.grid_lt01 {
    max-width: var(--main-width, 1200px);
    margin: 0 auto;
    padding: 3rem 0;
}

.grid_lt01-header {
    text-align: center;
    margin-bottom: 3rem;
    max-width: 48rem;
    margin-left: auto;
    margin-right: auto;
}

.grid_lt01-heading {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.grid_lt01-subheading {
    font-size: 1.1rem;
    color: var(--grid_lt01-text, #6c757d);
    line-height: 1.6;
}

.grid_lt01-grid {
    display: grid;
    grid-template-columns: repeat(var(--grid_lt01-cols, 3), 1fr);
    gap: 1.5rem;
    align-items: stretch;
}

.grid_lt01-item {
    opacity: 0;
    transform: translateY(2rem);
    animation: grid_lt01-fadeInUp 0.6s ease forwards;
}

.grid_lt01-item:nth-child(1) { animation-delay: 0s; }
.grid_lt01-item:nth-child(2) { animation-delay: 0.08s; }
.grid_lt01-item:nth-child(3) { animation-delay: 0.16s; }
.grid_lt01-item:nth-child(4) { animation-delay: 0.24s; }
.grid_lt01-item:nth-child(5) { animation-delay: 0.32s; }
.grid_lt01-item:nth-child(6) { animation-delay: 0.4s; }
.grid_lt01-item:nth-child(7) { animation-delay: 0.48s; }
.grid_lt01-item:nth-child(8) { animation-delay: 0.56s; }
.grid_lt01-item:nth-child(9) { animation-delay: 0.64s; }
.grid_lt01-item:nth-child(10) { animation-delay: 0.72s; }
.grid_lt01-item:nth-child(11) { animation-delay: 0.8s; }
.grid_lt01-item:nth-child(12) { animation-delay: 0.88s; }

@keyframes grid_lt01-fadeInUp {
    from { opacity: 0; transform: translateY(2rem); }
    to   { opacity: 1; transform: translateY(0); }
}

.grid_lt01-card {
    height: 100%;
    border: none;
    border-radius: 0.75rem;
    box-shadow: 0 0.125rem 0.375rem rgba(0, 0, 0, 0.08);
    background: var(--grid_lt01-card-bg, #ffffff);
    padding: 2rem 1.5rem;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.grid_lt01-item:hover .grid_lt01-card {
    transform: translateY(-0.5rem);
    box-shadow: 0 0.75rem 1.5rem rgba(0, 0, 0, 0.12);
}

.grid_lt01-icon {
    margin-bottom: 1rem;
    font-size: 2.5rem;
    color: var(--grid_lt01-primary, #0d6efd);
}

.grid_lt01-icon img {
    width: 100%;
    height: auto;
    object-fit: cover;
}

.grid_lt01-title {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.grid_lt01-content {
    font-size: 0.95rem;
    color: var(--grid_lt01-text, #6c757d);
    line-height: 1.6;
    margin-bottom: 1.25rem;
}

.grid_lt01-btn {
    display: inline-block;
    font-size: 0.875rem;
    padding: 0.4rem 1rem;
    border: 1px solid var(--grid_lt01-primary, #0d6efd);
    border-radius: 0.25rem;
    color: var(--grid_lt01-primary, #0d6efd);
    text-decoration: none;
    transition: background-color 0.2s, color 0.2s;
}

.grid_lt01-btn:hover {
    background-color: var(--grid_lt01-primary, #0d6efd);
    color: #fff;
}

[data-device="phone"] .grid_lt01-grid {
    grid-template-columns: repeat(2, 1fr);
}

[data-device="pad"] .grid_lt01-grid {
    grid-template-columns: repeat(2, 1fr);
}

[data-device="pc"] .grid_lt01-grid {
    grid-template-columns: repeat(var(--grid_lt01-cols, 3), 1fr);
}