:root{
  --navy:#0F2A4A; --blue:#1E5AA8; --blue-d:#164a8c;
  --bg:#f5f6f8; --card:#fff; --text:#16212E; --muted:#5A6779; --border:#E2E8F0;
  --shadow:0 2px 12px rgba(15,42,74,.06); --shadow-lg:0 12px 34px rgba(15,42,74,.12);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font-size:16px;line-height:1.85;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;height:auto}

.abar{background:var(--navy);color:#fff;position:sticky;top:0;z-index:20}
.awrap{max-width:860px;margin:0 auto;padding:0 20px}
.abar .awrap{display:flex;align-items:center;justify-content:space-between;height:58px}
.abrand{color:#fff;font-weight:800;letter-spacing:.3px;font-size:15.5px}
.abrand:hover{text-decoration:none}
.atel{color:#cfe0f5;font-size:14px;border:1px solid rgba(255,255,255,.3);border-radius:100px;padding:5px 14px}
.atel:hover{background:rgba(255,255,255,.1);text-decoration:none}

main{max-width:860px;margin:0 auto;padding:26px 20px 10px}
.crumb{font-size:13px;color:var(--muted);margin-bottom:14px}
.crumb a{color:var(--muted)}

article{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:34px 38px 30px;box-shadow:var(--shadow)}
@media(max-width:620px){article{padding:24px 20px 22px}}
h1{font-size:27px;line-height:1.4;color:var(--navy);margin:4px 0 12px;letter-spacing:.2px}
@media(max-width:620px){h1{font-size:22px}}
.ameta{font-size:13px;color:var(--muted);border-bottom:1px solid var(--border);padding-bottom:16px;margin-bottom:22px}
h2{font-size:20px;color:var(--navy);margin:30px 0 10px;letter-spacing:.2px}
h3{font-size:16.5px;color:var(--navy);margin:20px 0 6px}
p{margin:10px 0;color:#26313F}
ul,ol{margin:10px 0;padding-left:22px}
li{margin:5px 0;color:#26313F}
b,strong{color:var(--navy)}
.lead{font-size:16.5px;color:#33425a}
.note{background:#f1f6fc;border-left:3px solid var(--blue);border-radius:8px;padding:12px 16px;margin:16px 0;font-size:14.5px;color:#2c3b50}

.afaq{margin-top:30px;border-top:1px solid var(--border);padding-top:6px}
.afaq h2{margin-top:22px}
.faq-item{border:1px solid var(--border);border-radius:12px;margin:10px 0;background:#fff;overflow:hidden}
.faq-item summary{cursor:pointer;list-style:none;padding:14px 18px;font-weight:700;color:var(--navy);font-size:15px;position:relative;padding-right:44px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";position:absolute;right:18px;top:50%;transform:translateY(-50%);color:var(--blue);font-size:19px}
.faq-item[open] summary::after{content:"–"}
.faq-item p{padding:0 18px 16px;font-size:14.5px;color:var(--muted);margin:0}

.acta{margin:28px 0 6px;background:linear-gradient(135deg,#0F2A4A,#164a8c);color:#fff;border-radius:14px;padding:22px 24px}
.acta h3{color:#fff;margin:0 0 6px;font-size:17px}
.acta p{color:#cddcf0;font-size:14px;margin:0 0 14px}
.acta a.btn{display:inline-block;background:#fff;color:var(--navy);font-weight:800;border-radius:100px;padding:10px 22px;font-size:14.5px}
.acta a.btn:hover{text-decoration:none;background:#eaf1fb}

.afoot{max-width:860px;margin:0 auto;padding:22px 20px 44px;color:var(--muted);font-size:13px;text-align:center;line-height:1.7}

/* 列表页 */
.acards{display:grid;gap:16px;margin-top:8px}
.acard{display:block;background:var(--card);border:1px solid var(--border);border-radius:14px;padding:20px 22px;box-shadow:var(--shadow);transition:box-shadow .2s,transform .2s}
.acard:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px);text-decoration:none}
.acard h3{margin:0 0 6px;font-size:17px;color:var(--navy)}
.acard p{margin:0;color:var(--muted);font-size:14px;line-height:1.7}
.acard .tag{display:inline-block;font-size:12px;color:var(--blue);background:#eef4fc;border-radius:100px;padding:3px 10px;margin-bottom:10px}