:root {
    --primary-color: #c41e3a;
    --primary-dark: #9a1830;
    --primary-light: #e8354d;
    --primary-gradient: linear-gradient(135deg, #c41e3a 0%, #e8354d 100%);
    --secondary-color: #1a1a2e;
    --secondary-light: #16213e;
    --accent-color: #d4af37;
    --accent-light: #f0d78c;
    --text-dark: #1a1a1a;
    --text-light: #666666;
    --text-muted: #999999;
    --bg-light: #f8f9fa;
    --bg-white: #ffffff;
    --bg-cream: #faf8f5;
    --shadow-xs: 0 1px 3px rgba(0,0,0,0.05);
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 20px rgba(0,0,0,0.12);
    --shadow-lg: 0 8px 40px rgba(0,0,0,0.15);
    --shadow-xl: 0 20px 60px rgba(0,0,0,0.2);
    --shadow-primary: 0 10px 40px rgba(196,30,58,0.3);
    --radius-xs: 4px;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 30px;
    --transition-fast: all 0.2s ease;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", sans-serif;
    font-size: 15px;
    line-height: 1.7;
    color: var(--text-dark);
    background-color: var(--bg-light);
    overflow-x: hidden;
}

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

img {
    max-width: 100%;
    height: auto;
}

.container {
    max-width: 1320px;
    margin: 0 auto;
    padding: 0 20px;
}

::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-light);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--primary-color), var(--primary-dark));
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}

::selection {
    background: var(--primary-color);
    color: #fff;
}

.header {
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--secondary-light) 100%);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo a {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo h1 {
    font-size: 26px;
    font-weight: 700;
    color: #fff;
    letter-spacing: 2px;
}

.logo h1 span {
    color: var(--primary-color);
}

.nav ul {
    display: flex;
    list-style: none;
    gap: 8px;
}

.nav a {
    display: block;
    padding: 12px 20px;
    font-size: 15px;
    font-weight: 500;
    color: rgba(255,255,255,0.85);
    border-radius: var(--radius-sm);
    position: relative;
    overflow: hidden;
}

.nav a::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 3px;
    background: var(--primary-gradient);
    border-radius: 3px 3px 0 0;
    transition: var(--transition);
}

.nav a::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(255,255,255,0.05);
    opacity: 0;
    transition: var(--transition);
}

.nav a:hover::after,
.nav a.active::after {
    opacity: 1;
}

.nav a:hover,
.nav a.active {
    color: #fff;
}

.nav a:hover::before,
.nav a.active::before {
    width: 60%;
}

.header-phone {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--primary-gradient);
    padding: 12px 24px;
    border-radius: 50px;
    color: #fff;
    box-shadow: var(--shadow-primary);
    transition: var(--transition);
}

.header-phone:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 40px rgba(196,30,58,0.4);
}

.header-phone .phone-icon {
    font-size: 18px;
}

.header-phone .phone-number {
    font-size: 16px;
    font-weight: 600;
    letter-spacing: 1px;
}

.mobile-menu-toggle {
    display: none;
    width: 44px;
    height: 44px;
    background: rgba(255,255,255,0.1);
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    transition: var(--transition);
}

.mobile-menu-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: #fff;
    border-radius: 2px;
    transition: var(--transition);
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

.header-phone-mobile {
    display: none;
    align-items: center;
    gap: 8px;
    color: #fff;
    font-size: 14px;
}

.header-phone-mobile i {
    color: var(--primary-color);
}

.section {
    padding: 80px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-header h2 {
    font-size: 36px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
}

.section-header h2::before {
    content: '';
    position: absolute;
    left: -60px;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 2px;
    background: var(--primary-gradient);
}

.section-header h2::after {
    content: '';
    position: absolute;
    right: -60px;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 2px;
    background: var(--primary-gradient);
}

.section-header p {
    font-size: 16px;
    color: var(--text-light);
    margin-top: 20px;
}

