@font-face{font-family:MzhxDisplay;src:url('./assets/fonts/brand-display.woff') format('woff');font-weight:700;font-style:normal;font-display:swap}
:root{color-scheme:light;--blue:#2563eb;--blue-dark:#1d4ed8;--ink:#172b45;--muted:#526174;--subtle:#66758a;--page:#fff;--soft:#f5f7fb;--blue-soft:#eaf2ff;--line:#e8edf4;--panel:#fff;--hero-back:#eaf2ff;--radius:24px}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:100px}
body{margin:0;background:var(--page);color:var(--ink);font-family:'PingFang SC','Microsoft YaHei',sans-serif;font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased}
button,a{-webkit-tap-highlight-color:transparent}
a{color:inherit;text-decoration:none}
button{font:inherit}
button:not(:disabled),summary{cursor:pointer}
button{color:inherit}
img{display:block;max-width:100%;height:auto}
h1,h2,h3,p,figure{margin:0}
h1,h2,h3,.brand{font-family:MzhxDisplay,'PingFang SC','Microsoft YaHei',sans-serif;font-weight:700}
h1,h2,h3{line-height:1.35;letter-spacing:-.025em}
[hidden]{display:none!important}
:focus-visible{outline:3px solid var(--blue);outline-offset:5px}
section[id]{scroll-margin-top:20px}
.shell{width:min(1160px,calc(100% - 80px));margin-inline:auto}
.skip-link{position:fixed;top:12px;left:12px;z-index:40;padding:10px 16px;background:var(--page);color:var(--blue);border:2px solid;transform:translateY(-180%)}
.skip-link:focus{transform:translateY(0)}
.site-header{position:sticky;top:0;z-index:20;background:var(--page);border-bottom:1px solid var(--line)}
.header-inner{height:84px;display:flex;align-items:center;gap:40px}
.brand{display:inline-flex;align-items:center;gap:10px;white-space:nowrap;font-size:23px;letter-spacing:-.04em;flex-shrink:0}
.brand img{flex-shrink:0}
.main-nav{display:flex;gap:30px;margin-left:auto;font-size:14px}
.main-nav a{padding-block:12px;color:var(--muted);white-space:nowrap}
.main-nav a:hover,.text-link:hover,.footer-top:hover{color:var(--blue-dark)}
.header-download{padding:8px 18px;border:1px solid var(--line);border-radius:10px;font-size:14px;white-space:nowrap}
.header-download:hover{border-color:var(--blue);color:var(--blue)}
.header-download span{margin-left:8px}
.nav-toggle{display:none;border:1px solid var(--line);background:var(--panel);border-radius:8px;padding:5px 12px;font-size:14px}
.hero{display:grid;grid-template-columns:1.12fr 1fr;gap:40px;align-items:center;min-height:700px;padding-block:62px 56px}
.eyebrow{color:var(--blue);font-size:14px;font-weight:700;letter-spacing:.06em;margin-bottom:22px}
h1{font-size:clamp(38px,4.1vw,54px);line-height:1.32;letter-spacing:-.055em}
h1 span{display:block}
h1 span:last-child{color:var(--blue)}
.hero-description{max-width:465px;margin-top:26px;color:var(--muted);font-size:17px;line-height:1.9}
.hero-actions{display:flex;align-items:center;gap:14px;margin-top:36px;flex-wrap:wrap}
.button{display:inline-flex;align-items:center;justify-content:center;gap:16px;min-height:50px;padding:12px 22px;border:1px solid transparent;border-radius:10px;font-weight:700;font-size:14px;line-height:1.6;white-space:nowrap;transition:background-color .18s,transform .18s,border-color .18s}
.button-primary{background:var(--blue);color:#fff}
.button-primary[href]:hover{background:var(--blue-dark);transform:translateY(-2px)}
.button-secondary{background:var(--panel);border-color:var(--line);color:var(--ink)}
.button-secondary[href]:hover{border-color:var(--blue);color:var(--blue)}
.button small{font-size:11px;font-weight:400;letter-spacing:0}
.button[aria-disabled=true]{cursor:default;color:var(--muted);background:var(--soft);border-color:var(--line)}
