/* 全局样式 - NEUERA蓝色科技感 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

:root {
    /* Logo配色：青色(左) → 蓝色(中) → 紫色(右) */
    --primary-color: #00D9FF;
    --secondary-color: #0066FF;
    --accent-color: #7B2CBF;
    --logo-blue: #0052D9;
    --logo-blue-bright: #0066FF;
    --background-color: #0052D9;
    --card-background: rgba(0, 82, 217, 0.9);
    --card-background-solid: rgba(0, 82, 217, 0.95);
    --text-primary: #1D1D1F;
    --text-secondary: #86868B;
    --shadow-light: 0 2px 10px rgba(0, 217, 255, 0.3);
    --shadow-medium: 0 4px 20px rgba(0, 217, 255, 0.4);
    --shadow-glow: 0 0 30px rgba(0, 217, 255, 0.6);
    --border-radius: 20px;
    --border-radius-small: 12px;
    --border-color: rgba(0, 217, 255, 0.4);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    background: linear-gradient(135deg, #0052D9 0%, #0066FF 30%, #E8F4FF 70%, #FFFFFF 100%);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

/* 头部Banner */
.banner {
    position: relative;
    width: 100%;
    min-height: 100vh;
    background: linear-gradient(135deg, #0052D9 0%, #0066FF 25%, #4DA3FF 50%, #B3D5FF 75%, #FFFFFF 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: 60px 20px;
}

.banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(0, 217, 255, 0.2) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(123, 44, 191, 0.2) 0%, transparent 50%);
    pointer-events: none;
}

.banner-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.05);
    backdrop-filter: blur(1px);
}

.banner-content {
    position: relative;
    z-index: 2;
    max-width: 1200px;
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.banner-text {
    color: white;
    animation: fadeInUp 1s ease-out;
}

.main-title {
    font-size: 64px;
    font-weight: 700;
    margin-bottom: 20px;
    letter-spacing: -1px;
    line-height: 1.2;
    color: #FF2D55;
    text-shadow: 0 4px 20px rgba(255, 45, 85, 0.3);
}

.subtitle {
    font-size: 24px;
    font-weight: 400;
    opacity: 0.95;
    letter-spacing: 0.5px;
    white-space: nowrap;
}

.banner-visual {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 40px;
    animation: fadeInRight 1s ease-out;
}

/* 脑电波动画容器 */
.eeg-animation {
    position: relative;
    width: 300px;
    height: 200px;
    background: rgba(0, 217, 255, 0.05);
    backdrop-filter: blur(20px);
    border-radius: var(--border-radius);
    padding: 20px;
    box-shadow: var(--shadow-glow);
    border: 1px solid var(--border-color);
}

#eegCanvas {
    width: 100%;
    height: 100%;
    display: block;
}

/* Logo容器 */
.logo-container {
    position: relative;
    width: 300px;
    height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.neuera-logo {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
}

/* 核心板块入口 */
.core-sections {
    padding: 100px 20px;
    background: linear-gradient(135deg, #FFFFFF 0%, #E8F4FF 40%, #D6EBFF 60%, #FFFFFF 100%);
    position: relative;
}

.core-sections::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 50% 0%, rgba(0, 217, 255, 0.15) 0%, transparent 50%);
    pointer-events: none;
}

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

.section-title {
    font-size: 42px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 60px;
    color: #FF2D55;
    letter-spacing: -0.5px;
}

.section-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
    position: relative;
    z-index: 1;
}

.section-card {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    border-radius: var(--border-radius);
    padding: 40px 30px;
    text-decoration: none;
    color: var(--text-primary);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 20px rgba(0, 82, 217, 0.15);
    border: 1px solid rgba(0, 82, 217, 0.2);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    position: relative;
    overflow: hidden;
    cursor: pointer !important;
    z-index: 10 !important;
    pointer-events: auto !important;
}

.section-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 217, 255, 0.2), transparent);
    transition: left 0.5s;
    pointer-events: none;
    z-index: 0;
}

.section-card:hover::before {
    left: 100%;
}

.section-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-glow);
    border-color: var(--primary-color);
    background: rgba(0, 217, 255, 0.1);
}

.card-icon {
    font-size: 48px;
    margin-bottom: 20px;
    filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.1));
    transition: transform 0.3s ease;
    position: relative;
    z-index: 1;
}

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

.section-card h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 12px;
    color: #FF2D55;
    position: relative;
    z-index: 1;
}

.section-card p {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.5;
    position: relative;
    z-index: 1;
}

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

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

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


/* 团队介绍板块 */
.team-section {
    padding: 100px 20px;
    background: linear-gradient(135deg, #FFFFFF 0%, #D6EBFF 35%, #C5E0FF 65%, #FFFFFF 100%);
    position: relative;
}

.team-content {
    max-width: 900px;
    margin: 0 auto;
}

.team-intro {
    margin-bottom: 60px;
}

.team-name {
    text-align: center;
    margin-bottom: 40px;
    animation: fadeInUp 0.8s ease-out;
}

.team-name h3 {
    font-size: 56px;
    font-weight: 700;
    color: #FF2D55;
    margin-bottom: 12px;
    letter-spacing: -1px;
    text-shadow: 0 0 30px rgba(255, 45, 85, 0.3);
}

.name-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    font-weight: 400;
}

