:root{color-scheme:light;--ink:#151515;--muted:#737373;--line:#e5e5e5;--paper:#fff}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:88px}body{margin:0;color:var(--ink);background:var(--paper);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Helvetica Neue","Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}a:focus-visible,summary:focus-visible{outline:2px solid #767676;outline-offset:6px}.preview{text-align:center;font-size:11px;padding:10px;color:#777;background:#f5f5f7;letter-spacing:1px}.preview span{margin:0 8px}header{height:88px;max-width:1440px;margin:auto;padding:0 6%;display:flex;justify-content:space-between;align-items:center}.brand{display:flex;flex-direction:column;gap:5px}.brand strong{font-size:23px;letter-spacing:3px;line-height:1.15}.brand>span{font-size:9px;letter-spacing:4px;font-weight:600}nav{display:flex;align-items:center;gap:38px;font-size:13px}nav a{color:#525252}nav a:hover{color:#000}nav a:last-child span{margin-left:12px}.hero{max-width:1440px;margin:auto;padding:90px 6% 0}.eyebrow{font-size:11px;letter-spacing:2px;font-weight:550;color:#777}h1{font-size:clamp(58px,7.3vw,104px);line-height:1.16;letter-spacing:-5px;font-weight:650;margin:35px 0 30px}h1>span{color:#858589}.hero p{font-size:18px;line-height:1.85;color:#747478;margin:0}p{line-height:1.85}.button{display:inline-flex;align-items:center;gap:28px;padding:17px 26px;border-radius:30px;background:#171717;color:white;font-size:13px;margin-top:32px;transition:background .2s,transform .2s}.button:hover{background:#363636;transform:translateY(-2px)}.hero-bottom{border-top:1px solid var(--line);display:flex;justify-content:space-between;margin-top:80px;padding:22px 0;font-size:10px;letter-spacing:1px;color:#8c8c8c}.product{background:#080808;color:white;padding:40px 6% 70px;margin:28px 24px 0;border-radius:30px}.product-head{display:flex;justify-content:space-between;align-items:center;max-width:1120px;margin:auto}.product .eyebrow{color:#939393}.pill{display:flex;gap:8px;align-items:center;font-size:11px;color:#c5c5c5;border:1px solid #353535;border-radius:20px;padding:8px 12px}.pill i{width:5px;height:5px;background:#d4d4d4;border-radius:50%}.product-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:65px;align-items:center;max-width:1120px;margin:65px auto 0}.product-name{font-size:20px;letter-spacing:4px}h2{font-weight:600;letter-spacing:-2px;line-height:1.22}.product h2{font-size:clamp(38px,4.5vw,64px);margin:22px 0}.product h2 span{color:#929296}.product-copy p{color:#a0a0a4;font-size:16px}.light-button{display:inline-flex;gap:30px;background:#fff;color:#121212;border-radius:28px;padding:15px 24px;font-size:13px;margin-top:20px}.light-button:hover{background:#ddd}.release-note{font-size:10px;color:#777;margin-top:23px}.product-visual{height:425px;background:linear-gradient(135deg,#252525,#101010);border:1px solid #3c3c3c;border-radius:24px;padding:28px 32px;overflow:hidden;box-shadow:0 30px 70px #0006;transform:rotate(-3deg)}.visual-caption{font-size:9px;letter-spacing:3px;color:#9b9b9b;margin-bottom:33px}.word{font-size:73px;font-weight:600;letter-spacing:-4px;line-height:1.15}.w1{color:#545454}.w2{color:#929292;margin-left:36px}.w3{color:#f5f5f5;margin-left:72px;white-space:nowrap}.asterisk{font-size:55px;margin-left:12px;vertical-align:middle}.visual-footer{border-top:1px solid #393939;display:flex;justify-content:space-between;margin-top:27px;padding-top:18px;font-size:10px;color:#999}.experience,.about,.support{max-width:1240px;margin:auto;padding:110px 6%}.section-intro{text-align:center}.section-intro h2{font-size:46px;margin:20px 0}.section-intro p{color:#888;font-size:15px}.features{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin:50px 0 32px}.features article{background:#f5f5f7;padding:32px;border-radius:22px}.num{font-size:12px;color:#969699}.features h3{font-size:29px;line-height:1.4;letter-spacing:-1px;font-weight:550;margin:37px 0 18px}.features p{font-size:14px;color:#777;min-height:78px}.feature-end{display:block;border-top:1px solid #ddd;padding-top:20px;margin-top:32px;font-size:11px;color:#777}details{border-bottom:1px solid var(--line);font-size:13px;padding:20px 0}summary{cursor:pointer;display:flex;justify-content:space-between;list-style:none}summary::-webkit-details-marker{display:none}summary span{font-size:20px;font-weight:300}details[open] summary span{transform:rotate(45deg)}details p{max-width:800px;color:#747474;padding-top:12px;margin-bottom:5px}.about{border-top:1px solid var(--line);padding-top:70px}.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:70px;margin-top:35px}.about h2{font-size:76px;margin:0}.about-lead{font-size:25px;line-height:1.5;margin:0 0 25px}.about-grid p:not(.about-lead){font-size:14px;color:#777}dl{font-size:12px;margin-top:36px}dl>div{border-top:1px solid var(--line);display:flex;padding:16px 0}dt{width:100px;color:#888;flex-shrink:0}dd{margin:0}.support{background:#f5f5f7;max-width:none;padding:70px max(6%,calc((100vw - 1090px)/2));display:grid;grid-template-columns:1fr 1fr;gap:70px}.support h2{font-size:43px;margin:20px 0 0}.support-body{align-self:center}.support-body>p{font-size:15px;color:#737373}.contact-status{display:flex;align-items:center;gap:10px;font-size:13px;margin:26px 0 20px}.status-dot{background:#999;border-radius:50%;width:6px;height:6px}.support-body p.small{font-size:12px;color:#929292}footer{padding:48px 6% 25px;max-width:1440px;margin:auto}.footer-top,.footer-bottom{display:flex;justify-content:space-between;align-items:center;gap:20px}.footer-top>a{font-size:12px;color:#777}.footer-bottom{margin-top:38px;border-top:1px solid var(--line);padding-top:22px;font-size:10px;color:#909090}@media(min-width:1500px){.product{max-width:1392px;margin-left:auto;margin-right:auto}}@media(max-width:760px){header{height:78px;padding:0 6%}.brand strong{font-size:18px}.brand>span{font-size:7px;letter-spacing:3px}nav{gap:18px;font-size:11px}nav a:last-child span{display:none}.hero{padding-top:58px}h1{font-size:clamp(43px,9vw,66px);letter-spacing:-2px}.hero p{font-size:15px}.hero-bottom{margin-top:55px;font-size:9px}.hero-bottom span:last-child{display:none}.product{margin:15px 12px 0;padding:28px 24px 40px;border-radius:24px}.product-grid{grid-template-columns:1fr;gap:45px;margin-top:40px}.product h2{font-size:43px}.product-visual{height:380px;max-width:380px;width:94%;margin:0 auto;transform:rotate(-2deg);padding:25px}.word{font-size:64px}.w3{margin-left:50px}.visual-caption{margin-bottom:26px}.experience,.about{padding:70px 6%}.section-intro h2{font-size:32px}.features{grid-template-columns:1fr;gap:15px;margin-top:32px}.features article{padding:28px}.features h3{font-size:27px;margin:20px 0 12px}.features h3 br{display:none}.features p{min-height:0}.feature-end{margin-top:25px}.about-grid{grid-template-columns:1fr;gap:35px}.about h2{font-size:58px}.support{grid-template-columns:1fr;gap:25px;padding:55px 6%}.support h2{font-size:36px}.footer-bottom{align-items:flex-start;flex-direction:column;gap:10px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.button{transition:none}}

