/* roulang page: index */
:root{
  --brand:#F04E23;
  --brand-2:#FF7A18;
  --brand-3:#E23A6B;
  --teal:#12A594;
  --amber:#FFB020;
  --ink:#1B1A1F;
  --ink-2:#6B6570;
  --line:#ECE6DE;
  --bg:#FBF7F2;
  --bg-alt:#F5F0E9;
  --white:#FFFFFF;
  --dark:#16141A;
  --grad:linear-gradient(135deg,#FF7A18 0%,#F04E23 52%,#E23A6B 100%);
  --r-xl:24px;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:14px;
  --pill:999px;
  --sh:0 10px 30px rgba(27,26,31,.08);
  --sh-hover:0 18px 44px rgba(240,78,35,.16);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button,input{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
h1,h2,h3,h4{line-height:1.25;font-weight:700;}
p{color:inherit;}
:focus-visible{outline:3px solid rgba(240,78,35,.35);outline-offset:2px;border-radius:6px;}
body.no-scroll{overflow:hidden;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.num{font-variant-numeric:tabular-nums;font-weight:800;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--pill);
  font-size:15px;font-weight:600;letter-spacing:.2px;
  border:1.5px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,filter .2s ease;
  white-space:nowrap;
}
.btn-primary{background-image:var(--grad);color:#fff;box-shadow:0 12px 26px rgba(240,78,35,.28);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 38px rgba(240,78,35,.36);filter:brightness(1.05);}
.btn-primary:active{transform:translateY(1px);box-shadow:0 8px 18px rgba(240,78,35,.28);}
.btn-outline{border-color:var(--brand);color:var(--brand);background:transparent;}
.btn-outline:hover{background:rgba(240,78,35,.08);transform:translateY(-2px);}
.btn-outline:active{transform:translateY(1px);}
.btn-ghost{border-color:rgba(255,255,255,.6);color:#fff;background:transparent;}
.btn-ghost:hover{background:rgba(255,255,255,.15);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{height:42px;padding:0 22px;font-size:14px;}
.btn[disabled],.btn.is-disabled{filter:saturate(.45);cursor:not-allowed;transform:none;}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:34px;padding:0 16px;border-radius:var(--pill);
  font-size:13px;font-weight:600;letter-spacing:.2px;
  background:rgba(240,78,35,.1);color:var(--brand);
}
.badge-grad{background-image:var(--grad);color:#fff;box-shadow:0 8px 18px rgba(240,78,35,.24);}
.badge-teal{background:rgba(18,165,148,.12);color:#0E8577;}
.badge-amber{background:rgba(255,176,32,.16);color:#9A6A00;}
.pill{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;
  border-radius:var(--pill);font-size:13px;font-weight:600;
  background:var(--bg-alt);color:var(--ink-2);
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:2px;color:var(--brand);
  text-transform:uppercase;
}
.eyebrow::before{content:"";width:22px;height:2px;background-image:var(--grad);border-radius:2px;}

/* ---------- 头部导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:90;
  color:#fff;border-bottom:1px solid transparent;
  transition:background-color .3s ease,color .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.site-header.is-scrolled{
  background:#fff;color:var(--ink);
  border-bottom-color:var(--line);
  box-shadow:0 8px 24px rgba(27,26,31,.07);
}
.nav-inner{display:flex;align-items:center;gap:18px;height:72px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:38px;height:38px;border-radius:13px;background-image:var(--grad);
  display:grid;place-items:center;color:#fff;flex-shrink:0;
  box-shadow:0 8px 18px rgba(240,78,35,.32);
}
.brand-mark svg{width:20px;height:20px;}
.brand-name{font-size:17px;font-weight:700;letter-spacing:.3px;white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:10px;}
.nav-links a{
  padding:9px 14px;font-size:15px;font-weight:500;border-radius:var(--pill);
  color:inherit;opacity:.88;white-space:nowrap;
  transition:background-color .2s ease,opacity .2s ease,color .2s ease;
}
.nav-links a:hover{opacity:1;background:rgba(255,255,255,.16);}
.site-header.is-scrolled .nav-links a:hover{background:var(--bg-alt);}
.nav-links a.is-active{
  opacity:1;background-image:var(--grad);color:#fff;
  box-shadow:0 8px 18px rgba(240,78,35,.28);
}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px;}
.nav-search{position:relative;display:flex;align-items:center;}
.nav-search svg{position:absolute;left:14px;width:16px;height:16px;opacity:.75;pointer-events:none;}
.nav-search input{
  width:186px;height:44px;border-radius:var(--pill);
  border:1px solid transparent;background:rgba(255,255,255,.16);
  color:inherit;padding:0 16px 0 40px;font-size:14px;
  transition:width .25s ease,background-color .25s ease,border-color .25s ease,color .25s ease;
}
.nav-search input::placeholder{color:rgba(255,255,255,.72);}
.site-header.is-scrolled .nav-search input{background:var(--bg-alt);border-color:var(--line);}
.site-header.is-scrolled .nav-search input::placeholder{color:var(--ink-2);}
.nav-search input:focus{
  width:216px;outline:none;border-color:var(--brand);
  background:#fff;color:var(--ink);box-shadow:0 0 0 3px rgba(240,78,35,.18);
}
.nav-actions{display:flex;align-items:center;gap:10px;}
.btn-line{
  display:inline-flex;align-items:center;height:44px;padding:0 20px;
  border-radius:var(--pill);border:1.5px solid rgba(255,255,255,.55);
  color:#fff;font-size:14px;font-weight:600;
  transition:background-color .2s ease,border-color .2s ease,color .2s ease,transform .2s ease;
}
.btn-line:hover{background:rgba(255,255,255,.15);transform:translateY(-1px);}
.site-header.is-scrolled .btn-line{border-color:var(--line);color:var(--ink);}
.site-header.is-scrolled .btn-line:hover{background:var(--bg-alt);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:13px;
  border:1px solid rgba(255,255,255,.45);background:transparent;
  cursor:pointer;align-items:center;justify-content:center;
}
.site-header.is-scrolled .nav-toggle{border-color:var(--line);}
.nav-toggle svg{width:20px;height:20px;}
.mobile-drawer{
  position:fixed;top:72px;left:0;right:0;bottom:0;z-index:80;
  background:#fff;padding:22px 24px 40px;
  display:none;flex-direction:column;gap:10px;overflow-y:auto;
}
.mobile-drawer.is-open{display:flex;}
.mobile-drawer a{
  display:flex;align-items:center;min-height:52px;padding:14px 18px;
  border-radius:var(--r-sm);font-size:17px;font-weight:600;
  background:var(--bg-alt);color:var(--ink);
}
.mobile-drawer a.is-active{background-image:var(--grad);color:#fff;}
.mobile-drawer .drawer-search{
  display:flex;align-items:center;gap:10px;height:52px;
  border-radius:var(--r-sm);background:var(--bg-alt);padding:0 16px;margin-bottom:6px;
}
.mobile-drawer .drawer-search input{flex:1;border:0;background:transparent;outline:none;font-size:15px;}
.mobile-drawer .drawer-actions{display:flex;flex-direction:column;gap:10px;margin-top:14px;}
.mobile-drawer .drawer-actions .btn{width:100%;}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--dark);color:#fff;padding:148px 0 92px;}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.32;}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(22,20,26,.94) 0%,rgba(22,20,26,.8) 46%,rgba(226,58,107,.4) 100%);
}
.hero-glow{
  position:absolute;width:560px;height:560px;right:-140px;top:-190px;border-radius:50%;
  background-image:var(--grad);filter:blur(130px);opacity:.42;
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.12fr .88fr;gap:52px;align-items:center;}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:34px;padding:0 16px;
  border-radius:var(--pill);border:1px solid rgba(255,255,255,.28);
  background:rgba(255,255,255,.08);font-size:13px;font-weight:600;letter-spacing:1px;
  color:rgba(255,255,255,.92);
}
.hero h1{font-size:48px;line-height:1.16;margin:22px 0 18px;letter-spacing:-.5px;}
.hero-sub{font-size:17px;color:rgba(255,255,255,.82);max-width:520px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:36px;}
.hero-badges .badge{
  height:40px;background:rgba(255,255,255,.1);color:#fff;
  border:1px solid rgba(255,255,255,.2);font-size:13.5px;
}
.hero-panel{
  background:rgba(255,255,255,.96);border-radius:var(--r-xl);
  padding:22px;color:var(--ink);box-shadow:0 30px 70px rgba(0,0,0,.35);
}
.hero-panel-cover{border-radius:var(--r-md);overflow:hidden;aspect-ratio:16/9;margin-bottom:20px;background:var(--bg-alt);}
.hero-panel-cover img{width:100%;height:100%;object-fit:cover;}
.hero-panel-head{display:flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--ink-2);}
.hero-panel-head .dot{width:8px;height:8px;border-radius:50%;background:var(--teal);box-shadow:0 0 0 4px rgba(18,165,148,.16);}
.stat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:18px;}
.stat{
  background:var(--bg);border:1px solid var(--line);border-radius:var(--r-md);
  padding:16px 18px;transition:transform .25s ease,box-shadow .25s ease;
}
.stat:hover{transform:translateY(-3px);box-shadow:var(--sh);}
.stat b{display:block;font-size:28px;line-height:1.2;background-image:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
.stat span{font-size:13px;color:var(--ink-2);}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0;}
.section-alt{background:var(--bg-alt);}
.section-dark{background:var(--dark);color:#fff;}
.section-head{max-width:760px;margin-bottom:52px;}
.section-head h2{font-size:34px;line-height:1.25;margin:16px 0 14px;}
.section-head p{color:var(--ink-2);font-size:16px;}
.section-dark .section-head p{color:rgba(255,255,255,.76);}
.section-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:48px;}
.section-head-row .section-head{margin-bottom:0;}
.link-more{font-size:15px;font-weight:600;color:var(--brand);white-space:nowrap;}
.link-more:hover{text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:4px;}

/* ---------- 流程步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.step{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);
  padding:28px 24px;transition:transform .25s ease,box-shadow .25s ease;
}
.step::after{
  content:"";position:absolute;top:48px;right:-24px;width:24px;
  border-top:2px dashed rgba(240,78,35,.35);
}
.step:last-child::after{display:none;}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.step-num{
  display:grid;place-items:center;width:44px;height:44px;border-radius:50%;
  background-image:var(--grad);color:#fff;font-weight:800;font-size:16px;
  box-shadow:0 10px 22px rgba(240,78,35,.3);
}
.step h3{font-size:19px;margin:18px 0 8px;}
.step p{font-size:14.5px;color:var(--ink-2);}

/* ---------- 频道卡片 ---------- */
.channels{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.channel{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-xl);overflow:hidden;position:relative;
  transition:transform .25s ease,box-shadow .25s ease;
}
.channel::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background-image:var(--grad);transform:scaleX(0);transform-origin:left;
  transition:transform .3s ease;z-index:3;
}
.channel:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.channel:hover::before{transform:scaleX(1);}
.channel-cover{aspect-ratio:4/3;background:var(--bg-alt);overflow:hidden;}
.channel-cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.channel:hover .channel-cover img{transform:scale(1.05);}
.channel-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.channel-body h3{font-size:19px;}
.channel-body p{font-size:14.5px;color:var(--ink-2);flex:1;}
.channel-link{font-size:14px;font-weight:700;color:var(--brand);display:inline-flex;align-items:center;gap:6px;}
.channel-link::after{content:"→";transition:transform .25s ease;}
.channel:hover .channel-link::after{transform:translateX(4px);}

/* ---------- 权益非对称栅格 ---------- */
.benefits{display:grid;grid-template-columns:1.25fr 1fr;gap:24px;}
.benefit-main{
  position:relative;border-radius:var(--r-xl);overflow:hidden;
  background-image:var(--grad);color:#fff;padding:38px;
  display:flex;flex-direction:column;justify-content:space-between;
  min-height:400px;box-shadow:0 24px 56px rgba(240,78,35,.26);
}
.benefit-main h3{font-size:28px;margin:16px 0 12px;}
.benefit-main p{color:rgba(255,255,255,.9);font-size:15.5px;max-width:420px;}
.benefit-main .benefit-tag{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:var(--pill);
  background:rgba(255,255,255,.2);font-size:13px;font-weight:600;
}
.benefit-side{display:grid;grid-template-rows:1fr 1fr;gap:24px;}
.benefit-card{
  display:flex;gap:18px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-xl);padding:20px;align-items:center;
  transition:transform .25s ease,box-shadow .25s ease;
}
.benefit-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.benefit-thumb{width:132px;flex-shrink:0;aspect-ratio:4/3;border-radius:var(--r-md);overflow:hidden;background:var(--bg-alt);}
.benefit-thumb img{width:100%;height:100%;object-fit:cover;}
.benefit-card h3{font-size:19px;margin-bottom:8px;}
.benefit-card p{font-size:14.5px;color:var(--ink-2);}

