/* ===================================
   医保套现服务网站 - 活力橙主题样式
   主色：#FF5722 (活力橙)
   =================================== */

/* 基础变量 */
:root {
    --ybk-primary: #FF5722;
    --ybk-primary-dark: #E64A19;
    --ybk-primary-light: #FF8A65;
    --ybk-secondary: #FF9800;
    --ybk-accent: #FFC107;
    --ybk-dark: #212121;
    --ybk-gray: #757575;
    --ybk-light: #F5F5F5;
    --ybk-white: #FFFFFF;
    --ybk-gradient: linear-gradient(135deg, #FF5722 0%, #FF9800 100%);
    --ybk-shadow: 0 4px 20px rgba(255, 87, 34, 0.15);
    --ybk-shadow-lg: 0 10px 40px rgba(255, 87, 34, 0.2);
    --ybk-radius: 12px;
    --ybk-radius-sm: 8px;
    --ybk-transition: all 0.3s ease;
}

/* 重置与基础 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    color: var(--ybk-dark);
    line-height: 1.6;
    background-color: var(--ybk-white);
    overflow-x: hidden;
}

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

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

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

/* ===================================
   顶部栏
   =================================== */
.ybk-top-bar {
    background: var(--ybk-dark);
    color: var(--ybk-white);
    padding: 10px 0;
    font-size: 14px;
}

.ybk-top-item {
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.ybk-top-item i {
    color: var(--ybk-primary);
}

.ybk-top-item a {
    color: var(--ybk-white);
}

.ybk-top-item a:hover {
    color: var(--ybk-primary-light);
}

/* ===================================
   导航栏
   =================================== */
.ybk-navbar {
    background: var(--ybk-white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    padding: 15px 0;
}

.ybk-brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.ybk-logo {
    height: 50px;
    width: auto;
}

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

.ybk-brand-name {
    font-size: 20px;
    font-weight: 700;
    color: var(--ybk-primary);
    line-height: 1.2;
}

.ybk-brand-slogan {
    font-size: 12px;
    color: var(--ybk-gray);
}

.ybk-nav .nav-link {
    color: var(--ybk-dark);
    font-weight: 500;
    padding: 10px 18px !important;
    border-radius: var(--ybk-radius-sm);
    margin: 0 2px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.ybk-nav .nav-link:hover,
.ybk-nav .nav-link.active {
    color: var(--ybk-primary);
    background: rgba(255, 87, 34, 0.1);
}

.ybk-btn-primary {
    background: var(--ybk-gradient);
    color: var(--ybk-white);
    border: none;
    padding: 10px 24px;
    border-radius: var(--ybk-radius-sm);
    font-weight: 600;
    transition: var(--ybk-transition);
    box-shadow: var(--ybk-shadow);
}

.ybk-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--ybk-shadow-lg);
    color: var(--ybk-white);
}

.ybk-btn-outline {
    background: transparent;
    color: var(--ybk-primary);
    border: 2px solid var(--ybk-primary);
    padding: 10px 24px;
    border-radius: var(--ybk-radius-sm);
    font-weight: 600;
    transition: var(--ybk-transition);
}

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

/* 移动端快速联系栏 */
.ybk-mobile-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--ybk-white);
    box-shadow: 0 -2px 10px rgba(0,0,0,0.1);
    display: flex;
    justify-content: space-around;
    padding: 10px;
    z-index: 1030;
    border-top: 2px solid var(--ybk-primary);
}

.ybk-mobile-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    color: var(--ybk-gray);
    font-size: 12px;
    gap: 4px;
}

.ybk-mobile-item i {
    font-size: 20px;
}

.ybk-mobile-highlight {
    color: var(--ybk-primary);
}

/* ===================================
   通用区块样式
   =================================== */
.ybk-section {
    padding: 80px 0;
    position: relative;
}

.ybk-bg-light {
    background: #FAFAFA;
}

.ybk-bg-gradient {
    background: linear-gradient(135deg, #FFF3E0 0%, #FFE0B2 100%);
}

.ybk-section-header {
    margin-bottom: 50px;
}

.ybk-section-badge {
    display: inline-block;
    background: rgba(255, 87, 34, 0.1);
    color: var(--ybk-primary);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 15px;
}

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

.ybk-section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--ybk-gradient);
    border-radius: 2px;
}

.ybk-section-subtitle {
    color: var(--ybk-gray);
    font-size: 16px;
    margin-top: 20px;
}

/* ===================================
   首页轮播图
   =================================== */
.ybk-hero-section {
    position: relative;
    padding: 0;
}

.ybk-hero-slide {
    height: 600px;
    background-size: cover;
    background-position: center;
    position: relative;
    display: flex;
    align-items: center;
}

.ybk-hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(33, 33, 33, 0.85) 0%, rgba(255, 87, 34, 0.4) 100%);
}

.ybk-hero-content {
    position: relative;
    z-index: 2;
    color: var(--ybk-white);
}

.ybk-hero-badge {
    margin-bottom: 20px;
}

.ybk-hero-badge .badge {
    font-size: 14px;
    padding: 8px 16px;
    margin: 0 5px;
}

.ybk-hero-title {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.ybk-hero-subtitle {
    font-size: 24px;
    margin-bottom: 30px;
    opacity: 0.95;
}

.ybk-hero-features {
    margin-bottom: 30px;
}

.ybk-hero-feature {
    display: inline-block;
    margin: 0 15px;
    font-size: 18px;
}

