:root{--bg:#1C1C1E;--deep:#141416;--panel:#2A2A2E;--panel2:#323238;--text:#D8D8DC;--muted:#A0A0A8;--soft:#7A7A82;--silver:#C8C8D0;--blue:#6A8AAA;--line:rgba(200,200,208,.16);--focus:rgba(106,138,170,.48);--shadow:0 12px 28px rgba(0,0,0,.28)}
*{box-sizing:border-box}html{background:var(--bg);color:var(--text);scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;font-size:15px;line-height:1.7;overflow-x:hidden}a{color:inherit;text-decoration:none}a:focus-visible,button:focus-visible{outline:2px solid var(--blue);outline-offset:2px}img{display:block;max-width:100%;height:auto}.wrap{width:min(980px,calc(100% - 32px));margin:0 auto}.topline{position:fixed;z-index:50;top:0;left:0;right:0;height:20px;background:#101012;border-bottom:1px solid var(--line)}.topline .wrap{display:flex;align-items:center;justify-content:space-between;height:100%;font-size:12px;color:var(--silver)}.plainbtn{appearance:none;border:0;background:none;color:inherit;font:inherit;cursor:pointer;padding:0}.brandbar{position:fixed;z-index:49;top:20px;left:0;right:0;height:54px;background:var(--bg);border-bottom:1px solid var(--focus)}.brandbar .wrap{height:100%;display:flex;align-items:center;justify-content:space-between;gap:14px}.brand-home{display:flex;align-items:center;gap:10px;min-width:0}.brand-home img{height:24px;width:auto;max-width:160px;object-fit:contain}.brand-name{font-size:16px;font-weight:700;white-space:nowrap}.brand-actions{display:flex;align-items:center;gap:8px}.brand-actions a,.brand-actions button{min-height:44px;display:inline-flex;align-items:center;padding:0 12px;border:1px solid var(--line);border-radius:8px;background:var(--panel);color:#F2F2F4;cursor:pointer}.track{position:fixed;z-index:48;top:74px;left:0;right:0;height:42px;background:var(--panel);border-bottom:1px solid var(--line)}.track .wrap{height:100%;display:flex;justify-content:center;align-items:center;gap:6px}.track a{min-height:34px;padding:6px 18px;border-radius:7px;display:flex;align-items:center;font-size:13px}.track 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var(--line);border-radius:8px;padding:16px}.product{text-align:center}.product .media{display:flex;justify-content:center;align-items:center;gap:18px;flex-wrap:wrap;margin-bottom:14px}.product .media img.app{max-height:320px;width:auto;object-fit:contain}.product .media img.icon{width:48px;height:48px;object-fit:contain}.product p{max-width:700px;margin:0 auto}.faq-list{display:grid;gap:10px}.faq-item{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:16px}.faq-item h3{margin-bottom:6px}.page-head{padding:12px 0 20px}.eyebrow{font-size:12px;color:var(--blue);letter-spacing:.08em;text-transform:uppercase}.page-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.single-column{display:grid;gap:14px}.center-card{max-width:760px;margin:0 auto;text-align:left}.notice{border-left:3px solid var(--blue);padding:12px 14px;background:var(--deep);border-radius:0 8px 8px 0;color:var(--silver)}.banner-wrap{margin:8px 0 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var(--focus);border-radius:10px;box-shadow:var(--shadow);padding:18px;opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.modal.open{opacity:1;visibility:visible;pointer-events:auto;transform:translate(-50%,-50%)}.modal-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:14px}.modal-title{display:flex;align-items:center;gap:10px}.modal-title img{height:24px;width:auto;object-fit:contain}.menu-groups{display:grid;grid-template-columns:1fr 1fr;gap:16px}.menu-groups h3{color:var(--silver)}.menu-groups a{display:block;padding:10px;border-radius:8px;background:var(--deep);margin:7px 0}.menu-groups a span{display:block;font-size:12px;color:var(--muted)}.searchbox{position:fixed;z-index:95;top:78px;left:50%;transform:translateX(-50%);width:min(760px,calc(100% - 32px));background:var(--panel);border:1px solid 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