@import url('https://fonts.googleapis.com/css2?family=Lexend:wght@300;400;500;600;700&family=Source+Sans+3:wght@300;400;500;600;700&display=swap');

:root {
    --primary: #059669;
    --primary-dark: #047857;
    --primary-darker: #064E3B;
    --primary-light: #10B981;
    --primary-lighter: #34D399;
    --bg-white: #FFFFFF;
    --bg-green-50: #F0FDF4;
    --bg-green-100: #DCFCE7;
    --bg-green-200: #BBF7D0;
    --border-green: #D1FAE5;
    --text-dark: #064E3B;
    --text-body: #065F46;
    --text-muted: #047857;
    --text-light: #6EE7B7;
    --shadow-sm: 0 1px 3px rgba(5, 150, 105, 0.08);
    --shadow-md: 0 4px 16px rgba(5, 150, 105, 0.1);
    --shadow-lg: 0 8px 32px rgba(5, 150, 105, 0.12);
    --shadow-xl: 0 16px 48px rgba(5, 150, 105, 0.15);
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font-display: 'Lexend', sans-serif;
    --font-body: 'Source Sans 3', sans-serif;
}

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

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

body {
    font-family: var(--font-body);
    color: var(--text-body);
    background-color: var(--bg-white);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
}

a:hover {
    color: var(--primary-dark);
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--primary-darker);
    transition: background 0.4s ease, box-shadow 0.4s ease;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 var(--border-green), var(--shadow-md);
}

.navbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 40px;
    height: 68px;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.3rem;
    color: #fff;
    letter-spacing: -0.02em;
    transition: color 0.4s ease;
}

.navbar.scrolled .navbar-brand {
    color: var(--primary-dark);
}

.navbar-brand svg {
    width: 36px;
    height: 36px;
    flex-shrink: 0;
}

.navbar-nav {
    display: flex;
    align-items: center;
    gap: 4px;
    list-style: none;
    height: 100%;
}

.navbar-nav li {
    height: 100%;
    display: flex;
    align-items: center;
}

.navbar-nav a {
    display: inline-flex;
    align-items: center;
    height: 100%;
    padding: 0 18px;
    font-family: var(--font-display);
    font-size: 0.88rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.75);
    letter-spacing: 0.01em;
    position: relative;
    transition: color 0.3s ease;
}

.navbar-nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 18px;
    right: 18px;
    height: 2px;
    background: var(--primary-lighter);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.navbar-nav a:hover {
    color: #fff;
}

.navbar-nav a:hover::after {
    transform: scaleX(1);
}

.navbar-nav a.active {
    color: #fff;
}

.navbar-nav a.active::after {
    transform: scaleX(1);
    background: var(--primary-lighter);
}

.navbar.scrolled .navbar-nav a {
    color: var(--text-body);
}

.navbar.scrolled .navbar-nav a::after {
    background: var(--primary);
}

.navbar.scrolled .navbar-nav a:hover {
    color: var(--primary);
}

.navbar.scrolled .navbar-nav a.active {
    color: var(--primary);
}

.nav-arrow {
    margin-left: 4px;
    transition: transform 0.3s ease;
}

.has-dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 200px;
    background: var(--bg-white);
    border: 1px solid var(--border-green);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: 8px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: opacity 0.25s ease, visibility 0.25s ease, transform 0.25s ease;
    z-index: 100;
    list-style: none;
}

.has-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

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

.dropdown-menu li {
    height: auto !important;
}

.dropdown-menu a {
    display: block !important;
    height: auto !important;
    padding: 10px 20px !important;
    font-size: 0.85rem !important;
    color: var(--text-body) !important;
    white-space: nowrap;
}

.dropdown-menu a::after {
    display: none !important;
}

.dropdown-menu a:hover {
    color: var(--primary) !important;
    background: var(--bg-green-50);
}

.navbar.scrolled .dropdown-menu a {
    color: var(--text-body) !important;
}

.navbar.scrolled .dropdown-menu a:hover {
    color: var(--primary) !important;
}

