#iframeContainer {
    width: 1200px;
    margin: 0 auto;
    overflow-x: auto;
    direction: rtl;
    scrollbar-width: thin;
    padding: 0;
}
#iframeWrap {
    direction: ltr;
    display: inline-block;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body {
    font-family: "Microsoft YaHei", Arial, sans-serif;
    background-color: #f8f9fa;
    color: #333;
    line-height: 1.6;
}
a {
    text-decoration: none;
    color: #dc3545;
    transition: all 0.3s ease;
}
a:hover {
    color: #bb2d3b;
    text-decoration: underline;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}
.row {
    display: flex;
    flex-wrap: wrap;
    margin: 0 -15px;
}
.col-md-2, .col-md-3, .col-md-4, .col-md-6, .col-md-9, .col-md-12, .col-sm-6 {
    position: relative;
    padding: 0 15px;
}
.col-md-12 { width: 100%; }
.col-md-9  { width: 75%; }
.col-md-6  { width: 50%; }
.col-md-4  { width: 33.333%; }
.col-md-3  { width: 25%; }
.col-md-2  { width: 16.666%; }
.col-sm-6  { width: 50%; }

.d-flex { display: flex; }
.align-items-center { align-items: center; }
.text-center { text-align: center; }
.mb-3 { margin-bottom: 1rem; }
.bg-white { background: #fff; }
.bg-light { background: #f8f9fa; }
.h-100 { height: 100%; }

.form-control {
    display: block;
    width: 100%;
    padding: 0.375rem 0.75rem;
    font-size: 1rem;
    line-height: 1.5;
    color: #212529;
    background-color: #fff;
    border: 1px solid #ced4da;
    border-radius: 0.25rem;
}
.btn {
    display: inline-block;
    font-weight: 400;
    text-align: center;
    padding: 0.375rem 0.75rem;
    font-size: 1rem;
    border-radius: 0.25rem;
    cursor: pointer;
    border: none;
}
.btn-danger {
    color: #fff;
    background-color: #dc3545;
}
.btn-sm {
    padding: 0.25rem 0.5rem;
    font-size: 0.875rem;
}

.header-nav {
    background-color: #212529;
    padding: 15px 0;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 999;
}
.logo {
    font-size: 24px;
    font-weight: bold;
    color: #fff;
}
.logo span {
    color: #dc3545;
}
.nav-menu a {
    color: #fff;
    margin: 0 15px;
    font-size: 16px;
}
.nav-menu a:hover {
    color: #dc3545;
    text-decoration: none;
}

.search-section {
    background: linear-gradient(to right, #dc3545, #b02a37);
    padding: 50px 0;
    color: #fff;
    text-align: center;
}
.search-title {
    font-size: 32px;
    margin-bottom: 20px;
    font-weight: bold;
}
.search-desc {
    font-size: 18px;
    margin-bottom: 30px;
}
.search-box {
    max-width: 600px;
    margin: 0 auto;
}
.search-input {
    height: 50px;
    border-radius: 25px 0 0 25px;
    border: none;
    padding: 0 20px;
    font-size: 16px;
}
.search-btn {
    height: 50px;
    border-radius: 0 25px 25px 0;
    background-color: #212529;
    color: #fff;
    border: none;
    padding: 0 30px;
    font-size: 16px;
    cursor: pointer;
}
.search-btn:hover {
    background-color: #343a40;
}

.content-section {
    padding: 60px 0;
}
.section-title {
    font-size: 28px;
    font-weight: bold;
    margin-bottom: 30px;
    position: relative;
    padding-bottom: 15px;
}
.section-title::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 80px;
    height: 3px;
    background-color: #dc3545;
}
.card {
    border: none;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
    border-radius: 8px;
    transition: transform 0.3s ease;
    margin-bottom: 30px;
}
.card:hover {
    transform: translateY(-5px);
}
.card-body {
    padding: 1.5rem;
}
.card-title {
    font-size: 18px;
    font-weight: bold;
    color: #212529;
    margin-bottom: 0.8rem;
}
.card-text {
    color: #6c757d;
    margin-bottom: 1rem;
}

.category-item {
    text-align: center;
    padding: 20px;
}
.category-icon {
    font-size: 40px;
    color: #dc3545;
    margin-bottom: 15px;
}

.footer {
    background-color: #212529;
    color: #fff;
    padding: 40px 0 20px;
}
.footer-link a {
    color: #adb5bd;
    margin-right: 15px;
}
.footer-link a:hover {
    color: #dc3545;
    text-decoration: none;
}
.copyright {
    margin-top: 20px;
    color: #6c757d;
    font-size: 14px;
}

@media (max-width: 768px) {
    .nav-menu { margin-top: 20px; text-align: center; }
    .search-title { font-size: 24px; }
    .section-title { font-size: 24px; }
    .col-md-2,.col-md-3,.col-md-4,.col-md-6,.col-md-9 { width: 100%; }
}