:root{color:#17201c;background:#eef3ef;font-family:Inter,Noto Sans TC,Microsoft JhengHei,PingFang TC,system-ui,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased}*{box-sizing:border-box}body{margin:0;min-width:320px}button,a{font:inherit}button{cursor:pointer}.pageShell{min-height:100svh;padding:24px}.topbar{width:min(1480px,100%);margin:0 auto 18px;display:flex;justify-content:space-between;align-items:flex-end;gap:20px}.kicker{display:inline-flex;color:#00846a;font-size:.86rem;font-weight:850;letter-spacing:0}h1,h2,h3,p{margin:0}.topbar h1{margin-top:6px;font-size:clamp(1.9rem,4vw,3.8rem);line-height:1.05;letter-spacing:0}.passwordLink,.stageControls button,.iconButton{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:8px;border:1px solid rgba(23,32,28,.12);background:#17201c;color:#fff;text-decoration:none;transition:transform .16s ease,background-color .16s ease,border-color .16s ease}.passwordLink{min-height:44px;padding:0 16px;white-space:nowrap}.passwordLink:hover,.stageControls button:hover,.iconButton:hover,.stepItem:hover,.thumb:hover{transform:translateY(-2px)}.viewer{width:min(1480px,100%);margin:0 auto;display:grid;grid-template-columns:292px minmax(0,1fr) 250px;gap:18px;align-items:start}.stepPanel,.stage,.detailPanel,.thumbStrip{background:#ffffffe0;border:1px solid rgba(23,32,28,.08);box-shadow:0 18px 60px #1d2c2414}.stepPanel{position:sticky;top:18px;max-height:calc(100svh - 36px);overflow:auto;padding:16px}.progressBox{margin-bottom:16px}.progressBox>div:first-child{display:flex;justify-content:space-between;gap:16px;margin-bottom:10px;color:#52645c}.progressBox strong{color:#17201c}.progressTrack{height:8px;overflow:hidden;border-radius:999px;background:#d9e2dc}.progressFill{height:100%;border-radius:inherit;background:linear-gradient(90deg,#00846a,#43aad4)}.steps{display:grid;gap:8px}.stepItem{width:100%;min-height:66px;display:grid;grid-template-columns:42px minmax(0,1fr);grid-template-areas:"num title" "num page";align-items:center;column-gap:10px;padding:10px;border:1px solid transparent;border-radius:8px;background:transparent;text-align:left;color:#17201c;transition:transform .16s ease,border-color .16s ease,background-color .16s ease}.stepItem.active{background:#e8f7ef;border-color:#00846a38}.stepItem span{grid-area:num;width:42px;height:42px;display:grid;place-items:center;border-radius:8px;border:1px solid rgba(0,132,106,.18);background:#fff;color:#00846a;font-weight:900}.stepItem strong{grid-area:title;min-width:0;overflow-wrap:anywhere}.stepItem small{grid-area:page;color:#52645c}.stage{min-width:0;padding:clamp(16px,2vw,24px)}.stageHeader{display:grid;grid-template-columns:minmax(0,1fr) 44px;gap:16px;align-items:start;margin-bottom:16px}.stageHeader h2{margin-top:6px;font-size:clamp(1.9rem,4vw,4rem);line-height:1.05;letter-spacing:0}.stageHeader p{margin-top:12px;max-width:820px;color:#3e4f48;font-size:clamp(1rem,1.6vw,1.2rem);line-height:1.7}.stageHeader .note{color:#006f8d;font-weight:750}.iconButton{width:44px;height:44px;padding:0}.imageFrame{min-height:56svh;display:grid;place-items:center;overflow:hidden;background:linear-gradient(45deg,rgba(23,32,28,.04) 25%,transparent 25%),linear-gradient(-45deg,rgba(23,32,28,.04) 25%,transparent 25%),#f8faf8;background-size:24px 24px;border:1px solid rgba(23,32,28,.1)}.imageFrame img{width:100%;max-height:70svh;object-fit:contain;display:block;background:#fff}.stageControls{display:flex;justify-content:space-between;gap:10px;margin-top:14px}.stageControls button{min-height:42px;padding:0 14px}.stageControls button:disabled{cursor:not-allowed;opacity:.38;transform:none}.detailPanel{position:sticky;top:18px;padding:18px}.detailPanel h2{font-size:1.2rem}.factList{display:grid;gap:10px;margin-top:14px}.fact{display:grid;grid-template-columns:24px minmax(0,1fr);gap:6px 10px;padding:12px 0;border-top:1px solid rgba(23,32,28,.08)}.fact svg{grid-row:span 2;color:#00846a}.fact span{color:#52645c;font-size:.86rem}.fact strong{overflow-wrap:anywhere}.checklist{margin-top:18px;padding-top:16px;border-top:1px solid rgba(23,32,28,.1)}.checklist h3{font-size:1rem}.checklist p{margin-top:8px;color:#3e4f48;line-height:1.65}.checklist span{display:inline-flex;align-items:center;gap:8px;margin-top:14px;color:#00846a;font-weight:800}.thumbStrip{width:min(1480px,100%);margin:18px auto 0;padding:12px;display:grid;grid-template-columns:repeat(12,minmax(72px,1fr));gap:10px;overflow-x:auto}.thumb{position:relative;min-width:72px;aspect-ratio:1.4;padding:0;overflow:hidden;border:2px solid transparent;border-radius:8px;background:#fff;transition:transform .16s ease,border-color .16s ease}.thumb.active{border-color:#00846a}.thumb img{width:100%;height:100%;object-fit:cover;display:block}.thumb span{position:absolute;left:6px;bottom:6px;min-width:28px;height:24px;display:grid;place-items:center;border-radius:6px;background:#17201cdb;color:#fff;font-size:.78rem;font-weight:900}.lightbox{position:fixed;top:0;right:0;bottom:0;left:0;z-index:20;display:grid;place-items:center;padding:22px;background:#0c120fd1}.lightboxInner{position:relative;width:min(1180px,100%);max-height:94svh;overflow:auto;background:#fff}.lightboxInner img{width:100%;display:block}.closeButton{position:sticky;top:12px;float:right;width:44px;height:44px;margin:12px;display:grid;place-items:center;border:0;border-radius:8px;background:#17201c;color:#fff}@media(max-width:1180px){.viewer{grid-template-columns:250px minmax(0,1fr)}.detailPanel{grid-column:1 / -1;position:static}.factList{grid-template-columns:repeat(3,minmax(0,1fr))}}@media(max-width:820px){.pageShell{padding:14px}.topbar{align-items:stretch;flex-direction:column}.viewer{grid-template-columns:1fr}.stepPanel{position:static;max-height:260px}.stageHeader{grid-template-columns:1fr}.iconButton{width:100%}.imageFrame{min-height:36svh}.imageFrame img{max-height:58svh}.stageControls{flex-direction:column}.factList{grid-template-columns:1fr}.thumbStrip{grid-template-columns:repeat(12,minmax(92px,1fr))}}