/* 全局样式 */
:root {
    --primary-color: #1e88e5;
    --primary-dark: #1565c0;
    --primary-light: #64b5f6;
    --secondary-color: #f5f5f5;
    --text-dark: #333333;
    --text-light: #666666;
    --white: #ffffff;
    --black: #000000;
    --gray-light: #f5f5f5;
    --gray: #e0e0e0;
    --gray-dark: #9e9e9e;
    --section-bg-1: #eef6ff; /* 更淡的蓝灰色背景 */
    --section-bg-2: #dce8f3; /* 更深的灰蓝色背景 */
    --section-bg-3: #cfe0f0; /* 更深的蓝灰色背景，用于强调 */
    --section-bg-gray-1: #f4f4f6; /* 浅灰色背景 */
    --section-bg-gray-2: #eaeaec; /* 中等灰色背景 */
    --blue-gradient: linear-gradient(135deg, #64b5f6 0%, #1565c0 100%);
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --border-radius: 4px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--white);
    font-size: 16px; /* 基础字体尺寸增加 */
}

.container {
    width: 100%;
    max-width: 1400px; /* 增加容器最大宽度，减少两侧空白 */
    margin: 0 auto;
    padding: 0 20px; /* 增加内边距 */
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

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

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 10px 20px;
    border-radius: var(--border-radius);
    font-weight: 500;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--white);
    border: none;
}

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

.btn-outline {
    background-color: transparent;
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
}

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

/* 头部导航栏 */
.header {
    background-image: url('../images/header-banner.png');
    background-size: cover;
    background-position: center;
    box-shadow: var(--shadow);
    position: relative;
    top: 0;
    z-index: 100;
    padding: 15px 0;
    height: 120px; /* 调整高度以适应新的背景图 */
}

.nav {
    display: flex;
    justify-content: center; /* 居中显示 */
    align-items: center;
    padding: 15px 0;
}

@keyframes float {
    0% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-3px);
    }
    100% {
        transform: translateY(0);
    }
}

.logo {
    font-size: 2.4rem;
    font-weight: bold;
    text-align: center;
    letter-spacing: 3px;
    display: inline-block;
    position: relative;
    padding: 5px 15px;
    transition: transform 0.3s ease;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 8px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.2);
}

.logo::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255, 216, 51, 0.1), rgba(43, 120, 212, 0.1));
    border-radius: 8px;
    z-index: -1;
}

.logo::after {
    content: "";
    position: absolute;
    bottom: -3px;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, #ffd833, #2b78d4);
    border-radius: 3px;
    opacity: 0.9;
}

.logo-primary {
    color: #ffd833;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3), 
                 0 0 15px rgba(255, 216, 51, 0.4);
    position: relative;
    padding-right: 3px;
}

.logo-secondary {
    color: #2b78d4;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3),
                 0 0 15px rgba(43, 120, 212, 0.4);
    position: relative;
    padding-left: 3px;
}

.logo:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.25);
}

/* 标语与导航区域 */
.slogan {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-color));
    padding: 15px 0;
    text-align: center;
    box-shadow: 0 3px 8px rgba(0, 0, 0, 0.15);
    display: flex;
    justify-content: center;
    position: sticky;
    top: 0;
    z-index: 100;
}

.slogan-container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.slogan-text {
    color: var(--white);
    font-size: 1.8rem;
    font-weight: bold;
    margin: 0;
    text-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
    position: relative;
    display: inline-block;
    letter-spacing: 1.5px;
    padding: 5px 15px;
    border-radius: 5px;
    position: relative;
    animation: float 4s infinite ease-in-out;
}

.slogan-highlight {
    background: linear-gradient(135deg, #ffffff, #ffcc00);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    padding: 0 5px;
}

.slogan-accent {
    background: linear-gradient(135deg, #ffffff, #1e88e5);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    padding: 0 5px;
}

.slogan-highlight::after {
    content: "";
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, #ffcc00, transparent);
    animation: shine 3s infinite;
}

.slogan-accent::after {
    content: "";
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, #1e88e5, transparent);
    animation: shine 3s infinite 1.5s;
}

@keyframes shine {
    0% {
        background-position: -100% 0;
    }
    100% {
        background-position: 200% 0;
    }
}

