/* ===== CSS 变量定义 ===== */
:root {
    --primary-color: #104E8B;
    --primary-light: #1A5BA8;
    --primary-dark: #0A3A6E;
    --accent-color: #E6A23C;
    --accent-hover: #D4922C;
    --text-dark: #2C3E50;
    --text-gray: #5D6D7E;
    --text-light: #8E99A4;
    --bg-light: #F5F7FA;
    --bg-white: #FFFFFF;
    --border-color: #E8ECF0;
    --success-color: #27AE60;
    --shadow-sm: 0 2px 8px rgba(16, 78, 139, 0.08);
    --shadow-md: 0 4px 20px rgba(16, 78, 139, 0.12);
    --shadow-lg: 0 8px 30px rgba(16, 78, 139, 0.16);
    --transition: all 0.3s ease;
}

/* ===== 全局重置 ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans SC', 'Microsoft YaHei', 'PingFang SC', sans-serif;
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-dark);
    background-color: var(--bg-white);
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

/* ===== 通用容器 ===== */
.container-73b49d {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== 通用标题样式 ===== */
.section-title-da6a79 {
    text-align: center;
    margin-bottom: 20px;
}

.section-title-da6a79 h2 {
    font-size: 32px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
}

.section-title-da6a79 h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--accent-color);
    border-radius: 2px;
}

.section-title-da6a79 p {
    font-size: 16px;
    color: var(--text-gray);
    max-width: 600px;
    margin: 0 auto;
}

/* ===== 通用按钮样式 ===== */
.btn-944cdc {
    display: inline-block;
    padding: 14px 32px;
    font-size: 16px;
    font-weight: 500;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    text-align: center;
}

.btn-primary-80ed09 {
    background: var(--accent-color);
    color: #FFFFFF;
}

.btn-primary-80ed09:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-outline-c09d3e {
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

.btn-outline-c09d3e:hover {
    background: var(--primary-color);
    color: #FFFFFF;
}

/* ===== 通用卡片样式 ===== */
.card-a581a9 {
    background: var(--bg-white);
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    overflow: hidden;
}

.card-a581a9:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-5px);
}

/* ===== 头部导航 ===== */
.header-069add {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--bg-white);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.header-069add.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-md);
}

.header-inner-247d71 {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.logo-7f91ec {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-7f91ec i {
    font-size: 28px;
    color: var(--accent-color);
}

.nav-menu-54917a {
    display: flex;
    gap: 35px;
}

.nav-menu-54917a a {
    font-size: 15px;
    font-weight: 500;
    color: var(--text-dark);
    position: relative;
    padding: 5px 0;
}

.nav-menu-54917a a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-color);
    transition: var(--transition);
}

.nav-menu-54917a a:hover::after,
.nav-menu-54917a a.active::after {
    width: 100%;
}

.nav-menu-54917a a:hover {
    color: var(--primary-color);
}

.header-contact-c95fc9 {
    display: flex;
    align-items: center;
    gap: 15px;
}

.phone-number-bc40cc {
    font-size: 16px;
    font-weight: 600;
    color: var(--primary-color);
    display: flex;
    align-items: center;
    gap: 8px;
}

.phone-number-bc40cc i {
    color: var(--accent-color);
}

/* 移动端菜单按钮 */
.menu-toggle-c2fe15 {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 5px;
}

.menu-toggle-c2fe15 span {
    display: block;
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    border-radius: 2px;
    transition: var(--transition);
}

/* ===== Hero 区域 ===== */
.hero-8e9b9b {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    padding-top: 70px;
    overflow: hidden;
}

.hero-8e9b9b::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: url('../imgs/banner.jpg') repeat;
    opacity: 0.15;
}

.hero-content-561f09 {
    position: relative;
    z-index: 1;
    max-width: 900px;
    text-align: center;
}

.hero-8e9b9b h1 {
    font-size: 48px;
    font-weight: 700;
    color: #FFFFFF;
    line-height: 1.3;
    margin-bottom: 25px;
}

.hero-8e9b9b p {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 35px;
    line-height: 1.8;
}

