:root {
    --primary-color: #09F;
    --secondary-color: #09F;
    --text-color: #000000;
    --light-bg: #E6F2FF;
    --white: #ffffff;
    --card-bg: rgba(212, 175, 55, 0.1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
}
a {
    text-decoration: none;
    color: #282828;
    outline: none
}

a:hover {
    text-decoration: none;
    color: #e50914
}

html {
    -webkit-tap-highlight-color: transparent;
    -ms-text-size-adjust: 100%;
    -webkit-text-size-adjust: 100%;
    line-height: 1.6;
    font-size: 14px;
    -webkit-tap-highlight-color: transparent
}

input,button,textarea,select {
    outline: none;
    resize: none;
    border: none;
    -webkit-appearance: none;
    appearance: none;
    background: 0 0;
    color: inherit;
    font: inherit
}

body,input,textarea,select,button {
    -webkit-touch-callout: none;
    -webkit-font-smoothing: antialiased;
    font-family: -apple-system-font,BlinkMacSystemFont,helvetica neue,pingfang sc,hiragino sans gb,microsoft yahei ui,microsoft yahei,Arial,sans-serif
}
body {
    color: #282828;
    background: #f7f8f9
}

body {
    color: var(--text-color);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
    width: 100%;
    max-width: 100vw;
    background: transparent;
}



section {
    position: relative;
    overflow: hidden;
    background:transparent;
}

section::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        radial-gradient(circle at 20% 30%, transparent 1px, transparent 1px),
        radial-gradient(circle at 80% 70%, transparent 1px, transparent 1px);
    background-size: 150px 150px;
    animation: particleMove 15s infinite alternate;
    z-index: -1;
}

section::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: transparent;
    pointer-events: none;
    z-index: -1;
}

/* 修改标题栏背景颜色为#09F */
.main-header {
    background-color: #26BFFA;
}


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


.main-header {
    background: #26BFFA;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    padding: 15px 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(48, 122, 207, 0.3);
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.main-header.hidden-header {
    transform: translateY(-100%);
    opacity: 0;
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
    position: relative;
}

/* 汉堡菜单按钮 */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    width: 30px;
    height: 30px;
    flex-direction: column;
    justify-content: space-between;
    cursor: pointer;
    z-index: 1001;
}

.menu-toggle span {
    display: block;
    width: 100%;
    height: 3px;
    background: white;
    transition: all 0.3s ease;
    border-radius: 2px;
}

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

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

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

/* 导航栏样式 */
.main-nav {
    flex: 1;
    margin: 0 30px;
}

.main-nav ul {
    display: flex;
    list-style: none;
    gap: 15px;
    justify-content: center;
    align-items: center;
}

.main-nav > ul > li {
    text-align: center;
    padding-bottom: 10px;
    
}

.main-nav a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    position: relative;
    padding: 5px 0;
    transition: color 0.3s ease;
    font-size: 18px;
    display: block;
    width: 100%;
}

/*一级列表的背景颜色变化*/
.main-nav a:hover {
    color: white;
}
/*.main-nav a::after为下划线样式比如背景颜色*/
.main-nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: white;
    transition: width 0.3s ease;
}

.main-nav a:hover::after {
    width: 100%;
}

.main-nav a.active {
    color: var(--primary-color);
    font-weight: 600;
}

.main-nav a.active::after {
    width: 100%;
}



/* 二级菜单样式 */
.main-nav ul ul {
    display: none;
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: #26BFFA;
    min-width: 160px;
    padding: 20px 0 10px 0;
    border-radius: 0 0 8px 8px;
    text-align: center;
}

.main-nav > ul > li {
    padding-bottom: 10px;
}

.main-nav li {
    position: relative;
}

.main-nav li:hover > ul {
    display: block;
}

.main-nav ul ul li {
    padding: 5px 20px;
}

.main-nav ul ul a {
    color: white;
    padding: 5px 0;
    white-space: nowrap;
    font-size: 14px;
}
/*二级列表标题颜色变化*/
.main-nav ul ul a:hover {
    color: white;
}


.head-logo {
    margin-right: 5px;
    font-size: 26px;
    font-weight: 700;
    color:white;
    white-space: nowrap;
}

.head-logo {
    font-size: 26px;
    font-weight: 700;
    color:white;
    white-space: nowrap;
}

.language-selector select {
    padding: 2.5px 25px 2.5px 10px;
    border: 1px solid #e5e7eb;
    border-radius: 4px;
    background-color: var(--white);
    appearance: none;
    position: relative;
}

