/* ============================================================
 * api123.css - 北京时间校准网 主题样式 (api123.cn)
 * 主题: 墨绿色系 | 设计: 独立原创模板
 * 结构: 顶栏导航 / 主时钟 / 对比卡 / 全球时间 / 图文模块 / 链接区
 * ============================================================ */
:root{
  --bjc-deep:#0d3a25;
  --bjc-deep2:#124a30;
  --bjc-primary:#15613e;
  --bjc-primary-soft:#e4f1e9;
  --bjc-accent:#1e8a58;
  --bjc-accent-dark:#14663f;
  --bjc-gold:#b98a1c;
  --bjc-red:#c0392b;
  --bjc-text:#22322b;
  --bjc-text2:#4d5e55;
  --bjc-text3:#84948b;
  --bjc-bg:#edf3ee;
  --bjc-card:#ffffff;
  --bjc-card2:#f5faf6;
  --bjc-border:#d6e2d9;
  --bjc-border2:#e5efe7;
  --bjc-radius:12px;
  --bjc-shadow:0 2px 10px rgba(13,58,37,.07);
}
*{margin:0;padding:0;box-sizing:border-box}
html,body{height:100%;overflow-x:hidden}
html:fullscreen{overflow:hidden}
body{font-family:'PingFang SC','Microsoft YaHei','Segoe UI',system-ui,-apple-system,sans-serif;background:var(--bjc-bg);min-height:100vh;color:var(--bjc-text);line-height:1.65;font-size:15px}
img{vertical-align:middle;border:0}
a{color:var(--bjc-primary);text-decoration:none}
button{font-family:inherit}
.bjc-wrap{max-width:1080px;margin:0 auto;padding:0 16px}

/* ---------------- 顶部导航 ---------------- */
.bjc-header{background:linear-gradient(135deg,var(--bjc-deep) 0%,var(--bjc-deep2) 70%,var(--bjc-primary) 100%);box-shadow:0 2px 8px rgba(13,58,37,.25);position:relative;z-index:100}
.bjc-header-inner{max-width:1080px;margin:0 auto;padding:12px 16px;display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.bjc-logo{display:flex;flex-direction:column;line-height:1.25;white-space:nowrap}
.bjc-logo b{font-size:22px;font-weight:700;color:#fff;letter-spacing:2px}
.bjc-logo i{font-style:normal;font-size:12px;color:#9fd4b4;letter-spacing:3px}
.bjc-search{flex:1;min-width:220px;max-width:430px;display:flex;background:#fff;border-radius:20px;overflow:hidden;border:2px solid rgba(255,255,255,.25)}
.bjc-search input{flex:1;border:0;outline:none;padding:9px 16px;font-size:14px;color:var(--bjc-text);background:transparent;min-width:0}
.bjc-search input::placeholder{color:var(--bjc-text3)}
.bjc-search button{border:0;background:var(--bjc-accent);color:#fff;padding:0 22px;font-size:14px;cursor:pointer;letter-spacing:2px;transition:background .2s}
.bjc-search button:hover{background:var(--bjc-accent-dark)}
.bjc-nav{margin-left:auto}
.bjc-nav>ul{list-style:none;display:flex;align-items:center;gap:4px}
.bjc-nav>ul>li{position:relative}
.bjc-nav>ul>li>a,.bjc-nav .bjc-nav-trigger{display:block;padding:9px 14px;color:#dff0e5;font-size:15px;border-radius:8px;cursor:pointer;white-space:nowrap;transition:background .2s}
.bjc-nav>ul>li>a:hover,.bjc-nav>ul>li:hover .bjc-nav-trigger{background:rgba(255,255,255,.14);color:#fff}
.bjc-nav .bjc-on>a,.bjc-nav .bjc-on .bjc-nav-trigger{background:rgba(255,255,255,.18);color:#fff;font-weight:600}
/* 下拉面板: 按大洲分组的国家时间 */
.bjc-pop{display:none;position:absolute;right:0;top:100%;width:560px;max-width:calc(100vw - 24px);background:#fff;border-radius:12px;box-shadow:0 12px 34px rgba(13,58,37,.28);padding:18px 20px;z-index:120}
.bjc-nav li:hover .bjc-pop,.bjc-nav li:focus-within .bjc-pop{display:block}
.bjc-pop-group{margin-bottom:10px}
.bjc-pop-group:last-child{margin-bottom:0}
.bjc-pop-group>b{display:block;font-size:13px;color:var(--bjc-primary);border-bottom:1px solid var(--bjc-border2);padding-bottom:5px;margin-bottom:8px;letter-spacing:1px}
.bjc-pop-list{list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:2px 12px}
.bjc-pop-list a{display:flex;align-items:center;gap:7px;padding:4px 6px;font-size:13px;color:var(--bjc-text2);border-radius:6px;transition:background .15s,color .15s}
.bjc-pop-list a:hover{background:var(--bjc-primary-soft);color:var(--bjc-primary)}
.bjc-pop-list img{width:21px;height:16px;border-radius:2px;box-shadow:0 0 0 1px rgba(0,0,0,.08);flex:none}
.bjc-pop-more{display:inline-block;margin-top:8px;font-size:13px;color:var(--bjc-accent)}