.ybk-hero-feature i {
    color: var(--ybk-accent);
    margin-right: 8px;
}

.ybk-hero-actions {
    margin-bottom: 40px;
}

.ybk-hero-actions .btn {
    margin: 0 10px;
    padding: 14px 32px;
    font-size: 16px;
}

.ybk-btn-lg {
    padding: 14px 32px !important;
    font-size: 16px;
}

.ybk-hero-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
}

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

.ybk-stat-num {
    display: block;
    font-size: 36px;
    font-weight: 800;
    color: var(--ybk-accent);
}

.ybk-stat-label {
    font-size: 14px;
    opacity: 0.9;
}

.ybk-carousel-btn {
    width: 50px;
    height: 50px;
    background: rgba(255,255,255,0.2);
    border-radius: 50%;
    top: 50%;
    transform: translateY(-50%);
}

/* 浮动联系条 */
.ybk-float-bar {
    background: var(--ybk-primary);
    color: var(--ybk-white);
    padding: 15px 0;
    position: relative;
    z-index: 10;
}

.ybk-float-text {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 16px;
}

.ybk-float-text i {
    font-size: 24px;
    animation: pulse 2s infinite;
}

.ybk-btn-white {
    background: var(--ybk-white);
    color: var(--ybk-primary);
    border: none;
    font-weight: 600;
}

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

/* ===================================
   优势区块
   =================================== */
.ybk-advantage-card {
    background: var(--ybk-white);
    padding: 40px 30px;
    border-radius: var(--ybk-radius);
    text-align: center;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    position: relative;
    overflow: hidden;
    transition: var(--ybk-transition);
    height: 100%;
}

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

.ybk-advantage-icon {
    width: 80px;
    height: 80px;
    background: var(--ybk-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 36px;
    color: var(--ybk-white);
    position: relative;
}

.ybk-advantage-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--ybk-dark);
}

.ybk-advantage-desc {
    color: var(--ybk-gray);
    font-size: 14px;
    line-height: 1.8;
}

.ybk-advantage-num {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 72px;
    font-weight: 800;
    color: rgba(255, 87, 34, 0.05);
    line-height: 1;
}

/* 统计数据条 */
.ybk-stats-bar {
    background: var(--ybk-white);
    border-radius: var(--ybk-radius);
    padding: 40px;
    margin-top: 50px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
}

.ybk-stat-box {
    text-align: center;
    padding: 20px;
    border-right: 1px solid #eee;
}

.ybk-stat-box:last-child {
    border-right: none;
}

.ybk-stat-icon {
    font-size: 36px;
    color: var(--ybk-primary);
    margin-bottom: 15px;
}

.ybk-stat-number {
    font-size: 36px;
    font-weight: 800;
    color: var(--ybk-primary);
    display: block;
}

/* ===================================
   流程区块
   =================================== */
.ybk-process-timeline {
    position: relative;
}

.ybk-process-item {
    text-align: center;
    padding: 30px;
    position: relative;
}

.ybk-process-icon {
    width: 100px;
    height: 100px;
    background: var(--ybk-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 40px;
    color: var(--ybk-primary);
    box-shadow: var(--ybk-shadow);
    position: relative;
}

.ybk-process-step {
    position: absolute;
    top: 0;
    right: 0;
    width: 30px;
    height: 30px;
    background: var(--ybk-primary);
    color: var(--ybk-white);
    border-radius: 50%;
    font-size: 14px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
}

.ybk-process-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 10px;
}

.ybk-process-desc {
    color: var(--ybk-gray);
    font-size: 14px;
}

.ybk-process-arrow {
    position: absolute;
    right: -20px;
    top: 60px;
    font-size: 24px;
    color: var(--ybk-primary);
}

.ybk-process-guarantee {
    background: var(--ybk-white);
    border-radius: var(--ybk-radius);
    padding: 30px;
    margin-top: 50px;
    display: flex;
    justify-content: space-around;
}

.ybk-guarantee-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 16px;
    font-weight: 600;
}

.ybk-guarantee-item i {
    font-size: 24px;
    color: var(--ybk-primary);
}

/* ===================================
   服务区块
   =================================== */
.ybk-service-card {
    background: var(--ybk-white);
    border-radius: var(--ybk-radius);
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    transition: var(--ybk-transition);
    height: 100%;
}

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

.ybk-service-img {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.ybk-service-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--ybk-transition);
}

.ybk-service-card:hover .ybk-service-img img {
    transform: scale(1.1);
}

.ybk-service-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 87, 34, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--ybk-transition);
}

.ybk-service-overlay i {
    font-size: 40px;
    color: var(--ybk-white);
}

.ybk-service-card:hover .ybk-service-overlay {
    opacity: 1;
}

.ybk-service-content {
    padding: 30px;
    position: relative;
}

.ybk-service-icon {
    width: 60px;
    height: 60px;
    background: var(--ybk-gradient);
    border-radius: var(--ybk-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: var(--ybk-white);
    position: absolute;
    top: -30px;
    right: 30px;
    box-shadow: var(--ybk-shadow);
}

.ybk-service-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 15px;
    padding-right: 70px;
}

.ybk-service-desc {
    color: var(--ybk-gray);
    font-size: 14px;
    margin-bottom: 20px;
    line-height: 1.8;
}

.ybk-service-list {
    list-style: none;
    padding: 0;
    margin-bottom: 20px;
}

.ybk-service-list li {
    padding: 5px 0;
    color: var(--ybk-gray);
    font-size: 14px;
}