/* ---------- 进度轨迹 ---------- */
.progress-wrap{display:grid;grid-template-columns:.85fr 1.15fr;gap:56px;align-items:center;}
.progress-copy h2{font-size:32px;margin:16px 0 14px;}
.progress-copy p{color:var(--ink-2);}
.progress-meta{display:flex;align-items:center;gap:16px;margin-top:26px;}
.progress-meta .num{font-size:34px;background-image:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
.track{position:relative;display:flex;justify-content:space-between;gap:8px;}
.track::before{
  content:"";position:absolute;top:23px;left:6%;right:6%;height:3px;border-radius:3px;
  background:var(--line);z-index:0;
}
.track::after{
  content:"";position:absolute;top:23px;left:6%;width:56%;height:3px;border-radius:3px;
  background-image:var(--grad);z-index:1;
}
.track-node{position:relative;z-index:2;display:flex;flex-direction:column;align-items:center;gap:12px;flex:1;text-align:center;}
.track-node b{
  width:46px;height:46px;border-radius:50%;display:grid;place-items:center;
  background:#fff;border:2px solid var(--line);color:var(--ink-2);font-size:15px;
  transition:transform .25s ease,box-shadow .25s ease;
}
.track-node span{font-size:13.5px;color:var(--ink-2);}
.track-node.is-done b{background-image:var(--grad);border-color:transparent;color:#fff;box-shadow:0 10px 22px rgba(240,78,35,.28);}
.track-node.is-current b{
  background:#fff;border-color:var(--brand);color:var(--brand);
  transform:scale(1.16);box-shadow:0 0 0 6px rgba(240,78,35,.12);
}
.track-node.is-todo b{border-style:dashed;}
.track-node.is-current span{color:var(--brand);font-weight:700;}

/* ---------- 最新动态 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.news-card{
  position:relative;display:flex;flex-direction:column;gap:12px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px;overflow:hidden;
  transition:transform .25s ease,box-shadow .25s ease;
}
.news-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background-image:var(--grad);transform:scaleX(0);transform-origin:left;
  transition:transform .3s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.news-card:hover::before{transform:scaleX(1);}
.news-grid .news-card:first-child{grid-column:span 2;background:linear-gradient(180deg,#FFFFFF 0%,#FFF6F1 100%);}
.news-cat{
  align-self:flex-start;display:inline-flex;align-items:center;height:28px;padding:0 12px;
  border-radius:var(--pill);background:rgba(240,78,35,.1);color:var(--brand);
  font-size:12.5px;font-weight:700;
}
.news-title{
  font-size:17px;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .2s ease;
}
.news-grid .news-card:first-child .news-title{font-size:22px;}
.news-card:hover .news-title{color:var(--brand);}
.news-desc{
  font-size:14.5px;color:var(--ink-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--ink-2);padding-top:14px;border-top:1px dashed var(--line);
}
.news-more{font-weight:700;color:var(--brand);}
.news-empty{
  grid-column:1 / -1;display:flex;flex-direction:column;align-items:center;gap:14px;
  padding:56px 24px;background:#fff;border:1px dashed var(--line);border-radius:var(--r-xl);
  color:var(--ink-2);text-align:center;
}
.news-empty svg{width:44px;height:44px;color:var(--brand);opacity:.7;}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:16px;max-width:920px;}
.faq-item{
  position:relative;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);padding:0 26px;overflow:hidden;
  transition:box-shadow .25s ease,border-color .25s ease;
}
.faq-item::before{
  content:"";position:absolute;left:0;top:20px;bottom:20px;width:4px;
  border-radius:0 4px 4px 0;background-image:var(--grad);
  opacity:0;transition:opacity .25s ease;
}
.faq-item[open]{box-shadow:var(--sh);border-color:#F5D9CD;}
.faq-item[open]::before{opacity:1;}
.faq-item summary{
  list-style:none;cursor:pointer;padding:22px 0;font-size:17.5px;font-weight:600;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";flex-shrink:0;font-size:22px;font-weight:700;color:var(--brand);
  transition:transform .25s ease;line-height:1;
}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-item summary:hover{color:var(--brand);}
.faq-body{padding:0 0 24px;color:var(--ink-2);font-size:15px;line-height:1.8;max-width:800px;}

/* ---------- CTA ---------- */
.cta{
  position:relative;overflow:hidden;background:var(--dark);color:#fff;
  border-radius:var(--r-xl);padding:64px 56px;
  display:flex;align-items:center;justify-content:space-between;gap:40px;
}
.cta::before{
  content:"";position:absolute;width:480px;height:480px;right:-140px;top:-200px;
  border-radius:50%;background-image:var(--grad);filter:blur(120px);opacity:.5;
}
.cta-inner{position:relative;z-index:2;}
.cta h2{font-size:32px;margin-bottom:14px;}
.cta p{color:rgba(255,255,255,.8);font-size:15.5px;}
.cta .cta-actions{position:relative;z-index:2;display:flex;flex-direction:column;gap:12px;align-items:flex-start;}
.cta .cta-note{font-size:13.5px;color:rgba(255,255,255,.62);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.78);padding:72px 0 0;margin-top:96px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-bottom:52px;}
.footer-brand .brand{margin-bottom:18px;}
.footer-brand .brand-mark{box-shadow:none;}
.footer-slogan{font-size:16px;color:#fff;font-weight:600;margin-bottom:8px;}
.footer-note{font-size:14px;color:rgba(255,255,255,.6);max-width:300px;}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:18px;letter-spacing:.5px;}
.footer-col li{margin-bottom:12px;}
.footer-col a{font-size:14.5px;color:rgba(255,255,255,.72);transition:color .2s ease,padding-left .2s ease;}
.footer-col a:hover{color:var(--brand);padding-left:4px;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:22px 0;font-size:13.5px;color:rgba(255,255,255,.55);}
.footer-bottom .container{display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;}

/* ---------- 移动端底部固定条 ---------- */
.dock-bar{
  position:fixed;left:14px;right:14px;bottom:14px;z-index:70;
  display:none;align-items:center;gap:12px;
  background:#fff;border:1px solid var(--line);border-radius:var(--pill);
  padding:10px 12px 10px 20px;box-shadow:0 18px 44px rgba(27,26,31,.18);
  font-size:13.5px;color:var(--ink-2);
}
.dock-bar.is-show{display:flex;}
.dock-bar .btn{flex-shrink:0;}
.dock-close{
  width:32px;height:32px;border-radius:50%;border:0;background:var(--bg-alt);
  color:var(--ink-2);cursor:pointer;font-size:16px;line-height:1;flex-shrink:0;
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .hero h1{font-size:42px;}
  .nav-search input{width:160px;}
  .nav-search input:focus{width:180px;}
}
@media (max-width:1023px){
  .nav-links,.nav-search,.nav-actions{display:none;}
  .nav-toggle{display:inline-flex;}
  .hero{padding:130px 0 76px;}
  .hero-inner{grid-template-columns:1fr;gap:40px;}
  .hero h1{font-size:38px;}
  .channels{grid-template-columns:repeat(2,1fr);}
  .benefits{grid-template-columns:1fr;}
  .benefit-main{min-height:320px;}
  .progress-wrap{grid-template-columns:1fr;gap:40px;}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .news-grid .news-card:first-child{grid-column:span 2;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta{flex-direction:column;align-items:flex-start;padding:48px 36px;}
  .section{padding:76px 0;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  .hero{padding:120px 0 64px;}
  .hero h1{font-size:31px;letter-spacing:0;}
  .hero-sub{font-size:15.5px;}
  .hero-actions .btn{flex:1 1 100%;}
  .section{padding:60px 0;}
  .section-head h2,.cta h2{font-size:25px;}
  .section-head-row{flex-direction:column;align-items:flex-start;gap:14px;}
  .steps{grid-template-columns:1fr;gap:16px;}
  .step::after{display:none;}
  .channels{grid-template-columns:1fr;}
  .benefit-card{flex-direction:column;align-items:flex-start;}
  .benefit-thumb{width:100%;}
  .track{flex-direction:column;align-items:flex-start;gap:22px;}
  .track::before,.track::after{display:none;}
  .track-node{flex-direction:row;text-align:left;gap:14px;}
  .news-grid{grid-template-columns:1fr;}
  .news-grid .news-card:first-child{grid-column:span 1;}
  .cta{padding:36px 24px;border-radius:var(--r-lg);}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom .container{flex-direction:column;}
}
@media (max-width:479px){
  .brand-name{font-size:15px;}
  .hero h1{font-size:27px;}
  .hero-badges .badge{height:36px;font-size:12.5px;}
  .stat b{font-size:24px;}
  .btn{height:46px;padding:0 22px;font-size:14.5px;}
  .faq-item{padding:0 18px;}
  .faq-item summary{font-size:16px;}
}

/* roulang page: article */
:root{
  --brand:#F04E23;
  --brand-2:#FF7A18;
  --brand-3:#E23A6B;
  --grad:linear-gradient(135deg,#FF7A18 0%,#F04E23 55%,#E23A6B 100%);
  --teal:#12A594;
  --amber:#FFB020;
  --ink:#1B1A1F;
  --ink-2:#6B6570;
  --line:#ECE6DE;
  --bg:#FBF7F2;
  --bg-2:#F5F0E9;
  --card:#FFFFFF;
  --dark:#16141A;
  --r-lg:24px;
  --r-md:16px;
  --r-sm:14px;
  --r-pill:999px;
  --sh:0 10px 30px rgba(27,26,31,.08);
  --sh-hover:0 18px 44px rgba(240,78,35,.16);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
input{font:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.25;letter-spacing:-.01em;}
p{margin:0;}
time,.num,td.num{font-variant-numeric:tabular-nums;}
:focus-visible{outline:3px solid rgba(240,78,35,.35);outline-offset:2px;border-radius:8px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s var(--ease),background .25s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 8px 26px rgba(27,26,31,.09);}
.nav-inner{display:flex;align-items:center;gap:20px;height:72px;}
.brand{display:flex;align-items:center;gap:10px;flex:none;}
.brand-mark{
  width:38px;height:38px;border-radius:12px;flex:none;
  background:var(--grad);color:#fff;display:grid;place-items:center;
  box-shadow:0 8px 18px rgba(240,78,35,.28);
}
.brand-mark svg{width:20px;height:20px;}
.brand-name{font-size:17px;font-weight:700;white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:2px;flex:1;min-width:0;}
.nav-links a{
  display:inline-flex;align-items:center;height:38px;padding:0 14px;
  border-radius:var(--r-pill);font-size:15px;color:#4b4552;
  white-space:nowrap;transition:color .2s,background .2s;
}
.nav-links a:hover{color:var(--brand);background:#FFF1EA;}
.nav-links a.is-active{background:var(--grad);color:#fff;box-shadow:0 8px 18px rgba(240,78,35,.25);}
.nav-right{display:flex;align-items:center;gap:12px;flex:none;margin-left:auto;}
.nav-search{
  display:flex;align-items:center;gap:8px;width:216px;height:44px;
  padding:0 14px;border-radius:var(--r-pill);
  background:var(--bg-2);border:1px solid transparent;
  transition:border-color .2s,box-shadow .2s,background .2s;
}
.nav-search svg{width:17px;height:17px;color:var(--ink-2);flex:none;}
.nav-search input{width:100%;border:0;background:transparent;outline:none;font-size:14px;color:var(--ink);}
.nav-search input::placeholder{color:#a5a0a9;}
.nav-search:focus-within{border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(240,78,35,.14);}
.nav-actions{display:flex;align-items:center;gap:10px;}
.btn-line{
  display:inline-flex;align-items:center;justify-content:center;
  height:42px;padding:0 18px;border-radius:var(--r-pill);
  border:1.5px solid var(--brand);color:var(--brand);
  font-size:14px;font-weight:600;background:transparent;
  transition:background .2s,transform .2s,color .2s;
}
.btn-line:hover{background:rgba(240,78,35,.08);transform:translateY(-1px);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-weight:600;border-radius:var(--r-pill);cursor:pointer;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),filter .2s var(--ease),background .2s;
}
.btn-primary{
  height:50px;padding:0 28px;font-size:15px;color:#fff;
  background:var(--grad);box-shadow:0 12px 26px rgba(240,78,35,.28);
}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.05);box-shadow:0 18px 34px rgba(240,78,35,.32);}
.btn-primary:active{transform:translateY(1px);box-shadow:0 8px 18px rgba(240,78,35,.24);}
.btn-sm{height:42px;padding:0 20px;font-size:14px;}
.btn-ghost{
  height:50px;padding:0 26px;font-size:15px;color:#fff;
  border:1.5px solid rgba(255,255,255,.62);background:transparent;
}
.btn-ghost:hover{background:rgba(255,255,255,.14);transform:translateY(-2px);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:#fff;place-items:center;
}
.nav-toggle svg{width:21px;height:21px;}

/* ---------- 文章头 ---------- */
.article-hero{
  position:relative;
  padding:44px 0 8px;
  background:
    linear-gradient(180deg,rgba(255,255,255,.94) 0%,rgba(251,247,242,.98) 100%),
    url("/assets/images/backpic/back-3.webp") center/cover no-repeat;
}
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13.5px;color:var(--ink-2);margin-bottom:18px;}
.breadcrumb a{color:var(--ink-2);transition:color .2s;}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{color:#c9c2ba;}
.breadcrumb .current{color:var(--ink);font-weight:600;}
.article-title{
  font-size:40px;line-height:1.22;max-width:900px;
}
.article-meta{
  display:flex;align-items:center;flex-wrap:wrap;gap:10px 14px;
  margin-top:20px;font-size:14px;color:var(--ink-2);
}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;
  border-radius:var(--r-pill);font-size:13px;font-weight:600;
}
.tag-brand{background:rgba(240,78,35,.1);color:var(--brand);}
.tag-teal{background:rgba(18,165,148,.12);color:var(--teal);}
.tag-amber{background:rgba(255,176,32,.16);color:#a46a00;}
.meta-dot{width:4px;height:4px;border-radius:50%;background:#d6cfc7;}
.article-cover{
  margin:32px 0 0;border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--sh);border:1px solid var(--line);background:#fff;
}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.article-cover figcaption{font-size:13px;color:var(--ink-2);padding:12px 18px;text-align:center;background:#fff;}

