/* roulang page: index */
:root{
  --brand:#10E0B0;
  --brand-2:#6D4BFF;
  --accent:#FF6A3D;
  --ink:#0A0C14;
  --bg:#F6F7FB;
  --surface:#FFFFFF;
  --line:#E4E7EF;
  --text:#1B2030;
  --text-2:#5A6275;
  --text-3:#8A93A6;
  --grad:linear-gradient(135deg,#10E0B0 0%,#6D4BFF 100%);
  --grad-soft:linear-gradient(135deg,rgba(16,224,176,.16) 0%,rgba(109,75,255,.16) 100%);
  --r-sm:12px;
  --r-md:16px;
  --r-card:20px;
  --r-lg:24px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(10,12,20,.06);
  --sh-2:0 12px 28px rgba(10,12,20,.12);
  --sh-3:0 24px 60px rgba(10,12,20,.24);
  --container:1200px;
  --pad:32px;
  --sec:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  letter-spacing:.01em;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s ease,opacity .2s ease;}
button,input,textarea,select{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
table{border-collapse:collapse;width:100%;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}
.container{max-width:var(--container);margin:0 auto;padding:0 var(--pad);width:100%;}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
.num{font-variant-numeric:tabular-nums;font-weight:800;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:90;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;align-items:center;gap:20px;
  min-height:72px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:36px;height:36px;border-radius:12px;
  background:var(--grad);color:#fff;
  display:grid;place-items:center;
  font-size:18px;font-weight:800;letter-spacing:0;
  box-shadow:0 6px 16px rgba(16,224,176,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text b{font-size:17px;font-weight:800;letter-spacing:.02em;}
.brand-text em{
  font-style:normal;font-size:10px;letter-spacing:.06em;
  color:var(--text-3);font-weight:500;
}
.nav-chips{
  display:flex;align-items:center;gap:8px;flex:1 1 auto;
  overflow-x:auto;scrollbar-width:none;
  padding:4px 2px;
  -webkit-overflow-scrolling:touch;
}
.nav-chips::-webkit-scrollbar{display:none;}
.chip{
  flex:0 0 auto;
  height:36px;padding:0 16px;
  display:inline-flex;align-items:center;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:#fff;
  font-size:14px;font-weight:600;color:var(--text-2);
  transition:all .22s ease;white-space:nowrap;
}
.chip:hover{border-color:var(--brand);color:var(--text);}
.chip.is-active{
  background:var(--grad);border-color:transparent;color:#fff;
  box-shadow:0 4px 12px rgba(109,75,255,.22);
}
.header-actions{display:flex;align-items:center;gap:18px;flex:0 0 auto;}
.link-quiet{
  font-size:14px;font-weight:600;color:var(--text-2);
}
.link-quiet:hover{color:var(--brand);}
.menu-toggle{
  display:none;width:40px;height:40px;border-radius:12px;
  border:1px solid var(--line);background:#fff;
  align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.menu-toggle span{display:block;width:16px;height:2px;background:var(--text);border-radius:2px;transition:.24s;}
.menu-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.menu-toggle.is-open span:nth-child(2){opacity:0;}
.menu-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;letter-spacing:.02em;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,opacity .2s ease;
  white-space:nowrap;
}
.btn-primary{
  background:var(--accent);color:#fff;
  box-shadow:0 10px 24px rgba(255,106,61,.28);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(255,106,61,.36);}
.btn-primary:active{transform:translateY(0);filter:brightness(.94);}
.btn-grad{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(109,75,255,.26);}
.btn-grad:hover{transform:translateY(-2px);filter:brightness(1.06);}
.btn-grad:active{transform:translateY(0);filter:brightness(.94);}
.btn-ghost{
  background:#fff;color:var(--brand-2);border:1px solid var(--brand);
}
.btn-ghost:hover{background:rgba(16,224,176,.08);}
.btn-dark-ghost{
  background:transparent;color:#fff;border:1px solid rgba(255,255,255,.4);
}
.btn-dark-ghost:hover{background:rgba(255,255,255,.12);}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}
.btn-block{width:100%;}
.btn[disabled]{opacity:.4;cursor:not-allowed;transform:none;}

/* ---------- hero ---------- */
.hero{
  position:relative;color:#fff;overflow:hidden;
  background-image:linear-gradient(120deg,rgba(10,12,20,.86) 0%,rgba(10,12,20,.72) 48%,rgba(10,12,20,.62) 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.14) 1px,transparent 1px);
  background-size:22px 22px;opacity:.5;pointer-events:none;
}
.hero-inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;
  padding:88px 0 92px;
}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  height:32px;padding:0 14px;border-radius:var(--r-pill);
  background:rgba(16,224,176,.14);
  border:1px solid rgba(16,224,176,.44);
  font-size:13px;font-weight:600;color:#9CF6E0;
  margin-bottom:22px;
}
.hero h1{
  font-size:clamp(30px,4.4vw,54px);
  line-height:1.2;font-weight:800;letter-spacing:.01em;
  margin-bottom:20px;
}
.hero-lead{
  font-size:16px;line-height:1.9;color:rgba(255,255,255,.76);
  max-width:560px;margin-bottom:30px;
}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:36px;}
.hero-badges{
  display:flex;flex-wrap:wrap;gap:12px;
}
.stat-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 16px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.2);
  font-size:13px;color:rgba(255,255,255,.86);
}
.stat-badge strong{color:#fff;font-size:14px;font-variant-numeric:tabular-nums;}
.stat-badge i{width:7px;height:7px;border-radius:50%;background:var(--brand);display:block;}
.hero-visual{position:relative;}
.hero-visual img{
  width:100%;aspect-ratio:16/9;object-fit:cover;
  border-radius:var(--r-lg);
  border:1px solid rgba(255,255,255,.16);
  box-shadow:0 30px 70px rgba(0,0,0,.42);
}
.hero-visual .visual-tag{
  position:absolute;left:18px;bottom:18px;
  padding:8px 14px;border-radius:var(--r-pill);
  background:rgba(10,12,20,.72);
  border:1px solid rgba(255,255,255,.18);
  font-size:12px;color:#fff;font-weight:600;
  backdrop-filter:blur(6px);
}

/* ---------- sections ---------- */
.section{padding:var(--sec) 0;}
.section-head{max-width:720px;margin-bottom:44px;}
.section-head.is-center{margin-left:auto;margin-right:auto;text-align:center;}
.sec-tag{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:.14em;
  color:var(--brand-2);text-transform:uppercase;margin-bottom:12px;
}
.section-head h2{
  font-size:clamp(24px,3vw,32px);font-weight:700;line-height:1.35;
  margin-bottom:14px;letter-spacing:.01em;
}
.section-head p{color:var(--text-2);font-size:15.5px;}

/* ---------- pain cards ---------- */
.pain-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.pain-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:26px 26px 24px;
  transition:border-color .24s ease,transform .24s ease,box-shadow .24s ease;
}
.pain-card:hover{transform:translateY(-4px);box-shadow:var(--sh-1);border-color:#D3D8E6;}
.pain-no{
  font-size:13px;font-weight:800;font-variant-numeric:tabular-nums;
  color:var(--brand);letter-spacing:.08em;margin-bottom:14px;display:block;
}
.pain-card h3{font-size:17px;font-weight:700;line-height:1.55;margin-bottom:10px;}
.pain-card p{font-size:14px;color:var(--text-2);line-height:1.8;}

/* ---------- solution cards ---------- */
.solution-section{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.solution-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:26px;}
.solution-card{
  background:var(--bg);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:30px 30px 26px;
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.solution-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:transparent;background:#fff;}
.solution-card.offset{transform:translateY(24px);}
.solution-card.offset:hover{transform:translateY(20px);}
.sol-icon{
  width:48px;height:48px;border-radius:16px;
  background:var(--grad-soft);
  display:grid;place-items:center;
  font-size:20px;font-weight:800;color:var(--brand-2);
  margin-bottom:18px;
}
.solution-card h3{font-size:19px;font-weight:700;margin-bottom:10px;}
.solution-card p{font-size:14.5px;color:var(--text-2);margin-bottom:16px;}
.text-link{
  font-size:14px;font-weight:700;color:var(--brand-2);
  border-bottom:1px solid rgba(109,75,255,.35);
  padding-bottom:2px;
}
.text-link:hover{color:var(--brand);border-color:var(--brand);}

/* ---------- data section ---------- */
.data-section{
  position:relative;color:#fff;overflow:hidden;
  background-image:linear-gradient(100deg,rgba(10,12,20,.94) 0%,rgba(10,12,20,.8) 60%,rgba(10,12,20,.72) 100%),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  padding:var(--sec) 0;
}
.data-inner{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;position:relative;z-index:2;}
.data-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:32px 40px;}
.data-item .num{
  font-size:clamp(34px,4.6vw,56px);line-height:1.1;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  display:block;
}
.data-item span{display:block;font-size:13.5px;color:rgba(255,255,255,.68);margin-top:8px;}
.data-copy h2{font-size:clamp(24px,3vw,32px);font-weight:700;margin-bottom:16px;line-height:1.4;}
.data-copy p{color:rgba(255,255,255,.72);font-size:15px;margin-bottom:22px;}
.data-tags{display:flex;flex-wrap:wrap;gap:10px;}
.data-tags .stat-badge{font-size:12.5px;padding:8px 14px;}

/* ---------- content list ---------- */
.list-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px;}
.filter-chips{display:flex;flex-wrap:wrap;gap:10px;}
.filter-chips .chip{height:34px;font-size:13px;padding:0 14px;}
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.post-card{
  display:flex;flex-direction:column;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#D3D8E6;}
.post-thumb{position:relative;background:var(--grad-soft);}
.post-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.post-cat{
  position:absolute;left:14px;top:14px;
  padding:5px 12px;border-radius:var(--r-pill);
  background:rgba(10,12,20,.72);color:#fff;
  font-size:12px;font-weight:600;
}
.post-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;}
.post-body h3{
  font-size:16.5px;font-weight:700;line-height:1.6;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-body p{
  font-size:13.8px;color:var(--text-2);line-height:1.75;margin-bottom:16px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--text-3);padding-top:14px;border-top:1px solid var(--line);
}
.post-meta .post-more{color:var(--brand-2);font-weight:700;}
.empty-state{
  grid-column:1/-1;text-align:center;padding:64px 24px;
  background:var(--surface);border:1px dashed var(--line);border-radius:var(--r-card);
}
.empty-state .empty-icon{
  width:56px;height:56px;border-radius:18px;background:var(--grad-soft);
  display:grid;place-items:center;margin:0 auto 16px;font-size:22px;color:var(--brand-2);
}
.empty-state p{color:var(--text-2);font-size:15px;margin-bottom:18px;}

/* ---------- showcase ---------- */
.showcase-section{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.showcase-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.showcase-card{
  border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;background:var(--bg);
  transition:transform .26s ease,box-shadow .26s ease;
}
.showcase-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.showcase-card img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.showcase-body{padding:22px 24px 24px;}
.showcase-body h3{font-size:17px;font-weight:700;margin-bottom:8px;}
.showcase-body p{font-size:14px;color:var(--text-2);margin-bottom:14px;}
.mini-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px;}
.mini-tag{
  font-size:12px;font-weight:600;color:var(--brand-2);
  background:var(--grad-soft);border-radius:var(--r-pill);padding:4px 12px;
}

/* ---------- faq ---------- */
.faq-list{max-width:880px;margin:0 auto;display:flex;flex-direction:column;gap:14px;}
.faq-item{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-md);overflow:hidden;transition:border-color .24s ease;
}
.faq-item.is-open{border-color:#D3D8E6;}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;text-align:left;font-size:16px;font-weight:700;line-height:1.6;
}
.faq-q .faq-sign{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  border:1px solid var(--line);display:grid;place-items:center;
  font-size:15px;color:var(--text-2);transition:.24s;
}
.faq-item.is-open .faq-sign{background:var(--grad);color:#fff;border-color:transparent;transform:rotate(45deg);}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .32s ease,padding .32s ease,opacity .32s ease;
  opacity:0;padding:0 24px;
}
.faq-item.is-open .faq-a{max-height:340px;opacity:1;padding:0 24px 22px;border-left:3px solid var(--brand);margin-left:0;}
.faq-a p{color:var(--text-2);font-size:14.5px;line-height:1.85;}