.ybk-service-list li i {
    color: var(--ybk-primary);
    margin-right: 8px;
}

.ybk-service-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--ybk-primary);
    font-weight: 600;
    font-size: 14px;
}

.ybk-service-btn:hover {
    gap: 12px;
}

/* ===================================
   关于区块
   =================================== */
.ybk-about-images {
    position: relative;
}

.ybk-about-img-main {
    border-radius: var(--ybk-radius);
    overflow: hidden;
    box-shadow: var(--ybk-shadow-lg);
}

.ybk-about-img-sub {
    position: absolute;
    bottom: -30px;
    right: -30px;
    width: 60%;
    border-radius: var(--ybk-radius);
    overflow: hidden;
    box-shadow: var(--ybk-shadow);
    border: 5px solid var(--ybk-white);
}

.ybk-about-experience {
    position: absolute;
    top: 30px;
    left: -30px;
    background: var(--ybk-gradient);
    color: var(--ybk-white);
    padding: 20px 30px;
    border-radius: var(--ybk-radius);
    text-align: center;
    box-shadow: var(--ybk-shadow-lg);
}

.ybk-exp-num {
    display: block;
    font-size: 48px;
    font-weight: 800;
    line-height: 1;
}

.ybk-exp-text {
    font-size: 14px;
    font-weight: 600;
}

.ybk-about-subtitle {
    font-size: 24px;
    color: var(--ybk-primary);
    margin-bottom: 20px;
}

.ybk-about-text {
    color: var(--ybk-gray);
    margin-bottom: 20px;
    line-height: 1.8;
}

.ybk-about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin: 30px 0;
}

.ybk-about-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
}

.ybk-about-item i {
    color: var(--ybk-primary);
    font-size: 20px;
}

.ybk-about-actions {
    display: flex;
    gap: 15px;
    margin-top: 30px;
}

/* ===================================
   城市站点区块
   =================================== */
.ybk-city-map {
    background: var(--ybk-white);
    border-radius: var(--ybk-radius);
    padding: 40px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
}

.ybk-city-current {
    text-align: center;
    margin-bottom: 30px;
}

.ybk-current-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--ybk-gradient);
    color: var(--ybk-white);
    padding: 12px 30px;
    border-radius: 30px;
    font-size: 18px;
    font-weight: 600;
}

.ybk-city-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 15px;
}

.ybk-city-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background: #f8f9fa;
    border-radius: var(--ybk-radius-sm);
    color: var(--ybk-dark);
    font-weight: 500;
    transition: var(--ybk-transition);
    border: 2px solid transparent;
}

.ybk-city-item:hover,
.ybk-city-item.active {
    background: var(--ybk-primary);
    color: var(--ybk-white);
    transform: translateY(-3px);
    box-shadow: var(--ybk-shadow);
}

.ybk-city-status {
    font-size: 12px;
    opacity: 0.8;
}

.ybk-city-note {
    text-align: center;
    margin-top: 30px;
    padding: 15px;
    background: rgba(255, 87, 34, 0.05);
    border-radius: var(--ybk-radius-sm);
    color: var(--ybk-gray);
}

.ybk-city-note i {
    color: var(--ybk-primary);
    margin-right: 8px;
}

/* ===================================
   资讯区块
   =================================== */
.ybk-news-card {
    background: var(--ybk-white);
    border-radius: var(--ybk-radius);
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    margin-bottom: 30px;
    transition: var(--ybk-transition);
}

.ybk-news-card:hover {
    box-shadow: var(--ybk-shadow-lg);
}

.ybk-news-horizontal {
    display: flex;
    flex-direction: row;
}

.ybk-news-img {
    position: relative;
    width: 300px;
    min-height: 200px;
}

.ybk-news-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.ybk-news-date {
    position: absolute;
    top: 20px;
    left: 20px;
    background: var(--ybk-primary);
    color: var(--ybk-white);
    padding: 10px 15px;
    border-radius: var(--ybk-radius-sm);
    text-align: center;
}

.ybk-date-day {
    display: block;
    font-size: 24px;
    font-weight: 700;
    line-height: 1;
}

.ybk-date-month {
    font-size: 12px;
}

.ybk-news-body {
    padding: 30px;
    flex: 1;
}

.ybk-news-meta {
    display: flex;
    gap: 20px;
    margin-bottom: 15px;
    font-size: 14px;
    color: var(--ybk-gray);
}

.ybk-news-meta i {
    color: var(--ybk-primary);
    margin-right: 5px;
}

.ybk-news-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 15px;
}

.ybk-news-title a {
    color: var(--ybk-dark);
}

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

.ybk-news-desc {
    color: var(--ybk-gray);
    font-size: 14px;
    line-height: 1.8;
    margin-bottom: 20px;
}

.ybk-news-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--ybk-primary);
    font-weight: 600;
    font-size: 14px;
}

/* 侧边栏 */
.ybk-sidebar-widget {
    background: var(--ybk-white);
    border-radius: var(--ybk-radius);
    padding: 30px;
    margin-bottom: 30px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
}

.ybk-widget-title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--ybk-primary);
    display: flex;
    align-items: center;
    gap: 10px;
}

.ybk-widget-title i {
    color: var(--ybk-primary);
}

.ybk-widget-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.ybk-widget-list li {
    padding: 12px 0;
    border-bottom: 1px solid #eee;
}

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

.ybk-widget-list li a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    color: var(--ybk-dark);
}

.ybk-widget-list li a:hover {
    color: var(--ybk-primary);
    padding-left: 10px;
}

