*{box-sizing:border-box}
html{scroll-behavior:smooth}
:root{--bg:#f5f5f3;--card:#fff;--text:#111;--muted:#666b73;--line:#e2e3e6;--soft:#f0f1f4;--dark:#050505;--accent:#1c76ff;--accent2:#00b3ff;--shadow:0 24px 70px rgba(9,12,20,.08);--radius:28px}
body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,"PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.72}
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:60;background:rgba(245,245,243,.92);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}
.nav{min-height:84px;display:flex;align-items:center;gap:24px}.brand{display:flex;align-items:center;gap:12px}.brand-logo{width:44px;height:44px;border-radius:14px;background:var(--dark);color:#fff;display:grid;place-items:center;font-weight:900}.brand strong{display:block;font-size:16px}.brand em{display:block;font-size:11px;color:var(--muted);font-style:normal;letter-spacing:.14em;text-transform:uppercase}
.nav-links{display:flex;gap:18px;margin-left:auto}.nav-links a{font-size:14px;font-weight:800;color:#30343b}.nav-links a.active,.nav-links a:hover{color:var(--accent)}.nav-actions{display:flex;gap:10px}.menu-toggle{display:none;background:transparent;border:0;flex-direction:column;gap:5px}.menu-toggle span{width:24px;height:2px;background:var(--dark)}
.btn{border:1px solid transparent;border-radius:999px;padding:12px 18px;font-weight:900;display:inline-flex;align-items:center;justify-content:center;cursor:pointer}.btn-primary{background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff}.btn-dark{background:var(--dark);color:#fff}.btn-line{background:#fff;border-color:var(--line);color:var(--dark)}
.hero,.section,.subhero{padding:76px 0}.hero-grid,.editorial-grid,.black-grid,.subhero-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:center}
.hero-copy,.portal-grid a,.portal-grid button,.editorial-list a,.editorial-list article,.product-card,.faq-list details,.compare-table{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.hero-copy{padding:38px}.eyebrow{display:inline-flex;font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--accent);font-weight:900}.hero h1,.section-head h2,.editorial h2,.black-section h2,.subhero h1{font-size:clamp(38px,5.2vw,72px);line-height:.98;letter-spacing:-.06em;margin:14px 0 12px}.hero p,.section-head p,.editorial p,.black-section p,.faq-list p,.product-card p,.subhero p{margin:0;color:var(--muted)}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}.hero-image img,.subhero img{width:100%;height:620px;object-fit:cover;border-radius:var(--radius);border:1px solid var(--line);box-shadow:var(--shadow)}
.portal{padding:0 0 60px}.portal-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.portal-grid a,.portal-grid button{padding:22px;text-align:left;cursor:pointer}.portal-grid span{display:block;color:var(--accent);font-weight:900}.portal-grid b{display:block;margin:8px 0;font-size:22px}.portal-grid p{margin:0;color:var(--muted)}
.editorial-list{display:grid;grid-template-columns:1fr 1fr;gap:14px}.editorial-list.four{grid-template-columns:repeat(4,1fr)}.editorial-list.three{grid-template-columns:repeat(3,1fr)}.editorial-list a,.editorial-list article{padding:22px}.editorial-list b{display:block;font-size:22px}.editorial-list span{display:block;color:var(--muted);margin-top:8px;word-break:break-all}
.section-head{max-width:860px;margin-bottom:24px}.product-showcase{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.product-card{display:grid;grid-template-columns:210px 1fr;gap:18px;padding:18px}.product-img{background:var(--soft);border-radius:22px;border:1px solid var(--line);padding:14px}.product-img img{width:100%;aspect-ratio:1/1;object-fit:contain}.product-card span{font-size:12px;font-weight:900;color:var(--accent)}.product-card h3{font-size:30px;margin:8px 0;letter-spacing:-.04em}.product-card ul{display:flex;gap:8px;flex-wrap:wrap;list-style:none;padding:0;margin:14px 0 0}.product-card li{padding:7px 10px;border-radius:999px;border:1px solid var(--line);background:var(--soft);font-size:13px}
