.cluster-hero {
    background: linear-gradient(135deg, #0f172a 0%, #1e3a8a 30%, #312e81 60%, #1e293b 100%);
    padding: 72px 24px;
    margin-bottom: 40px;
    border-radius: 24px;
    position: relative;
    overflow: hidden;
}
.cluster-hero::before {
    content: '';
    position: absolute;
    top: -30%;
    right: -15%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.2) 0%, rgba(59, 130, 246, 0.1) 40%, transparent 70%);
    border-radius: 50%;
    animation: pulse-glow 4s ease-in-out infinite;
}
.cluster-hero::after {
    content: '';
    position: absolute;
    bottom: -40%;
    left: -20%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(168, 85, 247, 0.15) 0%, rgba(139, 92, 246, 0.08) 50%, transparent 70%);
    border-radius: 50%;
    animation: pulse-glow 5s ease-in-out infinite 1s;
}
@keyframes pulse-glow {
    0%, 100% { opacity: 0.6; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.05); }
}
@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}
.cluster-hero .cluster-hero-content {
    position: relative;
    z-index: 1;
}
.cluster-hero-icon {
    width: 96px;
    height: 96px;
    border-radius: 24px;
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    font-size: 3rem;
    color: #fff;
    border: 1px solid rgba(255,255,255,0.15);
    box-shadow: 0 8px 32px rgba(0,0,0,0.3);
    animation: float 3s ease-in-out infinite;
}
.cluster-hero h1 {
    font-size: 2.25rem;
    font-weight: 800;
    color: #fff;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
    line-height: 1.2;
}
.cluster-hero p {
    font-size: 1.125rem;
    color: rgba(255,255,255,0.8);
    line-height: 1.8;
    max-width: 720px;
    margin-bottom: 32px;
}
.cluster-stats {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
}
.stat-item {
    background: rgba(255,255,255,0.08);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 16px;
    padding: 20px 28px;
    text-align: center;
    min-width: 120px;
}
.stat-value {
    display: block;
    font-size: 1.75rem;
    font-weight: 800;
    color: #4ade80;
    margin-bottom: 6px;
}
.stat-label {
    font-size: .8125rem;
    color: rgba(255,255,255,0.6);
}
.cluster-nav {
    margin-bottom: 40px;
    position: sticky;
    top: calc(var(--header-h) + 24px);
    z-index: 50;
    background: var(--c-bg);
    padding: 16px 0;
    border-radius: 16px;
    box-shadow: var(--s-sm);
}
.nav-tabs {
    display: flex;
    gap: 12px;
    overflow-x: auto;
    padding: 8px;
}
.nav-tab {
    flex-shrink: 0;
    padding: 12px 24px;
    background: var(--c-bg-card);
    border: 1px solid var(--c-line);
    border-radius: 999px;
    color: var(--c-text-2);
    font-size: .9375rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.nav-tab:hover {
    background: rgba(59, 130, 246, 0.05);
    border-color: rgba(59, 130, 246, 0.3);
    color: #3b82f6;
}
.nav-tab.active {
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    border-color: #3b82f6;
    color: #fff;
    box-shadow: 0 4px 16px rgba(59, 130, 246, 0.3);
}
.region-card {
    background: var(--c-bg-card);
    border: 1px solid var(--c-line);
    border-radius: 20px;
    overflow: hidden;
    margin-bottom: 32px;
    animation: fadeIn 0.4s ease-out;
}
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}
.region-header {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 28px 32px;
    background: linear-gradient(135deg, var(--c-bg-soft) 0%, var(--c-bg-card) 100%);
    border-bottom: 1px solid var(--c-line);
}
.region-flag {
    font-size: 2.5rem;
    flex-shrink: 0;
}
.region-info h2 {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--c-text);
    margin-bottom: 4px;
}
.region-info p {
    font-size: .9375rem;
    color: var(--c-text-3);
    margin: 0;
}
.region-badge {
    margin-left: auto;
    padding: 6px 16px;
    border-radius: 999px;
    font-size: .75rem;
    font-weight: 600;
    background: var(--c-bg-soft);
    color: var(--c-text-2);
}
.region-badge.featured {
    background: linear-gradient(135deg, #22c55e, #16a34a);
    color: #fff;
}
.info-section {
    padding: 28px 32px;
    border-bottom: 1px solid var(--c-line);
}
.info-section:last-of-type {
    border-bottom: none;
}
.info-section h3 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--c-text);
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 10px;
}
.info-section h3 i {
    color: #3b82f6;
}
.info-section p {
    font-size: .9375rem;
    color: var(--c-text-2);
    line-height: 1.8;
