/* ========================================
   华云通物流 - 响应式CSS样式表
   ======================================== */

/* CSS Variables */
:root {
    --primary-blue: #1B315E;
    --secondary-blue: #2B5B9F;
    --accent-orange: #F39200;
    --accent-orange-light: #FFA500;
    --text-dark: #333333;
    --text-gray: #666666;
    --text-light: #999999;
    --bg-white: #FFFFFF;
    --bg-light: #F5F5F5;
    --bg-gray: #E8E8E8;
    --border-color: #DDDDDD;
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.12);
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Microsoft YaHei', 'PingFang SC', 'Hiragino Sans GB', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-white);
}

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition-fast);
}

ul, ol {
    list-style: none;
}

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

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

/* ========================================
   Header & Navigation
   ======================================== */
.header {
    background-color: var(--primary-blue);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-top {
    background-color: var(--accent-orange);
    height: 4px;
}

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

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

.logo-img,
.logo-icon {
    width: 180px;
    height: auto;
}

.footer-logo-icon {
    width: 40px;
    height: 40px;
}

.logo-text {
    color: var(--bg-white);
}

.logo-text h1 {
    font-size: 20px;
    font-weight: bold;
    margin-bottom: 2px;
}

.logo-text span {
    font-size: 11px;
    letter-spacing: 1px;
    opacity: 0.9;
}

.nav {
    display: flex;
    align-items: center;
}

.nav-list {
    display: flex;
    gap: 40px;
}

.nav-item a {
    color: var(--bg-white);
    font-size: 15px;
    padding: 8px 0;
    position: relative;
}

.nav-item a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-orange);
    transition: width var(--transition-normal);
}

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

.nav-item.active a {
    color: var(--accent-orange);
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 10px;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--bg-white);
    border-radius: 2px;
    transition: var(--transition-fast);
}

/* ========================================
   Hero Banner Carousel
   ======================================== */
.hero-carousel {
    position: relative;
    height: 555px;
    overflow: hidden;
}

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

.hero-slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.8s ease, visibility 0.8s ease;
}

.hero-slide.active {
    opacity: 1;
    visibility: visible;
}

.hero-slide-img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(26, 26, 46, 0.7) 0%, rgba(22, 33, 62, 0.5) 50%, rgba(15, 52, 96, 0.6) 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--bg-white);
}

.hero-text {
    max-width: 800px;
    padding: 20px;
}

.hero-title {
    font-size: 72px;
    font-weight: bold;
    margin-bottom: 30px;
    text-shadow: 2px 2px 8px rgba(0,0,0,0.5);
}

.hero-title span {
    color: var(--accent-orange);
    display: block;
}

.hero-subtitle {
    font-size: 28px;
    margin-bottom: 40px;
    opacity: 0.95;
}

.hero-cta {
    display: inline-block;
    background-color: var(--accent-orange);
    color: var(--bg-white);
    padding: 15px 40px;
    font-size: 18px;
    border-radius: 4px;
    transition: all var(--transition-normal);
}

.hero-cta:hover {
    background-color: var(--accent-orange-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Carousel Controls */
.carousel-dots {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 10;
}

.carousel-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all 0.3s ease;
}

.carousel-dot:hover {
    background-color: rgba(255, 255, 255, 0.8);
}

.carousel-dot.active {
    background-color: var(--accent-orange);
    transform: scale(1.2);
}

.carousel-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    border: none;
    border-radius: 50%;
    background-color: rgba(0, 0, 0, 0.3);
    color: var(--bg-white);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    z-index: 10;
    opacity: 0;
}

.hero-carousel:hover .carousel-arrow {
    opacity: 1;
}

.carousel-arrow:hover {
    background-color: rgba(0, 0, 0, 0.5);
}

.carousel-arrow svg {
    width: 24px;
    height: 24px;
}

.carousel-arrow-left {
    left: 30px;
}

.carousel-arrow-right {
    right: 30px;
}

/* Responsive */
@media (max-width: 768px) {
    .hero-carousel {
        height: 400px;
    }

