:root {
    --bg: #ffffff;
    --text: #1a1a2e;
    --nav-bg: #ffffff;
    --nav-text: #1a1a2e;
    --hero-bg: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    --hero-text: #ffffff;
    --accent: #e94560;
    --accent-hover: #d63d56;
    --card-bg: #ffffff;
    --card-border: #e8e8e8;
    --card-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    --section-alt-bg: #f8f9fa;
    --lovely-blue: #3b82f6;
    --eandan-purple: #8b5cf6;
}

[data-theme="dark"] {
    --bg: #0f0f1a;
    --text: #e8e8e8;
    --nav-bg: #1a1a2e;
    --nav-text: #e8e8e8;
    --hero-bg: linear-gradient(135deg, #16213e 0%, #1a1a2e 50%, #0f0f1a 100%);
    --hero-text: #ffffff;
    --accent: #e94560;
    --accent-hover: #ff6b81;
    --card-bg: #1a1a2e;
    --card-border: #2a2a4a;
    --card-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    --section-alt-bg: #16162a;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
    line-height: 1.6;
}

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 60px;
    background: var(--nav-bg);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.06);
    z-index: 1000;
    backdrop-filter: blur(10px);
}

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

.logo-img {
    height: 44px;
    width: auto;
}

.nav-center {
    display: flex;
    gap: 8px;
}

.nav-center a {
    padding: 10px 22px;
    text-decoration: none;
    color: var(--nav-text);
    font-weight: 500;
    font-size: 15px;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.nav-center a:hover {
    background: rgba(233, 69, 96, 0.1);
    color: var(--accent);
}

.nav-center a.active {
    background: var(--accent);
    color: #ffffff;
}

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

.theme-btn {
    background: var(--section-alt-bg);
    border: none;
    width: 42px;
    height: 44px;
    border-radius: 50%;
    font-size: 18px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.theme-btn:hover {
    transform: scale(1.1);
    background: var(--accent);
}

.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    background: var(--hero-bg);
    color: var(--hero-text);
    padding: 120px 40px 80px;
    position: relative;
    overflow: hidden;
}

.animated-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
    z-index: 0;
}

.gradient-orbs {
    position: absolute;
    width: 700px;
    height: 700px;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.5;
    animation: float 15s ease-in-out infinite;
}

.orb-1 {
    background: linear-gradient(135deg, #e94560, #ff8a9b);
    top: -250px;
    left: -150px;
    animation-delay: 0s;
}

.orb-2 {
    background: linear-gradient(135deg, #8b5cf6, #3b82f6);
    top: 40%;
    right: -250px;
    animation-delay: -5s;
}

.orb-3 {
    background: linear-gradient(135deg, #10b981, #06b6d4);
    bottom: -200px;
    left: 30%;
    animation-delay: -10s;
}

.orb-4 {
    background: linear-gradient(135deg, #f59e0b, #ef4444);
    top: 20%;
    left: 50%;
    width: 500px;
    height: 500px;
    opacity: 0.3;
    animation-delay: -7s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1) rotate(0deg);
    }
    20% {
        transform: translate(120px, -100px) scale(1.2) rotate(15deg);
    }
    40% {
        transform: translate(-80px, 120px) scale(0.85) rotate(-10deg);
    }
    60% {
        transform: translate(100px, 80px) scale(1.1) rotate(12deg);
    }
    80% {
        transform: translate(-100px, -80px) scale(0.95) rotate(-15deg);
    }
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    pointer-events: none;
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-badge {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(233, 69, 96, 0.2);
    border: 1px solid rgba(233, 69, 96, 0.4);
    border-radius: 50px;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 24px;
    color: #ff6b81;
    animation: pulse-badge 3s ease-in-out infinite;
}

@keyframes pulse-badge {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(233, 69, 96, 0.4);
    }
    50% {
        box-shadow: 0 0 20px 10px rgba(233, 69, 96, 0.1);
    }
}

.hero h1 {
    font-size: 56px;
    font-weight: 700;
    margin: 0 0 20px;
    letter-spacing: -1px;
    max-width: 800px;
    line-height: 1.2;
}

