/* roulang page: index */
:root{
  --c-primary:#E23A2E;
  --c-primary-deep:#B32619;
  --c-primary-2:#FF8A3D;
  --c-accent:#12C2A0;
  --c-gold:#FFC53D;
  --bg:#FFF7F2;
  --bg-alt:#FFF1E8;
  --ink-deep:#1C1412;
  --ink:#241A17;
  --muted:#7A6862;
  --line:rgba(36,26,23,.10);
  --grad-brand:linear-gradient(135deg,#E23A2E 0%,#FF8A3D 100%);
  --r-sm:12px;
  --r-md:20px;
  --r-lg:28px;
  --r-pill:999px;
  --sh1:0 1px 2px rgba(28,20,18,.06);
  --sh2:0 8px 24px -8px rgba(226,58,46,.18);
  --sh3:0 20px 48px -16px rgba(28,20,18,.24);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:150px;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button,input{font:inherit;color:inherit;}
button{background:none;border:0;}
h1,h2,h3,h4{margin:0;letter-spacing:0;line-height:1.25;color:var(--ink-deep);}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:8px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
@media (min-width:1024px){.container{padding:0 32px;}}
.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;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;border:1px solid transparent;cursor:pointer;
  white-space:nowrap;min-width:44px;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:var(--sh2);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 30px -10px rgba(226,58,46,.42);}
.btn-ghost{border-color:var(--c-primary);color:var(--c-primary-deep);background:transparent;}
.btn-ghost:hover{background:rgba(226,58,46,.08);transform:translateY(-2px);}
.btn-dark{border:1.5px solid rgba(255,255,255,.6);color:#fff;background:transparent;}
.btn-dark:hover{background:rgba(255,255,255,.13);transform:translateY(-2px);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn:active{transform:scale(.98);}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none;}
@media (max-width:768px){.btn{height:52px;}}

/* ============ 徽章 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;
  border-radius:var(--r-pill);font-size:12px;font-weight:700;
  background:var(--bg-alt);color:var(--c-primary-deep);border:1px solid var(--line);
  white-space:nowrap;
}
.badge-accent{background:rgba(18,194,160,.14);color:#0B8F77;border-color:rgba(18,194,160,.28);}
.badge-gold{background:rgba(255,197,61,.22);color:#8A5B00;border-color:rgba(255,197,61,.5);}
.badge-live{background:#fff;}
.badge-live::before{
  content:'';width:7px;height:7px;border-radius:50%;background:var(--c-accent);
  box-shadow:0 0 0 3px rgba(18,194,160,.18);
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:6px 15px;
  border-radius:var(--r-pill);background:rgba(226,58,46,.09);
  color:var(--c-primary-deep);font-size:13px;font-weight:700;
}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:90;
  background:rgba(255,247,242,.92);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.site-header.is-stuck{border-bottom-color:var(--line);box-shadow:0 10px 30px -22px rgba(28,20,18,.55);}
.brandbar{display:flex;align-items:center;gap:20px;height:74px;transition:height .24s var(--ease);}
.site-header.is-stuck .brandbar{height:60px;}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{
  width:38px;height:38px;border-radius:12px;background:var(--grad-brand);color:#fff;
  display:grid;place-items:center;font-weight:800;font-size:18px;box-shadow:var(--sh2);flex:0 0 auto;
}
.logo-text{display:flex;flex-direction:column;line-height:1.15;}
.logo-text strong{font-size:16px;font-weight:800;color:var(--ink-deep);}
.logo-text em{font-style:normal;font-size:11px;color:var(--muted);letter-spacing:.06em;}
.search{
  flex:1 1 auto;max-width:400px;display:flex;align-items:center;gap:8px;height:42px;
  padding:0 6px 0 14px;border:1px solid var(--line);border-radius:var(--r-pill);
  background:#fff;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.search:focus-within{border-color:var(--c-accent);box-shadow:0 0 0 3px rgba(18,194,160,.16);}
.search svg{flex:0 0 auto;}
.search input{flex:1 1 auto;min-width:0;border:0;background:transparent;outline:none;font-size:14px;}
.search input::placeholder{color:#A99690;}
.search button{
  height:32px;padding:0 16px;border-radius:var(--r-pill);background:var(--grad-brand);
  color:#fff;font-size:13px;font-weight:700;cursor:pointer;flex:0 0 auto;
  transition:box-shadow .18s var(--ease);
}
.search button:hover{box-shadow:var(--sh2);}
.brandbar-right{margin-left:auto;display:flex;align-items:center;gap:16px;}
.link-quiet{font-size:14px;color:var(--muted);transition:color .18s var(--ease);}
.link-quiet:hover{color:var(--c-primary);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;cursor:pointer;place-items:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink-deep);border-radius:2px;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:'';position:absolute;left:0;width:18px;height:2px;background:var(--ink-deep);border-radius:2px;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.channelbar-wrap{display:flex;align-items:center;gap:16px;border-top:1px solid var(--line);height:56px;}
.channelbar{
  display:flex;align-items:center;gap:8px;flex:1 1 auto;
  overflow-x:auto;scrollbar-width:none;
  scroll-snap-type:x proximity;
  -webkit-overflow-scrolling:touch;
}
.channelbar::-webkit-scrollbar{display:none;}
.channel{
  display:inline-flex;align-items:center;height:34px;padding:0 16px;border-radius:var(--r-pill);
  font-size:14px;font-weight:600;color:var(--ink);background:var(--bg-alt);
  border:1px solid transparent;white-space:nowrap;scroll-snap-align:start;
  transition:border-color .2s var(--ease),color .2s var(--ease),background .2s var(--ease),box-shadow .2s var(--ease);
}
.channel:hover{border-color:var(--c-accent);color:var(--c-primary-deep);}
.channel.is-active{background:var(--grad-brand);color:#fff;box-shadow:var(--sh2);border-color:transparent;}
@media (max-width:1023px){
  .search{display:none;}
  .brandbar-right .link-quiet{display:none;}
  .nav-toggle{display:grid;}
  .brandbar{height:64px;}
}

/* ============ 移动端抽屉 ============ */
.drawer{
  position:fixed;inset:0;z-index:100;background:rgba(28,20,18,.55);
  opacity:0;pointer-events:none;transition:opacity .24s var(--ease);display:none;
}
.drawer.is-open{opacity:1;pointer-events:auto;}
.drawer-panel{
  position:absolute;top:0;right:0;bottom:0;width:min(88vw,380px);background:var(--bg);
  padding:22px 22px 40px;display:flex;flex-direction:column;gap:22px;overflow-y:auto;
  transform:translateX(100%);transition:transform .3s var(--ease);
}
.drawer.is-open .drawer-panel{transform:translateX(0);}
.drawer-close{
  align-self:flex-end;width:40px;height:40px;border-radius:12px;border:1px solid var(--line);
  background:#fff;cursor:pointer;font-size:18px;line-height:1;display:grid;place-items:center;color:var(--muted);
}
.drawer-search{
  display:flex;align-items:center;gap:8px;height:46px;padding:0 6px 0 14px;
  border:1px solid var(--line);border-radius:var(--r-pill);background:#fff;
}
.drawer-search input{flex:1 1 auto;min-width:0;border:0;background:transparent;outline:none;font-size:14px;}
.drawer-search button{height:34px;padding:0 16px;border-radius:var(--r-pill);background:var(--grad-brand);color:#fff;font-size:13px;font-weight:700;cursor:pointer;}
.drawer-nav{display:flex;flex-direction:column;gap:6px;}
.drawer-nav a{
  padding:14px 16px;border-radius:var(--r-sm);font-size:15px;font-weight:600;color:var(--ink);
  border:1px solid transparent;transition:background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.drawer-nav a:hover{background:#fff;border-color:var(--line);color:var(--c-primary-deep);}
.drawer-nav a.is-active{background:var(--grad-brand);color:#fff;}
@media (max-width:1023px){.drawer{display:block;}}

/* ============ 首屏 ============ */
.hero{position:relative;padding:56px 0 48px;overflow:hidden;}
.hero::before{
  content:'';position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(900px 420px at 10% -12%,rgba(226,58,46,.15),transparent 62%),
    radial-gradient(700px 360px at 94% 6%,rgba(18,194,160,.10),transparent 60%);
}
.hero-grid{position:relative;display:grid;grid-template-columns:1fr;gap:36px;align-items:center;}
@media (min-width:1024px){.hero-grid{grid-template-columns:1.05fr 1fr;gap:48px;}}
.hero h1{
  font-size:clamp(32px,5vw,56px);font-weight:800;line-height:1.25;
  margin:18px 0 16px;color:var(--ink-deep);
}
.hero-sub{font-size:18px;line-height:1.8;color:var(--muted);max-width:600px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-points{display:flex;flex-wrap:wrap;gap:12px 24px;margin-top:28px;font-size:14px;color:var(--muted);}
.hero-points li{display:flex;align-items:center;gap:8px;}
.hero-points li::before{
  content:'';width:6px;height:6px;border-radius:50%;background:var(--c-accent);flex:0 0 auto;
}
.hero-visual{position:relative;padding:16px 0 34px 26px;}
@media (max-width:768px){.hero-visual{padding:0;}}
.hero-backdrop{
  position:absolute;top:0;left:0;right:26px;bottom:0;border-radius:36px;
  background-image:linear-gradient(135deg,rgba(226,58,46,.62),rgba(255,138,61,.48)),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  box-shadow:var(--sh3);
}
@media (max-width:768px){.hero-backdrop{left:0;right:0;}}
.demo-window{
  position:relative;z-index:2;background:#fff;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--sh3);
}
.demo-bar{
  display:flex;align-items:center;gap:7px;height:40px;padding:0 14px;
  background:var(--bg-alt);border-bottom:1px solid var(--line);
}
.demo-bar i{width:9px;height:9px;border-radius:50%;background:rgba(226,58,46,.35);}
.demo-bar i:nth-child(2){background:rgba(255,197,61,.75);}
.demo-bar i:nth-child(3){background:rgba(18,194,160,.6);}
.demo-bar span{margin-left:8px;font-size:12px;color:var(--muted);}
.demo-window img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.stat-badges{
  position:relative;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));
  gap:12px;margin-top:40px;
}
@media (min-width:768px){.stat-badges{grid-template-columns:repeat(4,minmax(0,1fr));}}
.stat-badge{
  display:flex;align-items:center;gap:12px;padding:14px 18px;
  border-radius:var(--r-md);background:#fff;border:1px solid var(--line);box-shadow:var(--sh1);
}
.stat-badge b{
  font-family:'Barlow Condensed',ui-monospace,monospace;font-size:30px;font-weight:700;
  line-height:1;color:var(--c-primary);flex:0 0 auto;
}
.stat-badge span{font-size:13px;line-height:1.45;color:var(--muted);}

/* ============ 通用板块 ============ */
.section{padding:60px 0;}
@media (min-width:768px){.section{padding:76px 0;}}
@media (min-width:1024px){.section{padding:92px 0;}}
.section-alt{background:var(--bg-alt);}
.section-head{max-width:740px;margin-bottom:38px;}
.section-head h2{font-size:clamp(26px,3.2vw,36px);font-weight:700;margin:12px 0 12px;}
.section-head p{color:var(--muted);margin:0;}
.section-head-row{display:flex;flex-wrap:wrap;gap:16px;align-items:flex-end;justify-content:space-between;margin-bottom:38px;}
.section-head-row .section-head{margin-bottom:0;}

