@charset "UTF-8";
:root{--blue:#1554ce;--blue-dark:#0d3276;--cyan:#20b9ca;--ink:#172d4a;--muted:#66758b;--line:#e3e9f1;--paper:#f6f8fc;--radius:12px;font-family:Inter,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:#fff;font-synthesis:none;scroll-behavior:smooth;scroll-padding-top:100px}
*{box-sizing:border-box}body{margin:0}a{color:inherit;text-decoration:none}button,input,textarea{font:inherit}button,a,input,textarea{outline-offset:4px}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.55}button{color:inherit}img{display:block;max-width:100%;height:auto}h1,h2,h3,p{margin:0}button{border:0;background:none}::selection{background:#c8defe}a:focus-visible,button:focus-visible{outline:2px solid var(--blue)}[hidden]{display:none!important}.sr-only,.skip:not(:focus){position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}.skip:focus{position:fixed;top:12px;left:12px;background:#fff;padding:14px;z-index:30}.section-wrap{width:min(1280px,calc(100% - 112px));margin-inline:auto}.header{height:100px;display:flex;align-items:center;gap:38px;padding:0 56px;border-bottom:1px solid #edf0f5;background:#fff;position:relative;z-index:5}.brand{display:block;width:137px;flex-shrink:0}.brand img{width:100%;height:auto}.header nav{display:flex;gap:34px;margin-left:auto;font-size:14px;font-weight:550}.header nav a:hover,.footer a:hover{color:var(--blue)}.button{display:inline-flex;justify-content:center;align-items:center;gap:36px;border-radius:6px;background:var(--blue);color:white;padding:17px 25px;font-size:15px;font-weight:600;transition:background .2s,transform .2s;border:1px solid transparent}.button:hover{background:#1044af;transform:translateY(-1px)}.button.small{font-size:13px;padding:13px 20px;gap:25px}.button.secondary{background:#edf2fa;color:var(--ink)}.button.wide{width:100%}.text-link{display:inline-flex;gap:20px;align-items:center;font-size:14px;font-weight:600}.text-link:hover{color:var(--blue)}.nav-toggle{display:none}.eyebrow{font-size:11px;letter-spacing:1.9px;color:var(--blue);font-weight:650;line-height:1.6}.dot,.status-dot{display:inline-block;width:6px;height:6px;border-radius:100%;background:var(--cyan);margin-right:9px}.hero{display:grid;grid-template-columns:1fr 1.05fr;align-items:center;gap:32px;min-height:670px;padding-block:68px 72px}.hero h1{font-size:clamp(40px,4.3vw,64px);letter-spacing:-2px;line-height:1.3;margin:24px 0}.hero h1 span{color:var(--blue)}.hero-desc{font-size:15px;line-height:2;color:var(--muted)}.hero-actions{display:flex;align-items:center;gap:30px;margin-top:34px}.hero-note{display:flex;gap:24px;margin-top:49px;font-size:12px;color:#8793a4}.hero-note span+span{padding-left:24px;border-left:1px solid #dbe4ef}.hero-art{align-self:stretch;position:relative;background:linear-gradient(140deg,#f7faff,#e9f1fb);border:1px solid #e2ebf7;border-radius:12px;display:flex;align-items:center;min-width:0}.hero-art>img{width:100%;margin:34px 0 18px}.art-top{position:absolute;top:25px;left:25px;right:25px;font-size:11px;color:#526c8e;display:flex;align-items:center}.art-top .status-dot{margin-right:7px}.art-index{margin-left:auto;font-size:10px;letter-spacing:1px;color:#91a4be}.art-bottom{position:absolute;bottom:25px;left:25px;right:25px;display:flex;justify-content:space-between;font-size:10px;gap:12px}.art-label{color:#365a88;letter-spacing:1px}.art-caption{color:#879db9}.focus-strip{background:#f7f9fc;border-block:1px solid var(--line)}.focus-strip>.section-wrap{display:flex;align-items:center;justify-content:space-between;padding-block:26px;gap:20px}.focus-strip p{font-size:13px;color:var(--muted)}.focus-strip strong{font-weight:500;color:var(--ink)}.focus-strip .section-wrap>div{display:flex;align-items:center;gap:26px;font-size:12px}.focus-strip b{color:#9aa9bb;font-weight:400}.section-space{padding-block:108px}.