.section-more {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary-color);
    font-weight: 500;
    padding: 8px 0;
    position: relative;
}

.section-more::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition);
}

.section-more:hover::after {
    width: 100%;
}

.section-more:hover {
    gap: 12px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 16px 40px;
    background: var(--primary-gradient);
    color: #fff;
    border: none;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-primary);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: 0.5s;
}

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

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(196,30,58,0.4);
    color: #fff;
}

.btn-secondary {
    background: linear-gradient(135deg, #6c757d 0%, #5a6268 100%);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

.btn-secondary:hover {
    box-shadow: 0 15px 40px rgba(0,0,0,0.2);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    box-shadow: none;
}

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

.page-banner {
    height: 280px;
    margin-top: 80px;
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--secondary-light) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-banner::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.page-banner::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 100px;
    background: linear-gradient(to top, #607993, transparent);
}

.page-banner-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 0 20px;
}

.page-banner-icon {
    width: 70px;
    height: 70px;
    background: var(--primary-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 28px;
    color: #fff;
    box-shadow: 0 10px 30px rgba(196, 30, 58, 0.4);
}

.page-banner h1 {
    font-size: 36px;
    font-weight: 700;
    color: #fff;
    margin: 0 0 10px;
    text-shadow: 0 2px 10px rgba(0,0,0,0.2);
    letter-spacing: 1px;
}

.page-banner h1 span {
    color: var(--primary-color);
}

.page-banner p {
    font-size: 15px;
    color: var(--accent-light);
    margin: 0;
    text-shadow: 0 1px 3px rgba(0,0,0,0.3);
}

.page-banner-stats {
    display: none;
}

.page-banner-decoration {
    display: none;
}

.page-banner-cases {
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--secondary-light) 100%);
}

.page-banner-designers {
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--secondary-light) 100%);
}

.page-banner-articles {
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--secondary-light) 100%);
}

.page-banner-bg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.page-banner-bg.loaded {
    opacity: 0.4;
}

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

.content-wrapper {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 40px;
}

.sidebar {
    flex-shrink: 0;
}

.sidebar-widget {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 25px;
    margin-bottom: 25px;
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(0,0,0,0.03);
}

.sidebar-widget h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-dark);
    padding-bottom: 15px;
    margin-bottom: 15px;
    border-bottom: 2px solid var(--primary-color);
    position: relative;
}

.sidebar-widget h3::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 40px;
    height: 2px;
    background: var(--accent-color);
}

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

.sidebar-widget li {
    padding: 12px 0;
    border-bottom: 1px solid var(--bg-light);
    transition: var(--transition);
}

.sidebar-widget li:last-child {
    border-bottom: none;
}

.sidebar-widget li:hover {
    padding-left: 5px;
}

.sidebar-widget a {
    color: var(--text-light);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.sidebar-widget a.active {
    color: var(--primary-color);
    font-weight: 500;
}

.pagination {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 40px;
}

.pagination a,
.pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 45px;
    height: 45px;
    padding: 0 15px;
    background: #fff;
    border: 2px solid #e8e8e8;
    border-radius: var(--radius-sm);
    color: var(--text-light);
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
}

.pagination a:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-2px);
}

.pagination .current {
    background: var(--primary-gradient);
    border-color: var(--primary-color);
    color: #fff;
    box-shadow: var(--shadow-primary);
}

.form-section {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-sm);
}

.form-section h2 {
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 30px;
    color: var(--text-dark);
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-dark);
    margin-bottom: 10px;
}

.form-group label .required {
    color: var(--primary-color);
    margin-left: 3px;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 14px 18px;
    border: 2px solid #e8e8e8;
    border-radius: var(--radius-md);
    font-size: 15px;
    color: var(--text-dark);
    transition: var(--transition);
    background: #fff;
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(196,30,58,0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

