:root{--bg:#f6f9fe;--surface:#fff;--surface-alt:#edf4ff;--ink:#17243a;--ink-2:#40536f;--muted:#647995;--line:#dce6f5;--blue:#2f6bfe;--blue-deep:#1754d6;--shadow:0 28px 72px -35px rgba(33,73,146,.34);font-family:"Segoe UI","Microsoft YaHei UI","PingFang SC",system-ui,sans-serif;color-scheme:light}
html{scroll-behavior:smooth;scroll-padding-top:85px}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);line-height:1.65}
a{color:inherit;text-decoration:none}
button{font:inherit}
button,a{-webkit-tap-highlight-color:transparent}
:focus-visible{outline:3px solid #83adff;outline-offset:3px}
.page-wrap{max-width:1320px;padding:0 34px;margin:0 auto}
.site-header{position:sticky;top:0;z-index:10;background:rgba(255,255,255,.94);border-bottom:1px solid var(--line);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px)}
.site-nav{min-height:70px;display:flex;align-items:center;gap:16px}
.brand{display:inline-flex;align-items:center;gap:10px;white-space:nowrap;font-size:20px;font-weight:800;letter-spacing:-.04em}
.brand img{width:38px;height:38px;border-radius:11px}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;background:transparent}
.nav-links a{padding:8px 13px;border-radius:10px;font-size:13px;font-weight:700;color:var(--ink-2)}
.nav-links a:hover{background:var(--surface-alt);color:var(--blue-deep)}
.theme-toggle{width:39px;height:39px;flex:none;display:grid;place-items:center;border:1px solid var(--line);border-radius:11px;background:var(--surface);color:var(--ink-2);cursor:pointer}
.theme-toggle svg{grid-area:1/1;width:22px;height:22px}
html[data-theme=light] .theme-sun,html[data-theme=dark] .theme-moon{display:none}
.language-switch{display:flex;align-items:center;gap:2px;padding:3px;border:1px solid var(--line);border-radius:11px;background:var(--surface)}
.language-switch a{min-width:31px;padding:5px 8px;border-radius:7px;text-align:center;font-size:12px;font-weight:700;color:var(--muted)}
.language-switch a[aria-current=page]{background:#e8f0ff;color:var(--blue-deep)}
.hero{padding:90px 0 96px;overflow:hidden;background:radial-gradient(ellipse at 81% 17%,#e7f1ff 0,transparent 38%),linear-gradient(180deg,#fff,#f5f8fe)}
.hero-grid{display:grid;grid-template-columns:minmax(0,.86fr) minmax(0,1.14fr);gap:clamp(30px,5vw,80px);align-items:center}
.hero-copy{position:relative;z-index:1}
.eyebrow{display:inline-flex;align-items:center;gap:8px;margin:0 0 23px;padding:7px 13px;border:1px solid #d5e3ff;border-radius:999px;background:#ecf3ff;color:#2861cf;font-size:12px;font-weight:800}
.status-dot{width:8px;height:8px;border-radius:50%;background:var(--blue)}
.hero h1{margin:0;font-size:clamp(44px,4.5vw,65px);line-height:1.13;letter-spacing:-.065em}
.hero h1 span{color:var(--blue)}
.hero-lead{max-width:545px;margin:24px 0 0;color:var(--ink-2);font-size:17px;line-height:1.85}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:32px}
.button{min-height:48px;display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:11px 21px;border:1px solid var(--line);border-radius:12px;font-size:14px;font-weight:750;text-align:center;transition:transform .23s,box-shadow .23s,background-color .23s,border-color .23s}
.button:hover{transform:translateY(-2px)}
.button.primary{background:var(--blue);border-color:var(--blue);color:#fff;box-shadow:0 15px 30px -16px rgba(47,107,254,.75)}
.button.primary:hover{background:#205be8}
.button.quiet{background:var(--surface);color:var(--ink)}
.hero-note{margin:24px 0 0;color:var(--muted);font-size:12px}
.illustration{position:relative;min-height:535px;display:grid;place-items:center;isolation:isolate}
.illustration::before{content:"";position:absolute;inset:28px 4% 15px;border-radius:40px;background:linear-gradient(145deg,#dfeaff,#f4f8ff);border:1px solid #d7e5fb;transform:rotate(-3deg);z-index:-2}
