.resource-nav{display:flex;align-items:center;position:relative;gap:2px}.resource-nav>a{display:flex;align-items:center;min-height:44px;font-size:14px;font-weight:500;white-space:nowrap}.resource-nav>a:hover,.resource-nav>a[aria-expanded=true]{color:var(--blue)}.resource-nav-options{position:absolute;z-index:40;top:100%;left:-14px;width:180px;padding:7px;background:#fff;border:1px solid var(--border);border-radius:10px;box-shadow:0 10px 28px #0f172a12}.nav .resource-nav-options a{display:flex;align-items:center;gap:10px;padding:11px 12px;min-height:44px;border-radius:6px;white-space:nowrap}.nav .resource-nav-options a:hover{background:#eff6ff;color:var(--blue)}.resource-nav-options svg{width:18px;height:18px}.topic-nav .resource-nav-options{width:252px;max-height:min(420px,calc(100dvh - 100px));overflow-y:auto;overscroll-behavior:contain}.nav .topic-nav .resource-nav-options a{white-space:normal;line-height:1.5}.topic-nav .resource-nav-options a svg{flex-shrink:0}.topic-nav-message{padding:10px 12px;margin:0;color:#64748b;font-size:14px;line-height:1.6}.topic-nav-message p{margin:0 0 8px}@media(min-width:1101px){.site-header .header-inner{gap:24px}.site-header .nav{flex:0 1 auto;margin-left:0;display:grid;grid-template-columns:repeat(6,clamp(84px,7.5vw,108px));gap:8px}.site-header .header-actions{margin-left:auto}.site-header .nav>a{justify-content:center}.site-header .resource-nav{height:100%;justify-content:center;gap:4px}.site-header .resource-nav>a{height:100%;width:100%;justify-content:center;color:#5f6368}.site-header .resource-nav>a:hover,.site-header .resource-nav>a[aria-expanded=true]{color:var(--blue)}.site-header .resource-nav>a.active{color:var(--blue)}.site-header .nav>a.active:after,.site-header .resource-nav:has(>a.active):after{content:"";position:absolute;bottom:0;left:50%;right:auto;width:calc(100% - 28px);height:3px;transform:translate(-50%);border-radius:4px 4px 0 0;background:var(--blue)}.site-header .resource-nav-options{left:0}}.resource-back{display:inline-flex;align-items:center;gap:7px;color:var(--blue);margin-bottom:18px;min-height:44px}.resource-back svg{width:17px}.resources-page .page-heading{margin-bottom:24px}.resources-page .page-heading p{max-width:840px;line-height:1.8}.resource-filter-panel{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;padding:14px;background:#f8fafc;border:1px solid var(--border);border-radius:12px;margin-bottom:24px}.resource-tabs{display:flex;flex-wrap:wrap;gap:6px}.resource-tabs button{min-height:44px;padding:9px 15px;border:1px solid transparent;border-radius:8px;color:#475569;white-space:nowrap}.resource-tabs button:hover{background:#eff6ff;color:var(--blue)}.resource-tabs button.selected{color:var(--blue);background:#fff;border-color:#cbd5e1;font-weight:700}.resource-search{display:flex;align-items:center;gap:8px;flex:0 1 320px}.resource-search>svg{width:18px;color:#64748b;flex-shrink:0}.resource-search input{min-width:0;width:100%;background:#fff;border:1px solid #cbd5e1;border-radius:8px;padding:10px 12px;min-height:44px}.resource-section{margin-bottom:28px}.resource-section>h2,.resource-section-title{font-size:19px;margin:0 0 14px}.resource-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.resource-card{display:flex;align-items:flex-start;gap:16px;border:1px solid var(--border);border-radius:13px;padding:20px;background:#fff;min-width:0}.resource-card-icon{display:grid;place-items:center;flex:0 0 44px;height:44px;border:1px solid #dbeafe;border-radius:10px;background:#f8fbff;color:var(--blue)}.resource-card-icon svg{width:22px;height:22px}.resource-card-copy{display:flex;flex-direction:column;flex:1;min-width:0;align-self:stretch}.resource-card h2{font-size:18px;line-height:1.5;margin:0 0 8px;overflow-wrap:anywhere}.resource-card h2 a:hover{color:var(--blue)}.resource-card p{color:#64748b;font-size:14px;line-height:1.8;margin:0 0 18px}.resource-card-footer{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto}.resource-card-footer>span{color:#64748b;font-size:13px}.resource-card .button{min-height:44px}.resource-card .button svg{width:16px;height:16px}.resource-empty{padding:40px 20px;border:1px dashed #cbd5e1;border-radius:12px;text-align:center;color:#64748b}.resource-empty>svg{width:30px;height:30px;margin-bottom:8px}.resource-empty h2{font-size:18px;color:#334155}.resource-pagination{display:flex;align-items:center;justify-content:center;gap:16px;margin-top:24px}.resource-error,.resource-notice{padding:12px 15px;border:1px solid #fecaca;border-radius:10px;background:#fff7f7;color:#991b1b;margin:0 0 18px;overflow-wrap:anywhere}.resource-notice{border-color:#bbf7d0;background:#f0fdf4;color:#166534}.resources-admin{min-width:0}.resource-admin-heading{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:22px}.resource-admin-heading h1{margin:0 0 6px}.resource-admin-heading p{margin:0;color:#64748b}.resources-admin .resource-tabs{margin-bottom:18px}.resource-admin-search{display:grid;gap:6px;font-size:14px;max-width:420px;margin-bottom:16px}.resource-admin-search input{min-height:44px;border:1px solid #cbd5e1;border-radius:8px;padding:10px 12px}.resource-admin-list{display:grid;gap:10px}.resource-admin-list article{display:flex;align-items:center;gap:14px;border:1px solid var(--border);border-radius:12px;padding:14px 16px}.resource-admin-list article>div{min-width:0;flex:1;display:grid;gap:5px}.resource-admin-list strong{overflow-wrap:anywhere}.resource-admin-list small{color:#64748b}.resource-admin-list .button{flex-shrink:0;min-height:44px}.resource-editor{margin-top:16px}.resource-editor h2{font-size:21px;margin:0}.resource-editor label{min-width:0}.resource-editor-columns{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;align-items:start}.resource-editor-columns label{display:grid;gap:7px}.resource-editor small{font-weight:400;color:#64748b}.resource-upload{display:grid;gap:10px;padding:16px;border:1px dashed #cbd5e1;border-radius:10px;background:#f8fafc}.resource-upload label{display:grid;gap:10px}.resource-upload label>svg{width:21px;color:var(--blue)}.resource-upload input{width:100%;min-width:0}.resource-upload p{margin:0;overflow-wrap:anywhere;color:#475569;font-size:14px}.resource-upload-progress{display:grid;gap:10px;padding:14px;border:1px solid #bfdbfe;border-radius:8px;background:#fff}.resource-upload-progress-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:14px;color:#1e40af}.resource-upload-progress-heading strong{flex-shrink:0;font-variant-numeric:tabular-nums}.resource-upload progress{display:block;width:100%;height:12px;border:0;border-radius:999px;overflow:hidden;accent-color:var(--blue);background:#e2e8f0}.resource-upload progress::-webkit-progress-bar{background:#e2e8f0;border-radius:999px}.resource-upload progress::-webkit-progress-value{background:var(--blue);border-radius:999px}.resource-upload progress::-moz-progress-bar{background:var(--blue);border-radius:999px}.resource-upload-progress>.button{justify-self:start}.resource-editor-actions{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:10px}.resource-delete-confirm{padding:14px;border:1px solid #fecaca;background:#fff7f7;border-radius:10px}.resource-delete-confirm p{margin:0 0 12px}.resource-hint{margin:0;color:#92400e;font-size:14px}@media(max-width:1100px){.site-header .mobile-menu{display:inline-flex}.site-header .nav{display:none;position:absolute;top:100%;left:0;right:0;padding:12px 24px;background:#fff;border-bottom:1px solid var(--border);box-shadow:0 8px 16px #0f172a08;max-height:calc(100dvh - 80px);overflow-y:auto}.site-header .nav.open{display:flex;flex-direction:column;align-items:stretch;gap:4px}.site-header .nav>a{min-height:44px;height:auto;padding:10px 12px}.resource-nav{flex-wrap:wrap;justify-content:space-between;width:100%}.resource-nav>a{flex:1;padding:10px 12px}.resource-nav-options{position:static;width:100%;box-shadow:none;margin:0 0 6px}.topic-nav .resource-nav-options{width:100%;max-height:320px}}@media(max-width:760px){.resource-nav{flex-wrap:wrap;justify-content:space-between}.resource-nav>a{flex:1}.resource-nav-options{position:static;width:100%;box-shadow:none;margin:0 0 6px;border-color:#e2e8f0}.topic-nav .resource-nav-options{width:100%;max-height:320px}.resource-filter-panel{align-items:stretch}.resource-search{flex:1 1 100%}.resource-tabs{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));width:100%}.resource-grid{grid-template-columns:1fr}.resource-card{padding:16px;gap:12px}.resource-card h2{font-size:17px}.resource-card-footer{flex-wrap:wrap}.resource-card-footer .button{margin-left:auto}.resource-admin-heading{align-items:flex-start;flex-wrap:wrap}.resource-editor-columns{grid-template-columns:1fr}.resource-editor-actions .button{flex:1 1 auto}.resource-admin-list article{flex-wrap:wrap;gap:10px;padding:14px}.resource-admin-list article>div{flex:1 1 calc(100% - 90px)}.resource-admin-list article>.button{margin-left:auto}}.collection-picker{display:grid;gap:8px;align-self:start;padding:14px;border:1px solid #dbeafe;border-radius:12px;background:#f8fbff}.collection-picker>label,.collection-quick-create>label{font-weight:800;color:#1e293b}.collection-picker-row,.collection-quick-create>div,.collection-create>div{display:flex;gap:10px;align-items:center}.collection-picker select,.collection-picker input,.collection-create input,.collection-admin-card input,.collection-admin-card textarea{width:100%;min-width:0;border:1px solid #cbd5e1;border-radius:9px;background:#fff;color:#0f172a}.collection-picker select,.collection-picker input,.collection-create input,.collection-admin-card input{min-height:44px;padding:9px 11px}.collection-picker textarea,.collection-admin-card textarea{padding:9px 11px;resize:vertical}.collection-picker-row select{flex:1}.collection-picker-row .button,.collection-create .button{display:inline-flex;flex:0 0 auto;gap:6px;align-items:center;justify-content:center;min-height:44px}.collection-picker-row svg,.collection-create svg{width:17px;height:17px}.collection-picker>small{color:#64748b;line-height:1.5}.collection-quick-create{display:grid;gap:7px;padding-top:10px;border-top:1px solid #dbeafe}.collection-error{display:flex;gap:12px;align-items:center;justify-content:space-between;padding:10px 12px;border:1px solid #fecaca;border-radius:9px;background:#fff1f2;color:#991b1b}.collections-manager{display:grid;gap:22px}.collections-manager>header h1{margin-bottom:5px}.collections-manager>header p{margin:0;color:#64748b}.collection-create{display:grid;gap:8px;max-width:680px;padding:18px;border:1px solid #dbeafe;border-radius:14px;background:#f8fbff}.collection-create>label{font-weight:800}.collection-notice{padding:11px 13px;border:1px solid #bbf7d0;border-radius:10px;background:#f0fdf4;color:#166534}.collection-loading{padding:28px 0;color:#64748b}.collection-empty{display:grid;justify-items:center;gap:7px;padding:42px 20px;border:1px dashed #cbd5e1;border-radius:14px;color:#64748b;text-align:center}.collection-empty svg{width:32px;height:32px}.collection-empty h2,.collection-empty p{margin:0}.collection-admin-grid{display:grid;gap:18px}.collection-admin-card{display:grid;gap:18px;padding:20px;border:1px solid #e2e8f0;border-radius:14px;background:#fff;box-shadow:0 2px 10px #0f172a0a}.collection-admin-card>form{display:grid;grid-template-columns:minmax(180px,1fr) minmax(220px,1.5fr) auto;gap:12px;align-items:end}.collection-admin-card>form label{display:grid;gap:7px;font-weight:800;color:#334155}.collection-admin-card>form .button{min-height:44px}.collection-review-note{margin:-8px 0 0;color:#64748b;font-size:13px;line-height:1.55}.collection-admin-list h3{display:flex;gap:8px;align-items:baseline;margin:0 0 10px;font-size:17px}.collection-admin-list h3 span{color:#64748b;font-size:13px;font-weight:500}.collection-admin-list ol{display:grid;gap:0;margin:0;padding:0;list-style:none;border:1px solid #e2e8f0;border-radius:10px;overflow:hidden}.collection-admin-list li{display:flex;gap:14px;align-items:center;justify-content:space-between;min-height:62px;padding:8px 10px 8px 14px;border-bottom:1px solid #e2e8f0}.collection-admin-list li:last-child{border-bottom:0}.collection-admin-list li>div{display:grid;gap:3px;min-width:0}.collection-admin-list li a{overflow:hidden;color:#1d4ed8;font-weight:750;text-overflow:ellipsis;white-space:nowrap}.collection-admin-list li small{color:#64748b}.collection-order-buttons{display:flex;flex:0 0 auto;gap:8px}.collection-order-buttons button{display:grid;width:42px;height:42px;place-items:center;border:1px solid #cbd5e1;border-radius:9px;background:#fff;color:#334155}.collection-order-buttons button:hover:not(:disabled){border-color:#93c5fd;background:#eff6ff;color:#1d4ed8}.collection-order-buttons button:disabled{opacity:.35;cursor:not-allowed}.collection-order-buttons svg{width:18px;height:18px}.collection-inline-empty{margin:0;padding:18px;border-radius:10px;background:#f8fafc;color:#64748b}.collection-delete-area{padding-top:2px;border-top:1px solid #f1f5f9}.collection-delete-area>div{display:flex;flex-wrap:wrap;gap:10px;align-items:center;color:#7f1d1d}.collection-delete-area>div span{margin-right:auto}.collection-reader{margin:26px 0 32px;padding:22px;border:1px solid #bfdbfe;border-radius:15px;background:linear-gradient(145deg,#eff6ff,#fff 72%)}.collection-reader details>summary{display:flex;gap:14px;align-items:center;justify-content:space-between;min-height:48px;cursor:pointer;list-style:none}.collection-reader details>summary::-webkit-details-marker{display:none}.collection-reader details>summary>span{display:grid;gap:4px;min-width:0}.collection-reader details>summary small{color:#1d4ed8;font-size:13px;font-weight:800;letter-spacing:.04em}.collection-reader details>summary h2{margin:0;color:#0f172a;font-size:22px}.collection-reader details>summary>svg{flex:0 0 auto;width:20px;height:20px;color:#2563eb;transition:transform .18s ease}.collection-reader details[open]>summary>svg{transform:rotate(180deg)}.collection-reader-directory>p{margin:12px 0 0;color:#475569}.collection-reader ol{display:grid;gap:0;margin:18px 0;padding:0;counter-reset:collection-item;list-style:none;border-top:1px solid #dbeafe}.collection-reader li{display:flex;gap:10px;padding:10px 4px;border-bottom:1px solid #dbeafe;counter-increment:collection-item;line-height:1.5}.collection-reader li:before{content:counter(collection-item,decimal-leading-zero);flex:0 0 26px;color:#94a3b8;font-size:12px;font-variant-numeric:tabular-nums}.collection-reader li.current{color:#0f172a}.collection-reader li.current:before{color:#2563eb}.collection-reader li a{color:#334155}.collection-reader nav{display:grid;grid-template-columns:1fr 1fr;gap:12px}.collection-reader nav>a,.collection-reader nav>span{display:flex;gap:9px;align-items:center;min-width:0;min-height:62px;padding:10px 12px;border:1px solid #dbeafe;border-radius:10px;background:#fff;color:#1e40af}.collection-reader nav>:last-child{justify-content:flex-end;text-align:right}.collection-reader nav>.disabled{color:#94a3b8}.collection-reader nav svg{flex:0 0 auto;width:20px;height:20px}.collection-reader nav span span,.collection-reader nav a span{display:grid;min-width:0}.collection-reader nav small{color:#64748b}.moderation-collection{display:grid;gap:5px;margin:12px 0;padding:12px 14px;border:1px solid #bfdbfe;border-radius:10px;background:#eff6ff;color:#1e3a8a}.moderation-collection p,.moderation-collection small{margin:0}.moderation-collection small{color:#475569}@media(prefers-reduced-motion:reduce){.collection-reader details>summary>svg{transition:none}}@media(max-width:760px){.collection-admin-card>form{grid-template-columns:1fr}.collection-picker-row,.collection-quick-create>div,.collection-create>div{align-items:stretch;flex-direction:column}.collection-picker-row .button,.collection-create .button{width:100%}.collection-reader{padding:17px 14px}.collection-reader nav{grid-template-columns:1fr}.collection-reader nav>:last-child{justify-content:space-between}}@media(max-width:420px){.collection-admin-card{padding:14px}.collection-admin-list li{align-items:flex-start;padding-left:11px}.collection-order-buttons{gap:6px}.collection-order-buttons button{width:40px;height:40px}}:root{--blue: #2563eb;--blue-light: #eff6ff;--orange: #c2410c;font-family:Inter,Segoe UI,Microsoft YaHei UI,PingFang SC,sans-serif;color:#202124;background:#fff;font-synthesis:none;--green: #188038;--yellow: #b06000;--red: #c5221f;--border: #e7e9ed;--muted: #68717d;--soft: #f7f9fc;--radius: 16px;font-size:16px;line-height:1.65}.state{min-height:180px;display:flex;align-items:center;justify-content:center;gap:12px;color:var(--muted)}.spinner{width:22px;height:22px;border:3px solid var(--blue-light);border-top-color:var(--blue);border-radius:50%;animation:spin .75s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.global-error,.error-box{background:#fff7ed;border:1px solid #fed7aa;color:#9a3412;padding:12px 