.form-group textarea {
    min-height: 140px;
    resize: vertical;
}

.alert {
    padding: 18px 25px;
    border-radius: var(--radius-md);
    margin-bottom: 25px;
    font-size: 15px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.alert-success {
    background: linear-gradient(135deg, #d4edda 0%, #c3e6cb 100%);
    color: #155724;
    border-left: 4px solid #28a745;
}

.alert-danger {
    background: linear-gradient(135deg, #f8d7da 0%, #f5c6cb 100%);
    color: #721c24;
    border-left: 4px solid #dc3545;
}

.footer {
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--secondary-light) 100%);
    color: #fff;
    padding: 80px 0 30px;
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--primary-gradient);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 50px;
    margin-bottom: 40px;
}

.footer-brand h3 {
    font-size: 26px;
    font-weight: 700;
    margin-bottom: 20px;
}

.footer-brand h3 span {
    color: var(--primary-color);
}

.footer-brand p {
    color: rgba(255,255,255,0.6);
    line-height: 1.8;
    margin-bottom: 25px;
}

.footer-social {
    display: flex;
    gap: 12px;
}

.footer-social a {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    font-size: 18px;
    transition: var(--transition);
}

.footer-social a:hover {
    background: var(--primary-color);
    transform: translateY(-5px);
}

.footer-links h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 25px;
    position: relative;
    padding-bottom: 12px;
}

.footer-links h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background: var(--primary-color);
}

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

.footer-links li {
    margin-bottom: 14px;
}

.footer-links a {
    color: rgba(255,255,255,0.6);
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.footer-links a:hover {
    color: #fff;
    padding-left: 5px;
}

.footer-links a i {
    font-size: 12px;
    color: var(--primary-color);
}

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid rgba(255,255,255,0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-copyright {
    color: rgba(255,255,255,0.7);
    font-size: 14px;
}

.footer-links-bottom {
    display: flex;
    gap: 30px;
}

.footer-links-bottom a {
    color: rgba(255,255,255,0.7);
    font-size: 14px;
    transition: var(--transition);
}

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

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-30px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInLeft {
    from { opacity: 0; transform: translateX(-30px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes fadeInRight {
    from { opacity: 0; transform: translateX(30px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes scaleIn {
    from { opacity: 0; transform: scale(0.9); }
    to { opacity: 1; transform: scale(1); }
}

@keyframes slideInUp {
    from { transform: translateY(100%); }
    to { transform: translateY(0); }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

.animate-fadeIn { animation: fadeIn 0.6s ease both; }
.animate-fadeInUp { animation: fadeInUp 0.6s ease both; }
.animate-fadeInDown { animation: fadeInDown 0.6s ease both; }
.animate-fadeInLeft { animation: fadeInLeft 0.6s ease both; }
.animate-fadeInRight { animation: fadeInRight 0.6s ease both; }
.animate-scaleIn { animation: scaleIn 0.6s ease both; }

.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }
.delay-5 { animation-delay: 0.5s; }

@media (max-width: 1200px) {
    .container {
        max-width: 960px;
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 992px) {
    .container {
        max-width: 720px;
    }
    
    .header .container {
        flex-wrap: wrap;
        height: auto;
        padding: 15px 20px;
    }
    
    .nav {
        order: 3;
        width: 100%;
        margin-top: 15px;
        display: none;
    }
    
    .nav.active {
        display: block;
    }
    
    .nav ul {
        flex-wrap: wrap;
        justify-content: center;
        flex-direction: column;
        gap: 5px;
    }
    
    .nav a {
        padding: 10px 15px;
        font-size: 14px;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .content-wrapper {
        grid-template-columns: 1fr;
    }
    
    .page-banner {
        height: 200px;
    }
    
    .page-banner-icon {
        width: 60px;
        height: 60px;
        font-size: 24px;
        margin-bottom: 15px;
    }
    