/* ---------- 主体布局 ---------- */
.main-wrap{padding:56px 0 88px;}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 296px;gap:56px;align-items:start;}
.article-main{max-width:800px;min-width:0;}
.article-body{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:36px 40px;box-shadow:var(--sh);
  font-size:16.5px;line-height:1.85;color:#2b2830;
}
.article-body > * + *{margin-top:1.2em;}
.article-body h2{
  position:relative;padding-left:18px;margin-top:44px;
  font-size:26px;line-height:1.35;color:var(--ink);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:5px;width:8px;height:26px;
  border-radius:4px;background:var(--grad);
}
.article-body h3{
  position:relative;padding-left:18px;margin-top:34px;
  font-size:21px;line-height:1.45;color:var(--ink);
}
.article-body h3::before{
  content:"";position:absolute;left:2px;top:.62em;width:9px;height:9px;
  border-radius:50%;background:var(--brand);
}
.article-body p{margin:0;}
.article-body a{color:var(--brand);font-weight:600;border-bottom:1px solid rgba(240,78,35,.35);}
.article-body a:hover{border-bottom-color:var(--brand);}
.article-body strong{color:var(--ink);font-weight:700;}
.article-body ul,.article-body ol{margin:1.2em 0;padding-left:0;}
.article-body ul li,.article-body ol li{
  position:relative;padding-left:26px;margin-bottom:10px;color:#39343f;
}
.article-body ul li::before{
  content:"";position:absolute;left:6px;top:.72em;width:8px;height:8px;border-radius:50%;
  background:var(--grad);
}
.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:.22em;
  width:20px;height:20px;border-radius:50%;background:rgba(240,78,35,.12);
  color:var(--brand);font-size:12px;font-weight:700;text-align:center;line-height:20px;
}
.article-body blockquote{
  margin:1.6em 0;padding:18px 22px;border-radius:0 var(--r-md) var(--r-md) 0;
  border-left:4px solid transparent;background:var(--bg-2);
  background-image:linear-gradient(var(--bg-2),var(--bg-2)),var(--grad);
  background-origin:border-box;background-clip:padding-box,border-box;
  color:#3f3a45;
}
.article-body img{border-radius:var(--r-md);margin:1.6em 0;width:100%;}
.article-body figure{margin:1.6em 0;}
.article-body figcaption{font-size:13px;color:var(--ink-2);text-align:center;margin-top:10px;}
.article-body table{
  width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px;
  border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;
}
.article-body thead th{background:var(--bg-2);font-weight:700;text-align:left;}
.article-body th,.article-body td{padding:12px 16px;border-bottom:1px solid var(--line);}
.article-body tbody tr:last-child td{border-bottom:0;}
.article-body code{
  background:var(--bg-2);padding:2px 7px;border-radius:6px;font-size:14px;color:var(--brand);
}
.article-body hr{border:0;border-top:1px dashed var(--line);margin:2.2em 0;}
.article-empty{
  background:var(--card);border:1px dashed var(--line);border-radius:var(--r-lg);
  padding:56px 36px;text-align:center;box-shadow:var(--sh);
}
.article-empty h2{font-size:24px;margin-bottom:12px;}
.article-empty p{color:var(--ink-2);margin-bottom:24px;}

/* ---------- 侧栏 ---------- */
.side{position:sticky;top:96px;display:grid;gap:20px;}
.side-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px 22px 24px;box-shadow:var(--sh);
}
.side-card h3{font-size:16px;margin-bottom:14px;display:flex;align-items:center;gap:8px;}
.side-card h3::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--grad);}
.side-list li + li{border-top:1px dashed var(--line);}
.side-list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 2px;font-size:14.5px;color:#413c48;transition:color .2s,transform .2s;
}
.side-list a:hover{color:var(--brand);transform:translateX(3px);}
.side-list a span{color:#c4bdb5;font-size:13px;}
.side-note{font-size:13.5px;color:var(--ink-2);line-height:1.7;}
.side-badge{
  display:flex;align-items:center;gap:10px;margin-top:14px;
  background:var(--bg-2);border-radius:var(--r-md);padding:12px 14px;
}
.side-badge strong{font-size:22px;color:var(--brand);font-variant-numeric:tabular-nums;}
.side-badge span{font-size:13px;color:var(--ink-2);}

/* ---------- 相关阅读 ---------- */
.related{margin-top:56px;}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:22px;
}
.section-head h2{font-size:24px;}
.link-more{font-size:14px;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:6px;}
.link-more::after{content:"→";transition:transform .2s;}
.link-more:hover::after{transform:translateX(4px);}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.mini-card{
  position:relative;display:block;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease);
}
.mini-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:var(--grad);opacity:0;transition:opacity .25s;
}
.mini-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.mini-card:hover::before{opacity:1;}
.mini-card img{aspect-ratio:16/9;object-fit:cover;width:100%;}
.mini-card h3{font-size:16px;line-height:1.5;padding:14px 16px 6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.mini-card .mini-tag{display:block;padding:0 16px 16px;font-size:13px;color:var(--ink-2);}

/* ---------- 上一篇 / 下一篇 ---------- */
.post-nav{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-top:36px;}
.post-nav-item{
  display:block;background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:18px 20px;transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s;
}
.post-nav-item:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);border-color:#f6d6c8;}
.post-nav-item .label{font-size:12.5px;color:var(--ink-2);letter-spacing:.04em;}
.post-nav-item .title{font-size:15.5px;font-weight:600;margin-top:6px;color:var(--ink);}
.post-nav-item.is-disabled{opacity:.6;cursor:not-allowed;background:var(--bg-2);}
.post-nav-item.is-disabled:hover{transform:none;box-shadow:none;border-color:var(--line);}
.back-row{margin-top:28px;}

/* ---------- CTA 收尾 ---------- */
.cta-band{background:var(--dark);color:#fff;padding:64px 0;position:relative;overflow:hidden;}
.cta-band::before{
  content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:var(--grad);opacity:.32;filter:blur(10px);
}
.cta-inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;}
.cta-inner h2{font-size:28px;color:#fff;}
.cta-inner p{margin-top:10px;font-size:15px;color:rgba(255,255,255,.76);}
.cta-note{font-size:13px;color:rgba(255,255,255,.6);margin-top:12px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.78);padding-top:64px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:44px;padding-bottom:48px;}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand .brand-name{color:#fff;}
.footer-slogan{font-size:15px;color:#fff;font-weight:600;margin-bottom:10px;}
.footer-note{font-size:13.5px;line-height:1.75;color:rgba(255,255,255,.62);max-width:320px;}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;}
.footer-col li{margin-bottom:11px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.7);transition:color .2s;}
.footer-col a:hover{color:var(--brand-2);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0;font-size:13px;
  color:rgba(255,255,255,.55);
}
.footer-bottom .container{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .article-layout{grid-template-columns:minmax(0,1fr) 268px;gap:40px;}
  .article-title{font-size:36px;}
}
@media (max-width:1023px){
  .nav-links{
    position:fixed;left:0;right:0;top:72px;bottom:0;z-index:60;
    background:#fff;flex-direction:column;align-items:stretch;gap:4px;
    padding:96px 24px 32px;overflow-y:auto;
    transform:translateX(100%);transition:transform .3s var(--ease);
    margin-left:0;
  }
  .nav-links.open{transform:translateX(0);}
  .nav-links a{height:52px;padding:0 18px;font-size:16.5px;border-radius:var(--r-md);}
  .nav-links a.is-active{border-radius:var(--r-md);}
  .nav-search{display:none;}
  .site-header.nav-open .nav-search{
    display:flex;position:fixed;top:84px;left:24px;right:24px;z-index:61;
    background:#fff;box-shadow:var(--sh);width:auto;
  }
  .nav-actions .btn-line{display:none;}
  .nav-toggle{display:grid;}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:36px;}
  .side{position:static;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .article-body{padding:30px 26px;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  .article-hero{padding:30px 0 4px;}
  .article-title{font-size:30px;}
  .main-wrap{padding:40px 0 64px;}
  .article-body{font-size:16px;padding:24px 20px;border-radius:var(--r-md);}
  .article-body h2{font-size:22px;margin-top:34px;}
  .article-body h3{font-size:18.5px;}
  .related-grid{grid-template-columns:minmax(0,1fr);}
  .post-nav{grid-template-columns:minmax(0,1fr);}
  .cta-band{padding:48px 0;}
  .cta-inner h2{font-size:23px;}
  .cta-inner .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:30px;padding-bottom:36px;}
  .footer-bottom .container{flex-direction:column;align-items:flex-start;gap:6px;}
}
@media (max-width:520px){
  .article-title{font-size:27px;}
  .nav-actions .btn-primary{display:none;}
  .article-cover{border-radius:var(--r-md);}
  .side-card{padding:18px;}
}

/* roulang page: category1 */
:root{
  --brand:#F04E23;
  --brand-2:#FF7A18;
  --brand-3:#E23A6B;
  --grad:linear-gradient(135deg,#FF7A18 0%,#F04E23 52%,#E23A6B 100%);
  --teal:#12A594;
  --amber:#FFB020;
  --ink:#1B1A1F;
  --ink-2:#6B6570;
  --line:#ECE6DE;
  --bg:#FBF7F2;
  --soft:#F5F0E9;
  --card:#FFFFFF;
  --deep:#16141A;
  --r-xl:24px;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:14px;
  --r-pill:999px;
  --sh:0 10px 30px rgba(27,26,31,.08);
  --sh-h:0 18px 44px rgba(240,78,35,.16);
  --w:1200px;
  --ease:cubic-bezier(.25,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  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 .2s var(--ease)}
a:hover{color:var(--brand)}
button,input{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;letter-spacing:-.01em}
p{margin:0}
em{font-style:normal}
:focus-visible{outline:3px solid rgba(240,78,35,.32);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--w);margin:0 auto;padding:0 20px}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:50px;padding:0 26px;border:0;cursor:pointer;
  border-radius:var(--r-pill);font-size:15px;font-weight:600;white-space:nowrap;
  transition:transform .2s var(--ease),box-shadow .25s var(--ease),background .25s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(240,78,35,.28)}
.btn-primary:hover{color:#fff;transform:translateY(-2px);filter:brightness(1.06);box-shadow:0 16px 34px rgba(240,78,35,.36)}
.btn-primary:active{transform:translateY(1px);box-shadow:0 6px 16px rgba(240,78,35,.28)}
.btn-sm{height:42px;padding:0 20px;font-size:14px}
.btn-line{
  display:inline-flex;align-items:center;justify-content:center;
  height:42px;padding:0 20px;border-radius:var(--r-sm);
  border:1.5px solid rgba(255,255,255,.55);color:#fff;font-size:14px;font-weight:600;
  transition:background .25s var(--ease),border-color .25s var(--ease),color .25s var(--ease),transform .2s var(--ease);
}
.btn-line:hover{background:rgba(255,255,255,.14);color:#fff;transform:translateY(-1px)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;height:50px;padding:0 26px;
  border-radius:var(--r-pill);border:1.5px solid rgba(255,255,255,.6);color:#fff;font-size:15px;font-weight:600;
  transition:background .25s var(--ease),transform .2s var(--ease);
}
.btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff;transform:translateY(-2px)}
.btn-outline{
  display:inline-flex;align-items:center;justify-content:center;height:50px;padding:0 24px;
  border-radius:var(--r-pill);border:1.5px solid var(--brand);color:var(--brand);
  font-size:15px;font-weight:600;background:transparent;
  transition:background .25s var(--ease),transform .2s var(--ease),color .2s var(--ease);
}
.btn-outline:hover{background:rgba(240,78,35,.08);color:var(--brand);transform:translateY(-2px)}

