/* roulang page: index */
:root{
  --ink:#130E24;
  --card:#1E1738;
  --raise:#251C45;
  --brand:#FF6A1A;
  --aqua:#22D3C5;
  --lemon:#F5D90A;
  --soft:#F4F1FA;
  --mute:#A79FC0;
  --dim:#6E6688;
  --line:rgba(255,255,255,.07);
  --r-card:16px;
  --r-btn:10px;
  --r-input:10px;
  --sh-card:0 12px 28px rgba(0,0,0,.35);
  --sh-btn:0 8px 20px rgba(255,106,26,.35);
  --gap:24px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--ink);
  color:var(--soft);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:linear-gradient(rgba(255,255,255,.028) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.028) 1px,transparent 1px);
  background-size:48px 48px;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
input,textarea,select{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--aqua);outline-offset:2px;border-radius:4px}
::selection{background:rgba(255,106,26,.35);color:#fff}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;position:relative;z-index:1}
.section{padding:104px 0;position:relative;z-index:1}
.section-tight{padding:72px 0}
.section-head{max-width:760px;margin-bottom:44px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--aqua);font-weight:600;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--aqua);display:block}
h1,.h1{font-size:clamp(32px,4.6vw,54px);font-weight:800;line-height:1.15;letter-spacing:-.02em}
h2,.h2{font-size:clamp(24px,3vw,34px);font-weight:700;line-height:1.25;letter-spacing:-.01em}
h3,.h3{font-size:20px;font-weight:600;line-height:1.4}
.lead{font-size:17px;color:var(--mute);line-height:1.8;max-width:64ch}
.txt-mute{color:var(--mute)}
.num{font-variant-numeric:tabular-nums;letter-spacing:-.01em}
.clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.clamp-3{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,border-color .2s ease,color .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--brand);color:#1A1024;box-shadow:0 6px 16px rgba(255,106,26,.22)}
.btn-primary:hover{background:#FF7E38;transform:translateY(-2px);box-shadow:var(--sh-btn)}
.btn-primary:active{transform:translateY(0);box-shadow:0 3px 10px rgba(255,106,26,.3)}
.btn-ghost{background:transparent;color:var(--aqua);border:1px solid rgba(34,211,197,.55)}
.btn-ghost:hover{background:rgba(34,211,197,.1);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-block{width:100%}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--aqua);font-size:14px;font-weight:600;
  transition:color .2s ease;
}
.link-arrow span{transition:transform .2s ease;display:inline-block}
.link-arrow:hover{color:#5CE6DB}
.link-arrow:hover span{transform:translateX(4px)}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(19,14,36,.97);
  border-bottom:1px solid var(--line);
  transition:padding .2s ease;
}
.nav-top{
  display:flex;align-items:center;gap:28px;
  padding-top:18px;padding-bottom:18px;
  transition:padding .2s ease;
}
.site-header.is-compact .nav-top{padding-top:10px;padding-bottom:10px}
.logo{
  display:inline-flex;align-items:center;gap:10px;
  font-size:20px;font-weight:800;letter-spacing:-.01em;color:var(--soft);
  flex:0 0 auto;
}
.logo-mark{
  width:34px;height:34px;border-radius:10px;
  background:linear-gradient(135deg,var(--brand),#FF9A4D);
  display:grid;place-items:center;font-size:15px;font-weight:800;color:#1A1024;
  box-shadow:0 6px 14px rgba(255,106,26,.3);
}
.nav-main{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-main a{
  padding:8px 14px;border-radius:8px;font-size:15px;color:var(--mute);
  transition:color .2s ease,background-color .2s ease;
}
.nav-main a:hover{color:var(--soft);background:rgba(255,255,255,.05)}
.nav-main a.active{color:var(--soft);background:rgba(255,106,26,.14)}
.nav-cta{flex:0 0 auto}
.menu-btn{
  display:none;width:42px;height:42px;border-radius:10px;
  border:1px solid var(--line);place-items:center;flex:0 0 auto;
}
.menu-btn span{display:block;width:18px;height:2px;background:var(--soft);position:relative}
.menu-btn span::before,.menu-btn span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--soft);
}
.menu-btn span::before{top:-6px}
.menu-btn span::after{top:6px}

.nav-chips{border-top:1px solid var(--line);background:rgba(30,23,56,.6)}
.chips-wrap{
  display:flex;align-items:center;gap:10px;
  padding-top:12px;padding-bottom:12px;
  overflow-x:auto;scrollbar-width:none;
}
.chips-wrap::-webkit-scrollbar{display:none}
.chip{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:6px;
  padding:8px 16px;border-radius:999px;font-size:14px;color:var(--mute);
  border:1px solid var(--line);
  transition:transform .2s ease,border-color .2s ease,background-color .2s ease,color .2s ease;
}
.chip:hover{transform:translateY(-1px);border-color:rgba(34,211,197,.6);color:var(--soft)}
.chip.active{background:var(--brand);border-color:var(--brand);color:#1A1024;font-weight:600}
.chip.active:hover{transform:none}

.mobile-drawer{
  display:none;
  border-top:1px solid var(--line);
  background:var(--card);
}
.mobile-drawer.open{display:block}
.mobile-drawer .drawer-inner{padding:18px 0 26px;display:flex;flex-direction:column;gap:10px}
.mobile-drawer a{
  padding:12px 14px;border-radius:10px;font-size:15px;color:var(--mute);
  border:1px solid var(--line);
}
.mobile-drawer a.active{background:rgba(255,106,26,.14);color:var(--soft);border-color:rgba(255,106,26,.4)}
.mobile-drawer .btn{margin-top:8px}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  padding:96px 0 88px;
  background-image:linear-gradient(90deg,rgba(19,14,36,.96) 0%,rgba(19,14,36,.86) 52%,rgba(19,14,36,.72) 100%),url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line);
}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:56px;align-items:center}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;font-size:13px;
  background:rgba(34,211,197,.12);color:var(--aqua);border:1px solid rgba(34,211,197,.3);
  margin-bottom:22px;
}
.hero h1{font-size:clamp(30px,4.2vw,50px);margin-bottom:20px}
.hero h1 em{font-style:normal;color:var(--brand)}
.hero-sub{font-size:17px;color:var(--mute);max-width:52ch;margin-bottom:32px;line-height:1.85}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:40px}
.hero-badges{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;max-width:600px}
.badge-box{
  background:rgba(37,28,69,.72);border:1px solid var(--line);border-radius:12px;
  padding:14px 16px;
}
.badge-box b{display:block;font-size:22px;font-weight:800;color:var(--brand);letter-spacing:-.02em}
.badge-box span{font-size:13px;color:var(--mute)}
.hero-visual{position:relative}
.hero-visual .frame{
  border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--sh-card);
}
.hero-visual .frame img{width:100%;height:360px;object-fit:cover}
.hero-float{
  position:absolute;left:-26px;bottom:-26px;
  background:var(--raise);border:1px solid var(--line);border-radius:var(--r-card);
  padding:16px 20px;box-shadow:var(--sh-card);min-width:200px;
}
.hero-float b{display:block;font-size:15px;margin-bottom:4px}
.hero-float span{font-size:13px;color:var(--mute)}

/* ---------- 卡片 ---------- */
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-card);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
  overflow:hidden;
}
.card:hover{transform:translateY(-4px);border-color:rgba(34,211,197,.5)}
.card-pad{padding:28px}
.card-media{overflow:hidden}
.card-media img{width:100%;object-fit:cover;transition:transform .2s ease}
.card:hover .card-media img{transform:scale(1.03)}
.tag{
  display:inline-flex;align-items:center;
  padding:4px 12px;border-radius:999px;font-size:12px;font-weight:600;
  background:rgba(34,211,197,.12);color:var(--aqua);border:1px solid rgba(34,211,197,.28);
}
.tag-lemon{background:rgba(245,217,10,.14);color:var(--lemon);border-color:rgba(245,217,10,.3)}
.tag-brand{background:rgba(255,106,26,.16);color:#FF9A4D;border-color:rgba(255,106,26,.34)}
.icon-sq{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  background:rgba(255,106,26,.14);color:var(--brand);font-size:18px;font-weight:700;
  margin-bottom:18px;
}
.icon-sq.cyan{background:rgba(34,211,197,.14);color:var(--aqua)}
.icon-sq.lemon{background:rgba(245,217,10,.14);color:var(--lemon)}

.bento{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:var(--gap)}
.bento .span-7{grid-column:span 7}
.bento .span-5{grid-column:span 5}
.bento-feature{display:flex;flex-direction:column}
.bento-feature .card-media img{height:250px}
.bento-feature .card-pad{padding:30px 30px 34px}
.feature-list{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.feature-list li{
  font-size:13px;color:var(--mute);border:1px solid var(--line);
  border-radius:999px;padding:5px 13px;
}

/* ---------- Zigzag ---------- */
.zig{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:56px;align-items:center}
.zig + .zig{margin-top:88px}
.zig.rev .zig-media{order:2}
.zig-media img{width:100%;height:340px;object-fit:cover;border-radius:var(--r-card);border:1px solid var(--line);box-shadow:var(--sh-card)}
.zig-points{margin:22px 0 26px;display:flex;flex-direction:column;gap:12px}
.zig-points li{display:flex;gap:12px;color:var(--mute);font-size:15px}
.zig-points li::before{
  content:"";flex:0 0 auto;width:8px;height:8px;border-radius:2px;margin-top:9px;
  background:var(--brand);
}

/* ---------- 案例 ---------- */
.case-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--gap);align-items:start}
.case-col{display:flex;flex-direction:column;gap:var(--gap)}
.case-quote{font-size:15px;color:var(--mute);line-height:1.8;border-left:3px solid var(--brand);padding-left:16px;margin-top:18px}
.case-metric{font-size:26px;font-weight:800;color:var(--aqua);letter-spacing:-.02em;margin-top:16px}

