/*
Theme Name: My Custom Theme
Theme URI: https://example.com/
Author: Your Name
Author URI: https://example.com/
Description: 完全自定义开发的 WordPress 主题，不依赖任何第三方主题框架
Version: 1.0.0
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: my-custom-theme
Tags: custom-development, clean, minimal
*/

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root {
    --primary-color: #d32f2f;
    --primary-dark: #b71c1c;
    --primary-light: #e57373;
    --text-color: #333;
    --text-gray: #666;
    --text-light: #999;
    --bg-color: #ffffff;
    --bg-gray: #f5f5f5;
    --border-color: #eee;
    --header-height: 80px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
ul, li {
    list-style: none;
}
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
    letter-spacing: -0.01em;
    padding-top: 116px; /* 36px topbar + 80px header */
}

.container {
    max-width: 1700px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header Top Bar */
.header-topbar {
    background: #1a1a1a;
    color: #aaa;
    font-size: 13px;
    height: 36px;
    display: flex;
    align-items: center;
}

.topbar-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.topbar-left {
    display: flex;
    align-items: center;
    gap: 20px;
}

.topbar-left span {
    display: flex;
    align-items: center;
    gap: 6px;
}

.topbar-left i {
    color: var(--primary-color);
    font-size: 12px;
}

.topbar-right {
    display: flex;
    align-items: center;
}

.topbar-lang {
    display: flex;
    align-items: center;
    gap: 6px;
}

.topbar-lang .lang-link {
    color: #aaa;
    text-decoration: none;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    transition: color 0.3s ease;
}

.topbar-lang .lang-link:hover,
.topbar-lang .lang-link.active {
    color: #fff;
}

.topbar-lang .lang-divider {
    color: #555;
    font-size: 12px;
}

/* Site Header */
.site-header {
    background: #ffffff;
    border-bottom: 1px solid var(--border-color);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 999;
    transition: all 0.3s ease;
}

.site-header.scrolled {
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
}

.header-container {
    max-width: 100%;
    margin: 0 auto;
    padding: 0 60px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
}

.header-left {
    flex: 1;
}

.site-branding {
    display: flex;
    align-items: center;
}

.site-branding .custom-logo-link {
    display: flex;
    align-items: center;
}

.site-branding .custom-logo {
    height: 50px;
    width: auto;
    max-width: 200px;
}

.site-title {
    font-size: 24px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.site-title a {
    text-decoration: none;
    color: var(--text-color);
}

.main-navigation {
    flex: 3;
    /* display: flex; */
    justify-content: center;
    position: relative;
}

.main-navigation .menu {
    list-style: none;
    display: flex;
    gap: 35px;
    align-items: center;
    margin: 0;
    padding: 0;
}



.main-navigation .menu-item a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 900;
    font-size: 15px;
    padding: 28px 0;
    display: flex;
    align-items: center;
    gap: 5px;
    transition: color 0.3s ease;
    outline: none;
}

.main-navigation .menu-item a:hover {
    color: var(--primary-color);
}

.main-navigation .menu-item.current-menu-item a,
.main-navigation .menu-item.current-menu-ancestor a {
    color: var(--primary-color);
}

.main-navigation .menu-item-has-children > a::after {
    content: '\f078';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    font-size: 12px;
    color: var(--text-gray);
    display: inline-block;
    transition: transform 0.3s ease;
    margin-left: 5px;
}

.main-navigation .menu-item-has-children:hover > a::after {
    transform: rotate(180deg);
    color: var(--primary-color);
}

/* Mega Menu - 一级下拉菜单 */
nav.main-navigation ul.menu > li.menu-item-has-children {
    position: static;
}

nav.main-navigation ul.menu > li.menu-item-has-children > ul.sub-menu {
    position: fixed !important;
    top: 116px;
    left: 50%;
    transform: translateX(-50%);
    background: #ffffff;
    width: 1400px;
    max-width: 95vw;
    min-height: 400px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
    border-radius: 0 0 4px 4px;
    padding: 0;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1000;
    border: none;
    border-top: 2px solid var(--primary-color);
    display: none !important;
    box-sizing: border-box;
}

nav.main-navigation ul.menu > li.menu-item-has-children:hover > ul.sub-menu {
    opacity: 1;
    visibility: visible;
    display: flex !important;
}

.site-header .main-navigation .sub-menu .sub-menu {
    display: block !important;
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none !important;
    box-shadow: none;
    border: none;
    padding: 0;
    margin: 0;
    width: 100%;
    max-width: none !important;
    min-width: auto !important;
}

.site-header .main-navigation .sub-menu .sidebar-panel {
    width: 300px;
    background: #000000;
    padding: 60px 30px 30px 30px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    text-align: center;
    flex-shrink: 0;
}

.site-header .main-navigation .sub-menu .sidebar-panel .sidebar-title {
    color: #ffffff;
    font-size: 24px;
    font-weight: 700;
    margin: 0 0 15px 0;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.site-header .main-navigation .sub-menu .sidebar-panel .sidebar-subtitle {
    color: #cccccc;
    font-size: 14px;
    margin: 0 0 25px 0;
    line-height: 1.6;
}

.site-header .main-navigation .sub-menu .sidebar-panel .sidebar-link {
    display: inline-block;
    background: var(--primary-color);
    color: #ffffff;
    text-decoration: none;
    padding: 12px 30px;
    font-size: 14px;
    font-weight: 600;
    border-radius: 4px;
    transition: all 0.3s ease;
    align-self: center;
}

