:root{--green:#123f36;--ink:#182f29;--muted:#65746e;--canvas:#f3f5f0;--tint:#e5eddf;--border:#dce4db;--white:#fff}*{box-sizing:border-box}body{margin:0;background:var(--canvas);color:var(--ink);font-family:'Be Vietnam Pro',Arial,sans-serif;font-size:14px;line-height:1.55}button,input,select{font:inherit}button,a,select,input{ -webkit-tap-highlight-color:transparent}button{cursor:pointer;border:0}button:focus-visible,a:focus-visible,select:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid #8fa990;outline-offset:4px}button:disabled{opacity:.38;cursor:not-allowed}svg{width:22px;height:22px;flex-shrink:0;display:block}a{color:inherit;text-decoration:none}.topbar{height:88px;background:white;display:flex;align-items:center;gap:24px;padding:20px max(32px,calc((100vw - 1344px)/2));border-bottom:1px solid var(--border)}.brand{display:flex;align-items:center;gap:12px;color:var(--green);white-space:nowrap}.brand img{width:42px;height:42px}.brand 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0}dl>div:first-child{padding-top:0}dt{color:var(--muted);font-size:11px;margin-bottom:5px}dd{margin:0;font-size:13px;font-weight:500}.specs h3{font-size:14px;margin-bottom:10px}.specs p{font-size:13px;color:var(--muted)}.spec-note{display:flex;gap:10px;background:var(--canvas);padding:14px;margin-top:20px;border-radius:12px;font-size:11px;color:var(--muted)}.spec-note svg{width:18px;height:18px}.buy-panel{border:1px solid var(--border)}.eyebrow{font-size:10px;font-weight:600;color:var(--muted);letter-spacing:.35px}.price{font-size:30px;font-weight:700;letter-spacing:-1px;color:var(--green);margin:12px 0}.buy-panel .caption{margin-top:5px}.rule{height:1px;background:var(--border);margin:22px 0}label,legend{font-size:12px;font-weight:600;display:block;margin-bottom:12px}select{width:100%;border:1px solid var(--border);border-radius:12px;background:var(--tint);color:var(--green);padding:13px 36px 13px 14px;font-size:12px;font-weight:600;cursor:pointer}fieldset{padding:0;border:0;margin:22px 0}legend{padding:0}.thickness-options{display:grid;grid-template-columns:repeat(5,1fr);gap:8px}.thickness-options button{padding:11px 0;border-radius:11px;background:var(--canvas);color:var(--ink);font-weight:500;transition:background .14s,color .14s}.thickness-options .selected{background:var(--green);color:white}.quantity-area{display:grid;grid-template-columns:1fr 1fr;gap:16px;align-items:center}.stepper{display:flex;align-items:center;border-radius:12px;background:var(--canvas);height:52px;padding:5px}.stepper button{background:transparent;color:var(--ink);width:36px;height:42px;flex-shrink:0;font-size:20px}.stepper input{min-width:0;width:100%;text-align:center;border:0;background:transparent;color:var(--ink);font-size:18px;font-weight:600;-moz-appearance:textfield}.stepper input::-webkit-inner-spin-button,.stepper 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32px))}.toast{bottom:82px;font-size:12px}.drawer-header{padding:22px}.drawer-body{padding:18px}.drawer-footer{padding:20px}.total-row{font-size:14px}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}