/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    word-wrap: break-word;
}

html, body {
    overflow-x: hidden;
    width: 100%;
}

/* Custom Airplane Cursor for Desktop */
@media (min-width: 993px) {
    html, body {
        cursor: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='%23EF7721' transform='rotate(-90)'%3E%3Cpath d='M17.8 19.2L16 11l3.5-3.5C21 6 21.5 4 21 3.5s-2.5 0-4 1.5L13.5 8.5H5.5L3 11l8 2l-3 5l1.5 1.5l3.5-3l3.5 3l1.3-1.3z'%3E%3C/path%3E%3C/svg%3E") 12 12, auto;
    }
    
    a, button, .product-card-link, .icon-btn, .search-submit, .search-close, .lang-btn, .mobile-menu-toggle {
        cursor: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='%23d86515' transform='rotate(-90)'%3E%3Cpath d='M17.8 19.2L16 11l3.5-3.5C21 6 21.5 4 21 3.5s-2.5 0-4 1.5L13.5 8.5H5.5L3 11l8 2l-3 5l1.5 1.5l3.5-3l3.5 3l1.3-1.3z'%3E%3C/path%3E%3C/svg%3E") 12 12, pointer;
    }
}

body {
    font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
    color: #333;
    line-height: 1.5;
    background-color: #f5f7fa;
}

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

ul {
    list-style: none;
}

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

.container {
    width: 1330px;
    margin: 0 auto;
    max-width: 100%;
    padding: 0 15px;
}

/* Header */
.header {
    background: #fff;
    height: 90px;
    width: 100%;
    z-index: 1000;
    transition: all 0.3s ease;
    border-bottom: 1px solid #f0f0f0;
}

.header.scrolled {
    position: fixed;
    top: 0;
    left: 0;
    background: #fff;
    height: 80px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    padding: 0 15px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo img {
    height: 55px;
    width: auto;
    display: block;
    transition: transform 0.3s;
}

.logo:hover img {
    transform: scale(1.05);
}

.logo-text-wrap {
    display: flex;
    flex-direction: column;
}

.logo-title {
    font-size: 22px;
    font-weight: bold;
    color: #EF7721;
    letter-spacing: 1px;
    line-height: 1.1;
    font-family: Arial, sans-serif;
    transition: color 0.3s;
}

.header.scrolled .logo img {
    filter: invert(56%) sepia(91%) saturate(1352%) hue-rotate(345deg) brightness(98%) contrast(91%);
}

.header.scrolled .logo-title {
    color: #EF7721;
}

.logo-subtitle {
    transition: color 0.3s;
    color:#EF7721;
    font-size: 12px;
}

.header.scrolled .logo-subtitle {
    color: #EF7721;
}

.header.scrolled .logo svg path[fill="#fff"] {
    fill: #EF7721;
}

.nav {
    display: flex;
    gap: 40px;
    height: 100%;
    align-items: center;
}

.nav a {
    display: flex;
    align-items: center;
    height: 100%;
    font-size: 18px;
    color:#666;
    position: relative;
    font-weight: 400;
    transition: all 0.3s;
}

.header.scrolled .nav a {
    color: #333;
}

.nav a:hover {
    color: #EF7721;
    opacity: 1;
}

.header.scrolled .nav a:hover {
    color: #EF7721;
}

.nav a.active {
    color: #EF7721;
    font-weight: bold;
}

.header.scrolled .nav a.active {
    color: #EF7721;
}

.nav a.active::after {
    content: '';
    position: absolute;
    bottom: 25px;
    left: 50%;
    transform: translateX(-50%);
    width: 24px;
    height: 2px;
    background: #EF7721;
    transition: background 0.3s;
}

.header.scrolled .nav a.active::after {
    background: #EF7721;
    bottom: 20px;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

.mobile-menu-toggle {
    display: none; /* Hidden on desktop */
    background: transparent;
    border: none;
    color: #fff;
    cursor: pointer;
    padding: 0;
    transition: color 0.3s;
}

.header.scrolled .mobile-menu-toggle {
    color: #EF7721;
}

.mobile-nav-overlay {
    display: none; /* Hidden on desktop */
}

.icon-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    color: #666;
    transition: all 0.3s;
}

.header.scrolled .icon-btn {
    color: #333;
}

.icon-btn:hover {
    opacity: 0.8;
}

.header.scrolled .icon-btn:hover {
    color: #EF7721;
    opacity: 1;
}

.action-divider {
    width: 1px;
    height: 14px;
    background: rgba(255,255,255,0.3);
    transition: background 0.3s;
}

