:root {
    --primary-color: #0071e3;
    --text-primary: #1d1d1f;
    --text-secondary: #86868b;
    --background: #f5f5f7;
    --surface: #ffffff;
    --border-color: #d2d2d7;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    --transition: all 0.3s cubic-bezier(0.25, 0.1, 0.25, 1);
}
.header__p {
    background: linear-gradient(to right, #000428, #004e92);
    color: white;
    padding: 3rem 2rem 4rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.header-content {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}
.header__p h1 {
    font-size: 3rem;
    font-weight: 600;
    margin-bottom: 1rem;
    letter-spacing: -0.5px;
}
.header__p p {
    font-size: 1.25rem;
    max-width: 700px;
    margin: 0 auto 1.5rem;
    color: rgba(255, 255, 255, 0.85);
}
.update-date {
    background-color: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    display: inline-block;
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.9rem;
    margin-top: 1rem;
}
.content-card {
    background: var(--surface);
    border-radius: 20px;
    box-shadow: var(--shadow);
    overflow: hidden;
    margin-bottom: 2rem;
}
.toc {
    padding: 2rem;
    border-bottom: 1px solid var(--border-color);
}
.toc h2 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    font-weight: 600;
}
.toc-list {
    columns: 2;
    column-gap: 2rem;
}
.toc-list li {
    margin-bottom: 0.8rem;
    break-inside: avoid;
}
.toc-list a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
    display: flex;
    align-items: center;
}
.toc-list a:hover {
    color: #0056b3;
}
.toc-list i {
    margin-right: 0.5rem;
    font-size: 0.9rem;
}
.policy-content {
    padding: 3rem 2rem;
}
.policy-section {
    margin-bottom: 3rem;
}
.policy-section h2 {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
}
.policy-section h2 i {
    margin-right: 0.8rem;
    color: var(--primary-color);
    background: rgba(0, 113, 227, 0.1);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}
.policy-section p {
    margin-bottom: 1.2rem;
    color: var(--text-secondary);
}
.policy-section ul {
    margin: 1.5rem 0;
    padding-left: 1.5rem;
}
.policy-section li {
    margin-bottom: 0.8rem;
    color: var(--text-secondary);
}
.contact-info {
    max-width: 600px;
    margin: 0 auto 2rem;
}
.contact-info h3 {
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}
.contact-actions {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 1rem;
}
.contact-btn {
    display: inline-flex;
    align-items: center;
    padding: 0.8rem 1.5rem;
    background-color: var(--primary-color);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    transition: var(--transition);
    font-weight: 500;
}
.contact-btn:hover {
    background-color: #0056b3;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 113, 227, 0.3);
}
.contact-btn i {
    margin-right: 0.5rem;
}
.copyright {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 2rem;
}
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}
.content-card {
    animation: fadeIn 0.6s ease-out forwards;
}
@media (max-width: 768px) {
    .header__p {
        padding: 2rem 1.5rem 3rem;
    }
    .header__p h1 {
        font-size: 2.2rem;
    }
    .header__p p {
        font-size: 1.1rem;
    }
    .toc-list {
        columns: 1;
    }
    .policy-content {
        padding: 2rem 1.5rem;
    }
    .policy-section h2 {
        font-size: 1.5rem;
    }
    .contact-actions {
        flex-direction: column;
        align-items: center;
    }
}
@media (max-width: 480px) {
    .header__p {
        padding: 1.5rem 1rem 2.5rem;
    }
    .header__p h1 {
        font-size: 1.8rem;
    }
    .policy-content {
        padding: 1.5rem 1rem;
    }
    .policy-section h2 {
        font-size: 1.3rem;
    }
    .toc {
        padding: 1.5rem;
    }
}