/* 功能页样式 - ProtonVPN Edition I */

.page-hero {
    padding: 150px 20px 80px;
    text-align: center;
    background: radial-gradient(ellipse at top, rgba(109, 74, 255, 0.15), transparent 60%);
}

.page-hero h1 {
    font-size: 3rem;
    margin-bottom: 15px;
    font-weight: 800;
}

.page-hero p {
    color: var(--gray);
    font-size: 1.2rem;
}

.features-section { padding: 80px 20px; }

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 30px;
}

.feature-card-large {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(109, 74, 255, 0.2);
    border-radius: 20px;
    padding: 35px 30px;
    display: flex;
    gap: 20px;
    transition: all 0.4s;
}

.feature-card-large:hover {
    border-color: var(--primary);
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(109, 74, 255, 0.2);
}

.feature-icon-big {
    font-size: 3rem;
    flex-shrink: 0;
    width: 80px;
    height: 80px;
    background: rgba(109, 74, 255, 0.1);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-content h3 {
    font-size: 1.4rem;
    margin-bottom: 12px;
}

.feature-content > p {
    color: var(--gray);
    margin-bottom: 15px;
    line-height: 1.7;
}

.feature-list {
    list-style: none;
    padding: 0;
}

.feature-list li {
    padding: 5px 0;
    color: var(--secondary);
    font-size: 0.95rem;
    position: relative;
    padding-left: 20px;
}

.feature-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--secondary);
    font-weight: bold;
}

/* CTA 区块（页面内） */
.cta-section { padding: 60px 20px 100px; }

.cta-box {
    background: linear-gradient(135deg, rgba(109, 74, 255, 0.15), rgba(0, 212, 255, 0.1));
    border: 1px solid rgba(109, 74, 255, 0.3);
    padding: 60px 40px;
    border-radius: 20px;
    text-align: center;
}

.cta-box h2 {
    font-size: 2.2rem;
    margin-bottom: 15px;
}

.cta-box p {
    color: var(--gray);
    margin-bottom: 30px;
    font-size: 1.1rem;
}

@media (max-width: 768px) {
    .page-hero h1 { font-size: 2.2rem; }
    .features-grid { grid-template-columns: 1fr; }
    .feature-card-large { flex-direction: column; }
    .cta-box { padding: 40px 20px; }
    .cta-box h2 { font-size: 1.6rem; }
}