.black-section{background:#050505;color:#fff}.black-section p,.black-section .eyebrow{color:#fff}.step-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.step-grid.light{grid-template-columns:repeat(4,1fr)}.step-grid article{background:#111;border:1px solid #252525;border-radius:24px;padding:22px}.step-grid.light article{background:#fff;border-color:var(--line);box-shadow:var(--shadow)}.step-grid b{width:44px;height:44px;border-radius:14px;background:#fff;color:#000;display:grid;place-items:center}.step-grid.light b{background:#000;color:#fff}.step-grid h3{font-size:24px;margin:16px 0 8px}.step-grid p{color:#b8bcc5}.step-grid.light p{color:var(--muted)}
.faq-list{display:grid;gap:12px}.faq-list details{padding:18px 20px}.faq-list summary{font-size:22px;font-weight:900;cursor:pointer;list-style:none}.faq-list summary::-webkit-details-marker{display:none}.faq-list p{margin-top:12px}.compare-table{overflow:hidden}.compare-row{display:grid;grid-template-columns:1fr 1.4fr 1.1fr 1fr 1.1fr .6fr;gap:14px;align-items:center;padding:16px 20px;border-bottom:1px solid var(--line)}.compare-row:last-child{border-bottom:0}.compare-row.head{background:#050505;color:#fff;font-weight:900}.mini{border:1px solid var(--line);background:#fff;color:var(--accent);border-radius:999px;padding:9px 12px;font-weight:900;cursor:pointer}
.footer{background:#fff;border-top:1px solid var(--line);padding:30px 0 56px}.footer-grid{display:flex;justify-content:space-between;gap:24px}.footer strong{font-size:22px}.footer p{max-width:620px;color:var(--muted);margin:8px 0 0}.footer-links{display:flex;flex-direction:column;align-items:flex-end;gap:8px}.footer-btn{border:1px solid var(--line);background:#fff;border-radius:999px;padding:10px 14px;font-weight:900;cursor:pointer;color:var(--accent)}
.contact-modal{display:none;position:fixed;inset:0;z-index:100;align-items:center;justify-content:center}.contact-modal.open{display:flex}.modal-bg{position:absolute;inset:0;background:rgba(0,0,0,.55);backdrop-filter:blur(8px)}.modal-card{position:relative;z-index:2;background:#fff;border-radius:30px;padding:28px;width:min(430px,calc(100% - 28px));text-align:center}.modal-close{position:absolute;right:16px;top:10px;border:0;background:transparent;font-size:30px;cursor:pointer}.qr-wrap{border:1px solid var(--line);border-radius:22px;padding:10px}.qr-wrap img{width:100%;border-radius:14px}.modal-links{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-top:16px}.modal-links a{padding:10px 14px;border-radius:999px;background:var(--soft)}.float-contact{position:fixed;right:18px;bottom:18px;border:0;background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;border-radius:999px;padding:14px 18px;font-weight:900;cursor:pointer;z-index:40}.lock{overflow:hidden}
@media(max-width:1180px){.nav-links,.nav-actions{display:none}.menu-toggle{display:flex;margin-left:auto}.hero-grid,.editorial-grid,.black-grid,.subhero-grid{grid-template-columns:1fr}.portal-grid,.product-showcase,.editorial-list,.editorial-list.four,.editorial-list.three,.step-grid,.step-grid.light{grid-template-columns:repeat(2,1fr)}.product-card{grid-template-columns:1fr}.compare-row{grid-template-columns:1fr 1fr}.compare-row.head{display:none}.footer-grid{flex-direction:column}.footer-links{align-items:flex-start}}
@media(max-width:760px){.container{width:min(100%,calc(100% - 24px))}.hero,.section,.subhero{padding:48px 0}.portal-grid,.product-showcase,.editorial-list,.editorial-list.four,.editorial-list.three,.step-grid,.step-grid.light{grid-template-columns:1fr}.hero h1,.section-head h2,.editorial h2,.black-section h2,.subhero h1{font-size:38px}.hero-image img,.subhero img{height:auto}.compare-row{grid-template-columns:1fr}}