:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--bg:#f6f9fc;--surface:#fff;--text:#16324a;--text-soft:#5b7284;--accent:#0e7fd6;--accent-dark:#0a5fa3;--accent-soft:#e3f1fc;--seg-on:#14181c;--seg-off:#e6ebf0;--cloth:#f3f6f9;--danger:#e8443a;--border:#dde6ee;--header-bg:#ffffffeb;--radius:14px;--shadow:0 4px 24px #16324a14}html.dark{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--bg:#0e161e;--surface:#17222c;--text:#e6eef5;--text-soft:#93a7b8;--accent:#3d9be0;--accent-dark:#63b3ec;--accent-soft:#1a3348;--seg-off:#dde3e9;--cloth:#eef2f6;--danger:#ff6b60;--border:#26333f;--header-bg:#0e161eeb;--shadow:0 4px 24px #00000059}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;scroll-padding-top:72px}body{background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.6}h1,h2,h3{line-height:1.2}a{color:var(--accent);text-decoration:none}.header{z-index:50;background:var(--header-bg);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;gap:12px;padding:12px 20px;display:flex;position:sticky;top:0}.brand{color:var(--text);letter-spacing:-.5px;font-size:1.25rem;font-weight:800}.brand span{color:var(--accent)}.header-right{align-items:center;gap:10px;display:flex}.lang-switch{gap:2px;display:flex}.lang-switch button{color:var(--text-soft);cursor:pointer;background:0 0;border:none;border-radius:6px;padding:4px 6px;font-size:.75rem;font-weight:600}.lang-switch button.active{background:var(--accent-soft);color:var(--accent)}.cart-btn{cursor:pointer;background:0 0;border:none;padding:4px;font-size:1.4rem;position:relative}.theme-btn{cursor:pointer;background:0 0;border:none;padding:4px;font-size:1.15rem}.cart-badge{background:var(--danger);color:#fff;border-radius:999px;justify-content:center;align-items:center;min-width:17px;height:17px;padding:0 4px;font-size:.65rem;font-weight:700;display:flex;position:absolute;top:-4px;right:-6px}main{max-width:1080px;margin:0 auto;padding:0 20px}.section{padding:32px 0}.section h2{margin-bottom:6px;font-size:1.6rem}.section-sub{color:var(--text-soft);max-width:640px;margin-bottom:20px}.hero{text-align:center;padding:36px 0 4px}.hero h1{letter-spacing:-1px;margin-bottom:10px;font-size:clamp(1.7rem,5vw,2.6rem);font-weight:800}.hero-sub{color:var(--text-soft);max-width:620px;margin:0 auto;font-size:1rem}.btn{cursor:pointer;border:none;border-radius:10px;padding:12px 24px;font-size:1rem;font-weight:600;transition:background .15s,transform .1s;display:inline-block}.btn:active{transform:scale(.98)}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-dark)}.btn-primary:disabled{background:var(--border);color:var(--text-soft);cursor:not-allowed}.btn-ghost{color:var(--accent);border:1.5px solid var(--accent);background:0 0}.btn-ghost:hover{background:var(--accent-soft)}.btn-lg{padding:14px 28px;font-size:1.05rem}.btn-block{width:100%;margin-top:12px;display:block}.seg-preview{background:var(--cloth);box-sizing:border-box;border-radius:12px;width:100%;height:auto;padding:14px;display:block}.seg-on{fill:var(--seg-on)}.seg-off{fill:var(--seg-off)}.feature-grid{grid-template-columns:1fr;gap:16px;margin-bottom:40px;display:grid}.feature-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px}.feature-card h3{margin-bottom:6px;font-size:1.05rem}.feature-card p{color:var(--text-soft);font-size:.95rem}.steps{gap:20px;list-style:none;display:grid}.step{align-items:flex-start;gap:16px;display:flex}.step-num{background:var(--accent);color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:36px;height:36px;font-weight:700;display:flex}.step h3{font-size:1.05rem}.step