/* ========================================
   3803223.cn - GEO 综合营销官网
   深蓝 + 深绿 + 白色主题
   横向卷轴动态布局样式
======================================== */

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

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
    background: linear-gradient(135deg, #0a1628 0%, #0d2137 50%, #0f2942 100%);
    color: #ffffff;
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

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

ul, ol {
    list-style: none;
}

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

/* 滚动条美化 */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: #0a1628;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, #1e5a3e, #0d4a35);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, #2d7a55, #1a6a4a);
}

/* ========================================
   顶部导航栏
======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 22, 40, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(30, 90, 62, 0.3);
    transition: all 0.4s ease;
}

.header.scrolled {
    background: rgba(5, 12, 25, 0.98);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}

.header-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

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

.logo img {
    width: 50px;
    height: 50px;
    object-fit: contain;
}

.logo-text {
    font-size: 24px;
    font-weight: 700;
    background: linear-gradient(135deg, #ffffff 0%, #a8d5ba 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.nav-link {
    position: relative;
    font-size: 15px;
    font-weight: 500;
    color: #c5d0dc;
    padding: 8px 0;
    letter-spacing: 0.5px;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #1e5a3e, #3d8a65);
    transition: width 0.3s ease;
}

.nav-link:hover,
.nav-link.active {
    color: #ffffff;
}

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

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 10px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: #ffffff;
    border-radius: 2px;
    transition: all 0.3s ease;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* ========================================
   主容器 - 横向卷轴布局
======================================== */
.main-wrapper {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    padding-top: 80px;
}

.page-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 80px 40px;
    overflow: hidden;
}

/* 背景装饰元素 */
.bg-decoration {
    position: absolute;
    pointer-events: none;
    opacity: 0.1;
}

.bg-circle {
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(30, 90, 62, 0.4), rgba(13, 74, 53, 0.2));
}

.bg-wave {
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 120"><path d="M321.39,56.44c58-10.79,114.16-30.13,172-41.86,82.39-16.72,168.19-17.73,250.45-.39C823.78,31,906.67,72,985.66,92.83c70.05,18.48,146.53,26.09,214.34,3V0H0V27.35A600.21,600.21,0,0,0,321.39,56.44Z" fill="%231e5a3e" opacity="0.1"/></svg>') repeat-x;
    background-size: 100% 120px;
}

/* ========================================
   Hero Banner (首页首屏)
======================================== */
.hero-section {
    background: linear-gradient(135deg, rgba(10, 22, 40, 0.9), rgba(13, 33, 55, 0.85)),
                url('../images/banner-bg.jpg') center/cover no-repeat;
    position: relative;
}

.hero-content {
    max-width: 1200px;
    text-align: center;
    z-index: 10;
}

.hero-badge {
    display: inline-block;
    padding: 10px 25px;
    background: linear-gradient(135deg, #1e5a3e, #0d4a35);
    border-radius: 30px;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 2px;
    margin-bottom: 30px;
    animation: fadeInDown 0.8s ease;
}

.hero-title {
    font-size: 56px;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 25px;
    background: linear-gradient(135deg, #ffffff 0%, #d4edda 50%, #a8d5ba 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeInUp 1s ease 0.2s both;
}

.hero-subtitle {
    font-size: 20px;
    color: #b0bec5;
    max-width: 700px;
    margin: 0 auto 40px;
    animation: fadeInUp 1s ease 0.4s both;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 1s ease 0.6s both;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 15px 35px;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, #1e5a3e, #2d7a55);
    color: #ffffff;
    box-shadow: 0 10px 30px rgba(30, 90, 62, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(30, 90, 62, 0.6);
}

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

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.6);
}

/* ========================================
   核心优势板块
======================================== */
.advantages-section {
    background: linear-gradient(180deg, #0a1628 0%, #0d1f35 100%);
}

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

.section-tag {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(30, 90, 62, 0.2);
    border: 1px solid rgba(30, 90, 62, 0.4);
    border-radius: 20px;
    font-size: 13px;
    color: #5db888;
    margin-bottom: 15px;
    letter-spacing: 1px;
}

.section-title {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 15px;
    background: linear-gradient(135deg, #ffffff, #a8d5ba);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-desc {
    font-size: 16px;
    color: #8899a6;
    max-width: 600px;
    margin: 0 auto;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    max-width: 1400px;
    margin: 0 auto;
}

.advantage-card {
    background: linear-gradient(135deg, rgba(20, 40, 60, 0.6), rgba(15, 30, 50, 0.8));
    border: 1px solid rgba(30, 90, 62, 0.2);
    border-radius: 20px;
    padding: 40px 30px;
    text-align: center;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.advantage-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #1e5a3e, #3d8a65, #1e5a3e);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.advantage-card:hover {
    transform: translateY(-10px);
    border-color: rgba(30, 90, 62, 0.5);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
}

