/* 一呼必应科技 - 公共样式表 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
}

:root {
    --primary-color: #0f52ba;
    --primary-dark: #0a3d8c;
    --primary-light: #e6f0ff;
    --accent-color: #ffd700;
    --text-dark: #1f2937;
    --text-medium: #4b5563;
    --text-light: #6b7280;
    --bg-light: #f5f7fa;
    --bg-white: #ffffff;
    --border-color: #e5e7eb;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-white);
}

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

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

ul {
    list-style: none;
}

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

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

/* 头部导航 */
.header {
    background: var(--primary-color);
    color: #fff;
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-md);
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.nav-logo {
    font-size: 24px;
    font-weight: bold;
    color: #fff;
    text-decoration: none;
}

.nav-list {
    display: flex;
    list-style: none;
}

.nav-list li {
    margin: 0 20px;
}

.nav-list a {
    color: #fff;
    text-decoration: none;
    font-weight: 500;
    padding: 8px 12px;
    border-radius: 4px;
    transition: var(--transition);
}

.nav-list a:hover {
    background: rgba(255, 255, 255, 0.1);
}

.nav-list a.active {
    color: var(--accent-color);
}

/* 标题样式 */
.title {
    text-align: center;
    font-size: 32px;
    color: var(--text-dark);
    margin-bottom: 40px;
    position: relative;
    padding-bottom: 15px;
}

.title::after {
    content: "";
    display: block;
    width: 80px;
    height: 3px;
    background: var(--primary-color);
    margin: 15px auto 0;
    border-radius: 2px;
}

/* 横幅 */
.banner {
    background: url('./public/banner.jpg') no-repeat center center;
    background-size: cover;
    background-position: center;
    padding: 120px 20px;
    text-align: center;
    position: relative;
    width: 100%;
    min-height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.2);
    z-index: 1;
}

.banner .container {
    position: relative;
    z-index: 2;
}

.banner h1 {
    font-size: 56px;
    color: #fff;
    margin-bottom: 20px;
    font-weight: 800;
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.3);
    animation: fadeInUp 0.8s ease;
}

.banner p {
    font-size: 22px;
    color: #fff;
    margin-bottom: 0;
    animation: fadeInUp 0.8s ease 0.2s both;
    text-shadow: 1px 1px 4px rgba(0, 0, 0, 0.3);
}

.banner img {
    display: none;
}

/* 卡片通用样式 */
.card {
    background: var(--bg-white);
    border-radius: 12px;
    padding: 30px;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

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

/* 核心优势 */
.core-adv {
    max-width: 1200px;
    margin: 60px auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    padding: 0 20px;
}

.adv-item {
    text-align: center;
    padding: 40px 30px;
    border-radius: 12px;
    background: var(--bg-white);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.adv-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.adv-item i {
    font-size: 48px;
    color: var(--primary-color);
    margin-bottom: 20px;
    display: inline-block;
    animation: float 3s ease-in-out infinite;
}

.adv-item h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.adv-item p {
    color: var(--text-light);
    font-size: 15px;
    line-height: 1.6;
}

/* 业务列表 */
.business {
    max-width: 1200px;
    margin: 80px auto;
    padding: 0 20px;
}

.business-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.business-item {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
}

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

.business-item img {
    width: 100%;
    height: auto;
    max-height: 250px;
    object-fit: contain;
    transition: var(--transition);
    background-color: var(--bg-light);
}

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

.business-item .info {
    padding: 25px;
    flex: 1;
}

.business-item h3 {
    font-size: 20px;
    margin-bottom: 12px;
    color: var(--primary-color);
}

.business-item p {
    color: var(--text-light);
    font-size: 15px;
    line-height: 1.6;
}

/* 合作伙伴 */
.partner {
    max-width: 1200px;
    margin: 80px auto;
    padding: 0 20px;
}

.partner-list {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.partner-item {
    width: 200px;
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    background: var(--bg-white);
    font-weight: 600;
    font-size: 18px;
    color: var(--primary-color);
    transition: var(--transition);
}

.partner-item:hover {
    border-color: var(--primary-color);
    background: var(--primary-light);
    transform: scale(1.05);
}

