/* roulang page: index */
:root{
  --bg-0:#060C14;
  --bg-1:#0A1420;
  --surface:#101E2C;
  --glass:rgba(16,30,44,.55);
  --glass-line:rgba(120,220,210,.16);
  --brand:#12E2B0;
  --brand-lite:#7FF3D6;
  --accent:#FFB43A;
  --warn:#FF5C4D;
  --ink:#E8F1F6;
  --ink-2:#A6B8C6;
  --ink-3:#71869A;
  --line:rgba(255,255,255,.08);
  --r-8:8px;
  --r-12:12px;
  --r-16:16px;
  --r-20:20px;
  --r-pill:999px;
  --sh:0 18px 40px rgba(0,0,0,.45);
  --glow:0 0 0 1px rgba(18,226,176,.45),0 10px 30px -8px rgba(18,226,176,.45);
  --mono:"DIN Alternate","Barlow Condensed",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  min-height:100vh;
  font-family:"HarmonyOS Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:
    radial-gradient(920px 540px at 88% -8%, rgba(18,226,176,.18), transparent 62%),
    radial-gradient(780px 480px at 2% 104%, rgba(255,180,58,.12), transparent 66%),
    var(--bg-0);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-lite);}
h1,h2,h3,h4,h5{margin:0 0 12px;color:var(--ink);font-weight:700;letter-spacing:.2px;}
h1{font-size:clamp(30px,4.2vw,46px);line-height:1.25;}
h2{font-size:clamp(22px,2.6vw,30px);line-height:1.35;}
h3{font-size:19px;line-height:1.5;}
p{margin:0 0 16px;color:var(--ink-2);text-align:left;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
.container{max-width:1200px;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:36px;flex-wrap:wrap;}
.section-head .eyebrow{margin-bottom:10px;}
.section-head p{max-width:640px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:1.2px;color:var(--brand);
  text-transform:uppercase;font-weight:600;
  background:rgba(18,226,176,.10);
  border:1px solid rgba(18,226,176,.28);
  border-radius:var(--r-pill);
  padding:4px 14px;height:26px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand);}
.muted{color:var(--ink-3);}
.text-link{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--ink-2);font-weight:600;transition:color .2s ease,gap .2s ease;}
.text-link i{transition:transform .2s ease;font-style:normal;}
.text-link:hover{color:var(--brand);}
.text-link:hover i{transform:translateX(3px);}

/* ============ 按钮 ============ */
.btn{--bs-btn-border-radius:var(--r-pill);border-radius:var(--r-pill);font-weight:600;font-size:15px;line-height:1;border:1px solid transparent;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease;}
.btn:focus-visible,.text-link:focus-visible,.nav-links a:focus-visible,.brand:focus-visible,.info-card:focus-visible{
  outline:2px solid var(--brand);outline-offset:2px;
}
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:50px;padding:0 26px;
  background:linear-gradient(120deg,var(--brand),var(--brand-lite));
  color:#04241C;border:none;
  box-shadow:0 10px 26px -10px rgba(18,226,176,.7);
}
.btn-brand:hover{color:#04241C;filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 0 0 1px rgba(18,226,176,.45),0 14px 34px -10px rgba(18,226,176,.75);}
.btn-brand:active{transform:translateY(0);filter:brightness(.96);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:50px;padding:0 24px;
  background:transparent;color:var(--ink);
  border:1px solid rgba(232,241,246,.22);
}
.btn-ghost:hover{color:var(--brand);border-color:var(--brand);background:rgba(18,226,176,.06);}
.btn-mini{
  display:inline-flex;align-items:center;justify-content:center;
  height:34px;padding:0 16px;font-size:13px;
  background:linear-gradient(120deg,var(--brand),var(--brand-lite));
  color:#04241C;border-radius:var(--r-pill);font-weight:700;
  box-shadow:0 0 0 1px rgba(18,226,176,.45),0 8px 22px -10px rgba(18,226,176,.9);
}
.btn-mini:hover{color:#04241C;filter:brightness(1.08);}
.btn-block{width:100%;}

/* ============ 顶部倒计时条 ============ */
.countdown{background:var(--glass);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--glass-line);}
.countdown-inner{display:flex;align-items:center;gap:18px;min-height:50px;flex-wrap:wrap;}
.cd-note{display:flex;align-items:center;gap:9px;font-size:13px;color:var(--ink-2);white-space:nowrap;}
.cd-note .dot{width:8px;height:8px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 4px rgba(18,226,176,.18);}
.cd-units{display:flex;align-items:center;gap:8px;margin-left:auto;}
.cd-unit{display:flex;align-items:center;gap:6px;}
.cd-num{
  font-family:var(--mono);font-size:19px;font-weight:600;letter-spacing:.5px;color:var(--ink);
  background:rgba(255,255,255,.04);border:1px solid var(--line);
  border-radius:var(--r-8);padding:2px 9px;min-width:44px;text-align:center;
}
.cd-label{font-size:12px;color:var(--ink-3);}
.cd-sep{font-family:var(--mono);color:var(--ink-3);animation:blink 1.1s steps(1) infinite;}
@keyframes blink{50%{opacity:.15;}}

/* ============ 悬浮胶囊导航 ============ */
.site-head{position:sticky;top:16px;z-index:1030;padding:0 16px;}
.nav-pill{
  position:relative;
  max-width:1160px;margin:0 auto;
  min-height:64px;
  display:flex;align-items:center;gap:16px;
  padding:0 12px 0 18px;
  border-radius:var(--r-pill);
  background:var(--glass);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid var(--glass-line);
  box-shadow:0 10px 30px rgba(0,0,0,.28);
  transition:min-height .25s ease,background .25s ease,box-shadow .25s ease;
}
.site-head.is-scrolled .nav-pill{min-height:56px;background:rgba(10,20,32,.88);box-shadow:0 18px 40px rgba(0,0,0,.55);}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-size:18px;font-weight:700;letter-spacing:.4px;white-space:nowrap;}
.brand:hover{color:var(--ink);}
.brand-mark{
  position:relative;width:30px;height:30px;border-radius:9px;flex:0 0 auto;
  background:linear-gradient(140deg,var(--brand),var(--brand-lite));
  box-shadow:0 0 0 1px rgba(18,226,176,.5);
}
.brand-mark::after{content:"";position:absolute;inset:8px;border:2px solid #04241C;border-radius:50%;}
.nav-links{display:flex;align-items:center;gap:4px;margin:0 auto;}
.nav-links a{
  position:relative;display:inline-block;
  padding:8px 12px;font-size:14px;font-weight:500;color:var(--ink-2);border-radius:var(--r-pill);
  transition:color .2s ease,background .2s ease;
}
.nav-links a:hover{color:var(--ink);background:rgba(255,255,255,.05);}
.nav-links a.is-active{color:var(--brand);}
.nav-links a.is-active::after{content:"";position:absolute;left:50%;bottom:1px;transform:translateX(-50%);width:16px;height:2px;border-radius:2px;background:var(--brand);}
.nav-cta{flex:0 0 auto;}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:var(--r-12);
  background:rgba(255,255,255,.04);border:1px solid var(--line);color:var(--ink);
}
.nav-toggle span{position:relative;display:block;width:16px;height:2px;border-radius:2px;background:currentColor;transition:transform .2s ease;}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:16px;height:2px;border-radius:2px;background:currentColor;transition:transform .2s ease,top .2s ease;}
.nav-toggle span::before{top:-5px;}
.nav-toggle span::after{top:5px;}
.nav-toggle[aria-expanded="true"] span{transform:rotate(45deg);}
.nav-toggle[aria-expanded="true"] span::before{top:0;transform:rotate(-90deg);}
.nav-toggle[aria-expanded="true"] span::after{top:0;opacity:0;}

/* ============ Hero ============ */
.hero{position:relative;padding:56px 0 72px;}
.hero-title{margin:18px 0 18px;}
.hero-sub{font-size:17px;color:var(--ink-2);max-width:520px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:28px 0 30px;}
.hero-stats{
  display:flex;align-items:stretch;gap:0;flex-wrap:wrap;
  border-top:1px solid var(--line);padding-top:22px;max-width:520px;
}
.stat{flex:1 1 0;min-width:110px;padding-right:16px;}
.stat + .stat{border-left:1px solid var(--line);padding-left:18px;}
.stat-num{display:block;font-family:var(--mono);font-size:26px;font-weight:700;color:var(--brand);letter-spacing:.5px;line-height:1.2;}
.stat-label{display:block;font-size:13px;color:var(--ink-3);margin-top:2px;}
.hero-visual{
  position:relative;border-radius:var(--r-20);overflow:hidden;
  border:1px solid rgba(255,255,255,.1);
  box-shadow:var(--sh);
  aspect-ratio:16/11;
  background:linear-gradient(160deg,var(--surface),var(--bg-1));
}
.hero-visual img{width:100%;height:100%;object-fit:cover;}
.hero-mask{position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,12,20,0) 40%,rgba(6,12,20,.82) 100%);}
.hero-badge{
  position:absolute;left:18px;bottom:18px;right:18px;
  display:flex;align-items:center;gap:12px;flex-wrap:wrap;
}
.hero-badge .badge-tag{background:rgba(18,226,176,.14);}
.hero-badge-text{font-size:13px;color:var(--ink-2);}

/* ============ 徽章 / 标签 ============ */
.badge-tag{
  display:inline-flex;align-items:center;gap:6px;
  height:24px;padding:0 12px;font-size:12px;font-weight:600;
  border-radius:var(--r-pill);
  background:rgba(18,226,176,.12);
  border:1px solid rgba(18,226,176,.28);
  color:var(--brand);
  white-space:nowrap;
}
.badge-tag--time{background:rgba(255,180,58,.12);border-color:rgba(255,180,58,.3);color:var(--accent);}
.badge-tag--soft{background:rgba(255,255,255,.05);border-color:var(--line);color:var(--ink-2);}

/* ============ 卖点编号条目 ============ */
.sell-list{border-top:1px solid var(--line);}
.sell-item{
  display:grid;grid-template-columns:96px 1px 1fr;gap:26px;align-items:start;
  padding:26px 0;border-bottom:1px solid var(--line);
  transition:background .25s ease;
}
.sell-item:hover{background:rgba(255,255,255,.02);}
.sell-num{font-family:var(--mono);font-size:34px;font-weight:700;color:rgba(18,226,176,.55);letter-spacing:.5px;line-height:1.1;}
.sell-divider{background:var(--line);height:100%;min-height:44px;}
.sell-body h3{margin-bottom:6px;}
.sell-body p{font-size:15px;margin:0;color:var(--ink-2);}

/* ============ Bento 图墙 ============ */
.bento{display:grid;grid-template-columns:repeat(6,1fr);grid-auto-rows:158px;gap:16px;}
.bento-item{
  position:relative;overflow:hidden;border-radius:var(--r-16);
  border:1px solid rgba(255,255,255,.1);
  background:linear-gradient(160deg,var(--surface),var(--bg-1));
  transition:border-color .25s ease,box-shadow .25s ease,transform .25s ease;
}
.bento-item img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.bento-item::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,12,20,0) 45%,rgba(6,12,20,.78) 100%);}
.bento-item:hover{border-color:var(--glass-line);box-shadow:var(--glow);transform:translateY(-2px);}
.bento-item:hover img{transform:scale(1.03);}
.bento-cap{position:absolute;left:16px;right:16px;bottom:14px;z-index:2;display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
.bento-cap span:last-child{font-size:14px;font-weight:600;color:var(--ink);}
.bento-item:nth-child(1){grid-column:span 3;}
.bento-item:nth-child(2){grid-column:span 3;}
.bento-item:nth-child(3){grid-column:span 2;}
.bento-item:nth-child(4){grid-column:span 2;}
.bento-item:nth-child(5){grid-column:span 2;}
.bento-item:nth-child(6){grid-column:span 4;}
.bento-item:nth-child(7){grid-column:span 2;}

/* ============ 资讯卡 / 通用卡 ============ */
.card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-16);
  box-shadow:var(--sh);
  color:var(--ink);
}
.info-card{
  display:block;height:100%;
  padding:22px 22px 20px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-16);
  color:inherit;
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.info-card:hover{transform:translateY(-2px);border-color:var(--glass-line);box-shadow:var(--sh);color:inherit;}
.info-card__title{
  font-size:17px;font-weight:700;line-height:1.55;margin:12px 0 10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.info-card__desc{
  font-size:14px;color:var(--ink-2);margin:0 0 16px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.info-card__meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--ink-3);border-top:1px solid var(--line);padding-top:14px;flex-wrap:wrap;}
.info-card__meta .dot{width:3px;height:3px;border-radius:50%;background:var(--ink-3);}
.empty-state{
  text-align:center;padding:56px 24px;
  border:1px dashed var(--line);border-radius:var(--r-16);
  background:rgba(255,255,255,.02);
}
.empty-state .empty-ico{
  width:52px;height:52px;margin:0 auto 16px;border-radius:var(--r-12);
  display:flex;align-items:center;justify-content:center;
  background:rgba(18,226,176,.10);border:1px solid rgba(18,226,176,.28);
  color:var(--brand);font-size:22px;
}
.empty-state p{color:var(--ink-3);margin-bottom:18px;}

/* ============ CTA 表单 ============ */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:var(--r-20);
  background:var(--glass);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid var(--glass-line);
  box-shadow:var(--sh);
  padding:44px;
}
.cta-band::before{
  content:"";position:absolute;right:-120px;top:-120px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(18,226,176,.22),transparent 68%);
  pointer-events:none;
}
.cta-list{margin:22px 0 0;}
.cta-list li{position:relative;padding-left:24px;font-size:15px;color:var(--ink-2);margin-bottom:10px;}
.cta-list li::before{content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:2px;background:var(--brand);box-shadow:0 0 0 3px rgba(18,226,176,.16);}
.form-panel{
  position:relative;
  background:rgba(6,12,20,.55);
  border:1px solid var(--line);
  border-radius:var(--r-16);
  padding:26px;
}
.form-field{margin-bottom:16px;}
.form-field label{display:block;font-size:13px;color:var(--ink-3);margin-bottom:7px;}
.form-field .form-control,
.form-field .form-select{
  height:48px;
  background:var(--bg-1);
  border:1px solid var(--line);
  border-radius:var(--r-12);
  color:var(--ink);
  font-size:15px;
  padding:0 14px;
  box-shadow:none;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.form-field .form-control::placeholder{color:var(--ink-3);}
.form-field .form-control:focus,
.form-field .form-select:focus{
  background:var(--bg-1);color:var(--ink);
  border-color:var(--brand);
  box-shadow:0 0 0 4px rgba(18,226,176,.15);
}
.form-field .form-select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--ink-3) 50%),linear-gradient(135deg,var(--ink-3) 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 15px) 21px;background-size:5px 5px,5px 5px;background-repeat:no-repeat;}
.form-field .form-select option{background:var(--bg-1);color:var(--ink);}
.form-field.has-error .form-control{border-color:var(--warn);}
.form-field .err-text{display:none;font-size:12px;color:var(--warn);margin-top:6px;}
.form-field.has-error .err-text{display:block;}
.form-tip{font-size:13px;margin:14px 0 0;min-height:20px;color:var(--ink-3);}
.form-tip.is-error{color:var(--warn);}
.form-tip.is-ok{color:var(--brand);}

/* ============ FAQ ============ */
.faq-side h2{margin-bottom:12px;}
.faq-side p{font-size:15px;color:var(--ink-2);}
.accordion{--bs-accordion-bg:transparent;--bs-accordion-border-color:transparent;--bs-accordion-btn-focus-box-shadow:none;--bs-accordion-active-bg:transparent;--bs-accordion-active-color:var(--ink);}
.accordion-item{
  background:var(--surface);
  border:1px solid var(--line) !important;
  border-radius:var(--r-12) !important;
  margin-bottom:12px;
  overflow:hidden;
}
.accordion-button{
  background:transparent;color:var(--ink);
  font-size:16px;font-weight:500;line-height:1.6;
  padding:18px 56px 18px 20px;
  border-radius:var(--r-12) !important;
  box-shadow:none !important;
}
.accordion-button:not(.collapsed){color:var(--brand);background:rgba(18,226,176,.05);}
.accordion-button::after{
  content:"";width:28px;height:28px;right:18px;position:absolute;
  border-radius:50%;border:1px solid var(--line);
  background-image:none;
  background-color:rgba(255,255,255,.03);
  transition:transform .25s ease,background-color .25s ease;
}
.accordion-button::before{
  content:"";position:absolute;right:29px;top:50%;width:8px;height:8px;margin-top:-5px;
  border-right:1.6px solid var(--ink-2);border-bottom:1.6px solid var(--ink-2);
  transform:rotate(45deg);z-index:2;transition:border-color .25s ease;
}
.accordion-button:not(.collapsed)::after{transform:rotate(180deg);background-color:rgba(18,226,176,.14);}
.accordion-button:not(.collapsed)::before{border-color:var(--brand);}
.accordion-body{
  font-size:15px;line-height:1.85;color:var(--ink-2);
  padding:0 20px 20px 20px;
  border-left:3px solid var(--brand);
  margin-left:20px;
  padding-left:16px;
}