    .hero-title {
        font-size: 36px;
    }

    .hero-subtitle {
        font-size: 20px;
    }

    .carousel-arrow {
        width: 40px;
        height: 40px;
        opacity: 1;
    }

    .carousel-arrow-left {
        left: 10px;
    }

    .carousel-arrow-right {
        right: 10px;
    }
}

@media (max-width: 480px) {
    .hero-carousel {
        height: 350px;
    }

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

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

    .hero-cta {
        padding: 12px 25px;
        font-size: 14px;
    }

    .carousel-dot {
        width: 10px;
        height: 10px;
    }
}

/* ========================================
   Section Common Styles
   ======================================== */
.section {
    padding: 80px 0;
}

.section-gray {
    background-color: var(--bg-light);
}

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

.section-header h2 {
    font-size: 36px;
    color: var(--primary-blue);
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
}

.section-header h2::before,
.section-header h2::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 60px;
    height: 2px;
    background-color: var(--accent-orange);
}

.section-header h2::before {
    right: calc(100% + 20px);
}

.section-header h2::after {
    left: calc(100% + 20px);
}

.section-header p {
    font-size: 16px;
    color: var(--text-gray);
}

/* ========================================
   Service Navigation Tabs
   ======================================== */
.service-tabs {
    display: flex;
    justify-content: center;
    gap: 60px;
    padding: 40px 0;
    background-color: var(--bg-white);
    border-bottom: 1px solid var(--bg-gray);
}

.service-tab {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    transition: var(--transition-normal);
}

.service-tab-icon {
    width: 60px;
    height: 60px;
    border: 2px solid var(--secondary-blue);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-normal);
}

.service-tab-icon svg {
    width: 28px;
    height: 28px;
    stroke: var(--secondary-blue);
    fill: none;
}

.service-tab span {
    font-size: 15px;
    color: var(--text-gray);
    font-weight: 500;
}

.service-tab.active .service-tab-icon,
.service-tab:hover .service-tab-icon {
    background-color: var(--accent-orange);
    border-color: var(--accent-orange);
}

.service-tab.active .service-tab-icon svg,
.service-tab:hover .service-tab-icon svg {
    stroke: var(--bg-white);
}

.service-tab.active span,
.service-tab:hover span {
    color: var(--accent-orange);
}

/* ========================================
   Feature Cards
   ======================================== */
.feature-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.feature-card {
    background-color: var(--bg-white);
    padding: 30px 20px;
    text-align: center;
    border-radius: 8px;
box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.feature-card-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 20px;
    background-color: var(--bg-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-card-icon svg {
    width: 36px;
    height: 36px;
    stroke: var(--secondary-blue);
    fill: none;
}

.feature-card h3 {
    font-size: 18px;
    color: var(--primary-blue);
    margin-bottom: 10px;
}

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

/* ========================================
   Service Introduction
   ======================================== */
.service-intro {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.service-intro.reverse {
    direction: rtl;
}

.service-intro.reverse > * {
    direction: ltr;
}

.service-intro-content h3 {
    font-size: 28px;
    color: var(--primary-blue);
    margin-bottom: 20px;
}

.service-intro-content h3 span {
    color: var(--accent-orange);
}

.service-intro-content p {
    font-size: 15px;
    color: var(--text-gray);
    margin-bottom: 15px;
    line-height: 1.8;
}

.service-intro-content ul {
    margin: 20px 0;
}

.service-intro-content li {
    padding: 8px 0;
    padding-left: 24px;
    position: relative;
    color: var(--text-gray);
}

.service-intro-content li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 14px;
    width: 12px;
    height: 12px;
    background-color: var(--accent-orange);
    border-radius: 50%;
}

.service-intro-image {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.service-intro-image img,
.service-intro-image .placeholder-image {
    width: 100%;
    height: 350px;
    object-fit: cover;
}

.placeholder-image {
    background: linear-gradient(135deg, var(--secondary-blue), var(--primary-blue));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bg-white);
    font-size: 18px;
}

/* ========================================
   Value Proposition
   ======================================== */
.value-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 30px;
}

