/* ==================== 合并后的CSS样式 ==================== */
/* 说明：以文档1样式为主，文档2的冲突样式在下方单独标注 */

/* 全局样式 - 以文档1为主 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Microsoft YaHei", Arial, sans-serif;
}

body {
    background-color: white;
    color: #333;
    line-height: 1.6;
    position: relative;
    overflow-x: hidden;
}

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

ul {
    list-style: none;
}

.container {
    width: 100%;
    /*max-width: 1200px;*/
    margin: 0 auto;
}

.container_index {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.pr{position:relative;}
.ps{position:absolute;}
.pf{position:fixed;}

.body_container{margin-top:110px;margin-bottom:40px;}
.header_title{width:100%;margin:30px 0;text-align:center;}

.btn {
    display: inline-block;
    padding: 10px 25px;
    background-color: #1a73e8;
    color: white;
    border-radius: 4px;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
    font-size: 16px;
}

.btn:hover {
    background-color: #0d5cb6;
    transform: translateY(-2px);
}

/* 头部样式 */
header {
    background-color: white;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px;
}

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

.logo img {
    height: 40px;
    margin-right: 10px;
}

.logo h1 {
    font-size: 24px;
    color: #1a73e8;
}

/* 导航菜单 */
nav ul {
    display: flex;
}

nav li {
    position: relative;
    margin: 0 35px;
}

nav a {
    padding: 10px 0;
    font-size: 16px;
    color: #333;
    transition: color 0.3s;
}

nav a:hover, nav a.now{
    color: #1a73e8;
}

nav a .a_arrow{margin-left:5px;}
nav a:hover .a_arrow{transform: rotate(180deg);transition: transform 0.2s ease; /* 可选：添加过渡效果 */}

/* 二级菜单 */
.submenu {
    position: absolute;
    top: 100%;
    left: 0;
    width: 600px;
    background: white;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    border-radius: 4px;
    padding: 20px;
    display: none;
    z-index: 100;
}

.has-submenu:hover .submenu {
    display: block;
}

.submenu-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.submenu-item {
    display: flex;
    align-items: center;
    padding: 15px;
    border-radius: 4px;
    transition: background 0.3s;
}

.submenu-item:hover,.submenu-item-on{
    background: #f5f9ff;
}

.submenu-icon {
    width: 60px;
    height: 60px;
    background: #f0f7ff;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 15px;
    font-size: 24px;
    color: #1a73e8;
}

.submenu-text h3 {
    font-size: 16px;
    margin-bottom: 5px;
}

.submenu-text p {
    font-size: 12px;
    color: #666;
}

/* 登录/注册按钮 */
.auth-buttons {
    display: flex;
    align-items: center;
}

.login-btn {
    margin-right: 15px;
    color: #1a73e8;
    cursor: pointer;
}

.register-btn {
    background: #1a73e8;
    color: white;
    padding: 8px 20px;
    border-radius: 4px;
    cursor: pointer;
}

/* Banner轮播图 */
.banner {
    height: 70vh;
    position: relative;
    overflow: hidden;
    margin-top: 70px;
}

.banner-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s;
    display: flex;
    align-items: center;
    background-size: cover;
    background-position: center;
    padding-left:20px;
}

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

.banner-content {
    max-width: 80%;
    color: white;
    padding-left: 10%;
}

.banner-title {
    font-size: 36px;
    margin-bottom: 15px;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
}

.banner-desc {
    font-size: 18px;
    margin-bottom: 25px;
    line-height: 1.5;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

.banner-nav {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
}

.banner-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    margin: 0 5px;
    cursor: pointer;
    transition: background 0.3s;
}

.banner-dot.active {
    background: white;
}

.banner-prev, .banner-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 24px;
    cursor: pointer;
    transition: background 0.3s;
}

.banner-prev:hover, .banner-next:hover {
    background: rgba(0, 0, 0, 0.6);
}

.banner-prev {
    left: 20px;
}

.banner-next {
    right: 20px;
}

.banner_01 {
    /* 背景图设置 */
    background-image: url('../img/banner_01.png'), linear-gradient(135deg, #1a73e8, #0d47a1);
    
    /* 背景图位置和重复方式 */
    background-position: right center;
    background-repeat: no-repeat;
    