.ybk-list-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    background: var(--ybk-primary);
    color: var(--ybk-white);
    border-radius: 4px;
    font-size: 12px;
    font-weight: 700;
    margin-right: 10px;
}

.ybk-tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.ybk-tag {
    display: inline-block;
    padding: 6px 14px;
    background: #f0f0f0;
    border-radius: 20px;
    font-size: 13px;
    color: var(--ybk-gray);
    transition: var(--ybk-transition);
}

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

/* ===================================
   客户评价区块
   =================================== */
.ybk-testimonial-card {
    background: var(--ybk-white);
    border-radius: var(--ybk-radius);
    padding: 30px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    height: 100%;
    position: relative;
}

.ybk-testimonial-rating {
    color: var(--ybk-accent);
    margin-bottom: 20px;
}

.ybk-testimonial-text {
    font-size: 15px;
    line-height: 1.8;
    color: var(--ybk-gray);
    margin-bottom: 20px;
    font-style: italic;
}

.ybk-testimonial-author {
    display: flex;
    align-items: center;
    gap: 15px;
}

.ybk-author-avatar {
    width: 50px;
    height: 50px;
    background: var(--ybk-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--ybk-white);
    font-size: 20px;
    font-weight: 700;
}

.ybk-author-info {
    display: flex;
    flex-direction: column;
}

.ybk-author-name {
    font-weight: 700;
    color: var(--ybk-dark);
}

.ybk-author-location {
    font-size: 13px;
    color: var(--ybk-gray);
}

.ybk-testimonial-controls {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-top: 30px;
}

.ybk-testimonial-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: 2px solid var(--ybk-primary);
    background: transparent;
    color: var(--ybk-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--ybk-transition);
}

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

/* ===================================
   FAQ区块
   =================================== */
.ybk-faq-item {
    background: var(--ybk-white);
    border-radius: var(--ybk-radius-sm);
    margin-bottom: 15px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.ybk-faq-header {
    padding: 20px 25px;
    display: flex;
    align-items: center;
    gap: 15px;
    cursor: pointer;
    background: var(--ybk-white);
    border: none;
    width: 100%;
    text-align: left;
}

.ybk-faq-icon {
    width: 30px;
    height: 30px;
    background: var(--ybk-primary);
    color: var(--ybk-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 14px;
    flex-shrink: 0;
}

.ybk-faq-question {
    flex: 1;
    font-weight: 600;
    color: var(--ybk-dark);
}

.ybk-faq-arrow {
    color: var(--ybk-primary);
    transition: var(--ybk-transition);
}

.ybk-faq-item .collapse.show + .ybk-faq-header .ybk-faq-arrow,
.ybk-faq-header[aria-expanded="true"] .ybk-faq-arrow {
    transform: rotate(180deg);
}

.ybk-faq-body {
    padding: 0 25px 25px 70px;
    display: flex;
    gap: 15px;
}

.ybk-faq-answer-icon {
    width: 30px;
    height: 30px;
    background: var(--ybk-secondary);
    color: var(--ybk-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 14px;
    flex-shrink: 0;
}

.ybk-faq-body p {
    color: var(--ybk-gray);
    line-height: 1.8;
    margin: 0;
}

/* ===================================
   CTA区块
   =================================== */
.ybk-cta-section {
    background: var(--ybk-gradient);
    padding: 80px 0;
}

.ybk-cta-box {
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(10px);
    border-radius: var(--ybk-radius);
    padding: 50px;
    border: 1px solid rgba(255,255,255,0.2);
}

.ybk-cta-title {
    color: var(--ybk-white);
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 15px;
}

.ybk-cta-subtitle {
    color: rgba(255,255,255,0.9);
    font-size: 16px;
    margin-bottom: 20px;
}

.ybk-cta-features {
    display: flex;
    gap: 30px;
}

.ybk-cta-features span {
    color: var(--ybk-white);
    display: flex;
    align-items: center;
    gap: 8px;
}

.ybk-cta-features i {
    color: var(--ybk-accent);
}

.ybk-btn-outline-white {
    background: transparent;
    color: var(--ybk-white);
    border: 2px solid var(--ybk-white);
    padding: 14px 32px;
    font-weight: 600;
}

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

/* ===================================
   浮动窗口
   =================================== */
.ybk-float-widget {
    position: fixed;
    bottom: 100px;
    right: 20px;
    width: 320px;
    background: var(--ybk-white);
    border-radius: var(--ybk-radius);
    box-shadow: var(--ybk-shadow-lg);
    z-index: 1040;
    display: none;
}

.ybk-float-header {
    background: var(--ybk-gradient);
    color: var(--ybk-white);
    padding: 15px 20px;
    border-radius: var(--ybk-radius) var(--ybk-radius) 0 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.ybk-float-header i {
    font-size: 20px;
}

.ybk-float-close {
    background: none;
    border: none;
    color: var(--ybk-white);
    font-size: 20px;
    cursor: pointer;
}

.ybk-float-body {
    padding: 20px;
}

.ybk-float-form .form-control {
    border-radius: var(--ybk-radius-sm);
    border: 1px solid #ddd;
    padding: 12px;
}

.ybk-float-form .form-control:focus {
    border-color: var(--ybk-primary);
    box-shadow: 0 0 0 3px rgba(255, 87, 34, 0.1);
}

/* 浮动按钮 */
.ybk-float-actions {
    position: fixed;
    right: 20px;
    bottom: 100px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    z-index: 1030;
}

