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

:root {
    --primary-red: #C70000;
    --dark-gray: #333333;
    --light-gray: #666666;
    --bg-gray: #F8F8F8;
    --white: #FFFFFF;
    --border-gray: #E0E0E0;
    --text-dark: #000000;
    --text-light: #666666;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1600px;
    width: 100%;
    margin: 0 auto;
}


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

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

ul {
    list-style: none;
}

button {
    border: none;
    background: none;
    cursor: pointer;
    font-family: inherit;
}

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

/* ============================================
   Header / Navigation
   ============================================ */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    padding:20px 0;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    margin: 0 auto;
    position: relative;
}

@media (max-width: 1440px) {
    .header-content {
        padding: 0;
    }
}

.logo {
    display: flex;
    align-items: center;
    font-size: 20px;
    font-weight: bold;
    color: var(--dark-gray);
    font-family: 'Poppins', sans-serif;
}

.logo-icon {
    display: inline-block;
    width: 35px;
    height: 35px;
    background: var(--primary-red);
    color: var(--white);
    border-radius: 4px;
    text-align: center;
    line-height: 35px;
    margin-right: 10px;
    font-weight: bold;
}
@media(max-width:768px){
    .logo img{
        max-height: 40px;
        max-width: 50vw;
    }
}
.main-nav ul {
    display: flex;
    gap: 35px;
    align-items: center;
    list-style: none;
    margin: 0;
    padding: 0;
}

.main-nav > ul > li {
    position: relative;
}

.main-nav > ul > li.has-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.main-nav a {
    color: var(--dark-gray);
    font-size: 20px;
    position: relative;
    padding: 5px 0;
    font-family: 'Poppins', sans-serif;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    transition: color 0.3s ease;
}

.main-nav a:hover,
.main-nav a.active {
    color: var(--primary-red);
}

.main-nav a.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--primary-red);
}

.main-nav .dropdown-icon {
    font-size: 12px;
    transition: transform 0.3s ease;
}

.main-nav .has-dropdown:hover .dropdown-icon {
    transform: rotate(180deg);
}

/* Dropdown Menu */
.main-nav .dropdown-menu:empty {
    display: none;
}

.main-nav .dropdown-menu {
    position: absolute;
    top: calc(100% + 5px);
    left: 0;
    background: var(--white);
    min-width: 200px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    list-style: none;
    margin: 0;
    padding: 10px 0;
    z-index: 1000;
    display: block;
}

.main-nav .dropdown-menu li {
    margin: 0;
    display: block;
    width: 100%;
    white-space: nowrap;
}

.main-nav .dropdown-menu a {
    display: block;
    padding: 12px 20px;
    font-size: 18px;
    color: var(--dark-gray);
    font-weight: 400;
    position: relative;
    transition: background-color 0.3s ease, color 0.3s ease;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.main-nav .dropdown-menu a::after {
    display: none;
}

.main-nav .dropdown-menu a:hover,
.main-nav .dropdown-menu a.active {
    color: var(--primary-red);
    background: rgba(229, 0, 18, 0.05);
}

/* Submenu (Third Level Menu) */
.main-nav .dropdown-menu li.has-submenu {
    position: relative;
}

.main-nav .dropdown-menu .submenu-icon {
    font-size: 12px;
    margin-left: auto;
    transition: transform 0.3s ease;
}

.main-nav .dropdown-menu li.has-submenu:hover .submenu-icon {
    transform: translateX(3px);
}

.main-nav .dropdown-menu .submenu {
    position: absolute;
    top: 0;
    left: calc(100% + 5px);
    background: var(--white);
    min-width: 200px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
    opacity: 0;
    visibility: hidden;
    transform: translateX(-10px);
    transition: all 0.3s ease;
    list-style: none;
    margin: 0;
    padding: 10px 0;
    z-index: 1001;
    display: block;
}

.main-nav .dropdown-menu li.has-submenu:hover .submenu {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
}

.main-nav .dropdown-menu .submenu li {
    margin: 0;
    display: block;
    width: 100%;
    white-space: nowrap;
}

.main-nav .dropdown-menu .submenu a {
    display: block;
    padding: 12px 20px;
    font-size: 18px;
    color: var(--dark-gray);
    font-weight: 400;
    position: relative;
    transition: background-color 0.3s ease, color 0.3s ease;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.main-nav .dropdown-menu .submenu a:hover,
.main-nav .dropdown-menu .submenu a.active {
    color: var(--primary-red);
    background: rgba(229, 0, 18, 0.05);
}

/* Adjust dropdown menu width when submenu exists */
.main-nav .dropdown-menu li.has-submenu > a {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-actions {
    display: flex !important;
    align-items: center;
    gap: 25px;
    flex-shrink: 0;
}

.language-selector {
    position: relative;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--white);
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'Poppins', sans-serif;
    white-space: nowrap;
    background: var(--primary-red);
    padding: 8px 15px;
    border-radius: 50px;
}

.language-selector:hover {
    background: #C4000F;
}

.language-selector .fa-globe {
    font-size: 14px;
}

.language-selector .fa-chevron-down {
    font-size: 10px;
    transition: transform 0.3s ease;
}

.language-selector.active .fa-chevron-down {
    transform: rotate(180deg);
}

.language-dropdown {
    position: absolute;
    top: calc(100% + 5px);
    right: 0;
    background: var(--white);
    border-radius: 5px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
    min-width: 150px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1000;
    overflow: hidden;
}

.language-selector.active .language-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-option {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 15px;
    color: var(--dark-gray);
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 14px;
    font-family: 'Poppins', sans-serif;
}

.lang-option:hover {
    background: var(--bg-gray);
    color: var(--primary-red);
}

.lang-option.active {
    background: rgba(229, 0, 18, 0.1);
    color: var(--primary-red);
}

.lang-option.active .fa-check {
    display: inline-block !important;
    color: var(--primary-red);
    font-size: 12px;
}


.mobile-menu-toggle {
    display: none;
    font-size: 24px;
    color: var(--dark-gray);
    cursor: pointer;
}

/* ============================================
   Hero Section
   ============================================ */
.hero-section {
    position: relative;
    margin-top: 0;
    padding-top: 0;
    overflow: hidden;
    width: 100%;
}

.hero-swiper {
    width: 100%;
    height: auto;
}

.hero-swiper .swiper-slide {
    position: relative;
}

.hero-slide-content {
    position: relative;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-image {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.3);
    z-index: 1;
}

.hero-content {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
    padding: 0 40px;
}

.hero-text {
    max-width: 1600px;
    width: 100%;
    text-align: left;
    color: var(--white);
    margin-top: 10vw;
}

.hero-text h1 {
    font-size: 72px;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
    text-shadow: 4px 4px 0px rgba(199, 0, 0, 0.6), 2px 2px 0px rgba(199, 0, 0, 0.4);
}

.hero-text p {
    font-size: 36px;
    font-weight: 500;
    margin-bottom: 40px;
}