/* 荣誉 */
.honor {
    max-width: 1200px;
    margin: 80px auto;
    padding: 0 20px;
}

.honor-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    justify-content: center;
}

.honor-item {
    text-align: center;
    background: var(--bg-white);
    padding: 30px;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

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

.honor-item img {
    width: 200px;
    height: 150px;
    object-fit: contain;
    margin-bottom: 15px;
}

.honor-item p {
    color: var(--text-dark);
    font-size: 16px;
    font-weight: 600;
}

/* 关于页面 */
.about-content {
    max-width: 1200px;
    margin: 60px auto;
    padding: 0 20px;
}

.about-brief {
    background: var(--bg-light);
    padding: 40px;
    border-radius: 12px;
    margin-bottom: 60px;
    border-left: 4px solid var(--primary-color);
}

.about-brief h3 {
    font-size: 28px;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.about-brief p {
    font-size: 16px;
    color: var(--text-medium);
    line-height: 1.8;
    margin-bottom: 15px;
}

.advantage-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 30px;
}

.advantage-item {
    display: flex;
    align-items: flex-start;
    padding: 30px;
    background: var(--bg-white);
    border-radius: 12px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.advantage-item:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-md);
}

.advantage-item i {
    font-size: 28px;
    color: var(--primary-color);
    margin-right: 20px;
    margin-top: 5px;
    flex-shrink: 0;
}

.advantage-item .text h4 {
    font-size: 20px;
    margin-bottom: 12px;
    color: var(--text-dark);
}

.advantage-item .text p {
    color: var(--text-light);
    font-size: 15px;
    line-height: 1.6;
}

/* 业务详情页 */
.business-detail {
    max-width: 1200px;
    margin: 60px auto;
    padding: 0 20px;
}

.business-category {
    margin-bottom: 80px;
}

.business-category h3 {
    font-size: 26px;
    color: var(--primary-color);
    margin-bottom: 30px;
    border-left: 4px solid var(--primary-color);
    padding-left: 20px;
}

.business-detail-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: start;
}

.business-img {
    height: 400px;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    background-color: var(--bg-light);
    display: flex;
    align-items: center;
    justify-content: center;
}

.business-img img {
    width: 100%;
    height: auto;
    max-height: 400px;
    object-fit: contain;
    transition: var(--transition);
}

.business-img:hover img {
    transform: scale(1.02);
}

.business-text h4 {
    font-size: 22px;
    margin-bottom: 20px;
    color: var(--text-dark);
}

.business-text p {
    color: var(--text-light);
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 20px;
}

.business-text ul {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.business-text li {
    color: var(--text-medium);
    font-size: 15px;
    padding-left: 25px;
    position: relative;
}

.business-text li::before {
    content: "✅";
    position: absolute;
    left: 0;
    color: var(--primary-color);
}

/* 联系页面 */
.contact-page {
    max-width: 900px;
    margin: 60px auto;
    padding: 0 20px;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
}

.contact-info {
    background: var(--bg-white);
    padding: 40px;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
}

.contact-info h3 {
    font-size: 26px;
    color: var(--primary-color);
    margin-bottom: 30px;
    text-align: center;
}

.contact-cards {
    display: flex;
    flex-direction: column;
    gap: 18px;
    margin-bottom: 35px;
}

.contact-card {
    display: flex;
    align-items: center;
    padding: 20px 25px;
    background: var(--bg-light);
    border-radius: 10px;
    border: 2px solid var(--border-color);
    transition: var(--transition);
    margin-bottom: 0;
}

.contact-card:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-md);
    transform: translateX(6px);
}

.card-icon {
    font-size: 36px;
    margin-right: 20px;
    flex-shrink: 0;
}

.card-content {
    flex: 1;
}

.card-content h4 {
    font-size: 15px;
    color: var(--text-light);
    margin-bottom: 6px;
    font-weight: 500;
}

.card-content p {
    font-size: 18px;
    color: var(--text-dark);
    font-weight: 600;
    margin-bottom: 4px;
}