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:35px;margin-bottom:44px}.section-head h2,.technology h2,.about h2,.cta h2{font-size:38px;line-height:1.4;letter-spacing:-1px;margin-top:17px}.section-head>p{font-size:14px;line-height:1.9;color:var(--muted);padding-bottom:5px}.solution-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.solution-card{padding:30px 28px;border:1px solid var(--line);border-radius:10px;background:#fff;transition:box-shadow .2s,border-color .2s,transform .2s}.solution-card:hover{box-shadow:0 12px 30px #12315d0a;border-color:#b4cbee;transform:translateY(-4px)}.card-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:35px}.card-number{font-size:12px;color:#8a99ac;letter-spacing:1px}.card-icon{display:grid;place-items:center;font-size:31px;width:52px;height:52px;background:#edf4ff;color:var(--blue);border-radius:12px}.solution-card h3{font-size:23px;letter-spacing:-.5px;margin-bottom:17px}.solution-card>p{font-size:13px;line-height:1.9;color:var(--muted);min-height:74px}.tags{display:flex;flex-wrap:wrap;gap:9px;margin:24px 0 35px}.tags span,.case-tag{padding:5px 9px;background:#f2f5f9;border-radius:4px;font-size:10px;color:#647994}.card-bottom{border-top:1px solid var(--line);padding-top:20px;font-size:12px;display:flex;justify-content:space-between}.card-bottom span{font-size:18px}.accent-card{background:#f4f8fe;border-color:#d8e5f8}.accent-card .card-icon{background:#dfeafe}.technology{padding-block:90px;background:#102e61;color:#fff;position:relative;overflow:hidden}.technology:after{content:"";position:absolute;right:-140px;bottom:-240px;width:620px;height:620px;border:1px solid #ffffff0b;border-radius:50%;box-shadow:0 0 0 70px #ffffff02,0 0 0 140px #ffffff02;pointer-events:none}.tech-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:90px;position:relative;z-index:1}.eyebrow.light{color:#88c5ec}.technology h2{font-size:42px}.tech-desc{font-size:14px;line-height:2;color:#b7c8e2;margin:24px 0 30px}.light-link{color:#b7e5f1}.light-link:hover{color:#fff}.tech-flow{border-left:1px solid #4771a0;padding-left:38px}.flow-node{position:relative;padding:0 0 31px}.flow-node:last-child{padding-bottom:0}.flow-node:before{content:"";position:absolute;width:9px;height:9px;background:#21bccc;border:5px solid #102e61;outline:1px solid #43709e;left:-48px;top:0;border-radius:50%}.flow-node>span{font-size:10px;letter-spacing:1px;color:#8daccf}.flow-node h3{font-size:20px;margin:11px 0 8px;font-weight:550}.flow-node p{font-size:13px;color:#abc0df;line-height:1.9}.case-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.case-card{border:1px solid var(--line);border-radius:10px;overflow:hidden}.case-visual{height:208px;background:#e9f0fa;position:relative;overflow:hidden;display:grid;place-items:center}.case-visual.cyan{background:#e9f5f5}.case-visual:before{content:"";position:absolute;inset:0;background-image:linear-gradient(#b9cde52b 1px,transparent 1px),linear-gradient(90deg,#b9cde52b 1px,transparent 1px);background-size:25px 25px;transform:perspective(300px) rotateX(45deg) scale(1.8);transform-origin:center