.site-ai-mail h1,.site-ai-mail h2,.site-ai-mail h3{font-size:revert;font-weight:revert;margin:revert}.site-ai-mail p{margin:revert}.site-ai-mail{--text:#111827;--muted:#667085;--line:rgba(92,103,141,.14);--primary:#635bff;--ink:#1f2430;--pink:#ff4f9a;--green:#2fca76;--orange:#ff9f2e;--blue:#3868ff;color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;background:radial-gradient(circle at 100% 8%,rgba(99,91,255,.1) 0 120px,transparent 320px),linear-gradient(180deg,#ffffff,#f8faff 45%,#ffffff);overflow-x:hidden;padding-bottom:72px}.site-ai-mail *{box-sizing:border-box}.site-ai-mail a{color:inherit;text-decoration:none}.site-ai-mail .section{width:min(1180px,calc(100% - 40px));margin:0 auto;padding:64px 0 0;scroll-margin-top:82px}.site-ai-mail .section-title{margin:0 0 8px;text-align:center;font-size:clamp(24px,2.4vw,32px);font-weight:900}.site-ai-mail .section-sub{margin:0 auto 30px;max-width:46em;text-align:center;color:var(--muted);font-size:15px;line-height:1.85}.site-ai-mail .hero{width:min(1180px,calc(100% - 40px));margin:0 auto;padding:clamp(36px,5vw,72px) 0 12px;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(28px,5vw,72px);align-items:center}.site-ai-mail .hero-tag{display:inline-flex;align-items:center;gap:8px;padding:7px 15px;border-radius:999px;background:rgba(99,91,255,.1);color:var(--primary);font-size:13px;font-weight:700}.site-ai-mail .hero-tag:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--primary)}.site-ai-mail .hero h1{margin:18px 0 0;font-size:clamp(32px,4vw,52px);line-height:1.18;font-weight:900;letter-spacing:-.01em}.site-ai-mail .hero-sub{margin:18px 0 0;max-width:32em;font-size:clamp(15px,1.2vw,17px);line-height:1.85;color:var(--muted)}.site-ai-mail .meta-note{margin-top:18px;font-size:13px;color:var(--muted)}.site-ai-mail .meta-note b{color:var(--ink)}.site-ai-mail .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}.site-ai-mail .btn-primary{display:inline-block;padding:12px 26px;border-radius:999px;background:var(--primary);color:#fff;font-size:14.5px;font-weight:800;box-shadow:0 12px 30px rgba(99,91,255,.28);transition:transform .18s ease,box-shadow .18s ease}.site-ai-mail .btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 38px rgba(99,91,255,.34)}.site-ai-mail .btn-ghost{display:inline-block;padding:12px 26px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--text);font-size:14.5px;font-weight:800}.site-ai-mail .btn-ghost:hover{border-color:rgba(99,91,255,.4);color:var(--primary)}.site-ai-mail .mock{width:100%;max-width:540px;margin:0 auto;background:#fff;border:1px solid rgba(92,103,141,.13);border-radius:18px;overflow:hidden;box-shadow:0 26px 60px rgba(37,45,79,.13),0 3px 10px rgba(37,45,79,.05)}.site-ai-mail .mock-bar{display:flex;align-items:center;gap:12px;padding:11px 16px;font-size:12.5px;font-weight:700;color:var(--muted);background:rgba(250,250,253,.95);border-bottom:1px solid rgba(92,103,141,.09)}.site-ai-mail .lights{display:inline-flex;gap:6px}.site-ai-mail .lights i{width:10px;height:10px;border-radius:50%;background:#ff5f57}.site-ai-mail .lights i:nth-child(2){background:#febc2e}.site-ai-mail .lights i:nth-child(3){background:#28c840}.site-ai-mail .mock-body{display:grid;gap:10px;padding:18px;font-size:13.5px;line-height:1.65}.site-ai-mail .bubble{max-width:88%;padding:10px 14px;border-radius:14px}.site-ai-mail .bubble.user{justify-self:end;background:var(--primary);color:#fff;border-bottom-right-radius:4px}.site-ai-mail .bubble.ai{background:#f2f3f8;color:var(--ink);border-bottom-left-radius:4px}.site-ai-mail .tool{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--muted);font-family:ui-monospace,SFMono-Regular,Menlo,monospace}.site-ai-mail .tool span{padding:2px 8px;border-radius:6px;background:rgba(99,91,255,.1);color:var(--primary);font-weight:700}.site-ai-mail .tool.live span:after{content:"";display:inline-block;width:6px;height:6px;margin-left:6px;border-radius:50%;background:var(--green);vertical-align:middle;animation:am-pulse 1.4s ease-in-out infinite}@keyframes am-pulse{0%,to{opacity:.25}50%{opacity:1}}.site-ai-mail .mail-card{margin-left:16px;padding:12px 14px;border-radius:12px;border:1px solid var(--line);border-left:3px solid var(--green);background:#fbfcff}.site-ai-mail .mail-from{display:flex;justify-content:space-between;font-size:13px}.site-ai-mail .mail-from em{font-style:normal;color:var(--muted);font-size:12px}.site-ai-mail .mail-subj{color:var(--muted);font-size:12.5px}.site-ai-mail .mail-code{margin-top:6px;font:800 20px/1.2 ui-monospace,Menlo,monospace;letter-spacing:.12em;color:var(--ink)}.site-ai-mail .flow{list-style:none;margin:0;padding:0;counter-reset:am-step;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:14px}.site-ai-mail .flow li{position:relative;counter-increment:am-step;padding:20px 16px 18px;border-radius:16px;background:#fff;border:1px solid var(--line);box-shadow:0 10px 28px rgba(48,58,94,.06)}.site-ai-mail .flow li:before{content:counter(am-step);display:grid;place-items:center;width:26px;height:26px;margin-bottom:10px;border-radius:50%;background:var(--ink);color:#fff;font-size:12px;font-weight:800}.site-ai-mail .flow li:nth-child(2):before,.site-ai-mail .flow li:nth-child(4):before{background:var(--primary)}.site-ai-mail .flow li:not(:last-child):after{content:"→";position:absolute;right:-13px;top:50%;transform:translateY(-50%);color:var(--primary);font-weight:900;z-index:1}.site-ai-mail .flow b{display:block;font-size:15px}.site-ai-mail .flow span{display:block;margin-top:4px;font-size:13px;line-height:1.6;color:var(--muted)}.site-ai-mail .feature-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.site-ai-mail .feature{padding:24px;border-radius:18px;background:#fff;border:1px solid var(--line);transition:transform .18s ease,box-shadow .18s ease}.site-ai-mail .feature:hover{transform:translateY(-3px);box-shadow:0 18px 40px rgba(48,58,94,.1)}.site-ai-mail .feature h3{margin:14px 0 6px;font-size:17px}.site-ai-mail .feature p{margin:0;font-size:14px;line-height:1.8;color:var(--muted)}.site-ai-mail .icon{display:grid;place-items:center;width:42px;height:42px;border-radius:12px;font-weight:900;font-size:18px;color:#fff}.site-ai-mail .icon.blue{background:linear-gradient(135deg,#5b8cff,var(--blue))}.site-ai-mail .icon.violet{background:linear-gradient(135deg,#8f88ff,var(--primary))}.site-ai-mail .icon.green{background:linear-gradient(135deg,#5fe09b,var(--green))}.site-ai-mail .icon.orange{background:linear-gradient(135deg,#ffbe6b,var(--orange))}.site-ai-mail .icon.pink{background:linear-gradient(135deg,#ff86bd,var(--pink))}.site-ai-mail .icon.ink{background:linear-gradient(135deg,#4a5168,var(--ink))}.site-ai-mail .setup{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.site-ai-mail .setup article{min-width:0;padding:20px;border-radius:18px;background:var(--ink);color:#e6e8f2}.site-ai-mail .setup h3{display:flex;align-items:center;gap:10px;margin:0 0 12px;font-size:15px;color:#fff}.site-ai-mail .setup h3 span{display:grid;place-items:center;width:24px;height:24px;border-radius:7px;background:var(--primary);font-size:12px}.site-ai-mail .setup pre{margin:0;padding:14px;border-radius:12px;background:rgba(255,255,255,.06);overflow-x:auto;font:12.5px/1.7 ui-monospace,SFMono-Regular,Menlo,monospace;color:#c9ccff;white-space:pre}.site-ai-mail .after-setup{margin:22px 0 0;text-align:center;color:var(--muted);font-size:14.5px}.site-ai-mail .scenes{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.site-ai-mail .scenes article{padding:22px;border-radius:18px;border:1px solid var(--line);background:linear-gradient(160deg,rgba(99,91,255,.07),#fff 60%)}.site-ai-mail .scenes h3{margin:0 0 8px;font-size:16px}.site-ai-mail .scenes p{margin:0;font-size:14px;line-height:1.8;color:var(--muted)}.site-ai-mail .faq{max-width:820px;margin:0 auto;display:grid;gap:10px}.site-ai-mail .faq details{padding:16px 20px;border-radius:14px;background:#fff;border:1px solid var(--line)}.site-ai-mail .faq summary{cursor:pointer;font-weight:800;font-size:15px}.site-ai-mail .faq p{margin:10px 0 0;font-size:14px;line-height:1.85;color:var(--muted)}.site-ai-mail .cta{display:flex;align-items:center;justify-content:space-between;gap:32px;padding:36px 40px;border-radius:24px;color:#fff;background:radial-gradient(circle at 90% 10%,rgba(255,79,154,.35),transparent 40%),linear-gradient(135deg,#4d43e6,var(--primary) 55%,#8f88ff);box-shadow:0 26px 60px rgba(99,91,255,.28)}.site-ai-mail .cta h2{margin:0;font-size:clamp(22px,2.4vw,30px);font-weight:900}.site-ai-mail .cta p{margin:10px 0 0;max-width:36em;line-height:1.8;opacity:.92}.site-ai-mail .cta .btn-primary{background:#fff;color:var(--primary);box-shadow:none}.site-ai-mail .cta .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}.site-ai-mail .cta img{flex:none;border-radius:14px;background:#fff;padding:8px}@media (max-width:980px){.site-ai-mail .flow,.site-ai-mail .hero{grid-template-columns:1fr}.site-ai-mail .flow li:not(:last-child):after{content:"↓";right:50%;top:auto;bottom:-15px;transform:translateX(50%)}.site-ai-mail .feature-grid,.site-ai-mail .setup{grid-template-columns:1fr}.site-ai-mail .scenes{grid-template-columns:repeat(2,minmax(0,1fr))}.site-ai-mail .cta{flex-direction:column;align-items:flex-start;padding:28px 24px}}@media (max-width:560px){.site-ai-mail .scenes{grid-template-columns:1fr}}