* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; background: linear-gradient(160deg, #252535 0%, #35354a 50%, #252535 100%); min-height: 100vh; padding: 40px 20px; position: relative; }
.container { max-width: 1200px; margin: 0 auto; position: relative; z-index: 1; }
.header { display: flex; align-items: flex-start; justify-content: space-between; gap: 30px; margin-bottom: 40px; }
.header-left { display: flex; align-items: center; gap: 16px; }
.header-text h1 { margin: 0; font-size: 1.6rem; color: white; }
.header-text p { margin: 4px 0 0 0; color: rgba(255,255,255,0.8); font-size: 0.9rem; }
@media (max-width: 700px) { .header { flex-direction: column; align-items: center; gap: 20px; } .header-left { gap: 12px; } .header-text h1 { font-size: 1.3rem; } .header-text p { font-size: 0.8rem; text-align: center; } .icon { width: 36px !important; height: 36px !important; } }
.grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 40px; }
.card { background: rgba(55, 55, 70, 0.85); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); border: 1px solid rgba(255, 255, 255, 0.1); border-radius: 16px; padding: 14px; box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3), inset 0 1px 0 rgba(255,255,255,0.08); transition: transform 0.3s ease, box-shadow 0.3s ease; position: relative; overflow: hidden; }
.card::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 4px; background: linear-gradient(90deg, #4285f4, #34a853, #fbbc04, #ea4335); }
.card::after { content: ""; position: absolute; inset: 0; border-radius: 16px; opacity: 0; transition: opacity 0.3s ease; pointer-events: none; box-shadow: inset 0 0 25px rgba(102, 126, 234, 0.35), inset 0 0 50px rgba(118, 75, 162, 0.2), inset 0 0 80px rgba(150, 100, 200, 0.15); }
.card:hover { transform: translateY(-8px) rotateX(2deg); background: rgba(65, 65, 82, 0.9); box-shadow: 0 25px 60px rgba(0, 0, 0, 0.35), 0 10px 30px rgba(0, 0, 0, 0.2), inset 0 1px 0 rgba(255,255,255,0.12); }
.card:hover::after { opacity: 1; }
.card-title { font-size: 1rem; font-weight: 700; color: white; margin-bottom: 14px; padding-bottom: 10px; border-bottom: 2px solid rgba(255,255,255,0.25); display: flex; align-items: center; text-shadow: 0 1px 2px rgba(0,0,0,0.2); }
.info-grid { display: grid; gap: 8px; margin-bottom: 14px; }
.info-item { display: flex; align-items: flex-start; padding: 10px 14px; background: rgba(65, 65, 80, 0.5); border-radius: 8px; gap: 14px; border: 1px solid rgba(255,255,255,0.08); box-shadow: 0 2px 8px rgba(0,0,0,0.12), inset 0 1px 0 rgba(255,255,255,0.05); }
.info-label { font-weight: 600; color: rgba(255,255,255,0.75); font-size: 0.8rem; flex-shrink: 0; display: flex; align-items: center; gap: 6px; min-width: 42px; }
.info-label::before { content: ""; width: 4px; height: 4px; background: rgba(255,255,255,0.5); border-radius: 50%; }
.info-value { font-weight: 500; color: white; font-size: 0.9rem; flex: 1; min-width: 0; text-shadow: 0 1px 2px rgba(0,0,0,0.15); line-height: 1.5; text-align: right; }
.info-value.sha256 { font-size: 0.75rem; letter-spacing: 0.5px; line-height: 1.5; display: flex; align-items: center; gap: 10px; font-family: Consolas, "Courier New", Monaco, Menlo, monospace; font-weight: 500; text-shadow: 0 0 10px rgba(102, 126, 234, 0.5), 0 1px 2px rgba(0,0,0,0.3); }
.sha256-short { color: rgba(255,255,255,0.85); cursor: pointer; transition: color 0.2s; white-space: nowrap; }
.sha256-short:hover { color: white; text-decoration: underline; }