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

.advantage-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 25px;
    background: linear-gradient(135deg, rgba(30, 90, 62, 0.3), rgba(13, 74, 53, 0.4));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.advantage-icon img {
    width: 45px;
    height: 45px;
    object-fit: contain;
}

.advantage-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 15px;
    color: #ffffff;
}

.advantage-card p {
    font-size: 14px;
    color: #8899a6;
    line-height: 1.7;
}

/* ========================================
   服务板块
======================================== */
.services-section {
    background: linear-gradient(180deg, #0d1f35 0%, #0a1628 100%);
}

.services-container {
    max-width: 1400px;
    margin: 0 auto;
}

.services-tabs {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.service-tab {
    padding: 12px 30px;
    background: rgba(30, 90, 62, 0.15);
    border: 1px solid rgba(30, 90, 62, 0.3);
    border-radius: 30px;
    font-size: 15px;
    color: #a0aec0;
    cursor: pointer;
    transition: all 0.3s ease;
}

.service-tab:hover,
.service-tab.active {
    background: linear-gradient(135deg, #1e5a3e, #2d7a55);
    border-color: #3d8a65;
    color: #ffffff;
}

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

.service-card {
    background: linear-gradient(135deg, rgba(25, 45, 70, 0.5), rgba(18, 35, 55, 0.7));
    border: 1px solid rgba(30, 90, 62, 0.2);
    border-radius: 20px;
    padding: 35px;
    transition: all 0.4s ease;
}

.service-card:hover {
    transform: translateY(-5px);
    border-color: rgba(30, 90, 62, 0.5);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
}

.service-card-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, rgba(30, 90, 62, 0.3), rgba(45, 122, 85, 0.4));
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.service-card-icon img {
    width: 32px;
    height: 32px;
    object-fit: contain;
}

.service-card h3 {
    font-size: 19px;
    font-weight: 600;
    margin-bottom: 12px;
    color: #ffffff;
}

.service-card p {
    font-size: 14px;
    color: #8899a6;
    line-height: 1.7;
    margin-bottom: 20px;
}

.service-features {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.service-feature {
    padding: 5px 12px;
    background: rgba(30, 90, 62, 0.2);
    border-radius: 15px;
    font-size: 12px;
    color: #5db888;
}

/* ========================================
   案例展示
======================================== */
.cases-section {
    background: linear-gradient(180deg, #0a1628 0%, #0d1f35 100%);
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 35px;
    max-width: 1400px;
    margin: 0 auto;
}

.case-card {
    background: linear-gradient(135deg, rgba(20, 40, 60, 0.6), rgba(15, 30, 50, 0.8));
    border: 1px solid rgba(30, 90, 62, 0.2);
    border-radius: 20px;
    overflow: hidden;
    transition: all 0.4s ease;
}

.case-card:hover {
    transform: translateY(-8px);
    border-color: rgba(30, 90, 62, 0.5);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
}

.case-image {
    position: relative;
    height: 220px;
    overflow: hidden;
}

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

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

.case-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 0%, rgba(10, 22, 40, 0.9) 100%);
    display: flex;
    align-items: flex-end;
    padding: 20px;
}

.case-category {
    padding: 5px 15px;
    background: linear-gradient(135deg, #1e5a3e, #2d7a55);
    border-radius: 15px;
    font-size: 12px;
    color: #ffffff;
}

.case-content {
    padding: 25px;
}

.case-content h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 10px;
    color: #ffffff;
}

.case-content p {
    font-size: 14px;
    color: #8899a6;
    line-height: 1.6;
    margin-bottom: 15px;
}

.case-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: #5db888;
    font-weight: 600;
}

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

/* ========================================
   资讯列表
======================================== */
.news-section {
    background: linear-gradient(180deg, #0d1f35 0%, #0a1628 100%);
}

.news-container {
    max-width: 1400px;
    margin: 0 auto;
}

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

.news-tab {
    padding: 10px 25px;
    background: transparent;
    border: 1px solid rgba(30, 90, 62, 0.3);
    border-radius: 25px;
    font-size: 14px;
    color: #a0aec0;
    cursor: pointer;
    transition: all 0.3s ease;
}

.news-tab:hover,
.news-tab.active {
    background: linear-gradient(135deg, #1e5a3e, #2d7a55);
    border-color: #3d8a65;
    color: #ffffff;
}