.ybk-float-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: var(--ybk-white);
    box-shadow: var(--ybk-shadow);
    transition: var(--ybk-transition);
}

.ybk-float-btn:hover {
    transform: scale(1.1);
}

.ybk-float-phone {
    background: var(--ybk-primary);
    animation: pulse 2s infinite;
}

.ybk-float-msg {
    background: var(--ybk-secondary);
}

.ybk-float-top {
    background: var(--ybk-dark);
    opacity: 0;
    visibility: hidden;
}

.ybk-float-top.show {
    opacity: 1;
    visibility: visible;
}

/* ===================================
   页面头部
   =================================== */
.ybk-page-header {
    background: var(--ybk-dark);
    padding: 100px 0 80px;
    position: relative;
    overflow: hidden;
}

.ybk-page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--ybk-gradient);
    opacity: 0.9;
}

.ybk-page-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" viewBox="0 0 100 100" xmlns="http://www.w3.org/2000/svg"><path d="M11 18c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm48 25c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm-43-7c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm63 31c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM34 90c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm56-76c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM12 86c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm28-65c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm23-11c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-6 60c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm29 22c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zM32 63c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm57-13c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-9-21c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM60 91c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM35 41c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM12 60c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2z" fill="%23ffffff" fill-opacity="0.05"/></svg>');
}

.ybk-page-title {
    color: var(--ybk-white);
    font-size: 42px;
    font-weight: 800;
    margin-bottom: 20px;
    position: relative;
    z-index: 1;
}

.ybk-page-title.ybk-title-lg {
    font-size: 32px;
}

.ybk-breadcrumb {
    background: transparent;
    position: relative;
    z-index: 1;
}

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

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

.ybk-page-desc {
    color: rgba(255,255,255,0.9);
    font-size: 16px;
    position: relative;
    z-index: 1;
}

.ybk-article-meta {
    display: flex;
    justify-content: center;
    gap: 30px;
    color: rgba(255,255,255,0.9);
    position: relative;
    z-index: 1;
    flex-wrap: wrap;
}

.ybk-meta-item i {
    color: var(--ybk-accent);
    margin-right: 5px;
}

/* ===================================
   文章详情页
   =================================== */
.ybk-article {
    background: var(--ybk-white);
    border-radius: var(--ybk-radius);
    padding: 40px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
}

.ybk-article-image {
    margin: -40px -40px 30px;
    border-radius: var(--ybk-radius) var(--ybk-radius) 0 0;
    overflow: hidden;
}

.ybk-article-summary {
    background: #FFF3E0;
    border-left: 4px solid var(--ybk-primary);
    padding: 20px 25px;
    margin-bottom: 30px;
    border-radius: 0 var(--ybk-radius-sm) var(--ybk-radius-sm) 0;
    position: relative;
}

.ybk-article-summary i {
    position: absolute;
    top: 15px;
    left: 15px;
    font-size: 24px;
    color: var(--ybk-primary);
    opacity: 0.3;
}

.ybk-article-summary p {
    margin: 0;
    color: var(--ybk-dark);
    font-weight: 500;
    padding-left: 30px;
}

.ybk-article-body {
    font-size: 16px;
    line-height: 1.8;
    color: var(--ybk-dark);
}

.ybk-article-body p {
    margin-bottom: 20px;
}

.ybk-article-body h2,
.ybk-article-body h3,
.ybk-article-body h4 {
    margin: 30px 0 15px;
    color: var(--ybk-dark);
    font-weight: 700;
}

.ybk-article-body img {
    max-width: 100%;
    height: auto;
    border-radius: var(--ybk-radius-sm);
    margin: 20px 0;
}

.ybk-article-tags {
    margin-top: 40px;
    padding-top: 30px;
    border-top: 1px solid #eee;
}

.ybk-tags-label {
    font-weight: 600;
    margin-right: 10px;
}

.ybk-tag-link {
    display: inline-block;
    padding: 5px 15px;
    background: #f0f0f0;
    border-radius: 20px;
    font-size: 13px;
    margin: 5px;
    color: var(--ybk-gray);
}

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

.ybk-article-share {
    margin-top: 20px;
    display: flex;
    align-items: center;
    gap: 15px;
}

.ybk-share-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--ybk-white);
    font-size: 18px;
    transition: var(--ybk-transition);
}

.ybk-share-weixin { background: #07C160; }
.ybk-share-weibo { background: #E6162D; }
.ybk-share-qq { background: #12B7F5; }
.ybk-share-link { background: var(--ybk-gray); }

.ybk-share-btn:hover {
    transform: translateY(-3px);
    color: var(--ybk-white);
}

.ybk-article-nav {
    margin-top: 40px;
    padding-top: 30px;
    border-top: 1px solid #eee;
}

.ybk-nav-prev,
.ybk-nav-next {
    display: flex;
    flex-direction: column;
    color: var(--ybk-gray);
}

.ybk-nav-label {
    font-size: 13px;
    margin-bottom: 5px;
}

.ybk-nav-title {
    font-weight: 600;
    color: var(--ybk-dark);
    font-size: 15px;
}

.ybk-nav-prev:hover .ybk-nav-title,
.ybk-nav-next:hover .ybk-nav-title {
    color: var(--ybk-primary);
}

.ybk-related-articles {
    margin-top: 50px;
}

.ybk-related-title {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 30px;
    display: flex;
    align-items: center;
    gap: 10px;
}

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

.ybk-related-item {
    background: var(--ybk-white);
    border-radius: var(--ybk-radius);
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
}

