*{box-sizing:border-box}
html{scroll-behavior:smooth}
:root{
  --bg:#0f1116;
  --bg-2:#151821;
  --panel:rgba(255,255,255,.07);
  --panel-2:#171a22;
  --line:rgba(255,255,255,.12);
  --line-strong:rgba(255,255,255,.22);
  --text:#f4f7f1;
  --muted:#a6adbb;
  --accent:#c3ff58;
  --accent-2:#d9ff91;
  --dark:#0b0d10;
  --shadow:0 26px 80px rgba(0,0,0,.34);
  --radius:28px;
  --clip:polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 0 100%);
}
body{
  margin:0;
  background:
    radial-gradient(circle at top left, rgba(195,255,88,.09), transparent 28%),
    radial-gradient(circle at top right, rgba(116,157,255,.12), transparent 24%),
    linear-gradient(180deg, #101218 0%, #0f1116 100%);
  color:var(--text);
  font-family:Inter,"PingFang SC","Microsoft YaHei",Arial,sans-serif;
  line-height:1.7;
}
a{text-decoration:none;color:inherit}
img{display:block;max-width:100%;height:auto}
button{font:inherit}
.container{width:min(1220px, calc(100% - 40px));margin:0 auto}

.site-header{
  position:sticky;top:0;z-index:50;
  backdrop-filter:blur(18px);
  background:rgba(15,17,22,.75);
  border-bottom:1px solid var(--line);
}
.header-wrap{
  min-height:84px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.brand{display:flex;align-items:center;gap:14px;min-width:0}
.brand-mark{
  width:44px;height:44px;border-radius:16px;
  background:linear-gradient(135deg,var(--accent),#f7ffdc);
  color:#111319;font-weight:900;display:grid;place-items:center;
  box-shadow:0 12px 32px rgba(195,255,88,.26);
}
.brand-text{display:flex;flex-direction:column;line-height:1.1}
.brand-text strong{font-size:15px;font-weight:800}
.brand-text em{font-style:normal;color:var(--muted);font-size:11px;letter-spacing:.16em;text-transform:uppercase}

.main-nav{display:flex;align-items:center;gap:22px;flex:1;justify-content:center}
.main-nav a{font-size:14px;color:#d8dde8}
.main-nav a:hover{color:#fff}

.header-actions{display:flex;align-items:center;gap:12px}
.menu-toggle{
  display:none;border:0;background:transparent;padding:0;cursor:pointer;flex-direction:column;gap:5px
}
.menu-toggle span{
  display:block;width:24px;height:2px;background:#fff;border-radius:2px
}

.btn{
  appearance:none;border:1px solid var(--line);cursor:pointer;
  border-radius:999px;padding:12px 20px;display:inline-flex;align-items:center;justify-content:center;
  transition:.25s ease; font-weight:700;
}
.btn:hover{transform:translateY(-1px)}
.btn-primary{
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  color:#111319;border-color:transparent;
  box-shadow:0 12px 32px rgba(195,255,88,.28);
}
.btn-secondary{
  background:#ffffff;color:#12141a;border-color:#ffffff;
}
.btn-ghost{
  background:rgba(255,255,255,.04);color:#fff
}

.glass-card{
  background:linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.05));
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  backdrop-filter:blur(16px);
  border-radius:var(--radius);
}
.cut-card{
  clip-path:var(--clip);
  background:#151922;
  border:1px solid var(--line);
  box-shadow:var(--shadow);
}

