/*
==============================================
天辰财务管理公司 - 讨债要债网站样式表
骰子设计结果:
- D8=6: Z轴层叠布局
- D6=2: 侧边垂直导航
- D10=7: 3D翻转展示区
- D6=4: 混排家族排版
- D6=4: 磁性吸附交互
- D6=1: 玻璃拟态质感
- D6=2: 舒适宽松留白
- D6=2: 滚动渐进动效
==============================================
主题色: 热情红 #E53935
==============================================
*/

/* ============================================
   CSS变量定义 - 主题色彩系统
   ============================================ */
:root {
    /* 主题色 - 热情红 */
    --tc-primary: #E53935;
    --tc-primary-dark: #C62828;
    --tc-primary-light: #FF5252;
    --tc-primary-rgb: 229, 57, 53;
    
    /* 辅助色 */
    --tc-secondary: #FF6F00;
    --tc-secondary-rgb: 255, 111, 0;
    --tc-accent: #FFD600;
    --tc-accent-rgb: 255, 214, 0;
    
    /* 中性色 */
    --tc-dark: #1A1A2E;
    --tc-dark-rgb: 26, 26, 46;
    --tc-gray-900: #212529;
    --tc-gray-800: #343A40;
    --tc-gray-700: #495057;
    --tc-gray-600: #6C757D;
    --tc-gray-500: #ADB5BD;
    --tc-gray-400: #CED4DA;
    --tc-gray-300: #DEE2E6;
    --tc-gray-200: #E9ECEF;
    --tc-gray-100: #F8F9FA;
    --tc-white: #FFFFFF;
    
    /* 背景色 */
    --tc-body-bg: #F5F7FA;
    --tc-body-bg-dark: #0F0F1A;
    --tc-card-bg: rgba(255, 255, 255, 0.85);
    --tc-card-bg-dark: rgba(26, 26, 46, 0.9);
    
    /* 玻璃拟态 */
    --tc-glass-bg: rgba(255, 255, 255, 0.15);
    --tc-glass-border: rgba(255, 255, 255, 0.2);
    --tc-glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    --tc-blur: blur(20px);
    
    /* 字体 */
    --tc-font-cn: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    --tc-font-en: Georgia, "Times New Roman", serif;
    --tc-font-mono: "SF Mono", Monaco, monospace;
    
    /* 间距 - 舒适宽松 */
    --tc-section-padding: 8vh;
    --tc-section-padding-sm: 5vh;
    --tc-container-padding: 2rem;
    --tc-card-padding: 2rem;
    --tc-element-gap: 1.5rem;
    
    /* 圆角 */
    --tc-radius-sm: 8px;
    --tc-radius-md: 16px;
    --tc-radius-lg: 24px;
    --tc-radius-xl: 32px;
    --tc-radius-full: 9999px;
    
    /* 阴影 */
    --tc-shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --tc-shadow-md: 0 4px 20px rgba(0, 0, 0, 0.1);
    --tc-shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.12);
    --tc-shadow-primary: 0 4px 20px rgba(229, 57, 53, 0.3);
    
    /* 过渡 */
    --tc-transition-fast: 0.15s ease;
    --tc-transition-normal: 0.3s ease;
    --tc-transition-slow: 0.5s ease;
    --tc-transition-magnetic: 0.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    
    /* 侧边栏宽度 */
    --tc-sidebar-width: 280px;
    --tc-sidebar-collapsed: 80px;
}

/* ============================================
   基础重置与全局样式
   ============================================ */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body.tc-body {
    font-family: var(--tc-font-cn);
    background-color: var(--tc-body-bg);
    color: var(--tc-gray-800);
    line-height: 1.7;
    overflow-x: hidden;
    min-height: 100vh;
}

/* 混排家族 - 中文无衬线 + 英文衬线 */
.tc-title-en,
.tc-stat-en,
.tc-section-title .tc-title-en,
.tc-card-en {
    font-family: var(--tc-font-en);
    font-style: italic;
    letter-spacing: 0.05em;
}

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

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

/* ============================================
   侧边垂直导航 - 玻璃拟态风格
   ============================================ */
.tc-sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--tc-sidebar-width);
    height: 100vh;
    background: linear-gradient(180deg, 
        rgba(229, 57, 53, 0.95) 0%, 
        rgba(198, 40, 40, 0.98) 100%);
    backdrop-filter: var(--tc-blur);
    -webkit-backdrop-filter: var(--tc-blur);
    border-right: 1px solid var(--tc-glass-border);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    padding: 1.5rem 0;
    overflow-y: auto;
    overflow-x: hidden;
    transition: var(--tc-transition-normal);
}

.tc-sidebar::-webkit-scrollbar {
    width: 4px;
}

.tc-sidebar::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.3);
    border-radius: var(--tc-radius-full);
}

/* 品牌Logo区 */
.tc-sidebar-brand {
    padding: 0 1.5rem 1.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.tc-brand-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.tc-brand-logo {
    width: 48px;
    height: 48px;
    background: var(--tc-white);
    border-radius: var(--tc-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--tc-primary);
    flex-shrink: 0;
}

.tc-brand-text {
    display: flex;
    flex-direction: column;
}

.tc-brand-cn {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--tc-white);
    line-height: 1.2;
}

.tc-brand-en {
    font-size: 0.65rem;
    color: rgba(255, 255, 255, 0.7);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.tc-sidebar-close {
    background: none;
    border: none;
    color: var(--tc-white);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
}

/* 导航菜单 */
.tc-sidebar-nav {
    list-style: none;
    padding: 0.5rem 1rem;
    flex: 1;
}

.tc-nav-item {
    margin-bottom: 0.5rem;
}

.tc-nav-link {
    display: flex;
    align-items: center;
    padding: 0.875rem 1rem;
    border-radius: var(--tc-radius-md);
    color: rgba(255, 255, 255, 0.85);
    transition: var(--tc-transition-normal);
    position: relative;
    overflow: hidden;
}

.tc-nav-link::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, rgba(255,255,255,0.15) 0%, transparent 100%);
    opacity: 0;
    transition: var(--tc-transition-normal);
}

.tc-nav-link:hover,
.tc-nav-item.active .tc-nav-link {
    color: var(--tc-white);
    background: rgba(255, 255, 255, 0.1);
}

.tc-nav-link:hover::before,
.tc-nav-item.active .tc-nav-link::before {
    opacity: 1;
}

.tc-nav-icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--tc-radius-sm);
    margin-right: 0.875rem;
    font-size: 1rem;
    transition: var(--tc-transition-normal);
}

.tc-nav-link:hover .tc-nav-icon,
.tc-nav-item.active .tc-nav-icon {
    background: var(--tc-white);
    color: var(--tc-primary);
}

.tc-nav-text {
    flex: 1;
    font-size: 0.95rem;
    font-weight: 500;
}

.tc-nav-arrow {
    opacity: 0;
    transform: translateX(-10px);
    transition: var(--tc-transition-normal);
}

.tc-nav-link:hover .tc-nav-arrow {
    opacity: 1;
    transform: translateX(0);
}

/* 联系方式区 */
.tc-sidebar-contact {
    padding: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin-top: auto;
}

.tc-contact-phone {
    margin-bottom: 1rem;
}

.tc-phone-link {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    background: var(--tc-white);
    color: var(--tc-primary);
    padding: 0.875rem 1rem;
    border-radius: var(--tc-radius-md);
    font-weight: 700;
    font-size: 1rem;
    transition: var(--tc-transition-normal);
}

.tc-phone-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.tc-wechat-qr {
    text-align: center;
}

.tc-qr-img,
.tc-qr-placeholder {
    width: 100px;
    height: 100px;
    margin: 0 auto 0.5rem;
    background: var(--tc-white);
    border-radius: var(--tc-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: var(--tc-gray-600);
}

.tc-qr-img {
    object-fit: cover;
}

.tc-wechat-text {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.7);
    margin: 0;
}

/* 装饰元素 */
.tc-sidebar-decor {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 200px;
    pointer-events: none;
    overflow: hidden;
    z-index: -1;
}

.tc-decor-circle {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.03);
}

.tc-decor-1 {
    width: 300px;
    height: 300px;
    bottom: -150px;
    left: -100px;
}

.tc-decor-2 {
    width: 200px;
    height: 200px;
    bottom: -80px;
    right: -60px;
}

.tc-decor-line {
    position: absolute;
    bottom: 50px;
    left: 20px;
    width: 60px;
    height: 2px;
    background: linear-gradient(90deg, rgba(255,255,255,0.2) 0%, transparent 100%);
}

/* ============================================
   移动端顶部导航栏
   ============================================ */
.tc-mobile-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: linear-gradient(90deg, var(--tc-primary) 0%, var(--tc-primary-dark) 100%);
    backdrop-filter: var(--tc-blur);
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1rem;
    box-shadow: var(--tc-shadow-md);
}

.tc-mobile-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.tc-mobile-logo {
    width: 36px;
    height: 36px;
    background: var(--tc-white);
    border-radius: var(--tc-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--tc-primary);
    font-size: 1.25rem;
}

.tc-mobile-title {
    color: var(--tc-white);
    font-weight: 700;
    font-size: 1rem;
}

.tc-menu-toggle {
    width: 40px;
    height: 40px;
    background: none;
    border: none;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    cursor: pointer;
    padding: 0.5rem;
}

