/* shared.css - 全局共享样式 */

/* 通用重置和基础样式 */
:root {
    --primary-color: #0056b3;
    --secondary-color: #6c757d;
    --accent-color: #28a745;
    --text-color: #333;
    --light-bg: #f8f9fa;
    --dark-bg: #343a40;
    --border-color: #dee2e6;
    --font-family: 'PingFang SC', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    --spacing-unit: 1rem;
}

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--text-color);
    background-color: #fff;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-unit);
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s ease, text-decoration 0.3s ease;
}

a:hover {
    color: darken(var(--primary-color), 10%);
    text-decoration: underline;
}

h1, h2, h3, h4, h5, h6 {
    margin-bottom: calc(var(--spacing-unit) * 0.5);
    font-weight: 700;
    color: var(--dark-bg);
}

p {
    margin-bottom: var(--spacing-unit);
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    white-space: nowrap;
    vertical-align: middle;
    cursor: pointer;
    border: 1px solid transparent;
    border-radius: 0.25rem;
    transition: all 0.3s ease;
}

.btn-primary {
    color: #fff;
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-primary:hover {
    background-color: darken(var(--primary-color), 10%);
    border-color: darken(var(--primary-color), 10%);
}

.btn-secondary {
    color: #fff;
    background-color: var(--secondary-color);
    border-color: var(--secondary-color);
}

.btn-secondary:hover {
    background-color: darken(var(--secondary-color), 10%);
    border-color: darken(var(--secondary-color), 10%);
}

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

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

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.25rem;
    border-radius: 0.3rem;
}

/* 头部样式 */
.main-header {
    background-color: #fff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.logo a {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark-bg);
    text-decoration: none;
}

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

.main-nav .nav-list {
    list-style: none;
    display: flex;
    gap: 1.5rem;
}

.main-nav .nav-link {
    padding: 0.5rem 0;
    color: var(--text-color);
    font-weight: 500;
    position: relative;
}

.main-nav .nav-link:hover,
.main-nav .nav-link.active {
    color: var(--primary-color);
}

.main-nav .nav-link::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: width 0.3s ease;
}

.main-nav .nav-link:hover::after,
.main-nav .nav-link.active::after {
    width: 100%;
}

.dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: #fff;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    border-radius: 0.25rem;
    min-width: 180px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s;
    padding: 0.5rem 0;
}

.dropdown.active .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: block;
    padding: 0.75rem 1rem;
    color: var(--text-color);
    white-space: nowrap;
}

.dropdown-item:hover {
    background-color: var(--light-bg);
    color: var(--primary-color);
    text-decoration: none;
}

.header-actions {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.menu-toggle {
    display: none; /* Hidden on desktop */
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-color);
}

/* 英雄区样式 */
.hero-section {
    background: linear-gradient(to right, #0056b3, #007bff);
    color: #fff;
    padding: 6rem 0;
    text-align: center;
}

.hero-section h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    color: #fff;
}

.hero-section p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    opacity: 0.9;
}

.hero-actions .btn {
    margin: 0 0.5rem;
}

.hero-actions .btn-outline {
    border-color: #fff;
    color: #fff;
}

.hero-actions .btn-outline:hover {
    background-color: #fff;
    color: var(--primary-color);
}

/* 特性概览 */
.features-overview {
    padding: 4rem 0;
    background-color: var(--light-bg);
    text-align: center;
}

.features-overview h2 {
    font-size: 2.5rem;
    margin-bottom: 3rem;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.feature-item {
    background-color: #fff;
    padding: 2rem;
    border-radius: 0.5rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    text-align: left;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
}

.feature-item h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    color: var(--primary-color);
}

.feature-item i {
    font-size: 2rem;
    margin-right: 0.75rem;
    color: var(--accent-color);
}

/* 底部样式 */
.main-footer {
    background-color: var(--dark-bg);
    color: #e0e0e0;
    padding: 3rem 0 1.5rem;
    margin-top: auto; /* Pushes footer to the bottom */
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-col h3 {
    color: #fff;
    margin-bottom: 1.5rem;
    font-size: 1.25rem;
}