/* ---------------- 主时钟区 ---------------- */
.bjc-hero{background:var(--bjc-card);border:1px solid var(--bjc-border);border-radius:var(--bjc-radius);box-shadow:var(--bjc-shadow);margin:26px 0 22px;padding:44px 30px 34px;position:relative;text-align:center}
.bjc-hero::before{content:"";position:absolute;left:0;right:0;top:0;height:4px;background:linear-gradient(90deg,var(--bjc-deep),var(--bjc-accent),var(--bjc-deep));border-radius:var(--bjc-radius) var(--bjc-radius) 0 0}
.bjc-hero-head{display:flex;align-items:center;justify-content:center;gap:12px;flex-wrap:wrap;margin-bottom:8px}
.bjc-hero-flag img{width:42px;height:32px;border-radius:4px;box-shadow:0 1px 5px rgba(13,58,37,.3);border:1px solid var(--bjc-border)}
.bjc-hero-head h1{font-size:30px;font-weight:700;color:var(--bjc-deep);letter-spacing:4px}
.bjc-clock{display:flex;align-items:baseline;justify-content:center;gap:4px;margin:10px 0 6px}
.bjc-clock .time{font-size:88px;font-weight:300;font-family:'SF Mono',Consolas,Monaco,'Courier New',monospace;letter-spacing:5px;color:var(--bjc-deep);text-shadow:0 2px 10px rgba(13,58,37,.12);line-height:1.1}
.bjc-clock .ms{font-size:30px;color:var(--bjc-accent);font-family:'SF Mono',Consolas,Monaco,monospace;font-weight:400}
.bjc-hero-meta{display:flex;justify-content:center;align-items:center;gap:10px;flex-wrap:wrap;margin-top:20px}
.bjc-meta-item{font-size:15px;color:var(--bjc-text2);padding:8px 18px;background:var(--bjc-card2);border:1px solid var(--bjc-border);border-radius:8px;white-space:nowrap}
.bjc-meta-item.lunar{color:var(--bjc-primary);background:var(--bjc-primary-soft);border-color:#c4dccc;font-weight:500}
.bjc-sync{display:inline-flex;align-items:center;gap:8px;margin-top:18px;font-size:13px;color:var(--bjc-text3);letter-spacing:1px}
.bjc-sync i{width:8px;height:8px;border-radius:50%;background:var(--bjc-accent);animation:bjcPulse 2s ease-in-out infinite}
@keyframes bjcPulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.55;transform:scale(1.25)}}
.bjc-hero-btns{position:absolute;top:16px;right:16px;display:flex;gap:8px}
.bjc-iconbtn{width:40px;height:40px;border-radius:9px;border:1.5px solid var(--bjc-accent);background:#fff;color:var(--bjc-accent);font-size:16px;cursor:pointer;transition:background .2s,color .2s;display:inline-flex;align-items:center;justify-content:center}
.bjc-iconbtn:hover{background:var(--bjc-accent);color:#fff}
.bjc-iconbtn.muted{color:#b9c6be;border-color:#cfdcd4}
.bjc-iconbtn.muted:hover{background:#b9c6be;color:#fff}