.header.scrolled .action-divider {
    background: #e5e5e5;
}

.lang-btn {
    color: #666;
    font-size: 15px;
    transition: all 0.3s;
    font-weight: 500;
}

.header.scrolled .lang-btn {
    color: #333;
}

.lang-btn:hover {
    opacity: 0.8;
}

.header.scrolled .lang-btn:hover {
    color: #EF7721;
    opacity: 1;
}

/* Search Overlay */
.search-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s ease;
}

.search-overlay.active {
    opacity: 1;
    visibility: visible;
}

.search-container {
    width: 100%;
    max-width: 800px;
    padding: 0 40px;
    position: relative;
}

.search-form {
    display: flex;
    align-items: center;
    border-bottom: 2px solid #fff;
    padding-bottom: 15px;
}

.search-input {
    flex: 1;
    background: transparent;
    border: none;
    color: #fff;
    font-size: 32px;
    outline: none;
    padding: 0 20px;
}

.search-input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.search-submit {
    color: #fff;
    font-size: 24px;
    padding: 10px;
}

.search-close {
    position: absolute;
    top: -100px;
    right: 40px;
    color: #fff;
    font-size: 32px;
    transition: transform 0.3s;
}

.search-close:hover {
    transform: rotate(90deg);
}

/* Hero Section */
.hero {
    position: relative;
    height: 60vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 180px;
    background: linear-gradient(to bottom, rgba(15, 23, 42, 0.7), transparent);
    z-index: 3;
}

/* 引入大厂偏爱的深蓝灰半透物理遮罩，确保文字在任何背景图下均有极致清晰的对比度 */
.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 23, 42, 0.55);
    z-index: 2;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-bg .bg-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity 1s ease-in-out;
    z-index: 1;
}

.hero-bg .bg-img.active {
    opacity: 1;
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 10; /* 调高文本层级确保位于遮罩之上 */
    padding-top: 0;
}

.hero-text-wrap {
    max-width: 850px;
}

/* 极其规整的顶部行业标签 */
.hero-tag-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    padding: 6px 14px;
    border-radius: 6px;
    margin-bottom: 32px; /* 增大间距，让顶部标签独立呼吸 */
}

.tag-dot {
    width: 6px;
    height: 6px;
    background: #EF7721;
    border-radius: 50%;
    display: inline-block;
    box-shadow: 0 0 8px #EF7721;
}

.hero-tag-badge span:last-child {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.85);
    font-weight: 600;
    letter-spacing: 1px;
}

.hero-title {
    font-size: 40px; /* 略微收敛字号至更精致的 44px，避免傻粗大 */
    font-weight: 800;
    color: #fff;
    line-height: 1.25;
    margin-bottom: 10px; /* 增大间距 */
    letter-spacing: 1px;
    text-shadow: 0 2px 20px rgba(15, 23, 42, 0.5);
}

.hero-subtitle-main {
    font-size: 20px; /* 降至 20px，与主标题拉开鲜明的层级落差 */
    font-weight: 500; /* 采用 500 字重，清秀脱俗，不再与主标题抢夺视线 */
    color: #EF7721;
    margin-bottom: 0px; /* 显着拉大到描述文本的距离，体现留白艺术 */
    letter-spacing: 1px;
    text-shadow: 0 2px 15px rgba(15, 23, 42, 0.5);
    margin-bottom:30px;
}

.hero-desc {
    font-size: 14.5px; /* 回归 14.5px 优雅小字，作为补充叙述 */
    color: rgba(255, 255, 255, 0.7); /* 略微减弱亮度，让整体层级过渡极度平滑 */
    margin-bottom: 45px;
    line-height: 1.85; /* 增大行高至 1.85，阅读更轻盈 */
    letter-spacing: 0.5px;
    max-width: 680px;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #EF7721;
    color: #fff;
    padding: 14px 36px;
    border-radius: 6px;
    font-size: 15px;
    font-weight: 700;
    transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 0 4px 15px rgba(239, 119, 33, 0.2);
}

.btn-primary .arrow-svg {
    transition: transform 0.25s ease;
}

.btn-primary:hover {
    background: #d86515;
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 8px 22px rgba(239, 119, 33, 0.3);
}

.btn-primary:hover .arrow-svg {
    transform: translateX(4px);
}

/* Hero Bottom Bar */
.hero-bottom-bar {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    z-index: 4;
    background: rgba(0, 0, 0, 0.35);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    padding: 24px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.hero-features {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 80px;
}

.h-feature-item {
    display: flex;
    align-items: center;
    gap: 16px;
    color: #fff;
}

.h-feature-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    color: #fff;
}

.h-feature-text h4 {
    font-size: 18px;
    font-weight: bold;
    margin-bottom: 4px;
    letter-spacing: 1px;
}

