:root {
    /* Multicolor Scheme - Enhanced Contrast */
    --royal-primary-blue: #1f50c1;
    --royal-blue-600: #1d4ed8;
    --royal-blue-500: #3b82f6;
    --royal-blue-400: #60a5fa;
    --royal-blue-300: #93c5fd;
    --royal-blue-200: #bfdbfe;
    --royal-blue-100: #dbeafe;
    --royal-blue-50: #eff6ff;

    /* Green Accent Colors */
    --royal-accent-green: #059669;
    --royal-green-500: #10b981;
    --royal-green-400: #34d399;
    --royal-green-300: #6ee7b7;
    --royal-green-200: #a7f3d0;
    --royal-green-100: #d1fae5;

    /* Purple Colors */
    --royal-purple-500: #7c3aed;
    --royal-purple-400: #a78bfa;
    --royal-purple-300: #c4b5fd;

    /* Orange Colors */
    --royal-orange-500: #d97706;
    --royal-orange-400: #fbbf24;
    --royal-orange-300: #fcd34d;

    /* Red Colors */
    --royal-red-500: #dc2626;
    --royal-red-400: #f87171;
    --royal-red-300: #fca5a5;

    /* Cyan Colors */
    --royal-cyan-500: #0891b2;
    --royal-cyan-400: #22d3ee;
    --royal-cyan-300: #67e8f9;

    /* Neutral Colors */
    --royal-text-dark: #111827;
    --royal-text-light: #6b7280;
    --royal-text-lighter: #9ca3af;
    --royal-bg-white: #ffffff;
    --royal-bg-light: #f8fafc;
    --royal-border-light: #e9ebef;
    --royal-border-medium: #d1d5db;

    /* Enhanced Gradient Definitions */
    --royal-gradient-primary: linear-gradient(135deg, var(--royal-primary-blue) 0%, var(--royal-blue-500) 100%);
    --royal-gradient-green: linear-gradient(135deg, var(--royal-accent-green) 0%, var(--royal-green-400) 100%);
    --royal-gradient-purple: linear-gradient(135deg, var(--royal-purple-500) 0%, var(--royal-purple-400) 100%);
    --royal-gradient-orange: linear-gradient(135deg, var(--royal-orange-500) 0%, var(--royal-orange-400) 100%);
    --royal-gradient-red: linear-gradient(135deg, var(--royal-red-500) 0%, var(--royal-red-400) 100%);
    --royal-gradient-cyan: linear-gradient(135deg, var(--royal-cyan-500) 0%, var(--royal-cyan-400) 100%);
    --royal-gradient-bg: linear-gradient(135deg, var(--royal-blue-50) 0%, #f8fafc 100%);
    --royal-gradient-section: linear-gradient(135deg, rgba(194, 207, 225, 0.3) 0%, rgba(248, 250, 252, 0.3) 100%);
    --royal-gradient-hero: linear-gradient(135deg, rgba(30, 64, 175, 0.9) 0%, rgba(29, 78, 216, 0.8) 100%);

    /* Enhanced Shadow Effects */
    --royal-shadow-sm: 0 0.0625rem 0.1875rem rgba(0, 0, 0, 0.05);
    --royal-shadow: 0 0.25rem 0.375rem rgba(0, 0, 0, 0.04);
    --royal-shadow-md: 0 0.625rem 0.9375rem rgba(0, 0, 0, 0.08);
    --royal-shadow-lg: 0 1.25rem 1.5625rem rgba(0, 0, 0, 0.12);
    --royal-shadow-xl: 0 1.5625rem 3.125rem rgba(0, 0, 0, 0.2);

    /* Unified Spacing - Based on rem */
    --royal-space-xs: 0.5rem;
    --royal-space-sm: 1rem;
    --royal-space-default: 1.125rem;
    --royal-space-md: 1.5rem;
    --royal-space-lg: 2rem;
    --royal-space-xl: 3rem;
    --royal-space-xxl: 5rem;

    /* Transition Effects */
    --royal-transition: all 0.3s ease;
    --royal-transition-slow: all 0.5s ease;
    --royal-transition-fast: all 0.15s ease;

    /* Border Radius */
    --royal-radius-sm: 0.375rem;
    --royal-radius: 0.5rem;
    --royal-radius-md: 0.75rem;
    --royal-radius-lg: 1rem;
    --royal-radius-xl: 1.5rem;

    /* Font Sizes - Based on rem */
    --royal-font-xs: 0.75rem;
    --royal-font-sm: 0.875rem;
    --royal-font-default: 1rem;
    --royal-font-md: 1.125rem;
    --royal-font-lg: 1.5rem;
    --royal-font-xl: 2rem;
    --royal-font-xxl: 2.5rem;
    --royal-font-xxxl: 3.5rem;
}

/* ===== RESET & BASE STYLES ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    /* 基准字号 */
}

body {
    font-family: 'Inter', 'SF Pro Display', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;

    color: var(--royal-text-dark);
    overflow-x: hidden;
    font-size: var(--royal-font-sm);
    background: var(--royal-bg-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Links */
a {
    color: inherit;
    text-decoration: none;
    transition: var(--royal-transition);
    font-size: var(--royal-font-sm);
}

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

/* Lists */
ul,
ol {
    list-style: none;
}

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

/* Tables */
table {
    border-collapse: collapse;
    width: 100%;
}

th,
td {
    padding: var(--royal-space-xs) var(--royal-space-sm);
    text-align: left;
    border-bottom: 1px solid var(--royal-border-light);
}

/* Form Elements */
button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    outline: none;
    transition: var(--royal-transition);
}

input,
textarea,
select {
    font-family: inherit;
    outline: none;
    transition: var(--royal-transition);
}

/* ===== LAYOUT & CONTAINER ===== */
.royal-container {
    max-width: 80rem;
    /* 1280px */
    margin: 0 auto;
    padding: 0 var(--royal-space-md);
}