.navbar-cta {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-left: 16px;
    padding: 8px 22px !important;
    height: auto !important;
    background: var(--primary) !important;
    color: #fff !important;
    border-radius: var(--radius-sm) !important;
    font-weight: 600 !important;
    letter-spacing: 0 !important;
}

.navbar-cta::after {
    display: none !important;
}

.navbar-cta:hover {
    background: var(--primary-light) !important;
    color: #fff !important;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(5, 150, 105, 0.35);
}

.navbar.scrolled .navbar-cta {
    background: var(--primary) !important;
    color: #fff !important;
}

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    color: #fff;
    transition: color 0.4s ease;
}

.navbar.scrolled .mobile-toggle {
    color: var(--text-dark);
}

.mobile-toggle svg {
    width: 24px;
    height: 24px;
}

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: var(--bg-green-50);
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

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

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

.hero-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.92) 0%, rgba(240, 253, 244, 0.88) 50%, rgba(5, 150, 105, 0.15) 100%);
}

.hero-video-mode .hero-bg::after {
    background: linear-gradient(135deg, rgba(6, 78, 59, 0.7) 0%, rgba(5, 150, 105, 0.5) 50%, rgba(6, 78, 59, 0.6) 100%);
}

.hero-video-mode .hero-content {
    color: #fff;
}

.hero-video-mode .hero-title {
    color: #fff;
}

.hero-video-mode .hero-desc {
    color: rgba(255, 255, 255, 0.85);
}

.hero-video-mode .hero-badge {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.25);
    color: #fff;
}

.hero-video-mode .hero-stat-value {
    color: var(--primary-lighter);
}

.hero-video-mode .hero-stat-label {
    color: rgba(255, 255, 255, 0.7);
}

.hero-video-mode .hero-stats {
    border-top-color: rgba(255, 255, 255, 0.2);
}

.hero-video-mode .btn-outline {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    border-color: rgba(255, 255, 255, 0.3);
}

.hero-video-mode .btn-outline:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
    color: #fff;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 680px;
    padding: 120px 0 80px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: var(--bg-white);
    border: 1px solid var(--border-green);
    border-radius: 100px;
    font-family: var(--font-display);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 24px;
    animation: fadeInUp 0.6s ease-out;
}

.hero-badge svg {
    width: 14px;
    height: 14px;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.4rem, 5vw, 3.8rem);
    font-weight: 700;
    line-height: 1.12;
    color: var(--text-dark);
    letter-spacing: -0.03em;
    margin-bottom: 20px;
    animation: fadeInUp 0.6s ease-out 0.1s both;
}

.hero-title .accent {
    color: var(--primary);
    position: relative;
}

.hero-title .accent::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 0;
    right: 0;
    height: 6px;
    background: var(--primary-lighter);
    opacity: 0.3;
    border-radius: 3px;
}

.hero-desc {
    font-size: 1.15rem;
    line-height: 1.8;
    color: var(--text-muted);
    margin-bottom: 36px;
    max-width: 520px;
    animation: fadeInUp 0.6s ease-out 0.2s both;
}

.hero-actions {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    animation: fadeInUp 0.6s ease-out 0.3s both;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 30px;
    font-family: var(--font-display);
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    border: none;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

.btn-primary {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 4px 14px rgba(5, 150, 105, 0.3);
}

.btn-primary:hover {
    background: var(--primary-dark);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(5, 150, 105, 0.4);
}

.btn-outline {
    background: var(--bg-white);
    color: var(--primary-dark);
    border: 1.5px solid var(--border-green);
}

.btn-outline:hover {
    background: var(--bg-green-50);
    border-color: var(--primary-light);
    color: var(--primary-dark);
    transform: translateY(-2px);
}

.btn svg {
    width: 18px;
    height: 18px;
}

.hero-stats {
    display: flex;
    gap: 40px;
    margin-top: 56px;
    padding-top: 32px;
    border-top: 1px solid var(--border-green);
    animation: fadeInUp 0.6s ease-out 0.4s both;
}

.hero-stat {
    text-align: left;
}

.hero-stat-value {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: -0.02em;
}