.team-description {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    border-radius: var(--border-radius);
    padding: 50px 40px;
    box-shadow: 0 4px 20px rgba(0, 82, 217, 0.15);
    border: 1px solid rgba(0, 82, 217, 0.2);
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.description-text {
    font-size: 18px;
    line-height: 1.8;
    color: var(--text-primary);
    margin-bottom: 24px;
    text-align: justify;
}

.description-text:last-child {
    margin-bottom: 0;
}

.founders {
    background: linear-gradient(135deg, rgba(0, 217, 255, 0.1) 0%, rgba(123, 44, 191, 0.1) 100%);
    border-radius: var(--border-radius);
    padding: 50px 40px;
    text-align: center;
    box-shadow: var(--shadow-light);
    border: 1px solid var(--border-color);
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.founders-title {
    font-size: 28px;
    font-weight: 600;
    color: #FF2D55;
    margin-bottom: 30px;
    letter-spacing: -0.5px;
}

.founders-list {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 20px;
}

.founder-item {
    background: rgba(255, 255, 255, 0.9);
    padding: 16px 32px;
    border-radius: var(--border-radius-small);
    font-size: 18px;
    font-weight: 500;
    color: var(--text-primary);
    box-shadow: 0 4px 20px rgba(0, 82, 217, 0.15);
    border: 1px solid rgba(0, 82, 217, 0.2);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    min-width: 120px;
}

.founder-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow);
    background: linear-gradient(135deg, #00D9FF 0%, #7B2CBF 100%);
    color: white;
    border-color: var(--primary-color);
}

.founders-info {
    font-size: 16px;
    color: var(--text-secondary);
    margin-top: 20px;
    font-weight: 400;
}

/* 脑机知识馆板块 */
.knowledge-section {
    padding: 100px 20px;
    background: linear-gradient(135deg, #FFFFFF 0%, #C5E0FF 30%, #B3D5FF 70%, #FFFFFF 100%);
    position: relative;
}

.knowledge-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 30% 50%, rgba(0, 217, 255, 0.15) 0%, transparent 50%);
    pointer-events: none;
}

.subsection-title {
    font-size: 36px;
    font-weight: 700;
    color: #FF2D55;
    margin-bottom: 40px;
    text-align: center;
    letter-spacing: -0.5px;
}

.knowledge-intro {
    max-width: 1000px;
    margin: 0 auto 80px;
}

.intro-card {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    border-radius: var(--border-radius);
    padding: 50px 40px;
    margin-bottom: 30px;
    box-shadow: 0 4px 20px rgba(0, 82, 217, 0.15);
    border: 1px solid rgba(0, 82, 217, 0.2);
    animation: fadeInUp 0.8s ease-out;
}

.card-title {
    font-size: 28px;
    font-weight: 600;
    color: #FF2D55;
    margin-bottom: 20px;
    letter-spacing: -0.5px;
}

.card-text {
    font-size: 18px;
    line-height: 1.8;
    color: var(--text-primary);
    margin-bottom: 20px;
}

/* 步骤说明 */
.steps {
    margin-top: 30px;
}

.step-item {
    display: flex;
    gap: 24px;
    margin-bottom: 40px;
    align-items: flex-start;
}

.step-item:last-child {
    margin-bottom: 0;
}

.step-number {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #00D9FF 0%, #7B2CBF 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 700;
    box-shadow: var(--shadow-glow);
}

.step-content {
    flex: 1;
}

.step-content h5 {
    font-size: 22px;
    font-weight: 600;
    color: #FF2D55;
    margin-bottom: 12px;
}

.step-content p {
    font-size: 16px;
    line-height: 1.7;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.step-list {
    list-style: none;
    padding-left: 0;
    margin-top: 12px;
}

.step-list li {
    font-size: 16px;
    line-height: 1.7;
    color: var(--text-primary);
    margin-bottom: 10px;
    padding-left: 24px;
    position: relative;
}

.step-list li::before {
    content: '•';
    position: absolute;
    left: 8px;
    color: var(--primary-color);
    font-size: 20px;
    text-shadow: 0 0 10px var(--primary-color);
}

/* 应用领域 */
.applications {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
    margin-top: 30px;
}

.app-item {
    background: linear-gradient(135deg, rgba(0, 217, 255, 0.1) 0%, rgba(123, 44, 191, 0.1) 100%);
    border-radius: var(--border-radius-small);
    padding: 30px 24px;
    text-align: center;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.app-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow);
    border-color: var(--primary-color);
}

.app-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.app-item h5 {
    font-size: 20px;
    font-weight: 600;
    color: #FF2D55;
    margin-bottom: 12px;
}

.app-item p {
    font-size: 15px;
    line-height: 1.6;
    color: var(--text-secondary);
}

/* 时间轴 */
.timeline-section {
    max-width: 1200px;
    margin: 0 auto 80px;
}

.timeline-container {
    position: relative;
    padding: 60px 0;
}

.timeline-line {
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(180deg, #00D9FF 0%, #7B2CBF 50%, #00FF88 100%);
    transform: translateX(-50%);
    border-radius: 2px;
    box-shadow: 0 0 20px rgba(0, 217, 255, 0.5);
}

.timeline-items {
    position: relative;
}

.timeline-item {
    position: relative;
    display: flex;
    align-items: center;
    margin-bottom: 60px;
    animation: fadeInUp 0.6s ease-out;
}

