/* roulang page: index */
:root{
  --ink:#17141F;
  --brand-900:#1E1233;
  --brand-700:#3A1E6E;
  --brand-500:#6B3FD4;
  --signal:#00D2A8;
  --accent:#FF9A2E;
  --bg:#F6F4F0;
  --surface:#FFFFFF;
  --line:#E7E3DB;
  --muted:#6B6779;
  --shadow-1:0 2px 8px rgba(23,20,31,.06);
  --shadow-2:0 18px 40px -20px rgba(58,30,110,.35);
  --r-sm:8px;
  --r-md:16px;
  --r-lg:24px;
  --r-pill:999px;
  --maxw:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",Arial,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  font-weight:400;
}
h1,h2,h3,h4,h5{margin:0;font-weight:700;color:var(--ink);line-height:1.25;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
button{font-family:inherit;}
input,select,textarea{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

/* ---------- 基础布局 ---------- */
.container{
  width:100%;
  max-width:var(--maxw);
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}
.section{padding:88px 0;}
.section--tight{padding:64px 0;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:40px;
  flex-wrap:wrap;
}
.section-head h2{font-size:32px;}
.section-head .section-desc{margin-top:10px;color:var(--muted);font-size:15px;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:700;
  letter-spacing:.04em;
  color:var(--brand-500);
  margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--signal);border-radius:2px;}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-weight:700;
  font-size:15px;
  color:var(--brand-700);
  transition:color .2s ease;
}
.link-arrow i{font-size:13px;transition:transform .2s ease;}
.link-arrow:hover{color:var(--brand-500);}
.link-arrow:hover i{transform:translateX(4px);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border:1.5px solid transparent;
  border-radius:var(--r-pill);
  padding:14px 28px;
  font-size:15px;
  font-weight:700;
  cursor:pointer;
  transition:transform .18s ease,background-color .18s ease,color .18s ease,box-shadow .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--brand-500);color:#fff;box-shadow:0 10px 24px -14px rgba(107,63,212,.9);}
.btn-primary:hover{background:#5c34bd;transform:translateY(-1px);}
.btn-outline{background:transparent;border-color:rgba(107,63,212,.55);color:var(--brand-700);}
.btn-outline:hover{background:rgba(107,63,212,.08);border-color:var(--brand-500);}
.btn-ghost{background:transparent;color:var(--brand-700);padding:10px 4px;}
.btn-ghost i{transition:transform .2s ease;}
.btn-ghost:hover i{transform:translateX(3px);}
.btn-light{background:#fff;color:var(--brand-700);}
.btn-light:hover{background:#f1ebff;transform:translateY(-1px);}
.btn-sm{padding:10px 20px;font-size:14px;}
.btn-lg{padding:16px 36px;font-size:16px;}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:12px;
  font-weight:700;
  padding:4px 12px;
  border-radius:var(--r-pill);
  line-height:1.6;
}
.badge-live{background:rgba(0,210,168,.14);color:#00806a;}
.badge-soon{background:rgba(255,154,46,.16);color:#a35c00;}
.badge-done{background:rgba(107,103,121,.14);color:#5b5769;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(255,255,255,.96);
  backdrop-filter:saturate(160%) blur(6px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 22px -16px rgba(23,20,31,.5);}
.nav-inner{
  display:flex;
  align-items:center;
  gap:22px;
  min-height:68px;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:30px;height:30px;
  border-radius:9px;
  background:linear-gradient(135deg,var(--brand-500),var(--brand-700));
  position:relative;
  box-shadow:0 6px 14px -8px rgba(58,30,110,.9);
}
.brand-mark::after{
  content:"";position:absolute;inset:9px;border-radius:4px;background:var(--signal);
}
.brand-text{font-size:19px;font-weight:800;letter-spacing:-.01em;color:var(--brand-900);}
.main-nav{display:flex;align-items:center;gap:6px;flex:1;}
.nav-link{
  position:relative;
  padding:10px 14px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:600;
  color:#443f52;
  transition:color .18s ease,background-color .18s ease;
  white-space:nowrap;
}
.nav-link:hover{color:var(--brand-700);background:rgba(107,63,212,.07);}
.nav-link.is-active{color:var(--brand-700);}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;background:var(--brand-500);
}
.nav-tools{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.nav-search{
  display:flex;align-items:center;gap:8px;
  background:var(--bg);
  border:1px solid var(--line);
  border-radius:12px;
  padding:0 12px;
  height:44px;
  width:220px;
  transition:border-color .18s ease,box-shadow .18s ease,background-color .18s ease;
}
.nav-search i{color:var(--muted);font-size:13px;}
.nav-search input{
  border:0;background:transparent;outline:none;width:100%;height:100%;
  font-size:14px;color:var(--ink);
}
.nav-search input::placeholder{color:#9c98a8;}
.nav-search:focus-within{border-color:var(--brand-500);box-shadow:0 0 0 2px rgba(107,63,212,.22);background:#fff;}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--line);
  border-radius:12px;
  background:#fff;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
  cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--brand-900);border-radius:2px;transition:transform .2s ease,opacity .2s ease;}
.drawer-head{display:none;}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--brand-900);}
.hero-bg{
  position:absolute;inset:0;
  background-size:cover;
  background-position:center;
  transform:scale(1.02);
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(30,18,51,.94) 0%,rgba(30,18,51,.82) 42%,rgba(58,30,110,.55) 100%);
}
.hero-inner{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);
  gap:48px;
  align-items:center;
  padding-top:96px;
  padding-bottom:88px;
  min-height:560px;
}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  color:#CBBBF6;
  background:rgba(255,255,255,.09);
  border:1px solid rgba(255,255,255,.18);
  border-radius:var(--r-pill);
  padding:6px 16px;
  font-size:13px;
  font-weight:700;
  margin-bottom:20px;
}
.hero h1{
  color:#fff;
  font-size:clamp(30px,5vw,52px);
  line-height:1.15;
  font-weight:800;
  letter-spacing:-.015em;
}
.hero-sub{
  margin-top:20px;
  color:rgba(255,255,255,.82);
  font-size:17px;
  max-width:560px;
  line-height:1.85;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px;}
.hero-actions .btn-outline{border-color:rgba(255,255,255,.45);color:#fff;}
.hero-actions .btn-outline:hover{background:rgba(255,255,255,.12);border-color:#fff;}
.hero-meta{
  display:flex;flex-wrap:wrap;gap:28px;
  margin-top:38px;padding-top:26px;
  border-top:1px solid rgba(255,255,255,.16);
}
.hero-meta div{color:rgba(255,255,255,.72);font-size:13px;}
.hero-meta strong{display:block;color:#fff;font-size:22px;font-weight:800;line-height:1.3;}
.hero-card{
  background:rgba(255,255,255,.97);
  border-radius:var(--r-lg);
  padding:26px 26px 22px;
  box-shadow:var(--shadow-2);
  border:1px solid rgba(255,255,255,.6);
}
.hero-card-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px;}
.hero-card-head h3{font-size:18px;}
.hero-card ul li{
  display:flex;gap:12px;
  padding:12px 0;
  border-bottom:1px dashed var(--line);
  font-size:14.5px;
  color:#4a4557;
}
.hero-card ul li:last-child{border-bottom:0;padding-bottom:0;}
.hero-card ul li i{color:var(--signal);margin-top:6px;font-size:13px;}
.hero-card-foot{
  margin-top:18px;padding-top:16px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--muted);
}

/* ---------- 快捷入口条 ---------- */
.quickbar-wrap{margin-top:-42px;position:relative;z-index:5;}
.quickbar{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow-1);
  padding:14px;
  display:flex;
  gap:12px;
  overflow-x:auto;
  scrollbar-width:thin;
}
.quick-item{
  display:flex;align-items:center;gap:12px;
  flex:1 0 220px;
  padding:14px 16px;
  border-radius:var(--r-md);
  border:1px solid transparent;
  transition:background-color .18s ease,border-color .18s ease,transform .18s ease;
}
.quick-item:hover{background:#FAF8FF;border-color:rgba(107,63,212,.28);transform:translateY(-2px);}
.quick-icon{
  width:40px;height:40px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(107,63,212,.1);
  color:var(--brand-500);
  font-size:16px;
  flex-shrink:0;
}
.quick-item strong{display:block;font-size:15px;font-weight:700;line-height:1.4;}
.quick-item span{display:block;font-size:12.5px;color:var(--muted);}
.quick-item i.arrow{margin-left:auto;color:#b3aec2;font-size:12px;}

/* ---------- 图文流程卡 ---------- */
.flow{display:grid;gap:28px;}
.flow-card{
  display:grid;
  grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);
  gap:36px;
  align-items:center;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:28px;
  box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.flow-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(107,63,212,.3);}
.flow-card:nth-child(even){grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);}
.flow-card:nth-child(even) .flow-media{order:2;}
.flow-media{
  position:relative;
  border-radius:var(--r-md);
  overflow:hidden;
  background:#EDE9F5;
  aspect-ratio:16/10;
}
.flow-media img{width:100%;height:100%;object-fit:cover;}
.flow-seq{
  position:absolute;left:14px;top:14px;
  background:rgba(30,18,51,.86);
  color:#fff;
  font-size:12.5px;
  font-weight:800;
  border-radius:var(--r-pill);
  padding:4px 12px;
}
.flow-body h3{font-size:22px;margin-bottom:12px;}
.flow-body p{color:#4f4a5c;font-size:15.5px;}
.flow-body ul{margin-top:16px;display:grid;gap:10px;}
.flow-body ul li{display:flex;gap:10px;font-size:14.5px;color:#544f61;}
.flow-body ul li::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--signal);margin-top:10px;flex-shrink:0;
}
.flow-body .link-arrow{margin-top:20px;}