.hero-stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 2px;
}

.trust-bar {
    background: var(--bg-white);
    border-bottom: 1px solid var(--border-green);
    padding: 20px 0;
}

.trust-bar-inner {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-display);
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--text-body);
    white-space: nowrap;
}

.trust-icon {
    width: 28px;
    height: 28px;
    object-fit: contain;
    flex-shrink: 0;
}

.trust-icon-default {
    width: 22px;
    height: 22px;
    color: var(--primary);
    flex-shrink: 0;
}

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

.product-card {
    background: var(--bg-white);
    border: 1px solid var(--border-green);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
    cursor: pointer;
}

.product-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-light);
}

.product-card-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.product-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

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

.product-card-overlay {
    position: absolute;
    inset: 0;
    background: rgba(5, 150, 105, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
    color: #fff;
}

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

.product-card-body {
    padding: 20px;
}

.product-card-title {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 6px;
}

.product-card-desc {
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.testimonial-card {
    background: var(--bg-white);
    border: 1px solid var(--border-green);
    border-radius: var(--radius-lg);
    padding: 32px 28px;
    transition: var(--transition);
    position: relative;
}

.testimonial-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

.testimonial-quote {
    color: var(--primary);
    margin-bottom: 16px;
    line-height: 1;
}

.testimonial-content {
    font-size: 0.95rem;
    color: var(--text-body);
    line-height: 1.8;
    margin-bottom: 24px;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 12px;
    padding-top: 20px;
    border-top: 1px solid var(--border-green);
}

.testimonial-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-light), var(--primary));
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 700;
    flex-shrink: 0;
}

.testimonial-name {
    font-family: var(--font-display);
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--text-dark);
}

.testimonial-position {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 2px;
}

.section {
    padding: 100px 0;
}

.section-green {
    background: var(--bg-green-50);
}

.section-dark {
    background: var(--primary-darker);
    color: #fff;
}

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 56px;
}

.section-label {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 14px;
    background: var(--bg-green-100);
    color: var(--primary);
    font-family: var(--font-display);
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border-radius: 100px;
    margin-bottom: 16px;
}

.section-dark .section-label {
    background: rgba(255, 255, 255, 0.12);
    color: var(--primary-lighter);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 3vw, 2.5rem);
    font-weight: 700;
    color: var(--text-dark);
    letter-spacing: -0.02em;
    line-height: 1.2;
    margin-bottom: 14px;
}

.section-dark .section-title {
    color: #fff;
}

.section-desc {
    font-size: 1.05rem;
    color: var(--text-muted);
    line-height: 1.7;
}

.section-dark .section-desc {
    color: rgba(255, 255, 255, 0.7);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.feature-card {
    background: var(--bg-white);
    border: 1px solid var(--border-green);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    transition: var(--transition);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--primary-light));
    opacity: 0;
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-icon {
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-green-50);
    border-radius: var(--radius-md);
    margin-bottom: 20px;
    color: var(--primary);
    transition: var(--transition);
}

.feature-card:hover .feature-icon {
    background: var(--primary);
    color: #fff;
}

.feature-icon svg {
    width: 24px;
    height: 24px;
}

.feature-title {
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 10px;
}

.feature-desc {
    font-size: 0.92rem;
    color: var(--text-muted);
    line-height: 1.7;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-image {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.about-image img {
    width: 100%;
    height: 420px;
    object-fit: cover;
}

.about-image-badge {
    position: absolute;
    bottom: 20px;
    right: 20px;
    background: var(--primary);
    color: #fff;
    padding: 14px 22px;
    border-radius: var(--radius-md);
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.1rem;
    box-shadow: var(--shadow-lg);
}

.about-content .section-label {
    margin-bottom: 12px;
}

.about-content .section-title {
    text-align: left;
    margin-bottom: 18px;
}

.about-text {
    font-size: 1rem;
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 28px;
}

.about-list {
    list-style: none;
    margin-bottom: 32px;
}

.about-list li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 8px 0;
    font-size: 0.95rem;
    color: var(--text-body);
}

