/* blog-style.css - 博客页面专用样式 */

:root {
    --primary: #165DFF;
    --primary-light: #4080FF;
    --primary-dark: #0E42D2;
    --secondary: #7c3aed;
    --accent: #059669;
    --background: #F7F8FA;
    --surface: #F2F3F5;
    --card: #FFFFFF;
    --text: #1D2129;
    --text-secondary: #4E5969;
    --border: #E5E6EB;
    --shadow: 0 2px 12px 0 rgba(0, 35, 120, 0.08);
    --shadow-hover: 0 6px 18px 0 rgba(0, 35, 120, 0.12);
    --gradient-primary: linear-gradient(90deg, #165DFF, #4080FF);
    --transition-speed: 0.3s;
}

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

body {
    background: var(--background);
    color: var(--text);
    line-height: 1.7;
    overflow-x: hidden;
    font-size: 16px;
    min-height: 100vh;
    position: relative;
}

.seo-content {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
}

.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(35px) saturate(200%);
    -webkit-backdrop-filter: blur(35px) saturate(200%);
    border-bottom: 1px solid rgba(229, 230, 235, 0.2);
    box-shadow: 0 2px 30px rgba(0, 0, 0, 0.05);
    z-index: 1000;
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    height: 70px;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    text-decoration: none;
}

.logo-icon {
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #ff6b6b, #ffa726, #66bb6a, #42a5f5, #5c6bc0, #ab47bc);
    border-radius: 0;
    color: white;
    font-weight: bold;
    font-size: 18px;
    box-shadow: 0 4px 12px rgba(22, 93, 255, 0.2);
    transition: transform 0.3s ease;
}

.logo:hover .logo-icon {
    transform: rotate(10deg);
}

.logo-text {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text);
    letter-spacing: -0.5px;
}

.logo-text span {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    position: relative;
    padding: 0.5rem 0;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width 0.3s ease;
}

.nav-links a:hover {
    color: var(--text);
}

.nav-links a:hover::after {
    width: 100%;
}

.menu-btn {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text);
    transition: all 0.3s ease;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 0;
    background: rgba(242, 243, 245, 0.6);
    border: none;
    outline: none;
}

.menu-btn:hover {
    color: var(--primary);
    background: rgba(255, 255, 255, 0.8);
}

main {
    padding-top: 100px;
}

.blog-container {
    padding: 0 20px;
    max-width: 900px;
    margin: 0 auto;
}

.blog-article {
    padding: 3rem;
    background: var(--card);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    transition: all var(--transition-speed) ease;
}

.blog-article:hover {
    box-shadow: var(--shadow-hover);
    border-color: rgba(22, 93, 255, 0.3);
}

.blog-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
    flex-wrap: wrap;
    gap: 1rem;
}

.blog-date {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.blog-category {
    background: var(--gradient-primary);
    color: white;
    padding: 0.3rem 1rem;
    border-radius: 0;
    font-size: 0.8rem;
    font-weight: 600;
}

.blog-read-time {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.blog-title {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: var(--text);
    line-height: 1.2;
}

.blog-subtitle {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

.blog-content {
    line-height: 1.8;
}

.blog-content h2 {
    color: var(--primary);
    border-left: 4px solid var(--primary);
    padding-left: 1rem;
    margin: 2.5rem 0 1.5rem;
    font-size: 1.8rem;
}

.blog-content h3 {
    color: var(--text);
    margin: 2rem 0 1rem;
    font-size: 1.4rem;
}

.blog-content ul, .blog-content ol {
    padding-left: 2rem;
    margin: 1rem 0;
}

.blog-content li {
    margin-bottom: 0.5rem;
}

.code-block {
    background: rgba(37, 99, 235, 0.05);
    border-left: 4px solid var(--primary);
    padding: 1.5rem;
    margin: 1.5rem 0;
    border-radius: 0 8px 8px 0;
    overflow-x: auto;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
}

