:root {
    --primary: #1a1a2e;
    --primary-light: #16213e;
    --accent: #d4a373;
    --accent-dark: #b8834f;
    --text-dark: #1a1a2e;
    --text-gray: #666;
    --bg-light: #f8f9fa;
}

.o-home-hero {
    width: 100%;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    padding: 70px 0;
    position: relative;
}

.o-home-hero-content {
    display: flex;
    align-items: center;
    gap: 50px;
}

.o-home-hero-text {
    flex: 1;
    color: #fff;
}

.o-home-hero-badge {
    display: inline-block;
    background: rgba(212, 163, 115, 0.2);
    border: 1px solid var(--accent);
    padding: 6px 16px;
    border-radius: 30px;
    font-size: 13px;
    margin-bottom: 20px;
}

.o-home-hero-text h1 {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 20px;
    letter-spacing: -1px;
    line-height: 1.3;
}

.o-home-hero-text p {
    font-size: 18px;
    opacity: 0.85;
    margin-bottom: 30px;
    line-height: 1.6;
}

.o-home-hero-buttons {
    display: flex;
    gap: 16px;
}

.o-home-hero-btn {
    padding: 12px 32px;
    border-radius: 40px;
    font-size: 16px;
    font-weight: 600;
    transition: all 0.3s;
    display: inline-block;
}

.o-home-hero-btn.primary {
    background: var(--accent);
    color: #fff;
}

.o-home-hero-btn.primary:hover {
    background: var(--accent-dark);
    transform: translateY(-2px);
}

.o-home-hero-btn.secondary {
    background: transparent;
    color: #fff;
    border: 1px solid rgba(255,255,255,0.3);
}

.o-home-hero-btn.secondary:hover {
    background: rgba(255,255,255,0.1);
    transform: translateY(-2px);
}

.o-home-hero-image {
    flex: 1;
    text-align: center;
}

.o-home-hero-image img {
    max-width: 100%;
    border-radius: 30px;
    box-shadow: 0 30px 50px rgba(0,0,0,0.3);
}

.o-home-hero-stats {
    display: flex;
    gap: 40px;
    margin-top: 50px;
    justify-content: center;
}

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

.o-home-stat-number {
    font-size: 36px;
    font-weight: 800;
    color: var(--accent);
}

.o-home-stat-label {
    font-size: 14px;
    color: rgba(255,255,255,0.7);
}

.o-home-section {
    padding: 70px 0;
}

.o-home-section-header {
    text-align: center;
    margin-bottom: 50px;
}

.o-home-section-header h2 {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.o-home-section-header p {
    font-size: 16px;
    color: var(--text-gray);
    max-width: 600px;
    margin: 0 auto;
}

.o-home-more {
    text-align: center;
    margin-top: 30px;
}

.o-home-more a {
    display: inline-block;
    padding: 10px 28px;
    border: 1px solid #ddd;
    border-radius: 40px;
    font-size: 14px;
    color: var(--text-gray);
    transition: all 0.3s;
}

.o-home-more a:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.o-feature-grid {
    display: flex;
    gap: 30px;
    flex-wrap: wrap;
}

.o-feature-card {
    flex: 1;
    text-align: center;
    padding: 40px 24px;
    background: #fff;
    border-radius: 24px;
    transition: all 0.3s;
    box-shadow: 0 4px 20px rgba(0,0,0,0.04);
}

.o-feature-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

.o-feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    background: var(--bg-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 40px;
}

.o-feature-card h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
}

.o-feature-card p {
    font-size: 14px;
    color: var(--text-gray);
    line-height: 1.6;
}

.o-scene-grid {
    display: flex;
    flex-wrap: wrap;
    margin: 0 -15px;
}

.o-scene-col {
    width: 33.333%;
    padding: 0 15px;
    margin-bottom: 30px;
}

.o-scene-card {
    background: #fff;
    border-radius: 20px;
    overflow: hidden;
    transition: all 0.3s;
    box-shadow: 0 4px 16px rgba(0,0,0,0.05);
}

.o-scene-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

.o-scene-img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
}

.o-scene-info {
    padding: 20px;
}

.o-scene-title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
}

.o-scene-desc {
    font-size: 14px;
    color: var(--text-gray);
    line-height: 1.5;
}

.o-case-grid {
    display: flex;
    flex-wrap: wrap;
    margin: 0 -20px;
}

.o-case-col {
    width: 50%;
    padding: 0 20px;
    margin-bottom: 40px;
}

.o-case-card {
    background: #fff;
    border-radius: 24px;
    overflow: hidden;
    transition: all 0.4s;
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
    cursor: pointer;
    height: 100%;
}

.o-case-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 24px 48px rgba(0,0,0,0.12);
}

