:root{--ink:#183d40;--muted:#586e70;--teal:#087e78;--line:#dce7e4;--paper:#f5f8f7;--white:#fff;font-family:"PingFang SC","Microsoft YaHei",system-ui,sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:32px}body{margin:0}a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer}button,a,summary{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid #16a395;outline-offset:5px}button{color:inherit}p{line-height:1.85;margin:0}h1,h2,h3{margin:0;font-weight:600}h2{font-size:34px;line-height:1.45;letter-spacing:-1px}h3{font-size:19px;line-height:1.6}.wrap{width:min(1200px,calc(100% - 96px));margin-inline:auto}.skip{position:fixed;top:-80px;left:20px;z-index:20;background:white;padding:12px}.skip:focus{top:12px}.site-header{height:104px;display:flex;align-items:center;justify-content:space-between;gap:24px;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;font-size:22px;font-weight:600;letter-spacing:2px}.brand img{border-radius:12px}.brand small{display:block;font-size:10px;letter-spacing:1px;font-weight:400;color:var(--muted);margin-top:3px}nav{display:flex;align-items:center;gap:36px;font-size:14px}nav a{padding-block:14px}nav a:hover,.text-link:hover{color:var(--teal)}nav .nav-entry{border:1px solid #b6cfca;border-radius:30px;padding:12px 20px;font-weight:600}.nav-entry span{margin-left:12px}.hero{display:grid;grid-template-columns:.88fr 1.12fr;gap:48px;align-items:center;padding-block:80px 104px}.eyebrow{font-size:12px;letter-spacing:1.2px;color:var(--teal);margin-bottom:20px;font-weight:600}.hero .eyebrow{display:flex;align-items:center;gap:8px}.hero .eyebrow span,.preview-top i{width:6px;height:6px;border-radius:50%;background:#259c88;display:inline-block}.hero h1{font-size:clamp(40px,4.5vw,66px);line-height:1.32;letter-spacing:-2px;font-weight:600}.flow-word{position:relative;color:var(--teal)}.flow-word svg{position:absolute;width:95%;height:12px;left:0;bottom:-8px;fill:none;stroke:#73bcb1;stroke-width:2}.intro{margin-top:32px;font-size:16px;color:var(--muted)}.hero-actions{display:flex;align-items:center;gap:24px;margin-top:32px;flex-wrap:wrap}.button{display:inline-flex;align-items:center;justify-content:space-between;gap:32px;min-height:52px;border-radius:8px;padding:14px 24px;font-size:15px;font-weight:600;transition:background .2s,transform .2s}.primary{background:var(--teal);color:white;box-shadow:0 6px 16px #087e7812}.primary:hover{background:#066d67;transform:translateY(-2px)}.text-link{font-size:14px;font-weight:600;display:inline-flex;gap:12px;align-items:center;min-height:44px}.hero-note{font-size:11px;color:var(--muted);margin-top:24px;letter-spacing:.3px}.preview-shell{position:relative;min-width:0;border:1px solid #d8e4e0;border-radius:16px;background:#fff;box-shadow:0 24px 60px -32px #2b68683b}.preview-top{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:16px 20px;border-bottom:1px solid #edf1ee;font-size:11px;color:var(--muted)}.preview-top i{margin-right:6px}.preview-modes{display:flex;background:#eff5f2;border-radius:7px;padding:3px}.preview-modes button{border:0;background:transparent;min-height:36px;padding:0 12px;font-size:12px;border-radius:5px}.preview-modes button[aria-pressed=true]{background:#fff;color:var(--teal);box-shadow:0 2px 4px #183d4010}.preview-stage{height:420px;position:relative;overflow:hidden;background:#f5f8f7}.preview-stage canvas{width:100%;height:100%;display:block}.preview-tag{position:absolute;left:20px;top:16px;background:#ffffffdb;padding:6px 10px;border:1px solid #e1eae6;border-radius:6px;color:var(--muted);font-size:11px;pointer-events:none}.preview-state{position:absolute;left:20px;bottom:12px;font-size:11px;color:var(--muted);background:#f5f8f7e6;padding:3px 7px;border-radius:4px}.preview-state[hidden]{display:none}.preview-bottom{display:flex;align-items:center;justify-content:space-between;gap:8px;min-height:56px;padding:8px 20px;font-size:11px;color:var(--muted)}.preview-bottom b{font-family:ui-monospace,monospace;font-weight:400;margin-left:8px;color:var(--ink)}.speed-key{display:flex;align-items:center;gap:8px}.speed-key i{width:48px;height:4px;border-radius:3px;background:linear-gradient(90deg,#4989d9,#19b19e,#f59d43)}.preview-bottom button{border:0;background:#f1f6f3;border-radius:5px;min-height:36px;min-width:44px;font-size:11px}.preview-caption{position:absolute;top:calc(100% + 16px);font-size:10px;color:var(--muted);text-align:center;width:100%;letter-spacing:.4px}.section-heading{margin-bottom:40px}.section-heading .eyebrow{margin-bottom:12px}.possibilities{padding-block:64px 88px;border-top:1px solid var(--line)}.features{display:grid;grid-template-columns:repeat(3,1fr);gap:48px}.feature-icon{width:48px;height:48px;margin-bottom:24px}.feature-icon