/* ============================================
   苏州量子通电子有限公司官网 - 样式表
   ============================================ */

/* --- CSS Variables --- */
:root {
    --color-primary: #d84937;
    --color-primary-hover: #b83a2d;
    --color-accent: #e86655;
    --color-bg: #FFFFFF;
    --color-surface: #F8F9FA;
    --color-text: #1A1A2E;
    --color-muted: #6B7280;
    --color-border: #E5E7EB;
    --color-success: #10B981;
    --color-warning: #F59E0B;
    --color-error: #EF4444;
    
    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans SC", sans-serif;
    
    --container-max: 75%;
    --header-height: 80px;
    
    --radius-sm: 4px;
    --radius-md: 8px;
    
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
}

/* --- Reset & Base --- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    scroll-padding-top: calc(var(--header-height) + 20px);
    overflow-x: hidden;
}

body {
    font-family: var(--font-family);
    font-size: 16px;
    line-height: 1.7;
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

ul {
    list-style: none;
}

/* --- Container --- */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

/* --- Header --- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: var(--color-bg);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
}

.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
    gap: 32px;
}

.header__logo {
    display: flex;
    align-items: center;
    white-space: nowrap;
}

.header__logo-img {
    height: 40px;
    width: auto;
}

.header__logo:hover {
    opacity: 0.85;
}

.header__nav-list {
    display: flex;
    gap: 24px;
}

.header__nav-item {
    position: relative;
}

.header__dropdown {
    position: absolute;
    top: calc(100% + 26px);
    left: 50%;
    transform: translateX(-50%);
    min-width: 180px;
    background: var(--color-bg);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-md);
    padding: 8px 0;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-fast), visibility var(--transition-fast);
    z-index: 1001;
    list-style: none;
}

.header__nav-item:hover .header__dropdown {
    opacity: 1;
    visibility: visible;
}

.header__dropdown-link {
    display: block;
    padding: 10px 20px;
    font-size: 14px;
    color: var(--color-text);
    white-space: nowrap;
    transition: color var(--transition-fast), background var(--transition-fast);
}

.header__dropdown-link:hover {
    color: var(--color-primary);
    background: rgba(0, 0, 0, 0.03);
}

.header__nav-link {
    font-size: 15px;
    color: var(--color-text);
    padding: 8px 0;
    position: relative;
    transition: color var(--transition-fast);
}

.header__nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: width var(--transition-base);
}

.header__nav-link:hover,
.header__nav-link--active {
    color: var(--color-primary);
}

.header__nav-link:hover::after,
.header__nav-link--active::after {
    width: 100%;
}

.header__nav-arrow {
    display: inline-block;
    width: 12px;
    height: 12px;
    margin-left: 4px;
    vertical-align: middle;
    transition: transform var(--transition-fast);
}

.header__nav-item:hover .header__nav-arrow {
    transform: rotate(180deg);
}

.header__cta {
    display: inline-block;
    padding: 10px 24px;
    background: var(--color-primary);
    color: #fff;
    border-radius: var(--radius-sm);
    font-size: 15px;
    font-weight: 500;
    transition: background var(--transition-fast);
    white-space: nowrap;
}

.header__cta:hover {
    background: var(--color-primary-hover);
    color: #fff;
}

.header__menu-btn {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 32px;
    height: 32px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.header__menu-btn span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--color-text);
    transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.header__menu-btn.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.header__menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.header__menu-btn.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* --- Mobile Menu --- */
.mobile-menu {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-bg);
    z-index: 999;
    display: none;
    padding: 32px 24px;
}

.mobile-menu.active {
    display: block;
}

.mobile-menu__list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.mobile-menu__link {
    font-size: 18px;
    color: var(--color-text);
    padding: 12px 0;
    display: block;
    border-bottom: 1px solid var(--color-border);
}

.mobile-menu__link:hover,
.mobile-menu__link--active {
    color: var(--color-primary);
}

.mobile-menu__sub {
    display: none;
    padding-left: 20px;
    margin-top: 4px;
}

.mobile-menu__sub.active {
    display: block;
}

.mobile-menu__sub-link {
    font-size: 15px;
    color: #6B7280;
    padding: 8px 0;
    display: block;
    border-bottom: 1px solid #E5E7EB;
}

.mobile-menu__sub-link:hover {
    color: var(--color-primary);
}

/* --- Hero Section --- */
.hero {
    position: relative;
    height: 600px;
    display: flex;
    align-items: center;
    margin-top: var(--header-height);
    overflow: hidden;
}

.hero__bg {
    position: absolute;
    inset: 0;
    z-index: -1;
    background: linear-gradient(135deg, #1a1a2e 0%, #2d2d44 50%, #1a1a2e 100%);
}

.hero__bg-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    background: linear-gradient(135deg, #1a1a2e 0%, #2d2d44 50%, #1a1a2e 100%);
}

.hero__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(26, 26, 46, 0.85) 0%, rgba(26, 26, 46, 0.6) 100%);
}

.hero__content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    padding: 80px 0;
}

.hero__title {
    font-size: 56px;
    font-weight: 700;
    line-height: 1.2;
    color: #ffffff;
    margin-bottom: 24px;
}

.hero__subtitle {
    font-size: 18px;
    line-height: 1.8;
    color: var(--color-muted);
    margin-bottom: 40px;
}

.hero__actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    font-size: 16px;
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    cursor: pointer;
    border: none;
    text-align: center;
}

.btn--primary {
    background: var(--color-primary);
    color: #fff;
}

.btn--primary:hover {
    background: var(--color-primary-hover);
    color: #fff;
}

.btn--outline {
    background: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
}

.btn--outline:hover {
    background: var(--color-primary);
    color: #fff;
}

.btn--large {
    padding: 18px 48px;
    font-size: 18px;
}

/* --- Section Common --- */
.section {
    padding: 100px 0;
}

.section__header {
    text-align: center;
    margin-bottom: 60px;
    padding: 0 48px;
    max-width: 75%;
    margin-left: auto;
    margin-right: auto;
}

.section__title {
    font-size: 36px;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 16px;
}

.section__subtitle {
    font-size: 18px;
    color: var(--color-muted);
    max-width: 600px;
    margin: 0 auto;
}

.section__cta {
    text-align: center;
    margin-top: 48px;
}

/* --- Solutions Section --- */
.section--solutions {
    background: var(--color-bg);
    padding-bottom: 0;
}

/* --- Solutions Panels (Full-width Split) --- */
.solutions-panels {
    display: flex;
    width: 100%;
    height: 672px;
    overflow: hidden;
}

.solution-panel {
    position: relative;
    flex: 1;
    min-width: 0;
    overflow: hidden;
    cursor: pointer;
    transition: flex 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.solution-panel:hover {
    flex: 4;
}

