@charset "UTF-8";
:root{--paper:#f7f9f5;--ink:#153f43;--muted:#607575;--teal:#147c75;--line:#dce5df;--white:#fff;--mint:#dff3e9;--ease:cubic-bezier(.2,.7,.2,1)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:30px}body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Helvetica,Arial,"PingFang SC","Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased;font-size:16px;line-height:1.6}button,a{-webkit-tap-highlight-color:transparent}a{color:inherit;text-decoration:none}button{font:inherit;color:inherit;cursor:pointer}button:disabled{cursor:default}button,a,summary{touch-action:manipulation}:focus-visible{outline:3px solid #126d86;outline-offset:6px}button:focus-visible{outline-offset:3px}img,svg{display:block}img{max-width:100%;height:auto}button{border:0}p,h1,h2,h3,h4{margin:0}button[hidden],[hidden]{display:none!important}::selection{background:#c0e4d9;color:var(--ink)}.wrap{width:min(1180px,calc(100% - 96px));margin-inline:auto}.icon{width:24px;height:24px;flex-shrink:0}.skip-link{position:absolute;left:20px;top:-100px;z-index:9;padding:12px;background:var(--ink);color:white;border-radius:8px}.skip-link:focus{top:12px}
.site-header{height:110px;display:flex;align-items:center;justify-content:space-between;gap:24px;border-bottom:1px solid var(--line)}.brand{display:inline-flex;align-items:center;gap:11px;font-size:20px;font-weight:650;letter-spacing:-.65px;white-space:nowrap}.brand img{border-radius:11px}.nav{display:flex;gap:32px;font-size:14px;font-weight:550;margin-left:auto;margin-right:24px}.nav a,.language-link{transition:color .2s}.nav a:hover,.language-link:hover{color:var(--teal)}.header-actions{display:flex;align-items:center;gap:27px}.language-link{display:flex;align-items:center;gap:7px;font-size:13px;white-space:nowrap}.language-link .icon{width:17px;height:17px}.header-support{display:flex;align-items:center;gap:9px;font-size:13px;padding:10px 17px;border:1px solid #c8d9d1;border-radius:7px;background:#eff5ef}.header-support .icon{width:16px;height:16px}
.hero{display:grid;grid-template-columns:1.15fr 1fr;gap:50px;min-height:687px;align-items:center;padding-block:73px 68px}.eyebrow{font-size:10px;font-weight:650;letter-spacing:2px;line-height:1.6;color:var(--teal);text-transform:uppercase}.hero .eyebrow{display:flex;align-items:center;gap:10px;margin-bottom:29px}.eyebrow>span{width:6px;height:6px;border-radius:50%;background:#25867a}.hero h1{font-size:clamp(52px,6.4vw,88px);line-height:1.065;letter-spacing:-3.8px;font-weight:500;margin-left:-4px}.hero h1 em{font-style:normal;color:var(--teal)}.hero-intro{max-width:430px;font-size:17px;line-height:1.85;color:var(--muted);margin-top:28px}.button{display:inline-flex;justify-content:center;align-items:center;gap:23px;padding:17px 23px;min-height:56px;border-radius:8px;font-size:14px;font-weight:560;transition:transform .2s var(--ease),background .2s,color .2s}.button:hover{transform:translateY(-2px)}.button .icon{width:19px;height:19px}.primary{background:var(--ink);color:#fff;box-shadow:0 4px 10px #153f4310}.primary:hover{background:var(--teal)}.hero .button{margin-top:31px}.platform{font-size:11px;color:var(--muted);margin-top:17px}.hero-art{position:relative;max-width:445px;margin:0 6px 0 auto;width:100%;padding-top:25px}.halo{position:absolute;inset:7% -8% 8%;background:radial-gradient(ellipse,#c5ead880,transparent 68%);filter:blur(25px);z-index:-1}.hero-logo{width:100%;border-radius:26%;box-shadow:0 40px 65px -40px #164f6370;transform:rotate(-5deg);animation:float 8s ease-in-out infinite;aspect-ratio:1}.hero-art-label{position:absolute;z-index:1;right:-12px;top:0;display:flex;align-items:center;gap:8px;border:1px solid #fff;background:#f7faf3ed;border-radius:6px;padding:12px 17px;font-size:11px;box-shadow:0 8px 25px #1d59470b;transform:rotate(3deg)}.hero-art-label .icon{color:#318a79;width:18px;height:18px}.hero-caption{display:flex;align-items:center;gap:15px;font-size:10px;letter-spacing:.2px;color:var(--muted);margin-top:32px;white-space:nowrap}.tiny-star{color:#488d7d;font-size:20px}.hairline{height:1px;background:#c1d6ca;flex:1}.feature-strip{display:flex;justify-content:space-between;gap:20px;border-block:1px solid var(--line);padding:25px 38px}.feature-strip>span{display:flex;align-items:center;gap:10px;font-size:12px;color:#50706c}.feature-strip .icon{width:19px;height:19px;color:#72968b}