.about-list li svg {
    width: 20px;
    height: 20px;
    color: var(--primary);
    flex-shrink: 0;
    margin-top: 2px;
}

.stats-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.stat-card {
    text-align: center;
    padding: 36px 20px;
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-green);
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.stat-value {
    font-family: var(--font-display);
    font-size: 2.6rem;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: -0.03em;
    line-height: 1;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.cta-section {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--primary-darker) 0%, var(--primary-dark) 50%, var(--primary) 100%);
    color: #fff;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(52, 211, 153, 0.2) 0%, transparent 70%);
    border-radius: 50%;
}

.cta-section::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(16, 185, 129, 0.15) 0%, transparent 70%);
    border-radius: 50%;
}

.cta-content {
    position: relative;
    z-index: 1;
    max-width: 600px;
    margin: 0 auto;
}

.cta-title {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 3vw, 2.4rem);
    font-weight: 700;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.cta-desc {
    font-size: 1.05rem;
    opacity: 0.85;
    margin-bottom: 32px;
    line-height: 1.7;
}

.btn-white {
    background: #fff;
    color: var(--primary-dark);
    font-weight: 700;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.15);
}

.btn-white:hover {
    background: var(--bg-green-50);
    color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}

.footer {
    background: var(--primary-darker);
    color: rgba(255, 255, 255, 0.7);
    padding: 60px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
}

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

.footer-desc {
    font-size: 0.9rem;
    line-height: 1.7;
    max-width: 300px;
}

.footer-heading {
    font-family: var(--font-display);
    font-size: 0.85rem;
    font-weight: 600;
    color: #fff;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 18px;
}

.footer-links {
    list-style: none;
}

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

.footer-links a {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
    transition: var(--transition);
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    font-size: 0.82rem;
    flex-wrap: wrap;
    gap: 8px;
}

.icp-info {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.78rem;
    color: rgba(255, 255, 255, 0.45);
}

.icp-item,
.gongan-item {
    display: flex;
    align-items: center;
    gap: 4px;
}

.beian-icon {
    width: 14px;
    height: 14px;
    vertical-align: middle;
    opacity: 0.6;
}

.beian-icon svg {
    width: 14px;
    height: 14px;
}

.beian-separator {
    opacity: 0.3;
}

.icp-link {
    color: rgba(255, 255, 255, 0.45);
    text-decoration: none;
    transition: color 0.3s ease;
}

.icp-link:hover {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
}

.page-loader {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: var(--bg-white);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.4s ease, visibility 0.4s ease;
}

.page-loader.loaded {
    opacity: 0;
    visibility: hidden;
}

.loader-spinner {
    width: 36px;
    height: 36px;
    border: 3px solid var(--border-green);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.nav-search-btn {
    background: none;
    border: none;
    cursor: pointer;
    color: inherit;
    padding: 8px;
    display: inline-flex;
    align-items: center;
    transition: color 0.3s ease;
}

.nav-search-btn:hover {
    color: var(--primary);
}

.navbar-right-mobile {
    display: none;
    align-items: center;
    gap: 4px;
}

.search-overlay {
    position: fixed;
    inset: 0;
    z-index: 2000;
    background: rgba(6, 78, 59, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

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

.search-overlay-inner {
    width: 90%;
    max-width: 640px;
    position: relative;
}

.search-close {
    position: absolute;
    top: -56px;
    right: 0;
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.7);
    cursor: pointer;
    padding: 8px;
    transition: color 0.3s ease;
}

.search-close:hover {
    color: #fff;
}

.search-form {
    display: flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: border-color 0.3s ease;
}

.search-form:focus-within {
    border-color: var(--primary-lighter);
    background: rgba(255, 255, 255, 0.18);
}

.search-input {
    flex: 1;
    padding: 18px 24px;
    background: none;
    border: none;
    color: #fff;
    font-family: var(--font-display);
    font-size: 1.15rem;
    outline: none;
}

.search-input::placeholder {
    color: rgba(255, 255, 255, 0.45);
}

.search-submit {
    padding: 18px 24px;
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.6);
    cursor: pointer;
    transition: color 0.3s ease;
}

