/* 青木 AI 首页：轻量动态线场、居中排版与真实问题入口。 */
.intelligence-composer>.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.home-page{background:#fafbfe}.home-page .site-header{background:#ffffffed;border-bottom:1px solid #ececf3}.home-page .site-nav{max-width:1320px;min-height:82px}.home-page .site-links a{font-size:13px}.home-page .site-actions>.primary{border-radius:24px;background:#20202b;border-color:#20202b;padding:10px 20px}.home-page .site-links a[aria-current=page]{color:#6c50c9}.home-page .site-links a[aria-current=page]:after{background:#6c50c9}
.intelligence-hero{position:relative;isolation:isolate;overflow:hidden;min-height:760px;display:flex;align-items:center;flex-direction:column;padding:122px 24px 40px;background:radial-gradient(ellipse at 22% 37%,#ecf8fd80,transparent 32%),radial-gradient(ellipse at 80% 52%,#f0eafa90,transparent 36%),#fdfdff}
#intelligence-field{position:absolute;inset:0;width:100%;height:100%;z-index:-2;pointer-events:none}.intelligence-hero:after{content:"";position:absolute;inset:0;z-index:-1;background:radial-gradient(ellipse 38% 45% at 50% 40%,#fdfdfff5 35%,#fdfdffb0 72%,transparent 100%);pointer-events:none}
.intelligence-eyebrow{display:flex;align-items:center;gap:10px;font:500 11px/1.5 "Segoe UI",sans-serif;letter-spacing:2px!important;color:#77738b;margin:0 0 25px}.intelligence-eyebrow:before{content:"";width:6px;height:6px;background:#9472dc;border-radius:50%;box-shadow:0 0 14px #9375dd50}
.intelligence-hero h1{margin:0;text-align:center;color:#191a25;font-size:clamp(44px,5.1vw,72px);font-weight:650;line-height:1.25;letter-spacing:-3px!important}.intelligence-hero h1 span{background:linear-gradient(110deg,#466b8b,#8060c5 65%,#967bcc);background-clip:text;-webkit-background-clip:text;color:transparent}.intelligence-description{margin:25px 0 30px!important;text-align:center;font-size:15px;line-height:1.85;color:#707181;max-width:530px}
.intelligence-composer{width:min(100%,650px);padding:17px 18px 12px;border:1px solid #e8e6f1;border-radius:22px;background:#fffffff5;box-shadow:0 7px 45px #4740710a,0 0 0 6px #ffffff70;transition:border-color .2s,box-shadow .2s}.intelligence-composer:focus-within{border-color:#aa96de;box-shadow:0 8px 40px #7561ac15,0 0 0 6px #ffffff70}.intelligence-composer textarea{display:block;resize:none;width:100%;min-height:53px;border:0;outline:none!important;background:transparent;font-size:15px;line-height:1.75;color:#242333;padding:0;box-shadow:none}.intelligence-composer textarea::placeholder{color:#90909e}.intelligence-composer-footer{display:flex;justify-content:space-between;align-items:center;gap:12px;color:#92909e;font-size:11px}.intelligence-composer-footer>span{display:flex;align-items:center;gap:7px}.intelligence-composer-footer svg{width:14px;height:14px}.intelligence-composer button{width:38px;height:38px;padding:0;display:grid;place-items:center;border-radius:50%;background:#272331;color:white;border:0;cursor:pointer}.intelligence-composer button:hover{background:#7257b2}.intelligence-composer button svg{width:19px;height:19px}
.intelligence-suggestions{display:flex;gap:9px;flex-wrap:wrap;justify-content:center;margin-top:20px}.intelligence-suggestions button{display:flex;align-items:center;gap:7px;padding:8px 12px;border:1px solid #e8e6ef;border-radius:20px;background:#ffffffb0;color:#777483;font-size:11px}.intelligence-suggestions button:hover{color:#67529e;border-color:#b9a5e2}.intelligence-suggestions svg{width:13px;height:13px}#home-question-error{min-height:18px;margin:12px 0 0;color:#ab3f51;font-size:12px}
