:root {
    --primary: #ff3e7f;
    --secondary: #7c4dff;
    --accent: #00e5ff;
    --fire: #ff4d4d;
    --earth: #4caf50;
    --air: #2196f3;
    --water: #03a9f4;
    --text-light: #ffffff;
    --background-dark: #0a0a1a;
    --card-bg: rgba(255, 255, 255, 0.1);
    --card-hover: rgba(255, 255, 255, 0.2);
}

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

body {
    font-family: 'Noto Serif SC', serif;
    line-height: 1.6;
    color: var(--text-light);
    background-color: var(--background-dark);
    overflow-x: hidden;
}

/* 星空背景 */
.stars, .twinkling, .meteors {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -10;
}

.stars {
    background: #000 url('https://cdn.jsdelivr.net/gh/Gao-Haifei/CommunicationsArchitecture-web@main/images/stars.png') repeat;
    animation: move-background 150s linear infinite;
}

.twinkling {
    background: transparent url('https://cdn.jsdelivr.net/gh/Gao-Haifei/CommunicationsArchitecture-web@main/images/twinkling.png') repeat;
    animation: move-background 100s linear infinite;
    opacity: 0.5;
}

.meteors {
    overflow: hidden;
}

@keyframes move-background {
    from { background-position: 0 0; }
    to { background-position: 1000px 0; }
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
}

header {
    text-align: center;
    margin-bottom: 2rem;
    color: var(--text-light);
}

.header-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--primary);
}

h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-light);
}

.subtitle {
    color: rgba(255, 255, 255, 0.7);
    font-size: 1.1rem;
}

main section {
    margin-bottom: 3rem;
    background-color: rgba(0, 0, 0, 0.5);
    border-radius: 10px;
    padding: 2rem;
}

.section-icon {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--primary);
}

h2 {
    text-align: center;
    color: var(--primary);
    margin-bottom: 1.5rem;
}

.rule-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.rule {
    background-color: rgba(0, 0, 0, 0.3);
    border-radius: 10px;
    padding: 1.5rem;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.rule:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
}

.rule-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--primary);
}

.rule h3 {
    margin-bottom: 0.5rem;
    color: var(--text-light);
}

.rule-details {
    margin-top: 1rem;
    text-align: left;
    background-color: rgba(0, 0, 0, 0.2);
    border-radius: 8px;
    padding: 1rem;
}

.rule-details h4 {
    color: var(--secondary);
    margin-bottom: 0.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding-bottom: 0.3rem;
}

.rule-details ul {
    list-style-type: none;
    padding-left: 0.5rem;
}

.rule-details ul li {
    margin-bottom: 0.3rem;
    position: relative;
    padding-left: 1rem;
}

.rule-details ul li::before {
    content: '•';
    color: var(--primary);
    position: absolute;
    left: 0;
}

footer {
    text-align: center;
    padding: 2rem;
    color: rgba(255, 255, 255, 0.6);
}

.footer-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--primary);
}

.zodiac-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    padding: 1rem;
}

.zodiac-category {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.zodiac-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.zodiac-card {
    width: 100%;
    height: auto;
    min-height: 280px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    background: var(--card-bg);
    border-radius: 15px;
    padding: 1.5rem;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
    animation: float 6s ease-in-out infinite;
}

.zodiac-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transform: translateX(-100%);
    transition: 0.5s;
}

.zodiac-card:hover::before {
    transform: translateX(100%);
}

.zodiac-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
    background: var(--card-hover);
}

.fire .zodiac-card {
    background: linear-gradient(135deg, rgba(255, 77, 77, 0.1), rgba(255, 62, 127, 0.1));
    border: 2px solid var(--fire);
    box-shadow: 0 0 15px rgba(255, 77, 77, 0.2);
}

.fire .zodiac-card:hover {
    box-shadow: 0 0 25px rgba(255, 77, 77, 0.4);
    background: linear-gradient(135deg, rgba(255, 77, 77, 0.2), rgba(255, 62, 127, 0.2));
}

.fire .card-icon {
    color: var(--fire);
    text-shadow: 0 0 10px rgba(255, 77, 77, 0.5);
}

.fire .category-header {
    background: linear-gradient(135deg, rgba(255, 77, 77, 0.2), rgba(255, 62, 127, 0.2));
    border: 1px solid var(--fire);
}

