:root{--bg: #f5f7fa;--card: #ffffff;--text: #1f2933;--muted: #7b8794;--line: #e4e7eb;--accent: #2c6fbb;--radius: 10px;--shadow: 0 1px 3px rgba(16, 24, 40, .06), 0 1px 2px rgba(16, 24, 40, .04)}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;font-size:15px;line-height:1.7}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.app{min-height:100vh;display:flex;flex-direction:column}.header{background:var(--card);border-bottom:1px solid var(--line);padding:14px 24px;display:flex;align-items:baseline;gap:12px;position:sticky;top:0;z-index:10}.brand{font-size:18px;font-weight:700;color:var(--text)}.brand-sub{color:var(--muted);font-size:13px}.main{flex:1;width:100%;max-width:1180px;margin:0 auto;padding:20px 24px 48px;display:flex;flex-direction:column;gap:18px}.footer{padding:20px 24px;text-align:center;color:var(--muted);font-size:13px;border-top:1px solid var(--line)}.card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px 22px}.card h2{font-size:17px;margin:0 0 12px}.chart-card{padding:12px}.hero-title{font-size:24px;margin:0 0 6px}.hero-sub{color:var(--muted);margin:0}.page-title{font-size:26px;margin:6px 0}.back-link{font-size:13px;color:var(--muted)}.muted{color:var(--muted);font-size:13px}.empty{color:var(--muted);padding:12px 0}.prose{white-space:pre-wrap;color:#3e4c59}.chart-hint{margin:8px 10px 4px}.subject-grid{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:12px}.subject-card{display:flex;flex-direction:column;gap:2px;padding:12px 14px;border:1px solid var(--line);border-top:3px solid var(--accent);border-radius:var(--radius);color:var(--text);transition:box-shadow .15s}.subject-card:hover{box-shadow:var(--shadow);text-decoration:none}.subject-name{font-size:17px;font-weight:700}.subject-stat{font-size:13px;color:var(--muted)}.search-row{display:flex;gap:8px;margin-bottom:12px}.search-input{flex:1;padding:10px 12px;border:1px solid var(--line);border-radius:8px;font-size:15px;font-family:inherit}.search-input:focus{outline:2px solid rgba(44,111,187,.25);border-color:var(--accent)}.button{padding:10px 20px;border:none;border-radius:8px;background:var(--accent);color:#fff;font-size:15px;font-family:inherit;cursor:pointer}.button-ghost{background:transparent;color:var(--muted);padding:4px 10px}.major-list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:8px}.major-item{display:flex;flex-direction:column;padding:10px 12px;border:1px solid var(--line);border-radius:8px;color:var(--text)}.major-item:hover{box-shadow:var(--shadow);text-decoration:none}.major-meta{font-size:12px;color:var(--muted)}.table{width:100%;border-collapse:collapse;font-size:14px}.table th,.table td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--line);vertical-align:top}.table th{color:var(--muted);font-weight:600;font-size:13px;white-space:nowrap}.col-center{text-align:center}.row-clickable{cursor:pointer}.row-clickable:hover{background:#f8fafc}.row-open{background:#f1f6fb}.detail-cell{background:#f8fafc}.caret{display:inline-block;width:16px;color:var(--muted)}.prereq-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:6px}.prereq-item{display:flex;align-items:baseline;flex-wrap:wrap;gap:8px;font-size:13px}.subject-dot{width:8px;height:8px;border-radius:50%;flex:none;align-self:center}.prereq-where{color:var(--muted);white-space:nowrap}.prereq-name{font-weight:600}.prereq-evidence{color:var(--muted);flex-basis:100%;padding-left:16px}.tag{display:inline-block;padding:1px 7px;border-radius:4px;font-size:12px;line-height:18px;margin-right:4px;white-space:nowrap}.tag-strong{background:#fee2e2;color:#b91c1c}.tag-medium{background:#fef3c7;color:#92400e}.tag-weak{background:#e5e7eb;color:#4b5563}.tag-rule{background:#eef2ff;color:#4338ca}.tag-ok{background:#dcfce7;color:#15803d}.tag-todo{background:#fef3c7;color:#92400e}.tag-top{background:#fee2e2;color:#b91c1c}.tag-good{background:#dbeafe;color:#1d4ed8}.tag-double{background:#ede9fe;color:#6d28d9}.tag-other{background:#f3f4f6;color:#6b7280}.bars{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}.bar-row{display:grid;grid-template-columns:76px 1fr 48px