.h-feature-text p {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.7);
    margin: 0;
}

.h-feature-divider {
    width: 1px;
    height: 36px;
    background: rgba(255, 255, 255, 0.2);
}

/* Features Section */
.features {
    position: relative;
    z-index: 10;
    margin-top: -60px;
    padding-bottom: 60px;
}

.features-card {
    background: #fff;
    border-radius: 16px;
    padding: 40px 0;
    display: flex;
    align-items: center;
    box-shadow: 0 10px 40px rgba(0,0,0,0.08);
}

.feature-item {
    flex: 1;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 20px;
    padding: 0 20px;
}

.feature-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.feature-text h3 {
    font-size: 20px;
    font-weight: bold;
    color: #1a1a1a;
    margin-bottom: 8px;
}

.feature-text p {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
}

.feature-divider {
    width: 1px;
    height: 60px;
    background: #eee;
}

/* Modern Advantages Section (Old Style, New Layout) */
.advantages-modern {
    background: #f8f9fa;
    position: relative;
}

.adv-modern-inner-vertical {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 40px;
}

@media (max-width: 992px) {
    .adv-modern-inner-vertical {
        grid-template-columns: 1fr;
    }
}

.adv-modern-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 20px;
    background: #fff;
    padding: 40px 30px;
    border-radius: 12px;
    transition: all 0.3s;
    border: 1px solid #eee;
    height: 100%;
}

.adv-modern-item:hover {
    transform: translateY(-10px);
    border-color: #EF7721;
    box-shadow: 0 10px 30px rgba(239, 119, 33, 0.1);
}

.adv-modern-icon {
    flex: 0 0 70px;
    width: 70px;
    height: 70px;
    background: #fdf2e9;
    color: #EF7721;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
    margin-bottom: 5px;
}

.adv-modern-item:hover .adv-modern-icon {
    background: #EF7721;
    color: #fff;
}

.adv-modern-info h3 {
    font-size: 20px;
    font-weight: bold;
    color: #1a1a1a;
    margin-bottom: 15px;
}

.adv-modern-info p {
    font-size: 14.5px;
    color: #666;
    line-height: 1.8;
    margin: 0;
    text-align: left;
}

.adv-side-desc {
    font-size: 16px;
    color: #666;
    line-height: 1.8;
    max-width: 800px;
    margin: 0 auto;
}
.section-padding {
    padding: 80px 0;
}

.section-header {
    position: relative;
    margin-bottom: 40px;
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
}

.section-header.center {
    justify-content: center;
}

.section-title-wrap {
    text-align: left;
}

.section-header.center .section-title-wrap {
    text-align: center;
}

.section-title {
    font-size: 32px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 15px;
    letter-spacing: 1px;
    line-height: 1.3;
}

.title-line {
    width: 24px;
    height: 3px;
    background: #EF7721;
    margin: 0;
    border-radius: 2px;
    margin-bottom: 20px;
}

.section-header.center .title-line {
    margin: 0 auto;
}

.title-line.left {
    margin: 0;
}

.view-all {
    position: absolute;
    right: 0;
    bottom: 5px;
    font-size: 14px;
    color: #666;
    display: flex;
    align-items: center;
    gap: 4px;
    transition: color 0.3s;
}

.view-all:hover {
    color: #EF7721;
}

/* Innovative Products Section Redesign */
.products-innovative {
    background: #fcfdfe;
    position: relative;
    overflow: hidden;
}

.products-innovative::before {
    content: '';
    position: absolute;
    top: -10%;
    right: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(239, 119, 33, 0.05) 0%, rgba(255,255,255,0) 70%);
    z-index: 1;
    pointer-events: none;
}

.products-innovative .container {
    position: relative;
    z-index: 2;
}

.innovative-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 60px;
    gap: 40px;
}

.header-left .section-title {
    margin-bottom: 20px;
    font-size: 32px;
    font-weight: 700;
    color: #1a1a1a;
    position: relative;
}

.header-right {
    max-width: 500px;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

.header-right .header-desc {
    font-size: 15px;
    color: #666;
    line-height: 1.8;
    margin-bottom: 20px;
    text-align: right;
}

.slider-controls {
    display: flex;
    gap: 15px;
}

.swiper-btn-prev, .swiper-btn-next {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 1px solid rgba(0, 0, 0, 0.1);
    background: #fff;
    color: #1a1a1a;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    user-select: none;
}

.swiper-btn-prev:hover, .swiper-btn-next:hover {
    background: #EF7721;
    color: #fff;
    border-color: #EF7721;
    box-shadow: 0 5px 15px rgba(239, 119, 33, 0.3);
}

