/* roulang page: index */
:root{
  --bg-0:#070A0F;--bg-1:#0C111A;--bg-2:#101826;--panel:#0F1622;--panel-2:#141E2E;
  --line:rgba(255,255,255,.08);--line-strong:rgba(0,229,199,.35);
  --text-0:#F2F7FF;--text-1:#B8C4D9;--text-2:#7E8CA3;
  --brand:#00E5C7;--brand-2:#7C5CFF;--accent:#FFB020;--danger:#FF4D6D;--success:#20D68B;
  --radius-s:10px;--radius-m:14px;--radius-l:18px;
  --shadow-1:0 12px 34px rgba(0,0,0,.38);
  --space-1:12px;--space-2:20px;--space-3:32px;--space-4:56px;--space-5:88px;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;padding:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.75;color:var(--text-1);
  background:
    radial-gradient(900px 520px at 12% -6%,rgba(0,229,199,.10),transparent 62%),
    radial-gradient(760px 460px at 92% 4%,rgba(124,92,255,.12),transparent 60%),
    linear-gradient(180deg,var(--bg-0) 0%,var(--bg-1) 42%,var(--bg-2) 100%);
  background-attachment:fixed;
  overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.7),transparent 70%);
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.7),transparent 70%);
  opacity:.5;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--text-1);text-decoration:none;transition:color .22s ease-out;}
a:hover{color:var(--brand);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--text-0);font-weight:800;letter-spacing:-.02em;line-height:1.2;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}
::selection{background:rgba(0,229,199,.28);color:#fff;}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;position:relative;z-index:1;}
.section{padding:var(--space-5) 0;position:relative;z-index:1;}
.section--tight{padding:var(--space-4) 0;}
.section-head{max-width:760px;margin-bottom:var(--space-3);}
.section-head .eyebrow{margin-bottom:10px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.14em;color:var(--brand);
  text-transform:uppercase;font-weight:700;
}
.eyebrow::before{content:"";width:22px;height:2px;background:linear-gradient(90deg,var(--brand),var(--brand-2));display:inline-block;border-radius:2px;}
.section-title{font-size:40px;margin-bottom:14px;}
.section-sub{font-size:16px;color:var(--text-1);line-height:1.8;}
.muted{color:var(--text-2);font-size:13px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(7,10,15,.92);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.site-header::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;
  background:linear-gradient(90deg,rgba(0,229,199,.85),rgba(124,92,255,.75),rgba(0,229,199,.2));
}
.header-inner{height:72px;display:flex;align-items:center;gap:24px;justify-content:space-between;}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  font-size:18px;font-weight:800;color:#03110F;
  background:linear-gradient(135deg,var(--brand),#59f7dd);
  box-shadow:0 0 18px rgba(0,229,199,.38);
}
.logo-text{font-size:17px;font-weight:800;color:var(--text-0);letter-spacing:-.01em;display:flex;align-items:center;gap:6px;}
.logo-badge{
  font-size:11px;font-weight:700;color:var(--brand);
  border:1px solid var(--line-strong);border-radius:6px;padding:2px 6px;
  background:rgba(0,229,199,.08);letter-spacing:.04em;
}
.main-nav{display:flex;align-items:center;gap:4px;flex:1;justify-content:center;}
.nav-link{
  position:relative;padding:9px 12px;font-size:14.5px;font-weight:500;color:var(--text-1);border-radius:8px;white-space:nowrap;
}
.nav-link:hover{color:var(--text-0);background:rgba(255,255,255,.04);}
.nav-link.is-active{color:var(--brand);}
.nav-link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;
  background:var(--brand);box-shadow:0 0 14px rgba(0,229,199,.45);
}
.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--line);
  background:rgba(255,255,255,.03);cursor:pointer;position:relative;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text-0);margin:3px auto;border-radius:2px;transition:transform .25s ease-out,opacity .25s ease-out;}
.nav-toggle.is-open span:nth-child(1){transform:translateY(5px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-5px) rotate(-45deg);}

.mobile-drawer{
  position:fixed;inset:72px 0 0 0;z-index:55;
  background:rgba(6,9,14,.985);
  transform:translateY(-8px);opacity:0;pointer-events:none;visibility:hidden;
  transition:opacity .25s ease-out,transform .25s ease-out,visibility .25s;
  overflow-y:auto;padding:28px 20px 48px;
}
.mobile-drawer.is-open{opacity:1;transform:translateY(0);pointer-events:auto;visibility:visible;}
.mobile-drawer .nav-link{display:block;font-size:19px;font-weight:700;padding:16px 14px;border-bottom:1px solid var(--line);border-radius:0;color:var(--text-0);}
.mobile-drawer .nav-link.is-active{color:var(--brand);}
.mobile-drawer .nav-link.is-active::after{display:none;}
.mobile-drawer .drawer-cta{margin-top:24px;width:100%;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:11px;border:1px solid transparent;
  font-size:15px;font-weight:700;cursor:pointer;white-space:nowrap;
  transition:transform .22s ease-out,box-shadow .22s ease-out,background .22s ease-out,color .22s ease-out,border-color .22s ease-out;
}
.btn-primary{background:var(--brand);color:#03110F;box-shadow:0 0 0 rgba(0,229,199,0);}
.btn-primary:hover{background:#4bf0d8;color:#03110F;box-shadow:0 0 18px rgba(0,229,199,.35);transform:translateY(-1px);}
.btn-ghost{background:transparent;border-color:rgba(124,92,255,.65);color:var(--text-0);}
.btn-ghost:hover{background:rgba(124,92,255,.14);color:var(--text-0);transform:translateY(-1px);}
.btn-link{color:var(--brand);font-weight:700;font-size:14.5px;display:inline-flex;align-items:center;gap:6px;}
.btn-link:hover{color:var(--brand-2);text-decoration:underline;}
.btn[disabled],.btn.is-disabled{opacity:.5;pointer-events:none;}

/* ---------- hero ---------- */
.hero{padding:76px 0 var(--space-4);position:relative;z-index:1;}
.hero-grid{display:grid;grid-template-columns:1.06fr .94fr;gap:48px;align-items:center;}
.hero h1{font-size:56px;line-height:1.08;margin-bottom:18px;}
.hero h1 .hl{
  background:linear-gradient(100deg,var(--brand),var(--brand-2));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{font-size:18px;color:var(--text-0);font-weight:600;margin-bottom:12px;}
.hero-desc{font-size:15.5px;color:var(--text-1);max-width:560px;margin-bottom:26px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:28px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;}
.tag{
  font-size:13px;color:var(--text-1);padding:5px 12px;border-radius:999px;
  border:1px solid var(--line);background:rgba(255,255,255,.03);
}
.hero-visual{position:relative;border-radius:var(--radius-l);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-1);}
.hero-visual img{width:100%;height:430px;object-fit:cover;filter:saturate(.85);}
.hero-visual::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,10,15,.35) 0%,rgba(7,10,15,.78) 62%,rgba(7,10,15,.96) 100%);
}
.hero-float{
  position:absolute;left:20px;right:20px;bottom:20px;z-index:2;
  display:grid;grid-template-columns:1fr 1fr;gap:12px;
}
.float-card{
  background:rgba(12,17,26,.86);border:1px solid var(--line);border-radius:var(--radius-m);
  padding:14px 16px;backdrop-filter:blur(8px);
}
.float-card strong{display:block;font-size:22px;color:var(--brand);font-weight:800;}
.float-card span{font-size:12.5px;color:var(--text-2);}

/* ---------- pain ---------- */
.pain-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.pain-card{
  position:relative;padding:26px 22px;border-radius:var(--radius-l);
  background:linear-gradient(180deg,rgba(255,255,255,.045),rgba(255,255,255,.018));
  border:1px solid var(--line);box-shadow:var(--shadow-1);
  transition:transform .25s ease-out,border-color .25s ease-out,box-shadow .25s ease-out;
}
.pain-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:0 0 22px rgba(0,229,199,.18),var(--shadow-1);}
.pain-num{
  font-size:30px;font-weight:800;line-height:1;margin-bottom:14px;
  background:linear-gradient(120deg,var(--brand),var(--brand-2));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.pain-card h3{font-size:18px;margin-bottom:10px;line-height:1.45;}
.pain-card p{font-size:14px;color:var(--text-2);line-height:1.7;}

/* ---------- plans ---------- */
.plans-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:26px;}
.plan-card{
  position:relative;padding:30px 28px;border-radius:var(--radius-l);
  background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.02));
  border:1px solid var(--line);box-shadow:var(--shadow-1);
  transition:transform .25s ease-out,border-color .25s ease-out,box-shadow .25s ease-out;
  display:flex;flex-direction:column;
}
.plans-grid .plan-card:nth-child(even){margin-top:34px;}
.plan-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:0 0 22px rgba(0,229,199,.16),var(--shadow-1);}
.plan-head{display:flex;align-items:center;gap:14px;margin-bottom:16px;}
.plan-icon{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;font-size:20px;
  background:rgba(0,229,199,.10);border:1px solid var(--line-strong);color:var(--brand);
}
.plan-index{font-size:30px;font-weight:800;color:var(--text-2);line-height:1;letter-spacing:-.02em;}
.plan-card h3{font-size:21px;margin-bottom:10px;}
.plan-card > p{font-size:14.5px;color:var(--text-1);margin-bottom:16px;}
.plan-list{margin-bottom:20px;}
.plan-list li{position:relative;padding-left:22px;font-size:14px;color:var(--text-1);margin-bottom:9px;line-height:1.7;}
.plan-list li::before{
  content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:2px;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));transform:rotate(45deg);
}
.plan-card .btn-link{margin-top:auto;}

/* ---------- stats ---------- */
.stats-band{
  background:linear-gradient(180deg,rgba(16,24,38,.9),rgba(12,17,26,.92));
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  position:relative;overflow:hidden;
}
.stats-band::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(0,229,199,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(0,229,199,.05) 1px,transparent 1px);
  background-size:48px 48px;opacity:.7;
}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;position:relative;z-index:1;}
.stat{padding:26px 22px;border-left:2px solid rgba(0,229,199,.22);}
.stat b{display:block;font-size:46px;line-height:1;font-weight:800;letter-spacing:-.03em;color:var(--brand);margin-bottom:10px;}
.stat:nth-child(even) b{color:var(--brand-2);}
.stat span{font-size:14px;color:var(--text-0);font-weight:600;display:block;margin-bottom:6px;}
.stat small{font-size:12.5px;color:var(--text-2);display:block;line-height:1.6;}
.stats-note{margin-top:24px;font-size:12.5px;color:var(--text-2);position:relative;z-index:1;}

/* ---------- news ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{
  border-radius:var(--radius-l);overflow:hidden;border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(255,255,255,.045),rgba(255,255,255,.018));
  box-shadow:var(--shadow-1);display:flex;flex-direction:column;
  transition:transform .25s ease-out,border-color .25s ease-out,box-shadow .25s ease-out;
}
.news-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:0 0 22px rgba(0,229,199,.16),var(--shadow-1);}
.news-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--panel-2);}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease-out;}
.news-card:hover .news-thumb img{transform:scale(1.05);}
.news-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,10,15,0) 40%,rgba(7,10,15,.7) 100%);}
.news-body{padding:20px 20px 22px;display:flex;flex-direction:column;flex:1;}
.badge{
  display:inline-block;font-size:12px;font-weight:700;color:var(--brand);
  background:rgba(0,229,199,.10);border:1px solid var(--line-strong);
  border-radius:999px;padding:3px 11px;letter-spacing:.02em;margin-bottom:12px;align-self:flex-start;
}
.news-body h3{font-size:19px;line-height:1.45;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-body p{font-size:14px;color:var(--text-2);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:14px;}
.news-meta{margin-top:auto;font-size:12.5px;color:var(--text-2);display:flex;align-items:center;justify-content:space-between;gap:10px;}
.news-more{text-align:center;margin-top:34px;}
.empty-state{
  border:1px dashed var(--line);border-radius:var(--radius-l);padding:52px 24px;text-align:center;
  background:rgba(255,255,255,.02);
}
.empty-state strong{display:block;color:var(--text-0);font-size:18px;margin-bottom:8px;}
.empty-state span{font-size:14px;color:var(--text-2);}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:14px;max-width:900px;}
.faq-item{
  border:1px solid var(--line);border-radius:var(--radius-m);
  background:linear-gradient(180deg,rgba(255,255,255,.04),rgba(255,255,255,.016));
  overflow:hidden;transition:border-color .25s ease-out,box-shadow .25s ease-out;
}
.faq-item.is-open{border-left:3px solid var(--brand);box-shadow:0 0 20px rgba(0,229,199,.12);}
.faq-q{
  width:100%;text-align:left;background:transparent;border:0;cursor:pointer;
  padding:20px 54px 20px 22px;font-size:18px;font-weight:700;color:var(--text-0);
  line-height:1.5;position:relative;
}
.faq-q::after{
  content:"";position:absolute;right:22px;top:50%;width:10px;height:10px;
  border-right:2px solid var(--brand);border-bottom:2px solid var(--brand);
  transform:translateY(-70%) rotate(45deg);transition:transform .25s ease-out;
}
.faq-item.is-open .faq-q::after{transform:translateY(-30%) rotate(-135deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease-out;}
.faq-a-inner{padding:0 22px 22px;font-size:15px;line-height:1.8;color:var(--text-1);}

/* ---------- cta band ---------- */
.cta-band{
  border-radius:var(--radius-l);border:1px solid var(--line-strong);
  background:
    radial-gradient(600px 260px at 12% 20%,rgba(0,229,199,.14),transparent 62%),
    radial-gradient(520px 260px at 88% 80%,rgba(124,92,255,.16),transparent 62%),
    linear-gradient(180deg,rgba(16,24,38,.92),rgba(12,17,26,.95));
  padding:46px 44px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  box-shadow:0 0 34px rgba(0,229,199,.10);
}
.cta-band h2{font-size:32px;margin-bottom:10px;}
.cta-band p{font-size:15px;color:var(--text-1);max-width:620px;}
.cta-band-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- footer ---------- */
.site-footer{
  margin-top:var(--space-5);background:var(--bg-0);border-top:1px solid var(--line);position:relative;z-index:1;
}
.site-footer::before{
  content:"";position:absolute;left:0;right:0;top:-1px;height:1px;
  background:linear-gradient(90deg,rgba(0,229,199,.7),rgba(124,92,255,.6),transparent);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;padding:60px 0 40px;}
.footer-brand p{font-size:14px;color:var(--text-2);margin:16px 0 18px;max-width:320px;line-height:1.8;}
.footer-title{font-size:15px;font-weight:700;color:var(--text-0);margin-bottom:16px;}
.footer-links li{margin-bottom:10px;}
.footer-links a{font-size:14px;color:var(--text-2);}
.footer-links a:hover{color:var(--brand);}
.footer-contact li{font-size:14px;color:var(--text-2);margin-bottom:10px;line-height:1.7;}
.footer-contact strong{color:var(--text-1);font-weight:600;}
.footer-bottom{
  border-top:1px solid var(--line);padding:22px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--text-2);
}
.footer-bottom a{color:var(--text-2);}
.footer-bottom a:hover{color:var(--brand);}

/* ---------- modal ---------- */
.modal-mask{
  position:fixed;inset:0;z-index:90;background:rgba(3,6,12,.72);
  display:flex;align-items:center;justify-content:center;padding:24px;
  opacity:0;visibility:hidden;pointer-events:none;transition:opacity .25s ease-out,visibility .25s;
  backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);
}
.modal-mask.is-open{opacity:1;visibility:visible;pointer-events:auto;}
.modal-panel{
  width:100%;max-width:560px;max-height:90vh;overflow-y:auto;
  background:linear-gradient(180deg,var(--panel-2),var(--panel));
  border:1px solid var(--line-strong);border-radius:var(--radius-l);
  padding:32px 30px 28px;box-shadow:0 24px 60px rgba(0,0,0,.6);
  transform:translateY(10px);transition:transform .25s ease-out;
}
.modal-mask.is-open .modal-panel{transform:translateY(0);}
.modal-panel h2{font-size:24px;margin-bottom:8px;}
.modal-panel > p{font-size:14px;color:var(--text-2);margin-bottom:22px;}
.modal-close{
  position:absolute;top:16px;right:16px;width:36px;height:36px;border-radius:10px;
  border:1px solid var(--line);background:rgba(255,255,255,.03);color:var(--text-1);cursor:pointer;font-size:18px;line-height:1;
}
.modal-close:hover{color:var(--brand);border-color:var(--line-strong);}
.modal-wrap{position:relative;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13.5px;color:var(--text-1);margin-bottom:7px;font-weight:600;}
.field input,.field select,.field textarea{
  width:100%;height:46px;padding:0 14px;border-radius:10px;
  background:#0B111B;border:1px solid var(--line);color:var(--text-0);
  font-size:14.5px;font-family:inherit;transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.field textarea{height:96px;padding:12px 14px;resize:vertical;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(0,229,199,.16);
}
.field select option{background:#0B111B;color:var(--text-0);}
.check-row{display:flex;align-items:flex-start;gap:10px;margin:4px 0 18px;}
.check-row input{width:17px;height:17px;margin-top:3px;accent-color:var(--brand);flex-shrink:0;}
.check-row label{font-size:13px;color:var(--text-2);line-height:1.7;}
.form-note{font-size:12.5px;color:var(--text-2);line-height:1.7;margin-top:14px;}
.form-msg{font-size:13.5px;margin-top:12px;display:none;}
.form-msg.is-error{display:block;color:var(--danger);}
.form-msg.is-success{display:block;color:var(--success);}
.modal-panel .btn-primary{width:100%;}

