/* ===================================================
   Maxta About Page - 关于我们页面样式
   展示公司使命、愿景、价值观和文化
   =================================================== */

/* ===== CSS Variables ===== */
:root {
    --primary-blue: #3B82F6;
    --light-blue: #EFF6FF;
    --white: #FFFFFF;
    --black: #1F2937;
    --medium-gray: #6B7280;
    --light-gray: #F3F4F6;
    --success-green: #10B981;
    --purple: #9333EA;
}

/* ===== Base Container ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

@media (max-width: 768px) {
    .container {
        padding: 0 16px;
    }
}

/* ===== General Section Styles ===== */
.section-header {
    text-align: center;
    margin-bottom: 56px;
}

.section-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--light-blue);
    color: var(--primary-blue);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 16px;
}

.section-badge i {
    width: 16px;
    height: 16px;
}

.section-title-main {
    font-size: 40px;
    font-weight: 700;
    color: var(--black);
    margin-bottom: 16px;
    line-height: 1.2;
}

.section-desc-main {
    font-size: 18px;
    color: var(--medium-gray);
    line-height: 1.6;
    max-width: 700px;
    margin: 0 auto;
}

/* ===== Hero Section ===== */
.about-hero {
    position: relative;
    padding: var(--space-xxl) 0 var(--space-xl);
    background: linear-gradient(135deg, #F8FAFB 0%, #E8F0FF 100%);
    overflow: hidden;
    margin-top: 0;
}

.about-hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(46, 91, 186, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(46, 91, 186, 0.05) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: grid-move 20s linear infinite;
    z-index: 0;
}

@keyframes grid-move {
    0% { transform: translate(0, 0); }
    100% { transform: translate(50px, 50px); }
}

.about-hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.about-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(59, 130, 246, 0.2);
    color: #60A5FA;
    padding: 10px 20px;
    border-radius: 24px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 24px;
    border: 1px solid rgba(59, 130, 246, 0.3);
    backdrop-filter: blur(10px);
}

.about-hero-badge i {
    width: 18px;
    height: 18px;
}

.about-hero-title {
    font-size: 56px;
    font-weight: 700;
    color: var(--black);
    margin-bottom: 24px;
    line-height: 1.2;
}

.about-hero-description {
    font-size: 20px;
    line-height: 1.8;
    color: var(--medium-gray);
    max-width: 700px;
    margin: 0 auto;
}

/* ===== Mission, Vision, Values Section ===== */
.about-mvv-section {
    padding: 100px 0;
    background: var(--white);
}

.about-mvv-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    max-width: 1200px;
    margin: 0 auto;
}

.about-mvv-card {
    background: var(--white);
    border: 2px solid #E5E7EB;
    border-radius: 20px;
    padding: 40px;
    transition: all 0.4s ease;
    opacity: 0;
    transform: translateY(30px);
}

.about-mvv-card.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.about-mvv-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.about-card-mission {
    border-color: var(--primary-blue);
    background: linear-gradient(135deg, #F0F9FF 0%, var(--white) 100%);
}

.about-card-mission:hover {
    box-shadow: 0 20px 40px rgba(59, 130, 246, 0.15);
}

.about-card-vision {
    border-color: var(--purple);
    background: linear-gradient(135deg, #F3E8FF 0%, var(--white) 100%);
}

.about-card-vision:hover {
    box-shadow: 0 20px 40px rgba(147, 51, 234, 0.15);
}

.about-card-values {
    border-color: var(--success-green);
    background: linear-gradient(135deg, #ECFDF5 0%, var(--white) 100%);
}

.about-card-values:hover {
    box-shadow: 0 20px 40px rgba(16, 185, 129, 0.15);
}

.about-mvv-icon {
    width: 72px;
    height: 72px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.about-card-mission .about-mvv-icon {
    background: linear-gradient(135deg, var(--primary-blue) 0%, #60A5FA 100%);
    color: var(--white);
}

.about-card-vision .about-mvv-icon {
    background: linear-gradient(135deg, var(--purple) 0%, #A855F7 100%);
    color: var(--white);
}

.about-card-values .about-mvv-icon {
    background: linear-gradient(135deg, var(--success-green) 0%, #34D399 100%);
    color: var(--white);
}

.about-mvv-icon i {
    width: 36px;
    height: 36px;
}

.about-mvv-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--black);
    margin-bottom: 16px;
}

.about-mvv-content {
    font-size: 16px;
    line-height: 1.8;
    color: var(--medium-gray);
    margin-bottom: 24px;
}

.about-mvv-highlight {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 20px;
    background: rgba(59, 130, 246, 0.08);
    border-radius: 12px;
    font-size: 15px;
    font-weight: 600;
    color: var(--primary-blue);
}

.about-mvv-highlight i {
    width: 20px;
    height: 20px;
}

.about-values-list {
    list-style: none;
    padding: 0;
    margin: 0;
    margin-top: 8px;
}

.about-values-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 24px;
    padding-left: 4px;
}

