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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
}

ul, ol {
    list-style: none;
}

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

/* ===== Container ===== */
.container {
    width: 96%;
    max-width: 1600px;
    margin: 0 auto;
}

/* ===== Header ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: #fff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

/* Logo */
.logo img {
    height: 50px;
    width: auto;
}

/* Navigation */
.nav {
    flex: 1;
    display: flex;
    justify-content: flex-end;
    padding-right: 60px;
}

.nav-list {
    display: flex;
    gap: 60px;
}

.nav-list a {
    display: block;
    padding: 10px 0;
    font-size: 16px;
    color: #333;
    position: relative;
    transition: color 0.3s ease;
}

.nav-list a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background-color: #004199;
    transition: width 0.3s ease;
}

.nav-list a:hover,
.nav-list a.active {
    color: #004199;
}

.nav-list a:hover::after,
.nav-list a.active::after {
    width: 100%;
}

/* Submenu */
.has-submenu {
    position: relative;
}

.has-submenu > a::after {
    display: none;
}

.submenu {
    display: none;
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    background-color: #fff;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
    border-radius: 4px;
    min-width: 150px;
    padding: 10px 0;
    z-index: 100;
}

.has-submenu:hover .submenu {
    display: block;
}

.submenu li a {
    display: block;
    padding: 10px 20px;
    font-size: 14px;
    color: #333;
    white-space: nowrap;
    transition: all 0.3s ease;
}

.submenu li a:hover {
    color: #004199;
    background-color: #f5f5f5;
}

.submenu li a::after {
    display: none;
}

/* Phone */
.header-phone {
    display: flex;
    align-items: flex-start;
}

.phone-info {
    display: flex;
    flex-direction: column;
    line-height: 1.3;
}

.phone-top {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #004199;
    margin-bottom: 4px;
}

.tel-icon {
    width: 16px;
    height: 16px;
    filter: brightness(0) saturate(100%) invert(12%) sepia(97%) saturate(2377%) hue-rotate(199deg) brightness(96%) contrast(98%);
}

.phone-info .label {
    font-size: 14px;
    color: #004199;
    font-weight: 500;
}

.phone-info .number {
    font-size: 22px;
    font-weight: bold;
    color: #333;
}

/* Menu Toggle (Mobile) */
.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 20px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
}

.menu-toggle span {
    display: block;
    width: 100%;
    height: 3px;
    background-color: #333;
    border-radius: 2px;
    transition: all 0.3s ease;
}

/* ===== Banner ===== */
.banner {
    position: relative;
    width: 100%;
    overflow: hidden;
    margin-top: 80px;
}

.banner-slider {
    position: relative;
    width: 100%;
    height: calc(100vh - 80px);
}

.banner-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.8s ease, visibility 0.8s ease;
}

.banner-slide.active {
    opacity: 1;
    visibility: visible;
}

.banner-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Banner Pagination */
.banner-pagination {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 10;
}

.pagination-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all 0.3s ease;
}

.pagination-dot:hover,
.pagination-dot.active {
    background-color: #fff;
    transform: scale(1.2);
}

/* ===== Main Content ===== */
.main-content {
    padding: 60px 0;
}

.section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    font-size: 36px;
    font-weight: bold;
    margin-bottom: 20px;
    color: #333;
}

.section-desc {
    text-align: center;
    color: #666;
    font-size: 16px;
}

/* ===== Products Section ===== */
.products-section {
    background-color: #fff;
    padding: 60px 0;
}

.products-title-wrap {
    position: relative;
    display: inline-block;
}

.products-title {
    font-size: 32px;
    font-weight: bold;
    color: #333;
    white-space: nowrap;
    position: relative;
    z-index: 1;
}

.title-circle {
    position: absolute;
    top: 0;
    right: -15px;
    width: 35px;
    height: 35px;
    border-radius: 50%;
    background: linear-gradient(225deg, #7fb5ff 0%, #ffffff 100%);
    z-index: 0;
}

.products-header {
    display: flex;
    align-items: center;
    gap: 30px;
    margin-bottom: 60px;
}

.products-right {
    display: flex;
    align-items: center;
    gap: 40px;
    margin-left: auto;
}

.products-title {
    font-size: 32px;
    font-weight: bold;
    color: #333;
    white-space: nowrap;
}

.products-categories {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
    flex: 1;
}

.category-item {
    padding: 8px 0;
    padding-right: 30px;
    color: #666;
    font-size: 16px;
    transition: all 0.3s ease;
    position: relative;
}

.category-item::after {
    content: '';
    position: absolute;
    right: 5px;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: linear-gradient(225deg, #7fb5ff 0%, #ffffff 100%);
    opacity: 0;
    transition: all 0.3s ease;
    pointer-events: none;
}

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

.category-item.active::after {
    opacity: 1;
}

.category-item:hover {
    color: #004098;
}

.category-item.active {
    color: #004098;
}

.products-more {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 24px;
    background-color: #004098;
    border: 1px solid #004098;
    border-radius: 25px;
    color: #fff;
    font-size: 14px;
    white-space: nowrap;
    transition: all 0.3s ease;
}

.products-more:hover {
    background-color: #003377;
    border-color: #003377;
}

.more-arrow {
    transition: transform 0.3s ease;
}

.products-more:hover .more-arrow {
    transform: translateX(4px);
}

/* 产品卡片网格 */
.products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.product-card {
    display: block;
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    background-color: #fff;
}

.product-image {
    position: relative;
    width: 100%;
    padding-top: 100%;
    overflow: hidden;
}

