/* ===== Font Imports ===== */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&family=Noto+Sans+SC:wght@300;400;500;600;700;800&display=swap');

/* ===== CSS Variables ===== */
:root {
    --primary: #4a8228;
    --primary-dark: #3a6b1c;
    --bg-light: #fafafa;
    --text-dark: #111827;
    --text-gray: #4b5563;
    --font-sans: 'Outfit', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

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

body {
    font-family: var(--font-sans);
    color: var(--text-dark);
    background-color: var(--bg-light);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

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

ul, li {
    list-style: none;
}

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

/* ===== Layout ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
}

.section {
    padding: 80px 0;
}

.section-bg {
    background: linear-gradient(180deg, #f8f9fa 0%, #ffffff 100%);
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    border-radius: 4px;
    font-size: 15px;
    font-weight: 600;
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    border: none;
    outline: none;
    transform: scale(1);
    gap: 8px;
}

.btn .fas {
    font-size: 16px;
}

.btn-primary {
    background-color: var(--primary);
    color: #fff;
    box-shadow: 0 4px 14px rgba(74, 130, 40, 0.2);
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 8px 24px rgba(74, 130, 40, 0.3);
}

.btn-outline {
    background-color: transparent;
    border: 1px solid #d1d5db;
    color: var(--text-dark);
}

.btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary);
    background-color: rgba(74, 130, 40, 0.05);
    transform: scale(1.02);
}

.btn-icon {
    margin-left: 8px;
    font-size: 16px;
}

.btn-block {
    width: 100%;
    padding: 15px;
    font-size: 16px;
    text-align: center;
}

/* ===== Header ===== */
.header {
    height: 80px;
    background-color: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    box-shadow: 0 1px 0 rgba(0,0,0,0.05);
    display: flex;
    align-items: center;
    transition: all 0.3s ease;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 26px;
    font-weight: 800;
    color: var(--text-dark);
    letter-spacing: 0.5px;
}

.logo-img {
    height: 40px;
    width: auto;
    object-fit: contain;
}

.nav {
    display: flex;
    gap: 35px;
}

.nav-link {
    font-size: 15px;
    font-weight: 500;
    color: var(--text-dark);
    position: relative;
    padding: 8px 0;
    letter-spacing: 0.5px;
    transition: color 0.3s ease;
}

.nav-link:hover, .nav-link.active {
    color: var(--primary);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background-color: var(--primary);
    transition: all 0.3s ease;
}

.nav-link:hover::after, .nav-link.active::after {
    width: 100%;
}

.nav-item {
    position: relative;
}

.desktop-submenu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(15px);
    background: #fff;
    min-width: 160px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.08);
    border-radius: 8px;
    padding: 10px 0;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
}

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

.desktop-submenu-item {
    display: block;
    padding: 10px 20px;
    font-size: 14px;
    color: #555;
    text-align: center;
    transition: all 0.3s;
}

.desktop-submenu-item:hover {
    color: #5A9C30;
    background: #f9f9f9;
}

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

.header-icon-btn {
    background: none;
    border: none;
    cursor: pointer;
    color: #333;
    font-size: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lang-dropdown {
    position: relative;
    cursor: pointer;
    display: flex;
    align-items: center;
}

.lang-current {
    font-size: 13px;
    margin-left: 2px;
    white-space: nowrap;
}

.lang-menu {
    position: absolute;
    top: 100%;
    right: -10px;
    background: #fff;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    border-radius: 8px;
    padding: 10px 0;
    min-width: 120px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s;
    z-index: 101;
}

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

.lang-menu-item {
    padding: 8px 20px;
    font-size: 14px;
    color: #333;
    transition: background 0.3s;
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    white-space: nowrap;
}

.lang-menu-item:hover {
    background: #f5f5f5;
    color: #5A9C30;
}

.lang-flag {
    width: 20px;
    height: 14px;
    object-fit: cover;
    border-radius: 2px;
    flex-shrink: 0;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-dark);
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    transform: scale(1);
    font-size: 24px;
}

.menu-toggle:hover {
    transform: scale(1.1);
}

.desktop-only {
    display: inline-flex;
}

/* ===== Search Modal ===== */
.search-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
}

.search-modal.open {
    display: flex;
}

.search-modal-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.6);
    backdrop-filter: blur(5px);
}

.search-modal-content {
    position: relative;
    background: #fff;
    padding: 40px;
    border-radius: 16px;
    width: 90%;
    max-width: 600px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.2);
    z-index: 1;
    animation: modalPop 0.3s ease-out forwards;
}

.search-form {
    width: 100%;
}

@keyframes modalPop {
    from { opacity: 0; transform: scale(0.9); }
    to { opacity: 1; transform: scale(1); }
}

.search-input-group {
    display: flex;
    border: 2px solid var(--primary);
    border-radius: 4px;
    overflow: hidden;
    height: 56px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
}

.search-input-group input {
    flex: 1;
    min-width: 0;
    border: none;
    outline: none;
    padding: 0 24px;
    font-size: 16px;
    color: var(--text-dark);
}

.search-btn {
    flex-shrink: 0;
    background: var(--primary);
    color: #fff;
    border: none;
    width: 64px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    transform: scale(1);
    font-size: 20px;
}

.search-btn:hover {
    background: var(--primary-dark);
    transform: scale(1.05);
}

.search-close {
    position: absolute;
    top: -50px;
    right: 0;
    background: none;
    border: none;
    color: #fff;
    cursor: pointer;
    transition: transform 0.3s;
    font-size: 24px;
}

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

/* ===== Mobile Menu ===== */
.mobile-menu {
    display: none;
}

.mobile-nav-item {
    border-bottom: 1px solid #f5f5f5;
}

.mobile-nav-link {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
    font-size: 16px;
    font-weight: 600;
    color: #333;
    cursor: pointer;
}

.mobile-nav-link a.active {
    color: #5A9C30;
}

.mobile-nav-chevron {
    transition: transform 0.3s;
    font-size: 18px;
}

.mobile-nav-chevron.expanded {
    transform: rotate(180deg);
}

.mobile-submenu {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
    background: #fafafa;
    margin: 0 -20px;
    padding: 0 20px;
}

.mobile-submenu.open {
    max-height: 400px;
}

.mobile-submenu-item {
    display: block;
    padding: 12px 20px;
    font-size: 14px;
    color: #666;
    border-bottom: 1px solid #eee;
}