.solution-panel__bg {
    position: absolute;
    inset: 0;
}

.solution-panel__bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.solution-panel:hover .solution-panel__bg img {
    transform: scale(1.05);
}

.solution-panel__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(26, 26, 46, 0.3) 0%, rgba(26, 26, 46, 0.7) 100%);
    transition: background 0.6s ease;
}

.solution-panel:hover .solution-panel__overlay {
    background: linear-gradient(180deg, rgba(26, 26, 46, 0.2) 0%, rgba(26, 26, 46, 0.85) 100%);
}

.solution-panel__content {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 48px;
    color: #fff;
    z-index: 1;
}

.solution-panel__number {
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 2px;
    opacity: 0.7;
    margin-bottom: 12px;
}

.solution-panel__title {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 16px;
    transition: font-size 0.4s ease;
}

.solution-panel:hover .solution-panel__title {
    font-size: 36px;
}

.solution-panel__desc {
    font-size: 15px;
    line-height: 1.7;
    opacity: 0;
    max-height: 0;
    overflow: hidden;
    margin-bottom: 0;
    transition: opacity 0.4s ease 0.1s, max-height 0.4s ease 0.1s, margin-bottom 0.4s ease 0.1s;
}

.solution-panel:hover .solution-panel__desc {
    opacity: 0.9;
    max-height: 100px;
    margin-bottom: 20px;
}

.solution-panel__tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    opacity: 0;
    max-height: 0;
    overflow: hidden;
    margin-bottom: 0;
    transition: opacity 0.4s ease 0.2s, max-height 0.4s ease 0.2s, margin-bottom 0.4s ease 0.2s;
}

.solution-panel:hover .solution-panel__tags {
    opacity: 1;
    max-height: 50px;
    margin-bottom: 24px;
}

.tag {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 20px;
    font-size: 13px;
    color: #fff;
    backdrop-filter: blur(4px);
}

.solution-panel__link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 15px;
    font-weight: 500;
    color: #fff;
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.4s ease 0.3s, transform 0.4s ease 0.3s;
}

.solution-panel:hover .solution-panel__link {
    opacity: 1;
    transform: translateY(0);
}

.solution-panel__link .arrow {
    transition: transform var(--transition-fast);
}

.solution-panel__link:hover .arrow {
    transform: translateX(4px);
}

/* --- Manufacturing Section --- */
.section--manufacturing {
    background: var(--color-surface);
}

.manufacturing-showcase {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.manufacturing-showcase__image {
    border-radius: var(--radius-md);
    overflow: hidden;
    aspect-ratio: 4 / 3;
    background: var(--color-surface);
}

.manufacturing-showcase__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.capability-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-bottom: 32px;
}

.capability-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.capability-item__icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    color: var(--color-primary);
}

.capability-item__icon svg {
    width: 100%;
    height: 100%;
}

.capability-item__text h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 4px;
    color: var(--color-text);
}

.capability-item__text p {
    font-size: 14px;
    color: var(--color-muted);
}

/* --- Proof Section --- */
.section--proof {
    background: var(--color-bg);
}

.proof-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    text-align: center;
}

.proof-item {
    padding: 32px 24px;
    background: var(--color-surface);
    border-radius: var(--radius-md);
}

.proof-item__number {
    font-size: 48px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 8px;
}

.proof-item__label {
    font-size: 16px;
    color: var(--color-muted);
}

/* --- Sustainability Section --- */
.section--sustainability {
    background: #1A1A2E;
    color: #fff;
}

.section--sustainability .section__title,
.section--sustainability .section__subtitle {
    color: #fff;
}

.sustainability-showcase {
    display: flex;
    gap: 60px;
    align-items: center;
    margin-bottom: 48px;
}

.sustainability-showcase__image {
    flex: 0 0 40%;
    border-radius: var(--radius-md);
    overflow: hidden;
    height: 520px;
}

.sustainability-showcase__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.sustainability-showcase__list {
    flex: 1;
}

.sustainability-list-item {
    display: flex;
    gap: 24px;
    padding: 24px 0;
    border-bottom: 1px solid #E5E7EB;
    transition: all var(--transition-base);
    cursor: default;
}

.sustainability-list-item:last-child {
    border-bottom: none;
}

.sustainability-list-item:hover {
    padding-left: 8px;
}

.sustainability-list-item__number {
    font-size: 24px;
    font-weight: 700;
    color: var(--color-primary);
    opacity: 0.4;
    transition: opacity var(--transition-base);
    font-family: monospace;
    line-height: 1.4;
}

.sustainability-list-item:hover .sustainability-list-item__number {
    opacity: 1;
}

.sustainability-list-item__content h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
    color: #fff;
}

.sustainability-list-item__content p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
    line-height: 1.6;
    margin: 0;
}

/* --- News Section --- */
.section--news {
    background: var(--color-bg);
}

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

.news-card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.news-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.news-card__image {
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: var(--color-surface);
}

.news-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-base);
}

.news-card:hover .news-card__image img {
    transform: scale(1.05);
}

.news-card__content {
    padding: 24px;
}

.news-card__date {
    font-size: 14px;
    color: var(--color-muted);
    margin-bottom: 8px;
    display: block;
}

.news-card__title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--color-text);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-card__excerpt {
    font-size: 14px;
    color: var(--color-muted);
    line-height: 1.6;
    margin-bottom: 16px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-card__link {
    font-size: 14px;
    font-weight: 500;
    color: var(--color-primary);
}

.news-loading {
    grid-column: 1 / -1;
    text-align: center;
    padding: 40px;
    color: var(--color-text-secondary);
    font-size: 16px;
}

/* --- News Detail Page --- */
.news-detail {
    max-width: 800px;
    margin: 0 auto;
}

.news-detail__image {
    width: 100%;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    border-radius: var(--radius-md);
    margin-bottom: 24px;
}

.news-detail__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.news-detail__meta {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 32px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--color-border);
}

.news-detail__category {
    display: inline-block;
    padding: 4px 12px;
    background: var(--color-primary);
    color: #fff;
    border-radius: 4px;
    font-size: 13px;
}

.news-detail__date {
    color: var(--color-text-secondary);
    font-size: 14px;
}

.news-detail__body {
    font-size: 16px;
    line-height: 1.8;
    color: var(--color-text);
}

.news-detail__body p {
    margin-bottom: 20px;
}

.news-detail__back {
    max-width: 800px;
    margin: 40px auto 0;
}

/* --- Comparison Section (OEM vs JDM) --- */
.section--comparison {
    background: var(--color-surface);
    padding: 80px 0;
}

.comparison {
    width: 100%;
}

.comparison__title {
    text-align: center;
    font-size: 32px;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 12px;
}

.comparison__subtitle {
    text-align: center;
    font-size: 16px;
    color: var(--color-muted);
    margin-bottom: 48px;
}

.comparison__table-wrapper {
    background: var(--color-bg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

