:root{
  --primary:#185FA5; --primary-dark:#0C447C; --primary-light:#E6F1FB;
  --bg:#f5f8fc; --card:#ffffff; --border:#e3e9f0; --text:#1f2d3d; --muted:#5f7185;
  --accent:#0F6E56;
  --radius:14px;
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Segoe UI",sans-serif;background:var(--bg);color:var(--text);line-height:1.7;-webkit-font-smoothing:antialiased}
a{color:var(--primary);text-decoration:none}
.container{max-width:1120px;margin:0 auto;padding:0 20px}

/* hero */
.hero{background:linear-gradient(135deg,#0C447C,#185FA5);color:#fff;padding:58px 20px 50px;text-align:center}
.hero h1{font-size:30px;font-weight:700;letter-spacing:2px}
.hero .en{opacity:.7;font-size:13px;letter-spacing:1px;margin-top:8px}
.hero p{opacity:.92;margin-top:12px;font-size:15px}
.hero .acts{margin-top:24px;display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.btn{display:inline-block;padding:11px 24px;border-radius:10px;font-size:14px;font-weight:500;transition:.2s}
.btn-primary{background:#fff;color:var(--primary-dark)}
.btn-ghost{background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.4)}
.btn:hover{transform:translateY(-1px);opacity:.95}

/* section */
.section{padding:42px 0}
.section h2.title{font-size:21px;font-weight:700;margin-bottom:4px;color:var(--primary-dark)}
.section .sub{color:var(--muted);margin-bottom:24px;font-size:14px}

/* 七编卡片 */
.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:18px;transition:.2s;cursor:pointer;display:block}
.card:hover{box-shadow:0 8px 24px rgba(24,95,165,.14);transform:translateY(-2px);border-color:var(--primary)}
.card .bno{font-size:12px;color:var(--muted);letter-spacing:1px}
.card .bname{font-size:17px;font-weight:600;margin:6px 0;color:var(--primary-dark)}
.card .brange{font-size:12px;color:var(--muted)}
.card .bcount{font-size:26px;font-weight:700;color:var(--primary);margin:8px 0 2px}
.card .bcount small{font-size:13px;font-weight:400;color:var(--muted)}
.card .bcore{font-size:12px;color:var(--muted);margin-top:6px;line-height:1.6}

/* 亮点 */
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.hl{background:var(--card);border:1px solid var(--border);border-left:4px solid var(--accent);border-radius:10px;padding:14px 16px}
.hl .ht{font-weight:600;color:var(--accent);font-size:15px}
.hl .hc{font-size:12px;color:var(--primary);margin:3px 0 5px;font-weight:500}
.hl .hd{font-size:13px;color:var(--muted);line-height:1.6}

/* 时间线 */
.timeline{position:relative;padding:10px 0 4px;max-width:760px}
.tl-item{display:flex;gap:18px;margin-bottom:16px;position:relative}
.tl-date{width:96px;text-align:right;flex-shrink:0;font-weight:600;color:var(--primary-dark);font-size:13px;padding-top:3px}
.tl-dot{width:14px;height:14px;border-radius:50%;background:var(--primary);border:3px solid #fff;box-shadow:0 0 0 1px var(--border);margin-left:0;margin-top:5px;flex-shrink:0;z-index:1}
.tl-body{background:var(--card);border:1px solid var(--border);border-radius:10px;padding:10px 14px;flex:1}
.tl-body .tt{font-weight:600;color:var(--text);font-size:14px}
.tl-body .td{font-size:13px;color:var(--muted);margin-top:2px}

/* 声明 */
.notice{background:var(--primary-light);border:1px solid #cfe0f5;border-radius:10px;padding:16px 18px;font-size:13px;color:var(--primary-dark);line-height:1.9}
footer{text-align:center;color:var(--muted);font-size:13px;padding:32px 0}

/* ===== 全文页 ===== */
.topbar{position:sticky;top:0;background:#fff;border-bottom:1px solid var(--border);z-index:20;padding:11px 0}
.topbar .inner{max-width:1280px;margin:0 auto;padding:0 20px;display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.topbar h1{font-size:17px;color:var(--primary-dark);font-weight:700;white-space:nowrap}
.topbar .back{font-size:13px;color:var(--muted);white-space:nowrap}
.search{flex:1;min-width:220px;position:relative}
.search input{width:100%;padding:10px 14px;border:1px solid var(--border);border-radius:9px;font-size:14px;outline:none}
.search input:focus{border-color:var(--primary)}
.search .cnt{position:absolute;right:12px;top:50%;transform:translateY(-50%);font-size:12px;color:var(--muted);pointer-events:none}
.layout{display:flex;max-width:1280px;margin:0 auto}
.sidebar{width:290px;flex-shrink:0;border-right:1px solid var(--border);height:calc(100vh - 59px);overflow:auto;padding:14px 12px;position:sticky;top:59px}
.sidebar .nav-book{font-weight:600;color:var(--primary-dark);margin:12px 0 4px;cursor:pointer;font-size:14px}
.sidebar .nav-book:first-child{margin-top:0}
.sidebar .nav-sub{margin-left:12px;color:var(--text);font-size:13px;cursor:pointer;padding:2px 0}
.sidebar .nav-chap{margin-left:24px;color:var(--muted);font-size:13px;cursor:pointer;padding:2px 0}
.sidebar .nav-sec{margin-left:36px;color:var(--muted);font-size:12px;cursor:pointer;padding:1px 0}
.sidebar .nav-item:hover{color:var(--primary)}
.content{flex:1;padding:18px 30px;min-width:0}
.c-book{margin-bottom:34px;scroll-margin-top:70px}
.c-book>h2{font-size:20px;color:var(--primary-dark);border-bottom:2px solid var(--primary-light);padding-bottom:8px;margin-bottom:12px;scroll-margin-top:70px}
.c-sub>h3{font-size:17px;color:var(--primary);margin:18px 0 8px;scroll-margin-top:70px}
.c-chap>h4{font-size:15px;color:var(--text);margin:14px 0 6px;font-weight:600;scroll-margin-top:70px}
.c-sec>h5{font-size:13.5px;color:var(--muted);margin:10px 0 4px;font-weight:600;scroll-margin-top:70px}
.article{background:var(--card);border:1px solid var(--border);border-radius:10px;padding:12px 16px;margin-bottom:8px;scroll-margin-top:70px;font-size:14.5px}
.article .anum{font-weight:700;color:var(--primary);margin-right:8px}
.article mark{background:#fff2a8;padding:0 2px;border-radius:3px}
.article.hidden{display:none}
.crumb{font-size:13px;color:var(--muted);margin-bottom:10px;padding:8px 12px;background:var(--primary-light);border-radius:8px}

@media(max-width:880px){
  .grid{grid-template-columns:repeat(2,1fr)}
  .grid3{grid-template-columns:1fr}
  .sidebar{display:none}
  .content{padding:16px}
}