z-index:1020;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:13px 30px;
  background:rgba(255,255,255,.95);
  backdrop-filter:blur(14px);
  border-top:1px solid var(--border);
  box-shadow:0 -10px 34px rgba(30,20,80,.09);
}
.sticky-bar p{font-size:14.5px;font-weight:700;color:var(--ink-2);}
.sticky-bar p span{font-weight:500;color:var(--muted);}

/* ---------- 页脚 ---------- */
.site-footer{background:#141127;color:#b6b0d0;padding:58px 0 34px;}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:40px;padding-bottom:32px;border-bottom:1px solid rgba(255,255,255,.1);}
.foot-brand .brand-text strong{color:#fff;}
.foot-brand .brand-text em{color:#8e88ad;}
.foot-desc{font-size:14px;color:#8e88ad;margin-top:16px;line-height:1.85;max-width:400px;}
.foot-col h3{font-size:14px;color:#fff;margin-bottom:16px;letter-spacing:.06em;}
.foot-col li{margin-bottom:11px;}
.foot-col a{font-size:14px;color:#b6b0d0;}
.foot-col a:hover{color:#fff;}
.foot-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding-top:24px;font-size:13px;color:#7d7799;
}

/* ---------- 响应式 ---------- */
@media (max-width:1240px){
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .stats{grid-template-columns:repeat(2,1fr);gap:30px;}
  .guard{grid-template-columns:repeat(2,1fr);}
}

@media (max-width:992px){
  body{padding-left:0;padding-top:68px;}
  .site-header{
    top:0;left:0;right:0;bottom:auto;width:auto;height:68px;
    flex-direction:row;align-items:center;justify-content:space-between;
    padding:0 18px;border-right:none;border-bottom:1px solid var(--border);
    overflow:visible;
  }
  .nav-toggle{display:grid;}
  .site-nav{
    position:absolute;top:68px;left:0;right:0;
    display:none;flex-direction:column;gap:6px;
    background:#fff;padding:14px 18px 20px;
    border-bottom:1px solid var(--border);box-shadow:var(--sh);
  }
  body.nav-open .site-nav{display:flex;}
  .nav-label{padding-bottom:4px;}
  .side-foot{display:none;}

  .hero{padding:44px 0 52px;}
  .hero-inner{grid-template-columns:1fr;gap:34px;}
  .hero-text{max-width:100%;}

  .grid-3,.grid-4,.steps,.plan-grid{grid-template-columns:repeat(2,1fr);}
  .subscribe{grid-template-columns:1fr;padding:42px 32px;gap:30px;}

  .sticky-bar{left:0;padding:12px 18px;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .foot-brand{grid-column:1 / -1;}
}

@media (max-width:640px){
  .wrap{padding:0 18px;}
  .sec{padding:58px 0;}
  .sec-head{margin-bottom:32px;}

  .grid-2,.grid-3,.grid-4,.steps,.plan-grid{grid-template-columns:1fr;}
  .stats{grid-template-columns:1fr 1fr;padding:34px 24px;gap:24px;}
  .stat strong{font-size:28px;}
  .guard{grid-template-columns:1fr;padding:26px 22px;}

  .hero h1{font-size:26px;}
  .hero-lead{font-size:16px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}

  .plan.is-feature{transform:none;}
  .plan.is-feature:hover{transform:translateY(-5px);}

  .subscribe{padding:34px 22px;}
  .sub-form{flex-direction:column;border-radius:var(--r);}
  .sub-form .btn{width:100%;}

  .sticky-bar{padding:10px 16px;gap:12px;}
  .sticky-bar p{font-size:13px;}
  .sticky-bar p span{display:none;}
  .sticky-bar .btn{padding:10px 18px;font-size:13.5px;}

  .foot-grid{grid-template-columns:1fr;gap:26px;}
  .foot-bottom{flex-direction:column;align-items:flex-start;gap:8px;}

  .topic{flex-wrap:wrap;gap:12px;}
  .topic-meta{width:100%;}
}

/* roulang page: category1 */
:root{
 --brand-1:#5b3df5;
 --brand-2:#8b5cf6;
 --brand-3:#ff4d8d;
 --brand-soft:#efeaff;
 --ink:#141127;
 --ink-2:#3c3663;
 --muted:#6f6a8a;
 --bg:#f6f5fb;
 --surface:#ffffff;
 --surface-2:#f1eefb;
 --border:#e6e2f3;
 --ok:#16b981;
 --r-sm:12px;
 --r:18px;
 --r-lg:26px;
 --sh-sm:0 2px 10px rgba(30,20,80,.06);
 --sh:0 14px 34px rgba(30,20,80,.09);
 --sh-lg:0 26px 64px rgba(30,20,80,.15);
 --grad:linear-gradient(135deg,#5b3df5 0%,#8b5cf6 45%,#ff4d8d 100%);
 --grad-soft:linear-gradient(135deg,#efeaff 0%,#ffe9f3 100%);
 --sidebar-w:272px;
 --ease:cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;scroll-padding-top:26px;}
body{
 margin:0;
 padding-left:var(--sidebar-w);
 padding-bottom:100px;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
 font-size:16px;line-height:1.78;color:var(--ink);background:var(--bg);
 -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .22s var(--ease);}
a:hover{color:var(--brand-1);}
button{font:inherit;cursor:pointer;}
input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.32;font-weight:800;color:#181233;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand-2);outline-offset:3px;border-radius:8px;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}

/* ---------- 侧边导航 ---------- */
.site-header{
 position:fixed;top:0;left:0;bottom:0;width:var(--sidebar-w);
 display:flex;flex-direction:column;gap:22px;
 padding:26px 20px 24px;
 background:var(--surface);
 border-right:1px solid var(--border);
 z-index:1030;overflow-y:auto;
}
.brand-link{display:flex;align-items:center;gap:12px;}
.brand-mark{
 width:44px;height:44px;flex:0 0 auto;border-radius:15px;
 background:var(--grad);color:#fff;display:grid;place-items:center;
 font-size:20px;font-weight:800;box-shadow:0 10px 24px rgba(91,61,245,.34);
}
.brand-text strong{display:block;font-size:17px;font-weight:800;}
.brand-text em{display:block;font-style:normal;font-size:12px;color:var(--muted);letter-spacing:.04em;}
.site-nav{display:flex;flex-direction:column;gap:6px;}
.nav-label{font-size:11px;font-weight:800;color:#aba5c8;letter-spacing:.2em;padding:2px 14px 8px;}
.nav-item{
 display:flex;align-items:center;gap:10px;
 padding:12px 15px;border-radius:15px;
 font-size:15px;font-weight:600;color:var(--ink-2);
 transition:all .22s var(--ease);
}
.nav-item i{font-size:14px;opacity:.75;}
.nav-item:hover{background:var(--surface-2);color:var(--brand-1);transform:translateX(3px);}
.nav-item.is-active{background:var(--grad);color:#fff;box-shadow:0 12px 26px rgba(91,61,245,.3);}
.nav-item.is-active i{opacity:1;}
.nav-toggle{
 display:none;width:44px;height:44px;border-radius:14px;
 border:1px solid var(--border);background:var(--surface-2);
 color:var(--brand-1);font-size:18px;place-items:center;
}
.side-foot{margin-top:auto;display:flex;flex-direction:column;gap:12px;}
.side-note{font-size:12.5px;color:var(--muted);line-height:1.7;}

/* ---------- 容器 ---------- */
.wrap{max-width:1140px;margin:0 auto;padding:0 30px;}

/* ---------- 按钮 ---------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:13px 26px;border-radius:999px;
 font-size:15px;font-weight:700;border:1px solid transparent;
 transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease);
 white-space:nowrap;
}
.btn-grad{background:var(--grad);color:#fff;box-shadow:0 14px 30px rgba(91,61,245,.3);}
.btn-grad:hover{color:#fff;transform:translateY(-2px);box-shadow:0 20px 40px rgba(91,61,245,.4);}
.btn-ghost{background:var(--surface);color:var(--ink);border-color:var(--border);box-shadow:var(--sh-sm);}
.btn-ghost:hover{border-color:var(--brand-1);color:var(--brand-1);transform:translateY(-2px);}
.btn-light{background:#fff;color:var(--brand-1);box-shadow:0 12px 26px rgba(0,0,0,.16);}
.btn-light:hover{color:var(--brand-3);transform:translateY(-2px);}
.btn-sm{padding:10px 20px;font-size:14px;}
.btn-lg{padding:15px 32px;font-size:16px;}
.btn-block{width:100%;}

/* ---------- 通用标签 ---------- */
.badge-pill{
 display:inline-flex;align-items:center;gap:8px;
 padding:7px 16px;border-radius:999px;background:#fff;
 border:1px solid var(--border);font-size:13px;font-weight:700;color:var(--brand-1);
 box-shadow:var(--sh-sm);
}
.badge-pill i{font-size:12px;}
.tag{
 display:inline-flex;align-items:center;gap:6px;
 padding:5px 12px;border-radius:999px;font-size:12.5px;font-weight:700;
 background:var(--brand-soft);color:var(--brand-1);
}
.tag-soft{background:var(--surface-2);color:var(--ink-2);}
.tag-ok{background:#e6f8f1;color:#0f8f65;}

