/* ========================================
   示例页面现代风格样式表
   ======================================== */

:root {
    --primary: #6366f1;
    --primary-light: #818cf8;
    --primary-dark: #4f46e5;
    --secondary: #ec4899;
    --accent: #06b6d4;
    --dark: #0f172a;
    --dark-light: #1e293b;
    --gray: #64748b;
    --gray-light: #94a3b8;
    --white: #ffffff;
    --glass-bg: rgba(255, 255, 255, 0.08);
    --glass-border: rgba(255, 255, 255, 0.1);
    --shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    --radius: 16px;
    --radius-sm: 8px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: linear-gradient(135deg, #0f172a 0%, #1e1b4b 50%, #312e81 100%);
    min-height: 100vh;
    color: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
}

::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--dark); }
::-webkit-scrollbar-thumb { background: var(--primary); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--primary-light); }

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ========================================
   头部导航
   ======================================== */
.header {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 16px 0;
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.logo { flex-shrink: 0; }
.logo img { height: 42px; width: auto; filter: brightness(1.2); }

.nav ul {
    display: flex;
    list-style: none;
    gap: 8px;
}

.nav ul li a {
    display: block;
    padding: 10px 20px;
    color: var(--gray-light);
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    position: relative;
}

.nav ul li a:hover,
.nav ul li a.active {
    color: var(--white);
    background: var(--glass-bg);
}

.search {
    display: flex;
    align-items: center;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 50px;
    padding: 4px;
    transition: var(--transition);
    max-width: 300px;
    flex: 1;
}

.search.focused {
    border-color: var(--primary-light);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.search input {
    flex: 1;
    background: transparent;
    border: none;
    padding: 8px 16px;
    color: var(--white);
    font-size: 14px;
    outline: none;
}

.search input::placeholder { color: var(--gray); }

.search button {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border: none;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    transition: var(--transition);
}

.search button:hover {
    transform: scale(1.1);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.4);
}

.user {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--gray-light);
    font-size: 14px;
}

.user img {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 2px solid var(--glass-border);
}

/* ========================================
   示例内容区域
   ======================================== */
.example-hero {
    padding: 40px 0;
    text-align: center;
    position: relative;
}

.example-hero::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.2) 0%, transparent 70%);
    pointer-events: none;
}

.example-hero .container {
    position: relative;
    z-index: 1;
}

.example-hero h2 {
    font-size: 32px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--white) 0%, var(--primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 20px;
}

.example-nav {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 24px;
}

.example-nav a {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 20px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 50px;
    color: var(--gray-light);
    text-decoration: none;
    font-size: 14px;
    transition: var(--transition);
}

.example-nav a:hover {
    color: var(--white);
    border-color: var(--primary-light);
    background: rgba(99, 102, 241, 0.15);
    transform: translateY(-2px);
}

.example-banner-img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-sm);
    margin: 20px auto;
    display: block;
    box-shadow: var(--shadow-light);
}

.example-divider {
    border: none;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--glass-border), transparent);
    margin: 24px 0;
}

/* ========================================
   示例核心内容区域
   ======================================== */
.example-content {
    padding: 0 0 60px;
}

.example-content .container {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    padding: 40px;
}

/* 保留原始示例的样式，但适配深色背景 */
.example-content h2,
.example-content h3,
.example-content h4 {
    color: var(--white);
    margin-bottom: 16px;
}

.example-content p {
    color: var(--gray-light);
    line-height: 1.8;
    margin-bottom: 16px;
}

.example-content a {
    color: var(--primary-light);
    text-decoration: none;
    transition: var(--transition);
}

.example-content a:hover {
    color: var(--white);
    text-decoration: underline;
}

.example-content ul,
.example-content ol {
    margin-left: 24px;
    margin-bottom: 16px;
    color: var(--gray-light);
}

.example-content li {
    margin-bottom: 8px;
}

.example-content img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-sm);
}

/* 表格样式 */
.example-content table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 20px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.example-content th,
.example-content td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--glass-border);
}

.example-content th {
    background: rgba(99, 102, 241, 0.2);
    color: var(--white);
    font-weight: 600;
}

.example-content td {
    color: var(--gray-light);
}

.example-content tr:hover td {
    background: rgba(255, 255, 255, 0.03);
}

/* 表单样式 */
.example-content input,
.example-content textarea,
.example-content select {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    padding: 10px 16px;
    color: var(--white);
    font-size: 14px;
    outline: none;
    transition: var(--transition);
}

.example-content input:focus,
.example-content textarea:focus,
.example-content select:focus {
    border-color: var(--primary-light);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.example-content button,
.example-content input[type="submit"] {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border: none;
    padding: 10px 24px;
    border-radius: 50px;
    color: var(--white);
    font-size: 14px;
    cursor: pointer;
    transition: var(--transition);
}

.example-content button:hover,
.example-content input[type="submit"]:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.4);
}

/* ========================================
   页脚
   ======================================== */
.footer {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-top: 1px solid var(--glass-border);
    padding: 40px 0;
    text-align: center;
}

.footer p {
    color: var(--gray);
    font-size: 13px;
}

.footer p + p {
    margin-top: 4px;
    color: var(--gray-light);
    font-size: 12px;
}

/* ========================================
   响应式
   ======================================== */
@media (max-width: 768px) {
    .header .container {
        flex-wrap: wrap;
    }
    .nav { order: 3; width: 100%; }
    .nav ul { justify-content: center; }
    .search { max-width: 200px; }
    .example-hero h2 { font-size: 24px; }
    .example-content .container { padding: 20px; }
}