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

@media (max-width:1200px){
  .container{padding:0 22px;}
  .hero h1{font-size:50px;}
  .section-title{font-size:36px;}
}
@media (max-width:992px){
  .main-nav{display:none;}
  .nav-toggle{display:block;}
  .header-actions .btn{display:none;}
  .hero{padding:54px 0 40px;}
  .hero-grid{grid-template-columns:1fr;gap:34px;}
  .hero h1{font-size:40px;}
  .hero-visual img{height:340px;}
  .pain-grid{grid-template-columns:repeat(2,1fr);}
  .plans-grid{grid-template-columns:1fr;}
  .plans-grid .plan-card:nth-child(even){margin-top:0;}
  .stats-grid{grid-template-columns:repeat(2,1fr);}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;padding:44px 0 32px;}
  .cta-band{padding:36px 28px;}
  .cta-band h2{font-size:26px;}
  .section{padding:64px 0;}
}
@media (max-width:768px){
  .section-title{font-size:30px;}
  .hero h1{font-size:34px;}
  .hero-sub{font-size:16.5px;}
  .stat b{font-size:38px;}
  .form-row{grid-template-columns:1fr;}
  .modal-panel{padding:26px 22px 22px;}
}
@media (max-width:576px){
  .container{padding:0 16px;}
  .hero h1{font-size:30px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .pain-grid{grid-template-columns:1fr;}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:12px;}
  .stat{padding:18px 14px;}
  .stat b{font-size:32px;}
  .news-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .section{padding:52px 0;}
  .cta-band{padding:28px 20px;}
  .cta-band-actions{width:100%;flex-direction:column;}
  .cta-band-actions .btn{width:100%;}
  .modal-mask{padding:16px;}
  .modal-panel{width:92%;}
  .faq-q{font-size:16.5px;padding:17px 46px 17px 18px;}
  .faq-a-inner{padding:0 18px 18px;}
}

/* roulang page: category1 */
:root{
  --bg-0:#070A0F;--bg-1:#0C111A;--bg-2:#101826;
  --panel:#0F1622;--panel-2:#141E2E;
  --line:rgba(255,255,255,.08);--line-strong:rgba(0,229,199,.35);
  --text-0:#F2F7FF;--text-1:#B8C4D9;--text-2:#7E8CA3;
  --brand:#00E5C7;--brand-2:#7C5CFF;--accent:#FFB020;
  --danger:#FF4D6D;--success:#20D68B;
  --radius-s:10px;--radius-m:14px;--radius-l:18px;
  --shadow-card:0 12px 34px rgba(0,0,0,.38);
  --shadow-hover:0 0 22px rgba(0,229,199,.18);
  --ease:cubic-bezier(.22,.61,.36,1);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.75;color:var(--text-1);
  background:
    radial-gradient(900px 520px at 12% -8%,rgba(0,229,199,.10),transparent 62%),
    radial-gradient(760px 460px at 88% 4%,rgba(124,92,255,.12),transparent 60%),
    linear-gradient(180deg,var(--bg-0) 0%,var(--bg-1) 46%,var(--bg-2) 100%);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:64px 64px;opacity:.6;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .24s var(--ease)}
a:hover{color:var(--brand)}
h1,h2,h3,h4{margin:0;color:var(--text-0);font-weight:800;letter-spacing:-.02em;line-height:1.2}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;position:relative;z-index:1}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--radius-s);border:1px solid transparent;
  font-size:15px;font-weight:700;cursor:pointer;white-space:nowrap;
  transition:background .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease),transform .24s var(--ease);
}
.btn-primary{background:var(--brand);color:#03110F;box-shadow:0 8px 22px rgba(0,229,199,.16)}
.btn-primary:hover{background:#3BF2DA;color:#03110F;box-shadow:0 0 18px rgba(0,229,199,.35)}
.btn-outline{background:transparent;border-color:rgba(124,92,255,.65);color:var(--text-0)}
.btn-outline:hover{background:rgba(124,92,255,.14);color:var(--text-0)}
.btn-ghost{background:transparent;color:var(--brand);padding:0;height:auto;font-weight:600}
.btn-ghost:hover{color:var(--brand-2);text-decoration:underline;text-underline-offset:5px}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none}
.btn-sm{height:40px;padding:0 18px;font-size:14px}

/* ---------- 顶栏 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:rgba(7,10,15,.92);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
}
.site-header::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,rgba(0,229,199,0),rgba(0,229,199,.85),rgba(124,92,255,.85),rgba(124,92,255,0));
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#03110F;
  font-weight:800;font-size:16px;box-shadow:0 0 16px rgba(0,229,199,.28);
}
.logo-text{font-size:17px;font-weight:800;color:var(--text-0);letter-spacing:-.01em;display:inline-flex;align-items:center;gap:6px}
.logo-badge{
  font-size:11px;font-weight:700;color:var(--brand);border:1px solid var(--line-strong);
  border-radius:999px;padding:1px 8px;line-height:1.5;background:rgba(0,229,199,.08);
}
.main-nav{display:flex;align-items:center;gap:4px}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:72px;padding:0 13px;
  font-size:15px;color:var(--text-1);font-weight:500;
}
.nav-link::after{
  content:"";position:absolute;left:13px;right:13px;bottom:18px;height:2px;border-radius:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:center;transition:transform .26s var(--ease);
}
.nav-link:hover{color:var(--text-0)}
.nav-link:hover::after{transform:scaleX(.6);opacity:.5}
.nav-link.is-active{color:var(--brand);text-shadow:0 0 14px rgba(0,229,199,.45)}
.nav-link.is-active::after{transform:scaleX(1);box-shadow:0 0 14px rgba(0,229,199,.45)}
.nav-actions{display:flex;align-items:center;gap:12px}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;background:rgba(255,255,255,.04);
  border:1px solid var(--line);cursor:pointer;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(--text-0);
  transform:translateX(-50%);transition:transform .24s var(--ease),opacity .24s var(--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}
.drawer{
  position:fixed;inset:72px 0 0 0;z-index:55;background:rgba(6,9,14,.98);
  padding:26px 22px 40px;display:none;flex-direction:column;gap:6px;overflow-y:auto;
}
.drawer.is-open{display:flex}
.drawer .nav-link{
  height:auto;padding:16px 4px;font-size:20px;font-weight:700;border-bottom:1px solid var(--line);
}
.drawer .nav-link::after{display:none}
.drawer .btn{margin-top:18px;height:50px;font-size:16px}

/* ---------- 通用板块 ---------- */
main{position:relative;z-index:1}
.section{padding:76px 0}
.section-tight{padding:56px 0}
.section-head{max-width:720px;margin-bottom:38px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.08em;
  color:var(--brand);text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:linear-gradient(90deg,var(--brand),transparent)}
.section-title{font-size:38px;margin-bottom:14px}
.section-desc{font-size:16px;color:var(--text-1);margin:0}
.divider{height:1px;background:linear-gradient(90deg,rgba(0,229,199,.5),rgba(124,92,255,.35),transparent);border:0;margin:0}

/* ---------- Hero ---------- */
.cat-hero{padding:64px 0 60px;position:relative;overflow:hidden}
.cat-hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center}
.crumb{font-size:13px;color:var(--text-2);display:flex;align-items:center;gap:9px;margin-bottom:20px;flex-wrap:wrap}
.crumb a{color:var(--text-2)}
.crumb a:hover{color:var(--brand)}
.crumb span.sep{width:14px;height:1px;background:var(--line);display:inline-block}
.cat-hero h1{font-size:54px;line-height:1.1;margin-bottom:18px}
.cat-hero h1 em{font-style:normal;color:var(--brand);text-shadow:0 0 26px rgba(0,229,199,.35)}
.hero-lead{font-size:17px;color:var(--text-1);max-width:560px;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.hero-visual{
  position:relative;border-radius:var(--radius-l);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--shadow-card);aspect-ratio:16/11;background:var(--panel);
}
.hero-visual img{width:100%;height:100%;object-fit:cover}
.hero-visual::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(160deg,rgba(7,10,15,.30),rgba(7,10,15,.82) 78%),radial-gradient(420px 240px at 80% 12%,rgba(0,229,199,.22),transparent 70%);
}
.hero-visual-caption{
  position:absolute;left:22px;right:22px;bottom:20px;z-index:2;
}
.hero-visual-caption strong{display:block;color:var(--text-0);font-size:17px;font-weight:800;margin-bottom:6px}
.hero-visual-caption span{font-size:13px;color:var(--text-1)}

/* ---------- 信息卡 ---------- */
.info-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.info-card{
  position:relative;padding:28px 26px;border-radius:var(--radius-m);border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(255,255,255,.045),rgba(255,255,255,.018));
  box-shadow:var(--shadow-card);
  transition:transform .26s var(--ease),border-color .26s var(--ease),box-shadow .26s var(--ease);
}
.info-card:hover{transform:translateY(-2px);border-color:var(--line-strong);box-shadow:var(--shadow-card),var(--shadow-hover)}
.info-card .num{
  font-size:15px;font-weight:800;color:var(--brand-2);letter-spacing:.12em;display:block;margin-bottom:12px;
}
.info-card h3{font-size:21px;margin-bottom:10px}
.info-card p{font-size:14.5px;color:var(--text-1);margin:0}
.info-card .tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.tag{
  font-size:12px;padding:3px 10px;border-radius:999px;border:1px solid var(--line);
  color:var(--text-1);background:rgba(255,255,255,.03);
}
.tag.is-brand{color:var(--brand);border-color:var(--line-strong);background:rgba(0,229,199,.08)}

/* ---------- 动态列表 ---------- */
.tl{position:relative;padding-left:26px}
.tl::before{content:"";position:absolute;left:5px;top:8px;bottom:8px;width:1px;background:linear-gradient(180deg,rgba(0,229,199,.7),rgba(124,92,255,.35),transparent)}
.tl-item{position:relative;padding:0 0 26px 8px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-26px;top:9px;width:11px;height:11px;border-radius:50%;
  background:var(--bg-1);border:2px solid var(--brand);box-shadow:0 0 12px rgba(0,229,199,.5);
}
.tl-card{
  padding:22px 24px;border-radius:var(--radius-m);border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(255,255,255,.04),rgba(255,255,255,.015));
  transition:transform .26s var(--ease),border-color .26s var(--ease),box-shadow .26s var(--ease);
}
.tl-card:hover{transform:translateY(-2px);border-color:var(--line-strong);box-shadow:var(--shadow-hover)}
.tl-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;font-size:12.5px;color:var(--text-2);margin-bottom:8px}
.tl-card h3{font-size:20px;margin-bottom:8px}
.tl-card p{font-size:14.5px;margin:0}
.tl-card .more{display:inline-flex;margin-top:14px;font-size:14px;font-weight:700;color:var(--brand)}
.tl-card .more:hover{color:var(--brand-2);text-decoration:underline;text-underline-offset:4px}

/* ---------- 数据带 ---------- */
.band{
  background:
    linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px) 0 0/100% 44px,
    linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px) 0 0/44px 100%,
    var(--bg-2);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:26px;padding:52px 0}
.stat{padding-left:20px;border-left:1px solid var(--line)}
.stat strong{display:block;font-size:44px;line-height:1.1;font-weight:800;color:var(--brand);letter-spacing:-.03em}
.stat:nth-child(2n) strong{color:var(--brand-2)}
.stat span{display:block;font-size:14px;color:var(--text-1);margin-top:8px}
.band-note{font-size:12px;color:var(--text-2);padding-bottom:26px;margin:0}

/* ---------- FAQ ---------- */
.faq{display:grid;gap:14px;max-width:900px}
.faq details{
  border:1px solid var(--line);border-radius:var(--radius-m);
  background:linear-gradient(180deg,rgba(255,255,255,.035),rgba(255,255,255,.012));
  padding:0 22px;transition:border-color .26s var(--ease),background .26s var(--ease);
}
.faq details[open]{border-color:var(--line-strong);border-left:3px solid var(--brand);background:rgba(0,229,199,.05)}
.faq summary{
  list-style:none;cursor:pointer;padding:19px 0;font-size:18px;font-weight:700;color:var(--text-0);
  display:flex;align-items:center;justify-content:space-between;gap:16px;line-height:1.5;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"";flex:0 0 auto;width:10px;height:10px;border-right:2px solid var(--brand);
  border-bottom:2px solid var(--brand);transform:rotate(45deg);transition:transform .26s var(--ease);
}
.faq details[open] summary::after{transform:rotate(-135deg)}
.faq .faq-body{padding:0 0 20px;font-size:15px;color:var(--text-1);max-width:800px}

/* ---------- CTA ---------- */
.cta-band{
  border:1px solid var(--line-strong);border-radius:var(--radius-l);padding:46px 44px;
  background:
    radial-gradient(520px 260px at 88% 12%,rgba(124,92,255,.22),transparent 70%),
    radial-gradient(420px 220px at 6% 90%,rgba(0,229,199,.16),transparent 70%),
    linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.015));
  display:grid;grid-template-columns:1.3fr auto;gap:32px;align-items:center;
  box-shadow:var(--shadow-card);
}
.cta-band h2{font-size:34px;margin-bottom:12px}
.cta-band p{font-size:15.5px;color:var(--text-1);margin:0;max-width:640px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ---------- 页脚 ---------- */
.site-footer{position:relative;z-index:1;background:var(--bg-0);padding:62px 0 30px;margin-top:20px}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,rgba(0,229,199,0),rgba(0,229,199,.7),rgba(124,92,255,.7),rgba(124,92,255,0));
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1.2fr 1fr;gap:38px}
.footer-brand p{font-size:14px;color:var(--text-2);margin:16px 0 0;max-width:340px}
.footer-title{font-size:15px;font-weight:800;color:var(--text-0);margin-bottom:16px}
.footer-links li,.footer-contact li{font-size:14px;margin-bottom:11px;color:var(--text-2)}
.footer-links a{color:var(--text-2)}
.footer-links a:hover{color:var(--brand)}
.footer-contact strong{color:var(--text-1);font-weight:600}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--text-2);
}

/* ---------- 弹层表单 ---------- */
.modal{
  position:fixed;inset:0;z-index:90;display:none;align-items:center;justify-content:center;
  padding:24px;background:rgba(3,6,12,.72);backdrop-filter:blur(6px);
}
.modal.is-open{display:flex}
.modal-panel{
  width:100%;max-width:560px;max-height:90vh;overflow-y:auto;border-radius:var(--radius-l);
  border:1px solid var(--line-strong);background:linear-gradient(180deg,#101826,#0B111B);
  box-shadow:0 30px 70px rgba(0,0,0,.6);padding:30px 28px;
}
.modal-head{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:8px}
.modal-head h3{font-size:22px}
.modal-head p{font-size:13.5px;color:var(--text-2);margin:8px 0 0}
.modal-close{
  width:36px;height:36px;flex:0 0 auto;border-radius:10px;border:1px solid var(--line);
  background:rgba(255,255,255,.04);color:var(--text-1);cursor:pointer;font-size:18px;line-height:1;
}
.modal-close:hover{color:var(--text-0);border-color:var(--line-strong)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:22px}
.field{display:flex;flex-direction:column;gap:7px}
.field.full{grid-column:1 / -1}
.field label{font-size:13.5px;color:var(--text-1);font-weight:600}
.field input,.field select,.field textarea{
  height:44px;padding:0 14px;border-radius:10px;background:#0B111B;
  border:1px solid var(--line);color:var(--text-0);font-size:15px;
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.field textarea{height:auto;min-height:96px;padding:12px 14px;resize:vertical;line-height:1.7}
.field input::placeholder,.field textarea::placeholder{color:#5C6A80}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(0,229,199,.16);
}
.check-row{display:flex;gap:10px;align-items:flex-start;margin-top:18px;font-size:13px;color:var(--text-1)}
.check-row input{width:17px;height:17px;margin-top:3px;accent-color:var(--brand);flex:0 0 auto}
.form-note{font-size:12.5px;color:var(--text-2);margin:14px 0 0;line-height:1.7}
.form-msg{font-size:13px;margin-top:12px;display:none}
.form-msg.is-error{display:block;color:var(--danger)}
.form-msg.is-success{display:block;color:var(--success)}
.modal .btn-submit{width:100%;margin-top:18px}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .cat-hero h1{font-size:48px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px}
}
@media (max-width:992px){
  .main-nav,.nav-actions .btn{display:none}
  .nav-toggle{display:block}
  .cat-hero-grid{grid-template-columns:1fr;gap:36px}
  .cat-hero h1{font-size:40px}
  .section{padding:60px 0}
  .section-title{font-size:32px}
  .stat-grid{grid-template-columns:repeat(2,1fr);gap:22px;padding:42px 0}
  .cta-band{grid-template-columns:1fr;padding:36px 30px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:768px){
  .container{padding:0 20px}
  .cat-hero{padding:44px 0 48px}
  .cat-hero h1{font-size:34px}
  .hero-lead{font-size:16px}
  .section-title{font-size:28px}
  .info-grid{grid-template-columns:1fr}
  .info-card{padding:24px 20px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:8px}
  .modal-panel{max-width:92%;padding:26px 20px}
  .form-grid{grid-template-columns:1fr}
}
@media (max-width:576px){
  .container{padding:0 16px}
  .cat-hero h1{font-size:30px}
  .section{padding:48px 0}
  .section-title{font-size:26px}
  .stat strong{font-size:36px}
  .stat-grid{grid-template-columns:repeat(2,1fr);gap:18px}
  .hero-actions .btn{width:100%}
  .cta-band{padding:30px 22px}
  .cta-band h2{font-size:26px}
  .tl{padding-left:20px}
  .tl-item{}