/* ---------- 价格 ---------- */
.price-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--gap);align-items:stretch}
.price-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:32px 28px;display:flex;flex-direction:column;
  transition:transform .2s ease,border-color .2s ease;
}
.price-card:hover{transform:translateY(-4px)}
.price-card.featured{
  border:1px solid var(--brand);background:var(--raise);
  position:relative;box-shadow:0 16px 36px rgba(255,106,26,.18);
}
.price-card.featured::after{
  content:"推荐";
  position:absolute;top:0;right:0;
  background:var(--brand);color:#1A1024;font-size:12px;font-weight:700;
  padding:6px 18px;border-radius:0 var(--r-card) 0 12px;
  clip-path:polygon(12% 0,100% 0,100% 100%,0 100%);
}
.price-name{font-size:18px;font-weight:700;margin-bottom:6px}
.price-desc{font-size:14px;color:var(--mute);min-height:44px}
.price-value{font-size:38px;font-weight:800;letter-spacing:-.03em;margin:18px 0 4px;color:var(--soft)}
.price-value small{font-size:14px;font-weight:500;color:var(--mute);letter-spacing:0}
.price-list{margin:24px 0 28px;display:flex;flex-direction:column;gap:12px;flex:1}
.price-list li{display:flex;gap:10px;font-size:14.5px;color:var(--mute)}
.price-list li::before{content:"✓";color:var(--aqua);font-weight:700;flex:0 0 auto}

/* ---------- CMS 列表 ---------- */
.post-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--gap)}
.post-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px;display:flex;flex-direction:column;gap:14px;
  transition:transform .2s ease,border-color .2s ease;
}
.post-card:hover{transform:translateY(-4px);border-color:rgba(34,211,197,.5)}
.post-card h3{font-size:17px;font-weight:600;line-height:1.5}
.post-card h3 a:hover{color:var(--aqua)}
.post-meta{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--dim);margin-top:auto}
.post-empty{
  border:1px dashed rgba(255,255,255,.14);border-radius:var(--r-card);
  padding:56px 28px;text-align:center;background:rgba(30,23,56,.6);
  position:relative;overflow:hidden;
}
.post-empty::before{
  content:"";position:absolute;inset:0;opacity:.14;
  background:url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
}
.post-empty > *{position:relative;z-index:1}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto}
.faq-item{
  border:1px solid var(--line);border-radius:var(--r-card);
  background:var(--card);margin-bottom:14px;overflow:hidden;
  transition:border-color .2s ease;
}
.faq-item[open]{border-color:rgba(255,106,26,.5)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 24px;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  font-size:16px;font-weight:600;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";font-size:22px;font-weight:400;color:var(--aqua);
  flex:0 0 auto;line-height:1;transition:transform .2s ease;
}
.faq-item[open] summary::after{content:"−";transform:rotate(0deg)}
.faq-body{padding:0 24px 22px;color:var(--mute);font-size:15px;line-height:1.85;border-left:3px solid transparent;transition:border-color .2s ease}
.faq-item[open] .faq-body{border-left-color:var(--brand);margin-left:24px;padding-left:18px}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;border-radius:24px;overflow:hidden;
  border:1px solid var(--line);
  background-image:linear-gradient(90deg,rgba(19,14,36,.94),rgba(19,14,36,.78)),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  padding:64px 56px;
}
.cta-band h2{margin-bottom:14px}
.cta-band p{color:var(--mute);max-width:56ch;margin-bottom:28px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ---------- 页脚 ---------- */
.site-footer{border-top:1px solid var(--line);background:#0E0A1C;padding:72px 0 0;position:relative;z-index:1}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:52px}
.footer-title{font-size:14px;font-weight:700;letter-spacing:.08em;color:var(--soft);margin-bottom:18px}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{font-size:14.5px;color:var(--mute);transition:color .2s ease,transform .2s ease;display:inline-block}
.footer-links a:hover{color:var(--aqua);transform:translateX(3px)}
.footer-desc{font-size:14.5px;color:var(--mute);max-width:34ch;margin-top:16px;line-height:1.8}
.footer-bottom{
  border-top:1px solid var(--line);
  padding:22px 0;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  font-size:13.5px;color:var(--dim);
}
.to-top{
  width:42px;height:42px;border-radius:999px;background:var(--brand);color:#1A1024;
  display:grid;place-items:center;font-size:18px;font-weight:700;
  transition:transform .2s ease,box-shadow .2s ease;
}
.to-top:hover{transform:translateY(-3px);box-shadow:var(--sh-btn)}

/* ---------- 表单 ---------- */
.field{display:flex;flex-direction:column;gap:8px;margin-bottom:16px}
.field label{font-size:14px;color:var(--mute)}
.field label .req{color:var(--brand)}
.field input,.field select{
  background:transparent;border:1px solid var(--line);border-radius:var(--r-input);
  padding:12px 14px;font-size:15px;color:var(--soft);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field input::placeholder{color:var(--dim)}
.field input:focus,.field select:focus{
  outline:none;border-color:var(--aqua);box-shadow:0 0 0 3px rgba(34,211,197,.14);
}
.field .hint{font-size:12.5px;color:var(--dim)}
.field.error input{border-color:#FF5C5C}
.field.error .hint{color:#FF5C5C}

.side-panel{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:30px;box-shadow:var(--sh-card);
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .section{padding:80px 0}
  .hero{padding:76px 0 68px}
  .hero-grid{grid-template-columns:1fr;gap:44px}
  .hero-visual .frame img{height:300px}
  .hero-float{left:16px;bottom:-20px}
  .bento .span-7,.bento .span-5{grid-column:span 12}
  .post-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .price-grid{grid-template-columns:1fr;gap:20px}
  .price-card.featured{order:-1}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-band{padding:48px 32px}
}
@media (max-width:860px){
  .nav-main{display:none}
  .nav-cta{display:none}
  .menu-btn{display:grid;margin-left:auto}
  .zig{grid-template-columns:1fr;gap:32px}
  .zig.rev .zig-media{order:0}
  .zig + .zig{margin-top:60px}
  .case-grid{grid-template-columns:1fr}
}
@media (max-width:640px){
  .container{padding:0 16px}
  .section{padding:60px 0}
  .hero{padding:56px 0 56px}
  .hero-badges{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
  .hero-actions .btn{width:100%}
  .post-grid{grid-template-columns:1fr}
  .cta-band{padding:40px 22px;border-radius:18px}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .faq-item summary{padding:16px 18px;font-size:15px}
  .faq-body{padding:0 18px 18px}
  .faq-item[open] .faq-body{margin-left:18px}
  .card-pad{padding:22px}
}

/* roulang page: article */
:root{
    --bg:#130E24;
    --card:#1E1738;
    --raise:#251C45;
    --ink:#F4F1FA;
    --mute:#A79FC0;
    --dim:#6E6688;
    --orange:#FF6A1A;
    --orange-deep:#E2560C;
    --cyan:#22D3C5;
    --yellow:#F5D90A;
    --line:rgba(255,255,255,.07);
    --line-strong:rgba(255,255,255,.14);
    --radius:16px;
    --radius-btn:10px;
    --shadow:0 12px 28px rgba(0,0,0,.35);
    --shadow-orange:0 8px 20px rgba(255,106,26,.35);
    --maxw:1240px;
    --gap-section:104px;
    --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",Arial,sans-serif;
  }

  *,*::before,*::after{box-sizing:border-box}

  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}

  body{
    margin:0;
    padding:0;
    background:var(--bg);
    color:var(--ink);
    font-family:var(--font);
    font-size:16px;
    line-height:1.75;
    -webkit-font-smoothing:antialiased;
    -moz-osx-font-smoothing:grayscale;
    overflow-x:hidden;
  }

  body::before{
    content:"";
    position:fixed;
    inset:0;
    pointer-events:none;
    z-index:0;
    background-image:
      linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),
      linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
    background-size:64px 64px;
    opacity:.55;
  }

  img{max-width:100%;display:block;border:0}
  a{color:var(--cyan);text-decoration:none}
  a:hover{color:var(--ink)}
  button{font-family:inherit}
  h1,h2,h3,h4,p,ul,ol,figure{margin:0}
  ul,ol{padding:0;list-style:none}

  ::selection{background:rgba(255,106,26,.35);color:#fff}

  :focus-visible{outline:2px solid var(--cyan);outline-offset:2px}

  .container{
    width:100%;
    max-width:var(--maxw);
    margin:0 auto;
    padding:0 24px;
    position:relative;
    z-index:1;
  }

  /* ============ 顶部导航 ============ */
  .site-header{
    position:sticky;
    top:0;
    z-index:80;
    background:var(--bg);
    border-bottom:1px solid var(--line);
    transition:padding .2s ease,box-shadow .2s ease;
  }
  .site-header.is-scrolled{box-shadow:0 10px 30px rgba(0,0,0,.45)}

  .header-top{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:24px;
    padding:18px 0 14px;
    transition:padding .2s ease;
  }
  .site-header.is-scrolled .header-top{padding:11px 0 10px}

  .logo{
    display:inline-flex;
    align-items:center;
    gap:10px;
    color:var(--ink);
    font-size:19px;
    font-weight:800;
    letter-spacing:-.01em;
    white-space:nowrap;
  }
  .logo:hover{color:var(--ink)}
  .logo-mark{
    width:34px;
    height:34px;
    border-radius:10px;
    background:var(--orange);
    color:#1A0F26;
    font-weight:900;
    font-size:18px;
    display:grid;
    place-items:center;
    box-shadow:0 6px 16px rgba(255,106,26,.35);
  }

  .nav-main{
    display:flex;
    align-items:center;
    gap:4px;
    flex:1 1 auto;
    justify-content:center;
  }
  .nav-main a{
    display:inline-block;
    padding:8px 15px;
    border-radius:999px;
    border:1px solid transparent;
    font-size:15px;
    color:var(--mute);
    transition:color .18s ease,border-color .18s ease,transform .18s ease,background .18s ease;
  }
  .nav-main a:hover{
    color:var(--ink);
    border-color:rgba(34,211,197,.55);
    transform:translateY(-1px);
  }
  .nav-main a.active{
    background:var(--orange);
    border-color:var(--orange);
    color:#1A0F26;
    font-weight:700;
  }

