* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

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

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes heroZoom {
    0% {
        transform: scale(1);
    }

    100% {
        transform: scale(1.1);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-80px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(80px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes pulseGlow {

    0%,
    100% {
        box-shadow: 0 0 0 0 rgba(74, 144, 217, 0.4);
    }

    50% {
        box-shadow: 0 0 0 15px rgba(74, 144, 217, 0);
    }
}

.product-hero {
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    padding: 140px 0;
    position: relative;
    overflow: hidden;
}

.product-hero::after {
    content: '';
    position: absolute;
    top: -10%;
    left: -10%;
    width: 120%;
    height: 120%;
    background: inherit;
    background-size: cover;
    background-position: center;
    z-index: -1;
    animation: heroZoom 20s ease-in-out infinite alternate;
}

.product-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1;
}

.product-hero .container {
    position: relative;
    z-index: 2;
}

.product-hero h1 {
    font-size: 3rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 16px;
    max-width: 800px;
    opacity: 0;
    animation: fadeInDown 0.8s ease forwards 0.3s;
}

.product-hero p {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.9);
    max-width: 800px;
    margin-top: 20px;
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards 0.6s;
}

.breadcrumb {
    font-size: 14px;
    color: #fff;
    margin-bottom: 20px;
    margin-top: 20px;
    position: absolute;
    top: 110px;
    padding: 0;
    opacity: 0;
    animation: fadeInDown 0.6s ease forwards 0.1s;
}

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

.breadcrumb a:hover {
    color: #0ea3df;
}

.about-section {
    padding: 80px 0;
    background: #fff;
    overflow: hidden;
}

.about-row {
    display: flex;
    align-items: center;
    gap: 60px;
}

.about-text-box {
    flex: 1;
    opacity: 0;
    transform: translateX(-50px);
    transition: all 0.8s ease;
}

.about-text-box.visible {
    opacity: 1;
    transform: translateX(0);
}

.about-text-box h1 {
    font-size: 38px;
    font-weight: 700;
    color: #1a1a2e;
    margin-bottom: 20px;
    letter-spacing: -0.5px;
    line-height: 1.3;
}

.about-text-box p {
    font-size: 15px;
    line-height: 1.9;
    color: #555;
    margin-bottom: 16px;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease;
}
.about-text-box.visible p:nth-of-type(1) {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.3s;
}
.about-text-box.visible p:nth-of-type(2) {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.5s;
}
.about-text-box.visible p:nth-of-type(3) {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.7s;
}
.about-text-box.visible p:nth-of-type(4) {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.9s;
}
.about-text-box.visible p:nth-of-type(5) {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 1.1s;
}

/*.about-text-box.visible p:nth-child(3) {*/
/*    opacity: 1;*/
/*    transform: translateY(0);*/
/*    transition-delay: 0.3s;*/
/*}*/

/*.about-text-box.visible p:nth-child(4) {*/
/*    opacity: 1;*/
/*    transform: translateY(0);*/
/*    transition-delay: 0.5s;*/
/*}*/

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

.about-video-box {
    margin-top: 30px;
    flex: 1;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.08);
    background: #000;
    opacity: 0;
    transform: translateX(50px) scale(0.95);
    transition: all 0.8s ease 0.3s;
}

.about-video-box.visible {
    opacity: 1;
    transform: translateX(0) scale(1);
}

.about-video-box video {
    width: 100%;
    height: 440px;
    object-fit: cover;
    display: block;
    background: #000;
}

.about-video-box video::-webkit-media-controls-panel {
    background: rgba(0, 0, 0, 0.6);
}

.action-section {
    padding: 80px 0 80px;
    background: #ffffff;
    overflow: hidden;
}

.bg-gray {
    background-color: #f8faff;
}

.section-header {
    text-align: center;
    max-width: 1300px;
    margin: 0 auto 60px;
}

.about-text-box.visible .since-text {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.1s;
}

.section-title {
    font-size: 38px;
    font-weight: 700;
    color: #1a1a2e;
    letter-spacing: -0.5px;
    margin-bottom: 40px;
    position: relative;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

