.help-hero{padding-top:calc(var(--nav-height) + 40px)!important;text-align:center}.help-hero h1{font-size:36px;margin-bottom:8px}.help-hero-sub{font-size:16px;color:var(--color-muted);margin-bottom:28px}.help-search{max-width:560px;margin:0 auto 40px;position:relative}.help-search-input{width:100%;height:56px;padding:0 20px 0 52px;border:2px solid var(--color-border);border-radius:14px;font-size:16px;color:var(--color-title);background:#fff;transition:all var(--transition-fast);font-family:var(--font-sans);-webkit-appearance:none;appearance:none}.help-search-input:focus{outline:none;border-color:var(--color-brand);box-shadow:0 0 0 4px var(--color-brand-light)}.help-search-input::placeholder{color:var(--color-placeholder)}.help-search-icon{position:absolute;left:18px;top:50%;transform:translateY(-50%);font-size:20px;color:var(--color-muted);pointer-events:none}.help-categories{margin-bottom:var(--space-3xl)}.help-cat-card{background:#fff;border:1px solid var(--color-border);border-radius:14px;padding:24px;text-align:center;text-decoration:none;color:inherit;transition:all var(--transition-normal);display:flex;flex-direction:column;align-items:center;gap:8px}.help-cat-card:hover{border-color:var(--color-brand);box-shadow:0 8px 20px rgba(37,99,235,.1);transform:translateY(-3px)}.help-cat-icon{font-size:32px}.help-cat-name{font-size:15px;font-weight:600;color:var(--color-title)}.help-cat-count{font-size:12px;color:var(--color-muted)}.help-popular{max-width:700px;margin:0 auto}.help-popular-item{display:flex;align-items:center;gap:12px;padding:14px 16px;text-decoration:none;color:var(--color-text);border-bottom:1px solid var(--color-border);transition:all var(--transition-fast);font-size:15px;border-radius:0}.help-popular-item:hover{color:var(--color-brand);background:var(--color-bg-alt)}.help-popular-item:last-child{border-bottom:none}.help-popular-num{width:28px;height:28px;border-radius:50%;background:var(--color-bg-alt);color:var(--color-muted);display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:600;flex-shrink:0}.help-popular-item:nth-child(-n+3) .help-popular-num{background:var(--color-brand);color:#fff}.help-contact{max-width:700px;margin:0 auto;text-align:center;padding:40px;background:var(--color-bg-alt);border-radius:16px}.help-contact h3{font-size:20px;margin-bottom:8px}.help-contact p{font-size:14px;color:var(--color-muted);margin-bottom:20px}.help-contact-ways{display:flex;justify-content:center;gap:24px;flex-wrap:wrap}.help-contact-item{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--color-text)}.help-contact-item span:first-child{font-size:20px}@media(max-width:768px){.help-hero{padding-top:calc(var(--nav-height-mobile) + 24px)!important}.help-hero h1{font-size:24px}.help-search-input{height:48px;font-size:16px;padding-left:44px}.help-search-icon{left:14px;font-size:18px}.help-cat-card{padding:16px}.help-cat-icon{font-size:26px}.help-cat-name{font-size:14px}.help-popular-item{font-size:14px;padding:12px 0}.help-contact{padding:24px 16px}.help-contact-ways{flex-direction:column;align-items:center}}