:root{--zh-font:"Noto Sans SC","Source Sans 3",-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Source Han Sans SC",sans-serif;--hub-primary:#0A4A2E;--hub-primary-light:#0d5f3a;--hub-accent:#C6621C;--hub-dark:#111827;--hub-muted:#4b5563;--hub-border:#e5e7eb;--hub-bg:#f8fafc}body{font-family:var(--zh-font);color:#1f2937;background:#fdfdfd;line-height:1.75;margin:0;padding:0;-webkit-font-smoothing:antialiased}.zh-nav{background:#ffffff;border-bottom:1px solid var(--hub-border);padding:14px 0;position:sticky;top:0;z-index:100}.zh-nav-inner{max-width:1180px;margin:0 auto;padding:0 20px;display:flex;align-items:center;justify-content:space-between}.zh-logo{display:flex;align-items:center;gap:12px;text-decoration:none}.zh-logo img{height:38px;width:auto;display:block}.zh-lang-badge{background:#e8f4ee;color:var(--hub-primary);font-size:12px;font-weight:700;padding:3px 10px;border-radius:6px;display:inline-flex;align-items:center;gap:4px}.zh-nav-links{display:flex;align-items:center;gap:16px}.zh-nav-back{font-size:13.5px;font-weight:700;color:var(--hub-primary);text-decoration:none;transition:color 0.15s ease}.zh-nav-back:hover{color:var(--hub-primary-light)}.zh-nav-contact{display:inline-flex;align-items:center;gap:8px;background:var(--hub-primary);color:#ffffff;text-decoration:none;font-size:13.5px;font-weight:700;padding:8px 16px;border-radius:8px;transition:background .2s ease}.zh-nav-contact:hover{background:var(--hub-primary-light)}.zh-cta-btn-sm{background:var(--hub-primary);color:#ffffff;font-size:13px;font-weight:700;padding:7px 15px;border-radius:6px;text-decoration:none;display:inline-flex;align-items:center;gap:6px;transition:background 0.15s ease}.zh-cta-btn-sm:hover{background:var(--hub-primary-light)}.zh-hero{background:linear-gradient(145deg,#0A4A2E 0%,#06321f 100%);color:#ffffff;padding:56px 0 50px;border-bottom:4px solid var(--hub-accent)}.zh-container{max-width:1180px;margin:0 auto;padding:0 20px}.zh-breadcrumb{font-size:13px;color:rgba(255,255,255,0.7);margin-bottom:16px}.zh-breadcrumb a{color:rgba(255,255,255,0.85);text-decoration:none}.zh-breadcrumb a:hover{text-decoration:underline;color:#ffffff}.zh-hero-pill{display:inline-flex;align-items:center;gap:6px;background:rgba(255,255,255,0.12);border:1px solid rgba(255,255,255,0.22);color:#a7f3d0;padding:5px 12px;border-radius:999px;font-size:13px;font-weight:700;margin-bottom:16px}.zh-hero-badge{display:inline-flex;align-items:center;gap:6px;background:rgba(255,255,255,0.12);border:1px solid rgba(255,255,255,0.22);color:#bbf7d0;padding:4px 12px;border-radius:9999px;font-size:13px;font-weight:700;margin-bottom:14px}.zh-hero h1{font-size:clamp(1.8rem,4vw,2.7rem);font-weight:800;line-height:1.3;letter-spacing:-0.01em;margin:0 0 16px}.zh-hero-lead,.zh-hero p{font-size:clamp(15px,1.8vw,17px);color:rgba(255,255,255,0.9);max-width:900px;line-height:1.8;margin:0 0 24px}.zh-hero-meta{display:flex;align-items:center;gap:20px;font-size:13px;color:rgba(255,255,255,0.8);flex-wrap:wrap}.zh-hero-meta span{display:inline-flex;align-items:center;gap:6px}.zh-trust-bar{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px;background:rgba(0,0,0,0.25);border:1px