  .header-actions{display:flex;align-items:center;gap:12px}

  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    padding:11px 22px;
    border-radius:var(--radius-btn);
    font-size:15px;
    font-weight:700;
    line-height:1.2;
    border:1px solid transparent;
    cursor:pointer;
    transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
    white-space:nowrap;
  }
  .btn-primary{
    background:var(--orange);
    color:#1A0F26;
  }
  .btn-primary:hover{
    background:#FF7C36;
    color:#1A0F26;
    transform:translateY(-2px);
    box-shadow:var(--shadow-orange);
  }
  .btn-primary:active{transform:translateY(1px);box-shadow:none}
  .btn-ghost{
    background:transparent;
    border-color:rgba(34,211,197,.7);
    color:var(--cyan);
  }
  .btn-ghost:hover{
    background:rgba(34,211,197,.12);
    color:var(--cyan);
    transform:translateY(-2px);
  }
  .btn-ghost:active{transform:translateY(1px)}

  .menu-btn{
    display:none;
    width:42px;
    height:42px;
    border-radius:10px;
    border:1px solid var(--line-strong);
    background:var(--card);
    color:var(--ink);
    font-size:19px;
    line-height:1;
    cursor:pointer;
    transition:border-color .18s ease,transform .18s ease;
  }
  .menu-btn:hover{border-color:var(--cyan);transform:translateY(-1px)}

  .chip-bar{
    display:flex;
    gap:10px;
    padding:0 0 13px;
    overflow-x:auto;
    scrollbar-width:none;
  }
  .chip-bar::-webkit-scrollbar{display:none}
  .chip{
    display:inline-block;
    padding:7px 16px;
    border-radius:999px;
    border:1px solid var(--line-strong);
    background:transparent;
    color:var(--mute);
    font-size:14px;
    white-space:nowrap;
    transition:color .18s ease,border-color .18s ease,background .18s ease,transform .18s ease;
  }
  .chip:hover{
    color:var(--ink);
    border-color:var(--cyan);
    transform:translateY(-1px);
  }
  .chip.is-active{
    background:var(--orange);
    border-color:var(--orange);
    color:#1A0F26;
    font-weight:700;
  }

  .mobile-drawer{
    display:none;
    border-top:1px solid var(--line);
    background:var(--raise);
    padding:16px 24px 22px;
  }
  .mobile-drawer.open{display:block}
  .mobile-drawer a{
    display:block;
    padding:11px 4px;
    font-size:15px;
    color:var(--mute);
    border-bottom:1px solid var(--line);
  }
  .mobile-drawer a:hover{color:var(--ink)}
  .mobile-drawer a.is-active{color:var(--orange);font-weight:700}
  .mobile-drawer .btn{width:100%;margin-top:16px}

  /* ============ 面包屑与文章头 ============ */
  .article-hero{
    padding:44px 0 10px;
    position:relative;
  }
  .breadcrumb{
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    gap:8px;
    font-size:14px;
    color:var(--mute);
  }
  .breadcrumb a{color:var(--cyan)}
  .breadcrumb a:hover{color:var(--ink)}
  .breadcrumb .sep{color:var(--dim)}
  .breadcrumb .crumb-cur{
    max-width:min(520px,60vw);
    overflow:hidden;
    text-overflow:ellipsis;
    white-space:nowrap;
    color:var(--mute);
  }

  .article-head{
    max-width:860px;
    margin:0 auto;
    padding:26px 0 6px;
    text-align:left;
  }
  .eyebrow{
    display:inline-block;
    padding:5px 14px;
    border-radius:999px;
    background:rgba(34,211,197,.12);
    border:1px solid rgba(34,211,197,.35);
    color:var(--cyan);
    font-size:13px;
    letter-spacing:.04em;
  }
  .article-head h1{
    margin:18px 0 18px;
    font-size:clamp(28px,3.6vw,44px);
    font-weight:800;
    line-height:1.2;
    letter-spacing:-.02em;
    color:var(--ink);
  }
  .article-meta{
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    gap:10px 18px;
    font-size:14px;
    color:var(--mute);
    padding-bottom:26px;
    border-bottom:1px solid var(--line);
  }
  .meta-chip{
    display:inline-block;
    padding:3px 12px;
    border-radius:999px;
    background:rgba(245,217,10,.14);
    border:1px solid rgba(245,217,10,.4);
    color:var(--yellow);
    font-size:13px;
    font-weight:600;
  }

  /* ============ 正文 ============ */
  .article-section{padding:52px 0 8px}

  .article-body{
    max-width:760px;
    margin:0 auto;
    font-size:17px;
    line-height:1.9;
    color:#E6E1F3;
  }

  .prose-cms p{margin:0 0 1.2em}
  .prose-cms strong{color:#fff;font-weight:700}
  .prose-cms h2{
    margin:40px 0 14px;
    font-size:26px;
    line-height:1.35;
    font-weight:700;
    color:var(--ink);
    letter-spacing:-.01em;
  }
  .prose-cms h2::before{
    content:"";
    display:block;
    width:44px;
    height:3px;
    border-radius:2px;
    background:var(--orange);
    margin-bottom:14px;
  }
  .prose-cms h3{
    margin:28px 0 12px;
    font-size:21px;
    line-height:1.4;
    font-weight:600;
    color:var(--ink);
  }
  .prose-cms h4{
    margin:22px 0 10px;
    font-size:18px;
    font-weight:600;
    color:#EFEAFB;
  }
  .prose-cms a{color:var(--cyan);border-bottom:1px solid rgba(34,211,197,.4)}
  .prose-cms a:hover{color:var(--ink);border-bottom-color:var(--orange)}
  .prose-cms ul,.prose-cms ol{margin:0 0 1.2em;padding-left:22px}
  .prose-cms ul{list-style:disc}
  .prose-cms ol{list-style:decimal}
  .prose-cms li{margin:0 0 .5em}
  .prose-cms li::marker{color:var(--orange)}
  .prose-cms blockquote{
    margin:26px 0;
    padding:14px 20px;
    border-left:3px solid var(--orange);
    background:rgba(255,106,26,.07);
    border-radius:0 12px 12px 0;
    color:#DCD5EE;
  }
  .prose-cms img{
    width:100%;
    height:auto;
    margin:26px auto;
    border-radius:12px;
    border:1px solid var(--line);
  }
  .prose-cms figure{margin:26px 0}
  .prose-cms figcaption{
    margin-top:10px;
    font-size:14px;
    color:var(--mute);
    text-align:center;
  }
  .prose-cms table{
    width:100%;
    margin:24px 0;
    border-collapse:collapse;
    font-size:15px;
    line-height:1.7;
  }
  .prose-cms th,.prose-cms td{
    padding:11px 14px;
    border-bottom:1px solid var(--line);
    text-align:left;
    vertical-align:top;
  }
  .prose-cms th{color:var(--ink);font-weight:700;background:rgba(255,255,255,.03)}
  .prose-cms hr{
    margin:34px 0;
    border:0;
    height:1px;
    background:var(--line-strong);
  }
  .prose-cms code{
    padding:2px 7px;
    border-radius:6px;
    background:rgba(34,211,197,.12);
    color:var(--cyan);
    font-size:15px;
  }

  .empty-state{
    text-align:center;
    padding:46px 26px 50px;
    background:var(--card);
    border:1px solid var(--line);
    border-radius:var(--radius);
    box-shadow:var(--shadow);
  }
  .empty-badge{
    display:inline-block;
    padding:5px 16px;
    border-radius:999px;
    background:rgba(255,106,26,.14);
    border:1px solid rgba(255,106,26,.45);
    color:var(--orange);
    font-size:13px;
    font-weight:700;
  }
  .empty-state h2{margin:18px 0 10px;font-size:23px;font-weight:700;color:var(--ink)}
  .empty-state p{margin:0 auto 22px;max-width:520px;font-size:15.5px;color:var(--mute)}

  /* ============ 上下篇 ============ */
  .article-foot{
    max-width:760px;
    margin:44px auto 0;
    padding-top:28px;
    border-top:1px solid var(--line);
  }
  .prevnext{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:16px;
  }
  .prevnext a{
    display:block;
    padding:16px 18px;
    background:var(--card);
    border:1px solid var(--line);
    border-radius:var(--radius);
    color:var(--ink);
    transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
  }
  .prevnext a:hover{
    transform:translateY(-3px);
    border-color:var(--cyan);
    box-shadow:var(--shadow);
    color:var(--ink);
  }
  .prevnext .pn-label{
    display:block;
    font-size:13px;
    color:var(--mute);
    margin-bottom:6px;
  }
  .prevnext .pn-title{font-size:15.5px;font-weight:600;line-height:1.5}
  .back-list{
    display:flex;
    justify-content:center;
    margin-top:22px;
  }

  /* ============ 相关推荐 ============ */
  .related{padding:72px 0 0}
  .section-head{max-width:680px;margin-bottom:30px}
  .section-head h2{
    font-size:clamp(22px,2.4vw,30px);
    font-weight:700;
    letter-spacing:-.01em;
    line-height:1.3;
    color:var(--ink);
  }
  .section-head p{margin-top:10px;font-size:15.5px;color:var(--mute)}

