*{box-sizing:border-box}
html{scroll-behavior:smooth}
:root{
  --bg:#f7f1e8;
  --bg-2:#fffaf3;
  --panel:#fff;
  --line:#e8dccd;
  --line-2:#f1e6d7;
  --text:#1d2330;
  --muted:#6f7682;
  --accent:#f1d5b5;
  --accent-2:#fbeada;
  --dark:#1d2330;
  --shadow:0 24px 70px rgba(35,40,54,.08);
  --radius:30px;
}
body{
  margin:0;
  font-family:Inter,"PingFang SC","Microsoft YaHei",Arial,sans-serif;
  color:var(--text);
  background:
    radial-gradient(circle at top left, rgba(255,255,255,.7), transparent 26%),
    linear-gradient(180deg,var(--bg) 0%, #fcf7f0 100%);
  line-height:1.75;
}
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;
  background:rgba(247,241,232,.88);
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(232,220,205,.7);
}
.nav-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:46px;height:46px;border-radius:16px;background:#1d2330;color:#fff;
  display:grid;place-items:center;font-weight:900;box-shadow:0 12px 30px rgba(29,35,48,.18)
}
.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:#434b58}
.main-nav a:hover{color:var(--dark)}

.nav-actions{display:flex;align-items:center;gap:12px}
.menu-toggle{display:none;border:0;background:transparent;padding:0;flex-direction:column;gap:5px;cursor:pointer}
.menu-toggle span{display:block;width:24px;height:2px;background:#1d2330;border-radius:3px}

.btn{
  border:1px solid transparent;
  border-radius:999px;
  padding:12px 20px;
  display:inline-flex;align-items:center;justify-content:center;
  cursor:pointer;transition:.25s ease;font-weight:700;
}
.btn:hover{transform:translateY(-1px)}
.btn-dark{background:#1d2330;color:#fff;box-shadow:0 12px 28px rgba(29,35,48,.16)}
.btn-soft{background:var(--accent);color:#1d2330}
.btn-line{background:rgba(255,255,255,.7);border-color:var(--line);color:var(--dark)}

.eyebrow{
  display:inline-block;
  font-size:12px;font-weight:800;letter-spacing:.18em;text-transform:uppercase;color:#9b7450
}

.hero{padding:68px 0 44px}
.hero-grid{display:grid;grid-template-columns:1fr 1.02fr;gap:30px;align-items:center}
.hero-copy h1,.section-title h2,.feature-copy h2,.compare-side h2,.download-copy h2,.faq-side h2,.support-copy h2,.entry-copy h1,.entry-card h2{
  margin:14px 0 12px;font-size:clamp(34px,5vw,72px);line-height:.96;letter-spacing:-.05em
}
.hero-lead,.feature-copy p,.compare-side p,.download-copy p,.support-copy p,.insight-card p,.product-info p,.faq-list p,.entry-copy p,.entry-card p{
  margin:0;color:var(--muted);font-size:15px
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:28px 0 24px}
.hero-meta{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.hero-meta div{
  background:rgba(255,255,255,.74);border:1px solid var(--line);
  border-radius:22px;padding:16px;box-shadow:var(--shadow)
}
.hero-meta strong{display:block;font-size:15px;margin-bottom:6px}
.hero-meta span{color:var(--muted);font-size:13px}
.hero-visual{position:relative;min-height:620px}
.hero-image-card{
  height:100%;overflow:hidden;border-radius:36px;background:#fff;
  border:1px solid var(--line);box-shadow:var(--shadow)
}
.hero-image-card img{width:100%;height:100%;object-fit:cover}
.hero-floating{
  position:absolute;background:rgba(255,255,255,.9);border:1px solid var(--line);
  border-radius:24px;padding:18px 20px;box-shadow:var(--shadow)
}
.hero-floating span{display:block;color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.12em;margin-bottom:6px}
.hero-floating strong{font-size:18px}
.hero-floating-a{left:-8px;bottom:28px}
.hero-floating-b{right:-8px;top:24px}

