:root{--blue:#193e82;--ink:#172b45;--muted:#506178;--orange:#d97827;--line:#c5d0df;--paper:#fff;--wash:#f3f6fa;--danger:#9d2631;--green:#146742;--radius:18px;color-scheme:light;font-family:"Noto Sans TC","PingFang TC","Microsoft JhengHei",Arial,sans-serif;color:var(--ink);background:#fff;font-size:17px;line-height:1.8}
*{box-sizing:border-box}body{margin:0}a{color:var(--blue);text-underline-offset:4px}a:hover{text-decoration-thickness:2px}button,input,select{font:inherit}button,a,input,select,summary{-webkit-tap-highlight-color:transparent}button,summary,select{cursor:pointer}button{color:var(--blue);border:1px solid #8f9eb4;background:#fff;border-radius:10px;padding:10px 15px;min-height:46px;line-height:1.5;font-weight:700}button:hover{background:#edf2fa}button:disabled{opacity:.55;cursor:default}button[aria-pressed="true"]{background:var(--blue);color:#fff;border-color:var(--blue)}button:focus-visible,a:focus-visible,input:focus-visible,summary:focus-visible,select:focus-visible,[tabindex]:focus-visible{outline:3px solid var(--blue);outline-offset:4px;box-shadow:0 0 0 2px #fff}a.primary,button.primary{display:inline-flex;align-items:center;justify-content:center;gap:12px;background:var(--blue);border:1px solid var(--blue);color:#fff;text-decoration:none;border-radius:10px;padding:12px 20px;font-weight:700;line-height:1.6;min-height:48px}a.primary:hover,button.primary:hover{background:#112d61}h1,h2,h3,p,figure{margin:0}p+p{margin-top:14px}h1,h2,h3{line-height:1.45;letter-spacing:.01em}h1{font-size:clamp(2rem,3.2vw,3.3rem);font-weight:800;max-width:20ch}h2{font-size:1.65rem}h3{font-size:1.15rem;margin:25px 0 10px}ul,ol{padding-left:1.5em;margin:14px 0 22px}li+li{margin-top:9px}strong{font-weight:800}small,.small{font-size:.84rem;color:var(--muted)}[hidden]{display:none!important}.skip{position:absolute;left:15px;top:-100px;z-index:10;background:#fff;padding:15px}.skip:focus{top:10px}.site-top{max-width:1240px;margin:auto;display:flex;justify-content:space-between;align-items:center;padding:20px 36px;gap:24px;border-bottom:1px solid #e1e6ee}.brand{display:flex;gap:12px;align-items:center;font-size:1.35rem;font-weight:800;text-decoration:none;line-height:1.45;color:var(--blue)}.brand img{width:54px;height:54px;object-fit:contain}.brand small{display:block;font-weight:500;font-size:.72rem;letter-spacing:.1em}.site-top nav{display:flex;gap:25px;font-size:.9rem}.site-top nav a{text-decoration:none;font-weight:700}.hero{max-width:1240px;margin:auto;padding:44px 36px 50px;display:grid;grid-template-columns:1.15fr 1fr;align-items:center;gap:40px}.breadcrumb{font-size:.78rem;color:var(--muted);margin-bottom:22px}.eyebrow{font-size:.8rem;color:var(--blue);font-weight:800;letter-spacing:.1em;margin-bottom:10px}.hero .eyebrow:before{content:"";display:inline-block;width:25px;height:4px;background:var(--orange);margin:0 10px 4px 0}.lead{font-size:1.08rem;margin:24px 0}.hero-actions{display:flex;align-items:center;flex-wrap:wrap;gap:17px}.hero-actions>a:not(.primary){font-size:.9rem}.byline{font-size:.78rem;color:var(--muted);margin-top:22px}.hero-figure{padding:20px;border-radius:24px;background:var(--wash);border:1px solid #dde5f0;position:relative}.hero-figure:after{content:"";width:62px;height:5px;background:var(--orange);position:absolute;bottom:-1px;left:32px}.hero-figure svg{display:block;width:100%;height:auto}.hero-figure figcaption{font-size:.94rem;line-height:1.8;padding:12px 14px 10px}.hero-figure figcaption strong{display:block;font-size:1.35rem}.hero-figure figcaption span{display:block;font-size:.75rem;color:var(--muted);margin-top:8px}.safety-banner{max-width:1168px;margin:0 auto;padding:22px 28px;border-left:5px solid var(--danger);background:#fff4f2;border-radius:0 12px 12px 0}.safety-banner strong{color:var(--danger)}.safety-banner