.mobile-submenu-item:last-child {
    border-bottom: none;
}

/* ===== Hero ===== */
.hero {
    margin-top: 80px;
    position: relative;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    opacity: 0;
    transition: opacity 1s ease-in-out;
    z-index: 0;
}

.hero-slides {
    position: relative;
    width: 100%;
}

.hero-slide.active {
    opacity: 1;
    z-index: 1;
}

.hero-slide-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    transform: scale(1.05);
    transition: transform 6s ease-out;
}

.hero-slide-1 .hero-slide-bg {
   
}

.hero-slide-2 .hero-slide-bg {
    
}

.hero-slide-3 .hero-slide-bg {
    
}

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

.hero-slide::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 65%;
    height: 100%;

    z-index: 1;
}

.hero-slide .container {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    height: 100%;
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 650px;
    padding-top: 200px;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out 0.3s;
}

.hero-slide.active .hero-content {
    opacity: 1;
    transform: translateY(0);
}

.hero-title {
    font-size: 64px;
    font-weight: 800;
    color: var(--text-dark);
    line-height: 1.15;
    margin-bottom: 24px;
    letter-spacing: -1px;
}

.hero-title span {
    color: var(--primary);
}

.hero-subtitle {
    font-size: 20px;
    color: var(--text-gray);
    margin-bottom: 45px;
    line-height: 1.7;
    font-weight: 400;
    letter-spacing: 0.5px;
}

.hero-btns {
    display: flex;
    gap: 20px;
}

.hero-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 15px;
    z-index: 2;
}

.indicator-num {
    font-size: 15px;
    font-weight: 600;
    color: #333;
}

.indicator-line {
    width: 80px;
    height: 2px;
    background-color: rgba(0,0,0,0.1);
    position: relative;
}

.indicator-line::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    width: 30%;
    background-color: #5A9C30;
}

.indicator-dots {
    display: flex;
    gap: 10px;
    margin-left: 20px;
}

.indicator-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(0,0,0,0.2);
    cursor: pointer;
    transition: all 0.3s;
}

.indicator-dot.active {
    background: #5A9C30;
    width: 24px;
    border-radius: 4px;
}

/* ===== Floating Tools ===== */
.floating-tools {
    position: fixed;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    background: #fff;
    border-radius: 30px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    display: flex;
    flex-direction: column;
    padding: 10px 8px;
    gap: 15px;
    z-index: 100;
}

.tool-item {
    position: relative;
    display: flex;
    justify-content: center;
}

.tool-item.back-to-top {
    display: none;
}

.tool-item.back-to-top.visible {
    display: flex;
}

.floating-tools button {
    background: none;
    border: none;
    cursor: pointer;
    color: #777;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    transition: all 0.3s;
    font-size: 20px;
}

.floating-tools button:hover {
    background-color: #f4f8f1;
    color: #5A9C30;
}

.tool-popover {
    position: absolute;
    right: calc(100% + 15px);
    top: 50%;
    transform: translateY(-50%) translateX(15px);
    background: #fff;
    box-shadow: 0 5px 20px rgba(0,0,0,0.15);
    border-radius: 8px;
    opacity: 0;
    visibility: visible;
    transition: all 0.3s;
    pointer-events: none;
    z-index: 102;
}

.tool-item:hover .tool-popover {
    opacity: 1;
    visibility: visible;
    transform: translateY(-50%) translateX(0);
    pointer-events: auto;
}

.text-popover {
    padding: 10px 20px;
    white-space: nowrap;
    color: #5A9C30;
    font-weight: 600;
}

.qr-popover {
    padding: 12px;
    text-align: center;
    width: 184px;
    min-width: 184px;
}

.qr-popover img {
    width: 160px;
    height: 160px;
    object-fit: contain;
    display: block;
    border-radius: 6px;
}

.qr-popover::after {
    content: '微信咨询';
    display: block;
    font-size: 12px;
    color: #666;
    margin-top: 6px;
}

/* ===== Animation Classes ===== */
.fade-up {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 1s cubic-bezier(0.16, 1, 0.3, 1), transform 1s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.fade-left {
    opacity: 0;
    transform: translateX(-40px);
    transition: opacity 1s cubic-bezier(0.16, 1, 0.3, 1), transform 1s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.fade-right {
    opacity: 0;
    transform: translateX(40px);
    transition: opacity 1s cubic-bezier(0.16, 1, 0.3, 1), transform 1s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* ===== About Section ===== */
.about-wrap {
    display: flex;
    gap: 80px;
    align-items: center;
}

.about-img-box {
    flex: 1;
    position: relative;
    padding: 0 20px 20px 0;
}

.about-img-box::before {
    content: '';
    position: absolute;
    top: 20px;
    left: 20px;
    width: calc(100% - 20px);
    height: calc(100% - 20px);
    border: 2px solid var(--primary);
    border-radius: 8px;
    z-index: 0;
}

.about-img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 8px;
    position: relative;
    z-index: 1;
    box-shadow: 0 20px 40px rgba(0,0,0,0.08);
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.about-img-box:hover .about-img {
    transform: scale(1.02);
}

.about-text-box {
    flex: 1;
}

.section-head {
    margin-bottom: 35px;
}

.section-subtitle {
    font-size: 14px;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 12px;
    display: block;
    font-weight: 700;
}

.section-title {
    font-size: 42px;
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: 24px;
    letter-spacing: -0.5px;
}

.section-title span {
    color: var(--primary);
}

.about-desc {
    color: #666;
    margin-bottom: 40px;
    line-height: 1.8;
    font-size: 15px;
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-bottom: 45px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 15px;
}

.feature-icon-wrap {
    width: 52px;
    height: 52px;
    background-color: #f2f7ef;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #5A9C30;
    font-size: 24px;
}

.feature-info h4 {
    font-size: 18px;
    font-weight: 700;
    color: #222;
    margin-bottom: 4px;
}

.feature-info p {
    font-size: 13px;
    color: #888;
}

/* ===== Products Section ===== */
.products-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 50px;
}

.products-header-desc {
    color: #666;
    font-size: 16px;
    margin-top: 10px;
}

.section-header-center {
    justify-content: center;
    text-align: center;
    margin-bottom: 40px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.section-header-center p {
    color: #666;
    font-size: 15px;
}

.link-more {
    font-size: 14px;
    color: #666;
    display: flex;
    align-items: center;
    gap: 6px;
    font-weight: 500;
}

.link-more:hover {
    color: #5A9C30;
}

.link-more .fas {
    font-size: 14px;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

.product-card {
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    border: 1px solid rgba(0,0,0,0.04);
    box-shadow: 0 10px 40px -10px rgba(0,0,0,0.03);
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px -10px rgba(0,0,0,0.08);
}

