/* ========================================
   QUNHUI Industrial Equipment - Main Stylesheet
   优化版本 - 主体宽度80%，增强视觉效果
   ======================================== */

/* CSS Variables */
:root {
    --zs-primary: #0066CC;
    --zs-primary-dark: #004C99;
    --zs-primary-light: #3399FF;
    --zs-primary-gradient: linear-gradient(135deg, #0066CC 0%, #0088FF 100%);
    --zs-accent: #FF6B35;
    --zs-accent-hover: #E55A2B;
    --zs-accent-gradient: linear-gradient(135deg, #FF6B35 0%, #FF8F5A 100%);
    --zs-text-dark: #111111;
    --zs-text-gray: #555555;
    --zs-text-light: #888888;
    --zs-bg-light: #F5F7FA;
    --zs-bg-dark: #0F1629;
    --zs-bg-dark-secondary: #1A2744;
    --zs-white: #FFFFFF;
    --zs-border: #E0E4E8;
    --zs-shadow: rgba(0, 0, 0, 0.08);
    --zs-shadow-hover: rgba(0, 102, 204, 0.15);
    --zs-shadow-lg: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
    --zs-transition: cubic-bezier(0.4, 0, 0.2, 1);
    --zs-font-en: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --zs-font-cn: 'PingFang SC', 'Microsoft YaHei', sans-serif;
    --zs-container-width: 80%;
    --zs-container-max: 1600px;
    --zs-radius-sm: 6px;
    --zs-radius-md: 10px;
    --zs-radius-lg: 12px;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--zs-font-en);
    color: var(--zs-text-dark);
    line-height: 1.7;
    background: var(--zs-white);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s var(--zs-transition);
}

ul, ol {
    list-style: none;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--zs-font-en);
    font-weight: 700;
    line-height: 1.3;
    color: var(--zs-text-dark);
    letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.25rem, 5vw, 3.75rem); }
h2 { font-size: clamp(1.875rem, 4vw, 2.75rem); }
h3 { font-size: clamp(1.375rem, 3vw, 1.875rem); }
h4 { font-size: clamp(1.125rem, 2.5vw, 1.375rem); }
h5 { font-size: 1.0625rem; }
h6 { font-size: 0.9375rem; }

p {
    margin-bottom: 1rem;
    color: var(--zs-text-gray);
    line-height: 1.8;
}

strong {
    font-weight: 600;
    color: var(--zs-primary);
}

/* ========================================
   LAYOUT - 主体宽度80%
   ======================================== */
.zs-container {
    width: var(--zs-container-width);
    max-width: var(--zs-container-max);
    margin: 0 auto;
    padding: 0 20px;
}

/* Grid System */
.zs-wz {
    width: 100%;
    display: flex;
    flex-wrap: wrap;
    margin: 0 -15px;
}

.cl::after {
    content: "";
    display: table;
    clear: both;
}

[class*="zs-md-"], [class*="zs-ml-"], [class*="zs-mr-"] {
    padding: 0 15px;
    float: left;
}

.zs-md-2 { width: 50%; }
.zs-md-3 { width: 33.333%; }
.zs-md-4 { width: 25%; }
.zs-ml-3 { width: 30%; }
.zs-mr-7 { width: 70%; }
.zs-ml-7 { width: 70%; }
.zs-mr-3 { width: 30%; }

/* ========================================
   BUTTONS - 增强按钮样式
   ======================================== */
.zs-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 16px 36px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--zs-radius-sm);
    border: none;
    cursor: pointer;
    transition: all 0.4s var(--zs-transition);
    gap: 10px;
    position: relative;
    overflow: hidden;
    letter-spacing: 0.02em;
}

.zs-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.zs-btn:hover::before {
    left: 100%;
}

.zs-btn-primary {
    background: var(--zs-primary-gradient);
    color: var(--zs-white);
    box-shadow: 0 4px 15px rgba(0, 102, 204, 0.3);
}

.zs-btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(0, 102, 204, 0.4);
}

.zs-btn-accent {
    background: var(--zs-accent-gradient);
    color: var(--zs-white);
    box-shadow: 0 4px 15px rgba(255, 107, 53, 0.3);
}

.zs-btn-accent:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(255, 107, 53, 0.4);
}

.zs-btn-outline {
    background: var(--zs-accent);
    color: var(--zs-white);
    border: 2px solid var(--zs-accent);
    box-shadow: 0 4px 15px rgba(255, 107, 53, 0.3);
}

.zs-btn-outline:hover {
    background: var(--zs-white);
    color: var(--zs-accent);
    border-color: var(--zs-white);
}

.zs-btn-white {
    background: var(--zs-white);
    color: var(--zs-primary);
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.zs-btn-white:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.15);
}

/* ========================================
   SECTION STYLES - 增强区块样式
   ======================================== */
.zs-section {
    padding: 100px 0;
    position: relative;
}

.zs-section-title {
    text-align: center;
    margin-bottom: 60px;
}

.zs-section-title h2 {
    margin-bottom: 20px;
    position: relative;
    display: inline-block;
}

.zs-section-title h2::after {
    content: '';
    position: absolute;
    bottom: -12px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--zs-primary-gradient);
    border-radius: 2px;
}

.zs-section-title p {
    font-size: 1.125rem;
    max-width: 900px;
    margin: 20px auto 0;
    color: var(--zs-text-gray);
}

/* ========================================
   HEADER STYLES - 优化导航
   ======================================== */
.zs-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 20px 0;
    transition: all 0.4s var(--zs-transition);
    background: transparent;
}

.zs-header .zs-container {
    width: 95%;
    max-width: none;
}

.zs-header.scrolled {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.08);
    padding: 12px 0;
}

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

.zs-logo {
    display: flex;
    align-items: center;
    font-weight: 400;
    margin: 0;
}

.zs-logo img {
    height: 48px;
    width: auto;
    transition: all 0.3s var(--zs-transition);
    filter: brightness(0) invert(1);
}

.zs-header.scrolled .zs-logo img {
    filter: none;
}

.zs-logo a {
    display: flex;
    align-items: center;
}

/* Navigation */
.zs-nav {
    display: flex;
    align-items: center;
}

.zs-nav-list {
    display: flex;
    align-items: center;
    gap: 6px;
}

.zs-nav-item {
    position: relative;
}

.zs-nav-link {
    display: flex;
    align-items: center;
    padding: 14px 40px;
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--zs-white);
    transition: all 0.3s var(--zs-transition);
    border-radius: 6px;
}

.zs-header.scrolled .zs-nav-link {
    color: var(--zs-text-dark);
}

.zs-nav-link:hover {
    color: var(--zs-primary);
    background: rgba(0, 102, 204, 0.08);
}

.zs-nav-link svg {
    width: 16px;
    height: 16px;
    margin-left: 4px;
    transition: transform 0.3s var(--zs-transition);
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.zs-nav-item:hover .zs-nav-link svg {
    transform: rotate(180deg);
}

/* Dropdown Menu */
.zs-dropdown {
    position: absolute;
    top: calc(100% + 10px);
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    min-width: 240px;
    background: var(--zs-white);
    border-radius: var(--zs-radius-md);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s var(--zs-transition);
    padding: 12px 0;
    border: 1px solid var(--zs-border);
}

.zs-dropdown::before {
    content: '';
    position: absolute;
    top: -8px;
    left: 50%;
    transform: translateX(-50%);
    border-left: 8px solid transparent;
    border-right: 8px solid transparent;
    border-bottom: 8px solid var(--zs-white);
}

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

.zs-dropdown-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 24px;
    font-size: 0.9rem;
    color: var(--zs-text-gray);
    transition: all 0.3s var(--zs-transition);
}

.zs-dropdown-link svg {
    width: 14px;
    height: 14px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
    opacity: 0.5;
    transition: all 0.3s var(--zs-transition);
}

.zs-dropdown-link:hover {
    color: var(--zs-primary);
    background: var(--zs-bg-light);
    padding-left: 30px;
}

.zs-dropdown-link:hover svg {
    opacity: 1;
    transform: translateX(3px);
}

/* Mega Dropdown for Products */
.zs-dropdown-mega {
    min-width: 280px;
}

.zs-dropdown-parent {
    position: relative;
}

.zs-dropdown-sub {
    position: absolute;
    top: 0;
    left: 100%;
    min-width: 240px;
    background: var(--zs-white);
    border-radius: var(--zs-radius-md);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s var(--zs-transition);
    padding: 12px 0;
    border: 1px solid var(--zs-border);
    transform: translateX(10px);
}

.zs-dropdown-parent:hover .zs-dropdown-sub {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
}

.zs-dropdown-sub li a {
    display: block;
    padding: 10px 20px;
    font-size: 0.875rem;
    color: var(--zs-text-gray);
    transition: all 0.3s var(--zs-transition);
}