  .tl-item::before{left:-20px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
}

/* roulang page: article */
/* ============ 设计变量 ============ */
:root{
  --bg-0:#070A0F;
  --bg-1:#0C111A;
  --bg-2:#101826;
  --panel:#0F1622;
  --panel-2:#141E2E;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(0,229,199,.35);
  --text-0:#F2F7FF;
  --text-1:#B8C4D9;
  --text-2:#7E8CA3;
  --brand:#00E5C7;
  --brand-2:#7C5CFF;
  --accent:#FFB020;
  --danger:#FF4D6D;
  --success:#20D68B;
  --radius-s:10px;
  --radius:14px;
  --radius-l:18px;
  --radius-xl:22px;
  --shadow:0 12px 34px rgba(0,0,0,.38);
  --shadow-lg:0 28px 70px rgba(0,0,0,.55);
  --container:1200px;
  --t:220ms cubic-bezier(.22,.61,.36,1);
}

/* ============ 基础重置 ============ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text-0);
  background:
    radial-gradient(1100px 600px at 80% -12%, rgba(124,92,255,.16), transparent 62%),
    radial-gradient(880px 520px at 6% 2%, rgba(0,229,199,.12), transparent 60%),
    linear-gradient(180deg,var(--bg-0) 0%,var(--bg-1) 48%,var(--bg-2) 100%);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  opacity:.5;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.75),transparent 82%);
  mask-image:linear-gradient(180deg,rgba(0,0,0,.75),transparent 82%);
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
::selection{background:rgba(0,229,199,.28);color:#fff}

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

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(7,10,15,.92);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.site-header::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-1px;
  height:1px;
  background:linear-gradient(90deg,transparent,var(--brand) 25%,var(--brand-2) 75%,transparent);
  opacity:.9;
}
.header-inner{
  display:flex;
  align-items:center;
  gap:22px;
  height:72px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.logo-mark{
  width:36px;height:36px;
  display:grid;place-items:center;
  border-radius:11px;
  font-size:17px;font-weight:800;
  color:#03110F;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  box-shadow:0 0 18px rgba(0,229,199,.35);
}
.logo-text{
  font-size:18px;
  font-weight:800;
  letter-spacing:-.02em;
  color:var(--text-0);
  white-space:nowrap;
}
.logo-badge{
  display:inline-block;
  margin-left:6px;
  padding:2px 8px;
  font-size:12px;
  font-weight:700;
  letter-spacing:.04em;
  border-radius:8px;
  color:var(--brand);
  border:1px solid var(--line-strong);
  background:rgba(0,229,199,.08);
  vertical-align:middle;
}
.main-nav{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:auto;
}
.nav-link{
  position:relative;
  padding:8px 14px;
  font-size:15px;
  font-weight:500;
  color:var(--text-1);
  border-radius:10px;
  transition:color var(--t),background var(--t);
}
.nav-link:hover{color:var(--text-0);background:rgba(255,255,255,.05)}
.nav-link.is-active{
  color:var(--brand);
  text-shadow:0 0 14px rgba(0,229,199,.45);
}
.nav-link.is-active::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:0;
  height:2px;border-radius:2px;
  background:var(--brand);
  box-shadow:0 0 14px rgba(0,229,199,.75);
}
.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  border:1px solid var(--line);
  border-radius:12px;
  align-items:center;
  justify-content:center;
  transition:border-color var(--t),background var(--t);
}
.nav-toggle:hover{border-color:var(--line-strong);background:rgba(0,229,199,.08)}
.nav-toggle span{
  display:block;
  width:18px;height:2px;
  border-radius:2px;
  background:var(--text-0);
  position:relative;
}
.nav-toggle span::before,
.nav-toggle span::after{
  content:"";
  position:absolute;left:0;
  width:18px;height:2px;
  border-radius:2px;
  background:var(--text-0);
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* ============ 移动端抽屉 ============ */
.mobile-drawer{
  display:none;
  position:fixed;
  inset:72px 0 0 0;
  z-index:55;
  background:rgba(6,9,14,.98);
  backdrop-filter:blur(10px);
  padding:26px 24px 40px;
  overflow-y:auto;
  transform:translateY(-8px);
  opacity:0;
  pointer-events:none;
  transition:opacity var(--t),transform var(--t);
}
.mobile-drawer.is-open{opacity:1;transform:translateY(0);pointer-events:auto}
.mobile-drawer .drawer-link{
  display:block;
  padding:16px 4px;
  font-size:20px;
  font-weight:700;
  color:var(--text-1);
  border-bottom:1px solid var(--line);
  transition:color var(--t),padding-left var(--t);
}
.mobile-drawer .drawer-link:hover{color:var(--text-0);padding-left:10px}
.mobile-drawer .drawer-link.is-active{color:var(--brand);text-shadow:0 0 14px rgba(0,229,199,.55)}
.mobile-drawer .btn{width:100%;margin-top:26px}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 24px;
  border-radius:12px;
  font-size:15px;
  font-weight:700;
  letter-spacing:.01em;
  white-space:nowrap;
  transition:transform var(--t),box-shadow var(--t),background var(--t),color var(--t),border-color var(--t);
}
.btn-primary{
  background:var(--brand);
  color:#03110F;
  box-shadow:0 8px 24px rgba(0,229,199,.22);
}
.btn-primary:hover{background:#22f2d6;box-shadow:0 0 18px rgba(0,229,199,.45);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{
  background:transparent;
  border:1px solid rgba(124,92,255,.65);
  color:var(--text-0);
}
.btn-ghost:hover{background:rgba(124,92,255,.14);transform:translateY(-1px)}
.btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:10px}
.btn-block{width:100%}
.btn:disabled,.btn[disabled]{opacity:.45;cursor:not-allowed;box-shadow:none;transform:none}
.link-more{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:700;
  color:var(--brand);
  transition:color var(--t);
}
.link-more::after{content:"→";transition:transform var(--t)}
.link-more:hover{color:var(--brand-2);text-decoration:underline}
.link-more:hover::after{transform:translateX(3px)}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:26px;
  padding:0 12px;
  border-radius:999px;
  font-size:12px;
  font-weight:700;
  letter-spacing:.05em;
  color:var(--brand);
  background:rgba(0,229,199,.09);
  border:1px solid var(--line-strong);
}
.badge-lg{height:30px;font-size:13px;padding:0 15px}

/* ============ 面包屑 ============ */
.breadcrumb-wrap{padding:28px 0 0}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  font-size:13px;
  color:var(--text-2);
}
.breadcrumb a{color:var(--text-2);transition:color var(--t)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{width:1px;height:12px;background:var(--line);flex-shrink:0}
.breadcrumb .current{
  color:var(--text-1);
  max-width:60ch;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}

/* ============ 文章头部 ============ */
.article-head{
  position:relative;
  padding:22px 0 26px;
  border-bottom:1px solid var(--line);
}
.article-head::after{
  content:"";
  position:absolute;
  left:0;bottom:-1px;
  width:140px;height:1px;
  background:linear-gradient(90deg,var(--brand),transparent);
}
.article-title{
  margin-top:16px;
  font-size:clamp(30px,4vw,46px);
  line-height:1.2;
  font-weight:800;
  letter-spacing:-.02em;
  color:var(--text-0);
}
.article-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px 24px;
  margin-top:18px;
  font-size:13px;
  color:var(--text-2);
}
.article-meta span{display:inline-flex;align-items:center;gap:6px}
.article-meta strong{color:var(--text-1);font-weight:600}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--line-strong)}

/* ============ 文章布局 ============ */
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 300px;
  gap:46px;
  padding:40px 0 20px;
  align-items:start;
}

/* ============ 正文阅读区 ============ */
.article-body{
  max-width:860px;
  background:var(--bg-1);
  border:1px solid var(--line);
  border-radius:var(--radius-l);
  padding:40px 42px;
  font-size:16px;
  line-height:1.85;
  color:var(--text-1);
  box-shadow:var(--shadow);
  overflow-wrap:break-word;
  word-break:break-word;
}
.article-body > *:first-child{margin-top:0}
.article-body h2{
  margin:38px 0 14px;
  font-size:28px;
  line-height:1.35;
  font-weight:800;
  letter-spacing:-.01em;
  color:var(--text-0);
  padding-left:14px;
  border-left:3px solid var(--brand);
}
.article-body h3{
  margin:28px 0 12px;
  font-size:21px;
  line-height:1.45;
  font-weight:700;
  color:var(--text-0);
}
.article-body h4{
  margin:22px 0 10px;
  font-size:17px;
  font-weight:700;
  color:var(--text-0);
}
.article-body p{margin:0 0 1.25em}
.article-body ul,
.article-body ol{
  margin:0 0 1.25em;
  padding-left:1.4em;
  list-style:revert;
}
.article-body li{margin:.4em 0}
.article-body li::marker{color:var(--brand)}
.article-body a{
  color:var(--brand);
  border-bottom:1px solid rgba(0,229,199,.35);
  transition:color var(--t),border-color var(--t);
}
.article-body a:hover{color:var(--brand-2);border-color:var(--brand-2)}
.article-body strong{color:var(--text-0);font-weight:700}
.article-body blockquote{
  margin:1.5em 0;
  padding:16px 22px;
  border-left:3px solid var(--brand);
  background:rgba(0,229,199,.06);
  border-radius:0 12px 12px 0;
  color:var(--text-0);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:12px;margin:1.5em 0;border:1px solid var(--line)}
.article-body figure{margin:1.5em 0}
.article-body figure img{margin:0 0 8px}
.article-body figcaption{
  font-size:13px;
  line-height:1.6;
  color:var(--text-2);
  text-align:center;
}
.article-body table{
  width:100%;
  border-collapse:collapse;
  margin:1.5em 0;
  font-size:14px;
  background:rgba(255,255,255,.02);
  border-radius:12px;
  overflow:hidden;
}
.article-body th,
.article-body td{
  border:1px solid var(--line);
  padding:11px 14px;
  text-align:left;
  vertical-align:top;
}
.article-body th{background:rgba(0,229,199,.08);color:var(--text-0);font-weight:700}
.article-body code{
  padding:2px 6px;
  border-radius:6px;
  font-size:.92em;
  color:#d5c8ff;
  background:rgba(124,92,255,.16);
}
.article-body pre{
  margin:1.4em 0;
  padding:16px 18px;
  border-radius:12px;
  border:1px solid var(--line);
  background:#080D15;
  overflow-x:auto;
  font-size:14px;
  line-height:1.7;
}
.article-body pre code{background:none;padding:0;color:#c9d6e8}
.article-body hr{
  margin:2em 0;
  border:0;
  height:1px;
  background:linear-gradient(90deg,transparent,var(--line-strong),transparent);
}

/* ============ 侧栏 ============ */
.article-side{position:sticky;top:96px}
.side-card{
  background:linear-gradient(180deg,rgba(255,255,255,.045),rgba(255,255,255,.018));
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:22px;
  box-shadow:var(--shadow);
  margin-bottom:18px;
  transition:border-color var(--t),box-shadow var(--t),transform var(--t);
}
.side-card:hover{border-color:var(--line-strong);box-shadow:0 0 22px rgba(0,229,199,.18)}
.side-title{
  font-size:14px;
  font-weight:800;
  letter-spacing:.06em;
  color:var(--text-0);
  margin-bottom:14px;
  display:flex;
  align-items:center;
  gap:8px;
}
.side-title::before{
  content:"";
  width:3px;height:14px;
  border-radius:2px;
  background:linear-gradient(180deg,var(--brand),var(--brand-2));
}
.side-list li{
  display:flex;
  justify-content:space-between;
  gap:12px;
  padding:9px 0;
  font-size:13px;
  color:var(--text-2);
  border-bottom:1px dashed rgba(255,255,255,.07);
}
.side-list li:last-child{border-bottom:0;padding-bottom:0}
.side-list li strong{color:var(--text-1);font-weight:600}
.side-text{font-size:13.5px;line-height:1.75;color:var(--text-2);margin-bottom:16px}

/* ============ 空态 ============ */
.empty-state{
  margin:46px 0 20px;
  padding:64px 32px;
  text-align:center;
  background:linear-gradient(180deg,rgba(255,255,255,.045),rgba(255,255,255,.018));
  border:1px dashed rgba(0,229,199,.32);
  border-radius:var(--radius-xl);
  box-shadow:var(--shadow);
}
.empty-state .empty-icon{
  width:62px;height:62px;
  margin:0 auto 20px;
  display:grid;place-items:center;
  border-radius:50%;
  font-size:26px;font-weight:800;
  color:var(--brand);
  border:1px solid var(--line-strong);
  background:rgba(0,229,199,.08);
}
.empty-state h2{font-size:24px;font-weight:800;color:var(--text-0);margin-bottom:10px}
.empty-state p{font-size:15px;color:var(--text-2);max-width:520px;margin:0 auto 24px;line-height:1.8}

/* ============ 板块通用 ============ */
.section{padding:72px 0}
.section-tight{padding:56px 0}
.section-head{margin-bottom:34px;max-width:720px}
.section-label{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  font-weight:800;
  letter-spacing:.14em;
  color:var(--brand);
  text-transform:uppercase;
  margin-bottom:14px;
}
.section-label::before{
  content:"";
  width:22px;height:1px;
  background:linear-gradient(90deg,var(--brand),transparent);
}
.section-title{
  font-size:clamp(26px,3vw,36px);
  line-height:1.25;
  font-weight:800;
  letter-spacing:-.02em;
  color:var(--text-0);
}
.section-desc{
  margin-top:12px;
  font-size:15px;
  line-height:1.8;
  color:var(--text-2);
}

/* ============ 卡片网格 ============ */
.card-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.post-card{
  display:flex;
  flex-direction:column;
  background:linear-gradient(180deg,rgba(255,255,255,.045),rgba(255,255,255,.018));
  border:1px solid var(--line);
  border-radius:16px;
  overflow:hidden;
  box-shadow:var(--shadow);
  transition:transform var(--t),border-color var(--t),box-shadow var(--t);
}
.post-card:hover{
  transform:translateY(-2px);
  border-color:var(--line-strong);
  box-shadow:0 0 22px rgba(0,229,199,.18),var(--shadow);
}
.post-thumb{
  position:relative;
  aspect-ratio:16/10;
  overflow:hidden;
  background:var(--panel-2);
}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 420ms cubic-bezier(.22,.61,.36,1)}
.post-card:hover .post-thumb img{transform:scale(1.05)}
.post-thumb::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,10,15,0) 40%,rgba(7,10,15,.78) 100%);
}
.post-thumb .badge{position:absolute;left:14px;top:14px;z-index:2;backdrop-filter:blur(6px)}
.post-body{padding:20px 20px 22px;display:flex;flex-direction:column;flex:1;gap:10px}
.post-title{
  font-size:19px;
  line-height:1.45;
  font-weight:700;
  color:var(--text-0);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  transition:color var(--t);
}
.post-card:hover .post-title{color:var(--brand)}
.post-excerpt{
  font-size:14px;
  line-height:1.7;
  color:var(--text-2);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.post-foot{
  margin-top:auto;
  padding-top:12px;
  border-top:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  font-size:12px;
  color:var(--text-2);
  letter-spacing:.02em;
}

/* ============ 底部 CTA ============ */
.cta-bar{
  position:relative;
  overflow:hidden;
  border-radius:var(--radius-xl);
  border:1px solid var(--line-strong);
  background:
    radial-gradient(600px 300px at 88% 12%, rgba(124,92,255,.24), transparent 62%),
    radial-gradient(520px 260px at 6% 96%, rgba(0,229,199,.18), transparent 60%),
    linear-gradient(180deg,#101A29,#0A0F18);
  padding:46px 44px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:26px;
  box-shadow:var(--shadow-lg);
}
.cta-bar::before{
  content:"";
  position:absolute;inset:0;
  pointer-events:none;
  opacity:.4;
  background-image:
    linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:40px 40px;
  -webkit-mask-image:radial-gradient(circle at 70% 40%,#000,transparent 72%);
  mask-image:radial-gradient(circle at 70% 40%,#000,transparent 72%);
}
.cta-copy{position:relative;z-index:1;max-width:640px}
.cta-copy h2{font-size:clamp(24px,2.6vw,32px);font-weight:800;letter-spacing:-.02em;color:var(--text-0);line-height:1.3}
.cta-copy p{margin-top:12px;font-size:15px;line-height:1.8;color:var(--text-1)}
.cta-actions{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:14px}