/* ===== HEADER & NAVIGATION ===== */
.royal-header {
    background: rgba(255, 255, 255);
    backdrop-filter: blur(1.25rem);
    box-shadow: var(--royal-shadow-sm);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    transition: var(--royal-transition);
    border-bottom: 1px solid var(--royal-border-light);
}

.royal-navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.royal-logo {
    display: flex;
    align-items: center;
    gap: 0.625rem;
}

.royal-logo-icon {
    width: 2.25rem;
    height: 2.25rem;
    background: var(--royal-primary-blue);
    border-radius: var(--royal-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: var(--royal-font-md);
}

.royal-logo-text {
    font-size: var(--royal-font-md);
    font-weight: 700;
    color: var(--royal-primary-blue);
}

.royal-framework-tag {
    background: var(--royal-gradient-primary);
    color: white;
    padding: 0.125rem 0.5rem;
    border-radius: 0.25rem;
    font-size: var(--royal-font-xs);
    font-weight: 600;
    margin-left: 0.3125rem;
}

.royal-demo-tag {
    background: var(--royal-accent-green);
    color: white;
    padding: 0.25rem 0.625rem;
    border-radius: 0.75rem;
    font-size: var(--royal-font-xs);
    font-weight: 600;
}

.royal-nav-menu {
    display: flex;
    list-style: none;
    gap: var(--royal-space-lg);
    align-items: center;
}

.royal-nav-menu>li {
    position: relative;
    padding: 0.6rem 0;
}

.royal-nav-menu a {
    text-decoration: none;
    color: var(--royal-text-dark);
    font-weight: 500;
    border-radius: var(--royal-radius);
    transition: var(--royal-transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.royal-nav-menu a.royal-active {
    color: var(--royal-primary-blue);
    font-weight: 600;
}

/* Dropdown Menu */
.royal-dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(1.25rem);
    border-radius: var(--royal-radius-md);
    box-shadow: var(--royal-shadow-md);
    min-width: 12.5rem;
    padding: 0.5rem 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(0.625rem);
    transition: var(--royal-transition);
    border: 1px solid rgba(255, 255, 255, 0.2);
    z-index: 1001;
    list-style: none;
}

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

.royal-dropdown-menu li {
    margin: 0;
}

.royal-dropdown-menu a {
    padding: 0.75rem 1.5rem;
    border-radius: 0;
    border: none;
    background: transparent;
    color: var(--royal-text-light);
    transition: var(--royal-transition);
}

.royal-dropdown-menu a:hover {
    color: var(--royal-primary-blue);
    background: rgba(59, 130, 246, 0.05);
    transform: translateX(0.3125rem);
}

/* Dropdown Arrow Animation */
.royal-has-dropdown>a .fa-chevron-down {
    transition: transform 0.3s ease;
    font-size: var(--royal-font-xs);
}

.royal-has-dropdown:hover>a .fa-chevron-down {
    transform: rotate(180deg);
}

.royal-header-actions {
    display: flex;
    gap: var(--royal-space-sm);
    align-items: center;
}

.royal-has-dropdown .royal-dropdown-menu {
    min-width: 120px;
}

.lang-btn {
    display: block;
    padding: 0.5rem 1rem;
    transition: all 0.3s ease;
    text-align: center;
}

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

.royal-loading {
    pointer-events: none;
    opacity: 0.7;
}


/* language css */
.royal-language-current {
    color: var(--royal-blue-500) !important;
}


/* Mobile Menu Button */
.royal-mobile-menu-btn {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 1.875rem;
    height: 1.3125rem;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
}

.royal-mobile-menu-btn span {
    display: block;
    height: 0.1875rem;
    width: 100%;
    background-color: var(--royal-text-dark);
    border-radius: 0.1875rem;
    transition: var(--royal-transition);
}

/* ===== BUTTONS ===== */
.royal-btn {
    padding: 0.6rem 1.5rem;
    border: none;
    border-radius: var(--royal-radius-xl);
    cursor: pointer;
    font-weight: 600;
    transition: var(--royal-transition);
    position: relative;
    overflow: hidden;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-size: var(--royal-font-sm);
}

.royal-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: var(--royal-transition-slow);
}

.royal-btn:hover::before {
    left: 100%;
}

.royal-btn-primary {
    background: var(--royal-gradient-primary);
    color: white;
    box-shadow: var(--royal-shadow), 0 0.25rem 0.875rem rgba(30, 64, 175, 0.2);
}

.royal-btn-primary:hover {
    transform: translateY(-0.125rem);
    box-shadow: var(--royal-shadow-md), 0 0.5rem 1.5625rem rgba(30, 64, 175, 0.5);
    color: white;
}

.royal-btn-free {
    background: var(--royal-gradient-green);
    color: white;
    box-shadow: var(--royal-shadow), 0 0.25rem 0.875rem rgba(5, 150, 105, 0.2);
    border-radius: var(--royal-radius-xl);
}

.royal-btn-free:hover {
    transform: translateY(-0.125rem);
    box-shadow: var(--royal-shadow-md), 0 0.5rem 1.5625rem rgba(5, 150, 105, 0.5);
    color: white;
}

.royal-btn-outline {
    background: transparent;
    border: 1.5px solid var(--royal-primary-blue);
    color: var(--royal-primary-blue);
}

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

.royal-btn-sm {
    padding: 0.4rem 1.2rem;
    border: none;
    border-radius: var(--royal-radius-sm);
    cursor: pointer;
    transition: var(--royal-transition);
    font-size: var(--royal-font-sm);
    position: relative;
    overflow: hidden;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

/* ===== CARDS & COMPONENTS ===== */
.royal-card {
    background: var(--royal-bg-white);
    border-radius: var(--royal-radius-md);
    padding: var(--royal-space-lg);
    box-shadow: var(--royal-shadow);
    transition: var(--royal-transition);
    border: 1px solid var(--royal-border-light);
    position: relative;
    overflow: hidden;
}

.royal-card:hover {
    transform: translateY(-0.3125rem);
    box-shadow: var(--royal-shadow-md);
}