/* Hero Text Animation */
.hero-title-animate,
.hero-description-animate,
.hero-button-animate {
    opacity: 0 !important;
    transform: translateY(30px) !important;
    transition: opacity 0.8s ease-in-out, transform 0.8s ease-in-out !important;
    will-change: opacity, transform;
}

.hero-title-animate.animate,
.hero-description-animate.animate,
.hero-button-animate.animate {
    opacity: 1 !important;
    transform: translateY(0) !important;
}

.btn-primary {
    background: var(--primary-red);
    color: var(--white);
    padding: 12px 50px;
    border-radius: 50px;
    font-size: 16px;
    display: inline-block;
    transition: all 0.3s ease;
    cursor: pointer;
}

.btn-primary:hover {
    background: #C4000F;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(229, 0, 18, 0.3);
}
.btn-primary i{
    transform: rotate(-45deg);
    margin-left: 10px;
    transition: all 0.3s ease;
}
.btn-primary:hover i{
    transform: rotate(0deg);
}
.btn-primary.btn2{
    font-size: 20px;
    padding: 20px 50px;
}
@media(max-width:768px){
    .btn-primary.btn2{
        font-size: 15px;
        padding: 12px 30px;
    }
}
.hero-pagination {
    position: absolute !important;
    bottom: 30px !important;
    left: 50% !important;
    transform: translateX(-50%) !important;
    z-index: 10;
    display: flex !important;
    justify-content: center !important;
    align-items: center !important;
    width: auto !important;
    text-align: center !important;
    right: auto !important;
    margin: 0 !important;
}

.hero-pagination.swiper-pagination,
.hero-swiper .swiper-pagination {
    left: 50% !important;
    transform: translateX(-50%) !important;
    width: auto !important;
    text-align: center !important;
    right: auto !important;
}

.hero-pagination .swiper-pagination-bullet {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    opacity: 1;
    transition: all 0.3s ease;
    margin: 0 5px;
    display: inline-block;
}

.hero-pagination .swiper-pagination-bullet-active {
    background: var(--primary-red);
    width: 30px;
    border-radius: 6px;
}
@media(max-width:768px){
    .hero-swiper .hero-pagination{
        bottom: 8px !important;
    }
    .hero-swiper .hero-pagination .swiper-pagination-bullet{
        width: 6px;
        height: 6px;
    }
    .hero-swiper .hero-pagination .swiper-pagination-bullet-active{
        width: 20px;
    }
}


/* ============================================
   Section Styles
   ============================================ */
section {
    padding: 80px 0;
}

.section-title {
    font-size: 64px;
    font-weight: 600;
    color: var(--text-dark);
    text-align: center;
    margin-bottom: 20px;
    letter-spacing: 1px;
    font-family: 'Poppins', sans-serif;
}

.section-title-left {
    font-size: 64px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 15px;
    font-family: 'Poppins', sans-serif;
}

.section-title-center {
    font-size: 64px;
    font-weight: 600;
    color: var(--text-dark);
    text-align: center;
    margin-bottom: 50px;
    font-family: 'Poppins', sans-serif;
}

.section-description {
    font-size: 22px;
    color: var(--text-dark);
    text-align: center;
    max-width: 1350px;
    margin: 0 auto 60px;
    line-height: 2.2;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 50px;
}

.section-header-left {
    flex: 1;
}

.section-subtitle {
    font-size: 22px;
    color: var(--text-dark);
    margin-top: 10px;
}
.cbg-t{
    position: absolute;
    top: -200px;
    right: -200px;
    z-index: 0;
}
.cbg-b{
    position: absolute;
    bottom: -200px;
    left: -200px;
    z-index: 0;
}
.cbg-t img,.cbg-b img{
    width: 900px;
}
/* ============================================
   Manufacturer Section
   ============================================ */
.manufacturer-section {
    position: relative;
    padding: 50px 0 100px;
}
.manufacturer-section .container{
    position: relative;
    z-index: 1;
}
.manufacturer-section .section-title {
    font-size: 52px;
    text-transform: uppercase;
    margin: 0 auto 30px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 50px 30px;
    margin-bottom: 70px;
}
@media (min-width: 1600px) {
    .features-grid {
        grid-template-columns: repeat(6, 1fr);
    }
}

.feature-item {
    text-align: center;
}

.feature-icon {
    width: 40px;
    height: 40px;
    margin: 0 auto 25px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    transition: all 0.3s ease;
}

.feature-item h3 {
    font-size: 18px;
    font-weight: 400;
    color: var(--text-dark);
    line-height: 1.6;
}

/* ============================================
   Product Category Section
   ============================================ */
.product-category-section {
    padding: 50px 0 100px;
}
@media screen and (max-width: 768px) {
    .product-category-section .btn-primary {
        display: none;
    }
}
.product-carousel-wrapper {
    position: relative;
    margin-top: 50px;
    width: 100%;
    overflow: visible; /* Show slides outside container */
}

.product-swiper {
    width: 100%;
    overflow: visible; /* Show slides outside container */
    padding: 20px 0;
    margin-left: 0;
    padding-left: 0;
}

.product-swiper .swiper-wrapper {
    align-items: stretch;
    user-select: none;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    will-change: transform;
    display: flex;
    cursor: grab;
}

/* All slides use the same style */
.product-swiper .swiper-slide {
    width: calc(50% - 15px);
    height: auto;
    margin-right: 30px;
}

/* Base styles for all slides */
.product-swiper .product-main-banner {
    position: relative;
    border-radius: 0 0 100px 0;
    overflow: hidden;
    height: auto;
    background: var(--white);
    width: 100%;
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

@media(max-width:768px){
    .product-swiper .product-main-banner {
        border-radius: 0 0 30px 0;
    }
}

/* Base styles for banner-image */
.product-swiper .banner-image {
    transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1), 
                height 0.6s cubic-bezier(0.4, 0, 0.2, 1),
                border-radius 0.6s cubic-bezier(0.4, 0, 0.2, 1),
                margin 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    transform-origin: center center;
    overflow: hidden;
}

.product-swiper .banner-image img {
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    transform-origin: center center;
    will-change: transform;
}

/* All slides image - full size */
.product-swiper .banner-image {
    position: relative;
    width: 100%;
    height: auto;
    z-index: 1;
    border-radius: 0;
    margin: 0;
}

.product-swiper .banner-image img {
    width: 100%;
    height: auto;
    object-fit: cover;
    display: block;
    transform: scale(1);
    border-radius: 0;
}

/* Base styles for banner-overlay */
.product-swiper .banner-overlay {
    transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1), visibility 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* All slides overlay */
.product-swiper .banner-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 40%;
    min-height: 200px;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.9) 0%, rgba(0, 0, 0, 0.4) 60%, transparent 100%);
    z-index: 2;
    pointer-events: none;
    opacity: 1;
    visibility: visible;
}