p{color:var(--text-soft);font-size:.95rem}.config-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:24px}.config-label{text-align:center;margin-bottom:8px;font-weight:600;display:block}.config-input{letter-spacing:.35em;text-align:center;border:2px solid var(--border);width:100%;max-width:320px;color:var(--text);font-variant-numeric:tabular-nums;border-radius:10px;margin:0 auto;padding:12px;font-size:2rem;font-weight:700;display:block}.config-input:focus{border-color:var(--accent);outline:none}.gap-control{align-items:center;gap:14px;max-width:440px;margin:0 auto;display:flex}.gap-control label{white-space:nowrap;color:var(--text-soft);font-size:.85rem}.gap-value{color:var(--text-soft);text-align:right;font-variant-numeric:tabular-nums;min-width:48px;font-size:.85rem}.gap-slider{appearance:none;background:var(--seg-off);cursor:pointer;border-radius:999px;outline:none;flex:1;height:4px}.gap-slider::-webkit-slider-thumb{appearance:none;background:var(--text-soft);cursor:pointer;border-radius:50%;width:14px;height:14px}.gap-slider::-moz-range-thumb{background:var(--text-soft);cursor:pointer;border:none;border-radius:50%;width:14px;height:14px}.gap-slider::-moz-range-track{background:var(--seg-off);border-radius:999px;height:4px}.config-hint{color:var(--text-soft);text-align:center;margin-top:8px;font-size:.85rem}.preview-wrap{margin:18px 0}.tpl-trigger{text-align:center;margin-top:16px}.tpl-block{margin-top:16px}.tpl-sheet{border:1px solid var(--border);width:100%;height:auto;box-shadow:var(--shadow);border-radius:6px;display:block}.tpl-actions{flex-wrap:wrap;justify-content:center;gap:10px;margin-top:14px;display:flex}.height-note{color:var(--text-soft);justify-content:center;align-items:center;gap:10px;margin-top:10px;font-size:.85rem;display:flex}.height-arrow{color:var(--accent);white-space:nowrap;font-weight:700}.config-result h3{margin-bottom:12px;font-size:1.05rem}.seg-counts{gap:10px;display:grid}.seg-count{align-items:center;gap:12px;display:flex}.seg-num{text-align:right;font-variant-numeric:tabular-nums;min-width:48px;font-size:1.3rem;font-weight:800}.seg-shape{background:var(--seg-on);box-shadow:0 0 0 6px var(--cloth);border-radius:3px;flex-shrink:0}.seg-shape-h{width:48px;height:8px;margin:6px 0}.seg-shape-v{width:8px;height:48px;margin:6px 20px}.seg-desc{color:var(--text-soft);font-size:.95rem}.seg-total{margin-top:12px;font-weight:600}.config-buy{border-top:1px solid var(--border);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;margin-top:20px;padding-top:20px;display:flex}.config-price{font-size:1.5rem;font-weight:800}.kit-grid{grid-template-columns:1fr;gap:16px;display:grid}.kit-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);flex-direction:column;padding:22px;display:flex}.kit-highlight{border-color:var(--accent);border-width:2px}.kit-card h3{margin-bottom:4px;font-size:1.1rem}.kit-segments{color:var(--accent-dark);margin-bottom:8px;font-size:.85rem;font-weight:600}.kit-desc{color:var(--text-soft);flex:1;margin-bottom:16px;font-size:.95rem}.kit-buy{justify-content:space-between;align-items:center;gap:12px;display:flex}.kit-price{font-size:1.2rem;font-weight:800}.set-card{max-width:520px;position:relative}.set-card-soon{border-color:var(--border);border-width:1px}.buy-soon{justify-content:flex-end}.soon-badge{background:var(--accent-soft);color:var(--accent-dark);letter-spacing:.03em;text-transform:uppercase;border-radius:999px;padding:3px 10px;font-size:.7rem;font-weight:700;position:absolute;top:14px;right:14px}.soon-note{color:var(--text-soft);margin-top:12px;font-size:.85rem}.set-contents{gap:4px;margin-bottom:12px;list-style:none;display:grid}.set-contents li{padding-left:22px;font-size:.95rem;position:relative}.set-contents