.hero-visual{position:relative;height:580px;isolation:isolate;margin-left:10px}
.hero-visual:before{content:'';position:absolute;inset:55px -8px 45px 35px;background:var(--hero-back);border-radius:50px;transform:rotate(-8deg);z-index:-1}
.screen{position:absolute;overflow:hidden;background:#fff;border:7px solid #fff;border-radius:27px;box-shadow:0 24px 64px #172b4524,0 2px 8px #172b4510}
.screen-back{width:218px;left:0;top:72px;transform:rotate(-8deg)}
.screen-front{width:250px;right:13px;top:10px;transform:rotate(5deg)}
.hero-visual figcaption{position:absolute;bottom:-8px;right:40px;color:var(--subtle);font-size:12px}
.principles{display:grid;grid-template-columns:repeat(3,1fr);gap:36px;padding-block:28px 32px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.principles strong{font-size:16px}
.principles p{margin-top:5px;color:var(--muted);font-size:14px}
.section{padding-block:100px}
.section-heading{margin-bottom:34px}
.section-heading h2{font-size:34px;line-height:1.45}
.section-heading h2 span{color:var(--blue)}
.section-heading>p{margin-top:12px;color:var(--muted);font-size:15px}
.product-tabs{display:flex;gap:8px;margin-bottom:20px;border-bottom:1px solid var(--line);padding-bottom:12px}
.product-tabs button{font-size:15px;padding:12px 22px;border:1px solid transparent;border-radius:10px;background:none;font-weight:700;line-height:1.5;white-space:nowrap}
.product-tabs button[aria-selected=true]{color:var(--blue);background:var(--blue-soft)}
.product-tabs button:hover{border-color:var(--line)}
.product-panel{display:grid;grid-template-columns:1.1fr 1fr;gap:40px;background:var(--soft);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;min-height:542px}
.product-copy{padding:56px 0 46px 54px;align-self:center}
.product-category{font-size:13px;color:var(--blue);margin-bottom:14px;font-weight:700}
.product-copy h3{font-size:30px;line-height:1.5}
.product-copy>p:not(.product-category){font-size:15px;color:var(--muted);margin-top:18px;max-width:380px}
.product-points{list-style:none;padding:0;margin:26px 0;display:grid;gap:12px;font-size:14px;color:var(--muted)}
.product-points li{padding-left:15px;border-left:2px solid var(--blue)}
.text-link{display:inline-flex;gap:12px;color:var(--blue);font-size:14px;font-weight:700}
.product-media{position:relative;display:flex;justify-content:center;padding:34px 26px 45px;background:var(--blue-soft);overflow:hidden;align-items:flex-start}
.product-media img{width:224px;height:auto;border:6px solid #fff;border-radius:20px;box-shadow:0 18px 40px #172b4518}
.product-media figcaption{position:absolute;bottom:14px;font-size:11px;color:var(--muted)}
.plus-media{background:#e5f6f7}
.company-media{background:#fff1e5}
.plus-panel .product-category{color:#087f8c}
.company-panel .product-category{color:#b45309}
.how-section{background:var(--soft);padding-block:72px}
.steps{list-style:none;padding:0;margin:44px 0 0;display:grid;grid-template-columns:repeat(3,1fr);gap:48px}
.step-number{display:inline-grid;place-items:center;width:36px;height:36px;border:1px solid var(--line);border-radius:50%;color:var(--blue);background:var(--panel);font-size:15px;font-weight:700;margin-bottom:18px}
.steps h3{font-size:18px}
.steps p{margin-top:12px;font-size:14px;color:var(--muted);max-width:290px}
.partner-panel{display:grid;grid-template-columns:1.1fr 1fr;gap:80px;padding:60px;background:var(--blue-soft);border-radius:var(--radius)}
.partner-copy h2{font-size:34px;line-height:1.5}
.partner-copy>p:not(.eyebrow){font-size:15px;color:var(--muted);margin-top:20px}
