/* 主题色彩变量 - 朗新科技风格 */
:root {
    --primary-color: #00978c;
    --primary-dark: #007a70;
    --primary-light: #1aab9f;
    --primary-lighter: #33beb3;
    --primary-darker: #005a54;
    --secondary-color: #2c3e50;
    --accent-color: #e74c3c;
    --text-dark: #2c3e50;
    --text-light: #7f8c8d;
    --text-muted: #95a5a6;
    --bg-light: #f8f9fa;
    --bg-dark: #2c3e50;
    --white: #ffffff;
    --border-color: #e9ecef;

    /* 阴影系统 */
    --shadow: 0 2px 10px rgba(0,0,0,0.1);
    --shadow-hover: 0 5px 25px rgba(0,0,0,0.15);
    --shadow-primary: 0 4px 20px rgba(0,151,140,0.3);
    --shadow-primary-hover: 0 8px 30px rgba(0,151,140,0.4);

    /* 渐变系统 */
    --gradient-primary: linear-gradient(135deg, #00978c 0%, #007a70 100%);
    --gradient-primary-soft: linear-gradient(135deg, #1aab9f 0%, #00978c 100%);
    --gradient-primary-reverse: linear-gradient(135deg, #007a70 0%, #00978c 100%);
    --gradient-primary-radial: radial-gradient(circle, #00978c 0%, #007a70 100%);
    --gradient-overlay: linear-gradient(135deg, rgba(0,151,140,0.9) 0%, rgba(0,122,112,0.9) 100%);

    /* 多色渐变 */
    --gradient-rainbow: linear-gradient(135deg, #00978c 0%, #007a70 25%, #2c3e50 75%, #34495e 100%);
    --gradient-warm: linear-gradient(135deg, #33beb3 0%, #00978c 50%, #007a70 100%);
    --gradient-cool: linear-gradient(135deg, #00978c 0%, #2c3e50 100%);

    /* 背景渐变 */
    --gradient-bg-light: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    --gradient-bg-primary: linear-gradient(135deg, rgba(0,151,140,0.05) 0%, rgba(0,122,112,0.1) 100%);
    --gradient-bg-section: linear-gradient(135deg, #ffffff 0%, rgba(0,151,140,0.02) 100%);

    /* 文字渐变 */
    --gradient-text: linear-gradient(135deg, #00978c, #007a70);
    --gradient-text-light: linear-gradient(135deg, #1aab9f, #00978c);
    --gradient-text-dark: linear-gradient(135deg, #007a70, #005a54);
}

/* 彻底移除所有按钮和可点击元素的外框 */
*:focus,
*:active,
*:focus-visible,
button,
button:focus,
button:active,
button:focus-visible,
input[type="button"],
input[type="button"]:focus,
input[type="button"]:active,
input[type="submit"],
input[type="submit"]:focus,
input[type="submit"]:active,
input[type="reset"],
input[type="reset"]:focus,
input[type="reset"]:active,
.btn,
.btn:focus,
.btn:active,
.btn:focus-visible,
.tab-btn,
.tab-btn:focus,
.tab-btn:active,
.tab-btn:focus-visible,
.indicator,
.indicator:focus,
.indicator:active,
.hero-prev,
.hero-prev:focus,
.hero-prev:active,
.hero-next,
.hero-next:focus,
.hero-next:active,
.back-to-top,
.back-to-top:focus,
.back-to-top:active,
.social-link,
.social-link:focus,
.social-link:active,
a:focus,
a:active {
    outline: none !important;
    outline-width: 0 !important;
    outline-style: none !important;
    outline-color: transparent !important;
    -webkit-tap-highlight-color: transparent !important;
    -webkit-focus-ring-color: transparent !important;
    -moz-outline: none !important;
}

/* 移除移动端点击高亮 */
* {
    -webkit-tap-highlight-color: transparent !important;
    -webkit-touch-callout: none !important;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

/* 允许文本选择 */
p, span, div, h1, h2, h3, h4, h5, h6, li, td, th {
    -webkit-user-select: text;
    -moz-user-select: text;
    -ms-user-select: text;
    user-select: text;
}

/* 顶部通知栏 */
.top-notice {
    background: linear-gradient(135deg, var(--bg-dark) 0%, #34495e 100%);
    color: var(--white);
    padding: 8px 0;
    font-size: 0.875rem;
    position: relative;
    z-index: 1000;
    overflow: hidden;
}

.top-notice::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0,151,140,0.1), transparent);
    animation: shimmer 3s infinite;
}

@keyframes shimmer {
    0% { left: -100%; }
    100% { left: 100%; }
}

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

.notice-links a {
    color: var(--white);
    margin: 0 5px;
    transition: color 0.3s ease;
}

.notice-links a:hover {
    color: var(--primary-color);
}

.notice-links span {
    color: var(--text-muted);
}

/* 顶部联系栏 */
.top-bar {
    background: var(--primary-color);
    color: var(--white);
    font-size: 0.875rem;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
    z-index: 1000;
    height: 30px;
}

.top-bar-content {
    display: flex;
    align-items: center;
    padding: 0.4rem 0;
    height: 100%;
}

.phone {
    color: var(--white);
    font-size: 0.875rem;
}

/* 导航栏 */
.navbar {
    background: var(--gradient-bg-light);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow);
    position: fixed;
    top: 30px; /* 顶部栏高度 */
    left: 0;
    right: 0;
    width: 100%;
    z-index: 999;
    transition: all 0.3s ease;
    border-bottom: 1px solid rgba(0,151,140,0.1);
}

.navbar.scrolled {
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(15px);
    box-shadow: var(--shadow-hover);
    border-bottom-color: rgba(0,151,140,0.2);
}

/* 为固定导航栏和顶部栏添加页面顶部间距 */
body {
    padding-top: 120px; /* 顶部栏(30px) + 导航栏(70px) + 额外空间(20px) */
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

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

.logo img {
    height: 50px;
    margin-right: 15px;
}

.logo-text {
    font-size: 1rem;
    color: var(--text-light);
    font-weight: 400;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-item {
    position: relative;
}

.nav-link {
    color: var(--text-dark);
    font-weight: 500;
    padding: 0.5rem 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: color 0.3s ease;
}

.nav-link:hover,
.nav-item.active .nav-link {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-item.active .nav-link {
    border-bottom: 2px solid transparent;
    border-image: var(--gradient-primary) 1;
    position: relative;
}

.nav-item.active .nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--gradient-primary);
}

/* 下拉菜单 */
.dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--gradient-bg-light);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-hover);
    border-radius: 12px;
    padding: 1rem 0;
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    border: 1px solid rgba(0,151,140,0.1);
}

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

.dropdown-item {
    display: block;
    padding: 0.75rem 1.5rem;
    color: var(--text-dark);
    transition: all 0.3s ease;
}

.dropdown-item:hover {
    background: var(--gradient-bg-primary);
    color: var(--primary-color);
    transform: translateX(5px);
}

/* 移动端导航切换 */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--text-dark);
    transition: all 0.3s ease;
}

/* 主横幅 */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    overflow: hidden;
}

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

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0;
    transition: opacity 1s ease-in-out;
}

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

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    /* background: var(--gradient-overlay); */
}

/* 添加文本中心对齐样式 */
.text-center {
    text-align: center;
}

/* 添加文字阴影样式 */
.shadow-text {
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.7);
}

.hero-content {
    position: absolute;
    top: 50%;
    left: 2%;
    transform: translateY(-50%);
    width: 45%;
    max-width: 550px;
    z-index: 10;
    color: var(--white);
    padding: 0 1rem;
    text-align: left;
    box-sizing: border-box;
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 1.2rem;
    line-height: 1.1;
    letter-spacing: 1.5px;
    color: var(--white);
}

.hero-subtitle {
    font-size: 2.2rem;
    font-weight: 600;
    margin-bottom: 1.2rem;
    line-height: 1.3;
    color: var(--white);
    letter-spacing: 0.8px;
}

.hero-subtitle div {
    margin-bottom: 0.5rem;
}

.hero-description {
    font-size: 1.125rem;
    margin-bottom: 2.5rem;
    max-width: 800px;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
}

/* 按钮样式 */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border-radius: 50px;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    border: 2px solid transparent;
    outline: none !important;
    outline-width: 0 !important;
    outline-style: none !important;
    outline-color: transparent !important;
    -webkit-tap-highlight-color: transparent !important;
}

.btn:focus,
.btn:active,
.btn:focus-visible {
    outline: none !important;
    outline-width: 0 !important;
    outline-style: none !important;
    outline-color: transparent !important;
    -webkit-tap-highlight-color: transparent !important;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
    border-color: var(--primary-color);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.btn-outline {
    background: transparent;
    color: var(--white);
    border-color: var(--white);
}

.btn-outline:hover {
    background-color: var(--white);
    color: var(--primary-color);
}

/* 轮播控制 */
.hero-controls {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 3;
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: 0 2rem;
}

.hero-prev,
.hero-next {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: rgba(255,255,255,0.2);
    color: var(--white);
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    outline: none !important;
    outline-width: 0 !important;
    outline-style: none !important;
    outline-color: transparent !important;
    -webkit-tap-highlight-color: transparent !important;
    cursor: pointer;
}

.hero-prev:focus,
.hero-prev:active,
.hero-prev:focus-visible,
.hero-next:focus,
.hero-next:active,
.hero-next:focus-visible {
    outline: none !important;
    outline-width: 0 !important;
    outline-style: none !important;
    outline-color: transparent !important;
    -webkit-tap-highlight-color: transparent !important;
}

.hero-prev:hover,
.hero-next:hover {
    background: rgba(255,255,255,0.3);
    transform: scale(1.1);
}

/* 轮播指示器 */
.hero-indicators {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 1rem;
    z-index: 3;
}

.indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255,255,255,0.5);
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    outline: none !important;
    outline-width: 0 !important;
    outline-style: none !important;
    outline-color: transparent !important;
    -webkit-tap-highlight-color: transparent !important;
}

.indicator:focus,
.indicator:active,
.indicator:focus-visible {
    outline: none !important;
    outline-width: 0 !important;
    outline-style: none !important;
    outline-color: transparent !important;
    -webkit-tap-highlight-color: transparent !important;
}

.indicator.active {
    background: var(--white);
    transform: scale(1.2);
}

/* 关于我们简介 */
.about-intro {
    padding: 5rem 0;
    background: var(--gradient-bg-section);
    position: relative;
    overflow: hidden;
}

