/* ===== ABOUT HERO ===== */
.about-hero {
    position: relative;
    width: 100%;
    min-height: 480px;
    background: var(--slate-900);
    display: flex;
    align-items: center;
    padding: 60px 24px 80px;
    overflow: hidden;
}

.about-hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 70% 30%, rgba(0, 104, 204, 0.12) 0%, transparent 70%);
    pointer-events: none;
}

.about-hero-inner {
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.about-hero-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(4px);
    padding: 4px 18px;
    border-radius: 100px;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.8px;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.70);
    border: 1px solid rgba(255, 255, 255, 0.06);
    width: fit-content;
}

.about-hero h1 {
    font-size: 52px;
    font-weight: 700;
    color: var(--white);
    letter-spacing: -0.02em;
    line-height: 1.08;
    max-width: 780px;
}

.about-hero h1 .highlight {
    color: var(--blue-500);
}

.about-hero p {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.65);
    max-width: 620px;
    line-height: 1.7;
    margin-top: 4px;
}

.about-hero-cta {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 32px;
    background: var(--red-600);
    color: var(--white);
    font-weight: 600;
    font-size: 14px;
    border-radius: 8px;
    transition: all 0.25s ease;
    box-shadow: 0 4px 20px rgba(163, 0, 0, 0.30);
    width: fit-content;
    margin-top: 8px;
}

.about-hero-cta:hover {
    background: var(--red-500);
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(163, 0, 0, 0.40);
}

.about-hero-cta i {
    transition: transform 0.2s ease;
    font-size: 13px;
}

.about-hero-cta:hover i {
    transform: translateX(4px);
}

/* ===== ABOUT STORY ===== */
.about-story {
    padding: 80px 24px 72px;
    background: var(--white);
}

.about-story-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 60px;
}

.about-story-text {
    flex: 1;
    min-width: 0;
}

.about-story-tag {
    display: inline-block;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--blue-500);
    margin-bottom: 6px;
}

.about-story-text h2 {
    font-size: 34px;
    font-weight: 700;
    color: var(--slate-900);
    letter-spacing: -0.02em;
    line-height: 1.15;
    margin-bottom: 16px;
}

.about-story-text p {
    font-size: 15px;
    line-height: 1.8;
    color: var(--slate-600);
    margin-bottom: 12px;
    max-width: 540px;
}

.about-story-text p:last-child {
    margin-bottom: 0;
}

.about-story-image {
    flex: 1;
    min-width: 0;
    border-radius: 14px;
    overflow: hidden;
    background: var(--slate-100);
    aspect-ratio: 4 / 3;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.06);
}

.about-story-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.about-story-image:hover img {
    transform: scale(1.02);
}

/* ===== MISSION & VISION ===== */
.about-mission {
    padding: 72px 24px 80px;
    background: var(--slate-50);
}

.about-mission-inner {
    max-width: 1200px;
    margin: 0 auto;
}

.about-mission-header {
    text-align: center;
    margin-bottom: 48px;
}

.about-mission-header .tag {
    display: inline-block;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--red-600);
    margin-bottom: 6px;
}

.about-mission-header h2 {
    font-size: 34px;
    font-weight: 700;
    color: var(--slate-900);
    letter-spacing: -0.02em;
    line-height: 1.1;
}

.about-mission-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 28px;
}

.mission-card {
    background: var(--white);
    border: 1px solid var(--slate-200);
    border-radius: 14px;
    padding: 36px 32px 40px;
    transition: all 0.35s cubic-bezier(0.22, 1, 0.36, 1);
    position: relative;
    overflow: hidden;
}

.mission-card:hover {
    border-color: var(--blue-500);
    transform: translateY(-4px);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.06);
}

.mission-card .icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: rgba(0, 104, 204, 0.08);
    color: var(--blue-500);
    font-size: 20px;
    margin-bottom: 16px;
}

.mission-card h3 {
    font-size: 22px;
    font-weight: 700;
    color: var(--slate-900);
    margin-bottom: 8px;
    letter-spacing: -0.01em;
}

