:root{--color-primary: #2b5aed;--color-primary-dark: #1e45c8;--color-primary-light: #eef2ff;--color-text: #111827;--color-text-secondary: #6b7280;--color-text-light: #9ca3af;--color-border: #e5e7eb;--color-bg: #ffffff;--color-bg-soft: #f7f8fa;--color-bg-gray: #f3f4f6;--container-width: 1480px;--header-height: 72px;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 20px;--radius-xl: 28px;--radius-pill: 999px;--shadow-soft: 0 8px 40px rgba(15, 23, 42, .06);--shadow-card: 0 4px 24px rgba(15, 23, 42, .05);--shadow-float: 0 24px 64px rgba(15, 23, 42, .12);--font-nav: "Alimama ShuHeiTi", "PingFang SC", "Microsoft YaHei", sans-serif}@font-face{font-family:Alimama ShuHeiTi;src:url(/assets/AlimamaShuHeiTi-Bold-oZI_x9cA.woff2) format("woff2");font-weight:100 900;font-style:normal;font-display:swap}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:var(--font-nav);color:var(--color-text);background:var(--color-bg);line-height:1.6;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}ul{list-style:none}img{max-width:100%;display:block}button{font-family:inherit;cursor:pointer;border:none;background:none}.container{width:100%;max-width:var(--container-width);margin:0 auto;padding:0 24px}.section-eyebrow{font-size:13px;font-weight:500;color:var(--color-text-light);letter-spacing:.04em;margin-bottom:12px}.section-title{font-size:clamp(28px,4vw,40px);font-weight:700;color:var(--color-text);letter-spacing:-.02em;line-height:1.25;margin-bottom:16px}.section-subtitle{font-size:16px;color:var(--color-text-secondary);line-height:1.75;max-width:560px}.section-head-center{text-align:center;margin-bottom:48px}.section-head-center .section-subtitle{margin:0 auto}.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-width:148px;height:48px;padding:0 28px;border-radius:8px;font-size:15px;font-weight:600;line-height:1;border:1.5px solid transparent;transition:background .2s ease,border-color .2s ease,color .2s ease}.btn-primary{background:#2b5aed;border-color:#2b5aed;color:#fff}.btn-primary:hover{background:#1e45c8;border-color:#1e45c8}.btn-secondary{color:#2b5aed;background:transparent;border-color:#2b5aed;padding:0 28px}.btn-secondary:hover{background:#2b5aed0f;color:#2b5aed}.btn-dark{background:#2b5aed;border-color:#2b5aed;color:#fff;border-radius:8px;padding:0 28px;height:48px;font-size:14px;font-weight:600;display:inline-flex;align-items:center;justify-content:center}.btn-dark:hover{background:#1e45c8;border-color:#1e45c8}.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--color-primary);font-size:14px;font-weight:500;transition:gap .2s ease}.link-arrow:hover{gap:10px}.link-arrow svg{width:16px;height:16px}[data-reveal]{opacity:0;transform:translateY(10px);transition:opacity .5s ease,transform .5s ease;will-change:opacity,transform}[data-reveal].is-revealed{opacity:1;transform:translateY(0);will-change:auto}@media (prefers-reduced-motion: reduce){[data-reveal]{opacity:1;transform:none;transition:none}}.ui-card{background:#fff;border:1px solid rgba(15,23,42,.06);border-radius:14px;box-shadow:0 1px 2px #0f172a0a;transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease}.ui-card:hover{transform:translateY(-3px);border-color:#0f172a1a;box-shadow:0 4px 12px #0f172a0d,0 12px 28px #0f172a0f}