:root {
    --primary-color: #165DFF;
    --secondary-color: #36CFC9;
    --success-color: #36D399;
    --danger-color: #FF5252;
    --text-primary: #1D2129;
    --text-secondary: #4E5969;
    --text-tertiary: #86909C;
    --border-color: #E5E6EB;
    --bg-light: #F2F3F5;
    --bg-white: #FFFFFF;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

/* Header Styles */
.common-header {
    background-color: #f8f9fa;
    padding: 15px 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}
.common-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}
.logo a {
    font-size: 24px;
    font-weight: bold;
    color: #333;
    text-decoration: none;
    display: flex;
    align-items: center;
}
.logo-img {
    height: 32px;
    width: 32px;
    margin-right: 10px;
    vertical-align: middle;
}
.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: #333;
    padding: 5px 10px;
    margin-left: auto;
}
.main-nav ul {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
}
.main-nav li {
    margin-left: 25px;
}
.main-nav a {
    color: #666;
    text-decoration: none;
    font-size: 16px;
    transition: color 0.3s;
}
.main-nav a:hover, .main-nav a.active {
    color: #007bff;
}
@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }
    .main-nav ul {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 70px;
        left: 0;
        width: 100%;
        background-color: #f8f9fa;
        box-shadow: 0 2px 4px rgba(0,0,0,0.1);
        z-index: 1000;
    }
    .main-nav ul.active {
        display: flex;
    }
    .main-nav li {
        margin: 0;
        padding: 10px 20px;
        border-bottom: 1px solid #eee;
    }
    .main-nav a {
        display: block;
    }
}

/* Footer Styles */
.common-footer {
    background-color: #f8f9fa;
    color: #333;
    padding: 40px 0;
    box-shadow: 0 -2px 4px rgba(0,0,0,0.1);
}
.common-footer .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}
.footer-friends {
    color: #666;
    font-size: 12px;
}
.footer {
    background-color: var(--bg-white);
    border-top: 1px solid var(--border-color);
    padding: 24px 0;
}
.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}
.copyright {
    font-size: 12px;
    color: var(--text-tertiary);
    margin-bottom: 15px;
}
.footer-links {
    font-size: 12px;
    color: var(--text-tertiary);
    margin-bottom: 20px;
}
.footer-link {
    color: var(--text-tertiary);
    text-decoration: none;
    margin: 0 8px;
}
.footer-link:hover {
    text-decoration: underline;
    color: #007bff;
}
.separator {
    margin: 0 8px;
}
.footer-links a {
    color: #666;
    margin-right: 20px;
    text-decoration: none;
    transition: color 0.3s;
}
.footer-links a:hover {
    color: #007bff;
}
.links-label {
    margin-right: 10px;
}
.friend-link {
    color: #666;
    margin-right: 10px;
    text-decoration: none;
    transition: color 0.3s;
}
.friend-link:hover {
    color: #007bff;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

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

/* 通用主色调边框区域样式 */
.primary-bordered-section {
    background-color: var(--bg-white);
    border: 1px solid var(--border-color);
    border-left: 4px solid var(--primary-color);
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}


.tools-ordered-list {
    list-style: none;
    counter-reset: step-counter;
}

.tools-ordered-list li {
    position: relative;
    padding-left: 32px;
    margin-bottom: 16px;
    font-size: 14px;
    color: var(--text-secondary);
    counter-increment: step-counter;
}

.tools-ordered-list li::before {
    background-color: rgba(22, 93, 255, 0.1);
    content: counter(step-counter);
    position: absolute;
    left: 0;
    top: 0;
    width: 20px;
    height: 20px;
    color: var(--secondary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 600;
}

.tools-unordered-list {
    list-style: none;
}

.tools-unordered-list li {
    position: relative;
    padding-left: 20px;
    margin-bottom: 8px;
    font-size: 14px;
    color: var(--text-secondary);
}

.tools-unordered-list li::before {
    content: '●';
    position: absolute;
    left: 0;
    color: var(--secondary-color);
}