.timeline-item:nth-child(odd) {
    flex-direction: row;
}

.timeline-item:nth-child(even) {
    flex-direction: row-reverse;
}

.timeline-item.highlight .timeline-icon {
    background: linear-gradient(135deg, #00FF88 0%, #00D9FF 100%);
    box-shadow: 0 4px 30px rgba(0, 255, 136, 0.5);
}

.timeline-item.future .timeline-icon {
    background: linear-gradient(135deg, #00FF88 0%, #00D9FF 100%);
    box-shadow: 0 4px 30px rgba(0, 255, 136, 0.5);
}

.timeline-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #00D9FF 0%, #7B2CBF 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    box-shadow: var(--shadow-glow);
    border: 4px solid var(--background-color);
    position: relative;
    z-index: 2;
    flex-shrink: 0;
}

.timeline-content {
    flex: 1;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    border-radius: var(--border-radius);
    padding: 30px;
    margin: 0 30px;
    box-shadow: 0 4px 20px rgba(0, 82, 217, 0.15);
    border: 1px solid rgba(0, 82, 217, 0.2);
    max-width: 450px;
}

.timeline-item:nth-child(odd) .timeline-content {
    margin-left: 30px;
    margin-right: auto;
}

.timeline-item:nth-child(even) .timeline-content {
    margin-right: 30px;
    margin-left: auto;
}

.timeline-year {
    font-size: 20px;
    font-weight: 700;
    color: #FF2D55;
    margin-bottom: 12px;
    text-shadow: 0 0 10px rgba(255, 45, 85, 0.3);
}

.timeline-content p {
    font-size: 16px;
    line-height: 1.7;
    color: var(--text-primary);
}

/* FAQ问答 */
.faq-section {
    max-width: 900px;
    margin: 0 auto;
}

.faq-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.faq-item {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    border-radius: var(--border-radius);
    padding: 30px;
    box-shadow: 0 4px 20px rgba(0, 82, 217, 0.15);
    border: 1px solid rgba(0, 82, 217, 0.2);
    animation: fadeInUp 0.6s ease-out;
}

.faq-question {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
}

.faq-icon {
    font-size: 24px;
    flex-shrink: 0;
}

.faq-question h4 {
    font-size: 22px;
    font-weight: 600;
    color: #FF2D55;
    margin: 0;
}

.faq-answer {
    padding-left: 40px;
}

.faq-answer p {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.faq-list-nested {
    list-style: decimal;
    padding-left: 24px;
    margin: 16px 0;
}

.faq-list-nested li {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.faq-list-nested li strong {
    color: var(--primary-color);
    text-shadow: 0 0 8px rgba(0, 217, 255, 0.3);
}

/* 专注力提升站板块 */
.focus-section {
    padding: 100px 20px;
    background: linear-gradient(135deg, #FFFFFF 0%, #B3D5FF 25%, #A2CAFF 75%, #FFFFFF 100%);
    position: relative;
}

.focus-content {
    max-width: 1200px;
    margin: 0 auto 80px;
}

.content-subtitle {
    font-size: 28px;
    font-weight: 600;
    color: #FF2D55;
    margin-bottom: 30px;
    letter-spacing: -0.5px;
}

/* 核心脑区表格 */
.brain-regions {
    margin-bottom: 60px;
}

.brain-table-container {
    overflow-x: auto;
    margin-top: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
}

.brain-table {
    width: 100%;
    border-collapse: collapse;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    font-size: 15px;
    line-height: 1.7;
}

.brain-table thead {
    background: linear-gradient(135deg, rgba(0, 217, 255, 0.25) 0%, rgba(123, 44, 191, 0.25) 100%);
}

.brain-table th {
    padding: 20px 16px;
    text-align: left;
    font-weight: 600;
    color: var(--text-primary);
    border-bottom: 2px solid var(--border-color);
    font-size: 16px;
}

.brain-table td {
    padding: 20px 16px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
    vertical-align: top;
}

.brain-table tbody tr:hover {
    background: rgba(0, 217, 255, 0.05);
    transition: background 0.2s ease;
}

.brain-table tbody tr:last-child td {
    border-bottom: none;
}

.region-name {
    font-weight: 600;
    color: var(--primary-color);
    white-space: nowrap;
    text-shadow: 0 0 8px rgba(0, 217, 255, 0.3);
}

/* 工作流程 */
.workflow-section {
    margin-bottom: 60px;
}

.workflow-steps {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-top: 30px;
}

.workflow-step {
    display: flex;
    gap: 24px;
    align-items: flex-start;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    border-radius: var(--border-radius);
    padding: 30px;
    box-shadow: 0 4px 20px rgba(0, 82, 217, 0.15);
    border: 1px solid rgba(0, 82, 217, 0.2);
    transition: all 0.3s ease;
}

.workflow-step:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow-glow);
    border-color: var(--primary-color);
}

.workflow-number {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #00D9FF 0%, #7B2CBF 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 700;
    box-shadow: var(--shadow-glow);
}

.workflow-content {
    flex: 1;
}

.workflow-content h5 {
    font-size: 22px;
    font-weight: 600;
    color: #FF2D55;
    margin-bottom: 12px;
}

.workflow-content p {
    font-size: 16px;
    line-height: 1.7;
    color: var(--text-primary);
    margin: 0;
}