.site-header .main-navigation .sub-menu .sidebar-panel .sidebar-link:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

.site-header .main-navigation .sub-menu .menu-content {
    flex: 1;
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-start;
    padding: 30px 40px;
    gap: 20px;
}

.site-header .main-navigation .sub-menu > .menu-item {
    flex: 1 1 250px;
    min-width: 220px;
    max-width: 300px;
    padding: 0;
    margin-bottom: 20px;
}

.site-header .main-navigation .sub-menu > .menu-item > a {
    padding: 0 0 15px 0;
    font-weight: 700;
    font-size: 16px;
    color: var(--text-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 15px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.site-header .main-navigation .sub-menu > .menu-item.menu-item-has-children > a::after {
    content: '\f078';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    font-size: 12px;
    color: var(--text-gray);
    transition: transform 0.3s ease;
}

.site-header .main-navigation .sub-menu > .menu-item > a:hover {
    color: var(--primary-color);
    background: none;
}

.site-header .main-navigation .sub-menu > .menu-item > a:hover::after {
    color: var(--primary-color);
}

.site-header .main-navigation .sub-menu > .menu-item .sub-menu .menu-item > a::after {
    display: none;
}

.site-header .main-navigation .sub-menu > .menu-item .sub-menu {
    position: static;
    display: block !important;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: none;
    padding: 0;
    margin: 0;
    width: 100%;
    max-width: none !important;
    min-width: auto !important;
}

.site-header .main-navigation .sub-menu > .menu-item .sub-menu .menu-item {
    width: 100%;
    padding: 0;
    margin: 0;
    list-style: none;
}

.site-header .main-navigation .sub-menu > .menu-item .sub-menu .menu-item a {
    padding: 10px 0;
    font-weight: 400;
    font-size: 14px;
    color: var(--text-gray);
    display: block;
    white-space: nowrap;
    line-height: 1.6;
}

.site-header .main-navigation .sub-menu > .menu-item .sub-menu .menu-item a:hover {
    background: none;
    color: var(--primary-color);
}

.site-header .main-navigation .sub-menu > .menu-item > ul.sub-menu {
    margin-top: 10px;
}

.site-header .main-navigation .sub-menu .dropdown-footer {
    width: 100%;
    padding-top: 20px;
    margin-top: 10px;
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.site-header .main-navigation .sub-menu .dropdown-footer a {
    color: var(--primary-color);
    font-weight: 500;
    font-size: 14px;
    text-decoration: none;
}

.site-header .main-navigation .sub-menu .dropdown-footer a:hover {
    text-decoration: underline;
}

.header-right {
    flex: 1;
    display: flex;
    justify-content: flex-end;
}

.cta-button {
    background: var(--primary-color);
    color: #fff;
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    padding: 12px 25px;
    border-radius: 4px;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 2px 8px rgba(211, 47, 47, 0.3);
}

.cta-button:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(211, 47, 47, 0.4);
}

.cta-button::after {
    content: '';
    width: 16px;
    height: 16px;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23fff' stroke-width='2'%3E%3Cpath d='M21 15v4a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2v-4'/%3E%3Cpolyline points='17 8 12 3 7 8'/%3E%3Cline x1='12' y1='3' x2='12' y2='15'/%3E%3C/svg%3E") no-repeat center;
    background-size: contain;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
    z-index: 1001;
}

.menu-toggle-icon {
    display: block;
    width: 25px;
    height: 3px;
    background: var(--text-color);
    margin: 5px 0;
    transition: all 0.3s ease;
    border-radius: 2px;
}

.menu-toggle.active .menu-toggle-icon:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
}

.menu-toggle.active .menu-toggle-icon:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active .menu-toggle-icon:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
}

/* (dropdown-wrapper removed - 不再使用) */

/* Language Switcher - moved to topbar */
/* (移至顶部栏) */

.site-main {
    min-height: calc(100vh - var(--header-height) - 100px);
}

article {
    margin-bottom: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid var(--border-color);
}

.entry-title {
    font-size: 28px;
    margin-bottom: 10px;
    color: var(--text-color);
}

.entry-title a {
    text-decoration: none;
    color: var(--text-color);
}

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

.entry-meta {
    color: var(--text-light);
    font-size: 14px;
    margin-bottom: 20px;
}

.entry-content {
    line-height: 1.8;
}

.widget-area {
    padding: 20px;
    background: var(--bg-gray);
    border-radius: 5px;
}

.widget {
    margin-bottom: 30px;
}

.widget-title {
    font-size: 18px;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--primary-color);
    color: var(--text-color);
}

.site-footer {
    background: #f5f5f5;
    color: #333;
}

.footer-main {
    padding: 60px 0;
}

.footer-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 50px;
    padding-bottom: 30px;
    border-bottom: 1px solid #e0e0e0;
}

.footer-logo {
    width: 150px;
}

.footer-logo img {
    max-width: 100%;
    height: auto;
}

.footer-brand {
    font-size: 24px;
    font-weight: 700;
    color: #333;
}

.footer-social {
    display: flex;
    gap: 12px;
}

.social-link {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: #fff;
    border: 1px solid #ddd;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #666;
    font-size: 16px;
    transition: all 0.3s ease;
}