.hero-buttons-574e00 {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    justify-content: center;
}

.hero-image-c74191 {
    position: absolute;
    right: 5%;
    top: 50%;
    transform: translateY(-50%);
    width: 45%;
    max-width: 500px;
}

.hero-stats-db8302 {
    display: flex;
    gap: 40px;
    margin-top: 50px;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    justify-content: center;
}

.stat-item-d89c8a {
    text-align: center;
    width: 25vw;
}

.stat-number-1623db {
    font-size: 36px;
    font-weight: 700;
    color: var(--accent-color);
}

.stat-label-3d1014 {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.8);
    margin-top: 5px;
}

/* ===== 核心优势区域 ===== */
.advantages-229c43 {
    padding: 100px 0;
    background: var(--bg-light);
}

.advantages-grid-f12b90 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 50px;
}

.advantage-card-6961c4 {
    background: var(--bg-white);
    padding: 40px 30px;
    border-radius: 12px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.advantage-card-6961c4::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    transform: scaleX(0);
    transition: var(--transition);
}

.advantage-card-6961c4:hover::before {
    transform: scaleX(1);
}

.advantage-card-6961c4:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.advantage-icon-8f8826 {
    width: 80px;
    height: 80px;
    margin: 0 auto 25px;
    background: linear-gradient(135deg, var(--bg-light) 0%, #E8F4FD 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.advantage-icon-8f8826 i {
    font-size: 36px;
    color: var(--primary-color);
}

.advantage-card-6961c4 h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 15px;
}

.advantage-card-6961c4 p {
    font-size: 15px;
    color: var(--text-gray);
    line-height: 1.7;
}

/* ===== 服务内容区域 ===== */
.services-96a7cc {
    padding: 100px 0;
    background: var(--bg-white);
}

.services-intro-424f6e {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 50px;
}

.services-intro-424f6e p {
    font-size: 16px;
    color: var(--text-gray);
}

.services-grid-7dff09 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

.service-card-4e6c5c {
    background: var(--bg-white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.service-card-4e6c5c:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.service-image-2fce61 {
    height: 200px;
    overflow: hidden;
}

.service-image-2fce61 img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.service-card-4e6c5c:hover .service-image-2fce61 img {
    transform: scale(1.1);
}

.service-content-6d7366 {
    padding: 25px;
}

.service-content-6d7366 h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 12px;
}

.service-content-6d7366 p {
    font-size: 14px;
    color: var(--text-gray);
    line-height: 1.7;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.service-link-df8635 {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 15px;
    font-size: 14px;
    font-weight: 500;
    color: var(--primary-color);
}

.service-link-df8635:hover {
    gap: 12px;
    color: var(--accent-color);
}

/* ===== 关于我们区域 ===== */
.about-f3b74f {
    padding: 100px 0;
    background: var(--bg-light);
}

.about-wrapper-6bfe07 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-image-20b5e1 {
    position: relative;
}

.about-image-20b5e1 img {
    width: 100%;
    border-radius: 15px;
    box-shadow: var(--shadow-lg);
}

.about-image-20b5e1::before {
    content: '';
    position: absolute;
    top: -20px;
    left: -20px;
    right: 20px;
    bottom: 20px;
    border: 3px solid var(--primary-color);
    border-radius: 15px;
    z-index: -1;
    opacity: 0.3;
}

.about-content-93adce h2 {
    font-size: 32px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 25px;
}

.about-content-93adce h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--accent-color);
    margin-top: 15px;
    border-radius: 2px;
}

.about-intro-655876 {
    font-size: 16px;
    color: var(--text-gray);
    margin-bottom: 20px;
    font-weight: 500;
}

.about-content-93adce p {
    font-size: 15px;
    color: var(--text-gray);
    line-height: 1.8;
    margin-bottom: 15px;
}

.about-features-c125e6 {
    display: flex;
    gap: 30px;
    margin-top: 30px;
}

.about-feature-9cb425 {
    display: flex;
    align-items: center;
    gap: 10px;
}

.about-feature-9cb425 i {
    color: var(--success-color);
    font-size: 20px;
}