p{font-size:.94rem;margin-top:5px}.contents{max-width:1168px;margin:28px auto 0;display:flex;flex-wrap:wrap;gap:10px 22px;border-bottom:1px solid var(--line);padding:0 0 25px;font-size:.85rem}.contents a{text-decoration:none;font-weight:700;min-height:36px;display:inline-flex;align-items:center}.reading-layout{max-width:1168px;margin:auto;display:grid;grid-template-columns:minmax(0,820px) 260px;gap:70px;align-items:start}.reading-layout article{min-width:0}.article-section{padding:48px 0 38px;border-bottom:1px solid #dce3ed;scroll-margin-top:20px}.section-heading{display:flex;align-items:baseline;gap:15px;margin-bottom:22px}.section-heading>span{font-size:.85rem;font-weight:800;color:var(--blue);font-variant-numeric:tabular-nums;flex:none;position:relative}.section-heading>span:after{content:"";height:3px;display:block;background:var(--orange)}.article-section>p{margin:15px 0;overflow-wrap:anywhere}.article-section blockquote{margin:25px 0;padding:15px 20px;background:var(--wash);border-left:3px solid var(--blue);font-size:.93rem;color:var(--muted)}.side-contact{position:sticky;top:30px;margin-top:50px;padding:24px;background:#f3f6fb;border-top:4px solid var(--orange);border-radius:0 0 16px 16px}.side-contact h2{font-size:1.3rem;margin:10px 0 20px}.side-contact p{font-size:.86rem}.side-contact .primary{font-size:.85rem;margin:20px 0 12px;width:100%;padding:12px}.phone{display:block;text-align:center;font-weight:800;font-size:1.2rem;text-decoration:none;margin-bottom:15px}.side-contact .small{font-size:.77rem}.interactive{background:var(--wash);border:1px solid #ced8e7;border-radius:var(--radius);padding:26px;margin:24px 0;min-width:0}.interactive>p{margin:12px 0;font-size:.94rem}.interactive h3{margin-top:14px}.interactive details{background:#fff;border:1px solid var(--line);border-radius:10px;padding:12px 16px;margin-top:20px}.interactive details p{font-size:.86rem;overflow-wrap:anywhere}.interactive summary{font-weight:700;font-size:.9rem;min-height:28px}.tool-top{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px}.tool-top .eyebrow{margin:0}.badge{font-size:.75rem;background:#e0e8f5;border-radius:50px;padding:4px 10px;color:var(--blue);font-weight:700}.field{display:block;font-weight:700;margin:20px 0 14px;font-size:.9rem}.field select{display:block;width:100%;min-width:0;margin-top:7px;border:1px solid #8f9eb4;border-radius:8px;background:white;padding:11px 34px 11px 12px;color:var(--ink);font-size:.9rem}.range-field{margin:19px 0}.range-field label{font-size:.9rem;font-weight:700;display:block}.range-field label span{font-weight:400}.range-field>div{display:grid;grid-template-columns:minmax(0,1fr) 105px;gap:20px;align-items:center}.range-field input[type="range"]{width:100%;min-height:44px;accent-color:var(--blue);margin:0}.range-field input[type="number"]{width:100%;border:1px solid #8f9eb4;padding:6px 10px;border-radius:8px;color:var(--ink);background:#fff;min-height:44px}.range-field input:disabled{opacity:.5}.range-field small{display:block;margin-top:0;font-size:.75rem}.meters{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:24px}.meter{background:#fff;border:1px solid #d1dbe8;border-radius:12px;padding:16px}.meter span{display:block;font-size:.78rem;color:var(--muted)}.meter strong{font-size:1.6rem;line-height:1.8;color:var(--blue);font-variant-numeric:tabular-nums;overflow-wrap:anywhere}.meter small{display:inline-block;padding-left:5px;color:var(--ink);font-size:.75rem}.result-note{border-left:3px solid var(--blue);background:#e6edf8;padding:16px;font-size:.85rem!important}.caution{border-left:3px solid var(--danger);padding:10px 15px;color:var(--danger);font-weight:700;font-size:.85rem!important}#model-error{color:var(--danger);font-weight:700}.result-card{background:#fff;border-radius:12px;padding:20px;border-top:4px solid