:root{--ink:#0c1626;--body:#3b4a60;--muted:#5a6b85;--soft:#8a97ab;--line:#eaf0f7;--line-strong:#d3dbe8;--blue:#2f6bff;--teal:#12b3a0;--wash:#f5f8fd;--dark:#081020}*{box-sizing:border-box}body{color:var(--ink);-webkit-font-smoothing:antialiased;background:#fff;margin:0;font-family:Source Han Sans SC,Noto Sans SC,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Helvetica Neue,Arial,sans-serif}a{color:inherit;text-decoration:none}.wrap{width:min(1200px,100% - 48px);margin:0 auto}.icon{flex:none;justify-content:center;align-items:center;display:inline-flex}.nav{border-bottom:1px solid var(--line);background:#fff}.nav .wrap{justify-content:space-between;align-items:center;gap:24px;height:76px;display:flex}.brand{align-items:center;gap:10px;display:flex}.brand-mark{background:var(--blue);color:#fff;letter-spacing:.4px;border-radius:10px;justify-content:center;align-items:center;width:36px;height:36px;font-size:13px;font-weight:800;display:flex}.brand-text{flex-direction:column;gap:2px;display:flex}.brand-name{font-size:18px;font-weight:700;line-height:1.15}.brand-sub{letter-spacing:1.35px;color:var(--soft);font-size:10px;font-weight:500}.nav-actions{align-items:center;gap:12px;display:flex}.btn{cursor:pointer;white-space:nowrap;border:1px solid #0000;border-radius:8px;justify-content:center;align-items:center;gap:8px;font-weight:500;display:inline-flex}.btn-login{border-color:var(--line-strong);height:40px;padding:0 16px;font-size:14px}.btn-primary{background:var(--blue);color:#fff;height:44px;padding:0 22px;font-size:14px}.btn-primary:hover{background:#245eea}.btn-ghost{border-color:var(--line-strong);color:var(--ink);background:#fff}.btn-lg{border-radius:10px;height:52px;padding:0 28px;font-size:16px}.hero{background:linear-gradient(#f2f6fe 0%,#fff 100%);padding:72px 0 56px}.breadcrumb{color:var(--soft);align-items:center;gap:8px;font-size:13px;display:flex}.breadcrumb a:hover{color:var(--blue)}.eyebrow{color:var(--blue);align-items:center;gap:8px;font-size:14px;font-weight:500;display:inline-flex}.eyebrow:before{content:"";background:var(--blue);border-radius:2px;width:5px;height:16px}.hero h1{letter-spacing:-1px;max-width:900px;margin:18px 0 0;font-size:46px;line-height:1.22}.hero-sub{max-width:820px;color:var(--muted);margin:18px 0 0;font-size:17px;line-height:1.75}.hero-actions{flex-wrap:wrap;gap:12px;margin-top:32px;display:flex}.plans{padding:64px 0 72px}.plan-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;display:grid}.plan{border:1px solid var(--line);background:#fff;border-radius:20px;flex-direction:column;padding:28px;display:flex}.plan.featured{border-color:var(--blue);box-shadow:0 18px 48px #2f6bff1f}.plan-tag{height:26px;color:var(--blue);background:#e7effb;border-radius:13px;align-self:flex-start;align-items:center;padding:0 10px;font-size:12px;font-weight:600;display:inline-flex}.plan h2{margin:16px 0 0;font-size:21px;line-height:1.35}.plan .positioning{color:var(--muted);margin:8px 0 0;font-size:14px;line-height:1.6}.plan .price{letter-spacing:-1px;color:var(--ink);margin:22px 0 0;font-size:34px;font-weight:700;line-height:1}.plan .price small{color:var(--soft);letter-spacing:0;margin-left:6px;font-size:13px;font-weight:400}.specs{flex-wrap:wrap;gap:8px;margin-top:18px;display:flex}.spec{background:var(--wash);height:28px;color:var(--body);border-radius:14px;align-items:center;padding:0 10px;font-size:12px;display:inline-flex}.plan ul{flex-direction:column;gap:10px;margin:20px 0 0;padding:0;list-style:none;display:flex}.plan li{color:var(--body);gap:8px;font-size:14px;line-height:1.55;display:flex}.plan li .icon{color:var(--teal);margin-top:2px}.plan .btn{width:100%;margin-top:auto}.plan-cta{margin-top:28px}.note{color:var(--soft);margin:24px 0 0;font-size:12px;line-height:1.7}.cta{background:var(--dark);color:#fff;padding:48px 0}.cta .wrap{justify-content:space-between;align-items:center;gap:28px;display:flex}.cta h2{margin:0;font-size:26px;line-height:1.35}.cta p{color:#9fb0c9;margin:8px 0 0;font-size:14px}.cta-actions{flex:none;gap:12px;display:flex}.cta-actions .btn-primary{height:48px}.cta-actions .btn-ghost{color:#d5e0ef;background:0 0;border-color:#2e4a70;height:48px;padding:0 24px;font-size:14px}.footer{background:var(--dark);color:#71849e;padding:24px 0;font-size:12px}.footer .wrap{justify-content:space-between;align-items:center;gap:16px;display:flex}@media (width<=1000px){.plan-grid{grid-template-columns:1fr}.hero h1{font-size:38px}}@media (width<=640px){.wrap{width:calc(100% - 32px)}.nav-actions .btn-login{display:none}.hero{padding:48px 0 40px}.hero h1{font-size:30px}.hero-sub{font-size:15px}.hero-actions .btn{flex:1}.plans{padding:40px 0 48px}.cta .wrap{flex-direction:column;align-items:flex-start}.cta-actions{width:100%}.cta-actions .btn{flex:1}.footer .wrap{flex-direction:column;align-items:flex-start}}