.social-link:hover {
    background: #d32f2f;
    color: #fff;
    border-color: #d32f2f;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    margin-bottom: 50px;
}

.footer-column-title {
    font-size: 14px;
    font-weight: 600;
    color: #333;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

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

.footer-menu li {
    margin-bottom: 12px;
}

.footer-menu a {
    color: #666;
    font-size: 14px;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-menu a:hover {
    color: #d32f2f;
}

.footer-contact {
    display: grid;
    grid-template-columns: 2fr 1fr 2fr;
    gap: 40px;
    padding-top: 30px;
    border-top: 1px solid #e0e0e0;
}

.footer-contact-left {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: #666;
}

.contact-item i {
    color: #d32f2f;
    font-size: 16px;
}

.contact-item a {
    color: #333;
    text-decoration: none;
}

.contact-item a:hover {
    color: #d32f2f;
}

.footer-certifications {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

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

.cert-logo {
    width: 50px;
    height: 50px;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
}

.cert-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.cert-title {
    font-size: 11px;
    font-weight: 600;
    color: #333;
}

.footer-offices {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.office-item {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.office-title {
    font-size: 12px;
    font-weight: 600;
    color: #d32f2f;
}

.office-address {
    font-size: 12px;
    color: #666;
    line-height: 1.6;
}

.footer-bottom {
    background: #d32f2f;
    padding: 15px 0;
}

.footer-bottom-content {
    display: flex;
    align-items: center;
    gap: 15px;
    flex-wrap: wrap;
}

.footer-bottom-content span {
    font-size: 13px;
    color: rgba(255,255,255,0.9);
}

.footer-bottom-content a {
    color: rgba(255,255,255,0.9);
    text-decoration: none;
}

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

.footer-divider {
    color: rgba(255,255,255,0.5);
}

@media (max-width: 1024px) {
    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-contact {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

@media (max-width: 768px) {
    .footer-header {
        flex-direction: column;
        gap: 20px;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
}

.read-more {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: opacity 0.3s ease;
}

.read-more:hover {
    opacity: 0.8;
}

@media (max-width: 1024px) {
    .main-navigation {
        position: fixed;
        top: 0;
        right: -100%;
        width: 85%;
        max-width: 320px;
        height: 100vh;
        background: var(--bg-color);
        padding: 0;
        margin: 0;
        box-shadow: -4px 0 20px rgba(0, 0, 0, 0.15);
        z-index: 1002;
        overflow-y: auto;
        overflow-x: hidden;
        transition: right 0.35s ease;
        box-sizing: border-box;
    }

    .main-navigation.active {
        right: 0;
    }

    .main-navigation .menu {
        flex-direction: column;
        gap: 0;
        padding: 0;
        margin: 0;
        width: 100%;
        box-sizing: border-box;
    }

    .main-navigation .menu-item {
        width: 100%;
        position: relative;
        flex: none;
        min-width: auto;
    }

    .main-navigation .menu-item a {
        padding: 16px 20px;
        border-bottom: 1px solid var(--border-color);
        font-weight: 600;
        font-size: 16px;
        color: var(--text-color);
        display: flex;
        align-items: center;
        justify-content: space-between;
        transition: background 0.2s ease;
        width: 100%;
        box-sizing: border-box;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .main-navigation .menu-item a:hover {
        background: var(--bg-gray);
    }

    .main-navigation .menu-item:last-child a {
        border-bottom: none;
    }

    .main-navigation .menu-item-has-children > a::after {
        content: '\f078';
        font-family: 'Font Awesome 6 Free';
        font-weight: 900;
        font-size: 14px;
        color: var(--text-gray);
        display: inline-block;
        transform: rotate(0deg);
        transition: transform 0.3s ease;
        margin-left: 10px;
        flex-shrink: 0;
    }

    .main-navigation .menu-item-has-children.active > a::after {
        transform: rotate(180deg);
    }

    .main-navigation .sub-menu,
    .site-header .main-navigation .sub-menu {
        position: static !important;
        opacity: 0;
        visibility: hidden;
        max-height: 0;
        transform: none !important;
        box-shadow: none;
        border: none;
        padding: 0;
        margin: 0;
        background: var(--bg-gray);
        border-radius: 0;
        overflow: hidden;
        transition: all 0.3s ease;
        width: 100% !important;
        min-width: auto !important;
        max-width: none !important;
        display: block !important;
        top: auto !important;
        left: auto !important;
    }

    .main-navigation .sub-menu.active,
    .site-header .main-navigation .sub-menu.active {
        opacity: 1;
        visibility: visible;
        max-height: 1000px;
    }

    .main-navigation .sub-menu > .menu-item,
    .site-header .main-navigation .sub-menu > .menu-item {
        padding: 0;
        margin: 0;
        min-width: auto;
        flex: none;
        width: 100%;
    }

    .main-navigation .sub-menu > .menu-item > a,
    .site-header .main-navigation .sub-menu > .menu-item > a {
        padding: 12px 20px 12px 40px;
        font-weight: 500;
        font-size: 15px;
        color: var(--text-gray);
        border-bottom: 1px solid rgba(0,0,0,0.05);
        margin: 0;
        text-transform: none;
        letter-spacing: normal;
        width: 100%;
        box-sizing: border-box;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .main-navigation .sub-menu > .menu-item .sub-menu,
    .site-header .main-navigation .sub-menu > .menu-item .sub-menu {
        background: #f0f0f0;
        width: 100% !important;
    }