.hero{padding:64px 0 36px}
.hero-grid{
  display:grid;
  grid-template-columns:1.02fr .98fr;
  gap:28px;
  align-items:center;
}
.hero-copy{
  padding:38px;
}
.hero-badge,.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  color:var(--accent);font-size:12px;font-weight:800;letter-spacing:.18em;text-transform:uppercase
}
.hero-copy h1{
  margin:16px 0 12px;
  font-size:clamp(42px,6vw,76px);
  line-height:.96;
  letter-spacing:-.06em;
}
.hero-copy p{
  margin:0;
  color:#cdd3de;
  font-size:16px;
}
.hero-actions{
  display:flex;flex-wrap:wrap;gap:12px;
  margin:28px 0 22px;
}
.hero-points{
  display:flex;flex-wrap:wrap;gap:10px
}
.hero-points span{
  padding:9px 14px;border-radius:999px;background:rgba(255,255,255,.06);
  border:1px solid var(--line);font-size:13px;color:#e7edf7
}
.hero-visual{position:relative;min-height:620px}
.hero-main-image{
  height:100%;border-radius:34px;overflow:hidden;
  box-shadow:var(--shadow);border:1px solid var(--line);
}
.hero-main-image img{width:100%;height:100%;object-fit:cover}
.floating-card{
  position:absolute;padding:18px 20px;min-width:220px
}
.floating-card small{
  display:block;color:var(--muted);margin-bottom:6px;font-size:12px;letter-spacing:.12em;text-transform:uppercase
}
.floating-card strong{font-size:18px}
.card-left{left:-12px;bottom:34px}
.card-right{right:-10px;top:30px}

.ticker{
  overflow:hidden;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  background:rgba(255,255,255,.03)
}
.ticker-track{
  display:flex;gap:32px;white-space:nowrap;padding:16px 0;
  animation:ticker 32s linear infinite;
}
.ticker-track span{
  color:#d7dde7;font-weight:700;position:relative;padding-left:24px
}
.ticker-track span::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:10px;height:10px;border-radius:50%;background:var(--accent)
}
@keyframes ticker{from{transform:translateX(0)}to{transform:translateX(-50%)}}

.portal-section,.section{padding:72px 0}
.portal-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:18px;
}
.portal-card{
  text-align:left;border:0;padding:28px;cursor:pointer;color:inherit
}
.portal-card.highlight{
  background:linear-gradient(135deg, rgba(195,255,88,.18), rgba(195,255,88,.07));
}
.portal-no{
  display:inline-flex;width:44px;height:44px;border-radius:14px;
  align-items:center;justify-content:center;font-weight:900;
  background:rgba(255,255,255,.08);margin-bottom:18px
}
.portal-card h2{margin:0 0 10px;font-size:24px;line-height:1.06;letter-spacing:-.04em}
.portal-card p{margin:0 0 16px;color:var(--muted);font-size:15px}
.portal-card b{font-size:15px}

.feature-band{padding-top:22px}
.feature-band-grid{
  display:grid;grid-template-columns:1.1fr .9fr;gap:24px;align-items:center
}
.feature-copy h2,.section-head h2,.compare-layout h2,.download-copy h2,.guide-copy h2,.security-copy h2,.support-copy h2,.seo-card h2,.faq-wrap h2,.entry-copy h1,.entry-card h2{
  margin:12px 0;font-size:clamp(30px,4vw,54px);line-height:1.02;letter-spacing:-.05em
}
.feature-copy p,.section-head p,.download-copy p,.support-copy p,.seo-card p,.entry-copy p,.entry-card p,.guide-copy p{
  margin:0;color:var(--muted)
}
.icon-list{list-style:none;padding:0;margin:22px 0 0;display:grid;gap:12px}
.icon-list li{
  padding:14px 16px;border-radius:18px;background:rgba(255,255,255,.05);border:1px solid var(--line)
}
.feature-image{padding:18px}
.feature-image img{border-radius:20px;width:100%;height:100%;object-fit:cover}

.section-head{
  display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:24px
}
.section-head.vertical{display:block;margin-bottom:18px}
.section-head > div{max-width:540px}
.section-head p{max-width:520px}

.products-grid{
  display:grid;grid-template-columns:repeat(2,1fr);gap:20px
}
.product-card{
  padding:20px;display:grid;grid-template-columns:240px 1fr;gap:20px;align-items:center
}
.product-image{
  border-radius:22px;background:rgba(255,255,255,.04);
  border:1px solid var(--line);padding:16px
}
.product-image img{width:100%;aspect-ratio:1/1;object-fit:contain}
.product-info h3{margin:0 0 8px;font-size:28px;letter-spacing:-.04em}
.product-info p{margin:0;color:var(--muted)}
.product-info ul{display:flex;flex-wrap:wrap;gap:10px;list-style:none;padding:0;margin:16px 0 0}
.product-info li{
  padding:8px 12px;border-radius:999px;background:rgba(255,255,255,.06);
  border:1px solid var(--line);font-size:13px
}