.product-img-link {
    display: block;
    text-decoration: none;
    color: inherit;
}

.product-img-wrap {
    position: relative;
    height: 260px;
    overflow: hidden;
    background-color: var(--bg-light);
}

.product-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.product-badge {
    position: absolute;
    top: 15px;
    left: 15px;
    background-color: rgba(255,255,255,0.95);
    color: var(--primary);
    font-size: 12px;
    padding: 6px 14px;
    border-radius: 4px;
    font-weight: 700;
    z-index: 2;
    backdrop-filter: blur(4px);
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.product-info {
    padding: 10px;
}

.product-name {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-dark);
    letter-spacing: -0.2px;
}

.product-name a {
    color: inherit;
    text-decoration: none;
    transition: color 0.3s ease;
}

.product-name a:hover {
    color: var(--primary);
}

.product-desc {
    font-size: 14px;
    color: var(--text-gray);
    margin-bottom: 25px;
    line-height: 1.6;
    height: 44px;
    overflow: hidden;
}

.product-link {
    font-size: 14px;
    color: #5A9C30;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-weight: 600;
}

/* ===== Stats Banner ===== */
.stats-banner {
    position: relative;
    padding: 45px 0;
    border-radius: 16px;
    margin: 60px 0;
    overflow: hidden;
    
}

.stats-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.88);
    z-index: 1;
}

.stats-grid {
    position: relative;
    z-index: 2;
    display: flex;
    justify-content: space-around;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 20px;
}

.stat-icon {
    width: 44px;
    height: 44px;
    color: #5A9C30;
    background: none;
    padding: 0;
    border-radius: 0;
    font-size: 44px;
}

.stat-num {
    font-size: 32px;
    font-weight: 800;
    color: #222;
    line-height: 1;
}

.stat-num span {
    font-size: 24px;
    color: #5A9C30;
}

.stat-label {
    font-size: 14px;
    color: #777;
    margin-top: 6px;
    font-weight: 500;
}

/* ===== Applications ===== */
.apps-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
}

.app-card {
    display: block;
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    height: 200px;
    cursor: pointer;
    box-shadow: 0 10px 30px -10px rgba(0,0,0,0.05);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    text-decoration: none;
    color: inherit;
}

.app-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 15px 35px -10px rgba(0,0,0,0.1);
}

.app-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.app-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(0,0,0,0.7) 0%, rgba(0,0,0,0) 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    align-items: center;
    padding-bottom: 25px;
    transition: background 0.4s ease;
}

.app-card:hover .app-overlay {
    background: rgba(90, 156, 48, 0.85);
}

.app-icon {
    width: 45px;
    height: 45px;
    border: 1.5px solid rgba(255,255,255,0.6);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    margin-bottom: 12px;
    transition: all 0.3s ease;
    font-size: 20px;
}

.app-card:hover .app-icon {
    border-color: #fff;
    transform: translateY(-5px);
}

.app-title {
    color: #fff;
    font-size: 16px;
    font-weight: 600;
}

/* ===== News ===== */
.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

/* 新闻列表页：两列布局（不影响首页三列） */
.news-list-grid {
    grid-template-columns: repeat(2, 1fr);
}

.news-card {
    background: #fff;
    border-radius: 8px;
    padding: 10px;
    display: flex;
    gap: 20px;
    box-shadow: 0 10px 30px -10px rgba(0,0,0,0.03);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    border: 1px solid rgba(0,0,0,0.04);
}

.news-card:hover {
    box-shadow: 0 20px 40px -10px rgba(0,0,0,0.08);
    transform: translateY(-5px);
}

.news-date-link {
    text-decoration: none;
    color: inherit;
    display: block;
}

.news-date {
    background-color: #5A9C30;
    color: #fff;
    border-radius: 10px;
    width: 65px;
    height: 65px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.news-day {
    font-size: 26px;
    font-weight: 800;
    line-height: 1.1;
}

.news-month {
    font-size: 12px;
    margin-top: 2px;
    opacity: 0.9;
}

.news-info {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    flex: 1;
}

.news-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 10px;
    letter-spacing: -0.2px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.5;
}

.news-title a {
    color: inherit;
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.news-desc {
    font-size: 13px;
    color: #777;
    margin-bottom: 5px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.6;
}

.news-desc a {
    color: inherit;
    text-decoration: none;
}

.news-card .link-more {
    color: #5A9C30;
    font-size: 13px;
    
    display: inline-flex;
    align-self: flex-start;
}

/* ===== FAQ Section ===== */
.faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    width: 100%;
    align-items: start;
}

/* FAQ 列表页：单列布局（不影响首页双列） */
.faq-list-grid {
    grid-template-columns: 1fr;
    
    margin: 0 auto;
}

.faq-item {
    background: #fff;
    border: 1px solid rgba(0,0,0,0.06);
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.3s;
    align-self: start;
}

.faq-item:hover {
    box-shadow: 0 10px 30px -10px rgba(0,0,0,0.08);
    border-color: rgba(0,0,0,0.1);
}

.faq-question {
    display: flex;
    align-items: center;
    padding: 24px;
    gap: 16px;
}

.faq-q-icon {
    width: 32px;
    height: 32px;
    background: transparent;
    border: 1.5px solid var(--primary);
    color: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 15px;
    flex-shrink: 0;
}

.faq-question h4 {
    flex: 1;
    font-size: 16px;
    color: #333;
    font-weight: 600;
    margin: 0;
}

.faq-arrow {
    color: #999;
    transition: transform 0.3s;
    font-size: 20px;
}

.faq-arrow.expanded {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}

.faq-answer.expanded {
    max-height: 400px;
}

.faq-answer-inner {
    padding: 0 20px 20px;
    display: flex;
    gap: 15px;
}

.faq-a-icon {
    width: 28px;
    height: 28px;
    background: #5A9C30;
    color: #fff;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 16px;
    flex-shrink: 0;
}

.faq-answer-content {
    flex: 1;
}

.faq-answer p {
    color: #666;
    font-size: 14px;
    line-height: 1.6;
    margin: 0;
    padding-top: 4px;
}

.faq-link-more {
    margin-top: 10px;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

/* ===== CTA Section ===== */
.cta-section {
    background: linear-gradient(rgba(242, 247, 239, 0.92), rgba(242, 247, 239, 0.92)), url('https://images.unsplash.com/photo-1542840410-3092f99611a3?ixlib=rb-4.0.3&auto=format&fit=crop&w=1920&q=80') center/cover no-repeat;
    padding: 70px 0;
}