  .card-grid{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:22px;
  }
  .card{
    display:flex;
    flex-direction:column;
    background:var(--card);
    border:1px solid var(--line);
    border-radius:var(--radius);
    overflow:hidden;
    transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
  }
  .card:hover{
    transform:translateY(-4px);
    border-color:var(--cyan);
    box-shadow:var(--shadow);
  }
  .card-cover{overflow:hidden;aspect-ratio:16/9;background:var(--raise)}
  .card-cover img{
    width:100%;
    height:100%;
    object-fit:cover;
    transition:transform .25s ease;
  }
  .card:hover .card-cover img{transform:scale(1.03)}
  .card-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto}
  .card-tags{display:flex;flex-wrap:wrap;gap:8px}
  .tag{
    display:inline-block;
    padding:3px 11px;
    border-radius:999px;
    font-size:12.5px;
    font-weight:600;
    background:rgba(34,211,197,.12);
    border:1px solid rgba(34,211,197,.32);
    color:var(--cyan);
  }
  .tag-warm{
    background:rgba(255,106,26,.13);
    border-color:rgba(255,106,26,.38);
    color:var(--orange);
  }
  .tag-lemon{
    background:rgba(245,217,10,.13);
    border-color:rgba(245,217,10,.36);
    color:var(--yellow);
  }
  .card h3{font-size:18px;font-weight:600;line-height:1.5;color:var(--ink)}
  .card p{font-size:14.8px;color:var(--mute);line-height:1.7}
  .card-meta{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:12px;
    margin-top:auto;
    padding-top:10px;
    font-size:13px;
    color:var(--dim);
  }
  .text-link{
    display:inline-flex;
    align-items:center;
    gap:6px;
    color:var(--cyan);
    font-size:14.5px;
    font-weight:600;
  }
  .text-link .arrow{transition:transform .18s ease}
  .text-link:hover .arrow{transform:translateX(2px)}
  .text-link:hover{color:var(--ink)}

  /* ============ CTA 通栏 ============ */
  .cta-band{
    position:relative;
    margin-top:88px;
    padding:64px 0;
    background-image:url('/assets/images/backpic/back-2.webp');
    background-size:cover;
    background-position:center;
    overflow:hidden;
  }
  .cta-band::before{
    content:"";
    position:absolute;
    inset:0;
    background:rgba(19,14,36,.82);
  }
  .cta-inner{
    position:relative;
    z-index:1;
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    justify-content:space-between;
    gap:26px;
  }
  .cta-inner h2{
    font-size:clamp(23px,2.6vw,32px);
    font-weight:800;
    line-height:1.3;
    letter-spacing:-.01em;
    color:#fff;
  }
  .cta-inner p{margin-top:10px;font-size:15.5px;color:#CFC8E2;max-width:620px}
  .cta-actions{display:flex;flex-wrap:wrap;gap:14px}

  /* ============ 页脚 ============ */
  .site-footer{
    margin-top:0;
    padding:62px 0 26px;
    background:#0E0A1C;
    border-top:1px solid var(--line);
    position:relative;
    z-index:1;
  }
  .footer-grid{
    display:grid;
    grid-template-columns:1.6fr 1fr 1fr 1.2fr;
    gap:36px;
  }
  .footer-desc{
    margin-top:16px;
    font-size:14.8px;
    color:var(--mute);
    line-height:1.8;
    max-width:330px;
  }
  .footer-title{
    font-size:15px;
    font-weight:700;
    color:var(--ink);
    margin-bottom:14px;
  }
  .footer-links{display:flex;flex-direction:column;gap:10px}
  .footer-links a{
    font-size:14.5px;
    color:var(--mute);
    transition:color .18s ease,transform .18s ease;
    display:inline-block;
  }
  .footer-links a:hover{color:var(--cyan);transform:translateX(2px)}
  .footer-bottom{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:18px;
    flex-wrap:wrap;
    margin-top:44px;
    padding-top:22px;
    border-top:1px solid var(--line);
    font-size:13.5px;
    color:var(--dim);
  }
  .to-top{
    width:42px;
    height:42px;
    border-radius:999px;
    background:var(--orange);
    color:#1A0F26;
    font-size:18px;
    font-weight:800;
    display:grid;
    place-items:center;
    transition:transform .18s ease,box-shadow .18s ease;
  }
  .to-top:hover{
    color:#1A0F26;
    transform:translateY(-3px);
    box-shadow:var(--shadow-orange);
  }

  /* ============ 响应式 ============ */
  @media (max-width:1100px){
    .nav-main a{padding:8px 11px;font-size:14.5px}
    .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:30px}
  }
  @media (max-width:900px){
    :root{--gap-section:76px}
    .nav-main{display:none}
    .menu-btn{display:inline-grid;place-items:center}
    .header-actions .btn-primary{display:none}
    .card-grid{grid-template-columns:repeat(2,1fr)}
    .article-hero{padding:34px 0 6px}
    .related{padding:56px 0 0}
    .cta-band{margin-top:66px;padding:52px 0}
    .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  }
  @media (max-width:640px){
    .container{padding:0 16px}
    body{font-size:15.5px;line-height:1.8}
    .logo{font-size:17px}
    .logo-mark{width:30px;height:30px;font-size:16px;border-radius:9px}
    .article-head{padding:20px 0 4px;text-align:left}
    .article-head h1{font-size:26px;line-height:1.3}
    .article-body{font-size:16px;line-height:1.85}
    .prose-cms h2{font-size:22px;margin:34px 0 12px}
    .prose-cms h3{font-size:19px;margin:24px 0 10px}
    .prose-cms blockquote{padding:12px 16px;margin:20px 0}
    .article-section{padding:36px 0 6px}
    .prevnext{grid-template-columns:1fr}
    .card-grid{grid-template-columns:1fr}
    .cta-inner{flex-direction:column;align-items:flex-start}
    .cta-actions{width:100%;flex-direction:column}
    .cta-actions .btn{width:100%}
    .footer-grid{grid-template-columns:1fr;gap:26px}
    .footer-bottom{flex-direction:column;align-items:flex-start}
    .breadcrumb .crumb-cur{max-width:70vw}
  }

/* roulang page: category1 */
:root{
  --primary:#FF6A1A;
  --primary-hover:#FF7C36;
  --primary-ink:#1A1024;
  --primary-soft:rgba(255,106,26,.14);
  --accent:#22D3C5;
  --accent-soft:rgba(34,211,197,.12);
  --yellow:#F5D90A;
  --bg:#130E24;
  --card:#1E1738;
  --elev:#251C45;
  --text:#F4F1FA;
  --mute:#A79FC0;
  --dim:#6E6688;
  --line:rgba(255,255,255,.07);
  --line-2:rgba(255,255,255,.14);
  --r-card:16px;
  --r-btn:10px;
  --sh-card:0 12px 28px rgba(0,0,0,.35);
  --sh-btn:0 8px 20px rgba(255,106,26,.35);
  --maxw:1240px;
  --t:.2s ease;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:
    linear-gradient(rgba(255,255,255,.032) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.032) 1px,transparent 1px);
  background-size:44px 44px;
}
h1,h2,h3,h4{margin:0;line-height:1.18;letter-spacing:-.02em;font-weight:800}
h1{font-size:clamp(30px,4.2vw,52px)}
h2{font-size:clamp(24px,2.7vw,34px);font-weight:700}
h3{font-size:20px;font-weight:600;letter-spacing:-.01em}
p{margin:0}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font:inherit;color:inherit;background:none;border:none}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px;position:relative}
.section{padding:96px 0;position:relative;z-index:1}
.section-tight{padding:72px 0}
.section-alt{background:linear-gradient(180deg,rgba(37,28,69,.55),rgba(19,14,36,0))}

/* ============ HEADER ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(19,14,36,.97);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--t);
}
.site-header.shrink{box-shadow:0 10px 26px rgba(0,0,0,.45)}
.header-inner{
  display:flex;
  align-items:center;
  gap:20px;
  padding:16px 0 12px;
  transition:padding var(--t);
}
.site-header.shrink .header-inner{padding:8px 0 6px}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:19px;font-weight:800;letter-spacing:-.01em;white-space:nowrap}
.logo-mark{
  width:34px;height:34px;border-radius:10px;
  background:linear-gradient(140deg,var(--primary),#FFA35C);
  display:grid;place-items:center;
  color:var(--primary-ink);font-size:17px;font-weight:900;
  box-shadow:0 6px 16px rgba(255,106,26,.35);
}
.nav-main{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-main a{
  padding:9px 14px;border-radius:9px;font-size:15px;color:var(--mute);
  transition:color var(--t),background var(--t),box-shadow var(--t);
}
.nav-main a:hover{color:var(--text);background:rgba(255,255,255,.05)}
.nav-main a.active{
  color:var(--text);
  background:var(--primary-soft);
  box-shadow:inset 0 0 0 1px rgba(255,106,26,.5);
}
.header-cta{margin-left:8px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);
  padding:13px 26px;
  font-size:16px;font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform var(--t),background var(--t),box-shadow var(--t),border-color var(--t),color var(--t);
  white-space:nowrap;
}
.btn-sm{padding:10px 20px;font-size:15px}
.btn-primary{background:var(--primary);color:var(--primary-ink)}
.btn-primary:hover{background:var(--primary-hover);transform:translateY(-2px);box-shadow:var(--sh-btn)}
.btn-primary:active{transform:translateY(1px);box-shadow:none}
.btn-ghost{background:transparent;border-color:var(--accent);color:var(--accent)}
.btn-ghost:hover{background:var(--accent-soft);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(1px)}

.header-tabs{
  display:flex;gap:10px;overflow-x:auto;
  padding:0 0 14px;
  scrollbar-width:none;
}
.header-tabs::-webkit-scrollbar{display:none}
.chip{
  display:inline-flex;align-items:center;white-space:nowrap;
  padding:7px 16px;border-radius:999px;
  border:1px solid var(--line-2);
  color:var(--mute);font-size:14px;
  transition:transform var(--t),border-color var(--t),color var(--t),background var(--t);
}
.chip:hover{border-color:var(--accent);color:var(--text);transform:translateY(-1px)}
.chip.active{background:var(--primary);border-color:var(--primary);color:var(--primary-ink);font-weight:600}

.nav-toggle{
  display:none;
  width:44px;height:40px;border-radius:10px;
  border:1px solid var(--line-2);
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
  cursor:pointer;margin-left:auto;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;transition:var(--t)}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.nav-drawer{
  display:none;
  flex-direction:column;gap:4px;
  padding:8px 24px 20px;
  border-top:1px solid var(--line);
  background:rgba(19,14,36,.99);
}
.nav-drawer.open{display:flex}
.nav-drawer a{
  padding:12px 14px;border-radius:10px;color:var(--mute);font-size:15px;
  border:1px solid transparent;
}
.nav-drawer a.active{background:var(--primary-soft);color:var(--text);border-color:rgba(255,106,26,.5)}