.section{padding-block:104px}h2{font-weight:500;font-size:clamp(32px,4.1vw,52px);line-height:1.18;letter-spacing:-2.2px}.section .eyebrow{margin-bottom:19px}.section-intro{display:grid;grid-template-columns:1fr .75fr;gap:80px;align-items:end;margin-bottom:43px}.section-description{font-size:15px;color:var(--muted);line-height:1.85;max-width:365px;margin-bottom:5px}.feature-showcase{display:grid;grid-template-columns:310px 1fr;border:1px solid var(--line);border-radius:20px;overflow:hidden;background:#fff}.category-controls{padding:33px 25px;border-right:1px solid var(--line);display:flex;flex-direction:column;gap:9px}.category-button{display:flex;align-items:center;gap:12px;padding:15px 12px;border-radius:9px;background:none;font-size:14px;text-align:left;transition:background .2s;min-height:60px}.category-button>.icon{margin-left:auto;width:17px;height:17px;opacity:0;transform:translateX(-5px);transition:.2s}.category-button:hover{background:#f4f8f3}.category-button.active{background:#edf6ef;font-weight:600}.category-button.active>.icon{opacity:1;transform:none}.category-icon .icon{width:23px;height:23px;color:#458575}.device-note{font-size:11px;line-height:1.8;color:var(--muted);padding:13px 13px 0;display:flex;gap:9px;align-items:flex-start;margin-top:auto}.device-note .icon{width:16px;height:16px;margin-top:3px}.category-panels{background:#f0f5ef;min-width:0}.category-panel{display:flex;align-items:center;gap:34px;padding:32px 32px 32px 18px;min-height:322px;animation:appear .35s var(--ease)}.category-visual{width:235px;flex-shrink:0;height:242px;position:relative;display:grid;place-items:center}.tile{width:144px;height:184px;position:absolute;border-radius:16px;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:25px}.tile .icon{width:48px;height:48px;stroke-width:.9}.tile span{font-size:10px;letter-spacing:.5px}.tile-back{background:#d1e1d4;border:1px solid #bccfbc;transform:translate(-20px,0) rotate(-13deg);color:#a3bcb0}.tile-front{background:linear-gradient(135deg,#fcfff7,#d9eee1);border:1px solid #fff;box-shadow:0 17px 35px -18px #37684a55;transform:translate(12px,-2px) rotate(6deg);color:#39796a}.visual-check{position:absolute;right:19px;bottom:31px;display:grid;place-items:center;color:white;background:#258578;border:4px solid #f0f5ef;width:46px;height:46px;border-radius:50%}.panel-copy{max-width:300px}.small-label{font-size:9px;letter-spacing:1.5px;text-transform:uppercase;color:var(--muted)}.panel-copy h3{font-weight:550;font-size:24px;line-height:1.3;letter-spacing:-.7px;margin:13px 0}.panel-copy>p:not(.small-label){font-size:13px;line-height:1.8;color:var(--muted)}.panel-tag{display:inline-block;margin-top:24px;font-size:10px;color:#367b69}.panel-1{background:#f0f5fa}.panel-1 .tile-back{background:#cad9e8;border-color:#bacdde}.panel-1 .tile-front{background:linear-gradient(130deg,#f7fbff,#dceafa);color:#476e94}.panel-1 .visual-check{border-color:#f0f5fa}.panel-2{background:#f7f4ec}.panel-2 .tile-back{background:#e6dac4;border-color:#d6c8ac}.panel-2 .tile-front{background:linear-gradient(130deg,#fffdf6,#efe2cc);color:#8a744b}.panel-2 .visual-check{border-color:#f7f4ec}.steps-heading{font-size:15px;font-weight:550;margin-top:38px}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:37px;margin-top:23px}.steps article{display:flex;gap:16px}.step-number{font-size:11px;color:#679489;font-weight:600;padding-top:3px}.steps h4{font-size:14px;font-weight:600;margin-bottom:5px}.steps p{font-size:12px;line-height:1.8;color:var(--muted);max-width:265px}