16px;border-radius:12px}.global-error{text-align:center;border-radius:0}.error-box{display:flex;flex-wrap:wrap;gap:8px 14px;align-items:center;margin:12px 0}.error-box strong{color:#7c2d12}.success-box{display:flex;align-items:center;gap:10px;padding:16px;border:1px solid #86efac;background:#f0fdf4;color:#166534;border-radius:14px}.notice{padding:12px 14px;background:#fff7ed;border-left:4px solid var(--orange);color:#7c2d12}.auth-page{display:grid;grid-template-columns:minmax(0,1fr) minmax(340px,480px);gap:48px;align-items:center;min-height:720px}.auth-photo img{width:100%;max-height:580px;object-fit:cover;border-radius:24px}.auth-card{padding:32px;border:1px solid var(--border);border-radius:20px;box-shadow:0 18px 50px #2563eb14}.auth-card .form-stack>label{color:#1e293b;font-size:15px;font-weight:700;line-height:1.45}.auth-card .form-stack input{font-weight:400;letter-spacing:0}.auth-card .tabs{display:flex;gap:4px;margin:2px 0 22px;border-bottom:1px solid #e2e8f0}.auth-card .tabs button{min-height:44px;padding:9px 8px;border:0;border-bottom:2px solid transparent;background:transparent;color:#475569;font-family:inherit;font-size:15px;font-weight:600;cursor:pointer}.auth-card .tabs button.active{border-bottom-color:#2563eb;color:#1d4ed8}.auth-card .tabs button:disabled{cursor:not-allowed;opacity:.45}.form-stack{display:grid;gap:18px}.form-stack label,.form-grid label,.editor-meta label,.editor-split>label,.comments label{display:grid;gap:7px;font-weight:650}.form-stack input,.form-grid input,.form-grid textarea,.editor-meta input,.editor-meta select,.comments textarea{width:100%;padding:11px 13px;border:1px solid #cbd5e1;border-radius:9px;background:#fff}.field-action{display:grid;grid-template-columns:1fr auto;gap:8px}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.form-grid textarea{min-height:110px}.panel{padding:24px;border:1px solid var(--border);border-radius:16px;background:#fff}.narrow{max-width:720px}.shop-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.shop-card{display:block;padding:22px;border:1px solid var(--border);border-radius:16px;color:inherit;text-decoration:none}.shop-card:hover{border-color:var(--blue);box-shadow:0 10px 28px #2563eb1a}.action-row{display:flex;justify-content:flex-end;margin:20px 0}.review,.comment{padding:18px 0;border-bottom:1px solid var(--border)}.review.history{border-left:3px solid var(--orange);padding-left:16px}.attachments{display:grid;gap:8px}.attachments a{display:flex;align-items:center;gap:8px}.comments{margin-top:44px}.comments h2{display:flex;align-items:center;gap:9px}.record-list{display:grid;gap:12px}.record-list article{padding:18px;border:1px solid var(--border);border-radius:13px}.record-list article>*{margin-right:10px}.status{display:inline-flex;padding:3px 9px;border-radius:999px;background:#eef2ff;color:#3730a3}.admin-link{display:flex;align-items:center;gap:7px;margin-top:20px;padding:11px;color:var(--orange);font-weight:700}.editor-meta{display:grid;grid-template-columns:2fr 1fr;gap:14px;margin-bottom:20px}.editor-split{display:grid;grid-template-columns:1fr 1fr;gap:20px}.editor-textarea{width:100%;min-height:620px;padding:18px;border:1px solid #cbd5e1;border-radius:12px;font-family:Cascadia Code,monospace;line-height:1.6}.preview{min-width:0;padding:24px;border:1px solid var(--border);border-radius:14px;background:#fff}.button.primary,.search-submit{background:var(--orange);color:#fff}.button.primary:hover,.search-submit:hover{background:#9a3412}@media(max-width:850px){.auth-page,.editor-split{grid-template-columns:1fr}.auth-photo{display:none}.shop-grid{grid-template-columns:1fr 1fr}.form-grid,.editor-meta{grid-template-columns:1fr}}@media(max-width:560px){.shop-grid{grid-template-columns:1fr}.auth-card{padding:22px}.field-action{grid-template-columns:1fr}.editor-head{align-items:flex-start;gap:14px}.editor-head>div:last-child{display:flex;flex-wrap:wrap;gap:8px}}.author-link{color:#1d4ed8;font-weight:700;text-decoration:none}.save-control{display:inline-flex;flex-direction:column;align-items:flex-start;gap:3px}.field-error{color:#b91c1c;max-width:220px}.notification-bell{position:relative}.notification-bell>span{position:absolute;top:-5px;right:-7px;min-width:18px;height:18px;padding-inline:4px;border:2px solid #fff;border-radius:999px;background:#c2410c;color:#fff;font-size:10px;font-weight:800;line-height:14px;text-align:center}.author-link:hover{text-decoration:underline}.attachment-row{display:flex;align-items:center;flex-wrap:wrap;gap:10px;padding-block:8px}.attachment-row>a{display:inline-flex;align-items:center;gap:7px}.shop-title-row{display:flex;align-items:center;flex-wrap:wrap;gap:10px}.shop-title-row h1{margin-right:auto}.shop-title-row>span{color:#475569;font-size:.9rem}.comment{border:1px solid #e2e8f0;border-radius:12px;padding:16px;margin-block:12px;background:#fff}.comment-reply{margin-left:28px;border-left:4px solid #bfdbfe}.comment-actions,.inline-actions{display:flex;align-items:center;flex-wrap:wrap;gap:10px}.comment-actions small{margin-right:auto;color:#64748b}.comments-head{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}.comments-head h2{display:flex;align-items:center;gap:8px;margin:0}.comment-sort{display:flex;gap:4px;padding:3px;border-radius:10px;background:#e2e8f0}.comment-sort button{min-height:38px;padding:5px 13px;border:0;border-radius:8px;background:transparent;color:#475569}.comment-sort button.selected{background:#fff;color:#1d4ed8;font-weight:800;box-shadow:0 1px 4px #0f172a1f}.like-button{min-height:36px;padding:5px 10px;border:1px solid #cbd5e1;border-radius:999px;background:#fff;color:#334155}.like-button.selected{border-color:#2563eb;background:#eff6ff;color:#1d4ed8;font-weight:800}.deleted-comment{color:#64748b;font-style:italic}.delete-confirm{margin-top:12px;padding:14px;border:1px solid #fed7aa;border-radius:10px;background:#fff7ed}.danger-button{border-color:#b91c1c;background:#b91c1c;color:#fff}.comment-inline-form{margin-top:14px;padding:14px;border-radius:10px;background:#f8fafc}.comment-inline-form label{display:grid;gap:7px;font-weight:700}.comment-inline-form textarea{min-height:92px;resize:vertical}.comments>form{margin-top:24px;padding:20px;border:1px solid #dbeafe;border-radius:14px;background:#f8fbff}.comments>form label{display:grid;gap:8px;font-weight:700}.comments>form textarea{min-height:120px;resize:vertical}.markdown-toolbar{display:flex;align-items:center;flex-wrap:wrap;gap:8px;margin-top:7px;padding:8px;border:1px solid #cbd5e1;border-bottom:0;border-radius:10px 10px 0 0;background:#f8fafc}.markdown-toolbar button,.toolbar-upload{display:inline-flex;align-items:center;gap:6px;min-height:40px;padding:7px 11px;border:1px solid #cbd5e1;border-radius:8px;background:#fff;color:#1e293b;cursor:pointer}.toolbar-upload input{position:absolute;width:1px;height:1px;opacity:0;pointer-events:none}.markdown-toolbar+.editor-textarea{border-top-left-radius:0;border-top-right-radius:0}.public-profile{max-width:1050px;padding-block:48px}.profile-hero{display:flex;align-items:center;gap:18px;margin-bottom:28px;padding:16px 20px;border:1px solid #dbeafe;border-radius:16px;background:#eff6ff}.profile-hero .avatar{flex:0 0 54px;width:54px;height:54px;font-size:1.3rem}.profile-hero h1,.profile-hero p{margin:0 0 6px}.profile-identity{min-width:0}.profile-identity h1{font-size:30px;line-height:1.25;overflow-wrap:anywhere}.profile-identity p{max-width:70ch;color:#475569;line-height:1.7;overflow-wrap:anywhere}.public-profile>section{margin-block:36px}.pdf-modal{position:fixed;z-index:1000;inset:0;display:grid;place-items:center;padding:20px;background:#0f172ab8}.pdf-dialog{display:flex;flex-direction:column;width:min(1100px,100%);height:min(92vh,900px);overflow:hidden;border-radius:16px;background:#fff;box-shadow:0 25px 70px #0000004d}.pdf-dialog>header{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 16px;border-bottom:1px solid #e2e8f0}.pdf-toolbar{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:8px;padding:10px;border-bottom:1px solid #e2e8f0;background:#f8fafc}.pdf-toolbar button,.pdf-toolbar a{display:inline-flex;align-items:center;justify-content:center;gap:4px;min-height:40px;padding:7px 10px;border:1px solid #cbd5e1;border-radius:8px;background:#fff;color:#1e293b;text-decoration:none}.pdf-toolbar button:disabled{opacity:.45}.pdf-stage{position:relative;flex:1;overflow:auto;padding:22px;text-align:center;background:#dbe1e8}.pdf-stage canvas{display:block;margin:auto;max-width:none;background:#fff;box-shadow:0 4px 18px #0f172a2e}.pdf-loading{position:sticky;z-index:2;top:8px;display:inline-block;padding:7px 12px;border-radius:999px;background:#fff;color:#334155}.pdf-error{margin:auto;text-align:center}@media(max-width:560px){.comment-reply{margin-left:12px}.pdf-modal{padding:0}.pdf-dialog{width:100%;height:100dvh;border-radius:0}.pdf-toolbar{justify-content:flex-start;overflow-x:auto;flex-wrap:nowrap}.pdf-toolbar>*{flex:0 0 auto}.pdf-stage{padding:12px}.profile-hero{align-items:flex-start;padding:18px}}.problem-filters{display:flex;flex-wrap:wrap;align-items:end;gap:12px;margin:22px 0;padding:16px;border:1px solid #dbe3ef;border-radius:14px;background:#f8fafc}.problem-filters label{display:grid;gap:5px;color:#475569;font-size:14px}.problem-filters select{min-width:150px;padding:9px 32px 9px 11px;border:1px solid #cbd5e1;border-radius:9px;background:#fff}.problem-meta{display:flex;flex-wrap:wrap;gap:9px;margin:18px 0}.problem-meta span,.problem-meta a{display:inline-flex;align-items:center;gap:5px;padding:6px 10px;border-radius:999px;background:#f1f5f9;color:#334155;text-decoration:none}.classification-note{margin:-6px 0 22px;padding:10px 12px;border-left:3px solid #c2410c;background:#fff7ed;color:#7c2d12;font-size:14px}.official-body-note{margin:24px 0;padding:18px;border:1px solid #dbe3ef;border-radius:12px;background:#f8fafc;color:#475569}.classification-reason{margin:18px 0;color:#475569}.classification-reason summary{cursor:pointer;color:#1d4ed8;font-weight:700}.related-notices{display:grid;gap:8px;margin:24px 0}.related-notices a{display:flex;align-items:center;gap:6px}.external-file{display:grid;gap:4px;padding:12px 0;border-bottom:1px solid #e2e8f0}.external-file a{font-weight:700}.external-file span,.external-file small{color:#64748b}.problem-meta a{background:#eff6ff;color:#1d4ed8}.account-search{display:grid;grid-template-columns:minmax(240px,1fr) auto;align-items:end;gap:12px;margin:22px 0}.account-search label{display:grid;gap:6px}.account-search input{padding:11px 13px;border:1px solid #cbd5e1;border-radius:9px}.problem-admin-filters{grid-template-columns:minmax(210px,1.5fr) repeat(4,minmax(118px,.7fr)) auto}@media(max-width:1100px){.problem-admin-filters{grid-template-columns:repeat(3,minmax(0,1fr))}.problem-admin-filters label:first-child{grid-column:span 2}}.account-row{display:grid;grid-template-columns:minmax(200px,1fr) minmax(260px,auto) auto;align-items:center;gap:18px}.account-row p{margin:4px 0 0;color:#64748b}.account-badges{display:flex;flex-wrap:wrap;gap:6px}.account-badges span{padding:4px 8px;border-radius:999px;background:#f1f5f9;color:#475569;font-size:13px}.pagination{display:flex;align-items:center;justify-content:center;gap:14px;margin:22px 0}.pagination button{min-height:40px;padding:7px 13px;border:1px solid #cbd5e1;border-radius:9px;background:#fff}.pagination button:disabled{opacity:.45}.modal-backdrop{position:fixed;inset:0;z-index:1000;display:grid;place-items:center;padding:20px;background:#0f172a8c}.account-dialog{width:min(560px,100%);max-height:90vh;overflow:auto;padding:26px;border-radius:18px;background:#fff;box-shadow:0 25px 80px #0f172a47}.account-dialog>label{display:grid;gap:7px;margin:18px 0}.account-dialog select{padding:10px;border:1px solid #cbd5e1;border-radius:9px}.target-user{display:grid;gap:3px;padding:14px;border-radius:10px;background:#f8fafc}.account-dialog fieldset{display:grid;gap:9px;margin:18px 0;border:1px solid #dbe3ef;border-radius:12px}.dialog-actions{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:9px;margin-top:22px}.button.danger{background:#b91c1c;color:#fff;border-color:#b91c1c}.button.danger-secondary{border-color:#fecaca;background:#fff;color:#b91c1c}.button.danger-secondary:hover{border-color:#fca5a5;background:#fff1f2}@media(max-width:700px){.problem-filters{display:grid;grid-template-columns:1fr 1fr}.problem-filters label:first-child{grid-column:1/-1}.problem-filters select{width:100%;min-width:0}.account-row,.account-search{grid-template-columns:1fr}.problem-admin-filters label:first-child{grid-column:auto}.dialog-actions>*{width:100%}}.admin-title-row,.problem-admin-row{display:flex;align-items:center;justify-content:space-between;gap:18px}.admin-title-row{margin-bottom:18px}.admin-title-row h1{margin:0}.problem-admin-row>div:first-child{min-width:0;flex:1}.problem-admin-row p{margin:5px 0 0;color:#64748b}.problem-dialog{width:min(760px,100%)}.problem-dialog .form-grid select{width:100%;padding:10px;border:1px solid #cbd5e1;border-radius:9px;background:#fff}.problem-dialog textarea{min-height:140px}@media(max-width:600px){.admin-title-row,.problem-admin-row{align-items:flex-start;flex-direction:column}.problem-admin-row>div:last-child{display:flex;flex-wrap:wrap}.problem-dialog{padding:20px}.problem-dialog .form-grid{grid-template-columns:1fr!important}}@media(prefers-reduced-motion:reduce){.spinner{animation-duration:1.6s}}*{box-sizing:border-box}body{margin:0}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}a{color:inherit;text-decoration:none}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.55}button{color:inherit}button,select{touch-action:manipulation}button{border:0;background:none}button:focus-visible,a:focus-visible{outline:3px solid #85b5f5;outline-offset:4px}input:focus,textarea:focus,select:focus{outline:2px solid #85b5f5;outline-offset:1px}input,textarea,select{border:1px solid #d8dde5;border-radius:8px;background:#fff;color:#202124;padding:11px 13px;max-width:100%}input::placeholder,textarea::placeholder{color:#87909b}textarea{resize:vertical}h1,h2,h3,h4,p{margin-top:0}h1,h2,h3{line-height:1.4}h1{font-size:36px;font-weight:650;letter-spacing:-1px}h2{font-size:23px;font-weight:650;letter-spacing:-.5px}h3{font-size:18px;font-weight:600}p{margin-bottom:16px}svg{flex-shrink:0;vertical-align:middle}small{font-size:13px}label{font-size:14px;display:flex;flex-direction:column;gap:8px;font-weight:550}label input,label select,label textarea{font-weight:400;width:100%}img{max-width:100%}main{min-height:65vh}::selection{background:#dbe9ff}.container{max-width:1200px;margin:auto;padding:0 32px}.page{padding-top:42px;padding-bottom:68px;min-height:68vh}.narrow{max-width:880px}.muted{color:var(--muted);font-size:14px}.blue-text{color:var(--blue)}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip-link{position:fixed;top:-100px;left:16px;background:var(--blue);color:#fff;padding:12px;z-index:100}.skip-link:focus{top:12px}.site-header{height:80px;border-bottom:1px solid var(--border);background:#fffffff7;position:sticky;top:0;z-index:30}.header-inner{max-width:1400px;margin:auto;padding:0 40px;display:flex;align-items:center;height:100%;gap:48px}.brand{display:inline-flex;align-items:center;gap:11px;white-space:nowrap;font-size:23px;font-weight:650;letter-spacing:.5px}.brand-blue{color:var(--blue)}.brand-mark{position:relative;display:inline-flex;align-items:center;justify-content:center;width:34px;height:36px;color:#4285f4;font:600 43px/1 Segoe UI,sans-serif;letter-spacing:-4px;padding-right:4px;transform:translateY(-3px)}.brand-mark>span{position:absolute;right:0;bottom:0;width:8px;height:8px;border-radius:50%;background:#34a853;border:2px solid white}.nav{display:flex;align-self:stretch;gap:32px;align-items:center}.nav>a{display:flex;align-items:center;height:100%;font-size:14px;font-weight:500;color:#5f6368;position:relative;white-space:nowrap}.nav>a.active{color:var(--blue)}.nav>a.active:after{content:"";position:absolute;bottom:0;left:0;right:0;height:3px;background:var(--blue);border-radius:4px 4px 0 0}.header-actions{margin-left:auto;display:flex;align-items:center;gap:20px}.write-link{display:flex;align-items:center;gap:7px;font-size:14px;white-space:nowrap;color:#5f6368}.write-link:hover{color:var(--blue)}.