    margin-bottom: 16px;
}
.feature-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 12px;
}
.feature-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: .9375rem;
    color: var(--c-text-2);
    padding: 10px 16px;
    background: var(--c-bg-soft);
    border-radius: 10px;
}
.feature-list li i {
    color: #22c55e;
    flex-shrink: 0;
}
.performance-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
}
.performance-item {
    background: var(--c-bg-soft);
    border-radius: 16px;
    padding: 24px;
    text-align: center;
    transition: all 0.3s ease;
}
.performance-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--s-sm);
}
.perf-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 14px;
    font-size: 1.25rem;
    color: #fff;
}
.perf-value {
    display: block;
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--c-text);
    margin-bottom: 6px;
}
.perf-label {
    font-size: .8125rem;
    color: var(--c-text-3);
}
.use-case-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
}
.use-case-card {
    background: var(--c-bg-soft);
    border-radius: 16px;
    padding: 24px;
    text-align: center;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.use-case-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--s-sm);
    border-color: rgba(59, 130, 246, 0.2);
}
.case-icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    background: linear-gradient(135deg, #8b5cf6, #7c3aed);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 14px;
    font-size: 1.5rem;
    color: #fff;
}
.use-case-card h4 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--c-text);
    margin-bottom: 8px;
}
.use-case-card p {
    font-size: .8125rem;
    color: var(--c-text-3);
    line-height: 1.6;
    margin: 0;
}
.config-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 12px;
}
.config-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background: var(--c-bg-soft);
    border-radius: 10px;
}
.config-label {
    font-size: .875rem;
    color: var(--c-text-3);
    font-weight: 500;
}
.config-value {
    font-size: .875rem;
    color: var(--c-text);
    font-weight: 600;
}
.service-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 16px;
}
.service-item {
    display: flex;
    gap: 14px;
    padding: 20px;
    background: var(--c-bg-soft);
    border-radius: 14px;
    transition: all 0.3s ease;
}
.service-item:hover {
    background: rgba(59, 130, 246, 0.05);
}
.service-item i {
    width: 44px;
    height: 44px;
    border-radius: 11px;
    background: linear-gradient(135deg, #f97316, #ea580c);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: #fff;
    flex-shrink: 0;
}
.service-item h4 {
    font-size: .9375rem;
    font-weight: 700;
    color: var(--c-text);
    margin-bottom: 4px;
}
.service-item p {
    font-size: .8125rem;
    color: var(--c-text-3);
    margin: 0;
    line-height: 1.6;
}
.region-pricing {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    padding: 28px 32px;
    background: linear-gradient(180deg, var(--c-bg-soft) 0%, var(--c-bg-card) 100%);
}
.price-card {
    background: var(--c-bg-card);
    border: 1px solid var(--c-line);
    border-radius: 16px;
    padding: 28px;
    position: relative;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.price-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--s-md);
    border-color: rgba(59, 130, 246, 0.2);
}
.price-card.featured {
    border-color: #3b82f6;
    background: linear-gradient(180deg, #eff6ff 0%, #f8fafc 50%, #fff 100%);
    box-shadow: 0 8px 32px rgba(59, 130, 246, 0.12);
}
.price-header {
    font-size: 1rem;
    font-weight: 700;
    color: var(--c-text);
    margin-bottom: 8px;
}
.price-badge {
    position: absolute;
    top: -1px;
    right: 20px;
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    color: #fff;
    font-size: .65rem;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: 0 0 8px 8px;
}
.price-value {
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--c-text);
    background: linear-gradient(135deg, #1e293b, #334155);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.price-card.featured .price-value {
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.price-unit {
    font-size: .875rem;
    color: var(--c-text-3);
    font-weight: 400;
}
.price-features {
    list-style: none;
    padding: 0;
    margin: 20px 0;
}
.price-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 0;
    font-size: .875rem;