.zs-dropdown-sub li a:hover {
    color: var(--zs-primary);
    background: var(--zs-bg-light);
    padding-left: 26px;
}

/* Header Actions */
.zs-header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.zs-header-cta {
    padding: 12px 28px;
    font-size: 0.9rem;
}

/* Mobile Menu Toggle */
.zs-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    padding: 10px;
    cursor: pointer;
    background: none;
    border: none;
}

.zs-menu-toggle span {
    width: 26px;
    height: 2px;
    background: var(--zs-white);
    transition: all 0.3s var(--zs-transition);
    border-radius: 2px;
}

.zs-header.scrolled .zs-menu-toggle span {
    background: var(--zs-text-dark);
}

/* ========================================
   HERO SECTION - 增强视觉效果
   ======================================== */
.zs-hero {
    position: relative;
    height: 100vh;
    min-height: 750px;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: linear-gradient(135deg, var(--zs-bg-dark) 0%, var(--zs-bg-dark-secondary) 100%);
}

.zs-hero-slider {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.zs-hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1.2s var(--zs-transition);
}

.zs-hero-slide.active {
    opacity: 1;
}

.zs-hero-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.35);
    transform: scale(1.05);
    transition: transform 8s ease-out;
}

.zs-hero-slide.active img {
    transform: scale(1);
}

.zs-hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(15, 22, 41, 0.08) 0%, rgba(26, 39, 68, 0.05) 100%);
}

.zs-hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    pointer-events: none;
}

.zs-particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--zs-primary-light);
    border-radius: 50%;
    opacity: 0.6;
    animation: zs-float 20s infinite linear;
}

@keyframes zs-float {
    0% { transform: translateY(100vh) rotate(0deg); opacity: 0; }
    10% { opacity: 0.6; }
    90% { opacity: 0.6; }
    100% { transform: translateY(-100vh) rotate(720deg); opacity: 0; }
}

.zs-hero-content {
    position: relative;
    z-index: 10;
    max-width: 850px;
}

/* Hero Text Slides */
.zs-hero-text {
    display: none;
    opacity: 0;
    transform: translateY(30px);
}

.zs-hero-text.active {
    display: block;
    opacity: 1;
    transform: translateY(0);
    animation: zs-fadeInUp 0.8s var(--zs-transition);
}

.zs-hero-text.fade-out {
    display: block;
    opacity: 0;
    transform: translateY(-20px);
    transition: all 0.4s var(--zs-transition);
}

/* Hero Navigation Arrows */
.zs-hero-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 56px;
    height: 56px;
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    cursor: pointer;
    z-index: 20;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.4s var(--zs-transition);
    backdrop-filter: blur(10px);
}

.zs-hero-arrow:hover {
    background: var(--zs-primary);
    border-color: var(--zs-primary);
    transform: translateY(-50%) scale(1.1);
}

.zs-hero-arrow svg {
    width: 28px;
    height: 28px;
    fill: var(--zs-white);
}

.zs-hero-prev {
    left: 40px;
}

.zs-hero-next {
    right: 40px;
}

.zs-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 24px;
    background: rgba(0, 102, 204, 0.15);
    border: 1px solid rgba(0, 102, 204, 0.4);
    border-radius: 50px;
    color: var(--zs-primary-light);
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 28px;
    backdrop-filter: blur(10px);
    animation: zs-fadeInUp 0.8s var(--zs-transition);
}

.zs-hero h2 {
    color: var(--zs-white);
    font-size: clamp(2.75rem, 6vw, 4.25rem);
    margin-bottom: 24px;
    line-height: 1.15;
    animation: zs-fadeInUp 0.8s 0.2s var(--zs-transition) both;
}

.zs-hero h2 strong {
    color: var(--zs-primary-light);
    background: linear-gradient(135deg, #3399FF 0%, #66B3FF 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.zs-hero-desc {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 40px;
    max-width: 620px;
    line-height: 1.8;
    animation: zs-fadeInUp 0.8s 0.4s var(--zs-transition) both;
}

.zs-hero-btns {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    animation: zs-fadeInUp 0.8s 0.6s var(--zs-transition) both;
}

.zs-hero-indicators {
    position: absolute;
    bottom: 50px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 14px;
    z-index: 10;
}

.zs-hero-indicator {
    width: 50px;
    height: 5px;
    background: rgba(255, 255, 255, 0.25);
    border-radius: 3px;
    cursor: pointer;
    transition: all 0.4s var(--zs-transition);
}

.zs-hero-indicator:hover {
    background: rgba(255, 255, 255, 0.5);
}

.zs-hero-indicator.active {
    background: var(--zs-primary);
    width: 70px;
}

.zs-scroll-hint {
    position: absolute;
    bottom: 50px;
    right: 50px;
    display: flex;
    flex-direction: column;
    align-items: center;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.75rem;
    z-index: 10;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.zs-scroll-hint span {
    writing-mode: vertical-rl;
    margin-bottom: 12px;
}

.zs-scroll-line {
    width: 1px;
    height: 70px;
    background: linear-gradient(to bottom, var(--zs-primary), transparent);
    animation: zs-scrollLine 2s infinite;
}

@keyframes zs-scrollLine {
    0% { transform: scaleY(0); transform-origin: top; }
    50% { transform: scaleY(1); transform-origin: top; }
    50.1% { transform: scaleY(1); transform-origin: bottom; }
    100% { transform: scaleY(0); transform-origin: bottom; }
}

@keyframes zs-fadeInUp {
    from { opacity: 0; transform: translateY(40px); }
    to { opacity: 1; transform: translateY(0); }
}


/* ========================================
   VALUE PROPOSITION SECTION - 增强卡片效果
   ======================================== */
.zs-values {
    background: linear-gradient(180deg, var(--zs-bg-light) 0%, var(--zs-white) 100%);
    padding: 100px 0;
}

.zs-values-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.zs-value-card {
    background: var(--zs-white);
    border-radius: var(--zs-radius-lg);
    text-align: center;
    transition: all 0.5s var(--zs-transition);
    border: 1px solid var(--zs-border);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.06);
}

.zs-value-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--zs-primary-gradient);
    transform: scaleX(0);
    transition: transform 0.4s var(--zs-transition);
    z-index: 2;
}

.zs-value-card:hover {
    transform: translateY(-12px);
    box-shadow: 0 25px 50px rgba(0, 102, 204, 0.18);
    border-color: rgba(0, 102, 204, 0.15);
}

.zs-value-card:hover::before {
    transform: scaleX(1);
}

.zs-value-img {
    width: 100%;
    height: 320px;
    overflow: hidden;
    position: relative;
}

.zs-value-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s var(--zs-transition);
}

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

.zs-value-content {
    padding: 30px 25px 35px;
    display: flex;
    flex-direction: column;
    align-items: center;
    flex: 1;
}

.zs-value-icon {
    width: 56px;
    height: 56px;
    margin: -50px auto 20px;
    background: var(--zs-primary-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.5s var(--zs-transition);
    box-shadow: 0 8px 25px rgba(0, 102, 204, 0.35);
    flex-shrink: 0;
    position: relative;
    z-index: 1;
    border: 3px solid var(--zs-white);
}

.zs-value-card:hover .zs-value-icon {
    transform: scale(1.1);
    box-shadow: 0 12px 30px rgba(0, 102, 204, 0.45);
}

.zs-value-icon svg {
    width: 26px;
    height: 26px;
    fill: var(--zs-white);
}

.zs-value-card h4 {
    margin-bottom: 12px;
    font-size: 1.0625rem;
    color: var(--zs-text-dark);
    font-weight: 700;
    line-height: 1.45;
}

.zs-value-card p {
    font-size: 0.875rem;
    margin-bottom: 0;
    color: var(--zs-text-gray);
    line-height: 1.7;
}

/* ========================================
   PRODUCT CATEGORIES SECTION
   ======================================== */
.zs-products {
    background: var(--zs-bg-light);
    padding: 100px 0 0 0;
}

.zs-products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-bottom: 0;
}

.zs-product-card {
    background: var(--zs-white);
    border-radius: var(--zs-radius-lg);
    overflow: hidden;
    transition: all 0.4s var(--zs-transition);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
    display: flex;
    flex-direction: column;
}

.zs-product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 50px rgba(0, 102, 204, 0.15);
}

/* Product Slider */
.zs-product-slider {
    position: relative;
    width: 100%;
    aspect-ratio: 1 / 1;
    overflow: hidden;
    background: #f8fafc;
}

.zs-product-slides {
    position: relative;
    width: 100%;
    height: 100%;
}

.zs-product-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.5s ease;
    display: block;
    text-decoration: none;
}