/* ---------- 奖励宫格 ---------- */
.reward-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:22px;
}
.reward-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  position:relative;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.reward-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(107,63,212,.3);}
.reward-thumb{aspect-ratio:16/9;background:#EDE9F5;overflow:hidden;}
.reward-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.reward-card:hover .reward-thumb img{transform:scale(1.04);}
.reward-tag{
  position:absolute;right:12px;top:12px;
  background:rgba(255,255,255,.94);
  border-radius:var(--r-pill);
  padding:3px 10px;
  font-size:12px;
  font-weight:700;
  color:#a35c00;
  box-shadow:var(--shadow-1);
}
.reward-body{padding:18px;}
.reward-body h4{font-size:17px;margin-bottom:6px;}
.reward-body p{font-size:14px;color:var(--muted);line-height:1.7;}
.reward-body .badge{margin-top:14px;}

/* ---------- 进度轨道 ---------- */
.progress-panel{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:34px;
  box-shadow:var(--shadow-1);
}
.progress-bar{
  height:10px;border-radius:var(--r-pill);
  background:#EDEAF4;
  overflow:hidden;
  margin-bottom:8px;
}
.progress-bar span{display:block;height:100%;border-radius:var(--r-pill);background:linear-gradient(90deg,var(--signal),var(--brand-500));}
.progress-note{font-size:13px;color:var(--muted);margin-bottom:30px;}
.step-track{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:18px;
  position:relative;
}
.step-track::before{
  content:"";position:absolute;left:0;right:0;top:13px;height:2px;background:var(--line);
}
.step{position:relative;padding-top:36px;}
.step-dot{
  position:absolute;top:6px;left:0;
  width:16px;height:16px;border-radius:50%;
  background:#fff;border:3px solid var(--line);
}
.step.is-done .step-dot{border-color:var(--signal);background:var(--signal);}
.step.is-now .step-dot{border-color:var(--brand-500);background:#fff;box-shadow:0 0 0 5px rgba(107,63,212,.14);}
.step h4{font-size:15.5px;margin-bottom:6px;}
.step p{font-size:13.5px;color:var(--muted);}
.step .badge{margin-top:10px;}

/* ---------- CTA 带 ---------- */
.cta-band{
  background:var(--brand-900);
  border-radius:var(--r-lg);
  padding:52px 46px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:36px;
  position:relative;
  overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-40px;bottom:-40px;width:220px;height:220px;
  background-image:radial-gradient(rgba(0,210,168,.5) 1.6px,transparent 1.6px);
  background-size:16px 16px;
  opacity:.6;
}
.cta-band h2{color:#fff;font-size:30px;}
.cta-band p{color:rgba(255,255,255,.76);margin-top:12px;font-size:15.5px;max-width:620px;}
.cta-band .cta-actions{position:relative;z-index:2;flex-shrink:0;}

/* ---------- 最新信息 ---------- */
.news-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:22px;
}
.news-card{
  display:flex;
  flex-direction:column;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(107,63,212,.3);}
.news-thumb{aspect-ratio:16/9;background:#EDE9F5;overflow:hidden;}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.news-card:hover .news-thumb img{transform:scale(1.04);}
.news-body{padding:20px;display:flex;flex-direction:column;flex:1;}
.news-body .badge{align-self:flex-start;margin-bottom:12px;background:rgba(107,63,212,.12);color:var(--brand-700);}
.news-body h3{
  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-card:hover .news-body h3{color:var(--brand-500);}
.news-body p{
  margin-top:10px;font-size:14px;color:var(--muted);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-foot{
  margin-top:18px;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);
}
.empty-state{
  background:var(--surface);
  border:1px dashed var(--line);
  border-radius:var(--r-lg);
  padding:54px 28px;
  text-align:center;
}
.empty-state i{font-size:26px;color:var(--brand-500);margin-bottom:16px;display:block;}
.empty-state p{color:var(--muted);margin-bottom:22px;}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;max-width:900px;margin:0 auto;}
.faq-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--shadow-1);
  overflow:hidden;
  transition:border-color .2s ease;
}
.faq-item.is-open{border-color:rgba(107,63,212,.35);}
.faq-q{
  width:100%;
  background:transparent;
  border:0;
  text-align:left;
  padding:20px 24px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  cursor:pointer;
  font-size:16.5px;
  font-weight:700;
  color:var(--ink);
  transition:color .2s ease;
}
.faq-q:hover{color:var(--brand-500);}
.faq-item.is-open .faq-q{color:var(--brand-500);}
.faq-q .sign{
  flex-shrink:0;width:26px;height:26px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:rgba(107,63,212,.1);
  color:var(--brand-500);
  font-size:13px;
  transition:transform .2s ease;
}
.faq-item.is-open .sign{transform:rotate(180deg);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .22s ease;
  background:var(--bg);
}
.faq-a p{padding:16px 24px 20px;font-size:15px;color:#4f4a5c;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-900);color:#EDE9F5;margin-top:96px;}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1fr;
  gap:40px;
  padding:64px 0 46px;
}
.footer-brand .brand-text{color:#fff;}
.footer-brand p{margin-top:18px;font-size:14px;color:rgba(237,233,245,.7);line-height:1.85;max-width:340px;}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:18px;font-weight:700;}
.footer-col li{margin-bottom:12px;}
.footer-col a{font-size:14px;color:rgba(237,233,245,.72);transition:color .18s ease;}
.footer-col a:hover{color:var(--signal);}
.footer-col .plain{font-size:14px;color:rgba(237,233,245,.72);}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);}
.footer-bottom-inner{
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  padding:22px 0;font-size:13px;color:rgba(237,233,245,.6);
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .section{padding:72px 0;}
  .hero-inner{grid-template-columns:1fr;gap:36px;padding-top:72px;padding-bottom:72px;min-height:auto;}
  .hero-card{max-width:520px;}
  .reward-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .step-track{grid-template-columns:repeat(2,minmax(0,1fr));}
  .step-track::before{display:none;}
  .step{padding-top:30px;}
  .step-dot{position:static;display:block;margin-bottom:12px;}
}
@media (max-width:960px){
  .nav-search{display:none;}
  .nav-toggle{display:flex;}
  .main-nav{
    position:fixed;
    inset:0;
    background:#fff;
    flex-direction:column;
    align-items:stretch;
    gap:6px;
    padding:20px 22px 40px;
    transform:translateX(100%);
    transition:transform .26s ease;
    overflow-y:auto;
    z-index:80;
  }
  .main-nav.is-open{transform:translateX(0);}
  .drawer-head{
    display:flex;align-items:center;justify-content:space-between;
    padding-bottom:16px;margin-bottom:14px;border-bottom:1px solid var(--line);
  }
  .drawer-title{font-size:15px;font-weight:700;color:var(--muted);}
  .drawer-close{
    width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:#fff;
    font-size:20px;line-height:1;color:var(--brand-900);cursor:pointer;
  }
  .nav-link{padding:16px 14px;font-size:16.5px;border-radius:var(--r-sm);}
  .nav-link.is-active{background:rgba(107,63,212,.09);}
  .nav-link.is-active::after{display:none;}
  .drawer-cta{
    display:flex;width:100%;margin-top:20px;
  }
}
@media (max-width:768px){
  .hero h1{letter-spacing:0;}
  .hero-meta{gap:20px;}
  .flow-card,.flow-card:nth-child(even){grid-template-columns:1fr;}
  .flow-card:nth-child(even) .flow-media{order:0;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:40px 26px;}
  .fee{display:block;}
  .footer-bottom-inner{flex-direction:column;align-items:flex-start;}
}
@media (max-width:640px){
  .container{padding-left:18px;padding-right:18px;}
  .section{padding:56px 0;}
  .section-head h2{font-size:24px;}
  .hero-inner{padding-top:52px;padding-bottom:56px;}
  .hero-sub{font-size:15.5px;}
  .hero-meta strong{font-size:19px;}
  .quickbar-wrap{margin-top:-26px;}
  .reward-grid{grid-template-columns:1fr;gap:18px;}
  .news-grid{grid-template-columns:1fr;}
  .reward-grid,.scroll-row{
    display:flex;overflow-x:auto;gap:16px;padding-bottom:8px;
  }
  .reward-grid > *{flex:0 0 82%;}
  .progress-panel{padding:24px 20px;}
  .step-track{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .btn{width:auto;}
  .brand-text{font-size:17px;}
}

/* roulang page: article */
:root{
  --ink:#17141F;
  --brand-900:#1E1233;
  --brand-700:#3A1E6E;
  --brand-500:#6B3FD4;
  --brand-100:#F0EAFC;
  --signal:#00D2A8;
  --signal-soft:#E2FBF5;
  --accent:#FF9A2E;
  --accent-soft:#FFF3E2;
  --bg:#F6F4F0;
  --surface:#FFFFFF;
  --line:#E7E3DB;
  --muted:#6B6779;
  --radius-s:8px;
  --radius-m:16px;
  --radius-l:24px;
  --shadow-1:0 2px 8px rgba(23,20,31,.06);
  --shadow-2:0 18px 40px -20px rgba(58,30,110,.35);
  --header-h:68px;
}

*,*::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","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;background-color:transparent;}
p{margin:0 0 1em;}
h1,h2,h3,h4,h5,h6{margin:0;font-weight:700;}
ul,ol{margin:0;padding:0;}
button{font-family:inherit;}
input,button,select,textarea{font-family:inherit;font-size:inherit;line-height:inherit;}
table{border-collapse:collapse;}
.num{font-variant-numeric:tabular-nums;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}
@media (min-width:640px){
  .container{padding-left:32px;padding-right:32px;}
}