/* ---------------- 时差提示条 ---------------- */
.bjc-diffbar{background:linear-gradient(90deg,var(--bjc-primary-soft),#f2f8f3);border:1px solid #c9decd;border-left:5px solid var(--bjc-primary);border-radius:10px;padding:13px 20px;margin-bottom:22px;font-size:15px;color:var(--bjc-text);display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.bjc-diffbar .lab{color:var(--bjc-primary);font-weight:600}
.bjc-diffbar .main{color:var(--bjc-deep);font-weight:700;font-size:16px}
.bjc-diffbar .dst{color:var(--bjc-gold);font-size:14px}

/* ---------------- 对比卡 ---------------- */
.bjc-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px;margin-bottom:24px}
.bjc-card{background:var(--bjc-card);border:1px solid var(--bjc-border);border-radius:var(--bjc-radius);padding:24px 18px;text-align:center;box-shadow:var(--bjc-shadow);transition:border-color .2s,box-shadow .2s}
.bjc-card:hover{border-color:var(--bjc-accent);box-shadow:0 4px 16px rgba(13,58,37,.12)}
.bjc-card .label{font-size:13px;color:var(--bjc-text3);margin-bottom:10px;letter-spacing:1px}
.bjc-card .time{font-size:32px;font-family:'SF Mono',Consolas,Monaco,monospace;color:var(--bjc-text);font-weight:500;margin-bottom:8px}
.bjc-card .status{font-size:13px;color:var(--bjc-text2)}
.bjc-card.server .time{color:var(--bjc-accent);font-weight:600}
.bjc-card.server .status{color:var(--bjc-accent)}
.bjc-card.beijing .time{color:var(--bjc-red);font-weight:700}
.bjc-card.beijing .status{color:var(--bjc-red);font-weight:500}
.bjc-card .diff{font-size:13px;color:var(--bjc-gold);margin-top:6px;font-weight:600}
.bjc-card .gap{font-size:14px;color:var(--bjc-red);margin-top:6px;font-weight:700}

/* ---------------- 全球时间网格 ---------------- */
.bjc-sec{background:var(--bjc-card);border:1px solid var(--bjc-border);border-radius:var(--bjc-radius);box-shadow:var(--bjc-shadow);padding:28px;margin-bottom:22px}
.bjc-sec-title{font-size:19px;font-weight:700;color:var(--bjc-deep);margin-bottom:18px;padding-bottom:12px;border-bottom:2px solid var(--bjc-primary-soft);display:flex;align-items:center;gap:9px}
.bjc-sec-title::before{content:"";width:5px;height:19px;border-radius:3px;background:linear-gradient(180deg,var(--bjc-accent),var(--bjc-deep))}
.bjc-world{display:grid;grid-template-columns:repeat(auto-fill,minmax(158px,1fr));gap:12px}
.bjc-world-item{background:var(--bjc-card2);border:1px solid var(--bjc-border2);border-radius:10px;padding:14px 10px;text-align:center;transition:border-color .2s,background .2s}
.bjc-world-item:hover{border-color:var(--bjc-accent);background:#fff}
.bjc-world-item .city{font-size:14px;color:var(--bjc-text);font-weight:500;margin-bottom:6px;display:flex;align-items:center;justify-content:center;gap:6px;white-space:nowrap}
.bjc-world-item .city img{width:22px;height:16.5px;border-radius:2px;box-shadow:0 0 0 1px rgba(0,0,0,.08);flex:none}
.bjc-world-item .time{font-size:21px;font-family:'SF Mono',Consolas,Monaco,monospace;color:var(--bjc-deep);font-weight:500;margin-bottom:4px}
.bjc-world-item .date{font-size:11px;color:var(--bjc-text3);margin-bottom:6px;white-space:nowrap}
.bjc-world-item .date.same{color:var(--bjc-text3)}
.bjc-world-item .date.other{color:var(--bjc-accent);font-weight:600}
.bjc-world-item .tz{font-size:10px;color:var(--bjc-text2);padding:2px 9px;background:var(--bjc-primary-soft);border-radius:4px;display:inline-block;white-space:nowrap}