.zs-product-slide.active {
    opacity: 1;
}

.zs-product-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s var(--zs-transition);
}

.zs-product-card:hover .zs-product-slide.active img {
    transform: scale(1.05);
}

.zs-slide-label {
    position: absolute;
    bottom: 12px;
    left: 12px;
    background: rgba(0, 0, 0, 0.7);
    color: var(--zs-white);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.8125rem;
    font-weight: 500;
    backdrop-filter: blur(4px);
    line-height: 1.4;
}

/* Product Dots */
.zs-product-dots {
    position: absolute;
    bottom: 12px;
    right: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
    z-index: 2;
    height: 28px;
}

.zs-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.6);
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid rgba(255, 255, 255, 0.4);
}

.zs-dot:hover {
    background: rgba(255, 255, 255, 0.9);
    transform: scale(1.1);
}

.zs-dot.active {
    background: var(--zs-primary);
    border-color: var(--zs-white);
    transform: scale(1.15);
}

/* Product Info */
.zs-product-info {
    padding: 20px 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    background: var(--zs-white);
}

.zs-product-info h3 {
    margin-bottom: 12px;
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--zs-text-dark);
    transition: color 0.3s var(--zs-transition);
}

.zs-product-info h3 a {
    color: inherit;
    text-decoration: none;
    transition: color 0.3s var(--zs-transition);
}

.zs-product-info h3 a:hover {
    color: var(--zs-primary);
}

.zs-product-card:hover .zs-product-info h3 {
    color: var(--zs-primary);
}

.zs-product-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--zs-primary);
    font-weight: 600;
    font-size: 0.9rem;
    transition: all 0.3s var(--zs-transition);
    text-decoration: none;
}

.zs-product-link svg {
    width: 18px;
    height: 18px;
    transition: transform 0.3s var(--zs-transition);
    fill: currentColor;
}

.zs-product-card:hover .zs-product-link svg {
    transform: translateX(5px);
}

.zs-product-link:hover {
    color: var(--zs-primary-dark);
}

/* Hot Products - Flipbook Style */
.zs-hot-products {
    margin-top: 60px;
    margin-left: calc(-50vw + 50%);
    margin-right: calc(-50vw + 50%);
    padding: 80px 0;
    background: linear-gradient(180deg, #f8fafc 0%, var(--zs-white) 100%);
    position: relative;
    width: 100vw;
}

.zs-hot-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: var(--zs-container-max);
    width: var(--zs-container-width);
    margin: 0 auto 50px;
    padding: 0 20px;
}

.zs-hot-products h3 {
    font-size: clamp(1.875rem, 4vw, 2.75rem);
    position: relative;
    display: inline-block;
    margin: 0;
}

.zs-hot-products h3::after {
    content: '';
    position: absolute;
    bottom: -12px;
    left: 0;
    width: 80px;
    height: 4px;
    background: var(--zs-primary-gradient);
    border-radius: 2px;
}

.zs-view-all {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--zs-primary);
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    transition: all 0.3s var(--zs-transition);
}

.zs-view-all:hover {
    color: var(--zs-primary-dark);
}

.zs-view-all svg {
    width: 20px;
    height: 20px;
    fill: currentColor;
    transition: transform 0.3s var(--zs-transition);
}

.zs-view-all:hover svg {
    transform: translateX(5px);
}

/* Flipbook Container */
.zs-flipbook {
    max-width: var(--zs-container-max);
    width: var(--zs-container-width);
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    gap: 30px;
    perspective: 2000px;
}

.zs-flip-arrow {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--zs-white);
    border: 2px solid var(--zs-border);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s var(--zs-transition);
    flex-shrink: 0;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    z-index: 10;
}

.zs-flip-arrow:hover {
    background: var(--zs-primary);
    border-color: var(--zs-primary);
    transform: scale(1.1);
    box-shadow: 0 12px 35px rgba(0, 102, 204, 0.3);
}

.zs-flip-arrow svg {
    width: 28px;
    height: 28px;
    fill: var(--zs-text-gray);
    transition: fill 0.3s var(--zs-transition);
}

.zs-flip-arrow:hover svg {
    fill: var(--zs-white);
}

.zs-flip-arrow:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.zs-flip-arrow:disabled:hover {
    background: var(--zs-white);
    border-color: var(--zs-border);
    transform: none;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.zs-flip-arrow:disabled:hover svg {
    fill: var(--zs-text-gray);
}

/* Flipbook Wrapper */
.zs-flipbook-wrapper {
    flex: 1;
    position: relative;
    overflow: hidden;
    border-radius: 20px;
}

.zs-flipbook-pages {
    position: relative;
    width: 100%;
    height: 480px;
    border-radius: 20px;
    overflow: hidden;
}

/* Flip Page */
.zs-flip-page {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    background: var(--zs-white);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 25px 80px rgba(0, 0, 0, 0.12);
    opacity: 0;
    visibility: hidden;
    transform: translateX(100%);
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    backface-visibility: hidden;
}

.zs-flip-page.active {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
    z-index: 5;
}

.zs-flip-page.prev {
    opacity: 0;
    visibility: hidden;
    transform: translateX(-100%);
}

.zs-flip-page.flip-left {
    animation: flipLeft 0.6s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.zs-flip-page.flip-right {
    animation: flipRight 0.6s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

@keyframes flipLeft {
    0% {
        opacity: 1;
        visibility: visible;
        transform: translateX(0);
    }
    100% {
        opacity: 0;
        visibility: hidden;
        transform: translateX(-100%);
    }
}

@keyframes flipRight {
    0% {
        opacity: 1;
        visibility: visible;
        transform: translateX(0);
    }
    100% {
        opacity: 0;
        visibility: hidden;
        transform: translateX(100%);
    }
}

@keyframes flipInLeft {
    0% {
        opacity: 0;
        visibility: hidden;
        transform: translateX(-100%);
    }
    100% {
        opacity: 1;
        visibility: visible;
        transform: translateX(0);
    }
}

@keyframes flipInRight {
    0% {
        opacity: 0;
        visibility: hidden;
        transform: translateX(100%);
    }
    100% {
        opacity: 1;
        visibility: visible;
        transform: translateX(0);
    }
}

.zs-flip-page.flip-in-left {
    animation: flipInLeft 0.6s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.zs-flip-page.flip-in-right {
    animation: flipInRight 0.6s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

/* Left Side - Image */
.zs-flip-left {
    width: 50%;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #f0f4f8 0%, #e2e8f0 100%);
}

.zs-flip-img {
    width: 100%;
    height: 100%;
    position: relative;
}

.zs-flip-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s var(--zs-transition);
}

.zs-flip-page:hover .zs-flip-img img {
    transform: scale(1.05);
}

.zs-flip-badge {
    position: absolute;
    top: 25px;
    left: 25px;
    background: var(--zs-primary-gradient);
    color: var(--zs-white);
    padding: 10px 22px;
    border-radius: 30px;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 4px 15px rgba(0, 102, 204, 0.3);
    z-index: 5;
}

.zs-flip-badge.zs-badge-new {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
}

.zs-flip-badge.zs-badge-hot {
    background: var(--zs-accent-gradient);
    box-shadow: 0 4px 15px rgba(255, 107, 53, 0.3);
}

/* Right Side - Content */
.zs-flip-right {
    width: 50%;
    padding: 50px 60px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
}

.zs-flip-num {
    position: absolute;
    top: 30px;
    right: 40px;
    font-size: 5rem;
    font-weight: 800;
    color: rgba(0, 102, 204, 0.08);
    line-height: 1;
    letter-spacing: -0.05em;
}

.zs-flip-right h4 {
    font-size: 2rem;
    color: var(--zs-text-dark);
    margin-bottom: 20px;
    line-height: 1.3;
    position: relative;
    padding-left: 20px;
}

.zs-flip-right h4::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--zs-primary-gradient);
    border-radius: 2px;
}

.zs-flip-right > p {
    font-size: 1.05rem;
    color: var(--zs-text-gray);
    line-height: 1.8;
    margin-bottom: 25px;
}

.zs-flip-features {
    margin-bottom: 30px;
}

.zs-flip-features li {
    position: relative;
    padding: 10px 0 10px 30px;
    font-size: 0.95rem;
    color: var(--zs-text-gray);
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.zs-flip-features li:last-child {
    border-bottom: none;
}

.zs-flip-features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 18px;
    height: 18px;
    background: var(--zs-primary);
    border-radius: 50%;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='white'%3E%3Cpath d='M9 16.17L4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41z'/%3E%3C/svg%3E");
    background-size: 12px;
    background-position: center;
    background-repeat: no-repeat;
}

/* Page Indicators */
.zs-flip-indicators {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 40px;
}