solid rgba(255,255,255,0.15);border-radius:12px;padding:16px 20px}.zh-trust-item{display:flex;align-items:flex-start;gap:10px}.zh-trust-item svg{color:#34d399;flex-shrink:0;margin-top:3px}.zh-trust-item strong{display:block;font-size:14px;color:#ffffff}.zh-trust-item span{font-size:12.5px;color:rgba(255,255,255,0.75)}.zh-body-grid{display:grid;grid-template-columns:1fr 340px;gap:36px;padding:40px 0 70px}@media (max-width:991px){.zh-body-grid{grid-template-columns:1fr;gap:30px}}.zh-card{background:#ffffff;border:1px solid var(--hub-border);border-radius:14px;padding:32px;margin-bottom:28px;box-shadow:0 2px 10px rgba(0,0,0,0.03)}.zh-sec-badge{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:800;color:var(--hub-accent);text-transform:uppercase;letter-spacing:0.05em;margin-bottom:8px}.zh-sec-title{font-size:1.45rem;font-weight:800;color:var(--hub-dark);margin:0 0 16px;line-height:1.35}.zh-text{font-size:15px;color:#374151;line-height:1.85;margin:0 0 16px}.zh-alert-box{background:#fff7ed;border-left:4px solid #f97316;border-radius:8px;padding:16px 20px;margin:20px 0}.zh-alert-box strong{display:block;font-size:15px;color:#9a3412;margin-bottom:6px}.zh-alert-box p{font-size:14px;color:#7c2d12;margin:0;line-height:1.7}.zh-danger-box{background:#fef2f2;border-left:4px solid #ef4444;border-radius:0 8px 8px 0;padding:16px 18px;margin:18px 0}.zh-danger-box strong{display:block;font-size:15px;color:#991b1b;margin-bottom:6px}.zh-danger-box p{font-size:14px;color:#7f1d1d;margin:0;line-height:1.6}.zh-tip-box{background:#f0fdf4;border-left:4px solid #10b981;border-radius:0 8px 8px 0;padding:16px 18px;margin:18px 0}.zh-tip-box strong{display:block;font-size:15px;color:#065f46;margin-bottom:6px}.zh-tip-box p{font-size:14px;color:#047857;margin:0;line-height:1.6}.zh-law-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px;margin-top:20px}.zh-law-card{background:#f8fafc;border:1.5px solid #e2e8f0;border-radius:10px;padding:18px 20px}.zh-law-card strong{display:block;font-size:15px;color:var(--hub-primary);margin-bottom:6px}.zh-law-card p{font-size:13.5px;color:#4b5563;margin:0;line-height:1.65}.zh-table-wrap{overflow-x:auto;margin:20px 0 10px;border-radius:10px;border:1px solid #e5e7eb}.zh-table{width:100%;border-collapse:collapse;text-align:left;font-size:14px}.zh-table th{background:#f1f5f9;color:var(--hub-dark);font-weight:700;padding:12px 16px;border-bottom:1.5px solid #cbd5e1;white-space:nowrap}.zh-table td{padding:12px 16px;border-bottom:1px solid #f1f5f9;color:#374151;vertical-align:top}.zh-table tr:last-child td{border-bottom:none}.zh-tag-must{background:#fef2f2;color:#dc2626;font-size:12px;font-weight:700;padding:2px 8px;border-radius:4px;display:inline-block;white-space:nowrap}.zh-faq-item{border:1px solid #e5e7eb;border-radius:10px;margin-bottom:12px;overflow:hidden;background:#ffffff}.zh-faq-q{width:100%;text-align:left;background:#f8fafc;border:none;padding:16px 20px;font-size:15px;font-weight:700;color:var(--hub-dark);cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:12px;font-family:inherit}.zh-faq-q:hover{background:#f1f5f9}.zh-faq-a{padding:0 20px;max-height:0;overflow:hidden;transition:max-height 