/* ---------- 首屏 Bento ---------- */
.hero-cat{
 position:relative;overflow:hidden;
 padding:52px 0 60px;
 background:var(--grad-soft);
 border-bottom:1px solid var(--border);
}
.hero-cat::after{
 content:"";position:absolute;width:520px;height:520px;right:-190px;top:-250px;border-radius:50%;
 background:radial-gradient(circle,rgba(255,77,141,.26),transparent 66%);pointer-events:none;
}
.hero-cat::before{
 content:"";position:absolute;width:400px;height:400px;left:-170px;bottom:-220px;border-radius:50%;
 background:radial-gradient(circle,rgba(91,61,245,.18),transparent 68%);pointer-events:none;
}
.bento{position:relative;z-index:2;display:grid;grid-template-columns:1.65fr 1fr;gap:18px;}
.bento-main{
 grid-row:span 2;
 background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);
 padding:38px 36px 34px;box-shadow:var(--sh-sm);
}
.bento-main h1{font-size:clamp(27px,3vw,40px);margin:18px 0 14px;letter-spacing:-.02em;}
.hero-lead{font-size:17.5px;font-weight:700;color:var(--ink-2);line-height:1.72;margin-bottom:12px;}
.hero-text{font-size:15px;color:var(--muted);line-height:1.94;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.bento-mini{
 background:#fff;border:1px solid var(--border);border-radius:var(--r);
 padding:22px 24px;box-shadow:var(--sh-sm);
 display:flex;flex-direction:column;gap:4px;
 transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease);
}
.bento-mini:hover{transform:translateY(-4px);box-shadow:var(--sh);border-color:#d8cfff;}
.mini-k{font-size:12.5px;font-weight:700;color:var(--muted);letter-spacing:.06em;}
.mini-v{font-size:30px;font-weight:800;color:var(--brand-1);line-height:1.2;letter-spacing:-.02em;}
.mini-n{font-size:12.5px;color:var(--muted);}
.bento-bar{
 grid-column:1/-1;
 display:flex;align-items:center;justify-content:space-between;gap:22px;
 background:var(--grad);color:#fff;border-radius:var(--r);padding:20px 26px;
 box-shadow:0 18px 42px rgba(91,61,245,.28);
}
.bento-bar strong{display:block;font-size:16.5px;font-weight:800;}
.bento-bar span{font-size:13.5px;opacity:.9;}

/* ---------- 板块通用 ---------- */
.sec{padding:58px 0;}
.sec-tight{padding:36px 0;}
.sec-alt{background:var(--surface-2);border-top:1px solid var(--border);border-bottom:1px solid var(--border);}
.sec-head{max-width:760px;margin-bottom:34px;display:flex;flex-direction:column;gap:12px;}
.sec-eyebrow{
 display:inline-flex;align-items:center;gap:8px;
 font-size:12.5px;font-weight:800;letter-spacing:.14em;color:var(--brand-1);
 text-transform:uppercase;
}
.sec-head h2{font-size:clamp(22px,2.4vw,31px);letter-spacing:-.01em;}
.sec-head p{color:var(--muted);font-size:15.5px;line-height:1.9;}
.sec-split{display:grid;grid-template-columns:.85fr 1.15fr;gap:44px;align-items:start;}

/* ---------- 数据条 ---------- */
.stat-strip{
 display:grid;grid-template-columns:repeat(4,1fr);gap:16px;
 background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);
 padding:26px 28px;box-shadow:var(--sh-sm);
}
.stat{display:flex;flex-direction:column;gap:4px;padding-right:18px;border-right:1px dashed var(--border);}
.stat:last-child{border-right:0;padding-right:0;}
.stat strong{font-size:27px;font-weight:800;color:var(--brand-1);letter-spacing:-.02em;line-height:1.2;}
.stat span{font-size:13px;color:var(--muted);}

/* ---------- 卡片网格 ---------- */
.grid{display:grid;gap:20px;}
.grid-2{grid-template-columns:repeat(2,1fr);}
.grid-3{grid-template-columns:repeat(3,1fr);}
.card{
 background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);
 padding:28px 26px;box-shadow:var(--sh-sm);
 transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease);
}
.card:hover{transform:translateY(-5px);box-shadow:var(--sh);border-color:#d8cfff;}
.card h3{font-size:17.5px;margin-bottom:10px;}
.card p{color:var(--muted);font-size:14.5px;line-height:1.86;}
.card-icon{
 width:48px;height:48px;border-radius:16px;display:grid;place-items:center;
 background:var(--brand-soft);color:var(--brand-1);font-size:19px;margin-bottom:16px;
 transition:background .28s var(--ease),color .28s var(--ease);
}
.card:hover .card-icon{background:var(--grad);color:#fff;}
.card-meta{display:flex;gap:8px;flex-wrap:wrap;margin-top:18px;}

/* ---------- 场景演示 ---------- */
.scene-list{display:flex;flex-direction:column;gap:16px;}
.scene-item{
 display:grid;grid-template-columns:64px 1fr;gap:20px;align-items:start;
 background:#fff;border:1px solid var(--border);border-radius:var(--r);
 padding:22px 24px;box-shadow:var(--sh-sm);
 transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease);
}
.scene-item:hover{transform:translateX(5px);box-shadow:var(--sh);border-color:#d8cfff;}
.scene-no{
 width:52px;height:52px;border-radius:16px;display:grid;place-items:center;
 font-size:17px;font-weight:800;color:#fff;background:var(--grad);
 box-shadow:0 10px 22px rgba(91,61,245,.26);
}
.scene-item h3{font-size:17px;margin-bottom:8px;}
.scene-item p{color:var(--muted);font-size:14.5px;line-height:1.86;}

/* ---------- 更新记录列表 ---------- */
.record-list{display:flex;flex-direction:column;gap:12px;}
.record-item{
 display:grid;grid-template-columns:132px 1fr auto;gap:20px;align-items:center;
 background:#fff;border:1px solid var(--border);border-radius:var(--r);
 padding:18px 24px;box-shadow:var(--sh-sm);
 transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease);
}
.record-item:hover{transform:translateX(5px);box-shadow:var(--sh);border-color:#d8cfff;}
.record-day strong{display:block;font-size:15px;font-weight:800;color:var(--ink);}
.record-day span{font-size:12.5px;color:var(--muted);}
.record-body p{font-size:14.5px;color:var(--ink-2);font-weight:600;margin-bottom:4px;}
.record-body span{font-size:13px;color:var(--muted);}
.record-state{
 font-size:12.5px;font-weight:700;padding:6px 14px;border-radius:999px;
 background:#e6f8f1;color:#0f8f65;white-space:nowrap;
}
.record-state.warn{background:#fff1e6;color:#c26a12;}
.record-more{margin-top:26px;display:flex;justify-content:center;}

/* ---------- 用户评价 ---------- */
.voice-card{
 background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);
 padding:28px 26px;box-shadow:var(--sh-sm);display:flex;flex-direction:column;gap:16px;
 transition:transform .28s var(--ease),box-shadow .28s var(--ease);
}
.voice-card:hover{transform:translateY(-5px);box-shadow:var(--sh);}
.voice-stars{color:#ffb020;font-size:13px;letter-spacing:.16em;}
.voice-card p{font-size:14.5px;color:var(--ink-2);line-height:1.9;}
.voice-who{display:flex;align-items:center;gap:12px;margin-top:auto;}
.voice-avatar{
 width:42px;height:42px;border-radius:14px;display:grid;place-items:center;
 background:var(--grad-soft);color:var(--brand-1);font-weight:800;font-size:15px;
}
.voice-who strong{display:block;font-size:14.5px;font-weight:700;}
.voice-who span{font-size:12.5px;color:var(--muted);}

/* ---------- 对比差异 ---------- */
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.compare-card{
 background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);
 padding:30px 28px;box-shadow:var(--sh-sm);
 transition:transform .28s var(--ease),box-shadow .28s var(--ease);
}
.compare-card:hover{transform:translateY(-5px);box-shadow:var(--sh);}
.compare-card.is-primary{border-color:#d9cfff;box-shadow:var(--sh);position:relative;}
.compare-card.is-primary::after{
 content:"当前采用";
 position:absolute;top:-12px;right:24px;
 background:var(--grad);color:#fff;font-size:12px;font-weight:700;
 padding:5px 14px;border-radius:999px;box-shadow:0 10px 22px rgba(91,61,245,.3);
}
.compare-card h3{font-size:19px;margin-bottom:6px;}
.compare-card .compare-sub{font-size:13.5px;color:var(--muted);margin-bottom:20px;}
.compare-list{display:flex;flex-direction:column;}
.compare-list li{
 display:flex;gap:10px;align-items:flex-start;
 padding:11px 0;border-bottom:1px dashed var(--border);
 font-size:14.5px;color:var(--ink-2);
}
.compare-list li:last-child{border-bottom:0;}
.compare-list li i{color:var(--brand-1);font-size:13px;margin-top:6px;}
.compare-list li.no i{color:#c9c4dd;}