.info-box {
    background: rgba(37, 99, 235, 0.1);
    border-left: 4px solid var(--primary);
    padding: 1.5rem;
    margin: 1.5rem 0;
    border-radius: 0 8px 8px 0;
}

.blog-tags {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tag {
    background: var(--surface);
    color: var(--text-secondary);
    padding: 0.4rem 0.9rem;
    border-radius: 0;
    font-size: 0.8rem;
    border: 1px solid var(--border);
    text-decoration: none;
    transition: all 0.3s ease;
}

.tag:hover {
    background: var(--gradient-primary);
    color: white;
    border-color: var(--primary);
}

.blog-navigation {
    margin-top: 3rem;
    display: flex;
    justify-content: space-between;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.9rem 2rem;
    border-radius: 0;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.btn.primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 20px rgba(22, 93, 255, 0.2);
}

.btn.primary:hover {
    background: linear-gradient(90deg, #0E42D2, #165DFF);
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(22, 93, 255, 0.25);
}

.btn.primary:active {
    background: #0B35B3;
    transform: translateY(0);
}

.btn.secondary {
    background: var(--card);
    color: var(--primary);
    border: 1px solid var(--primary);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.05);
}

.btn.secondary:hover {
    background: #E8F3FF;
    border-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.08);
}

.btn.secondary:active {
    background: #D0E8FF;
    transform: translateY(0);
}

.footer {
    background: var(--surface);
    color: var(--text-secondary);
    padding: 2.5rem 0;
    text-align: center;
    border-top: 1px solid var(--border);
    margin-top: 4rem;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    background: var(--card);
    border-radius: 0;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 1rem;
    border: 1px solid var(--border);
}

.social-links a:hover {
    background: var(--gradient-primary);
    color: white;
    transform: translateY(-2px);
    border-color: var(--primary);
}

#back-to-top {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    width: 44px;
    height: 44px;
    background: var(--gradient-primary);
    color: white;
    border-radius: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 999;
    border: none;
    box-shadow: 0 4px 15px rgba(22, 93, 255, 0.2);
}

#back-to-top.active {
    opacity: 1;
    visibility: visible;
}

#back-to-top:hover {
    background: linear-gradient(90deg, #0E42D2, #165DFF);
    transform: translateY(-2px);
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 响应式设计 */
@media (max-width: 768px) {
    .container {
        padding: 0 12px;
    }

    .nav-links {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        background: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(35px) saturate(200%);
        -webkit-backdrop-filter: blur(35px) saturate(200%);
        flex-direction: column;
        padding: 1.5rem;
        gap: 1rem;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.4s ease;
        border-bottom: 1px solid rgba(255, 255, 255, 0.2);
        max-height: calc(100vh - 70px);
        overflow-y: auto;
        z-index: 999;
    }

    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .menu-btn {
        display: flex;
    }

    .nav-actions {
        display: flex;
    }

    .blog-container {
        padding: 0 12px;
    }

    .blog-article {
        padding: 2rem;
    }

    .blog-title {
        font-size: 2rem;
    }

    .blog-meta {
        flex-direction: column;
        align-items: flex-start;
    }

    .blog-navigation {
        flex-direction: column;
        gap: 1rem;
    }

    .btn {
        width: 100%;
        padding: 0.8rem 1.5rem;
        font-size: 0.9rem;
    }

    .social-links a {
        width: 40px;
        height: 40px;
        font-size: 0.95rem;
    }

    #back-to-top {
        width: 40px;
        height: 40px;
        bottom: 1rem;
        right: 1rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 10px;
    }

    .blog-container {
        padding: 0 10px;
    }

    .blog-article {
        padding: 1.5rem;
    }

    .blog-title {
        font-size: 1.8rem;
    }

    .blog-subtitle {
        font-size: 1rem;
    }

    .btn {
        padding: 0.7rem 1.2rem;
        font-size: 0.85rem;
    }

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

    .blog-content h3 {
        font-size: 1.2rem;
    }
}

@media (min-width: 769px) {
    .menu-btn {
        display: none !important;
    }

    .nav-links {
        display: flex !important;
    }
}