/* Global Variables & Theme */
:root {
    --primary-color: #1E3A8A; /* Navy Blue */
    --primary-light: #3B82F6; /* Bright Blue */
    --primary-dark: #172554;
    --accent-color: #F59E0B; /* Warm Amber */
    --success-color: #10B981; /* Emerald Green */
    --danger-color: #EF4444; /* Rose Red */
    --text-color: #334155; /* Slate 700 */
    --text-light: #64748B; /* Slate 500 */
    --bg-color: #F8FAFC; /* Slate 50 */
    --card-bg: #FFFFFF;
    --border-color: #E2E8F0; /* Slate 200 */
    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
    --border-radius: 8px;
    --box-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.05), 0 2px 4px -2px rgb(0 0 0 / 0.05);
    --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Base Styles */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--primary-light);
    text-decoration: none;
    transition: var(--transition);
}

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

/* Header Styles */
.site-header {
    background-color: var(--card-bg);
    border-bottom: 1px stroke var(--border-color);
    box-shadow: 0 1px 3px 0 rgb(0 0 0 / 0.05);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo-area .logo-link {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--primary-color);
    font-weight: 700;
    font-size: 1.2rem;
}

.logo-icon {
    color: var(--primary-light);
}

.main-nav {
    display: flex;
    gap: 24px;
}

.nav-item {
    color: var(--text-color);
    font-weight: 500;
    padding: 6px 12px;
    border-radius: var(--border-radius);
}

.nav-item:hover, .nav-item.active {
    color: var(--primary-light);
    background-color: #EFF6FF;
}

/* Buttons */
.btn-primary-sm {
    background-color: var(--primary-light);
    color: white;
    padding: 8px 16px;
    border-radius: var(--border-radius);
    font-weight: 500;
    font-size: 0.9rem;
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

.btn-primary-sm:hover {
    background-color: var(--primary-color);
    color: white;
}

.btn-large {
    display: inline-block;
    padding: 12px 28px;
    font-size: 1.05rem;
    font-weight: 600;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
    border: none;
}

.btn-blue {
    background-color: var(--primary-light);
    color: white;
}

.btn-blue:hover {
    background-color: var(--primary-color);
    color: white;
}

.btn-green {
    background-color: var(--success-color);
    color: white;
}

.btn-green:hover {
    background-color: #059669;
    color: white;
}

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

.btn-white:hover {
    background-color: #F1F5F9;
    color: var(--primary-dark);
}

.btn-outline-white {
    background-color: transparent;
    color: white;
    border: 2px solid white;
}

.btn-outline-white:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.btn-block {
    display: block;
    width: 100%;
}

/* Hero Section */
.hero-search-section {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%);
    color: white;
    padding: 80px 20px;
    text-align: center;
}

.hero-container {
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 16px;
    letter-spacing: -0.025em;
}

.hero-subtitle {
    font-size: 1.1rem;
    color: #93C5FD;
    margin-bottom: 36px;
}

.search-box-wrapper {
    background-color: white;
    border-radius: var(--border-radius);
    padding: 6px;
    box-shadow: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
}

.search-form {
    display: flex;
    align-items: center;
}

.search-icon {
    color: var(--text-light);
    margin-left: 12px;
}

.search-input {
    flex-grow: 1;
    border: none;
    padding: 12px;
    font-size: 1rem;
    color: var(--text-color);
    outline: none;
}

.search-submit-btn {
    background-color: var(--primary-light);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: var(--border-radius);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.search-submit-btn:hover {
    background-color: var(--primary-color);
}

/* Home Layout Container */
.home-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px;
}

/* Section Header */
.section-header {
    margin-bottom: 32px;
}

.section-tag {
    display: inline-block;
    background-color: #EFF6FF;
    color: var(--primary-light);
    padding: 4px 10px;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.section-desc {
    color: var(--text-light);
    margin-top: 4px;
}

/* Hot Questions */
.hot-questions-section {
    margin-bottom: 60px;
}

.hot-questions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 20px;
}

.hot-q-card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 20px;
    display: flex;
    gap: 16px;
    box-shadow: var(--box-shadow);
}