.comparison__table {
    width: 100%;
    border-collapse: collapse;
}

.comparison__table thead tr {
    background: var(--color-text);
}

.comparison__th--dim {
    color: #fff;
    font-weight: 600;
    font-size: 15px;
    padding: 18px 24px;
    text-align: center;
    width: 20%;
}

.comparison__th--oem {
    color: #fff;
    font-weight: 600;
    font-size: 15px;
    padding: 18px 24px;
    text-align: center;
    width: 40%;
}

.comparison__th--jdm {
    color: #fff;
    font-weight: 600;
    font-size: 15px;
    padding: 18px 24px;
    text-align: center;
    width: 40%;
}

.comparison__table tbody tr {
    border-bottom: 1px solid var(--color-border);
    transition: background var(--transition-fast);
}

.comparison__table tbody tr:last-child {
    border-bottom: none;
}

.comparison__table tbody tr:hover {
    background: var(--color-surface);
}

.comparison__table td {
    padding: 18px 24px;
    font-size: 15px;
    line-height: 1.6;
    color: var(--color-text);
    text-align: center;
}

.comparison__td--dim {
    font-weight: 600;
    color: var(--color-primary);
    background: var(--color-surface);
}

/* --- Final CTA Section --- */
.section--final-cta {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-hover) 100%);
    padding: 80px 0;
}

.final-cta {
    text-align: center;
    color: #fff;
}

.final-cta__title {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 16px;
}

.final-cta__subtitle {
    font-size: 18px;
    margin-bottom: 32px;
    opacity: 0.9;
}

.final-cta .btn--primary {
    background: #fff;
    color: var(--color-primary);
}

.final-cta .btn--primary:hover {
    background: var(--color-surface);
    color: var(--color-primary-hover);
}

/* --- Footer --- */
.footer {
    background: var(--color-text);
    color: #fff;
    padding: 60px 0 32px;
}

.footer__grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1.5fr;
    gap: 40px;
    margin-bottom: 48px;
}

.footer__logo {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
}

.footer__desc {
    font-size: 14px;
    color: #6B7280;
}

.footer__links h4,
.footer__contact h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 16px;
}

.footer__links ul,
.footer__contact ul {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.footer__links a {
    font-size: 14px;
    color: #6B7280;
    transition: color var(--transition-fast);
}

.footer__links a:hover {
    color: #fff;
}

.footer__contact li {
    font-size: 14px;
    color: #6B7280;
}

.footer__bottom {
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer__bottom p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
    margin: 0;
}

.footer__legal-links {
    display: flex;
    gap: 24px;
}

.footer__legal-links a {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
    transition: color var(--transition-fast);
}

.footer__legal-links a:hover {
    color: #fff;
}

/* --- Legal Pages --- */
.legal-content {
    padding: 40px 0;
}

.legal-update {
    font-size: 15px;
    color: var(--color-muted);
    line-height: 1.8;
    margin-bottom: 48px;
    padding-bottom: 32px;
    border-bottom: 1px solid var(--color-border);
}

.legal-section-title {
    font-size: 22px;
    font-weight: 600;
    color: var(--color-text);
    margin-top: 48px;
    margin-bottom: 20px;
}

.legal-section-title:first-of-type {
    margin-top: 0;
}

.legal-content p {
    font-size: 16px;
    line-height: 1.8;
    color: var(--color-text);
    margin-bottom: 16px;
}

.legal-content p strong {
    font-weight: 600;
    color: var(--color-text);
}

@media (max-width: 768px) {
    .legal-content {
        padding: 24px 0;
    }
    
    .legal-section-title {
        font-size: 18px;
        margin-top: 32px;
    }
    
    .legal-update {
        margin-bottom: 32px;
        padding-bottom: 24px;
    }
}

/* --- Responsive: Tablet --- */
@media (max-width: 1024px) {
    .header__nav {
        display: none;
    }
    
    .header__cta {
        display: none;
    }
    
    .header__menu-btn {
        display: flex;
    }

    .header__dropdown {
        position: static;
        transform: none;
        box-shadow: none;
        opacity: 1;
        visibility: visible;
        padding: 0 0 0 16px;
        min-width: auto;
        display: none;
    }

    .header__nav-item--open .header__dropdown {
        display: block;
    }

    .header__dropdown-link {
        padding: 8px 0;
        font-size: 14px;
    }

    .mobile-sub-toggle {
        display: flex;
        align-items: center;
        justify-content: space-between;
        width: 100%;
        cursor: pointer;
    }

    .mobile-sub-toggle::after {
        content: '+';
        font-size: 18px;
        font-weight: 300;
        transition: transform var(--transition-fast);
    }

    .header__nav-item--open .mobile-sub-toggle::after {
        content: '−';
    }
    
    .section__header {
        padding: 0 32px;
    }
    
    .timeline-carousel {
        padding: 40px 32px 20px;
    }
    
    .hero__title {
        font-size: 36px;
    }
    
    .hero__subtitle {
        font-size: 16px;
    }
    
    .solutions-panels {
        flex-direction: column;
        height: auto;
    }
    
    .solution-panel {
        height: 360px;
    }
    
    .solution-panel:hover {
        flex: 1;
    }
    
    .solution-panel__content {
        padding: 32px;
    }
    
    .solution-panel__title {
        font-size: 24px;
    }
    
    .solution-panel:hover .solution-panel__title {
        font-size: 24px;
    }
    
    .solution-panel__desc,
    .solution-panel__tags,
    .solution-panel__link {
        opacity: 1;
        max-height: none;
        margin-bottom: 12px;
        transform: none;
    }
    
    .manufacturing-showcase {
        grid-template-columns: 1fr;
    }
    
    .manufacturing-showcase__image {
        order: -1;
    }
    
    .proof-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .sustainability-showcase {
        gap: 40px;
    }
    
    .sustainability-showcase__image {
        height: 400px;
    }
    
    .news-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* --- Responsive: Mobile --- */
@media (max-width: 768px) {
    :root {
        --header-height: 64px;
    }
    
    html, body {
        overflow-x: hidden;
    }
    
    .container {
        max-width: 90%;
        width: 90%;
        padding: 0;
    }
    
    .section {
        padding: 60px 0;
    }
    
    .section__header {
        padding: 0 24px;
    }
    
    .section__title {
        font-size: 28px;
    }
    
    .section__subtitle {
        font-size: 16px;
    }
    
    .hero {
        min-height: 500px;
    }
    
    .hero__title {
        font-size: 28px;
    }
    
    .hero__subtitle {
        font-size: 15px;
    }
    
    .hero__actions {
        flex-direction: column;
    }
    
    .capability-list {
        grid-template-columns: 1fr;
    }
    
    .proof-grid {
        grid-template-columns: 1fr;
    }
    
    .sustainability-showcase {
        flex-direction: column;
    }
    
    .sustainability-showcase__image {
        flex: none;
        width: 100%;
        height: 300px;
    }
    