.tc-toggle-bar {
    width: 24px;
    height: 2px;
    background: var(--tc-white);
    border-radius: 2px;
    transition: var(--tc-transition-normal);
}

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

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

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

/* 移动端遮罩层 */
.tc-sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: var(--tc-transition-normal);
}

.tc-sidebar-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* ============================================
   右侧悬浮快速联系
   ============================================ */
.tc-float-contact {
    position: fixed;
    right: 20px;
    bottom: 100px;
    z-index: 998;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.tc-float-btn {
    width: 50px;
    height: 50px;
    border-radius: var(--tc-radius-full);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--tc-white);
    font-size: 1.25rem;
    transition: var(--tc-transition-magnetic);
    box-shadow: var(--tc-shadow-md);
    position: relative;
    overflow: hidden;
}

.tc-float-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255,255,255,0.2) 0%, transparent 50%);
}

.tc-float-phone {
    background: linear-gradient(135deg, var(--tc-primary) 0%, var(--tc-primary-dark) 100%);
}

.tc-float-msg {
    background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
}

.tc-float-top {
    background: linear-gradient(135deg, var(--tc-gray-700) 0%, var(--tc-gray-800) 100%);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
}

.tc-float-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.tc-float-text {
    font-size: 0.65rem;
    margin-top: 2px;
}

.tc-float-btn:hover {
    transform: scale(1.1);
    box-shadow: var(--tc-shadow-lg);
}

/* ============================================
   主内容区域
   ============================================ */
.tc-main-content {
    margin-left: var(--tc-sidebar-width);
    min-height: 100vh;
    transition: var(--tc-transition-normal);
}

/* ============================================
   通用组件样式
   ============================================ */

/* 按钮样式 - 磁性吸附 */
.tc-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--tc-radius-md);
    border: none;
    cursor: pointer;
    transition: var(--tc-transition-magnetic);
    position: relative;
    overflow: hidden;
}

.tc-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: var(--tc-transition-slow);
}

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

.tc-btn-primary {
    background: linear-gradient(135deg, var(--tc-primary) 0%, var(--tc-primary-dark) 100%);
    color: var(--tc-white);
    box-shadow: var(--tc-shadow-primary);
}

.tc-btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(229, 57, 53, 0.4);
    color: var(--tc-white);
}

.tc-btn-outline {
    background: transparent;
    color: var(--tc-primary);
    border: 2px solid var(--tc-primary);
}

.tc-btn-outline:hover {
    background: var(--tc-primary);
    color: var(--tc-white);
    transform: translateY(-3px);
}

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

.tc-btn-light:hover {
    background: var(--tc-gray-100);
    transform: translateY(-3px);
    color: var(--tc-primary);
}

.tc-btn-lg {
    padding: 1rem 2rem;
    font-size: 1rem;
}

.tc-btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
}

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

/* 磁性吸附效果 */
.tc-btn-magnetic {
    transition: var(--tc-transition-magnetic);
}

/* 区块标题 */
.tc-section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.tc-section-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(229, 57, 53, 0.1);
    color: var(--tc-primary);
    border-radius: var(--tc-radius-full);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.tc-section-badge.tc-badge-outline {
    background: transparent;
    border: 1px solid var(--tc-primary);
}

.tc-section-badge.tc-badge-light {
    background: rgba(255, 255, 255, 0.15);
    color: var(--tc-white);
}

.tc-section-title {
    margin-bottom: 1rem;
}

.tc-section-title .tc-title-cn {
    display: block;
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--tc-gray-900);
    margin-bottom: 0.25rem;
}

.tc-section-title .tc-title-en {
    display: block;
    font-size: 0.9rem;
    color: var(--tc-gray-500);
    text-transform: uppercase;
    letter-spacing: 0.15em;
}

.tc-section-title.tc-title-light .tc-title-cn {
    color: var(--tc-white);
}

.tc-section-title.tc-title-light .tc-title-en {
    color: rgba(255, 255, 255, 0.7);
}

.tc-section-title.tc-title-sm .tc-title-cn {
    font-size: 1.75rem;
}

.tc-section-desc {
    color: var(--tc-gray-600);
    font-size: 1rem;
    max-width: 600px;
    margin: 0 auto;
}

.tc-section-desc.tc-desc-light {
    color: rgba(255, 255, 255, 0.8);
}

/* ============================================
   Hero巨型标题区 - Z轴层叠
   ============================================ */
.tc-hero {
    position: relative;
    min-height: 100vh;
    overflow: hidden;
}

.tc-hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.tc-bg-layer {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.tc-bg-primary {
    background: linear-gradient(135deg, var(--tc-primary) 0%, var(--tc-primary-dark) 100%);
}

.tc-bg-pattern {
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.08) 0%, transparent 50%);
}

.tc-bg-gradient {
    background: linear-gradient(180deg, transparent 0%, rgba(0,0,0,0.3) 100%);
}

.tc-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.tc-particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    animation: tcFloat 15s infinite ease-in-out;
}

@keyframes tcFloat {
    0%, 100% {
        transform: translateY(0) translateX(0);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(-100vh) translateX(50px);
        opacity: 0;
    }
}

/* 轮播图 */
.tc-hero-slider {
    position: relative;
    z-index: 1;
    height: 100vh;
}

#tcHeroCarousel {
    height: 100%;
}

#tcHeroCarousel .carousel-inner,
#tcHeroCarousel .carousel-item {
    height: 100%;
}

.tc-slide-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    transform: scale(1.1);
    transition: transform 6s ease;
}

.carousel-item.active .tc-slide-bg {
    transform: scale(1);
}

.tc-slide-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(229, 57, 53, 0.85) 0%, rgba(26, 26, 46, 0.9) 100%);
}

.tc-slide-content {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.tc-content-inner {
    text-align: center;
    max-width: 800px;
}

.tc-slide-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--tc-radius-full);
    color: var(--tc-white);
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.tc-slide-title {
    margin-bottom: 1.5rem;
}

.tc-title-line {
    display: block;
    font-size: 4rem;
    font-weight: 900;
    color: var(--tc-white);
    line-height: 1.2;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.tc-title-highlight {
    background: linear-gradient(90deg, var(--tc-accent) 0%, var(--tc-white) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tc-slide-desc {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.tc-highlight-num {
    color: var(--tc-accent);
    font-weight: 800;
    font-size: 1.5em;
}

.tc-slide-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* 轮播控制按钮 */
.tc-carousel-btn {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--tc-radius-full);
    transition: var(--tc-transition-normal);
}

.tc-carousel-btn:hover {
    background: var(--tc-white);
}

.tc-carousel-btn:hover .tc-carousel-icon {
    color: var(--tc-primary);
}

.tc-carousel-icon {
    font-size: 1.5rem;
    color: var(--tc-white);
    transition: var(--tc-transition-normal);
}

.carousel-indicators button {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    border: none;
    margin: 0 6px;
}

.carousel-indicators button.active {
    background: var(--tc-white);
    width: 30px;
    border-radius: 6px;
}

/* 滚动提示 */
.tc-scroll-hint {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.tc-scroll-mouse {
    width: 26px;
    height: 40px;
    border: 2px solid rgba(255, 255, 255, 0.5);
    border-radius: 13px;
    display: flex;
    justify-content: center;
    padding-top: 8px;
}

.tc-scroll-wheel {
    width: 4px;
    height: 8px;
    background: var(--tc-white);
    border-radius: 2px;
    animation: tcScrollWheel 1.5s infinite;
}

@keyframes tcScrollWheel {
    0% {
        transform: translateY(0);
        opacity: 1;
    }
    100% {
        transform: translateY(12px);
        opacity: 0;
    }
}

.tc-scroll-text {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.6);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* ============================================
   信任背书矩阵 - 数据统计
   ============================================ */
.tc-stats {
    padding: var(--tc-section-padding) 0;
    background: var(--tc-white);
}

.tc-stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.tc-stat-card {
    text-align: center;
    padding: 2rem 1rem;
    background: linear-gradient(135deg, var(--tc-gray-100) 0%, var(--tc-white) 100%);
    border-radius: var(--tc-radius-lg);
    transition: var(--tc-transition-normal);
}

.tc-stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--tc-shadow-lg);
}

.tc-stat-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--tc-primary) 0%, var(--tc-primary-dark) 100%);
    border-radius: var(--tc-radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.25rem;
    font-size: 1.75rem;
    color: var(--tc-white);
}

.tc-stat-number {
    font-size: 3rem;
    font-weight: 900;
    color: var(--tc-gray-900);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.tc-stat-label {
    font-size: 1rem;
    font-weight: 600;
    color: var(--tc-gray-700);
}

.tc-stat-en {
    font-size: 0.75rem;
    color: var(--tc-gray-500);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* ============================================
   服务项目 - 3D翻转展示区
   ============================================ */
.tc-services {
    padding: var(--tc-section-padding) 0;
    position: relative;
    overflow: hidden;
}

.tc-section-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    overflow: hidden;
}

.tc-bg-shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.5;
}

.tc-shape-1 {
    width: 500px;
    height: 500px;
    background: rgba(229, 57, 53, 0.1);
    top: -200px;
    right: -200px;
}

