#system {
    padding: 10rem 2rem;
    background: linear-gradient(135deg, #f0f8ff 0%, #ffffff 100%);
    min-height: 100vh;
    position: relative;
}

#system::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%230000ff' fill-opacity='0.02'%3E%3Cpath d='M36 34v-4h-2v4H18v2h16v4h2v-4h4v-2h-4zm-18-6v-2h16v2H18z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    pointer-events: none;
}

.system-header {
    text-align: center;
    max-width: 80rem;
    margin: 0 auto 6rem;
    position: relative;
    z-index: 2;
}

.system-header .subtitle {
    font-size: 1.4rem;
    color: #0000ff;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: 1.5rem;
    display: block;
    position: relative;
}

.system-header .subtitle::after {
    content: '';
    position: absolute;
    bottom: -0.5rem;
    left: 50%;
    transform: translateX(-50%);
    width: 6rem;
    height: 3px;
    background: linear-gradient(90deg, #0000ff, #00d2ff);
    border-radius: 2px;
}

.system-header h1 {
    font-size: 4.5rem;
    color: #1a1a1a;
    font-weight: 900;
    margin-bottom: 2rem;
    line-height: 1.1;
}

.system-header p {
    font-size: 1.8rem;
    color: #64748b;
    line-height: 1.6;
}

/* Filter Menu */
.system-list-address {
    margin-bottom: 6rem;
    display: flex;
    justify-content: center;
}

.system-list-address .filter-wrapper {
    background: #fff;
    padding: 0.8rem;
    border-radius: 5rem;
    box-shadow: 0 1rem 3rem rgba(0, 0, 0, 0.05);
}

.system-list-address ul {
    display: flex;
    gap: 1rem;
    list-style: none;
    flex-wrap: wrap;
    justify-content: center;
}

.system-list-address .filter-btn {
    border: 0;
    background: transparent;
    text-decoration: none;
    padding: 1.2rem 2.5rem;
    border-radius: 4rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: #64748b;
    display: flex;
    align-items: center;
    gap: 0.8rem;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    cursor: pointer;
}

.system-list-address .filter-btn ion-icon {
    font-size: 2rem;
}

.system-list-address .filter-btn.active {
    background: #0000ff;
    color: #fff;
    box-shadow: 0 1rem 2rem rgba(0, 0, 255, 0.2);
    transform: scale(1.05);
}

.system-list-address .filter-btn:not(.active):hover {
    background: #f1f5f9;
    color: #0000ff;
}

/* System Grid */
.system-list-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(40rem, 1fr));
    gap: 4rem;
    max-width: 130rem;
    margin: 0 auto;
}

.system-item-wrapper {
    transition: all 0.5s ease;
    position: relative;
}

.system-item-wrapper::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 0, 255, 0.02) 0%, rgba(0, 210, 255, 0.02) 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
    z-index: 1;
    pointer-events: none;
}

.system-item-wrapper:hover::before {
    opacity: 1;
}

.system-card {
    background: #fff;
    border-radius: 3rem;
    overflow: hidden;
    box-shadow: 0 2rem 5rem rgba(0, 0, 255, 0.08);
    border: 1px solid rgba(0, 0, 255, 0.05);
    height: 100%;
    display: flex;
    flex-direction: column;
    position: relative;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.system-card:hover {
    transform: translateY(-1rem);
    box-shadow: 0 3rem 7rem rgba(0, 0, 255, 0.15);
    border-color: rgba(0, 0, 255, 0.1);
}

.card-status {
    position: absolute;
    top: 2rem;
    right: 2rem;
    background: #20c997;
    color: #fff;
    padding: 0.6rem 1.5rem;
    border-radius: 2rem;
    font-size: 1.2rem;
    font-weight: 700;
    z-index: 10;
    box-shadow: 0 0.5rem 1.5rem rgba(32, 201, 151, 0.3);
}

.status-pulse {
    animation: statusPulse 2s infinite;
}

@keyframes statusPulse {
    0% { box-shadow: 0 0 0 0 rgba(32, 201, 151, 0.7); }
    70% { box-shadow: 0 0 0 10px rgba(32, 201, 151, 0); }
    100% { box-shadow: 0 0 0 0 rgba(32, 201, 151, 0); }
}

.map-box {
    position: relative;
    display: grid;
    height: 30rem;
    width: 100%;
    background: #e2e8f0;
    overflow: hidden;
    place-items: center;
}

.map-box iframe {
    width: 100%;
    height: 100%;
    filter: grayscale(0.2);
    transition: all 0.6s ease;
    border: 0;
}

.map-loader {
    display: flex;
    width: 100%;
    height: 100%;
    border: 0;
    background:
        radial-gradient(circle at 25% 20%, rgba(0, 166, 200, 0.16), transparent 38%),
        linear-gradient(135deg, #eef8ff, #dceef9);
    color: #0756a3;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 1.2rem;
    cursor: pointer;
    font-size: 1.5rem;
    font-weight: 800;
    transition: background-color 0.2s ease, color 0.2s ease;
}

.map-loader ion-icon {
    font-size: 4rem;
}

.map-loader:hover {
    background-color: #d9efff;
    color: #063c73;
}

.system-card:hover .map-box iframe {
    filter: grayscale(0);
    transform: scale(1.05);
}

.info-box {
    padding: 4rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.branch-tag {
    font-size: 1.3rem;
    color: #0000ff;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 1.5rem;
}

.info-box h2 {
    font-size: 2.8rem;
    color: #1e293b;
    font-weight: 800;
    margin-bottom: 3rem;
    line-height: 1.2;
}

.contact-list {
    margin-bottom: 4rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    margin-bottom: 2rem;
    font-size: 1.6rem;
    color: #475569;
    line-height: 1.5;
}

.contact-item ion-icon {
    font-size: 2.2rem;
    color: #0000ff;
    flex-shrink: 0;
}

.contact-item a {
    color: inherit;
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact-item a:hover {
    color: #0000ff;
}

.card-actions {
    margin-top: auto;
    display: flex;
    gap: 1.5rem;
}

.btn-direction {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    background: linear-gradient(135deg, #0000ff 0%, #00d2ff 100%);
    color: #fff;
    text-decoration: none;
    padding: 1.5rem;
    border-radius: 1.5rem;
    font-weight: 700;
    font-size: 1.5rem;
    box-shadow: 0 1rem 2rem rgba(0, 0, 255, 0.2);
    transition: all 0.3s ease;
}

.btn-direction:hover {
    transform: translateY(-3px);
    box-shadow: 0 1.5rem 3rem rgba(0, 0, 255, 0.3);
}

.btn-detail {
    padding: 1.5rem 2.5rem;
    background: #f1f5f9;
    color: #475569;
    text-decoration: none;
    border-radius: 1.5rem;
    font-weight: 700;
    font-size: 1.5rem;
    transition: all 0.3s ease;
}

.btn-detail:hover {
    background: #e2e8f0;
    color: #1e293b;
}

/* Animations */
@keyframes fadeInSystem {
    from { opacity: 0; transform: translateY(2rem); }
    to { opacity: 1; transform: translateY(0); }
}

.system-item-wrapper {
    animation: fadeInSystem 0.6s ease backwards;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    #system {
        padding: 6rem 1.5rem;
    }

    .system-header h1 {
        font-size: 3.2rem;
    }

    .system-list-container {
        grid-template-columns: 1fr;
    }

    .info-box {
        padding: 3rem 2rem;
    }

    .info-box h2 {
        font-size: 2.4rem;
    }

    .card-actions {
        flex-direction: column;
    }

    .btn-detail {
        text-align: center;
    }
}