/* ============ 阅读进度条 ============ */
.read-progress{
  position:fixed;top:0;left:0;width:100%;height:3px;
  transform:scaleX(0);transform-origin:0 50%;
  background:linear-gradient(90deg,var(--brand-500),var(--signal));
  z-index:300;pointer-events:none;
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:1.5px solid transparent;cursor:pointer;
  font-size:16px;font-weight:700;line-height:1;
  padding:16px 30px;border-radius:999px;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
  white-space:nowrap;text-align:center;
}
.btn:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;}
.btn i{font-size:14px;}
.btn-primary{background:var(--brand-500);color:#fff;box-shadow:0 10px 24px -14px rgba(107,63,212,.9);}
.btn-primary:hover{background:#5C33BE;transform:translateY(-1px);color:#fff;}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:var(--brand-700);border-color:rgba(107,63,212,.42);}
.btn-ghost:hover{background:rgba(107,63,212,.07);border-color:var(--brand-500);color:var(--brand-700);}
.btn-light{background:#fff;color:var(--brand-700);box-shadow:var(--shadow-1);}
.btn-light:hover{background:#fff;color:var(--brand-500);transform:translateY(-1px);}
.btn-sm{padding:11px 20px;font-size:14px;}
.btn-lg{padding:18px 38px;font-size:17px;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:180;
  background:#fff;border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--shadow-1);}
.nav-inner{display:flex;align-items:center;gap:20px;height:var(--header-h);}

.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-size:19px;font-weight:800;letter-spacing:.2px;
  color:var(--brand-700);flex:0 0 auto;
}
.brand-mark{
  width:26px;height:26px;border-radius:9px;flex:0 0 auto;position:relative;
  background:linear-gradient(135deg,var(--brand-500),var(--signal));
}
.brand-mark::after{
  content:"";position:absolute;inset:7px;border-radius:4px;background:#fff;opacity:.94;
}
.brand-text{white-space:nowrap;}

.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-link{
  padding:9px 14px;border-radius:999px;
  font-size:15px;font-weight:500;color:var(--muted);
  transition:color .2s ease,background-color .2s ease;white-space:nowrap;
}
.nav-link:hover{color:var(--brand-700);background:var(--brand-100);}
.nav-link:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;}
.nav-link.is-active{color:var(--brand-700);background:var(--brand-100);font-weight:700;}

.nav-tools{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.nav-search{
  display:flex;align-items:center;gap:8px;
  height:42px;padding:0 14px;
  background:var(--bg);border:1px solid var(--line);border-radius:999px;
  transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.nav-search:focus-within{
  background:#fff;border-color:var(--brand-500);
  box-shadow:0 0 0 3px rgba(107,63,212,.15);
}
.nav-search i{color:var(--muted);font-size:13px;}
.nav-search input{
  width:148px;height:100%;border:0;outline:0;background:transparent;
  font-size:14px;color:var(--ink);
}
.nav-search input::placeholder{color:#9C97A8;}

.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;
  background:#fff;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:5px;
  transition:border-color .2s ease;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--brand-700);transition:transform .2s ease;}
.nav-toggle:hover{border-color:var(--brand-500);}
.nav-toggle:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;}

.drawer-head{display:none;}
.drawer-cta{display:none;}

@media (max-width:959px){
  .nav-search{display:none;}
  .nav-toggle{display:flex;}
  .main-nav{
    position:fixed;top:0;right:0;bottom:0;
    width:min(360px,88vw);
    background:#fff;
    flex-direction:column;align-items:stretch;gap:4px;
    padding:18px 20px 32px;margin-left:0;
    transform:translateX(102%);
    transition:transform .3s cubic-bezier(.4,0,.2,1);
    box-shadow:-24px 0 60px -34px rgba(23,20,31,.6);
    overflow-y:auto;z-index:200;
  }
  .main-nav.is-open{transform:translateX(0);}
  .drawer-head{
    display:flex;align-items:center;justify-content:space-between;
    padding-bottom:14px;margin-bottom:10px;border-bottom:1px solid var(--line);
  }
  .drawer-title{font-size:15px;font-weight:700;color:var(--brand-900);}
  .drawer-close{
    width:36px;height:36px;border:1px solid var(--line);border-radius:10px;background:#fff;
    font-size:20px;line-height:1;color:var(--muted);cursor:pointer;transition:color .2s,border-color .2s;
  }
  .drawer-close:hover{color:var(--brand-500);border-color:var(--brand-500);}
  .main-nav .nav-link{
    padding:14px 16px;border-radius:12px;font-size:16px;
    border:1px solid transparent;
  }
  .main-nav .nav-link.is-active{background:var(--brand-100);border-color:rgba(107,63,212,.18);}
  .drawer-cta{display:inline-flex;width:100%;margin-top:16px;padding:15px 20px;font-size:15px;}
}

/* ============ 面包屑 ============ */
.breadcrumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  padding:18px 0 0;font-size:13px;color:var(--muted);
}
.breadcrumb a{transition:color .2s ease;}
.breadcrumb a:hover{color:var(--brand-500);}
.breadcrumb .sep{color:#C3BFD0;}
.breadcrumb .current{color:var(--ink);opacity:.86;}

/* ============ 文章头部 ============ */
.article-wrap{max-width:840px;margin:0 auto;}
.article-hero{padding:24px 0 0;}
.article-tags{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px;}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:999px;
  font-size:12.5px;font-weight:600;line-height:1.7;
}
.tag-cat{background:var(--brand-100);color:var(--brand-700);}
.tag-signal{background:var(--signal-soft);color:#0A7D66;}
.tag-accent{background:var(--accent-soft);color:#A25708;}

.article-title{
  font-size:clamp(30px,5vw,52px);
  line-height:1.15;font-weight:800;letter-spacing:-.5px;
  color:var(--brand-900);margin:0 0 18px;
}
.article-meta{
  display:flex;align-items:center;gap:20px;flex-wrap:wrap;
  padding-bottom:20px;border-bottom:1px solid var(--line);
  font-size:13.5px;color:var(--muted);
}
.article-meta .meta-item{display:inline-flex;align-items:center;gap:7px;}
.article-meta i{color:var(--brand-500);font-size:12.5px;}

.article-cover{
  margin:28px 0 0;border-radius:var(--radius-l);overflow:hidden;
  aspect-ratio:16/7;background:var(--brand-100);
}
.article-cover img{width:100%;height:100%;object-fit:cover;}

/* ============ 正文阅读区 ============ */
.article-body{
  padding:38px 0 8px;
  font-size:16.5px;line-height:1.9;color:#2A2635;
  word-wrap:break-word;overflow-wrap:break-word;
}
.article-body p{margin:0 0 1.2em;}
.article-body h2{
  position:relative;padding-left:16px;
  font-size:clamp(22px,3vw,29px);line-height:1.32;font-weight:700;
  color:var(--brand-900);margin:2.2em 0 .7em;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:5px;border-radius:3px;
  background:var(--brand-500);
}
.article-body h3{
  font-size:20px;line-height:1.4;font-weight:700;
  color:var(--brand-700);margin:1.8em 0 .6em;
}
.article-body h4{font-size:17px;font-weight:700;color:var(--brand-900);margin:1.5em 0 .5em;}
.article-body ul,.article-body ol{margin:0 0 1.3em;padding-left:1.45em;}
.article-body li{margin-bottom:.5em;}
.article-body ul li::marker{color:var(--signal);}
.article-body ol li::marker{color:var(--brand-500);font-weight:700;}
.article-body blockquote{
  margin:1.6em 0;padding:18px 22px;
  background:#F1ECFB;border-left:3px solid var(--brand-500);
  border-radius:0 var(--radius-m) var(--radius-m) 0;
  color:#3B3050;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body figure{margin:1.6em 0;}
.article-body figure img{margin-bottom:.6em;}
.article-body img{max-width:100%;height:auto;border-radius:var(--radius-m);margin:1.4em 0 .6em;}
.article-body figcaption{text-align:center;font-size:13px;color:var(--muted);line-height:1.6;}
.article-body code{
  background:#F1EEF9;color:var(--brand-700);
  padding:2px 7px;border-radius:6px;font-size:.92em;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
.article-body pre{
  background:#221838;color:#EEE9FA;padding:18px 20px;
  border-radius:var(--radius-m);overflow-x:auto;
  font-size:14px;line-height:1.7;margin:1.6em 0;
}
.article-body pre code{background:none;color:inherit;padding:0;}
.article-body table{
  width:100%;margin:1.6em 0;font-size:15px;
  border:1px solid var(--line);border-radius:var(--radius-m);overflow:hidden;
}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left;}
.article-body thead th{background:#F1EEF9;color:var(--brand-900);font-weight:700;}
.article-body tbody tr:nth-child(even){background:#FAF9F6;}
.article-body tbody tr:last-child td{border-bottom:0;}
.article-body a{color:var(--brand-500);border-bottom:1px solid rgba(107,63,212,.35);transition:color .2s,border-color .2s;}
.article-body a:hover{color:var(--brand-700);border-color:var(--brand-700);}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2.4em 0;}
.article-body strong{font-weight:700;color:var(--brand-900);}

/* ============ 空态 ============ */
.notice-box{
  background:#fff;border:1px dashed var(--line);border-radius:var(--radius-m);
  padding:44px 28px;text-align:center;box-shadow:var(--shadow-1);
}
.notice-box h2{font-size:22px;color:var(--brand-900);margin:0 0 10px;padding:0;}
.notice-box h2::before{display:none;}
.notice-box p{color:var(--muted);margin:0 0 22px;font-size:15px;}

/* ============ CTA 带 ============ */
.article-extra{padding:64px 0 0;}
.cta-band{
  position:relative;overflow:hidden;
  background:var(--brand-900);color:#EDE9F5;
  border-radius:var(--radius-l);
  padding:46px clamp(24px,5vw,56px);
  display:flex;align-items:center;justify-content:space-between;
  gap:30px;flex-wrap:wrap;
}
.cta-band::after{
  content:"";position:absolute;right:-30px;top:-30px;width:220px;height:220px;
  background-image:radial-gradient(var(--signal) 1.6px,transparent 1.6px);
  background-size:16px 16px;opacity:.3;pointer-events:none;
}
.cta-band h2{font-size:clamp(22px,3vw,30px);line-height:1.3;color:#fff;margin:0 0 10px;}
.cta-band p{margin:0;max-width:540px;font-size:15px;color:rgba(237,233,245,.72);}
.cta-band .btn{position:relative;z-index:1;}

