:root{--brand-red: #C7000B;--brand-red-hover: #A80009;--brand-red-10: #FBE9EA;--brand-red-border: #F3CFD2;--ai-orange: #FF6A3D;--ai-gradient: linear-gradient(135deg, #C7000B, #FF6A3D);--ai-gradient-90: linear-gradient(90deg, #C7000B, #FF6A3D);--ink: #0B0B0C;--zinc-900: #18181B;--zinc-800: #27272A;--zinc-700: #3F3F46;--zinc-600: #52525B;--zinc-500: #71717A;--zinc-400: #A1A1AA;--zinc-300: #D4D4D8;--zinc-200: #E4E4E7;--zinc-100: #F4F4F5;--zinc-50: #FAFAFA;--page-bg: #E9E9EC;--success: #16A34A;--hl-fill: #FDECC8;--hl-underline: #F0C36D;--text-1: #18181B;--text-2: #3F3F46;--text-3: #71717A;--text-4: #A1A1AA;--on-dark: #FFFFFF;--r-4: 4px;--r-8: 8px;--r-12: 12px;--r-16: 16px;--r-pill: 999px;--sh-sm: 0 1px 2px rgba(0,0,0,.06);--sh-md: 0 4px 16px rgba(0,0,0,.08);--sh-lg: 0 12px 40px rgba(0,0,0,.14);--sh-red: 0 10px 24px rgba(199,0,11,.35);--s-1: 4px;--s-2: 8px;--s-3: 12px;--s-4: 16px;--s-5: 20px;--s-6: 24px;--s-8: 32px;--s-10: 40px;--s-12: 48px;--s-16: 64px;--fs-display: 48px;--fs-h1: 32px;--fs-h2: 24px;--fs-h3: 20px;--fs-body: 15px;--fs-sm: 13px;--fs-caption: 12px;--lh-body: 1.7;--font-sans: "HarmonyOS Sans SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;--content-max: 1280px;--nav-h: 60px}@font-face{font-family:HarmonyOS Sans SC;font-weight:300;font-style:normal;font-display:swap;src:url(/assets/fonts/HarmonyOS_Sans_SC_Light.woff2) format("woff2")}@font-face{font-family:HarmonyOS Sans SC;font-weight:400;font-style:normal;font-display:swap;src:url(/assets/fonts/HarmonyOS_Sans_SC_Regular.woff2) format("woff2")}@font-face{font-family:HarmonyOS Sans SC;font-weight:500;font-style:normal;font-display:swap;src:url(/assets/fonts/HarmonyOS_Sans_SC_Medium.woff2) format("woff2")}@font-face{font-family:HarmonyOS Sans SC;font-weight:700;font-style:normal;font-display:swap;src:url(/assets/fonts/HarmonyOS_Sans_SC_Bold.woff2) format("woff2")}@font-face{font-family:HarmonyOS Sans SC;font-weight:900;font-style:normal;font-display:swap;src:url(/assets/fonts/HarmonyOS_Sans_SC_Black.woff2) format("woff2")}*{margin:0;padding:0;box-sizing:border-box}html,body,#app{height:100%}body{font-family:var(--font-sans);font-size:var(--fs-body);line-height:var(--lh-body);color:var(--text-1);background:var(--page-bg);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}a{color:var(--brand-red);text-decoration:none}a:hover{color:var(--brand-red-hover)}button{font-family:inherit;cursor:pointer;border:none;background:none}input,textarea{font-family:inherit}img{max-width:100%}::selection{background:var(--hl-fill)}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-thumb{background:var(--zinc-300);border-radius:999px}::-webkit-scrollbar-track{background:transparent}@keyframes shimmer{0%{background-position:-400px 0}to{background-position:400px 0}}.skeleton{background:linear-gradient(90deg,#eee 25%,#f7f7f7 37%,#eee 63%);background-size:800px 100%;animation:shimmer 1.4s infinite linear;border-radius:var(--r-8)}