    /* 背景大小 */
    background-size: auto 100%;
}

/* 内容区块 */
.section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    font-size: 32px;
    margin-bottom: 50px;
    color: #333;
}

/* 功能模块 */
.features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.feature-item {
    text-align: center;
    padding: 30px 20px;
    border-radius: 8px;
    transition: transform 0.3s, box-shadow 0.3s;
}

.feature-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: #f0f7ff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 32px;
    color: #1a73e8;
}

.feature-title {
    font-size: 20px;
    margin-bottom: 15px;
}

/* 图文区块 */
.content-block {
    display: flex;
    align-items: center;
    margin-bottom: 60px;
}

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

.content-image {
    flex: 1;
    border-radius: 8px;
    overflow: hidden;
}

.content-image img {
    width: 100%;
    height: auto;
    display: block;
}

.content-text {
    flex: 1;
    padding: 0 40px;
}

.content-text h3 {
    font-size: 24px;
    margin-bottom: 20px;
}

.content-text p {
    font-size: 16px;
    color: #666;
    line-height: 1.8;
}

/* 简介区块 */
.intro-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.intro-item {
    text-align: center;
    padding: 30px 20px;
    border-radius: 8px;
    background: #f9f9f9;
    transition: background 0.3s;
}

.intro-item:hover {
    background: #f0f7ff;
}

.intro-icon {
    width: 60px;
    height: 60px;
    background: #1a73e8;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: white;
    font-size: 24px;
}

.intro-title {
    font-size: 18px;
    margin-bottom: 15px;
}

/* 政策模块 */
.policy-section {
    background: #f9f9f9;
}

.policy-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.policy-column h3 {
    font-size: 20px;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid #1a73e8;
}

.policy-list li {
    padding: 12px 0;
    border-bottom: 1px solid #eee;
}

.policy-list li:last-child {
    border-bottom: none;
}

/* 底部样式 */
footer {
    background: #2c3e50;
    color: #ecf0f1;
    padding: 60px 0 0;
}

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

.footer-logo {
    margin-bottom: 20px;
}

.footer-logo img {
    height: 40px;
}

.footer-about p {
    margin-bottom: 20px;
    line-height: 1.8;
}

.footer-links h4, .footer-contact h4 {
    font-size: 18px;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.footer-links h4:after, .footer-contact h4:after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 40px;
    height: 2px;
    background: #1a73e8;
}

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

.footer-links a {
    transition: color 0.3s;
}

.footer-links a:hover {
    color: #1a73e8;
}

.contact-info {
    margin-bottom: 20px;
}

.contact-item {
    display: flex;
    align-items: center;
    margin-bottom: 10px;
}

.contact-icon {
    width: 20px;
    margin-right: 10px;
    text-align: center;
}

.qrcode-section {
    display: flex;
    gap: 20px;
}

.qrcode-item {
    text-align: center;
}

.qrcode-item img {
    width: 100px;
    height: 100px;
    margin-bottom: 10px;
}

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

.footer-bottom {
    background: #1a252f;
    padding: 20px 0;
    text-align: center;
    font-size: 14px;
}

/* 登录/注册弹窗 */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 2000;
    align-items: center;
    justify-content: center;
}

.modal-content {
    position: fixed;
    top: 50%;
    left: 50%;
    background: white;
    width: 90%;
    max-width: 500px;
    border-radius: 8px;
    overflow: hidden;
    position: relative;
    z-index: 3000;
    transform: translate(-50%, -50%); 
    padding:20px;
}

.modal-close {
    position: absolute;
    top: 15px;
    right: 15px;
    font-size: 24px;
    cursor: pointer;
    z-index: 10;
}

.modal-tabs {
    display: flex;
    border-bottom: 1px solid #eee;
}

.modal-tab {
    flex: 1;
    text-align: center;
    padding: 15px;
    cursor: pointer;
    background: #f5f5f5;
}

.modal-tab.active {
    background: white;
    font-weight: bold;
}

.modal-body {
    padding: 30px;
}

.modal-form {
    display: none;
}

.modal-form.active {
    display: block;
}

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

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-size: 14px;
}

.form-group input {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
}

.form-submit {
    width: 100%;
    padding: 12px;
    background: #1a73e8;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
}