auto;align-items:center;gap:10px}.bar-label{font-weight:600;font-size:14px}.bar-track{display:block;height:16px;background:#eef1f4;border-radius:8px;overflow:hidden}.bar-fill{display:block;height:100%;border-radius:8px;transition:width .3s}.bar-value{text-align:right;font-variant-numeric:tabular-nums}.bar-note{color:var(--muted);font-size:12px;white-space:nowrap}.stat-row{list-style:none;margin:14px 0 0;padding:0;display:flex;flex-wrap:wrap;gap:22px}.stat{display:flex;flex-direction:column}.stat-label{color:var(--muted);font-size:12px}.stat-value{font-size:17px;font-weight:700}.progress{display:inline-block;position:relative;width:90px;height:16px;background:#eef1f4;border-radius:8px;overflow:hidden}.progress-fill{display:block;height:100%;background:#34a853}.progress-text{position:absolute;inset:0;font-size:11px;line-height:16px;text-align:center;color:#1f2933}.toolbar,.filter-row{display:flex;align-items:center;gap:6px;flex-wrap:wrap;margin-top:10px}.toolbar-label{color:var(--muted);font-size:13px}.chip{padding:4px 12px;border:1px solid var(--line);border-radius:999px;background:#fff;font-size:13px;font-family:inherit;color:var(--text);cursor:pointer}.chip-active{background:var(--accent);border-color:var(--accent);color:#fff}.panel-head{display:flex;align-items:center;justify-content:space-between}.neighbor-group{margin-top:10px}.neighbor-group h3{font-size:14px;margin:0 0 4px;color:var(--muted)}.neighbor-list{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:6px}.neighbor-list li{background:#f1f5f9;border-radius:6px;padding:3px 10px;font-size:13px}.state-box{background:var(--card);border-radius:var(--radius);padding:30px;text-align:center;color:var(--muted)}.state-error{color:#b91c1c;background:#fef2f2}@media(max-width:720px){.main{padding:12px 12px 32px}.card{padding:14px}.hero-title{font-size:20px}.bar-row{grid-template-columns:56px 1fr 44px}.bar-note{display:none}.table th,.table td{padding:6px;font-size:13px}}.career-link-row{margin:14px 0 0}.job-list{display:grid;gap:14px}.job-block{border:1px solid var(--line);border-radius:var(--radius);padding:12px 14px;background:#fbfcfe}.job-head{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.job-name{font-size:16px;font-weight:600}.job-meta{color:var(--muted);font-size:13px}.job-counts{margin-left:auto;display:inline-flex;gap:6px}.job-evidence{color:var(--muted);font-size:13px;margin:8px 0 0;word-break:break-all}.org-chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}.org-chip{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line);border-radius:999px;background:var(--card);padding:2px 10px;font-size:13px}.org-chip-place{color:var(--muted);font-size:12px}.org-chip-post{color:var(--muted);font-size:12px;max-width:190px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.org-chip-count{color:var(--accent);font-size:11px}.job-more{color:var(--muted);font-size:13px;margin:10px 0 0}.kind{display:inline-block;padding:1px 6px;border-radius:4px;font-size:11px;line-height:16px;white-space:nowrap}.kind-campus{background:#dbeafe;color:#1d4ed8}.kind-intern{background:#dcfce7;color:#15803d}.kind-social{background:#f3f4f6;color:#6b7280}.job-in-org{display:inline-flex;align-items:center;gap:4px;margin-right:8px}.link-button{border:none;background:none;padding:0;color:var(--accent);font:inherit;font-size:13px;cursor:pointer}.link-button:hover{text-decoration:underline}.org-chip-link,.job-in-org-link{color:var(--text)}.org-chip-link:hover,.job-in-org-link:hover{border-color:var(--accent);text-decoration:none}.org-chip-arrow{color:var(--accent);font-size:11px}.job-in-org-link:hover{color:var(--accent)}.job-chips{display:flex;flex-wrap:wrap;align-items:center;gap:6px 10px}.job-in-org-toggle{border:none;background:none;padding:0;font:inherit;color:var(--text);cursor:pointer}.job-in-org-toggle:hover{color:var(--accent)}.post-list{list-style:none;margin:6px 0 0;padding:0 0 0 2px;display:grid;gap:4px}.post-link{display:inline-flex;align-items:center;gap:6px;max-width:100%;color:var(--text);font-size:13px}.post-link:hover{color:var(--accent);text-decoration:none}.post-title{max-width:300px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.post-platform{color:var(--muted);font-size:11px}