/* Base styles for banner-content */
.product-swiper .banner-content {
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* All slides content */
.product-swiper .banner-content {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 40px 50px 50px;
    z-index: 3;
    color: var(--white);
    pointer-events: auto;
}
@media(max-width:768px){
    .product-swiper .banner-content {
        padding: 20px 40px 20px 10px;
    }
}

/* Base styles for banner-title */
.banner-title {
    font-size: 42px;
    font-weight: 500;
    margin-bottom: 15px;
    line-height: 1.2;
    font-family: 'Poppins', sans-serif;
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* All slides title */
.product-swiper .banner-title {
    color: var(--white);
}

/* Base styles for banner-description */
.banner-description {
    font-size: 16px;
    line-height: 1.6;
    margin-bottom: 0;
    font-family: 'Poppins', sans-serif;
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* All slides description */
.product-swiper .banner-description {
    color: var(--white);
    opacity: 0.95;
}

/* All slides CTA button */
.product-swiper .banner-cta-btn {
    position: absolute;
    bottom: 40px;
    right: 50px;
    width: 56px;
    height: 56px;
    background: var(--primary-red);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    text-decoration: none;
    transition: all 0.3s ease;
    z-index: 4;
    border: none;
    cursor: pointer;
}
@media(max-width:768px){
    .product-swiper .banner-cta-btn {
        bottom: 20px;
        right: 10px;
        width: 30px;
        height: 30px;
    }
    .product-swiper .banner-cta-btn i {
        font-size: 12px;
    }
}

.banner-cta-btn:hover {
    background: #A50000;
    transform: scale(1.05);
}

.banner-cta-btn i {
    font-size: 18px;
    font-weight: 600;
    transform: rotate(-45deg);
}

/* Side Card Slide (1/3 width) */
.product-slide-card {
    height: auto;
}

.product-slide-card .product-side-card {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.product-side-card {
    background: var(--white);
    border-radius: 20px;
    padding: 35px 30px 30px;
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    height: 100%;
    min-height: 400px;
    align-items: center;
}

.product-side-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.side-card-image {
    width: 140px;
    height: 140px;
    border-radius: 50%;
    overflow: hidden;
    margin: 0 auto 30px;
    flex-shrink: 0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.side-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.side-card-content {
    flex: 1;
    text-align: center;
    width: 100%;
}

.side-card-content h4 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 12px;
    line-height: 1.4;
    font-family: 'Poppins', sans-serif;
}

.side-card-content p {
    font-size: 14px;
    color: var(--text-dark);
    line-height: 1.6;
    opacity: 0.8;
    font-family: 'Poppins', sans-serif;
}

/* Product Carousel Navigation Buttons */
.product-carousel-wrapper {
    position: relative;
}

.product-nav-next,
.product-nav-prev {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    background: var(--white);
    border-radius: 50%;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    color: var(--primary-red);
    transition: all 0.3s ease;
    cursor: pointer;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 700;
    border: none;
    outline: none;
}

.product-nav-next:after,
.product-nav-prev:after {
    content: '';
    display: block;
    width: 0;
    height: 0;
    border-style: solid;
}

.product-nav-next:after {
    border-width: 6px 0 6px 10px;
    border-color: transparent transparent transparent var(--primary-red);
    margin-left: 2px;
}

.product-nav-prev:after {
    border-width: 6px 10px 6px 0;
    border-color: transparent var(--primary-red) transparent transparent;
    margin-right: 2px;
}

.product-nav-next:hover,
.product-nav-prev:hover {
    background: var(--primary-red);
    transform: translateY(-50%) scale(1.1);
}

.product-nav-next:hover:after {
    border-color: transparent transparent transparent var(--white);
}

.product-nav-prev:hover:after {
    border-color: transparent var(--white) transparent transparent;
}

.product-nav-next {
    right: -25px;
}

.product-nav-prev {
    left: -25px;
}

.carousel-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 45px;
    height: 45px;
    background: var(--white);
    border-radius: 50%;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--dark-gray);
    font-size: 18px;
    z-index: 10;
    transition: all 0.3s ease;
}

.carousel-nav:hover {
    background: var(--primary-red);
    color: var(--white);
}

.carousel-nav.prev {
    left: -60px;
}

.carousel-nav.next {
    right: -60px;
}

/* ============================================
   Success Case Section
   ============================================ */
.success-case-section {
    background: var(--white);
    padding: 100px 0;
    position: relative;
}
.success-case-section::after{
    background: #f2f3f5;
    width: 100%;
    height: 60%;
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    z-index: 0;
}
.success-case-section .container-fluid{
    padding: 0 80px;
}
.case-carousel-wrapper {
    position: relative;
    z-index: 1;
}

.case-carousel {
    display: flex;
    gap: 40px;
    position: relative;
    z-index: 1;
}

.case-item {
    display: none;
    gap: 40px;
}

.case-item.active {
    display: flex;
}

.case-image {
    flex: 1;
    border-radius: 0 100px 0 0;
    overflow: hidden;
}

.case-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.case-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 20px 0;
}

.case-content h3 {
    font-size: 30px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 20px;
    line-height: 1.4;
}

.case-content p {
    font-size: 22px;
    color: var(--text-dark);
    line-height: 1.8;
    margin-bottom: 25px;
}

.case-link {
    color: #666;
    font-size: 20px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.case-link:hover {
    gap: 12px;
}

.case-pagination {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 40px;
    position: relative;
    z-index: 1;
}

.case-pagination .dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--border-gray);
    cursor: pointer;
    transition: all 0.3s ease;
}

.case-pagination .dot.active {
    background: var(--primary-red);
    width: 30px;
    border-radius: 6px;
}

/* ============================================
   Advantages Section
   ============================================ */
.advantages-section {
    padding: 100px 0;
    border-bottom: 1px solid #E5E5E5;
    position: relative;
}
.advantages-section .cbg-t{
    top: -200px;
    left: 200px;
    z-index: 0;
}
.advantages-section .container{
    position: relative;
    z-index: 1;
}
.advantages-content {
    display: flex;
    gap: 60px;
    align-items: center;
    width: 100%;
    overflow: hidden;
}

.advantages-text {
    flex: 0 0 40%;
    max-width: 40%;
    min-width: 0;
    overflow: hidden;
    padding-left: 30px;
}

@media (min-width: 1441px) {
    .advantages-text {
        padding-left: max(30px, calc((100vw - 1600px) / 2));
    }
}

.advantages-intro {
    font-size: 16px;
    color: var(--text-light);
    margin-bottom: 30px;
    line-height: 1.8;
}

.advantages-list {
    list-style: none;
}

.advantages-list li {
    font-size: 30px;
    color: var(--text-dark);
    padding: 30px 0;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    border-bottom: 1px solid transparent;
}

.advantages-list li:hover,
.advantages-list li.active {
    color: var(--primary-red);
    border-bottom: 1px solid var(--primary-red);
}