/* ---------- 调整记录 ---------- */
.news-list{display:flex;flex-direction:column;gap:14px;}
.news-item{
 display:grid;grid-template-columns:118px 1fr;gap:22px;align-items:start;
 padding:20px 0;border-bottom:1px solid var(--border);
}
.news-item:last-child{border-bottom:0;}
.news-date{font-size:13px;font-weight:700;color:var(--brand-1);padding-top:3px;}
.news-item h4{font-size:16px;margin-bottom:8px;}
.news-item p{font-size:14.5px;color:var(--muted);line-height:1.86;}

/* ---------- FAQ ---------- */
.faq-list .accordion-item{
 border:1px solid var(--border);border-radius:var(--r);
 margin-bottom:12px;background:#fff;overflow:hidden;box-shadow:var(--sh-sm);
}
.faq-list .accordion-button{
 font-weight:700;font-size:15.5px;color:var(--ink);
 background:#fff;padding:18px 22px;box-shadow:none;border-radius:var(--r);
}
.faq-list .accordion-button:not(.collapsed){background:var(--brand-soft);color:var(--brand-1);box-shadow:none;}
.faq-list .accordion-button:focus{box-shadow:none;border-color:transparent;}
.faq-list .accordion-button::after{
 background-image:none;content:"\002B";
 font-family:"Font Awesome 6 Free";font-weight:900;
 display:grid;place-items:center;color:var(--brand-1);font-size:14px;
 width:22px;height:22px;transition:transform .25s var(--ease);
}
.faq-list .accordion-button:not(.collapsed)::after{content:"\2212";transform:none;}
.faq-list .accordion-body{
 font-size:14.5px;color:var(--muted);line-height:1.92;
 padding:0 22px 20px;
}

/* ---------- 保障条 + 订阅 ---------- */
.guard-bar{
 display:grid;grid-template-columns:repeat(3,1fr);gap:18px;
 margin-bottom:26px;
}
.guard-item{
 background:#fff;border:1px solid var(--border);border-radius:var(--r);
 padding:24px 24px;box-shadow:var(--sh-sm);
 display:flex;flex-direction:column;gap:10px;
 transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease);
}
.guard-item:hover{transform:translateY(-5px);box-shadow:var(--sh);border-color:#d8cfff;}
.guard-item i{font-size:20px;color:var(--brand-1);}
.guard-item h3{font-size:16px;}
.guard-item p{font-size:14px;color:var(--muted);line-height:1.84;}
.subscribe-card{
 background:var(--grad);color:#fff;border-radius:var(--r-lg);
 padding:36px 38px;display:grid;grid-template-columns:1.1fr 1fr;gap:30px;align-items:center;
 box-shadow:0 24px 56px rgba(91,61,245,.3);
}
.subscribe-card h3{color:#fff;font-size:23px;margin-bottom:10px;}
.subscribe-card p{font-size:14.5px;opacity:.92;line-height:1.86;}
.sub-form{display:flex;gap:12px;flex-wrap:wrap;}
.sub-form input{
 flex:1 1 220px;min-width:0;
 padding:14px 20px;border-radius:999px;border:1px solid rgba(255,255,255,.4);
 background:rgba(255,255,255,.16);color:#fff;font-size:14.5px;
 transition:border-color .24s var(--ease),background .24s var(--ease);
}
.sub-form input::placeholder{color:rgba(255,255,255,.76);}
.sub-form input:focus{outline:none;border-color:#fff;background:rgba(255,255,255,.26);}
.sub-tip{width:100%;font-size:13px;color:#fff;opacity:.9;min-height:18px;}

/* ---------- 页脚 ---------- */
.site-footer{
 background:#191433;color:#cfc9e8;padding:56px 0 30px;margin-top:10px;
}
.site-footer .brand-text strong{color:#fff;}
.site-footer .brand-text em{color:#a79fd0;}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:40px;}
.foot-desc{font-size:14px;line-height:1.9;color:#a79fd0;margin-top:18px;max-width:420px;}
.foot-col h3{font-size:15px;color:#fff;margin-bottom:16px;font-weight:700;}
.foot-col ul{display:flex;flex-direction:column;gap:11px;}
.foot-col a{font-size:14px;color:#a79fd0;}
.foot-col a:hover{color:#fff;}
.foot-bottom{
 display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
 margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
 font-size:13px;color:#8d85b8;
}

/* ---------- 底部固定转化条 ---------- */
.dock{
 position:fixed;left:var(--sidebar-w);right:0;bottom:0;z-index:1040;
 display:flex;align-items:center;justify-content:space-between;gap:18px;
 padding:14px 30px;
 background:rgba(255,255,255,.94);
 backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
 border-top:1px solid var(--border);
 box-shadow:0 -10px 30px rgba(30,20,80,.08);
}
.dock-text strong{display:block;font-size:14.5px;font-weight:800;color:var(--ink);}
.dock-text span{font-size:13px;color:var(--muted);}

/* ---------- 响应式 ---------- */
@media (max-width:1180px){
 .wrap{padding:0 24px;}
}
@media (max-width:1024px){
 body{padding-left:0;padding-bottom:92px;}
 .site-header{
  position:sticky;top:0;left:auto;right:auto;bottom:auto;width:auto;height:auto;
  flex-direction:row;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:12px;padding:12px 18px;
  border-right:0;border-bottom:1px solid var(--border);
  overflow:visible;
 }
 .nav-toggle{display:grid;}
 .site-nav,.side-foot{display:none;flex:1 0 100%;}
 .site-header.is-open .site-nav{
  display:flex;flex-direction:column;gap:8px;
  margin-top:12px;padding-top:12px;border-top:1px solid var(--border);
 }
 .site-header.is-open .side-foot{display:flex;margin-top:12px;}
 .nav-item:hover{transform:none;}
 .bento{grid-template-columns:1fr;}
 .bento-main{grid-row:auto;padding:30px 26px;}
 .bento-bar{flex-direction:column;align-items:flex-start;}
 .sec-split{grid-template-columns:1fr;gap:30px;}
 .stat-strip{grid-template-columns:repeat(2,1fr);gap:20px;}
 .stat{border-right:0;padding-right:0;}
 .guard-bar{grid-template-columns:1fr;}
 .subscribe-card{grid-template-columns:1fr;padding:30px 26px;}
 .foot-grid{grid-template-columns:1fr 1fr;gap:32px;}
 .dock{left:0;padding:12px 18px;}
}
@media (max-width:768px){
 .grid-3,.grid-4,.compare-grid{grid-template-columns:1fr;}
 .grid-2{grid-template-columns:1fr;}
 .record-item{grid-template-columns:1fr;gap:10px;align-items:start;}
 .news-item{grid-template-columns:1fr;gap:8px;}
 .scene-item{grid-template-columns:1fr;gap:14px;}
 .sec{padding:44px 0;}
 .hero-cat{padding:36px 0 44px;}
 .stat-strip{grid-template-columns:1fr;}
 .foot-grid{grid-template-columns:1fr;gap:28px;}
 .dock-text span{display:none;}
}
@media (max-width:520px){
 .wrap{padding:0 16px;}
 .hero-actions .btn{width:100%;}
 .bento-main{padding:26px 20px;}
 .card,.voice-card,.compare-card{padding:24px 20px;}
 .record-item,.scene-item{padding:18px 18px;}
 .btn{padding:12px 22px;font-size:14.5px;}
 .subscribe-card{padding:26px 20px;}
 .sub-form input{flex:1 1 100%;}
 .sub-form .btn{width:100%;}
 .site-footer{padding:40px 0 24px;}
 .foot-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
}

/* roulang page: category3 */
:root{
 --brand-1:#5b3df5;
 --brand-2:#8b5cf6;
 --brand-3:#ff4d8d;
 --brand-soft:#efeaff;
 --ink:#141127;
 --ink-2:#3c3663;
 --muted:#6f6a8a;
 --bg:#f6f5fb;
 --surface:#ffffff;
 --surface-2:#f1eefb;
 --border:#e6e2f3;
 --ok:#16b981;
 --r-sm:12px;
 --r:18px;
 --r-lg:26px;
 --sh-sm:0 2px 10px rgba(30,20,80,.06);
 --sh:0 14px 34px rgba(30,20,80,.09);
 --sh-lg:0 26px 64px rgba(30,20,80,.15);
 --grad:linear-gradient(135deg,#5b3df5 0%,#8b5cf6 45%,#ff4d8d 100%);
 --grad-soft:linear-gradient(135deg,#efeaff 0%,#ffe9f3 100%);
 --sidebar-w:272px;
 --ease:cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;scroll-padding-top:96px;}
body{
 margin:0;
 padding-left:var(--sidebar-w);
 padding-bottom:104px;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
 font-size:16px;line-height:1.78;color:var(--ink);background:var(--bg);
 -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .22s var(--ease);}
a:hover{color:var(--brand-1);}
button{font:inherit;cursor:pointer;}
input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(91,61,245,.4);outline-offset:2px;border-radius:8px;}
section[id]{scroll-margin-top:26px;}

/* ---------- 容器 ---------- */
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 28px;}