.zs-flip-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--zs-border);
    cursor: pointer;
    transition: all 0.3s var(--zs-transition);
    position: relative;
}

.zs-flip-dot::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 24px;
    height: 24px;
    border-radius: 50%;
    border: 2px solid transparent;
    transition: all 0.3s var(--zs-transition);
}

.zs-flip-dot:hover {
    background: var(--zs-primary-light);
}

.zs-flip-dot.active {
    background: var(--zs-primary);
    transform: scale(1.2);
}

.zs-flip-dot.active::before {
    border-color: rgba(0, 102, 204, 0.3);
}

/* ========================================
   SOLUTIONS SECTION
   ======================================== */
.zs-solutions {
    background: var(--zs-bg-light);
    padding: 120px 0;
}

.zs-solutions-tabs {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 60px;
}

.zs-tab-btn {
    padding: 16px 40px;
    background: var(--zs-white);
    border: 2px solid transparent;
    border-radius: var(--zs-radius-sm);
    font-size: 1rem;
    font-weight: 600;
    color: var(--zs-text-gray);
    cursor: pointer;
    transition: all 0.4s var(--zs-transition);
}

.zs-tab-btn:hover {
    background: var(--zs-white);
    border-color: var(--zs-primary);
    color: var(--zs-primary);
    transform: translateY(-3px);
}

.zs-tab-btn.active {
    background: var(--zs-primary);
    border-color: var(--zs-primary);
    color: var(--zs-white);
    box-shadow: 0 8px 25px rgba(0, 102, 204, 0.3);
}

.zs-tab-content {
    display: none;
}

.zs-tab-content.active {
    display: block;
    animation: zs-fadeIn 0.5s var(--zs-transition);
}

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

.zs-solution-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 35px;
}

.zs-solution-card {
    background: var(--zs-white);
    border-radius: var(--zs-radius-lg);
    padding: 40px;
    transition: all 0.5s var(--zs-transition);
    border: 1px solid var(--zs-border);
    position: relative;
}

.zs-solution-card:hover {
    background: var(--zs-white);
    box-shadow: var(--zs-shadow-lg);
    transform: translateY(-8px);
    border-color: rgba(0, 102, 204, 0.2);
}

/* Solution Card Link Button */
.zs-solution-link {
    position: absolute;
    top: 40px;
    right: 40px;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(0, 102, 204, 0.08);
    border: 1px solid rgba(0, 102, 204, 0.15);
    opacity: 0.4;
    transition: all 0.3s var(--zs-transition);
}

.zs-solution-link svg {
    width: 22px;
    height: 22px;
    fill: none;
    stroke: var(--zs-primary);
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.zs-solution-link:hover,
.zs-solution-card:hover .zs-solution-link {
    opacity: 1;
    background: var(--zs-primary);
    border-color: var(--zs-primary);
    transform: scale(1.05);
}

.zs-solution-link:hover svg,
.zs-solution-card:hover .zs-solution-link svg {
    stroke: var(--zs-white);
}

.zs-solution-icon {
    width: 50px;
    height: 50px;
    background: var(--zs-primary-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    box-shadow: 0 8px 25px rgba(0, 102, 204, 0.25);
}

.zs-solution-icon svg {
    width: 24px;
    height: 24px;
    fill: var(--zs-white);
}

.zs-solution-card h4 {
    margin-bottom: 20px;
    font-size: 1.25rem;
    color: var(--zs-text-dark);
}

.zs-solution-card ul {
    list-style: none;
}

.zs-solution-card li {
    position: relative;
    padding-left: 24px;
    margin-bottom: 14px;
    font-size: 0.9375rem;
    color: var(--zs-text-gray);
    line-height: 1.7;
}

.zs-solution-card li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 8px;
    height: 8px;
    background: var(--zs-primary);
    border-radius: 50%;
}

/* ========================================
   PARTNERS SECTION
   ======================================== */
.zs-partners {
    background: #f8fafc;
    padding: 120px 0;
    position: relative;
    overflow: hidden;
}

.zs-partners::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 15% 30%, rgba(0, 102, 204, 0.06) 0%, transparent 40%),
        radial-gradient(circle at 85% 70%, rgba(255, 107, 53, 0.04) 0%, transparent 40%);
    pointer-events: none;
}

.zs-partners::after {
    display: none;
}

/* Decorative shapes */
.zs-partners .zs-container {
    position: relative;
    z-index: 1;
}

.zs-partners .zs-container::before {
    display: none;
}

.zs-partners .zs-container::after {
    display: none;
}

.zs-partners .zs-section-title h2 {
    color: var(--zs-text-dark);
}

.zs-partners .zs-section-title h2::after {
    background: var(--zs-primary-gradient);
}

.zs-partners .zs-section-title p {
    color: var(--zs-text-gray);
}

/* Partner Row with Slide-in Animation */
.zs-partner-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-bottom: 80px;
    position: relative;
    z-index: 1;
    opacity: 0;
    transform: translateY(80px);
    transition: opacity 1.2s ease-out, transform 1.4s cubic-bezier(0.25, 0.1, 0.25, 1);
}

.zs-partner-row.zs-visible {
    opacity: 1;
    transform: translateY(0);
}

.zs-partner-row:nth-child(2) {
    transition-delay: 0.3s;
}

.zs-partner-row:last-child {
    margin-bottom: 0;
}

.zs-partner-row-reverse {
    direction: rtl;
}

.zs-partner-row-reverse > * {
    direction: ltr;
}

.zs-partner-img {
    position: relative;
    border-radius: var(--zs-radius-lg);
    overflow: hidden;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
}

.zs-partner-img::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 102, 204, 0.1) 0%, transparent 50%);
    z-index: 1;
}

.zs-partner-img img {
    width: 100%;
    height: 490px;
    object-fit: cover;
    transition: transform 0.5s var(--zs-transition);
}

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

.zs-partner-content {
    padding: 40px 50px;
    position: relative;
    background: var(--zs-white);
    border-radius: var(--zs-radius-lg);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.06);
    border: 1px solid rgba(0, 0, 0, 0.04);
}

/* Left accent border for content card */
.zs-partner-content::before {
    content: '';
    position: absolute;
    top: 40px;
    bottom: 40px;
    left: 0;
    width: 4px;
    background: var(--zs-primary-gradient);
    border-radius: 0 4px 4px 0;
}

.zs-partner-content::after {
    display: none;
}

/* Different accent color for reverse row (For Manufacturers) */
.zs-partner-row-reverse .zs-partner-content::before {
    left: auto;
    right: 0;
    border-radius: 4px 0 0 4px;
    background: var(--zs-accent-gradient);
}

.zs-partner-badge {
    display: inline-block;
    background: var(--zs-primary-gradient);
    color: var(--zs-white);
    padding: 8px 20px;
    border-radius: 30px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.zs-partner-badge.zs-badge-accent {
    background: var(--zs-accent-gradient);
}

.zs-partner-content h3 {
    color: var(--zs-text-dark);
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 16px;
    line-height: 1.3;
}

.zs-partner-content > p {
    color: var(--zs-text-secondary);
    font-size: 1.0625rem;
    line-height: 1.8;
    margin-bottom: 25px;
}

.zs-partner-features {
    list-style: none;
    margin-bottom: 30px;
}

.zs-partner-features li {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    margin-bottom: 16px;
    color: var(--zs-text-primary);
    font-size: 1rem;
    line-height: 1.6;
}

.zs-partner-features li:last-child {
    margin-bottom: 0;
}

.zs-partner-features li svg {
    width: 22px;
    height: 22px;
    min-width: 22px;
    padding: 4px;
    background: var(--zs-primary);
    border-radius: 50%;
    fill: var(--zs-white);
    margin-top: 2px;
}

.zs-partner-row-reverse .zs-partner-features li svg {
    background: var(--zs-accent);
}

/* Legacy styles for backward compatibility */
.zs-partners-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    position: relative;
    z-index: 1;
}

.zs-partner-box {
    background: var(--zs-bg-light);
    border: 1px solid var(--zs-border);
    border-radius: var(--zs-radius-lg);
    padding: 45px;
    transition: all 0.5s var(--zs-transition);
}

.zs-partner-box:hover {
    background: var(--zs-white);
    border-color: var(--zs-primary);
    transform: translateY(-8px);
    box-shadow: 0 30px 60px rgba(0, 102, 204, 0.15);
}

.zs-partner-header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 28px;
}

.zs-partner-icon {
    width: 65px;
    height: 65px;
    background: var(--zs-primary-gradient);
    border-radius: var(--zs-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 30px rgba(0, 102, 204, 0.3);
}

.zs-partner-icon svg {
    width: 30px;
    height: 30px;
    fill: var(--zs-white);
}

