:root{--bg:#f6f8fc;--surface:#ffffff;--surface-alt:#f3f6ff;--text:#161b2e;--muted:#5f6786;--primary:#3d67ff;--primary-strong:#2249dc;--line:#dce3f4;--line-strong:#c8d3ef;--max-width:1180px;--radius:20px}*{box-sizing:border-box}body,html{margin:0;padding:0;background:radial-gradient(circle at 10% 0,#e7eeff 0,var(--bg) 38%);color:var(--text);font-family:PingFang SC,Hiragino Sans GB,Noto Sans SC,Microsoft YaHei,sans-serif}a{color:inherit;text-decoration:none}main{min-height:calc(100vh - 160px)}.container{width:min(var(--max-width),calc(100% - 2rem));margin:0 auto}.header{position:-webkit-sticky;position:sticky;top:0;z-index:10;border-bottom:1px solid var(--line);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:rgba(246,248,252,.88)}.header-inner{justify-content:space-between;gap:1rem;min-height:72px}.brand,.header-inner{display:flex;align-items:center}.brand{gap:.75rem;font-weight:600;font-size:.95rem}.brand-mark{width:2rem;height:2rem;border-radius:999px;display:grid;place-items:center;color:#ffffff;font-weight:700;background:linear-gradient(130deg,#456cff,#5cb3ff)}.nav{display:flex;flex-wrap:wrap;gap:1.2rem}.nav a{color:var(--muted);font-size:.95rem;transition:color .2s ease}.nav a:hover{color:var(--text)}.hero{padding:4.2rem 0 3.2rem}.hero-grid{display:grid;grid-gap:1.4rem;gap:1.4rem;grid-template-columns:1.2fr .8fr;align-items:stretch}.tag{display:inline-flex;align-items:center;padding:.35rem .8rem;border-radius:999px;border:1px solid var(--line-strong);color:#3552ba;background:#f3f6ff;font-size:.82rem;margin-bottom:1rem}h1,h2,h3,p{margin:0}h1{font-size:clamp(2rem,4vw,3.2rem);line-height:1.15;letter-spacing:.01em}h2{font-size:clamp(1.4rem,2vw,2rem);line-height:1.25}h3{font-size:1.12rem}.lead{margin-top:1rem;color:var(--muted);line-height:1.8;max-width:780px}.actions{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:1.4rem}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;border-radius:12px;padding:0 1.2rem;font-size:.95rem;font-weight:600;border:1px solid transparent}.btn-primary{background:linear-gradient(120deg,var(--primary),#4da7ff);color:#ffffff}.btn-primary:hover{background:linear-gradient(120deg,var(--primary-strong),#41a9ff)}.btn-secondary{background:#ffffff;border-color:var(--line-strong);color:#2e3a70}.section{padding:3.2rem 0}.section-alt{background:linear-gradient(180deg,rgba(77,120,255,.03),rgba(77,120,255,.07))}.grid{display:grid;grid-gap:1rem;gap:1rem;margin-top:1.3rem}.cards-3{grid-template-columns:repeat(3,minmax(0,1fr))}.two-col{grid-template-columns:repeat(2,minmax(0,1fr))}.card{border:1px solid var(--line);background:linear-gradient(180deg,var(--surface) 0,var(--surface-alt) 100%);border-radius:var(--radius);padding:1.35rem;box-shadow:0 12px 34px rgba(43,66,148,.08)}.card ul{margin:.9rem 0 0;padding:0;list-style:none;display:grid;grid-gap:.85rem;gap:.85rem}.card li{display:grid;grid-gap:.2rem;gap:.2rem;color:var(--muted);line-height:1.65}.card>p:not(.eyebrow){margin-top:.75rem;color:var(--muted);line-height:1.75}.card strong{color:var(--text);font-weight:600}.eyebrow{color:#4a67cc;font-size:.82rem;margin-bottom:.4rem}.timeline{display:grid;grid-gap:.8rem;gap:.8rem;margin-top:1rem}.timeline-item{border:1px solid var(--line);border-radius:14px;padding:.9rem 1rem;background:#ffffff;line-height:1.65;color:#2c3556}.glow-card{box-shadow:0 0 0 1px rgba(94,128,255,.18),0 24px 42px rgba(57,88,189,.16)}.hero-logo{border-radius:12px;margin-bottom:.9rem}.footer{border-top:1px solid var(--line);margin-top:2.4rem}.footer-inner{min-height:88px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:.8rem;color:var(--muted);font-size:.9rem}.product-card{display:flex;flex-direction:column;gap:.65rem}.card-link{margin-top:auto;color:var(--primary);font-weight:600}.card-link:hover{color:var(--primary-strong)}.about-legal-card{grid-column:1/-1}@media (max-width:1024px){.hero-grid{grid-template-columns:1fr}.cards-3{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width:760px){.header-inner{align-items:flex-start;flex-direction:column;padding:.85rem 0}.hero{padding:2.8rem 0 2.2rem}.cards-3,.two-col{grid-template-columns:1fr}.section{padding:2.2rem 0}}