.language-selector {
    position: relative;
    margin-right: 20px;
}

.language-selector::after {
    content: ">";
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%) rotate(90deg);
    pointer-events: none;
    color: #666;
    font-weight: bold;
}

.hero {
    height: 100vh;
    position: relative;
    overflow: hidden;
}

.hero .container {
    height: 100%;
    padding: 0;
}

.hero-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center;
    background-color: white;
}

/* 轮播图样式 */
.hero-carousel {
    width: 100%;
    height: 100%;
    width: 100vw;
    margin-left: calc(-50vw + 50%);
    position: relative;
    overflow: hidden;
    background-color: #E6F2FF;
}

.carousel-container {
    width: 100%;
    height: 100%;
    position: relative;
}

.carousel-slides {
    display: flex;
    width: 100%;
    height: 100%;
    transition: transform 0.5s ease;
}

.carousel-slide {
    min-width: 100%;
    height: 100%;
    position: relative;
}

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

.carousel-nav {
    position: absolute;
    bottom: 20px;
    left: 0;
    right: 0;
    display: flex;
    justify-content: center;
    gap: 10px;
    z-index: 10;
}

.carousel-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: white;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

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

.carousel-dot:hover {
    background-color: white
}

/* 轮播动画 */
@keyframes slide {
    0%, 100% {
        transform: translateX(0);
    }
    33.33% {
        transform: translateX(-100%);
    }
    66.66% {
        transform: translateX(-200%);
    }
}

/* 鼠标悬停暂停 */
.hero-carousel:hover .carousel-slides {
    animation-play-state: paused;
}

.hero h1 {
    font-size: 48px;
    margin-bottom: 20px;
}

.hero p {
    font-size: 20px;
    opacity: 0.9;
}

.stats {
    padding: 80px 0;
    background: transparent;
    text-align: center;
}

.stats h2 {
    font-size: 36px;
    margin-bottom: 40px;
    color: #0066cc;
}

.stats-grid {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: 30px;
}

.stat-item {
    flex: 1;
    min-width: 200px;
}

.stat-number {
    font-size: 48px;
    font-weight: 700;
    color: #ffd23e;
    margin-bottom: 10px;
}

.stat-label {
    font-size: 18px;
    color: #000000;
}

/* 经营理念样式 */
.fullscreen-section {
    width: 100vw;
    height: 100vh;
    background-color: transparent;
    display: flex;
    justify-content: center;
    align-items: center;
}
  
/* 经营理念容器 */
.philosophy-container {
    display: flex;
    width: 100%;
    height: 100%;
}

/* 经营理念左侧内容 */
.philosophy-left {
    width: 33.34%;
    padding-right: 10%;
    display: flex;
    justify-content: flex-end;
    background-color: transparent;
}
.philosophy-left-1 {
    margin-top: 60px;
    padding-top: 40%;
    width: 280px;
    height: auto;
    margin-left: auto;
}

.philosophy-left h2 {
    font-size: 48px;
    color: #0066cc;
    margin-bottom: 5px;
    font-weight: 700;
}

.philosophy-left p {
    font-size: 18px;
    line-height: 1.8;
    padding-left: 10px;
    border-left: 3px solid #0066cc;
    margin-top: 15px;
    font-weight: 400;
}


 /* 经营理念轮播图容器 */
.philosophy-carousel-container {
    width: 66.66%;
    height: 100%;
    overflow: hidden;
    background-color: transparent;
}
.philosophy-carousel-button-box {
    width: 100%;
    height: 66.67%;
    position: relative;
    margin-top: 10%;
}
  
/* 经营理念控制按钮 */
.philosophy-carousel-control {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: transparent;
    color: transparent;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    z-index: 10;
    background-repeat: no-repeat;
    background-position: center;
    background-size: 60%;
    transition: all 0.3s ease;
}
  
.philosophy-carousel-control.prev {
    left: 20px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23000'%3E%3Cpath d='M15.41 16.59L10.83 12l4.58-4.59L14 6l-6 6 6 6 1.41-1.41z'/%3E%3C/svg%3E");
    background-size: 60%;
}
  
.philosophy-carousel-control.next {
    right: 20px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23000'%3E%3Cpath d='M8.59 16.59L13.17 12 8.59 7.41 10 6l6 6-6 6-1.41-1.41z'/%3E%3C/svg%3E");
    background-size: 60%;
}
  