.ybk-related-img {
    display: block;
    height: 180px;
    overflow: hidden;
}

.ybk-related-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--ybk-transition);
}

.ybk-related-item:hover .ybk-related-img img {
    transform: scale(1.1);
}

.ybk-related-item-title {
    padding: 20px;
    font-size: 16px;
    font-weight: 600;
    margin: 0;
}

.ybk-related-item-title a {
    color: var(--ybk-dark);
}

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

/* ===================================
   资讯列表页
   =================================== */
.ybk-news-filter {
    background: var(--ybk-white);
    padding: 20px 30px;
    border-radius: var(--ybk-radius);
    margin-bottom: 30px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.ybk-filter-info strong {
    color: var(--ybk-primary);
    font-size: 18px;
}

.ybk-filter-sort a {
    margin-left: 20px;
    color: var(--ybk-gray);
    font-size: 14px;
}

.ybk-filter-sort a.active,
.ybk-filter-sort a:hover {
    color: var(--ybk-primary);
    font-weight: 600;
}

.ybk-news-item {
    background: var(--ybk-white);
    border-radius: var(--ybk-radius);
    overflow: hidden;
    margin-bottom: 30px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    transition: var(--ybk-transition);
}

.ybk-news-item:hover {
    box-shadow: var(--ybk-shadow-lg);
}

.ybk-news-thumb {
    position: relative;
    height: 100%;
    min-height: 200px;
}

.ybk-news-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.ybk-news-category {
    position: absolute;
    top: 20px;
    left: 20px;
    background: var(--ybk-primary);
    color: var(--ybk-white);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
}

.ybk-news-content {
    padding: 30px;
}

.ybk-news-excerpt {
    color: var(--ybk-gray);
    line-height: 1.8;
    margin: 15px 0;
}

.ybk-news-tags {
    margin-top: 15px;
}

.ybk-tag-item {
    display: inline-block;
    padding: 4px 12px;
    background: #f0f0f0;
    border-radius: 15px;
    font-size: 12px;
    color: var(--ybk-gray);
    margin-right: 8px;
}

/* ===================================
   关于我们页
   =================================== */
.ybk-about-gallery {
    position: relative;
}

.ybk-gallery-main {
    border-radius: var(--ybk-radius);
    overflow: hidden;
    box-shadow: var(--ybk-shadow-lg);
}

.ybk-gallery-sub {
    position: absolute;
    bottom: -40px;
    right: 0;
    display: flex;
    gap: 15px;
    width: 70%;
}

.ybk-gallery-sub img {
    width: calc(50% - 7.5px);
    border: 5px solid var(--ybk-white);
    border-radius: var(--ybk-radius);
    box-shadow: var(--ybk-shadow);
}

.ybk-gallery-badge {
    position: absolute;
    top: 30px;
    left: -30px;
    background: var(--ybk-gradient);
    color: var(--ybk-white);
    padding: 25px 35px;
    border-radius: var(--ybk-radius);
    text-align: center;
    box-shadow: var(--ybk-shadow-lg);
}

.ybk-about-highlights {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    margin-top: 30px;
}

.ybk-highlight-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    padding: 20px;
    background: var(--ybk-white);
    border-radius: var(--ybk-radius-sm);
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.ybk-highlight-item i {
    font-size: 32px;
    color: var(--ybk-primary);
}

.ybk-highlight-item h4 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 5px;
}

.ybk-highlight-item p {
    font-size: 14px;
    color: var(--ybk-gray);
    margin: 0;
}

/* 发展历程 */
.ybk-timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.ybk-timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 100%;
    background: var(--ybk-primary);
}

.ybk-timeline-item {
    display: flex;
    justify-content: flex-end;
    padding-right: 50%;
    position: relative;
    margin-bottom: 50px;
}

.ybk-timeline-item:nth-child(even) {
    justify-content: flex-start;
    padding-right: 0;
    padding-left: 50%;
}

.ybk-timeline-year {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 80px;
    background: var(--ybk-gradient);
    color: var(--ybk-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 800;
    box-shadow: var(--ybk-shadow);
    z-index: 1;
}

.ybk-timeline-content {
    background: var(--ybk-white);
    padding: 25px 30px;
    border-radius: var(--ybk-radius);
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    width: 80%;
    position: relative;
}

.ybk-timeline-content::before {
    content: '';
    position: absolute;
    top: 30px;
    width: 0;
    height: 0;
    border: 10px solid transparent;
}

.ybk-timeline-item:nth-child(odd) .ybk-timeline-content::before {
    right: -20px;
    border-left-color: var(--ybk-white);
}

.ybk-timeline-item:nth-child(even) .ybk-timeline-content::before {
    left: -20px;
    border-right-color: var(--ybk-white);
}

.ybk-timeline-content h4 {
    color: var(--ybk-primary);
    font-weight: 700;
    margin-bottom: 10px;
}

.ybk-timeline-content p {
    color: var(--ybk-gray);
    margin: 0;
}

/* 服务承诺 */
.ybk-promise-grid {
    margin-top: 50px;
}

.ybk-promise-card {
    background: var(--ybk-white);
    padding: 40px 30px;
    border-radius: var(--ybk-radius);
    text-align: center;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    height: 100%;
    transition: var(--ybk-transition);
    border-bottom: 3px solid transparent;
}

.ybk-promise-card:hover {
    transform: translateY(-5px);
    border-bottom-color: var(--ybk-primary);
}

