:root{--bg:#f5f8fb;--surface:#fff;--ink:#192433;--muted:#758195;--line:#e3eaf0;--accent:#0e9b8c;--accent-dark:#08796e;--accent-soft:#e7f7f4;--gold:#cf922e;--shadow:0 20px 55px rgba(32,56,79,.10);font-family:Inter,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--bg)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-width:320px;background:radial-gradient(circle at 80% -20%,#e9faf7 0,transparent 30%),var(--bg)}button,input{font:inherit}button{cursor:pointer}.wrap{width:min(1180px,calc(100% - 48px));margin:0 auto}
.site-header{position:sticky;top:0;z-index:5;display:flex;height:72px;align-items:center;gap:42px;padding:0 max(24px,calc((100vw - 1180px)/2));border-bottom:1px solid rgba(220,229,236,.7);background:rgba(255,255,255,.88);backdrop-filter:blur(14px)}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none}.brand-mark{display:grid;width:32px;height:32px;place-items:center;border-radius:10px;background:var(--accent);color:white;font-size:18px;font-weight:800;box-shadow:0 8px 18px rgba(14,155,140,.22)}.brand strong,.brand small{display:block}.brand strong{font-size:15px;letter-spacing:.04em}.brand small{margin-top:3px;color:#93a0af;font-size:7px;font-weight:800;letter-spacing:.18em}.main-nav{display:flex;gap:26px}.main-nav a{position:relative;padding:26px 0;color:#8490a0;font-size:13px;text-decoration:none}.main-nav a.active,.main-nav a:hover{color:var(--ink)}.main-nav a.active:after{position:absolute;right:0;bottom:-1px;left:0;height:2px;border-radius:2px;background:var(--accent);content:""}.header-actions{display:flex;align-items:center;gap:10px;margin-left:auto}.text-button,.account-button{border:0;background:transparent;color:#667488;font-size:12px}.text-button:hover{color:var(--accent)}.account-button{display:flex;align-items:center;gap:8px;padding:7px 10px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--ink);font-weight:700}.avatar{display:grid;width:25px;height:25px;place-items:center;border-radius:50%;background:#e5f4f1;color:var(--accent-dark);font-size:11px}
.hero{display:flex;min-height:355px;align-items:center;justify-content:space-between;gap:40px;padding:62px 0 56px}.hero-copy{max-width:670px}.eyebrow,.panel-label{color:var(--accent);font-size:10px;font-weight:850;letter-spacing:.18em}.hero h1{margin:13px 0 15px;font-size:clamp(36px,5vw,60px);line-height:1.1;letter-spacing:-.055em}.hero h1 em{color:var(--accent);font-style:normal}.hero p{max-width:480px;margin:0;color:var(--muted);font-size:15px;line-height:1.9}.hero-proof{display:flex;align-items:center;gap:8px;margin-top:25px;color:#7c8896;font-size:12px}.hero-proof b{color:var(--ink)}.proof-dot{width:8px;height:8px;border-radius:50%;background:#36b68c;box-shadow:0 0 0 4px #e4f7ef}.hero-card{position:relative;width:315px;min-height:210px;overflow:hidden;padding:24px;border:1px solid #d9eee9;border-radius:18px;background:linear-gradient(145deg,#f4fffc,#e4f7f4);box-shadow:var(--shadow)}.hero-card-glow{position:absolute;top:-70px;right:-40px;width:190px;height:190px;border-radius:50%;background:#b1eee3;opacity:.5;filter:blur(2px)}.hero-ai-icon{position:absolute;top:8px;right:25px;width:116px;height:116px;object-fit:contain;opacity:.98}.hero-card>*{position:relative}.hero-card-top,.hero-card-bottom{display:flex;align-items:center;justify-content:space-between;color:#6c8b89;font-size:10px;letter-spacing:.12em}.status-pill{display:flex;align-items:center;gap:6px;padding:6px 8px;border-radius:999px;background:#fff;color:var(--accent-dark);font-size:10px;letter-spacing:0}.status-pill i{width:6px;height:6px;border-radius:50%;background:#29ad8f}.hero-card-number{margin:40px 0 32px;font-size:38px;font-weight:800;letter-spacing:-.06em}.hero-card-number span{font-size:12px;font-weight:600;letter-spacing:0;color:#78928f}.hero-card-bottom{padding-top:14px;border-top:1px solid rgba(14,155,140,.14);letter-spacing:0}.hero-card-bottom strong{color:var(--accent-dark);font-size:12px}