.section-title.visible {
    opacity: 1;
    transform: translateY(0);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -11px;
    left: 50%;
    transform: translateX(-50%);
    height: 4px;
    width: 0;
    background: linear-gradient(90deg, #0066cc, #4A90D9);
    transition: width 0.8s ease 0.3s;
}

.section-title.visible::after {
    width: 90px;
}

.contact-form-desc {
    color: #666;
    line-height: 1.7;
    margin-bottom: 40px;
    font-size: 16px;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.8s ease 0.4s;
}

.contact-form-desc.visible {
    opacity: 1;
    transform: translateY(0);
}

.advantage-grid {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-bottom: 30px;
}

.advantage-card {
    display: flex;
    background-color: #fff;
    padding: 30px 30px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.advantage-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.advantage-card:nth-child(1) {
    transition-delay: 0.05s;
}

.advantage-card:nth-child(2) {
    transition-delay: 0.15s;
}

.advantage-card:nth-child(3) {
    transition-delay: 0.25s;
}

.advantage-card:nth-child(4) {
    transition-delay: 0.35s;
}

.advantage-card:hover {
    transform: translateY(-6px) scale(1.01);
    box-shadow: 0 12px 40px rgba(0, 102, 204, 0.12);
}

.advantage-card:hover img {
    transform: rotate(10deg) scale(1.1);
}

.advantage-card img {
    width: 90px;
    border-radius: 15px;
    height: auto;
    margin-right: 20px;
    transition: transform 0.4s ease;
    flex-shrink: 0;
}

.advantage-card h2 {
    font-size: 22px;
    color: #1a1a2e;
    margin-bottom: 6px;
    transition: color 0.3s ease;
}

.advantage-card:hover h2 {
    color: #0066cc;
}

.advantage-card p {
    color: #666;
    font-size: 15px;
}

.logo-marquee-section {
    width: 100%;
    box-sizing: border-box;
    overflow: hidden;
    margin-top: 40px;
}

.logo-marquee-wrap {
    width: 100%;
    overflow: hidden;
    margin: 16px 0;
}

.logo-marquee-track {
    display: flex;
    align-items: center;
    width: max-content;
}

.wrap-1 .logo-marquee-track {
    animation: logoScroll 45s linear infinite normal;
}

.wrap-2 .logo-marquee-track {
    animation: logoScroll 50s linear infinite reverse;
}

.logo-marquee-wrap:hover .logo-marquee-track {
    animation-play-state: paused;
}

.logo-marquee-item {
    flex-shrink: 0;
    width: 480px;
    height: 400px;
    margin: 0 10px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 5px;
    box-sizing: border-box;
    transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.logo-marquee-item:hover {
    transform: scale(1.03);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
}

.logo-marquee-item img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

@keyframes logoScroll {
    0% {
        transform: translateX(0);
    }

    100% {
        transform: translateX(-50%);
    }
}

.factory-row {
    display: flex;
    justify-content: space-between;
    padding: 100px 0 14px;
    gap: 60px;
}

.factory-text-box {
    width: 48%;
    opacity: 0;
    transform: translateX(-50px);
    transition: all 0.8s ease;
}

.factory-text-box.visible {
    opacity: 1;
    transform: translateX(0);
}

.factory-text-box h1 {
    line-height: 60px;
    font-size: 48px;
    margin-bottom: 35px;
    color: #1a1a2e;
}

.factory-text-box h2 {
    margin-top: 24px;
    font-size: 24px;
    color: #1a1a2e;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease;
}

.factory-text-box.visible h2:nth-of-type(1) {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.3s;
}

.factory-text-box.visible h2:nth-of-type(2) {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.6s;
}

.factory-text-box p {
    line-height: 30px;
    margin-top: 20px;
    color: #444;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease;
}

.factory-text-box.visible p:nth-of-type(1) {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.4s;
}

.factory-text-box.visible p:nth-of-type(2) {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.7s;
}

.factory-main-img {
    width: 48%;
    opacity: 0;
    transform: translateX(50px) scale(0.95);
    transition: all 0.8s ease 0.3s;
}

.factory-main-img.visible {
    opacity: 1;
    transform: translateX(0) scale(1);
}

.factory-main-img img {
    width: 100%;
    height: 468px;
    object-fit: cover;
    border-radius: 12px;
    transition: transform 0.5s ease;
}