/* ============ 标签 / 徽章 ============ */
.tag{
  display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:var(--r-pill);
  background:var(--soft);color:var(--ink-2);font-size:13px;font-weight:500;
}
.tag-brand{background:rgba(240,78,35,.1);color:var(--brand)}
.tag-teal{background:rgba(18,165,148,.12);color:var(--teal)}
.tag-amber{background:rgba(255,176,32,.16);color:#B47600}
.badge-stat{
  display:flex;align-items:center;gap:10px;height:44px;padding:0 18px;
  border-radius:var(--r-pill);background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.2);color:#fff;
}
.badge-stat strong{font-size:22px;font-variant-numeric:tabular-nums;font-weight:800;line-height:1}
.badge-stat span{font-size:13px;opacity:.85}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:100;color:#fff;
  background:transparent;border-bottom:1px solid transparent;
  transition:background .3s var(--ease),color .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.site-header.is-scrolled{
  background:#fff;color:var(--ink);border-bottom:1px solid var(--line);
  box-shadow:0 6px 24px rgba(27,26,31,.07);
}
.nav-inner{display:flex;align-items:center;gap:24px;height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:36px;height:36px;border-radius:12px;display:grid;place-items:center;
  background:var(--grad);color:#fff;box-shadow:0 6px 16px rgba(240,78,35,.3);flex-shrink:0;
}
.brand-mark svg{width:20px;height:20px}
.brand-name{font-size:17px;font-weight:700;letter-spacing:.01em;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:26px;margin-right:auto}
.nav-links a{position:relative;padding:6px 2px;font-size:15px;opacity:.9;white-space:nowrap}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:3px;border-radius:3px;
  background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform .28s var(--ease);
}
.nav-links a:hover{opacity:1;color:inherit}
.nav-links a:hover::after,.nav-links a.is-active::after{transform:scaleX(1)}
.nav-links a.is-active{opacity:1;font-weight:600}
.nav-right{display:flex;align-items:center;gap:14px;margin-left:auto}
.nav-search{
  display:flex;align-items:center;gap:8px;height:48px;padding:0 16px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.18);
  transition:background .3s var(--ease),border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.site-header.is-scrolled .nav-search{background:var(--soft);border-color:transparent}
.nav-search svg{width:18px;height:18px;flex-shrink:0;opacity:.8}
.nav-search input{
  width:170px;height:100%;border:0;background:transparent;font-size:14px;outline:none;
}
.nav-search input::placeholder{color:rgba(255,255,255,.72)}
.site-header.is-scrolled .nav-search input::placeholder{color:var(--ink-2)}
.nav-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 4px rgba(240,78,35,.16);background:#fff}
.nav-search:focus-within input::placeholder{color:#B9B2AC}
.nav-actions{display:flex;align-items:center;gap:10px}
.site-header.is-scrolled .btn-line{border-color:var(--brand);color:var(--brand)}
.site-header.is-scrolled .btn-line:hover{background:rgba(240,78,35,.08)}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid rgba(255,255,255,.25);
  background:rgba(255,255,255,.12);color:inherit;cursor:pointer;place-items:center;
}
.site-header.is-scrolled .nav-toggle{border-color:var(--line);background:var(--soft)}
.nav-toggle svg{width:22px;height:22px;margin:0 auto}

/* ============ 页面头图 ============ */
.page-hero{position:relative;overflow:hidden;background:var(--deep);color:#fff;margin-top:-72px;padding:140px 0 76px}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:url("/assets/images/backpic/back-1.webp") center/cover no-repeat;
  opacity:.34;transform:scale(1.02);
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(22,20,26,.94) 12%,rgba(22,20,26,.74) 46%,rgba(240,78,35,.42) 100%);
}
.hero-inner{position:relative;z-index:2;max-width:860px}
.breadcrumb{display:flex;align-items:center;gap:10px;font-size:14px;color:rgba(255,255,255,.72);margin-bottom:20px;flex-wrap:wrap}
.breadcrumb a{color:rgba(255,255,255,.82)}
.breadcrumb a:hover{color:#fff}
.breadcrumb em{color:#fff;font-weight:600}
.page-hero h1{font-size:clamp(30px,4.4vw,50px);line-height:1.16;letter-spacing:-.02em}
.hero-lead{margin-top:18px;font-size:17px;line-height:1.8;color:rgba(255,255,255,.86);max-width:640px}
.hero-badges{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-shape{
  position:absolute;right:-120px;top:60px;width:420px;height:420px;border-radius:50%;
  background:var(--grad);filter:blur(4px);opacity:.28;z-index:1;
}

/* ============ 通用板块 ============ */
.section{padding:96px 0}
.section-soft{background:var(--soft)}
.section-tight{padding-top:0}
.section-head{max-width:720px;margin-bottom:44px}
.eyebrow{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:var(--r-pill);
  background:rgba(240,78,35,.1);color:var(--brand);font-size:13px;font-weight:600;letter-spacing:.02em;
  margin-bottom:16px;
}
.section-head h2{font-size:clamp(24px,3vw,34px);letter-spacing:-.015em}
.section-sub{margin-top:14px;font-size:16px;color:var(--ink-2);line-height:1.85}

/* ============ 概览区（两列大卡 + 粘性目录） ============ */
.overview-grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:36px;align-items:start}
.dual-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.big-card{
  position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--r-xl);
  overflow:hidden;box-shadow:var(--sh);transition:transform .28s var(--ease),box-shadow .28s var(--ease);
  display:flex;flex-direction:column;
}
.big-card::after{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--grad);
  opacity:0;transition:opacity .28s var(--ease);
}
.big-card:hover{transform:translateY(-4px);box-shadow:var(--sh-h)}
.big-card:hover::after{opacity:1}
.big-card__media{aspect-ratio:16/10;overflow:hidden;background:var(--soft)}
.big-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.big-card:hover .big-card__media img{transform:scale(1.04)}
.big-card__body{padding:26px;display:flex;flex-direction:column;gap:12px;flex:1}
.big-card__body h3{font-size:21px}
.big-card__body p{font-size:15px;color:var(--ink-2);line-height:1.8}
.card-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:8px}
.card-link{font-size:14px;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:6px}
.card-link:hover{gap:10px}

.toc{
  position:sticky;top:96px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:24px;box-shadow:var(--sh);
}
.toc h3{font-size:16px;margin-bottom:14px}
.toc ul{display:flex;flex-direction:column;gap:2px}
.toc a{
  display:block;padding:9px 12px;border-radius:10px;font-size:14px;color:var(--ink-2);
  border-left:3px solid transparent;transition:all .22s var(--ease);
}
.toc a:hover{background:var(--soft);color:var(--brand);border-left-color:var(--brand);transform:translateX(2px)}
.toc-tip{
  margin-top:18px;padding:14px;border-radius:var(--r-md);
  background:linear-gradient(135deg,rgba(255,122,24,.1),rgba(226,58,107,.1));
  font-size:13px;color:var(--ink-2);line-height:1.7;
}
.toc-tip strong{display:block;color:var(--brand);font-size:13px;margin-bottom:4px}

/* ============ 入口方式（编号卡） ============ */
.methods{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
.method{
  position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px 28px 26px;box-shadow:var(--sh);transition:transform .28s var(--ease),box-shadow .28s var(--ease);
}
.method::before{
  content:"";position:absolute;left:0;top:0;right:0;height:3px;border-radius:var(--r-lg) var(--r-lg) 0 0;
  background:var(--grad);opacity:0;transition:opacity .28s var(--ease);
}
.method:hover{transform:translateY(-4px);box-shadow:var(--sh-h)}
.method:hover::before{opacity:1}
.method-num{
  width:42px;height:42px;border-radius:50%;display:grid;place-items:center;
  background:var(--grad);color:#fff;font-size:15px;font-weight:800;font-variant-numeric:tabular-nums;
  margin-bottom:16px;box-shadow:0 8px 18px rgba(240,78,35,.26);
}
.method h3{font-size:19px;margin-bottom:10px}
.method p{font-size:15px;color:var(--ink-2);line-height:1.8}
.method .tag{margin-top:14px}

/* ============ 流程步骤 ============ */
.flow{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;position:relative}
.flow::before{
  content:"";position:absolute;left:6%;right:6%;top:24px;height:2px;
  background:repeating-linear-gradient(90deg,rgba(240,78,35,.35) 0 8px,transparent 8px 16px);
}
.flow-step{position:relative;padding-top:0}
.flow-num{
  position:relative;z-index:2;width:48px;height:48px;border-radius:50%;display:grid;place-items:center;
  background:var(--grad);color:#fff;font-weight:800;font-size:17px;font-variant-numeric:tabular-nums;
  box-shadow:0 10px 22px rgba(240,78,35,.28);
}
.flow-card{
  margin-top:20px;background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px;box-shadow:var(--sh);transition:transform .28s var(--ease),box-shadow .28s var(--ease);
}
.flow-card:hover{transform:translateY(-4px);box-shadow:var(--sh-h)}
.flow-card h3{font-size:17px;margin-bottom:8px}
.flow-card p{font-size:14px;color:var(--ink-2);line-height:1.75}

/* ============ 登录后可用功能 ============ */
.feature-band{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;
}
.feature{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px;box-shadow:var(--sh);
  transition:transform .28s var(--ease),box-shadow .28s var(--ease);
}
.feature:hover{transform:translateY(-4px);box-shadow:var(--sh-h)}
.feature-ico{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
  background:rgba(18,165,148,.12);color:var(--teal);margin-bottom:16px;
}
.feature-ico svg{width:22px;height:22px}
.feature h3{font-size:18px;margin-bottom:10px}
.feature p{font-size:14px;color:var(--ink-2);line-height:1.78}

/* ============ 公告 ============ */
.notice-wrap{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-xl);
  padding:10px 26px;box-shadow:var(--sh);
}
.notice{
  display:flex;align-items:center;gap:18px;padding:22px 0;border-bottom:1px dashed var(--line);
  transition:transform .25s var(--ease);
}
.notice:last-child{border-bottom:0}
.notice:hover{transform:translateX(4px)}
.notice time{font-size:13px;color:var(--ink-2);font-variant-numeric:tabular-nums;flex-shrink:0;width:96px}
.notice h3{font-size:16px;font-weight:600;line-height:1.6}
.notice p{font-size:14px;color:var(--ink-2);margin-top:4px}
.notice-flag{
  flex-shrink:0;width:8px;height:8px;border-radius:50%;background:var(--brand);
}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:900px}
.faq-item{
  position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh);transition:box-shadow .28s var(--ease);
}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--grad);
  opacity:0;transition:opacity .25s var(--ease);
}
.faq-item[open]::before{opacity:1}
.faq-item[open]{box-shadow:var(--sh-h)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:22px 56px 22px 28px;position:relative;
  font-size:17px;font-weight:600;line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";position:absolute;right:24px;top:50%;transform:translateY(-50%);
  font-size:22px;font-weight:400;color:var(--brand);line-height:1;transition:transform .25s var(--ease);
}
.faq-item[open] summary::after{content:"−"}
.faq-body{padding:0 28px 24px;font-size:15px;color:var(--ink-2);line-height:1.85}

/* ============ CTA ============ */
.cta{position:relative;overflow:hidden;background:var(--deep);color:#fff;padding:88px 0}
.cta::before{
  content:"";position:absolute;right:-140px;top:-120px;width:480px;height:480px;border-radius:50%;
  background:var(--grad);opacity:.34;filter:blur(2px);
}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap}
.cta h2{font-size:clamp(24px,3vw,32px);max-width:520px}
.cta p{margin-top:14px;font-size:15px;color:rgba(255,255,255,.78);max-width:520px}
.cta-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.cta-note{font-size:14px;color:rgba(255,255,255,.68)}

/* ============ 页脚 ============ */
.site-footer{background:var(--deep);color:rgba(255,255,255,.74);padding-top:72px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.footer-brand .brand{color:#fff;margin-bottom:16px}
.footer-brand .brand-name{color:#fff}
.footer-slogan{font-size:15px;color:#fff;font-weight:600;margin-bottom:12px}
.footer-note{font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);max-width:320px}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:18px}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72)}
.footer-col a:hover{color:var(--brand-2)}
.footer-bottom{
  margin-top:56px;border-top:1px solid rgba(255,255,255,.1);padding:22px 0;
  font-size:13px;color:rgba(255,255,255,.55);
}
.footer-bottom .container{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .nav-search input{width:130px}
  .nav-links{gap:18px}
}
@media (max-width:1023px){
  .section{padding:72px 0}
  .nav-inner{height:72px;gap:16px}
  .nav-links{
    position:fixed;left:0;right:0;top:72px;bottom:0;background:#fff;z-index:90;
    flex-direction:column;align-items:stretch;gap:6px;padding:24px 24px 120px;
    overflow-y:auto;opacity:0;transform:translateY(-14px);pointer-events:none;
    transition:opacity .25s var(--ease),transform .25s var(--ease);
    box-shadow:0 20px 40px rgba(27,26,31,.12);
  }
  .nav-links a{color:var(--ink);font-size:17px;padding:14px 8px;border-radius:12px}
  .nav-links a:hover{background:var(--soft)}
  body.nav-open .nav-links{opacity:1;transform:none;pointer-events:auto}
  body.nav-open{overflow:hidden}
  .nav-links a::after{bottom:4px;left:8px;right:auto;width:24px}
  .nav-search{
    position:fixed;left:24px;right:24px;bottom:28px;z-index:95;
    background:var(--soft);border-color:transparent;opacity:0;pointer-events:none;
    transition:opacity .25s var(--ease);
  }
  body.nav-open .nav-search{opacity:1;pointer-events:auto}
  .nav-search input{width:100%;color:var(--ink)}
  .nav-search input::placeholder{color:var(--ink-2)}
  .nav-toggle{display:grid}
  .nav-actions .btn-line{display:none}
  .overview-grid{grid-template-columns:minmax(0,1fr)}
  .toc{position:static;order:2}
  .dual-cards{grid-template-columns:repeat(2,minmax(0,1fr))}
  .flow{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
  .flow::before{display:none}
  .feature-band{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .page-hero{padding:120px 0 60px}
  .hero-shape{width:280px;height:280px;right:-120px;top:40px}
  .dual-cards{grid-template-columns:minmax(0,1fr)}
  .methods{grid-template-columns:minmax(0,1fr)}
  .feature-band{grid-template-columns:minmax(0,1fr)}
  .cta{padding:64px 0}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .notice{flex-wrap:wrap;gap:8px}
  .notice time{width:auto}
  .faq-item summary{padding:18px 48px 18px 22px;font-size:16px}
  .faq-body{padding:0 22px 20px}
  .section-head{margin-bottom:32px}
  .badge-stat{height:40px;padding:0 14px}
  .badge-stat strong{font-size:19px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .brand-name{font-size:15px}
  .nav-links a{font-size:16px}
  .hero-lead{font-size:15px}
  .big-card__body{padding:20px}
  .method{padding:22px}
  .flow{grid-template-columns:minmax(0,1fr)}
  .footer-grid{grid-template-columns:1fr}
  .btn,.btn-outline,.btn-ghost{width:100%}
  .cta-actions{width:100%}
  .notice-wrap{padding:6px 18px}
  .footer-bottom .container{flex-direction:column}
}