.about-intro::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(circle at 20% 20%, rgba(0,151,140,0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(0,122,112,0.05) 0%, transparent 50%);
    pointer-events: none;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
    position: relative;
}

span.black-text {
    background: transparent !important;
    background-image: none !important;
    -webkit-background-clip: initial !important;
    -webkit-text-fill-color: #000000 !important;
    background-clip: initial !important;
    color: #000000 !important;
    font-size: inherit !important;
    font-weight: inherit !important;
    font-family: inherit !important;
    display: inline !important;
}

.section-title span.black-text {
    background: transparent !important;
    background-image: none !important;
    -webkit-background-clip: initial !important;
    -webkit-text-fill-color: #000000 !important;
    background-clip: initial !important;
    color: #000000 !important;
}

.section-divider {
    width: 80px;
    height: 4px;
    background: var(--gradient-primary);
    margin: 0 auto 1.5rem;
    border-radius: 2px;
    position: relative;
    overflow: hidden;
}

.section-divider::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
    animation: dividerShine 2s infinite;
}

@keyframes dividerShine {
    0% { left: -100%; }
    100% { left: 100%; }
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.stat-item {
    text-align: center;
    padding: 2rem;
    background: var(--gradient-bg-light);
    border-radius: 15px;
    box-shadow: var(--shadow);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(0,151,140,0.1);
    position: relative;
    overflow: hidden;
}

.stat-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-bg-primary);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.stat-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-primary-hover);
    border-color: var(--primary-color);
}

.stat-item:hover::before {
    opacity: 1;
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
    position: relative;
    z-index: 2;
}

.stat-unit {
    font-size: 1.5rem;
    background: var(--gradient-text-light);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 600;
    display: inline-block;
    position: relative;
    z-index: 2;
}

.stat-label {
    font-size: 1.125rem;
    color: var(--text-light);
    margin-top: 0.5rem;
}

.about-cta {
    text-align: center;
}

/* 业务板块 */
.business-sections {
    padding: 5rem 0;
    background: var(--gradient-bg-light);
    position: relative;
}

.business-sections::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        linear-gradient(45deg, rgba(0,151,140,0.02) 25%, transparent 25%),
        linear-gradient(-45deg, rgba(0,151,140,0.02) 25%, transparent 25%);
    background-size: 60px 60px;
    pointer-events: none;
}

.business-tabs {
    max-width: 1000px;
    margin: 0 auto;
}

.tab-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
}

.tab-btn {
    padding: 1rem 2rem;
    background: var(--gradient-bg-light);
    color: var(--text-dark);
    border-radius: 50px;
    font-weight: 500;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 2px solid rgba(0,151,140,0.2);
    position: relative;
    overflow: hidden;
    outline: none !important;
    outline-width: 0 !important;
    outline-style: none !important;
    outline-color: transparent !important;
    -webkit-tap-highlight-color: transparent !important;
    cursor: pointer;
}

.tab-btn:focus,
.tab-btn:active,
.tab-btn:focus-visible {
    outline: none !important;
    outline-width: 0 !important;
    outline-style: none !important;
    outline-color: transparent !important;
    -webkit-tap-highlight-color: transparent !important;
}

.tab-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    transition: left 0.4s ease;
    z-index: 1;
}

.tab-btn span {
    position: relative;
    z-index: 2;
}

.tab-btn.active,
.tab-btn:hover {
    color: var(--white);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-primary);
}

.tab-btn.active::before,
.tab-btn:hover::before {
    left: 0;
}

.tab-panel {
    display: none;
}

.tab-panel.active {
    display: block;
}

.business-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.business-card {
    background: var(--gradient-bg-light);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: var(--shadow);
    text-align: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 2px solid rgba(0,151,140,0.1);
    position: relative;
    overflow: hidden;
}

.business-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-bg-primary);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.business-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-primary-hover);
    border-color: var(--primary-color);
}

.business-card:hover::before {
    opacity: 1;
}

.card-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 2rem;
    position: relative;
    z-index: 2;
    box-shadow: var(--shadow-primary);
    transition: all 0.3s ease;
}

.card-icon::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: var(--gradient-primary-soft);
    border-radius: 50%;
    z-index: -1;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.business-card:hover .card-icon {
    transform: scale(1.1);
    box-shadow: var(--shadow-primary-hover);
}

.business-card:hover .card-icon::before {
    opacity: 1;
}

.business-card h3 {
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.business-card p {
    color: var(--text-light);
    margin-bottom: 0;
}

/* 能源业务专区 */
.energy-business {
    padding: 5rem 0;
    background: var(--gradient-bg-section);
    position: relative;
    overflow: hidden;
}

.energy-business::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(circle at 40% 40%, rgba(0,151,140,0.04) 0%, transparent 50%),
        radial-gradient(circle at 60% 60%, rgba(0,122,112,0.04) 0%, transparent 50%);
    pointer-events: none;
}

.energy-tabs {
    max-width: 1200px;
    margin: 0 auto;
}

.energy-tab-list {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.energy-tab-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--white);
    border-radius: 15px;
    box-shadow: var(--shadow);
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    min-width: 150px;
}

.energy-tab-item:hover,
.energy-tab-item.active {
    border-color: var(--primary-color);
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.energy-tab-item.active .tab-icon {
    background: var(--gradient-primary);
    color: var(--white);
}

.energy-tab-item.active span {
    color: var(--primary-color);
    font-weight: 600;
}

.tab-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--bg-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--primary-color);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.tab-icon::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, transparent 30%, rgba(255,255,255,0.3) 50%, transparent 70%);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.energy-tab-item:hover .tab-icon::before {
    transform: translateX(100%);
}

.tab-icon i {
    position: relative;
    z-index: 2;
    transition: transform 0.3s ease;
}

.energy-tab-item:hover .tab-icon i {
    transform: scale(1.1) rotate(5deg);
}

.energy-tab-item span {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-dark);
    text-align: center;
    transition: all 0.3s ease;
}

.energy-tab-content {
    background: var(--white);
    border-radius: 20px;
    box-shadow: var(--shadow-hover);
    overflow: hidden;
}

.energy-tab-panel {
    display: none;
    padding: 3rem;
}

.energy-tab-panel.active {
    display: block;
}

/* 暂无数据样式 */
.no-data-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 4rem 2rem;
    text-align: center;
    min-height: 300px;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    border-radius: 15px;
    margin: 1rem;
    border: 2px dashed #dee2e6;
    position: relative;
    overflow: hidden;
}

.no-data-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(circle at 20% 20%, rgba(0,151,140,0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(0,122,112,0.05) 0%, transparent 50%);
    pointer-events: none;
}

.no-data-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color) 0%, #00a693 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    font-size: 2rem;
    color: white;
    animation: breathe 2s ease-in-out infinite;
    box-shadow: 0 4px 15px rgba(0,151,140,0.3);
    position: relative;
    z-index: 2;
}

.no-data-text {
    position: relative;
    z-index: 2;
}

.no-data-text h3 {
    font-size: 1.5rem;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.no-data-text p {
    font-size: 1rem;
    color: var(--text-light);
    margin: 0;
    line-height: 1.6;
}

@keyframes breathe {
    0%, 100% {
        transform: scale(1);
        opacity: 0.8;
    }
    50% {
        transform: scale(1.05);
        opacity: 1;
    }
}

/* 电力市场特殊图标动画 */
.energy-business .energy-tab-item[data-tab="government-policy"] .tab-icon i {
    animation: gavel-swing 3s ease-in-out infinite;
}

.energy-business .energy-tab-item[data-tab="market-dynamics"] .tab-icon i {
    animation: chart-pulse 2s ease-in-out infinite;
}

@keyframes gavel-swing {
    0%, 100% {
        transform: rotate(0deg);
    }
    25% {
        transform: rotate(-10deg);
    }
    75% {
        transform: rotate(10deg);
    }
}

@keyframes chart-pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
}

/* 鼠标悬停时停止动画 */
.energy-business .energy-tab-item:hover .tab-icon i {
    animation: none !important;
    transform: scale(1.1) rotate(5deg) !important;
}

/* 电力市场模块样式 */
.power-market-section {
    padding: 5rem 0;
    background: var(--gradient-bg-section);
    position: relative;
    overflow: hidden;
}

.power-market-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(circle at 40% 40%, rgba(0,151,140,0.04) 0%, transparent 50%),
        radial-gradient(circle at 60% 60%, rgba(0,122,112,0.04) 0%, transparent 50%);
    pointer-events: none;
}

.power-market-tabs {
    max-width: 1200px;
    margin: 0 auto;
}

.power-market-tab-list {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.power-market-tab-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--white);
    border-radius: 15px;
    box-shadow: var(--shadow);
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    min-width: 150px;
}

.power-market-tab-item:hover,
.power-market-tab-item.active {
    border-color: var(--primary-color);
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.power-market-tab-item.active .tab-icon {
    background: var(--gradient-primary);
    color: var(--white);
}

.power-market-tab-item.active span {
    color: var(--primary-color);
    font-weight: 600;
}

.power-market-tab-item .tab-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--bg-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--primary-color);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.power-market-tab-item .tab-icon::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, transparent 30%, rgba(255,255,255,0.3) 50%, transparent 70%);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.power-market-tab-item:hover .tab-icon::before {
    transform: translateX(100%);
}

.power-market-tab-item .tab-icon i {
    position: relative;
    z-index: 2;
    transition: transform 0.3s ease;
}

.power-market-tab-item:hover .tab-icon i {
    transform: scale(1.1) rotate(5deg);
}

.power-market-tab-item span {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-dark);
    text-align: center;
    transition: all 0.3s ease;
}

.power-market-tab-content {
    background: var(--white);
    border-radius: 20px;
    box-shadow: var(--shadow-hover);
    overflow: hidden;
}

.power-market-tab-panel {
    display: none;
    padding: 3rem;
}

.power-market-tab-panel.active {
    display: block;
}

/* 电力市场特殊图标动画 */
.power-market-section .power-market-tab-item[data-tab="government-policy"] .tab-icon i {
    animation: gavel-swing 3s ease-in-out infinite;
}

.power-market-section .power-market-tab-item[data-tab="market-dynamics"] .tab-icon i {
    animation: chart-pulse 2s ease-in-out infinite;
}

/* 鼠标悬停时停止动画 */
.power-market-section .power-market-tab-item:hover .tab-icon i {
    animation: none !important;
    transform: scale(1.1) rotate(5deg) !important;
}

.tab-content-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.tab-image img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: 15px;
}

.tab-text h3 {
    font-size: 1.75rem;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
}

.tab-text p {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--text-light);
    margin-bottom: 2rem;
}

