/* style.css - 复古风格样式 */

:root {
    --primary: #4a6baf;
    --secondary: #e6d3a7;
    --accent: #8b5a2b;
    --light: #f8f4e9;
    --dark: #2c2416;
    --vintage-bg: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><rect width="100" height="100" fill="%23f8f4e9"/><path d="M0,0 L100,100 M100,0 L0,100" stroke="%23e6d3a7" stroke-width="0.5"/></svg>');
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Times New Roman', Times, serif;
}

body {
    background-color: var(--light);
    background-image: var(--vintage-bg);
    color: var(--dark);
    line-height: 1.6;
    padding: 20px;
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    background-color: rgba(248, 244, 233, 0.9);
    border: 2px solid var(--accent);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.15);
    border-radius: 8px;
    padding: 20px;
    min-height: 90vh;
}

header {
    text-align: center;
    padding: 20px 0;
    border-bottom: 3px double var(--accent);
    margin-bottom: 30px;
}

h1 {
    color: var(--primary);
    font-size: 3.5rem;
    letter-spacing: 3px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
    margin-bottom: 10px;
    font-weight: bold;
}

.tagline {
    font-size: 1.2rem;
    color: var(--accent);
    font-style: italic;
}

.main-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    padding: 20px;
}

.card {
    background: linear-gradient(to bottom, #f8f4e9, #e6d3a7);
    border: 1px solid var(--accent);
    border-radius: 8px;
    padding: 25px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

.card-title {
    color: var(--primary);
    font-size: 1.8rem;
    margin-bottom: 15px;
    border-bottom: 2px solid var(--accent);
    padding-bottom: 10px;
}

.card-content {
    font-size: 1.1rem;
    line-height: 1.7;
}

.features {
    grid-column: 1 / -1;
    margin-top: 20px;
}

.feature-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 20px;
}

.feature {
    background: rgba(74, 107, 175, 0.1);
    border-left: 4px solid var(--primary);
    padding: 15px;
    border-radius: 0 8px 8px 0;
}

.feature h3 {
    color: var(--primary);
    margin-bottom: 10px;
}

.btn {
    display: inline-block;
    background: var(--primary);
    color: white;
    padding: 12px 25px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1.1rem;
    text-decoration: none;
    transition: background 0.3s ease;
    margin-top: 15px;
    font-weight: bold;
    letter-spacing: 1px;
}

.btn:hover {
    background: #3a5690;
    transform: translateY(-2px);
}

.btn-secondary {
    background: var(--accent);
}

.btn-secondary:hover {
    background: #6d4721;
}

.form-group {
    margin-bottom: 20px;
}

label {
    display: block;
    margin-bottom: 8px;
    font-weight: bold;
    color: var(--dark);
}

input[type="text"],
input[type="password"],
input[type="url"] {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--accent);
    border-radius: 4px;
    background-color: rgba(255, 255, 255, 0.8);
    font-size: 1rem;
}

.jump-link {
    background-color: rgba(74, 107, 175, 0.1);
    padding: 15px;
    border-radius: 4px;
    margin: 10px 0;
    border-left: 3px solid var(--primary);
    word-break: break-all;
}

.jump-link a {
    color: var(--primary);
    font-weight: bold;
    text-decoration: none;
}

.jump-link a:hover {
    text-decoration: underline;
}

.dashboard {
    display: none;
}

.tabs {
    display: flex;
    margin-bottom: 20px;
    border-bottom: 2px solid var(--accent);
}

.tab {
    padding: 12px 25px;
    cursor: pointer;
    background-color: var(--secondary);
    border: 1px solid var(--accent);
    border-bottom: none;
    border-radius: 8px 8px 0 0;
    margin-right: 5px;
    font-weight: bold;
}

.tab.active {
    background-color: var(--primary);
    color: white;
}

.tab-content {
    display: none;
    padding: 20px;
    background: linear-gradient(to bottom, #f8f4e9, #e6d3a7);
    border: 1px solid var(--accent);
    border-top: none;
    border-radius: 0 0 8px 8px;
}

.tab-content.active {
    display: block;
}

.notification {
    padding: 15px;
    margin: 15px 0;
    border-radius: 4px;
    text-align: center;
}

.success {
    background-color: rgba(76, 175, 80, 0.2);
    border: 1px solid #4caf50;
    color: #2e7d32;
}

.error {
    background-color: rgba(244, 67, 54, 0.2);
    border: 1px solid #f44336;
    color: #c62828;
}

.user-info {
    text-align: right;
    margin-bottom: 15px;
    font-size: 1.1rem;
    color: var(--accent);
}

footer {
    text-align: center;
    padding: 20px;
    margin-top: 30px;
    border-top: 3px double var(--accent);
    color: var(--accent);
    font-size: 0.9rem;
}

@media (max-width: 768px) {
    .main-content {
        grid-template-columns: 1fr;
    }
    
    .feature-list {
        grid-template-columns: 1fr;
    }
    
    h1 {
        font-size: 2.5rem;
    }
}