/* roulang page: category2 */
:root{
  --brand:#F04E23;
  --brand-light:#FF7A18;
  --brand-deep:#E23A6B;
  --grad:linear-gradient(135deg,#FF7A18 0%,#F04E23 52%,#E23A6B 100%);
  --teal:#12A594;
  --amber:#FFB020;
  --ink:#1B1A1F;
  --muted:#6B6570;
  --line:#ECE6DE;
  --bg:#FBF7F2;
  --warm:#F5F0E9;
  --card:#FFFFFF;
  --dark:#16141A;
  --r-lg:24px;
  --r-md:16px;
  --r-sm:14px;
  --r-pill:999px;
  --sh-1:0 10px 30px rgba(27,26,31,.08);
  --sh-2:0 18px 44px rgba(240,78,35,.16);
  --container:1200px;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:100px;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input{font-family:inherit;font-size:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:3px solid rgba(240,78,35,.32);outline-offset:2px;border-radius:6px;}

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

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;letter-spacing:.02em;
  border:1.5px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,filter .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(240,78,35,.28);}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.05);box-shadow:0 16px 34px rgba(240,78,35,.34);}
.btn-primary:active{transform:translateY(1px);}
.btn-line{border-color:var(--brand);color:var(--brand);background:transparent;}
.btn-line:hover{background:rgba(240,78,35,.08);}
.btn-ghost{border-color:rgba(255,255,255,.7);color:#fff;background:rgba(255,255,255,.06);}
.btn-ghost:hover{background:rgba(255,255,255,.16);transform:translateY(-2px);}
.btn-sm{height:42px;padding:0 20px;font-size:14px;}
.btn-lg{height:54px;padding:0 34px;font-size:16px;}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:90;
  background:transparent;
  transition:background-color .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.nav-inner{
  height:72px;display:flex;align-items:center;gap:26px;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:34px;height:34px;border-radius:11px;
  background:var(--grad);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px rgba(240,78,35,.32);
}
.brand-mark svg{width:19px;height:19px;}
.brand-name{
  font-size:16px;font-weight:700;letter-spacing:.02em;color:#fff;
  transition:color .28s ease;
}
.nav-links{
  display:flex;align-items:center;gap:22px;margin-left:8px;
}
.nav-links a{
  position:relative;
  font-size:15px;font-weight:500;color:rgba(255,255,255,.86);
  padding:6px 2px;transition:color .2s ease;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:-4px;height:3px;border-radius:3px;
  background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform .24s ease;
}
.nav-links a:hover{color:#fff;}
.nav-links a:hover::after,.nav-links a.is-active::after{transform:scaleX(1);}
.nav-links a.is-active{color:#fff;font-weight:700;}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:14px;}
.nav-search{
  position:relative;display:flex;align-items:center;
  height:48px;width:230px;padding:0 16px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.14);border:1.5px solid rgba(255,255,255,.22);
  transition:border-color .2s ease,background-color .2s ease,box-shadow .2s ease;
}
.nav-search svg{width:17px;height:17px;color:rgba(255,255,255,.75);flex:0 0 auto;}
.nav-search input{
  width:100%;height:100%;border:0;background:transparent;color:#fff;outline:none;
  padding-left:9px;font-size:14px;
}
.nav-search input::placeholder{color:rgba(255,255,255,.66);}
.nav-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 4px rgba(240,78,35,.18);}
.nav-actions{display:flex;align-items:center;gap:12px;}
.nav-actions .btn-line{border-color:rgba(255,255,255,.7);color:#fff;}
.nav-actions .btn-line:hover{background:rgba(255,255,255,.16);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  align-items:center;justify-content:center;
  border:1.5px solid rgba(255,255,255,.35);background:rgba(255,255,255,.08);color:#fff;cursor:pointer;
}
.nav-toggle svg{width:20px;height:20px;}

.site-header.is-scrolled{
  background:rgba(255,255,255,.96);
  box-shadow:0 1px 0 var(--line),0 10px 30px rgba(27,26,31,.06);
}
.site-header.is-scrolled .brand-name,
.site-header.is-scrolled .nav-links a,
.site-header.is-scrolled .nav-toggle{color:var(--ink);}
.site-header.is-scrolled .nav-links a{color:var(--muted);}
.site-header.is-scrolled .nav-links a:hover,
.site-header.is-scrolled .nav-links a.is-active{color:var(--brand);}
.site-header.is-scrolled .nav-search{background:var(--warm);border-color:var(--line);}
.site-header.is-scrolled .nav-search svg{color:var(--muted);}
.site-header.is-scrolled .nav-search input{color:var(--ink);}
.site-header.is-scrolled .nav-search input::placeholder{color:#9C95A0;}
.site-header.is-scrolled .nav-actions .btn-line{border-color:var(--brand);color:var(--brand);}
.site-header.is-scrolled .nav-actions .btn-line:hover{background:rgba(240,78,35,.08);}
.site-header.is-scrolled .nav-toggle{border-color:var(--line);background:var(--warm);}

/* ============ 首屏 ============ */
.page-hero{
  position:relative;margin-top:-72px;padding:150px 0 84px;
  background-color:var(--dark);
  background-image:linear-gradient(115deg,rgba(22,20,26,.94) 0%,rgba(22,20,26,.78) 46%,rgba(226,58,107,.42) 100%),
                   url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  color:#fff;overflow:hidden;
}
.page-hero::after{
  content:"";position:absolute;right:-120px;top:-90px;width:420px;height:420px;border-radius:50%;
  background:var(--grad);opacity:.22;filter:blur(30px);pointer-events:none;
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.35fr .85fr;gap:48px;align-items:center;}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.68);margin-bottom:18px;}
.crumb a:hover{color:#fff;}
.crumb span.sep{opacity:.5;}
.eyebrow{
  display:inline-block;margin-bottom:16px;padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.22);
  font-size:13px;letter-spacing:.08em;color:#fff;
}
.page-hero h1{
  font-size:clamp(30px,3.6vw,48px);line-height:1.16;font-weight:700;letter-spacing:.01em;
}
.hero-sub{margin-top:16px;font-size:19px;font-weight:600;color:#FFD9C6;}
.hero-desc{margin-top:16px;max-width:620px;font-size:15.5px;line-height:1.85;color:rgba(255,255,255,.78);}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-badges{display:grid;gap:14px;}
.badge-card{
  display:flex;flex-direction:column;gap:2px;
  padding:18px 22px;border-radius:var(--r-md);
  background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.18);
  backdrop-filter:saturate(120%);
}
.badge-num{
  font-size:30px;font-weight:800;letter-spacing:.01em;font-variant-numeric:tabular-nums;
  background:linear-gradient(135deg,#FFB020,#FF7A18);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.badge-num em{font-size:15px;font-style:normal;margin-left:2px;}
.badge-label{font-size:13px;color:rgba(255,255,255,.72);}

/* ============ 通用板块 ============ */
.sec{padding:88px 0;}
.sec-alt{background:var(--warm);}
.sec-head{max-width:720px;margin-bottom:40px;}
.sec-tag{
  display:inline-block;margin-bottom:12px;padding:5px 13px;border-radius:var(--r-pill);
  background:rgba(240,78,35,.1);color:var(--brand);font-size:13px;font-weight:600;
}
.sec-head h2{font-size:clamp(24px,2.6vw,34px);line-height:1.28;font-weight:700;}
.sec-head p{margin-top:14px;color:var(--muted);font-size:15.5px;}

/* ============ 分类页2：侧栏 + 横向卡片流 ============ */
.cat2-layout{display:grid;grid-template-columns:264px 1fr;gap:36px;align-items:start;}
.side-nav{
  position:sticky;top:96px;
  background:var(--card);border:1px solid var(--line);border-radius:20px;
  padding:18px;box-shadow:var(--sh-1);
}
.side-nav h3{font-size:15px;font-weight:700;letter-spacing:.02em;margin-bottom:12px;padding-left:4px;}
.side-nav ul{display:flex;flex-direction:column;gap:6px;}
.side-nav a{
  display:block;padding:11px 14px;border-radius:12px;
  font-size:14.5px;color:var(--muted);
  transition:background-color .2s ease,color .2s ease,transform .2s ease;
}
.side-nav a:hover{background:var(--warm);color:var(--ink);}
.side-nav a.is-active{
  background:var(--grad);color:#fff;font-weight:600;
  box-shadow:0 10px 22px rgba(240,78,35,.26);
}

.card-list{display:flex;flex-direction:column;gap:22px;}
.hcard{
  position:relative;display:grid;grid-template-columns:236px 1fr;gap:24px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px;box-shadow:var(--sh-1);overflow:hidden;
  transition:transform .25s ease,box-shadow .25s ease;
}
.hcard::before{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--grad);
  opacity:0;transition:opacity .25s ease;
}
.hcard:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.hcard:hover::before{opacity:1;}
.hcard-media{
  border-radius:var(--r-sm);overflow:hidden;background:var(--warm);aspect-ratio:16/10;
}
.hcard-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.hcard:hover .hcard-media img{transform:scale(1.04);}
.hcard-body{display:flex;flex-direction:column;gap:10px;justify-content:center;}
.tagline{display:flex;flex-wrap:wrap;gap:8px;}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;background:rgba(240,78,35,.1);color:var(--brand);
}
.tag-teal{background:rgba(18,165,148,.12);color:var(--teal);}
.tag-amber{background:rgba(255,176,32,.16);color:#A96A00;}
.hcard-body h3{font-size:20px;font-weight:700;line-height:1.4;}
.hcard-body p{font-size:14.5px;color:var(--muted);line-height:1.8;}
.text-link{
  display:inline-flex;align-items:center;gap:6px;margin-top:4px;
  font-size:14px;font-weight:600;color:var(--brand);
}
.text-link svg{width:15px;height:15px;transition:transform .2s ease;}
.text-link:hover svg{transform:translateX(4px);}

/* ============ 对照表 ============ */
.table-wrap{
  overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-lg);
  background:var(--card);box-shadow:var(--sh-1);
}
table{width:100%;border-collapse:collapse;min-width:640px;}
thead th{
  background:var(--warm);text-align:left;font-size:14px;font-weight:700;color:var(--ink);
  padding:16px 22px;border-bottom:1px solid var(--line);white-space:nowrap;
}
tbody td{
  padding:16px 22px;font-size:14.5px;color:var(--muted);border-bottom:1px solid var(--line);
  vertical-align:top;
}
tbody tr:last-child td{border-bottom:0;}
tbody td:first-child{color:var(--ink);font-weight:600;}
tbody tr:hover td{background:#FFFCF8;}

/* ============ 自查清单 ============ */
.check-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;}
.check-item{
  display:flex;gap:14px;align-items:flex-start;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:20px 22px;box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease;
}
.check-item:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.check-ico{
  flex:0 0 auto;width:28px;height:28px;border-radius:9px;
  background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;
}
.check-ico svg{width:15px;height:15px;}
.check-item h3{font-size:16px;font-weight:600;margin-bottom:4px;}
.check-item p{font-size:14px;color:var(--muted);line-height:1.75;}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:900px;}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:20px;
  padding:4px 26px;box-shadow:var(--sh-1);position:relative;overflow:hidden;
  transition:box-shadow .22s ease;
}
.faq-item::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:4px;border-radius:0 4px 4px 0;
  background:var(--grad);opacity:0;transition:opacity .22s ease;
}
.faq-item[open]::before{opacity:1;}
.faq-item[open]{box-shadow:var(--sh-2);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;
  gap:18px;padding:20px 0;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary h3{font-size:17px;font-weight:600;line-height:1.5;}
.faq-ico{
  flex:0 0 auto;width:30px;height:30px;border-radius:50%;
  border:1.5px solid var(--line);position:relative;transition:border-color .2s ease,background-color .2s ease;
}
.faq-ico::before,.faq-ico::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--brand);border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-ico::before{width:12px;height:2px;}
.faq-ico::after{width:2px;height:12px;transition:transform .24s ease,opacity .24s ease;}
.faq-item[open] .faq-ico{border-color:var(--brand);background:rgba(240,78,35,.08);}
.faq-item[open] .faq-ico::after{transform:translate(-50%,-50%) scaleY(0);opacity:0;}
.faq-body{padding:0 0 22px;font-size:14.5px;color:var(--muted);line-height:1.85;max-width:760px;}

