.aip{--blue: #2563EB;--blue-700: #1D4ED8;--indigo: #4F46E5;--violet: #7C3AED;--cyan: #06B6D4;--ink: #0B1220;--text: #334155;--muted: #64748B;--line: #E8EDF3;--soft: #F7F9FC;font-family:Inter,-apple-system,BlinkMacSystemFont,PingFang SC,Microsoft YaHei,sans-serif;color:#0f172a;background:#fff;-webkit-font-smoothing:antialiased;line-height:1.6}.aip *{box-sizing:border-box}.aip .font-display{font-family:Inter,sans-serif!important;letter-spacing:-.02em}.aip .aip-grad{background:linear-gradient(120deg,#2563eb,#4f46e5 45%,#06b6d4)}.aip .aip-grad-text{background:linear-gradient(120deg,#2563eb,#6366f1,#06b6d4);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.aip .aip-btn{display:inline-flex;align-items:center;justify-content:center;gap:.55rem;font-weight:600;font-size:16px;color:#fff;background:linear-gradient(120deg,#2563eb,#7c3aed 52%,#06b6d4);border:none;cursor:pointer;border-radius:.8rem;padding:.95rem 1.7rem;text-decoration:none;box-shadow:0 12px 26px -12px #4f46e5b3;transition:transform .16s ease,box-shadow .16s ease}.aip .aip-btn:before{content:"";width:18px;height:18px;flex:none;opacity:.95;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23fff'%3E%3Cpath d='M13 2l2.4 6.3L22 11l-6.6 2.7L13 20l-2.4-6.3L4 11l6.6-2.7z'/%3E%3Cpath d='M19 3l.9 2.3L22 6l-2.1.9L19 9l-.9-2.1L16 6l2.1-.7z'/%3E%3C/svg%3E") center/contain no-repeat}.aip .aip-btn:hover{transform:translateY(-2px);box-shadow:0 18px 34px -12px #4f46e5cc}.aip .aip-card{background:#fff;border:1px solid var(--line);border-radius:1.1rem;box-shadow:0 1px 2px #0f172a0a,0 18px 40px -28px #0f172a38}.aip .aip-chip{display:inline-flex;align-items:center;gap:.5rem;font-size:13px;font-weight:600;color:#2563eb;background:#eff4ff;border:1px solid #DBE5FF;border-radius:999px;padding:.4rem .9rem}.aip h1.aip-h1{font-weight:800;font-size:clamp(34px,5vw,58px);line-height:1.06;letter-spacing:-.025em;color:var(--ink)}.aip .aip-h2{font-weight:800;font-size:clamp(28px,3.6vw,44px);line-height:1.12;letter-spacing:-.02em;color:var(--ink)}.aip .aip-lede{font-size:clamp(16px,1.5vw,18px);color:var(--muted);line-height:1.7}.aip .aip-kicker{font-size:12.5px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:#2563eb}.aip .aip-section{padding:88px 0}@media(max-width:768px){.aip .aip-section{padding:56px 0}}.aip .aip-wrap{max-width:1140px;margin:0 auto;padding:0 22px}.aip .aip-wrap-narrow{max-width:820px;margin:0 auto;padding:0 22px}.aip .aip-hero{position:relative;overflow:hidden;background:#fff}.aip .aip-hero:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none;background:radial-gradient(1100px 480px at 82% -8%,rgba(37,99,235,.12),transparent 60%),radial-gradient(820px 420px at 2% 6%,rgba(124,58,237,.08),transparent 60%)}.aip .aip-grid-bg{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none;opacity:.5;background-image:linear-gradient(#EEF2F8 1px,transparent 1px),linear-gradient(90deg,#EEF2F8 1px,transparent 1px);background-size:46px 46px;mask-image:radial-gradient(ellipse 80% 60% at 50% 35%,#000 30%,transparent 75%);-webkit-mask-image:radial-gradient(ellipse 80% 60% at 50% 35%,#000 30%,transparent 75%)}.aip .aip-chat{background:#fff;border:1px solid #E6EBF2;border-radius:1.25rem;overflow:hidden;box-shadow:0 40px 80px -36px #0f172a4d,0 2px 8px #0f172a0d}.aip .aip-chat-head{display:flex;align-items:center;gap:.65rem;padding:.85rem 1rem;border-bottom:1px solid #EEF2F7;background:linear-gradient(180deg,#fbfcfe,#fff)}.aip .aip-msg-user{background:linear-gradient(135deg,#2563eb,#4f46e5);color:#fff;border-radius:1rem 1rem .25rem}.aip .aip-msg-ai{background:#f4f7fb;color:#0f172a;border:1px solid #EAEFF6;border-radius:1rem 1rem 1rem .25rem}.aip .aip-inputbar{border-top:1px solid #EEF2F7;background:#fff;padding:.7rem}.aip .aip-fakeinput{display:flex;align-items:center;gap:.5rem;border:1px solid #DCE3EC;border-radius:.9rem;padding:.6rem .8rem;background:#fff}.aip .aip-caret{display:inline-block;width:2px;height:1.05em;background:#2563eb;vertical-align:-2px;animation:aipBlink 1s steps(1) infinite}@keyframes aipBlink{50%{opacity:0}}.aip .aip-sendbtn{width:34px;height:34px;border-radius:.7rem;display:flex;align-items:center;justify-content:center;color:#fff;flex:none;background:linear-gradient(135deg,#2563eb,#4f46e5)}.aip .aip-model{display:flex;align-items:center;gap:.55rem}.aip .aip-model .ic{width:30px;height:30px;border-radius:.6rem;display:flex;align-items:center;justify-content:center;flex:none}.aip .aip-reveal{opacity:0;transform:translateY(20px);transition:opacity .8s ease,transform .8s ease}.aip .aip-reveal.in{opacity:1;transform:none}@media(max-width:860px){.aip .aip-hero-grid{grid-template-columns:1fr!important}}.aip .gold-card{transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease}.aip .gold-card:hover{transform:translateY(-3px);border-color:#2563eb59;box-shadow:0 18px 40px -22px #0f172a47,0 0 22px #2563eb1a}.aip .aip-btn:focus-visible,.aip .faq-toggle:focus-visible{outline:none;box-shadow:0 0 0 3px #2563eb59,0 0 0 5px #ffffffe6}@media(prefers-reduced-motion:reduce){.aip .aip-caret{animation:none}.aip .gold-card:hover{transform:none}.aip .aip-reveal{opacity:1;transform:none;transition:none}}