.royal-tag {
    position: absolute;
    top: 0.9375rem;
    right: 0.9375rem;
    padding: 0.4rem 0.8rem;
    border-radius: 0.9375rem;
    color: white;
    font-weight: 600;
    font-size: var(--royal-font-xs);
    text-transform: uppercase;
    z-index: 2;
}

.royal-tag-type1 {
    background: linear-gradient(135deg, #ff6b6b, #ee5a52);
}

.royal-tag-type2 {
    background: linear-gradient(135deg, #4ecdc4, #44a08d);
}

.royal-tag-type3 {
    background: linear-gradient(135deg, #ffd93d, #ff9a3d);
}

/* Section Titles */
.royal-section-title {
    text-align: center;
    margin-bottom: var(--royal-space-xl);
}

.royal-section-title h2 {
    font-size: var(--royal-font-xl);
    color: var(--royal-text-dark);
    margin-bottom: var(--royal-space-sm);
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--royal-space-sm);
}

.royal-section-title h2:before,
.royal-section-title h2:after {
    content: '◆';
    color: var(--royal-primary-blue);
    font-size: var(--royal-font-sm);
    animation: royal-diamond-bounce 2s ease-in-out infinite;
}

.royal-section-title h2:before {
    animation-delay: 0s;
}

.royal-section-title h2:after {
    animation-delay: 0.5s;
}

@keyframes royal-diamond-bounce {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-0.1875rem);
    }
}

.royal-section-title p {
    color: var(--royal-text-light);
    max-width: 37.5rem;
    margin: 0 auto;
    font-size: var(--royal-font-md);
    line-height: 1.6;
    position: relative;
}

/* ===== FOOTER ===== */
.royal-footer {
    background: var(--royal-text-dark);
    color: white;
    padding: var(--royal-space-xl) 0 var(--royal-space-md);
    position: relative;
}

.royal-footer:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 0.1875rem;
    background: var(--royal-primary-blue);
}

.royal-footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(12.5rem, 1fr));
    gap: var(--royal-space-xl);
    margin-bottom: var(--royal-space-xl);
}

.royal-footer-about .royal-footer-logo {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    margin-bottom: var(--royal-space-sm);
}

.royal-footer-about .royal-logo-icon {
    width: 2.25rem;
    height: 2.25rem;
    background: var(--royal-primary-blue);
    border-radius: var(--royal-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: var(--royal-font-md);
}

.royal-footer-about .royal-logo-text {
    font-size: var(--royal-font-md);
    font-weight: 700;
    color: white;
}

.royal-footer-about p {
    color: #d1d5db;
    line-height: 1.6;
    margin-bottom: var(--royal-space-md);
    font-size: var(--royal-font-sm);
}

.royal-powered-by {
    color: #9ca3af;
    font-size: var(--royal-font-sm);
    margin-top: var(--royal-space-sm);
}

.royal-powered-by strong {
    color: var(--royal-blue-300);
}

.royal-footer-links h3 {
    margin-bottom: var(--royal-space-sm);
    color: white;
    font-weight: 600;
    font-size: var(--royal-font-default);
}

.royal-footer-links ul {
    list-style: none;
}

.royal-footer-links li {
    margin-bottom: 0.6rem;
}

.royal-footer-links a {
    color: #d1d5db;
    text-decoration: none;
    transition: var(--royal-transition);
    font-size: var(--royal-font-sm);
}

.royal-footer-links a:hover {
    color: white;
}

.royal-footer-bottom {
    text-align: center;
    padding-top: var(--royal-space-md);
    border-top: 1px solid #374151;
    color: #9ca3af;
    font-size: var(--royal-font-sm);
}

.royal-footer-bottom a {
    color: #d1d5db;
}

.royal-footer-bottom a:hover {
    color: white;
}

/* ===== FIXED SIDEBAR ===== */
.royal-fixed-sidebar {
    position: fixed;
    right: 1.25rem;
    bottom: 5%;
    transform: translateY(-50%);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 0.9375rem;
}

.royal-fixed-btn {
    width: 3rem;
    height: 3rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: var(--royal-font-md);
    box-shadow: var(--royal-shadow);
    cursor: pointer;
    transition: var(--royal-transition);
    position: relative;
}

.royal-fixed-btn:hover {
    transform: translateY(-0.3125rem);
    box-shadow: var(--royal-shadow-md);
}

.royal-fixed-btn.royal-search {
    background: linear-gradient(135deg, #059669 0%, #166547 100%);
}

.royal-fixed-btn.royal-search a {
    display: block;
}

.royal-fixed-btn.royal-search a:hover {
    color: #fff;
}

.royal-fixed-btn.royal-consult {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.royal-fixed-btn.royal-download {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

.royal-fixed-btn.royal-top {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

.royal-fixed-btn .royal-tooltip {
    position: absolute;
    right: 4.375rem;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 0.3125rem 0.625rem;
    border-radius: 0.25rem;
    font-size: var(--royal-font-sm);
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
}

.royal-fixed-btn:hover .royal-tooltip {
    opacity: 1;
}

/* ===== MODALS ===== */
.royal-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(0.5rem);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    padding: 1.25rem;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.royal-modal.show {
    display: flex;
    opacity: 1;
}

.royal-modal-content {
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    border-radius: var(--royal-radius-xl);
    padding: var(--royal-space-xl);
    max-width: 30rem;
    width: 100%;
    box-shadow:
        0 1.25rem 3.75rem rgba(0, 0, 0, 0.2),
        0 0 0 1px rgba(255, 255, 255, 0.1);
    position: relative;
    animation: royal-modalSlideIn 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 1px solid rgba(255, 255, 255, 0.2);
    overflow: hidden;
}


@keyframes royal-modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(3.125rem) scale(0.9);
    }

    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.royal-close-modal {
    position: absolute;
    top: 1.25rem;
    right: 1.25rem;
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 50%;
    background: var(--royal-gradient-red);
    border: none;

    font-size: var(--royal-font-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    transition: var(--royal-transition);
    z-index: 10;
}