    .news-grid {
        grid-template-columns: 1fr;
    }
    
    .footer__grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .final-cta__title {
        font-size: 28px;
    }
}

/* --- Animation --- */
@media (prefers-reduced-motion: no-preference) {
    .fade-in {
        opacity: 0;
        transform: translateY(20px);
        transition: opacity 0.4s ease, transform 0.4s ease;
    }
    
    .fade-in.visible {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================
   Inner Pages Common Styles
   ============================================ */

/* --- Page Hero --- */
.page-hero {
    position: relative;
    height: 400px;
    display: flex;
    align-items: center;
    margin-top: var(--header-height);
    overflow: hidden;
}

.page-hero__bg {
    position: absolute;
    inset: 0;
    z-index: -1;
}

.page-hero__bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.page-hero__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(26, 26, 46, 0.7) 0%, rgba(26, 26, 46, 0.9) 100%);
}

.page-hero__content {
    position: relative;
    z-index: 1;
    color: #fff;
}

.page-hero__title {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 16px;
}

.page-hero__subtitle {
    font-size: 20px;
    opacity: 0.9;
}

/* --- Intro Section --- */
.intro-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.intro-text p {
    margin-bottom: 16px;
    color: var(--color-muted);
    line-height: 1.8;
}

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

.intro-image {
    border-radius: var(--radius-md);
    overflow: hidden;
}

.intro-image img {
    width: 100%;
    height: auto;
    max-height: 400px;
    object-fit: cover;
    display: block;
}

/* --- Global Layout --- */
.section--global {
    background: var(--color-surface);
}

.global-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    width: 100%;
    margin: 0 auto;
}

.global-card {
    background: #fff;
    border-radius: 8px;
    padding: 28px 24px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
    border: 1px solid var(--color-border);
    transition: all 0.3s ease;
}

.global-card:hover {
    box-shadow: 0 4px 12px rgba(216, 73, 55, 0.1);
    transform: translateY(-2px);
}

.global-card__header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.global-card__icon {
    width: 40px;
    height: 40px;
    background: var(--color-surface);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    flex-shrink: 0;
}

.global-card__icon svg {
    width: 20px;
    height: 20px;
}

.global-card__title {
    display: flex;
    flex-direction: column;
}

.global-card__title .cn {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-text);
}

.global-card__title .en {
    font-size: 13px;
    color: var(--color-muted);
    margin-top: 2px;
}

.global-card__desc {
    display: flex;
    flex-direction: column;
    margin-bottom: 12px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--color-border);
}

.global-card__desc .cn {
    font-size: 14px;
    color: var(--color-text);
    line-height: 1.5;
}

.global-card__desc .en {
    font-size: 13px;
    color: var(--color-muted);
    margin-top: 4px;
    line-height: 1.4;
}

.global-card__address {
    font-size: 13px;
    color: var(--color-muted);
    line-height: 1.5;
}

/* --- Timeline --- */
.timeline-carousel {
    position: relative;
    width: 100%;
    max-width: 75%;
    margin: 0 auto;
    padding: 40px 48px 20px;
}

.timeline-carousel__viewport {
    overflow: hidden;
    padding: 20px 0 40px;
}

.timeline-carousel__track {
    display: flex;
    transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.timeline-slide {
    flex: 0 0 33.333%;
    padding: 0 16px;
    transition: all 0.6s ease;
}

.timeline-slide__card {
    background: var(--color-surface);
    border-radius: 8px;
    padding: 32px 28px 28px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
    border: 1px solid var(--color-border);
    border-left: 4px solid var(--color-primary);
    position: relative;
    transition: all 0.4s ease;
    opacity: 0.6;
    transform: scale(0.95);
}

.timeline-slide--active .timeline-slide__card {
    opacity: 1;
    transform: scale(1);
    box-shadow: 0 4px 12px rgba(216, 73, 55, 0.12);
    background: #fff;
}

.timeline-slide__year {
    display: inline-block;
    background: var(--color-primary);
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    padding: 6px 18px;
    border-radius: 4px;
    margin-bottom: 20px;
}

.timeline-slide__title {
    font-size: 20px;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 16px;
    line-height: 1.4;
}

.timeline-slide__desc {
    font-size: 15px;
    color: var(--color-muted);
    line-height: 1.7;
    margin-bottom: 20px;
}

.timeline-slide__product {
    background: #fdf2f0;
    border-radius: 6px;
    padding: 14px 16px;
    border-left: 3px solid var(--color-primary);
}

.timeline-slide__product span {
    display: block;
    font-size: 15px;
    font-weight: 600;
    color: var(--color-text);
}

.timeline-slide__product .en {
    font-size: 13px;
    font-weight: 400;
    color: var(--color-muted);
    margin-top: 6px;
}

.timeline-carousel__nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    padding-top: 10px;
}

.timeline-carousel__btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 1px solid var(--color-border);
    background: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    color: var(--color-muted);
}

.timeline-carousel__btn:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: #fdf2f0;
}

.timeline-carousel__btn svg {
    width: 18px;
    height: 18px;
}

.timeline-carousel__progress {
    display: flex;
    gap: 8px;
    align-items: center;
}

.timeline-carousel__bar {
    width: 32px;
    height: 3px;
    background: var(--color-border);
    border-radius: 2px;
    transition: all 0.3s ease;
    cursor: pointer;
}

.timeline-carousel__bar--active {
    background: var(--color-primary);
    width: 48px;
}

@media (max-width: 1024px) {
    .timeline-slide {
        flex: 0 0 50%;
    }
    
    .global-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .timeline-carousel {
        padding: 40px 24px 20px;
    }
    
    .timeline-slide {
        flex: 0 0 100%;
    }
    
    .timeline-slide__card {
        padding: 24px 20px 20px;
    }
    
    .timeline-slide__title {
        font-size: 18px;
    }
    
    .global-grid {
        grid-template-columns: 1fr;
    }
}

/* --- Culture Grid --- */
.culture-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.culture-card {
    background: var(--color-surface);
    padding: 40px 32px;
    border-radius: var(--radius-md);
    text-align: center;
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.culture-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.culture-card__icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 24px;
    color: var(--color-primary);
}

.culture-card__icon svg {
    width: 100%;
    height: 100%;
}

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

.culture-card p {
    font-size: 15px;
    color: var(--color-muted);
    line-height: 1.6;
    margin: 0;
}

/* --- Culture Carousel --- */
.culture-carousel {
    position: relative;
    width: 100%;
    min-height: 750px;
    overflow: hidden;
}

.culture-carousel__bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.culture-carousel__bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.culture-carousel__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(26, 26, 46, 0.92) 0%, rgba(26, 26, 46, 0.75) 100%);
}