.about-values-list li:last-child {
    margin-bottom: 0;
}

.about-values-list li i {
    width: 18px;
    height: 18px;
    color: var(--success-green);
    flex-shrink: 0;
    margin-top: 3px;
}

.about-values-list li div {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.about-values-list strong {
    color: var(--black);
    font-weight: 600;
    font-size: 15px;
    line-height: 1.4;
}

.about-values-list span {
    color: var(--medium-gray);
    font-size: 14px;
    line-height: 1.6;
}

/* ===== Culture Section ===== */
.about-culture-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #F8FAFB 0%, #EFF6FF 100%);
}

.about-culture-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
}

.about-culture-card {
    background: var(--white);
    padding: 36px 28px;
    border-radius: 16px;
    border: 1px solid #E5E7EB;
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateY(30px);
}

.about-culture-card.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.about-culture-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 32px rgba(0, 0, 0, 0.08);
    border-color: var(--primary-blue);
}

.about-culture-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--light-blue) 0%, #DBEAFE 100%);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-blue);
    margin-bottom: 20px;
}

.about-culture-icon i {
    width: 32px;
    height: 32px;
}

.about-culture-card h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--black);
    margin-bottom: 12px;
}

.about-culture-card p {
    font-size: 15px;
    line-height: 1.7;
    color: var(--medium-gray);
    margin-bottom: 20px;
}

.about-culture-stats {
    display: flex;
    align-items: baseline;
    gap: 8px;
    padding-top: 20px;
    border-top: 1px solid #E5E7EB;
}

.stat-number {
    font-size: 28px;
    font-weight: 700;
    color: var(--primary-blue);
}

.stat-label {
    font-size: 13px;
    color: var(--medium-gray);
    font-weight: 500;
}

/* ===== Story Section ===== */
.about-story-section {
    padding: 100px 0;
    background: var(--white);
}

.about-story-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-story-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--light-blue);
    color: var(--primary-blue);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 20px;
}

.about-story-badge i {
    width: 18px;
    height: 18px;
}

.about-story-content h2 {
    font-size: 36px;
    font-weight: 700;
    color: var(--black);
    margin-bottom: 40px;
    line-height: 1.3;
}

.about-story-timeline {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.about-story-item {
    padding-left: 28px;
    border-left: 3px solid #E5E7EB;
    position: relative;
    opacity: 0;
    transform: translateX(-20px);
    transition: all 0.5s ease;
}

.about-story-item.animate-in {
    opacity: 1;
    transform: translateX(0);
}

.about-story-item::before {
    content: '';
    position: absolute;
    left: -7px;
    top: 0;
    width: 11px;
    height: 11px;
    background: var(--primary-blue);
    border-radius: 50%;
    border: 3px solid var(--white);
    box-shadow: 0 0 0 3px #E5E7EB;
}

.story-year {
    display: inline-block;
    padding: 4px 12px;
    background: var(--primary-blue);
    color: var(--white);
    border-radius: 12px;
    font-size: 13px;
    font-weight: 700;
    margin-bottom: 12px;
}

.about-story-item h4 {
    font-size: 18px;
    font-weight: 600;
    color: var(--black);
    margin-bottom: 8px;
}

.about-story-item p {
    font-size: 15px;
    line-height: 1.7;
    color: var(--medium-gray);
}

.about-stats-showcase {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.stat-box {
    padding: 32px 24px;
    border-radius: 16px;
    text-align: center;
    transition: all 0.3s ease;
}

.stat-box:hover {
    transform: translateY(-4px);
}

.stat-primary {
    background: linear-gradient(135deg, var(--primary-blue) 0%, #60A5FA 100%);
    color: var(--white);
}

.stat-secondary {
    background: linear-gradient(135deg, var(--purple) 0%, #A855F7 100%);
    color: var(--white);
}

.stat-tertiary {
    background: linear-gradient(135deg, var(--success-green) 0%, #34D399 100%);
    color: var(--white);
}

.stat-quaternary {
    background: linear-gradient(135deg, #F59E0B 0%, #FBBF24 100%);
    color: var(--white);
}

.stat-box .stat-number {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 8px;
    color: inherit;
    background: none;
    -webkit-text-fill-color: inherit;
}

.stat-box .stat-label {
    font-size: 14px;
    font-weight: 500;
    color: inherit;
    opacity: 0.9;
}

/* ===== Leadership Section ===== */
.about-leadership-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #F8FAFB 0%, #EFF6FF 100%);
}

.about-leadership-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.about-leader-card {
    background: var(--white);
    border-radius: 16px;
    padding: 36px 28px;
    text-align: center;
    border: 1px solid #E5E7EB;
    transition: all 0.3s ease;
    opacity: 0;
    transform: scale(0.95);
}

.about-leader-card.animate-in {
    opacity: 1;
    transform: scale(1);
}

.about-leader-card:hover {
    transform: translateY(-8px) scale(1);
    box-shadow: 0 16px 32px rgba(0, 0, 0, 0.1);
    border-color: var(--primary-blue);
}