.value-item {
    text-align: center;
    padding: 30px 15px;
    position: relative;
}

.value-number {
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    font-size: 80px;
    font-weight: bold;
    color: var(--bg-gray);
    opacity: 0.5;
    z-index: 0;
}

.value-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background-color: var(--secondary-blue);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 1;
}

.value-icon svg {
    width: 40px;
    height: 40px;
    stroke: var(--bg-white);
    fill: none;
}

.value-item h4 {
    font-size: 16px;
    color: var(--primary-blue);
    margin-bottom: 10px;
    position: relative;
    z-index: 1;
}

.value-item p {
    font-size: 13px;
    color: var(--text-gray);
    position: relative;
    z-index: 1;
}

/* ========================================
   Process Steps
   ======================================== */
.process-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 20px;
    position: relative;
}

.process-step {
    text-align: center;
    padding: 25px 15px;
    background-color: var(--bg-light);
    border-radius: 8px;
    position: relative;
}

.process-step::after {
    content: '';
    position: absolute;
    right: -18px;
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    border-right: 2px solid var(--accent-orange);
    border-top: 2px solid var(--accent-orange);
    transform: translateY(-50%) rotate(45deg);
}

.process-step:last-child::after {
    display: none;
}

.process-step-number {
    width: 40px;
    height: 40px;
    margin: 0 auto 15px;
    background-color: var(--accent-orange);
    color: var(--bg-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 18px;
}

.process-step h4 {
    font-size: 15px;
    color: var(--primary-blue);
    margin-bottom: 8px;
}

.process-step p {
    font-size: 12px;
    color: var(--text-gray);
}

/* ========================================
   Partner Logos
   ======================================== */
.partner-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 30px;
}

.partner-item {
    background-color: var(--bg-white);
    padding: 25px;
    border-radius: 8px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
}

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

.partner-logo {
    width: 120px;
    height: 87px;
    margin: 0 auto 15px;
    background-color: var(--bg-light);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 12px;
    color: var(--secondary-blue);
}

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

.partner-item h4 {
    font-size: 14px;
    color: var(--primary-blue);
    margin-bottom: 8px;
}

.partner-item p {
    font-size: 12px;
    color: var(--text-gray);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}

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

.news-list {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.news-item {
    display: flex;
    gap: 20px;
    padding: 20px;
    background-color: var(--bg-white);
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
}

.news-item:hover {
    box-shadow: var(--shadow-md);
}

.news-thumb {
    width: 180px;
    height: 130px;
    border-radius: 6px;
    overflow: hidden;
    flex-shrink: 0;
    background: linear-gradient(135deg, var(--secondary-blue), var(--primary-blue));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bg-white);
}

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

.news-content h3 {
    font-size: 18px;
    color: var(--primary-blue);
    margin-bottom: 10px;
    transition: color var(--transition-fast);
}

.news-item:hover .news-content h3 {
    color: var(--accent-orange);
}

.news-content p {
    font-size: 14px;
    color: var(--text-gray);
    margin-bottom: 12px;
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}

.news-meta {
    display: flex;
    gap: 20px;
    font-size: 12px;
    color: var(--text-light);
}

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

/* Sidebar */
.sidebar {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.sidebar-widget {
    background-color: var(--bg-white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.widget-header {
    background-color: var(--primary-blue);
    color: var(--bg-white);
    padding: 15px 20px;
    font-size: 16px;
    font-weight: bold;
}

.widget-content {
    padding: 20px;
}

.qr-code-widget {
    text-align: center;
    padding: 30px 20px;
}

.qr-code-box {
    width: 120px;
    height: 120px;
    margin: 0 auto 15px;
    background-color: var(--bg-light);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    color: var(--text-gray);
}

.recommend-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.recommend-item {
    display: flex;
    gap: 12px;
}

.recommend-thumb {
    width: 70px;
    height: 55px;
    border-radius: 4px;
    background: linear-gradient(135deg, var(--accent-orange), var(--accent-orange-light));
    flex-shrink: 0;
}

