:root{--bg: #f6f8fb;--surface: #ffffff;--surface-2: #f1f4f9;--border: #e3e8f0;--text: #1b2430;--text-2: #5b6675;--text-3: #8a94a6;--primary: #2f6bff;--primary-dark: #1f52d8;--primary-soft: #eaf0ff;--success: #16a34a;--warning: #d97706;--danger: #e5484d;--radius: 12px;--shadow: 0 4px 20px rgba(30, 41, 59, .06);--shadow-lg: 0 12px 40px rgba(30, 41, 59, .12)}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}button{font-family:inherit;cursor:pointer}.app{display:flex;flex-direction:column;min-height:100vh}.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}.topbar{position:sticky;top:0;z-index:50;background:#ffffffd9;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}.topbar-inner{display:flex;align-items:center;gap:16px;height:60px}.brand{display:flex;align-items:center;gap:8px;font-weight:700;font-size:17px;color:var(--text);white-space:nowrap}.brand .logo{width:30px;height:30px;border-radius:8px;background:linear-gradient(135deg,#2f6bff,#6a8bff);display:grid;place-items:center;color:#fff;font-size:15px}.nav-search{flex:1;max-width:420px;display:flex;align-items:center;gap:8px;background:var(--surface-2);border:1px solid transparent;border-radius:999px;padding:8px 16px;color:var(--text-3)}.nav-search:focus-within{border-color:var(--primary);background:#fff}.nav-search input{flex:1;border:none;outline:none;background:transparent;font-size:14px;color:var(--text)}.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto}.nav-btn{border:none;background:transparent;color:var(--text-2);font-size:14px;padding:8px 12px;border-radius:8px;font-weight:500}.nav-btn:hover{background:var(--surface-2);color:var(--text)}.nav-btn.primary{background:var(--primary);color:#fff}.nav-btn.primary:hover{background:var(--primary-dark)}.user-chip{display:flex;align-items:center;gap:8px;background:var(--surface-2);border-radius:999px;padding:5px 6px 5px 14px}.user-chip .avatar{width:28px;height:28px;border-radius:50%;background:var(--primary);color:#fff;display:grid;place-items:center;font-size:13px;font-weight:600}.user-chip .logout{border:none;background:transparent;color:var(--text-3);padding:4px 8px;border-radius:6px}.user-chip .logout:hover{background:#fff;color:var(--danger)}.hero{padding:48px 0 32px}.hero h1{font-size:34px;margin:0 0 8px;letter-spacing:-.5px}.hero p{color:var(--text-2);font-size:16px;margin:0;max-width:640px}.hero .stats{display:flex;gap:24px;margin-top:20px;flex-wrap:wrap}.hero .stat b{font-size:24px;color:var(--primary)}.hero .stat span{color:var(--text-3);font-size:13px;display:block}.section-title{font-size:20px;margin:28px 0 16px}.cat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:16px}.cat-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px;cursor:pointer;transition:transform .15s,box-shadow .15s}.cat-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:var(--primary)}.cat-card .icon{font-size:30px}.cat-card h3{margin:10px 0 4px;font-size:17px}.cat-card p{margin:0;color:var(--text-2);font-size:13px}.cat-card .meta{margin-top:12px;font-size:12px;color:var(--primary);font-weight:600}.item-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:14px}.item-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px;cursor:pointer;transition:transform .15s,box-shadow .15s}.item-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}.item-card h4{margin:0 0 4px;font-size:15px}.item-card p{margin:0;color:var(--text-2);font-size:12px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.item-card .tags{display:flex;flex-wrap:wrap;gap:4px;margin-top:10px}.tag{font-size:11px;padding:2px 8px;border-radius:999px;background:var(--primary-soft);color:var(--primary)}.tag.diff{background:var(--surface-2);color:var(--text-2)}.filterbar{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:18px}.pill{border:1px solid var(--border);background:#fff;color:var(--text-2);border-radius:999px;padding:6px 14px;font-size:13px;cursor:pointer}.pill.active{background:var(--primary);border-color:var(--primary);color:#fff}.detail{padding:28px 0 80px}.breadcrumb{color:var(--text-3);font-size:13px;margin-bottom:16px}.detail-head{display:flex;align-items:flex-start;gap:16px;flex-wrap:wrap}.detail-head h1{margin:4px 0 8px;font-size:26px}.detail-head .desc{color:var(--text-2);max-width:720px}.demo-stage{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:28px;margin:20px 