.catalog{display:grid;grid-template-columns:220px minmax(0,1fr);gap:46px;padding-bottom:88px}.category-panel{padding-top:5px}.category-panel h2,.section-heading h2{margin:8px 0 18px;font-size:25px;letter-spacing:-.04em}.category-list{display:grid;gap:5px}.category{display:flex;width:100%;height:44px;align-items:center;gap:10px;padding:0 11px;border:0;border-radius:9px;background:transparent;color:#6e7b8b;text-align:left;font-size:12px}.category:hover{background:#edf8f6;color:var(--accent-dark)}.category.active{background:var(--accent-soft);color:var(--accent-dark);font-weight:800}.category-icon{display:grid;width:22px;height:22px;place-items:center;border-radius:7px;color:var(--accent);font-size:14px}.category b{margin-left:auto;color:#9aa7b3;font-size:10px;font-weight:600}.category.active b{color:var(--accent-dark)}.category-note{display:flex;gap:9px;margin-top:45px;padding:13px;border:1px solid var(--line);border-radius:10px;background:#fbfcfd;color:#718092;font-size:11px;line-height:1.6}.category-note small{color:#a0aab6;font-size:9px}.note-icon{display:grid;width:20px;height:20px;flex:none;place-items:center;border-radius:50%;background:#e8f7f3;color:var(--accent);font-weight:800}
.catalog-section{min-width:0}.section-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:20px}.section-heading h2{margin-bottom:0}.section-tools{display:flex;align-items:center;gap:15px;color:#97a2af;font-size:11px}.sort-button{border:0;background:none;color:#708092;font-size:11px}.sort-button span{margin-left:5px;color:var(--accent)}.search-field{display:flex;height:43px;align-items:center;gap:10px;margin:23px 0 19px;padding:0 13px;border:1px solid var(--line);border-radius:9px;background:#fff;color:#95a1ae;box-shadow:0 5px 16px rgba(37,58,78,.03)}.search-field:focus-within{border-color:#91d4ca;box-shadow:0 0 0 4px rgba(14,155,140,.08)}.search-field span{font-size:21px;line-height:0}.search-field input{min-width:0;flex:1;border:0;outline:0;color:var(--ink);font-size:12px}.search-field kbd{padding:2px 6px;border:1px solid #e2e8ed;border-radius:5px;color:#aab4bf;font-size:10px}
.product-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.product-card{display:flex;min-height:224px;flex-direction:column;padding:16px;border:1px solid var(--line);border-radius:12px;background:#fff;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}.product-card:hover{transform:translateY(-3px);border-color:#bde3dd;box-shadow:0 15px 35px rgba(33,70,79,.10)}.product-visual{display:grid;height:76px;place-items:center;margin-bottom:14px;border-radius:9px;background:linear-gradient(135deg,#f2f8fb,#eef8f6);color:var(--accent);font-size:31px}.product-card:nth-child(3n+2) .product-visual{background:linear-gradient(135deg,#fff7e9,#fff1dc);color:#d09331}.product-card:nth-child(3n) .product-visual{background:linear-gradient(135deg,#f2f0ff,#f0f5ff);color:#8174cf}.product-tag{align-self:flex-start;margin-bottom:7px;padding:4px 