/* Original mark displayed from the user-provided brand board; no traced or invented symbol. */
.brand{flex-direction:row;align-items:center;gap:13px}.brand-symbol{display:block;flex:none;width:48px;height:43px;background-image:url("assets/brand-reference.png");background-size:480px 246px;background-position:-135.2px -50.4px;background-repeat:no-repeat;filter:grayscale(1) contrast(1.2);mix-blend-mode:multiply}.brand-type{display:flex;flex-direction:column;gap:6px}.brand-type strong{font-size:23px;letter-spacing:3px;line-height:1.15}.brand-type>span{font-size:9px;letter-spacing:4px;font-weight:600}.brand>.brand-type{letter-spacing:normal}.product-brand{display:flex;align-items:center;gap:18px}.inverse{filter:grayscale(1) contrast(1.2) invert(1);mix-blend-mode:screen}.product-brand .brand-symbol{width:36px;height:33px;background-size:360px 184.5px;background-position:-101.4px -37.8px}@media(max-width:760px){.brand{gap:9px}.brand-symbol{width:36px;height:33px;background-size:360px 184.5px;background-position:-101.4px -37.8px}.brand-type strong{font-size:17px;letter-spacing:2px}.brand-type>span{font-size:7px;letter-spacing:2px}.product-brand{gap:10px}.product-brand .eyebrow{font-size:9px;letter-spacing:1px}nav{gap:12px}}

.product-identity{display:flex;align-items:center;gap:18px;margin-bottom:28px}.product-icon{display:block;width:72px;height:72px;object-fit:contain;border-radius:17px;border:1px solid #393939;flex-shrink:0}.product-category{display:block;font-size:11px;color:#999;letter-spacing:2px;margin-top:9px}@media(max-width:760px){.product-icon{width:60px;height:60px;border-radius:14px}.product-identity{gap:15px;margin-bottom:24px}}

/* Standalone transparent mark; source Photos screenshot is not shipped. */
.brand-symbol{background-image:url("assets/baizu-symbol.png");background-size:86px 57.33px;background-position:-17.5px -14px;mix-blend-mode:normal}
.product-brand .brand-symbol{background-size:64.5px 43px;background-position:-13.125px -10.5px}
@media(max-width:760px){.brand-symbol{background-size:64.5px 43px;background-position:-13.125px -10.5px}}

.contact-status a{font-size:clamp(15px,4vw,19px);font-weight:550;overflow-wrap:anywhere;text-decoration:underline;text-underline-offset:5px}.contact-status a:hover{color:#000}

/* Keep the complete supplied mark visible within each logo frame. */
.brand-symbol{background-size:82px 54.6667px;background-position:center -7px}
.product-brand .brand-symbol{background-size:61.5px 41px;background-position:center -5.25px}
@media(max-width:760px){.brand-symbol{background-size:61.5px 41px;background-position:center -5.25px}}
/* Draw a monochrome eight-spoke star instead of a platform-dependent emoji. */
.asterisk{display:inline-block;width:.76em;height:.76em;font-size:55px;margin-left:12px;vertical-align:middle;line-height:0}
.asterisk svg{display:block;width:100%;height:100%;overflow:visible}