/* ============ 收尾 CTA ============ */
.cta-final{
  position:relative;overflow:hidden;background:var(--dark);color:#fff;
  padding:78px 0;text-align:center;
}
.cta-final::before{
  content:"";position:absolute;left:50%;top:-160px;transform:translateX(-50%);
  width:640px;height:420px;border-radius:50%;background:var(--grad);opacity:.24;filter:blur(40px);
}
.cta-inner{position:relative;z-index:2;display:flex;flex-direction:column;align-items:center;gap:18px;}
.cta-final h2{font-size:clamp(23px,2.6vw,32px);font-weight:700;line-height:1.32;}
.cta-final p{font-size:15px;color:rgba(255,255,255,.74);max-width:640px;}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:66px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px;}
.footer-brand .brand-name{color:#fff;}
.footer-slogan{margin-top:16px;font-size:15px;font-weight:600;color:#fff;}
.footer-note{margin-top:10px;font-size:13.5px;line-height:1.8;color:rgba(255,255,255,.62);max-width:320px;}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.04em;}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.66);transition:color .2s ease,padding-left .2s ease;}
.footer-col a:hover{color:var(--brand);padding-left:4px;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:20px 0;}
.footer-bottom .container{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:13px;color:rgba(255,255,255,.5);}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .nav-search{width:200px;}
  .nav-links{gap:18px;}
}
@media (max-width:1023px){
  .container{padding:0 20px;}
  .nav-links{
    position:fixed;left:0;right:0;top:72px;height:300px;overflow-y:auto;
    flex-direction:column;align-items:stretch;gap:0;margin:0;
    background:#fff;padding:14px 20px;border-bottom:1px solid var(--line);
    box-shadow:0 20px 40px rgba(27,26,31,.12);
    opacity:0;visibility:hidden;transform:translateY(-10px);
    transition:opacity .24s ease,transform .24s ease,visibility .24s ease;
  }
  body.nav-open .nav-links{opacity:1;visibility:visible;transform:none;}
  .nav-links a{color:var(--ink) !important;font-size:16px;padding:14px 4px;border-bottom:1px solid var(--warm);}
  .nav-links a::after{display:none;}
  .nav-links a.is-active{color:var(--brand) !important;font-weight:700;}
  .nav-search{
    position:fixed;left:20px;right:20px;top:372px;width:auto;height:48px;
    background:var(--warm);border-color:var(--line);
    opacity:0;visibility:hidden;transition:opacity .24s ease,visibility .24s ease;
  }
  .nav-search svg{color:var(--muted);}
  .nav-search input{color:var(--ink);}
  .nav-search input::placeholder{color:#9C95A0;}
  body.nav-open .nav-search{opacity:1;visibility:visible;}
  .nav-actions{
    position:fixed;left:20px;right:20px;top:436px;
    flex-direction:column;align-items:stretch;gap:10px;
    opacity:0;visibility:hidden;transition:opacity .24s ease,visibility .24s ease;
  }
  body.nav-open .nav-actions{opacity:1;visibility:visible;}
  .nav-actions .btn,.nav-actions .btn-line{
    width:100%;border-color:var(--brand);color:var(--brand);
  }
  .nav-actions .btn-primary{color:#fff;}
  .nav-toggle{display:inline-flex;}
  .nav-search:focus-within{box-shadow:0 0 0 4px rgba(240,78,35,.18);}
  body.nav-open{overflow:hidden;}

  .hero-inner{grid-template-columns:1fr;gap:34px;}
  .hero-badges{grid-template-columns:repeat(3,1fr);}
  .cat2-layout{grid-template-columns:1fr;gap:26px;}
  .side-nav{position:static;}
  .side-nav ul{flex-direction:row;overflow-x:auto;gap:8px;padding-bottom:4px;}
  .side-nav a{white-space:nowrap;}
  .check-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  .sec{padding:56px 0;}
  .page-hero{padding:120px 0 60px;}
  .hero-badges{grid-template-columns:1fr;gap:10px;}
  .badge-card{flex-direction:row;align-items:center;gap:14px;padding:14px 18px;}
  .badge-num{font-size:24px;}
  .hcard{grid-template-columns:1fr;gap:16px;padding:18px;}
  .hcard-media{aspect-ratio:16/9;}
  .hcard-body h3{font-size:18px;}
  .hero-actions .btn{flex:1 1 100%;}
  .faq-item{padding:2px 18px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom .container{flex-direction:column;gap:6px;}
}
@media (max-width:479px){
  body{font-size:15px;}
  .brand-name{font-size:15px;}
  .sec-head h2{font-size:23px;}
  .hcard-body h3{font-size:17px;}
  .btn{height:46px;padding:0 20px;font-size:14.5px;}
  .cta-final{padding:58px 0;}
}

/* roulang page: category3 */
:root{
  --brand:#F04E23;
  --brand-2:#FF7A18;
  --brand-3:#E23A6B;
  --teal:#12A594;
  --amber:#FFB020;
  --ink:#1B1A1F;
  --ink-2:#6B6570;
  --line:#ECE6DE;
  --bg:#FBF7F2;
  --bg-alt:#F5F0E9;
  --card:#FFFFFF;
  --dark:#16141A;
  --grad:linear-gradient(135deg,#FF7A18 0%,#F04E23 55%,#E23A6B 100%);
  --grad-soft:linear-gradient(135deg,rgba(255,122,24,.14),rgba(226,58,107,.12));
  --r-lg:24px;
  --r-md:16px;
  --r-sm:14px;
  --r-pill:999px;
  --sh:0 10px 30px rgba(27,26,31,.08);
  --sh-hov:0 18px 44px rgba(240,78,35,.16);
  --container:1200px;
  --sec-y:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  overflow-x:hidden;
}
body.nav-open{overflow:hidden;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;letter-spacing:-.01em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(240,78,35,.32);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.num{font-variant-numeric:tabular-nums;}

/* ---------- header ---------- */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:60;
  height:72px;
  display:flex;
  align-items:center;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.97);
  border-bottom:1px solid var(--line);
  box-shadow:0 6px 24px rgba(27,26,31,.07);
}
.nav-inner{display:flex;align-items:center;gap:28px;}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:17px;white-space:nowrap;}
.brand-mark{
  width:34px;height:34px;border-radius:11px;
  background:var(--grad);
  color:#fff;
  display:grid;place-items:center;
  box-shadow:0 8px 18px rgba(240,78,35,.3);
  flex:none;
}
.brand-mark svg{width:19px;height:19px;}
.brand-name{color:#fff;transition:color .28s ease;}
.site-header.is-scrolled .brand-name{color:var(--ink);}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:8px;flex:1;}
.nav-links a{
  position:relative;
  padding:8px 14px;
  border-radius:var(--r-pill);
  font-size:15px;
  color:rgba(255,255,255,.86);
  transition:color .2s ease,background .2s ease;
}
.site-header.is-scrolled .nav-links a{color:var(--ink-2);}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.14);}
.site-header.is-scrolled .nav-links a:hover{color:var(--brand);background:rgba(240,78,35,.08);}
.nav-links a.is-active{background:var(--grad);color:#fff;font-weight:600;box-shadow:0 8px 20px rgba(240,78,35,.26);}
.site-header.is-scrolled .nav-links a.is-active{color:#fff;}
.nav-right{display:flex;align-items:center;gap:12px;flex:none;}
.nav-search{
  display:flex;align-items:center;gap:8px;
  height:44px;padding:0 16px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.16);
  border:1px solid rgba(255,255,255,.28);
  transition:background .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.site-header.is-scrolled .nav-search{background:var(--bg-alt);border-color:var(--line);}
.nav-search svg{width:17px;height:17px;color:rgba(255,255,255,.8);flex:none;}
.site-header.is-scrolled .nav-search svg{color:var(--ink-2);}
.nav-search input{
  width:160px;border:0;background:transparent;outline:none;font-size:14px;
  color:#fff;
}
.nav-search input::placeholder{color:rgba(255,255,255,.72);}
.site-header.is-scrolled .nav-search input{color:var(--ink);}
.site-header.is-scrolled .nav-search input::placeholder{color:#9C959D;}
.nav-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 4px rgba(240,78,35,.16);}
.nav-actions{display:flex;align-items:center;gap:10px;}
.btn-line{
  display:inline-flex;align-items:center;justify-content:center;
  height:44px;padding:0 20px;
  border-radius:var(--r-pill);
  border:1.5px solid rgba(255,255,255,.65);
  color:#fff;font-size:15px;font-weight:600;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
}
.btn-line:hover{background:rgba(255,255,255,.16);transform:translateY(-1px);}
.site-header.is-scrolled .btn-line{border-color:rgba(240,78,35,.55);color:var(--brand);}
.site-header.is-scrolled .btn-line:hover{background:rgba(240,78,35,.08);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:0;cursor:pointer;
  border-radius:var(--r-pill);
  font-size:16px;font-weight:700;
  padding:0 28px;height:52px;
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 26px rgba(240,78,35,.3);}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.05);box-shadow:0 16px 34px rgba(240,78,35,.38);}
.btn-primary:active{transform:translateY(1px);}
.btn-sm{height:44px;padding:0 20px;font-size:15px;}
.btn-ghost{
  background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.7);
}
.btn-ghost:hover{background:rgba(255,255,255,.15);transform:translateY(-2px);}
.btn-outline{
  background:transparent;color:var(--brand);border:1.5px solid rgba(240,78,35,.55);
}
.btn-outline:hover{background:rgba(240,78,35,.08);transform:translateY(-2px);}
.nav-toggle{
  display:none;
  width:44px;height:44px;border-radius:12px;
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.3);
  color:#fff;cursor:pointer;
  align-items:center;justify-content:center;
}
.nav-toggle svg{width:20px;height:20px;}
.site-header.is-scrolled .nav-toggle{background:var(--bg-alt);border-color:var(--line);color:var(--ink);}

/* ---------- hero ---------- */
.hero{
  position:relative;
  padding:152px 0 96px;
  background:var(--dark);
  color:#fff;
  overflow:hidden;
}
.hero::before{
  content:"";
  position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-3.webp");
  background-size:cover;background-position:center;
  opacity:.42;
}
.hero::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(22,20,26,.94) 0%,rgba(22,20,26,.78) 48%,rgba(226,58,107,.34) 100%);
}
.hero .container{position:relative;z-index:2;}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.24);
  font-size:13.5px;color:#FFE9DF;
  margin-bottom:20px;
}
.hero-tag i{width:7px;height:7px;border-radius:50%;background:var(--teal);display:inline-block;}
.hero h1{font-size:48px;line-height:1.15;margin-bottom:18px;}
.hero-sub{font-size:17px;line-height:1.8;color:rgba(255,255,255,.82);max-width:560px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:14px;margin-top:40px;}
.stat-badge{
  display:flex;align-items:center;gap:12px;
  padding:12px 20px;border-radius:18px;
  background:rgba(255,255,255,.09);
  border:1px solid rgba(255,255,255,.16);
}
.stat-badge b{font-size:26px;font-weight:800;font-variant-numeric:tabular-nums;color:#FFD9C6;}
.stat-badge span{font-size:13.5px;color:rgba(255,255,255,.76);}
.hero-card{
  position:relative;
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid rgba(255,255,255,.2);
  box-shadow:0 26px 60px rgba(0,0,0,.4);
}
.hero-card img{width:100%;aspect-ratio:16 / 10;object-fit:cover;}
.hero-card figcaption{
  position:absolute;left:0;right:0;bottom:0;
  padding:20px 22px;
  background:linear-gradient(to top,rgba(22,20,26,.9),rgba(22,20,26,0));
  font-size:14px;color:rgba(255,255,255,.88);
}

/* ---------- sections ---------- */
.section{padding:var(--sec-y) 0;}
.section.alt{background:var(--bg-alt);}
.section-head{max-width:720px;margin-bottom:44px;}
.section-head h2{font-size:34px;margin-bottom:14px;}
.section-head p{color:var(--ink-2);font-size:16px;}
.eyebrow{
  display:inline-block;
  font-size:13px;font-weight:700;letter-spacing:.08em;
  color:var(--brand);
  margin-bottom:12px;
}

/* lead block */
.lead-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.lead-text h2{font-size:34px;margin-bottom:18px;}
.lead-text p{color:var(--ink-2);margin-bottom:16px;}
.lead-list{display:grid;gap:12px;margin-top:24px;}
.lead-list li{
  display:flex;gap:12px;align-items:flex-start;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:14px 18px;box-shadow:var(--sh);
  font-size:15px;color:var(--ink-2);
}
.lead-list li b{color:var(--ink);font-weight:600;}
.dot{width:22px;height:22px;border-radius:50%;background:var(--grad-soft);color:var(--brand);display:grid;place-items:center;flex:none;font-size:12px;font-weight:800;margin-top:2px;}
.lead-figure{border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh);border:1px solid var(--line);background:#fff;}
.lead-figure img{width:100%;aspect-ratio:4 / 3;object-fit:cover;}
.lead-figure figcaption{padding:14px 20px;font-size:13px;color:var(--ink-2);border-top:1px solid var(--line);}