.factory-main-img:hover img {
    transform: scale(1.02);
}

.factory-thumbs-swiper {
    width: 100%;
    border-radius: 12px;
    overflow: hidden;
    margin-top: 30px;
}

.factory-thumbs-swiper .swiper-slide {
    width: 428px;
    height: 300px;
    overflow: hidden;
    border-radius: 12px;
}

.factory-thumbs-swiper .swiper-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.factory-thumbs-swiper .swiper-slide:hover img {
    transform: scale(1.05);
}

.factory-thumbs-swiper .swiper-button-next,
.factory-thumbs-swiper .swiper-button-prev {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 50%;
    color: #0066cc;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.factory-thumbs-swiper .swiper-button-next:hover,
.factory-thumbs-swiper .swiper-button-prev:hover {
    background: #0066cc;
    color: #fff;
    transform: scale(1.1);
}

.factory-thumbs-swiper .swiper-button-next::after,
.factory-thumbs-swiper .swiper-button-prev::after {
    font-size: 14px;
}

.cta-banner {
    position: relative;
    width: 100%;
    padding: 20px 0;
    overflow: hidden;
    min-height: 450px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.cta-banner.second {
    min-height: 450px;
}

.cta-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    z-index: 0;
}

.cta-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.62);
    z-index: 1;
}

.cta-container {
    position: relative;
    z-index: 2;
    width: 100%;
    text-align: center;
}

.cta-content {
    max-width: 920px;
    margin: 0 auto 60px;
    color: #fff;
}

.cta-title {
    font-size: 44px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
    letter-spacing: -0.5px;
    color: #fff;
}

.cta-desc {
    font-size: 18px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.9);
}

.parallax-section {
    background-image: url('/static/product-bg.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    background-repeat: no-repeat;
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.parallax-section .overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 0;
}

.parallax-section .container-cr {
    position: relative;
    z-index: 1;
}

.timeline-section {
    padding: 80px 0;
    background: #f8faff;
    overflow: hidden;
}

.timeline-header {
    text-align: center;
    margin-bottom: 50px;
}

.timeline-header h2 {
    font-size: 38px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 16px;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

.timeline-header.visible h2 {
    opacity: 1;
    transform: translateY(0);
}

.timeline-header p {
    color: #fff;
    font-size: 16px;
    max-width: 900px;
    margin: 0 auto;
    line-height: 1.8;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.8s ease 0.3s;
}

.timeline-header.visible p {
    opacity: 1;
    transform: translateY(0);
}

.timeline-scroll-wrapper {
    position: relative;
    padding: 40px 60px;
    overflow: hidden;
}

.timeline-track-wrap {
    overflow: hidden;
    border-radius: 12px;
}

.timeline-track {
    display: flex;
    transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.timeline-slide {
    flex: 0 0 100%;
    padding: 0 10px;
    box-sizing: border-box;
}

.timeline-line-wrap {
    position: relative;
    padding: 30px 0;
    min-height: 320px;
}

.timeline-axis {
    position: absolute;
    left: 0;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    height: 3px;
    background: linear-gradient(to right, #4A90D9, #7BB8F0, #4A90D9);
    border-radius: 2px;
}

.timeline-items {
    display: flex;
    justify-content: space-around;
    align-items: center;
    position: relative;
    z-index: 1;
    height: 300px;
}

.timeline-node {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    flex: 1;
    max-width: 200px;
    height: 100%;
}

.timeline-node.top {
    justify-content: flex-start;
    padding-top: 10px;
}

.timeline-node.bottom {
    justify-content: flex-end;
    padding-bottom: 10px;
}

.timeline-node::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%) scale(0);
    width: 16px;
    height: 16px;
    background: #4A90D9;
    border: 4px solid #fff;
    border-radius: 50%;
    box-shadow: 0 0 0 3px #4A90D9, 0 4px 12px rgba(74, 144, 217, 0.3);
    z-index: 2;
    flex-shrink: 0;
    transition: transform 0.4s ease 0.2s;
}

.timeline-slide.active .timeline-node::before {
    transform: translate(-50%, -50%) scale(1);
}

.timeline-node::after {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    background: #4A90D9;
    flex-shrink: 0;
}

