/* =======================================================
   WZA-Leon 个人网站 - 完整主题系统
   包含三种模式：
   1. theme-dark    : 暗色模式（保留原有炫酷效果）
   2. theme-light   : 亮色黑白模式（白底黑字，无任何彩色）
   3. theme-colorful: 亮色彩色模式（白底，保留彩虹渐变和彩色图标）
   作者：WZA
   修改日期：2025-03-30
   ======================================================= */

/* ---------- CSS 全局变量（默认暗色主题，也是后备值） ---------- */
:root {
    --primary-color: #00d4ff;
    --secondary-color: #0099cc;
    --accent-color: #ff6b6b;
    --bg-primary: #0a0a0a;
    --bg-secondary: #050505;
    --text-primary: #ffffff;
    --text-secondary: #cccccc;
    --border-light: rgba(0, 212, 255, 0.1);
    --card-bg: rgba(255, 255, 255, 0.05);
    --glow: 0 0 20px rgba(0, 212, 255, 0.3);
    --gradient-primary: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    --gradient-accent: linear-gradient(135deg, var(--accent-color), #ff5252);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 主题覆盖定义 */
body.theme-dark {
    --primary-color: #00d4ff;
    --secondary-color: #0099cc;
    --accent-color: #ff6b6b;
    --bg-primary: #0a0a0a;
    --bg-secondary: #050505;
    --text-primary: #ffffff;
    --text-secondary: #cccccc;
    --border-light: rgba(0, 212, 255, 0.1);
    --card-bg: rgba(255, 255, 255, 0.05);
    --glow: 0 0 20px rgba(0, 212, 255, 0.3);
}

body.theme-light {
    --primary-color: #000000;
    --secondary-color: #222222;
    --accent-color: #333333;
    --bg-primary: #ffffff;
    --bg-secondary: #f5f5f5;
    --text-primary: #000000;
    --text-secondary: #555555;
    --border-light: #e0e0e0;
    --card-bg: #f9f9f9;
    --glow: 0 0 0 transparent;
}

body.theme-colorful {
    --primary-color: #00d4ff;
    --secondary-color: #0099cc;
    --accent-color: #6c5ce7;
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --text-primary: #111214;
    --text-secondary: #3a3a3a;
    --border-light: #e2e2e2;
    --card-bg: #ffffff;
    --glow: 0 0 8px rgba(0,0,0,0.05);
    --gradient-primary: linear-gradient(135deg, #00d4ff, #6c5ce7);
    --gradient-accent: linear-gradient(135deg, #6c5ce7, #e84393);
}

/* 全局样式 & 重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* 全局链接样式：去除所有下划线，添加平滑过渡 */
a {
    text-decoration: none;
    transition: var(--transition);
}
a:hover {
    opacity: 0.85;
}
/* 在 Markdown 内容区内的链接使用下划线样式区分 */
.markdown-content a,
.post-content a {
    border-bottom: 1px solid var(--primary-color);
}
.markdown-content a:hover,
.post-content a:hover {
    opacity: 0.75;
}

p {
    margin-bottom: 1.2rem;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

.profile-img,
.logo-img,
.project-image img,
.work-cover img,
.viewer-image {
    object-fit: cover;
}

.profile-img {
    width: 160px;
    height: 160px;
    border-radius: 50%;
    border: 4px solid var(--primary-color);
    box-shadow: 0 0 30px rgba(0,212,255,0.2);
}

.logo-img {
    max-height: 56px;
    width: auto;
}

/* 暗色模式下的动态光条效果（亮色模式下隐藏） */
body::before,
body::after {
    content: '';
    position: fixed;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, transparent, var(--primary-color), transparent);
    z-index: -1;
    animation: lightFlow 4s ease-in-out infinite;
    pointer-events: none;
    opacity: 1;
    transition: opacity 0.2s;
}
body.theme-light::before,
body.theme-light::after,
body.theme-colorful::before,
body.theme-colorful::after {
    opacity: 0;
    animation: none;
}
@keyframes lightFlow {
    0%, 100% { opacity: 0; transform: translateY(-100%); }
    50% { opacity: 1; transform: translateY(0); }
}