/* timeline */
.timeline{position:relative;margin-top:48px;}
.timeline::before{
  content:"";
  position:absolute;left:27px;top:16px;bottom:16px;width:2px;
  background:repeating-linear-gradient(to bottom,rgba(240,78,35,.55) 0 9px,transparent 9px 18px);
}
.tl-item{position:relative;padding-left:96px;margin-bottom:26px;}
.tl-item:last-child{margin-bottom:0;}
.tl-num{
  position:absolute;left:0;top:4px;
  width:56px;height:56px;border-radius:50%;
  background:var(--grad);color:#fff;
  display:grid;place-items:center;
  font-size:19px;font-weight:800;
  font-variant-numeric:tabular-nums;
  box-shadow:0 12px 26px rgba(240,78,35,.28);
}
.tl-card{
  position:relative;
  background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:26px 28px;
  box-shadow:var(--sh);
  transition:transform .22s ease,box-shadow .22s ease;
  overflow:hidden;
}
.tl-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:var(--grad);opacity:0;transition:opacity .22s ease;
}
.tl-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hov);}
.tl-card:hover::before{opacity:1;}
.tl-card h3{font-size:21px;margin-bottom:10px;}
.tl-card p{color:var(--ink-2);font-size:15px;margin-bottom:16px;}
.tl-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;justify-content:space-between;}
.tags{display:flex;flex-wrap:wrap;gap:8px;}
.tag{
  display:inline-flex;align-items:center;
  height:28px;padding:0 12px;border-radius:var(--r-pill);
  background:var(--bg-alt);color:var(--ink-2);
  font-size:12.5px;font-weight:600;
}
.tag.brand{background:rgba(240,78,35,.1);color:var(--brand);}
.tag.teal{background:rgba(18,165,148,.12);color:#0E8377;}
.tag.amber{background:rgba(255,176,32,.18);color:#8A5B00;}
.link-more{
  font-size:14px;font-weight:600;color:var(--brand);
  display:inline-flex;align-items:center;gap:6px;
  border-bottom:1.5px solid rgba(240,78,35,.28);
  padding-bottom:2px;
  transition:border-color .2s ease,color .2s ease;
}
.link-more:hover{border-color:var(--brand);}

/* data grid */
.data-grid{
  display:grid;
  grid-template-columns:1.25fr .75fr;
  grid-template-rows:auto auto;
  gap:24px;
}
.card{
  background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:28px;
  box-shadow:var(--sh);
  position:relative;overflow:hidden;
  transition:transform .22s ease,box-shadow .22s ease;
}
.card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:var(--grad);opacity:0;transition:opacity .22s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-hov);}
.card:hover::before{opacity:1;}
.card-lg{grid-row:span 2;display:flex;flex-direction:column;padding:0;}
.card-lg img{width:100%;aspect-ratio:16 / 10;object-fit:cover;}
.card-lg .card-body{padding:28px;display:flex;flex-direction:column;flex:1;}
.card-lg h3{font-size:24px;margin-bottom:12px;}
.card-lg p{color:var(--ink-2);margin-bottom:20px;}
.card h3{font-size:20px;margin-bottom:10px;}
.card p{color:var(--ink-2);font-size:15px;}
.badge{
  display:inline-flex;align-items:center;gap:8px;
  height:34px;padding:0 16px;border-radius:var(--r-pill);
  background:var(--grad);color:#fff;
  font-size:13px;font-weight:700;
  box-shadow:0 8px 18px rgba(240,78,35,.24);
}
.badge.plain{background:var(--bg-alt);color:var(--brand);box-shadow:none;}
.mini-list{display:grid;gap:12px;margin-top:18px;}
.mini-list li{
  display:flex;justify-content:space-between;gap:14px;
  padding:12px 0;border-bottom:1px dashed var(--line);
  font-size:14px;color:var(--ink-2);
}
.mini-list li:last-child{border-bottom:0;}
.mini-list b{color:var(--ink);font-weight:600;font-variant-numeric:tabular-nums;}

/* device cards */
.device-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.device-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh);
  transition:transform .22s ease,box-shadow .22s ease;
  display:flex;flex-direction:column;
}
.device-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hov);}
.device-card img{width:100%;aspect-ratio:16 / 10;object-fit:cover;}
.device-card .dc-body{padding:22px 24px 26px;display:flex;flex-direction:column;flex:1;}
.device-card h3{font-size:19px;margin-bottom:10px;}
.device-card p{color:var(--ink-2);font-size:14.5px;}
.device-card .tags{margin-top:auto;padding-top:18px;}

/* faq */
.faq-wrap{max-width:880px;margin:0 auto;}
.faq-item{
  position:relative;
  background:#fff;border:1px solid var(--line);
  border-radius:20px;margin-bottom:14px;
  box-shadow:var(--sh);overflow:hidden;
}
.faq-item::before{
  content:"";position:absolute;left:0;top:18px;bottom:18px;width:4px;
  background:var(--grad);border-radius:0 4px 4px 0;
  opacity:0;transition:opacity .22s ease;
}
.faq-item[open]::before{opacity:1;}
.faq-item summary{
  list-style:none;cursor:pointer;
  padding:22px 26px;
  font-size:17px;font-weight:600;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";flex:none;
  width:28px;height:28px;border-radius:50%;
  background:var(--bg-alt);color:var(--brand);
  display:grid;place-items:center;
  font-size:18px;font-weight:700;line-height:1;
}
.faq-item[open] summary::after{content:"−";background:var(--grad);color:#fff;}
.faq-item .faq-body{padding:0 26px 24px;color:var(--ink-2);font-size:15px;line-height:1.8;}

/* cta */
.cta-band{
  position:relative;
  background:var(--dark);
  color:#fff;
  padding:88px 0;
  overflow:hidden;
}
.cta-band::after{
  content:"";
  position:absolute;right:-120px;top:-140px;
  width:460px;height:460px;border-radius:50%;
  background:var(--grad);opacity:.34;filter:blur(6px);
}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;}
.cta-inner h2{font-size:32px;margin-bottom:12px;}
.cta-inner p{color:rgba(255,255,255,.76);font-size:15px;}
.cta-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap;}
.cta-note{font-size:14px;color:rgba(255,255,255,.66);}

/* footer */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:72px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:52px;}
.footer-brand .brand-name{color:#fff;}
.footer-slogan{color:#fff;font-weight:600;margin:18px 0 10px;font-size:15px;}
.footer-note{font-size:14px;color:rgba(255,255,255,.6);max-width:300px;}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:18px;}
.footer-col li{margin-bottom:11px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.68);transition:color .2s ease;}
.footer-col a:hover{color:var(--brand-2);}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:22px 0;}
.footer-bottom .container{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.52);}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .hero h1{font-size:42px;}
  .nav-search input{width:120px;}
}
@media (max-width:1023px){
  :root{--sec-y:72px;}
  .nav-links{
    position:fixed;top:72px;left:0;right:0;bottom:0;
    background:#fff;
    flex-direction:column;align-items:stretch;gap:4px;
    padding:20px 24px 32px;
    margin-left:0;
    overflow-y:auto;
    transform:translateY(-12px);
    opacity:0;visibility:hidden;
    transition:opacity .22s ease,transform .22s ease,visibility .22s ease;
    box-shadow:0 20px 40px rgba(27,26,31,.12);
  }
  body.nav-open .nav-links{opacity:1;visibility:visible;transform:translateY(0);}
  .nav-links a{
    color:var(--ink);font-size:16px;font-weight:600;
    padding:14px 18px;border-radius:14px;min-height:48px;
    display:flex;align-items:center;
  }
  .site-header.is-scrolled .nav-links a{color:var(--ink);}
  .nav-links a:hover{background:var(--bg-alt);color:var(--brand);}
  .nav-links a.is-active{color:#fff;background:var(--grad);}
  .nav-toggle{display:inline-flex;}
  .nav-search{display:none;}
  .nav-actions .btn-line{display:none;}
  .site-header.is-scrolled,.site-header{background:transparent;}
  body.nav-open .site-header{background:#fff;border-bottom:1px solid var(--line);}
  body.nav-open .brand-name{color:var(--ink);}
  body.nav-open .nav-toggle{background:var(--bg-alt);border-color:var(--line);color:var(--ink);}
  .hero{padding:132px 0 72px;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero h1{font-size:36px;}
  .lead-grid{grid-template-columns:1fr;gap:36px;}
  .data-grid{grid-template-columns:1fr;}
  .card-lg{grid-row:auto;}
  .device-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  .section-head h2,.lead-text h2{font-size:26px;}
  .hero h1{font-size:31px;}
  .hero-sub{font-size:15.5px;}
  .hero-cta{gap:12px;}
  .hero-cta .btn{width:100%;}
  .hero-stats{gap:10px;}
  .stat-badge{flex:1 1 45%;}
  .device-grid{grid-template-columns:1fr;}
  .tl-item{padding-left:72px;}
  .tl-num{width:44px;height:44px;font-size:16px;}
  .timeline::before{left:21px;}
  .tl-card{padding:22px 20px;}
  .cta-inner h2{font-size:25px;}
  .cta-actions .btn{width:100%;}
  .faq-item summary{font-size:15.5px;padding:18px 20px;}
  .faq-item .faq-body{padding:0 20px 20px;}
  .footer-grid{grid-template-columns:1fr;}
}
@media (max-width:479px){
  .hero h1{font-size:27px;}
  .hero-tag{font-size:12.5px;}
  .stat-badge b{font-size:22px;}
  .tl-item{padding-left:64px;}
  .tl-num{width:38px;height:38px;font-size:14px;}
  .timeline::before{left:18px;}
  .btn{font-size:15px;padding:0 22px;}
  .badge{height:30px;padding:0 13px;font-size:12px;}
}

/* roulang page: category4 */
/* ============ 设计变量 ============ */
:root{
  --brand:#F04E23;
  --brand-light:#FF7A18;
  --brand-deep:#E23A6B;
  --grad:linear-gradient(135deg,#FF7A18 0%,#F04E23 55%,#E23A6B 100%);
  --teal:#12A594;
  --amber:#FFB020;
  --ink:#1B1A1F;
  --ink-2:#6B6570;
  --line:#ECE6DE;
  --bg:#FBF7F2;
  --card:#FFFFFF;
  --warm:#F5F0E9;
  --dark:#16141A;
  --r-xl:24px;
  --r-md:16px;
  --r-sm:14px;
  --r-pill:999px;
  --sh-1:0 10px 30px rgba(27,26,31,.08);
  --sh-2:0 18px 44px rgba(240,78,35,.16);
  --max:1200px;
  --nav-h:72px;
}

/* ============ Reset / Base ============ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
body.nav-open{overflow:hidden}
h1,h2,h3,h4,p,figure{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:none}
svg{display:block}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:3px solid rgba(240,78,35,.35);outline-offset:2px;border-radius:8px}

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

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease,background .2s ease,color .2s ease;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(240,78,35,.28)}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.05);box-shadow:0 16px 34px rgba(240,78,35,.34)}
.btn-primary:active{transform:translateY(1px);box-shadow:0 6px 16px rgba(240,78,35,.26)}
.btn-ghost{background:transparent;border:1.5px solid rgba(255,255,255,.62);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.14);border-color:#fff}
.btn-outline{background:transparent;border:1.5px solid var(--brand);color:var(--brand)}
.btn-outline:hover{background:rgba(240,78,35,.08);transform:translateY(-2px)}
.btn-sm{height:42px;padding:0 20px;font-size:14px}

/* ============ 导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  height:var(--nav-h);display:flex;align-items:center;
  color:#fff;border-bottom:1px solid transparent;
  transition:background .3s ease,color .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.site-header.is-scrolled{
  background:#FFFFFF;color:var(--ink);
  border-bottom-color:var(--line);
  box-shadow:0 6px 24px rgba(27,26,31,.07);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;width:100%}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:17px;letter-spacing:.01em;color:inherit}
.brand-mark{
  width:36px;height:36px;border-radius:12px;background:var(--grad);color:#fff;
  display:grid;place-items:center;flex:none;box-shadow:0 6px 16px rgba(240,78,35,.32);
}
.brand-mark svg{width:20px;height:20px}
.brand-name{white-space:nowrap}

.nav-links{display:flex;align-items:center;gap:4px;font-size:15px}
.nav-links a{
  display:inline-block;padding:9px 14px;border-radius:var(--r-pill);
  opacity:.88;transition:background .2s ease,color .2s ease,opacity .2s ease;
}
.nav-links a:hover{opacity:1;background:rgba(240,78,35,.12);color:var(--brand)}
.nav-links a.is-active{background:var(--grad);color:#fff;opacity:1;box-shadow:0 8px 20px rgba(240,78,35,.28)}
.site-header.is-scrolled .nav-links a:hover{color:var(--brand)}

.nav-right{display:flex;align-items:center;gap:12px}
.nav-search{
  display:flex;align-items:center;gap:8px;height:44px;padding:0 16px;
  border-radius:var(--r-pill);background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.3);transition:background .25s ease,border-color .25s ease;
}
.nav-search svg{width:17px;height:17px;flex:none;opacity:.8}
.nav-search input{
  width:150px;border:none;background:transparent;outline:none;font-size:14px;
}
.nav-search input::placeholder{color:currentColor;opacity:.7}
.nav-search:focus-within{border-color:var(--brand);background:rgba(255,255,255,.2)}
.site-header.is-scrolled .nav-search{background:var(--warm);border-color:var(--line)}
.site-header.is-scrolled .nav-search:focus-within{border-color:var(--brand);background:#fff;box-shadow:0 0 0 4px rgba(240,78,35,.12)}