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:10px 20px;border-radius:8px;font-size:14px;line-height:1.5;font-weight:550;border:1px solid transparent;white-space:nowrap;transition:background .16s,box-shadow .16s}.primary{background:var(--blue);color:#fff}.primary:hover{background:#155ab9;box-shadow:0 2px 5px #1967d22a}.secondary{background:#fff;border-color:#d9dfe7;color:var(--blue)}.secondary:hover{background:#f3f7fd;border-color:#c2d7f5}.small{min-height:38px;padding:8px 14px}.full{width:100%}.danger{background:#fcebea;color:var(--red)}.icon-button{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:50%;color:#737b85;flex-shrink:0}.icon-button:hover{background:#edf3fc;color:var(--blue)}.text-link,.text-button{display:inline-flex;align-items:center;gap:6px;color:var(--blue);font-size:14px;font-weight:500}.text-link:hover,.text-button:hover{text-decoration:underline}.text-button{padding:0}.mobile-menu{display:none}.avatar{height:36px;width:36px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;background:#e7f0fc;color:var(--blue);font-size:14px;font-weight:600;flex-shrink:0}.notification-button{position:relative}.notification-button i{position:absolute;right:7px;top:5px;width:6px;height:6px;border-radius:50%;background:#ea4335;border:1px solid white}.hero{text-align:center;padding:60px 24px 34px;max-width:920px;margin:auto}.hero-kicker{display:flex;align-items:center;justify-content:center;gap:10px;font-size:13px;letter-spacing:2px;color:#68717d;margin-bottom:18px}.four-dots{display:flex;gap:4px}.four-dots i{height:5px;width:5px;background:#4285f4;border-radius:50%}.four-dots i:nth-child(2){background:#ea4335}.four-dots i:nth-child(3){background:#fbbc04}.four-dots i:nth-child(4){background:#34a853}.hero h1{font-weight:550;font-size:44px;letter-spacing:-1.8px;margin:0 0 15px}.hero h1>span{color:var(--blue)}.hero>p{font-size:15px;color:#68717d;letter-spacing:.3px;margin-bottom:28px}.searchbox{display:flex;align-items:center;gap:13px;border:1px solid #dce1e8;border-radius:12px;max-width:750px;min-height:52px;padding:0 9px 0 18px;background:#fff;color:#7a828c;transition:box-shadow .2s,border-color .2s}.searchbox:focus-within{box-shadow:0 0 0 3px #e8f0fe;border-color:#a9c5ed}.searchbox input{flex:1;min-width:0;border:0;outline:none!important;padding:13px 0;background:transparent;font-size:15px;box-shadow:none}.searchbox-large{max-width:660px;margin:auto;border-radius:32px;min-height:58px;padding-left:23px;box-shadow:0 3px 12px #1d35570a}.search-submit{height:38px;width:38px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:var(--blue);color:#fff;flex-shrink:0}.search-submit:hover{background:#174ea6}.hot-search{display:flex;justify-content:center;align-items:center;gap:17px;margin-top:17px;font-size:12px;color:#78808a}.hot-search a{display:flex;align-items:center;gap:3px;color:#5f6368}.hot-search a:hover{color:var(--blue)}.topic-strip{display:grid;grid-template-columns:repeat(6,1fr);border:1px solid var(--border);border-radius:14px;padding:19px 10px;margin:8px 0 43px}.topic-strip>a{display:flex;align-items:center;justify-content:center;gap:10px;font-size:14px;border-right:1px solid var(--border)}.topic-strip>a:last-child{border:0}.topic-strip>a:hover{color:var(--blue)}.topic-icon{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:12px;flex-shrink:0}.blue{color:#1967d2;background:#eaf2ff}.green{color:#188038;background:#eaf5ee}.yellow{color:#a85b00;background:#fff6df}.red{color:#c83c34;background:#fceeea}.home-columns{display:grid;grid-template-columns:minmax(0,1fr) 285px;gap:34px}.section-block{margin-bottom:37px}.section-heading{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:21px}.section-heading h2{margin:0}.section-heading>.muted{display:flex;align-items:center;gap:5px}.section-kicker{font-size:12px;letter-spacing:1.7px;font-weight:600;color:#838b96;line-height:1.4;margin-bottom:6px}.section-heading .text-link{align-self:flex-end;padding-bottom:3px}.section-tabs{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border);margin-bottom:0}.section-tabs>div{display:flex;gap:26px}.section-tabs button{font-size:14px;padding:0 1px 12px;color:#757c85;border-bottom:2px solid transparent}.section-tabs button.active{color:var(--blue);border-color:var(--blue);font-weight:600}.section-tabs>span{font-size:12px;color:#89919b;padding-bottom:12px}.problem-row{display:flex;align-items:center;gap:16px;padding:22px 0;border-bottom:1px solid var(--border)}.problem-letter{height:48px;width:48px;display:flex;align-items:center;justify-content:center;border-radius:12px;font:500 24px/1 Segoe UI,sans-serif;flex-shrink:0}.problem-copy{min-width:0;flex:1}.eyebrow{display:flex;align-items:center;gap:7px;font-size:12px;color:#76808c;margin-bottom:6px;flex-wrap:wrap}.eyebrow>span:not(.sample-tag){color:#a0a6af}.sample-tag{color:#788494;border:1px solid #e3e8ef;background:#f8fafd;padding:0 5px;font-size:12px;border-radius:4px;white-space:nowrap}.problem-title{font-size:16px;font-weight:600;display:inline-block;margin-bottom:7px}.problem-title:hover,.article-title:hover{color:var(--blue)}.tags{display:flex;gap:6px;flex-wrap:wrap}.tags span,.tags a{font-size:12px;color:#6b7480;background:#f3f5f8;border-radius:4px;padding:1px 7px}.tags a:hover{background:var(--blue-light);color:var(--blue)}.problem-right{display:flex;align-items:center;gap:4px}.problem-right>span{display:none;color:#6f7884;font-size:12px;margin-right:18px}.home-problems .problem-right .icon-button:first-of-type{display:none}.article-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.article-card{border:1px solid var(--border);border-radius:13px;overflow:hidden;background:#fff;transition:border-color .18s,box-shadow .18s}.article-card:hover{border-color:#c7d7eb;box-shadow:0 5px 20px #1b36590a}.article-art{height:115px;display:flex;align-items:center;gap:16px;padding:24px;position:relative;overflow:hidden}.article-art.blue{background:#edf3fd}.article-art.yellow{background:#fdf6e9}.article-art.green{background:#edf6ef}.article-art.red{background:#fcf0ed}.article-art>.topic-icon{height:60px;width:60px;border-radius:16px;background:#ffffffa8}.article-art>span:nth-child(2){font-size:25px;font-weight:650;letter-spacing:-.5px;opacity:.72}.article-art>small{position:absolute;right:18px;bottom:13px;font-size:12px;letter-spacing:1px;opacity:.6}.article-copy{padding:18px 18px 15px}.article-title{font-size:17px;font-weight:600;line-height:1.6;display:block;margin-bottom:9px}.article-copy>p{font-size:13px;line-height:1.8;color:#74808b;margin-bottom:18px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:46px}.article-meta{display:flex;align-items:center;gap:6px;color:#7b8490;font-size:12px;white-space:nowrap}.mini-avatar{height:19px;width:19px;display:flex;align-items:center;justify-content:center;background:#f0f3f6;border-radius:50%;font-size:12px;color:#6d7884}.reading-time{display:flex;align-items:center;gap:3px;margin-left:auto}.save-button{width:26px;height:26px;margin-left:2px}.saved{color:var(--blue)!important}.home-aside{padding-top:4px}.start-card{background:#f5f8fe;border:1px solid #e6edf7;border-radius:15px;padding:24px}.small-pill{display:inline-flex;align-items:center;gap:6px;font-size:12px;line-height:1.8;padding:3px 9px;background:#e6eefc;color:#3d6dab;border-radius:5px;font-weight:500;white-space:nowrap}.start-card h3{font-size:20px;margin:18px 0 8px}.start-card>p{font-size:13px;color:#738097;line-height:1.9}.start-card ol{list-style:none;padding:8px 0 18px;margin:0}.start-card li{display:flex;align-items:center;gap:10px;padding:10px 0}.start-card li>span{font-size:12px;background:#e8eef9;color:#7992b6;border-radius:5px;width:23px;height:23px;text-align:center;line-height:23px}.start-card li>a{font-size:13px;display:flex;align-items:center;justify-content:space-between;flex:1;color:#586b85}.start-card li>a:hover{color:var(--blue)}.start-card .button{font-size:13px;border-color:#ccdaf0;background:transparent}.contribute-card{padding:26px 4px 27px;border-bottom:1px solid var(--border)}.contribute-icon{display:inline-flex;color:#b47a23;background:#fef6e4;padding:9px;border-radius:11px;margin-bottom:13px}.contribute-card h3{font-size:16px;margin-bottom:9px}.contribute-card p{font-size:12px;color:#7a8490;line-height:1.9}.contribute-card .text-link{font-size:12px}.community-note{display:flex;gap:10px;padding-top:24px;color:#7d8a9c}.community-note strong{font-size:12px;font-weight:500;color:#60728a}.community-note p{font-size:12px;line-height:1.9;margin-top:6px}.preview-line{display:flex;align-items:center;justify-content:center;gap:8px;font-size:12px;color:#838c97;border-top:1px solid var(--border);padding:25px 0 30px;margin-top:10px}.footer{border-top:1px solid var(--border);max-width:none;padding:31px max(32px,calc((100% - 1136px)/2)) 52px;display:flex;justify-content:space-between;gap:25px;background:#fcfcfd}.footer .brand{font-size:17px;gap:6px}.footer .brand-mark{font-size:32px;width:26px;height:28px}.footer .brand-mark>span{width:6px;height:6px}.footer p{font-size:12px;color:#858d97;margin:10px 0 0}.footer-links{display:flex;align-items:center;gap:24px;font-size:12px;color:#77808c}.footer-links a:hover{color:var(--blue)}.footer-links>span{margin-left:8px}.preview-badge{position:fixed;bottom:12px;left:18px;z-index:25;display:flex;align-items:center;gap:7px;font-size:12px;background:#fff;border:1px solid #e3e8f0;padding:6px 11px;border-radius:30px;color:#748196;box-shadow:0 2px 10px #1b365912}.preview-badge>span:first-child{width:5px;height:5px;background:#4285f4;border-radius:50%}.badge-divider{color:#c6cdd6;margin:0 2px}.toast{position:fixed;left:50%;bottom:55px;transform:translate(-50%);max-width:calc(100% - 32px);background:#253348;color:#fff;border-radius:10px;box-shadow:0 5px 25px #17223530;padding:14px 20px;z-index:100;display:flex;align-items:center;gap:9px;font-size:14px}.page-heading{margin-bottom:30px}.page-heading h1{margin:8px 0 10px}.page-heading p{color:#718092;font-size:15px;margin-bottom:0}.heading-with-action{display:flex;justify-content:space-between;align-items:center;gap:20px}.page>.searchbox{max-width:100%;margin-bottom:24px;border-radius:10px}.filter-panel{border:1px solid var(--border);border-radius:12px;padding:15px 22px;margin-bottom:24px}.filter-row{display:flex;gap:23px;padding:8px 0;align-items:flex-start;font-size:14px}.filter-row>span{width:34px;flex-shrink:0;padding-top:5px;color:#89919b;font-size:13px}.filter-row>div{display:flex;flex-wrap:wrap;gap:6px}.filter-row button{font-size:13px;border-radius:6px;padding:5px 13px;color:#626d7b}.filter-row button.selected{background:#eaf2ff;color:var(--blue);font-weight:600}.filter-row button:hover{background:#f2f6fb}.results-heading{display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:14px;color:#717b89;margin:18px 0}.results-heading>div{display:flex;gap:22px;align-items:center}.results-heading strong{color:#202124}.results-heading select{border:0;font-size:13px;padding:6px 8px;color:#6c7685}.results-heading small{font-size:12px}.bordered{border:1px solid var(--border);border-radius:12px;overflow:hidden}.bordered:empty{display:none}.bordered .problem-row{padding:23px}.bordered .problem-row:last-child{border-bottom:0}.bordered .problem-right>span{display:block}.preview-note{display:flex;gap:8px;align-items:flex-start;border:1px solid #e7edf4;background:#f7f9fc;color:#708094;border-radius:9px;padding:11px 15px;font-size:12px;line-height:1.8;margin:20px 0}.preview-note svg{margin-top:3px}.category-tabs{display:flex;gap:26px;border-bottom:1px solid var(--border);margin:28px 0;overflow:auto;scrollbar-width:thin}.category-tabs button{font-size:14px;padding:10px 1px 14px;white-space:nowrap;color:#747e8a;border-bottom:2px solid transparent}.category-tabs button.active{color:var(--blue);border-color:var(--blue);font-weight:600}.three{grid-template-columns:repeat(3,minmax(0,1fr))}.three .article-art{height:145px}.empty{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:270px;padding:40px 24px;text-align:center;color:#8191a5;grid-column:1/-1}.empty>svg{color:#aabbd1;margin-bottom:18px;stroke-width:1.4}.empty h3{font-size:19px;margin:0 0 10px;color:#506179}.empty p{font-size:14px;max-width:520px}.empty .button{margin-top:6px}.topics-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}.topic-card{border:1px solid var(--border);padding:28px;border-radius:16px;position:relative;transition:border-color .2s,box-shadow .2s}.topic-card:hover{border-color:#b7cfed;box-shadow:0 5px 20px #1967d210}.topic-card>.topic-icon{width:54px;height:54px;margin-bottom:20px}.topic-number{position:absolute;right:25px;top:27px;font-size:13px;color:#b6c0cd}.topic-card h2{font-size:21px;margin-bottom:8px}.topic-card p{font-size:14px;color:#7b899b}.topic-card>div{display:flex;justify-content:space-between;align-items:center;font-size:13px;color:var(--blue);border-top:1px solid var(--border);padding-top:18px;margin-top:25px}.back-link{display:inline-flex;align-items:center;gap:6px;color:#7c8899;font-size:13px;margin-bottom:26px}.back-link:hover{color:var(--blue)}.reading-layout{display:grid;grid-template-columns:minmax(0,1fr) 270px;gap:44px}.reading-main{min-width:0;max-width:780px}.reading-main>h1{font-size:34px;line-height:1.55;margin-bottom:14px;letter-spacing:-.6px}.article-subtitle{color:#8290a2;font-size:17px}.article-byline{display:flex;align-items:center;gap:11px;border-bottom:1px solid var(--border);padding:5px 0 27px;margin-bottom:28px}.article-byline>div{display:flex;flex-direction:column;gap:2px}.article-byline strong{font-size:13px;font-weight:500}.article-byline>div>span{font-size:12px;color:#8b95a2}.bookmark-action{margin-left:auto}.aside-box{border:1px solid var(--border);border-radius:13px;padding:23px;margin-bottom:20px}.aside-box h3{font-size:16px;margin-bottom:13px}.aside-box p{font-size:13px;line-height:1.9;color:#7d8897}.aside-box small{font-size:12px;color:#8893a2}.aside-box .text-link{font-size:13px}.soft{background:#f6f9fe;border-color:#e7eef8}.soft>svg{color:#6b96ce;margin-bottom:10px}.related-title{display:flex;align-items:center;justify-content:space-between;font-size:14px;font-weight:500;margin-top:10px}.related-title:hover{color:var(--blue)}.markdown{font-size:16px;line-height:1.95;overflow-wrap:anywhere;color:#3f4a58}.markdown h2{font-size:23px;margin:32px 0 15px;color:#202124;line-height:1.5}.markdown h2:first-child{margin-top:0}.markdown h3{font-size:19px;margin-top:26px}.markdown p{margin-bottom:19px}.markdown a{color:var(--blue);text-decoration:underline}.markdown blockquote{margin:20px 0;padding:12px 18px;border-left:3px solid #85afe6;background:#f2f7ff;font-size:14px;color:#657992}.markdown blockquote>p{margin:0}.markdown pre{background:#f7f9fc;border:1px solid #e8edf3;padding:20px;border-radius:10px;overflow-x:auto;line-height:1.7;font-size:13px}.markdown pre code{font-family:Cascadia Code,Consolas,monospace;white-space:pre}.markdown code:not(pre code){background:#f0f3f8;padding:2px 5px;border-radius:4px;font-size:.88em}.markdown .hljs{background:transparent;padding:0}.markdown table{border-collapse:collapse;width:100%;font-size:14px;display:block;overflow:auto;margin-bottom:24px}.markdown td,.markdown th{border:1px solid #e1e7ef;padding:11px 18px;text-align:left}.markdown th{background:#f5f8fc}.markdown li{margin:6px 0}.markdown input[type=checkbox]{margin-right:7px}.markdown img{display:block;max-height:600px;object-fit:contain;border-radius:10px;margin:20px auto}.katex-display{overflow-x:auto;overflow-y:hidden;padding:10px 0}.article-bottom-tags{margin:30px 0}.article-bottom-tags a{font-size:12px;padding:3px 10px}.attachment-list{border:1px solid var(--border);border-radius:10px;padding:18px}.attachment-list>div{display:flex;gap:7px;flex-wrap:wrap;font-size:14px}.attachment-list small{color:var(--muted)}.comments{border-top:1px solid var(--border);padding-top:30px;margin-top:30px;scroll-margin-top:100px}.comments h2{margin-bottom:6px}.comments h2>span{font-size:15px;font-weight:400;color:#8e9bad;margin-left:6px}.comments textarea{width:100%;font-size:14px;min-height:100px}.comment-submit{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-top:12px}.comment-submit small{font-size:12px;color:#8a95a4}.discussion-empty{display:flex;flex-direction:column;align-items:center;padding:40px 0;color:#a0adbe;font-size:13px}.discussion-empty p{margin-top:12px}.comment{display:flex;gap:12px;padding:25px 0;border-bottom:1px solid var(--border)}.comment>div{min-width:0;flex:1}.comment p{white-space:pre-wrap;overflow-wrap:anywhere;margin:10px 0;font-size:14px}.comment-byline{display:flex;gap:14px;align-items:center;font-size:13px}.comment-byline span{font-size:12px;color:#8e99a8}.comment-controls{display:flex;gap:20px}.comment-controls button{padding:0;color:#8390a1;font-size:12px}.comment-controls button:hover{color:var(--blue)}.comment.reply{margin-left:40px}.replying{display:flex;justify-content:space-between;font-size:13px;padding:10px;color:#75849a}.problem-detail-head{display:flex;gap:20px;align-items:center;margin-bottom:25px}.problem-detail-head>.problem-letter{width:70px;height:70px;font-size:35px;border-radius:17px}.problem-detail-head h1{font-size:30px;margin:5px 0 12px}.problem-detail-head>div:nth-child(2){flex:1}.content-panel{border:1px solid var(--border);border-radius:12px;padding:26px;margin-bottom:22px}.content-panel h2{font-size:20px;margin-bottom:15px}.content-panel h3{font-size:16px;margin-top:23px}.content-panel p{font-size:15px;color:#6d7b8d;line-height:1.9}.content-panel