.mission-card p {
    font-size: 15px;
    line-height: 1.7;
    color: var(--slate-600);
    margin: 0;
}

/* ===== CORE VALUES ===== */
.about-values {
    padding: 80px 24px 72px;
    background: var(--white);
}

.about-values-inner {
    max-width: 1200px;
    margin: 0 auto;
}

.about-values-header {
    text-align: center;
    margin-bottom: 48px;
}

.about-values-header .tag {
    display: inline-block;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--blue-500);
    margin-bottom: 6px;
}

.about-values-header h2 {
    font-size: 34px;
    font-weight: 700;
    color: var(--slate-900);
    letter-spacing: -0.02em;
    line-height: 1.1;
}

.about-values-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.value-card {
    background: var(--slate-50);
    border: 1px solid var(--slate-200);
    border-radius: 14px;
    padding: 28px 22px 32px;
    text-align: center;
    transition: all 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}

.value-card:hover {
    border-color: var(--blue-500);
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.05);
    background: var(--white);
}

.value-card .icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: rgba(0, 104, 204, 0.06);
    color: var(--blue-500);
    font-size: 22px;
    margin-bottom: 12px;
}

.value-card h4 {
    font-size: 17px;
    font-weight: 700;
    color: var(--slate-900);
    margin-bottom: 4px;
}

.value-card p {
    font-size: 13px;
    line-height: 1.6;
    color: var(--slate-500);
    margin: 0;
}

/* ===== FACTORY & WORKSHOP ===== */
.about-facility {
    padding: 72px 24px 80px;
    background: var(--slate-50);
    border-top: 1px solid var(--slate-200);
}

.about-facility-inner {
    max-width: 1200px;
    margin: 0 auto;
}

.about-facility-header {
    text-align: center;
    margin-bottom: 48px;
}

.about-facility-header .tag {
    display: inline-block;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--blue-500);
    margin-bottom: 6px;
}

.about-facility-header h2 {
    font-size: 34px;
    font-weight: 700;
    color: var(--slate-900);
    letter-spacing: -0.02em;
    line-height: 1.1;
}

.facility-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.facility-item {
    border-radius: 12px;
    overflow: hidden;
    background: var(--white);
    border: 1px solid var(--slate-200);
    transition: all 0.35s cubic-bezier(0.22, 1, 0.36, 1);
    aspect-ratio: 1 / 1;
    position: relative;
    cursor: pointer;
}

.facility-item:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.08);
    border-color: var(--blue-500);
}

.facility-item::after {
    content: '\f00e';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.3);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.facility-item:hover::after {
    opacity: 1;
}

.facility-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.5s ease;
}

.facility-item:hover img {
    transform: scale(1.05);
}

/* ===== CERTIFICATIONS ===== */
.about-certifications {
    padding: 80px 24px 72px;
    background: var(--white);
    border-top: 1px solid var(--slate-100);
}

.about-certifications-inner {
    max-width: 1200px;
    margin: 0 auto;
}

.about-certifications-header {
    text-align: center;
    margin-bottom: 48px;
}

.about-certifications-header .tag {
    display: inline-block;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--red-600);
    margin-bottom: 6px;
}

.about-certifications-header h2 {
    font-size: 34px;
    font-weight: 700;
    color: var(--slate-900);
    letter-spacing: -0.02em;
    line-height: 1.1;
}

.cert-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.cert-item {
    background: var(--slate-50);
    border: 1px solid var(--slate-200);
    border-radius: 14px;
    padding: 24px 20px 28px;
    text-align: center;
    transition: all 0.35s cubic-bezier(0.22, 1, 0.36, 1);
    display: flex;
    flex-direction: column;
    align-items: center;
    cursor: pointer;
}

.cert-item:hover {
    border-color: var(--blue-500);
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.05);
    background: var(--white);
}

.cert-item .cert-image {
    width: 100%;
    aspect-ratio: 1 / 1;
    max-width: 160px;
    margin: 0 auto 16px;
    border-radius: 8px;
    overflow: hidden;
    background: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 12px;
    border: 1px solid var(--slate-200);
    transition: transform 0.3s ease;
}

