:root {
    --primary-blue: #0A2463;
    --accent-green: #00B894;
    --light-blue: #E8F1FF;
    --light-gray: #F8F9FA;
    --medium-gray: #E9ECEF;
    --dark-gray: #6C757D;
    --darker-gray: #343A40;
    --white: #FFF;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    --border-radius: 8px;
    --transition: all 0.3s ease
    }
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box
    }
body {
    font-family: "Noto Sans SC", sans-serif;
    line-height: 1.6;
    color: var(--darker-gray);
    background-color: var(--white)
    }
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px
    }
/* 头部导航样式 */
header {
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    position: sticky;
    top: 0;
    z-index: 1000
    }
.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0
    }
.logo {
    display: flex;
    align-items: center;
    gap: 10px
    }
.logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-blue), var(--accent-green));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: 700
    }
.logo-text h1 {
    color: var(--primary-blue);
    font-size: 24px;
    font-weight: 700
    }
.logo-text p {
    color: var(--dark-gray);
    font-size: 12px;
    margin-top: -5px
    }
.nav-links {
    display: flex;
    gap: 30px
    }
.nav-links a {
    text-decoration: none;
    color: var(--darker-gray);
    font-weight: 500;
    transition: var(--transition);
    position: relative
    }
.nav-links a:hover {
    color: var(--primary-blue)
    }
.nav-links a.active {
    color: var(--primary-blue)
    }
.nav-links a.active::after {
    content: "";
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--primary-blue)
    }
.header-actions {
    display: flex;
    align-items: center;
    gap: 15px
    }
.btn-login {
    background: none;
    border: 1px solid var(--medium-gray);
    padding: 8px 20px;
    border-radius: var(--border-radius);
    color: var(--darker-gray);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition)
    }
.btn-login:hover {
    background-color: var(--light-gray)
    }
.btn-register {
    background-color: var(--primary-blue);
    border: none;
    padding: 8px 20px;
    border-radius: var(--border-radius);
    color: var(--white);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition)
    }
.btn-register:hover {
    background-color: #082048
    }
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    color: var(--primary-blue);
    cursor: pointer
    }
/* 面包屑导航 */
.breadcrumb {
    padding: 20px 0;
    background-color: var(--light-gray)
    }
.breadcrumb-content {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px
    }
.breadcrumb a {
    text-decoration: none;
    color: var(--dark-gray)
    }
.breadcrumb a:hover {
    color: var(--primary-blue)
    }
.breadcrumb .current {
    color: var(--primary-blue);
    font-weight: 500
    }
/* 页面标题 */
.page-header {
    padding: 40px 0 20px
    }
.page-title {
    font-size: 36px;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: 10px
    }
.page-subtitle {
    color: var(--dark-gray);
    font-size: 18px;
    margin-bottom: 30px
    }
/* 工具导航 */
.tools-nav {
    margin-bottom: 40px;
    background-color: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    overflow: hidden
    }
.tools-nav-list {
    display: flex;
    list-style: none;
    flex-wrap: wrap
    }
.tool-nav-item {
    flex: 1;
    min-width: 150px
    }
.tool-nav-link {
    display: block;
    padding: 20px;
    text-align: center;
    text-decoration: none;
    color: var(--darker-gray);
    font-weight: 500;
    transition: var(--transition);
    border-bottom: 3px solid transparent
    }
.tool-nav-link:hover {
    background-color: var(--light-gray);
    color: var(--primary-blue)
    }
.tool-nav-link.active {
    color: var(--primary-blue);
    border-bottom-color: var(--accent-green);
    background-color: var(--light-blue)
    }
.tool-nav-icon {
    font-size: 24px;
    margin-bottom: 10px;
    color: var(--primary-blue)
    }
/* 工具内容区域 */
.tools-content {
    background-color: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    padding: 40px;
    margin-bottom: 60px
    }
.tool-section {
    display: none
    }
.tool-section.active {
    display: block
    }
.tool-title {
    font-size: 28px;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px
    }
.tool-description {
    color: var(--dark-gray);
    margin-bottom: 30px;
    font-size: 16px
    }
/* 贷款计算器样式 */