.search-submit:hover {
    color: #fff;
}

.back-to-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    z-index: 900;
    width: 44px;
    height: 44px;
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    transform: translateY(12px);
    transition: opacity 0.3s ease, visibility 0.3s ease, transform 0.3s ease, background 0.3s ease;
}

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

.back-to-top:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.article-nav {
    display: flex;
    gap: 16px;
    margin-top: 40px;
    padding-top: 32px;
    border-top: 1px solid var(--border-green);
}

.article-nav-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: 16px 20px;
    background: var(--bg-green-50);
    border: 1px solid var(--border-green);
    border-radius: var(--radius-md);
    transition: var(--transition);
    cursor: pointer;
}

.article-nav-item:hover {
    background: var(--bg-white);
    border-color: var(--primary-light);
    box-shadow: var(--shadow-sm);
}

.article-nav-next {
    text-align: right;
}

.article-nav-label {
    display: flex;
    align-items: center;
    gap: 4px;
    font-family: var(--font-display);
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.article-nav-next .article-nav-label {
    justify-content: flex-end;
}

.article-nav-title {
    font-family: var(--font-display);
    font-size: 0.92rem;
    font-weight: 500;
    color: var(--text-dark);
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.related-section {
    margin-top: 48px;
    padding-top: 36px;
    border-top: 1px solid var(--border-green);
}

.related-title {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 20px;
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.related-card {
    display: block;
    background: var(--bg-white);
    border: 1px solid var(--border-green);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: var(--transition);
    cursor: pointer;
}

.related-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-light);
}

.related-card-image {
    width: 100%;
    height: 130px;
    overflow: hidden;
}

.related-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.related-card-body {
    padding: 14px 16px;
}

.related-card-title {
    font-family: var(--font-display);
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--text-dark);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 6px;
}

.related-card-date {
    font-size: 0.78rem;
    color: var(--text-muted);
}

.tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tag-cloud-item {
    display: inline-flex;
    padding: 4px 12px;
    background: var(--bg-green-50);
    color: var(--primary);
    font-family: var(--font-display);
    font-size: 0.78rem;
    font-weight: 500;
    border-radius: 100px;
    border: 1px solid var(--border-green);
    transition: var(--transition);
    cursor: pointer;
}

.tag-cloud-item:hover {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

.partners-grid {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 32px;
}

.partner-item {
    width: 140px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-white);
    border: 1px solid var(--border-green);
    border-radius: var(--radius-md);
    padding: 12px 20px;
    transition: var(--transition);
    filter: grayscale(100%);
    opacity: 0.6;
}

.partner-item:hover {
    filter: grayscale(0%);
    opacity: 1;
    border-color: var(--primary-light);
    box-shadow: var(--shadow-sm);
}

.partner-item img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.partner-name {
    font-family: var(--font-display);
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text-muted);
    white-space: nowrap;
}

.page-404 {
    min-height: 70vh;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    background: linear-gradient(180deg, var(--bg-green-50) 0%, var(--bg-white) 100%);
}

.page-404-inner {
    text-align: center;
    max-width: 480px;
    margin: 0 auto;
}

.page-404-code {
    font-family: var(--font-display);
    font-size: clamp(6rem, 12vw, 10rem);
    font-weight: 700;
    color: var(--primary);
    line-height: 1;
    letter-spacing: -0.04em;
    opacity: 0.15;
    margin-bottom: -24px;
}

.page-404-title {
    font-family: var(--font-display);
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.page-404-desc {
    font-size: 1rem;
    color: var(--text-muted);
    margin-bottom: 32px;
    line-height: 1.7;
}

.page-404-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

.page-banner {
    background: linear-gradient(135deg, var(--bg-green-50) 0%, var(--bg-green-100) 100%);
    padding: 128px 0 60px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-banner::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 40%;
    height: 100%;
    background: url('images/industrial-machinery.jpg') center/cover no-repeat;
    opacity: 0.06;
}

.page-banner-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 2.8rem);
    font-weight: 700;
    color: var(--text-dark);
    letter-spacing: -0.02em;
    margin-bottom: 12px;
}