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

.cert-item .cert-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

.cert-item .cert-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--slate-900);
    margin-bottom: 2px;
}

.cert-item .cert-desc {
    font-size: 12px;
    color: var(--slate-500);
    margin: 0;
}

/* ===== LIGHTBOX ===== */
.lightbox {
    position: fixed;
    inset: 0;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.92);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    padding: 20px;
}

.lightbox.active {
    opacity: 1;
    visibility: visible;
}

.lightbox-content {
    position: relative;
    max-width: 90vw;
    max-height: 85vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox-content img {
    max-width: 100%;
    max-height: 85vh;
    object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
    user-select: none;
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 30px;
    color: rgba(255, 255, 255, 0.7);
    font-size: 32px;
    background: none;
    border: none;
    cursor: pointer;
    transition: color 0.2s ease, transform 0.2s ease;
    z-index: 10;
    line-height: 1;
}

.lightbox-close:hover {
    color: white;
    transform: scale(1.1);
}

.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(4px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.7);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    cursor: pointer;
    transition: all 0.25s ease;
    z-index: 10;
}

.lightbox-nav:hover {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border-color: rgba(255, 255, 255, 0.3);
}

.lightbox-prev {
    left: 20px;
}

.lightbox-next {
    right: 20px;
}

.lightbox-indicator {
    position: absolute;
    bottom: -50px;
    left: 50%;
    transform: translateX(-50%);
    color: rgba(255, 255, 255, 0.6);
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.5px;
    background: rgba(0, 0, 0, 0.4);
    padding: 6px 18px;
    border-radius: 30px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    white-space: nowrap;
}

/* ===== TIMELINE ===== */
.about-timeline {
    padding: 72px 24px 80px;
    background: var(--slate-50);
    border-top: 1px solid var(--slate-200);
}

.about-timeline-inner {
    max-width: 1000px;
    margin: 0 auto;
}

.about-timeline-header {
    text-align: center;
    margin-bottom: 48px;
}

.about-timeline-header .tag {
    display: inline-block;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--red-600);
    margin-bottom: 6px;
}

.about-timeline-header h2 {
    font-size: 34px;
    font-weight: 700;
    color: var(--slate-900);
    letter-spacing: -0.02em;
    line-height: 1.1;
}

.timeline {
    display: flex;
    flex-direction: column;
    gap: 0;
    position: relative;
    padding-left: 40px;
    border-left: 3px solid var(--blue-500);
}

.timeline-item {
    padding: 0 0 32px 28px;
    position: relative;
}

.timeline-item:last-child {
    padding-bottom: 0;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -45px;
    top: 4px;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--blue-500);
    border: 3px solid var(--white);
    box-shadow: 0 0 0 3px var(--blue-500);
}

.timeline-item .year {
    font-size: 15px;
    font-weight: 700;
    color: var(--blue-500);
    letter-spacing: 0.5px;
    margin-bottom: 2px;
}

.timeline-item h4 {
    font-size: 18px;
    font-weight: 700;
    color: var(--slate-900);
    margin-bottom: 2px;
}

.timeline-item p {
    font-size: 14px;
    line-height: 1.6;
    color: var(--slate-600);
    margin: 0;
    max-width: 540px;
}

/* ===== TEAM ===== */
.about-team {
    padding: 80px 24px 72px;
    background: var(--white);
}

.about-team-inner {
    max-width: 1200px;
    margin: 0 auto;
}

.about-team-header {
    text-align: center;
    margin-bottom: 48px;
}

.about-team-header .tag {
    display: inline-block;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--blue-500);
    margin-bottom: 6px;
}

.about-team-header h2 {
    font-size: 34px;
    font-weight: 700;
    color: var(--slate-900);
    letter-spacing: -0.02em;
    line-height: 1.1;
}

.about-team-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.team-member {
    text-align: center;
    padding: 20px 16px 24px;
    border-radius: 14px;
    border: 1px solid var(--slate-200);
    background: var(--slate-50);
    transition: all 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}

.team-member:hover {
    border-color: var(--blue-500);
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.05);
    background: var(--white);
}