/* ============ HERO ============ */
.page-hero{position:relative;overflow:hidden;padding:84px 0 88px;z-index:1}
.hero-bg{position:absolute;inset:0;background:url(/assets/images/backpic/back-1.png) center/cover no-repeat}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(95deg,rgba(19,14,36,.95) 0%,rgba(19,14,36,.86) 48%,rgba(19,14,36,.7) 100%);
}
.hero-inner{position:relative;display:grid;grid-template-columns:1.06fr .94fr;gap:52px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  border:1px solid rgba(34,211,197,.4);
  background:var(--accent-soft);
  color:var(--accent);font-size:13px;font-weight:600;
  margin-bottom:22px;
}
.eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--accent);display:block}
.hero-copy h1 span{color:var(--primary)}
.hero-sub{margin-top:20px;font-size:17px;color:var(--mute);max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.badge-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:36px}
.badge{
  display:flex;flex-direction:column;gap:2px;
  padding:12px 18px;border-radius:12px;
  background:rgba(30,23,56,.86);
  border:1px solid var(--line);
  min-width:132px;
}
.badge b{font-size:22px;font-weight:800;letter-spacing:-.03em;color:var(--text);font-variant-numeric:tabular-nums}
.badge b em{font-style:normal;color:var(--primary);font-size:15px;margin-left:2px}
.badge span{font-size:13px;color:var(--dim)}
.hero-visual{position:relative}
.hero-visual img{
  width:100%;border-radius:var(--r-card);
  border:1px solid var(--line-2);
  box-shadow:var(--sh-card);
  object-fit:cover;aspect-ratio:16/11;
}
.hero-tag{
  position:absolute;left:-14px;bottom:22px;
  background:var(--primary);color:var(--primary-ink);
  font-size:13px;font-weight:700;
  padding:9px 16px;border-radius:10px;
  clip-path:polygon(0 0,100% 0,calc(100% - 12px) 100%,0 100%);
  box-shadow:var(--sh-btn);
}

/* ============ SECTION HEADS ============ */
.section-head{max-width:760px;margin-bottom:44px}
.section-head h2{margin-bottom:14px}
.section-head p{color:var(--mute);font-size:16px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}

/* ============ FILTER BAR ============ */
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:32px}
.filter-chip{
  padding:8px 18px;border-radius:999px;
  border:1px solid var(--line-2);color:var(--mute);font-size:14px;
  cursor:pointer;transition:var(--t);
}
.filter-chip:hover{border-color:var(--accent);color:var(--text);transform:translateY(-1px)}
.filter-chip.active{background:var(--primary);border-color:var(--primary);color:var(--primary-ink);font-weight:600}

/* ============ CARD GRID ============ */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform var(--t),border-color var(--t),box-shadow var(--t);
}
.card:hover{transform:translateY(-4px);border-color:var(--accent);box-shadow:var(--sh-card)}
.card-media{overflow:hidden;aspect-ratio:16/9;background:var(--elev)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .28s ease}
.card:hover .card-media img{transform:scale(1.03)}
.card-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:12px;flex:1}
.card-body p{color:var(--mute);font-size:14.5px;line-height:1.72}
.chip-inline{
  display:inline-block;align-self:flex-start;
  padding:4px 12px;border-radius:999px;
  font-size:12.5px;font-weight:600;
  background:var(--accent-soft);color:var(--accent);
  border:1px solid rgba(34,211,197,.3);
}
.chip-inline.warm{background:var(--primary-soft);color:var(--primary);border-color:rgba(255,106,26,.35)}
.text-link{
  margin-top:auto;color:var(--accent);font-size:14.5px;font-weight:600;
  display:inline-flex;align-items:center;gap:6px;
}
.text-link::after{content:"→";transition:transform var(--t)}
.text-link:hover::after{transform:translateX(3px)}

/* ============ FEATURES ============ */
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.feature-item{
  background:var(--elev);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:26px 22px;
  transition:transform var(--t),border-color var(--t);
}
.feature-item:hover{transform:translateY(-4px);border-color:var(--accent)}
.icon-box{
  width:42px;height:42px;border-radius:11px;
  display:grid;place-items:center;
  background:var(--primary-soft);
  color:var(--primary);
  font-weight:800;font-size:16px;
  margin-bottom:16px;
}
.feature-item h3{font-size:18px;margin-bottom:10px}
.feature-item p{color:var(--mute);font-size:14.5px}

/* ============ STEPS ============ */
.steps{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.step{
  display:flex;gap:20px;
  padding:26px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  transition:border-color var(--t),transform var(--t);
}
.step:hover{border-color:var(--primary);transform:translateY(-3px)}
.step:nth-child(even){transform:translateY(18px)}
.step:nth-child(even):hover{transform:translateY(15px)}
.step-num{
  font-size:34px;font-weight:900;letter-spacing:-.04em;
  color:var(--primary);line-height:1;
  min-width:56px;
  font-variant-numeric:tabular-nums;
}
.step h3{font-size:18px;margin-bottom:8px}
.step p{color:var(--mute);font-size:14.5px}

/* ============ REVIEWS ============ */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:start}
.review-card{
  background:var(--elev);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:26px 24px;
  display:flex;flex-direction:column;gap:16px;
  transition:transform var(--t),border-color var(--t);
}
.review-card:hover{transform:translateY(-4px);border-color:var(--accent)}
.review-card:nth-child(2){margin-top:28px}
.review-quote{font-size:15.5px;color:var(--text);line-height:1.7}
.review-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;border-top:1px solid var(--line);padding-top:16px}
.review-name{font-size:14.5px;font-weight:600}
.review-name span{display:block;font-size:13px;color:var(--dim);font-weight:400}
.review-stat{color:var(--yellow);font-size:14px;font-weight:700;font-variant-numeric:tabular-nums}

/* ============ FAQ ============ */
.faq-list{max-width:900px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.faq-item{
  background:var(--card);
  border:1px solid var(--line);
  border-left:3px solid transparent;
  border-radius:var(--r-card);
  overflow:hidden;
  transition:border-color var(--t),background var(--t);
}
.faq-item.open{border-left-color:var(--primary);background:var(--elev)}
.faq-q{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:18px 22px;
  font-size:16px;font-weight:600;text-align:left;
  cursor:pointer;
}
.faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  border:1px solid var(--line-2);
  display:grid;place-items:center;
  color:var(--accent);font-size:16px;line-height:1;
  transition:transform var(--t),background var(--t),color var(--t);
}
.faq-item.open .faq-icon{background:var(--primary);border-color:var(--primary);color:var(--primary-ink);transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .25s ease}
.faq-a p{padding:0 22px 20px;color:var(--mute);font-size:15px}

/* ============ CTA BAND ============ */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:24px;
  padding:72px 56px;
  text-align:center;
  border:1px solid var(--line-2);
}
.cta-band .cta-bg{position:absolute;inset:0;background:url(/assets/images/backpic/back-2.webp) center/cover no-repeat}
.cta-band .cta-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(19,14,36,.86),rgba(19,14,36,.94));
}
.cta-inner{position:relative;max-width:720px;margin:0 auto}
.cta-inner h2{margin-bottom:16px}
.cta-inner p{color:var(--mute);margin-bottom:30px}
.cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* ============ FOOTER ============ */
.site-footer{
  position:relative;z-index:1;
  margin-top:96px;
  border-top:1px solid var(--line);
  background:rgba(24,18,45,.86);
  padding:64px 0 0;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:44px}
.footer-desc{color:var(--mute);font-size:14.5px;margin-top:16px;max-width:330px}
.footer-title{font-size:15px;font-weight:700;margin-bottom:16px;color:var(--text)}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{color:var(--mute);font-size:14.5px;transition:color var(--t),transform var(--t);width:fit-content}
.footer-links a:hover{color:var(--accent);transform:translateX(2px)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  border-top:1px solid var(--line);
  padding:22px 0 30px;
  color:var(--dim);font-size:14px;
}
.to-top{
  width:40px;height:40px;border-radius:50%;
  background:var(--primary);color:var(--primary-ink);
  display:grid;place-items:center;font-size:18px;font-weight:800;
  transition:transform var(--t),box-shadow var(--t);
}
.to-top:hover{transform:translateY(-3px);box-shadow:var(--sh-btn)}

/* ============ RESPONSIVE ============ */
@media (max-width:1024px){
  .hero-inner{grid-template-columns:1fr;gap:40px}
  .hero-visual{order:2}
  .hero-tag{left:16px}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .feature-grid{grid-template-columns:repeat(2,1fr)}
  .review-grid{grid-template-columns:repeat(2,1fr)}
  .review-card:nth-child(2){margin-top:0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .section{padding:76px 0}
}
@media (max-width:768px){
  .nav-main,.header-cta{display:none}
  .nav-toggle{display:flex}
  .header-inner{padding:12px 0}
  .container{padding:0 18px}
  .page-hero{padding:56px 0 60px}
  .section{padding:56px 0}
  .section-head{margin-bottom:30px}
  .card-grid{grid-template-columns:1fr}
  .feature-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .step:nth-child(even){transform:none}
  .step:nth-child(even):hover{transform:translateY(-3px)}
  .review-grid{grid-template-columns:1fr}
  .cta-band{padding:52px 22px;border-radius:18px}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:12px}
  .site-footer{margin-top:64px;padding-top:48px}
  .hero-actions .btn{width:100%}
  .badge{flex:1 1 46%;min-width:0}
}
@media (max-width:520px){
  h1{font-size:28px}
  .badge-row{gap:10px}
  .badge{padding:10px 14px}
  .badge b{font-size:19px}
  .card-body{padding:18px}
  .review-card,.feature-item{padding:20px}
  .faq-q{font-size:15px;padding:16px 18px}
  .faq-a p{padding:0 18px 18px}
}

