:root{--text:#6b6375;--text-h:#08060d;--bg:#fff;--border:#e5e4e7;--code-bg:#f4f3ec;--accent:#aa3bff;--accent-bg:#aa3bff1a;--accent-border:#aa3bff80;--social-bg:#f4f3ec80;--shadow:#0000001a 0 10px 15px -3px, #0000000d 0 4px 6px -2px;--sans:system-ui, "Segoe UI", Roboto, sans-serif;--heading:system-ui, "Segoe UI", Roboto, sans-serif;--mono:ui-monospace, Consolas, monospace;font:18px/145% var(--sans);letter-spacing:.18px;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;color:var(--text);background:var(--bg);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial}}@media (width<=1024px){:root{font-size:16px}}@media (prefers-color-scheme:dark){:root{--text:#9ca3af;--text-h:#f3f4f6;--bg:#16171d;--border:#2e303a;--code-bg:#1f2028;--accent:#c084fc;--accent-bg:#c084fc26;--accent-border:#c084fc80;--social-bg:#2f303a80;--shadow:#0006 0 10px 15px -3px, #00000040 0 4px 6px -2px}#social .button-icon{filter:invert()brightness(2)}}#root{box-sizing:border-box;flex-direction:column;width:100%;min-height:100svh;display:flex}body{margin:0}h1,h2{font-family:var(--heading);color:var(--text-h);font-weight:500}h1{letter-spacing:-1.68px;margin:32px 0;font-size:56px}@media (width<=1024px){h1{margin:20px 0;font-size:36px}}h2{letter-spacing:-.24px;margin:0 0 8px;font-size:24px;line-height:118%}@media (width<=1024px){h2{font-size:20px}}p{margin:0}code,.counter{font-family:var(--mono);color:var(--text-h);border-radius:4px;display:inline-flex}code{background:var(--code-bg);padding:4px 8px;font-size:15px;line-height:135%}.auth-screen{background:radial-gradient(circle at 20% 0%, var(--accent-bg), transparent 55%), 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14px;font-size:14px;font-weight:600;transition:background .15s,border-color .15s}.btn-ghost:hover{background:var(--accent-bg);border-color:var(--accent-border)}.page-body{flex:1;place-items:center;padding:24px;display:grid}.page-card{box-sizing:border-box;background:var(--bg);border:1px solid var(--border);width:100%;max-width:520px;box-shadow:var(--shadow);text-align:center;border-radius:20px;padding:44px 40px}.role-badge{letter-spacing:.3px;color:var(--accent);background:var(--accent-bg);border:1px solid var(--accent-border);border-radius:999px;margin-bottom:18px;padding:5px 14px;font-size:13px;font-weight:600;display:inline-block}.page-card h1{letter-spacing:-.8px;margin:0 0 10px;font-size:32px}.page-card p{font-size:16px}.content-card{box-sizing:border-box;background:var(--bg);border:1px solid var(--border);width:100%;max-width:720px;box-shadow:var(--shadow);text-align:left;border-radius:20px;padding:32px 36px}.content-card h2{margin:0 0 20px}.list{flex-direction:column;gap:10px;margin:0;padding:0;list-style:none;display:flex}.list-item{box-sizing:border-box;width:100%;font:inherit;text-align:left;color:var(--text-h);background:var(--social-bg);border:1px solid var(--border);cursor:pointer;border-radius:12px;justify-content:space-between;align-items:center;gap:12px;padding:16px 18px;transition:background .15s,border-color .15s,transform 50ms;display:flex}.list-item:hover{background:var(--accent-bg);border-color:var(--accent-border)}.list-item:active{transform:translateY(1px)}.list-item .item-title{font-size:16px;font-weight:600}.list-item .item-video{color:var(--text);font-size:13px}.list-item .chevron{color:var(--accent);font-size:18px}.detail-header{align-items:center;gap:14px;margin-bottom:22px;display:flex}.detail-row{border-top:1px solid var(--border);flex-direction:column;gap:4px;padding:14px 0;display:flex}.detail-row .label{color:var(--text);letter-spacing:.2px;font-size:13px;font-weight:600}.detail-row 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var(--border);background:var(--social-bg);cursor:pointer;border-radius:14px;padding:0;transition:border-color .15s,transform 50ms;display:block;overflow:hidden}.video-card:hover{border-color:var(--accent-border)}.video-card:active{transform:translateY(1px)}.video-thumb{aspect-ratio:16/9;object-fit:cover;background:var(--code-bg);width:100%;display:block}.video-meta{padding:12px 14px}.video-name{color:var(--text-h);word-break:break-all;margin-bottom:8px;font-size:14px;font-weight:600}.video-sub{color:var(--text);justify-content:space-between;gap:10px;font-size:12px;display:flex}.video-card.static{cursor:default}.video-card.static:hover{border-color:var(--border)}.video-card.static:active{transform:none}.job-date{color:var(--text);margin-bottom:8px;font-size:12px}.job-carinfo{color:var(--text-h);white-space:pre-line;font-size:13px}.modal-overlay{z-index:100;background:#00000080;place-items:center;padding:24px;display:grid;position:fixed;inset:0}.modal{background:var(--bg);border:1px solid var(--border);width:100%;max-width:820px;max-height:85vh;box-shadow:var(--shadow);border-radius:18px;flex-direction:column;display:flex;overflow:hidden}.modal-header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;gap:14px;padding:16px 22px;display:flex}.modal-header h2{word-break:break-all;margin:0;font-size:17px}.modal-close{width:32px;height:32px;color:var(--text-h);border:1px solid var(--border);cursor:pointer;background:0 0;border-radius:8px;flex-shrink:0;font-size:18px;line-height:1}.modal-close:hover{background:var(--accent-bg);border-color:var(--accent-border)}.modal-body{padding:8px 22px 24px;overflow-y:auto}.markdown{text-align:left;color:var(--text-h);font-size:14px;line-height:1.6}.markdown h1{margin:20px 0 12px;font-size:22px}.markdown h2{margin:22px 0 10px;font-size:18px}.markdown h3{margin:16px 0 8px;font-size:15px}.markdown table{border-collapse:collapse;width:100%;margin:12px 0;font-size:13px}.markdown th,.markdown td{border:1px solid var(--border);text-align:left;vertical-align:top;padding:8px 10px}.markdown th{background:var(--social-bg);font-weight:600}.markdown hr{border:none;border-top:1px solid var(--border);margin:18px 0}.markdown ul,.markdown ol{padding-left:22px}.markdown code{font-size:13px}.md-editor{grid-template-columns:1fr 1fr;gap:16px;display:grid}@media (width<=720px){.md-editor{grid-template-columns:1fr}}.md-editor textarea{box-sizing:border-box;width:100%;min-height:420px;font-family:var(--mono);color:var(--text-h);background:var(--bg);border:1px solid var(--border);resize:vertical;border-radius:10px;outline:none;padding:12px 14px;font-size:13px;line-height:1.6}.md-editor textarea:focus{border-color:var(--accent-border);box-shadow:0 0 0 3px var(--accent-bg)}.md-preview{border:1px solid var(--border);border-radius:10px;min-height:420px;max-height:60vh;padding:0 14px;overflow-y:auto}.report-frame{border:1px solid var(--border);background:#fff;border-radius:10px;width:100%;height:70vh}.md-editor .report-frame{height:auto;min-height:420px}.video-detail-header{align-items:center;gap:14px;margin-bottom:18px;display:flex}.video-detail-header h2{word-break:break-all;margin:0;font-size:18px}.video-player{aspect-ratio:16/9;background:#000;border-radius:14px;width:100%;display:block}.video-duration{color:var(--text-h);margin-top:16px;font-size:15px}.video-duration .label{color:var(--text);margin-right:8px}