.timeline-node.top::after {
    top: 35%;
    height: 40px;
}

.timeline-node.bottom::after {
    bottom: 35%;
    height: 40px;
}

.timeline-node.top .timeline-card {
    margin-bottom: auto;
}

.timeline-node.bottom .timeline-card {
    margin-top: auto;
}

.timeline-card {
    background: #fff;
    border-radius: 12px;
    padding: 18px 20px;
    width: 100%;
    max-width: 200px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    border-top: 4px solid #4A90D9;
    text-align: center;
    position: relative;
    z-index: 1;
    opacity: 0;
    transform: translateY(20px);
}

.timeline-slide.active .timeline-card {
    opacity: 1;
    transform: translateY(0);
}

.timeline-slide.active .timeline-card:nth-child(1) {
    transition-delay: 0.1s;
}

.timeline-slide.active .timeline-card:nth-child(2) {
    transition-delay: 0.2s;
}

.timeline-slide.active .timeline-card:nth-child(3) {
    transition-delay: 0.3s;
}

.timeline-slide.active .timeline-card:nth-child(4) {
    transition-delay: 0.4s;
}

.timeline-node.bottom .timeline-card {
    border-top: none;
    border-bottom: 4px solid #4A90D9;
}

.timeline-card:hover {
    transform: translateY(-6px) scale(1.03);
    box-shadow: 0 8px 30px rgba(74, 144, 217, 0.2);
}

.timeline-card .date {
    font-size: 15px;
    font-weight: 700;
    color: #4A90D9;
    margin-bottom: 4px;
}

.timeline-card .content {
    font-size: 13px;
    color: #333;
    line-height: 1.5;
}

.timeline-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: #fff;
    border: 2px solid #e8ecf1;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    cursor: pointer;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    color: #1a1a2e;
    transition: all 0.3s ease;
    user-select: none;
}

.timeline-nav:hover {
    background: #4A90D9;
    border-color: #4A90D9;
    color: #fff;
    transform: translateY(-50%) scale(1.1);
}

.timeline-nav.prev {
    left: 10px;
}

.timeline-nav.next {
    right: 10px;
}

.timeline-nav.disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.timeline-nav.disabled:hover {
    background: #fff;
    border-color: #e8ecf1;
    color: #1a1a2e;
    transform: translateY(-50%) scale(1);
}

.timeline-dots {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 20px;
}

.timeline-dots .dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    padding: 0;
}

.timeline-dots .dot.active {
    background: #fff;
    width: 30px;
    border-radius: 5px;
}

.timeline-dots .dot:hover {
    background: rgba(255, 255, 255, 0.8);
}

/* ===== 证书区域 ===== */
.cert-section {
    padding: 60px 0 80px;
    background: #f5f7fc;
    overflow: hidden;
}

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

.cert-header h2 {
    font-size: 34px;
    font-weight: 700;
    color: #1a1a2e;
    margin-bottom: 12px;
    position: relative;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

.cert-header.visible h2 {
    opacity: 1;
    transform: translateY(0);
}

.cert-header h2::after {
    content: '';
    display: block;
    width: 0;
    height: 4px;
    background: linear-gradient(to right, #4A90D9, #7BB8F0);
    margin: 12px auto 0;
    border-radius: 2px;
    transition: width 0.8s ease 0.3s;
}

.cert-header.visible h2::after {
    width: 60px;
}

.cert-header p {
    color: #888;
    font-size: 15px;
    max-width: 700px;
    margin: 16px auto 0;
    line-height: 1.7;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.8s ease 0.3s;
}

.cert-header.visible p {
    opacity: 1;
    transform: translateY(0);
}

.cert-swiper {
    width: 100%;
    padding: 40px 0 60px;
}

.cert-swiper .swiper-slide {
    background-position: center;
    background-size: cover;
    width: 320px;
    height: 420px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
    transition: all 0.4s ease;
}

.cert-swiper .swiper-slide:hover {
    transform: scale(1.03);
    box-shadow: 0 12px 50px rgba(0, 0, 0, 0.2);
}

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

.cert-swiper .swiper-slide:hover img {
    transform: scale(1.05);
}

.cert-swiper .swiper-pagination {
    position: relative;
    margin-top: 20px;
}