/* roulang page: category2 */
:root{
  --bg:#130E24;
  --card:#1E1738;
  --raise:#251C45;
  --text:#F4F1FA;
  --mute:#A79FC0;
  --dim:#6E6688;
  --line:rgba(255,255,255,.07);
  --orange:#FF6A1A;
  --orange-soft:rgba(255,106,26,.14);
  --cyan:#22D3C5;
  --cyan-soft:rgba(34,211,197,.12);
  --lemon:#F5D90A;
  --danger:#FF5C5C;
  --r-card:16px;
  --r-btn:10px;
  --r-input:10px;
  --sh-card:0 12px 28px rgba(0,0,0,.35);
  --sh-btn:0 8px 20px rgba(255,106,26,.35);
  --sec-y:92px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:
    linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:72px 72px;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p{margin:0}
ul{margin:0;padding:0;list-style:none}
::selection{background:var(--orange);color:#1a1024}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
main,header,footer{position:relative;z-index:1}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:#130E24;
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.shrink{box-shadow:0 10px 30px rgba(0,0,0,.45)}
.header-top{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  height:74px;
  transition:height .2s ease;
}
.site-header.shrink .header-top{height:58px}
.logo{
  display:inline-flex;align-items:center;gap:10px;
  font-size:19px;font-weight:800;letter-spacing:-.01em;color:var(--text);
  flex:0 0 auto;
}
.logo-mark{
  width:34px;height:34px;border-radius:9px;
  background:var(--orange);color:#1a1024;
  display:inline-flex;align-items:center;justify-content:center;
  font-weight:900;font-size:17px;line-height:1;
  box-shadow:0 6px 16px rgba(255,106,26,.32);
}
.header-right{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.header-chips{padding:0 0 12px}
.site-header.shrink .header-chips{padding-bottom:10px}

.nav-main{display:flex;gap:8px;overflow-x:auto;padding-bottom:2px;scrollbar-width:none}
.nav-main::-webkit-scrollbar{display:none}
.nav-main a{
  flex:0 0 auto;
  padding:8px 17px;
  border-radius:999px;
  border:1px solid var(--line);
  color:var(--mute);
  font-size:14.5px;font-weight:500;
  white-space:nowrap;
  transition:transform .18s ease,border-color .18s ease,color .18s ease,background .18s ease;
}
.nav-main a:hover{transform:translateY(-1px);border-color:var(--cyan);color:var(--text)}
.nav-main a:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}
.nav-main a.active{
  background:var(--orange);border-color:var(--orange);color:#1a1024;font-weight:700;
}

.menu-toggle{
  display:none;width:42px;height:42px;border-radius:10px;
  border:1px solid var(--line);background:transparent;cursor:pointer;
  flex-direction:column;align-items:center;justify-content:center;gap:4px;
  transition:border-color .18s ease;
}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;transition:transform .2s ease,opacity .2s ease}
.menu-toggle:hover{border-color:var(--cyan)}
.menu-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.menu-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.menu-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

.mobile-drawer{display:none}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;
  border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,border-color .18s ease,color .18s ease;
}
.btn:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}
.btn-primary{background:var(--orange);color:#1a1024}
.btn-primary:hover{background:#ff823f;transform:translateY(-2px);box-shadow:var(--sh-btn)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-ghost{background:transparent;border-color:var(--cyan);color:var(--cyan)}
.btn-ghost:hover{background:var(--cyan-soft);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-block{width:100%}

/* ============ 标签 ============ */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;
  font-size:12.5px;line-height:1.6;
  border:1px solid var(--line);color:var(--mute);background:rgba(255,255,255,.02);
}
.tag-orange{border-color:rgba(255,106,26,.5);color:#ffb98a;background:var(--orange-soft)}
.tag-cyan{border-color:rgba(34,211,197,.45);color:#83e8de;background:var(--cyan-soft)}
.tag-lemon{border-color:rgba(245,217,10,.4);color:#f4e266;background:rgba(245,217,10,.1)}

/* ============ 内页 Banner ============ */
.page-hero{
  position:relative;
  padding:84px 0 76px;
  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(19,14,36,.97) 0%,rgba(19,14,36,.9) 42%,rgba(19,14,36,.74) 100%);
}
.page-hero > .container{position:relative;z-index:2}
.crumb{font-size:13.5px;color:var(--dim);display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.crumb a{color:var(--mute);transition:color .18s ease}
.crumb a:hover{color:var(--cyan)}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:52px;align-items:center;margin-top:26px}
.page-hero h1{
  font-size:clamp(30px,4.2vw,50px);
  font-weight:800;line-height:1.16;letter-spacing:-.02em;
  margin:18px 0 20px;
}
.hero-lead{color:var(--mute);font-size:17px;max-width:640px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.badges{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:42px;padding-top:28px;border-top:1px solid var(--line)}
.badge-num{
  font-size:24px;font-weight:800;color:var(--orange);
  letter-spacing:-.02em;font-variant-numeric:tabular-nums;line-height:1.2;
}
.badge-label{font-size:13px;color:var(--dim);margin-top:4px}

.hero-panel{
  background:rgba(30,23,56,.92);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-card);
  padding:28px;
}
.hero-panel h2{font-size:18px;font-weight:700;margin-bottom:6px}
.hero-panel .panel-note{font-size:13.5px;color:var(--dim);margin-bottom:18px}
.check-line{display:flex;gap:12px;padding:14px 0;border-top:1px solid var(--line)}
.check-line:first-of-type{border-top:0}
.check-dot{
  flex:0 0 auto;width:22px;height:22px;border-radius:50%;
  background:var(--cyan-soft);color:var(--cyan);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:800;margin-top:3px;
}
.check-line b{display:block;font-size:15px;font-weight:700}
.check-line span{display:block;font-size:13.5px;color:var(--mute);line-height:1.6}

/* ============ 通用板块 ============ */
.section{padding:var(--sec-y) 0}
.section-alt{background:rgba(37,28,69,.4);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:760px;margin-bottom:46px}
.eyebrow{
  display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:.14em;
  color:var(--cyan);text-transform:uppercase;margin-bottom:12px;
}
.section-head h2{font-size:clamp(24px,3vw,32px);font-weight:700;line-height:1.28;letter-spacing:-.01em}
.section-head p{color:var(--mute);margin-top:14px}

/* ============ 卡片 ============ */
.card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-card);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.card:hover{transform:translateY(-4px);border-color:rgba(34,211,197,.45)}
.card-body{padding:26px}
.card h3{font-size:19px;font-weight:700;margin:16px 0 10px;letter-spacing:-.01em}
.card p{color:var(--mute);font-size:15px}
.icon-box{
  width:46px;height:46px;border-radius:12px;
  background:var(--orange-soft);color:var(--orange);
  display:inline-flex;align-items:center;justify-content:center;
}
.icon-box svg{width:22px;height:22px}

.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--cyan);font-size:14.5px;font-weight:600;
  margin-top:16px;
}
.link-arrow .arrow{transition:transform .2s ease}
.link-arrow:hover .arrow{transform:translateX(4px)}
.link-arrow:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:4px}

/* ============ 筛选 chip ============ */
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:22px}
.filter-chip{
  padding:8px 17px;border-radius:999px;font-size:14px;
  border:1px solid var(--line);background:transparent;color:var(--mute);
  cursor:pointer;
  transition:transform .18s ease,border-color .18s ease,color .18s ease,background .18s ease;
}
.filter-chip:hover{transform:translateY(-1px);border-color:var(--cyan);color:var(--text)}
.filter-chip:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}
.filter-chip.on{background:var(--orange);border-color:var(--orange);color:#1a1024;font-weight:700}

/* ============ 横向列表行 ============ */
.row-list{border-top:1px solid var(--line)}
.row-item{
  display:grid;grid-template-columns:118px 1fr;gap:26px;align-items:center;
  padding:26px 18px;border-bottom:1px solid var(--line);
  transition:background .2s ease,padding .2s ease;
}
.row-item:hover{background:rgba(255,255,255,.025)}
.row-thumb{
  width:118px;height:118px;border-radius:14px;overflow:hidden;
  background:var(--raise);border:1px solid var(--line);flex:0 0 auto;
}
.row-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .28s ease}
.row-item:hover .row-thumb img{transform:scale(1.05)}
.row-main h3{font-size:19px;font-weight:700;letter-spacing:-.01em}
.row-main p{color:var(--mute);font-size:15px;margin-top:8px;max-width:780px}
.row-meta{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-top:14px;font-size:13.5px;color:var(--dim)}
.row-item .link-arrow{margin-top:12px}

/* ============ 流程编号 ============ */
.step{
  background:var(--raise);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 24px;transition:transform .2s ease,border-color .2s ease;
}
.step:hover{transform:translateY(-4px);border-color:rgba(255,106,26,.45)}
.step-num{
  font-size:30px;font-weight:800;color:var(--orange);
  font-variant-numeric:tabular-nums;line-height:1;letter-spacing:-.02em;
}
.step h3{font-size:17px;font-weight:700;margin:16px 0 8px}
.step p{font-size:14.5px;color:var(--mute)}

/* ============ 自查清单 ============ */
.checklist{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:32px;box-shadow:var(--sh-card);
}
.check-item{display:flex;gap:12px;align-items:flex-start;padding:10px 0}
.check-item .box{
  flex:0 0 auto;width:20px;height:20px;border-radius:6px;margin-top:4px;
  border:1px solid rgba(34,211,197,.55);background:var(--cyan-soft);
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--cyan);font-size:11px;font-weight:900;
}
.check-item span{color:var(--mute);font-size:15px}
.checklist-foot{margin-top:22px;padding-top:20px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:14px;align-items:center}