.philosophy-carousel-control:hover {
    background-color: #26BFFA;
}
  
.philosophy-carousel-control:hover {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23fff'%3E%3Cpath d='M15.41 16.59L10.83 12l4.58-4.59L14 6l-6 6 6 6 1.41-1.41z'/%3E%3C/svg%3E");
}
  
.philosophy-carousel-control.next:hover {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23fff'%3E%3Cpath d='M8.59 16.59L13.17 12 8.59 7.41 10 6l6 6-6 6-1.41-1.41z'/%3E%3C/svg%3E");
}

/* 经营理念轮播图 */
.philosophy-carousel {
    width: 84%;
    height: 100%;
    margin: 0 auto;
    display: block;
    overflow: hidden;
}
  
.philosophy-carousel-track {
    display: flex;
    height: 100%;
    transition: transform 0.5s ease;
}
  
.philosophy-carousel-slide {
    min-width: 100%;
    height: 100%;
}
  
.philosophy-carousel img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}
  

/* 行为规范样式 */
.standard {
    height: 100vh;
    background: transparent;
    padding: 60px 0;
    position: relative;
}

.standard-container{
    width: 100%;
    max-width: 100%;
    margin: 0 auto;
    padding: 0 20px;
    box-sizing: border-box;
}
    
.standard-content {
    width: 100%;
    height: 100%;
    margin: auto;
    position: static;
    float: none;
    top: 5%;
}
    
.standard-content {
    display: flex;
    height: 100%;
}
    
.standard-left {
    width: 66.66%;
    display: flex;
    align-items: center;
    justify-content: center;
}
    
.standard-image {
    width: 80%;
    height: 100%;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}
    
.standard-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
    
.standard-right {
    width: 33.33%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 40px;
}
    
.standard-right h2 {
    font-size: 48px;
    color: #0066cc;
    text-align: left;
    margin-bottom: 5px;
    font-weight: 700;
    margin-top: -20px;
}
    
.standard-text {
    font-size: 18px;
    color: #333;
    line-height: 1.8;
    font-weight: 400;
    padding-left: 10px;
    border-left: 3px solid #0066cc;
    margin-top: 15px;
}
.standard-right a {
    display: inline-block;
    margin-top: 8px;
    font-size: 18px;
}


/* 主营业务样式 */
.services {
    padding: 100px 0;
    background: transparent;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.services::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        radial-gradient(circle at 20% 30%, rgba(255,255,255,0.1) 1px, transparent 1px),
        radial-gradient(circle at 80% 70%, rgba(255,255,255,0.1) 1px, transparent 1px);
    background-size: 150px 150px;
    animation: particleMove 15s infinite alternate;
}

.services::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

@keyframes particleMove {
    0% {
        transform: translate(0, 0);
    }
    100% {
        transform: translate(20px, 20px);
    }
}

.services h2 {
    text-align: center;
    margin-bottom: 40px;
    font-size: 36px;
    color: #0066cc;
}

.services-list {
    max-width: 800px;
    margin: 0 auto;
}

.service-item {
    margin-bottom: 30px;
    border: 1px solid rgba(0, 153, 255, 0.3);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
    background-color: rgba(0, 153, 255, 0.1);
    backdrop-filter: blur(8px);
    padding: 20px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.service-item h3 {
    padding: 20px;
    margin: 0 0 15px 0;
    background: linear-gradient(to right, #0077cc, #0099ff);
    cursor: pointer;
    transition: all 0.3s ease;
    color: white;
    font-size: 1.5em;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
    
}

.service-detail {
    max-height: 0;
    padding: 0 20px;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
    background-color: rgba(255,255,255,0.3);
    color: #333;
    border-radius: 8px 8px 8px 8px;
    margin-top: -15px;
    
}

.service-item:hover {
    box-shadow: 0 8px 25px rgba(0, 153, 255, 0.2);
    transform: translateY(-5px) scale(1.02);
    background-color: rgba(200, 230, 255, 0.9);
    
}

.service-item:hover h3 {
    background-color: rgba(255,255,255,0.3);
}

.service-item:hover .service-detail {
    max-height: 300px;
    padding: 25px;
    background-color: rgba(230, 242,255, 0.95);
    box-shadow: inset 0 0 15px rgba(25, 204, 255, 0.25);
    
}


/* 客户轮播样式 */
.clients {
    padding: 60px 0;
    background: transparent;
    overflow: hidden;
    position: relative;
}

