:root{color-scheme:light;--blue:#1268e8;--blue-dark:#0d4fae;--ink:#0e203b;--muted:#627797;--line:#d7e2f1;--panel:#fff;--bg:#f4f8fd;--green:#168655;--amber:#b66a08;--purple:#7049c8;--shadow:0 18px 48px rgba(31,73,125,.08)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif}.skip-link{position:fixed;left:16px;top:-80px;z-index:20;background:#fff;padding:12px 18px}.skip-link:focus{top:12px}.community-header{height:86px;padding:0 max(28px,calc((100vw - 1460px)/2));display:flex;align-items:center;justify-content:space-between;background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}.community-brand{display:flex;align-items:center;gap:18px;text-decoration:none;color:var(--ink)}.community-brand img{width:150px;height:58px;object-fit:contain}.community-brand span{display:flex;flex-direction:column;border-left:1px solid var(--line);padding-left:18px}.community-brand strong{font-size:20px}.community-brand small{color:var(--muted);margin-top:4px}.community-header nav{display:flex;align-items:center;gap:8px}.community-header nav a{color:#35506f;text-decoration:none;padding:12px 16px;border-radius:10px;font-weight:600}.community-header nav a:hover,.community-header nav a:focus-visible,.community-header nav .is-current{background:#eaf3ff;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}
.community-header nav .notification-nav.has-unread{color:var(--blue);background:#eaf3ff}.community-header nav .notification-nav.has-unread::before{content:"";display:inline-block;width:8px;height:8px;margin-right:7px;border-radius:50%;background:var(--blue);vertical-align:1px}
.community-shell{width:min(1460px,calc(100% - 56px));margin:34px auto 70px}.community-hero{display:flex;align-items:stretch;justify-content:space-between;gap:24px;padding:34px 38px;border:1px solid var(--line);background:linear-gradient(120deg,#fff 45%,#eaf4ff);border-radius:18px;box-shadow:var(--shadow)}.community-hero h1{font-size:40px;margin:8px 0 12px}.community-hero p{max-width:800px;color:var(--muted);font-size:17px;line-height:1.8;margin:0}.eyebrow{color:var(--blue);font-size:14px;font-weight:800;letter-spacing:.05em}.account-card{min-width:310px;display:flex;align-items:center;justify-content:center;background:rgba(255,255,255,.82);border:1px solid #cbdcf2;border-radius:14px;padding:20px}.account-loading{color:var(--muted)}.account-guest{text-align:center}.account-guest strong,.account-profile strong{display:block;font-size:18px;margin-bottom:8px}.account-guest a{display:inline-block;margin-top:12px;background:var(--blue);color:#fff;text-decoration:none;padding:10px 18px;border-radius:9px}.account-profile{width:100%}.account-profile-head{display:flex;justify-content:space-between;gap:16px}.level-badge{color:var(--green);font-weight:800}.account-metrics{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:14px}.account-metrics span{background:#f5f8fc;border-radius:9px;padding:10px;color:var(--muted)}.account-metrics b{display:block;color:var(--ink);font-size:20px;margin-top:3px}
.community-layout{display:grid;grid-template-columns:minmax(0,1fr) 390px;gap:24px;margin-top:24px}.question-board,.publish-panel{background:var(--panel);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow)}.question-board{padding:28px 30px;min-height:620px}.