/* ---------- cta ---------- */
.cta-section{padding-bottom:var(--sec);}
.cta-box{
  position:relative;overflow:hidden;
  border-radius:var(--r-lg);
  background-image:linear-gradient(120deg,rgba(10,12,20,.92) 0%,rgba(10,12,20,.78) 55%,rgba(109,75,255,.6) 100%),url('/assets/images/backpic/back-3.png');
  background-size:cover;background-position:center;
  color:#fff;
  padding:56px 56px;
  display:grid;grid-template-columns:1.2fr .8fr;gap:36px;align-items:center;
}
.cta-box h2{font-size:clamp(23px,2.8vw,30px);font-weight:700;line-height:1.4;margin-bottom:14px;}
.cta-box p{color:rgba(255,255,255,.74);font-size:15px;max-width:520px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;}
.cta-note{font-size:12.5px;color:rgba(255,255,255,.56);margin-top:14px;text-align:right;}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:64px 0 28px;font-size:14px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.1);}
.footer-brand{display:flex;flex-direction:column;gap:14px;}
.footer-brand .fb-top{display:flex;align-items:center;gap:10px;}
.footer-brand .fb-top b{color:#fff;font-size:17px;font-weight:800;}
.footer-brand p{font-size:13.5px;line-height:1.85;color:rgba(255,255,255,.58);max-width:320px;}
.foot-col h4{font-size:14px;color:#fff;font-weight:700;margin-bottom:16px;letter-spacing:.04em;}
.foot-col-title{
  display:flex;align-items:center;justify-content:space-between;width:100%;
  font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;
}
.foot-col-title i{display:none;font-style:normal;color:rgba(255,255,255,.5);}
.foot-col-list{display:flex;flex-direction:column;gap:11px;}
.foot-col-list a{font-size:13.5px;color:rgba(255,255,255,.62);}
.foot-col-list a:hover{color:var(--brand);}
.foot-col-list li span{font-size:13.5px;color:rgba(255,255,255,.62);}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  padding-top:24px;font-size:12.5px;color:rgba(255,255,255,.42);
}
.footer-bottom a{color:rgba(255,255,255,.55);}
.footer-bottom a:hover{color:var(--brand);}

/* ---------- modal ---------- */
.modal-mask{
  position:fixed;inset:0;z-index:200;
  background:rgba(10,12,20,.6);
  display:flex;align-items:center;justify-content:center;
  padding:24px;opacity:0;visibility:hidden;transition:opacity .26s ease,visibility .26s ease;
}
.modal-mask.is-open{opacity:1;visibility:visible;}
.modal-card{
  width:100%;max-width:460px;background:#fff;border-radius:var(--r-lg);
  padding:32px 32px 28px;box-shadow:var(--sh-3);
  transform:translateY(16px) scale(.98);transition:transform .28s ease;
  max-height:90vh;overflow-y:auto;
}
.modal-mask.is-open .modal-card{transform:translateY(0) scale(1);}
.modal-card h3{font-size:20px;font-weight:700;margin-bottom:8px;}
.modal-card .modal-sub{font-size:13.5px;color:var(--text-2);margin-bottom:22px;}
.form-field{margin-bottom:18px;}
.form-field label{display:block;font-size:13.5px;font-weight:600;margin-bottom:8px;color:var(--text);}
.form-field label .req{color:var(--accent);margin-left:2px;}
.form-field input,.form-field select,.form-field textarea{
  width:100%;padding:12px 14px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:#FBFBFD;font-size:14.5px;
  transition:border-color .2s ease,background .2s ease;
}
.form-field input:focus,.form-field select:focus,.form-field textarea:focus{
  outline:none;border-color:var(--brand);background:#fff;
}
.form-field textarea{resize:vertical;min-height:88px;}
.form-hint{font-size:12px;color:var(--text-3);margin-top:8px;line-height:1.7;}
.modal-close{
  position:absolute;top:18px;right:18px;
  width:34px;height:34px;border-radius:50%;
  border:1px solid var(--line);background:#fff;color:var(--text-2);
  display:grid;place-items:center;font-size:16px;
}
.modal-close:hover{border-color:var(--accent);color:var(--accent);}
.modal-card{position:relative;}
.privacy-note{font-size:12px;color:var(--text-3);line-height:1.75;margin-top:14px;}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  :root{--pad:28px;}
  .post-grid{grid-template-columns:repeat(3,1fr);}
}
@media (max-width:1023px){
  :root{--sec:80px;--pad:24px;}
  .hero-inner{grid-template-columns:1fr;gap:40px;padding:64px 0 68px;}
  .hero-visual img{aspect-ratio:16/9;}
  .pain-grid{grid-template-columns:repeat(2,1fr);}
  .post-grid{grid-template-columns:repeat(2,1fr);}
  .showcase-grid{grid-template-columns:repeat(2,1fr);}
  .data-inner{grid-template-columns:1fr;gap:36px;}
  .solution-card.offset{transform:none;}
  .solution-card.offset:hover{transform:translateY(-4px);}
  .cta-box{grid-template-columns:1fr;padding:44px 36px;gap:24px;}
  .cta-actions{justify-content:flex-start;}
  .cta-note{text-align:left;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .menu-toggle{display:flex;margin-left:auto;}
  .header-actions .link-quiet{display:none;}
  .nav-chips{
    position:fixed;inset:60px 0 auto 0;
    flex-direction:column;align-items:stretch;gap:0;
    background:#fff;padding:14px 20px 24px;
    border-bottom:1px solid var(--line);
    box-shadow:var(--sh-2);
    max-height:calc(100vh - 60px);overflow-y:auto;
    transform:translateY(-12px);opacity:0;visibility:hidden;
    transition:transform .26s ease,opacity .26s ease,visibility .26s ease;
    z-index:88;flex:none;
  }
  .nav-chips.is-open{transform:translateY(0);opacity:1;visibility:visible;}
  .chip{
    height:48px;border:0;border-radius:10px;background:transparent;
    padding-left:14px;position:relative;font-size:15px;
  }
  .chip.is-active{background:var(--grad-soft);color:var(--brand-2);box-shadow:none;}
  .chip.is-active::before{
    content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;
    background:var(--grad);border-radius:2px;
  }
  .header-inner{min-height:60px;}
}
@media (max-width:767px){
  :root{--sec:60px;--pad:20px;--r-card:16px;--r-lg:20px;}
  body{font-size:15.5px;}
  .brand-text em{display:none;}
  .pain-grid{grid-template-columns:1fr;}
  .solution-grid{grid-template-columns:1fr;}
  .post-grid{grid-template-columns:1fr;}
  .showcase-grid{grid-template-columns:1fr;}
  .data-grid{grid-template-columns:1fr 1fr;gap:24px;}
  .hero-inner{padding:48px 0 56px;}
  .hero-cta{flex-direction:column;align-items:stretch;}
  .hero-cta .btn{width:100%;}
  .hero-badges{gap:8px;}
  .stat-badge{padding:7px 12px;font-size:12px;}
  .section-head{margin-bottom:30px;}
  .cta-box{padding:34px 24px;}
  .cta-actions{flex-direction:column;align-items:stretch;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:0;padding-bottom:20px;}
  .foot-col{border-bottom:1px solid rgba(255,255,255,.1);}
  .foot-col:last-child{border-bottom:0;}
  .foot-col h4{display:none;}
  .foot-col-title{margin-bottom:0;padding:16px 0;cursor:pointer;}
  .foot-col-title i{display:block;}
  .foot-col-list{display:none;padding-bottom:18px;}
  .foot-col.is-open .foot-col-list{display:flex;}
  .footer-brand{padding-bottom:22px;border-bottom:1px solid rgba(255,255,255,.1);}
  .faq-q{padding:16px 18px;font-size:15px;}
  .faq-item.is-open .faq-a{max-height:420px;padding:0 18px 18px;}
  .post-body h3{font-size:16px;}
}
@media (max-width:520px){
  .data-grid{grid-template-columns:1fr;}
  .hero h1{font-size:28px;}
  .modal-card{padding:26px 20px 22px;}
}

/* roulang page: article */
:root{
  --brand:#10E0B0;
  --brand-2:#6D4BFF;
  --accent:#FF6A3D;
  --ink:#0A0C14;
  --bg:#F6F7FB;
  --surface:#FFFFFF;
  --line:#E4E7EF;
  --text:#1B2030;
  --text-2:#5A6275;
  --text-3:#8A93A6;
  --grad:linear-gradient(135deg,#10E0B0 0%,#6D4BFF 100%);
  --r-card:20px;
  --r-lg:24px;
  --r-sm:12px;
  --sh-1:0 2px 8px rgba(10,12,20,.06);
  --sh-2:0 12px 28px rgba(10,12,20,.12);
  --sh-3:0 24px 60px rgba(10,12,20,.24);
  --header-h:72px;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  letter-spacing:.01em;
  color:var(--text);
  background:var(--bg);
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-2);}
button,input,textarea,select{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
: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 32px;}
.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;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.92);
  backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  height:var(--header-h);
  display:flex;align-items:center;gap:24px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:38px;height:38px;border-radius:12px;
  background:var(--grad);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:19px;font-weight:800;
  box-shadow:var(--sh-1);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text b{font-size:18px;font-weight:800;letter-spacing:.02em;}
.brand-text i{font-style:normal;font-size:10.5px;color:var(--text-3);letter-spacing:.06em;}

.nav-chips{display:flex;align-items:center;gap:8px;margin-left:auto;margin-right:auto;flex-wrap:nowrap;}
.chip{
  height:36px;display:inline-flex;align-items:center;
  padding:0 16px;border-radius:999px;
  font-size:14px;color:var(--text-2);
  border:1px solid var(--line);background:#fff;
  white-space:nowrap;transition:all .2s ease;
}
.chip:hover{border-color:var(--brand);color:var(--text);}
.chip.is-active{
  background:var(--grad);color:#fff;border-color:transparent;
  box-shadow:0 4px 12px rgba(16,224,176,.22);
}
.header-actions{display:flex;align-items:center;gap:16px;flex:0 0 auto;}
.link-quiet{font-size:14px;color:var(--text-2);}
.link-quiet:hover{color:var(--brand-2);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  border:1px solid var(--line);background:#fff;
  flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);transition:.25s;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:999px;
  font-size:15px;font-weight:600;letter-spacing:.02em;
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease,background-color .2s ease,color .2s ease;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 20px rgba(109,75,255,.22);}
.btn-primary:hover{color:#fff;filter:brightness(1.06);transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);filter:brightness(.95);}
.btn-ghost{background:#fff;color:var(--brand-2);border:1px solid var(--brand-2);}
.btn-ghost:hover{background:rgba(109,75,255,.08);color:var(--brand-2);}
.btn-outline{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.5);}
.btn-outline:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff;}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 8px 20px rgba(255,106,61,.26);}
.btn-accent:hover{color:#fff;filter:brightness(1.05);transform:translateY(-2px);}

/* ---------- drawer ---------- */
.drawer{
  position:fixed;inset:0;z-index:80;background:#fff;
  padding:80px 20px 40px;overflow-y:auto;
  transform:translateY(-8px);opacity:0;pointer-events:none;transition:.25s ease;
}
.drawer.is-open{transform:translateY(0);opacity:1;pointer-events:auto;}
.drawer-chips{display:flex;flex-direction:column;gap:10px;}
.drawer-chips .chip{
  height:48px;justify-content:flex-start;border:none;border-radius:14px;
  background:#F3F5FA;padding-left:18px;font-size:15px;position:relative;
}
.drawer-chips .chip.is-active{background:var(--grad);color:#fff;box-shadow:none;}
.drawer-chips .chip.is-active::before{
  content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;border-radius:3px;background:#fff;
}
.drawer-close{
  position:absolute;right:20px;top:20px;width:40px;height:40px;border-radius:12px;
  border:1px solid var(--line);font-size:18px;color:var(--text-2);background:#fff;
}
body.no-scroll{overflow:hidden;}

/* ---------- page banner ---------- */
.page-banner{
  position:relative;
  background-image:linear-gradient(135deg,rgba(10,12,20,.86),rgba(10,12,20,.68)),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  color:#fff;padding:44px 0 52px;
}
.page-banner::after{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.09) 1px,transparent 1px);
  background-size:18px 18px;pointer-events:none;
}
.page-banner .container{position:relative;z-index:1;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72);}
.breadcrumb a{color:rgba(255,255,255,.86);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{opacity:.55;}
.page-banner h1{
  margin-top:18px;
  font-size:clamp(26px,3.4vw,40px);line-height:1.28;font-weight:800;
  letter-spacing:.01em;max-width:900px;
}
.banner-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px;}
.tag-pill{
  display:inline-flex;align-items:center;gap:6px;
  height:30px;padding:0 14px;border-radius:999px;font-size:13px;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);color:#fff;
}
.tag-pill.brand{background:var(--grad);border-color:transparent;}

/* ---------- article layout ---------- */
main{display:block;}
.section{padding:64px 0;}
.section-tight{padding:44px 0;}
.article-shell{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);padding:36px 40px;margin-top:-36px;position:relative;z-index:2;
}
.meta-bar{
  display:flex;flex-wrap:wrap;gap:10px 18px;align-items:center;
  padding-bottom:20px;border-bottom:1px solid var(--line);
  font-size:13px;color:var(--text-3);
}
.meta-item{display:inline-flex;align-items:center;gap:6px;}
.meta-item b{color:var(--text-2);font-weight:600;}
.meta-dot{width:4px;height:4px;border-radius:50%;background:var(--line);}
.hero-figure{margin:28px 0 0;border-radius:16px;overflow:hidden;border:1px solid var(--line);}
.hero-figure img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.hero-figure figcaption{font-size:12.5px;color:var(--text-3);padding:10px 4px 0;text-align:center;}

