/* 极简主义设计 - 深色主题 */
:root {
    --bg-primary: #0a0a0a;
    --bg-secondary: #141414;
    --bg-tertiary: #1a1a1a;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --text-muted: #606060;
    --accent-primary: #ffffff;
    --accent-secondary: #404040;
    --border-color: #2a2a2a;
    --grid-color: rgba(255, 255, 255, 0.03);
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --radius: 4px;
}

/* 亮色主题 - 护眼配色 */
[data-theme="light"] {
    --bg-primary: #faf8f5;           /* 温暖的米白色，减少蓝光刺激 */
    --bg-secondary: #f5f2ed;         /* 柔和的浅米色 */
    --bg-tertiary: #f0ece4;          /* 温暖的浅灰色 */
    --text-primary: #2c2c2c;         /* 深灰色替代纯黑色，减少对比度 */
    --text-secondary: #5a5a5a;       /* 柔和的深灰色 */
    --text-muted: #8a8a8a;           /* 温暖的浅灰色 */
    --accent-primary: #1a1a1a;       /* 深灰色强调色 */
    --accent-secondary: #e8e4dc;     /* 温暖的浅米色 */
    --border-color: #e0dcd4;        /* 柔和的边框色 */
    --grid-color: rgba(90, 90, 90, 0.02);  /* 降低网格对比度 */
}

/* 重置样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

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

/* 背景网格 */
.bg-grid {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(var(--grid-color) 1px, transparent 1px),
        linear-gradient(90deg, var(--grid-color) 1px, transparent 1px);
    background-size: 50px 50px;
    z-index: -1;
    pointer-events: none;
}

/* 容器 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* 面包屑导航样式 */
.breadcrumb-nav {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 0.5rem 0;
    position: relative; /* 改为相对定位 */
    top: 0;
    left: 0;
    right: 0;
    z-index: 999;
    backdrop-filter: blur(10px);
}

.breadcrumb {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.breadcrumb-item {
    display: inline-flex;
    align-items: center;
}

.breadcrumb-item a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.2s ease;
}

.breadcrumb-item a:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

.breadcrumb-item.active {
    color: var(--text-primary);
    font-weight: 500;
}

.breadcrumb-separator {
    margin: 0 0.5rem;
    color: var(--text-secondary);
}

/* 极简导航 */
.nav-minimal {
    position: sticky; /* 改为粘性定位 */
    top: 0;
    left: 0;
    width: 100%;
    background: var(--bg-secondary);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: var(--transition);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    font-size: 1.1rem;
    letter-spacing: 0.05em;
}

.brand-dot {
    width: 6px;
    height: 6px;
    background: var(--text-primary);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 400;
    transition: var(--transition);
    position: relative;
    font-size: 0.9rem;
    letter-spacing: 0.02em;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--text-primary);
    transition: var(--transition);
}

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

.nav-theme {
    display: flex;
    align-items: center;
}

.theme-toggle {
    background: none;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 0.5rem;
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
    font-size: 1rem;
}

.theme-toggle:hover {
    color: var(--text-primary);
    border-color: var(--text-primary);
}

/* 极简主标题 - 紧凑调整 */
.hero-minimal {
    min-height: 40vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem; /* 移除顶部额外间距 */
    text-align: center;
    position: relative;
}

.hero-content {
    max-width: 800px;
    z-index: 2;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    line-height: 1;
    margin-bottom: 0.5rem;
    letter-spacing: -1px;
}

.title-line {
    display: block;
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards;
}

.title-line:nth-child(2) {
    animation-delay: 0.2s;
}

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

.hero-description {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 4rem;
    line-height: 1.7;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    opacity: 0;
    animation: fadeInUp 0.8s ease 0.4s forwards;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 4rem;
    margin-top: 4rem;
    opacity: 0;
    animation: fadeInUp 0.8s ease 0.6s forwards;
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 1.8rem;
    font-weight: 300;
    color: var(--text-primary);
    margin-bottom: 0.2rem;
    font-family: var(--font-mono);
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    opacity: 0.5;
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.scroll-line {
    width: 1px;
    height: 30px;
    background: var(--text-muted);
    animation: scrollDown 2s infinite;
}

@keyframes scrollDown {
    0% { transform: scaleY(0); transform-origin: top; }
    50% { transform: scaleY(1); transform-origin: top; }
    100% { transform: scaleY(0); transform-origin: bottom; }
}

/* 作品部分 - 优化顶部间距 */
.work-section {
    padding: 3rem 0 8rem;
    background: var(--bg-secondary);
    margin-top: -2rem;
    position: relative;
    z-index: 2;
}