.zs-partner-box h3 {
    color: var(--zs-text-dark);
    font-size: 1.5rem;
}

.zs-partner-box ul li {
    position: relative;
    padding-left: 32px;
    margin-bottom: 18px;
    color: var(--zs-text-gray);
    font-size: 1rem;
    line-height: 1.7;
}

.zs-partner-box ul li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 18px;
    height: 18px;
    background: var(--zs-primary);
    border-radius: 50%;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='white'%3E%3Cpath d='M9 16.17L4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41z'/%3E%3C/svg%3E");
    background-size: 12px;
    background-position: center;
    background-repeat: no-repeat;
}

.zs-partners-btns {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 50px;
}


/* ========================================
   FACTORY CAPABILITY SECTION
   ======================================== */
.zs-factory {
    position: relative;
    height: 100vh;
    padding: 0;
    overflow: hidden;
    display: flex;
    align-items: center;
}

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

.zs-factory-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.zs-factory-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.5);
}

.zs-factory .zs-container {
    position: relative;
    z-index: 1;
    width: 100%;
}

.zs-factory-title h2 {
    color: var(--zs-text-primary);
}

.zs-factory-title h2::after {
    background: var(--zs-accent-gradient);
}

.zs-factory-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: flex-start;
    margin-bottom: 60px;
}

.zs-factory-left h2 {
    color: var(--zs-text-primary);
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    margin-bottom: 16px;
    font-weight: 700;
    letter-spacing: 0.02em;
}

.zs-factory-slogan {
    color: var(--zs-primary);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 24px;
}

.zs-factory-desc {
    color: var(--zs-text-secondary);
    font-size: 1rem;
    line-height: 1.9;
    margin-bottom: 30px;
}

.zs-factory-btns {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

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

.zs-btn-outline-light:hover {
    background: var(--zs-primary);
    color: var(--zs-white);
    border-color: var(--zs-primary);
}

.zs-factory-right {
    padding-top: 10px;
    background: var(--zs-white);
    border-radius: var(--zs-radius-lg);
    padding: 35px 40px;
    border: 1px solid var(--zs-border);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
}

.zs-factory-features {
    list-style: none;
}

.zs-factory-features li {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 22px;
    font-size: 1.0625rem;
    color: var(--zs-text-primary);
    line-height: 1.6;
    padding: 12px 16px;
    background: var(--zs-bg-light);
    border-radius: var(--zs-radius-sm);
    transition: all 0.3s var(--zs-transition);
}

.zs-factory-features li:last-child {
    margin-bottom: 0;
}

.zs-factory-features li:hover {
    background: rgba(0, 102, 204, 0.08);
    transform: translateX(5px);
}

.zs-factory-features li svg {
    width: 22px;
    height: 22px;
    padding: 4px;
    background: var(--zs-accent);
    border-radius: 50%;
    fill: var(--zs-white);
    flex-shrink: 0;
}

.zs-factory-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    margin-top: 50px;
}

.zs-stat-box {
    background: var(--zs-white);
    padding: 40px 25px;
    border-radius: var(--zs-radius-lg);
    text-align: center;
    border: 1px solid var(--zs-border);
    transition: all 0.4s var(--zs-transition);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.zs-stat-box:hover {
    transform: translateY(-8px);
    background: var(--zs-white);
    border-color: var(--zs-primary);
    box-shadow: 0 8px 30px rgba(0, 102, 204, 0.15);
}

.zs-stat-number {
    font-size: 2.875rem;
    font-weight: 800;
    color: var(--zs-primary);
    line-height: 1;
    margin-bottom: 12px;
}

.zs-stat-label {
    font-size: 0.9375rem;
    color: var(--zs-text-secondary);
    font-weight: 500;
}

/* ========================================
   QUALITY & CERTIFICATIONS SECTION
   ======================================== */
.zs-quality {
    background: var(--zs-white);
    padding: 120px 0;
}

.zs-quality-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.zs-quality-card {
    background: var(--zs-bg-light);
    padding: 40px 30px;
    border-radius: var(--zs-radius-lg);
    text-align: center;
    transition: all 0.5s var(--zs-transition);
    border: 1px solid transparent;
}

.zs-quality-card:hover {
    background: var(--zs-white);
    box-shadow: var(--zs-shadow-lg);
    transform: translateY(-10px);
    border-color: rgba(0, 102, 204, 0.1);
}

.zs-quality-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    background: var(--zs-primary-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 30px rgba(0, 102, 204, 0.25);
    transition: all 0.4s var(--zs-transition);
}

.zs-quality-card:hover .zs-quality-icon {
    transform: scale(1.1);
}

.zs-quality-icon svg {
    width: 36px;
    height: 36px;
    fill: var(--zs-white);
}

.zs-quality-card h4 {
    margin-bottom: 14px;
    font-size: 1.125rem;
    color: var(--zs-text-dark);
}

.zs-quality-card p {
    font-size: 0.9375rem;
    margin-bottom: 0;
    color: var(--zs-text-gray);
    line-height: 1.7;
}

/* Certificate Carousel */
.zs-cert-carousel {
    margin-top: 70px;
    padding-top: 50px;
    border-top: 1px solid var(--zs-border);
}

.zs-cert-title {
    text-align: center;
    font-size: 1.5rem;
    color: var(--zs-text-dark);
    margin-bottom: 40px;
    font-weight: 700;
}

.zs-cert-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    gap: 20px;
    overflow: hidden;
}

.zs-cert-arrow {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--zs-white);
    border: 1px solid var(--zs-border);
    z-index: 2;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s var(--zs-transition);
    flex-shrink: 0;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
}

.zs-cert-arrow:hover {
    background: var(--zs-primary);
    border-color: var(--zs-primary);
}

.zs-cert-arrow svg {
    width: 24px;
    height: 24px;
    fill: var(--zs-text-gray);
    transition: fill 0.3s var(--zs-transition);
}

.zs-cert-arrow:hover svg {
    fill: var(--zs-white);
}

.zs-cert-track {
    display: flex;
    gap: 24px;
    flex: 1;
    transition: transform 0.4s var(--zs-transition);
    padding: 10px 0 20px;
}

.zs-cert-slide {
    flex: 0 0 calc(25% - 18px);
    background: var(--zs-white);
    border-radius: var(--zs-radius-md);
    overflow: hidden;
    border: 1px solid var(--zs-border);
    transition: box-shadow 0.4s var(--zs-transition), border-color 0.4s var(--zs-transition);
    text-align: center;
}

.zs-cert-slide:hover {
    box-shadow: 0 15px 35px rgba(0, 102, 204, 0.15);
    border-color: var(--zs-primary);
}

.zs-cert-slide img {
    width: 100%;
    height: auto;
    aspect-ratio: auto;
    object-fit: contain;
    transition: transform 0.4s var(--zs-transition);
}

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

.zs-cert-slide span {
    display: block;
    padding: 16px;
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--zs-text-dark);
    background: var(--zs-white);
    border-top: 1px solid var(--zs-border);
}

/* ========================================
   TESTIMONIALS SECTION
   ======================================== */
.zs-testimonials {
    background: var(--zs-primary-gradient);
    padding: 120px 0 60px 0;
    position: relative;
    overflow: hidden;
}

.zs-testimonials::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -20%;
    width: 600px;
    height: 600px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
}

.zs-testimonials .zs-section-title h2 {
    color: var(--zs-white);
}

.zs-testimonials .zs-section-title h2::after {
    background: var(--zs-accent-gradient);
}

.zs-testimonials .zs-section-title p {
    color: rgba(255, 255, 255, 0.8);
}

.zs-testimonials-slider {
    max-width: 1100px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.zs-testimonial-track {
    position: relative;
    overflow: hidden;
}

.zs-testimonial-card {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(10px);
    padding: 55px;
    border-radius: var(--zs-radius-lg);
    text-align: center;
    border: 2px solid rgba(255, 255, 255, 0.5);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    display: none;
    opacity: 0;
    transform: translateX(50px);
    transition: opacity 0.5s var(--zs-transition), transform 0.5s var(--zs-transition);
}

.zs-testimonial-card.active {
    display: block;
    opacity: 1;
    transform: translateX(0);
}

.zs-testimonial-nav {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 30px;
}

.zs-testimonial-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.3);
    cursor: pointer;
    transition: all 0.3s var(--zs-transition);
    padding: 0;
}

.zs-testimonial-dot:hover {
    background: rgba(255, 255, 255, 0.5);
}

.zs-testimonial-dot.active {
    background: var(--zs-primary);
    transform: scale(1.2);
}

.zs-testimonial-quote {
    font-size: 1.3125rem;
    font-style: italic;
    color: rgba(255, 255, 255, 0.95);
    line-height: 1.9;
    margin-bottom: 30px;
    position: relative;
    padding: 0 20px;
}