.page-banner-desc {
    font-size: 1.05rem;
    color: var(--text-muted);
    max-width: 500px;
    margin: 0 auto;
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    justify-content: center;
    margin-bottom: 20px;
    font-size: 0.85rem;
}

.breadcrumb a {
    color: var(--primary);
}

.breadcrumb span {
    color: var(--text-muted);
}

.article-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
}

.article-card {
    background: var(--bg-white);
    border: 1px solid var(--border-green);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
    cursor: pointer;
}

.article-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

.article-card-image {
    width: 100%;
    height: 220px;
    overflow: hidden;
}

.article-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.article-card-body {
    padding: 24px;
}

.article-card-meta {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 12px;
    font-size: 0.82rem;
    color: var(--text-muted);
}

.article-card-tag {
    display: inline-flex;
    padding: 3px 10px;
    background: var(--bg-green-100);
    color: var(--primary);
    font-family: var(--font-display);
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 100px;
}

.article-card-title {
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 10px;
    line-height: 1.4;
    transition: var(--transition);
}

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

.article-card-excerpt {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.7;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.article-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 24px;
    border-top: 1px solid var(--border-green);
}

.article-card-author {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.article-card-author-avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--bg-green-100);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-family: var(--font-display);
    font-size: 0.7rem;
    font-weight: 700;
}

.article-card-read {
    font-family: var(--font-display);
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 4px;
}

.article-card-read svg {
    width: 14px;
    height: 14px;
    transition: transform 0.3s ease;
}

.article-card:hover .article-card-read svg {
    transform: translateX(3px);
}

.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 48px;
}

.pagination a,
.pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 12px;
    border-radius: var(--radius-sm);
    font-family: var(--font-display);
    font-size: 0.88rem;
    font-weight: 500;
    border: 1px solid var(--border-green);
    color: var(--text-body);
    transition: var(--transition);
    cursor: pointer;
}

.pagination a:hover {
    background: var(--bg-green-50);
    border-color: var(--primary-light);
    color: var(--primary);
}

.pagination .active {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

.article-detail {
    padding: 40px 0 80px;
}

.article-detail-layout {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 48px;
}

.article-main {}

.article-cover {
    width: 100%;
    height: 400px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: 32px;
}

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

.article-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.article-meta-item {
    display: flex;
    align-items: center;
    gap: 5px;
}

.article-meta-item svg {
    width: 15px;
    height: 15px;
}

.article-detail-title {
    font-family: var(--font-display);
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    font-weight: 700;
    color: var(--text-dark);
    letter-spacing: -0.02em;
    line-height: 1.3;
    margin-bottom: 24px;
}

.article-body {
    font-size: 1.05rem;
    line-height: 1.9;
    color: var(--text-body);
}

.article-body h2 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-dark);
    margin: 36px 0 16px;
    padding-left: 14px;
    border-left: 3px solid var(--primary);
}

.article-body h3 {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-dark);
    margin: 28px 0 12px;
}

.article-body p {
    margin-bottom: 18px;
}

.article-body ul {
    margin-bottom: 18px;
    padding-left: 24px;
}

.article-body li {
    margin-bottom: 8px;
}

.article-body blockquote {
    margin: 24px 0;
    padding: 20px 24px;
    background: var(--bg-green-50);
    border-left: 3px solid var(--primary);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    font-style: italic;
    color: var(--text-muted);
}

.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid var(--border-green);
}

.article-tag {
    display: inline-flex;
    padding: 5px 14px;
    background: var(--bg-green-50);
    color: var(--primary);
    font-family: var(--font-display);
    font-size: 0.8rem;
    font-weight: 500;
    border-radius: 100px;
    border: 1px solid var(--border-green);
    transition: var(--transition);
    cursor: pointer;
}

.article-tag:hover {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

.article-sidebar {}

.sidebar-widget {
    background: var(--bg-white);
    border: 1px solid var(--border-green);
    border-radius: var(--radius-lg);
    padding: 24px;
    margin-bottom: 24px;
}