.tc-shape-2 {
    width: 400px;
    height: 400px;
    background: rgba(255, 111, 0, 0.1);
    bottom: -150px;
    left: -150px;
}

.tc-services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    position: relative;
    z-index: 1;
}

/* 3D翻转卡片 */
.tc-service-card {
    perspective: 1000px;
    height: 320px;
}

.tc-card-3d {
    width: 100%;
    height: 100%;
    position: relative;
    transform-style: preserve-3d;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.tc-service-card:hover .tc-card-3d {
    transform: rotateY(180deg);
}

.tc-card-inner {
    width: 100%;
    height: 100%;
    position: relative;
    transform-style: preserve-3d;
}

.tc-card-front,
.tc-card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    border-radius: var(--tc-radius-lg);
    padding: 2rem;
    display: flex;
    flex-direction: column;
}

.tc-card-front {
    background: var(--tc-white);
    box-shadow: var(--tc-shadow-md);
    align-items: center;
    text-align: center;
}

.tc-card-back {
    background: linear-gradient(135deg, var(--tc-primary) 0%, var(--tc-primary-dark) 100%);
    transform: rotateY(180deg);
    color: var(--tc-white);
}

.tc-card-front .tc-card-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, rgba(229, 57, 53, 0.1) 0%, rgba(229, 57, 53, 0.05) 100%);
    border-radius: var(--tc-radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: var(--tc-primary);
    margin-bottom: 1.5rem;
}

.tc-card-front .tc-card-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--tc-gray-900);
    margin-bottom: 1rem;
}

.tc-card-front .tc-card-desc {
    font-size: 0.9rem;
    color: var(--tc-gray-600);
    line-height: 1.7;
    flex: 1;
}

.tc-card-more {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--tc-primary);
    font-weight: 600;
    font-size: 0.9rem;
    margin-top: auto;
}

.tc-card-more i {
    transition: var(--tc-transition-normal);
}

.tc-card-front:hover .tc-card-more i {
    transform: translateX(5px);
}

.tc-card-back .tc-back-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1.25rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.tc-back-list {
    list-style: none;
    flex: 1;
}

.tc-back-list li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
    font-size: 0.9rem;
}

.tc-back-list li i {
    font-size: 1rem;
}

.tc-card-back .tc-btn {
    margin-top: auto;
    background: var(--tc-white);
    color: var(--tc-primary);
}

.tc-card-back .tc-btn:hover {
    background: var(--tc-gray-100);
}

/* ============================================
   为什么选择我们
   ============================================ */
.tc-whyus {
    padding: var(--tc-section-padding) 0;
    background: var(--tc-white);
}

.tc-whyus-row {
    align-items: center;
}

.tc-intro-content {
    padding-right: 3rem;
}

.tc-intro-text {
    margin-bottom: 2rem;
}

.tc-intro-text p {
    color: var(--tc-gray-600);
    margin-bottom: 1rem;
    line-height: 1.8;
}

.tc-intro-features {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.tc-intro-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    background: var(--tc-gray-100);
    border-radius: var(--tc-radius-md);
    font-weight: 600;
    color: var(--tc-gray-700);
}

.tc-intro-item i {
    color: var(--tc-primary);
    font-size: 1.25rem;
}

.tc-whyus-image {
    position: relative;
    padding: 2rem;
}

.tc-image-frame {
    position: relative;
    border-radius: var(--tc-radius-lg);
    overflow: hidden;
}

.tc-main-image {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

.tc-image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(229, 57, 53, 0.2) 0%, transparent 100%);
}

.tc-image-card {
    position: absolute;
    background: var(--tc-white);
    border-radius: var(--tc-radius-md);
    padding: 1rem 1.5rem;
    box-shadow: var(--tc-shadow-lg);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.tc-card-1 {
    bottom: 0;
    left: 0;
}

.tc-card-2 {
    top: 0;
    right: 0;
}

.tc-image-card .tc-card-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--tc-primary) 0%, var(--tc-primary-dark) 100%);
    border-radius: var(--tc-radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--tc-white);
    font-size: 1.25rem;
}

.tc-image-card .tc-card-info {
    display: flex;
    flex-direction: column;
}

.tc-image-card .tc-card-num {
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--tc-primary);
    line-height: 1;
}

.tc-image-card .tc-card-text {
    font-size: 0.8rem;
    color: var(--tc-gray-600);
}

/* 特性列表 */
.tc-features-list {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.tc-feature-item {
    display: flex;
    gap: 1rem;
    padding: 1.25rem;
    background: var(--tc-gray-100);
    border-radius: var(--tc-radius-md);
    transition: var(--tc-transition-normal);
}

.tc-feature-item:hover {
    background: var(--tc-white);
    box-shadow: var(--tc-shadow-md);
    transform: translateX(5px);
}

.tc-feature-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--tc-primary) 0%, var(--tc-primary-dark) 100%);
    border-radius: var(--tc-radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--tc-white);
    font-size: 1.25rem;
    flex-shrink: 0;
}

.tc-feature-content {
    flex: 1;
}

.tc-feature-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--tc-gray-900);
    margin-bottom: 0.25rem;
}

.tc-feature-text {
    font-size: 0.9rem;
    color: var(--tc-gray-600);
    margin: 0;
}

/* ============================================
   工作流程 - 时间轴
   ============================================ */
.tc-process {
    padding: var(--tc-section-padding) 0;
    position: relative;
    background: linear-gradient(180deg, var(--tc-gray-100) 0%, var(--tc-white) 100%);
}

.tc-process-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.tc-process-bg .tc-bg-pattern {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: radial-gradient(circle at 1px 1px, rgba(229, 57, 53, 0.1) 1px, transparent 0);
    background-size: 40px 40px;
}

.tc-process-timeline {
    position: relative;
    display: flex;
    justify-content: space-between;
    padding: 2rem 0;
}

.tc-timeline-line {
    position: absolute;
    top: 50%;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--tc-primary) 0%, var(--tc-primary-light) 100%);
    border-radius: 2px;
    transform: translateY(-50%);
}

.tc-timeline-item {
    position: relative;
    z-index: 1;
    width: 18%;
}

.tc-timeline-dot {
    width: 60px;
    height: 60px;
    background: var(--tc-white);
    border: 4px solid var(--tc-primary);
    border-radius: var(--tc-radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    box-shadow: var(--tc-shadow-md);
}

.tc-dot-num {
    font-size: 1.25rem;
    font-weight: 900;
    color: var(--tc-primary);
}

.tc-timeline-card {
    background: var(--tc-white);
    border-radius: var(--tc-radius-lg);
    padding: 1.5rem;
    text-align: center;
    box-shadow: var(--tc-shadow-md);
    transition: var(--tc-transition-normal);
}

.tc-timeline-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--tc-shadow-lg);
}

.tc-timeline-card .tc-card-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, rgba(229, 57, 53, 0.1) 0%, rgba(229, 57, 53, 0.05) 100%);
    border-radius: var(--tc-radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    font-size: 1.5rem;
    color: var(--tc-primary);
}

.tc-timeline-card .tc-card-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--tc-gray-900);
    margin-bottom: 0.5rem;
}

.tc-timeline-card .tc-card-desc {
    font-size: 0.85rem;
    color: var(--tc-gray-600);
    margin: 0;
    line-height: 1.6;
}

/* ============================================
   成功案例
   ============================================ */
.tc-cases {
    padding: var(--tc-section-padding) 0;
    background: var(--tc-white);
}

.tc-cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.tc-case-card {
    background: var(--tc-white);
    border-radius: var(--tc-radius-lg);
    overflow: hidden;
    box-shadow: var(--tc-shadow-md);
    transition: var(--tc-transition-normal);
}

.tc-case-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--tc-shadow-lg);
}

.tc-case-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.tc-case-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.tc-case-card:hover .tc-case-image img {
    transform: scale(1.1);
}

.tc-case-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, transparent 50%, rgba(0,0,0,0.5) 100%);
}

.tc-case-tag {
    position: absolute;
    top: 1rem;
    left: 1rem;
    padding: 0.375rem 0.875rem;
    background: var(--tc-primary);
    color: var(--tc-white);
    border-radius: var(--tc-radius-full);
    font-size: 0.8rem;
    font-weight: 600;
}

.tc-case-content {
    padding: 1.5rem;
}

.tc-case-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--tc-gray-900);
    margin-bottom: 0.75rem;
}

.tc-case-desc {
    font-size: 0.9rem;
    color: var(--tc-gray-600);
    line-height: 1.6;
    margin-bottom: 1rem;
}

.tc-case-meta {
    display: flex;
    gap: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--tc-gray-200);
}

.tc-case-amount,
.tc-case-days {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--tc-primary);
}

/* ============================================
   最新资讯
   ============================================ */
.tc-news {
    padding: var(--tc-section-padding) 0;
    background: linear-gradient(180deg, var(--tc-gray-100) 0%, var(--tc-white) 100%);
}

.tc-news-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.tc-news-card {
    background: var(--tc-white);
    border-radius: var(--tc-radius-lg);
    overflow: hidden;
    box-shadow: var(--tc-shadow-md);
    transition: var(--tc-transition-normal);
}

.tc-news-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--tc-shadow-lg);
}

.tc-news-image {
    position: relative;
    height: 180px;
    overflow: hidden;
}