/* ---------- article body ---------- */
.article-body{max-width:780px;margin:32px auto 0;font-size:16px;line-height:1.9;color:var(--text);}
.article-body p{margin:0 0 20px;}
.article-body h2{
  position:relative;font-size:26px;line-height:1.4;font-weight:700;
  margin:44px 0 18px;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;
  border-radius:4px;background:var(--grad);
}
.article-body h3{font-size:20px;font-weight:600;line-height:1.5;margin:32px 0 14px;}
.article-body h4{font-size:17px;font-weight:600;margin:24px 0 10px;}
.article-body ul,.article-body ol{margin:0 0 22px;padding-left:6px;}
.article-body li{position:relative;padding-left:20px;margin-bottom:10px;}
.article-body ul>li::before{
  content:"";position:absolute;left:2px;top:12px;width:6px;height:6px;border-radius:50%;
  background:var(--brand);
}
.article-body ol{counter-reset:li;}
.article-body ol>li{counter-increment:li;padding-left:28px;}
.article-body ol>li::before{
  content:counter(li);position:absolute;left:0;top:2px;
  width:20px;height:20px;border-radius:6px;background:rgba(16,224,176,.14);
  color:#0b9d7c;font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;
}
.article-body blockquote{
  margin:24px 0;padding:18px 22px;border-left:3px solid var(--brand);
  background:#F3FBF8;border-radius:0 14px 14px 0;color:var(--text-2);font-size:15.5px;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:16px;margin:24px auto;border:1px solid var(--line);}
.article-body a{color:var(--brand-2);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--accent);}
.article-body strong{font-weight:700;}
.article-body table{
  width:100%;border-collapse:collapse;margin:24px 0;font-size:14.5px;
  border:1px solid var(--line);border-radius:12px;overflow:hidden;
}
.article-body th{
  background:var(--ink);color:#fff;font-weight:600;text-align:left;padding:12px 14px;
}
.article-body td{padding:12px 14px;border-top:1px solid var(--line);color:var(--text-2);}
.article-body tbody tr:nth-child(even){background:#F8F9FD;}
.article-body .tip,.article-body .note{
  margin:22px 0;padding:16px 18px;border-radius:14px;font-size:15px;
}
.article-body .tip{background:#EDFBF6;border:1px solid rgba(16,224,176,.35);color:#0a6b57;}
.article-body .note{background:#FFF4EF;border:1px solid rgba(255,106,61,.32);color:#9a3a16;}
.article-body hr{border:0;height:1px;background:var(--line);margin:32px 0;}

/* ---------- footer of article ---------- */
.article-foot{
  max-width:780px;margin:36px auto 0;padding-top:26px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
}
.tag-list{display:flex;flex-wrap:wrap;gap:8px;}
.tag{
  height:30px;display:inline-flex;align-items:center;padding:0 14px;border-radius:999px;
  font-size:13px;color:var(--text-2);background:#F3F5FA;border:1px solid var(--line);
}
.tag:hover{border-color:var(--brand);color:var(--text);}
.return-links{display:flex;flex-wrap:wrap;gap:16px;font-size:14px;}
.return-links a{color:var(--brand-2);}
.return-links a:hover{color:var(--accent);}

.empty-state{
  max-width:780px;margin:0 auto;text-align:center;padding:64px 24px;
}
.empty-icon{
  width:64px;height:64px;border-radius:20px;background:var(--grad);
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:26px;font-weight:800;margin:0 auto 18px;
}
.empty-state h2{font-size:22px;font-weight:700;margin-bottom:10px;}
.empty-state p{color:var(--text-2);margin-bottom:22px;}

/* ---------- related ---------- */
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:28px;}
.sec-head h2{font-size:26px;font-weight:700;letter-spacing:.01em;}
.sec-head p{font-size:14.5px;color:var(--text-2);margin-top:6px;}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.card{
  display:flex;flex-direction:column;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(16,224,176,.55);}
.card-cover{aspect-ratio:16/10;overflow:hidden;background:linear-gradient(135deg,rgba(16,224,176,.18),rgba(109,75,255,.18));}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.card:hover .card-cover img{transform:scale(1.04);}
.card-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-cat{font-size:12.5px;color:#0b9d7c;font-weight:600;letter-spacing:.04em;}
.card-body h3{font-size:17.5px;font-weight:700;line-height:1.5;}
.card-body p{font-size:14.5px;color:var(--text-2);line-height:1.75;}
.card-more{margin-top:auto;font-size:14px;color:var(--brand-2);font-weight:600;display:inline-flex;align-items:center;gap:6px;}
.card-more:hover{color:var(--accent);}

/* ---------- cta ---------- */
.cta-band{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  background-image:linear-gradient(135deg,rgba(10,12,20,.9),rgba(109,75,255,.72)),url('/assets/images/backpic/back-3.png');
  background-size:cover;background-position:center;
  color:#fff;padding:44px 40px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;
}
.cta-band h2{font-size:24px;font-weight:700;margin-bottom:8px;}
.cta-band p{font-size:14.5px;color:rgba(255,255,255,.78);max-width:640px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:64px 0 28px;margin-top:72px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;}
.footer-brand .fb-top{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .fb-top b{color:#fff;font-size:18px;font-weight:800;}
.footer-brand p{font-size:14px;line-height:1.8;max-width:320px;}
.foot-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px;}
.foot-col-title{display:none;}
.foot-col-list li{margin-bottom:10px;font-size:14px;}
.foot-col-list a,.foot-col-list span{color:rgba(255,255,255,.68);}
.foot-col-list a:hover{color:var(--brand);}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:12px 24px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.55);
}
.footer-bottom a{color:rgba(255,255,255,.72);}
.footer-bottom a:hover{color:var(--brand);}

/* ---------- responsive ---------- */
@media (max-width:1100px){
  .nav-chips{display:none;}
  .nav-toggle{display:flex;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:1023px){
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .article-shell{padding:28px 26px;}
}
@media (max-width:767px){
  :root{--header-h:60px;}
  .container{padding:0 20px;}
  .brand-text i{display:none;}
  .link-quiet{display:none;}
  .header-inner{gap:12px;}
  .section{padding:56px 0;}
  .page-banner{padding:32px 0 44px;}
  .page-banner h1{margin-top:14px;}
  .article-shell{padding:22px 18px;border-radius:18px;margin-top:-24px;}
  .article-body{margin-top:24px;font-size:16px;}
  .article-body h2{font-size:22px;margin-top:34px;}
  .article-body h3{font-size:18px;}
  .article-body table{display:block;overflow-x:auto;white-space:nowrap;}
  .card-grid{grid-template-columns:1fr;}
  .cta-band{padding:32px 22px;border-radius:18px;}
  .footer-grid{grid-template-columns:1fr;gap:0;}
  .foot-col{border-bottom:1px solid rgba(255,255,255,.12);}
  .foot-col h4{display:none;}
  .foot-col-title{
    display:flex;width:100%;align-items:center;justify-content:space-between;
    padding:16px 0;color:#fff;font-size:15px;font-weight:700;
  }
  .foot-col-title i{font-style:normal;color:var(--brand);transition:transform .25s ease;}
  .foot-col.is-open .foot-col-title i{transform:rotate(45deg);}
  .foot-col-list{display:none;padding-bottom:14px;}
  .foot-col.is-open .foot-col-list{display:block;}
  .footer-grid{padding-top:8px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media (max-width:520px){
  .btn{height:46px;padding:0 20px;font-size:14.5px;}
  .banner-tags{gap:8px;}
  .tag-pill{font-size:12.5px;padding:0 12px;}
  .article-foot{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category1 */
:root{
  --brand:#10E0B0;
  --brand-2:#6D4BFF;
  --accent:#FF6A3D;
  --grad:linear-gradient(135deg,#10E0B0 0%,#6D4BFF 100%);
  --ink:#0A0C14;
  --ink-2:#141827;
  --bg:#F6F7FB;
  --surface:#FFFFFF;
  --line:#E4E7EF;
  --text:#1B2030;
  --text-2:#5A6275;
  --text-3:#8A93A6;
  --r-card:20px;
  --r-lg:24px;
  --r-pill:999px;
  --r-input:14px;
  --sh-1:0 2px 8px rgba(10,12,20,.06);
  --sh-2:0 12px 28px rgba(10,12,20,.12);
  --sh-3:0 24px 60px rgba(10,12,20,.24);
  --sec:96px;
  --w:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.8;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
input,textarea,select{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.container{max-width:var(--w);margin:0 auto;padding:0 32px;width:100%}

/* ---------- 通用元素 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;letter-spacing:.02em;
  border:1px solid transparent;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn-primary{background-image:var(--grad);color:#fff;box-shadow:var(--sh-1)}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0);filter:brightness(.95)}
.btn-accent{background:var(--accent);color:#fff;box-shadow:var(--sh-1)}
.btn-accent:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 12px 28px rgba(255,106,61,.28)}
.btn-accent:active{transform:translateY(0);filter:brightness(.95)}
.btn-ghost{background:rgba(255,255,255,.06);color:#fff;border-color:rgba(255,255,255,.36)}
.btn-ghost:hover{background:rgba(255,255,255,.14);border-color:#fff;transform:translateY(-2px)}
.btn-outline{background:#fff;color:var(--brand-2);border-color:var(--brand-2)}
.btn-outline:hover{background:rgba(109,75,255,.07);transform:translateY(-2px)}
.btn-sm{height:40px;padding:0 20px;font-size:14px}

.badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 14px;border-radius:var(--r-pill);
  font-size:13px;font-weight:600;line-height:1.4;
}
.badge-outline{border:1px solid rgba(255,255,255,.3);background:rgba(255,255,255,.08);color:#E8EBF5}
.badge-soft{background:rgba(16,224,176,.12);color:#0A8E73;border:1px solid rgba(16,224,176,.28)}
.badge-grad{background-image:var(--grad);color:#fff}

.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--brand-2);text-transform:uppercase;
}
.eyebrow::before{content:"";width:26px;height:2px;border-radius:2px;background-image:var(--grad)}

.sec{padding:var(--sec) 0}
.sec-head{max-width:720px;margin-bottom:48px}
.sec-head h2{font-size:clamp(24px,3.2vw,32px);font-weight:700;line-height:1.32;margin-top:14px}
.sec-head p{margin-top:14px;color:var(--text-2);font-size:16px}
.sec-head-center{margin-left:auto;margin-right:auto;text-align:center}
.sec-head-center .eyebrow{justify-content:center}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.92);
  backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:24px;height:72px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:38px;height:38px;border-radius:12px;background-image:var(--grad);
  color:#fff;font-weight:800;font-size:19px;display:flex;align-items:center;justify-content:center;
  letter-spacing:0;box-shadow:0 6px 16px rgba(109,75,255,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text b{font-size:17px;font-weight:800;letter-spacing:.02em}
.brand-text small{font-size:10px;color:var(--text-3);letter-spacing:.06em;margin-top:2px}

.nav-chips{display:flex;align-items:center;gap:8px;flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none;margin:0 auto}
.nav-chips::-webkit-scrollbar{display:none}
.chip{
  display:inline-flex;align-items:center;height:36px;padding:0 16px;border-radius:var(--r-pill);
  font-size:14px;font-weight:600;color:var(--text-2);white-space:nowrap;
  border:1px solid var(--line);background:#fff;transition:all .2s ease;
}
.chip:hover{border-color:var(--brand);color:var(--text)}
.chip.is-active{background-image:var(--grad);color:#fff;border-color:transparent;box-shadow:0 4px 12px rgba(109,75,255,.22)}

.header-actions{display:flex;align-items:center;gap:18px;flex-shrink:0}
.link-sub{font-size:14px;font-weight:600;color:var(--text-2);border-bottom:1px solid transparent;transition:all .2s ease}
.link-sub:hover{color:var(--brand-2);border-bottom-color:var(--brand-2)}

.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:#fff;
  flex-direction:column;align-items:center;justify-content:center;gap:4px;flex-shrink:0;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);transition:transform .25s ease,opacity .25s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

.drawer{
  position:fixed;inset:60px 0 0 0;background:#fff;z-index:79;
  transform:translateX(100%);transition:transform .3s ease;
  overflow-y:auto;padding:24px 20px 48px;display:none;
}
.drawer.is-open{transform:translateX(0)}
.drawer-nav{display:flex;flex-direction:column;gap:4px;margin-bottom:28px}
.drawer-nav a{
  position:relative;padding:14px 16px;border-radius:12px;font-size:15px;font-weight:600;color:var(--text-2);
}
.drawer-nav a.is-active{color:var(--text);background:var(--bg)}
.drawer-nav a.is-active::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:22px;border-radius:3px;background-image:var(--grad);
}
.drawer-cta{display:flex;flex-direction:column;gap:12px}
.drawer-cta .btn{width:100%}