.quick-portal,.feature-intro,.series-section,.compare-section,.download-section,.setup-section,.security-section,.insight-section,.support-section,.faq-section,.entry-hero,.entry-card-section{padding:72px 0}
.section-title{margin-bottom:24px}
.section-title.split{display:flex;align-items:end;justify-content:space-between;gap:24px}
.section-title.split p{max-width:500px;color:var(--muted);margin:0}
.portal-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.portal-card{
  appearance:none;text-align:left;border:1px solid var(--line);background:#fff;color:inherit;
  border-radius:28px;padding:28px;box-shadow:var(--shadow);cursor:pointer
}
.portal-card h3{margin:16px 0 10px;font-size:24px;line-height:1.05;letter-spacing:-.04em}
.portal-card p{margin:0 0 16px;color:var(--muted)}
.portal-num{
  width:42px;height:42px;border-radius:14px;background:var(--accent-2);
  display:grid;place-items:center;font-weight:900
}
.portal-accent{background:linear-gradient(180deg,#fff7ee 0%,#fff 100%)}

.feature-grid{
  display:grid;grid-template-columns:.94fr 1.06fr;gap:24px;align-items:center
}
.feature-media{
  border-radius:34px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);background:#fff
}
.feature-media img{width:100%;height:100%;object-fit:cover}
.bullet-list{margin:20px 0 0;padding-left:18px}
.bullet-list li{margin-bottom:10px}

.product-grid{
  display:grid;grid-template-columns:repeat(2,1fr);gap:20px
}
.product-card{
  display:grid;grid-template-columns:220px 1fr;gap:20px;
  background:#fff;border:1px solid var(--line);border-radius:30px;padding:20px;box-shadow:var(--shadow)
}
.product-image{
  border-radius:24px;background:#fbf8f4;border:1px solid var(--line-2);padding:14px
}
.product-image img{width:100%;aspect-ratio:1/1;object-fit:contain}
.product-info h3{margin:0 0 10px;font-size:28px;letter-spacing:-.04em}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
.chip-row span,.tag-list span{
  padding:8px 12px;border-radius:999px;background:#fbf6ef;border:1px solid var(--line);font-size:13px
}

.compare-grid{display:grid;grid-template-columns:.84fr 1.16fr;gap:24px;align-items:start}
.compare-table{
  background:#fff;border:1px solid var(--line);border-radius:28px;overflow:hidden;box-shadow:var(--shadow)
}
.compare-row{
  display:grid;grid-template-columns:1fr 1.6fr 1.1fr 1fr 1.3fr .7fr;
  gap:16px;align-items:center;padding:18px 22px;border-bottom:1px solid var(--line)
}
.compare-row:last-child{border-bottom:0}
.compare-head{background:#faf5ef;font-weight:800}
.mini-btn{
  border:1px solid var(--line);background:#fff;border-radius:999px;padding:10px 14px;cursor:pointer
}

.download-grid,.security-grid,.support-grid,.entry-hero-grid{
  display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:center
}
.download-copy,.security-copy,.support-copy,.entry-copy,.entry-card{
  background:rgba(255,255,255,.76);border:1px solid var(--line);border-radius:32px;padding:30px;box-shadow:var(--shadow)
}
.info-boxes{display:grid;gap:12px;margin:22px 0 24px}
.info-boxes div{
  background:#fff;border:1px solid var(--line);border-radius:20px;padding:16px
}
.info-boxes strong{display:block;font-size:15px;margin-bottom:4px}
.info-boxes span{color:var(--muted);font-size:14px}
.download-media,.support-media,.security-media,.entry-hero-media{
  background:#fff;border:1px solid var(--line);border-radius:34px;overflow:hidden;box-shadow:var(--shadow)
}
.download-media img,.support-media img,.security-media img,.entry-hero-media img{width:100%;height:100%;object-fit:cover}