    .main-navigation .sub-menu > .menu-item .sub-menu .menu-item,
    .site-header .main-navigation .sub-menu > .menu-item .sub-menu .menu-item {
        width: 100%;
        padding: 0;
        margin: 0;
    }

    .main-navigation .sub-menu > .menu-item .sub-menu .menu-item a,
    .site-header .main-navigation .sub-menu > .menu-item .sub-menu .menu-item a {
        padding: 10px 20px 10px 60px;
        font-weight: 400;
        font-size: 14px;
        color: var(--text-gray);
        border-bottom: 1px solid rgba(0,0,0,0.05);
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        width: 100%;
        box-sizing: border-box;
    }

    .main-navigation .sub-menu .sidebar-panel,
    .site-header .main-navigation .sub-menu .sidebar-panel {
        display: none;
    }

    .main-navigation .sub-menu .menu-content,
    .site-header .main-navigation .sub-menu .menu-content {
        padding: 0;
        display: block;
        width: 100%;
    }

    .main-navigation .sub-menu .dropdown-footer,
    .site-header .main-navigation .sub-menu .dropdown-footer {
        display: none;
    }

    .header-right {
        display: none;
    }

    .menu-toggle {
        display: block;
    }

    .mobile-menu-overlay {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.5);
        z-index: 1001;
        opacity: 0;
        visibility: hidden;
        transition: all 0.35s ease;
    }

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

    body.menu-open {
        overflow: hidden;
    }
}

@media (max-width: 768px) {
    .header-topbar {
        display: none;
    }

    body {
        padding-top: 80px;
    }

    .header-container {
        padding: 0 20px;
    }

    .site-branding .custom-logo {
        height: 40px;
    }

    .cta-button {
        font-size: 13px;
        padding: 10px 20px;
    }

    .topbar-lang {
        display: none;
    }
}

/* ========================================
   首页样式 (Front-page Styles)
   ======================================== */

/* Hero Banner */
.hero-banner {
    position: relative;
    overflow: hidden;
    min-height: 600px;
    display: flex;
    align-items: center;
}

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

.hero-swiper .hero-slide {
    background-position: center center;
    background-size: cover;
    background-repeat: no-repeat;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.35);
    z-index: 1;
}

.hero-pagination {
    bottom: 30px !important;
}

.hero-pagination .swiper-pagination-bullet {
    width: 12px;
    height: 12px;
    background: rgba(255, 255, 255, 0.5);
    opacity: 1;
}

.hero-pagination .swiper-pagination-bullet-active {
    background: #fff;
    width: 30px;
    border-radius: 6px;
}

.hero-container {
    max-width: 60%;
    width: 100%;
    /* margin: 0 auto; */
    /* padding: 140px 30px 120px; */
    position: relative;
    z-index: 2;
    left: 5%;
}

.hero-content {
    max-width: 900px;
    text-align: left;
}

.hero-title {
    font-family: 'Inter', sans-serif;
    font-size: 56px;
    font-weight: 700;
    color: #1a1a1a;
    line-height: 1.15;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-family: 'Inter', sans-serif;
    font-size: 20px;
    font-weight: 400;
    color: #666;
    line-height: 1.6;
    margin-bottom: 35px;
    letter-spacing: -0.005em;
}

.hero-features {
    list-style: none;
    padding: 0;
    margin: 0 0 40px 0;
}

.hero-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: 'Inter', sans-serif;
    font-size: 16px;
    font-weight: 500;
    color: #333;
    margin-bottom: 14px;
    line-height: 1.5;
    letter-spacing: -0.005em;
}

.hero-check {
    color: #22c55e;
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.hero-features li span {
    font-weight: 400;
}

.hero-btn {
    font-family: 'Inter', sans-serif;
    font-size: 18px;
    font-weight: 600;
    letter-spacing: -0.01em;
    padding: 16px 40px;
    background: var(--primary-color);
    color: #fff;
    border-radius: 4px;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(211, 47, 47, 0.4);
}

.hero-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(211, 47, 47, 0.5);
}

.hero-note {
    font-size: 14px;
    color: #888;
    margin-top: 16px;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 32px;
    font-size: 16px;
    font-weight: 600;
    text-align: center;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
}

.btn-primary {
    background: var(--primary-color);
    color: #fff;
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(211, 47, 47, 0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-secondary:hover {
    background: var(--primary-color);
    color: #fff;
}

.btn-large {
    padding: 16px 48px;
    font-size: 18px;
}

.btn-block {
    display: block;
    width: 100%;
}

/* Container */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
}

/* Section Header */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 36px;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 15px;
}

.section-subtitle {
    font-size: 18px;
    color: var(--text-gray);
    max-width: 100%;
    margin: 0 auto;
}

/* Services Section - Background Image Cards */
.services-section {
    padding: 100px 0;
    background: #fff;
}

.services-intro {
    text-align: center;
    font-size: 17px;
    color: var(--text-gray);
    line-height: 1.8;
    max-width: 900px;
    margin: -30px auto 50px;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.service-card {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    transition: all 0.4s ease;
}

.service-card:hover {
    box-shadow: 0 8px 30px rgba(0,0,0,0.15);
}

.service-image {
    width: 100%;
    height: 280px;
    overflow: hidden;
}

.service-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

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

.service-info {
    padding: 20px;
    background: #fff;
}

.service-info .service-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--primary-color);
    text-align: center;
    margin: 0;
}