/* ============ 弹层表单 ============ */
.modal{
  position:fixed;
  inset:0;
  z-index:120;
  display:none;
  align-items:center;
  justify-content:center;
  padding:24px;
}
.modal.is-open{display:flex}
.modal-backdrop{
  position:absolute;
  inset:0;
  background:rgba(3,6,12,.72);
  backdrop-filter:blur(4px);
  -webkit-backdrop-filter:blur(4px);
}
.modal-panel{
  position:relative;
  width:100%;
  max-width:560px;
  max-height:90vh;
  overflow-y:auto;
  padding:30px 30px 26px;
  border-radius:20px;
  border:1px solid var(--line-strong);
  background:linear-gradient(180deg,#131C2B,#0B111B);
  box-shadow:var(--shadow-lg);
  animation:modalIn 260ms cubic-bezier(.22,.61,.36,1);
}
@keyframes modalIn{from{opacity:0;transform:translateY(14px) scale(.98)}to{opacity:1;transform:none}}
.modal-head{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:16px;
  margin-bottom:20px;
}
.modal-head h3{font-size:22px;font-weight:800;color:var(--text-0);letter-spacing:-.01em}
.modal-head p{margin-top:8px;font-size:13.5px;line-height:1.7;color:var(--text-2)}
.modal-close{
  flex-shrink:0;
  width:36px;height:36px;
  display:grid;place-items:center;
  border-radius:10px;
  border:1px solid var(--line);
  color:var(--text-1);
  font-size:18px;
  line-height:1;
  transition:border-color var(--t),color var(--t),background var(--t);
}
.modal-close:hover{border-color:var(--danger);color:var(--danger);background:rgba(255,77,109,.08)}
.form-row{margin-bottom:16px}
.form-row label{
  display:block;
  font-size:13px;
  font-weight:600;
  color:var(--text-1);
  margin-bottom:8px;
}
.form-row .req{color:var(--danger);margin-left:2px}
.form-control{
  width:100%;
  height:44px;
  padding:0 14px;
  border-radius:10px;
  border:1px solid var(--line);
  background:#0B111B;
  color:var(--text-0);
  font-size:14.5px;
  transition:border-color var(--t),box-shadow var(--t),background var(--t);
}
textarea.form-control{height:100px;padding:12px 14px;resize:vertical;line-height:1.7}
select.form-control{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--text-2) 50%),linear-gradient(135deg,var(--text-2) 50%,transparent 50%);background-position:calc(100% - 18px) 20px,calc(100% - 13px) 20px;background-size:5px 5px,5px 5px;background-repeat:no-repeat}
.form-control::placeholder{color:#5A6779}
.form-control:focus{
  outline:none;
  border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(0,229,199,.16),0 0 16px rgba(0,229,199,.22);
  background:#0D1420;
}
.form-check{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:12.5px;
  line-height:1.7;
  color:var(--text-2);
}
.form-check input{
  width:16px;height:16px;
  margin-top:3px;
  flex-shrink:0;
  accent-color:var(--brand);
}
.form-check a{color:var(--brand)}
.form-check a:hover{color:var(--brand-2);text-decoration:underline}
.form-note{
  margin-top:10px;
  font-size:12.5px;
  line-height:1.7;
  color:var(--text-2);
}
.form-msg{margin-top:12px;font-size:13px;line-height:1.7;display:none}
.form-msg.is-error{display:block;color:var(--danger)}
.form-msg.is-success{display:block;color:var(--success)}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;
  margin-top:40px;
  padding:62px 0 26px;
  background:var(--bg-0);
  border-top:1px solid var(--line);
}
.site-footer::before{
  content:"";
  position:absolute;
  left:0;right:0;top:-1px;
  height:1px;
  background:linear-gradient(90deg,transparent,var(--brand) 30%,var(--brand-2) 70%,transparent);
  opacity:.85;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:40px;
}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p{
  font-size:13.5px;
  line-height:1.85;
  color:var(--text-2);
  max-width:330px;
}
.footer-title{
  font-size:14px;
  font-weight:800;
  letter-spacing:.06em;
  color:var(--text-0);
  margin-bottom:16px;
}
.footer-links li{margin-bottom:10px}
.footer-links a{
  font-size:13.5px;
  color:var(--text-2);
  transition:color var(--t),padding-left var(--t);
}
.footer-links a:hover{color:var(--brand);padding-left:3px}
.footer-contact li{
  font-size:13.5px;
  line-height:1.85;
  color:var(--text-2);
  margin-bottom:10px;
}
.footer-contact strong{color:var(--text-1);font-weight:600}
.footer-bottom{
  margin-top:44px;
  padding-top:22px;
  border-top:1px solid var(--line);
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:12.5px;
  color:var(--text-2);
}

/* ============ 响应式 ============ */
@media (max-width:1200px){
  .article-layout{grid-template-columns:minmax(0,1fr) 270px;gap:34px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:34px}
}
@media (max-width:992px){
  .main-nav{display:none}
  .nav-toggle{display:inline-flex}
  .mobile-drawer{display:block}
  .header-actions .btn{display:none}
  .article-layout{grid-template-columns:1fr;gap:28px}
  .article-side{position:static}
  .article-body{padding:32px 28px;max-width:100%}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
  .section{padding:60px 0}
  .cta-bar{padding:36px 30px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .footer-brand{grid-column:1 / -1}
  .footer-brand p{max-width:100%}
}
@media (max-width:768px){
  .container{padding:0 20px}
  .header-inner{height:66px}
  .mobile-drawer{inset:66px 0 0 0}
  .logo-text{font-size:16px}
  .article-title{font-size:clamp(26px,6.4vw,34px)}
  .article-body{padding:26px 20px;font-size:15.5px;border-radius:16px}
  .article-body h2{font-size:23px;padding-left:12px}
  .article-body h3{font-size:19px}
  .section{padding:52px 0}
  .cta-bar{padding:30px 22px;border-radius:18px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 180px}
  .badge-lg{height:28px;font-size:12px}
}
@media (max-width:576px){
  .container{padding:0 16px}
  .card-grid{grid-template-columns:1fr}
  .post-title{font-size:18px}
  .article-meta{gap:8px 16px;font-size:12.5px}
  .breadcrumb{font-size:12px}
  .breadcrumb .current{max-width:34ch}
  .modal{padding:14px}
  .modal-panel{padding:24px 20px;border-radius:16px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .empty-state{padding:44px 20px}
  .empty-state h2{font-size:20px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.01ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.01ms !important;
    scroll-behavior:auto !important;
  }
}

/* roulang page: category2 */
:root{
  --bg-0:#070A0F;--bg-1:#0C111A;--bg-2:#101826;
  --panel:#0F1622;--panel-2:#141E2E;
  --line:rgba(255,255,255,.08);--line-strong:rgba(0,229,199,.35);
  --text-0:#F2F7FF;--text-1:#B8C4D9;--text-2:#7E8CA3;
  --brand:#00E5C7;--brand-2:#7C5CFF;--accent:#FFB020;--danger:#FF4D6D;--success:#20D68B;
  --radius-s:10px;--radius:16px;--radius-l:20px;
  --shadow:0 12px 34px rgba(0,0,0,.38);
  --ease:200ms ease-out;
  --max:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.75;color:var(--text-1);
  background:
    radial-gradient(900px 480px at 12% -6%,rgba(0,229,199,.10),transparent 60%),
    radial-gradient(760px 420px at 92% 4%,rgba(124,92,255,.12),transparent 62%),
    linear-gradient(180deg,var(--bg-0) 0%,var(--bg-1) 46%,var(--bg-2) 100%);
  background-attachment:fixed;
  overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background-image:
    linear-gradient(rgba(255,255,255,.032) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.032) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(circle at 50% 18%,#000 0%,transparent 78%);
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color var(--ease),border-color var(--ease),background-color var(--ease)}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;color:var(--text-0);font-weight:800;letter-spacing:-.02em;line-height:1.2}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px;position:relative;z-index:1}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(7,10,15,.92);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(255,255,255,.06);
}
.site-header::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;
  background:linear-gradient(90deg,transparent,var(--brand),var(--brand-2),transparent);
  opacity:.75;
}
.header-inner{display:flex;align-items:center;gap:26px;height:72px}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--brand),var(--brand-2));
  color:#04120F;font-weight:800;font-size:17px;
  box-shadow:0 0 18px rgba(0,229,199,.35);
}
.logo-text{font-size:18px;font-weight:800;color:var(--text-0);letter-spacing:-.01em;display:inline-flex;align-items:center;gap:6px}
.logo-badge{
  font-size:11px;font-weight:700;letter-spacing:.06em;color:var(--brand);
  border:1px solid var(--line-strong);border-radius:999px;padding:2px 8px;line-height:1.5;
}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto;flex-wrap:nowrap}
.nav-link{
  position:relative;padding:10px 14px;font-size:15px;color:var(--text-1);border-radius:8px;
  white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;
  background:var(--brand);opacity:0;transition:opacity var(--ease)
}
.nav-link:hover{color:var(--text-0);background:rgba(255,255,255,.04)}
.nav-link.is-active{color:var(--brand);box-shadow:0 0 14px rgba(0,229,199,.35)}
.nav-link.is-active::after{opacity:1}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:16px}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--line);
  background:rgba(255,255,255,.04);cursor:pointer;padding:0;place-items:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text-0);border-radius:2px;margin:3px auto;transition:transform var(--ease),opacity var(--ease)}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-5px) rotate(-45deg)}
.mobile-drawer{
  display:none;position:fixed;inset:72px 0 0 0;z-index:70;
  background:rgba(6,9,14,.985);padding:26px 22px 40px;overflow-y:auto;
  border-top:1px solid var(--line);
}
.mobile-drawer.is-open{display:block;animation:drawerIn .22s ease-out}
@keyframes drawerIn{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:none}}
.mobile-drawer .nav-link{display:block;font-size:20px;padding:16px 12px;border-radius:12px;border-bottom:1px solid var(--line)}
.mobile-drawer .nav-link::after{display:none}
.mobile-drawer .nav-link.is-active{background:rgba(0,229,199,.08)}
.drawer-cta{margin-top:22px}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:12px;font-size:15px;font-weight:700;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform var(--ease),box-shadow var(--ease),background-color var(--ease),border-color var(--ease),color var(--ease)
}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-main{background:var(--brand);color:#03110F}
.btn-main:hover{filter:brightness(1.08);box-shadow:0 0 18px rgba(0,229,199,.35);transform:translateY(-1px)}
.btn-ghost{background:transparent;border-color:rgba(124,92,255,.65);color:var(--text-0)}
.btn-ghost:hover{background:rgba(124,92,255,.14);transform:translateY(-1px)}
.btn-line{background:transparent;border-color:var(--line-strong);color:var(--brand)}
.btn-line:hover{background:rgba(0,229,199,.1)}
.btn[disabled],.btn.is-disabled{opacity:.5;pointer-events:none}
.link-more{color:var(--brand);font-weight:600;font-size:14px;display:inline-flex;align-items:center;gap:6px}
.link-more:hover{color:var(--brand-2);text-decoration:underline}

/* ============ 通用板块 ============ */
.section{padding:76px 0}
.section-tight{padding:56px 0}
.section-head{max-width:760px;margin-bottom:36px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.14em;
  color:var(--brand);text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:linear-gradient(90deg,var(--brand),transparent)}
.section-title{font-size:38px;line-height:1.2}
.section-desc{margin-top:14px;color:var(--text-1);font-size:16px}
.breadcrumb{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-2);padding-top:22px}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{width:14px;height:1px;background:var(--line);display:inline-block}

/* ============ 首屏 ============ */
.page-hero{padding:34px 0 58px;position:relative}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:44px;align-items:center;margin-top:20px}
.hero-title{font-size:52px;line-height:1.12}
.hero-title .hl{
  background:linear-gradient(100deg,var(--brand),var(--brand-2));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{margin-top:18px;font-size:17px;color:var(--text-1);max-width:560px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.tag{
  font-size:13px;padding:6px 13px;border-radius:999px;color:var(--text-1);
  border:1px solid var(--line);background:rgba(255,255,255,.03);
}
.tag.is-brand{color:var(--brand);border-color:var(--line-strong);background:rgba(0,229,199,.07)}
.tag.is-purple{color:#B9A6FF;border-color:rgba(124,92,255,.4);background:rgba(124,92,255,.1)}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-visual{position:relative;border-radius:var(--radius-l);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow)}
.hero-visual img{width:100%;aspect-ratio:16/11;object-fit:cover}
.hero-visual::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(200deg,rgba(7,10,15,.18) 0%,rgba(7,10,15,.82) 78%);
}
.hero-visual-caption{
  position:absolute;left:22px;right:22px;bottom:20px;z-index:2;
  font-size:14px;color:var(--text-0);font-weight:600;
}
.hero-visual-caption span{display:block;font-weight:400;font-size:13px;color:var(--text-1);margin-top:6px}

/* ============ 左右布局主体 ============ */
.split{display:grid;grid-template-columns:268px minmax(0,1fr);gap:44px;align-items:start}
.side-nav{position:sticky;top:96px;display:flex;flex-direction:column;gap:22px}
.side-card{
  background:linear-gradient(180deg,rgba(255,255,255,.045),rgba(255,255,255,.018));
  border:1px solid var(--line);border-radius:var(--radius);padding:22px 20px;box-shadow:var(--shadow);
}
.side-title{font-size:13px;letter-spacing:.14em;color:var(--text-2);font-weight:700;margin-bottom:14px}
.side-list{display:flex;flex-direction:column;gap:2px}
.side-list a{
  display:block;padding:10px 12px;border-radius:10px;font-size:14.5px;color:var(--text-1);
  border-left:2px solid transparent;
}
.side-list a:hover{color:var(--text-0);background:rgba(255,255,255,.045);border-left-color:var(--line-strong)}
.side-list a.is-current{color:var(--brand);background:rgba(0,229,199,.08);border-left-color:var(--brand)}
.side-note{font-size:13px;color:var(--text-2);line-height:1.7}
.side-cta{display:flex;flex-direction:column;gap:12px}
.side-cta .btn{width:100%}

.content-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:22px}
.content-head h2{font-size:30px}
.content-head p{color:var(--text-2);font-size:14px;margin-top:8px}
.entry-list{display:flex;flex-direction:column;gap:20px}
.entry-card{
  display:grid;grid-template-columns:236px minmax(0,1fr);gap:22px;padding:18px;
  background:linear-gradient(180deg,rgba(255,255,255,.045),rgba(255,255,255,.018));
  border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.entry-card:hover{transform:translateY(-2px);border-color:var(--line-strong);box-shadow:0 0 22px rgba(0,229,199,.18)}
.entry-thumb{border-radius:12px;overflow:hidden;border:1px solid var(--line);position:relative}
.entry-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform 320ms ease-out}
.entry-card:hover .entry-thumb img{transform:scale(1.04)}
.entry-body{display:flex;flex-direction:column;gap:10px;padding:4px 4px 4px 0}
.entry-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.badge{
  font-size:12px;font-weight:700;padding:4px 10px;border-radius:999px;
  color:var(--brand);background:rgba(0,229,199,.1);border:1px solid var(--line-strong);
}
.badge.badge-purple{color:#B9A6FF;background:rgba(124,92,255,.12);border-color:rgba(124,92,255,.42)}
.badge.badge-amber{color:var(--accent);background:rgba(255,176,32,.1);border-color:rgba(255,176,32,.38)}
.entry-date{font-size:12.5px;color:var(--text-2)}
.entry-card h3{font-size:21px;line-height:1.35}
.entry-card p{font-size:14.5px;color:var(--text-1);margin:0}
.entry-points{display:flex;flex-wrap:wrap;gap:8px;margin-top:2px}
.entry-points li{
  font-size:12.5px;color:var(--text-2);border:1px solid var(--line);border-radius:8px;padding:3px 9px;
}
.entry-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:14px;padding-top:6px}
.pager{display:flex;gap:10px;align-items:center;margin-top:34px}
.pager button{
  min-width:40px;height:40px;border-radius:10px;border:1px solid var(--line);background:rgba(255,255,255,.03);
  color:var(--text-1);cursor:pointer;font-size:14px;
}
.pager button.is-active{color:var(--brand);border-color:var(--line-strong);background:rgba(0,229,199,.1)}
.pager button:hover{color:var(--text-0);border-color:var(--line-strong)}

/* ============ 能力带 ============ */
.strip{
  border:1px solid var(--line);border-radius:var(--radius-l);padding:30px 28px;
  background:
    linear-gradient(180deg,rgba(255,255,255,.04),rgba(255,255,255,.015)),
    radial-gradient(600px 200px at 100% 0%,rgba(124,92,255,.14),transparent 70%);
}
.strip-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.strip-item{display:flex;gap:14px}
.strip-icon{
  width:42px;height:42px;flex:0 0 42px;border-radius:12px;display:grid;place-items:center;
  background:rgba(0,229,199,.1);border:1px solid var(--line-strong);color:var(--brand);font-weight:800;
}
.strip-item h3{font-size:17px;margin-bottom:6px}
.strip-item p{font-size:14px;color:var(--text-1);margin:0}

/* ============ 流程 ============ */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:8px}
.flow-step{
  position:relative;padding:26px 22px;border-radius:var(--radius);
  border:1px solid var(--line);background:linear-gradient(180deg,rgba(255,255,255,.04),rgba(255,255,255,.015));
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.flow-step:hover{transform:translateY(-2px);border-color:var(--line-strong);box-shadow:0 0 22px rgba(0,229,199,.16)}
.flow-num{font-size:30px;font-weight:800;color:var(--brand);letter-spacing:-.02em;line-height:1}
.flow-step h3{font-size:19px;margin:14px 0 10px}
.flow-step p{font-size:14px;color:var(--text-1);margin:0}