.team-member .avatar {
    width: 100%;
    aspect-ratio: 1/1;
    border-radius: 50%;
    overflow: hidden;
    background: var(--slate-200);
    margin-bottom: 12px;
    max-width: 160px;
    margin-left: auto;
    margin-right: auto;
}

.team-member .avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.team-member h4 {
    font-size: 17px;
    font-weight: 700;
    color: var(--slate-900);
    margin-bottom: 2px;
}

.team-member .role {
    font-size: 13px;
    color: var(--slate-500);
    font-weight: 500;
}

/* ===== STATS BANNER ===== */
.about-stats {
    position: relative;
    background-color: var(--blue-600);
    /* 组合渐变背景：左右两端微光 + 双向 45° 精密交叉斜线纹路 */
    background-image: 
        radial-gradient(circle at 10% 20%, rgba(255, 255, 255, 0.12) 0%, transparent 40%),
        radial-gradient(circle at 90% 80%, rgba(15, 23, 42, 0.35) 0%, transparent 50%),
        repeating-linear-gradient(45deg, rgba(255, 255, 255, 0.04) 0px, rgba(255, 255, 255, 0.04) 1px, transparent 1px, transparent 28px),
        repeating-linear-gradient(-45deg, rgba(255, 255, 255, 0.02) 0px, rgba(255, 255, 255, 0.02) 1px, transparent 1px, transparent 14px);
    padding: 48px 24px;
    width: 100%;
    overflow: hidden;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.about-stats::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.7;
    pointer-events: none;
    z-index: 1;
}
.about-stats-inner {
    position: relative; /* 确保文字内容在背景线条遮罩层上方 */
    z-index: 2;
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 32px 48px;
}

.about-stats-text {
    flex: 1 1 320px;
    color: var(--white);
}

.about-stats-text h3 {
    font-size: 22px;
    font-weight: 700;
    color: var(--white);
    margin: 0 0 4px 0;
    line-height: 1.2;
}

.about-stats-text p {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.80);
    margin: 0;
    line-height: 1.6;
    max-width: 480px;
}

.about-stats-numbers {
    display: flex;
    flex-wrap: wrap;
    gap: 24px 40px;
    flex: 0 1 auto;
}

.stat-item {
    color: var(--white);
    text-align: left;
}

.stat-item:not(:first-child) {
    padding-left: 32px;
    border-left: 1px solid rgba(255, 255, 255, 0.20);
}

.stat-number {
    font-size: 28px;
    font-weight: 700;
    color: var(--white);
    margin: 0;
    line-height: 1.1;
}

.stat-label {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: rgba(255, 255, 255, 0.60);
    margin: 2px 0 0 0;
}

/* ===== WHY CHOOSE US ===== */
.about-why {
    padding: 80px 24px 72px;
    background: var(--white);
    border-top: 1px solid var(--slate-100);
}

.about-why-inner {
    max-width: 1200px;
    margin: 0 auto;
}

.about-why-header {
    text-align: center;
    margin-bottom: 48px;
}

.about-why-header .tag {
    display: inline-block;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--red-600);
    margin-bottom: 6px;
}

.about-why-header h2 {
    font-size: 34px;
    font-weight: 700;
    color: var(--slate-900);
    letter-spacing: -0.02em;
    line-height: 1.1;
}

.about-why-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.why-card {
    background: var(--slate-50);
    border: 1px solid var(--slate-200);
    border-radius: 14px;
    padding: 28px 24px 32px;
    transition: all 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}

.why-card:hover {
    border-color: var(--red-500);
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.05);
    background: var(--white);
}

.why-card .icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 10px;
    background: rgba(204, 0, 0, 0.06);
    color: var(--red-500);
    font-size: 18px;
    margin-bottom: 12px;
}

.why-card h4 {
    font-size: 17px;
    font-weight: 700;
    color: var(--slate-900);
    margin-bottom: 4px;
}

.why-card p {
    font-size: 14px;
    line-height: 1.6;
    color: var(--slate-600);
    margin: 0;
}