7px;border-radius:5px;background:#f1f7f8;color:#6b8790;font-size:9px}.product-card:nth-child(3n+2) .product-tag{background:#fff7eb;color:#b78132}.product-card:nth-child(3n) .product-tag{background:#f2f0ff;color:#7665ba}.product-card h3{margin:0;color:var(--ink);font-size:13px;line-height:1.45}.product-meta{display:flex;align-items:center;justify-content:space-between;margin-top:10px;color:#98a3ae;font-size:10px}.product-price{color:var(--ink);font-size:18px;font-weight:850;letter-spacing:-.04em}.product-price small{margin-left:2px;color:#8c98a5;font-size:10px;font-weight:500;letter-spacing:0}.product-footer{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:13px}.delivery{color:#7e8c9b;font-size:9px}.buy-button{padding:7px 10px;border:1px solid #c9ebe5;border-radius:7px;background:#f0fbf8;color:var(--accent-dark);font-size:10px;font-weight:800}.buy-button:hover{background:var(--accent);color:#fff}.empty-state{display:grid;min-height:220px;place-items:center;border:1px dashed #cad7df;border-radius:12px;background:#fbfcfd;color:#7c8996;text-align:center}.empty-state strong,.empty-state span{display:block}.empty-state span{margin-top:7px;font-size:12px}
.site-footer{border-top:1px solid var(--line);background:#fff}.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:30px 0}.footer-brand .brand-mark{width:27px;height:27px;font-size:14px}.footer-brand strong{font-size:13px}.footer-inner p{margin:11px 0 0;color:#9aa5b1;font-size:10px}.footer-links{display:flex;gap:22px}.footer-links a{color:#738091;font-size:11px;text-decoration:none}.footer-links a:hover{color:var(--accent)}.copyright{color:#aab4be;font-size:9px}
.toast{position:fixed;right:22px;bottom:22px;z-index:10;padding:12px 16px;border:1px solid #ccece6;border-radius:9px;background:#fff;color:var(--accent-dark);box-shadow:var(--shadow);font-size:12px;opacity:0;transform:translateY(12px);pointer-events:none;transition:.25s}.toast.show{opacity:1;transform:translateY(0)}
@media (max-width:900px){.site-header{gap:22px}.main-nav{gap:15px}.main-nav a{font-size:11px}.hero{padding-top:45px}.catalog{grid-template-columns:175px;gap:25px}.category-note{display:none}.catalog-section{grid-column:1 / -1}.product-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:640px){.wrap{width:min(100% - 30px,520px)}.site-header{height:62px;padding:0 15px;gap:0}.main-nav{display:none}.header-actions{gap:4px}.text-button{display:none}.account-button{padding:5px 7px;font-size:10px}.hero{display:block;padding:38px 0 35px}.hero h1{font-size:40px}.hero p{font-size:13px}.hero-card{width:100%;min-height:155px;margin-top:28px;padding:18px}.hero-card-number{margin:24px 0 22px;font-size:30px}.catalog{display:block;padding-bottom:55px}.category-panel{margin-bottom:27px}.category-panel h2{margin-bottom:10px}.category-list{display:flex;gap:6px;overflow:auto;padding-bottom:3px}.category{width:auto;flex:none;padding:0 10px;white-space:nowrap}.category b{display:none}.category-icon{display:none}.section-heading{align-items:center}.section-heading h2{font-size:22px}.section-tools{font-size:10px}.sort-button{display:none}.search-field{margin:16px 0}.product-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.product-card{min-height:205px;padding:11px}.product-visual{height:64px;margin-bottom:10px;font-size:25px}.product-card h3{font-size:11px}.product-price{font-size:16px}.footer-inner{display:block;padding:24px 0}.footer-links{margin:22px 0}.copyright{display:block}}

