:root{--navy:#0a1733;--navy2:#0d2247;--gold:#d4af37;--gold2:#e8c252;--teal:#2dd4bf;--text:#222;--muted:#6b7280;--line:#e6e8ef}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--text);background:#f6f7fb;line-height:1.8}
.wk-nav{background:var(--navy);padding:14px 24px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:50}
.wk-logo{color:#fff;font-weight:800;font-size:18px;text-decoration:none;letter-spacing:.5px}
.wk-links a{color:#cdd6e8;text-decoration:none;margin-left:18px;font-size:14px}
.wk-links a:hover{color:#fff}
.wk-cur{color:var(--gold2)!important;font-weight:700}
.wk-cta{background:linear-gradient(90deg,var(--gold),var(--gold2));color:#1a1300!important;padding:6px 14px;border-radius:8px;font-weight:700}
.wk-main{max-width:880px;margin:0 auto;padding:32px 20px 60px}
.wk-hero{text-align:center;padding:28px 0 36px}
.wk-tag{display:inline-block;background:rgba(45,212,191,.12);color:#0f9b8e;border:1px solid rgba(45,212,191,.3);padding:3px 12px;border-radius:999px;font-size:13px;font-weight:700;margin-bottom:14px}
.wk-h1{font-size:30px;line-height:1.35;color:var(--navy);font-weight:800}
.wk-hero-sub{color:var(--muted);margin-top:14px;font-size:15px}
.wk-meta{color:var(--muted);font-size:13px;margin:14px 0 26px;padding-bottom:18px;border-bottom:1px solid var(--line)}
.wk-article{background:#fff;border:1px solid var(--line);border-radius:16px;padding:32px 34px;box-shadow:0 6px 28px rgba(10,23,51,.05)}
.wk-body h2{font-size:22px;color:var(--navy);margin:30px 0 12px;font-weight:800;padding-left:12px;border-left:4px solid var(--gold)}
.wk-body h3{font-size:18px;color:var(--navy2);margin:22px 0 10px;font-weight:700}
.wk-body p{margin:12px 0;color:#333}
.wk-body ul,.wk-body ol{margin:12px 0 12px 22px;color:#333}
.wk-body li{margin:6px 0}
.wk-body strong{color:var(--navy);font-weight:700}
.wk-faqsec{margin-top:34px;padding-top:24px;border-top:1px dashed var(--line)}
.wk-faqsec h2{font-size:20px;color:var(--navy);margin-bottom:14px}
.wk-faq{background:#f8fafc;border:1px solid var(--line);border-radius:10px;padding:14px 16px;margin:10px 0}
.wk-faq summary{cursor:pointer;font-weight:700;color:var(--navy2)}
.wk-faq div{padding-top:10px;color:#444}
.wk-author{display:flex;gap:16px;margin-top:34px;padding:20px;background:linear-gradient(135deg,#0a1733,#0d2247);border-radius:14px;color:#e8eefc}
.wk-author-av{width:54px;height:54px;border-radius:50%;background:linear-gradient(135deg,var(--gold),var(--gold2));color:#1a1300;font-weight:800;font-size:22px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.wk-author-name{font-weight:800;color:#fff;font-size:16px;margin-bottom:4px}
.wk-author p{font-size:13px;color:#c6d0e6;margin-bottom:12px}
.wk-btn{display:inline-block;background:linear-gradient(90deg,var(--gold),var(--gold2));color:#1a1300;font-weight:700;padding:8px 16px;border-radius:8px;text-decoration:none;font-size:14px}
.wk-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.wk-card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px;text-decoration:none;color:inherit;transition:.2s;display:flex;flex-direction:column}
.wk-card:hover{transform:translateY(-3px);box-shadow:0 10px 30px rgba(10,23,51,.1);border-color:var(--gold)}
.wk-card-tag{color:#0f9b8e;font-size:12px;font-weight:700;margin-bottom:8px}
.wk-card h3{font-size:18px;color:var(--navy);margin-bottom:8px;line-height:1.4}
.wk-card p{font-size:13px;color:var(--muted);flex:1}
.wk-card-more{color:var(--gold);font-weight:700;font-size:13px;margin-top:12px}
.wk-foot{background:var(--navy);color:#aeb9d4;padding:36px 24px 22px;margin-top:50px}
.wk-foot-in{max-width:880px;margin:0 auto;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
.wk-foot-logo{color:#fff;font-weight:800;margin-bottom:8px}
.wk-foot p{font-size:13px}
.wk-foot-nav a{display:block;color:#aeb9d4;text-decoration:none;font-size:13px;margin:6px 0}
.wk-foot-nav a:hover{color:var(--gold2)}
.wk-copy{text-align:center;font-size:12px;color:#6f7c9c;margin-top:24px;border-top:1px solid rgba(255,255,255,.08);padding-top:16px}
@media(max-width:640px){.wk-grid{grid-template-columns:1fr}.wk-article{padding:22px 18px}.wk-h1{font-size:24px}}