/* ---------- 侧边导航 ---------- */
.site-header{
 position:fixed;top:0;left:0;bottom:0;width:var(--sidebar-w);
 display:flex;flex-direction:column;gap:22px;
 padding:26px 20px 24px;
 background:var(--surface);border-right:1px solid var(--border);
 z-index:1030;overflow-y:auto;
}
.brand-link{display:flex;align-items:center;gap:12px;}
.brand-mark{
 width:44px;height:44px;flex:0 0 auto;border-radius:15px;
 background:var(--grad);color:#fff;display:grid;place-items:center;
 font-size:20px;font-weight:800;box-shadow:0 10px 24px rgba(91,61,245,.34);
}
.brand-text strong{display:block;font-size:17px;font-weight:800;}
.brand-text em{display:block;font-style:normal;font-size:12px;color:var(--muted);letter-spacing:.04em;}
.site-nav{display:flex;flex-direction:column;gap:6px;}
.nav-label{font-size:11px;font-weight:800;color:#aba5c8;letter-spacing:.2em;padding:2px 14px 8px;}
.nav-item{
 display:flex;align-items:center;gap:10px;
 padding:12px 15px;border-radius:15px;
 font-size:15px;font-weight:600;color:var(--ink-2);
 transition:all .22s var(--ease);
}
.nav-item i{font-size:14px;opacity:.75;}
.nav-item:hover{background:var(--surface-2);color:var(--brand-1);transform:translateX(3px);}
.nav-item.is-active{background:var(--grad);color:#fff;box-shadow:0 12px 26px rgba(91,61,245,.3);}
.nav-item.is-active i{opacity:1;}
.nav-toggle{
 display:none;width:44px;height:44px;border-radius:14px;
 border:1px solid var(--border);background:var(--surface-2);
 color:var(--brand-1);font-size:18px;place-items:center;
}
.side-foot{margin-top:auto;display:flex;flex-direction:column;gap:12px;}
.side-note{font-size:12px;color:var(--muted);line-height:1.7;margin:0;text-align:center;}

/* ---------- 按钮 ---------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:13px 26px;border-radius:999px;
 font-size:15px;font-weight:700;border:1px solid transparent;
 transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease);
 white-space:nowrap;
}
.btn-grad{background:var(--grad);color:#fff;box-shadow:0 14px 30px rgba(91,61,245,.3);}
.btn-grad:hover{color:#fff;transform:translateY(-2px);box-shadow:0 20px 40px rgba(91,61,245,.4);}
.btn-ghost{background:var(--surface);color:var(--ink);border-color:var(--border);box-shadow:var(--sh-sm);}
.btn-ghost:hover{border-color:var(--brand-1);color:var(--brand-1);transform:translateY(-2px);}
.btn-light{background:#fff;color:var(--brand-1);box-shadow:0 12px 26px rgba(0,0,0,.16);}
.btn-light:hover{color:var(--brand-3);transform:translateY(-2px);}
.btn-sm{padding:10px 20px;font-size:14px;}
.btn-lg{padding:15px 32px;font-size:16px;}
.btn-block{width:100%;}
.btn:active{transform:translateY(0) scale(.99);}

/* ---------- 首屏 ---------- */
.hero{
 position:relative;overflow:hidden;
 padding:52px 0 62px;
 background:var(--grad-soft);
 border-bottom:1px solid var(--border);
}
.hero::after{
 content:"";position:absolute;width:560px;height:560px;right:-190px;top:-250px;border-radius:50%;
 background:radial-gradient(circle,rgba(255,77,141,.26),transparent 66%);pointer-events:none;
}
.hero::before{
 content:"";position:absolute;width:420px;height:420px;left:-170px;bottom:-250px;border-radius:50%;
 background:radial-gradient(circle,rgba(91,61,245,.18),transparent 68%);pointer-events:none;
}
.hero .wrap{position:relative;z-index:2;}
.eyebrow{
 display:inline-flex;align-items:center;gap:8px;
 padding:7px 16px;border-radius:999px;background:#fff;
 border:1px solid var(--border);font-size:13px;font-weight:700;color:var(--brand-1);
 box-shadow:var(--sh-sm);
}
.hero h1{
 font-size:clamp(28px,3.2vw,42px);
 margin:20px 0 16px;letter-spacing:-.02em;color:#181233;line-height:1.26;
}
.hero-lead{font-size:17.5px;font-weight:700;color:var(--ink-2);line-height:1.7;max-width:640px;}
.hero-text{margin-top:14px;font-size:15.5px;color:var(--muted);line-height:1.95;max-width:640px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.tag{
 display:inline-flex;align-items:center;gap:7px;
 padding:7px 14px;border-radius:999px;background:rgba(255,255,255,.82);
 border:1px solid var(--border);font-size:13px;font-weight:600;color:var(--ink-2);
}
.tag i{color:var(--brand-1);font-size:12px;}

/* ---------- 报告卡 ---------- */
.report-card{
 background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);
 padding:24px;box-shadow:var(--sh-lg);
}
.report-cover{
 position:relative;overflow:hidden;
 background:var(--grad);color:#fff;border-radius:var(--r);
 padding:22px 22px 20px;box-shadow:0 16px 34px rgba(91,61,245,.28);
}
.report-cover::after{
 content:"";position:absolute;width:180px;height:180px;right:-70px;bottom:-90px;border-radius:50%;
 background:rgba(255,255,255,.16);
}
.cover-label{font-size:12px;font-weight:700;letter-spacing:.14em;opacity:.86;display:block;}
.report-cover strong{display:block;font-size:21px;margin:10px 0 6px;letter-spacing:-.01em;}
.report-cover p{font-size:13.5px;opacity:.9;}
.cover-chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;position:relative;z-index:2;}
.cover-chips span{
 font-size:12px;padding:5px 11px;border-radius:999px;
 background:rgba(255,255,255,.2);border:1px solid rgba(255,255,255,.32);
}
.toc{margin-top:20px;}
.toc-title{font-size:13px;font-weight:800;color:var(--muted);letter-spacing:.14em;margin-bottom:8px;}
.toc-list li{
 display:flex;gap:10px;align-items:flex-start;
 padding:9px 0;border-bottom:1px dashed var(--border);
 font-size:14px;color:var(--ink-2);line-height:1.65;
}
.toc-list li:last-child{border-bottom:0;}
.toc-list i{color:var(--brand-1);font-size:12px;margin-top:6px;flex:0 0 auto;}
.lead-form{margin-top:18px;display:grid;gap:10px;}
.field-label{font-size:13px;font-weight:700;color:var(--ink-2);}
.lead-form input{
 width:100%;padding:13px 16px;border-radius:14px;
 border:1px solid var(--border);background:var(--surface-2);
 transition:border-color .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease);
}
.lead-form input::placeholder{color:#a9a3c4;}
.lead-form input:focus{
 outline:none;background:#fff;border-color:var(--brand-2);
 box-shadow:0 0 0 4px rgba(139,92,246,.15);
}
.form-note{font-size:12.5px;color:var(--muted);line-height:1.7;}
.form-ok{
 display:none;font-size:13px;font-weight:700;color:var(--ok);
 background:rgba(22,185,129,.1);border:1px solid rgba(22,185,129,.25);
 border-radius:var(--r-sm);padding:10px 14px;
}
.form-ok.is-show{display:block;}

/* ---------- 板块 ---------- */
.section{padding:62px 0;}
.section-alt{background:var(--surface);border-top:1px solid var(--border);border-bottom:1px solid var(--border);}
.sec-head{max-width:780px;margin-bottom:38px;}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.sec-kicker{
 display:inline-flex;align-items:center;gap:8px;
 font-size:12.5px;font-weight:800;letter-spacing:.16em;color:var(--brand-1);
}
.sec-kicker i{font-size:12px;}
.sec-title{font-size:clamp(22px,2.4vw,31px);margin:12px 0;letter-spacing:-.01em;line-height:1.34;}
.sec-desc{color:var(--muted);font-size:15.5px;line-height:1.92;}

/* ---------- 网格与卡片 ---------- */
.grid{display:grid;gap:22px;}
.grid-2{grid-template-columns:repeat(2,1fr);}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}
.card{
 background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);
 padding:28px 26px;box-shadow:var(--sh-sm);
 transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease);
}
.card:hover{transform:translateY(-5px);box-shadow:var(--sh);border-color:#d8cfff;}
.card h3{font-size:17.5px;margin-bottom:10px;}
.card p{color:var(--muted);font-size:14.5px;line-height:1.88;}
.card-icon{
 width:48px;height:48px;border-radius:16px;display:grid;place-items:center;
 background:var(--brand-soft);color:var(--brand-1);font-size:19px;margin-bottom:16px;
 transition:background .28s var(--ease),color .28s var(--ease);
}
.card:hover .card-icon{background:var(--grad);color:#fff;}
.card-tag{
 display:inline-flex;align-items:center;gap:6px;
 margin-top:16px;font-size:12.5px;font-weight:700;
 color:var(--brand-1);background:var(--brand-soft);
 padding:6px 12px;border-radius:999px;
}