0;min-height:220px;display:grid;place-items:center;box-shadow:var(--shadow)}.demo-inner{width:100%;display:grid;place-items:center}.prompt-card{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:20px;position:relative;margin-top:16px}.prompt-card h3{margin:0 0 12px;font-size:16px;display:flex;align-items:center;gap:8px}.copy-float{position:fixed;right:28px;bottom:28px;display:flex;flex-direction:column;align-items:center;gap:8px;z-index:60}.copy-float .copy-btn{width:64px;height:64px;border-radius:50%;border:none;background:linear-gradient(135deg,#2f6bff,#6a8bff);color:#fff;font-size:14px;font-weight:600;box-shadow:0 10px 30px #2f6bff66;display:grid;place-items:center;transition:transform .15s}.copy-float .copy-btn:hover{transform:scale(1.06)}.copy-float .copy-btn.copied{background:linear-gradient(135deg,#16a34a,#22c55e)}.copy-float .copy-hint{background:var(--surface);border:1px solid var(--border);color:var(--text-2);font-size:12px;padding:4px 10px;border-radius:999px;box-shadow:var(--shadow)}.prompt-text{white-space:pre-wrap;font-size:14px;color:var(--text);background:var(--surface-2);border-radius:10px;padding:16px;line-height:1.7;max-height:340px;overflow:auto}.action-row{display:flex;gap:10px;margin-top:16px;flex-wrap:wrap}.btn{border:1px solid var(--border);background:#fff;color:var(--text);padding:9px 16px;border-radius:9px;font-size:14px;font-weight:500;display:inline-flex;align-items:center;gap:6px}.btn:hover{background:var(--surface-2)}.btn.primary{background:var(--primary);border-color:var(--primary);color:#fff}.btn.primary:hover{background:var(--primary-dark)}.btn.danger{background:var(--danger);border-color:var(--danger);color:#fff}.btn.ghost{background:transparent}.page-head{padding:32px 0 8px}.page-head h1{margin:0 0 6px;font-size:28px}.page-head .sub{color:var(--text-2);margin:0}.auth-wrap{display:grid;place-items:center;padding:60px 0}.auth-card{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:32px;width:100%;max-width:400px;box-shadow:var(--shadow)}.auth-card h2{margin:0 0 18px}.field{margin-bottom:14px}.field label{display:block;font-size:13px;color:var(--text-2);margin-bottom:6px}.field input,.field textarea,.field select{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:9px;font-size:14px;outline:none;font-family:inherit;background:#fff}.field input:focus,.field textarea:focus,.field select:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-soft)}.err-msg{color:var(--danger);font-size:13px;margin:0 0 10px}.msg-ok{color:var(--success);font-size:13px;margin:0 0 10px}.admin-tabs{display:flex;gap:8px;margin:20px 0;flex-wrap:wrap}.admin-table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--border);border-radius:12px;overflow:hidden}.admin-table th,.admin-table td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--border);font-size:14px;vertical-align:top}.admin-table th{background:var(--surface-2);font-weight:600}.status-pill{font-size:12px;padding:2px 10px;border-radius:999px}.status-pill.pending{background:#fef3c7;color:var(--warning)}.status-pill.approved{background:#dcfce7;color:var(--success)}.status-pill.rejected{background:#fee2e2;color:var(--danger)}.status-pill.published{background:#dbeafe;color:var(--primary-dark)}.form-page{padding:28px 0 60px}.form-card{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:24px;max-width:640px;box-shadow:var(--shadow)}.footer{margin-top:auto;border-top:1px solid var(--border);padding:24px 0;color:var(--text-3);font-size:13px}.footer-inner{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}@keyframes spin{to{transform:rotate(360deg)}}@keyframes fadeUp{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes slideRight{0%{opacity:0;transform:translate(-20px)}to{opacity:1;transform:translate(0)}}@keyframes slideLeft{0%{opacity:0;transform:translate(20px)}to{opacity:1;transform:translate(0)}}@keyframes slideUp{0%{transform:translateY(100%)}to{transform:translateY(0)}}@keyframes ripple{to{transform:scale(1);opacity:0}}@keyframes bounce{0%,80%,to{transform:scale(.6);opacity:.5}40%{transform:scale(1);opacity:1}}@keyframes skeletonPulse{0%,to{opacity:1}50%{opacity:.55}}@keyframes popIn{0%{transform:scale(0)}60%{transform:scale(1.3)}to{transform:scale(1)}}@keyframes heartbeat{0%,to{transform:scale(1)}30%{transform:scale(1.4)}60%{transform:scale(.9)}}@media (max-width: 640px){.nav-links .nav-btn.hide-sm{display:none}.hero h1{font-size:26px}.brand span.tagline{display:none}}