.about-feature-9cb425 span {
    font-size: 14px;
    color: var(--text-dark);
    font-weight: 500;
}

/* ===== 产品案例区域 ===== */
.cases-5958e6 {
    padding: 100px 0;
    background: var(--bg-white);
}

.cases-grid-ca9928 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-top: 50px;
}

.case-card-260e6b {
    background: var(--bg-white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.case-card-260e6b:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.case-image-05b794 {
    height: 180px;
    overflow: hidden;
}

.case-image-05b794 img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.case-card-260e6b:hover .case-image-05b794 img {
    transform: scale(1.1);
}

.case-content-e10ada {
    padding: 20px;
}

.case-content-e10ada h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.case-content-e10ada p {
    font-size: 13px;
    color: var(--text-gray);
    line-height: 1.6;
}

/* ===== 新闻资讯区域 ===== */
.news-78138a {
    padding: 100px 0;
    background: var(--bg-light);
}

.news-grid-aea15d {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
    margin-top: 50px;
}

.news-card-4e4a79 {
    background: var(--bg-white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.news-card-4e4a79:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.news-image-8238ea {
    height: 160px;
    overflow: hidden;
}

.news-image-8238ea img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.news-card-4e4a79:hover .news-image-8238ea img {
    transform: scale(1.1);
}

.news-content-84f52e {
    padding: 20px;
}

.news-meta-c8ade8 {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 12px;
}

.news-date-533f72 {
    font-size: 13px;
    color: var(--primary-color);
    font-weight: 500;
}

.news-duration-d66ecb {
    font-size: 12px;
    color: var(--text-light);
    display: flex;
    align-items: center;
    gap: 5px;
}

.news-content-84f52e h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 10px;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-content-84f52e h3:hover {
    color: var(--primary-color);
}

.news-summary-73def3 {
    font-size: 14px;
    color: var(--text-gray);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ===== 客户评价区域 ===== */
.testimonials-632ad8 {
    padding: 100px 0;
    background: var(--bg-white);
}

.testimonials-wrapper-f32d44 {
    max-width: 1200px;
    margin: 0 auto;
}

.testimonials-slider-c612f0 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
    margin-top: 50px;
}

.testimonial-card-8207e1 {
    background: var(--bg-light);
    padding: 30px;
    border-radius: 12px;
    position: relative;
}

.testimonial-card-8207e1::before {
    content: '\201C';
    position: absolute;
    top: 20px;
    left: 25px;
    font-size: 60px;
    color: var(--primary-color);
    opacity: 0.1;
    font-family: Georgia, serif;
}

.testimonial-header-18bae4 {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.reviewer-avatar-f76411 {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
    background: var(--primary-color);
}

.reviewer-info-5d016e h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-dark);
}

.reviewer-info-5d016e span {
    font-size: 13px;
    color: var(--text-gray);
}

.testimonial-content-a0305d {
    font-size: 15px;
    color: var(--text-gray);
    line-height: 1.8;
    position: relative;
    z-index: 1;
}

.testimonial-rating-ab95e9 {
    margin-top: 15px;
    color: var(--accent-color);
    font-size: 14px;
}

/* ===== 常见问题区域 ===== */
.faq-5cbdfe {
    padding: 100px 0;
    background: var(--bg-light);
}

.faq-wrapper-c52797 {
    max-width: 800px;
    margin: 0 auto;
}

.faq-list-5b8262 {
    margin-top: 50px;
}

.faq-item-d15cd5 {
    background: var(--bg-white);
    border-radius: 10px;
    margin-bottom: 15px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.faq-question-7c99a6 {
    padding: 20px 25px;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-dark);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
}

.faq-question-7c99a6:hover {
    color: var(--primary-color);
}

.faq-question-7c99a6 i {
    transition: var(--transition);
    color: var(--primary-color);
}

.faq-item-d15cd5.active .faq-question-7c99a6 i {
    transform: rotate(180deg);
}

.faq-answer-ec9125 {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-answer-content-502945 {
    padding: 0 25px 20px;
    font-size: 15px;
    color: var(--text-gray);
    line-height: 1.8;
}

