/* 全局样式设置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Roboto', sans-serif;
    background: linear-gradient(135deg, #4C6EF5, #8E44AD);
    color: #ffffff;
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* 标题样式 */
h1, h2, h3 {
    font-weight: bold;
    margin-bottom: 20px;
    text-align: center;
}

h1 {
    font-size: 2.5rem;
    margin-top: 40px;
}

h2 {
    font-size: 2rem;
    margin-top: 30px;
}

h3 {
    font-size: 1.5rem;
    margin-top: 25px;
}

/* 段落样式 */
p {
    font-size: 1rem;
    margin-bottom: 15px;
    text-align: justify;
    text-justify: inter-word;
}

/* 链接样式 */
a {
    color: #FFD700;
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: #FFA500;
}

/* 按钮样式 */
.button {
    display: inline-block;
    background: linear-gradient(45deg, #4C6EF5, #8E44AD);
    color: #ffffff;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease;
}

.button:hover {
    background: linear-gradient(45deg, #8E44AD, #4C6EF5);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    transform: translateY(-3px);
}

/* 背景动画 */
@keyframes aurora-move {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

body {
    background: radial-gradient(circle, rgb(255, 87, 34), transparent);
    animation: aurora-move 15s linear infinite;
}

/* 卡片布局 */
.card {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 20px;
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 12px rgba(0, 0, 0, 0.2);
}

/* 网格系统 */
.grid-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.grid-item {
    background: rgba(255, 255, 255, 0.3);
    padding: 15px;
    border-radius: 8px;
    position: relative;
    overflow: hidden;
}

.grid-item img {
    width: 100%;
    border-radius: 8px;
    margin-bottom: 10px;
    transition: transform 0.3s ease;
}

.grid-item img:hover {
    transform: scale(1.05);
}

/* 动态网络图 */
.network-graph {
    width: 100%;
    height: 400px;
    background: transparent;
    position: relative;
    margin-bottom: 40px;
}

.node {
    width: 20px;
    height: 20px;
    background: #FFD700;
    border-radius: 50%;
    position: absolute;
    transition: transform 0.3s ease;
}

.node:hover {
    transform: scale(1.5);
}

.node-info {
    display: none;
    position: absolute;
    top: -30px;
    left: 25px;
    background: rgba(0, 0, 0, 0.7);
    padding: 5px 10px;
    border-radius: 5px;
    font-size: 0.8rem;
}

.node:hover .node-info {
    display: block;
}

/* 代码块样式 */
pre {
    background: rgba(0, 0, 0, 0.6);
    padding: 15px;
    border-radius: 5px;
    overflow-x: auto;
    font-family: 'Courier New', Courier, monospace;
    margin-bottom: 20px;
}

code {
    color: #00FF00;
}

/* 响应式设计 */
@media (max-width: 1440px) {
    .network-graph {
        height: 350px;
    }
}

@media (max-width: 1200px) {
    h1 {
        font-size: 2.2rem;
    }
    h2 {
        font-size: 1.8rem;
    }
    h3 {
        font-size: 1.3rem;
    }
}

@media (max-width: 1024px) {
    .network-graph {
        height: 300px;
    }
}

@media (max-width: 768px) {
    h1 {
        font-size: 2rem;
    }
    h2 {
        font-size: 1.6rem;
    }
    h3 {
        font-size: 1.2rem;
    }
    .network-graph {
        height: 250px;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 1.8rem;
    }
    h2 {
        font-size: 1.4rem;
    }
    h3 {
        font-size: 1rem;
    }
    .network-graph {
        height: 200px;
    }
}

@media (max-width: 320px) {
    h1 {
        font-size: 1.6rem;
    }
    h2 {
        font-size: 1.2rem;
    }
    h3 {
        font-size: 0.9rem;
    }
    .network-graph {
        height: 180px;
    }
}

/* 图片样式 */
img.decorative {
    width: 100%;
    height: auto;
    border-radius: 8px;
}

/* 提示信息样式 */
.reference-note {
    text-align: center;
    font-size: 1rem;
    margin: 30px 0;
    color: #FFD700;
}

/* 表格样式 */
.table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 20px;
}

.table th, .table td {
    border: 1px solid rgba(255, 255, 255, 0.3);
    padding: 10px;
    text-align: center;
}

.table th {
    background: rgba(76, 110, 245, 0.7);
}

.table td {
    background: rgba(255, 255, 255, 0.1);
}

/* 信用评分进度条 */
.progress-bar {
    width: 100%;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 15px;
}

.progress {
    height: 20px;
    background: linear-gradient(90deg, #4C6EF5, #8E44AD);
    width: 80%;
    animation: load 2s ease-in-out forwards;
}

@keyframes load {
    from { width: 0; }
    to { width: 80%; }
}

/* 进度条提示 */
.progress-text {
    text-align: right;
    font-size: 0.9rem;
    margin-bottom: 20px;
}