.calculator-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px
    }
@media (max-width: 768px) {
    .calculator-container {
        grid-template-columns: 1fr
        }
    }
.calculator-inputs {
    display: flex;
    flex-direction: column;
    gap: 25px
    }
.input-group {
    display: flex;
    flex-direction: column
    }
.input-group label {
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--darker-gray);
    display: flex;
    justify-content: space-between
    }
.input-group .value-display {
    color: var(--primary-blue);
    font-weight: 600
    }
.slider-container {
    position: relative;
    margin-top: 5px
    }
.slider-container input[type="range"] {
    width: 100%;
    height: 8px;
    border-radius: 4px;
    background: var(--medium-gray);
    outline: none;
    -webkit-appearance: none
    }
.slider-container input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--accent-green);
    cursor: pointer;
    border: 3px solid var(--white);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2)
    }
.input-group input[type="number"] {
    padding: 12px 15px;
    border: 1px solid var(--medium-gray);
    border-radius: var(--border-radius);
    font-family: "Noto Sans SC", sans-serif;
    font-size: 16px;
    background-color: var(--white)
    }
.radio-group {
    display: flex;
    gap: 20px;
    margin-top: 10px
    }
.radio-option {
    display: flex;
    align-items: center;
    gap: 8px
    }
.radio-option input[type="radio"] {
    width: 18px;
    height: 18px;
    accent-color: var(--accent-green)
    }
.calculator-results {
    background-color: var(--light-blue);
    border-radius: var(--border-radius);
    padding: 30px;
    display: flex;
    flex-direction: column;
    justify-content: center
    }
.result-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1)
    }
.result-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0
    }
.result-label {
    font-size: 16px;
    color: var(--darker-gray)
    }
.result-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--primary-blue)
    }
.result-value .unit {
    font-size: 16px;
    font-weight: 500;
    margin-left: 5px
    }
.result-highlight {
    background-color: var(--accent-green);
    color: var(--white);
    padding: 10px 20px;
    border-radius: var(--border-radius);
    text-align: center;
    margin-top: 20px
    }
.result-highlight .label {
    font-size: 14px;
    margin-bottom: 5px
    }
.result-highlight .value {
    font-size: 32px;
    font-weight: 700
    }
/* 图表容器 */
.chart-container {
    height: 300px;
    margin-top: 30px;
    position: relative
    }
/* 按钮样式 */
.btn {
    padding: 12px 24px;
    border-radius: var(--border-radius);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-family: "Noto Sans SC", sans-serif;
    font-size: 16px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px
    }
.btn-primary {
    background-color: var(--accent-green);
    color: var(--white)
    }
.btn-primary:hover {
    background-color: #00a085
    }
.btn-secondary {
    background-color: var(--light-gray);
    color: var(--darker-gray);
    border: 1px solid var(--medium-gray)
    }
.btn-secondary:hover {
    background-color: var(--medium-gray)
    }
.btn-large {
    padding: 15px 30px;
    font-size: 18px
    }
.btn-full {
    width: 100%
    }
.action-buttons {
    display: flex;
    gap: 15px;
    margin-top: 30px
    }
/* 资格预审样式 */
.pre-qualification-container {
    max-width: 800px;
    margin: 0 auto
    }
.pre-qual-steps {
    display: flex;
    justify-content: space-between;
    margin-bottom: 40px;
    position: relative
    }
.pre-qual-steps::before {
    content: "";
    position: absolute;
    top: 20px;
    left: 10%;
    right: 10%;
    height: 3px;
    background-color: var(--medium-gray);
    z-index: 1
    }
.step {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    z-index: 2;
    flex: 1
    }
.step-circle {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--medium-gray);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    margin-bottom: 10px;
    transition: var(--transition)
    }
.step.active .step-circle {
    background-color: var(--accent-green)
    }
.step.completed .step-circle {
    background-color: var(--primary-blue)
    }
.step-label {
    font-size: 14px;
    color: var(--dark-gray);
    text-align: center
    }
.step.active .step-label {
    color: var(--primary-blue);
    font-weight: 500
    }
.pre-qual-form {
    display: none