/* ============ 卖点区 ============ */
.sell-grid{display:grid;grid-template-columns:1fr;gap:24px;}
@media (min-width:1024px){.sell-grid{grid-template-columns:1.05fr 1fr;gap:32px;align-items:start;}}
.sell-feature{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--sh1);transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.sell-feature:hover{transform:translateY(-4px);box-shadow:var(--sh3);border-color:rgba(226,58,46,.28);}
.sell-feature img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.sell-feature-body{padding:24px 26px 28px;}
.sell-feature-body h3{font-size:22px;font-weight:600;margin:12px 0 10px;}
.sell-feature-body p{color:var(--muted);margin:0;font-size:15px;}
.sell-list{display:flex;flex-direction:column;gap:16px;}
.sell-item{
  position:relative;overflow:hidden;display:flex;gap:16px;padding:20px 22px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--sh1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.sell-item::before{
  content:'';position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad-brand);
  transform:scaleX(0);transform-origin:left;transition:transform .24s var(--ease);
}
.sell-item:hover{transform:translateY(-4px);border-color:rgba(226,58,46,.3);box-shadow:var(--sh2);}
.sell-item:hover::before{transform:scaleX(1);}
.sell-num{
  flex:0 0 auto;width:40px;height:40px;border-radius:12px;background:var(--bg-alt);
  color:var(--c-primary-deep);font-family:'Barlow Condensed',ui-monospace,monospace;
  font-size:20px;font-weight:700;display:grid;place-items:center;
}
.sell-item h3{font-size:17px;font-weight:600;margin:0 0 6px;}
.sell-item p{margin:0;font-size:14px;color:var(--muted);line-height:1.75;}

/* ============ 演示区 ============ */
.demo-grid{display:grid;grid-template-columns:1fr;gap:32px;}
@media (min-width:1024px){.demo-grid{grid-template-columns:7fr 5fr;gap:44px;align-items:start;}}
.demo-frame{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh3);
}
.demo-frame img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.steps{position:relative;}
.steps li{position:relative;padding:0 0 30px 48px;}
.steps li:last-child{padding-bottom:0;}
.steps li::before{
  content:'';position:absolute;left:15px;top:36px;bottom:-4px;width:2px;
  background:linear-gradient(180deg,rgba(226,58,46,.42),rgba(226,58,46,.04));
}
.steps li:last-child::before{display:none;}
.step-dot{
  position:absolute;left:0;top:2px;width:32px;height:32px;border-radius:50%;
  background:var(--grad-brand);color:#fff;font-size:14px;font-weight:700;
  display:grid;place-items:center;box-shadow:var(--sh2);
}
.steps h3{font-size:18px;font-weight:600;margin:2px 0 6px;}
.steps p{margin:0;font-size:15px;color:var(--muted);line-height:1.75;}

/* ============ 证据区 ============ */
.proof-badges{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px;}
.proof-grid{display:grid;grid-template-columns:1fr;gap:22px;}
@media (min-width:900px){.proof-grid{grid-template-columns:1.35fr 1fr;gap:28px;align-items:start;}}
.quote-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:30px 32px;
  box-shadow:var(--sh1);transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.quote-card:hover{transform:translateY(-4px);box-shadow:var(--sh2);border-color:rgba(226,58,46,.26);}
.quote-card.is-small{border-radius:var(--r-md);padding:24px 26px;}
.quote-card.is-small .quote-text{font-size:15px;}
.quote-mark{
  font-family:'Barlow Condensed',ui-monospace,monospace;font-size:44px;line-height:.8;
  color:rgba(226,58,46,.28);display:block;margin-bottom:8px;
}
.quote-text{margin:0 0 18px;font-size:17px;line-height:1.85;color:var(--ink);}
.quote-who{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--muted);}
.quote-avatar{
  width:36px;height:36px;border-radius:50%;background:var(--grad-brand);color:#fff;
  display:grid;place-items:center;font-weight:700;font-size:14px;flex:0 0 auto;
}
.compat{
  margin-top:34px;padding-top:24px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;align-items:center;gap:12px 28px;
}
.compat .label{font-size:13px;color:var(--muted);}
.compat ul{display:flex;flex-wrap:wrap;gap:10px 24px;}
.compat li{
  font-size:14px;font-weight:600;color:rgba(36,26,23,.45);
  transition:color .2s var(--ease);
}
.compat li:hover{color:var(--c-primary);}

/* ============ 最新信息（CMS 列表区） ============ */
.news-list{display:flex;flex-direction:column;gap:24px;}
.news-lead{
  display:grid;grid-template-columns:1fr;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.news-lead:hover{transform:translateY(-4px);box-shadow:var(--sh3);border-color:rgba(226,58,46,.28);}
@media (min-width:640px){.news-lead{grid-template-columns:240px 1fr;}}
.news-lead-cover{position:relative;min-height:190px;}
.news-lead-cover img{width:100%;height:100%;object-fit:cover;min-height:190px;}
.news-lead-cover::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(28,20,18,0) 45%,rgba(28,20,18,.42));
}
.news-lead-cover .badge{position:absolute;top:14px;left:14px;z-index:2;background:#fff;}
.news-lead-body{padding:24px 26px 26px;display:flex;flex-direction:column;gap:10px;}
.news-lead-body h3{font-size:22px;font-weight:700;line-height:1.45;}
.news-lead-body p{
  margin:0;color:var(--muted);font-size:15px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;font-size:13px;color:var(--muted);margin-top:auto;}
.meta .arrow{color:var(--c-primary);font-weight:700;transition:transform .2s var(--ease);}
.news-lead:hover .meta .arrow,.news-card:hover .meta .arrow{transform:translateX(4px);}
.news-cards{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
@media (max-width:1024px){.news-cards{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media (max-width:520px){.news-cards{grid-template-columns:1fr;}}
.news-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh2);border-color:rgba(226,58,46,.3);}
.news-card-cover{position:relative;}
.news-card-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.news-card-cover::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(28,20,18,0) 55%,rgba(28,20,18,.28));
}
.news-card-body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:8px;flex:1 1 auto;}
.news-card-body h3{
  font-size:16px;font-weight:600;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card-body p{
  margin:0;font-size:13px;color:var(--muted);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-empty{
  border:2px dashed rgba(226,58,46,.3);border-radius:var(--r-lg);padding:44px 28px;
  text-align:center;background:#fff;
}
.news-empty svg{margin:0 auto 14px;}
.news-empty p{color:var(--muted);margin:0 0 18px;font-size:15px;}

/* ============ 价格区 ============ */
.price-list{display:flex;flex-direction:column;gap:16px;}
.price-row{
  display:grid;grid-template-columns:1fr;gap:18px;align-items:center;
  padding:24px 26px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-md);box-shadow:var(--sh1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.price-row:hover{transform:translateY(-3px);box-shadow:var(--sh2);border-color:rgba(226,58,46,.28);}
@media (min-width:900px){.price-row{grid-template-columns:220px 1fr 250px;gap:30px;}}
.price-row.is-featured{
  border:2px solid transparent;
  background:linear-gradient(#fff,#fff) padding-box,var(--grad-brand) border-box;
  box-shadow:var(--sh2);transform:scale(1.015);
}
.price-row.is-featured:hover{transform:scale(1.015) translateY(-3px);}
.price-name{font-size:18px;font-weight:700;color:var(--ink-deep);display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
.price-features{display:flex;flex-wrap:wrap;gap:8px 22px;font-size:14px;color:var(--muted);}
.price-features li{display:flex;align-items:center;gap:7px;}
.price-features li::before{
  content:'';width:6px;height:6px;border-radius:50%;background:var(--c-accent);flex:0 0 auto;
}
.price-action{display:flex;align-items:center;gap:16px;flex-wrap:wrap;}
.price-amount{
  font-family:'Barlow Condensed',ui-monospace,monospace;font-size:32px;font-weight:700;
  color:var(--c-primary);line-height:1;
}
.price-amount small{font-size:14px;font-weight:600;color:var(--muted);font-family:inherit;margin-left:4px;}

/* ============ FAQ ============ */
.faq-grid{display:grid;grid-template-columns:1fr;gap:32px;}
@media (min-width:1024px){.faq-grid{grid-template-columns:4fr 8fr;gap:48px;align-items:start;}}
.faq-aside{position:static;}
@media (min-width:1024px){.faq-aside{position:sticky;top:150px;}}
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.faq-item:hover{border-color:rgba(226,58,46,.3);}
.faq-item.is-open{border-color:rgba(226,58,46,.45);box-shadow:var(--sh2);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:16px 22px;min-height:56px;text-align:left;font-size:16px;font-weight:600;
  color:var(--ink-deep);cursor:pointer;
}
.faq-icon{flex:0 0 auto;width:24px;height:24px;position:relative;transition:transform .24s var(--ease);}
.faq-icon::before,.faq-icon::after{content:'';position:absolute;background:var(--c-primary);border-radius:2px;}
.faq-icon::before{left:4px;right:4px;top:11px;height:2px;}
.faq-icon::after{top:4px;bottom:4px;left:11px;width:2px;}
.faq-item.is-open .faq-icon{transform:rotate(45deg);}
.faq-a{padding:0 22px 20px;font-size:15px;line-height:1.8;color:var(--muted);display:none;}
.faq-item.is-open .faq-a{display:block;}

/* ============ 转化 CTA ============ */
.cta-wrap{padding:48px 0 64px;}
.cta-band{
  position:relative;overflow:hidden;background:var(--ink-deep);border-radius:var(--r-lg);
  padding:48px 32px;color:#fff;
}
@media (min-width:768px){.cta-band{padding:60px 48px;}}
.cta-band::before{
  content:'';position:absolute;inset:0;
  background:
    radial-gradient(600px 300px at 14% 18%,rgba(226,58,46,.55),transparent 66%),
    radial-gradient(520px 260px at 88% 86%,rgba(255,138,61,.34),transparent 64%);
}
.cta-band::after{
  content:'';position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,rgba(18,194,160,0),var(--c-accent),rgba(18,194,160,0));
}
.cta-inner{
  position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:24px;
  align-items:center;justify-content:space-between;
}
.cta-inner h2{color:#fff;font-size:clamp(24px,3vw,32px);font-weight:700;margin-bottom:10px;}
.cta-inner p{color:rgba(255,255,255,.72);margin:0;font-size:15px;}
.cta-note{position:relative;z-index:2;margin-top:24px;font-size:13px;color:rgba(255,255,255,.55);}

/* ============ 页脚 ============ */
.site-footer{background:var(--bg-alt);border-top:1px solid var(--line);}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px;padding:56px 0 32px;}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .logo-mark{width:34px;height:34px;border-radius:10px;font-size:16px;}
.footer-brand strong{font-size:16px;font-weight:800;color:var(--ink-deep);}
.footer-col p{font-size:14px;color:var(--muted);margin:0;line-height:1.75;}
.footer-col h4{font-size:14px;font-weight:700;margin:0 0 16px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:var(--muted);transition:color .18s var(--ease);}
.footer-col a:hover{color:var(--c-primary);}
.footer-bottom{
  border-top:1px solid var(--line);padding:20px 0 30px;
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:13px;color:var(--muted);
}
.footer-bottom a{color:var(--muted);}
.footer-bottom a:hover{color:var(--c-primary);}