.news-list {
    display: grid;
    gap: 25px;
}

.news-item {
    display: flex;
    gap: 25px;
    background: linear-gradient(135deg, rgba(25, 45, 70, 0.4), rgba(18, 35, 55, 0.6));
    border: 1px solid rgba(30, 90, 62, 0.2);
    border-radius: 15px;
    padding: 20px;
    transition: all 0.3s ease;
}

.news-item:hover {
    border-color: rgba(30, 90, 62, 0.4);
    background: linear-gradient(135deg, rgba(25, 45, 70, 0.6), rgba(18, 35, 55, 0.8));
}

.news-item-image {
    width: 200px;
    height: 140px;
    flex-shrink: 0;
    border-radius: 10px;
    overflow: hidden;
}

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

.news-item:hover .news-item-image img {
    transform: scale(1.05);
}

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

.news-item-title {
    font-size: 18px;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 10px;
    line-height: 1.4;
}

.news-item-excerpt {
    font-size: 14px;
    color: #8899a6;
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-item-meta {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-top: 15px;
}

.news-item-date {
    font-size: 13px;
    color: #5db888;
}

.news-item-more {
    font-size: 13px;
    color: #5db888;
    display: flex;
    align-items: center;
    gap: 5px;
}

/* ========================================
   联系咨询
======================================== */
.contact-section {
    background: linear-gradient(135deg, rgba(10, 22, 40, 0.95), rgba(13, 33, 55, 0.9)),
                url('../images/contact-bg.jpg') center/cover no-repeat;
}

.contact-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.contact-info h2 {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #ffffff, #a8d5ba);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.contact-info-desc {
    font-size: 16px;
    color: #8899a6;
    margin-bottom: 30px;
    line-height: 1.7;
}

.contact-features {
    display: grid;
    gap: 20px;
    margin-bottom: 30px;
}

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

.contact-feature-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, rgba(30, 90, 62, 0.3), rgba(45, 122, 85, 0.4));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.contact-feature-icon img {
    width: 26px;
    height: 26px;
    object-fit: contain;
}

.contact-feature-text h4 {
    font-size: 16px;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 3px;
}

.contact-feature-text p {
    font-size: 13px;
    color: #8899a6;
}

.contact-form-wrapper {
    background: linear-gradient(135deg, rgba(25, 45, 70, 0.7), rgba(18, 35, 55, 0.9));
    border: 1px solid rgba(30, 90, 62, 0.3);
    border-radius: 25px;
    padding: 40px;
}

.contact-form-title {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 30px;
    color: #ffffff;
}

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

.form-group label {
    display: block;
    font-size: 14px;
    color: #a0aec0;
    margin-bottom: 8px;
}

.form-control {
    width: 100%;
    padding: 14px 18px;
    background: rgba(10, 22, 40, 0.6);
    border: 1px solid rgba(30, 90, 62, 0.3);
    border-radius: 10px;
    color: #ffffff;
    font-size: 15px;
    transition: all 0.3s ease;
}

.form-control:focus {
    outline: none;
    border-color: #3d8a65;
    box-shadow: 0 0 0 3px rgba(61, 138, 101, 0.2);
}

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

.submit-btn {
    width: 100%;
    padding: 16px;
    background: linear-gradient(135deg, #1e5a3e, #2d7a55);
    border: none;
    border-radius: 10px;
    color: #ffffff;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(30, 90, 62, 0.5);
}

/* ========================================
   页脚
======================================== */
.footer {
    background: linear-gradient(180deg, #050d1a 0%, #030810 100%);
    border-top: 1px solid rgba(30, 90, 62, 0.2);
    padding: 60px 0 30px;
}

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

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

.footer-brand .logo {
    margin-bottom: 20px;
}

.footer-brand-desc {
    font-size: 14px;
    color: #8899a6;
    line-height: 1.7;
    margin-bottom: 25px;
}

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

.social-link {
    width: 40px;
    height: 40px;
    background: rgba(30, 90, 62, 0.2);
    border: 1px solid rgba(30, 90, 62, 0.3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.social-link:hover {
    background: linear-gradient(135deg, #1e5a3e, #2d7a55);
    border-color: #3d8a65;
    transform: translateY(-3px);
}

.social-link img {
    width: 20px;
    height: 20px;
    object-fit: contain;
}

.footer-column h4 {
    font-size: 17px;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 25px;
}

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

.footer-link {
    font-size: 14px;
    color: #8899a6;
    transition: all 0.3s ease;
}

.footer-link:hover {
    color: #5db888;
    padding-left: 5px;
}

.footer-contact-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 15px;
}

.footer-contact-icon {
    width: 35px;
    height: 35px;
    background: rgba(30, 90, 62, 0.2);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.footer-contact-icon img {
    width: 18px;
    height: 18px;
    object-fit: contain;
}