.section-header-minimal {
    text-align: center;
    margin-bottom: 5rem;
}

.section-header-minimal h2 {
    font-size: 2.5rem;
    font-weight: 300;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.section-header-minimal p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    max-width: 500px;
    margin: 0 auto;
}

/* 搜索栏样式 */
.search-container-minimal {
    max-width: 600px;
    margin: 2rem auto 3rem;
    padding: 0 1rem;
}

.search-box {
    position: relative;
    display: flex;
    align-items: center;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    transition: var(--transition);
    overflow: hidden;
}

.search-box:focus-within {
    border-color: var(--text-primary);
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.1);
}

.search-icon {
    position: absolute;
    left: 1rem;
    color: var(--text-muted);
    font-size: 1rem;
    z-index: 1;
}

.search-input {
    flex: 1;
    padding: 1rem 1rem 1rem 3rem;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 1rem;
    outline: none;
}

.search-input::placeholder {
    color: var(--text-muted);
}

.search-clear {
    position: absolute;
    right: 1rem;
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 50%;
    transition: var(--transition);
}

.search-clear:hover {
    color: var(--text-primary);
    background: var(--bg-tertiary);
}

.search-stats {
    text-align: center;
    margin-top: 1rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* 项目网格布局 - 一行4个 */
.work-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-bottom: 4rem;
}

@media (max-width: 1200px) {
    .work-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .work-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
}

@media (max-width: 480px) {
    .work-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
}

.work-item {
    position: relative;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--transition);
    cursor: pointer;
}

.work-item:hover {
    transform: translateY(-4px);
    border-color: var(--text-primary);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.work-image {
    width: 100%;
    height: 180px;
    object-fit: cover;
    transition: var(--transition);
}

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

.work-content {
    padding: 1.5rem;
}

.work-title {
    font-size: 1.1rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.work-description {
    color: var(--text-secondary);
    font-size: 0.85rem;
    line-height: 1.5;
    margin-bottom: 1rem;
}

.work-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-family: var(--font-mono);
}

.work-author {
    color: var(--text-primary);
    font-weight: 500;
}

.work-year {
    opacity: 0.8;
}

.work-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.work-tag {
    padding: 0.25rem 0.75rem;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border-radius: var(--radius);
    font-size: 0.8rem;
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    cursor: pointer;
}

.view-all {
    text-align: center;
}

/* 极简按钮 */
.btn-minimal {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    background: var(--bg-primary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    font-weight: 400;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.9rem;
    letter-spacing: 0.02em;
}

.btn-minimal:hover {
    background: var(--text-primary);
    color: var(--bg-primary);
    border-color: var(--text-primary);
}

.btn-minimal.btn-primary {
    background: var(--text-primary);
    color: var(--bg-primary);
    border-color: var(--text-primary);
}

.btn-minimal.btn-primary:hover {
    background: var(--bg-primary);
    color: var(--text-primary);
}

/* 关于部分 */
.about-minimal {
    padding: 8rem 0;
    background: var(--bg-primary);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 4rem;
    align-items: start;
}

.about-text h2 {
    font-size: 2.5rem;
    font-weight: 300;
    margin-bottom: 2rem;
    letter-spacing: -0.02em;
}

.about-text p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 3rem;
}

/* 团队介绍样式 - 一行2个 */
.team-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

@media (max-width: 768px) {
    .team-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}

.team-member {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 2rem;
    transition: var(--transition);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.team-member:hover {
    transform: translateY(-8px);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
    border-color: var(--text-primary);
}

.member-avatar {
    margin-bottom: 1rem;
    position: relative;
}

.member-avatar img {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--border-color);
    transition: var(--transition);
    background: linear-gradient(135deg, var(--bg-secondary), var(--bg-primary));
}

.team-member:hover .member-avatar img {
    transform: scale(1.1);
    border-color: var(--text-primary);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.member-name {
    font-size: 1.1rem;
    font-weight: 500;
    margin-bottom: 0.3rem;
    color: var(--text-primary);
}

.member-role {
    color: var(--text-secondary);
    font-size: 0.8rem;
    margin-bottom: 0.8rem;
    font-weight: 400;
}

.member-stats {
    margin-bottom: 1rem;
}

.stat-item {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    background: var(--bg-secondary);
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.75rem;
    color: var(--text-secondary);
    transition: var(--transition);
}

.team-member:hover .stat-item.work-tag:hover {
    background: var(--text-primary);
    color: var(--bg-primary);
    transform: translateY(-1px);
}