/* ============ 浮动 CTA ============ */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:70;
  display:inline-flex;align-items:center;gap:10px;height:52px;padding:0 24px;
  border-radius:var(--r-pill);background:var(--grad-brand);color:#fff;
  font-size:15px;font-weight:700;box-shadow:0 16px 36px -12px rgba(226,58,46,.55);
  opacity:0;transform:translateY(14px);pointer-events:none;
  transition:opacity .28s var(--ease),transform .28s var(--ease),box-shadow .2s var(--ease);
}
.float-cta.is-visible{opacity:1;transform:translateY(0);pointer-events:auto;}
.float-cta:hover{transform:translateY(-3px);box-shadow:0 22px 42px -14px rgba(226,58,46,.6);}
@media (max-width:768px){
  .float-cta{left:16px;right:16px;bottom:16px;justify-content:center;}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: article */
:root{
  --c-primary:#E23A2E;
  --c-primary-deep:#B32619;
  --c-primary-2:#FF8A3D;
  --c-accent:#12C2A0;
  --c-accent-deep:#0B8570;
  --c-gold:#FFC53D;
  --bg:#FFF7F2;
  --bg-alt:#FFF1E8;
  --ink-deep:#1C1412;
  --ink:#241A17;
  --muted:#7A6862;
  --line:rgba(36,26,23,.10);
  --grad-brand:linear-gradient(135deg,#E23A2E 0%,#FF8A3D 100%);
  --r-sm:12px;
  --r-md:20px;
  --r-lg:28px;
  --r-pill:999px;
  --sh1:0 1px 2px rgba(28,20,18,.06);
  --sh2:0 8px 24px -8px rgba(226,58,46,.18);
  --sh3:0 20px 48px -16px rgba(28,20,18,.24);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.85;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .18s var(--ease),border-color .18s var(--ease)}
button,input{font:inherit;color:inherit}
button{cursor:pointer}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:6px}
h1,h2,h3,h4{letter-spacing:0;line-height:1.28;margin:0}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1024px){.container{padding:0 32px}}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,247,242,.93);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.brandbar{display:flex;align-items:center;gap:24px;height:72px;transition:height .22s var(--ease)}
.site-header.is-scrolled .brandbar{height:60px}
.logo{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.logo-mark{width:40px;height:40px;border-radius:14px;background:var(--grad-brand);color:#fff;display:grid;place-items:center;font-weight:800;font-size:19px;box-shadow:var(--sh2);flex:0 0 auto}
.logo-text{display:flex;flex-direction:column;line-height:1.12}
.logo-text strong{font-size:17px;font-weight:800;color:var(--ink-deep)}
.logo-text em{font-style:normal;font-size:12px;color:var(--muted);letter-spacing:.16em}
.search{display:flex;align-items:center;gap:8px;flex:1 1 auto;max-width:440px;height:44px;padding:0 6px 0 14px;background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);box-shadow:var(--sh1);transition:border-color .18s var(--ease),box-shadow .18s var(--ease)}
.search:focus-within{border-color:rgba(18,194,160,.65);box-shadow:0 0 0 3px rgba(18,194,160,.14)}
.search input{flex:1 1 auto;min-width:0;border:0;outline:0;background:transparent;font-size:14px}
.search input::placeholder{color:#A8968F}
.search button{height:34px;padding:0 16px;border:0;border-radius:var(--r-pill);background:var(--grad-brand);color:#fff;font-size:13px;font-weight:700;transition:transform .18s var(--ease),filter .18s var(--ease)}
.search button:hover{transform:translateY(-1px);filter:brightness(1.04)}
.search button:active{transform:scale(.98)}
.brandbar-right{display:flex;align-items:center;gap:18px;margin-left:auto;flex:0 0 auto}
.link-quiet{font-size:14px;color:#4A3833;padding:6px 2px;border-bottom:1px solid transparent}
.link-quiet:hover{color:var(--c-primary);border-bottom-color:rgba(226,58,46,.4)}
.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:700;border:1.5px solid transparent;white-space:nowrap;transition:transform .18s var(--ease),box-shadow .18s var(--ease),background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease)}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:var(--sh2)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--sh3);color:#fff}
.btn-primary:active{transform:scale(.98)}
.btn-outline{background:transparent;border-color:var(--c-primary);color:var(--c-primary-deep)}
.btn-outline:hover{background:rgba(226,58,46,.08);color:var(--c-primary-deep);transform:translateY(-2px)}
.btn-outline:active{transform:scale(.98)}
.btn-sm{height:42px;padding:0 20px;font-size:14px}
.nav-toggle{display:none;width:44px;height:44px;border-radius:14px;border:1px solid var(--line);background:#fff;place-items:center}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);position:relative;border-radius:2px}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.channelbar-wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;height:54px;border-top:1px solid var(--line)}
.channelbar{display:flex;align-items:center;gap:8px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;padding:6px 0}
.channelbar::-webkit-scrollbar{display:none}
.channel{flex:0 0 auto;padding:8px 16px;border-radius:var(--r-pill);font-size:14px;color:#4A3833;background:var(--bg-alt);border:1px solid transparent;transition:all .18s var(--ease)}
.channel:hover{border-color:rgba(18,194,160,.55);color:var(--c-primary)}
.channel.is-active{background:var(--grad-brand);color:#fff;box-shadow:var(--sh2);border-color:transparent}
.badge{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);font-size:12px;font-weight:700;white-space:nowrap}
.badge-accent{background:rgba(18,194,160,.12);color:var(--c-accent-deep);border:1px solid rgba(18,194,160,.32)}

/* mobile drawer */
.mobile-drawer{position:fixed;inset:0;z-index:90;background:var(--bg);padding:20px 20px 40px;display:none;flex-direction:column;gap:22px;overflow-y:auto}
.mobile-drawer.is-open{display:flex}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-bottom:18px;border-bottom:1px solid var(--line)}
.drawer-close{width:44px;height:44px;border-radius:14px;border:1px solid var(--line);background:#fff;font-size:20px;line-height:1;display:grid;place-items:center}
.drawer-nav{display:flex;flex-direction:column;gap:10px}
.drawer-nav a{padding:14px 18px;border-radius:var(--r-md);background:#fff;border:1px solid var(--line);font-size:15px;font-weight:600;box-shadow:var(--sh1)}
.drawer-nav a.is-active{background:var(--grad-brand);color:#fff;border-color:transparent}

/* ---------- article head ---------- */
.article-hero{
  position:relative;padding:38px 0 34px;border-bottom:1px solid var(--line);
  background-image:linear-gradient(180deg,rgba(255,241,232,.94),rgba(255,247,242,.99)),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:16px}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--c-primary)}
.breadcrumb .sep{color:rgba(36,26,23,.28)}
.breadcrumb .current{color:var(--ink);max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.chip{display:inline-flex;align-items:center;height:28px;padding:0 14px;border-radius:var(--r-pill);background:rgba(226,58,46,.10);color:var(--c-primary-deep);font-size:13px;font-weight:700;border:1px solid rgba(226,58,46,.20)}
.article-hero h1{font-size:clamp(25px,3.6vw,42px);font-weight:800;color:var(--ink-deep);margin:14px 0 16px;max-width:920px}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:14px;font-size:13px;color:var(--muted)}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:rgba(36,26,23,.22)}
.meta-row time{font-variant-numeric:tabular-nums}

/* ---------- layout ---------- */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:48px;padding:54px 0 76px}
@media (min-width:1024px){
  .article-layout{grid-template-columns:minmax(0,1fr) 306px;gap:56px;padding:64px 0 88px}
}
.article-main{min-width:0;max-width:820px}

/* ---------- article body ---------- */
.article-body{font-size:17px;line-height:1.9;color:var(--ink)}
.article-body > * + *{margin-top:1.4em}
.article-body h2{position:relative;font-size:25px;font-weight:700;color:var(--ink-deep);padding-left:16px;margin-top:48px}
.article-body h2::before{content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:4px;border-radius:4px;background:var(--grad-brand)}
.article-body h3{font-size:20px;font-weight:600;color:var(--ink-deep);margin-top:32px}
.article-body h4{font-size:17px;font-weight:700;margin-top:24px}
.article-body ul li,.article-body ol li{position:relative;padding-left:24px;margin-top:10px}
.article-body ul li::before{content:"";position:absolute;left:4px;top:.75em;width:7px;height:7px;border-radius:50%;background:var(--c-primary)}
.article-body ol{counter-reset:li}
.article-body ol li{counter-increment:li}
.article-body ol li::before{content:counter(li) ".";position:absolute;left:0;top:0;font-size:15px;font-weight:800;color:var(--c-primary)}
.article-body blockquote{margin:0;padding:16px 22px;background:var(--bg-alt);border-left:4px solid var(--c-primary);border-radius:0 var(--r-sm) var(--r-sm) 0;color:#4A3833}
.article-body blockquote p{margin:0}
.article-body img{border-radius:20px;box-shadow:var(--sh1);margin:26px 0}
.article-body figure{margin:26px 0}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px}
.article-body a{color:var(--c-accent-deep);border-bottom:1px solid rgba(18,194,160,.42)}
.article-body a:hover{color:var(--c-primary);border-bottom-color:var(--c-primary)}
.article-body strong{font-weight:700;color:var(--ink-deep)}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;margin:26px 0}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left}
.article-body th{background:var(--bg-alt);font-weight:700}
.article-body code{background:var(--bg-alt);padding:2px 6px;border-radius:6px;font-size:15px}
.article-body hr{border:0;border-top:1px dashed var(--line);margin:40px 0}

.empty-state{border:1.5px dashed rgba(226,58,46,.4);border-radius:var(--r-lg);background:#fff;padding:56px 28px;text-align:center;box-shadow:var(--sh1)}
.empty-state svg{margin:0 auto 18px;display:block}
.empty-state h2{font-size:22px;font-weight:700;color:var(--ink-deep);margin-bottom:10px}
.empty-state p{font-size:15px;color:var(--muted);max-width:420px;margin:0 auto 24px}

/* ---------- tags / post nav ---------- */
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:52px;padding-top:24px;border-top:1px dashed var(--line)}
.tag-row .tag-label{font-size:13px;color:var(--muted);margin-right:4px}
.tag{display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:var(--r-pill);background:var(--bg-alt);border:1px solid var(--line);font-size:13px;color:#4A3833;transition:all .18s var(--ease)}
.tag:hover{border-color:rgba(226,58,46,.4);color:var(--c-primary-deep);background:rgba(226,58,46,.07)}
.post-nav{display:grid;gap:16px;margin-top:34px}
@media (min-width:640px){.post-nav{grid-template-columns:1fr 1fr}}
.pn-card{display:block;padding:20px 22px;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--sh1);transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease)}
.pn-card:hover{transform:translateY(-4px);border-color:rgba(226,58,46,.32);box-shadow:var(--sh2)}
.pn-label{font-size:12px;font-weight:700;letter-spacing:.1em;color:var(--muted)}
.pn-card strong{display:block;margin-top:8px;font-size:16px;font-weight:700;color:var(--ink-deep);line-height:1.55}
.pn-card span.pn-desc{display:block;margin-top:6px;font-size:13px;color:var(--muted);line-height:1.7}
.back-row{margin-top:32px}

/* ---------- sidebar ---------- */
.article-side{display:flex;flex-direction:column;gap:20px;min-width:0}
@media (min-width:1024px){.article-side{position:sticky;top:140px;align-self:start;max-height:calc(100vh - 170px);overflow-y:auto;padding-right:4px}}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--sh1);padding:22px;transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease)}
.side-card:hover{transform:translateY(-4px);border-color:rgba(226,58,46,.3);box-shadow:var(--sh2)}
.side-card h3{font-size:16px;font-weight:700;color:var(--ink-deep);margin-bottom:14px;padding-bottom:12px;border-bottom:1px solid var(--line)}
.side-list{display:flex;flex-direction:column;gap:12px}
.side-list a{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:#4A3833;line-height:1.65}
.side-list a::before{content:"";flex:0 0 auto;width:6px;height:6px;margin-top:.6em;border-radius:50%;background:var(--c-accent)}
.side-list a:hover{color:var(--c-primary)}
.side-cover{border-radius:var(--r-sm);overflow:hidden;margin-bottom:14px;background:var(--bg-alt)}
.side-cover img{width:100%;aspect-ratio:16/9;object-fit:cover}
.side-card p{font-size:14px;color:var(--muted);line-height:1.75}
.side-cta{background:var(--ink-deep);color:#fff;border-color:transparent;position:relative;overflow:hidden}
.side-cta::after{content:"";position:absolute;right:-60px;top:-60px;width:160px;height:160px;border-radius:50%;background:radial-gradient(circle,rgba(226,58,46,.55),transparent 70%)}
.side-cta h3{color:#fff;border-bottom-color:rgba(255,255,255,.14)}
.side-cta p{color:rgba(255,255,255,.72);margin-bottom:18px;position:relative;z-index:1}
.side-cta .btn{position:relative;z-index:1;width:100%}
.btn-ghost-light{background:transparent;border-color:rgba(255,255,255,.6);color:#fff}
.btn-ghost-light:hover{background:rgba(255,255,255,.12);color:#fff;transform:translateY(-2px)}