.culture-carousel__content {
    position: relative;
    z-index: 1;
    max-width: 75%;
    margin: 0 auto;
    padding: 80px 48px;
    min-height: 750px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.culture-carousel__slides {
    position: relative;
    flex: 1;
    display: flex;
    align-items: center;
}

.culture-slide {
    position: absolute;
    left: 0;
    top: 35%;
    transform: translateY(-50%) translateX(-30px);
    width: 60%;
    opacity: 0;
    transition: opacity 0.6s ease, transform 0.6s ease;
    pointer-events: none;
}

.culture-slide.fade-in {
    opacity: 0;
    transform: translateY(-50%) translateX(-30px);
}

.culture-slide.fade-in.visible {
    opacity: 0;
    transform: translateY(-50%) translateX(-30px);
}

.culture-slide--active {
    opacity: 1 !important;
    transform: translateY(-50%) translateX(0) !important;
    pointer-events: auto;
}

.culture-slide__title {
    font-size: 56px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 24px;
    line-height: 1.2;
}

.culture-slide__desc {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.8;
    max-width: 600px;
}

.culture-carousel__nav {
    position: absolute;
    right: 48px;
    top: 50%;
    transform: translateY(-50%);
}

.culture-carousel__list {
    display: flex;
    flex-direction: column;
    gap: 20px;
    align-items: flex-end;
}

.culture-carousel__item {
    display: flex;
    align-items: center;
    gap: 16px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px 0;
    transition: all 0.3s ease;
}

.culture-carousel__item span:first-child {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.6);
    transition: color 0.3s ease;
    white-space: nowrap;
}

.culture-carousel__item--active span:first-child {
    color: #fff;
    font-weight: 600;
}

.culture-carousel__marker {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    transition: all 0.3s ease;
}

.culture-carousel__item--active .culture-carousel__marker {
    width: 6px;
    height: 24px;
    border-radius: 3px;
    background: #fff;
}

@media (max-width: 1024px) {
    .culture-carousel__content {
        padding: 60px 32px;
    }
    
    .culture-slide__title {
        font-size: 42px;
    }
    
    .culture-slide__desc {
        font-size: 16px;
    }
    
    .culture-carousel__nav {
        right: 32px;
    }
}

@media (max-width: 768px) {
    .culture-carousel {
        min-height: 600px;
    }
    
    .culture-carousel__content {
        padding: 40px 24px;
        min-height: 600px;
    }
    
    .culture-slide {
        width: 75%;
    }
    
    .culture-slide__title {
        font-size: 32px;
    }
    
    .culture-slide__desc {
        font-size: 15px;
    }
    
    .culture-carousel__nav {
        right: 24px;
    }
    
    .culture-carousel__item span:first-child {
        font-size: 14px;
    }
}

/* --- Factory Marquee --- */
.section--factory {
    padding: 80px 0 80px;
    overflow: hidden;
}

.section--factory .container {
    max-width: 75%;
    margin: 0 auto;
    padding: 0 48px;
}

.factory-marquee {
    position: relative;
    margin-top: 40px;
}

.factory-marquee__mask {
    position: absolute;
    top: 0;
    bottom: 0;
    width: 120px;
    z-index: 2;
    pointer-events: none;
}

.factory-marquee__mask--left {
    left: 0;
    background: linear-gradient(to right, #fff 0%, rgba(255,255,255,0) 100%);
}

.factory-marquee__mask--right {
    right: 0;
    background: linear-gradient(to left, #fff 0%, rgba(255,255,255,0) 100%);
}

.factory-marquee__row {
    overflow: hidden;
    margin-bottom: 16px;
}

.factory-marquee__row:last-child {
    margin-bottom: 0;
}

.factory-marquee__track {
    display: flex;
    gap: 16px;
    width: max-content;
}

.factory-marquee__row--left .factory-marquee__track {
    animation: marqueeScrollLeft 20s linear infinite;
}

.factory-marquee__row--right .factory-marquee__track {
    animation: marqueeScrollRight 20s linear infinite;
}

.factory-marquee__item {
    flex: 0 0 320px;
    height: 220px;
    border-radius: 8px;
    overflow: hidden;
}

.factory-marquee__item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

@keyframes marqueeScrollLeft {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

@keyframes marqueeScrollRight {
    0% { transform: translateX(-50%); }
    100% { transform: translateX(0); }
}

@media (max-width: 1024px) {
    .section--factory .container {
        padding: 0 32px;
    }
    
    .factory-marquee__mask {
        width: 80px;
    }
    
    .factory-marquee__item {
        flex: 0 0 260px;
        height: 180px;
    }
}

@media (max-width: 768px) {
.section--factory {
    padding: 80px 0 60px;
    overflow: hidden;
}
    
    .section--factory .container {
        padding: 0 24px;
    }
    
    .factory-marquee__mask {
        width: 40px;
    }
    
    .factory-marquee__item {
        flex: 0 0 220px;
        height: 150px;
    }
    
    .factory-marquee__row--left .factory-marquee__track,
    .factory-marquee__row--right .factory-marquee__track {
        animation-duration: 15s;
    }
}

/* --- Detail Section (Solutions / Manufacturing) --- */
.section--detail {
    background: var(--color-bg);
}

.section--detail:nth-child(even) {
    background: var(--color-surface);
}

.detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.section--detail--reverse .detail-grid {
    direction: rtl;
}

.section--detail--reverse .detail-grid > * {
    direction: ltr;
}

.detail-image {
    border-radius: var(--radius-md);
    overflow: hidden;
}

.detail-image img {
    width: 100%;
    height: auto;
    display: block;
}

.detail-content__label {
    display: inline-block;
    font-size: 14px;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 12px;
    letter-spacing: 1px;
}

.detail-content__title {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--color-text);
}

.detail-content p {
    font-size: 16px;
    color: var(--color-muted);
    line-height: 1.8;
    margin-bottom: 24px;
}

.detail-content__list {
    list-style: none;
    padding: 0;
    margin: 0 0 32px 0;
}

.detail-content__list li {
    position: relative;
    padding-left: 20px;
    margin-bottom: 12px;
    font-size: 15px;
    color: var(--color-text);
    line-height: 1.6;
}

.detail-content__list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--color-primary);
}

.detail-content__en {
    font-size: 14px;
    color: var(--color-muted);
    line-height: 1.6;
    margin-bottom: 24px;
    font-style: italic;
}

.oem-products {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-bottom: 24px;
}

.oem-product {
    background: var(--color-surface);
    border-radius: var(--radius-md);
    padding: 16px;
    text-align: center;
}

.oem-product__title {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 4px;
}

.oem-product__desc {
    font-size: 13px;
    color: var(--color-muted);
    margin-bottom: 12px;
}

.oem-product img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-sm);
}

/* --- JDM Cards Section --- */
.section--jdm-cards {
    background: var(--color-surface);
    padding: 80px 0;
}