/* ============ 相关推荐 ============ */
.related-block{padding:56px 0 0;}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:16px;flex-wrap:wrap;margin-bottom:22px;
}
.section-head h2{font-size:clamp(21px,2.6vw,26px);color:var(--brand-900);line-height:1.3;}
.link-arrow{
  display:inline-flex;align-items:center;gap:7px;
  font-size:14px;font-weight:600;color:var(--brand-700);
}
.link-arrow i{transition:transform .2s ease;}
.link-arrow:hover{color:var(--brand-500);}
.link-arrow:hover i{transform:translateX(3px);}

.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.rel-card{
  display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-m);
  overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(107,63,212,.32);}
.rel-thumb{aspect-ratio:16/9;background:var(--brand-100);overflow:hidden;}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.rel-card:hover .rel-thumb img{transform:scale(1.04);}
.rel-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.rel-body h3{font-size:16.5px;line-height:1.5;color:var(--brand-900);transition:color .2s ease;}
.rel-card:hover .rel-body h3{color:var(--brand-500);}
.rel-body p{margin:0;font-size:13.5px;line-height:1.75;color:var(--muted);}

.back-row{padding:44px 0 0;}
.back-link{
  display:inline-flex;align-items:center;gap:9px;
  font-size:15px;font-weight:600;color:var(--brand-700);
}
.back-link i{transition:transform .2s ease;}
.back-link:hover{color:var(--brand-500);}
.back-link:hover i{transform:translateX(-3px);}

/* ============ 页脚 ============ */
.site-footer{background:var(--brand-900);color:#EDE9F5;margin-top:96px;}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;padding:64px 0 48px;
}
.footer-brand .brand{color:#fff;font-size:19px;}
.footer-brand p{
  margin:16px 0 0;max-width:340px;
  font-size:14px;line-height:1.85;color:rgba(237,233,245,.68);
}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin:0 0 16px;}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:11px;}
.footer-col a,.footer-col .plain{
  font-size:14px;color:rgba(237,233,245,.72);transition:color .2s ease;
}
.footer-col a:hover{color:var(--signal);}
.footer-bottom{border-top:1px solid rgba(237,233,245,.14);}
.footer-bottom-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;flex-wrap:wrap;padding:20px 0;
  font-size:13px;color:rgba(237,233,245,.6);
}
.footer-bottom-inner p{margin:0;}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;padding:52px 0 40px;}
  .related-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:767px){
  .site-footer{margin-top:64px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding:44px 0 34px;}
  .footer-bottom-inner{flex-direction:column;align-items:flex-start;}
  .article-cover{aspect-ratio:16/9;border-radius:var(--radius-m);}
  .article-meta{gap:14px;}
  .cta-band{padding:34px 22px;}
  .cta-band .btn{width:100%;}
  .article-extra{padding-top:48px;}
  .related-block{padding-top:44px;}
}
@media (max-width:639px){
  .related-grid{grid-template-columns:1fr;}
  .article-body{font-size:16px;}
  .article-tags .tag{font-size:12px;}
  .back-row{padding-top:34px;}
}

/* roulang page: category1 */
:root{
  --ink:#17141F;
  --brand-900:#1E1233;
  --brand-700:#3A1E6E;
  --brand-500:#6B3FD4;
  --brand-500-rgb:107,63,212;
  --signal:#00D2A8;
  --accent:#FF9A2E;
  --bg:#F6F4F0;
  --surface:#FFFFFF;
  --line:#E7E3DB;
  --muted:#6B6779;
  --radius-sm:8px;
  --radius-md:16px;
  --radius-lg:24px;
  --shadow-1:0 2px 8px rgba(23,20,31,.06);
  --shadow-2:0 18px 40px -20px rgba(58,30,110,.35);
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  font-weight:400;
}
body.nav-open{overflow:hidden;}
h1,h2,h3,h4,h5,h6{margin:0;font-weight:700;color:var(--ink);letter-spacing:.2px;}
h1{font-size:clamp(26px,3.8vw,40px);line-height:1.2;font-weight:800;}
h2{font-size:clamp(22px,2.6vw,32px);line-height:1.28;font-weight:800;}
h3{font-size:20px;line-height:1.4;}
h4{font-size:17px;line-height:1.45;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
a{color:var(--brand-700);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--brand-500);}
img{max-width:100%;display:block;}
button,input{font-family:inherit;font-size:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media (min-width:640px){.container{padding:0 32px;}}
.num{font-variant-numeric:tabular-nums;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:1.5px solid transparent;border-radius:999px;
  padding:14px 28px;font-size:16px;font-weight:700;line-height:1;
  cursor:pointer;transition:transform .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease;
  white-space:nowrap;
}
.btn-sm{padding:10px 20px;font-size:14px;}
.btn-lg{padding:16px 36px;font-size:17px;}
.btn-primary{background:var(--brand-500);color:#fff;box-shadow:0 10px 24px -14px rgba(var(--brand-500-rgb),.9);}
.btn-primary:hover{background:#5B32BE;color:#fff;transform:translateY(-1px);}
.btn-primary:active{background:#4C28A4;transform:translateY(0);}
.btn-outline{background:transparent;border-color:var(--brand-500);color:var(--brand-700);}
.btn-outline:hover{background:rgba(var(--brand-500-rgb),.08);color:var(--brand-700);transform:translateY(-1px);}
.btn-light{background:#fff;color:var(--brand-700);}
.btn-light:hover{background:#F3EFFC;color:var(--brand-700);transform:translateY(-1px);}
.btn-ghost{background:transparent;color:var(--brand-700);padding:6px 0;font-weight:700;border-radius:6px;}
.btn-ghost i{transition:transform .18s ease;}
.btn-ghost:hover{color:var(--brand-500);}
.btn-ghost:hover i{transform:translateX(3px);}

/* 徽章 */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;font-size:12.5px;font-weight:700;line-height:1.6;
  letter-spacing:.2px;
}
.badge-doing{background:rgba(0,210,168,.14);color:#04795F;}
.badge-soon{background:rgba(255,154,46,.18);color:#9A5A00;}
.badge-done{background:#EFEDE8;color:var(--muted);}

/* 顶栏 */
.site-header{
  position:sticky;top:0;z-index:60;background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s ease,background-color .22s ease;
}
.site-header.is-scrolled{box-shadow:0 8px 24px -18px rgba(23,20,31,.45);}
.nav-inner{display:flex;align-items:center;gap:18px;min-height:68px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:28px;height:28px;border-radius:9px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--brand-500) 0%,var(--brand-700) 100%);
  position:relative;
}
.brand-mark::after{
  content:"";position:absolute;inset:8px;border-radius:4px;background:var(--signal);
}
.brand-text{font-size:19px;font-weight:800;color:var(--brand-900);letter-spacing:.3px;}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:auto;}
.nav-link{
  position:relative;padding:9px 14px;border-radius:999px;
  font-size:15px;font-weight:600;color:var(--ink);
}
.nav-link:hover{color:var(--brand-500);background:rgba(var(--brand-500-rgb),.06);}
.nav-link.is-active{color:var(--brand-700);background:rgba(var(--brand-500-rgb),.09);}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;
  border-radius:2px;background:var(--brand-500);
}
.nav-tools{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.nav-search{
  display:flex;align-items:center;gap:8px;height:44px;padding:0 16px;
  background:var(--bg);border:1px solid var(--line);border-radius:12px;
  transition:border-color .18s ease,box-shadow .18s ease,background-color .18s ease;
}
.nav-search i{color:var(--muted);font-size:14px;}
.nav-search input{
  border:0;background:transparent;outline:none;width:150px;height:100%;
  font-size:14px;color:var(--ink);
}
.nav-search input::placeholder{color:#9C98A6;}
.nav-search:focus-within{background:#fff;border-color:rgba(var(--brand-500-rgb),.6);box-shadow:0 0 0 2px rgba(var(--brand-500-rgb),.22);}
.nav-toggle{
  display:none;flex-direction:column;justify-content:center;gap:4px;
  width:44px;height:44px;border:1px solid var(--line);border-radius:12px;background:#fff;cursor:pointer;
}
.nav-toggle span{display:block;height:2px;width:20px;margin:0 auto;background:var(--ink);border-radius:2px;}
.drawer-head{display:none;}
.nav-backdrop{
  position:fixed;inset:0;background:rgba(23,20,31,.42);opacity:0;pointer-events:none;
  transition:opacity .24s ease;z-index:55;
}
.nav-backdrop.is-open{opacity:1;pointer-events:auto;}

@media (max-width:960px){
  .nav-inner{gap:12px;}
  .nav-search{display:none;}
  .nav-toggle{display:flex;}
  .main-nav{
    position:fixed;top:0;right:0;bottom:0;width:min(86vw,360px);
    background:#fff;flex-direction:column;align-items:stretch;gap:6px;
    padding:20px;margin:0;z-index:58;overflow-y:auto;
    transform:translateX(102%);transition:transform .28s ease;box-shadow:var(--shadow-2);
  }
  .main-nav.is-open{transform:translateX(0);}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:14px;margin-bottom:8px;border-bottom:1px solid var(--line);}
  .drawer-title{font-size:14px;font-weight:700;color:var(--muted);letter-spacing:1px;}
  .drawer-close{background:transparent;border:0;font-size:26px;line-height:1;color:var(--muted);cursor:pointer;padding:0 4px;}
  .nav-link{padding:13px 14px;border-radius:12px;font-size:16px;}
  .nav-link.is-active::after{display:none;}
  .drawer-cta{width:100%;margin-top:14px;padding:14px 20px;font-size:15px;}
}