/* ---------------- 折叠大洲列表(主站) ---------------- */
.bjc-conts{display:flex;flex-direction:column;gap:10px}
.bjc-cont{border:1px solid var(--bjc-border2);border-radius:10px;overflow:hidden;background:var(--bjc-card2)}
.bjc-cont summary{cursor:pointer;padding:12px 18px;font-size:15px;font-weight:600;color:var(--bjc-deep);background:#fff;list-style:none;display:flex;align-items:center;gap:8px;user-select:none}
.bjc-cont summary::-webkit-details-marker{display:none}
.bjc-cont summary::before{content:"+";width:22px;height:22px;border-radius:6px;background:var(--bjc-primary-soft);color:var(--bjc-primary);display:inline-flex;align-items:center;justify-content:center;font-weight:700}
.bjc-cont[open] summary::before{content:"−"}
.bjc-cont[open] summary{border-bottom:1px solid var(--bjc-border2)}
.bjc-cont-body{padding:14px 18px;display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:6px 14px}
.bjc-cont-body a{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--bjc-text2);padding:5px 8px;border-radius:6px;white-space:nowrap;overflow:hidden}
.bjc-cont-body a:hover{background:var(--bjc-primary-soft);color:var(--bjc-primary)}
.bjc-cont-body img{width:22px;height:16.5px;border-radius:2px;box-shadow:0 0 0 1px rgba(0,0,0,.08);flex:none}

/* ---------------- 热门链接 ---------------- */
.bjc-hotlinks{display:flex;flex-wrap:wrap;gap:10px}
.bjc-hotlinks a{display:inline-flex;align-items:center;gap:7px;padding:8px 16px;background:var(--bjc-card2);border:1px solid var(--bjc-border);border-radius:8px;color:var(--bjc-text);font-size:14px;transition:border-color .2s,background .2s,color .2s}
.bjc-hotlinks a:hover{background:var(--bjc-primary-soft);border-color:var(--bjc-accent);color:var(--bjc-primary)}
.bjc-hotlinks a img{width:21px;height:16px;border-radius:2px;box-shadow:0 0 0 1px rgba(0,0,0,.08)}
.bjc-hotlinks a span.bjc-tag{display:inline-flex;align-items:center;justify-content:center;min-width:24px;height:20px;padding:0 6px;background:var(--bjc-primary);color:#fff;border-radius:4px;font-size:11px;font-weight:600}

/* ---------------- 特性卡 ---------------- */
.bjc-feats{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin-bottom:24px}
.bjc-feat{background:var(--bjc-card);border:1px solid var(--bjc-border);border-radius:var(--bjc-radius);padding:24px 20px;text-align:center;box-shadow:var(--bjc-shadow)}
.bjc-feat .icon{font-size:30px;margin-bottom:12px}
.bjc-feat h3{font-size:16px;color:var(--bjc-deep);margin-bottom:8px;font-weight:600}
.bjc-feat p{font-size:13.5px;color:var(--bjc-text2);line-height:1.75}

/* ---------------- 图文内容 ---------------- */
.bjc-article p{font-size:15px;color:var(--bjc-text2);line-height:1.95;margin-bottom:15px;text-indent:2em}
.bjc-article p:last-child{margin-bottom:0}
.bjc-article p strong{color:var(--bjc-text)}
.bjc-article .bjc-gapbox{background:#fdf3f0;border-left:4px solid var(--bjc-red);padding:16px 20px;border-radius:8px;margin:18px 0;text-indent:0;font-size:14.5px;color:var(--bjc-red);line-height:1.85}
.bjc-article .bjc-gapbox strong{color:#9c2b1f}
.bjc-article h4{font-size:16px;color:var(--bjc-deep);margin:6px 0 10px;font-weight:600}

/* ---------------- 搜索结果 ---------------- */
.bjc-search-result{background:#fffbe8;border:1px solid #efe3b0;border-radius:10px;padding:14px 18px;margin-bottom:20px;font-size:14px;color:#7a651e}