/* AI brand assets and the taller marketplace cards used in the reference layout. */
.category{height:56px;gap:12px;padding:0 13px;border-radius:10px}
.category-logo{width:29px;height:29px;object-fit:contain;color:#111}
.claude-logo{color:#d97d52}.grok-logo{color:#111}
.product-card{position:relative;min-height:330px;padding:30px 22px 18px;border-radius:20px;overflow:hidden}
.product-card::after{position:absolute;top:-72px;right:-35px;width:170px;height:170px;border-radius:50%;background:#e9f7f5;content:""}
.product-card-top{position:relative;z-index:1;display:flex;min-height:92px;align-items:flex-start;justify-content:space-between}
.product-logo{width:78px;height:78px;object-fit:contain;color:#111}.product-logo.claude-logo{color:#d97d52}.product-logo.gemini-logo{width:72px;height:72px}
.product-badge{padding:7px 10px;border:1px solid #f0dfa7;border-radius:999px;background:#fff9df;color:#c88c16;font-size:10px;font-weight:800}
.product-card h3{position:relative;z-index:1;min-height:52px;margin:8px 0 13px;font-size:16px;line-height:1.45;letter-spacing:-.02em}
.product-tags{position:relative;z-index:1;display:flex;gap:8px}.product-tags span{padding:7px 9px;border-radius:999px;background:#e8f7f4;color:#0b8d80;font-size:10px;font-weight:800}.product-tags span+span{background:#eaf3fd;color:#397cb9}
.product-divider{position:relative;z-index:1;height:1px;margin:23px 0 15px;background:#e4edf0}
.product-footer{position:relative;z-index:1;display:flex;align-items:flex-end;gap:10px;margin-top:auto}.price-label{display:block;margin-bottom:2px;color:#8d99a8;font-size:10px}.product-price{font-size:27px}.stock-copy{display:flex;min-width:74px;flex-direction:column;align-items:flex-end;margin-left:auto;color:#8d99a8;font-size:9px;line-height:1.6}.stock-copy b{color:#0b9b8b}
@media (max-width:640px){.category{height:42px;padding:0 10px}.category-logo{width:23px;height:23px}.product-card{min-height:260px;padding:17px 13px 14px;border-radius:15px}.product-card-top{min-height:68px}.product-logo{width:57px;height:57px}.product-badge{padding:5px 7px;font-size:8px}.product-card h3{min-height:45px;font-size:11px}.product-tags{gap:4px}.product-tags span{padding:5px 6px;font-size:8px}.product-divider{margin:14px 0 11px}.product-price{font-size:18px}.price-label{font-size:8px}.stock-copy{min-width:55px;font-size:8px}}

.brand-image{background:transparent;box-shadow:0 8px 18px rgba(14,155,140,.14);object-fit:contain}
.support-float{position:fixed;right:22px;bottom:28px;z-index:8;display:flex;width:58px;height:58px;flex-direction:column;align-items:center;justify-content:center;gap:2px;border:1px solid #e2e8ed;border-radius:50%;background:#fff;color:#5d6b7b;box-shadow:0 10px 28px rgba(35,57,78,.16);font-size:10px}.support-float b{display:block;color:#0e9b8c;font-size:19px;line-height:15px}.support-float:hover{border-color:#a8ddd5;color:#0e9b8c;transform:translateY(-2px)}
.hero-card .hero-ai-icon{position:absolute;top:8px;right:25px;width:116px;height:116px;z-index:0;object-fit:contain;opacity:.98}

/* Refined GPT store status card */
.hero-card{width:360px;min-height:236px;padding:22px 22px 18px;border:1px solid rgba(16,59,63,.35);border-radius:22px;background:linear-gradient(145deg,#123b3f 0%,#0c3035 58%,#09272d 100%);box-shadow:0 24px 55px rgba(12,55,59,.22);color:#fff}