.card-content span {
    font-size: 14px;
    color: var(--text-light);
}

.contact-list {
    list-style: none;
    margin-bottom: 40px;
}

.contact-list li {
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    font-size: 16px;
    color: var(--text-medium);
    padding: 15px;
    background: var(--bg-light);
    border-radius: 8px;
    transition: var(--transition);
}

.contact-list li:hover {
    background: var(--primary-light);
}

.contact-list li i {
    font-size: 24px;
    color: var(--primary-color);
    margin-right: 15px;
    width: 40px;
    text-align: center;
}

.contact-qrcode {
    text-align: center;
    padding: 30px;
    background: var(--bg-light);
    border-radius: 10px;
    margin-top: 30px;
}

.contact-qrcode h4 {
    font-size: 20px;
    margin-bottom: 20px;
    color: var(--text-dark);
}

.qrcode-img {
    display: flex;
    gap: 35px;
    justify-content: center;
}

.qrcode-img div {
    text-align: center;
}

.qrcode-img img {
    width: 160px;
    height: 160px;
    border-radius: 10px;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

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

.qrcode-img p {
    margin-top: 10px;
    color: var(--text-light);
    font-size: 14px;
    font-weight: 500;
}

/* 地图区域 */
.contact-map {
    background: var(--bg-white);
    padding: 40px;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
}

.contact-map h3 {
    font-size: 24px;
    color: var(--primary-color);
    margin-bottom: 30px;
}

.map-container {
    width: 100%;
    height: 400px;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    margin-bottom: 20px;
    background: var(--bg-light);
    display: flex;
    align-items: center;
    justify-content: center;
}

.map-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* 交通指引 */
.contact-transport {
    background: var(--bg-white);
    padding: 40px;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
}

.contact-transport h3 {
    font-size: 24px;
    color: var(--primary-color);
    margin-bottom: 30px;
}

.transport-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.transport-list li {
    display: flex;
    align-items: flex-start;
    padding: 20px;
    background: var(--bg-light);
    border-radius: 10px;
    transition: var(--transition);
    border: 2px solid transparent;
}

.transport-list li:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-md);
    transform: translateX(5px);
}

.transport-icon {
    font-size: 36px;
    margin-right: 20px;
    flex-shrink: 0;
}

.transport-content {
    flex: 1;
}

.transport-content h5 {
    font-size: 18px;
    color: var(--text-dark);
    margin-bottom: 8px;
    font-weight: 600;
}

.transport-content p {
    font-size: 15px;
    color: var(--text-light);
    line-height: 1.6;
}

.map-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.map-info {
    background: var(--bg-light);
    padding: 20px;
    border-radius: 8px;
    border-left: 4px solid var(--primary-color);
}

.map-info p {
    color: var(--text-medium);
    font-size: 15px;
    line-height: 1.8;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
}

.map-info p:last-child {
    margin-bottom: 0;
}

/* 表单 */
.contact-form {
    background: var(--bg-light);
    padding: 50px;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
}

.contact-form h3 {
    font-size: 24px;
    color: var(--primary-color);
    margin-bottom: 30px;
    text-align: center;
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 10px;
    font-size: 16px;
    color: var(--text-dark);
    font-weight: 600;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px 20px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 16px;
    font-family: inherit;
    transition: var(--transition);
    background: var(--bg-white);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(15, 82, 186, 0.1);
}

.form-group textarea {
    height: 150px;
    resize: vertical;
}

.submit-btn {
    width: 100%;
    padding: 16px 32px;
    background: var(--primary-color);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-md);
}

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

.submit-btn:active {
    transform: translateY(0);
}

/* 服务运营 */
.service-operation {
    max-width: 1200px;
    margin: 60px auto;
    padding: 0 20px;
}

.standard-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.standard-item {
    text-align: center;
    padding: 50px 30px;
    background: var(--bg-light);
    border-radius: 12px;
    transition: var(--transition);
    border: 2px solid transparent;
}

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

.standard-item i {
    font-size: 56px;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.standard-item h4 {
    font-size: 22px;
    margin-bottom: 15px;
    color: var(--text-dark);
}

.standard-item p {
    color: var(--text-light);
    font-size: 15px;
    line-height: 1.6;
}

