:root{--ink:#15212b;--muted:#68737d;--paper:#f3f5f6;--panel:#fff;--line:#d9dfe3;--green:#176642;--danger:#a13b36}*{box-sizing:border-box}html,body{min-height:100%;margin:0}body{color:var(--ink);background:var(--paper);font-family:Microsoft YaHei,Segoe UI,sans-serif}button,input{font:inherit}a{color:inherit}h1{letter-spacing:0;margin:8px 0 12px;font-size:36px;line-height:1.15}h2{letter-spacing:0}.shell{width:min(1080px,100% - 28px);margin:0 auto;padding:24px 0 52px}.hero{justify-content:space-between;align-items:flex-end;gap:20px;margin-bottom:18px;display:flex}.eyebrow{color:var(--green);text-transform:uppercase;font-size:12px;font-weight:800}.lead,.status{color:var(--muted);line-height:1.6}.card{background:var(--panel);border:1px solid var(--line);border-radius:8px}.panel{margin-bottom:16px;padding:20px}.login-card{width:min(520px,100%);margin:10vh auto;padding:28px}.field{border:1px solid var(--line);width:100%;min-height:46px;color:var(--ink);background:#fff;border-radius:7px;margin:6px 0 12px;padding:10px 12px}.button{background:var(--ink);color:#fff;cursor:pointer;border:0;border-radius:7px;justify-content:center;align-items:center;min-height:42px;padding:9px 14px;font-weight:800;text-decoration:none;display:inline-flex}.button.secondary{border:1px solid var(--line);color:var(--ink);background:#fff}.button.accent{background:var(--green)}.button.danger{color:var(--danger);background:#fff;border:1px solid #e0b9b6}.actions{flex-wrap:wrap;align-items:center;gap:10px;margin-top:14px;display:flex}.a4-preview{aspect-ratio:2480/3508;object-fit:contain;border:1px solid var(--line);background:#fff;width:100%;display:block}.table-wrap{width:100%;overflow-x:auto}.admin-table{border-collapse:collapse;width:100%;min-width:640px}.admin-table th,.admin-table td{border-bottom:1px solid var(--line);text-align:left;vertical-align:top;padding:12px}.thumb{border:1px solid var(--line);background:#fff;width:90px}.download-page{width:min(920px,100% - 32px);margin:0 auto;padding:48px 0 36px}.download-header{border-bottom:1px solid #ccd4d9;justify-content:space-between;align-items:flex-end;gap:28px;padding-bottom:30px;display:flex}.download-header h1{margin:10px 0;font-size:42px}.download-header p{color:#596670;max-width:640px;margin:0;font-size:16px;line-height:1.7}.product-mark{color:var(--green);align-items:center;gap:8px;font-size:13px;font-weight:900;display:flex}.release-version{color:#5d6871;flex:none;font-size:14px}.release-list{gap:14px;padding:24px 0;display:grid}.release-card{background:#fff;border:1px solid #d2d9dd;border-radius:8px;grid-template-columns:58px minmax(0,1fr) auto;align-items:center;gap:18px;min-height:116px;padding:20px;display:grid}.release-icon{background:var(--green);color:#fff;border-radius:8px;place-items:center;width:56px;height:56px;display:grid}.release-icon.windows{background:#25313c}.release-copy h2{margin:0 0 6px;font-size:19px}.release-copy p{color:var(--muted);margin:0;font-size:14px;line-height:1.55}.download-button{background:var(--green);color:#fff;border-radius:7px;justify-content:center;align-items:center;gap:8px;min-width:130px;min-height:46px;padding:10px 16px;font-size:14px;font-weight:800;text-decoration:none;display:inline-flex}.secondary-download{background:#25313c}.download-footer{color:#77828a;text-align:center;padding-top:8px;font-size:13px}@media (max-width:680px){.shell,.download-page{width:min(100% - 20px,920px);padding-top:20px}.hero,.download-header{flex-direction:column;align-items:flex-start;gap:14px}.download-header h1{font-size:34px}.release-card{grid-template-columns:48px minmax(0,1fr);gap:14px}.release-icon{width:48px;height:48px}.download-button{grid-column:1/-1;width:100%}}