    }
.pre-qual-form.active {
    display: block
    }
.form-step {
    animation: fadeIn 0.5s ease
    }
@keyframes fadeIn {
    from {
        opacity: 0;
        } to {
        opacity: 1;
        }
    }
.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 25px
    }
.form-group {
    display: flex;
    flex-direction: column
    }
.form-group label {
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--darker-gray)
    }
.form-group input, .form-group select {
    padding: 12px 15px;
    border: 1px solid var(--medium-gray);
    border-radius: var(--border-radius);
    font-family: "Noto Sans SC", sans-serif;
    font-size: 16px;
    background-color: var(--white)
    }
.form-group input:focus, .form-group select:focus {
    outline: none;
    border-color: var(--accent-green)
    }
.form-actions {
    display: flex;
    justify-content: space-between;
    margin-top: 40px
    }
/* 结果页面 */
.result-container {
    text-align: center;
    padding: 40px 20px
    }
.result-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background-color: var(--light-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 36px;
    color: var(--primary-blue)
    }
.result-title {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--primary-blue)
    }
.result-subtitle {
    font-size: 18px;
    color: var(--dark-gray);
    margin-bottom: 30px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto
    }
.result-details {
    background-color: var(--light-gray);
    border-radius: var(--border-radius);
    padding: 30px;
    margin: 30px 0;
    text-align: left
    }
.result-details h3 {
    font-size: 20px;
    color: var(--primary-blue);
    margin-bottom: 20px
    }
.result-list {
    list-style: none
    }
.result-list li {
    padding: 10px 0;
    border-bottom: 1px solid var(--medium-gray);
    display: flex;
    justify-content: space-between
    }
.result-list li:last-child {
    border-bottom: none
    }
.result-progress {
    margin: 40px 0
    }
.progress-bar {
    height: 20px;
    background-color: var(--medium-gray);
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 10px
    }
.progress-fill {
    height: 100%;
    background-color: var(--accent-green);
    border-radius: 10px;
    transition: width 1s ease
    }
.progress-label {
    display: flex;
    justify-content: space-between;
    font-size: 14px
    }
/* 还款计划表样式 */
.repayment-container {
    display: flex;
    flex-direction: column;
    gap: 30px
    }
.repayment-summary {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px
    }
.summary-card {
    background-color: var(--light-blue);
    border-radius: var(--border-radius);
    padding: 20px;
    text-align: center
    }
.summary-card h4 {
    font-size: 14px;
    color: var(--dark-gray);
    margin-bottom: 10px
    }
.summary-card .value {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-blue)
    }
.summary-card .unit {
    font-size: 14px;
    color: var(--dark-gray);
    margin-left: 5px
    }
.repayment-table-container {
    overflow-x: auto
    }
.repayment-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px
    }
.repayment-table th {
    background-color: var(--primary-blue);
    color: var(--white);
    padding: 15px;
    text-align: left;
    font-weight: 600
    }
.repayment-table td {
    padding: 15px;
    border-bottom: 1px solid var(--medium-gray)
    }
.repayment-table tr:nth-child(even) {
    background-color: var(--light-gray)
    }
.repayment-table tr:hover {
    background-color: var(--light-blue)
    }
/* 信用评估样式 */
.credit-assessment-container {
    max-width: 800px;
    margin: 0 auto
    }
.credit-score-card {
    background: linear-gradient(135deg, var(--primary-blue) 0%, #1E4B8F 100%);
    border-radius: var(--border-radius);
    padding: 30px;
    color: var(--white);
    text-align: center;
    margin-bottom: 40px
    }
.credit-score-value {
    font-size: 72px;
    font-weight: 700;
    margin: 20px 0
    }
.credit-score-label {
    font-size: 18px;
    opacity: 0.9
    }
.credit-category {
    display: inline-block;
    background-color: rgba(255, 255, 255, 0.2);
    padding: 5px 15px;
    border-radius: 20px;
    margin-top: 10px;
    font-weight: 600
    }
.credit-factors {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 40px
    }
.factor-card {
    background-color: var(--white);
    border-radius: var(--border-radius);
    padding: 25px;
    box-shadow: var(--shadow)
    }
.factor-card h3 {
