:root{
  --bg:#FFF7D6;--blue:#5DB7FF;--pink:#FF8FB3;--yellow:#FFD447;
  --green:#77D982;--text:#2C2C34;--white:#FFFFFF;--muted:#7a7a85;
  --radius:18px;--shadow:0 4px 16px rgba(44,44,52,.10);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
body{
  font-family:"Nunito","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  background:var(--bg);color:var(--text);line-height:1.8;padding-bottom:60px;
}
a{color:var(--blue);text-decoration:none}
a:focus-visible,button:focus-visible{outline:3px solid var(--pink);outline-offset:2px;border-radius:4px}
img{max-width:100%;height:auto;display:block}
@media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}


.site-header{
  background:linear-gradient(135deg,var(--blue),#7AC8FF);
  color:#fff;padding:16px;
  border-bottom-left-radius:28px;border-bottom-right-radius:28px;
  box-shadow:0 6px 20px rgba(93,183,255,.30);
  position:sticky;top:0;z-index:50;
}
.site-header .inner{
  max-width:720px;margin:0 auto;
  display:flex;align-items:center;justify-content:space-between;gap:10px;
}
.site-header .logo{font-size:1.1rem;font-weight:800;white-space:nowrap}
.site-header .logo a{color:#fff}
.site-header .back{
  background:rgba(255,255,255,.25);color:#fff;
  border:none;border-radius:20px;padding:6px 14px;font-size:.82rem;
  font-weight:600;white-space:nowrap;
}
.site-header .back:active{background:rgba(255,255,255,.4)}


.breadcrumb{
  max-width:720px;margin:14px auto 0;padding:0 16px;
  font-size:.8rem;color:#888;line-height:1.8;
}
.breadcrumb a{color:var(--blue)}


.article{max-width:720px;margin:18px auto 0;padding:0 16px}
.article-card{
  background:var(--white);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:22px 20px 26px;
}


.article-header{margin-bottom:20px;padding-bottom:18px;border-bottom:2px dashed #f0e6b8}
.article-title{
  font-size:1.3rem;font-weight:800;line-height:1.5;color:var(--text);
}
.article-meta{
  margin-top:12px;font-size:.78rem;color:var(--muted);
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
}
.article-meta .dot{width:3px;height:3px;border-radius:50%;background:#ccc}


.article-body{font-size:.95rem;line-height:1.85;color:var(--text)}
.article-body p{margin-bottom:14px}
.article-body h2{
  font-size:1.15rem;font-weight:800;margin:28px 0 14px;
  padding-left:12px;border-left:5px solid var(--pink);line-height:1.5;
}
.article-body h3{font-size:1rem;font-weight:700;color:var(--blue);margin:20px 0 10px}
.article-body h4{font-size:.95rem;font-weight:700;margin:16px 0 8px}
.article-body strong{color:#D94F7A}
.article-body a{color:var(--blue);text-decoration:underline}
.article-body ul,.article-body ol{margin:12px 0 16px;padding-left:22px}
.article-body ul li,.article-body ol li{margin-bottom:6px;font-size:.93rem}
.article-body blockquote{
  background:linear-gradient(135deg,#FFF3C4,#FFE8A8);
  border-left:4px solid var(--yellow);border-radius:8px;
  padding:12px 16px;margin:16px 0;font-size:.92rem;color:#6B4E00;
}
.article-body img{
  border-radius:12px;margin:14px auto;
  box-shadow:0 4px 12px rgba(0,0,0,.08);
}
.article-body table{
  width:100%;border-collapse:collapse;margin:16px 0;
  font-size:.85rem;display:block;overflow-x:auto;
}
.article-body table th,.article-body table td{
  border:1px solid #e8e0b8;padding:8px 10px;text-align:left;white-space:nowrap;
}
.article-body table th{background:#FFF3C4;font-weight:700}


.cta-box{
  background:linear-gradient(135deg,var(--pink),#FFB0C8);
  border-radius:18px;padding:22px 20px;text-align:center;
  margin:28px 0 8px;color:#fff;
  box-shadow:0 8px 24px rgba(255,143,179,.35);
}
.cta-box h3{color:#fff;font-size:1.05rem;margin-bottom:8px}
.cta-box p{font-size:.88rem;opacity:.95;margin-bottom:14px}
.cta-btn{
  display:inline-block;background:#fff;color:var(--pink);
  font-weight:800;padding:11px 32px;border-radius:30px;font-size:.95rem;
  box-shadow:0 4px 12px rgba(0,0,0,.12);transition:transform .15s;
}
.cta-btn:active{transform:scale(.95)}