.btn-more {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 15px;
    color: #1a1a1a;
    font-weight: 600;
    transition: all 0.3s;
}

.btn-more svg {
    transition: transform 0.3s;
}

.btn-more:hover {
    color: #EF7721;
}

.btn-more:hover svg {
    transform: translateX(5px);
}

.products-swiper {
    width: 100%;
    padding: 20px 0 60px 0 !important;
    overflow: hidden !important;
}

/* Swiper Pagination Style */
.products-swiper .swiper-pagination-bullet {
    width: 8px;
    height: 8px;
    background: rgba(0, 0, 0, 0.2);
    opacity: 1;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.products-swiper .swiper-pagination-bullet-active {
    background: #EF7721 !important;
    width: 24px !important;
    border-radius: 4px !important;
}

.innovative-item {
    height: 480px;
    box-sizing: border-box;
}

.innovative-card {
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    width: 100%;
    height: 100%;
    background: #ffffff;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.02);
    border: 1px solid rgba(0, 0, 0, 0.05);
    transition: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.card-num {
    position: absolute;
    top: 30px;
    right: 30px;
    left: auto;
    font-size: 18px;
    font-weight: 700;
    color: rgba(26, 26, 26, 0.4);
    z-index: 3;
    font-family: 'Noto Sans SC', sans-serif;
    transition: all 0.5s;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    width: 38px;
    height: 38px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255, 255, 255, 0.5);
}

.card-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.card-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, 
                rgba(26, 26, 26, 0) 20%, 
                rgba(26, 26, 26, 0.4) 50%, 
                rgba(26, 26, 26, 0.95) 100%);
    opacity: 0.85;
    transition: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 2;
}

.card-content {
    position: relative;
    width: 100%;
    padding: 40px;
    z-index: 3;
    transition: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

@media (min-width: 992px) {
    .innovative-card .card-desc {
        font-size: 14px;
        color: rgba(255, 255, 255, 0.75);
        line-height: 1.6;
        margin-bottom: 20px;
        opacity: 0.9;
        visibility: visible;
        height: auto;
        transform: none;
    }
    
    .innovative-card .card-link-text {
        opacity: 1;
        visibility: visible;
        transform: none;
    }
}

.card-title {
    font-size: 20px;
    color: #fff;
    font-weight: 700;
    margin-bottom: 12px;
    transition: all 0.5s;
    line-height: 1.4;
}

.card-title::before {
    content: '';
    display: block;
    width: 0;
    height: 3px;
    background: #EF7721;
    margin-bottom: 12px;
    transition: width 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    border-radius: 2px;
}

.innovative-card:hover .card-title::before {
    width: 40px;
}

.card-desc {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-link-text {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: #fff;
    background: #EF7721;
    padding: 10px 20px;
    border-radius: 30px;
    font-weight: 600;
    transition: all 0.3s;
    box-shadow: 0 4px 15px rgba(239, 119, 33, 0.3);
}

.card-link-text svg {
    transition: transform 0.3s;
}

.card-link-text:hover {
    background: #fff;
    color: #EF7721;
    box-shadow: 0 4px 15px rgba(255, 255, 255, 0.3);
}

.card-link-text:hover svg {
    transform: translateX(4px);
}

.innovative-card:hover {
    transform: translateY(-12px);
    box-shadow: 0 30px 60px rgba(0,0,0,0.15);
    border-color: rgba(239, 119, 33, 0.2);
}

.innovative-card:hover .card-num {
    background: #EF7721;
    color: #fff;
    border-color: #EF7721;
}

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

.innovative-card:hover .card-overlay {
    opacity: 0.9;
    background: linear-gradient(to bottom, 
                rgba(239, 119, 33, 0.15) 0%, 
                rgba(26, 26, 26, 0.5) 40%, 
                rgba(26, 26, 26, 0.98) 100%);
}

/* Product Category Grid (New Layout) */
.products-category-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.product-cat-card {
    position: relative;
    display: block;
    border-radius: 16px;
    overflow: hidden;
    background: #fff;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    height: 380px;
}

.product-cat-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.product-cat-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.product-cat-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, transparent 40%, rgba(26, 26, 26, 0.8) 100%);
    z-index: 2;
    transition: all 0.5s;
}

.product-cat-content {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 30px;
    z-index: 3;
    transition: all 0.5s;
}

.product-cat-title {
    font-size: 20px;
    color: #fff;
    font-weight: 700;
    margin-bottom: 15px;
    transition: all 0.3s;
}

.product-cat-more {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.8);
    opacity: 0;
    transform: translateY(10px);
    transition: all 0.4s;
}