/* ---------- 面包屑 ---------- */
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.66);flex-wrap:wrap}
.crumb a{color:rgba(255,255,255,.86);transition:color .2s ease}
.crumb a:hover{color:var(--brand)}
.crumb .sep{opacity:.5}
.crumb .now{color:#fff;font-weight:600}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;color:#fff;
  background-image:linear-gradient(105deg,rgba(10,12,20,.88) 0%,rgba(10,12,20,.7) 58%,rgba(10,12,20,.52) 100%),
                   url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  padding:44px 0 64px;
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:radial-gradient(rgba(255,255,255,.14) 1px,transparent 1px);
  background-size:22px 22px;
}
.hero .container{position:relative;z-index:2}
.hero-body{display:grid;grid-template-columns:1.35fr .95fr;gap:48px;align-items:center;margin-top:36px}
.hero h1{
  font-size:clamp(30px,4.4vw,46px);font-weight:800;line-height:1.2;letter-spacing:.01em;margin-top:18px;
}
.hero h1 em{font-style:normal;background-image:linear-gradient(135deg,#10E0B0,#9AD9FF);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-lead{margin-top:20px;font-size:16px;line-height:1.9;color:rgba(255,255,255,.8);max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.hero-card{
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-lg);padding:22px;backdrop-filter:blur(2px);
}
.hero-card h3{font-size:15px;font-weight:700;letter-spacing:.04em;color:#fff}
.hero-card-list{margin-top:16px;display:flex;flex-direction:column;gap:12px}
.hero-card-list li{display:flex;gap:12px;align-items:flex-start;font-size:14px;color:rgba(255,255,255,.78);line-height:1.7}
.hero-card-list b{
  width:26px;height:26px;border-radius:9px;flex-shrink:0;margin-top:1px;
  background-image:var(--grad);color:#fff;font-size:12px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
}
.hero-figure{
  border-radius:var(--r-lg);overflow:hidden;border:1px solid rgba(255,255,255,.16);
  aspect-ratio:16/10;background:rgba(255,255,255,.06);
}
.hero-figure img{width:100%;height:100%;object-fit:cover}

/* ---------- 数据条 ---------- */
.stats-strip{background:var(--ink);color:#fff;padding:56px 0}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat{padding-right:16px;border-right:1px solid rgba(255,255,255,.1)}
.stat:last-child{border-right:0}
.stat-num{font-size:clamp(32px,4.4vw,46px);font-weight:800;line-height:1.1;font-variant-numeric:tabular-nums;letter-spacing:-.01em}
.stat-num span{font-size:18px;font-weight:700;margin-left:4px;color:var(--brand)}
.stat-label{margin-top:10px;font-size:14px;color:rgba(255,255,255,.62)}

/* ---------- 分组卡片网格 ---------- */
.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.topic-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--sh-1);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  display:flex;flex-direction:column;
}
.topic-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(16,224,176,.55)}
.topic-icon{
  width:44px;height:44px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:rgba(16,224,176,.12);color:#0A8E73;margin-bottom:18px;
}
.topic-card:nth-child(2n) .topic-icon{background:rgba(109,75,255,.12);color:var(--brand-2)}
.topic-icon svg{width:22px;height:22px}
.topic-card h3{font-size:19px;font-weight:700;line-height:1.4}
.topic-card p{margin-top:12px;font-size:14.5px;color:var(--text-2);line-height:1.85}
.topic-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.tag{
  font-size:12.5px;font-weight:600;color:var(--text-2);
  padding:5px 11px;border-radius:var(--r-pill);background:var(--bg);border:1px solid var(--line);
}
.topic-link{
  margin-top:auto;padding-top:20px;font-size:14px;font-weight:700;color:var(--brand-2);
  display:inline-flex;align-items:center;gap:6px;
}
.topic-link::after{content:"→";transition:transform .2s ease}
.topic-card:hover .topic-link::after{transform:translateX(4px)}

/* ---------- 图文板块 ---------- */
.feature{display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:center}
.feature-figure{
  border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-2);
  aspect-ratio:4/3;background:linear-gradient(135deg,rgba(16,224,176,.16),rgba(109,75,255,.16));
}
.feature-figure img{width:100%;height:100%;object-fit:cover}
.feature h2{font-size:clamp(24px,3.2vw,32px);font-weight:700;line-height:1.34;margin-top:14px}
.feature p{margin-top:16px;color:var(--text-2);line-height:1.9}
.feature-list{margin-top:24px;display:flex;flex-direction:column;gap:14px}
.feature-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px}
.feature-list .dot{
  width:22px;height:22px;border-radius:8px;background-image:var(--grad);color:#fff;
  font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;flex-shrink:0;margin-top:4px;
}

/* ---------- 场景卡片 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.scene-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:28px;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(109,75,255,.45)}
.scene-idx{
  font-size:13px;font-weight:800;letter-spacing:.16em;font-variant-numeric:tabular-nums;
  background-image:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.scene-card h3{font-size:19px;font-weight:700;margin-top:14px;line-height:1.4}
.scene-card p{margin-top:12px;font-size:14.5px;color:var(--text-2);line-height:1.85}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:16px;overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:rgba(16,224,176,.5);box-shadow:var(--sh-1)}
.faq-item summary{
  position:relative;list-style:none;cursor:pointer;padding:20px 56px 20px 24px;
  font-size:16px;font-weight:700;line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:3px;
  background-image:var(--grad);opacity:0;transition:opacity .2s ease;
}
.faq-item[open] summary::before{opacity:1}
.faq-item summary::after{
  content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);
  font-size:20px;font-weight:400;color:var(--text-3);transition:transform .25s ease,color .2s ease;
}
.faq-item[open] summary::after{transform:translateY(-50%) rotate(45deg);color:var(--brand-2)}
.faq-body{padding:0 24px 22px 24px;font-size:15px;color:var(--text-2);line-height:1.9}

/* ---------- CTA ---------- */
.cta-band{padding:0 0 var(--sec)}
.cta-inner{
  position:relative;overflow:hidden;border-radius:var(--r-lg);color:#fff;padding:56px 48px;
  background-image:linear-gradient(120deg,rgba(10,12,20,.9),rgba(20,24,39,.76)),
                   url('/assets/images/backpic/back-3.png');
  background-size:cover;background-position:center;
  display:grid;grid-template-columns:1.4fr auto;gap:32px;align-items:center;
}
.cta-inner h2{font-size:clamp(22px,3vw,30px);font-weight:800;line-height:1.34}
.cta-inner p{margin-top:14px;color:rgba(255,255,255,.76);font-size:15px;max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.7);padding:72px 0 32px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.footer-brand .fb-top{display:flex;align-items:center;gap:10px}
.footer-brand .brand-mark{box-shadow:none}
.footer-brand b{color:#fff;font-size:18px;font-weight:800}
.footer-brand p{margin-top:18px;font-size:14px;line-height:1.9;color:rgba(255,255,255,.62);max-width:380px}
.foot-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:18px}
.foot-col-title{
  display:none;width:100%;background:none;border:0;padding:0;text-align:left;
  font-size:15px;font-weight:700;color:#fff;
}
.foot-col-title i{float:right;font-style:normal;color:var(--brand);font-size:18px;transition:transform .25s ease}
.foot-col-list{display:flex;flex-direction:column;gap:12px}
.foot-col-list a,.foot-col-list span{font-size:14px;color:rgba(255,255,255,.62);line-height:1.7;transition:color .2s ease}
.foot-col-list a:hover{color:var(--brand)}
.footer-bottom{
  margin-top:56px;padding-top:24px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom a{color:rgba(255,255,255,.72)}
.footer-bottom a:hover{color:var(--brand)}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .hero-body{grid-template-columns:1fr;gap:36px}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:32px 24px}
  .stat:nth-child(2n){border-right:0}
}
@media (max-width:1023px){
  :root{--sec:72px}
  .container{padding:0 24px}
  .nav-chips{display:none}
  .header-actions .link-sub{display:none}
  .nav-toggle{display:flex}
  .drawer{display:block}
  .topic-grid{grid-template-columns:repeat(2,1fr)}
  .scene-grid{grid-template-columns:repeat(2,1fr)}
  .feature{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  :root{--sec:56px}
  .container{padding:0 20px}
  .header-inner{height:60px;gap:12px}
  .drawer{inset:60px 0 0 0}
  .brand-mark{width:34px;height:34px;border-radius:10px;font-size:17px}
  .brand-text b{font-size:16px}
  .brand-text small{display:none}
  .header-actions{gap:10px}
  .header-actions .btn{height:36px;padding:0 16px;font-size:13px}
  .hero{padding:28px 0 48px}
  .hero-badges{gap:8px}
  .badge{font-size:12px;padding:6px 11px}
  .stats-grid{grid-template-columns:1fr;gap:24px}
  .stat{border-right:0;padding-right:0;border-bottom:1px solid rgba(255,255,255,.1);padding-bottom:20px}
  .stat:last-child{border-bottom:0;padding-bottom:0}
  .topic-grid{grid-template-columns:1fr}
  .scene-grid{grid-template-columns:1fr}
  .cta-inner{grid-template-columns:1fr;padding:36px 24px}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:0}
  .foot-col{border-bottom:1px solid rgba(255,255,255,.1);padding:18px 0}
  .foot-col h4{display:none}
  .foot-col-title{display:block}
  .foot-col-list{display:none;margin-top:16px}
  .foot-col.is-open .foot-col-list{display:flex}
  .foot-col.is-open .foot-col-title i{transform:rotate(45deg)}
  .footer-brand{padding-bottom:24px;border-bottom:1px solid rgba(255,255,255,.1)}
  .footer-bottom{margin-top:32px;flex-direction:column;gap:8px}
}

/* roulang page: category2 */
/* ============ 设计变量 ============ */
:root{
  --brand:#10E0B0;
  --brand-ink:#07A085;
  --violet:#6D4BFF;
  --cta:#FF6A3D;
  --ink:#0A0C14;
  --bg:#F6F7FB;
  --surface:#FFFFFF;
  --line:#E4E7EF;
  --text:#1B2030;
  --muted:#5A6275;
  --dim:#8A93A6;
  --grad:linear-gradient(135deg,#10E0B0 0%,#6D4BFF 100%);
  --grad-soft:linear-gradient(135deg,rgba(16,224,176,.14),rgba(109,75,255,.14));
  --r-sm:12px;
  --r-md:16px;
  --r-lg:20px;
  --r-xl:24px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(10,12,20,.06);
  --sh-2:0 12px 28px rgba(10,12,20,.12);
  --sh-3:0 24px 60px rgba(10,12,20,.24);
  --header-h:72px;
  --sec-gap:96px;
}
@media (max-width:767px){
  :root{--header-h:60px;--sec-gap:60px;}
}

/* ============ Reset / Base ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  letter-spacing:.01em;
  color:var(--text);
  background:var(--bg);
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,background .2s ease;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;}
h1,h2,h3,h4{margin:0;line-height:1.35;color:var(--text);}
p{margin:0 0 16px;}
ul,ol{margin:0 0 18px;padding-left:1.15em;}
li{margin:6px 0;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
body.no-scroll{overflow:hidden;}

/* ============ 布局容器 ============ */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
@media (max-width:767px){.container{padding:0 20px;}}

.section{padding:var(--sec-gap) 0;}
.sec-head{max-width:760px;margin-bottom:40px;}
.sec-head h2{font-size:clamp(24px,3vw,32px);font-weight:700;}
.sec-head p{margin:12px 0 0;color:var(--muted);font-size:16px;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:transform .18s ease,box-shadow .18s ease,filter .18s ease,background .18s ease,color .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 20px rgba(109,75,255,.20);}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px);color:#fff;}
.btn-primary:active{transform:translateY(0);filter:brightness(.94);}
.btn-ghost{background:#fff;border-color:var(--brand);color:var(--brand-ink);}
.btn-ghost:hover{background:rgba(16,224,176,.08);transform:translateY(-2px);color:var(--brand-ink);}
.btn-cta{background:var(--cta);color:#fff;box-shadow:0 8px 20px rgba(255,106,61,.22);}
.btn-cta:hover{filter:brightness(1.05);transform:translateY(-2px);color:#fff;}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-lg{height:54px;padding:0 32px;font-size:16px;}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand-ink);border-bottom:1px solid transparent;}
.link-more:hover{color:var(--violet);border-bottom-color:var(--violet);}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:24px;height:var(--header-h);}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:36px;height:36px;border-radius:12px;background:var(--grad);color:#fff;
  display:grid;place-items:center;font-weight:800;font-size:18px;line-height:1;flex:0 0 auto;
}
.brand-text b{display:block;font-size:16px;font-weight:800;line-height:1.2;letter-spacing:.02em;}
.brand-text em{display:block;font-style:normal;font-size:11px;line-height:1.3;color:var(--dim);}
.nav-chips{display:flex;align-items:center;gap:8px;flex:1 1 auto;justify-content:center;min-width:0;}
.chip{
  display:inline-flex;align-items:center;height:36px;padding:0 16px;
  border-radius:var(--r-pill);border:1px solid var(--line);background:#fff;
  color:var(--muted);font-size:14px;white-space:nowrap;
  transition:all .2s ease;
}
.chip:hover{border-color:var(--brand);color:var(--text);}
.chip.is-active{
  background:var(--grad);color:#fff;border-color:transparent;
  box-shadow:0 6px 16px rgba(16,224,176,.22);
}
.header-actions{display:flex;align-items:center;gap:14px;flex:0 0 auto;}
.link-quiet{font-size:14px;color:var(--muted);border-bottom:1px solid transparent;}
.link-quiet:hover{color:var(--brand-ink);border-bottom-color:var(--brand-ink);}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:12px;border:1px solid var(--line);
  background:#fff;padding:0;place-items:center;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);transition:transform .25s ease,opacity .25s ease;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