.post-nav{
  max-width:720px;margin:20px auto 0;padding:0 16px;
  display:grid;gap:10px;
}
.post-nav a{
  background:var(--white);border-radius:14px;
  padding:14px 16px;font-size:.85rem;color:var(--muted);
  box-shadow:var(--shadow);display:flex;align-items:center;gap:8px;
}
.post-nav .nav-label{
  background:var(--blue);color:#fff;font-size:.7rem;
  padding:2px 8px;border-radius:10px;font-weight:700;white-space:nowrap;
}
.post-nav .nav-label.none{background:#ddd;color:#999}
.post-nav .nav-title{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}


.site-footer{
  max-width:720px;margin:36px auto 0;padding:0 16px;text-align:center;
  font-size:.78rem;color:#aaa;line-height:1.8;
}
.site-footer .brand{color:var(--blue);font-weight:700}
.site-footer .brand a{color:var(--blue)}


@media(min-width:768px){
  .site-header{padding:18px 24px;position:static}
  .site-header .logo{font-size:1.4rem}
  .article-card{padding:36px 40px}
  .article-title{font-size:1.6rem}
  .article-body{font-size:1rem}
  .article-body h2{font-size:1.3rem}
  .article-body h3{font-size:1.08rem}
}


@media print{
  body{background:#fff;padding:0}
  .site-header{position:static;box-shadow:none;border-radius:0}
  .article-card{box-shadow:none;border:1px solid #eee}
  .cta-box{box-shadow:none;border:2px solid var(--pink)}
  .post-nav a{box-shadow:none;border:1px solid #eee}
}


  :root{--main:#ff6a3d;--main2:#ffd9cc;--ink:#2b2b2b;--sub:#666;--line:#eee;--bg:#fff;}
  *{box-sizing:border-box}
  body{max-width:820px;margin:0 auto;padding:28px 20px 60px;font-family:-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);line-height:1.85;font-size:16px;background:var(--bg)}
  h1{font-size:26px;line-height:1.4;margin:0 0 6px;color:#1f1f1f}
  h2{font-size:21px;margin:34px 0 12px;padding-left:12px;border-left:5px solid var(--main)}
  h3{font-size:18px;margin:18px 0 8px;color:#222}
  p{margin:12px 0}
  ul{margin:10px 0;padding-left:22px}
  li{margin:6px 0}
  b{color:#d8431a}
  .meta-date{color:var(--sub);font-size:14px;margin-bottom:18px}
  .summary{background:#fff7f3;border:1px solid var(--main2);border-radius:12px;padding:16px 20px;margin:22px 0}
  .summary h2{border:none;padding:0;margin:0 0 10px;color:var(--main);font-size:19px}
  .summary ul{margin:0}
  .hk-block{margin:30px 0}
  .hk-intro{background:#f6faff;border-left:4px solid #3a7afe;padding:12px 16px;border-radius:8px}
  .core-card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px 20px;margin:16px 0;box-shadow:0 2px 10px rgba(0,0,0,.03)}
  .core-tag{display:inline-block;background:var(--main);color:#fff;font-size:13px;padding:3px 10px;border-radius:20px;margin-bottom:8px}
  .core-note{background:#fff8f2;color:#9a4a23;font-size:14px;padding:8px 12px;border-radius:8px;margin-top:10px}
  .cmp-block{margin:30px 0}
  .cmp-tip{font-size:13px;color:var(--sub);background:#fbfbfb;border:1px dashed #ccc;padding:10px 14px;border-radius:8px}
  .cmp-table{width:100%;border-collapse:collapse;margin:14px 0;font-size:14px}
  .cmp-table th,.cmp-table td{border:1px solid #e3e3e3;padding:9px 10px;vertical-align:top;text-align:left}
  .cmp-table th{background:#fff1ea;color:#b8431c;font-weight:600}
  .cmp-table .hk-row{background:#fff7f3}
  .cmp-foot{font-size:14px;color:#444;background:#f6faff;padding:10px 14px;border-radius:8px}
  .faq-block{margin:30px 0}
  .faq-item{border:1px solid var(--line);border-radius:10px;padding:12px 16px;margin:12px 0}
  .faq-q{font-weight:700;color:#1f1f1f}
  .faq-a{color:#444;margin-top:6px}
  .closing{background:#fafafa;border-radius:10px;padding:14px 18px;margin:26px 0}
  .deliver{margin:36px 0;padding:20px;border:2px dashed var(--main);border-radius:12px;background:#fffdfb}
  .deliver h2{color:var(--main);border:none;padding:0}
  .deliver .kv{font-size:14px;margin:6px 0}
  .deliver .kv b{color:#333}
  details{background:#fafafa;border:1px solid var(--line);border-radius:10px;padding:10px 14px;margin:14px 0}
  details summary{cursor:pointer;font-weight:600;color:#b8431c}
  pre{white-space:pre-wrap;word-break:break-all;background:#1e1e1e;color:#e6e6e6;padding:14px;border-radius:8px;font-size:12.5px;line-height:1.6;max-height:420px;overflow:auto}