.product-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.product-card:hover .product-image img {
    transform: scale(1.1);
}

.product-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 15px;
    background-color: rgba(211, 211, 211, 0.9);
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color 0.3s ease;
}

.product-card:hover .product-info {
    background-color: #004098;
}

.product-name {
    font-size: 16px;
    font-weight: 500;
    color: #333;
    margin: 0;
}

.product-arrow {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    border: 1px solid #004098;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #004098;
    font-size: 14px;
    font-weight: bold;
    text-align: center;
    line-height: 21px;
    transition: all 0.3s ease;
}

.product-card:hover .product-name {
    color: #fff;
}

.product-card:hover .product-arrow {
    border-color: #fff;
    color: #fff;
}

/* ===== About Section ===== */
.about-section {
    background-color: #f5f5f5;
    background-image: url('../img/jjbj.jpg');
    background-position: bottom center;
    background-size: cover;
    background-repeat: no-repeat;
    padding: 60px 0;
}

.about-wrapper {
}

.about-header {
}

.about-title-wrap {
    position: relative;
    display: inline-block;
}

.about-title {
    font-size: 32px;
    font-weight: bold;
    color: #333;
    white-space: nowrap;
    position: relative;
    z-index: 1;
}

.about-circle {
    position: absolute;
    top: 0;
    right: -15px;
    width: 35px;
    height: 35px;
    border-radius: 50%;
    background: linear-gradient(225deg, #7fb5ff 0%, #ffffff 100%);
    z-index: 0;
}

.about-content {
    display: flex;
    gap: 40px;
    align-items: flex-start;
}

.about-left {
    flex: 1;
    padding-top: 60px;
    padding-right: 60px;
}

.about-company-name {
    font-size: 24px;
    font-weight: bold;
    color: #004098;
    margin-bottom: 20px;
}

.about-desc {
    font-size: 15px;
    color: #666;
    line-height: 1.8;
    margin-bottom: 15px;
    text-align: justify;
}

.about-more {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 24px;
    background-color: #004098;
    border: 1px solid #004098;
    border-radius: 25px;
    color: #fff;
    font-size: 14px;
    white-space: nowrap;
    transition: all 0.3s ease;
    margin-top: 20px;
}

.about-more:hover {
    background-color: #003377;
    border-color: #003377;
}

.about-right {
    flex: 1;
    margin-right: calc(-50vw + 50%);
    width: 50vw;
    overflow: visible;
}

.about-right img {
    width: 100%;
    height: auto;
    display: block;
}

/* ===== Choose Section ===== */
.choose-section {
    background-color: #fff;
    padding: 60px 0;
}

.choose-header {
    text-align: center;
    margin-bottom: 40px;
}

.choose-title-wrap {
    position: relative;
    display: inline-block;
}

.choose-title {
    font-size: 32px;
    font-weight: bold;
    color: #333;
    white-space: nowrap;
    position: relative;
    z-index: 1;
}

.choose-circle {
    position: absolute;
    top: 0;
    right: -15px;
    width: 35px;
    height: 35px;
    border-radius: 50%;
    background: linear-gradient(225deg, #7fb5ff 0%, #ffffff 100%);
    z-index: 0;
}

.choose-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 80px;
}

.choose-card {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    aspect-ratio: 1 / 1;
    cursor: pointer;
}

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

.choose-card-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, rgba(0,0,0,0.7), rgba(1,1,1,0.7));
    opacity: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 30px;
    transition: opacity 0.4s;
}

.choose-card-overlay-num {
    font-size: 50px;
    font-weight: 900;
    color: rgba(255,255,255,0.3);
    margin-bottom: 16px;
    line-height: 1;
}

.choose-card-overlay p {
    color: #fff;
    font-size: 18px;
    line-height: 1.9;
    text-align: center;
}

.choose-card-content {
    position: absolute;
    inset: 0;
    padding: 30px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    z-index: 2;
}

.choose-card-num {
    font-size: 120px;
    font-weight: 900;
    color: rgba(255,255,255,0.9);
    text-shadow: 0 2px 8px rgba(0,0,0,0.3);
    line-height: 1;
    opacity: 0.3;
}

.choose-card-names {
    position: absolute;
    bottom: 20px;
    left: 20px;
    right: 20px;
    z-index: 2;
}

.choose-card-cn {
    display: block;
    font-size: 28px;
    font-weight: 700;
    color: #fff;
    text-shadow: 0 2px 6px rgba(0,0,0,0.4);
}

.choose-card-en {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: rgba(255,255,255,0.85);
    text-shadow: 0 1px 4px rgba(0,0,0,0.4);
    margin-top: 4px;
    letter-spacing: 1px;
}

.choose-card:hover img {
    transform: scale(1.08);
}

.choose-card:hover .choose-card-overlay {
    opacity: 1;
}

.choose-card:hover .choose-card-content {
    opacity: 0;
}

/* ===== Field Section ===== */
.field-section {
    position: relative;
    padding: 70px 0 80px;
    background-color: #ffffff;
    color: #333333;
    overflow: hidden;
}

.field-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    z-index: 1;
}

.field-overlay {
    position: relative;
    z-index: 2;
}

.field-header {
    display: flex;
    align-items: center;
    margin-bottom: 30px;
}

.field-title-wrap {
    position: relative;
    display: inline-block;
}

.field-title {
    font-size: 32px;
    font-weight: bold;
    color: #fff;
    white-space: nowrap;
    position: relative;
    z-index: 1;
}