.illustration-orbit{position:absolute;z-index:-1;border-radius:50%;border:1px dashed #abc7fc}
.orbit-one{width:460px;height:460px;right:7%;top:11%}
.orbit-two{width:330px;height:330px;right:20%;top:23%;border-color:#d3e3fc}
.android-preview-slot{width:250px;height:475px;border:1px solid #d4e1f4;border-radius:36px;background:rgba(255,255,255,.42);box-shadow:0 28px 55px -38px rgba(22,51,103,.22)}
.phone{position:relative;width:250px;height:475px;padding:11px;background:#1d3153;border:2px solid #37517b;border-radius:38px;box-shadow:0 45px 67px -38px rgba(22,51,103,.58);transform:rotate(3deg)}
.phone-speaker{position:absolute;z-index:2;width:65px;height:8px;top:8px;left:calc(50% - 32px);border-radius:0 0 9px 9px;background:#1d3153}
.phone-screen{position:relative;height:100%;padding:17px 14px 0;overflow:hidden;border-radius:28px;background:#f8faff;color:#17243a}
.phone-header{display:flex;align-items:center;justify-content:space-between;padding-bottom:22px}
.phone-logo{display:flex;align-items:center;gap:6px;color:#17243a;font-size:15px;font-weight:800}
.phone-logo img{width:25px;height:25px;border-radius:7px}
.phone-avatar{width:25px;height:25px;display:grid;place-items:center;border-radius:50%;background:#e4efff;color:#3975d8;font-size:11px;font-weight:800}
.phone-welcome{color:#17243a;font-size:18px;font-weight:800;line-height:1.3}
.phone-welcome span{display:block;margin-top:6px;color:#758aa8;font-size:10px;font-weight:500}
.phone-section-title{display:flex;justify-content:space-between;align-items:center;margin:25px 0 12px;color:#273d61;font-size:12px;font-weight:800}
.phone-section-title span{font-size:9px;color:#2f6bfe}
.phone-project{display:flex;align-items:center;gap:8px;margin:7px 0;padding:9px;border:1px solid #e1eaf7;border-radius:11px;background:#fff}
.phone-project img,.project-icon-blue{width:35px;height:35px;flex:none;border-radius:9px}
.project-icon-blue{display:grid;place-items:center;background:#e3f0ff;color:#3381eb;font-weight:800}
.phone-project div{min-width:0;flex:1}.phone-project strong,.phone-project small{display:block;white-space:nowrap}.phone-project strong{font-size:11px;line-height:1.3}.phone-project small{margin-top:3px;color:#8799b0;font-size:8px}.phone-project>span:last-child{color:#9cb0d0}
.phone-section-title.second{margin-top:20px}
.phone-activity{display:flex;gap:8px;align-items:start;padding:10px;border-radius:10px;background:#eaf2ff}.activity-dot{width:7px;height:7px;flex:none;margin-top:4px;border-radius:50%;background:#54c993}.phone-activity strong,.phone-activity small{display:block}.phone-activity strong{font-size:9px}.phone-activity small{font-size:8px;color:#7d90ac}
.phone-bottom{position:absolute;bottom:0;left:0;right:0;display:flex;justify-content:space-around;padding:12px 8px 14px;border-top:1px solid #e7edf7;background:#fff;color:#8ca0ba;font-size:9px}.phone-bottom .active{color:#2f6bfe;font-weight:800}
.note-card{position:absolute;z-index:1;display:flex;align-items:center;gap:7px;padding:12px 14px;border:1px solid #e1e9f6;border-radius:13px;background:#fff;box-shadow:var(--shadow);font-size:11px;transform:rotate(-4deg)}.note-card small{color:#93a3b9;font-size:9px}.note-left{top:18%;left:1%}.note-right{right:0;bottom:19%;transform:rotate(5deg)}.note-dot{width:9px;height:9px;border-radius:50%;background:#54c993}.note-icon{display:grid;place-items:center;width:22px;height:22px;border-radius:50%;background:#dff7e9;color:#2cab69;font-weight:800}