.zs-testimonial-quote::before {
    content: '"';
    font-size: 5rem;
    color: var(--zs-primary-light);
    opacity: 0.3;
    position: absolute;
    top: -30px;
    left: -10px;
    font-family: Georgia, serif;
    line-height: 1;
}

.zs-testimonial-quote::after {
    content: '"';
    font-size: 5rem;
    color: var(--zs-primary-light);
    opacity: 0.3;
    position: absolute;
    bottom: -50px;
    right: -10px;
    font-family: Georgia, serif;
    line-height: 1;
}

.zs-testimonial-author {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 18px;
}

.zs-testimonial-avatar {
    width: 65px;
    height: 65px;
    background: var(--zs-primary-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--zs-white);
    font-size: 1.625rem;
    font-weight: 700;
    box-shadow: 0 8px 25px rgba(0, 102, 204, 0.4);
}

.zs-testimonial-info {
    text-align: left;
}

.zs-testimonial-info h5 {
    font-size: 1.0625rem;
    margin-bottom: 5px;
    color: var(--zs-white);
}

.zs-testimonial-info span {
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.7);
}

.zs-clients-logos {
    margin-top: 70px;
    padding-top: 50px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    position: relative;
    z-index: 1;
    width: 90%;
    margin-left: auto;
    margin-right: auto;
}

.zs-logos-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 18px;
    flex-wrap: wrap;
}

.zs-logos-row:last-child {
    margin-bottom: 0;
}

.zs-logo-item {
    transition: all 0.3s var(--zs-transition);
    cursor: default;
    padding: 6px 5px;
    opacity: 0.6;
    filter: brightness(0) invert(1);
}

.zs-logo-item img {
    height: 60px;
    width: auto;
    object-fit: contain;
}

.zs-logo-item:hover {
    opacity: 1;
}

/* ========================================
   FAQ SECTION
   ======================================== */
.zs-faq {
    background: var(--zs-white);
    padding: 120px 0;
}

.zs-faq-list {
    width: 100%;
    margin: 0 auto;
}

.zs-faq-item {
    background: var(--zs-bg-light);
    border-radius: var(--zs-radius-md);
    margin-bottom: 18px;
    overflow: hidden;
    transition: all 0.4s var(--zs-transition);
    border: 1px solid transparent;
}

.zs-faq-item:hover {
    box-shadow: 0 10px 35px rgba(0, 0, 0, 0.08);
    border-color: rgba(0, 102, 204, 0.1);
}

.zs-faq-item.active {
    background: var(--zs-white);
    box-shadow: 0 15px 45px rgba(0, 102, 204, 0.1);
    border-color: var(--zs-primary);
}

.zs-faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px 28px;
    cursor: pointer;
    font-weight: 600;
    font-size: 1.0625rem;
    color: var(--zs-text-dark);
    transition: all 0.3s var(--zs-transition);
}

.zs-faq-question:hover {
    color: var(--zs-primary);
}

.zs-faq-icon {
    width: 28px;
    height: 28px;
    position: relative;
    flex-shrink: 0;
    background: var(--zs-primary);
    border-radius: 50%;
}

.zs-faq-icon::before,
.zs-faq-icon::after {
    content: '';
    position: absolute;
    background: var(--zs-white);
    transition: transform 0.3s var(--zs-transition);
}

.zs-faq-icon::before {
    width: 12px;
    height: 2px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.zs-faq-icon::after {
    width: 2px;
    height: 12px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.zs-faq-item.active .zs-faq-icon::after {
    transform: translate(-50%, -50%) rotate(90deg);
}

.zs-faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s var(--zs-transition);
}

.zs-faq-item.active .zs-faq-answer {
    max-height: 350px;
}

.zs-faq-answer p {
    padding: 0 28px 24px;
    font-size: 1rem;
    line-height: 1.8;
    color: var(--zs-text-gray);
}

.zs-faq-more {
    text-align: center;
    margin-top: 50px;
    display: flex;
    justify-content: center;
    gap: 20px;
}

/* ========================================
   CTA SECTION
   ======================================== */
.zs-cta {
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 50%, #1a1a1a 100%);
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

.zs-cta::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -15%;
    width: 600px;
    height: 600px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 50%;
}

.zs-cta::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 400px;
    height: 400px;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 50%;
}

.zs-cta-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.zs-cta-content h2 {
    color: var(--zs-white);
    margin-bottom: 20px;
    font-size: 2.5rem;
}

.zs-cta-content p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.125rem;
    margin-bottom: 30px;
    line-height: 1.8;
}

.zs-cta-contact {
    display: flex;
    gap: 30px;
    flex-wrap: wrap;
}

.zs-cta-contact a {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--zs-white);
    font-size: 1rem;
    font-weight: 500;
    transition: all 0.3s var(--zs-transition);
    padding: 10px 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--zs-radius-sm);
}

.zs-cta-contact a:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-3px);
}

.zs-cta-contact svg {
    width: 22px;
    height: 22px;
    fill: currentColor;
}

.zs-cta-form {
    background: var(--zs-white);
    padding: 45px;
    border-radius: var(--zs-radius-lg);
    box-shadow: 0 30px 70px rgba(0, 0, 0, 0.25);
}

.zs-cta-form-header {
    text-align: center;
    margin-bottom: 28px;
}

.zs-cta-form-header h2 {
    font-size: 1.75rem;
    color: var(--zs-text-dark);
    margin-bottom: 8px;
}

.zs-cta-form-header p {
    color: var(--zs-text-gray);
    font-size: 0.9375rem;
}

.zs-cta-form h3 {
    margin-bottom: 28px;
    text-align: center;
    font-size: 1.5rem;
}

/* Compact FAQ in CTA Section */
.zs-cta-content h2 {
    color: var(--zs-white);
    font-size: 2rem;
    margin-bottom: 12px;
}

.zs-cta-content > p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 30px;
}

.zs-faq-compact {
    max-width: 100%;
}

.zs-faq-compact .zs-faq-item {
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--zs-radius-md);
    margin-bottom: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.zs-faq-compact .zs-faq-item:hover {
    background: rgba(255, 255, 255, 0.15);
}

.zs-faq-compact .zs-faq-item.active {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.2);
}

.zs-faq-compact .zs-faq-question {
    padding: 16px 20px;
    color: var(--zs-white);
    font-size: 0.9375rem;
}

.zs-faq-compact .zs-faq-icon::before,
.zs-faq-compact .zs-faq-icon::after {
    background: var(--zs-white);
}

.zs-faq-compact .zs-faq-answer p {
    padding: 0 20px 16px;
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.875rem;
}

/* CTA Actions - More FAQs + Contact Links */
.zs-cta-actions {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-top: 25px;
    flex-wrap: wrap;
}

.zs-cta-contact {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}

.zs-contact-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.85);
    text-decoration: none;
    font-size: 0.9rem;
    transition: all 0.3s ease;
}

.zs-contact-link:hover {
    color: var(--zs-white);
}

.zs-contact-link svg {
    width: 20px;
    height: 20px;
    fill: currentColor;
}

.zs-contact-link.zs-contact-whatsapp:hover {
    color: #25D366;
}

.zs-contact-link.zs-contact-chat:hover {
    color: var(--zs-accent);
}

/* Full width button */
.zs-btn-full {
    width: 100%;
    justify-content: center;
}

.zs-form-group {
    margin-bottom: 22px;
}

.zs-form-input {
    width: 100%;
    padding: 16px 20px;
    border: 2px solid var(--zs-border);
    border-radius: var(--zs-radius-sm);
    font-size: 1rem;
    font-family: var(--zs-font-en);
    transition: all 0.3s var(--zs-transition);
    background: var(--zs-bg-light);
}

.zs-form-input:focus {
    outline: none;
    border-color: var(--zs-primary);
    background: var(--zs-white);
    box-shadow: 0 0 0 4px rgba(0, 102, 204, 0.1);
}

.zs-form-input::placeholder {
    color: var(--zs-text-light);
}

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

.zs-form-btns {
    display: flex;
    gap: 15px;
}

.zs-form-btns .zs-btn {
    flex: 1;
    justify-content: center;
}


/* ========================================
   BLOG SECTION
   ======================================== */
.zs-blog {
    background: var(--zs-bg-light);
    padding: 120px 0;
}

.zs-blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 35px;
}

.zs-blog-card {
    background: var(--zs-white);
    border-radius: var(--zs-radius-lg);
    overflow: hidden;
    transition: all 0.5s var(--zs-transition);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.05);
}

.zs-blog-card:hover {
    transform: translateY(-12px);
    box-shadow: 0 25px 60px rgba(0, 102, 204, 0.12);
}

