:root{font-family:ui-rounded,"SF Pro Rounded","PingFang SC","Microsoft YaHei",system-ui,sans-serif;color:#172442;background:#f5f8ff;font-size:16px;line-height:1.65;--blue:#155eef;--ink:#172442;--muted:#5b6982;--line:#dce4f2;--green:#087b56;--orange:#a95600;--radius:22px}
*{box-sizing:border-box}body{margin:0}button,input,textarea,select{font:inherit}button,a,input,select,textarea{ -webkit-tap-highlight-color:transparent}button{cursor:pointer}a{color:var(--blue);text-decoration:none}a:hover{text-decoration:underline}button:disabled{opacity:.55;cursor:wait}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid #ffb830;outline-offset:4px}button{border:0}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(1.9rem,3vw,2.8rem);line-height:1.25;letter-spacing:-.04em;margin-bottom:16px}h2{font-size:1.4rem;letter-spacing:-.02em}h3{font-size:1.12rem}small,.meta{font-size:.875rem;color:var(--muted)}.muted{color:var(--muted)}.topbar{max-width:1400px;margin:auto;min-height:100px;padding:20px 48px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{color:var(--ink);display:flex;align-items:center;font-weight:850;font-size:1.25rem;gap:12px;line-height:1.35}.brand:hover{text-decoration:none}.brand small{display:block;letter-spacing:.14em;font-size:.7rem;margin-top:4px;font-weight:600}.brand-mark{width:46px;height:46px;background:var(--blue);color:white;display:grid;place-items:center;border-radius:16px;transform:rotate(-6deg);font-size:2rem}.topbar nav{display:flex;gap:8px}.topbar nav a{padding:10px 18px;color:var(--muted);font-weight:650;border-radius:99px}.topbar nav a.active{color:var(--blue);background:#e4edff}.button,button.primary{background:var(--blue);color:white;padding:12px 22px;border-radius:13px;display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;line-height:1.5}.button:hover,button.primary:hover{background:#124dca;text-decoration:none}.button.secondary,button.secondary{background:white;border:1px solid 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var(--line);background:white;border-radius:var(--radius);padding:28px}.hall-layout{display:grid;grid-template-columns:minmax(0,1fr) 285px;gap:28px}.filter-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:22px}.filter{border:1px solid var(--line);background:white;border-radius:99px;padding:8px 16px;color:var(--muted)}.filter.active{border-color:var(--ink);background:var(--ink);color:white}.search{margin-left:auto;max-width:220px;width:100%}.search input{padding:9px 13px;width:100%;border:1px solid var(--line);border-radius:12px;background:white}.cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}.project-card{background:white;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:transform .15s,box-shadow .15s}.project-card:hover{transform:translateY(-3px);box-shadow:0 10px 24px #233d7110}.card-art{height:155px;display:flex;align-items:center;justify-content:center;position:relative;background:#e1ebff;color:#155eef;font-size:4rem;overflow:hidden}.card-art.theme-1{background:#d8f5ee;color:#05745e}.card-art.theme-2{background:#fff0d3;color:#925c00}.card-art.theme-3{background:#ece7ff;color:#6941c6}.card-art .tag{position:absolute;left:16px;top:14px;background:#ffffffea;font-size:.75rem}.card-body{padding:20px}.card-body h3{margin:0 0 7px}.card-body h3 a{color:var(--ink)}.card-summary{color:var(--muted);font-size:.92rem;min-height:3em;margin-bottom:18px;overflow-wrap:anywhere}.card-bottom{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:.85rem}.avatar{width:31px;height:31px;background:#e9eefb;color:#415b90;display:inline-grid;place-items:center;border-radius:11px;font-weight:750}.author{display:flex;gap:8px;align-items:center;color:var(--muted)}.side-card{margin-bottom:22px}.side-card h3{margin-bottom:12px}.side-card p{font-size:.9rem;color:var(--muted)}.journey-list{padding:0;list-style:none;display:grid;gap:18px}.journey-list li{display:flex;gap:12px;align-items:flex-start}.step-num{display:inline-grid;place-items:center;width:28px;height:28px;border-radius:9px;background:#e7efff;color:var(--blue);font-weight:800;flex-shrink:0}.journey-list strong{font-size:.92rem;display:block}.journey-list small{display:block;line-height:1.5}.empty{padding:48px 24px;border:2px dashed #cfdbef;border-radius:var(--radius);text-align:center;background:#ffffff90;grid-column:1/-1}.empty .empty-icon{font-size:3rem;display:block;margin-bottom:12px}.empty p{color:var(--muted);max-width:430px;margin:0 auto 22px}.notice{padding:15px 18px;border-radius:14px;background:#eaf1ff;color:#294977;font-size:.9rem;border:1px solid #cedeff}.notice.warning{background:#fff5df;border-color:#f5deb0;color:#7e5300}.notice.success{background:#e7f8ef;border-color:#b7e7ce;color:#166746}.row{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.between{justify-content:space-between}.stack{display:grid;gap:20px}.page-heading{margin:25px 0 28px}.tabs{display:flex;gap:8px;border-bottom:1px solid var(--line);margin:24px 0;overflow-x:auto}.tab{white-space:nowrap;padding:12px 20px;background:none;color:var(--muted);border-bottom:3px solid transparent;font-weight:650}.tab.active{color:var(--blue);border-color:var(--blue)}.detail-layout{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:26px}.workbench{display:grid;grid-template-columns:1fr;gap:20px}.preview-frame{width:100%;height:540px;max-height:75vh;border:1px solid var(--line);border-radius:16px;background:white}.preview-placeholder{min-height:330px;display:flex;flex-direction:column;align-items:center;justify-content:center;background:#edf3ff;border:1px solid var(--line);border-radius:18px;padding:30px;text-align:center}.preview-placeholder .large{font-size:3rem}.preview-toolbar{margin-bottom:14px}.form-grid{display:grid;gap:18px}label{display:grid;gap:7px;font-size:.95rem;font-weight:650}label small{font-weight:400}.form-grid input:not([type=checkbox]),.form-grid textarea,.form-grid select,select.control{border:1px solid #cbd6e7;border-radius:11px;padding:11px 13px;width:100%;background:white;color:var(--ink)}textarea{resize:vertical;min-height:100px}.check{display:flex;align-items:flex-start;gap:10px;font-weight:450}.check input{width:19px;height:19px;margin-top:4px;flex-shrink:0}.upload-zone{background:#f5f8ff;border:2px dashed #c7d6f0;border-radius:16px;padding:24px}.upload-zone input{border:0!important;background:transparent!important;padding:0!important}.help-box{border-left:3px solid #91b4ff;padding-left:16px;margin-top:20px}.help-box summary{font-weight:650;cursor:pointer;color:#34598d}.help-box p{font-size:.9rem;color:var(--muted);margin-top:12px}pre{background:#172442;color:#e5edff;border-radius:12px;padding:18px;overflow:auto;font-size:.86rem;line-height:1.8;white-space:pre-wrap;overflow-wrap:anywhere}code{font-family:"SFMono-Regular",Consolas,monospace;font-size:.86em}.timeline{list-style:none;padding:0;margin:0}.timeline li{position:relative;border-left:2px solid #d7e3f8;margin-left:8px;padding:0 0 25px 25px}.timeline li:before{content:"";position:absolute;width:12px;height:12px;border-radius:50%;background:white;border:3px solid var(--blue);left:-7px;top:6px}.timeline h3{margin-bottom:5px}.timeline .row{margin-top:10px}.diff{white-space:pre;max-height:470px;overflow:auto}.text-link{background:none;color:var(--blue);padding:0;font-weight:650;text-align:left}.issue{padding:18px 0;border-bottom:1px solid var(--line)}.issue:last-child{border-bottom:0}.issue p{white-space:pre-wrap;overflow-wrap:anywhere;margin:12px 0}.learning-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}.learning-card{position:relative}.learning-card h2{margin-top:18px}.learning-card ul{padding-left:20px;color:var(--muted)}.progress-dots{display:flex;gap:7px}.progress-dots i{width:26px;height:7px;background:#dce5f7;border-radius:99px}.progress-dots i.done{background:var(--blue)}.profile-banner{background:#e5edff}.profile-banner .avatar{width:70px;height:70px;font-size:1.8rem;background:white}.profile-banner h1{margin:0;font-size:2rem}.stat{font-size:1.5rem;font-weight:800}.profile-stats{display:flex;gap:32px;margin-top:20px}.profile-stats span{display:block}.loading{text-align:center;padding:90px 20px;color:var(--muted)}footer{padding:26px 48px;max-width:1400px;margin:auto;display:flex;gap:24px;justify-content:space-between;border-top:1px solid var(--line);color:var(--muted);font-size:.8rem}dialog{border:1px solid var(--line);border-radius:24px;padding:34px;width:min(610px,calc(100vw - 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@media(max-width:440px){.cards,.hall-layout>aside{grid-template-columns:1fr}.card-art{height:155px}.intro-actions{width:100%}.intro-actions .button{width:100%}.tabs{gap:0}.tab{padding:10px 12px;font-size:.9rem}.form-actions{flex-direction:column}.profile-stats{gap:20px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}
.narrow{max-width:560px;margin-left:auto;margin-right:auto}.review-list{margin-top:24px}.review-list .row{margin-top:14px}.spaced-notice{margin-block:24px}.review-list h3{margin-top:12px}.moderation-note{color:#805000;font-size:.85rem}
.brand small{font-size:.78rem;letter-spacing:.06em}h1,h2,h3,p{overflow-wrap:anywhere}.row>div{min-width:0}.topbar nav{flex-wrap:wrap}