/* ============ 页脚 ============ */
.site-footer{background:var(--bg-1);border-top:1px solid var(--line);padding:64px 0 0;margin-top:20px;}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:14px;color:var(--ink-3);max-width:330px;}
.footer-col h4{font-size:14px;font-weight:600;color:var(--ink);margin-bottom:18px;position:relative;padding-bottom:10px;}
.footer-col h4::after{content:"";position:absolute;left:0;bottom:0;width:22px;height:2px;border-radius:2px;background:var(--brand);}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:var(--ink-2);display:inline-block;transition:color .2s ease,transform .2s ease;}
.footer-col a:hover{color:var(--ink);transform:translateX(2px);}
.footer-contact li{font-size:14px;color:var(--ink-2);margin-bottom:10px;}
.footer-contact span{color:var(--ink-3);font-size:13px;display:block;}
.footer-bottom{
  margin-top:48px;border-top:1px solid var(--line);padding:20px 0;
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:var(--ink-3);
}
.footer-bottom a{color:var(--ink-3);}
.footer-bottom a:hover{color:var(--brand);}
.social-row{display:flex;gap:10px;}
.social-row a{
  width:36px;height:36px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);color:var(--ink-2);font-size:14px;
  transition:border-color .2s ease,color .2s ease,transform .2s ease;
}
.social-row a:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px);}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .nav-links a{padding:8px 9px;font-size:13.5px;}
}
@media (max-width:991.98px){
  .section{padding:64px 0;}
  .section--tight{padding:48px 0;}
  .hero{padding:40px 0 56px;}
  .nav-pill{flex-wrap:wrap;padding:10px 12px 10px 16px;}
  .nav-links{
    position:absolute;left:0;right:0;top:calc(100% + 10px);
    flex-direction:column;align-items:stretch;gap:0;
    background:rgba(10,20,32,.97);
    backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
    border:1px solid var(--glass-line);border-radius:var(--r-20);
    padding:8px;margin:0;display:none;
    box-shadow:0 24px 50px rgba(0,0,0,.6);
  }
  .nav-links.is-open{display:flex;}
  .nav-links a{height:48px;display:flex;align-items:center;padding:0 16px;border-bottom:1px solid var(--line);border-radius:var(--r-12);font-size:15px;}
  .nav-links li:last-child a{border-bottom:none;}
  .nav-links a.is-active::after{display:none;}
  .nav-links a.is-active{background:rgba(18,226,176,.10);}
  .nav-toggle{display:inline-flex;margin-left:auto;}
  .nav-cta{margin-left:auto;}
  .nav-toggle + .nav-cta{margin-left:0;}
  .cta-band{padding:30px;}
  .bento{grid-auto-rows:140px;}
  .bento-item:nth-child(1),
  .bento-item:nth-child(2){grid-column:span 6;}
  .bento-item:nth-child(3),
  .bento-item:nth-child(4),
  .bento-item:nth-child(5){grid-column:span 3;}
  .bento-item:nth-child(6),
  .bento-item:nth-child(7){grid-column:span 3;}
}
@media (max-width:767.98px){
  body{font-size:15.5px;line-height:1.8;}
  .section{padding:44px 0;}
  .section--tight{padding:36px 0;}
  .section-head{margin-bottom:24px;}
  .countdown-inner{padding:8px 0;gap:10px;}
  .cd-units{margin-left:0;width:100%;justify-content:space-between;gap:4px;}
  .cd-num{font-size:17px;min-width:38px;padding:2px 6px;}
  .cd-note{font-size:12px;}
  .countdown .btn-mini{display:none;}
  .nav-cta{display:none;}
  .hero{padding:32px 0 44px;}
  .hero-sub{font-size:15.5px;}
  .hero-actions .btn{width:100%;}
  .stat-num{font-size:22px;}
  .sell-item{grid-template-columns:56px 1px 1fr;gap:16px;padding:20px 0;}
  .sell-num{font-size:26px;}
  .bento{grid-auto-rows:130px;gap:12px;}
  .bento-item:nth-child(3),
  .bento-item:nth-child(4),
  .bento-item:nth-child(5),
  .bento-item:nth-child(6),
  .bento-item:nth-child(7){grid-column:span 6;}
  .cta-band{padding:22px;border-radius:var(--r-16);}
  .form-panel{padding:20px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .site-footer{padding-top:48px;}
}
@media (max-width:575.98px){
  .container{padding-left:16px;padding-right:16px;}
  .brand{font-size:16px;}
  .brand-mark{width:26px;height:26px;}
  .hero-stats{flex-direction:column;gap:14px;}
  .stat{padding-right:0;}
  .stat + .stat{border-left:none;padding-left:0;border-top:1px solid var(--line);padding-top:12px;}
  .cd-label{display:none;}
  .accordion-button{font-size:15px;padding:16px 50px 16px 16px;}
}

/* roulang page: article */
:root{
  --bg-0:#060C14;--bg-1:#0A1420;--surface:#101E2C;
  --glass:rgba(16,30,44,.55);--glass-line:rgba(120,220,210,.16);
  --brand:#12E2B0;--brand-lite:#7FF3D6;--accent:#FFB43A;--warn:#FF5C4D;
  --ink:#E8F1F6;--ink-2:#A6B8C6;--ink-3:#71869A;
  --line:rgba(255,255,255,.08);
  --sh:0 18px 40px rgba(0,0,0,.45);
  --glow:0 0 0 1px rgba(18,226,176,.45),0 10px 30px -8px rgba(18,226,176,.45);
  --r8:8px;--r12:12px;--r16:16px;--r20:20px;--rpill:999px;
  --font:"HarmonyOS Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --mono:"DIN Alternate","Barlow Condensed",ui-monospace,SFMono-Regular,Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;font-family:var(--font);font-size:16px;line-height:1.85;color:var(--ink);
  background:
    radial-gradient(760px 520px at 88% -8%,rgba(18,226,176,.20),transparent 62%),
    radial-gradient(680px 480px at 2% 104%,rgba(255,180,58,.12),transparent 64%),
    var(--bg-0);
  min-height:100vh;
  text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand-lite);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--brand)}
button{font-family:inherit}
h1,h2,h3,h4,h5{margin:0;font-weight:700;letter-spacing:.2px;line-height:1.3}
p{margin:0 0 16px;word-break:normal;text-align:left}
ul,ol{margin:0 0 16px;padding-left:1.25em}
::selection{background:rgba(18,226,176,.28);color:#fff}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.container{max-width:1200px;padding-left:20px;padding-right:20px;margin:0 auto}

/* ---------- 导航 ---------- */
.site-head{position:fixed;inset:16px 0 auto;z-index:1030;display:flex;justify-content:center;padding:0 16px;transition:top .22s ease}
.nav-pill{
  width:92%;max-width:1160px;height:64px;display:flex;align-items:center;gap:18px;
  padding:0 12px 0 20px;border-radius:var(--rpill);
  background:var(--glass);border:1px solid var(--glass-line);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  box-shadow:0 12px 34px rgba(0,0,0,.38);
  transition:height .22s ease,background .22s ease,box-shadow .22s ease;
}
.site-head.is-scrolled .nav-pill{height:56px;background:rgba(8,18,28,.86);box-shadow:0 16px 40px rgba(0,0,0,.55)}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-size:18px;font-weight:700;letter-spacing:.6px;white-space:nowrap}
.brand:hover{color:var(--ink)}
.brand-mark{
  width:26px;height:26px;border-radius:9px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--brand),var(--brand-lite) 55%,var(--accent));
  box-shadow:0 0 0 1px rgba(255,255,255,.16),0 6px 16px -6px rgba(18,226,176,.9);
  position:relative;
}
.brand-mark::after{content:"";position:absolute;inset:7px 7px 7px 7px;border-radius:50%;background:rgba(4,36,28,.72)}
.nav-links{display:flex;align-items:center;gap:2px;list-style:none;margin:0 0 0 auto;padding:0}
.nav-links a{
  display:block;padding:8px 12px;border-radius:var(--rpill);
  color:var(--ink-2);font-size:13.5px;letter-spacing:.3px;position:relative;transition:color .18s ease,background .18s ease;
}
.nav-links a:hover{color:var(--ink);background:rgba(255,255,255,.05)}
.nav-links a.is-active{color:var(--brand)}
.nav-links a.is-active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:18px;height:2px;border-radius:2px;background:var(--brand);
}
.nav-cta{margin-left:4px}
.nav-toggle{
  display:none;margin-left:auto;width:44px;height:44px;border-radius:var(--rpill);
  border:1px solid var(--line);background:rgba(255,255,255,.04);position:relative;
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  position:absolute;left:50%;width:18px;height:2px;border-radius:2px;background:var(--ink);transform:translateX(-50%);transition:.2s;
}
.nav-toggle span{top:50%;margin-top:-1px}
.nav-toggle span::before{content:"";left:0;transform:none;top:-6px}
.nav-toggle span::after{content:"";left:0;transform:none;top:6px}
.nav-toggle[aria-expanded="true"] span{background:transparent}
.nav-toggle[aria-expanded="true"] span::before{top:0;transform:rotate(45deg)}
.nav-toggle[aria-expanded="true"] span::after{top:0;transform:rotate(-45deg)}

/* ---------- 按钮 ---------- */
.btn{border-radius:var(--rpill);font-weight:600;letter-spacing:.4px;border:1px solid transparent;transition:transform .16s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease}
.btn-brand{
  background:linear-gradient(135deg,var(--brand),var(--brand-lite));
  color:#04241C;padding:13px 26px;height:48px;display:inline-flex;align-items:center;justify-content:center;
  box-shadow:0 10px 26px -10px rgba(18,226,176,.75);
}
.btn-brand:hover{color:#04241C;filter:brightness(1.08);transform:translateY(-1px);box-shadow:var(--glow)}
.btn-ghost{
  background:transparent;color:var(--ink);border:1px solid rgba(232,241,246,.22);
  padding:13px 24px;height:48px;display:inline-flex;align-items:center;justify-content:center;
}
.btn-ghost:hover{color:var(--ink);border-color:var(--brand);transform:translateY(-1px)}
.btn-sm{height:40px;padding:9px 20px;font-size:13.5px}
.btn-xs{height:34px;padding:6px 16px;font-size:12.5px}
.link-arrow{display:inline-flex;align-items:center;gap:8px;color:var(--brand);font-weight:600;font-size:14px}
.link-arrow i{transition:transform .2s ease}
.link-arrow:hover i{transform:translateX(3px)}

/* ---------- 面包屑 ---------- */
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;list-style:none;margin:0;padding:0;font-size:13px;color:var(--ink-3)}
.crumbs li{display:flex;align-items:center;gap:8px;min-width:0}
.crumbs li+li::before{content:"/";color:var(--ink-3);opacity:.6}
.crumbs a{color:var(--ink-2)}
.crumbs a:hover{color:var(--brand)}
.crumbs .current{color:var(--ink);max-width:52ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- 页头 ---------- */
.page-head{position:relative;padding:132px 0 34px;overflow:hidden}
.page-head::before{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(180deg,rgba(6,12,20,.35),rgba(6,12,20,.94)),url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  opacity:.42;
}
.article-head{margin-top:22px}
.article-head .kicker{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:2px;
  color:var(--brand);text-transform:uppercase;margin-bottom:14px;font-family:var(--mono);
}
.article-head .kicker::before{content:"";width:24px;height:1px;background:var(--brand);display:inline-block}
.article-head h1{
  font-size:clamp(28px,4vw,44px);line-height:1.26;letter-spacing:.4px;max-width:20ch;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 16px;margin-top:20px;
  font-size:13px;color:var(--ink-3);
}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--ink-3);opacity:.6}
.article-meta i{color:var(--ink-3);margin-right:5px}
.badge-soft{
  display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 11px;border-radius:var(--rpill);
  font-size:12px;font-weight:600;line-height:1;letter-spacing:.3px;
  background:rgba(18,226,176,.12);color:var(--brand);border:1px solid rgba(18,226,176,.28);
}
.badge-time{background:rgba(255,180,58,.12);color:var(--accent);border:1px solid rgba(255,180,58,.3)}
.head-rule{height:1px;background:var(--line);margin:26px 0 0}

/* ---------- 正文区 ---------- */
.article-wrap{padding:44px 0 76px}
.article-grid{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:44px;align-items:start}
.article-body{max-width:840px;font-size:16px;line-height:1.85;color:var(--ink-2)}
.article-body>*:first-child{margin-top:0}
.article-body h2{
  font-size:clamp(21px,2.4vw,27px);color:var(--ink);margin:1.7em 0 .7em;padding-left:14px;position:relative;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.28em;bottom:.28em;width:4px;border-radius:4px;
  background:linear-gradient(180deg,var(--brand),rgba(18,226,176,.25));
}
.article-body h3{font-size:19px;color:var(--ink);margin:1.6em 0 .6em;padding-left:12px;position:relative}
.article-body h3::before{content:"";position:absolute;left:0;top:.38em;bottom:.38em;width:3px;border-radius:3px;background:rgba(255,180,58,.7)}
.article-body h4{font-size:16.5px;color:var(--ink);margin:1.4em 0 .5em}
.article-body p{margin:0 0 18px;color:var(--ink-2)}
.article-body strong{color:var(--ink);font-weight:700}
.article-body ul,.article-body ol{padding-left:1.3em;margin:0 0 18px}
.article-body li{margin-bottom:9px;color:var(--ink-2)}
.article-body li::marker{color:var(--brand)}
.article-body blockquote{
  margin:24px 0;padding:6px 0 6px 20px;border-left:3px solid var(--brand);
  color:var(--ink-3);font-style:italic;background:rgba(18,226,176,.04);border-radius:0 var(--r12) var(--r12) 0;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:14px;border:1px solid rgba(255,255,255,.1);margin:22px 0 10px;width:100%;height:auto;object-fit:cover}
.article-body figure{margin:24px 0}
.article-body figure img{margin:0 0 10px}
.article-body figcaption{text-align:center;font-size:13px;color:var(--ink-3)}
.article-body a{color:var(--brand-lite);border-bottom:1px dashed rgba(127,243,214,.4)}
.article-body a:hover{color:var(--brand);border-bottom-color:var(--brand)}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:14.5px;display:table}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left}
.article-body th{background:var(--surface);color:var(--ink);font-weight:600}
.article-body td{color:var(--ink-2)}
.article-body pre{
  background:var(--bg-1);border:1px solid var(--line);border-radius:12px;padding:16px 18px;
  overflow-x:auto;font-family:var(--mono);font-size:13.5px;line-height:1.7;color:var(--ink-2);margin:22px 0;
}
.article-body code{font-family:var(--mono);font-size:13.5px;background:rgba(255,255,255,.06);padding:2px 6px;border-radius:6px;color:var(--brand-lite)}
.article-body pre code{background:none;padding:0;color:inherit}
.article-body hr{border:0;border-top:1px solid var(--line);margin:34px 0}

/* 目录 */
.toc{
  position:sticky;top:96px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r16);padding:18px 18px 6px;box-shadow:var(--sh);
}
.toc h3{font-size:13px;letter-spacing:2px;color:var(--ink-3);font-weight:600;margin-bottom:12px;font-family:var(--mono)}
.toc ul{list-style:none;margin:0;padding:0;border-left:1px solid var(--line)}
.toc li{margin:0}
.toc a{
  display:block;padding:6px 0 6px 14px;margin-left:-1px;border-left:2px solid transparent;
  font-size:13.5px;color:var(--ink-2);line-height:1.6;
}
.toc a:hover{color:var(--ink)}
.toc a.is-current{color:var(--brand);border-left-color:var(--brand)}
.toc[hidden]{display:none}

