:root{--paper:#f8f7f1;--ink:#183a37;--muted:#566b66;--teal:#087f79;--teal-dark:#075f5b;--wash:#e4efea;--line:#d4dfd8;--white:#fff;--radius:24px;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none;color-scheme:light}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0}a{color:var(--teal-dark);text-underline-offset:4px}a:hover{color:var(--teal)}a:focus-visible,summary:focus-visible{outline:3px solid var(--teal);outline-offset:5px}img{display:block;max-width:100%;height:auto}button,a{-webkit-tap-highlight-color:transparent}p{line-height:1.7}h1,h2,h3,p,figure{margin-top:0}h1,h2,h3{font-weight:600}h1{font-size:clamp(42px,5.15vw,68px);line-height:1.07;letter-spacing:-.055em;margin-bottom:26px}h2{font-size:clamp(30px,3.2vw,43px);line-height:1.17;letter-spacing:-.04em;margin-bottom:20px}h3{font-size:21px;line-height:1.35;letter-spacing:-.02em}p{margin-bottom:20px}.wrap{width:min(1120px,calc(100% - 64px));margin:auto}.skip{position:absolute;top:-80px;left:20px;z-index:5;padding:12px 18px;background:white}.skip:focus{top:12px}.header{border-bottom:1px solid 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23px;border-radius:9px;background:var(--teal-dark);color:#fff;text-decoration:none;font-size:16px;font-weight:600;line-height:1.4;transition:background .15s,transform .15s}.button:hover{background:#044a47;color:#fff;transform:translateY(-1px)}.button svg{height:20px;width:20px;flex-shrink:0}.hero-note{font-size:13px;color:var(--muted);margin-top:14px;margin-bottom:0}.hero-art{position:relative;display:flex;justify-content:center;align-items:center;min-height:540px;background:var(--wash);border-radius:40% 40% 22px 22px;padding:34px 22px 0;overflow:hidden}.hero-art .phone{width:245px;flex-shrink:0;margin-bottom:-65px;border:7px solid #234c45;border-radius:37px;overflow:hidden;box-shadow:0 18px 30px #264b3826;background:var(--paper)}.hero-art .phone img{width:100%}.hero-art figcaption{position:absolute;bottom:19px;left:18px;right:18px;font-size:12px;line-height:1.5;text-align:center;background:#f8f7f1f5;padding:8px 12px;border-radius:8px;color:var(--muted)}.promise{display:flex;gap:24px;justify-content:space-between;padding:25px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);font-size:14px;color:var(--muted)}.promise span{display:flex;gap:10px;align-items:center}.check{width:17px;height:17px;flex-shrink:0;color:var(--teal)}.section{padding-block:90px}.intro{max-width:680px;margin-bottom:42px}.intro p{font-size:17px;color:var(--muted)}.modes{display:grid;grid-template-columns:repeat(3,1fr);gap:40px}.mode{border-top:2px solid var(--teal);padding-top:21px}.mode-number{color:var(--teal);font-size:13px;font-weight:600;letter-spacing:.04em;display:block;margin-bottom:22px}.mode p{font-size:15px;color:var(--muted);margin-bottom:0}.feature-band{background:var(--wash)}.feature-row{display:grid;grid-template-columns:.85fr 1.15fr;gap:100px;align-items:center;padding-block:70px}.feature-visual{width:100%;display:flex;justify-content:center}.screen{width:245px;border:1px solid #becfc5;border-radius:24px;overflow:hidden;box-shadow:0 14px 30px #224e3214;background:#fff}.feature-copy{max-width:490px}.feature-copy p{color:var(--muted);font-size:17px}.feature-list{list-style:none;padding:0;margin:27px 0 0}.feature-list li{border-top:1px solid #bfcfc5;padding:14px 0;font-size:15px;display:flex;gap:12px;align-items:center}.feature-list li:last-child{padding-bottom:0}.project-row{grid-template-columns:1.15fr .85fr;gap:100px}.project-row .feature-copy{order:0}.project-row .feature-visual{order:1}.section.pricing{padding-top:35px}.pricing-box{background:var(--ink);color:var(--paper);border-radius:var(--radius);padding:52px;display:grid;grid-template-columns:1.15fr .85fr;gap:64px}.pricing-box h2{max-width:430px}.pricing-box p{color:#c4d6ce;font-size:16px}.pricing-box .button{background:var(--paper);color:var(--ink)}.pricing-details{border-left:1px solid #53736a;padding-left:42px;align-self:center}.pricing-details h3{font-size:19px;margin-bottom:13px}.pricing-details p:last-child{margin-bottom:0}.pricing-footnote{font-size:13px!important}.faq{max-width:850px;margin:auto;padding-bottom:80px}.faq h2{margin-bottom:32px}.faq details{border-top:1px solid var(--line);padding:21px 0}.faq details:last-child{border-bottom:1px solid var(--line)}.faq summary{cursor:pointer;font-size:17px;font-weight:550;line-height:1.5;padding-right:20px}.faq details p{font-size:15px;color:var(--muted);max-width:720px;padding-top:15px;margin:0}.footer{border-top:1px solid var(--line);padding:30px 0}.