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

/* ---------- 导航栏（注入的 .site-nav） ---------- */
.site-nav {
    background: rgba(10,10,10,0.7);
    backdrop-filter: blur(8px);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1200;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-light);
    transition: background 0.2s, border-color 0.2s;
}
body.theme-light .site-nav,
body.theme-colorful .site-nav {
    background: rgba(255,255,255,0.95);
}
.nav-container {
    display: flex;
    align-items: center;
    gap: 16px;
    justify-content: space-between;
}
.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    color: var(--primary-color);
    font-weight: 700;
    font-size: 1.1rem;
}
.nav-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--border-light);
}
.mobile-menu {
    display: none;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
}
#themeToggle {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--card-bg);
    border: 1px solid var(--border-light);
    color: var(--text-primary);
    cursor: pointer;
    font-size: 18px;
    transition: transform 0.2s;
}
#themeToggle:hover { transform: translateY(-2px); }
.nav-links {
    display: flex;
    gap: 20px;
    align-items: center;
}
.nav-links a {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}
.nav-links a:hover { color: var(--primary-color); }
.nav-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    left: 0;
    bottom: -5px;
    transition: var(--transition);
}
.nav-links a:hover::after { width: 100%; }

/* 响应式导航 */
@media (max-width: 768px) {
    .mobile-menu { display: block; }
    .nav-links {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        background: var(--bg-primary);
        backdrop-filter: blur(10px);
        flex-direction: column;
        padding: 20px;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
        border-top: 1px solid var(--border-light);
    }
    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
}

/* 按钮通用样式 */
.btn {
    display: inline-block;
    padding: 12px 24px;
    background: var(--gradient-primary);
    color: #fff;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    box-shadow: var(--glow);
    position: relative;
    overflow: hidden;
}
.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: var(--transition);
}
.btn:hover::before { left: 100%; }
.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px var(--primary-color);
}
.btn-accent {
    background: var(--gradient-accent);
}

/* 英雄区域 */
.hero {
    padding: 180px 0 100px;
    background: var(--bg-primary);
    position: relative;
    overflow: hidden;
    margin-top: 70px;
    text-align: center;
}
.hero::before {
    content: '';
    position: absolute;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0,0,0,0.08), transparent 70%);
    opacity: 0.1;
    top: -100px;
    right: -100px;
    animation: float 6s ease-in-out infinite;
}
.hero::after {
    content: '';
    position: absolute;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0,0,0,0.06), transparent 70%);
    opacity: 0.1;
    bottom: -50px;
    left: -50px;
    animation: float 8s ease-in-out infinite reverse;
}
@keyframes float {
    0%,100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}
.hero-content { position: relative; z-index: 1; }
.hero h1 {
    font-size: 3.5rem;
    line-height: 1.2;
    margin-bottom: 20px;
    color: var(--text-primary);
    background: none;
    -webkit-background-clip: unset;
    background-clip: unset;
    -webkit-text-fill-color: initial;
}
.hero p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 30px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}
.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

/* 章节通用 */
.section {
    padding: 80px 0;
    background: var(--bg-primary);
}
.section-title {
    text-align: center;
    margin-bottom: 50px;
}
.section-title h2 {
    font-size: 2.5rem;
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
    color: var(--text-primary);
}
.section-title h2::after {
    content: '';
    position: absolute;
    width: 80px;
    height: 3px;
    background: var(--primary-color);
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 2px;
}
.section-title p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* 关于区域 */
.about {
    background: var(--bg-secondary);
}
.about-content { max-width: 800px; margin: 0 auto; text-align: center; }
.about-text {
    background: var(--card-bg);
    padding: 40px;
    border-radius: 15px;
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-light);
    box-shadow: var(--glow);
}
.about-text p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-secondary);
}