.royal-close-modal:hover {
    background: var(--royal-red-500);
    color: white;
    transform: rotate(90deg);
}

.royal-modal-header {
    text-align: center;
    margin-bottom: var(--royal-space-lg);
    padding-right: 2.5rem;
}

.royal-modal-title {
    font-size: var(--royal-font-lg);
    font-weight: 700;
    color: var(--royal-text-dark);
    margin-bottom: var(--royal-space-sm);
    background: linear-gradient(135deg, var(--royal-text-dark) 0%, var(--royal-primary-blue) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.royal-modal-subtitle {
    color: var(--royal-text-light);
    font-size: var(--royal-font-md);
    line-height: 1.6;
}

.royal-modal-body {
    margin-bottom: var(--royal-space-xl);
}

.royal-download-actions {
    display: flex;
    justify-content: center;
    margin-top: 1rem;
}

/* Contact Methods */
.royal-contact-methods {
    display: flex;
    flex-direction: column;
    gap: var(--royal-space-md);
    margin-bottom: var(--royal-space-lg);
}

.royal-contact-method {
    display: flex;
    align-items: center;
    gap: var(--royal-space-md);
    padding: var(--royal-space-md);
    background: var(--royal-bg-white);
    border-radius: var(--royal-radius-lg);
    border: 1px solid var(--royal-border-light);
    transition: var(--royal-transition);
    text-decoration: none;
    color: inherit;
}

.royal-contact-method:hover {
    transform: translateY(-0.125rem);
    box-shadow: var(--royal-shadow);
    border-color: var(--royal-primary-blue);
}

.royal-contact-icon {
    width: 3.125rem;
    height: 3.125rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: var(--royal-font-md);
    flex-shrink: 0;
}

.royal-contact-wechat .royal-contact-icon {
    background: linear-gradient(135deg, #07c160 0%, #05a050 100%);
}

.royal-contact-phone .royal-contact-icon {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.royal-contact-info {
    flex: 1;
}

.royal-contact-name {
    font-weight: 600;
    color: var(--royal-text-dark);
    margin-bottom: 0.25rem;
    font-size: var(--royal-font-default);
}

.royal-contact-detail {
    color: var(--royal-text-light);
    font-size: var(--royal-font-sm);
}

.royal-contact-tip {
    font-size: var(--royal-font-xs);
    color: var(--royal-accent-green);
    font-weight: 500;
}

/* QR Code Styles */
.royal-qrcode-section {
    text-align: center;
    background: var(--royal-bg-light);
    border-radius: var(--royal-radius-lg);
    padding: var(--royal-space-lg);
    margin: var(--royal-space-lg) 0;
    border: 1px solid var(--royal-border-light);
}

.royal-qrcode-title {
    font-weight: 600;
    color: var(--royal-text-dark);
    margin-bottom: var(--royal-space-sm);
    font-size: var(--royal-font-default);
}

.royal-qrcode-container {
    position: relative;
    display: inline-block;
    margin: var(--royal-space-sm) 0;
}

.royal-qrcode {
    background: white;
    border-radius: var(--royal-radius);
    padding: 0.75rem;
    box-shadow: var(--royal-shadow);
    border: 1px solid var(--royal-border-light);
    display: flex;
    align-items: center;
    justify-content: center;
}

.royal-qrcode img {
    width: 100%;
    height: 100%;
    border-radius: calc(var(--royal-radius) - 0.25rem);
    object-fit: cover;
}

.royal-qrcode-tip {
    font-size: var(--royal-font-xs);
    color: var(--royal-text-light);
    margin-top: var(--royal-space-sm);
}

/* Permission & Restriction Sections */
.royal-permission-section {
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    border-radius: var(--royal-radius-md);
    padding: var(--royal-space-md);
    margin: var(--royal-space-md) 0;
    border-left: 0.25rem solid var(--royal-primary-blue);
    position: relative;
}

.royal-permission-section::before {
    content: '💡';
    position: absolute;
    top: -0.75rem;
    left: -0.75rem;
    background: var(--royal-primary-blue);
    width: 1.5rem;
    height: 1.5rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--royal-font-xs);
    color: white;
}

.royal-permission-title {
    font-weight: 700;
    color: var(--royal-primary-blue);
    margin-bottom: var(--royal-space-sm);
    display: flex;
    align-items: center;
    gap: var(--royal-space-sm);
    font-size: var(--royal-font-default);
}

.royal-permission-list {
    list-style: none;
    margin: var(--royal-space-sm) 0;
}

.royal-permission-list li {
    padding: var(--royal-space-xs) 0;
    color: var(--royal-text-dark);
    display: flex;
    align-items: flex-start;
    gap: var(--royal-space-sm);
    font-size: var(--royal-font-sm);
}

.royal-permission-list li::before {
    content: '✓';
    color: var(--royal-accent-green);
    font-weight: bold;
    flex-shrink: 0;
    margin-top: 0.125rem;
}

.royal-restriction-section {
    background: linear-gradient(135deg, #fef2f2 0%, #fee2e2 100%);
    border-radius: var(--royal-radius-lg);
    padding: var(--royal-space-md);
    margin: var(--royal-space-md) 0;
    border-left: 0.25rem solid var(--royal-red-500);
    position: relative;
}

.royal-restriction-section::before {
    content: '⚠️';
    position: absolute;
    top: -0.75rem;
    left: -0.75rem;
    background: var(--royal-red-500);
    width: 1.5rem;
    height: 1.5rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--royal-font-xs);
    color: white;
}

.royal-restriction-title {
    font-weight: 700;
    color: var(--royal-red-600);
    margin-bottom: var(--royal-space-sm);
    display: flex;
    align-items: center;
    gap: var(--royal-space-sm);
    font-size: var(--royal-font-default);
}

.royal-restriction-list {
    list-style: none;
    margin: var(--royal-space-sm) 0;
}