p:last-child{margin-bottom:0}.download-row{display:flex;align-items:center;gap:12px}.file-icon{display:inline-flex;align-items:center;justify-content:center;width:44px;height:48px;background:#f1f5fb;color:#6b8cba;border-radius:7px}.download-row>div{flex:1;min-width:0}.download-row strong{font-size:14px;display:block;overflow-wrap:anywhere}.download-row small{font-size:12px;color:#8896a8}.download-row .button{font-size:12px}dl{margin:0}dl>div{display:flex;justify-content:space-between;gap:20px;padding:7px 0;font-size:12px}dt{color:#8a98aa}dd{margin:0;color:#5d6e84}.auth-modal{border:0;padding:37px;border-radius:20px;width:450px;max-width:calc(100% - 30px);max-height:calc(100dvh - 40px);box-shadow:0 15px 80px #14294230;overflow:auto}.auth-modal::backdrop{background:#17223860;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px)}.modal-close{position:absolute;right:14px;top:14px}.auth-modal .brand{margin-bottom:24px;font-size:20px}.auth-modal h2{font-size:24px;margin-bottom:9px}.auth-modal form{display:flex;flex-direction:column;gap:16px}.auth-demo{display:flex;gap:8px;font-size:12px;color:#687c97;background:#f2f6fc;padding:12px;border-radius:8px;line-height:1.8;margin:19px 0}.auth-demo svg{margin-top:3px}.verification-input{display:flex;gap:8px}.verification-input input{min-width:0}.verification-input button{font-size:12px;padding:10px}.forgot{align-self:flex-end;font-size:12px;margin-top:-7px}.auth-switch{display:flex;justify-content:center;align-items:center;gap:5px;font-size:13px;color:#7f8b9b;margin-top:20px}.auth-switch button{color:var(--blue);font-size:13px}.auth-divider{display:flex;align-items:center;gap:12px;color:#a1aab6;font-size:12px;margin:20px 0}.auth-divider:before,.auth-divider:after{content:"";height:1px;background:var(--border);flex:1}.inline-help{font-size:12px;color:var(--blue);margin:-7px 0 0}.form-error{color:#b3261e;background:#fff0ee;border-radius:8px;padding:10px 14px;font-size:13px;margin:12px 0}.auth-modal .form-error{margin:0}.editor-page{max-width:1360px}.editor-heading{display:flex;justify-content:space-between;gap:20px;align-items:center}.editor-heading .back-link{margin-bottom:12px}.editor-heading h1{font-size:30px;margin-bottom:8px}.editor-actions{display:flex;gap:10px;align-items:center}.save-status{display:flex;align-items:center;gap:4px;color:#8c9aab;font-size:12px;margin-right:8px}.guest-editor{display:flex;justify-content:space-between;gap:16px;font-size:13px;background:#fff8e6;color:#97772e;border-radius:8px;padding:12px 18px;margin-bottom:16px}.rotate{transform:rotate(180deg)}.editor-form{border:1px solid var(--border);border-radius:12px;overflow:hidden}.title-input{width:100%;border:0;border-radius:0;font-size:26px;font-weight:550;padding:25px}.title-input:focus{outline-offset:-3px}.editor-metadata{display:grid;grid-template-columns:1fr 1.3fr 1.2fr;gap:18px;padding:3px 25px 23px}.editor-metadata label{font-size:12px;color:#7f8b9b}.editor-metadata input,.editor-metadata select{font-size:13px;padding:9px 10px}.editor-toolbar{border-top:1px solid var(--border);border-bottom:1px solid var(--border);padding:8px 14px;background:#f8fafd;display:flex;align-items:center;justify-content:space-between;gap:10px}.toolbar-tools{display:flex;gap:3px}.toolbar-tools .icon-button{border-radius:6px}.segmented{display:flex;background:#edf1f7;border-radius:6px;padding:3px}.segmented button{font-size:12px;padding:5px 14px;border-radius:4px;color:#7a899d}.segmented button.active{background:#fff;color:var(--blue);box-shadow:0 1px 4px #26395a12}.editor-panes{display:grid;grid-template-columns:1fr 1fr;min-height:480px}.editor-panes.edit,.editor-panes.preview{grid-template-columns:1fr}.editor-source{border-right:1px solid var(--border);display:flex;flex-direction:column;min-width:0}.pane-label{font-size:12px;letter-spacing:1.2px;padding:15px 22px;display:flex;align-items:center;gap:8px;color:#95a2b5}.editor-source textarea{border:0;border-radius:0;width:100%;min-height:435px;flex:1;padding:0 23px 25px;resize:vertical;line-height:1.85;font-family:Cascadia Code,Consolas,Microsoft YaHei UI,monospace;font-size:14px;color:#53677f}.editor-source textarea:focus{outline-offset:-2px}.editor-preview{min-width:0;max-height:700px;overflow:auto}.editor-preview .markdown{padding:5px 25px 30px;font-size:14px}.editor-preview .markdown h2{font-size:20px}.editor-status{padding:10px 22px;background:#fafbfd;border-top:1px solid var(--border);font-size:12px;color:#8d9aac;display:flex;justify-content:space-between;gap:20px}.editor-bottom{display:flex;gap:24px;align-items:flex-start;margin-top:22px}.attachment-panel{border:1px dashed #d5deea;border-radius:10px;padding:20px;display:flex;align-items:center;gap:24px;flex-wrap:wrap;flex:1;min-width:0}.attachment-panel>div{flex:1}.attachment-panel h3{display:flex;align-items:center;gap:7px;font-size:15px;margin-bottom:5px}.attachment-panel p{font-size:12px;color:#8d9bad;margin:0}.attachment-panel ul{list-style:none;padding:0;margin:0;width:100%}.attachment-panel li{display:flex;gap:10px;align-items:center;font-size:12px;padding:8px 0;border-top:1px solid var(--border)}.attachment-panel li>span{flex:1;overflow-wrap:anywhere}.attachment-panel li small{color:#8a98ab;font-size:12px}.plus-icon{font-size:20px;line-height:1}.export-draft{padding:12px;font-size:12px;flex-shrink:0}.profile-header{display:flex;gap:19px;align-items:center;padding-bottom:30px;border-bottom:1px solid var(--border);margin-bottom:35px}.large-avatar{height:65px;width:65px;font-size:25px}.profile-header>div{flex:1}.profile-header h1{font-size:25px;margin:0 0 5px;display:flex;gap:12px;align-items:center}.profile-header p{font-size:13px;color:#7a889b;margin:0}.profile-header p>span{font-size:12px;color:#97a3b4}.workspace-layout{display:grid;grid-template-columns:205px minmax(0,1fr);gap:40px}.workspace-nav{display:flex;flex-direction:column;gap:5px;align-self:start}.workspace-nav button,.workspace-nav>a{display:flex;align-items:center;gap:11px;padding:13px 15px;text-align:left;border-radius:8px;font-size:13px;color:#7c8a9d}.workspace-nav button.active{color:var(--blue);background:#edf4ff;font-weight:600}.workspace-nav button:hover,.workspace-nav>a:hover{background:#f5f8fc}.workspace-nav-divider{height:1px;background:var(--border);margin:15px 0}.count{background:#dceafe;color:var(--blue);padding:0 6px;border-radius:10px;font-size:12px;margin-left:auto}.workspace-content{min-width:0}.workspace-content h2{font-size:21px}.workspace-content h2 small{font-weight:400;font-size:14px;margin-left:7px;color:#95a0b0}.workspace-content .article-grid{margin-top:20px}.submission-row{display:flex;gap:14px;align-items:center;border:1px solid var(--border);border-radius:11px;padding:20px;margin-bottom:13px}.submission-row>div{flex:1;min-width:0}.submission-row h3{font-size:16px;margin:0 0 6px;overflow-wrap:anywhere}.submission-row p{font-size:12px;color:#8b98aa;margin:0;display:flex;align-items:center;flex-wrap:wrap;gap:9px}.status{padding:2px 7px;border-radius:5px;font-size:12px}.status.pending{color:#a06c17;background:#fff5de}.status.published{color:#188038;background:#eaf5ee}.status.rejected{color:#b44234;background:#fdefeb}.review-reason{font-size:12px;background:#fff5eb;color:#a87543;margin-top:12px;padding:8px 12px;border-radius:6px}.notification-row{display:flex;gap:16px;align-items:center;border-bottom:1px solid var(--border);padding:23px 15px;border-radius:7px}.notification-row>div{flex:1;min-width:0}.notification-row strong{font-size:14px;font-weight:500;overflow-wrap:anywhere}.notification-row p{font-size:12px;color:#94a1b4;margin:5px 0 0}.notification-row>svg{color:#94a1b4}.notification-row.unread{background:#f6f9ff}.settings-form{display:flex;flex-direction:column;gap:20px;max-width:460px;margin:25px 0 40px}.settings-form .button{align-self:flex-start}.settings-form input:disabled{background:#f6f8fb;color:#98a3b1}.settings-form>p{margin:0;font-size:12px}.admin-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin:28px 0}.admin-stats>div{border:1px solid var(--border);border-radius:12px;padding:23px;display:grid;grid-template-columns:1fr auto;gap:8px}.admin-stats svg{color:#7c9fcf;grid-column:2;grid-row:1/3;align-self:center}.admin-stats span{font-size:12px;color:#8b98aa;grid-column:1;grid-row:1}.admin-stats strong{font-size:27px;color:#394b63;font-weight:600;grid-column:1;grid-row:2}.review-panel{padding:25px;border:1px solid #c3d8f4;background:#fff;border-radius:13px;margin-top:25px}.review-panel .markdown{max-height:600px;overflow:auto;background:#fafbfd;border-radius:8px;padding:24px;margin-bottom:22px}.review-actions{display:flex;justify-content:flex-end;gap:12px;margin-top:16px}.problem-form{display:flex;flex-direction:column;gap:19px}.form-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.problem-form>.button{align-self:flex-start}.report-row{display:flex;gap:15px;align-items:center;padding:23px;border:1px solid var(--border);border-radius:10px;margin-top:14px}.report-row>div{flex:1;min-width:0}.report-row strong{font-size:13px}.report-row p{font-size:14px;margin:8px 0;overflow-wrap:anywhere}.report-row small{color:#8c99aa;font-size:12px}@media(min-width:1450px){.hero{padding-top:70px;padding-bottom:42px}.hero h1{font-size:48px}.topic-strip{margin-bottom:48px}}@media(max-width:1100px){.header-inner{padding:0 25px;gap:28px}.nav{gap:21px}.header-actions{gap:12px}.home-columns{grid-template-columns:minmax(0,1fr) 250px;gap:25px}.container{padding-left:26px;padding-right:26px}.start-card{padding:20px}.article-meta{flex-wrap:wrap}.reading-time{margin-left:0}.save-button{margin-left:auto}.topic-strip>a{gap:7px;font-size:12px}.topic-strip .topic-icon{width:33px;height:33px;border-radius:9px}.topic-strip .topic-icon svg{width:19px}.footer-links{gap:15px}.reading-layout{gap:26px;grid-template-columns:minmax(0,1fr) 240px}.editor-heading{align-items:flex-start}.editor-actions{flex-wrap:wrap;justify-content:flex-end}.save-status{width:100%;justify-content:flex-end}.bordered .problem-right>span{display:none}}@media(max-width:850px){.header-inner{gap:22px}.nav{gap:18px}.write-link{display:none}.brand{font-size:20px}.home-columns{grid-template-columns:1fr}.home-aside{display:grid;grid-template-columns:1fr 1fr;gap:25px}.contribute-card{padding:20px}.community-note{display:none}.start-card ol{padding-bottom:10px}.hero{padding-top:42px}.hero h1{font-size:36px}.topic-strip{grid-template-columns:repeat(3,1fr);row-gap:22px;padding:22px 10px}.topic-strip>a:nth-child(3){border:0}.three,.topics-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.reading-layout{grid-template-columns:1fr}.reading-aside{display:grid;grid-template-columns:1fr 1fr;gap:18px}.reading-aside .aside-box:last-child{display:none}.reading-main{max-width:none}.footer{flex-direction:column;gap:22px}.workspace-layout{grid-template-columns:170px minmax(0,1fr);gap:22px}.workspace-nav button,.workspace-nav>a{font-size:12px;padding:12px 10px}.workspace-content .article-grid{grid-template-columns:1fr}.submission-row{flex-wrap:wrap;padding:16px}.submission-row>div{flex-basis:60%}.editor-metadata{grid-template-columns:1fr 1fr}.editor-metadata>label:last-child{grid-column:1/-1}.editor-heading{flex-direction:column;gap:4px}.editor-actions{width:100%;justify-content:flex-start}.save-status{width:auto;order:3;margin-left:auto}.editor-panes.split{grid-template-columns:1fr}.editor-panes.split .editor-source{border-right:0;border-bottom:1px solid var(--border)}.editor-panes.split .editor-source textarea{min-height:300px}.editor-preview{max-height:500px}.editor-bottom{flex-direction:column;gap:8px}.attachment-panel{width:100%}.admin-stats{gap:12px}.admin-stats>div{padding:17px}.admin-stats svg{display:none}.report-row{flex-wrap:wrap}.report-row>div{flex-basis:100%}}@media(max-width:620px){.site-header{height:66px}.header-inner{padding:0 18px;gap:10px}.brand{font-size:19px;gap:6px}.brand-mark{width:28px;font-size:37px;height:32px}.header-actions{gap:8px}.header-actions>.button{font-size:12px;padding:8px 12px;min-height:36px}.mobile-menu{display:inline-flex}.nav{display:none;position:absolute;top:65px;left:0;right:0;background:#fff;border-bottom:1px solid var(--border);padding:12px 18px;box-shadow:0 8px 10px #20304008;justify-content:space-around;gap:10px}.nav.open{display:flex}.nav>a{font-size:13px;padding:8px 0}.nav>a.active:after{height:2px}.container{padding-left:18px;padding-right:18px}.page{padding-top:28px;padding-bottom:42px}.hero{padding:37px 18px 25px}.hero-kicker{font-size:12px;letter-spacing:1px;margin-bottom:17px}.hero h1{font-size:29px;letter-spacing:-1px;margin-bottom:14px}.hero>p{font-size:12px;line-height:1.9;max-width:320px;margin:0 auto 24px}.searchbox-large{min-height:52px;padding-left:18px}.searchbox input{font-size:13px}.search-submit{width:34px;height:34px}.hot-search{gap:12px;font-size:12px;margin-top:15px}.hot-search a{gap:1px}.hot-search a svg{display:none}.topic-strip{margin:5px 0 29px;gap:17px 0;padding:18px 5px}.topic-strip>a{font-size:12px;gap:7px}.topic-strip .topic-icon{width:29px;height:29px;border-radius:8px}.topic-strip .topic-icon svg{width:17px}.section-heading{gap:12px;margin-bottom:16px}.section-heading h2{font-size:20px}.section-kicker{font-size:12px;letter-spacing:1.3px;margin-bottom:5px}.section-heading .text-link{font-size:12px;gap:4px}.section-tabs>span{font-size:12px}.section-tabs button{font-size:12px}.section-tabs>div{gap:24px}.problem-row{padding:18px 0;gap:12px}.problem-letter{width:40px;height:43px;border-radius:10px;font-size:22px}.eyebrow{font-size:12px;gap:5px}.problem-title{font-size:14px;line-height:1.7;margin-bottom:6px}.sample-tag{font-size:12px;padding:0 3px}.tags{gap:4px}.tags span{font-size:12px;padding:1px 5px}.home-problems .problem-right{display:none}.article-grid,.three{grid-template-columns:1fr}.article-card{display:grid;grid-template-columns:90px minmax(0,1fr);border-radius:11px}.article-art,.three .article-art{height:100%;padding:16px 10px;flex-direction:column;justify-content:center;gap:9px}.article-art>.topic-icon{width:42px;height:42px;border-radius:12px}.article-art>.topic-icon svg{width:27px}.article-art>span:nth-child(2){font-size:12px;letter-spacing:0;max-width:100%;overflow-wrap:anywhere;text-align:center}.article-art>small{display:none}.article-copy{padding:14px}.article-copy>p{font-size:12px;min-height:0;line-height:1.9;margin-bottom:10px}.article-title{font-size:15px;margin-bottom:7px}.article-meta{font-size:12px;gap:4px}.mini-avatar{display:none}.reading-time{margin-left:auto}.reading-time svg{display:none}.save-button{margin-left:0;height:24px;width:24px}.article-copy .eyebrow{font-size:12px}.article-grid{gap:14px}.home-aside{grid-template-columns:1fr;gap:8px}.start-card{padding:22px}.start-card>p br{display:none}.start-card ol{display:grid;grid-template-columns:1fr 1fr;gap:2px 20px}.start-card li>a{font-size:12px}.start-card li>span{width:20px;height:20px;line-height:20px;font-size:12px}.start-card li{gap:7px}.start-card li>a svg{display:none}.start-card h3{font-size:20px;margin-top:13px}.contribute-card{padding:24px 4px}.contribute-card p br{display:none}.contribute-icon{float:left;margin-right:14px;margin-bottom:40px}.preview-line{font-size:12px;text-align:left;align-items:flex-start;line-height:1.8}.preview-line svg{margin-top:3px}.footer{padding:25px 18px 55px}.footer-links{gap:15px;flex-wrap:wrap;font-size:12px}.footer-links>span{margin-left:0;width:100%}.preview-badge{left:12px;bottom:9px;font-size:12px}.page-heading h1{font-size:29px}.page-heading p{font-size:13px}.heading-with-action{align-items:flex-start;gap:12px}.heading-with-action>.button{font-size:12px;padding:8px 11px;margin-top:12px;min-height:38px}.filter-panel{padding:12px}.filter-row{gap:8px;padding:7px 0}.filter-row>span{font-size:12px;width:28px}.filter-row>div{gap:3px}.filter-row button{font-size:12px;padding:5px 9px}.results-heading{font-size:12px}.results-heading>div{gap:7px}.results-heading select{font-size:12px;max-width:118px}.results-heading .text-button{font-size:12px}.bordered .problem-row{padding:17px 12px;gap:10px}.bordered .problem-right .icon-button:first-of-type{display:none}.bordered .problem-right{margin-left:-4px}.bordered .problem-right .icon-button{width:22px}.preview-note{font-size:12px;padding:10px 12px}.category-tabs{gap:22px;margin:22px 0}.category-tabs button{font-size:12px}.topics-grid{gap:12px}.topic-card{padding:20px 15px;border-radius:12px}.topic-card>.topic-icon{height:42px;width:42px;border-radius:12px;margin-bottom:17px}.topic-card>.topic-icon svg{width:24px}.topic-card h2{font-size:16px;letter-spacing:0}.topic-card p{font-size:12px;line-height:1.8;min-height:39px}.topic-card>div{font-size:12px;margin-top:15px;padding-top:13px}.topic-number{font-size:12px;right:13px;top:20px}.reading-main>h1{font-size:27px}.article-subtitle{font-size:14px}.article-byline{gap:8px}.article-byline strong{font-size:12px}.article-byline>div>span{font-size:12px}.bookmark-action{font-size:12px;padding:8px 11px;min-height:38px}.markdown{font-size:15px;line-height:1.95}.markdown