/* 脑机读懂专注力 */
.bci-reading-section {
    max-width: 1000px;
    margin: 0 auto 80px;
}

.bci-steps {
    display: flex;
    flex-direction: column;
    gap: 30px;
    margin-top: 40px;
}

.bci-step-card {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    border-radius: var(--border-radius);
    padding: 40px;
    box-shadow: 0 4px 20px rgba(0, 82, 217, 0.15);
    border: 1px solid rgba(0, 82, 217, 0.2);
    animation: fadeInUp 0.6s ease-out;
}

.bci-step-header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 24px;
    padding-bottom: 20px;
    border-bottom: 2px solid rgba(102, 126, 234, 0.1);
}

.bci-step-number {
    flex-shrink: 0;
    background: linear-gradient(135deg, #00D9FF 0%, #7B2CBF 100%);
    color: white;
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 16px;
    font-weight: 600;
    box-shadow: var(--shadow-glow);
}

.bci-step-header h4 {
    font-size: 24px;
    font-weight: 600;
    color: #FF2D55;
    margin: 0;
    letter-spacing: -0.5px;
}

.bci-step-body {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-primary);
}

.bci-step-body > p {
    margin-bottom: 24px;
}

.bci-details {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-top: 24px;
}

.detail-item {
    background: linear-gradient(135deg, rgba(0, 217, 255, 0.1) 0%, rgba(123, 44, 191, 0.1) 100%);
    border-radius: var(--border-radius-small);
    padding: 24px;
    border: 1px solid var(--border-color);
}

.detail-item h5 {
    font-size: 18px;
    font-weight: 600;
    color: #FF2D55;
    margin-bottom: 12px;
}

.detail-item p {
    font-size: 15px;
    line-height: 1.7;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.detail-item p:last-child {
    margin-bottom: 0;
}

.wave-list {
    list-style: none;
    padding-left: 0;
    margin-top: 12px;
}

.wave-list li {
    font-size: 15px;
    line-height: 1.7;
    color: var(--text-primary);
    margin-bottom: 12px;
    padding-left: 24px;
    position: relative;
}

.wave-list li::before {
    content: '•';
    position: absolute;
    left: 8px;
    color: var(--primary-color);
    font-size: 20px;
}

.wave-list li strong {
    color: var(--primary-color);
    text-shadow: 0 0 8px rgba(0, 217, 255, 0.3);
}

/* 应用案例 */
.cases-section {
    max-width: 1000px;
    margin: 0 auto;
}

.cases-placeholder {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    border-radius: var(--border-radius);
    padding: 60px 40px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 82, 217, 0.15);
    border: 2px dashed rgba(0, 82, 217, 0.3);
}

.cases-placeholder p {
    font-size: 18px;
    color: var(--text-secondary);
    margin: 0;
}

/* 实验流程样式 */
.experiment-flow {
    margin-top: 30px;
}

.flow-step {
    display: flex;
    gap: 24px;
    align-items: flex-start;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    border-radius: var(--border-radius);
    padding: 30px;
    margin-bottom: 24px;
    box-shadow: 0 4px 20px rgba(0, 82, 217, 0.15);
    border: 1px solid rgba(0, 82, 217, 0.2);
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.6s ease-out forwards;
}

.flow-step:nth-child(1) {
    animation-delay: 0.1s;
}

.flow-step:nth-child(2) {
    animation-delay: 0.2s;
}

.flow-step:nth-child(3) {
    animation-delay: 0.3s;
}

.flow-step:nth-child(4) {
    animation-delay: 0.4s;
}

.flow-step:hover {
    transform: translateX(8px) translateY(0);
    box-shadow: var(--shadow-glow);
    border-color: var(--primary-color);
}

.flow-step-number {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #00D9FF 0%, #7B2CBF 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 700;
    box-shadow: 0 4px 15px rgba(0, 217, 255, 0.4);
}

.flow-step-content {
    flex: 1;
}

.flow-step-content h5 {
    font-size: 22px;
    font-weight: 600;
    color: #FF2D55;
    margin-bottom: 12px;
}

.flow-step-content p {
    font-size: 16px;
    line-height: 1.7;
    color: var(--text-primary);
    margin: 0;
}

/* 带图片的流程步骤 */
.flow-step-with-image {
    align-items: stretch;
}

.flow-step-content-wrapper {
    flex: 1;
    display: flex;
    gap: 24px;
    align-items: flex-start;
}

.flow-step-image {
    flex-shrink: 0;
    width: 300px;
    border-radius: var(--border-radius-small);
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 82, 217, 0.2);
    border: 1px solid rgba(0, 82, 217, 0.2);
}

.flow-step-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.3s ease;
}

.flow-step:hover .flow-step-image img {
    transform: scale(1.05);
}

.flow-step-with-image .flow-step-content {
    flex: 1;
}

/* 核心价值部分 */
.core-value-section {
    margin-top: 60px;
    padding-top: 40px;
    border-top: 2px solid rgba(0, 82, 217, 0.2);
}

.value-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-top: 30px;
    margin-bottom: 40px;
}

.value-item {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    border-radius: var(--border-radius);
    padding: 30px;
    box-shadow: 0 4px 20px rgba(0, 82, 217, 0.15);
    border: 1px solid rgba(0, 82, 217, 0.2);
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.6s ease-out forwards;
}