/* Hero */
.page-hero{
  position:relative;color:#fff;overflow:hidden;
  background-image:linear-gradient(90deg,rgba(30,18,51,.95) 0%,rgba(58,30,110,.80) 46%,rgba(107,63,212,.42) 100%),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  border-radius:0 0 var(--radius-lg) var(--radius-lg);
}
.page-hero::after{
  content:"";position:absolute;right:-40px;bottom:-60px;width:220px;height:220px;
  background-image:radial-gradient(rgba(255,255,255,.28) 2px,transparent 2px);
  background-size:18px 18px;opacity:.5;pointer-events:none;
}
.page-hero-inner{
  position:relative;z-index:1;
  display:grid;grid-template-columns:1.4fr .9fr;gap:40px;align-items:center;
  min-height:300px;padding:52px 0;
}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:5px 14px;border-radius:999px;background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.22);
  font-size:13px;font-weight:700;color:#E7FBF6;margin-bottom:16px;
}
.hero-eyebrow i{color:var(--signal);}
.page-hero h1{color:#fff;margin-bottom:14px;}
.page-hero .hero-sub{font-size:17px;color:rgba(255,255,255,.86);max-width:560px;margin-bottom:26px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
.hero-panel{
  background:rgba(255,255,255,.97);color:var(--ink);
  border-radius:var(--radius-md);padding:22px;box-shadow:var(--shadow-2);
}
.hero-panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px;}
.hero-panel-head h3{font-size:16px;}
.hero-panel ul{display:grid;gap:12px;}
.hero-panel li{display:flex;gap:10px;font-size:14px;color:var(--muted);line-height:1.65;}
.hero-panel li i{color:var(--brand-500);margin-top:5px;}
@media (max-width:900px){
  .page-hero-inner{grid-template-columns:1fr;gap:26px;padding:44px 0;min-height:260px;}
}
@media (max-width:520px){
  .hero-actions .btn{width:100%;}
}

/* 通用板块 */
.section{padding:76px 0;}
.section-tight{padding:56px 0;}
@media (max-width:768px){
  .section{padding:52px 0;}
  .section-tight{padding:42px 0;}
}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head p{color:var(--muted);font-size:16px;margin-top:12px;}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:2px;
  color:var(--brand-500);margin-bottom:12px;
}
.lead{font-size:17px;color:#3D3949;}
.surface-block{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-lg);}

/* 导语 */
.intro-grid{display:grid;grid-template-columns:1.25fr .8fr;gap:40px;align-items:start;}
.intro-side{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);
  padding:22px;box-shadow:var(--shadow-1);
}
.intro-side h3{font-size:16px;margin-bottom:14px;}
.intro-side ul{display:grid;gap:12px;}
.intro-side li{display:flex;gap:10px;font-size:14.5px;color:var(--muted);line-height:1.7;}
.intro-side li i{color:var(--signal);margin-top:5px;}
@media (max-width:900px){.intro-grid{grid-template-columns:1fr;gap:26px;}}

/* 图文交替 */
.flow-row{
  display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;
  padding:34px 0;border-top:1px solid var(--line);
}
.flow-row:first-of-type{border-top:0;padding-top:0;}
.flow-row:last-of-type{padding-bottom:0;}
.flow-row.is-reversed .flow-media{order:2;}
.flow-media{
  position:relative;border-radius:var(--radius-md);overflow:hidden;
  aspect-ratio:16/9;background:#EDEAE3;box-shadow:var(--shadow-1);
}
.flow-media img{width:100%;height:100%;object-fit:cover;}
.flow-index{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:42px;height:42px;padding:0 12px;border-radius:12px;
  background:rgba(var(--brand-500-rgb),.1);color:var(--brand-700);
  font-weight:800;font-size:16px;margin-bottom:16px;
}
.flow-body h3{margin-bottom:12px;}
.flow-body p{color:var(--muted);}
.flow-points{display:grid;gap:10px;margin:16px 0 18px;}
.flow-points li{display:flex;gap:10px;font-size:14.5px;color:#3D3949;}
.flow-points li i{color:var(--signal);margin-top:5px;}
@media (max-width:900px){
  .flow-row{grid-template-columns:1fr;gap:24px;padding:28px 0;}
  .flow-row.is-reversed .flow-media{order:0;}
}

/* 卡片组 */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
@media (max-width:1024px){.card-grid{grid-template-columns:repeat(2,1fr);}}
@media (max-width:640px){.card-grid{grid-template-columns:1fr;}}
.card{
  display:flex;flex-direction:column;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius-md);
  box-shadow:var(--shadow-1);overflow:hidden;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(var(--brand-500-rgb),.3);}
.card-media{position:relative;aspect-ratio:16/9;background:#EDEAE3;overflow:hidden;}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.card:hover .card-media img{transform:scale(1.04);}
.card-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-body h3{font-size:18px;}
.card-body p{color:var(--muted);font-size:14.6px;margin:0;}
.card-foot{margin-top:auto;padding-top:6px;}

/* 清单 */
.check-panel{
  display:grid;grid-template-columns:1fr 1fr;gap:24px;
}
.check-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);
  padding:26px;box-shadow:var(--shadow-1);
}
.check-card h3{margin-bottom:16px;display:flex;align-items:center;gap:10px;font-size:18px;}
.check-card h3 i{color:var(--brand-500);}
.check-list{display:grid;gap:14px;}
.check-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:#3D3949;line-height:1.7;}
.check-list li .tick{
  flex:0 0 auto;width:22px;height:22px;border-radius:50%;
  background:rgba(0,210,168,.15);color:#04795F;
  display:inline-flex;align-items:center;justify-content:center;font-size:11px;margin-top:4px;
}
.panel-note{
  background:#FFF4E3;border:1px solid rgba(255,154,46,.42);border-radius:var(--radius-md);
  padding:22px 24px;display:flex;gap:16px;align-items:flex-start;margin-top:24px;
}
.panel-note i{color:var(--accent);font-size:20px;margin-top:4px;}
.panel-note p{color:#7A4A05;font-size:14.6px;margin:0;}
.panel-note strong{color:#5E3800;}
@media (max-width:768px){.check-panel{grid-template-columns:1fr;}}

/* CTA 带 */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--brand-900);color:#fff;border-radius:var(--radius-lg);
  padding:52px 48px;display:flex;align-items:center;justify-content:space-between;gap:32px;
}
.cta-band::after{
  content:"";position:absolute;right:28px;top:50%;transform:translateY(-50%);
  width:180px;height:180px;border-radius:50%;
  background-image:radial-gradient(rgba(0,210,168,.55) 2px,transparent 2px);
  background-size:16px 16px;opacity:.55;pointer-events:none;
}
.cta-band h2{color:#fff;margin-bottom:10px;}
.cta-band p{color:rgba(237,233,245,.78);margin:0;max-width:600px;font-size:15.5px;}
.cta-band .cta-actions{position:relative;z-index:1;display:flex;gap:14px;flex-wrap:wrap;}
@media (max-width:900px){
  .cta-band{flex-direction:column;align-items:flex-start;padding:40px 26px;}
  .cta-band::after{display:none;}
  .cta-actions .btn{width:100%;}
}

/* 页脚 */
.site-footer{background:var(--brand-900);color:#EDE9F5;margin-top:88px;padding-top:64px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px;}
.footer-brand .brand-text{color:#fff;}
.footer-brand p{color:rgba(237,233,245,.72);font-size:14.4px;margin-top:16px;line-height:1.8;}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;letter-spacing:.4px;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{color:rgba(237,233,245,.72);font-size:14.4px;}
.footer-col a:hover{color:var(--signal);}
.footer-col .plain{color:rgba(237,233,245,.72);font-size:14.4px;}
.footer-bottom{margin-top:48px;border-top:1px solid rgba(237,233,245,.14);padding:20px 0;}
.footer-bottom-inner{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;}
.footer-bottom p{margin:0;font-size:13px;color:rgba(237,233,245,.6);}
@media (max-width:768px){
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .site-footer{margin-top:64px;padding-top:48px;}
}