/* 抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(10,12,20,.6);z-index:70;
  opacity:0;pointer-events:none;transition:opacity .3s ease;
}
.drawer-mask.is-open{opacity:1;pointer-events:auto;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);background:#fff;z-index:80;
  transform:translateX(100%);transition:transform .3s ease;
  padding:24px 20px;overflow-y:auto;box-shadow:var(--sh-3);
}
.drawer.is-open{transform:none;}
.drawer-title{font-size:13px;color:var(--dim);margin:0 0 12px;letter-spacing:.08em;}
.drawer-nav{display:flex;flex-direction:column;gap:8px;margin-bottom:24px;}
.drawer-nav .chip{
  height:46px;width:100%;justify-content:flex-start;padding:0 14px;
  border-radius:12px;border-color:transparent;background:var(--bg);position:relative;font-size:15px;
}
.drawer-nav .chip.is-active{background:var(--grad-soft);color:var(--brand-ink);font-weight:600;}
.drawer-nav .chip.is-active::before{
  content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;border-radius:3px;background:var(--grad);
}
.drawer-cta{display:flex;flex-direction:column;gap:10px;}

@media (max-width:1023px){
  .nav-chips{display:none;}
  .nav-toggle{display:grid;}
  .header-actions .link-quiet{display:none;}
}
@media (max-width:520px){
  .header-actions .btn{display:none;}
}

/* ============ 页面 Hero ============ */
.page-hero{position:relative;background:var(--ink);color:#fff;overflow:hidden;}
.page-hero-bg{
  position:absolute;inset:0;z-index:0;
  background-size:cover;background-position:center;
  background-image:url("/assets/images/backpic/back-2.webp");
  opacity:.34;
}
.page-hero::after{
  content:"";position:absolute;inset:0;z-index:1;
  background:
    radial-gradient(120% 90% at 12% 0%,rgba(16,224,176,.20),transparent 55%),
    linear-gradient(115deg,rgba(10,12,20,.94) 0%,rgba(10,12,20,.70) 55%,rgba(10,12,20,.92) 100%);
}
.page-hero-inner{position:relative;z-index:2;padding:56px 0 64px;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.66);margin-bottom:22px;}
.crumb a{color:rgba(255,255,255,.82);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:rgba(255,255,255,.35);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;
  border-radius:var(--r-pill);border:1px solid rgba(255,255,255,.24);
  background:rgba(255,255,255,.08);color:var(--brand);
  font-size:13px;font-weight:600;letter-spacing:.04em;margin-bottom:18px;
}
.eyebrow::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--brand);}
.page-hero h1{
  color:#fff;font-size:clamp(28px,4.4vw,46px);font-weight:800;line-height:1.22;
  letter-spacing:.005em;max-width:880px;
}
.page-hero .lead{
  margin:18px 0 0;max-width:760px;font-size:17px;line-height:1.85;color:rgba(255,255,255,.76);
}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px;}
.badge{
  display:inline-flex;align-items:center;gap:10px;padding:10px 18px;border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);
}
.badge b{font-size:15px;font-weight:800;color:#fff;font-variant-numeric:tabular-nums;}
.badge span{font-size:13px;color:rgba(255,255,255,.68);}
.badge i{
  width:8px;height:8px;border-radius:50%;background:var(--grad);flex:0 0 auto;font-style:normal;
}
@media (max-width:767px){
  .page-hero-inner{padding:36px 0 44px;}
  .page-hero .lead{font-size:15.5px;}
  .badge{padding:8px 14px;}
}

/* ============ 指南布局：左侧锚点目录 + 右侧长文 ============ */
.guide-section{padding:72px 0 var(--sec-gap);}
.guide-layout{display:grid;grid-template-columns:260px minmax(0,1fr);gap:48px;align-items:start;}
.guide-toc{position:sticky;top:calc(var(--header-h) + 24px);}
.toc-inner{border:1px solid var(--line);border-radius:var(--r-lg);background:var(--surface);padding:20px;box-shadow:var(--sh-1);}
.toc-title{margin:0 0 12px;font-size:13px;letter-spacing:.08em;color:var(--dim);}
.toc-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px;}
.toc-list a{
  display:block;padding:9px 12px;border-radius:10px;font-size:14px;color:var(--muted);
  border-left:2px solid transparent;transition:all .2s ease;
}
.toc-list a:hover{background:var(--bg);color:var(--text);}
.toc-list a.is-current{background:var(--grad-soft);color:var(--brand-ink);border-left-color:var(--brand);font-weight:600;}
.toc-head{display:none;width:100%;align-items:center;justify-content:space-between;gap:12px;background:none;border:0;padding:0;font-size:16px;font-weight:700;color:var(--text);}
.toc-head i{font-style:normal;font-size:18px;color:var(--dim);transition:transform .25s ease;}
.guide-toc.is-open .toc-head i{transform:rotate(45deg);}
.toc-foot{margin-top:16px;padding-top:14px;border-top:1px solid var(--line);font-size:13px;color:var(--dim);}
.toc-foot a{color:var(--brand-ink);font-weight:600;}

@media (max-width:1023px){
  .guide-layout{grid-template-columns:1fr;gap:24px;}
  .guide-toc{position:static;}
  .toc-head{display:flex;}
  .toc-title{display:none;}
  .toc-list{margin-top:14px;display:none;}
  .guide-toc.is-open .toc-list{display:flex;}
  .guide-toc.is-open .toc-foot{display:block;}
  .toc-foot{display:none;}
}

/* ============ 长文排版 ============ */
.guide-body{min-width:0;max-width:820px;}
.gsec{margin-bottom:64px;scroll-margin-top:calc(var(--header-h) + 24px);}
.gsec:last-child{margin-bottom:0;}
.gsec h2{
  position:relative;padding-left:16px;margin-bottom:20px;
  font-size:clamp(22px,2.6vw,30px);font-weight:700;letter-spacing:.005em;
}
.gsec h2::before{
  content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:4px;border-radius:4px;background:var(--grad);
}
.gsec h3{font-size:20px;font-weight:600;margin:32px 0 12px;}
.gsec p{color:#333A4D;font-size:16px;line-height:1.85;}
.gsec strong{font-weight:700;color:var(--text);}

.fig{
  margin:26px 0;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;background:#fff;box-shadow:var(--sh-1);
}
.fig img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.fig figcaption{padding:10px 16px;font-size:13px;color:var(--dim);border-top:1px solid var(--line);}

.note{
  border-left:3px solid var(--brand);background:rgba(16,224,176,.08);
  padding:14px 20px;border-radius:0 var(--r-sm) var(--r-sm) 0;
  font-size:15px;color:var(--muted);margin:20px 0;
}
.note.warn{border-left-color:var(--cta);background:rgba(255,106,61,.08);}
.note b{color:var(--text);}

.quote{
  margin:22px 0;padding:18px 22px;border-left:3px solid var(--violet);
  background:#fff;border-radius:0 var(--r-sm) var(--r-sm) 0;color:var(--muted);font-size:15.5px;
}

.order-list{list-style:none;padding:0;counter-reset:step;}
.order-list li{
  position:relative;padding-left:44px;margin:14px 0;color:#333A4D;
}
.order-list li::before{
  counter-increment:step;content:counter(step,decimal-leading-zero);
  position:absolute;left:0;top:3px;
  width:30px;height:30px;border-radius:10px;background:var(--grad-soft);
  color:var(--brand-ink);font-size:12px;font-weight:800;
  display:grid;place-items:center;font-variant-numeric:tabular-nums;
}

.p-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin:24px 0;}
.p-card{
  border:1px solid var(--line);border-radius:18px;background:#fff;padding:22px;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.p-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(16,224,176,.5);}
.p-card h4{font-size:16px;font-weight:700;margin:0 0 8px;}
.p-card p{font-size:14px;color:var(--muted);margin:0;line-height:1.75;}
@media (max-width:767px){.p-grid{grid-template-columns:1fr;}}

.tbl-wrap{border:1px solid var(--line);border-radius:18px;background:#fff;overflow:hidden;margin:24px 0;}
.tbl-scroll{overflow-x:auto;}
table{width:100%;border-collapse:collapse;font-size:15px;min-width:560px;}
thead th{
  background:var(--ink);color:#fff;text-align:left;font-size:14px;font-weight:600;
  padding:14px 20px;white-space:nowrap;
}
tbody td{padding:14px 20px;border-top:1px solid var(--line);color:var(--muted);vertical-align:top;}
tbody tr:hover td{background:var(--bg);color:var(--text);}
tbody td:first-child{color:var(--text);font-weight:600;}

@media (max-width:640px){
  table{min-width:0;}
  thead{display:none;}
  tbody tr{display:block;border-top:1px solid var(--line);padding:8px 0;}
  tbody tr:first-child{border-top:0;}
  tbody td{display:flex;gap:14px;border:0;padding:7px 18px;font-size:14.5px;}
  tbody td::before{
    content:attr(data-label);flex:0 0 84px;color:var(--dim);font-size:13px;font-weight:500;
  }
  tbody td:first-child{font-weight:700;}
}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:12px;margin-top:8px;}
.faq-item{
  border:1px solid var(--line);border-radius:var(--r-lg);background:#fff;overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item.is-open{border-color:rgba(16,224,176,.55);box-shadow:var(--sh-1);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:none;border:0;padding:20px 24px;text-align:left;
  font-size:16px;font-weight:600;color:var(--text);position:relative;
}
.faq-q i{
  flex:0 0 auto;font-style:normal;font-size:20px;line-height:1;color:var(--dim);
  transition:transform .28s ease,color .2s ease;
}
.faq-item.is-open .faq-q i{transform:rotate(45deg);color:var(--brand-ink);}
.faq-item.is-open .faq-q::before{
  content:"";position:absolute;left:0;top:16px;bottom:16px;width:3px;border-radius:3px;background:var(--grad);
}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease;}
.faq-a p{padding:0 24px 20px;margin:0;font-size:15px;color:var(--muted);line-height:1.85;}

/* ============ CTA ============ */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-xl);background:var(--ink);color:#fff;
  padding:56px 48px;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(90% 130% at 88% 10%,rgba(109,75,255,.34),transparent 58%),
             radial-gradient(80% 120% at 6% 92%,rgba(16,224,176,.24),transparent 60%);
}
.cta-inner{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:40px;align-items:center;}
.cta-inner h2{color:#fff;font-size:clamp(22px,2.8vw,30px);font-weight:700;}
.cta-inner p{margin:14px 0 0;color:rgba(255,255,255,.74);font-size:15.5px;max-width:520px;}
.cta-form{display:flex;flex-direction:column;gap:12px;}
.field{display:flex;flex-direction:column;gap:6px;}
.field label{font-size:13px;color:rgba(255,255,255,.72);}
.field label .req{color:var(--cta);margin-left:4px;}
.field input{
  height:48px;border-radius:var(--r-sm);border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.06);color:#fff;padding:0 16px;font-size:15px;
  transition:border-color .2s ease,background .2s ease;
}
.field input::placeholder{color:rgba(255,255,255,.38);}
.field input:focus{outline:none;border-color:var(--brand);background:rgba(255,255,255,.1);}
.cta-hint{font-size:12.5px;color:rgba(255,255,255,.5);margin:0;line-height:1.7;}
.cta-msg{font-size:13px;color:var(--brand);margin:0;display:none;}
.cta-msg.is-show{display:block;}
@media (max-width:900px){
  .cta-inner{grid-template-columns:1fr;gap:28px;}
  .cta-band{padding:40px 24px;}
}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:64px 0 28px;margin-top:var(--sec-gap);}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;}
.footer-brand .fb-top{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .fb-top b{color:#fff;font-size:16px;font-weight:800;letter-spacing:.02em;}
.footer-brand .brand-mark{width:34px;height:34px;border-radius:11px;font-size:17px;}
.footer-brand p{margin:0;font-size:14px;line-height:1.8;color:rgba(255,255,255,.6);max-width:320px;}
.foot-col h4{color:#fff;font-size:15px;font-weight:700;margin:0 0 16px;}
.foot-col-title{
  display:none;width:100%;align-items:center;justify-content:space-between;
  background:none;border:0;padding:14px 0;color:#fff;font-size:15px;font-weight:700;text-align:left;
}
.foot-col-title i{font-style:normal;color:rgba(255,255,255,.5);font-size:18px;transition:transform .25s ease;}
.foot-col.is-open .foot-col-title i{transform:rotate(45deg);}
.foot-col-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px;}
.foot-col-list li{font-size:14px;color:rgba(255,255,255,.62);line-height:1.7;}
.foot-col-list a{color:rgba(255,255,255,.62);}
.foot-col-list a:hover{color:var(--brand);}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:12px 24px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.45);
}
.footer-bottom a{color:rgba(255,255,255,.62);}
.footer-bottom a:hover{color:var(--brand);}

@media (max-width:900px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:640px){
  .site-footer{padding:36px 0 20px;}
  .footer-grid{grid-template-columns:1fr;gap:0;}
  .footer-brand{margin-bottom:20px;}
  .foot-col{border-top:1px solid rgba(255,255,255,.1);}
  .foot-col h4{display:none;}
  .foot-col-title{display:flex;}
  .foot-col-list{display:none;padding-bottom:18px;}
  .foot-col.is-open .foot-col-list{display:flex;}
  .footer-bottom{margin-top:24px;flex-direction:column;gap:8px;}
}

