:root{--bg:#f5f7fb;--card:#ffffff;--text:#1b2430;--muted:#5b6778;--brand:#1d6cdf;--brand2:#0fa3b1;--line:#dfe6ef;--danger:#e75a5a;--shadow:0 20px 45px rgba(31,45,61,.10)}
*{box-sizing:border-box}body{margin:0;font-family:Inter,Arial,'Noto Sans SC','Microsoft YaHei',sans-serif;color:var(--text);background:linear-gradient(180deg,#eef5ff 0,#f8fafc 45%,#fff 100%);line-height:1.65}.topbar{background:#0d1b2a;color:#dce8f8;font-size:14px;padding:8px 20px;text-align:center}.nav{position:sticky;top:0;z-index:10;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}.nav-inner{max-width:1120px;margin:auto;display:flex;align-items:center;gap:18px;padding:14px 20px}.brand{font-weight:800;font-size:22px;text-decoration:none;color:var(--text);letter-spacing:.2px}.brand span{color:var(--brand)}.menu{margin-left:auto;display:flex;gap:12px;flex-wrap:wrap}.menu a{color:var(--muted);text-decoration:none;padding:8px 10px;border-radius:10px;font-weight:600}.menu a:hover,.menu a.active{background:#eaf2ff;color:var(--brand)}.lang{border:1px solid var(--line);background:#fff;border-radius:999px;padding:7px 12px;cursor:pointer;font-weight:700;color:var(--text)}.hero{max-width:1120px;margin:0 auto;padding:72px 20px 46px;display:grid;grid-template-columns:1.15fr .85fr;gap:36px;align-items:center}.badge{display:inline-flex;gap:8px;align-items:center;background:#e8f7f8;color:#087d88;border:1px solid #c8eef1;border-radius:999px;padding:8px 13px;font-weight:800;font-size:13px}.hero h1{font-size:54px;line-height:1.06;margin:18px 0}.hero p{font-size:19px;color:var(--muted);max-width:680px}.actions{display:flex;gap:12px;margin-top:26px;flex-wrap:wrap}.btn{display:inline-block;border:0;border-radius:14px;padding:13px 18px;font-weight:800;text-decoration:none}.primary{background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff}.secondary{background:#fff;color:var(--brand);border:1px solid var(--line)}.visual{background:var(--card);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:28px;padding:24px}.radar{height:280px;border-radius:22px;background:radial-gradient(circle at 50% 50%,rgba(15,163,177,.35) 0 8%,transparent 9% 17%,rgba(29,108,223,.18) 18% 19%,transparent 20% 33%,rgba(15,163,177,.18) 34% 35%,transparent 36% 49%,rgba(29,108,223,.12) 50% 51%,transparent 52%),linear-gradient(135deg,#e9f3ff,#f8fbff);position:relative;overflow:hidden}.radar:after{content:"";position:absolute;inset:50% 0 0 50%;width:50%;height:2px;background:#1d6cdf;transform-origin:0 0;animation:sweep 3.5s linear infinite}@keyframes sweep{to{transform:rotate(360deg)}}.section{max-width:1120px;margin:0 auto;padding:42px 20px}.section h2{font-size:34px;margin:0 0 12px}.lead{color:var(--muted);font-size:18px;max-width:840px}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:24px}.card{background:var(--card);border:1px solid var(--line);border-radius:22px;padding:22px;box-shadow:0 10px 25px rgba(31,45,61,.06)}.card h3{margin:8px 0 8px;font-size:22px}.card p{color:var(--muted);margin:0}.icon{font-size:32px}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.stat{background:#0d1b2a;color:#fff;border-radius:20px;padding:20px}.stat strong{font-size:30px;display:block}.content{max-width:900px;margin:0 auto;padding:48px 20px}.content h1{font-size:44px;margin-bottom:12px}.content h2{margin-top:32px}.content p,.content li{color:#4e5968}.notice{border-left:5px solid var(--danger);background:#fff5f5;padding:18px;border-radius:14px;margin:22px 0}.footer{margin-top:50px;background:#0d1b2a;color:#b8c6d8;padding:34px 20px;text-align:center}.footer a{color:#fff}@media(max-width:860px){.hero{grid-template-columns:1fr;padding-top:44px}.hero h1{font-size:40px}.grid,.stats{grid-template-columns:1fr}.menu{display:none}}