.nav-actions{display:flex;align-items:center;gap:10px}
.btn-line{
  display:inline-flex;align-items:center;justify-content:center;height:42px;padding:0 20px;
  border-radius:var(--r-pill);border:1.5px solid currentColor;font-size:14px;font-weight:600;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
}
.btn-line:hover{color:var(--brand);border-color:var(--brand);background:rgba(240,78,35,.08);transform:translateY(-1px)}

.nav-toggle{display:none;width:44px;height:44px;border-radius:12px;align-items:center;justify-content:center;color:inherit}
.nav-toggle svg{width:22px;height:22px}
.nav-toggle:hover{background:rgba(240,78,35,.12);color:var(--brand)}

/* ============ 页面首屏 ============ */
.page-hero{position:relative;padding:158px 0 92px;background:var(--dark);color:#fff;overflow:hidden}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(118deg,rgba(22,20,26,.95) 8%,rgba(22,20,26,.78) 52%,rgba(226,58,107,.62) 100%),
    url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
}
.page-hero::after{
  content:"";position:absolute;width:560px;height:560px;border-radius:50%;
  background:var(--grad);filter:blur(140px);opacity:.32;right:-160px;top:-200px;
}
.page-hero .container{position:relative;z-index:2}
.crumb{font-size:13px;color:rgba(255,255,255,.66);margin-bottom:18px;letter-spacing:.02em}
.crumb a{color:rgba(255,255,255,.66)}
.crumb a:hover{color:#fff}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;height:34px;padding:0 16px;margin-bottom:20px;
  border-radius:var(--r-pill);background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.24);
  font-size:13px;font-weight:600;letter-spacing:.06em;
}
.hero-tag i{width:7px;height:7px;border-radius:50%;background:var(--amber);display:block}
.page-hero h1{
  font-size:clamp(30px,4.2vw,48px);line-height:1.16;font-weight:700;letter-spacing:-.01em;
  max-width:820px;
}
.hero-sub{margin-top:18px;font-size:17px;line-height:1.8;color:rgba(255,255,255,.82);max-width:640px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-stats{display:flex;flex-wrap:wrap;gap:16px;margin-top:46px}
.stat{
  min-width:168px;padding:16px 22px;border-radius:18px;
  background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.18);
}
.stat b{display:block;font-size:30px;font-weight:700;line-height:1.2;font-variant-numeric:tabular-nums}
.stat span{display:block;margin-top:4px;font-size:13px;color:rgba(255,255,255,.68)}

/* ============ 通用板块 ============ */
.section{padding:96px 0}
.section-warm{background:var(--warm)}
.section-head{max-width:740px;margin-bottom:44px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;
  letter-spacing:.1em;color:var(--brand);
}
.eyebrow::before{content:"";width:22px;height:3px;border-radius:2px;background:var(--grad)}
.section-head h2{
  margin:14px 0 14px;font-size:clamp(24px,3vw,34px);line-height:1.28;font-weight:700;letter-spacing:-.01em;
}
.section-head p{font-size:16px;color:var(--ink-2);line-height:1.8}
.section-head-center{margin-left:auto;margin-right:auto;text-align:center}
.section-head-center .eyebrow::before{display:none}

/* ============ 标签筛选条 ============ */
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:34px}
.chip{
  display:inline-flex;align-items:center;height:40px;padding:0 20px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--line);font-size:14px;font-weight:600;color:var(--ink-2);
  transition:color .2s ease,border-color .2s ease,background .2s ease,box-shadow .2s ease,transform .2s ease;
}
.chip:hover{color:var(--brand);border-color:rgba(240,78,35,.45);transform:translateY(-1px)}
.chip.is-active{background:var(--grad);color:#fff;border-color:transparent;box-shadow:0 10px 24px rgba(240,78,35,.26)}

/* ============ 2×2 网格卡 ============ */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
.tile-card{
  position:relative;display:flex;flex-direction:column;background:#fff;
  border:1px solid var(--line);border-radius:var(--r-xl);overflow:hidden;
  transition:transform .25s ease,box-shadow .25s ease;
}
.tile-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad);
  opacity:0;transition:opacity .25s ease;z-index:3;
}
.tile-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.tile-card:hover::before{opacity:1}
.tile-media{position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--warm)}
.tile-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.tile-card:hover .tile-media img{transform:scale(1.05)}
.tile-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(22,20,26,0) 55%,rgba(22,20,26,.4) 100%)}
.tile-badge{
  position:absolute;left:18px;top:18px;z-index:2;height:32px;padding:0 14px;
  display:inline-flex;align-items:center;border-radius:var(--r-pill);
  background:rgba(255,255,255,.94);color:var(--brand);font-size:13px;font-weight:700;
}
.tile-body{padding:24px 26px 28px;display:flex;flex-direction:column;gap:10px;flex:1}
.tile-body h3{font-size:21px;font-weight:600;line-height:1.4}
.tile-body p{font-size:15px;color:var(--ink-2);line-height:1.75;flex:1}
.link-more{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand);
  transition:gap .2s ease,color .2s ease;
}
.link-more:hover{gap:11px;color:var(--brand-deep)}
.link-more::after{content:"›";font-size:16px;line-height:1}

/* ============ 数据徽章行 ============ */
.stat-row{display:flex;flex-wrap:wrap;gap:16px;margin-top:40px}
.pill-stat{
  display:inline-flex;align-items:center;gap:12px;height:60px;padding:0 22px;border-radius:18px;
  background:#fff;border:1px solid var(--line);box-shadow:var(--sh-1);
}
.pill-stat b{font-size:26px;font-weight:700;color:var(--brand);font-variant-numeric:tabular-nums}
.pill-stat span{font-size:13px;color:var(--ink-2)}
.pill-stat.is-dark{background:var(--grad);border-color:transparent;box-shadow:0 14px 32px rgba(240,78,35,.28)}
.pill-stat.is-dark b,.pill-stat.is-dark span{color:#fff}

/* ============ 权益清单 ============ */
.check-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.check-item{
  display:flex;gap:14px;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:20px 22px;transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.check-item:hover{transform:translateY(-3px);box-shadow:var(--sh-1);border-color:rgba(240,78,35,.28)}
.check-ico{
  width:28px;height:28px;border-radius:50%;background:rgba(18,165,148,.13);color:var(--teal);
  display:grid;place-items:center;flex:none;margin-top:2px;
}
.check-ico svg{width:15px;height:15px}
.check-item h4{font-size:16px;font-weight:600;margin-bottom:5px}
.check-item p{font-size:14px;color:var(--ink-2);line-height:1.7}

/* ============ 步骤 ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.step{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:20px;
  padding:28px 24px;transition:transform .22s ease,box-shadow .22s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.step-num{
  width:46px;height:46px;border-radius:50%;background:var(--grad);color:#fff;
  display:grid;place-items:center;font-size:18px;font-weight:700;
  font-variant-numeric:tabular-nums;margin-bottom:18px;box-shadow:0 8px 20px rgba(240,78,35,.28);
}
.step h3{font-size:19px;font-weight:600;margin-bottom:9px}
.step p{font-size:14px;color:var(--ink-2);line-height:1.75}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:14px;max-width:900px}
.faq-item{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:20px;
  padding:0 26px;overflow:hidden;transition:box-shadow .25s ease,border-color .25s ease;
}
.faq-item:hover{box-shadow:var(--sh-1)}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--grad);
  transform:scaleY(0);transform-origin:top;transition:transform .32s ease;
}
.faq-item[open]::before{transform:scaleY(1)}
.faq-item[open]{border-color:rgba(240,78,35,.3)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:22px 0;display:flex;align-items:flex-start;
  justify-content:space-between;gap:18px;font-size:17px;font-weight:600;line-height:1.55;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-icon{
  flex:none;width:30px;height:30px;border-radius:50%;background:var(--warm);color:var(--brand);
  display:grid;place-items:center;font-size:18px;line-height:1;font-weight:400;
  transition:transform .3s ease,background .3s ease,color .3s ease;
}
.faq-item[open] .faq-icon{transform:rotate(45deg);background:var(--grad);color:#fff}
.faq-a{padding:0 0 24px;font-size:15px;line-height:1.8;color:var(--ink-2);max-width:760px}

/* ============ CTA 收尾 ============ */
.cta-band{position:relative;background:var(--dark);color:#fff;padding:92px 0;overflow:hidden}
.cta-band::after{
  content:"";position:absolute;width:560px;height:560px;border-radius:50%;
  background:var(--grad);filter:blur(150px);opacity:.36;right:-140px;top:-180px;
}
.cta-inner{position:relative;z-index:2;max-width:640px}
.cta-band h2{font-size:clamp(24px,3vw,36px);line-height:1.3;font-weight:700;margin-bottom:16px}
.cta-band p{color:rgba(255,255,255,.76);font-size:16px;line-height:1.8}
.cta-actions{display:flex;flex-wrap:wrap;align-items:center;gap:18px;margin-top:32px}
.cta-hint{font-size:14px;color:rgba(255,255,255,.62)}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:76px 0 0}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:56px;
}
.footer-brand .brand{color:#fff;margin-bottom:18px}
.footer-slogan{font-size:15px;color:#fff;font-weight:600;margin-bottom:10px}
.footer-note{font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);max-width:320px}
.footer-col h4{font-size:16px;font-weight:600;color:#fff;margin-bottom:18px}
.footer-col ul{display:grid;gap:12px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72);transition:color .2s ease}
.footer-col a:hover{color:var(--brand-light)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1)}
.footer-bottom .container{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  padding-top:22px;padding-bottom:22px;font-size:13px;color:rgba(255,255,255,.56);
}

/* ============ 移动端固定条 ============ */
.mobile-cta{display:none}
.mobile-cta span{font-size:14px;font-weight:600;flex:1}
.mobile-cta-close{width:30px;height:30px;border-radius:50%;color:var(--ink-2);font-size:19px;line-height:1;flex:none}
.mobile-cta-close:hover{background:var(--warm);color:var(--brand)}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .nav-links{
    position:fixed;left:0;right:0;top:var(--nav-h);bottom:0;z-index:70;
    display:flex;flex-direction:column;align-items:stretch;gap:6px;
    background:var(--bg);padding:96px 20px 150px;overflow-y:auto;
    transform:translateX(103%);transition:transform .32s ease;
    box-shadow:-10px 0 34px rgba(27,26,31,.14);
  }
  .nav-links.is-open{transform:translateX(0)}
  .nav-links a{font-size:17px;padding:15px 18px;border-radius:14px;opacity:1;color:var(--ink)}
  .nav-links a.is-active{color:#fff}
  .nav-search{
    position:fixed;left:20px;right:20px;top:88px;z-index:76;
    width:auto;height:48px;background:var(--warm);border-color:var(--line);color:var(--ink);
    opacity:0;visibility:hidden;transform:translateY(-8px);
    transition:opacity .22s ease,transform .22s ease,visibility .22s ease;
  }
  .nav-search input{width:100%}
  body.nav-open .nav-search{opacity:1;visibility:visible;transform:none}
  .nav-actions{
    position:fixed;left:20px;right:20px;bottom:30px;z-index:76;
    display:flex;gap:12px;opacity:0;visibility:hidden;
    transition:opacity .22s ease,visibility .22s ease;
  }
  body.nav-open .nav-actions{opacity:1;visibility:visible}
  .nav-actions .btn-line,.nav-actions .btn{flex:1;height:48px;color:var(--ink)}
  .nav-actions .btn-line:hover{color:var(--brand)}
  .nav-toggle{display:inline-flex}
  .grid-2{grid-template-columns:repeat(2,1fr);gap:22px}
  .steps{grid-template-columns:repeat(2,1fr)}
  .section{padding:84px 0}
  .page-hero{padding:140px 0 76px}
}

@media (max-width:768px){
  .container{padding:0 20px}
  .section{padding:64px 0}
  .section-head{margin-bottom:32px}
  .page-hero{padding:124px 0 62px}
  .hero-stats{gap:12px;margin-top:34px}
  .stat{min-width:0;flex:1 1 150px;padding:14px 18px}
  .stat b{font-size:24px}
  .grid-2{grid-template-columns:1fr}
  .check-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding-bottom:40px}
  .footer-note{max-width:none}
  .site-footer{padding-bottom:84px}
  .mobile-cta{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:60;align-items:center;gap:12px;
    padding:12px 16px;background:#fff;border-top:1px solid var(--line);
    box-shadow:0 -8px 24px rgba(27,26,31,.1);
  }
  .mobile-cta .btn{height:42px;padding:0 18px;font-size:14px}
  .faq-item{padding:0 20px}
  .faq-item summary{font-size:16px}
}

@media (max-width:520px){
  .brand-name{font-size:15px}
  .page-hero h1{font-size:28px}
  .hero-sub{font-size:15px}
  .hero-actions .btn{width:100%}
  .pill-stat{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom .container{flex-direction:column;align-items:flex-start}
  .tile-body{padding:20px 20px 24px}
  .tile-body h3{font-size:19px}
  .cta-actions .btn{width:100%}
}