.qrcode-login {
    text-align: center;
    margin-top: 20px;
}

.qrcode-login img {
    width: 150px;
    height: 150px;
    margin-bottom: 10px;
}


/* ==================== 文档2的冲突样式（被覆盖） ==================== */
/* 以下样式与文档1冲突，以文档1样式为准 */

/* 冲突1: body背景色 */
/* 文档2: body { background-color: #f5f7fa; } */
/* 已采用文档1: body { background-color: white; } */

/* 冲突2: 字体设置 */
/* 文档2: * { font-family: 'Arial', sans-serif; } */
/* 已采用文档1: * { font-family: "Microsoft YaHei", Arial, sans-serif; } */

/* 冲突3: .container样式 */
/* 文档2: .container { max-width: 1200px; padding: 20px; ... } */
/* 已采用文档1: .container { width: 100%; padding: 0 15px; ... } */

/* 冲突4: .btn样式 */
/* 文档2: .btn { padding: 12px 24px; ... } */
/* 已采用文档1: .btn { padding: 10px 25px; ... } */

/* 冲突5: .modal样式 */
/* 文档2: .modal { justify-content: center; align-items: center; } */
/* 已采用文档1: .modal { align-items: center; justify-content: center; } */

/* 冲突6: .modal-content样式 */
/* 文档2: .modal-content { top:50%; left:50%; transform:translate(-50%,-50%); } */
/* 已采用文档1: .modal-content { position: relative; } */

/* 冲突7: .form-group input样式 */
/* 文档2: .form-group input { padding: 12px 15px; ... } */
/* 已采用文档1: .form-group input { padding: 10px; ... } */

/* ==================== 文档2独有的样式（无冲突，直接添加） ==================== */

/* 背景画布样式 */
#background-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    opacity: 0.3;
}

/* 评估页面特有样式 */
.evaluation-container {
    background: white;
    border-radius: 8px;
    padding: 30px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    max-width:1200px;
    margin:0 auto;
}

.step {
    display: none;
}

.step.active {
    display: block;
}

.step h2 {
    font-size: 1.8rem;
    color: #3498db;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 1px solid #eee;
}

/* 表单特有样式 */
.form-group input.base_error[type="text"],
.form-group input.base_error[type="email"],
.form-group select.base_error,
.form-group textarea.base_error {
    border: 1px solid #e74c3c;
}

.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 10px center;
    background-size: 1em;
}

.form-actions {
    display: flex;
    justify-content: space-between;
    margin-top: 30px;
}


/* 表单样式 */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #2c3e50;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
    transition: border-color 0.3s;
}

.form-group input[type="text"]:focus,
.form-group input[type="email"]:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: #3498db;
    outline: none;
}

.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 10px center;
    background-size: 1em;
}

.form-group input.base_error[type="text"],
.form-group input.base_error[type="email"],
.form-group select.base_error,
.form-group textarea.base_error {
    border: 1px solid #e74c3c;
}


/* 问卷问题样式 */
.question {
    margin-bottom: 25px;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 6px;
}

.question_error {
    background: #ffeebc;
}

.question_error .question-text {
    color:#e74c3c;
}

.question-text {
    font-weight: 600;
    margin-bottom: 15px;
    color: #2c3e50;
}

.required .question-text:after {
    content: " *";
    color: #e74c3c;
}

.out_citylist{float:left;width:100%;}
.citylist{float:left;width:120px;padding-left:10px;padding-right:10px;}

.options-container {
    margin-left: 15px;
}

.option {
    margin-bottom: 10px;
}

.option input[type="radio"],
.option input[type="checkbox"] {
    margin-right: 10px;
}

.option label {
    cursor: pointer;
}

.input-answer {
    width: 100%;
    padding: 0 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    min-height: 40px;
    line-height:40px;
    resize: vertical;
}

.text-answer {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    min-height: 100px;
    resize: vertical;
}

/* 加载状态 */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.8);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    display: none;
}

.loading-spinner {
    position: fixed;
    left: 50%;
    top: 50%;
    width: 50px;
    height: 50px;
    border: 5px solid #f3f3f3;
    border-top: 5px solid #3498db;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 20px;
    transform:translate(-50%,-50%);
}

