:root{
  --bg:#f6f5f2; --surface:#fff; --text:#171717; --muted:#696969; --line:#e5e2dc;
  --accent:#1f4e46; --accent2:#d9b58d; --soft:#e8efed; --radius:24px;
}
*{box-sizing:border-box} html{scroll-behavior:smooth} body{margin:0;font-family:Inter,"PingFang SC","Microsoft YaHei",system-ui,sans-serif;background:var(--bg);color:var(--text)}
a{text-decoration:none;color:inherit} img{display:block;max-width:100%}.container{width:min(1180px,calc(100% - 40px));margin:auto}
.site-header{position:sticky;top:0;z-index:20;background:rgba(246,245,242,.9);backdrop-filter:blur(16px);border-bottom:1px solid rgba(0,0,0,.05)}
.nav-wrap{height:76px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:11px;font-weight:800}.brand-mark{display:grid;place-items:center;width:36px;height:36px;border-radius:11px;background:var(--accent);color:#fff}.nav{display:flex;align-items:center;gap:30px;font-size:14px}.nav a{color:#3f3f3f}.nav-cta{padding:11px 18px;background:var(--text);color:#fff!important;border-radius:999px}.menu-btn{display:none;border:0;background:transparent;font-size:26px}
.hero{padding:76px 0 58px;background:radial-gradient(circle at 20% 0,#fff 0,transparent 36%),linear-gradient(135deg,#f7f4ee,#e8efed)}.hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:54px;align-items:center}.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:800;letter-spacing:.12em;color:var(--accent);text-transform:uppercase}.eyebrow:before{content:"";width:24px;height:2px;background:currentColor}.hero h1{font-size:clamp(42px,5vw,72px);line-height:1.04;letter-spacing:-.04em;margin:18px 0 22px}.hero p{font-size:18px;line-height:1.8;color:var(--muted);max-width:650px}.hero-actions{display:flex;gap:12px;margin:32px 0}.btn{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:999px;padding:14px 22px;font-size:15px;font-weight:800;cursor:pointer}.primary{background:var(--accent);color:#fff}.secondary{background:#fff;border:1px solid var(--line)}.hero-points{display:flex;flex-wrap:wrap;gap:10px}.hero-points span{font-size:13px;padding:8px 12px;border-radius:999px;background:rgba(255,255,255,.7);border:1px solid rgba(0,0,0,.05)}.hero-card{background:white;border-radius:32px;padding:18px;box-shadow:0 24px 70px rgba(31,78,70,.13);transform:rotate(1deg)}.hero-card img{aspect-ratio:4/3;object-fit:contain;border-radius:22px;background:#fff}.hero-card-caption{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:18px 8px 6px}.hero-card-caption span{font-size:12px;color:var(--muted);text-align:right}
.strip{background:#151515;color:#fff}.strip-grid{display:grid;grid-template-columns:repeat(4,1fr);padding:26px 0}.strip-grid div{display:flex;flex-direction:column;gap:5px;padding-left:28px;border-left:1px solid #393939}.strip-grid div:first-child{border-left:0;padding-left:0}.strip-grid b{font-size:20px}.strip-grid span{font-size:12px;color:#a9a9a9}
.section{padding:92px 0}.section.muted{background:#eceae5}.section-head{display:flex;justify-content:space-between;gap:40px;align-items:end;margin-bottom:34px}.section-head h2{font-size:42px;letter-spacing:-.03em;margin:10px 0 0}.section-head p{max-width:520px;line-height:1.8;color:var(--muted);margin:0}.section-head.compact{margin-bottom:32px}.filters{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:28px}.filter{border:1px solid var(--line);background:#fff;border-radius:999px;padding:10px 16px;cursor:pointer}.filter.active{background:var(--text);color:#fff;border-color:var(--text)}