.royal-restriction-list li {
    padding: var(--royal-space-xs) 0;
    color: var(--royal-text-dark);
    display: flex;
    align-items: flex-start;
    gap: var(--royal-space-sm);
    font-size: var(--royal-font-sm);
}

.royal-restriction-list li::before {
    content: '✗';
    color: var(--royal-red-500);
    font-weight: bold;
    flex-shrink: 0;
    margin-top: 0.125rem;
}

/* Warning Sections */
.royal-warning-section {
    background: linear-gradient(135deg, #fffbeb 0%, #fef3c7 100%);
    border-radius: var(--royal-radius-lg);
    padding: var(--royal-space-lg);
    margin: var(--royal-space-lg) 0;
    border: 0.125rem solid var(--royal-orange-300);
    text-align: center;
    position: relative;
}

.royal-warning-section::before {
    content: '🚨';
    position: absolute;
    top: -1rem;
    left: 50%;
    transform: translateX(-50%);
    background: var(--royal-orange-500);
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--royal-font-md);
    color: white;
}

.royal-warning-title {
    font-weight: 700;
    color: var(--royal-orange-700);
    margin-bottom: var(--royal-space-sm);
    font-size: var(--royal-font-default);
}

.royal-warning-text {
    color: var(--royal-orange-700);
    line-height: 1.5;
    font-size: var(--royal-font-sm);
}

/* Modal Actions */
.royal-modal-actions {
    display: flex;
    gap: var(--royal-space-md);
    margin-top: var(--royal-space-xl);
}

.royal-modal-btn {
    flex: 1;
    padding: var(--royal-space-md) var(--royal-space-lg);
    border: none;
    border-radius: var(--royal-radius-lg);
    font-weight: 600;
    cursor: pointer;
    transition: var(--royal-transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--royal-space-sm);
    position: relative;
    overflow: hidden;
    font-size: var(--royal-font-default);
}

.royal-modal-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transition: var(--royal-transition-slow);
}

.royal-modal-btn:hover::before {
    left: 100%;
}

.royal-modal-btn-primary {
    background: var(--royal-gradient-primary);
    color: white;
    box-shadow: var(--royal-shadow), 0 0.25rem 0.875rem rgba(30, 64, 175, 0.3);
}

.royal-modal-btn-primary:hover {
    transform: translateY(-0.125rem);
    box-shadow: var(--royal-shadow-md), 0 0.375rem 1.25rem rgba(30, 64, 175, 0.4);
}

.royal-modal-btn-secondary {
    background: var(--royal-bg-white);
    color: var(--royal-text-dark);
    border: 0.125rem solid var(--royal-border-light);
}

.royal-modal-btn-secondary:hover {
    background: var(--royal-bg-light);
    border-color: var(--royal-border-medium);
    transform: translateY(-0.125rem);
}

/* ===== FLOATING WARNING ===== */
.royal-floating-warning {
    position: fixed;
    bottom: 1.25rem;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, #fff3cd 0%, #ffeaa7 100%);
    border: 0.125rem solid #ffd43b;
    border-radius: var(--royal-radius-lg);
    padding: var(--royal-space-lg);
    max-width: 37.5rem;
    width: 90%;
    box-shadow: var(--royal-shadow-lg);
    z-index: 1500;
    display: flex;
    align-items: center;
    justify-content: space-between;
    animation: royal-slideInUp 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    backdrop-filter: blur(0.625rem);
}

@keyframes royal-slideInUp {
    from {
        bottom: -6.25rem;
        opacity: 0;
        transform: translateX(-50%) scale(0.9);
    }

    to {
        bottom: 1.25rem;
        opacity: 1;
        transform: translateX(-50%) scale(1);
    }
}

.royal-warning-content {
    flex: 1;
    margin-right: var(--royal-space-md);
}

.royal-warning-title {
    font-weight: 700;
    color: #856404;
    margin-bottom: var(--royal-space-xs);
    display: flex;
    align-items: center;
    gap: var(--royal-space-sm);
    font-size: var(--royal-font-default);
}

.royal-warning-title::before {
    content: '❤️';
    font-size: var(--royal-font-md);
}

.royal-warning-text {
    color: #856404;
    line-height: 1.5;
    font-size: var(--royal-font-sm);
}

.royal-close-warning {
    background: rgba(255, 255, 255, 0.5);
    border: none;
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    font-size: var(--royal-font-md);
    color: #856404;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--royal-transition);
    flex-shrink: 0;
}

.royal-close-warning:hover {
    background: rgba(255, 255, 255, 0.8);
    transform: rotate(90deg);
}

/* ===== NOTIFICATIONS ===== */
.royal-notification {
    position: fixed;
    top: 6.25rem;
    right: 1.25rem;
    background: white;
    border-radius: var(--royal-radius-lg);
    padding: var(--royal-space-md);
    box-shadow: var(--royal-shadow-lg);
    border-left: 0.25rem solid var(--royal-primary-blue);
    z-index: 9999;
    transform: translateX(25rem);
    transition: transform 0.3s ease;
    max-width: 18.75rem;
}

.royal-notification.royal-show {
    transform: translateX(0);
}

.royal-notification.royal-success {
    border-left-color: var(--royal-accent-green);
}

.royal-notification.royal-error {
    border-left-color: var(--royal-red-500);
}

.royal-notification.royal-info {
    border-left-color: var(--royal-primary-blue);
}

.royal-notification-content {
    display: flex;
    align-items: center;
    gap: var(--royal-space-sm);
}

.royal-notification-content i {
    font-size: var(--royal-font-md);
}

.royal-notification.royal-success .royal-notification-content i {
    color: var(--royal-accent-green);
}

.royal-notification.royal-info .royal-notification-content i {
    color: var(--royal-primary-blue);
}

/* ===== PAGE HEADERS ===== */
.royal-page-header {
    color: white;
    padding: 13.5rem 0 10rem;
    position: relative;
    overflow: hidden;
    background: var(--royal-gradient-hero);
}

