:root{--primary:#6366f1;--primary-dark:#4f46e5;--primary-light:#818cf8;--primary-bg:#eef2ff;--success:#22c55e;--warning:#f59e0b;--danger:#ef4444;--gray-50:#f8fafc;--gray-100:#f1f5f9;--gray-200:#e2e8f0;--gray-300:#cbd5e1;--gray-400:#94a3b8;--gray-500:#64748b;--gray-600:#475569;--gray-700:#334155;--gray-800:#1e293b;--gray-900:#0f172a;--gold:#fbbf24;--radius:12px;--shadow:0 1px 3px #00000014;--shadow-lg:0 10px 30px #0000001a}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--gray-50);color:var(--gray-800);font-family:-apple-system,PingFang SC,Microsoft YaHei,Hiragino Sans GB,system-ui,sans-serif;line-height:1.6}a{color:inherit;text-decoration:none}img{max-width:100%}.container{max-width:1200px;margin:0 auto;padding:0 16px}.header{border-bottom:1px solid var(--gray-200);z-index:100;background:#fff;position:sticky;top:0}.header-inner{align-items:center;gap:20px;height:60px;display:flex}.logo{flex-shrink:0;align-items:center;gap:6px;font-weight:800;display:flex}.logo-icon{font-size:24px}.logo-text{color:var(--primary);font-size:20px}.logo-sub{color:var(--gray-400);margin-left:4px;font-size:11px}.nav{gap:4px;display:flex}.nav-link{color:var(--gray-600);border-radius:8px;align-items:center;gap:4px;padding:8px 12px;font-size:14px;font-weight:500;transition:all .15s;display:flex}.nav-link:hover,.nav-link.active{color:var(--primary);background:var(--primary-bg)}.search-box{background:var(--gray-100);border-radius:20px;flex:1;align-items:center;gap:6px;max-width:280px;padding:6px 14px;display:flex}.search-box input{width:100%;color:var(--gray-700);background:0 0;border:none;outline:none;font-size:13px}.search-box svg{color:var(--gray-400);flex-shrink:0}.header-right{align-items:center;gap:10px;margin-left:auto;display:flex}.menu-toggle{cursor:pointer;color:var(--gray-600);background:0 0;border:none;display:none}.auth-btns{gap:6px;display:flex}.user-menu{align-items:center;gap:8px;display:flex}.user-dropdown{position:relative}.avatar-btn{border:2px solid var(--primary-bg);background:var(--primary);cursor:pointer;border-radius:50%;justify-content:center;align-items:center;width:34px;height:34px;display:flex;overflow:hidden}.avatar-img{object-fit:cover;width:100%;height:100%}.avatar-text{color:#fff;font-size:14px;font-weight:700}.dropdown-menu{border-radius:var(--radius);box-shadow:var(--shadow-lg);border:1px solid var(--gray-200);z-index:200;background:#fff;min-width:200px;display:none;position:absolute;top:42px;right:0;overflow:hidden}.user-dropdown:hover .dropdown-menu,.user-dropdown:focus-within .dropdown-menu{display:block}.dropdown-header{border-bottom:1px solid var(--gray-100);padding:12px 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0}.btn-success{background:var(--success);color:#fff}.btn-warning{background:var(--warning);color:#fff}.btn-danger{background:var(--danger);color:#fff}.btn-gold{color:#fff;background:linear-gradient(135deg,#fbbf24,#f59e0b)}.main{min-height:calc(100vh - 120px)}.hero{text-align:center;color:#fff;background:linear-gradient(135deg,#4f46e5,#7c3aed,#a855f7);padding:60px 0}.hero h1{text-shadow:0 2px 20px #00000026;margin-bottom:12px;font-size:40px;font-weight:900}.hero h1 .gem{font-size:48px}.hero p{opacity:.9;margin-bottom:24px;font-size:18px}.hero-btns{flex-wrap:wrap;justify-content:center;gap:12px;display:flex}.hero .btn{box-shadow:0 4px 15px #0003}.stats-bar{border-top:1px solid #fff3;justify-content:center;gap:40px;margin-top:30px;padding-top:20px;display:flex}.stat-item{text-align:center}.stat-num{font-size:28px;font-weight:900}.stat-lbl{opacity:.7;font-size:12px}.section{padding:40px 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.label{color:var(--gray-400);font-size:13px}.admin-table{border-radius:var(--radius);width:100%;box-shadow:var(--shadow);background:#fff;overflow:hidden}.admin-table th,.admin-table td{text-align:left;border-bottom:1px solid var(--gray-100);padding:12px 16px;font-size:13px}.admin-table th{background:var(--gray-50);color:var(--gray-600);font-weight:600}.empty{text-align:center;color:var(--gray-400);padding:60px 20px}.empty-icon{margin-bottom:12px;font-size:48px;display:block}.empty p{font-size:15px}.locked-overlay{text-align:center;background:linear-gradient(#0000,#fff 60%);border-radius:12px;margin-top:-60px;padding:40px;position:relative}.comment-list{margin-top:30px}.comment-item{border-bottom:1px solid var(--gray-100);gap:12px;padding:14px 0;display:flex}.comment-avatar{background:var(--primary);color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:36px;height:36px;font-size:14px;font-weight:600;display:flex}.comment-body{flex:1}.comment-header{align-items:center;gap:8px;margin-bottom:4px;display:flex}.comment-author{font-size:13px;font-weight:600}.comment-time{color:var(--gray-400);font-size:12px}.comment-text{font-size:14px;line-height:1.6}.footer{background:var(--gray-800);color:var(--gray-400);text-align:center;margin-top:40px;padding:30px 0}.footer-links{margin:8px 0}.footer-links a{color:var(--gray-300);margin:0 6px}.footer-links a:hover{color:#fff}.copyright{margin-top:8px;font-size:12px}.spinner{border:3px solid var(--gray-200);border-top-color:var(--primary);border-radius:50%;width:32px;height:32px;margin:40px auto;animation:.6s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}@media (width<=768px){.nav{box-shadow:var(--shadow-lg);z-index:200;background:#fff;flex-direction:column;padding:10px;display:none;position:absolute;top:60px;left:0;right:0}.nav-open{display:flex}.menu-toggle{display:block}.search-box{max-width:180px}.hero h1{font-size:26px}.hero p{font-size:15px}.stats-bar{gap:20px}.stat-num{font-size:20px}.card-grid,.card-grid-3,.card-grid-4{grid-template-columns:1fr}.detail-title{font-size:22px}}