/* ---------- CTA band ---------- */
.cta-band{position:relative;overflow:hidden;background:var(--ink-deep);color:#fff;padding:64px 0;margin-top:16px}
.cta-band::before{content:"";position:absolute;left:-10%;top:-40%;width:70%;height:180%;background:radial-gradient(circle at 30% 50%,rgba(226,58,46,.5),transparent 62%)}
.cta-band::after{content:"";position:absolute;right:0;top:0;bottom:0;width:3px;background:linear-gradient(180deg,rgba(18,194,160,0),rgba(18,194,160,.75),rgba(18,194,160,0))}
.cta-inner{position:relative;z-index:1;display:grid;gap:26px;align-items:center}
@media (min-width:900px){.cta-inner{grid-template-columns:1.5fr auto;gap:40px}}
.cta-inner h2{font-size:clamp(22px,2.6vw,30px);font-weight:800;color:#fff;margin-bottom:10px}
.cta-inner p{font-size:15px;color:rgba(255,255,255,.74);max-width:640px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}
.cta-note{font-size:12px;color:rgba(255,255,255,.5);margin-top:12px}

/* ---------- floating cta ---------- */
.float-cta{position:fixed;right:24px;bottom:24px;z-index:70;display:inline-flex;align-items:center;gap:10px;height:52px;padding:0 24px;border-radius:var(--r-pill);background:var(--grad-brand);color:#fff;font-size:15px;font-weight:700;box-shadow:var(--sh3);transition:transform .2s var(--ease),box-shadow .2s var(--ease)}
.float-cta:hover{transform:translateY(-3px);color:#fff;box-shadow:0 24px 52px -18px rgba(226,58,46,.55)}
.float-cta:active{transform:scale(.98)}
@media (max-width:768px){
  .float-cta{left:16px;right:16px;bottom:12px;height:50px;justify-content:center;font-size:14px}
}

/* ---------- footer ---------- */
.site-footer{background:var(--bg-alt);border-top:1px solid var(--line);padding:64px 0 28px;margin-top:0}
.footer-grid{display:grid;gap:36px;grid-template-columns:1fr}
@media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:48px}}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;color:var(--ink-deep)}
.footer-brand .logo-mark{width:34px;height:34px;border-radius:11px;font-size:16px}
.footer-col h4{font-size:15px;font-weight:700;color:var(--ink-deep);margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:var(--muted)}
.footer-col a:hover{color:var(--c-primary)}
.footer-col p{font-size:14px;color:var(--muted);line-height:1.75;margin-top:14px;max-width:330px}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;margin-top:44px;padding-top:22px;border-top:1px solid var(--line);font-size:13px;color:var(--muted)}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  .search{display:none}
  .brandbar-right .link-quiet{display:none}
  .nav-toggle{display:grid}
  .brandbar{gap:16px}
}
@media (max-width:560px){
  .channelbar-wrap .badge-live{display:none}
  .logo-text em{letter-spacing:.1em;font-size:11px}
  .article-hero{padding:26px 0 24px}
  .cta-band{padding:48px 0}
  .footer-bottom{flex-direction:column;gap:6px}
}
@media (prefers-reduced-motion:reduce){
  *{transition-duration:.001ms !important;animation-duration:.001ms !important}
  html{scroll-behavior:auto}
}

/* roulang page: category1 */
/* ===== 设计变量 ===== */
:root{
  --c-primary:#E23A2E;
  --c-primary-deep:#B32619;
  --c-primary-2:#FF8A3D;
  --c-accent:#12C2A0;
  --c-gold:#FFC53D;
  --bg:#FFF7F2;
  --bg-alt:#FFF1E8;
  --ink-deep:#1C1412;
  --ink:#241A17;
  --muted:#7A6862;
  --line:rgba(36,26,23,.10);
  --line-strong:rgba(36,26,23,.18);
  --grad-brand:linear-gradient(135deg,#E23A2E 0%,#FF8A3D 100%);
  --grad-brand-soft:linear-gradient(135deg,rgba(226,58,46,.10) 0%,rgba(255,138,61,.14) 100%);
  --r-sm:12px;
  --r-md:20px;
  --r-lg:28px;
  --r-pill:999px;
  --sh1:0 1px 2px rgba(28,20,18,.06);
  --sh2:0 8px 24px -8px rgba(226,58,46,.18);
  --sh3:0 20px 48px -16px rgba(28,20,18,.24);
  --ease:cubic-bezier(.2,.7,.3,1);
  --sp-1:4px; --sp-2:8px; --sp-3:12px; --sp-4:16px; --sp-5:24px; --sp-6:32px; --sp-7:48px; --sp-8:64px; --sp-9:96px;
}

/* ===== 基础 reset ===== */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:140px}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
body.drawer-open{overflow:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .18s var(--ease),border-color .18s var(--ease),background-color .18s var(--ease)}
h1,h2,h3,h4{margin:0;line-height:1.25;letter-spacing:0;font-weight:700}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:6px}
.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}

/* ===== 容器 ===== */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1024px){.container{padding:0 32px}}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 26px;
  font-size:15px;font-weight:700;line-height:1;
  border-radius:var(--r-pill);
  border:1.5px solid transparent;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background-color .18s var(--ease),border-color .18s var(--ease),color .18s var(--ease);
  white-space:nowrap;
}
.btn-sm{min-height:40px;padding:0 20px;font-size:14px}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:var(--sh1)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--sh2);background-image:linear-gradient(150deg,#E23A2E 0%,#FF8A3D 100%)}
.btn-primary:active{transform:scale(.98)}
.btn-ghost{background:transparent;border-color:var(--c-primary);color:var(--c-primary-deep)}
.btn-ghost:hover{background:rgba(226,58,46,.08);transform:translateY(-2px)}
.btn-ghost:active{transform:scale(.98)}
.btn-onDark{background:transparent;border-color:rgba(255,255,255,.55);color:#fff}
.btn-onDark:hover{background:rgba(255,255,255,.12);transform:translateY(-2px)}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none;transform:none}

/* ===== 标签与徽章 ===== */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 12px;
  font-size:12px;font-weight:700;line-height:1;
  border-radius:var(--r-pill);
  background:rgba(226,58,46,.10);
  color:var(--c-primary-deep);
  white-space:nowrap;
}
.badge-accent{background:rgba(18,194,160,.14);color:#0B8C74}
.badge-gold{background:rgba(255,197,61,.22);color:#8A6200}
.badge-onDark{background:rgba(255,255,255,.12);color:#FFD9CE}
.badge-live::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-accent)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;color:var(--c-primary-deep);
  letter-spacing:.04em;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:3px;border-radius:2px;background:var(--grad-brand)}

/* ===== 顶部导航 ===== */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,247,242,.94);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 10px 30px -22px rgba(28,20,18,.45)}
.brandbar{display:flex;align-items:center;gap:20px;padding:16px 0;transition:padding .22s var(--ease)}
.site-header.is-scrolled .brandbar{padding:8px 0}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:40px;height:40px;flex:0 0 40px;border-radius:14px;
  background:var(--grad-brand);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:19px;font-weight:800;
  box-shadow:var(--sh2);
}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text strong{font-size:17px;font-weight:800;color:var(--ink)}
.logo-text em{font-style:normal;font-size:12px;color:var(--muted);letter-spacing:.06em}
.search{
  display:flex;align-items:center;gap:10px;
  flex:1 1 auto;max-width:420px;
  background:#fff;border:1px solid var(--line);
  border-radius:var(--r-pill);
  padding:5px 5px 5px 14px;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.search:focus-within{border-color:var(--c-accent);box-shadow:0 0 0 3px rgba(18,194,160,.16)}
.search input{flex:1 1 auto;min-width:0;border:0;background:transparent;outline:none;font-size:14px;padding:6px 0}
.search input::placeholder{color:#A8968F}
.search button{
  border-radius:var(--r-pill);padding:9px 18px;
  background:var(--grad-brand);color:#fff;font-size:14px;font-weight:700;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease);
}
.search button:hover{transform:translateY(-1px);box-shadow:var(--sh2)}
.brandbar-right{display:flex;align-items:center;gap:18px;margin-left:auto}
.link-quiet{font-size:14px;color:var(--muted);font-weight:600}
.link-quiet:hover{color:var(--c-primary-deep)}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:14px;
  border:1px solid var(--line);background:#fff;
  align-items:center;justify-content:center;
}
.nav-toggle span{position:relative;display:block;width:18px;height:2px;border-radius:2px;background:var(--ink)}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;background:var(--ink)}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

.channelbar-wrap{display:flex;align-items:center;gap:16px;padding-bottom:12px}
.channelbar{
  display:flex;align-items:center;gap:8px;
  flex:1 1 auto;min-width:0;
  overflow-x:auto;scroll-snap-type:x proximity;
  padding-bottom:2px;
  -ms-overflow-style:none;scrollbar-width:none;
}
.channelbar::-webkit-scrollbar{display:none}
.channel{
  flex:0 0 auto;scroll-snap-align:start;
  display:inline-flex;align-items:center;height:38px;padding:0 18px;
  border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--line);
  font-size:14px;font-weight:600;color:var(--ink);
  position:relative;
  transition:border-color .18s var(--ease),color .18s var(--ease),background-color .18s var(--ease),transform .18s var(--ease);
}
.channel:hover{border-color:rgba(18,194,160,.6);color:#0B8C74;transform:translateY(-1px)}
.channel.is-active{background:var(--grad-brand);border-color:transparent;color:#fff;box-shadow:var(--sh2)}
.channel.is-active::after{content:"";position:absolute;left:50%;bottom:-10px;transform:translateX(-50%);width:26px;height:2px;border-radius:2px;background:var(--c-primary)}

/* ===== 移动端抽屉 ===== */
.drawer{
  position:fixed;inset:0;z-index:120;
  background:var(--bg);
  padding:20px 24px 32px;
  overflow-y:auto;
  transform:translateY(-10px);opacity:0;visibility:hidden;
  transition:opacity .2s var(--ease),transform .2s var(--ease),visibility .2s;
}
body.drawer-open .drawer{opacity:1;visibility:visible;transform:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:18px;border-bottom:1px solid var(--line)}
.drawer-close{width:44px;height:44px;border-radius:14px;border:1px solid var(--line);background:#fff;font-size:20px;line-height:1;color:var(--ink)}
.drawer-cta{margin:22px 0 8px;display:grid;gap:12px}
.drawer-nav{margin-top:18px;display:grid;gap:10px}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:52px;padding:0 18px;border-radius:var(--r-md);
  background:#fff;border:1px solid var(--line);font-weight:600;
}
.drawer-nav a.is-active{background:var(--grad-brand);color:#fff;border-color:transparent}

/* ===== 页面页头 ===== */
.page-hero{padding:44px 0 0}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:18px}
.crumbs a:hover{color:var(--c-primary-deep)}
.crumbs span{color:var(--c-primary-deep);font-weight:600}
.page-hero h1{font-size:clamp(30px,4.6vw,52px);font-weight:800;max-width:900px}
.page-hero-sub{margin-top:16px;font-size:18px;color:var(--muted);max-width:760px}
.badge-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.page-banner{
  position:relative;margin-top:36px;
  border-radius:var(--r-lg);overflow:hidden;
  aspect-ratio:16/6;min-height:240px;
  background:var(--grad-brand);
  box-shadow:var(--sh3);
}
.page-banner img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.page-banner::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(28,20,18,.86) 0%,rgba(28,20,18,.58) 46%,rgba(226,58,46,.30) 100%);
}
.page-banner-inner{
  position:relative;z-index:2;height:100%;
  display:flex;flex-direction:column;justify-content:flex-end;gap:10px;
  padding:36px;
}
.page-banner-inner h2{font-size:clamp(20px,2.4vw,28px);color:#fff}
.page-banner-inner p{font-size:15px;color:rgba(255,255,255,.82);max-width:640px}

/* ===== 板块 ===== */
.section{padding:88px 0}
.section-alt{background:var(--bg-alt)}
.section-head{max-width:760px;margin-bottom:44px}
.section-head h2{font-size:clamp(24px,3vw,34px)}
.section-head p{margin-top:14px;color:var(--muted);font-size:16px}