.royal-page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg,
            rgba(0, 0, 0, 0.6) 0%,
            rgba(0, 0, 0, 0.4) 50%,
            rgba(0, 0, 0, 0.2) 100%);
    z-index: 1;
}

.royal-page-header-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
    z-index: 0;
    animation: backgroundBreath 8s ease-in-out infinite;
}

@keyframes backgroundBreath {

    0%,
    100% {
        transform: scale(1);
        filter: brightness(1);
    }

    50% {
        transform: scale(1.08);
        filter: brightness(1.1);
    }
}

.royal-page-header-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 50rem;
    margin: 0 auto;
}

.royal-page-header h1 {
    font-size: var(--royal-font-xxl);
    margin-bottom: var(--royal-space-md);
    font-weight: 800;
    line-height: 1.1;
    text-shadow: 0 0.125rem 1.25rem rgba(0, 0, 0, 0.3);
    background: linear-gradient(45deg, #ffffff, #e5e5e5);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.royal-page-header p {
    font-size: var(--royal-font-md);
    margin-bottom: var(--royal-space-lg);
    opacity: 0.95;
    line-height: 1.7;
    text-shadow: 0 0.125rem 0.625rem rgba(0, 0, 0, 0.3);
}

/* ===== PAGINATION ===== */
.royal-pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: var(--royal-space-xl);
    padding-top: var(--royal-space-lg);
    border-top: 1px solid var(--royal-border-light);
}

.royal-pagination .pagination {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.royal-pagination .pagination li {
    margin: 0;
}

.royal-pagination .pagination li a,
.royal-pagination .pagination li span {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 2.75rem;
    height: 2.75rem;
    padding: 0.5rem 1rem;
    border-radius: var(--royal-radius);
    font-weight: 500;
    text-decoration: none;
    transition: var(--royal-transition);
    border: 1.5px solid transparent;
    font-size: var(--royal-font-sm);
}

.royal-pagination .pagination li a {
    background: var(--royal-bg-white);
    color: var(--royal-text-light);
    border-color: var(--royal-border-light);
}

.royal-pagination .pagination li a:hover {
    background: var(--royal-blue-50);
    color: var(--royal-primary-blue);
    border-color: var(--royal-blue-200);
    transform: translateY(-0.125rem);
    box-shadow: var(--royal-shadow-sm);
}

.royal-pagination .pagination li.active span {
    background: var(--royal-gradient-primary);
    color: white;
    border-color: var(--royal-primary-blue);
    box-shadow: var(--royal-shadow), 0 0.25rem 0.75rem rgba(37, 99, 235, 0.2);
    font-weight: 600;
}

.royal-pagination .pagination li.disabled span {
    background: var(--royal-bg-light);
    color: var(--royal-text-lighter);
    border-color: var(--royal-border-light);
    cursor: not-allowed;
    opacity: 0.6;
}

.royal-pagination .pagination li:first-child a,
.royal-pagination .pagination li:first-child span,
.royal-pagination .pagination li:last-child a,
.royal-pagination .pagination li:last-child span {
    font-weight: 600;
    font-size: var(--royal-font-md);
}

/* Breadcrumb */
.royal-page-breadcrumb {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--royal-space-lg);
    font-size: var(--royal-font-sm);
}

.royal-page-breadcrumb a {
    color: rgba(255, 255, 255, 0.9);
    transition: var(--royal-transition);
}

.royal-page-breadcrumb a:hover {
    color: white;
}

.royal-page-breadcrumb span {
    color: var(--royal-blue-300);
}

/* ===== CATEGORY & ARTICLE PAGES ===== */
.royal-category-content {
    padding: 0 0 4rem;
    background: var(--royal-bg-light);
}

.royal-article-content {
    padding: 4rem 0 4rem;
}

/* ===== PRODUCTS SECTION ===== */
.royal-products-section {
    background: var(--royal-bg-white);
    padding: var(--royal-space-xxl) 0;
}

.royal-products-tabs {
    display: flex;
    justify-content: center;
    margin-bottom: var(--royal-space-xl);
    background: var(--royal-bg-white);
    border-radius: var(--royal-radius-xl);
    padding: 0.375rem;
    width: fit-content;
    margin-left: auto;
    margin-right: auto;
    box-shadow: var(--royal-shadow-sm);
    border: 1px solid var(--royal-border-light);
}

.royal-product-tab {
    padding: 0.6rem 1.5rem;
    cursor: pointer;
    border-radius: 1.25rem;
    transition: var(--royal-transition);
    font-weight: 500;
    color: var(--royal-text-light);
    font-size: var(--royal-font-default);
}

.royal-product-tab.royal-active {
    background: var(--royal-gradient-primary);
    color: white;
    box-shadow: var(--royal-shadow);
}

.royal-products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--royal-space-lg);
}

.royal-product-card {
    background: var(--royal-bg-white);
    border-radius: var(--royal-radius-md);
    padding: var(--royal-space-md);
    box-shadow: var(--royal-shadow);
    transition: var(--royal-transition);
    text-align: center;
    border: 1px solid var(--royal-border-light);
    position: relative;
    overflow: hidden;
}

.royal-product-card:hover {
    transform: translateY(-0.3125rem);
    box-shadow: var(--royal-shadow-md);
    transition: var(--royal-transition-slow);
}

.royal-product-image {
    width: 100%;
    position: relative;
    overflow: hidden;
    margin-bottom: var(--royal-space-md);
    background: var(--royal-blue-50);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--royal-radius);
    aspect-ratio: 4 / 3;
}

/* Fallback for browsers that don't support aspect-ratio */
@supports not (aspect-ratio: 4 / 3) {
    .royal-product-image::before {
        content: '';
        display: block;
        padding-top: 75%;
    }

    .royal-product-image img {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
    }
}

.royal-product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--royal-transition-slow);
}

.royal-product-card:hover .royal-product-image img {
    transform: scale(1.1);
}

.royal-product-card h3 {
    margin-bottom: var(--royal-space-sm);
    color: var(--royal-text-dark);
    font-weight: 600;
}