/* 表格 */
.risk-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 30px;
    box-shadow: var(--shadow-md);
    border-radius: 12px;
    overflow: hidden;
}

.risk-table th,
.risk-table td {
    padding: 20px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.risk-table th {
    background: var(--primary-color);
    color: #fff;
    font-weight: 600;
    font-size: 16px;
}

.risk-table tr:hover td {
    background: var(--primary-light);
}

.risk-table td:first-child {
    font-weight: 600;
    color: var(--primary-color);
}

.kpi-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
    margin-top: 30px;
}

.kpi-item {
    padding: 12px 24px;
    background: var(--primary-light);
    color: var(--primary-color);
    border-radius: 30px;
    font-size: 16px;
    font-weight: 600;
    transition: var(--transition);
    border: 2px solid var(--primary-color);
}

.kpi-item:hover {
    background: var(--primary-color);
    color: #fff;
    transform: scale(1.05);
}

.system-intro {
    background: var(--bg-light);
    padding: 50px;
    border-radius: 12px;
    margin-top: 30px;
    border-left: 4px solid var(--primary-color);
}

.system-intro h4 {
    font-size: 24px;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.system-intro p {
    color: var(--text-medium);
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 20px;
}

/* 发展规划 */
.development-plan {
    max-width: 1200px;
    margin: 60px auto;
    padding: 0 20px;
}

.plan-overview {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: #fff;
    padding: 60px;
    border-radius: 16px;
    margin-bottom: 80px;
    text-align: center;
    box-shadow: var(--shadow-xl);
}

.plan-overview h3 {
    font-size: 32px;
    margin-bottom: 25px;
}

.plan-overview p {
    font-size: 18px;
    line-height: 1.8;
    opacity: 0.95;
}

.plan-detail {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 40px;
}

.plan-item {
    background: var(--bg-white);
    padding: 45px;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

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

.plan-item h4 {
    font-size: 24px;
    color: var(--primary-color);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    font-weight: 700;
}

.plan-item h4::before {
    content: attr(data-number);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 45px;
    height: 45px;
    background: var(--primary-color);
    color: #fff;
    border-radius: 50%;
    text-align: center;
    line-height: 45px;
    margin-right: 15px;
    font-size: 20px;
    font-weight: 800;
    flex-shrink: 0;
}

.plan-item p {
    color: var(--text-medium);
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 20px;
}

.plan-item ul {
    list-style: none;
}

.plan-item li {
    color: var(--text-dark);
    margin-bottom: 12px;
    font-size: 15px;
    padding-left: 30px;
    position: relative;
    line-height: 1.6;
}

.plan-item li::before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

/* 底部 */
.footer {
    background: #1f2937;
    color: #fff;
    padding: 80px 0 30px;
    margin-top: 80px;
}

.footer .container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    padding: 0 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.footer-col h3 {
    font-size: 20px;
    margin-bottom: 25px;
    color: #fff;
    font-weight: 700;
}

.footer-col p {
    font-size: 15px;
    line-height: 1.8;
    color: #9ca3af;
    margin-bottom: 12px;
}

.footer-col .contact {
    list-style: none;
}

.footer-col .contact li {
    margin-bottom: 12px;
    font-size: 15px;
    color: #9ca3af;
}

.footer-col a {
    color: #9ca3af;
    transition: var(--transition);
}

.footer-col a:hover {
    color: #fff;
}

.copyright {
    text-align: center;
    padding-top: 30px;
    margin-top: 40px;
    border-top: 1px solid #374151;
    font-size: 14px;
    color: #6b7280;
}

.copyright a {
    color: #9ca3af;
    text-decoration: none;
    transition: var(--transition);
    padding: 0 4px;
}

.copyright a:hover {
    color: #fff;
    text-decoration: underline;
}

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

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .core-adv {
        grid-template-columns: repeat(2, 1fr);
    }

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

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

    .business-detail-content {
        grid-template-columns: 1fr;
    }

    .contact-content {
        grid-template-columns: 1fr;
    }

    .plan-detail {
        grid-template-columns: 1fr;
    }

    .plan-item h4::before {
        width: 40px;
        height: 40px;
        line-height: 40px;
        font-size: 18px;
    }
}