/* ============ FAQ ============ */
.faq-item{
  background:var(--card);border:1px solid var(--line);border-left:3px solid transparent;
  border-radius:var(--r-card);margin-bottom:14px;overflow:hidden;
  transition:border-color .2s ease;
}
.faq-item.open{border-left-color:var(--orange)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:18px 22px;background:transparent;border:0;cursor:pointer;text-align:left;
  font-size:16px;font-weight:600;color:var(--text);
}
.faq-q:focus-visible{outline:2px solid var(--cyan);outline-offset:-2px}
.faq-mark{
  flex:0 0 auto;width:24px;height:24px;border-radius:50%;
  border:1px solid var(--line);color:var(--cyan);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:700;line-height:1;
  transition:transform .2s ease,background .2s ease;
}
.faq-item.open .faq-mark{background:var(--orange-soft);border-color:rgba(255,106,26,.5);color:var(--orange);transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s ease}
.faq-item.open .faq-a{max-height:340px}
.faq-a-inner{padding:0 22px 20px;color:var(--mute);font-size:15px}

/* ============ CTA + 表单 ============ */
.cta-band{
  position:relative;
  padding:88px 0;
  background-image:url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;
  overflow:hidden;
  border-top:1px solid var(--line);
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(19,14,36,.97) 0%,rgba(19,14,36,.88) 50%,rgba(19,14,36,.8) 100%);
}
.cta-band > .container{position:relative;z-index:2}
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:start}
.cta-grid h2{font-size:clamp(24px,3vw,32px);font-weight:700;line-height:1.3;margin:14px 0 16px}
.cta-grid p{color:var(--mute)}
.cta-list{margin-top:26px;display:flex;flex-direction:column;gap:12px}
.cta-list li{display:flex;gap:10px;align-items:flex-start;color:var(--mute);font-size:15px}
.cta-list li::before{content:"";flex:0 0 auto;width:7px;height:7px;border-radius:50%;background:var(--orange);margin-top:9px}

.form-card{
  background:rgba(30,23,56,.95);
  border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-card);padding:30px;
}
.form-card h3{font-size:19px;font-weight:700;margin-bottom:6px}
.form-card .form-note{font-size:13.5px;color:var(--dim);margin-bottom:22px}
.field{margin-bottom:16px}
.field label{display:block;font-size:14px;color:var(--mute);margin-bottom:8px}
.req{color:var(--orange);margin-left:4px}
.input{
  width:100%;background:transparent;
  border:1px solid var(--line);border-radius:var(--r-input);
  padding:12px 14px;color:var(--text);font-size:15px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.input::placeholder{color:var(--dim)}
.input:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(34,211,197,.12)}
select.input{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--mute) 50%),linear-gradient(135deg,var(--mute) 50%,transparent 50%);background-position:calc(100% - 20px) 50%,calc(100% - 14px) 50%;background-size:6px 6px,6px 6px;background-repeat:no-repeat}
textarea.input{min-height:104px;resize:vertical}
.err-msg{display:none;color:var(--danger);font-size:13px;margin-top:6px}
.field.has-err .input{border-color:var(--danger)}
.field.has-err .err-msg{display:block}
.form-foot{margin-top:8px}
.form-tip{font-size:13px;color:var(--dim);margin-top:12px}

/* ============ 页脚 ============ */
.site-footer{background:#0F0B1D;border-top:1px solid var(--line);padding:66px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:42px}
.footer-desc{color:var(--mute);font-size:14.5px;margin:16px 0 0;max-width:330px}
.footer-title{font-size:15px;font-weight:700;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{color:var(--mute);font-size:14.5px;transition:color .18s ease}
.footer-links a:hover{color:var(--cyan)}
.footer-bottom{
  margin-top:50px;border-top:1px solid var(--line);
  padding:22px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;
  color:var(--dim);font-size:14px;
}
.to-top{
  width:40px;height:40px;border-radius:50%;background:var(--orange);color:#1a1024;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:18px;font-weight:800;flex:0 0 auto;
  transition:transform .18s ease,box-shadow .18s ease;
}
.to-top:hover{transform:translateY(-3px);box-shadow:var(--sh-btn)}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  :root{--sec-y:76px}
  .hero-grid{grid-template-columns:1fr;gap:38px}
  .badges{grid-template-columns:repeat(2,1fr)}
  .cta-grid{grid-template-columns:1fr;gap:38px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:768px){
  .container{padding:0 18px}
  .header-chips{display:none}
  .header-right .btn{display:none}
  .menu-toggle{display:inline-flex}
  .mobile-drawer{
    display:block;max-height:0;overflow:hidden;
    background:var(--raise);border-bottom:1px solid var(--line);
    transition:max-height .26s ease;
  }
  .mobile-drawer.open{max-height:520px}
  .mobile-drawer .drawer-inner{padding:18px 18px 26px;display:flex;flex-direction:column;gap:10px}
  .mobile-drawer a{
    padding:12px 16px;border-radius:12px;border:1px solid var(--line);
    color:var(--mute);font-size:15px;font-weight:500;
  }
  .mobile-drawer a.active{background:var(--orange);border-color:var(--orange);color:#1a1024;font-weight:700}
  .mobile-drawer .btn{margin-top:6px}
  .page-hero{padding:60px 0 58px}
  .section{padding:64px 0}
  .row-item{grid-template-columns:92px 1fr;gap:18px;padding:22px 6px}
  .row-thumb{width:92px;height:92px;border-radius:12px}
  .row-main h3{font-size:17px}
  .row-main p{font-size:14.5px}
  .checklist{padding:24px}
  .form-card{padding:24px}
  .site-footer{padding-top:52px}
}
@media (max-width:520px){
  .header-top{height:66px;gap:12px}
  .logo{font-size:17px}
  .logo-mark{width:30px;height:30px;font-size:15px}
  .hero-actions{gap:10px}
  .hero-actions .btn{width:100%}
  .badges{grid-template-columns:1fr 1fr;gap:14px}
  .badge-num{font-size:21px}
  .row-item{grid-template-columns:74px 1fr;gap:14px}
  .row-thumb{width:74px;height:74px;border-radius:10px}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .faq-q{font-size:15px;padding:16px 18px}
  .faq-a-inner{padding:0 18px 18px}
}

/* roulang page: category3 */
:root{
  --bg:#130E24;
  --card:#1E1738;
  --elev:#251C45;
  --text:#F4F1FA;
  --mute:#A79FC0;
  --dim:#6E6688;
  --orange:#FF6A1A;
  --cyan:#22D3C5;
  --lemon:#F5D90A;
  --line:rgba(255,255,255,.07);
  --r-card:16px;
  --r-btn:10px;
  --sh-card:0 12px 28px rgba(0,0,0,.35);
  --sh-btn:0 8px 20px rgba(255,106,26,.35);
}
*{box-sizing:border-box}
.page-body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font-family:inherit;font-size:inherit}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}

/* ===== Header ===== */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(19,14,36,.97);
  border-bottom:1px solid var(--line);
}
.header-top{display:flex;align-items:center;gap:20px;height:72px;transition:height .25s ease}
.site-header.scrolled .header-top{height:56px}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:19px;font-weight:800;letter-spacing:-.01em;color:var(--text);white-space:nowrap}
.logo-mark{width:30px;height:30px;border-radius:9px;background:var(--orange);color:#1A1128;display:flex;align-items:center;justify-content:center;font-weight:900;font-size:16px}
.nav-main{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-main a{padding:9px 14px;border-radius:var(--r-btn);font-size:15px;color:var(--mute);transition:all .18s ease;white-space:nowrap;display:inline-block}
.nav-main a:hover{color:var(--text);background:rgba(255,255,255,.05)}
.nav-main a.active{color:#FFD9C2;background:rgba(255,106,26,.14);box-shadow:inset 0 0 0 1px rgba(255,106,26,.5)}
.nav-cta{padding:10px 20px;font-size:14.5px}
.menu-toggle{display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--line);background:transparent;flex-direction:column;justify-content:center;align-items:center;gap:4px;cursor:pointer}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px}
.header-chips{border-top:1px solid var(--line)}
.chips-row{display:flex;align-items:center;gap:8px;padding-top:10px;padding-bottom:10px;overflow-x:auto;scrollbar-width:none}
.chips-row::-webkit-scrollbar{display:none}
.chip{
  display:inline-block;padding:7px 16px;border-radius:999px;border:1px solid var(--line);
  color:var(--mute);font-size:14px;white-space:nowrap;transition:all .18s ease;
}
.chip:hover{transform:translateY(-1px);border-color:var(--cyan);color:var(--cyan)}
.chip.active{background:var(--orange);border-color:var(--orange);color:#1A1128;font-weight:700}
.mobile-drawer{display:none;border-top:1px solid var(--line);background:#171130;padding:18px 0 22px}
.mobile-drawer.open{display:block}
.mobile-drawer .drawer-links{display:grid;gap:6px;margin-bottom:14px}
.mobile-drawer .drawer-links a{padding:11px 14px;border-radius:var(--r-btn);color:var(--mute);background:rgba(255,255,255,.03);font-size:15px}
.mobile-drawer .drawer-links a.active{color:#FFD9C2;background:rgba(255,106,26,.14);box-shadow:inset 0 0 0 1px rgba(255,106,26,.5)}
.mobile-drawer .drawer-chips{display:flex;flex-wrap:wrap;gap:8px}

/* ===== Buttons ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--r-btn);font-size:15px;font-weight:700;
  border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,border-color .18s ease,color .18s ease;
}
.btn-primary{background:var(--orange);color:#1A1128}
.btn-primary:hover{background:#FF8340;transform:translateY(-2px);box-shadow:var(--sh-btn)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:transparent;border-color:rgba(34,211,197,.6);color:var(--cyan)}
.btn-ghost:hover{background:rgba(34,211,197,.1);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(1px)}
.btn:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}
.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--cyan);font-size:15px;font-weight:600}
.link-arrow span{transition:transform .18s ease}
.link-arrow:hover span{transform:translateX(3px)}

