: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
    }
/* 咨询方式选择 */
.consultation-methods {
    margin-bottom: 50px
    }
.methods-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px
    }
.method-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
    }
.method-card:hover {
    border-color: var(--accent-green);
    transform: translatey(-5px)
    }
.method-card.active {
    border-color: var(--accent-green);
    background-color: var(--light-blue)
    }
.method-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
    }
.method-card.active .method-icon {
    background-color: var(--accent-green);
    color: var(--white)
    }
.method-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--primary-blue)
    }
.method-card p {
    color: var(--dark-gray);
    font-size: 14px;
    margin-bottom: 15px
    }
.method-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
    justify-content: center;
    margin-top: 10px
    }
.method-tag {
    background-color: var(--light-blue);
    color: var(--primary-blue);
    padding: 3px 8px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 500
    }
/* 咨询内容区域 */
.consultation-content {
    background-color: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    padding: 40px;
    margin-bottom: 60px;
    min-height: 500px
    }
.consultation-section {
    display: none
    }
.consultation-section.active {
    display: block
    }
.section-title {
    font-size: 28px;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px
    }
.section-description {
    color: var(--dark-gray);
    margin-bottom: 30px;
    font-size: 16px
    }
/* 在线问答样式 */
.chat-container {
    display: flex;
    flex-direction: column;
    height: 500px;
    border: 1px solid var(--medium-gray);
    border-radius: var(--border-radius);
    overflow: hidden
    }
.chat-header {
    background-color: var(--primary-blue);
    color: var(--white);
    padding: 15px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between
    }
.chat-header-info {
    display: flex;
    align-items: center;
    gap: 10px
    }
.chat-status {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: var(--accent-green)
    }
.chat-messages {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
    background-color: var(--light-gray);
    display: flex;
    flex-direction: column;
    gap: 15px
    }
.message {
    max-width: 70%;
    padding: 12px 16px;
    border-radius: 18px;
    position: relative
    }
.message.ai {
    align-self: flex-start;
    background-color: var(--white);
    border: 1px solid var(--medium-gray)
    }
.message.user {
    align-self: flex-end;
    background-color: var(--accent-green);
    color: var(--white)
    }
.message-time {
    font-size: 11px;
    color: var(--dark-gray);
    margin-top: 5px;
    text-align: right
    }
.message.user .message-time {
    color: rgba(255, 255, 255, 0.8)
    }
.chat-input-area {
    padding: 20px;
    border-top: 1px solid var(--medium-gray);
    background-color: var(--white)
    }
.chat-input-container {
    display: flex;
    gap: 10px
    }
.chat-input {
    flex: 1;
    padding: 12px 15px;
    border: 1px solid var(--medium-gray);
    border-radius: var(--border-radius);
    font-family: "Noto Sans SC", sans-serif;
    font-size: 16px;
    resize: none;
    min-height: 50px;
    max-height: 100px
    }
.chat-input:focus {
    outline: none;
    border-color: var(--accent-green)
    }
.chat-send-btn {
    background-color: var(--accent-green);
    color: var(--white);
    border: none;
    border-radius: var(--border-radius);
    width: 50px;
    cursor: pointer;
    transition: var(--transition)
    }
.chat-send-btn:hover {
    background-color: #00a085
    }
.quick-questions {
    margin-top: 20px
    }
.quick-questions-title {
    font-size: 14px;
    color: var(--dark-gray);
    margin-bottom: 10px
    }
.quick-question-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 10px
    }
.quick-question-btn {
    background-color: var(--light-blue);
    color: var(--primary-blue);
    border: none;
    padding: 8px 15px;
    border-radius: 20px;
    font-size: 14px;
    cursor: pointer;
    transition: var(--transition)
    }
.quick-question-btn:hover {
    background-color: var(--primary-blue);
    color: var(--white)
    }
/* 预约顾问样式 */
.appointment-container {
    max-width: 800px;
    margin: 0 auto
    }
.advisor-selection {
    margin-bottom: 40px
    }
.advisor-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 20px
    }
.advisor-card {
    background-color: var(--white);