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

.cta-text h2 {
    font-size: 30px;
    font-weight: 800;
    color: #222;
    margin-bottom: 12px;
}

.cta-text p {
    color: #555;
    font-size: 16px;
}

/* ===== Footer ===== */
.footer {
    background-color: #1a2f23;
    color: #9cb1a2;
    padding: 70px 0 25px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1.5fr;
    gap: 45px;
    margin-bottom: 50px;
}

.footer-logo {
    color: #fff;
    font-size: 22px;
    font-weight: 800;
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 25px;
}

.footer-logo .logo-img {
    height: 32px;
}

.footer-desc {
    font-size: 14px;
    line-height: 1.8;
    margin-bottom: 25px;
}

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

.social-links a {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: rgba(255,255,255,0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    transition: all 0.3s;
    font-size: 16px;
}

.social-links a:hover {
    background-color: #5A9C30;
    transform: translateY(-3px);
}

.footer-title {
    color: #fff;
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 25px;
}

.footer-links li {
    margin-bottom: 15px;
}

.footer-links a {
    font-size: 14px;
    transition: color 0.3s;
}

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

.contact-info li {
    display: flex;
    gap: 12px;
    margin-bottom: 18px;
    font-size: 14px;
    align-items: flex-start;
}

.contact-icon {
    color: #5A9C30;
    flex-shrink: 0;
    margin-top: 2px;
    font-size: 16px;
}

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

.qr-code {
    width: 100px;
    height: 100px;
    background-color: #fff;
    padding: 6px;
    border-radius: 8px;
    margin-top: 15px;
}

.qr-code img {
    width: 100%;
}

.qr-text {
    font-size: 13px;
    text-align: center;
    margin-top: 8px;
    color: #9cb1a2;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.08);
    padding-top: 25px;
    display: flex;
    justify-content: space-between;
    font-size: 13px;
}

.footer-bottom-links {
    display: flex;
    gap: 25px;
}

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

.footer-friendly-links {
    border-top: 1px solid rgba(255,255,255,0.08);
    padding-top: 25px;
    margin-bottom: 25px;
}

.footer-friendly-links .footer-title {
    margin-bottom: 15px;
    font-size: 14px;
}

.friendly-links {
    display: flex;
    flex-wrap: wrap;
    gap: 15px 25px;
}

.friendly-links a {
    font-size: 13px;
    color: #9cb1a2;
    transition: color 0.3s;
}

.friendly-links a:hover {
    color: #fff;
}

/* ===== Page Common ===== */
.page-wrapper {
    min-height: calc(100vh - 80px);
}

.page-header {
    height: 320px;
    background-size: cover;
    background-position: center;
    background-color: #1a2a3a;
    position: relative;
    display: flex;
    align-items: center;
    margin-top: 80px;
}

.page-header .container {
    position: relative;
    z-index: 2;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.breadcrumb {
    margin-bottom: 20px;
    font-size: 14px;
    color: rgba(255,255,255,0.8);
    display: flex;
    align-items: center;
    flex-wrap: wrap;
}

.breadcrumb a {
    color: rgba(255,255,255,0.8);
    text-decoration: none;
}

.breadcrumb a:hover {
    color: #fff;
}

.breadcrumb span.current {
    color: #fff;
}

.breadcrumb .separator {
    margin: 0 8px;
    font-size: 12px;
}

.page-header h1 {
    color: #fff;
    font-size: 36px;
    margin-bottom: 0;
    font-weight: 800;
}

.page-header h1.with-subtitle {
    margin-bottom: 15px;
}

.page-header .subtitle {
    color: rgba(255,255,255,0.9);
    font-size: 16px;
    max-width: 600px;
}

.hover-border-primary:hover {
    border-color: var(--primary) !important;
    color: var(--primary) !important;
}

.hover-primary:hover {
    color: var(--primary) !important;
}

/* ===== About Page: Timeline ===== */
.timeline-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.history-card {
    background: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 10px 30px -10px rgba(0,0,0,0.05);
    border: 1px solid rgba(0,0,0,0.04);
}

.history-card .year {
    font-size: 32px;
    color: var(--primary);
    margin-bottom: 10px;
    font-weight: 800;
}

.history-card h4 {
    font-size: 18px;
    margin-bottom: 10px;
    color: var(--text-dark);
}

.history-card p {
    color: var(--text-gray);
    font-size: 14px;
    line-height: 1.6;
}

.about-stats {
    display: flex;
    gap: 40px;
    margin-top: 30px;
}

.about-stats .stat-item {
    flex-direction: column;
    gap: 8px;
}

/* ===== Pagination ===== */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    margin-top: 50px;
}

.pagination-btn {
    padding: 8px 16px;
    border: 1px solid #ddd;
    border-radius: 8px;
    background: #fff;
    cursor: pointer;
    color: var(--text-gray);
    transition: all 0.2s;
    font-size: 14px;
}

.pagination-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.pagination-btn.num {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.pagination-btn.active {
    width: 36px;
    height: 36px;
    border: none;
    border-radius: 8px;
    background: var(--primary);
    color: #fff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
}

.pagination-ellipsis {
    color: var(--text-gray);
    margin: 0 5px;
}

/* ===== Pagination Item（系统默认分页样式） ===== */
.pagination-item {
    min-width: 36px;
    height: 36px;
    padding: 0 12px;
    border: 1px solid #ddd;
    border-radius: 8px;
    background: #fff;
    color: var(--text-gray);
    font-size: 14px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: all 0.2s ease;
}

.pagination-item:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.pagination-item.active {
    border: none;
    background: var(--primary);
    color: #fff;
    font-weight: bold;
    cursor: default;
}

.pagination-item.active:hover {
    color: #fff;
}

/* ===== Solutions Page ===== */
.solutions-intro {
    text-align: center;
    margin-bottom: 50px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.solutions-intro p {
    color: var(--text-gray);
    line-height: 1.6;
    margin-top: 20px;
}

.solutions-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    justify-content: center;
    margin-bottom: 40px;
}

.solutions-tab {
    padding: 12px 30px;
    border-radius: 30px;
    border: none;
    background: #fff;
    color: var(--text-dark);
    font-weight: 600;
    font-size: 16px;
    cursor: pointer;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
}

.solutions-tab.active {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 10px 20px -10px rgba(90, 156, 48, 0.4);
}

.solutions-content {
    background: #fff;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 20px 40px -20px rgba(0,0,0,0.1);
}