.sha256-tip { position: absolute; display: none; z-index: 1000; background: linear-gradient(135deg, rgba(40, 40, 70, 0.98) 0%, rgba(30, 30, 55, 0.98) 100%); border: 1px solid rgba(102, 126, 234, 0.6); border-radius: 10px; padding: 10px 12px; box-shadow: 0 12px 40px rgba(0,0,0,0.5), 0 0 20px rgba(102, 126, 234, 0.15); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); width: 250px; font-size: 0.72rem; font-weight: 400; color: rgba(255,255,255,0.95); font-family: Consolas, "Courier New", monospace; }
.sha256-tip.show { display: block; animation: tipFadeIn 0.2s ease; }
@keyframes tipFadeIn { from { opacity: 0; transform: translateY(-5px); } to { opacity: 1; transform: translateY(0); } }
.sha256-tip-hash { display: block; word-break: break-all; line-height: 1.5; letter-spacing: 0.5px; }
.sha256-copy { background: none; border: none; color: rgba(255,255,255,0.6); padding: 2px; cursor: pointer; transition: all 0.2s; flex-shrink: 0; display: flex; align-items: center; justify-content: center; margin-left: 4px; }
.sha256-copy:hover { color: white; }
.sha256-item { display: flex; align-items: center; padding: 10px 14px; background: linear-gradient(135deg, rgba(255,255,255,0.12) 0%, rgba(255,255,255,0.05) 100%); border-radius: 8px; border: 1px solid rgba(255,255,255,0.15); box-shadow: 0 2px 8px rgba(0,0,0,0.1), inset 0 1px 0 rgba(255,255,255,0.1); }
.sha256-label { position: relative; }
.sha256-label::before { display: inline-block !important; }
.toast { position: fixed; bottom: 80px; left: 50%; transform: translateX(-50%) translateY(20px); background: rgba(50, 50, 70, 0.95); border: 1px solid rgba(102, 126, 234, 0.6); border-radius: 8px; padding: 10px 20px; color: white; font-size: 0.85rem; opacity: 0; transition: all 0.3s ease; z-index: 9999; pointer-events: none; }
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.download-section { margin-top: 20px; padding: 0; }
.download-section-title { display: flex; align-items: center; margin: 0 0 20px 0; }
.download-section-title-line { flex: 1; height: 2px; background: rgba(255,255,255,0.3); }
.download-section-title-label { padding: 5px 14px; font-weight: 600; font-size: 0.85rem; color: white; backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px); border-radius: 8px; box-shadow: 0 2px 8px rgba(0,0,0,0.15); border: 1px solid rgba(255,255,255,0.3); }
.download-section-title-label.offline { background: linear-gradient(90deg, rgba(66,133,244,0.8), rgba(52,168,83,0.8)); }
.download-section-title-label.online { background: linear-gradient(90deg, #ff6b6b, #ee5a24); }
.download-tip { font-size: 0.8rem; color: rgba(255,255,255,0.9); margin-bottom: 10px; text-align: center; text-shadow: 0 1px 2px rgba(0,0,0,0.2); }
.download-row { display: flex; flex-direction: column; gap: 8px; margin-bottom: 8px; justify-content: center; }
.download-btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; background: linear-gradient(145deg, rgba(102, 126, 234, 0.8) 0%, rgba(118, 75, 162, 0.85) 100%); color: white; padding: 10px 14px; border-radius: 10px; font-size: 0.75rem; text-decoration: none; font-weight: 600; letter-spacing: 0.5px; transition: all 0.25s ease; border: 1px solid rgba(255, 255, 255, 0.25); cursor: pointer; min-width: 80px; flex: 1; box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15), inset 0 1px 0 rgba(255, 255, 255, 0.25); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); position: relative; overflow: hidden; }
.download-btn::before { content: ""; position: absolute; top: 0; left: -100%; width: 100%; height: 100%; background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent); transition: left 0.6s ease; }