.tc-news-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.tc-news-card:hover .tc-news-image img {
    transform: scale(1.1);
}

.tc-news-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, transparent 50%, rgba(0,0,0,0.3) 100%);
}

.tc-news-date {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--tc-primary);
    color: var(--tc-white);
    border-radius: var(--tc-radius-md);
    padding: 0.5rem;
    text-align: center;
    min-width: 50px;
}

.tc-date-day {
    display: block;
    font-size: 1.25rem;
    font-weight: 900;
    line-height: 1;
}

.tc-date-month {
    display: block;
    font-size: 0.7rem;
    text-transform: uppercase;
}

.tc-news-content {
    padding: 1.25rem;
}

.tc-news-meta {
    display: flex;
    gap: 1rem;
    margin-bottom: 0.75rem;
}

.tc-meta-item {
    font-size: 0.8rem;
    color: var(--tc-gray-500);
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.tc-news-title {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    line-height: 1.4;
}

.tc-news-title a {
    color: var(--tc-gray-900);
}

.tc-news-title a:hover {
    color: var(--tc-primary);
}

.tc-news-desc {
    font-size: 0.85rem;
    color: var(--tc-gray-600);
    line-height: 1.6;
    margin-bottom: 1rem;
}

.tc-news-more {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    color: var(--tc-primary);
    font-weight: 600;
    font-size: 0.85rem;
}

.tc-news-more:hover {
    gap: 0.625rem;
}

.tc-news-more-wrap {
    text-align: center;
    margin-top: 3rem;
}

/* ============================================
   城市站点 - 50城市紧凑布局
   ============================================ */
.tc-cities {
    padding: var(--tc-section-padding) 0;
    position: relative;
    background: linear-gradient(135deg, var(--tc-primary) 0%, var(--tc-primary-dark) 100%);
    overflow: hidden;
}

.tc-cities-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.tc-cities-bg .tc-bg-gradient {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(255, 255, 255, 0.1) 0%, transparent 40%),
        radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.08) 0%, transparent 40%);
}

.tc-cities-grid {
    display: grid;
    grid-template-columns: repeat(10, 1fr);
    gap: 0.75rem;
    position: relative;
    z-index: 1;
}

.tc-city-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 0.5rem;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--tc-radius-md);
    transition: var(--tc-transition-normal);
    position: relative;
    overflow: hidden;
}

.tc-city-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255,255,255,0.2) 0%, transparent 100%);
    opacity: 0;
    transition: var(--tc-transition-normal);
}

.tc-city-item:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-3px);
    border-color: rgba(255, 255, 255, 0.3);
}

.tc-city-item:hover::before {
    opacity: 1;
}

.tc-city-name {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--tc-white);
}

.tc-city-en {
    font-size: 0.65rem;
    color: rgba(255, 255, 255, 0.6);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.tc-city-arrow {
    position: absolute;
    right: 0.25rem;
    bottom: 0.25rem;
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.4);
    opacity: 0;
    transform: translateX(-5px);
    transition: var(--tc-transition-normal);
}

.tc-city-item:hover .tc-city-arrow {
    opacity: 1;
    transform: translateX(0);
}

/* ============================================
   常见问题 - 手风琴FAQ
   ============================================ */
.tc-faq {
    padding: var(--tc-section-padding) 0;
    background: var(--tc-white);
}

.tc-faq-row {
    align-items: center;
}

.tc-faq-header {
    padding-right: 2rem;
}

.tc-faq-desc {
    color: var(--tc-gray-600);
    margin-bottom: 2rem;
}

.tc-faq-cta {
    margin-top: 2rem;
}

.tc-faq-accordion {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.tc-faq-item {
    background: var(--tc-gray-100);
    border-radius: var(--tc-radius-md);
    overflow: hidden;
    transition: var(--tc-transition-normal);
}

.tc-faq-item:hover {
    box-shadow: var(--tc-shadow-sm);
}

.tc-faq-question {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.25rem 1.5rem;
    margin: 0;
    font-size: 1rem;
    font-weight: 600;
    color: var(--tc-gray-900);
    cursor: pointer;
    transition: var(--tc-transition-normal);
}

.tc-faq-question:hover {
    color: var(--tc-primary);
}

.tc-faq-icon {
    width: 28px;
    height: 28px;
    background: var(--tc-primary);
    border-radius: var(--tc-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--tc-white);
    font-size: 0.875rem;
    transition: var(--tc-transition-normal);
    flex-shrink: 0;
}

.tc-faq-question.collapsed .tc-faq-icon {
    background: var(--tc-gray-400);
}

.tc-faq-question:not(.collapsed) .tc-faq-icon {
    transform: rotate(45deg);
}

.tc-faq-text {
    flex: 1;
}

.tc-faq-answer {
    background: var(--tc-white);
}

.tc-answer-inner {
    padding: 0 1.5rem 1.5rem 3.5rem;
}

.tc-answer-inner p {
    color: var(--tc-gray-600);
    line-height: 1.8;
    margin: 0;
}

/* ============================================
   CTA行动召唤区
   ============================================ */
.tc-cta {
    padding: var(--tc-section-padding) 0;
    position: relative;
    overflow: hidden;
}

.tc-cta-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.tc-bg-video-placeholder {
    position: relative;
    width: 100%;
    height: 100%;
}

.tc-cta-bg-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.tc-bg-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(229, 57, 53, 0.9) 0%, rgba(26, 26, 46, 0.95) 100%);
}

.tc-cta-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.tc-cta-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--tc-radius-full);
    color: var(--tc-white);
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.tc-cta-title {
    margin-bottom: 1.5rem;
}

.tc-cta-title .tc-title-line {
    display: block;
    font-size: 3rem;
    font-weight: 900;
    color: var(--tc-white);
    line-height: 1.2;
}

.tc-cta-desc {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.tc-cta-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 2rem;
}

.tc-cta-features {
    display: flex;
    gap: 2rem;
    justify-content: center;
    flex-wrap: wrap;
}

.tc-cta-feature {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.95rem;
}

.tc-cta-feature i {
    color: var(--tc-accent);
}

/* ============================================
   页脚
   ============================================ */
.tc-footer {
    position: relative;
    background: var(--tc-dark);
    color: var(--tc-white);
}

.tc-footer-wave {
    position: absolute;
    top: -79px;
    left: 0;
    width: 100%;
    overflow: hidden;
    line-height: 0;
}

.tc-footer-wave svg {
    display: block;
    width: 100%;
    height: 80px;
}

.tc-footer-main {
    padding: 4rem 0 3rem;
}

.tc-footer-row {
    --bs-gutter-x: 3rem;
}

.tc-footer-brand {
    margin-bottom: 1.5rem;
}

.tc-footer-logo {
    width: 60px;
    height: 60px;
    background: var(--tc-primary);
    border-radius: var(--tc-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    color: var(--tc-white);
    margin-bottom: 1rem;
}

.tc-footer-title {
    margin-bottom: 1rem;
}

.tc-footer-title .tc-title-cn {
    display: block;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--tc-white);
}

.tc-footer-title .tc-title-en {
    display: block;
    font-size: 0.7rem;
    color: rgba(255, 255, 255, 0.5);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.tc-footer-desc {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.tc-footer-stats {
    display: flex;
    gap: 1.5rem;
}

.tc-stat-item {
    text-align: center;
}

.tc-stat-num {
    display: block;
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--tc-primary);
    line-height: 1;
}

.tc-stat-label {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.6);
}

.tc-footer-heading {
    margin-bottom: 1.5rem;
}

.tc-footer-heading .tc-heading-cn {
    display: block;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--tc-white);
}

.tc-footer-heading .tc-heading-en {
    display: block;
    font-size: 0.65rem;
    color: rgba(255, 255, 255, 0.5);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.tc-footer-links,
.tc-footer-services,
.tc-cat-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.tc-footer-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    transition: var(--tc-transition-normal);
}

.tc-footer-link:hover {
    color: var(--tc-primary);
    padding-left: 0.5rem;
}

.tc-footer-link i {
    font-size: 0.75rem;
    color: var(--tc-primary);
}

.tc-footer-contact {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.tc-contact-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

.tc-contact-item i {
    color: var(--tc-primary);
    font-size: 1rem;
    margin-top: 0.125rem;
}

.tc-contact-item a:hover {
    color: var(--tc-primary);
}

.tc-footer-social {
    display: flex;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

.tc-social-btn {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--tc-radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--tc-white);
    font-size: 1.1rem;
    transition: var(--tc-transition-normal);
}

.tc-social-btn:hover {
    background: var(--tc-primary);
    transform: translateY(-3px);
}

/* 友情链接 */
.tc-footer-friends {
    padding: 1.5rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.tc-friends-inner {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.tc-friends-label {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    font-weight: 600;
    white-space: nowrap;
}

.tc-friends-list {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.tc-friend-link {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.85rem;
    transition: var(--tc-transition-normal);
}

.tc-friend-link:hover {
    color: var(--tc-primary);
}

/* 版权信息 */
.tc-footer-bottom {
    padding: 1.5rem 0;
}

.tc-bottom-inner {
    text-align: center;
}

.tc-copyright {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.85rem;
    margin-bottom: 0.5rem;
}

.tc-copyright a {
    color: rgba(255, 255, 255, 0.6);
    margin-left: 0.5rem;
}

