:root{--navy:#071a3d;--blue:#0d2e63;--red:#e63737;--gold:#c99b45;--ink:#14233d;--muted:#64748b;--line:#dbe3ef;--bg:#f4f7fb;--white:#fff}*{box-sizing:border-box}body{margin:0;font:16px/1.7 "Microsoft YaHei","PingFang SC",sans-serif;color:var(--ink);background:var(--bg)}a{color:inherit}.help-top{height:68px;padding:0 max(24px,calc((100% - 1180px)/2));display:flex;align-items:center;justify-content:space-between;background:var(--navy);color:white}.help-brand{display:flex;gap:12px;align-items:center;text-decoration:none}.help-brand>span{display:grid;place-items:center;width:40px;height:40px;border:1px solid var(--gold);border-radius:50%;color:var(--gold);font-weight:800}.help-brand b{display:flex;flex-direction:column;line-height:1.2}.help-brand small{font-size:10px;letter-spacing:.16em;color:#a9b9d2}.help-top nav{display:flex;gap:24px}.help-top nav a{text-decoration:none;color:#d8e1ef;font-size:14px}main{min-height:75vh}.help-hero{background:radial-gradient(circle at 75% 35%,#1a4a86 0,transparent 35%),linear-gradient(135deg,#071a3d,#0b2857);color:white;padding:64px max(24px,calc((100% - 1180px)/2)) 72px;display:grid;grid-template-columns:1fr minmax(320px,520px);gap:60px;align-items:end}.help-hero p,.help-heading small{color:#dfb65f;letter-spacing:.18em;font-weight:700;font-size:12px}.help-hero h1{font-size:44px;margin:6px 0 8px}.help-hero span{color:#c5d2e5}.help-hero form{display:flex;background:white;border-radius:14px;padding:7px;box-shadow:0 18px 50px #0005}.help-hero input{flex:1;border:0;padding:14px;font-size:16px;outline:0;min-width:0}.help-hero button{border:0;border-radius:10px;background:var(--red);color:white;padding:0 25px;font-weight:700}.help-status,.help-heading,.help-category-grid,.help-article-grid,#helpListing,#helpDetail,.help-intro{max-width:1180px;margin-left:auto;margin-right:auto}.help-status{padding:12px 24px;color:#b42318}.help-heading{padding:42px 0 16px}.help-heading h2{margin:0;font-size:26px}.help-category-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.help-category{background:white;border:1px solid var(--line);border-radius:14px;padding:22px;text-decoration:none;min-height:160px;transition:.2s}.help-category:hover{transform:translateY(-3px);border-color:#8eadd5;box-shadow:0 14px 30px #173b6820}.help-category i{display:grid;place-items:center;width:42px;height:42px;border-radius:12px;background:#eaf1fb;color:var(--blue);font-style:normal;font-weight:800}.help-category h3{margin:12px 0 4px}.help-category p{margin:0;color:var(--muted);font-size:14px}.help-article-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;padding-bottom:50px}.help-article{position:relative;background:white;border:1px solid var(--line);border-radius:12px;padding:18px 20px;text-decoration:none}.help-article h3{font-size:17px;margin:0 0 6px}.help-article p{color:var(--muted);font-size:14px;margin:0}.help-article .lock{position:absolute;right:16px;top:16px;color:#a16b0a;font-size:12px}.help-back{display:inline-block;margin:32px 0 20px;color:#315b91;text-decoration:none}#helpListing,#helpDetail{padding:0 24px}.help-detail-layout{display:grid;grid-template-columns:240px minmax(0,1fr);gap:46px;align-items:start}.help-detail-layout.no-toc{grid-template-columns:1fr}#helpToc{position:sticky;top:22px;background:white;border:1px solid var(--line);border-radius:12px;padding:18px}#helpToc nav{display:grid;margin-top:10px}#helpToc a{font-size:14px;color:#53657e;text-decoration:none;padding:5px 0}.help-detail-layout>article{background:white;border:1px solid var(--line);border-radius:16px;padding:38px 48px;margin-bottom:60px}.help-breadcrumb{color:#6480a5;font-size:13px}.help-detail-layout h1{font-size:34px;line-height:1.35;margin:12px 0}.help-lead{font-size:18px;color:var(--muted);border-bottom:1px solid var(--line);padding-bottom:24px}.help-prose{font-size:16px}.help-prose h1,.help-prose h2,.help-prose h3{line-height:1.4;margin-top:1.8em}.help-prose p{margin:1em 0}.help-prose img{max-width:100%;height:auto;border-radius:10px}.help-prose blockquote{border-left:4px solid var(--gold);margin:20px 0;padding:10px 20px;background:#fbf8f0}.help-video{margin:28px 0}.help-video video{width:100%;max-height:650px;background:#030b18;border-radius:12px}.help-video figcaption{display:flex;justify-content:space-between;color:#4c607b;font-size:14px}.help-video-load{border:0;border-radius:10px;background:var(--blue);color:white;padding:12px 20px}.help-video-private{padding:28px;background:#edf3fb;border-radius:12px}.help-lock{border:1px solid #e9c782;background:#fff9e9;border-radius:12px;padding:28px;margin:28px 0}.help-lock a{display:inline-block;background:var(--blue);color:white;border-radius:8px;padding:8px 14px;text-decoration:none}.help-intro{padding-top:28px}.help-intro video{width:100%;max-height:460px;background:#000;border-radius:14px}#helpRelated{border-top:1px solid var(--line);margin-top:42px;padding-top:20px}#helpRelated div{display:grid;gap:8px}#helpRelated a{color:#315b91}footer{background:var(--navy);color:#b9c6da;padding:32px max(24px,calc((100% - 1180px)/2));display:flex;gap:20px;align-items:center;flex-wrap:wrap}footer b{color:white}footer small{margin-left:auto}@media(max-width:800px){.help-top{height:auto;padding:14px 18px}.help-top nav a:first-child{display:none}.help-hero{grid-template-columns:1fr;padding:40px 20px;gap:28px}.help-hero h1{font-size:34px}.help-category-grid{grid-template-columns:repeat(2,1fr);padding:0 16px}.help-heading{padding:32px 16px 12px}.help-article-grid{grid-template-columns:1fr;padding:0 16px 40px}.help-detail-layout{grid-template-columns:1fr;gap:14px}.help-detail-layout>article{padding:24px 18px}.help-detail-layout h1{font-size:28px}#helpToc{position:static}footer small{margin-left:0;width:100%}}@media(max-width:430px){.help-category-grid{grid-template-columns:1fr}.help-hero form{padding:5px}.help-hero button{padding:0 16px}.help-brand b{font-size:14px}}