/* roulang page: category2 */
:root{
  --ink:#17141F;
  --brand-900:#1E1233;
  --brand-700:#3A1E6E;
  --brand-500:#6B3FD4;
  --signal:#00D2A8;
  --accent:#FF9A2E;
  --bg:#F6F4F0;
  --surface:#FFFFFF;
  --line:#E7E3DB;
  --muted:#6B6779;
  --radius-sm:8px;
  --radius-md:12px;
  --radius-card:16px;
  --radius-lg:24px;
  --radius-pill:999px;
  --shadow-1:0 2px 8px rgba(23,20,31,.06);
  --shadow-2:0 18px 40px -20px rgba(58,30,110,.35);
}
*,*::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","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:var(--brand-500);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.25;letter-spacing:.2px;}
p{margin:0;}
button,input{font-family:inherit;font-size:inherit;}
button{border:0;background:none;cursor:pointer;}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;}
.num{font-variant-numeric:tabular-nums;}
body.no-scroll{overflow:hidden;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}
.section{padding:88px 0;}
.section-tight{padding:64px 0;}
.section-head{max-width:820px;margin-bottom:40px;}
.section-head h2{font-size:clamp(24px,2.6vw,32px);color:var(--brand-700);}
.section-head p{margin-top:14px;color:var(--muted);font-size:16px;line-height:1.85;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:1px;
  color:var(--brand-500);
  background:rgba(107,63,212,.08);
  border-radius:var(--radius-pill);
  padding:6px 14px;
  margin-bottom:16px;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--signal);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:700;line-height:1;
  padding:15px 28px;
  border-radius:var(--radius-pill);
  transition:transform .2s ease,background-color .2s ease,box-shadow .2s ease,color .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn-sm{padding:11px 20px;font-size:14px;}
.btn-primary{background:var(--brand-500);color:#fff;box-shadow:0 10px 24px -14px rgba(107,63,212,.9);}
.btn-primary:hover{background:#5f36c2;color:#fff;transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  color:var(--brand-700);
  border:1.5px solid rgba(107,63,212,.55);
  background:transparent;
}
.btn-ghost:hover{background:rgba(107,63,212,.06);border-color:var(--brand-500);color:var(--brand-700);}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--brand-500);font-weight:700;font-size:15px;
}
.link-arrow i{transition:transform .2s ease;}
.link-arrow:hover i{transform:translateX(3px);}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--shadow-1);}
.nav-inner{
  display:flex;align-items:center;gap:18px;
  height:68px;
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:30px;height:30px;border-radius:9px;
  background:linear-gradient(135deg,var(--brand-500),var(--brand-700));
  position:relative;
  box-shadow:0 6px 14px -8px rgba(107,63,212,.9);
}
.brand-mark::after{
  content:"";position:absolute;left:8px;top:8px;
  width:14px;height:14px;border-radius:4px;
  background:rgba(255,255,255,.85);
  clip-path:polygon(0 0,100% 0,100% 45%,45% 45%,45% 100%,0 100%);
}
.brand-text{font-size:18px;font-weight:800;color:var(--brand-700);letter-spacing:.3px;}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:12px;}
.nav-link{
  display:inline-block;
  padding:9px 14px;
  font-size:15px;font-weight:600;color:#3c3748;
  border-radius:var(--radius-pill);
  position:relative;
  transition:background-color .2s ease,color .2s ease;
}
.nav-link:hover{background:rgba(107,63,212,.07);color:var(--brand-700);}
.nav-link.is-active{color:var(--brand-500);background:rgba(107,63,212,.08);}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--brand-500);border-radius:2px;
}
.drawer-head{display:none;}
.drawer-cta{display:none;}
.nav-tools{display:flex;align-items:center;gap:12px;margin-left:auto;}
.nav-search{
  display:flex;align-items:center;gap:8px;
  background:var(--bg);
  border:1.5px solid var(--line);
  border-radius:var(--radius-md);
  padding:0 14px;
  height:44px;
  width:220px;
  transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.nav-search i{color:var(--muted);font-size:14px;}
.nav-search input{
  flex:1;border:0;background:transparent;outline:none;
  height:100%;font-size:14px;color:var(--ink);min-width:0;
}
.nav-search input::placeholder{color:#9a96a6;}
.nav-search:focus-within{
  border-color:var(--brand-500);
  background:#fff;
  box-shadow:0 0 0 2px rgba(107,63,212,.22);
}
.nav-toggle{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:44px;height:44px;border-radius:var(--radius-md);
  background:rgba(107,63,212,.08);
}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--brand-700);margin:0 auto;border-radius:2px;}

/* ============ 面包屑 ============ */
.breadcrumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.78);
  margin-bottom:18px;
}
.breadcrumb a{color:rgba(255,255,255,.9);}
.breadcrumb a:hover{color:#fff;}
.breadcrumb .sep{opacity:.6;}

/* ============ Hero ============ */
.page-hero{
  position:relative;
  min-height:300px;
  display:flex;align-items:center;
  padding:56px 0 60px;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(30,18,51,.94) 0%,rgba(58,30,110,.82) 52%,rgba(58,30,110,.52) 100%);
}
.page-hero .container{position:relative;z-index:2;}
.page-hero h1{
  font-size:clamp(28px,3.6vw,42px);
  color:#fff;
  max-width:820px;
}
.page-hero .hero-sub{
  margin-top:16px;
  max-width:660px;
  color:rgba(255,255,255,.86);
  font-size:16px;line-height:1.85;
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.tag{
  display:inline-flex;align-items:center;gap:7px;
  font-size:13px;font-weight:700;
  padding:7px 14px;border-radius:var(--radius-pill);
  background:rgba(255,255,255,.12);
  color:#fff;
  border:1px solid rgba(255,255,255,.22);
}
.tag i{color:var(--signal);font-size:12px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-actions .btn-ghost{color:#fff;border-color:rgba(255,255,255,.6);background:rgba(255,255,255,.06);}
.hero-actions .btn-ghost:hover{background:rgba(255,255,255,.16);color:#fff;border-color:#fff;}

/* ============ 概览图文 ============ */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center;}
.split-body p{color:#413c4f;font-size:16px;line-height:1.9;}
.split-body p + p{margin-top:16px;}
.point-list{margin-top:26px;display:grid;gap:14px;}
.point-item{
  display:flex;gap:14px;align-items:flex-start;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:16px 18px;
  box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.point-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(107,63,212,.3);}
.point-icon{
  flex-shrink:0;width:38px;height:38px;border-radius:11px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(0,210,168,.12);color:#00997c;font-size:15px;
}
.point-item h3{font-size:16px;margin-bottom:4px;color:var(--brand-700);}
.point-item p{font-size:14px;color:var(--muted);line-height:1.7;}
.figure-frame{
  border-radius:var(--radius-lg);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow-2);
  background:#e9e5f2;
  aspect-ratio:16/11;
}
.figure-frame img{width:100%;height:100%;object-fit:cover;}

/* ============ 时间线 ============ */
.timeline-section{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.timeline{position:relative;padding-left:44px;}
.timeline::before{
  content:"";position:absolute;left:15px;top:10px;bottom:26px;width:2px;
  background:linear-gradient(180deg,var(--signal),var(--brand-500) 45%,rgba(107,63,212,.14));
  border-radius:2px;
}
.timeline-item{position:relative;padding-bottom:24px;}
.timeline-item:last-child{padding-bottom:0;}
.timeline-item::before{
  content:"";position:absolute;left:-36px;top:22px;
  width:14px;height:14px;border-radius:50%;
  background:#fff;border:3px solid var(--brand-500);
  box-shadow:0 0 0 4px rgba(107,63,212,.1);
}
.timeline-item.is-done::before{border-color:var(--signal);box-shadow:0 0 0 4px rgba(0,210,168,.14);}
.timeline-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:22px 24px;
  box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.timeline-card:hover{transform:translateX(4px);box-shadow:var(--shadow-2);border-color:rgba(107,63,212,.3);}
.timeline-num{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:38px;height:26px;padding:0 10px;
  border-radius:var(--radius-sm);
  background:rgba(107,63,212,.1);color:var(--brand-500);
  font-size:13px;font-weight:800;letter-spacing:.5px;
  margin-bottom:10px;
}
.timeline-card h3{font-size:18px;color:var(--brand-700);}
.timeline-card p{margin-top:8px;font-size:15px;color:var(--muted);line-height:1.8;}

/* ============ 提示卡 ============ */
.notice{
  display:flex;gap:18px;align-items:flex-start;
  background:#FFF5E6;
  border:1px solid #FFE1B8;
  border-left:4px solid var(--accent);
  border-radius:var(--radius-card);
  padding:22px 24px;
}
.notice-icon{
  flex-shrink:0;width:42px;height:42px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(255,154,46,.2);color:#c96a00;font-size:17px;
}
.notice h3{font-size:17px;color:#8a4a00;}
.notice ul{margin-top:12px;display:grid;gap:8px;}
.notice li{
  position:relative;padding-left:18px;
  font-size:14.5px;color:#6d4a1c;line-height:1.75;
}
.notice li::before{
  content:"";position:absolute;left:0;top:11px;
  width:6px;height:6px;border-radius:50%;background:var(--accent);
}

/* ============ 状态卡 ============ */
.status-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;}
.status-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:24px;
  box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.status-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(107,63,212,.3);}
.status-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px;}
.status-card h3{font-size:18px;color:var(--brand-700);}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:700;
  padding:5px 12px;border-radius:var(--radius-pill);
  white-space:nowrap;
}
.badge-ok{background:rgba(0,210,168,.14);color:#008a70;}
.badge-run{background:rgba(107,63,212,.12);color:var(--brand-500);}
.badge-wait{background:rgba(255,154,46,.18);color:#b56200;}
.badge-idle{background:#EFEDE8;color:#6B6779;}
.status-card p{font-size:15px;color:var(--muted);line-height:1.8;}
.status-card .doc{margin-top:14px;font-size:14px;color:#413c4f;}

/* ============ CTA 带 ============ */
.cta-band{
  position:relative;
  background:var(--brand-900);
  color:#fff;
  border-radius:var(--radius-lg);
  padding:56px 52px;
  overflow:hidden;
  display:flex;align-items:center;justify-content:space-between;gap:36px;
}
.cta-band::after{
  content:"";position:absolute;right:-40px;bottom:-60px;
  width:280px;height:280px;
  background-image:radial-gradient(rgba(0,210,168,.35) 2px,transparent 2px);
  background-size:22px 22px;
  opacity:.7;
  pointer-events:none;
}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);color:#fff;position:relative;z-index:2;}
.cta-band p{margin-top:12px;color:rgba(255,255,255,.78);font-size:15.5px;max-width:640px;position:relative;z-index:2;}
.cta-actions{position:relative;z-index:2;display:flex;gap:14px;flex-wrap:wrap;flex-shrink:0;}
.cta-band .btn-primary{background:var(--signal);color:#06281f;box-shadow:0 12px 26px -14px rgba(0,210,168,.9);}
.cta-band .btn-primary:hover{background:#00bd97;color:#06281f;}
.cta-band .btn-ghost{color:#fff;border-color:rgba(255,255,255,.55);}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff;border-color:#fff;}