/* 空态 */
.empty-state{
  text-align:center;padding:64px 24px;border:1px dashed rgba(255,255,255,.14);
  border-radius:var(--r20);background:var(--surface);
}
.empty-state .empty-icon{
  width:58px;height:58px;margin:0 auto 16px;border-radius:var(--r16);display:grid;place-items:center;
  font-size:24px;color:var(--brand);background:rgba(18,226,176,.1);border:1px solid rgba(18,226,176,.28);
}
.empty-state h2{font-size:22px;color:var(--ink);margin-bottom:10px}
.empty-state p{color:var(--ink-3);max-width:440px;margin:0 auto 22px}

/* ---------- 文末 ---------- */
.article-foot{margin-top:44px;padding-top:28px;border-top:1px solid var(--line)}
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:26px}
.tag-row .label{font-size:13px;color:var(--ink-3);margin-right:4px}
.tag{
  display:inline-flex;align-items:center;height:28px;padding:0 14px;border-radius:var(--rpill);
  font-size:12.5px;color:var(--ink-2);background:rgba(255,255,255,.04);border:1px solid var(--line);
  transition:.18s ease;
}
.tag:hover{color:var(--brand);border-color:rgba(18,226,176,.4);background:rgba(18,226,176,.08)}
.foot-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between}
.pager{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:26px}
.pager a{
  display:block;padding:16px 18px;border-radius:var(--r16);background:var(--surface);
  border:1px solid var(--line);transition:.2s ease;
}
.pager a:hover{border-color:var(--glass-line);transform:translateY(-2px);box-shadow:var(--sh)}
.pager .dir{font-size:12px;color:var(--ink-3);letter-spacing:1px;display:block;margin-bottom:6px}
.pager .ttl{color:var(--ink);font-size:14.5px;font-weight:600;line-height:1.5;display:block}
.pager a.next{text-align:right}

/* ---------- 相关推荐 ---------- */
.section{padding:0 0 76px}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:26px}
.sec-head h2{font-size:clamp(21px,2.4vw,28px);color:var(--ink)}
.sec-head .sub{font-size:13.5px;color:var(--ink-3);margin-top:8px;max-width:52ch}
.card-grid{display:grid;gap:22px}
.card-grid.cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.post-card{
  display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r16);overflow:hidden;box-shadow:var(--sh);transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
  height:100%;
}
.post-card:hover{transform:translateY(-2px);border-color:var(--glass-line);box-shadow:0 22px 44px rgba(0,0,0,.5)}
.post-card .thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:linear-gradient(160deg,var(--surface),var(--bg-1))}
.post-card .thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .35s ease}
.post-card:hover .thumb img{transform:scale(1.04)}
.post-card .badge-soft{position:absolute;left:12px;bottom:12px;background:rgba(6,12,20,.72);backdrop-filter:blur(6px)}
.post-card .body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-card h3{font-size:16.5px;color:var(--ink);line-height:1.5}
.post-card h3 a{color:inherit}
.post-card h3 a:hover{color:var(--brand)}
.post-card p{font-size:13.5px;color:var(--ink-3);line-height:1.75;margin:0}
.post-card .meta{margin-top:auto;display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--ink-3);font-family:var(--mono);letter-spacing:.5px}

/* ---------- 小 CTA 条 ---------- */
.cta-strip{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px;
  padding:26px 30px;border-radius:var(--r20);border:1px solid var(--glass-line);
  background:linear-gradient(120deg,rgba(18,226,176,.14),rgba(255,180,58,.08) 70%,rgba(16,30,44,.6));
  backdrop-filter:blur(12px);box-shadow:var(--sh);margin-bottom:76px;
}
.cta-strip h2{font-size:19px;color:var(--ink);margin-bottom:6px}
.cta-strip p{margin:0;font-size:13.5px;color:var(--ink-2)}
.cta-strip .num{font-family:var(--mono);color:var(--brand);letter-spacing:1px;font-weight:700}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg-1);border-top:1px solid var(--line);padding:64px 0 26px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:13.5px;color:var(--ink-3);line-height:1.9;max-width:34ch}
.footer-col h4{font-size:14px;color:var(--ink);font-weight:600;margin-bottom:16px;position:relative;padding-bottom:10px}
.footer-col h4::after{content:"";position:absolute;left:0;bottom:0;width:22px;height:2px;border-radius:2px;background:var(--brand)}
.footer-col ul{list-style:none;margin:0;padding:0}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:14px;color:var(--ink-2);display:inline-block;transition:transform .18s ease,color .18s ease}
.footer-col a:hover{color:var(--ink);transform:translateX(2px)}
.footer-contact li{font-size:13.5px;color:var(--ink-2);display:flex;gap:10px;align-items:baseline}
.footer-contact li span{color:var(--ink-3);min-width:64px;font-size:12.5px}
.social-row{display:flex;gap:10px}
.social-row a{
  width:36px;height:36px;border-radius:var(--rpill);display:grid;place-items:center;
  color:var(--ink-2);border:1px solid var(--line);background:rgba(255,255,255,.03);font-size:14px;transition:.2s ease;
}
.social-row a:hover{color:var(--brand);border-color:rgba(18,226,176,.45);box-shadow:0 0 0 1px rgba(18,226,176,.25)}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:12.5px;color:var(--ink-3);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .article-grid{gap:32px}
}
@media (max-width:991.98px){
  .nav-toggle{display:block}
  .nav-links{
    position:absolute;left:0;right:0;top:calc(100% + 12px);
    flex-direction:column;align-items:stretch;gap:0;margin:0;padding:8px;
    background:rgba(9,18,28,.96);border:1px solid var(--glass-line);border-radius:var(--r20);
    backdrop-filter:blur(16px);box-shadow:0 20px 44px rgba(0,0,0,.6);
    opacity:0;visibility:hidden;transform:translateY(-8px);transition:.18s ease;
  }
  .nav-links.is-open{opacity:1;visibility:visible;transform:translateY(0)}
  .nav-links li+li{border-top:1px solid var(--line)}
  .nav-links a{padding:0 16px;height:48px;line-height:48px;border-radius:var(--r12);font-size:15px}
  .nav-links a.is-active::after{display:none}
  .nav-cta{display:none}
  .nav-pill{height:58px;padding:0 10px 0 16px}
  .article-grid{grid-template-columns:minmax(0,1fr)}
  .toc{display:none}
  .card-grid.cols-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .page-head{padding-top:120px}
  .section,.article-wrap{padding-bottom:56px}
  .cta-strip{margin-bottom:56px}
}
@media (max-width:767.98px){
  body{font-size:15.5px}
  .article-head h1{max-width:none}
  .crumbs .current{max-width:26ch}
  .pager{grid-template-columns:1fr}
  .pager a.next{text-align:left}
  .card-grid.cols-3{grid-template-columns:1fr}
  .foot-actions{flex-direction:column;align-items:stretch}
  .foot-actions .btn{width:100%}
  .cta-strip{padding:22px;flex-direction:column;align-items:flex-start}
  .cta-strip .btn{width:100%}
  .site-footer{padding-top:48px}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (max-width:575.98px){
  .nav-pill{width:100%}
  .brand{font-size:16.5px}
  .article-meta{gap:8px 12px;font-size:12.5px}
  .page-head{padding:112px 0 26px}
  .article-head h1{font-size:26px}
  .article-body h2{font-size:20px}
  .article-body h3{font-size:17.5px}
}

/* roulang page: category1 */
:root{
  --bg-0:#060C14; --bg-1:#0A1420; --surface:#101E2C;
  --glass:rgba(16,30,44,.55); --glass-line:rgba(120,220,210,.16);
  --brand:#12E2B0; --brand-lite:#7FF3D6; --accent:#FFB43A; --warn:#FF5C4D;
  --ink:#E8F1F6; --ink-2:#A6B8C6; --ink-3:#71869A; --line:rgba(255,255,255,.08);
  --r-sm:8px; --r-md:12px; --r-lg:16px; --r-xl:20px; --r-pill:999px;
  --sh:0 18px 40px rgba(0,0,0,.45);
  --glow:0 0 0 1px rgba(18,226,176,.45), 0 10px 30px -8px rgba(18,226,176,.45);
  --sp:88px;
  --mono:"DIN Alternate","Barlow Condensed",ui-monospace,"SFMono-Regular",Menlo,monospace;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;padding:0;
  font-family:"HarmonyOS Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;line-height:1.85;color:var(--ink);
  background:
    radial-gradient(900px 620px at 88% -8%, rgba(18,226,176,.13), transparent 62%),
    radial-gradient(820px 560px at -10% 92%, rgba(255,180,58,.09), transparent 62%),
    var(--bg-0);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-radius:14px}
a{color:var(--brand);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--brand-lite)}
p{margin:0 0 16px;color:var(--ink-2)}
p:last-child{margin-bottom:0}
h1,h2,h3,h4,h5{margin:0 0 14px;color:var(--ink);font-weight:700;letter-spacing:.2px}
h1{font-size:clamp(30px,4.2vw,46px);line-height:1.25}
h2{font-size:clamp(22px,2.6vw,30px);line-height:1.35}
h3{font-size:19px;line-height:1.5}
ul,ol{margin:0 0 16px;padding-left:1.15em;color:var(--ink-2)}
li{margin-bottom:8px}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
::selection{background:rgba(18,226,176,.28);color:#fff}

.container,.container-fluid{max-width:1200px;padding-left:20px;padding-right:20px;margin:0 auto}

/* ===== 顶部胶囊导航 ===== */
.site-head{
  position:fixed;top:16px;left:0;right:0;z-index:1030;
  display:flex;justify-content:center;pointer-events:none;
  transition:top .25s ease;
}
.site-head.is-scrolled{top:10px}
.nav-pill{
  pointer-events:auto;position:relative;
  width:92%;max-width:1160px;height:64px;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:0 12px 0 18px;border-radius:var(--r-pill);
  background:var(--glass);border:1px solid var(--glass-line);
  -webkit-backdrop-filter:blur(14px) saturate(150%);
  backdrop-filter:blur(14px) saturate(150%);
  box-shadow:0 10px 30px rgba(0,0,0,.35);
  transition:height .25s ease,background .25s ease,box-shadow .25s ease;
}
.site-head.is-scrolled .nav-pill{
  height:56px;background:rgba(8,16,26,.86);
  box-shadow:0 16px 40px rgba(0,0,0,.5);
}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-size:18px;font-weight:700;color:var(--ink);letter-spacing:.4px;
  text-decoration:none;white-space:nowrap;
}
.brand:hover{color:var(--ink)}
.brand-mark{
  position:relative;width:26px;height:26px;border-radius:9px;flex:0 0 26px;
  background:linear-gradient(135deg,var(--brand),#0B7F68);
  box-shadow:0 0 16px rgba(18,226,176,.5);
}
.brand-mark::after{
  content:"";position:absolute;inset:7px;border-radius:50%;
  border:2px solid rgba(4,36,28,.9);
}
.nav-links{
  display:flex;align-items:center;gap:22px;list-style:none;margin:0;padding:0;
}
.nav-links li{margin:0}
.nav-links a{
  position:relative;display:inline-block;padding:6px 2px;
  font-size:14px;color:var(--ink-2);text-decoration:none;
  transition:color .18s ease;
}
.nav-links a::after{
  content:"";position:absolute;left:50%;bottom:-2px;width:0;height:2px;
  background:var(--brand);border-radius:2px;transform:translateX(-50%);
  transition:width .22s ease;
}
.nav-links a:hover{color:var(--ink)}
.nav-links a:hover::after{width:16px}
.nav-links a.is-active{color:var(--brand);font-weight:600}
.nav-links a.is-active::after{width:18px}
.nav-toggle{
  display:none;position:relative;width:44px;height:44px;flex:0 0 44px;
  border-radius:12px;border:1px solid var(--line);
  background:rgba(255,255,255,.04);cursor:pointer;
  transition:border-color .18s ease,background .18s ease;
}
.nav-toggle:hover{border-color:var(--glass-line);background:rgba(18,226,176,.08)}
.nav-toggle span{
  position:absolute;left:50%;top:50%;width:18px;height:2px;
  background:var(--ink);border-radius:2px;transform:translate(-50%,-50%);
  transition:background .18s ease;
}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;
  background:var(--ink);border-radius:2px;transition:transform .22s ease,top .22s ease,bottom .22s ease;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{bottom:-6px}
.nav-toggle[aria-expanded="true"] span{background:transparent}
.nav-toggle[aria-expanded="true"] span::before{top:0;transform:rotate(45deg)}
.nav-toggle[aria-expanded="true"] span::after{bottom:0;transform:rotate(-45deg)}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-pill);font-weight:600;font-size:15px;
  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,.btn:focus-visible{box-shadow:0 0 0 4px rgba(18,226,176,.18);outline:none}
.btn-brand{
  background:linear-gradient(135deg,var(--brand),var(--brand-lite));
  color:#04241C;padding:0 26px;height:50px;border:none;
  box-shadow:0 10px 26px -10px rgba(18,226,176,.75);
}
.btn-brand:hover{
  color:#04241C;transform:translateY(-1px);
  filter:brightness(1.08);
  box-shadow:0 14px 32px -10px rgba(18,226,176,.9);
}
.btn-brand:active{transform:translateY(0)}
.btn-ghost{
  background:transparent;color:var(--ink);border:1px solid rgba(232,241,246,.22);
  padding:0 24px;height:50px;
}
.btn-ghost:hover{color:var(--brand);border-color:var(--brand);transform:translateY(-1px)}
.btn-sm{height:40px;padding:0 20px;font-size:14px}
.btn-block{width:100%}
.btn-arrow{
  display:inline-flex;align-items:center;gap:6px;color:var(--brand);
  font-weight:600;font-size:14px;background:none;border:none;padding:0;
}
.btn-arrow i{transition:transform .18s ease;font-size:12px}
.btn-arrow:hover i{transform:translateX(3px)}

/* ===== 标签 · 徽章 ===== */
.chip{
  display:inline-flex;align-items:center;gap:6px;
  height:24px;padding:0 12px;border-radius:var(--r-pill);
  font-size:12px;line-height:1;letter-spacing:.4px;
  border:1px solid var(--line);color:var(--ink-2);background:rgba(255,255,255,.03);
}
.chip-brand{background:rgba(18,226,176,.12);border-color:rgba(18,226,176,.32);color:var(--brand)}
.chip-accent{background:rgba(255,180,58,.12);border-color:rgba(255,180,58,.32);color:var(--accent)}
.chip-num{font-family:var(--mono);font-variant-numeric:tabular-nums;letter-spacing:.5px}

/* ===== 页头 Hero ===== */
.page-hero{
  position:relative;padding:150px 0 66px;overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:url("/assets/images/backpic/back-1.webp") center/cover no-repeat;
  opacity:.26;
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.95),transparent 88%);
  mask-image:linear-gradient(180deg,rgba(0,0,0,.95),transparent 88%);
}
.page-hero>.container{position:relative;z-index:1}
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--ink-3);margin-bottom:22px;
}
.crumb a{color:var(--ink-3)}
.crumb a:hover{color:var(--brand)}
.crumb span{color:rgba(255,255,255,.2)}
.crumb em{font-style:normal;color:var(--ink-2)}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:2px;color:var(--brand);text-transform:uppercase;
  margin-bottom:14px;
}
.hero-eyebrow::before{
  content:"";width:26px;height:2px;border-radius:2px;background:var(--brand);
  box-shadow:0 0 10px rgba(18,226,176,.8);
}
.page-hero h1{margin-bottom:16px;max-width:16em}
.page-hero h1 .hl{
  background:linear-gradient(120deg,var(--brand),var(--brand-lite));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{font-size:17px;line-height:1.85;color:var(--ink-2);max-width:34em;margin-bottom:22px}
.hero-chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.hero-figure{
  position:relative;margin:0;border-radius:var(--r-xl);overflow:hidden;
  border:1px solid rgba(255,255,255,.1);
  box-shadow:var(--sh);
}
.hero-figure img{width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:0}
.hero-figure::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 45%,rgba(6,12,20,.82));
}
.hero-figure figcaption{
  position:absolute;left:18px;right:18px;bottom:14px;z-index:1;
  font-size:13px;color:var(--ink-2);line-height:1.6;
}
.metric-row{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  gap:14px;margin-top:36px;
}
.metric{
  background:rgba(16,30,44,.62);
  border:1px solid var(--line);border-radius:var(--r-lg);
  padding:16px 18px;
}
.metric b{
  display:block;font-family:var(--mono);font-size:24px;line-height:1.2;
  color:var(--ink);letter-spacing:.5px;font-variant-numeric:tabular-nums;
}
.metric span{display:block;font-size:12.5px;color:var(--ink-3);margin-top:4px}