.field-title-circle {
    position: absolute;
    top: 0;
    right: -15px;
    width: 35px;
    height: 35px;
    border-radius: 50%;
    background: linear-gradient(315deg, rgba(127, 181, 255, 1) 0%, rgba(255, 255, 255, 0) 100%);
    z-index: 0;
}

.field-title-en {
    display: none;
}

.field-title-zh {
    display: none;
}

.field-layout {
    display: flex;
    align-items: stretch;
    gap: 0;
}

.field-main {
    position: relative;
    flex: 1.4;
    min-width: 0;
}

.field-photo {
    position: relative;
    width: 100%;
    overflow: hidden;
}

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

.field-desc {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    padding: 18px 26px 22px;
    background: linear-gradient(to top, rgba(0, 67, 126, 0.95), rgba(0, 67, 126, 0.7), transparent);
    color: #fff;
}

.field-desc-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 8px;
}

.field-desc-text {
    font-size: 14px;
    line-height: 1.9;
}

.field-tabs {
    flex: 0 0 340px;
    display: flex;
    flex-direction: column;
}

.field-tab {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    padding: 18px 20px;
    position: relative;
    background-color: rgba(255, 255, 255, 0.9);
    border: none;
    cursor: pointer;
    text-align: left;
    transform-origin: right center;
    transition: background-color 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.field-tab + .field-tab {
    margin-top: 0;
}

.field-tab-text {
    display: flex;
    flex-direction: column;
    gap: 4px;
    align-items: center;
    text-align: center;
}

.field-tab.active .field-tab-text,
.field-tab:hover .field-tab-text,
.field-tab:focus-visible .field-tab-text {
    align-items: flex-start;
    text-align: left;
}

.field-tab-zh {
    font-size: 18px;
    font-weight: 600;
    color: #000000;
}

.field-tab-en {
    display: none;
    font-size: 14px;
    color: #666666;
}

.field-tab-icon {
    display: none;
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
}

.field-tab-icon img {
    width: 72px;
    height: 72px;
    display: block;
}

.field-tab.active,
.field-tab:hover,
.field-tab:focus-visible {
    background-color: #004098;
    color: #ffffff;
    justify-content: flex-start;
    align-items: center;
    transform: scaleX(1.1);
}

.field-tab.active .field-tab-zh,
.field-tab:hover .field-tab-zh,
.field-tab:focus-visible .field-tab-zh {
    color: #ffffff;
}

.field-tab.active .field-tab-en,
.field-tab:hover .field-tab-en,
.field-tab:focus-visible .field-tab-en {
    display: block;
    color: rgba(255, 255, 255, 0.85);
}

.field-tab.active .field-tab-icon,
.field-tab:hover .field-tab-icon,
.field-tab:focus-visible .field-tab-icon {
    display: block;
}

.field-tab:focus-visible {
    outline: 2px solid rgba(3, 117, 190, 0.7);
    outline-offset: 2px;
}

/* ===== Contact Bar ===== */
.contact-bar {
    display: flex;
    align-items: center;
    gap: 40px;
    margin-top: 50px;
    border-top: 1px solid rgba(255,255,255,0.2);
    position: relative;
}

.contact-bar::after {
    content: "";
    position: absolute;
    top: 50%;
    left: calc(66.6667% - 20px);
    transform: translateY(-50%);
    width: 2px;
    height: 60%;
    background: #004098;
}

.contact-bar__left {
    flex: 2;
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding-right: 60px;
}

.contact-bar__title {
    font-size: 32px;
    font-weight: 700;
    color: #004098;
    line-height: 1.7;
}

.contact-bar__line2 {
    font-size: 20px;
    color: #333;
    line-height: 1.5;
    margin: 0;
}

.contact-bar__right {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 24px;
}

.contact-bar__info {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.contact-bar__label {
    font-size: 16px;
    color: #004098;
}

.contact-bar__phone {
    font-size: 14px;
    font-weight: 700;
    color: #004098;
    line-height: 1.4;
}

    .contact-bar__phone span {
        font-size: 32px;
    }

.contact-bar__btn {
    display: inline-block;
    padding: 10px 24px;
    background: linear-gradient(to bottom, #0007ac, #0054f9);
    color: #fff;
    text-decoration: none;
    border-radius: 0;
    font-size: 14px;
    font-weight: 600;
    text-align: center;
    transition: opacity 0.3s, transform 0.3s;
}

.contact-bar__btn:hover {
    opacity: 0.9;
    transform: translateY(-2px);
}

.contact-bar__img img {
    width: 120px;
    height: auto;
    object-fit: contain;
}

@media (max-width: 768px) {
    .choose-grid {
        gap: 20px;
    }
}

@media (max-width: 576px) {
    .choose-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    .contact-bar {
        flex-direction: column;
        align-items: center;
        gap: 16px;
    }
    .contact-bar::after {
        display: none;
    }
    .contact-bar__left,
    .contact-bar__right {
        flex: unset;
        width: 100%;
    }
    .contact-bar__left {
        text-align: center;
        padding-right: 0;
    }
    .contact-bar__right {
        flex-direction: row;
        align-items: center;
        justify-content: center;
        gap: 12px;
    }
    .contact-bar__title {
        font-size: 18px;
    }
    .contact-bar__line2 {
        font-size: 16px;
    }
    .contact-bar__phone {
        font-size: 12px;
    }
    .contact-bar__phone span:last-child {
        font-size: 18px;
    }
    .contact-bar__img img {
        width: 80px;
    }
}