.earth .zodiac-card {
    background: linear-gradient(135deg, rgba(76, 175, 80, 0.1), rgba(46, 125, 50, 0.1));
    border: 2px solid var(--earth);
    box-shadow: 0 0 15px rgba(76, 175, 80, 0.2);
}

.earth .zodiac-card:hover {
    box-shadow: 0 0 25px rgba(76, 175, 80, 0.4);
    background: linear-gradient(135deg, rgba(76, 175, 80, 0.2), rgba(46, 125, 50, 0.2));
}

.earth .card-icon {
    color: var(--earth);
    text-shadow: 0 0 10px rgba(76, 175, 80, 0.5);
}

.earth .category-header {
    background: linear-gradient(135deg, rgba(76, 175, 80, 0.2), rgba(46, 125, 50, 0.2));
    border: 1px solid var(--earth);
}

.air .zodiac-card {
    background: linear-gradient(135deg, rgba(33, 150, 243, 0.1), rgba(3, 169, 244, 0.1));
    border: 2px solid var(--air);
    box-shadow: 0 0 15px rgba(33, 150, 243, 0.2);
}

.air .zodiac-card:hover {
    box-shadow: 0 0 25px rgba(33, 150, 243, 0.4);
    background: linear-gradient(135deg, rgba(33, 150, 243, 0.2), rgba(3, 169, 244, 0.2));
}

.air .card-icon {
    color: var(--air);
    text-shadow: 0 0 10px rgba(33, 150, 243, 0.5);
}

.air .category-header {
    background: linear-gradient(135deg, rgba(33, 150, 243, 0.2), rgba(3, 169, 244, 0.2));
    border: 1px solid var(--air);
}

.water .zodiac-card {
    background: linear-gradient(135deg, rgba(3, 169, 244, 0.1), rgba(0, 229, 255, 0.1));
    border: 2px solid var(--water);
    box-shadow: 0 0 15px rgba(3, 169, 244, 0.2);
}

.water .zodiac-card:hover {
    box-shadow: 0 0 25px rgba(3, 169, 244, 0.4);
    background: linear-gradient(135deg, rgba(3, 169, 244, 0.2), rgba(0, 229, 255, 0.2));
}

.water .card-icon {
    color: var(--water);
    text-shadow: 0 0 10px rgba(3, 169, 244, 0.5);
}

.water .category-header {
    background: linear-gradient(135deg, rgba(3, 169, 244, 0.2), rgba(0, 229, 255, 0.2));
    border: 1px solid var(--water);
}

.card-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--primary);
    transition: all 0.3s ease;
}

.zodiac-card:hover .card-icon {
    transform: scale(1.2) rotate(5deg);
    color: var(--accent);
}

.category-header {
    text-align: center;
    margin-bottom: 2rem;
    padding: 1.5rem;
    border-radius: 10px;
    background: rgba(0, 0, 0, 0.3);
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.category-header:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.category-header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--primary), transparent);
    animation: shimmer 2s infinite;
}

@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
    100% { transform: translateY(0px); }
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* 增强动画效果 */
.zodiac-card {
    animation: float 6s ease-in-out infinite;
}

.zodiac-card:nth-child(2) {
    animation-delay: 0.2s;
}

.zodiac-card:nth-child(3) {
    animation-delay: 0.4s;
}

/* 分类标题增强 */
.category-header h2 {
    font-size: 2.2rem;
    margin-bottom: 0.5rem;
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.3);
    transition: all 0.3s ease;
}

.category-header:hover h2 {
    transform: scale(1.05);
    text-shadow: 0 0 15px rgba(255, 255, 255, 0.5);
}

.category-header p {
    font-size: 1.1rem;
    opacity: 0.8;
    transition: all 0.3s ease;
}

.category-header:hover p {
    opacity: 1;
}

.detail-section {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 8px;
    padding: 1rem;
    margin-top: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.detail-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.05), transparent);
    transform: translateX(-100%);
    transition: 0.5s;
}

.detail-section:hover::before {
    transform: translateX(100%);
}

.detail-section:hover {
    background: rgba(0, 0, 0, 0.3);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.detail-section h4 {
    color: var(--accent);
    margin-bottom: 0.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding-bottom: 0.3rem;
}

/* 响应式布局优化 */
@media (max-width: 1400px) {
    .zodiac-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 1024px) {
    .zodiac-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .zodiac-grid {
        grid-template-columns: 1fr;
    }
    
    .zodiac-card {
        min-height: 250px;
    }
    
    .category-header h2 {
        font-size: 1.8rem;
    }
}