.loading-txt {
    position: fixed;
    width:100%;
    height:30px;
    line-height:30px;
    text-align: center;
    font-size:14px;
    font-weight:bolder;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 弹窗特有样式 */
.close-btn {
    position: absolute;
    top: 15px;
    right: 15px;
    font-size: 24px;
    cursor: pointer;
    color: #7f8c8d;
}

.close-btn:hover {
    color: #333;
}

.modal-message,#modal-message {
    margin-bottom: 20px;
    font-size: 16px;
    line-height: 1.6;
    padding:10px 0 0 0;
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
}

/* 结果页面样式 */
.results-container {
    background: white;
    border-radius: 8px;
    padding: 30px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.basic-info-section,
.calculation-section,
.comparison-section {
    margin-bottom: 40px;
}

.basic-info-section h2,
.calculation-section h2,
.comparison-section h2 {
    font-size: 1.8rem;
    color: #3498db;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 1px solid #eee;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(330px, 1fr));
    gap: 20px;
}

.info-item {
    background: #f8f9fa;
    padding: 15px;
    border-radius: 6px;
}

.info-label {
    font-weight: 600;
    color: #2c3e50;
    display: block;
    margin-bottom: 5px;
}

.info-value {
    color: #7f8c8d;
}

/* 标签页样式 */
.tabs {
    margin-top: 20px;
}

.first-level-tabs {
    display: flex;
    border-bottom: 1px solid #ddd;
    margin-bottom: 15px;
}

.tab-btn {
    padding: 10px 20px;
    background: none;
    border: none;
    border-bottom: 3px solid transparent;
    font-size: 16px;
    font-weight: 600;
    color: #7f8c8d;
    cursor: pointer;
    transition: all 0.3s;
}

.tab-btn.active {
    color: #3498db;
    border-bottom-color: #3498db;
}

.second-level-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 20px;
}

.sub-tab-btn {
    padding: 8px 15px;
    background: #ecf0f1;
    border: none;
    border-radius: 4px;
    font-size: 14px;
    color: #7f8c8d;
    cursor: pointer;
    transition: all 0.3s;
}

.sub-tab-btn.active {
    background: #3498db;
    color: white;
}

.tab-content {
    padding: 20px 0;
}

/* 评分显示 */
.score-display {
    display: flex;
    align-items: center;
    gap: 30px;
}

.score-circle {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    background: linear-gradient(135deg, #3498db, #2ecc71);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: white;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

#score-value {
    font-size: 3rem;
    font-weight: 700;
    line-height: 1;
}

.score-label {
    font-size: 1rem;
    margin-top: 5px;
}

.score-details {
    flex: 1;
}

.score-item {
    margin-bottom: 10px;
}

.score-category {
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 5px;
}

.score-bar {
    height: 10px;
    background: #ecf0f1;
    border-radius: 5px;
    overflow: hidden;
}

.score-progress {
    height: 100%;
    background: linear-gradient(90deg, #3498db, #2ecc71);
    border-radius: 5px;
}

/* 图表容器 */
.chart-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 20px;
}

.chart-box {
    background: white;
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.chart {
    width: 100%;
    height: 400px;
}

.chart-legend {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 20px;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 5px;
}

.legend-color {
    width: 15px;
    height: 15px;
    border-radius: 3px;
}

.legend-text {
    font-size: 14px;
    color: #7f8c8d;
}

.actions {
    display: flex;
    justify-content: center;
    margin-top: 40px;
}

.bottom_menu_box{display:none;}

#score-chart {
    width:100%;
    max-width: 500px;
    height: 400px;
    margin: 0 auto;
    /*background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);*/
    /*border-radius: 15px;*/
    /*box-shadow: 0 10px 30px rgba(0,0,0,0.1);*/
}

/*企业百强榜*/
.container_top10 {
    max-width: 1000px;
    margin: 0 auto;
    padding: 40px 20px;
    margin-top:100px;
}

.top100_header {
    text-align: center;
    padding: 40px 20px;
    margin-bottom: 40px;
    position: relative;
}

.top100_header h1 {
    font-size: 2.8rem;
    margin-bottom: 15px;
    color: #1a365d;
    font-weight: 700;
    letter-spacing: 1px;
}

.subtitle_top10 {
    font-size: 1.2rem;
    color: #4a5568;
    max-width: 600px;
    margin: 0 auto;
}

.stats_top10 {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-top: 30px;
    flex-wrap: wrap;
}