.zs-blog-img {
    height: 308px;
    overflow: hidden;
}

.zs-blog-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s var(--zs-transition);
}

.zs-blog-card:hover .zs-blog-img img {
    transform: scale(1.1);
}

.zs-blog-content {
    padding: 28px;
}

.zs-blog-meta {
    display: flex;
    gap: 18px;
    margin-bottom: 14px;
    font-size: 0.875rem;
    color: var(--zs-text-light);
}

.zs-blog-meta span:first-child {
    color: var(--zs-primary);
    font-weight: 500;
}

.zs-blog-content h4 {
    margin-bottom: 14px;
    font-size: 1.1875rem;
    line-height: 1.5;
    transition: color 0.3s var(--zs-transition);
}

.zs-blog-card:hover .zs-blog-content h4 {
    color: var(--zs-primary);
}

.zs-blog-content p {
    font-size: 0.9375rem;
    margin-bottom: 18px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    color: var(--zs-text-gray);
}

.zs-blog-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--zs-primary);
    font-weight: 600;
    font-size: 0.9375rem;
}

.zs-blog-link svg {
    width: 16px;
    height: 16px;
    transition: transform 0.3s var(--zs-transition);
    fill: currentColor;
}

.zs-blog-card:hover .zs-blog-link svg {
    transform: translateX(5px);
}

/* ========================================
   FOOTER SECTION
   ======================================== */
.zs-footer {
    background: var(--zs-bg-dark);
    color: var(--zs-white);
    padding-top: 100px;
}

.zs-footer .zs-container {
    width: 95%;
    max-width: none;
}

.zs-footer-main {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr 1fr 1.3fr;
    gap: 50px;
    padding-bottom: 70px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.zs-footer-brand img {
    height: 55px;
    margin-bottom: 24px;
    filter: brightness(0) invert(1);
}

.zs-footer-brand p {
    color: rgba(255, 255, 255, 0.65);
    font-size: 0.9375rem;
    margin-bottom: 28px;
    line-height: 1.8;
}

.zs-footer-social {
    display: flex;
    gap: 14px;
}

.zs-footer-social a {
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.4s var(--zs-transition);
}

.zs-footer-social a:hover {
    background: var(--zs-primary);
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(0, 102, 204, 0.4);
}

.zs-footer-social svg {
    width: 20px;
    height: 20px;
    fill: var(--zs-white);
}

/* WeChat QR Code Popup */
.zs-wechat-link {
    position: relative;
}

.zs-qrcode-popup {
    position: absolute;
    bottom: calc(100% + 15px);
    left: 50%;
    transform: translateX(-50%);
    background: var(--zs-white);
    padding: 12px;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s var(--zs-transition);
    z-index: 1000;
    pointer-events: none;
    width: 170px;
    height: 170px;
}

.zs-qrcode-popup::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border-left: 10px solid transparent;
    border-right: 10px solid transparent;
    border-top: 10px solid var(--zs-white);
}

.zs-qrcode-popup img {
    width: 100%;
    height: 100%;
    border-radius: 8px;
    display: block;
    object-fit: cover;
}

.zs-wechat-link:hover .zs-qrcode-popup {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.zs-footer-col h5 {
    color: var(--zs-white);
    font-size: 1.125rem;
    margin-bottom: 28px;
    position: relative;
    padding-bottom: 14px;
}

.zs-footer-col h5::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 35px;
    height: 3px;
    background: var(--zs-primary);
    border-radius: 2px;
}

.zs-footer-col ul li {
    margin-bottom: 14px;
}

.zs-footer-col ul li a {
    color: rgba(255, 255, 255, 0.65);
    font-size: 0.9375rem;
    transition: all 0.3s var(--zs-transition);
    display: inline-block;
}

.zs-footer-col ul li a:hover {
    color: var(--zs-primary);
    transform: translateX(6px);
}

.zs-footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    margin-bottom: 18px;
    color: rgba(255, 255, 255, 0.65);
    font-size: 0.9375rem;
}

.zs-footer-contact svg {
    width: 20px;
    height: 20px;
    fill: var(--zs-primary);
    flex-shrink: 0;
    margin-top: 3px;
}

/* Contact column right alignment */
.zs-footer-col-contact {
    text-align: right;
}

.zs-footer-col-contact h5::after {
    left: auto;
    right: 0;
}

.zs-footer-col-contact .zs-footer-contact li {
    justify-content: flex-end;
    text-align: right;
}

.zs-footer-col-contact .zs-footer-contact li svg {
    order: 2;
    margin-top: 3px;
}

.zs-footer-col-contact .zs-footer-contact li span {
    order: 1;
}

.zs-footer-col-contact .zs-footer-social {
    justify-content: flex-end;
    margin-top: 24px;
}

.zs-footer-bottom {
    padding: 28px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.zs-footer-bottom p {
    color: rgba(255, 255, 255, 0.45);
    font-size: 0.875rem;
    margin: 0;
}

.zs-footer-links {
    display: flex;
    gap: 28px;
}

.zs-footer-links a {
    color: rgba(255, 255, 255, 0.45);
    font-size: 0.875rem;
    transition: color 0.3s var(--zs-transition);
}

.zs-footer-links a:hover {
    color: var(--zs-primary);
}

/* ========================================
   SCROLL ANIMATIONS
   ======================================== */
.zs-animate {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s var(--zs-transition);
}

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

.zs-animate-left {
    opacity: 0;
    transform: translateX(-40px);
    transition: all 0.8s var(--zs-transition);
}

.zs-animate-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.zs-animate-right {
    opacity: 0;
    transform: translateX(40px);
    transition: all 0.8s var(--zs-transition);
}

.zs-animate-right.visible {
    opacity: 1;
    transform: translateX(0);
}

/* ========================================
   RESPONSIVE STYLES
   ======================================== */

/* 4K and larger screens */
@media (min-width: 2560px) {
    html {
        font-size: 20px;
    }
    
    .zs-container {
        max-width: 2000px;
    }
}

/* 2K screens */
@media (min-width: 1920px) and (max-width: 2559px) {
    .zs-container {
        max-width: 1700px;
    }
}

/* Large desktop */
@media (max-width: 1400px) {
    .zs-container {
        width: 90%;
    }
}

@media (max-width: 1200px) {
    .zs-products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .zs-hot-grid,
    .zs-values-grid,
    .zs-quality-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .zs-footer-main {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .zs-footer-brand {
        grid-column: span 3;
        text-align: center;
        margin-bottom: 30px;
    }
    
    .zs-footer-social {
        justify-content: center;
    }
}

@media (max-width: 1024px) {
    .zs-container {
        width: 92%;
    }
    
    .zs-nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 320px;
        height: 100vh;
        background: var(--zs-white);
        flex-direction: column;
        padding: 90px 30px 30px;
        transition: right 0.4s var(--zs-transition);
        box-shadow: -15px 0 40px rgba(0, 0, 0, 0.1);
        overflow-y: auto;
    }
    
    .zs-nav.active {
        right: 0;
    }
    
    .zs-nav-list {
        flex-direction: column;
        width: 100%;
        gap: 0;
    }
    
    .zs-nav-item {
        width: 100%;
    }
    
    .zs-nav-link {
        color: var(--zs-text-dark);
        padding: 16px 0;
        border-bottom: 1px solid var(--zs-border);
        justify-content: space-between;
    }
    
    .zs-dropdown {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        display: none;
        padding-left: 20px;
        border: none;
        background: var(--zs-bg-light);
        border-radius: var(--zs-radius-sm);
        margin-top: 10px;
    }
    
    .zs-dropdown::before {
        display: none;
    }
    
    .zs-nav-item.open .zs-dropdown {
        display: block;
    }
    
    .zs-menu-toggle {
        display: flex;
    }
    
    .zs-header-cta {
        display: none;
    }
    
    .zs-solution-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .zs-factory-inner,
    .zs-cta-inner,
    .zs-partners-grid {
        grid-template-columns: 1fr;
        gap: 50px;
    }
    
    .zs-factory-img {
        order: -1;
    }
    
    .zs-section {
        padding: 80px 0;
    }
    
    /* Hot Products Flipbook - Tablet */
    .zs-flipbook {
        gap: 20px;
    }
    
    .zs-flip-arrow {
        width: 50px;
        height: 50px;
    }
    
    .zs-flip-arrow svg {
        width: 24px;
        height: 24px;
    }
    
    .zs-flip-page {
        flex-direction: column;
    }
    
    .zs-flip-left {
        width: 100%;
        height: 300px;
    }
    
    .zs-flip-right {
        width: 100%;
        padding: 35px 30px;
    }
    
    .zs-flipbook-pages {
        height: auto;
        min-height: 650px;
    }
    
    .zs-flip-num {
        font-size: 4rem;
        top: 20px;
        right: 25px;
    }
    