.faq-item-d15cd5.active .faq-answer-ec9125 {
    max-height: 500px;
}

/* ===== 联系我们区域 ===== */
.contact-3ed6c6 {
    padding: 100px 0;
    background: var(--bg-white);
}

.contact-wrapper-dd3f23 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.contact-info-888db6 h2 {
    font-size: 32px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 25px;
}

.contact-info-888db6 h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--accent-color);
    margin-top: 15px;
    border-radius: 2px;
}

.contact-desc-21ccc0 {
    font-size: 15px;
    color: var(--text-gray);
    line-height: 1.8;
    margin-bottom: 30px;
}

.contact-details-8018c7 {
    margin-bottom: 30px;
}

.contact-item-3912eb {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    margin-bottom: 20px;
}

.contact-item-icon-d7507b {
    width: 45px;
    height: 45px;
    background: var(--bg-light);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-item-icon-d7507b i {
    font-size: 20px;
    color: var(--primary-color);
}

.contact-item-text-638b64 h4 {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 5px;
}

.contact-item-text-638b64 p {
    font-size: 14px;
    color: var(--text-gray);
}

.contact-form-846047 {
    background: var(--bg-light);
    padding: 40px;
    border-radius: 12px;
}

.contact-form-846047 h3 {
    font-size: 22px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 25px;
    text-align: center;
}

.form-group-54c0dc {
    margin-bottom: 20px;
}

.form-group-54c0dc label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.form-group-54c0dc input,
.form-group-54c0dc textarea,
.form-group-54c0dc select {
    width: 100%;
    padding: 14px 18px;
    font-size: 15px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-white);
    transition: var(--transition);
    font-family: inherit;
}

.form-group-54c0dc input:focus,
.form-group-54c0dc textarea:focus,
.form-group-54c0dc select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(16, 78, 139, 0.1);
}

.form-group-54c0dc textarea {
    resize: vertical;
    min-height: 100px;
}

.submit-btn-c418c5 {
    width: 100%;
    padding: 16px;
    font-size: 16px;
    font-weight: 600;
    background: var(--primary-color);
    color: #FFFFFF;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
}

.submit-btn-c418c5:hover {
    background: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* ===== 友情链接区域 ===== */
.friend-links-b758e6 {
    padding: 40px 0;
    background: var(--bg-light);
    border-top: 1px solid var(--border-color);
}

.friend-links-title-c6dee9 {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-gray);
    margin-bottom: 20px;
    text-align: center;
}

.friend-links-list-69bcfc {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px 30px;
}

.friend-links-list-69bcfc a {
    font-size: 14px;
    color: var(--text-gray);
    transition: var(--transition);
}

.friend-links-list-69bcfc a:hover {
    color: var(--primary-color);
}

/* ===== 页脚 ===== */
.footer-cadf59 {
    background: var(--primary-color);
    color: rgba(255, 255, 255, 0.9);
    padding: 60px 0 30px;
}

.footer-content-ca6b1b {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand-4cffef .logo-7f91ec {
    color: #FFFFFF;
    margin-bottom: 20px;
}

.footer-brand-4cffef .logo-7f91ec i {
    color: var(--accent-color);
}

.footer-brand-4cffef p {
    font-size: 14px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.8);
}

.footer-title-1f9a65 {
    font-size: 16px;
    font-weight: 600;
    color: #FFFFFF;
    margin-bottom: 25px;
    position: relative;
    padding-bottom: 10px;
}

.footer-title-1f9a65::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background: var(--accent-color);
}

.footer-links-8ef0f8 li {
    margin-bottom: 12px;
}

.footer-links-8ef0f8 a {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.8);
    transition: var(--transition);
}

.footer-links-8ef0f8 a:hover {
    color: var(--accent-color);
    padding-left: 5px;
}

.footer-bottom-90fd9e {
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}

.copyright-8e2577 {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.6);
}

.footer-social-30d1a6 {
    display: flex;
    gap: 15px;
}

.footer-social-30d1a6 a {
    width: 36px;
    height: 36px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.footer-social-30d1a6 a:hover {
    background: var(--accent-color);
}