.hero-card::before{position:absolute;right:-62px;bottom:-90px;width:225px;height:225px;border:1px solid rgba(148,224,211,.16);border-radius:50%;content:"";box-shadow:0 0 0 22px rgba(148,224,211,.035),0 0 0 45px rgba(148,224,211,.025)}
.hero-card-head{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:14px}
.hero-card-brand{display:flex;min-width:0;align-items:center;gap:11px}.hero-logo{display:grid;width:48px;height:48px;flex:none;place-items:center;border:1px solid rgba(16,59,63,.16);border-radius:15px;background:#f7faf8;box-shadow:0 7px 18px rgba(0,0,0,.18)}.hero-logo img{width:32px;height:32px;object-fit:contain}.hero-card-brand-copy{min-width:0}.hero-card-brand-copy small{display:block;margin-bottom:4px;color:#8fc8bd;font-size:8px;font-weight:800;letter-spacing:.16em}.hero-card-brand-copy strong{display:block;overflow:hidden;color:#fff;font-size:14px;letter-spacing:-.02em;text-overflow:ellipsis;white-space:nowrap}
.hero-card .status-pill{flex:none;padding:7px 10px;background:#f6fbf8;color:#0c6e65;font-size:10px;font-weight:800;box-shadow:0 4px 12px rgba(0,0,0,.12)}.hero-card .status-pill i{width:6px;height:6px;background:#16b78f;box-shadow:0 0 0 3px #d9f5e8}
.hero-card-body{position:relative;z-index:1;display:flex;align-items:flex-end;justify-content:space-between;gap:18px;margin-top:25px}.hero-card-kicker{color:#87bdb5;font-size:9px;font-weight:800;letter-spacing:.16em}.hero-card-number{display:flex;align-items:baseline;gap:7px;margin:7px 0 0;color:#fff;font-size:46px;line-height:.93;font-weight:850;letter-spacing:-.065em}.hero-card-number span{color:#a6d3cb;font-size:12px;font-weight:650;letter-spacing:0}.hero-card-metric{padding:9px 0 2px 17px;border-left:1px solid rgba(151,218,207,.26)}.hero-card-metric small{display:block;margin-bottom:5px;color:#8fbcb6;font-size:10px}.hero-card-metric strong{display:block;color:#fff;font-size:13px;white-space:nowrap}
.hero-card-foot{position:relative;z-index:1;display:flex;align-items:center;gap:6px;margin-top:25px;padding-top:13px;border-top:1px solid rgba(151,218,207,.2);color:#a1cbc4;font-size:9px;font-weight:800;letter-spacing:.08em}.hero-card-foot span{padding:5px 7px;border:1px solid rgba(151,218,207,.2);border-radius:6px;background:rgba(255,255,255,.045)}.hero-card-foot b{margin-left:auto;color:#c1eee5;font-size:10px;font-weight:700;letter-spacing:0;white-space:nowrap}
@media (max-width:640px){.hero-card{width:100%;min-height:224px;margin-top:28px;padding:18px 17px 15px;border-radius:19px}.hero-card-head{gap:8px}.hero-logo{width:43px;height:43px;border-radius:13px}.hero-logo img{width:29px;height:29px}.hero-card-brand{gap:9px}.hero-card-brand-copy small{font-size:7px}.hero-card-brand-copy strong{font-size:12px}.hero-card .status-pill{padding:6px 8px;font-size:9px}.hero-card-body{margin-top:22px;gap:10px}.hero-card-number{font-size:38px}.hero-card-number span{font-size:10px}.hero-card-metric{padding-left:12px}.hero-card-metric small{font-size:9px}.hero-card-metric strong{font-size:11px}.hero-card-foot{gap:4px;margin-top:22px;padding-top:11px}.hero-card-foot span{padding:4px 5px;font-size:8px}.hero-card-foot b{font-size:9px}}

/* Catalog and tutorial links */