/* ============ 页脚 ============ */
.site-footer{background:var(--brand-900);color:#EDE9F5;margin-top:0;}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:40px;
  padding-top:64px;padding-bottom:48px;
}
.footer-brand .brand-text{color:#fff;}
.footer-brand p{
  margin-top:16px;
  font-size:14px;line-height:1.85;
  color:rgba(237,233,245,.7);
  max-width:340px;
}
.footer-col h4{
  font-size:15px;color:#fff;margin-bottom:16px;font-weight:700;
  letter-spacing:.4px;
}
.footer-col ul{display:grid;gap:10px;}
.footer-col a,.footer-col .plain{
  font-size:14px;color:rgba(237,233,245,.72);
  line-height:1.7;
}
.footer-col a:hover{color:var(--signal);}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);}
.footer-bottom-inner{
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  padding-top:20px;padding-bottom:20px;
}
.footer-bottom-inner p{font-size:13px;color:rgba(237,233,245,.6);}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .section{padding:72px 0;}
  .split{grid-template-columns:1fr;gap:36px;}
  .figure-frame{aspect-ratio:16/9;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:44px 36px;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px;}
}
@media (max-width:960px){
  .main-nav{
    position:fixed;inset:0;
    background:#fff;
    flex-direction:column;align-items:stretch;gap:6px;
    padding:20px;
    margin-left:0;
    overflow-y:auto;
    opacity:0;visibility:hidden;transform:translateY(-10px);
    transition:opacity .22s ease,transform .22s ease,visibility .22s;
    z-index:80;
  }
  .main-nav.is-open{opacity:1;visibility:visible;transform:translateY(0);}
  .drawer-head{
    display:flex;align-items:center;justify-content:space-between;
    padding:4px 4px 16px;border-bottom:1px solid var(--line);margin-bottom:10px;
  }
  .drawer-title{font-size:16px;font-weight:800;color:var(--brand-700);}
  .drawer-close{
    font-size:26px;line-height:1;color:var(--muted);
    width:40px;height:40px;border-radius:var(--radius-md);
  }
  .drawer-close:hover{background:rgba(107,63,212,.08);color:var(--brand-500);}
  .nav-link{padding:14px 16px;font-size:16px;border-radius:var(--radius-md);}
  .nav-link.is-active::after{display:none;}
  .drawer-cta{display:flex;width:100%;margin-top:14px;padding:15px 20px;}
  .nav-toggle{display:flex;}
  .nav-search{display:none;}
  .status-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:640px){
  .container{padding-left:18px;padding-right:18px;}
  .section{padding:56px 0;}
  .section-tight{padding:44px 0;}
  .page-hero{min-height:340px;padding:40px 0 44px;}
  .timeline{padding-left:32px;}
  .timeline::before{left:9px;}
  .timeline-item::before{left:-30px;width:12px;height:12px;}
  .timeline-card{padding:18px;}
  .cta-band{padding:34px 24px;border-radius:var(--radius-card);}
  .hero-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;padding-top:48px;}
  .footer-brand p{max-width:none;}
  .footer-bottom-inner{flex-direction:column;align-items:flex-start;}
  .notice{flex-direction:column;gap:12px;}
}
@media (max-width:420px){
  .brand-text{font-size:16px;}
  .status-top{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category3 */
:root{
  --ink:#17141F;
  --brand-900:#1E1233;
  --brand-700:#3A1E6E;
  --brand-500:#6B3FD4;
  --signal:#00D2A8;
  --accent:#FF9A2E;
  --bg:#F6F4F0;
  --surface:#FFFFFF;
  --line:#E7E3DB;
  --muted:#6B6779;
  --radius-sm:8px;
  --radius-md:16px;
  --radius-lg:24px;
  --shadow-1:0 2px 8px rgba(23,20,31,.06);
  --shadow-2:0 18px 40px -20px rgba(58,30,110,.35);
  --font-cn:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand-700);text-decoration:none;transition:color .18s ease,border-color .18s ease,background-color .18s ease;}
a:hover{color:var(--brand-500);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.25;letter-spacing:-.2px;}
p{margin:0;}
button{font-family:inherit;}
input{font-family:inherit;}
.num{font-variant-numeric:tabular-nums;}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{
  outline:2px solid var(--brand-500);
  outline-offset:2px;
  border-radius:6px;
}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:200;
  background:rgba(255,255,255,.96);
  backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s ease;
}
.site-header.is-scrolled{box-shadow:var(--shadow-1);}
.nav-inner{
  display:flex;
  align-items:center;
  gap:20px;
  height:72px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  color:var(--ink);
  font-weight:800;
}
.brand-mark{
  position:relative;
  width:32px;
  height:32px;
  border-radius:10px;
  background:linear-gradient(135deg,var(--brand-500) 0%,var(--brand-700) 62%,var(--brand-900) 100%);
  box-shadow:0 8px 18px -10px rgba(107,63,212,.9);
  flex:0 0 auto;
}
.brand-mark::after{
  content:"";
  position:absolute;
  right:6px;
  bottom:6px;
  width:9px;
  height:9px;
  border-radius:50%;
  background:var(--signal);
}
.brand-text{
  font-size:19px;
  font-weight:800;
  letter-spacing:.2px;
  white-space:nowrap;
}
.main-nav{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:auto;
}
.nav-link{
  display:inline-flex;
  align-items:center;
  padding:9px 14px;
  border-radius:999px;
  font-size:15px;
  font-weight:500;
  color:var(--muted);
  white-space:nowrap;
  transition:background-color .18s ease,color .18s ease;
}
.nav-link:hover{color:var(--brand-700);background:rgba(107,63,212,.07);}
.nav-link.is-active{
  color:var(--brand-700);
  font-weight:700;
  background:rgba(107,63,212,.1);
  box-shadow:inset 0 -2px 0 var(--brand-500);
}
.nav-tools{
  display:flex;
  align-items:center;
  gap:12px;
  margin-left:16px;
  flex:0 0 auto;
}
.nav-search{
  position:relative;
  display:flex;
  align-items:center;
}
.nav-search i{
  position:absolute;
  left:14px;
  font-size:13px;
  color:var(--muted);
  pointer-events:none;
}
.nav-search input{
  height:44px;
  width:200px;
  padding:0 14px 0 36px;
  border:1px solid var(--line);
  border-radius:12px;
  background:var(--bg);
  font-size:14px;
  color:var(--ink);
  transition:border-color .18s ease,box-shadow .18s ease,background-color .18s ease;
}
.nav-search input::placeholder{color:#9d99a8;}
.nav-search input:focus{
  outline:none;
  background:#fff;
  border-color:var(--brand-500);
  box-shadow:0 0 0 2px rgba(107,63,212,.18);
}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  border:1px solid var(--line);
  border-radius:12px;
  background:#fff;
  cursor:pointer;
  padding:0;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
}
.nav-toggle span{
  display:block;
  width:18px;
  height:2px;
  border-radius:2px;
  background:var(--brand-700);
  transition:transform .2s ease,opacity .2s ease;
}
.drawer-head{display:none;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:14px 28px;
  border-radius:999px;
  border:1.5px solid transparent;
  font-size:15px;
  font-weight:700;
  line-height:1;
  cursor:pointer;
  text-align:center;
  transition:background-color .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.btn-primary{
  background:var(--brand-500);
  color:#fff;
  box-shadow:0 14px 26px -16px rgba(107,63,212,1);
}
.btn-primary:hover{background:#5a31c2;color:#fff;transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);background:#4e2aa8;}
.btn-outline{
  background:#fff;
  color:var(--brand-700);
  border-color:rgba(107,63,212,.42);
}
.btn-outline:hover{background:rgba(107,63,212,.06);color:var(--brand-700);border-color:var(--brand-500);}
.btn-light{
  background:#fff;
  color:var(--brand-900);
}
.btn-light:hover{background:#EDE9F5;color:var(--brand-900);transform:translateY(-1px);}
.btn-outline-light{
  background:transparent;
  color:#fff;
  border-color:rgba(255,255,255,.5);
}
.btn-outline-light:hover{background:rgba(255,255,255,.12);color:#fff;}
.btn-sm{padding:10px 20px;font-size:14px;}
.btn-lg{padding:16px 34px;font-size:16.5px;}
.btn-link{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:0;
  border:0;
  background:none;
  color:var(--brand-700);
  font-size:15px;
  font-weight:700;
}
.btn-link i{transition:transform .18s ease;}
.btn-link:hover{color:var(--brand-500);}
.btn-link:hover i{transform:translateX(3px);}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 12px;
  border-radius:999px;
  font-size:12.5px;
  font-weight:700;
  line-height:1.7;
  white-space:nowrap;
}
.badge-cyan{background:rgba(0,210,168,.15);color:#046b55;}
.badge-amber{background:rgba(255,154,46,.18);color:#9c5400;}
.badge-gray{background:#EDEAE4;color:#5d5a66;}
.badge-violet{background:rgba(107,63,212,.12);color:var(--brand-700);}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;
  isolation:isolate;
  min-height:320px;
  display:flex;
  align-items:center;
  padding:60px 0;
  background-color:var(--brand-900);
  background-image:url(/assets/images/backpic/back-2.webp);
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(90deg,rgba(20,12,36,.95) 0%,rgba(30,18,51,.82) 46%,rgba(30,18,51,.5) 100%);
  z-index:-1;
}
.page-hero .container{position:relative;}
.breadcrumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:13.5px;
  color:rgba(255,255,255,.68);
  margin-bottom:18px;
}
.breadcrumb a{color:rgba(255,255,255,.82);}
.breadcrumb a:hover{color:var(--signal);}
.breadcrumb .sep{opacity:.5;}
.hero-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:999px;
  background:rgba(0,210,168,.16);
  border:1px solid rgba(0,210,168,.4);
  color:#8CF6E1;
  font-size:13px;
  font-weight:700;
  margin-bottom:18px;
}
.page-hero h1{
  color:#fff;
  font-size:clamp(26px,3.6vw,40px);
  line-height:1.22;
  max-width:22em;
}
.page-hero .hero-sub{
  margin-top:16px;
  color:rgba(255,255,255,.82);
  font-size:16.5px;
  max-width:56em;
}
.hero-meta{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:24px;
}
.hero-chip{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 16px;
  border-radius:999px;
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.18);
  color:rgba(255,255,255,.9);
  font-size:13.5px;
}
.hero-chip i{color:var(--signal);}