.footer-social-30d1a6 i {
    font-size: 16px;
}

/* ===== 移动端底部固定栏 ===== */
.mobile-bottom-bar-423c0a {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--bg-white);
    padding: 10px 15px;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
    z-index: 999;
}

.mobile-bottom-bar-423c0a a {
    flex: 1;
    text-align: center;
    padding: 8px;
    font-size: 12px;
    color: var(--text-gray);
}

.mobile-bottom-bar-423c0a a i {
    display: block;
    font-size: 20px;
    margin-bottom: 3px;
}

.mobile-bottom-bar-423c0a .call-btn-11856c {
    background: var(--accent-color);
    color: #FFFFFF;
    border-radius: 25px;
    padding: 10px 20px;
    font-weight: 600;
}

.mobile-bottom-bar-423c0a .call-btn-11856c i {
    display: inline;
    margin: 0;
}

/* ===== 响应式设计 ===== */
@media (max-width: 1024px) {
    .hero-8e9b9b h1 {
        font-size: 38px;
    }

    .hero-image-c74191 {
        right: 2%;
        width: 42%;
    }

    .advantages-grid-f12b90,
    .services-grid-7dff09 {
        grid-template-columns: repeat(2, 1fr);
    }

    .cases-grid-ca9928 {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-content-ca6b1b {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .header-inner-247d71 {
        height: 60px;
    }

    .nav-menu-54917a {
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        background: var(--bg-white);
        flex-direction: column;
        padding: 20px;
        gap: 0;
        box-shadow: var(--shadow-md);
        transform: translateY(-150%);
        opacity: 0;
        transition: var(--transition);
    }

    .nav-menu-54917a.active {
        transform: translateY(0);
        opacity: 1;
    }

    .nav-menu-54917a a {
        padding: 15px 0;
        border-bottom: 1px solid var(--border-color);
    }

    .menu-toggle-c2fe15 {
        display: flex;
    }

    .header-contact-c95fc9 {
        display: none;
    }

    .hero-8e9b9b {
        min-height: auto;
        padding: 100px 0 80px;
    }

    .hero-content-561f09 {
        text-align: center;
    }

    .hero-8e9b9b h1 {
        font-size: 28px;
    }

    .hero-8e9b9b p {
        font-size: 15px;
    }

    .hero-image-c74191 {
        display: none;
    }

    .hero-stats-db8302 {
        justify-content: center;
    }

    .hero-buttons-574e00 {
        justify-content: center;
    }

    .section-title-da6a79 h2 {
        font-size: 26px;
    }

    .advantages-grid-f12b90,
    .services-grid-7dff09,
    .news-grid-aea15d,
    .testimonials-slider-c612f0 {
        grid-template-columns: 1fr;
    }

    .about-wrapper-6bfe07 {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .about-image-20b5e1 {
        order: -1;
    }

    .cases-grid-ca9928 {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }

    .case-image-05b794 {
        height: 120px;
    }

    .contact-wrapper-dd3f23 {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .footer-content-ca6b1b {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-title-1f9a65::after {
        left: 50%;
        transform: translateX(-50%);
    }

    .footer-bottom-90fd9e {
        flex-direction: column;
        text-align: center;
    }

    .mobile-bottom-bar-423c0a {
        display: flex;
        justify-content: space-between;
        align-items: center;
    }

    body {
        padding-bottom: 70px;
    }
}

@media (max-width: 480px) {
    .container-73b49d {
        padding: 0 15px;
    }

    .hero-8e9b9b h1 {
        font-size: 24px;
    }

    .hero-stats-db8302 {
        gap: 20px;
    }

    .stat-number-1623db {
        font-size: 28px;
    }

    .advantages-grid-f12b90 {
        grid-template-columns: 1fr;
    }

    .cases-grid-ca9928 {
        grid-template-columns: 1fr;
    }

    .contact-form-846047 {
        padding: 25px;
    }

    .friend-links-list-69bcfc {
        gap: 10px 15px;
    }
}