:root{--blue-900:#0C2D4E;--blue-700:#0F3B6E;--blue-500:#155089;--blue-100:#E6F1FB;--orange:#F2762E;--orange-dark:#D85A30;--amber:#F5A623;--ink:#1F2933;--gray:#5F6B7A;--gray-light:#9AA5B1;--line:#E3E8EF;--bg:#F5F7FA;--white:#FFFFFF;--radius:12px}*{margin:0;padding:0;box-sizing:border-box}body{font-family:PingFang SC,Microsoft YaHei,Source Han Sans SC,Helvetica Neue,Arial,sans-serif;color:var(--ink);background:var(--white);line-height:1.75;font-size:16px}a{text-decoration:none;color:inherit}img{max-width:100%;display:block}.wrap{max-width:1200px;margin:0 auto;padding:0 24px}h1,h2,h3,h4{font-weight:600;line-height:1.35}section{padding:72px 0}.sec-head{text-align:center;margin-bottom:48px}.sec-head .kicker{font-size:13px;letter-spacing:2px;color:var(--orange);font-weight:600;text-transform:uppercase}.sec-head h2{font-size:30px;color:var(--blue-900);margin:8px 0 12px}.sec-head p{color:var(--gray);max-width:640px;margin:0 auto}header{position:sticky;top:0;z-index:50;background:#fffffff5;border-bottom:1px solid var(--line);backdrop-filter:blur(8px)}.nav{display:flex;align-items:center;justify-content:space-between;height:68px}.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:20px;color:var(--blue-900)}.logo .mark{width:34px;height:34px;border-radius:8px;background:var(--blue-700);color:#fff;display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:700}.logo small{font-size:11px;color:var(--gray);font-weight:400;display:block;line-height:1.2}.menu{display:flex;gap:28px;font-size:15px}.menu a{color:var(--ink);padding:6px 0;border-bottom:2px solid transparent}.menu a:hover,.menu a.active{color:var(--blue-700);border-bottom-color:var(--orange)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--orange);color:#fff;border:none;cursor:pointer;font-size:15px;font-weight:600;padding:12px 26px;border-radius:8px;transition:background .2s}.btn:hover{background:var(--orange-dark)}.btn.ghost{background:transparent;color:var(--blue-700);border:1.5px solid var(--blue-700)}.btn.ghost:hover{background:var(--blue-100)}.page-hero{background:linear-gradient(160deg,#0c2d4e,#0f3b6e 60%,#155089);color:#fff;padding:56px 0 48px;border-bottom:3px solid var(--orange)}.breadcrumb{font-size:13px;color:#9fb9d4;margin-bottom:14px}.breadcrumb a{color:#c9d9ea}.breadcrumb a:hover{color:#fff}.page-hero h1{font-size:32px;margin-bottom:12px}.page-hero .lead{font-size:16px;color:#c9d9ea;max-width:680px}.inquiry{background:var(--bg);color:var(--ink);border-top:3px solid var(--orange)}.inquiry .wrap{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}.inquiry h2{font-size:28px;margin-bottom:14px;color:var(--blue-900)}.inquiry p{color:var(--gray);font-size:15px;margin-bottom:22px}.inquiry .ch{display:flex;gap:24px;font-size:14px;color:var(--ink);flex-wrap:wrap}.inquiry .ch b{color:var(--orange)}.form{background:#fff;border:1px solid var(--line);border-radius:14px;padding:32px;color:var(--ink);box-shadow:0 10px 30px #0000000f}.form h3{font-size:18px;color:var(--blue-900);margin-bottom:18px}.form label{display:block;font-size:13.5px;color:var(--gray);margin-bottom:6px}.form input,.form textarea,.form select{width:100%;border:1px solid var(--line);border-radius:8px;padding:11px 14px;font-size:14.5px;margin-bottom:16px;outline:none;font-family:inherit;background:#fff}.form input:focus,.form textarea:focus,.form select:focus{border-color:var(--blue-700)}.form textarea{resize:vertical;min-height:88px}.form .btn{width:100%}.form .tip{font-size:12px;color:var(--gray-light);text-align:center;margin-top:12px}.tbl-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:#fff}table.tbl{width:100%;border-collapse:collapse;font-size:14px;min-width:640px}.tbl th{background:var(--blue-700);color:#fff;text-align:left;padding:12px 16px;font-weight:500;white-space:nowrap}.tbl td{padding:11px 16px;border-bottom:1px solid var(--line);color:var(--ink)}.tbl tr:last-child td{border-bottom:none}.tbl tr:hover td{background:var(--blue-100)}.tbl .mono{font-family:Consolas,Menlo,monospace;font-size:13.5px;color:var(--blue-700)}.faq{border:1px solid var(--line);border-radius:var(--radius);background:#fff;overflow:hidden}.faq details{border-bottom:1px solid var(--line)}.faq details:last-child{border-bottom:none}.faq summary{cursor:pointer;padding:16px 22px;font-size:15px;font-weight:500;color:var(--blue-900);list-style:none;display:flex;justify-content:space-between;align-items:center}.faq summary:after{content:"+";font-size:20px;color:var(--orange);font-weight:400}.faq details[open] summary:after{content:"−"}.faq .a{padding:0 22px 18px;font-size:14px;color:var(--gray)}.article-body{max-width:760px;font-size:16px;color:var(--ink)}.article-body h2{font-size:23px;color:var(--blue-900);margin:40px 0 14px;padding-left:12px;border-left:4px solid var(--orange)}.article-body h3{font-size:18px;color:var(--blue-900);margin:28px 0 10px}.article-body p{margin-bottom:16px}.article-body ul,.article-body ol{margin:0 0 16px 22px}.article-body li{margin-bottom:8px}.article-body blockquote{border-left:4px solid var(--blue-100);background:var(--bg);padding:14px 18px;border-radius:0 8px 8px 0;color:var(--gray);font-size:14.5px;margin:20px 0}.article-body strong{color:var(--blue-900)}.article-meta{display:flex;gap:18px;align-items:center;font-size:13.5px;color:var(--gray-light);margin:14px 0 32px;flex-wrap:wrap}.article-meta .tag{font-size:12px;color:var(--orange);border:1px solid var(--orange);border-radius:20px;padding:2px 12px}.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px}.tag-chip{display:inline-block;font-size:12px;color:var(--blue-700);background:var(--blue-100);border-radius:20px;padding:3px 12px;margin:0 6px 8px 0}.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;margin-bottom:20px}.side-card h3{font-size:16px;color:var(--blue-900);margin-bottom:14px;padding-bottom:10px;border-bottom:2px solid var(--orange);display:inline-block}.side-card ul{list-style:none;display:grid;gap:10px;font-size:14px;color:var(--gray)}.side-card li b{color:var(--ink)}footer{background:#0a2238;color:#8fa6bd;font-size:13.5px;padding:56px 0 0;border-top:3px solid var(--orange)}.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:40px}.foot-grid h4{color:#fff;font-size:15px;margin-bottom:14px}.foot-grid ul{list-style:none;display:grid;gap:8px}.foot-grid a:hover{color:#fff}.foot-brand b{color:#fff;font-size:18px}.foot-brand p{margin-top:10px;line-height:1.8}.copy{border-top:1px solid rgba(255,255,255,.1);padding:18px 0;text-align:center;font-size:12.5px;color:#6b8099}.copy a{color:#6b8099;margin:0 8px}.mbar{display:none;position:fixed;bottom:0;left:0;right:0;background:#fff;border-top:1px solid var(--line);z-index:60}.mbar a{flex:1;text-align:center;padding:12px 0;font-size:14px;font-weight:600;color:var(--blue-700)}.mbar a.primary{background:var(--orange);color:#fff}@media(max-width:960px){.inquiry .wrap{grid-template-columns:1fr}.foot-grid{grid-template-columns:1fr 1fr}.menu{display:none}.page-hero h1{font-size:26px}section{padding:52px 0}.mbar{display:flex}body{padding-bottom:52px}}