/* ===== Footer ===== */
.footer {
    background-color: #172988;
    background-image: url('../img/fbj.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    color: #fff;
    padding: 60px 0 0 0;
    margin-top: 0;
    position: relative;
    overflow: hidden;
}

.footer-bg {
    display: none;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    position: relative;
    z-index: 1;
    gap: 80px;
}

.footer-left {
    flex: 0 0 auto;
}

.footer-logo {
    max-width: 280px;
    height: auto;
    margin-bottom: 20px;
    filter: brightness(0) invert(1);
}

.footer-info {
    color: #fff;
    line-height: 1.8;
}

.footer-company-name {
    font-size: 26px;
    font-weight: bold;
    margin-bottom: 10px;
}

.footer-info p {
    font-size: 16px;
    margin: 5px 0;
}

.footer-qrcode {
    text-align: center;
    flex: 0 0 auto;
    align-self: center;
}

.footer-right {
    flex: 0 0 auto;
}

.footer-menus {
    display: flex;
    gap: 80px;
}

.footer-menu-column {
    flex: 0 0 auto;
}

.qrcode-image {
    width: 130px;
    height: 130px;
    background-color: #fff;
    padding: 10px;
    margin-bottom: 10px;
}

.qrcode-text {
    font-size: 16px;
    color: #fff;
    margin: 0;
}

.footer-menu-title {
    font-size: 20px;
    font-weight: bold;
    margin-bottom: 15px;
    color: #fff;
}

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

.footer-menu-list li {
    margin-bottom: 10px;
}

.footer-menu-list a {
    color: #fff;
    text-decoration: none;
    font-size: 16px;
    transition: color 0.3s;
}

.footer-menu-list a:hover {
    color: #e50011;
}

.footer-bottom {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px 0;
    margin-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    position: relative;
    z-index: 1;
}

.footer-bottom p {
    margin: 0;
    color: #fff;
    font-size: 14px;
    text-align: center;
}

.footer-bottom p a {
    color: #fff;
    text-decoration: none;
}

.footer-bottom p a:hover {
    text-decoration: underline;
}

/* ===== Responsive - Tablet ===== */
@media screen and (max-width: 1200px) {
    .banner-slider {
        position: relative;
        height: 500px;
        width: 100%;
        overflow: hidden;
    }

    .banner-slide {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 500px;
        overflow: hidden;
    }

    .banner-slide img {
        width: 100%;
        height: 500px;
        object-fit: cover;
    }
}

@media screen and (max-width: 1024px) {
    .header-inner {
        height: 70px;
    }

    .logo img {
        height: 40px;
    }

    .nav-list {
        gap: 25px;
    }

    .nav-list a {
        font-size: 15px;
    }

    .phone-info .number {
        font-size: 16px;
    }

    .banner {
        margin-top: 70px;
    }

    .section-title {
        font-size: 30px;
    }

    .products-title {
        font-size: 28px;
    }

    .products-header {
        gap: 20px;
        margin-bottom: 30px;
    }

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

    .products-more {
        display: none;
    }
}

/* ===== Responsive - Mobile ===== */
@media screen and (max-width: 768px) {
    .menu-toggle {
        display: flex;
        z-index: 1001;
    }

    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 70%;
        max-width: 300px;
        height: 100vh;
        background-color: #fff;
        box-shadow: -5px 0 20px rgba(0, 0, 0, 0.1);
        justify-content: flex-start;
        transition: right 0.3s ease;
    }

    .nav.active {
        right: 0;
    }

    .nav-list {
        flex-direction: column;
        padding: 100px 30px 30px;
        gap: 0;
    }

    .nav-list li {
        border-bottom: 1px solid #eee;
    }

    .nav-list a {
        display: block;
        padding: 15px 0;
        font-size: 16px;
    }

    .has-submenu > a {
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .submenu {
        display: none;
        position: static;
        transform: none;
        box-shadow: none;
        padding: 0 0 0 20px;
        background-color: #f9f9f9;
    }

    .has-submenu:hover .submenu,
    .has-submenu.active .submenu {
        display: block;
    }

    .submenu li a {
        padding: 12px 15px;
    }

    .header-phone {
        display: flex;
        align-items: center;
        margin-right: 20px !important;
        margin-left: auto;
    }

    .header-phone .phone-info {
        display: flex;
        align-items: center;
        line-height: 1;
        gap: 5px;
        flex-direction: row;
    }

    .header-phone .phone-top {
        display: flex;
        align-items: center;
        gap: 5px;
    }

    .header-phone .phone-top .label {
        display: none;
    }

    .header-phone .number {
        font-size: 18px;
    }

    .header-phone .tel-icon {
        width: 18px;
        height: 18px;
    }

    .header-phone.mobile-show {
        display: flex;
    }

    .banner {
        margin-top: 60px;
    }

    .banner-slider {
        height: 350px;
    }

    .banner-slide {
        height: 350px;
    }

    .banner-slide img {
        height: 350px;
    }

    .banner-pagination {
        bottom: 20px;
    }

    .section {
        padding: 50px 0;
    }

    .section-title {
        font-size: 26px;
    }

    .section-desc {
        font-size: 14px;
    }

    .products-section {
        padding: 40px 0;
    }

    .products-header {
        flex-wrap: wrap;
        gap: 15px;
    }

    .products-title {
        font-size: 24px;
        width: 100%;
    }

    .products-right {
        width: 100%;
        justify-content: space-between;
        flex-wrap: wrap;
        gap: 15px;
    }

    .products-categories {
        gap: 8px;
        justify-content: flex-start;
    }

