*{box-sizing:border-box}body{margin:0;font-family:-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;color:#222;line-height:1.6}
.wrap{max-width:1080px;margin:0 auto;padding:0 16px}
.site-header{background:#0f3356;color:#fff;padding:14px 0;box-shadow:0 2px 6px rgba(0,0,0,.1)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap}
.logo{color:#fff;text-decoration:none;font-size:20px;font-weight:700;letter-spacing:1px}.logo span{font-size:12px;font-weight:400;margin-left:6px;opacity:.8}
.nav a{color:#dfeaf2;text-decoration:none;margin-left:14px;font-size:14px}.nav a.active,.nav a:hover{color:#fff;border-bottom:2px solid #ffd34d}
main{padding:24px 16px;min-height:60vh}
h1{font-size:26px;margin:16px 0}h2{font-size:20px;margin:24px 0 12px;border-left:4px solid #0f3356;padding-left:10px}
.hero{background:linear-gradient(135deg,#0f3356,#1f5688);color:#fff;padding:32px 20px;border-radius:8px;margin-bottom:16px}.hero h1{color:#fff;margin-top:0}.hero .lead{font-size:16px}.hero .entry a{color:#ffd34d}
.cats{list-style:none;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px}.cats li{background:#f6f8fa;padding:12px;border-radius:6px}.cats li a{font-weight:600;color:#0f3356;text-decoration:none}.cats li p{margin:6px 0 0;font-size:13px;color:#555}
.plist{list-style:none;padding:0}.plist li{padding:10px 0;border-bottom:1px solid #eee}.plist li a{color:#0f3356;font-weight:600;text-decoration:none}.plist li span,.plist li p{color:#666;font-size:14px;margin:0}
.facts{line-height:1.9}.facts li{margin-bottom:6px}
.tbl{width:100%;border-collapse:collapse;margin:12px 0;font-size:14px}.tbl th,.tbl td{border:1px solid #d9e0e8;padding:8px 10px;text-align:left;vertical-align:top}.tbl th{background:#eef3f8;width:28%}.tbl thead th{background:#0f3356;color:#fff}
.note{background:#fff7e6;border-left:4px solid #ffb300;padding:10px 12px;font-size:13px;color:#7a5b00;border-radius:4px}
.crumb{font-size:13px;color:#666;margin-bottom:8px}.crumb a{color:#0f3356}
.site-footer{background:#0f3356;color:#cdd9e5;padding:20px 0;margin-top:32px;font-size:13px}.site-footer p{margin:4px 0}
@media(max-width:640px){.site-header .wrap{flex-direction:column;align-items:flex-start}.nav{margin-top:8px}.nav a{margin:0 10px 0 0}}
.faq details{border:1px solid #e0e6ec;border-radius:6px;margin:8px 0;padding:8px 12px;background:#fff}
.faq summary{cursor:pointer;font-weight:600;color:#0f3356}
.faq details[open] summary{border-bottom:1px solid #e0e6ec;padding-bottom:6px;margin-bottom:6px}
.scenarios{list-style:none;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:14px}
.scenarios li{background:#f6f8fa;border-radius:6px;padding:14px}
.scenarios h3{margin:0 0 6px;color:#0f3356;font-size:16px}
.scenarios .muted{color:#666;font-size:13px;margin:0 0 6px}
.scenarios p{margin:4px 0;font-size:14px}
.product-img{max-width:100%;max-height:460px;width:auto;height:auto;border-radius:8px;margin:12px 0;display:block;background:#f6f8fa}
.product-img.placeholder{height:260px;display:flex;align-items:center;justify-content:center;color:#888;border:1px dashed #c5d0db}
.plist li a{display:flex;gap:12px;align-items:flex-start;text-decoration:none}
.plist li img{width:120px;height:90px;object-fit:cover;border-radius:6px;flex-shrink:0;background:#eef3f8}
.plist li span{color:#0f3356;font-weight:600}.plist li em{color:#888;font-style:normal;font-size:13px;display:block}