:root{--ink:#152448;--muted:#6c7892;--blue:#287cf3;--blue-dark:#1458c9;--line:#e5eaf3;--bg:#f6f8fc;--card:#fff;--gold:#f3a91c;--radius:14px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);font-family:"Microsoft YaHei",Arial,sans-serif;background:var(--bg);line-height:1.5}.site-header{background:#fff;border-bottom:1px solid #eef1f7;position:sticky;top:0;z-index:10}.header-inner{max-width:1180px;height:72px;margin:auto;display:flex;align-items:center;justify-content:space-between;padding:0 20px}.brand{color:var(--ink);display:flex;align-items:center;gap:9px;text-decoration:none;font-weight:800;font-size:20px}.brand small{font-size:12px;color:#8a94a8;font-weight:400;margin-left:3px}.brand-mark{display:grid;place-items:center;width:30px;height:30px;border-radius:9px;color:#fff;background:linear-gradient(135deg,#1b62d1,#5ca7ff);font-size:15px}.nav{display:flex;gap:30px;height:100%;align-items:center}.nav a{height:100%;display:flex;align-items:center;color:#50607b;text-decoration:none;font-size:14px;border-bottom:3px solid transparent}.nav a:hover,.nav a.active{color:var(--blue);border-bottom-color:var(--blue)}.page-shell{max-width:1180px;margin:auto;padding:0 20px 48px}.hero{min-height:230px;padding:55px 32px 40px;display:flex;justify-content:space-between;align-items:center;background:radial-gradient(circle at 80% 40%,#eaf3ff,transparent 34%),linear-gradient(135deg,#fff,#f2f7ff);border-radius:0 0 20px 20px}.eyebrow{color:var(--blue);font-size:13px;font-weight:700;margin:0 0 8px}.hero h1{font-size:42px;letter-spacing:1px;margin:0 0 8px}.hero-copy{color:var(--muted);margin:0}.hero-art{margin-right:45px;width:170px;height:125px;position:relative;border-radius:35px;background:linear-gradient(145deg,#fff6ce,#ffca38);box-shadow:0 18px 35px #e7c66a66;display:grid;place-items:center;color:#9a5b00;font-size:25px;transform:rotate(-5deg)}.hero-art span,.hero-art i{position:absolute;color:#fff;font-size:20px}.hero-art span{top:18px;left:20px}.hero-art i{right:20px;bottom:18px}.product-section{margin-top:22px;padding:24px;border-radius:var(--radius);border:1px solid #e8edf6;background:#fff}.section-hot{background:linear-gradient(180deg,#fffdf8,#fffaf0)}.section-new{background:linear-gradient(180deg,#fcfaff,#f7f3ff)}.section-sequence{background:linear-gradient(180deg,#f7fbff,#eef7ff)}.section-cards{background:linear-gradient(180deg,#fffdf8,#fff8e9)}.section-heading{display:flex;align-items:baseline;gap:13px;margin:0 0 18px}.section-heading h2{font-size:23px;margin:0;border-left:5px solid var(--blue);padding-left:10px}.section-new h2{border-color:#7653ec}.section-cards h2{border-color:#efb51d}.section-heading h2 em{font-style:normal;color:#805ced;font-size:12px;font-weight:700;margin-left:5px}.section-heading 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8px;text-align:center;position:relative}.sequence-item:before{content:attr(data-step);display:grid;place-items:center;width:22px;height:22px;margin:-23px auto 7px;background:#69a7f7;border-radius:50%;color:#fff;font-size:12px;font-weight:700}.sequence-item strong{display:block;font-size:13px}.sequence-item b{display:block;color:#e9362d;font-size:18px;margin:3px 0}.sequence-item small{color:#748098;font-size:12px}.sequence-item .buy-btn{font-size:12px;padding:8px 4px;margin-top:9px}.cards-grid{grid-template-columns:repeat(4,1fr)}.info-panel{margin-top:22px;padding:24px;background:#fff;border:1px solid var(--line);border-radius:var(--radius)}.info-panel h2{font-size:19px;margin:0 0 14px}.info-columns{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.info-columns h3{font-size:14px;margin:0 0 5px}.info-columns p{margin:0;color:var(--muted);font-size:13px}.site-footer{background:#eff3f9;color:#66738c}.footer-inner{max-width:1180px;margin:auto;padding:28px 20px;display:grid;grid-template-columns:1fr 1fr;gap:18px}.footer-inner strong{font-size:18px;color:var(--ink)}.footer-inner p{font-size:12px;margin:5px 0}.footer-links{display:flex;gap:18px;justify-content:flex-end;align-items:flex-start;flex-wrap:wrap}.footer-links a{color:#66738c;text-decoration:none;font-size:13px}.copyright{grid-column:1/-1;text-align:center;border-top:1px solid #dfe5ef;padding-top:15px}.toast{position:fixed;bottom:25px;left:50%;transform:translate(-50%,20px);opacity:0;background:#1f2b45;color:#fff;padding:10px 18px;border-radius:8px;font-size:13px;transition:.2s;pointer-events:none}.toast.show{opacity:1;transform:translate(-50%,0)}@media(max-width:900px){.nav{gap:14px}.product-grid,.cards-grid{grid-template-columns:repeat(3,1fr)}.hero-art{margin-right:10px}.info-columns{grid-template-columns:1fr}}@media(max-width:640px){.header-inner{height:auto;min-height:64px;align-items:flex-start;padding-top:14px;padding-bottom:8px}.nav{display:none}.brand small{display:none}.page-shell{padding:0 12px 35px}.hero{padding:32px 20px;min-height:190px}.hero h1{font-size:32px}.hero-art{display:none}.product-section{padding:16px;margin-top:14px}.section-heading{display:block}.section-heading span{display:block;margin:5px 0 13px}.product-grid,.product-grid.compact,.cards-grid{grid-template-columns:repeat(2,1fr);gap:9px}.product-card{padding:12px 10px;min-height:170px}.product-card h3{font-size:13px}.product-card .price{font-size:19px}.sequence-columns{grid-template-columns:1fr}.sequence-grid{gap:5px}.sequence-item{padding:10px 3px}.footer-inner{display:block}.footer-links{justify-content:flex-start;margin-top:15px;gap:13px}.copyright{margin-top:18px}}