.service-hover {
    position: absolute;
    inset: 0;
    background: rgba(100, 50, 150, 0.85);
    padding: 30px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s ease;
}

.service-card:hover .service-hover {
    opacity: 1;
    visibility: visible;
}

.service-hover-title {
    font-size: 20px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 15px;
}

.service-hover-desc {
    font-size: 14px;
    color: rgba(255,255,255,0.9);
    line-height: 1.7;
    margin: 0;
}

/* Solutions Section - Clean Cards */
.solutions-section {
    padding: 100px 0;
    background: #f8f9fa;
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.solution-card {
    background: #fff;
    padding: 50px 40px;
    border-radius: 12px;
    border: 1px solid #e9ecef;
    transition: all 0.3s ease;
}

.solution-card:hover {
    box-shadow: 0 15px 40px rgba(0,0,0,0.06);
    transform: translateY(-4px);
}

.solution-num {
    font-size: 42px;
    font-weight: 800;
    color: var(--primary-color);
    opacity: 0.15;
    margin-bottom: 20px;
    line-height: 1;
}

.solution-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 15px;
}

.solution-desc {
    font-size: 14px;
    color: var(--text-gray);
    line-height: 1.8;
}

/* Case Studies Section - 纵向交替排列 */
.cases-section {
    padding: 100px 0;
    background: #f8f9fa;
}

.cases-list {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.case-row {
    display: flex;
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.04);
    transition: all 0.3s ease;
}

.case-row:hover {
    box-shadow: 0 12px 30px rgba(0,0,0,0.08);
    transform: translateY(-3px);
}

.case-row-img {
    width: 480px;
    min-height: 320px;
    flex-shrink: 0;
    display: flex;
    align-items: flex-start;
    padding: 25px;
    background-size: cover;
    background-position: center;
}

.case-tag {
    background: var(--primary-color);
    color: #fff;
    padding: 6px 18px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
}

.case-row-body {
    flex: 1;
    padding: 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.case-row-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 15px;
}

.case-row-desc {
    font-size: 14px;
    color: var(--text-gray);
    line-height: 1.8;
    margin-bottom: 25px;
}

.case-specs {
    display: flex;
    gap: 0;
    margin-bottom: 25px;
    border: 1px solid #e9ecef;
    border-radius: 6px;
    overflow: hidden;
}

.case-spec-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 5px;
    padding: 14px 20px;
    border-right: 1px solid #e9ecef;
}

.case-spec-item:last-child {
    border-right: none;
}

.case-spec-label {
    font-size: 12px;
    color: var(--text-light);
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.case-spec-val {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-color);
}

.case-link {
    color: var(--primary-color);
    font-weight: 600;
    font-size: 14px;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: gap 0.3s ease;
}

.case-link:hover {
    gap: 12px;
}

.cases-footer {
    text-align: center;
    margin-top: 20px;
}

.cases-gallery {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 15px;
    margin: 40px 0;
}

.case-thumb {
    height: 120px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 15px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.case-thumb img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.case-thumb:hover img {
    transform: scale(1.08);
}

.case-thumb::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.4);
    transition: background 0.3s ease;
}

.case-thumb:hover::before {
    background: rgba(135, 206, 235, 0.6);
}

.case-thumb span {
    position: relative;
    z-index: 1;
    color: #1a1a2e;
    font-size: 12px;
    font-weight: 600;
    line-height: 1.3;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.case-thumb:hover span {
    opacity: 1;
    visibility: visible;
}

.cases-view-all {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--primary-color);
    font-weight: 700;
    font-size: 16px;
    text-decoration: none;
    padding: 14px 36px;
    border: 2px solid var(--primary-color);
    border-radius: 4px;
    transition: all 0.3s ease;
}

.cases-view-all:hover {
    background: var(--primary-color);
    color: #fff;
    gap: 14px;
}

/* Industries Section - 白色卡片 */
.industries-section {
    padding: 100px 0;
    background: #fff;
}

.industries-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.industry-card {
    background: #f8f9fa;
    padding: 40px 30px;
    border-radius: 12px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid #e9ecef;
}

.industry-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 30px rgba(0,0,0,0.08);
    border-color: var(--primary-color);
}

.industry-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    background: #fef2f2;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 24px;
    transition: all 0.3s ease;
}

.industry-card:hover .industry-icon {
    background: var(--primary-color);
    color: #fff;
    transform: scale(1.1);
}

.industry-name {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 12px;
}

.industry-desc {
    font-size: 14px;
    color: var(--text-gray);
    line-height: 1.7;
}

/* Quotation Section - 单通栏双列背景图 */
.quotation-section {
    display: flex;
    flex-direction: column;
}

.quotation-block {
    position: relative;
    overflow: hidden;
}

.quotation-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
}

.quotation-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.65);
}

.quotation-inner {
    max-width: 1400px;
    margin: 0 auto;
    padding: 100px 40px;
    position: relative;
    z-index: 1;
}

.quotation-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}

.quotation-heading {
    font-size: 26px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 20px;
    padding-bottom: 18px;
    border-bottom: 3px solid var(--primary-color);
    display: inline-block;
}

.quotation-heading--alt {
    border-bottom-color: #60a5fa;
}

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

.quotation-link {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: #fff;
    font-weight: 700;
    font-size: 16px;
    text-decoration: none;
    padding: 12px 28px;
    background: var(--primary-color);
    border-radius: 4px;
    transition: all 0.3s ease;
}

