:root{color-scheme:light;--bg:#f3f6fa;--panel:#fff;--ink:#243247;--muted:#52647a;--line:#d8e1ed;--blue:#2363d1;--blue-hover:#1d55b5}
*{box-sizing:border-box}
body{margin:0;min-height:100vh;display:flex;flex-direction:column;background:var(--bg);color:var(--ink);font:15px/1.6 "Microsoft YaHei UI","Microsoft YaHei","Segoe UI",sans-serif}
a{color:var(--blue);text-decoration:none}
a:focus-visible,summary:focus-visible{outline:3px solid #2363d166;outline-offset:5px;border-radius:6px}
.topbar{width:min(1080px,100%);margin:0 auto;padding:25px 32px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);font-size:17px;font-weight:600;white-space:nowrap}
.brand img,.product-icon{object-fit:contain}
.management{display:inline-flex;align-items:center;gap:7px;min-height:44px;padding:5px 0;white-space:nowrap;font-size:14px}
.management:hover{text-decoration:underline;text-underline-offset:4px}
main{flex:1;display:grid;place-items:center;padding:38px 24px 62px}
.download-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;width:min(1080px,100%)}
.download-card{width:100%;padding:40px 30px 34px;background:var(--panel);border:1px solid var(--line);border-radius:18px;text-align:center;box-shadow:0 12px 38px #24324706}
.product-icon{display:block;margin:0 auto 22px}
.eyebrow{margin:0 0 8px;font-size:13px;letter-spacing:.06em;color:var(--muted)}
h2{margin:0;font-size:30px;line-height:1.35;font-weight:650;letter-spacing:.04em}
.version{display:inline-block;margin:15px 0 0;padding:3px 13px;border-radius:6px;background:#f1f5fa;color:var(--muted);font-size:13px;font-variant-numeric:tabular-nums}
.download-area{margin-top:34px}
.download-button{min-height:52px;min-width:248px;padding:13px 25px;display:inline-flex;align-items:center;justify-content:center;gap:11px;border:1px solid var(--blue);border-radius:9px;background:var(--blue);color:#fff;font-size:16px;font-weight:600;cursor:pointer;transition:background-color .16s,border-color .16s}
.download-button:hover{background:var(--blue-hover);border-color:var(--blue-hover)}
.download-button[aria-disabled="true"]{cursor:default;background:#e9eef5;border-color:#d8e1ed;color:#69778a;pointer-events:none}
.release-status{min-height:22px;margin:12px 0 0;color:var(--muted);font-size:12px;font-variant-numeric:tabular-nums}
.install-note{margin:26px 0 0;padding-top:24px;border-top:1px solid #e8edf4;color:var(--muted);font-size:13px}
.checksum{margin:18px 0 0;text-align:left;color:var(--muted);font-size:12px}
.checksum summary{width:fit-content;margin:auto;cursor:pointer;min-height:26px}
.checksum code{display:block;margin-top:9px;padding:12px;background:#f3f6fa;border-radius:6px;color:var(--ink);font:12px/1.7 Consolas,monospace;overflow-wrap:anywhere;user-select:all}
.no-script{margin:14px 0 0;font-size:12px;color:var(--muted)}
footer{padding:20px 24px 26px;text-align:center;color:var(--muted);font-size:12px}
footer span{padding:0 9px}
[hidden]{display:none!important}
@media(max-width:520px){.topbar{padding:17px 20px;gap:12px}.brand{font-size:16px;gap:8px}.brand img{width:30px;height:30px}.management{font-size:13px}main{padding:20px 16px 32px}.download-card{padding:33px 22px 28px;border-radius:14px}.product-icon{width:66px;height:66px;margin-bottom:20px}h2{font-size:28px}.download-button{width:100%;min-width:0}.download-area{margin-top:28px}.install-note{margin-top:22px;padding-top:22px}footer{padding-bottom:20px}}
@media(prefers-reduced-motion:reduce){.download-button{transition:none}}

.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@media(max-width:760px){.download-grid{grid-template-columns:minmax(0,1fr);max-width:610px}}