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:25px;font-size:13px;color:var(--muted)}.footer-links{display:flex;gap:23px}.footer-links a{color:var(--muted)}.legal-shell{display:grid;grid-template-columns:190px minmax(0,750px);gap:60px;padding-block:58px 80px;align-items:start}.legal-nav{position:sticky;top:28px;display:flex;flex-direction:column;gap:8px}.legal-nav a{padding:11px 14px;text-decoration:none;font-size:14px;border-radius:7px;color:var(--muted)}.legal-nav a[aria-current=page]{background:var(--wash);color:var(--ink);font-weight:600}.prose h1{font-size:clamp(34px,4vw,48px);margin-bottom:26px}.prose h2{font-size:23px;letter-spacing:-.025em;margin:35px 0 15px;scroll-margin-top:30px}.prose p,.prose li{font-size:16px;line-height:1.8;color:#405852}.prose strong{color:var(--ink);font-weight:600}.prose ul{padding-left:23px}.prose li{padding-left:2px;margin-bottom:8px}.prose a{overflow-wrap:anywhere}.support-contact{background:var(--wash);padding:26px;border-radius:14px;margin-bottom:36px}.support-contact p{margin:0 0 14px}.support-contact .button{font-size:15px;min-height:46px;padding:11px 18px}.error-page{max-width:650px;padding-block:100px 130px}.error-page p{color:var(--muted);font-size:18px}html[lang=zh-CN] h1{line-height:1.2;letter-spacing:-.035em}html[lang=zh-CN] h2{line-height:1.35;letter-spacing:-.025em}html[lang=zh-CN] .hero .lead{line-height:1.9}
@media(min-width:1250px){.hero-art{min-height:590px}.hero-art .phone{width:262px;margin-bottom:-50px}}
@media(max-width:900px){.wrap{width:calc(100% - 42px)}.hero{gap:32px;padding-block:48px}.hero-art{min-height:460px;padding:30px 16px 0}.hero-art .phone{width:220px;margin-bottom:-95px}.hero .lead{font-size:17px}.promise{gap:16px;font-size:12px}.feature-row,.project-row{gap:50px}.modes{gap:24px}.pricing-box{padding:35px;gap:32px}.pricing-details{padding-left:28px}.legal-shell{grid-template-columns:150px minmax(0,1fr);gap:25px}.nav-links{gap:19px}.nav-links .language{padding-left:19px}}
@media(max-width:620px){.wrap{width:calc(100% - 40px)}.nav{min-height:78px;gap:14px}.brand{font-size:20px;gap:8px}.brand img{width:33px;height:33px;border-radius:8px}.nav-links{gap:16px}.nav-links .nav-features,.nav-links .nav-download{display:none}.nav-links .language{padding-left:15px}.nav-links a{font-size:13px}.hero{grid-template-columns:1fr;gap:30px;padding-block:43px 36px}.hero-copy{padding:0}.hero h1{font-size:48px;max-width:430px;margin-bottom:23px}.hero .lead{font-size:17px;line-height:1.7;max-width:400px;margin-bottom:25px}.hero-art{min-height:460px;border-radius:35% 35% 20px 20px;width:100%;max-width:420px;justify-self:center;padding-top:26px}.hero-art .phone{width:240px;margin-bottom:-95px}.hero-note{font-size:12px}.promise{justify-content:space-around;flex-wrap:wrap;column-gap:15px;row-gap:13px;padding-block:22px}.promise span{font-size:12px;gap:7px}.promise span:last-child{width:100%;justify-content:center}.section{padding-block:58px}.intro{margin-bottom:30px}.intro p{font-size:16px}.modes{grid-template-columns:1fr;gap:29px}.mode{display:grid;grid-template-columns:36px 1fr;column-gap:13px;padding-top:19px}.mode-number{grid-row:1/3;margin-top:5px;margin-bottom:0}.mode h3{font-size:20px;margin-bottom:10px}.mode p{grid-column:2;font-size:15px}.feature-row,.project-row{grid-template-columns:1fr;gap:30px;padding-block:50px}.feature-copy,.project-row .feature-copy{order:0}.feature-visual,.project-row .feature-visual{order:1}.feature-copy p{font-size:16px}.screen{width:230px}.feature-list{margin-top:20px}.feature-list li{font-size:14px}.pricing-box{grid-template-columns:1fr;gap:34px;padding:29px 25px;border-radius:18px}.pricing-details{padding:27px 0 0;border-left:0;border-top:1px solid #53736a}.pricing-box h2{font-size:32px}.pricing-box p{font-size:15px}.section.pricing{padding-top:0}.faq{padding-bottom:58px}.faq summary{font-size:16px}.footer-inner{align-items:flex-start;flex-direction:column;gap:19px}.footer-links{gap:24px}.legal-shell{display:block;padding-top:23px}.legal-nav{position:static;flex-direction:row;flex-wrap:wrap;gap:5px;border-bottom:1px solid var(--line);padding-bottom:18px;margin-bottom:32px}.legal-nav a{padding:9px 12px}.prose h1{font-size:35px;line-height:1.2}.prose h2{font-size:22px}.prose p,.prose li{font-size:15px}.support-contact{padding:22px}.error-page{padding-block:70px 90px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.button{transition:none}.button:hover{transform:none}}