.leader-image {
    margin-bottom: 24px;
}

.leader-placeholder {
    width: 120px;
    height: 120px;
    background: linear-gradient(135deg, var(--light-blue) 0%, #DBEAFE 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-blue);
    margin: 0 auto;
}

.leader-placeholder i {
    width: 60px;
    height: 60px;
}

.about-leader-card h3 {
    font-size: 22px;
    font-weight: 700;
    color: var(--black);
    margin-bottom: 8px;
}

.leader-title {
    font-size: 15px;
    color: var(--primary-blue);
    font-weight: 600;
    margin-bottom: 16px;
}

.leader-bio {
    font-size: 14px;
    line-height: 1.7;
    color: var(--medium-gray);
    text-align: left;
}

/* ===== Why Choose Us Section ===== */
.about-why-section {
    padding: 100px 0;
    background: var(--white);
}

.about-why-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.about-why-card {
    padding: 32px 28px;
    border: 1px solid #E5E7EB;
    border-radius: 16px;
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateY(30px);
}

.about-why-card.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.about-why-card:hover {
    border-color: var(--primary-blue);
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.08);
    transform: translateY(-4px);
}

.why-number {
    display: inline-block;
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary-blue) 0%, #60A5FA 100%);
    color: var(--white);
    border-radius: 12px;
    font-size: 20px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.about-why-card h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--black);
    margin-bottom: 12px;
}

.about-why-card p {
    font-size: 15px;
    line-height: 1.7;
    color: var(--medium-gray);
}

/* ===== CTA Section ===== */
.about-cta-section {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--primary-blue) 0%, #1E40AF 100%);
    position: relative;
    overflow: hidden;
}

.about-cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.05) 0%, transparent 50%);
    z-index: 0;
}

.about-cta-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.about-cta-content h2 {
    font-size: 42px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 20px;
}

.about-cta-content p {
    font-size: 20px;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 40px;
}

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

/* ===== Button Styles ===== */
.maxta-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    outline: none;
}

.maxta-btn i {
    width: 20px;
    height: 20px;
}

.maxta-btn-primary {
    background: var(--white);
    color: var(--primary-blue);
}

.maxta-btn-primary:hover {
    background: rgba(255, 255, 255, 0.95);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.maxta-btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.maxta-btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-2px);
}

.maxta-btn-lg {
    padding: 16px 40px;
    font-size: 18px;
}

.maxta-btn-lg i {
    width: 22px;
    height: 22px;
}

/* ===== Responsive Design ===== */
@media (max-width: 1024px) {
    .about-mvv-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .about-culture-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }

    .about-story-layout {
        grid-template-columns: 1fr;
        gap: 60px;
    }

    .about-leadership-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

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

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

    .about-hero-title {
        font-size: 36px;
    }

    .about-hero-description {
        font-size: 16px;
    }

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

    .about-mvv-section,
    .about-culture-section,
    .about-story-section,
    .about-leadership-section,
    .about-why-section,
    .about-cta-section {
        padding: 60px 0;
    }

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

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

    .about-stats-showcase {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .about-cta-content h2 {
        font-size: 32px;
    }

    .about-cta-content p {
        font-size: 16px;
    }

    .about-cta-buttons {
        flex-direction: column;
        gap: 12px;
    }

    .about-cta-buttons .maxta-btn {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .about-hero-title {
        font-size: 28px;
    }

    .section-title-main {
        font-size: 28px;
    }

    .about-mvv-card {
        padding: 28px 24px;
    }

    .about-culture-card {
        padding: 28px 20px;
    }
}

/* ===== Animation Delays ===== */
.about-mvv-card:nth-child(1) { transition-delay: 0.1s; }
.about-mvv-card:nth-child(2) { transition-delay: 0.2s; }
.about-mvv-card:nth-child(3) { transition-delay: 0.3s; }

.about-culture-card:nth-child(1) { transition-delay: 0.1s; }
.about-culture-card:nth-child(2) { transition-delay: 0.2s; }
.about-culture-card:nth-child(3) { transition-delay: 0.3s; }
.about-culture-card:nth-child(4) { transition-delay: 0.4s; }

.about-story-item:nth-child(1) { transition-delay: 0.1s; }
.about-story-item:nth-child(2) { transition-delay: 0.2s; }
.about-story-item:nth-child(3) { transition-delay: 0.3s; }
.about-story-item:nth-child(4) { transition-delay: 0.4s; }

.about-why-card:nth-child(1) { transition-delay: 0.1s; }
.about-why-card:nth-child(2) { transition-delay: 0.2s; }
.about-why-card:nth-child(3) { transition-delay: 0.3s; }
.about-why-card:nth-child(4) { transition-delay: 0.4s; }
.about-why-card:nth-child(5) { transition-delay: 0.5s; }
.about-why-card:nth-child(6) { transition-delay: 0.6s; }

/* ===== Accessibility ===== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}
}