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

.tc-disclaimer {
    color: rgba(255, 255, 255, 0.4);
    font-size: 0.75rem;
    margin: 0;
}

/* ============================================
   页面横幅
   ============================================ */
.tc-page-banner {
    position: relative;
    padding: 8rem 0 5rem;
    overflow: hidden;
}

.tc-page-banner.tc-banner-sm {
    padding: 6rem 0 4rem;
}

.tc-banner-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.tc-banner-content {
    position: relative;
    z-index: 1;
}

.tc-breadcrumb-wrap {
    margin-bottom: 1.5rem;
}

.tc-breadcrumb {
    background: none;
    padding: 0;
    margin: 0;
}

.tc-breadcrumb-item a {
    color: rgba(255, 255, 255, 0.8);
}

.tc-breadcrumb-item a:hover {
    color: var(--tc-white);
}

.tc-breadcrumb-item.active {
    color: var(--tc-white);
}

.tc-breadcrumb-item + .tc-breadcrumb-item::before {
    color: rgba(255, 255, 255, 0.5);
}

.tc-banner-title {
    margin-bottom: 1rem;
}

.tc-banner-title .tc-title-cn {
    display: block;
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--tc-white);
}

.tc-banner-title .tc-title-en {
    display: block;
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.7);
    text-transform: uppercase;
    letter-spacing: 0.15em;
}

.tc-banner-title.tc-title-article .tc-title-cn {
    font-size: 1.75rem;
    line-height: 1.4;
}

.tc-banner-desc {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.1rem;
    max-width: 600px;
}

.tc-article-meta {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.tc-article-meta .tc-meta-item {
    color: rgba(255, 255, 255, 0.8);
}

.tc-banner-wave {
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    line-height: 0;
}

.tc-banner-wave svg {
    display: block;
    width: 100%;
    height: 80px;
}

/* ============================================
   资讯列表页
   ============================================ */
.tc-news-section {
    padding: var(--tc-section-padding) 0;
}

.tc-section-filter {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.tc-filter-tabs {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.tc-filter-tab {
    padding: 0.625rem 1.25rem;
    background: var(--tc-white);
    border-radius: var(--tc-radius-full);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--tc-gray-700);
    transition: var(--tc-transition-normal);
}

.tc-filter-tab:hover,
.tc-filter-tab.active {
    background: var(--tc-primary);
    color: var(--tc-white);
}

.tc-filter-info {
    color: var(--tc-gray-600);
    font-size: 0.9rem;
}

.tc-filter-info strong {
    color: var(--tc-primary);
}

/* 文章列表 */
.tc-news-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.tc-news-item {
    display: flex;
    gap: 1.5rem;
    background: var(--tc-white);
    border-radius: var(--tc-radius-lg);
    overflow: hidden;
    box-shadow: var(--tc-shadow-sm);
    transition: var(--tc-transition-normal);
}

.tc-news-item:hover {
    box-shadow: var(--tc-shadow-md);
}

.tc-item-image {
    position: relative;
    width: 280px;
    flex-shrink: 0;
    overflow: hidden;
}

.tc-image-link {
    display: block;
    width: 100%;
    height: 100%;
}

.tc-news-img {
    width: 100%;
    height: 100%;
    min-height: 200px;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.tc-news-item:hover .tc-news-img {
    transform: scale(1.05);
}

.tc-image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, transparent 60%, rgba(0,0,0,0.3) 100%);
}

.tc-news-category {
    position: absolute;
    top: 1rem;
    left: 1rem;
    padding: 0.375rem 0.875rem;
    background: var(--tc-primary);
    color: var(--tc-white);
    border-radius: var(--tc-radius-full);
    font-size: 0.8rem;
    font-weight: 600;
}

.tc-item-content {
    flex: 1;
    padding: 1.5rem 1.5rem 1.5rem 0;
    display: flex;
    flex-direction: column;
}

.tc-content-meta {
    display: flex;
    gap: 1rem;
    margin-bottom: 0.75rem;
}

.tc-item-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    line-height: 1.4;
}

.tc-item-title a {
    color: var(--tc-gray-900);
}

.tc-item-title a:hover {
    color: var(--tc-primary);
}

.tc-item-desc {
    color: var(--tc-gray-600);
    font-size: 0.95rem;
    line-height: 1.7;
    flex: 1;
    margin-bottom: 1rem;
}

.tc-content-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 1rem;
    border-top: 1px solid var(--tc-gray-200);
}

.tc-item-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.tc-tag {
    padding: 0.25rem 0.625rem;
    background: var(--tc-gray-100);
    border-radius: var(--tc-radius-sm);
    font-size: 0.75rem;
    color: var(--tc-gray-600);
}

.tc-read-more {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    color: var(--tc-primary);
    font-weight: 600;
    font-size: 0.9rem;
}

.tc-read-more:hover {
    gap: 0.625rem;
}

/* 分页 */
.tc-pagination-wrap {
    margin-top: 3rem;
    display: flex;
    justify-content: center;
}

/* 侧边栏 */
.tc-news-sidebar {
    padding-left: 2rem;
}

.tc-sidebar-widget {
    background: var(--tc-white);
    border-radius: var(--tc-radius-lg);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--tc-shadow-sm);
}

.tc-widget-title {
    margin-bottom: 1.25rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--tc-gray-100);
}

.tc-widget-title .tc-title-cn {
    display: block;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--tc-gray-900);
}

.tc-widget-title .tc-title-en {
    display: block;
    font-size: 0.7rem;
    color: var(--tc-gray-500);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* 搜索框 */
.tc-search-form {
    position: relative;
}

.tc-input-group {
    display: flex;
}

.tc-form-control {
    flex: 1;
    padding: 0.75rem 1rem;
    border: 1px solid var(--tc-gray-300);
    border-radius: var(--tc-radius-md) 0 0 var(--tc-radius-md);
    font-size: 0.9rem;
    transition: var(--tc-transition-normal);
}

.tc-form-control:focus {
    outline: none;
    border-color: var(--tc-primary);
    box-shadow: 0 0 0 3px rgba(229, 57, 53, 0.1);
}

.tc-search-btn {
    padding: 0.75rem 1rem;
    background: var(--tc-primary);
    color: var(--tc-white);
    border: none;
    border-radius: 0 var(--tc-radius-md) var(--tc-radius-md) 0;
    cursor: pointer;
    transition: var(--tc-transition-normal);
}

.tc-search-btn:hover {
    background: var(--tc-primary-dark);
}

/* 热门文章 */
.tc-hot-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.tc-hot-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.875rem 0;
    border-bottom: 1px solid var(--tc-gray-100);
}

.tc-hot-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.tc-hot-num {
    width: 24px;
    height: 24px;
    background: var(--tc-gray-200);
    border-radius: var(--tc-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--tc-gray-600);
    flex-shrink: 0;
}

.tc-hot-item:nth-child(1) .tc-hot-num {
    background: var(--tc-primary);
    color: var(--tc-white);
}

.tc-hot-item:nth-child(2) .tc-hot-num {
    background: var(--tc-secondary);
    color: var(--tc-white);
}

.tc-hot-item:nth-child(3) .tc-hot-num {
    background: var(--tc-accent);
    color: var(--tc-dark);
}

.tc-hot-content {
    flex: 1;
}

.tc-hot-title {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--tc-gray-800);
    line-height: 1.4;
    margin-bottom: 0.25rem;
}

.tc-hot-title:hover {
    color: var(--tc-primary);
}

.tc-hot-meta {
    font-size: 0.75rem;
    color: var(--tc-gray-500);
}

/* 栏目分类 */
.tc-cat-item {
    border-bottom: 1px solid var(--tc-gray-100);
}

.tc-cat-item:last-child {
    border-bottom: none;
}

.tc-cat-link {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 0;
    color: var(--tc-gray-700);
    font-size: 0.9rem;
    transition: var(--tc-transition-normal);
}

.tc-cat-link:hover {
    color: var(--tc-primary);
    padding-left: 0.5rem;
}

.tc-cat-count {
    width: 28px;
    height: 28px;
    background: var(--tc-gray-100);
    border-radius: var(--tc-radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 600;
}

/* 标签云 */
.tc-tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tc-tag-item {
    padding: 0.375rem 0.875rem;
    background: var(--tc-gray-100);
    border-radius: var(--tc-radius-full);
    font-size: 0.8rem;
    color: var(--tc-gray-600);
    transition: var(--tc-transition-normal);
}

.tc-tag-item:hover {
    background: var(--tc-primary);
    color: var(--tc-white);
}

.tc-tag-item.tc-tag-lg {
    font-size: 0.9rem;
    padding: 0.5rem 1rem;
}

/* 快速联系 */
.tc-contact-card {
    text-align: center;
    padding: 1rem;
}

.tc-contact-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--tc-primary) 0%, var(--tc-primary-dark) 100%);
    border-radius: var(--tc-radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    font-size: 1.75rem;
    color: var(--tc-white);
}

.tc-contact-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--tc-gray-900);
    margin-bottom: 0.5rem;
}

.tc-contact-text {
    color: var(--tc-gray-600);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

/* 推荐阅读 */
.tc-related-news {
    padding: var(--tc-section-padding) 0;
    background: var(--tc-gray-100);
}