    .zs-flip-right h4 {
        font-size: 1.5rem;
    }
}

@media (max-width: 768px) {
    .zs-container {
        width: 94%;
        padding: 0 15px;
    }
    
    .zs-section {
        padding: 70px 0;
    }
    
    .zs-section-title {
        margin-bottom: 45px;
    }
    
    .zs-products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
    
    .zs-product-info h3 {
        font-size: 1rem;
    }
    
    .zs-values-grid,
    .zs-quality-grid,
    .zs-solution-grid,
    .zs-blog-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    
    /* Hot Products Flipbook - Mobile */
    .zs-hot-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }
    
    .zs-flipbook {
        flex-direction: column;
        gap: 15px;
    }
    
    .zs-flip-arrow {
        position: absolute;
        top: 50%;
        transform: translateY(-50%);
        width: 44px;
        height: 44px;
        z-index: 20;
    }
    
    .zs-flip-prev {
        left: 10px;
    }
    
    .zs-flip-next {
        right: 10px;
    }
    
    .zs-flipbook-wrapper {
        order: 1;
    }
    
    .zs-flipbook-pages {
        min-height: 580px;
    }
    
    .zs-flip-left {
        height: 250px;
    }
    
    .zs-flip-right {
        padding: 25px 20px;
    }
    
    .zs-flip-right h4 {
        font-size: 1.25rem;
    }
    
    .zs-flip-right > p {
        font-size: 0.95rem;
    }
    
    .zs-flip-num {
        font-size: 3rem;
        top: 15px;
        right: 20px;
    }
    
    .zs-flip-indicators {
        margin-top: 25px;
    }
    
    .zs-product-card {
        flex-direction: column;
    }
    
    .zs-product-img {
        width: 100%;
        min-height: 220px;
    }
    
    .zs-product-info {
        padding: 28px 24px;
    }
    
    .zs-hero-content {
        text-align: center;
    }
    
    .zs-hero-btns {
        justify-content: center;
    }
    
    .zs-hero-desc {
        margin-left: auto;
        margin-right: auto;
    }
    
    /* Hero arrows on mobile */
    .zs-hero-arrow {
        width: 44px;
        height: 44px;
    }
    
    .zs-hero-arrow svg {
        width: 22px;
        height: 22px;
    }
    
    .zs-hero-prev {
        left: 15px;
    }
    
    .zs-hero-next {
        right: 15px;
    }
    
    .zs-solutions-tabs {
        flex-direction: column;
    }
    
    .zs-tab-btn {
        width: 100%;
    }
    
    .zs-cta-form {
        padding: 30px;
    }
    
    .zs-form-btns {
        flex-direction: column;
    }
    
    .zs-footer-main {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 35px;
    }
    
    .zs-footer-brand {
        grid-column: auto;
    }
    
    .zs-footer-col h5::after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .zs-footer-col-contact {
        text-align: center;
    }
    
    .zs-footer-col-contact h5::after {
        left: 50%;
        right: auto;
        transform: translateX(-50%);
    }
    
    .zs-footer-col-contact .zs-footer-contact li {
        justify-content: center;
        flex-direction: column;
        gap: 8px;
    }
    
    .zs-footer-col-contact .zs-footer-contact li svg {
        order: 0;
        margin: 0 auto;
    }
    
    .zs-footer-col-contact .zs-footer-contact li span {
        order: 0;
    }
    
    .zs-footer-col-contact .zs-footer-social {
        justify-content: center;
    }
    
    .zs-footer-social {
        justify-content: center;
    }
    
    .zs-footer-contact li {
        justify-content: center;
    }
    
    .zs-footer-bottom {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
    
    .zs-clients-logos {
        margin-top: 50px;
        padding-top: 40px;
        width: 100%;
    }
    
    .zs-logos-row {
        justify-content: center;
        gap: 15px;
        margin-bottom: 12px;
    }
    
    .zs-logo-item {
        padding: 4px 8px;
    }
    
    .zs-logo-item img {
        height: 40px;
    }
    
    .zs-scroll-hint {
        display: none;
    }
    
    .zs-hero-indicators {
        bottom: 25px;
    }
    
    .zs-cta-inner {
        gap: 40px;
    }
    
    .zs-cta-content {
        text-align: center;
    }
    
    .zs-cta-contact {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    html {
        font-size: 14px;
    }
    
    .zs-hero {
        min-height: 650px;
    }
    
    .zs-hero-badge {
        font-size: 0.8rem;
        padding: 8px 18px;
    }
    
    .zs-btn {
        padding: 14px 28px;
        font-size: 0.9rem;
    }
    
    .zs-factory-stats {
        grid-template-columns: 1fr;
    }
    
    .zs-hero-btns {
        flex-direction: column;
        align-items: center;
    }
    
    .zs-hero-btns .zs-btn {
        width: 100%;
        max-width: 280px;
    }
    
    /* Product Categories - Small Mobile */
    .zs-products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    
    .zs-product-info {
        padding: 15px;
    }
    
    .zs-product-info h3 {
        font-size: 0.9rem;
        margin-bottom: 8px;
    }
    
    .zs-product-link {
        font-size: 0.8rem;
    }
    
    .zs-slide-label {
        font-size: 0.7rem;
        padding: 4px 10px;
    }
    
    .zs-dot {
        width: 6px;
        height: 6px;
    }
    
    /* Hot Products Flipbook - Small Mobile */
    .zs-hot-products {
        padding: 60px 0;
    }
    
    .zs-flipbook-pages {
        min-height: 520px;
    }
    
    .zs-flip-left {
        height: 200px;
    }
    
    .zs-flip-right {
        padding: 20px 15px;
    }
    
    .zs-flip-right h4 {
        font-size: 1.1rem;
        padding-left: 15px;
    }
    
    .zs-flip-right h4::before {
        width: 3px;
    }
    
    .zs-flip-right > p {
        font-size: 0.875rem;
        margin-bottom: 15px;
    }
    
    .zs-flip-features li {
        font-size: 0.85rem;
        padding: 8px 0 8px 25px;
    }
    
    .zs-flip-features li::before {
        width: 16px;
        height: 16px;
        background-size: 10px;
    }
    
    .zs-flip-num {
        font-size: 2.5rem;
        top: 10px;
        right: 15px;
    }
    
    .zs-flip-badge {
        top: 15px;
        left: 15px;
        padding: 8px 16px;
        font-size: 0.75rem;
    }
    
    .zs-flip-arrow {
        width: 38px;
        height: 38px;
    }
    
    .zs-flip-arrow svg {
        width: 20px;
        height: 20px;
    }
    
    .zs-flip-indicators {
        gap: 10px;
    }
    
    .zs-flip-dot {
        width: 10px;
        height: 10px;
    }
}

/* Print styles */
@media print {
    .zs-header,
    .zs-hero-particles,
    .zs-scroll-hint,
    .zs-cta,
    .zs-footer {
        display: none;
    }
    
    .zs-hero {
        height: auto;
        min-height: auto;
        padding: 40px 0;
    }
    
    .zs-section {
        padding: 30px 0;
    }
}


/* ========================================
   FLOATING CONTACT BUTTONS - 公共浮动联系按钮
   ======================================== */
.zs-floating-contact {
    position: fixed;
    right: 30px;
    bottom: 30px;
    z-index: 999;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.zs-float-btn {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    transition: all 0.3s var(--zs-transition);
    text-decoration: none;
}

.zs-float-btn:hover {
    transform: scale(1.1);
}

.zs-float-btn svg {
    width: 26px;
    height: 26px;
    fill: var(--zs-white);
}

.zs-float-inquiry {
    background: var(--zs-primary);
}

.zs-float-whatsapp {
    background: #25D366;
}

.zs-float-email {
    background: var(--zs-accent);
}

@media (max-width: 768px) {
    .zs-floating-contact {
        right: 15px;
        bottom: 15px;
    }
    
    .zs-float-btn {
        width: 48px;
        height: 48px;
    }
    
    .zs-float-btn svg {
        width: 22px;
        height: 22px;
    }
}
.t-pages{padding: 30px 0;margin-top: 25px;display: flex;justify-content: center;border-radius: 3px;}
.t-pages .pagination{display:inline-block;padding-left:0;border-radius:4px;}
.t-pages .pagination li{float: left;display:inline}
.t-pages .pagination li a,.t-pages .pagination li span{position:relative;float:left;padding:6px 12px;line-height:1.42857143;color:#393D49;background:#eaeaea;margin:0 0 0 8px;border-radius: 3px;}
.t-pages .pagination li a:hover{color:#fff;background:#49a0f5}
.t-pages .pagination .active span{background:#49a0f5;color:#fff}
.t-pages .pagination .disabled{display:none}