.footer-contact-text {
    font-size: 14px;
    color: #8899a6;
    line-height: 1.5;
}

.footer-bottom {
    border-top: 1px solid rgba(30, 90, 62, 0.2);
    padding-top: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-copyright {
    font-size: 14px;
    color: #667788;
}

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

.footer-bottom-link {
    font-size: 13px;
    color: #667788;
}

.footer-bottom-link:hover {
    color: #5db888;
}

/* ========================================
   内页通用样式
======================================== */
.page-banner {
    min-height: 50vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(10, 22, 40, 0.9), rgba(13, 33, 55, 0.85)),
                url('../images/page-banner-bg.jpg') center/cover no-repeat;
    position: relative;
    text-align: center;
}

.page-banner-content {
    max-width: 800px;
    padding: 0 20px;
}

.page-banner-title {
    font-size: 48px;
    font-weight: 700;
    margin-bottom: 15px;
    background: linear-gradient(135deg, #ffffff, #a8d5ba);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.page-banner-crumb {
    font-size: 14px;
    color: #8899a6;
}

.page-banner-crumb a {
    color: #5db888;
}

.page-banner-crumb span {
    margin: 0 10px;
    color: #667788;
}

.content-section {
    padding: 80px 40px;
}

/* ========================================
   新闻列表页
======================================== */
.news-page-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 60px 40px;
}

.news-page-grid {
    display: grid;
    grid-template-columns: 1fr 350px;
    gap: 50px;
}

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

.news-page-item {
    display: flex;
    gap: 30px;
    background: linear-gradient(135deg, rgba(25, 45, 70, 0.4), rgba(18, 35, 55, 0.6));
    border: 1px solid rgba(30, 90, 62, 0.2);
    border-radius: 15px;
    padding: 25px;
    transition: all 0.3s ease;
}

.news-page-item:hover {
    border-color: rgba(30, 90, 62, 0.4);
    transform: translateX(5px);
}

.news-page-item-image {
    width: 280px;
    height: 180px;
    flex-shrink: 0;
    border-radius: 12px;
    overflow: hidden;
}

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

.news-page-item:hover .news-page-item-image img {
    transform: scale(1.08);
}

.news-page-item-content {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.news-page-item-title {
    font-size: 22px;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 12px;
    line-height: 1.4;
}

.news-page-item-excerpt {
    font-size: 15px;
    color: #8899a6;
    line-height: 1.7;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 15px;
}

.news-page-item-meta {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-top: auto;
}

.news-page-item-date {
    font-size: 14px;
    color: #5db888;
}

.news-page-read-more {
    font-size: 14px;
    color: #5db888;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 6px;
}

/* 侧边栏 */
.news-sidebar {
    display: flex;
    flex-direction: column;
    gap: 35px;
}

.sidebar-widget {
    background: linear-gradient(135deg, rgba(25, 45, 70, 0.5), rgba(18, 35, 55, 0.7));
    border: 1px solid rgba(30, 90, 62, 0.2);
    border-radius: 15px;
    padding: 25px;
}

.sidebar-title {
    font-size: 18px;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid rgba(30, 90, 62, 0.3);
}

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

.sidebar-news-item {
    display: flex;
    gap: 12px;
    padding-bottom: 15px;
    border-bottom: 1px solid rgba(30, 90, 62, 0.15);
}

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

.sidebar-news-image {
    width: 80px;
    height: 60px;
    border-radius: 8px;
    overflow: hidden;
    flex-shrink: 0;
}

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

.sidebar-news-content {
    flex: 1;
}

.sidebar-news-title {
    font-size: 14px;
    font-weight: 500;
    color: #ffffff;
    line-height: 1.4;
    margin-bottom: 6px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.sidebar-news-date {
    font-size: 12px;
    color: #5db888;
}

/* ========================================
   新闻详情页
======================================== */
.news-detail-container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 60px 40px;
}

.news-detail-header {
    margin-bottom: 40px;
    padding-bottom: 30px;
    border-bottom: 1px solid rgba(30, 90, 62, 0.2);
}

.news-detail-category {
    display: inline-block;
    padding: 6px 15px;
    background: linear-gradient(135deg, #1e5a3e, #2d7a55);
    border-radius: 15px;
    font-size: 13px;
    color: #ffffff;
    margin-bottom: 15px;
}

.news-detail-title {
    font-size: 36px;
    font-weight: 700;
    color: #ffffff;
    line-height: 1.3;
    margin-bottom: 20px;
}