.product-cat-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(239, 119, 33, 0.15);
}

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

.product-cat-card:hover .product-cat-overlay {
    background: linear-gradient(to bottom, rgba(239, 119, 33, 0.2) 0%, rgba(26, 26, 26, 0.9) 100%);
}

.product-cat-card:hover .product-cat-more {
    opacity: 1;
    transform: translateY(0);
}

@media (max-width: 1200px) {
    .products-category-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    .products-category-grid {
        grid-template-columns: 1fr;
    }
}

/* Products Section */
.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.product-card {
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    transition: all 0.3s;
    border: 1px solid #f0f0f0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.02);
}

.product-card-link {
    display: block;
    text-decoration: none;
    height: 100%;
    color: inherit;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
    border-color: transparent;
}

.product-img {
    height: 280px;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f8f9fa; /* 匹配UI中图片区域的浅灰色底 */
}

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

.product-info {
    position: relative;
    padding: 20px 20px 24px;
}

.product-title {
    font-size: 18px;
    font-weight: bold;
    color: #1a1a1a;
    margin-bottom: 16px;
}

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

.product-desc {
    font-size: 13px;
    color: #888;
}

.product-arrow {
    color: #EF7721;
    display: flex;
    align-items: center;
    transition: transform 0.3s;
}

.product-card:hover .product-arrow {
    transform: translateX(5px);
}
/* New About Section */
.about-new {
    background: #fff;
    overflow: hidden;
}

.about-new-inner {
    display: flex;
    align-items: center;
    gap: 80px;
}

.about-new-left {
    flex: 0 0 600px;
}

.about-image-stack {
    position: relative;
    padding-bottom: 50px;
    padding-right: 50px;
}

.image-main {
    position: relative;
    z-index: 2;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

.image-main img {
    width: 100%;
    display: block;
}

.image-sub {
    position: absolute;
    right: 0;
    bottom: 0;
    width: 280px;
    z-index: 3;
    border: 8px solid #fff;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.image-sub img {
    width: 100%;
    display: block;
}

.experience-badge {
    position: absolute;
    left: -30px;
    top: 50px;
    z-index: 4;
    background: #EF7721;
    color: #fff;
    padding: 25px;
    border-radius: 15px;
    display: flex;
    align-items: center;
    gap: 15px;
    box-shadow: 0 10px 30px rgba(239, 119, 33, 0.3);
}

.experience-badge.right-badge {
    left: auto;
    right: -30px;
}

.exp-num {
    font-size: 48px;
    font-weight: 800;
    line-height: 1;
}

.exp-text {
    font-size: 12px;
    font-weight: 600;
    line-height: 1.2;
    letter-spacing: 1px;
}

.about-new-right {
    flex: 1;
}

.about-content-new .section-title {
    margin-bottom: 20px;
}

.about-main-text {
    color: #1a1a1a;
    font-weight: 600;
    margin-bottom: 20px;
    line-height: 1.6;
}

.about-sub-text {
    font-size: 15px;
    color: #666;
    line-height: 1.8;
    margin-bottom: 35px;
}

.about-stats-new {
    display: flex;
    gap: 40px;
    margin-bottom: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid #eee;
}

.stat-box {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 36px;
    font-weight: 800;
    color: #EF7721;
    line-height: 1;
    margin-bottom: 10px;
}

.stat-number small {
    font-size: 18px;
    margin-left: 2px;
}

.stat-info {
    font-size: 14px;
    color: #888;
}

.btn-more-about {
    display: inline-flex;
    align-items: center;
    gap: 15px;
    background: #1a1a1a;
    color: #fff;
    padding: 15px 35px;
    border-radius: 20px;
    font-weight: 600;
    transition: all 0.3s;
}

.btn-more-about:hover {
    background: #EF7721;
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(239, 119, 33, 0.2);
}

.btn-more-about svg {
    transition: transform 0.3s;
}

.btn-more-about:hover svg {
    transform: translateX(5px);
}

/* News Tech Section */
.news-tech {
    background: #fdfdfd;
}

.news-tech-layout {
    display: flex;
    gap: 40px;
    margin-top: 50px;
}

.news-tech-featured {
    flex: 0 0 55%;
}

.featured-card {
    position: relative;
    display: block;
    height: 100%;
    min-height: 500px;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

.featured-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.featured-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.featured-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, transparent 30%, rgba(0,0,0,0.85) 100%);
    z-index: 2;
    transition: opacity 0.5s;
}

.featured-content {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 50px;
    z-index: 3;
}