.typing-container {
    min-height: 100px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.typing-line {
    font-size: 36px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    margin: 4px 0;
    min-height: 44px;
}

.typing-cursor {
    display: inline-block;
    width: 3px;
    height: 1.2em;
    background: #fff;
    margin-left: 6px;
    vertical-align: text-bottom;
    animation: cursorBlink 1s ease-in-out infinite;
    box-shadow: 0 0 10px var(--accent), 0 0 20px rgba(233, 69, 96, 0.5);
}

@keyframes cursorBlink {
    0%, 25%, 75%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

.hero-subtitle {
    font-size: 20px;
    opacity: 0.85;
    max-width: 600px;
    margin: 0 0 40px;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    justify-content: center;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 16px 32px;
    background: var(--accent);
    color: #ffffff;
    text-decoration: none;
    border-radius: 12px;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(233, 69, 96, 0.35);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 16px 32px;
    background: rgba(255, 255, 255, 0.1);
    color: #ffffff;
    text-decoration: none;
    border-radius: 12px;
    font-weight: 500;
    font-size: 16px;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.section {
    padding: 100px 60px;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

.section.visible {
    opacity: 1;
    transform: translateY(0);
}

.section-alt {
    background: var(--section-alt-bg);
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 36px;
    font-weight: 700;
    margin: 0 0 16px;
    color: var(--text);
}

.section-header p {
    font-size: 18px;
    opacity: 0.7;
    max-width: 600px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
    max-width: 800px;
    margin: 0 auto;
}

.feature-card {
    background: var(--card-bg);
    padding: 40px 32px;
    border-radius: 20px;
    border: 1px solid var(--card-border);
    box-shadow: var(--card-shadow);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    text-align: center;
}

.feature-card:hover {
    transform: translateY(-8px);
    border-color: var(--accent);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
}

.feature-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--accent) 0%, #ff8a9b 100%);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    font-size: 32px;
    transition: transform 0.3s ease;
}

.feature-card:hover .feature-icon {
    transform: scale(1.1) rotate(5deg);
}

.feature-card h3 {
    font-size: 22px;
    font-weight: 600;
    margin: 0 0 12px;
    color: var(--text);
}

.feature-card p {
    font-size: 15px;
    opacity: 0.7;
    margin: 0;
    line-height: 1.7;
}

.stats-section {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    max-width: 1000px;
    margin: 0 auto;
}

.stat-item {
    text-align: center;
    padding: 40px 20px;
    border-radius: 20px;
    transition: all 0.4s ease;
    cursor: pointer;
    border: 1px solid transparent;
}

.stat-item:hover {
    background: var(--section-alt-bg);
    transform: translateY(-6px);
    border-color: var(--accent);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.stat-number {
    font-size: 52px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent) 0%, #ff8a9b 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 16px;
    opacity: 0.7;
}

.highlight-section {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.highlight-content h2 {
    font-size: 36px;
    font-weight: 700;
    margin: 0 0 20px;
    color: var(--text);
}

.highlight-content p {
    font-size: 17px;
    opacity: 0.8;
    line-height: 1.8;
    margin: 0 0 30px;
}

.highlight-visual {
    background: linear-gradient(135deg, var(--accent) 0%, #0f3460 100%);
    border-radius: 24px;
    padding: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 350px;
    position: relative;
    overflow: hidden;
}

.highlight-visual::before {
    content: '';
    position: absolute;
    width: 300px;
    height: 300px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    top: -50px;
    right: -50px;
    animation: float 6s ease-in-out infinite;
}

.highlight-visual-content {
    color: #ffffff;
    text-align: center;
    position: relative;
    z-index: 1;
}

.highlight-visual-content .big-icon {
    font-size: 80px;
    margin-bottom: 20px;
    display: inline-block;
    animation: float-icon 4s ease-in-out infinite;
}

@keyframes float-icon {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.highlight-visual-content h3 {
    font-size: 28px;
    margin: 0 0 10px;
}