svg{width:100%;height:100%;fill:none;stroke:#8daaa4;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}.feature-icon .accent{stroke:var(--teal);stroke-width:3}.features p{font-size:14px;color:var(--muted);margin-top:12px;max-width:320px}.living-section{background:#e8f0ed;padding-block:80px}.living-grid{display:grid;grid-template-columns:1fr 1fr;gap:96px}.living-grid h2{font-size:36px}.living-grid .text-link{margin-top:24px;color:var(--teal)}.use-cases{display:grid;gap:32px}.use-cases article+article{border-top:1px solid #ceded7;padding-top:32px}.use-cases span{font-size:11px;color:var(--teal)}.use-cases h3{margin-top:8px}.use-cases p{margin-top:12px;font-size:14px;color:var(--muted);max-width:400px}.how{padding-block:88px}.steps{list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:40px;padding:0;margin:0}.steps li{display:flex;gap:20px;border-top:1px solid var(--line);padding-top:24px}.steps li>span{font-family:ui-monospace,monospace;font-size:13px;color:var(--teal);padding-top:6px}.steps p{font-size:14px;color:var(--muted);margin-top:8px}.faq{padding-block:56px 80px;display:grid;grid-template-columns:1fr 1.3fr;gap:64px;border-top:1px solid var(--line)}.faq h2{font-size:24px;max-width:240px}.faq details{border-bottom:1px solid var(--line)}.faq summary{font-size:15px;font-weight:600;cursor:pointer;padding:20px 28px 20px 0;position:relative;list-style:none}.faq summary::-webkit-details-marker{display:none}.faq summary:after{content:'+';position:absolute;right:4px;color:var(--teal);font-size:20px;top:17px;font-weight:400}.faq details[open] summary:after{content:'−'}.faq details p{font-size:14px;color:var(--muted);padding-bottom:24px}.closing{padding:40px 0 64px;display:flex;justify-content:space-between;align-items:center;gap:24px}.closing .eyebrow{margin-bottom:12px}.closing h2{font-size:30px}footer{border-top:1px solid var(--line);padding-block:28px 36px;display:flex;align-items:center;justify-content:space-between;gap:20px;font-size:11px;color:var(--muted)}.footer-brand{font-size:18px;font-weight:600;color:var(--ink);letter-spacing:2px}
@media(min-width:1440px){.hero{padding-block:96px 120px}.preview-stage{height:460px}}@media(max-width:1050px){.wrap{width:calc(100% - 64px)}.hero{gap:32px}.hero h1{font-size:48px}.hero-actions{gap:12px}.button{padding-inline:18px;gap:20px}.preview-top{padding-inline:12px}.preview-stage{height:390px}.features{gap:32px}.living-grid{gap:48px}.preview-top>span{max-width:130px;line-height:1.7}.preview-bottom{padding-inline:12px}.speed-key i{width:28px}}@media(max-width:760px){.wrap{width:calc(100% - 40px)}.site-header{height:80px}.brand{font-size:19px;gap:8px}.brand img{width:36px;height:36px}.brand small{font-size:9px}.site-header nav>a:not(.nav-entry){display:none}.site-header .nav-entry{padding:10px 14px;font-size:12px}.nav-entry span{margin-left:4px}.hero{grid-template-columns:1fr;gap:40px;padding-block:48px 80px}.hero h1{font-size:clamp(44px,10vw,60px);letter-spacing:-1.5px}.eyebrow{font-size:11px}.intro{margin-top:24px;font-size:15px}.hero-actions{margin-top:24px;gap:20px}.hero-note{font-size:10px;margin-top:20px}.preview-stage{height:380px}.preview-top>span{max-width:none;font-size:10px}.preview-bottom{font-size:10px}.preview-caption{font-size:9px}.section-heading{margin-bottom:32px}h2,.living-grid h2{font-size:28px}.possibilities{padding-block:48px 56px}.features{grid-template-columns:1fr;gap:32px}.features article{display:grid;grid-template-columns:44px 1fr;gap:0 20px}.feature-icon{grid-row:1 / 3;width:40px;height:40px;margin:4px 0 0}.features p{max-width:none;margin-top:8px}.features h3,.steps h3{font-size:17px}.living-section{padding-block:48px}.living-grid{grid-template-columns:1fr;gap:32px}.living-grid h2 br{display:none}.use-cases{gap:24px}.use-cases article+article{padding-top:24px}.how{padding-block:56px}.steps{grid-template-columns:1fr;gap:24px}.faq{grid-template-columns:1fr;gap:16px;padding-block:40px 48px}.faq h2{max-width:none;font-size:23px}.closing{align-items:flex-start;flex-direction:column;padding:16px 0 48px;gap:24px}.closing h2{font-size:27px}footer{flex-wrap:wrap;gap:16px;padding-block:24px}footer p{order:3;width:100%;font-size:10px}.desktop-break{display:none}}@media(max-width:370px){.wrap{width:calc(100% - 32px)}.hero-actions{gap:12px}.hero-actions .button{font-size:13px;gap:16px}.hero-actions .text-link{font-size:12px}.preview-stage{height:340px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}
/* 四项功能：大屏四列，平板两列，手机一列 */
.features.four{grid-template-columns:repeat(4,1fr);gap:36px}
.features.four p{max-width:none}
@media(max-width:1050px){.features.four{grid-template-columns:repeat(2,1fr);gap:32px 40px}}
@media(max-width:760px){.features.four{grid-template-columns:1fr}}