.solutions-content-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0;
}

.solutions-text-side {
    padding: 60px;
}

.solutions-text-side h3 {
    font-size: 32px;
    font-weight: bold;
    color: var(--text-dark);
    margin-bottom: 20px;
}

.solutions-text-side h3 a {
    color: inherit;
    text-decoration: none;
    transition: color 0.3s ease;
}

.solutions-text-side h3 a:hover {
    color: var(--primary);
}

.solutions-img-side a {
    display: block;
    width: 100%;
    height: 100%;
}

.solutions-img-side a img {
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.solutions-img-side a:hover img {
    transform: scale(1.05);
}

.solutions-text-side .desc {
    color: var(--text-gray);
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 30px;
}

.solutions-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 40px;
}

.solutions-feature-item {
    display: flex;
    align-items: center;
    gap: 10px;
}

.solutions-feature-icon {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: rgba(90, 156, 48, 0.1);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    flex-shrink: 0;
}

.solutions-feature-text {
    color: var(--text-dark);
    font-weight: 500;
}

.solutions-actions {
    display: flex;
    gap: 15px;
}

.solutions-img-side {
    height: 100%;
    min-height: 400px;
}

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

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

.solutions-tab-content.active {
    display: block;
}

/* ===== Solutions List (列表式) ===== */
.solutions-filter {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 30px;
}

.solutions-filter-btn {
    padding: 8px 20px;
    border-radius: 20px;
    border: 1px solid rgba(0,0,0,0.08);
    background: #fff;
    color: var(--text-gray);
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.solutions-filter-btn:hover,
.solutions-filter-btn.active {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

.solutions-list-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
}

.solution-list-card {
    background: #fff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 25px -8px rgba(0,0,0,0.06);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    border: 1px solid rgba(0,0,0,0.04);
    display: flex;
    gap: 0;
}

.solution-list-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px -10px rgba(0,0,0,0.1);
}

.solution-list-img {
    flex: 0 0 42%;
    min-height: 240px;
    overflow: hidden;
    background-color: var(--bg-light);
}

/* 奇数卡片（第1、3、5...张）：图片在右 */
.solutions-list-grid > .fade-up:nth-child(odd) .solution-list-card {
    flex-direction: row-reverse;
}

/* 偶数卡片（第2、4、6...张）：图片在左（默认方向） */
.solutions-list-grid > .fade-up:nth-child(even) .solution-list-card {
    flex-direction: row;
}

.solution-list-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.solution-list-card:hover .solution-list-img img {
    transform: scale(1.08);
}

.solution-list-body {
    flex: 1;
    padding: 30px 36px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.solution-list-category {
    display: inline-block;
    background: rgba(74, 130, 40, 0.1);
    color: var(--primary);
    font-size: 12px;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: 4px;
    margin-bottom: 10px;
}

.solution-list-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 10px;
    letter-spacing: -0.2px;
    line-height: 1.4;
}

.solution-list-title a {
    color: inherit;
    text-decoration: none;
    transition: color 0.3s ease;
}

.solution-list-card:hover .solution-list-title a {
    color: var(--primary);
}

.solution-list-desc {
    font-size: 14px;
    color: #777;
    line-height: 1.7;
    margin-bottom: 16px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.solution-list-features {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 18px;
}

.solution-list-feature-item {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 13px;
    color: #666;
    background: #f7f7f7;
    padding: 5px 12px;
    border-radius: 4px;
}

.solution-list-feature-item i {
    color: var(--primary);
    font-size: 11px;
}

.advantage-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.advantage-card {
    text-align: center;
    padding: 40px 20px;
    background: #f8f9fa;
    border-radius: 12px;
}

.advantage-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    background: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    box-shadow: 0 10px 20px rgba(0,0,0,0.05);
    font-size: 32px;
}

.advantage-card h4 {
    font-size: 20px;
    font-weight: bold;
    margin-bottom: 15px;
}

.advantage-card p {
    color: var(--text-gray);
    line-height: 1.6;
}

/* ===== News Page: Categories ===== */
.news-categories {
    display: flex;
    gap: 15px;
    justify-content: center;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.news-category-btn {
    padding: 8px 24px;
    border-radius: 30px;
    border: 1px solid #ddd;
    background: #fff;
    color: var(--text-gray);
    cursor: pointer;
    font-weight: normal;
    transition: all 0.3s;
    font-size: 14px;
}

.news-category-btn.active {
    border: 1px solid var(--primary);
    background: var(--primary);
    color: #fff;
    font-weight: 600;
}

/* ===== Search Page ===== */
.search-page-bar {
    background: #fff;
    border-radius: 16px;
    padding: 30px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    margin-bottom: 40px;
}

.search-page-form {
    display: flex;
    gap: 12px;
}

.search-page-input {
    flex: 1;
    height: 50px;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    padding: 0 20px;
    font-size: 15px;
    color: var(--text-dark);
    transition: border-color 0.3s ease;
}

.search-page-input:focus {
    outline: none;
    border-color: var(--primary);
}

.search-page-submit {
    height: 50px;
    padding: 0 30px;
    white-space: nowrap;
    font-size: 15px;
}

.search-page-grid {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 40px;
    align-items: start;
}

.search-scope-filter {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 30px;
}

.search-scope-btn {
    padding: 6px 16px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 13px;
    color: #666;
    text-decoration: none;
    transition: all 0.2s ease;
}

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

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

.search-results-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.search-result-card {
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 5px 25px -8px rgba(0,0,0,0.06);
    border: 1px solid rgba(0,0,0,0.04);
    display: flex;
    gap: 0;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.search-result-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 35px -10px rgba(0,0,0,0.1);
}

.search-result-thumb {
    flex: 0 0 200px;
    overflow: hidden;
    background-color: var(--bg-light);
}

.search-result-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.search-result-card:hover .search-result-thumb img {
    transform: scale(1.08);
}

.search-result-body {
    flex: 1;
    padding: 20px 24px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.search-result-title {
    font-size: 17px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 8px;
    line-height: 1.4;
}

.search-result-title a {
    color: inherit;
    text-decoration: none;
    transition: color 0.3s ease;
}

.search-result-card:hover .search-result-title a {
    color: var(--primary);
}

.search-result-desc {
    font-size: 14px;
    color: #777;
    line-height: 1.6;
    margin-bottom: 12px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.search-result-meta {
    display: flex;
    gap: 20px;
    font-size: 13px;
    color: #aaa;
}