.compare-layout{display:grid;grid-template-columns:.82fr 1.18fr;gap:22px;align-items:start}
.compare-table{overflow:hidden}
.compare-row{
  display:grid;grid-template-columns:1.05fr 1.55fr 1.2fr 1fr 1.3fr .7fr;gap:16px;
  align-items:center;padding:16px 22px;border-bottom:1px solid var(--line)
}
.compare-row:last-child{border-bottom:0}
.compare-head{background:rgba(255,255,255,.05);font-weight:800;color:#eef4ff}
.compare-row span,.compare-row strong{font-size:14px}
.compare-row button{justify-self:start}
.mini{
  border-radius:999px;padding:9px 14px;border:1px solid var(--line);background:rgba(255,255,255,.06);color:#fff;cursor:pointer
}

.split-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:center}
.download-copy{padding:32px}
.stat-list{display:grid;gap:12px;margin:22px 0 24px}
.stat-list div{
  padding:16px 18px;border:1px solid var(--line);border-radius:18px;background:rgba(255,255,255,.05)
}
.stat-list b{display:block;font-size:16px;margin-bottom:4px}
.stat-list span{color:var(--muted);font-size:14px}
.download-visual{overflow:hidden}
.download-visual img{width:100%;height:100%;object-fit:cover;border-radius:0}

.guide-grid{display:grid;grid-template-columns:.92fr 1.08fr;gap:24px;align-items:center}
.guide-media{
  overflow:hidden;border-radius:32px;border:1px solid var(--line);box-shadow:var(--shadow)
}
.guide-media img{width:100%;height:100%;object-fit:cover}
.guide-steps{display:grid;gap:14px}
.step-item{
  display:grid;grid-template-columns:76px 1fr;gap:16px;align-items:start;
  padding:18px;border-radius:24px;background:rgba(255,255,255,.05);border:1px solid var(--line)
}
.step-item b{
  width:58px;height:58px;border-radius:18px;background:rgba(195,255,88,.16);
  display:grid;place-items:center;color:var(--accent);font-size:22px
}
.step-item h3{margin:0 0 6px;font-size:22px}
.step-item p{margin:0;color:var(--muted)}

.security-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:stretch}
.security-image{overflow:hidden}
.security-image img{width:100%;height:100%;object-fit:cover}
.security-copy{padding:32px}
.security-list{margin:20px 0 0;padding-left:20px}
.security-list li{margin-bottom:14px;color:#d6dde8}

.support-grid{display:grid;grid-template-columns:1fr .9fr;gap:24px;align-items:center}
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0}
.tag-cloud span{
  padding:10px 14px;border-radius:999px;background:rgba(255,255,255,.05);border:1px solid var(--line);font-size:13px
}
.support-actions{display:flex;gap:12px;flex-wrap:wrap}
.support-card{padding:18px}
.support-card img{border-radius:22px;width:100%;height:100%;object-fit:cover}

.seo-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:18px
}
.seo-card{padding:28px}
.seo-card p{font-size:15px}

.faq-wrap{
  display:grid;grid-template-columns:.78fr 1.22fr;gap:22px;align-items:start
}
.faq-list{display:grid;gap:12px}
.faq-list details{
  padding:18px 20px;border-radius:24px;background:rgba(255,255,255,.05);border:1px solid var(--line)
}
.faq-list summary{cursor:pointer;font-weight:800;list-style:none}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list p{margin:12px 0 0;color:var(--muted)}

