:root{--bg:#f5f7fb;--card:#fff;--text:#1f2937;--muted:#667085;--blue:#1769e0;--cyan:#09a6b8;--green:#12b76a;--line:#e5e7eb;--soft:#eef5ff;--dark:#0b1f3a}*{box-sizing:border-box}html{font-size:16px}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",Arial,sans-serif;line-height:1.72}a{color:var(--blue);text-decoration:none}a:hover{color:#d92d20}.container{width:min(1160px,94vw);margin:auto}.topbar{background:#07172d;color:#cdd5df;font-size:13px}.topbar .container{display:flex;justify-content:space-between;gap:18px;padding:8px 0}.site-header{background:linear-gradient(135deg,#0b1f3a,#1769e0 58%,#09a6b8);color:#fff}.nav{display:flex;align-items:center;justify-content:space-between;gap:22px;padding:18px 0}.brand{display:flex;align-items:center;gap:12px}.brand-mark{width:44px;height:44px;border-radius:14px;background:#fff;color:var(--blue);display:grid;place-items:center;font-weight:900}.brand-title{display:block;font-size:23px;line-height:1.25;margin:0;font-weight:900}.hero h1,.card h1{margin:0 0 12px;color:#111827}.brand p{margin:2px 0 0;color:#e5f4ff;font-size:13px}.navlinks{display:flex;flex-wrap:wrap;gap:10px}.navlinks a{color:#fff;background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.22);border-radius:999px;padding:8px 12px}.hero{display:grid;grid-template-columns:1.15fr .85fr;gap:24px;padding:24px 0 34px}.hero-card,.hero-panel{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.24);border-radius:26px;padding:26px;backdrop-filter:blur(8px)}.hero h1{font-size:34px;line-height:1.22;margin:0 0 12px;color:#fff}.hero p{color:#f2f8ff}.trust-row{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0}.trust-row span{background:#fff;color:#1455b6;border-radius:999px;padding:7px 11px;font-weight:700;font-size:13px}.entry-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:18px}.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 18px;border-radius:14px;font-weight:800}.btn.primary{background:#ffcc33;color:#172033}.btn.light{background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.28);color:#fff}.panel-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.panel-grid div{background:#fff;color:#172033;border-radius:16px;padding:12px}.panel-grid b{display:block;color:var(--blue)}.main{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:22px;margin-top:22px}.card{background:var(--card);border:1px solid var(--line);border-radius:22px;padding:22px;margin-bottom:18px;box-shadow:0 8px 24px rgba(16,24,40,.04)}.card h2,.card h3{margin:0 0 12px;color:#111827}.section-lead{color:var(--muted);margin-top:-4px}.intent-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.intent-grid a,.trust-box,.step,.faq details,.article-card,.side-list a,.cat-grid a{background:#f8fbff;border:1px solid #dbe7ff;border-radius:16px;padding:14px}.intent-grid b,.step b{display:block;color:var(--blue);margin-bottom:5px}.step-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.content-block p{margin:10px 0}.article-list{display:grid;gap:14px}.article-card{display:grid;grid-template-columns:120px 1fr;gap:14px}.article-card img{width:120px;height:86px;object-fit:cover;border-radius:14px;background:#eef2ff}.article-card h3{font-size:17px;margin:0 0 6px}.article-card p{font-size:14px;color:var(--muted);margin:0}.meta{font-size:12px;color:#667085}.faq details{margin-bottom:10px;background:#fcfdff}.faq summary{cursor:pointer;font-weight:800}.side-list{display:grid;gap:8px}.side-list a{display:block;padding:10px}.cat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.cat-grid a{display:block}.breadcrumb{font-size:14px;color:var(--muted);padding:14px 0}.article-head h1{font-size:30px;line-height:1.3;margin:0 0 10px}.article-body{font-size:17px}.article-body img{max-width:100%;height:auto;border-radius:16px}.notice{background:#fff8e6;border:1px solid #ffe3a3;border-radius:16px;padding:14px;color:#8a5a00}.footer{margin-top:28px;background:#07172d;color:#aeb8c5;padding:28px 0}.footer a{color:#eaf4ff}@media(max-width:900px){.hero,.main{grid-template-columns:1fr}.intent-grid{grid-template-columns:1fr 1fr}.nav{align-items:flex-start;flex-direction:column}}@media(max-width:560px){.intent-grid,.step-list,.article-card,.cat-grid{grid-template-columns:1fr}.article-card img{width:100%;height:auto;aspect-ratio:16/9}.hero h1{font-size:27px}.topbar .container{flex-direction:column}.navlinks a{font-size:13px}}

.article-thumb{margin:0 0 18px;border-radius:18px;overflow:hidden;background:#eef5ff}.article-thumb img{width:100%;max-height:360px;object-fit:cover;display:block}