.clients h2 {
    text-align: center;
    margin-bottom: 40px;
    font-size: 36px;
    color: #0066cc;
}

.clients-carousel {
    width: 100vw;
    max-width: 100%;
    overflow: hidden;
    position: relative;
    left: 50%;
    transform: translateX(-50%);
}

.clients-track {
    display: flex;
    gap: 40px;
    width: max-content;
    animation: scroll 30s linear infinite;
}

.clients-carousel:hover .clients-track {
    animation-play-state: paused;
}

.client-logo {
    width: 160px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.client-logo a {
    display: flex;
    width: 100%;
    height: 100%;
    align-items: center;
    justify-content: center;
}

.client-logo img {
    max-width: 100%;
    max-height: 100%;
    opacity: 0.9;
    transition: all 0.3s ease;
}

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

@keyframes scroll {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}



/* 回到顶部按钮 */
#back-to-top {
    position: fixed;
    bottom: 40px;
    right: 20px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: #26BFFA;
    color: white;
    border: 1px solid rgba(255,255,255,0.2);
    cursor: pointer;
    font-size: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
    z-index: 99;
    transform: translateY(20px);
    overflow: hidden;
}

#back-to-top.visible {
    opacity: 0.95;
    visibility: visible;
    transform: translateY(0);
}

#back-to-top:hover {
    opacity: 1;
    transform: translateY(-5px);
}

#back-to-top::before {
    content: "";
    display: block;
    width: 100%;
    height: 100%;
    background-image:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 14 10' fill='white'%3E%3Cpath fill-rule='evenodd' clip-rule='evenodd' d='M.315 6.44a1.002 1.002 0 0 1 0-1.46L6.238.302a1.11 1.11 0 0 1 1.523 0c.421.403.421 1.057 0 1.46L1.838 6.44a1.11 1.11 0 0 1-1.523 0z'/%3E%3Cpath fill-rule='evenodd' clip-rule='evenodd' d='M13.685 6.44a1.11 1.11 0 0 1-1.523 0L6.238 1.762a1.002 1.002 0 0 1 0-1.46 1.11 1.11 0 0 1 1.523 0l5.924 4.678c.42.403.42 1.056 0 1.46z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: center center;
    background-size: 40%;
    transition: all 0.3s ease;
}



@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(0, 102, 204, 0.7);
    }
    70% {
        box-shadow: 0 0 0 15px rgba(0, 102, 204, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(0, 102, 204, 0);
    }
}

/* 新闻板块样式 */
.news{
    margin-top: 20px;
    padding-bottom: 10px;
}

.news h2 {
text-align: center;
margin-bottom: 40px;
font-size: 36px;
color: #0066cc;
}

.news-grid {
display: grid;
grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
gap: 30px;
max-width: 1200px;
margin: 0 auto;
}

.news-item {
    border: none;
    border-radius: 12px;
    padding: 15px 15px 0 15px;
    cursor: pointer;
    background-color: white;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    height: 100%;
    transition: transform 0.3s ease;
}

.news-item:hover {
    transform: translateY(-5px);
}

.news-image-container {
    width: 100%;
    height: 180px;
    margin-bottom: 15px;
    border-radius: 8px;
    overflow: hidden;
    position: relative;
}

.news-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.news-title {
    font-size: 1.3rem;
    margin: 0 0 8px 0;
    color: black !important;
    font-weight: 600;
    line-height: 1.8em;
    height: 3.6em;
    transition: color 0.3s ease;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}

.news-meta-container {
    margin-top: auto;
    padding-bottom: 15px;
}

.news-date {
    font-size: 0.8rem;
    color: #666;
    font-weight: 500;
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 5px;
}

.clock-icon {
    color: #999;
    font-size: 0.9em;
    display: inline-block;
}

/* 图片全屏模态框样式 */
.image-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    z-index: 1000;
    justify-content: center;
    align-items: center;
    cursor: pointer;
}

.image-modal.active {
    display: flex;
}

.image-modal-content {
    max-width: 90%;
    max-height: 90%;
    object-fit: contain;
}

.image-modal-close {
    position: absolute;
    top: 20px;
    right: 30px;
    color: white;
    font-size: 35px;
    font-weight: bold;
    cursor: pointer;
    z-index: 1001;
}

.image-modal-controls {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 15px;
    z-index: 1001;
}

