:root{--ivory:#f7f2e9;--paper:#fffdfa;--espresso:#2d211b;--espresso-soft:#59483e;--stone:#d7ccc0;--stone-soft:#ebe3d9;--champagne:#b9904c;--champagne-soft:#f1e4c9;--danger:#9a4e44}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--ivory);color:var(--espresso);margin:0;font-family:Arial,Noto Sans TC,Microsoft JhengHei,sans-serif;line-height:1.55}button,input{font:inherit}button{cursor:pointer}a{color:inherit}:focus-visible{outline:3px solid var(--champagne);outline-offset:3px}.wrapper{width:min(1120px,100% - 48px);margin:0 auto}.site-header{justify-content:space-between;align-items:center;gap:20px;min-height:70px;display:flex}.brand{color:var(--espresso);letter-spacing:-.035em;align-items:center;gap:10px;font-weight:780;text-decoration:none;display:inline-flex}.fortress-mark{flex:0 0 23px;width:23px;height:23px;display:block}.header-actions{align-items:center;gap:14px;display:flex}.language-switch{border:1px solid var(--stone);background:var(--paper);border-radius:999px;padding:3px;display:inline-flex}.language-switch button{min-width:43px;color:var(--espresso-soft);background:0 0;border:0;border-radius:999px;padding:4px 8px;font-size:.74rem;font-weight:750}.language-switch button[aria-pressed=true]{color:var(--paper);background:var(--espresso)}.eyebrow{color:var(--espresso-soft);letter-spacing:.1em;text-transform:uppercase;font-size:.76rem}.parent-brand{min-height:32px;color:var(--espresso-soft);letter-spacing:.14em;align-items:center;font-size:.68rem;font-weight:800;line-height:1;text-decoration:none;display:inline-flex}.growth-mark{vertical-align:-.12em;fill:none;stroke:currentColor;stroke-linecap:round;stroke-linejoin:round;stroke-width:1.35px;width:14px;height:13px;margin-left:4px;display:inline-block}.hero{border-top:1px solid var(--stone);padding:26px 0 24px}.hero-copy{max-width:720px}.eyebrow{margin:0 0 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var(--stone);background:var(--paper);border-radius:14px;margin-top:22px;overflow:hidden}.total-card{background:var(--espresso);color:var(--paper);padding:19px 22px 17px}.total-card p,.total-card span{color:#e6d7c8;margin:0;font-size:.83rem}.total-card strong{color:var(--champagne-soft);letter-spacing:-.06em;margin:3px 0;font-size:clamp(2rem,4.6vw,2.7rem);display:block}.result-labels,.weight-row{grid-template-columns:minmax(0,1fr) 120px 76px;align-items:center;gap:12px;display:grid}.result-labels{color:var(--espresso-soft);padding:11px 22px 7px;font-size:.74rem;font-weight:800}.result-labels span:not(:first-child),.weight-row span:not(:first-child),.weight-row strong{text-align:right}.weight-row{border-top:1px solid var(--stone-soft);padding:12px 22px}.weight-name{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.weight-row strong{color:#956d2f}.empty-result{color:var(--espresso-soft);margin:0;padding:21px 22px}.position-cta{background:#fbf5e9;border:1px solid #d7bb86;border-radius:14px;margin-top:20px;padding:23px}.position-cta h2{max-width:620px;margin-bottom:7px;font-size:1.45rem}.position-cta p:not(.eyebrow){color:#574534;max-width:620px}.position-cta a{color:#795827;margin-top:2px;font-weight:800;display:inline-block}.data-note{color:var(--espresso-soft);margin:13px 2px 0;font-size:.84rem}.content-section,.faq-section{border-top:1px solid var(--stone);padding:58px 0}.narrow{max-width:600px}.guide-grid{grid-template-columns:repeat(3,1fr);gap:14px;display:grid}.guide-grid article{border:1px solid var(--stone);background:var(--paper);border-radius:12px;padding:20px}.guide-grid p{color:var(--espresso-soft);margin-bottom:0;font-size:.94rem}.faq-list{border-top:1px solid var(--stone);margin:0}.faq-list div{border-bottom:1px solid var(--stone);padding:18px 0}.faq-list dt{margin-bottom:6px;font-size:1.04rem;font-weight:780}.faq-list dd{color:var(--espresso-soft);margin:0}.site-footer{border-top:1px solid var(--stone);background:#eee4d8;margin-top:8px;padding:34px 0}.footer-grid{grid-template-columns:minmax(0,1.25fr) minmax(260px,.75fr);gap:28px;display:grid}.footer-brand>a{color:var(--espresso);align-items:center;margin-bottom:8px;font-size:1.1rem;font-weight:800;text-decoration:none;display:inline-flex}.footer-brand>p:last-child{max-width:420px;color:var(--espresso-soft);margin-bottom:0;font-size:.85rem}.footer-links{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;display:grid}.footer-label{color:var(--espresso-soft);letter-spacing:.09em;text-transform:uppercase;margin-bottom:7px;font-size:.75rem;font-weight:800}.footer-links a{color:var(--espresso);align-items:center;margin-bottom:6px;font-size:.92rem;display:inline-flex}@media (min-width:651px){.results{margin-top:40px}}@media (max-width:650px){.wrapper{width:min(100% - 28px,1120px)}.site-header{min-height:64px}.header-actions{gap:8px}.parent-brand{letter-spacing:.11em;min-height:30px;font-size:.61rem}.hero{padding:25px 0 28px}h1{font-size:clamp(2.3rem,11vw,3.1rem)}.calculator-section{padding:31px 0 48px}.field-labels{display:none}.holding-row{grid-template-columns:1fr 40px;gap:9px;padding:13px}.holding-row label:nth-child(2),.holding-row label:first-child{grid-column:1}.holding-row label{display:block}.mobile-label{color:var(--espresso-soft);margin:0 0 5px;font-size:.72rem;font-weight:800;display:block}.remove-button{grid-area:1/2/span 2;align-self:center}.result-labels,.weight-row{grid-template-columns:minmax(0,1fr) 92px 62px;gap:8px}.result-labels{padding:10px 15px 7px;font-size:.68rem}.weight-row{padding:12px 15px;font-size:.89rem}.total-card{padding:18px 15px 16px}.empty-result{padding:20px 15px}.position-cta{padding:20px}.guide-grid{grid-template-columns:1fr;gap:10px}.content-section,.faq-section{padding:47px 0}.footer-grid,.footer-links{grid-template-columns:1fr}.footer-grid{gap:24px}.footer-links{gap:18px}}