/* ===== Hero ===== */
.cat-hero{
  position:relative;overflow:hidden;
  background:linear-gradient(180deg,rgba(19,14,36,.86),rgba(19,14,36,.95)),url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  border-bottom:1px solid var(--line);
}
.cat-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:56px 56px;
}
.cat-hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;padding:84px 24px}
.pill{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
  background:rgba(34,211,197,.12);border:1px solid rgba(34,211,197,.4);color:var(--cyan);
  font-size:13.5px;font-weight:600;
}
.cat-h1{margin:20px 0 0;font-size:clamp(30px,4.2vw,50px);font-weight:800;line-height:1.15;letter-spacing:-.02em}
.cat-h1 .hl{color:var(--orange)}
.cat-sub{margin:18px 0 0;font-size:17.5px;color:var(--mute);max-width:560px}
.btn-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.stat-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.stat{min-width:124px;padding:14px 18px;border-radius:14px;background:rgba(37,28,69,.72);border:1px solid var(--line)}
.stat-num{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:24px;font-weight:800;color:var(--orange);letter-spacing:-.02em;line-height:1.2}
.stat-label{font-size:13px;color:var(--mute);margin-top:2px}
.cat-hero-art{position:relative;border-radius:20px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-card)}
.cat-hero-art img{width:100%;height:100%;min-height:320px;object-fit:cover}

/* ===== Sections ===== */
.section{padding:96px 0}
.section-alt{background:linear-gradient(180deg,rgba(37,28,69,.28),rgba(19,14,36,0))}
.sec-head{max-width:780px;margin-bottom:44px}
.sec-kicker{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--cyan);margin-bottom:12px}
.sec-title{font-size:clamp(24px,3vw,34px);font-weight:700;line-height:1.25;margin:0;letter-spacing:-.015em}
.sec-desc{margin-top:14px;color:var(--mute);font-size:16px}

/* ===== Numbered entries ===== */
.entries{display:grid;grid-template-columns:1fr 1fr;gap:22px 40px}
.entry{
  display:flex;gap:20px;padding:26px;background:var(--card);
  border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-card);
  transition:transform .2s ease,border-color .2s ease;
}
.entry:nth-child(even){margin-top:34px}
.entry:hover{transform:translateY(-4px);border-color:rgba(34,211,197,.55)}
.entry-num{
  flex:0 0 auto;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
  font-size:40px;font-weight:900;line-height:1;letter-spacing:-.03em;
  color:transparent;-webkit-text-stroke:1.6px var(--orange);
}
.entry-title{font-size:20px;font-weight:600;margin:0 0 8px}
.entry p{margin:0;color:var(--mute);font-size:15px}
.entry-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.tag{font-size:12.5px;padding:4px 10px;border-radius:999px;background:rgba(255,106,26,.12);color:#FFB381;border:1px solid rgba(255,106,26,.3)}

/* ===== Tiers ===== */
.tiers{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start}
.tier{
  position:relative;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);padding:32px 26px 28px;box-shadow:var(--sh-card);
  transition:transform .2s ease,border-color .2s ease;
}
.tier:hover{transform:translateY(-4px);border-color:rgba(34,211,197,.5)}
.tier.featured{border-color:rgba(255,106,26,.75);background:linear-gradient(180deg,rgba(255,106,26,.09),rgba(30,23,56,.92));box-shadow:0 16px 34px rgba(255,106,26,.18)}
.tier-badge{
  position:absolute;top:0;right:0;padding:7px 16px 18px 24px;
  clip-path:polygon(0 0,100% 0,100% 100%);
  background:var(--orange);color:#1A1128;font-size:12.5px;font-weight:800;
  border-top-right-radius:var(--r-card);
}
.tier-name{font-size:19px;font-weight:700;margin:0}
.tier-range{margin:10px 0 0;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:26px;font-weight:800;color:var(--orange);letter-spacing:-.02em}
.tier-note{margin:6px 0 0;font-size:13.5px;color:var(--dim)}
.tier-list{list-style:none;padding:0;margin:22px 0 0;display:grid;gap:12px}
.tier-list li{position:relative;padding-left:24px;font-size:14.8px;color:var(--mute)}
.tier-list li::before{content:"";position:absolute;left:0;top:9px;width:9px;height:9px;border-radius:3px;background:var(--cyan);opacity:.85}
.tier .btn{width:100%;margin-top:24px}

/* ===== Steps ===== */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.step{position:relative;padding:26px 22px;background:var(--elev);border:1px solid var(--line);border-radius:var(--r-card);transition:transform .2s ease,border-color .2s ease}
.step:hover{transform:translateY(-4px);border-color:rgba(255,106,26,.5)}
.step-index{
  width:34px;height:34px;border-radius:10px;background:rgba(34,211,197,.14);color:var(--cyan);
  display:flex;align-items:center;justify-content:center;font-weight:800;
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:15px;
}
.step h3{margin:16px 0 8px;font-size:18px;font-weight:600}
.step p{margin:0;color:var(--mute);font-size:14.6px}

/* ===== Split ===== */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split-media img{width:100%;border-radius:var(--r-card);border:1px solid var(--line);box-shadow:var(--sh-card);object-fit:cover}
.check-list{list-style:none;padding:0;margin:24px 0 0;display:grid;gap:14px}
.check-list li{position:relative;padding-left:32px;color:var(--mute);font-size:15.5px}
.check-list li::before{
  content:"✓";position:absolute;left:0;top:2px;width:20px;height:20px;
  display:flex;align-items:center;justify-content:center;border-radius:6px;
  background:rgba(34,211,197,.14);color:var(--cyan);font-size:12px;font-weight:800;
}

/* ===== FAQ ===== */
.faq{display:grid;gap:12px;max-width:920px}
.faq details{
  background:var(--card);border:1px solid var(--line);border-left:3px solid transparent;
  border-radius:var(--r-card);transition:border-color .2s ease,background .2s ease;
}
.faq details[open]{border-left-color:var(--orange);background:var(--elev)}
.faq summary{
  list-style:none;cursor:pointer;padding:18px 22px;display:flex;justify-content:space-between;
  align-items:center;gap:16px;font-size:16px;font-weight:600;
}
.faq summary::-webkit-details-marker{display:none}
.faq-mark{color:var(--cyan);font-size:20px;line-height:1;font-weight:700}
.faq-mark::before{content:"+"}
.faq details[open] .faq-mark::before{content:"−"}
.faq-body{padding:0 22px 20px;color:var(--mute);font-size:15px}

/* ===== CTA band ===== */
.cta-band{
  position:relative;overflow:hidden;border-radius:24px;border:1px solid var(--line);
  background:linear-gradient(120deg,rgba(19,14,36,.9),rgba(19,14,36,.97)),url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
  padding:56px;
}
.cta-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.cta-title{font-size:clamp(23px,2.6vw,32px);font-weight:700;margin:0;letter-spacing:-.015em;line-height:1.3}
.cta-text{margin:16px 0 0;color:var(--mute);font-size:16px}
.cta-meta{margin-top:26px;display:grid;gap:10px}
.cta-meta span{color:var(--dim);font-size:14.5px}
.form-card{background:rgba(30,23,56,.88);border:1px solid var(--line);border-radius:var(--r-card);padding:26px;box-shadow:var(--sh-card)}
.field{margin-bottom:16px}
.field label{display:block;font-size:14px;color:var(--mute);margin-bottom:8px}
.req{color:var(--orange);margin-left:4px}
.input{
  width:100%;padding:12px 14px;background:transparent;border:1px solid var(--line);
  border-radius:var(--r-btn);color:var(--text);font-size:15px;transition:border-color .18s ease,box-shadow .18s ease;
}
.input::placeholder{color:var(--dim)}
.input:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(34,211,197,.14)}
select.input option{background:#1E1738;color:var(--text)}
textarea.input{resize:vertical;min-height:92px}
.form-hint{font-size:13px;color:var(--dim);margin:12px 0 0}

/* ===== Footer ===== */
.site-footer{background:#0F0A1E;border-top:1px solid var(--line);padding:64px 0 28px;margin-top:96px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}
.footer-desc{color:var(--mute);font-size:14.5px;margin:16px 0 0;max-width:320px}
.footer-title{font-size:15px;font-weight:700;margin-bottom:14px}
.footer-links{display:grid;gap:10px}
.footer-links a{color:var(--mute);font-size:14.5px;transition:color .16s ease,transform .16s ease;display:inline-block}
.footer-links a:hover{color:var(--cyan);transform:translateX(2px)}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;align-items:center;gap:16px;
  color:var(--dim);font-size:14px;
}
.to-top{
  width:40px;height:40px;border-radius:999px;background:var(--orange);color:#1A1128;
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:18px;
  transition:transform .18s ease,box-shadow .18s ease;
}
.to-top:hover{transform:translateY(-3px);box-shadow:var(--sh-btn)}

/* ===== Responsive ===== */
@media (max-width:1024px){
  .cat-hero-inner{grid-template-columns:1fr;gap:36px;padding:68px 24px}
  .cat-hero-art img{min-height:260px}
  .tiers{grid-template-columns:1fr 1fr}
  .tiers .tier.featured{grid-column:span 2}
  .steps{grid-template-columns:1fr 1fr}
  .split{grid-template-columns:1fr;gap:34px}
  .cta-band{padding:44px}
  .cta-grid{grid-template-columns:1fr;gap:34px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:768px){
  .nav-main,.nav-cta{display:none}
  .menu-toggle{display:flex;margin-left:auto}
  .section{padding:64px 0}
  .entries{grid-template-columns:1fr;gap:18px}
  .entry:nth-child(even){margin-top:0}
  .sec-head{margin-bottom:30px}
  .site-footer{margin-top:64px}
}
@media (max-width:520px){
  .container{padding:0 18px}
  .cat-hero-inner{padding:52px 18px}
  .tiers{grid-template-columns:1fr}
  .tiers .tier.featured{grid-column:span 1}
  .steps{grid-template-columns:1fr}
  .btn-row{display:grid;gap:12px}
  .btn-row .btn{width:100%}
  .stat-row{display:grid;grid-template-columns:1fr 1fr}
  .stat{min-width:0}
  .entry{flex-direction:column;gap:12px;padding:22px}
  .cta-band{padding:30px 20px;border-radius:18px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}