/* ---------- 数据条 ---------- */
.stat-strip{
 background:var(--grad);color:#fff;border-radius:var(--r-lg);
 padding:34px 30px;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
 box-shadow:var(--sh-lg);position:relative;overflow:hidden;
}
.stat-strip::after{
 content:"";position:absolute;width:320px;height:320px;right:-120px;top:-160px;
 border-radius:50%;background:rgba(255,255,255,.12);
}
.stat-item{position:relative;z-index:2;border-left:1px solid rgba(255,255,255,.24);padding-left:20px;}
.stat-item:first-child{border-left:0;padding-left:0;}
.stat-item strong{display:block;font-size:clamp(22px,2.6vw,30px);font-weight:800;line-height:1.2;}
.stat-item span{font-size:13px;color:rgba(255,255,255,.86);line-height:1.6;display:block;margin-top:6px;}

/* ---------- 时间线 / 场景 ---------- */
.timeline{display:grid;gap:16px;}
.step{
 display:grid;grid-template-columns:60px 1fr;gap:20px;
 background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);
 padding:24px 26px;box-shadow:var(--sh-sm);
 transition:transform .28s var(--ease),box-shadow .28s var(--ease);
}
.step:hover{transform:translateX(4px);box-shadow:var(--sh);}
.step-num{
 width:60px;height:60px;border-radius:18px;
 background:var(--grad-soft);color:var(--brand-1);
 display:grid;place-items:center;font-weight:800;font-size:18px;
 border:1px solid var(--border);
}
.step h3{font-size:17px;margin-bottom:8px;}
.step p{color:var(--muted);font-size:14.5px;line-height:1.88;}
.step-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px;}
.step-meta span{
 font-size:12px;font-weight:600;color:var(--ink-2);
 background:var(--surface-2);border-radius:999px;padding:5px 12px;
}

/* ---------- 用户反馈 ---------- */
.quote-card{
 background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);
 padding:26px;box-shadow:var(--sh-sm);display:flex;flex-direction:column;gap:14px;
 transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease);
}
.quote-card:hover{transform:translateY(-5px);box-shadow:var(--sh);border-color:#d8cfff;}
.quote-mark{font-size:22px;color:var(--brand-3);}
.quote-card p{font-size:14.8px;color:var(--ink-2);line-height:1.9;}
.quote-who{display:flex;align-items:center;gap:10px;margin-top:auto;padding-top:14px;border-top:1px dashed var(--border);}
.quote-avatar{
 width:38px;height:38px;border-radius:12px;background:var(--grad);color:#fff;
 display:grid;place-items:center;font-size:15px;font-weight:800;flex:0 0 auto;
}
.quote-who strong{display:block;font-size:14px;}
.quote-who em{font-style:normal;font-size:12.5px;color:var(--muted);}

/* ---------- 对比 ---------- */
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;}
.compare-col{
 background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);
 padding:28px 26px;box-shadow:var(--sh-sm);
}
.compare-col.is-highlight{background:var(--grad-soft);border-color:rgba(91,61,245,.28);box-shadow:var(--sh);}
.compare-col h3{font-size:18px;margin-bottom:6px;display:flex;align-items:center;gap:10px;}
.compare-col .sub{font-size:13.5px;color:var(--muted);margin-bottom:18px;}
.compare-col ul li{display:flex;gap:10px;align-items:flex-start;padding:9px 0;font-size:14.5px;color:var(--ink-2);line-height:1.75;}
.compare-col ul li i{margin-top:6px;font-size:12px;flex:0 0 auto;}
.icon-cross{color:#c7c1dd;}
.icon-check{color:var(--brand-1);}
.compare-col.is-highlight ul li i{color:var(--brand-3);}

/* ---------- 资讯列表 ---------- */
.news-list{
 background:var(--surface);border:1px solid var(--border);
 border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-sm);
}
.news-item{
 display:grid;grid-template-columns:132px 1fr auto;gap:20px;align-items:start;
 padding:22px 26px;border-bottom:1px solid var(--border);
 transition:background .22s var(--ease);
}
.news-item:last-child{border-bottom:0;}
.news-item:hover{background:var(--surface-2);}
.news-date{font-size:13px;font-weight:800;color:var(--muted);letter-spacing:.02em;padding-top:2px;}
.news-body h3{font-size:16.5px;margin-bottom:6px;}
.news-body p{font-size:14.3px;color:var(--muted);line-height:1.85;}
.badge-soft{
 font-size:12px;font-weight:700;color:var(--brand-1);
 background:var(--brand-soft);border-radius:999px;padding:6px 13px;white-space:nowrap;
}
.badge-soft.is-ok{color:var(--ok);background:rgba(22,185,129,.12);}

/* ---------- 频道矩阵 ---------- */
.channel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.channel-card{
 position:relative;display:block;padding:28px 26px;
 background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);
 box-shadow:var(--sh-sm);
 transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease);
}
.channel-card:hover{transform:translateY(-5px);box-shadow:var(--sh);border-color:#d8cfff;color:inherit;}
.channel-card h3{font-size:17px;margin:14px 0 8px;}
.channel-card p{font-size:14.3px;color:var(--muted);line-height:1.85;}
.channel-card .arrow{
 position:absolute;right:24px;bottom:24px;font-size:15px;color:var(--brand-1);
 transition:transform .28s var(--ease);
}
.channel-card:hover .arrow{transform:translateX(4px);}
.channel-badge{
 display:inline-flex;align-items:center;gap:7px;
 font-size:12px;font-weight:700;color:var(--brand-1);background:var(--brand-soft);
 padding:6px 12px;border-radius:999px;
}

/* ---------- FAQ ---------- */
.accordion-item{
 border:1px solid var(--border)!important;border-radius:var(--r)!important;
 overflow:hidden;margin-bottom:12px;background:var(--surface);
 box-shadow:var(--sh-sm);
}
.accordion-button{
 font-size:16px;font-weight:700;color:var(--ink);background:var(--surface);
 padding:18px 22px;box-shadow:none!important;line-height:1.6;
}
.accordion-button:not(.collapsed){color:var(--brand-1);background:var(--brand-soft);}
.accordion-button:focus{box-shadow:0 0 0 3px rgba(91,61,245,.18)!important;}
.accordion-button::after{
 background-image:none;content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;
 font-size:12px;color:var(--brand-1);transform:none;width:auto;height:auto;
 transition:transform .25s var(--ease);
}
.accordion-button:not(.collapsed)::after{transform:rotate(180deg);}
.accordion-body{padding:16px 22px 22px;font-size:14.6px;color:var(--muted);line-height:1.92;}

/* ---------- 保障条 ---------- */
.guard{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.guard-item{
 background:var(--surface);border:1px solid var(--border);border-radius:var(--r);
 padding:20px 22px;box-shadow:var(--sh-sm);
 transition:transform .25s var(--ease),box-shadow .25s var(--ease);
}
.guard-item:hover{transform:translateY(-4px);box-shadow:var(--sh);}
.guard-item i{color:var(--brand-1);font-size:17px;}
.guard-item strong{display:block;font-size:15.5px;margin:10px 0 6px;}
.guard-item span{font-size:13.5px;color:var(--muted);line-height:1.78;display:block;}

/* ---------- 收口 CTA ---------- */
.cta-band{
 margin-top:44px;
 background:#171233;color:#fff;border-radius:var(--r-lg);
 padding:38px 34px;display:flex;flex-wrap:wrap;gap:22px;
 align-items:center;justify-content:space-between;
 box-shadow:var(--sh-lg);position:relative;overflow:hidden;
}
.cta-band::after{
 content:"";position:absolute;width:420px;height:420px;right:-160px;top:-200px;border-radius:50%;
 background:radial-gradient(circle,rgba(139,92,246,.4),transparent 68%);
}
.cta-band-copy{position:relative;z-index:2;max-width:620px;}
.cta-band h2{font-size:clamp(20px,2.2vw,27px);margin-bottom:10px;}
.cta-band p{font-size:14.6px;color:rgba(255,255,255,.76);line-height:1.9;}
.cta-band .btn-row{display:flex;flex-wrap:wrap;gap:12px;position:relative;z-index:2;}

/* ---------- 底部固定转化条 ---------- */
.cta-dock{
 position:fixed;left:var(--sidebar-w);right:0;bottom:0;z-index:1040;
 display:flex;align-items:center;justify-content:space-between;gap:20px;
 padding:14px 28px;
 background:rgba(23,18,51,.96);
 color:#fff;box-shadow:0 -12px 32px rgba(20,17,39,.24);
}
.dock-text{display:flex;flex-wrap:wrap;align-items:baseline;gap:12px;font-size:14px;}
.dock-text strong{font-size:15px;color:#fff;}
.dock-text span{color:rgba(255,255,255,.72);}
.dock-actions{display:flex;gap:12px;flex:0 0 auto;}

/* ---------- 页脚 ---------- */
.site-footer{background:#171233;color:rgba(255,255,255,.72);padding:56px 0 26px;}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:34px;}
.site-footer .brand-text strong{color:#fff;}
.site-footer .brand-text em{color:rgba(255,255,255,.5);}
.foot-desc{font-size:14px;line-height:1.92;color:rgba(255,255,255,.62);margin-top:16px;max-width:420px;}
.foot-col h3{font-size:15px;color:#fff;margin-bottom:14px;font-weight:700;}
.foot-col li a{display:inline-block;padding:6px 0;font-size:14px;color:rgba(255,255,255,.66);}
.foot-col li a:hover{color:#fff;}
.foot-bottom{
 margin-top:34px;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);
}