.advantages-image {
    flex: 1;
    min-width: 0;
    overflow: hidden;
    margin-right: 0;
}

.advantages-image-wrapper {
    position: relative;
    width: 100%;
    max-width: 100%;
    border-radius: 0 0 0 100px;
    overflow: hidden;
    display: none;
    transition: opacity 0.4s ease;
}

.advantages-image-wrapper.active {
    display: block;
}

.advantages-image-wrapper img {
    width: 100%;
    max-width: 100%;
    height: auto;
    object-fit: cover;
    display: block;
}

.advantages-overlay {
    display: none;
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    padding: 40px 20px 40px 80px;
    color: var(--white);
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-end;
    gap: 20px;
    backdrop-filter: blur(5px);
-webkit-backdrop-filter: blur(5px);
}

.overlay-content {
    flex: 0 1 auto;
    min-width: 0;
}

.overlay-content h3 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 15px;
}

.overlay-content p {
    font-size: 18px;
    line-height: 1.8;
}

.advantages-number {
    font-size: 120px;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.1);
    line-height: 1;
    flex-shrink: 0;
}

/* ============================================
   Video Section
   ============================================ */
.video-section {
    background: url(../images/video-bg.png) no-repeat bottom center;
    padding: 150px 0 200px;
    position: relative;
    overflow: hidden;
}

.video-content {
    display: flex;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.video-text {
    flex: 1;
}

.video-description {
    font-size: 18px;
    color: var(--text-light);
    margin: 20px 0 40px;
    line-height: 1.8;
}

.video-preview {
    flex: 1;
}

.video-wrapper {
    position: relative;
    border-radius: 10px;
    overflow: hidden;
}

.video-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.video-play-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100px;
    height: 100px;
    background: var(--primary-red);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 36px;
    transition: all 0.3s ease;
    z-index: 2;
}

.video-play-button:hover {
    transform: translate(-50%, -50%) scale(1.1);
    box-shadow: 0 10px 30px rgba(229, 0, 18, 0.5);
}

/* ============================================
   Video Modal
   ============================================ */
.video-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.video-modal.active {
    opacity: 1;
    visibility: visible;
}

.video-modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    cursor: pointer;
}

.video-modal-content {
    position: relative;
    width: 90%;
    max-width: 1200px;
    z-index: 10001;
    transform: scale(0.9);
    transition: transform 0.3s ease;
}

.video-modal.active .video-modal-content {
    transform: scale(1);
}

.video-modal-close {
    position: absolute;
    top: -50px;
    right: 0;
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 24px;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 10002;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.video-modal-close:hover {
    background: var(--primary-red);
    border-color: var(--primary-red);
    transform: rotate(90deg);
}

.video-modal-player {
    width: 100%;
    height: auto;
    border-radius: 10px;
    display: block;
    background: #000;
}

@media (max-width: 768px) {
    .video-modal-content {
        width: 95%;
    }
    
    .video-modal-close {
        top: -40px;
        width: 40px;
        height: 40px;
        font-size: 20px;
    }
}

/* ============================================
   About Section
   ============================================ */
.about-section {
    background: #fff;
    padding: 0;
    position: relative;
}
.about-section .container-fluid{
    position: relative;
    z-index: 1;
}
.about-section .cbg-t{
    top: -200px;
    right: 200px;
    z-index: 0;
}
.about-card {
    overflow: hidden;
    display: flex;
    gap: 60px;
}

.about-image {
    flex: 1;
    position: relative;
    z-index: 1;
    border-radius: 0 100px 0 0;
    overflow: hidden;
}

.about-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.about-content {
    flex: 1;
    padding: 60px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.about-content h2 {
    font-size: 48px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 50px;
}

.about-content .desc {
    font-size: 20px;
    color: var(--text-dark);
    line-height: 2.2;
    margin-bottom: 40px;
}
.about-content .btn-primary{
    width: 200px;
    position: relative;
    z-index: 1;
    padding: 20px 0;
    text-align: center;
}
.logo-txt{
    font-size: 172px;
    font-weight: 600;
    color: #f2f3f5;
    position: relative;
}
.logo-txt span{
    white-space: nowrap;
    position: absolute;
    top: -60px;
    left: 0;
    line-height: 1;
    z-index: 0;
}
.about-stats {
    display: flex;
    gap: 40px;
    margin-top: 120px;
    justify-content: space-between;
    position: relative;
}
.about-stats::before {
    content: "";
    position: absolute;
    inset: -50px -50px -50px -250px;              /* 向外扩 12px */
    background: linear-gradient(135deg, #F2F3F5, #F2F3F5);
    border-radius: 0 200px 200px 0;       /* 圆角要比本体大 */
    z-index: 0;
}

.stat-icon {
    font-size: 48px;
    color: var(--primary-red);
    margin-bottom: 25px;
    text-align: left;
}
.stat-icon img{
    width: 36px;
}
.stat-number {
    font-size: 64px;
    font-weight: 600;
    color: var(--text-dark);
    line-height: 1;
    margin-bottom: 20px;
}

.stat-label {
    font-size: 16px;
    color: #333;
}

/* ============================================
   Partner Section
   ============================================ */
.partner-section {
    background: linear-gradient(to top, #f2f3f4, #ffffff);
    padding: 100px 0;
}

.partner-carousel-wrapper {
    position: relative;
    padding: 0 60px;
}

.partner-carousel {
    display: flex;
    gap: 30px;
    overflow-x: auto;
    scroll-behavior: smooth;
    scrollbar-width: none;
    -ms-overflow-style: none;
    padding: 10px 0;
}

.partner-carousel::-webkit-scrollbar {
    display: none;
}

.partner-item {
    flex: 0 0 220px;
    background: var(--white);
    border: 1px solid #ebebeb;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    transition: all 0.3s ease;
}

.partner-item:hover {
    border-color: var(--primary-red);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transform: translateY(-5px);
}

.partner-item img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    transition: all 0.3s ease;
}

.partner-item:hover img {
    filter: grayscale(0%);
    opacity: 1;
}

/* ============================================
   Press Section
   ============================================ */
.press-section {
    padding: 100px 0 0;
}

.press-carousel-wrapper {
    position: relative;
    margin-top: 50px;
}

.press-swiper {
    padding: 20px 0 40px;
}

.press-swiper .swiper-slide {
    height: auto;
}

.press-card {
    background: var(--white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.press-card:hover {
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
    transform: translateY(-5px);
}

.press-card-image {
    width: 100%;
    height: 0;
    padding-bottom: 56.25%; /* 16:9 aspect ratio */
    position: relative;
    overflow: hidden;
    display: block;
    text-decoration: none;
    transition: opacity 0.3s ease;
}

.press-card-image:hover {
    opacity: 0.9;
}

.press-card-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.press-card-content {
    padding: 20px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.press-tag {
    display: inline-block;
    background: #333;
    color: var(--white);
    font-size: 12px;
    padding: 4px 12px;
    border-radius: 4px;
    margin-bottom: 15px;
    width: fit-content;
    font-weight: 500;
}

