/* SCL90专用首页样式 - 小红书风格 */

/* Logo样式优化 */
.logo {
    display: flex;
    align-items: center;
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
}

.logo svg {
    color: var(--secondary-color);
}

/* About SCL90 Section */
.about-scl90 {
    padding: 80px 0;
    background: var(--bg-primary);
}

.scl90-intro {
    max-width: 1000px;
    margin: 0 auto;
}

.intro-content {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    margin-bottom: 4rem;
    background: white;
    padding: 3rem;
    border-radius: 24px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
}

.intro-body {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 4rem;
    align-items: center;
}

.intro-text {
    flex: 1;
}

.intro-subtitle {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
}

.intro-text p {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.intro-visual {
    display: flex;
    align-items: center;
    justify-content: center;
}

.circle-chart {
    animation: rotateIn 1s ease-out;
}

.circle-chart circle:nth-child(1) {
    stroke: var(--accent-light);
}

.circle-chart circle:nth-child(2) {
    stroke: var(--primary-color);
}

.circle-chart text:nth-child(3) {
    fill: var(--primary-dark);
}

.circle-chart text:nth-child(4) {
    fill: var(--text-secondary);
}

/* Dimensions Section */
.dimensions-section {
    background: white;
    padding: 3rem;
    border-radius: 24px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
}

.dimensions-title {
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--text-primary);
    text-align: center;
    margin-bottom: 2.5rem;
}

.dimensions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1.5rem;
}

.dimension-item {
    background: var(--bg-primary);
    padding: 1.5rem;
    border-radius: 16px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.dimension-item:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-md);
    background: white;
}

.dimension-icon {
    font-size: 2.5rem;
    margin-bottom: 0.75rem;
    display: block;
}

.dimension-name {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.dimension-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Hero Banner - 小红书风格 */
.hero-banner {
    background: linear-gradient(135deg, #FFFBF5 0%, #FFF0F5 100%);
    color: var(--text-primary);
    padding: 100px 0 120px;
    position: relative;
    overflow: hidden;
}

.hero-banner::before {
    content: '';
    position: absolute;
    top: -100px;
    right: -100px;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255, 154, 158, 0.2) 0%, rgba(255, 255, 255, 0) 70%);
    border-radius: 50%;
    z-index: 0;
}

.hero-banner::after {
    content: '';
    position: absolute;
    bottom: -50px;
    left: -50px;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(224, 195, 252, 0.2) 0%, rgba(255, 255, 255, 0) 70%);
    border-radius: 50%;
    z-index: 0;
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: white;
    padding: 0.5rem 1.25rem;
    border-radius: 50px;
    font-size: 0.9rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow-sm);
    color: var(--primary-dark);
    animation: fadeInDown 0.6s ease-out;
}

.badge-icon {
    width: 20px;
    height: 20px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: bold;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    line-height: 1.2;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    animation: fadeInUp 0.6s ease-out 0.2s both;
}

.hero-title span {
    background: var(--primary-gradient);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.3rem;
    font-weight: 400;
    letter-spacing: 1px;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    animation: fadeInUp 0.6s ease-out 0.3s both;
}

.hero-description {
    font-size: 1.15rem;
    line-height: 1.8;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto 3rem;
    animation: fadeInUp 0.6s ease-out 0.4s both;
}

/* Hero Stats Cards */
.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 1.5rem;
    max-width: 700px;
    margin: 0 auto 3rem;
    animation: fadeInUp 0.6s ease-out 0.5s both;
}

.stat-card {
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.8);
    border-radius: 20px;
    padding: 1.5rem;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    background: white;
}

.stat-icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    display: block;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
    display: block;
    line-height: 1;
    color: var(--primary-dark);
}

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

/* Hero Actions */
.hero-actions {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.6s ease-out 0.6s both;
}

.btn-large {
    padding: 1rem 3rem;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 50px;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
}

.btn-primary {
    background: var(--primary-gradient);
    color: white;
    box-shadow: 0 10px 20px rgba(255, 154, 158, 0.3);
    border: none;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 30px rgba(255, 154, 158, 0.4);
}

.btn-secondary {
    background: white;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
    background: var(--bg-tertiary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Features Section */
.features {
    padding: 80px 0;
    background: var(--bg-primary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-card {
    background: var(--bg-primary);
    padding: 3rem 2rem;
    border-radius: 24px;
    text-align: center;
    transition: all 0.3s ease;
    border: none;
    box-shadow: var(--shadow-sm);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    background: white;
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: var(--primary-gradient);
    border-radius: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    margin: 0 auto 1.5rem;
    transition: transform 0.3s ease;
    box-shadow: 0 10px 20px rgba(255, 154, 158, 0.2);
}

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

.feature-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.feature-description {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--text-secondary);
}

/* FAQ Section */
.faq-section {
    padding: 80px 0;
    background: var(--bg-primary);
}