/* ============ 数据 ============ */
.data-band{
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  background:
    linear-gradient(180deg,rgba(16,24,38,.9),rgba(12,17,26,.9)),
    linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);
  background-size:auto,52px 52px,52px 52px;
  padding:54px 0;
}
.data-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:left}
.data-num{font-size:44px;font-weight:800;letter-spacing:-.03em;line-height:1.05;color:var(--brand)}
.data-num.is-purple{color:#B9A6FF}
.data-num.is-amber{color:var(--accent)}
.data-label{font-size:14px;color:var(--text-1);margin-top:8px}
.data-note{font-size:12px;color:var(--text-2);margin-top:18px}

/* ============ 引用 ============ */
.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.quote-card{
  padding:26px 24px;border-radius:var(--radius);border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(255,255,255,.04),rgba(255,255,255,.015));
  display:flex;flex-direction:column;gap:16px;
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.quote-card:hover{transform:translateY(-2px);border-color:var(--line-strong);box-shadow:0 0 22px rgba(0,229,199,.15)}
.quote-card blockquote{margin:0;border-left:3px solid var(--brand);padding-left:14px;font-size:15px;color:var(--text-0);line-height:1.75}
.quote-from{font-size:13px;color:var(--text-2);margin-top:auto}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:900px}
.faq-item{border:1px solid var(--line);border-radius:var(--radius);background:rgba(255,255,255,.025);overflow:hidden}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 22px;background:none;border:0;cursor:pointer;text-align:left;
  font-size:18px;font-weight:600;color:var(--text-0);line-height:1.5;
}
.faq-q:hover{color:var(--brand)}
.faq-icon{
  flex:0 0 26px;width:26px;height:26px;border-radius:8px;border:1px solid var(--line);
  display:grid;place-items:center;color:var(--brand);font-size:16px;transition:transform var(--ease)
}
.faq-item.is-open .faq-icon{transform:rotate(45deg)}
.faq-a{display:none;padding:0 22px 20px;font-size:15px;color:var(--text-1);line-height:1.7;border-left:3px solid transparent}
.faq-item.is-open .faq-a{display:block;border-left-color:var(--brand);margin-left:0;padding-left:22px}

/* ============ CTA 条 ============ */
.cta-band{
  border:1px solid var(--line-strong);border-radius:var(--radius-l);padding:44px 40px;
  background:
    radial-gradient(600px 240px at 0% 0%,rgba(0,229,199,.16),transparent 65%),
    radial-gradient(520px 240px at 100% 100%,rgba(124,92,255,.18),transparent 65%),
    linear-gradient(180deg,var(--panel),var(--panel-2));
  display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap;
  box-shadow:var(--shadow);
}
.cta-band h2{font-size:32px}
.cta-band p{color:var(--text-1);margin-top:10px;font-size:15px;max-width:560px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:20px;padding:60px 0 26px;position:relative;z-index:1;
  background:var(--bg-0);border-top:1px solid var(--line);
}
.site-footer::before{
  content:"";position:absolute;top:-1px;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,var(--brand),var(--brand-2),transparent);opacity:.7;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px}
.footer-brand p{font-size:14px;color:var(--text-2);margin-top:16px;max-width:340px;line-height:1.8}
.footer-title{font-size:14px;font-weight:700;color:var(--text-0);margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:var(--text-2)}
.footer-links a:hover{color:var(--brand)}
.footer-contact{display:flex;flex-direction:column;gap:10px;font-size:14px;color:var(--text-2)}
.footer-contact strong{color:var(--text-1);font-weight:600}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--text-2);
}

/* ============ 弹层表单 ============ */
.modal{position:fixed;inset:0;z-index:120;display:none}
.modal.is-open{display:block}
.modal-mask{position:absolute;inset:0;background:rgba(3,6,12,.72);backdrop-filter:blur(3px)}
.modal-panel{
  position:relative;z-index:2;width:min(560px,92%);max-height:88vh;overflow-y:auto;
  margin:6vh auto;padding:30px 28px;border-radius:20px;
  background:linear-gradient(180deg,var(--panel),var(--panel-2));
  border:1px solid var(--line-strong);box-shadow:0 24px 60px rgba(0,0,0,.55);
  animation:panelIn .24s ease-out;
}
@keyframes panelIn{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
.modal-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:8px}
.modal-head h2{font-size:24px}
.modal-head p{font-size:14px;color:var(--text-2);margin-top:8px}
.modal-close{
  width:36px;height:36px;border-radius:10px;border:1px solid var(--line);background:rgba(255,255,255,.04);
  color:var(--text-1);cursor:pointer;font-size:18px;line-height:1;
}
.modal-close:hover{color:var(--brand);border-color:var(--line-strong)}
.form-grid{display:grid;gap:16px;margin-top:22px}
.field label{display:block;font-size:13.5px;color:var(--text-1);margin-bottom:8px}
.field input,.field select,.field textarea{
  width:100%;background:#0B111B;border:1px solid var(--line);border-radius:10px;
  padding:0 14px;color:var(--text-0);transition:border-color var(--ease),box-shadow var(--ease)
}
.field input,.field select{height:44px}
.field textarea{padding:12px 14px;min-height:100px;resize:vertical;line-height:1.7}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(0,229,199,.16)
}
.field input::placeholder,.field textarea::placeholder{color:#5C6A80}
.check{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--text-1)}
.check input{width:18px;height:18px;margin-top:2px;accent-color:var(--brand);flex:0 0 18px}
.form-note{font-size:12.5px;color:var(--text-2);line-height:1.7}
.form-msg{font-size:13px;display:none}
.form-msg.is-error{display:block;color:var(--danger)}
.form-msg.is-success{display:block;color:var(--success)}
.modal-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:6px}
.modal-actions .btn{flex:1 1 180px}

/* ============ 响应式 ============ */
@media (max-width:1200px){
  .hero-title{font-size:46px}
  .section-title{font-size:34px}
  .split{grid-template-columns:240px minmax(0,1fr);gap:32px}
  .strip-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:992px){
  .main-nav{display:none}
  .nav-toggle{display:grid}
  .header-inner{gap:14px}
  .header-actions{margin-left:auto}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-title{font-size:38px}
  .split{grid-template-columns:1fr;gap:26px}
  .side-nav{position:static}
  .flow{grid-template-columns:repeat(2,1fr)}
  .quote-grid{grid-template-columns:1fr}
  .data-grid{grid-template-columns:repeat(2,1fr);gap:30px}
  .entry-card{grid-template-columns:1fr}
  .entry-thumb img{aspect-ratio:16/9}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .cta-band{padding:34px 26px}
  .cta-band h2{font-size:26px}
}
@media (max-width:768px){
  .section{padding:56px 0}
  .container{padding:0 20px}
  .hero-title{font-size:33px}
  .section-title{font-size:28px}
  .content-head h2{font-size:25px}
  .entry-card h3{font-size:19px}
  .data-num{font-size:38px}
  .faq-q{font-size:16.5px;padding:18px}
}
@media (max-width:576px){
  .container{padding:0 16px}
  .logo-text{font-size:16px}
  .logo-badge{display:none}
  .hero-title{font-size:29px}
  .hero-actions .btn{width:100%}
  .strip-grid{grid-template-columns:1fr}
  .flow{grid-template-columns:1fr}
  .data-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column}
  .modal-panel{width:92%;padding:24px 20px}
  .cta-actions .btn{width:100%}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
}

/* roulang page: category3 */
:root{
  --bg-0:#070A0F;
  --bg-1:#0C111A;
  --bg-2:#101826;
  --panel:#0F1622;
  --panel-2:#141E2E;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(0,229,199,.35);
  --text-0:#F2F7FF;
  --text-1:#B8C4D9;
  --text-2:#7E8CA3;
  --brand:#00E5C7;
  --brand-2:#7C5CFF;
  --accent:#FFB020;
  --danger:#FF4D6D;
  --success:#20D68B;
  --radius-s:10px;
  --radius-m:14px;
  --radius-l:18px;
  --shadow:0 12px 34px rgba(0,0,0,.38);
  --shadow-soft:0 6px 20px rgba(0,0,0,.28);
  --glow:0 0 22px rgba(0,229,199,.18);
  --trans:260ms cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text-1);
  background:
    radial-gradient(900px 520px at 82% -8%, rgba(0,229,199,.10), transparent 62%),
    radial-gradient(760px 460px at 6% 6%, rgba(124,92,255,.12), transparent 60%),
    linear-gradient(180deg,var(--bg-0) 0%, var(--bg-1) 42%, var(--bg-2) 100%);
  background-attachment:fixed;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(1200px 700px at 50% 0%, #000 20%, transparent 84%);
  -webkit-mask-image:radial-gradient(1200px 700px at 50% 0%, #000 20%, transparent 84%);
  opacity:.65;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color var(--trans),opacity var(--trans);}
a:hover{color:var(--brand);}
ul,ol{margin:0;padding:0;list-style:none;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
h1,h2,h3,h4{margin:0;color:var(--text-0);font-weight:800;letter-spacing:-.02em;line-height:1.2;}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer;}
input,select,textarea{font:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
main{position:relative;z-index:1;}

/* ============ 顶栏导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:900;
  background:rgba(7,10,15,.92);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.site-header::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-1px;
  height:1px;
  background:linear-gradient(90deg, rgba(0,229,199,0) 0%, rgba(0,229,199,.75) 26%, rgba(124,92,255,.75) 70%, rgba(124,92,255,0) 100%);
}
.header-inner{
  height:72px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.logo-mark{
  width:36px;height:36px;
  display:grid;place-items:center;
  border-radius:10px;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  color:#03110F;
  font-weight:800;
  font-size:18px;
  box-shadow:0 0 18px rgba(0,229,199,.35);
}
.logo-text{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:18px;
  font-weight:800;
  color:var(--text-0);
  letter-spacing:-.01em;
  white-space:nowrap;
}
.logo-badge{
  font-size:11px;
  font-weight:700;
  letter-spacing:.06em;
  padding:2px 7px;
  border-radius:999px;
  color:var(--brand);
  border:1px solid var(--line-strong);
  background:rgba(0,229,199,.08);
}
.main-nav{
  display:flex;
  align-items:center;
  gap:4px;
}
.nav-link{
  position:relative;
  display:inline-block;
  padding:8px 12px;
  font-size:15px;
  color:var(--text-1);
  border-radius:8px;
  white-space:nowrap;
}
.nav-link:hover{color:var(--text-0);background:rgba(255,255,255,.04);}
.nav-link.is-active{color:var(--brand);text-shadow:0 0 14px rgba(0,229,199,.45);}
.nav-link.is-active::after{
  content:"";
  position:absolute;
  left:12px;right:12px;bottom:2px;
  height:2px;
  border-radius:2px;
  background:var(--brand);
  box-shadow:0 0 14px rgba(0,229,199,.55);
}
.header-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:10px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:5px;
}
.nav-toggle span{
  display:block;
  width:20px;height:2px;
  border-radius:2px;
  background:var(--text-0);
  transition:transform var(--trans),opacity var(--trans),background var(--trans);
}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);background:var(--brand);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);background:var(--brand);}

.mobile-drawer{
  position:fixed;
  top:72px;left:0;right:0;bottom:0;
  z-index:880;
  background:rgba(7,10,15,.98);
  border-top:1px solid var(--line);
  padding:28px 24px 48px;
  display:flex;
  flex-direction:column;
  gap:6px;
  transform:translateY(-12px);
  opacity:0;
  visibility:hidden;
  transition:opacity var(--trans),transform var(--trans),visibility var(--trans);
  overflow-y:auto;
}
.mobile-drawer.is-open{opacity:1;visibility:visible;transform:translateY(0);}
.mobile-drawer .nav-link{
  font-size:20px;
  font-weight:700;
  padding:16px 12px;
  border-bottom:1px solid var(--line);
  border-radius:0;
}
.mobile-drawer .nav-link.is-active::after{left:12px;right:auto;width:36px;bottom:8px;}
.mobile-drawer .btn{margin-top:22px;justify-content:center;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 22px;
  border-radius:11px;
  font-size:15px;
  font-weight:700;
  letter-spacing:.01em;
  cursor:pointer;
  transition:transform var(--trans),box-shadow var(--trans),background var(--trans),border-color var(--trans),color var(--trans);
  white-space:nowrap;
}
.btn-primary{
  background:var(--brand);
  color:#03110F;
  box-shadow:0 6px 20px rgba(0,229,199,.22);
}
.btn-primary:hover{
  color:#03110F;
  filter:brightness(1.08);
  box-shadow:0 0 18px rgba(0,229,199,.45);
  transform:translateY(-1px);
}
.btn-secondary{
  background:transparent;
  border:1px solid rgba(124,92,255,.65);
  color:var(--text-0);
}
.btn-secondary:hover{
  color:var(--text-0);
  background:rgba(124,92,255,.14);
  transform:translateY(-1px);
}
.btn-ghost{
  height:auto;
  padding:0;
  color:var(--brand);
  font-weight:700;
  background:none;
}
.btn-ghost:hover{color:var(--brand-2);text-decoration:underline;}
.btn-sm{height:40px;padding:0 16px;font-size:14px;}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;}

/* ============ 通用板块 ============ */
.section{padding:76px 0;position:relative;}
.section-tight{padding:56px 0;}
.section-head{max-width:760px;margin-bottom:40px;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:700;
  letter-spacing:.14em;
  color:var(--brand);
  text-transform:uppercase;
  margin-bottom:16px;
}
.eyebrow::before{
  content:"";
  width:22px;height:1px;
  background:linear-gradient(90deg,var(--brand),var(--brand-2));
}
.section-title{font-size:40px;line-height:1.2;}
.section-desc{margin-top:14px;font-size:16px;color:var(--text-1);}
.divider-neon{
  height:1px;
  background:linear-gradient(90deg, rgba(0,229,199,.5), rgba(124,92,255,.35), transparent);
}

/* ============ Hero ============ */
.page-hero{
  position:relative;
  padding:78px 0 64px;
  overflow:hidden;
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
  opacity:.30;
}
.page-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(100deg, rgba(7,10,15,.96) 0%, rgba(7,10,15,.82) 48%, rgba(16,24,38,.72) 100%);
}
.hero-grid{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:48px;
  align-items:center;
}
.hero-copy h1{
  font-size:54px;
  line-height:1.12;
  margin-bottom:20px;
}
.hero-copy h1 .hl{
  background:linear-gradient(95deg,var(--brand) 10%,var(--brand-2) 92%);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hero-lead{
  font-size:17px;
  color:var(--text-1);
  max-width:560px;
  margin-bottom:28px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;}
.tag{
  display:inline-flex;
  align-items:center;
  font-size:13px;
  padding:5px 12px;
  border-radius:999px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.035);
  color:var(--text-1);
}
.tag-accent{color:var(--brand);border-color:var(--line-strong);background:rgba(0,229,199,.07);}

.hero-visual{
  position:relative;
  border-radius:var(--radius-l);
  border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.015));
  box-shadow:var(--shadow);
  padding:24px;
}
.hero-visual img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  border-radius:12px;
  filter:saturate(.9);
}
.hero-visual .visual-caption{
  margin-top:18px;
  padding-top:16px;
  border-top:1px solid var(--line);
  font-size:14px;
  color:var(--text-2);
}
.visual-badge{
  position:absolute;
  top:-14px;left:24px;
  font-size:12px;
  font-weight:700;
  letter-spacing:.1em;
  padding:6px 12px;
  border-radius:999px;
  color:#03110F;
  background:linear-gradient(120deg,var(--brand),var(--brand-2));
  box-shadow:0 0 20px rgba(0,229,199,.35);
}

/* ============ 观察维度 ============ */
.dimension-list{display:grid;gap:16px;}
.dimension-item{
  display:grid;
  grid-template-columns:88px 1fr auto;
  align-items:center;
  gap:24px;
  padding:24px 26px;
  border-radius:var(--radius-m);
  border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(255,255,255,.045),rgba(255,255,255,.015));
  box-shadow:var(--shadow-soft);
  transition:transform var(--trans),border-color var(--trans),box-shadow var(--trans);
}
.dimension-item:hover{
  transform:translateY(-2px);
  border-color:var(--line-strong);
  box-shadow:var(--shadow),var(--glow);
}
.dimension-index{
  font-size:30px;
  font-weight:800;
  letter-spacing:-.02em;
  color:transparent;
  background:linear-gradient(140deg,var(--brand),var(--brand-2));
  -webkit-background-clip:text;
  background-clip:text;
}
.dimension-body h3{font-size:22px;margin-bottom:6px;}
.dimension-body p{font-size:15px;color:var(--text-1);margin:0;}
.dimension-meta{
  font-size:13px;
  color:var(--text-2);
  white-space:nowrap;
  padding:6px 12px;
  border-radius:999px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
}