.press-card-title {
    font-size: 28px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 10px;
    line-height: 1.4;
    flex: 1;
    text-decoration: none;
    display: block;
    transition: color 0.3s ease;
}

.press-card-title:hover {
    color: var(--primary-red);
}

.press-card-date {
    font-size: 14px;
    color: #666;
    margin-bottom: 15px;
}

.press-card-link {
    color: var(--primary-red);
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    transition: color 0.3s ease;
    margin-top: auto;
}

.press-card-link:hover {
    color: #A50000;
    text-decoration: underline;
}

/* ============================================
   Contact Section
   ============================================ */
.contact-section {
    position: relative;
}
.contact-section .cbg-t{
    top: -200px;
    right: -200px;
    z-index: 0;
}
.contact-section .cbg-b{
    bottom: -200px;
    left: -200px;
    z-index: 0;
}
.contact-section .container {
    padding: 100px 0;
    border-top: 1px solid #cccccc;
    border-bottom: 1px solid #cccccc;
    position: relative;
    z-index: 1;
}
@media(max-width:768px){
    .contact-section .container {
        padding: 50px 20px;
    }
}
.contact-content {
    display: flex;
    gap: 80px;
}

.contact-info {
    flex: 1;
}

.red-dot {
    color: var(--primary-red);
}

.contact-details {
    margin: 40px 0;
}

.contact-item {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
    align-items: flex-start;
}

.contact-item i {
    font-size: 20px;
    color: #b3b3b3;
    margin-top: 5px;
}

.contact-item p {
    font-size: 16px;
    color: #666;
    line-height: 1.8;
}

.contact-links {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 16px;
    color: #666;
    padding: 15px 0;
    transition: all 0.3s ease;
}
.contact-link .contact-link-content  span{
    display: block;
}
.contact-link .contact-link-content .contact-link-text{
    font-size: 32px;
    font-weight: 600;
    color: #000;
}
.link-arrow {
    width: 50px;
    height: 50px;
    background: var(--primary-red);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 20px;
    transition: all 0.3s ease;
}
.link-arrow i{
    transform: rotate(-45deg);
}
.contact-link:hover .link-arrow {
    transform: translateX(5px);
}
.contact-link:hover .link-arrow i{
    transform: rotate(0);
}
@media(max-width:1440px){
    .link-arrow{
        width: 30px;
        height: 30px;
    }
}
.contact-form-wrapper {
    flex: 1;
}

.contact-form-wrapper h3 {
    font-size: 24px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 30px;
    margin-top: 30px;
}

.newsletter-form {
    margin-top: 20px;
}

.form-group {
    position: relative;
    display: flex;
    align-items: center;
}

.form-group input {
    flex: 1;
    padding: 15px 20px;
    border: 1px solid var(--primary-red);
    border-radius: 55px;
    font-size: 16px;
    font-family: inherit;
    transition: all 0.3s ease;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-red);
}

.btn-submit {
    position: absolute;
    right: 5px;
    width: 50px;
    height: 50px;
    background: var(--primary-red);
    border-radius: 50px;
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    transition: all 0.3s ease;
}

.btn-submit:hover {
    background: #C4000F;
    transform: scale(1.05);
}

/* ============================================
   Footer
   ============================================ */
.main-footer {
    background: url(../images/footer-bg.png) no-repeat center center;
    padding: 80px 0 30px;
}

.footer-content {
    display: flex;
    gap: 80px;
    margin-bottom: 60px;
    flex-direction: column;
}

.footer-logo {
    display: flex;
    justify-content: center;
    padding-top: 50px;
}

.footer-logo .logo-icon {
    background: var(--primary-red);
}

.footer-logo .logo-text {
    color: var(--white);
}

.footer-links {
    display: flex;
    gap: 40px;
    justify-content: space-between;
}

.footer-column h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 25px;
}

.footer-column ul {
    list-style: none;
}

.footer-column ul li {
    margin-bottom: 12px;
}

.footer-column ul li a {
    color: #666;
    font-size: 14px;
    transition: all 0.3s ease;
}

.footer-column ul li a:hover {
    padding-left: 5px;
    color: var(--primary-red);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 40px;
    border-top: 1px solid #cccccc;
}

.footer-copyright {
    font-size: 14px;
    color: #333;
}

.footer-copyright a {
    color: #333;
    transition: color 0.3s ease;
}

.footer-copyright a:hover {
    color: var(--primary-red);
}

.footer-social {
    display: flex;
    gap: 15px;
}

.footer-social a {
    width: 40px;
    height: 40px;
    background: #e2e3e4;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-red);
    font-size: 18px;
    transition: all 0.3s ease;
}

.footer-social a:hover {
    background: var(--primary-red);
    color: var(--white);
    transform: translateY(-3px);
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 1440px) {
    .container {
        max-width: 1000px;
        padding: 0 20px;
    }
    .main-header .container{
        max-width: 100%
    }
    .section{
        padding: 60px 0;
    }
    .carousel-nav.prev {
        left: -30px;
    }

    .carousel-nav.next {
        right: -30px;
    }
}
@media (max-width: 1440px) {
    .container {
        padding: 0 20px;
    }
    
    section {
        padding: 60px 0;
    }
    
    .main-nav a {
        font-size: 16px;
    }
    
    .main-nav .dropdown-menu a {
        font-size: 16px;
        padding: 10px 20px;
    }
    
    .logo img {
        max-width: 280px;
    }
    
    /* Hero Section */
    .hero-text h1 {
        font-size: 56px;
        margin-bottom: 15px;
    }
    
    .hero-text p {
        font-size: 28px;
        margin-bottom: 30px;
    }
    
    /* Section Titles */
    .section-title,
    .section-title-center {
        font-size: 52px;
        margin-bottom: 15px;
    }
    
    .section-title-left {
        font-size: 48px;
        margin-bottom: 12px;
    }
    
    .section-description {
        font-size: 20px;
        margin-bottom: 50px;
        line-height: 2.0;
    }
    
    .section-subtitle {
        font-size: 20px;
    }
    
    /* Manufacturer Section */
    .manufacturer-section {
        padding: 40px 0 80px;
    }
    
    .manufacturer-section .section-title {
        font-size: 44px;
        margin-bottom: 25px;
    }
    
    .features-grid {
        gap: 40px 25px;
        margin-bottom: 60px;
    }
    
    .feature-item h3 {
        font-size: 16px;
    }
    
    /* Product Category Section */
    .product-category-section {
        padding: 40px 0 80px;
    }
    .product-swiper .banner-content{
        padding: 20px 40px 20px 20px;
    }
    .product-swiper .banner-cta-btn{
        width: 40px;
        height: 40px;
        right: 30px;
    }
    .product-swiper .product-main-banner{
        border-radius: 0 0 40px 0;
    }
    .banner-title {
        font-size: 24px;
        margin-bottom: 12px;
    }
    