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

.search-result-meta-item i {
    color: var(--primary);
}

.search-empty {
    text-align: center;
    padding: 60px 20px;
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 5px 25px -8px rgba(0,0,0,0.06);
}

.search-empty-icon {
    font-size: 60px;
    color: #ddd;
    margin-bottom: 20px;
}

.search-empty-text {
    font-size: 18px;
    color: var(--text-dark);
    margin-bottom: 10px;
}

.search-empty-text strong {
    color: var(--primary);
}

.search-empty-tip {
    font-size: 14px;
    color: #999;
}

.search-page-sidebar {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.sidebar-link-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sidebar-link-list li {
    padding: 8px 0;
    border-bottom: 1px solid #f0f0f0;
}

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

.sidebar-link-list li a {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #555;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s ease;
}

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

.sidebar-link-icon {
    color: #bbb;
    font-size: 12px;
    width: 16px;
    text-align: center;
}

.sidebar-link-sub {
    padding-left: 16px;
}

.sidebar-link-sub a {
    font-size: 13px;
    color: #888;
}

.sidebar-rank-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    background: #f0f0f0;
    color: #888;
    border-radius: 50%;
    font-size: 12px;
    font-weight: 600;
    flex-shrink: 0;
}

.sidebar-link-list li:nth-child(1) .sidebar-rank-num {
    background: var(--primary);
    color: #fff;
}

.sidebar-link-list li:nth-child(2) .sidebar-rank-num {
    background: rgba(74, 130, 40, 0.7);
    color: #fff;
}

.sidebar-link-list li:nth-child(3) .sidebar-rank-num {
    background: rgba(74, 130, 40, 0.4);
    color: #fff;
}

/* ===== News Detail Page ===== */
.news-detail-grid {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 40px;
}

.news-detail-article {
    background: #fff;
    padding: 50px;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
}

.news-detail-title {
    font-size: 32px;
    font-weight: bold;
    color: var(--text-dark);
    margin-bottom: 20px;
    line-height: 1.4;
}

.news-detail-meta {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 30px;
    color: var(--text-gray);
    font-size: 14px;
    border-bottom: 1px solid #eee;
    padding-bottom: 20px;
}

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

.news-detail-meta-item .fas {
    font-size: 16px;
}

.news-detail-share {
    display: flex;
    align-items: center;
    gap: 5px;
    margin-left: auto;
    cursor: pointer;
    color: var(--primary);
}

.news-content {
    color: var(--text-gray);
    line-height: 1.8;
    font-size: 16px;
}

.news-content p {
    margin-bottom: 20px;
}

.news-content img {
    width: 100%;
    border-radius: 8px;
    margin-bottom: 30px;
}

.news-content h3 {
    font-size: 20px;
    font-weight: bold;
    color: var(--text-dark);
    margin-bottom: 15px;
    margin-top: 30px;
}

.news-content table,
.product-detail-tab-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
    font-size: 14px;
}

.news-content table th,
.product-detail-tab-content table th {
    padding: 12px 15px;
    text-align: left;
    border: 1px solid #ddd;
    background: #f8f9fa;
    color: var(--text-dark);
    font-weight: 600;
}

.news-content table td,
.product-detail-tab-content table td {
    padding: 12px 15px;
    border: 1px solid #ddd;
    color: var(--text-gray);
}

.news-content table tr:first-child td,
.product-detail-tab-content table tr:first-child td {
    background: #f8f9fa;
    color: var(--text-dark);
    font-weight: 600;
}

.news-content table tr:hover td,
.product-detail-tab-content table tr:hover td {
    background: #f5f7f0;
}

.news-detail-sidebar {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.sidebar-card {
    background: #fff;
    padding: 30px;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
}

.sidebar-title {
    font-size: 18px;
    font-weight: bold;
    color: var(--text-dark);
    margin-bottom: 20px;
    border-bottom: 2px solid var(--primary);
    padding-bottom: 10px;
    display: inline-block;
}

.sidebar-desc {
    color: var(--text-gray);
    font-size: 14px;
    margin-bottom: 15px;
}

.sidebar-related-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.sidebar-related-item {
    border-bottom: 1px solid #eee;
    padding-bottom: 15px;
}

.sidebar-related-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.sidebar-related-date {
    color: var(--primary);
    font-size: 13px;
    display: block;
    margin-bottom: 5px;
}

.sidebar-related-title {
    color: var(--text-dark);
    font-size: 15px;
    line-height: 1.4;
    display: block;
}

.sidebar-contact-info {
    display: flex;
    flex-direction: column;
    gap: 10px;
    font-size: 14px;
    color: var(--text-dark);
}

.sidebar-btn {
    width: 100%;
    margin-top: 20px;
    padding: 10px;
    text-align: center;
}

/* ===== Contact Page ===== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: flex-start;
}

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

.contact-form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.contact-form input,
.contact-form textarea {
    padding: 15px;
    border-radius: 4px;
    border: 1px solid #ddd;
    width: 100%;
    font-size: 15px;
    font-family: var(--font-sans);
    outline: none;
    transition: border-color 0.3s;
}

.contact-form input:focus,
.contact-form textarea:focus {
    border-color: var(--primary);
}

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

.contact-info-list {
    display: flex;
    flex-direction: column;
    gap: 30px;
    margin-top: 30px;
}

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

.contact-info-icon {
    width: 50px;
    height: 50px;
    background: rgba(74, 130, 40, 0.1);
    color: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 24px;
}

.contact-info-item h4 {
    font-size: 18px;
    font-weight: bold;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.contact-info-item p {
    color: var(--text-gray);
    line-height: 1.6;
}

/* ===== Product Detail Page ===== */
.product-detail-grid {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 40px;
}

.product-detail-main {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.product-detail-card {
    background: #fff;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 0;
}

.product-detail-img-side {
    padding: 40px;
    background: #f8f9fa;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.product-detail-img-side img {
    width: 100%;
    max-width: 400px;
    border-radius: 12px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

.product-detail-cert-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-top: 40px;
    width: 100%;
}

.product-detail-cert-item {
    background: #fff;
    padding: 15px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.product-detail-cert-item .fas {
    color: var(--primary);
    font-size: 20px;
}

.product-detail-cert-text {
    font-size: 14px;
    color: var(--text-dark);
    font-weight: 500;
}

.product-detail-info-side {
    padding: 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.product-detail-info-side h2 {
    font-size: 32px;
    font-weight: bold;
    color: var(--text-dark);
    margin-bottom: 10px;
}