@media (max-width: 768px) {
    /* 容器优化 */
    .container {
        padding: 0 15px;
    }

    /* 头部导航优化 */
    .header {
        padding: 12px 0;
    }

    .header .container {
        flex-direction: column;
        gap: 12px;
    }

    .nav-list {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
        gap: 8px;
    }

    .nav-list li {
        margin: 0;
    }

    .nav-list a {
        font-size: 14px;
        padding: 6px 10px;
    }

    /* Banner 优化 */
    .banner {
        padding: 80px 20px;
        min-height: 450px;
    }

    .banner h1 {
        font-size: 36px;
        line-height: 1.3;
    }

    .banner p {
        font-size: 18px;
        line-height: 1.6;
    }

    /* 标题优化 */
    .title {
        font-size: 26px;
        margin-bottom: 30px;
    }

    /* 核心优势优化 */
    .core-adv {
        grid-template-columns: 1fr;
        gap: 20px;
        margin: 40px auto;
    }

    .adv-item {
        padding: 30px 20px;
    }

    .adv-item i {
        font-size: 44px;
    }

    /* 业务列表优化 */
    .business-list {
        grid-template-columns: 1fr;
        gap: 20px;
        margin-top: 30px;
    }

    .business-item img {
        height: 180px;
    }

    /* 荣誉列表优化 */
    .honor-list {
        grid-template-columns: 1fr;
        gap: 25px;
    }

    .honor-item img {
        width: 180px;
        height: 135px;
    }

    /* 合作伙伴优化 */
    .partner-list {
        gap: 15px;
    }

    .partner-item {
        width: 140px;
        height: 70px;
        font-size: 14px;
    }

    /* 标准列表优化 */
    .standard-list {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    /* 业务详情优化 */
    .business-detail-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .business-text ul {
        grid-template-columns: 1fr;
    }

    /* 联系页面优化 */
    .contact-page {
        margin: 40px auto;
    }

    .contact-content {
        gap: 30px;
    }

    .contact-info {
        padding: 30px 20px;
    }

    .contact-info h3 {
        font-size: 22px;
        margin-bottom: 20px;
    }

    .contact-cards {
        gap: 12px;
        margin-bottom: 25px;
    }

    .contact-card {
        padding: 15px 18px;
        flex-direction: column;
        text-align: center;
    }

    .card-icon {
        font-size: 32px;
        margin-right: 0;
        margin-bottom: 10px;
    }

    .card-content h4 {
        font-size: 13px;
        margin-bottom: 3px;
    }

    .card-content p {
        font-size: 16px;
        margin-bottom: 3px;
    }

    .card-content span {
        font-size: 12px;
    }

    .contact-qrcode {
        padding: 20px 15px;
        margin-top: 20px;
    }

    .contact-qrcode h4 {
        font-size: 17px;
        margin-bottom: 15px;
    }

    .qrcode-img {
        gap: 18px;
        flex-wrap: wrap;
    }

    .qrcode-img img {
        width: 125px;
        height: 125px;
    }

    .qrcode-img p {
        font-size: 12px;
    }

    /* 表单优化 */
    .submit-btn {
        padding: 14px 24px;
        font-size: 16px;
    }

    /* 发展规划优化 */
    .plan-overview {
        padding: 35px 25px;
    }

    .plan-overview h3 {
        font-size: 22px;
    }

    .plan-overview p {
        font-size: 16px;
    }

    .plan-detail {
        grid-template-columns: 1fr;
        gap: 25px;
    }

    .plan-item {
        padding: 30px 20px;
    }

    /* 底部优化 */
    .footer {
        padding: 60px 0 25px;
        margin-top: 60px;
    }

    .footer .container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 30px;
    }

    .footer-col h3 {
        font-size: 18px;
        margin-bottom: 20px;
    }

    .footer-col p {
        font-size: 14px;
    }

    .footer-col .contact li {
        font-size: 14px;
    }

    .copyright {
        font-size: 13px;
        padding-top: 25px;
        margin-top: 35px;
    }
}