/* ============ 步骤轴 ============ */
.steps-wrap{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
  position:relative;
}
.steps-wrap::before{
  content:"";
  position:absolute;
  top:34px;left:8%;right:8%;
  height:1px;
  background:linear-gradient(90deg, rgba(0,229,199,.55), rgba(124,92,255,.5), rgba(0,229,199,.15));
  z-index:0;
}
.step-card{
  position:relative;
  z-index:1;
  padding:30px 26px 28px;
  border-radius:var(--radius-l);
  border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(20,30,46,.92),rgba(12,17,26,.92));
  box-shadow:var(--shadow);
  transition:transform var(--trans),border-color var(--trans),box-shadow var(--trans);
}
.step-card:hover{
  transform:translateY(-3px);
  border-color:var(--line-strong);
  box-shadow:var(--shadow),var(--glow);
}
.step-num{
  width:56px;height:56px;
  display:grid;place-items:center;
  border-radius:16px;
  font-size:20px;
  font-weight:800;
  color:#03110F;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  box-shadow:0 0 22px rgba(0,229,199,.28);
  margin-bottom:20px;
}
.step-card:nth-child(2) .step-num{background:linear-gradient(135deg,var(--brand-2),#4B7BFF);color:#F2F7FF;}
.step-card:nth-child(3) .step-num{background:linear-gradient(135deg,var(--accent),#FF7A45);color:#1A1103;}
.step-card h3{font-size:22px;margin-bottom:10px;}
.step-card p{font-size:15px;color:var(--text-1);}
.step-points{margin-top:16px;display:grid;gap:10px;}
.step-points li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:14px;
  color:var(--text-1);
}
.step-points li::before{
  content:"";
  flex:0 0 auto;
  width:16px;height:16px;
  margin-top:4px;
  border-radius:5px;
  border:1px solid var(--line-strong);
  background:
    linear-gradient(45deg, transparent 42%, var(--brand) 42%, var(--brand) 58%, transparent 58%) no-repeat,
    rgba(0,229,199,.08);
}

/* ============ 数据带 ============ */
.data-band{
  background:linear-gradient(180deg,var(--bg-2),rgba(12,17,26,.96));
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  position:relative;
}
.data-band::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px);
  background-size:44px 44px;
  opacity:.5;
  pointer-events:none;
}
.data-grid{
  position:relative;
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:22px;
}
.data-item{
  padding:28px 24px;
  border-radius:var(--radius-m);
  border:1px solid var(--line);
  background:rgba(15,22,34,.72);
  transition:border-color var(--trans),box-shadow var(--trans),transform var(--trans);
}
.data-item:hover{border-color:var(--line-strong);box-shadow:var(--glow);transform:translateY(-2px);}
.data-num{
  font-size:44px;
  font-weight:800;
  line-height:1.05;
  letter-spacing:-.03em;
  color:var(--brand);
  text-shadow:0 0 24px rgba(0,229,199,.28);
}
.data-item:nth-child(2) .data-num{color:var(--brand-2);text-shadow:0 0 24px rgba(124,92,255,.3);}
.data-item:nth-child(3) .data-num{color:var(--accent);text-shadow:0 0 24px rgba(255,176,32,.24);}
.data-label{margin-top:10px;font-size:14px;color:var(--text-1);}
.data-source{
  position:relative;
  margin-top:26px;
  font-size:12px;
  color:var(--text-2);
  line-height:1.6;
}

/* ============ 议题图文 ============ */
.topic-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:22px;
}
.topic-card{
  display:grid;
  grid-template-columns:180px 1fr;
  gap:20px;
  padding:18px;
  border-radius:var(--radius-l);
  border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(255,255,255,.045),rgba(255,255,255,.015));
  box-shadow:var(--shadow-soft);
  transition:transform var(--trans),border-color var(--trans),box-shadow var(--trans);
}
.topic-card:hover{
  transform:translateY(-2px);
  border-color:var(--line-strong);
  box-shadow:var(--shadow),var(--glow);
}
.topic-card img{
  width:100%;
  height:100%;
  min-height:132px;
  object-fit:cover;
  border-radius:12px;
}
.topic-body{display:flex;flex-direction:column;gap:8px;}
.topic-body h3{font-size:20px;line-height:1.35;}
.topic-body p{font-size:14px;color:var(--text-1);margin:0;}
.topic-meta{margin-top:auto;font-size:12px;color:var(--text-2);display:flex;align-items:center;gap:10px;}
.topic-meta .dot{width:5px;height:5px;border-radius:50%;background:var(--brand);box-shadow:0 0 8px rgba(0,229,199,.6);}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:14px;}
.faq-item{
  border:1px solid var(--line);
  border-left:3px solid transparent;
  border-radius:var(--radius-m);
  background:linear-gradient(180deg,rgba(255,255,255,.04),rgba(255,255,255,.012));
  overflow:hidden;
  transition:border-color var(--trans),background var(--trans);
}
.faq-item.is-open{
  border-color:var(--line-strong);
  border-left-color:var(--brand);
  background:linear-gradient(180deg,rgba(0,229,199,.06),rgba(255,255,255,.012));
}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:20px 22px;
  text-align:left;
  font-size:18px;
  font-weight:700;
  color:var(--text-0);
  line-height:1.5;
}
.faq-q .chev{
  flex:0 0 auto;
  width:26px;height:26px;
  display:grid;place-items:center;
  border-radius:8px;
  border:1px solid var(--line);
  color:var(--brand);
  font-size:14px;
  transition:transform var(--trans),background var(--trans);
}
.faq-item.is-open .chev{transform:rotate(45deg);background:rgba(0,229,199,.14);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height 320ms ease;
}
.faq-a-inner{
  padding:0 22px 22px;
  font-size:15px;
  line-height:1.75;
  color:var(--text-1);
}

/* ============ CTA ============ */
.cta-band{
  position:relative;
  border-radius:var(--radius-l);
  border:1px solid var(--line-strong);
  background:
    radial-gradient(560px 240px at 12% 0%, rgba(0,229,199,.14), transparent 68%),
    radial-gradient(560px 240px at 92% 100%, rgba(124,92,255,.16), transparent 68%),
    linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.015));
  box-shadow:var(--shadow),0 0 40px rgba(0,229,199,.08);
  padding:44px 42px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
  overflow:hidden;
}
.cta-band h2{font-size:32px;margin-bottom:10px;}
.cta-band p{font-size:15px;color:var(--text-1);margin:0;max-width:620px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ============ 表单弹层 ============ */
.modal{
  position:fixed;
  inset:0;
  z-index:1000;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:24px;
  background:rgba(3,6,12,.72);
  backdrop-filter:blur(4px);
  -webkit-backdrop-filter:blur(4px);
  opacity:0;
  visibility:hidden;
  transition:opacity var(--trans),visibility var(--trans);
}
.modal.is-open{opacity:1;visibility:visible;}
.modal-panel{
  width:100%;
  max-width:560px;
  max-height:90vh;
  overflow-y:auto;
  border-radius:var(--radius-l);
  border:1px solid var(--line-strong);
  background:linear-gradient(180deg,#101826,#0B111B);
  box-shadow:0 26px 70px rgba(0,0,0,.6);
  padding:30px 28px 26px;
  transform:translateY(12px);
  transition:transform var(--trans);
}
.modal.is-open .modal-panel{transform:translateY(0);}
.modal-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:20px;}
.modal-head h3{font-size:24px;}
.modal-head p{margin-top:8px;font-size:14px;color:var(--text-2);}
.modal-close{
  flex:0 0 auto;
  width:36px;height:36px;
  border-radius:10px;
  border:1px solid var(--line);
  color:var(--text-1);
  font-size:18px;
  display:grid;place-items:center;
  transition:color var(--trans),border-color var(--trans),background var(--trans);
}
.modal-close:hover{color:var(--brand);border-color:var(--line-strong);background:rgba(0,229,199,.08);}
.field{margin-bottom:16px;}
.field label{display:block;font-size:14px;font-weight:600;color:var(--text-0);margin-bottom:8px;}
.field .req{color:var(--danger);margin-left:4px;}
.input,.select,.textarea{
  width:100%;
  min-height:44px;
  padding:11px 14px;
  border-radius:10px;
  border:1px solid var(--line);
  background:#0B111B;
  color:var(--text-0);
  font-size:15px;
  transition:border-color var(--trans),box-shadow var(--trans);
}
.textarea{min-height:104px;resize:vertical;line-height:1.6;}
.input::placeholder,.textarea::placeholder{color:#5E6B80;}
.input:focus,.select:focus,.textarea:focus{
  outline:none;
  border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(0,229,199,.14),0 0 16px rgba(0,229,199,.18);
}
.check-row{display:flex;align-items:flex-start;gap:10px;margin:6px 0 4px;}
.check-row input{width:18px;height:18px;margin-top:3px;accent-color:var(--brand);}
.check-row label{font-size:13px;color:var(--text-1);line-height:1.6;font-weight:400;}
.form-note{margin-top:14px;font-size:12.5px;line-height:1.7;color:var(--text-2);}
.form-status{margin-top:12px;font-size:13px;display:none;}
.form-status.is-error{display:block;color:var(--danger);}
.form-status.is-success{display:block;color:var(--success);}
.modal .btn-primary{width:100%;margin-top:8px;}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;
  background:var(--bg-0);
  border-top:1px solid var(--line);
  padding:64px 0 28px;
  margin-top:40px;
}
.site-footer::before{
  content:"";
  position:absolute;
  top:-1px;left:0;right:0;
  height:1px;
  background:linear-gradient(90deg, rgba(0,229,199,0), rgba(0,229,199,.7) 30%, rgba(124,92,255,.7) 72%, rgba(124,92,255,0));
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1.1fr 1fr;
  gap:38px;
  padding-bottom:38px;
  border-bottom:1px solid var(--line);
}
.footer-brand p{margin-top:16px;font-size:14px;color:var(--text-2);max-width:340px;line-height:1.8;}
.footer-title{
  font-size:15px;
  font-weight:700;
  color:var(--text-0);
  margin-bottom:16px;
}
.footer-links li,.footer-contact li{margin-bottom:11px;font-size:14px;color:var(--text-1);}
.footer-links a{color:var(--text-1);}
.footer-links a:hover{color:var(--brand);}
.footer-contact strong{color:var(--text-2);font-weight:600;margin-right:4px;}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding-top:22px;
  font-size:13px;
  color:var(--text-2);
}

/* ============ 响应式 ============ */
@media (max-width:1280px){
  .hero-copy h1{font-size:48px;}
  .section-title{font-size:36px;}
}
@media (max-width:1200px){
  .main-nav{gap:0;}
  .nav-link{padding:8px 9px;font-size:14px;}
  .hero-grid{gap:36px;}
}
@media (max-width:1024px){
  .main-nav{display:none;}
  .nav-toggle{display:flex;}
  .hero-grid{grid-template-columns:1fr;gap:34px;}
  .hero-copy h1{font-size:42px;}
  .steps-wrap{grid-template-columns:1fr;}
  .steps-wrap::before{display:none;}
  .data-grid{grid-template-columns:repeat(2,1fr);}
  .topic-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media (max-width:768px){
  .container{padding:0 20px;}
  .section{padding:58px 0;}
  .section-title{font-size:30px;}
  .hero-copy h1{font-size:34px;}
  .page-hero{padding:56px 0 44px;}
  .dimension-item{grid-template-columns:1fr;gap:14px;padding:22px;}
  .dimension-index{font-size:26px;}
  .dimension-meta{white-space:normal;}
  .topic-card{grid-template-columns:1fr;}
  .topic-card img{aspect-ratio:16/10;min-height:0;}
  .cta-band{padding:32px 24px;}
  .cta-band h2{font-size:26px;}
  .data-num{font-size:38px;}
  .modal{padding:16px;}
  .modal-panel{max-width:92%;padding:24px 20px 22px;}
}
@media (max-width:576px){
  .container{padding:0 16px;}
  .logo-text{font-size:16px;}
  .hero-copy h1{font-size:30px;}
  .hero-actions .btn{width:100%;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .data-grid{grid-template-columns:1fr 1fr;gap:14px;}
  .data-item{padding:22px 18px;}
  .data-num{font-size:32px;}
  .faq-q{font-size:16px;padding:18px;}
  .faq-a-inner{padding:0 18px 18px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category4 */
:root{
  --bg-0:#070A0F;--bg-1:#0C111A;--bg-2:#101826;
  --panel:#0F1622;--panel-2:#141E2E;
  --line:rgba(255,255,255,.08);--line-strong:rgba(0,229,199,.35);
  --text-0:#F2F7FF;--text-1:#B8C4D9;--text-2:#7E8CA3;
  --brand:#00E5C7;--brand-2:#7C5CFF;--accent:#FFB020;
  --success:#20D68B;--danger:#FF4D6D;
  --radius:16px;--radius-sm:12px;--radius-xs:10px;
  --shadow:0 12px 34px rgba(0,0,0,.38);
  --glow:0 0 22px rgba(0,229,199,.18);
  --maxw:1200px;
  --t:240ms cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;padding:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.75;color:var(--text-1);
  background:
    radial-gradient(900px 520px at 12% -6%,rgba(0,229,199,.10),transparent 62%),
    radial-gradient(760px 460px at 92% 4%,rgba(124,92,255,.12),transparent 60%),
    linear-gradient(180deg,var(--bg-0) 0%,var(--bg-1) 46%,var(--bg-2) 100%);
  background-attachment:fixed;
  min-height:100vh;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color var(--t)}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;color:var(--text-0);font-weight:800;letter-spacing:-.02em;line-height:1.25}
p{margin:0 0 1em}
ul{margin:0;padding:0;list-style:none}
::selection{background:rgba(0,229,199,.28);color:#fff}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px;width:100%}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 22px;border-radius:var(--radius-xs);
  border:1px solid transparent;cursor:pointer;font-size:15px;font-weight:700;letter-spacing:0;transition:all var(--t);white-space:nowrap}
.btn-primary{background:var(--brand);color:#03110F;box-shadow:0 6px 20px rgba(0,229,199,.16)}
.btn-primary:hover{filter:brightness(1.08);box-shadow:0 0 18px rgba(0,229,199,.35)}
.btn-ghost{background:transparent;border-color:rgba(124,92,255,.65);color:var(--text-0)}
.btn-ghost:hover{background:rgba(124,92,255,.14);border-color:rgba(124,92,255,.9)}
.btn-text{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-weight:700;font-size:14px;background:none;border:0;padding:0;cursor:pointer}
.btn-text:hover{color:var(--brand-2);text-decoration:underline}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none}

/* ---------- 头部导航 ---------- */
.site-header{position:sticky;top:0;z-index:80;background:rgba(7,10,15,.92);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.site-header::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;
  background:linear-gradient(90deg,transparent,rgba(0,229,199,.75),rgba(124,92,255,.75),transparent)}
.header-inner{display:flex;align-items:center;gap:20px;height:72px}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;font-weight:800;font-size:17px;color:#03110F;
  background:linear-gradient(135deg,var(--brand),#4fe0c0);box-shadow:0 0 16px rgba(0,229,199,.35)}
.logo-text{font-size:17px;font-weight:800;color:var(--text-0);letter-spacing:-.01em;display:inline-flex;align-items:center;gap:6px}
.logo-badge{font-size:11px;font-weight:700;padding:2px 7px;border-radius:999px;color:var(--brand);
  border:1px solid rgba(0,229,199,.45);background:rgba(0,229,199,.08);letter-spacing:0}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{position:relative;padding:10px 12px;font-size:14.5px;font-weight:600;color:var(--text-1);border-radius:8px}
.nav-link::after{content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;background:transparent;transition:all var(--t)}
.nav-link:hover{color:var(--text-0);background:rgba(255,255,255,.04)}
.nav-link.is-active{color:var(--brand);text-shadow:0 0 14px rgba(0,229,199,.45)}
.nav-link.is-active::after{background:var(--brand);box-shadow:0 0 14px rgba(0,229,199,.45)}
.nav-cta{margin-left:12px}
.nav-toggle{display:none;width:44px;height:44px;border-radius:10px;border:1px solid var(--line);background:rgba(255,255,255,.03);
  cursor:pointer;position:relative;flex-shrink:0}
.nav-toggle span{position:absolute;left:12px;right:12px;height:2px;background:var(--text-0);border-radius:2px;transition:all var(--t)}
.nav-toggle span:nth-child(1){top:15px}
.nav-toggle span:nth-child(2){top:21px}
.nav-toggle span:nth-child(3){top:27px}
.nav-toggle.is-open span:nth-child(1){top:21px;transform:rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){top:21px;transform:rotate(-45deg)}
.mobile-drawer{position:fixed;inset:72px 0 0;z-index:70;background:rgba(5,8,13,.98);border-top:1px solid var(--line);
  padding:26px 24px 40px;display:none;flex-direction:column;gap:8px;overflow-y:auto}
.mobile-drawer.is-open{display:flex}
.drawer-link{font-size:22px;font-weight:800;color:var(--text-0);padding:14px 4px;border-bottom:1px solid var(--line)}
.drawer-link.is-active{color:var(--brand);text-shadow:0 0 16px rgba(0,229,199,.5)}
.drawer-cta{margin-top:18px}