.learn-more {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary-color);
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
}

.learn-more:hover {
    gap: 1rem;
    color: var(--primary-dark);
}

/* 合作伙伴 */
.partners {
    padding: 5rem 0;
    background: var(--gradient-bg-section);
    position: relative;
    overflow: hidden;
}

.partners::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(circle at 30% 30%, rgba(0,151,140,0.03) 0%, transparent 50%),
        radial-gradient(circle at 70% 70%, rgba(0,122,112,0.03) 0%, transparent 50%);
    pointer-events: none;
}

.highlight {
    color: var(--primary-color);
    font-weight: 600;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
    perspective: 1200px; /* 为整个网格添加3D透视 */
    transform-style: preserve-3d;
}

.partner-item {
    background: var(--white);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    perspective: 1000px; /* 3D透视效果 */
    transform-style: preserve-3d;
}

.partner-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

/* 3D翻转效果的背景高亮 */
.partner-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0,151,140,0.3), rgba(0,151,140,0.1));
    opacity: 0;
    transform: scale(0.9);
    transition: all 0.6s ease;
    z-index: 1;
    border-radius: 15px;
    transform-style: preserve-3d;
}

.partner-item img {
    position: relative;
    z-index: 2;
    transform-style: preserve-3d;
    transition: all 0.4s ease;
}

/* 为动画中的卡片添加更强烈的3D效果 */
.partner-item::after {
    content: '';
    position: absolute;
    top: -5px;
    left: -5px;
    right: -5px;
    bottom: -5px;
    background: linear-gradient(45deg, rgba(0,151,140,0.1), transparent, rgba(0,151,140,0.1));
    border-radius: 20px;
    opacity: 0;
    z-index: 0;
    transition: all 0.4s ease;
    transform-style: preserve-3d;
}

/* 为每个合作伙伴项目添加延迟动画 */
.partner-item:nth-child(1) { animation: partnerPulse 12s ease-in-out infinite; animation-delay: 0s; }
.partner-item:nth-child(2) { animation: partnerPulse 12s ease-in-out infinite; animation-delay: 0.3s; }
.partner-item:nth-child(3) { animation: partnerPulse 12s ease-in-out infinite; animation-delay: 0.6s; }
.partner-item:nth-child(4) { animation: partnerPulse 12s ease-in-out infinite; animation-delay: 0.9s; }
.partner-item:nth-child(5) { animation: partnerPulse 12s ease-in-out infinite; animation-delay: 1.2s; }
.partner-item:nth-child(6) { animation: partnerPulse 12s ease-in-out infinite; animation-delay: 1.5s; }
.partner-item:nth-child(7) { animation: partnerPulse 12s ease-in-out infinite; animation-delay: 1.8s; }
.partner-item:nth-child(8) { animation: partnerPulse 12s ease-in-out infinite; animation-delay: 2.1s; }
.partner-item:nth-child(9) { animation: partnerPulse 12s ease-in-out infinite; animation-delay: 2.4s; }
.partner-item:nth-child(10) { animation: partnerPulse 12s ease-in-out infinite; animation-delay: 2.7s; }
.partner-item:nth-child(11) { animation: partnerPulse 12s ease-in-out infinite; animation-delay: 3s; }
.partner-item:nth-child(12) { animation: partnerPulse 12s ease-in-out infinite; animation-delay: 3.3s; }
.partner-item:nth-child(13) { animation: partnerPulse 12s ease-in-out infinite; animation-delay: 3.6s; }
.partner-item:nth-child(14) { animation: partnerPulse 12s ease-in-out infinite; animation-delay: 3.9s; }
.partner-item:nth-child(15) { animation: partnerPulse 12s ease-in-out infinite; animation-delay: 4.2s; }
.partner-item:nth-child(16) { animation: partnerPulse 12s ease-in-out infinite; animation-delay: 4.5s; }
.partner-item:nth-child(17) { animation: partnerPulse 12s ease-in-out infinite; animation-delay: 4.8s; }
.partner-item:nth-child(18) { animation: partnerPulse 12s ease-in-out infinite; animation-delay: 5.1s; }
.partner-item:nth-child(19) { animation: partnerPulse 12s ease-in-out infinite; animation-delay: 5.4s; }
.partner-item:nth-child(20) { animation: partnerPulse 12s ease-in-out infinite; animation-delay: 5.7s; }

/* 翻书式接力动画关键帧 */
@keyframes partnerPulse {
    0%, 88%, 100% {
        transform: rotateY(0deg) rotateX(0deg) scale(1) translateZ(0);
        box-shadow: var(--shadow);
    }
    3% {
        transform: rotateY(-8deg) rotateX(3deg) scale(1.03) translateZ(15px);
        box-shadow: 0 10px 30px rgba(0,151,140,0.2);
    }
    6% {
        transform: rotateY(-25deg) rotateX(8deg) scale(1.08) translateZ(30px);
        box-shadow: 0 20px 50px rgba(0,151,140,0.4);
    }
    9% {
        transform: rotateY(-12deg) rotateX(4deg) scale(1.04) translateZ(20px);
        box-shadow: 0 12px 35px rgba(0,151,140,0.25);
    }
    12% {
        transform: rotateY(0deg) rotateX(0deg) scale(1) translateZ(0);
        box-shadow: var(--shadow);
    }
}

/* 为动画中的项目添加背景高亮效果 */
.partner-item:nth-child(1).animating::before,
.partner-item:nth-child(2).animating::before,
.partner-item:nth-child(3).animating::before,
.partner-item:nth-child(4).animating::before,
.partner-item:nth-child(5).animating::before,
.partner-item:nth-child(6).animating::before,
.partner-item:nth-child(7).animating::before,
.partner-item:nth-child(8).animating::before,
.partner-item:nth-child(9).animating::before,
.partner-item:nth-child(10).animating::before,
.partner-item:nth-child(11).animating::before,
.partner-item:nth-child(12).animating::before,
.partner-item:nth-child(13).animating::before,
.partner-item:nth-child(14).animating::before,
.partner-item:nth-child(15).animating::before,
.partner-item:nth-child(16).animating::before,
.partner-item:nth-child(17).animating::before,
.partner-item:nth-child(18).animating::before,
.partner-item:nth-child(19).animating::before,
.partner-item:nth-child(20).animating::before {
    animation: backgroundPulse 12s ease-in-out infinite;
}

@keyframes backgroundPulse {
    0%, 88%, 100% {
        opacity: 0;
        transform: scale(0.9) rotateY(0deg);
    }
    3% {
        opacity: 0.25;
        transform: scale(0.98) rotateY(-4deg);
    }
    6% {
        opacity: 0.5;
        transform: scale(1.1) rotateY(-15deg);
    }
    9% {
        opacity: 0.3;
        transform: scale(1.02) rotateY(-6deg);
    }
    12% {
        opacity: 0;
        transform: scale(0.9) rotateY(0deg);
    }
}

/* 鼠标交互触发的翻转效果 */
.partner-item.mouse-triggered {
    animation: mouseFlip 0.8s ease-out;
}

@keyframes mouseFlip {
    0% {
        transform: rotateY(0deg) rotateX(0deg) scale(1) translateZ(0);
        box-shadow: var(--shadow);
    }
    25% {
        transform: rotateY(-12deg) rotateX(4deg) scale(1.04) translateZ(20px);
        box-shadow: 0 12px 35px rgba(0,151,140,0.25);
    }
    50% {
        transform: rotateY(-20deg) rotateX(6deg) scale(1.06) translateZ(25px);
        box-shadow: 0 18px 45px rgba(0,151,140,0.35);
    }
    75% {
        transform: rotateY(-8deg) rotateX(2deg) scale(1.02) translateZ(10px);
        box-shadow: 0 8px 25px rgba(0,151,140,0.15);
    }
    100% {
        transform: rotateY(0deg) rotateX(0deg) scale(1) translateZ(0);
        box-shadow: var(--shadow);
    }
}

/* 鼠标触发时的背景效果 */
.partner-item.mouse-triggered::before {
    animation: mouseBackgroundFlip 0.8s ease-out;
}

@keyframes mouseBackgroundFlip {
    0% {
        opacity: 0;
        transform: scale(0.9) rotateY(0deg);
    }
    25% {
        opacity: 0.3;
        transform: scale(1.02) rotateY(-6deg);
    }
    50% {
        opacity: 0.4;
        transform: scale(1.08) rotateY(-12deg);
    }
    75% {
        opacity: 0.2;
        transform: scale(0.98) rotateY(-3deg);
    }
    100% {
        opacity: 0;
        transform: scale(0.9) rotateY(0deg);
    }
}

.partner-item img {
    max-width: 120px;
    max-height: 60px;
    object-fit: contain;
    /* filter: grayscale(100%); */
    transition: filter 0.3s ease;
}

.partner-item:hover img {
    filter: grayscale(0%);
}

/* 新闻动态 */
.news-section {
    padding: 5rem 0;
    background: var(--gradient-bg-primary);
    position: relative;
}

.news-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        linear-gradient(60deg, rgba(0,151,140,0.02) 25%, transparent 25%),
        linear-gradient(-60deg, rgba(0,151,140,0.02) 25%, transparent 25%);
    background-size: 40px 40px;
    pointer-events: none;
}

.news-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 2rem;
    margin-bottom: 3rem;
}

.news-item {
    background: var(--gradient-bg-light);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(0,151,140,0.1);
    position: relative;
}

.news-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-bg-primary);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 1;
}

.news-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-primary-hover);
    border-color: var(--primary-color);
}

.news-item:hover::before {
    opacity: 1;
}

.news-content {
    position: relative;
    z-index: 2;
}

.news-item.featured {
    grid-row: span 2;
}

.news-image {
    position: relative;
    overflow: hidden;
}

.news-item.featured .news-image {
    height: 300px;
}

.news-image {
    height: 200px;
}

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

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

.news-category {
    position: absolute;
    top: 1rem;
    left: 1rem;
    background: var(--gradient-primary);
    color: var(--white);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 500;
    box-shadow: var(--shadow-primary);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.2);
    z-index: 3;
}

.news-content {
    padding: 1.5rem;
}

.news-meta {
    margin-bottom: 1rem;
}

.news-date {
    color: var(--text-muted);
    font-size: 0.875rem;
}

.news-title {
    font-size: 1.25rem;
    color: var(--text-dark);
    margin-bottom: 1rem;
    line-height: 1.4;
}

.news-item.featured .news-title {
    font-size: 1.5rem;
}

.news-excerpt {
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.read-more {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary-color);
    font-weight: 500;
    text-decoration: none;
    transition: all 0.3s ease;
}