.product-detail-info-side .subtitle {
    font-size: 16px;
    color: var(--text-gray);
    margin-bottom: 30px;
}

.product-detail-spec-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-bottom: 30px;
}

.product-detail-spec-item {
    display: flex;
    gap: 10px;
}

.product-detail-spec-label {
    color: var(--text-gray);
    width: 80px;
    flex-shrink: 0;
}

.product-detail-spec-value {
    color: var(--text-dark);
    font-weight: 500;
}

.product-detail-content {
    background: #fff;
    border-radius: 16px;
    padding: 40px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
}

.product-detail-tabs {
    display: flex;
    gap: 20px;
    border-bottom: 1px solid #eee;
    margin-bottom: 30px;
}

.product-detail-tab {
    padding: 10px 0;
    border: none;
    background: none;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-gray);
    border-bottom: 2px solid transparent;
    cursor: pointer;
    transition: all 0.3s;
}

.product-detail-tab.active {
    color: var(--primary);
    border-bottom: 2px solid var(--primary);
}

.product-detail-tab-content {
    display: none;
}

.product-detail-tab-content.active {
    display: block;
}

.product-detail-tab-content h3 {
    font-size: 24px;
    font-weight: bold;
    margin-bottom: 20px;
    color: var(--text-dark);
}

.product-detail-tab-content > p {
    color: var(--text-gray);
    line-height: 1.8;
    margin-bottom: 20px;
}

.product-detail-tab-content h4 {
    font-size: 18px;
    font-weight: bold;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.product-detail-features {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 40px;
    list-style: none;
}

.product-detail-feature-item {
    display: flex;
    align-items: center;
    gap: 10px;
}

.product-detail-feature-item .fas {
    color: var(--primary);
    font-size: 16px;
}

.product-detail-feature-item span {
    color: var(--text-dark);
}

.product-detail-actions {
    display: flex;
    gap: 15px;
}

.product-detail-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 30px;
}

.product-detail-table th {
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid #ddd;
    color: var(--text-dark);
    font-weight: 600;
    background: #f8f9fa;
}

.product-detail-table td {
    padding: 15px;
    border-bottom: 1px solid #eee;
}

.product-detail-table td:first-child {
    color: var(--text-gray);
}

.product-detail-table td:nth-child(2) {
    color: var(--text-dark);
    font-weight: 500;
}

.product-detail-table td:nth-child(3) {
    color: var(--text-gray);
}

.product-detail-msds {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 8px;
    display: flex;
    align-items: flex-start;
    gap: 15px;
}

.product-detail-msds .fas {
    color: var(--primary);
    font-size: 24px;
    flex-shrink: 0;
    margin-top: 2px;
}

.product-detail-msds h5 {
    font-size: 16px;
    font-weight: bold;
    margin-bottom: 5px;
    color: var(--text-dark);
}

.product-detail-msds p {
    color: var(--text-gray);
    font-size: 14px;
    margin-bottom: 10px;
}

.product-detail-msds .link-more {
    border: none;
    background: none;
    padding: 0;
    cursor: pointer;
}

.product-detail-app-guide {
    display: grid;
    gap: 20px;
    margin-bottom: 30px;
}

.product-detail-app-item {
    padding: 20px;
    border: 1px solid #eee;
    border-radius: 8px;
}

.product-detail-app-item h4 {
    font-size: 16px;
    font-weight: bold;
    color: var(--text-dark);
    margin-bottom: 10px;
}

.product-detail-app-item p {
    color: var(--text-gray);
    font-size: 15px;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .apps-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    .news-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .footer-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    .news-detail-grid,
    .product-detail-grid,
    .search-page-grid {
        grid-template-columns: 1fr;
    }
    .solutions-content-grid {
        grid-template-columns: 1fr;
    }
    .solutions-img-side {
        min-height: 300px;
    }
    .contact-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav {
        display: none;
    }
    .menu-toggle {
        display: block;
    }
    .header-actions {
        gap: 12px;
    }
    .header-actions .desktop-only {
        display: none;
    }

    .logo {
        font-size: 20px;
        gap: 8px;
    }
    .logo-img {
        height: 32px;
    }
    .lang-dropdown .lang-menu {
        right: -30px;
    }

.search-modal-content {
        padding: 30px 20px;
    }
    .search-close {
        top: -40px;
        right: 0;
    }

    .hero-slide::before {
        width: 100%;
    }

    .hero-content {
        padding-top: 150px;
        text-align: center;
    }

    .hero-title {
        font-size: 40px;
    }
    .hero-subtitle {
        font-size: 16px;
    }
    .about-wrap {
        flex-direction: column;
        gap: 40px;
    }
    .apps-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .news-grid {
        grid-template-columns: 1fr;
    }
    .stats-grid {
        flex-wrap: wrap;
        gap: 30px;
    }

    .faq-grid {
        grid-template-columns: 1fr;
    }
    .stat-item {
        width: 45%;
    }
    .cta-container {
        flex-direction: column;
        text-align: center;
        gap: 25px;
    }
    .footer-grid {
        grid-template-columns: 1fr;
    }
    .footer-bottom {
        flex-direction: column;
        gap: 15px;
        align-items: center;
    }

    .mobile-menu {
        display: block;
        position: fixed;
        top: 80px;
        left: 0;
        width: 100%;
        height: calc(100vh - 80px);
        background: #fff;
        padding: 20px;
        box-shadow: 0 10px 20px rgba(0,0,0,0.1);
        z-index: 999;
        overflow-y: auto;
        transform: translateX(100%);
        transition: transform 0.3s ease-in-out;
    }
    .mobile-menu.open {
        transform: translateX(0);
    }

    .faq-answer.expanded {
        max-height: 300px;
    }

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

    .product-detail-card {
        grid-template-columns: 1fr;
    }

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

    .news-content table,
    .product-detail-tab-content table {
        display: block;
        max-width: 100%;
        overflow-x: auto;
        white-space: nowrap;
    }

    .contact-form-row {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 400px) {
    .logo span {
        display: none;
    }
}

@media (max-width: 480px) {
    .products-grid, .apps-grid {
        grid-template-columns: 1fr;
    }
    .stat-item {
        width: 100%;
    }
    .hero-btns {
        flex-direction: column;
    }
    .products-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 20px;
    }
    .section-title {
        font-size: 32px;
    }

    .solutions-list-grid {
        grid-template-columns: 1fr;
    }

    .solutions-list-grid > .fade-up:nth-child(odd) .solution-list-card,
    .solutions-list-grid > .fade-up:nth-child(even) .solution-list-card {
        flex-direction: column;
    }