.recommend-info h4 {
    font-size: 13px;
    color: var(--text-dark);
    margin-bottom: 5px;
    line-height: 1.4;
}

.recommend-info span {
    font-size: 11px;
    color: var(--text-light);
}

/* ========================================
   Breadcrumb
   ======================================== */
.breadcrumb {
    padding: 15px 0;
    font-size: 14px;
    color: var(--text-gray);
}

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

.breadcrumb a:hover {
    color: var(--accent-orange);
}

.breadcrumb span {
    margin: 0 10px;
    color: var(--text-light);
}

/* ========================================
   Page Header
   ======================================== */
.page-header {
    padding: 60px 0;
    text-align: center;
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    color: var(--bg-white);
}

.page-header h1 {
    font-size: 42px;
    margin-bottom: 15px;
}

.page-header p {
    font-size: 16px;
    opacity: 0.9;
}

/* ========================================
   About Content
   ======================================== */
.about-tabs {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-bottom: 40px;
}

.about-tab {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    padding: 15px 25px;
    border-radius: 8px;
    transition: var(--transition-normal);
}

.about-tab.active {
    background-color: var(--accent-orange);
    color: var(--bg-white);
}

.about-tab-icon {
    width: 60px;
    height: 60px;
    border: 2px solid var(--secondary-blue);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.about-tab.active .about-tab-icon {
    border-color: var(--bg-white);
}

.about-tab-icon svg {
    width: 28px;
    height: 28px;
    stroke: var(--secondary-blue);
    fill: none;
}

.about-tab.active .about-tab-icon svg {
    stroke: var(--bg-white);
}

.about-content {
    background-color: var(--bg-white);
    padding: 50px;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
}

.about-content h2 {
    font-size: 28px;
    color: var(--primary-blue);
    text-align: center;
    margin-bottom: 30px;
}

.about-content p {
    font-size: 15px;
    color: var(--text-gray);
    line-height: 1.9;
    margin-bottom: 15px;
    text-align: justify;
}

/* ========================================
   Contact Info
   ======================================== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.contact-info {
    padding: 40px;
    background-color: var(--bg-white);
    border-radius: 12px;
    box-shadow: var(--shadow-md);
}

.contact-info h3 {
    font-size: 24px;
    color: var(--primary-blue);
    margin-bottom: 30px;
}

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

.contact-item {
    display: flex;
    gap: 15px;
    align-items: flex-start;
}

.contact-item-icon {
    width: 45px;
    height: 45px;
    background-color: var(--accent-orange);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-item-icon svg {
    width: 22px;
    height: 22px;
    stroke: var(--bg-white);
    fill: none;
}

.contact-item-content h4 {
    font-size: 14px;
    color: var(--text-gray);
    margin-bottom: 5px;
}

.contact-item-content p {
    font-size: 16px;
    color: var(--text-dark);
    font-weight: 500;
}

/* ========================================
   Service Detail
   ======================================== */
.service-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.service-detail-content h3 {
    font-size: 32px;
    color: var(--primary-blue);
    margin-bottom: 20px;
}

.service-detail-content h3 span {
    color: var(--accent-orange);
}

.service-detail-content p {
    font-size: 15px;
    color: var(--text-gray);
    line-height: 1.8;
    margin-bottom: 25px;
}

.btn-primary {
    display: inline-block;
    background-color: var(--accent-orange);
    color: var(--bg-white);
    padding: 14px 35px;
    font-size: 16px;
    border-radius: 4px;
    border: none;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.btn-primary:hover {
    background-color: var(--accent-orange-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.service-detail-image {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.service-detail-image .placeholder-image {
    height: 400px;
}

/* Map Section */
.map-section {
    margin-top: 60px;
}

.map-section h3 {
    font-size: 28px;
    color: var(--primary-blue);
    margin-bottom: 30px;
    text-align: center;
}

.map-placeholder {
    height: 400px;
    background: linear-gradient(135deg, var(--bg-light), var(--bg-gray));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-gray);
    font-size: 18px;
}