    font-size: 18px;
    color: var(--primary-blue);
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px
    }
.factor-score {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 15px
    }
.factor-score-bar {
    flex: 1;
    height: 8px;
    background-color: var(--medium-gray);
    border-radius: 4px;
    overflow: hidden;
    margin: 0 15px
    }
.factor-score-fill {
    height: 100%;
    background-color: var(--accent-green);
    border-radius: 4px
    }
.factor-score-value {
    font-weight: 700;
    color: var(--primary-blue);
    min-width: 40px
    }
.factor-tips {
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid var(--medium-gray)
    }
.factor-tips h4 {
    font-size: 14px;
    color: var(--dark-gray);
    margin-bottom: 10px
    }
.factor-tips ul {
    list-style: none;
    font-size: 14px
    }
.factor-tips li {
    margin-bottom: 8px;
    display: flex;
    align-items: flex-start;
    gap: 8px
    }
.factor-tips li:before {
    content: "✓";
    color: var(--accent-green);
    font-weight: bold
    }
/* 工具卡片网格 */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px
    }
.tool-card {
    background-color: var(--white);
    border-radius: var(--border-radius);
    padding: 30px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    text-align: center;
    cursor: pointer;
    border: 2px solid transparent
    }
.tool-card:hover {
    border-color: var(--accent-green);
    transform: translatey(-5px)
    }
.tool-card-icon {
    width: 70px;
    height: 70px;
    background-color: var(--light-blue);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: var(--primary-blue);
    font-size: 28px
    }
.tool-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--primary-blue)
    }
.tool-card p {
    color: var(--dark-gray);
    font-size: 14px;
    margin-bottom: 20px
    }
/* 其他工具页面样式 */
.other-tools {
    margin-top: 60px
    }
.section-title {
    font-size: 28px;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: 30px;
    text-align: center
    }
/* 底部样式 */
footer {
    background-color: var(--primary-blue);
    color: var(--white);
    padding: 60px 0 30px;
    margin-top: 50px
    }
.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 40px
    }
.footer-column h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--white)
    }
.footer-column ul {
    list-style: none
    }
.footer-column ul li {
    margin-bottom: 12px
    }
.footer-column ul li a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition)
    }
.footer-column ul li a:hover {
    color: var(--white);
    padding-left: 5px
    }
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px
    }
.footer-disclaimer {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    max-width: 600px
    }
.social-links {
    display: flex;
    gap: 15px
    }
.social-links a {
    color: var(--white);
    background-color: rgba(255, 255, 255, 0.1);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: var(--transition)
    }
.social-links a:hover {
    background-color: var(--accent-green);
    transform: translatey(-3px)
    }
/* 响应式设计 */
@media (max-width: 992px) {
    .tools-nav-list {
        flex-direction: column
        }
    .tool-nav-item {
        min-width: 100%
        }
    .calculator-container {
        grid-template-columns: 1fr
        }
    .pre-qual-steps::before {
        left: 5%;
        right: 5%
        }
    }
@media (max-width: 768px) {
    .mobile-menu-btn {
        display: block
        }
    .nav-links {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        width: 100%;
        background-color: var(--white);
        flex-direction: column;
        padding: 20px;
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
        z-index: 100
        }
    .nav-links.active {
        display: flex
        }
    .tools-content {
        padding: 25px
        }
    .page-title {
        font-size: 32px
        }
    .form-actions {
        flex-direction: column;
        gap: 15px
        }
    .btn {
        width: 100%
        }
    .action-buttons {
        flex-direction: column
        }
    .repayment-summary {
        grid-template-columns: 1fr
        }
    }
@media (max-width: 576px) {
    .page-title {
        font-size: 28px
        }
    .tools-content {
        padding: 20px
        }
    .tool-title {
        font-size: 24px
        }
    .credit-score-value {
        font-size: 56px
        }
    .result-value {
        font-size: 24px
        }
    }