/* V1.1.3 brand alignment with homepage */
.help-brand>span.help-brand-mark{display:block;width:42px;height:42px;border:0;border-radius:0;color:transparent;font-weight:normal}
.help-brand-mark{width:42px;height:42px;display:block;flex:0 0 42px;overflow:hidden;background:url("/assets/images/yhjyxy-logo.png") center/contain no-repeat}
.help-brand b{font-size:20px;font-weight:900;white-space:nowrap}
.help-footer{display:block;background:#07101f;color:#b8c4d6;padding:58px max(24px,calc((100% - 1040px)/2)) 36px;text-align:center}
.help-footer .container{max-width:1040px;margin:0 auto;padding:0 22px}
.help-footer .footer-brand h2{margin:0;color:#fff;font-size:clamp(30px,4vw,44px);line-height:1.15}
.help-footer .footer-en{margin:10px 0 24px;color:#8ab4ff;font-size:13px;font-weight:800;letter-spacing:.18em}
.help-footer .footer-brand p{max-width:820px;margin:14px auto 0;color:#c7d2e4;font-size:16px;line-height:1.9}
.help-footer .footer-help-link a{color:#8ab4ff;text-decoration:none}
.help-footer .footer-copyright{margin-top:28px;color:#91a0b5;font-size:13px}
.help-footer .footer-copyright p{margin:6px 0}
.help-footer .footer-copyright p:last-child{color:#c7d2e4;font-size:13px;letter-spacing:0}
@media(max-width:720px){.help-footer{padding:46px 0 30px}.help-footer .container{padding:0 18px}.help-footer br{display:none}.help-footer .footer-brand h2{font-size:30px}.help-footer .footer-en{font-size:12px;letter-spacing:.12em}.help-footer .footer-brand p{font-size:14px;line-height:1.8}.help-brand b{font-size:18px}.help-brand-mark{width:40px;height:40px;flex-basis:40px}}
.help-detail-layout,.help-detail-layout>article{min-width:0}.help-prose{min-width:0;overflow-wrap:anywhere;word-break:break-word}

.help-prose figure.help-image{margin:28px 0;text-align:center}.help-prose figure.help-image img{display:block;max-width:100%;height:auto;margin:0 auto}

.help-prose img.help-image-error{display:block;min-height:42px;background:#fff4f2;color:#a63a2b;padding:10px}