:root {
    --primary-color: #FF3366;
    --secondary-color: #7000FF;
    --accent-color: #00E4FF;
    --text-color: #FFFFFF;
    --bg-dark: #0A0A1F;
}

body {
    font-family: 'SF Pro Display', -apple-system, BlinkMacSystemFont, sans-serif;
    margin: 0;
    padding: 0;
    background: var(--bg-dark);
    color: var(--text-color);
    overflow-x: hidden;
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.2rem 4rem;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-sizing: border-box;
    background: rgba(10, 10, 31, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 6rem 2rem;
    position: relative;
}

.hero-content {
    text-align: center;
    max-width: 1000px;
    z-index: 1;
}

.glass-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 24px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 2rem;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    padding: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.footer {
    text-align: center;
    padding: 2rem;
    margin-top: 4rem;
}

.logo {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-color);
    text-decoration: none;
    letter-spacing: 1px;
    padding: 8px 16px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.1);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.logo:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
}

.subtitle {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.gradient-text {
    background: linear-gradient(135deg, var(--accent-color), var(--primary-color));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: none;
}

/* 按钮样式 */
.cta-button {
    display: inline-block;
    padding: 12px 32px;
    margin-top: 2rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--text-color);
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
}

/* 关于页面样式 */
.about-section {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    padding: 8rem 2rem;
    gap: 2rem;
}

.about-content {
    max-width: 800px;
    width: 100%;
}

.about-text {
    margin: 2rem 0;
    line-height: 1.8;
}

.about-text h2 {
    color: var(--accent-color);
    margin: 2rem 0 1rem;
}

.back-button {
    display: inline-block;
    padding: 10px 24px;
    color: var(--text-color);
    text-decoration: none;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.back-button:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* AI 对话界面样式 */
.ai-chat-section {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    padding: 2rem;
    margin: -4rem auto 4rem;
    max-width: 1200px;
}

.chat-wrapper {
    width: 100%;
    max-width: 800px;
    text-align: center;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.chat-container {
    margin: 2rem auto;
    padding: 1rem;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.chat-container iframe {
    border-radius: 12px;
    transition: all 0.3s ease;
    transform: scale(0.98);
}

.chat-container iframe:hover {
    transform: scale(1);
}

/* 调整原有布局 */
.about-section {
    padding-bottom: 2rem;
    margin-bottom: 2rem;
}

/* AI 对话部分样式 */
.ai-chat-wrapper {
    width: 100%;
    max-width: 800px;
    margin-top: 2rem;
    padding: 2rem;
}

.ai-chat-container {
    width: 100%;
    height: 650px;
    display: flex;
    justify-content: center;
    align-items: center;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 16px;
    overflow: hidden;
}

.ai-chat-container iframe {
    max-width: 100%;
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.twitter-link {
    text-decoration: none;
    color: white;
    margin-left: auto;
}

.twitter-icon {
    font-size: 24px;
    width: 40px;
    height: 40px;
    background: linear-gradient(145deg, var(--primary-color), var(--secondary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
}

.twitter-icon:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 25px rgba(0, 0, 0, 0.4);
}