li:before{content:"✓";color:var(--accent);font-weight:700;position:absolute;left:0}.set-bulk{color:var(--accent-dark);background:var(--accent-soft);border-radius:8px;margin-bottom:14px;padding:6px 12px;font-size:.9rem;font-weight:600;display:inline-block}.faq-list{gap:10px;max-width:720px;display:grid}.faq-item{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:14px 18px}.faq-item summary{cursor:pointer;font-weight:600}.faq-item p{color:var(--text-soft);margin-top:10px}.footer{border-top:1px solid var(--border);text-align:center;color:var(--text-soft);margin-top:40px;padding:32px 20px 48px;font-size:.85rem}.footer-legal{max-width:640px;margin:0 auto 12px}.drawer-backdrop{z-index:90;background:#16324a66;position:fixed;inset:0}.cart-drawer{background:var(--surface);z-index:100;flex-direction:column;width:min(400px,100vw);padding:20px;display:flex;position:fixed;top:0;bottom:0;right:0;overflow-y:auto;box-shadow:-8px 0 32px #16324a26}.drawer-head{justify-content:space-between;align-items:center;margin-bottom:16px;display:flex}.drawer-close{cursor:pointer;color:var(--text-soft);background:0 0;border:none;font-size:1.8rem;line-height:1}.cart-empty{color:var(--text-soft);padding:20px 0}.cart-items{flex:1;list-style:none}.cart-item{border-bottom:1px solid var(--border);padding:12px 0}.cart-item-info{justify-content:space-between;gap:10px;font-size:.95rem;font-weight:600;display:flex}.cart-item-actions{justify-content:space-between;align-items:center;margin-top:8px;display:flex}.cart-bulk-note{color:var(--accent-dark);margin-top:4px;font-size:.8rem}.qty-control{align-items:center;gap:10px;display:flex}.qty-control button{border:1px solid var(--border);background:var(--surface);cursor:pointer;border-radius:8px;width:28px;height:28px;font-size:1rem}.cart-remove{color:var(--text-soft);cursor:pointer;background:0 0;border:none;font-size:.8rem;text-decoration:underline}.cart-total{justify-content:space-between;padding:16px 0 4px;font-size:1.1rem;font-weight:800;display:flex}.checkout-overlay{z-index:110;background:#16324a80;justify-content:center;align-items:flex-start;padding:20px;display:flex;position:fixed;inset:0;overflow-y:auto}.checkout-modal{background:var(--surface);border-radius:var(--radius);width:100%;max-width:480px;margin:auto 0;padding:24px}.checkout-summary{border-bottom:1px solid var(--border);margin-bottom:16px;padding-bottom:12px}.checkout-item{justify-content:space-between;padding:4px 0;font-size:.95rem;display:flex}.checkout-total{justify-content:space-between;padding-top:8px;font-weight:800;display:flex}.checkout-form{gap:10px;display:grid}.checkout-form h3{margin-bottom:4px}.checkout-form input,.checkout-form select{border:1.5px solid var(--border);background:var(--surface);width:100%;color:var(--text);border-radius:8px;padding:11px 12px;font-size:.95rem}.checkout-form input:focus,.checkout-form select:focus{border-color:var(--accent);outline:none}.form-row{gap:10px;display:flex}.form-row .flex-2{flex:2}.form-row input{flex:1;min-width:0}.checkout-error{color:var(--danger);font-size:.9rem}.checkout-success{text-align:center;padding:24px 0}.success-icon{color:#fff;background:#2eae60;border-radius:50%;justify-content:center;align-items:center;width:56px;height:56px;margin:0 auto 16px;font-size:1.8rem;display:flex}.checkout-success h3{margin-bottom:8px}.checkout-success p{color:var(--text-soft);margin-bottom:16px}.order-number{font-size:1.05rem}@media (width>=720px){.feature-grid,.kit-grid{grid-template-columns:repeat(2,1fr)}.steps{grid-template-columns:repeat(3,1fr)}.config-card{padding:32px}}@media (width>=1000px){.feature-grid,.kit-grid{grid-template-columns:repeat(4,1fr)}}