.hot-q-card:hover {
    transform: translateY(-2px);
    border-color: var(--primary-light);
}

.hot-badge {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.85rem;
    flex-shrink: 0;
}

.bg-red { background-color: var(--danger-color); }
.bg-orange { background-color: var(--accent-color); }
.bg-blue { background-color: var(--primary-light); }
.bg-gray { background-color: var(--text-light); }

.hot-q-info h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 6px;
}

.hot-q-info p {
    font-size: 0.85rem;
    color: var(--text-light);
    line-height: 1.4;
}

/* Categories Section */
.categories-section {
    margin-bottom: 60px;
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 24px;
}

.cat-card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 24px;
    box-shadow: var(--box-shadow);
}

.cat-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.cat-icon-box {
    width: 44px;
    height: 44px;
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
}

.bg-light-blue { background-color: #EFF6FF; }
.bg-light-green { background-color: #ECFDF5; }
.bg-light-orange { background-color: #FFFBEB; }
.bg-light-purple { background-color: #F5F3FF; }
.bg-light-red { background-color: #FEF2F2; }
.bg-light-yellow { background-color: #FEFCE8; }

.text-blue { color: var(--primary-light); }
.text-green { color: var(--success-color); }
.text-orange { color: var(--accent-color); }
.text-purple { color: #8B5CF6; }
.text-red { color: var(--danger-color); }
.text-yellow { color: #CA8A04; }

.cat-card h3 {
    font-size: 1.2rem;
    color: var(--text-color);
    font-weight: 700;
}

.cat-intro {
    font-size: 0.9rem;
    color: var(--text-light);
    line-height: 1.5;
    margin-bottom: 16px;
    display: -webkit-box;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.cat-links {
    list-style: none;
    border-top: 1px solid var(--border-color);
    padding-top: 12px;
}

.cat-links li {
    margin-bottom: 8px;
}

.cat-links li a {
    font-size: 0.9rem;
    font-weight: 500;
}

/* Home Contact Section */
.home-contact-section {
    margin-bottom: 20px;
}

.contact-card-banner {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    border-radius: var(--border-radius);
    padding: 40px;
    color: white;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    box-shadow: var(--box-shadow);
}

.contact-banner-text {
    flex: 1;
}

.contact-banner-text h2 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.contact-banner-text p {
    color: #BFDBFE;
    margin-bottom: 24px;
    line-height: 1.6;
}

.contact-btn-group {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.contact-banner-image {
    width: 280px;
    flex-shrink: 0;
}

.contact-banner-image img {
    width: 100%;
    height: auto;
    border-radius: var(--border-radius);
    box-shadow: 0 10px 15px -3px rgb(0 0 0 / 0.3);
}

/* Main Layout (Sidebar + Content) */
.main-layout-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px;
    display: flex;
    gap: 30px;
}

/* Sidebar Navigation */
.sidebar-nav {
    width: 260px;
    flex-shrink: 0;
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 24px;
    height: fit-content;
    box-shadow: var(--box-shadow);
}

.sidebar-nav h3 {
    font-size: 1.1rem;
    color: var(--primary-color);
    font-weight: 700;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--border-color);
}

.sidebar-nav ul {
    list-style: none;
}

.sidebar-nav ul li {
    margin-bottom: 8px;
}

.sidebar-nav ul li a {
    display: block;
    padding: 8px 12px;
    border-radius: var(--border-radius);
    color: var(--text-color);
    font-weight: 500;
    font-size: 0.9rem;
}

.sidebar-nav ul li a:hover, .sidebar-nav ul li a.active {
    background-color: #EFF6FF;
    color: var(--primary-light);
}

/* Right Main Content Area */
.main-content-right {
    flex-grow: 1;
    min-width: 0;
}

/* Breadcrumb */
.breadcrumb {
    font-size: 0.85rem;
    color: var(--text-light);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.breadcrumb a {
    color: var(--text-light);
}

.breadcrumb a:hover {
    color: var(--primary-light);
}

.breadcrumb .separator {
    color: #CBD5E1;
}

.breadcrumb .current {
    color: var(--text-color);
    font-weight: 500;
}

/* Article Body */
.article-body {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 40px;
    box-shadow: var(--box-shadow);
}