.ybk-promise-icon {
    width: 70px;
    height: 70px;
    background: rgba(255, 87, 34, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 32px;
    color: var(--ybk-primary);
}

.ybk-promise-card h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 15px;
}

.ybk-promise-card p {
    color: var(--ybk-gray);
    font-size: 14px;
    margin: 0;
}

/* ===================================
   联系我们页
   =================================== */
.ybk-contact-info {
    background: var(--ybk-white);
    padding: 40px;
    border-radius: var(--ybk-radius);
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    height: 100%;
}

.ybk-contact-desc {
    color: var(--ybk-gray);
    margin-bottom: 30px;
    line-height: 1.8;
}

.ybk-contact-list {
    margin-bottom: 30px;
}

.ybk-contact-item {
    display: flex;
    gap: 20px;
    margin-bottom: 25px;
    padding-bottom: 25px;
    border-bottom: 1px solid #eee;
}

.ybk-contact-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.ybk-contact-icon {
    width: 60px;
    height: 60px;
    background: rgba(255, 87, 34, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--ybk-primary);
    flex-shrink: 0;
}

.ybk-contact-content h4 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 5px;
}

.ybk-contact-content a {
    display: block;
    font-size: 18px;
    font-weight: 600;
    color: var(--ybk-primary);
    margin-bottom: 5px;
}

.ybk-contact-content span {
    display: block;
    font-size: 13px;
    color: var(--ybk-gray);
}

.ybk-contact-qr {
    text-align: center;
    padding: 20px;
    background: #f8f9fa;
    border-radius: var(--ybk-radius-sm);
}

.ybk-qr-img {
    width: 150px;
    height: 150px;
    margin-bottom: 10px;
}

.ybk-contact-qr span {
    display: block;
    font-size: 14px;
    color: var(--ybk-gray);
}

/* 联系表单 */
.ybk-contact-form-wrapper {
    background: var(--ybk-white);
    border-radius: var(--ybk-radius);
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    overflow: hidden;
}

.ybk-form-header {
    background: var(--ybk-gradient);
    color: var(--ybk-white);
    padding: 30px;
    text-align: center;
}

.ybk-form-header h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 5px;
}

.ybk-form-header p {
    margin: 0;
    opacity: 0.9;
}

.ybk-contact-form {
    padding: 40px;
}

.ybk-form-label {
    font-weight: 600;
    color: var(--ybk-dark);
    margin-bottom: 8px;
    display: block;
}

.ybk-input-group {
    position: relative;
}

.ybk-input-icon {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--ybk-gray);
    font-size: 18px;
}

.ybk-input-icon.ybk-icon-textarea {
    top: 20px;
    transform: none;
}

.ybk-input,
.ybk-textarea {
    padding-left: 45px !important;
    border-radius: var(--ybk-radius-sm) !important;
    border: 1px solid #ddd !important;
    padding: 12px 15px;
}

.ybk-input:focus,
.ybk-textarea:focus {
    border-color: var(--ybk-primary) !important;
    box-shadow: 0 0 0 3px rgba(255, 87, 34, 0.1) !important;
}

.ybk-form-tips {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 15px;
    background: #FFF3E0;
    border-radius: var(--ybk-radius-sm);
    color: var(--ybk-primary);
    font-size: 14px;
}

.ybk-btn-submit {
    width: 100%;
    padding: 15px !important;
    font-size: 16px;
}

.ybk-form-footer {
    padding: 20px 40px;
    background: #f8f9fa;
    border-top: 1px solid #eee;
}

.ybk-form-features {
    display: flex;
    justify-content: space-around;
    font-size: 13px;
    color: var(--ybk-gray);
}

.ybk-form-features i {
    color: var(--ybk-primary);
    margin-right: 5px;
}

/* 服务区域 */
.ybk-service-areas {
    margin-top: 40px;
}

.ybk-area-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 15px 20px;
    background: var(--ybk-white);
    border-radius: var(--ybk-radius-sm);
    margin-bottom: 15px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    transition: var(--ybk-transition);
}

.ybk-area-item:hover {
    transform: translateX(5px);
    box-shadow: var(--ybk-shadow);
}

.ybk-area-item i {
    color: var(--ybk-primary);
}

/* ===================================
   页脚
   =================================== */
.ybk-footer {
    background: var(--ybk-dark);
    color: var(--ybk-white);
    padding-top: 80px;
    position: relative;
}

.ybk-footer-wave {
    position: absolute;
    top: -1px;
    left: 0;
    right: 0;
    line-height: 0;
}

.ybk-footer-main {
    padding-bottom: 60px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.ybk-footer-logo {
    height: 60px;
    margin-bottom: 20px;
}

.ybk-footer-title {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 15px;
}

.ybk-footer-desc {
    color: rgba(255,255,255,0.7);
    line-height: 1.8;
    margin-bottom: 20px;
}

.ybk-footer-contact {
    margin-top: 20px;
}

.ybk-footer-item {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
    color: rgba(255,255,255,0.8);
}

.ybk-footer-item i {
    color: var(--ybk-primary);
    font-size: 18px;
}

.ybk-footer-heading {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 25px;
    color: var(--ybk-white);
    position: relative;
    padding-bottom: 15px;
}

.ybk-footer-heading::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background: var(--ybk-primary);
    border-radius: 2px;
}

.ybk-footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.ybk-footer-links li {
    margin-bottom: 12px;
}

.ybk-footer-links a {
    color: rgba(255,255,255,0.7);
    display: flex;
    align-items: center;
    gap: 8px;
    transition: var(--ybk-transition);
}