/* ===== 板块 ===== */
.section{padding:var(--sp) 0}
.section-tight{padding:52px 0}
.section-head{margin-bottom:38px;max-width:760px}
.section-head h2{margin-bottom:10px}
.section-head p{font-size:15px;color:var(--ink-3);margin:0}
.section-head .eyebrow{
  display:block;font-size:12px;letter-spacing:2.4px;color:var(--accent);
  margin-bottom:10px;font-family:var(--mono);
}

/* ===== 时间轴 ===== */
.timeline{position:relative;padding-left:36px;margin:0}
.timeline::before{
  content:"";position:absolute;left:9px;top:8px;bottom:8px;width:2px;border-radius:2px;
  background:linear-gradient(180deg,var(--brand),rgba(18,226,176,.35) 55%,rgba(18,226,176,.05));
}
.tl-item{position:relative;padding-bottom:30px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-33px;top:9px;width:12px;height:12px;border-radius:50%;
  background:var(--brand);
  box-shadow:0 0 0 4px rgba(18,226,176,.14),0 0 16px rgba(18,226,176,.6);
}
.tl-time{
  display:inline-block;font-family:var(--mono);font-size:14px;letter-spacing:1px;
  color:var(--accent);font-variant-numeric:tabular-nums;margin-bottom:2px;
}
.tl-title{font-size:17px;font-weight:600;color:var(--ink);margin:0 0 4px}
.tl-desc{font-size:14.5px;color:var(--ink-2);margin:0;line-height:1.8}
.tl-note{
  margin-top:14px;padding-left:14px;border-left:2px solid rgba(255,180,58,.5);
  font-size:13.5px;color:var(--ink-3);line-height:1.8;
}

/* 侧栏说明（无边框列表） */
.aside-block{padding-left:4px}
.aside-block h3{font-size:16px;margin-bottom:16px;color:var(--ink)}
.plain-list{list-style:none;padding:0;margin:0}
.plain-list li{
  position:relative;padding-left:22px;margin-bottom:14px;
  font-size:14.5px;line-height:1.8;color:var(--ink-2);
}
.plain-list li::before{
  content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:2px;
  background:rgba(18,226,176,.85);box-shadow:0 0 10px rgba(18,226,176,.5);
}
.plain-list li b{color:var(--ink);font-weight:600}

/* ===== 分档列表 ===== */
.tier-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px 28px}
.tier{
  padding:4px 0 4px 16px;border-left:2px solid rgba(18,226,176,.4);
}
.tier-head{display:flex;align-items:center;gap:10px;margin-bottom:6px}
.tier-head strong{font-size:16px;color:var(--ink)}
.tier p{margin:0;font-size:14.5px;color:var(--ink-2);line-height:1.8}
.tier .chip{height:22px;font-size:11.5px}

/* ===== 数据条 ===== */
.stat-band{
  background:linear-gradient(120deg,rgba(16,30,44,.9),rgba(10,20,32,.6));
  border:1px solid var(--line);border-radius:var(--r-xl);
  padding:30px 26px;
}
.stat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px}
.stat b{
  display:block;font-family:var(--mono);font-size:30px;line-height:1.15;
  color:var(--brand-lite);letter-spacing:.5px;font-variant-numeric:tabular-nums;
}
.stat span{display:block;font-size:13px;color:var(--ink-3);margin-top:6px;line-height:1.7}

/* ===== FAQ ===== */
.faq-wrap{display:grid;grid-template-columns:300px 1fr;gap:48px;align-items:start}
.faq-aside h2{font-size:24px;margin-bottom:12px}
.faq-aside p{font-size:14px;color:var(--ink-3);line-height:1.85}
.accordion{--bs-accordion-bg:transparent;--bs-accordion-border-width:0}
.accordion-item{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-lg);margin-bottom:12px;overflow:hidden;
  transition:border-color .2s ease;
}
.accordion-item:hover{border-color:var(--glass-line)}
.accordion-header{margin:0}
.accordion-button{
  width:100%;background:transparent;color:var(--ink);
  font-size:16px;font-weight:500;padding:18px 54px 18px 20px;
  border:0;box-shadow:none;text-align:left;line-height:1.6;
}
.accordion-button:focus{box-shadow:none;border:0;outline:none}
.accordion-button:focus-visible{outline:2px solid var(--brand);outline-offset:-2px}
.accordion-button:not(.collapsed){
  background:rgba(18,226,176,.07);color:var(--brand-lite);
}
.accordion-button::after{
  width:22px;height:22px;background-size:14px;background-position:center;
  border-radius:50%;border:1px solid rgba(18,226,176,.35);
  background-color:rgba(18,226,176,.1);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%2312E2B0'%3E%3Cpath d='M8 11.2 2.8 6l1.1-1.1L8 9l4.1-4.1L13.2 6z'/%3E%3C/svg%3E");
}
.accordion-button:not(.collapsed)::after{transform:rotate(180deg)}
.accordion-body{
  padding:0 20px 20px 23px;font-size:15px;line-height:1.85;color:var(--ink-2);
  border-left:3px solid var(--brand);margin-left:20px;padding-left:17px;
}

/* ===== CTA 条 ===== */
.cta-strip{
  position:relative;overflow:hidden;
  border-radius:var(--r-xl);border:1px solid var(--glass-line);
  background:linear-gradient(120deg,rgba(18,226,176,.14),rgba(16,30,44,.7) 48%,rgba(255,180,58,.1));
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  padding:34px 32px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:22px;
}
.cta-strip h2{font-size:clamp(20px,2.2vw,26px);margin-bottom:8px}
.cta-strip p{font-size:14.5px;color:var(--ink-2);margin:0;max-width:44em}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ===== 页脚 ===== */
.site-footer{
  background:var(--bg-1);border-top:1px solid var(--line);
  padding:64px 0 26px;margin-top:var(--sp);
}
.footer-brand p{font-size:14px;color:var(--ink-3);line-height:1.85;margin-top:16px;max-width:34em}
.social-row{display:flex;gap:10px}
.social-row a{
  display:inline-flex;align-items:center;justify-content:center;
  width:36px;height:36px;border-radius:10px;font-size:15px;
  color:var(--ink-2);border:1px solid var(--line);background:rgba(255,255,255,.03);
  transition:color .18s ease,border-color .18s ease,transform .18s ease;
}
.social-row a:hover{color:var(--brand);border-color:rgba(18,226,176,.4);transform:translateY(-2px)}
.footer-col h4{
  font-size:14px;font-weight:600;color:var(--ink);margin-bottom:18px;position:relative;padding-bottom:10px;
}
.footer-col h4::after{
  content:"";position:absolute;left:0;bottom:0;width:18px;height:2px;border-radius:2px;background:var(--brand);
}
.footer-col ul{list-style:none;padding:0;margin:0}
.footer-col li{margin-bottom:10px;font-size:14px;color:var(--ink-2)}
.footer-col a{color:var(--ink-2);display:inline-block;transition:color .18s ease,transform .18s ease}
.footer-col a:hover{color:var(--ink);transform:translateX(2px)}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:var(--ink-2)}
.footer-contact span{color:var(--ink-3);flex:0 0 72px}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:13px;color:var(--ink-3);
}

/* ===== 响应式 ===== */
@media (max-width:1200px){
  :root{--sp:76px}
}
@media (max-width:991.98px){
  :root{--sp:64px}
  .nav-toggle{display:block}
  .nav-links{
    position:absolute;top:calc(100% + 10px);left:0;right:0;
    display:none;flex-direction:column;align-items:stretch;gap:0;
    padding:8px;border-radius:var(--r-xl);
    background:rgba(8,16,26,.97);border:1px solid var(--glass-line);
    box-shadow:var(--sh);
    -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  }
  .nav-links.is-open{display:flex}
  .nav-links li{border-bottom:1px solid var(--line);margin:0}
  .nav-links li:last-child{border-bottom:0}
  .nav-links a{display:block;padding:12px 14px;font-size:15px}
  .nav-links a::after{display:none}
  .nav-links a.is-active{background:rgba(18,226,176,.1);border-radius:12px}
  .page-hero{padding:126px 0 52px}
  .faq-wrap{grid-template-columns:1fr;gap:26px}
  .stat-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .tier-list{grid-template-columns:1fr}
}
@media (max-width:767.98px){
  :root{--sp:52px}
  body{font-size:15.5px;line-height:1.8}
  .nav-cta{display:none}
  .nav-pill{height:58px;padding:0 10px 0 14px;gap:10px}
  .site-head.is-scrolled .nav-pill{height:54px}
  .brand{font-size:16px}
  .metric-row{grid-template-columns:1fr;gap:10px;margin-top:26px}
  .metric{padding:14px 16px;display:flex;align-items:baseline;gap:12px}
  .metric b{font-size:20px}
  .metric span{margin-top:0}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .cta-strip{padding:26px 22px;flex-direction:column;align-items:flex-start}
  .cta-actions{width:100%;flex-direction:column}
  .cta-actions .btn{width:100%}
  .footer-bottom{flex-direction:column}
  .timeline{padding-left:30px}
  .tl-item::before{left:-27px}
  .stat-band{padding:24px 20px}
}
@media (max-width:575.98px){
  .stat-grid{grid-template-columns:1fr}
  .hero-figure img{aspect-ratio:4/3}
  .container,.container-fluid{padding-left:16px;padding-right:16px}
}

/* roulang page: category2 */
:root{
  --bg-0:#060C14; --bg-1:#0A1420; --surface:#101E2C;
  --glass:rgba(16,30,44,.55); --glass-line:rgba(120,220,210,.16);
  --brand:#12E2B0; --brand-lite:#7FF3D6; --accent:#FFB43A; --warn:#FF5C4D;
  --ink:#E8F1F6; --ink-2:#A6B8C6; --ink-3:#71869A; --line:rgba(255,255,255,.08);
  --r-1:8px; --r-2:12px; --r-3:16px; --r-4:20px; --r-pill:999px;
  --sh:0 18px 40px rgba(0,0,0,.45);
  --glow:0 0 0 1px rgba(18,226,176,.45),0 10px 30px -8px rgba(18,226,176,.45);
  --font-cn:"HarmonyOS Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --font-num:"DIN Alternate","Barlow Condensed",ui-monospace,SFMono-Regular,Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px; line-height:1.85;
  color:var(--ink);
  background:
    radial-gradient(940px 640px at 88% -8%, rgba(18,226,176,.10), transparent 62%),
    radial-gradient(780px 540px at -8% 84%, rgba(255,180,58,.07), transparent 60%),
    var(--bg-0);
  background-attachment:fixed;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:var(--brand);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-lite)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:.2px}
p{margin:0 0 16px}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0}
::selection{background:rgba(18,226,176,.3);color:#fff}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}

.container,.container-sm,.container-md,.container-lg,.container-xl{
  max-width:1200px!important;padding-left:20px;padding-right:20px;
}
.section{padding:88px 0}
.section-tight{padding:56px 0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:1.6px;text-transform:uppercase;
  color:var(--brand);font-family:var(--font-num);margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--brand);display:inline-block}
.h2{font-size:clamp(22px,2.6vw,30px);line-height:1.35;font-weight:700}
.lead{color:var(--ink-2);font-size:16px;line-height:1.85}
.muted{color:var(--ink-3);font-size:13px}
.num{font-family:var(--font-num);letter-spacing:.5px}

/* ---------- 悬浮胶囊导航 ---------- */
.site-head{
  position:fixed;top:16px;left:0;right:0;z-index:1030;
  display:flex;justify-content:center;padding:0 16px;
  transition:top .25s ease;
}
.nav-pill{
  position:relative;
  display:flex;align-items:center;gap:16px;
  width:92%;max-width:1160px;height:64px;padding:0 12px 0 18px;
  border-radius:var(--r-pill);
  background:var(--glass);
  border:1px solid var(--glass-line);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  box-shadow:0 12px 30px rgba(0,0,0,.35);
  transition:height .25s ease,background .25s ease,box-shadow .25s ease;
}
.site-head.is-scrolled .nav-pill{
  height:56px;background:rgba(10,20,32,.9);box-shadow:0 16px 44px rgba(0,0,0,.55);
}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-size:18px;font-weight:700;color:var(--ink);white-space:nowrap;
}
.brand:hover{color:var(--ink)}
.brand-mark{
  position:relative;width:26px;height:26px;border-radius:8px;flex:none;
  background:linear-gradient(135deg,var(--brand-lite),var(--brand));
  box-shadow:0 0 0 1px rgba(18,226,176,.4);
}
.brand-mark::after{content:"";position:absolute;inset:7px;border-radius:50%;background:var(--bg-0)}
.nav-links{
  display:flex;align-items:center;gap:2px;list-style:none;
  margin:0 auto;padding:0;
}
.nav-links a{
  display:inline-block;padding:8px 12px;font-size:14px;
  color:var(--ink-2);border-radius:var(--r-pill);position:relative;
  transition:color .2s ease,background .2s ease;
}
.nav-links a:hover{color:var(--ink);background:rgba(255,255,255,.05)}
.nav-links a.is-active{color:var(--brand)}
.nav-links a.is-active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:18px;height:2px;border-radius:2px;background:var(--brand);
}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:50%;
  border:1px solid var(--line);background:rgba(255,255,255,.04);
  position:relative;cursor:pointer;transition:border-color .2s ease,background .2s ease;
}
.nav-toggle:hover{border-color:var(--glass-line);background:rgba(18,226,176,.1)}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after{
  position:absolute;left:50%;width:18px;height:2px;border-radius:2px;
  background:var(--ink);transform:translateX(-50%);transition:transform .2s ease,opacity .2s ease;
}
.nav-toggle span{top:50%;margin-top:-1px}
.nav-toggle span::before{content:"";top:-6px;left:0;transform:none}
.nav-toggle span::after{content:"";top:6px;left:0;transform:none}
.nav-toggle.is-open span{background:transparent}
.nav-toggle.is-open span::before{transform:translateY(6px) rotate(45deg)}
.nav-toggle.is-open span::after{transform:translateY(-6px) rotate(-45deg)}

/* ---------- 按钮 ---------- */
.btn{
  --bs-btn-focus-shadow-rgb:none;
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;line-height:1;border:1px solid transparent;
  transition:transform .2s ease,filter .2s ease,box-shadow .2s ease,border-color .2s ease,color .2s ease,background .2s ease;
}
.btn:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.btn-brand{
  background:linear-gradient(135deg,var(--brand-lite),var(--brand));
  color:#04241C;box-shadow:var(--glow);
}
.btn-brand:hover,.btn-brand:focus{
  color:#04241C;filter:brightness(1.08);transform:translateY(-1px);
  box-shadow:0 0 0 1px rgba(18,226,176,.6),0 14px 34px -8px rgba(18,226,176,.6);
}
.btn-brand:active{transform:translateY(0);filter:brightness(.98)}
.btn-ghost{
  background:transparent;color:var(--ink);border-color:rgba(232,241,246,.22);
}
.btn-ghost:hover,.btn-ghost:focus{color:var(--brand-lite);border-color:var(--brand);background:rgba(18,226,176,.06)}
.btn-sm{height:40px;padding:0 18px;font-size:13px}
.link-more{
  display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--brand);
}
.link-more .arw{transition:transform .2s ease}
.link-more:hover .arw{transform:translateX(3px)}

/* ---------- 徽章 ---------- */
.badge-soft{
  display:inline-flex;align-items:center;height:24px;padding:0 12px;
  border-radius:var(--r-pill);font-size:12px;font-weight:600;letter-spacing:.3px;
  background:rgba(18,226,176,.12);color:var(--brand);border:1px solid rgba(18,226,176,.28);
}
.badge-accent{
  display:inline-flex;align-items:center;height:24px;padding:0 12px;
  border-radius:var(--r-pill);font-size:12px;font-weight:600;
  background:rgba(255,180,58,.12);color:var(--accent);border:1px solid rgba(255,180,58,.3);
}

/* ---------- 面包屑 ---------- */
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  list-style:none;padding:0;margin:0 0 22px;font-size:13px;color:var(--ink-3);
}
.crumb li{display:flex;align-items:center;gap:8px}
.crumb li+li::before{content:"/";color:rgba(255,255,255,.18)}
.crumb a{color:var(--ink-2)}
.crumb a:hover{color:var(--brand)}
.crumb .cur{color:var(--ink)}