.product-actions{display:flex;align-items:center;gap:6px;margin-left:auto}.guide-button{padding:7px 9px;border:1px solid #d7e7ed;border-radius:7px;background:#f8fbfc;color:#718392;font-size:10px;font-weight:800;text-decoration:none;white-space:nowrap}.guide-button:hover{border-color:#9ad8ce;color:var(--accent-dark);background:#eefaf7}.buy-button{text-decoration:none;white-space:nowrap}.detail-tutorial-link{display:inline-flex;margin-top:12px;color:var(--accent-dark);font-size:11px;font-weight:800;text-decoration:none}.detail-tutorial-link:hover{color:var(--accent)}
.product-description{grid-column:1/-1;margin-top:4px;padding:28px 34px;border:1px solid var(--line);border-radius:18px;background:#fff;box-shadow:0 14px 40px rgba(32,56,79,.06)}.product-description header{display:flex;align-items:baseline;gap:12px}.product-description h2{margin:0;font-size:22px}.product-description p{max-width:900px;color:#657587;font-size:14px;line-height:1.9}.description-points{display:flex;flex-wrap:wrap;gap:9px;margin:15px 0}.description-points span{padding:8px 10px;border-radius:8px;background:#eef9f6;color:var(--accent-dark);font-size:11px;font-weight:700}.product-description>a{display:inline-flex;margin-top:8px;color:#3d68d9;font-size:12px;font-weight:800;text-decoration:none}
.tutorial-detail-actions{display:flex;flex-wrap:wrap;gap:10px;margin:20px 0 24px}.tutorial-action-primary,.tutorial-action-secondary{display:inline-flex;align-items:center;padding:11px 15px;border-radius:9px;font-size:12px;font-weight:800;text-decoration:none}.tutorial-action-primary{background:var(--accent);color:#fff}.tutorial-action-secondary{border:1px solid #dbe5eb;color:#5e7183;background:#fff}.tutorial-action-primary:hover{background:var(--accent-dark)}
@media(max-width:640px){.product-actions{gap:4px}.guide-button,.buy-button{padding:6px 7px;font-size:9px}.product-description{padding:22px 17px;border-radius:14px}.product-description header{display:block}.product-description h2{margin-top:7px;font-size:18px}.product-description p{font-size:12px}.description-points{display:grid}.tutorial-detail-actions{margin:16px 0 20px}}
.product-card{cursor:pointer}.product-card:focus-visible{outline:3px solid rgba(14,155,140,.28);outline-offset:3px}.product-actions{pointer-events:auto}.description-sections{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:22px 0}.description-sections>div{padding:15px;border:1px solid #e8eef1;border-radius:12px;background:#fbfcfd}.description-sections h3{margin:0 0 7px;color:#3b5061;font-size:12px}.description-sections p{margin:0;font-size:11px;line-height:1.75}.description-links{display:flex;flex-wrap:wrap;gap:15px}.description-links a,.lookup-link{color:var(--accent-dark);font-size:11px;font-weight:800;text-decoration:none}.ticket-result{margin-top:14px;color:var(--accent-dark);font-size:11px;font-weight:800}.payment-empty{color:#8a96a4;font-size:11px}@media(max-width:640px){.description-sections{grid-template-columns:1fr}.description-links{display:grid;gap:9px}.footer-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.footer-links a{font-size:10px}}
.payment-hint{display:block;margin-top:10px;color:#8a96a4;font-size:10px;line-height:1.6}