/* ---------- 通用板块 ---------- */
.section{padding:84px 0;}
.section-tint{background:#fff;}
.section-head{max-width:760px;margin-bottom:44px;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:700;
  letter-spacing:1px;
  color:var(--brand-500);
  text-transform:uppercase;
  margin-bottom:12px;
}
.eyebrow::before{
  content:"";
  width:22px;
  height:3px;
  border-radius:2px;
  background:var(--signal);
}
.section-head h2{
  font-size:clamp(23px,3vw,31px);
  color:var(--ink);
}
.section-head p{
  margin-top:14px;
  color:var(--muted);
  font-size:15.5px;
}
.lead-line{
  font-size:16px;
  color:#3c3846;
  max-width:840px;
}
.lead-line strong{color:var(--brand-700);}

/* ---------- 对照区 ---------- */
.compare-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:24px;
}
.compare-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  box-shadow:var(--shadow-1);
  overflow:hidden;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.compare-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-2);
  border-color:rgba(107,63,212,.3);
}
.compare-head{
  display:flex;
  align-items:center;
  gap:12px;
  padding:20px 24px;
  border-bottom:1px solid var(--line);
  background:linear-gradient(180deg,rgba(107,63,212,.07),rgba(107,63,212,0));
}
.compare-head .icon-badge{
  width:40px;
  height:40px;
  border-radius:12px;
  display:grid;
  place-items:center;
  background:rgba(107,63,212,.12);
  color:var(--brand-700);
  font-size:17px;
  flex:0 0 auto;
}
.compare-head h3{font-size:19px;}
.compare-head span.note{
  display:block;
  font-size:12.5px;
  font-weight:500;
  color:var(--muted);
  margin-top:3px;
}
.spec-list{margin:0;padding:10px 24px 22px;}
.spec-row{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:18px;
  padding:14px 0;
  border-bottom:1px dashed var(--line);
  font-size:14.8px;
}
.spec-row:last-child{border-bottom:0;}
.spec-row dt{
  flex:0 0 108px;
  color:var(--muted);
  font-weight:500;
}
.spec-row dd{
  margin:0;
  text-align:right;
  font-weight:600;
  color:var(--ink);
  line-height:1.65;
}
.spec-row dd em{
  font-style:normal;
  color:var(--brand-700);
  font-weight:700;
}

/* ---------- 核对清单 ---------- */
.check-list{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:20px;
}
.check-item{
  display:flex;
  gap:16px;
  padding:24px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  box-shadow:var(--shadow-1);
  transition:border-color .2s ease,transform .2s ease;
}
.check-item:hover{border-color:rgba(107,63,212,.3);transform:translateY(-3px);}
.check-num{
  flex:0 0 auto;
  width:38px;
  height:38px;
  border-radius:11px;
  display:grid;
  place-items:center;
  background:var(--brand-900);
  color:#fff;
  font-size:14px;
  font-weight:800;
  font-variant-numeric:tabular-nums;
}
.check-item h3{font-size:16.5px;margin-bottom:6px;}
.check-item p{font-size:14.3px;color:var(--muted);}

/* ---------- 卡片网格 ---------- */
.entry-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:24px;
}
.card{
  display:flex;
  flex-direction:column;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  box-shadow:var(--shadow-1);
  overflow:hidden;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-2);
  border-color:rgba(107,63,212,.3);
}
.card-media{
  position:relative;
  aspect-ratio:16/9;
  background:linear-gradient(135deg,#EDE9F5,#DFD9EF);
  overflow:hidden;
}
.card-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .38s ease;
}
.card:hover .card-media img{transform:scale(1.04);}
.card-media .corner-badge{
  position:absolute;
  top:14px;
  right:14px;
}
.card-body{
  display:flex;
  flex-direction:column;
  gap:10px;
  padding:24px;
  flex:1;
}
.card-body h3{font-size:18.5px;line-height:1.4;}
.card-body p{font-size:14.6px;color:var(--muted);}
.card-foot{
  margin-top:auto;
  padding-top:8px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:13px;
  color:var(--muted);
}
.card-foot i{color:var(--brand-500);}

/* ---------- FAQ ---------- */
.faq-list{max-width:900px;margin:0 auto;}
.faq-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:14px;
  margin-bottom:14px;
  overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:rgba(107,63,212,.28);}
.faq-item[open]{box-shadow:var(--shadow-1);}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:20px 24px;
  font-size:16.5px;
  font-weight:700;
  color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::marker{content:"";}
.faq-item[open] summary{color:var(--brand-700);}
.faq-icon{
  flex:0 0 auto;
  width:30px;
  height:30px;
  border-radius:50%;
  display:grid;
  place-items:center;
  background:rgba(107,63,212,.1);
  color:var(--brand-700);
  font-size:12px;
  transition:transform .2s ease,background-color .2s ease;
}
.faq-icon .fa-minus{display:none;}
.faq-item[open] .faq-icon{transform:rotate(180deg);background:var(--brand-500);color:#fff;}
.faq-item[open] .faq-icon .fa-plus{display:none;}
.faq-item[open] .faq-icon .fa-minus{display:block;}
.faq-body{
  padding:0 24px 22px;
  font-size:14.8px;
  color:#4a4657;
  background:var(--bg);
  padding-top:16px;
  border-top:1px solid var(--line);
}

/* ---------- CTA 带 ---------- */
.cta-band{
  position:relative;
  overflow:hidden;
  background:var(--brand-900);
  border-radius:var(--radius-lg);
  padding:52px 56px;
  color:#fff;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-40px;
  top:-40px;
  width:240px;
  height:240px;
  background-image:radial-gradient(rgba(255,255,255,.22) 2px,transparent 2px);
  background-size:20px 20px;
  opacity:.55;
  pointer-events:none;
}
.cta-band h2{
  font-size:clamp(22px,2.6vw,28px);
  color:#fff;
  max-width:24em;
}
.cta-band p{
  margin-top:14px;
  color:rgba(255,255,255,.76);
  font-size:15.5px;
  max-width:46em;
}
.cta-actions{
  display:flex;
  gap:14px;
  flex-wrap:wrap;
  position:relative;
  z-index:1;
}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:0;
  background:var(--brand-900);
  color:#EDE9F5;
  padding-top:64px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.7fr 1fr 1fr 1.15fr;
  gap:40px;
  padding-bottom:48px;
}
.site-footer .brand{color:#fff;}
.site-footer .brand:hover{color:#fff;}
.footer-brand p{
  margin-top:18px;
  font-size:14.4px;
  line-height:1.85;
  color:rgba(237,233,245,.7);
  max-width:34em;
}
.footer-col h4{
  font-size:15px;
  color:#fff;
  margin-bottom:18px;
  letter-spacing:.3px;
}
.footer-col ul{
  display:flex;
  flex-direction:column;
  gap:11px;
}
.footer-col a{
  font-size:14.4px;
  color:rgba(237,233,245,.75);
}
.footer-col a:hover{color:var(--signal);}
.footer-col .plain{
  font-size:14.4px;
  color:rgba(237,233,245,.75);
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0;
}
.footer-bottom-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  flex-wrap:wrap;
}
.footer-bottom p{
  margin:0;
  font-size:13px;
  color:rgba(237,233,245,.6);
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .nav-search input{width:160px;}
  .footer-grid{grid-template-columns:1.5fr 1fr 1fr;gap:32px;}
  .footer-brand{grid-column:1 / -1;}
}
@media (max-width:960px){
  .nav-inner{height:64px;gap:12px;}
  .nav-toggle{display:flex;}
  .nav-search{display:none;}
  .nav-tools .btn-primary{display:none;}
  .main-nav{
    position:fixed;
    inset:0;
    z-index:300;
    flex-direction:column;
    align-items:stretch;
    justify-content:flex-start;
    gap:6px;
    padding:20px;
    margin:0;
    background:#fff;
    transform:translateX(100%);
    transition:transform .28s ease;
    overflow-y:auto;
  }
  .main-nav.is-open{transform:translateX(0);}
  .drawer-head{
    display:flex;
    align-items:center;
    justify-content:space-between;
    padding-bottom:16px;
    margin-bottom:12px;
    border-bottom:1px solid var(--line);
  }
  .drawer-title{font-size:16px;font-weight:800;color:var(--brand-900);}
  .drawer-close{
    width:40px;
    height:40px;
    border:1px solid var(--line);
    border-radius:12px;
    background:#fff;
    font-size:22px;
    line-height:1;
    color:var(--brand-700);
    cursor:pointer;
  }
  .nav-link{
    padding:15px 16px;
    border-radius:12px;
    font-size:16px;
    font-weight:600;
  }
  .nav-link.is-active{box-shadow:inset 3px 0 0 var(--brand-500);}
  .drawer-cta{
    margin-top:16px;
    width:100%;
    padding:16px;
    font-size:16px;
  }
  body.nav-open{overflow:hidden;}
  .check-list{grid-template-columns:1fr;}
}
@media (max-width:860px){
  .compare-grid{grid-template-columns:1fr;}
  .entry-grid{grid-template-columns:1fr;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:40px 32px;}
  .cta-actions{width:100%;}
}
@media (max-width:768px){
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-bottom-inner{flex-direction:column;align-items:flex-start;gap:8px;}
}
@media (max-width:640px){
  .container{padding-left:20px;padding-right:20px;}
  .section{padding:52px 0;}
  .section-head{margin-bottom:30px;}
  .page-hero{padding:44px 0;min-height:280px;}
  .page-hero h1{font-size:26px;}
  .page-hero .hero-sub{font-size:15px;}
  .compare-head{padding:18px 18px;}
  .spec-list{padding:8px 18px 18px;}
  .spec-row{flex-direction:column;gap:6px;}
  .spec-row dt{flex:none;}
  .spec-row dd{text-align:left;}
  .card-body{padding:20px;}
  .faq-item summary{padding:18px;font-size:15.5px;}
  .faq-body{padding:14px 18px 20px;}
  .cta-band{padding:32px 22px;border-radius:18px;}
  .cta-actions .btn{width:100%;}
  .btn-lg{padding:15px 26px;font-size:15.5px;}
}