/* 主样式文件 - 全局样式和变量 */

/* 基础重置和变量 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #ff4757;
    --primary-light: #ff6b7a;
    --primary-dark: #ff3742;
    --secondary-color: #5352ed;
    --text-primary: #2f3542;
    --text-secondary: #57606f;
    --text-light: #8395a7;
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --shadow-light: 0 2px 10px rgba(0,0,0,0.1);
    --shadow-medium: 0 8px 30px rgba(0,0,0,0.12);
    --shadow-heavy: 0 15px 35px rgba(0,0,0,0.1);
    --border-radius: 16px;
    --border-radius-small: 8px;
    --animation-speed: 0.3s;
}

/* 全局样式 */
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    overflow-x: hidden;
}

.container {
    position: relative;
    min-height: 100vh;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
}

/* 主内容区域 */
.main-content {
    position: relative;
    z-index: 1;
    max-width: 1200px;
    margin: 0 auto;
    padding: 100px 20px 0 20px;
}

/* 通用动画类 */
@keyframes slideInRight {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

@keyframes slideOutRight {
    from { transform: translateX(0); opacity: 1; }
    to { transform: translateX(100%); opacity: 0; }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(10deg); }
}

@keyframes floatUp {
    to {
        transform: translateY(-100vh) rotate(360deg);
        opacity: 0;
    }
}

@keyframes rippleAnimation {
    to {
        transform: scale(4);
        opacity: 0;
    }
}

/* 波纹效果 */
.ripple {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.6);
    transform: scale(0);
    animation: rippleAnimation 0.6s linear;
    pointer-events: none;
}

/* 背景装饰元素 */
.bg-decorations {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
}

.floating-shape {
    position: absolute;
    border-radius: 50%;
    background: linear-gradient(45deg, var(--primary-color), var(--primary-light));
    opacity: 0.1;
    animation: float 6s ease-in-out infinite;
}

.shape-1 {
    width: 80px;
    height: 80px;
    top: 10%;
    right: 15%;
    animation-delay: 0s;
}

.shape-2 {
    width: 120px;
    height: 120px;
    top: 60%;
    left: 10%;
    animation-delay: 2s;
}

.shape-3 {
    width: 60px;
    height: 60px;
    top: 30%;
    right: 30%;
    animation-delay: 4s;
}

.shape-4 {
    width: 100px;
    height: 100px;
    bottom: 20%;
    right: 20%;
    animation-delay: 1s;
}

.shape-5 {
    width: 140px;
    height: 140px;
    bottom: 10%;
    left: 20%;
    animation-delay: 3s;
}