/* 兴趣领域网格 */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}
.feature-card {
    background: var(--card-bg);
    padding: 40px 30px;
    border-radius: 15px;
    text-align: center;
    transition: var(--transition);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-light);
    position: relative;
    overflow: hidden;
}
.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
    opacity: 0.1;
    transition: var(--transition);
}
.feature-card:hover::before { left: 100%; }
.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px var(--primary-color);
    border-color: var(--primary-color);
}
.feature-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    font-size: 2rem;
    color: #fff;
    box-shadow: var(--glow);
}
.feature-card h3 { font-size: 1.5rem; margin-bottom: 15px; color: var(--text-primary); }
.feature-card p { color: var(--text-secondary); line-height: 1.6; }
.feature-link { text-decoration: none; color: inherit; }

/* 联系卡片 */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}
.contact-card {
    background: var(--card-bg);
    padding: 40px 30px;
    border-radius: 15px;
    text-align: center;
    transition: var(--transition);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-light);
}
.contact-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--glow);
    border-color: var(--primary-color);
}
.contact-icon {
    width: 70px;
    height: 70px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 1.8rem;
    color: #fff;
    box-shadow: var(--glow);
}
.contact-card h3 { font-size: 1.3rem; margin-bottom: 10px; color: var(--text-primary); }
.contact-card p { color: var(--text-secondary); margin-bottom: 20px; }
.contact-card a { color: var(--primary-color); text-decoration: none; }

/* 页脚 */
footer {
    background: var(--bg-secondary);
    color: var(--text-primary);
    padding: 60px 0 30px;
    border-top: 1px solid var(--border-light);
}
.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}
.footer-column h3 {
    font-size: 1.3rem;
    margin-bottom: 20px;
    color: var(--primary-color);
}
.footer-links { list-style: none; }
.footer-links li { margin-bottom: 10px; }
.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
}
.footer-links a:hover {
    color: var(--primary-color);
    transform: translateX(5px);
    display: inline-block;
}
.social-icons {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}
.social-icons a {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: rgba(0,212,255,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
    border: 1px solid var(--border-light);
}
.social-icons a:hover {
    background: var(--primary-color);
    color: var(--bg-primary);
    transform: translateY(-5px);
    box-shadow: var(--glow);
}
.copyright {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid var(--border-light);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* 摄影画廊 */
.photo-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}
.photo-card {
    background: var(--card-bg);
    padding: 16px;
    border-radius: 14px;
    text-align: center;
    border: 1px solid var(--border-light);
}
.photo-card img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    border-radius: 12px;
}
.photo-meta { color: var(--text-secondary); }

/* 项目卡片 */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}
.project-card {
    background: var(--card-bg);
    border-radius: 15px;
    overflow: hidden;
    border: 1px solid var(--border-light);
    transition: var(--transition);
}
.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px var(--primary-color);
    border-color: var(--primary-color);
}
.project-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}
.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}
.project-card:hover .project-image img { transform: scale(1.05); }
.project-tech {
    position: absolute;
    top: 15px;
    right: 15px;
    display: flex;
    gap: 8px;
}
.project-tech span {
    background: rgba(0,0,0,0.7);
    color: var(--primary-color);
    padding: 4px 10px;
    border-radius: 15px;
    font-size: 0.75rem;
}
.project-content { padding: 25px; }
.project-content h3 { font-size: 1.4rem; margin-bottom: 10px; color: var(--text-primary); }
.project-content p { color: var(--text-secondary); margin-bottom: 20px; }
.project-links { display: flex; gap: 15px; }
.btn-small { padding: 8px 16px; font-size: 0.9rem; border-radius: 20px; }