.royal-product-card h3 a {
    font-size: var(--royal-font-default);
}

.royal-product-card p {
    color: var(--royal-text-lighter);
    margin-bottom: var(--royal-space-sm);
    font-size: var(--royal-font-sm);
    line-height: 1.5;
}

.royal-product-stats {
    display: flex;
    justify-content: space-between;
    border-top: 1px solid #eee;
    padding-top: 0.9375rem;
}

.royal-product-stats .royal-stat-icon {
    width: 1.875rem;
    height: 1.875rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: var(--royal-font-xs);
}

.royal-product-stats .royal-stat-sales {
    background: var(--royal-gradient-red);
}

.royal-product-stats .royal-stat-favorites {
    background: var(--royal-gradient-orange);
}

.royal-product-stats .royal-stat-count {
    font-weight: 600;
    color: var(--royal-text-dark);
    font-size: var(--royal-font-sm);
}

/* ===== CATEGORY NAVIGATION ===== */
.royal-category-nav {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem;
    padding: 4rem 0;
}

.royal-category-nav a {
    font-weight: 700;
    padding: 0.8rem 1.5rem;
    cursor: pointer;
    border-radius: 1.5625rem;
    transition: var(--royal-transition);
    color: var(--royal-text-light);
    background: transparent;
    border: 1.5px solid transparent;
    text-decoration: none;
    display: inline-block;
    border-color: var(--royal-blue-100);
    font-size: var(--royal-font-default);
}

.royal-category-nav a.royal-active {
    background: var(--royal-gradient-primary);
    color: white;
    box-shadow: var(--royal-shadow), 0 0.25rem 0.75rem rgba(37, 99, 235, 0.2);
    border-color: var(--royal-primary-blue);
}

.royal-category-nav a:hover:not(.royal-active) {
    background: var(--royal-blue-50);
    color: var(--royal-primary-blue);
    border-color: var(--royal-blue-200);
}

/* ===== ARTICLE DETAIL PAGE ===== */
.royal-article-container {
    display: grid;
    gap: var(--royal-space-lg);
    align-items: start;
}

.royal-article-main {
    background: var(--royal-bg-white);
    border-radius: var(--royal-radius-lg);
    box-shadow: var(--royal-shadow);
    border: 1px solid var(--royal-border-light);
    overflow: hidden;
    padding: var(--royal-space-xl);
}

.royal-article-header {
    padding-bottom: 2rem;
    margin-bottom: 2rem;
    border-bottom: 1px solid var(--royal-border-light);
}

.royal-article-title {
    font-size: var(--royal-font-xl);
    color: var(--royal-text-dark);
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: var(--royal-space-md);
}

.royal-article-meta {
    display: flex;
    align-items: center;
    gap: var(--royal-space-lg);
    color: var(--royal-text-light);
}

.royal-article-meta-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: var(--royal-font-sm);
}

.royal-article-meta-item i {
    color: var(--royal-primary-blue);
    width: 1rem;
}

.royal-article-image {
    width: 100%;
    overflow: hidden;
    position: relative;
}

.royal-article-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.royal-article-text {
    font-size: var(--royal-font-default);
    line-height: 1.8;
    color: var(--royal-text-dark);
}

.royal-article-text p {
    margin-bottom: var(--royal-space-md);
}

.royal-article-text h2 {
    font-size: var(--royal-font-xl);
    color: var(--royal-text-dark);
    font-weight: 600;
    margin: var(--royal-space-xl) 0 var(--royal-space-md);
    padding-bottom: 0.5rem;
    border-bottom: 0.125rem solid var(--royal-primary-blue);
}

.royal-article-text h3 {
    font-size: var(--royal-font-lg);
    color: var(--royal-text-dark);
    font-weight: 600;
    margin: var(--royal-space-lg) 0 var(--royal-space-sm);
}

.royal-article-text h4 {
    font-size: var(--royal-font-md);
    color: var(--royal-text-dark);
    font-weight: 600;
    margin: var(--royal-space-md) 0 var(--royal-space-sm);
}

.royal-article-text blockquote {
    background: var(--royal-blue-50);
    border-left: 0.25rem solid var(--royal-primary-blue);
    padding: var(--royal-space-md);
    margin: var(--royal-space-lg) 0;
    font-style: italic;
    border-radius: 0 var(--royal-radius) var(--royal-radius) 0;
    color: var(--royal-text-dark);
}

.royal-article-text ul,
.royal-article-text ol {
    margin: var(--royal-space-md) 0;
    padding-left: var(--royal-space-lg);
}

.royal-article-text li {
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

.royal-article-text table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--royal-space-lg) 0;
    background: var(--royal-bg-white);
}

.royal-article-text table th {
    background: var(--royal-blue-50);
    padding: var(--royal-space-sm);
    text-align: left;
    font-weight: 600;
    border: 1px solid var(--royal-border-light);
}

.royal-article-text table td {
    padding: var(--royal-space-sm);
    border: 1px solid var(--royal-border-light);
}

.royal-article-text img {
    max-width: 100%;
    height: auto;
    border-radius: var(--royal-radius);
    margin: var(--royal-space-md) 0;
}

.royal-article-text a {
    color: var(--royal-primary-blue);
    text-decoration: none;
    transition: var(--royal-transition);
}

.royal-article-text a:hover {
    text-decoration: underline;
}

/* Article Features */
.royal-article-features {
    background: var(--royal-gradient-section);
    padding: var(--royal-space-lg);
    border-radius: var(--royal-radius-md);
    margin: var(--royal-space-xl) 0;
}

.royal-article-features h3 {
    color: var(--royal-primary-blue);
    margin-bottom: var(--royal-space-md);
    font-size: var(--royal-font-lg);
}

.royal-article-features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--royal-space-md);
}

.royal-article-feature {
    display: flex;
    align-items: flex-start;
    gap: var(--royal-space-sm);
}