bottom}.case-visual>span{position:absolute;left:24px;bottom:22px;font-size:10px;letter-spacing:2px;color:#58799f}.turbine{display:flex;gap:16px;align-items:flex-end;transform:skewY(-9deg) rotate(-3deg);height:110px;position:relative;left:35px}.turbine i{width:46px;height:80px;background:linear-gradient(90deg,#9bbadf,#dbe9f9);border-top:6px solid #f5faff;box-shadow:12px 7px 0 #6b91c41c}.turbine i:nth-child(2){height:110px}.turbine i:nth-child(3){height:90px}.turbine i:nth-child(4){height:50px}.cyan .turbine i{background:linear-gradient(90deg,#94c9cb,#d2edee);box-shadow:12px 7px 0 #6caaa918}.case-body{padding:28px}.case-body .eyebrow{font-size:10px;letter-spacing:1px}.case-body h3{font-size:21px;margin:12px 0 15px}.case-body>p:not(.eyebrow){font-size:13px;line-height:1.9;color:var(--muted);margin-bottom:24px}.case-tag{margin-right:9px;display:inline-block}.about{border-top:1px solid var(--line);padding-block:55px 75px}.about-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:85px;margin-top:12px}.about h2{margin-top:0;font-size:34px}.about-grid>div p{font-size:14px;line-height:2;color:var(--muted);margin-bottom:16px}.about-values{display:grid;grid-template-columns:repeat(4,1fr);margin-top:40px;padding-top:28px;border-top:1px solid var(--line);font-size:13px}.about-values span+span{border-left:1px solid var(--line);padding-left:30px}.cta{border-radius:12px;background:#f0f5fd;padding:46px 52px;display:flex;align-items:center;justify-content:space-between;gap:30px;margin-bottom:80px}.cta h2{font-size:32px;margin-top:10px}.cta p:not(.eyebrow){font-size:13px;color:var(--muted);margin-top:15px}.footer{display:grid;grid-template-columns:1fr auto;gap:40px;padding-bottom:25px}.footer-brand{font-size:23px;font-weight:700;color:var(--blue);letter-spacing:-1px}.footer-brand span{font-size:12px;font-weight:500;letter-spacing:1px;margin-left:9px}.footer p{font-size:11px;color:#8a97a9;margin-top:12px}.footer-links{display:flex;gap:24px;align-items:flex-start;font-size:11px;color:var(--muted);padding-top:10px}.footer-bottom{border-top:1px solid var(--line);grid-column:1/-1;padding-top:20px;display:flex;gap:20px;justify-content:space-between;font-size:10px;color:#99a4b4}.detail-page{padding-block:70px 100px}.detail-page h1{font-size:50px;margin:20px 0;letter-spacing:-1px}.detail-lead{font-size:18px;line-height:1.9;color:var(--muted);max-width:760px}.detail-hero{display:grid;grid-template-columns:1.3fr 1fr;gap:65px;align-items:center;margin-bottom:65px}.detail-hero img{background:#f3f7fc;border-radius:12px}.detail-page h2{font-size:26px;margin:50px 0 25px}.detail-page h3{font-size:20px;margin-bottom:15px}.detail-columns{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}.detail-columns>article{border-top:2px solid #b2c9ea;padding-top:25px}.detail-page article p{font-size:14px;line-height:1.9;color:var(--muted)}.detail-note{padding:24px;background:#f4f7fb;color:var(--muted);font-size:13px;line-height:1.9;border-radius:8px;margin-block:40px}.policy-page{max-width:850px;padding-block:60px 100px}.policy-page h1{font-size:32px;margin-bottom:20px}.policy-page h2{font-size:20px;margin:30px 0 15px}.policy-page p,.policy-page li{font-size:14px;line-height:2;color:var(--muted)}.draft-banner{padding:20px;background:#eef4ff;border-left:3px solid var(--blue);margin:22px 0}.empty-page{max-width:650px;padding:15vh 24px;margin:auto}.empty-page h1{font-size:36px;margin:30px 0 20px}.empty-page>p:not(.eyebrow){color:var(--muted);line-height:1.8}