    .category-item {
        padding: 6px 14px;
        padding-right: 14px;
        font-size: 15px;
    }

    .category-item::after {
        display: none;
    }

    .products-more {
        display: none;
    }

    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }

    .product-info {
        padding: 12px;
    }

    .product-name {
        font-size: 14px;
    }

    .about-section {
        padding: 40px 0;
    }

    .about-title {
        font-size: 24px;
    }

    .about-content {
        flex-direction: column;
        gap: 30px;
    }

    .about-left {
        padding-right: 0;
        padding-top: 30px;
    }

    .about-company-name {
        font-size: 20px;
    }

    .about-right {
        width: 100%;
        margin-right: 0;
    }

    .choose-section {
        padding: 40px 0;
    }

    .choose-title {
        font-size: 24px;
    }

    .choose-grid {
        grid-template-columns: 1fr;
        gap: 16px;
        padding-left: 0;
    }

    .field-section {
        padding: 40px 0 50px;
    }

    .field-title-en {
        font-size: 20px;
    }

    .field-title-zh {
        font-size: 20px;
    }

    .field-header {
        flex-direction: row;
        align-items: center;
        gap: 10px;
    }

    .field-title,
    .field-section .container {
        width: 100%;
        max-width: none;
        padding: 0 20px;
    }

    .field-title {
        font-size: 24px;
    }

    .field-layout {
        flex-direction: column;
        gap: 16px;
    }

    .field-main {
        width: 100%;
    }

    .field-photo {
        height: 300px;
    }

    .field-photo img {
        height: 100%;
        object-fit: cover;
    }

    .field-tabs {
        flex-direction: row;
        flex-wrap: wrap;
        overflow-x: visible;
        padding-bottom: 4px;
        gap: 0;
    }

    .field-tab {
        flex: 0 0 100%;
        min-width: 0;
        padding: 0 12px;
        height: 76px;
        overflow: hidden;
        transform: none;
    }

    .field-tab.active,
    .field-tab:hover {
        transform: none;
    }

    .field-tab-text {
        align-items: center;
        text-align: center;
    }

    .field-tab.active .field-tab-text,
    .field-tab:hover .field-tab-text {
        align-items: center;
        text-align: center;
    }

    .field-tab-zh {
        font-size: 14px;
    }

    .field-tab-en {
        display: none;
        font-size: 12px;
    }

    .field-tab.active .field-tab-en,
    .field-tab:hover .field-tab-en {
        display: block;
    }

    .field-tab-icon {
        display: none !important;
    }

    .field-tab-icon img {
        width: 48px;
        height: 48px;
    }
}

/* ===== Responsive - Small Mobile ===== */
@media screen and (max-width: 480px) {
    .container {
        width: 94%;
    }

    .header-inner {
        height: 60px;
    }

    .logo img {
        height: 35px;
    }

    .banner-slider {
        height: 250px;
    }

    .banner-slide {
        height: 250px;
    }

    .banner-slide img {
        height: 250px;
    }

    .pagination-dot {
        width: 10px;
        height: 10px;
    }

    .section {
        padding: 40px 0;
    }

    .section-title {
        font-size: 22px;
    }

    .footer-content {
        flex-direction: column;
        gap: 30px;
    }

    .footer-qrcode {
        display: none;
    }

    .footer-right {
        display: none;
    }

    .footer-logo {
        max-width: 200px;
        margin-bottom: 15px;
    }

    .footer-company-name {
        font-size: 20px;
    }

    .footer-info p {
        font-size: 15px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 10px;
        text-align: center;
        align-items: center;
        justify-content: center;
        padding-top: 0;
        margin-top: 40px;
    }
}

/* ===== Overlay ===== */
.nav-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 999;
}

.nav-overlay.active {
    display: block;
}

/* ===== 新闻动态区 ===== */
.news-section {
    padding: 60px 0;
}

.news-wrapper {
    display: flex;
    gap: 20px;
}

.news-left {
    flex: 0 0 260px;
    min-width: 260px;
}

.news-title-wrap {
    position: relative;
    display: inline-block;
    margin-bottom: 30px;
}

.news-title {
    font-size: 32px;
    font-weight: bold;
    color: #333;
    white-space: nowrap;
    position: relative;
    z-index: 1;
}

.news-title-circle {
    position: absolute;
    top: 0;
    right: -15px;
    width: 35px;
    height: 35px;
    border-radius: 50%;
    background: linear-gradient(225deg, #7fb5ff 0%, #ffffff 100%);
    z-index: 0;
}

.news-tabs {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 50px;
}

.news-tab-item {
    font-size: 16px;
    color: #333;
    text-decoration: none;
    transition: color 0.3s;
}

.news-tab-item:hover {
    color: #004098;
}

.news-more-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 24px;
    background-color: #004098;
    border: 1px solid #004098;
    border-radius: 25px;
    color: #fff;
    font-size: 14px;
    white-space: nowrap;
    transition: all 0.3s ease;
    text-decoration: none;
    margin-top: 20px;
    width: fit-content;
    min-width: 140px;
}

.news-more-btn:hover {
    background-color: #003377;
    border-color: #003377;
}

.news-right {
    flex: 1;
    min-width: 0;
}

.news-scroll-container {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.news-scroll-container::-webkit-scrollbar {
    display: none;
}

.news-scroll-wrapper {
    display: flex;
    gap: 30px;
    will-change: transform;
}

.news-scroll-wrapper:hover {
    /* 由JS控制暂停 */
}

.news-card {
    flex: 0 0 420px;
    background-color: transparent;
    border-radius: 0;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: none;
    transition: transform 0.3s;
    text-decoration: none;
    color: inherit;
}

