*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--blue: #4e6ef2;--blue-dark: #3a56d4;--blue-light: #eef1fe;--blue-mid: #c5cef9;--gray-1: #f7f8fa;--gray-2: #e8eaf0;--gray-3: #c2c6d4;--gray-4: #8891aa;--gray-5: #4b5166;--text: #1a1d2e;--white: #ffffff;--green: #22c55e;--orange: #f59e0b;--red: #ef4444;--radius: 12px;--radius-sm: 8px;--nav-h: 60px;--font: "Noto Sans SC", sans-serif}html{scroll-behavior:smooth}body{font-family:var(--font);color:var(--text);background:var(--white);-webkit-font-smoothing:antialiased}a{text-decoration:none;color:inherit}.btn-primary{background:var(--blue);color:var(--white);border:none;font-size:14px;font-weight:500;cursor:pointer;padding:8px 18px;border-radius:var(--radius-sm);transition:background .2s,transform .15s;font-family:var(--font);white-space:nowrap}.btn-primary:hover{background:var(--blue-dark);transform:translateY(-1px)}.btn-ghost{background:none;border:none;color:var(--gray-5);font-size:14px;font-weight:500;cursor:pointer;padding:6px 12px;border-radius:var(--radius-sm);transition:color .2s,background .2s;font-family:var(--font)}.btn-ghost:hover{color:var(--blue);background:var(--blue-light)}.btn-large{padding:14px 36px;border-radius:12px;font-size:16px;font-weight:600;cursor:pointer;font-family:var(--font);transition:all .2s;display:inline-flex;align-items:center;gap:8px}.btn-large-primary{background:var(--blue);color:var(--white);border:none;box-shadow:0 4px 16px #4e6ef24d}.btn-large-primary:hover{background:var(--blue-dark);transform:translateY(-2px)}