.slogan-text::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 5px;
    z-index: -1;
    transform: translateY(2px);
    box-shadow: 0 0 15px rgba(255, 255, 255, 0.2);
}

.slogan-nav {
    display: flex;
    gap: 25px;
}

.slogan-nav-item {
    color: var(--white);
    font-weight: 500;
    font-size: 1.15rem;
    padding: 8px 15px;
    border-radius: 4px;
    transition: all 0.3s ease;
    position: relative;
}

.slogan-nav-item:hover, .slogan-nav-item.active {
    background-color: rgba(255, 255, 255, 0.15);
    color: var(--white);
}

.slogan-nav-item::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background-color: var(--white);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.slogan-nav-item:hover::after, .slogan-nav-item.active::after {
    width: 70%;
}

.nav-menu {
    display: flex;
}

.nav-menu li {
    margin-left: 30px;
}

.nav-menu a {
    color: var(--text-light);
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-menu a:hover, .nav-menu a.active {
    color: var(--primary-color);
}

/* 首屏区域 */
.hero {
    background-color: var(--gray-light);
    background-image: none; /* 移除背景图片 */
    padding: 40px 0;
    position: relative;
    overflow: hidden;
    min-height: 300px; /* 设置最小高度 */
}

.hero-content {
    max-width: 100%;
    position: relative;
    z-index: 2;
    text-align: center;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 30px;
    color: var(--text-dark);
}

.hero-buttons {
    display: flex;
    gap: 15px;
}

.hero-image {
    position: absolute;
    top: 50%;
    right: 0;
    transform: translateY(-50%);
    max-width: 50%;
    z-index: 1;
}

/* 产品服务展示区 */
.products {
    padding: 80px 0 60px; /* 增加顶部内边距 */
    border-bottom: 1px solid rgba(30, 136, 229, 0.15);
}

.bg-light {
    background-color: var(--section-bg-gray-1); /* 改为灰色背景 */
}

.products:not(.bg-light) {
    background-color: var(--section-bg-1); /* 生产设备区域恢复为蓝灰色背景 */
}

.section-header {
    margin-bottom: 40px;
    text-align: center;
}

.section-desc {
    max-width: 800px;
    margin: 20px auto 0;
    color: var(--text-light);
    font-size: 1.2rem;
    line-height: 1.6;
}

/* 生产设备展示样式 */
.equipment-showcase {
    width: 100%;
    margin: 0 auto;
}

.equipment-main {
    display: flex;
    flex-direction: column;
    background-color: var(--white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
    margin-bottom: 30px;
}

.equipment-main-img {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

.equipment-info {
    padding: 25px;
    background-color: var(--primary-color);
    color: var(--white);
}

.equipment-info h3 {
    font-size: 1.8rem;
    margin-bottom: 15px;
}

.equipment-info p {
    font-size: 1.2rem;
    line-height: 1.6;
    opacity: 0.9;
}

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

.equipment-item {
    background-color: var(--white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease;
    position: relative;
}

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

.equipment-item img {
    width: 100%;
    height: 240px;
    object-fit: cover;
}

.equipment-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: rgba(21, 101, 192, 0.8);
    color: var(--white);
    padding: 12px;
    text-align: center;
    font-weight: 500;
    font-size: 1.1rem;
}

/* 产品展示样式 */
.product-showcase {
    margin-bottom: 40px;
}

.product-row {
    display: flex;
    justify-content: space-between;
    gap: 30px;
    margin-bottom: 30px;
}

.product-item {
    flex: 1;
    background-color: var(--white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease;
}

.product-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
}

.product-img {
    height: 240px;
    overflow: hidden;
}

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

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

.product-info {
    padding: 20px;
}

.product-info h3 {
    color: var(--primary-dark);
    font-size: 1.5rem;
    margin-bottom: 10px;
    border-left: 4px solid var(--primary-color);
    padding-left: 10px;
}

.product-info p {
    color: var(--text-light);
    font-size: 1.1rem;
    line-height: 1.5;
}

.product-more {
    text-align: center;
    margin-top: 40px;
    margin-bottom: 20px;
}

.product-more .btn {
    padding: 12px 30px;
    font-size: 1.1rem;
    font-weight: 500;
}

/* 新增管材展示样式 */
.material-showcase {
    background-color: var(--white);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    margin-bottom: 40px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.material-showcase:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
}