h2{font-size:21px}.markdown pre{font-size:12px;padding:15px}.markdown td,.markdown th{padding:9px 12px;font-size:12px}.reading-aside{grid-template-columns:1fr}.reading-aside .aside-box{margin:0}.comments h2{font-size:20px}.comment-submit{align-items:flex-start}.comment-submit small{font-size:12px;max-width:165px}.comment-submit .button{font-size:12px;padding:9px 13px;min-height:39px}.comment.reply{margin-left:20px}.comment .avatar{width:30px;height:30px;font-size:12px}.comment-byline{font-size:12px;gap:10px}.comment p{font-size:13px}.problem-detail-head{flex-wrap:wrap;gap:13px;align-items:flex-start}.problem-detail-head>.problem-letter{height:49px;width:45px;font-size:27px;border-radius:11px;margin-top:3px}.problem-detail-head>div:nth-child(2){flex-basis:calc(100% - 60px)}.problem-detail-head h1{font-size:23px;margin-bottom:10px}.problem-detail-head>.button{margin-left:58px;font-size:12px;min-height:36px;padding:7px 12px}.content-panel{padding:20px}.content-panel h2{font-size:18px}.content-panel p{font-size:14px}.download-row{flex-wrap:wrap;gap:10px}.download-row strong{font-size:12px}.download-row .button{margin-left:54px}.auth-modal{padding:28px 23px}.auth-modal h2{font-size:22px}.auth-modal .brand{margin-bottom:20px}.auth-modal label{font-size:13px}.auth-modal input{font-size:14px}.profile-header{gap:12px;flex-wrap:wrap}.large-avatar{width:50px;height:50px;font-size:20px}.profile-header>div{flex-basis:70%}.profile-header h1{font-size:21px;gap:8px}.profile-header .small-pill{font-size:12px;padding:2px 6px}.profile-header p{font-size:12px;overflow-wrap:anywhere}.profile-header p>span{display:block;font-size:12px}.profile-header>.button{font-size:12px;margin-left:62px;padding:8px 14px;min-height:38px}.workspace-layout{grid-template-columns:1fr;gap:20px}.workspace-nav{display:grid;grid-template-columns:repeat(4,1fr);gap:5px}.workspace-nav button,.workspace-nav>a{font-size:12px;padding:10px 4px;gap:5px;justify-content:center;flex-direction:column}.workspace-nav svg{width:17px}.workspace-nav-divider{display:none}.workspace-nav button:nth-last-child(-n+2),.workspace-nav>a{font-size:12px;flex-direction:row;grid-column:auto}.workspace-nav>.count{margin:0}.workspace-nav button:last-child{grid-column:4}.workspace-nav button:nth-last-child(2){grid-column:2/4}.workspace-nav .count{position:absolute;margin-left:40px;transform:translateY(-12px)}.submission-row{gap:10px}.submission-row h3{font-size:14px}.submission-row p,.submission-row .button{font-size:12px}.notification-row{padding:18px 10px;gap:10px}.notification-row strong{font-size:12px}.editor-heading h1{font-size:26px}.editor-actions{gap:8px}.editor-actions .button{font-size:12px;padding:9px 12px;min-height:40px}.save-status{font-size:12px;margin-left:0;margin-right:0}.title-input{font-size:21px;padding:20px 16px}.editor-metadata{grid-template-columns:1fr;padding:0 16px 18px;gap:12px}.editor-metadata>label:last-child{grid-column:auto}.editor-metadata label{font-size:12px}.editor-toolbar{flex-direction:column;align-items:stretch;padding:8px}.toolbar-tools{justify-content:space-around;gap:1px}.toolbar-tools .icon-button{width:33px;height:34px}.segmented{justify-content:stretch}.segmented button{flex:1}.editor-preview .markdown{padding:3px 18px 25px}.editor-source textarea{padding:0 16px 20px;font-size:12px}.editor-status{font-size:12px;padding:10px 12px;flex-wrap:wrap;gap:4px}.editor-bottom{margin-top:16px}.attachment-panel{padding:16px;gap:12px}.attachment-panel h3{font-size:13px}.attachment-panel p{font-size:12px}.attachment-panel>.button{font-size:12px;min-height:36px;padding:8px 12px}.attachment-panel>div{flex-basis:100%}.guest-editor{font-size:12px;align-items:center}.guest-editor .text-button{font-size:12px;white-space:nowrap}.admin-stats{grid-template-columns:1fr 1fr}.admin-stats>div{padding:15px}.admin-stats span{font-size:12px}.admin-stats strong{font-size:24px}.admin-stats svg{display:block;width:19px}.form-grid{grid-template-columns:1fr 1fr}.review-panel{padding:17px}.review-panel h2{font-size:18px}.review-panel .markdown{padding:16px}.review-panel .button{font-size:12px;padding:9px 12px}.toast{font-size:12px;padding:12px 15px;width:max-content;line-height:1.7}.empty{padding:30px 15px}.empty p{font-size:13px}}.article-copy>p,.start-card>p,.contribute-card p,.aside-box p{font-size:14px}.hero>p{font-size:16px}.article-meta{flex-wrap:wrap}.editor-metadata label,.filter-row button,.category-tabs button,.start-card li>a,.workspace-nav button,.workspace-nav>a{font-size:14px}.section-kicker{font-size:12px;letter-spacing:1.3px}.community-note p,.footer p,.preview-line,.article-copy .eyebrow,.article-meta,.eyebrow,.tags span,.tags a,.article-meta .mini-avatar{font-size:12px}.hot-search{flex-wrap:wrap}.editor-preview .markdown{font-size:16px}.preview-badge{font-size:12px}.section-tabs>span{font-size:12px}.topic-strip>a{font-size:14px}.filter-row>span{font-size:14px}.footer-links{font-size:12px}.comment-controls button{min-height:32px}.icon-button{min-width:32px;min-height:32px}@media(max-width:620px){.hero>p{font-size:14px}.topic-strip>a{font-size:12px}.article-copy>p{font-size:13px}.article-copy .eyebrow,.article-meta,.eyebrow{font-size:12px}.article-meta{gap:5px}.article-meta .reading-time{margin-left:0}.article-meta .save-button{margin-left:auto}.article-copy{padding:13px}.article-card{grid-template-columns:78px minmax(0,1fr)}.article-art{padding:12px 7px}.start-card ol{grid-template-columns:1fr}.start-card li>a{font-size:14px}.start-card li>a svg{display:block}.workspace-nav button,.workspace-nav>a{font-size:12px}.workspace-nav button:nth-last-child(-n+2),.workspace-nav>a{font-size:12px}.workspace-nav button:nth-last-child(2){flex-wrap:wrap}.editor-actions{flex-wrap:wrap}.save-status{width:100%;justify-content:flex-start}.hot-search{gap:10px}.profile-header h1,.guest-editor{flex-wrap:wrap}.article-meta>span:nth-child(2){flex-basis:100%}.preview-badge{position:static;width:max-content;max-width:calc(100% - 24px);margin:12px auto}.toast{bottom:20px}.editor-status,.comment-submit small{font-size:12px}.editor-source textarea{font-size:14px}.bordered .problem-row{align-items:flex-start}.problem-right{padding-top:24px}.filter-row{gap:10px}.results-heading>div{flex-wrap:wrap;justify-content:flex-end}.results-heading{align-items:flex-start}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}.shop-filters{display:grid;grid-template-columns:minmax(280px,1fr) auto;gap:14px;align-items:end;margin:28px 0 14px}.shop-filters label,.identity-switcher label,.admin-section label{display:grid;gap:7px;font-size:13px;color:var(--muted)}.shop-search{position:relative}.shop-search>svg{position:absolute;left:15px;bottom:14px;color:#788693}.shop-search input{padding-left:43px}.shop-list{display:grid;gap:14px;margin-top:20px}.shop-card{display:grid;grid-template-columns:48px minmax(0,1fr) auto;gap:17px;align-items:center;padding:21px 22px;border:1px solid var(--line);border-radius:10px;background:#fff}.shop-card-icon{display:grid;place-items:center;width:46px;height:46px;border-radius:8px;background:#eef5fb;color:var(--blue)}.shop-card-title{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.shop-card-title h2{font-size:18px;margin:0}.shop-card-title>span{font-size:12px;color:#687784;background:#f1f3f5;padding:3px 7px;border-radius:3px}.shop-card p{margin:7px 0;color:#66727e;font-size:14px}.shop-card-meta{display:flex;align-items:center;gap:9px;flex-wrap:wrap;color:#75808a;font-size:12px}.shop-card-meta>span{display:inline-flex;align-items:center;gap:4px}.shop-rating{display:inline-flex;color:#efaa24;gap:1px}.sentiment-count{padding:2px 7px;border-radius:3px}.sentiment-count.positive{background:#edf7f1;color:#26724a}.sentiment-count.negative{background:#fff0ef;color:#a03a36}.shop-detail-head{display:flex;justify-content:space-between;gap:24px;align-items:flex-start;margin:25px 0}.shop-detail-head h1{font-size:34px;margin:10px 0}.shop-detail-head p{color:#697581}.shop-score-panel{display:flex;align-items:center;gap:16px;background:#f4f8fb;border:1px solid #dce8f2;padding:22px;border-radius:10px}.shop-score-panel>strong{font-size:35px}.shop-score-panel>div{display:grid;gap:5px}.shop-score-panel>div>strong{font-size:20px}.shop-score-panel>div>span{font-size:13px;color:#667481}.shop-score-panel>svg{margin-left:auto;color:var(--blue)}.review-sentiment-tabs{margin:20px 0}.public-review,.historical-review,.my-shop-review,.shop-review-admin{border:1px solid var(--line);border-radius:9px;padding:20px;margin-top:13px;background:#fff}.public-review>div:first-child{display:flex;align-items:center;gap:12px}.public-review time{margin-left:auto;color:#79838b;font-size:12px}.public-review dl,.shop-review-admin dl{display:grid;grid-template-columns:70px minmax(0,1fr);gap:9px;margin:17px 0 0;min-width:0}.public-review dt,.shop-review-admin dt{font-weight:600;color:#586673}.public-review dd,.shop-review-admin dd{margin:0;white-space:pre-wrap;overflow-wrap:anywhere;min-width:0}.historical-review .status{display:inline-block;margin-bottom:8px}.historical-review.positive{border-left:3px solid #48a879}.historical-review.negative{border-left:3px solid #d96762}.historical-review.neutral{border-left:3px solid #9aa4ad}.historical-review small{color:#6d7780}.public-review,.historical-review,.shop-review-admin,.my-shop-review,.admin-account-main,.admin-account-main *{min-width:0;overflow-wrap:anywhere}.review-form-panel{display:grid;grid-template-columns:minmax(200px,.75fr) minmax(0,1.25fr);gap:38px;padding:30px;margin:42px 0;background:#f7f9fb;border-radius:10px}.review-form-panel>div p{color:#6d7883;line-height:1.8}.review-form-panel form{display:grid;gap:15px}.review-form-panel label{display:grid;gap:7px;font-size:14px}.review-form-panel small{color:#737e87;line-height:1.6}.file-metadata{display:flex;gap:8px;align-items:center;border:1px dashed #b8c5d0;border-radius:7px;padding:12px;background:#fff}.identity-switcher{display:flex;align-items:center;justify-content:space-between;gap:22px;margin:20px 0;padding:18px 20px;border:1px solid #d9e5ef;background:#f6f9fc;border-radius:9px}.identity-switcher>div{display:grid;gap:5px}.identity-switcher span{font-size:12px;color:#657481}.demo-identity-actions{display:flex;justify-content:center;flex-wrap:wrap;gap:10px}.admin-section{margin-top:25px}.security-boundary{display:flex;gap:12px;align-items:flex-start;background:#fff6e8;border:1px solid #f1d5a8;border-radius:8px;padding:14px 16px;margin:16px 0}.security-boundary svg{flex:none;color:#9a6312}.security-boundary p{margin:0;font-size:13px;line-height:1.7}.shop-review-admin header{display:flex;justify-content:space-between;gap:15px;margin-bottom:14px}.shop-review-admin header>div{display:flex;align-items:center;gap:10px}.shop-review-admin header small{color:#727d86}.shop-review-admin>p{white-space:pre-wrap}.source-label{display:flex;align-items:center;gap:6px;color:#6b7680;font-size:13px}.review-facts{display:flex;gap:14px;flex-wrap:wrap;padding:10px 12px;background:#f5f7f8;font-size:12px;color:#5e6c78}.review-facts span{display:flex;align-items:center;gap:4px}.admin-create-form{display:grid;gap:16px}.admin-create-form fieldset{border:0;padding:0;margin:0}.admin-create-form legend{font-weight:600;margin-bottom:9px}.permission-checks{display:flex;gap:14px;flex-wrap:wrap}.permission-checks label{display:flex;align-items:center;gap:6px;font-size:13px;color:#53616c}.permission-checks input{width:auto}.admin-account-list{display:grid;gap:10px;margin-top:18px}.admin-account-list>article{display:grid;grid-template-columns:minmax(220px,1fr) 1.5fr auto;gap:18px;align-items:center;padding:16px;border:1px solid var(--line);border-radius:8px}.admin-account-list>article.disabled{opacity:.62;background:#f5f5f5}.admin-account-main{display:flex;align-items:center;gap:12px}.admin-account-main p{font-size:12px;color:#717d87;margin:4px 0 0}.audit-list{border-top:1px solid var(--line)}.audit-list>div{display:grid;grid-template-columns:34px minmax(0,1fr) auto;gap:12px;align-items:center;padding:14px 0;border-bottom:1px solid var(--line)}.audit-list p{margin:4px 0 0;color:#6f7a84;font-size:13px}.audit-list small{color:#7b858d}.my-shop-review>div:first-child{display:flex;gap:10px;align-items:center}.my-shop-review>p{color:#596773}.my-shop-review>small{display:block;color:#707b84;margin:8px 0}@media(max-width:850px){.shop-filters{grid-template-columns:minmax(0,1fr) auto}.shop-search{grid-column:auto}.review-form-panel{grid-template-columns:1fr}.admin-account-list>article{grid-template-columns:1fr}.identity-switcher{align-items:flex-start;flex-direction:column}}@media(max-width:620px){.shop-filters{grid-template-columns:1fr}.shop-search{grid-column:auto}.shop-card{grid-template-columns:42px minmax(0,1fr);padding:16px}.shop-card>.button{grid-column:2;justify-self:start}.shop-detail-head{display:block}.shop-detail-head>.button{margin-top:14px}.shop-detail-head h1{font-size:28px}.review-form-panel{padding:20px;gap:20px}.public-review dl,.shop-review-admin dl{grid-template-columns:1fr;gap:4px}.public-review dd,.shop-review-admin dd{margin-bottom:8px}.shop-review-admin header{display:grid}.audit-list>div{grid-template-columns:30px 1fr}.audit-list small{grid-column:2}.review-sentiment-tabs{overflow-x:auto;flex-wrap:nowrap}.review-sentiment-tabs button{white-space:nowrap}}.searchbox .search-submit{width:auto;min-width:86px;height:42px;padding:0 22px;border-radius:10px;white-space:nowrap;line-height:1;background:#c2410c;color:#fff}.searchbox .search-submit:hover{background:#9a3412}.shop-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-top:24px}.shop-grid>.shop-card{display:flex;flex-direction:column;align-items:flex-start;gap:10px;min-width:0;padding:24px;border:1px solid #dbe3ef;border-radius:16px;text-decoration:none;color:#172033;background:#fff}.shop-grid>.shop-card h2,.shop-grid>.shop-card h3{margin:0;font-size:21px;line-height:1.35;overflow-wrap:anywhere}.shop-grid>.shop-card p{margin:0;color:#596579}.sentiment-counts{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}.sentiment-counts span{padding:4px 9px;border-radius:999px;background:#f1f5f9;color:#334155;font-size:13px}.sentiment-counts span:first-of-type{background:#eff6ff;color:#1d4ed8}.sentiment-counts span:last-of-type{background:#fff7ed;color:#9a3412}.sentiment-counts button{min-height:38px;padding:7px 14px;border:1px solid #cbd5e1;border-radius:999px;background:#fff;cursor:pointer}.sentiment-counts button.selected{border-color:#2563eb;background:#eff6ff;color:#1d4ed8;font-weight:700}.section-block{padding-block:42px}.section-block .empty{min-height:150px;padding:28px}.empty{min-height:180px}.topic-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.topic-card{padding:24px;border:1px solid #dbe3ef;border-radius:16px;color:inherit;text-decoration:none}.topic-card>img{display:block;width:100%;height:190px;object-fit:cover;border-radius:10px;margin-bottom:16px}@media(max-width:620px){.topic-card>img{height:140px}}.topic-card h2{margin-top:0}.topic-card span{display:flex;align-items:center;gap:6px;color:var(--blue);font-weight:700}.span-2{grid-column:1/-1}@media(max-width:850px){.shop-grid,.topic-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:560px){.searchbox .search-submit{min-width:68px;padding-inline:14px}.shop-grid,.topic-grid{grid-template-columns:1fr}.section-block{padding-block:28px}.section-block .empty{min-height:120px}.sentiment-counts{gap:6px}}.workspace{display:grid;grid-template-columns:230px minmax(0,1fr);gap:32px;padding-block:42px;align-items:start;min-height:650px}.workspace>aside{position:sticky;top:90px;display:flex;flex-direction:column;gap:7px;padding:18px;background:#f8fafc;border:1px solid #dbe3ef;border-radius:16px}.profile-chip{display:grid;grid-template-columns:44px minmax(0,1fr);align-items:center;gap:11px;min-width:0;padding:2px 2px 12px;border-bottom:1px solid #dbe3ef;margin-bottom:5px}.profile-chip .avatar{width:44px;height:44px}.profile-chip-copy{display:grid;gap:2px;min-width:0}.profile-chip-copy strong,.profile-chip-copy small{min-width:0;overflow-wrap:anywhere}.profile-chip-copy strong{color:#1e293b;line-height:1.35}.profile-chip-copy small{color:#64748b;line-height:1.4}.workspace>aside h2{margin:0 0 10px;font-size:19px}.workspace>aside>button{width:100%;min-height:42px;padding:9px 12px;border:0;border-radius:9px;background:transparent;color:#334155;text-align:left;cursor:pointer}.workspace>aside>button:hover{background:#eaf2ff;color:#1d4ed8}.workspace>aside>button.active{background:#2563eb;color:#fff;font-weight:700}.workspace-main{min-width:0}.workspace-main>h1{margin-top:0}.workspace-main>.chips{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 22px}.workspace-main>.chips button{min-height:38px;padding:7px 14px;border:1px solid #cbd5e1;border-radius:999px;background:#fff;cursor:pointer}.workspace-main>.chips