    .solution-list-img {
        width: 100%;
        flex: none;
        height: 200px;
        min-height: auto;
    }

    .solutions-filter {
        justify-content: center;
    }

    .search-result-card {
        flex-direction: column;
    }

    .search-result-thumb {
        flex: none;
        width: 100%;
        height: 180px;
    }

    .search-page-form {
        flex-direction: column;
    }

    .search-page-submit {
        width: 100%;
    }
}

/* ===== 404 Error Page ===== */
.error404-page {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #0a0e1a;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.error404-grid-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(rgba(74, 130, 40, 0.08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(74, 130, 40, 0.08) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: gridMove 20s linear infinite;
    z-index: 1;
}

@keyframes gridMove {
    0% { transform: translate(0, 0); }
    100% { transform: translate(50px, 50px); }
}

.error404-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
    pointer-events: none;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--primary);
    border-radius: 50%;
    opacity: 0;
    animation: particleFloat 15s linear infinite;
}

.particle:nth-child(1) { left: 10%; animation-delay: 0s; animation-duration: 12s; }
.particle:nth-child(2) { left: 20%; animation-delay: 2s; animation-duration: 18s; width: 6px; height: 6px; }
.particle:nth-child(3) { left: 30%; animation-delay: 4s; animation-duration: 14s; }
.particle:nth-child(4) { left: 40%; animation-delay: 1s; animation-duration: 20s; width: 3px; height: 3px; }
.particle:nth-child(5) { left: 50%; animation-delay: 3s; animation-duration: 16s; }
.particle:nth-child(6) { left: 60%; animation-delay: 5s; animation-duration: 13s; width: 5px; height: 5px; }
.particle:nth-child(7) { left: 70%; animation-delay: 2s; animation-duration: 19s; }
.particle:nth-child(8) { left: 80%; animation-delay: 6s; animation-duration: 15s; width: 3px; height: 3px; }
.particle:nth-child(9) { left: 90%; animation-delay: 0s; animation-duration: 17s; }
.particle:nth-child(10) { left: 15%; animation-delay: 7s; animation-duration: 14s; width: 6px; height: 6px; }
.particle:nth-child(11) { left: 25%; animation-delay: 3s; animation-duration: 21s; }
.particle:nth-child(12) { left: 45%; animation-delay: 8s; animation-duration: 13s; width: 4px; height: 4px; }
.particle:nth-child(13) { left: 55%; animation-delay: 1s; animation-duration: 18s; }
.particle:nth-child(14) { left: 75%; animation-delay: 5s; animation-duration: 16s; width: 5px; height: 5px; }
.particle:nth-child(15) { left: 85%; animation-delay: 9s; animation-duration: 12s; }

@keyframes particleFloat {
    0% {
        bottom: -10px;
        opacity: 0;
        transform: translateX(0) scale(0);
    }
    10% {
        opacity: 0.8;
        transform: translateX(10px) scale(1);
    }
    90% {
        opacity: 0.6;
    }
    100% {
        bottom: 110%;
        opacity: 0;
        transform: translateX(-20px) scale(0.5);
    }
}

.error404-content {
    position: relative;
    z-index: 10;
    text-align: center;
    padding: 20px;
    max-width: 600px;
}

.error404-logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 40px;
    text-decoration: none;
    color: #fff;
    font-size: 22px;
    font-weight: 800;
    letter-spacing: 0.5px;
}

.error404-logo .logo-img {
    height: 36px;
}

.error404-number {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: 30px;
}

.error404-digit {
    font-size: 140px;
    font-weight: 900;
    color: #fff;
    line-height: 1;
    position: relative;
    text-shadow:
        2px 0 var(--primary),
        -2px 0 #ff00aa;
    animation: glitch 3s infinite;
}

.error404-digit-zero {
    animation: glitchZero 3s infinite;
}

@keyframes glitch {
    0%, 92%, 100% {
        transform: translate(0, 0);
        text-shadow:
            2px 0 var(--primary),
            -2px 0 #ff00aa;
    }
    93% {
        transform: translate(-3px, 2px);
        text-shadow:
            4px 0 var(--primary),
            -4px 0 #ff00aa;
    }
    94% {
        transform: translate(3px, -2px);
        text-shadow:
            -2px 0 var(--primary),
            2px 0 #ff00aa;
    }
    95% {
        transform: translate(-2px, 1px);
        text-shadow:
            3px 0 var(--primary),
            -3px 0 #ff00aa;
    }
    96% {
        transform: translate(2px, -1px);
        text-shadow:
            -3px 0 var(--primary),
            3px 0 #ff00aa;
    }
}

@keyframes glitchZero {
    0%, 90%, 100% {
        transform: scale(1) rotate(0deg);
        color: #fff;
    }
    91% {
        transform: scale(1.1) rotate(-2deg);
        color: var(--primary);
    }
    93% {
        transform: scale(0.95) rotate(1deg);
        color: #ff00aa;
    }
    95% {
        transform: scale(1.05) rotate(-1deg);
        color: var(--primary);
    }
}

.error404-title {
    font-size: 32px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 16px;
    animation: fadeSlideUp 0.8s ease-out 0.3s both;
}

.error404-desc {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.8;
    margin-bottom: 36px;
    animation: fadeSlideUp 0.8s ease-out 0.5s both;
}

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

.error404-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-bottom: 40px;
    animation: fadeSlideUp 0.8s ease-out 0.7s both;
}

.error404-btn {
    height: 48px;
    padding: 0 28px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 15px;
    font-weight: 600;
    border-radius: 10px;
    transition: all 0.3s ease;
    text-decoration: none;
}

.btn-outline {
    border: 2px solid rgba(255, 255, 255, 0.3);
    color: #fff;
    background: transparent;
}

.btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: rgba(74, 130, 40, 0.1);
}

.error404-btn.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(74, 130, 40, 0.4);
}

.error404-quick-nav {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 8px 16px;
    animation: fadeSlideUp 0.8s ease-out 0.9s both;
}

.error404-quick-label {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.4);
}

.error404-quick-nav a {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.3s ease;
}

.error404-quick-nav a:hover {
    color: var(--primary);
}

/* 404 响应式适配 */
@media (max-width: 768px) {
    .error404-digit {
        font-size: 90px;
    }

    .error404-title {
        font-size: 24px;
    }

    .error404-desc {
        font-size: 14px;
    }

    .error404-actions {
        flex-direction: column;
    }

    .error404-btn {
        width: 100%;
        justify-content: center;
    }
}