.gmail-section{background:#163f42;color:#f3f8ef;overflow:hidden}.gmail-grid{display:grid;grid-template-columns:1fr .9fr;gap:90px;align-items:center;padding-block:90px}.gmail-copy .eyebrow{color:#9acdbb;margin-bottom:24px}.gmail-copy h2{font-size:44px;letter-spacing:-1.8px}.gmail-intro{font-size:15px;line-height:1.9;color:#c0d2cf;max-width:440px;margin-top:25px}.check-list{padding:0;list-style:none;display:grid;gap:17px;margin:28px 0}.check-list li{display:flex;gap:12px;font-size:12px;line-height:1.8;color:#d4e1d9}.check-list .icon{width:16px;height:16px;color:#90ceac;margin-top:3px}.text-link{display:inline-flex;align-items:center;gap:14px;font-size:13px;font-weight:550;border-bottom:1px solid #9ac6b760;padding-bottom:5px}.text-link .icon{width:17px;height:17px;transition:transform .2s}.text-link:hover .icon{transform:translateX(4px)}.gmail-note{color:#a6c2b9;font-size:10px;line-height:1.8;margin-top:21px;max-width:375px}.mail-illustration{background:#f7faf4;color:var(--ink);border:1px solid #fff;border-radius:18px;box-shadow:0 28px 70px #07272850;padding:31px 25px 16px;transform:rotate(2deg)}.mail-top{display:flex;justify-content:space-between;align-items:center}.mail-top>span:first-child{width:39px;height:39px;border-radius:11px;background:#e3f1e5;display:grid;place-items:center;color:#398876}.mail-top .small-label{color:#4c7b70;font-size:8px;letter-spacing:1.2px}.mail-illustration h3{font-weight:550;font-size:25px;letter-spacing:-.8px;margin:24px 0}.mail-rows{display:grid;gap:10px}.mail-row{border:1px solid #e5ece2;display:flex;align-items:center;gap:13px;background:white;padding:14px 13px;border-radius:10px}.mail-row-icon{width:36px;height:38px;border-radius:7px;background:#f7eee0;color:#9a835d;display:grid;place-items:center}.mail-row:nth-child(2) .mail-row-icon{background:#e9edf9;color:#6578a1}.mail-row:nth-child(3) .mail-row-icon{background:#e8f3ea;color:#608569}.mail-row-icon .icon{width:19px;height:19px}.mail-row strong{font-size:12px;font-weight:550}.mail-row p{font-size:9px;line-height:1.5;color:var(--muted);margin-top:3px}.mail-check{border:1px solid #d8e5d8;border-radius:50%;width:20px;height:20px;margin-left:auto;display:grid;place-items:center}.mail-check .icon{width:12px;height:12px;color:#469379}.mail-bottom{display:flex;align-items:center;justify-content:center;gap:7px;color:#567b6e;font-size:10px;margin:21px 0 8px}.mail-bottom .icon{width:14px;height:14px}.mail-illustration-note{font-size:8px;letter-spacing:1px;text-transform:uppercase;text-align:center;color:#6e8178}
.tools-section h2{font-size:41px}.tools-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:55px;margin-top:46px}.tools-grid article{padding:0 26px 0 0;border-right:1px solid var(--line)}.tools-grid article:last-child{border:0}.tool-icon{width:46px;height:46px;background:#e9f1e6;border:1px solid #dce8d8;border-radius:11px;display:grid;place-items:center;color:#598275;margin-bottom:22px}.tools-grid h3{font-size:18px;letter-spacing:-.45px;font-weight:550;margin-bottom:10px}.tools-grid p{font-size:13px;color:var(--muted);line-height:1.9;max-width:285px}.privacy-section{background:#e9f1e6;border-radius:22px;text-align:center;padding:63px 62px}.privacy-title .eyebrow{margin-block:20px 14px}.privacy-emblem{display:grid;place-items:center;width:54px;height:54px;background:#d8e9d4;border:1px solid #c8ddc3;border-radius:50%;margin:auto;color:#3c7c62}.privacy-emblem .icon{width:25px;height:25px}.privacy-section h2{font-size:40px;letter-spacing:-1.6px}.privacy-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:36px;text-align:left;margin-top:46px}.privacy-grid