.features{padding:110px 0;background:var(--surface)}.section-head{max-width:720px;margin-bottom:43px}.kicker{margin:0 0 12px;color:var(--blue-deep);font-size:12px;font-weight:800;letter-spacing:.07em}.section-head h2,.together h2{margin:0;font-size:clamp(32px,3.6vw,46px);line-height:1.25;letter-spacing:-.05em}.section-head>p:last-child,.together p:last-of-type{margin:17px 0 0;color:var(--ink-2);font-size:15px;line-height:1.85}
.feature-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.feature-card{position:relative;overflow:hidden;min-height:230px;padding:31px;border:1px solid var(--line);border-radius:20px;background:#f8fbff;transition:transform .25s,box-shadow .25s}.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}.feature-card.large{background:#ebf3ff}.feature-card.wide{background:#edf4ff}.feature-number{color:var(--blue-deep);font-size:11px;font-weight:850;letter-spacing:.05em}.feature-card h3{margin:20px 0 9px;font-size:22px;letter-spacing:-.035em}.feature-card p{max-width:570px;margin:0;color:var(--ink-2);font-size:14px;line-height:1.8}.card-preview{display:flex;align-items:center;gap:12px;max-width:410px;margin-top:24px;padding:11px;border:1px solid #dbe7fa;border-radius:13px;background:#fff}.preview-icon img{display:block;width:39px;height:39px;border-radius:9px}.card-preview strong,.card-preview small{display:block}.card-preview strong{font-size:13px}.card-preview small{color:#7385a0;font-size:10px}.card-preview>b{margin-left:auto;color:#8ba6cf}.review-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:22px}.review-tags span{padding:7px 10px;border:1px solid #d6e5ff;border-radius:8px;background:#fff;color:#2764d7;font-size:11px;font-weight:750}
.together{padding:81px 0;background:#eaf2ff;border-block:1px solid #dbe7f8}.together-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}.together-inner>div{max-width:730px}.together .button{flex:none}
.download{padding:110px 0 118px;background:var(--bg)}.download-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.download-card{padding:34px;border:1px solid var(--line);border-radius:20px;background:var(--surface)}.download-card.primary-card{background:#eaf2ff;border-color:#d3e3ff}.package-badge{display:inline-block;padding:5px 9px;border-radius:7px;background:#d9e8ff;color:#1d5fcf;font-size:11px;font-weight:800}.package-badge.pale{background:#eff3f9;color:#60728f}.download-card h3{margin:22px 0 8px;font-size:25px;letter-spacing:-.04em}.download-card h3 span{font-size:14px;font-weight:600;color:var(--muted)}.download-card p{min-height:45px;margin:0;color:var(--ink-2);font-size:14px}.download-actions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:26px}.download-actions .button{min-height:45px;padding:10px 12px}.download-actions img{width:18px;height:18px}.button.gitee{background:#fff;border-color:#f2cbcb;color:#b4262f}.button.github{background:#fff;color:#263c59}.install-note{margin:22px 0 0;color:var(--muted);font-size:13px}.install-note a{color:var(--blue-deep);font-weight:700;text-decoration:underline;text-underline-offset:3px}
footer{padding:35px 0;background:#edf3fc;border-top:1px solid var(--line)}.footer-inner{display:flex;align-items:center;gap:26px;color:var(--muted);font-size:12px}.footer-inner>div{display:flex;gap:20px;margin-left:auto}.footer-inner a:hover{color:var(--blue-deep)}
.reveal{opacity:1;transform:none;transition:opacity .65s,transform .65s}html.motion-ready .reveal:not(.in){opacity:0;transform:translateY(20px)}html.motion-ready .reveal.in{opacity:1;transform:none}
@keyframes rise{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:translateY(0)}}@keyframes phone-rise{from{opacity:0;transform:translateY(24px) rotate(7deg)}to{opacity:1;transform:translateY(0) rotate(3deg)}}html.motion-ready .hero-copy>*{animation:rise .6s both}html.motion-ready .hero-copy>*:nth-child(1){animation-delay:.05s}html.motion-ready .hero-copy>*:nth-child(2){animation-delay:.13s}html.motion-ready .hero-copy>*:nth-child(3){animation-delay:.21s}html.motion-ready .hero-copy>*:nth-child(4){animation-delay:.29s}html.motion-ready .hero-copy>*:nth-child(5){animation-delay:.37s}html.motion-ready .phone{animation:phone-rise .75s .27s both}