.stat-icon {
    font-size: 0.8rem;
}

.member-bio {
    color: var(--text-secondary);
    font-size: 0.8rem;
    line-height: 1.5;
    margin-bottom: 1rem;
    min-height: 2.4em;
}

.member-contact {
    margin-top: 1rem;
}

.email-link {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.75rem;
    transition: var(--transition);
    padding: 0.4rem 0.8rem;
    border-radius: 15px;
    background: var(--bg-secondary);
}

.email-link:hover {
    color: var(--text-primary);
    background: var(--border-color);
    transform: translateY(-2px);
}

.email-icon {
    font-size: 0.8rem;
}

/* 团队管理工具栏 */
.team-admin-panel {
    position: fixed;
    top: 50%;
    right: 20px;
    transform: translateY(-50%);
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 1rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    display: none;
}

.team-admin-panel.active {
    display: block;
}

.admin-button {
    display: block;
    width: 100%;
    padding: 0.5rem 1rem;
    margin-bottom: 0.5rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-size: 0.8rem;
    cursor: pointer;
    transition: var(--transition);
}

.admin-button:hover {
    background: var(--text-primary);
    color: var(--bg-primary);
}

.admin-button:last-child {
     margin-bottom: 0;
 }

.admin-member-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.8rem;
}

.admin-member-item:last-child {
    border-bottom: none;
}

.admin-member-actions {
    display: flex;
    gap: 0.5rem;
}

.admin-member-actions .admin-button {
    margin-bottom: 0;
    padding: 0.3rem 0.8rem;
    font-size: 0.7rem;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.skill-category h3 {
    font-size: 1rem;
    font-weight: 500;
    margin-bottom: 1rem;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.skill-category ul {
    list-style: none;
}

.skill-category li {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    transition: var(--transition);
}

.skill-category li:hover {
    color: var(--text-primary);
    padding-left: 0.5rem;
}

/* 联系部分 */
.contact-minimal {
    padding: 8rem 0;
    background: var(--bg-secondary);
}

.contact-content {
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
}

.contact-info h2 {
    font-size: 2.5rem;
    font-weight: 300;
    margin-bottom: 2rem;
    letter-spacing: -0.02em;
}

.contact-info p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 3rem;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-method {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

.contact-method:hover {
    color: var(--text-primary);
}

.contact-method i {
    width: 20px;
    text-align: center;
}

.social-links-minimal {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

.social-link:hover {
    background: var(--text-primary);
    color: var(--bg-primary);
    border-color: var(--text-primary);
}

/* 微信公众号二维码样式 */
.wechat-qr-section {
    text-align: center;
    margin-top: 2rem;
}

.qr-container {
    display: inline-block;
    text-align: center;
    padding: 2rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    transition: var(--transition);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.qr-container:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25);
    border-color: var(--text-primary);
}

.wechat-qr {
    width: 180px;
    height: 180px;
    object-fit: contain;
    border-radius: 12px;
    margin-bottom: 1.5rem;
    background: var(--bg-primary);
    padding: 0.5rem;
}

.qr-description {
    font-size: 1.1rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.qr-subtitle {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin: 0;
    font-weight: 400;
}

.contact-form-minimal {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-family: var(--font-primary);
    font-size: 0.9rem;
    transition: var(--transition);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--text-primary);
    box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.1);
}

/* 页脚 */
.footer-minimal {
    padding: 3rem 0;
    background: var(--bg-primary);
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-content p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition);
}

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

/* 光标效果 */
.cursor {
    position: fixed;
    width: 20px;
    height: 20px;
    background: var(--text-primary);
    border-radius: 50%;
    pointer-events: none;
    z-index: 9999;
    mix-blend-mode: difference;
    transition: transform 0.08s ease-out;
}

.cursor-follower {
    position: fixed;
    width: 40px;
    height: 40px;
    border: 2px solid var(--text-primary);
    border-radius: 50%;
    pointer-events: none;
    z-index: 9998;
    transition: transform 0.12s ease-out;
    opacity: 0.5;
}

/* 隐藏默认光标 */
* {
    cursor: none;
}

a, button, input, textarea {
    cursor: none;
}


/* 滚动条样式 */
::-webkit-scrollbar {
    width: 8px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* 选择文本样式 */
::selection {
    background: var(--text-primary);
    color: var(--bg-primary);
}

/* 加载动画 */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* 移动端隐藏光标效果 */
@media (hover: none) and (pointer: coarse) {
    .cursor,
    .cursor-follower {
        display: none;
    }
    
    * {
        cursor: auto;
    }
    
    a, button, input, textarea {
        cursor: pointer;
    }
}