:root {
    --primary-color: #3a86ff;
    --secondary-color: #4361ee;
    --accent-color: #7209b7;
    --background-color: #f5f7fa;
    --text-color: #2b2d42;
    --light-text: #8d99ae;
    --link-color: #3a86ff;
    --link-hover-color: #4361ee;
    --card-bg: #ffffff;
    --border-color: #e2e8f0;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--background-color);
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    -webkit-hyphens: auto;
    -ms-hyphens: auto;
    hyphens: auto;
}

.container {
    background-color: var(--card-bg);
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05), 0 1px 3px rgba(0, 0, 0, 0.1);
    padding: 40px;
    margin-bottom: 30px;
}

.header {
    margin-bottom: 40px;
    text-align: center;
    position: relative;
}

.header-badge {
    display: inline-block;
    background-color: var(--accent-color);
    color: white;
    padding: 8px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
    margin-bottom: 20px;
}

h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    color: var(--text-color);
    font-weight: 700;
    word-wrap: break-word;
    hyphens: auto;
}

h2 {
    font-size: 1.8rem;
    margin: 30px 0 15px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--border-color);
    color: var(--secondary-color);
}

h3 {
    font-size: 1.4rem;
    margin: 25px 0 15px;
    color: var(--text-color);
}

p {
    margin-bottom: 20px;
    font-size: 1.05rem;
}

ul,
ol {
    margin: 0 0 20px 25px;
}

li {
    margin-bottom: 10px;
}

a {
    color: var(--link-color);
    text-decoration: none;
    transition: color 0.2s;
}

a:hover {
    color: var(--link-hover-color);
    text-decoration: underline;
}

.contact-info {
    background-color: #f8fafc;
    padding: 25px;
    border-radius: 8px;
    margin: 20px 0;
    border-left: 4px solid var(--primary-color);
}

.contact-info li {
    list-style-type: none;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
}

.contact-info i {
    width: 25px;
    margin-right: 10px;
    color: var(--primary-color);
}

.notice {
    background-color: #eff6ff;
    border-left: 4px solid #3b82f6;
    padding: 15px;
    margin: 20px 0;
    border-radius: 4px;
}

.update-date {
    font-style: italic;
    color: var(--light-text);
    margin-bottom: 30px;
    text-align: center;
}

.rights-section {
    background-color: #f0f9ff;
    padding: 25px;
    border-radius: 8px;
    margin: 20px 0;
}

.rights-section ul {
    list-style-type: disc;
}

.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background-color: var(--primary-color);
    color: white;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, background-color 0.3s, visibility 0.3s;
    z-index: 1000;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.back-to-top:hover {
    background-color: var(--secondary-color);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top i {
    font-size: 1.5rem;
}

@media (max-width: 768px) {
    body {
        padding: 15px;
    }

    .container {
        padding: 25px 20px;
    }

    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.5rem;
    }

    h3 {
        font-size: 1.2rem;
    }

    .back-to-top {
        width: 40px;
        height: 40px;
        bottom: 20px;
        right: 20px;
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.8s ease-out forwards;
}

.delay-1 {
    animation-delay: 0.1s;
}

.delay-2 {
    animation-delay: 0.2s;
}

.delay-3 {
    animation-delay: 0.3s;
}

.delay-4 {
    animation-delay: 0.4s;
}