/* ===== 双栏：要点速览 + 图文说明 ===== */
.split-2{display:grid;gap:28px;grid-template-columns:1fr;align-items:start}
@media (min-width:1024px){.split-2{grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:32px}}
.panel-quick{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:32px;box-shadow:var(--sh1);
  position:relative;overflow:hidden;
}
.panel-quick::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad-brand)}
.panel-quick h2{font-size:24px;margin-bottom:8px}
.panel-quick .panel-lead{font-size:14px;color:var(--muted);margin-bottom:22px}
.quick-list{display:grid;gap:14px}
.quick-list li{
  display:flex;gap:12px;align-items:flex-start;
  padding:16px 18px;border-radius:var(--r-md);
  background:var(--bg);
  border:1px solid var(--line);
  transition:border-color .18s var(--ease),transform .18s var(--ease),box-shadow .18s var(--ease);
}
.quick-list li:hover{border-color:rgba(226,58,46,.30);transform:translateY(-3px);box-shadow:var(--sh2)}
.quick-list .qi{
  width:30px;height:30px;flex:0 0 30px;border-radius:10px;
  background:var(--grad-brand-soft);color:var(--c-primary-deep);
  display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:800;
}
.quick-list strong{display:block;font-size:15px;font-weight:700}
.quick-list p{font-size:14px;color:var(--muted);margin-top:4px;line-height:1.7}

.panel-detail{display:grid;gap:24px}
.detail-figure{
  border-radius:var(--r-lg);overflow:hidden;position:relative;
  aspect-ratio:16/9;background:var(--grad-brand);box-shadow:var(--sh1);
}
.detail-figure img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.detail-figure::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(28,20,18,0) 45%,rgba(28,20,18,.55) 100%)}
.detail-figure figcaption{
  position:absolute;z-index:2;left:22px;right:22px;bottom:18px;
  color:#fff;font-size:13px;color:rgba(255,255,255,.86);
}
.detail-body h2{font-size:26px;margin-bottom:14px}
.detail-body p{color:var(--muted);font-size:16px;max-width:760px}
.detail-body p + p{margin-top:14px}
.detail-points{display:grid;gap:12px;margin-top:22px}
.detail-points li{
  display:flex;gap:12px;align-items:flex-start;
  font-size:15px;color:var(--ink);
}
.detail-points li::before{
  content:"";width:8px;height:8px;flex:0 0 8px;margin-top:10px;
  border-radius:50%;background:var(--c-primary);
}

/* ===== 横向条目流 ===== */
.flow-row{display:grid;gap:24px;grid-template-columns:1fr}
@media (min-width:768px){.flow-row{grid-template-columns:repeat(3,minmax(0,1fr))}}
.flow-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;display:flex;flex-direction:column;
  box-shadow:var(--sh1);
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease);
  position:relative;
}
.flow-card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad-brand);opacity:0;transition:opacity .2s var(--ease)}
.flow-card:hover{transform:translateY(-4px);box-shadow:var(--sh3);border-color:rgba(226,58,46,.30)}
.flow-card:hover::before{opacity:1}
.flow-card img{width:100%;aspect-ratio:16/9;object-fit:cover}
.flow-card-body{padding:24px;display:flex;flex-direction:column;gap:10px}
.flow-num{
  font-size:13px;font-weight:800;color:var(--c-primary-deep);
  letter-spacing:.08em;
}
.flow-card h3{font-size:20px;font-weight:600}
.flow-card p{font-size:14px;color:var(--muted);line-height:1.75}
.flow-card .flow-link{
  margin-top:6px;font-size:14px;font-weight:700;color:var(--c-accent);
  display:inline-flex;align-items:center;gap:6px;
}
.flow-card .flow-link:hover{color:var(--c-primary-deep);gap:10px}

/* ===== 深色安全板块 ===== */
.dark-band{
  background:
    radial-gradient(120% 100% at 10% 0%,rgba(226,58,46,.42),transparent 62%),
    radial-gradient(90% 90% at 100% 100%,rgba(18,194,160,.18),transparent 58%),
    var(--ink-deep);
  border-radius:var(--r-lg);
  padding:56px 32px;
  color:#fff;
  box-shadow:var(--sh3);
}
.dark-band h2{font-size:clamp(24px,3vw,32px);color:#fff}
.dark-band .dark-lead{margin-top:14px;color:rgba(255,255,255,.72);font-size:16px;max-width:720px}
.dark-grid{display:grid;gap:18px;margin-top:36px;grid-template-columns:1fr}
@media (min-width:768px){.dark-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
.dark-item{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.12);
  border-radius:var(--r-md);
  padding:24px;
  transition:background-color .18s var(--ease),transform .18s var(--ease),border-color .18s var(--ease);
}
.dark-item:hover{background:rgba(255,255,255,.10);border-color:rgba(18,194,160,.5);transform:translateY(-3px)}
.dark-item h3{font-size:18px;color:#fff;margin-bottom:10px}
.dark-item p{font-size:14px;color:rgba(255,255,255,.72);line-height:1.75}
.dark-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:32px}

/* ===== FAQ ===== */
.faq-layout{display:grid;gap:32px;grid-template-columns:1fr}
@media (min-width:1024px){.faq-layout{grid-template-columns:minmax(0,4fr) minmax(0,8fr)}}
.faq-aside{position:static}
@media (min-width:1024px){.faq-aside{position:sticky;top:150px;align-self:start}}
.faq-aside h2{font-size:30px}
.faq-aside p{margin-top:14px;color:var(--muted);font-size:15px}
.faq-list{display:grid;gap:12px}
.faq-item{
  background:#fff;border:1px solid var(--line);
  border-radius:var(--r-md);overflow:hidden;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.faq-item:hover{border-color:rgba(226,58,46,.30);box-shadow:var(--sh1)}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:58px;padding:16px 22px;
  font-size:16px;font-weight:600;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-icon{position:relative;width:20px;height:20px;flex:0 0 20px}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;
  background:var(--c-primary);border-radius:2px;
  transition:transform .2s var(--ease),opacity .2s var(--ease);
}
.faq-icon::before{width:14px;height:2px;transform:translate(-50%,-50%)}
.faq-icon::after{width:2px;height:14px;transform:translate(-50%,-50%)}
.faq-item[open] .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0}
.faq-item[open] .faq-icon::before{transform:translate(-50%,-50%) rotate(180deg)}
.faq-body{padding:0 22px 22px;font-size:15px;line-height:1.8;color:var(--muted)}

/* ===== 转化 CTA 带 ===== */
.cta-band{
  background:
    radial-gradient(110% 130% at 8% 10%,rgba(226,58,46,.55),transparent 60%),
    radial-gradient(80% 90% at 100% 100%,rgba(18,194,160,.22),transparent 58%),
    var(--ink-deep);
  border-radius:var(--r-lg);
  padding:52px 32px;
  color:#fff;
  display:grid;gap:20px;
  box-shadow:var(--sh3);
}
@media (min-width:1024px){
  .cta-band{grid-template-columns:minmax(0,7fr) minmax(0,5fr);align-items:center;padding:60px 48px;gap:32px}
}
.cta-band h2{font-size:clamp(24px,3vw,34px);color:#fff}
.cta-band p{margin-top:14px;color:rgba(255,255,255,.74);font-size:16px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
@media (min-width:1024px){.cta-actions{justify-content:flex-end}}
.cta-note{font-size:13px;color:rgba(255,255,255,.55);margin-top:4px}
@media (min-width:1024px){.cta-note{grid-column:1 / -1;text-align:right}}

/* ===== 页脚 ===== */
.site-footer{
  margin-top:88px;
  background:var(--bg-alt);
  border-top:1px solid var(--line);
  padding:64px 0 28px;
}
.footer-grid{display:grid;gap:32px;grid-template-columns:1fr}
@media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand strong{font-size:17px;font-weight:800}
.footer-col p{font-size:14px;color:var(--muted);max-width:300px}
.footer-col h4{font-size:15px;font-weight:700;margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14px;color:var(--muted)}
.footer-col a:hover{color:var(--c-primary-deep)}
.footer-bottom{
  margin-top:40px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:var(--muted);
}

/* ===== 浮动 CTA ===== */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:60;
  display:inline-flex;align-items:center;gap:8px;
  height:52px;padding:0 24px;
  border-radius:var(--r-pill);
  background:var(--grad-brand);color:#fff;
  font-size:15px;font-weight:700;
  box-shadow:var(--sh2);
  opacity:0;transform:translateY(12px);pointer-events:none;
  transition:opacity .24s var(--ease),transform .24s var(--ease),box-shadow .18s var(--ease);
}
.float-cta.is-visible{opacity:1;transform:none;pointer-events:auto}
.float-cta:hover{transform:translateY(-3px);box-shadow:var(--sh3)}

/* ===== 响应式 ===== */
@media (max-width:1023px){
  .search{display:none}
  .brandbar-right .link-quiet,.brandbar-right .btn{display:none}
  .nav-toggle{display:inline-flex}
  .section{padding:64px 0}
  .page-hero{padding:32px 0 0}
  .page-banner{aspect-ratio:16/9;min-height:220px}
  .page-banner-inner{padding:24px}
  .panel-quick{padding:26px}
  .site-footer{margin-top:64px;padding-top:48px}
}
@media (max-width:767px){
  body{font-size:15.5px}
  .section{padding:48px 0}
  .page-banner{aspect-ratio:4/3;border-radius:var(--r-md)}
  .page-hero h1{font-size:28px}
  .page-hero-sub{font-size:16px}
  .dark-band{padding:40px 22px;border-radius:var(--r-md)}
  .cta-band{padding:38px 22px;border-radius:var(--r-md)}
  .float-cta{
    right:16px;left:16px;bottom:14px;
    justify-content:center;height:52px;
  }
  .site-footer{padding-bottom:96px}
  .channel.is-active::after{display:none}
}
@media (max-width:520px){
  .container{padding:0 18px}
  .logo-text em{display:none}
  .badge-row{gap:8px}
  .page-banner-inner h2{font-size:19px}
  .page-banner-inner p{font-size:14px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
  .btn:hover,.flow-card:hover,.quick-list li:hover,.dark-item:hover{transform:none}
}

/* roulang page: category3 */
:root{
  --c-primary:#E23A2E;
  --c-primary-deep:#B32619;
  --c-primary-2:#FF8A3D;
  --c-accent:#12C2A0;
  --c-gold:#FFC53D;
  --bg:#FFF7F2;
  --bg-alt:#FFF1E8;
  --ink-deep:#1C1412;
  --ink:#241A17;
  --muted:#7A6862;
  --line:rgba(36,26,23,.10);
  --grad-brand:linear-gradient(135deg,#E23A2E 0%,#FF8A3D 100%);
  --r-sm:12px;
  --r-md:20px;
  --r-lg:28px;
  --r-pill:999px;
  --sh1:0 1px 2px rgba(28,20,18,.06);
  --sh2:0 8px 24px -8px rgba(226,58,46,.18);
  --sh3:0 20px 48px -16px rgba(28,20,18,.24);
  --ease:cubic-bezier(.2,.7,.3,1);
  --container:1200px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Helvetica Neue",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color .18s var(--ease);}
a:hover{color:var(--c-primary);}
button,input{font:inherit;color:inherit;}
button{cursor:pointer;border:none;background:none;}
h1,h2,h3,h4{margin:0;line-height:1.25;letter-spacing:0;color:var(--ink-deep);}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:6px;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
@media (min-width:1024px){.container{padding:0 32px;}}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,247,242,.94);
  backdrop-filter:saturate(150%) blur(10px);
  -webkit-backdrop-filter:saturate(150%) blur(10px);
  border-bottom:1px solid var(--line);
}
.brandbar{display:flex;align-items:center;gap:24px;height:72px;}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:40px;height:40px;border-radius:14px;
  background:var(--grad-brand);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:20px;font-weight:800;
  box-shadow:var(--sh2);
}
.logo-text{display:flex;flex-direction:column;line-height:1.15;}
.logo-text strong{font-size:18px;font-weight:800;color:var(--ink-deep);}
.logo-text em{font-style:normal;font-size:12px;color:var(--muted);letter-spacing:.5px;}

.search{
  flex:1;max-width:420px;
  display:flex;align-items:center;gap:8px;
  background:#fff1e8;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  padding:0 6px 0 14px;
  height:44px;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.search:focus-within{border-color:var(--c-accent);box-shadow:0 0 0 3px rgba(18,194,160,.16);}
.search input{
  flex:1;border:none;background:transparent;outline:none;
  font-size:14px;color:var(--ink);min-width:0;
}
.search input::placeholder{color:var(--muted);}
.search button{
  height:34px;padding:0 16px;border-radius:var(--r-pill);
  background:var(--grad-brand);color:#fff;font-size:13px;font-weight:700;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease);
}
.search button:hover{transform:translateY(-2px);box-shadow:var(--sh2);}