    border-radius: var(--border-radius);
    padding: 20px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 2px solid transparent;
    cursor: pointer;
    text-align: center
    }
.advisor-card:hover {
    border-color: var(--accent-green)
    }
.advisor-card.selected {
    border-color: var(--accent-green);
    background-color: var(--light-blue)
    }
.advisor-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background-color: var(--light-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
    font-size: 32px;
    color: var(--primary-blue);
    overflow: hidden
    }
.advisor-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover
    }
.advisor-name {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 5px;
    color: var(--primary-blue)
    }
.advisor-title {
    font-size: 14px;
    color: var(--dark-gray);
    margin-bottom: 10px
    }
.advisor-rating {
    color: #FFC107;
    margin-bottom: 10px
    }
.advisor-specialties {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
    justify-content: center;
    margin-top: 10px
    }
.advisor-specialty {
    background-color: var(--light-blue);
    color: var(--primary-blue);
    padding: 3px 8px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 500
    }
.appointment-form {
    background-color: var(--light-gray);
    border-radius: var(--border-radius);
    padding: 30px
    }
.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 20px
    }
.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, .form-group textarea {
    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 textarea {
    resize: vertical;
    min-height: 100px
    }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--accent-green)
    }
.time-slots {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 10px;
    margin-top: 10px
    }
.time-slot {
    background-color: var(--white);
    border: 1px solid var(--medium-gray);
    border-radius: var(--border-radius);
    padding: 10px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition)
    }
.time-slot:hover {
    border-color: var(--accent-green)
    }
.time-slot.selected {
    background-color: var(--accent-green);
    color: var(--white);
    border-color: var(--accent-green)
    }
.time-slot.unavailable {
    background-color: var(--light-gray);
    color: var(--dark-gray);
    cursor: not-allowed;
    opacity: 0.5
    }
.form-actions {
    display: flex;
    gap: 15px;
    margin-top: 30px
    }
/* 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%
    }
/* 专家专栏样式 */
.experts-container {
    max-width: 1000px;
    margin: 0 auto
    }
.expert-articles {
    display: flex;
    flex-direction: column;
    gap: 25px;
    margin-top: 30px
    }
.article-card {
    background-color: var(--white);
    border-radius: var(--border-radius);
    padding: 25px;
    box-shadow: var(--shadow);
    transition: var(--transition)
    }
.article-card:hover {
    transform: translatey(-3px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12)
    }
.article-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 15px
    }
.article-info {
    flex: 1
    }
.article-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: 5px;
    text-decoration: none;
    display: block
    }
.article-title:hover {
    text-decoration: underline
    }
.article-meta {
    display: flex;
    gap: 15px;
    font-size: 14px;
    color: var(--dark-gray);
    margin-bottom: 10px
    }
.article-expert {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px
    }
.expert-avatar-small {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--light-blue);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-blue);
    font-size: 16px;
    overflow: hidden
    }
.expert-avatar-small img {
    width: 100%;
    height: 100%;
    object-fit: cover
    }
.expert-name {
    font-weight: 500;
    color: var(--primary-blue)
    }
.article-excerpt {
    color: var(--dark-gray);
    line-height: 1.6;
    margin-bottom: 15px
    }
.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px
    }
.article-tag {
    background-color: var(--light-blue);
    color: var(--primary-blue);
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500
    }
.article-read-more {
    color: var(--accent-green);
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    margin-top: 15px
    }
.article-read-more:hover {
    text-decoration: underline
    }
.article-image {
    width: 150px;
    height: 100px;
    border-radius: var(--border-radius);
    overflow: hidden
    }
.article-image img {
    width: 100%;
    height: 100%;
    object-fit: cover
    }