/* ---------- 页面头部 ---------- */
.page-hero{position:relative;padding:64px 0 48px;border-bottom:1px solid var(--line);overflow:hidden}
.page-hero::before{content:"";position:absolute;inset:0;background:url("/assets/images/backpic/back-1.webp") center/cover no-repeat;
  opacity:.20;filter:saturate(.8)}
.page-hero::after{content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(7,10,15,.96) 0%,rgba(7,10,15,.82) 48%,rgba(7,10,15,.94) 100%)}
.hero-inner{position:relative;z-index:2;max-width:820px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;letter-spacing:.12em;color:var(--brand);
  padding:6px 12px;border-radius:999px;border:1px solid rgba(0,229,199,.35);background:rgba(0,229,199,.07);margin-bottom:18px}
.hero-title{font-size:clamp(30px,4.6vw,54px);line-height:1.14;margin-bottom:16px}
.hero-title .hl{color:var(--brand);text-shadow:0 0 26px rgba(0,229,199,.35)}
.hero-lead{font-size:16.5px;color:var(--text-1);max-width:720px;margin-bottom:26px}
.search-box{display:flex;gap:10px;max-width:620px;flex-wrap:wrap}
.search-input{flex:1 1 260px;height:50px;border-radius:var(--radius-xs);background:#0B111B;border:1px solid var(--line);
  color:var(--text-0);padding:0 16px;transition:all var(--t);min-width:0}
.search-input::placeholder{color:var(--text-2)}
.search-input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(0,229,199,.16)}
.search-btn{height:50px;padding:0 26px}
.quick-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.tag{font-size:13px;color:var(--text-1);padding:5px 12px;border-radius:999px;border:1px solid var(--line);background:rgba(255,255,255,.03);
  cursor:pointer;transition:all var(--t)}
.tag:hover{color:var(--brand);border-color:var(--line-strong);box-shadow:var(--glow)}

/* ---------- 主体布局 ---------- */
.section{padding:64px 0}
.section-tight{padding:48px 0}
.section-head{max-width:760px;margin-bottom:32px}
.section-head h2{font-size:clamp(26px,3.2vw,38px);margin-bottom:12px}
.section-head p{color:var(--text-1);font-size:15.5px;margin:0}
.faq-layout{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:28px;align-items:start}

/* 分组标签 */
.faq-tabs{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:22px}
.tab-btn{padding:9px 16px;border-radius:999px;border:1px solid var(--line);background:rgba(255,255,255,.03);
  color:var(--text-1);font-size:14px;font-weight:600;cursor:pointer;transition:all var(--t)}
.tab-btn:hover{color:var(--text-0);border-color:rgba(124,92,255,.6)}
.tab-btn.is-active{color:#03110F;background:var(--brand);border-color:var(--brand);box-shadow:0 0 16px rgba(0,229,199,.3)}

/* FAQ 面板 */
.faq-group{display:none;gap:14px;flex-direction:column}
.faq-group.is-active{display:flex}
.faq-group-title{font-size:13px;letter-spacing:.1em;color:var(--text-2);font-weight:700;margin-bottom:2px}
.faq-item{border:1px solid var(--line);border-radius:var(--radius);background:linear-gradient(180deg,rgba(255,255,255,.045),rgba(255,255,255,.018));
  overflow:hidden;transition:all var(--t)}
.faq-item:hover{border-color:var(--line-strong);box-shadow:var(--glow)}
.faq-item.is-open{border-left:3px solid var(--brand);border-color:var(--line-strong)}
.faq-q{width:100%;display:flex;align-items:flex-start;justify-content:space-between;gap:16px;text-align:left;background:none;border:0;
  padding:18px 20px;cursor:pointer;font-size:18px;font-weight:700;color:var(--text-0);line-height:1.5}
.faq-q .qi{flex-shrink:0;width:22px;height:22px;border-radius:50%;border:1px solid var(--line-strong);position:relative;margin-top:3px;transition:all var(--t)}
.faq-q .qi::before,.faq-q .qi::after{content:"";position:absolute;background:var(--brand);border-radius:2px}
.faq-q .qi::before{left:5px;right:5px;top:10px;height:1.6px}
.faq-q .qi::after{top:5px;bottom:5px;left:10px;width:1.6px;transition:all var(--t)}
.faq-item.is-open .qi{background:rgba(0,229,199,.14);box-shadow:0 0 12px rgba(0,229,199,.35)}
.faq-item.is-open .qi::after{opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height 320ms ease}
.faq-a-inner{padding:0 20px 20px;font-size:15px;line-height:1.75;color:var(--text-1)}
.faq-a-inner p:last-child{margin-bottom:0}
.faq-meta{margin-top:10px;font-size:12.5px;color:var(--text-2)}

/* 空态 */
.empty-state{display:none;padding:34px 22px;text-align:center;border:1px dashed var(--line);border-radius:var(--radius);
  background:rgba(255,255,255,.02)}
.empty-state.is-show{display:block}
.empty-state strong{display:block;color:var(--text-0);font-size:17px;margin-bottom:8px}
.empty-state span{font-size:14px;color:var(--text-2)}

/* 侧栏 */
.faq-side{display:flex;flex-direction:column;gap:18px;position:sticky;top:96px}
.side-card{border:1px solid var(--line);border-radius:var(--radius);padding:22px;
  background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.02));box-shadow:var(--shadow)}
.side-card h3{font-size:19px;margin-bottom:10px}
.side-card p{font-size:14px;color:var(--text-1);margin-bottom:14px}
.side-cover{border-radius:var(--radius-sm);overflow:hidden;border:1px solid var(--line);margin-bottom:16px}
.side-cover img{width:100%;aspect-ratio:16/10;object-fit:cover}
.side-list{display:flex;flex-direction:column;gap:10px;margin-bottom:16px}
.side-list li{display:flex;justify-content:space-between;gap:12px;font-size:14px;padding-bottom:10px;border-bottom:1px dashed var(--line)}
.side-list li:last-child{border-bottom:0;padding-bottom:0}
.side-list b{color:var(--text-0);font-weight:700}
.side-note{font-size:12.5px;color:var(--text-2);margin-top:12px;margin-bottom:0}

/* 热门问题卡 */
.hot-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.hot-card{border:1px solid var(--line);border-radius:var(--radius);padding:20px;cursor:pointer;text-align:left;background:none;
  display:flex;flex-direction:column;gap:10px;transition:all var(--t)}
.hot-card:hover{transform:translateY(-2px);border-color:var(--line-strong);box-shadow:var(--glow)}
.hot-card .idx{font-size:26px;font-weight:800;color:var(--brand);line-height:1}
.hot-card h3{font-size:16px;line-height:1.5}
.hot-card span{font-size:13px;color:var(--text-2)}

/* 流程 */
.flow-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;position:relative}
.flow-step{border:1px solid var(--line);border-radius:var(--radius);padding:22px;background:var(--panel);transition:all var(--t)}
.flow-step:hover{border-color:var(--line-strong);box-shadow:var(--glow)}
.step-num{display:inline-flex;width:36px;height:36px;border-radius:10px;align-items:center;justify-content:center;
  font-weight:800;font-size:15px;color:#03110F;background:linear-gradient(135deg,var(--brand),#49dcc0);margin-bottom:14px}
.flow-step h3{font-size:17px;margin-bottom:8px}
.flow-step p{font-size:14px;color:var(--text-1);margin:0}

/* 数据带 */
.stat-band{background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius);padding:34px 26px;position:relative;overflow:hidden}
.stat-band::before{content:"";position:absolute;inset:0;opacity:.06;
  background-image:linear-gradient(rgba(255,255,255,.6) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.6) 1px,transparent 1px);
  background-size:48px 48px}
.stat-grid{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center}
.stat-num{font-size:clamp(30px,4vw,44px);font-weight:800;color:var(--brand);line-height:1.1;letter-spacing:-.02em}
.stat-num.alt{color:var(--brand-2)}
.stat-label{font-size:14px;color:var(--text-1);margin-top:8px}
.stat-source{position:relative;margin-top:22px;padding-top:14px;border-top:1px solid var(--line);font-size:12px;color:var(--text-2);text-align:center}

/* CTA 条 */
.cta-bar{margin:0 auto;border:1px solid var(--line-strong);border-radius:20px;padding:36px;
  background:linear-gradient(135deg,rgba(0,229,199,.10),rgba(124,92,255,.12));
  display:flex;align-items:center;justify-content:space-between;gap:26px;flex-wrap:wrap;box-shadow:var(--shadow)}
.cta-bar h2{font-size:clamp(22px,2.8vw,30px);margin-bottom:8px}
.cta-bar p{margin:0;font-size:15px;color:var(--text-1)}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg-0);border-top:1px solid var(--line);position:relative;padding:56px 0 24px;margin-top:20px}
.site-footer::before{content:"";position:absolute;top:-1px;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(0,229,199,.7),rgba(124,92,255,.7),transparent)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px}
.footer-brand p{font-size:14px;color:var(--text-2);margin-top:16px;max-width:340px}
.footer-title{font-size:15px;font-weight:700;color:var(--text-0);margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a,.footer-contact li{font-size:14px;color:var(--text-2)}
.footer-links a:hover{color:var(--brand)}
.footer-contact{display:flex;flex-direction:column;gap:11px}
.footer-contact strong{color:var(--text-1);font-weight:600}
.footer-bottom{margin-top:40px;padding-top:20px;border-top:1px solid var(--line);display:flex;justify-content:space-between;
  gap:14px;flex-wrap:wrap;font-size:12.5px;color:var(--text-2)}

/* ---------- 弹层 ---------- */
.modal{position:fixed;inset:0;z-index:120;display:none;align-items:center;justify-content:center;padding:20px;
  background:rgba(3,6,12,.72);backdrop-filter:blur(4px)}
.modal.is-open{display:flex}
.modal-panel{width:100%;max-width:560px;max-height:92vh;overflow-y:auto;border-radius:18px;border:1px solid var(--line-strong);
  background:linear-gradient(180deg,#111A29,#0B111B);box-shadow:0 24px 60px rgba(0,0,0,.6);padding:28px}
.modal-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:6px}
.modal-head h3{font-size:22px}
.modal-head p{font-size:13.5px;color:var(--text-2);margin:8px 0 0}
.modal-close{width:36px;height:36px;border-radius:10px;border:1px solid var(--line);background:rgba(255,255,255,.04);
  color:var(--text-1);cursor:pointer;font-size:18px;line-height:1;flex-shrink:0;transition:all var(--t)}
.modal-close:hover{color:var(--brand);border-color:var(--line-strong)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-field{display:flex;flex-direction:column;gap:7px;margin-top:16px}
.form-field label{font-size:13.5px;color:var(--text-1);font-weight:600}
.form-field input,.form-field select,.form-field textarea{background:#0B111B;border:1px solid var(--line);border-radius:var(--radius-xs);
  padding:11px 13px;color:var(--text-0);font-size:14.5px;transition:all var(--t);width:100%}
.form-field input,.form-field select{height:44px;padding:0 13px}
.form-field textarea{min-height:96px;resize:vertical}
.form-field input:focus,.form-field select:focus,.form-field textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(0,229,199,.16)}
.checkbox-row{display:flex;gap:10px;align-items:flex-start;margin-top:18px;font-size:13px;color:var(--text-1)}
.checkbox-row input{width:16px;height:16px;margin-top:3px;accent-color:var(--brand);flex-shrink:0}
.hint{font-size:12.5px;color:var(--text-2);margin-top:12px;line-height:1.7}
.form-msg{margin-top:12px;font-size:13.5px;display:none}
.form-msg.is-error{display:block;color:var(--danger)}
.form-msg.is-success{display:block;color:var(--success)}
.modal-actions{margin-top:20px;display:flex;gap:12px;flex-wrap:wrap}
.modal-actions .btn{flex:1 1 150px}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .faq-layout{grid-template-columns:minmax(0,1fr) 320px}
  .hot-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:992px){
  .main-nav{display:none}
  .nav-toggle{display:block;margin-left:auto}
  .nav-cta{display:none}
  .faq-layout{grid-template-columns:1fr}
  .faq-side{position:static}
  .flow-strip{grid-template-columns:repeat(2,1fr)}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .section{padding:52px 0}
}
@media (max-width:768px){
  .container{padding:0 20px}
  .logo-text{font-size:15.5px}
  .page-hero{padding:46px 0 36px}
  .hero-lead{font-size:15.5px}
  .cta-bar{padding:26px;flex-direction:column;align-items:flex-start}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 100%}
  .form-row{grid-template-columns:1fr}
  .faq-q{font-size:16.5px;padding:16px}
  .faq-a-inner{padding:0 16px 18px;font-size:14.5px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
}
@media (max-width:576px){
  .container{padding:0 16px}
  .hero-title{font-size:30px}
  .search-btn{width:100%}
  .hot-grid{grid-template-columns:1fr}
  .flow-strip{grid-template-columns:1fr}
  .stat-grid{grid-template-columns:1fr 1fr;gap:14px}
  .modal{padding:0;align-items:flex-end}
  .modal-panel{max-width:92%;margin:0 auto 0;border-radius:18px 18px 0 0;max-height:94vh;padding:22px}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
  html{scroll-behavior:auto}
}

/* roulang page: category5 */
:root{
  --bg-0:#070A0F;
  --bg-1:#0C111A;
  --bg-2:#101826;
  --panel:#0F1622;
  --panel-2:#141E2E;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(0,229,199,.35);
  --text-0:#F2F7FF;
  --text-1:#B8C4D9;
  --text-2:#7E8CA3;
  --brand:#00E5C7;
  --brand-2:#7C5CFF;
  --accent:#FFB020;
  --danger:#FF4D6D;
  --success:#20D68B;
  --radius-s:10px;
  --radius-m:14px;
  --radius-l:18px;
  --shadow:0 12px 34px rgba(0,0,0,.38);
  --shadow-glow:0 0 22px rgba(0,229,199,.18);
  --container:1200px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text-1);
  background:
    radial-gradient(900px 520px at 78% -8%, rgba(124,92,255,.16), transparent 62%),
    radial-gradient(760px 460px at 8% 12%, rgba(0,229,199,.12), transparent 60%),
    linear-gradient(180deg,var(--bg-0) 0%,var(--bg-1) 42%,var(--bg-2) 100%);
  background-attachment:fixed;
  min-height:100vh;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:64px 64px;
  opacity:.6;
  mask-image:radial-gradient(circle at 50% 20%,#000 30%,transparent 78%);
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--brand);text-decoration:none;transition:color .24s var(--ease),border-color .24s var(--ease);}
a:hover{color:var(--brand-2);}
button{font:inherit;cursor:pointer;}
h1,h2,h3,h4{margin:0;color:var(--text-0);font-weight:800;letter-spacing:-.02em;line-height:1.2;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
  position:relative;
  z-index:1;
}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(7,10,15,.92);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.site-header::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-1px;
  height:1px;
  background:linear-gradient(90deg,transparent,var(--brand) 18%,var(--brand-2) 82%,transparent);
  opacity:.75;
}
.header-inner{
  display:flex;
  align-items:center;
  gap:24px;
  min-height:72px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
  color:var(--text-0);
}
.logo:hover{color:var(--text-0);}
.logo-mark{
  width:36px;height:36px;
  display:grid;place-items:center;
  border-radius:11px;
  font-size:18px;
  font-weight:800;
  color:#03110F;
  background:linear-gradient(140deg,var(--brand),#3cf0d4 45%,var(--brand-2));
  box-shadow:0 0 18px rgba(0,229,199,.35);
}
.logo-text{
  font-size:17px;
  font-weight:800;
  letter-spacing:-.01em;
  white-space:nowrap;
}
.logo-badge{
  display:inline-block;
  margin-left:4px;
  padding:1px 7px;
  font-size:12px;
  font-weight:700;
  border-radius:6px;
  color:var(--brand);
  border:1px solid var(--line-strong);
  background:rgba(0,229,199,.08);
  vertical-align:2px;
}
.main-nav{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:auto;
  flex-wrap:nowrap;
}
.nav-link{
  position:relative;
  display:inline-block;
  padding:9px 12px;
  font-size:14.5px;
  font-weight:600;
  color:var(--text-1);
  border-radius:8px;
  white-space:nowrap;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:12px;right:12px;bottom:2px;
  height:2px;
  border-radius:2px;
  background:linear-gradient(90deg,var(--brand),var(--brand-2));
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .24s var(--ease);
}
.nav-link:hover{color:var(--text-0);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{
  color:var(--brand);
  box-shadow:0 0 14px rgba(0,229,199,.45);
}
.nav-link.is-active::after{transform:scaleX(1);}
.nav-cta{margin-left:14px;}
.menu-toggle{
  display:none;
  margin-left:auto;
  width:44px;height:44px;
  border-radius:12px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  color:var(--text-0);
  font-size:20px;
  line-height:1;
}
.nav-drawer{
  display:none;
}
.nav-drawer.is-open{display:block;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 22px;
  font-size:15px;
  font-weight:700;
  border-radius:12px;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),background .24s var(--ease),border-color .24s var(--ease),color .24s var(--ease);
}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-primary{
  background:linear-gradient(135deg,#4ff5db,var(--brand));
  color:#03110F;
  box-shadow:0 8px 22px rgba(0,229,199,.24);
}
.btn-primary:hover{
  color:#03110F;
  transform:translateY(-1px);
  box-shadow:0 0 20px rgba(0,229,199,.42),0 10px 26px rgba(0,0,0,.35);
}
.btn-ghost{
  background:transparent;
  border-color:rgba(124,92,255,.65);
  color:var(--text-0);
}
.btn-ghost:hover{
  color:var(--text-0);
  background:rgba(124,92,255,.14);
  transform:translateY(-1px);
}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none;}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:700;
  color:var(--brand);
  border-bottom:1px solid transparent;
  padding-bottom:1px;
}
.link-arrow:hover{color:var(--brand-2);border-bottom-color:var(--brand-2);}