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;padding-bottom:22px;border-bottom:1px solid var(--line)}.section-head h2,.publish-panel h2{font-size:28px;margin:7px 0 0}.filter-tabs{display:flex;gap:6px;flex-wrap:wrap}.filter-tabs button{border:1px solid var(--line);background:#fff;color:#4a607d;padding:9px 13px;border-radius:9px;cursor:pointer}.filter-tabs button:hover,.filter-tabs button:focus-visible,.filter-tabs button.is-active{border-color:#92baf0;background:#eaf3ff;color:var(--blue)}.question-list{padding-top:6px}.question-row{display:grid;grid-template-columns:82px minmax(0,1fr) 160px;gap:20px;padding:22px 10px;border-bottom:1px solid #e5edf7;border-radius:12px;cursor:pointer;transition:background-color .16s ease,box-shadow .16s ease}.question-row:hover{background:#f7faff;box-shadow:inset 3px 0 0 var(--blue)}.question-row:focus-visible{outline:3px solid rgba(20,111,229,.28);outline-offset:-2px;background:#f7faff}.question-row:last-child{border-bottom:0}.bounty{align-self:start;text-align:center;background:#fff7e8;color:var(--amber);border:1px solid #f3d9aa;border-radius:12px;padding:10px 6px}.bounty b{display:block;font-size:22px}.question-body h3{font-size:19px;margin:0 0 8px}.question-body p{color:var(--muted);line-height:1.65;margin:0 0 12px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.question-meta{display:flex;gap:14px;flex-wrap:wrap;color:#7185a0;font-size:13px}.question-side{text-align:right}.status-pill{display:inline-block;border-radius:999px;padding:7px 11px;background:#eaf7f0;color:var(--green);font-size:13px;font-weight:700}.status-selection_due{background:#fff4df;color:var(--amber)}.status-awarded{background:#eee9ff;color:var(--purple)}.question-side small{display:block;color:var(--muted);margin-top:14px}.question-detail-link{display:inline-block;margin-top:12px;color:var(--blue);font-size:13px;font-weight:700;text-decoration:none}.question-detail-link:hover,.question-detail-link:focus-visible{text-decoration:underline}.question-empty,.question-error{text-align:center;padding:80px 24px;color:var(--muted)}.question-empty strong,.question-error strong{display:block;color:var(--ink);font-size:20px;margin-bottom:10px}.question-skeleton{height:118px;border-radius:12px;margin:16px 0;background:linear-gradient(90deg,#edf2f7 25%,#f8fafc 37%,#edf2f7 63%);background-size:400% 100%;animation:loading 1.3s ease infinite}@keyframes loading{0%{background-position:100% 0}100%{background-position:0 0}}
.question-tools{display:grid;grid-template-columns:minmax(190px,1fr) 150px 150px auto;gap:10px;padding:18px 0 12px;border-bottom:1px solid #e5edf7}.question-tools input,.question-tools select,.publish-panel select{width:100%;height:43px;border:1px solid #cdd9e8;border-radius:9px;background:#fff;color:var(--ink);padding:0 12px;font:inherit}.question-tools input:focus,.question-tools select:focus,.publish-panel select:focus{outline:0;border-color:var(--blue);box-shadow:0 0 0 3px rgba(18,104,232,.12)}.question-tools button{border:0;border-radius:9px;background:var(--blue);color:#fff;padding:0 18px;font-weight:800;cursor:pointer}.question-tools button:hover,.question-tools button:focus-visible{background:var(--blue-dark)}.question-tags{display:flex;gap:6px;flex-wrap:wrap;margin:0 0 10px}.question-tag{display:inline-block;padding:4px 9px;border-radius:999px;background:#edf6ff;color:var(--blue);font-size:12px;font-weight:700}
.question-pagination{display:flex;align-items:center;justify-content:center;gap:12px;padding:22px 0 4px;border-top:1px solid #e5edf7}.question-pagination button{border:1px solid #bcd0ea;background:#fff;color:var(--blue);border-radius:9px;padding:8px 14px;font-weight:700;cursor:pointer}.question-pagination button:hover,.question-pagination button:focus-visible{background:#eaf3ff}.question-pagination button:disabled{color:#91a2b8;background:#f5f7fa;cursor:not-allowed}.question-pagination span{color:var(--muted);font-size:13px}
.question-tag{text-decoration:none}.question-tag:hover,.question-tag:focus-visible{background:#dcecff;text-decoration:underline}
