/* 重置和基础样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, #3A3A3A 0%, #2a2a2a 50%, #3A3A3A 100%);
    min-height: 100vh;
    overflow-x: hidden;
    cursor: none;
}

/* 欢迎页面容器 */
.welcome-container {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
}

/* 欢迎内容 */
.welcome-content {
    text-align: center;
    color: #F2D7CD;
    z-index: 10;
    position: relative;
    padding: 2rem;
    max-width: 800px;
}

/* 网站图标样式 */
.site-icon {
    margin-bottom: 2rem;
    opacity: 0;
    animation: fadeInUp 1s ease-out 0.3s forwards;
}

.site-icon-img {
    width: 80px;
    height: 80px;
    border-radius: 20px;
    object-fit: cover;
    box-shadow: 0 8px 25px rgba(160, 193, 203, 0.3);
    transition: all 0.3s ease;
}

.site-icon-img:hover {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 12px 35px rgba(160, 193, 203, 0.5);
}

.welcome-title {
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: linear-gradient(45deg, #F2D7CD, #A0C1CB, #F2D7CD);
    background-size: 200% 200%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientMove 4s ease-in-out infinite;
    letter-spacing: 2px;
}

.welcome-subtitle {
    font-size: 1.5rem;
    font-weight: 300;
    color: #D4A796;
    margin-bottom: 2rem;
    opacity: 0;
    animation: fadeInUp 1s ease-out 0.5s forwards;
}

.welcome-divider {
    width: 100px;
    height: 3px;
    background: linear-gradient(90deg, transparent, #A0C1CB, transparent);
    margin: 2rem auto;
    border-radius: 2px;
}

.welcome-description {
    font-size: 1.2rem;
    color: #F2D7CD;
    margin-bottom: 3rem;
    line-height: 1.8;
    opacity: 0;
    animation: fadeInUp 1s ease-out 1s forwards;
}

/* 小红书按钮样式 */
.social-links {
    margin-top: 2rem;
    display: flex;
    justify-content: center;
    gap: 1rem;
    opacity: 0;
    animation: fadeInUp 1s ease-out 1.5s forwards;
}

.social-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.8rem 1.5rem;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    border: 2px solid;
    backdrop-filter: blur(10px);
    font-size: 0.95rem;
    cursor: pointer;
}

.xiaohongshu-btn {
    background: rgba(255, 255, 255, 0.1);
    color: #F2D7CD;
    border-color: rgba(242, 215, 205, 0.3);
}

.xiaohongshu-btn:hover {
    background: rgba(242, 215, 205, 0.15);
    border-color: rgba(242, 215, 205, 0.6);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(242, 215, 205, 0.2);
}

.social-icon {
    width: 20px;
    height: 20px;
    fill: currentColor;
}

/* 背景装饰圆圈 */
.welcome-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 1;
}

.bg-circle {
    position: absolute;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(160, 193, 203, 0.1) 0%, transparent 70%);
    animation: float 20s infinite ease-in-out;
}

.circle-1 {
    width: 300px;
    height: 300px;
    top: -150px;
    left: -150px;
    animation-delay: 0s;
}

.circle-2 {
    width: 200px;
    height: 200px;
    top: 50%;
    right: -100px;
    animation-delay: 5s;
}

.circle-3 {
    width: 400px;
    height: 400px;
    bottom: -200px;
    left: 30%;
    animation-delay: 10s;
}

.circle-4 {
    width: 150px;
    height: 150px;
    top: 20%;
    left: 20%;
    animation-delay: 15s;
}

/* 指针特效样式 */
.cursor {
    position: fixed;
    top: 0;
    left: 0;
    width: 20px;
    height: 20px;
    pointer-events: none;
    z-index: 9999;
    mix-blend-mode: difference;
}

.cursor-dot {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 8px;
    height: 8px;
    background: #F2D7CD;
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: all 0.1s ease;
}

.cursor-circle {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 30px;
    height: 30px;
    border: 2px solid rgba(242, 215, 205, 0.8);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: all 0.3s ease;
}

.cursor.hover .cursor-circle {
    width: 50px;
    height: 50px;
    border-color: #A0C1CB;
    border-width: 3px;
}

.cursor.hover .cursor-dot {
    background: #D4A796;
    width: 6px;
    height: 6px;
}

/* 动画定义 */
@keyframes gradientMove {
    0%, 100% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
    opacity: 1;
    transform: translateY(0);
    }
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    25% {
        transform: translate(30px, -30px) scale(1.1);
    }
    50% {
        transform: translate(-20px, 20px) scale(0.9);
    }
    75% {
        transform: translate(40px, 10px) scale(1.05);
    }
}

/* 备案信息样式 */
.footer {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    pointer-events: none;
}

.footer-content {
    text-align: center;
    padding: 1rem;
    pointer-events: auto;
}

.icp-number {
    font-size: 0.8rem;
    color: rgba(242, 215, 205, 0.4);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    letter-spacing: 1px;
    text-decoration: none;
    transition: color 0.3s ease;
}

.icp-number:hover {
    color: rgba(242, 215, 205, 0.8);
    text-decoration: none;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .site-icon-img {
        width: 60px;
        height: 60px;
    }
    
    .welcome-title {
        font-size: 2.5rem;
    }
    
    .welcome-subtitle {
        font-size: 1.2rem;
    }
    
    .welcome-description {
        font-size: 1rem;
        padding: 0 1rem;
    }
    
    .social-links {
        margin-top: 1.5rem;
    }
    
    .social-btn {
        padding: 0.7rem 1.2rem;
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .site-icon-img {
        width: 50px;
        height: 50px;
        border-radius: 15px;
    }
    
    .welcome-title {
        font-size: 2rem;
    }
    
    .welcome-content {
        padding: 1rem;
    }
    
    .social-btn {
        padding: 0.6rem 1rem;
        font-size: 0.85rem;
    }
}