.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.product-card{background:#fff;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);transition:.25s ease}.product-card:hover{transform:translateY(-5px);box-shadow:0 18px 50px rgba(0,0,0,.08)}.product-image{aspect-ratio:4/3;background:#fff;overflow:hidden}.product-image img{width:100%;height:100%;object-fit:contain}.product-body{padding:22px}.product-top{display:flex;justify-content:space-between;align-items:start;gap:16px}.product-top h3{font-size:22px;margin:0}.tag{font-size:11px;font-weight:800;padding:6px 9px;border-radius:999px;background:var(--soft);color:var(--accent);white-space:nowrap}.product-body>p{color:var(--muted);line-height:1.7;font-size:14px;min-height:48px}.specs{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:18px 0}.spec{padding:12px;border-radius:14px;background:#f7f7f5}.spec small{display:block;color:#8a8a8a;font-size:11px;margin-bottom:4px}.spec b{font-size:13px}.product-link{display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--line);padding-top:16px;font-weight:800;font-size:13px;color:var(--accent)}
.adv-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.adv-grid article{background:#fff;padding:28px;border-radius:22px}.icon{width:44px;height:44px;border-radius:14px;background:var(--accent);color:#fff;display:grid;place-items:center;font-weight:800}.adv-grid h3{font-size:18px;margin:22px 0 10px}.adv-grid p{margin:0;color:var(--muted);font-size:14px;line-height:1.75}
.guide-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.guide-card{padding:30px;border-radius:24px;background:#fff;border:1px solid var(--line)}.guide-card span{font-size:12px;color:var(--accent);font-weight:800}.guide-card h3{font-size:24px;margin:10px 0}.guide-card p{color:var(--muted);margin:0;line-height:1.7}
.contact{padding-top:30px}.contact-box{display:grid;grid-template-columns:.9fr 1.1fr;gap:52px;background:var(--accent);color:#fff;padding:56px;border-radius:34px}.eyebrow.light{color:#d7e9e4}.contact h2{font-size:40px;margin:14px 0}.contact p{color:#d5e2df;line-height:1.8}.contact form{background:#fff;padding:24px;border-radius:22px}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}input,textarea{width:100%;border:1px solid #dedede;border-radius:14px;padding:14px 15px;font:inherit;margin-bottom:12px;outline:none}input:focus,textarea:focus{border-color:var(--accent)}textarea{resize:vertical}.light-btn{width:100%;background:#171717;color:#fff}.form-note{font-size:11px!important;color:#8a8a8a!important;margin:10px 0 0!important;text-align:center}
footer{padding:34px 0}.footer-inner{display:flex;align-items:center;justify-content:space-between;color:#777;font-size:12px}.footer-inner div{display:flex;flex-direction:column;gap:4px}.footer-inner strong{color:#1d1d1d;font-size:14px}.toast{position:fixed;left:50%;bottom:30px;transform:translate(-50%,20px);background:#111;color:#fff;padding:12px 18px;border-radius:999px;font-size:13px;opacity:0;pointer-events:none;transition:.25s}.toast.show{opacity:1;transform:translate(-50%,0)}
@media(max-width:900px){.hero-grid,.contact-box{grid-template-columns:1fr}.hero-card{transform:none}.product-grid{grid-template-columns:repeat(2,1fr)}.adv-grid{grid-template-columns:repeat(2,1fr)}.strip-grid{grid-template-columns:repeat(2,1fr);row-gap:22px}.section-head{align-items:start;flex-direction:column}.nav{display:none;position:absolute;left:20px;right:20px;top:68px;background:white;padding:20px;border-radius:20px;box-shadow:0 18px 50px rgba(0,0,0,.12);flex-direction:column;align-items:stretch}.nav.open{display:flex}.menu-btn{display:block}}
@media(max-width:620px){.container{width:min(100% - 24px,1180px)}.hero{padding-top:48px}.hero h1{font-size:44px}.hero p{font-size:16px}.strip-grid{grid-template-columns:1fr 1fr}.strip-grid div{padding-left:12px}.section{padding:66px 0}.section-head h2,.contact h2{font-size:32px}.product-grid,.adv-grid,.guide-grid{grid-template-columns:1fr}.form-row{grid-template-columns:1fr}.contact-box{padding:28px}.footer-inner{align-items:flex-start;gap:18px;flex-direction:column}}