/* 酷站导航 */
.links-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
}
.link-category {
    background: var(--card-bg);
    padding: 30px;
    border-radius: 15px;
    border: 1px solid var(--border-light);
}
.link-category h3 {
    font-size: 1.4rem;
    margin-bottom: 25px;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 10px;
}
.link-items { display: flex; flex-direction: column; gap: 15px; }
.link-item {
    display: flex;
    align-items: center;
    padding: 15px;
    background: rgba(0,212,255,0.05);
    border-radius: 10px;
    text-decoration: none;
    color: var(--text-primary);
    transition: var(--transition);
    border: 1px solid var(--border-light);
}
.link-item:hover {
    background: rgba(0,212,255,0.1);
    transform: translateX(5px);
    border-color: var(--primary-color);
}
.link-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.3rem;
    margin-right: 15px;
}
.link-info h4 { font-size: 1.1rem; margin-bottom: 3px; }
.link-info p { color: var(--text-secondary); font-size: 0.9rem; }

/* 其他公用组件 */
.card {
    background: var(--card-bg);
    padding: 40px;
    border-radius: 15px;
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-light);
    box-shadow: var(--glow);
    margin-bottom: 30px;
}
.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}
.info-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 20px;
    background: rgba(0,212,255,0.05);
    border-radius: 12px;
    transition: var(--transition);
    border: 1px solid var(--border-light);
}
.info-item:hover {
    background: rgba(0,212,255,0.1);
    transform: translateY(-5px);
}
.info-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.3rem;
}
.skills-container {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 20px;
}
.skill {
    background: rgba(0,212,255,0.1);
    color: var(--primary-color);
    padding: 12px 20px;
    border-radius: 25px;
    font-weight: 500;
    transition: var(--transition);
    border: 1px solid var(--border-light);
}
.skill:hover {
    background: var(--primary-color);
    color: var(--bg-primary);
    transform: translateY(-3px);
}
.timeline {
    position: relative;
    padding-left: 30px;
}
.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 3px;
    height: 100%;
    background: linear-gradient(180deg, var(--primary-color), var(--accent-color));
}
.timeline-item {
    margin-bottom: 30px;
    position: relative;
    padding-left: 30px;
}
.timeline-item::before {
    content: '';
    position: absolute;
    left: -36px;
    top: 5px;
    width: 15px;
    height: 15px;
    border-radius: 50%;
    background: var(--accent-color);
    border: 3px solid var(--bg-primary);
    box-shadow: 0 0 0 3px var(--accent-color);
}
.timeline-date {
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 5px;
    font-size: 1.1rem;
}
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    color: #fff;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    box-shadow: var(--glow);
    transition: var(--transition);
    z-index: 1000;
}
.back-to-top.show { display: flex; }

/* 测验样式 */
.quiz-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 40px 20px;
}
.question {
    background: var(--card-bg);
    padding: 30px;
    border-radius: 15px;
    margin-bottom: 30px;
    border: 1px solid var(--border-light);
}
.question h3 { color: var(--text-primary); margin-bottom: 20px; }
.options { display: flex; flex-direction: column; gap: 15px; }
.option {
    background: rgba(0,212,255,0.05);
    padding: 15px 20px;
    border-radius: 10px;
    border: 1px solid var(--border-light);
    cursor: pointer;
    transition: var(--transition);
    color: var(--text-secondary);
}
.option:hover {
    background: rgba(0,212,255,0.1);
    border-color: var(--primary-color);
}
.option.selected {
    background: var(--primary-color);
    color: var(--bg-primary);
}
.submit-btn {
    background: var(--gradient-primary);
    color: #fff;
    border: none;
    padding: 15px 40px;
    border-radius: 25px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    margin: 30px auto;
    display: block;
}
.result {
    text-align: center;
    padding: 20px;
    background: var(--card-bg);
    border-radius: 15px;
    border: 1px solid var(--border-light);
    margin-top: 20px;
}
.score-circle {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    background: conic-gradient(var(--primary-color) 0deg, var(--primary-color) var(--score-angle, 0deg), rgba(0,212,255,0.1) var(--score-angle, 0deg), rgba(0,212,255,0.1) 360deg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 30px;
    position: relative;
}
.score-circle::before {
    content: '';
    position: absolute;
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: var(--bg-primary);
}
.score-text {
    position: relative;
    z-index: 1;
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
}
.result h2 { color: var(--text-primary); margin-bottom: 20px; }
.result p { color: var(--text-secondary); font-size: 1.1rem; }
.hidden { display: none; }

