:root{--edu-blue-1:#eaf2ff;--edu-blue-2:#e6f4ff;--edu-blue-4:#69b1ff;--edu-blue-5:#4096ff;--edu-blue-6:#1677ff;--edu-blue-7:#0958d9;--edu-ink-1:#1a2233;--edu-ink-2:#5a6478;--edu-ink-3:#8a94a6;--edu-ink-4:#a0a8b8;--edu-ink-5:#cfd6e0;--edu-line-1:#edeff3;--edu-line-2:#e4e8ef;--edu-line-3:#f0f0f0;--edu-fill-1:#fff;--edu-fill-2:#fafafa;--edu-fill-3:#f5f7fa;--edu-fill-4:#f0f2f5;--edu-fill-5:#dce1ea;--edu-green-6:#52c41a;--edu-orange-6:#fa8c16;--edu-purple-6:#722ed1;--edu-purple-4:#b37feb;--edu-green-4:#95de64;--edu-cyan-6:#13c2c2;--edu-red-6:#ff4d4f;--edu-gold-6:#faad14;--edu-magenta-6:#eb2f96;--text-1:var(--edu-ink-1);--text-2:var(--edu-ink-2);--text-3:var(--edu-ink-3);--text-4:var(--edu-ink-4);--text-disabled:var(--edu-ink-5);--text-inverse:#fff;--bg-page:var(--edu-fill-4);--bg-body:var(--edu-fill-3);--bg-card:var(--edu-fill-1);--bg-subtle:var(--edu-fill-2);--bg-media:var(--edu-fill-4);--bg-hover:#f4f7fc;--bg-active:var(--edu-blue-1);--border-card:var(--edu-line-1);--border-control:var(--edu-line-2);--border-divider:var(--edu-line-3);--brand:var(--edu-blue-6);--brand-hover:var(--edu-blue-7);--brand-bg:var(--edu-blue-1);--brand-border:#8fb6ff;--success:var(--edu-green-6);--success-bg:#f6ffed;--success-strong:#389e0d;--purple-bg:#f9f0ff;--warning:var(--edu-orange-6);--warning-bg:#fff7e6;--danger:var(--edu-red-6);--danger-bg:#fff1f0;--danger-strong:#cf1322;--warning-strong:#b26a00;--info:var(--edu-cyan-6);--info-bg:#e6fffb;--radius-sm:8px;--radius:12px;--radius-lg:14px;--radius-pill:999px;--gap-1:4px;--gap-2:8px;--gap-3:12px;--gap-4:16px;--gap-5:20px;--gap-6:24px;--gap-8:32px;--shadow-1:0 1px 2px #141e3208;--shadow-2:0 1px 2px #00000008, 0 4px 14px #00000008;--shadow-3:0 6px 24px #00000024;--ring-1:#1677ff;--ring-2:#4b3fe4;--ring-3:#8a2be2;--ring-4:var(--info);--ring-5:#52c41a;--ring-6:#fa7a0f;--ring-7:#d9a400;--ring-8:#a94e00;--ring-1-ink:var(--brand-hover);--ring-4-ink:#08979c;--ring-6-ink:var(--warning-strong);--ring-7-ink:#8a6d00;--credit-gold:#faad14;--crown-grad:linear-gradient(135deg, #fff0d6, #ffe0a6);--crown-ink:#e8890c;--hot-badge:#ff7a45;--credit-gold-bg:#fffbe6;--hero-bg:linear-gradient(135deg, #101b2e 0%, #1b2a44 100%);--art-plate:var(--edu-blue-1);--art-fill:#fff;--art-line:var(--edu-ink-3);--art-accent:var(--brand);--shell-dark:#101b2e;--shell-dark-biz:#0b1e3a;--shell-dark-admin:#1a1440;--login-hero:#07122a;--share-bg:#141414;--login-title-grad:linear-gradient(90deg, #5cc8ff, #69f0e0);--code-bg:#1e1e1e;--code-line:#303030;--code-text:#d4d4d4;--code-bg-review:#1f1f1f;--shell-dark-hover:#ffffff1a;--shell-text:#ffffffeb;--shell-text-dim:#ffffff94;--shell-line:#ffffff24;--shell-gold:#ffd666;--logo-grad:linear-gradient(135deg, #1677ff, #36cfc9);--hero-text:#fff;--hero-text-dim:#ffffff9e;--hero-line:#ffffff24;--radius-xl:16px;--cover-g1:linear-gradient(135deg, #1e3a5f, #2e6ea6);--cover-g2:linear-gradient(135deg, #3a3a4a, #565676);--cover-g3:linear-gradient(135deg, #4a1e5f, #9b2e8a);--cover-g4:linear-gradient(135deg, #1e5f4a, #2ea678);--cover-g5:linear-gradient(135deg, #5f4a1e, #a6862e);--cover-lite-1:linear-gradient(135