.value-item:nth-child(1) {
    animation-delay: 0.1s;
}

.value-item:nth-child(2) {
    animation-delay: 0.2s;
}

.value-item:nth-child(3) {
    animation-delay: 0.3s;
}

.value-item:nth-child(4) {
    animation-delay: 0.4s;
}

.value-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-medium);
    border-color: var(--primary-color);
}

.value-icon {
    font-size: 48px;
    margin-bottom: 16px;
    display: block;
}

.value-title {
    font-size: 20px;
    font-weight: 600;
    color: #FF2D55;
    margin-bottom: 12px;
    line-height: 1.3;
}

.value-text {
    font-size: 16px;
    line-height: 1.7;
    color: var(--text-primary);
    margin: 0;
}

.value-image-container {
    margin-top: 40px;
    text-align: center;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s ease-out forwards;
    animation-delay: 0.5s;
}

.value-image {
    max-width: 100%;
    height: auto;
    border-radius: var(--border-radius);
    box-shadow: 0 8px 30px rgba(0, 82, 217, 0.2);
    border: 1px solid rgba(0, 82, 217, 0.2);
    transition: transform 0.3s ease;
}

.value-image:hover {
    transform: scale(1.02);
}

/* 专注力特训营板块 */
.training-content {
    max-width: 1000px;
    margin: 0 auto;
}

.training-intro {
    margin-bottom: 60px;
}

.training-image-container {
    margin-top: 30px;
    text-align: center;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s ease-out forwards;
    animation-delay: 0.3s;
}

.training-image {
    max-width: 100%;
    height: auto;
    border-radius: var(--border-radius);
    box-shadow: 0 8px 30px rgba(0, 82, 217, 0.2);
    border: 1px solid rgba(0, 82, 217, 0.2);
    transition: transform 0.3s ease;
}

.training-image:hover {
    transform: scale(1.02);
}

.training-methods {
    margin-bottom: 60px;
}

.training-list {
    margin-top: 20px;
    padding-left: 24px;
    list-style: none;
}

.training-list li {
    position: relative;
    padding-left: 24px;
    margin-bottom: 16px;
    font-size: 16px;
    line-height: 1.7;
    color: var(--text-primary);
}

.training-list li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: #FF2D55;
    font-size: 24px;
    font-weight: bold;
}

.learning-integration {
    margin-top: 60px;
    padding-top: 40px;
    border-top: 2px solid rgba(0, 82, 217, 0.2);
}

.method-card {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    border-radius: var(--border-radius);
    padding: 30px;
    margin-bottom: 30px;
    box-shadow: 0 4px 20px rgba(0, 82, 217, 0.15);
    border: 1px solid rgba(0, 82, 217, 0.2);
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.6s ease-out forwards;
}

.method-card:nth-child(1) {
    animation-delay: 0.1s;
}

.method-card:nth-child(2) {
    animation-delay: 0.2s;
}

.method-card:nth-child(3) {
    animation-delay: 0.3s;
}

.method-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-medium);
    border-color: var(--primary-color);
}

.method-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
    flex-wrap: nowrap;
    width: 100%;
}

.method-number {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    min-width: 50px;
    min-height: 50px;
    background: linear-gradient(135deg, #00D9FF 0%, #7B2CBF 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: 700;
    box-shadow: 0 4px 15px rgba(0, 217, 255, 0.4);
    line-height: 1.1;
    padding: 2px;
    box-sizing: border-box;
    text-align: center;
    position: relative;
}

.method-number::before {
    content: '方法';
    font-size: 9px;
    line-height: 1;
    margin-bottom: 1px;
    display: block;
    white-space: nowrap;
}

.method-number::after {
    content: attr(data-number);
    font-size: 16px;
    line-height: 1;
    font-weight: 700;
    display: block;
    white-space: nowrap;
}

.method-title {
    font-size: 24px;
    font-weight: 600;
    color: #FF2D55;
    margin: 0;
    word-wrap: break-word;
    word-break: break-word;
    overflow-wrap: break-word;
    line-height: 1.4;
}

.method-content {
    padding-left: 66px;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.method-text {
    font-size: 16px;
    line-height: 1.7;
    color: var(--text-primary);
    margin: 0 0 20px 0;
    word-wrap: break-word;
    word-break: break-word;
    overflow-wrap: break-word;
}

.method-image-container {
    margin: 24px 0;
    text-align: center;
}

.method-image {
    max-width: 100%;
    height: auto;
    border-radius: var(--border-radius-small);
    box-shadow: 0 4px 15px rgba(0, 82, 217, 0.2);
    border: 1px solid rgba(0, 82, 217, 0.2);
    transition: transform 0.3s ease;
}

.method-image:hover {
    transform: scale(1.02);
}

.rest-activities {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-top: 24px;
}

.rest-activity {
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius-small);
    padding: 24px;
    border: 1px solid rgba(0, 82, 217, 0.15);
}

.rest-title {
    font-size: 20px;
    font-weight: 600;
    color: #FF2D55;
    margin-bottom: 12px;
    word-wrap: break-word;
    word-break: break-word;
    overflow-wrap: break-word;
}

.rest-text {
    font-size: 15px;
    line-height: 1.7;
    color: var(--text-primary);
    margin: 0;
    word-wrap: break-word;
    word-break: break-word;
    overflow-wrap: break-word;
}