.site-footer{
  padding:26px 0 52px;border-top:1px solid var(--line);background:rgba(0,0,0,.18)
}
.footer-grid{
  display:flex;align-items:center;justify-content:space-between;gap:24px
}
.footer-brand strong{display:block;font-size:20px;margin-bottom:10px}
.footer-brand p{margin:0;color:var(--muted);max-width:620px}
.footer-links{display:flex;flex-direction:column;align-items:flex-end;gap:10px}
.footer-links a{color:#f0f5ff}
.footer-contact{
  border-radius:999px;padding:12px 18px;border:1px solid var(--line);background:rgba(255,255,255,.06);color:#fff;cursor:pointer
}

.contact-modal{
  position:fixed;inset:0;display:none;align-items:center;justify-content:center;z-index:100
}
.contact-modal.open{display:flex}
.modal-mask{position:absolute;inset:0;background:rgba(0,0,0,.58);backdrop-filter:blur(8px)}
.modal-panel{
  position:relative;z-index:2;width:min(420px, calc(100% - 28px));
  background:#141821;border:1px solid var(--line);border-radius:28px;box-shadow:var(--shadow);
  padding:28px;text-align:center
}
.modal-close{
  position:absolute;right:16px;top:14px;border:0;background:transparent;color:#fff;font-size:30px;cursor:pointer
}
.modal-panel h2{margin:0 0 18px;font-size:32px;letter-spacing:-.04em}
.qr-box{
  border-radius:22px;overflow:hidden;border:1px solid var(--line);background:#fff;padding:10px
}
.qr-box img{width:100%}
.modal-links{display:flex;justify-content:center;gap:12px;margin-top:18px;flex-wrap:wrap}
.modal-links a{
  padding:10px 14px;border-radius:999px;background:rgba(255,255,255,.06);border:1px solid var(--line)
}

.float-contact{
  position:fixed;right:18px;bottom:18px;z-index:48;
  border:0;border-radius:999px;padding:14px 20px;background:linear-gradient(135deg,var(--accent),var(--accent-2));
  color:#101318;font-weight:800;cursor:pointer;box-shadow:0 18px 40px rgba(195,255,88,.28)
}

.entry-hero{padding:58px 0 24px}
.entry-hero-grid{display:grid;grid-template-columns:.96fr 1.04fr;gap:24px;align-items:center}
.entry-copy{padding:34px}
.entry-visual{overflow:hidden}
.entry-visual img{width:100%;height:100%;object-fit:cover}
.entry-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.entry-card{padding:24px;display:flex;flex-direction:column;justify-content:space-between;min-height:340px}
.entry-card-top strong{display:block;margin-top:14px;word-break:break-all}
.entry-actions-inline{margin-top:20px}

.lock{overflow:hidden}

@media (max-width:1180px){
  .main-nav{display:none}
  .menu-toggle{display:flex}
  .header-actions{display:none}
  .hero-grid,.feature-band-grid,.products-grid,.compare-layout,.split-grid,.guide-grid,.security-grid,.support-grid,.faq-wrap,.entry-hero-grid,.entry-cards,.seo-grid{
    grid-template-columns:1fr
  }
  .portal-grid{grid-template-columns:repeat(2,1fr)}
  .product-card{grid-template-columns:1fr}
  .compare-row{grid-template-columns:1fr 1fr}
  .compare-head{display:none}
  .footer-grid{flex-direction:column;align-items:flex-start}
  .footer-links{align-items:flex-start}
  .hero-visual{min-height:auto}
  .card-left,.card-right{position:static;margin-top:14px}
}
@media (max-width:760px){
  .container{width:min(100%, calc(100% - 24px))}
  .hero-copy,.download-copy,.security-copy,.entry-copy,.portal-card,.seo-card,.modal-panel{padding:22px}
  .portal-grid{grid-template-columns:1fr}
  .hero-copy h1{font-size:44px}
  .feature-copy h2,.section-head h2,.compare-layout h2,.download-copy h2,.guide-copy h2,.security-copy h2,.support-copy h2,.seo-card h2,.faq-wrap h2,.entry-copy h1,.entry-card h2{
    font-size:34px
  }
  .step-item{grid-template-columns:1fr}
  .compare-row{grid-template-columns:1fr}
  .float-contact{right:14px;bottom:14px}
}