.news-card:hover {
    transform: translateY(-5px);
}

.news-card-image {
    width: 100%;
    height: auto;
    overflow: visible;
    background-color: #f0f0f0;
    border-radius: 0;
}

.news-card-image img {
    width: 100%;
    height: auto;
    object-fit: contain;
    display: block;
    transition: transform 0.3s;
}

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

.news-card-title {
    font-size: 18px;
    font-weight: 700;
    color: #333;
    margin: 16px 0 12px 0;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}

.news-card-desc {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
    margin: 0 0 16px 0;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}

.news-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-top: 1px solid #919191;
    border-bottom: 1px solid #919191;
    margin: 0;
}

.news-card:hover .news-card-footer {
    border-top-color: #004098;
    border-bottom-color: #004098;
}

.news-card-date {
    font-size: 13px;
    color: #666;
}

.news-card-link {
    font-size: 13px;
    color: #004098;
    text-decoration: none;
}

@media (max-width: 960px) {
    .news-section {
        padding: 40px 0;
    }

    .news-wrapper {
        flex-direction: column;
        gap: 20px;
    }

    .news-left {
        flex: 0 0 auto;
        width: 100%;
        min-width: 0;
    }

    .news-title-wrap {
        margin-bottom: 20px;
    }

    .news-title {
        font-size: 24px;
    }

    .news-tabs {
        flex-direction: row;
        gap: 20px;
        flex-wrap: wrap;
        margin-bottom: 20px;
    }

    .news-tab-item {
        font-size: 14px;
    }

    .news-more-btn {
        margin-top: 10px;
        padding: 8px 16px;
        font-size: 13px;
    }

    .news-scroll-container {
        margin-left: 0;
        padding-left: 0;
    }

    .news-scroll-wrapper {
        flex-direction: column;
        gap: 15px;
    }

    .news-card {
        flex: none;
        width: 100%;
    }

    .news-more-btn {
        display: none;
    }

    .news-card:nth-child(n+4) {
        display: none;
    }

    .news-card-image img {
        height: 180px;
        object-fit: cover;
    }

    .news-card-title {
        font-size: 16px;
        margin: 12px 16px 10px 16px;
    }

    .news-card-desc {
        font-size: 13px;
        margin: 0 16px 12px 16px;
    }

    .news-card-footer {
        padding: 10px 16px;
    }

    .news-card-date {
        font-size: 12px;
    }

    .news-card-link {
        font-size: 13px;
    }
}

/* Mobile nav open state */
body.nav-open {
    overflow: hidden;
}

/* ===== Page Banner ===== */
.page-banner {
    position: relative;
    width: 100%;
    height: 300px;
    overflow: hidden;
}

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

.page-banner-title-box {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
}

.page-banner-title {
    font-size: 32px;
    font-weight: bold;
    color: #fff;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}

/* ===== Breadcrumb ===== */
.page-breadcrumb {
    background-color: #f5f5f5;
    padding: 15px 0;
    font-size: 14px;
    color: #666;
}

.page-breadcrumb a {
    color: #666;
    text-decoration: none;
    transition: color 0.3s;
}

.page-breadcrumb a:hover {
    color: #004098;
}

.page-breadcrumb .separator {
    margin: 0 10px;
    color: #999;
}

.page-breadcrumb .current {
    color: #004098;
}

/* ===== Page Content ===== */
.page-content {
    padding: 60px 0;
}

.page-content-inner {
    display: flex;
    gap: 50px;
}

.page-sidebar {
    flex: 0 0 260px;
    min-width: 260px;
    padding: 20px;
    border: 1px solid #e0e0e0;
    background-color: #fff;
}

.sidebar-title {
    font-size: 18px;
    font-weight: bold;
    color: #004098;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid #004098;
}

.sidebar-nav {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sidebar-nav li {
    margin-bottom: 5px;
}

.sidebar-nav a {
    display: block;
    padding: 12px 20px;
    color: #333;
    text-decoration: none;
    border-radius: 5px;
    transition: all 0.3s;
}

.sidebar-nav a:hover {
    background-color: #f0f0f0;
    color: #004098;
}

.sidebar-nav li.active a {
    background-color: #004098;
    color: #fff;
}

.page-main {
    flex: 1;
    min-width: 0;
    padding: 30px;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    background-color: #fff;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.page-main-title {
    font-size: 24px;
    font-weight: bold;
    color: #333;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 1px solid #eee;
}

.page-main-title {
    font-size: 28px;
    font-weight: bold;
    color: #333;
    margin-bottom: 30px;
    padding-bottom: 15px;
    border-bottom: 1px solid #eee;
}

.page-text {
    line-height: 1.9;
    color: #555;
    font-size: 15px;
}

.page-text p {
    margin-bottom: 18px;
}

/* ===== Page Responsive ===== */
@media screen and (max-width: 960px) {
    .page-banner {
        height: 300px;
    }

    .page-banner-title {
        font-size: 32px;
    }

    .page-content-inner {
        flex-direction: column;
        gap: 30px;
    }

    .page-sidebar {
        flex: none;
        width: 100%;
    }

    .sidebar-nav {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
    }

    .sidebar-nav li {
        margin-bottom: 0;
    }

    .sidebar-nav a {
        padding: 8px 16px;
    }
}

@media screen and (max-width: 480px) {
    .page-banner {
        height: 200px;
    }