.ybk-footer-links a:hover {
    color: var(--ybk-primary);
    padding-left: 5px;
}

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

.ybk-footer-cities {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.ybk-city-tag {
    display: inline-block;
    padding: 6px 14px;
    background: rgba(255,255,255,0.1);
    border-radius: 20px;
    font-size: 13px;
    color: rgba(255,255,255,0.8);
    transition: var(--ybk-transition);
}

.ybk-city-tag:hover {
    background: var(--ybk-primary);
    color: var(--ybk-white);
}

.ybk-footer-qr {
    text-align: center;
}

.ybk-footer-qr img {
    width: 120px;
    height: 120px;
    border-radius: var(--ybk-radius-sm);
    margin-bottom: 10px;
}

.ybk-footer-qr span {
    display: block;
    font-size: 13px;
    color: rgba(255,255,255,0.7);
}

.ybk-friend-links {
    padding: 30px 0;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    font-size: 14px;
}

.ybk-friend-title {
    color: rgba(255,255,255,0.9);
    font-weight: 600;
    margin-right: 10px;
}

.ybk-friend-links a {
    color: rgba(255,255,255,0.6);
    margin-right: 15px;
}

.ybk-friend-links a:hover {
    color: var(--ybk-primary);
}

.ybk-copyright {
    padding: 30px 0;
    font-size: 14px;
    color: rgba(255,255,255,0.6);
}

.ybk-copyright p {
    margin: 5px 0;
}

/* 返回顶部 */
.ybk-backtop {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--ybk-primary);
    color: var(--ybk-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    opacity: 0;
    visibility: hidden;
    transition: var(--ybk-transition);
    z-index: 1030;
    box-shadow: var(--ybk-shadow);
}

.ybk-backtop.show {
    opacity: 1;
    visibility: visible;
}

.ybk-backtop:hover {
    background: var(--ybk-primary-dark);
    color: var(--ybk-white);
    transform: translateY(-5px);
}

/* ===================================
   动画效果
   =================================== */
@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

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

.animate-fade-in-up {
    animation: fadeInUp 0.8s ease forwards;
    opacity: 0;
}

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

.ybk-icon-pulse { animation: pulse 2s infinite; }
.ybk-icon-rotate:hover { animation: rotate 1s ease; }
.ybk-icon-bounce:hover { animation: bounce 1s ease; }
.ybk-icon-shake:hover { animation: shake 0.5s ease; }

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

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

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

/* ===================================
   响应式设计
   =================================== */
@media (max-width: 1199.98px) {
    .ybk-hero-title { font-size: 42px; }
    .ybk-section-title { font-size: 32px; }
}

@media (max-width: 991.98px) {
    .ybk-hero-slide { height: 500px; }
    .ybk-hero-title { font-size: 36px; }
    .ybk-hero-subtitle { font-size: 18px; }
    .ybk-hero-stats { gap: 30px; }
    
    .ybk-about-img-sub { position: relative; bottom: 0; right: 0; width: 100%; margin-top: 20px; }
    .ybk-about-experience { left: 20px; top: 20px; }
    
    .ybk-timeline::before { left: 30px; }
    .ybk-timeline-item,
    .ybk-timeline-item:nth-child(even) {
        padding-left: 80px;
        padding-right: 0;
        justify-content: flex-start;
    }
    .ybk-timeline-year { left: 0; transform: none; }
    .ybk-timeline-content { width: 100%; }
    .ybk-timeline-item:nth-child(odd) .ybk-timeline-content::before,
    .ybk-timeline-item:nth-child(even) .ybk-timeline-content::before {
        left: -20px;
        right: auto;
        border-right-color: var(--ybk-white);
        border-left-color: transparent;
    }
    
    body { padding-bottom: 70px; }
    .ybk-float-actions { bottom: 80px; }
}

@media (max-width: 767.98px) {
    .ybk-section { padding: 60px 0; }
    .ybk-hero-slide { height: auto; min-height: 600px; padding: 60px 0; }
    .ybk-hero-title { font-size: 28px; }
    .ybk-hero-actions .btn { display: block; margin: 10px 0; width: 100%; }
    .ybk-hero-stats { flex-direction: column; gap: 20px; }
    
    .ybk-news-horizontal { flex-direction: column; }
    .ybk-news-img { width: 100%; }
    
    .ybk-stats-bar .col-6 { border-right: none; border-bottom: 1px solid #eee; padding: 20px 0; }
    .ybk-stats-bar .col-6:nth-last-child(-n+2) { border-bottom: none; }
    
    .ybk-cta-box { padding: 30px; }
    .ybk-cta-title { font-size: 24px; }
    .ybk-cta-features { flex-direction: column; gap: 10px; }
    
    .ybk-page-title { font-size: 32px; }
    .ybk-article { padding: 25px; }
    .ybk-article-image { margin: -25px -25px 25px; }
    
    .ybk-contact-form { padding: 25px; }
    .ybk-form-footer { padding: 20px 25px; }
    .ybk-form-features { flex-direction: column; gap: 10px; text-align: center; }
}

@media (max-width: 575.98px) {
    .ybk-brand-text { display: none; }
    .ybk-top-bar { font-size: 12px; }
    .ybk-section-title { font-size: 24px; }
    .ybk-city-grid { grid-template-columns: repeat(2, 1fr); }
    .ybk-about-features { grid-template-columns: 1fr; }
    .ybk-article-meta { flex-direction: column; gap: 10px; }
}