/* ---------- 分类页头 ---------- */
.page-hero{padding:128px 0 64px;position:relative;overflow:hidden}
.page-hero::after{
  content:"";position:absolute;right:-160px;top:-120px;width:520px;height:520px;
  border-radius:50%;background:radial-gradient(circle,rgba(18,226,176,.14),transparent 68%);
  pointer-events:none;
}
.hero-grid{
  display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center;
}
.hero-title{
  font-size:clamp(30px,4.2vw,46px);line-height:1.25;font-weight:800;margin-bottom:18px;
}
.hero-title em{font-style:normal;color:var(--brand)}
.hero-sub{color:var(--ink-2);font-size:16px;max-width:560px;margin-bottom:26px}
.stat-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:14px;
  border-top:1px solid var(--line);padding-top:22px;margin-top:30px;
}
.stat-strip .st b{
  display:block;font-family:var(--font-num);font-size:26px;line-height:1.2;color:var(--brand-lite);
}
.stat-strip .st span{display:block;font-size:12px;color:var(--ink-3);margin-top:4px}
.hero-media{
  position:relative;border-radius:var(--r-4);overflow:hidden;
  border:1px solid rgba(255,255,255,.1);box-shadow:var(--sh);
  aspect-ratio:4/3;
}
.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,12,20,0) 38%,rgba(6,12,20,.82) 100%);
}
.hero-media .media-cap{
  position:absolute;left:18px;bottom:16px;z-index:2;display:flex;align-items:center;gap:10px;flex-wrap:wrap;
}
.hero-media .media-cap span{font-size:12px;color:var(--ink-2)}

/* ---------- 交错图文 ---------- */
.zig-section{padding:24px 0 40px}
.zig-row{
  display:grid;grid-template-columns:55% 45%;gap:36px;align-items:center;
  padding:44px 0;border-bottom:1px solid var(--line);
}
.zig-row:last-child{border-bottom:0}
.zig-row.rev .zig-media{order:2}
.zig-row.rev .zig-body{order:1}
.zig-media{
  position:relative;border-radius:var(--r-4);overflow:hidden;
  border:1px solid rgba(255,255,255,.1);box-shadow:var(--sh);aspect-ratio:16/10;
  background:linear-gradient(140deg,var(--surface),var(--bg-1));
}
.zig-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.zig-row:hover .zig-media img{transform:scale(1.03)}
.zig-media .tag-float{
  position:absolute;left:16px;top:16px;z-index:2;
}
.zig-body h2{font-size:clamp(20px,2.3vw,26px);line-height:1.4;margin-bottom:14px}
.zig-body p{color:var(--ink-2);font-size:15.5px;max-width:520px}
.zig-list{list-style:none;margin:18px 0 22px;padding:0}
.zig-list li{
  position:relative;padding-left:20px;color:var(--ink-2);font-size:14.5px;
  margin-bottom:8px;
}
.zig-list li::before{
  content:"";position:absolute;left:0;top:11px;width:7px;height:7px;border-radius:50%;
  background:var(--brand);box-shadow:0 0 0 3px rgba(18,226,176,.14);
}
.zig-meta{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:16px}

/* ---------- 流程编号条 ---------- */
.flow-band{
  background:linear-gradient(180deg,rgba(16,30,44,.9),rgba(10,20,32,.9));
  border:1px solid var(--line);border-radius:var(--r-4);
  padding:38px 32px;box-shadow:var(--sh);
}
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:26px}
.flow-item{padding:0 24px;border-left:1px solid var(--line);position:relative}
.flow-item:first-child{border-left:0;padding-left:0}
.flow-item .idx{
  display:block;font-family:var(--font-num);font-size:34px;line-height:1;
  color:rgba(18,226,176,.55);margin-bottom:12px;letter-spacing:1px;
}
.flow-item h3{font-size:17px;margin-bottom:8px}
.flow-item p{color:var(--ink-2);font-size:14px;margin:0}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:.75fr 1.25fr;gap:44px;align-items:start}
.faq-panel{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-4);overflow:hidden;box-shadow:var(--sh);
}
.faq-item+.faq-item{border-top:1px solid var(--line)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;
  gap:16px;padding:18px 20px;font-size:16px;font-weight:500;color:var(--ink);
  transition:background .2s ease,color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{background:rgba(255,255,255,.03);color:var(--brand-lite)}
.faq-item summary .ico{
  flex:none;width:28px;height:28px;border-radius:50%;display:grid;place-items:center;
  border:1px solid var(--line);color:var(--brand);font-size:13px;
  transition:transform .25s ease,background .25s ease,border-color .25s ease;
}
.faq-item[open] summary .ico{transform:rotate(180deg);background:rgba(18,226,176,.12);border-color:rgba(18,226,176,.4)}
.faq-body{
  margin:0 20px 20px;padding:2px 0 2px 16px;
  border-left:3px solid var(--brand);color:var(--ink-2);font-size:15px;line-height:1.8;
}

/* ---------- CTA 条 ---------- */
.cta-strip{
  background:var(--glass);border:1px solid var(--glass-line);
  border-radius:var(--r-4);padding:30px 34px;
  display:flex;align-items:center;justify-content:space-between;gap:26px;
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  box-shadow:0 18px 44px rgba(0,0,0,.4);
}
.cta-strip h3{font-size:20px;margin-bottom:6px}
.cta-strip p{color:var(--ink-2);font-size:14px;margin:0}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;flex:none}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:88px;padding:64px 0 26px;
  background:var(--bg-1);border-top:1px solid var(--line);
}
.site-footer .brand{font-size:17px;margin-bottom:16px}
.site-footer p{color:var(--ink-2);font-size:14px;line-height:1.85;max-width:360px}
.footer-col h4{
  font-size:14px;font-weight:600;margin-bottom:16px;position:relative;padding-bottom:10px;
}
.footer-col h4::after{
  content:"";position:absolute;left:0;bottom:0;width:22px;height:2px;border-radius:2px;background:var(--brand);
}
.footer-col ul{list-style:none;padding:0;margin:0}
.footer-col li{margin-bottom:10px;font-size:14px;color:var(--ink-2)}
.footer-col a{color:var(--ink-2);transition:color .2s ease,transform .2s ease;display:inline-block}
.footer-col a:hover{color:var(--ink);transform:translateX(-2px)}
.footer-contact li{font-size:14px;color:var(--ink)}
.footer-contact span{display:block;font-size:12px;color:var(--ink-3);margin-bottom:2px}
.social-row{display:flex;gap:10px}
.social-row a{
  width:36px;height:36px;border-radius:50%;display:grid;place-items:center;
  border:1px solid var(--line);color:var(--ink-2);font-size:14px;
  transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.social-row a:hover{border-color:var(--brand);color:var(--brand);background:rgba(18,226,176,.08)}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:12px;color:var(--ink-3);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .hero-grid{gap:32px}
}
@media (max-width:991.98px){
  .section{padding:64px 0}
  .page-hero{padding:112px 0 44px}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-media{aspect-ratio:16/10;order:2}
  .stat-strip{grid-template-columns:repeat(2,1fr);gap:18px}
  .zig-row,.zig-row.rev{grid-template-columns:1fr;gap:22px}
  .zig-row .zig-media{order:1}
  .zig-row .zig-body{order:2}
  .flow-grid{grid-template-columns:repeat(2,1fr);gap:26px 0}
  .flow-item:nth-child(odd){border-left:0;padding-left:0}
  .faq-wrap{grid-template-columns:1fr;gap:26px}
  .cta-strip{flex-direction:column;align-items:flex-start}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .nav-pill{justify-content:space-between;padding:0 12px}
  .nav-cta{display:none}
  .nav-links{
    display:none;position:absolute;left:0;right:0;top:calc(100% + 10px);
    flex-direction:column;align-items:stretch;gap:0;margin:0;padding:8px;
    background:rgba(10,20,32,.97);border:1px solid var(--glass-line);
    border-radius:var(--r-4);backdrop-filter:blur(14px);
    box-shadow:0 24px 50px rgba(0,0,0,.6);
  }
  .nav-links.is-open{display:flex;animation:dropline .18s ease}
  .nav-links li+li{border-top:1px solid var(--line)}
  .nav-links a{display:flex;align-items:center;height:48px;padding:0 14px;border-radius:var(--r-2);font-size:15px}
  .nav-links a.is-active::after{left:14px;top:50%;bottom:auto;transform:none;margin-top:-9px;width:2px;height:18px}
}
@keyframes dropline{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:translateY(0)}}
@media (max-width:767.98px){
  body{font-size:15.5px}
  .section{padding:44px 0}
  .section-tight{padding:36px 0}
  .page-hero{padding:98px 0 34px}
  .hero-title{margin-bottom:14px}
  .stat-strip{padding-top:18px;margin-top:22px}
  .flow-band{padding:26px 20px}
  .flow-grid{grid-template-columns:1fr;gap:22px}
  .flow-item{border-left:0;padding:0}
  .cta-strip{padding:24px 20px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (max-width:575.98px){
  .brand{font-size:16px}
  .nav-pill{height:58px}
  .stat-strip .st b{font-size:22px}
  .zig-row{padding:32px 0}
  .site-footer{margin-top:56px;padding:44px 0 20px}
}

/* roulang page: category3 */
:root{
  --bg-0:#060C14;--bg-1:#0A1420;--surface:#101E2C;
  --glass:rgba(16,30,44,.55);--glass-line:rgba(120,220,210,.16);
  --brand:#12E2B0;--brand-lite:#7FF3D6;--accent:#FFB43A;--warn:#FF5C4D;
  --ink:#E8F1F6;--ink-2:#A6B8C6;--ink-3:#71869A;--line:rgba(255,255,255,.08);
  --r8:8px;--r12:12px;--r16:16px;--r20:20px;--pill:999px;
  --sh:0 18px 40px rgba(0,0,0,.45);
  --glow:0 0 0 1px rgba(18,226,176,.45),0 10px 30px -8px rgba(18,226,176,.45);
  --font-cn:"HarmonyOS Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-num:"DIN Alternate","Barlow Condensed",ui-monospace,SFMono-Regular,Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;padding-top:96px;background:var(--bg-0);color:var(--ink);
  font-family:var(--font-cn);font-size:16px;line-height:1.85;
  background-image:
    radial-gradient(900px 600px at 88% -6%,rgba(18,226,176,.20),transparent 62%),
    radial-gradient(760px 560px at -8% 78%,rgba(255,180,58,.12),transparent 60%);
  background-attachment:fixed;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .18s ease;}
ul,ol{margin:0;padding:0;list-style:none;}
p{margin:0 0 16px;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;letter-spacing:.2px;}
h1{font-size:clamp(30px,4.2vw,46px);line-height:1.25;}
h2{font-size:clamp(22px,2.6vw,30px);}
h3{font-size:19px;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
.container{max-width:1200px;padding-left:20px;padding-right:20px;}

/* ===== 悬浮胶囊导航 ===== */
.site-head{position:fixed;top:16px;left:0;right:0;z-index:1040;display:flex;justify-content:center;padding:0 4%;}
.nav-pill{
  width:100%;max-width:1160px;height:64px;display:flex;align-items:center;gap:12px;
  padding:0 12px 0 18px;border-radius:var(--pill);
  background:var(--glass);border:1px solid var(--glass-line);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  transition:height .25s ease,background .25s ease,box-shadow .25s ease;
}
.site-head.is-scrolled .nav-pill{height:56px;background:rgba(10,20,32,.86);box-shadow:0 14px 34px rgba(0,0,0,.5);}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:var(--ink);white-space:nowrap;}
.brand:hover{color:var(--brand-lite);}
.brand-mark{
  width:26px;height:26px;border-radius:9px;position:relative;flex:0 0 auto;
  background:linear-gradient(135deg,var(--brand),var(--brand-lite));
  box-shadow:0 0 0 1px rgba(18,226,176,.5),0 6px 16px -6px rgba(18,226,176,.8);
}
.brand-mark::after{
  content:"";position:absolute;inset:7px;border-radius:4px;
  background:var(--bg-0);opacity:.75;
}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:auto;}
.nav-links a{
  display:inline-block;position:relative;padding:8px 13px;border-radius:var(--pill);
  font-size:14px;color:var(--ink-2);transition:color .18s ease,background .18s ease;
}
.nav-links a:hover{color:var(--ink);background:rgba(255,255,255,.05);}
.nav-links a.is-active{color:var(--brand);}
.nav-links a.is-active::after{
  content:"";position:absolute;left:50%;bottom:0;transform:translateX(-50%);
  width:18px;height:2px;border-radius:2px;background:var(--brand);
}
.nav-cta{flex:0 0 auto;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:var(--pill);
  border:1px solid var(--line);background:rgba(255,255,255,.04);
  position:relative;cursor:pointer;
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  position:absolute;left:11px;width:20px;height:2px;border-radius:2px;background:var(--ink);
  transition:transform .2s ease,opacity .2s ease;
}
.nav-toggle span{top:20px;}
.nav-toggle span::before{content:"";left:0;top:-6px;}
.nav-toggle span::after{content:"";left:0;top:6px;}
.nav-toggle[aria-expanded="true"] span{background:transparent;}
.nav-toggle[aria-expanded="true"] span::before{transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span::after{transform:translateY(-6px) rotate(-45deg);}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--pill);border:1px solid transparent;
  font-size:15px;font-weight:600;letter-spacing:.3px;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease,color .18s ease,filter .18s ease;
}
.btn-brand{background:linear-gradient(135deg,var(--brand),var(--brand-lite));color:#04241C;}
.btn-brand:hover{filter:brightness(1.08);transform:translateY(-1px);box-shadow:var(--glow);color:#04241C;}
.btn-ghost{background:transparent;border-color:rgba(232,241,246,.22);color:var(--ink);}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand-lite);transform:translateY(-1px);}
.btn-sm{height:38px;padding:0 18px;font-size:13.5px;}
.btn:active{transform:translateY(0) scale(.99);}

/* ===== 通用板块 ===== */
.section{padding:44px 0;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px;flex-wrap:wrap;}
.sec-title{position:relative;padding-left:16px;}
.sec-title::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:4px;height:22px;border-radius:2px;background:var(--brand);
}
.sec-sub{font-size:14px;color:var(--ink-3);margin:6px 0 0;}

/* ===== 面包屑 ===== */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);margin-bottom:22px;}
.crumb li{display:flex;align-items:center;gap:8px;}
.crumb li::after{content:"/";color:rgba(255,255,255,.18);}
.crumb li:last-child::after{content:"";}
.crumb a{color:var(--ink-2);}
.crumb a:hover{color:var(--brand);}
.crumb .now{color:var(--ink);}

/* ===== 页头 ===== */
.page-hero{padding:12px 0 8px;}
.hero-grid{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:36px;align-items:center;}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 14px;margin-bottom:18px;
  border-radius:var(--pill);font-size:12px;letter-spacing:1px;
  color:var(--brand);background:rgba(18,226,176,.12);border:1px solid rgba(18,226,176,.32);
}
.hero-sub{font-size:16px;color:var(--ink-2);margin:16px 0 0;max-width:560px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.stat-row{display:flex;flex-wrap:wrap;gap:28px;margin-top:30px;padding-top:22px;border-top:1px solid var(--line);}
.stat-item .num{font-family:var(--font-num);font-size:26px;font-weight:700;color:var(--ink);letter-spacing:.5px;line-height:1.2;}
.stat-item .num em{font-style:normal;font-size:14px;color:var(--ink-3);margin-left:4px;font-family:var(--font-cn);font-weight:400;}
.stat-item .lbl{font-size:12.5px;color:var(--ink-3);letter-spacing:.5px;}
.hero-figure{position:relative;border-radius:var(--r20);overflow:hidden;border:1px solid rgba(255,255,255,.1);box-shadow:var(--sh);}
.hero-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.hero-figure::after{
  content:"";position:absolute;inset:auto 0 0 0;height:52%;
  background:linear-gradient(to top,rgba(6,12,20,.92),rgba(6,12,20,0));
}
.hero-figure .fig-tag{
  position:absolute;left:16px;bottom:16px;z-index:2;
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:var(--pill);
  font-size:12px;color:var(--brand);background:rgba(18,226,176,.14);border:1px solid rgba(18,226,176,.36);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
}