.sidebar-title {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--primary);
}

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

.sidebar-list li {
    padding: 10px 0;
    border-bottom: 1px solid var(--border-green);
}

.sidebar-list li:last-child {
    border-bottom: none;
}

.sidebar-list a {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
    color: var(--text-body);
}

.sidebar-list a:hover {
    color: var(--primary);
}

.sidebar-list .num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    background: var(--bg-green-100);
    color: var(--primary);
    font-family: var(--font-display);
    font-size: 0.72rem;
    font-weight: 700;
    border-radius: 4px;
    flex-shrink: 0;
}

.sidebar-recent-item {
    display: flex;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-green);
}

.sidebar-recent-item:last-child {
    border-bottom: none;
}

.sidebar-recent-thumb {
    width: 72px;
    height: 54px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    flex-shrink: 0;
}

.sidebar-recent-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.sidebar-recent-title {
    font-family: var(--font-display);
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--text-dark);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 4px;
}

.sidebar-recent-date {
    font-size: 0.78rem;
    color: var(--text-muted);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(24px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.animate-on-scroll {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

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

@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

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

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

    .article-detail-layout {
        grid-template-columns: 1fr;
    }

    .article-sidebar {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 24px;
    }

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

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

@media (max-width: 768px) {
    .navbar-inner {
        padding: 0 20px;
        height: 60px;
    }

    .navbar-nav {
        display: none;
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--primary-darker);
        flex-direction: column;
        align-items: stretch;
        padding: 24px;
        gap: 0;
        height: auto;
        overflow-y: auto;
    }

    .navbar-nav.open {
        display: flex;
    }

    .navbar-nav li {
        height: auto;
    }

    .navbar-nav a {
        height: auto;
        padding: 14px 0;
        color: rgba(255, 255, 255, 0.75);
        font-size: 1rem;
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }

    .navbar-nav a::after {
        display: none;
    }

    .navbar-nav a:hover,
    .navbar-nav a.active {
        color: #fff;
    }

    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        background: rgba(255, 255, 255, 0.06);
        border: none;
        box-shadow: none;
        border-radius: 0;
        padding: 0 0 0 20px;
        min-width: auto;
    }

    .dropdown-menu a {
        color: rgba(255, 255, 255, 0.6) !important;
        font-size: 0.9rem !important;
        border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    }

    .dropdown-menu a:hover {
        color: #fff !important;
        background: none !important;
    }

    .nav-arrow {
        display: none;
    }

    .navbar-cta {
        margin-left: 0 !important;
        margin-top: 16px;
        justify-content: center;
        padding: 14px 22px !important;
    }

    .mobile-toggle {
        display: block;
    }

    .navbar-right-mobile {
        display: flex;
    }

    .nav-search-btn {
        display: none;
    }

    .hero-content {
        padding: 100px 0 60px;
    }

    .hero-stats {
        gap: 24px;
    }

    .hero-stat-value {
        font-size: 1.5rem;
    }

    .trust-bar-inner {
        gap: 20px;
    }

    .trust-item {
        font-size: 0.8rem;
    }

    .trust-icon {
        width: 22px;
        height: 22px;
    }

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

    .stats-row {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

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

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 8px;
        text-align: center;
    }

    .icp-info {
        flex-wrap: wrap;
        justify-content: center;
    }

    .icp-info .beian-separator {
        display: none;
    }

    .article-sidebar {
        grid-template-columns: 1fr;
    }

    .article-nav {
        flex-direction: column;
    }

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

    .partners-grid {
        gap: 16px;
    }

    .partner-item {
        width: 110px;
        height: 52px;
    }

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

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

    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 40px;
        height: 40px;
    }

    .section {
        padding: 60px 0;
    }
}

@media (max-width: 480px) {
    .hero-stats {
        flex-direction: column;
        gap: 16px;
    }

    .hero-actions {
        flex-direction: column;
    }

    .btn {
        justify-content: center;
    }

    .stat-card {
        padding: 24px 16px;
    }

    .stat-value {
        font-size: 2rem;
    }
}