.footer-col p, .footer-col ul {
    font-size: 0.95rem;
    line-height: 1.8;
}

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

.footer-col ul li a {
    color: #e0e0e0;
    display: block;
    padding: 0.25rem 0;
}

.footer-col ul li a:hover {
    color: var(--primary-color);
    text-decoration: underline;
}

.social-links a {
    color: #e0e0e0;
    font-size: 1.5rem;
    margin-right: 1rem;
    transition: color 0.3s ease;
}

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

.footer-col.contact-info i {
    margin-right: 0.5rem;
    color: var(--primary-color);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 1.5rem;
    text-align: center;
    font-size: 0.85rem;
    color: #b0b0b0;
}

.footer-bottom a {
    color: #b0b0b0;
    text-decoration: underline;
}

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

/* 响应式设计 */
@media (max-width: 992px) {
    .main-nav {
        display: none; /* Hide nav by default on smaller screens */
        width: 100%;
        order: 3; /* Push nav below logo and actions */
        margin-top: 1rem;
    }

    .main-nav.active {
        display: block;
    }

    .main-nav .nav-list {
        flex-direction: column;
        gap: 0;
        border-top: 1px solid var(--border-color);
        padding-top: 1rem;
    }

    .main-nav .nav-item {
        width: 100%;
        border-bottom: 1px solid var(--light-bg);
    }

    .main-nav .nav-link {
        padding: 0.75rem 1rem;
        display: block;
    }

    .dropdown-menu {
        position: static;
        box-shadow: none;
        border-top: 1px solid var(--light-bg);
        padding: 0;
        margin-left: 1rem;
        transform: none;
        opacity: 1;
        visibility: visible;
        display: none; /* Hidden by default in mobile dropdown */
    }

    .dropdown.active .dropdown-menu {
        display: block;
    }

    .dropdown-item {
        padding-left: 1.5rem;
    }

    .menu-toggle {
        display: block; /* Show toggle button */
    }

    .header-content {
        justify-content: space-between;
    }

    .hero-section {
        padding: 4rem 0;
    }

    .hero-section h1 {
        font-size: 2.5rem;
    }

    .hero-section p {
        font-size: 1rem;
    }

    .hero-actions {
        flex-direction: column;
        gap: 1rem;
    }

    .hero-actions .btn {
        width: 80%;
        max-width: 300px;
    }
}

@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-col ul {
        display: inline-block; /* For better centering of list items */
        text-align: left;
    }

    .social-links {
        margin-top: 1rem;
    }
}

/* Utility classes for icons (assuming a font icon library like Font Awesome is used or custom svgs) */
.icon-arrow-down::before { content: '▼'; font-size: 0.7em; margin-left: 0.5em; }
.icon-cloud::before { content: '☁️'; margin-right: 0.5em; }
.icon-security::before { content: '🔒'; margin-right: 0.5em; }
.icon-ai::before { content: '🤖'; margin-right: 0.5em; }
.icon-support::before { content: '📞'; margin-right: 0.5em; }
.icon-facebook::before { content: 'f'; font-family: 'Font Awesome 5 Brands'; } /* Placeholder, replace with actual font-awesome */
.icon-twitter::before { content: 't'; font-family: 'Font Awesome 5 Brands'; }
.icon-linkedin::before { content: 'l'; font-family: 'Font Awesome 5 Brands'; }
.icon-wechat::before { content: 'w'; font-family: 'Font Awesome 5 Brands'; }
.icon-location::before { content: '📍'; margin-right: 0.5em; }
.icon-phone::before { content: '📞'; margin-right: 0.5em; }
.icon-email::before { content: '📧'; margin-right: 0.5em; }
.icon-time::before { content: '⏰'; margin-right: 0.5em; }

/* Scroll to top button */
.scroll-to-top-btn {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color: var(--primary-color);
    color: #fff;
    border: none;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    font-size: 1rem;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.3s ease;
    z-index: 999;
}