.material-header {
    padding: 25px 30px;
    background: linear-gradient(135deg, var(--primary-light), var(--primary-color));
    color: var(--white);
}

.material-title {
    font-size: 1.8rem;
    margin-bottom: 10px;
    font-weight: bold;
    letter-spacing: 0.5px;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.material-desc {
    font-size: 1.2rem;
    line-height: 1.6;
    opacity: 0.95;
}

.material-gallery {
    display: flex;
    flex-wrap: wrap;
    padding: 20px;
    gap: 20px;
}

.material-main-img,
.material-secondary-img {
    flex: 1;
    min-width: 300px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
}

.material-main-img img,
.material-secondary-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.4s ease;
}

.material-main-img:hover img,
.material-secondary-img:hover img {
    transform: scale(1.03);
}

.material-features {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
    padding: 20px 10px 30px;
    background-color: rgba(245, 245, 245, 0.5);
    border-top: 1px solid rgba(0, 0, 0, 0.05);
}

.feature-item {
    display: flex;
    align-items: center;
    padding: 10px 15px;
    margin: 5px;
    background-color: white;
    border-radius: 50px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    color: var(--primary-color);
    font-size: 1.2rem;
    font-weight: bold;
    margin-right: 10px;
}

.feature-text {
    color: var(--text-dark);
    font-size: 1.1rem;
}

/* 企业介绍区 */
.company-intro {
    background-color: #e3f2fd; /* 改为与关于固皇部分相同的淡蓝色背景 */
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.7), rgba(255, 255, 255, 0.7)), 
        url("data:image/svg+xml,%3Csvg width='20' height='20' viewBox='0 0 20 20' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%231e88e5' fill-opacity='0.1' fill-rule='evenodd'%3E%3Ccircle cx='3' cy='3' r='3'/%3E%3Ccircle cx='13' cy='13' r='3'/%3E%3C/g%3E%3C/svg%3E");
    color: var(--text-dark); /* 改为深色文字 */
    padding: 50px 0;
    text-align: center;
    border-top: 1px solid rgba(30, 136, 229, 0.3);
    border-bottom: 1px solid rgba(30, 136, 229, 0.3);
    box-shadow: inset 0 0 30px rgba(30, 136, 229, 0.05);
}

.company-intro h2 {
    font-size: 2rem;
    margin-bottom: 15px;
    color: var(--primary-dark); /* 改为与其他标题一致的蓝色 */
}

.company-intro p {
    max-width: 600px;
    margin: 0 auto 40px;
    color: var(--text-light); /* 改为灰色文字 */
}

.service-row {
    display: flex;
    justify-content: space-between;
    gap: 30px;
}

.service-card {
    flex: 1;
    background-color: var(--white); /* 改为白色背景 */
    border-radius: 10px; /* 增加圆角 */
    padding: 20px;
    text-align: center;
    min-height: 150px; /* 设置最小高度 */
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow); /* 添加阴影 */
    border: 1px solid rgba(30, 136, 229, 0.15); /* 添加边框 */
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.service-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 15px;
    background-color: rgba(30, 136, 229, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 15px;
    border: 2px solid rgba(30, 136, 229, 0.2);
}

.service-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--primary-dark);
}

.service-card p {
    margin-bottom: 10px;
    color: var(--text-light);
    font-size: 1.1rem;
    line-height: 1.5;
}

/* 未来展望区 */
.future {
    background-color: var(--gray-light);
    padding: 50px 0;
    background-image: none; /* 移除背景图片 */
    position: relative;
    min-height: 200px; /* 设置最小高度 */
}

.future::before {
    content: none; /* 移除覆盖层 */
}

.future-content {
    position: relative;
    max-width: 100%;
    text-align: center;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 150px;
}

.future h2 {
    font-size: 2rem;
    margin-bottom: 15px;
}

.future p {
    margin-bottom: 30px;
    color: var(--text-light);
}

/* 页脚 */
.footer {
    background-color: #263238;
    color: var(--gray-light);
    padding: 80px 0 20px; /* 增加顶部内边距 */
    border-top: 5px solid var(--primary-color);
}

.footer-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    margin-bottom: 40px;
}

.footer-column {
    flex: 1;
    min-width: 250px;
    min-height: 100px;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px;
}