/* ---------- 响应式 ---------- */
@media (max-width:1100px){
 body{padding-left:0;padding-bottom:120px;}
 .site-header{
  position:sticky;top:0;left:auto;right:auto;bottom:auto;width:100%;
  flex-direction:row;flex-wrap:wrap;align-items:center;gap:12px;
  padding:12px 18px;border-right:0;border-bottom:1px solid var(--border);
 }
 .nav-toggle{display:grid;margin-left:auto;}
 .site-nav{display:none;flex-direction:column;width:100%;margin-top:8px;
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r);
  padding:10px;box-shadow:var(--sh);}
 .site-nav.is-open{display:flex;}
 .nav-label{display:none;}
 .side-foot{display:none;}
 .cta-dock{left:0;padding:12px 18px;}
 .hero{padding:36px 0 46px;}
}
@media (max-width:900px){
 .grid-3,.grid-4{grid-template-columns:repeat(2,1fr);}
 .stat-strip{grid-template-columns:repeat(2,1fr);padding:28px 24px;}
 .stat-item{border-left:0;padding-left:0;}
 .guard{grid-template-columns:repeat(2,1fr);}
 .channel-grid{grid-template-columns:1fr;}
 .compare-grid{grid-template-columns:1fr;}
 .news-item{grid-template-columns:1fr;gap:8px;}
 .foot-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:768px){
 .grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}
 .section{padding:48px 0;}
 .step{grid-template-columns:1fr;gap:14px;}
 .cta-band{padding:30px 24px;}
 .dock-text span{display:none;}
}
@media (max-width:520px){
 .wrap{padding:0 18px;}
 .hero h1{font-size:26px;}
 .hero-actions .btn{width:100%;}
 .report-card{padding:18px;}
 .stat-strip{grid-template-columns:1fr;gap:18px;}
 .guard{grid-template-columns:1fr;}
 .foot-grid{grid-template-columns:1fr;}
 .cta-dock{flex-direction:column;align-items:stretch;gap:10px;}
 .dock-actions{justify-content:stretch;}
 .dock-actions .btn{flex:1;}
 .cta-band .btn-row .btn{width:100%;}
}

/* roulang page: category2 */
:root{
 --brand-1:#5b3df5;
 --brand-2:#8b5cf6;
 --brand-3:#ff4d8d;
 --brand-soft:#efeaff;
 --ink:#141127;
 --ink-2:#3c3663;
 --muted:#6f6a8a;
 --bg:#f6f5fb;
 --surface:#ffffff;
 --surface-2:#f1eefb;
 --border:#e6e2f3;
 --ok:#16b981;
 --r-sm:12px;
 --r:18px;
 --r-lg:26px;
 --sh-sm:0 2px 10px rgba(30,20,80,.06);
 --sh:0 14px 34px rgba(30,20,80,.09);
 --sh-lg:0 26px 64px rgba(30,20,80,.15);
 --grad:linear-gradient(135deg,#5b3df5 0%,#8b5cf6 45%,#ff4d8d 100%);
 --grad-soft:linear-gradient(135deg,#efeaff 0%,#ffe9f3 100%);
 --sidebar-w:272px;
 --ease:cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;scroll-padding-top:96px;}
body{
 margin:0;
 padding-left:var(--sidebar-w);
 padding-bottom:96px;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
 font-size:16px;line-height:1.78;color:var(--ink);background:var(--bg);
 -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .22s var(--ease);}
a:hover{color:var(--brand-1);}
button{font:inherit;cursor:pointer;}
input,select,textarea{font:inherit;color:inherit;}
:focus-visible{outline:3px solid rgba(91,61,245,.42);outline-offset:2px;border-radius:8px;}
.wrap{max-width:1180px;margin:0 auto;padding:0 28px;width:100%;}

/* ---------- 侧边导航 ---------- */
.site-header{
 position:fixed;top:0;left:0;bottom:0;width:var(--sidebar-w);
 display:flex;flex-direction:column;gap:22px;
 padding:26px 20px 24px;
 background:var(--surface);
 border-right:1px solid var(--border);
 z-index:1030;overflow-y:auto;
}
.brand{display:block;}
.brand-link{display:flex;align-items:center;gap:12px;}
.brand-mark{
 width:44px;height:44px;flex:0 0 auto;border-radius:15px;
 background:var(--grad);color:#fff;display:grid;place-items:center;
 font-size:20px;font-weight:800;box-shadow:0 10px 24px rgba(91,61,245,.34);
}
.brand-text strong{display:block;font-size:17px;font-weight:800;color:var(--ink);}
.brand-text em{display:block;font-style:normal;font-size:12px;color:var(--muted);letter-spacing:.04em;}
.site-nav{display:flex;flex-direction:column;gap:6px;}
.nav-label{font-size:11px;font-weight:800;color:#aba5c8;letter-spacing:.2em;padding:2px 14px 8px;}
.nav-item{
 display:flex;align-items:center;gap:10px;
 padding:12px 15px;border-radius:15px;
 font-size:15px;font-weight:600;color:var(--ink-2);
 transition:all .22s var(--ease);
}
.nav-item i{font-size:14px;opacity:.75;width:16px;text-align:center;}
.nav-item:hover{background:var(--surface-2);color:var(--brand-1);transform:translateX(3px);}
.nav-item.is-active{background:var(--grad);color:#fff;box-shadow:0 12px 26px rgba(91,61,245,.3);}
.nav-item.is-active i{opacity:1;}
.nav-toggle{
 display:none;width:44px;height:44px;border-radius:14px;
 border:1px solid var(--border);background:var(--surface-2);
 color:var(--brand-1);font-size:18px;place-items:center;
}
.side-foot{margin-top:auto;padding-top:18px;border-top:1px solid var(--border);}
.side-note{margin:12px 2px 0;font-size:12.5px;line-height:1.8;color:var(--muted);}

/* ---------- 按钮 ---------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:8px;
 padding:13px 26px;border-radius:999px;
 font-size:15px;font-weight:700;border:1px solid transparent;
 background-color:var(--surface);color:var(--ink);
 transition:transform .25s var(--ease),box-shadow .25s var(--ease),background .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease);
 white-space:nowrap;line-height:1.4;text-align:center;
}
.btn-grad{background:var(--grad);background-color:#5b3df5;color:#fff;box-shadow:0 14px 30px rgba(91,61,245,.3);}
.btn-grad:hover{color:#fff;transform:translateY(-2px);box-shadow:0 20px 40px rgba(91,61,245,.4);}
.btn-ghost{background:var(--surface);color:var(--ink);border-color:var(--border);box-shadow:var(--sh-sm);}
.btn-ghost:hover{border-color:var(--brand-1);color:var(--brand-1);transform:translateY(-2px);}
.btn-light{background:#fff;color:#5b3df5;box-shadow:0 12px 26px rgba(0,0,0,.16);}
.btn-light:hover{color:#ff4d8d;transform:translateY(-2px);}
.btn-sm{padding:10px 20px;font-size:14px;}
.btn-lg{padding:15px 32px;font-size:16px;}
.btn-block{width:100%;}

/* ---------- 徽章 / 标签 ---------- */
.badge-pill{
 display:inline-flex;align-items:center;gap:8px;
 padding:7px 16px;border-radius:999px;background:#fff;
 border:1px solid var(--border);font-size:13px;font-weight:700;color:var(--brand-1);
 box-shadow:var(--sh-sm);
}
.badge-pill i{font-size:11px;}
.tag{
 display:inline-flex;align-items:center;gap:6px;
 padding:5px 12px;border-radius:999px;
 background:var(--brand-soft);color:var(--brand-1);
 font-size:12.5px;font-weight:700;
}
.tag.is-soft{background:var(--surface-2);color:var(--ink-2);}
.tag.is-ok{background:rgba(22,185,129,.13);color:#0f8f64;}
.tag.is-hot{background:rgba(255,77,141,.13);color:#d9296d;}

/* ---------- 首屏 ---------- */
.hero{
 position:relative;overflow:hidden;
 padding:56px 0 64px;
 background:var(--grad-soft);
 border-bottom:1px solid var(--border);
}
.hero::after{
 content:"";position:absolute;width:560px;height:560px;right:-190px;top:-250px;border-radius:50%;
 background:radial-gradient(circle,rgba(255,77,141,.26),transparent 66%);pointer-events:none;
}
.hero::before{
 content:"";position:absolute;width:420px;height:420px;left:-170px;bottom:-250px;border-radius:50%;
 background:radial-gradient(circle,rgba(91,61,245,.18),transparent 68%);pointer-events:none;
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.3fr 1fr;gap:46px;align-items:start;}
.hero h1{font-size:clamp(27px,3.1vw,41px);margin:20px 0 16px;letter-spacing:-.02em;color:#181233;line-height:1.34;}
.hero-lead{font-size:17.5px;font-weight:700;color:var(--ink-2);margin:0 0 14px;line-height:1.72;}
.hero-text{font-size:15.5px;color:var(--muted);line-height:1.95;margin:0;max-width:640px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-points{list-style:none;padding:0;margin:28px 0 0;display:grid;gap:10px;max-width:620px;}
.hero-points li{display:flex;align-items:flex-start;gap:10px;font-size:14.6px;color:var(--ink-2);}
.hero-points i{color:var(--brand-1);font-size:14px;margin-top:5px;}