    .banner-description {
        font-size: 15px;
    }
    
    .side-card-content h4 {
        font-size: 16px;
        margin-bottom: 10px;
    }
    
    .side-card-content p {
        font-size: 13px;
    }
    .case-image{
        border-radius: 0 40px 0 0;
    }
    /* Success Case Section */
    .success-case-section {
        padding: 80px 0;
    }
    
    .success-case-section .container-fluid {
        padding: 0 60px;
    }
    
    .case-content h3 {
        font-size: 26px;
        margin-bottom: 15px;
    }
    
    .case-content p {
        font-size: 20px;
        margin-bottom: 20px;
        line-height: 1.6;
    }
    
    .case-link {
        font-size: 18px;
    }
    
    /* Advantages Section */
    .advantages-section {
        padding: 80px 0;
    }
    
    .advantages-content {
        gap: 50px;
    }
    
    .advantages-intro {
        font-size: 15px;
        margin-bottom: 25px;
    }
    
    .advantages-list li {
        font-size: 24px;
        padding: 25px 0;
    }
    
    .overlay-content h3 {
        font-size: 22px;
        margin-bottom: 12px;
    }
    
    .overlay-content p {
        font-size: 16px;
    }
    
    .advantages-number {
        font-size: 100px;
    }
    
    /* Video Section */
    .video-section {
        padding: 120px 0 160px;
    }
    
    .video-content {
        gap: 50px;
    }
    
    .video-description {
        font-size: 16px;
        margin: 18px 0 35px;
    }
    
    .video-play-button {
        width: 90px;
        height: 90px;
        font-size: 32px;
    }
    
    /* About Section */
    .about-card {
        gap: 40px;
    }
    
    .about-content {
        padding: 40px 20px;
    }
    
    .about-content h2 {
        font-size: 34px;
        margin-bottom: 30px;
    }
    
    .about-content .desc {
        font-size: 18px;
        margin-bottom: 35px;
        line-height: 2.0;
    }
    
    .logo-txt {
        font-size: 140px;
    }
    
    .about-stats {
        gap: 35px;
        margin-top: 100px;
    }
    
    .stat-icon {
        font-size: 42px;
        margin-bottom: 20px;
    }
    
    .stat-number {
        font-size: 56px;
        margin-bottom: 15px;
    }
    
    .stat-label {
        font-size: 15px;
    }
    
    /* Partner Section */
    .partner-section {
        padding: 80px 0;
    }
    
    .partner-carousel-wrapper {
        padding: 0 50px;
    }
    
    /* Press Section */
    .press-section {
        padding: 80px 0 0;
    }
    
    .press-card-title {
        font-size: 18px;
        margin-bottom: 8px;
    }
    
    .press-card-date {
        font-size: 13px;
        margin-bottom: 12px;
    }
    
    .press-card-link {
        font-size: 13px;
    }
    
    /* Contact Section */
    .contact-section .container {
        padding: 80px 0;
    }
    
    .contact-content {
        gap: 60px;
    }
    
    .contact-details {
        margin: 35px 0;
    }
    
    .contact-item {
        gap: 18px;
        margin-bottom: 25px;
    }
    
    .contact-item i {
        font-size: 18px;
    }
    
    .contact-item p {
        font-size: 15px;
    }
    
    .contact-link {
        font-size: 15px;
        padding: 12px 0;
    }
    
    .contact-link .contact-link-content .contact-link-text {
        font-size: 24px;
    }
    
    .contact-form-wrapper h3 {
        font-size: 22px;
        margin-bottom: 25px;
        margin-top: 25px;
    }
    
    .form-group input {
        padding: 12px 18px;
        font-size: 15px;
    }
    
    .btn-submit {
        width: 45px;
        height: 45px;
        font-size: 16px;
    }
    
    /* Footer */
    .main-footer {
        padding: 60px 0 25px;
    }
    
    .footer-content {
        gap: 60px;
        margin-bottom: 50px;
    }
    
    .footer-links {
        gap: 35px;
    }
    
    .footer-column h4 {
        font-size: 16px;
        margin-bottom: 20px;
    }
    
    .footer-column ul li a {
        font-size: 13px;
    }
    
    .footer-bottom {
        padding-top: 35px;
    }
    
    .footer-copyright {
        font-size: 13px;
    }
    
    /* Carousel Navigation */
    .carousel-nav.prev {
        left: -35px;
    }
    
    .carousel-nav.next {
        right: -35px;
    }
    
    .product-nav-next,
    .product-nav-prev {
        width: 45px;
        height: 45px;
        font-size: 16px;
    }
    
    .product-nav-next {
        right: -20px;
    }
    
    .product-nav-prev {
        left: -20px;
    }
}
@media (max-width: 992px) {
    .main-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--white);
        box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
        margin-top: 0;
        padding: 20px 0;
    }

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

    .main-nav ul {
        flex-direction: column;
        gap: 0;
        align-items: stretch;
    }

    .main-nav > ul > li {
        border-bottom: 1px solid #f0f0f0;
    }

    .main-nav > ul > li:last-child {
        border-bottom: none;
    }

    .main-nav a {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 15px 30px;
        width: 100%;
        box-sizing: border-box;
    }

    .main-nav a.active::after {
        display: none;
    }

    .main-nav .has-dropdown.active .dropdown-icon {
        transform: rotate(180deg);
    }

    /* Mobile Dropdown Menu */
    .main-nav .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        background: #f9f9f9;
        padding: 0;
        margin: 0;
        display: none;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
    }

    .main-nav .has-dropdown.active .dropdown-menu {
        display: block;
        max-height: 500px;
    }

    .main-nav .dropdown-menu a {
        padding: 12px 30px 12px 50px;
        font-size: 16px;
    }

    .main-nav .dropdown-menu a:hover {
        padding-left: 50px;
    }
    
    /* Mobile Submenu (Third Level) */
    .main-nav .dropdown-menu .submenu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        background: #f0f0f0;
        padding: 0;
        margin: 0;
        display: none;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
    }
    
    .main-nav .dropdown-menu li.has-submenu.active .submenu {
        display: block;
        max-height: 500px;
    }
    
    .main-nav .dropdown-menu .submenu a {
        padding: 12px 30px 12px 70px;
        font-size: 16px;
    }
    
    .main-nav .dropdown-menu .submenu-icon {
        transform: rotate(0deg);
    }
    
    .main-nav .dropdown-menu li.has-submenu.active .submenu-icon {
        transform: rotate(90deg);
    }

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

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

    .header-actions {
        gap: 10px;
        order: 3;
        margin-left: auto;
        margin-right: 10px;
    }

    .mobile-menu-toggle {
        order: 4;
        margin-right: 0;
    }

    .language-selector .current-lang {
        display: none;
    }

    .hero-text h1 {
        font-size: 48px;
    }

    .hero-text p {
        font-size: 20px;
    }

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

    .advantages-content,
    .video-content,
    .about-card,
    .contact-content {
        flex-direction: column;
    }