.stat-item-top10 {
    background: #f8fafc;
    padding: 12px 20px;
    border-radius: 8px;
    border-left: 4px solid #2d37af;
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 500;
}

.controls_top10 {
    display: flex;
    justify-content: space-between;
    margin-bottom: 30px;
    flex-wrap: wrap;
    gap: 20px;
    background: #f8fafc;
    padding: 20px;
    border-radius: 10px;
}

.search-box-top10 {
    flex-grow: 1;
    max-width: 400px;
    position: relative;
}

.search-box-top10 input {
    width: 100%;
    padding: 12px 20px 12px 45px;
    border: 1px solid #e2e8f0;
    border-radius: 6px;
    font-size: 1rem;
    background: #ffffff;
    color: #2d37af;
    transition: all 0.3s ease;
}

.search-box-top10 input:focus {
    outline: none;
    border-color: #4a5568;
    box-shadow: 0 0 0 2px rgba(74, 85, 104, 0.1);
}

.search-icon {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: #4a5568;
}

.filter-options {
    display: flex;
    gap: 15px;
}

.filter-options select {
    padding: 12px 20px;
    border: 1px solid #e2e8f0;
    border-radius: 6px;
    background: #ffffff;
    color: #2d37af;
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-options select:focus {
    outline: none;
    border-color: #4a5568;
}

.enterprises-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 40px;
}

.enterprise-item {
    background: #ffffff;
    padding: 18px 25px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.04);
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    border-left: 4px solid transparent;
}

.enterprise-item:hover {
    transform: translateX(5px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.08);
    border-left-color: #2d37af;
}

.rank-top10 {
    font-size: 1.2rem;
    font-weight: bold;
    min-width: 50px;
    text-align: center;
    color: #4a5568;
}

.company-name {
    font-size: 1.2rem;
    font-weight: 500;
    color: #2d37af;
    flex-grow: 1;
}

.pagination {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 40px;
}

.pagination button {
    padding: 10px 16px;
    border: 1px solid #e2e8f0;
    background: #ffffff;
    border-radius: 6px;
    cursor: pointer;
    color: #4a5568;
    transition: all 0.3s ease;
}

.pagination button.active {
    background: #2d37af;
    color: #ffffff;
    border-color: #2d37af;
}

.pagination button:hover:not(.active) {
    background: #f7fafc;
    border-color: #2d37af;
}

footer {
    text-align: center;
    padding: 30px;
    margin-top: 50px;
    color: #718096;
    border-top: 1px solid #e2e8f0;
    font-size: 0.9rem;
}

/* 排名前三的特殊样式 */
.top-3 .rank-top10 {
    /* 
    background: #2d37af;
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right:5px;
    */
    color:#e74c3c;
}

.top-3 {
    background: #f8fafc;
    border-left-color: #2d37af;
}

/* 装饰线条 */
.divider {
    height: 1px;
    background: #e2e8f0;
    margin: 20px 0;
}

.top10_next_a{position:absolute;display:block;width:100%;height:100%;left:0;top:0;z-index:10;}




/* 响应式设计 */
@media (max-width: 992px) {
    .features, .intro-grid, .policy-grid, .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .content-block {
        flex-direction: column;
    }
    
    .content-block.reverse {
        flex-direction: column;
    }
    
    .content-text {
        padding: 20px 0;
    }
    
    .banner-title {
        font-size: 28px;
    }
    
    .banner-desc {
        font-size: 16px;
    }

    .banner_01 {
        background:linear-gradient(135deg, #1a73e8, #0d47a1);
    }
}

@media (max-width: 768px) {
    .body_container {
        margin-top:0;
    }
    .banner{margin:0;}
    footer{display:none;}
    .bottom_menu_box{display:block;}
    .header-container {
        flex-direction: column;
        padding: 10px 0;
        display:none;
    }
    
    .logo {
        margin-bottom: 10px;
    }
    
    nav ul {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    nav li {
        margin: 5px 10px;
    }
    
    .submenu {
        width: 100%;
        left: 0;
    }
    
    .submenu-grid {
        grid-template-columns: 1fr;
    }
    
    .auth-buttons {
        margin-top: 10px;
    }
    
    .banner {
        height: 50vh;
        margin-top: 120px;
    }
    
    .banner-title {
        font-size: 24px;
    }
    
    .banner-desc {
        font-size: 14px;
    }
    
    .section {
        padding: 50px 0;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .banner_01 {
        background:linear-gradient(135deg, #1a73e8, #0d47a1);
    }