/* roulang page: category3 */
:root{
  --brand:#10E0B0;
  --brand-2:#6D4BFF;
  --brand-ink:#0A9B7A;
  --brand-ink-2:#0A7A61;
  --cta:#FF6A3D;
  --grad:linear-gradient(135deg,#10E0B0 0%,#6D4BFF 100%);
  --ink:#0A0C14;
  --bg:#F6F7FB;
  --surface:#FFFFFF;
  --line:#E4E7EF;
  --text:#1B2030;
  --text-2:#5A6275;
  --text-3:#8A93A6;
  --r-sm:12px;
  --r-md:16px;
  --r-card:20px;
  --r-lg:24px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(10,12,20,.06);
  --sh-2:0 12px 28px rgba(10,12,20,.12);
  --sh-3:0 24px 60px rgba(10,12,20,.24);
  --maxw:1200px;
  --sec:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:96px}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  letter-spacing:.01em;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
body.nav-open{overflow:hidden}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:8px}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 32px}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.97);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:20px;height:72px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:36px;height:36px;border-radius:11px;background:var(--grad);
  color:#fff;font-weight:800;font-size:17px;display:grid;place-items:center;letter-spacing:0;
}
.brand-text b{display:block;font-size:16px;font-weight:800;line-height:1.15;letter-spacing:.02em}
.brand-text i{display:block;font-style:normal;font-size:11px;color:var(--text-3);letter-spacing:.02em}
.nav-chips{
  display:flex;align-items:center;gap:8px;flex:1 1 auto;
  justify-content:center;overflow-x:auto;scrollbar-width:none;
  padding:6px 4px;
}
.nav-chips::-webkit-scrollbar{display:none}
.chip{
  display:inline-flex;align-items:center;flex:0 0 auto;
  height:36px;padding:0 16px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:#fff;
  color:var(--text-2);font-size:14px;line-height:1;
  transition:border-color .2s ease,color .2s ease,background .2s ease,box-shadow .2s ease;
}
.chip:hover{border-color:var(--brand);color:var(--text)}
.chip.is-active{
  background:var(--grad);color:#fff;border-color:transparent;
  box-shadow:0 4px 12px rgba(16,224,176,.22);
}
.header-actions{display:flex;align-items:center;gap:14px;flex:0 0 auto}
.link-quiet{font-size:14px;color:var(--text-2);transition:color .2s ease}
.link-quiet:hover{color:var(--brand-ink)}
.nav-toggle{
  display:none;width:40px;height:40px;padding:0;border-radius:12px;
  border:1px solid var(--line);background:#fff;cursor:pointer;
  flex-direction:column;justify-content:center;align-items:center;gap:4px;
}
.nav-toggle span{display:block;width:16px;height:2px;border-radius:2px;background:var(--text)}
.mobile-drawer{
  position:fixed;left:0;right:0;top:60px;bottom:0;z-index:70;
  background:#fff;border-top:1px solid var(--line);
  padding:18px 20px 44px;overflow-y:auto;display:none;
}
.mobile-drawer.is-open{display:block;animation:drawerIn .22s ease}
@keyframes drawerIn{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:none}}
.drawer-nav{display:grid;gap:10px}
.drawer-link{
  position:relative;display:flex;align-items:center;justify-content:space-between;
  padding:14px 16px;border-radius:14px;border:1px solid var(--line);
  font-size:15px;color:var(--text);transition:.2s ease;
}
.drawer-link span{font-size:12px;color:var(--text-3)}
.drawer-link:hover{border-color:var(--brand)}
.drawer-link.is-active{
  border-color:transparent;background:rgba(16,224,176,.08);
  color:var(--brand-ink-2);font-weight:600;
}
.drawer-link.is-active::before{
  content:"";position:absolute;left:0;top:11px;bottom:11px;width:3px;
  border-radius:3px;background:var(--grad);
}
.drawer-actions{display:grid;gap:12px;margin-top:22px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1;border:1px solid transparent;
  cursor:pointer;transition:transform .2s ease,filter .2s ease,background .2s ease,border-color .2s ease,box-shadow .2s ease;
  white-space:nowrap;
}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 20px rgba(16,224,176,.2)}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px)}
.btn-primary:active{transform:none;filter:brightness(.96)}
.btn-ghost{background:#fff;border-color:var(--brand);color:var(--brand-ink)}
.btn-ghost:hover{background:rgba(16,224,176,.08)}
.btn-ghost:active{transform:none;background:rgba(16,224,176,.14)}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.45);color:#fff}
.btn-outline-light:hover{border-color:#fff;background:rgba(255,255,255,.1)}

/* ---------- 首屏 ---------- */
.page-hero{position:relative;background:var(--ink);color:#fff;padding:60px 0 72px;overflow:hidden}
.hero-bg{
  position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-2.webp);
  background-size:cover;background-position:center;opacity:.34;
}
.hero-veil{
  position:absolute;inset:0;
  background:
    radial-gradient(circle at 18% 22%, rgba(16,224,176,.2), transparent 56%),
    linear-gradient(180deg, rgba(10,12,20,.72) 0%, rgba(10,12,20,.92) 100%);
}
.hero-inner{position:relative;z-index:2;max-width:840px}
.breadcrumb{font-size:13px;color:rgba(255,255,255,.62)}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.breadcrumb li{display:flex;align-items:center;gap:8px}
.breadcrumb li+li::before{content:"›";color:rgba(255,255,255,.35)}
.breadcrumb a{color:rgba(255,255,255,.72);transition:color .2s ease}
.breadcrumb a:hover{color:#fff}
.breadcrumb [aria-current="page"]{color:rgba(255,255,255,.92)}
.page-hero h1{
  margin-top:20px;
  font-size:clamp(28px,4.2vw,48px);
  line-height:1.22;font-weight:800;letter-spacing:.01em;
}
.hero-lead{
  margin-top:18px;max-width:740px;
  font-size:17px;line-height:1.85;color:rgba(255,255,255,.8);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}
.badge{
  display:inline-flex;align-items:center;gap:8px;
  height:38px;padding:0 16px;border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.06);
  font-size:13px;color:rgba(255,255,255,.82);
}
.badge b{font-size:15px;color:#fff;font-variant-numeric:tabular-nums;font-weight:800}

/* ---------- 板块 ---------- */
.section{padding:var(--sec) 0}
.section-alt{background:#fff}
.section-head{max-width:780px;margin-bottom:48px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(16,224,176,.12);color:var(--brand-ink-2);
  font-size:13px;font-weight:600;letter-spacing:.02em;
}
.section-title{margin-top:16px;font-size:clamp(24px,3vw,32px);font-weight:700;line-height:1.32}
.section-sub{margin-top:14px;font-size:16px;line-height:1.85;color:var(--text-2)}

/* ---------- 步骤时间线 ---------- */
.timeline{margin-top:8px}
.tl-item{position:relative;display:grid;grid-template-columns:56px 1fr;gap:20px;padding-bottom:38px}
.tl-item:last-child{padding-bottom:0}
.tl-item:not(:last-child)::before{
  content:"";position:absolute;left:27px;top:46px;bottom:-4px;width:2px;
  background:linear-gradient(180deg,var(--brand),var(--brand-2));opacity:.32;
}
.tl-dot{
  width:40px;height:40px;border-radius:50%;background:var(--grad);
  color:#fff;font-weight:800;font-size:15px;font-variant-numeric:tabular-nums;
  display:grid;place-items:center;justify-self:center;margin-top:4px;
  box-shadow:0 8px 18px rgba(16,224,176,.22);
}
.tl-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px 26px;box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease,background-image .25s ease;
}
.tl-card:hover{
  transform:translateY(-4px);box-shadow:var(--sh-2);border-color:transparent;
  background-image:linear-gradient(#fff,#fff),var(--grad);
  background-origin:border-box;background-clip:padding-box,border-box;
}
.tl-title{font-size:20px;font-weight:600;line-height:1.45}
.tl-text{margin-top:10px;font-size:15.5px;line-height:1.85;color:var(--text-2)}
.tl-tip{
  display:flex;gap:8px;margin-top:14px;padding:10px 14px;border-radius:var(--r-sm);
  background:rgba(16,224,176,.08);color:var(--brand-ink-2);font-size:13.5px;line-height:1.7;
}
.tl-figure{
  margin-top:18px;border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;background:#fff;
}
.tl-figure img{width:100%;aspect-ratio:16/9;object-fit:cover}
.tl-figure figcaption{
  padding:10px 14px;border-top:1px solid var(--line);
  font-size:13px;color:var(--text-3);line-height:1.7;
}

/* ---------- 卡片网格 ---------- */
.grid{display:grid;gap:24px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{
  display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease,background-image .25s ease;
}
.card:hover{
  transform:translateY(-4px);box-shadow:var(--sh-2);border-color:transparent;
  background-image:linear-gradient(#fff,#fff),var(--grad);
  background-origin:border-box;background-clip:padding-box,border-box;
}
.card-icon{
  width:44px;height:44px;border-radius:var(--r-pill);
  background:rgba(16,224,176,.12);color:var(--brand-ink-2);
  display:grid;place-items:center;font-size:14px;font-weight:800;
  margin-bottom:16px;font-variant-numeric:tabular-nums;
}
.card-title{font-size:18px;font-weight:600;line-height:1.5}
.card-text{margin-top:10px;flex:1 1 auto;font-size:14.5px;line-height:1.8;color:var(--text-2)}
.card-link{
  align-self:flex-start;margin-top:16px;padding-bottom:2px;
  font-size:14px;font-weight:600;color:var(--brand-ink);
  border-bottom:1px solid rgba(16,224,176,.45);transition:color .2s ease,border-color .2s ease;
}
.card-link:hover{color:var(--brand-ink-2);border-color:var(--brand-ink-2)}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 10px;
  border-radius:var(--r-pill);border:1px solid var(--line);
  font-size:12.5px;color:var(--text-2);background:#fff;
}

/* ---------- 深色数据区 ---------- */
.dark-band{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  background:var(--ink);color:#fff;padding:56px;
}
.band-bg{
  position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-3.png);
  background-size:cover;background-position:center;opacity:.15;
}
.band-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.band-title{font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.35}
.band-text{margin-top:14px;font-size:15.5px;line-height:1.85;color:rgba(255,255,255,.72)}
.stat-row{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.stat b{
  display:block;font-size:clamp(34px,4.4vw,52px);font-weight:800;line-height:1.05;
  font-variant-numeric:tabular-nums;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat span{display:block;margin-top:10px;font-size:14px;line-height:1.7;color:rgba(255,255,255,.66)}
.checklist{display:grid;gap:14px;margin-top:22px}
.checklist li{display:flex;gap:12px;align-items:flex-start;font-size:15px;line-height:1.8;color:rgba(255,255,255,.82)}
.checklist li::before{
  content:"✓";flex:0 0 22px;height:22px;margin-top:5px;border-radius:var(--r-pill);
  background:rgba(16,224,176,.18);color:var(--brand);
  display:grid;place-items:center;font-size:12px;line-height:1;
}

/* ---------- FAQ ---------- */
.faq{display:grid;gap:14px;max-width:900px}
.faq-item{
  position:relative;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-md);overflow:hidden;transition:box-shadow .2s ease,border-color .2s ease;
}
.faq-item:hover{border-color:rgba(16,224,176,.55)}
.faq-item.is-open{border-color:transparent;box-shadow:var(--sh-2)}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:var(--grad);opacity:0;transition:opacity .25s ease;
}
.faq-item.is-open::before{opacity:1}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;background:none;border:0;text-align:left;cursor:pointer;
  font-size:16.5px;font-weight:600;color:var(--text);line-height:1.6;
}
.faq-q i{font-style:normal;font-size:20px;color:var(--brand-ink);flex:0 0 auto;transition:transform .25s ease}
.faq-item.is-open .faq-q i{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a p{padding:0 24px 22px;font-size:15px;line-height:1.85;color:var(--text-2)}