@media (max-width: 480px) {
    /* 容器优化 */
    .container {
        padding: 0 12px;
    }

    /* 头部优化 */
    .header {
        padding: 10px 0;
    }

    .nav-logo img {
        width: 80px;
    }

    .nav-list {
        gap: 6px;
    }

    .nav-list a {
        font-size: 13px;
        padding: 5px 8px;
    }

    /* Banner 优化 */
    .banner {
        padding: 70px 12px;
        min-height: 380px;
    }

    .banner h1 {
        font-size: 28px;
        line-height: 1.4;
    }

    .banner p {
        font-size: 16px;
    }

    /* 标题优化 */
    .title {
        font-size: 22px;
        margin-bottom: 25px;
        padding-bottom: 12px;
    }

    .title::after {
        width: 60px;
        height: 2px;
    }

    /* 核心优势优化 */
    .core-adv {
        margin: 30px auto;
        gap: 15px;
    }

    .adv-item {
        padding: 25px 15px;
    }

    .adv-item i {
        font-size: 40px;
        margin-bottom: 15px;
    }

    .adv-item h3 {
        font-size: 18px;
        margin-bottom: 10px;
    }

    .adv-item p {
        font-size: 14px;
    }

    /* 业务卡片优化 */
    .business {
        margin: 50px auto;
    }

    .business-list {
        gap: 15px;
        margin-top: 25px;
    }

    .business-item {
        overflow: hidden;
    }

    .business-item img {
        height: 150px;
    }

    .business-item .info {
        padding: 20px 15px;
    }

    .business-item h3 {
        font-size: 18px;
        margin-bottom: 10px;
    }

    .business-item p {
        font-size: 14px;
    }

    /* 荣誉优化 */
    .honor {
        margin: 50px auto;
    }

    .honor-item {
        padding: 20px 15px;
    }

    .honor-item img {
        width: 150px;
        height: 110px;
    }

    .honor-item p {
        font-size: 14px;
    }

    /* 合作伙伴优化 */
    .partner-list {
        gap: 12px;
    }

    .partner-item {
        width: 120px;
        height: 60px;
        font-size: 12px;
        border-radius: 8px;
    }

    /* 页面间距优化 */
    .about-content,
    .business-detail,
    .contact-page,
    .service-operation,
    .development-plan {
        margin: 40px auto;
    }

    /* 联系页面优化 */
    .contact-content {
        gap: 30px;
    }

    .contact-info {
        padding: 25px 15px;
    }

    .contact-info h3 {
        font-size: 20px;
        margin-bottom: 18px;
    }

    .contact-cards {
        gap: 10px;
        margin-bottom: 20px;
    }

    .contact-card {
        padding: 12px 15px;
    }

    .card-icon {
        font-size: 28px;
    }

    .contact-qrcode {
        padding: 18px 12px;
        margin-top: 18px;
    }

    .contact-qrcode h4 {
        font-size: 16px;
        margin-bottom: 12px;
    }

    .qrcode-img {
        gap: 15px;
        flex-wrap: wrap;
    }

    .qrcode-img img {
        width: 110px;
        height: 110px;
    }

    .qrcode-img p {
        font-size: 12px;
    }

    /* 表单优化 */
    .contact-form {
        padding: 30px 20px;
    }

    .form-group input,
    .form-group textarea {
        padding: 12px 15px;
        font-size: 15px;
    }

    /* 底部优化 */
    .footer {
        padding: 50px 0 20px;
    }

    .footer .container {
        gap: 25px;
    }

    .footer-col h3 {
        font-size: 16px;
    }

    .footer-col p,
    .footer-col .contact li {
        font-size: 13px;
    }

    .footer-col img {
        width: 100px;
        height: 100px;
    }

    .copyright {
        font-size: 12px;
        padding-top: 20px;
        margin-top: 30px;
    }

    /* 触摸优化 */
    .nav-list a:active {
        background: rgba(255, 255, 255, 0.2);
    }

    .business-item:active,
    .adv-item:active,
    .contact-card:active {
        transform: scale(0.98);
    }
}