/* ---------------- 链接区 ---------------- */
.bjc-links-sec{background:var(--bjc-card);border:1px solid var(--bjc-border);border-radius:var(--bjc-radius);box-shadow:var(--bjc-shadow);padding:24px;margin-bottom:26px}
.bjc-links-sec h3{font-size:16px;font-weight:700;color:var(--bjc-deep);margin-bottom:14px;padding-bottom:10px;border-bottom:1px solid var(--bjc-border2);display:flex;align-items:center;gap:8px}
.bjc-links-sec h3::before{content:"";width:4px;height:15px;border-radius:2px;background:var(--bjc-accent)}
.bjc-links-sec .bjc-hotlinks a{background:#fff}
.bjc-linknote{font-size:12.5px;color:var(--bjc-text3);margin-top:12px}

/* ---------------- 页脚 ---------------- */
.bjc-footer{background:linear-gradient(135deg,var(--bjc-deep),var(--bjc-deep2));color:#b7d4c2;margin-top:34px}
.bjc-footer-inner{max-width:1080px;margin:0 auto;padding:28px 16px;text-align:center}
.bjc-footer-nav{display:flex;justify-content:center;flex-wrap:wrap;gap:6px 22px;margin-bottom:14px}
.bjc-footer-nav a{color:#d5e9dc;font-size:13.5px}
.bjc-footer-nav a:hover{color:#fff;text-decoration:underline}
.bjc-footer p{font-size:13px;line-height:1.9}
.bjc-footer p a{color:#9fd4b4}
.bjc-footer p a:hover{color:#fff;text-decoration:underline}

/* ---------------- 返回顶部 ---------------- */
.bjc-totop{position:fixed;right:18px;bottom:88px;width:52px;height:52px;border-radius:12px;border:0;background:var(--bjc-primary);color:#fff;cursor:pointer;box-shadow:0 4px 14px rgba(13,58,37,.35);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1px;opacity:0;visibility:hidden;transform:translateY(14px);transition:opacity .25s,visibility .25s,transform .25s,background .2s;z-index:90}
.bjc-totop.show{opacity:1;visibility:visible;transform:translateY(0)}
.bjc-totop:hover{background:var(--bjc-deep)}
.bjc-totop svg{width:20px;height:20px}
.bjc-totop span{font-size:10px;letter-spacing:1px;white-space:nowrap}
.bjc-brand{display:none}

/* ---------------- 响应式 ---------------- */
@media(max-width:900px){
  .bjc-pop{width:480px}
  .bjc-pop-list{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
  .bjc-header-inner{gap:10px}
  .bjc-logo b{font-size:18px}
  .bjc-logo i{font-size:10px;letter-spacing:2px}
  .bjc-search{order:3;min-width:100%}
  .bjc-nav{margin-left:0;width:100%}
  .bjc-nav>ul{overflow-x:auto;gap:2px;-webkit-overflow-scrolling:touch;padding-bottom:2px}
  .bjc-nav>ul>li>a,.bjc-nav .bjc-nav-trigger{padding:7px 11px;font-size:13.5px}
  .bjc-pop{position:fixed;left:0;right:0;top:auto;width:auto;max-width:none;max-height:70vh;overflow-y:auto}
  .bjc-pop-list{grid-template-columns:repeat(3,1fr)}
  .bjc-clock .time{font-size:52px;letter-spacing:3px}
  .bjc-clock .ms{font-size:20px}
  .bjc-hero{padding:30px 14px 24px;margin-top:16px}
  .bjc-hero-head h1{font-size:22px;letter-spacing:2px}
  .bjc-hero-flag img{width:32px;height:24px}
  .bjc-meta-item{font-size:13px;padding:6px 12px}
  .bjc-sec{padding:18px 14px}
  .bjc-cont-body{grid-template-columns:repeat(2,1fr)}
  .bjc-world{grid-template-columns:repeat(auto-fill,minmax(130px,1fr))}
}
@media(max-width:420px){
  .bjc-clock .time{font-size:40px;letter-spacing:2px}
  .bjc-hero-meta{gap:7px}
  .bjc-pop-list{grid-template-columns:repeat(2,1fr)}
  .bjc-cont-body{grid-template-columns:1fr}
}