/* ============================================================
   RESPONSIVE (only about elements)
   ============================================================ */
@media (max-width: 1024px) {
    .about-hero h1 {
        font-size: 40px;
    }
    .about-hero p {
        font-size: 16px;
    }
    .about-story-inner {
        gap: 40px;
    }
    .about-story-text h2 {
        font-size: 28px;
    }
    .about-values-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .about-team-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .about-why-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .facility-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .cert-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    .lightbox-prev {
        left: 10px;
    }
    .lightbox-next {
        right: 10px;
    }
}

@media (max-width: 820px) {
    .lightbox-nav {
        width: 40px;
        height: 40px;
        font-size: 16px;
    }
    .lightbox-close {
        font-size: 28px;
        top: 15px;
        right: 20px;
    }
}

@media (max-width: 768px) {
    .about-hero {
        min-height: 360px;
        padding: 40px 20px 56px;
    }
    .about-hero h1 {
        font-size: 30px;
    }
    .about-hero p {
        font-size: 15px;
    }
    .about-hero-cta {
        padding: 10px 24px;
        font-size: 13px;
    }

    .about-story {
        padding: 52px 16px 56px;
    }
    .about-story-inner {
        flex-direction: column;
        gap: 32px;
    }
    .about-story-text {
        width: 100%;
        order: 1;
    }
    .about-story-image {
        width: 100%;
        order: 0;
    }
    .about-story-text h2 {
        font-size: 26px;
    }
    .about-story-text p {
        font-size: 14px;
        max-width: 100%;
    }

    .about-mission {
        padding: 52px 16px 56px;
    }
    .about-mission-header h2 {
        font-size: 26px;
    }
    .about-mission-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    .mission-card {
        padding: 28px 24px 32px;
    }
    .mission-card h3 {
        font-size: 20px;
    }

    .about-values {
        padding: 52px 16px 56px;
    }
    .about-values-header h2 {
        font-size: 26px;
    }
    .about-values-grid {
        grid-template-columns: 1fr 1fr;
        gap: 16px;
    }
    .value-card {
        padding: 24px 16px 28px;
    }

    .about-facility {
        padding: 52px 16px 56px;
    }
    .about-facility-header h2 {
        font-size: 26px;
    }
    .facility-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .about-certifications {
        padding: 52px 16px 56px;
    }
    .about-certifications-header h2 {
        font-size: 26px;
    }
    .cert-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
    .cert-item .cert-image {
        max-width: 120px;
    }

    .about-timeline {
        padding: 52px 16px 56px;
    }
    .about-timeline-header h2 {
        font-size: 26px;
    }
    .timeline {
        padding-left: 28px;
    }
    .timeline-item {
        padding: 0 0 28px 20px;
    }
    .timeline-item::before {
        left: -33px;
        width: 12px;
        height: 12px;
    }

    .about-team {
        padding: 52px 16px 56px;
    }
    .about-team-header h2 {
        font-size: 26px;
    }
    .about-team-grid {
        grid-template-columns: 1fr 1fr;
        gap: 16px;
    }
    .team-member {
        padding: 16px 12px 20px;
    }
    .team-member .avatar {
        max-width: 120px;
    }

    .about-stats {
        padding: 36px 20px;
    }
    .about-stats-inner {
        flex-direction: column;
        align-items: flex-start;
        gap: 24px;
    }
    .about-stats-text {
        flex: 1 1 auto;
        width: 100%;
    }
    .about-stats-text h3 {
        font-size: 20px;
    }
    .about-stats-text p {
        font-size: 14px;
        max-width: 100%;
    }
    .about-stats-numbers {
        width: 100%;
        justify-content: flex-start;
        gap: 16px 28px;
    }
    .stat-item:not(:first-child) {
        padding-left: 20px;
    }
    .stat-number {
        font-size: 24px;
    }
    .stat-label {
        font-size: 9px;
        letter-spacing: 1px;
    }

    .about-why {
        padding: 52px 16px 56px;
    }
    .about-why-header h2 {
        font-size: 26px;
    }
    .about-why-grid {
        grid-template-columns: 1fr 1fr;
        gap: 16px;
    }
    .why-card {
        padding: 24px 18px 28px;
    }

