/* shared_styles.css - Global styles for enterprise website */

/* Basic Resets and Box Model */
html {
    box-sizing: border-box;
    font-size: 16px;
}

*,
*::before,
*::after {
    box-sizing: inherit;
}

body {
    margin: 0;
    padding: 0;
    font-family: 'Inter', 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif, 'Apple Color Emoji', 'Segoe UI Emoji', 'Segoe UI Symbol';
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', sans-serif;
    margin-top: 0;
    margin-bottom: 0.5em;
    font-weight: 600;
    line-height: 1.2;
    color: #212529;
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
}

h3 {
    font-size: 1.75rem;
}

h4 {
    font-size: 1.5rem;
}

p {
    margin-top: 0;
    margin-bottom: 1rem;
}

a {
    color: #007bff;
    text-decoration: none;
    transition: color 0.3s ease-in-out;
}

a:hover {
    color: #0056b3;
    text-decoration: underline;
}

/* Buttons */
.btn {
    display: inline-block;
    font-weight: 400;
    color: #fff;
    text-align: center;
    vertical-align: middle;
    user-select: none;
    background-color: #007bff;
    border: 1px solid #007bff;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    line-height: 1.5;
    border-radius: 0.25rem;
    transition: color 0.15s ease-in-out, background-color 0.15s ease-in-out, border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
    cursor: pointer;
}

.btn:hover {
    color: #fff;
    background-color: #0056b3;
    border-color: #004085;
    text-decoration: none;
}

.btn-secondary {
    color: #fff;
    background-color: #6c757d;
    border-color: #6c757d;
}

.btn-secondary:hover {
    color: #fff;
    background-color: #5a6268;
    border-color: #545b62;
}

/* Layout and Containers */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

.section-padding {
    padding: 60px 0;
}

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

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

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

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

.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;
}

/* Utility Classes */
.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 1.5rem; }
.mb-5 { margin-bottom: 3rem; }

.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 1rem; }
.mt-4 { margin-top: 1.5rem; }
.mt-5 { margin-top: 3rem; }

.py-1 { padding-top: 0.25rem; padding-bottom: 0.25rem; }
.py-2 { padding-top: 0.5rem; padding-bottom: 0.5rem; }
.py-3 { padding-top: 1rem; padding-bottom: 1rem; }
.py-4 { padding-top: 1.5rem; padding-bottom: 1.5rem; }
.py-5 { padding-top: 3rem; padding-bottom: 3rem; }

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

/* Responsive Design - Basic breakpoints */
@media (max-width: 992px) {
    h1 {
        font-size: 2rem;
    }
    h2 {
        font-size: 1.75rem;
    }
}

@media (max-width: 768px) {
    h1 {
        font-size: 1.75rem;
    }
    h2 {
        font-size: 1.5rem;
    }
    .section-padding {
        padding: 40px 0;
    }
}

@media (max-width: 576px) {
    h1 {
        font-size: 1.5rem;
    }
    h2 {
        font-size: 1.25rem;
    }
    .btn {
        padding: 0.6rem 1.2rem;
        font-size: 0.9rem;
    }
}

/* Accessibility Enhancements */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Add more specific styles for components like cards, hero sections, etc. */
.card {
    background-color: #fff;
    border: 1px solid #e0e0e0;
    border-radius: 0.5rem;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.card-title {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    color: #007bff;
}

.hero-section {
    background: linear-gradient(to right, #007bff, #0056b3);
    color: #fff;
    padding: 80px 0;
    text-align: center;
}

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

.hero-section p {
    font-size: 1.25rem;
    max-width: 800px;
    margin: 0 auto 2rem auto;
}

/* Icons (assuming Font Awesome or similar is loaded) */
.icon-large {
    font-size: 2rem;
    color: #007bff;
    margin-bottom: 1rem;
}

/* Table styles */
table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 1rem;
    background-color: #fff;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

table th,
table td {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 1px solid #dee2e6;
}

table th {
    background-color: #e9ecef;
    font-weight: 600;
    color: #495057;
}

table tbody tr:hover {
    background-color: #f2f2f2;
}

/* Image styling */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* List styling */
ul,
ol {
    padding-left: 20px;
    margin-bottom: 1rem;
}

ul li,
ol li {
    margin-bottom: 0.5rem;
}

/* Code blocks */
pre {
    background-color: #f4f4f4;
    border: 1px solid #ddd;
    border-left: 3px solid #f36d33;
    color: #666;
    page-break-inside: avoid;
    font-family: monospace;
    font-size: 15px;
    line-height: 1.6;
    margin-bottom: 1.6em;
    max-width: 100%;
    overflow: auto;
    padding: 1em 1.5em;
    display: block;
    word-wrap: break-word;
}

code {
    font-family: monospace;
    background-color: #eee;
    padding: 2px 4px;
    border-radius: 3px;
}

/* Alerts and Messages */
.alert {
    padding: 1rem;
    margin-bottom: 1rem;
    border: 1px solid transparent;
    border-radius: 0.25rem;
}

.alert-success {
    color: #155724;
    background-color: #d4edda;
    border-color: #c3e6cb;
}

.alert-info {
    color: #0c5460;
    background-color: #d1ecf1;
    border-color: #bee5eb;
}

.alert-warning {
    color: #856404;
    background-color: #fff3cd;
    border-color: #ffeeba;
}

.alert-danger {
    color: #721c24;
    background-color: #f8d7da;
    border-color: #f5c6cb;
}

/* Scroll to top button */
#scrollToTop {
    display: none; /* Hidden by default */
    position: fixed; /* Fixed position */
    bottom: 20px; /* Place the button at the bottom of the page */
    right: 30px; /* Place the button at the right */
    z-index: 99; /* Make sure it does not overlap */
    border: none; /* Remove borders */
    outline: none; /* Remove outline */
    background-color: #007bff; /* Set a background color */
    color: white; /* Text color */
    cursor: pointer; /* Add a mouse pointer on hover */
    padding: 15px; /* Some padding */
    border-radius: 10px; /* Rounded corners */
    font-size: 18px; /* Increase font size */
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
    transition: background-color 0.3s, opacity 0.3s;
}

#scrollToTop:hover {
    background-color: #0056b3; /* Add a darker background on hover */
}

/* Media queries for larger screens to adjust content width */
@media (min-width: 1400px) {
    .container {
        max-width: 1320px;
    }
}
/* 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;
  }
}