deg, #5b8ff9, #3b72f7);--cover-lite-2:linear-gradient(135deg, #61ddaa, #1a9e5b);--cover-lite-3:linear-gradient(135deg, #f6bd16, #e8890c);--cover-lite-4:linear-gradient(135deg, #9270ca, #722ed1);--cover-lite-5:linear-gradient(135deg, #ff9d4d, #ff6b3b);--cover-lite-6:linear-gradient(135deg, #5ad8a6, #0f9b8e);--ai-grad-to:#9254de;--asset-look-bg:#f9f0ff;--asset-loc-bg:#f0f5ff;--asset-prop-bg:#fffbe6;--reel:#7c4dff;--reel-lite:#b39dff;--reel-grad:linear-gradient(135deg, #7c4dff, #b39dff);--note:#ff6b9d;--note-lite:#ffd6e4;--note-grad:linear-gradient(135deg, #ff6b9d, #ffc7d9);--note-bg:linear-gradient(135deg, #ffd6e4, #fff0f5);--canvas-grid:#e8e8e8;--canvas-edge-struct:#d9d9d9;--canvas-edge-chain:#52c41a;--chain-edge:#722ed1;--canvas-node-scene:#722ed1;--canvas-node-shot:#e8e8e8}
*{box-sizing:border-box}html,body{margin:0;padding:0}body{background:var(--bg-page);color:var(--text-1);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Source Han Sans SC,sans-serif}a{color:inherit;text-decoration:none}.app-logo{background:linear-gradient(135deg, var(--brand), var(--edu-blue-5));color:#fff;border-radius:6px;flex:none;justify-content:center;align-items:center;width:28px;height:28px;font-size:15px;font-weight:800;display:flex}.page-title{color:var(--text-1);margin:0 0 2px;font-size:20px;font-weight:600}.page-desc{color:var(--text-3);margin:0 0 18px;font-size:13px}.sec-title{color:var(--text-1);margin:4px 2px 12px;font-size:16px;font-weight:700}.stat-ico{border-radius:10px;justify-content:center;align-items:center;width:44px;height:44px;font-size:22px;display:flex}.ico-blue{background:var(--brand-bg);color:var(--brand)}.ico-green{background:var(--success-bg);color:var(--success)}.ico-orange{background:var(--warning-bg);color:var(--warning)}.ico-purple{background:var(--purple-bg);color:var(--edu-purple-6)}.ico-cyan{background:var(--info-bg);color:var(--info)}.m-shell{background:var(--bg-body);max-width:430px;min-height:100vh;margin:0 auto;position:relative;box-shadow:0 0 40px #0000000f}.m-body{padding:12px 14px 84px}.m-tabbar{background:var(--bg-card);border-top:1px solid var(--border-card);z-index:50;width:100%;max-width:430px;height:60px;display:flex;position:fixed;bottom:0;left:50%;transform:translate(-50%)}.m-tab{color:var(--text-3);cursor:pointer;flex-direction:column;flex:1;justify-content:center;align-items:center;gap:3px;font-size:11px;display:flex}.m-tab.on{color:var(--brand)}.m-tab .i{font-size:21px;line-height:1}.m-card{background:var(--bg-card);border-radius:var(--radius-lg);padding:var(--gap-4);box-shadow:var(--shadow-2)}.m-btn{border-radius:var(--radius);background:var(--brand);height:46px;color:var(--text-inverse);cursor:pointer;border:none;justify-content:center;align-items:center;gap:6px;width:100%;font-size:15px;font-weight:600;display:flex}.m-btn:active{background:var(--brand-hover)}.m-btn.ghost{background:var(--brand-bg);color:var(--brand)}.m-btn.line{background:var(--bg-card);color:var(--brand);border:1px solid var(--brand)}.m-input{border:1px solid var(--border-control);border-radius:var(--radius);background:var(--bg-card);outline:none;width:100%;height:46px;padding:0 