/* ---------- CTA 与表单 ---------- */
.cta-card{
  display:grid;grid-template-columns:1fr 1fr;gap:44px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:44px;box-shadow:var(--sh-1);
}
.cta-copy h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.35}
.cta-copy p{margin-top:14px;font-size:15.5px;line-height:1.85;color:var(--text-2)}
.cta-points{display:grid;gap:12px;margin-top:24px}
.cta-points li{display:flex;gap:10px;font-size:14.5px;line-height:1.75;color:var(--text-2)}
.cta-points li::before{
  content:"";flex:0 0 8px;height:8px;margin-top:9px;border-radius:var(--r-pill);
  background:var(--grad);
}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:8px}
.field-full{grid-column:1 / -1}
.field label{font-size:13.5px;font-weight:600;color:var(--text)}
.req{color:var(--cta)}
.field input,.field select,.field textarea{
  width:100%;font-family:inherit;font-size:15px;line-height:1.5;color:var(--text);
  background:#fff;border:1px solid var(--line);border-radius:var(--r-sm);
  padding:12px 14px;transition:border-color .2s ease,box-shadow .2s ease;
}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3)}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(16,224,176,.16);
}
.field textarea{min-height:112px;resize:vertical}
.hint{font-size:12.5px;line-height:1.7;color:var(--text-3)}
.form-note{margin-top:16px;font-size:12.5px;line-height:1.75;color:var(--text-3)}
.form-tip{
  margin-top:18px;padding:12px 16px;border-radius:var(--r-sm);
  background:rgba(16,224,176,.1);border:1px solid rgba(16,224,176,.3);
  color:var(--brand-ink-2);font-size:14px;line-height:1.7;
}
.form-actions{margin-top:22px;display:flex;flex-wrap:wrap;gap:14px;align-items:center}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}
.fb-top{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.fb-top b{color:#fff;font-size:16px;font-weight:800;letter-spacing:.02em}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.6);max-width:320px}
.foot-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px}
.foot-col-title{display:none}
.foot-col-list{display:grid;gap:10px}
.foot-col-list a,.foot-col-list span{font-size:14px;line-height:1.7;color:rgba(255,255,255,.62);transition:color .2s ease}
.foot-col-list a:hover{color:var(--brand)}
.footer-bottom{
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:16px;
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom a{color:rgba(255,255,255,.72)}
.footer-bottom a:hover{color:var(--brand)}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .nav-chips{
    justify-content:flex-start;
    -webkit-mask-image:linear-gradient(90deg,transparent 0,#000 18px,#000 calc(100% - 18px),transparent 100%);
    mask-image:linear-gradient(90deg,transparent 0,#000 18px,#000 calc(100% - 18px),transparent 100%);
  }
  .grid-4{grid-template-columns:repeat(3,1fr)}
  .band-grid{gap:36px}
}
@media (max-width:1023px){
  :root{--sec:72px}
  .nav-chips{display:none}
  .header-actions .link-quiet{display:none}
  .nav-toggle{display:flex}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .band-grid{grid-template-columns:1fr}
  .cta-card{grid-template-columns:1fr;gap:30px;padding:34px}
  .band-grid{gap:32px}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:28px}
  .page-hero{padding:44px 0 56px}
  .dark-band{padding:40px}
}
@media (min-width:1024px){
  .mobile-drawer{display:none!important}
}
@media (max-width:767px){
  :root{--sec:56px}
  .container{padding:0 20px}
  .header-inner{height:60px}
  .brand-text i{display:none}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .section-head{margin-bottom:32px}
  .page-hero{padding:36px 0 48px}
  .hero-actions .btn{flex:1 1 100%}
  .timeline .tl-item{grid-template-columns:44px 1fr;gap:14px}
  .tl-item:not(:last-child)::before{left:21px;top:40px}
  .tl-dot{width:34px;height:34px;font-size:14px}
  .tl-card{padding:20px 18px}
  .dark-band{padding:32px 22px;border-radius:var(--r-card)}
  .stat-row{grid-template-columns:repeat(2,1fr);gap:18px}
  .faq-q{padding:16px 18px;font-size:15.5px}
  .faq-a p{padding:0 18px 18px}
  .cta-card{padding:26px 20px}
  .form-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:0}
  .footer-brand{margin-bottom:12px}
  .foot-col h4{display:none}
  .foot-col-title{
    display:flex;width:100%;align-items:center;justify-content:space-between;
    padding:16px 0;background:none;border:0;border-top:1px solid rgba(255,255,255,.12);
    color:#fff;font-size:15px;font-weight:600;cursor:pointer;
  }
  .foot-col-title i{font-style:normal;color:var(--brand);transition:transform .25s ease}
  .foot-col.is-open .foot-col-title i{transform:rotate(45deg)}
  .foot-col-list{display:none;padding-bottom:18px}
  .foot-col.is-open .foot-col-list{display:grid}
  .footer-bottom{margin-top:32px}
}
@media (max-width:520px){
  .stat-row{grid-template-columns:1fr}
  .hero-badges{gap:10px}
  .badge{height:34px;padding:0 12px;font-size:12.5px}
  .brand-text b{font-size:15px}
}

/* roulang page: category4 */
:root{
  --brand:#10E0B0;
  --brand-2:#6D4BFF;
  --brand-ink:#0B8F72;
  --cta:#FF6A3D;
  --ink:#0A0C14;
  --bg:#F6F7FB;
  --surface:#FFFFFF;
  --line:#E4E7EF;
  --text:#1B2030;
  --muted:#5A6275;
  --weak:#8A93A6;
  --grad:linear-gradient(135deg,#10E0B0 0%,#6D4BFF 100%);
  --r-card:20px;
  --r-lg:24px;
  --r-pill:999px;
  --r-input:12px;
  --sh-1:0 2px 8px rgba(10,12,20,.06);
  --sh-2:0 12px 28px rgba(10,12,20,.12);
  --sh-3:0 24px 60px rgba(10,12,20,.24);
  --container:1200px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.8;
  letter-spacing:.01em;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:12px;}
a{color:var(--text);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-ink);}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
h1,h2,h3,h4{line-height:1.25;letter-spacing:0;}
samp,var{font-variant-numeric:tabular-nums;}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 32px;
}

.skip-link{
  position:absolute;left:-9999px;top:0;z-index:200;
  background:var(--ink);color:#fff;padding:10px 18px;border-radius:0 0 12px 0;
}
.skip-link:focus{left:0;color:#fff;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;align-items:center;gap:24px;
  height:72px;
}
.logo{
  display:inline-flex;align-items:center;gap:10px;
  flex:0 0 auto;
}
.brand-mark{
  width:36px;height:36px;border-radius:12px;
  background:var(--grad);
  color:#fff;font-size:18px;font-weight:800;
  display:inline-flex;align-items:center;justify-content:center;
  letter-spacing:0;
}
.logo-text{display:flex;flex-direction:column;line-height:1.15;}
.logo-text b{font-size:17px;font-weight:800;letter-spacing:.02em;}
.logo-text span{font-size:10px;color:var(--weak);letter-spacing:.06em;}

.nav-chips{
  display:flex;align-items:center;gap:8px;
  flex:1 1 auto;justify-content:center;
  min-width:0;
}
.chip{
  display:inline-flex;align-items:center;
  height:36px;padding:0 16px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:#fff;
  font-size:14px;color:var(--muted);
  white-space:nowrap;
  transition:border-color .2s ease,color .2s ease,background .2s ease,box-shadow .2s ease;
}
.chip:hover{border-color:var(--brand);color:var(--text);}
.chip:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.chip.is-active{
  background:var(--grad);
  border-color:transparent;
  color:#fff;
  box-shadow:0 4px 14px rgba(16,224,176,.22);
}
.chip.is-active:hover{color:#fff;}

.header-actions{
  display:flex;align-items:center;gap:16px;
  flex:0 0 auto;
}
.text-link{
  font-size:14px;color:var(--muted);
  border-bottom:1px solid transparent;
  padding-bottom:2px;
}
.text-link:hover{color:var(--brand-ink);border-bottom-color:var(--brand);}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-pill);
  font-size:15px;font-weight:600;
  border:1px solid transparent;
  transition:transform .2s ease,filter .2s ease,background .2s ease,border-color .2s ease,color .2s ease,box-shadow .2s ease;
  white-space:nowrap;
}
.btn-primary{
  background:var(--grad);
  color:#fff;
  height:48px;padding:0 26px;
}
.btn-primary:hover{filter:brightness(1.07);transform:translateY(-2px);color:#fff;}
.btn-primary:active{transform:translateY(0);filter:brightness(.95);}
.btn-primary:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}

.btn-secondary{
  background:#fff;
  border-color:var(--brand);
  color:var(--brand-ink);
  height:48px;padding:0 24px;
}
.btn-secondary:hover{background:rgba(16,224,176,.08);color:var(--brand-ink);transform:translateY(-2px);}
.btn-secondary:active{transform:translateY(0);}
.btn-secondary:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}

.btn-sm{height:38px;padding:0 18px;font-size:14px;}
.btn:disabled{opacity:.4;cursor:not-allowed;}

.hamburger{
  display:none;
  width:42px;height:42px;border-radius:12px;
  border:1px solid var(--line);background:#fff;
  align-items:center;justify-content:center;
  flex-direction:column;gap:4px;
}
.hamburger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);transition:transform .2s ease,opacity .2s ease;}
.hamburger:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}

.scrim{
  position:fixed;inset:0;z-index:70;
  background:rgba(10,12,20,.6);
  opacity:0;visibility:hidden;
  transition:opacity .25s ease,visibility .25s ease;
}
.scrim.is-open{opacity:1;visibility:visible;}

.drawer{
  position:fixed;top:0;right:0;bottom:0;z-index:80;
  width:min(86vw,360px);
  background:#fff;
  padding:24px 20px 40px;
  display:flex;flex-direction:column;gap:8px;
  transform:translateX(102%);
  transition:transform .28s ease;
  overflow-y:auto;
  box-shadow:var(--sh-3);
}
.drawer.is-open{transform:none;}
.drawer-head{
  display:flex;align-items:center;justify-content:space-between;
  margin-bottom:16px;
}
.drawer-head b{font-size:16px;}
.drawer-close{
  width:36px;height:36px;border-radius:10px;border:1px solid var(--line);background:#fff;
  font-size:18px;line-height:1;color:var(--muted);
}
.drawer .chip{
  height:48px;justify-content:flex-start;border-radius:14px;
  padding:0 16px;font-size:15px;color:var(--text);
}
.drawer .chip.is-active{
  background:rgba(16,224,176,.10);
  border-color:transparent;
  color:var(--brand-ink);
  position:relative;
  padding-left:20px;
  box-shadow:none;
  font-weight:600;
}
.drawer .chip.is-active::before{
  content:"";position:absolute;left:8px;top:12px;bottom:12px;width:3px;border-radius:3px;background:var(--grad);
}
.drawer-cta{margin-top:20px;display:flex;flex-direction:column;gap:12px;}
.drawer-cta .btn{width:100%;}

body.is-locked{overflow:hidden;}

/* ---------- breadcrumb ---------- */
.crumb-bar{padding-top:28px;}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--weak);
}
.breadcrumb li{display:inline-flex;align-items:center;gap:8px;}
.breadcrumb li+li::before{content:"›";color:var(--line);font-size:14px;}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--brand-ink);}
.breadcrumb [aria-current="page"]{color:var(--text);font-weight:600;}

/* ---------- hero ---------- */
.hero-section{padding:24px 0 0;}
.hero{
  position:relative;
  border-radius:var(--r-lg);
  overflow:hidden;
  color:#fff;
  background-image:
    linear-gradient(120deg,rgba(10,12,20,.90) 0%,rgba(10,12,20,.70) 52%,rgba(10,12,20,.42) 100%),
    url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
  padding:56px 48px;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.10) 1px,transparent 1px);
  background-size:22px 22px;
  pointer-events:none;
}
.hero-grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.05fr .95fr;
  gap:48px;align-items:center;
}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  height:32px;padding:0 14px;border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.28);
  background:rgba(255,255,255,.10);
  font-size:13px;color:#D9E3E6;
  margin-bottom:20px;
}
.hero-tag i{width:6px;height:6px;border-radius:50%;background:var(--brand);display:inline-block;}
.hero h1{
  font-size:clamp(30px,4.5vw,46px);
  font-weight:800;line-height:1.2;
  margin-bottom:18px;
}
.hero h1 em{
  font-style:normal;
  background:linear-gradient(135deg,#10E0B0,#6D4BFF);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{
  font-size:16px;line-height:1.85;color:#C9D2DA;
  max-width:560px;margin-bottom:28px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:32px;}
.hero .btn-secondary{
  background:transparent;border-color:rgba(255,255,255,.4);color:#fff;
}
.hero .btn-secondary:hover{background:rgba(255,255,255,.12);color:#fff;}
.hero-badges{
  display:flex;flex-wrap:wrap;gap:12px;
}
.pill-badge{
  display:inline-flex;align-items:center;gap:8px;
  height:34px;padding:0 14px;border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.22);
  background:rgba(255,255,255,.08);
  font-size:13px;color:#E3EAEF;
}
.pill-badge b{color:var(--brand);font-variant-numeric:tabular-nums;}
.hero-figure{
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid rgba(255,255,255,.16);
  box-shadow:0 24px 60px rgba(0,0,0,.35);
  aspect-ratio:16/9;
}
.hero-figure img{width:100%;height:100%;object-fit:cover;border-radius:0;}

/* ---------- section ---------- */
.section{padding:76px 0;}
.section-tight{padding-top:24px;}
.section-dark{
  background:var(--ink);
  color:#fff;
  padding:76px 0;
}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head h2{
  font-size:clamp(24px,3vw,32px);
  font-weight:700;margin-bottom:12px;
}
.section-head p{color:var(--muted);font-size:15.5px;line-height:1.85;}
.section-dark .section-head p{color:#A9B3C0;}

/* ---------- table ---------- */
.table-wrap{
  overflow-x:auto;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
}
table.compare{
  width:100%;
  border-collapse:collapse;
  min-width:820px;
}
table.compare caption{
  text-align:left;
  font-size:14px;color:var(--weak);
  padding:18px 20px 0;
}
table.compare thead th{
  background:var(--ink);
  color:#fff;
  font-size:14px;font-weight:600;
  text-align:left;
  padding:16px 18px;
  white-space:nowrap;
  border-bottom:1px solid rgba(255,255,255,.08);
}
table.compare thead th:first-child{
  position:sticky;left:0;z-index:2;
  background:#12151F;
}
table.compare tbody td{
  padding:15px 18px;
  font-size:14.5px;
  line-height:1.7;
  color:var(--text);
  border-top:1px solid var(--line);
  vertical-align:top;
}
table.compare tbody td:first-child{
  font-weight:700;
  color:var(--text);
  white-space:nowrap;
  background:#FBFCFE;
  position:sticky;left:0;z-index:1;
}
table.compare tbody tr:hover td{background:#F1FBF8;}
table.compare tbody tr:hover td:first-child{background:#EAF8F4;}
.table-note{
  margin-top:16px;font-size:13px;color:var(--weak);
}

