/* 重置和基础样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* 黑色和微信绿配色方案 */
    --primary-color: #0a0a0a; /* 深黑色 */
    --secondary-color: #1a1a1a;
    --accent-color: #07c160; /* 微信绿 */
    --accent-light: #26d16d;
    --accent-dark: #059e3c;
    --background: #ffffff;
    --background-light: #f5f5f5;
    --background-dark: #0a0a0a;
    --border-color: #e0e0e0;
    --text-primary: #0a0a0a;
    --text-secondary: #666666;
    --text-light: #999999;
    --text-inverse: #ffffff;
    
    /* 渐变色 */
    --gradient-primary: linear-gradient(135deg, #07c160 0%, #059e3c 100%);
    --gradient-hero: linear-gradient(135deg, #07c160 0%, #26d16d 100%);
    
    /* 字体 */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Microsoft YaHei', sans-serif;
    
    /* 间距 */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    
    /* 阴影 */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.1);
    
    /* 边框 */
    --border-radius: 8px;
    --border-radius-lg: 12px;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--background);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* 导航栏 - 黑色风格 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--primary-color);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 60px;
}

.nav-logo h2 {
    color: var(--text-inverse);
    font-size: 1.5rem;
    font-weight: 600;
}

.nav-menu {
    display: flex;
    gap: var(--spacing-xl);
    align-items: center;
}

.nav-link {
    text-decoration: none;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
    transition: color 0.3s ease;
    padding: var(--spacing-sm) 0;
}

.nav-link:hover,
.nav-link.active {
    color: var(--accent-color);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-color);
    transition: width 0.3s ease;
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: var(--spacing-sm);
}

.bar {
    width: 22px;
    height: 2px;
    background-color: var(--text-inverse);
    margin: 3px 0;
    transition: 0.3s;
    border-radius: 2px;
}

/* 首页 - 黑色背景 + 微信绿强调 */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 60px;
    background: var(--primary-color);
    color: var(--text-inverse);
}

.hero-content {
    text-align: center;
    max-width: 800px;
    padding: var(--spacing-3xl) var(--spacing-lg);
}

.hero-signature {
    animation: fadeInUp 1s ease;
}

.signature-text {
    font-size: 2.5rem;
    font-weight: 300;
    line-height: 1.4;
    color: var(--text-inverse);
    margin-bottom: var(--spacing-xl);
}

.signature-divider {
    width: 60px;
    height: 2px;
    background: var(--accent-color);
    margin: var(--spacing-xl) auto;
}

.signature-subtitle {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.7);
    font-weight: 400;
    letter-spacing: 0.5px;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 通用部分样式 */
section {
    padding: var(--spacing-3xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-title {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* 相册部分 */
.gallery {
    background: var(--background-light);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

/* 确保在大屏幕上始终保持三列布局 */
@media (min-width: 1200px) {
    .gallery-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.gallery-item {
    overflow: hidden;
    border-radius: var(--border-radius);
    background: white;
    transition: transform 0.3s ease;
    cursor: pointer;
}

.gallery-item:hover {
    transform: translateY(-5px);
}

.gallery-image {
    position: relative;
    overflow: hidden;
    aspect-ratio: 4/3;
}

.gallery-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

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

.gallery-info {
    text-align: center;
    color: white;
    padding: var(--spacing-md);
}

.gallery-info h4 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.gallery-info p {
    font-size: 0.875rem;
    opacity: 0.9;
}

/* 文章部分 */
.articles-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

/* 确保在大屏幕上始终保持三列布局 */
@media (min-width: 1200px) {
    .articles-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.article-card {
    background: white;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
    cursor: pointer;
}

.article-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.article-image {
    aspect-ratio: 16/10;
    overflow: hidden;
}

.article-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.article-card:hover .article-image img {
    transform: scale(1.05);
}

.article-content {
    padding: var(--spacing-lg);
}

.article-meta {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    font-size: 0.875rem;
    color: var(--text-light);
}

.article-date {
    color: var(--text-secondary);
}

.article-category {
    color: var(--accent-color);
    font-weight: 500;
}

.article-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    line-height: 1.4;
}

.article-excerpt {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.article-link {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.article-link:hover {
    color: var(--accent-dark);
}

/* 工具部分 */
.tools {
    background: var(--background-light);
}

.ad-slot {
    margin: var(--spacing-2xl) auto;
    padding: var(--spacing-lg);
    background: #f9f9f9;
    border: 1px dashed var(--border-color);
    border-radius: var(--border-radius);
    text-align: center;
    /* max-width: 728px; */
}

.ad-placeholder {
    padding: var(--spacing-xl);
    color: var(--text-light);
    font-size: 0.875rem;
    background: #f0f0f0;
    border-radius: var(--border-radius);
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

.tool-card {
    background: white;
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    cursor: pointer;
    text-align: center;
}

.tool-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: var(--accent-color);
}

.tool-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto var(--spacing-lg);
    background: var(--gradient-hero);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.tool-emoji {
    font-size: 1.75rem;
}

.tool-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.tool-desc {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    font-size: 0.9rem;
    line-height: 1.5;
}