/* ---------- 预告面板 ---------- */
.hero-panel{
 background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);
 padding:22px;box-shadow:var(--sh);
}
.live-cover{
 position:relative;overflow:hidden;border-radius:var(--r);
 background:var(--grad);min-height:186px;
 display:flex;flex-direction:column;justify-content:space-between;
 padding:16px 18px;color:#fff;
}
.live-cover::after{
 content:"";position:absolute;width:260px;height:260px;right:-90px;bottom:-140px;border-radius:50%;
 background:radial-gradient(circle,rgba(255,255,255,.34),transparent 68%);
}
.live-tag{
 align-self:flex-start;display:inline-flex;align-items:center;gap:7px;
 padding:5px 13px;border-radius:999px;background:rgba(255,255,255,.2);
 border:1px solid rgba(255,255,255,.38);font-size:12.5px;font-weight:700;
 backdrop-filter:blur(6px);
}
.live-tag i{font-size:9px;color:#ffd8e6;}
.live-cover-body{position:relative;z-index:2;display:flex;align-items:center;gap:14px;}
.live-cover-body .play-dot{
 width:52px;height:52px;flex:0 0 auto;border-radius:50%;
 background:rgba(255,255,255,.22);border:1px solid rgba(255,255,255,.45);
 display:grid;place-items:center;font-size:17px;
}
.live-cover-body p{margin:0;font-size:15.5px;font-weight:800;}
.live-cover-body span{display:block;font-size:12.5px;opacity:.85;margin-top:3px;}
.countdown{
 display:flex;align-items:center;justify-content:space-between;gap:14px;
 margin-top:16px;padding:14px 16px;border-radius:var(--r-sm);
 background:var(--surface-2);border:1px solid var(--border);
}
.cd-label{font-size:12.5px;font-weight:700;color:var(--muted);letter-spacing:.06em;}
.cd-cells{display:flex;gap:8px;}
.cd-cell{
 min-width:56px;padding:7px 8px;border-radius:12px;background:#fff;
 border:1px solid var(--border);text-align:center;box-shadow:var(--sh-sm);
}
.cd-cell strong{display:block;font-size:19px;font-weight:800;color:var(--brand-1);line-height:1.25;font-variant-numeric:tabular-nums;}
.cd-cell span{font-size:11px;color:var(--muted);}
.subscribe-form{margin-top:16px;}
.subscribe-form .field-row{display:flex;gap:10px;}
.subscribe-form input{
 flex:1 1 auto;min-width:0;
 padding:12px 16px;border-radius:999px;border:1px solid var(--border);
 background:var(--surface-2);font-size:14.5px;
 transition:border-color .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease);
}
.subscribe-form input:focus{outline:none;border-color:var(--brand-1);background:#fff;box-shadow:0 0 0 4px rgba(91,61,245,.14);}
.form-note{margin:10px 2px 0;font-size:12.5px;color:var(--muted);line-height:1.7;}
.form-note.is-ok{color:#0f8f64;font-weight:700;}

/* ---------- 数据条 ---------- */
.stat-strip{border-bottom:1px solid var(--border);background:var(--surface);}
.stat-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:0;}
.stat-item{padding:24px 18px;border-left:1px solid var(--border);text-align:center;}
.stat-item:first-child{border-left:0;}
.stat-item strong{display:block;font-size:25px;font-weight:800;color:var(--brand-1);letter-spacing:-.02em;line-height:1.3;}
.stat-item span{font-size:13px;color:var(--muted);}

/* ---------- 区块 ---------- */
.section{padding:64px 0;}
.section.is-tint{background:var(--surface);border-top:1px solid var(--border);border-bottom:1px solid var(--border);}
.section-head{margin-bottom:34px;max-width:760px;}
.eyebrow{
 display:inline-flex;align-items:center;gap:8px;
 font-size:12.5px;font-weight:800;letter-spacing:.16em;color:var(--brand-1);
 text-transform:uppercase;margin-bottom:12px;
}
.section-head h2{font-size:clamp(22px,2.4vw,30px);margin:0 0 12px;letter-spacing:-.015em;line-height:1.4;}
.section-head p{margin:0;color:var(--muted);font-size:15.4px;line-height:1.9;}
.section-head.is-split{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;max-width:none;}
.section-head.is-split .head-copy{max-width:720px;}

.grid{display:grid;gap:22px;}
.grid-2{grid-template-columns:repeat(2,1fr);}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}

.card{
 background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);
 padding:28px 26px;box-shadow:var(--sh-sm);
 transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease);
}
.card:hover{transform:translateY(-5px);box-shadow:var(--sh);border-color:#d8cfff;}
.card h3{font-size:17.5px;margin:0 0 10px;line-height:1.5;}
.card p{color:var(--muted);font-size:14.5px;line-height:1.88;margin:0;}
.card-icon{
 width:48px;height:48px;border-radius:16px;display:grid;place-items:center;
 background:var(--brand-soft);color:var(--brand-1);font-size:19px;margin-bottom:16px;
 transition:background .28s var(--ease),color .28s var(--ease);
}
.card:hover .card-icon{background:var(--grad);color:#fff;}
.card-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}

/* ---------- 主线大卡 + 侧列 ---------- */
.topic-lead{
 background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);
 padding:30px;box-shadow:var(--sh-sm);height:100%;
 display:flex;flex-direction:column;
}
.topic-lead h3{font-size:21px;margin:14px 0 12px;}
.topic-lead p{color:var(--muted);font-size:15px;line-height:1.92;margin:0;}
.topic-facts{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:22px;}
.topic-facts div{background:var(--surface-2);border-radius:var(--r-sm);padding:14px 16px;}
.topic-facts strong{display:block;font-size:19px;font-weight:800;color:var(--brand-1);line-height:1.35;}
.topic-facts span{font-size:12.5px;color:var(--muted);}
.side-list{display:grid;gap:18px;height:100%;}
.side-card{
 background:var(--surface);border:1px solid var(--border);border-radius:var(--r);
 padding:22px 24px;display:flex;gap:16px;
 box-shadow:var(--sh-sm);
 transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease);
}
.side-card:hover{transform:translateX(4px);border-color:#d8cfff;box-shadow:var(--sh);}
.side-card .side-ico{
 width:44px;height:44px;flex:0 0 auto;border-radius:14px;
 background:var(--grad);color:#fff;display:grid;place-items:center;font-size:16px;
 box-shadow:0 10px 22px rgba(91,61,245,.26);
}
.side-card h3{font-size:16.5px;margin:0 0 8px;}
.side-card p{margin:0;font-size:14.2px;color:var(--muted);line-height:1.85;}

/* ---------- 频道矩阵 ---------- */
.channel-card{
 position:relative;display:flex;flex-direction:column;height:100%;
 background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);
 padding:28px 26px;box-shadow:var(--sh-sm);overflow:hidden;
 transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease);
}
.channel-card::after{
 content:"";position:absolute;inset:auto -80px -120px auto;width:220px;height:220px;border-radius:50%;
 background:radial-gradient(circle,rgba(139,92,246,.14),transparent 68%);pointer-events:none;
}
.channel-card:hover{transform:translateY(-6px);box-shadow:var(--sh);border-color:#d8cfff;}
.channel-card.is-current{border-color:var(--brand-2);box-shadow:0 18px 44px rgba(91,61,245,.18);}
.channel-card h3{font-size:18px;margin:0 0 10px;}
.channel-card p{color:var(--muted);font-size:14.4px;line-height:1.88;margin:0 0 18px;}
.channel-card .channel-foot{
 margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;
 padding-top:16px;border-top:1px dashed var(--border);font-size:13.5px;font-weight:700;color:var(--brand-1);
}
.channel-card .channel-foot i{transition:transform .25s var(--ease);}
.channel-card:hover .channel-foot i{transform:translateX(4px);}

/* ---------- 版本对照 ---------- */
.plan-card{
 background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);
 padding:28px 26px;box-shadow:var(--sh-sm);height:100%;
 display:flex;flex-direction:column;
 transition:transform .28s var(--ease),box-shadow .28s var(--ease);
}
.plan-card:hover{transform:translateY(-5px);box-shadow:var(--sh);}
.plan-card.is-featured{border-color:transparent;background:linear-gradient(#fff,#fff) padding-box,var(--grad) border-box;border:2px solid transparent;box-shadow:var(--sh);}
.plan-card h3{font-size:18px;margin:14px 0 8px;}
.plan-card .plan-sub{color:var(--muted);font-size:14.2px;margin:0 0 18px;line-height:1.85;}
.plan-list{list-style:none;padding:0;margin:0 0 22px;display:grid;gap:10px;}
.plan-list li{display:flex;align-items:flex-start;gap:9px;font-size:14.2px;color:var(--ink-2);}
.plan-list i{color:var(--ok);font-size:13px;margin-top:5px;}
.plan-card .btn{margin-top:auto;}