.cert-swiper .swiper-pagination-bullet {
    width: 10px;
    height: 10px;
    background: #d0d7e2;
    opacity: 1;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.cert-swiper .swiper-pagination-bullet-active {
    background: #4A90D9;
    width: 30px;
    border-radius: 5px;
}

.fade-animate {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s ease;
}

.fade-animate.visible {
    opacity: 1;
    transform: translateY(0);
}


@media (max-width: 992px) {
    .action-section {
        padding: 60px 0 80px;
    }

    .about-row,
    .factory-row {
        flex-direction: column;
        gap: 40px;
        padding: 60px 0;
    }

    .about-text-box,
    .about-video-box,
    .factory-text-box,
    .factory-main-img {
        width: 100%;
        flex: none;
    }

    .about-video-box video {
        height: 400px;
    }

    .advantage-grid {
        grid-template-columns: 1fr 1fr;
    }

    .timeline-scroll-wrapper {
        padding: 30px 50px;
    }

    .timeline-card {
        max-width: 160px;
        padding: 14px 16px;
    }

    .timeline-card .date {
        font-size: 13px;
    }

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

    .timeline-node {
        max-width: 160px;
    }

    .cert-swiper .swiper-slide {
        width: 260px;
        height: 360px;
    }

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

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

    .logo-marquee-item {
        width: 300px;
        height: 240px;
    }

    .factory-main-img img {
        height: 340px;
    }

    .factory-thumbs-swiper .swiper-slide {
        width: 380px;
        height: 300px;
    }
}

@media (max-width: 768px) {
    .container {
        padding-left: 20px;
        padding-right: 20px;
    }

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

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

    .about-text-box h1,
    .factory-text-box h1 {
        font-size: 28px;
        line-height: 1.3;
    }

    .about-text-box p {
        font-size: 14px;
    }

    .about-video-box video {
        height: 280px;
    }

    .advantage-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .advantage-card {
        padding: 20px 20px;
    }

    .advantage-card img {
        width: 45px;
        border-radius: 15px;
        margin-right: 16px;
    }

    .advantage-card h2 {
        font-size: 18px;
    }

    .advantage-card p {
        font-size: 13px;
    }

    .logo-marquee-item {
        width: 160px;
        height: 120px;
        margin: 0 6px;
        padding: 3px;
    }

    .factory-main-img img {
        height: 240px;
    }

    .factory-thumbs-swiper .swiper-slide {
        width: 240px;
        height: 200px;
    }

    .factory-thumbs-swiper .swiper-button-next,
    .factory-thumbs-swiper .swiper-button-prev {
        width: 32px;
        height: 32px;
    }

    .factory-thumbs-swiper .swiper-button-next::after,
    .factory-thumbs-swiper .swiper-button-prev::after {
        font-size: 12px;
    }

    .timeline-section {
        padding: 50px 0;
    }

    .timeline-header h2 {
        font-size: 28px;
    }

    .timeline-header p {
        font-size: 14px;
        padding: 0 16px;
    }

    .timeline-scroll-wrapper {
        padding: 20px 40px;
    }

    .timeline-card {
        max-width: 130px;
        padding: 12px 14px;
    }

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

    .timeline-card .content {
        font-size: 11px;
    }

    .timeline-node {
        max-width: 130px;
    }

    .timeline-node::before {
        width: 12px;
        height: 12px;
    }

    .timeline-node.top::after,
    .timeline-node.bottom::after {
        height: 20px;
    }

    .timeline-nav {
        width: 32px;
        height: 32px;
        font-size: 16px;
    }

    .timeline-nav.prev {
        left: 4px;
    }

    .timeline-nav.next {
        right: 4px;
    }

    .timeline-items {
        height: 220px;
    }

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

    .cert-header h2 {
        font-size: 26px;
    }

    .cert-header p {
        font-size: 14px;
        padding: 0 16px;
    }

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

    .cert-swiper .swiper-slide {
        width: 220px;
        height: 300px;
        border-radius: 10px;
    }

    .product-hero {
        padding: 100px 0 60px;
        min-height: 300px;
    }

    .product-hero h1 {
        font-size: 2rem;
        animation: fadeInDown 0.6s ease forwards 0.2s;
    }