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

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
    line-height: 1.2;
}

.section-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.faq-list {
    max-width: 1000px;
    margin: 0 auto;
}

.faq-item {
    background: white;
    border-radius: 20px;
    padding: 2rem;
    margin-bottom: 1.5rem;
    border: 1px solid var(--border-light);
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
}

.faq-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
    border-color: var(--primary-light);
}

.faq-question {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.faq-question h4 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.faq-answer {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.faq-icon {
    width: 32px;
    height: 32px;
    background: var(--primary-gradient);
    color: white;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(255, 154, 158, 0.3);
}

.faq-answer p {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--text-secondary);
    margin: 0;
}

/* CTA Section */
/* CTA Section */
.cta-section {
    background: transparent;
    padding: 40px 0 80px;
}

.cta-content {
    background: var(--primary-gradient);
    color: white;
    padding: 60px 40px;
    text-align: center;
    position: relative;
    overflow: hidden;
    border-radius: 32px;
    box-shadow: 0 20px 60px rgba(91, 84, 163, 0.25);
    max-width: 1000px;
    margin: 0 auto;
    z-index: 1;
}

.cta-content::before {
    content: '';
    position: absolute;
    top: -50px;
    right: -50px;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.15) 0%, rgba(255, 255, 255, 0) 70%);
    border-radius: 50%;
    z-index: -1;
}

.cta-content::after {
    content: '';
    position: absolute;
    bottom: -50px;
    left: -50px;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0) 70%);
    border-radius: 50%;
    z-index: -1;
}



.cta-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    color: white !important;
}

.cta-description {
    font-size: 1.2rem;
    margin-bottom: 2.5rem;
    opacity: 0.95;
    color: white !important;
}

.cta-note {
    margin-top: 1.5rem;
    font-size: 0.95rem;
    opacity: 0.9;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

/* CTA Button Override for Better Visibility */
.cta-section .btn-primary {
    background: white;
    color: var(--primary-dark);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    border: none;
    font-weight: 700;
}

.cta-section .btn-primary:hover {
    background: rgba(255, 255, 255, 0.95);
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
    color: var(--primary-color);
}

.cta-section .btn-primary svg {
    stroke: currentColor;
}

/* Footer */
.footer {
    background: transparent;
    color: var(--text-secondary);
    padding: 3rem 0 1.5rem;
    border-top: 1px solid rgba(0, 0, 0, 0.05);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.footer-description {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 0.95rem;
}

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

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
    font-size: 0.95rem;
}

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

.footer-bottom {
    border-top: 1px solid rgba(144, 164, 174, 0.3);
    padding-top: 1.5rem;
    text-align: center;
}

.footer-bottom p {
    color: var(--text-tertiary);
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.footer-disclaimer {
    color: var(--accent-orange);
    font-weight: 500;
}

/* Animations */
@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes rotateIn {
    from {
        opacity: 0;
        transform: rotate(-180deg) scale(0.5);
    }

    to {
        opacity: 1;
        transform: rotate(0) scale(1);
    }
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 3rem;
    }

    .intro-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
}

@media (max-width: 768px) {
    .hero-banner {
        padding: 60px 0 80px;
    }

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

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

    .hero-description {
        font-size: 1rem;
    }

    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .btn-large {
        width: 100%;
        max-width: 300px;
    }

    .intro-content {
        padding: 2rem;
    }

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

    .dimensions-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }

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

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

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

    /* CTA Card Responsive */
    .cta-section {
        padding: 20px 16px 40px;
    }

    .cta-content {
        padding: 40px 20px;
        border-radius: 24px;
    }

    .cta-title {
        font-size: 1.8rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

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

    .stat-card {
        padding: 1.25rem;
    }

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

    .intro-content,
    .dimensions-section {
        padding: 1.5rem;
    }

    .faq-item {
        padding: 1.5rem;
    }
}

/* Features Content Card Wrapper */
.features-content {
    background: white;
    padding: 3rem;
    border-radius: 24px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
    max-width: 1000px;
    margin: 0 auto;
}

/* Adjust grid inside the card */
.features-content .features-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

/* Adjust feature cards to look good on white background */
.features-content .feature-card {
    background: var(--bg-primary);
    /* Keep cream background for contrast */
    box-shadow: none;
    /* Remove shadow to avoid double shadow */
}

.features-content .feature-card:hover {
    background: white;
    box-shadow: var(--shadow-md);
    transform: translateY(-5px);
    border: 1px solid var(--border-light);
}

/* Responsive adjustments for the new wrapper */
@media (max-width: 768px) {
    .features-content {
        padding: 2rem 1.5rem;
    }

    /* Better mobile layout for about-scl90 section */
    .intro-body {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }

    .circle-chart {
        width: 150px;
        height: 150px;
    }

    .circle-chart svg {
        width: 150px;
        height: 150px;
    }
}

/* Additional mobile improvements for about-scl90 */
@media (max-width: 480px) {
    .intro-content {
        padding: 2rem 1.5rem;
    }

    .intro-subtitle {
        font-size: 1.3rem;
    }

    .intro-text p {
        font-size: 0.95rem;
    }

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

    .dimension-item {
        padding: 1.25rem;
    }
}

/* ============================================
   DARK MODE SUPPORT
   ============================================ */
@media (prefers-color-scheme: dark) {

    /* About SCL90 Section */
    .about-scl90 {
        background: var(--bg-primary);
    }

    .intro-content {
        background: #1F2937;
        border: 1px solid #374151;
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
    }

    .intro-subtitle {
        color: #F9FAFB;
    }

    .intro-text p {
        color: #D1D5DB;
    }

    .circle-chart circle:nth-child(1) {
        stroke: #374151;
    }

    .circle-chart text:nth-child(3) {
        fill: #A78BFA;
    }

    .circle-chart text:nth-child(4) {
        fill: #9CA3AF;
    }

    /* Dimensions Section */
    .dimensions-section {
        background: #1F2937;
        border: 1px solid #374151;
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
    }

    .dimensions-title {
        color: #F9FAFB;
    }

    .dimension-item {
        background: #111827;
        border: 1px solid #374151;
    }

    .dimension-item:hover {
        background: #1F2937;
        border-color: #8B5CF6;
        box-shadow: 0 4px 12px rgba(139, 92, 246, 0.2);
    }

    .dimension-name {
        color: #F9FAFB;
    }

    .dimension-desc {
        color: #9CA3AF;
    }

    /* Hero Banner */
    .hero-banner {
        background: linear-gradient(135deg, #1F2937 0%, #111827 100%);
    }

    .hero-banner::before {
        background: radial-gradient(circle, rgba(139, 92, 246, 0.15) 0%, rgba(0, 0, 0, 0) 70%);
    }

    .hero-banner::after {
        background: radial-gradient(circle, rgba(167, 139, 250, 0.1) 0%, rgba(0, 0, 0, 0) 70%);
    }

    .hero-badge {
        background: #374151;
        color: #F9FAFB;
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
    }

    .badge-icon {
        background: #8B5CF6;
    }

    .hero-title {
        color: #F9FAFB;
    }

    .hero-subtitle,
    .hero-description {
        color: #D1D5DB;
    }

    .stat-card {
        background: rgba(31, 41, 55, 0.8);
        border: 1px solid #374151;
    }

    .stat-card:hover {
        background: #1F2937;
        box-shadow: 0 4px 12px rgba(139, 92, 246, 0.2);
    }

    .stat-number {
        color: #A78BFA;
    }

    .stat-label {
        color: #9CA3AF;
    }

    /* Features Section */
    .features {
        background: var(--bg-primary);
    }

    .features-content {
        background: #1F2937;
        border: 1px solid #374151;
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
    }

    .feature-card {
        background: #111827;
        border: 1px solid #374151;
    }

    .feature-card:hover {
        background: #1F2937;
        box-shadow: 0 8px 16px rgba(139, 92, 246, 0.2);
    }

    .feature-title {
        color: #F9FAFB;
    }

    .feature-description {
        color: #D1D5DB;
    }

    /* FAQ Section */
    .faq-section {
        background: var(--bg-primary);
    }

    .section-title {
        color: #F9FAFB;
    }

    .section-description {
        color: #D1D5DB;
    }

    .faq-item {
        background: #1F2937;
        border: 1px solid #374151;
        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
    }

    .faq-item:hover {
        box-shadow: 0 4px 12px rgba(139, 92, 246, 0.2);
        border-color: #8B5CF6;
    }

    .faq-question h4 {
        color: #F9FAFB;
    }

    .faq-answer p {
        color: #D1D5DB;
    }

    /* CTA Section */
    .cta-content {
        background: linear-gradient(135deg, #6D28D9 0%, #5B21B6 100%);
    }

    .cta-content::before {
        background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0) 70%);
    }

    .cta-content::after {
        background: radial-gradient(circle, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0) 70%);
    }

    .cta-section .btn-primary {
        background: white;
        color: #5B21B6;
    }

    .cta-section .btn-primary:hover {
        background: #F3F4F6;
        color: #6D28D9;
    }

    /* Footer */
    .footer {
        border-top: 1px solid #374151;
    }

    .footer-title {
        color: #F9FAFB;
    }

    .footer-description,
    .footer-links a {
        color: #9CA3AF;
    }

    .footer-links a:hover {
        color: #A78BFA;
    }

    .footer-bottom {
        border-top: 1px solid #374151;
    }

    .footer-bottom p {
        color: #6B7280;
    }

    .footer-disclaimer {
        color: #FBBF24;
    }
}