.footer-info {
    width: 100%;
    max-width: 400px;
    text-align: left;
}

.footer-title {
    color: var(--white);
    font-size: 1.8rem;
    margin-bottom: 25px;
    position: relative;
    padding-bottom: 12px;
    text-align: left;
}

.footer-title::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background-color: var(--primary-color);
    transform: none;
}

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

.contact-item {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    margin-bottom: 20px;
    color: #ffffff;
    transition: all 0.3s ease;
}

.contact-item:hover {
    transform: translateY(-3px);
}

.contact-text {
    font-size: 1.5rem;
    font-weight: 500;
    letter-spacing: 0.5px;
}

.address, .address-desc {
    color: #ffffff;
    margin-bottom: 15px;
    font-size: 1.5rem;
    line-height: 1.5;
    text-align: left;
    font-weight: 500;
}

.address-desc {
    opacity: 0.9;
    font-size: 1.2rem;
}

/* 微信二维码样式 */
.wechat-qrcode {
    background-color: #ffffff;
    padding: 10px;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.12);
    display: inline-block;
    margin-top: 10px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.wechat-qrcode:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
}

.wechat-qrcode img {
    display: block;
    max-width: 100%;
    border-radius: 4px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1rem;
    opacity: 0.8;
}

/* 关于固皇部分 */
.about-section {
    padding: 80px 0 60px; /* 增加顶部内边距 */
    background-color: var(--section-bg-3); /* 使用更深的蓝灰色背景 */
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.5), rgba(255, 255, 255, 0.5)), 
        url("data:image/svg+xml,%3Csvg width='20' height='20' viewBox='0 0 20 20' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%231e88e5' fill-opacity='0.1' fill-rule='evenodd'%3E%3Ccircle cx='3' cy='3' r='3'/%3E%3Ccircle cx='13' cy='13' r='3'/%3E%3C/g%3E%3C/svg%3E");
    border-top: 1px solid rgba(30, 136, 229, 0.3);
    border-bottom: 1px solid rgba(30, 136, 229, 0.3);
    position: relative;
    box-shadow: inset 0 0 30px rgba(30, 136, 229, 0.05); /* 添加内阴影效果 */
}

.about-section::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 8px;
    background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
    opacity: 0.4;
}

.about-header {
    text-align: center;
    margin-bottom: 50px; /* 增加底部间距 */
}

.section-title {
    color: var(--primary-dark);
    font-size: 2.2rem; /* 从2.6rem再减小到2.2rem */
    font-weight: bold;
    margin-bottom: 20px;
    position: relative;
    display: inline-block;
}

.title-underline {
    width: 100px; /* 从120px减小到100px */
    height: 5px;
    background-color: var(--primary-color);
    margin: 0 auto;
}

.about-main {
    margin-bottom: 30px;
    background-color: rgba(255, 255, 255, 0.85); /* 微调背景透明度 */
    padding: 40px;
    border-radius: 10px; /* 增加圆角 */
    box-shadow: 0 3px 15px rgba(0, 0, 0, 0.07); /* 增强阴影效果 */
    border: 1px solid rgba(30, 136, 229, 0.15);
    width: 95%;
    margin-left: auto;
    margin-right: auto;
}

.about-text {
    max-width: 98%; /* 增加文本区域宽度 */
    margin: 0 auto;
}

.about-text p {
    margin-bottom: 25px; /* 增加段落间距 */
    line-height: 1.8;
    font-size: 1.35rem; /* 从1.2rem增大到1.35rem */
    color: var(--text-dark);
    text-align: justify;
    letter-spacing: 0.25px; /* 略微增加字母间距 */
}

/* 引用部分样式 */
.quote-section {
    background-color: var(--primary-color);
    background-image: linear-gradient(135deg, #2196f3, #1565c0); /* 添加渐变效果 */
    padding: 30px 0;
    margin: 50px auto;
    box-shadow: 0 4px 12px rgba(21, 101, 192, 0.3); /* 增强阴影效果 */
    position: relative;
    overflow: hidden;
    width: 95%;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.2); /* 添加微妙的边框 */
}