/* ===== 左右布局 ===== */
.entry-layout{display:grid;grid-template-columns:248px minmax(0,1fr);gap:40px;align-items:start;padding:34px 0 8px;}
.anchor-nav{
  position:sticky;top:92px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r16);
  padding:18px 14px;box-shadow:var(--sh);
}
.anchor-nav h3{font-size:13px;color:var(--ink-3);letter-spacing:1.5px;margin:0 0 12px;padding-left:10px;font-weight:600;}
.anchor-nav a{
  display:block;padding:9px 12px;border-radius:var(--r8);font-size:14px;color:var(--ink-2);
  border-left:2px solid transparent;transition:all .18s ease;
}
.anchor-nav a:hover{color:var(--ink);background:rgba(255,255,255,.04);}
.anchor-nav a.is-current{color:var(--brand);background:rgba(18,226,176,.10);border-left-color:var(--brand);}
.anchor-note{
  margin-top:14px;padding:12px 12px 4px;border-top:1px solid var(--line);
  font-size:12.5px;color:var(--ink-3);line-height:1.7;
}
.entry-main{min-width:0;}
.block{margin-bottom:52px;scroll-margin-top:100px;}
.block:last-child{margin-bottom:0;}
.block-lead{font-size:15px;color:var(--ink-2);margin:10px 0 22px;max-width:720px;}

/* ===== 参数卡 ===== */
.param-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;}
.param-card{
  position:relative;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r16);padding:20px 20px 18px;
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.param-card:hover{transform:translateY(-2px);border-color:var(--glass-line);box-shadow:var(--sh);}
.param-flag{
  position:absolute;top:14px;right:14px;height:22px;padding:0 10px;border-radius:var(--pill);
  display:inline-flex;align-items:center;font-size:11px;letter-spacing:.5px;
  color:var(--accent);background:rgba(255,180,58,.12);border:1px solid rgba(255,180,58,.34);
}
.param-key{font-size:13px;color:var(--ink-3);margin:0 0 8px;letter-spacing:.5px;}
.param-val{font-family:var(--font-num);font-size:21px;font-weight:700;color:var(--ink);margin:0;letter-spacing:.5px;line-height:1.35;}
.param-val span{font-family:var(--font-cn);font-size:13px;font-weight:400;color:var(--ink-3);margin-left:4px;}
.param-note{font-size:13px;color:var(--ink-3);margin:10px 0 0;line-height:1.7;}

/* ===== 数据表 ===== */
.table-wrap{border:1px solid var(--line);border-radius:var(--r16);overflow:hidden;background:var(--surface);}
.table-wrap .table-scroll{overflow-x:auto;}
table.spec{width:100%;border-collapse:collapse;font-size:14px;min-width:560px;}
table.spec th{
  text-align:left;padding:14px 18px;font-size:12.5px;letter-spacing:1px;font-weight:600;
  color:var(--ink-3);background:rgba(255,255,255,.035);border-bottom:1px solid var(--line);white-space:nowrap;
}
table.spec td{padding:15px 18px;border-bottom:1px solid var(--line);color:var(--ink-2);vertical-align:top;}
table.spec tr:last-child td{border-bottom:0;}
table.spec tbody tr:hover td{background:rgba(18,226,176,.04);}
table.spec td strong{color:var(--ink);font-weight:700;font-family:var(--font-num);letter-spacing:.5px;font-size:15px;}
.tb-badge{
  display:inline-flex;align-items:center;height:24px;padding:0 11px;border-radius:var(--pill);
  font-size:12px;color:var(--brand);background:rgba(18,226,176,.12);border:1px solid rgba(18,226,176,.3);
}

/* ===== 步骤 ===== */
.steps{display:grid;gap:14px;}
.step{
  display:grid;grid-template-columns:64px minmax(0,1fr);gap:20px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r16);
  padding:20px 22px;transition:border-color .2s ease,transform .2s ease;
}
.step:hover{border-color:var(--glass-line);transform:translateY(-2px);}
.step-no{
  font-family:var(--font-num);font-size:28px;font-weight:700;line-height:1;
  color:var(--brand);letter-spacing:.5px;padding-top:2px;
}
.step-no small{display:block;font-family:var(--font-cn);font-size:11.5px;color:var(--ink-3);margin-top:8px;letter-spacing:1px;font-weight:400;}
.step h3{font-size:17px;margin-bottom:6px;}
.step p{font-size:14.5px;color:var(--ink-2);margin:0;}

/* ===== 清单 ===== */
.gear-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:20px;}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--r16);padding:22px 24px;}
.panel h3{font-size:16px;margin-bottom:14px;display:flex;align-items:center;gap:10px;}
.panel h3::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand);box-shadow:0 0 10px rgba(18,226,176,.8);}
.check-list li{
  position:relative;padding:9px 0 9px 26px;font-size:14.5px;color:var(--ink-2);
  border-bottom:1px dashed rgba(255,255,255,.07);
}
.check-list li:last-child{border-bottom:0;}
.check-list li::before{
  content:"";position:absolute;left:4px;top:19px;width:7px;height:7px;border-radius:2px;
  background:var(--brand);opacity:.9;
}
.check-list li b{color:var(--ink);font-weight:600;}
.fee-row{display:flex;justify-content:space-between;align-items:center;padding:12px 0;border-bottom:1px dashed rgba(255,255,255,.07);font-size:14.5px;}
.fee-row:last-child{border-bottom:0;}
.fee-row span{color:var(--ink-2);}
.fee-row b{font-family:var(--font-num);color:var(--ink);font-size:17px;letter-spacing:.5px;}

/* ===== FAQ ===== */
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r16);
  margin-bottom:12px;overflow:hidden;transition:border-color .2s ease;
}
.faq-item:hover{border-color:var(--glass-line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:17px 20px;background:none;border:0;color:var(--ink);
  font-size:16px;font-weight:500;text-align:left;cursor:pointer;line-height:1.6;
}
.faq-icon{
  flex:0 0 auto;width:28px;height:28px;border-radius:50%;display:grid;place-items:center;
  border:1px solid var(--line);color:var(--ink-3);font-size:13px;
  transition:transform .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
}
.faq-item.is-open .faq-icon{transform:rotate(180deg);background:rgba(18,226,176,.12);color:var(--brand);border-color:rgba(18,226,176,.4);}
.faq-a{display:none;padding:0 20px 20px 20px;}
.faq-item.is-open .faq-a{display:block;}
.faq-a p{
  margin:0;padding-left:16px;border-left:3px solid var(--brand);
  font-size:15px;color:var(--ink-2);line-height:1.8;
}

/* ===== 底部 CTA ===== */
.cta-bar{
  display:flex;align-items:center;justify-content:space-between;gap:26px;flex-wrap:wrap;
  margin-top:12px;padding:30px 34px;border-radius:var(--r20);
  background:var(--glass);border:1px solid var(--glass-line);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  box-shadow:var(--sh);
}
.cta-bar h3{font-size:clamp(19px,2.2vw,23px);margin-bottom:6px;}
.cta-bar p{margin:0;font-size:14px;color:var(--ink-2);}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ===== 页脚 ===== */
.site-footer{background:var(--bg-1);border-top:1px solid var(--line);margin-top:64px;padding:56px 0 0;}
.footer-brand p{font-size:14px;color:var(--ink-2);margin:16px 0 0;max-width:340px;line-height:1.8;}
.social-row{display:flex;gap:10px;}
.social-row a{
  width:36px;height:36px;border-radius:50%;display:grid;place-items:center;
  border:1px solid var(--line);color:var(--ink-2);font-size:14px;
  transition:all .2s ease;
}
.social-row a:hover{color:var(--brand);border-color:rgba(18,226,176,.45);background:rgba(18,226,176,.08);}
.footer-col h4{
  font-size:14px;font-weight:600;color:var(--ink);margin:0 0 16px;position:relative;padding-bottom:10px;
}
.footer-col h4::after{content:"";position:absolute;left:0;bottom:0;width:20px;height:2px;border-radius:2px;background:var(--brand);}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul a{font-size:14px;color:var(--ink-2);display:inline-block;transition:transform .18s ease,color .18s ease;}
.footer-col ul a:hover{color:var(--ink);transform:translateX(-2px);}
.footer-contact li{font-size:13.5px;color:var(--ink-2);margin-bottom:10px;}
.footer-contact li span{display:block;font-size:12px;color:var(--ink-3);letter-spacing:.5px;}
.footer-contact li a{color:var(--brand);}
.footer-contact li a:hover{color:var(--brand-lite);}
.footer-bottom{
  margin-top:44px;padding:20px 0;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:var(--ink-3);
}

/* ===== 响应式 ===== */
@media (max-width:1199.98px){
  .entry-layout{grid-template-columns:220px minmax(0,1fr);gap:28px;}
  .hero-grid{grid-template-columns:minmax(0,1fr) 320px;gap:26px;}
}
@media (max-width:991.98px){
  body{padding-top:88px;}
  .nav-toggle{display:block;margin-left:auto;}
  .nav-cta{display:none;}
  .nav-links{
    position:absolute;left:0;right:0;top:calc(100% + 12px);
    flex-direction:column;align-items:stretch;gap:0;
    padding:8px;border-radius:var(--r20);
    background:rgba(10,20,32,.96);border:1px solid var(--glass-line);
    -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
    box-shadow:0 24px 50px rgba(0,0,0,.55);
    display:none;
  }
  .nav-links.is-open{display:flex;animation:dropIn .18s ease;}
  .nav-links a{height:48px;display:flex;align-items:center;border-radius:var(--r12);padding:0 16px;font-size:14.5px;border-bottom:1px solid var(--line);}
  .nav-links li:last-child a{border-bottom:0;}
  .nav-links a.is-active::after{display:none;}
  .nav-pill{position:relative;}
  .hero-grid{grid-template-columns:1fr;}
  .hero-figure{order:-1;}
  .hero-figure img{aspect-ratio:16/10;}
  .entry-layout{grid-template-columns:1fr;gap:26px;}
  .anchor-nav{position:static;padding:12px;top:auto;}
  .anchor-nav h3{padding-left:6px;margin-bottom:10px;}
  .anchor-nav .anchor-list{display:flex;gap:8px;overflow-x:auto;padding-bottom:4px;}
  .anchor-nav a{white-space:nowrap;border-left:0;border:1px solid var(--line);border-radius:var(--pill);padding:7px 14px;font-size:13px;}
  .anchor-nav a.is-current{border-color:rgba(18,226,176,.45);}
  .anchor-note{display:none;}
  .gear-grid{grid-template-columns:1fr;}
  .section{padding:34px 0;}
}
@keyframes dropIn{from{opacity:0;transform:translateY(-6px);}to{opacity:1;transform:translateY(0);}}
@media (max-width:767.98px){
  body{padding-top:84px;font-size:15.5px;}
  .brand{font-size:16.5px;}
  .stat-row{gap:20px;}
  .stat-item .num{font-size:22px;}
  .param-grid{grid-template-columns:1fr;}
  .step{grid-template-columns:1fr;gap:10px;}
  .step-no{font-size:24px;display:flex;align-items:baseline;gap:8px;}
  .step-no small{margin-top:0;}
  .cta-bar{padding:24px 22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 100%;}
  .footer-bottom{flex-direction:column;}
  .site-footer{padding-top:44px;}
}
@media (max-width:575.98px){
  .hero-actions .btn{width:100%;}
  .param-val{font-size:19px;}
  .faq-q{font-size:15px;padding:15px 16px;}
  .faq-a{padding:0 16px 18px;}
  .panel{padding:18px;}
}

/* roulang page: category4 */
:root{
  --bg-0:#060C14;
  --bg-1:#0A1420;
  --surface:#101E2C;
  --glass:rgba(16,30,44,.55);
  --glass-line:rgba(120,220,210,.16);
  --brand:#12E2B0;
  --brand-lite:#7FF3D6;
  --accent:#FFB43A;
  --warn:#FF5C4D;
  --ink:#E8F1F6;
  --ink-2:#A6B8C6;
  --ink-3:#71869A;
  --line:rgba(255,255,255,.08);
  --r-8:8px;
  --r-12:12px;
  --r-16:16px;
  --r-20:20px;
  --r-pill:999px;
  --sh:0 18px 40px rgba(0,0,0,.45);
  --glow:0 0 0 1px rgba(18,226,176,.45), 0 10px 30px -8px rgba(18,226,176,.45);
  --font-cn:"HarmonyOS Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --font-num:"DIN Alternate","Barlow Condensed",ui-monospace,SFMono-Regular,Menlo,monospace;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--ink);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background:
    radial-gradient(680px 420px at 88% 4%, rgba(18,226,176,.16), transparent 70%),
    radial-gradient(620px 420px at 2% 94%, rgba(255,180,58,.10), transparent 72%);
}
main,.site-footer,.site-head{position:relative;z-index:1;}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;transition:color .18s ease,background-color .18s ease,border-color .18s ease,transform .18s ease;}
h1,h2,h3,h4,h5,h6{margin:0;font-weight:700;line-height:1.28;letter-spacing:.2px;}
p{margin:0 0 16px;color:var(--ink-2);}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--brand);
  outline-offset:2px;
  border-radius:6px;
}

.container{
  max-width:1200px;
  padding-left:20px;
  padding-right:20px;
}

/* ---------- 按钮 ---------- */
.btn{
  --bs-btn-focus-box-shadow:none;
  --bs-btn-active-shadow:none;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:48px;
  padding:0 26px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:600;
  line-height:1;
  border:1px solid transparent;
  transition:transform .18s ease,box-shadow .2s ease,filter .2s ease,border-color .2s ease,color .2s ease;
}
.btn-brand{
  background:linear-gradient(135deg,var(--brand),var(--brand-lite));
  color:#04241C;
  border-color:transparent;
  font-weight:700;
  box-shadow:0 10px 26px -14px rgba(18,226,176,.9);
}
.btn-brand:hover,.btn-brand:focus-visible{
  color:#04241C;
  filter:brightness(1.08);
  transform:translateY(-1px);
  box-shadow:var(--glow);
}
.btn-brand:active{transform:translateY(0);}
.btn-ghost{
  background:transparent;
  color:var(--ink);
  border-color:rgba(232,241,246,.22);
}
.btn-ghost:hover,.btn-ghost:focus-visible{
  color:var(--brand-lite);
  border-color:var(--brand);
  transform:translateY(-1px);
  background:rgba(18,226,176,.06);
}
.btn-sm{
  min-height:38px;
  padding:0 18px;
  font-size:13px;
}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--brand-lite);
  white-space:nowrap;
}
.link-arrow::after{content:"→";transition:transform .18s ease;}
.link-arrow:hover{color:var(--brand);}
.link-arrow:hover::after{transform:translateX(3px);}

/* ---------- 悬浮胶囊导航 ---------- */
.site-head{
  position:fixed;
  top:16px;
  left:0;
  right:0;
  z-index:1000;
  display:flex;
  justify-content:center;
  padding:0 4%;
}
.nav-pill{
  position:relative;
  display:flex;
  align-items:center;
  gap:16px;
  width:100%;
  max-width:1160px;
  height:64px;
  padding:0 14px 0 20px;
  border-radius:var(--r-pill);
  background:var(--glass);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:1px solid var(--glass-line);
  box-shadow:0 14px 34px rgba(0,0,0,.38);
  transition:height .22s ease,background-color .22s ease,box-shadow .22s ease;
}
.site-head.is-scrolled .nav-pill{
  height:56px;
  background:rgba(10,20,32,.9);
  box-shadow:0 18px 40px rgba(0,0,0,.55);
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:18px;
  font-weight:700;
  color:var(--ink);
  letter-spacing:.5px;
  white-space:nowrap;
}
.brand:hover{color:var(--brand-lite);}
.brand-mark{
  position:relative;
  width:26px;
  height:26px;
  border-radius:8px;
  background:conic-gradient(from 210deg,var(--brand),var(--brand-lite) 45%,var(--accent));
  box-shadow:0 0 0 1px rgba(18,226,176,.45),0 0 18px -4px rgba(18,226,176,.8);
  flex:0 0 auto;
}
.brand-mark::after{
  content:"";
  position:absolute;
  inset:6px;
  border-radius:4px;
  background:var(--bg-0);
}
.nav-links{
  display:flex;
  align-items:center;
  gap:4px;
  margin:0 auto;
  list-style:none;
}
.nav-links a{
  display:block;
  padding:8px 12px;
  border-radius:var(--r-pill);
  font-size:14px;
  color:var(--ink-2);
  white-space:nowrap;
}
.nav-links a:hover{
  color:var(--ink);
  background:rgba(255,255,255,.06);
}
.nav-links a.is-active{
  color:var(--brand);
  font-weight:600;
}
.nav-links a.is-active::after{
  content:"";
  display:block;
  width:18px;
  height:2px;
  margin:5px auto 0;
  border-radius:2px;
  background:var(--brand);
}
.nav-cta{flex:0 0 auto;}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  border-radius:50%;
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  align-items:center;
  justify-content:center;
  flex:0 0 auto;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after{
  display:block;
  width:17px;
  height:2px;
  border-radius:2px;
  background:var(--ink);
  transition:transform .2s ease,opacity .2s ease;
}
.nav-toggle span::before,
.nav-toggle span::after{content:"";position:relative;}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:4px;}
.nav-toggle[aria-expanded="true"] span{background:transparent;}
.nav-toggle[aria-expanded="true"] span::before{top:0;transform:rotate(45deg);background:var(--brand);}
.nav-toggle[aria-expanded="true"] span::after{top:-2px;transform:rotate(-45deg);background:var(--brand);}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0;}
.section-tight{padding:56px 0;}
.section-alt{
  background:linear-gradient(180deg,rgba(10,20,32,.9),rgba(6,12,20,.5));
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:28px;
  padding:0 14px;
  margin-bottom:18px;
  border-radius:var(--r-pill);
  font-size:12px;
  letter-spacing:.6px;
  color:var(--brand);
  background:rgba(18,226,176,.1);
  border:1px solid rgba(18,226,176,.26);
}
.eyebrow::before{
  content:"";
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--brand);
  box-shadow:0 0 10px var(--brand);
}
.sec-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
  margin-bottom:36px;
}
.sec-head h2{
  font-size:clamp(22px,2.6vw,30px);
  color:var(--ink);
}
.sec-head p{
  margin-top:10px;
  max-width:620px;
  font-size:15px;
  color:var(--ink-3);
}

