html{scroll-padding-top:calc(var(--nav-h) + 24px)}.help-hero{padding:calc(var(--nav-h) + 44px) 0 18px;text-align:center}.help-hero .kicker{display:inline-block;font-size:12px;font-weight:800;letter-spacing:.16em;color:var(--primary);background:rgba(61,90,254,.08);border-radius:999px;padding:6px 14px}.help-hero h1{font-size:30px;margin:14px 0 8px}.help-hero p{color:#6a6f8f;font-size:14.5px}.help-search{position:relative;max-width:560px;margin:22px auto 0}.help-search svg{position:absolute;left:16px;top:50%;transform:translateY(-50%);width:18px;height:18px;color:#9aa1b5}.help-search input{width:100%;box-sizing:border-box;border:1.5px solid #e3e6ef;background:#fff;border-radius:999px;padding:13px 20px 13px 44px;font-size:14.5px;outline:0;transition:border-color var(--dur-mid),box-shadow var(--dur-mid)}.help-search input:focus{border-color:var(--primary,#3d5afe);box-shadow:0 0 0 4px rgba(61,90,254,.1)}.help-ai{max-width:560px;margin:12px auto 0}.help-ai-box{display:flex;align-items:center;gap:8px;border:1.5px solid #e3e6ef;background:#f8faff;border-radius:14px;padding:6px 6px 6px 14px}.help-ai-ic{font-size:16px}.help-ai-ic svg{width:18px;height:18px;display:block}.help-ai-box input{flex:1;border:none;background:0 0;font-size:13.5px;outline:0;padding:6px 0;color:var(--ink,#1f2430)}.help-ai-box button{flex-shrink:0;border:none;background:var(--grad-main,linear-gradient(135deg,#3d5afe,#7c4dff));color:#fff;font-size:13px;font-weight:700;border-radius:10px;padding:8px 16px;cursor:pointer}.help-ai-box button:disabled{opacity:.6;cursor:default}.help-ai-out{margin-top:10px;text-align:left;border:1px solid #e3e6ef;border-radius:14px;padding:14px 16px;background:#fff}.help-ai-out .qa-a{font-size:13.5px;line-height:1.7;color:var(--ink,#1f2430)}.help-layout{display:grid;grid-template-columns:230px 1fr;gap:24px;align-items:start;padding-bottom:44px}.help-side{position:sticky;top:calc(var(--nav-h) + 16px);display:flex;flex-direction:column;gap:6px}@media(max-width:860px){.help-layout{grid-template-columns:1fr}.help-side{position:static;flex-direction:row;flex-wrap:wrap;overflow:visible;gap:8px}.help-side a{flex:1 1 46%;min-width:0}}.help-side a{display:flex;align-items:center;gap:9px;padding:10px 14px;border-radius:12px;font-size:14px;color:#3a4157;text-decoration:none;background:#fff;border:1px solid #edeff6;transition:all var(--dur-mid)}.help-side a:hover{border-color:rgba(61,90,254,.4)}.help-side a i{font-style:normal}.help-side a em{font-style:normal;margin-left:auto;font-size:12px;color:#9aa1b5}.help-side .help-cta{background:linear-gradient(135deg,#3d5afe,#7c4dff);color:#fff;border:none;font-weight:700;justify-content:center}.help-side .help-cta.ghost{background:#fff;color:var(--primary,#3d5afe);border:1.5px dashed rgba(61,90,254,.45)}.help-side .help-cta svg{width:16px;height:16px;flex:0 0 auto}.help-cat{margin-bottom:30px}.help-cat h2{display:flex;align-items:center;gap:10px;font-size:19px;margin:0 0 14px;scroll-margin-top:calc(var(--nav-h) + 24px)}.help-cat h2 span{font-size:12px;color:#9aa1b5;font-weight:500;background:#f1f3fa;border-radius:999px;padding:3px 10px}.qa{background:#fff;border:1px solid #e8eaf3;border-radius:14px;margin-bottom:10px;overflow:hidden}.qa[open]{border-color:rgba(61,90,254,.35);box-shadow:var(--shadow-l)}.qa summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:10px;padding:15px 18px;font-size:14.5px;font-weight:600;color:#252b40}.qa summary::-webkit-details-marker{display:none}.qa summary svg{margin-left:auto;width:16px;height:16px;color:#9aa1b5;flex:none;transition:transform var(--dur-mid)}.qa[open] summary svg{transform:rotate(180deg)}.qa-a{padding:2px 18px 16px;font-size:13.8px;color:#4a5165;line-height:1.85;border-top:1px dashed #edeff6;padding-top:13px}.qa-a a{color:var(--primary,#3d5afe);font-weight:600;text-decoration:none}.qa-a code{display:inline-block;background:#f3f5fb;border:1px solid #e5e8f2;border-radius:6px;padding:1px 7px;font-size:12.5px;color:#d63384;font-family:ui-monospace,Consolas,monospace;white-space:pre-wrap;word-break:break-all;margin:1px 0}.help-empty{text-align:center;color:#9aa1b5;padding:50px 0;font-size:14px}@media(max-width:640px){.help-layout{padding-bottom:20px}}