button.selected{border-color:#2563eb;background:#eff6ff;color:#1d4ed8;font-weight:700}.workspace-main>.empty{min-height:220px}.record-list article .markdown{margin-block:14px;padding:16px;background:#f8fafc;border-radius:10px}.record-list article .button{margin-top:10px;margin-right:8px}.moderation-list{gap:10px}.record-list .moderation-item{display:block;padding:0;overflow:hidden;background:#fff;transition:border-color .16s,box-shadow .16s}.moderation-row{display:grid;grid-template-columns:minmax(0,1fr) auto auto;align-items:center;gap:16px;width:100%;min-height:76px;padding:14px 16px;border:0;background:transparent;color:inherit;text-align:left;cursor:pointer;transition:background-color .16s}.moderation-row:hover{background:#f8fbff}.moderation-row:focus-visible{outline:3px solid #60a5fa;outline-offset:-3px}.moderation-row-copy{display:grid;min-width:0;gap:6px}.moderation-row-copy>strong{overflow:hidden;color:#1e293b;font-size:16px;line-height:1.4;text-overflow:ellipsis;white-space:nowrap}.moderation-badges,.moderation-meta,.moderation-detail-actions{display:flex;align-items:center;flex-wrap:wrap;gap:8px}.moderation-badges{flex:0 0 auto;justify-content:flex-end}.moderation-meta{color:#64748b;font-size:12px;line-height:1.45}.moderation-meta>*+*:before{content:"·";margin-right:8px;color:#94a3b8}.moderation-row-view{display:inline-flex;align-items:center;gap:4px;color:#2563eb;font-size:13px;font-weight:700;white-space:nowrap}.moderation-row-view svg{width:17px;height:17px}.moderation-detail-heading{display:flex;align-items:flex-start;gap:18px;margin-bottom:20px}.moderation-detail-heading h1{margin:4px 0 0;overflow-wrap:anywhere}.moderation-back{flex:0 0 auto;margin:0}.moderation-back svg{width:18px;height:18px}.moderation-detail-view{display:grid;gap:20px;padding:22px;border:1px solid #dbe3ee;border-radius:14px;background:#fff;box-shadow:0 2px 10px #0f172a0a}.moderation-detail-status{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;padding-bottom:16px;border-bottom:1px solid #e2e8f0}.moderation-details{display:grid;gap:14px;min-width:0}.moderation-detail-view .moderation-details .markdown{margin:0;padding:18px;border-radius:10px;background:#f8fafc}.moderation-field-list{display:grid;gap:8px;padding:14px;border-radius:10px;background:#f8fafc}.moderation-field-list p{margin:0;color:#334155;line-height:1.6;overflow-wrap:anywhere}.moderation-details .attachments{padding:14px;border:1px solid #e2e8f0;border-radius:10px}.moderation-detail-actions{padding-top:16px;border-top:1px solid #e2e8f0}.moderation-detail-actions .button{min-height:44px;margin:0}@media(max-width:560px){.moderation-row{grid-template-columns:minmax(0,1fr) auto;gap:10px;min-height:72px;padding:12px 13px}.moderation-row-copy>strong{white-space:normal}.moderation-badges{justify-content:flex-start}.moderation-row .moderation-badges{justify-content:flex-end}.moderation-row-view{grid-column:1/-1;justify-content:flex-end;min-height:24px}.moderation-meta>*+*:before{content:none}.moderation-meta>*{display:inline-flex;align-items:center}.moderation-meta>*:not(:last-child):after{content:"·";margin-left:8px;color:#94a3b8}.moderation-detail-heading{display:grid;gap:12px}.moderation-back{width:max-content;min-height:44px}.moderation-detail-view{gap:16px;padding:14px}.moderation-detail-status{display:grid;gap:10px}.moderation-detail-view .moderation-details .markdown{padding:12px}.moderation-detail-actions{align-items:stretch}.moderation-detail-actions .button{flex:1 1 calc(50% - 4px);white-space:normal}}@media(max-width:760px){.workspace{grid-template-columns:1fr;padding-block:24px}.workspace>aside{position:static;display:grid;grid-template-columns:repeat(3,1fr)}.workspace>aside h2,.workspace>aside .profile-chip,.workspace>aside .admin-link{grid-column:1/-1}.workspace>aside>button{text-align:center}}@media(max-width:430px){.workspace>aside{grid-template-columns:repeat(2,1fr)}.workspace{gap:20px}.workspace-main>.chips{overflow-x:auto;flex-wrap:nowrap}.workspace-main>.chips button{flex:0 0 auto}}button,input,textarea,select{font:inherit}.form-section{margin-block:40px;padding-block:12px}.shop-facts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 20px;margin:20px 0}.shop-facts>div{display:grid;grid-template-columns:76px 1fr;gap:8px;padding-bottom:8px;border-bottom:1px solid #e2e8f0}.shop-facts dt{color:#64748b}.shop-facts dd{margin:0;overflow-wrap:anywhere}.shop-external{display:inline-flex;align-items:center;gap:7px;margin-bottom:18px}@media(max-width:560px){.form-section{margin-block:28px}.form-section .form-grid{grid-template-columns:1fr!important}.form-section .form-grid>*{grid-column:1/-1}.shop-facts{grid-template-columns:1fr}}.comments .comment{display:block;width:100%;gap:0;padding:16px;margin-block:12px;border:1px solid #e2e8f0;border-radius:12px;background:#fff}.comments .comment.comment-reply{margin-left:28px;width:calc(100% - 28px);border-left:4px solid #bfdbfe}.comments .comment-actions{display:flex;align-items:center;flex-wrap:wrap;gap:10px}.comments .comment-inline-form{display:block;width:100%;margin-top:14px;padding:14px;border-radius:10px;background:#f8fafc}.comments .comment-inline-form label{display:grid;gap:7px;width:100%}.comments .comment-inline-form textarea{width:100%;min-height:92px}@media(max-width:560px){.comments .comment.comment-reply{margin-left:10px;width:calc(100% - 10px)}.comments .comment-actions{gap:6px}.comments .comment-inline-form{padding:12px}}.reply-target{display:block;margin-bottom:7px;color:#64748b}.markdown-toolbar small{color:#64748b}@media(max-width:560px){.pdf-toolbar{display:flex;justify-content:center;flex-wrap:wrap;overflow:visible;gap:6px;padding:8px}.pdf-toolbar>*{flex:0 0 auto}.pdf-toolbar button,.pdf-toolbar a{min-height:38px;padding:6px 9px}.pdf-stage{padding:12px}}.pdf-reader-section{margin-block:34px}.pdf-reader-heading{display:flex;align-items:end;justify-content:space-between;gap:18px;margin-bottom:12px}.pdf-reader-heading h2,.pdf-reader-heading p{margin:0 0 5px}.pdf-reader-heading label{display:grid;gap:5px;font-weight:700}.pdf-inline-reader{overflow:hidden;border:1px solid #cbd5e1;border-radius:14px;background:#dbe1e8}.pdf-inline-reader .pdf-toolbar{position:sticky;z-index:4;top:0;display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:8px;padding:10px;border-bottom:1px solid #cbd5e1;background:#f8fafc}.pdf-inline-reader .pdf-toolbar>strong{max-width:260px;margin-right:auto;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.pdf-inline-reader .pdf-toolbar label{display:flex;align-items:center;gap:5px}.pdf-inline-reader .pdf-toolbar input{width:62px;min-height:40px;padding:5px}.pdf-error{display:grid;justify-items:center;gap:10px;padding:48px 20px;background:#f8fafc;color:#334155;text-align:center}.pdf-error strong{color:#0f172a;font-size:18px}.pdf-error p{margin:0}.pdf-error-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-top:4px}.pdf-continuous{height:min(78vh,900px);overflow:auto;overscroll-behavior:auto;padding:22px;scroll-behavior:smooth}.pdf-page{min-height:520px;margin:0 auto 22px;text-align:center}.pdf-page-label{position:sticky;z-index:2;top:8px;display:inline-block;margin-bottom:8px;padding:5px 10px;border-radius:999px;background:#fffffff0;color:#475569;font-size:12px}.pdf-page canvas{display:block;margin:auto;max-width:none;background:#fff;box-shadow:0 4px 18px #0f172a2e}.author-badge{display:flex;align-items:center;gap:12px}.author-avatar,.comment-avatar{display:grid;place-items:center;flex:0 0 auto;width:44px;height:44px;border-radius:50%;background:#dbeafe;color:#1d4ed8;font-size:18px;font-weight:800}.author-badge>div,.comment-author>div{display:grid;gap:2px}.author-badge a,.comment-author a{color:#0f172a;font-size:16px;font-weight:800;text-decoration:none}.author-badge small,.author-role,.comment-author span{color:#64748b;font-size:12px}.comment-author{display:flex;align-items:center;gap:10px;margin-bottom:10px}.comment-avatar{width:38px;height:38px;font-size:15px}.comment-action-spacer{flex:1}@media(max-width:560px){.pdf-reader-heading{align-items:stretch;flex-direction:column}.pdf-inline-reader{margin-inline:-10px;border-radius:10px}.pdf-inline-reader .pdf-toolbar{justify-content:flex-start}.pdf-inline-reader .pdf-toolbar>strong{flex:1 0 100%;max-width:100%}.pdf-continuous{height:72vh;padding:10px}.pdf-page{min-height:360px;margin-bottom:14px}.author-badge{align-items:flex-start}}.detail-meta{margin-block:24px}.author-badge{width:min(100%,520px);padding:16px 18px;border:1px solid #bfdbfe;border-radius:14px;background:#f0f7ff}.author-badge .author-avatar{width:58px;height:58px;font-size:22px}.author-badge .author-name,.author-badge>div>strong{font-size:21px;line-height:1.25}.author-foot{display:flex;align-items:center;flex-wrap:wrap;gap:12px}.author-foot a{color:#1d4ed8;font-size:13px;font-weight:700}.comment-author a{font-size:18px}@media(max-width:560px){.author-badge{padding:14px}.author-badge .author-avatar{width:48px;height:48px;font-size:18px}.author-badge .author-name,.author-badge>div>strong{font-size:18px}}.article-layout-switch{display:flex;justify-content:flex-end;gap:6px;margin:18px 0 8px}.article-layout-switch button{display:inline-flex;align-items:center;gap:6px;min-height:42px;padding:8px 13px;border:1px solid #cbd5e1;border-radius:9px;background:#fff;color:#475569}.article-layout-switch button.selected{border-color:#2563eb;background:#eff6ff;color:#1d4ed8;font-weight:800}.article-layout-switch svg{width:18px}.article-card.no-cover{grid-template-columns:1fr}.article-card .article-photo img,.article-list-cover img{width:100%;height:100%;object-fit:cover}.article-grid{align-items:start}.article-card{display:flex;flex-direction:row;min-width:0;height:228px;border-color:#cbd5e1;box-shadow:0 2px 10px #0f172a0d}.article-card .article-photo{display:block;flex:0 0 42%;width:42%;height:100%;overflow:hidden;background:#f1f5f9}.article-card .article-photo img{display:block;max-width:100%}.article-card .article-copy{display:flex;flex:1;flex-direction:column;min-width:0;min-height:0;padding:18px 20px}.article-card.no-cover .article-copy{width:100%}.article-card .article-title{display:-webkit-box;margin-bottom:6px;overflow:hidden;overflow-wrap:anywhere;line-height:1.45;-webkit-box-orient:vertical;-webkit-line-clamp:2}.article-card .article-copy>p{display:-webkit-box;min-height:0;margin-bottom:8px;overflow:hidden;line-height:1.6;-webkit-box-orient:vertical;-webkit-line-clamp:2}.article-card .article-meta{margin-top:auto;white-space:normal}.article-card .article-meta .save-control{margin-left:auto}.review-quota{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px;margin:14px 0 18px;padding:12px 14px;border:1px solid #bfdbfe;border-radius:10px;background:#eff6ff;color:#1e40af}.review-quota.limit-reached{border-color:#fed7aa;background:#fff7ed;color:#9a3412}.review-quota a{color:inherit;font-weight:700}@media(max-width:720px){.public-profile{padding-block:28px}.public-profile .article-grid{grid-template-columns:1fr}.profile-hero{margin-bottom:28px}}@media(max-width:560px){.profile-hero{flex-direction:column}.profile-hero .avatar{width:48px;height:48px;flex-basis:48px}.article-card{display:flex;flex-direction:column;height:auto}.article-card .article-photo{width:100%;height:160px;flex-basis:160px}.article-card .article-copy{min-height:164px}.article-card.no-cover .article-copy{min-height:0}}.article-list{display:grid;gap:12px;margin-top:8px}.profile-article-list{margin-top:14px}.article-list-row{display:flex;gap:24px;align-items:center;min-height:172px;padding:20px 22px;overflow:hidden;border:1px solid #dbe3ee;border-radius:14px;background:#fff;box-shadow:0 2px 10px #0f172a0a;transition:border-color .18s,box-shadow .18s,background-color .18s}.article-list-row.no-cover{min-height:148px}.article-list-copy{display:flex;flex:1 1 auto;flex-direction:column;align-self:stretch;justify-content:center;min-width:0}.article-list-row.no-cover .article-list-copy{flex-basis:100%;width:100%}.article-list-copy .article-title{display:block;margin:6px 0;font-size:21px;font-weight:800}.article-list-copy>p{max-width:78ch;margin:0 0 12px;color:#475569;line-height:1.65}.article-list-copy .article-meta{margin-top:auto;white-space:normal}.article-list-cover{flex:0 0 220px;width:220px;height:132px;min-height:0;overflow:hidden;border-radius:12px;background:#f1f5f9}.article-list-cover img{display:block}.editor-drop-active{outline:3px solid #60a5fa;outline-offset:3px;background:#eff6ff}.cover-editor{display:grid;gap:10px;padding:14px;border:1px solid #dbeafe;border-radius:12px;background:#f8fbff}.cover-editor img{width:min(100%,360px);aspect-ratio:16/9;object-fit:cover;border-radius:10px}.cover-actions{display:flex;flex-wrap:wrap;gap:8px}@media(max-width:600px){.article-list{gap:10px}.article-list-row{gap:12px;min-height:122px;padding:16px}.article-list-row.no-cover{min-height:0}.article-list-cover{align-self:center;flex-basis:104px;width:104px;height:96px}.article-list-copy .article-title{font-size:18px}.article-list-copy>p{display:-webkit-box;margin-bottom:10px;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.article-layout-switch{justify-content:stretch}.article-layout-switch button{flex:1;justify-content:center}}.editor-attachment-field{align-self:start}.editor-attachment-field input[type=file]{min-height:46px;height:auto;padding:9px}.editor-attachment-list{display:grid;gap:8px;padding:14px;border:1px solid #dbeafe;border-radius:12px;background:#f8fbff}.editor-attachment-list>div{display:flex;align-items:center;justify-content:space-between;gap:12px;min-width:0;padding-top:8px;border-top:1px solid #e2e8f0}.editor-attachment-list>div>span{display:flex;align-items:center;min-width:0;gap:8px;color:#334155}.editor-attachment-list>div>span>span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.editor-attachment-list svg{flex:0 0 auto;width:17px}.editor-attachment-list small{flex:0 0 auto;color:#64748b}.editor-attachment-list .pending{padding-right:8px}.markdown-image-button{display:block;width:fit-content;max-width:100%;margin:18px auto;padding:0;overflow:hidden;border:0;border-radius:10px;background:transparent;cursor:zoom-in}.markdown-image-button img{display:block;margin:0}.markdown-image-button:focus-visible{outline:3px solid #2563eb;outline-offset:4px}.image-lightbox{position:fixed;z-index:1200;inset:0;display:grid;place-items:center;padding:64px 24px 24px;background:#0f172ae6}.image-lightbox figure{display:grid;justify-items:center;gap:10px;max-width:min(1200px,100%);max-height:100%;margin:0}.image-lightbox img{display:block;max-width:100%;max-height:calc(100vh - 120px);object-fit:contain;border-radius:8px;box-shadow:0 20px 60px #00000059}.image-lightbox figcaption{max-width:70ch;color:#e2e8f0;text-align:center}.image-lightbox-close{position:absolute;top:16px;right:18px;display:grid;place-items:center;width:44px;height:44px;border:1px solid rgba(255,255,255,.45);border-radius:50%;background:#fff;color:#0f172a;font-size:30px;line-height:1;cursor:pointer}.image-lightbox-close:focus-visible{outline:3px solid #93c5fd;outline-offset:3px}@media(max-width:600px){.editor-attachment-list>div{align-items:flex-start}.editor-attachment-list>div>span{flex-wrap:wrap}.editor-attachment-list small{flex-basis:100%;padding-left:25px}.image-lightbox{padding:64px 12px 20px}.image-lightbox-close{top:10px;right:10px}}.home-announcement{display:grid;grid-template-columns:48px minmax(0,1fr);gap:16px;margin:28px 0 4px;padding:20px 22px;border:1px solid #bfdbfe;border-radius:14px;background:linear-gradient(135deg,#f8fbff,#eff6ff);box-shadow:0 4px 16px #2563eb0d}.announcement-icon{display:grid;place-items:center;width:48px;height:48px;border-radius:12px;background:#dbeafe;color:#1d4ed8}.announcement-icon svg{width:22px;height:22px}.home-announcement>div:last-child{min-width:0}.home-announcement span{color:#2563eb;font-size:12px;font-weight:700;letter-spacing:.08em}.home-announcement h2{margin:3px 0 7px;font-size:20px;line-height:1.4;overflow-wrap:anywhere}.home-announcement p{margin:0;color:#334155;line-height:1.75;white-space:pre-wrap;overflow-wrap:anywhere}.announcement-editor{margin-top:22px}.announcement-editor textarea{width:100%;resize:vertical}.announcement-editor label>small{justify-self:end;color:#64748b;font-weight:400}.announcement-editor .action-row{display:flex;flex-wrap:wrap;gap:10px}.announcement-editor .action-row>*{min-width:118px;white-space:nowrap}.announcement-editor .action-row>.danger{display:inline-flex;align-items:center;justify-content:center;padding:9px 14px;border:1px solid #fecaca;border-radius:9px;background:#fff1f2;color:#b91c1c;font-weight:700}.announcement-state{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px}.footer{display:block;padding-top:26px;padding-bottom:0}.footer-main,.footer-meta{width:100%;max-width:1136px;margin-inline:auto}.footer-main{display:grid;grid-template-columns:minmax(0,1fr) minmax(390px,430px);align-items:center;gap:clamp(40px,6vw,72px);min-height:104px}.footer-brand{display:flex;flex-direction:column;align-items:flex-start;min-width:0}.footer-community{display:flex;align-items:center;justify-content:flex-end;gap:20px;min-width:0}.footer-qq-visual{position:relative;display:block;flex:0 