/* ---------- 页头 ---------- */
.page-hero{
  position:relative;
  padding:150px 0 64px;
  overflow:hidden;
}
.page-hero::after{
  content:"";
  position:absolute;
  inset:auto 0 0 0;
  height:1px;
  background:linear-gradient(90deg,transparent,var(--glass-line),transparent);
}
.crumb{
  display:flex;
  align-items:center;
  gap:8px;
  flex-wrap:wrap;
  font-size:13px;
  color:var(--ink-3);
  margin-bottom:22px;
}
.crumb a{color:var(--ink-2);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:var(--ink-3);opacity:.7;}
.crumb [aria-current="page"]{color:var(--ink);}
.page-hero h1{
  font-size:clamp(30px,4.2vw,46px);
  line-height:1.25;
  margin-bottom:18px;
}
.page-hero h1 em{
  font-style:normal;
  color:var(--brand);
}
.hero-sub{
  font-size:16px;
  color:var(--ink-2);
  max-width:560px;
  margin-bottom:26px;
}
.hero-actions{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
}
.hero-figure{
  position:relative;
  margin:0;
  border-radius:var(--r-20);
  overflow:hidden;
  border:1px solid rgba(255,255,255,.1);
  box-shadow:var(--sh);
}
.hero-figure img{
  width:100%;
  aspect-ratio:16/11;
  object-fit:cover;
  border-radius:0;
}
.hero-figure figcaption{
  position:absolute;
  left:0;
  right:0;
  bottom:0;
  padding:34px 18px 14px;
  font-size:13px;
  color:var(--ink-2);
  background:linear-gradient(180deg,transparent,rgba(6,12,20,.92));
}
.stat-strip{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:1px;
  margin-top:44px;
  background:var(--line);
  border:1px solid var(--line);
  border-radius:var(--r-16);
  overflow:hidden;
}
.stat{
  padding:18px 20px;
  background:rgba(16,30,44,.78);
}
.stat b{
  display:block;
  font-family:var(--font-num);
  font-size:26px;
  line-height:1.2;
  letter-spacing:.5px;
  color:var(--ink);
}
.stat b i{font-style:normal;font-size:14px;color:var(--ink-3);margin-left:3px;}
.stat span{
  display:block;
  margin-top:2px;
  font-size:13px;
  color:var(--ink-3);
}

/* ---------- 标签云 ---------- */
.tag-cloud{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:34px;
  padding:0 15px;
  border-radius:var(--r-pill);
  font-size:13px;
  color:var(--ink-2);
  background:rgba(255,255,255,.03);
  border:1px solid var(--line);
  transition:transform .18s ease,color .18s ease,border-color .18s ease,background-color .18s ease;
}
.tag:hover{
  color:var(--brand-lite);
  border-color:rgba(18,226,176,.5);
  background:rgba(18,226,176,.08);
  transform:translateY(-1px);
}
.tag.is-hot{
  color:var(--accent);
  border-color:rgba(255,180,58,.38);
  background:rgba(255,180,58,.08);
}
.tag.is-hot:hover{
  color:var(--accent);
  border-color:rgba(255,180,58,.7);
  background:rgba(255,180,58,.14);
}
.tag-note{
  margin-top:22px;
  font-size:13px;
  color:var(--ink-3);
}

/* ---------- 瀑布流卡片 ---------- */
.masonry{
  column-count:2;
  column-gap:22px;
}
.m-card{
  position:relative;
  display:block;
  break-inside:avoid;
  margin:0 0 22px;
  padding:16px;
  border-radius:var(--r-16);
  background:var(--surface);
  border:1px solid var(--line);
  box-shadow:var(--sh);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.m-card:hover{
  transform:translateY(-2px);
  border-color:var(--glass-line);
  box-shadow:0 22px 44px rgba(0,0,0,.5);
}
.m-bar{
  position:absolute;
  top:0;
  left:16px;
  right:16px;
  height:3px;
  border-radius:0 0 3px 3px;
  background:linear-gradient(90deg,var(--brand),rgba(18,226,176,0));
}
.m-card.is-warm .m-bar{background:linear-gradient(90deg,var(--accent),rgba(255,180,58,0));}
.m-img{
  width:100%;
  border-radius:14px;
  border:1px solid rgba(255,255,255,.1);
  object-fit:cover;
}
.m-img.tall{aspect-ratio:4/3;}
.m-img.wide{aspect-ratio:16/10;}
.m-body{padding-top:14px;}
.m-body h3{
  font-size:19px;
  margin:12px 0 10px;
  color:var(--ink);
}
.m-body p{
  font-size:14.5px;
  line-height:1.8;
  color:var(--ink-2);
  margin-bottom:16px;
}
.badge-soft{
  display:inline-flex;
  align-items:center;
  height:24px;
  padding:0 11px;
  border-radius:var(--r-pill);
  font-size:12px;
  font-weight:600;
  letter-spacing:.3px;
  color:var(--brand);
  background:rgba(18,226,176,.12);
  border:1px solid rgba(18,226,176,.28);
}
.badge-time{
  display:inline-flex;
  align-items:center;
  height:24px;
  padding:0 11px;
  border-radius:var(--r-pill);
  font-size:12px;
  font-weight:600;
  color:var(--accent);
  background:rgba(255,180,58,.12);
  border:1px solid rgba(255,180,58,.3);
}
.m-meta{
  display:flex;
  flex-wrap:wrap;
  gap:8px 14px;
  padding-top:14px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--ink-3);
  font-family:var(--font-num);
  letter-spacing:.4px;
}
.m-meta span{display:inline-flex;align-items:center;gap:6px;}
.m-meta span::before{
  content:"";
  width:5px;
  height:5px;
  border-radius:50%;
  background:var(--brand);
  opacity:.8;
}
.m-meta span:last-child::before{background:var(--accent);}

/* ---------- 流程 ---------- */
.flow-list{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:0;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.flow-item{
  position:relative;
  padding:28px 24px 30px;
  border-left:1px solid var(--line);
}
.flow-item:first-child{border-left:0;}
.flow-item b{
  display:block;
  font-family:var(--font-num);
  font-size:34px;
  line-height:1;
  letter-spacing:1px;
  color:rgba(18,226,176,.55);
  margin-bottom:14px;
}
.flow-item h3{
  font-size:17px;
  margin-bottom:8px;
}
.flow-item p{
  font-size:14px;
  line-height:1.8;
  color:var(--ink-3);
  margin:0;
}

/* ---------- FAQ ---------- */
.faq-wrap{
  align-items:flex-start;
}
.faq-side h2{
  font-size:clamp(22px,2.6vw,30px);
  margin-bottom:14px;
}
.faq-side p{
  font-size:14.5px;
  color:var(--ink-3);
  max-width:320px;
}
.accordion{
  --bs-accordion-bg:transparent;
  --bs-accordion-border-width:0;
  --bs-accordion-btn-focus-box-shadow:none;
}
.accordion-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-12);
  margin-bottom:12px;
  overflow:hidden;
}
.accordion-button{
  background:transparent;
  color:var(--ink);
  font-size:16px;
  font-weight:500;
  line-height:1.6;
  padding:18px 20px;
  box-shadow:none;
}
.accordion-button:not(.collapsed){
  color:var(--brand-lite);
  background:rgba(18,226,176,.06);
  box-shadow:none;
}
.accordion-button::after{
  content:"＋";
  display:flex;
  align-items:center;
  justify-content:center;
  width:28px;
  height:28px;
  flex:0 0 28px;
  margin-left:14px;
  border-radius:50%;
  font-size:14px;
  color:var(--ink-2);
  background:rgba(255,255,255,.06);
  background-image:none;
  transition:transform .2s ease,background-color .2s ease,color .2s ease;
}
.accordion-button:not(.collapsed)::after{
  content:"－";
  transform:rotate(180deg);
  color:var(--brand);
  background:rgba(18,226,176,.14);
}
.accordion-body{
  position:relative;
  padding:14px 20px 20px 20px;
  font-size:15px;
  line-height:1.8;
  color:var(--ink-2);
  border-left:3px solid var(--brand);
  margin-left:20px;
  padding-left:16px;
}

/* ---------- CTA 条 ---------- */
.cta-band{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
  padding:32px 36px;
  border-radius:var(--r-20);
  background:var(--glass);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:1px solid var(--glass-line);
  box-shadow:var(--sh);
}
.cta-band h2{
  font-size:clamp(20px,2.2vw,26px);
  margin-bottom:8px;
}
.cta-band p{
  font-size:14.5px;
  color:var(--ink-2);
  margin:0;
}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:24px;
  padding:72px 0 0;
  background:var(--bg-1);
  border-top:1px solid var(--line);
}
.footer-brand p{
  margin-top:16px;
  max-width:340px;
  font-size:14px;
  line-height:1.85;
  color:var(--ink-2);
}
.social-row{
  display:flex;
  gap:10px;
}
.social-row a{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:36px;
  height:36px;
  border-radius:50%;
  font-size:14px;
  color:var(--ink-2);
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
}
.social-row a:hover{
  color:var(--brand);
  border-color:rgba(18,226,176,.5);
  transform:translateY(-2px);
}
.footer-col h4{
  position:relative;
  font-size:14px;
  font-weight:600;
  color:var(--ink);
  padding-bottom:12px;
  margin-bottom:16px;
}
.footer-col h4::after{
  content:"";
  position:absolute;
  left:0;
  bottom:0;
  width:24px;
  height:2px;
  border-radius:2px;
  background:var(--brand);
}
.footer-col ul{list-style:none;}
.footer-col li{margin-bottom:10px;}
.footer-col a{
  display:inline-block;
  font-size:14px;
  color:var(--ink-2);
}
.footer-col a:hover{
  color:var(--ink);
  transform:translateX(-2px);
}
.footer-contact li{
  display:flex;
  gap:10px;
  font-size:14px;
  color:var(--ink-2);
  font-family:var(--font-num);
  letter-spacing:.3px;
}
.footer-contact span{
  flex:0 0 64px;
  color:var(--ink-3);
  font-family:var(--font-cn);
  letter-spacing:0;
}
.footer-contact a{color:var(--brand-lite);}
.footer-bottom{
  display:flex;
  justify-content:space-between;
  gap:12px;
  flex-wrap:wrap;
  margin-top:56px;
  padding:20px 0;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--ink-3);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .nav-links a{padding:8px 10px;font-size:13.5px;}
}
@media (max-width:991.98px){
  .section{padding:64px 0;}
  .section-tight{padding:44px 0;}
  .page-hero{padding-top:132px;}
  .nav-pill{gap:10px;padding-right:12px;}
  .nav-links{
    position:absolute;
    top:calc(100% + 10px);
    left:0;
    right:0;
    display:none;
    flex-direction:column;
    align-items:stretch;
    gap:2px;
    margin:0;
    padding:10px;
    background:rgba(10,20,32,.97);
    -webkit-backdrop-filter:blur(14px);
    backdrop-filter:blur(14px);
    border:1px solid var(--glass-line);
    border-radius:var(--r-20);
    box-shadow:0 22px 44px rgba(0,0,0,.55);
    animation:navDrop .18s ease;
  }
  .nav-links.is-open{display:flex;}
  .nav-links li + li{border-top:1px solid var(--line);}
  .nav-links a{
    display:flex;
    align-items:center;
    height:48px;
    padding:0 14px;
    border-radius:var(--r-12);
    font-size:14px;
  }
  .nav-links a.is-active::after{display:none;}
  .nav-cta{display:none;}
  .nav-toggle{display:inline-flex;}
  .flow-list{grid-template-columns:repeat(2,1fr);}
  .flow-item:nth-child(odd){border-left:0;}
  .flow-item:nth-child(n+3){border-top:1px solid var(--line);}
  .stat-strip{grid-template-columns:repeat(2,1fr);}
  .faq-side{margin-bottom:28px;}
}
@keyframes navDrop{
  from{opacity:0;transform:translateY(-6px);}
  to{opacity:1;transform:translateY(0);}
}
@media (max-width:767.98px){
  body{font-size:15.5px;}
  .section{padding:44px 0;}
  .section-tight{padding:36px 0;}
  .page-hero{padding:120px 0 44px;}
  .hero-figure img{aspect-ratio:16/10;}
  .masonry{column-count:1;}
  .cta-band{padding:24px 20px;border-radius:var(--r-16);}
  .cta-band .btn{width:100%;}
  .hero-actions .btn{flex:1 1 160px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;margin-top:36px;}
  .site-footer{padding-top:52px;}
}
@media (max-width:575.98px){
  .container{padding-left:16px;padding-right:16px;}
  .nav-pill{height:58px;padding:0 10px 0 14px;gap:8px;}
  .site-head{top:10px;padding:0 3%;}
  .brand{font-size:16px;}
  .brand-mark{width:22px;height:22px;}
  .brand-mark::after{inset:5px;}
  .stat b{font-size:22px;}
  .flow-list{grid-template-columns:1fr;}
  .flow-item{border-left:0;border-top:1px solid var(--line);padding:22px 4px;}
  .flow-item:first-child{border-top:0;}
  .tag{height:32px;font-size:12.5px;padding:0 12px;}
}

/* roulang page: category5 */
:root{
  --bg-0:#060C14;
  --bg-1:#0A1420;
  --surface:#101E2C;
  --glass:rgba(16,30,44,.55);
  --glass-line:rgba(120,220,210,.16);
  --brand:#12E2B0;
  --brand-lite:#7FF3D6;
  --accent:#FFB43A;
  --warn:#FF5C4D;
  --ink:#E8F1F6;
  --ink-2:#A6B8C6;
  --ink-3:#71869A;
  --line:rgba(255,255,255,.08);
  --r-1:8px;--r-2:12px;--r-3:16px;--r-4:20px;--r-pill:999px;
  --sh:0 18px 40px rgba(0,0,0,.45);
  --glow:0 0 0 1px rgba(18,226,176,.45),0 10px 30px -8px rgba(18,226,176,.45);
  --mono:"DIN Alternate","Barlow Condensed",ui-monospace,"SFMono-Regular",Menlo,monospace;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--ink);
  font-family:"HarmonyOS Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  text-align:left;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  background-image:
    radial-gradient(760px 520px at 92% -6%,rgba(18,226,176,.20),transparent 62%),
    radial-gradient(680px 480px at -8% 82%,rgba(255,180,58,.12),transparent 66%);
  background-repeat:no-repeat;
  background-attachment:fixed;
}
img{max-width:100%;display:block;}
a{color:var(--brand-lite);text-decoration:none;transition:color .2s ease,transform .2s ease;}
a:hover{color:var(--brand);}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.container{max-width:1200px;padding-left:20px;padding-right:20px;}
.section{padding:88px 0;}
.section-sm{padding:64px 0;}
h1{font-size:clamp(30px,4.2vw,46px);line-height:1.25;font-weight:700;letter-spacing:.2px;}
h2{font-size:clamp(22px,2.6vw,30px);line-height:1.35;font-weight:700;}
h3{font-size:19px;line-height:1.5;font-weight:600;}
p{color:var(--ink-2);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--brand);font-weight:600;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--brand);border-radius:2px;}
.lead{font-size:16.5px;color:var(--ink-2);max-width:60ch;}

