/* beijingshijian.net - 专业时间服务平台 */
:root{--beijingshijian-primary:#1a1a1a;--beijingshijian-accent:#007bff;--beijingshijian-accent-hover:#0069d9;--beijingshijian-text-primary:#1a1a1a;--beijingshijian-text-secondary:#5a5a5a;--beijingshijian-text-muted:#888;--beijingshijian-bg:#f5f7fa;--beijingshijian-card:#ffffff;--beijingshijian-card-alt:#fafbfc;--beijingshijian-border:#e0e3e8;--beijingshijian-border-light:#f0f2f5;--beijingshijian-success:#28a745;--beijingshijian-warning:#ffc107;--beijingshijian-highlight:#007bff;--beijingshijian-gradient-start:#0066cc;--beijingshijian-gradient-end:#0088ee}
*{margin:0;padding:0;box-sizing:border-box}
html,body{height:100%;overflow-x:hidden}
html:fullscreen{overflow:hidden}
body{font-family:'Segoe UI','PingFang SC','Microsoft YaHei',system-ui,-apple-system,sans-serif;background:var(--beijingshijian-bg);min-height:100vh;color:var(--beijingshijian-text-primary);line-height:1.6}
.beijingshijian-container{max-width:1100px;margin:0 auto;padding:60px 20px}
@media(max-width:1100px){.beijingshijian-container{padding:40px 15px}}
.beijingshijian-header{text-align:center;margin-bottom:50px}
.beijingshijian-header h1{font-size:32px;font-weight:600;letter-spacing:8px;margin-bottom:12px;color:var(--beijingshijian-primary);background:linear-gradient(135deg,var(--beijingshijian-gradient-start),var(--beijingshijian-gradient-end));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.beijingshijian-header p{font-size:14px;color:var(--beijingshijian-text-secondary);letter-spacing:2px;display:flex;align-items:center;justify-content:center;gap:12px}
@media(max-width:600px){.beijingshijian-header h1{font-size:22px;letter-spacing:4px}}
.beijingshijian-sync-indicator{display:inline-flex;align-items:center;gap:8px}
.beijingshijian-sync-dot{width:8px;height:8px;background:var(--beijingshijian-success);border-radius:50%;animation:beijingshijian-pulse 2s ease-in-out infinite}
@keyframes beijingshijian-pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:0.6;transform:scale(1.2)}}
.beijingshijian-time-section{background:var(--beijingshijian-card-alt);border:1px solid var(--beijingshijian-border);border-radius:16px;padding:60px 40px;margin-bottom:30px;box-shadow:0 2px 12px rgba(0,0,0,0.03)}
@media(max-width:600px){.beijingshijian-time-section{padding:40px 20px}}
.beijingshijian-time-display{position:relative;text-align:center;margin-bottom:30px}
.beijingshijian-fullscreen-btn{position:absolute;right:20px;top:20px;background:var(--beijingshijian-card);border:2px solid var(--beijingshijian-accent);color:var(--beijingshijian-accent);width:44px;height:44px;border-radius:10px;cursor:pointer;font-size:18px;transition:all 0.2s ease;font-weight:500}
.beijingshijian-fullscreen-btn:hover{background:var(--beijingshijian-accent);color:#fff;transform:scale(1.05)}
.beijingshijian-fullscreen-btn:focus{outline:none}
@media(max-width:1024px){.beijingshijian-fullscreen-btn{display:none}}
.beijingshijian-sound-btn{position:absolute;right:20px;top:74px;background:var(--beijingshijian-card);border:2px solid var(--beijingshijian-accent);color:var(--beijingshijian-accent);width:44px;height:44px;border-radius:10px;cursor:pointer;font-size:18px;transition:all 0.2s ease;font-weight:500}
.beijingshijian-sound-btn:hover{background:var(--beijingshijian-accent);color:#fff;transform:scale(1.05)}
.beijingshijian-sound-btn:focus{outline:none}
.beijingshijian-sound-btn.muted{color:#ccc;border-color:#ccc}
