html,body{margin:0;padding:0}
body.gal-root{font-family:"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;background:#e8ebf6;color:#1c2448;line-height:1.75}
.gal-root .ico{width:22px;height:22px}
.gal-top{background:#3246A0;color:#eef1ff;padding:18px 7vw;display:flex;align-items:center;justify-content:space-between;gap:20px}
.gal-top .brand{display:flex;gap:10px;align-items:center;font-weight:700;font-size:18px}
.gal-nav{background:#24357a;padding:0 7vw}
.gal-nav .nav-list{list-style:none;margin:0;padding:10px 0 0;display:flex;flex-wrap:wrap;gap:0}
.gal-nav .nav-list a{display:inline-block;text-decoration:none;color:#d7ddf5;background:#3a4ea8;padding:8px 14px 10px;margin-right:4px;border-radius:10px 10px 0 0;font-size:13px}
.gal-nav .nav-list a:hover{background:#4c62c4;color:#fff}
.gal-main{padding:28px 7vw 56px}
.gal-hero{background:#fff;border:1px solid #c5cce8;border-radius:0 14px 14px 14px;padding:22px 24px;margin:0 0 28px;box-shadow:0 10px 0 #d5dcf0}
.gal-hero h1{margin:0 0 10px;font-size:26px;color:#24357a;line-height:1.35}
.gal-hero>p{margin:0 0 8px;max-width:44em}
.tab-strip{display:flex;gap:8px;margin:14px 0 10px}
.tab-strip span{background:#3246A0;color:#fff;padding:5px 12px;border-radius:10px 10px 0 0;font-size:13px}
.tab-strip span.dim{background:#c5cce8;color:#3246A0}
.gallery,.trio{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.gallery .card{background:#f7f8fd;border:1px solid #c5cce8;border-radius:4px;padding:0 0 12px;box-shadow:0 8px 0 #d8def2}
.gallery .card .ico{width:100%;height:72px;padding:20px;box-sizing:border-box;background:#dce2f5}
.block{background:#fff;border:1px solid #c5cce8;border-radius:0 14px 14px 14px;padding:18px 22px 22px;margin:0 0 26px;box-shadow:0 10px 0 #d5dcf0}
.block h2{display:inline-block;margin:-18px 0 14px -22px;background:#3246A0;color:#fff;padding:8px 20px;border-radius:12px 12px 0 0;font-size:20px}
.lead{margin:0 0 12px;color:#3a456e}
.card,.pair{background:#f7f8fd;border:1px solid #c5cce8;padding:14px 16px}
.card h3,.pair h3,.step h3{margin:8px 0;font-size:16px}
.step-list{list-style:none;margin:0;padding:0}
.step{display:grid;grid-template-columns:40px 1fr;gap:12px;margin:0 0 12px;background:#f7f8fd;border:1px solid #c5cce8;padding:12px}
.step-n{width:32px;height:32px;border-radius:50%;background:#3246A0;color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700}
.table-wrap{overflow:auto;border:1px solid #c5cce8;background:#fff}
table{width:100%;border-collapse:collapse;font-size:14px}
th,td{padding:10px 12px;border-bottom:1px solid #e0e4f2;text-align:left;vertical-align:top}
th{background:#3246A0;color:#fff}
.pair-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.plain-list{margin:0;padding-left:1.2em}
.faq-list details{background:#f7f8fd;border:1px solid #c5cce8;padding:10px 14px;margin:0 0 8px}
.faq-list summary{cursor:pointer;font-weight:600}
.site-footer{border-top:1px solid #c5cce8;padding-top:16px;color:#4a5478;font-size:13px}
@media (max-width:900px){
.gal-top{flex-direction:column;align-items:flex-start}
.gallery,.trio,.pair-grid{grid-template-columns:1fr}
}