.image-modal-controls button {
    background: rgba(0,0,0,0.5);
    color: white;
    border: 2px solid white;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    font-size: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 0;
}

.image-modal-controls button img {
    display: block;
    margin: auto;
}

.image-modal-controls button:hover {
    background: rgba(0,0,0,0.8);
    transform: scale(1.1);
}

/* 页脚样式 */
footer {
    background-color: #26BFFA;
    margin: 20px 0;
    padding: 60px 0 40px;
    color: white;
}

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

.footer-grid {
    display: grid;
    grid-template-columns: 2.5fr 1fr 1fr 1fr;
    gap: 20px;
    margin-bottom: 40px;
}


.footer-section {
    padding: 10px;
}

.footer-logo {
    height: auto;
    margin-bottom: 20px;
    color: white;
}



.company-description {
    margin-bottom: 20px;
    line-height: 1.6;
    color: rgba(255,255,255,0.9);
    font-size: 18px;
}

.footer-title {
    font-size: 20px;
    color: white;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.footer-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 2px;
    background-color: white;
}

.footer-section ul {
    list-style: none;
}

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

.footer-section a {
    color: rgba(255,255,255,0.9);
    text-decoration: none;
    transition: all 0.3s ease;
}

.footer-section a:hover {
    color: white;
    text-decoration: underline;
}

address p {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255,255,255,0.2);
    color: white;
}

.legal-links {
    margin-top: 15px;
    display: flex;
    justify-content: center;
    gap: 20px;
}

.legal-links a {
    color: white;
    font-size: 14px;
    opacity: 0.8;
}

.legal-links a:hover {
    opacity: 1;
    text-decoration: underline;
}




/* 首页动态卡片日期样式 */
.home-news-date {
    color: #333 !important;
}

.home-news-date:hover {
    color: #333 !important;
}

/* 二级菜单样式 - 移除动画相关代码 */
.main-nav ul ul {
    display: none; /* 只保留基本显示控制 */
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: #26BFFA;
    min-width: 160px;
    padding: 20px 0 10px 0;
    border-radius: 0 0 8px 8px;
    text-align: center;
}

.main-nav > ul > li {
    padding-bottom: 10px;
}

.main-nav li {
    position: relative;
}

.main-nav li:hover > ul {
    display: block; /* 只保留显示，不添加动画 */
}

.main-nav ul ul li {
    padding: 5px 20px;
}

.main-nav ul ul a {
    color: white;
    padding: 5px 0;
    white-space: nowrap;
    font-size: 14px;
}

/* 移除二级列表标题的动画效果 */
.main-nav ul ul a:hover {
    color: white;
}

/* ====================== 响应式设计 ====================== */

/* 平板 (768px - 991px) */
@media (max-width: 991.98px) {
    /* 导航栏 */
    .menu-toggle {
        display: flex;
    }
    
    /* 移除导航栏过渡动画 */
    .main-nav {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100vw;
        margin: 0;
        padding: 0; /* 移除内边距 */
        background: #26BFFA;
        display: none; /* 改为display控制 */
        z-index: 999;
        /*box-shadow: 0 4px 10px rgba(0,0,0,0.2);*/
        max-height: calc(100vh - 70px);
        overflow-y: auto;
    }
    
    /* 移除过渡效果，只控制显示 */
    .main-nav.active {
        display: block;
    }
    
    .main-nav > ul {
        width: 100%;
        margin: 0;
        padding: 0;
    }
    
    .main-nav ul {
        flex-direction: column;
        gap: 0;
        width: 100%;
    }
    
    .main-nav > ul > li {
        width: 100%;
        text-align: left;
        padding: 0;
        /*border-bottom: 1px solid rgba(255,255,255,0.1);*/
    }
    
    .main-nav a {
        display: block;
        width: 100%;
        padding: 15px 20px;
        font-size: 16px;
        box-sizing: border-box;
        border-bottom: none; /* 确保没有下边框 */
    }
    /* 修复二级菜单与一级菜单之间的间隙 */
    .main-nav > ul > li:last-child {
        border-bottom: none; /* 移除最后一个菜单项的下边框 */
    }
    
    /* 移动端二级菜单样式 - 移除动画 */
    .main-nav ul ul {
        position: static;
        transform: none;
        background: rgba(0,0,0,0.1);
        padding: 0; /* 移除内边距 */
        margin: 0; /* 移除外边距 */
        min-width: 100%;
        border-radius: 0;
        display: none; /* 保持隐藏 */
        border-top: 1px solid rgba(255,255,255,0.1); /* 添加上边框区分 */
    }
    