        /* 专家文章详情弹窗 */
        .puhui-modal-backdrop {
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.55);
            display: none;
            z-index: 9998;
        }

        .puhui-modal {
            position: fixed;
            inset: 0;
            display: none;
            align-items: center;
            justify-content: center;
            padding: 20px;
            z-index: 9999;
        }

        .puhui-modal-dialog {
            width: 100%;
            max-width: 900px;
            max-height: 85vh;
            overflow: auto;
            background: var(--white);
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            padding: 18px 18px 22px;
        }

        .puhui-modal-header {
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            gap: 12px;
            margin-bottom: 10px;
        }

        .puhui-modal-title {
            font-size: 22px;
            font-weight: 800;
            color: var(--primary-blue);
            line-height: 1.3;
        }

        .puhui-modal-close {
            background: var(--light-gray);
            border: 1px solid var(--medium-gray);
            border-radius: var(--border-radius);
            width: 36px;
            height: 36px;
            cursor: pointer;
            color: var(--darker-gray);
            font-size: 22px;
            line-height: 1;
        }

        .puhui-modal-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 14px;
            color: var(--dark-gray);
            margin-bottom: 14px;
        }

        .puhui-modal-body {
            color: var(--darker-gray);
            line-height: 1.8;
        }

        .puhui-modal-body p {
            margin: 10px 0;
        }

        .puhui-modal-open {
            overflow: hidden;
        }
/* 案例库样式 */
.cases-container {
    max-width: 1000px;
    margin: 0 auto
    }
.case-filters {
    background-color: var(--light-gray);
    border-radius: var(--border-radius);
    padding: 20px;
    margin-bottom: 30px
    }
.filter-row {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    align-items: center
    }
.filter-group {
    display: flex;
    flex-direction: column
    }
.filter-group label {
    font-size: 14px;
    color: var(--dark-gray);
    margin-bottom: 5px
    }
.filter-group select {
    padding: 10px 15px;
    border: 1px solid var(--medium-gray);
    border-radius: var(--border-radius);
    font-family: "Noto Sans SC", sans-serif;
    font-size: 14px;
    background-color: var(--white);
    min-width: 150px
    }
.case-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px
    }
.case-card {
    background-color: var(--white);
    border-radius: var(--border-radius);
    padding: 25px;
    box-shadow: var(--shadow);
    transition: var(--transition)
    }
.case-card:hover {
    transform: translatey(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12)
    }
.case-category {
    display: inline-block;
    background-color: var(--light-blue);
    color: var(--primary-blue);
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 15px
    }
.case-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: 10px
    }
.case-client-info {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
    font-size: 14px;
    color: var(--dark-gray)
    }
.case-summary {
    color: var(--darker-gray);
    line-height: 1.6;
    margin-bottom: 20px
    }
.case-challenge, .case-solution, .case-result {
    margin-bottom: 15px
    }
.case-subtitle {
    font-size: 16px;
    font-weight: 600;
    color: var(--primary-blue);
    margin-bottom: 5px;
    display: flex;
    align-items: center;
    gap: 5px
    }
.case-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 15px
    }
.case-tag {
    background-color: var(--light-gray);
    color: var(--dark-gray);
    padding: 3px 8px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 500
    }
/* 分页 */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    margin-top: 50px
    }
.pagination button {
    background-color: var(--white);
    border: 1px solid var(--medium-gray);
    color: var(--darker-gray);
    width: 40px;
    height: 40px;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center
    }
.pagination button:hover:not(:disabled) {
    background-color: var(--light-blue);
    color: var(--primary-blue)
    }
.pagination button.active {
    background-color: var(--primary-blue);
    color: var(--white);
    border-color: var(--primary-blue)
    }
.pagination button:disabled {
    color: var(--medium-gray);
    cursor: not-allowed
    }
.pagination-ellipsis {
    color: var(--dark-gray);
    margin: 0 5px
    }
/* 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) {
    .methods-grid {
        grid-template-columns: repeat(2, 1fr)
        }
    .advisor-grid {
        grid-template-columns: repeat(2, 1fr)
        }
    .article-header {
        flex-direction: column
        }
    .article-image {
        width: 100%;
        height: 200px;
        margin-top: 15px
        }
    }
@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
        }
    .methods-grid {
        grid-template-columns: 1fr
        }
    .advisor-grid {
        grid-template-columns: 1fr
        }
    .consultation-content {
        padding: 25px
        }
    .page-title {
        font-size: 32px
        }
    .form-actions {
        flex-direction: column
        }
    .btn {
        width: 100%
        }
    .case-grid {
        grid-template-columns: 1fr
        }
    }
@media (max-width: 576px) {
    .page-title {
        font-size: 28px
        }
    .consultation-content {
        padding: 20px
        }
    .section-title {
        font-size: 24px
        }
    .message {
        max-width: 85%
        }
    .filter-row {
        flex-direction: column;
        align-items: flex-start
        }
    .filter-group {
        width: 100%
        }
    .filter-group select {
        width: 100%
        }
    }

/* 流式回复加载动画 */
.message.typing .message-loading {
    display: flex;
    gap: 4px;
}
.message.typing .dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #999;
    animation: typing 1.4s infinite ease-in-out both;
}
.message.typing .dot:nth-child(1) { animation-delay: -0.32s; }
.message.typing .dot:nth-child(2) { animation-delay: -0.16s; }

@keyframes typing {
    0%, 80%, 100% { transform: scale(0); }
    40% { transform: scale(1); }
}