.news-tag {
    display: inline-block;
    padding: 6px 15px;
    background: #EF7721;
    color: #fff;
    font-size: 12px;
    font-weight: 600;
    border-radius: 4px;
    margin-bottom: 20px;
}

.featured-content .news-date {
    display: block;
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
    margin-bottom: 15px;
}

.featured-content .news-title {
    color: #fff;
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.4;
}

.featured-content .news-desc {
    color: rgba(255, 255, 255, 0.8);
    font-size: 15px;
    line-height: 1.8;
    margin-bottom: 30px;
}

.read-more {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: #EF7721;
    font-weight: 700;
    font-size: 15px;
    transition: all 0.3s;
}

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

.featured-card:hover .read-more {
    color: #fff;
    gap: 15px;
}

.news-tech-list {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.news-tech-item {
    background: #fff;
    border-radius: 15px;
    border: 1px solid #eee;
    transition: all 0.3s;
}

.item-link {
    display: flex;
    align-items: center;
    padding: 25px;
    gap: 25px;
}

.item-date {
    flex: 0 0 80px;
    height: 80px;
    background: #f8f9fa;
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
}

.item-date .day {
    font-size: 24px;
    font-weight: 800;
    color: #1a1a1a;
    line-height: 1;
}

.item-date .year-month {
    font-size: 12px;
    color: #888;
    margin-top: 5px;
}

.item-info {
    flex: 1;
}

.item-info .news-title {
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 8px;
    color: #1a1a1a;
    transition: color 0.3s;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.item-info .news-desc {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.item-arrow {
    flex: 0 0 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid #eee;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ccc;
    transition: all 0.3s;
}

.news-tech-item:hover {
    border-color: #EF7721;
    transform: translateX(10px);
    box-shadow: 0 10px 30px rgba(239, 119, 33, 0.1);
}

.news-tech-item:hover .item-date {
    background: #EF7721;
}

.news-tech-item:hover .item-date .day,
.news-tech-item:hover .item-date .year-month {
    color: #fff;
}

.news-tech-item:hover .item-info .news-title {
    color: #EF7721;
}

.news-tech-item:hover .item-arrow {
    background: #EF7721;
    border-color: #EF7721;
    color: #fff;
}

.btn-news-all {
    margin-top: auto;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    height: 60px;
    background: #f8f9fa;
    border-radius: 12px;
    color: #1a1a1a;
    font-weight: 600;
    transition: all 0.3s;
    border: 1px solid #eee;
}

.btn-news-all:hover {
    background: #EF7721;
    color: #fff;
    border-color: #EF7721;
    transform: translateY(-3px);
}

.btn-news-all svg {
    transition: transform 0.3s;
}

.btn-news-all:hover svg {
    transform: translateX(5px);
}

/* Floating Customer Service */
.side-service {
    position: fixed;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 999;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.service-item {
    position: relative;
    width: 50px;
    height: 50px;
    background: #fff;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #1a1a1a;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    cursor: pointer;
    transition: all 0.3s;
}

.service-item:hover {
    background: #EF7721;
    color: #fff;
}

.service-pop {
    position: absolute;
    right: 60px;
    top: 50%;
    transform: translateY(-50%) translateX(20px);
    background: #fff;
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
    pointer-events: none;
    text-align: center;
    min-width: 150px;
}

.service-item:hover .service-pop {
    opacity: 1;
    visibility: visible;
    transform: translateY(-50%) translateX(0);
}

.pop-phone {
    display: block;
    font-size: 18px;
    font-weight: 700;
    color: #EF7721;
    white-space: nowrap;
}

.pop-label {
    display: block;
    font-size: 13px;
    color: #666;
    margin-bottom: 5px;
}

.pop-qrcode {
    width: 120px;
    height: 120px;
    margin-bottom: 10px;
}

.pop-qrcode img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.pop-tip {
    display: block;
    font-size: 12px;
    color: #999;
}
/* Partners Section */
.partners {
    background: #fff;
    padding-bottom: 100px;
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 20px;
    margin-bottom: 60px;
}

.partner-card {
    height: 120px;
    background: #fff;
    border-radius: 8px;
    border: 1px solid #f0f0f0;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
    cursor: pointer;
    box-shadow: 0 2px 10px rgba(0,0,0,0.02);
}

.partner-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.08);
    border-color: transparent;
}

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

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

.partner-name {
    display: none; /* Hide text, only show logos for partners */
}

/* CTA Banner */
.cta-banner {
    position: relative;
    background: linear-gradient(135deg, #d86515 0%, #EF7721 50%, #d86515 100%);
    border-radius: 12px;
    padding: 50px 80px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(239, 119, 33, 0.3);
}