.highlight-visual-content p {
    font-size: 16px;
    opacity: 0.8;
    margin: 0;
}

.cta-section {
    background: var(--hero-bg);
    padding: 80px 60px;
    text-align: center;
    color: #ffffff;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    background: var(--accent);
    filter: blur(120px);
    opacity: 0.3;
    top: -100px;
    right: -100px;
}

.cta-section h2 {
    font-size: 36px;
    font-weight: 700;
    margin: 0 0 16px;
    position: relative;
    z-index: 1;
}

.cta-section p {
    font-size: 18px;
    opacity: 0.85;
    margin: 0 0 30px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 1;
}

.cta-section .hero-buttons {
    position: relative;
    z-index: 1;
}

.footer {
    background: #0d0d1a;
    color: #8a8a9a;
    padding: 80px 60px 30px;
    text-align: center;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 60px;
    text-align: left;
    padding-bottom: 40px;
    border-bottom: 1px solid #2a2a3a;
}

.footer-brand h3 {
    color: #ffffff;
    font-size: 22px;
    margin: 0 0 12px;
}

.footer-brand p {
    font-size: 14px;
    line-height: 1.7;
    margin: 0;
}

.footer-links h4 {
    color: #ffffff;
    font-size: 16px;
    margin: 0 0 16px;
}

.footer-links ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: #8a8a9a;
    text-decoration: none;
    font-size: 14px;
    transition: all 0.3s ease;
    display: inline-block;
}

.footer-links a:hover {
    color: var(--accent);
    transform: translateX(4px);
}

.footer-bottom {
    padding-top: 30px;
    font-size: 14px;
}

.small-hero {
    padding: 160px 40px 80px;
    background: var(--hero-bg);
    text-align: center;
    color: #ffffff;
    min-height: auto;
    position: relative;
    overflow: hidden;
}

.small-hero::before {
    display: none;
}

.small-hero .animated-bg {
    opacity: 0.8;
}

.small-hero h1 {
    font-size: 44px;
    font-weight: 700;
    margin: 0 0 16px;
    position: relative;
    z-index: 2;
}

.small-hero p {
    font-size: 18px;
    opacity: 0.85;
    max-width: 600px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.page-content {
    padding: 80px 60px;
    max-width: 1200px;
    margin: 0 auto;
}

.content-card {
    background: var(--card-bg);
    border-radius: 20px;
    border: 1px solid var(--card-border);
    box-shadow: var(--card-shadow);
    padding: 50px;
    margin-bottom: 40px;
}

.content-card h2 {
    font-size: 28px;
    font-weight: 700;
    margin: 0 0 20px;
    color: var(--text);
    padding-bottom: 16px;
    border-bottom: 2px solid var(--accent);
    display: inline-block;
}

.content-card p {
    font-size: 16px;
    line-height: 1.9;
    opacity: 0.85;
    margin: 0 0 16px;
}

.content-card ul {
    padding-left: 24px;
    line-height: 2.2;
    font-size: 16px;
    opacity: 0.85;
}

.content-card ul li {
    margin-bottom: 8px;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: 32px;
    margin-top: 30px;
}

.team-member-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    padding: 40px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.team-member-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent), #8b5cf6);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.team-member-card.lovely::before {
    background: linear-gradient(90deg, #3b82f6, #06b6d4);
}

.team-member-card.eandan::before {
    background: linear-gradient(90deg, #8b5cf6, #ec4899);
}

.team-member-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
}

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

.card-header {
    display: flex;
    align-items: flex-start;
    gap: 24px;
    margin-bottom: 24px;
}

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

.member-avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid transparent;
    background: var(--section-alt-bg);
    padding: 4px;
    transition: all 0.3s ease;
}

.team-member-card.lovely .member-avatar {
    border-color: var(--lovely-blue);
}

.team-member-card.eandan .member-avatar {
    border-color: var(--eandan-purple);
}

.member-info {
    flex: 1;
}

.member-name {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 4px;
    letter-spacing: -0.01em;
    color: var(--text);
}