.map-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.map-stat {
    text-align: center;
    padding: 30px;
    background-color: var(--bg-white);
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
}

.map-stat-number {
    font-size: 42px;
    font-weight: bold;
    color: var(--accent-orange);
    margin-bottom: 10px;
}

.map-stat-label {
    font-size: 16px;
    color: var(--text-gray);
}

/* ========================================
   Pagination
   ======================================== */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    margin-top: 40px;
}

.pagination a,
.pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 15px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 14px;
    color: var(--text-gray);
    transition: var(--transition-fast);
}

.pagination a:hover {
    border-color: var(--accent-orange);
    color: var(--accent-orange);
}

.pagination .active {
    background-color: var(--accent-orange);
    border-color: var(--accent-orange);
    color: var(--bg-white);
}

/* ========================================
   News Detail
   ======================================== */
.news-detail {
    background-color: var(--bg-white);
    padding: 40px;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
}

.news-detail-header {
    text-align: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--bg-gray);
}

.news-detail-header h1 {
    font-size: 28px;
    color: var(--primary-blue);
    margin-bottom: 15px;
}

.news-detail-meta {
    display: flex;
    justify-content: center;
    gap: 30px;
    font-size: 14px;
    color: var(--text-light);
}

.news-detail-content {
    font-size: 16px;
    line-height: 1.9;
    color: var(--text-dark);
}

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

.news-nav {
    display: flex;
    justify-content: space-between;
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid var(--bg-gray);
}

.news-nav a {
    font-size: 14px;
    color: var(--secondary-blue);
}

.news-nav a:hover {
    color: var(--accent-orange);
}

/* Partner Detail Logo */
.partner-detail-logo {
    text-align: center;
    margin-bottom: 30px;
    padding: 30px;
    background-color: var(--bg-light);
    border-radius: 12px;
}

.partner-detail-logo img {
    max-width: 200px;
    height: auto;
    margin: 0 auto;
}

/* ========================================
   Partner List
   ======================================== */
.partner-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.partner-list-item {
    display: flex;
    gap: 25px;
    padding: 25px;
    background-color: var(--bg-white);
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-normal);
}

.partner-list-item:hover {
    box-shadow: var(--shadow-md);
}

.partner-list-logo {
    width: 120px;
    height: 100px;
    background-color: var(--bg-light);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 14px;
    color: var(--secondary-blue);
    flex-shrink: 0;
}

.partner-list-info h3 {
    font-size: 20px;
    color: var(--primary-blue);
    margin-bottom: 10px;
}

.partner-list-info p {
    font-size: 14px;
    color: var(--text-gray);
    margin-bottom: 10px;
}

.partner-list-meta {
    font-size: 12px;
    color: var(--text-light);
}

/* ========================================
   Footer
   ======================================== */
.footer {
    background-color: var(--primary-blue);
    color: var(--bg-white);
    padding: 60px 0 30px;
}

.footer-main {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

/* Footer Info Column */
.footer-info-column {
    padding-right: 20px;
}

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

.footer-logo-icon {
    width: 100px;
    height: auto;
}

.footer-logo h3 {
    font-size: 20px;
    margin: 0;
}

.footer-info-column > p {
    font-size: 14px;
    line-height: 1.8;
    opacity: 0.85;
    margin-bottom: 20px;
}

.footer-contact-info {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.footer-contact-info p {
    font-size: 13px;
    line-height: 1.6;
    opacity: 0.85;
    margin: 0;
}

.footer-contact-info span {
    color: var(--accent-orange);
    display: inline-block;
    min-width: 50px;
    white-space: nowrap;
}

/* Footer Navigation Columns */
.footer-nav-column h4 {
    font-size: 16px;
    margin-bottom: 20px;
    color: var(--accent-orange);
}

.footer-nav-column ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-nav-column li a {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.85);
    transition: color var(--transition-fast);
}

.footer-nav-column li a:hover {
    color: var(--accent-orange);
}

/* QR Code Column */
.footer-qrcode-column {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.footer-qrcode-column .footer-qrcode-box {
    width: 100px;
    height: 100px;
    background-color: var(--bg-white);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    color: var(--text-gray);
    margin-bottom: 12px;
    padding: 5px;
}