0 104px;width:104px;height:104px;overflow:hidden;border-radius:8px;background:#fff}.footer-qq-visual img{position:absolute;top:0;left:50%;display:block;width:150px;height:auto;max-width:none;transform:translate(-50%,-94px)}.footer-qq-visual:focus-visible{outline:3px solid #93c5fd;outline-offset:3px}.footer-community-copy{display:grid;gap:4px;min-width:0}.footer-community-copy strong{color:#1e293b;font-size:14px;line-height:1.45}.footer-qq-number{color:#334155;font-size:13px;line-height:1.45}.footer-qq-number>span{color:#1d4ed8;font-weight:800;letter-spacing:.02em}.footer-community-copy small{max-width:210px;color:#77808c;font-size:12px;line-height:1.5}.footer-links{display:flex;flex-wrap:wrap;align-items:center;gap:4px 28px;width:auto;margin-top:12px}.footer-link-group{display:flex;flex-wrap:wrap;align-items:center;gap:4px 14px;min-width:0}.footer-link-group strong{padding-right:13px;border-right:1px solid #dfe4ea;color:#1e293b;font-size:12px;font-weight:700}.footer-link-group a{display:inline-flex;align-items:center;width:max-content;min-height:32px;max-width:100%;color:#64748b;line-height:1.5}.footer-meta{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-top:18px;padding:10px 0 12px;border-top:1px solid #e7ebf0;color:#77808c;font-size:12px}.footer-filing{display:flex;flex-wrap:wrap;align-items:center;justify-content:flex-end;gap:2px 18px;text-align:right}.footer-filing a{display:inline-flex;align-items:center;min-height:30px;color:inherit}.footer-filing a:hover{color:var(--blue);text-decoration:underline;text-underline-offset:3px}.footer-police-filing{gap:6px}.footer-police-filing img{display:block;flex:0 0 auto;width:18px;height:20px;object-fit:contain}@media(max-width:900px){.footer-main{grid-template-columns:minmax(0,1fr) 350px;gap:24px}.footer-community{gap:16px}.footer-links{column-gap:20px}}@media(max-width:760px){.footer-main{grid-template-columns:1fr;gap:20px}.footer-community{width:100%;justify-content:space-between}}@media(max-width:620px){.home-announcement{grid-template-columns:38px minmax(0,1fr);gap:12px;margin-top:20px;padding:16px}.announcement-icon{width:38px;height:38px;border-radius:10px}.home-announcement h2{font-size:18px}.footer{padding-top:24px;padding-bottom:0}.footer-brand{width:100%;flex-basis:auto}.footer-links{align-items:flex-start;gap:4px;margin-top:12px}.footer-link-group{flex:1 1 100%;gap:4px 14px}.footer-link-group a{min-height:36px}.footer-community{width:100%;gap:16px;padding-top:0}.footer-qq-visual{flex-basis:100px;width:100px;height:100px}.footer-qq-visual img{width:144px;transform:translate(-50%,-90px)}.footer-community-copy strong{font-size:13px}.footer-community-copy small{max-width:220px;line-height:1.45}.footer-meta{align-items:flex-start;flex-direction:column;gap:2px;margin-top:18px;padding:12px 0 18px}.footer-filing{align-items:flex-start;justify-content:flex-start;flex-direction:column;gap:0}.footer-filing a{min-height:34px}.announcement-editor .action-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));width:100%}.announcement-editor .action-row>*{width:100%;min-width:0}.announcement-editor .action-row>.danger{grid-column:1/-1;min-height:42px}}.markdown-with-toc{display:grid;grid-template-columns:minmax(0,1fr) 236px;gap:36px;align-items:start}.markdown-with-toc>.markdown{min-width:0}.markdown h1[id],.markdown h2[id],.markdown h3[id],.markdown h4[id],.markdown h5[id],.markdown h6[id]{scroll-margin-top:96px}.markdown-toc{position:sticky;top:84px;max-height:calc(100vh - 108px);overflow:auto;border-left:2px solid #dbeafe;color:#475569}.markdown-toc details{padding:4px 0 4px 16px}.markdown-toc summary{cursor:pointer;color:#0f172a;font-weight:800}.markdown-toc nav{display:grid;gap:3px;margin-top:10px}.markdown-toc a{display:block;padding:5px 8px;border-radius:6px;color:#475569;line-height:1.45;overflow-wrap:anywhere;text-decoration:none}.markdown-toc a:hover,.markdown-toc a:focus-visible{background:#eff6ff;color:#1d4ed8}.markdown-toc .toc-level-2{padding-left:16px}.markdown-toc .toc-level-3{padding-left:26px;font-size:13px}.markdown-toc .toc-level-4,.markdown-toc .toc-level-5,.markdown-toc .toc-level-6{padding-left:34px;font-size:13px}.md-accent{font-weight:650}.md-color-blue{color:#1d4ed8}.md-color-red{color:#b91c1c}.md-color-orange{color:#9a3412}.md-color-green{color:#047857}.md-color-purple{color:#7e22ce}.md-font-sans{font-family:inherit}.md-font-serif{font-family:Georgia,"Noto Serif SC",Songti SC,serif}.md-font-mono{font-family:Cascadia Mono,SFMono-Regular,Consolas,monospace}.editor-split{--editor-workspace-height: clamp(760px, 82dvh, 1080px);grid-template-columns:repeat(2,minmax(0,1fr));align-items:start}.editor-viewbar{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:10px;border-bottom:1px solid #d0d7de}.editor-viewbar>strong{padding-bottom:9px;color:#1f2328}.editor-view-tabs{display:flex;align-items:center;gap:2px}.editor-view-tabs button{min-width:72px;min-height:42px;padding:8px 14px;border:0;border-bottom:2px solid transparent;background:transparent;color:#59636e;font:inherit;font-weight:650;cursor:pointer}.editor-view-tabs button:hover{background:#f6f8fa;color:#1f2328}.editor-view-tabs button.active{border-bottom-color:var(--orange);color:#1f2328}.editor-view-tabs button:focus-visible{outline:2px solid #2563eb;outline-offset:-2px}.editor-split.editor-mode-edit,.editor-split.editor-mode-preview{grid-template-columns:minmax(0,1fr)}.editor-split.editor-mode-edit>.preview,.editor-split.editor-mode-preview>.editor-field{display:none}.editor-field,.editor-split>.preview{min-width:0;height:var(--editor-workspace-height)}.editor-field{display:flex;flex-direction:column}.editor-textarea{flex:1 1 auto;height:auto;min-height:0;overflow:auto;resize:none;scrollbar-color:#8c959f #f6f8fa;scrollbar-width:auto;scrollbar-gutter:stable;overscroll-behavior:contain}.editor-textarea::-webkit-scrollbar,.editor-split>.preview::-webkit-scrollbar{width:12px}.editor-textarea::-webkit-scrollbar-track,.editor-split>.preview::-webkit-scrollbar-track{background:#f6f8fa}.editor-textarea::-webkit-scrollbar-thumb,.editor-split>.preview::-webkit-scrollbar-thumb{border:3px solid #f6f8fa;border-radius:999px;background:#8c959f}.editor-split>.preview{overflow:auto;scrollbar-color:#8c959f #f6f8fa;scrollbar-width:auto;scrollbar-gutter:stable;overscroll-behavior:contain}.markdown-toolbar{display:flex;align-items:center;flex-wrap:wrap;gap:7px 8px;padding:8px 10px}.toolbar-group{display:flex;align-items:center;flex-wrap:wrap;gap:6px;min-width:0;padding-right:8px;border-right:1px solid #dbe2ea}.toolbar-group:last-of-type{padding-right:0;border-right:0}.markdown-toolbar button,.markdown-toolbar .toolbar-upload{min-height:36px;justify-content:center;padding:6px 9px;font-size:13px;white-space:nowrap}.markdown-toolbar small{flex:1 0 100%;line-height:1.55}.toolbar-select{display:inline-flex;align-items:center;gap:6px;color:#334155;font-size:13px;font-weight:700}.toolbar-select select{min-height:38px;padding:6px 28px 6px 9px}.editor-attachment-field small{color:#64748b;font-weight:400;line-height:1.5}@media(max-width:1100px){.editor-split{grid-template-columns:minmax(0,1fr)}.editor-field,.editor-split>.preview{height:auto}.editor-textarea{flex:none;height:clamp(380px,58dvh,560px);min-height:380px;resize:vertical}.editor-split>.preview{overflow:visible;scrollbar-gutter:auto}}@media(max-width:560px){.editor-viewbar{align-items:center;gap:8px}.editor-viewbar>strong{display:none}.editor-view-tabs{width:100%}.editor-view-tabs button{flex:1 1 0;min-width:0;min-height:44px}.markdown-toolbar{display:grid;gap:8px;padding:9px}.toolbar-group{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:7px;width:100%;padding:0 0 8px;border-right:0;border-bottom:1px solid #dbe2ea}.toolbar-group:last-of-type{padding-bottom:0;border-bottom:0}.toolbar-formatting{grid-template-columns:repeat(3,minmax(0,1fr))}.toolbar-styling>button{grid-column:1 / -1}.toolbar-select{display:grid;gap:4px}.toolbar-select select,.markdown-toolbar button,.markdown-toolbar .toolbar-upload{width:100%;min-height:44px}.editor-textarea{height:clamp(360px,54dvh,500px);min-height:360px;padding:14px;font-size:16px}.editor-split>.preview{padding:18px}}.markdown-import-confirm{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;margin:10px 0;padding:13px 14px;border:1px solid #fbbf24;border-radius:10px;background:#fffbeb}.markdown-import-confirm>div:first-child{display:grid;gap:3px}.markdown-import-confirm span{color:#785b14;font-size:13px}.markdown-import-confirm .action-row{display:flex;flex-wrap:wrap;gap:8px}@media(max-width:900px){.markdown-with-toc{grid-template-columns:minmax(0,1fr);gap:18px}.markdown-with-toc>.markdown{grid-row:2}.markdown-toc{position:static;grid-row:1;max-height:none;border:1px solid #dbeafe;border-radius:10px;background:#f8fbff;overflow:visible}.markdown-toc details{padding:12px 14px}}@media(max-width:560px){.markdown-toolbar>button,.markdown-toolbar>.toolbar-upload{flex:1 1 132px}.toolbar-select{flex:1 1 145px}.toolbar-select select{flex:1;min-width:0}.markdown-toolbar small{flex-basis:100%}.markdown-import-confirm .action-row,.markdown-import-confirm .action-row>*{width:100%}}.avatar-link{display:inline-flex;border-radius:50%}.avatar img,.author-avatar img,.comment-avatar img,.mini-avatar img,.profile-avatar-preview img{width:100%;height:100%;border-radius:inherit;object-fit:cover}.profile-avatar-preview{display:grid;place-items:center;width:92px;height:92px;flex:0 0 92px;overflow:hidden;border-radius:50%;background:#e7f0fc;color:#2563eb;font-size:32px;font-weight:700}.avatar-editor{display:flex;align-items:center;gap:22px;margin-bottom:22px}.avatar-editor-copy{display:grid;flex:1;min-width:0;gap:8px}.avatar-editor h2,.avatar-editor p{margin:0}.avatar-editor p{color:#475569;line-height:1.6}.avatar-editor .action-row{display:flex;align-items:center;justify-content:flex-start;flex-wrap:wrap;gap:10px;margin:4px 0 0}.avatar-editor .action-row>*{min-height:44px}.article-card,.article-list-row{position:relative;isolation:isolate;cursor:pointer}.article-card .article-title:after,.article-list-row .article-title:after{content:"";position:absolute;inset:0;z-index:1;border-radius:inherit}.article-card:hover,.article-list-row:hover{border-color:#93c5fd;background:#fbfdff;box-shadow:0 7px 22px #2563eb1a}.article-card:focus-within,.article-list-row:focus-within{outline:2px solid #60a5fa;outline-offset:3px}.article-card .author-link,.article-list-row .author-link,.article-card .save-control,.article-list-row .save-control,.article-card .star-control,.article-list-row .star-control{position:relative;z-index:2}.article-labels{display:flex;align-items:center;justify-content:space-between;gap:10px;min-width:0}.pinned-badge{display:inline-flex;align-items:center;gap:4px;padding:3px 8px;border-radius:999px;background:#fff7ed;color:#9a3412;font-size:11px;font-weight:800;white-space:nowrap}.pinned-badge svg{width:13px;height:13px}.author-link{display:inline-flex;align-items:center;gap:5px}.star-control{display:inline-flex;align-items:center}.star-button{display:inline-flex;align-items:center;gap:4px;min-height:30px;padding:4px 7px;border:0;border-radius:8px;background:transparent;color:#64748b;font-size:12px;font-weight:750}.star-button:hover,.star-button:focus-visible{background:#fff7ed;color:#9a3412}.star-button.starred{color:#b45309}.star-button svg{width:17px;height:17px}.detail-meta .star-button{min-height:42px;padding:8px 12px;border:1px solid #fed7aa;background:#fff;font-size:14px}.article-card .article-meta .star-control{margin-left:auto}.article-card .article-meta .save-control{margin-left:0}.article-list-row .star-control{margin-left:auto}.article-list-row .star-button{min-height:36px}.article-list-row .icon-button{width:36px;height:36px}.article-filter-panel{margin:18px 0 16px;padding:14px;border:1px solid #dbe3ee;border-radius:13px;background:#f8fafc}.article-view-controls{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px}.article-view-controls .article-layout-switch{margin:0}.article-sort{display:flex;align-items:center;gap:6px}.article-sort>span{margin-right:3px;color:#64748b;font-size:13px;font-weight:700}.article-sort button{min-height:40px;padding:7px 12px;border:1px solid #cbd5e1;border-radius:9px;background:#fff;color:#475569}.article-sort button.selected{border-color:#2563eb;background:#eff6ff;color:#1d4ed8;font-weight:800}.article-topic-filter{display:flex;align-items:flex-start;gap:12px;margin-top:12px;padding-top:12px;border-top:1px solid #e2e8f0}.article-topic-filter>span{flex:0 0 auto;padding-top:9px;color:#64748b;font-size:13px;font-weight:700}.article-topic-chips{display:flex;flex-wrap:wrap;gap:8px;min-width:0}.article-topic-chips button{min-height:38px;padding:7px 14px;border:1px solid #cbd5e1;border-radius:999px;background:#fff;color:#475569;cursor:pointer}.article-topic-chips button:hover{border-color:#93c5fd;background:#f8fbff}.article-topic-chips button.selected{border-color:#2563eb;background:#eff6ff;color:#1d4ed8;font-weight:800}.record-actions{display:flex;align-items:center;flex-wrap:wrap;gap:8px;margin-top:12px}.record-list article>.record-actions{margin-right:0}.record-list article .record-actions .button{margin:0;min-height:44px}.record-list .mine-content-record{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:10px 16px;padding:18px 20px}.record-list .mine-content-record>*{min-width:0;margin:0}.mine-content-record>strong{grid-column:1/-1;overflow-wrap:anywhere;line-height:1.5}.mine-content-record>p{grid-column:1/-1;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;overflow:hidden;overflow-wrap:anywhere;color:#64748b;line-height:1.65}.mine-content-record>.status{align-self:center;justify-self:start}.mine-content-record>.record-actions{justify-content:flex-end;margin:0}.mine-content-record>.withdraw-confirm{grid-column:1/-1;margin:0}.draft-delete-confirm{border-color:#fecaca;background:#fff7f7}@media(max-width:600px){.record-list .mine-content-record{grid-template-columns:minmax(0,1fr);padding:16px;gap:10px}.mine-content-record>.record-actions{justify-self:end;width:100%}.mine-content-record .record-actions .button{flex:0 1 auto;white-space:normal}}.notification-toolbar{display:flex;align-items:center;justify-content:flex-end;flex-wrap:wrap;gap:8px;margin:0 0 16px;min-height:44px}.notification-toolbar.is-selecting{justify-content:flex-start;padding:10px 12px;border:1px solid #dbe3ee;border-radius:12px;background:#f8fafc}.notification-toolbar .button{margin:0}.notification-toolbar .button.quiet{border-color:transparent;background:transparent;color:#475569}.notification-toolbar .button.quiet:hover,.notification-toolbar .button.quiet:focus-visible{border-color:#cbd5e1;background:#fff;color:#1e293b}.notification-selection-count{margin-right:auto;color:#334155;font-size:14px;font-weight:700;white-space:nowrap}.notification-record{position:relative;display:flex;flex-direction:column;align-items:flex-start;gap:7px;min-width:0}.notification-record>*{margin-right:0;min-width:0}.notification-record.is-unread{border-color:#bfdbfe;background:#fbfdff}.notification-record.is-selecting{padding-left:54px}.notification-select{position:absolute;top:12px;left:12px;display:grid;place-items:center;width:36px;min-height:44px;margin:0;cursor:pointer}.notification-select input{width:18px;height:18px;margin:0;accent-color:#2563eb;cursor:pointer}.notification-record>strong{overflow-wrap:anywhere;line-height:1.45}.notification-record>p{margin-block:0;color:#475569;line-height:1.55}.notification-meta{display:flex;align-items:center;flex-wrap:wrap;gap:6px 12px;color:#64748b;font-size:12px;line-height:1.4}.notification-unread{display:inline-flex;align-items:center;gap:5px;color:#1d4ed8;font-weight:700}.notification-unread i{width:7px;height:7px;border-radius:50%;background:#2563eb}.notification-record .record-actions{margin-top:3px}.notification-record .record-actions:empty{display:none;margin:0}.withdraw-confirm,.notification-delete-confirm{margin-top:12px;padding:13px 14px;border:1px solid #fed7aa;border-radius:10px;background:#fffaf2}.withdraw-confirm p,.notification-delete-confirm p{margin:0 0 10px;color:#7c2d12;line-height:1.6}.withdraw-confirm .action-row,.notification-delete-confirm .action-row{display:flex;flex-wrap:wrap;gap:8px}.notification-delete-confirm{border-color:#fecaca;background:#fff7f7}.notification-delete-confirm p{color:#7f1d1d}.notification-bulk-delete-confirm{margin:0 0 16px}@media(max-width:600px){.article-filter-panel{padding:12px}.article-view-controls{align-items:stretch}.article-sort,.article-layout-switch{width:100%}.article-sort>span{align-self:center}.article-sort button,.article-layout-switch