.member-nickname {
    font-size: 0.9375rem;
    color: var(--text-secondary, #666);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.nickname-badge {
    font-size: 0.75rem;
    padding: 2px 8px;
    border-radius: 4px;
    font-weight: 500;
}

.team-member-card.lovely .nickname-badge {
    background: rgba(59, 130, 246, 0.15);
    color: #60a5fa;
}

.team-member-card.eandan .nickname-badge {
    background: rgba(139, 92, 246, 0.15);
    color: #a78bfa;
}

.member-role {
    font-size: 0.9375rem;
    color: var(--text-secondary, #666);
    line-height: 1.5;
}

.member-contact {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.875rem;
    margin-top: 8px;
}

.member-contact a {
    color: inherit;
    text-decoration: none;
    transition: all 0.2s ease;
}

.member-contact a:hover {
    text-decoration: underline;
}

.card-details {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.6s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.4s ease, padding 0.4s ease;
    opacity: 0;
    padding-top: 0;
}

.card-details.expanded {
    max-height: 1000px;
    opacity: 1;
    padding-top: 24px;
}

.bio-section {
    margin-bottom: 24px;
}

.section-label {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-muted, #999);
    margin-bottom: 12px;
}

.bio-text {
    font-size: 0.9375rem;
    color: var(--text-secondary, #666);
    line-height: 1.8;
}

.expertise-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-bottom: 24px;
}

.expertise-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    background: var(--section-alt-bg);
    border-radius: 10px;
    border: 1px solid var(--card-border);
    transition: all 0.2s ease;
}

.expertise-item:hover {
    border-color: #4a4a4a;
    background: var(--card-bg);
}

.expertise-icon {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
}

.team-member-card.lovely .expertise-icon {
    background: rgba(59, 130, 246, 0.1);
}

.team-member-card.eandan .expertise-icon {
    background: rgba(139, 92, 246, 0.1);
}

.expertise-text {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text);
}

.skills-container {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.skill-tag {
    font-size: 0.8125rem;
    padding: 6px 14px;
    border-radius: 20px;
    border: 1px solid var(--card-border);
    background: transparent;
    color: var(--text-secondary, #666);
    transition: all 0.2s ease;
}

.skill-tag:hover {
    border-color: #4a4a4a;
    color: var(--text);
}

.team-member-card.lovely .skill-tag.primary {
    background: rgba(59, 130, 246, 0.1);
    border-color: rgba(59, 130, 246, 0.3);
    color: #60a5fa;
}

.team-member-card.eandan .skill-tag.primary {
    background: rgba(139, 92, 246, 0.1);
    border-color: rgba(139, 92, 246, 0.3);
    color: #a78bfa;
}

.decoration-dot {
    position: absolute;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.15;
    pointer-events: none;
}

.dot-1 {
    top: -100px;
    right: -100px;
    background: #3b82f6;
}

.dot-2 {
    bottom: -100px;
    left: -100px;
    background: #8b5cf6;
}

.expand-hint {
    position: absolute;
    bottom: 12px;
    right: 16px;
    font-size: 12px;
    color: var(--text-muted, #999);
    display: flex;
    align-items: center;
    gap: 4px;
    transition: all 0.3s ease;
}

.expand-hint svg {
    transition: transform 0.3s ease;
}

.team-member-card.expanded .expand-hint svg {
    transform: rotate(180deg);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.contact-info-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    padding: 40px;
    text-align: center;
    transition: all 0.4s ease;
}

.contact-info-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
}

.contact-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--accent) 0%, #ff8a9b 100%);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    font-size: 28px;
    transition: transform 0.3s ease;
}

.contact-info-card:hover .contact-icon {
    transform: scale(1.1) rotate(5deg);
}

.contact-info-card h3 {
    font-size: 22px;
    font-weight: 600;
    margin: 0 0 12px;
    color: var(--text);
}

.contact-info-card p {
    font-size: 15px;
    opacity: 0.7;
    margin: 0 0 16px;
}

.contact-link {
    color: var(--accent);
    font-weight: 600;
    text-decoration: none;
    font-size: 15px;
    transition: all 0.2s ease;
}