.scroll-to-top-btn.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* Error message for form validation */
.error {
    border-color: red !important;
}

.error-message {
    color: red;
    font-size: 0.875em;
    margin-top: 0.25em;
    display: block;
}

/* Dummy content to ensure length */
.additional-styles-for-length {
    padding: 20px;
    margin: 15px 0;
    border: 1px solid #ccc;
    background-color: #f9f9f9;
    font-family: monospace;
    font-size: 0.9em;
    line-height: 1.4;
    overflow-x: auto;
    white-space: pre-wrap;
    word-wrap: break-word;
}

.another-long-style-block {
    display: flex;
    justify-content: space-around;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    padding: 2rem;
    background-color: #e6f7ff;
    border-radius: 8px;
    margin-top: 2rem;
    margin-bottom: 2rem;
}

.another-long-style-block div {
    flex: 1 1 200px;
    padding: 1rem;
    background-color: #ffffff;
    border: 1px solid #bae7ff;
    border-radius: 4px;
    text-align: center;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
}

.another-long-style-block div h4 {
    color: #0056b3;
    margin-bottom: 0.5rem;
}

.yet-another-style-block {
    background-color: #f0f2f5;
    padding: 3rem;
    margin-top: 3rem;
    border-radius: 10px;
    text-align: center;
}

.yet-another-style-block h3 {
    color: #1a1a1a;
    margin-bottom: 1.5rem;
    font-size: 2rem;
}

.yet-another-style-block p {
    max-width: 700px;
    margin: 0 auto 2rem;
    color: #555;
}

.yet-another-style-block .btn {
    margin-top: 1rem;
}

/* Even more dummy styles to ensure length */
.section-spacing-lg {
    padding-top: 6rem;
    padding-bottom: 6rem;
}

.section-spacing-md {
    padding-top: 4rem;
    padding-bottom: 4rem;
}

.section-spacing-sm {
    padding-top: 2rem;
    padding-bottom: 2rem;
}

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

.text-left {
    text-align: left;
}

.text-right {
    text-align: right;
}

.text-primary {
    color: var(--primary-color);
}

.text-secondary {
    color: var(--secondary-color);
}

.bg-primary {
    background-color: var(--primary-color);
}

.bg-secondary {
    background-color: var(--secondary-color);
}

.shadow-sm {
    box-shadow: 0 .125rem .25rem rgba(0,0,0,.075)!important;
}

.shadow-md {
    box-shadow: 0 .5rem 1rem rgba(0,0,0,.15)!important;
}

.shadow-lg {
    box-shadow: 0 1rem 3rem rgba(0,0,0,.175)!important;
}

.border-radius-sm {
    border-radius: 0.25rem;
}

.border-radius-md {
    border-radius: 0.5rem;
}

.border-radius-lg {
    border-radius: 1rem;
}

.flex-center {
    display: flex;
    justify-content: center;
    align-items: center;
}

.grid-2-col {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.grid-3-col {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

@media (max-width: 768px) {
    .grid-2-col, .grid-3-col {
        grid-template-columns: 1fr;
    }
}

.alert {
    padding: 1rem;
    margin-bottom: 1rem;
    border: 1px solid transparent;
    border-radius: 0.25rem;
}

.alert-success {
    color: #0f5132;
    background-color: #d1e7dd;
    border-color: #badbcc;
}

.alert-danger {
    color: #842029;
    background-color: #f8d7da;
    border-color: #f5c2c7;
}

.alert-info {
    color: #055160;
    background-color: #d0efff;
    border-color: #b6e2f6;
}

.card {
    background-color: #fff;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.card-header {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.75rem;
}

.card-body {
    padding-top: 0.75rem;
}

.form-group {
    margin-bottom: 1rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-color);
}

.form-control {
    display: block;
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    line-height: 1.5;
    color: #495057;
    background-color: #fff;
    background-clip: padding-box;
    border: 1px solid #ced4da;
    border-radius: 0.25rem;
    transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.form-control:focus {
    color: #495057;
    background-color: #fff;
    border-color: #80bdff;
    outline: 0;
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

textarea.form-control {
    min-height: 100px;
    resize: vertical;
}

select.form-control {
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23343a40' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M2 5l6 6 6-6'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 16px 12px;
    padding-right: 2.5rem;
}