    .main-nav ul ul li {
        padding: 0;
        width: 100%;
        border-bottom: 1px solid rgba(255,255,255,0.05); /* 二级菜单项之间的分隔线 */
    }
    
    .main-nav ul ul a {
        display: block;
        width: 100%;
        padding: 12px 20px 12px 40px; /* 调整内边距 */
        font-size: 14px;
        box-sizing: border-box;
        border-bottom: none; /* 移除下边框 */
    }
    
    /* 确保二级菜单项之间没有间隙 */
    .main-nav ul ul li:last-child {
        border-bottom: none;
    }
    
    /* 完全移除下拉箭头相关样式 */
    /* 删除 .main-nav li.has-submenu > a::after 相关代码 */

    .hero-carousel {
        width: 100%;
        margin-left: 0 !important; /* 修复左右遮挡 */
        left: 0 !important;
        position: relative;
        aspect-ratio: 16 / 9;
    }
    
    .carousel-container {
        width: 100%;
        height: 100%;
        position: relative;
    }
    
    .carousel-slides {
        display: flex;
        width: 100%;
        height: 100%;
        transition: transform 0.5s ease;
    }
    
    .carousel-slide {
        min-width: 100%;
        height: 100%;
        position: relative;
        display: flex;
        align-items: center;
        justify-content: center;
        background-color: #f5f5f5; /* 添加背景色防止空白 */
    }
    
    .hero-image {
        width: 100%;
        height: 100%;
        object-fit: contain; /* 改为contain，保持完整图片 */
        background-color: #f5f5f5;
    }
    .hero {
        height: auto; /* 改为自动高度 */
        min-height: 0; /* 移除最小高度 */
    }
    
    /* 经营理念部分 */
    .fullscreen-section {
        height: auto;
        padding: 60px 0;
    }
    
    .philosophy-container {
        flex-direction: column;
        height: auto;
    }
    
    .philosophy-left {
        width: 100%;
        padding: 0 20px;
        justify-content: center;
        margin-bottom: 40px;
    }
    
    .philosophy-left-1 {
        margin-top: 0;
        padding-top: 0;
        width: 100%;
        max-width: 500px;
        text-align: center;
    }
    
    .philosophy-carousel-container {
        width: 100%;
        height: 400px;
    }
    
    .philosophy-carousel-button-box {
        margin-top: 0;
        height: 100%;
    }
    
    /* 行动规范部分 */
    .standard {
        height: auto;
        padding: 60px 0;
    }
    
    .standard-content {
        flex-direction: column;
        height: auto;
    }
    
    .standard-left {
        width: 100%;
        height: 400px;
        margin-bottom: 40px;
    }
    
    .standard-image {
        width: 100%;
    }
    
    .standard-right {
        width: 100%;
        padding: 0 20px;
    }
    
    .standard-right h2 {
        font-size: 36px;
        text-align: center;
        margin-top: 0;
    }
    
    .standard-text {
        text-align: center;
        padding-left: 0;
        border-left: none;
        border-top: 3px solid #0066cc;
        padding-top: 15px;
    }
    
    /* 主营业务部分 */
    .services {
        padding: 60px 0;
    }
    
    .service-item h3 {
        font-size: 1.2em;
        padding: 15px;
    }
    .service-item {
        -webkit-tap-highlight-color: rgba(0, 153, 255, 0.2);
        tap-highlight-color: rgba(0, 153, 255, 0.2);
    }
    
    /* 移动端触摸激活状态 */
    .service-item.mobile-active {
        box-shadow: 0 8px 25px rgba(0, 153, 255, 0.2);
        transform: translateY(-5px) scale(1.02);
        background-color: rgba(200, 230, 255, 0.9);
    }
    
    .service-item.mobile-active h3 {
        background-color: rgba(255,255,255,0.3);
    }
    
    .service-item.mobile-active .service-detail {
        max-height: 300px !important;
        padding: 25px !important;
        background-color: rgba(230, 242, 255, 0.95);
        box-shadow: inset 0 0 15px rgba(25, 204, 255, 0.25);
        transition: max-height 0.3s ease, padding 0.3s ease;
    }
    