.tc-related-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.tc-related-card {
    background: var(--tc-white);
    border-radius: var(--tc-radius-lg);
    overflow: hidden;
    box-shadow: var(--tc-shadow-sm);
    transition: var(--tc-transition-normal);
}

.tc-related-card:hover {
    box-shadow: var(--tc-shadow-md);
    transform: translateY(-3px);
}

.tc-card-image {
    position: relative;
    height: 140px;
    overflow: hidden;
}

.tc-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.tc-card-content {
    padding: 1rem;
}

.tc-card-date {
    font-size: 0.75rem;
    color: var(--tc-gray-500);
    margin-bottom: 0.5rem;
    display: block;
}

.tc-card-title {
    font-size: 0.95rem;
    font-weight: 600;
    line-height: 1.4;
    margin: 0;
}

.tc-card-title a {
    color: var(--tc-gray-900);
}

.tc-card-title a:hover {
    color: var(--tc-primary);
}

/* ============================================
   文章详情页
   ============================================ */
.tc-article-section {
    padding: var(--tc-section-padding) 0;
}

.tc-article-row {
    --bs-gutter-x: 3rem;
}

.tc-article-main {
    background: var(--tc-white);
    border-radius: var(--tc-radius-lg);
    padding: 2rem;
    box-shadow: var(--tc-shadow-sm);
}

.tc-article-featured {
    margin: -2rem -2rem 2rem;
    border-radius: var(--tc-radius-lg) var(--tc-radius-lg) 0 0;
    overflow: hidden;
}

.tc-featured-img {
    width: 100%;
    height: 350px;
    object-fit: cover;
}

.tc-article-content {
    font-size: 1rem;
    line-height: 1.9;
    color: var(--tc-gray-700);
}

.tc-article-content h2,
.tc-article-content h3,
.tc-article-content h4 {
    color: var(--tc-gray-900);
    margin: 2rem 0 1rem;
    font-weight: 700;
}

.tc-article-content h2 {
    font-size: 1.75rem;
}

.tc-article-content h3 {
    font-size: 1.5rem;
}

.tc-article-content h4 {
    font-size: 1.25rem;
}

.tc-article-content p {
    margin-bottom: 1.25rem;
}

.tc-article-content img {
    max-width: 100%;
    height: auto;
    border-radius: var(--tc-radius-md);
    margin: 1.5rem 0;
}

.tc-article-content ul,
.tc-article-content ol {
    margin-bottom: 1.25rem;
    padding-left: 1.5rem;
}

.tc-article-content li {
    margin-bottom: 0.5rem;
}

.tc-article-content blockquote {
    border-left: 4px solid var(--tc-primary);
    padding: 1rem 1.5rem;
    margin: 1.5rem 0;
    background: var(--tc-gray-100);
    border-radius: 0 var(--tc-radius-md) var(--tc-radius-md) 0;
    font-style: italic;
}

.tc-article-tags {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem 0;
    margin-top: 2rem;
    border-top: 1px solid var(--tc-gray-200);
    flex-wrap: wrap;
}

.tc-tags-label {
    font-weight: 600;
    color: var(--tc-gray-700);
}

.tc-tags-list {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.tc-tag-link {
    padding: 0.375rem 0.875rem;
    background: var(--tc-gray-100);
    border-radius: var(--tc-radius-full);
    font-size: 0.85rem;
    color: var(--tc-gray-600);
    transition: var(--tc-transition-normal);
}

.tc-tag-link:hover {
    background: var(--tc-primary);
    color: var(--tc-white);
}

/* 分享按钮 */
.tc-article-share {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem 0;
    border-top: 1px solid var(--tc-gray-200);
    flex-wrap: wrap;
}

.tc-share-label {
    font-weight: 600;
    color: var(--tc-gray-700);
}

.tc-share-buttons {
    display: flex;
    gap: 0.75rem;
}

.tc-share-btn {
    width: 40px;
    height: 40px;
    border-radius: var(--tc-radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--tc-white);
    font-size: 1.1rem;
    transition: var(--tc-transition-normal);
}

.tc-share-wechat {
    background: #07C160;
}

.tc-share-weibo {
    background: #E6162D;
}

.tc-share-qq {
    background: #12B7F5;
}

.tc-share-copy {
    background: var(--tc-gray-600);
    border: none;
    cursor: pointer;
}

.tc-share-btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--tc-shadow-md);
}

/* 上一篇/下一篇 */
.tc-article-nav {
    padding: 1.5rem 0;
    border-top: 1px solid var(--tc-gray-200);
}

.tc-nav-prev,
.tc-nav-next {
    padding: 0 1rem;
}

.tc-nav-next {
    text-align: right;
}

.tc-nav-link {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.tc-nav-label {
    font-size: 0.85rem;
    color: var(--tc-gray-500);
}

.tc-nav-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--tc-gray-800);
    line-height: 1.4;
}

.tc-nav-link:hover .tc-nav-title {
    color: var(--tc-primary);
}

/* 相关文章 */
.tc-related-articles {
    padding: 2rem 0 0;
    border-top: 1px solid var(--tc-gray-200);
    margin-top: 2rem;
}

.tc-related-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--tc-gray-900);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.tc-related-title i {
    color: var(--tc-primary);
}

.tc-related-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.tc-related-item {
    display: flex;
    gap: 1rem;
    padding: 1rem;
    background: var(--tc-gray-100);
    border-radius: var(--tc-radius-md);
    transition: var(--tc-transition-normal);
}

.tc-related-item:hover {
    background: var(--tc-white);
    box-shadow: var(--tc-shadow-sm);
}

.tc-related-image {
    width: 80px;
    height: 60px;
    border-radius: var(--tc-radius-sm);
    overflow: hidden;
    flex-shrink: 0;
}

.tc-related-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.tc-related-content {
    flex: 1;
}

.tc-related-item-title {
    font-size: 0.9rem;
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: 0.25rem;
}

.tc-related-item-title a {
    color: var(--tc-gray-800);
}

.tc-related-item-title a:hover {
    color: var(--tc-primary);
}

.tc-related-date {
    font-size: 0.75rem;
    color: var(--tc-gray-500);
}

/* 评论表单 */
.tc-article-comments {
    padding: 2rem 0 0;
    border-top: 1px solid var(--tc-gray-200);
    margin-top: 2rem;
}

.tc-comments-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--tc-gray-900);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.tc-comments-title i {
    color: var(--tc-primary);
}

.tc-comment-form .tc-form-group {
    margin-bottom: 1rem;
}

.tc-form-label {
    display: block;
    font-weight: 600;
    color: var(--tc-gray-700);
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.tc-form-label i {
    color: var(--tc-primary);
    margin-right: 0.25rem;
}

.tc-required {
    color: var(--tc-primary);
}

.tc-textarea {
    resize: vertical;
    min-height: 120px;
}

/* 作者信息 */
.tc-widget-author {
    text-align: center;
}

.tc-author-avatar {
    width: 80px;
    height: 80px;
    background: var(--tc-gray-100);
    border-radius: var(--tc-radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    font-size: 3rem;
    color: var(--tc-gray-400);
}

.tc-author-name {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--tc-gray-900);
    margin-bottom: 0.5rem;
}

.tc-author-desc {
    font-size: 0.9rem;
    color: var(--tc-gray-600);
    margin-bottom: 1rem;
}

/* 文章侧边栏 */
.tc-article-sidebar {
    padding-left: 0;
}

/* ============================================
   关于我们页
   ============================================ */
.tc-about-intro {
    padding: var(--tc-section-padding) 0;
    background: var(--tc-white);
}

.tc-intro-row {
    align-items: center;
}

.tc-about-stats {
    padding: var(--tc-section-padding) 0;
    position: relative;
    background: linear-gradient(135deg, var(--tc-primary) 0%, var(--tc-primary-dark) 100%);
}

.tc-stats-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.tc-stats-bg .tc-bg-pattern {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(255, 255, 255, 0.1) 0%, transparent 40%),
        radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.08) 0%, transparent 40%);
}

.tc-about-stats .tc-stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    position: relative;
    z-index: 1;
}

.tc-about-stats .tc-stat-item {
    text-align: center;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: var(--tc-radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.tc-about-stats .tc-stat-icon {
    background: var(--tc-white);
    color: var(--tc-primary);
}

.tc-about-stats .tc-stat-number {
    color: var(--tc-white);
}

.tc-about-stats .tc-stat-label {
    color: rgba(255, 255, 255, 0.8);
}

/* 企业文化 */
.tc-about-culture {
    padding: var(--tc-section-padding) 0;
    background: var(--tc-gray-100);
}

.tc-culture-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.tc-culture-card {
    background: var(--tc-white);
    border-radius: var(--tc-radius-lg);
    padding: 2rem;
    text-align: center;
    box-shadow: var(--tc-shadow-sm);
    transition: var(--tc-transition-normal);
}

.tc-culture-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--tc-shadow-md);
}

.tc-culture-card .tc-card-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--tc-primary) 0%, var(--tc-primary-dark) 100%);
    border-radius: var(--tc-radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.25rem;
    font-size: 1.75rem;
    color: var(--tc-white);
}

.tc-culture-card .tc-card-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--tc-gray-900);
    margin-bottom: 0.75rem;
}

.tc-culture-card .tc-card-desc {
    font-size: 0.9rem;
    color: var(--tc-gray-600);
    line-height: 1.7;
    margin: 0;
}