/* 对话工作区 */
.chat-page{background:#fff}.chat-layout{display:grid;grid-template-columns:258px 1fr;height:100dvh;min-height:520px}.sidebar{background:#f5f7fb;border-right:1px solid var(--line);padding:28px 18px 15px;display:flex;flex-direction:column;min-width:0;z-index:10}.sidebar>.brand{width:125px;margin:0 12px 27px}.new-chat{display:flex;align-items:center;gap:8px;background:#e6edfb;color:#174ea9;padding:13px 12px;border-radius:8px;font-size:13px;white-space:nowrap}.new-chat>span:first-child{font-size:20px}.shortcut{margin-left:auto;font-size:10px;color:#7f9bc4}.sidebar-label{color:#94a0b3;font-size:10px;margin:28px 12px 13px}.history{flex:1;overflow:auto}.history-empty{font-size:12px;color:#728198;padding:10px 12px;line-height:1.9}.history-item{display:block;text-align:left;width:100%;padding:12px;border-radius:6px;font-size:12px;white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.history-item:hover,.history-item.selected{background:#e7edf7}.sidebar-bottom{border-top:1px solid var(--line);padding-top:18px}.sidebar-bottom>a{font-size:11px;color:var(--muted);display:block;padding:0 12px 17px}.account-button{width:100%;display:flex;align-items:center;gap:9px;padding:10px;border-radius:7px;font-size:12px}.account-button:hover{background:#e9eff9}.account-button>span:last-child{margin-left:auto;color:#8e9eb4}.avatar{width:28px;height:28px;border-radius:50%;background:#e1eafa;color:#6f8fbb;font-size:12px;display:grid;place-items:center}.chat-main{display:flex;flex-direction:column;height:100dvh;min-width:0}.chat-header{height:76px;flex-shrink:0;display:flex;align-items:center;padding:0 34px;gap:15px;border-bottom:1px solid #f1f4f8}.model-title{font-size:19px;font-weight:700;letter-spacing:.3px}.model-title>span{font-size:11px;font-weight:400;margin-left:10px;color:#91a0b3;letter-spacing:0}.free-label{font-size:10px;color:#4e8b83;background:#eff8f5;border-radius:4px;padding:5px 8px;margin-left:auto}.sidebar-toggle{display:none}.chat-scroll{flex:1;overflow:auto;overscroll-behavior:contain;scroll-behavior:smooth;min-height:0}.chat-welcome{width:min(850px,calc(100% - 90px));margin:clamp(40px,10vh,115px) auto 50px;text-align:center}.twen-mark{display:grid;place-items:center;border-radius:19px;width:64px;height:64px;margin:0 auto 24px;background:#eaf2ff;color:var(--blue);font-size:44px;box-shadow:0 0 0 8px #f5f9ff}.chat-welcome .eyebrow{font-size:9px;letter-spacing:2.5px;color:#687f9f}.chat-welcome h1{font-size:36px;font-weight:550;letter-spacing:-1px;margin:16px 0 15px}.chat-welcome h1>span{color:var(--blue);font-weight:650}.welcome-sub{font-size:13px;color:#66758b}.suggestion-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:44px;text-align:left}.suggestion-grid>button{border:1px solid var(--line);border-radius:10px;padding:20px 18px 15px;text-align:left;transition:border-color .2s,background .2s;position:relative}.suggestion-grid>button:hover{border-color:#b2c8ec;background:#f7faff}.suggestion-grid>button>span:first-child{display:flex;align-items:center;gap:8px;color:var(--blue);font-size:18px}.suggestion-grid b{font-weight:550;color:#536d8c;font-size:12px}.suggestion-grid p{font-size:12px;line-height:1.9;color:#62748e;margin:13px 0 17px}.suggestion-arrow{display:block;text-align:right;color:#91a7c4;font-size:14px}.composer-wrap{width:min(850px,calc(100% - 90px));margin:0 auto 16px;flex-shrink:0}.availability{text-align:center;font-size:11px;color:#8193ab;min-height:19px;margin:6px 