.biz-header {
    text-align: center;
    margin-bottom: 80px;
}

.biz-title {
    font-size: 42px;
    font-weight: 800;
    color: #111;
    letter-spacing: -1.5px;
    margin-bottom: 20px;
}

.biz-subtitle {
    font-size: 18px;
    color: #666;
    line-height: 1.6;
}

/* Intro IBCS / MIN-IBCS */
.ibcs-intro {
    display: flex;
    gap: 40px;
    margin-bottom: 100px;
}

.ibcs-intro-card {
    flex: 1;
    background: #f8f9fa;
    border-radius: 0px;
    padding: 50px;
    border: 1px solid #eaeaea;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.ibcs-intro-card:hover {
    background: #fff;
    box-shadow: 0 20px 40px rgba(0,0,0,0.06);
    border-color: var(--point-color);
}

.ibcs-intro-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 6px;
    height: 100%;
    background: var(--point-color);
}

.intro-card-title {
    font-size: 26px;
    font-weight: 800;
    color: #111;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    letter-spacing: -0.5px;
}

.intro-card-title i {
    color: var(--point-color);
    font-size: 32px;
}

.intro-card-text {
    font-size: 17px;
    color: #444;
    line-height: 1.8;
    word-break: keep-all;
}

/* Section Title */
.section-title {
    font-size: 32px;
    font-weight: 800;
    color: #111;
    margin-bottom: 40px;
    text-align: center;
    letter-spacing: -1px;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-bottom: 120px;
}

.feature-item {
    background: #fff;
    border-radius: 20px;
    padding: 40px;
    display: flex;
    gap: 25px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.04);
    border: 1px solid #f0f0f0;
    transition: all 0.3s;
}

.feature-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.08);
}

.feature-icon {
    width: 70px;
    height: 70px;
    background: #f1f3f5;
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all 0.3s;
}

.feature-item:hover .feature-icon {
    background: var(--point-color);
}

.feature-icon i {
    font-size: 36px;
    color: var(--point-color);
    transition: all 0.3s;
}

.feature-item:hover .feature-icon i {
    color: #fff;
}

.feature-content h4 {
    font-size: 22px;
    font-weight: 700;
    color: #111;
    margin-bottom: 15px;
    letter-spacing: -0.5px;
}

.feature-content p {
    font-size: 16px;
    color: #555;
    line-height: 1.7;
    word-break: keep-all;
    margin: 0;
}

/* Effects Diagram */
.effects-container {
    background: #f8f9fa;
    border-radius: 30px;
    padding: 80px 40px;
    border: 1px solid #eaeaea;
}

.diagram-center {
    width: 220px;
    height: 220px;
    background: linear-gradient(135deg, var(--point-color), #0a58ca);
    color: #fff;
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    margin: 0 auto 60px auto;
    box-shadow: 0 20px 40px rgba(13, 110, 253, 0.3);
    position: relative;
    z-index: 2;
}

.diagram-center h3 {
    font-size: 28px;
    font-weight: 800;
    margin-bottom: 5px;
}

.diagram-center p {
    font-size: 16px;
    opacity: 0.9;
}

/* Connecting Lines (Pseudo-elements) */
.diagram-center::after {
    content: '';
    position: absolute;
    bottom: -60px;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 60px;
    background: #ccc;
    z-index: -1;
}

.diagram-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 30px;
    position: relative;
}

/* Top horizontal line */
.diagram-grid::before {
    content: '';
    position: absolute;
    top: -30px;
    left: 16.66%;
    right: 16.66%;
    height: 2px;
    background: #ccc;
}

.diagram-card {
    background: #fff;
    border: 1px solid #e5e5e5;
    border-radius: 20px;
    padding: 40px 35px;
    width: calc(33.333% - 20px);
    position: relative;
    overflow: hidden;
    transition: all 0.3s;
    z-index: 2;
}

/* Vertical lines connecting to cards */
.diagram-card::before {
    content: '';
    position: absolute;
    top: -30px; /* Connect to the horizontal line */
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 30px;
    background: #ccc;
    z-index: -1;
}

/* Last two items don't connect to the top horizontal line in the same way, we can hide their top lines or style differently */
.diagram-card.bottom-row::before {
    display: none; 
}

.diagram-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.08);
    border-color: var(--point-color);
}

.diagram-card .num {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 80px;
    font-weight: 900;
    color: #f0f0f0;
    z-index: 0;
    line-height: 1;
    transition: all 0.3s;
}

.diagram-card:hover .num {
    color: #e6f0fa; /* Light tint of blue */
}

.diagram-card-content {
    position: relative;
    z-index: 1;
}

.diagram-card-title {
    font-size: 20px;
    font-weight: 700;
    color: #111;
    margin-bottom: 15px;
    padding-right: 40px; /* Space for the number */
}

.diagram-card-text {
    font-size: 15px;
    color: #555;
    line-height: 1.7;
    word-break: keep-all;
}

@media (max-width: 1200px) {
    .diagram-card { width: calc(50% - 15px); }
    .diagram-grid::before { left: 25%; right: 25%; }
    /* Hide lines on complex wrapping */
    .diagram-grid::before, .diagram-card::before, .diagram-center::after { display: none; }
	.ibcs-intro-card {padding:30px;}
	.feature-item {display:inline-grid;}
}

@media (max-width: 1024px) {
    .ibcs-intro { flex-direction: column; gap: 30px; }
    .features-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .diagram-card { width: 100%; }
    .effects-container { padding: 50px 20px; }
}