    .press-main {
        flex-direction: column;
    }

    .footer-content,
    .footer-links {
        flex-direction: column;
        gap: 40px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 30px;
        text-align: center;
    }
    .about-image{
        border-radius: 0 50px 0 0;
    }
}

@media (max-width: 768px) {
    section {
        padding: 40px 0;
    }

    .hero-content {
        padding: 0 20px;
    }

    .hero-text h1 {
        font-size: 36px;
    }

    .hero-text p {
        font-size: 15px;
        margin-bottom: 10px;
    }
    .hero-text .btn-primary{
        padding: 5px 20px;
        font-size: 12px;
    }
    .section-title,
    .section-title-left,
    .section-title-center {
        font-size: 24px;
    }

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

    .manufacturer-section .section-title {
        font-size: 24px;
        margin-bottom: 20px;
    }

    .section-description {
        font-size: 14px;
        margin-bottom: 30px;
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px 20px;
        margin-bottom: 40px;
    }

    .feature-item h3 {
        font-size: 16px;
    }

    .product-category-section {
        padding: 40px 0;
    }

    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 20px;
    }

    .product-carousel-wrapper {
        margin-top: 30px;
        overflow: hidden; /* 手机端隐藏左右超出部分 */
    }

    .product-swiper {
        overflow: hidden; /* 手机端隐藏左右超出部分 */
    }

    .success-case-section {
        padding: 40px 0;
    }

    .success-case-section .container-fluid {
        padding: 0 20px;
    }

    .case-item.active {
        flex-direction: column;
        gap: 20px;
    }

    .case-image {
        border-radius: 0;
    }

    .case-content {
        padding: 20px;
    }

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

    .advantages-text {
        flex: 1;
        max-width: 100%;
        padding-left: 20px;
        padding-right: 20px;
        margin-bottom: 30px;
    }

    .advantages-list li {
        font-size: 20px;
        padding: 20px 0;
    }

    .advantages-image {
        flex: 1;
        margin: 0 20px;
    }

    .advantages-overlay {
        padding: 30px 20px 30px 30px;
    }

    .overlay-content h3 {
        font-size: 20px;
    }

    .overlay-content p {
        font-size: 14px;
    }

    .advantages-number {
        font-size: 80px;
    }

    .video-section {
        padding: 60px 0 100px;
    }

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

    .video-description {
        font-size: 16px;
        margin: 15px 0 30px;
    }

    .about-section {
        padding: 40px 20px;
    }

    .about-card {
        flex-direction: column;
        gap: 0;
        border-radius: 0;
    }

    .about-image {
        flex: none;
        height: 300px;
    }

    .about-content {
        padding: 30px 20px;
    }

    .about-content h2 {
        font-size: 24px;
    }

    .about-stats {
        gap: 20px;
        margin-top: 30px;
    }

    .stat-item {
        width: 100%;
    }

    .logo-txt {
        font-size: 120px;
        margin-top: 20px;
    }

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

    .partner-carousel-wrapper {
        padding: 0 20px;
    }

    .partner-item {
        flex: 0 0 150px;
    }

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

    .product-carousel-wrapper {
        margin-top: 30px;
        overflow: hidden;
        position: relative;
    }

    .product-swiper {
        overflow: hidden;
    }

    .product-swiper .swiper-wrapper {
        display: flex !important;
        flex-direction: row !important;
        transform: translateX(0);
    }

    .product-swiper .swiper-slide {
        width: 100% !important;
        flex-shrink: 0;
        margin-right: 0 !important;
    }

    .press-carousel-wrapper {
        margin-top: 30px;
        overflow: hidden; /* 手机端隐藏左右超出部分 */
    }

    .press-swiper {
        overflow: hidden; /* 手机端隐藏左右超出部分 */
    }

    /* Mobile: All slides take full width */
    .product-slide {
        width: 100% !important;
        margin-right: 20px;
    }

    .product-slide.active {
        width: 100% !important;
        transform: translateX(0) !important;
    }

    .product-main-banner {
        height: 300px;
    }

    /* Mobile: 所有 slide 统一为正常样式 */
    .product-swiper .swiper-slide {
        width: 100% !important;
        margin-right: 0;
    }

    .product-swiper .swiper-slide .product-main-banner {
        border-radius: 0 !important;
        overflow: hidden !important;
        height: auto !important;
        padding: 0 !important;
        box-shadow: none !important;
        display: block !important;
        flex-direction: unset !important;
        align-items: unset !important;
        text-align: unset !important;
    }

    .product-swiper .swiper-slide .banner-image {
        width: 100% !important;
        height: auto !important;
        margin: 0 !important;
        border-radius: 0 !important;
    }

    .product-swiper .swiper-slide .banner-image img {
        width: 100% !important;
        height: auto !important;
        border-radius: 0 !important;
        transform: scale(1) !important;
    }

    /* 禁用移动端的缩放动画 */
    .product-swiper .swiper-slide.animating .banner-image img {
        animation: none !important;
        transform: scale(1) !important;
    }

    .product-swiper .swiper-slide .banner-overlay {
        opacity: 1 !important;
        visibility: visible !important;
    }

    .product-swiper .swiper-slide .banner-content {
        position: absolute !important;
        bottom: 0 !important;
        left: 0 !important;
        width: 100% !important;
        padding: 20px 40px 20px 10px !important;
        color: var(--white) !important;
    }

    .product-swiper .swiper-slide .banner-title {
        color: var(--white) !important;
        font-size: 32px !important;
        text-align: left !important;
    }

    .product-swiper .swiper-slide .banner-description {
        color: var(--white) !important;
        opacity: 0.95 !important;
        text-align: left !important;
    }

    .product-swiper .swiper-slide .banner-cta-btn {
        opacity: 1 !important;
        visibility: visible !important;
        pointer-events: auto !important;
    }

    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
        margin-bottom: 10px;
    }

    .section-header button {
        width: 100%;
    }

    .product-side-card {
        padding: 20px;
        min-height: 250px;
    }

    .side-card-image {
        width: 80px;
        height: 80px;
        margin-bottom: 15px;
    }

    .side-card-content h4 {
        font-size: 16px;
    }

    .side-card-content p {
        font-size: 12px;
    }

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

    .banner-description {
        font-size: 14px;
    }

    .banner-cta-btn {
        width: 50px;
        height: 50px;
        bottom: 30px;
        right: 30px;
    }

    .product-nav-next,
    .product-nav-prev {
        display: none;
    }

    .case-item.active {
        flex-direction: column;
    }

    .about-content {
        padding: 40px 30px;
    }


    .partner-carousel-wrapper {
        padding: 0 20px;
    }

    .carousel-nav {
        display: none;
    }

    .press-item-small {
        flex-direction: column;
    }

    .press-image-small {
        width: 100%;
    }
}

@media (max-width: 576px) {
    .header-actions {
        gap: 8px;
        margin-right: 8px;
    }