.jdm-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 48px;
}

.jdm-header__label {
    display: inline-block;
    font-size: 14px;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 12px;
    letter-spacing: 1px;
}

.jdm-header__title {
    font-size: 32px;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 16px;
}

.jdm-header__desc {
    font-size: 16px;
    color: var(--color-muted);
    line-height: 1.8;
    margin-bottom: 8px;
}

.jdm-header__en {
    font-size: 14px;
    color: var(--color-muted);
    line-height: 1.6;
    font-style: italic;
}

.jdm-card-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 40px;
}

.jdm-card {
    background: var(--color-bg);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.jdm-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.jdm-card__image {
    width: 100%;
    aspect-ratio: 4 / 3;
    overflow: hidden;
    background: var(--color-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
}

.jdm-card__image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.jdm-card__content {
    padding: 20px;
    text-align: center;
}

.jdm-card__title {
    font-size: 20px;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 6px;
}

.jdm-card__desc {
    font-size: 14px;
    color: var(--color-muted);
}

.jdm-cta {
    text-align: center;
}

/* --- OEM Cards Section --- */
.section--oem-cards {
    background: var(--color-bg);
    padding: 80px 0;
}

.oem-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 48px;
}

.oem-header__label {
    display: inline-block;
    font-size: 14px;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 12px;
    letter-spacing: 1px;
}

.oem-header__title {
    font-size: 32px;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 16px;
}

.oem-header__desc {
    font-size: 16px;
    color: var(--color-muted);
    line-height: 1.8;
}

.oem-card-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 40px;
}

.oem-card {
    background: var(--color-surface);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.oem-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.oem-card__image {
    width: 100%;
    aspect-ratio: 4 / 3;
    overflow: hidden;
    background: var(--color-surface);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
}

.oem-card__image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.oem-card__content {
    padding: 20px;
    text-align: center;
}

.oem-card__title {
    font-size: 20px;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 6px;
}

.oem-card__desc {
    font-size: 14px;
    color: var(--color-muted);
}

.oem-cta {
    text-align: center;
}

/* --- Detail Content Full Width --- */
.detail-content--full {
    max-width: 1000px;
    margin: 0 auto;
}

.detail-content .btn {
    margin-top: 8px;
}

/* --- ESG Bento Grid --- */
.section--esg-bento {
    background: var(--color-surface);
}

.esg-bento {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: auto auto;
    gap: 20px;
}

.esg-card {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    min-height: 280px;
    cursor: default;
}

.esg-card--wide {
    grid-column: span 2;
}

.esg-card--tall {
    grid-row: span 2;
}

.esg-card__bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.esg-card__bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.esg-card:hover .esg-card__bg img {
    transform: scale(1.05);
}

.esg-card__overlay {
    position: absolute;
    inset: 0;
    z-index: 1;
    background: linear-gradient(135deg, rgba(26, 26, 46, 0.88) 0%, rgba(26, 26, 46, 0.55) 100%);
    transition: background var(--transition-base);
}

.esg-card:hover .esg-card__overlay {
    background: linear-gradient(135deg, rgba(26, 26, 46, 0.92) 0%, rgba(26, 26, 46, 0.65) 100%);
}

.esg-card__content {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    height: 100%;
    padding: 32px;
    color: #fff;
}

.esg-card__number {
    font-size: 48px;
    font-weight: 800;
    color: var(--color-primary);
    opacity: 0.35;
    line-height: 1;
    margin-bottom: 12px;
    font-family: monospace;
    transition: opacity var(--transition-base);
}

.esg-card:hover .esg-card__number {
    opacity: 0.7;
}

.esg-card__title {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 12px;
    color: #fff;
}

.esg-card--wide .esg-card__title {
    font-size: 26px;
}

.esg-card__desc {
    font-size: 14px;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.65);
    margin: 0;
    max-width: 480px;
}

.esg-card--wide .esg-card__desc {
    max-width: 560px;
}

.esg-card:nth-child(1) {
    grid-column: 1 / 3;
    grid-row: 1;
}

.esg-card:nth-child(2) {
    grid-column: 3;
    grid-row: 1;
}

.esg-card:nth-child(3) {
    grid-column: 4;
    grid-row: 1;
}

.esg-card:nth-child(4) {
    grid-column: 1;
    grid-row: 2;
}

.esg-card:nth-child(5) {
    grid-column: 2 / 4;
    grid-row: 2;
}

.esg-card:nth-child(6) {
    grid-column: 4;
    grid-row: 2;
}

/* --- Responsive: Tablet --- */
@media (max-width: 1024px) {
    .page-hero {
        height: 320px;
    }
    
    .page-hero__title {
        font-size: 36px;
    }
    
    .comparison__table th,
    .comparison__table td {
        padding: 14px 16px;
        font-size: 14px;
        text-align: center;
    }
    
    .oem-card-grid,
    .jdm-card-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 16px;
    }
    
    .oem-card__content,
    .jdm-card__content {
        padding: 16px;
    }
    
    .intro-grid,
    .detail-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .section--detail--reverse .detail-grid {
        direction: ltr;
    }
    
    .culture-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .esg-bento {
        grid-template-columns: repeat(2, 1fr);
        grid-template-rows: auto;
    }
    
    .esg-card:nth-child(1),
    .esg-card:nth-child(2),
    .esg-card:nth-child(3),
    .esg-card:nth-child(4),
    .esg-card:nth-child(5),
    .esg-card:nth-child(6) {
        grid-column: auto;
        grid-row: auto;
    }
    
    .esg-card:nth-child(1),
    .esg-card:nth-child(5) {
        grid-column: span 2;
    }
    
    .esg-card {
        min-height: 240px;
    }
}

/* --- Responsive: Mobile --- */
@media (max-width: 768px) {
    .page-hero {
        height: 280px;
    }
    
    .page-hero__title {
        font-size: 28px;
    }
    
    .page-hero__subtitle {
        font-size: 16px;
    }
    
    .comparison__title {
        font-size: 24px;
    }
    
    .comparison__table-wrapper {
        overflow-x: auto;
    }
    
    .comparison__table {
        min-width: 600px;
    }
    
    .comparison__table th,
    .comparison__table td {
        padding: 12px 14px;
        font-size: 13px;
        text-align: center;
    }
    
    .oem-card-grid,
    .jdm-card-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .section__title--left {
        text-align: center;
    }
    
    .culture-grid {
        grid-template-columns: 1fr;
    }
    
    .detail-content__title {
        font-size: 24px;
    }
    
    .esg-bento {
        grid-template-columns: 1fr;
    }
    
    .esg-card:nth-child(1),
    .esg-card:nth-child(5) {
        grid-column: auto;
    }
    