.footer-qrcode-box img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 4px;
}

.qrcode-tip {
    font-size: 12px;
    text-align: center;
    opacity: 0.85;
    line-height: 1.6;
}

/* News List Full Width */
.news-list-full {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid rgba(255,255,255,0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
    opacity: 0.8;
}

.footer-bottom p {
    margin: 0;
}

.footer-bottom a {
    color: rgba(255, 255, 255, 0.8);
    transition: color var(--transition-fast);
}

.footer-bottom a:hover {
    color: var(--accent-orange);
}

/* ========================================
   Responsive Styles
   ======================================== */
@media (max-width: 1024px) {
    .container {
        padding: 0 30px;
    }

    .hero-title {
        font-size: 56px;
    }

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

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

    .partner-grid {
        grid-template-columns: repeat(4, 1fr);
    }

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

    .process-step::after {
        display: none;
    }

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

@media (max-width: 768px) {
    .nav-list {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--primary-blue);
        flex-direction: column;
        padding: 20px;
        gap: 15px;
    }

    .nav-list.active {
        display: flex;
    }

    .menu-toggle {
        display: flex;
    }

    .hero {
        height: 400px;
    }

    .hero-title {
        font-size: 36px;
    }

    .hero-subtitle {
        font-size: 20px;
    }

    .section {
        padding: 50px 0;
    }

    .section-header h2 {
        font-size: 28px;
    }

    .section-header h2::before,
    .section-header h2::after {
        width: 30px;
    }

    .service-tabs {
        flex-wrap: wrap;
        gap: 30px;
    }

    .service-intro {
        grid-template-columns: 1fr;
    }

    .service-intro.reverse {
        direction: ltr;
    }

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

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

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

    .news-section {
        grid-template-columns: 1fr;
    }

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

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

    .map-stats {
        grid-template-columns: 1fr;
    }

    .about-tabs {
        flex-wrap: wrap;
        gap: 15px;
    }

    .about-content {
        padding: 30px 20px;
    }

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

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

    .footer-info-column {
        grid-column: 1 / -1;
        padding-right: 0;
    }

    .footer-contact-info {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 15px 30px;
    }

    .footer-qrcode-box {
        margin: 0 auto;
    }

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

    .footer-bottom {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }

    .partner-list-item {
        flex-direction: column;
    }

    .partner-list-logo {
        width: 100%;
        height: 80px;
    }
}

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

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

    .hero-cta {
        padding: 12px 25px;
        font-size: 14px;
    }

    .feature-cards {
        grid-template-columns: 1fr;
    }

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

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

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

    .news-item {
        flex-direction: column;
    }

    .news-thumb {
        width: 100%;
        height: 180px;
    }

    .about-tabs {
        justify-content: space-between;
    }

    .about-tab {
        padding: 10px 15px;
    }

    .footer-nav-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }

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

    .footer-contact-info {
        flex-direction: column;
        gap: 8px;
    }

    .about-tab-icon {
        width: 50px;
        height: 50px;
    }

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

/* ========================================
   Animations
   ======================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fadeInUp {
    animation: fadeInUp 0.6s ease forwards;
}

/* Scroll Animation */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* ========================================
   Cloud Warehouse Page
   ======================================== */
   
/* Service Feature Image */
.service-feature-img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
}

/* Warehouse Network Map */
.warehouse-network-map {
    width: 100%;
    margin-bottom: 40px;
}

.network-map-img {
    width: 100%;
    height: auto;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
}

/* Cooperation Mode Section */
.cooperation-mode {
    margin-top: 40px;
}

.cooperation-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-bottom: 40px;
}

.cooperation-card {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.cooperation-card-label {
    position: absolute;
    top: 20px;
    left: 20px;
    background: linear-gradient(135deg, var(--secondary-blue) 0%, var(--primary-blue) 100%);
    color: #fff;
    padding: 8px 20px;
    border-radius: 25px;
    font-size: 14px;
    font-weight: 500;
    z-index: 2;
}

