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

body {
    font-family: 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, #1E3C72, #2A5298);
    color: #333;
    line-height: 1.6;
    overflow-x: hidden;
}

/* 分屏布局 */
.split-screen {
    display: flex;
    min-height: 100vh;
    flex-wrap: wrap;
}

.left-section, .right-section {
    flex: 1;
    padding: 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

/* 左侧样式 */
.left-section {
    background: radial-gradient(circle, rgba(255, 87, 34, 0.8), transparent);
    color: #fff;
    position: relative;
    overflow: hidden;
}

.left-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: url('https://images.gptkong.com/demo/sample1.png') no-repeat center center / cover;
    opacity: 0.3;
    animation: float 20s linear infinite;
}

@keyframes float {
    0% { transform: translateY(0) rotate(0); }
    50% { transform: translateY(-20px) rotate(180deg); }
    100% { transform: translateY(0) rotate(360deg); }
}

.left-section h1 {
    font-size: 3rem;
    margin-bottom: 20px;
    font-weight: bold;
    text-shadow: 2px 2px 8px rgba(0,0,0,0.3);
}

.left-section p {
    font-size: 1.2rem;
    margin-bottom: 30px;
}

/* 右侧样式 */
.right-section {
    background: #F5F5F5;
    color: #333;
    position: relative;
}

.right-section::before {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 150%;
    height: 150%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.5), transparent);
    transform: rotate(-45deg);
    opacity: 0.2;
}

.right-section h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: #0D47A1;
    font-weight: bold;
}

.right-section p {
    font-size: 1rem;
    margin-bottom: 20px;
}

.right-section a {
    color: #FF5722;
    text-decoration: none;
    transition: color 0.3s ease;
}

.right-section a:hover {
    color: #E64A19;
}

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(0,0,0,0.7);
    padding: 20px;
    z-index: 1000;
}

.navbar ul {
    list-style: none;
    display: flex;
    justify-content: center;
}

.navbar li {
    margin: 0 15px;
}

.navbar a {
    color: #fff;
    font-size: 1rem;
    text-decoration: none;
    transition: color 0.3s ease;
}

.navbar a:hover {
    color: #FF5722;
}

/* 内容区域 */
.content {
    padding: 100px 20px 50px 20px;
    max-width: 1200px;
    margin: auto;
}

.content h2 {
    text-align: center;
    margin-bottom: 40px;
    color: #2A5298;
}

.article {
    background: #fff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    margin-bottom: 50px;
}

.article h2, .article h3, .article h4 {
    color: #0D47A1;
    margin-bottom: 15px;
}

.article p {
    margin-bottom: 15px;
    line-height: 1.8;
    color: #555;
}

.article pre {
    background: #f0f0f0;
    padding: 15px;
    border-radius: 5px;
    overflow-x: auto;
    margin-bottom: 20px;
}

.article code {
    font-family: 'Courier New', Courier, monospace;
    color: #d6336c;
}

/* 数据展示 */
.data-section {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 50px;
}

.data-card {
    background: #fff;
    flex: 1;
    min-width: 250px;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    position: relative;
}

.data-card img {
    width: 100%;
    height: auto;
    border-radius: 5px;
    margin-bottom: 15px;
}

.data-card h3 {
    margin-bottom: 10px;
    color: #2A5298;
}

.data-card p {
    color: #555;
    margin-bottom: 10px;
}

.data-card .progress-bar {
    background: #ddd;
    border-radius: 5px;
    overflow: hidden;
    height: 10px;
    margin-top: 10px;
}

.data-card .progress {
    height: 100%;
    background: #0D47A1;
    width: 30%;
    transition: width 0.5s ease;
}

/* 表格样式 */
.table-section {
    overflow-x: auto;
    margin-bottom: 50px;
}

.table-section table {
    width: 100%;
    border-collapse: collapse;
}

.table-section th, .table-section td {
    padding: 12px 15px;
    border: 1px solid #ddd;
    text-align: left;
}

.table-section th {
    background: #0D47A1;
    color: #fff;
}

.table-section tr:nth-child(even) {
    background: #f9f9f9;
}

/* 图标样式 */
.icon {
    width: 24px;
    height: 24px;
    fill: #FFC107;
    margin-right: 10px;
}

/* 动画效果 */
.button {
    background: #FF5722;
    color: #fff;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: transform 0.3s ease, background 0.3s ease;
}

.button:hover {
    transform: scale(1.1);
    background: #E64A19;
}

/* 响应式设计 */
@media (max-width: 1440px) {
    .split-screen {
        flex-direction: row;
    }
}

@media (max-width: 1200px) {
    .split-screen {
        flex-direction: column;
    }
}

@media (max-width: 1024px) {
    .left-section, .right-section {
        padding: 30px;
    }
}

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

    .navbar li {
        margin: 10px 0;
    }

    .data-section {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .left-section h1 {
        font-size: 2rem;
    }

    .right-section h2 {
        font-size: 2rem;
    }

    .content h2 {
        font-size: 1.8rem;
    }
}

@media (max-width: 320px) {
    .left-section h1 {
        font-size: 1.5rem;
    }

    .right-section h2 {
        font-size: 1.5rem;
    }

    .content h2 {
        font-size: 1.5rem;
    }
}

/* 视觉提示 */
.reference-note {
    text-align: center;
    font-size: 1rem;
    color: #888;
    margin-top: 20px;
}