    .page-banner-title {
        font-size: 24px;
    }

    .page-breadcrumb {
        font-size: 12px;
        padding: 10px 0;
    }

    .page-content {
        padding: 30px 0;
    }

    .page-main-title {
        font-size: 22px;
    }

    .page-text {
        font-size: 14px;
    }
}

/* ===== Contact Section ===== */
.contact-section {
    padding: 60px 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
    margin-bottom: 50px;
}

.contact-card {
    background: #fff;
    border-radius: 12px;
    padding: 35px 25px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
}

.contact-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.12);
}

.contact-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, #004098 0%, #0066cc 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.contact-icon img {
    width: 35px;
    height: 35px;
    object-fit: contain;
}

.contact-icon svg {
    width: 35px;
    height: 35px;
    fill: #fff;
}

.contact-info h3 {
    font-size: 18px;
    color: #004098;
    margin-bottom: 12px;
    font-weight: bold;
}

.contact-info p {
    font-size: 14px;
    color: #666;
    line-height: 1.8;
    margin: 0;
}

.contact-map {
    background: #fff;
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
}

.contact-map h2 {
    font-size: 22px;
    color: #333;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid #004098;
}

.map-placeholder {
    height: 400px;
    background: linear-gradient(135deg, #f5f7fa 0%, #e4e8eb 100%);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #999;
    font-size: 16px;
}

/* ===== Contact Responsive ===== */
@media screen and (max-width: 960px) {
    .contact-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media screen and (max-width: 480px) {
    .contact-grid {
        grid-template-columns: 1fr;
    }

    .contact-card {
        padding: 25px 20px;
    }

    .map-placeholder {
        height: 300px;
    }

    .contact-section {
        padding: 30px 0;
    }
}

/* ===== Product List ===== */
.product-list-section {
    padding: 60px 0;
}

.product-list-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 40px;
}

.product-list-card {
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
    text-decoration: none;
}

.product-list-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.12);
}

.product-list-image {
    width: 100%;
    padding-bottom: 100%;
    height: 0;
    overflow: hidden;
    background: #f5f5f5;
    position: relative;
}

.product-list-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.product-list-card:hover .product-list-image img {
    transform: scale(1.05);
}

.product-list-card:hover .product-list-info h3 {
    color: #004098;
}

.product-list-info {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 15px;
    text-align: center;
    background: rgba(255,255,255,0.5);
}

.product-list-info h3 {
    font-size: 16px;
    color: #333;
    margin: 0;
    font-weight: bold;
}

.product-list-info p {
    display: none;
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin-top: 30px;
}

.pagination a {
    display: inline-block;
    padding: 8px 16px;
    border: 1px solid #ddd;
    border-radius: 4px;
    color: #333;
    text-decoration: none;
    font-size: 14px;
    transition: all 0.3s ease;
}

.pagination a:hover:not(.active):not(.disabled) {
    background: #004098;
    color: #fff;
    border-color: #004098;
}

.pagination a.active {
    background: #004098;
    color: #fff;
    border-color: #004098;
}

.pagination a.disabled,
.pagination a.disabled:hover {
    color: #ccc;
    cursor: not-allowed;
    border-color: #ddd;
    background: #f5f5f5;
}

/* ===== Product Detail ===== */
.product-detail-section {
    padding: 60px 0;
}

.product-detail-content {
    display: flex;
    gap: 40px;
    margin-bottom: 40px;
}

.product-detail-image {
    flex: 0 0 500px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

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

.product-detail-info {
    flex: 1;
}

.product-detail-info h2 {
    font-size: 28px;
    color: #333;
    margin-bottom: 15px;
    font-weight: bold;
}

.product-detail-desc {
    font-size: 16px;
    color: #666;
    line-height: 1.8;
    margin-bottom: 25px;
}

.product-detail-params {
    display: none;
}

.product-detail-inquiry {
    display: none;
}

.product-contact-box {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 25px;
    border-radius: 12px;
    border: 1px solid #e0e0e0;
}

.product-contact-box h3 {
    font-size: 18px;
    color: #004098;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid #004098;
    font-weight: bold;
}

.contact-item {
    display: flex;
    margin-bottom: 12px;
    font-size: 15px;
}

.contact-label {
    color: #666;
    flex: 0 0 70px;
}

.contact-value {
    color: #333;
    font-weight: 500;
}

.contact-btn {
    display: inline-block;
    width: 100%;
    padding: 12px 20px;
    background: #004098;
    color: #fff;
    text-decoration: none;
    border-radius: 6px;
    font-size: 16px;
    text-align: center;
    margin-top: 20px;
    transition: background 0.3s ease;
}

.contact-btn:hover {
    background: #003377;
}

.product-detail-text {
    background: #fff;
    border-radius: 8px;
    padding: 30px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
}

.product-detail-text h3 {
    font-size: 20px;
    color: #004098;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid #004098;
}

.product-detail-text p {
    font-size: 15px;
    color: #555;
    line-height: 1.9;
    margin-bottom: 15px;
}

/* Lightbox */
.lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.9);
    z-index: 9999;
    justify-content: center;
    align-items: center;
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 30px;
    font-size: 40px;
    color: #fff;
    cursor: pointer;
    line-height: 1;
}

.lightbox-content {
    max-width: 90%;
    max-height: 90%;
    object-fit: contain;
}

.lightbox-prev,
.lightbox-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    font-size: 50px;
    color: #fff;
    cursor: pointer;
    padding: 20px 15px;
    user-select: none;
    transition: background 0.3s;
}