    .lightbox-nav {
        width: 36px;
        height: 36px;
        font-size: 14px;
    }
    .lightbox-prev {
        left: 5px;
    }
    .lightbox-next {
        right: 5px;
    }
    .lightbox-indicator {
        font-size: 12px;
        padding: 4px 14px;
        bottom: -45px;
    }
}

@media (max-width: 480px) {
    .about-hero {
        min-height: 300px;
        padding: 32px 16px 48px;
    }
    .about-hero h1 {
        font-size: 24px;
    }
    .about-hero p {
        font-size: 14px;
    }
    .about-hero-cta {
        padding: 8px 18px;
        font-size: 12px;
    }

    .about-story {
        padding: 36px 12px 44px;
    }
    .about-story-text h2 {
        font-size: 22px;
    }
    .about-story-text p {
        font-size: 13px;
    }

    .about-mission-header h2 {
        font-size: 22px;
    }
    .mission-card h3 {
        font-size: 18px;
    }
    .mission-card p {
        font-size: 14px;
    }

    .about-values-header h2 {
        font-size: 22px;
    }
    .about-values-grid {
        grid-template-columns: 1fr;
    }
    .value-card {
        padding: 20px 16px 24px;
    }

    .about-facility-header h2 {
        font-size: 22px;
    }
    .facility-grid {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }

    .about-certifications-header h2 {
        font-size: 22px;
    }
    .cert-grid {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }
    .cert-item {
        padding: 16px 12px 20px;
    }
    .cert-item .cert-image {
        max-width: 100px;
    }
    .cert-item .cert-name {
        font-size: 12px;
    }
    .cert-item .cert-desc {
        font-size: 10px;
    }

    .about-timeline-header h2 {
        font-size: 22px;
    }
    .timeline-item h4 {
        font-size: 16px;
    }
    .timeline-item p {
        font-size: 13px;
    }

    .about-team-header h2 {
        font-size: 22px;
    }
    .about-team-grid {
        grid-template-columns: 1fr;
        max-width: 320px;
        margin: 0 auto;
    }
    .team-member .avatar {
        max-width: 140px;
    }

    .about-stats-text h3 {
        font-size: 18px;
    }
    .about-stats-text p {
        font-size: 13px;
    }
    .about-stats-numbers {
        gap: 12px 20px;
    }
    .stat-item:not(:first-child) {
        padding-left: 14px;
    }
    .stat-number {
        font-size: 20px;
    }
    .stat-label {
        font-size: 8px;
        letter-spacing: 0.8px;
    }

    .about-why-header h2 {
        font-size: 22px;
    }
    .about-why-grid {
        grid-template-columns: 1fr;
    }
    .why-card {
        padding: 20px 16px 24px;
    }

    .lightbox-content img {
        max-height: 70vh;
    }
    .lightbox-nav {
        width: 32px;
        height: 32px;
        font-size: 12px;
    }
    .lightbox-prev {
        left: 2px;
    }
    .lightbox-next {
        right: 2px;
    }
    .lightbox-close {
        font-size: 24px;
        top: 10px;
        right: 15px;
    }
    .lightbox-indicator {
        font-size: 11px;
        padding: 3px 12px;
        bottom: -40px;
    }
    .facility-item::after {
        font-size: 20px;
    }
}

@media (max-width: 360px) {
    .about-hero h1 {
        font-size: 20px;
    }
    .about-hero p {
        font-size: 13px;
    }
    .about-story-text h2 {
        font-size: 19px;
    }
    .about-mission-header h2 {
        font-size: 19px;
    }
    .about-values-header h2 {
        font-size: 19px;
    }
    .about-facility-header h2 {
        font-size: 19px;
    }
    .about-certifications-header h2 {
        font-size: 19px;
    }
    .about-timeline-header h2 {
        font-size: 19px;
    }
    .about-team-header h2 {
        font-size: 19px;
    }
    .about-why-header h2 {
        font-size: 19px;
    }
    .facility-grid {
        grid-template-columns: 1fr 1fr;
        gap: 10px;
    }
    .cert-grid {
        grid-template-columns: 1fr 1fr;
        gap: 10px;
    }
}