    .mobile-menu-toggle {
        margin-right: 0;
    }

    .hero-content {
        padding: 0 15px;
    }

    .hero-text h1 {
        font-size: 24px;
        margin-bottom: 10px;
    }


    .section-title,
    .section-title-left,
    .section-title-center {
        font-size: 24px;
    }

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

    .manufacturer-section .section-title {
        font-size: 20px;
        line-height: 1.3;
    }

    .section-description {
        font-size: 13px;
        line-height: 1.6;
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px 15px;
        margin-bottom: 30px;
    }

    .feature-icon {
        width: 35px;
        height: 35px;
        margin-bottom: 15px;
    }

    .feature-item h3 {
        font-size: 14px;
    }

    .product-category-section {
        padding: 30px 0;
    }

    .product-main-banner {
        height: 300px;
    }

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

    .banner-description {
        font-size: 13px;
    }

    .banner-cta-btn {
        width: 40px;
        height: 40px;
        bottom: 20px;
        right: 20px;
    }

    .success-case-section {
        padding: 30px 0;
    }

    .success-case-section .container-fluid {
        padding: 0 15px;
    }

    .case-content h3 {
        font-size: 20px;
    }

    .case-content p {
        font-size: 14px;
    }

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

    .advantages-text {
        padding-left: 15px;
        padding-right: 15px;
    }

    .advantages-list li {
        font-size: 18px;
        padding: 15px 0;
    }

    .advantages-overlay {
        padding: 20px 15px 20px 20px;
    }

    .overlay-content h3 {
        font-size: 18px;
        margin-bottom: 10px;
    }

    .overlay-content p {
        font-size: 13px;
    }

    .advantages-number {
        font-size: 60px;
    }

    .video-section {
        padding: 40px 0 60px;
    }

    .video-description {
        font-size: 14px;
    }

    .about-section {
        padding: 30px 15px;
    }

    .about-image {
        height: 250px;
    }

    .about-content {
        padding: 25px 15px;
    }

    .about-content h2 {
        font-size: 20px;
    }

    .about-content .desc {
        font-size: 14px;
    }

    .logo-txt {
        font-size: 80px;
    }

    .stat-number {
        font-size: 32px;
    }

    .stat-label {
        font-size: 12px;
    }

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

    .partner-carousel-wrapper {
        padding: 0 15px;
    }

    .partner-item {
        flex: 0 0 120px;
    }

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

    .press-card-content {
        padding: 15px;
    }

    .press-card-title {
        font-size: 16px;
    }
}

/* ============================================
   Scroll to Top Button
   ============================================ */
.scroll-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary-red);
    color: var(--white);
    border-radius: 50%;
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    z-index: 999;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
}

.scroll-to-top:hover {
    background: #C4000F;
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
}

/* ============================================
   Scroll Animation
   ============================================ */
.in-view {
    animation: fadeInUp 0.6s ease forwards;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================
   Header Scrolled State
   ============================================ */
.main-header.scrolled {
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
    padding: 10px 0;
}

/* ============================================
   Inner Page Banner (整站内页通用)
   ============================================ */
.inner-page-banner {
    width: 100%;
    overflow: hidden;
    padding-bottom: 0;
    border-radius: 0 0 0 100px;
}

.inner-page-banner img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}
@media(max-width:768px){
    .inner-page-banner {
        border-radius: 0 0 0 30px;
    }
}
/* ============================================
   Pagination Styles (通用分页样式)
   ============================================ */
.paginations {
    margin-top: 50px;
    display: flex;
    justify-content: center;
}

.paginations .pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    list-style: none;
    padding: 0;
    margin: 0;
}

.paginations .pagination li {
    display: flex;
    align-items: center;
    justify-content: center;
}

.paginations .pagination li a,
.paginations .pagination li span {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 45px;
    height: 45px;
    background: var(--white);
    border: 2px solid var(--border-gray);
    border-radius: 5px;
    font-size: 16px;
    font-weight: 500;
    color: var(--text-dark);
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
}

.paginations .pagination li a:hover {
    border-color: var(--primary-red);
    color: var(--primary-red);
}

.paginations .pagination li.active span {
    background: var(--primary-red);
    border-color: var(--primary-red);
    color: var(--white);
}

.paginations .pagination li.disabled span {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ============================================
   Floating Action Buttons
   ============================================ */
.floating-buttons {
	position: fixed;
	right: 20px;
	bottom: 20px;
	z-index: 9999;
	display: flex;
	flex-direction: column;
	gap: 15px;
}

.floating-btn {
	width: 50px;
	height: 50px;
	border-radius: 50%;
	background: #333;
	color: #fff;
	display: flex;
	align-items: center;
	justify-content: center;
	text-decoration: none;
	cursor: pointer;
	box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
	transition: all 0.3s ease;
	position: relative;
	border: none;
	font-size: 20px;
}

.floating-btn:hover {
	transform: translateY(-3px);
	box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
}

.floating-btn:hover .floating-tooltip {
	opacity: 1;
	visibility: visible;
	right: 60px;
}

.floating-tooltip {
	position: absolute;
	right: 50px;
	top: 50%;
	transform: translateY(-50%);
	background: #333;
	color: #fff;
	padding: 8px 12px;
	border-radius: 4px;
	font-size: 14px;
	white-space: nowrap;
	opacity: 0;
	visibility: hidden;
	transition: all 0.3s ease;
	pointer-events: none;
	font-weight: 500;
}

.floating-tooltip::after {
	content: '';
	position: absolute;
	right: -5px;
	top: 50%;
	transform: translateY(-50%);
	border: 5px solid transparent;
	border-left-color: #333;
}

/* Specific Button Colors */
.floating-service {
	background: #25D366;
}

.floating-service:hover {
	background: #20BA5A;
}

.floating-email {
	background: #EA4335;
}

.floating-email:hover {
	background: #D33B2C;
}

.floating-whatsapp {
	background: #25D366;
}

.floating-whatsapp:hover {
	background: #20BA5A;
}

.floating-top {
	background: #666;
}

.floating-top:hover {
	background: #555;
}

.floating-top.hide {
	opacity: 0;
	visibility: hidden;
	transform: translateY(20px);
}

/* Responsive Design for Floating Buttons */
@media (max-width: 768px) {
	.floating-buttons {
		right: 15px;
		bottom: 15px;
		gap: 12px;
	}
	
	.floating-btn {
		width: 45px;
		height: 45px;
		font-size: 18px;
	}
	
	.floating-tooltip {
		font-size: 12px;
		padding: 6px 10px;
	}
}

@media (max-width: 480px) {
	.floating-buttons {
		right: 10px;
		bottom: 10px;
		gap: 10px;
	}
	
	.floating-btn {
		width: 40px;
		height: 40px;
		font-size: 16px;
	}
	
	.floating-tooltip {
		display: none;
	}
}