    .product-hero p {
        font-size: 0.95rem;
    }

    .breadcrumb {
        position: relative;
        top: 0;
        margin-bottom: 16px;
        margin-top: 0;
    }

    .cta-banner {
        min-height: 320px;
        padding: 40px 0;
    }

    .cta-banner.second {
        min-height: 320px;
    }

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

    .cta-desc {
        font-size: 14px;
        line-height: 1.6;
    }

    .parallax-section {
        background-attachment: scroll;
        padding: 50px 0;
    }

    .about-section {
        padding: 50px 0;
    }

    .about-text-box h1 {
        font-size: 26px;
    }

    .factory-text-box h1 {
        font-size: 32px;
        line-height: 1.2;
    }

    .factory-text-box h2 {
        font-size: 20px;
    }

    .factory-text-box p {
        font-size: 14px;
        line-height: 1.8;
    }

    .factory-row {
        padding: 40px 0;
        gap: 30px;
    }
}


@media (max-width: 480px) {
    .container {
        padding-left: 16px;
        padding-right: 16px;
    }

    .product-hero {
        padding: 80px 0 50px;
        min-height: 250px;
    }

    .product-hero h1 {
        font-size: 1.6rem;
    }

    .product-hero p {
        font-size: 0.85rem;
        margin-top: 12px;
    }

    .breadcrumb {
        font-size: 12px;
    }

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

    .about-text-box h1 {
        font-size: 22px;
    }

    .about-text-box p {
        font-size: 13px;
        line-height: 1.7;
    }

    .about-video-box video {
        height: 200px;
    }

    .about-row {
        gap: 24px;
        padding: 30px 0;
    }

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

    .contact-form-desc {
        font-size: 14px;
    }

    .advantage-card {
        padding: 16px 16px;
        border-radius: 8px;
    }

    .advantage-card img {
        width: 49px;
        margin-right: 14px;
    }

    .advantage-card h2 {
        font-size: 16px;
    }

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

    .logo-marquee-item {
        width: 120px;
        height: 90px;
        margin: 0 4px;
        border-radius: 8px;
    }

    .factory-main-img img {
        height: 180px;
    }

    .factory-thumbs-swiper .swiper-slide {
        width: 180px;
        height: 150px;
    }

    .factory-text-box h1 {
        font-size: 26px;
        line-height: 1.2;
        margin-bottom: 20px;
    }

    .factory-text-box h2 {
        font-size: 18px;
        margin-top: 16px;
    }

    .factory-text-box p {
        font-size: 13px;
        line-height: 1.7;
        margin-top: 12px;
    }

    .factory-row {
        padding: 20px 0;
        gap: 20px;
    }

    .factory-thumbs-swiper .swiper-button-next,
    .factory-thumbs-swiper .swiper-button-prev {
        width: 28px;
        height: 28px;
    }

    .factory-thumbs-swiper .swiper-button-next::after,
    .factory-thumbs-swiper .swiper-button-prev::after {
        font-size: 10px;
    }

    .timeline-scroll-wrapper {
        padding: 10px 24px;
    }

    .timeline-card {
        max-width: 100px;
        padding: 10px 10px;
        border-radius: 8px;
    }

    .timeline-card .date {
        font-size: 11px;
    }

    .timeline-card .content {
        font-size: 10px;
    }

    .timeline-node {
        max-width: 100px;
    }

    .timeline-node::before {
        width: 10px;
        height: 10px;
        border-width: 3px;
    }

    .timeline-node.top::after,
    .timeline-node.bottom::after {
        height: 14px;
    }

    .timeline-items {
        height: 170px;
    }

    .timeline-nav {
        width: 28px;
        height: 28px;
        font-size: 14px;
    }

    .timeline-nav.prev {
        left: 2px;
    }

    .timeline-nav.next {
        right: 2px;
    }

    .timeline-dots .dot {
        width: 8px;
        height: 8px;
    }

    .timeline-dots .dot.active {
        width: 20px;
    }

    .cert-swiper .swiper-slide {
        width: 160px;
        height: 220px;
        border-radius: 8px;
    }

