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

:root {
    --primary-color: #8B4513;
    --secondary-color: #D4AF37;
    --bg-gradient-start: #1a1a2e;
    --bg-gradient-end: #16213e;
    --card-bg: rgba(255, 255, 255, 0.95);
    --text-primary: #2c3e50;
    --text-secondary: #7f8c8d;
    --border-color: #e0e0e0;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    --shadow-hover: 0 15px 40px rgba(0, 0, 0, 0.3);
}

body {
    font-family: 'Noto Sans SC', 'Noto Serif SC', serif;
    background: linear-gradient(135deg, var(--bg-gradient-start) 0%, var(--bg-gradient-end) 100%);
    min-height: 100vh;
    color: var(--text-primary);
    line-height: 1.6;
    padding: 20px;
    position: relative;
    overflow-x: hidden;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(212, 175, 55, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(139, 69, 19, 0.1) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

/* 头部样式 */
.header {
    text-align: center;
    padding: 60px 20px 40px;
    margin-bottom: 30px;
}

.logo h1 {
    font-size: 4rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--primary-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 15px;
    text-shadow: 0 2px 10px rgba(212, 175, 55, 0.3);
    letter-spacing: 0.1em;
    font-family: 'Noto Serif SC', serif;
}

.subtitle {
    font-size: 1.3rem;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 400;
    letter-spacing: 0.05em;
}

/* 卡片通用样式 */
.intro-card,
.advantages-card,
.cta-card {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 50px 40px;
    margin-bottom: 30px;
    box-shadow: var(--shadow);
    backdrop-filter: blur(10px);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.intro-card:hover,
.advantages-card:hover,
.cta-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.intro-card h2,
.advantages-card h2,
.cta-card h2 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 25px;
    text-align: center;
    position: relative;
    padding-bottom: 20px;
    font-family: 'Noto Serif SC', serif;
}

.intro-card h2::after,
.advantages-card h2::after,
.cta-card h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--secondary-color), var(--primary-color));
    border-radius: 2px;
}

.intro-text {
    font-size: 1.2rem;
    color: var(--text-secondary);
    text-align: center;
    line-height: 1.8;
    max-width: 800px;
    margin: 0 auto;
}

/* 功能特色区域 */
.features-section {
    margin-bottom: 30px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    margin-bottom: 30px;
}

.feature-card {
    background: var(--card-bg);
    border-radius: 15px;
    padding: 30px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
    border-color: var(--secondary-color);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 15px;
    display: block;
}

.feature-card h3 {
    font-size: 1.4rem;
    color: var(--primary-color);
    margin-bottom: 12px;
    font-family: 'Noto Serif SC', serif;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.6;
}

/* 优势区域 */
.advantages-list {
    margin-top: 40px;
}

.advantage-item {
    display: flex;
    align-items: flex-start;
    gap: 25px;
    margin-bottom: 30px;
    padding: 25px;
    background: #f8f9fa;
    border-radius: 12px;
    transition: all 0.3s ease;
}

.advantage-item:hover {
    background: #f0f0f0;
    transform: translateX(5px);
}

.advantage-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--secondary-color);
    background: rgba(212, 175, 55, 0.1);
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    flex-shrink: 0;
    font-family: 'Noto Serif SC', serif;
}

.advantage-content {
    flex: 1;
}

.advantage-content h3 {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 10px;
    font-family: 'Noto Serif SC', serif;
}

.advantage-content p {
    color: var(--text-secondary);
    font-size: 1.05rem;
    line-height: 1.7;
}

/* CTA按钮区域 */
.cta-section {
    margin-bottom: 30px;
}

.cta-text {
    font-size: 1.2rem;
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 35px;
    line-height: 1.8;
}

.visit-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
    padding: 18px 40px;
    background: linear-gradient(135deg, var(--primary-color) 0%, #6b3410 100%);
    color: white;
    text-decoration: none;
    border-radius: 12px;
    font-size: 1.3rem;
    font-weight: 600;
    font-family: 'Noto Serif SC', serif;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 6px 20px rgba(139, 69, 19, 0.4);
    border: none;
}

.visit-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(139, 69, 19, 0.5);
    background: linear-gradient(135deg, #9b5523 0%, #7b4420 100%);
}

.visit-btn:active {
    transform: translateY(-1px);
}

.btn-icon {
    width: 24px;
    height: 24px;
}

/* 页脚样式 */
.footer {
    text-align: center;
    padding: 40px 20px;
    color: rgba(255, 255, 255, 0.8);
    font-size: 1rem;
}

.footer .disclaimer {
    margin-top: 15px;
    font-size: 0.9rem;
    opacity: 0.7;
}

.footer-keywords {
    margin-top: 20px;
    font-size: 0.9rem;
    line-height: 1.8;
    opacity: 0.8;
}

.footer-keywords a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.3s ease;
    margin: 0 5px;
}

.footer-keywords a:hover {
    color: var(--secondary-color);
    text-decoration: underline;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .logo h1 {
        font-size: 2.8rem;
    }

    .subtitle {
        font-size: 1.1rem;
    }

    .intro-card,
    .advantages-card,
    .cta-card {
        padding: 30px 25px;
    }

    .intro-card h2,
    .advantages-card h2,
    .cta-card h2 {
        font-size: 2rem;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .advantage-item {
        flex-direction: column;
        text-align: center;
    }

    .advantage-number {
        margin: 0 auto;
    }

    .visit-btn {
        font-size: 1.1rem;
        padding: 16px 30px;
    }
}

@media (max-width: 480px) {
    body {
        padding: 10px;
    }

    .header {
        padding: 40px 10px 30px;
    }

    .logo h1 {
        font-size: 2.2rem;
    }

    .subtitle {
        font-size: 1rem;
    }

    .intro-card h2,
    .advantages-card h2,
    .cta-card h2 {
        font-size: 1.6rem;
    }

    .intro-text,
    .cta-text {
        font-size: 1rem;
    }

    .feature-card {
        padding: 25px 20px;
    }

    .advantage-item {
        padding: 20px;
    }

    .advantage-content h3 {
        font-size: 1.3rem;
    }
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-gradient-start);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-color);
}

/* 动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.feature-card,
.advantage-item {
    animation: fadeInUp 0.6s ease forwards;
}

.feature-card:nth-child(1) { animation-delay: 0.1s; }
.feature-card:nth-child(2) { animation-delay: 0.2s; }
.feature-card:nth-child(3) { animation-delay: 0.3s; }
.feature-card:nth-child(4) { animation-delay: 0.4s; }
.feature-card:nth-child(5) { animation-delay: 0.5s; }
.feature-card:nth-child(6) { animation-delay: 0.6s; }