.beijingshijian-sound-btn.muted:hover{background:#ccc;color:#fff}
@media(max-width:1024px){.beijingshijian-sound-btn{display:none}}
.beijingshijian-time-wrapper{display:flex;align-items:baseline;justify-content:center;gap:6px}
.beijingshijian-time-main{font-size:85px;font-weight:300;font-family:'SF Mono','Consolas','Monaco',monospace;letter-spacing:6px;color:var(--beijingshijian-primary);text-shadow:0 2px 8px rgba(0,0,0,0.08)}
@media(max-width:768px){.beijingshijian-time-main{font-size:50px;letter-spacing:3px}}
@media(max-width:480px){.beijingshijian-time-main{font-size:38px;letter-spacing:2px}}
.beijingshijian-time-milliseconds{font-size:32px;color:var(--beijingshijian-text-muted);font-family:'SF Mono','Consolas','Monaco',monospace;font-weight:400}
@media(max-width:768px){.beijingshijian-time-milliseconds{font-size:22px}}
.beijingshijian-date-row{display:flex;justify-content:center;gap:30px;margin-top:35px;flex-wrap:wrap}
.beijingshijian-date-item{font-size:16px;color:var(--beijingshijian-text-secondary);letter-spacing:1px;padding:10px 24px;background:var(--beijingshijian-card);border-radius:8px;border:1px solid var(--beijingshijian-border);transition:all 0.2s ease}
.beijingshijian-date-item:hover{border-color:var(--beijingshijian-accent);box-shadow:0 2px 8px rgba(0,123,255,0.1)}
.beijingshijian-date-item.lunar{color:var(--beijingshijian-accent);background:rgba(0,123,255,0.05);border-color:rgba(0,123,255,0.15)}
@media(max-width:480px){.beijingshijian-date-row{gap:12px}.beijingshijian-date-item{font-size:14px;padding:8px 16px}}
.beijingshijian-compare-section{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px;margin-bottom:30px}
.beijingshijian-compare-card{background:var(--beijingshijian-card-alt);border:1px solid var(--beijingshijian-border);border-radius:12px;padding:28px;text-align:center;transition:all 0.2s ease}
.beijingshijian-compare-card:hover{border-color:var(--beijingshijian-accent);box-shadow:0 4px 16px rgba(0,123,255,0.08);transform:translateY(-2px)}
.beijingshijian-compare-card .label{font-size:12px;color:var(--beijingshijian-text-muted);margin-bottom:12px;text-transform:uppercase;letter-spacing:1.5px}
.beijingshijian-compare-card .time{font-size:30px;font-family:'SF Mono','Consolas','Monaco',monospace;color:var(--beijingshijian-primary);font-weight:400;margin-bottom:10px}
.beijingshijian-compare-card.server .time{color:var(--beijingshijian-success);font-weight:500}
.beijingshijian-compare-card.local .time{color:var(--beijingshijian-text-secondary)}
.beijingshijian-compare-card .status{font-size:13px;color:var(--beijingshijian-text-secondary)}
.beijingshijian-compare-card.server .status{color:var(--beijingshijian-success)}
.beijingshijian-compare-card .diff{font-size:12px;color:var(--beijingshijian-warning);margin-top:6px;font-weight:500}
.beijingshijian-world-time-section{background:var(--beijingshijian-card-alt);border:1px solid var(--beijingshijian-border);border-radius:12px;padding:35px;margin-bottom:30px}
.beijingshijian-section-title{font-size:18px;margin-bottom:25px;padding-bottom:15px;border-bottom:1px solid var(--beijingshijian-border);color:var(--beijingshijian-primary);font-weight:600;display:flex;align-items:center;gap:8px}
.beijingshijian-world-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:15px}
.beijingshijian-world-item{background:var(--beijingshijian-card);border:1px solid var(--beijingshijian-border);border-radius:10px;padding:18px 15px;text-align:center;transition:all 0.2s ease}