.article-body h1 {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary-color);
    line-height: 1.3;
    margin-bottom: 16px;
}

.article-meta {
    display: flex;
    gap: 16px;
    font-size: 0.85rem;
    color: var(--text-light);
    margin-bottom: 24px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 16px;
}

.article-lead {
    font-size: 1.1rem;
    color: var(--text-color);
    line-height: 1.6;
    margin-bottom: 30px;
    font-weight: 500;
}

.article-body h2 {
    font-size: 1.4rem;
    color: var(--primary-color);
    font-weight: 700;
    margin-top: 36px;
    margin-bottom: 16px;
}

.article-body h3 {
    font-size: 1.15rem;
    color: var(--primary-dark);
    font-weight: 700;
    margin-top: 24px;
    margin-bottom: 12px;
}

.article-body p {
    margin-bottom: 16px;
    color: var(--text-color);
}

.article-body ul, .article-body ol {
    margin-bottom: 24px;
    padding-left: 20px;
}

.article-body li {
    margin-bottom: 10px;
    color: var(--text-color);
}

.article-body li strong {
    color: var(--primary-color);
}

.article-callout {
    border-left: 4px solid var(--primary-light);
    padding: 20px;
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
    margin: 30px 0;
}

.article-callout.bg-light-blue {
    background-color: #EFF6FF;
    border-left-color: var(--primary-light);
}

.article-callout.bg-light-green {
    background-color: #ECFDF5;
    border-left-color: var(--success-color);
}

.article-callout.bg-light-orange {
    background-color: #FFFBEB;
    border-left-color: var(--accent-color);
}

.article-callout h4 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--primary-dark);
}

.article-callout p {
    margin-bottom: 0;
    font-size: 0.95rem;
}

/* Interactive Feedback Box */
.feedback-interactive-box {
    border-top: 1px solid var(--border-color);
    padding-top: 30px;
    margin-top: 40px;
    text-align: center;
}

.feedback-interactive-box p {
    font-weight: 600;
    margin-bottom: 16px;
}

.feedback-btns {
    display: flex;
    justify-content: center;
    gap: 12px;
}

.btn-feedback-yes, .btn-feedback-no {
    padding: 8px 20px;
    border-radius: var(--border-radius);
    font-weight: 500;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
}

.btn-feedback-yes {
    background-color: #EFF6FF;
    color: var(--primary-light);
    border: 1px solid #BFDBFE;
}

.btn-feedback-yes:hover {
    background-color: var(--primary-light);
    color: white;
}

.btn-feedback-no {
    background-color: #F8FAFC;
    color: var(--text-light);
    border: 1px solid var(--border-color);
}

.btn-feedback-no:hover {
    background-color: #E2E8F0;
    color: var(--text-color);
}

.feedback-success-msg {
    color: var(--success-color);
    font-weight: 600;
    padding: 10px;
}

/* FAQ List Cards */
.faq-category-block {
    margin-bottom: 32px;
}

.faq-category-block h2 {
    font-size: 1.25rem;
    color: var(--text-color);
    font-weight: 700;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.dot-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--primary-light);
    display: inline-block;
}

.faq-item-link-card {
    background-color: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    margin-bottom: 16px;
}

.faq-item-link-card a {
    display: block;
    padding: 20px;
    color: inherit;
}

.faq-item-link-card h3 {
    font-size: 1.05rem;
    color: var(--text-color);
    font-weight: 600;
    margin-bottom: 6px;
    transition: var(--transition);
}

.faq-item-link-card p {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 12px;
    line-height: 1.5;
}

.faq-item-link-card .read-more {
    font-size: 0.85rem;
    color: var(--primary-light);
    font-weight: 600;
}

.faq-item-link-card:hover {
    border-color: var(--primary-light);
    background-color: white;
    box-shadow: var(--box-shadow);
}

.faq-item-link-card:hover h3 {
    color: var(--primary-light);
}

/* Fraud Case Box */
.fraud-case-box {
    background-color: #FFFDF5;
    border: 1px solid #FEF3C7;
    border-radius: var(--border-radius);
    padding: 24px;
    margin-bottom: 24px;
}