0 12px;line-height:1.8}.availability.error{color:#ad5a37}.composer{border:1px solid #d9e2ef;border-radius:15px;padding:16px 17px 12px;box-shadow:0 4px 20px #17365a05;background:#fff}.composer:focus-within{border-color:#93b3e5;box-shadow:0 0 0 3px #1554ce05}.composer textarea{width:100%;border:0;resize:none;background:transparent;min-height:53px;max-height:150px;outline:none;color:var(--ink);line-height:1.8;font-size:14px}.composer textarea::placeholder{color:#a0adbf}.composer-toolbar{display:flex;justify-content:space-between;align-items:center;margin-top:6px}.composer-toolbar>span{font-size:11px;font-weight:600;color:#6a86b0;letter-spacing:.2px}.composer-tag{font-weight:400;font-size:10px;color:#a2aec0;margin-left:8px}.send-button{width:34px;height:34px;border-radius:9px;background:var(--blue);color:#fff;font-size:23px;display:grid;place-items:center}.send-button.stop{font-size:16px;background:#e8eef9;color:var(--blue)}.chat-disclaimer{font-size:9px;text-align:center;color:#738298;line-height:1.8;margin-top:12px}.chat-disclaimer>span{margin-left:15px;color:#b2bdcb}.conversation-tools{display:flex;gap:16px;justify-content:flex-end;margin-bottom:10px;color:#8b9bb2;font-size:11px}.conversation-tools button:hover{color:var(--blue)}.messages{width:min(850px,calc(100% - 90px));margin:28px auto 30px}.message{margin:24px 0;display:flex;flex-direction:column;align-items:flex-start;min-width:0}.message.user{align-items:flex-end}.message.user .message-body{background:#edf3fc;padding:14px 19px;border-radius:16px 16px 4px 16px;max-width:85%}.message.assistant .message-body{padding:9px 0;max-width:100%;width:100%}.message-label{font-size:11px;color:#8e9eb5;display:flex;gap:8px;align-items:center;margin-bottom:8px}.message-label img{width:22px;height:22px}.message-body{font-size:14px;line-height:1.95;overflow-wrap:anywhere;white-space:pre-wrap}.message-body pre{white-space:pre;overflow:auto;background:#f3f6fa;border:1px solid #e3eaf4;border-radius:8px;padding:16px;font:12px/1.7 Consolas,monospace}.message-actions{display:flex;gap:16px;font-size:10px;color:#8e9eb5;margin-top:10px}.message-status{font-size:11px;color:#aa7957}.typing{font-size:12px;color:#9aa8bb}.modal{padding:36px;border:1px solid var(--line);border-radius:16px;max-width:440px;width:calc(100% - 32px);color:var(--ink);box-shadow:0 24px 100px #0e2a4d26}.modal::backdrop{background:#10244460;backdrop-filter:blur(3px)}.modal-close{position:absolute;top:15px;right:16px;font-size:25px;color:#8b9bb0}.icon-button{padding:4px 8px}.modal h2{font-size:24px;margin:6px 0 12px}.modal p{font-size:12px;line-height:1.9;color:var(--muted)}.modal .modal-sub{margin-bottom:20px;color:#92a0b4}.twen-mark.mini{width:43px;height:43px;font-size:32px;box-shadow:none;margin:0 0 18px;border-radius:12px}.modal form>label:not(.consent){display:block;font-size:12px;margin:19px 0 10px}.phone-field,.otp-field{display:flex;align-items:center;border:1px solid #dce4ef;border-radius:7px;overflow:hidden}.phone-field>span{font-size:12px;color:#7c90ac;padding:0 14px;border-right:1px solid var(--line)}.modal input:not([type=checkbox]){background:#fff;border:1px solid #dce4ef;min-width:0;width:100%;padding:13px 12px;border-radius:6px;font-size:13px}.phone-field input:not([type=checkbox]),.otp-field input:not([type=checkbox]){border:0}.otp-field>button{flex-shrink:0;font-size:11px;color:var(--blue);padding:12px}.consent{display:flex;align-items:flex-start;gap:8px;margin:20px 