h3{font-weight:600;font-size:13px;margin-bottom:9px}.privacy-grid p{font-size:12px;line-height:1.9;color:#59736b}.privacy-section .text-link{margin-top:35px;color:#2e7561}.faq-section{display:grid;grid-template-columns:.75fr 1fr;gap:80px}.faq-section h2{font-size:40px;max-width:330px}.faqs{border-top:1px solid var(--line)}details{border-bottom:1px solid var(--line)}summary{list-style:none;display:flex;justify-content:space-between;gap:22px;cursor:pointer;padding-block:24px;font-size:14px;font-weight:550;line-height:1.6}summary::-webkit-details-marker{display:none}summary>span{font-size:22px;line-height:1;font-weight:300;color:#629387;transition:transform .2s}details[open] summary>span{transform:rotate(45deg)}details p{font-size:13px;color:var(--muted);line-height:1.9;padding:0 28px 23px 0}.support-section{border-top:1px solid var(--line);padding:56px 0 65px;display:flex;justify-content:space-between;gap:35px;align-items:center}.support-section .eyebrow{margin-bottom:15px}.support-section h2{font-size:35px;letter-spacing:-1.3px}.support-section p:not(.eyebrow){font-size:13px;color:var(--muted);margin-top:15px}.support-email{display:inline-block;color:var(--teal);font-size:13px;margin-top:8px;text-decoration:underline;text-underline-offset:4px}.support-section .button{flex-shrink:0}.site-footer{border-top:1px solid var(--line);padding:39px 0 25px}.footer-top{display:flex;justify-content:space-between;gap:36px}.footer-top .brand{font-size:18px}.footer-top p{font-size:11px;color:var(--muted);margin-top:11px}.footer-links{display:flex;gap:27px;font-size:12px;align-items:flex-start;padding-top:10px;flex-wrap:wrap}.footer-links a:hover{text-decoration:underline;text-underline-offset:4px}.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:25px;margin-top:43px}.footer-bottom small{font-size:10px;color:var(--muted)}.motion-toggle{display:flex;gap:6px;align-items:center;font-size:10px;background:none;padding:8px 0;min-height:32px;color:var(--muted)}.motion-toggle .icon{width:12px;height:12px}
.legal-hero{padding-block:42px 56px;border-bottom:1px solid var(--line)}.back-link{font-size:12px;color:var(--muted);display:inline-block;margin-bottom:55px}.legal-hero .eyebrow{margin-bottom:19px}.legal-hero h1{font-size:60px;line-height:1.15;font-weight:500;letter-spacing:-2.8px}.legal-intro{color:var(--muted);font-size:16px;line-height:1.8;max-width:620px;margin-top:22px}.legal-date{font-size:11px;letter-spacing:.3px;color:var(--teal);margin-top:24px}.legal-grid{display:grid;grid-template-columns:230px 1fr;gap:86px;padding-block:58px 85px;align-items:start}.legal-nav{position:sticky;top:30px}.legal-nav>p{font-size:10px;text-transform:uppercase;letter-spacing:1.5px;color:var(--muted);margin-bottom:17px}.legal-nav nav{display:flex;flex-direction:column;gap:13px}.legal-nav a{font-size:12px;line-height:1.6;color:var(--muted)}.legal-nav a:hover{color:var(--teal)}.legal-content{max-width:750px;min-width:0}.legal-content section{scroll-margin-top:30px;margin-bottom:42px}.legal-content h2{font-size:23px;line-height:1.4;letter-spacing:-.5px;display:flex;gap:13px;align-items:baseline;margin-bottom:17px}.legal-content h2 span{color:#7b9e8e;font-size:11px;letter-spacing:0}.legal-content p{font-size:14px;line-height:1.95;color:#4c6462;margin-bottom:14px}.legal-content a{color:var(--teal);text-decoration:underline;text-underline-offset:3px;overflow-wrap:anywhere}.legal-content code{font-family:ui-monospace,monospace;font-size:12px;overflow-wrap:anywhere;background:#e9f0e6;border-radius:3px;padding:2px 4px}.legal-contact{padding:24px;background:#e9f1e6;border-radius:10px;display:flex;gap:14px;align-items:center;font-size:14px}.error-page{padding-block:100px 140px}.error-page h1{font-size:52px;line-height:1.2;letter-spacing:-2px;font-weight:500;max-width:700px;margin:24px 0}.error-page p{color:var(--muted);max-width:560px}.error-page .button{margin:30px 20px 0 0}