.read-more:hover {
    gap: 1rem;
    color: var(--primary-dark);
}

.news-cta {
    text-align: center;
}

/* 页脚 */
.footer {
    background: linear-gradient(135deg,
        rgba(26,171,159,0.95) 0%,
        rgba(0,151,140,1) 30%,
        rgba(0,122,112,1) 70%,
        rgba(0,90,84,1) 100%);
    color: var(--white);
    padding: 3rem 0 1rem;
    position: relative;
    overflow: hidden;
    margin-bottom: 0;
    box-shadow: 0 -4px 20px rgba(0,151,140,0.2);
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(circle at 20% 20%, rgba(255,255,255,0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255,255,255,0.05) 0%, transparent 50%);
    pointer-events: none;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    color: var(--white);
    margin-bottom: 1.5rem;
    font-size: 1.25rem;
}

.footer-logo img {
    height: 40px;
    margin-bottom: 1rem;
}

.footer-slogan {
    color: rgba(255,255,255,0.8);
    margin-bottom: 1.5rem;
    font-weight: 400;
}

.footer-contact p {
    color: rgba(255,255,255,0.85);
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-contact i {
    color: rgba(255,255,255,0.9);
    width: 16px;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    transition: all 0.3s ease;
}

.footer-links a:hover {
    color: rgba(255,255,255,1);
    text-shadow: 0 0 8px rgba(255,255,255,0.3);
    transform: translateX(3px);
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.social-link {
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.15);
    border: 2px solid rgba(255,255,255,0.3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255,255,255,0.9);
    text-decoration: none;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.social-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255,255,255,0.2);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.social-link:hover {
    transform: translateY(-3px) scale(1.1);
    box-shadow: 0 8px 25px rgba(0,0,0,0.3);
    border-color: rgba(255,255,255,0.6);
    color: rgba(255,255,255,1);
}

.social-link:hover::before {
    opacity: 1;
}

.qr-codes {
    display: flex;
    gap: 1rem;
}

.qr-code {
    text-align: center;
}

.qr-code img {
    width: 80px;
    height: 80px;
    border-radius: 8px;
    margin-bottom: 0.5rem;
}

.qr-code span {
    font-size: 0.875rem;
    color: rgba(255,255,255,0.8);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.2);
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-copyright p {
    color: rgba(255,255,255,0.7);
    margin-bottom: 0.25rem;
}

.footer-copyright a {
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    transition: all 0.3s ease;
}

.footer-copyright a:hover {
    color: rgba(255,255,255,1);
    text-shadow: 0 0 8px rgba(255,255,255,0.3);
}

.footer-legal {
    display: flex;
    gap: 2rem;
}

.footer-legal a {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    font-size: 0.875rem;
    transition: all 0.3s ease;
}

.footer-legal a:hover {
    color: rgba(255,255,255,1);
    text-shadow: 0 0 8px rgba(255,255,255,0.3);
}



/* 返回顶部按钮 */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    color: var(--white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 9999;
    box-shadow: var(--shadow-primary-hover);
    overflow: hidden;
    outline: none !important;
    outline-width: 0 !important;
    outline-style: none !important;
    outline-color: transparent !important;
    -webkit-tap-highlight-color: transparent !important;
}

.back-to-top:focus,
.back-to-top:active,
.back-to-top:focus-visible {
    outline: none !important;
    outline-width: 0 !important;
    outline-style: none !important;
    outline-color: transparent !important;
    -webkit-tap-highlight-color: transparent !important;
}

.back-to-top::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary-reverse);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    transform: translateY(-5px) scale(1.1);
    box-shadow: 0 12px 40px rgba(0,151,140,0.4);
}

.back-to-top:hover::before {
    opacity: 1;
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .tab-content-wrapper {
        gap: 2rem;
    }

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

    .news-item.featured {
        grid-column: span 2;
        grid-row: span 1;
    }
}

/* 超高缩放级别优化 - 针对200%等超高缩放场景 */
@media (max-width: 1600px) {
    .hero-content {
        left: 1%;
        width: 40%;
        max-width: 450px;
        top: 50%;
    }
}

/* 高缩放级别优化 - 针对150%等高缩放场景 */
@media (max-width: 1400px) {
    .hero-content {
        left: 2%;
        width: 45%;
        max-width: 500px;
        top: 45%;
    }

    .hero-title {
        font-size: 3.8rem;
        line-height: 1.1;
        margin-bottom: 1rem;
    }

    .hero-subtitle {
        font-size: 2rem;
        line-height: 1.2;
        margin-bottom: 1rem;
    }

    .hero-description {
        font-size: 1rem;
        line-height: 1.5;
        margin-bottom: 1.5rem;
    }
}

@media (max-width: 992px) {
    .hero-title {
        font-size: 3.5rem;
    }

    .hero-subtitle {
        font-size: 2rem;
    }

    .hero-controls {
        display: none;
    }

    .section-title {
        font-size: 2.25rem;
    }

    /* 移动端hero-content调整 */
    .hero-content {
        left: 3%;
        width: 90%;
        padding: 0 1rem;
    }

    /* 移动端page-hero调整 */
    .page-hero .hero-content {
        left: 50%;
        width: 90%;
        text-align: center;
    }

    /* 移动端page-header调整 */
    .page-header-content {
        left: 50%;
        width: 90%;
        text-align: center;
        transform: translate(-50%, -50%);
    }

    /* 移动端页面间距调整 */
    body {
        padding-top: 105px; /* 顶部栏(25px) + 导航栏(60px) + 额外空间(20px) */
    }

    /* 顶部栏移动端样式 */
    .top-bar {
        height: 25px;
        font-size: 0.8rem;
    }

    /* 导航 */
    .navbar {
        top: 25px; /* 移动端顶部栏高度 */
    }

    .navbar .container {
        padding: 0 1rem;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        flex-direction: column;
        background: var(--white);
        box-shadow: var(--shadow);
        padding: 1rem 0;
        max-height: 0;
        overflow: hidden;
        opacity: 0;
        visibility: hidden;
        transition: all 0.4s ease;
    }

    .nav-menu.active {
        max-height: 500px;
        opacity: 1;
        visibility: visible;
    }

    .nav-item {
        width: 100%;
    }

    .nav-link {
        padding: 1rem 2rem;
        display: block;
        color: var(--text-dark);
    }

    .nav-item.dropdown:hover .dropdown-menu {
        display: none;
    }

    .dropdown-menu {
        position: relative;
        top: 0;
        box-shadow: none;
        background: transparent;
        opacity: 1;
        visibility: visible;
        transform: none;
        display: none;
        padding: 0;
    }

    .dropdown-menu.active {
        display: block;
    }

    .dropdown-item {
        padding-left: 3rem;
    }

    /* 业务板块 */
    .business-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .business-item {
        padding: 2rem 1.5rem;
    }

    /* 解决方案 */
    .solutions-container {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    /* 团队 */
    .team-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }

    /* 能源交易 */
    .energy-tabs {
        max-width: 100%;
    }

    .energy-tab-list {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }

    .energy-tab-panel {
        padding: 2rem 1.5rem;
    }

    /* 合作伙伴 */
    .partners-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }

    /* 新闻 */
    .news-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .news-item.featured {
        grid-column: span 1;
    }

    /* 时间线移动端布局 */
    .timeline::before {
        left: 30px;
        transform: none;
    }

    .timeline-item {
        flex-direction: row !important;
        margin-bottom: 2rem;
    }

    .timeline-year {
        width: 60px;
        height: 60px;
        font-size: 0.875rem;
        margin-right: 1rem;
        flex-shrink: 0;
    }

    .timeline-content {
        margin: 0;
        flex: 1;
    }

    /* 页脚 */
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .footer-legal {
        justify-content: center;
    }
}

@media (max-width: 576px) {
    .hero-content {
        left: 2%;
        width: 95%;
        padding: 0 0.5rem;
    }

    .hero-title {
        font-size: 2.5rem;
        letter-spacing: 1px;
    }

    .hero-subtitle {
        font-size: 1.5rem;
        letter-spacing: 0.5px;
    }

    .hero-description {
        font-size: 1rem;
        margin-bottom: 1.5rem;
    }

    .page-title {
        font-size: 2.5rem;
        letter-spacing: 1px;
    }

    .page-subtitle {
        font-size: 1.125rem;
        letter-spacing: 0.5px;
    }

    .section-title {
        font-size: 2rem;
    }

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

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

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

    .back-to-top {
        bottom: 1rem;
        right: 1rem;
        width: 45px;
        height: 45px;
    }


}

/* 页面标题样式 */
.page-header {
    background: var(--gradient-primary);
    color: var(--white);
    padding: 6rem 0 4rem;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    min-height: 60vh;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 100" fill="rgba(255,255,255,0.1)"><polygon points="0,0 1000,0 1000,100 0,80"/></svg>');
    background-size: cover;
}

.page-header-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80%;
    max-width: 1000px;
    z-index: 10;
    text-align: center;
}

.page-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 1s ease 0.3s forwards;
    text-align: center;
}

.page-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    max-width: 600px;
    text-align: center;
    margin-left: auto;
    margin-right: auto;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 1s ease 0.5s forwards;
    margin-top: 0;
    line-height: 1.5;
    display: block;
    width: 100%;
}

.breadcrumb {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    font-size: 1rem;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 1s ease 0.7s forwards;
}

.breadcrumb a {
    color: var(--white);
    text-decoration: none;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.breadcrumb a:hover {
    opacity: 1;
}

.breadcrumb .separator {
    opacity: 0.6;
}

.breadcrumb .current {
    opacity: 1;
    font-weight: 500;
}

/* 公司简介 */
.company-intro {
    padding: 5rem 0;
    background: var(--white);
}

.intro-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: center;
}

.intro-text h2 {
    font-size: 2.5rem;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
}

.intro-highlight {
    font-size: 1.25rem;
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 2rem;
    padding: 1rem;
    background: linear-gradient(135deg, rgba(0,151,140,0.1), rgba(0,151,140,0.05));
    border-left: 4px solid var(--primary-color);
    border-radius: 0 8px 8px 0;
}

.intro-paragraphs p {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--text-light);
    margin-bottom: 1.5rem;
    text-align: justify;
}

.intro-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: 15px;
    box-shadow: var(--shadow-hover);
}

/* 企业文化 */
.company-culture {
    padding: 5rem 0;
    background: var(--bg-light);
}

.culture-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.culture-item {
    background: var(--white);
    padding: 3rem 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.culture-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary-color);
}

