.download-section{padding:20px 0 16px}.download-cards{grid-template-columns:repeat(3,1fr);gap:18px;display:grid}.download-card{background:#fff;border:1px solid #e2e8f0;border-radius:14px;padding:24px;transition:all .3s;position:relative;overflow:hidden}.download-card:before{content:"";border-radius:16px 16px 0 0;height:3px;transition:transform .4s;position:absolute;top:0;left:0;right:0;transform:scaleX(0)}.download-card:hover:before{transform:scaleX(1)}.download-card:hover{border-color:#fecaca;transform:translateY(-6px);box-shadow:0 16px 48px #00000014}.download-card.windows:before{background:linear-gradient(90deg,#0078d4,#00bcf2)}.download-card.macos:before{background:linear-gradient(90deg,#a855f7,#7c3aed)}.card-header{align-items:center;gap:14px;margin-bottom:14px;display:flex}.card-icon{border-radius:12px;flex-shrink:0;justify-content:center;align-items:center;width:48px;height:48px;font-size:1.8rem;display:flex}.card-icon.windows{background:linear-gradient(135deg,#e8f4fd,#d4edfc)}.card-icon.macos{background:linear-gradient(135deg,#f5f3ff,#ede9fe)}.card-title h3{color:#0f172a;white-space:nowrap;text-overflow:ellipsis;margin-bottom:4px;font-size:1.15rem;font-weight:700;overflow:hidden}.card-title p{color:#94a3b8;white-space:nowrap;text-overflow:ellipsis;font-size:.82rem;overflow:hidden}.card-info{margin-bottom:14px}.card-info-row{color:#475569;align-items:center;gap:8px;padding:6px 0;font-size:.85rem;display:flex}.card-info-row .label{color:#94a3b8;min-width:70px}.card-info-row .value{font-weight:600}.card-info-row .value.loading{vertical-align:middle;background:linear-gradient(90deg,#f1f5f9 25%,#e2e8f0 50%,#f1f5f9 75%) 0 0/200% 100%;border-radius:4px;width:80px;height:14px;animation:1.5s infinite shimmer;display:inline-block}@keyframes shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}.card-tags{flex-wrap:wrap;gap:8px;margin-bottom:14px;display:flex}.card-tag{color:#475569;background:#f1f5f9;border-radius:6px;align-items:center;gap:4px;padding:4px 10px;font-size:.75rem;font-weight:600;display:inline-flex}.card-tag.recommended{color:#dc2626;background:linear-gradient(135deg,#fef2f2,#fff7ed);border:1px solid #fecaca}.btn-download-card{cursor:pointer;color:#fff;white-space:normal;text-align:center;border:none;border-radius:10px;justify-content:center;align-items:center;gap:8px;width:100%;min-height:48px;padding:12px 20px;font-size:.92rem;font-weight:700;text-decoration:none;transition:all .3s;display:flex}.btn-download-card:hover{text-decoration:none;transform:translateY(-2px)}.btn-download-card.windows{background:linear-gradient(135deg,#2563eb,#3b82f6);box-shadow:0 4px 20px #2563eb59}.btn-download-card.windows:hover{box-shadow:0 8px 30px #2563eb80}.btn-download-card.macos{background:linear-gradient(135deg,#a855f7,#7c3aed);box-shadow:0 4px 20px #a855f759}.btn-download-card.macos:hover{box-shadow:0 8px 30px #a855f780}.btn-download-card svg{flex-shrink:0;width:20px;height:20px}.trust-bar{text-align:center;padding:20px 0 8px}.trust-items{flex-wrap:wrap;justify-content:center;align-items:center;gap:28px;margin-bottom:12px;display:flex}.trust-item{color:#475569;align-items:center;gap:6px;font-size:.82rem;font-weight:600;display:flex}.trust-item svg{color:#22c55e;flex-shrink:0}.version-badge{color:#dc2626;background:linear-gradient(135deg,#fef2f2,#fff7ed);border:1px solid #fecaca;border-radius:999px;align-items:center;gap:6px;padding:5px 14px;font-size:.82rem;font-weight:600;display:inline-flex}.requirements-section{background:#f8fafc;padding:60px 0}.requirements-title{color:#0f172a;text-align:center;margin-bottom:40px;font-size:1.5rem;font-weight:800}.requirements-grid{grid-template-columns:repeat(2,1fr);gap:24px;display:grid}.req-card{background:#fff;border:1px solid #e2e8f0;border-radius:16px;padding:28px}.req-card h4{color:#0f172a;align-items:center;gap:8px;margin-bottom:16px;font-size:1rem;font-weight:700;display:flex}.req-card ul{list-style:none}.req-card ul li{color:#475569;align-items:flex-start;gap:8px;padding:6px 0;font-size:.85rem;display:flex}.req-card ul li:before{content:"✓";color:#22c55e;flex-shrink:0;font-weight:700}.tips-section{padding:60px 0}.tips-title{color:#0f172a;text-align:center;margin-bottom:40px;font-size:1.5rem;font-weight:800}.tips-grid{grid-template-columns:repeat(2,1fr);gap:24px;max-width:900px;margin:0 auto;display:grid}.tip-card{background:#fff;border:1px solid #e2e8f0;border-radius:12px;padding:24px}.tip-card h4{color:#0f172a;margin-bottom:8px;font-size:.95rem;font-weight:700}.tip-card p{color:#64748b;font-size:.85rem;line-height:1.7}.thanks-page{justify-content:center;align-items:center;min-height:60vh;padding:60px 20px;display:flex}.thanks-card{text-align:center;background:#fff;border:1px solid #f1f5f9;border-radius:20px;width:100%;max-width:480px;padding:48px 40px;box-shadow:0 4px 40px #0000000f}.thanks-icon{margin-bottom:24px}.thanks-title{color:#0f172a;margin-bottom:10px;font-size:1.6rem;font-weight:800}.thanks-desc{color:#64748b;margin-bottom:24px;font-size:.95rem;line-height:1.6}.thanks-version{color:#475569;justify-content:center;align-items:center;gap:16px;margin-bottom:24px;font-size:.85rem;display:flex}.thanks-version span{background:#f1f5f9;border-radius:6px;align-items:center;gap:4px;padding:4px 12px;font-weight:600;display:inline-flex}.thanks-countdown{color:#2563eb;background:linear-gradient(135deg,#eff6ff,#dbeafe);border-radius:50%;justify-content:center;align-items:center;width:56px;height:56px;margin:0 auto 24px;font-size:1.5rem;font-weight:800;animation:1s ease-in-out infinite thanks-pulse;display:flex}@keyframes thanks-pulse{0%,to{transform:scale(1)}50%{transform:scale(1.08)}}.thanks-loading{justify-content:center;margin:24px 0;display:flex}.thanks-spinner{border:3px solid #e2e8f0;border-top-color:#3b82f6;border-radius:50%;width:36px;height:36px;animation:.8s linear infinite thanks-spin}@keyframes thanks-spin{to{transform:rotate(360deg)}}.thanks-btn{color:#fff;background:linear-gradient(135deg,#2563eb,#3b82f6);border-radius:10px;justify-content:center;align-items:center;gap:8px;padding:12px 32px;font-size:.95rem;font-weight:700;text-decoration:none;transition:all .3s;display:inline-flex;box-shadow:0 4px 16px #2563eb4d}.thanks-btn:hover{color:#fff;transform:translateY(-2px);box-shadow:0 8px 24px #2563eb66}.thanks-link{color:#94a3b8;margin-top:20px;font-size:.85rem;text-decoration:none;transition:color .2s;display:inline-block}.thanks-link:hover{color:#3b82f6}@media (max-width:768px){.download-cards{grid-template-columns:1fr 1fr}}@media (max-width:480px){.download-cards,.requirements-grid,.tips-grid{grid-template-columns:1fr}.thanks-card{padding:32px 20px}.thanks-title{font-size:1.3rem}.qq-number{font-size:1.5rem}}