.cta-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('../images/dq.avif');
    background-size: cover;
    background-position: center;
    opacity: 0.3;
    mix-blend-mode: overlay;
    z-index: 1;
}

.cta-content {
    position: relative;
    z-index: 2;
}

.cta-content h2 {
    font-size: 32px;
    color: #fff;
    font-weight: 700;
    margin-bottom: 12px;
    letter-spacing: 2px;
}

.cta-content p {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.85);
    letter-spacing: 1px;
}

.btn-outline-white {
    position: relative;
    z-index: 2;
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 12px 40px;
    border: 1px solid rgba(255, 255, 255, 0.4);
    border-radius: 30px;
    color: #fff;
    font-size: 16px;
    transition: all 0.3s;
    background: transparent;
}

.btn-outline-white:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: #fff;
}

/* Industry Vertical Culture Section */
.about-culture-vertical {
    background: #fff;
    overflow: hidden;
}

.about-culture-vertical .top-tag {
    display: block;
    font-size: 13px;
    color: #EF7721;
    font-weight: 700;
    letter-spacing: 2px;
    margin-bottom: 15px;
}

.culture-vertical-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-top: 50px;
    height: 500px;
}

.culture-v-card {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    height: 100%;
    transition: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    cursor: pointer;
}

.v-card-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.v-card-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.7) grayscale(0.2);
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.v-card-bg::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
   
    z-index: 2;
    transition: opacity 0.5s;
}

.v-card-content {
    position: relative;
    z-index: 3;
    height: 100%;
    padding: 40px 30px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    color: #fff;
}

.v-card-num {
    position: absolute;
    top: 40px;
    left: 30px;
    font-size: 32px;
    font-weight: 800;
    font-family: 'Orbitron', sans-serif;
    color: rgba(255, 255, 255, 0.2);
    transition: all 0.4s;
}

.v-card-info h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 20px;
    transition: all 0.4s;
    white-space: nowrap;
}

.v-card-line {
    width: 30px;
    height: 2px;
    background: #EF7721;
    margin-bottom: 20px;
    transition: width 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.v-card-info p {
    font-size: 14px;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.8);
    opacity: 0.9;
    /* 默认限制行数，Hover 时展开或通过高度压缩腾出空间 */
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Hover Effects: Expanding the card width for focus */
.culture-v-card:hover {
    flex: 1.5;
    box-shadow: 0 30px 60px rgba(0,0,0,0.3);
}

.culture-vertical-grid:has(.culture-v-card:hover) .culture-v-card:not(:hover) {
    opacity: 0.7;
    filter: blur(2px);
}

.culture-v-card:hover .v-card-bg img {
    transform: scale(1.1);
    filter: brightness(0.8) grayscale(0);
}

.culture-v-card:hover .v-card-num {
    color: #EF7721;
    transform: translateY(-10px);
}

.culture-v-card:hover .v-card-info h3 {
    color: #fff;
    transform: translateY(-5px);
}

.culture-v-card:hover .v-card-line {
    width: 60px;
}

@media (max-width: 1200px) {
    .culture-vertical-grid {
        grid-template-columns: repeat(2, 1fr);
        height: auto;
    }
    .culture-v-card {
        height: 400px;
    }
}

@media (max-width: 768px) {
    .culture-vertical-grid {
        grid-template-columns: 1fr;
    }
    .culture-v-card {
        height: 350px;
    }
}

/* Company History Horizontal Timeline */
.company-history {
    background: #fff;
    position: relative;
    overflow: hidden;
}

.history-timeline-wrap-horizontal {
    position: relative;
    padding: 60px 0;
    margin-top: 20px;
}

.history-timeline-horizontal {
    display: flex;
    justify-content: space-between;
    position: relative;
    gap: 20px;
}

.history-timeline-horizontal::before {
    content: '';
    position: absolute;
    top: 25px;
    left: 0;
    width: 100%;
    height: 2px;
    background: #eee;
    z-index: 1;
}

.history-item-h {
    flex: 1;
    position: relative;
    z-index: 2;
    padding-top: 50px;
    min-width: 0;
}

.history-dot-h {
    position: absolute;
    top: 17px;
    left: 0;
    width: 16px;
    height: 16px;
    background: #fff;
    border: 3px solid #EF7721;
    border-radius: 50%;
    transition: all 0.3s;
}

.history-item-h:hover .history-dot-h {
    background: #EF7721;
    transform: scale(1.3);
    box-shadow: 0 0 10px rgba(239, 119, 33, 0.5);
}

.history-content-h {
    transition: all 0.3s;
}

.history-year-h {
    font-size: 24px;
    font-weight: 800;
    color: #EF7721;
    margin-bottom: 15px;
    font-family: 'Arial', sans-serif;
}