var(--orange)}.result-card.danger{border-color:var(--danger)}.result-card h3{margin:0 0 12px}.result-card p{font-size:.94rem}.result-card .choices{margin-top:18px}.choices{display:flex;flex-wrap:wrap;gap:10px;margin:20px 0}.choices button{text-align:left}.decision-options{display:grid;gap:10px;margin-top:18px}.decision-options button{text-align:left;padding:14px 16px;font-size:.93rem;background:#fff}.decision-progress{font-size:.78rem!important;color:var(--muted);margin-bottom:10px!important}.decision-back{font-size:.8rem;margin-top:20px}.layer-buttons{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;margin-bottom:22px}.layer-buttons button{font-size:.82rem;padding:9px 6px}.layer-view svg{display:block;width:100%;height:auto;background:#eaf0f7;border-radius:12px}.layer-view>p{margin-top:16px;font-size:.93rem}.layer-view h3{margin-top:0}.layer-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}.layer-actions button{font-size:.83rem}.layer-note{background:white;padding:12px;border-radius:8px;color:var(--blue);font-size:.85rem}.path-choices{display:grid;gap:12px}.path-choices button{display:block;text-align:left;padding:18px;border-left:4px solid var(--orange)}.path-choices strong{display:block}.path-choices span{display:block;font-size:.82rem;font-weight:500;color:var(--muted);margin-top:5px}.path-choices button:first-child{border-left-color:var(--blue)}.animation-scene{position:relative;border:1px solid #b8c7da;border-radius:12px;overflow:hidden;min-height:180px;background:#eaf0f7;margin-top:18px}.animation-scene svg{display:block;width:100%;height:auto}.animation-scene svg text{font-family:inherit}.subtitles{background:#172b45;color:white;border-radius:12px;padding:18px;text-align:center;min-height:140px;font-size:1.03rem;font-weight:700;display:flex;flex-direction:column;justify-content:center;margin-top:12px;line-height:1.65}.subtitles span{display:block}.playback{display:flex;align-items:center;flex-wrap:wrap;gap:10px;margin-top:17px}.playback button{font-size:.85rem}.playback output{font-size:.78rem;font-variant-numeric:tabular-nums;color:var(--muted);margin-left:auto}.progress-track{height:5px;background:#ced8e7;margin-top:20px;border-radius:5px;overflow:hidden}#progress-bar{display:block;height:100%;background:var(--blue);width:0}#frame-status{font-size:.78rem;color:var(--muted)}.flow{stroke-dasharray:8 10;animation:flow 1s linear infinite}.paused .flow{animation-play-state:paused}.fault-glow{animation:glow 1.5s ease-in-out infinite}.paused .fault-glow{animation-play-state:paused}@keyframes flow{to{stroke-dashoffset:-36}}@keyframes glow{50%{opacity:.45}}.scene-logo{display:block;max-width:90px;margin:20px auto 0}.recall{border:1px solid #b7c6dd;border-top:4px solid var(--orange);border-radius:12px;padding:22px;margin:20px 0 28px;background:#f7f9fc}.recall h3{margin:0 0 12px}.recall p{font-size:.94rem}#recall-answer{color:var(--blue);font-weight:700}.check-item{list-style:none;margin-left:-1.5em}.check-item label{display:flex;gap:10px;align-items:start;cursor:pointer}.check-item input{width:20px;height:20px;flex:none;margin-top:7px;accent-color:var(--blue)}.table-wrap{overflow:auto;margin:24px 0;border:1px solid var(--line);border-radius:12px}table{border-collapse:collapse;font-size:.9rem;width:100%;min-width:480px}th,td{padding:16px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line)}th{background:#e6edf8;color:var(--blue)}td:first-child{width:28%;font-weight:700}td:nth-child(2){width:22%}tbody tr:last-child td{border:0}.final-contact{max-width:1168px;margin:55px auto 30px;background:#eaf0f8;border-top:4px solid var(--orange);padding:35px;display:grid;grid-template-columns:1.4fr 1fr;gap:35px;border-radius:0 0 16px 16px}.final-contact h2{margin:10px 0 15px}.final-contact p{font-size:.9rem}.final-contact>div:last-child{display:flex;flex-direction:column;align-items:start;justify-content:center;gap:15px}footer{max-width:1168px;margin:auto;padding:30px 0 40px;display:flex;flex-wrap:wrap;gap:15px 30px;font-size:.78rem;border-top:1px solid var(--line)}footer span{margin-right:auto}#sources a{overflow-wrap:anywhere;font-size:.85rem}#faq h3{font-size:1.06rem;padding-top:15px;border-top:1px solid var(--line)}#faq h3:first-of-type{border:0}body.no-js .interactive:has(#decision){display:block}