.brandbar-right{display:flex;align-items:center;gap:18px;margin-left:auto;}
.link-quiet{font-size:14px;color:var(--muted);}
.link-quiet:hover{color:var(--c-primary);}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;letter-spacing:.2px;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:var(--sh2);}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 14px 32px -12px rgba(226,58,46,.45);}
.btn-ghost{border:1.5px solid var(--c-primary);color:var(--c-primary-deep);background:transparent;}
.btn-ghost:hover{background:rgba(226,58,46,.08);color:var(--c-primary-deep);}
.btn-light{border:1.5px solid rgba(255,255,255,.7);color:#fff;}
.btn-light:hover{background:rgba(255,255,255,.12);color:#fff;transform:translateY(-2px);}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}
.btn:active{transform:scale(.98);}

.nav-toggle{
  display:none;width:44px;height:44px;border-radius:14px;
  border:1px solid var(--line);align-items:center;justify-content:center;
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  display:block;width:18px;height:2px;background:var(--ink-deep);border-radius:2px;position:relative;
  transition:transform .18s var(--ease);
}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

.channelbar-wrap{
  display:flex;align-items:center;gap:16px;
  border-top:1px solid var(--line);
  min-height:54px;
}
.channelbar{
  display:flex;align-items:center;gap:8px;
  overflow-x:auto;scroll-snap-type:x proximity;
  padding:8px 0;
  -ms-overflow-style:none;scrollbar-width:none;
}
.channelbar::-webkit-scrollbar{display:none;}
.channel{
  flex:0 0 auto;scroll-snap-align:start;
  padding:8px 18px;border-radius:var(--r-pill);
  font-size:14px;font-weight:600;color:var(--ink);
  background:#fff1e8;border:1px solid transparent;
  transition:all .18s var(--ease);
  white-space:nowrap;
}
.channel:hover{border-color:var(--c-accent);color:var(--c-primary-deep);}
.channel.is-active{
  background:var(--grad-brand);color:#fff;
  box-shadow:0 8px 20px -10px rgba(226,58,46,.55);
}
.channel.is-active:hover{color:#fff;}

.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 12px;border-radius:var(--r-pill);
  font-size:12px;font-weight:700;letter-spacing:.3px;
  background:rgba(226,58,46,.10);color:var(--c-primary-deep);
}
.badge-accent{background:rgba(18,194,160,.12);color:#0d8a72;}
.badge-live{white-space:nowrap;}
.badge-gold{background:rgba(255,197,61,.20);color:#8a6100;}

/* ---------- Hero ---------- */
.page-hero{position:relative;padding:48px 0 0;}
.hero-banner{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  min-height:300px;
  display:flex;align-items:center;
  box-shadow:var(--sh3);
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
}
.hero-banner::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(28,20,18,.90) 0%,rgba(179,38,25,.72) 46%,rgba(226,58,46,.30) 100%);
}
.hero-banner-inner{position:relative;z-index:2;padding:44px 40px;max-width:760px;}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:16px;}
.crumb a:hover{color:#fff;}
.hero-banner h1{
  color:#fff;
  font-size:clamp(32px,5vw,56px);
  font-weight:800;
  letter-spacing:0;
}
.hero-banner h1 span{color:var(--c-gold);}
.hero-sub{
  margin-top:16px;font-size:17px;line-height:1.8;
  color:rgba(255,255,255,.86);max-width:660px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}

.stat-row{
  display:grid;grid-template-columns:repeat(4,1fr);gap:16px;
  margin-top:-32px;position:relative;z-index:3;padding:0 28px;
}
.stat-card{
  background:#fff;border-radius:var(--r-md);
  border:1px solid var(--line);box-shadow:var(--sh1);
  padding:18px 20px;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease);
}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--sh2);border-color:rgba(226,58,46,.3);}
.stat-num{
  font-family:"Oswald","Barlow Condensed",ui-monospace,monospace;
  font-size:30px;font-weight:700;line-height:1.2;
  background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat-num small{font-size:14px;font-weight:700;margin-left:2px;color:var(--c-primary-2);-webkit-text-fill-color:var(--c-primary-2);}
.stat-label{font-size:13px;color:var(--muted);margin-top:4px;}

/* ---------- Section ---------- */
.section{padding:88px 0;}
.section-alt{background:var(--bg-alt);}
@media (max-width:1024px){.section{padding:64px 0;}}
@media (max-width:520px){.section{padding:48px 0;}}

.section-head{max-width:760px;margin-bottom:44px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:1.2px;
  color:var(--c-primary-deep);text-transform:uppercase;
  margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--grad-brand);}
.section-head h2{font-size:clamp(24px,3.2vw,34px);font-weight:700;}
.section-head p{margin-top:14px;color:var(--muted);font-size:16px;}

/* ---------- Cards ---------- */
.card{
  position:relative;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-md);box-shadow:var(--sh1);overflow:hidden;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:var(--grad-brand);transform:scaleX(0);transform-origin:left;
  transition:transform .22s var(--ease);z-index:3;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh2);border-color:rgba(226,58,46,.3);}
.card:hover::before{transform:scaleX(1);}
.card-media{position:relative;overflow:hidden;aspect-ratio:16/9;background:var(--grad-brand);}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease);}
.card:hover .card-media img{transform:scale(1.04);}
.card-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(28,20,18,0) 40%,rgba(28,20,18,.55) 100%);
}
.card-body{padding:22px 24px 26px;}
.card-tag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:var(--r-pill);font-size:12px;font-weight:700;
  background:rgba(226,58,46,.10);color:var(--c-primary-deep);margin-bottom:12px;
}
.card-body h3{font-size:20px;font-weight:600;margin-bottom:10px;}
.card-body p{font-size:14px;color:var(--muted);line-height:1.8;}
.card-meta{display:flex;align-items:center;gap:12px;margin-top:16px;font-size:13px;color:var(--muted);}
.card-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--line);}

/* feature 错落布局 */
.feature-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px;}
.feature-grid .card:nth-child(2){margin-top:36px;}
.card-lg .card-media{aspect-ratio:4/3;}
.card-lg .card-body{padding:26px 28px 30px;}
.card-lg .card-body h3{font-size:24px;}

.mini-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:32px;}
.mini-grid .card:nth-child(2){margin-top:28px;}
.mini-grid .card:nth-child(3){margin-top:14px;}

@media (max-width:1024px){
  .feature-grid{grid-template-columns:1fr;gap:24px;}
  .feature-grid .card:nth-child(2){margin-top:0;}
  .mini-grid{grid-template-columns:repeat(2,1fr);}
  .mini-grid .card:nth-child(n){margin-top:0;}
}
@media (max-width:520px){
  .mini-grid{grid-template-columns:1fr;}
}

/* ---------- 日历 / 清单 ---------- */
.split{display:grid;grid-template-columns:1.15fr .85fr;gap:32px;align-items:start;}
@media (max-width:1024px){.split{grid-template-columns:1fr;}}

.timeline{position:relative;padding-left:28px;}
.timeline::before{
  content:"";position:absolute;left:7px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,var(--c-primary),var(--c-primary-2),rgba(18,194,160,.5));
  border-radius:2px;
}
.tl-item{position:relative;padding:0 0 26px 8px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:-28px;top:8px;width:16px;height:16px;border-radius:50%;
  background:#fff;border:3px solid var(--c-primary);box-shadow:0 0 0 4px rgba(226,58,46,.10);
}
.tl-item h3{font-size:18px;font-weight:600;display:flex;align-items:center;gap:10px;}
.tl-item p{font-size:14px;color:var(--muted);margin-top:6px;}

.list-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:8px 24px;box-shadow:var(--sh1);}
.list-row{
  display:flex;align-items:flex-start;gap:14px;
  padding:18px 0;border-bottom:1px dashed var(--line);
}
.list-row:last-child{border-bottom:none;}
.list-ico{
  flex:0 0 36px;width:36px;height:36px;border-radius:12px;
  background:rgba(18,194,160,.12);color:#0d8a72;
  display:flex;align-items:center;justify-content:center;
}
.list-row h4{font-size:16px;font-weight:600;margin-bottom:4px;}
.list-row p{font-size:13px;color:var(--muted);line-height:1.75;}

.note-card{
  background:var(--ink-deep);color:rgba(255,255,255,.85);
  border-radius:var(--r-lg);padding:30px 28px;position:relative;overflow:hidden;
}
.note-card::after{
  content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;border-radius:50%;
  background:radial-gradient(circle,rgba(226,58,46,.55),rgba(226,58,46,0) 68%);
}
.note-card h3{color:#fff;font-size:20px;position:relative;z-index:2;}
.note-card p{font-size:14px;margin-top:12px;position:relative;z-index:2;color:rgba(255,255,255,.78);}
.note-card .badge{margin-top:18px;position:relative;z-index:2;}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:4fr 8fr;gap:40px;}
@media (max-width:1024px){.faq-layout{grid-template-columns:1fr;gap:24px;}}
.faq-aside{position:sticky;top:150px;align-self:start;}
@media (max-width:1024px){.faq-aside{position:static;}}
.faq-aside h2{font-size:clamp(24px,3vw,32px);}
.faq-aside p{margin-top:14px;color:var(--muted);font-size:15px;}

.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  margin-bottom:14px;overflow:hidden;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.faq-item:hover{border-color:rgba(226,58,46,.3);}
.faq-item.is-open{box-shadow:var(--sh2);border-color:rgba(226,58,46,.28);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;text-align:left;font-size:16px;font-weight:600;color:var(--ink-deep);
  min-height:56px;
}
.faq-q .plus{
  flex:0 0 26px;width:26px;height:26px;border-radius:50%;
  border:1.5px solid var(--line);position:relative;
  transition:transform .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease);
}
.faq-q .plus::before,.faq-q .plus::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--c-primary);
  transform:translate(-50%,-50%);border-radius:2px;transition:background .2s var(--ease);
}
.faq-q .plus::before{width:12px;height:1.5px;}
.faq-q .plus::after{width:1.5px;height:12px;}
.faq-item.is-open .faq-q .plus{transform:rotate(45deg);border-color:var(--c-primary);background:rgba(226,58,46,.08);}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .28s var(--ease);
}
.faq-a p{padding:0 24px 22px;font-size:15px;line-height:1.8;color:var(--muted);}

/* ---------- CTA band ---------- */
.cta-band{padding:0 0 88px;}
@media (max-width:520px){.cta-band{padding-bottom:48px;}}
.cta-inner{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  background:var(--ink-deep);color:#fff;
  padding:52px 44px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-inner::before{
  content:"";position:absolute;left:-80px;top:-140px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(226,58,46,.55),rgba(226,58,46,0) 70%);
}
.cta-inner::after{
  content:"";position:absolute;right:0;top:0;bottom:0;width:3px;background:var(--c-accent);opacity:.6;
}
.cta-text{position:relative;z-index:2;max-width:620px;}
.cta-text h2{color:#fff;font-size:clamp(22px,2.8vw,30px);}
.cta-text p{margin-top:12px;color:rgba(255,255,255,.8);font-size:15px;}
.cta-actions{position:relative;z-index:2;display:flex;flex-direction:column;gap:10px;align-items:flex-start;}
.cta-actions small{font-size:12.5px;color:rgba(255,255,255,.6);}

/* ---------- 返回 ---------- */
.back-row{display:flex;justify-content:center;padding:0 0 88px;}
.back-link{
  display:inline-flex;align-items:center;gap:10px;
  padding:14px 26px;border-radius:var(--r-pill);
  border:1.5px solid var(--line);background:#fff;font-size:14px;font-weight:600;
  box-shadow:var(--sh1);
  transition:all .18s var(--ease);
}
.back-link:hover{border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-2px);box-shadow:var(--sh2);}