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

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

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

.cooperation-guarantee {
    background: linear-gradient(135deg, rgba(43, 91, 159, 0.05) 0%, rgba(27, 49, 94, 0.05) 100%);
    border-left: 4px solid var(--secondary-blue);
    padding: 25px 30px;
    border-radius: 0 12px 12px 0;
}

.cooperation-guarantee h4 {
    font-size: 18px;
    color: var(--primary-blue);
    margin-bottom: 15px;
}

.cooperation-guarantee p {
    color: var(--text-gray);
    line-height: 1.8;
    font-size: 15px;
}

/* ========================================
   Service All Section (Left Image Right Text)
   ======================================== */
.service-all-grid {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: 50px;
    align-items: center;
}

.service-all-image {
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.service-all-image img {
    width: 100%;
    height: auto;
    display: block;
}

.service-all-content {
    padding: 20px 0;
}

.service-all-header {
    margin-bottom: 35px;
}

.service-all-header h3 {
    font-size: 32px;
    color: var(--text-dark);
    font-weight: 600;
    margin-bottom: 10px;
}

.service-all-header h4 {
    font-size: 24px;
    color: var(--secondary-blue);
    font-weight: 500;
}

.service-all-data {
    margin-bottom: 30px;
}

.data-item {
    display: flex;
    align-items: baseline;
    gap: 5px;
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
}

.data-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.data-number {
    font-size: 36px;
    font-weight: 700;
    color: var(--primary-blue);
    line-height: 1;
}

.data-unit {
    font-size: 18px;
    color: var(--text-gray);
    margin-right: 8px;
}

.data-label {
    font-size: 16px;
    color: var(--text-gray);
}

.service-all-legend {
    display: flex;
    gap: 30px;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: var(--text-gray);
}

.legend-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.legend-self {
    background-color: #10B981;
}

.legend-franchise {
    background-color: var(--secondary-blue);
}

/* ========================================
   Express Coverage Section (Left Image Right Text)
   ======================================== */
.express-coverage .service-all-header h3 {
    font-size: 36px;
    color: var(--text-dark);
    font-weight: 700;
    margin-bottom: 8px;
}

.express-coverage .service-all-header h4 {
    font-size: 28px;
    color: var(--secondary-blue);
    font-weight: 500;
    margin-bottom: 25px;
}

.coverage-info {
    margin-bottom: 25px;
}

.coverage-lead {
    font-size: 16px;
    color: var(--text-gray);
    margin-bottom: 8px;
}

.coverage-regions {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-dark);
}

.map-stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-bottom: 30px;
}

.map-stat-item {
    text-align: center;
    padding: 20px;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 12px;
}

.map-stat-item .map-stat-number {
    font-size: 32px;
    font-weight: 700;
    color: var(--secondary-blue);
    margin-bottom: 5px;
}

.map-stat-item .map-stat-label {
    font-size: 14px;
    color: var(--text-gray);
}

.btn-orange {
    background: linear-gradient(135deg, var(--accent-orange) 0%, var(--accent-orange-light) 100%);
    color: #fff;
    padding: 14px 40px;
    border-radius: 30px;
    font-size: 16px;
    font-weight: 500;
    display: inline-block;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(243, 146, 0, 0.3);
}

.btn-orange:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(243, 146, 0, 0.4);
    color: #fff;
}

/* ========================================
   E-commerce Clients Section (Left Image Right Text)
   ======================================== */
.ecommerce-clients .service-all-header h3 {
    font-size: 36px;
    color: var(--text-dark);
    font-weight: 700;
    margin-bottom: 8px;
}

.ecommerce-clients .service-all-header h4 {
    font-size: 22px;
    color: var(--secondary-blue);
    font-weight: 500;
    margin-bottom: 25px;
}

.ecommerce-clients .coverage-list {
    margin-bottom: 30px;
}

.ecommerce-clients .coverage-list p {
    font-size: 16px;
    color: var(--text-gray);
    margin-bottom: 12px;
    line-height: 1.6;
}