0.3s ease,padding 0.3s ease;font-size:14.5px;color:#4b5563;line-height:1.8;background:#ffffff}.zh-faq-a.open{padding:16px 20px 20px;max-height:500px;border-top:1px solid #e5e7eb}.zh-sticky-sidebar{position:relative;height:fit-content}.zh-sb-box{position:sticky;top:86px;background:#ffffff;border:1.5px solid #d1fae5;border-radius:14px;padding:26px 22px;box-shadow:0 6px 20px rgba(10,74,46,0.06)}.zh-sb-badge{display:inline-flex;align-items:center;gap:6px;background:#ecfdf5;color:#059669;font-size:12px;font-weight:700;padding:4px 10px;border-radius:999px;margin-bottom:12px}.zh-sb-title{font-size:1.15rem;font-weight:800;color:var(--hub-dark);margin:0 0 8px;line-height:1.4}.zh-sb-desc{font-size:13.5px;color:#6b7280;margin:0 0 18px;line-height:1.65}.zh-sb-wa-btn{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;background:#25D366;color:#ffffff;text-decoration:none;font-size:14.5px;font-weight:700;padding:12px 18px;border-radius:8px;box-sizing:border-box;box-shadow:0 4px 12px rgba(37,211,102,0.25);transition:transform .2s,background .2s}.zh-sb-wa-btn:hover{background:#20ba5a;transform:translateY(-2px)}.zh-sb-divider{height:1px;background:#f1f5f9;margin:20px 0}.zh-sb-info-row{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:#4b5563;margin-bottom:12px}.zh-sb-info-row svg{flex-shrink:0;color:var(--hub-primary);margin-top:2px}.zh-sb-nav-title{font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:0.04em;color:var(--hub-muted);margin-bottom:10px;padding-top:16px;border-top:1px solid var(--hub-border)}.zh-sb-nav-list{list-style:none;padding:0;margin:0}.zh-sb-nav-list li{margin-bottom:6px}.zh-sb-nav-list a{display:block;font-size:13px;color:var(--hub-muted);text-decoration:none;padding:5px 8px;border-radius:6px;transition:all 0.15s ease}.zh-sb-nav-list a:hover{color:var(--hub-primary);background:#f0fdf4}.zh-sb-nav-list a.active{color:var(--hub-primary);font-weight:700;background:#e8f4ee}.zh-footer{background:#111827;color:#9ca3af;padding:48px 0 32px;font-size:13.5px;line-height:1.7}.zh-footer-inner{max-width:1180px;margin:0 auto;padding:0 20px;display:grid;grid-template-columns:2fr 1fr;gap:40px;border-bottom:1px solid rgba(255,255,255,0.1);padding-bottom:30px;margin-bottom:24px}@media (max-width:768px){.zh-footer-inner{grid-template-columns:1fr;gap:24px}}.zh-footer h4{color:#ffffff;font-size:15px;font-weight:700;margin:0 0 12px}.zh-footer p{margin:0 0 10px}.zh-footer-bottom{max-width:1180px;margin:0 auto;padding:0 20px;font-size:12.5px;color:#6b7280;text-align:center}.zh-mobile-bar{display:none;position:fixed;bottom:0;left:0;right:0;background:#ffffff;border-top:1px solid var(--hub-border);padding:10px 16px;z-index:999;box-shadow:0 -4px 16px rgba(0,0,0,0.08)}@media (max-width:991px){.zh-mobile-bar{display:flex;align-items:center;justify-content:space-between;gap:12px}body{padding-bottom:64px}}.zh-mb-text{font-size:13px;font-weight:700;color:var(--hub-dark);line-height:1.3}.zh-mb-sub{font-size:11.5px;color:#6b7280}.zh-mb-btn{display:inline-flex;align-items:center;gap:6px;background:#25D366;color:#ffffff;font-size:13.5px;font-weight:700;padding:9px 16px;border-radius:8px;text-decoration:none;white-space:nowrap}