:root{--blue: #0066ff;--blue-600: #0b5cff;--blue-700: #0047b3;--blue-300: #5a9bff;--cyan: #00d4ff;--ink: #0a1a2f;--ink-soft: #46566b;--ink-faint: #8a97a8;--bg: #ffffff;--bg-soft: #f4f8ff;--bg-soft-2: #eef4ff;--border: #e1ebf9;--border-strong: #cbdcf5;--glow: rgba(0, 102, 255, .14);--glow-strong: rgba(0, 102, 255, .3);--radius: 14px;--radius-lg: 22px;--maxw: 1200px;--shadow: 0 18px 50px -22px rgba(8, 40, 100, .35);--shadow-soft: 0 10px 30px -18px rgba(8, 40, 100, .28);--font-zh: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;--font-en: "Inter", "Segoe UI", system-ui, sans-serif;--font-display: "Sora", "Inter", "Noto Sans SC", sans-serif;--font: var(--font-en), var(--font-zh);color-scheme:light}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%}body{background:var(--bg);color:var(--ink);font-family:Inter,Noto Sans SC,PingFang SC,system-ui,sans-serif;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow:hidden}a{color:inherit;text-decoration:none}button{font-family:inherit}.grad-text{background:linear-gradient(110deg,var(--blue-700) 0%,var(--blue) 42%,var(--cyan) 100%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.section{position:relative;height:100vh;width:100%;display:flex;flex-direction:column;justify-content:center;padding:clamp(1.4rem,5vw,6rem);padding-top:clamp(5rem,9vh,8rem)}.container{width:100%;max-width:var(--maxw);margin-inline:auto}.eyebrow{display:inline-flex;align-items:center;gap:.5rem;font-size:.72rem;font-weight:600;letter-spacing:.28em;text-transform:uppercase;color:var(--blue)}.eyebrow:before{content:"";width:26px;height:2px;background:linear-gradient(90deg,var(--blue),var(--cyan));border-radius:2px}.h-title{font-family:var(--font-display);font-weight:800;line-height:1.05;letter-spacing:-.02em;font-size:clamp(2rem,5.6vw,4.4rem)}.lead{color:var(--ink-soft);font-size:clamp(1rem,1.5vw,1.25rem);line-height:1.7;max-width:46ch}.btn{display:inline-flex;align-items:center;gap:.5rem;border:1px solid transparent;border-radius:999px;padding:.85rem 1.6rem;font-weight:600;font-size:.95rem;cursor:pointer;transition:transform .2s ease,box-shadow .25s ease,background .25s ease;white-space:nowrap}.btn-primary{background:linear-gradient(120deg,var(--blue) 0%,var(--blue-600) 60%,var(--cyan) 130%);color:#fff;box-shadow:0 12px 28px -12px var(--glow-strong)}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 34px -12px var(--glow-strong)}.btn-ghost{background:#fff;border-color:var(--border-strong);color:var(--ink)}.btn-ghost:hover{border-color:var(--blue);color:var(--blue);transform:translateY(-2px)}.card{background:linear-gradient(180deg,#ffffff 0%,var(--bg-soft) 100%);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-soft)}.glass{background:#ffffffb8;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border:1px solid rgba(255,255,255,.7)}.brand-mark{display:inline-block;line-height:0}.brand-mark svg{width:100%;height:100%;display:block}.field{width:100%;background:#fff;border:1px solid var(--border-strong);border-radius:10px;padding:.8rem 1rem;font-size:.95rem;color:var(--ink);transition:border-color .2s ease,box-shadow .2s ease;font-family:inherit}.field:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 4px var(--glow)}.field::placeholder{color:var(--ink-faint)}::-webkit-scrollbar{width:0;height:0}@media(max-width:860px){.nav-links{display:none!important}}@media(max-width:720px){.section{padding-top:5.5rem}.page-dots,.hero-visual,.nav-cta{display:none!important}}