/* ---------- 记录列表 ---------- */
.record-row{
 display:flex;align-items:flex-start;gap:18px;
 padding:20px 22px;background:var(--surface);border:1px solid var(--border);
 border-radius:var(--r);transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease);
}
.record-row + .record-row{margin-top:14px;}
.record-row:hover{transform:translateX(4px);border-color:#d8cfff;box-shadow:var(--sh-sm);}
.record-badge{
 flex:0 0 auto;min-width:76px;text-align:center;
 padding:8px 10px;border-radius:var(--r-sm);
 background:var(--brand-soft);color:var(--brand-1);
 font-size:12.5px;font-weight:800;line-height:1.5;
}
.record-body h3{font-size:16px;margin:0 0 7px;}
.record-body p{margin:0;font-size:14.2px;color:var(--muted);line-height:1.86;}

/* ---------- 精选列表 ---------- */
.list-row{
 display:flex;align-items:flex-start;gap:18px;
 padding:20px 22px;background:var(--surface);
 border:1px solid var(--border);border-radius:var(--r);
 transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease);
}
.list-row + .list-row{margin-top:12px;}
.list-row:hover{transform:translateX(4px);border-color:#d8cfff;box-shadow:var(--sh-sm);}
.list-row .idx{
 width:44px;height:44px;flex:0 0 auto;border-radius:14px;
 display:grid;place-items:center;font-weight:800;font-size:15px;
 background:var(--brand-soft);color:var(--brand-1);
}
.list-row h3{font-size:16px;margin:0 0 6px;}
.list-row p{margin:0;font-size:14.2px;color:var(--muted);line-height:1.85;}
.list-row .row-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px;}
.list-more{display:flex;justify-content:center;margin-top:26px;}

/* ---------- FAQ ---------- */
.faq-item{
 background:var(--surface);border:1px solid var(--border);border-radius:var(--r);
 margin-bottom:14px;overflow:hidden;
 transition:box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.faq-item[open]{box-shadow:var(--sh-sm);border-color:#d8cfff;}
.faq-item summary{
 list-style:none;cursor:pointer;padding:20px 24px;
 font-weight:700;font-size:16px;
 display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary i{color:var(--brand-1);font-size:15px;transition:transform .25s var(--ease);flex:0 0 auto;}
.faq-item[open] summary i{transform:rotate(45deg);}
.faq-body{padding:0 24px 22px;color:var(--muted);font-size:14.6px;line-height:1.92;}

/* ---------- 保障条 ---------- */
.guard-bar{
 background:#15112b;border-radius:var(--r-lg);
 padding:36px 32px;display:grid;grid-template-columns:repeat(4,1fr);gap:26px;
 color:#fff;box-shadow:var(--sh-lg);position:relative;overflow:hidden;
}
.guard-bar::after{
 content:"";position:absolute;width:420px;height:420px;right:-160px;top:-200px;border-radius:50%;
 background:radial-gradient(circle,rgba(139,92,246,.4),transparent 68%);pointer-events:none;
}
.guard-item{position:relative;z-index:2;}
.guard-item i{
 width:44px;height:44px;border-radius:14px;display:grid;place-items:center;
 background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.18);
 color:#fff;font-size:17px;margin-bottom:14px;
}
.guard-item h3{font-size:16px;margin:0 0 8px;color:#fff;}
.guard-item p{margin:0;font-size:13.6px;line-height:1.85;color:#b8b1dd;}

/* ---------- 订阅转化 ---------- */
.subscribe-cta{
 background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);
 padding:38px 36px;box-shadow:var(--sh);
 display:grid;grid-template-columns:1.15fr 1fr;gap:34px;align-items:center;
}
.subscribe-cta h2{font-size:clamp(21px,2.2vw,28px);margin:0 0 12px;line-height:1.42;}
.subscribe-cta p{margin:0 0 8px;color:var(--muted);font-size:15px;line-height:1.9;}
.cta-panel{background:var(--surface-2);border:1px solid var(--border);border-radius:var(--r);padding:24px;}
.cta-panel .subscribe-form .field-row{flex-direction:column;}
.cta-panel .subscribe-form input{width:100%;background:#fff;}

/* ---------- 底部固定条 ---------- */
.sticky-cta{
 position:fixed;left:var(--sidebar-w);right:0;bottom:0;z-index:1020;
 display:flex;align-items:center;justify-content:space-between;gap:20px;
 padding:14px 28px;
 background:rgba(255,255,255,.94);
 backdrop-filter:blur(12px);
 border-top:1px solid var(--border);
 box-shadow:0 -10px 30px rgba(30,20,80,.08);
}
.sticky-cta .sticky-copy{display:flex;align-items:center;gap:14px;min-width:0;}
.sticky-cta .sticky-copy i{
 width:40px;height:40px;flex:0 0 auto;border-radius:13px;display:grid;place-items:center;
 background:var(--grad);color:#fff;font-size:15px;
}
.sticky-cta strong{display:block;font-size:14.8px;}
.sticky-cta span{display:block;font-size:12.6px;color:var(--muted);}
.sticky-cta .sticky-actions{display:flex;gap:12px;flex:0 0 auto;}

/* ---------- 页脚 ---------- */
.site-footer{background:#15112b;color:#cfc9e8;padding:56px 0 26px;margin-top:22px;}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:34px;}
.foot-brand .brand-text strong{color:#fff;}
.foot-brand .brand-text em{color:#9c94c4;}
.foot-desc{color:#a49dc6;font-size:14.5px;line-height:1.92;margin:16px 0 0;max-width:430px;}
.foot-col h3{font-size:15px;color:#fff;margin:0 0 14px;}
.foot-col ul{list-style:none;padding:0;margin:0;display:grid;gap:10px;}
.foot-col a{color:#b7b0dc;font-size:14.5px;}
.foot-col a:hover{color:#fff;}
.foot-bottom{
 border-top:1px solid rgba(255,255,255,.1);margin-top:38px;padding-top:20px;
 display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
 color:#8f88b6;font-size:13.5px;
}
.foot-bottom p{margin:0;}

/* ---------- 响应式 ---------- */
@media (max-width:1180px){
 :root{--sidebar-w:240px;}
 .hero-inner{grid-template-columns:1fr;gap:34px;}
 .hero-text{max-width:none;}
 .guard-bar{grid-template-columns:repeat(2,1fr);}
 .stat-grid{grid-template-columns:repeat(3,1fr);}
 .stat-item:nth-child(4){border-left:0;}
 .stat-item:nth-child(n+4){border-top:1px solid var(--border);}
}
@media (max-width:1024px){
 body{padding-left:0;padding-bottom:104px;}
 .site-header{
  position:sticky;top:0;left:auto;bottom:auto;width:100%;
  flex-direction:row;align-items:center;justify-content:space-between;
  gap:14px;padding:12px 18px;
  border-right:0;border-bottom:1px solid var(--border);
  overflow:visible;
 }
 .brand-text em{display:none;}
 .nav-toggle{display:grid;}
 .site-nav{
  position:absolute;top:100%;left:0;right:0;
  display:none;flex-direction:column;gap:4px;
  padding:12px 18px 18px;background:var(--surface);
  border-bottom:1px solid var(--border);box-shadow:var(--sh);
 }
 .site-nav.is-open{display:flex;}
 .site-nav .nav-label{display:none;}
 .nav-item:hover{transform:none;}
 .side-foot{display:none;}
 .sticky-cta{left:0;padding:12px 18px;}
 .subscribe-cta{grid-template-columns:1fr;gap:24px;}
 .grid-4{grid-template-columns:repeat(2,1fr);}
 .grid-3{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:768px){
 .wrap{padding:0 20px;}
 .section{padding:48px 0;}
 .hero{padding:40px 0 48px;}
 .stat-grid{grid-template-columns:repeat(2,1fr);}
 .stat-item:nth-child(odd){border-left:0;}
 .stat-item:nth-child(n+3){border-top:1px solid var(--border);}
 .grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}
 .foot-grid{grid-template-columns:1fr;gap:26px;}
 .guard-bar{grid-template-columns:1fr;padding:28px 24px;gap:20px;}
 .section-head.is-split{flex-direction:column;align-items:flex-start;gap:16px;}
 .subscribe-cta{padding:28px 22px;}
 .sticky-cta .sticky-copy span{display:none;}
 .sticky-cta .btn{padding:11px 18px;font-size:14px;}
 .live-cover{min-height:160px;}
}
@media (max-width:520px){
 .wrap{padding:0 16px;}
 .hero h1{font-size:25px;}
 .hero-lead{font-size:16px;}
 .hero-text{font-size:14.8px;}
 .hero-actions .btn{width:100%;}
 .cd-cell{min-width:48px;padding:6px;flex:1;}
 .subscribe-form .field-row{flex-direction:column;}
 .subscribe-form .btn{width:100%;}
 .record-row,.list-row{flex-direction:column;gap:12px;}
 .record-badge{min-width:0;display:inline-block;}
 .sticky-cta .sticky-copy i{display:none;}
 .sticky-cta{gap:10px;}
 .foot-bottom{flex-direction:column;gap:6px;}
}

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