/* ============ 通用板块 ============ */
.section{padding:76px 0;}
.section-tight{padding:56px 0;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:5px 12px;
  font-size:12.5px;
  font-weight:700;
  letter-spacing:.08em;
  color:var(--brand);
  border:1px solid var(--line-strong);
  border-radius:999px;
  background:rgba(0,229,199,.07);
}
.section-head{max-width:760px;margin-bottom:40px;}
.section-title{
  font-size:clamp(28px,3.2vw,40px);
  margin:18px 0 14px;
}
.section-desc{color:var(--text-1);font-size:16px;}
.badge{
  display:inline-block;
  padding:4px 10px;
  font-size:12px;
  font-weight:700;
  border-radius:999px;
  color:var(--brand);
  background:rgba(0,229,199,.1);
  border:1px solid var(--line-strong);
}
.hr-glow{
  height:1px;
  border:0;
  margin:0;
  background:linear-gradient(90deg,transparent,var(--line-strong),transparent);
}

/* ============ Hero ============ */
.hero{
  position:relative;
  padding:64px 0 56px;
  overflow:hidden;
}
.hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:
    radial-gradient(620px 320px at 82% 8%,rgba(0,229,199,.18),transparent 65%),
    radial-gradient(520px 300px at 12% 90%,rgba(124,92,255,.18),transparent 68%);
  pointer-events:none;
}
.hero-grid{
  position:relative;
  display:grid;
  grid-template-columns:1.35fr 1fr;
  gap:44px;
  align-items:center;
}
.hero h1{
  font-size:clamp(34px,4.6vw,56px);
  line-height:1.12;
  margin:20px 0 16px;
}
.hero h1 .hl{
  background:linear-gradient(120deg,var(--brand) 12%,var(--brand-2) 88%);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hero-sub{
  font-size:19px;
  font-weight:700;
  color:var(--text-0);
  margin-bottom:12px;
}
.hero-lead{max-width:620px;font-size:16px;color:var(--text-1);}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-meta{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:26px;
}
.chip{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 14px;
  font-size:13px;
  font-weight:600;
  color:var(--text-1);
  border:1px solid var(--line);
  border-radius:999px;
  background:rgba(255,255,255,.035);
}
.chip i{
  width:6px;height:6px;
  border-radius:50%;
  background:var(--brand);
  box-shadow:0 0 10px rgba(0,229,199,.8);
}
.hero-visual{
  position:relative;
  border-radius:var(--radius-l);
  border:1px solid var(--line);
  overflow:hidden;
  box-shadow:var(--shadow);
  background:linear-gradient(180deg,rgba(255,255,255,.045),rgba(255,255,255,.018));
}
.hero-visual img{
  width:100%;
  aspect-ratio:16/11;
  object-fit:cover;
  opacity:.72;
}
.hero-visual::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(7,10,15,.15) 0%,rgba(7,10,15,.86) 72%,var(--bg-1) 100%);
}
.hero-visual-text{
  position:absolute;
  left:22px;right:22px;bottom:20px;
  z-index:2;
}
.hero-visual-text strong{
  display:block;
  font-size:18px;
  color:var(--text-0);
  margin-bottom:6px;
}
.hero-visual-text span{font-size:13.5px;color:var(--text-1);}

/* ============ 渠道对比卡 ============ */
.compare-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:22px;
}
.compare-card{
  display:flex;
  flex-direction:column;
  gap:16px;
  padding:26px 24px;
  border-radius:var(--radius-l);
  border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(255,255,255,.045),rgba(255,255,255,.018));
  box-shadow:var(--shadow);
  transition:transform .26s var(--ease),border-color .26s var(--ease),box-shadow .26s var(--ease);
}
.compare-card:hover{
  transform:translateY(-3px);
  border-color:var(--line-strong);
  box-shadow:var(--shadow),var(--shadow-glow);
}
.compare-card.is-feature{
  border-color:rgba(124,92,255,.45);
  background:linear-gradient(180deg,rgba(124,92,255,.12),rgba(255,255,255,.02));
}
.compare-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
}
.compare-name{font-size:22px;font-weight:800;color:var(--text-0);}
.compare-index{
  font-size:30px;
  font-weight:800;
  line-height:1;
  color:rgba(0,229,199,.28);
  letter-spacing:-.03em;
}
.compare-fit{
  font-size:14px;
  color:var(--text-1);
  padding-bottom:14px;
  border-bottom:1px dashed var(--line);
}
.spec-list{display:flex;flex-direction:column;gap:12px;}
.spec-row{
  display:grid;
  grid-template-columns:74px 1fr;
  gap:12px;
  font-size:14px;
}
.spec-row dt{
  color:var(--text-2);
  font-weight:600;
}
.spec-row dd{margin:0;color:var(--text-1);}
.compare-note{
  font-size:13px;
  color:var(--accent);
  background:rgba(255,176,32,.08);
  border-left:3px solid rgba(255,176,32,.6);
  border-radius:0 8px 8px 0;
  padding:10px 12px;
}
.compare-card .btn{margin-top:auto;width:100%;}

/* ============ 准备清单 / 缺口 ============ */
.split-2{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:24px;
}
.panel{
  padding:28px 26px;
  border-radius:var(--radius-l);
  border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(255,255,255,.045),rgba(255,255,255,.018));
  box-shadow:var(--shadow);
}
.panel-title{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:21px;
  font-weight:800;
  color:var(--text-0);
  margin-bottom:8px;
}
.panel-sub{font-size:14px;color:var(--text-2);margin-bottom:20px;}
.check-list{display:flex;flex-direction:column;gap:14px;}
.check-list li{
  display:grid;
  grid-template-columns:24px 1fr;
  gap:12px;
  font-size:15px;
}
.check-list li span.t{
  display:block;
  color:var(--text-0);
  font-weight:700;
  margin-bottom:2px;
}
.check-list li span.d{font-size:13.5px;color:var(--text-2);}
.tick{
  width:22px;height:22px;
  margin-top:3px;
  border-radius:7px;
  display:grid;place-items:center;
  font-size:13px;
  color:#03110F;
  background:linear-gradient(135deg,#4ff5db,var(--brand));
}
.tick.warn{background:linear-gradient(135deg,#ffd27a,var(--accent));}
.gap-list{display:flex;flex-direction:column;gap:12px;}
.gap-list li{
  padding:14px 16px;
  border-radius:var(--radius-m);
  border:1px solid var(--line);
  background:rgba(255,255,255,.025);
  font-size:14.5px;
}
.gap-list li strong{color:var(--text-0);display:block;margin-bottom:2px;}
.gap-list li em{color:var(--text-2);font-style:normal;font-size:13.5px;}

/* ============ 案例 ============ */
.case-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:24px;
}
.case-card{
  display:flex;
  flex-direction:column;
  overflow:hidden;
  border-radius:var(--radius-l);
  border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(255,255,255,.045),rgba(255,255,255,.018));
  box-shadow:var(--shadow);
  transition:transform .26s var(--ease),border-color .26s var(--ease),box-shadow .26s var(--ease);
}
.case-card:hover{
  transform:translateY(-3px);
  border-color:var(--line-strong);
  box-shadow:var(--shadow),var(--shadow-glow);
}
.case-thumb{position:relative;overflow:hidden;}
.case-thumb img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
  opacity:.78;
  transition:transform .5s var(--ease);
}
.case-card:hover .case-thumb img{transform:scale(1.04);}
.case-thumb::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,transparent 30%,rgba(12,17,26,.9) 100%);
}
.case-body{padding:22px 24px 26px;}
.case-body h3{font-size:21px;margin-bottom:10px;}
.case-body p{font-size:14.5px;color:var(--text-1);}
.case-points{margin-top:16px;display:flex;flex-direction:column;gap:8px;}
.case-points li{
  font-size:13.5px;
  color:var(--text-2);
  padding-left:16px;
  position:relative;
}
.case-points li::before{
  content:"";
  position:absolute;
  left:0;top:9px;
  width:6px;height:6px;
  border-radius:50%;
  background:var(--brand);
  box-shadow:0 0 8px rgba(0,229,199,.7);
}

/* ============ 数据带 ============ */
.stats-band{
  position:relative;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  background:
    linear-gradient(180deg,rgba(16,24,38,.9),rgba(12,17,26,.9)),
    linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:auto,56px 56px,56px 56px;
}
.stats-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:22px;
  padding:48px 0;
}
.stat{
  padding:6px 4px;
  border-left:2px solid rgba(0,229,199,.28);
  padding-left:18px;
}
.stat-num{
  font-size:clamp(32px,3.4vw,44px);
  font-weight:800;
  line-height:1.05;
  letter-spacing:-.03em;
  background:linear-gradient(120deg,var(--brand),var(--brand-2));
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.stat-label{font-size:14px;color:var(--text-1);margin-top:8px;}
.stat-src{
  grid-column:1 / -1;
  font-size:12px;
  color:var(--text-2);
  padding-top:6px;
  border-top:1px dashed var(--line);
}

/* ============ FAQ ============ */
.faq{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  border:1px solid var(--line);
  border-radius:var(--radius-m);
  background:linear-gradient(180deg,rgba(255,255,255,.04),rgba(255,255,255,.014));
  overflow:hidden;
  transition:border-color .24s var(--ease);
}
.faq-item.is-open{border-color:var(--line-strong);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:18px 22px;
  background:none;
  border:0;
  text-align:left;
  font-size:18px;
  font-weight:700;
  color:var(--text-0);
  line-height:1.5;
}
.faq-q .sign{
  flex-shrink:0;
  width:26px;height:26px;
  border-radius:50%;
  display:grid;place-items:center;
  font-size:16px;
  color:var(--brand);
  border:1px solid var(--line-strong);
  transition:transform .24s var(--ease),background .24s var(--ease);
}
.faq-item.is-open .faq-q .sign{
  transform:rotate(45deg);
  background:rgba(0,229,199,.14);
}
.faq-a{
  display:none;
  padding:0 22px 20px 22px;
  font-size:15px;
  color:var(--text-1);
  border-left:3px solid var(--brand);
  margin-left:22px;
  padding-left:18px;
}
.faq-item.is-open .faq-a{display:block;}

/* ============ CTA 条 ============ */
.cta-band{
  position:relative;
  padding:44px 40px;
  border-radius:var(--radius-l);
  border:1px solid var(--line-strong);
  background:
    radial-gradient(520px 240px at 88% 0%,rgba(124,92,255,.22),transparent 62%),
    linear-gradient(135deg,rgba(0,229,199,.1),rgba(12,17,26,.92));
  box-shadow:var(--shadow),0 0 34px rgba(0,229,199,.12);
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}
.cta-band h2{font-size:clamp(24px,2.6vw,32px);margin-bottom:8px;}
.cta-band p{font-size:15px;color:var(--text-1);max-width:560px;}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:72px;
  background:var(--bg-0);
  border-top:1px solid var(--line);
  position:relative;
}
.site-footer::before{
  content:"";
  position:absolute;
  top:-1px;left:0;right:0;
  height:1px;
  background:linear-gradient(90deg,transparent,var(--brand) 20%,var(--brand-2) 80%,transparent);
  opacity:.7;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1.2fr 1fr;
  gap:36px;
  padding:56px 0 36px;
}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand p{font-size:14px;color:var(--text-2);max-width:340px;}
.footer-title{
  font-size:14px;
  font-weight:800;
  color:var(--text-0);
  margin-bottom:16px;
  letter-spacing:.02em;
}
.footer-links li,.footer-contact li{font-size:14px;margin-bottom:10px;color:var(--text-2);}
.footer-links a{color:var(--text-2);}
.footer-links a:hover{color:var(--brand);}
.footer-contact strong{color:var(--text-1);font-weight:600;}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:12px;
  padding:20px 0 28px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--text-2);
}

/* ============ 弹层表单 ============ */
.modal{
  position:fixed;
  inset:0;
  z-index:200;
  display:none;
  align-items:center;
  justify-content:center;
  padding:24px;
  background:rgba(3,6,12,.72);
  backdrop-filter:blur(4px);
}
.modal.is-open{display:flex;}
.modal-panel{
  width:100%;
  max-width:560px;
  max-height:calc(100vh - 48px);
  overflow-y:auto;
  border-radius:var(--radius-l);
  border:1px solid var(--line-strong);
  background:linear-gradient(180deg,#141E2E,#0F1622);
  box-shadow:0 24px 60px rgba(0,0,0,.6),0 0 30px rgba(0,229,199,.14);
  padding:28px 26px 26px;
  position:relative;
}
.modal-close{
  position:absolute;
  top:14px;right:14px;
  width:36px;height:36px;
  border-radius:10px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  color:var(--text-1);
  font-size:18px;
  line-height:1;
}
.modal-close:hover{color:var(--text-0);border-color:var(--line-strong);}
.modal-title{font-size:23px;margin-bottom:8px;}
.modal-sub{font-size:14px;color:var(--text-2);margin-bottom:22px;}
.field{margin-bottom:16px;}
.field label{
  display:block;
  font-size:13.5px;
  font-weight:700;
  color:var(--text-1);
  margin-bottom:8px;
}
.field input[type="text"],
.field input[type="tel"],
.field select,
.field textarea{
  width:100%;
  height:46px;
  padding:0 14px;
  font-size:14.5px;
  color:var(--text-0);
  background:#0B111B;
  border:1px solid var(--line);
  border-radius:var(--radius-s);
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.field textarea{height:104px;padding:12px 14px;resize:vertical;line-height:1.6;}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--text-2) 50%),linear-gradient(135deg,var(--text-2) 50%,transparent 50%);background-position:calc(100% - 20px) 20px,calc(100% - 14px) 20px;background-size:6px 6px,6px 6px;background-repeat:no-repeat;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;
  border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(0,229,199,.16);
}
.field input::placeholder,.field textarea::placeholder{color:#5C6A80;}
.check-row{
  display:grid;
  grid-template-columns:20px 1fr;
  gap:10px;
  align-items:start;
  font-size:13.5px;
  color:var(--text-1);
  margin:18px 0 6px;
}
.check-row input[type="checkbox"]{
  width:18px;height:18px;
  margin-top:2px;
  accent-color:var(--brand);
}
.form-note{
  font-size:12.5px;
  line-height:1.65;
  color:var(--text-2);
  margin-top:10px;
}
.form-msg{font-size:13.5px;margin-top:12px;display:none;}
.form-msg.is-error{display:block;color:var(--danger);}
.form-msg.is-success{display:block;color:var(--success);}
.modal .btn-primary{width:100%;margin-top:18px;}

/* ============ 响应式 ============ */
@media (max-width:1200px){
  .container{padding:0 20px;}
  .hero-grid{gap:32px;}
  .footer-grid{grid-template-columns:1.5fr 1fr 1.2fr;gap:28px;}
}
@media (max-width:992px){
  .main-nav,.nav-cta{display:none;}
  .menu-toggle{display:grid;place-items:center;}
  .nav-drawer{
    position:fixed;
    inset:72px 0 0 0;
    z-index:90;
    background:rgba(7,10,15,.98);
    backdrop-filter:blur(10px);
    padding:22px 20px 40px;
    overflow-y:auto;
  }
  .nav-drawer .nav-link{
    display:block;
    font-size:22px;
    font-weight:700;
    padding:18px 8px;
    border-bottom:1px solid var(--line);
    border-radius:0;
  }
  .nav-drawer .nav-link::after{display:none;}
  .nav-drawer .nav-link.is-active{text-shadow:0 0 14px rgba(0,229,199,.5);}
  .nav-drawer .btn{width:100%;margin-top:26px;}
  .hero-grid{grid-template-columns:1fr;}
  .hero-visual{order:-1;}
  .hero-visual img{aspect-ratio:16/9;}
  .compare-grid{grid-template-columns:1fr;gap:18px;}
  .split-2{grid-template-columns:1fr;}
  .case-grid{grid-template-columns:1fr;}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:26px 20px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:768px){
  .section{padding:56px 0;}
  .hero{padding:44px 0 40px;}
  .hero h1{font-size:clamp(30px,7vw,40px);}
  .hero-sub{font-size:17px;}
  .cta-band{padding:30px 22px;flex-direction:column;align-items:flex-start;}
  .cta-band .btn{width:100%;}
  .faq-q{font-size:16.5px;padding:16px 18px;}
  .faq-a{margin-left:16px;padding-left:14px;}
}
@media (max-width:576px){
  .container{padding:0 16px;}
  .logo-text{font-size:15.5px;}
  .logo-badge{font-size:11px;padding:1px 6px;}
  .stats-grid{grid-template-columns:1fr 1fr;gap:22px 16px;}
  .stat{padding-left:14px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;padding:40px 0 28px;}
  .footer-bottom{flex-direction:column;}
  .modal{padding:0;align-items:flex-end;}
  .modal-panel{
    max-width:92%;
    margin:0 auto 18px;
    border-radius:16px;
    padding:24px 18px 22px;
  }
  .hero-actions .btn{width:100%;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  html{scroll-behavior:auto;}
}