.tool-features {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
}

.feature-tag {
    background: rgba(7, 193, 96, 0.1);
    color: var(--accent-color);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 500;
}

/* 关于我部分 */
.about {
    background: var(--background);
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
}

.about-info {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: var(--spacing-2xl);
    align-items: start;
    margin-bottom: var(--spacing-3xl);
}

.about-avatar {
    text-align: center;
}

.avatar-placeholder {
    width: 160px;
    height: 160px;
    margin: 0 auto;
    background: var(--gradient-hero);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    font-weight: 600;
}

.about-name {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.about-bio {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    font-size: 1.125rem;
}

.about-highlights {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.highlight-item {
    display: flex;
    gap: var(--spacing-md);
    align-items: start;
}

.highlight-icon {
    font-size: 1.5rem;
    margin-top: var(--spacing-xs);
}

.highlight-text h4 {
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.highlight-text p {
    color: var(--text-secondary);
    margin: 0;
}

.about-contact {
    text-align: center;
}

.contact-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xl);
    color: var(--text-primary);
}

.contact-social {
    display: flex;
    justify-content: space-between;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

.social-item {
    text-align: center;
    flex: 1;
}

.qrcode {
    width: 150px;
    height: 150px;
    margin: 0 auto var(--spacing-md);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    overflow: hidden;
    background: white;
    transition: all 0.3s ease;
}

.qrcode:hover {
    border-color: var(--accent-color);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.qrcode img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.social-item p {
    font-weight: 500;
    color: var(--text-primary);
    margin: 0;
}

/* 工具详情弹窗 */
.tool-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 10000;
    display: none;
}

.tool-modal.active {
    display: block;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
}

.modal-content {
    position: relative;
    max-width: 600px;
    margin: 50px auto;
    background: white;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-header {
    padding: var(--spacing-xl);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--primary-color);
    color: var(--text-inverse);
}

.modal-header h3 {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-inverse);
    font-size: 1.5rem;
    cursor: pointer;
    padding: var(--spacing-sm);
    border-radius: var(--border-radius);
    transition: background 0.3s ease;
}

.modal-close:hover {
    background: rgba(255, 255, 255, 0.1);
}

.modal-body {
    padding: var(--spacing-xl);
    max-height: 400px;
    overflow-y: auto;
}

.modal-footer {
    padding: var(--spacing-lg) var(--spacing-xl);
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: var(--spacing-md);
    justify-content: flex-end;
}

/* 按钮样式 */
.btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    border-radius: var(--border-radius);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 100px;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    border: none;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: transparent;
    color: var(--text-secondary);
    border: 2px solid var(--border-color);
}

.btn-secondary:hover {
    border-color: var(--accent-color);
    color: var(--accent-color);
    transform: translateY(-2px);
}

/* 页脚 */
.footer {
    background: var(--primary-color);
    color: var(--text-inverse);
    padding: var(--spacing-xl) 0;
}

.footer-content {
    text-align: center;
}

.footer-content p {
    margin: 0;
    font-size: 0.875rem;
    opacity: 0.8;
}

/* 返回顶部按钮 */
.back-to-top {
    position: fixed;
    bottom: var(--spacing-xl);
    right: var(--spacing-xl);
    width: 45px;
    height: 45px;
    background: var(--accent-color);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 999;
}

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

.back-to-top:hover {
    background: var(--accent-dark);
    transform: translateY(-3px);
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .articles-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .tools-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about-info {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-xl);
    }
    
    .about-highlights {
        align-items: center;
    }
    
    .contact-social {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-xl);
    }
    
    .social-item {
        width: 100%;
        max-width: 300px;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 60px;
        right: -100%;
        width: 100%;
        height: calc(100vh - 60px);
        background: var(--primary-color);
        flex-direction: column;
        justify-content: start;
        padding: var(--spacing-xl);
        box-shadow: var(--shadow-lg);
        transition: right 0.3s ease;
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-toggle.active .bar:nth-child(1) {
        transform: rotate(-45deg) translate(-5px, 6px);
    }
    
    .nav-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active .bar:nth-child(3) {
        transform: rotate(45deg) translate(-5px, -6px);
    }
    
    .signature-text {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .gallery-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .articles-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .tools-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .contact-social {
        flex-direction: column;
    }
    
    .modal-content {
        margin: 20px;
        max-width: calc(100vw - 40px);
    }
}

@media (max-width: 640px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .nav-container {
        padding: 0 var(--spacing-md);
    }
    
    .hero-content {
        padding: var(--spacing-2xl) var(--spacing-md);
    }
    
    .signature-text {
        font-size: 1.75rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .back-to-top {
        bottom: var(--spacing-lg);
        right: var(--spacing-lg);
        width: 40px;
        height: 40px;
    }
}

/* 选择文本样式 */
::selection {
    background: var(--accent-color);
    color: white;
}

/* 焦点样式 */
:focus-visible {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: var(--background-light);
}

::-webkit-scrollbar-thumb {
    background: var(--accent-color);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-dark);
}
.contact-info{
    text-align: center;
}