:root{--bg:#f6f7f9;--card:#ffffff;--accent:#0b66c3;--muted:#6b7280;--maxw:1100px;--radius:10px;--shadow:0 8px 24px rgba(15,23,42,0.06);font-family: "Noto Sans SC", "PingFang SC", "Microsoft Yahei", Roboto, Arial, sans-serif;}
*{box-sizing:border-box}
html,body{height:100%;margin:0;background:var(--bg);color:#0f172a;line-height:1.6}
.container{max-width:var(--maxw);margin:32px auto;padding:28px;background:linear-gradient(180deg,var(--card),#fbfdff);border-radius:var(--radius);box-shadow:var(--shadow);}
.header{display:flex;align-items:center;gap:18px}
.logo{width:68px;height:68px;border-radius:12px;background:linear-gradient(135deg,var(--accent),#3aa0ff);display:flex;align-items:center;justify-content:center;color:white;font-weight:700;font-size:18px}
.title h1{margin:0;font-size:20px;letter-spacing:0.2px}
.title p{margin:4px 0 0;color:var(--muted);font-size:13px}
.nav{margin-top:18px;display:flex;gap:10px;flex-wrap:wrap}
.nav a{padding:10px 14px;border-radius:8px;text-decoration:none;color:var(--accent);background:transparent;border:1px solid rgba(11,102,195,0.08);font-size:14px}
.main-grid{display:grid;grid-template-columns:1fr 340px;gap:24px;margin-top:20px}
@media (max-width:980px){.main-grid{grid-template-columns:1fr} .container{margin:12px;padding:18px} .nav{overflow:auto}}
.card{background:var(--card);padding:16px;border-radius:10px;border:1px solid #eef2f7}
h2{margin:0 0 10px 0;font-size:18px}
.ann-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:12px}
.ann-item{padding:12px;border-left:4px solid var(--accent);background:linear-gradient(180deg,#fff,#fcfdff);border-radius:8px}
.file-list{list-style:none;padding:0;margin:0}
.file-item{display:flex;justify-content:space-between;align-items:center;padding:10px;border-radius:8px;border:1px solid #f1f5f9;background:#fff}
.btn{display:inline-block;padding:8px 12px;border-radius:8px;background:var(--accent);color:#fff;text-decoration:none;font-size:14px}
.small{font-size:13px;color:var(--muted)}
.footer{margin-top:18px;text-align:center;color:var(--muted);font-size:13px}
.form-field{margin-top:10px}
input[type=text], input[type=email], textarea, select{width:100%;padding:10px;border:1px solid #e6edf6;border-radius:8px;margin-top:6px;font-size:14px}
.form-actions{display:flex;gap:10px;align-items:center;margin-top:12px}
.breadcrumb{font-size:13px;color:var(--muted);margin-bottom:12px}
.site-meta{display:flex;flex-direction:column;gap:6px}
.aside-note{font-size:13px;color:var(--muted)}
.page{padding-top:6px}