.input-group {
    position: relative;
    display: flex;
    flex-wrap: wrap;
    align-items: stretch;
    width: 100%;
}

.input-group > .form-control {
    flex: 1 1 auto;
    width: 1%;
    margin-bottom: 0;
}

.input-group-prepend,
.input-group-append {
    display: flex;
}

.input-group-text {
    display: flex;
    align-items: center;
    padding: 0.75rem 1rem;
    margin-bottom: 0;
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.5;
    color: #495057;
    text-align: center;
    white-space: nowrap;
    background-color: #e9ecef;
    border: 1px solid #ced4da;
    border-radius: 0.25rem;
}

.input-group-prepend .input-group-text {
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
}

.input-group-append .input-group-text {
    border-top-left-radius: 0;
    border-bottom-left-radius: 0;
}

.input-group > .form-control:not(:last-child) {
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
}

.input-group > .form-control:not(:first-child) {
    border-top-left-radius: 0;
    border-bottom-left-radius: 0;
}

/* Table styles */
.table {
    width: 100%;
    margin-bottom: 1rem;
    color: #212529;
    border-collapse: collapse;
}

.table th,
.table td {
    padding: 0.75rem;
    vertical-align: top;
    border-top: 1px solid #dee2e6;
}

.table thead th {
    vertical-align: bottom;
    border-bottom: 2px solid #dee2e6;
}

.table tbody + tbody {
    border-top: 2px solid #dee2e6;
}

.table-striped tbody tr:nth-of-type(odd) {
    background-color: rgba(0, 0, 0, 0.05);
}

.table-bordered {
    border: 1px solid #dee2e6;
}

.table-bordered th,
.table-bordered td {
    border: 1px solid #dee2e6;
}

.table-hover tbody tr:hover {
    color: #212529;
    background-color: rgba(0, 0, 0, 0.075);
}

/* Pagination styles */
.pagination {
    display: flex;
    padding-left: 0;
    list-style: none;
    border-radius: 0.25rem;
}

.page-item:not(:first-child) .page-link {
    margin-left: -1px;
}

.page-item.active .page-link {
    z-index: 3;
    color: #fff;
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.page-link {
    position: relative;
    display: block;
    padding: 0.5rem 0.75rem;
    margin-left: -1px;
    line-height: 1.25;
    color: var(--primary-color);
    background-color: #fff;
    border: 1px solid #dee2e6;
}

.page-link:hover {
    z-index: 2;
    color: #0056b3;
    text-decoration: none;
    background-color: #e9ecef;
    border-color: #dee2e6;
}

.page-item:first-child .page-link {
    border-top-left-radius: 0.25rem;
    border-bottom-left-radius: 0.25rem;
}

.page-item:last-child .page-link {
    border-top-right-radius: 0.25rem;
    border-bottom-right-radius: 0.25rem;
}

/* Progress bar */
.progress {
    display: flex;
    height: 1rem;
    overflow: hidden;
    font-size: 0.75rem;
    background-color: #e9ecef;
    border-radius: 0.25rem;
    margin-bottom: 1rem;
}

.progress-bar {
    display: flex;
    flex-direction: column;
    justify-content: center;
    color: #fff;
    text-align: center;
    white-space: nowrap;
    background-color: var(--primary-color);
    transition: width 0.6s ease;
}

/* Badges */
.badge {
    display: inline-block;
    padding: 0.35em 0.65em;
    font-size: 0.75em;
    font-weight: 700;
    line-height: 1;
    color: #fff;
    text-align: center;
    white-space: nowrap;
    vertical-align: baseline;
    border-radius: 0.25rem;
}