.culture-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 2rem;
}

.culture-item h3 {
    font-size: 1.5rem;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.culture-item p {
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 0;
}

/* 发展历程 */
.company-timeline {
    padding: 5rem 0;
    background: var(--gradient-bg-section);
    position: relative;
    overflow: hidden;
}

.company-timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(circle at 25% 25%, rgba(0,151,140,0.03) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(0,122,112,0.03) 0%, transparent 50%);
    pointer-events: none;
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 3rem auto 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--gradient-primary);
    transform: translateX(-50%);
    animation: timelineGrow 2s ease-out;
    box-shadow: 0 0 20px rgba(0,151,140,0.3);
}

@keyframes timelineGrow {
    0% {
        height: 0;
        top: 50%;
    }
    100% {
        height: 100%;
        top: 0;
    }
}

.timeline-item {
    position: relative;
    margin-bottom: 3rem;
    display: flex;
    align-items: center;
}

.timeline-item:nth-child(odd) {
    flex-direction: row;
}

.timeline-item:nth-child(even) {
    flex-direction: row-reverse;
}

@keyframes timelineItemFadeIn {
    0% {
        opacity: 0;
        transform: translateY(50px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

.timeline-year {
    width: 100px;
    height: 100px;
    background: var(--gradient-primary);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    font-weight: 700;
    position: relative;
    z-index: 2;
    box-shadow: var(--shadow-hover);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    overflow: hidden;
}

.timeline-year::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary-soft);
    border-radius: 50%;
    transform: scale(0);
    transition: transform 0.4s ease;
    z-index: -1;
}

.timeline-year::after {
    content: '';
    position: absolute;
    top: -10px;
    left: -10px;
    right: -10px;
    bottom: -10px;
    border: 2px solid var(--primary-color);
    border-radius: 50%;
    opacity: 0;
    animation: yearPulse 2s infinite;
}

.timeline-item:hover .timeline-year {
    transform: scale(1.1);
    box-shadow: 0 10px 30px rgba(0,151,140,0.4);
}

.timeline-item:hover .timeline-year::before {
    transform: scale(1);
}

@keyframes yearPulse {
    0% {
        transform: scale(1);
        opacity: 1;
    }
    100% {
        transform: scale(1.3);
        opacity: 0;
    }
}

/* 时间线动画状态类 */
.timeline-animated::before {
    animation: timelineGrow 2s ease-out;
}

.timeline-item-animated .timeline-year {
    animation: yearBounceIn 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.timeline-item-animated .timeline-content {
    animation: contentSlideIn 0.8s ease-out;
}

@keyframes yearBounceIn {
    0% {
        transform: scale(0) rotate(-180deg);
        opacity: 0;
    }
    50% {
        transform: scale(1.2) rotate(-90deg);
    }
    100% {
        transform: scale(1) rotate(0deg);
        opacity: 1;
    }
}

@keyframes contentSlideIn {
    0% {
        transform: translateX(50px);
        opacity: 0;
    }
    100% {
        transform: translateX(0);
        opacity: 1;
    }
}

/* 奇数项从左侧滑入 */
.timeline-item:nth-child(odd).timeline-item-animated .timeline-content {
    animation: contentSlideInLeft 0.8s ease-out;
}

@keyframes contentSlideInLeft {
    0% {
        transform: translateX(-50px);
        opacity: 0;
    }
    100% {
        transform: translateX(0);
        opacity: 1;
    }
}

/* 添加闪烁效果 */
.timeline-year::after {
    animation-delay: 1s;
}

/* 悬停时的额外效果 */
.timeline-item:hover .timeline-year::after {
    animation-duration: 1s;
}

/* 响应式动画调整 */
@media (max-width: 768px) {
    .timeline-item-animated .timeline-year {
        animation: yearBounceInMobile 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    }

    @keyframes yearBounceInMobile {
        0% {
            transform: scale(0);
            opacity: 0;
        }
        50% {
            transform: scale(1.1);
        }
        100% {
            transform: scale(1);
            opacity: 1;
        }
    }
}

.timeline-content {
    flex: 1;
    background: var(--white);
    padding: 2rem;
    border-radius: 15px;
    box-shadow: var(--shadow);
    margin: 0 2rem;
    border: 2px solid transparent;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.timeline-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0,151,140,0.1), transparent);
    transition: left 0.6s ease;
}

.timeline-content:hover {
    border-color: var(--primary-color);
    transform: translateY(-5px) scale(1.02);
    box-shadow: 0 15px 40px rgba(0,151,140,0.2);
}

.timeline-content:hover::before {
    left: 100%;
}

.timeline-content h3 {
    font-size: 1.5rem;
    color: var(--text-dark);
    margin-bottom: 1rem;
    position: relative;
    z-index: 2;
    transition: color 0.3s ease;
}

.timeline-content p {
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 0;
    position: relative;
    z-index: 2;
    transition: color 0.3s ease;
}

.timeline-content:hover h3 {
    color: var(--primary-color);
}

.timeline-content:hover p {
    color: var(--text-dark);
}



/* 荣誉资质 */
.honors {
    padding: 5rem 0;
    background: var(--gradient-bg-section);
    position: relative;
    overflow: hidden;
}

.honors::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 20% 80%, rgba(0,151,140,0.03) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(0,151,140,0.03) 0%, transparent 50%);
    pointer-events: none;
}

/* 荣誉资质轮播容器 */
.honors-carousel {
    overflow: hidden;
    margin-top: 4rem;
    position: relative;
    width: 100%;
    /* 添加渐变遮罩效果 */
    mask: linear-gradient(to right, transparent 0%, black 5%, black 95%, transparent 100%);
    -webkit-mask: linear-gradient(to right, transparent 0%, black 5%, black 95%, transparent 100%);
}

.honors-track {
    display: flex;
    gap: 2rem; /* 减少间距让证书更紧凑 */
    animation: scroll-left 40s linear infinite; /* 稍微放慢速度 */
    width: calc(100% * 2); /* 双倍宽度用于无缝循环 */
}

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

/* 滚动动画 */
@keyframes scroll-left {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%); /* 移动一半距离实现无缝循环 */
    }
}

.honor-item {
    flex: 0 0 260px; /* 更紧凑的固定宽度 */
    text-align: center;
    transition: all 0.3s ease;
    max-width: 260px;
}

.honor-item:hover {
    transform: translateY(-10px);
}

/* 证书展示容器 */
.certificate-display {
    position: relative;
    margin-bottom: 1.5rem;
    perspective: 1000px;
}

/* 证书框架 */
.certificate-frame {
    position: relative;
    background: #ffffff;
    border-radius: 12px;
    padding: 15px;
    box-shadow:
        0 10px 30px rgba(0, 0, 0, 0.1),
        0 5px 15px rgba(0, 0, 0, 0.08);
    transform: rotateX(5deg) rotateY(-2deg);
    transition: all 0.4s ease;
    border: 1px solid #e0e0e0;
}

.certificate-frame:hover {
    transform: rotateX(0deg) rotateY(0deg) scale(1.08);
    box-shadow:
        0 25px 50px rgba(0, 0, 0, 0.2),
        0 15px 30px rgba(0, 0, 0, 0.15);
}

.honor-item:hover .certificate-title {
    color: var(--primary-color);
    transform: translateY(-2px);
}

.certificate-frame img {
    width: 100%;
    height: 160px;
    object-fit: cover;
    border-radius: 8px;
    transition: all 0.3s ease;
}

/* 证书底座 */
.certificate-base {
    position: relative;
    margin-top: -10px;
    background: linear-gradient(135deg, #2c2c2c 0%, #1a1a1a 100%);
    height: 40px;
    border-radius: 0 0 8px 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow:
        0 5px 15px rgba(0, 0, 0, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    z-index: 1;
}

.certificate-base::before {
    content: '';
    position: absolute;
    top: -5px;
    left: 10px;
    right: 10px;
    height: 10px;
    background: linear-gradient(135deg, #3a3a3a 0%, #2c2c2c 100%);
    border-radius: 8px 8px 0 0;
    z-index: -1;
}

.certificate-year {
    color: #ffd700;
    font-weight: bold;
    font-size: 1.1rem;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
    letter-spacing: 1px;
}

/* 证书标题 */
.certificate-title {
    font-size: 1.1rem;
    color: var(--text-dark);
    line-height: 1.4;
    margin: 0;
    font-weight: 500;
    max-width: 250px;
    margin: 0 auto;
    transition: all 0.3s ease;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .honor-item {
        flex: 0 0 240px; /* 中等屏幕固定宽度 */
        max-width: 240px;
    }

    .honors-track {
        gap: 1.5rem;
    }
}

@media (max-width: 768px) {
    .honor-item {
        flex: 0 0 220px; /* 小屏幕固定宽度 */
        max-width: 220px;
    }

    .honors-track {
        gap: 1rem;
        animation: scroll-left 25s linear infinite; /* 稍快一些 */
    }

    .certificate-frame {
        padding: 12px;
    }

    .certificate-frame img {
        height: 160px;
    }

    .certificate-base {
        height: 35px;
    }

    .certificate-year {
        font-size: 1rem;
    }

    .certificate-title {
        font-size: 1rem;
        max-width: 220px;
    }
}

@media (max-width: 480px) {
    .honor-item {
        flex: 0 0 200px; /* 手机端更小的固定宽度 */
        max-width: 200px;
    }

    .honors-track {
        gap: 0.8rem;
        animation: scroll-left 20s linear infinite; /* 更快一些 */
    }

    .certificate-frame img {
        height: 140px;
    }

    .certificate-title {
        font-size: 0.95rem;
        max-width: 180px;
    }
}

/* 联系页面样式 */
.contact-info {
    padding: 5rem 0;
    background: var(--bg-light);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.contact-item {
    background: var(--white);
    padding: 3rem 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.contact-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary-color);
}

.contact-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 2rem;
}

.contact-item h3 {
    font-size: 1.5rem;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.contact-item p {
    color: var(--text-light);
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
}

.contact-time {
    font-size: 0.875rem;
    color: var(--text-muted);
    font-style: italic;
}

/* 联系表单 */
.contact-form-section {
    padding: 5rem 0;
    background: var(--white);
}

.form-container {
    max-width: 800px;
    margin: 0 auto;
}

.contact-form {
    background: var(--bg-light);
    padding: 3rem;
    border-radius: 20px;
    box-shadow: var(--shadow-hover);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

.form-group {
    margin-bottom: 2rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-dark);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: var(--white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0,151,140,0.1);
}

