/* ===== About Page Styles ===== */

/* Banner 背景图片（继承 banner-base.css 的 .sci-banner 样式） */
.sci-banner {
    --banner-color: #05080e;
    --banner-bg: url('../img/about/about_banner.jpg');
}

/* ========================================
   MODERN ABOUT PAGE CONTENT STYLES
   ======================================== */

/* ── About Intro Section ── */
.about-intro-section {
    padding: 100px 0;
    background: #ffffff;
    position: relative;
    overflow: hidden;
}
.about-intro-section::before {
    content: '';
    position: absolute;
    top: -120px;
    right: -120px;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255,126,0,0.04) 0%, transparent 70%);
    pointer-events: none;
}
.about-intro-section::after {
    content: '';
    position: absolute;
    bottom: -80px;
    left: -80px;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255,149,0,0.03) 0%, transparent 70%);
    pointer-events: none;
}

.about-image-wrapper {
    position: relative;
    padding: 20px;
}
.about-image-wrapper img {
    position: relative;
    z-index: 1;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.12);
    transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.about-image-wrapper:hover img {
    transform: scale(1.02);
}

.about-content-wrapper {
    padding: 20px 0 20px 40px;
}
.about-content-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: linear-gradient(135deg, rgba(255,126,0,0.08), rgba(255,149,0,0.08));
    border-radius: 980px;
    font-size: 13px;
    font-weight: 500;
    color: #FF7E00;
    letter-spacing: 0.5px;
    margin-bottom: 20px;
}
.about-content-badge::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #FF7E00;
}
.about-content-title {
    font-size: 42px;
    font-weight: 700;
    color: #1D1D1F;
    line-height: 1.2;
    margin: 0 0 20px;
    letter-spacing: -0.02em;
}
.about-content-title span {
    background: linear-gradient(135deg, #FF7E00, #FF9500);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.about-content-desc {
    font-size: 15px;
    color: #515154;
    line-height: 1.8;
    margin: 0 0 24px;
}
.about-features {
    list-style: none;
    padding: 0;
    margin: 0 0 32px;
}
.about-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 0;
    font-size: 15px;
    color: #1D1D1F;
    border-bottom: 1px solid #F0F0F5;
}
.about-features li:last-child {
    border-bottom: none;
}
.about-features li::before {
    content: '';
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: linear-gradient(135deg, #FF7E00, #FF9500);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(255,126,0,0.25);
}
.about-features li::after {
    content: '\2713';
    position: absolute;
    left: 20px;
    color: #fff;
    font-size: 12px;
    font-weight: 700;
}
.about-content-stats {
    display: flex;
    gap: 40px;
    padding-top: 24px;
    border-top: 1px solid #F0F0F5;
}
.about-stat-item {
    text-align: center;
}
.about-stat-number {
    font-size: 32px;
    font-weight: 700;
    color: #FF7E00;
    line-height: 1;
    margin-bottom: 4px;
}
.about-stat-label {
    font-size: 13px;
    color: #86868B;
}

/* ── Factory Section ── */
.factory-section {
    padding: 100px 0;
    background: #F5F5F7;
    position: relative;
}
.factory-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255,126,0,0.2), transparent);
}
.section-header {
    text-align: center;
    margin-bottom: 60px;
}
.section-header-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: linear-gradient(135deg, rgba(255,126,0,0.08), rgba(255,149,0,0.08));
    border-radius: 980px;
    font-size: 13px;
    font-weight: 500;
    color: #FF7E00;
    letter-spacing: 0.5px;
    margin-bottom: 16px;
}
.section-header-badge::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #FF7E00;
}
.section-header-title {
    font-size: 42px;
    font-weight: 700;
    color: #1D1D1F;
    line-height: 1.2;
    margin: 0 0 12px;
    letter-spacing: -0.02em;
}
.section-header-subtitle {
    font-size: 16px;
    color: #86868B;
    margin: 0;
}

.factory-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.factory-card {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    background: #fff;
    box-shadow: 0 4px 16px rgba(0,0,0,0.06);
    transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                box-shadow 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.factory-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 48px rgba(0,0,0,0.12);
}
.factory-card-image {
    position: relative;
    overflow: hidden;
    aspect-ratio: 4/3;
}
.factory-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.factory-card:hover .factory-card-image img {
    transform: scale(1.08);
}
.factory-card-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 50%, rgba(0,0,0,0.6) 100%);
    display: flex;
    align-items: flex-end;
    padding: 20px;
    opacity: 0;
    transition: opacity 0.4s;
}
.factory-card:hover .factory-card-overlay {
    opacity: 1;
}
.factory-card-title-overlay {
    color: #fff;
    font-size: 16px;
    font-weight: 600;
}
.factory-card-content {
    padding: 20px 24px 24px;
}
.factory-card-title {
    font-size: 17px;
    font-weight: 600;
    color: #1D1D1F;
    margin: 0 0 4px;
}
.factory-card-number {
    position: absolute;
    top: 16px;
    left: 16px;
    width: 36px;
    height: 36px;
    border-radius: 12px;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 700;
    color: #FF7E00;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

/* ── Stats Section ── */
.stats-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #1D1D1F 0%, #2C2C2E 100%);
    position: relative;
    overflow: hidden;
}
.stats-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255,126,0,0.08) 0%, transparent 70%);
    pointer-events: none;
}
.stats-section::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -5%;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255,149,0,0.05) 0%, transparent 70%);
    pointer-events: none;
}
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}
.stat-card {
    text-align: center;
    padding: 40px 20px;
    position: relative;
    z-index: 1;
}
.stat-number {
    font-size: 48px;
    font-weight: 700;
    color: #ffffff;
    line-height: 1;
    margin-bottom: 12px;
    letter-spacing: -0.02em;
}
.stat-divider {
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, #FF7E00, #FF9500);
    border-radius: 2px;
    margin: 0 auto 12px;
}
.stat-label {
    font-size: 14px;
    color: rgba(255,255,255,0.6);
    margin: 0;
}

/* ── Customers Section ── */
.customers-section {
    padding: 100px 0;
    background: #ffffff;
    position: relative;
}
.customers-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255,126,0,0.2), transparent);
}
.customers-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
    margin-top: 60px;
}
.customer-logo-item {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    background: #F5F5F7;
    border: 1px solid #E5E5EA;
    transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
    aspect-ratio: 4/3;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
}
.customer-logo-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0,0,0,0.08);
    border-color: rgba(255,126,0,0.3);
}
.customer-logo-item img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    filter: grayscale(100%);
    opacity: 0.6;
    transition: filter 0.3s, opacity 0.3s;
}
.customer-logo-item:hover img {
    filter: grayscale(0%);
    opacity: 1;
}

/* ── Responsive ── */
@media (max-width: 991px) {
    .about-intro-section { padding: 70px 0; }
    .about-content-wrapper { padding: 40px 0 0; }
    .about-content-title { font-size: 32px; }
    .about-content-stats { gap: 24px; }
    .about-stat-number { font-size: 26px; }
    .factory-grid { grid-template-columns: repeat(2, 1fr); }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .customers-grid { grid-template-columns: repeat(3, 1fr); }
    .section-header-title { font-size: 32px; }
    .stat-number { font-size: 36px; }
}
@media (max-width: 767px) {
    .about-intro-section { padding: 50px 0; }
    .about-content-title { font-size: 26px; }
    .about-content-stats { flex-direction: column; gap: 16px; align-items: flex-start; }
    .factory-grid { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: 1fr; }
    .customers-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
    .section-header-title { font-size: 26px; }
    .section-header { margin-bottom: 40px; }
}