    color: var(--c-text-2);
    border-bottom: 1px dashed var(--c-line);
}
.price-features li:last-child {
    border-bottom: none;
}
.price-features li::before {
    content: '\f00c';
    font-family: 'Font Awesome 5 Free';
    font-weight: 900;
    color: #22c55e;
    font-size: .8125rem;
}
.price-btn {
    width: 100%;
    padding: 14px;
    background: var(--c-bg-soft);
    border: 1px solid var(--c-line);
    border-radius: 10px;
    color: var(--c-text-2);
    font-size: .9375rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.price-btn:hover {
    background: rgba(59, 130, 246, 0.05);
    border-color: #3b82f6;
    color: #3b82f6;
}
.price-btn.primary {
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    border-color: #3b82f6;
    color: #fff;
    position: relative;
    overflow: hidden;
}
.price-btn.primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s ease;
}
.price-btn.primary:hover::before {
    left: 100%;
}
.price-btn.primary:hover {
    box-shadow: 0 8px 24px rgba(59, 130, 246, .4);
}
.cluster-compare {
    margin-bottom: 44px;
}
.compare-table {
    background: var(--c-bg-card);
    border: 1px solid var(--c-line);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--s-sm);
    overflow-x: auto;
}
.compare-table table {
    width: 100%;
    border-collapse: collapse;
    min-width: 720px;
}
.compare-table th,
.compare-table td {
    padding: 16px 20px;
    text-align: left;
    border-bottom: 1px solid var(--c-line);
}
.compare-table th {
    font-size: .8125rem;
    font-weight: 700;
    color: var(--c-text);
    background: var(--c-bg-soft);
    white-space: nowrap;
}
.compare-table th:first-child {
    width: 140px;
    border-right: 1px solid var(--c-line);
}
.compare-table td {
    font-size: .875rem;
    color: var(--c-text-2);
}
.compare-table tr:last-child td {
    border-bottom: none;
}
.compare-table tr:hover td {
    background: rgba(59, 130, 246, 0.02);
}
.compare-table .green {
    color: #22c55e;
    font-weight: 600;
}
.compare-table .red {
    color: #ef4444;
    font-weight: 600;
}
.cluster-contact {
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 50%, #f8fafc 100%);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: 20px;
    padding: 40px;
    text-align: center;
    position: relative;
    overflow: hidden;
    margin-bottom: 32px;
}
.cluster-contact::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}
.cluster-contact h3 {
    font-size: 1.375rem;
    font-weight: 800;
    color: var(--c-text);
    margin-bottom: 14px;
    position: relative;
    z-index: 1;
}
.cluster-contact p {
    font-size: .9375rem;
    color: var(--c-text-2);
    margin-bottom: 24px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 1;
}
.contact-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    color: #fff;
    border-radius: 999px;
    font-size: .9375rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    z-index: 1;
}
.contact-btn:hover {
    opacity: 0.95;
    box-shadow: 0 8px 24px rgba(59, 130, 246, .4);
    transform: translateY(-2px);
    color: #fff;
}
@media (max-width: 767px) {
    .cluster-hero {
        padding: 52px 16px;
    }
    .cluster-hero h1 {
        font-size: 1.75rem;
    }
    .cluster-hero p {
        font-size: 1rem;
    }
    .cluster-hero-icon {
        width: 72px;
        height: 72px;
        font-size: 2.25rem;
    }
    .cluster-stats {
        gap: 12px;
    }
    .stat-item {
        padding: 16px 20px;
        min-width: 100px;
    }
    .stat-value {
        font-size: 1.5rem;
    }
    .region-header {
        padding: 20px 20px;
        flex-wrap: wrap;
    }
    .region-info h2 {
        font-size: 1.25rem;
    }
    .info-section {
        padding: 20px;
    }
    .feature-list {
        grid-template-columns: 1fr;
    }
    .performance-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    .use-case-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    .config-grid {
        grid-template-columns: 1fr;
    }
    .service-features {
        grid-template-columns: 1fr;
    }
    .region-pricing {
        grid-template-columns: 1fr;
        padding: 20px;
        gap: 16px;
    }
    .cluster-contact {
        padding: 28px 16px;
    }
}
@media (max-width: 575px) {
    .performance-grid {
        grid-template-columns: 1fr;
    }
    .use-case-grid {
        grid-template-columns: 1fr;
    }
    .nav-tab {
        padding: 10px 16px;
        font-size: .875rem;
    }
}