    /* 确保服务详情初始状态 */
    .service-item .service-detail {
        max-height: 0;
        padding: 0 20px;
        overflow: hidden;
        transition: max-height 0.3s ease, padding 0.3s ease;
        background-color: rgba(255,255,255,0.3);
        color: #333;
        border-radius: 8px 8px 8px 8px;
        margin-top: -15px;
    }
    
    /* 客户轮播 */
    .client-logo {
        width: 140px;
        height: 70px;
    }
    
    /* 页脚 */
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 30px;
    }
    
    /* 字体大小调整 */
    .philosophy-left h2,
    .standard-right h2,
    .services h2,
    .stats h2,
    .clients h2,
    .news h2 {
        font-size: 32px;
    }
    
    .stat-number {
        font-size: 36px;
    }
    
    .hero h1 {
        font-size: 36px;
    }
    .other-page .main-nav {
        display: flex !important;
        position: static !important;
        transform: none !important;
        background: transparent !important;
        height: auto !important;
        max-height: none !important;
        overflow: visible !important;
    }
    
    .other-page .main-nav > ul {
        flex-direction: row !important;
        justify-content: center !important;
        flex-wrap: wrap !important;
        gap: 10px !important;
    }
    
    .other-page .main-nav > ul > li {
        /*border-bottom: none !important;*/
        width: auto !important;
        position: relative !important;
        padding-bottom: 10px !important;
    }
    
    .other-page .main-nav a {
        padding: 8px 15px !important;
        font-size: 15px !important;
        white-space: nowrap !important;
    }
    
    .other-page .menu-toggle {
        display: none !important;
    }
    
    /* 关键：修复二级菜单定位 */
    .other-page .main-nav ul ul {
        position: absolute !important;
        top: 100% !important; /* 放在导航栏下方 */
        left: 50% !important;
        transform: translateX(-50%) !important;
        background: #26BFFA !important;
        min-width: 160px !important;
        padding: 20px 0 10px 0 !important;
        border-radius: 0 0 8px 8px !important;
        text-align: center !important;
        display: none !important;
        z-index: 1000 !important;
        margin-top: 0 !important;
        /*box-shadow: 0 4px 12px rgba(0,0,0,0.15) !important;*/
    }
    
    .other-page .main-nav li:hover > ul {
        display: block !important;
    }
    
    .other-page .main-nav ul ul li {
        padding: 8px 20px !important;
        /*border-bottom: 1px solid rgba(255,255,255,0.1) !important;*/
        width: 100% !important;
        box-sizing: border-box !important;
    }
    
    .other-page .main-nav ul ul a {
        padding: 5px 0 !important;
        font-size: 14px !important;
        text-align: center !important;
        display: block !important;
        width: 100% !important;
    }
    
    .other-page .main-nav ul ul li:last-child {
        border-bottom: none !important;
    }
    
    /* 确保标题栏高度固定，不会因二级菜单展开而改变 */
    .other-page .main-header {
        min-height: 70px !important;
        overflow: visible !important;
    }
}

/* 手机 (576px - 767px) */
@media (max-width: 767.98px) {
    .main-nav {
        top: 65px;
        max-height: calc(100vh - 65px);
    }
    
    .main-nav a {
        padding: 12px 20px;
        font-size: 15px;
    }
    
    .main-nav ul ul a {
        padding: 10px 20px 10px 35px; /* 调整二级菜单内边距 */
        font-size: 13px;
    }

    .hero-carousel {
        aspect-ratio: 4 / 3; /* 手机端更适合4:3比例 */
    }

    
    /* 统计数字 */
    .stats-grid {
        flex-direction: column;
        gap: 40px;
    }
    
    .stat-item {
        width: 100%;
    }
    
    /* 经营理念轮播按钮 */
    .philosophy-carousel-control {
        width: 35px;
        height: 35px;
    }
    
    .philosophy-carousel-control.prev {
        left: 10px;
    }
    
    .philosophy-carousel-control.next {
        right: 10px;
    }
    
    /* 新闻网格 */
    .news-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    /* 页脚 */
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-section {
        text-align: center;
    }
    
    .footer-title::after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    /* 回到顶部按钮 */
    #back-to-top {
        bottom: 20px;
        right: 15px;
        width: 35px;
        height: 35px;
    }
    
    /* 字体调整 */
    .philosophy-left h2,
    .standard-right h2,
    .services h2,
    .stats h2,
    .clients h2,
    .news h2 {
        font-size: 28px;
    }
    