button{flex:1;justify-content:center;min-width:0}.article-topic-filter{display:grid;gap:8px}.article-topic-filter>span{padding-top:0}.article-topic-chips{flex-wrap:nowrap;overflow-x:auto;padding-bottom:3px}.article-topic-chips button{flex:0 0 auto;min-height:44px}.article-list-row .article-meta{gap:4px 8px}.article-list-row .star-button{min-height:44px;padding-inline:9px}.article-list-row .icon-button{width:44px;height:44px}.record-actions .button{flex:1 1 145px}.notification-toolbar{align-items:center}.notification-toolbar:not(.is-selecting) .button{flex:0 1 auto;min-width:0}.notification-toolbar.is-selecting{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr)}.notification-toolbar.is-selecting .button{width:100%;min-width:0}.notification-toolbar.is-selecting .notification-selection-count{grid-row:1;grid-column:2;justify-self:end;margin:0}.notification-delete-confirm .button{flex:1 1 130px}}.home-required{padding-bottom:28px;border-bottom:1px solid #fed7aa}.home-announcement{align-items:start}.announcement-stack{display:grid;gap:0}.announcement-heading{display:flex;align-items:center;justify-content:space-between;gap:12px}.announcement-heading>a{color:#1d4ed8;font-size:13px;font-weight:700}.home-announcement .announcement-stack article{padding:13px 0;border-top:1px solid #dbeafe}.home-announcement .announcement-stack article:first-of-type{border-top:0}.home-announcement .announcement-stack article h2{margin:0 0 5px}.home-announcement .announcement-stack article small{display:block;margin-top:6px;color:#64748b}.announcement-history{display:grid;gap:14px}.announcement-history article{padding:22px;border:1px solid #dbeafe;border-radius:14px;background:#fff}.announcement-history article>div{display:flex;align-items:center;gap:10px}.announcement-history svg{color:#2563eb}.announcement-history h2{margin:0;font-size:21px}.announcement-history p{white-space:pre-wrap;overflow-wrap:anywhere;color:#334155;line-height:1.75}.announcement-history small{color:#64748b}.announcement-admin-head{display:flex;align-items:flex-start;justify-content:space-between;gap:20px}.announcement-admin-head h1{margin-top:0}.announcement-admin-layout{display:grid;grid-template-columns:minmax(190px,260px) minmax(0,1fr);gap:18px;align-items:start;margin-top:18px}.announcement-admin-list{display:grid;gap:8px}.announcement-admin-list>button{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:6px 8px;width:100%;padding:12px;border:1px solid #e2e8f0;border-radius:10px;background:#fff;text-align:left}.announcement-admin-list>button.selected{border-color:#2563eb;background:#eff6ff}.announcement-admin-list strong{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.announcement-admin-list small{grid-column:1/-1;color:#64748b}.announcement-admin-layout .announcement-editor{margin-top:0}.review-heading{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:8px}.review-heading>span{display:inline-flex;align-items:center;gap:6px;color:#64748b;font-size:13px}.review-follow-ups{margin-top:14px;border-top:1px solid #e2e8f0}.review-follow-up-toggle{display:flex;align-items:center;justify-content:space-between;width:100%;padding:12px 0 2px;border:0;background:transparent;color:#1d4ed8;font-weight:800}.review-follow-up-toggle svg{width:18px;transition:transform .2s ease}.review-follow-up-toggle[aria-expanded=true] svg{transform:rotate(90deg)}.review-follow-up-list{display:grid;gap:10px;margin-top:10px}.review-follow-up-list section{padding:14px;border-radius:10px;background:#f8fafc}.pin-action{display:inline-flex;align-items:center;gap:6px}.pin-action svg{width:16px}.comment-thread-toggle{display:flex;align-items:center;justify-content:space-between;width:100%;margin-top:12px;padding:10px 12px;border:1px solid #dbeafe;border-radius:9px;background:#f8fbff;color:#1d4ed8;font-weight:800}.comment-thread-toggle svg{width:18px;transition:transform .2s ease}.comment-thread-toggle[aria-expanded=true] svg{transform:rotate(90deg)}@media(max-width:760px){.announcement-admin-layout{grid-template-columns:1fr}.announcement-admin-list{grid-template-columns:repeat(2,minmax(0,1fr))}.article-view-controls{align-items:stretch}.article-sort,.article-layout-switch{width:100%}.article-sort button,.article-layout-switch button{flex:1}}@media(max-width:560px){.avatar-editor{align-items:flex-start;gap:14px;padding:16px}.profile-avatar-preview{width:68px;height:68px;flex-basis:68px;font-size:24px}.announcement-heading{align-items:flex-start;flex-direction:column}.announcement-admin-head{flex-direction:column}.announcement-admin-list{grid-template-columns:1fr}.article-sort>span{display:none}.detail-meta .star-control{width:100%}.detail-meta .star-button{width:100%;justify-content:center}}@media(max-width:390px){.avatar-editor{display:grid;grid-template-columns:52px minmax(0,1fr);gap:12px}.profile-avatar-preview{width:52px;height:52px;flex-basis:52px;font-size:20px}.avatar-editor .action-row{grid-template-columns:1fr}.avatar-editor .action-row>*{width:100%;justify-content:center}}.home-topic-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.home-topic-list>a{position:relative;display:grid;gap:7px;min-height:128px;padding:20px 52px 20px 20px;border:1px solid #dbe3ef;border-radius:14px;background:#fff;color:#1e293b;text-decoration:none;transition:border-color .18s ease,box-shadow .18s ease,transform .18s ease}.home-topic-list>a:hover,.home-topic-list>a:focus-visible{border-color:#93c5fd;box-shadow:0 8px 24px #2563eb1a;transform:translateY(-2px)}.home-topic-list strong{font-size:17px}.home-topic-list span{color:#64748b;line-height:1.55}.home-topic-list svg{position:absolute;top:20px;right:18px;width:19px;color:#2563eb}.owner-stat-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-bottom:20px}.owner-stat-grid>button{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px 14px;min-height:124px;padding:18px;border:1px solid #dbe3ef;border-radius:14px;background:#fff;color:#334155;text-align:left}.owner-stat-grid>button:hover,.owner-stat-grid>button:focus-visible{border-color:#60a5fa;background:#f8fbff}.owner-stat-grid span{align-self:center;font-weight:700}.owner-stat-grid strong{color:#1d4ed8;font-size:32px;line-height:1}.owner-stat-grid small{grid-column:1 / -1;display:inline-flex;align-items:center;gap:5px;color:#64748b}.owner-stat-grid svg{width:15px}.owner-quick-links h2{margin-top:0}.topic-editor{margin-bottom:18px}.topic-editor-heading{display:flex;align-items:center;justify-content:space-between;gap:16px}.topic-editor-heading h2{margin:0}.checkbox-label{display:flex!important;grid-template-columns:none!important;align-items:center;gap:9px}.checkbox-label input{width:18px;height:18px;margin:0}.topic-admin-list{display:grid;gap:12px}.topic-admin-list>article{display:grid;grid-template-columns:50px minmax(0,1fr) auto;align-items:center;gap:16px;padding:17px;border:1px solid #dbe3ef;border-radius:13px;background:#fff}.topic-admin-order{display:grid;justify-items:center;gap:4px}.topic-admin-order button{display:grid;place-items:center;width:44px;height:44px;border:1px solid #cbd5e1;border-radius:9px;background:#fff;color:#1d4ed8}.topic-admin-order button svg{width:18px;height:18px}.topic-admin-order span{color:#64748b;font-size:12px}.topic-admin-copy{min-width:0}.topic-admin-copy>div{display:flex;align-items:center;flex-wrap:wrap;gap:9px}.topic-admin-copy h2{margin:0;font-size:18px;overflow-wrap:anywhere}.topic-admin-copy p{margin:7px 0 0;color:#64748b;line-height:1.55;overflow-wrap:anywhere}.status-published{background:#ecfdf5;color:#047857}.status-hidden{background:#f1f5f9;color:#475569}.topic-admin-actions{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:8px}.problem-visibility{display:grid;justify-items:start;gap:5px;min-width:112px}.problem-visibility small{color:#64748b;white-space:nowrap}.problem-admin-actions{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:8px}.record-list article .problem-admin-actions .button{margin:0}@media(max-width:900px){.home-topic-list,.owner-stat-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.topic-admin-list>article{grid-template-columns:50px minmax(0,1fr)}.topic-admin-actions{grid-column:2;justify-content:flex-start}}@media(max-width:560px){.home-topic-list,.owner-stat-grid{grid-template-columns:1fr}.home-topic-list>a{min-height:108px}.topic-admin-list>article{grid-template-columns:42px minmax(0,1fr);gap:12px;padding:14px}.topic-admin-actions{grid-column:1 / -1}.topic-admin-actions .button{flex:1}.problem-admin-actions{width:100%;justify-content:stretch}.problem-admin-actions .button{flex:1}}.image-upload-options{display:flex;align-items:center;flex-wrap:wrap;gap:8px 14px;flex:1 1 100%;margin:2px 0 0;padding:10px 12px;border:1px solid #dbe3ef;border-radius:10px;background:#f8fafc}.image-upload-options legend{padding:0 5px;color:#334155;font-size:13px;font-weight:800}.image-upload-options label{display:inline-flex;align-items:center;gap:6px;min-height:32px;color:#334155;font-size:13px;font-weight:700;cursor:pointer}.image-upload-options input{width:17px;height:17px;margin:0;accent-color:#2563eb}.image-upload-options small{flex-basis:100%;line-height:1.5}.image-upload-status{display:inline-flex;align-items:center;gap:8px;flex:1 1 100%;min-height:36px;padding:8px 11px;border-radius:8px;background:#eff6ff;color:#1d4ed8;font-size:13px;font-weight:750}.image-upload-status .spinner{width:16px;height:16px}@media(max-width:560px){.image-upload-options{align-items:flex-start}.image-upload-options label{flex:1 1 140px;min-height:44px}}.real-photo{display:block;width:100%;height:100%;object-fit:cover;background:#f4f5f5}.photo-hero{display:grid;grid-template-columns:minmax(0,1.12fr) minmax(0,1fr);align-items:center;gap:46px;max-width:1200px;padding:48px 32px 36px;text-align:left}.photo-hero .hero-kicker{justify-content:flex-start;letter-spacing:1px;font-size:13px;margin-bottom:18px}.photo-hero h1{font-size:39px;line-height:1.48;letter-spacing:-1px;font-weight:550;margin-bottom:16px}.photo-hero h1>span{display:block}.photo-hero .hero-copy>p{font-size:15px;line-height:1.95;color:#68717d;max-width:470px;margin-bottom:24px}.photo-hero .searchbox-large{margin:0;border-radius:10px;min-height:54px;box-shadow:none}.photo-hero .hot-search{justify-content:flex-start;font-size:12px;gap:15px;margin-top:14px}.hero-photograph{margin:0;min-width:0}.hero-photograph>.real-photo{aspect-ratio:1.56;height:auto;object-position:50% 53%;border-radius:8px}.hero-photograph figcaption{display:flex;flex-direction:column;gap:4px;color:#666e77;font-size:12px;line-height:1.6;margin-top:11px}.hero-photograph figcaption>span:first-child{font-size:13px;color:#404951}.photo-credit{font-size:12px;color:#747c85;font-weight:400}.photo-credit a{text-decoration:underline;text-decoration-color:#c8ccd1;text-underline-offset:3px}.photo-credit a:hover{color:var(--blue)}.topic-strip{border:0;border-top:1px solid #e6e9ec;border-bottom:1px solid #e6e9ec;border-radius:0;margin-top:14px;padding:18px 0}.topic-strip .topic-icon{background:transparent;width:28px;height:30px;color:#727d87}.topic-strip>a{font-size:14px;gap:7px}.section-kicker{letter-spacing:.5px;font-weight:400;color:#7b828a}.section-heading h2{font-size:24px;font-weight:600}.article-grid{gap:28px 24px}.article-card{border:0;border-radius:0;overflow:visible}.article-card:hover{border-color:transparent;box-shadow:none}.article-photo{display:block;aspect-ratio:1.75;overflow:hidden;border-radius:6px;background:#f2f3f4}.article-photo .real-photo{transition:transform .25s ease}.article-photo:hover .real-photo{transform:scale(1.025)}.article-photo .photo-stm32{object-position:50% 47%}.article-photo .photo-oscilloscope{object-position:50% 24%}.article-copy{padding:16px 0 20px;border-bottom:1px solid #e7e9eb}.article-title{font-size:18px;line-height:1.6;font-weight:600}.article-copy>p{font-size:14px;line-height:1.8;min-height:50px;margin-bottom:14px}.article-meta{font-size:12px;color:#7a8087}.article-meta .mini-avatar{display:none}.article-meta .reading-time{margin-left:auto}.home-columns{gap:38px}.home-aside{padding-top:0}.start-card{background:#fff;border:0;border-radius:0;padding:0 0 24px;border-bottom:1px solid #e7e9eb}.guide-photo{position:relative;aspect-ratio:1.55;overflow:hidden;border-radius:6px;margin-bottom:20px}.guide-photo .real-photo{object-position:50% 25%}.guide-photo>span{position:absolute;left:12px;bottom:12px;background:#ffffffed;color:#35434c;padding:4px 9px;font-size:12px;border-radius:3px}.start-card>.small-pill{background:transparent;padding:0;color:#7d858d;font-size:12px}.start-card h3{margin:10px 0;font-size:21px}.start-card ol{padding:4px 0 15px}.start-card li>span{background:#f2f3f4;color:#7d858d}.start-card li>a{color:#4e5a66}.start-card .button{background:#fff;border-color:#d9e0e6}.contribute-card{padding-top:24px}.contribute-icon{background:transparent;color:#6e7f8f;border:1px solid #e5e8ed;border-radius:5px}.problem-letter{background:#f3f5f7;color:#566777;border-radius:7px}.home-problems .problem-title{font-size:17px}.topic-card{padding:0 0 20px;border:0;border-bottom:1px solid #e0e5e9;border-radius:0;overflow:hidden}.topic-card:hover{box-shadow:none;border-color:#a9bbcc}.topic-card .topic-cover{aspect-ratio:1.9;height:auto;border-radius:6px;margin-bottom:19px}.topic-card .photo-stm32{object-position:50% 47%}.topic-card .topic-number{position:static;float:right;margin:6px 0 0;color:#8b949f}.topic-card>h2{font-size:21px}.topic-card>div{margin-top:17px;border:0;padding:0}.topic-card>p{min-height:0}.article-cover{margin:0 0 30px}.article-cover>.real-photo{height:300px;border-radius:7px;object-position:50% 45%}.article-cover>.photo-stm32{object-fit:contain;background:#fafafa}.article-cover figcaption{font-size:12px;line-height:1.8;color:#7b828a;margin-top:10px}.photo-credits-section{scroll-margin-top:100px;margin-top:40px}.photo-credits-section>p{font-size:14px;color:#6e7986}.credit-grid{display:grid;gap:22px;margin-top:24px}.credit-item{display:grid;grid-template-columns:160px 1fr;gap:22px;border-bottom:1px solid #e2e7ed;padding-bottom:22px}.credit-item>img{height:120px;border-radius:6px}.credit-item h3{font-size:17px;margin-bottom:9px}.credit-item p{font-size:12px;color:#7b8695;margin:10px 0 0}.footer-links{gap:19px}@media(max-width:1100px){.photo-hero{gap:30px;padding-left:26px;padding-right:26px}.photo-hero h1{font-size:34px}.photo-hero .hero-copy>p{font-size:14px}.home-columns{gap:28px}}@media(max-width:850px){.photo-hero{grid-template-columns:1fr;gap:24px;padding-top:32px;padding-bottom:22px}.photo-hero h1{font-size:36px}.photo-hero h1>span{display:inline}.photo-hero .hero-copy>p{max-width:none}.photo-hero .searchbox-large{max-width:none}.hero-photograph>.real-photo{aspect-ratio:2.35;object-position:50% 49%}.hero-photograph figcaption{flex-direction:row;flex-wrap:wrap;justify-content:space-between;gap:7px}.home-columns{grid-template-columns:1fr}.home-aside{grid-template-columns:1fr 1fr;align-items:start}.start-card{padding:0}.guide-photo{aspect-ratio:1.65}.contribute-card{padding:15px 0}.topic-strip{margin-bottom:30px}.article-cover>.real-photo{height:280px}.article-grid{gap:24px}}@media(max-width:620px){.photo-hero{padding:29px 18px 20px;gap:22px}.photo-hero .hero-kicker{font-size:12px;margin-bottom:13px}.photo-hero h1{font-size:28px;letter-spacing:-.8px}.photo-hero h1>span{display:inline}.photo-hero .hero-copy>p{font-size:14px;margin:0 0 19px;line-height:1.9}.photo-hero .hot-search{font-size:12px;gap:12px}.hero-photograph>.real-photo{aspect-ratio:1.7}.hero-photograph figcaption{flex-direction:column;gap:3px}.hero-photograph figcaption>span:first-child{font-size:13px}.photo-credit{font-size:12px}.topic-strip{padding:15px 0;row-gap:14px;margin-top:4px}.topic-strip>a{font-size:13px;gap:5px}.topic-strip .topic-icon{width:23px;background:transparent}.section-heading h2{font-size:22px}.section-kicker{font-size:12px}.article-card{display:block}.article-photo{aspect-ratio:1.85;border-radius:6px}.article-copy{padding:14px 0 19px}.article-title{font-size:18px}.article-copy>p{font-size:14px;line-height:1.85;min-height:0;margin-bottom:12px}.article-meta>span:nth-child(2){flex-basis:auto}.article-meta .reading-time{margin-left:auto}.article-meta .save-button{margin-left:3px}.article-grid{gap:24px}.home-aside{grid-template-columns:1fr;gap:27px}.start-card{padding-bottom:23px}.guide-photo{aspect-ratio:1.75;margin-bottom:17px}.start-card h3{font-size:22px}.start-card ol{padding-bottom:18px}.contribute-icon{float:none;margin:0 0 14px}.contribute-card{padding:0 0 24px}.home-problems .problem-title{font-size:16px}.topic-card .topic-cover{aspect-ratio:1.35;margin-bottom:14px}.topic-card>h2{font-size:17px;line-height:1.5}.topic-card>.topic-number{display:none}.topic-card>p{font-size:13px;min-height:44px}.topic-card>div{font-size:12px;margin-top:13px}.article-cover>.real-photo{height:230px}.credit-item{grid-template-columns:1fr;gap:14px}.credit-item>img{height:180px;object-position:50% 40%}.credit-item h3{font-size:17px}}