/* ---------- stats ---------- */
.stats-card{
  position:relative;
  border-radius:var(--r-lg);
  overflow:hidden;
  background:var(--ink);
  color:#fff;
  padding:52px 48px;
}
.stats-bgimg{
  position:absolute;inset:0;
  opacity:.14;
  pointer-events:none;
}
.stats-bgimg img{width:100%;height:100%;object-fit:cover;border-radius:0;}
.stats-inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center;
}
.stats-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:28px;
}
.stat .num{
  font-size:clamp(34px,4.2vw,50px);
  font-weight:800;line-height:1;
  font-variant-numeric:tabular-nums;
  letter-spacing:-.01em;
}
.stat .num .unit{font-size:.52em;color:var(--brand);margin-left:2px;}
.stat .lab{
  margin-top:10px;font-size:14px;color:#A9B3C0;
}
.stats-side p{color:#C9D2DA;font-size:15px;line-height:1.9;margin-bottom:18px;}
.stats-side .pill-badge{border-color:rgba(255,255,255,.22);background:rgba(255,255,255,.08);color:#E3EAEF;}

/* ---------- cards ---------- */
.dim-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
}
.dim-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:26px 24px;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.dim-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--sh-2);
  border-color:rgba(16,224,176,.55);
}
.icon-pill{
  width:44px;height:44px;border-radius:14px;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(16,224,176,.12);
  color:var(--brand-ink);
  font-size:18px;font-weight:800;
  margin-bottom:16px;
}
.dim-card h3{font-size:19px;font-weight:600;margin-bottom:10px;}
.dim-card p{font-size:14.5px;color:var(--muted);line-height:1.8;}
.dim-card .meta{
  margin-top:16px;display:flex;flex-wrap:wrap;gap:8px;
}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border-radius:var(--r-pill);
  font-size:12.5px;
  background:#F1F3F9;color:var(--muted);
}
.tag.tag-brand{background:rgba(16,224,176,.12);color:var(--brand-ink);}
.tag.tag-purple{background:rgba(109,75,255,.10);color:#5B3BE0;}
.tag.tag-cta{background:rgba(255,106,61,.12);color:#D9502A;}

/* ---------- split (image + steps) ---------- */
.split{
  display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;
}
.split-figure{
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--line);
  background:#fff;
  box-shadow:var(--sh-1);
  aspect-ratio:16/10;
}
.split-figure img{width:100%;height:100%;object-fit:cover;border-radius:0;}
.split-body h2{font-size:clamp(24px,3vw,30px);font-weight:700;margin-bottom:14px;}
.split-body > p{color:var(--muted);font-size:15.5px;margin-bottom:26px;}
.steps{display:flex;flex-direction:column;gap:18px;counter-reset:step;}
.steps li{
  position:relative;
  padding-left:52px;
  counter-increment:step;
}
.steps li::before{
  content:counter(step,decimal-leading-zero);
  position:absolute;left:0;top:0;
  width:36px;height:36px;border-radius:12px;
  background:var(--grad);color:#fff;
  font-size:13px;font-weight:800;
  display:flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;
}
.steps li b{display:block;font-size:16px;font-weight:700;margin-bottom:4px;}
.steps li span{font-size:14.5px;color:var(--muted);line-height:1.8;}

/* ---------- faq ---------- */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:900px;}
.faq-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:18px;
  position:relative;
  overflow:hidden;
  transition:border-color .25s ease,box-shadow .25s ease;
}
.faq-item:hover{border-color:rgba(16,224,176,.5);}
.faq-item.is-open{box-shadow:var(--sh-1);}
.faq-item.is-open::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:3px;background:var(--grad);
}
.faq-q{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:none;border:0;
  padding:20px 24px;
  text-align:left;
  font-size:16px;font-weight:600;color:var(--text);
}
.faq-q:focus-visible{outline:2px solid var(--brand);outline-offset:-2px;}
.faq-icon{
  flex:0 0 auto;width:22px;height:22px;position:relative;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--brand-ink);border-radius:2px;
  transition:transform .25s ease,opacity .25s ease;
}
.faq-icon::before{left:0;top:10px;width:22px;height:2px;}
.faq-icon::after{left:10px;top:0;width:2px;height:22px;}
.faq-item.is-open .faq-icon::after{transform:scaleY(0);opacity:0;}
.faq-a{padding:0 24px 22px 24px;font-size:15px;color:var(--muted);line-height:1.85;}
.faq-a[hidden]{display:none;}

/* ---------- form ---------- */
.form-panel{
  display:grid;grid-template-columns:.85fr 1.15fr;gap:0;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh-1);
}
.form-side{
  padding:44px 40px;
  background:linear-gradient(160deg,rgba(16,224,176,.10),rgba(109,75,255,.08));
  border-right:1px solid var(--line);
}
.form-side h2{font-size:clamp(22px,2.6vw,28px);font-weight:700;margin-bottom:14px;}
.form-side p{font-size:15px;color:var(--muted);line-height:1.85;margin-bottom:22px;}
.form-side ul{display:flex;flex-direction:column;gap:12px;}
.form-side li{
  position:relative;padding-left:22px;font-size:14.5px;color:var(--muted);
}
.form-side li::before{
  content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:50%;background:var(--grad);
}
.match-form{padding:44px 40px;display:flex;flex-direction:column;gap:22px;}
.field{display:flex;flex-direction:column;gap:8px;}
.field label{font-size:14px;font-weight:600;color:var(--text);}
.req{color:var(--cta);margin-left:2px;}
.field select,.field input,.field textarea{
  width:100%;
  border:1px solid var(--line);
  border-radius:var(--r-input);
  background:#FBFCFE;
  padding:13px 14px;
  font-size:15px;
  color:var(--text);
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field textarea{min-height:96px;resize:vertical;line-height:1.7;}
.field select:focus,.field input:focus,.field textarea:focus{
  outline:none;
  border-color:var(--brand);
  background:#fff;
  box-shadow:0 0 0 3px rgba(16,224,176,.16);
}
.field select:disabled,.field input:disabled{opacity:.4;cursor:not-allowed;}
.field .hint{font-size:12.5px;color:var(--weak);}
.field .err{font-size:12.5px;color:var(--cta);display:none;}
.field.has-error .err{display:block;}
.field.has-error select,.field.has-error input{border-color:var(--cta);}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.check-row{display:flex;flex-wrap:wrap;gap:10px;}
.check-pill{
  display:inline-flex;align-items:center;gap:8px;
  height:38px;padding:0 14px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:#fff;
  font-size:13.5px;color:var(--muted);cursor:pointer;
  transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.check-pill input{width:15px;height:15px;accent-color:#10E0B0;margin:0;}
.check-pill:hover{border-color:var(--brand);color:var(--text);}
.check-pill:has(input:checked){border-color:var(--brand);background:rgba(16,224,176,.10);color:var(--brand-ink);}
.form-foot{display:flex;flex-direction:column;gap:12px;}
.form-foot .btn{width:100%;}
.privacy{font-size:12.5px;color:var(--weak);line-height:1.75;}
.form-status{
  display:none;
  padding:12px 14px;border-radius:var(--r-input);
  font-size:13.5px;
  background:rgba(16,224,176,.10);
  color:var(--brand-ink);
  border:1px solid rgba(16,224,176,.35);
}
.form-status.is-visible{display:block;}

/* ---------- cta ---------- */
.cta-band{
  border-radius:var(--r-lg);
  background:var(--ink);
  color:#fff;
  padding:48px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;border-radius:50%;
  background:linear-gradient(135deg,rgba(16,224,176,.28),rgba(109,75,255,.20));
  filter:blur(50px);
}
.cta-copy{position:relative;z-index:2;max-width:620px;}
.cta-copy h2{font-size:clamp(22px,2.8vw,30px);font-weight:700;margin-bottom:10px;}
.cta-copy p{color:#B8C1CC;font-size:15px;}
.cta-actions{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:14px;}
.cta-band .btn-secondary{background:transparent;border-color:rgba(255,255,255,.4);color:#fff;}
.cta-band .btn-secondary:hover{background:rgba(255,255,255,.12);color:#fff;}

/* ---------- footer ---------- */
.site-footer{
  background:var(--ink);
  color:#C9D2DA;
  padding:72px 0 32px;
  margin-top:40px;
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;
  padding-bottom:40px;
  border-bottom:1px solid rgba(255,255,255,.10);
}
.footer-brand .fb-top{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .fb-top b{color:#fff;font-size:17px;font-weight:800;}
.footer-brand p{font-size:14px;line-height:1.85;color:#9AA5B1;max-width:340px;}
.foot-col h4{
  color:#fff;font-size:15px;font-weight:600;margin-bottom:18px;
}
.foot-col-title{display:none;}
.foot-col-list{display:flex;flex-direction:column;gap:12px;}
.foot-col-list li{font-size:14px;color:#9AA5B1;line-height:1.7;}
.foot-col-list a{color:#9AA5B1;}
.foot-col-list a:hover{color:var(--brand);}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  padding-top:24px;
  font-size:13px;color:#7C8794;
}
.footer-bottom a{color:#9AA5B1;}
.footer-bottom a:hover{color:var(--brand);}

/* ---------- responsive ---------- */
@media (max-width:1180px){
  .nav-chips{gap:6px;}
  .chip{padding:0 13px;font-size:13.5px;}
  .dim-grid{grid-template-columns:repeat(2,1fr);}
}

@media (max-width:1023px){
  .nav-chips{display:none;}
  .hamburger{display:flex;}
  .header-inner{gap:16px;}
  .logo{margin-right:auto;}
  .hero{padding:44px 32px;}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .stats-inner{grid-template-columns:1fr;gap:32px;}
  .split{grid-template-columns:1fr;gap:32px;}
  .form-panel{grid-template-columns:1fr;}
  .form-side{border-right:0;border-bottom:1px solid var(--line);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}

@media (max-width:820px){
  .container{padding:0 20px;}
  .section{padding:56px 0;}
  .section-dark{padding:56px 0;}
  .hero{border-radius:20px;padding:36px 22px;}
  .hero-actions .btn{width:100%;}
  .stats-card{padding:34px 22px;border-radius:20px;}
  .stats-grid{grid-template-columns:1fr 1fr;gap:22px;}
  .dim-grid{grid-template-columns:1fr;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px 22px;}
  .cta-actions .btn{width:100%;}
  .match-form{padding:32px 22px;}
  .form-side{padding:32px 22px;}
  .field-row{grid-template-columns:1fr;}
  .site-footer{padding:56px 0 24px;}
  .footer-grid{grid-template-columns:1fr;gap:0;padding-bottom:16px;}
  .foot-col{border-bottom:1px solid rgba(255,255,255,.10);}
  .foot-col:last-child{border-bottom:0;}
  .foot-col h4{display:none;}
  .foot-col-title{
    display:flex;width:100%;align-items:center;justify-content:space-between;
    background:none;border:0;padding:16px 0;
    color:#fff;font-size:15px;font-weight:600;text-align:left;
  }
  .foot-col-title i{font-style:normal;color:var(--brand);font-size:18px;transition:transform .2s ease;}
  .foot-col.is-open .foot-col-title i{transform:rotate(45deg);}
  .foot-col-list{display:none;padding:0 0 18px;}
  .foot-col.is-open .foot-col-list{display:flex;}
  .footer-brand{padding-bottom:20px;border-bottom:1px solid rgba(255,255,255,.10);}
}

@media (max-width:767px){
  .table-wrap{background:transparent;border:0;box-shadow:none;overflow:visible;}
  table.compare{min-width:0;width:100%;}
  table.compare caption{padding:0 0 14px;}
  table.compare thead{display:none;}
  table.compare tbody tr{
    display:block;
    background:#fff;
    border:1px solid var(--line);
    border-radius:18px;
    padding:16px 18px;
    margin-bottom:16px;
    box-shadow:var(--sh-1);
  }
  table.compare tbody tr:hover td{background:transparent;}
  table.compare tbody tr:hover td:first-child{background:transparent;}
  table.compare tbody td{
    display:flex;justify-content:space-between;gap:14px;
    border:0;padding:7px 0;
    font-size:14px;
    background:transparent !important;
    position:static !important;
  }
  table.compare tbody td::before{
    content:attr(data-label);
    flex:0 0 42%;
    color:var(--weak);
    font-size:13px;
    line-height:1.7;
  }
  table.compare tbody td:first-child{
    display:block;
    font-size:16px;
    font-weight:800;
    padding:0 0 12px;
    margin-bottom:8px;
    border-bottom:1px solid var(--line);
    white-space:normal;
  }
  table.compare tbody td:first-child::before{content:none;display:none;}
}

@media (max-width:520px){
  .hero h1{font-size:28px;}
  .hero-sub{font-size:15px;}
  .pill-badge{font-size:12px;height:32px;}
  .faq-q{padding:18px 18px;font-size:15px;}
  .faq-a{padding:0 18px 18px 18px;}
  .stats-grid{grid-template-columns:1fr;}
  .hero-figure{aspect-ratio:16/10;}
}