.fraud-case-box h3 {
    color: #B45309;
    margin-top: 0 !important;
}

.fraud-warning {
    background-color: #FEF2F2;
    border-left: 4px solid var(--danger-color);
    padding: 12px 16px;
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
    margin-top: 12px;
    font-size: 0.9rem;
    color: #991B1B;
}

.gold-rules-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin: 24px 0;
}

.rule-card {
    border-radius: var(--border-radius);
    padding: 24px;
}

.rule-do {
    background-color: #ECFDF5;
    border: 1px solid #A7F3D0;
}

.rule-do h4 {
    color: #065F46;
    margin-bottom: 12px;
}

.rule-dont {
    background-color: #FEF2F2;
    border: 1px solid #FCA5A5;
}

.rule-dont h4 {
    color: #991B1B;
    margin-bottom: 12px;
}

/* Form Styles */
.feedback-form-container {
    background-color: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 30px;
    margin: 30px 0;
}

.form-group {
    margin-bottom: 20px;
}

.form-row {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.form-row .form-group {
    flex: 1;
    min-width: 240px;
}

label {
    display: block;
    font-weight: 600;
    font-size: 0.95rem;
    margin-bottom: 8px;
    color: var(--text-color);
}

.required {
    color: var(--danger-color);
}

.form-control {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 0.95rem;
    outline: none;
    transition: var(--transition);
    background-color: white;
}

.form-control:focus {
    border-color: var(--primary-light);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

/* File Upload Design */
.file-upload-wrapper {
    position: relative;
    border: 2px dashed #CBD5E1;
    border-radius: var(--border-radius);
    padding: 30px;
    text-align: center;
    background-color: white;
    cursor: pointer;
    transition: var(--transition);
}

.file-upload-wrapper:hover {
    border-color: var(--primary-light);
}

.file-upload-input {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
}

.file-upload-design {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.file-upload-design p {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 4px;
}

.form-checkbox {
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.form-checkbox input[type="checkbox"] {
    margin-top: 4px;
}

.form-checkbox label {
    font-weight: 500;
    font-size: 0.85rem;
    color: var(--text-light);
    line-height: 1.4;
}

/* Contact Methods Grid */
.contact-methods-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin: 30px 0;
}

.contact-method-card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
}

.method-header {
    padding: 16px 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.method-header h3 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-top: 0 !important;
}

.method-body {
    padding: 20px;
}

.method-desc {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 16px;
    line-height: 1.5;
}

.method-detail {
    font-size: 0.9rem;
    margin-bottom: 10px;
}

.border-blue { border-color: var(--primary-light); }
.border-green { border-color: var(--success-color); }
.border-orange { border-color: var(--accent-color); }

/* Download Page Specific Styles */
.download-section-box {
    background-color: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 30px;
    margin: 30px 0;
}

.download-flex-container {
    display: flex;
    gap: 30px;
    flex-wrap: wrap;
}

.download-gateways {
    flex: 1;
    min-width: 300px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.gateway-card {
    background-color: white;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 20px;
    box-shadow: var(--box-shadow);
}

.gateway-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
}

.gateway-header h3 {
    font-size: 1.15rem;
    color: var(--text-color);
    font-weight: 700;
    margin-top: 0 !important;
}

.version-info {
    font-size: 0.8rem;
    color: var(--text-light);
}

.download-tip {
    font-size: 0.8rem;
    color: var(--text-light);
    margin-top: 8px;
    text-align: center;
}

.download-qrcode-area {
    width: 240px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.qrcode-card {
    background-color: white;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 24px;
    text-align: center;
    box-shadow: var(--box-shadow);
    width: 100%;
}

.qrcode-placeholder {
    margin: 0 auto 16px;
    width: 160px;
    height: 160px;
    color: var(--primary-dark);
}

.qrcode-label {
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--text-color);
    margin-bottom: 4px;
}

.qrcode-sublabel {
    font-size: 0.75rem;
    color: var(--text-light);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 20px;
    margin: 30px 0;
}

.feature-card-download {
    background-color: white;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 24px;
    box-shadow: var(--box-shadow);
}