/* 加入我们板块 */
.join-section {
    padding: 100px 20px;
    background: linear-gradient(135deg, #FFFFFF 0%, #A2CAFF 20%, #91BFFF 80%, #FFFFFF 100%);
    position: relative;
}

.join-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 50% 50%, rgba(0, 217, 255, 0.15) 0%, transparent 70%);
    pointer-events: none;
}

.join-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.join-intro {
    margin-bottom: 40px;
}

.join-text {
    font-size: 20px;
    line-height: 1.8;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.join-button {
    background: linear-gradient(135deg, #00D9FF 0%, #7B2CBF 100%);
    color: white;
    border: none;
    padding: 18px 48px;
    font-size: 18px;
    font-weight: 600;
    border-radius: 30px;
    cursor: pointer;
    box-shadow: var(--shadow-glow);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    letter-spacing: 0.5px;
    border: 1px solid var(--border-color);
}

.join-button:hover {
    transform: translateY(-4px);
    box-shadow: 0 6px 40px rgba(0, 217, 255, 0.6);
    background: linear-gradient(135deg, #00FF88 0%, #00D9FF 100%);
}

.join-button:active {
    transform: translateY(-2px);
}

/* 模态对话框 */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(8px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.modal-overlay.active {
    display: flex;
    opacity: 1;
}

.modal-container {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(30px);
    border-radius: var(--border-radius);
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0, 82, 217, 0.3);
    border: 1px solid rgba(0, 82, 217, 0.2);
    transform: scale(0.9);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.modal-overlay.active .modal-container {
    transform: scale(1);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 30px 30px 20px;
    border-bottom: 1px solid var(--border-color);
}

.modal-title {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
    letter-spacing: -0.5px;
}

.modal-close {
    background: none;
    border: none;
    font-size: 32px;
    color: var(--text-secondary);
    cursor: pointer;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.2s ease;
    line-height: 1;
    padding: 0;
}

.modal-close:hover {
    background: rgba(0, 0, 0, 0.05);
    color: var(--text-primary);
}

.modal-body {
    padding: 30px;
}

/* 表单样式 */
.join-form {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px 18px;
    font-size: 16px;
    font-family: inherit;
    border: 1px solid rgba(0, 82, 217, 0.3);
    border-radius: var(--border-radius-small);
    background: rgba(255, 255, 255, 0.95);
    color: var(--text-primary);
    transition: all 0.3s ease;
    outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(0, 217, 255, 0.2), 0 0 20px rgba(0, 217, 255, 0.3);
    background: rgba(255, 255, 255, 1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-secondary);
    opacity: 0.6;
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
    line-height: 1.6;
}

.form-actions {
    display: flex;
    gap: 16px;
    justify-content: flex-end;
    margin-top: 8px;
}

.btn-cancel,
.btn-submit {
    padding: 12px 32px;
    font-size: 16px;
    font-weight: 600;
    border: none;
    border-radius: var(--border-radius-small);
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-cancel {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-cancel:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--text-secondary);
}

.btn-submit {
    background: linear-gradient(135deg, #00D9FF 0%, #7B2CBF 100%);
    color: white;
    box-shadow: var(--shadow-glow);
    border: 1px solid var(--border-color);
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow), 0 0 30px rgba(0, 217, 255, 0.5);
    background: linear-gradient(135deg, #00FF88 0%, #00D9FF 100%);
}

.btn-submit:active {
    transform: translateY(0);
}

/* 新闻链接板块 */
.news-section {
    padding: 100px 20px;
    background: linear-gradient(135deg, #FFFFFF 0%, #91BFFF 15%, #80B4FF 85%, #FFFFFF 100%);
}

.news-content {
    max-width: 900px;
    margin: 0 auto 80px;
}

/* 新闻文章列表 */
.news-articles {
    max-width: 1000px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 60px;
}

.news-article {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    border-radius: var(--border-radius);
    padding: 40px;
    box-shadow: 0 4px 20px rgba(0, 82, 217, 0.15);
    border: 1px solid rgba(0, 82, 217, 0.2);
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.8s ease-out forwards;
}

.news-article:nth-child(1) {
    animation-delay: 0.1s;
}

.news-article:nth-child(2) {
    animation-delay: 0.2s;
}

.news-article:nth-child(3) {
    animation-delay: 0.3s;
}

.article-title {
    font-size: 28px;
    font-weight: 600;
    color: #FF2D55;
    margin-bottom: 30px;
    line-height: 1.4;
    letter-spacing: -0.5px;
}

.article-content {
    color: var(--text-primary);
}

.article-text {
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 20px;
    text-align: justify;
}

.article-quote {
    font-size: 17px;
    line-height: 1.8;
    margin: 24px 0;
    padding: 24px 30px;
    background: rgba(0, 82, 217, 0.08);
    border-left: 4px solid #FF2D55;
    border-radius: var(--border-radius-small);
    font-style: italic;
    color: var(--text-primary);
}

.article-images {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin: 30px 0;
}

.article-image-wrapper {
    border-radius: var(--border-radius-small);
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 82, 217, 0.2);
    border: 1px solid rgba(0, 82, 217, 0.2);
    transition: transform 0.3s ease;
}

.article-image-wrapper:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(0, 82, 217, 0.3);
}

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

/* 确保2x2布局的图片尺寸一致 */
.article-images[style*="grid-template-columns: repeat(2"] .article-image-wrapper {
    aspect-ratio: 4 / 3;
    overflow: hidden;
}