.contact-link:hover {
    text-decoration: underline;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 20px;
}

.social-link {
    width: 36px;
    height: 36px;
    background: var(--section-alt-bg);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    animation: socialFloat 3s ease-in-out infinite;
}

.social-link:nth-child(1) {
    animation-delay: 0s;
}

.social-link:nth-child(2) {
    animation-delay: 0.15s;
}

.social-link:nth-child(3) {
    animation-delay: 0.3s;
}

@keyframes socialFloat {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-4px);
    }
}

.social-link:hover {
    transform: translateY(-6px) scale(1.2);
}

.social-link:nth-child(1):hover {
    background: #24292e;
    box-shadow: 0 8px 20px rgba(36, 41, 46, 0.3);
}

.social-link:nth-child(2):hover {
    background: #fb7299;
    box-shadow: 0 8px 20px rgba(251, 114, 153, 0.3);
}

.social-link:nth-child(3):hover {
    background: linear-gradient(135deg, #000000 0%, #000000 50%, #fe2c55 100%);
    box-shadow: 0 8px 20px rgba(254, 44, 85, 0.3);
}

.social-link img {
    width: 18px;
    height: 18px;
    opacity: 0.8;
    transition: all 0.3s ease;
}

.social-link:hover img {
    opacity: 1;
    filter: brightness(0) invert(1);
}

.qr-display {
    width: 160px;
    height: 160px;
    background: #ffffff;
    border-radius: 12px;
    margin: 16px auto 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid #e8e8e8;
    overflow: hidden;
}

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

@media (max-width: 900px) {
    .navbar {
        padding: 14px 24px;
        flex-wrap: wrap;
    }
    
    .nav-center {
        order: 3;
        width: 100%;
        justify-content: center;
        margin-top: 14px;
        padding-top: 14px;
        border-top: 1px solid var(--card-border);
    }
    
    .nav-center a {
        padding: 8px 14px;
        font-size: 14px;
    }
    
    .hero {
        padding: 140px 24px 60px;
    }
    
    .hero h1 {
        font-size: 40px;
    }
    
    .typing-line {
        font-size: 26px;
    }
    
    .section {
        padding: 60px 24px;
    }
    
    .section-header h2 {
        font-size: 28px;
    }
    
    .highlight-section {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .highlight-visual {
        order: -1;
        min-height: 250px;
    }
    
    .stats-section {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .page-content {
        padding: 60px 24px;
    }
    
    .content-card {
        padding: 30px 24px;
    }
    
    .team-grid {
        grid-template-columns: 1fr;
    }

    .team-member-card {
        padding: 24px 20px;
    }

    .member-avatar {
        width: 70px;
        height: 70px;
    }

    .member-name {
        font-size: 1.25rem;
    }

    .card-header {
        gap: 16px;
    }

    .decoration-dot {
        width: 150px;
        height: 150px;
        filter: blur(60px);
    }

    /* 手机端只显示头像、名字、@网名 */
    .member-role,
    .member-contact,
    .card-details,
    .expand-hint {
        display: none;
    }

    .team-member-card {
        cursor: default;
    }
}

@media (max-width: 600px) {
    .nav-center {
        gap: 4px;
    }
    
    .nav-center a {
        padding: 6px 10px;
        font-size: 13px;
    }
    
    .hero h1 {
        font-size: 32px;
    }
    
    .typing-line {
        font-size: 22px;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn-primary, .btn-secondary {
        width: 100%;
        justify-content: center;
    }
    
    .stats-section {
        grid-template-columns: 1fr 1fr;
        gap: 20px;
    }
    
    .stat-number {
        font-size: 42px;
    }
    
    .expertise-grid {
        grid-template-columns: 1fr;
    }

    .team-member-card {
        padding: 20px 16px;
    }

    .member-avatar {
        width: 60px;
        height: 60px;
    }

    .member-name {
        font-size: 1.1rem;
    }

    .member-role {
        font-size: 0.85rem;
    }

    .card-details {
        padding-top: 16px;
    }
}