.quotation-link:hover {
    background: var(--primary-dark);
    gap: 14px;
}

.quotation-link--alt {
    background: #2563eb;
}

.quotation-link--alt:hover {
    background: #1d4ed8;
}

/* Materials Section */
.materials-section {
    padding: 100px 0;
    background: #fff;
}

.materials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.material-card {
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid #e9ecef;
    transition: all 0.3s ease;
}

.material-card:hover {
    box-shadow: 0 15px 40px rgba(0,0,0,0.08);
    transform: translateY(-4px);
}

.material-img {
    height: 200px;
    background-size: cover;
    background-position: center;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.material-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.45);
}

.material-label {
    position: relative;
    z-index: 1;
    color: #fff;
    font-size: 20px;
    font-weight: 700;
    text-align: center;
}

.material-link {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 16px;
    color: var(--primary-color);
    font-weight: 600;
    font-size: 14px;
    text-decoration: none;
    transition: gap 0.3s ease;
}

.material-link:hover {
    gap: 12px;
}

/* Factory Tour Section - 左文右视频 */
.factory-section {
    padding: 100px 0;
    background: #fff;
}

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

.factory-heading {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 24px;
    line-height: 1.3;
}

.factory-desc {
    font-size: 15px;
    color: var(--text-gray);
    line-height: 1.8;
    margin-bottom: 16px;
}

.factory-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 30px;
}

.factory-stat {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 15px;
    color: var(--text-color);
    font-weight: 600;
}

.factory-stat i {
    color: var(--primary-color);
    font-size: 18px;
    width: 24px;
    text-align: center;
}

.factory-video-placeholder {
    height: 400px;
    background-size: cover;
    background-position: center;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    position: relative;
}

.factory-play-btn {
    width: 72px;
    height: 72px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 24px;
    box-shadow: 0 8px 30px rgba(211,47,47,0.35);
    transition: all 0.3s ease;
}

.factory-play-btn:hover {
    transform: scale(1.1);
    background: var(--primary-dark);
}

.factory-play-btn i {
    margin-left: 4px;
}

/* Dual Centers Section */
.centers-section {
    padding: 100px 0;
    background: #f8f9fa;
}

.centers-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-bottom: 40px;
}

.center-card {
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.04);
    transition: all 0.3s ease;
}

.center-card:hover {
    box-shadow: 0 15px 40px rgba(0,0,0,0.08);
    transform: translateY(-4px);
}

.center-img {
    height: 220px;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: flex-start;
    padding: 20px;
}

.center-badge {
    background: var(--primary-color);
    color: #fff;
    padding: 6px 18px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
}

.center-body {
    padding: 30px;
}

.center-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 12px;
}

.center-desc {
    font-size: 14px;
    color: var(--text-gray);
    line-height: 1.8;
}

.centers-footer {
    text-align: center;
}

.center-cta {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--primary-color);
    font-weight: 700;
    font-size: 16px;
    text-decoration: none;
    padding: 14px 36px;
    border: 2px solid var(--primary-color);
    border-radius: 4px;
    transition: all 0.3s ease;
}

.center-cta:hover {
    background: var(--primary-color);
    color: #fff;
    gap: 14px;
}

/* Workshop Gallery Section */
.workshop-section {
    position: relative;
    width: 100%;
    height: 600px;
    overflow: hidden;
}

.workshop-swiper {
    width: 100%;
    height: 600px;
}

.workshop-swiper .swiper-wrapper,
.workshop-swiper .swiper-slide {
    height: 600px !important;
}

.workshop-swiper .workshop-slide {
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
}

.workshop-text {
    max-width: 650px;
    padding: 60px 80px;
    color: #1a1a1a;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.swiper-slide-active .workshop-text {
    opacity: 1;
    transform: translateY(0);
}

.workshop-title {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 10px;
    line-height: 1.2;
    color: #1a1a1a;
}

.workshop-subtitle {
    font-size: 16px;
    color: #555;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 20px;
}

.workshop-desc {
    font-size: 16px;
    color: #333;
    line-height: 1.8;
    max-width: 500px;
}

.workshop-tabs {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 10;
    display: flex;
    justify-content: center;
    background: rgba(0, 0, 0, 0.6);
    height: 50px;
}

.workshop-tab {
    flex: 1;
    max-width: 240px;
    background: transparent;
    border: none;
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    height: 50px;
    transition: all 0.3s ease;
    border-bottom: 3px solid transparent;
    padding: 0 16px;
    white-space: nowrap;
    letter-spacing: 0.5px;
}

.workshop-tab.active,
.workshop-tab:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.1);
    border-bottom-color: var(--primary-color);
}

/* Why Choose Us Section - Accordion */
.why-section {
    padding: 100px 0;
    background: #fff;
}

.why-accordion {
    max-width: 100%;
    margin: 0 auto;
}

.why-item {
    border-bottom: 1px solid #e9ecef;
}

.why-toggle {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 24px 0;
    background: none;
    border: none;
    cursor: pointer;
    text-align: left;
    transition: all 0.3s ease;
}

.why-plus {
    width: 32px;
    height: 32px;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 700;
    flex-shrink: 0;
    transition: all 0.3s ease;
}

.why-item.active .why-plus {
    background: var(--primary-color);
    color: #fff;
    transform: rotate(45deg);
}