/* ---------- Footer ---------- */
.site-footer{background:var(--bg-alt);border-top:1px solid var(--line);padding:64px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;}
@media (max-width:1024px){.footer-grid{grid-template-columns:1fr 1fr;}}
@media (max-width:520px){.footer-grid{grid-template-columns:1fr;}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand strong{font-size:17px;color:var(--ink-deep);}
.footer-col p{font-size:14px;color:var(--muted);}
.footer-col h4{font-size:15px;font-weight:700;margin-bottom:16px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul a{font-size:14px;color:var(--muted);}
.footer-col ul a:hover{color:var(--c-primary);}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:var(--muted);
}

/* ---------- Float CTA ---------- */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:50;
  display:inline-flex;align-items:center;gap:10px;
  padding:14px 24px;border-radius:var(--r-pill);
  background:var(--grad-brand);color:#fff;font-size:14px;font-weight:700;
  box-shadow:var(--sh2);
  opacity:0;transform:translateY(12px);pointer-events:none;
  transition:opacity .25s var(--ease),transform .25s var(--ease),box-shadow .2s var(--ease);
}
.float-cta.is-visible{opacity:1;transform:translateY(0);pointer-events:auto;}
.float-cta:hover{color:#fff;transform:translateY(-3px);box-shadow:0 18px 38px -14px rgba(226,58,46,.55);}
@media (max-width:520px){
  .float-cta{left:16px;right:16px;bottom:16px;justify-content:center;padding:15px 20px;}
}

/* ---------- Mobile nav ---------- */
@media (max-width:1024px){
  .search{display:none;}
  .link-quiet{display:none;}
  .brandbar{height:64px;}
  .nav-toggle{display:flex;}
  .channelbar-wrap{border-top:none;min-height:auto;}
  .channelbar{padding:0 0 12px;}
  .badge-live{display:none;}
}
@media (max-width:1024px){
  .site-header.nav-open .channelbar{display:none;}
}

/* ---------- Motion ---------- */
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition-duration:.01ms!important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category2 */
/* ============ 设计变量 ============ */
:root{
  --c-primary:#E23A2E;
  --c-primary-deep:#B32619;
  --c-primary-2:#FF8A3D;
  --c-accent:#12C2A0;
  --c-accent-deep:#0B9980;
  --c-gold:#FFC53D;
  --bg:#FFF7F2;
  --bg-alt:#FFF1E8;
  --ink-deep:#1C1412;
  --ink:#241A17;
  --muted:#7A6862;
  --line:rgba(36,26,23,.10);
  --line-strong:rgba(36,26,23,.18);
  --r-sm:12px;
  --r-md:20px;
  --r-lg:28px;
  --r-pill:999px;
  --sh1:0 1px 2px rgba(28,20,18,.06);
  --sh2:0 8px 24px -8px rgba(226,58,46,.18);
  --sh3:0 20px 48px -16px rgba(28,20,18,.24);
  --grad-brand:linear-gradient(135deg,#E23A2E 0%,#FF8A3D 100%);
  --grad-brand-soft:linear-gradient(135deg,rgba(226,58,46,.10),rgba(255,138,61,.12));
  --ease:cubic-bezier(.2,.7,.3,1);
  --sp-4:4px; --sp-8:8px; --sp-12:12px; --sp-16:16px; --sp-24:24px;
  --sp-32:32px; --sp-48:48px; --sp-64:64px; --sp-96:96px;
}
/* ============ reset / base ============ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:132px}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.85;color:var(--ink);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--c-accent-deep);text-decoration:none;transition:color .18s var(--ease),border-color .18s var(--ease),background-color .18s var(--ease)}
a:hover{color:var(--c-primary)}
h1,h2,h3,h4{margin:0;line-height:1.25;letter-spacing:0;font-weight:700;color:var(--ink)}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button,input{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:6px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media(min-width:1024px){.container{padding:0 32px}}
.num{font-family:"Barlow Condensed","Oswald","DIN Alternate",ui-monospace,"Menlo",monospace;font-variant-numeric:tabular-nums;letter-spacing:.02em}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(255,247,242,.92);
  backdrop-filter:saturate(140%) blur(10px);
  -webkit-backdrop-filter:saturate(140%) blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s var(--ease);
}
.site-header.is-stuck{box-shadow:0 10px 30px -20px rgba(28,20,18,.35)}
.brandbar{display:flex;align-items:center;gap:var(--sp-24);min-height:68px;transition:min-height .2s var(--ease)}
.site-header.is-stuck .brandbar{min-height:58px}
.logo{display:flex;align-items:center;gap:10px;flex:none}
.logo-mark{
  width:38px;height:38px;border-radius:12px;background:var(--grad-brand);color:#fff;
  display:grid;place-items:center;font-weight:800;font-size:18px;box-shadow:var(--sh2);flex:none;
}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text strong{font-size:17px;font-weight:800;color:var(--ink);letter-spacing:.06em}
.logo-text em{font-style:normal;font-size:12px;color:var(--muted);letter-spacing:.14em}
.search{
  display:flex;align-items:center;gap:8px;flex:1;max-width:420px;
  background:#fff;border:1px solid var(--line-strong);border-radius:var(--r-pill);
  padding:0 6px 0 14px;height:42px;transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.search:focus-within{border-color:var(--c-accent);box-shadow:0 0 0 3px rgba(18,194,160,.16)}
.search input{flex:1;border:0;outline:none;background:transparent;font-size:14px;min-width:0}
.search input::placeholder{color:#B09C95}
.search button{
  height:32px;padding:0 14px;border-radius:var(--r-pill);background:var(--grad-brand);
  color:#fff;font-size:13px;font-weight:700;transition:transform .16s var(--ease),opacity .16s var(--ease);
}
.search button:hover{opacity:.92}
.search button:active{transform:scale(.97)}
.brandbar-right{display:flex;align-items:center;gap:var(--sp-16);margin-left:auto}
.link-quiet{font-size:14px;color:var(--muted);font-weight:500}
.link-quiet:hover{color:var(--c-primary)}
.nav-toggle{display:none;width:44px;height:44px;border-radius:14px;border:1px solid var(--line-strong);place-items:center}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.channelbar-wrap{display:flex;align-items:center;gap:var(--sp-16);border-top:1px solid var(--line);padding:8px 0 10px}
.channelbar{display:flex;align-items:center;gap:8px;overflow-x:auto;scroll-snap-type:x proximity;padding-bottom:2px;-ms-overflow-style:none;scrollbar-width:none}
.channelbar::-webkit-scrollbar{display:none}
.channel{
  position:relative;flex:none;scroll-snap-align:start;
  padding:9px 16px;border-radius:var(--r-pill);font-size:14px;font-weight:600;color:var(--ink);
  background:var(--bg-alt);border:1px solid transparent;white-space:nowrap;
  transition:all .18s var(--ease);
}
.channel:hover{border-color:var(--c-accent);color:var(--c-accent-deep);background:#fff}
.channel.is-active{background:var(--grad-brand);color:#fff;box-shadow:var(--sh2)}
.channel.is-active::after{
  content:"";position:absolute;left:50%;transform:translateX(-50%);bottom:-9px;
  width:22px;height:2px;border-radius:2px;background:var(--c-primary);
}
.badge{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:var(--r-pill);
  font-size:12px;font-weight:700;letter-spacing:.02em;white-space:nowrap;
}
.badge-accent{background:rgba(18,194,160,.12);color:var(--c-accent-deep);border:1px solid rgba(18,194,160,.28)}
.badge-live::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-accent);box-shadow:0 0 0 3px rgba(18,194,160,.18)}
.badge-soft{background:var(--bg-alt);color:var(--c-primary);border:1px solid rgba(226,58,46,.18)}
.badge-gold{background:rgba(255,197,61,.22);color:#8A5A00;border:1px solid rgba(255,197,61,.5)}

/* 移动端抽屉 */
.drawer{
  position:fixed;inset:0;z-index:200;background:rgba(28,20,18,.45);
  opacity:0;visibility:hidden;transition:opacity .22s var(--ease),visibility .22s var(--ease);
}
.drawer.is-open{opacity:1;visibility:visible}
.drawer-panel{
  position:absolute;right:0;top:0;height:100%;width:min(88vw,380px);background:var(--bg);
  padding:22px;display:flex;flex-direction:column;gap:18px;overflow-y:auto;
  transform:translateX(100%);transition:transform .26s var(--ease);
}
.drawer.is-open .drawer-panel{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.drawer-close{width:40px;height:40px;border-radius:12px;border:1px solid var(--line-strong);font-size:18px;color:var(--muted);display:grid;place-items:center}
.drawer-nav{display:flex;flex-direction:column;gap:8px}
.drawer-nav a{padding:13px 14px;border-radius:var(--r-sm);background:#fff;border:1px solid var(--line);font-size:15px;font-weight:600;color:var(--ink)}
.drawer-nav a.is-active{background:var(--grad-brand);color:#fff;border-color:transparent}
.drawer-foot{margin-top:auto;display:flex;flex-direction:column;gap:10px}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);font-size:15px;font-weight:700;
  border:1.5px solid transparent;white-space:nowrap;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background-color .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.btn:active{transform:scale(.98)}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:var(--sh2)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 30px -12px rgba(226,58,46,.5);color:#fff}
.btn-outline{border-color:var(--c-primary);color:var(--c-primary-deep);background:transparent}
.btn-outline:hover{background:rgba(226,58,46,.08);transform:translateY(-2px);color:var(--c-primary-deep)}
.btn-ghost{border-color:rgba(255,255,255,.6);color:#fff;background:transparent}
.btn-ghost:hover{background:rgba(255,255,255,.14);transform:translateY(-2px);color:#fff}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn:disabled{opacity:.4;pointer-events:none}

/* ============ Hero 横幅 ============ */
.hero{padding:28px 0 0}
.hero-banner{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  background-image:url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;
  min-height:clamp(360px,34vw,470px);
  display:flex;align-items:center;
  box-shadow:var(--sh3);
}
.hero-banner::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(28,20,18,.90) 0%,rgba(28,20,18,.74) 42%,rgba(226,58,46,.30) 78%,rgba(255,138,61,.18) 100%);
}
.hero-banner::after{
  content:"";position:absolute;right:-80px;top:-80px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,138,61,.34),transparent 68%);
}
.hero-inner{position:relative;z-index:2;padding:44px 40px;max-width:760px}
.hero-chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px}
.hero-chips .chip{
  display:inline-flex;align-items:center;height:28px;padding:0 13px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;color:#FFE3D6;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.24);
}
.hero-chips .chip.is-on{background:var(--grad-brand);color:#fff;border-color:transparent;box-shadow:var(--sh2)}
.hero h1{
  font-size:clamp(32px,5vw,56px);font-weight:800;color:#fff;letter-spacing:0;margin-bottom:16px;
}
.hero h1 span{color:var(--c-gold)}
.hero-sub{font-size:17px;line-height:1.8;color:rgba(255,247,242,.86);max-width:640px;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.hero-note{margin-top:18px;font-size:13px;color:rgba(255,247,242,.62)}

/* 数据徽章条 */
.stats{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.stat-pill{
  display:inline-flex;align-items:center;gap:10px;
  padding:10px 18px;border-radius:var(--r-pill);background:#fff;border:1px solid var(--line);
  box-shadow:var(--sh1);
}
.stat-pill b{font-size:22px;font-weight:800;color:var(--c-primary);line-height:1}
.stat-pill em{font-style:normal;font-size:13px;color:var(--muted)}
.stat-pill.is-dark{background:var(--ink-deep);border-color:transparent}
.stat-pill.is-dark b{color:var(--c-gold)}
.stat-pill.is-dark em{color:rgba(255,247,242,.72)}

/* ============ 板块通用 ============ */
.section{padding:88px 0}
.section.alt{background:var(--bg-alt)}
.section.dark{background:var(--ink-deep);color:#fff}
.section.dark h2,.section.dark h3{color:#fff}
.section.dark p{color:rgba(255,247,242,.78)}
.section-head{max-width:760px;margin-bottom:44px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.08em;
  color:var(--c-primary);text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--grad-brand)}
.section h2{font-size:clamp(26px,3.2vw,36px);margin-bottom:14px}
.section-sub{font-size:16px;color:var(--muted);max-width:720px}
.section.dark .section-sub{color:rgba(255,247,242,.72)}
.section-head.split{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;max-width:none}
.section-head.split .more{font-size:14px;font-weight:700;color:var(--c-primary);display:inline-flex;align-items:center;gap:6px;flex:none}
.section-head.split .more:hover{color:var(--c-primary-deep)}