/* 发展历程 */
.tc-about-history {
    padding: var(--tc-section-padding) 0;
    background: var(--tc-white);
}

.tc-history-timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.tc-history-timeline .tc-timeline-line {
    position: absolute;
    left: 50%;
    top: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, var(--tc-primary) 0%, var(--tc-primary-light) 100%);
    transform: translateX(-50%);
}

.tc-history-timeline .tc-timeline-item {
    position: relative;
    width: 50%;
    padding: 1.5rem 2rem;
    margin-bottom: 2rem;
}

.tc-history-timeline .tc-timeline-item.tc-item-left {
    padding-right: 3rem;
    text-align: right;
}

.tc-history-timeline .tc-timeline-item.tc-item-right {
    margin-left: 50%;
    padding-left: 3rem;
}

.tc-history-timeline .tc-timeline-content {
    background: var(--tc-gray-100);
    border-radius: var(--tc-radius-lg);
    padding: 1.5rem;
    position: relative;
}

.tc-history-timeline .tc-timeline-content::before {
    content: '';
    position: absolute;
    top: 50%;
    width: 0;
    height: 0;
    border: 10px solid transparent;
}

.tc-item-left .tc-timeline-content::before {
    right: -20px;
    border-left-color: var(--tc-gray-100);
    transform: translateY(-50%);
}

.tc-item-right .tc-timeline-content::before {
    left: -20px;
    border-right-color: var(--tc-gray-100);
    transform: translateY(-50%);
}

.tc-history-timeline .tc-timeline-year {
    display: inline-block;
    padding: 0.375rem 1rem;
    background: var(--tc-primary);
    color: var(--tc-white);
    border-radius: var(--tc-radius-full);
    font-size: 0.9rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.tc-history-timeline .tc-timeline-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--tc-gray-900);
    margin-bottom: 0.5rem;
}

.tc-history-timeline .tc-timeline-desc {
    font-size: 0.9rem;
    color: var(--tc-gray-600);
    margin: 0;
}

/* 团队介绍 */
.tc-about-team {
    padding: var(--tc-section-padding) 0;
    background: var(--tc-gray-100);
}

.tc-team-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.tc-team-card {
    background: var(--tc-white);
    border-radius: var(--tc-radius-lg);
    overflow: hidden;
    box-shadow: var(--tc-shadow-sm);
    transition: var(--tc-transition-normal);
}

.tc-team-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--tc-shadow-md);
}

.tc-team-card .tc-card-image {
    position: relative;
    height: 220px;
    overflow: hidden;
}

.tc-team-card .tc-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.tc-team-card:hover .tc-card-image img {
    transform: scale(1.05);
}

.tc-team-card .tc-image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, transparent 60%, rgba(0,0,0,0.5) 100%);
}

.tc-team-card .tc-card-content {
    padding: 1.25rem;
    text-align: center;
}

.tc-member-name {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--tc-gray-900);
    margin-bottom: 0.25rem;
}

.tc-member-role {
    display: block;
    font-size: 0.85rem;
    color: var(--tc-primary);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.tc-member-desc {
    font-size: 0.85rem;
    color: var(--tc-gray-600);
    margin: 0;
}

/* CTA */
.tc-about-cta {
    padding: var(--tc-section-padding) 0;
    position: relative;
    background: linear-gradient(135deg, var(--tc-primary) 0%, var(--tc-primary-dark) 100%);
}

.tc-about-cta .tc-cta-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.tc-about-cta .tc-bg-gradient {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(255, 255, 255, 0.1) 0%, transparent 40%),
        radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.08) 0%, transparent 40%);
}

.tc-about-cta .tc-cta-content {
    position: relative;
    z-index: 1;
    text-align: center;
}

.tc-about-cta .tc-cta-title .tc-title-cn {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--tc-white);
    margin-bottom: 0.5rem;
}

.tc-about-cta .tc-cta-title .tc-title-en {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.7);
    text-transform: uppercase;
    letter-spacing: 0.15em;
}

.tc-about-cta .tc-cta-desc {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2rem;
}

.tc-about-cta .tc-cta-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

/* ============================================
   联系我们页
   ============================================ */
.tc-contact-info {
    padding: var(--tc-section-padding) 0;
    background: var(--tc-white);
}

.tc-info-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.tc-info-card {
    background: var(--tc-gray-100);
    border-radius: var(--tc-radius-lg);
    padding: 2rem;
    text-align: center;
    transition: var(--tc-transition-normal);
}

.tc-info-card:hover {
    background: var(--tc-white);
    box-shadow: var(--tc-shadow-md);
    transform: translateY(-5px);
}

.tc-info-card .tc-card-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--tc-primary) 0%, var(--tc-primary-dark) 100%);
    border-radius: var(--tc-radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.25rem;
    font-size: 1.75rem;
    color: var(--tc-white);
}

.tc-info-card .tc-card-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--tc-gray-900);
    margin-bottom: 0.5rem;
}

.tc-info-card .tc-card-desc {
    font-size: 0.85rem;
    color: var(--tc-gray-600);
    margin-bottom: 1rem;
}

.tc-info-card .tc-card-link,
.tc-info-card .tc-card-text {
    font-size: 1rem;
    font-weight: 600;
    color: var(--tc-primary);
}

.tc-info-card .tc-card-link:hover {
    text-decoration: underline;
}

/* 联系主体 */
.tc-contact-main {
    padding: var(--tc-section-padding) 0;
    background: var(--tc-gray-100);
}

.tc-contact-row {
    --bs-gutter-x: 3rem;
}

.tc-contact-form-wrap {
    background: var(--tc-white);
    border-radius: var(--tc-radius-lg);
    padding: 2rem;
    box-shadow: var(--tc-shadow-sm);
}

.tc-form-header {
    margin-bottom: 2rem;
}

.tc-form-desc {
    color: var(--tc-gray-600);
    margin-top: 0.75rem;
}

.tc-form-notice {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem;
    background: rgba(229, 57, 53, 0.05);
    border-radius: var(--tc-radius-md);
    margin-bottom: 1.5rem;
    font-size: 0.85rem;
    color: var(--tc-gray-600);
}

.tc-form-notice i {
    color: var(--tc-primary);
}

/* 表单成功提示 */
.tc-form-success {
    text-align: center;
    padding: 3rem 2rem;
}

.tc-success-icon {
    width: 80px;
    height: 80px;
    background: #28a745;
    border-radius: var(--tc-radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2.5rem;
    color: var(--tc-white);
}

.tc-success-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--tc-gray-900);
    margin-bottom: 0.75rem;
}

.tc-success-desc {
    color: var(--tc-gray-600);
    margin-bottom: 1.5rem;
}

/* 联系详情 */
.tc-contact-detail {
    background: var(--tc-white);
    border-radius: var(--tc-radius-lg);
    padding: 2rem;
    box-shadow: var(--tc-shadow-sm);
}

.tc-detail-header {
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--tc-gray-100);
}

.tc-detail-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--tc-gray-900);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin: 0;
}

.tc-detail-title i {
    color: var(--tc-primary);
}

.tc-detail-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
}

.tc-detail-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.tc-item-icon {
    width: 45px;
    height: 45px;
    background: var(--tc-gray-100);
    border-radius: var(--tc-radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--tc-primary);
    font-size: 1.1rem;
    flex-shrink: 0;
}

.tc-item-content {
    flex: 1;
    padding-top: 0.25rem;
}

.tc-item-label {
    display: block;
    font-size: 0.8rem;
    color: var(--tc-gray-500);
    margin-bottom: 0.25rem;
}

.tc-item-value {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--tc-gray-800);
}

.tc-item-link:hover {
    color: var(--tc-primary);
}

/* 微信二维码 */
.tc-wechat-qr {
    text-align: center;
    padding-top: 1.5rem;
    border-top: 1px solid var(--tc-gray-200);
}

.tc-qr-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--tc-gray-700);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.tc-qr-title i {
    color: var(--tc-primary);
}

.tc-qr-image {
    width: 150px;
    height: 150px;
    margin: 0 auto 1rem;
    background: var(--tc-gray-100);
    border-radius: var(--tc-radius-md);
    overflow: hidden;
}

.tc-qr-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.tc-qr-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--tc-gray-400);
    font-size: 3rem;
}

.tc-qr-placeholder span {
    font-size: 0.8rem;
    margin-top: 0.5rem;
}

.tc-qr-desc {
    font-size: 0.85rem;
    color: var(--tc-gray-600);
    margin: 0;
}

/* 服务承诺 */
.tc-contact-promise {
    padding: var(--tc-section-padding) 0;
    position: relative;
    background: linear-gradient(135deg, var(--tc-primary) 0%, var(--tc-primary-dark) 100%);
}

.tc-promise-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.tc-promise-bg .tc-bg-pattern {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(255, 255, 255, 0.1) 0%, transparent 40%),
        radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.08) 0%, transparent 40%);
}

.tc-promise-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    position: relative;
    z-index: 1;
}

.tc-promise-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--tc-radius-lg);
    padding: 2rem;
    text-align: center;
    transition: var(--tc-transition-normal);
}