.news-detail-meta {
    display: flex;
    align-items: center;
    gap: 25px;
    font-size: 14px;
    color: #8899a6;
}

.news-detail-meta-item {
    display: flex;
    align-items: center;
    gap: 8px;
}

.news-detail-meta-item img {
    width: 18px;
    height: 18px;
    object-fit: contain;
}

.news-detail-cover {
    width: 100%;
    height: 450px;
    border-radius: 15px;
    overflow: hidden;
    margin-bottom: 40px;
}

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

.news-detail-content {
    font-size: 16px;
    line-height: 1.8;
    color: #c5d0dc;
}

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

.news-detail-content img {
    max-width: 100%;
    border-radius: 10px;
    margin: 25px 0;
}

/* 相关新闻 */
.related-news-section {
    margin-top: 60px;
    padding-top: 40px;
    border-top: 1px solid rgba(30, 90, 62, 0.2);
}

.related-news-title {
    font-size: 24px;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 30px;
}

.related-news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

.related-news-card {
    background: linear-gradient(135deg, rgba(25, 45, 70, 0.4), rgba(18, 35, 55, 0.6));
    border: 1px solid rgba(30, 90, 62, 0.2);
    border-radius: 12px;
    padding: 20px;
    transition: all 0.3s ease;
}

.related-news-card:hover {
    border-color: rgba(30, 90, 62, 0.4);
    transform: translateY(-5px);
}

.related-news-image {
    width: 100%;
    height: 140px;
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 15px;
}

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

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

.related-news-title-sm {
    font-size: 15px;
    font-weight: 500;
    color: #ffffff;
    line-height: 1.4;
    margin-bottom: 10px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.related-news-date {
    font-size: 12px;
    color: #5db888;
}

/* ========================================
   关于我们页
======================================== */
.about-intro-section {
    padding: 80px 40px;
}

.about-intro-container {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-image-wrapper {
    position: relative;
}

.about-main-image {
    width: 100%;
    height: 500px;
    border-radius: 20px;
    overflow: hidden;
}

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

.about-image-accent {
    position: absolute;
    bottom: -30px;
    right: -30px;
    width: 200px;
    height: 200px;
    background: linear-gradient(135deg, #1e5a3e, #2d7a55);
    border-radius: 20px;
    z-index: -1;
    opacity: 0.3;
}

.about-content h2 {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 25px;
    background: linear-gradient(135deg, #ffffff, #a8d5ba);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.about-content-text {
    font-size: 16px;
    color: #8899a6;
    line-height: 1.8;
    margin-bottom: 30px;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
    margin-top: 40px;
}

.stat-item {
    text-align: center;
    padding: 25px;
    background: linear-gradient(135deg, rgba(30, 90, 62, 0.15), rgba(13, 74, 53, 0.2));
    border: 1px solid rgba(30, 90, 62, 0.2);
    border-radius: 15px;
}

.stat-number {
    font-size: 36px;
    font-weight: 700;
    background: linear-gradient(135deg, #5db888, #3d8a65);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 14px;
    color: #8899a6;
}

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

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

.scroll-reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s ease;
}

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

/* ========================================
   响应式设计
======================================== */
@media (max-width: 1200px) {
    .advantages-grid,
    .services-grid,
    .cases-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .news-page-grid {
        grid-template-columns: 1fr;
    }
    
    .about-intro-container {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 992px) {
    .hero-title {
        font-size: 42px;
    }
    
    .section-title {
        font-size: 36px;
    }
    
    .contact-container {
        grid-template-columns: 1fr;
    }
    
    .news-page-item {
        flex-direction: column;
    }
    
    .news-page-item-image {
        width: 100%;
        height: 200px;
    }
    
    .related-news-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .header-container {
        padding: 0 20px;
    }
    
    .nav-menu {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        background: rgba(10, 22, 40, 0.98);
        flex-direction: column;
        padding: 30px 20px;
        gap: 20px;
        transform: translateY(-150%);
        opacity: 0;
        transition: all 0.4s ease;
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hero-title {
        font-size: 32px;
    }
    
    .hero-subtitle {
        font-size: 16px;
    }
    
    .advantages-grid,
    .services-grid,
    .cases-grid,
    .related-news-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .page-section {
        padding: 60px 20px;
    }
    
    .content-section {
        padding: 60px 20px;
    }
    
    .news-detail-container,
    .news-page-container {
        padding: 40px 20px;
    }
    
    .news-detail-title {
        font-size: 26px;
    }
    
    .news-detail-cover {
        height: 250px;
    }
}

@media (max-width: 576px) {
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .about-stats {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}