/* ============ 卡片 ============ */
.card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh1);overflow:hidden;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--grad-brand);
  opacity:0;transition:opacity .2s var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh3);border-color:rgba(226,58,46,.30)}
.card:hover::before{opacity:1}
.card-media{aspect-ratio:16/9;position:relative;overflow:hidden;background:var(--grad-brand-soft)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease)}
.card:hover .card-media img{transform:scale(1.04)}
.card-media .mask{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(28,20,18,0) 40%,rgba(28,20,18,.62) 100%);
}
.card-media .tag{
  position:absolute;left:14px;top:14px;height:26px;padding:0 12px;border-radius:var(--r-pill);
  background:rgba(255,247,242,.94);color:var(--c-primary);font-size:12px;font-weight:700;
  display:inline-flex;align-items:center;
}
.card-body{padding:22px}
.card-body h3{font-size:20px;margin-bottom:10px}
.card-body p{font-size:14.5px;color:var(--muted);line-height:1.8}
.card-meta{display:flex;align-items:center;gap:12px;margin-top:16px;font-size:13px;color:var(--muted)}
.card-link{margin-top:16px;display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--c-accent-deep)}
.card-link:hover{color:var(--c-primary)}
.card-link::after{content:"→";transition:transform .18s var(--ease)}
.card-link:hover::after{transform:translateX(3px)}

/* ============ 频道速览（大卡 + 条目流） ============ */
.overview{display:grid;grid-template-columns:1.15fr 1fr;gap:28px;align-items:start}
.overview-feature{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh3);background:var(--ink-deep);min-height:100%}
.overview-feature img{width:100%;height:100%;min-height:340px;object-fit:cover;opacity:.62}
.overview-feature .ov-body{
  position:absolute;inset:auto 0 0 0;padding:28px;
  background:linear-gradient(180deg,rgba(28,20,18,0) 0%,rgba(28,20,18,.88) 62%);
}
.overview-feature .ov-body h3{font-size:24px;color:#fff;margin-bottom:10px}
.overview-feature .ov-body p{font-size:14.5px;color:rgba(255,247,242,.80)}
.ov-num{
  position:absolute;left:22px;top:22px;width:52px;height:52px;border-radius:16px;
  background:rgba(255,247,242,.94);color:var(--c-primary);display:grid;place-items:center;
  font-weight:800;font-size:20px;box-shadow:var(--sh2);
}
.flow-list{display:flex;flex-direction:column;gap:14px}
.flow-item{
  display:flex;gap:16px;align-items:flex-start;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-md);padding:20px;box-shadow:var(--sh1);
  transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.flow-item:hover{transform:translateY(-3px);border-color:rgba(226,58,46,.30);box-shadow:var(--sh2)}
.flow-icon{
  width:44px;height:44px;border-radius:14px;flex:none;display:grid;place-items:center;
  background:var(--grad-brand-soft);color:var(--c-primary);
}
.flow-item h3{font-size:17px;margin-bottom:6px}
.flow-item p{font-size:14px;color:var(--muted)}

/* ============ 时间线（分类页2 主版式） ============ */
.timeline{position:relative;padding:10px 0}
.timeline::before{
  content:"";position:absolute;left:50%;top:0;bottom:0;width:2px;transform:translateX(-1px);
  background:linear-gradient(180deg,rgba(226,58,46,.08),rgba(226,58,46,.42) 30%,rgba(18,194,160,.34) 82%,rgba(18,194,160,.05));
}
.tl-item{display:grid;grid-template-columns:1fr 96px 1fr;align-items:center;margin-bottom:26px}
.tl-item:last-child{margin-bottom:0}
.tl-card{
  grid-column:1;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px;box-shadow:var(--sh1);position:relative;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.tl-card:hover{transform:translateY(-4px);box-shadow:var(--sh3);border-color:rgba(226,58,46,.28)}
.tl-item--right .tl-card{grid-column:3}
.tl-card h3{font-size:20px;margin-bottom:10px}
.tl-card p{font-size:14.5px;color:var(--muted)}
.tl-card .tl-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.tl-card .tl-tags span{
  font-size:12.5px;font-weight:600;color:var(--c-accent-deep);background:rgba(18,194,160,.10);
  border:1px solid rgba(18,194,160,.24);border-radius:var(--r-pill);padding:4px 12px;
}
.tl-node{
  grid-column:2;justify-self:center;width:56px;height:56px;border-radius:50%;
  background:#fff;border:2px solid rgba(226,58,46,.28);display:grid;place-items:center;
  font-weight:800;font-size:18px;color:var(--c-primary);box-shadow:var(--sh2);z-index:2;
  font-family:"Barlow Condensed",ui-monospace,monospace;
}
.tl-item--right .tl-node{border-color:rgba(18,194,160,.40);color:var(--c-accent-deep)}

/* ============ 场景图文 ============ */
.scenes{display:flex;flex-direction:column;gap:32px}
.scene{
  display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px;box-shadow:var(--sh1);
}
.scene.reverse .scene-media{order:2}
.scene-media{border-radius:var(--r-md);overflow:hidden;aspect-ratio:4/3;background:var(--grad-brand-soft)}
.scene-media img{width:100%;height:100%;object-fit:cover}
.scene-text h3{font-size:22px;margin-bottom:12px}
.scene-text p{font-size:15px;color:var(--muted);margin-bottom:14px}
.scene-text ul{display:flex;flex-direction:column;gap:8px}
.scene-text li{position:relative;padding-left:20px;font-size:14.5px;color:var(--ink)}
.scene-text li::before{
  content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:50%;
  background:var(--grad-brand);
}

/* ============ 证据区 ============ */
.proof-grid{display:grid;grid-template-columns:1.3fr 1fr;gap:24px;align-items:stretch}
.quote{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:28px;
  box-shadow:var(--sh1);display:flex;flex-direction:column;gap:16px;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.quote:hover{transform:translateY(-4px);box-shadow:var(--sh3);border-color:rgba(226,58,46,.24)}
.quote p{font-size:16px;line-height:1.85;color:var(--ink);margin:0}
.quote .who{display:flex;align-items:center;gap:12px;margin-top:auto}
.avatar{
  width:42px;height:42px;border-radius:50%;background:var(--grad-brand);color:#fff;
  display:grid;place-items:center;font-weight:800;font-size:16px;flex:none;
}
.who-info strong{display:block;font-size:14.5px}
.who-info span{font-size:13px;color:var(--muted)}
.quote.is-small{background:var(--bg-alt)}
.partner-row{
  display:flex;flex-wrap:wrap;gap:12px;margin-top:32px;padding-top:28px;border-top:1px dashed var(--line-strong);
}
.partner-row span{
  font-size:13px;color:var(--muted);background:#fff;border:1px solid var(--line);
  border-radius:var(--r-pill);padding:7px 16px;filter:grayscale(1);opacity:.86;
}

/* ============ FAQ ============ */
.faq-grid{display:grid;grid-template-columns:1fr 2fr;gap:48px;align-items:start}
.faq-side{position:sticky;top:150px}
.faq-side h2{font-size:clamp(24px,3vw,32px);margin-bottom:14px}
.faq-side p{font-size:14.5px;color:var(--muted);margin-bottom:20px}
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.faq-item:hover{border-color:rgba(226,58,46,.30)}
.faq-item.is-open{box-shadow:var(--sh2);border-color:rgba(226,58,46,.30)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:17px 22px;min-height:56px;text-align:left;font-size:16px;font-weight:600;color:var(--ink);
}
.faq-q .ico{
  width:26px;height:26px;flex:none;border-radius:50%;background:var(--bg-alt);color:var(--c-primary);
  display:grid;place-items:center;font-size:16px;font-weight:700;
  transition:transform .22s var(--ease),background-color .22s var(--ease),color .22s var(--ease);
}
.faq-item.is-open .faq-q .ico{transform:rotate(45deg);background:var(--grad-brand);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s var(--ease)}
.faq-a p{padding:0 22px 20px;font-size:15px;line-height:1.8;color:var(--muted)}

/* ============ CTA 带 ============ */
.cta-band{padding:0 0 88px}
.cta-inner{
  position:relative;overflow:hidden;border-radius:var(--r-lg);background:var(--ink-deep);
  padding:52px 40px;box-shadow:var(--sh3);
}
.cta-inner::before{
  content:"";position:absolute;left:-10%;top:-60%;width:70%;height:220%;
  background:radial-gradient(circle,rgba(226,58,46,.42),transparent 62%);
}
.cta-inner::after{
  content:"";position:absolute;right:0;top:0;width:1px;height:100%;
  background:linear-gradient(180deg,transparent,rgba(18,194,160,.55),transparent);
}
.cta-content{position:relative;z-index:2;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px}
.cta-content h2{font-size:clamp(24px,3vw,32px);color:#fff;margin-bottom:10px}
.cta-content p{font-size:15px;color:rgba(255,247,242,.76);max-width:560px}
.cta-note{position:relative;z-index:2;margin-top:20px;font-size:13px;color:rgba(255,247,242,.56)}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ============ 浮动 CTA ============ */
.float-cta{
  position:fixed;right:26px;bottom:26px;z-index:60;
  display:inline-flex;align-items:center;gap:8px;height:52px;padding:0 24px;border-radius:var(--r-pill);
  background:var(--grad-brand);color:#fff;font-size:15px;font-weight:700;box-shadow:var(--sh2);
  opacity:0;transform:translateY(14px);visibility:hidden;
  transition:opacity .3s var(--ease),transform .3s var(--ease),visibility .3s var(--ease),box-shadow .2s var(--ease);
}
.float-cta.is-show{opacity:1;transform:translateY(0);visibility:visible}
.float-cta:hover{color:#fff;transform:translateY(-3px);box-shadow:0 18px 34px -14px rgba(226,58,46,.6)}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink-deep);color:rgba(255,247,242,.74);padding:64px 0 28px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand strong{color:#fff;font-size:16px;font-weight:800;letter-spacing:.04em}
.footer-col p{font-size:14px;line-height:1.8;color:rgba(255,247,242,.66);max-width:300px}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:700}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{font-size:14px;color:rgba(255,247,242,.72)}
.footer-col a:hover{color:var(--c-gold)}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.10);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:rgba(255,247,242,.52);
}

/* ============ 响应式 ============ */
@media(max-width:1024px){
  .overview{grid-template-columns:1fr}
  .proof-grid{grid-template-columns:1fr}
  .faq-grid{grid-template-columns:1fr;gap:28px}
  .faq-side{position:static}
  .scene{grid-template-columns:1fr;gap:22px}
  .scene.reverse .scene-media{order:0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .section{padding:64px 0}
}
@media(max-width:768px){
  .search{display:none}
  .link-quiet{display:none}
  .nav-toggle{display:grid}
  .brandbar{gap:14px}
  .hero-inner{padding:32px 22px}
  .hero-banner{min-height:0}
  .timeline::before{left:27px}
  .tl-item{grid-template-columns:56px 1fr;gap:14px}
  .tl-item .tl-card{grid-column:2}
  .tl-node{grid-column:1;width:54px;height:54px;font-size:17px}
  .cta-inner{padding:34px 24px}
  .float-cta{right:14px;left:14px;bottom:14px;justify-content:center;height:52px}
}
@media(max-width:520px){
  .container{padding:0 18px}
  .section{padding:48px 0}
  .hero{padding:18px 0 0}
  .hero-chips .chip{font-size:12px;padding:0 10px}
  .hero h1{font-size:30px}
  .hero-sub{font-size:15px}
  .hero-actions .btn{width:100%}
  .stat-pill{padding:8px 14px}
  .stat-pill b{font-size:19px}
  .card-body{padding:18px}
  .scene{padding:18px;border-radius:var(--r-md)}
  .tl-card{padding:20px;border-radius:var(--r-md)}
  .cta-band{padding:0 0 64px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column}
  .float-cta{font-size:14px;height:48px}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  html{scroll-behavior:auto}
}