.royal-article-feature i {
    color: var(--royal-primary-blue);
    font-size: var(--royal-font-md);
    margin-top: 0.2rem;
}

.royal-article-feature span {
    font-size: var(--royal-font-sm);
}

/* Article Navigation */
.royal-article-navigation {
    display: flex;
    justify-content: space-between;
    margin-top: 2.5rem;
    border-top: 1px solid #eee;
    padding-top: 1.25rem;
}

.royal-article-nav-btn {
    display: flex;
    align-items: center;
    padding: 0.9375rem;
    border: 1px solid #e0e0e0;
    border-radius: 0.5rem;
    text-decoration: none;
    color: #333;
    transition: all 0.3s ease;
    flex: 0 0 48%;
    background: #fff;
}

.royal-article-nav-btn:hover {
    border-color: #007bff;
    box-shadow: 0 0.125rem 0.5rem rgba(0, 123, 255, 0.1);
    transform: translateY(-0.125rem);
}

.royal-article-nav-btn.royal-article-next {
    flex-direction: row-reverse;
    text-align: right;
}

.royal-article-nav-btn.royal-article-nav-disabled {
    color: #999;
    cursor: not-allowed;
    background: #f8f9fa;
}

.royal-article-nav-btn.royal-article-nav-disabled:hover {
    border-color: #e0e0e0;
    box-shadow: none;
    transform: none;
}

.royal-article-nav-btn i {
    font-size: var(--royal-font-md);
    margin: 0 0.9375rem;
}

.royal-article-nav-content {
    flex: 1;
}

.royal-article-nav-label {
    font-size: var(--royal-font-sm);
    color: #666;
    margin-bottom: 0.3125rem;
}

.royal-article-nav-title {
    font-size: var(--royal-font-sm);
    font-weight: 500;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.royal-article-nav-disabled .royal-article-nav-label,
.royal-article-nav-disabled .royal-article-nav-title {
    color: #999;
}

/* Article Footer */
.royal-article-footer {
    padding: 2rem 0;
    border-top: 1px solid var(--royal-border-light);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.royal-article-tags {
    display: flex;
    align-items: center;
    gap: var(--royal-space-sm);
    flex-wrap: wrap;
}

.royal-article-tag {
    padding: 0.4rem 0.8rem;
    background: var(--royal-blue-50);
    color: var(--royal-primary-blue);
    border-radius: 0.9375rem;
    font-size: var(--royal-font-sm);
    font-weight: 500;
    transition: var(--royal-transition);
    border: 1px solid var(--royal-blue-100);
}

/* ===== SPONSOR MODAL ===== */
.royal-sponsor-content {
    text-align: center;
}

.royal-sponsor-text {
    margin-bottom: var(--royal-space-lg);
}

.royal-sponsor-text p {
    margin-bottom: var(--royal-space-sm);
    line-height: 1.6;
    color: var(--royal-text-dark);
    font-size: var(--royal-font-sm);
}
 
.royal-sponsor-methods {
    margin: var(--royal-space-xl) 0;
}

.royal-sponsor-method {
    display: flex;
    justify-content: center;
    gap: var(--royal-space-xl);
    flex-wrap: wrap;
}

.royal-sponsor-qrcode {
    text-align: center;
}

.royal-sponsor-qrcode .royal-qrcode {
    width: 12.5rem;
    height: 12.5rem;
    margin: 0 auto var(--royal-space-sm);
}

.royal-sponsor-label {
    font-weight: 600;
    color: var(--royal-text-dark);
    font-size: var(--royal-font-default);
}

.royal-sponsor-note {
    margin-top: var(--royal-space-xl);
}

.royal-sponsor-note .royal-permission-section {
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    border-left: 0.25rem solid var(--royal-primary-blue);
}

/* ===== BROWSER ALERT ===== */
.royal-browser-alert {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: linear-gradient(135deg, #ff6b6b, #ee5a24);
    color: white;
    z-index: 9999;
    padding: 0.9375rem 0;
    box-shadow: 0 0.25rem 0.75rem rgba(0, 0, 0, 0.15);
}

.royal-browser-alert-content {
    max-width: 75rem;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 1.25rem;
    padding: 0 1.25rem;
}

.royal-browser-icon {
    font-size: var(--royal-font-xl);
    opacity: 0.9;
}

.royal-browser-text h3 {
    margin: 0 0 0.5rem 0;
    font-size: var(--royal-font-md);
    font-weight: 600;
}

.royal-browser-text p {
    margin: 0 0 0.75rem 0;
    opacity: 0.9;
    font-size: var(--royal-font-sm);
}

.royal-browser-links {
    display: flex;
    gap: 0.9375rem;
}

.royal-browser-links a {
    color: white;
    text-decoration: none;
    padding: 0.375rem 0.75rem;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 0.25rem;
    transition: all 0.3s ease;
    font-size: var(--royal-font-sm);
}

.royal-browser-links a:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
}

.royal-browser-close {
    background: none;
    border: none;
    color: white;
    font-size: var(--royal-font-md);
    cursor: pointer;
    padding: 0.3125rem;
    margin-left: auto;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.royal-browser-close:hover {
    opacity: 1;
}

.layui-layer {
    border-radius: 0.4rem !important;
}

.layui-layer-content {
    border-radius: 0.4rem !important;
}

/* ===== SCROLLBAR STYLING ===== */
::-webkit-scrollbar {
    width: 0.375rem;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: var(--royal-primary-blue);
    border-radius: 0.1875rem;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--royal-blue-600);
}

/* Text Selection */
::selection {
    background: var(--royal-blue-200);
    color: var(--royal-text-dark);
}

/* ===== UTILITY CLASSES ===== */
.royal-modal-content.royal-animate-in {
    animation: royal-modalSlideIn 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.royal-fixed-btn.royal-top.royal-visible {
    opacity: 1 !important;
    visibility: visible !important;
}

body.royal-modal-open {
    overflow: hidden;
}

.royal-contact-method.royal-clicked {
    transform: scale(0.98);
}