/* 响应式补充 */
@media (max-width: 992px) {
    .hero h1 { font-size: 2.8rem; }
    .section-title h2 { font-size: 2rem; }
}
@media (max-width: 768px) {
    .hero { padding: 140px 0 80px; }
    .hero h1 { font-size: 2.2rem; }
    .section { padding: 60px 0; }
    .footer-content { grid-template-columns: 1fr; text-align: center; }
    .projects-grid, .links-grid, .gallery-grid { grid-template-columns: 1fr; }
}
@media (max-width: 576px) {
    .hero h1 { font-size: 1.8rem; }
    .container { padding: 0 15px; }
}

/* 亮色彩色模式下标题特殊处理（彩虹渐变） */
body.theme-colorful h1,
body.theme-colorful h2,
body.theme-colorful .brand,
body.theme-colorful .section-title h2,
body.theme-colorful .feature-card h3,
body.theme-colorful .contact-card h3 {
    background: linear-gradient(90deg, #ff6b6b, #ffd166, #00d4ff, #6c5ce7, #3a86ff);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}
/* 亮色黑白模式下强制所有装饰为黑白 */
body.theme-light .feature-icon,
body.theme-light .btn,
body.theme-light .btn-accent,
body.theme-light .contact-icon,
body.theme-light .website-icon,
body.theme-light .skill,
body.theme-light .back-to-top,
body.theme-light .social-icons a {
    background: #333 !important;
    color: #fff !important;
    box-shadow: none !important;
}
body.theme-light .hero h1 {
    background: none;
    -webkit-text-fill-color: #000;
}
body.theme-light .section-title h2::after {
    background: #000;
}

/* ------------------ 摄影画廊与查看器样式 ------------------ */
/* 下面的样式用于自动生成的摄影作品预览、卡片与查看器模态框 */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
}
.photo-category { margin-bottom: 28px; }
.photo-category-header {
    display: grid;
    grid-template-columns: minmax(220px, 260px) 1fr;
    gap: 18px;
    align-items: center;
    margin-bottom: 22px;
    padding-bottom: 18px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}
.category-cover {
    overflow: hidden;
    border-radius: 16px;
    height: 180px;
    background: rgba(255,255,255,0.05);
}
.category-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.category-text h3 {
    margin: 0;
    color: var(--primary-color);
    font-size: 1.6rem;
}
.category-text p {
    margin: 8px 0 0;
    color: var(--text-secondary);
    line-height: 1.7;
}
.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 18px;
}
.photo-category h3 { color: var(--primary-color); margin-bottom: 10px; }
.work-card {
    background: var(--card-bg);
    border: 1px solid var(--border-light);
    border-radius: 14px;
    overflow: hidden;
    cursor: pointer;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.work-card:hover { transform: translateY(-6px); box-shadow: 0 12px 30px rgba(0,0,0,0.25); }
.work-cover { position: relative; width: 100%; height: 180px; overflow: hidden; }
.work-cover img { width: 100%; height: 100%; object-fit: cover; display: block; border-radius: 10px 10px 0 0; transition: transform 0.35s ease; }
.work-info { padding: 12px 14px; color: var(--text-secondary); }
.work-info h4 { margin: 0 0 6px 0; color: var(--text-primary); }
.work-info p { margin: 0; font-size: 0.95rem; }