/* ---------- 悬浮胶囊导航 ---------- */
.site-head{
  position:fixed;top:16px;left:0;right:0;z-index:1000;
  display:flex;justify-content:center;
  padding:0 16px;
  transition:top .25s ease;
}
.nav-pill{
  width:100%;max-width:1160px;height:64px;
  display:flex;align-items:center;gap:18px;
  padding:0 14px 0 20px;
  border-radius:var(--r-pill);
  background:var(--glass);
  border:1px solid var(--glass-line);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:0 12px 34px rgba(0,0,0,.38);
  transition:height .25s ease,background .25s ease,box-shadow .25s ease;
}
.site-head.is-scrolled .nav-pill{
  height:56px;
  background:rgba(10,20,32,.86);
  box-shadow:0 16px 42px rgba(0,0,0,.55);
}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-size:18px;font-weight:700;color:var(--ink);
  letter-spacing:.5px;white-space:nowrap;
}
.brand:hover{color:var(--brand-lite);}
.brand-mark{
  width:26px;height:26px;border-radius:8px;
  background:linear-gradient(140deg,var(--brand),var(--brand-lite) 55%,rgba(255,180,58,.9));
  box-shadow:0 0 0 1px rgba(18,226,176,.45),0 8px 20px -8px rgba(18,226,176,.7);
  position:relative;flex:0 0 26px;
}
.brand-mark::after{
  content:"";position:absolute;inset:7px;border-radius:4px;
  background:var(--bg-0);opacity:.72;
}
.nav-links{
  display:flex;align-items:center;gap:6px;
  margin-left:auto;
}
.nav-links li{list-style:none;}
.nav-links a{
  display:inline-block;
  padding:8px 12px;
  font-size:14px;color:var(--ink-2);
  border-radius:var(--r-pill);
  position:relative;
  transition:color .2s ease,background .2s ease;
}
.nav-links a:hover{color:var(--ink);background:rgba(255,255,255,.05);}
.nav-links a.is-active{color:var(--brand);font-weight:600;}
.nav-links a.is-active::after{
  content:"";position:absolute;left:50%;transform:translateX(-50%);
  bottom:2px;width:18px;height:2px;border-radius:2px;background:var(--brand);
}
.nav-cta{margin-left:6px;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  background:rgba(255,255,255,.05);border:1px solid var(--line);
  position:relative;cursor:pointer;flex:0 0 42px;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after{
  position:absolute;left:50%;top:50%;
  width:18px;height:2px;border-radius:2px;background:var(--ink);
  transform:translate(-50%,-50%);transition:.2s ease;content:"";
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;border:1px solid transparent;
  cursor:pointer;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn-brand{
  background:linear-gradient(120deg,var(--brand),var(--brand-lite));
  color:#04241C;
  box-shadow:var(--glow);
}
.btn-brand:hover{color:#04241C;filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 0 0 1px rgba(18,226,176,.6),0 16px 34px -10px rgba(18,226,176,.65);}
.btn-brand:active{transform:translateY(0);filter:brightness(.96);}
.btn-ghost{
  background:transparent;color:var(--ink);
  border-color:rgba(232,241,246,.22);
}
.btn-ghost:hover{color:var(--brand-lite);border-color:var(--brand);transform:translateY(-1px);}
.btn-sm{height:40px;padding:0 18px;font-size:13.5px;}
.btn-block{width:100%;}
.link-more{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14.5px;font-weight:600;color:var(--brand);
  background:none;border:0;padding:0;cursor:pointer;
}
.link-more i{transition:transform .2s ease;font-size:12px;}
.link-more:hover i{transform:translateX(3px);}

/* ---------- 徽章 / 标签 ---------- */
.badge-tag{
  display:inline-flex;align-items:center;justify-content:center;
  height:24px;padding:0 11px;border-radius:var(--r-pill);
  font-size:12px;line-height:1;font-weight:600;letter-spacing:.3px;
  border:1px solid rgba(18,226,176,.28);
  background:rgba(18,226,176,.12);
  color:var(--brand);
}
.badge-tag.is-amber{
  border-color:rgba(255,180,58,.32);
  background:rgba(255,180,58,.12);
  color:var(--accent);
}
.badge-tag.is-plain{
  border-color:var(--line);
  background:rgba(255,255,255,.04);
  color:var(--ink-2);
}

/* ---------- 页头 ---------- */
.page-hero{
  position:relative;
  padding:150px 0 64px;
  background-image:
    linear-gradient(180deg,rgba(6,12,20,.88),rgba(6,12,20,.96)),
    url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line);
}
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--ink-3);margin-bottom:20px;
}
.crumb a{color:var(--ink-2);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:rgba(255,255,255,.22);}
.crumb .current{color:var(--brand);}
.hero-grid{
  display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center;
}
.page-hero h1{margin:14px 0 16px;}
.page-hero .lead{max-width:56ch;}
.hero-figure{
  position:relative;border-radius:var(--r-4);overflow:hidden;
  border:1px solid rgba(255,255,255,.1);
  box-shadow:var(--sh);
  aspect-ratio:4/3;
  background:linear-gradient(160deg,var(--surface),var(--bg-1));
}
.hero-figure img{width:100%;height:100%;object-fit:cover;}
.hero-figure .fig-badge{
  position:absolute;left:14px;bottom:14px;
  background:rgba(6,12,20,.72);
  border:1px solid var(--glass-line);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  color:var(--ink);
  font-size:12.5px;font-weight:600;
  padding:6px 12px;border-radius:var(--r-pill);
}
.stat-strip{
  display:grid;grid-template-columns:repeat(3,1fr);
  gap:14px;margin-top:30px;
}
.stat-cell{
  background:rgba(16,30,44,.7);
  border:1px solid var(--line);
  border-radius:var(--r-3);
  padding:14px 16px;
}
.stat-cell .num{
  font-family:var(--mono);font-size:24px;font-weight:700;
  color:var(--brand-lite);letter-spacing:.5px;line-height:1.2;
}
.stat-cell .num small{font-size:13px;color:var(--ink-2);margin-left:4px;font-weight:500;}
.stat-cell .lbl{font-size:12.5px;color:var(--ink-3);margin-top:4px;}

/* ---------- 板块标题 ---------- */
.sec-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:20px;flex-wrap:wrap;margin-bottom:34px;
}
.sec-head h2{margin-top:10px;}
.sec-head p{font-size:15px;color:var(--ink-3);margin-top:8px;max-width:56ch;}

/* ---------- 折叠故事列表 ---------- */
.acc-wrap{
  background:linear-gradient(180deg,rgba(16,30,44,.65),rgba(10,20,32,.35));
  border:1px solid var(--line);
  border-radius:var(--r-4);
  padding:26px;
}
.story-acc .accordion-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-3);
  margin-bottom:14px;
  overflow:hidden;
  box-shadow:0 12px 28px rgba(0,0,0,.32);
  transition:border-color .22s ease,transform .22s ease;
}
.story-acc .accordion-item:last-child{margin-bottom:0;}
.story-acc .accordion-item:hover{border-color:var(--glass-line);transform:translateY(-2px);}
.story-acc .accordion-button{
  display:flex;align-items:center;gap:14px;
  width:100%;
  background:transparent;
  color:var(--ink);
  font-size:17px;font-weight:600;line-height:1.5;
  padding:18px 20px;
  border:0;box-shadow:none;
}
.story-acc .accordion-button:not(.collapsed){
  color:var(--brand-lite);
  background:rgba(18,226,176,.06);
}
.story-acc .accordion-button:focus{box-shadow:none;outline:2px solid var(--brand);outline-offset:-2px;}
.story-acc .accordion-button::after{
  content:"+";
  flex:0 0 28px;width:28px;height:28px;margin-left:auto;
  display:flex;align-items:center;justify-content:center;
  font-size:17px;font-weight:600;line-height:1;
  color:var(--brand);
  background:rgba(18,226,176,.12);
  border:1px solid rgba(18,226,176,.3);
  border-radius:50%;
  background-image:none;
  transform:none;
  transition:transform .22s ease,background .22s ease;
}
.story-acc .accordion-button:not(.collapsed)::after{
  content:"−";
  background:rgba(18,226,176,.24);
  transform:rotate(180deg);
}
.story-idx{
  font-family:var(--mono);
  font-size:15px;font-weight:700;letter-spacing:1px;
  color:var(--brand);
  flex:0 0 auto;
  padding-right:12px;
  border-right:1px solid var(--line);
}
.accordion-button:not(.collapsed) .story-idx{color:var(--brand-lite);border-right-color:rgba(18,226,176,.3);}
.story-acc .accordion-body{
  position:relative;
  padding:2px 24px 24px 52px;
  font-size:15.5px;line-height:1.85;color:var(--ink-2);
}
.story-acc .accordion-body::before{
  content:"";position:absolute;left:24px;top:4px;bottom:26px;
  width:3px;border-radius:3px;
  background:linear-gradient(180deg,var(--brand),rgba(18,226,176,.05));
}
.story-acc .accordion-body p{margin-bottom:14px;color:var(--ink-2);}
.story-acc .accordion-body p:last-child{margin-bottom:0;}
.story-meta{
  display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px;
}
.story-img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border-radius:14px;border:1px solid rgba(255,255,255,.1);
  margin:6px 0 16px;
  background:linear-gradient(160deg,var(--surface),var(--bg-1));
}
.story-quote{
  border-left:3px solid var(--brand);
  padding:6px 0 6px 14px;
  font-style:italic;color:var(--ink-3);font-size:14.5px;
  margin:4px 0 14px;
}

/* ---------- 征集条 ---------- */
.invite-bar{
  display:flex;align-items:center;justify-content:space-between;gap:22px;
  flex-wrap:wrap;
  margin-top:26px;
  padding:20px 24px;
  border-radius:var(--r-3);
  background:var(--glass);
  border:1px solid var(--glass-line);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
}
.invite-bar h3{font-size:16.5px;color:var(--ink);}
.invite-bar p{font-size:14px;color:var(--ink-3);margin-top:4px;}
.invite-tags{display:flex;flex-wrap:wrap;gap:8px;}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:.78fr 1.22fr;gap:48px;align-items:start;}
.faq-aside h2{margin:10px 0 12px;}
.faq-aside p{font-size:15px;color:var(--ink-3);max-width:34ch;}
.faq-panel{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-4);
  overflow:hidden;
  box-shadow:var(--sh);
}
.faq-panel .accordion-item{background:transparent;border:0;border-bottom:1px solid var(--line);}
.faq-panel .accordion-item:last-child{border-bottom:0;}
.faq-panel .accordion-button{
  background:transparent;color:var(--ink);
  font-size:16px;font-weight:500;line-height:1.6;
  padding:20px 22px;box-shadow:none;
}
.faq-panel .accordion-button:not(.collapsed){color:var(--brand-lite);background:rgba(18,226,176,.05);}
.faq-panel .accordion-button:focus{box-shadow:none;outline:2px solid var(--brand);outline-offset:-2px;}
.faq-panel .accordion-button::after{
  content:"＋";
  flex:0 0 28px;width:28px;height:28px;margin-left:auto;
  display:flex;align-items:center;justify-content:center;
  font-size:15px;line-height:1;color:var(--brand);
  background:rgba(18,226,176,.12);
  border:1px solid rgba(18,226,176,.28);
  border-radius:50%;background-image:none;transform:none;
  transition:transform .22s ease,background .22s ease;
}
.faq-panel .accordion-button:not(.collapsed)::after{
  content:"－";background:rgba(18,226,176,.24);transform:rotate(180deg);
}
.faq-panel .accordion-body{
  position:relative;
  padding:2px 22px 22px 38px;
  font-size:15px;line-height:1.8;color:var(--ink-2);
}
.faq-panel .accordion-body::before{
  content:"";position:absolute;left:22px;top:4px;bottom:22px;
  width:3px;border-radius:3px;background:var(--brand);
  opacity:.85;
}

/* ---------- 底部 CTA 条 ---------- */
.cta-bar{
  padding:56px 0 72px;
}
.cta-inner{
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  padding:34px 36px;
  border-radius:var(--r-4);
  background:
    radial-gradient(520px 260px at 88% 10%,rgba(18,226,176,.22),transparent 70%),
    radial-gradient(420px 240px at 4% 100%,rgba(255,180,58,.16),transparent 72%),
    var(--glass);
  border:1px solid var(--glass-line);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:var(--sh);
}
.cta-inner h2{font-size:clamp(21px,2.4vw,28px);}
.cta-inner p{font-size:14.5px;color:var(--ink-2);margin-top:8px;max-width:52ch;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--bg-1);
  border-top:1px solid var(--line);
  padding:64px 0 0;
  margin-top:0;
}
.site-footer .brand{font-size:17px;margin-bottom:16px;}
.footer-brand p{font-size:14px;color:var(--ink-3);max-width:36ch;line-height:1.8;}
.footer-col h4{
  font-size:14px;font-weight:600;color:var(--ink);
  padding-bottom:10px;margin-bottom:14px;position:relative;
}
.footer-col h4::after{
  content:"";position:absolute;left:0;bottom:0;width:22px;height:2px;
  background:var(--brand);border-radius:2px;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a,.footer-col li{font-size:14px;color:var(--ink-2);transition:color .2s ease,transform .2s ease;}
.footer-col a:hover{color:var(--ink);transform:translateX(-2px);display:inline-block;}
.footer-contact li{font-size:14px;color:var(--ink-2);display:flex;gap:10px;flex-wrap:wrap;}
.footer-contact span{color:var(--ink-3);min-width:62px;}
.footer-contact a{color:var(--brand);}
.social-row{display:flex;gap:10px;}
.social-row a{
  width:36px;height:36px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);color:var(--ink-2);font-size:14px;
  transition:.2s ease;
}
.social-row a:hover{color:var(--brand);border-color:var(--brand);box-shadow:0 0 0 1px rgba(18,226,176,.35);}
.footer-bottom{
  margin-top:48px;padding:20px 0;
  border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:var(--ink-3);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .nav-links a{padding:8px 9px;font-size:13.5px;}
  .hero-grid{gap:32px;}
}
@media (max-width:991.98px){
  .section{padding:64px 0;}
  .section-sm{padding:52px 0;}
  .nav-toggle{display:block;margin-left:auto;}
  .nav-cta{display:none;}
  .nav-links{
    position:absolute;top:calc(100% + 12px);left:0;right:0;
    display:none;flex-direction:column;align-items:stretch;gap:0;
    background:rgba(10,20,32,.96);
    border:1px solid var(--glass-line);
    border-radius:var(--r-4);
    padding:10px;
    box-shadow:0 22px 46px rgba(0,0,0,.55);
    backdrop-filter:blur(16px);
    -webkit-backdrop-filter:blur(16px);
    margin-left:0;
  }
  .nav-links.open{display:flex;}
  .nav-links a{
    display:block;height:48px;line-height:48px;
    padding:0 16px;font-size:14.5px;border-radius:var(--r-2);
  }
  .nav-links li + li{border-top:1px solid var(--line);}
  .nav-links a.is-active::after{display:none;}
  .nav-links a.is-active{background:rgba(18,226,176,.1);}
  .nav-pill{position:relative;}
  .hero-grid{grid-template-columns:1fr;gap:28px;}
  .page-hero{padding:132px 0 52px;}
  .hero-figure{aspect-ratio:16/10;}
  .faq-grid{grid-template-columns:1fr;gap:26px;}
  .faq-aside p{max-width:none;}
  .acc-wrap{padding:18px;}
  .story-acc .accordion-body{padding-left:36px;}
  .story-acc .accordion-body::before{left:16px;}
}
@media (max-width:767.98px){
  .stat-strip{grid-template-columns:1fr;}
  .cta-inner{padding:26px 22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 100%;}
  .story-acc .accordion-button{font-size:15.5px;padding:16px;}
  .story-acc .accordion-body{padding:2px 16px 20px 30px;font-size:15px;}
  .story-acc .accordion-body::before{left:12px;}
  .story-idx{font-size:13.5px;padding-right:10px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .invite-bar{padding:18px;}
}
@media (max-width:575.98px){
  .container{padding-left:16px;padding-right:16px;}
  .nav-pill{height:58px;padding:0 10px 0 14px;}
  .brand{font-size:16px;}
  .page-hero{padding:118px 0 44px;}
  .section{padding:52px 0;}
  .story-img{aspect-ratio:4/3;}
  .btn{height:46px;padding:0 20px;font-size:14.5px;}
}