14px;font-size:15px}.m-input:focus{border-color:var(--brand)}.m-h1{color:var(--text-1);margin:0;font-size:20px;font-weight:700}.m-sub{color:var(--text-3);margin:2px 0 0;font-size:13px}.m-chip{border-radius:999px;align-items:center;padding:3px 10px;font-size:12px;font-weight:600;display:inline-flex}.stu-card{background:var(--bg-card);border:1px solid var(--border-card);border-radius:var(--radius);box-shadow:var(--shadow-1)}.stu-chip{border-radius:var(--radius-sm);cursor:pointer;border:1px solid var(--border-control);background:var(--bg-card);color:var(--text-2);-webkit-user-select:none;user-select:none;justify-content:center;align-items:center;gap:5px;padding:7px 15px;font-size:13px;font-weight:600;line-height:1.2;transition:border-color .15s,background .15s,color .15s;display:inline-flex}.stu-chip:hover{border-color:var(--brand-border)}.stu-chip.on{border-color:var(--brand);background:var(--brand-bg);color:var(--brand)}.stu-chip.solid.on{background:var(--brand);color:var(--text-inverse);border-color:var(--brand)}.stu-seg{flex-wrap:wrap;gap:8px;display:flex}.stu-seg .stu-chip{flex:1;min-width:0}.stu-studio{grid-template-columns:250px minmax(0,1fr) 324px;align-items:start;gap:16px;display:grid}.stu-rail{flex-direction:column;max-height:calc(100vh - 96px);display:flex;position:sticky;top:0}.stu-side{position:sticky;top:0}@media (max-width:1240px){.stu-studio{grid-template-columns:230px minmax(0,1fr)}.stu-side{grid-column:2}}@media (max-width:900px){.stu-studio{grid-template-columns:1fr}.stu-rail,.stu-side{max-height:none;position:static}.stu-side{grid-column:1}}.stu-thumb{color:#ffffffeb;border-radius:10px;justify-content:center;align-items:center;display:flex;position:relative;overflow:hidden}.stu-thumb .dur{color:#fff;background:#0000008c;border-radius:5px;padding:1px 6px;font-size:11px;font-weight:600;position:absolute;bottom:6px;right:6px}.stu-histitem{cursor:pointer;border-radius:10px;gap:10px;padding:8px;transition:background .15s;display:flex}.stu-histitem:hover{background:var(--bg-hover)}.stu-histitem.on{background:var(--bg-active)}.stu-scroll{scrollbar-width:thin;overflow-y:auto}.stu-scroll::-webkit-scrollbar{width:6px}.stu-scroll::-webkit-scrollbar-thumb{background:var(--edu-fill-5);border-radius:3px}.xhs-fill-img,.xhs-fill-img .ant-image{width:100%;height:100%;inset:0;position:absolute!important}.xhs-fill-img .ant-image img{object-fit:cover;width:100%;height:100%;display:block}@media print{.ant-layout-sider,.ant-layout-header,.ant-tabs-nav,.no-print,.ant-drawer,.ant-message{display:none!important}.ant-layout-content{padding:0!important;overflow:visible!important}body{background:#fff!important}.ant-table-wrapper,.ant-alert{break-inside:avoid}.ant-card{box-shadow:none!important;border-color:#ddd!important}}.ant-alert:not(.ant-alert-banner){border-radius:var(--radius-sm)}.todo-dot{border-radius:50%;flex:none;width:8px;height:8px}.todo-dot-warning{background:var(--warning)}.todo-dot-danger{background:var(--danger)}.todo-dot-success{background:var(--success)}