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

.checkbox-group {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-size: 0.875rem;
    color: var(--text-light);
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    margin: 0;
}

.checkbox-label a {
    color: var(--primary-color);
    text-decoration: none;
}

.checkbox-label a:hover {
    text-decoration: underline;
}

.form-submit {
    text-align: center;
    margin-top: 2rem;
}

.form-submit .btn {
    padding: 1rem 3rem;
    font-size: 1.125rem;
}

/* 地图区域 */
.map-section {
    padding: 5rem 0;
    background: var(--bg-light);
}

.map-container {
    margin-top: 3rem;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow-hover);
}

.map-placeholder {
    height: 400px;
    background: var(--white);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    font-size: 3rem;
}

.map-placeholder p {
    font-size: 1.25rem;
    margin: 1rem 0 0.5rem;
}

.map-placeholder small {
    font-size: 1rem;
    color: var(--text-muted);
}

/* 响应式设计 - 联系页面 */
@media (max-width: 768px) {
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .contact-item {
        padding: 2rem 1.5rem;
    }

    .contact-form {
        padding: 2rem 1.5rem;
    }

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

    .map-placeholder {
        height: 300px;
        font-size: 2rem;
    }
}


/* 能源交易页面样式 */
.page-hero {
    position: relative;
    height: 60vh;
    min-height: 500px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-background img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    /* background: var(--gradient-overlay); */
    z-index: 2;
}

/* 所有页面的hero容器样式 - 改为左对齐布局 */
.page-hero .container {
    position: relative;
    z-index: 3;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    max-width: none;
    padding: 0;
}

/* 所有页面的hero-content样式 - 采用主页样式 */
.page-hero .hero-content {
    position: absolute;
    top: 50%;
    left: 40%;
    transform: translate(-50%, -50%);
    width: 80%;
    max-width: 1000px;
    z-index: 10;
    color: var(--white);
    padding: 0 1rem;
    text-align: left;
}

.page-hero .hero-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.page-hero .hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    opacity: 0.9;
}

.page-hero .hero-description {
    font-size: 1.125rem;
    margin-bottom: 2rem;
    opacity: 0.8;
    line-height: 1.6;
}


/* 业务案例专区 */
.business-cases {
    padding: 5rem 0;
    background: var(--gradient-bg-light);
}

.energy-showcase {
    max-width: 1200px;
    margin: 0 auto;
}

/* 新版公司简介样式 */
.company-overview {
    text-align: center;
    margin-bottom: 4rem;
}

.overview-header h2 {
    font-size: 2.5rem;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.company-tagline {
    font-size: 1.25rem;
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 3rem;
}

.company-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.stat-item {
    text-align: center;
    padding: 2rem 1rem;
    background: linear-gradient(135deg, rgba(0,151,140,0.1), rgba(0,151,140,0.05));
    border-radius: 15px;
    border: 1px solid rgba(0,151,140,0.2);
    transition: all 0.3s ease;
}

.stat-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary-color);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1rem;
    color: var(--text-light);
    font-weight: 500;
}

/* 业务领域 */
.business-areas {
    margin: 5rem 0;
}

.business-areas h3 {
    font-size: 2rem;
    color: var(--text-dark);
    text-align: center;
    margin-bottom: 4rem;
}

.business-areas-content {
    max-width: 1200px;
    margin: 0 auto;
}

.business-area-section {
    margin-bottom: 4rem;
    background: #ffffff;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
    border: 1px solid #f1f5f9;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.business-area-section:hover {
    box-shadow: 0 10px 25px rgba(0,0,0,0.1), 0 4px 10px rgba(0,0,0,0.05);
    transform: translateY(-4px);
    border-color: #e2e8f0;
}

.area-header {
    background: #ffffff;
    padding: 0;
    text-align: left;
    color: var(--text-dark);
    border: none;
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 2.5rem 2.5rem 1.5rem 2.5rem;
}

.area-icon-large {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, #f8fafc, #e2e8f0);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0;
    border: 1px solid #e2e8f0;
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.area-icon-large:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
    background: linear-gradient(135deg, #f1f5f9, #e2e8f0);
}

.area-icon-large i {
    font-size: 1.75rem;
    color: var(--primary-color);
}

.area-header h4 {
    font-size: 1.5rem;
    margin: 0;
    font-weight: 700;
    color: var(--text-dark);
    letter-spacing: -0.025em;
}

.area-content {
    display: flex;
    align-items: center;
    gap: 3rem;
    padding: 0 2.5rem 2.5rem 2.5rem;
}

.area-content.reverse {
    flex-direction: row-reverse;
}

.area-image {
    flex: 0 0 42%;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    border: 1px solid #f1f5f9;
}

.area-image img {
    width: 100%;
    height: 280px;
    object-fit: cover;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.area-image:hover img {
    transform: scale(1.03);
}

.area-description {
    flex: 1;
}

.area-description p {
    color: #64748b;
    line-height: 1.75;
    font-size: 1rem;
    margin-bottom: 2.5rem;
    font-weight: 400;
}

.area-description strong {
    color: var(--primary-color);
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.area-highlights {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.highlight-item {
    background: #f8fafc;
    padding: 1.25rem 1rem;
    border-radius: 12px;
    text-align: center;
    flex: 1;
    min-width: 110px;
    border: 1px solid #e2e8f0;
    transition: all 0.3s ease;
}

.highlight-item:hover {
    background: #f1f5f9;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

.highlight-number {
    display: block;
    font-size: 1.375rem;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 0.25rem;
    letter-spacing: -0.025em;
}

.highlight-label {
    display: block;
    font-size: 0.875rem;
    color: #64748b;
    font-weight: 500;
}

/* 加入邦道按钮 */
.join-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: var(--white);
    padding: 0.875rem 1.5rem;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.875rem;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0,151,140,0.3);
}

.join-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,151,140,0.4);
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
}

.join-btn i {
    font-size: 0.75rem;
    transition: transform 0.3s ease;
}

.join-btn:hover i {
    transform: translateX(2px);
}

/* 公司实力 */
.company-strength {
    margin: 5rem 0;
    background: var(--gradient-bg-light);
    padding: 4rem 0;
    border-radius: 20px;
}

.strength-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.strength-text h3 {
    font-size: 2rem;
    color: var(--text-dark);
    margin-bottom: 2rem;
}

.strength-points {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.strength-point {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.strength-point i {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-top: 0.25rem;
    flex-shrink: 0;
}

.strength-point h4 {
    font-size: 1.125rem;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.strength-point p {
    color: var(--text-light);
    line-height: 1.6;
}

.strength-image img {
    width: 100%;
    height: 350px;
    object-fit: cover;
    border-radius: 15px;
    box-shadow: var(--shadow-hover);
}

/* 企业使命 */
.company-mission {
    text-align: center;
    margin: 5rem 0;
    padding: 4rem 2rem;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-radius: 20px;
    color: var(--white);
}

.company-mission h3 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
}

.mission-text {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.mission-desc {
    font-size: 1.125rem;
    line-height: 1.8;
    opacity: 0.9;
    max-width: 800px;
    margin: 0 auto;
}

/* 加入邦道页面 */
.culture-atmosphere {
    padding: 5rem 0;
    background: var(--gradient-bg-light);
}

.life-at-bangdao {
    padding: 6rem 0;
    background: linear-gradient(135deg, #f8fffe 0%, #ffffff 50%, #f0f9f4 100%);
    position: relative;
}

/* 加入邦道 */
.join-bangdao {
    padding: 5rem 0;
    background: var(--gradient-bg-light);
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.section-header p {
    font-size: 1.25rem;
    color: var(--text-light);
}

/* 文化氛围 */
.culture-atmosphere {
    padding: 8rem 0;
    background: #ffffff;
    position: relative;
}

.culture-showcase {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    max-width: 1800px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* 主要展示区域 */
.culture-main {
    position: relative;
}

.culture-hero {
    position: relative;
    height: 600px;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    background: #ffffff;
}

.culture-hero:hover {
    transform: translateY(-20px) scale(1.05);
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.15);
}

.culture-hero img {
    width: 100%;
    height: 70%;
    object-fit: cover;
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 24px 24px 0 0;
}

.culture-hero:hover img {
    transform: scale(1.2) rotate(2deg);
    filter: brightness(1.1) contrast(1.1);
}

.culture-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    padding: 2rem;
    text-align: center;
    border-radius: 0 0 24px 24px;
}

.culture-info h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
    letter-spacing: -0.025em;
}

.culture-info p {
    font-size: 1.125rem;
    line-height: 1.6;
    color: var(--text-light);
    margin: 0;
}

/* 侧边展示区域 */
.culture-sidebar {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.culture-card {
    position: relative;
    height: 135px;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    background: #ffffff;
    display: flex;
}

.culture-card:hover {
    transform: translateX(15px) scale(1.05);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.12);
}

.culture-card img {
    width: 40%;
    height: 100%;
    object-fit: cover;
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.culture-card:hover img {
    transform: scale(1.3) rotate(3deg);
    filter: brightness(1.1) contrast(1.1);
}

.card-info {
    flex: 1;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
}

.card-info h4 {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
    transition: color 0.3s ease;
}

.culture-card:hover .card-info h4 {
    color: var(--primary-color);
}

.card-info p {
    font-size: 0.875rem;
    line-height: 1.5;
    color: var(--text-light);
    margin: 0;
}

/* 动画效果 */
@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-100px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(100px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.culture-main {
    opacity: 0;
    animation: fadeInLeft 1s cubic-bezier(0.4, 0, 0.2, 1) forwards;
    animation-delay: 0.2s;
}

.culture-sidebar {
    opacity: 0;
    animation: fadeInRight 1s cubic-bezier(0.4, 0, 0.2, 1) forwards;
    animation-delay: 0.4s;
}

.culture-card:nth-child(1) { animation-delay: 0.6s; }
.culture-card:nth-child(2) { animation-delay: 0.8s; }
.culture-card:nth-child(3) { animation-delay: 1.0s; }
.culture-card:nth-child(4) { animation-delay: 1.2s; }



/* 生活在邦道 */
.life-section h3 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-dark);
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
}

.life-section h3::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--primary-color);
    border-radius: 2px;
}

.life-carousel {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.carousel-container {
    position: relative !important;
    overflow: hidden !important;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    background: var(--white);
    width: 100% !important;
    height: 400px !important;
}

.carousel-slides {
    display: flex !important;
    transition: transform 0.5s ease-in-out;
    width: 500% !important; /* 5张图片 */
}