.download-btn:hover { background: linear-gradient(145deg, rgba(118, 75, 162, 0.85) 0%, rgba(102, 126, 234, 0.9) 100%); transform: translateY(-2px); box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2), inset 0 1px 0 rgba(255, 255, 255, 0.35); }
.download-btn:hover::before { left: 100%; }
.download-btn:active { transform: translateY(0); box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15); }
.download-btn.online { background: linear-gradient(145deg, rgba(253, 126, 20, 0.8) 0%, rgba(232, 89, 12, 0.85) 100%); box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15), inset 0 1px 0 rgba(255, 255, 255, 0.25); }
.download-btn.online:hover { background: linear-gradient(145deg, rgba(232, 89, 12, 0.85) 0%, rgba(253, 126, 20, 0.9) 100%); box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2), inset 0 1px 0 rgba(255, 255, 255, 0.35); }
.error-card { background: rgba(50, 20, 20, 0.7); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); border: 1px solid rgba(255, 100, 100, 0.3); border-radius: 16px; padding: 14px; box-shadow: 0 8px 32px rgba(255, 0, 0, 0.3), inset 0 1px 0 rgba(255,255,255,0.2); transition: transform 0.3s ease, box-shadow 0.3s ease; position: relative; overflow: hidden; }
.error-card::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 4px; background: linear-gradient(90deg, #ff6b6b, #ee5a24); }
.error-card .card-title { color: white; border-bottom-color: rgba(255,100,100,0.4); }
.error-card .info-item { background: rgba(255,100,100,0.2); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border: 1px solid rgba(255,100,100,0.2); }
.error-card .info-label, .error-card .info-value { color: white; }
.warning { background: rgba(255,255,255,0.9); backdrop-filter: blur(10px); color: #d63031; padding: 15px 20px; border-radius: 12px; margin-bottom: 30px; border-left: 4px solid #d63031; font-weight: 500; box-shadow: 0 4px 15px rgba(0,0,0,0.2); }
.tabs { display: flex; gap: 20px; margin-bottom: 25px; justify-content: center; }
.tab { padding: 10px 24px; background: rgba(255,255,255,0.15); backdrop-filter: blur(10px); color: rgba(255,255,255,0.9); border: 1px solid rgba(255,255,255,0.3); border-radius: 20px; font-size: 0.95rem; font-weight: 500; cursor: pointer; transition: all 0.3s ease; text-align: center; min-width: 140px; text-shadow: 0 1px 2px rgba(0,0,0,0.2); }
.tab:hover { background: rgba(255,255,255,0.25); color: white; transform: translateY(-1px); }
.tab.active { background: rgba(255,255,255,0.95); color: #764ba2; box-shadow: 0 4px 15px rgba(0,0,0,0.3); transform: translateY(-2px); text-shadow: none; }
.tab-content { display: none; }
.tab-content.active { display: block; }
.channel-badge { position: absolute; top: 8px; right: 8px; padding: 3px 8px; font-size: 0.65rem; font-weight: 600; border-radius: 12px; text-align: center; box-shadow: 0 2px 4px rgba(0,0,0,0.1); z-index: 10; }
.channel-badge.stable { background: linear-gradient(135deg, #28a745, #20c997); color: white; }
.channel-badge.beta { background: linear-gradient(135deg, #007bff, #0056b3); color: white; }
.channel-badge.dev { background: linear-gradient(135deg, #fd7e14, #e8590c); color: white; }
.channel-badge.canary { background: linear-gradient(135deg, #dc3545, #c82333); color: white; }
@media (max-width: 1200px) { .grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 900px) { .grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 768px) { .grid { grid-template-columns: 1fr; gap: 16px; } .download-row { flex-direction: column; } body { padding: 20px 15px; } }