.partner-copy .button{margin-top:28px}
.partner-panel .button[aria-disabled=true]{background:var(--panel)}
.partner-notes{display:grid;gap:30px;align-content:center}
.partner-notes>div{border-left:2px solid #a9c4fc;padding-left:24px}
.partner-notes span{font-weight:700;font-size:17px}
.partner-notes p{color:var(--muted);font-size:14px;margin-top:8px}
.faq-section{padding-top:0;display:grid;grid-template-columns:.8fr 1.2fr;gap:80px}
.faq-list{border-top:1px solid var(--line)}
details{border-bottom:1px solid var(--line)}
summary{position:relative;padding:22px 38px 22px 0;list-style:none;font-weight:700;font-size:15px;line-height:1.8}
summary::-webkit-details-marker{display:none}
summary:after{content:'+';position:absolute;right:3px;top:18px;font-size:24px;font-weight:400;color:var(--subtle)}
details[open] summary:after{content:'−'}
details>p{color:var(--muted);font-size:14px;line-height:1.9;padding:0 25px 24px 0}
.download-section{padding-block:42px;background:var(--soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.download-inner{display:flex;gap:30px;justify-content:space-between;align-items:center}
.download-copy{display:flex;align-items:center;gap:20px}
.download-copy h2{font-size:24px}
.download-copy p{font-size:14px;color:var(--muted);margin-top:8px}
.download-actions{display:flex;gap:12px}
.download-actions .button{flex-direction:column;gap:1px;min-width:138px;padding:10px 20px}
.site-footer{padding-block:40px 24px}
.footer-main{display:flex;align-items:center;gap:28px;padding-bottom:32px}
.footer-main .brand{font-size:20px}
.footer-main>p{color:var(--subtle);font-size:13px}
.footer-top{margin-left:auto;font-size:13px;color:var(--muted)}
.footer-bottom{padding-top:20px;border-top:1px solid var(--line);display:flex;align-items:center;flex-wrap:wrap;gap:10px 28px;color:var(--subtle);font-size:12px}
.footer-bottom>span{margin-left:auto}
.footer-legal{display:flex;flex-wrap:wrap;gap:14px;width:100%}
.footer-legal a:hover{color:var(--blue)}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.button{transition:none}.button-primary[href]:hover{transform:none}}
@media(prefers-color-scheme:dark){:root{color-scheme:dark;--ink:#e7eef9;--muted:#b8c6d9;--subtle:#a4b4cc;--page:#0f1b2e;--soft:#15243a;--blue:#8ab5ff;--blue-dark:#a9c9ff;--blue-soft:#1b3152;--line:#2b3d57;--panel:#192b44;--hero-back:#1a3358}.button-primary{background:#2563eb;color:#fff}.button-primary[href]:hover{background:#1d4ed8}.plus-media{background:#17383e}.company-media{background:#3b3029}.plus-panel .product-category{color:#78d1d8}.company-panel .product-category{color:#efb779}.screen,.product-media img{border-color:#edf2f9}.partner-notes>div{border-color:#58759f}}
@media(min-width:1450px){.hero{gap:70px}}
@media(max-width:1050px){.shell{width:calc(100% - 48px)}.header-inner{gap:24px}.main-nav{gap:20px}.hero{grid-template-columns:1fr 1fr;gap:20px;min-height:650px}.hero-visual{height:530px}.screen-front{width:215px;right:0;top:28px}.screen-back{width:185px;top:108px;left:-4px}.hero-description{font-size:16px}.hero-actions{gap:10px}.button{padding-inline:18px}.product-copy{padding-left:36px}.partner-panel{padding:42px;gap:42px}.faq-section{gap:44px}.download-inner{align-items:flex-start}.download-actions{flex-direction:column}.download-actions .button{flex-direction:row;gap:12px}}