    .philosophy-left p,
    .standard-text {
        font-size: 16px;
    }
    
    .company-description {
        font-size: 16px;
    }

    .other-page .main-nav > ul {
        gap: 8px !important;
    }
    
    .other-page .main-nav a {
        font-size: 13px !important;
        padding: 6px 10px !important;
    }
    
    /* 简化二级菜单以适应小屏幕 */
    .other-page .main-nav ul ul {
        min-width: 140px !important;
        padding: 15px 0 8px 0 !important;
    }
    
    .other-page .main-nav ul ul a {
        font-size: 12px !important;
    }
}

/* 小手机 (< 576px) */
@media (max-width: 575.98px) {
    .main-nav {
        top: 60px;
        max-height: calc(100vh - 60px);
    }
    
    .main-nav a {
        padding: 10px 15px;
        font-size: 14px;
    }
    
    .main-nav ul ul a {
        padding: 8px 15px 8px 30px;
        font-size: 12px;
    }
    .hero-carousel {
        aspect-ratio: 16 / 9; /* 小手机使用正方形 */
    }
    
    /* 经营理念轮播 */
    .philosophy-carousel-container {
        height: 300px;
    }
    
    /* 行动规范图片 */
    .standard-left {
        height: 300px;
    }
    
    /* 行动规范文字部分 - 新增居中样式 */
    .standard-right {
        text-align: center; /* 添加这一行让所有内容居中 */
        padding: 0 20px; /* 调整内边距 */
    }
    
    .standard-right h2 {
        text-align: center; /* 确保标题也居中 */
        margin-top: 0; /* 调整上边距 */
    }
    
    .standard-text {
        text-align: center; /* 确保文本居中 */
        padding-left: 0; /* 移除左边内边距 */
        border-left: none; /* 移除左边框 */
        border-top: 3px solid #0066cc; /* 添加上边框 */
        padding-top: 15px; /* 添加上边内边距 */
    }
    
    /* 行动规范中的链接居中 */
    .standard-right a {
        display: block; /* 改为块级元素 */
        text-align: center; /* 文字居中 */
        margin: 15px auto 0 auto; /* 上下外边距，水平居中 */
        width: fit-content; /* 宽度适应内容 */
    }
    
    /* 客户轮播 */
    .client-logo {
        width: 120px;
        height: 60px;
    }
    
    /* 主营业务 */
    .service-item {
        padding: 15px;
    }
    
    .service-item h3 {
        font-size: 1.1em;
        padding: 12px;
    }
    
    /* 字体大小 */
    .philosophy-left h2,
    .standard-right h2,
    .services h2,
    .stats h2,
    .clients h2,
    .news h2 {
        font-size: 24px;
        margin-bottom: 30px;
    }
    
    .stat-number {
        font-size: 32px;
    }
    
    .hero h1 {
        font-size: 28px;
    }
    
    /* 页脚 */
    .footer-bottom p {
        font-size: 14px;
    }
    
    .legal-links {
        flex-direction: column;
        gap: 10px;
    }

    .other-page .main-nav > ul {
        gap: 5px !important;
    }
    
    .other-page .main-nav a {
        font-size: 12px !important;
        padding: 5px 8px !important;
    }
    
    /* 更小的二级菜单 */
    .other-page .main-nav ul ul {
        min-width: 120px !important;
        padding: 12px 0 6px 0 !important;
    }
    
    .other-page .main-nav ul ul a {
        font-size: 11px !important;
        padding: 4px 0 !important;
    }
    
    .other-page .main-header .container {
        padding: 0 10px !important;
    }
}

/* 横屏模式优化 */
@media (max-height: 600px) and (orientation: landscape) {
    .hero {
        height: 120vh;
    }
    
    .main-nav.active {
        max-height: 60vh;
    }
}

/* 高分辨率屏幕优化 */
@media (min-width: 1400px) {
    .container {
        max-width: 1320px;
    }
}

/* 打印样式 */
@media print {
    .main-header,
    .hero-carousel,
    #back-to-top,
    .image-modal {
        display: none !important;
    }
    
    body {
        color: #000;
        background: #fff;
    }
    
    .container {
        max-width: 100%;
    }
}
/* 防止页面滚动当菜单打开时 */
body.menu-open {
    overflow: hidden;
}

/* 汉堡菜单打开时，导航栏下方的内容下移 */
.main-nav.active ~ main {
    margin-top: 100px; /* 防止内容被导航菜单遮挡 */
    transition: margin-top 0.3s ease;
}