    /*企业百强榜*/
    .container_top10  {
        margin-top:0;
    }
    .controls_top10 {
        flex-direction: column;
    }
    
    .search-box-top10 {
        max-width: 100%;
    }
    
    h1 {
        font-size: 2.2rem;
    }
    
    .stats_top10 {
        flex-direction: column;
        align-items: center;
    }
    
    .enterprise-item {
        padding: 15px 20px;
    }
    
    .rank-top10 {
        min-width: 40px;
        font-size: 1.1rem;
    }
    
    .company-name {
        font-size: 1.1rem;
    }
}

@media (max-width: 576px) {
    .body_container {
        margin-top:0;
    }
    .banner{margin:0;}
    .header_link_sno{margin-top:0;margin-bottom:20px;}
    footer{display:none;}
    .bottom_menu_box{display:block;}
    .header-container {
        display:none;
    }
    .features, .intro-grid, .policy-grid, .footer-content {
        grid-template-columns: 1fr;
    }
    
    .banner-prev, .banner-next {
        width: 40px;
        height: 40px;
        font-size: 18px;
    }
    
    .banner-content {
        max-width: 90%;
    }
    
    .banner_01 {
        background:linear-gradient(135deg, #1a73e8, #0d47a1);
    }
    .container_top10  {
        margin-top:0;
    }
    .controls_top10 {
        flex-direction: column;
        margin-top:0;
    }
}

/* 文档2特有的响应式设计 */
@media (max-width: 768px) {
    .info-grid {
        grid-template-columns: 1fr;
    }
    
    .form-actions {
        flex-direction: column;
        gap: 10px;
    }
    
    .score-display {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .first-level-tabs {
        flex-wrap: wrap;
    }
    
    .tab-btn {
        padding: 8px 15px;
        font-size: 14px;
    }
    
    .chart-container {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .step h2,
    .basic-info-section h2,
    .calculation-section h2,
    .comparison-section h2 {
        font-size: 1.5rem;
    }
    
    .question {
        padding: 15px;
    }
}

/* 底部菜单样式 */
.bottom-menu {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background-color: #fff;
    display: flex;
    justify-content: space-around;
    align-items: center;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    padding: 0;
}

.bottom-menu-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 8px 12px;
    position: relative;
    flex: 1;
    cursor: pointer;
    transition: all 0.3s ease;
}

.bottom-menu-item.active {
    color: #3498db;
}

.bottom-menu-icon {
    font-size: 20px;
    margin-bottom: 4px;
}

.bottom-menu-text {
    font-size: 12px;
}

/* 二级菜单样式 */
.bottom-submenu {
    position: absolute;
    bottom: 100%;
    left: -50%;
    width: 150%;
    background-color: #fff;
    border-radius: 10px 10px 0 0;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
    display: none;
    flex-direction: column;
    overflow: hidden;
    z-index: 999;
}

.bs_2{left:-25%;}

.bottom-submenu.active {
    display: flex;
    animation: slideUp 0.3s ease;
}

.bottom-submenu-item {
    padding: 15px 20px;
    border-bottom: 1px solid #f0f0f0;
    text-align: center;
    transition: background-color 0.2s;
}

.bottom-submenu-item:last-child {
    border-bottom: none;
}

.bottom-submenu-item:hover {
    background-color: #f9f9f9;
}

/* 遮罩层 */
.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: none;
    z-index: 998;
}

.overlay.active {
    display: block;
}

.bottom_m_a{display:block;z-index:10;width:100%;height:100%;left:0;top:0;}

/* 动画 */
@keyframes slideUp {
    from {
        transform: translateY(100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@media (min-width: 769px) {
    .bottom-menu,.overlay{display:none;}
}

/* 响应式调整 */
@media (max-width: 768px) {
    .bottom-menu-text {
        font-size: 11px;
    }
    
    .bottom-menu-icon {
        font-size: 18px;
    }
}

@media (max-width: 576px) {
    .bottom-menu-text {
        font-size: 11px;
    }
    
    .bottom-menu-icon {
        font-size: 18px;
    }
}