:root{--bg:#E8F3F4;--deep:#D4E8EA;--card:#F7FCFC;--sub:#DCECEE;--title:#0A3D4A;--text:#1E4A54;--muted:#4A737C;--soft:#7A8F93;--lake:#1A6B7A;--green:#2E9A8F;--night:#08222A;--gold:#D4B46A;--white:#F2F7F8;--mist:#7DB8B0;--line:rgba(10,61,74,.16);--strong:rgba(46,154,143,.40);--shadow:0 16px 36px rgba(8,34,42,.10)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;font-size:16px;line-height:1.75;overflow-x:hidden}body.locked{overflow:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}.wrap{width:min(1220px,calc(100% - 32px));margin:auto}.site-head{position:fixed;inset:0 0 auto 0;z-index:100}.star-rail{height:22px;background:var(--night);color:var(--white);font-size:12px}.rail-inner{height:22px;display:flex;align-items:center;justify-content:space-between}.text-btn{border:0;background:transparent;color:var(--white);padding:0 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a.active{background:var(--lake);color:var(--white)}main{padding-top:130px}.section{padding:42px 0}.hero{padding-top:28px}.visual-slot{background:var(--night);border-radius:18px;min-height:220px;display:flex;align-items:center;justify-content:center;overflow:hidden;box-shadow:var(--shadow)}.visual-slot img{width:100%;height:100%;max-height:300px;object-fit:contain;object-position:center;background:var(--white)}.visual-slot .fallback{color:var(--white);font-size:30px;font-weight:700;letter-spacing:2px}.eyebrow{font-size:14px;color:var(--green);font-weight:700;letter-spacing:.08em;margin-top:22px}.hero h1,.page-head h1{font-size:clamp(28px,4vw,32px);line-height:1.25;color:var(--title);margin:7px 0 14px}.lead{max-width:860px;font-size:17px}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:20px}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 18px;border-radius:12px;background:linear-gradient(135deg,#2E9A8F 0%,#1A6B7A 55%,#0A3D4A 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