html[data-theme=dark]{--bg:#101a2a;--surface:#16243a;--surface-alt:#1e3356;--ink:#f1f5fc;--ink-2:#c6d3e6;--muted:#a9b9d0;--line:#31425e;--shadow:0 28px 72px -35px rgba(0,0,0,.62);color-scheme:dark}
html[data-theme=dark] .site-header{background:rgba(16,26,42,.95)}html[data-theme=dark] .nav-links{background:transparent}html[data-theme=dark] .language-switch a[aria-current=page]{background:#1c3568;color:#b9d2ff}
html[data-theme=dark] .hero{background:radial-gradient(ellipse at 82% 17%,#1b3357,transparent 40%),#101a2a}html[data-theme=dark] .eyebrow{background:#1b3357;border-color:#2d4c82;color:#adc9ff}html[data-theme=dark] .illustration::before{background:linear-gradient(145deg,#1d3355,#263f67);border-color:#3a5883}html[data-theme=dark] .illustration-orbit{border-color:#466a9f}html[data-theme=dark] .note-card{background:#203552;border-color:#395374}html[data-theme=dark] .note-card small{color:#bdcce1}
html[data-theme=dark] .android-preview-slot{background:rgba(22,36,58,.45);border-color:#3a5883}
html[data-theme=dark] .features{background:#101a2a}html[data-theme=dark] .feature-card{background:#172840}html[data-theme=dark] .feature-card.large,html[data-theme=dark] .feature-card.wide{background:#1b3050}html[data-theme=dark] .card-preview,html[data-theme=dark] .review-tags span{background:#233956;border-color:#3a5883}html[data-theme=dark] .together{background:#192d4c;border-color:#344e74}html[data-theme=dark] .download-card.primary-card{background:#192d4c;border-color:#34517e}html[data-theme=dark] .package-badge{background:#284b80;color:#dceaff}html[data-theme=dark] .package-badge.pale{background:#263850;color:#c8d5e9}html[data-theme=dark] .button.gitee,html[data-theme=dark] .button.github{background:#233956}html[data-theme=dark] footer{background:#14223a}
@media(max-width:1000px){.hero-grid{grid-template-columns:1fr}.hero-copy{max-width:680px}.illustration{min-height:515px}.feature-grid{grid-template-columns:1fr 1fr}}
@media(max-width:700px){.page-wrap{padding:0 20px}.site-nav{gap:8px}.brand{font-size:17px}.brand img{width:34px;height:34px}.nav-links{display:none}.theme-toggle{margin-left:auto;width:35px;height:35px}.language-switch a{min-width:28px;padding-inline:5px}.hero{padding:55px 0 65px}.hero h1{font-size:clamp(38px,9.6vw,52px)}.hero-lead{font-size:15px}.illustration{min-height:460px}.illustration::before{inset:25px 0 18px}.orbit-one{width:340px;height:340px}.orbit-two{width:270px;height:270px}.phone,.android-preview-slot{width:220px;height:430px}.phone-project{padding:7px}.note-card{padding:8px;font-size:10px}.note-left{left:-2%;top:16%}.note-right{right:-2%;bottom:17%}.features,.download{padding:78px 0}.feature-grid,.download-grid{grid-template-columns:1fr}.feature-card{min-height:auto;padding:26px}.together{padding:62px 0}.together-inner{display:block}.together .button{margin-top:25px}.download-card{padding:26px}.footer-inner{flex-wrap:wrap}.footer-inner>div{width:100%;margin:0}}
@media(max-width:390px){.page-wrap{padding:0 16px}.hero-actions .button{padding-inline:14px;font-size:12px}.illustration{min-height:440px}.note-card small{display:none}.download-actions{grid-template-columns:1fr}}
@media(max-width:900px){html[data-theme=dark] .nav-links{background:transparent}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}html.motion-ready .reveal:not(.in){opacity:1;transform:none}html.motion-ready .hero-copy>*,html.motion-ready .phone{animation:none}.reveal,.button,.feature-card{transition:none}}