    .cert-header h2 {
        font-size: 22px;
    }

    .cert-header p {
        font-size: 13px;
    }

    .cert-section {
        padding: 30px 0 40px;
    }

    .cta-banner {
        min-height: 260px;
        padding: 30px 0;
    }

    .cta-banner.second {
        min-height: 260px;
    }

    .cta-title {
        font-size: 18px;
        margin-bottom: 12px;
    }

    .cta-desc {
        font-size: 13px;
        line-height: 1.6;
    }

    .cta-content {
        margin: 0 auto 30px;
    }

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

    .timeline-header h2 {
        font-size: 22px;
    }

    .timeline-header p {
        font-size: 13px;
        padding: 0 12px;
    }
}


@media (max-width: 380px) {
    .container {
        padding-left: 12px;
        padding-right: 12px;
    }

    .product-hero h1 {
        font-size: 1.3rem;
    }

    .product-hero p {
        font-size: 0.8rem;
    }

    .about-text-box h1 {
        font-size: 20px;
    }

    .about-video-box video {
        height: 160px;
    }

    .section-title {
        font-size: 20px;
    }

    .logo-marquee-item {
        width: 100px;
        height: 75px;
    }

    .factory-main-img img {
        height: 150px;
    }

    .factory-thumbs-swiper .swiper-slide {
        width: 150px;
        height: 120px;
    }

    .factory-text-box h1 {
        font-size: 22px;
    }

    .timeline-card {
        max-width: 80px;
        padding: 8px 6px;
    }

    .timeline-card .date {
        font-size: 9px;
    }

    .timeline-card .content {
        font-size: 9px;
    }

    .timeline-node {
        max-width: 80px;
    }

    .timeline-node::before {
        width: 8px;
        height: 8px;
        border-width: 2px;
    }

    .timeline-node.top::after,
    .timeline-node.bottom::after {
        height: 10px;
    }

    .timeline-items {
        height: 140px;
    }

    .cert-swiper .swiper-slide {
        width: 130px;
        height: 180px;
    }

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

    .cta-desc {
        font-size: 12px;
    }

    .cta-banner {
        min-height: 220px;
        padding: 20px 0;
    }

    .cta-banner.second {
        min-height: 220px;
    }

    .advantage-card {
        padding: 12px 12px;
    }

    .advantage-card img {
        width: 49px;
        margin-right: 10px;
    }

    .advantage-card h2 {
        font-size: 14px;
    }

    .advantage-card p {
        font-size: 11px;
    }
}

@media (max-width: 768px) {
    
    .parallax-section .container-cr {
        padding: 0 12px;
    }

    .timeline-scroll-wrapper {
        padding: 20px 36px;
    }

    .timeline-line-wrap {
        min-height: 280px;
        padding: 20px 0;
    }

    .timeline-axis {
        top: 50%;
        height: 2px;
    }

   
    .timeline-items {
        height: 260px;
        justify-content: space-around;
        gap: 4px;
    }

    .timeline-node {
        max-width: 140px;
        flex: 1;
        min-width: 0;
        
    }

    .timeline-card {
        max-width: 100%;
        padding: 12px 14px;
        border-radius: 10px;
    }

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

    .timeline-card .content {
        font-size: 11px;
        line-height: 1.4;
        word-break: break-word;
    }

   
    .timeline-node.top::after {
        top: 32%;
        height: 28px;
    }

    .timeline-node.bottom::after {
        bottom: 32%;
        height: 28px;
    }

    .timeline-node::before {
        width: 12px;
        height: 12px;
        border-width: 3px;
        box-shadow: 0 0 0 2px #4A90D9, 0 3px 8px rgba(74, 144, 217, 0.25);
    }

    .timeline-nav {
        width: 32px;
        height: 32px;
        font-size: 16px;
        border-width: 1.5px;
    }

    .timeline-nav.prev {
        left: 2px;
    }

    .timeline-nav.next {
        right: 2px;
    }

    .timeline-dots {
        gap: 8px;
        margin-top: 16px;
    }

    .timeline-dots .dot {
        width: 8px;
        height: 8px;
    }

    .timeline-dots .dot.active {
        width: 20px;
    }

    .timeline-header h2 {
        font-size: 28px;
    }

    .timeline-header p {
        font-size: 14px;
        padding: 0 12px;
        line-height: 1.6;
    }