html[lang="zh-CN"] .hero h1{font-size:clamp(48px,5.3vw,72px);line-height:1.3;letter-spacing:-2px;font-weight:520}html[lang="zh-CN"] .hero-intro{max-width:390px;font-size:16px;line-height:2}html[lang="zh-CN"] .eyebrow{letter-spacing:2.5px}html[lang="zh-CN"] h2{letter-spacing:-1px;line-height:1.4}html[lang="zh-CN"] .panel-copy h3{font-size:21px}html[lang="zh-CN"] .brand{letter-spacing:1px}html[lang="zh-CN"] .gmail-copy h2{font-size:39px}html[lang="zh-CN"] .legal-content p{line-height:2.1}
@keyframes float{0%,100%{transform:translateY(0) rotate(-5deg)}50%{transform:translateY(-10px) rotate(-3deg)}}@keyframes appear{from{opacity:.55;transform:translateY(4px)}to{opacity:1;transform:none}}.motion-paused *,.motion-paused *:before,.motion-paused *:after{animation:none!important;transition:none!important}.motion-paused{scroll-behavior:auto}.motion-paused .hero-logo{transform:rotate(-5deg)}
@media(min-width:1450px){.hero{padding-block:88px 86px;min-height:725px}}
@media(max-width:1100px){.wrap{width:calc(100% - 64px)}.nav{gap:20px;margin-right:4px}.header-actions{gap:19px}.hero{gap:38px;min-height:625px}.hero h1{letter-spacing:-4px}.hero-art{max-width:380px}.feature-showcase{grid-template-columns:270px 1fr}.category-controls{padding:27px 18px}.category-panel{gap:12px;padding-right:25px}.category-visual{width:195px}.tile{width:123px;height:165px}.visual-check{right:5px;bottom:40px}.gmail-grid{gap:52px}.gmail-copy h2{font-size:39px}.tools-grid{gap:32px}.footer-links{gap:20px}.legal-grid{gap:50px}}
@media(max-width:900px){.header-support{display:none}.site-header{height:94px}.nav{margin-left:auto;margin-right:0;font-size:13px;gap:22px}.brand{font-size:18px}.hero{padding-block:65px 59px;min-height:580px;gap:25px}.hero h1{font-size:59px;letter-spacing:-3.8px}.hero-intro{font-size:15px;line-height:1.9}.hero-art{padding-top:30px}.hero-art-label{font-size:9px;padding:9px 12px;right:-4px}.hero-caption{font-size:9px;gap:10px}.section{padding-block:78px}.feature-strip{padding:22px 0;gap:14px}.feature-strip>span{font-size:11px;gap:8px}.section-intro{gap:40px;grid-template-columns:1fr .8fr}.feature-showcase{grid-template-columns:1fr}.category-controls{flex-direction:row;flex-wrap:wrap;border-right:0;border-bottom:1px solid var(--line);padding:15px 19px;gap:12px}.category-button{flex:1;justify-content:center;padding:12px 9px;gap:8px;min-height:48px;white-space:nowrap;font-size:12px}.category-button>.icon{display:none}.device-note{padding:0 5px 4px;width:100%;font-size:10px;align-items:center;justify-content:center}.device-note .icon{margin:0}.category-panel{justify-content:center;gap:34px;min-height:278px;padding:15px 26px}.category-visual{width:230px}.tile{width:139px;height:180px}.visual-check{right:14px;bottom:34px}.panel-copy{max-width:345px}.steps{gap:20px}.gmail-grid{gap:38px;grid-template-columns:1fr 1fr;padding-block:70px}.gmail-copy h2{font-size:34px}.gmail-intro{font-size:13px}.mail-illustration{padding:23px 15px 13px}.mail-illustration h3{font-size:23px}.mail-row{gap:9px;padding:11px 9px}.mail-row-icon{width:28px;flex-shrink:0}.mail-check{width:18px;flex-shrink:0}.mail-row p{font-size:8px}.mail-top .small-label{font-size:7px}.privacy-section{padding:50px 38px}.privacy-section h2{font-size:35px}.privacy-grid{gap:25px}.faq-section{gap:38px;grid-template-columns:.7fr 1fr}.faq-section h2{font-size:33px}.support-section h2{font-size:31px}.footer-top{gap:20px}.footer-links{max-width:340px;gap:15px 23px;font-size:11px}.legal-grid{grid-template-columns:180px 1fr;gap:35px}.legal-content h2{font-size:21px}html[lang="zh-CN"] .hero h1{font-size:51px}html[lang="zh-CN"] .gmail-copy h2{font-size:32px}}
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@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}}