.lightbox-prev {
    left: 20px;
}

.lightbox-next {
    right: 60px;
}

.lightbox-prev:hover,
.lightbox-next:hover {
    background: rgba(255,255,255,0.1);
    border-radius: 5px;
}

.lightbox-title {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    color: #fff;
    font-size: 18px;
    text-align: center;
    padding: 10px 30px;
    background: rgba(0,0,0,0.5);
    border-radius: 25px;
}

/* ===== Gallery ===== */
.gallery-section {
    padding: 60px 0;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
    margin-bottom: 40px;
}

.gallery-card {
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
    cursor: pointer;
}

.gallery-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.12);
}

.gallery-image {
    width: 100%;
    padding-bottom: 100%;
    height: 0;
    overflow: hidden;
    background: #f5f5f5;
    position: relative;
}

.gallery-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.gallery-card:hover .gallery-image img {
    transform: scale(1.05);
}

.gallery-title {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 12px;
    text-align: center;
    background: rgba(255,255,255,0.5);
    font-size: 14px;
    color: #333;
    font-weight: 500;
}

.gallery-card:hover .gallery-title {
    background: rgba(255,255,255,0.85);
}

/* Gallery Responsive */
@media screen and (max-width: 960px) {
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media screen and (max-width: 480px) {
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }

    .gallery-section {
        padding: 30px 0;
    }
}

/* ===== Article List ===== */
.article-list-section {
    padding: 60px 0;
}

.article-list {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.article-item {
    display: flex;
    gap: 25px;
    padding: 20px;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
    transition: all 0.3s ease;
    text-decoration: none;
}

.article-item:hover {
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transform: translateY(-3px);
}

.article-item .article-image {
    flex: 0 0 220px;
    height: 150px;
    border-radius: 6px;
    overflow: hidden;
}

.article-item .article-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.article-content {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.article-title {
    font-size: 18px;
    color: #333;
    margin-bottom: 10px;
    font-weight: 600;
    line-height: 1.4;
}

.article-item:hover .article-title {
    color: #1a73e8;
}

.article-meta {
    display: flex;
    gap: 20px;
    font-size: 13px;
    color: #999;
    margin-bottom: 10px;
}

.article-desc {
    font-size: 14px;
    color: #666;
    line-height: 1.8;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Article List Responsive */
@media screen and (max-width: 768px) {
    .article-item {
        flex-direction: column;
        gap: 15px;
    }

    .article-item .article-image {
        flex: 0 0 auto;
        width: 100%;
        height: 180px;
    }
}

@media screen and (max-width: 480px) {
    .article-list-section {
        padding: 30px 0;
    }

    .article-item {
        padding: 15px;
    }

    .article-item .article-image {
        height: 150px;
    }

    .article-title {
        font-size: 16px;
    }

    .article-detail {
        padding: 20px;
    }

    .article-detail-title {
        font-size: 20px;
    }

    .article-detail-meta {
        flex-wrap: wrap;
        gap: 10px;
    }

    .article-detail-nav {
        flex-direction: column;
        gap: 15px;
    }

    .article-detail-nav .article-prev,
    .article-detail-nav .article-next {
        max-width: 100%;
    }
}
.article-detail-section {
    padding: 60px 0;
}

.article-detail {
    background: #fff;
    padding: 30px 40px;
    border-radius: 8px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}

@media screen and (max-width: 768px) {
    .article-detail {
        padding: 20px;
    }
}

.article-detail-title {
    font-size: 26px;
    color: #333;
    margin-bottom: 15px;
    line-height: 1.4;
}

.article-detail-meta {
    display: flex;
    gap: 25px;
    font-size: 13px;
    color: #999;
    padding-bottom: 20px;
    border-bottom: 1px solid #eee;
    margin-bottom: 25px;
}

.article-detail-cover {
    margin-bottom: 30px;
    border-radius: 8px;
    overflow: hidden;
}

.article-detail-cover img {
    width: 100%;
    display: block;
}

.article-detail-content {
    font-size: 15px;
    color: #555;
    line-height: 2;
}

.article-detail-content p {
    margin-bottom: 20px;
}

.article-detail-tags {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid #eee;
    font-size: 13px;
    color: #666;
}

.article-detail-tags a {
    display: inline-block;
    padding: 3px 12px;
    margin-left: 8px;
    background: #f0f0f0;
    color: #666;
    border-radius: 3px;
    text-decoration: none;
    transition: background 0.3s;
}

.article-detail-tags a:hover {
    background: #1a73e8;
    color: #fff;
}

.article-detail-nav {
    display: flex;
    justify-content: space-between;
    margin-top: 25px;
    padding-top: 20px;
    border-top: 1px solid #eee;
    font-size: 14px;
}

.article-detail-nav .article-prev,
.article-detail-nav .article-next {
    max-width: 45%;
}

.article-detail-nav span {
    color: #999;
}

.article-detail-nav a {
    color: #333;
    text-decoration: none;
}

.article-detail-nav a:hover {
    color: #1a73e8;
}

/* ===== Product Responsive ===== */
@media screen and (max-width: 960px) {
    .product-list-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .product-detail-content {
        flex-direction: column;
    }

    .product-detail-image {
        flex: none;
        width: 100%;
        max-width: 400px;
        margin: 0 auto;
    }
}

@media screen and (max-width: 480px) {
    .product-list-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }

    .page-main {
        padding: 20px 15px;
    }

    .product-detail-inquiry {
        flex-direction: column;
        align-items: flex-start;
    }

    .product-list-section,
    .product-detail-section {
        padding: 30px 0;
    }
}