.tc-promise-card:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-5px);
}

.tc-promise-card .tc-card-icon {
    width: 70px;
    height: 70px;
    background: var(--tc-white);
    border-radius: var(--tc-radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.25rem;
    font-size: 1.75rem;
    color: var(--tc-primary);
}

.tc-promise-card .tc-card-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--tc-white);
    margin-bottom: 0.75rem;
}

.tc-promise-card .tc-card-desc {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.7;
    margin: 0;
}

/* 联系我们FAQ */
.tc-contact-faq {
    padding: var(--tc-section-padding) 0;
    background: var(--tc-white);
}

.tc-contact-faq .tc-faq-row {
    align-items: flex-start;
}

/* 联系我们CTA */
.tc-contact-cta {
    padding: var(--tc-section-padding) 0;
    position: relative;
    background: linear-gradient(135deg, var(--tc-dark) 0%, var(--tc-gray-900) 100%);
}

.tc-contact-cta .tc-cta-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.tc-contact-cta .tc-bg-gradient {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(229, 57, 53, 0.2) 0%, transparent 40%),
        radial-gradient(circle at 80% 20%, rgba(229, 57, 53, 0.1) 0%, transparent 40%);
}

.tc-contact-cta .tc-cta-content {
    position: relative;
    z-index: 1;
    text-align: center;
}

.tc-contact-cta .tc-cta-title .tc-title-cn {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--tc-white);
    margin-bottom: 0.5rem;
}

.tc-contact-cta .tc-cta-title .tc-title-en {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.7);
    text-transform: uppercase;
    letter-spacing: 0.15em;
}

.tc-contact-cta .tc-cta-desc {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 2rem;
}

.tc-cta-phone {
    margin-bottom: 1.5rem;
}

.tc-phone-link {
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    /*padding: 1.25rem 3rem;*/
    background: linear-gradient(135deg, var(--tc-primary) 0%, var(--tc-primary-dark) 100%);
    color: var(--tc-white);
    border-radius: var(--tc-radius-full);
    font-size: 1.5rem;
    font-weight: 900;
    box-shadow: var(--tc-shadow-primary);
    transition: var(--tc-transition-normal);
}

.tc-phone-link:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 30px rgba(229, 57, 53, 0.5);
    color: var(--tc-white);
}

.tc-phone-link i {
    font-size: 1.5rem;
}

.tc-cta-note {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
}

/* ============================================
   动画效果 - 滚动渐进
   ============================================ */
[data-animate] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-animate].animated {
    opacity: 1;
    transform: translateY(0);
}

[data-animate="fadeInLeft"] {
    transform: translateX(-50px);
}

[data-animate="fadeInLeft"].animated {
    transform: translateX(0);
}

[data-animate="fadeInRight"] {
    transform: translateX(50px);
}

[data-animate="fadeInRight"].animated {
    transform: translateX(0);
}

[data-animate="zoomIn"] {
    transform: scale(0.8);
}

[data-animate="zoomIn"].animated {
    transform: scale(1);
}

[data-animate="flipInX"] {
    transform: perspective(400px) rotateX(90deg);
    opacity: 0;
}

[data-animate="flipInX"].animated {
    transform: perspective(400px) rotateX(0);
    opacity: 1;
}

/* 延迟动画 */
[data-delay="100"] { transition-delay: 0.1s; }
[data-delay="200"] { transition-delay: 0.2s; }
[data-delay="300"] { transition-delay: 0.3s; }
[data-delay="400"] { transition-delay: 0.4s; }
[data-delay="500"] { transition-delay: 0.5s; }

/* 旋转动画 */
.tc-spin {
    animation: tcSpin 1s linear infinite;
}

@keyframes tcSpin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* ============================================
   响应式设计
   ============================================ */
@media (max-width: 1399.98px) {
    .tc-cities-grid {
        grid-template-columns: repeat(8, 1fr);
    }
}

@media (max-width: 1199.98px) {
    .tc-sidebar {
        transform: translateX(-100%);
    }
    
    .tc-sidebar.active {
        transform: translateX(0);
    }
    
    .tc-main-content {
        margin-left: 0;
    }
    
    .tc-title-line {
        font-size: 3rem;
    }
    
    .tc-stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .tc-services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .tc-news-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .tc-cities-grid {
        grid-template-columns: repeat(6, 1fr);
    }
    
    .tc-cases-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .tc-related-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .tc-culture-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .tc-team-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .tc-info-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .tc-promise-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .tc-about-stats .tc-stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .tc-news-sidebar,
    .tc-article-sidebar {
        padding-left: 0;
        margin-top: 2rem;
    }
    
    .tc-process-timeline {
        flex-direction: column;
        gap: 2rem;
    }
    
    .tc-timeline-line {
        display: none;
    }
    
    .tc-timeline-item {
        width: 100%;
    }
    
    .tc-history-timeline .tc-timeline-line {
        left: 20px;
    }
    
    .tc-history-timeline .tc-timeline-item,
    .tc-history-timeline .tc-timeline-item.tc-item-left,
    .tc-history-timeline .tc-timeline-item.tc-item-right {
        width: 100%;
        margin-left: 0;
        padding-left: 60px;
        padding-right: 0;
        text-align: left;
    }
    
    .tc-item-left .tc-timeline-content::before,
    .tc-item-right .tc-timeline-content::before {
        left: -20px;
        right: auto;
        border-right-color: var(--tc-gray-100);
        border-left-color: transparent;
    }
}

@media (max-width: 991.98px) {
    :root {
        --tc-section-padding: 5vh;
    }
    
    .tc-title-line {
        font-size: 2.5rem;
    }
    
    .tc-news-item {
        flex-direction: column;
    }
    
    .tc-item-image {
        width: 100%;
        height: 200px;
    }
    
    .tc-item-content {
        padding: 1.5rem;
    }
    
    .tc-related-list {
        grid-template-columns: 1fr;
    }
    
    .tc-intro-content {
        padding-right: 0;
        margin-bottom: 2rem;
    }
}

@media (max-width: 767.98px) {
    .tc-title-line {
        font-size: 2rem;
    }
    
    .tc-slide-desc {
        font-size: 1rem;
    }
    
    .tc-slide-actions {
        flex-direction: column;
    }
    
    .tc-slide-actions .tc-btn {
        width: 100%;
    }
    
    /*.tc-stats-grid {*/
    /*    grid-template-columns: 1fr;*/
    /*}*/
    
    /*.tc-services-grid {*/
    /*    grid-template-columns: 1fr;*/
    /*}*/
    
    /*.tc-news-grid {*/
    /*    grid-template-columns: 1fr;*/
    /*}*/
    
    .tc-cities-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    /*.tc-cases-grid {*/
    /*    grid-template-columns: 1fr;*/
    /*}*/
    
    /*.tc-related-grid {*/
    /*    grid-template-columns: 1fr;*/
    /*}*/
    
    /*.tc-culture-grid {*/
    /*    grid-template-columns: 1fr;*/
    /*}*/
    
    /*.tc-team-grid {*/
    /*    grid-template-columns: 1fr;*/
    /*}*/
    
    /*.tc-info-grid {*/
    /*    grid-template-columns: 1fr;*/
    /*}*/
    
    /*.tc-promise-grid {*/
    /*    grid-template-columns: 1fr;*/
    /*}*/
    
    .tc-about-stats .tc-stats-grid {
        grid-template-columns: 1fr;
    }
    
    .tc-cta-title .tc-title-line {
        font-size: 1.75rem;
    }
    
    .tc-cta-actions {
        flex-direction: column;
    }
    
    .tc-cta-actions .tc-btn {
        width: 100%;
    }
    
    .tc-phone-link {
        font-size: 1.5rem;
        padding: 1rem 2rem;
    }
    
    .tc-section-title .tc-title-cn {
        font-size: 1.75rem;
    }
    
    .tc-banner-title .tc-title-cn {
        font-size: 1.75rem;
    }
    
    .tc-filter-tabs {
        width: 100%;
    }
    
    .tc-section-filter {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .tc-float-contact {
        right: 10px;
        bottom: 80px;
    }
    
    .tc-float-btn {
        width: 45px;
        height: 45px;
        font-size: 1rem;
    }
    
    .tc-float-text {
        display: none;
    }
}

@media (max-width: 575.98px) {
    .tc-title-line {
        font-size: 1.75rem;
    }
    
    .tc-cities-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .tc-city-item {
        padding: 0.625rem 0.375rem;
    }
    
    .tc-city-name {
        font-size: 0.85rem;
    }
    
    .tc-city-en {
        display: none;
    }
    
    .tc-article-meta {
        gap: 0.75rem;
    }
    
    .tc-article-meta .tc-meta-item {
        font-size: 0.8rem;
    }
}

/* ============================================
   打印样式
   ============================================ */
@media print {
    .tc-sidebar,
    .tc-mobile-header,
    .tc-float-contact,
    .tc-footer-wave,
    .tc-scroll-hint {
        display: none !important;
    }
    
    .tc-main-content {
        margin-left: 0;
    }
    
    .tc-hero {
        min-height: auto;
        padding: 2rem 0;
    }
    
    .tc-slide-bg,
    .tc-hero-bg {
        display: none;
    }
    
    .tc-slide-content {
        position: relative;
        padding: 2rem;
    }
    
    .tc-slide-title,
    .tc-slide-desc {
        color: var(--tc-gray-900) !important;
    }
}