.article-images[style*="grid-template-columns: repeat(2"] .article-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

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

/* 视频容器样式 */
.video-container {
    max-width: 1000px;
    margin: 40px auto;
    text-align: center;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s ease-out forwards;
    animation-delay: 0.2s;
}

.section-video {
    width: 100%;
    max-width: 900px;
    height: auto;
    border-radius: var(--border-radius);
    box-shadow: 0 8px 30px rgba(0, 82, 217, 0.25);
    border: 1px solid rgba(0, 82, 217, 0.2);
    background: #000;
    display: block;
    margin: 0 auto;
}

.section-video:focus {
    outline: 3px solid var(--primary-color);
    outline-offset: 4px;
}

.news-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.news-card {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    border-radius: var(--border-radius);
    padding: 24px 30px;
    display: flex;
    align-items: center;
    gap: 20px;
    text-decoration: none;
    color: var(--text-primary);
    box-shadow: 0 4px 20px rgba(0, 82, 217, 0.15);
    border: 1px solid rgba(0, 82, 217, 0.2);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    animation: fadeInUp 0.6s ease-out;
}

.news-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-medium);
    border-color: var(--border-color);
}

.news-icon {
    font-size: 40px;
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(0, 217, 255, 0.15) 0%, rgba(123, 44, 191, 0.15) 100%);
    border-radius: var(--border-radius-small);
    border: 1px solid var(--border-color);
}

.news-info {
    flex: 1;
    min-width: 0;
}

.news-title {
    font-size: 20px;
    font-weight: 600;
    color: #FF2D55;
    margin-bottom: 8px;
    letter-spacing: -0.3px;
}

.news-source {
    font-size: 14px;
    color: var(--text-secondary);
    margin: 0;
}

.news-arrow {
    font-size: 24px;
    color: var(--text-secondary);
    flex-shrink: 0;
    transition: all 0.3s ease;
}

.news-card:hover .news-arrow {
    transform: translateX(4px);
    color: var(--primary-color);
}

/* 网课教程区域 */
.tutorial-section {
    max-width: 900px;
    margin: 0 auto;
}

.tutorial-placeholder {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    border-radius: var(--border-radius);
    padding: 60px 40px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 82, 217, 0.15);
    border: 2px dashed rgba(0, 82, 217, 0.3);
}

.tutorial-placeholder p {
    font-size: 18px;
    color: var(--text-secondary);
    margin: 0;
}

/* 响应式设计 */
@media (max-width: 968px) {
    .banner-content {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }

    .banner-visual {
        flex-direction: column;
    }

    .main-title {
        font-size: 48px;
    }

    .subtitle {
        font-size: 20px;
    }

    .section-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }

    .team-name h3 {
        font-size: 42px;
    }

    .team-description {
        padding: 40px 30px;
    }

    .description-text {
        font-size: 16px;
    }

    .founders {
        padding: 40px 30px;
    }

    .timeline-line {
        left: 30px;
    }

    .timeline-item {
        flex-direction: row !important;
        padding-left: 60px;
    }

    .timeline-item:nth-child(odd) .timeline-content,
    .timeline-item:nth-child(even) .timeline-content {
        margin-left: 0;
        margin-right: 0;
        max-width: 100%;
    }

    .timeline-icon {
        position: absolute;
        left: 0;
    }

    .applications {
        grid-template-columns: 1fr;
    }

    .brain-table {
        font-size: 14px;
    }

    .brain-table th,
    .brain-table td {
        padding: 16px 12px;
    }

    .workflow-step {
        padding: 24px 20px;
    }

    .bci-step-card {
        padding: 30px 24px;
    }

    .bci-step-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }

    .bci-step-header h4 {
        font-size: 22px;
    }

    .method-content {
        padding-left: 0;
    }

    .rest-activities {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .news-article {
        padding: 30px 24px;
    }

    .article-title {
        font-size: 24px;
    }

    .article-images {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .video-container {
        margin: 30px auto;
    }

    .section-video {
        max-width: 100%;
    }
}

@media (max-width: 640px) {
    .main-title {
        font-size: 36px;
    }

    .subtitle {
        font-size: 18px;
    }

    .eeg-animation {
        width: 250px;
        height: 150px;
    }

    .logo-container {
        width: 250px;
        height: 250px;
    }

    .section-title {
        font-size: 32px;
    }

    .section-grid {
        grid-template-columns: 1fr;
    }

    .team-name h3 {
        font-size: 36px;
    }

    .name-subtitle {
        font-size: 16px;
    }

    .team-description {
        padding: 30px 20px;
    }

    .description-text {
        font-size: 15px;
        line-height: 1.7;
    }

    .founders {
        padding: 30px 20px;
    }

    .founders-title {
        font-size: 24px;
    }

    .founder-item {
        padding: 14px 24px;
        font-size: 16px;
        min-width: 100px;
    }

    .founders-list {
        gap: 12px;
    }

    .subsection-title {
        font-size: 28px;
    }

    .intro-card {
        padding: 30px 20px;
    }

    .card-title {
        font-size: 24px;
    }

    .card-text {
        font-size: 16px;
    }

    .step-item {
        flex-direction: column;
        gap: 16px;
    }

    .step-number {
        width: 40px;
        height: 40px;
        font-size: 20px;
    }