.carousel-slide {
    min-width: 20% !important; /* 100% / 5 = 20% */
    flex-shrink: 0 !important;
    width: 20% !important;
}

.slide-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    min-height: 400px;
}

.slide-image {
    height: 400px;
    overflow: hidden;
}

.slide-image img {
    width: 100% !important;
    height: 100% !important;
    object-fit: cover !important;
    display: block !important;
    opacity: 1 !important;
    max-width: none !important;
    max-height: none !important;
}

.slide-text {
    padding: 3rem;
    background: var(--white);
}

.slide-text h4 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.slide-text p {
    color: var(--text-light);
    line-height: 1.8;
    font-size: 1.125rem;
    margin: 0;
}

/* 轮播控制 */
.carousel-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    margin-top: 2rem;
}

.carousel-btn {
    width: 50px;
    height: 50px;
    border: none;
    background: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 151, 140, 0.3);
}

.carousel-btn:hover {
    background: var(--primary-dark);
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(0, 151, 140, 0.4);
}

.carousel-btn i {
    font-size: 1rem;
}

.carousel-dots {
    display: flex;
    gap: 0.75rem;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(0, 151, 140, 0.3);
    cursor: pointer;
    transition: all 0.3s ease;
}

.dot.active {
    background: var(--primary-color);
    transform: scale(1.3);
}

.dot:hover {
    background: var(--primary-color);
    transform: scale(1.1);
}



/* 响应式设计 - 关于页面 */
@media (max-width: 768px) {
    .company-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }

    .stat-item {
        padding: 1.5rem 1rem;
    }

    .stat-number {
        font-size: 2rem;
    }

    .area-content {
        flex-direction: column;
        gap: 2rem;
        padding: 0 1.5rem 2rem 1.5rem;
    }

    .area-content.reverse {
        flex-direction: column;
    }

    .area-image {
        flex: none;
        width: 100%;
    }

    .area-image img {
        height: 240px;
    }

    .area-highlights {
        gap: 1rem;
    }

    .highlight-item {
        min-width: 90px;
        padding: 1rem 0.75rem;
    }

    .highlight-number {
        font-size: 1.25rem;
    }

    .area-header {
        padding: 2rem 1.5rem 1rem 1.5rem;
        gap: 1rem;
    }

    .area-icon-large {
        width: 56px;
        height: 56px;
        border-radius: 14px;
    }

    .area-icon-large i {
        font-size: 1.5rem;
    }

    .area-header h4 {
        font-size: 1.25rem;
    }

    .join-btn {
        padding: 0.75rem 1.25rem;
        font-size: 0.8rem;
    }

    .strength-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .strength-image {
        order: -1;
    }

    .culture-showcase {
        grid-template-columns: 1fr;
        gap: 2rem;
        padding: 0 1rem;
    }

    .culture-hero {
        height: 400px;
    }

    .culture-info h2 {
        font-size: 2rem;
    }

    .culture-info p {
        font-size: 1rem;
    }

    .culture-card {
        height: 120px;
    }

    .card-info h4 {
        font-size: 1rem;
    }

    .card-info p {
        font-size: 0.8rem;
    }

    .life-at-bangdao {
        padding: 5rem 0;
    }

    .life-section h3 {
        font-size: 2rem;
        margin-bottom: 3rem;
    }

    .life-carousel {
        padding: 0 1rem;
    }

    .carousel-container {
        border-radius: 20px;
    }

    .slide-content {
        grid-template-columns: 1fr;
        min-height: auto;
    }

    .slide-image {
        height: 280px;
        order: -1;
    }

    .slide-image img {
        height: 100%;
    }

    .slide-text {
        padding: 2.5rem 2rem;
    }

    .slide-text h4 {
        font-size: 1.5rem;
        margin-bottom: 1rem;
    }

    .slide-text p {
        font-size: 1rem;
    }

    .carousel-controls {
        gap: 2rem;
        margin-top: 2rem;
    }

    .carousel-btn {
        width: 50px;
        height: 50px;
    }

    .carousel-btn i {
        font-size: 1rem;
    }

    .dot {
        width: 14px;
        height: 14px;
    }
}

@media (max-width: 480px) {
    .company-stats {
        grid-template-columns: 1fr;
    }

    .overview-header h2 {
        font-size: 2rem;
    }

    .company-tagline {
        font-size: 1.125rem;
    }

    .section-header h2 {
        font-size: 2rem;
    }

    .culture-section h3,
    .life-section h3,
    .business-areas h3 {
        font-size: 1.75rem;
    }

    .life-at-bangdao {
        padding: 4rem 0;
    }

    .life-section h3::after {
        width: 60px;
        height: 3px;
    }

    .life-carousel {
        padding: 0 0.5rem;
    }

    .carousel-container {
        border-radius: 16px;
    }

    .slide-image {
        height: 220px;
    }

    .slide-text {
        padding: 2rem 1.5rem;
    }

    .slide-text::before {
        width: 4px;
    }

    .slide-text h4 {
        font-size: 1.25rem;
        padding-left: 0.75rem;
    }

    .slide-text p {
        font-size: 0.9rem;
        padding-left: 0.75rem;
    }

    .carousel-controls {
        gap: 1.5rem;
        margin-top: 1.5rem;
        padding: 0 1rem;
    }

    .carousel-btn {
        width: 45px;
        height: 45px;
    }

    .carousel-btn i {
        font-size: 0.9rem;
    }

    .dot {
        width: 12px;
        height: 12px;
    }

    .carousel-dots {
        gap: 0.75rem;
    }

    .culture-atmosphere {
        padding: 4rem 0;
    }

    .culture-showcase {
        gap: 1.5rem;
        grid-template-columns: 1fr;
        padding: 0 1rem;
    }

    .culture-hero {
        height: 300px;
        border-radius: 20px;
    }

    .culture-info {
        padding: 1.5rem;
    }

    .culture-info h2 {
        font-size: 1.75rem;
    }

    .culture-info p {
        font-size: 0.9rem;
    }

    .culture-card {
        height: 100px;
        flex-direction: column;
    }

    .culture-card img {
        width: 100%;
        height: 60%;
    }

    .card-info {
        padding: 1rem;
        text-align: center;
    }

    .card-info h4 {
        font-size: 0.9rem;
        margin-bottom: 0.25rem;
    }

    .card-info p {
        font-size: 0.75rem;
    }

    /* 移动端触摸优化 */
    @media (hover: none) {
        .culture-hero:hover {
            transform: none;
        }

        .culture-card:hover {
            transform: none;
        }

        .culture-hero:active {
            transform: scale(0.98);
        }

        .culture-card:active {
            transform: scale(0.98);
        }
    }

    .area-content {
        padding: 0 1rem 1.5rem 1rem;
    }

    .area-description p {
        font-size: 0.9rem;
        margin-bottom: 2rem;
    }

    .area-highlights {
        gap: 0.75rem;
    }

    .highlight-item {
        min-width: auto;
        padding: 1rem 0.5rem;
    }

    .highlight-number {
        font-size: 1.125rem;
    }

    .business-area-section {
        margin-bottom: 2.5rem;
        border-radius: 20px;
    }

    .area-header {
        padding: 1.5rem 1rem 1rem 1rem;
        gap: 1rem;
        flex-direction: column;
        text-align: center;
    }

    .area-icon-large {
        width: 52px;
        height: 52px;
        border-radius: 12px;
    }

    .area-icon-large i {
        font-size: 1.4rem;
    }

    .area-header h4 {
        font-size: 1.125rem;
    }

    .join-btn {
        padding: 0.75rem 1rem;
        font-size: 0.75rem;
        width: 100%;
        justify-content: center;
    }
}

/* 业务案例专区 */
.business-cases {
    padding: 5rem 0;
    background: var(--gradient-bg-section);
    position: relative;
    overflow: hidden;
}

/* 移除网格背景 - 修复能源交易页面背景网格问题 */
.business-cases::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    /* background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="%2399bc62" stroke-width="0.5" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>'); */
    opacity: 0;
    z-index: 0;
}

.business-cases .container {
    position: relative;
    z-index: 1;
}

.cases-grid {
    display: flex;
    flex-direction: column;
    gap: 4rem;
    margin-top: 3rem;
}

.case-item {
    display: flex;
    align-items: center;
    gap: 3rem;
    background: var(--white);
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: var(--shadow);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.case-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0,151,140,0.05), transparent);
    transition: left 0.6s ease;
}

.case-item:hover::before {
    left: 100%;
}

.case-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

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

.case-right {
    flex-direction: row-reverse;
}

.case-image {
    flex: 1;
    position: relative;
    border-radius: 15px;
    overflow: hidden;
    height: 300px;
}

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

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

.case-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0,151,140,0.8) 0%, rgba(0,122,112,0.9) 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
    display: flex;
    align-items: flex-start;
    justify-content: flex-end;
    padding: 1.5rem;
}

.case-item:hover .case-overlay {
    opacity: 1;
}

.case-badge {
    background: var(--white);
    color: var(--primary-color);
    padding: 0.5rem 1rem;
    border-radius: 25px;
    font-weight: 600;
    font-size: 0.875rem;
    box-shadow: var(--shadow);
}

.case-content {
    flex: 1;
    padding: 1rem 0;
}

.case-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1rem;
    line-height: 1.3;
}

.case-description {
    font-size: 1.125rem;
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.case-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.tag {
    background: var(--gradient-bg-primary);
    color: var(--primary-color);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 500;
    border: 1px solid rgba(0,151,140,0.2);
    transition: all 0.3s ease;
}

.tag:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: translateY(-2px);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .business-cases {
        padding: 3rem 0;
    }

    .cases-grid {
        gap: 2rem;
    }

    .case-item {
        flex-direction: column !important;
        gap: 1.5rem;
        padding: 1.5rem;
    }

    .case-left,
    .case-right {
        flex-direction: column;
    }

    .case-image {
        height: 200px;
    }

    .case-title {
        font-size: 1.375rem;
    }

    .case-description {
        font-size: 1rem;
    }

    .case-tags {
        justify-content: center;
    }
}

/* 我们的实力样式 - 首页版本 */
.our-strength-home {
    padding: 6rem 0;
    background: linear-gradient(135deg, #f8fffe 0%, #ffffff 50%, #f0f9f4 100%);
    position: relative;
    overflow: hidden;
}

.our-strength-home::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(circle at 15% 25%, rgba(0,151,140,0.08) 0%, transparent 40%),
        radial-gradient(circle at 85% 75%, rgba(0,122,112,0.06) 0%, transparent 40%),
        linear-gradient(45deg, transparent 48%, rgba(0,151,140,0.02) 50%, transparent 52%);
    animation: strengthBgFloat 20s ease-in-out infinite;
    pointer-events: none;
}