@media(max-width:1200px){.safety-banner,.contents,.reading-layout,.final-contact,footer{margin-left:30px;margin-right:30px}.reading-layout{gap:35px;grid-template-columns:minmax(0,1fr) 235px}.hero{gap:25px}.interactive{padding:22px}}
@media(max-width:900px){.reading-layout{display:block;max-width:800px;margin-left:auto;margin-right:auto;padding:0 28px}.side-contact{position:static;display:none}.hero{grid-template-columns:1fr 1fr;gap:25px;padding:30px}.hero h1{font-size:2.2rem}.hero-figure{padding:10px}.site-top{padding:16px 28px}.site-top nav{gap:16px}.final-contact{grid-template-columns:1fr}.final-contact>div:last-child{flex-direction:row;flex-wrap:wrap;align-items:center}}
@media(max-width:620px){:root{font-size:16px;line-height:1.85}.site-top{padding:15px 20px;gap:10px}.brand{font-size:1.1rem;gap:8px}.brand img{width:42px;height:42px}.brand small{font-size:.65rem;letter-spacing:.03em}.site-top nav{gap:10px;font-size:.8rem}.site-top nav a:not(:first-child){display:none}.hero{display:block;padding:24px 22px 30px}.hero h1{font-size:2.1rem;line-height:1.4;max-width:none}.breadcrumb{font-size:.72rem;margin-bottom:18px}.lead{font-size:1.02rem;margin:20px 0}.hero-actions{gap:14px;align-items:center}.hero-actions .primary{font-size:.9rem;padding:12px 15px}.byline{margin-top:18px;font-size:.72rem}.hero-figure{margin-top:28px;padding:16px}.hero-figure figcaption strong{font-size:1.2rem}.safety-banner,.contents,.final-contact,footer{margin-left:22px;margin-right:22px}.safety-banner{padding:18px}.contents{gap:7px 18px;margin-top:20px;padding-bottom:20px}.contents a{font-size:.84rem}.reading-layout{padding:0 22px}.article-section{padding:34px 0 28px}.section-heading{gap:12px;margin-bottom:18px}.section-heading h2{font-size:1.47rem}.interactive{margin:20px 0;padding:18px 15px}.tool-top{gap:8px}.tool-top .eyebrow{font-size:.75rem}.meters{gap:9px}.meter{padding:12px}.meter strong{font-size:1.3rem}.meter span{font-size:.73rem}.range-field>div{gap:12px;grid-template-columns:minmax(0,1fr) 88px}.range-field input[type="number"]{padding:6px 8px}.range-field label{font-size:.84rem}.layer-buttons{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.layer-buttons button{font-size:.85rem}.layer-view svg{min-height:160px}.animation-scene{min-height:155px}.subtitles{font-size:.97rem;padding:14px 8px;min-height:140px}.playback{gap:7px}.playback button{padding:9px 11px;font-size:.83rem}.playback output{flex-basis:100%;text-align:right}.result-card{padding:15px}.final-contact{padding:24px;margin-top:35px;gap:22px}.final-contact h2{font-size:1.5rem}footer{padding-top:24px;gap:12px 22px}footer span{flex-basis:100%}table{min-width:470px}.table-wrap{max-width:100%}}
.path-choices svg{width:100%;height:auto;margin:10px 0;background:#eaf0f7;min-height:0}.layer-view [role="button"]:focus{outline:3px solid var(--blue);outline-offset:5px}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
@media print{.site-top nav,.hero-actions,.contents,.side-contact,.final-contact,.playback,.layer-buttons,footer,.skip{display:none}.reading-layout{display:block;margin:0;padding:0}.article-section{break-inside:avoid}.interactive{break-inside:avoid}.hero{display:block;padding:15px 0}.hero-figure{display:none}a{color:#000}.safety-banner{margin:20px 0}body{font-size:11pt}.check-item{break-inside:avoid}}

h1{text-wrap:balance}.hero-alert{font-size:.85rem;color:var(--danger);font-weight:700;margin:0 0 20px}