.board-controls{display:flex;align-items:center;justify-content:flex-end;gap:10px;flex-wrap:wrap}.copy-filter-link{border:1px solid #bcd0ea;background:#fff;color:var(--blue);padding:9px 12px;border-radius:9px;font-weight:700;cursor:pointer}.copy-filter-link:hover,.copy-filter-link:focus-visible{background:#eaf3ff;border-color:#92baf0}
.publish-panel{padding:28px}.publish-sticky{position:sticky;top:112px}.publish-intro{color:var(--muted);font-size:14px;line-height:1.65;margin:12px 0 22px}.publish-panel label{display:block;font-size:14px;font-weight:700;margin:15px 0 8px}.publish-panel input,.publish-panel textarea{width:100%;border:1px solid #cdd9e8;border-radius:10px;background:#fff;color:var(--ink);padding:12px 13px;font:inherit;outline:none}.publish-panel textarea{resize:vertical}.publish-panel input:focus,.publish-panel textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(18,104,232,.12)}.coin-input{position:relative}.coin-input span{position:absolute;left:13px;top:13px;color:#f0a11a}.coin-input input{padding-left:32px}.deadline-note{display:flex;justify-content:space-between;gap:12px;color:var(--muted);font-size:13px;margin:14px 0}.deadline-note strong{color:var(--ink)}.publish-submit{width:100%;border:0;border-radius:10px;background:var(--blue);color:#fff;font-size:16px;font-weight:800;padding:14px;cursor:pointer}.publish-submit:hover,.publish-submit:focus-visible{background:var(--blue-dark)}.publish-submit:disabled{opacity:.55;cursor:wait}.form-status{min-height:22px;margin:10px 0 0;font-size:13px;color:var(--muted)}.form-status.is-error{color:#b42318}.form-status.is-success{color:var(--green)}.community-rules{border-top:1px solid var(--line);margin-top:20px;padding-top:18px}.community-rules ul{margin:10px 0 0;padding-left:20px;color:var(--muted);font-size:13px;line-height:1.9}
@media(max-width:980px){.community-header{height:auto;padding:12px 20px}.community-brand span{display:none}.community-header nav a:not(:last-child){display:none}.community-shell{width:min(100% - 28px,760px);margin-top:18px}.community-hero{display:block;padding:25px}.community-hero h1{font-size:32px}.account-card{min-width:0;margin-top:20px}.community-layout{grid-template-columns:1fr}.publish-panel{grid-row:1}.publish-sticky{position:static}.question-board{padding:22px 18px}.section-head{display:block}.board-controls{justify-content:flex-start;margin-top:16px}.filter-tabs{margin-top:0}.question-tools{grid-template-columns:1fr 1fr}.question-tools .search-field{grid-column:1/-1}.question-row{grid-template-columns:70px minmax(0,1fr)}.question-side{grid-column:2;text-align:left;display:flex;align-items:center;gap:12px}.question-side small{margin:0}.community-brand img{width:118px}}
@media(max-width:560px){.community-header nav a{padding:9px}.community-shell{width:calc(100% - 18px)}.community-hero{padding:20px}.community-hero h1{font-size:28px}.account-metrics{grid-template-columns:1fr}.filter-tabs{width:100%}.filter-tabs button{flex:1}.copy-filter-link{width:100%}.question-tools{grid-template-columns:1fr}.question-tools .search-field{grid-column:auto}.question-tools button{height:43px}.question-row{grid-template-columns:1fr}.bounty{width:92px}.question-side{grid-column:1}.publish-panel{padding:22px 18px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.question-skeleton{animation:none}}
.question-body h3 a{color:var(--ink);text-decoration:none}.question-body h3 a:hover,.question-body h3 a:focus-visible{color:var(--blue);text-decoration:underline}
.publish-draft-clear{display:block;min-height:44px;margin-top:10px;padding:8px 14px;border:1px solid #bcd0ea;border-radius:9px;background:#fff;color:var(--blue);font:inherit;cursor:pointer}
.publish-draft-clear:hover,.publish-draft-clear:focus-visible{background:#eaf3ff;border-color:var(--blue)}
.publish-draft-clear:disabled{opacity:.55;cursor:wait}