0;font-size:10px;line-height:1.9;color:#8a99af}.consent input{margin:3px 0 0;accent-color:var(--blue)}.consent a{color:var(--blue)}.form-error{color:#ba503b!important;margin-top:12px;min-height:18px}.form-notice:not(:empty){padding:12px;background:#f0f5fc;border-radius:6px;color:#607da6;margin-bottom:15px}.account-actions{display:grid;gap:20px;margin-top:28px}.danger-text{color:#b45848;font-size:12px}.confirm-actions{display:flex;justify-content:flex-end;gap:12px;margin-top:25px}.confirm-actions .button{padding:11px 20px;font-size:13px}.modal #rename-input{margin-top:20px}.toast{position:fixed;bottom:30px;left:50%;transform:translateX(-50%);background:#213b5e;color:#fff;max-width:calc(100% - 40px);padding:12px 20px;font-size:12px;border-radius:8px;z-index:50;box-shadow:0 6px 25px #203b5c20}
@media(min-width:1600px){.hero{min-height:720px}.hero-art{max-height:550px}.header{padding-inline:max(56px,calc((100vw - 1280px)/2))}.hero h1{font-size:64px}}
@media(max-width:1100px){.section-wrap{width:calc(100% - 64px)}.header{padding-inline:32px;gap:25px}.header nav{gap:20px;font-size:12px}.hero{min-height:580px;gap:20px}.hero h1{font-size:45px}.hero-desc{font-size:13px}.hero-actions{gap:20px}.hero-actions .button{padding:15px 18px;font-size:13px;gap:20px}.art-bottom{left:16px;right:16px;font-size:9px}.art-caption{display:none}.section-space{padding-block:80px}.solution-card{padding:25px 22px}.tech-grid,.about-grid{gap:45px}.chat-welcome,.composer-wrap,.messages{width:calc(100% - 64px)}.suggestion-grid{gap:10px}.suggestion-grid>button{padding:16px 12px}.chat-layout{grid-template-columns:230px 1fr}.sidebar{padding-inline:12px}.chat-welcome h1{font-size:30px}.chat-disclaimer>span{display:none}}
@media(max-width:760px){:root{scroll-padding-top:80px}.section-wrap{width:calc(100% - 40px)}.header{height:78px;padding:0 20px;gap:15px}.brand{width:105px}.header>.button{margin-left:auto;font-size:11px;padding:11px 14px;gap:16px}.nav-toggle{display:flex;align-items:center;gap:8px;margin-left:auto;font-size:11px;color:#6680a1}.nav-toggle span{font-size:16px}.header nav{display:none;position:absolute;top:77px;left:0;right:0;padding:20px;background:white;border-bottom:1px solid var(--line);box-shadow:0 10px 20px #1c3b5c08;flex-direction:column;gap:22px;font-size:13px}.header nav.open{display:flex}.hero{grid-template-columns:1fr;min-height:0;padding:48px 0 40px;gap:32px}.hero h1{font-size:43px;letter-spacing:-1.5px;margin:20px 0}.hero-copy .eyebrow{font-size:9px;letter-spacing:1.5px}.hero-desc{font-size:13px;line-height:1.95}.desktop{display:none}.hero-actions{margin-top:25px;gap:25px}.hero-note{margin-top:25px;font-size:10px}.hero-art{max-height:360px;min-height:290px}.hero-art>img{margin:15px auto 0;max-width:450px;max-height:320px}.art-top{top:17px;left:18px;right:18px;font-size:10px}.art-bottom{bottom:17px;left:18px}.art-caption{display:block}.focus-strip>.section-wrap{flex-direction:column;align-items:flex-start;padding-block:23px;gap:16px}.focus-strip p{font-size:11px}.focus-strip .section-wrap>div{font-size:11px;gap:20px}.section-space{padding-block:60px}.section-head{display:block;margin-bottom:28px}.section-head h2,.technology h2,.about h2{font-size:30px;line-height:1.45;margin-top:12px}.section-head>p{margin-top:18px;font-size:12px}.solution-grid{grid-template-columns:1fr;gap:15px}.solution-card{padding:25px}.card-top{margin-bottom:17px}.card-icon{width:43px;height:43px;font-size:25px}.solution-card