.beijingshijian-world-item:hover{border-color:var(--beijingshijian-accent);transform:translateY(-2px);box-shadow:0 4px 12px rgba(0,123,255,0.06)}
.beijingshijian-world-item .city{font-size:14px;color:var(--beijingshijian-text-primary);margin-bottom:8px;font-weight:500}
.beijingshijian-world-item .time{font-size:21px;font-family:'SF Mono','Consolas','Monaco',monospace;margin-bottom:5px}
.beijingshijian-world-item .beijingshijian-same-time{color:var(--beijingshijian-primary)}
.beijingshijian-world-item .beijingshijian-diff-time{color:#28a745;font-weight:500}
.beijingshijian-world-item .date{font-size:11px;margin-bottom:6px}
.beijingshijian-world-item .beijingshijian-same-date{color:var(--beijingshijian-text-muted)}
.beijingshijian-world-item .beijingshijian-diff-date{color:#28a745;font-weight:600}
.beijingshijian-world-item .timezone{font-size:10px;color:var(--beijingshijian-text-muted);padding:3px 8px;background:var(--beijingshijian-card-alt);border-radius:4px;border:1px solid var(--beijingshijian-border-light);display:inline-block}
.beijingshijian-features{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px;margin-bottom:30px}
.beijingshijian-feature-card{background:var(--beijingshijian-card-alt);border:1px solid var(--beijingshijian-border);border-radius:12px;padding:28px;text-align:center;transition:all 0.2s ease}
.beijingshijian-feature-card:hover{border-color:var(--beijingshijian-accent);box-shadow:0 4px 16px rgba(0,123,255,0.08);transform:translateY(-2px)}
.beijingshijian-feature-card .icon{font-size:32px;margin-bottom:15px}
.beijingshijian-feature-card h3{font-size:16px;margin-bottom:10px;color:var(--beijingshijian-primary);font-weight:600}
.beijingshijian-feature-card p{font-size:14px;color:var(--beijingshijian-text-secondary);line-height:1.7}
.beijingshijian-info-section{background:var(--beijingshijian-card-alt);border:1px solid var(--beijingshijian-border);border-radius:12px;padding:35px;margin-bottom:30px}
.beijingshijian-info-section p{font-size:15px;color:var(--beijingshijian-text-secondary);line-height:1.9;margin-bottom:18px;text-indent:2em}
.beijingshijian-info-section p:last-child{margin-bottom:0}
.beijingshijian-links-section{background:var(--beijingshijian-card-alt);border:1px solid var(--beijingshijian-border);border-radius:12px;padding:30px;margin-bottom:40px}
.beijingshijian-links-section h3{font-size:16px;color:var(--beijingshijian-primary);margin-bottom:18px;padding-bottom:12px;border-bottom:1px solid var(--beijingshijian-border);font-weight:600}
.beijingshijian-links-list{display:flex;flex-wrap:wrap;gap:12px}
.beijingshijian-links-list a{display:inline-flex;align-items:center;gap:8px;padding:10px 20px;background:var(--beijingshijian-card);border:1px solid var(--beijingshijian-border);border-radius:8px;color:var(--beijingshijian-text-primary);text-decoration:none;font-size:14px;transition:all 0.2s ease}
.beijingshijian-links-list a:hover{background:var(--beijingshijian-accent);border-color:var(--beijingshijian-accent);color:#fff;transform:translateY(-1px)}
.beijingshijian-footer{text-align:center;padding:30px 0;border-top:1px solid var(--beijingshijian-border)}
.beijingshijian-footer p{font-size:13px;color:var(--beijingshijian-text-muted);margin-bottom:12px}
.beijingshijian-footer a{color:var(--beijingshijian-text-secondary);text-decoration:none;margin:0 18px;font-size:13px;transition:color 0.2s ease}
.beijingshijian-footer a:hover{color:var(--beijingshijian-accent)}
.beijingshijian-mark{display:none}