    .page-banner h1 {
        font-size: 32px;
    }
    
    .page-banner p {
        font-size: 14px;
    }
    
    .header-phone {
        display: none;
    }
    
    .header-phone-mobile {
        display: flex;
    }
}

@media (max-width: 768px) {
    .section {
        padding: 60px 0;
    }
    
    .section-header h2 {
        font-size: 28px;
    }
    
    .section-header h2::before,
    .section-header h2::after {
        display: none;
    }
    
    .page-banner {
        height: 180px;
    }
    
    .page-banner-icon {
        width: 50px;
        height: 50px;
        font-size: 20px;
        margin-bottom: 12px;
    }
    
    .page-banner h1 {
        font-size: 26px;
    }
    
    .page-banner p {
        font-size: 13px;
    }
    
    .page-banner-decoration {
        display: none;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
    
    .form-section {
        padding: 25px;
    }
}

/* 滚动动画 */
.scroll-animate {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.scroll-animate.animated {
    opacity: 1;
    transform: translateY(0);
}

.scroll-animate.delay-1 { transition-delay: 0.1s; }
.scroll-animate.delay-2 { transition-delay: 0.2s; }
.scroll-animate.delay-3 { transition-delay: 0.3s; }
.scroll-animate.delay-4 { transition-delay: 0.4s; }

/* 图片懒加载 */
.lazy-image {
    opacity: 0;
    transition: opacity 0.5s ease;
}

.lazy-image.loaded {
    opacity: 1;
}

/* 悬停效果增强 */
.hover-lift {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hover-lift:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

/* 渐变文字 */
.gradient-text {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* 发光效果 */
.glow {
    box-shadow: 0 0 20px rgba(196, 30, 58, 0.3);
}

.glow:hover {
    box-shadow: 0 0 30px rgba(196, 30, 58, 0.5);
}

/* 玻璃效果 */
.glass {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

/* 脉冲动画 */
.pulse {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

/* 浮动动画 */
.float {
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

/* 闪烁动画 */
.shimmer {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* 进度条 */
.progress-bar {
    height: 4px;
    background: rgba(196, 30, 58, 0.1);
    border-radius: 2px;
    overflow: hidden;
}

.progress-bar-fill {
    height: 100%;
    background: var(--primary-gradient);
    border-radius: 2px;
    transition: width 0.3s ease;
}

/* 标签样式 */
.tag {
    display: inline-flex;
    align-items: center;
    padding: 4px 12px;
    background: rgba(196, 30, 58, 0.1);
    color: var(--primary-color);
    font-size: 12px;
    font-weight: 500;
    border-radius: 50px;
    transition: var(--transition);
}

.tag:hover {
    background: var(--primary-gradient);
    color: #fff;
}

/* 徽章样式 */
.badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 20px;
    height: 20px;
    padding: 0 6px;
    background: var(--primary-gradient);
    color: #fff;
    font-size: 11px;
    font-weight: 600;
    border-radius: 10px;
}

/* 分割线 */
.divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-color), transparent);
    margin: 30px 0;
}

/* 引用样式 */
.quote {
    position: relative;
    padding: 20px 25px;
    background: var(--bg-light);
    border-left: 4px solid var(--primary-color);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    font-style: italic;
    color: var(--text-light);
}

.quote::before {
    content: '"';
    position: absolute;
    top: 10px;
    left: 10px;
    font-size: 40px;
    color: var(--primary-color);
    opacity: 0.2;
    font-family: Georgia, serif;
}

/* 工具提示 */
.tooltip {
    position: relative;
}

.tooltip::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(-5px);
    padding: 8px 12px;
    background: var(--secondary-color);
    color: #fff;
    font-size: 12px;
    white-space: nowrap;
    border-radius: var(--radius-xs);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.tooltip:hover::after {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

/* 滚动指示器 */
.scroll-indicator {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    background: var(--primary-gradient);
    z-index: 1001;
    transition: width 0.1s ease;
}

/* 返回顶部按钮 */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary-gradient);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    box-shadow: var(--shadow-primary);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(196, 30, 58, 0.4);
}