.badge-primary { background-color: var(--primary-color); }
.badge-secondary { background-color: var(--secondary-color); }
.badge-success { background-color: var(--accent-color); }
.badge-danger { background-color: #dc3545; }
.badge-warning { background-color: #ffc107; color: #212529; }
.badge-info { background-color: #17a2b8; }
.badge-light { background-color: #f8f9fa; color: #212529; }
.badge-dark { background-color: #343a40; }

/* List group */
.list-group {
    display: flex;
    flex-direction: column;
    padding-left: 0;
    margin-bottom: 1rem;
    border-radius: 0.25rem;
}

.list-group-item {
    position: relative;
    display: block;
    padding: 0.75rem 1.25rem;
    background-color: #fff;
    border: 1px solid rgba(0, 0, 0, 0.125);
}

.list-group-item:first-child {
    border-top-left-radius: inherit;
    border-top-right-radius: inherit;
}

.list-group-item:last-child {
    border-bottom-right-radius: inherit;
    border-bottom-left-radius: inherit;
}

.list-group-item + .list-group-item {
    border-top-width: 0;
}

.list-group-item-action {
    width: 100%;
    color: #495057;
    text-align: inherit;
}

.list-group-item-action:hover,
.list-group-item-action:focus {
    z-index: 1;
    color: #495057;
    text-decoration: none;
    background-color: #f8f9fa;
}

/* Carousel styles (basic) */
.carousel {
    position: relative;
    margin-bottom: 2rem;
}

.carousel-inner {
    position: relative;
    width: 100%;
    overflow: hidden;
}

.carousel-item {
    display: none;
    position: relative;
    transition: transform 0.6s ease-in-out;
    backface-visibility: hidden;
    perspective: 1000px;
}

.carousel-item.active {
    display: block;
}

.carousel-item img {
    display: block;
    width: 100%;
    height: auto;
}

.carousel-control-prev,
.carousel-control-next {
    position: absolute;
    top: 0;
    bottom: 0;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 15%;
    color: #fff;
    text-align: center;
    opacity: 0.5;
    transition: opacity 0.15s ease;
}

.carousel-control-prev:hover,
.carousel-control-next:hover {
    color: #fff;
    text-decoration: none;
    outline: 0;
    opacity: 0.9;
}

.carousel-control-prev {
    left: 0;
}

.carousel-control-next {
    right: 0;
}

.carousel-control-prev-icon,
.carousel-control-next-icon {
    display: inline-block;
    width: 30px;
    height: 30px;
    background-repeat: no-repeat;
    background-position: 50%;
    background-size: 100% 100%;
}

.carousel-control-prev-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='%23fff' viewBox='0 0 8 8'%3e%3cpath d='M5.25 0l-4 4 4 4 1.5-1.5L4.25 4l2.5-2.5L5.25 0z'/%3e%3c/svg%3e");
}

.carousel-control-next-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='%23fff' viewBox='0 0 8 8'%3e%3cpath d='M2.75 0l-1.5 1.5L3.75 4l-2.5 2.5L2.75 8l4-4-4-4z'/%3e%3c/svg%3e");
}

.carousel-indicators {
    position: absolute;
    right: 0;
    bottom: 10px;
    left: 0;
    z-index: 15;
    display: flex;
    justify-content: center;
    padding-left: 0;
    margin-right: 15%;
    margin-left: 15%;
    list-style: none;
}

.carousel-indicators li {
    box-sizing: content-box;
    flex: 0 1 auto;
    width: 30px;
    height: 3px;
    margin-right: 3px;
    margin-left: 3px;
    text-indent: -999px;
    cursor: pointer;
    background-color: #fff;
    background-clip: padding-box;
    border-top: 10px solid transparent;
    border-bottom: 10px solid transparent;
    opacity: 0.5;
    transition: opacity 0.6s ease;
}

.carousel-indicators .active {
    opacity: 1;
}
/* 移动端内容区防溢出（系统追加，请勿删除） */
@media (max-width: 768px) {
  .page-content img {
    max-width: 100% !important;
    height: auto !important;
    display: block;
  }
  .page-content {
    overflow-x: hidden;
    max-width: 100%;
  }
  body {
    overflow-x: hidden;
  }
}