.help-hero{position:relative;z-index:1;padding:calc(var(--nav-height) + 52px) 0 56px;text-align:center;background:radial-gradient(circle at 25% 30%,rgba(179,145,255,.18) 0%,transparent 45%),radial-gradient(circle at 75% 50%,rgba(239,122,214,.12) 0%,transparent 40%),linear-gradient(180deg,rgba(240,233,255,.35) 0%,transparent 100%)}.help-hero-inner{width:var(--content-width);max-width:none;margin:0 auto;padding:0 var(--section-gutter)}.help-hero-badge{display:inline-flex;align-items:center;gap:10px;margin-bottom:18px;padding:6px 18px;border-radius:999px;background:#7c4ef314;border:1px solid rgba(137,104,231,.16);color:var(--brand);font-size:13px;font-weight:900;letter-spacing:.5px}.help-hero-title{margin:0;color:var(--text);font-size:clamp(36px,4.5vw,56px);font-weight:900;line-height:1.15}.help-hero-subtitle{margin:14px auto 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svg{width:26px;height:26px}.help-icon-box.icon-tutorial,.help-icon-box.icon-chat{background:linear-gradient(135deg,#7c4ef31f,#9a6bfa14);color:var(--brand)}.help-icon-box.icon-faq,.help-icon-box.icon-email{background:linear-gradient(135deg,#ef7ad624,#ff9bdc14);color:var(--pink)}.help-icon-box.icon-contact,.help-icon-box.icon-bind{background:linear-gradient(135deg,#9d71ff1f,#7c4ef314);color:var(--brand-2)}.help-icon-box.icon-plan{background:linear-gradient(135deg,#7c4ef31f,#9a6bfa14);color:var(--brand)}.help-icon-box.icon-agents{background:linear-gradient(135deg,#b391ff24,#ef7ad614);color:var(--brand)}.help-icon-box.icon-wechat{background:linear-gradient(135deg,#07c1601f,#07c1600f);color:#07c160}.help-search{position:relative;max-width:600px;margin:28px auto 0}.help-search-input{width:100%;height:56px;padding:0 52px 0 22px;border:1px solid var(--line);border-radius:16px;background:var(--surface-strong);box-shadow:0 10px 28px var(--shadow);color:var(--text);font-size:16px;line-height:1.4;outline:none;transition:border-color .2s ease,box-shadow .2s ease}.help-search-input::placeholder{color:var(--text-muted)}.help-search-input:focus{border-color:var(--brand);box-shadow:0 10px 28px var(--shadow-strong),0 0 0 4px var(--focus-ring)}.help-search-btn{position:absolute;right:8px;top:50%;transform:translateY(-50%);width:40px;height:40px;display:grid;place-items:center;border:none;border-radius:12px;background:transparent;color:var(--text-muted);cursor:pointer;transition:color .18s ease,background .18s ease}.help-search-btn:hover{color:var(--brand);background:#7c4ef30f}.help-search-btn svg{width:20px;height:20px}.help-quick{padding:clamp(40px,6vw,72px) 0}.help-quick-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-top:36px}.help-quick-card{position:relative;display:flex;flex-direction:column;padding:28px 24px 24px;border:1px solid var(--line);border-radius:var(--card-radius);background:var(--surface-strong);box-shadow:0 10px 24px var(--shadow);text-decoration:none;color:inherit}@media(prefers-reduced-motion:no-preference){.help-quick-card{transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease}.help-quick-card:hover{transform:translateY(-4px)}.help-quick-icon,.help-icon-box{transition:transform .2s ease}.help-quick-card:hover .help-quick-icon,.help-quick-card:hover .help-icon-box{transform:scale(1.08)}.help-quick-arrow{transition:transform .18s ease}.help-quick-card:hover .help-quick-arrow{transform:translate(4px)}}.help-quick-card:hover{border-color:var(--line-strong);box-shadow:0 18px 36px var(--shadow-strong)}.help-quick-icon{width:52px;height:52px;margin-bottom:18px;border-radius:16px;display:grid;place-items:center}.help-quick-icon.icon-tutorial{background:linear-gradient(135deg,#6366f129,#8b5cf61a);color:#6366f1;box-shadow:0 4px 12px #6366f11f}.help-quick-icon.icon-faq{background:linear-gradient(135deg,#ec489924,#f472b614);color:#ec4899;box-shadow:0 4px 12px #ec48991a}.help-quick-icon.icon-contact{background:linear-gradient(135deg,#0ea5e924,#38bdf814);color:#0ea5e9;box-shadow:0 4px 12px #0ea5e91a}.help-quick-icon.icon-bind{background:linear-gradient(135deg,#22c55e24,#4ade8014);color:#22c55e;box-shadow:0 4px 12px #22c55e1a}.help-quick-icon.icon-plan{background:linear-gradient(135deg,#f59e0b24,#fbbf2414);color:#f59e0b;box-shadow:0 4px 12px #f59e0b1a}.help-quick-icon.icon-agents{background:linear-gradient(135deg,#a855f724,#c084fc14);color:#a855f7;box-shadow:0 4px 12px #a855f71a}.help-quick-card h3{margin:0 0 8px;font-size:17px;font-weight:800;color:var(--text);line-height:1.3}.help-quick-card p{margin:0;font-size:14px;color:var(--text-soft);line-height:1.65;flex:1}.help-quick-arrow{margin-top:14px;display:flex;align-items:center;color:var(--brand)}.help-faq-section{padding:clamp(32px,4vw,56px) 