:root{--blue:#16477f;--blue2:#0f3b69;--ink:#1f2d3d;--muted:#66788a;--line:#e2e8f0;--soft:#f5f8fc;--white:#fff;--radius:18px;--shadow:0 14px 38px rgba(15,59,105,.09)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:#f7f9fc;font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;line-height:1.75}
a{color:var(--blue);text-decoration:none}img{max-width:100%;display:block}.wrap{width:min(1200px,calc(100% - 36px));margin:auto}
.site-header{position:sticky;top:0;z-index:50;background:rgba(15,59,105,.97);box-shadow:0 8px 24px rgba(0,0,0,.1)}.nav{height:72px;display:flex;align-items:center;gap:26px}.logo img{height:42px;width:auto}.navlinks{margin-left:auto;display:flex;gap:22px;align-items:center}.navlinks a{color:#fff;font-size:14px;font-weight:600}.lang{border:1px solid rgba(255,255,255,.35);border-radius:999px;padding:7px 11px;color:#fff}
.hero-mini{background:linear-gradient(135deg,#103b68,#1a5b96);color:#fff;padding:48px 0}.hero-mini h1{margin:0 0 8px;font-size:clamp(28px,4vw,44px);line-height:1.25}.hero-mini p{margin:0;color:rgba(255,255,255,.82)}
.breadcrumb{font-size:13px;color:#728398;padding:18px 0}.breadcrumb a{color:#587592}
.grid2{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:36px;align-items:start}.product-image{background:#fff;border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow);padding:26px;position:sticky;top:94px}.product-image img{width:100%;aspect-ratio:1/1;object-fit:contain}
.summary-card,.section-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.summary-card{padding:30px}.eyebrow{font-size:13px;font-weight:700;color:var(--blue);letter-spacing:.08em}.summary-card h1{font-size:34px;line-height:1.35;margin:8px 0 18px}.summary-card p{color:var(--muted)}
.tags{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0}.tag{padding:7px 11px;background:#eef5fb;border:1px solid #d8e6f2;border-radius:999px;color:#315d86;font-size:13px}
.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:24px}.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:999px;padding:11px 18px;font-weight:700}.btn-primary{background:var(--blue);color:#fff}.btn-secondary{border:1px solid #cbd9e6;background:#fff}
.main{padding:34px 0 70px}.content{display:grid;gap:18px;margin-top:28px}.section-card{padding:28px}.section-card h2{font-size:24px;color:var(--blue2);margin:0 0 15px}.section-card h3{font-size:18px}.notice{border-left:4px solid var(--blue);background:#f1f7fc;padding:15px 18px;border-radius:10px;color:#52677b}
.table{width:100%;border-collapse:collapse;font-size:14px}.table th,.table td{padding:12px;border:1px solid #dfe7ef;text-align:left;vertical-align:top}.table th{background:#f2f6fa;color:#314e6a}
.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.card{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;box-shadow:0 7px 22px rgba(20,60,95,.06)}.card img{width:100%;aspect-ratio:16/10;object-fit:cover;background:#eef4f8}.card-body{padding:17px}.card h3{font-size:17px;line-height:1.45;margin:0 0 8px;color:#24384c}.card p{font-size:14px;color:var(--muted);margin:0}.card .meta{font-size:12px;color:#7b8b9a;margin-bottom:6px}
.faq details{border-top:1px solid var(--line);padding:15px 0}.faq details:first-child{border-top:0}.faq summary{font-weight:700;color:#244865;cursor:pointer}.faq p{color:var(--muted);margin:8px 0 0}
.footer{background:#123e6c;color:rgba(255,255,255,.82);padding:38px 0}.footer-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:28px}.footer a{color:#fff}.footer strong{color:#fff}.footer small{display:block;margin-top:24px;border-top:1px solid rgba(255,255,255,.18);padding-top:18px}
.list-head{display:flex;justify-content:space-between;gap:20px;align-items:end;margin-bottom:24px}.list-head h1{margin:0;color:#143f6d}.searchbox{display:flex;gap:8px}.searchbox input{min-width:260px;border:1px solid #cfdbe7;border-radius:999px;padding:11px 16px;background:#fff}
.article{max-width:880px}.article h1{font-size:38px;line-height:1.35}.article h2{color:#123f70;margin-top:32px}.article p,.article li{color:#516477}.article .lead{font-size:18px;color:#354e65}
@media(max-width:850px){.navlinks a:not(.lang){display:none}.grid2{grid-template-columns:1fr}.product-image{position:static}.cards{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1fr}.summary-card h1{font-size:28px}.article h1{font-size:30px}}
@media(max-width:560px){.wrap{width:min(100% - 24px,1200px)}.cards{grid-template-columns:1fr}.nav{height:62px}.logo img{height:34px}.hero-mini{padding:34px 0}.section-card{padding:20px}.searchbox input{min-width:0;width:100%}}