@keyframes strengthBgFloat {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-10px) rotate(1deg); }
}

.strength-showcase-home {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
    margin-top: 4rem;
    position: relative;
    z-index: 1;
}

.strength-card-home {
    background: linear-gradient(145deg, #ffffff 0%, #fafffe 100%);
    border-radius: 24px;
    padding: 3rem 2rem;
    text-align: center;
    border: 2px solid transparent;
    position: relative;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
    box-shadow:
        0 8px 32px rgba(0, 151, 140, 0.12),
        0 2px 8px rgba(0, 0, 0, 0.04);
}

.strength-card-home::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(135deg,
        rgba(0,151,140,0.3) 0%,
        rgba(0,122,112,0.2) 25%,
        transparent 50%,
        rgba(0,151,140,0.2) 75%,
        rgba(0,151,140,0.3) 100%);
    border-radius: 26px;
    z-index: -1;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.strength-card-home::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg,
        transparent,
        rgba(0,151,140,0.1),
        transparent);
    transition: left 0.6s ease;
    z-index: 2;
}

.strength-card-home:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow:
        0 20px 60px rgba(0, 151, 140, 0.25),
        0 8px 24px rgba(0, 0, 0, 0.08);
}

.strength-card-home:hover::before {
    opacity: 1;
}

.strength-card-home:hover::after {
    left: 100%;
}

.strength-icon-home {
    width: 90px;
    height: 90px;
    margin: 0 auto 2rem;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: white;
    position: relative;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow:
        0 8px 24px rgba(0, 151, 140, 0.3),
        inset 0 2px 4px rgba(255,255,255,0.2);
}

.strength-icon-home::before {
    content: '';
    position: absolute;
    top: -8px;
    left: -8px;
    right: -8px;
    bottom: -8px;
    background: var(--gradient-primary);
    border-radius: 50%;
    z-index: -1;
    opacity: 0;
    animation: iconPulse 3s ease-in-out infinite;
}

@keyframes iconPulse {
    0%, 100% { transform: scale(1); opacity: 0; }
    50% { transform: scale(1.1); opacity: 0.3; }
}

.strength-card-home:hover .strength-icon-home {
    transform: scale(1.1) rotateY(10deg);
    box-shadow:
        0 12px 32px rgba(0, 151, 140, 0.4),
        inset 0 2px 4px rgba(255,255,255,0.3);
}

.strength-card-home:hover .strength-icon-home::before {
    opacity: 0.6;
    transform: scale(1.2);
}

.strength-content-home {
    position: relative;
    z-index: 3;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.strength-number-container-home {
    position: relative;
    display: inline-block;
    margin-bottom: 0.5rem;
}

.strength-number-home {
    font-size: 4rem;
    font-weight: 800;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 0.9;
    margin-bottom: 0;
    position: relative;
    animation: numberGlow 3s ease-in-out infinite;
}

@keyframes numberGlow {
    0%, 100% { filter: drop-shadow(0 0 8px rgba(0, 151, 140, 0.3)); }
    50% { filter: drop-shadow(0 0 16px rgba(0, 151, 140, 0.5)); }
}

.strength-unit-home {
    font-size: 1rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0;
    letter-spacing: 0.3px;
    position: absolute;
    right: -50px;
    top: -10px;
    vertical-align: super;
    line-height: 1;
    transform: translateY(-30%);
}

.strength-label-home {
    font-size: 1.125rem;
    color: #4a5568;
    margin: 0;
    font-weight: 600;
    line-height: 1.4;
    letter-spacing: 0.3px;
    position: relative;
    white-space: nowrap;
}

.strength-label-home::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 3px;
    background: var(--gradient-primary);
    border-radius: 2px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.strength-card-home:hover .strength-label-home::after {
    opacity: 1;
}

/* 响应式设计 - 我们的实力 */
@media (max-width: 768px) {
    .our-strength-home {
        padding: 4rem 0;
    }

    .strength-showcase-home {
        grid-template-columns: 1fr;
        gap: 2rem;
        margin-top: 3rem;
    }

    .strength-card-home {
        padding: 2.5rem 1.5rem;
        border-radius: 20px;
    }

    .strength-icon-home {
        width: 75px;
        height: 75px;
        font-size: 2rem;
        margin-bottom: 1.5rem;
    }

    .strength-number-home {
        font-size: 3.5rem;
    }

    .strength-unit-home {
        font-size: 0.85rem;
        white-space: nowrap;
        right: -40px;
        top: -5px;
        transform: translateY(-25%);
    }

    .strength-label-home {
        font-size: 1rem;
        white-space: nowrap;
    }
}

@media (max-width: 480px) {
    .our-strength-home {
        padding: 3rem 0;
    }

    .strength-showcase-home {
        gap: 1.5rem;
        margin-top: 2rem;
    }

    .strength-number-home {
        font-size: 3rem;
    }

    .strength-unit-home {
        font-size: 0.9rem;
        white-space: nowrap;
        right: -30px;
        top: -6px;
    }

    .strength-icon-home {
        width: 65px;
        height: 65px;
        font-size: 1.75rem;
        margin-bottom: 1.25rem;
    }

    .strength-card-home {
        padding: 2rem 1.25rem;
        border-radius: 18px;
    }

    .strength-label-home {
        font-size: 0.95rem;
        white-space: nowrap;
    }
}

/* 浮动联系按钮样式 */
.floating-contact {
    position: fixed;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    z-index: 9999;
    font-family: inherit;
}

.floating-contact-btn {
    background: linear-gradient(135deg, #00978c 0%, #007a70 100%);
    color: white;
    padding: 12px 15px 12px 20px;
    border-radius: 25px 0 0 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
    box-shadow: -2px 4px 15px rgba(0,151,140,0.3);
    animation: breathe 3s ease-in-out infinite;
    position: relative;
    overflow: hidden;
    min-height: 48px;
}

.floating-contact-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.6s ease;
}

.floating-contact-btn:hover::before {
    left: 100%;
}

.floating-contact-btn:hover {
    transform: translateX(-5px);
    box-shadow: -4px 6px 20px rgba(0,151,140,0.4);
    animation: breatheHover 2s ease-in-out infinite;
}

@keyframes breathe {
    0%, 100% {
        transform: scale(1);
        box-shadow: -2px 4px 15px rgba(0,151,140,0.3);
    }
    50% {
        transform: scale(1.05);
        box-shadow: -4px 6px 20px rgba(0,151,140,0.4);
    }
}

@keyframes breatheHover {
    0%, 100% {
        transform: translateX(-5px) scale(1);
        box-shadow: -4px 6px 20px rgba(0,151,140,0.4);
    }
    50% {
        transform: translateX(-5px) scale(1.08);
        box-shadow: -6px 8px 25px rgba(0,151,140,0.5);
    }
}

.floating-contact-btn i {
    font-size: 1.125rem;
    animation: phoneRing 4s ease-in-out infinite;
}

@keyframes phoneRing {
    0%, 90%, 100% { transform: rotate(0deg); }
    5%, 15% { transform: rotate(-15deg); }
    10%, 20% { transform: rotate(15deg); }
}

.contact-text {
    font-size: 0.95rem;
    font-weight: 600;
    white-space: nowrap;
    letter-spacing: 0.3px;
}

.floating-contact-popup {
    position: absolute;
    right: 100%;
    top: 50%;
    transform: translateY(-50%);
    background: white;
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.15);
    padding: 1.5rem;
    margin-right: 10px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    border: 2px solid rgba(0,151,140,0.1);
    min-width: 250px;
}

.floating-contact-popup::before {
    content: '';
    position: absolute;
    right: -8px;
    top: 50%;
    transform: translateY(-50%);
    width: 0;
    height: 0;
    border-top: 8px solid transparent;
    border-bottom: 8px solid transparent;
    border-left: 8px solid white;
}

.floating-contact:hover .floating-contact-popup {
    opacity: 1;
    visibility: visible;
    transform: translateY(-50%) translateX(-5px);
}

.popup-content h4 {
    color: #2d3748;
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 1rem;
    text-align: center;
    border-bottom: 2px solid rgba(0,151,140,0.1);
    padding-bottom: 0.5rem;
}

.popup-content .contact-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
    padding: 0.5rem;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.popup-content .contact-item:hover {
    background: rgba(0,151,140,0.05);
    transform: translateX(-3px);
}

.popup-content .contact-item:last-child {
    margin-bottom: 0;
}

.popup-content .contact-item i {
    color: #00978c;
    font-size: 1rem;
    width: 16px;
    text-align: center;
}

.popup-content .contact-item span {
    color: #4a5568;
    font-size: 0.95rem;
    font-weight: 500;
}

/* 响应式设计 - 浮动联系按钮 */
@media (max-width: 768px) {
    .floating-contact-btn {
        padding: 10px 12px 10px 16px;
        min-height: 44px;
    }

    .floating-contact-btn i {
        font-size: 1rem;
    }

    .contact-text {
        font-size: 0.9rem;
    }

    .floating-contact-popup {
        min-width: 220px;
        padding: 1.25rem;
    }

    .popup-content h4 {
        font-size: 1rem;
    }

    .popup-content .contact-item span {
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .floating-contact-btn {
        padding: 8px 10px 8px 14px;
        min-height: 40px;
    }

    .floating-contact-btn i {
        font-size: 0.95rem;
    }

    .contact-text {
        font-size: 0.85rem;
    }

    .floating-contact-popup {
        min-width: 200px;
        padding: 1rem;
        margin-right: 8px;
    }

    .popup-content h4 {
        font-size: 0.95rem;
        margin-bottom: 0.75rem;
    }

    .popup-content .contact-item {
        margin-bottom: 0.5rem;
        padding: 0.375rem;
    }

    .popup-content .contact-item span {
        font-size: 0.85rem;
    }
}

.page-subtitle.center-subtitle {
    position: relative;
    left: 0;
    transform: none;
    text-align: center;
    width: 100%;
    max-width: 800px;
    margin-left: -40%;
    line-height: 1.6;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

@media (max-width: 768px) {
    .page-subtitle.center-subtitle {
        width: 100%;
        margin-left: auto;
        margin-right: auto;
        padding: 0 1rem;
    }
}

@media (max-width: 576px) {
    .page-subtitle.center-subtitle {
        font-size: 1rem;
        width: 100%;
        margin-left: auto;
        margin-right: auto;
        padding: 0 1.5rem;
    }
}