    .step-content h5 {
        font-size: 20px;
    }

    .timeline-line {
        left: 20px;
    }

    .timeline-item {
        padding-left: 50px;
    }

    .timeline-icon {
        width: 50px;
        height: 50px;
        font-size: 24px;
    }

    .timeline-content {
        padding: 20px;
    }

    .timeline-year {
        font-size: 18px;
    }

    .timeline-content p {
        font-size: 15px;
    }

    .faq-item {
        padding: 24px 20px;
    }

    .faq-question h4 {
        font-size: 20px;
    }

    .faq-answer {
        padding-left: 0;
    }

    .faq-answer p,
    .faq-list-nested li {
        font-size: 15px;
    }

    .content-subtitle {
        font-size: 24px;
    }

    .brain-table {
        font-size: 13px;
    }

    .brain-table th,
    .brain-table td {
        padding: 12px 8px;
    }

    .region-name {
        font-size: 14px;
    }

    .workflow-step {
        flex-direction: column;
        gap: 16px;
        padding: 20px;
    }

    .workflow-number {
        width: 40px;
        height: 40px;
        font-size: 20px;
    }

    .workflow-content h5 {
        font-size: 20px;
    }

    .workflow-content p {
        font-size: 15px;
    }

    .bci-step-card {
        padding: 24px 20px;
    }

    .bci-step-header h4 {
        font-size: 20px;
    }

    .bci-step-body {
        font-size: 15px;
    }

    .detail-item {
        padding: 20px;
    }

    .detail-item h5 {
        font-size: 16px;
    }

    .detail-item p,
    .wave-list li {
        font-size: 14px;
    }

    .cases-placeholder {
        padding: 40px 24px;
    }

    .flow-step {
        flex-direction: column;
        gap: 16px;
        padding: 20px;
    }

    .flow-step-number {
        width: 40px;
        height: 40px;
        font-size: 20px;
    }

    .flow-step-content h5 {
        font-size: 20px;
    }

    .flow-step-content p {
        font-size: 15px;
    }

    .flow-step-content-wrapper {
        flex-direction: column;
        gap: 16px;
    }

    .flow-step-image {
        width: 100%;
    }

    .flow-step-number {
        width: 45px;
        height: 45px;
        font-size: 22px;
    }

    .flow-step-content h5 {
        font-size: 21px;
    }

    .flow-step-content p {
        font-size: 15px;
    }

    .flow-step-content-wrapper {
        flex-direction: column;
        gap: 20px;
    }

    .flow-step-image {
        width: 100%;
        max-width: 400px;
        margin: 0 auto;
    }

    .value-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .value-item {
        padding: 24px 20px;
    }

    .value-icon {
        font-size: 40px;
    }

    .value-title {
        font-size: 18px;
    }

    .value-text {
        font-size: 15px;
    }

    .value-image-container {
        margin-top: 30px;
    }

    .value-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .value-item {
        padding: 20px;
    }

    .value-icon {
        font-size: 36px;
        margin-bottom: 12px;
    }

    .value-title {
        font-size: 18px;
    }

    .value-text {
        font-size: 14px;
    }

    .method-card {
        padding: 24px 20px;
    }

    .method-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
        flex-wrap: wrap;
    }

    .method-content {
        padding-left: 0;
        width: 100%;
    }

    .method-title {
        font-size: 22px;
        word-wrap: break-word;
        word-break: break-word;
        overflow-wrap: break-word;
        line-height: 1.4;
    }

    .method-text {
        font-size: 15px;
    }

    .rest-activities {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .rest-activity {
        padding: 20px;
    }

    .rest-title {
        font-size: 18px;
    }

    .rest-text {
        font-size: 14px;
    }

    .join-text {
        font-size: 18px;
    }

    .join-button {
        padding: 16px 40px;
        font-size: 16px;
    }

    .modal-container {
        width: 95%;
        max-height: 95vh;
    }

    .modal-header {
        padding: 24px 20px 16px;
    }

    .modal-title {
        font-size: 20px;
    }

    .modal-close {
        font-size: 28px;
        width: 36px;
        height: 36px;
    }

    .modal-body {
        padding: 24px 20px;
    }

    .form-group label {
        font-size: 15px;
    }

    .form-group input,
    .form-group textarea {
        padding: 12px 16px;
        font-size: 15px;
    }

    .form-actions {
        flex-direction: column;
    }

    .btn-cancel,
    .btn-submit {
        width: 100%;
        padding: 14px 24px;
    }

    .news-card {
        padding: 20px;
        gap: 16px;
    }

    .news-icon {
        width: 50px;
        height: 50px;
        font-size: 32px;
    }

    .news-title {
        font-size: 18px;
    }

    .news-source {
        font-size: 13px;
    }

    .news-arrow {
        font-size: 20px;
    }

    .tutorial-placeholder {
        padding: 40px 24px;
    }

    .news-article {
        padding: 24px 20px;
    }

    .article-title {
        font-size: 22px;
    }

    .article-text {
        font-size: 15px;
    }

    .article-quote {
        font-size: 16px;
        padding: 20px;
    }

    .article-images {
        grid-template-columns: 1fr;
        gap: 16px;
        margin: 24px 0;
    }

    .video-container {
        margin: 24px auto;
    }

    .section-video {
        max-width: 100%;
    }
}