:root{--bg:#ffffff;--card:#ffffff;--card2:#dfd5f2;--ink:#26242e;--muted:#615c6e;--line:#b2abc2;--line-soft:#d5cfdf;--accent:#554d8f;--accent-soft:#d2cde4;--ink2:#8a6b38;--ok:#4c8a68;--warn:#a8771c;--bad:#b03a2e;--gold:#8a6d1d;--font-body:"Noto Sans SC",system-ui,-apple-system,sans-serif;--font-serif:"ZCOOL XiaoWei","Noto Serif SC",serif;--font-num:"Space Grotesk","Noto Sans SC",sans-serif}*{margin:0;padding:0;box-sizing:border-box}body{font-family:var(--font-body);background:var(--bg);color:var(--ink);font-size:14.5px;line-height:1.7;transition:background .4s ease,color .4s ease}a{color:inherit}::selection{background:var(--accent);color:#fff}.login-wrap{min-height:100vh;display:grid;place-items:center;padding:20px}.login-card{width:100%;max-width:400px;background:var(--card);border:1px solid var(--line);border-top:3px solid var(--accent);padding:40px 36px}.login-card h1{font-family:var(--font-serif);font-weight:400;font-size:24px;letter-spacing:.1em;margin-bottom:6px;text-align:center}.login-card .sub{text-align:center;font-size:12px;color:var(--muted);margin-bottom:28px;font-family:var(--font-num);letter-spacing:.2em}.login-card label{display:block;font-size:12px;color:var(--muted);margin:14px 0 6px;letter-spacing:.1em}.login-card input{width:100%;padding:11px 14px;border:1px solid var(--line);background:var(--bg);color:var(--ink);font-size:14px;transition:border-color .2s ease}.login-card input:focus{outline:none;border-color:var(--accent)}.login-card .btn{width:100%;margin-top:24px}.login-card .err{color:var(--bad);font-size:12.5px;text-align:center;margin-top:12px;min-height:18px}.login-card .tip{margin-top:18px;font-size:12px;color:var(--muted);text-align:center}.login-card .tabs{display:flex;gap:6px;margin-bottom:20px;border-bottom:1px solid var(--line-soft)}.login-card .tabs button{flex:1;padding:10px 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(max-width:980px){.edit-grid{grid-template-columns:1fr}}.md-toolbar{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:10px;padding:8px;border:1px solid var(--line);background:var(--bg)}.tb-btn{padding:6px 12px;font-size:12.5px;border:1px solid var(--line);background:var(--card);color:var(--ink);cursor:pointer;transition:all .2s ease;letter-spacing:.03em}.tb-btn:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-1px)}.tb-tip{font-size:11.5px;color:var(--muted);margin-left:auto}.preview-box{border:1px solid var(--line);padding:18px 22px;background:var(--bg);min-height:300px;line-height:2;font-size:14.5px}.preview-box h2{font-family:var(--font-serif);font-weight:400;font-size:20px;margin:16px 0 8px;border-left:3px solid var(--accent);padding-left:10px}.preview-box h3{font-family:var(--font-serif);font-weight:400;font-size:16px;margin:12px 0 6px}.preview-box p{margin-bottom:10px}.preview-box blockquote{border-left:3px solid var(--accent);background:var(--accent-soft);padding:8px 14px;margin:10px 0;color:var(--muted)}.preview-box ul,.preview-box ol{padding-left:1.5em;margin-bottom:10px}.preview-box code{background:var(--line-soft);padding:2px 6px;font-size:.9em}.preview-box pre{background:#171310;color:#efe7d4;padding:14px;overflow-x:auto;margin:10px 0;font-size:12.5px}.preview-box pre code{background:none;color:inherit;padding:0}#toast{position:fixed;top:20px;left:50%;transform:translate(-50%) translateY(-70px);background:var(--ink);color:var(--bg);padding:10px 24px;font-size:13.5px;z-index:500;transition:transform .4s cubic-bezier(.2,1.3,.4,1);letter-spacing:.05em;max-width:86vw;text-align:center}#toast.show{transform:translate(-50%) translateY(0)}.profile-layout{display:grid;grid-template-columns:280px 1fr;gap:20px;align-items:start}@media 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var(--line-soft);font-weight:500}.meta-item:last-child{border-bottom:none}.meta-item span{font-size:11px;color:var(--line);letter-spacing:.1em;text-transform:uppercase;font-weight:400}.profile-actions{display:flex;gap:8px;justify-content:center}.avatar-overlay{position:absolute;top:0;right:0;bottom:0;left:0;background:#00000080;color:#fff;font-size:12px;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .2s}.profile-avatar:hover .avatar-overlay{opacity:1}.empty-row{text-align:center;color:var(--muted);padding:36px 0;font-size:13.5px}.confirm-bar{position:sticky;bottom:0;background:var(--card);border:1px solid var(--line);padding:14px 20px;display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:20px;flex-wrap:wrap}.confirm-bar .info{font-size:12.5px;color:var(--muted)}.chart-panel-h{flex-wrap:wrap;gap:12px}.chart-tabs{display:flex;gap:0;border:1px solid var(--line-soft)}.chart-tab{padding:5px 16px;font-size:12.5px;border:none;background:var(--card);color:var(--muted);cursor:pointer;letter-spacing:.08em;font-family:var(--font-body);transition:all .2s}.chart-tab:hover{color:var(--accent);background:var(--accent-soft)}.chart-tab.on{background:var(--ink);color:var(--bg);border-color:var(--ink)}.chart-summary{display:flex;gap:32px;margin-bottom:12px;padding:12px 16px;background:var(--bg);border:1px solid var(--line-soft);flex-wrap:wrap}.chart-summary-item{display:flex;flex-direction:column;gap:2px}.cs-label{font-size:11px;color:var(--muted);letter-spacing:.12em;text-transform:uppercase;font-family:var(--font-num)}.cs-value{font-family:var(--font-num);font-size:20px;font-weight:500;color:var(--ink)}.cs-value small{font-size:12px;color:var(--muted);font-weight:400;margin-left:4px;font-family:var(--font-body)}.chart-canvas{width:100%;height:320px}.chart-header-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap}.range-toggle{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;color:var(--muted);cursor:pointer;letter-spacing:.06em;-webkit-user-select:none;user-select:none;padding:4px 10px;border:1px solid var(--line-soft);transition:all .2s}.range-toggle:hover{color:var(--accent);border-color:var(--accent)}.range-toggle .toggle-dot{width:8px;height:8px;border-radius:50%;background:var(--line);transition:background .2s}.range-toggle.on{color:var(--accent);border-color:var(--accent);background:var(--accent-soft)}.range-toggle.on .toggle-dot{background:var(--accent)}.range-bar{display:flex;align-items:center;gap:12px;margin-bottom:14px;padding:12px 14px;background:var(--bg);border:1px solid var(--line-soft);flex-wrap:wrap;font-size:13px}.range-inputs{display:flex;align-items:center;gap:8px}.range-input{padding:6px 10px;border:1px solid var(--line);background:var(--card);color:var(--ink);font-size:13px;font-family:var(--font-body);outline:none;transition:border-color .2s}.range-input:focus{border-color:var(--accent)}.range-input.year-input{width:90px;text-align:center;font-family:var(--font-num)}.range-sep{color:var(--muted);font-size:14px}.range-actions{display:flex;gap:6px}.range-btn{padding:5px 14px;font-size:12px}.range-hint{font-size:12px;color:var(--muted);margin-left:auto;font-family:var(--font-num);letter-spacing:.04em}@media (max-width:680px){.range-hint{margin-left:0;width:100%}}