0}.help-faq-section:nth-child(odd){background:linear-gradient(180deg,rgba(240,235,250,.3) 0%,transparent 100%)}.help-faq-cat-title{margin:0 0 24px;font-size:clamp(20px,2vw,26px);font-weight:900;color:var(--text);display:flex;align-items:center;gap:12px}.help-faq-cat-icon{width:36px;height:36px;border-radius:10px;display:grid;place-items:center;flex-shrink:0}.help-faq-cat-icon svg{width:20px;height:20px}.help-faq-cat-icon.cat-basic{background:linear-gradient(135deg,#6366f124,#8b5cf614);color:#6366f1}.help-faq-cat-icon.cat-account{background:linear-gradient(135deg,#22c55e24,#4ade8014);color:#22c55e}.help-faq-cat-icon.cat-subscribe{background:linear-gradient(135deg,#f59e0b24,#fbbf2414);color:#f59e0b}.help-faq-cat-icon.cat-invite{background:linear-gradient(135deg,#a855f724,#c084fc14);color:#a855f7}.help-faq-cat-icon.cat-crystal{background:linear-gradient(135deg,#0ea5e924,#38bdf814);color:#0ea5e9}.help-faq-cat-icon.cat-skill{background:linear-gradient(135deg,#ec489924,#f472b614);color:#ec4899}.help-faq-cat-icon.cat-privacy{background:linear-gradient(135deg,#6366f124,#818cf814);color:#6366f1}.help-contact{padding:clamp(40px,6vw,72px) 0;background:linear-gradient(180deg,transparent 0%,rgba(240,235,250,.4) 50%,transparent 100%)}.help-contact-subtitle{margin:12px auto 0;text-align:center;color:var(--text-soft);font-size:16px}.help-contact-list{max-width:640px;margin:36px auto 0;display:grid;gap:14px}.help-contact-row{display:flex;align-items:center;gap:18px;padding:20px 24px;border:1px solid var(--line);border-radius:var(--card-radius);background:var(--surface-strong);box-shadow:0 10px 24px var(--shadow);text-decoration:none;color:inherit;cursor:pointer;font:inherit;width:100%;text-align:left}@media(prefers-reduced-motion:no-preference){.help-contact-row{transition:border-color .2s ease,box-shadow .2s ease}}.help-contact-row:hover{border-color:var(--line-strong);box-shadow:0 18px 36px var(--shadow-strong)}.help-contact-row-icon{width:48px;height:48px;flex-shrink:0;border-radius:14px;display:grid;place-items:center}.help-contact-row-icon.icon-chat{background:linear-gradient(135deg,#7c4ef31f,#9a6bfa14);color:var(--brand)}.help-contact-row-icon.icon-email{background:linear-gradient(135deg,#ef7ad624,#ff9bdc14);color:var(--pink)}.help-contact-row-icon.icon-wechat{background:linear-gradient(135deg,#07c1601f,#07c1600f);color:#07c160}.help-contact-row-body{flex:1;min-width:0}.help-contact-row-body h3{margin:0 0 4px;font-size:16px;font-weight:800;color:var(--text)}.help-contact-row-body p{margin:0;font-size:14px;color:var(--text-soft);line-height:1.5}.help-contact-row-arrow{flex-shrink:0;color:var(--text-muted);display:flex;align-items:center}.help-contact-row:hover .help-contact-row-arrow{color:var(--brand)}.help-contact-qr-trigger{position:relative;cursor:pointer}.help-contact-qr-dropdown{position:absolute;bottom:calc(100% + 12px);left:50%;transform:translate(-50%);z-index:var(--z-dropdown);display:flex;flex-direction:column;align-items:center;gap:8px;padding:12px;min-width:234px;border-radius:14px;background:#fff;box-shadow:0 8px 32px #2521452e;opacity:0;visibility:hidden;pointer-events:none;transition:opacity .2s ease,visibility .2s ease}.help-contact-qr-dropdown.is-open{opacity:1;visibility:visible;pointer-events:auto}.help-contact-qr-dropdown img{width:210px;height:210px;border-radius:8px;object-fit:contain;display:block}.help-contact-qr-tip{font-size:12px;font-weight:600;color:#666;white-space:nowrap}@media(max-width:860px){.help-contact-qr-dropdown{left:auto;right:0;transform:none}}@media(max-width:1024px){.help-quick-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:980px){.help-hero{padding:calc(var(--nav-height) + 40px) 0 40px}}@media(max-width:860px){.help-quick-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.help-contact-row{padding:16px 20px}.help-contact-row-icon{width:42px;height:42px}.help-contact-row-icon svg{width:22px;height:22px}}@media(max-width:640px){.help-hero{padding:calc(var(--nav-height) + 32px) 0 32px}.help-hero-title{font-size:clamp(28px,6vw,36px)}.help-search-input{height:50px;font-size:15px}.help-quick-grid{grid-template-columns:1fr}.help-quick-card{padding:20px}.help-quick-icon{width:46px;height:46px;border-radius:14px}.help-quick-icon svg{width:22px;height:22px}.help-faq-cat-icon{width:30px;height:30px;border-radius:8px}.help-faq-cat-icon svg{width:16px;height:16px}.help-contact-row{padding:14px 16px;gap:14px}.help-contact-row-icon{width:38px;height:38px}.help-contact-row-icon svg{width:20px;height:20px}.help-contact-row-body h3{font-size:15px}.help-contact-row-body p{font-size:13px}}