    .timeline-header {
        margin-bottom: 30px;
    }

    .parallax-section {
        background-attachment: scroll;
        padding: 50px 0;
    }
}


@media (max-width: 480px) {
    .parallax-section .container-cr {
        padding: 0 8px;
    }

    .timeline-scroll-wrapper {
        padding: 16px 28px;
    }

    .timeline-line-wrap {
        min-height: 220px;
        padding: 12px 0;
    }

    .timeline-items {
        height: 200px;
        gap: 2px;
    }

    .timeline-node {
        max-width: 100px;
        flex: 1;
    }

    .timeline-card {
        padding: 10px 10px;
        border-radius: 8px;
        border-top-width: 3px;
    }

    .timeline-node.bottom .timeline-card {
        border-bottom-width: 3px;
    }

    .timeline-card .date {
        font-size: 10px;
        margin-bottom: 2px;
    }

    .timeline-card .content {
        font-size: 9px;
        line-height: 1.3;
    }

    .timeline-node.top::after {
        top: 28%;
        height: 22px;
    }

    .timeline-node.bottom::after {
        bottom: 28%;
        height: 22px;
    }

    .timeline-node::before {
        width: 10px;
        height: 10px;
        border-width: 2.5px;
        box-shadow: 0 0 0 2px #4A90D9, 0 2px 6px rgba(74, 144, 217, 0.2);
    }

    .timeline-nav {
        width: 26px;
        height: 26px;
        font-size: 13px;
    }

    .timeline-nav.prev {
        left: 0px;
    }

    .timeline-nav.next {
        right: 0px;
    }

    .timeline-dots {
        gap: 6px;
        margin-top: 12px;
    }

    .timeline-dots .dot {
        width: 6px;
        height: 6px;
    }

    .timeline-dots .dot.active {
        width: 16px;
    }

    .timeline-header h2 {
        font-size: 22px;
    }

    .timeline-header p {
        font-size: 13px;
        padding: 0 8px;
    }

    .timeline-header {
        margin-bottom: 20px;
    }

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


@media (max-width: 380px) {
    .timeline-scroll-wrapper {
        padding: 12px 20px;
    }

    .timeline-line-wrap {
        min-height: 180px;
        padding: 8px 0;
    }

    .timeline-items {
        height: 160px;
        gap: 0px;
    }

    .timeline-node {
        max-width: 80px;
        flex: 1;
    }

    .timeline-card {
        padding: 6px 6px;
        border-radius: 6px;
        border-top-width: 2px;
    }

    .timeline-node.bottom .timeline-card {
        border-bottom-width: 2px;
    }

    .timeline-card .date {
        font-size: 8px;
        margin-bottom: 1px;
    }

    .timeline-card .content {
        font-size: 8px;
        line-height: 1.2;
    }

    .timeline-node.top::after {
        top: 30%;
        height: 24px;
    }

    .timeline-node.bottom::after {
        bottom: 30%;
        height: 22px;
    }

    .timeline-node::before {
        width: 8px;
        height: 8px;
        border-width: 2px;
        box-shadow: 0 0 0 1.5px #4A90D9, 0 2px 4px rgba(74, 144, 217, 0.15);
    }

    .timeline-nav {
        width: 22px;
        height: 22px;
        font-size: 11px;
        border-width: 1px;
    }

    .timeline-dots .dot {
        width: 5px;
        height: 5px;
    }

    .timeline-dots .dot.active {
        width: 12px;
    }

    .timeline-header h2 {
        font-size: 18px;
    }

    .timeline-header p {
        font-size: 12px;
    }

    .parallax-section {
        padding: 20px 0;
    }
}


.timeline-node[style*="visibility:hidden"] {
    visibility: hidden !important;
    flex: 0 0 0 !important;
    max-width: 0 !important;
    padding: 0 !important;
    margin: 0 !important;
    overflow: hidden;
}

@media (max-width: 768px) {
    .timeline-node[style*="visibility:hidden"] {
        flex: 0 0 0 !important;
        max-width: 0 !important;
        padding: 0 !important;
        margin: 0 !important;
        overflow: hidden;
    }
}