.o-case-img {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
}

.o-case-info {
    padding: 22px;
}

.o-case-tag {
    display: inline-block;
    padding: 4px 12px;
    background: #f0f0f0;
    border-radius: 20px;
    font-size: 12px;
    color: var(--accent-dark);
    margin-bottom: 12px;
}

.o-case-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-dark);
    line-height: 1.4;
    margin-bottom: 10px;
}

.o-case-desc {
    font-size: 14px;
    color: var(--text-gray);
    line-height: 1.6;
    margin-bottom: 14px;
}

.o-case-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 10px;
    border-top: 1px solid #eee;
}

.o-case-school {
    font-size: 13px;
    color: #999;
}

.o-case-date {
    font-size: 12px;
    color: #bbb;
}

.o-workshop-grid {
    display: flex;
    flex-wrap: wrap;
    margin: 0 -16px;
}

.o-workshop-col {
    width: 33.333%;
    padding: 0 16px;
    margin-bottom: 32px;
}

.o-workshop-card {
    background: linear-gradient(135deg, #fff 0%, #f8faff 100%);
    border-radius: 20px;
    overflow: hidden;
    transition: all 0.3s;
    box-shadow: 0 4px 12px rgba(0,0,0,0.04);
    border: 1px solid rgba(26,115,232,0.08);
    cursor: pointer;
}

.o-workshop-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 32px rgba(26,115,232,0.1);
}

.o-workshop-img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
}

.o-workshop-info {
    padding: 16px;
}

.o-workshop-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 8px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.o-workshop-desc {
    font-size: 13px;
    color: #666;
    line-height: 1.45;
    margin-bottom: 10px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.o-workshop-user {
    display: flex;
    align-items: center;
    gap: 8px;
}

.o-workshop-avatar {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    object-fit: cover;
}

.o-workshop-nickname {
    font-size: 12px;
    color: #999;
}

.o-demo-section {
    background: var(--bg-light);
}

.o-demo-wrapper {
    display: flex;
    align-items: center;
    gap: 50px;
}

.o-demo-info {
    flex: 1;
}

.o-demo-info h2 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 16px;
}

.o-demo-info p {
    font-size: 16px;
    color: var(--text-gray);
    line-height: 1.6;
    margin-bottom: 24px;
}

.o-demo-btn {
    padding: 12px 32px;
    background: var(--accent);
    color: #fff;
    border-radius: 40px;
    font-size: 16px;
    font-weight: 600;
    display: inline-block;
}

.o-demo-btn:hover {
    background: var(--accent-dark);
}

.o-demo-card {
    flex: 1;
    background: #fff;
    border-radius: 24px;
    padding: 24px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.08);
}

.o-demo-question {
    background: var(--bg-light);
    padding: 14px 18px;
    border-radius: 20px;
    margin-bottom: 20px;
    font-size: 15px;
    color: var(--text-dark);
}

.o-demo-answer {
    background: linear-gradient(135deg, #1a1a2e, #16213e);
    padding: 18px 20px;
    border-radius: 20px;
    color: #fff;
    font-size: 15px;
    line-height: 1.6;
}

.o-home-activity-list {
    max-width: 900px;
    margin: 0 auto;
}

.o-home-activity-col {
    margin-bottom: 24px;
}

.o-home-activity-card {
    display: flex;
    background: #fff;
    overflow: hidden;
    transition: all 0.3s;
    box-shadow: 0 2px 12px rgba(0,0,0,0.04);
    cursor: pointer;
    text-decoration: none;
    border-radius: 16px;
}

.o-home-activity-card:hover {
    transform: translateX(4px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.08);
}

.o-home-activity-img {
    width: 200px;
    height: 130px;
    object-fit: cover;
    flex-shrink: 0;
}

.o-home-activity-info {
    padding: 16px 20px;
    flex: 1;
}

.o-home-activity-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.o-home-activity-desc {
    font-size: 14px;
    color: #666;
    line-height: 1.5;
    margin-bottom: 12px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.o-home-activity-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.o-home-activity-date {
    font-size: 13px;
    color: #999;
}

.o-home-activity-status {
    padding: 4px 14px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.o-home-activity-status.hot {
    background: #fee2e2;
    color: #e74c3c;
}

.o-home-activity-status.soon {
    background: #e0f2fe;
    color: #3498db;
}

.o-home-cta {
    background: linear-gradient(135deg, #1a1a2e, #16213e);
    padding: 60px 0;
    text-align: center;
    color: #fff;
}

.o-home-cta h2 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 16px;
}

.o-home-cta p {
    font-size: 16px;
    opacity: 0.85;
    margin-bottom: 30px;
}

.o-home-cta-btn {
    display: inline-block;
    padding: 14px 42px;
    background: var(--accent);
    color: #fff;
    border-radius: 40px;
    font-size: 16px;
    font-weight: 600;
    transition: all 0.3s;
}

.o-home-cta-btn:hover {
    background: var(--accent-dark);
    transform: translateY(-2px);
}