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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #2d3748;
    background-color: #ffffff;
    overflow-x: hidden;
}

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

/* 蓝色主题色彩变量 */
:root {
    --primary-blue: #2563eb;
    --primary-dark: #1e40af;
    --primary-light: #3b82f6;
    --secondary-blue: #60a5fa;
    --accent-blue: #dbeafe;
    --text-primary: #1a202c;
    --text-secondary: #4a5568;
    --text-light: #718096;
    --bg-light: #f8fafc;
    --bg-white: #ffffff;
    --border-color: #e2e8f0;
    --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 25px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 40px rgba(37, 99, 235, 0.15);
    --gradient-primary: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
    --gradient-secondary: linear-gradient(135deg, var(--secondary-blue) 0%, var(--primary-light) 100%);
}

/* 导航栏样式 */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    z-index: 1000;
    transition: all 0.3s ease;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
    font-size: 1.2rem;
    color: var(--primary-blue);
}

.logo-img {
    width: 150px;
    height: 50px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 50%;
    background-color: var(--primary-blue);
    transition: all 0.3s ease;
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
    left: 0;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.bar {
    width: 25px;
    height: 3px;
    background-color: var(--text-secondary);
    margin: 3px 0;
    transition: 0.3s;
}

/* 面包屑导航 */
.breadcrumb {
    background: var(--bg-light);
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-color);
    margin-top: 80px;
}

.breadcrumb .container {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
    font-size: 0.9rem;
}

.breadcrumb-link {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.breadcrumb-link:hover {
    color: var(--primary-blue);
}

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

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

/* 名人堂主页面 */
.hall-of-fame {
    padding: 4rem 0;
    background: linear-gradient(180deg, white 0%, var(--bg-light) 50%, white 100%);
    min-height: 80vh;
}

.page-header {
    text-align: center;
    margin-bottom: 4rem;
}

.page-title {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 1rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.page-subtitle {
    font-size: 1.3rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

.header-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 2rem;
    max-width: 500px;
    margin: 0 auto;
}

.stat-card {
    background: white;
    border-radius: 16px;
    padding: 2rem 1.5rem;
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-light);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
}

/* 筛选标签 */
.filter-section {
    margin-bottom: 3rem;
}

.filter-tabs {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.filter-tab {
    padding: 0.75rem 1.5rem;
    border: 2px solid var(--border-color);
    background: white;
    border-radius: 50px;
    font-weight: 600;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.95rem;
}

.filter-tab:hover {
    border-color: var(--primary-light);
    color: var(--primary-blue);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.filter-tab.active {
    background: var(--gradient-primary);
    color: white;
    border-color: transparent;
    box-shadow: 0 8px 25px rgba(37, 99, 235, 0.3);
}

/* 成员卡片网格 */
.members-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2.5rem;
    margin-bottom: 3rem;
}

.member-card {
    background: white;
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 1px solid var(--border-color);
    position: relative;
}

.member-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.member-card:hover::before {
    transform: scaleX(1);
}

.member-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 25px 50px rgba(37, 99, 235, 0.15);
    border-color: rgba(37, 99, 235, 0.2);
}

.member-header {
    padding: 2rem 2rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 1.5rem;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.02) 0%, rgba(96, 165, 250, 0.02) 100%);
    border-bottom: 1px solid var(--border-color);
}

.member-avatar {
    position: relative;
    flex-shrink: 0;
}

.member-avatar img {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--primary-light);
    transition: all 0.3s ease;
}

.member-card:hover .member-avatar img {
    border-color: var(--primary-blue);
    transform: scale(1.05);
    box-shadow: 0 8px 20px rgba(37, 99, 235, 0.3);
}

.member-badge {
    position: absolute;
    bottom: -5px;
    right: 0;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.7rem;
    font-weight: 600;
    color: white;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.member-badge.founder {
    background: linear-gradient(135deg, #f59e0b, #f97316);
}

.member-badge.technical {
    background: linear-gradient(135deg, #10b981, #059669);
}

.member-badge.support {
    background: linear-gradient(135deg, #8b5cf6, #7c3aed);
}

.member-badge.friendship {
    background: linear-gradient(135deg, #77ddff, #028dbc);
}

.member-info {
    flex: 1;
}

.member-name {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.member-title {
    color: var(--primary-blue);
    font-weight: 600;
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.member-skills {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.skill-tag {
    background: var(--accent-blue);
    color: var(--primary-blue);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
}

.member-content {
    padding: 1.5rem 2rem;
}

.member-bio {
    margin-bottom: 1.5rem;
}

.member-bio p {
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 0.95rem;
}

.member-achievements {
    margin-bottom: 1.5rem;
}

.member-achievements h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.member-achievements h4::before {
    content: '🏆';
    font-size: 1.2rem;
}

.member-achievements ul {
    list-style: none;
    padding: 0;
}

.member-achievements li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
}

.member-achievements li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-blue);
    font-weight: bold;
}

.member-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.stat {
    text-align: center;
    transition: all 0.3s ease;
}

.stat:hover {
    transform: translateY(-2px);
}

.stat-icon {
    display: block;
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.stat-text {
    display: block;
    color: var(--text-secondary);
    font-size: 0.75rem;
    font-weight: 500;
    margin-bottom: 0.25rem;
}

.stat-value {
    display: block;
    color: var(--primary-blue);
    font-size: 1rem;
    font-weight: 700;
}

/* 页脚样式 */
.footer {
    background-color: var(--text-primary);
    color: white;
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section {
    text-align: left;
}

.footer-section h4 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: white;
}

.footer-section ul {
    list-style: none;
    text-align: left;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
    text-align: left;
}

.footer-section ul li a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s ease;
    position: relative;
}

.footer-section ul li a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -2px;
    left: 0;
    background: linear-gradient(90deg, var(--secondary-blue), var(--primary-light));
    transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.footer-section ul li a:hover {
    color: white;
}

.footer-section ul li a:hover::after {
    width: 100%;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
    text-align: left;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 1rem;
    font-weight: 600;
    font-size: 1.2rem;
}

.footer-bottom {
    text-align: left;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
}

.icp-info {
    margin-bottom: 1rem;
}

.icp-info p {
    margin-bottom: 0.5rem;
}

.icp-info a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s ease;
    position: relative;
}

.icp-info a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -2px;
    left: 0;
    background: linear-gradient(90deg, var(--secondary-blue), var(--primary-light));
    transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.icp-info a:hover {
    color: white;
}

.icp-info a:hover::after {
    width: 100%;
}

.beian-icon {
    width: 16px;
    height: 16px;
    display: inline-block;
    vertical-align: middle;
    margin-right: 5px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow-lg);
        padding: 2rem 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .nav-toggle.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .page-title {
        font-size: 2.5rem;
    }

    .page-subtitle {
        font-size: 1.1rem;
    }

    .header-stats {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
        gap: 1rem;
    }

    .members-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .member-header {
        padding: 1.5rem;
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }

    .member-avatar img {
        width: 80px;
        height: 80px;
    }

    .member-stats {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: left;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

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

    .filter-tabs {
        gap: 0.5rem;
    }

    .filter-tab {
        padding: 0.5rem 1rem;
        font-size: 0.85rem;
    }

    .member-header {
        padding: 1rem;
    }

    .member-content {
        padding: 1rem;
    }
}

/* 动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.member-card {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease-out;
}

.member-card.visible {
    opacity: 1;
    transform: translateY(0);
}

/* 隐藏类 */
.hidden {
    display: none;
}

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

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

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

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}

/* 平滑滚动 */
html {
    scroll-behavior: smooth;
    scroll-padding-top: 70px;
}