.quote-section::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url("data:image/svg+xml,%3Csvg width='40' height='40' viewBox='0 0 40 40' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23ffffff' fill-opacity='0.1' fill-rule='evenodd'%3E%3Cpath d='M0 40L40 0H20L0 20M40 40V20L20 40'/%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.4;
}

.quote-section::after {
    content: '"';
    position: absolute;
    top: 0;
    right: 30px;
    font-size: 120px;
    color: rgba(255, 255, 255, 0.1);
    font-family: Georgia, serif;
    line-height: 1;
}

.quote-container {
    max-width: 96%;
    margin: 0 auto;
    display: flex;
    align-items: center;
    position: relative;
    z-index: 2;
}

.quote-bar {
    width: 8px;
    height: 50px;
    background-color: var(--white);
    margin-right: 25px;
    border-radius: 4px;
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.5); /* 添加发光效果 */
}

.quote {
    font-size: 1.6rem;
    font-weight: bold;
    color: var(--white);
    margin: 0;
    line-height: 1.6;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2); /* 添加文字阴影 */
    letter-spacing: 0.5px; /* 增加字母间距 */
}

/* 图片展示区样式 */
.image-showcase {
    width: 95%;
    margin: 0 auto 40px;
    background-color: rgba(255, 255, 255, 0.85); /* 微调背景透明度 */
    padding: 40px;
    border-radius: 10px; /* 增加圆角 */
    box-shadow: 0 3px 15px rgba(0, 0, 0, 0.07); /* 增强阴影效果 */
    border: 1px solid rgba(30, 136, 229, 0.15);
}

.showcase-main {
    width: 100%;
    height: 400px;
    overflow: hidden;
    border-radius: 10px; /* 匹配外层容器圆角 */
    margin-bottom: 30px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1); /* 增强阴影 */
    border: 1px solid rgba(255, 255, 255, 0.8); /* 添加微妙的亮边框 */
    position: relative;
}

.main-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.5s ease; /* 添加过渡效果 */
}

.showcase-main:hover .main-image {
    transform: scale(1.02); /* 悬停时轻微放大 */
}

.showcase-gallery {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.gallery-item {
    height: 240px;
    overflow: hidden;
    border-radius: 10px; /* 匹配外层容器圆角 */
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.8); /* 添加微妙的亮边框 */
    position: relative;
}

.gallery-item:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.5s ease; /* 添加过渡效果 */
}

.gallery-item:hover img {
    transform: scale(1.05); /* 悬停时放大 */
}

/* 分隔线 */
.section-divider {
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
    opacity: 0.5;
    margin: 0;
    padding: 0;
}

/* 企业资质证书展示区 */
.certificates {
    padding: 80px 0 60px; /* 增加顶部内边距 */
    background-color: var(--section-bg-1); /* 使用蓝灰色背景 */
}

.certificates-showcase {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 40px; /* 增加间距 */
}

.certificates-image {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    width: 100%; /* 从95%增加到100% */
    transition: transform 0.3s ease-in-out; /* 添加过渡效果 */
}

.certificates-text {
    background-color: rgba(255, 255, 255, 0.92); /* 增加不透明度 */
    padding: 40px; /* 增加内边距 */
    border-radius: 10px;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(30, 136, 229, 0.15);
    width: 100%; /* 宽度增加到100% */
    margin: 0 auto;
    position: relative;
    overflow: hidden;
}

.certificates-text::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-light), var(--primary-dark));
}

.certificates-text p {
    font-size: 1.4rem; /* 增大字体 */
    line-height: 1.6;
    margin-bottom: 22px;
    color: var(--text-dark);
    text-align: center;
    letter-spacing: 0.5px; /* 增加字间距 */
}

.certificates-text p:first-child,
.certificates-text p:last-child {
    color: var(--primary-dark);
    font-size: 1.6rem; /* 首末段落字体更大 */
    margin-bottom: 25px;
    letter-spacing: 1px;
}

.certificates-text p:nth-child(3) {
    color: var(--text-light);
    font-weight: 500;
    letter-spacing: 1px;
}

.certificates-text p:last-child {
    margin-top: 30px;
    margin-bottom: 0; /* 移除最后一段的底部边距 */
}

/* 移除大屏幕上的特殊样式，保持一致的外观 */
@media (min-width: 768px) {
    .certificates-image {
        width: 100%; /* 保持一致的宽度 */
    }
}