.why-header {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-color);
    transition: color 0.3s ease;
}

.why-toggle:hover .why-header {
    color: var(--primary-color);
}

.why-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}

.why-item.active .why-content {
    max-height: 800px;
}

.why-cols {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    padding: 0 0 40px 47px;
}

.why-col {
    background: #f8f9fa;
    padding: 30px;
    border-radius: 8px;
}

.why-col-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.why-col-title i.fa-exclamation-circle {
    color: #e74c3c;
}

.why-col-title i.fa-check-circle {
    color: #27ae60;
}

.why-col-desc {
    font-size: 14px;
    color: var(--text-gray);
    line-height: 1.9;
    margin-bottom: 15px;
}

.pain-border {
    border-left: 2px solid #e74c3c;
    padding-left: 16px;
}

.pain-border p {
    font-style: italic;
    font-size: 13px;
    color: #777;
}

.why-pain-img {
    width: 100%;
    height: 260px;
    margin-top: 12px;
    border-radius: 8px;
    background-size: cover;
    background-position: center;
}

.why-role {
    display: none;
}

.why-role {
    display: inline-block;
    background: #e74c3c;
    color: #fff;
    padding: 4px 14px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.why-result {
    margin-top: 15px;
    padding: 14px 16px;
    background: #eafaf1;
    border-radius: 6px;
    font-size: 14px;
    color: #27ae60;
    line-height: 1.6;
}

/* 4 Steps Section */
.steps-section {
    padding: 100px 0;
    background: #fff;
}

.steps-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.steps-left {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.step-item {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    background: #e8f4fd;
    padding: 19px 30px;
}

.step-icon {
    width: 42px;
    height: 42px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 16px;
    flex-shrink: 0;
}

.step-num {
    font-size: 18px;
    font-weight: 800;
    color: var(--primary-color);
    opacity: 0.4;
    line-height: 1;
    margin-left: auto;
    flex-shrink: 0;
    padding-top: 4px;
}

.step-body {
    padding-top: 2px;
    flex: 1;
}

.step-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 6px;
}

.step-desc {
    font-size: 14px;
    color: var(--text-gray);
    line-height: 1.7;
}

.steps-right {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.steps-video {
    height: 380px;
    background-size: cover;
    background-position: center;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.steps-play {
    width: 64px;
    height: 64px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 20px;
    box-shadow: 0 6px 24px rgba(211,47,47,0.3);
    transition: all 0.3s ease;
}

.steps-play:hover {
    transform: scale(1.1);
}

.steps-play i {
    margin-left: 4px;
}

.steps-cta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    color: #fff;
    background: var(--primary-color);
    font-weight: 700;
    font-size: 16px;
    text-decoration: none;
    padding: 14px 32px;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.steps-cta:hover {
    background: var(--primary-dark);
    gap: 14px;
}

/* Partners Section */
.partners-section {
    position: relative;
}

.partners-bg {
    position: relative;
    background-size: cover;
    background-position: center;
}

.partners-overlay {
    position: absolute;
    inset: 0;
}

.partners-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 100px 40px;
    position: relative;
    z-index: 1;
    text-align: center;
}

.partners-title {
    font-size: 36px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 50px;
}

.partners-avatars {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 50px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.partner-avatar {
    width: 80px;
    height: 80px;
    border-radius: 4px;
    background-size: cover;
    background-position: center;
    border: 2px solid #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.partner-avatar:nth-child(1) { transform: translateY(0) translateX(0); }
.partner-avatar:nth-child(2) { transform: translateY(-20px) translateX(-5px); }
.partner-avatar:nth-child(3) { transform: translateY(10px) translateX(-5px); }
.partner-avatar:nth-child(4) { transform: translateY(-15px) translateX(-5px); }
.partner-avatar:nth-child(5) { transform: translateY(5px) translateX(-5px); }
.partner-avatar:nth-child(6) { transform: translateY(-25px) translateX(-5px); }
.partner-avatar:nth-child(7) { transform: translateY(0) translateX(-5px); }
.partner-avatar:nth-child(8) { transform: translateY(-10px) translateX(-5px); }
.partner-avatar:nth-child(9) { transform: translateY(15px) translateX(-5px); }
.partner-avatar:nth-child(10) { transform: translateY(-5px) translateX(-5px); }
.partner-avatar:nth-child(11) { transform: translateY(20px) translateX(-5px); }
.partner-avatar:nth-child(12) { transform: translateY(-18px) translateX(-5px); }

.partner-avatar:hover {
    transform: scale(1.2) !important;
    box-shadow: 0 4px 20px rgba(0,0,0,0.2);
    z-index: 10;
}

.partners-quotes {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 50px;
}

.partner-quote {
    background: rgba(255,255,255,0.08);
    padding: 25px 20px;
    border-radius: 8px;
}

.partner-quote p {
    font-size: 13px;
    color: rgba(99, 99, 99, 0.75);
    line-height: 1.8;
    font-style: italic;
}

.partners-logos {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
    margin-bottom: 40px;
}

.partner-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.partner-logo img {
    max-width: 100%;
    max-height: 50px;
    transition: all 0.3s ease;
    opacity: 0.8;
}

.partner-logo:hover img {
    opacity: 1;
    transform: scale(1.05);
}

.partners-cta {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: #1a1a1a;
    background: var(--primary-color);
    font-weight: 700;
    font-size: 16px;
    text-decoration: none;
    padding: 14px 36px;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.partners-cta:hover {
    background: var(--primary-dark);
    gap: 14px;
}