@media(max-width:760px){html{scroll-padding-top:85px}.shell{width:calc(100% - 40px)}.header-inner{height:72px;gap:14px;flex-wrap:wrap}.brand{font-size:20px;gap:7px}.brand img{width:38px;height:38px}.header-download{font-size:12px;padding:6px 10px;margin-left:auto}.nav-toggle{display:block;order:3}.main-nav{position:absolute;top:71px;left:0;right:0;z-index:21;margin:0;padding:14px 20px;background:var(--page);border-bottom:1px solid var(--line);justify-content:center;gap:24px;box-shadow:0 14px 22px #172b450b}.js .main-nav{display:none}.js .main-nav.is-open{display:flex}.main-nav a{font-size:13px;padding:6px 0}.hero{grid-template-columns:1fr;gap:22px;padding-block:45px 30px;min-height:0}.eyebrow{font-size:12px;margin-bottom:16px}.hero h1{font-size:clamp(32px,7.8vw,44px);line-height:1.4}.hero-description{font-size:15px;max-width:450px;margin-top:20px}.hero-actions{margin-top:24px;gap:10px}.button{min-height:48px;font-size:13px;padding:11px 17px;gap:10px}.hero-visual{height:520px;width:min(440px,100%);margin:8px auto 0}.screen-front{width:218px;right:16px;top:12px}.screen-back{width:183px;left:12px;top:82px}.hero-visual:before{inset:55px 20px 48px 20px;border-radius:32px}.hero-visual figcaption{right:30px;bottom:-2px}.principles{gap:22px;padding-block:25px;grid-template-columns:1fr}.principles>div{display:grid;grid-template-columns:80px 1fr;gap:10px;align-items:start}.principles strong{font-size:14px}.principles p{font-size:13px;margin-top:0}.section{padding-block:60px}.section-heading{margin-bottom:28px}.section-heading h2{font-size:27px}.section-heading>p{font-size:14px;margin-top:12px}.product-tabs{gap:2px;justify-content:space-between}.product-tabs button{font-size:12px;padding:11px 9px}.product-panel{grid-template-columns:1fr;gap:0;border-radius:20px}.product-copy{padding:30px}.product-copy h3{font-size:26px}.product-copy>p:not(.product-category){font-size:14px}.product-points{font-size:13px;margin-block:22px;gap:10px}.product-media{padding:28px 20px 44px;max-height:530px}.product-media img{width:220px}.steps{grid-template-columns:1fr;gap:26px;margin-top:30px}.steps li{display:grid;grid-template-columns:42px 1fr;column-gap:14px;align-items:start}.step-number{grid-row:span 2;margin:0}.steps h3{font-size:17px}.steps p{margin-top:8px;max-width:none}.partner-panel{padding:30px;grid-template-columns:1fr;gap:36px;border-radius:20px}.partner-copy h2{font-size:27px}.partner-copy>p:not(.eyebrow){font-size:14px}.partner-notes{gap:24px}.partner-notes>div{padding-left:18px}.partner-notes span{font-size:15px}.partner-notes p{font-size:13px}.faq-section{padding-top:0;grid-template-columns:1fr;gap:0}.faq-list summary{font-size:14px}.faq-list details>p{font-size:13px}.download-section{padding-block:30px}.download-inner{display:block}.download-copy{gap:15px;align-items:flex-start}.download-copy>img{width:54px;height:54px}.download-copy h2{font-size:20px}.download-copy p{font-size:13px}.download-actions{flex-direction:row;margin-top:24px}.download-actions .button{flex:1;min-width:0;flex-direction:column;gap:0}.site-footer{padding-block:28px 24px}.footer-main{flex-wrap:wrap;gap:12px 20px;padding-bottom:24px}.footer-main>p{width:100%;order:3}.footer-top{font-size:12px}.footer-bottom{display:block;line-height:2}.footer-bottom>span{display:block;margin-top:3px}.footer-legal{margin-top:12px}.footer-main .brand{font-size:18px}.footer-main .brand img{width:34px;height:34px}}
@media(max-width:370px){.shell{width:calc(100% - 32px)}.header-inner{gap:10px}.header-download{padding-inline:8px}.brand{font-size:18px}.nav-toggle{padding-inline:9px}.hero-visual{height:475px}.screen-front{width:198px;right:8px}.screen-back{width:166px;left:5px}.hero-actions .button{padding-inline:13px;font-size:12px}.product-copy,.partner-panel{padding:25px}.main-nav{gap:18px}}