:root{--ink:#171817;--muted:#737670;--base:#f8f8f6;--line:#e5e7e0}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:95px}body{margin:0;background:var(--base);color:var(--ink);font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer}button:focus-visible,a:focus-visible{outline:3px solid #818879;outline-offset:4px}.nav{height:88px;padding:0 5%;display:flex;align-items:center;justify-content:space-between;background:rgba(248,248,246,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:3}.brand{display:flex;align-items:center;gap:7px}.brand img{width:50px;height:50px;object-fit:contain}.brand span{font-size:27px;font-weight:800;line-height:1.15}.brand small{display:block;font-size:10px;letter-spacing:2px;margin-top:3px}.nav nav{display:flex;gap:29px;font-size:14px;align-items:center}.nav-download{border-bottom:1px solid var(--ink);padding:9px 0}.hero{padding:70px 7% 75px;display:grid;grid-template-columns:1.35fr 1fr;align-items:center;gap:8%;min-height:770px;max-width:1600px;margin:auto}.eyebrow{font-size:11px;letter-spacing:2px;font-weight:700;color:var(--muted);margin:0 0 22px}.hero h1{font-size:clamp(46px,5.8vw,88px);line-height:1.2;letter-spacing:-3px;margin:0 0 27px;font-weight:800}.lead{font-size:19px;line-height:1.95;color:var(--muted)}.actions{display:flex;align-items:center;gap:25px;margin:35px 0 19px}.primary{background:var(--ink);color:white;padding:19px 25px;display:inline-flex;align-items:center;justify-content:space-between;gap:35px;border-radius:8px;font-size:15px;font-weight:700;white-space:nowrap}.primary:hover{background:#343730}.text-link{font-size:14px;border-bottom:1px solid currentColor;padding-bottom:6px}.small{font-size:12px;color:var(--muted);line-height:1.85}.hero-statement{margin-top:56px;font-size:12px;color:var(--muted);display:flex;align-items:center;gap:9px}.dot{width:6px;height:6px;background:#373d31;border-radius:50%;display:inline-block}.hero-product{text-align:center;max-width:335px;width:100%;justify-self:center}.hero-product>img{width:100%;display:block;border:1px solid var(--line);border-radius:15px;box-shadow:0 14px 35px #0000000b;max-height:625px;object-fit:contain;background:white}.hero-product p{font-size:11px;color:var(--muted);letter-spacing:1px;margin-top:15px}.screen-label{display:block;text-align:left;font-size:10px;color:var(--muted);margin-bottom:10px;letter-spacing:1px}.intro-band{background:#e9ece4;padding:65px 7%;position:relative}.intro-band>p:first-child{font-size:14px;color:var(--muted)}h2{font-size:clamp(32px,3.3vw,49px);line-height:1.35;letter-spacing:-1px;margin:10px 0 20px}.band-copy{color:var(--muted);font-size:16px;line-height:1.8}.section{padding:100px 7%;max-width:1600px;margin:auto;border-bottom:1px solid var(--line)}.section-head{max-width:650px}.section-head>p:not(.eyebrow){color:var(--muted);font-size:15px;line-height:1.9}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:6%;margin-top:60px}.feature-number{font-size:12px;color:var(--muted);display:block;border-top:1px solid var(--line);padding-top:18px}.feature-grid h3{font-size:23px;margin:28px 0 15px}.feature-grid p{font-size:14px;line-height:1.95;color:var(--muted)}.role-tabs{display:flex;flex-wrap:wrap;gap:9px;margin-top:35px}.role-tabs button{border:1px solid var(--line);background:transparent;border-radius:6px;padding:12px 24px;font-size:13px;color:var(--muted)}.role-tabs [aria-selected=true]{background:var(--ink);border-color:var(--ink);color:white}.role-panel{display:grid;grid-template-columns:1.6fr 1fr;gap:60px;align-items:center;margin-top:35px;background:white;padding:48px;border-radius:12px}.role-panel h3{font-size:32px;margin:0 0 20px}.role-panel p{font-size:15px;color:var(--muted);line-height:1.9;max-width:420px}.role-panel .eyebrow{font-size:11px}.role-panel>img{height:480px;max-width:100%;object-fit:contain;justify-self:center;border:1px solid var(--line);border-radius:9px}.menu-strip{display:flex;gap:20px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:24px 0;margin:30px 0 20px;font-size:14px;flex-wrap:wrap}.partner-list{font-size:12px;color:var(--muted);line-height:1.8;margin-top:24px}.tour{display:grid;grid-template-columns:1.3fr 1fr;gap:70px;align-items:center;margin-top:45px}.tour h3{font-size:32px;line-height:1.45;margin:15px 0}.tour p{color:var(--muted);font-size:15px;line-height:1.8;max-width:390px}.tour>img{height:540px;max-width:100%;object-fit:contain;justify-self:center;border:1px solid var(--line);border-radius:9px}.tour-controls{display:flex;gap:25px;align-items:center;margin-top:34px}.tour-controls button{width:44px;height:44px;border:1px solid var(--line);border-radius:50%;background:white}.tour-controls span{font-size:10px;letter-spacing:4px}.privacy{background:#191c18;color:white;padding:85px 7%}.privacy .eyebrow{color:#a9b2a3}.privacy-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:6%;margin:35px 0}.privacy-grid p{font-size:14px;line-height:2;color:#c0c6ba}.privacy .text-link{font-size:12px;color:#c0c6ba}.download{display:flex;align-items:center;justify-content:space-between;gap:35px}.download h2{font-size:34px}.download .small{max-width:650px}.download .primary{padding:22px 30px}footer{padding:35px 5%;display:flex;align-items:center;justify-content:space-between;gap:25px;font-size:12px;color:var(--muted);flex-wrap:wrap}footer .brand{color:var(--ink)}footer .brand span{font-size:21px}footer .brand img{width:40px;height:40px}
@media(max-width:760px){.nav{height:74px;padding:0 5%}.nav nav>a:not(.nav-download){display:none}.brand span{font-size:24px}.hero{grid-template-columns:1fr;padding:45px 6% 55px;gap:40px;min-height:auto}.hero h1{font-size:53px;letter-spacing:-2px}.lead{font-size:16px}.actions{gap:20px}.primary{font-size:14px;padding:17px 20px;gap:20px}.hero-statement{margin-top:30px}.hero-product{max-width:285px}.hero-product>img{max-height:560px}.intro-band{padding:45px 6%}.section{padding:60px 6%}.feature-grid{grid-template-columns:1fr;gap:20px;margin-top:30px}.feature-grid h3{margin:17px 0 10px}.role-panel{grid-template-columns:1fr;gap:20px;padding:25px}.role-panel h3{font-size:27px}.role-panel>img{height:460px}.role-tabs button{padding:11px 17px}.menu-strip{gap:15px}.tour{grid-template-columns:1fr;gap:25px}.tour h3{font-size:27px}.tour>img{height:490px}.privacy{padding:55px 6%}.privacy-grid{grid-template-columns:1fr;gap:10px}.download{flex-direction:column;align-items:flex-start}.download h2{font-size:29px}footer{padding:30px 6%;font-size:11px}.hero-copy .small{font-size:11px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}