:root{--vt-c-white: #ffffff;--vt-c-white-soft: #f8f8f8;--vt-c-white-mute: #f2f2f2;--vt-c-black: #222426;--vt-c-black-soft: #222222;--vt-c-black-mute: #282828;--vt-c-indigo: #2c3e50;--vt-c-divider-light-1: rgba(60, 60, 60, .29);--vt-c-divider-light-2: rgba(60, 60, 60, .12);--vt-c-divider-dark-1: rgba(84, 84, 84, .65);--vt-c-divider-dark-2: rgba(84, 84, 84, .48);--vt-c-text-light-1: var(--vt-c-indigo);--vt-c-text-light-2: rgba(60, 60, 60, .66);--vt-c-text-dark-1: var(--vt-c-white);--vt-c-text-dark-2: rgba(235, 235, 235, .64)}:root{--color-background: var(--vt-c-white);--color-background-soft: var(--vt-c-white-soft);--color-background-mute: var(--vt-c-white-mute);--color-border: var(--vt-c-divider-light-2);--color-border-hover: var(--vt-c-divider-light-1);--color-heading: var(--vt-c-text-light-1);--color-text: var(--vt-c-text-light-1);--section-gap: 160px}*{margin:0;padding:0;box-sizing:border-box}#app{width:100%;min-height:100vh}body{font-family:Alibaba PuHuiTi,PingFang SC,Microsoft YaHei,Helvetica,Arial,sans-serif;font-size:16px;line-height:24px;color:var(--vt-c-black);background:var(--color-background);transition:color .5s,background-color .5s;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden}.hero-title{font-size:48px;font-weight:500;line-height:56px;margin-bottom:12px}.hero-subtitle,.hero-desc{font-size:20px;line-height:32px}.hero-subtitle--mb-40,.hero-desc--mb-40{margin-bottom:40px}.hero-subtitle--mb-200,.hero-desc--mb-200{margin-bottom:200px}.hero-subtitle--mb-232,.hero-desc--mb-232{margin-bottom:232px}.hero-breadcrumb{display:flex;align-items:center;gap:16px;font-size:16px;line-height:48px}.hero-breadcrumb .breadcrumb-link{color:#fff9;text-decoration:none;transition:color .3s ease}.hero-breadcrumb .breadcrumb-link:hover{color:#fff}.hero-breadcrumb .separator{color:#ffffff80}.hero-breadcrumb .active{color:#fff}.section-title{display:flex;align-items:center;gap:24px;font-size:40px;font-weight:700;line-height:48px;color:#000}.section-title .title-icon{width:36px;height:40px}.section-title--center{justify-content:center;flex-wrap:wrap;text-align:center}.section-title--inline{display:inline-flex}.section-title--large{font-size:48px;line-height:64px}.section-title--white{color:#fff}.section-title--animated{opacity:0;transform:translateY(30px);transition:all .8s ease}.section-title--animated.visible{opacity:1;transform:translateY(0)}.section-title--mb-16{margin-bottom:16px}.section-title--mb-60{margin-bottom:60px}.section-title--mb-64{margin-bottom:64px}.section-title--mb-80{margin-bottom:80px}.section-title--mb-123{margin-bottom:123px}.section-subtitle{color:#999;font-size:24px;line-height:36px}.section-subtitle--center{max-width:1280px;text-align:center;margin:0 auto}.section-subtitle--lh-48{line-height:48px}.section-subtitle--mb-50{margin-bottom:50px}.section-subtitle--mb-80{margin-bottom:80px}