/* 查看器模态框 */
.photo-viewer {
    position: fixed;
    left: 0; top: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.75);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2200;
    padding: 30px;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease, visibility 0.2s;
}
.photo-viewer.show { opacity: 1; visibility: visible; }
.photo-viewer .viewer-inner {
    max-width: 1200px;
    width: 100%;
    max-height: 90vh;
    background: var(--bg-primary);
    border-radius: 12px;
    overflow: hidden;
    display: flex;
    gap: 12px;
}
.viewer-image-wrap { flex: 1 1 70%; display:flex; align-items:center; justify-content:center; padding:18px; }
.viewer-image { max-width: 100%; max-height: 86vh; border-radius: 10px; object-fit: contain; transition: transform 0.35s ease; }
.viewer-image.zoomed { transform: scale(1.6); }
.viewer-meta { width: 340px; padding: 18px; background: var(--card-bg); border-left: 1px solid var(--border-light); overflow:auto; }
.viewer-meta h3 { margin-top: 0; color: var(--text-primary); }
.viewer-meta p { color: var(--text-secondary); }
.viewer-close { position: absolute; right: 28px; top: 22px; background: transparent; border: none; color: #fff; font-size: 22px; cursor: pointer; }

@media (max-width: 768px) {
    .viewer-meta { display: none; }
    .viewer-image-wrap { padding: 8px; }
    .photo-viewer { padding: 8px; }
}

/* 注：以上样式适配不同主题变量，圆角、自动缩放与信息面板都在这里定义 */

/* ======================
   资源展示网格（博客内容）
   ====================== */
.resource-wrapper {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
    margin: 24px 0;
}
.resource-item {
    background: var(--card-bg);
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border-light);
    transition: var(--transition);
}
.resource-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(0,0,0,0.15);
}
.resource-item img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    display: block;
    margin: 0;
}
.resource-item .resource-body {
    padding: 14px 16px;
}
.resource-item .resource-title {
    font-weight: 600;
    font-size: 1.05rem;
    color: var(--text-primary);
    margin-bottom: 6px;
}
.resource-item .resource-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.5;
}
.resource-item .resource-link {
    display: inline-block;
    margin-top: 10px;
    color: var(--primary-color);
    font-weight: 600;
    font-size: 0.9rem;
    border-bottom: 1px solid transparent;
    transition: var(--transition);
}
.resource-item .resource-link:hover {
    border-bottom-color: var(--primary-color);
}

/* 博客代码块改进 */
.markdown-content pre {
    background: #1e1e2e !important;
    border-radius: 12px;
    padding: 20px 24px;
    overflow-x: auto;
    position: relative;
    margin: 24px 0;
    border: 1px solid var(--border-light);
}
.markdown-content pre code {
    background: transparent !important;
    padding: 0;
    font-family: 'Fira Code', 'Consolas', 'Courier New', monospace;
    font-size: 0.9rem;
    color: #cdd6f4;
}
.markdown-content code:not(pre code) {
    background: rgba(0,212,255,0.1);
    color: var(--primary-color);
    padding: 2px 8px;
    border-radius: 6px;
    font-size: 0.9em;
    font-family: 'Fira Code', 'Consolas', 'Courier New', monospace;
}
/* 亮色主题代码块 */
body.theme-light .markdown-content pre {
    background: #f5f5f5 !important;
    border-color: #ddd;
}
body.theme-light .markdown-content pre code {
    color: #333;
}
body.theme-light .markdown-content code:not(pre code) {
    background: rgba(0,0,0,0.06);
    color: #d63384;
}
/* 彩色主题代码块 */
body.theme-colorful .markdown-content pre {
    background: #f8f9fa !important;
    border-color: var(--border-light);
}
body.theme-colorful .markdown-content pre code {
    color: #2d3748;
}
body.theme-colorful .markdown-content code:not(pre code) {
    background: #fff3cd;
    color: #856404;
}

/* ======================
   动画关键帧
   ====================== */
@keyframes lightFlow {
    0%, 100% { opacity: 0.3; transform: scaleY(1); }
    50% { opacity: 0.8; transform: scaleY(1.5); }
}