.timeline-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:18px
}
.timeline-card{
  background:#fff;border:1px solid var(--line);border-radius:26px;padding:22px;box-shadow:var(--shadow)
}
.timeline-card span{
  width:46px;height:46px;border-radius:14px;background:#1d2330;color:#fff;display:grid;place-items:center;font-weight:900
}
.timeline-card h3{margin:16px 0 8px;font-size:24px;letter-spacing:-.04em}
.timeline-card p{margin:0;color:var(--muted)}

.safety-list{margin:20px 0 0;padding-left:18px}
.safety-list li{margin-bottom:12px}

.insight-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:18px
}
.insight-card{
  background:#fff;border:1px solid var(--line);border-radius:28px;padding:26px;box-shadow:var(--shadow)
}
.insight-card h3{margin:0 0 12px;font-size:26px;line-height:1.08;letter-spacing:-.04em}

.tag-list{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0}
.support-actions{display:flex;flex-wrap:wrap;gap:12px}

.faq-grid{display:grid;grid-template-columns:.76fr 1.24fr;gap:24px;align-items:start}
.faq-list{display:grid;gap:12px}
.faq-list details{
  background:#fff;border:1px solid var(--line);border-radius:24px;padding:18px 20px;box-shadow:var(--shadow)
}
.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}

.site-footer{
  padding:28px 0 52px;border-top:1px solid var(--line);background:rgba(255,255,255,.45)
}
.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-contact{
  border:1px solid var(--line);background:#fff;border-radius:999px;padding:12px 18px;cursor:pointer
}

.modal{
  position:fixed;inset:0;display:none;align-items:center;justify-content:center;z-index:100
}
.modal.open{display:flex}
.modal-mask{position:absolute;inset:0;background:rgba(20,24,34,.48);backdrop-filter:blur(8px)}
.modal-panel{
  position:relative;z-index:2;width:min(420px, calc(100% - 28px));
  background:#fff;border:1px solid var(--line);border-radius:30px;padding:28px;text-align:center;box-shadow:0 40px 90px rgba(20,24,34,.18)
}
.modal-close{
  position:absolute;right:16px;top:12px;border:0;background:transparent;font-size:30px;cursor:pointer;color:#1d2330
}
.modal-panel h2{margin:0 0 18px;font-size:30px;letter-spacing:-.04em}
.qr-frame{
  background:#fff;border:1px solid var(--line);border-radius:22px;padding:10px;overflow:hidden
}
.qr-frame img{width:100%}
.modal-links{display:flex;justify-content:center;gap:12px;flex-wrap:wrap;margin-top:18px}
.modal-links a{
  padding:10px 14px;border-radius:999px;background:#fbf6ef;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:#1d2330;color:#fff;cursor:pointer;box-shadow:0 18px 34px rgba(29,35,48,.18)
}

.crumbs{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:13px;margin-bottom:18px}
.entry-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.entry-card strong{display:block;margin:18px 0;word-break:break-all}

.lock{overflow:hidden}

@media (max-width:1180px){
  .main-nav{display:none}
  .nav-actions{display:none}
  .menu-toggle{display:flex}
  .hero-grid,.feature-grid,.compare-grid,.download-grid,.security-grid,.support-grid,.faq-grid,.entry-hero-grid,.entry-grid,.insight-grid,.product-grid{
    grid-template-columns:1fr
  }
  .portal-grid{grid-template-columns:repeat(2,1fr)}
  .timeline-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}
  .hero-floating{position:static;margin-top:14px}
}
@media (max-width:760px){
  .container{width:min(100%, calc(100% - 24px))}
  .hero-copy h1,.section-title h2,.feature-copy h2,.compare-side h2,.download-copy h2,.faq-side h2,.support-copy h2,.entry-copy h1,.entry-card h2{
    font-size:40px
  }
  .hero-meta,.portal-grid,.timeline-grid{grid-template-columns:1fr}
  .compare-row{grid-template-columns:1fr}
  .download-copy,.security-copy,.support-copy,.entry-copy,.entry-card,.modal-panel{padding:22px}
  .float-contact{right:14px;bottom:14px}
}