h3{font-size:22px;margin-bottom:12px}.solution-card>p{min-height:0;font-size:12px}.tags{margin:18px 0 24px}.card-bottom{padding-top:16px}.technology{padding-block:50px}.tech-grid{grid-template-columns:1fr;gap:38px}.tech-desc{font-size:12px;margin:20px 0}.tech-flow{padding-left:28px;margin-left:10px}.flow-node:before{left:-38px}.flow-node h3{font-size:18px}.flow-node p{font-size:12px}.case-grid{grid-template-columns:1fr;gap:20px}.case-visual{height:175px}.case-body{padding:24px}.case-body h3{font-size:19px}.case-body>p:not(.eyebrow){font-size:12px}.about{padding-block:35px 50px}.about-grid{grid-template-columns:1fr;gap:25px}.about-grid>div p{font-size:12px}.about-values{font-size:11px;margin-top:25px;padding-top:22px}.about-values span+span{padding-left:12px}.cta{padding:30px 25px;display:block;margin-bottom:45px}.cta .eyebrow{font-size:9px;letter-spacing:1.2px}.cta h2{font-size:28px}.cta p:not(.eyebrow){font-size:11px}.cta>.button{margin-top:27px;font-size:13px;padding:14px 20px}.footer{grid-template-columns:1fr;gap:25px}.footer-links{gap:20px;flex-wrap:wrap;font-size:10px;padding-top:0}.footer-bottom{font-size:9px;gap:12px;flex-wrap:wrap}.footer-brand{font-size:21px}.footer-brand span{font-size:11px}.detail-page{padding-block:45px 65px}.detail-hero{grid-template-columns:1fr;gap:25px;margin-bottom:40px}.detail-page h1{font-size:37px}.detail-lead{font-size:15px}.detail-hero>img{max-height:280px;width:100%}.detail-columns{grid-template-columns:1fr;gap:25px}.detail-page h2{font-size:23px}.detail-page h3{font-size:18px}.detail-page article p{font-size:13px}.policy-page{padding-block:40px 70px}.policy-page h1{font-size:27px}.chat-layout{display:block;min-height:0}.sidebar{position:fixed;top:0;bottom:0;width:260px;transform:translateX(-100%);visibility:hidden;transition:transform .2s}.sidebar.open{transform:translateX(0);visibility:visible}.sidebar-overlay{position:fixed;inset:0;background:#162f4b50;width:100%;height:100%;z-index:9}.chat-header{height:63px;padding:0 18px;gap:8px}.sidebar-toggle{display:block;font-size:17px;color:#607b9d}.model-title{font-size:18px}.model-title>span{font-size:10px;margin-left:6px}.chat-welcome{margin-top:50px;margin-bottom:30px}.chat-welcome,.composer-wrap,.messages{width:calc(100% - 36px)}.twen-mark{width:55px;height:55px;font-size:38px;margin-bottom:23px}.chat-welcome h1{font-size:27px}.chat-welcome .eyebrow{font-size:8px;letter-spacing:1.8px}.welcome-sub{font-size:11px}.suggestion-grid{margin-top:30px;grid-template-columns:1fr;gap:10px}.suggestion-grid>button{padding:13px 15px}.suggestion-grid>button>span:first-child{font-size:17px}.suggestion-grid p{margin:6px 20px 0 26px;font-size:11px}.suggestion-arrow{position:absolute;right:15px;top:20px}.suggestion-grid b{font-size:11px}.composer-wrap{margin-bottom:12px}.composer{padding:13px 14px 10px;border-radius:12px}.composer textarea{font-size:13px;min-height:44px}.composer-toolbar{margin-top:0}.availability{font-size:10px;margin-block:5px 8px}.chat-disclaimer{font-size:9px;margin-top:8px}.messages{margin-top:20px}.message-body{font-size:13px}.message.user .message-body{max-width:92%}.modal{padding:29px 25px}.modal h2{font-size:22px}.modal p{font-size:11px}.chat-main{height:100dvh}.chat-scroll{scroll-behavior:auto}}
@media(prefers-reduced-motion:reduce){:root{scroll-behavior:auto}*,*:before,*:after{transition:none!important;scroll-behavior:auto!important}}