    .esg-card {
        min-height: 220px;
    }
    
    .esg-card__content {
        padding: 24px;
    }
    
    .esg-card__number {
        font-size: 36px;
    }
    
    .esg-card__title {
        font-size: 20px;
    }
    
    .esg-card--wide .esg-card__title {
        font-size: 22px;
    }
}

/* ============================================
   News List Page Styles
   ============================================ */

.news-filter {
    display: flex;
    gap: 12px;
    margin-bottom: 32px;
    flex-wrap: wrap;
}

.news-filter__btn {
    padding: 8px 24px;
    border: 1px solid var(--color-border);
    border-radius: 20px;
    background: var(--color-bg);
    color: var(--color-text);
    font-size: 14px;
    cursor: pointer;
    transition: all var(--transition-base);
}

.news-filter__btn:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.news-filter__btn--active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: #fff;
}

.news-list-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.news-list-item {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.news-list-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.news-list-item__image {
    aspect-ratio: 16 / 9;
    overflow: hidden;
}

.news-list-item__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-base);
}

.news-list-item:hover .news-list-item__image img {
    transform: scale(1.05);
}

.news-list-item__content {
    padding: 24px;
}

.news-list-item__meta {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.news-list-item__category {
    font-size: 12px;
    font-weight: 600;
    color: var(--color-primary);
    background: rgba(216, 73, 55, 0.1);
    padding: 4px 8px;
    border-radius: 4px;
}

.news-list-item__date {
    font-size: 13px;
    color: var(--color-muted);
}

.news-list-item__title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--color-text);
    line-height: 1.4;
}

.news-list-item__excerpt {
    font-size: 14px;
    color: var(--color-muted);
    line-height: 1.6;
    margin-bottom: 16px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-list-item__link {
    font-size: 14px;
    font-weight: 500;
    color: var(--color-primary);
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.news-list-item__link .arrow {
    transition: transform var(--transition-fast);
}

.news-list-item__link:hover .arrow {
    transform: translateX(4px);
}

/* ============================================
   Careers Page Styles
   ============================================ */

.positions-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.position-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px 32px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    cursor: pointer;
    pointer-events: none;
    transition: box-shadow var(--transition-base), border-color var(--transition-base);
}

.position-item:hover {
    box-shadow: var(--shadow-sm);
    border-color: var(--color-primary);
}

.position-item__info {
    flex: 1;
    pointer-events: auto;
}

.position-item__title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--color-text);
}

.position-item__tags {
    display: flex;
    gap: 8px;
}

.position-item .tag {
    font-size: 12px;
    padding: 4px 12px;
    background: var(--color-surface);
    color: var(--color-muted);
    border-radius: 20px;
}

.position-item__btn {
    pointer-events: auto;
}

/* ============================================
   Contact Page Styles
   ============================================ */

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
}

.contact-info__title {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--color-text);
}

.contact-info__desc {
    font-size: 16px;
    color: var(--color-muted);
    margin-bottom: 32px;
    line-height: 1.6;
}

.contact-info {
    display: flex;
    flex-direction: column;
    align-self: stretch;
}

.contact-info__items {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

#mapWrapper {
    margin-top: auto;
    transform: translateY(40px);
}

.contact-info__item {
    display: flex;
    gap: 16px;
}

.contact-info__icon {
    width: 48px;
    height: 48px;
    flex-shrink: 0;
    color: var(--color-primary);
    background: rgba(216, 73, 55, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.contact-info__icon svg {
    width: 24px;
    height: 24px;
}

.contact-info__content h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 4px;
    color: var(--color-text);
}

.contact-info__content p {
    font-size: 15px;
    color: var(--color-muted);
    margin: 0;
}

.contact-form-wrapper {
    background: var(--color-surface);
    padding: 40px;
    border-radius: var(--radius-md);
}

.contact-form__title {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--color-text);
}

.contact-form__desc {
    font-size: 15px;
    color: var(--color-muted);
    margin-bottom: 32px;
}

.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--color-text);
}

.form-input,
.form-textarea {
    width: 100%;
    padding: 12px 16px;
    font-size: 15px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-bg);
    color: var(--color-text);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    font-family: inherit;
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(216, 73, 55, 0.1);
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
}

.btn--full {
    width: 100%;
}

/* --- Responsive: Tablet --- */
@media (max-width: 1024px) {
    .news-list-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .contact-form-wrapper {
        padding: 32px;
    }
}

/* --- Responsive: Mobile --- */
@media (max-width: 768px) {
    .positions-list {
        grid-template-columns: 1fr;
    }
    
    .position-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
        padding: 20px;
    }
    
    .position-item .btn {
        width: 100%;
        text-align: center;
    }
    
    .contact-form-wrapper {
        padding: 24px;
    }
}

/* ============================================
   Modal Styles
   ============================================ */

.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.modal.active {
    display: flex;
}

.modal__overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
}

.modal__content {
    position: relative;
    background: #fff;
    border-radius: var(--radius-lg);
    max-width: 720px;
    width: 100%;
    max-height: 85vh;
    overflow-y: auto;
    padding: 40px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal__close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-surface);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    color: var(--color-muted);
    transition: all 0.2s ease;
}

.modal__close:hover {
    background: var(--color-border);
    color: var(--color-text);
}

.modal__body h2 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--color-text);
}

.modal__body .modal__tags {
    display: flex;
    gap: 8px;
    margin-bottom: 24px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--color-border);
}

.modal__body .modal__section {
    margin-bottom: 24px;
}

.modal__body .modal__section-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--color-text);
}

.modal__body .modal__section-content {
    color: var(--color-muted);
    line-height: 1.8;
}

.modal__body .modal__section-content ul {
    list-style: disc;
    padding-left: 20px;
}

.modal__body .modal__section-content li {
    margin-bottom: 8px;
}

.modal__body .modal__apply-btn {
    display: inline-block;
    margin-top: 24px;
    padding: 12px 32px;
    background: var(--color-primary);
    color: #fff;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    transition: background 0.2s ease;
}

.modal__body .modal__apply-btn:hover {
    background: var(--color-primary-dark);
}

@media (max-width: 768px) {
    .modal {
        padding: 16px;
    }
    
    .modal__content {
        padding: 24px;
    }
}

/* ============================================
   企业荣誉板块
   ============================================ */

.section--honors {
    background: var(--color-surface);
    padding: 100px 0;
}

.honor-block {
    margin-bottom: 48px;
}

.honor-block:last-child {
    margin-bottom: 0;
}

.honor-block-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 24px;
    padding-left: 16px;
    border-left: 4px solid var(--color-primary);
}

.honor-table-wrap {
    overflow-x: auto;
    background: var(--color-bg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.honor-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 15px;
}

.honor-table thead {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
}

.honor-table th {
    padding: 16px 20px;
    text-align: left;
    color: #fff;
    font-weight: 500;
    white-space: nowrap;
}