.feature-card-download h4 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.feature-card-download p {
    font-size: 0.85rem;
    color: var(--text-light);
    line-height: 1.5;
}

.feature-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
}

.tutorial-steps {
    margin: 24px 0;
}

.t-step {
    display: flex;
    gap: 20px;
    margin-bottom: 16px;
}

.t-step-num {
    background-color: #EFF6FF;
    color: var(--primary-light);
    font-weight: 700;
    font-size: 0.85rem;
    padding: 4px 12px;
    border-radius: 50px;
    height: fit-content;
    flex-shrink: 0;
}

.t-step-content p {
    margin-bottom: 0;
}

/* Appeal Box */
.appeal-box {
    border: 2px solid var(--primary-light);
    border-radius: var(--border-radius);
    padding: 30px;
    margin: 30px 0;
    text-align: center;
}

.appeal-box h3 {
    color: var(--primary-color);
    margin-top: 0 !important;
    margin-bottom: 12px;
}

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

/* Steps Wrapper */
.steps-wrapper {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin: 24px 0;
}

.step-item {
    background-color: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 20px;
    display: flex;
    gap: 16px;
}

.step-num {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background-color: var(--primary-light);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.95rem;
    flex-shrink: 0;
}

.step-text strong {
    display: block;
    margin-bottom: 6px;
    color: var(--text-color);
}

.step-text {
    font-size: 0.85rem;
    color: var(--text-light);
    line-height: 1.5;
}

/* Footer Styles */
.site-footer {
    background-color: var(--primary-dark);
    color: #93C5FD;
    padding: 60px 20px 30px;
    border-top: 4px solid var(--primary-light);
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-col h4 {
    color: white;
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 16px;
}

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

.footer-col ul li {
    margin-bottom: 10px;
}

.footer-col ul li a {
    color: #93C5FD;
    font-size: 0.9rem;
}

.footer-col ul li a:hover {
    color: white;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
    text-align: center;
    font-size: 0.8rem;
    color: #60A5FA;
}

.icp-info {
    margin-top: 8px;
    color: #3B82F6;
}

/* Floating Kefu Ball */
.floating-kefu {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 999;
}

.kefu-ball {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: var(--primary-light);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 25px -3px rgb(59 130 246 / 0.5);
    cursor: pointer;
    transition: var(--transition);
    position: relative;
}

.kefu-ball:hover {
    transform: scale(1.08);
    background-color: var(--primary-color);
}

.kefu-pulse {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    border: 2px solid var(--primary-light);
    animation: kefu-pulse-animation 2s infinite;
    pointer-events: none;
}

@keyframes kefu-pulse-animation {
    0% {
        transform: scale(1);
        opacity: 1;
    }
    100% {
        transform: scale(1.4);
        opacity: 0;
    }
}

.kefu-tooltip {
    position: absolute;
    right: 75px;
    background-color: var(--primary-dark);
    color: white;
    padding: 6px 12px;
    border-radius: var(--border-radius);
    font-size: 0.8rem;
    font-weight: 600;
    white-space: nowrap;
    opacity: 0;
    transform: translateX(10px);
    transition: var(--transition);
    pointer-events: none;
    box-shadow: var(--box-shadow);
}

.kefu-tooltip::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 100%;
    transform: translateY(-50%);
    border-width: 5px;
    border-style: solid;
    border-color: transparent transparent transparent var(--primary-dark);
}

.kefu-ball:hover .kefu-tooltip {
    opacity: 1;
    transform: translateX(0);
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .header-container {
        flex-direction: column;
        height: auto;
        padding: 15px 20px;
        gap: 15px;
    }
    
    .main-nav {
        flex-wrap: wrap;
        justify-content: center;
        gap: 10px;
    }
    
    .main-layout-container {
        flex-direction: column;
    }
    
    .sidebar-nav {
        width: 100%;
    }
    
    .contact-card-banner {
        flex-direction: column;
        padding: 24px;
    }
    
    .contact-banner-image {
        width: 100%;
        max-width: 240px;
    }
    
    .hero-title {
        font-size: 1.8rem;
    }
    
    .article-body {
        padding: 24px;
    }
}