/* Statistics Section */
.statistics-section {
    padding: 80px 0;
    background: var(--primary-color);
    color: #fff;
}

.statistics-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    text-align: center;
}

.stat-item {
    padding: 20px;
}

.stat-number {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 10px;
}

.stat-label {
    font-size: 16px;
    opacity: 0.9;
}

/* Articles Section */
.articles-section {
    padding: 80px 0;
    background: #fff;
}

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

.articles-title {
    font-size: 32px;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 10px;
    letter-spacing: -0.02em;
}

.articles-subtitle {
    font-size: 16px;
    color: #999;
    font-weight: 400;
}

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

.article-card {
    background: #fff;
    border: 1px solid #e8e8e8;
    border-radius: 8px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.article-card:hover {
    box-shadow: 0 8px 30px rgba(0,0,0,0.1);
    transform: translateY(-3px);
    border-color: #d32f2f;
}

.article-image {
    width: 100%;
    height: 220px;
    background-size: cover;
    background-position: center;
    transition: transform 0.3s ease;
}

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

.article-content {
    padding: 20px;
}

.article-title {
    font-size: 16px;
    font-weight: 600;
    color: #333;
    margin-bottom: 12px;
    line-height: 1.5;
    transition: color 0.3s ease;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.article-card:hover .article-title {
    color: #d32f2f;
}

.article-excerpt {
    font-size: 13px;
    color: #666;
    line-height: 1.7;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

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

@media (max-width: 768px) {
    .articles-grid {
        grid-template-columns: 1fr;
    }
    
    .articles-title {
        font-size: 24px;
    }
}

/* CTA Section */
.cta-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    text-align: center;
}

.cta-content {
    max-width: 700px;
    margin: 0 auto;
}

.cta-title {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 20px;
}

.cta-desc {
    font-size: 18px;
    opacity: 0.9;
    margin-bottom: 40px;
}

.cta-section .btn-primary {
    background: #fff;
    color: var(--primary-color);
}

.cta-section .btn-primary:hover {
    background: #f8f9fa;
}

/* Contact Section */
.contact-section {
    padding: 100px 0;
    background: #fff;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 60px;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.contact-item {
    display: flex;
    gap: 20px;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 8px;
}

.contact-item i {
    font-size: 24px;
    color: var(--primary-color);
}

.contact-details h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 8px;
}

.contact-details p {
    font-size: 14px;
    color: var(--text-gray);
}

.contact-form {
    background: #f8f9fa;
    padding: 40px;
    border-radius: 8px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    font-size: 14px;
    border: 1px solid #ddd;
    border-radius: 4px;
    transition: border-color 0.3s ease;
    box-sizing: border-box;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-group textarea {
    resize: vertical;
}

/* Responsive Styles for Front-page */
@media (max-width: 1024px) {
    .hero-container {
        padding: 120px 40px 100px;
    }

    .hero-title {
        font-size: 44px;
    }

    .hero-subtitle {
        font-size: 18px;
    }

    .hero-swiper-button-next,
    .hero-swiper-button-prev {
        display: none;
    }

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

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

    .case-row {
        flex-direction: column;
    }

    .case-row--alt {
        flex-direction: column;
    }

    .case-row-img {
        width: 100%;
        min-height: 220px;
    }

    .cases-gallery {
        grid-template-columns: repeat(3, 1fr);
    }

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

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

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

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

    .workshop-section {
        height: 400px;
    }

    .workshop-swiper .swiper-wrapper,
    .workshop-swiper .swiper-slide {
        height: 400px;
    }

    .workshop-tab {
        font-size: 12px;
        padding: 0 8px;
    }

    .workshop-text {
        padding: 40px;
    }

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

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

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

    .why-cols {
        grid-template-columns: 1fr;
    }

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

    .steps-video {
        height: 280px;
    }

    .partners-quotes {
        grid-template-columns: 1fr;
    }

    .partners-logos {
        grid-template-columns: repeat(3, 1fr);
    }

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

@media (max-width: 768px) {
    .hero-banner {
        min-height: 500px;
    }

    .hero-container {
        padding: 100px 20px 80px;
    }

    .hero-title {
        font-size: 34px;
        line-height: 1.3;
    }

    .hero-subtitle {
        font-size: 16px;
    }

    .hero-features li {
        font-size: 14px;
    }

    .hero-btn {
        font-size: 16px;
        padding: 14px 32px;
    }

    .hero-swiper-button-next,
    .hero-swiper-button-prev {
        display: none;
    }

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

    .section-subtitle {
        font-size: 16px;
    }

    .services-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

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

    .case-row {
        flex-direction: column;
    }

    .case-row-img {
        width: 100%;
        min-height: 200px;
    }

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

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

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

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

    .why-cols {
        grid-template-columns: 1fr;
    }

    .statistics-grid {
        grid-template-columns: 1fr 1fr;
        gap: 30px;
    }

    .stat-number {
        font-size: 36px;
    }

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

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

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

@media (max-width: 480px) {
    .hero-title {
        font-size: 28px;
    }

    .hero-buttons .btn {
        padding: 10px 24px;
        font-size: 14px;
    }

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

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

    .stat-number {
        font-size: 28px;
    }

    .stat-label {
        font-size: 14px;
    }
}