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

body {
    font-family: 'Poppins', sans-serif;
    background: linear-gradient(135deg, #0A1F3C, #F5F5F5);
    color: #0A1F3C;
    line-height: 1.6;
    letter-spacing: 0.5px;
    overflow-x: hidden;
    animation: background-move 15s linear infinite;
}

@keyframes background-move {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

/* 导航栏样式 */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 31, 60, 0.9);
    padding: 20px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
}

.navbar a {
    color: #F5F5F5;
    text-decoration: none;
    margin-left: 20px;
    transition: color 0.3s ease;
}

.navbar a:hover {
    color: #FF6F61;
}

.navbar .cta-button {
    background-color: #FF6F61;
    color: #FFFFFF;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: transform 0.3s ease, background-color 0.3s ease;
}

.navbar .cta-button:hover {
    background-color: #E54D42;
    transform: scale(1.05);
}

/* 主要内容区域 */
.main {
    padding-top: 100px;
    padding-left: 20px;
    padding-right: 20px;
}

.section {
    padding: 60px 0;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.section h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: #FF6F61;
}

.section p {
    max-width: 800px;
    text-align: center;
    margin-bottom: 20px;
    font-weight: 300;
}

.section img {
    width: 320px;
    height: 320px;
    border-radius: 10px;
    margin: 10px;
    animation: fade-in 2s ease-in-out;
}

@keyframes fade-in {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* 示例展示样式 */
.example-section {
    background: rgba(245, 245, 245, 0.9);
    padding: 40px;
    border-radius: 10px;
    margin-top: 40px;
}

.example-section h2 {
    color: #39FF14;
    margin-bottom: 20px;
}

.example-section article {
    max-width: 1000px;
    margin: 0 auto;
}

.example-section pre {
    background: #0A1F3C;
    color: #39FF14;
    padding: 20px;
    border-radius: 5px;
    overflow-x: auto;
    margin-bottom: 20px;
}

.example-section table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 20px;
}

.example-section table, .example-section th, .example-section td {
    border: 1px solid #0A1F3C;
}

.example-section th, .example-section td {
    padding: 10px;
    text-align: left;
}

.example-section th {
    background-color: #FF6F61;
    color: #FFFFFF;
}

.code-preview {
    background: #F5F5F5;
    padding: 15px;
    border-left: 5px solid #39FF14;
    margin-bottom: 20px;
    font-family: 'Roboto Mono', monospace;
}

/* 按钮和交互 */
.button {
    background-color: #FF6F61;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.button:hover {
    background-color: #E54D42;
    transform: scale(1.05);
}

/* 页脚样式 */
.footer {
    background: rgba(10, 31, 60, 0.9);
    color: #F5F5F5;
    padding: 20px 40px;
    text-align: center;
}

.footer a {
    color: #39FF14;
    text-decoration: none;
    margin: 0 10px;
    transition: color 0.3s ease;
}

.footer a:hover {
    color: #FF6F61;
}

/* 响应式设计 */
@media (max-width: 1440px) {
    .section h2 {
        font-size: 2.2rem;
    }
}

@media (max-width: 1200px) {
    .navbar {
        padding: 15px 30px;
    }

    .section p {
        max-width: 700px;
    }
}

@media (max-width: 1024px) {
    .section {
        padding: 50px 0;
    }

    .example-section {
        padding: 30px;
    }
}

@media (max-width: 768px) {
    .navbar {
        flex-direction: column;
        align-items: flex-start;
    }

    .navbar a {
        margin: 10px 0;
    }

    .section img {
        width: 280px;
        height: 280px;
    }
}

@media (max-width: 480px) {
    .section h2 {
        font-size: 2rem;
    }

    .section p {
        max-width: 100%;
        padding: 0 10px;
    }

    .navbar {
        padding: 10px 20px;
    }

    .example-section pre {
        padding: 15px;
    }
}

@media (max-width: 320px) {
    .section h2 {
        font-size: 1.8rem;
    }

    .navbar {
        padding: 8px 16px;
    }

    .section img {
        width: 240px;
        height: 240px;
    }
}

/* 动态线条动画 */
.line-animation {
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    background: radial-gradient(circle, rgb(255, 87, 34), transparent);
    animation: aurora-move 15s linear infinite;
    z-index: -1;
}

@keyframes aurora-move {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

/* 信息提示 */
.notice {
    text-align: center;
    font-size: 1.2rem;
    color: #FF6F61;
    margin-top: 20px;
}