.history-name-h {
    font-size: 18px;
    color: #1a1a1a;
    font-weight: 700;
    margin-bottom: 12px;
    position: relative;
    padding-bottom: 10px;
}

.history-name-h::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background: #EF7721;
}

.history-desc-h p {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
    margin: 0;
}

@media (max-width: 992px) {
    .history-timeline-horizontal {
        flex-direction: column;
        gap: 40px;
    }
    .history-timeline-horizontal::before {
        left: 7px;
        top: 0;
        width: 2px;
        height: 100%;
    }
    .history-item-h {
        padding-top: 0;
        padding-left: 40px;
    }
    .history-dot-h {
        top: 5px;
        left: 0;
    }
}
/* Qualifications & Honors Section */
.qualifications-honors {
    background: #fcfdfe;
}

.honors-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-top: 50px;
}

.honor-card {
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.03);
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    border: 1px solid #f0f0f0;
}

.honor-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(239, 119, 33, 0.1);
    border-color: #EF7721;
}

.honor-img-box {
    position: relative;
    width: 100%;
    aspect-ratio: 1 / 1.4;
    overflow: hidden;
    background: #f8f8f8;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.honor-img-box img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    transition: transform 0.6s;
}

.honor-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(239, 119, 33, 0.85);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s;
}

.view-honor-icon {
    color: #fff;
    transform: scale(0.5);
    transition: transform 0.4s;
}

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

.honor-card:hover .view-honor-icon {
    transform: scale(1);
}

.honor-card:hover .honor-img-box img {
    transform: scale(1.05);
}

.honor-info {
    padding: 20px;
    text-align: center;
    border-top: 1px solid #f5f5f5;
}

.honor-info h3 {
    font-size: 15px;
    color: #333;
    font-weight: 600;
    margin: 0;
    transition: color 0.3s;
    line-height: 1.4;
}

.honor-card:hover .honor-info h3 {
    color: #EF7721;
}

@media (max-width: 1200px) {
    .honors-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .honors-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
}

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

.footer {
    background: #EF7721;
    color: #fff;
    padding-top: 30px;
}

.footer-top {
    display: grid;
    grid-template-columns: 2.5fr 1fr 1fr 1fr 1.5fr;
    gap: 40px;
    padding-bottom: 10px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

/* Brand Column */
.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.footer-logo svg {
    width: 28px;
    height: auto;
}

.footer-logo span {
    font-size: 18px;
    font-weight: 700;
    color: #fff;
    letter-spacing: 1px;
}

.footer-desc {
    font-size: 13px;
    color: #fff;
    line-height: 1.8;
    margin-bottom: 24px;
    padding-right: 40px;
}

.footer-socials {
    display: flex;
    gap: 16px;
}

.social-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: #fff;
    transition: all 0.3s;
}

.social-icon:hover {
    background: #EF7721;
}

/* Links Columns */
.footer-links h4, .footer-contact h4 {
    font-size: 16px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 15px;
}

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

.footer-links ul li {
    margin-bottom: 0px;
}

.footer-links ul li a {
    font-size: 13px;
    color: #fff;
    transition: color 0.3s;
}

.footer-links ul li a:hover {
    color: #fff;
}

/* Contact Column */
.footer-contact ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-contact ul li {
    font-size: 13px;
    color: #fff;
    margin-bottom: 10px;
    line-height: 1.6;
}

/* Footer Bottom */
.footer-bottom {
    padding: 12px 0;
    text-align: center;
}

.footer-bottom p {
    font-size: 13px;
    color: #fff;
    margin: 0;
}

/* Back to Top Button */
.back-to-top {
    position: fixed !important;
    right: 30px;
    bottom: 30px;
    width: 50px;
    height: 50px;
    background-color: #EF7721 !important;
    color: #fff !important;
    border-radius: 50% !important; /* Changed to circle for better visibility */
    display: flex !important;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 999999 !important;
    opacity: 0;
    visibility: hidden;
    border: 2px solid #fff !important; /* Visible border */
    outline: none !important;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275) !important;
    box-shadow: 0 4px 20px rgba(0,0,0,0.2) !important;
    transform: translateY(100px) scale(0.5); /* Hide below screen */
}

.back-to-top.active {
    opacity: 1 !important;
    visibility: visible !important;
    transform: translateY(0) scale(1);
}

.back-to-top:hover {
    background-color: #d86515 !important;
    transform: translateY(-5px) scale(1.1);
}

@media (max-width: 768px) {
    .back-to-top {
        right: 20px;
        bottom: 20px;
        width: 44px;
        height: 44px;
    }
}