.rich-product-guide .guide-notice,.tutorial-guide-content .guide-notice{margin:18px 0;padding:13px 15px;border-left:3px solid var(--accent);border-radius:8px;background:#effaf7;color:#386861;font-size:13px;font-weight:750;line-height:1.8}.guide-content{display:grid;gap:14px}.guide-content>h3{margin:0;color:#26394b;font-size:16px}.guide-content>p{margin:0;color:#657587;font-size:13px;line-height:1.9}.guide-block,.tutorial-guide-block{padding:17px 18px;border:1px solid #e6edf0;border-radius:12px;background:#fbfcfd}.guide-block.warning{border-color:#f0dfbf;background:#fffaf1}.guide-block h3,.tutorial-guide-block h2{margin:0 0 10px;color:#344c5b;font-size:14px}.guide-block ul,.guide-block ol,.tutorial-guide-block ul,.tutorial-guide-block ol{display:grid;gap:8px;margin:0;padding-left:21px;color:#697b89;font-size:12px;line-height:1.8}.guide-block.warning li{color:#9b6733}.tutorial-guide-content{display:grid;gap:13px;margin-top:28px;padding-top:25px;border-top:1px solid #edf1f3}.tutorial-guide-block p{margin:0;color:#6c7d8b;font-size:12px;line-height:1.8}.tutorial-guide-block li{color:#6c7d8b}.tutorial-guide-block h2{font-size:16px}@media(max-width:640px){.rich-product-guide .guide-notice,.tutorial-guide-content .guide-notice{font-size:11px}.guide-block,.tutorial-guide-block{padding:14px}.guide-block ul,.guide-block ol,.tutorial-guide-block ul,.tutorial-guide-block ol{font-size:11px}}
.guide-inline-link{display:inline-flex;margin:12px 10px 0 0;padding:8px 11px;border-radius:8px;background:#eaf6f2;color:#18715f;font-size:12px;font-weight:750;text-decoration:none}.guide-inline-link:hover{background:#d9efe8}.guide-block.official{border-color:#cfe8df;background:#f5fbf9}.guide-block.official p{margin:10px 0 0;color:#647a7a;font-size:12px;line-height:1.8}.guide-block.warranty{border-color:#dfe5f4;background:#f8faff}.guide-block.warranty li{color:#536786}.guide-agreement{margin:2px 0 0;padding:14px 16px;border-radius:10px;background:#fff2f0;color:#a5493f;font-size:13px;font-weight:800;line-height:1.8}
.product-guide-media{margin:0;padding:12px;border:1px solid #e6edf0;border-radius:12px;background:#fff}.product-guide-media img{display:block;width:100%;max-height:500px;object-fit:contain;border-radius:8px;background:#f2f4f6}.product-guide-media figcaption{margin-top:8px;color:#7a899d;font-size:11px;text-align:center}

@media (max-width:640px){
  body{overflow-x:hidden}
  .site-header{height:auto;min-height:62px;flex-wrap:wrap;align-content:center;gap:0;padding:8px 14px 0}
  .site-header>.brand{min-height:46px}
  .header-actions{margin-left:auto}
  .header-actions .account-button{min-height:38px;padding:4px 7px;font-size:10px}
  .main-nav{order:3;display:flex;width:calc(100% + 28px);flex:0 0 calc(100% + 28px);gap:18px;margin:7px -14px 0;padding:0 14px;overflow-x:auto;overscroll-behavior-x:contain;border-top:1px solid #edf1f3;scrollbar-width:none;-webkit-overflow-scrolling:touch}
  .main-nav::-webkit-scrollbar{display:none}
  .category-list{scrollbar-width:none;-webkit-overflow-scrolling:touch}
  .category-list::-webkit-scrollbar{display:none}
  .main-nav a{flex:none;padding:11px 0 10px;font-size:11px;white-space:nowrap}
  .main-nav a.active:after{bottom:0}
  .support-float{position:static;right:auto;bottom:auto;width:48px;height:48px;margin:10px 12px calc(14px + env(safe-area-inset-bottom)) auto;font-size:8px;box-shadow:0 5px 16px rgba(35,57,78,.14)}
  .support-float b{font-size:16px}
  .site-footer .footer-inner{padding-bottom:calc(22px + env(safe-area-inset-bottom))}

  /* Keep the compact marketplace card readable when its three footer items
     cannot share one row at narrow widths. */
  .hero-card-foot{flex-wrap:wrap;row-gap:5px}
  .hero-card-foot b{width:100%;margin-left:0}
  .product-footer{flex-wrap:wrap;row-gap:8px}
  .product-actions{width:100%;margin-left:0}
  .product-actions .guide-button{display:flex;width:100%;justify-content:center}
}