/* 静态官网独立样式：不加载业务组件库，兼顾手机访问与键盘操作。 */
:root{color-scheme:light;--ink:#202a37;--muted:#596574;--accent:#087a67;--line:#dce7e2;--soft:#f2f7f4}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:96px}body{margin:0;color:var(--ink);font:16px/1.8 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;background:#fff}a{color:var(--accent);text-underline-offset:4px}img{max-width:100%;height:auto}h1,h2,h3,p{margin:0 0 18px}h1{font-size:44px;line-height:1.4;letter-spacing:-1px}h1 span{display:inline-block;margin-top:14px;font-size:34px;letter-spacing:0}h2{font-size:30px;line-height:1.5}h3{font-size:20px}p{color:var(--muted)}.container{max-width:1160px;margin:auto;padding:0 28px}.header{border-bottom:1px solid var(--line);background:#fff}.navigation{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:88px}.brand{display:inline-flex;align-items:center;gap:10px;font-size:21px;font-weight:700;color:var(--ink);text-decoration:none;white-space:nowrap}.nav-links{display:flex;align-items:center;gap:22px;flex-wrap:wrap}.nav-links a{text-decoration:none;font-size:14px;color:var(--ink)}.nav-links .nav-console{color:var(--accent);font-weight:600}.hero{background:linear-gradient(115deg,#eaf3eb,#f8fbf8);padding:76px 0}.hero-grid{display:grid;grid-template-columns:1.5fr 1fr;align-items:center;gap:76px}.eyebrow{color:var(--accent);font-size:13px;font-weight:700;letter-spacing:3px;margin-bottom:18px}.hero-description{font-size:18px;max-width:620px;margin-top:24px}.actions{display:flex;flex-wrap:wrap;gap:12px;margin:30px 0 20px}.button{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:10px 20px;border-radius:8px;font:inherit;font-weight:600;text-decoration:none;cursor:pointer;border:1px solid var(--accent)}.primary{background:var(--accent);color:#fff}.secondary{background:#fff;color:var(--accent)}.hero-note{font-size:13px}.hero-preview{text-align:center}.hero-preview img{display:block;max-height:410px;width:auto;margin:auto;border:7px solid #fff;border-radius:22px;box-shadow:0 20px 60px #1f403320}.hero-preview a{display:inline-block;margin-top:16px;font-size:14px}.section{padding-top:72px;padding-bottom:72px}.cards{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;margin-top:34px}.cards article,.downloads article{padding:28px;border:1px solid var(--line);border-radius:12px;background:#fff}.step{display:block;color:var(--accent);font-size:13px;font-weight:700;margin-bottom:18px}.cards a,.demo-grid a{font-weight:600}.soft{background:var(--soft)}.demo-grid{display:grid;grid-template-columns:1.3fr 1fr;gap:80px;align-items:center}.demo-grid video{width:100%;max-height:410px;background:#e5ede8;border-radius:14px}.downloads{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:32px}.downloads article{padding:22px}.downloads p{font-size:14px}.downloads .button{font-size:14px;padding:10px 14px}.exam-grid{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}.form-row{display:flex;gap:10px;margin-top:8px}input{min-width:0;width:100%;border:1px solid #93a79f;border-radius:8px;padding:12px;font:inherit}button{white-space:nowrap}.faq details{padding:22px 0;border-bottom:1px solid var(--line)}summary{font-weight:600;cursor:pointer;font-size:18px}.faq details p{margin:16px 0 0;max-width:900px}.footer{padding:44px 0;background:#edf2ee}.footer p{font-size:13px;margin:12px 0}.footer a{color:var(--muted)}:focus-visible{outline:3px solid #d68b18;outline-offset:4px}.skip-link{position:absolute;left:16px;top:-90px;background:#fff;padding:12px;z-index:10}.skip-link:focus{top:8px}
/* 小屏幕使用单列正文，导航自然换行，避免横向溢出。 */
@media(max-width:800px){.navigation{align-items:flex-start;flex-direction:column;padding-top:18px;padding-bottom:18px;gap:14px}.nav-links{gap:12px 18px}.hero{padding:46px 0}.hero-grid,.demo-grid,.exam-grid{grid-template-columns:1fr;gap:30px}.hero-preview img{max-height:300px}.downloads{grid-template-columns:repeat(2,1fr)}h1{font-size:32px}h1 span{font-size:26px}h2{font-size:26px}.section{padding-top:48px;padding-bottom:48px}}
@media(max-width:480px){.container{padding-left:20px;padding-right:20px}.cards,.downloads{grid-template-columns:1fr}.form-row{flex-direction:column}.button{min-height:48px}.hero-description{font-size:16px}.hero-preview img{max-height:270px}}
/* 尊重系统减少动态效果设置。 */
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

/* 首屏入口以网页版为主，移动客户端下载与小程序码并列，保留产品介绍。 */
.hero{padding:48px 0}.hero-grid{gap:48px}.hero-access{display:flex;align-items:center;gap:24px;margin:24px 0 12px}.hero-access-links{flex:1;min-width:0;max-width:330px}.web-entry{width:100%}.app-entry-links{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:10px}.app-entry-links .button{padding:10px 12px;font-size:15px}.hero-access .hero-note{margin:8px 0 0;font-size:12px}.hero-qr{display:flex;flex-direction:column;align-items:center;flex-shrink:0;padding:10px 12px;background:#fff;border:1px solid var(--line);border-radius:12px}.hero-qr img{display:block}.hero-qr-copy{display:flex;flex-direction:column;align-items:center}.hero-qr strong{font-size:14px;margin-top:4px}.hero-qr span{font-size:12px;color:var(--muted)}.hero-guide{font-size:14px}
/* 复用项目已有的 Remix Icon 字体，仅显示安卓和苹果平台标识。 */
@font-face{font-family:remixicon;src:url('/static/fonts/fonts/remixicon.woff2') format('woff2');font-display:swap}.platform-button{gap:8px}.platform-icon{font:normal 20px/1 remixicon;display:inline-block;flex:none}.android-icon::before{content:'\ea35'}.apple-icon::before{content:'\ea3f'}
/* 手机端直接展示小程序码，下载入口和二维码都无需额外点击即可看到。 */
@media(max-width:800px){.hero{padding:28px 0}.hero-grid{gap:30px}.hero-access{flex-direction:column;align-items:stretch;gap:12px;margin-top:20px}.hero-access-links{max-width:none}.hero-qr{flex-direction:row;justify-content:center;gap:16px}.hero-qr-copy{align-items:flex-start}.hero-qr strong{margin-top:0}.hero-description{margin-top:16px}.hero .eyebrow{margin-bottom:10px}}