.intelligence-bottom{width:min(100%,960px);display:flex;justify-content:space-between;align-items:end;margin-top:68px;color:#85828f;font-size:10px}.intelligence-bottom>span{letter-spacing:1.5px!important}.intelligence-bottom a{display:flex;align-items:center;gap:8px;color:#686575;text-decoration:none}.intelligence-bottom svg{width:14px}.intelligence-bottom .hero-models{display:flex;gap:19px;font:500 13px "Segoe UI",sans-serif;letter-spacing:0!important;color:#6f6c79}
.home-page .ecosystem-navband{background:#fff;border-top:1px solid #eeedf3;border-bottom:1px solid #eeedf3}.home-page .ecosystem-navband a{color:#3e3c4c}.home-page .ecosystem-navband small{color:#858391}.home-page .ecosystem-navband svg{color:#81709e}.home-page #products{background:#fafbfe}.home-page .suite-card{border-radius:16px;border-color:#e7e7ee}.home-page .suite-icon{color:#726284}
.home-page .contact-dock>button,.home-page .contact-dock>a{background:#fffffff2;color:#676274;border-color:#e8e5ed;border-radius:50%;box-shadow:0 3px 15px #3933440a}.home-page .contact-dock>button:hover,.home-page .contact-dock>a:hover{background:#f0ebf8;color:#7051a4}
@media(min-width:1600px){.intelligence-hero{min-height:830px;padding-top:145px}.intelligence-bottom{margin-top:100px}}
@media(max-width:800px){.home-page .site-nav{min-height:72px}.intelligence-hero{min-height:710px;padding:104px 22px 26px}.intelligence-hero h1{font-size:46px;letter-spacing:-2px!important}.intelligence-description{font-size:13px;margin:22px 0 28px!important}.intelligence-bottom{margin-top:65px;gap:20px;justify-content:center;flex-wrap:wrap}.intelligence-bottom>span{display:none}.intelligence-bottom .hero-models{font-size:12px;gap:20px}.intelligence-composer textarea{font-size:14px;min-height:66px}.intelligence-hero:after{background:radial-gradient(ellipse 90% 40% at 50% 38%,#fdfdfff5 32%,#fdfdff90 75%,transparent 100%)}}
@media(max-width:400px){.intelligence-hero{padding:92px 18px 28px;min-height:690px}.intelligence-hero h1{font-size:39px;letter-spacing:-1.7px!important}.intelligence-description{font-size:12px}.intelligence-suggestions{gap:7px}.intelligence-suggestions button{padding:7px 10px;font-size:10px}.intelligence-bottom{margin-top:55px}.intelligence-composer{border-radius:18px;padding:16px 14px 12px}.intelligence-eyebrow{font-size:9px}.intelligence-bottom .hero-models{gap:16px}}
@media(prefers-reduced-motion:reduce){.intelligence-composer{transition:none}}
@media(max-width:360px){.intelligence-hero h1{font-size:32px;letter-spacing:-1.2px!important}.intelligence-hero h1 span{white-space:nowrap}.intelligence-description{font-size:11px}.intelligence-bottom .hero-models{gap:14px;font-size:11px}}
.source-guidance{display:flex;gap:.7rem;align-items:center;max-width:760px;margin:1rem auto 0;padding:.8rem 1rem;border:1px solid rgba(120,150,190,.3);border-radius:14px;background:rgba(18,28,44,.72);font-size:.86rem}.source-guidance span{color:rgba(225,235,248,.72);flex:1}.source-guidance a{white-space:nowrap;color:#9ed8ff;text-decoration:none}@media(max-width:700px){.source-guidance{align-items:flex-start;flex-wrap:wrap}.source-guidance span{flex-basis:100%}}