.honor-table td {
    padding: 14px 20px;
    border-bottom: 1px solid var(--color-border);
    color: var(--color-text);
}

.honor-table tbody tr:last-child td {
    border-bottom: none;
}

.honor-table tbody tr:hover {
    background: rgba(216, 73, 55, 0.04);
}

.honor-tag {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 500;
}

.honor-tag.national {
    background: rgba(216, 73, 55, 0.12);
    color: var(--color-primary);
}

.honor-tag.provincial {
    background: rgba(59, 130, 246, 0.12);
    color: #3b82f6;
}

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

.honor-ip-card {
    background: var(--color-bg);
    border-radius: var(--radius-md);
    padding: 32px 24px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.honor-ip-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.honor-ip-number {
    font-size: 48px;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1;
}

.honor-ip-suffix {
    font-size: 24px;
    font-weight: 600;
    color: var(--color-primary);
}

.honor-ip-label {
    margin-top: 12px;
    font-size: 14px;
    color: var(--color-muted);
    line-height: 1.6;
}

.honor-partner-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.honor-partner-card {
    background: var(--color-bg);
    border-radius: var(--radius-md);
    padding: 28px 20px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.honor-partner-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.honor-partner-field {
    font-size: 18px;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 12px;
}

.honor-partner-desc {
    font-size: 14px;
    color: var(--color-muted);
    line-height: 1.6;
}

@media (max-width: 1024px) {
    .honor-ip-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .honor-partner-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .section--honors {
        padding: 60px 0;
    }
    
    .honor-ip-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .honor-partner-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .honor-table th,
    .honor-table td {
        padding: 12px 14px;
        font-size: 14px;
    }
    
    .honor-ip-number {
        font-size: 36px;
    }
}

/* ============================================
   Capabilities Page Styles
   ============================================ */

/* --- Sub Navigation --- */
.cap-subnav {
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: var(--header-height);
    z-index: 99;
}

.cap-subnav__inner {
    display: flex;
    gap: 8px;
    padding: 16px 0;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}

.cap-subnav__inner::-webkit-scrollbar {
    display: none;
}

.cap-subnav__link {
    display: inline-block;
    padding: 8px 20px;
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 24px;
    white-space: nowrap;
    transition: all var(--transition-fast);
}

.cap-subnav__link:hover {
    color: var(--color-primary);
    border-color: var(--color-primary);
    background: rgba(216, 73, 55, 0.04);
}

.cap-subnav__link--active {
    color: #fff;
    background: var(--color-primary);
    border-color: var(--color-primary);
    pointer-events: none;
}

/* --- Section Alternate Background --- */
.section--alt {
    background: var(--color-surface);
}

/* --- Card Grid --- */
.cap-card-grid {
    display: grid;
    gap: 24px;
}

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

.cap-card-grid--3 {
    grid-template-columns: repeat(3, 1fr);
}

.cap-card-grid--4 {
    grid-template-columns: repeat(4, 1fr);
}

/* --- Card --- */
.cap-card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 28px 24px;
    transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.cap-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.cap-card--center {
    text-align: center;
}

.cap-card__title {
    font-size: 18px;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 12px;
}

.cap-card__title--primary {
    color: var(--color-primary);
}

.cap-card__desc {
    font-size: 14px;
    color: var(--color-muted);
    line-height: 1.7;
}

/* --- Tab Bar --- */
.cap-tab-bar {
    display: flex;
    gap: 4px;
    border-bottom: 2px solid var(--color-border);
    margin-bottom: 36px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}

.cap-tab-bar::-webkit-scrollbar {
    display: none;
}

.cap-tab-link {
    padding: 12px 24px;
    font-size: 15px;
    font-weight: 500;
    color: var(--color-muted);
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    cursor: pointer;
    white-space: nowrap;
    transition: all var(--transition-fast);
    font-family: var(--font-family);
}

.cap-tab-link:hover {
    color: var(--color-text);
}

.cap-tab-link--active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}

/* --- Tab Content --- */
.cap-tab-content {
    display: none;
}

.cap-tab-content--active {
    display: block;
}

/* --- Capabilities Responsive --- */
@media (max-width: 1024px) {
    .cap-card-grid--4 {
        grid-template-columns: repeat(2, 1fr);
    }

    .cap-card-grid--3 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .cap-card-grid--2,
    .cap-card-grid--3,
    .cap-card-grid--4 {
        grid-template-columns: 1fr;
    }

    .cap-tab-link {
        padding: 10px 16px;
        font-size: 14px;
    }

    .cap-subnav__inner {
        padding: 12px 0;
    }

    .cap-subnav__link {
        padding: 6px 16px;
        font-size: 13px;
    }
}

/* ============================================================
   Contact Page - Tab Styles
   ============================================================ */

.contact-tab-wrapper {
    width: 100%;
}

.contact-tab-bar {
    display: flex;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--color-bg);
    margin-bottom: 32px;
}

.contact-tab-link {
    flex: 1;
    padding: 14px 16px;
    text-align: center;
    font-size: 14px;
    font-weight: 600;
    color: var(--color-muted);
    background: var(--color-bg);
    border-right: 1px solid var(--color-border);
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
    user-select: none;
}

.contact-tab-link:last-child {
    border-right: none;
}

.contact-tab-link:hover {
    color: var(--color-primary);
    background: var(--color-bg-gray);
}

.contact-tab-link.active {
    background: var(--color-primary);
    color: #FFFFFF;
}

.contact-tab-content {
    display: none;
    animation: contactTabFadeIn 0.3s ease;
}

.contact-tab-content.active {
    display: block;
}

@keyframes contactTabFadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

.contact-form-frame {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 40px;
    box-shadow: var(--shadow-md);
}

.contact-info-simple {
    display: flex;
    flex-direction: column;
    gap: 16px;
    text-align: center;
    color: var(--color-muted);
    line-height: 1.8;
}

.contact-info-simple a {
    color: var(--color-primary);
    font-weight: 600;
    text-decoration: none;
}

.contact-info-simple a:hover {
    text-decoration: underline;
}

.form-row {
    display: flex;
    gap: 20px;
}

.form-row .form-group {
    flex: 1;
}

@media (max-width: 1024px) {
    .contact-tab-bar {
        flex-wrap: wrap;
    }

    .contact-tab-link {
        flex: 1 1 40%;
        border-right: none;
        border-bottom: 1px solid var(--color-border);
    }

    .contact-tab-link:nth-last-child(-n+2) {
        border-bottom: none;
    }
}

@media (max-width: 768px) {
    .contact-tab-link {
        flex: 1 1 100%;
        border-right: none;
        border-bottom: 1px solid var(--color-border);
    }

    .contact-tab-link:last-child {
        border-bottom: none;
    }

    .contact-form-frame {
        padding: 24px;
    }

    .form-row {
        flex-direction: column;
        gap: 20px;
    }
}